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i27-20020a056e021d1b00b0030d97cf0858mr2378148ila.233.1673518841056; Thu, 12 Jan 2023 02:20:41 -0800 (PST) Date: Thu, 12 Jan 2023 02:20:41 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000bd60905f20e785a@google.com> Subject: [syzbot] WARNING in io_cqring_event_overflow From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 358a161a6a9e Merge branch 'for-next/fixes' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=14247bbe480000 kernel config: https://syzkaller.appspot.com/x/.config?x=2573056c6a11f00d dashboard link: https://syzkaller.appspot.com/bug?extid=6805087452d72929404e compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1045e181480000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13769f1c480000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/99d14e0f4c19/disk-358a161a.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/23275b612976/vmlinux-358a161a.xz kernel image: https://storage.googleapis.com/syzbot-assets/ed79195fac61/Image-358a161a.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+6805087452d72929404e@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 0 PID: 28 Comm: kworker/u4:1 Not tainted 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c3b3e578 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c4d2c000 x18: 00000000000000c0 x17: ffff80000df48158 x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 620806 hardirqs last enabled at (620805): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (620805): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (620806): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (620784): [] neigh_managed_work+0xf8/0x118 net/core/neighbour.c:1626 softirqs last disabled at (620780): [] neigh_managed_work+0x34/0x118 net/core/neighbour.c:1621 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 1 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c4f2f678 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c4d2c000 x18: 00000000000003de x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 622216 hardirqs last enabled at (622215): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (622215): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (622216): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (621028): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (621028): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (621026): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (621026): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 1 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c4f2fb78 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c4d2f000 x18: 000000000000031e x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 623616 hardirqs last enabled at (623615): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (623615): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (623616): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (622446): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (622446): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (622444): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (622444): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 1 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c4404378 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c93ee000 x18: 00000000000002ce x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 624992 hardirqs last enabled at (624991): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (624991): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (624992): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (623820): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (623820): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (623818): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (623818): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 0 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c995f778 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c93ef000 x18: 00000000000003d1 x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 626290 hardirqs last enabled at (626289): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (626289): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (626290): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (625116): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (625116): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (625114): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (625114): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 0 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c995f878 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c93ef000 x18: 000000000000011c x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 627616 hardirqs last enabled at (627615): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (627615): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (627616): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (626440): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (626440): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (626438): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (626438): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 0 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c4f2f278 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c4d2f000 x18: 00000000000000c7 x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 629014 hardirqs last enabled at (629013): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (629013): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (629014): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (627834): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (627834): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (627832): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (627832): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 0 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c995fb78 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c93ee000 x18: 00000000000003c2 x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 630328 hardirqs last enabled at (630327): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (630327): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (630328): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (629918): [] _stext+0x2e4/0x37c softirqs last disabled at (629893): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 0 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c0d47d78 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c93ee000 x18: 00000000000003fd x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 631624 hardirqs last enabled at (631623): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (631623): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (631624): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (630450): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (630450): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (630448): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (630448): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 0 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c4f2f978 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c93ee000 x18: 0000000000000106 x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 633024 hardirqs last enabled at (633023): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (633023): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (633024): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (631846): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (631846): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (631844): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (631844): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 0 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c4404978 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c93ec000 x18: 0000000000000061 x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 634358 hardirqs last enabled at (634357): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (634357): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (634358): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (633180): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (633180): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (633178): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (633178): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 0 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c9688978 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c93eb000 x18: 0000000000000398 x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 635652 hardirqs last enabled at (635651): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (635651): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (635652): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (634476): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (634476): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (634474): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (634474): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 0 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c995f678 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c4d28000 x18: 000000000000012e x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 636950 hardirqs last enabled at (636949): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (636949): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (636950): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (635774): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (635774): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (635772): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (635772): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 0 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c4f2f178 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c4d28000 x18: ffff80001912b5f0 x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 638316 hardirqs last enabled at (638315): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (638315): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (638316): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (637136): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (637136): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (637134): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (637134): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 1 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c995fc78 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c93ef000 x18: 000000000000017e x17: 0000000000000000 x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 639638 hardirqs last enabled at (639637): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (639637): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (639638): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (638456): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (638456): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (638454): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (638454): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 1 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c995f878 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c4d2c000 x18: 0000000000000380 x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 641034 hardirqs last enabled at (641033): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (641033): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (641034): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (639852): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (639852): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (639850): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (639850): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 1 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c4404978 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c93ef000 x18: 0000000000000228 x17: ffff0001feff7268 x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 642368 hardirqs last enabled at (642367): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (642367): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (642368): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (641192): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (641192): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (641190): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (641190): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 1 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c4f2f978 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c93ef000 x18: ffff800014643720 x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 643668 hardirqs last enabled at (643667): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (643667): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (643668): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (642486): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (642486): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (642484): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (642484): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 1 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c649e878 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c4d28000 x18: 0000000000000065 x17: 000000000000b67e x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 644976 hardirqs last enabled at (644975): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (644975): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (644976): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (643798): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (643798): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (643796): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (643796): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 0 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c995f078 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c4d2a000 x18: 00000000000003c7 x17: 0000000000000000 x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 646330 hardirqs last enabled at (646329): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (646329): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (646330): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (645158): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (645158): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (645156): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (645156): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 1 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c4f2f278 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c4d2f000 x18: 00000000000002d7 x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 647682 hardirqs last enabled at (647681): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (647681): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (647682): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (646506): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (646506): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (646504): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (646504): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 1 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c995fc78 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c93ec000 x18: 00000000000003e1 x17: 0000000000000000 x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 649060 hardirqs last enabled at (649059): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (649059): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (649060): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (647884): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (647884): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (647882): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (647882): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 0 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c9688278 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c4d28000 x18: 0000000000000291 x17: 0000000000000000 x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 650446 hardirqs last enabled at (650445): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (650445): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (650446): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (649612): [] _stext+0x2e4/0x37c softirqs last disabled at (649587): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in: CPU: 1 PID: 28 Comm: kworker/u4:1 Tainted: G W 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events_unbound io_ring_exit_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 lr : io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 sp : ffff80000f7dbad0 x29: ffff80000f7dbad0 x28: ffff0000c995f678 x27: ffff80000d49b000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000c93ee000 x18: ffff80001912b5f0 x17: ffff80000c15d8bc x16: ffff80000dd86118 x15: ffff0000c0cf8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c0cf8000 x11: ff80800009594dec x10: 0000000000000000 x9 : ffff800009594dec x8 : ffff0000c0cf8000 x7 : ffff80000c109860 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 651724 hardirqs last enabled at (651723): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (651723): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (651724): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (650546): [] sock_orphan include/net/sock.h:2098 [inline] softirqs last enabled at (650546): [] unix_release_sock+0x15c/0x544 net/unix/af_unix.c:604 softirqs last disabled at (650544): [] sock_orphan include/net/sock.h:2094 [inline] softirqs last disabled at (650544): [] unix_release_sock+0x140/0x544 net/unix/af_unix.c:604 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 Modules linked in --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches