* Re: [syzbot] [net?] [virt?] [io-uring?] [kvm?] BUG: soft lockup in vsock_connect
2023-03-24 8:38 ` Stefano Garzarella
@ 2023-03-18 0:32 ` Bobby Eshleman
2023-03-26 19:20 ` Cong Wang
2023-03-27 9:07 ` Stefano Garzarella
0 siblings, 2 replies; 6+ messages in thread
From: Bobby Eshleman @ 2023-03-18 0:32 UTC (permalink / raw)
To: Stefano Garzarella
Cc: Bobby Eshleman, Bobby Eshleman, syzbot, axboe, davem, edumazet,
io-uring, kuba, kvm, linux-kernel, netdev, pabeni, stefanha,
syzkaller-bugs, virtualization, Krasnov Arseniy,
Krasnov Arseniy Vladimirovich
On Fri, Mar 24, 2023 at 09:38:38AM +0100, Stefano Garzarella wrote:
> Hi Bobby,
> FYI we have also this one, but it seems related to
> [email protected]
>
> Thanks,
> Stefano
>
Got it, I'll look into it.
Best,
Bobby
>
> On Fri, Mar 24, 2023 at 1:52 AM syzbot
> <[email protected]> wrote:
> >
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit: fe15c26ee26e Linux 6.3-rc1
> > 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=1577c97ec80000
> > kernel config: https://syzkaller.appspot.com/x/.config?x=7573cbcd881a88c9
> > dashboard link: https://syzkaller.appspot.com/bug?extid=0bc015ebddc291a97116
> > compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
> > userspace arch: arm64
> > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1077c996c80000
> > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17e38929c80000
> >
> > Downloadable assets:
> > disk image: https://storage.googleapis.com/syzbot-assets/89d41abd07bd/disk-fe15c26e.raw.xz
> > vmlinux: https://storage.googleapis.com/syzbot-assets/fa75f5030ade/vmlinux-fe15c26e.xz
> > kernel image: https://storage.googleapis.com/syzbot-assets/590d0f5903ee/Image-fe15c26e.gz.xz
> >
> > IMPORTANT: if you fix the issue, please add the following tag to the commit:
> > Reported-by: [email protected]
> >
> > watchdog: BUG: soft lockup - CPU#0 stuck for 27s! [syz-executor244:6747]
> > Modules linked in:
> > irq event stamp: 6033
> > hardirqs last enabled at (6032): [<ffff8000124604ac>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
> > hardirqs last enabled at (6032): [<ffff8000124604ac>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
> > hardirqs last disabled at (6033): [<ffff80001245e188>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
> > hardirqs last disabled at (6033): [<ffff80001245e188>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
> > softirqs last enabled at (616): [<ffff80001066ca80>] spin_unlock_bh include/linux/spinlock.h:395 [inline]
> > softirqs last enabled at (616): [<ffff80001066ca80>] lock_sock_nested+0xe8/0x138 net/core/sock.c:3480
> > softirqs last disabled at (618): [<ffff8000122dbcfc>] spin_lock_bh include/linux/spinlock.h:355 [inline]
> > softirqs last disabled at (618): [<ffff8000122dbcfc>] virtio_transport_purge_skbs+0x11c/0x500 net/vmw_vsock/virtio_transport_common.c:1372
> > CPU: 0 PID: 6747 Comm: syz-executor244 Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0
> > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
> > pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> > pc : __sanitizer_cov_trace_pc+0xc/0x8c kernel/kcov.c:203
> > lr : virtio_transport_purge_skbs+0x19c/0x500 net/vmw_vsock/virtio_transport_common.c:1374
> > sp : ffff80001e787890
> > x29: ffff80001e7879e0 x28: 1ffff00003cf0f2a x27: ffff80001a487a60
> > x26: ffff80001e787950 x25: ffff0000ce2d3b80 x24: ffff80001a487a78
> > x23: 1ffff00003490f4c x22: ffff80001a29c1a8 x21: dfff800000000000
> > x20: ffff80001a487a60 x19: ffff80001e787940 x18: 1fffe000368951b6
> > x17: ffff800015cdd000 x16: ffff8000085110b0 x15: 0000000000000000
> > x14: 1ffff00002b9c0b2 x13: dfff800000000000 x12: ffff700003cf0efc
> > x11: ff808000122dbee8 x10: 0000000000000000 x9 : ffff8000122dbee8
> > x8 : ffff0000ce511b40 x7 : ffff8000122dbcfc x6 : 0000000000000000
> > x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000832d758
> > x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
> > Call trace:
> > get_current arch/arm64/include/asm/current.h:19 [inline]
> > __sanitizer_cov_trace_pc+0xc/0x8c kernel/kcov.c:206
> > vsock_loopback_cancel_pkt+0x28/0x3c net/vmw_vsock/vsock_loopback.c:48
> > vsock_transport_cancel_pkt net/vmw_vsock/af_vsock.c:1284 [inline]
> > vsock_connect+0x6b8/0xaec net/vmw_vsock/af_vsock.c:1426
> > __sys_connect_file net/socket.c:2004 [inline]
> > __sys_connect+0x268/0x290 net/socket.c:2021
> > __do_sys_connect net/socket.c:2031 [inline]
> > __se_sys_connect net/socket.c:2028 [inline]
> > __arm64_sys_connect+0x7c/0x94 net/socket.c:2028
> > __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
> > invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
> > el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
> > do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
> > el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
> > el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
> > el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
> >
> >
> > ---
> > 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 [email protected].
> >
> > 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
> >
>
^ permalink raw reply [flat|nested] 6+ messages in thread
* [syzbot] [net?] [virt?] [io-uring?] [kvm?] BUG: soft lockup in vsock_connect
@ 2023-03-24 0:52 syzbot
2023-03-24 8:38 ` Stefano Garzarella
2023-03-24 15:33 ` Stefano Garzarella
0 siblings, 2 replies; 6+ messages in thread
From: syzbot @ 2023-03-24 0:52 UTC (permalink / raw)
To: axboe, davem, edumazet, io-uring, kuba, kvm, linux-kernel, netdev,
pabeni, sgarzare, stefanha, syzkaller-bugs, virtualization
Hello,
syzbot found the following issue on:
HEAD commit: fe15c26ee26e Linux 6.3-rc1
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=1577c97ec80000
kernel config: https://syzkaller.appspot.com/x/.config?x=7573cbcd881a88c9
dashboard link: https://syzkaller.appspot.com/bug?extid=0bc015ebddc291a97116
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1077c996c80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17e38929c80000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/89d41abd07bd/disk-fe15c26e.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/fa75f5030ade/vmlinux-fe15c26e.xz
kernel image: https://storage.googleapis.com/syzbot-assets/590d0f5903ee/Image-fe15c26e.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: [email protected]
watchdog: BUG: soft lockup - CPU#0 stuck for 27s! [syz-executor244:6747]
Modules linked in:
irq event stamp: 6033
hardirqs last enabled at (6032): [<ffff8000124604ac>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last enabled at (6032): [<ffff8000124604ac>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (6033): [<ffff80001245e188>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (6033): [<ffff80001245e188>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last enabled at (616): [<ffff80001066ca80>] spin_unlock_bh include/linux/spinlock.h:395 [inline]
softirqs last enabled at (616): [<ffff80001066ca80>] lock_sock_nested+0xe8/0x138 net/core/sock.c:3480
softirqs last disabled at (618): [<ffff8000122dbcfc>] spin_lock_bh include/linux/spinlock.h:355 [inline]
softirqs last disabled at (618): [<ffff8000122dbcfc>] virtio_transport_purge_skbs+0x11c/0x500 net/vmw_vsock/virtio_transport_common.c:1372
CPU: 0 PID: 6747 Comm: syz-executor244 Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __sanitizer_cov_trace_pc+0xc/0x8c kernel/kcov.c:203
lr : virtio_transport_purge_skbs+0x19c/0x500 net/vmw_vsock/virtio_transport_common.c:1374
sp : ffff80001e787890
x29: ffff80001e7879e0 x28: 1ffff00003cf0f2a x27: ffff80001a487a60
x26: ffff80001e787950 x25: ffff0000ce2d3b80 x24: ffff80001a487a78
x23: 1ffff00003490f4c x22: ffff80001a29c1a8 x21: dfff800000000000
x20: ffff80001a487a60 x19: ffff80001e787940 x18: 1fffe000368951b6
x17: ffff800015cdd000 x16: ffff8000085110b0 x15: 0000000000000000
x14: 1ffff00002b9c0b2 x13: dfff800000000000 x12: ffff700003cf0efc
x11: ff808000122dbee8 x10: 0000000000000000 x9 : ffff8000122dbee8
x8 : ffff0000ce511b40 x7 : ffff8000122dbcfc x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000832d758
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
get_current arch/arm64/include/asm/current.h:19 [inline]
__sanitizer_cov_trace_pc+0xc/0x8c kernel/kcov.c:206
vsock_loopback_cancel_pkt+0x28/0x3c net/vmw_vsock/vsock_loopback.c:48
vsock_transport_cancel_pkt net/vmw_vsock/af_vsock.c:1284 [inline]
vsock_connect+0x6b8/0xaec net/vmw_vsock/af_vsock.c:1426
__sys_connect_file net/socket.c:2004 [inline]
__sys_connect+0x268/0x290 net/socket.c:2021
__do_sys_connect net/socket.c:2031 [inline]
__se_sys_connect net/socket.c:2028 [inline]
__arm64_sys_connect+0x7c/0x94 net/socket.c:2028
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
---
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 [email protected].
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
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [net?] [virt?] [io-uring?] [kvm?] BUG: soft lockup in vsock_connect
2023-03-24 0:52 [syzbot] [net?] [virt?] [io-uring?] [kvm?] BUG: soft lockup in vsock_connect syzbot
@ 2023-03-24 8:38 ` Stefano Garzarella
2023-03-18 0:32 ` Bobby Eshleman
2023-03-24 15:33 ` Stefano Garzarella
1 sibling, 1 reply; 6+ messages in thread
From: Stefano Garzarella @ 2023-03-24 8:38 UTC (permalink / raw)
To: Bobby Eshleman, Bobby Eshleman
Cc: syzbot, axboe, davem, edumazet, io-uring, kuba, kvm, linux-kernel,
netdev, pabeni, stefanha, syzkaller-bugs, virtualization,
Krasnov Arseniy, Krasnov Arseniy Vladimirovich
Hi Bobby,
FYI we have also this one, but it seems related to
[email protected]
Thanks,
Stefano
On Fri, Mar 24, 2023 at 1:52 AM syzbot
<[email protected]> wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: fe15c26ee26e Linux 6.3-rc1
> 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=1577c97ec80000
> kernel config: https://syzkaller.appspot.com/x/.config?x=7573cbcd881a88c9
> dashboard link: https://syzkaller.appspot.com/bug?extid=0bc015ebddc291a97116
> compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
> userspace arch: arm64
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1077c996c80000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17e38929c80000
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/89d41abd07bd/disk-fe15c26e.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/fa75f5030ade/vmlinux-fe15c26e.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/590d0f5903ee/Image-fe15c26e.gz.xz
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: [email protected]
>
> watchdog: BUG: soft lockup - CPU#0 stuck for 27s! [syz-executor244:6747]
> Modules linked in:
> irq event stamp: 6033
> hardirqs last enabled at (6032): [<ffff8000124604ac>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
> hardirqs last enabled at (6032): [<ffff8000124604ac>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
> hardirqs last disabled at (6033): [<ffff80001245e188>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
> hardirqs last disabled at (6033): [<ffff80001245e188>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
> softirqs last enabled at (616): [<ffff80001066ca80>] spin_unlock_bh include/linux/spinlock.h:395 [inline]
> softirqs last enabled at (616): [<ffff80001066ca80>] lock_sock_nested+0xe8/0x138 net/core/sock.c:3480
> softirqs last disabled at (618): [<ffff8000122dbcfc>] spin_lock_bh include/linux/spinlock.h:355 [inline]
> softirqs last disabled at (618): [<ffff8000122dbcfc>] virtio_transport_purge_skbs+0x11c/0x500 net/vmw_vsock/virtio_transport_common.c:1372
> CPU: 0 PID: 6747 Comm: syz-executor244 Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
> pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> pc : __sanitizer_cov_trace_pc+0xc/0x8c kernel/kcov.c:203
> lr : virtio_transport_purge_skbs+0x19c/0x500 net/vmw_vsock/virtio_transport_common.c:1374
> sp : ffff80001e787890
> x29: ffff80001e7879e0 x28: 1ffff00003cf0f2a x27: ffff80001a487a60
> x26: ffff80001e787950 x25: ffff0000ce2d3b80 x24: ffff80001a487a78
> x23: 1ffff00003490f4c x22: ffff80001a29c1a8 x21: dfff800000000000
> x20: ffff80001a487a60 x19: ffff80001e787940 x18: 1fffe000368951b6
> x17: ffff800015cdd000 x16: ffff8000085110b0 x15: 0000000000000000
> x14: 1ffff00002b9c0b2 x13: dfff800000000000 x12: ffff700003cf0efc
> x11: ff808000122dbee8 x10: 0000000000000000 x9 : ffff8000122dbee8
> x8 : ffff0000ce511b40 x7 : ffff8000122dbcfc x6 : 0000000000000000
> x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000832d758
> x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
> Call trace:
> get_current arch/arm64/include/asm/current.h:19 [inline]
> __sanitizer_cov_trace_pc+0xc/0x8c kernel/kcov.c:206
> vsock_loopback_cancel_pkt+0x28/0x3c net/vmw_vsock/vsock_loopback.c:48
> vsock_transport_cancel_pkt net/vmw_vsock/af_vsock.c:1284 [inline]
> vsock_connect+0x6b8/0xaec net/vmw_vsock/af_vsock.c:1426
> __sys_connect_file net/socket.c:2004 [inline]
> __sys_connect+0x268/0x290 net/socket.c:2021
> __do_sys_connect net/socket.c:2031 [inline]
> __se_sys_connect net/socket.c:2028 [inline]
> __arm64_sys_connect+0x7c/0x94 net/socket.c:2028
> __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
> invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
> el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
> do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
> el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
> el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
> el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
>
>
> ---
> 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 [email protected].
>
> 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
>
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [net?] [virt?] [io-uring?] [kvm?] BUG: soft lockup in vsock_connect
2023-03-24 0:52 [syzbot] [net?] [virt?] [io-uring?] [kvm?] BUG: soft lockup in vsock_connect syzbot
2023-03-24 8:38 ` Stefano Garzarella
@ 2023-03-24 15:33 ` Stefano Garzarella
1 sibling, 0 replies; 6+ messages in thread
From: Stefano Garzarella @ 2023-03-24 15:33 UTC (permalink / raw)
To: syzbot
Cc: axboe, davem, edumazet, io-uring, kuba, kvm, linux-kernel, netdev,
pabeni, stefanha, syzkaller-bugs, virtualization
#syz dup general protection fault in virtio_transport_purge_skbs
On Fri, Mar 24, 2023 at 1:52 AM syzbot
<[email protected]> wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: fe15c26ee26e Linux 6.3-rc1
> 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=1577c97ec80000
> kernel config: https://syzkaller.appspot.com/x/.config?x=7573cbcd881a88c9
> dashboard link: https://syzkaller.appspot.com/bug?extid=0bc015ebddc291a97116
> compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
> userspace arch: arm64
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1077c996c80000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17e38929c80000
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/89d41abd07bd/disk-fe15c26e.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/fa75f5030ade/vmlinux-fe15c26e.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/590d0f5903ee/Image-fe15c26e.gz.xz
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: [email protected]
>
> watchdog: BUG: soft lockup - CPU#0 stuck for 27s! [syz-executor244:6747]
> Modules linked in:
> irq event stamp: 6033
> hardirqs last enabled at (6032): [<ffff8000124604ac>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
> hardirqs last enabled at (6032): [<ffff8000124604ac>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
> hardirqs last disabled at (6033): [<ffff80001245e188>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
> hardirqs last disabled at (6033): [<ffff80001245e188>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
> softirqs last enabled at (616): [<ffff80001066ca80>] spin_unlock_bh include/linux/spinlock.h:395 [inline]
> softirqs last enabled at (616): [<ffff80001066ca80>] lock_sock_nested+0xe8/0x138 net/core/sock.c:3480
> softirqs last disabled at (618): [<ffff8000122dbcfc>] spin_lock_bh include/linux/spinlock.h:355 [inline]
> softirqs last disabled at (618): [<ffff8000122dbcfc>] virtio_transport_purge_skbs+0x11c/0x500 net/vmw_vsock/virtio_transport_common.c:1372
> CPU: 0 PID: 6747 Comm: syz-executor244 Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
> pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> pc : __sanitizer_cov_trace_pc+0xc/0x8c kernel/kcov.c:203
> lr : virtio_transport_purge_skbs+0x19c/0x500 net/vmw_vsock/virtio_transport_common.c:1374
> sp : ffff80001e787890
> x29: ffff80001e7879e0 x28: 1ffff00003cf0f2a x27: ffff80001a487a60
> x26: ffff80001e787950 x25: ffff0000ce2d3b80 x24: ffff80001a487a78
> x23: 1ffff00003490f4c x22: ffff80001a29c1a8 x21: dfff800000000000
> x20: ffff80001a487a60 x19: ffff80001e787940 x18: 1fffe000368951b6
> x17: ffff800015cdd000 x16: ffff8000085110b0 x15: 0000000000000000
> x14: 1ffff00002b9c0b2 x13: dfff800000000000 x12: ffff700003cf0efc
> x11: ff808000122dbee8 x10: 0000000000000000 x9 : ffff8000122dbee8
> x8 : ffff0000ce511b40 x7 : ffff8000122dbcfc x6 : 0000000000000000
> x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000832d758
> x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
> Call trace:
> get_current arch/arm64/include/asm/current.h:19 [inline]
> __sanitizer_cov_trace_pc+0xc/0x8c kernel/kcov.c:206
> vsock_loopback_cancel_pkt+0x28/0x3c net/vmw_vsock/vsock_loopback.c:48
> vsock_transport_cancel_pkt net/vmw_vsock/af_vsock.c:1284 [inline]
> vsock_connect+0x6b8/0xaec net/vmw_vsock/af_vsock.c:1426
> __sys_connect_file net/socket.c:2004 [inline]
> __sys_connect+0x268/0x290 net/socket.c:2021
> __do_sys_connect net/socket.c:2031 [inline]
> __se_sys_connect net/socket.c:2028 [inline]
> __arm64_sys_connect+0x7c/0x94 net/socket.c:2028
> __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
> invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
> el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
> do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
> el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
> el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
> el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
>
>
> ---
> 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 [email protected].
>
> 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
>
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [net?] [virt?] [io-uring?] [kvm?] BUG: soft lockup in vsock_connect
2023-03-18 0:32 ` Bobby Eshleman
@ 2023-03-26 19:20 ` Cong Wang
2023-03-27 9:07 ` Stefano Garzarella
1 sibling, 0 replies; 6+ messages in thread
From: Cong Wang @ 2023-03-26 19:20 UTC (permalink / raw)
To: Bobby Eshleman
Cc: Stefano Garzarella, Bobby Eshleman, Bobby Eshleman, syzbot, axboe,
davem, edumazet, io-uring, kuba, kvm, linux-kernel, netdev,
pabeni, stefanha, syzkaller-bugs, virtualization, Krasnov Arseniy,
Krasnov Arseniy Vladimirovich
On Sat, Mar 18, 2023 at 12:32:39AM +0000, Bobby Eshleman wrote:
> On Fri, Mar 24, 2023 at 09:38:38AM +0100, Stefano Garzarella wrote:
> > Hi Bobby,
> > FYI we have also this one, but it seems related to
> > [email protected]
> >
> > Thanks,
> > Stefano
> >
>
> Got it, I'll look into it.
>
It seems you forgot to set skb->sk??
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index 957cdc01c8e8..d47ad27b409d 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -236,6 +236,7 @@ static int virtio_transport_send_pkt_info(struct vsock_sock *vsk,
}
virtio_transport_inc_tx_pkt(vvs, skb);
+ skb_set_owner_w(skb, sk_vsock(vsk));
return t_ops->send_pkt(skb);
}
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [syzbot] [net?] [virt?] [io-uring?] [kvm?] BUG: soft lockup in vsock_connect
2023-03-18 0:32 ` Bobby Eshleman
2023-03-26 19:20 ` Cong Wang
@ 2023-03-27 9:07 ` Stefano Garzarella
1 sibling, 0 replies; 6+ messages in thread
From: Stefano Garzarella @ 2023-03-27 9:07 UTC (permalink / raw)
To: Bobby Eshleman
Cc: Bobby Eshleman, Bobby Eshleman, syzbot, axboe, davem, edumazet,
io-uring, kuba, kvm, linux-kernel, netdev, pabeni, stefanha,
syzkaller-bugs, virtualization, Krasnov Arseniy,
Krasnov Arseniy Vladimirovich
On Sat, Mar 25, 2023 at 1:44 AM Bobby Eshleman <[email protected]> wrote:
>
> On Fri, Mar 24, 2023 at 09:38:38AM +0100, Stefano Garzarella wrote:
> > Hi Bobby,
> > FYI we have also this one, but it seems related to
> > [email protected]
> >
> > Thanks,
> > Stefano
> >
>
> Got it, I'll look into it.
I think it is related to
[email protected], so I tested the
same patch and syzbot seems happy.
I marked this as duplicated, but feel free to undup if it is not the case.
Thanks,
Stefano
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2023-03-27 9:09 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-03-24 0:52 [syzbot] [net?] [virt?] [io-uring?] [kvm?] BUG: soft lockup in vsock_connect syzbot
2023-03-24 8:38 ` Stefano Garzarella
2023-03-18 0:32 ` Bobby Eshleman
2023-03-26 19:20 ` Cong Wang
2023-03-27 9:07 ` Stefano Garzarella
2023-03-24 15:33 ` Stefano Garzarella
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox