From: syzbot <[email protected]>
To: [email protected], [email protected],
[email protected], [email protected],
[email protected]
Subject: Re: [syzbot] [io-uring?] kernel BUG in put_page
Date: Wed, 03 Apr 2024 12:06:04 -0700 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
rd
[ 8.809543][ T1] usbcore: registered new interface driver dln2
[ 8.811777][ T1] usbcore: registered new interface driver pn533_usb
[ 8.818634][ T1] nfcsim 0.2 initialized
[ 8.819601][ T1] usbcore: registered new interface driver port100
[ 8.821888][ T1] usbcore: registered new interface driver nfcmrvl
[ 8.828017][ T1] Loading iSCSI transport class v2.0-870.
[ 8.847616][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues
[ 8.857238][ T1] ------------[ cut here ]------------
[ 8.858042][ T1] refcount_t: decrement hit 0; leaking memory.
[ 8.859263][ T1] WARNING: CPU: 1 PID: 1 at lib/refcount.c:31 refcount_warn_saturate+0xfa/0x1d0
[ 8.863740][ T1] Modules linked in:
[ 8.864831][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc2-syzkaller-00062-g25d658afbb9f #0
[ 8.867287][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 8.868833][ T1] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0
[ 8.869927][ T1] Code: b2 00 00 00 e8 67 f3 e9 fc 5b 5d c3 cc cc cc cc e8 5b f3 e9 fc c6 05 73 24 e8 0a 01 90 48 c7 c7 40 34 1f 8c e8 67 8e ac fc 90 <0f> 0b 90 90 eb d9 e8 3b f3 e9 fc c6 05 50 24 e8 0a 01 90 48 c7 c7
[ 8.874169][ T1] RSP: 0000:ffffc90000066e18 EFLAGS: 00010246
[ 8.875227][ T1] RAX: 2c4d17207a88ac00 RBX: ffff8881446fa13c RCX: ffff8880166d0000
[ 8.876287][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 8.877447][ T1] RBP: 0000000000000004 R08: ffffffff8157ffc2 R09: fffffbfff1c39af8
[ 8.878641][ T1] R10: dffffc0000000000 R11: fffffbfff1c39af8 R12: ffffea000504edc0
[ 8.879942][ T1] R13: ffffea000504edc8 R14: 1ffffd4000a09db9 R15: 0000000000000000
[ 8.881594][ T1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 8.883506][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.884669][ T1] CR2: 0000000000000000 CR3: 000000000e134000 CR4: 00000000003506f0
[ 8.885932][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8.887158][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8.888416][ T1] Call Trace:
[ 8.888893][ T1] <TASK>
[ 8.889405][ T1] ? __warn+0x163/0x4e0
[ 8.890173][ T1] ? refcount_warn_saturate+0xfa/0x1d0
[ 8.891099][ T1] ? report_bug+0x2b3/0x500
[ 8.891833][ T1] ? refcount_warn_saturate+0xfa/0x1d0
[ 8.892704][ T1] ? handle_bug+0x3e/0x70
[ 8.893508][ T1] ? exc_invalid_op+0x1a/0x50
[ 8.894358][ T1] ? asm_exc_invalid_op+0x1a/0x20
[ 8.895351][ T1] ? __warn_printk+0x292/0x360
[ 8.896090][ T1] ? refcount_warn_saturate+0xfa/0x1d0
[ 8.896832][ T1] ? refcount_warn_saturate+0xf9/0x1d0
[ 8.897742][ T1] __free_pages_ok+0xc60/0xd90
[ 8.898411][ T1] make_alloc_exact+0xa3/0xf0
[ 8.899052][ T1] vring_alloc_queue_split+0x20a/0x600
[ 8.900061][ T1] ? __pfx_vring_alloc_queue_split+0x10/0x10
[ 8.901034][ T1] ? vp_find_vqs+0x4c/0x4e0
[ 8.901695][ T1] ? virtscsi_probe+0x3ea/0xf60
[ 8.902445][ T1] ? virtio_dev_probe+0x991/0xaf0
[ 8.903285][ T1] ? really_probe+0x2b8/0xad0
[ 8.904128][ T1] ? driver_probe_device+0x50/0x430
[ 8.904872][ T1] vring_create_virtqueue_split+0xc6/0x310
[ 8.905969][ T1] ? ret_from_fork+0x4b/0x80
[ 8.906739][ T1] ? __pfx_vring_create_virtqueue_split+0x10/0x10
[ 8.907802][ T1] vring_create_virtqueue+0xca/0x110
[ 8.908537][ T1] ? __pfx_vp_notify+0x10/0x10
[ 8.909350][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 8.910582][ T1] setup_vq+0xe9/0x2d0
[ 8.911201][ T1] ? __pfx_vp_notify+0x10/0x10
[ 8.911948][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 8.913087][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 8.914107][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 8.915020][ T1] vp_setup_vq+0xbf/0x330
[ 8.915969][ T1] ? __pfx_vp_config_changed+0x10/0x10
[ 8.917767][ T1] ? ioread16+0x2f/0x90
[ 8.918376][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 8.919158][ T1] vp_find_vqs_msix+0x8b2/0xc80
[ 8.920114][ T1] vp_find_vqs+0x4c/0x4e0
[ 8.920765][ T1] virtscsi_init+0x8db/0xd00
[ 8.921424][ T1] ? __pfx_virtscsi_init+0x10/0x10
[ 8.922125][ T1] ? __pfx_default_calc_sets+0x10/0x10
[ 8.923108][ T1] ? scsi_host_alloc+0xa57/0xea0
[ 8.923930][ T1] ? vp_get+0xfd/0x140
[ 8.924553][ T1] virtscsi_probe+0x3ea/0xf60
[ 8.925375][ T1] ? __pfx_virtscsi_probe+0x10/0x10
[ 8.926277][ T1] ? kernfs_add_one+0x156/0x8b0
[ 8.926980][ T1] ? virtio_no_restricted_mem_acc+0x9/0x10
[ 8.927786][ T1] ? virtio_features_ok+0x10c/0x270
[ 8.928528][ T1] virtio_dev_probe+0x991/0xaf0
[ 8.929356][ T1] ? __pfx_virtio_dev_probe+0x10/0x10
[ 8.930386][ T1] really_probe+0x2b8/0xad0
[ 8.931050][ T1] __driver_probe_device+0x1a2/0x390
[ 8.931934][ T1] driver_probe_device+0x50/0x430
[ 8.932722][ T1] __driver_attach+0x45f/0x710
[ 8.933792][ T1] ? __pfx___driver_attach+0x10/0x10
[ 8.934513][ T1] bus_for_each_dev+0x239/0x2b0
[ 8.935198][ T1] ? __pfx___driver_attach+0x10/0x10
[ 8.935920][ T1] ? __pfx_bus_for_each_dev+0x10/0x10
[ 8.936707][ T1] ? do_raw_spin_unlock+0x13c/0x8b0
[ 8.937589][ T1] bus_add_driver+0x347/0x620
[ 8.938335][ T1] driver_register+0x23a/0x320
[ 8.939169][ T1] ? __pfx_virtio_scsi_init+0x10/0x10
[ 8.940184][ T1] virtio_scsi_init+0x65/0xe0
[ 8.940980][ T1] ? __pfx_virtio_scsi_init+0x10/0x10
[ 8.941836][ T1] do_one_initcall+0x248/0x880
[ 8.942709][ T1] ? __pfx_virtio_scsi_init+0x10/0x10
[ 8.943764][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 8.944826][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 8.945830][ T1] ? __pfx_parse_args+0x10/0x10
[ 8.946758][ T1] ? do_initcalls+0x1c/0x80
[ 8.947503][ T1] ? rcu_is_watching+0x15/0xb0
[ 8.948308][ T1] do_initcall_level+0x157/0x210
[ 8.949064][ T1] do_initcalls+0x3f/0x80
[ 8.949957][ T1] kernel_init_freeable+0x435/0x5d0
[ 8.950799][ T1] ? __pfx_kernel_init_freeable+0x10/0x10
[ 8.951875][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 8.952863][ T1] ? __pfx_kernel_init+0x10/0x10
[ 8.953577][ T1] ? __pfx_kernel_init+0x10/0x10
[ 8.954289][ T1] ? __pfx_kernel_init+0x10/0x10
[ 8.954998][ T1] kernel_init+0x1d/0x2b0
[ 8.955683][ T1] ret_from_fork+0x4b/0x80
[ 8.956316][ T1] ? __pfx_kernel_init+0x10/0x10
[ 8.957112][ T1] ret_from_fork_asm+0x1a/0x30
[ 8.957936][ T1] </TASK>
[ 8.958420][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 8.959664][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc2-syzkaller-00062-g25d658afbb9f #0
[ 8.959938][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 8.959938][ T1] Call Trace:
[ 8.959938][ T1] <TASK>
[ 8.959938][ T1] dump_stack_lvl+0x241/0x360
[ 8.959938][ T1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 8.959938][ T1] ? __pfx__printk+0x10/0x10
[ 8.959938][ T1] ? _printk+0xd5/0x120
[ 8.959938][ T1] ? vscnprintf+0x5d/0x90
[ 8.959938][ T1] panic+0x349/0x860
[ 8.959938][ T1] ? __warn+0x172/0x4e0
[ 8.959938][ T1] ? __pfx_panic+0x10/0x10
[ 8.959938][ T1] ? show_trace_log_lvl+0x4e6/0x520
[ 8.970055][ T1] ? ret_from_fork_asm+0x1a/0x30
[ 8.970055][ T1] __warn+0x346/0x4e0
[ 8.970055][ T1] ? refcount_warn_saturate+0xfa/0x1d0
[ 8.970055][ T1] report_bug+0x2b3/0x500
[ 8.970055][ T1] ? refcount_warn_saturate+0xfa/0x1d0
[ 8.970055][ T1] handle_bug+0x3e/0x70
[ 8.970055][ T1] exc_invalid_op+0x1a/0x50
[ 8.970055][ T1] asm_exc_invalid_op+0x1a/0x20
[ 8.970055][ T1] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0
[ 8.970055][ T1] Code: b2 00 00 00 e8 67 f3 e9 fc 5b 5d c3 cc cc cc cc e8 5b f3 e9 fc c6 05 73 24 e8 0a 01 90 48 c7 c7 40 34 1f 8c e8 67 8e ac fc 90 <0f> 0b 90 90 eb d9 e8 3b f3 e9 fc c6 05 50 24 e8 0a 01 90 48 c7 c7
[ 8.979931][ T1] RSP: 0000:ffffc90000066e18 EFLAGS: 00010246
[ 8.979931][ T1] RAX: 2c4d17207a88ac00 RBX: ffff8881446fa13c RCX: ffff8880166d0000
[ 8.979931][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 8.979931][ T1] RBP: 0000000000000004 R08: ffffffff8157ffc2 R09: fffffbfff1c39af8
[ 8.979931][ T1] R10: dffffc0000000000 R11: fffffbfff1c39af8 R12: ffffea000504edc0
[ 8.979931][ T1] R13: ffffea000504edc8 R14: 1ffffd4000a09db9 R15: 0000000000000000
[ 8.979931][ T1] ? __warn_printk+0x292/0x360
[ 8.990056][ T1] ? refcount_warn_saturate+0xf9/0x1d0
[ 8.990056][ T1] __free_pages_ok+0xc60/0xd90
[ 8.990056][ T1] make_alloc_exact+0xa3/0xf0
[ 8.990056][ T1] vring_alloc_queue_split+0x20a/0x600
[ 8.990056][ T1] ? __pfx_vring_alloc_queue_split+0x10/0x10
[ 8.990056][ T1] ? vp_find_vqs+0x4c/0x4e0
[ 8.990056][ T1] ? virtscsi_probe+0x3ea/0xf60
[ 8.990056][ T1] ? virtio_dev_probe+0x991/0xaf0
[ 8.990056][ T1] ? really_probe+0x2b8/0xad0
[ 8.990056][ T1] ? driver_probe_device+0x50/0x430
[ 8.990056][ T1] vring_create_virtqueue_split+0xc6/0x310
[ 8.990056][ T1] ? ret_from_fork+0x4b/0x80
[ 8.999988][ T1] ? __pfx_vring_create_virtqueue_split+0x10/0x10
[ 8.999988][ T1] vring_create_virtqueue+0xca/0x110
[ 8.999988][ T1] ? __pfx_vp_notify+0x10/0x10
[ 8.999988][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 8.999988][ T1] setup_vq+0xe9/0x2d0
[ 8.999988][ T1] ? __pfx_vp_notify+0x10/0x10
[ 8.999988][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 8.999988][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 8.999988][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 8.999988][ T1] vp_setup_vq+0xbf/0x330
[ 8.999988][ T1] ? __pfx_vp_config_changed+0x10/0x10
[ 8.999988][ T1] ? ioread16+0x2f/0x90
[ 8.999988][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 9.010034][ T1] vp_find_vqs_msix+0x8b2/0xc80
[ 9.010034][ T1] vp_find_vqs+0x4c/0x4e0
[ 9.010034][ T1] virtscsi_init+0x8db/0xd00
[ 9.010034][ T1] ? __pfx_virtscsi_init+0x10/0x10
[ 9.010034][ T1] ? __pfx_default_calc_sets+0x10/0x10
[ 9.010034][ T1] ? scsi_host_alloc+0xa57/0xea0
[ 9.010034][ T1] ? vp_get+0xfd/0x140
[ 9.010034][ T1] virtscsi_probe+0x3ea/0xf60
[ 9.010034][ T1] ? __pfx_virtscsi_probe+0x10/0x10
[ 9.010034][ T1] ? kernfs_add_one+0x156/0x8b0
[ 9.010034][ T1] ? virtio_no_restricted_mem_acc+0x9/0x10
[ 9.010034][ T1] ? virtio_features_ok+0x10c/0x270
[ 9.019933][ T1] virtio_dev_probe+0x991/0xaf0
[ 9.019933][ T1] ? __pfx_virtio_dev_probe+0x10/0x10
[ 9.019933][ T1] really_probe+0x2b8/0xad0
[ 9.019933][ T1] __driver_probe_device+0x1a2/0x390
[ 9.019933][ T1] driver_probe_device+0x50/0x430
[ 9.019933][ T1] __driver_attach+0x45f/0x710
[ 9.019933][ T1] ? __pfx___driver_attach+0x10/0x10
[ 9.019933][ T1] bus_for_each_dev+0x239/0x2b0
[ 9.019933][ T1] ? __pfx___driver_attach+0x10/0x10
[ 9.019933][ T1] ? __pfx_bus_for_each_dev+0x10/0x10
[ 9.019933][ T1] ? do_raw_spin_unlock+0x13c/0x8b0
[ 9.019933][ T1] bus_add_driver+0x347/0x620
[ 9.030102][ T1] driver_register+0x23a/0x320
[ 9.030102][ T1] ? __pfx_virtio_scsi_init+0x10/0x10
[ 9.030102][ T1] virtio_scsi_init+0x65/0xe0
[ 9.030102][ T1] ? __pfx_virtio_scsi_init+0x10/0x10
[ 9.030102][ T1] do_one_initcall+0x248/0x880
[ 9.030102][ T1] ? __pfx_virtio_scsi_init+0x10/0x10
[ 9.030102][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 9.030102][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 9.030102][ T1] ? __pfx_parse_args+0x10/0x10
[ 9.039922][ T1] ? do_initcalls+0x1c/0x80
[ 9.039922][ T1] ? rcu_is_watching+0x15/0xb0
[ 9.039922][ T1] do_initcall_level+0x157/0x210
[ 9.039922][ T1] do_initcalls+0x3f/0x80
[ 9.039922][ T1] kernel_init_freeable+0x435/0x5d0
[ 9.039922][ T1] ? __pfx_kernel_init_freeable+0x10/0x10
[ 9.039922][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 9.039922][ T1] ? __pfx_kernel_init+0x10/0x10
[ 9.039922][ T1] ? __pfx_kernel_init+0x10/0x10
[ 9.039922][ T1] ? __pfx_kernel_init+0x10/0x10
[ 9.039922][ T1] kernel_init+0x1d/0x2b0
[ 9.050013][ T1] ret_from_fork+0x4b/0x80
[ 9.050013][ T1] ? __pfx_kernel_init+0x10/0x10
[ 9.050013][ T1] ret_from_fork_asm+0x1a/0x30
[ 9.050013][ T1] </TASK>
[ 9.050013][ T1] Kernel Offset: disabled
[ 9.050013][ T1] Rebooting in 86400 seconds..
syzkaller build log:
go env (err=<nil>)
GO111MODULE='auto'
GOARCH='amd64'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFLAGS=''
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs-2/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.21.4'
GCCGO='gccgo'
GOAMD64='v1'
AR='ar'
CC='gcc'
CXX='g++'
CGO_ENABLED='1'
GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOWORK=''
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
PKG_CONFIG='pkg-config'
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build2770999391=/tmp/go-build -gno-record-gcc-switches'
git status (err=<nil>)
HEAD detached at 6baf50694
nothing to commit, working tree clean
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=6baf506947ba27ed9ce775cf9351cb0886166083 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240329-215124'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=6baf506947ba27ed9ce775cf9351cb0886166083 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240329-215124'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=6baf506947ba27ed9ce775cf9351cb0886166083 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240329-215124'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress
mkdir -p ./bin/linux_amd64
gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \
-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"6baf506947ba27ed9ce775cf9351cb0886166083\"
Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=148f06ad180000
Tested on:
commit: 25d658af io_uring/kbuf: remove dead define
git tree: git://git.kernel.dk/linux.git for-6.10/io_uring
kernel config: https://syzkaller.appspot.com/x/.config?x=51cdcd4a8f332569
dashboard link: https://syzkaller.appspot.com/bug?extid=324f30025b9b5d66fab9
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Note: no patches were applied.
prev parent reply other threads:[~2024-04-03 19:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-02 8:47 [syzbot] [io-uring?] kernel BUG in put_page syzbot
2024-04-02 18:51 ` Pavel Begunkov
2024-04-02 18:55 ` Jens Axboe
2024-04-02 19:36 ` Jens Axboe
2024-04-03 19:06 ` syzbot [this message]
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