general protection fault in __queue_work (2)
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syzbot
Jan 12, 2022, 5:08:21 PM1/12/22
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=13a07de7b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=d610115289cd0233ba9b
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d61011...@syzkaller.appspotmail.com
EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2814 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:trace_event_get_offsets_lock_acquire include/trace/events/lock.h:13 [inline]
RIP: 0010:perf_trace_lock_acquire+0x9d/0x530 include/trace/events/lock.h:13
Code: 04 f1 f1 04 f2 c7 40 08 00 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8d 46 18 48 89 85 40 ff ff ff 48 c1 e8 03 <80> 3c 10 00 0f 85 4f 03 00 00 49 8b 7d 18 48 c7 c0 80 14 6a 88 48
RSP: 0018:ffff8880ba107b38 EFLAGS: 00010006
RAX: 0000000000000006 RBX: ffff8880ab4d87a8 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000018 RDI: ffffffff89f6d420
RBP: ffff8880ba107c20 R08: 0000000000000000 R09: 0000000000000001
R10: ffff88813bfc2943 R11: 0000000000000000 R12: ffffffff89f6d420
R13: 0000000000000018 R14: 0000000000000000 R15: ffff8880ba107bf8
FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c029cb7000 CR3: 0000000009e6d000 CR4: 00000000003426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x298/0x3c0 kernel/locking/lockdep.c:3907
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
__queue_work+0x320/0x1100 kernel/workqueue.c:1416
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
expire_timers+0x97/0x4e0 kernel/time/timer.c:1371
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
</IRQ>
RIP: 0010:arch_local_save_flags arch/x86/include/asm/paravirt.h:784 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/paravirt.h:806 [inline]
RIP: 0010:__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
RIP: 0010:_raw_spin_lock_irqsave+0x2d/0xc0 kernel/locking/spinlock.c:152
Code: 80 82 f1 89 41 54 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 55 48 89 fd 80 3c 10 00 75 7f 48 83 3d 47 35 d8 01 00 74 71 9c 58 <0f> 1f 44 00 00 48 ba 00 00 00 00 00 fc ff df 49 89 c4 48 c7 c0 90
RSP: 0018:ffff888051127580 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000286 RBX: 0000000000000000 RCX: ffffffff8d3dcb88
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff8d3dcb88
RBP: ffffffff8d3dcb88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dead000000000200
R13: ffff888013c00000 R14: 0000000000000010 R15: dffffc0000000000
__debug_check_no_obj_freed lib/debugobjects.c:776 [inline]
debug_check_no_obj_freed+0xb5/0x490 lib/debugobjects.c:817
free_pages_prepare mm/page_alloc.c:1056 [inline]
__free_pages_ok+0x22d/0xd30 mm/page_alloc.c:1279
release_pages+0xab5/0x15a0 mm/swap.c:768
tlb_flush_mmu_free mm/memory.c:261 [inline]
zap_pte_range mm/memory.c:1417 [inline]
zap_pmd_range mm/memory.c:1463 [inline]
zap_pud_range mm/memory.c:1492 [inline]
zap_p4d_range mm/memory.c:1513 [inline]
unmap_page_range+0x221f/0x2c50 mm/memory.c:1534
unmap_single_vma+0x198/0x300 mm/memory.c:1579
unmap_vmas+0xa9/0x180 mm/memory.c:1609
exit_mmap+0x2b9/0x530 mm/mmap.c:3093
__mmput kernel/fork.c:1016 [inline]
mmput+0x14e/0x4a0 kernel/fork.c:1037
exit_mm kernel/exit.c:549 [inline]
do_exit+0xaec/0x2be0 kernel/exit.c:857
do_group_exit+0x125/0x310 kernel/exit.c:967
get_signal+0x3f2/0x1f70 kernel/signal.c:2589
do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f0c30fd2eb9
Code: Bad RIP value.
RSP: 002b:00007f0c2f948218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f0c310e5f68 RCX: 00007f0c30fd2eb9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0c310e5f6c
RBP: 00007f0c310e5f60 R08: 000001000fcf0111 R09: 0000000000000000
R10: 0000000000000160 R11: 0000000000000246 R12: 00007f0c310e5f6c
R13: 00007fff9edf660f R14: 00007f0c2f948300 R15: 0000000000022000
Modules linked in:
---[ end trace 7a3319258fd7e056 ]---
RIP: 0010:trace_event_get_offsets_lock_acquire include/trace/events/lock.h:13 [inline]
RIP: 0010:perf_trace_lock_acquire+0x9d/0x530 include/trace/events/lock.h:13
Code: 04 f1 f1 04 f2 c7 40 08 00 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8d 46 18 48 89 85 40 ff ff ff 48 c1 e8 03 <80> 3c 10 00 0f 85 4f 03 00 00 49 8b 7d 18 48 c7 c0 80 14 6a 88 48
RSP: 0018:ffff8880ba107b38 EFLAGS: 00010006
RAX: 0000000000000006 RBX: ffff8880ab4d87a8 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000018 RDI: ffffffff89f6d420
RBP: ffff8880ba107c20 R08: 0000000000000000 R09: 0000000000000001
R10: ffff88813bfc2943 R11: 0000000000000000 R12: ffffffff89f6d420
R13: 0000000000000018 R14: 0000000000000000 R15: ffff8880ba107bf8
FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0c30fd2e8f CR3: 0000000009e6d000 CR4: 00000000003426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 04 f1 add $0xf1,%al
2: f1 icebp
3: 04 f2 add $0xf2,%al
5: c7 40 08 00 f3 f3 f3 movl $0xf3f3f300,0x8(%rax)
c: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax
13: 00 00
15: 48 89 45 d0 mov %rax,-0x30(%rbp)
19: 31 c0 xor %eax,%eax
1b: 48 8d 46 18 lea 0x18(%rsi),%rax
1f: 48 89 85 40 ff ff ff mov %rax,-0xc0(%rbp)
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) <-- trapping instruction
2e: 0f 85 4f 03 00 00 jne 0x383
34: 49 8b 7d 18 mov 0x18(%r13),%rdi
38: 48 c7 c0 80 14 6a 88 mov $0xffffffff886a1480,%rax
3f: 48 rex.W
---
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 syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=13a07de7b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=d610115289cd0233ba9b
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d61011...@syzkaller.appspotmail.com
EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2814 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:trace_event_get_offsets_lock_acquire include/trace/events/lock.h:13 [inline]
RIP: 0010:perf_trace_lock_acquire+0x9d/0x530 include/trace/events/lock.h:13
Code: 04 f1 f1 04 f2 c7 40 08 00 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8d 46 18 48 89 85 40 ff ff ff 48 c1 e8 03 <80> 3c 10 00 0f 85 4f 03 00 00 49 8b 7d 18 48 c7 c0 80 14 6a 88 48
RSP: 0018:ffff8880ba107b38 EFLAGS: 00010006
RAX: 0000000000000006 RBX: ffff8880ab4d87a8 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000018 RDI: ffffffff89f6d420
RBP: ffff8880ba107c20 R08: 0000000000000000 R09: 0000000000000001
R10: ffff88813bfc2943 R11: 0000000000000000 R12: ffffffff89f6d420
R13: 0000000000000018 R14: 0000000000000000 R15: ffff8880ba107bf8
FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c029cb7000 CR3: 0000000009e6d000 CR4: 00000000003426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x298/0x3c0 kernel/locking/lockdep.c:3907
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
__queue_work+0x320/0x1100 kernel/workqueue.c:1416
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
expire_timers+0x97/0x4e0 kernel/time/timer.c:1371
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
</IRQ>
RIP: 0010:arch_local_save_flags arch/x86/include/asm/paravirt.h:784 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/paravirt.h:806 [inline]
RIP: 0010:__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
RIP: 0010:_raw_spin_lock_irqsave+0x2d/0xc0 kernel/locking/spinlock.c:152
Code: 80 82 f1 89 41 54 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 55 48 89 fd 80 3c 10 00 75 7f 48 83 3d 47 35 d8 01 00 74 71 9c 58 <0f> 1f 44 00 00 48 ba 00 00 00 00 00 fc ff df 49 89 c4 48 c7 c0 90
RSP: 0018:ffff888051127580 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000286 RBX: 0000000000000000 RCX: ffffffff8d3dcb88
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff8d3dcb88
RBP: ffffffff8d3dcb88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dead000000000200
R13: ffff888013c00000 R14: 0000000000000010 R15: dffffc0000000000
__debug_check_no_obj_freed lib/debugobjects.c:776 [inline]
debug_check_no_obj_freed+0xb5/0x490 lib/debugobjects.c:817
free_pages_prepare mm/page_alloc.c:1056 [inline]
__free_pages_ok+0x22d/0xd30 mm/page_alloc.c:1279
release_pages+0xab5/0x15a0 mm/swap.c:768
tlb_flush_mmu_free mm/memory.c:261 [inline]
zap_pte_range mm/memory.c:1417 [inline]
zap_pmd_range mm/memory.c:1463 [inline]
zap_pud_range mm/memory.c:1492 [inline]
zap_p4d_range mm/memory.c:1513 [inline]
unmap_page_range+0x221f/0x2c50 mm/memory.c:1534
unmap_single_vma+0x198/0x300 mm/memory.c:1579
unmap_vmas+0xa9/0x180 mm/memory.c:1609
exit_mmap+0x2b9/0x530 mm/mmap.c:3093
__mmput kernel/fork.c:1016 [inline]
mmput+0x14e/0x4a0 kernel/fork.c:1037
exit_mm kernel/exit.c:549 [inline]
do_exit+0xaec/0x2be0 kernel/exit.c:857
do_group_exit+0x125/0x310 kernel/exit.c:967
get_signal+0x3f2/0x1f70 kernel/signal.c:2589
do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f0c30fd2eb9
Code: Bad RIP value.
RSP: 002b:00007f0c2f948218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f0c310e5f68 RCX: 00007f0c30fd2eb9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0c310e5f6c
RBP: 00007f0c310e5f60 R08: 000001000fcf0111 R09: 0000000000000000
R10: 0000000000000160 R11: 0000000000000246 R12: 00007f0c310e5f6c
R13: 00007fff9edf660f R14: 00007f0c2f948300 R15: 0000000000022000
Modules linked in:
---[ end trace 7a3319258fd7e056 ]---
RIP: 0010:trace_event_get_offsets_lock_acquire include/trace/events/lock.h:13 [inline]
RIP: 0010:perf_trace_lock_acquire+0x9d/0x530 include/trace/events/lock.h:13
Code: 04 f1 f1 04 f2 c7 40 08 00 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8d 46 18 48 89 85 40 ff ff ff 48 c1 e8 03 <80> 3c 10 00 0f 85 4f 03 00 00 49 8b 7d 18 48 c7 c0 80 14 6a 88 48
RSP: 0018:ffff8880ba107b38 EFLAGS: 00010006
RAX: 0000000000000006 RBX: ffff8880ab4d87a8 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000018 RDI: ffffffff89f6d420
RBP: ffff8880ba107c20 R08: 0000000000000000 R09: 0000000000000001
R10: ffff88813bfc2943 R11: 0000000000000000 R12: ffffffff89f6d420
R13: 0000000000000018 R14: 0000000000000000 R15: ffff8880ba107bf8
FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0c30fd2e8f CR3: 0000000009e6d000 CR4: 00000000003426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 04 f1 add $0xf1,%al
2: f1 icebp
3: 04 f2 add $0xf2,%al
5: c7 40 08 00 f3 f3 f3 movl $0xf3f3f300,0x8(%rax)
c: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax
13: 00 00
15: 48 89 45 d0 mov %rax,-0x30(%rbp)
19: 31 c0 xor %eax,%eax
1b: 48 8d 46 18 lea 0x18(%rsi),%rax
1f: 48 89 85 40 ff ff ff mov %rax,-0xc0(%rbp)
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) <-- trapping instruction
2e: 0f 85 4f 03 00 00 jne 0x383
34: 49 8b 7d 18 mov 0x18(%r13),%rdi
38: 48 c7 c0 80 14 6a 88 mov $0xffffffff886a1480,%rax
3f: 48 rex.W
---
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 syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot
May 12, 2022, 6:08:24 PM5/12/22
to syzkaller...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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