BUG: stack guard page was hit in trace_hardirqs_off
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syzbot
Sep 10, 2020, 5:43:24 AM9/10/20
to linux-...@vger.kernel.org, mi...@redhat.com, ros...@goodmis.org, syzkall...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 34d4ddd3 Merge tag 'linux-kselftest-5.9-rc5' of git://git...
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1354ce29900000
kernel config: https://syzkaller.appspot.com/x/.config?x=a9075b36a6ae26c9
dashboard link: https://syzkaller.appspot.com/bug?extid=d634da63c815bcfe7cd7
compiler: gcc (GCC) 10.1.0-syz 20200507
userspace arch: i386
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+d634da...@syzkaller.appspotmail.com
BUG: stack guard page was hit at 0000000081fa4d7f (stack is 000000008ed0f837..0000000020f72952)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 23783 Comm: syz-executor.5 Not tainted 5.9.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:trace_hardirqs_off+0x8/0x210 kernel/trace/trace_preemptirq.c:76
Code: 1e 45 3a 00 e9 33 ff ff ff 48 89 df e8 11 45 3a 00 e9 fe fe ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 55 53 <e8> f3 3e fa ff 48 8b 7c 24 28 e8 09 90 7a 06 65 8b 1d 62 f9 88 7e
RSP: 0018:ffffc900181e8000 EFLAGS: 00010046
RAX: ffff88803dad05c0 RBX: 0000000000000000 RCX: ffffc900139ec000
RDX: 0000000000040000 RSI: ffffffff81341b7f RDI: ffffc900181e8068
RBP: ffffc900181e8068 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:00000000f5570b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: ffffc900181e7ff8 CR3: 000000003af1b000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
irqentry_enter+0x1d/0x50 kernel/entry/common.c:342
exc_page_fault+0x49/0x190 arch/x86/mm/fault.c:1479
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e8110 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e8118 R08: 0000000000000000 R09: ffffffff8ab26b8f
R10: fffffbfff1564d71 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:772 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x3f0/0xae0 kernel/locking/lockdep.c:4980
down_read_trylock kernel/locking/rwsem.c:1520 [inline]
down_read_trylock+0x193/0x350 kernel/locking/rwsem.c:1515
mmap_read_trylock include/linux/mmap_lock.h:56 [inline]
do_user_addr_fault+0x25e/0xbf0 arch/x86/mm/fault.c:1313
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0xa8/0x190 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e8400 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e8408 R08: 0000000000000000 R09: ffffffff8ab26b8f
R10: fffffbfff1564d71 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:772 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x3f0/0xae0 kernel/locking/lockdep.c:4980
down_read_trylock kernel/locking/rwsem.c:1520 [inline]
down_read_trylock+0x193/0x350 kernel/locking/rwsem.c:1515
mmap_read_trylock include/linux/mmap_lock.h:56 [inline]
do_user_addr_fault+0x25e/0xbf0 arch/x86/mm/fault.c:1313
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0xa8/0x190 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e86f0 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e86f8 R08: 0000000000000000 R09: ffffffff8ab26b8f
R10: fffffbfff1564d71 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:772 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x3f0/0xae0 kernel/locking/lockdep.c:4980
down_read_trylock kernel/locking/rwsem.c:1520 [inline]
down_read_trylock+0x193/0x350 kernel/locking/rwsem.c:1515
mmap_read_trylock include/linux/mmap_lock.h:56 [inline]
do_user_addr_fault+0x25e/0xbf0 arch/x86/mm/fault.c:1313
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0xa8/0x190 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e89e0 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e89e8 R08: 0000000000000000 R09: ffffffff8ab26b8f
R10: fffffbfff1564d71 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:772 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x3f0/0xae0 kernel/locking/lockdep.c:4980
down_read_trylock kernel/locking/rwsem.c:1520 [inline]
down_read_trylock+0x193/0x350 kernel/locking/rwsem.c:1515
mmap_read_trylock include/linux/mmap_lock.h:56 [inline]
do_user_addr_fault+0x25e/0xbf0 arch/x86/mm/fault.c:1313
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0xa8/0x190 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e8cd0 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e8cd8 R08: 0000000000000000 R09: ffffffff8ab26b8f
R10: fffffbfff1564d71 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:772 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x3f0/0xae0 kernel/locking/lockdep.c:4980
down_read_trylock kernel/locking/rwsem.c:1520 [inline]
down_read_trylock+0x193/0x350 kernel/locking/rwsem.c:1515
mmap_read_trylock include/linux/mmap_lock.h:56 [inline]
do_user_addr_fault+0x25e/0xbf0 arch/x86/mm/fault.c:1313
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0xa8/0x190 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e8fc0 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e8fc8 R08: 0000000000000000 R09: ffffffff8ab26b8f
R10: fffffbfff1564d71 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:772 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x3f0/0xae0 kernel/locking/lockdep.c:4980
down_read_trylock kernel/locking/rwsem.c:1520 [inline]
down_read_trylock+0x193/0x350 kernel/locking/rwsem.c:1515
mmap_read_trylock include/linux/mmap_lock.h:56 [inline]
do_user_addr_fault+0x25e/0xbf0 arch/x86/mm/fault.c:1313
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0xa8/0x190 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e92b0 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e92b8 R08: 0000000000000000 R09: ffffffff8ab26b8f
R10: fffffbfff1564d71 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:772 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x3f0/0xae0 kernel/locking/lockdep.c:4980
down_read_trylock kernel/locking/rwsem.c:1520 [inline]
down_read_trylock+0x193/0x350 kernel/locking/rwsem.c:1515
mmap_read_trylock include/linux/mmap_lock.h:56 [inline]
do_user_addr_fault+0x25e/0xbf0 arch/x86/mm/fault.c:1313
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0xa8/0x190 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e95a0 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e95a8 R08:
Lost 683 message(s)!
---[ end trace 02af37d385ae66aa ]---
RIP: 0010:trace_hardirqs_off+0x8/0x210 kernel/trace/trace_preemptirq.c:76
Code: 1e 45 3a 00 e9 33 ff ff ff 48 89 df e8 11 45 3a 00 e9 fe fe ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 55 53 <e8> f3 3e fa ff 48 8b 7c 24 28 e8 09 90 7a 06 65 8b 1d 62 f9 88 7e
RSP: 0018:ffffc900181e8000 EFLAGS: 00010046
RAX: ffff88803dad05c0 RBX: 0000000000000000 RCX: ffffc900139ec000
RDX: 0000000000040000 RSI: ffffffff81341b7f RDI: ffffc900181e8068
RBP: ffffc900181e8068 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:00000000f5570b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: ffffc900181e7ff8 CR3: 000000003af1b000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
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syzbot found the following issue on:
HEAD commit: 34d4ddd3 Merge tag 'linux-kselftest-5.9-rc5' of git://git...
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1354ce29900000
kernel config: https://syzkaller.appspot.com/x/.config?x=a9075b36a6ae26c9
dashboard link: https://syzkaller.appspot.com/bug?extid=d634da63c815bcfe7cd7
compiler: gcc (GCC) 10.1.0-syz 20200507
userspace arch: i386
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+d634da...@syzkaller.appspotmail.com
BUG: stack guard page was hit at 0000000081fa4d7f (stack is 000000008ed0f837..0000000020f72952)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 23783 Comm: syz-executor.5 Not tainted 5.9.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:trace_hardirqs_off+0x8/0x210 kernel/trace/trace_preemptirq.c:76
Code: 1e 45 3a 00 e9 33 ff ff ff 48 89 df e8 11 45 3a 00 e9 fe fe ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 55 53 <e8> f3 3e fa ff 48 8b 7c 24 28 e8 09 90 7a 06 65 8b 1d 62 f9 88 7e
RSP: 0018:ffffc900181e8000 EFLAGS: 00010046
RAX: ffff88803dad05c0 RBX: 0000000000000000 RCX: ffffc900139ec000
RDX: 0000000000040000 RSI: ffffffff81341b7f RDI: ffffc900181e8068
RBP: ffffc900181e8068 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:00000000f5570b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: ffffc900181e7ff8 CR3: 000000003af1b000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
irqentry_enter+0x1d/0x50 kernel/entry/common.c:342
exc_page_fault+0x49/0x190 arch/x86/mm/fault.c:1479
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e8110 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e8118 R08: 0000000000000000 R09: ffffffff8ab26b8f
R10: fffffbfff1564d71 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:772 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x3f0/0xae0 kernel/locking/lockdep.c:4980
down_read_trylock kernel/locking/rwsem.c:1520 [inline]
down_read_trylock+0x193/0x350 kernel/locking/rwsem.c:1515
mmap_read_trylock include/linux/mmap_lock.h:56 [inline]
do_user_addr_fault+0x25e/0xbf0 arch/x86/mm/fault.c:1313
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0xa8/0x190 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e8400 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e8408 R08: 0000000000000000 R09: ffffffff8ab26b8f
R10: fffffbfff1564d71 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:772 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x3f0/0xae0 kernel/locking/lockdep.c:4980
down_read_trylock kernel/locking/rwsem.c:1520 [inline]
down_read_trylock+0x193/0x350 kernel/locking/rwsem.c:1515
mmap_read_trylock include/linux/mmap_lock.h:56 [inline]
do_user_addr_fault+0x25e/0xbf0 arch/x86/mm/fault.c:1313
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0xa8/0x190 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e86f0 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e86f8 R08: 0000000000000000 R09: ffffffff8ab26b8f
R10: fffffbfff1564d71 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:772 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x3f0/0xae0 kernel/locking/lockdep.c:4980
down_read_trylock kernel/locking/rwsem.c:1520 [inline]
down_read_trylock+0x193/0x350 kernel/locking/rwsem.c:1515
mmap_read_trylock include/linux/mmap_lock.h:56 [inline]
do_user_addr_fault+0x25e/0xbf0 arch/x86/mm/fault.c:1313
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0xa8/0x190 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e89e0 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e89e8 R08: 0000000000000000 R09: ffffffff8ab26b8f
R10: fffffbfff1564d71 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:772 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x3f0/0xae0 kernel/locking/lockdep.c:4980
down_read_trylock kernel/locking/rwsem.c:1520 [inline]
down_read_trylock+0x193/0x350 kernel/locking/rwsem.c:1515
mmap_read_trylock include/linux/mmap_lock.h:56 [inline]
do_user_addr_fault+0x25e/0xbf0 arch/x86/mm/fault.c:1313
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0xa8/0x190 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e8cd0 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e8cd8 R08: 0000000000000000 R09: ffffffff8ab26b8f
R10: fffffbfff1564d71 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:772 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x3f0/0xae0 kernel/locking/lockdep.c:4980
down_read_trylock kernel/locking/rwsem.c:1520 [inline]
down_read_trylock+0x193/0x350 kernel/locking/rwsem.c:1515
mmap_read_trylock include/linux/mmap_lock.h:56 [inline]
do_user_addr_fault+0x25e/0xbf0 arch/x86/mm/fault.c:1313
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0xa8/0x190 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e8fc0 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e8fc8 R08: 0000000000000000 R09: ffffffff8ab26b8f
R10: fffffbfff1564d71 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:772 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x3f0/0xae0 kernel/locking/lockdep.c:4980
down_read_trylock kernel/locking/rwsem.c:1520 [inline]
down_read_trylock+0x193/0x350 kernel/locking/rwsem.c:1515
mmap_read_trylock include/linux/mmap_lock.h:56 [inline]
do_user_addr_fault+0x25e/0xbf0 arch/x86/mm/fault.c:1313
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0xa8/0x190 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e92b0 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e92b8 R08: 0000000000000000 R09: ffffffff8ab26b8f
R10: fffffbfff1564d71 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:772 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x3f0/0xae0 kernel/locking/lockdep.c:4980
down_read_trylock kernel/locking/rwsem.c:1520 [inline]
down_read_trylock+0x193/0x350 kernel/locking/rwsem.c:1515
mmap_read_trylock include/linux/mmap_lock.h:56 [inline]
do_user_addr_fault+0x25e/0xbf0 arch/x86/mm/fault.c:1313
handle_page_fault arch/x86/mm/fault.c:1429 [inline]
exc_page_fault+0xa8/0x190 arch/x86/mm/fault.c:1482
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0010:preempt_schedule_notrace_thunk+0x5/0x31 arch/x86/entry/thunk_64.S:41
Code: 00 48 8d a0 58 ff ff ff e8 e9 04 46 00 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 a3 d5 f5 06 eb 18 55 48 89 e5 57 <00> 70 07 00 00 77 00 00 41 52 41 53 e8 eb d5 f5 06 eb 00 41 5b 41
RSP: 0018:ffffc900181e95a0 EFLAGS: 00010046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1308b20
RDX: dffffc0000000000 RSI: ffffffff89bd6980 RDI: 0000000000000082
RBP: ffffc900181e95a8 R08:
Lost 683 message(s)!
---[ end trace 02af37d385ae66aa ]---
RIP: 0010:trace_hardirqs_off+0x8/0x210 kernel/trace/trace_preemptirq.c:76
Code: 1e 45 3a 00 e9 33 ff ff ff 48 89 df e8 11 45 3a 00 e9 fe fe ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 55 53 <e8> f3 3e fa ff 48 8b 7c 24 28 e8 09 90 7a 06 65 8b 1d 62 f9 88 7e
RSP: 0018:ffffc900181e8000 EFLAGS: 00010046
RAX: ffff88803dad05c0 RBX: 0000000000000000 RCX: ffffc900139ec000
RDX: 0000000000040000 RSI: ffffffff81341b7f RDI: ffffc900181e8068
RBP: ffffc900181e8068 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:00000000f5570b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: ffffc900181e7ff8 CR3: 000000003af1b000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
This report is generated by a bot. It may contain errors.
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syzbot
Jan 7, 2021, 9:22:21 AM1/7/21
to syzkall...@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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