Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.202' (ECDSA) to the list of known hosts. 2021/03/25 22:41:42 fuzzer started syzkaller login: [ 73.500845][ T8411] ------------[ cut here ]------------ [ 73.507357][ T8411] raw_local_irq_restore() called with IRQs enabled [ 73.514468][ T8411] WARNING: CPU: 0 PID: 8411 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 73.525366][ T8411] Modules linked in: [ 73.529302][ T8411] CPU: 0 PID: 8411 Comm: syz-fuzzer Not tainted 5.12.0-rc2-syzkaller #0 [ 73.537826][ T8411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.548632][ T8411] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 73.554955][ T8411] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d f0 0b ad 04 00 74 01 c3 48 c7 c7 20 92 6b 89 c6 05 df 0b ad 04 01 e8 4d d1 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 73.575642][ T8411] RSP: 0000:ffffc9000171fac8 EFLAGS: 00010282 [ 73.581739][ T8411] RAX: 0000000000000000 RBX: ffff8880109a7f00 RCX: 0000000000000000 [ 73.590006][ T8411] RDX: ffff8880144a0000 RSI: ffffffff815c3c85 RDI: fffff520002e3f4b [ 73.598234][ T8411] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 [ 73.606347][ T8411] R10: ffffffff815bca1e R11: 0000000000000000 R12: 0000000000000003 [ 73.614445][ T8411] R13: ffffed1002134fe0 R14: 0000000000000001 R15: ffff8880b9c35f80 [ 73.622636][ T8411] FS: 000000c00002e490(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 73.632141][ T8411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.638799][ T8411] CR2: 000000c0002f6420 CR3: 0000000013d72000 CR4: 00000000001506f0 [ 73.646966][ T8411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.689289][ T8411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.697379][ T8411] Call Trace: [ 73.700678][ T8411] kvm_wait+0xc9/0xe0 [ 73.704732][ T8411] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 73.710856][ T8411] ? pv_hash+0x100/0x100 [ 73.715298][ T8411] ? lock_release+0x720/0x720 [ 73.720027][ T8411] do_raw_spin_lock+0x200/0x2b0 [ 73.724987][ T8411] ? rwlock_bug.part.0+0x90/0x90 [ 73.729976][ T8411] huge_pmd_set_accessed+0x103/0x320 [ 73.735352][ T8411] ? huge_pud_set_accessed+0x300/0x300 [ 73.740866][ T8411] ? mark_lock+0xef/0x17b0 [ 73.745583][ T8411] ? __lock_acquire+0x16b3/0x54c0 [ 73.750727][ T8411] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.757458][ T8411] __handle_mm_fault+0xeeb/0x4f70 [ 73.762664][ T8411] ? vm_iomap_memory+0x190/0x190 [ 73.767919][ T8411] handle_mm_fault+0x1bc/0x7e0 [ 73.772835][ T8411] do_user_addr_fault+0x483/0x1210 [ 73.778004][ T8411] exc_page_fault+0x9e/0x180 [ 73.783202][ T8411] ? asm_exc_page_fault+0x8/0x30 [ 73.788261][ T8411] asm_exc_page_fault+0x1e/0x30 [ 73.793193][ T8411] RIP: 0033:0x58ef46 [ 73.797135][ T8411] Code: ff d1 48 8b 44 24 50 48 8d 48 01 48 8b 54 24 58 48 39 d1 0f 87 ff 01 00 00 48 8b 9c 24 80 00 00 00 48 c1 e0 04 48 8b 74 24 48 <48> 89 34 03 48 8d 3c 03 48 8d 7f 08 83 3d 07 02 2d 01 00 0f 85 c6 [ 73.817252][ T8411] RSP: 002b:000000c0000bd780 EFLAGS: 00010202 [ 73.823527][ T8411] RAX: 000000000001c420 RBX: 000000c0002da000 RCX: 0000000000001c43 [ 73.832650][ T8411] RDX: 0000000000001e00 RSI: 0000000000983980 RDI: 00000000017f43d0 [ 73.840740][ T8411] RBP: 000000c0000bd858 R08: 0000000000001c41 R09: 000000000059d0c0 [ 73.848823][ T8411] R10: 000000c0002da000 R11: 0000000000000020 R12: 0000000000000002 [ 73.857088][ T8411] R13: 0000000000b934e0 R14: 0000000000000000 R15: 000000000046c2e0 [ 73.865183][ T8411] Kernel panic - not syncing: panic_on_warn set ... [ 73.871799][ T8411] CPU: 0 PID: 8411 Comm: syz-fuzzer Not tainted 5.12.0-rc2-syzkaller #0 [ 73.880138][ T8411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.890453][ T8411] Call Trace: [ 73.893744][ T8411] dump_stack+0x141/0x1d7 [ 73.898214][ T8411] panic+0x306/0x73d [ 73.902115][ T8411] ? __warn_printk+0xf3/0xf3 [ 73.906734][ T8411] ? __warn.cold+0x1a/0x44 [ 73.911673][ T8411] ? warn_bogus_irq_restore+0x1d/0x20 [ 73.917050][ T8411] __warn.cold+0x35/0x44 [ 73.921304][ T8411] ? wake_up_klogd.part.0+0x8e/0xd0 [ 73.926628][ T8411] ? warn_bogus_irq_restore+0x1d/0x20 [ 73.932232][ T8411] report_bug+0x1bd/0x210 [ 73.936605][ T8411] handle_bug+0x3c/0x60 [ 73.941898][ T8411] exc_invalid_op+0x14/0x40 [ 73.946408][ T8411] asm_exc_invalid_op+0x12/0x20 [ 73.951270][ T8411] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 73.957788][ T8411] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d f0 0b ad 04 00 74 01 c3 48 c7 c7 20 92 6b 89 c6 05 df 0b ad 04 01 e8 4d d1 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 73.978205][ T8411] RSP: 0000:ffffc9000171fac8 EFLAGS: 00010282 [ 73.984358][ T8411] RAX: 0000000000000000 RBX: ffff8880109a7f00 RCX: 0000000000000000 [ 73.992335][ T8411] RDX: ffff8880144a0000 RSI: ffffffff815c3c85 RDI: fffff520002e3f4b [ 74.000316][ T8411] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 [ 74.008566][ T8411] R10: ffffffff815bca1e R11: 0000000000000000 R12: 0000000000000003 [ 74.016625][ T8411] R13: ffffed1002134fe0 R14: 0000000000000001 R15: ffff8880b9c35f80 [ 74.024607][ T8411] ? wake_up_klogd.part.0+0x8e/0xd0 [ 74.031737][ T8411] ? vprintk_func+0x95/0x1e0 [ 74.037015][ T8411] ? warn_bogus_irq_restore+0x1d/0x20 [ 74.042414][ T8411] kvm_wait+0xc9/0xe0 [ 74.046426][ T8411] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 74.052661][ T8411] ? pv_hash+0x100/0x100 [ 74.057200][ T8411] ? lock_release+0x720/0x720 [ 74.062269][ T8411] do_raw_spin_lock+0x200/0x2b0 [ 74.067161][ T8411] ? rwlock_bug.part.0+0x90/0x90 [ 74.072180][ T8411] huge_pmd_set_accessed+0x103/0x320 [ 74.077607][ T8411] ? huge_pud_set_accessed+0x300/0x300 [ 74.083097][ T8411] ? mark_lock+0xef/0x17b0 [ 74.087566][ T8411] ? __lock_acquire+0x16b3/0x54c0 [ 74.179088][ T8411] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 74.185539][ T8411] __handle_mm_fault+0xeeb/0x4f70 [ 74.190759][ T8411] ? vm_iomap_memory+0x190/0x190 [ 74.195736][ T8411] handle_mm_fault+0x1bc/0x7e0 [ 74.200510][ T8411] do_user_addr_fault+0x483/0x1210 [ 74.205654][ T8411] exc_page_fault+0x9e/0x180 [ 74.210311][ T8411] ? asm_exc_page_fault+0x8/0x30 [ 74.215452][ T8411] asm_exc_page_fault+0x1e/0x30 [ 74.220594][ T8411] RIP: 0033:0x58ef46 [ 74.224709][ T8411] Code: ff d1 48 8b 44 24 50 48 8d 48 01 48 8b 54 24 58 48 39 d1 0f 87 ff 01 00 00 48 8b 9c 24 80 00 00 00 48 c1 e0 04 48 8b 74 24 48 <48> 89 34 03 48 8d 3c 03 48 8d 7f 08 83 3d 07 02 2d 01 00 0f 85 c6 [ 74.249207][ T8411] RSP: 002b:000000c0000bd780 EFLAGS: 00010202 [ 74.268757][ T8411] RAX: 000000000001c420 RBX: 000000c0002da000 RCX: 0000000000001c43 [ 74.276734][ T8411] RDX: 0000000000001e00 RSI: 0000000000983980 RDI: 00000000017f43d0 [ 74.285068][ T8411] RBP: 000000c0000bd858 R08: 0000000000001c41 R09: 000000000059d0c0 [ 74.293563][ T8411] R10: 000000c0002da000 R11: 0000000000000020 R12: 0000000000000002 [ 74.301727][ T8411] R13: 0000000000b934e0 R14: 0000000000000000 R15: 000000000046c2e0 [ 74.311374][ T8411] Kernel Offset: disabled [ 74.316025][ T8411] Rebooting in 86400 seconds..