Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.175' (ECDSA) to the list of known hosts. 2021/03/25 15:53:25 fuzzer started syzkaller login: [ 71.514701][ T8392] ------------[ cut here ]------------ [ 71.521065][ T8392] raw_local_irq_restore() called with IRQs enabled [ 71.528262][ T8392] WARNING: CPU: 0 PID: 8392 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 71.539712][ T8392] Modules linked in: [ 71.543950][ T8392] CPU: 0 PID: 8392 Comm: syz-fuzzer Not tainted 5.12.0-rc2-syzkaller #0 [ 71.552879][ T8392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.563126][ T8392] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 71.569248][ T8392] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 22 07 ad 04 00 74 01 c3 48 c7 c7 20 92 6b 89 c6 05 11 07 ad 04 01 e8 4c 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 [ 71.589914][ T8392] RSP: 0000:ffffc9000162fac8 EFLAGS: 00010282 [ 71.596215][ T8392] RAX: 0000000000000000 RBX: ffff88802380ac60 RCX: 0000000000000000 [ 71.604232][ T8392] RDX: ffff888014cb1c40 RSI: ffffffff815c3f65 RDI: fffff520002c5f4b [ 71.612376][ T8392] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 [ 71.621333][ T8392] R10: ffffffff815bccfe R11: 0000000000000000 R12: 0000000000000003 [ 71.629435][ T8392] R13: ffffed100470158c R14: 0000000000000001 R15: ffff8880b9c35f40 [ 71.637509][ T8392] FS: 000000c00002e890(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 71.647914][ T8392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.654534][ T8392] CR2: 000000c0002f7778 CR3: 00000000145f6000 CR4: 00000000001506f0 [ 71.662730][ T8392] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.670837][ T8392] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.678913][ T8392] Call Trace: [ 71.682233][ T8392] kvm_wait+0xc9/0xe0 [ 71.686333][ T8392] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 71.692456][ T8392] ? pv_hash+0x100/0x100 [ 71.696848][ T8392] ? lock_release+0x720/0x720 [ 71.701835][ T8392] do_raw_spin_lock+0x200/0x2b0 [ 71.706863][ T8392] ? rwlock_bug.part.0+0x90/0x90 [ 71.711845][ T8392] huge_pmd_set_accessed+0x103/0x320 [ 71.717267][ T8392] ? huge_pud_set_accessed+0x300/0x300 [ 71.723433][ T8392] ? mark_lock+0xef/0x17b0 [ 71.728016][ T8392] ? __lock_acquire+0x16b3/0x54c0 [ 71.733242][ T8392] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.739359][ T8392] __handle_mm_fault+0xeeb/0x4f70 [ 71.744428][ T8392] ? vm_iomap_memory+0x190/0x190 [ 71.749649][ T8392] handle_mm_fault+0x1bc/0x7e0 [ 71.754675][ T8392] do_user_addr_fault+0x483/0x1210 [ 71.759899][ T8392] exc_page_fault+0x9e/0x180 [ 71.764536][ T8392] ? asm_exc_page_fault+0x8/0x30 [ 71.769606][ T8392] asm_exc_page_fault+0x1e/0x30 [ 71.774521][ T8392] RIP: 0033:0x59072c [ 71.778513][ T8392] Code: 48 8d 05 c7 3e 3e 00 48 89 44 24 08 e8 6d 54 ea ff 90 e8 07 a1 ed ff eb a5 cc cc cc cc cc 8b 44 24 10 48 8b 4c 24 08 89 41 24 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 8b [ 71.798279][ T8392] RSP: 002b:000000c0002f7778 EFLAGS: 00010202 [ 71.804582][ T8392] RAX: 0000000000004b6e RBX: 0000000000004b6e RCX: 0000000000d77020 [ 71.812651][ T8392] RDX: 0000000000004c00 RSI: 0000000000d77020 RDI: 0000000001823690 [ 71.824112][ T8392] RBP: 000000c0002f7858 R08: 0000000000004b6d R09: 000000000059c5a0 [ 71.832601][ T8392] R10: 000000c0004e0000 R11: 0000000000000020 R12: 00000000000000fa [ 71.841240][ T8392] R13: 00aaaaaaaaaaaaaa R14: 00000000009408d0 R15: 0000000000000038 [ 71.850043][ T8392] Kernel panic - not syncing: panic_on_warn set ... [ 71.856867][ T8392] CPU: 0 PID: 8392 Comm: syz-fuzzer Not tainted 5.12.0-rc2-syzkaller #0 [ 71.866753][ T8392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.878207][ T8392] Call Trace: [ 71.881739][ T8392] dump_stack+0x141/0x1d7 [ 71.888690][ T8392] panic+0x306/0x73d [ 71.893342][ T8392] ? __warn_printk+0xf3/0xf3 [ 71.898420][ T8392] ? __warn.cold+0x1a/0x44 [ 71.902869][ T8392] ? warn_bogus_irq_restore+0x1d/0x20 [ 71.908789][ T8392] __warn.cold+0x35/0x44 [ 71.913178][ T8392] ? wake_up_klogd.part.0+0x8e/0xd0 [ 71.918673][ T8392] ? warn_bogus_irq_restore+0x1d/0x20 [ 71.924058][ T8392] report_bug+0x1bd/0x210 [ 71.928440][ T8392] handle_bug+0x3c/0x60 [ 71.932882][ T8392] exc_invalid_op+0x14/0x40 [ 71.937480][ T8392] asm_exc_invalid_op+0x12/0x20 [ 71.942467][ T8392] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 71.948901][ T8392] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 22 07 ad 04 00 74 01 c3 48 c7 c7 20 92 6b 89 c6 05 11 07 ad 04 01 e8 4c 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 [ 71.968608][ T8392] RSP: 0000:ffffc9000162fac8 EFLAGS: 00010282 [ 71.974679][ T8392] RAX: 0000000000000000 RBX: ffff88802380ac60 RCX: 0000000000000000 [ 71.982670][ T8392] RDX: ffff888014cb1c40 RSI: ffffffff815c3f65 RDI: fffff520002c5f4b [ 71.991274][ T8392] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 [ 71.999417][ T8392] R10: ffffffff815bccfe R11: 0000000000000000 R12: 0000000000000003 [ 72.007519][ T8392] R13: ffffed100470158c R14: 0000000000000001 R15: ffff8880b9c35f40 [ 72.015543][ T8392] ? wake_up_klogd.part.0+0x8e/0xd0 [ 72.020766][ T8392] ? vprintk_func+0x95/0x1e0 [ 72.025363][ T8392] ? warn_bogus_irq_restore+0x1d/0x20 [ 72.031011][ T8392] kvm_wait+0xc9/0xe0 [ 72.035361][ T8392] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 72.041457][ T8392] ? pv_hash+0x100/0x100 [ 72.045710][ T8392] ? lock_release+0x720/0x720 [ 72.050606][ T8392] do_raw_spin_lock+0x200/0x2b0 [ 72.056031][ T8392] ? rwlock_bug.part.0+0x90/0x90 [ 72.061339][ T8392] huge_pmd_set_accessed+0x103/0x320 [ 72.066816][ T8392] ? huge_pud_set_accessed+0x300/0x300 [ 72.072316][ T8392] ? mark_lock+0xef/0x17b0 [ 72.076763][ T8392] ? __lock_acquire+0x16b3/0x54c0 [ 72.081906][ T8392] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 72.088003][ T8392] __handle_mm_fault+0xeeb/0x4f70 [ 72.093081][ T8392] ? vm_iomap_memory+0x190/0x190 [ 72.098148][ T8392] handle_mm_fault+0x1bc/0x7e0 [ 72.103102][ T8392] do_user_addr_fault+0x483/0x1210 [ 72.108249][ T8392] exc_page_fault+0x9e/0x180 [ 72.112864][ T8392] ? asm_exc_page_fault+0x8/0x30 [ 72.117810][ T8392] asm_exc_page_fault+0x1e/0x30 [ 72.122693][ T8392] RIP: 0033:0x59072c [ 72.126584][ T8392] Code: 48 8d 05 c7 3e 3e 00 48 89 44 24 08 e8 6d 54 ea ff 90 e8 07 a1 ed ff eb a5 cc cc cc cc cc 8b 44 24 10 48 8b 4c 24 08 89 41 24 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 8b [ 72.146202][ T8392] RSP: 002b:000000c0002f7778 EFLAGS: 00010202 [ 72.152871][ T8392] RAX: 0000000000004b6e RBX: 0000000000004b6e RCX: 0000000000d77020 [ 72.161438][ T8392] RDX: 0000000000004c00 RSI: 0000000000d77020 RDI: 0000000001823690 [ 72.169934][ T8392] RBP: 000000c0002f7858 R08: 0000000000004b6d R09: 000000000059c5a0 [ 72.178127][ T8392] R10: 000000c0004e0000 R11: 0000000000000020 R12: 00000000000000fa [ 72.186297][ T8392] R13: 00aaaaaaaaaaaaaa R14: 00000000009408d0 R15: 0000000000000038 [ 72.195148][ T8392] Kernel Offset: disabled [ 72.199840][ T8392] Rebooting in 86400 seconds..