Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.87' (ECDSA) to the list of known hosts. 2021/03/25 21:55:20 fuzzer started syzkaller login: [ 70.470953][ T8403] ------------[ cut here ]------------ [ 70.477408][ T8403] raw_local_irq_restore() called with IRQs enabled [ 70.484686][ T8403] WARNING: CPU: 0 PID: 8403 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 70.495459][ T8403] Modules linked in: [ 70.499544][ T8403] CPU: 0 PID: 8403 Comm: syz-fuzzer Not tainted 5.12.0-rc2-syzkaller #0 [ 70.508108][ T8403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.518596][ T8403] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 70.524886][ T8403] 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 [ 70.545015][ T8403] RSP: 0000:ffffc9000153fac8 EFLAGS: 00010282 [ 70.551261][ T8403] RAX: 0000000000000000 RBX: ffff888011c51f60 RCX: 0000000000000000 [ 70.559519][ T8403] RDX: ffff888011838000 RSI: ffffffff815c3c85 RDI: fffff520002a7f4b [ 70.568885][ T8403] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 [ 70.577250][ T8403] R10: ffffffff815bca1e R11: 0000000000000000 R12: 0000000000000003 [ 70.586292][ T8403] R13: ffffed100238a3ec R14: 0000000000000001 R15: ffff8880b9c35f80 [ 70.594516][ T8403] FS: 000000c00002e490(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 70.604088][ T8403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.610757][ T8403] CR2: 000000c000309778 CR3: 0000000013844000 CR4: 00000000001506f0 [ 70.618881][ T8403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.626983][ T8403] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.635095][ T8403] Call Trace: [ 70.638413][ T8403] kvm_wait+0xc9/0xe0 [ 70.642522][ T8403] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 70.648911][ T8403] ? pv_hash+0x100/0x100 [ 70.653220][ T8403] ? lock_release+0x720/0x720 [ 70.658049][ T8403] do_raw_spin_lock+0x200/0x2b0 [ 70.662943][ T8403] ? rwlock_bug.part.0+0x90/0x90 [ 70.668084][ T8403] huge_pmd_set_accessed+0x103/0x320 [ 70.673878][ T8403] ? huge_pud_set_accessed+0x300/0x300 [ 70.679394][ T8403] ? mark_lock+0xef/0x17b0 [ 70.683919][ T8403] ? __lock_acquire+0x16b3/0x54c0 [ 70.688984][ T8403] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 70.695165][ T8403] __handle_mm_fault+0xeeb/0x4f70 [ 70.700253][ T8403] ? vm_iomap_memory+0x190/0x190 [ 70.705532][ T8403] handle_mm_fault+0x1bc/0x7e0 [ 70.710356][ T8403] do_user_addr_fault+0x483/0x1210 [ 70.715592][ T8403] exc_page_fault+0x9e/0x180 [ 70.720323][ T8403] ? asm_exc_page_fault+0x8/0x30 [ 70.725506][ T8403] asm_exc_page_fault+0x1e/0x30 [ 70.730401][ T8403] RIP: 0033:0x59072c [ 70.734403][ T8403] 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 [ 70.754767][ T8403] RSP: 002b:000000c000309778 EFLAGS: 00010202 [ 70.761074][ T8403] RAX: 00000000000025c2 RBX: 00000000000025c2 RCX: 0000000000c3bfe0 [ 70.769137][ T8403] RDX: 0000000000002600 RSI: 0000000000c3bfe0 RDI: 00000000017fdbd0 [ 70.777260][ T8403] RBP: 000000c000309858 R08: 00000000000025c1 R09: 000000000059d0c0 [ 70.785513][ T8403] R10: 000000c00047e000 R11: 0000000000000020 R12: 00000000000000fa [ 70.793724][ T8403] R13: 00aaaaaaaaaaaaaa R14: 00000000009408d0 R15: 0000000000000038 [ 70.801757][ T8403] Kernel panic - not syncing: panic_on_warn set ... [ 70.808529][ T8403] CPU: 0 PID: 8403 Comm: syz-fuzzer Not tainted 5.12.0-rc2-syzkaller #0 [ 70.816867][ T8403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.827530][ T8403] Call Trace: [ 70.831061][ T8403] dump_stack+0x141/0x1d7 [ 70.835688][ T8403] panic+0x306/0x73d [ 70.840076][ T8403] ? __warn_printk+0xf3/0xf3 [ 70.844842][ T8403] ? __warn.cold+0x1a/0x44 [ 70.849643][ T8403] ? warn_bogus_irq_restore+0x1d/0x20 [ 70.855029][ T8403] __warn.cold+0x35/0x44 [ 70.859284][ T8403] ? wake_up_klogd.part.0+0x8e/0xd0 [ 70.864724][ T8403] ? warn_bogus_irq_restore+0x1d/0x20 [ 70.871071][ T8403] report_bug+0x1bd/0x210 [ 70.875545][ T8403] handle_bug+0x3c/0x60 [ 70.879772][ T8403] exc_invalid_op+0x14/0x40 [ 70.884314][ T8403] asm_exc_invalid_op+0x12/0x20 [ 70.889196][ T8403] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 70.895450][ T8403] 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 [ 70.915391][ T8403] RSP: 0000:ffffc9000153fac8 EFLAGS: 00010282 [ 70.921571][ T8403] RAX: 0000000000000000 RBX: ffff888011c51f60 RCX: 0000000000000000 [ 70.929559][ T8403] RDX: ffff888011838000 RSI: ffffffff815c3c85 RDI: fffff520002a7f4b [ 70.937648][ T8403] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 [ 70.945637][ T8403] R10: ffffffff815bca1e R11: 0000000000000000 R12: 0000000000000003 [ 70.953671][ T8403] R13: ffffed100238a3ec R14: 0000000000000001 R15: ffff8880b9c35f80 [ 70.961656][ T8403] ? wake_up_klogd.part.0+0x8e/0xd0 [ 70.966870][ T8403] ? vprintk_func+0x95/0x1e0 [ 70.971473][ T8403] ? warn_bogus_irq_restore+0x1d/0x20 [ 70.976866][ T8403] kvm_wait+0xc9/0xe0 [ 70.980872][ T8403] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 70.986969][ T8403] ? pv_hash+0x100/0x100 [ 70.991361][ T8403] ? lock_release+0x720/0x720 [ 70.996162][ T8403] do_raw_spin_lock+0x200/0x2b0 [ 71.001401][ T8403] ? rwlock_bug.part.0+0x90/0x90 [ 71.006706][ T8403] huge_pmd_set_accessed+0x103/0x320 [ 71.012033][ T8403] ? huge_pud_set_accessed+0x300/0x300 [ 71.017621][ T8403] ? mark_lock+0xef/0x17b0 [ 71.022228][ T8403] ? __lock_acquire+0x16b3/0x54c0 [ 71.027445][ T8403] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.033475][ T8403] __handle_mm_fault+0xeeb/0x4f70 [ 71.038570][ T8403] ? vm_iomap_memory+0x190/0x190 [ 71.043590][ T8403] handle_mm_fault+0x1bc/0x7e0 [ 71.048379][ T8403] do_user_addr_fault+0x483/0x1210 [ 71.053531][ T8403] exc_page_fault+0x9e/0x180 [ 71.058405][ T8403] ? asm_exc_page_fault+0x8/0x30 [ 71.063400][ T8403] asm_exc_page_fault+0x1e/0x30 [ 71.068284][ T8403] RIP: 0033:0x59072c [ 71.072203][ T8403] 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 [ 71.091845][ T8403] RSP: 002b:000000c000309778 EFLAGS: 00010202 [ 71.098103][ T8403] RAX: 00000000000025c2 RBX: 00000000000025c2 RCX: 0000000000c3bfe0 [ 71.106281][ T8403] RDX: 0000000000002600 RSI: 0000000000c3bfe0 RDI: 00000000017fdbd0 [ 71.114267][ T8403] RBP: 000000c000309858 R08: 00000000000025c1 R09: 000000000059d0c0 [ 71.122369][ T8403] R10: 000000c00047e000 R11: 0000000000000020 R12: 00000000000000fa [ 71.130613][ T8403] R13: 00aaaaaaaaaaaaaa R14: 00000000009408d0 R15: 0000000000000038 [ 71.140014][ T8403] Kernel Offset: disabled [ 71.146195][ T8403] Rebooting in 86400 seconds..