[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.178' (ECDSA) to the list of known hosts. 2021/03/25 18:00:06 fuzzer started 2021/03/25 18:00:07 dialing manager at 10.128.0.169:39543 2021/03/25 18:00:07 syscalls: 1690 2021/03/25 18:00:07 code coverage: enabled 2021/03/25 18:00:07 comparison tracing: enabled 2021/03/25 18:00:07 extra coverage: enabled 2021/03/25 18:00:07 setuid sandbox: enabled 2021/03/25 18:00:07 namespace sandbox: enabled 2021/03/25 18:00:07 Android sandbox: /sys/fs/selinux/policy does not exist 2021/03/25 18:00:07 fault injection: enabled 2021/03/25 18:00:07 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/03/25 18:00:07 net packet injection: enabled 2021/03/25 18:00:07 net device setup: enabled 2021/03/25 18:00:07 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/03/25 18:00:07 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/03/25 18:00:07 USB emulation: enabled 2021/03/25 18:00:07 hci packet injection: enabled 2021/03/25 18:00:07 wifi device emulation: enabled 2021/03/25 18:00:07 802.15.4 emulation: enabled 2021/03/25 18:00:07 fetching corpus: 0, signal 0/2000 (executing program) 2021/03/25 18:00:07 fetching corpus: 50, signal 32306/35765 (executing program) 2021/03/25 18:00:07 fetching corpus: 100, signal 52980/57739 (executing program) 2021/03/25 18:00:08 fetching corpus: 150, signal 60220/66375 (executing program) 2021/03/25 18:00:08 fetching corpus: 200, signal 66773/74240 (executing program) 2021/03/25 18:00:08 fetching corpus: 248, signal 73898/82511 (executing program) 2021/03/25 18:00:09 fetching corpus: 296, signal 78784/88514 (executing program) 2021/03/25 18:00:09 fetching corpus: 346, signal 82877/93729 (executing program) 2021/03/25 18:00:09 fetching corpus: 394, signal 86132/98098 (executing program) 2021/03/25 18:00:10 fetching corpus: 444, signal 91602/104467 (executing program) 2021/03/25 18:00:10 fetching corpus: 494, signal 95105/108968 (executing program) 2021/03/25 18:00:10 fetching corpus: 544, signal 99117/113848 (executing program) 2021/03/25 18:00:10 fetching corpus: 594, signal 102802/118420 (executing program) 2021/03/25 18:00:11 fetching corpus: 644, signal 106071/122587 (executing program) syzkaller login: [ 79.040317][ T8391] ------------[ cut here ]------------ [ 79.047122][ T8391] raw_local_irq_restore() called with IRQs enabled [ 79.057933][ T8391] WARNING: CPU: 0 PID: 8391 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 79.070654][ T8391] Modules linked in: [ 79.075873][ T8391] CPU: 0 PID: 8391 Comm: syz-fuzzer Not tainted 5.12.0-rc2-syzkaller #0 [ 79.084927][ T8391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.095833][ T8391] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 79.104245][ T8391] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 0f e4 ab 04 00 74 01 c3 48 c7 c7 20 92 6b 89 c6 05 fe e3 ab 04 01 e8 8d d0 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 79.131913][ T8391] RSP: 0000:ffffc90000ebfab0 EFLAGS: 00010286 [ 79.138143][ T8391] RAX: 0000000000000000 RBX: ffff8880291253c0 RCX: 0000000000000000 [ 79.146416][ T8391] RDX: ffff88801fba1c40 RSI: ffffffff815c3c85 RDI: fffff520001d7f48 [ 79.155046][ T8391] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 [ 79.165606][ T8391] R10: ffffffff815bca1e R11: 0000000000000000 R12: 0000000000000003 [ 79.174012][ T8391] R13: ffffed1005224a78 R14: 0000000000000001 R15: ffff8880b9c35f80 [ 79.183709][ T8391] FS: 000000000182e750(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 79.194536][ T8391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.202795][ T8391] CR2: 000000c001358044 CR3: 00000000125d7000 CR4: 00000000001506f0 [ 79.212338][ T8391] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.222375][ T8391] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.233667][ T8391] Call Trace: [ 79.238106][ T8391] kvm_wait+0xc9/0xe0 [ 79.246886][ T8391] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 79.255080][ T8391] ? pv_hash+0x100/0x100 [ 79.261872][ T8391] ? lock_release+0x720/0x720 [ 79.267448][ T8391] do_raw_spin_lock+0x200/0x2b0 [ 79.273250][ T8391] ? rwlock_bug.part.0+0x90/0x90 [ 79.278686][ T8391] __migration_entry_wait+0x1d/0x3e0 [ 79.285333][ T8391] do_swap_page+0x1fd6/0x27b0 [ 79.290570][ T8391] ? mark_lock+0xef/0x17b0 [ 79.295259][ T8391] __handle_mm_fault+0x1cad/0x4f70 [ 79.301936][ T8391] ? vm_iomap_memory+0x190/0x190 [ 79.307361][ T8391] handle_mm_fault+0x1bc/0x7e0 [ 79.312692][ T8391] do_user_addr_fault+0x483/0x1210 [ 79.317877][ T8391] exc_page_fault+0x9e/0x180 [ 79.322894][ T8391] ? asm_exc_page_fault+0x8/0x30 [ 79.327997][ T8391] asm_exc_page_fault+0x1e/0x30 [ 79.333527][ T8391] RIP: 0033:0x632497 [ 79.338037][ T8391] Code: 39 c1 0f 86 f5 00 00 00 4f 8d 04 40 4a 8b 4c c3 08 4a 8b 1c c3 41 89 c0 c1 e8 09 23 82 20 08 00 00 48 39 c8 0f 83 ce 00 00 00 <8b> 1c 83 41 89 d9 83 e3 0f 48 39 df 73 0a 48 89 5c 24 38 e9 d2 fe [ 79.359840][ T8391] RSP: 002b:000000c000481a98 EFLAGS: 00010297 [ 79.366162][ T8391] RAX: 0000000000000001 RBX: 000000c001358040 RCX: 0000000000000008 [ 79.374596][ T8391] RDX: 000000c000428850 RSI: 000000c000428000 RDI: 000000000000000f [ 79.386359][ T8391] RBP: 000000c000481ae0 R08: 00000000000023ff R09: 0000000000000104 [ 79.397065][ T8391] R10: 0000000000007015 R11: 0000000000001f4d R12: 000000000000700e [ 79.408089][ T8391] R13: 0000000000002000 R14: 0000000000000008 R15: 0000000000000004 [ 79.416517][ T8391] Kernel panic - not syncing: panic_on_warn set ... [ 79.424014][ T8391] CPU: 0 PID: 8391 Comm: syz-fuzzer Not tainted 5.12.0-rc2-syzkaller #0 [ 79.432974][ T8391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.444505][ T8391] Call Trace: [ 79.448171][ T8391] dump_stack+0x141/0x1d7 [ 79.452806][ T8391] panic+0x306/0x73d [ 79.456771][ T8391] ? __warn_printk+0xf3/0xf3 [ 79.461933][ T8391] ? __warn.cold+0x1a/0x44 [ 79.466590][ T8391] ? warn_bogus_irq_restore+0x1d/0x20 [ 79.472471][ T8391] __warn.cold+0x35/0x44 [ 79.476809][ T8391] ? warn_bogus_irq_restore+0x1d/0x20 [ 79.482546][ T8391] report_bug+0x1bd/0x210 [ 79.487052][ T8391] handle_bug+0x3c/0x60 [ 79.491264][ T8391] exc_invalid_op+0x14/0x40 [ 79.495817][ T8391] asm_exc_invalid_op+0x12/0x20 [ 79.501644][ T8391] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 79.507684][ T8391] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 0f e4 ab 04 00 74 01 c3 48 c7 c7 20 92 6b 89 c6 05 fe e3 ab 04 01 e8 8d d0 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 79.527635][ T8391] RSP: 0000:ffffc90000ebfab0 EFLAGS: 00010286 [ 79.534163][ T8391] RAX: 0000000000000000 RBX: ffff8880291253c0 RCX: 0000000000000000 [ 79.542482][ T8391] RDX: ffff88801fba1c40 RSI: ffffffff815c3c85 RDI: fffff520001d7f48 [ 79.551121][ T8391] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 [ 79.559689][ T8391] R10: ffffffff815bca1e R11: 0000000000000000 R12: 0000000000000003 [ 79.567707][ T8391] R13: ffffed1005224a78 R14: 0000000000000001 R15: ffff8880b9c35f80 [ 79.575718][ T8391] ? wake_up_klogd.part.0+0x8e/0xd0 [ 79.580958][ T8391] ? vprintk_func+0x95/0x1e0 [ 79.585835][ T8391] kvm_wait+0xc9/0xe0 [ 79.590142][ T8391] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 79.596304][ T8391] ? pv_hash+0x100/0x100 [ 79.601366][ T8391] ? lock_release+0x720/0x720 [ 79.606103][ T8391] do_raw_spin_lock+0x200/0x2b0 [ 79.611104][ T8391] ? rwlock_bug.part.0+0x90/0x90 [ 79.616366][ T8391] __migration_entry_wait+0x1d/0x3e0 [ 79.622073][ T8391] do_swap_page+0x1fd6/0x27b0 [ 79.626853][ T8391] ? mark_lock+0xef/0x17b0 [ 79.640962][ T8391] __handle_mm_fault+0x1cad/0x4f70 [ 79.646465][ T8391] ? vm_iomap_memory+0x190/0x190 [ 79.652046][ T8391] handle_mm_fault+0x1bc/0x7e0 [ 79.658114][ T8391] do_user_addr_fault+0x483/0x1210 [ 79.663728][ T8391] exc_page_fault+0x9e/0x180 [ 79.668373][ T8391] ? asm_exc_page_fault+0x8/0x30 [ 79.673801][ T8391] asm_exc_page_fault+0x1e/0x30 [ 79.679976][ T8391] RIP: 0033:0x632497 [ 79.684964][ T8391] Code: 39 c1 0f 86 f5 00 00 00 4f 8d 04 40 4a 8b 4c c3 08 4a 8b 1c c3 41 89 c0 c1 e8 09 23 82 20 08 00 00 48 39 c8 0f 83 ce 00 00 00 <8b> 1c 83 41 89 d9 83 e3 0f 48 39 df 73 0a 48 89 5c 24 38 e9 d2 fe [ 79.718568][ T8391] RSP: 002b:000000c000481a98 EFLAGS: 00010297 [ 79.726952][ T8391] RAX: 0000000000000001 RBX: 000000c001358040 RCX: 0000000000000008 [ 79.738857][ T8391] RDX: 000000c000428850 RSI: 000000c000428000 RDI: 000000000000000f [ 79.749144][ T8391] RBP: 000000c000481ae0 R08: 00000000000023ff R09: 0000000000000104 [ 79.758210][ T8391] R10: 0000000000007015 R11: 0000000000001f4d R12: 000000000000700e [ 79.766668][ T8391] R13: 0000000000002000 R14: 0000000000000008 R15: 0000000000000004 [ 79.776923][ T8391] Kernel Offset: disabled [ 79.783314][ T8391] Rebooting in 86400 seconds..