[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.118' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 40.556600] ====================================================== [ 40.556600] WARNING: the mand mount option is being deprecated and [ 40.556600] will be removed in v5.15! [ 40.556600] ====================================================== [ 40.581037] JFS: discard option not supported on device executing program executing program [ 40.726397] JFS: discard option not supported on device executing program [ 40.842454] JFS: discard option not supported on device [ 40.969209] JFS: discard option not supported on device executing program [ 41.134950] JFS: discard option not supported on device executing program [ 41.305251] JFS: discard option not supported on device executing program [ 41.474569] JFS: discard option not supported on device executing program executing program [ 41.655158] JFS: discard option not supported on device [ 41.769145] JFS: discard option not supported on device executing program executing program [ 41.926395] JFS: discard option not supported on device executing program [ 42.026892] JFS: discard option not supported on device [ 42.128304] JFS: discard option not supported on device executing program executing program [ 42.283547] JFS: discard option not supported on device executing program [ 42.389167] JFS: discard option not supported on device executing program [ 42.501026] JFS: discard option not supported on device [ 42.613350] JFS: discard option not supported on device executing program [ 42.775820] JFS: discard option not supported on device executing program executing program [ 42.942791] JFS: discard option not supported on device [ 43.048051] JFS: discard option not supported on device executing program executing program [ 43.219073] JFS: discard option not supported on device executing program [ 43.327386] JFS: discard option not supported on device executing program [ 43.435996] JFS: discard option not supported on device [ 43.538853] JFS: discard option not supported on device executing program [ 43.706526] JFS: discard option not supported on device executing program [ 43.874083] JFS: discard option not supported on device executing program executing program [ 44.043681] JFS: discard option not supported on device executing program [ 44.151413] JFS: discard option not supported on device [ 44.265684] JFS: discard option not supported on device executing program [ 44.472462] JFS: discard option not supported on device executing program executing program [ 44.623298] JFS: discard option not supported on device executing program [ 44.732771] JFS: discard option not supported on device executing program [ 44.844339] JFS: discard option not supported on device executing program [ 44.960069] JFS: discard option not supported on device executing program [ 45.077128] JFS: discard option not supported on device [ 45.205757] JFS: discard option not supported on device executing program executing program [ 45.370279] JFS: discard option not supported on device executing program [ 45.477402] JFS: discard option not supported on device executing program [ 45.584214] JFS: discard option not supported on device [ 45.687520] JFS: discard option not supported on device executing program [ 45.845758] JFS: discard option not supported on device executing program [ 46.005624] JFS: discard option not supported on device executing program [ 46.172337] JFS: discard option not supported on device executing program executing program [ 46.343400] JFS: discard option not supported on device [ 46.446770] JFS: discard option not supported on device executing program executing program [ 46.601891] JFS: discard option not supported on device executing program [ 46.709309] JFS: discard option not supported on device [ 46.806581] JFS: discard option not supported on device executing program executing program [ 46.960777] JFS: discard option not supported on device [ 47.073115] JFS: discard option not supported on device executing program [ 47.225767] JFS: discard option not supported on device executing program [ 47.395747] JFS: discard option not supported on device executing program executing program [ 47.552988] JFS: discard option not supported on device [ 47.656529] JFS: discard option not supported on device executing program executing program [ 47.831984] JFS: discard option not supported on device [ 47.934592] JFS: discard option not supported on device executing program [ 48.086740] JFS: discard option not supported on device executing program [ 48.247442] JFS: discard option not supported on device [ 48.258998] kasan: CONFIG_KASAN_INLINE enabled [ 48.263726] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 48.275036] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 48.281283] CPU: 1 PID: 8117 Comm: syz-executor118 Not tainted 4.19.211-syzkaller #0 [ 48.289152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 48.298491] RIP: 0010:lbmStartIO+0x12b/0x480 [ 48.302876] Code: c1 ea 03 80 3c 02 00 0f 85 f5 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6c 24 20 49 8d bd e0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ef 02 00 00 4d 8b ad e0 00 00 00 4d 39 ee 74 67 [ 48.321933] RSP: 0018:ffff88809274fa70 EFLAGS: 00010202 [ 48.327366] RAX: dffffc0000000000 RBX: ffff8880b52c8b00 RCX: 0000000000000003 [ 48.334620] RDX: 000000000000001c RSI: ffffffff835f37ea RDI: 00000000000000e0 [ 48.341872] RBP: ffff8880a09e0640 R08: 0000000000000001 R09: 0000000000000000 [ 48.349117] R10: 0000000000000005 R11: 0000000000000000 R12: ffff88809501d680 [ 48.356361] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 48.363608] FS: 000055555751c300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 48.371809] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.377664] CR2: 0000555557525628 CR3: 00000000aec44000 CR4: 00000000003406e0 [ 48.384911] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.392158] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.399498] Call Trace: [ 48.402068] lbmWrite+0x27b/0x3a0 [ 48.405502] lmNextPage.isra.0+0x285/0x740 [ 48.409716] lmWriteRecord+0x94a/0xee0 [ 48.413581] ? mark_held_locks+0xa6/0xf0 [ 48.417617] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 48.422702] lmLogSync+0x154/0x6e0 [ 48.426219] ? lmWriteRecord+0xee0/0xee0 [ 48.430259] ? dqput+0x30/0x30 [ 48.433433] jfs_syncpt+0x78/0x90 [ 48.436865] jfs_sync_fs+0x80/0xa0 [ 48.440381] ? jfs_statfs+0x5a0/0x5a0 [ 48.444158] sync_filesystem+0x105/0x250 [ 48.448197] generic_shutdown_super+0x70/0x370 [ 48.452758] kill_block_super+0x97/0xf0 [ 48.456712] deactivate_locked_super+0x94/0x160 [ 48.461446] deactivate_super+0x174/0x1a0 [ 48.465572] ? deactivate_locked_super+0x160/0x160 [ 48.470478] ? dput+0x31/0x640 [ 48.473647] cleanup_mnt+0x1a8/0x290 [ 48.477346] task_work_run+0x148/0x1c0 [ 48.481214] exit_to_usermode_loop+0x251/0x2a0 [ 48.485771] do_syscall_64+0x538/0x620 [ 48.489662] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.494827] RIP: 0033:0x7f5f4d187cb7 [ 48.498522] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 48.517400] RSP: 002b:00007fff4f3d6a28 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 48.525083] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5f4d187cb7 [ 48.532608] RDX: 00007fff4f3d6aea RSI: 000000000000000a RDI: 00007fff4f3d6ae0 [ 48.539858] RBP: 00007fff4f3d6ae0 R08: 00000000ffffffff R09: 00007fff4f3d68c0 [ 48.547124] R10: 000055555751d683 R11: 0000000000000206 R12: 00007fff4f3d7b50 [ 48.554371] R13: 000055555751d5f0 R14: 00007fff4f3d6a50 R15: 0000000000000039 [ 48.561626] Modules linked in: [ 48.574516] ---[ end trace 0141cc22bdcec55a ]--- [ 48.579276] RIP: 0010:lbmStartIO+0x12b/0x480 [ 48.583665] Code: c1 ea 03 80 3c 02 00 0f 85 f5 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6c 24 20 49 8d bd e0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ef 02 00 00 4d 8b ad e0 00 00 00 4d 39 ee 74 67 [ 48.604009] RSP: 0018:ffff88809274fa70 EFLAGS: 00010202 [ 48.609372] RAX: dffffc0000000000 RBX: ffff8880b52c8b00 RCX: 0000000000000003 [ 48.616666] RDX: 000000000000001c RSI: ffffffff835f37ea RDI: 00000000000000e0 [ 48.623934] RBP: ffff8880a09e0640 R08: 0000000000000001 R09: 0000000000000000 [ 48.631344] R10: 0000000000000005 R11: 0000000000000000 R12: ffff88809501d680 [ 48.638659] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 48.645974] FS: 000055555751c300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 48.654217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.660091] CR2: 0000556fd11a1160 CR3: 00000000aec44000 CR4: 00000000003406f0 [ 48.667644] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.674938] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.682193] Kernel panic - not syncing: Fatal exception [ 48.687719] Kernel Offset: disabled [ 48.691331] Rebooting in 86400 seconds..