Warning: Permanently added '10.128.0.186' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 35.604774] JFS: discard option not supported on device executing program executing program [ 35.711744] JFS: discard option not supported on device executing program [ 35.777672] JFS: discard option not supported on device executing program [ 35.855145] JFS: discard option not supported on device [ 35.923275] JFS: discard option not supported on device executing program [ 36.016574] JFS: discard option not supported on device executing program [ 36.112132] JFS: discard option not supported on device executing program [ 36.221307] JFS: discard option not supported on device executing program [ 36.320406] JFS: discard option not supported on device executing program executing program [ 36.426186] JFS: discard option not supported on device executing program [ 36.502270] JFS: discard option not supported on device [ 36.571458] JFS: discard option not supported on device executing program executing program [ 36.664949] JFS: discard option not supported on device [ 36.722287] JFS: discard option not supported on device executing program [ 36.817314] JFS: discard option not supported on device executing program executing program [ 36.926704] JFS: discard option not supported on device executing program [ 36.991958] JFS: discard option not supported on device executing program [ 37.060960] JFS: discard option not supported on device executing program [ 37.116022] JFS: discard option not supported on device executing program [ 37.186215] JFS: discard option not supported on device executing program [ 37.254547] JFS: discard option not supported on device executing program [ 37.323643] JFS: discard option not supported on device [ 37.394716] JFS: discard option not supported on device executing program executing program [ 37.508218] JFS: discard option not supported on device executing program [ 37.561543] JFS: discard option not supported on device executing program [ 37.606566] JFS: discard option not supported on device executing program [ 37.685782] JFS: discard option not supported on device executing program [ 37.753120] JFS: discard option not supported on device [ 37.825889] JFS: discard option not supported on device executing program [ 37.930612] JFS: discard option not supported on device executing program executing program [ 38.039928] JFS: discard option not supported on device executing program [ 38.096068] JFS: discard option not supported on device executing program [ 38.162755] JFS: discard option not supported on device executing program [ 38.221073] JFS: discard option not supported on device executing program [ 38.281288] JFS: discard option not supported on device executing program [ 38.336351] JFS: discard option not supported on device executing program [ 38.401031] JFS: discard option not supported on device [ 38.449970] JFS: discard option not supported on device executing program executing program [ 38.546402] JFS: discard option not supported on device executing program [ 38.605819] JFS: discard option not supported on device executing program [ 38.658090] JFS: discard option not supported on device [ 38.715563] JFS: discard option not supported on device executing program executing program [ 38.812323] JFS: discard option not supported on device [ 38.890905] JFS: discard option not supported on device executing program [ 38.991025] JFS: discard option not supported on device executing program [ 39.091267] JFS: discard option not supported on device executing program executing program [ 39.189258] JFS: discard option not supported on device executing program [ 39.246281] JFS: discard option not supported on device executing program [ 39.321353] JFS: discard option not supported on device executing program [ 39.389360] JFS: discard option not supported on device executing program [ 39.446195] JFS: discard option not supported on device executing program [ 39.522243] JFS: discard option not supported on device executing program [ 39.594131] JFS: discard option not supported on device executing program [ 39.665343] JFS: discard option not supported on device executing program [ 39.750326] JFS: discard option not supported on device executing program [ 39.807047] JFS: discard option not supported on device [ 39.892046] JFS: discard option not supported on device [ 39.923719] kasan: CONFIG_KASAN_INLINE enabled [ 39.928461] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 39.938222] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 39.944465] Modules linked in: [ 39.947763] CPU: 1 PID: 7995 Comm: syz-executor202 Not tainted 4.14.304-syzkaller #0 [ 39.955885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 39.965417] task: ffff8880b5356280 task.stack: ffff8880b3710000 [ 39.971453] RIP: 0010:lbmStartIO+0x14a/0x490 [ 39.975835] RSP: 0000:ffff8880b3717af8 EFLAGS: 00010202 [ 39.981215] RAX: dffffc0000000000 RBX: ffff8880ac1dae00 RCX: 0000000000000003 [ 39.988469] RDX: 000000000000001c RSI: 0000000000000000 RDI: 00000000000000e0 [ 39.995721] RBP: ffff888090b66ac0 R08: 0000000000000001 R09: ffff888090b66ac0 [ 40.003252] R10: ffff888090b66b47 R11: 0000000000000000 R12: ffff8880b40dadc0 [ 40.010665] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 40.018095] FS: 0000555556d98300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 40.026414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.032280] CR2: 00007f1670c00000 CR3: 00000000aa408000 CR4: 00000000003406e0 [ 40.039705] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.047042] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.054285] Call Trace: [ 40.056855] lbmWrite+0x254/0x380 [ 40.060301] lmNextPage.isra.0+0x263/0x700 [ 40.064564] lmWriteRecord+0x8b2/0xe30 [ 40.068433] ? mark_held_locks+0xa6/0xf0 [ 40.072468] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 40.077546] lmLogSync+0x126/0x660 [ 40.081061] ? lmWriteRecord+0xe30/0xe30 [ 40.085095] ? dqput+0x30/0x30 [ 40.088259] jfs_syncpt+0x66/0x70 [ 40.091694] jfs_sync_fs+0x80/0xa0 [ 40.095205] ? jfs_statfs+0x510/0x510 [ 40.099008] sync_filesystem+0xe2/0x230 [ 40.102955] generic_shutdown_super+0x70/0x370 [ 40.107509] kill_block_super+0x95/0xe0 [ 40.111457] deactivate_locked_super+0x6c/0xd0 [ 40.116012] deactivate_super+0x7f/0xa0 [ 40.119963] cleanup_mnt+0x186/0x2c0 [ 40.123650] task_work_run+0x11f/0x190 [ 40.127626] exit_to_usermode_loop+0x1ad/0x200 [ 40.132197] do_syscall_64+0x4a3/0x640 [ 40.136078] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 40.141245] RIP: 0033:0x7f1678b03d17 [ 40.144928] RSP: 002b:00007ffe37b206b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 40.152606] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1678b03d17 [ 40.159862] RDX: 00007ffe37b2077a RSI: 000000000000000a RDI: 00007ffe37b20770 [ 40.167113] RBP: 00007ffe37b20770 R08: 00000000ffffffff R09: 00007ffe37b20550 [ 40.174372] R10: 0000555556d99683 R11: 0000000000000206 R12: 00007ffe37b217e0 [ 40.181615] R13: 0000555556d995f0 R14: 00007ffe37b206e0 R15: 0000000000000039 [ 40.188860] Code: 48 c1 ea 03 80 3c 02 00 0f 85 06 03 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 d5 02 00 00 4d 8b ad e0 00 00 00 4d 39 ee 74 [ 40.207936] RIP: lbmStartIO+0x14a/0x490 RSP: ffff8880b3717af8 [ 40.214973] ---[ end trace 8feebd0cc1dd7d3c ]--- [ 40.219777] Kernel panic - not syncing: Fatal exception [ 40.225343] Kernel Offset: disabled [ 40.228952] Rebooting in 86400 seconds..