[ 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 '10.128.0.102' (ECDSA) to the list of known hosts. syzkaller login: [ 718.083975] IPVS: ftp: loaded support on port[0] = 21 executing program [ 718.195838] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 718.195838] [ 718.206018] ERROR: (device loop0): xtTruncate: XT_GETPAGE: xtree page corrupt [ 718.206018] [ 718.220168] ------------[ cut here ]------------ [ 718.225019] kernel BUG at fs/jfs/super.c:138! [ 718.230733] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 718.236104] Modules linked in: [ 718.239304] CPU: 1 PID: 7997 Comm: syz-executor275 Not tainted 4.14.294-syzkaller #0 [ 718.247211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 718.257203] task: ffff8880b3062300 task.stack: ffff8880b32c8000 [ 718.263268] RIP: 0010:jfs_destroy_inode+0x16f/0x1c0 [ 718.268293] RSP: 0018:ffff8880b32cfb50 EFLAGS: 00010297 [ 718.273731] RAX: ffff8880b3062300 RBX: ffff88808d2e35a8 RCX: 1ffff1101660c576 [ 718.280990] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88808d2e35a8 [ 718.288364] RBP: ffff88808d2e3270 R08: 0000000000000000 R09: 0000000000000001 [ 718.295642] R10: 0000000000000000 R11: ffff8880b3062300 R12: ffff8880b32cfc30 [ 718.302894] R13: ffff88808d2e3750 R14: ffffed1016659f86 R15: ffff88808d2e35a8 [ 718.310155] FS: 0000555556b92300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 718.318363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 718.324228] CR2: 00007f2525ffd1d0 CR3: 00000000afdd6000 CR4: 00000000003406e0 [ 718.331483] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 718.338749] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 718.345999] Call Trace: [ 718.348571] ? jfs_sync_fs+0xa0/0xa0 [ 718.352268] destroy_inode+0xb9/0x110 [ 718.356048] dispose_list+0x109/0x1e0 [ 718.359830] evict_inodes+0x2cd/0x3a0 [ 718.363613] ? dispose_list+0x1e0/0x1e0 [ 718.367586] ? fsnotify_unmount_inodes+0x1b4/0x210 [ 718.372492] generic_shutdown_super+0xb3/0x370 [ 718.377051] kill_block_super+0x95/0xe0 [ 718.381003] deactivate_locked_super+0x6c/0xd0 [ 718.385583] deactivate_super+0x7f/0xa0 [ 718.389535] cleanup_mnt+0x186/0x2c0 [ 718.393227] task_work_run+0x11f/0x190 [ 718.397094] do_exit+0xa44/0x2850 [ 718.400529] ? __do_page_fault+0x571/0xad0 [ 718.404743] ? mm_update_next_owner+0x5b0/0x5b0 [ 718.409391] ? lock_downgrade+0x740/0x740 [ 718.413519] do_group_exit+0x100/0x2e0 [ 718.417386] SyS_exit_group+0x19/0x20 [ 718.421166] ? do_group_exit+0x2e0/0x2e0 [ 718.425205] do_syscall_64+0x1d5/0x640 [ 718.429090] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 718.434274] RIP: 0033:0x7f2525f78699 [ 718.437965] RSP: 002b:00007ffc64861998 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 718.445654] RAX: ffffffffffffffda RBX: 00007f2525ffc330 RCX: 00007f2525f78699 [ 718.452908] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 718.460160] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000000000 [ 718.467409] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2525ffc330 [ 718.474658] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 718.481913] Code: e1 1c ff 4c 89 ef e8 f1 fb eb 04 48 8d bb d0 01 00 00 5b 48 c7 c6 20 67 38 82 5d 41 5c 41 5d 41 5e e9 86 88 0e ff e8 f1 e0 1c ff <0f> 0b 4c 89 e7 e8 37 99 46 ff e9 06 ff ff ff 4c 89 e7 e8 da 9b [ 718.501011] RIP: jfs_destroy_inode+0x16f/0x1c0 RSP: ffff8880b32cfb50 [ 718.509116] ---[ end trace b12234e47b357851 ]--- [ 718.513968] Kernel panic - not syncing: Fatal exception [ 718.519590] Kernel Offset: disabled [ 718.523210] Rebooting in 86400 seconds..