[ 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 '10.128.1.97' (ECDSA) to the list of known hosts. syzkaller login: [ 621.808448] IPVS: ftp: loaded support on port[0] = 21 executing program [ 621.930431] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 621.930431] [ 621.939944] ERROR: (device loop0): xtTruncate: XT_GETPAGE: xtree page corrupt [ 621.939944] [ 621.958167] ------------[ cut here ]------------ [ 621.963098] kernel BUG at fs/jfs/super.c:138! [ 621.967998] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 621.973481] CPU: 1 PID: 8084 Comm: syz-executor768 Not tainted 4.19.211-syzkaller #0 [ 621.981361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 621.990767] RIP: 0010:jfs_destroy_inode+0x18d/0x1e0 [ 621.995765] Code: 4c 89 e2 48 c1 ea 03 0f b6 04 02 4c 89 e2 83 e2 07 38 d0 7f 04 84 c0 75 37 c6 83 83 fc ff ff ff e9 16 ff ff ff e8 93 12 f0 fe <0f> 0b 4c 89 e7 e8 29 ed 25 ff e9 e8 fe ff ff 48 89 ef e8 6c ef 25 [ 622.014653] RSP: 0018:ffff8880b3287ab8 EFLAGS: 00010293 [ 622.019999] RAX: ffff8880b0cc65c0 RBX: ffff88808b4045a8 RCX: ffffffff81a93820 [ 622.027244] RDX: 0000000000000000 RSI: ffffffff827272dd RDI: ffff88808b4045a8 [ 622.034503] RBP: ffff88808b404270 R08: 00000000beff0c58 R09: 0000000000000000 [ 622.041770] R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000 [ 622.049023] R13: ffff8880b3287b98 R14: ffff88808b404748 R15: ffff88808b4045a8 [ 622.056269] FS: 0000555555618300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 622.064478] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 622.070363] CR2: 00007f3ade6661d0 CR3: 0000000094f75000 CR4: 00000000003406e0 [ 622.077638] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 622.084978] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 622.092329] Call Trace: [ 622.094901] ? jfs_i_callback+0x20/0x20 [ 622.098880] destroy_inode+0xb9/0x110 [ 622.102663] dispose_list+0x124/0x1f0 [ 622.106443] evict_inodes+0x341/0x430 [ 622.110221] ? dispose_list+0x1f0/0x1f0 [ 622.114194] ? shrink_dcache_for_umount+0x165/0x330 [ 622.119213] generic_shutdown_super+0xb3/0x370 [ 622.123784] kill_block_super+0x97/0xf0 [ 622.127748] deactivate_locked_super+0x94/0x160 [ 622.132404] deactivate_super+0x174/0x1a0 [ 622.136554] ? deactivate_locked_super+0x160/0x160 [ 622.141470] ? dput+0x31/0x640 [ 622.144659] cleanup_mnt+0x1a8/0x290 [ 622.148357] task_work_run+0x148/0x1c0 [ 622.152224] do_exit+0xbf3/0x2be0 [ 622.155657] ? lock_downgrade+0x720/0x720 [ 622.159783] ? mm_update_next_owner+0x650/0x650 [ 622.164431] ? up_read+0x17/0x110 [ 622.167864] ? __do_page_fault+0x180/0xd60 [ 622.172077] do_group_exit+0x125/0x310 [ 622.175958] __x64_sys_exit_group+0x3a/0x50 [ 622.180273] do_syscall_64+0xf9/0x620 [ 622.184062] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 622.189238] RIP: 0033:0x7f3ade5e1699 [ 622.192937] Code: Bad RIP value. [ 622.196278] RSP: 002b:00007ffcfc87ea48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 622.203961] RAX: ffffffffffffffda RBX: 00007f3ade665330 RCX: 00007f3ade5e1699 [ 622.211207] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 622.218462] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000000000 [ 622.225708] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3ade665330 [ 622.232963] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 622.240221] Modules linked in: [ 622.244266] ---[ end trace 83e2c63f8cbc8a3c ]--- [ 622.249036] RIP: 0010:jfs_destroy_inode+0x18d/0x1e0 [ 622.254428] Code: 4c 89 e2 48 c1 ea 03 0f b6 04 02 4c 89 e2 83 e2 07 38 d0 7f 04 84 c0 75 37 c6 83 83 fc ff ff ff e9 16 ff ff ff e8 93 12 f0 fe <0f> 0b 4c 89 e7 e8 29 ed 25 ff e9 e8 fe ff ff 48 89 ef e8 6c ef 25 [ 622.273857] RSP: 0018:ffff8880b3287ab8 EFLAGS: 00010293 [ 622.279208] RAX: ffff8880b0cc65c0 RBX: ffff88808b4045a8 RCX: ffffffff81a93820 [ 622.286516] RDX: 0000000000000000 RSI: ffffffff827272dd RDI: ffff88808b4045a8 [ 622.293833] RBP: ffff88808b404270 R08: 00000000beff0c58 R09: 0000000000000000 [ 622.302228] R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000 [ 622.309488] R13: ffff8880b3287b98 R14: ffff88808b404748 R15: ffff88808b4045a8 [ 622.317277] FS: 0000555555618300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 622.325871] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 622.332275] CR2: 00007f3ab59a3018 CR3: 00000000a0f54000 CR4: 00000000003406f0 [ 622.339552] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 622.347506] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 622.355282] Kernel panic - not syncing: Fatal exception [ 622.360860] Kernel Offset: disabled [ 622.364486] Rebooting in 86400 seconds..