[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.29' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 417.634926] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 417.634926] [ 417.644211] kasan: CONFIG_KASAN_INLINE enabled [ 417.651300] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 417.660675] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 417.666914] CPU: 1 PID: 8119 Comm: syz-executor368 Not tainted 4.19.211-syzkaller #0 [ 417.674805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 417.684160] RIP: 0010:diFree+0x167/0x29c0 [ 417.688284] Code: 8b 44 24 10 48 8b 68 80 48 8b 44 24 18 4c 8d 6d 04 48 c1 e8 0c 4c 89 ea 48 c1 ea 03 48 89 04 24 48 b8 00 00 00 00 00 fc ff df <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 fb [ 417.707159] RSP: 0018:ffff88808cd3f930 EFLAGS: 00010247 [ 417.712498] RAX: dffffc0000000000 RBX: ffff8880a531abc0 RCX: ffffffff8272bf79 [ 417.719743] RDX: 0000000000000000 RSI: ffffffff8274e8b2 RDI: ffff88808ac5f468 [ 417.726997] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 417.734245] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88808ac5f4e8 [ 417.741490] R13: 0000000000000004 R14: ffffffff889adf80 R15: ffff888097086df8 [ 417.748738] FS: 0000555556ff4300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 417.756938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 417.762813] CR2: 00007fa4caebef80 CR3: 00000000b48dd000 CR4: 00000000003406e0 [ 417.770074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 417.777328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 417.784574] Call Trace: [ 417.787170] ? mark_held_locks+0xf0/0xf0 [ 417.791222] ? do_syscall_64+0xf9/0x620 [ 417.795232] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 417.800602] ? do_read_cache_page+0xfe/0x1170 [ 417.805096] ? lock_acquire+0x170/0x3c0 [ 417.809079] ? __dquot_initialize+0x298/0xb70 [ 417.813569] ? pagevec_lookup_range_tag+0x3b/0x80 [ 417.818416] ? __inode_wait_for_writeback+0x184/0x1f0 [ 417.823601] ? dquot_initialize_needed+0x290/0x290 [ 417.828524] ? diWrite+0x13c0/0x13c0 [ 417.832235] ? lock_downgrade+0x720/0x720 [ 417.836369] jfs_evict_inode+0x1a1/0x210 [ 417.840415] ? jfs_write_inode+0x1d0/0x1d0 [ 417.844686] evict+0x2ed/0x760 [ 417.847860] iput+0x4f1/0x860 [ 417.850947] diFreeSpecial+0x63/0x80 [ 417.854639] jfs_mount+0x215/0x3d0 [ 417.858155] jfs_fill_super+0x55c/0xb50 [ 417.862108] ? parse_options+0xe70/0xe70 [ 417.866175] ? set_blocksize+0x163/0x3f0 [ 417.870232] mount_bdev+0x2fc/0x3b0 [ 417.873838] ? parse_options+0xe70/0xe70 [ 417.877875] mount_fs+0xa3/0x310 [ 417.881222] vfs_kern_mount.part.0+0x68/0x470 [ 417.885695] do_mount+0x115c/0x2f50 [ 417.889301] ? lock_acquire+0x170/0x3c0 [ 417.893304] ? check_preemption_disabled+0x41/0x280 [ 417.898298] ? copy_mount_string+0x40/0x40 [ 417.902510] ? copy_mount_options+0x59/0x380 [ 417.906920] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 417.911931] ? kmem_cache_alloc_trace+0x323/0x380 [ 417.916753] ? copy_mount_options+0x26f/0x380 [ 417.921228] ksys_mount+0xcf/0x130 [ 417.924746] __x64_sys_mount+0xba/0x150 [ 417.928701] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 417.933261] do_syscall_64+0xf9/0x620 [ 417.937048] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 417.942218] RIP: 0033:0x7f89c6ba920a [ 417.945911] Code: 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 49 89 ca b8 a5 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 [ 417.964789] RSP: 002b:00007ffc0ac36528 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 417.972472] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f89c6ba920a [ 417.979719] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffc0ac36540 [ 417.986976] RBP: 00007ffc0ac36540 R08: 00007ffc0ac36580 R09: 0000555556ff42c0 [ 417.994221] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 418.001466] R13: 00007ffc0ac36580 R14: 0000000000000357 R15: 0000000020005228 [ 418.008719] Modules linked in: [ 418.018182] ---[ end trace f794066fe363165a ]--- [ 418.022957] RIP: 0010:diFree+0x167/0x29c0 [ 418.027103] Code: 8b 44 24 10 48 8b 68 80 48 8b 44 24 18 4c 8d 6d 04 48 c1 e8 0c 4c 89 ea 48 c1 ea 03 48 89 04 24 48 b8 00 00 00 00 00 fc ff df <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 fb [ 418.047039] RSP: 0018:ffff88808cd3f930 EFLAGS: 00010247 [ 418.052436] RAX: dffffc0000000000 RBX: ffff8880a531abc0 RCX: ffffffff8272bf79 [ 418.059760] RDX: 0000000000000000 RSI: ffffffff8274e8b2 RDI: ffff88808ac5f468 [ 418.067017] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 418.074305] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88808ac5f4e8 [ 418.081651] R13: 0000000000000004 R14: ffffffff889adf80 R15: ffff888097086df8 [ 418.088947] FS: 0000555556ff4300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 418.097166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 418.103080] CR2: 000055d99c373eb0 CR3: 00000000b48dd000 CR4: 00000000003406f0 [ 418.110402] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 418.117653] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 418.124966] Kernel panic - not syncing: Fatal exception [ 418.130492] Kernel Offset: disabled [ 418.134101] Rebooting in 86400 seconds..