[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.29' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 34.323443] F2FS-fs (loop0): Found nat_bits in checkpoint [ 34.357834] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 34.476875] attempt to access beyond end of device [ 34.482000] loop0: rw=2049, want=57344, limit=40427 [ 34.498127] attempt to access beyond end of device [ 34.503142] loop0: rw=2049, want=53248, limit=40427 [ 34.519387] attempt to access beyond end of device [ 34.524405] loop0: rw=2049, want=61440, limit=40427 [ 34.540797] attempt to access beyond end of device [ 34.545809] loop0: rw=2049, want=65536, limit=40427 [ 34.562173] attempt to access beyond end of device [ 34.567109] loop0: rw=2049, want=69632, limit=40427 [ 34.582494] attempt to access beyond end of device [ 34.587431] loop0: rw=2049, want=73728, limit=40427 [ 34.604456] attempt to access beyond end of device [ 34.609402] loop0: rw=2049, want=77824, limit=40427 [ 34.625437] attempt to access beyond end of device [ 34.630434] loop0: rw=2049, want=85816, limit=40427 [ 34.644869] BUG: unable to handle kernel paging request at ffffed10948fe02e [ 34.651970] PGD 23fff3067 P4D 23fff3067 PUD 0 [ 34.656537] Oops: 0000 [#1] PREEMPT SMP KASAN [ 34.661013] CPU: 1 PID: 8140 Comm: syz-executor112 Not tainted 4.19.211-syzkaller #0 [ 34.668868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 34.678233] RIP: 0010:f2fs_get_dnode_of_data+0x7d8/0x2260 [ 34.683767] Code: fe 45 39 ee 0f 84 fd 13 00 00 e8 03 ca 46 fe e8 fe c9 46 fe 4a 8d 5c a5 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d6 [ 34.702648] RSP: 0018:ffff88809c38f738 EFLAGS: 00010a07 [ 34.707991] RAX: dffffc0000000000 RBX: ffff8884a47f0174 RCX: ffffffff831bcfba [ 34.715242] RDX: 1ffff110948fe02e RSI: ffffffff831bbb72 RDI: 0000000000000001 [ 34.722516] RBP: ffff8880a4bf0168 R08: 0000000000000000 R09: 0000000000000000 [ 34.729779] R10: 0000000000000001 R11: 0000000000000000 R12: 00000000fff00003 [ 34.737035] R13: ffff8880a4bf0168 R14: 0000000000000000 R15: 0000000000000000 [ 34.744325] FS: 00007f200c7cd700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 34.752551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.758413] CR2: ffffed10948fe02e CR3: 00000000a3f74000 CR4: 00000000003406e0 [ 34.765684] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.772949] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.780196] Call Trace: [ 34.782769] ? f2fs_lookup_rb_tree_ret+0x650/0x650 [ 34.787681] ? f2fs_alloc_nid_failed+0x4b0/0x4b0 [ 34.792418] ? last_fsync_dnode+0xd50/0xd50 [ 34.796721] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.801717] ? f2fs_set_node_page_dirty+0x269/0x810 [ 34.806716] __exchange_data_block+0x9bd/0x4820 [ 34.811368] ? punch_hole.part.0+0x230/0x230 [ 34.815756] ? f2fs_ioctl+0x5025/0x83f0 [ 34.819711] f2fs_ioctl+0x5048/0x83f0 [ 34.823495] ? futex_wait_setup+0x300/0x300 [ 34.827811] ? f2fs_precache_extents+0x280/0x280 [ 34.832553] ? __lock_acquire+0x6de/0x3ff0 [ 34.836781] ? kmem_cache_free+0x7f/0x260 [ 34.840909] ? do_futex+0x171/0x1880 [ 34.844603] ? mark_held_locks+0xf0/0xf0 [ 34.848665] ? debug_check_no_obj_freed+0x201/0x490 [ 34.853678] ? futex_exit_release+0x220/0x220 [ 34.858168] ? lock_acquire+0x170/0x3c0 [ 34.862124] ? debug_check_no_obj_freed+0xb5/0x490 [ 34.867050] ? f2fs_precache_extents+0x280/0x280 [ 34.871785] do_vfs_ioctl+0xcdb/0x12e0 [ 34.875657] ? lock_downgrade+0x720/0x720 [ 34.879871] ? check_preemption_disabled+0x41/0x280 [ 34.884866] ? ioctl_preallocate+0x200/0x200 [ 34.889252] ? __fget+0x356/0x510 [ 34.892684] ? do_dup2+0x450/0x450 [ 34.896202] ? __se_sys_futex+0x298/0x3b0 [ 34.900329] ksys_ioctl+0x9b/0xc0 [ 34.903786] __x64_sys_ioctl+0x6f/0xb0 [ 34.907655] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.912223] do_syscall_64+0xf9/0x620 [ 34.916026] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.921193] RIP: 0033:0x7f2013884619 [ 34.924889] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 34.943852] RSP: 002b:00007f200c7cd2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 34.951541] RAX: ffffffffffffffda RBX: 00007f201390e7b0 RCX: 00007f2013884619 [ 34.958788] RDX: 0000000020000100 RSI: 00000000c020f509 RDI: 0000000000000004 [ 34.966036] RBP: 00007f20138db5a8 R08: 0000000000000000 R09: 0000000000000000 [ 34.973284] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e [ 34.980535] R13: 0031656c69662f2e R14: f4ffffff00000000 R15: 00007f201390e7b8 [ 34.987782] Modules linked in: [ 34.990953] CR2: ffffed10948fe02e [ 34.994386] ---[ end trace 64ce36341a1444c2 ]--- [ 34.999123] RIP: 0010:f2fs_get_dnode_of_data+0x7d8/0x2260 [ 35.004639] Code: fe 45 39 ee 0f 84 fd 13 00 00 e8 03 ca 46 fe e8 fe c9 46 fe 4a 8d 5c a5 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d6 [ 35.023520] RSP: 0018:ffff88809c38f738 EFLAGS: 00010a07 [ 35.028859] RAX: dffffc0000000000 RBX: ffff8884a47f0174 RCX: ffffffff831bcfba [ 35.036111] RDX: 1ffff110948fe02e RSI: ffffffff831bbb72 RDI: 0000000000000001 [ 35.043358] RBP: ffff8880a4bf0168 R08: 0000000000000000 R09: 0000000000000000 [ 35.050606] R10: 0000000000000001 R11: 0000000000000000 R12: 00000000fff00003 [ 35.057853] R13: ffff8880a4bf0168 R14: 0000000000000000 R15: 0000000000000000 [ 35.065105] FS: 00007f200c7cd700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 35.073309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.079187] CR2: ffffed10948fe02e CR3: 00000000a3f74000 CR4: 00000000003406e0 [ 35.086465] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.093714] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.100961] Kernel panic - not syncing: Fatal exception [ 35.106515] Kernel Offset: disabled [ 35.110132] Rebooting in 86400 seconds..