[ 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 '10.128.0.84' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 229.851004] F2FS-fs (loop0): Found nat_bits in checkpoint [ 229.892614] F2FS-fs (loop0): Failed to initialize F2FS segment manager executing program executing program [ 230.271919] F2FS-fs (loop0): Found nat_bits in checkpoint [ 230.311001] F2FS-fs (loop0): Failed to initialize F2FS segment manager executing program executing program [ 230.682143] F2FS-fs (loop0): Found nat_bits in checkpoint [ 230.722145] F2FS-fs (loop0): Failed to initialize F2FS segment manager executing program executing program [ 230.995713] F2FS-fs (loop0): Found nat_bits in checkpoint [ 231.033961] F2FS-fs (loop0): Failed to initialize F2FS segment manager executing program [ 231.291383] F2FS-fs (loop0): Found nat_bits in checkpoint [ 231.330369] F2FS-fs (loop0): Failed to initialize F2FS segment manager executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 234.867782] f2fs_msg: 22 callbacks suppressed [ 234.867841] F2FS-fs (loop0): Found nat_bits in checkpoint [ 234.907492] F2FS-fs (loop0): Failed to initialize F2FS segment manager executing program executing program executing program [ 235.179661] F2FS-fs (loop0): Found nat_bits in checkpoint [ 235.211067] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 executing program executing program executing program executing program [ 235.745286] F2FS-fs (loop0): Found nat_bits in checkpoint [ 235.784385] F2FS-fs (loop0): Failed to initialize F2FS segment manager [ 235.849646] attempt to access beyond end of device [ 235.854817] loop0: rw=12288, want=12296, limit=8509 [ 235.859983] attempt to access beyond end of device [ 235.865535] loop0: rw=12288, want=12296, limit=8509 [ 235.870748] attempt to access beyond end of device [ 235.876134] loop0: rw=12288, want=12296, limit=8509 [ 235.881289] attempt to access beyond end of device [ 235.886922] loop0: rw=12288, want=12296, limit=8509 [ 235.892512] attempt to access beyond end of device [ 235.897465] loop0: rw=12288, want=12296, limit=8509 [ 235.902958] attempt to access beyond end of device [ 235.907903] loop0: rw=12288, want=12296, limit=8509 [ 235.913753] attempt to access beyond end of device [ 235.918690] loop0: rw=12288, want=12296, limit=8509 [ 235.924108] attempt to access beyond end of device [ 235.929037] loop0: rw=12288, want=12296, limit=8509 [ 235.934425] attempt to access beyond end of device [ 235.939353] loop0: rw=12288, want=12296, limit=8509 [ 235.944722] attempt to access beyond end of device [ 235.949654] loop0: rw=12288, want=12296, limit=8509 [ 235.955279] ------------[ cut here ]------------ [ 235.960023] kernel BUG at fs/f2fs/checkpoint.c:127! [ 235.965375] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 235.970739] CPU: 0 PID: 8493 Comm: syz-executor366 Not tainted 4.19.211-syzkaller #0 [ 235.978605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 235.987957] RIP: 0010:f2fs_get_meta_page_nofail+0x12d/0x150 [ 235.993651] Code: e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 75 23 83 8b 84 00 00 00 08 4c 89 e6 4c 89 ef e8 3b d2 03 05 48 89 ef e8 f3 a7 02 00 <0f> 0b e8 1c e4 82 fe eb 80 be 04 00 00 00 e8 00 e8 82 fe eb d1 66 [ 236.012533] RSP: 0018:ffff8880944d7880 EFLAGS: 00010293 [ 236.017874] RAX: ffff88809fd62340 RBX: ffff8880a1196180 RCX: ffffffff831805c1 [ 236.025123] RDX: 0000000000000000 RSI: ffffffff83157e3d RDI: 0000000000000005 [ 236.032373] RBP: ffff8880a0300880 R08: ffffffff8cd1b3e0 R09: 0000000000000001 [ 236.039640] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000286 [ 236.046889] R13: ffff8880a0300d78 R14: 0000000000000080 R15: dffffc0000000000 [ 236.054140] FS: 00007fdb9cc2b700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 236.062345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 236.068203] CR2: 000055aa75f70988 CR3: 00000000a89b3000 CR4: 00000000003406f0 [ 236.078590] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 236.085842] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 236.093087] Call Trace: [ 236.095659] f2fs_build_segment_manager+0x5e97/0xad90 [ 236.100832] ? f2fs_flush_sit_entries+0x33a0/0x33a0 [ 236.105827] ? map_id_range_down+0x1c4/0x340 [ 236.110219] ? __lockdep_init_map+0x100/0x5a0 [ 236.114778] ? __lockdep_init_map+0x100/0x5a0 [ 236.119254] f2fs_fill_super+0x31d9/0x7050 [ 236.123473] ? snprintf+0xbb/0xf0 [ 236.126903] ? f2fs_commit_super+0x400/0x400 [ 236.131311] ? wait_for_completion_io+0x10/0x10 [ 236.135971] ? set_blocksize+0x163/0x3f0 [ 236.140015] mount_bdev+0x2fc/0x3b0 [ 236.143619] ? f2fs_commit_super+0x400/0x400 [ 236.148002] mount_fs+0xa3/0x310 [ 236.151348] vfs_kern_mount.part.0+0x68/0x470 [ 236.155827] do_mount+0x115c/0x2f50 [ 236.159446] ? __do_page_fault+0x180/0xd60 [ 236.163661] ? copy_mount_string+0x40/0x40 [ 236.167873] ? copy_mount_options+0x1cd/0x380 [ 236.172356] ? copy_mount_options+0x1da/0x380 [ 236.176828] ? copy_mount_options+0x1e9/0x380 [ 236.181302] ? copy_mount_options+0x26f/0x380 [ 236.185776] ksys_mount+0xcf/0x130 [ 236.189297] __x64_sys_mount+0xba/0x150 [ 236.193265] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 236.197824] do_syscall_64+0xf9/0x620 [ 236.201602] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 236.206769] RIP: 0033:0x7fdb9cc80aba [ 236.210473] Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 236.229352] RSP: 002b:00007fdb9cc2b168 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 236.237037] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdb9cc80aba [ 236.244282] RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007fdb9cc2b180 [ 236.251529] RBP: 0000000000000045 R08: 00007fdb9cc2b1c0 R09: 0000000000000000 [ 236.258775] R10: 0000000000000000 R11: 0000000000000286 R12: 00007fdb9cc2b6b8 [ 236.266023] R13: 00007fdb9cc2b180 R14: 00007fdb9cc2b1c0 R15: 0000000000000000 [ 236.273274] Modules linked in: [ 236.277729] ---[ end trace 6d2b397519890e0a ]--- [ 236.282625] RIP: 0010:f2fs_get_meta_page_nofail+0x12d/0x150 [ 236.288344] Code: e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 75 23 83 8b 84 00 00 00 08 4c 89 e6 4c 89 ef e8 3b d2 03 05 48 89 ef e8 f3 a7 02 00 <0f> 0b e8 1c e4 82 fe eb 80 be 04 00 00 00 e8 00 e8 82 fe eb d1 66 [ 236.307478] RSP: 0018:ffff8880944d7880 EFLAGS: 00010293 [ 236.313035] RAX: ffff88809fd62340 RBX: ffff8880a1196180 RCX: ffffffff831805c1 [ 236.320299] RDX: 0000000000000000 RSI: ffffffff83157e3d RDI: 0000000000000005 [ 236.327794] RBP: ffff8880a0300880 R08: ffffffff8cd1b3e0 R09: 0000000000000001 [ 236.335221] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000286 [ 236.342670] R13: ffff8880a0300d78 R14: 0000000000000080 R15: dffffc0000000000 [ 236.349937] FS: 00007fdb9cc2b700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 236.358461] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 236.364519] CR2: 000055aa75f70988 CR3: 00000000a89b3000 CR4: 00000000003406f0 [ 236.371774] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 236.379239] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 236.386697] Kernel panic - not syncing: Fatal exception [ 236.392219] Kernel Offset: disabled [ 236.395831] Rebooting in 86400 seconds..