Warning: Permanently added '10.128.1.81' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.823267] F2FS-fs (loop0): Invalid blocksize (65536), supports only 4KB [ 32.823267] [ 32.832220] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 32.845901] F2FS-fs (loop0): invalid crc value [ 32.852888] F2FS-fs (loop0): Found nat_bits in checkpoint [ 32.876229] attempt to access beyond end of device [ 32.881203] loop0: rw=8192, want=36920, limit=36912 [ 32.886509] kasan: CONFIG_KASAN_INLINE enabled [ 32.891143] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 32.898603] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 32.904831] CPU: 0 PID: 8108 Comm: syz-executor802 Not tainted 4.19.211-syzkaller #0 [ 32.912686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 32.922024] RIP: 0010:f2fs_recover_fsync_data+0x107e/0x7e50 [ 32.927712] Code: fe 48 83 3c 24 00 0f 84 c6 01 00 00 e8 fb c0 42 fe 48 8b 04 24 48 8d 68 08 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 1d 6a 00 00 4c 8b 24 24 31 ff 49 8b 5c 24 08 49 [ 32.946588] RSP: 0018:ffff88809b8ff790 EFLAGS: 00010246 [ 32.951928] RAX: dffffc0000000000 RBX: fffffffffffffffb RCX: ffffffff831fb8c4 [ 32.959173] RDX: 0000000000000000 RSI: ffffffff831fc475 RDI: 0000000000000007 [ 32.966418] RBP: 0000000000000003 R08: 0000000000000001 R09: fffffffffffff000 [ 32.973668] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000008 [ 32.980917] R13: 00000000fffffffb R14: ffff8880a309de40 R15: dffffc0000000000 [ 32.988165] FS: 0000555556fd8300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 32.996368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.002225] CR2: 00005634b46bd970 CR3: 00000000a5947000 CR4: 00000000003406f0 [ 33.009476] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.016770] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.024018] Call Trace: [ 33.026593] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 33.031679] ? proc_register+0x588/0x700 [ 33.035718] ? lock_downgrade+0x720/0x720 [ 33.039847] ? lock_acquire+0x170/0x3c0 [ 33.043800] ? f2fs_space_for_roll_forward+0xc0/0xc0 [ 33.048882] ? _raw_write_unlock+0x29/0x40 [ 33.053098] ? proc_register+0x468/0x700 [ 33.057147] ? dirty_segments_show+0x220/0x220 [ 33.061709] ? f2fs_recover_orphan_inodes+0x847/0x11a0 [ 33.066964] ? proc_create_single_data+0xe3/0x130 [ 33.071785] ? proc_create_seq_private+0x180/0x180 [ 33.076692] ? f2fs_remove_orphan_inode+0x20/0x20 [ 33.081512] f2fs_fill_super+0x386f/0x7050 [ 33.085735] ? snprintf+0xbb/0xf0 [ 33.089165] ? f2fs_commit_super+0x400/0x400 [ 33.093567] ? wait_for_completion_io+0x10/0x10 [ 33.098218] ? set_blocksize+0x163/0x3f0 [ 33.102257] mount_bdev+0x2fc/0x3b0 [ 33.105862] ? f2fs_commit_super+0x400/0x400 [ 33.110248] mount_fs+0xa3/0x310 [ 33.113596] vfs_kern_mount.part.0+0x68/0x470 [ 33.118069] do_mount+0x115c/0x2f50 [ 33.121676] ? lock_acquire+0x170/0x3c0 [ 33.125628] ? check_preemption_disabled+0x41/0x280 [ 33.130622] ? copy_mount_string+0x40/0x40 [ 33.134835] ? copy_mount_options+0x59/0x380 [ 33.139223] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 33.144217] ? kmem_cache_alloc_trace+0x323/0x380 [ 33.149038] ? copy_mount_options+0x26f/0x380 [ 33.153531] ksys_mount+0xcf/0x130 [ 33.157058] __x64_sys_mount+0xba/0x150 [ 33.161020] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 33.165584] do_syscall_64+0xf9/0x620 [ 33.169371] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.174539] RIP: 0033:0x7f7a200ababa [ 33.178231] 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 [ 33.197122] RSP: 002b:00007fff893e64a8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 33.204807] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7a200ababa [ 33.212054] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fff893e64c0 [ 33.219312] RBP: 00007fff893e64c0 R08: 00007fff893e6500 R09: 0000555556fd82c0 [ 33.226561] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 33.233808] R13: 00007fff893e6500 R14: 000000000000003a R15: 0000000020000770 [ 33.241057] Modules linked in: [ 33.244684] ---[ end trace 53bd8f3a59322f76 ]--- [ 33.249445] RIP: 0010:f2fs_recover_fsync_data+0x107e/0x7e50 [ 33.255207] Code: fe 48 83 3c 24 00 0f 84 c6 01 00 00 e8 fb c0 42 fe 48 8b 04 24 48 8d 68 08 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 1d 6a 00 00 4c 8b 24 24 31 ff 49 8b 5c 24 08 49 [ 33.274172] RSP: 0018:ffff88809b8ff790 EFLAGS: 00010246 [ 33.279522] RAX: dffffc0000000000 RBX: fffffffffffffffb RCX: ffffffff831fb8c4 [ 33.286830] RDX: 0000000000000000 RSI: ffffffff831fc475 RDI: 0000000000000007 [ 33.294159] RBP: 0000000000000003 R08: 0000000000000001 R09: fffffffffffff000 [ 33.301423] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000008 [ 33.308715] R13: 00000000fffffffb R14: ffff8880a309de40 R15: dffffc0000000000 [ 33.316045] FS: 0000555556fd8300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 33.324294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.330171] CR2: 00005634b46bd970 CR3: 00000000a5947000 CR4: 00000000003406f0 [ 33.337490] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.344824] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.352098] Kernel panic - not syncing: Fatal exception [ 33.357608] Kernel Offset: disabled [ 33.361215] Rebooting in 86400 seconds..