loop0: detected capacity change from 0 to 40427
F2FS-fs (loop0): build fault injection attr: rate: 771, type: 0x3fffff
F2FS-fs (loop0): invalid crc value
F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
F2FS-fs (loop0): inject invalid blkaddr in f2fs_is_valid_blkaddr of truncate_node+0x101/0x950 fs/f2fs/node.c:910
F2FS-fs (loop0): nat entry is corrupted, run fsck to fix it, ino:10, nid:14, blkaddr:4615
F2FS-fs (loop0): inject inconsistent footer in sanity_check_node_footer of prepare_write_begin fs/f2fs/data.c:3380 [inline]
F2FS-fs (loop0): inject inconsistent footer in sanity_check_node_footer of f2fs_write_begin+0x95b/0x25b0 fs/f2fs/data.c:3608
F2FS-fs (loop0): inconsistent node block, node_type:1, nid:10, node_footer[nid:10,ino:10,ofs:0,cpver:10241045589465957861,blkaddr:4615]
------------[ cut here ]------------
kernel BUG at fs/f2fs/f2fs.h:2521!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted 6.15.0-rc7-syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:dec_valid_block_count+0x3c5/0x3d0 fs/f2fs/f2fs.h:2521
Code: fe e9 3a fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 64 fd ff ff 4c 89 f7 e8 06 92 2d fe e9 57 fd ff ff e8 dc 96 cb fd 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000f73f108 EFLAGS: 00010283
RAX: ffffffff83f45af4 RBX: 00000000000003fa RCX: 0000000000100000
RDX: ffffc9000dea2000 RSI: 00000000000c35af RDI: 00000000000c35b0
RBP: 00000000ffffffcc R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52001ee7e10 R12: ffff888044464fa4
R13: dffffc0000000000 R14: 1ffff1100888c9f4 R15: ffff888044464000
FS:  00007ff9814116c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000006000 CR3: 0000000034dad000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 f2fs_truncate_data_blocks_range+0xcda/0x11c0 fs/f2fs/file.c:695
 truncate_dnode+0x3f9/0x730 fs/f2fs/node.c:973
 truncate_nodes+0x76a/0xfb0 fs/f2fs/node.c:1014
 f2fs_truncate_inode_blocks+0x670/0xfa0 fs/f2fs/node.c:1197
 f2fs_do_truncate_blocks+0xbc3/0x11a0 fs/f2fs/file.c:810
 f2fs_truncate_blocks+0x10a/0x300 fs/f2fs/file.c:838
 f2fs_write_failed+0x124/0x190 fs/f2fs/data.c:3341
 f2fs_write_begin+0x206b/0x25b0 fs/f2fs/data.c:3669
 generic_perform_write+0x2c7/0x910 mm/filemap.c:4103
 f2fs_buffered_write_iter fs/f2fs/file.c:4936 [inline]
 f2fs_file_write_iter+0x1df6/0x2340 fs/f2fs/file.c:5164
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0x548/0xa90 fs/read_write.c:684
 ksys_write+0x145/0x250 fs/read_write.c:736
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff98058e969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff981411038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff9807b5fa0 RCX: 00007ff98058e969
RDX: 00000000fffffec6 RSI: 0000200000000180 RDI: 0000000000000007
RBP: 00007ff980610ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff9807b5fa0 R15: 00007ffef7357d98
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dec_valid_block_count+0x3c5/0x3d0 fs/f2fs/f2fs.h:2521
Code: fe e9 3a fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 64 fd ff ff 4c 89 f7 e8 06 92 2d fe e9 57 fd ff ff e8 dc 96 cb fd 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000f73f108 EFLAGS: 00010283
RAX: ffffffff83f45af4 RBX: 00000000000003fa RCX: 0000000000100000
RDX: ffffc9000dea2000 RSI: 00000000000c35af RDI: 00000000000c35b0
RBP: 00000000ffffffcc R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52001ee7e10 R12: ffff888044464fa4
R13: dffffc0000000000 R14: 1ffff1100888c9f4 R15: ffff888044464000
FS:  00007ff9814116c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000006000 CR3: 0000000034dad000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400