F2FS-fs (loop0): Found nat_bits in checkpoint
F2FS-fs (loop0): Start checkpoint disabled!
F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
------------[ cut here ]------------
kernel BUG at fs/f2fs/segment.c:836!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5053 Comm: syz.0.16 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__locate_dirty_segment+0xb53/0xb60 fs/f2fs/segment.c:835
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 2a fd ff ff 4c 89 e7 e8 ae 4a 1a fe e9 1d fd ff ff e8 64 58 d0 fd 0f 0b e8 5d 58 d0 fd <0f> 0b e8 56 58 d0 fd 0f 0b 0f 1f 40 00 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc90002edf1f0 EFLAGS: 00010293
RAX: ffffffff83b04463 RBX: ffff88807b83f0f0 RCX: ffff88802754d940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff83b03eaf R09: ffffed1004b0fd8c
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888069387410
R13: 1ffff1100fbc802d R14: 0000000000000002 R15: ffff88807de40168
FS:  00007fc40ceee6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b175cc61c8 CR3: 0000000024691000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 locate_dirty_segment+0x43f/0x5a0 fs/f2fs/segment.c:908
 f2fs_invalidate_blocks+0x2b2/0x3a0 fs/f2fs/segment.c:2382
 f2fs_truncate_data_blocks_range+0x79c/0xfe0 fs/f2fs/file.c:605
 truncate_dnode fs/f2fs/node.c:943 [inline]
 f2fs_truncate_inode_blocks+0xa3a/0x10d0 fs/f2fs/node.c:1155
 f2fs_do_truncate_blocks+0x52e/0x9c0 fs/f2fs/file.c:723
 f2fs_truncate_blocks+0x109/0x2f0 fs/f2fs/file.c:751
 f2fs_truncate+0x3c2/0x740 fs/f2fs/file.c:803
 f2fs_setattr+0xb27/0x1220 fs/f2fs/file.c:981
 notify_change+0xc6d/0xf50 fs/attr.c:505
 do_truncate+0x21c/0x300 fs/open.c:65
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x28a3/0x2f20 fs/namei.c:3742
 do_filp_open+0x21c/0x460 fs/namei.c:3769
 do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_creat fs/open.c:1345 [inline]
 __se_sys_creat fs/open.c:1339 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1339
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc40dc75d29
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:00007fc40ceee038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fc40de65fa0 RCX: 00007fc40dc75d29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007fc40dcf1b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc40de65fa0 R15: 00007fff2d5d14c8
 </TASK>
Modules linked in:
---[ end trace 3fda07b7806c2ffa ]---
RIP: 0010:__locate_dirty_segment+0xb53/0xb60 fs/f2fs/segment.c:835
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 2a fd ff ff 4c 89 e7 e8 ae 4a 1a fe e9 1d fd ff ff e8 64 58 d0 fd 0f 0b e8 5d 58 d0 fd <0f> 0b e8 56 58 d0 fd 0f 0b 0f 1f 40 00 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc90002edf1f0 EFLAGS: 00010293
RAX: ffffffff83b04463 RBX: ffff88807b83f0f0 RCX: ffff88802754d940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff83b03eaf R09: ffffed1004b0fd8c
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888069387410
R13: 1ffff1100fbc802d R14: 0000000000000002 R15: ffff88807de40168
FS:  00007fc40ceee6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b175cc61c8 CR3: 0000000024691000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400