F2FS-fs (loop0): invalid crc value 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: 5014 Comm: syz.0.16 Not tainted 5.15.185-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__locate_dirty_segment+0xa2c/0xa40 fs/f2fs/segment.c:835 Code: 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 16 fd ff ff 4c 89 f7 e8 f5 74 3f fe e9 09 fd ff ff e8 eb fc f9 fd 0f 0b e8 e4 fc f9 fd <0f> 0b e8 dd fc f9 fd 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 RSP: 0018:ffffc9000306f2d0 EFLAGS: 00010293 RAX: ffffffff837dc53c RBX: ffff888077b60000 RCX: ffff8880793d9dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10283b7723 R10: ffffed10283b7723 R11: 1ffff110283b7722 R12: dffffc0000000000 R13: 0000000000000002 R14: 1ffff1100ef6c02d R15: ffff888077b60168 FS: 00007f75549f96c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa143766000 CR3: 000000005cd71000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: locate_dirty_segment+0x421/0x580 fs/f2fs/segment.c:908 f2fs_invalidate_blocks+0x29b/0x380 fs/f2fs/segment.c:2382 f2fs_truncate_data_blocks_range+0x74c/0xee0 fs/f2fs/file.c:605 truncate_dnode fs/f2fs/node.c:943 [inline] f2fs_truncate_inode_blocks+0x692/0xe90 fs/f2fs/node.c:1162 f2fs_do_truncate_blocks+0x580/0x8c0 fs/f2fs/file.c:723 f2fs_truncate_blocks+0x103/0x2f0 fs/f2fs/file.c:751 f2fs_truncate+0x3e6/0x770 fs/f2fs/file.c:803 f2fs_setattr+0xa91/0x1140 fs/f2fs/file.c:981 notify_change+0xbcd/0xee0 fs/attr.c:505 do_truncate+0x197/0x220 fs/open.c:65 handle_truncate fs/namei.c:3265 [inline] do_open fs/namei.c:3612 [inline] path_openat+0x28af/0x2f30 fs/namei.c:3742 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769 do_sys_openat2+0x142/0x4a0 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+0x8c/0xb0 fs/open.c:1339 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f7555780d29 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:00007f75549f9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f7555970fa0 RCX: 00007f7555780d29 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007f75557fcb08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7555970fa0 R15: 00007ffeb4d478e8 Modules linked in: ---[ end trace ef814f341a01bf74 ]--- RIP: 0010:__locate_dirty_segment+0xa2c/0xa40 fs/f2fs/segment.c:835 Code: 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 16 fd ff ff 4c 89 f7 e8 f5 74 3f fe e9 09 fd ff ff e8 eb fc f9 fd 0f 0b e8 e4 fc f9 fd <0f> 0b e8 dd fc f9 fd 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 RSP: 0018:ffffc9000306f2d0 EFLAGS: 00010293 RAX: ffffffff837dc53c RBX: ffff888077b60000 RCX: ffff8880793d9dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10283b7723 R10: ffffed10283b7723 R11: 1ffff110283b7722 R12: dffffc0000000000 R13: 0000000000000002 R14: 1ffff1100ef6c02d R15: ffff888077b60168 FS: 00007f75549f96c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa143766000 CR3: 000000005cd71000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400