F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
------------[ cut here ]------------
kernel BUG at fs/f2fs/segment.c:3957!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 8582 Comm: syz.0.885 Not tainted 6.16.0-rc3-next-20250627-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:do_write_page+0xa44/0xb10 fs/f2fs/segment.c:3956
Code: 82 7f ad fd 49 89 ed 48 89 e8 48 25 ff 0f 00 00 74 1a e8 8f 7a ad fd e9 9f 00 00 00 e8 85 7a ad fd 90 0f 0b e8 7d 7a ad fd 90 <0f> 0b 4d 89 ee 4c 89 ef be 08 00 00 00 e8 7a 7c 11 fe 49 c1 ee 03
RSP: 0018:ffffc9000b5379b8 EFLAGS: 00010287
RAX: ffffffff841257e3 RBX: ffffc9000b537ac0 RCX: 0000000000080000
RDX: ffffc900047e2000 RSI: 00000000000001ce RDI: 00000000000001cf
RBP: ffffc9000b537adc R08: ffffffff8e72eb4f R09: 1ffffffff1ce5d69
R10: dffffc0000000000 R11: fffffbfff1ce5d6a R12: ffff88806a14c000
R13: 1ffff920016a6f5b R14: dffffc0000000000 R15: ffffc9000b537adc
FS:  00007ffbfb1846c0(0000) GS:ffff888125d1e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fef01d71d60 CR3: 0000000076aa8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 f2fs_outplace_write_data+0x11a/0x220 fs/f2fs/segment.c:4017
 f2fs_convert_inline_folio+0x695/0xd50 fs/f2fs/inline.c:197
 f2fs_convert_inline_inode+0x7c4/0x880 fs/f2fs/inline.c:249
 f2fs_insert_range+0x156/0x420 fs/f2fs/file.c:1769
 f2fs_fallocate+0x59a/0x990 fs/f2fs/file.c:2010
 vfs_fallocate+0x6a0/0x830 fs/open.c:341
 ksys_fallocate fs/open.c:365 [inline]
 __do_sys_fallocate fs/open.c:370 [inline]
 __se_sys_fallocate fs/open.c:368 [inline]
 __x64_sys_fallocate+0xc0/0x110 fs/open.c:368
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffbfa38e929
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:00007ffbfb184038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007ffbfa5b5fa0 RCX: 00007ffbfa38e929
RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000005
RBP: 00007ffbfa410b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000007000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffbfa5b5fa0 R15: 00007ffec0cef7f8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_write_page+0xa44/0xb10 fs/f2fs/segment.c:3956
Code: 82 7f ad fd 49 89 ed 48 89 e8 48 25 ff 0f 00 00 74 1a e8 8f 7a ad fd e9 9f 00 00 00 e8 85 7a ad fd 90 0f 0b e8 7d 7a ad fd 90 <0f> 0b 4d 89 ee 4c 89 ef be 08 00 00 00 e8 7a 7c 11 fe 49 c1 ee 03
RSP: 0018:ffffc9000b5379b8 EFLAGS: 00010287
RAX: ffffffff841257e3 RBX: ffffc9000b537ac0 RCX: 0000000000080000
RDX: ffffc900047e2000 RSI: 00000000000001ce RDI: 00000000000001cf
RBP: ffffc9000b537adc R08: ffffffff8e72eb4f R09: 1ffffffff1ce5d69
R10: dffffc0000000000 R11: fffffbfff1ce5d6a R12: ffff88806a14c000
R13: 1ffff920016a6f5b R14: dffffc0000000000 R15: ffffc9000b537adc
FS:  00007ffbfb1846c0(0000) GS:ffff888125d1e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fea55571d60 CR3: 0000000076aa8000 CR4: 00000000003526f0