------------[ cut here ]------------
WARNING: CPU: 0 PID: 5217 at fs/iomap/buffered-io.c:727 __iomap_write_begin fs/iomap/buffered-io.c:727 [inline]
WARNING: CPU: 0 PID: 5217 at fs/iomap/buffered-io.c:727 iomap_write_begin+0x13f0/0x16f0 fs/iomap/buffered-io.c:830
Modules linked in:
CPU: 0 UID: 0 PID: 5217 Comm: syz-executor426 Not tainted 6.11.0-rc2-syzkaller-00111-gee9a43b7cfe2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__iomap_write_begin fs/iomap/buffered-io.c:727 [inline]
RIP: 0010:iomap_write_begin+0x13f0/0x16f0 fs/iomap/buffered-io.c:830
Code: b5 0d 01 90 48 c7 c7 a0 54 fa 8b e8 da 19 2b ff 90 0f 0b 90 90 e9 74 ef ff ff e8 5b f1 68 ff e9 4b f6 ff ff e8 51 f1 68 ff 90 <0f> 0b 90 bb fb ff ff ff e9 e9 fe ff ff e8 3e f1 68 ff 90 0f 0b 90
RSP: 0018:ffffc90002d2f7c0 EFLAGS: 00010293
RAX: ffffffff822a858f RBX: 0000000000000080 RCX: ffff888025ea1e00
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000000
RBP: ffffc90002d2fa50 R08: ffffffff822a8294 R09: 1ffff11005e3f719
R10: dffffc0000000000 R11: ffffed1005e3f71a R12: ffffc90002d2f9b0
R13: ffffc90002d2fbf0 R14: ffffc90002d2f990 R15: 0000000000000800
FS:  000055556a6aa480(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 0000000078060000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 iomap_unshare_iter fs/iomap/buffered-io.c:1351 [inline]
 iomap_file_unshare+0x460/0x780 fs/iomap/buffered-io.c:1391
 xfs_reflink_unshare+0x173/0x5f0 fs/xfs/xfs_reflink.c:1681
 xfs_file_fallocate+0x6be/0xa50 fs/xfs/xfs_file.c:997
 vfs_fallocate+0x553/0x6c0 fs/open.c:334
 ksys_fallocate fs/open.c:357 [inline]
 __do_sys_fallocate fs/open.c:365 [inline]
 __se_sys_fallocate fs/open.c:363 [inline]
 __x64_sys_fallocate+0xbd/0x110 fs/open.c:363
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2b4e9e6899
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc5884d08 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2b4e9e6899
RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000006
RBP: 0000000000000000 R08: 0700000000000000 R09: 0700000000000000
R10: 0000000000002000 R11: 0000000000000246 R12: 00007ffcc5884d50
R13: 00007ffcc5884fd8 R14: 431bde82d7b634db R15: 00007f2b4ea2f03b
 </TASK>