------------[ cut here ]------------
WARNING: CPU: 1 PID: 5086 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline]
WARNING: CPU: 1 PID: 5086 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite+0x54e/0x690 fs/iomap/buffered-io.c:998
Modules linked in:
CPU: 1 PID: 5086 Comm: syz.0.16 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline]
RIP: 0010:iomap_page_mkwrite+0x54e/0x690 fs/iomap/buffered-io.c:998
Code: 80 3c 08 00 74 08 4c 89 f7 e8 fe bd d8 ff 4d 8b 36 4c 89 f6 48 83 e6 04 31 ff e8 ad bd 93 ff 49 83 e6 04 75 3e e8 c2 b9 93 ff <0f> 0b eb 3a 48 89 df 4c 89 f6 44 89 e2 31 c9 4c 8b 44 24 18 e8 99
RSP: 0018:ffffc9000326f980 EFLAGS: 00010293
RAX: ffffffff81e565de RBX: ffffea0001b0a040 RCX: ffff88807ebd5940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000326fb30 R08: ffffea0001b0a047 R09: 1ffffd4000361408
R10: dffffc0000000000 R11: fffff94000361409 R12: 0000000000001000
R13: 1ffff9200064df38 R14: 0000000000000000 R15: ffffc9000326f9e0
FS:  00005555820b0500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000740 CR3: 000000006acb2000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __xfs_filemap_fault+0x353/0x8f0 fs/xfs/xfs_file.c:1346
 do_page_mkwrite+0x168/0x3c0 mm/memory.c:2922
 wp_page_shared+0x16b/0x6d0 mm/memory.c:3259
 handle_pte_fault mm/memory.c:4668 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x1f06/0x4410 mm/memory.c:4883
 do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
 handle_page_fault arch/x86/mm/fault.c:1445 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f72e631f342
Code: 30 48 8b 14 24 48 85 d2 74 17 8b 44 24 10 0f c8 89 c0 48 89 44 24 10 48 83 fa 01 0f 85 aa 02 00 00 48 8b 44 24 18 8b 74 24 10 <89> 30 e9 1e fe ff ff 48 8b 44 24 18 8b 10 48 8b 04 24 48 85 c0 0f
RSP: 002b:00007ffeab233340 EFLAGS: 00010246
RAX: 0000200000000740 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 00005555820b03d8
RBP: 00007ffeab233460 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000000 R12: 00007ffeab2334a0
R13: 00007f72e668108c R14: 000000000001940f R15: 00007ffeab233480
 </TASK>