------------[ cut here ]------------
WARNING: CPU: 1 PID: 4602 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline]
WARNING: CPU: 1 PID: 4602 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite+0x482/0x5d0 fs/iomap/buffered-io.c:998
Modules linked in:
CPU: 1 PID: 4602 Comm: syz.1.62 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+0x482/0x5d0 fs/iomap/buffered-io.c:998
Code: 80 3c 08 00 74 08 4c 89 f7 e8 0a 3e d9 ff 4d 8b 36 4c 89 f6 48 83 e6 04 31 ff e8 39 d9 94 ff 49 83 e6 04 75 3c e8 4e d5 94 ff <0f> 0b eb 38 48 89 df 4c 89 f6 44 89 e2 31 c9 4d 89 e8 e8 37 28 f3
RSP: 0000:ffffc90003edf980 EFLAGS: 00010293
RAX: ffffffff81e2f6c2 RBX: ffffea0001c81300 RCX: ffff888022e90000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003edfb30 R08: dffffc0000000000 R09: fffff94000390261
R10: fffff94000390261 R11: 1ffffd4000390260 R12: 0000000000001000
R13: ffffc90003edfa08 R14: 0000000000000000 R15: ffffc90003edf9e0
FS:  000055557791f500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcfdc6ed000 CR3: 000000001f435000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __xfs_filemap_fault+0x353/0x8d0 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+0x1ec7/0x43b0 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: 0033:0x7f634862e416
Code: 81 fa 80 00 00 00 76 ad c5 fe 6f 56 40 c5 fe 6f 5e 60 c5 fe 6f 64 16 e0 c5 fe 6f 6c 16 c0 c5 fe 6f 74 16 a0 c5 fe 6f 7c 16 80 <c5> fe 7f 07 c5 fe 7f 4f 20 c5 fe 7f 57 40 c5 fe 7f 5f 60 c5 fe 7f
RSP: 002b:00007ffd088762e8 EFLAGS: 00010206
RAX: 00002000000003c0 RBX: 0000000000000004 RCX: 80000000000000fd
RDX: 00000000000000fd RSI: 0000001b30e2c0a3 RDI: 00002000000003c0
RBP: 00007f63488beda0 R08: 0000001b31220000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000009 R12: 00007f63488bd09c
R13: 00007ffd088763e0 R14: fffffffffffffffe R15: 00007ffd08876400
 </TASK>