syzbot

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WARNING: CPU: 0 PID: 4177 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline]
WARNING: CPU: 0 PID: 4177 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite+0x482/0x5d0 fs/iomap/buffered-io.c:998
Modules linked in:

CPU: 0 PID: 4177 Comm: syz-executor164 Not tainted 5.15.184-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
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 ca 47 d9 ff 4d 8b 36 4c 89 f6 48 83 e6 04 31 ff e8 c9 d5 93 ff 49 83 e6 04 75 3c e8 de d1 93 ff <0f> 0b eb 38 48 89 df 4c 89 f6 44 89 e2 31 c9 4d 89 e8 e8 c7 2d f3
RSP: 0018:ffffc90002eef980 EFLAGS: 00010293

RAX: ffffffff81e3ef62 RBX: ffffea0001bad1c0 RCX: ffff888079e71dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002eefb30 R08: dffffc0000000000 R09: fffff94000375a39
R10: fffff94000375a39 R11: 1ffffd4000375a38 R12: 0000000000001000
R13: ffffc90002eefa08 R14: 0000000000000000 R15: ffffc90002eef9e0
FS:  00007f6a217af6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000041aa80 CR3: 00000000229b3000 CR4: 00000000003506f0
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+0x1eca/0x43c0 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: 0033:0x7f6a217dbbb0
Code: 00 e9 fc fe ff ff 0f 1f 40 00 66 0f ef c0 b9 90 00 00 00 4c 89 fa be 05 00 00 00 48 b8 40 07 00 00 00 20 00 00 bf 41 01 00 00 <c7> 00 11 00 00 00 48 83 c0 44 c7 40 c0 00 00 00 00 48 c7 40 c4 00
RSP: 002b:00007f6a217af220 EFLAGS: 00010207

RAX: 0000200000000740 RBX: 00007f6a218a2618 RCX: 0000000000000090
RDX: 0000200000000740 RSI: 0000000000000005 RDI: 0000000000000141
RBP: 00007f6a218a2610 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6a2186f7f0
R13: 0000200000000000 R14: 0000200000000770 R15: 0000200000000740
 </TASK>