------------[ cut here ]------------ WARNING: CPU: 1 PID: 7143 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline] WARNING: CPU: 1 PID: 7143 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite+0x482/0x5d0 fs/iomap/buffered-io.c:998 Modules linked in: CPU: 0 PID: 7143 Comm: syz.0.766 Not tainted 5.15.187-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 4a 46 d9 ff 4d 8b 36 4c 89 f6 48 83 e6 04 31 ff e8 19 d1 93 ff 49 83 e6 04 75 3c e8 2e cd 93 ff <0f> 0b eb 38 48 89 df 4c 89 f6 44 89 e2 31 c9 4d 89 e8 e8 77 2c f3 RSP: 0018:ffffc9000420f980 EFLAGS: 00010293 RAX: ffffffff81e405f2 RBX: ffffea00017219c0 RCX: ffff88807d571dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000420fb30 R08: dffffc0000000000 R09: fffff940002e4339 R10: fffff940002e4339 R11: 1ffffd40002e4338 R12: 0000000000001000 R13: ffffc9000420fa08 R14: 0000000000000000 R15: ffffc9000420f9e0 FS: 000055555a834500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005618914ec950 CR3: 0000000065474000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __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: 0033:0x7f2c47de5fc1 Code: 48 8b 54 24 08 48 85 d2 74 17 8b 44 24 18 0f c8 89 c0 48 89 44 24 18 48 83 fa 01 0f 85 b3 01 00 00 48 8b 44 24 10 8b 54 24 18 <89> 10 e9 15 fd ff ff 48 8b 44 24 10 8b 10 48 8b 44 24 08 48 85 c0 RSP: 002b:00007ffc9a767d80 EFLAGS: 00010246 RAX: 0000200000000240 RBX: 0000000000000004 RCX: 0000000000000000 RDX: 0000000000000007 RSI: 0000000000000000 RDI: 000055555a8343c8 RBP: 00007ffc9a767e88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00007f2c4814708c R13: 00007f2c48147080 R14: fffffffffffffffe R15: 00007ffc9a767ed0