XFS (loop0): Quotacheck: Done. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5220 at fs/iomap/buffered-io.c:727 __iomap_write_begin fs/iomap/buffered-io.c:727 [inline] WARNING: CPU: 1 PID: 5220 at fs/iomap/buffered-io.c:727 iomap_write_begin+0x13f0/0x16f0 fs/iomap/buffered-io.c:830 Modules linked in: CPU: 1 UID: 0 PID: 5220 Comm: syz-executor103 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:ffffc9000391f7c0 EFLAGS: 00010293 RAX: ffffffff822a858f RBX: 0000000000000080 RCX: ffff88801ba8bc00 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000000 RBP: ffffc9000391fa50 R08: ffffffff822a8294 R09: 1ffff11028037e69 R10: dffffc0000000000 R11: ffffed1028037e6a R12: ffffc9000391f9b0 R13: ffffc9000391fbf0 R14: ffffc9000391f990 R15: 0000000000000800 FS: 000055557ceec480(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbe29b95ed8 CR3: 000000007b382000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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: 0033:0x7f4e47168899 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:00007fff912a3328 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e47168899 RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0700000000000000 R09: 0700000000000000 R10: 0000000000002000 R11: 0000000000000246 R12: 00007fff912a3370 R13: 00007fff912a35f8 R14: 431bde82d7b634db R15: 00007f4e471b103b