------------[ cut here ]------------ WARNING: CPU: 0 PID: 5514 at fs/udf/truncate.c:224 udf_truncate_extents+0xd4c/0xec0 fs/udf/truncate.c:224 Modules linked in: CPU: 0 UID: 0 PID: 5514 Comm: syz.0.16 Not tainted 6.16.0-rc5-syzkaller-00276-g5d5d62298b8b #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:udf_truncate_extents+0xd4c/0xec0 fs/udf/truncate.c:224 Code: 67 68 0f 48 3b 84 24 80 01 00 00 75 77 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 8b 3a 3a 08 cc e8 55 4a 88 fe 90 <0f> 0b 90 eb 88 44 89 e9 80 e1 07 38 c1 0f 8c e4 f3 ff ff 4c 89 ef RSP: 0018:ffffc90002b4f7c0 EFLAGS: 00010293 RAX: ffffffff8337e91b RBX: 1ffff110022a41a0 RCX: ffff88800078c880 RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000000 RBP: ffffc90002b4f988 R08: ffff88800078c880 R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 000000000000000a R15: 000000000000000a FS: 0000555564687500(0000) GS:ffff88808d21b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055dbf3bbefd8 CR3: 00000000230ea000 CR4: 0000000000352ef0 Call Trace: udf_write_failed+0x185/0x1c0 fs/udf/inode.c:178 udf_direct_IO+0x1c6/0x200 fs/udf/inode.c:307 generic_file_direct_write+0x1db/0x3e0 mm/filemap.c:4046 __generic_file_write_iter+0x11d/0x230 mm/filemap.c:4215 udf_file_write_iter+0x2d5/0x6c0 fs/udf/file.c:111 do_iter_readv_writev+0x56e/0x7f0 fs/read_write.c:-1 vfs_writev+0x31a/0x960 fs/read_write.c:1057 do_pwritev fs/read_write.c:1153 [inline] __do_sys_pwritev2 fs/read_write.c:1211 [inline] __se_sys_pwritev2+0x179/0x290 fs/read_write.c:1202 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd4b4f8e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc0b137098 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007fd4b51b5fa0 RCX: 00007fd4b4f8e929 RDX: 0000000000000001 RSI: 00002000000000c0 RDI: 0000000000000004 RBP: 00007fd4b5010b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000800001 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd4b51b5fa0 R14: 00007fd4b51b5fa0 R15: 0000000000000006