loop0: detected capacity change from 0 to 256 UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop0): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5320 at fs/udf/truncate.c:224 udf_truncate_extents+0x10c8/0x1310 fs/udf/truncate.c:224 Modules linked in: CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.12.0-rc7-syzkaller-00216-gf66d6acccbc0 #0 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+0x10c8/0x1310 fs/udf/truncate.c:224 Code: 48 3b 84 24 a0 01 00 00 0f 85 4b 02 00 00 44 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 89 df 6d fe 90 <0f> 0b 90 eb 8c 48 8d 8c 24 60 01 00 00 80 e1 07 80 c1 03 38 c1 0f RSP: 0018:ffffc9000d42f8a0 EFLAGS: 00010283 RAX: ffffffff83270a87 RBX: 000000000000000a RCX: 0000000000040000 RDX: ffffc9000d509000 RSI: 00000000000005e9 RDI: 00000000000005ea RBP: ffffc9000d42fa98 R08: ffffffff8326fea8 R09: ffffffff8324dd0d R10: 0000000000000002 R11: ffff888000964880 R12: dffffc0000000000 R13: 0000000000000000 R14: 000000000000000a R15: 0000000000000000 FS: 00007f6a0544c6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 0000000044086000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_write_failed+0x176/0x1b0 fs/udf/inode.c:178 udf_write_begin+0x220/0x350 fs/udf/inode.c:259 generic_perform_write+0x344/0x6d0 mm/filemap.c:4054 udf_file_write_iter+0x2fc/0x660 fs/udf/file.c:111 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 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: 0033:0x7f6a0457e719 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:00007f6a0544c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f6a04735f80 RCX: 00007f6a0457e719 RDX: 00000000fffffec6 RSI: 0000000020000180 RDI: 0000000000000007 RBP: 00007f6a045f175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f6a04735f80 R15: 00007ffcaadb9a28