loop9: detected capacity change from 0 to 512
UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256
------------[ cut here ]------------
byte_offset
WARNING: fs/udf/truncate.c:224 at udf_truncate_extents+0xd79/0xef0, CPU#1: syz.9.1677/15532
Modules linked in:
CPU: 1 UID: 0 PID: 15532 Comm: syz.9.1677 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:udf_truncate_extents+0xd79/0xef0
Code: 16 0c 10 48 3b 84 24 80 01 00 00 75 7a 44 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 be 1e 73 08 cc e8 38 67 66 fe 90 <0f> 0b 90 e9 67 ff ff ff 44 89 f9 80 e1 07 38 c1 0f 8c f3 f3 ff ff
RSP: 0018:ffffc9000748f740 EFLAGS: 00010293
RAX: ffffffff83609a28 RBX: 000000000000000a RCX: ffff8881689c8000
RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000000
RBP: ffffc9000748f918 R08: ffff8881689c8000 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000000a
R13: 1ffff110375689a4 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fab6f4286c0(0000) GS:ffff8882a8f55000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002140 CR3: 0000000112f94000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 udf_write_failed+0x168/0x1b0
 udf_write_begin+0x215/0x270
 generic_perform_write+0x2d5/0x8f0
 udf_file_write_iter+0x2e8/0x6c0
 do_iter_readv_writev+0x612/0x8c0
 vfs_writev+0x343/0x990
 __se_sys_pwritev2+0x177/0x2a0
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fab6e59e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fab6f428028 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007fab6e825fa0 RCX: 00007fab6e59e0d9
RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000009
RBP: 00007fab6e635024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000e7b R11: 0000000000000246 R12: 0000000000000000
R13: 00007fab6e826038 R14: 00007fab6e825fa0 R15: 00007ffc540cdcc8
 </TASK>
