print_req_error: I/O error, dev loop4, sector 0
audit: type=1800 audit(1649674452.400:154): pid=23104 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="file0" dev="sda1" ino=14966 res=0
------------[ cut here ]------------
audit: type=1804 audit(1649674452.430:155): pid=23104 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir632007005/syzkaller.6XDgWg/109/file0" dev="sda1" ino=14966 res=1
WARNING: CPU: 0 PID: 22956 at fs/udf/inode.c:1979 __udf_add_aext.cold+0x41/0x76 fs/udf/inode.c:1979
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 22956 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:__udf_add_aext.cold+0x41/0x76 fs/udf/inode.c:1979
Code: fa e8 b9 b1 69 f9 48 c7 c7 80 85 9a 88 e8 18 e3 fa ff 0f 0b e9 a4 1b 76 fa e8 a1 b1 69 f9 48 c7 c7 80 85 9a 88 e8 00 e3 fa ff <0f> 0b 48 8b 54 24 10 b8 ff ff 37 00 48 c1 e0 2a 48 c1 ea 03 0f b6
RSP: 0018:ffff88809bc3edb8 EFLAGS: 00010282
RAX: 0000000000000024 RBX: ffff88809bc3f220 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1013787da9
RBP: ffff88805e1cd670 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: 00000000000001d0 R14: 0000000000000010 R15: 00000000000001e8
 udf_setup_indirect_aext+0x504/0x7e0 fs/udf/inode.c:1945
 udf_add_aext+0x210/0x2e0 fs/udf/inode.c:2032
 udf_insert_aext fs/udf/inode.c:2198 [inline]
 udf_update_extents fs/udf/inode.c:1186 [inline]
 inode_getblk+0x1984/0x3b30 fs/udf/inode.c:890
 udf_get_block+0x1e1/0x650 fs/udf/inode.c:439
Started in network mode
 __block_write_begin_int+0x46c/0x17b0 fs/buffer.c:1978
Own node identity 9, cluster identity 4711
 __block_write_begin fs/buffer.c:2028 [inline]
 block_write_begin+0x58/0x2e0 fs/buffer.c:2087
 udf_write_begin+0x39/0xa0 fs/udf/inode.c:206
 generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3170
32-bit node address hash set to 9
 __generic_file_write_iter+0x24b/0x610 mm/filemap.c:3295
 udf_file_write_iter+0x2d4/0x4e0 fs/udf/file.c:169
 call_write_iter include/linux/fs.h:1821 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x51b/0x770 fs/read_write.c:487
 __kernel_write+0x109/0x370 fs/read_write.c:506
 write_pipe_buf+0x153/0x1f0 fs/splice.c:798
 splice_from_pipe_feed fs/splice.c:503 [inline]
 __splice_from_pipe+0x389/0x800 fs/splice.c:627
 splice_from_pipe fs/splice.c:662 [inline]
 default_file_splice_write+0xd8/0x180 fs/splice.c:810
 do_splice_from fs/splice.c:852 [inline]
 direct_splice_actor+0x115/0x160 fs/splice.c:1025
 splice_direct_to_actor+0x33f/0x8d0 fs/splice.c:980
 do_splice_direct+0x1a7/0x270 fs/splice.c:1068
 do_sendfile+0x550/0xc30 fs/read_write.c:1447
 __do_sys_sendfile64 fs/read_write.c:1502 [inline]
 __se_sys_sendfile64+0xc4/0x160 fs/read_write.c:1494
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fae6d816049
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fae6c18b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fae6d928f60 RCX: 00007fae6d816049
RDX: 00000000200001c0 RSI: 0000000000000051 RDI: 0000000000000051
RBP: 00007fae6d87008d R08: 0000000000000000 R09: 0000000000000000
R10: 00008080ffffff80 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe31a152ff R14: 00007fae6c18b300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..