UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2020/09/19 18:44 (1000)
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WARNING: CPU: 0 PID: 7978 at fs/udf/inode.c:1990 __udf_add_aext+0x552/0x670 fs/udf/inode.c:1990
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7978 Comm: syz-executor164 Not tainted 4.14.267-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:__udf_add_aext+0x552/0x670 fs/udf/inode.c:1990
RSP: 0018:ffff88809203ef48 EFLAGS: 00010297
RAX: ffff8880b32106c0 RBX: ffff88809203f378 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88808cf17e14
RBP: ffff88808e313160 R08: 0000000000000000 R09: 0000000000000010
R10: ffff88808cf17fff R11: 0000000000000000 R12: 0000000000000000
R13: ffff88808cf17e00 R14: 0000000000000010 R15: 00000000000001e8
 udf_setup_indirect_aext+0x5e7/0x720 fs/udf/inode.c:1956
 udf_add_aext+0x1cb/0x280 fs/udf/inode.c:2043
 udf_insert_aext fs/udf/inode.c:2209 [inline]
 udf_update_extents fs/udf/inode.c:1186 [inline]
 inode_getblk+0x197a/0x3870 fs/udf/inode.c:889
 udf_get_block+0x191/0x4e0 fs/udf/inode.c:438
 __block_write_begin_int+0x35c/0x1090 fs/buffer.c:2038
 __block_write_begin fs/buffer.c:2088 [inline]
 block_write_begin+0x58/0x270 fs/buffer.c:2147
 udf_write_begin+0x39/0xa0 fs/udf/inode.c:206
 generic_perform_write+0x1c9/0x420 mm/filemap.c:3055
 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180
 udf_file_write_iter+0x284/0x470 fs/udf/file.c:169
 call_write_iter include/linux/fs.h:1780 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x44c/0x630 fs/read_write.c:482
 __kernel_write+0xf5/0x330 fs/read_write.c:501
 write_pipe_buf+0x143/0x1c0 fs/splice.c:797
 splice_from_pipe_feed fs/splice.c:502 [inline]
 __splice_from_pipe+0x326/0x7a0 fs/splice.c:626
 splice_from_pipe fs/splice.c:661 [inline]
 default_file_splice_write+0xc5/0x150 fs/splice.c:809
 do_splice_from fs/splice.c:851 [inline]
 direct_splice_actor+0x115/0x160 fs/splice.c:1018
 splice_direct_to_actor+0x27c/0x730 fs/splice.c:973
 do_splice_direct+0x164/0x210 fs/splice.c:1061
 do_sendfile+0x47f/0xb30 fs/read_write.c:1441
 SYSC_sendfile64 fs/read_write.c:1496 [inline]
 SyS_sendfile64+0x9b/0x110 fs/read_write.c:1488
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fab60867689
RSP: 002b:00007fff1602a4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fab60867689
RDX: 0000000020000240 RSI: 0000000000000004 RDI: 0000000000000004
RBP: 00007fab60826f20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000007fff R11: 0000000000000246 R12: 00007fab60826fb0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..