audit: type=1804 audit(1668612810.078:822): pid=8772 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir2953357989/syzkaller.gtvxxO/1308/file0" dev="sda1" ino=15489 res=1 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8788 at fs/udf/truncate.c:226 udf_truncate_extents.cold+0x11/0x18 fs/udf/truncate.c:226 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8788 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 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 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. audit: type=1804 audit(1668612810.078:823): pid=8772 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir2953357989/syzkaller.gtvxxO/1308/file0" dev="sda1" ino=15489 res=1 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:udf_truncate_extents.cold+0x11/0x18 fs/udf/truncate.c:226 Code: 89 df 48 c7 c6 40 a9 9a 88 e8 ac f9 ff ff 41 bc ea ff ff ff e9 96 57 78 fa e8 b0 a9 69 f9 48 c7 c7 60 b4 9a 88 e8 0f db fa ff <0f> 0b e9 81 78 78 fa e8 98 a9 69 f9 48 c7 c6 40 ba 9a 88 48 c7 c7 RSP: 0018:ffff888022457400 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff888044d7bbc0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed100448ae72 RBP: ffff8880224574e8 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880224574a8 R13: 0000000000000200 R14: 00000000000000ff R15: ffff8880997e0180 audit: type=1804 audit(1668612810.108:824): pid=8789 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir2730090622/syzkaller.x1FHKK/1243/file0/bus" dev="loop3" ino=1296 res=1 udf_write_failed.isra.0+0x17b/0x1d0 fs/udf/inode.c:172 udf_write_begin+0x89/0xa0 fs/udf/inode.c:208 generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3170 audit: type=1804 audit(1668612810.228:825): pid=8798 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir2044863908/syzkaller.8Qkpe5/1331/file0/bus" dev="loop2" ino=1296 res=1 __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:1508 [inline] __se_sys_sendfile64+0x147/0x160 fs/read_write.c:1494 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f8983bb4639 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:00007f8982106168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f8983cd5050 RCX: 00007f8983bb4639 RDX: 0000000000000000 RSI: 0000000000000026 RDI: 0000000000000003 RBP: 00007f8983c0fae9 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000001dd08 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff828e4c1f R14: 00007f8982106300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..