audit: type=1804 audit(1670036450.084:45): pid=5706 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir3336153152/syzkaller.vAQA6Q/767/file0/file1" dev="loop4" ino=21 res=1
------------[ cut here ]------------
kernel BUG at fs/hfs/inode.c:441!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 23 Comm: kworker/u4:1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: writeback wb_workfn (flush-7:4)
RIP: 0010:hfs_write_inode+0x4f2/0x930 fs/hfs/inode.c:441
Code: ae 7d 88 4c 89 ef e8 ed f7 63 ff 49 83 fd 03 0f 84 95 00 00 00 49 83 fd 04 74 11 49 83 fd 02 0f 84 ed fb ff ff e8 1e f6 63 ff <0f> 0b e8 17 f6 63 ff 48 8d 7d 28 48 b8 00 00 00 00 00 fc ff df 48
hfs: unable to parse mount options
RSP: 0018:ffff8880b50477b8 EFLAGS: 00010293
RAX: ffff8880b503c600 RBX: 1ffff11016a08ef9 RCX: ffffffff81fe8f33
RDX: 0000000000000000 RSI: ffffffff81fe8f52 RDI: 0000000000000007
RBP: ffff8880454dd1c0 R08: 0000000000000000 R09: 0000000000000004
R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000005 R14: ffffffff887dcd20 R15: ffff8880454dd1e8
FS:  0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5ef6ebe262 CR3: 00000000a8d44000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
hfs: unable to parse mount options
 write_inode fs/fs-writeback.c:1244 [inline]
 __writeback_single_inode+0x733/0x11d0 fs/fs-writeback.c:1442
 writeback_sb_inodes+0x537/0xef0 fs/fs-writeback.c:1647
 wb_writeback+0x28d/0xcc0 fs/fs-writeback.c:1820
 wb_do_writeback fs/fs-writeback.c:1965 [inline]
 wb_workfn+0x29b/0x1250 fs/fs-writeback.c:2006
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
---[ end trace 57fefb1e39f037b2 ]---
CIFS VFS: Device name not specified.
RIP: 0010:hfs_write_inode+0x4f2/0x930 fs/hfs/inode.c:441
Code: ae 7d 88 4c 89 ef e8 ed f7 63 ff 49 83 fd 03 0f 84 95 00 00 00 49 83 fd 04 74 11 49 83 fd 02 0f 84 ed fb ff ff e8 1e f6 63 ff <0f> 0b e8 17 f6 63 ff 48 8d 7d 28 48 b8 00 00 00 00 00 fc ff df 48
CIFS VFS: Malformed UNC in devname.
RSP: 0018:ffff8880b50477b8 EFLAGS: 00010293
RAX: ffff8880b503c600 RBX: 1ffff11016a08ef9 RCX: ffffffff81fe8f33
RDX: 0000000000000000 RSI: ffffffff81fe8f52 RDI: 0000000000000007
RBP: ffff8880454dd1c0 R08: 0000000000000000 R09: 0000000000000004
R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000005 R14: ffffffff887dcd20 R15: ffff8880454dd1e8
FS:  0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5e8309e010 CR3: 00000000a8d44000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400