UDF-fs: error (device loop5): udf_fill_super: Error in udf_iget, block=64, partition=0
------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 4701 at fs/buffer.c:1144 __brelse fs/buffer.c:1144 [inline]
WARNING: CPU: 0 PID: 4701 at fs/buffer.c:1144 __brelse+0x67/0xa0 fs/buffer.c:1138
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 4701 Comm: systemd-udevd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 <IRQ>
 __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:__brelse fs/buffer.c:1144 [inline]
RIP: 0010:__brelse+0x67/0xa0 fs/buffer.c:1138
Code: 7c 04 84 d2 75 4e 44 8b 63 60 31 ff 44 89 e6 e8 bf 16 b2 ff 45 85 e4 75 1c e8 45 15 b2 ff 48 c7 c7 e0 1c 75 88 e8 1e 4d 42 06 <0f> 0b 5b 5d 41 5c e9 2e 15 b2 ff e8 29 15 b2 ff be 04 00 00 00 48
RSP: 0018:ffff8880ba007f40 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffff88808c3aef18 RCX: 0000000000000000
RDX: 0000000000010000 RSI: ffffffff814dff01 RDI: ffffed1017400fda
RBP: ffff88808c3aef78 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: ffffffff8c66501b R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880ba0287e0 R15: 0000000000000000
 brelse include/linux/buffer_head.h:297 [inline]
 invalidate_bh_lru+0x90/0x140 fs/buffer.c:1385
 flush_smp_call_function_queue+0x144/0x4d0 kernel/smp.c:243
 smp_call_function_single_interrupt+0x98/0x440 arch/x86/kernel/smp.c:304
 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:916
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:seqcount_lockdep_reader_access include/linux/seqlock.h:83 [inline]
RIP: 0010:read_seqcount_begin include/linux/seqlock.h:164 [inline]
RIP: 0010:ktime_get_coarse_real_ts64+0x1f1/0x290 kernel/time/timekeeping.c:2169
Code: 48 c7 c0 88 82 f1 89 48 c1 e8 03 42 80 3c 20 00 0f 85 98 00 00 00 48 83 3d 83 f9 9c 08 00 74 35 e8 64 fc 0d 00 4c 89 f7 57 9d <0f> 1f 44 00 00 e9 23 ff ff ff e8 50 fc 0d 00 0f 0b e8 49 fc 0d 00
RSP: 0018:ffff88809ac5fc58 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff04
RAX: ffff88809ac54100 RBX: ffff88809ac5fcb8 RCX: 1ffff1101358a935
RDX: 0000000000000000 RSI: ffffffff8154890c RDI: 0000000000000293
RBP: fffffbfff13e3050 R08: ffffffff8cd2b520 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffffffff13e3052 R14: 0000000000000293 R15: 0000000000000200
 current_kernel_time64 include/linux/timekeeping.h:277 [inline]
 current_time+0x6f/0x1c0 fs/inode.c:2162
 atime_needs_update+0x299/0x5f0 fs/inode.c:1711
 touch_atime+0xce/0x2a0 fs/inode.c:1728
 file_accessed include/linux/fs.h:2123 [inline]
 iterate_dir+0x362/0x5c0 fs/readdir.c:56
 __do_sys_getdents fs/readdir.c:271 [inline]
 __se_sys_getdents+0x175/0x2d0 fs/readdir.c:252
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f580d4cef2b
Code: fc ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 57 41 56 48 63 ff 41 55 41 54 b8 4e 00 00 00 55 53 48 89 f3 48 83 ec 08 0f 05 <48> 3d 00 f0 ff ff 77 55 48 8d 2c 06 49 89 c4 48 39 ee 73 34 90 44
RSP: 002b:00007ffdaf2081b0 EFLAGS: 00000202 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 0000559bc07ad480 RCX: 00007f580d4cef2b
RDX: 0000000000008000 RSI: 0000559bc07ad480 RDI: 000000000000000e
RBP: 0000559bc07ad480 R08: 00007f580d7b52c8 R09: 0000000000008040
R10: 0000000000000020 R11: 0000000000000202 R12: fffffffffffffe50
R13: 0000000000000000 R14: 0000000000000100 R15: 00007ffdaf2082e0
Kernel Offset: disabled
Rebooting in 86400 seconds..
----------------
Code disassembly (best guess):
   0:	48 c7 c0 88 82 f1 89 	mov    $0xffffffff89f18288,%rax
   7:	48 c1 e8 03          	shr    $0x3,%rax
   b:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
  10:	0f 85 98 00 00 00    	jne    0xae
  16:	48 83 3d 83 f9 9c 08 	cmpq   $0x0,0x89cf983(%rip)        # 0x89cf9a1
  1d:	00
  1e:	74 35                	je     0x55
  20:	e8 64 fc 0d 00       	callq  0xdfc89
  25:	4c 89 f7             	mov    %r14,%rdi
  28:	57                   	push   %rdi
  29:	9d                   	popfq
* 2a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1) <-- trapping instruction
  2f:	e9 23 ff ff ff       	jmpq   0xffffff57
  34:	e8 50 fc 0d 00       	callq  0xdfc89
  39:	0f 0b                	ud2
  3b:	e8 49 fc 0d 00       	callq  0xdfc89