------------[ cut here ]------------
kernel BUG at fs/jffs2/nodelist.c:462!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 2 UID: 0 PID: 6630 Comm: syz-executor Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:jffs2_del_ino_cache+0x24f/0x2c0 fs/jffs2/nodelist.c:462
Code: 4c 89 e2 49 8b 5e 18 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 71 49 89 1c 24 e9 42 ff ff ff e8 42 dd 8a fe 90 <0f> 0b e8 2a 70 fa fe e9 5b fe ff ff e8 f0 6f fa fe e9 59 ff ff ff
RSP: 0000:ffffc90006d27a70 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802ae32000 RCX: 0000000000000000
RDX: ffff8880257dca80 RSI: ffffffff837ef29e RDI: ffff88806eac3ee0
RBP: 0000000000000006 R08: 0000000000000000 R09: ffffed10055c646c
R10: ffff88802ae32363 R11: 0000000000000000 R12: ffff88805493bc80
R13: dffffc0000000000 R14: ffff88806eac3ec0 R15: ffff88805493bd30
FS:  0000000000000000(0000) GS:ffff888096de6000(0063) knlGS:0000000056d8a480
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007ffea5e31b7c CR3: 00000000606f6000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 jffs2_do_clear_inode+0x3ca/0x470 fs/jffs2/readinode.c:1443
 evict+0x3c2/0xad0 fs/inode.c:825
 dispose_list+0x117/0x1e0 fs/inode.c:867
 evict_inodes+0x582/0x6f0 fs/inode.c:921
 generic_shutdown_super+0xc8/0x360 fs/super.c:633
 kill_mtd_super+0x1d/0x80 drivers/mtd/mtdsuper.c:174
 jffs2_kill_sb+0x7c/0xb0 fs/jffs2/super.c:350
 deactivate_locked_super+0xc1/0x1b0 fs/super.c:477
 deactivate_super fs/super.c:510 [inline]
 deactivate_super+0xe7/0x110 fs/super.c:506
 cleanup_mnt+0x21f/0x450 fs/namespace.c:1317
 task_work_run+0x150/0x240 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
 exit_to_user_mode_loop+0x1d8/0x700 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 __do_fast_syscall_32+0x701/0x970 arch/x86/entry/syscall_32.c:310
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f92fec
Code: d2 74 05 c1 e8 0c 89 02 8b 5d fc 31 c0 c9 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 2e 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 58 b8
RSP: 002b:00000000ff849378 EFLAGS: 00000292 ORIG_RAX: 0000000000000034
RAX: 0000000000000000 RBX: 00000000ff849420 RCX: 0000000000000009
RDX: 00000000f7427ff4 RSI: 00000000f7261656 RDI: 00000000ff84a4b4
RBP: 00000000ff849420 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jffs2_del_ino_cache+0x24f/0x2c0 fs/jffs2/nodelist.c:462
Code: 4c 89 e2 49 8b 5e 18 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 71 49 89 1c 24 e9 42 ff ff ff e8 42 dd 8a fe 90 <0f> 0b e8 2a 70 fa fe e9 5b fe ff ff e8 f0 6f fa fe e9 59 ff ff ff
RSP: 0000:ffffc90006d27a70 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802ae32000 RCX: 0000000000000000
RDX: ffff8880257dca80 RSI: ffffffff837ef29e RDI: ffff88806eac3ee0
RBP: 0000000000000006 R08: 0000000000000000 R09: ffffed10055c646c
R10: ffff88802ae32363 R11: 0000000000000000 R12: ffff88805493bc80
R13: dffffc0000000000 R14: ffff88806eac3ec0 R15: ffff88805493bd30
FS:  0000000000000000(0000) GS:ffff888096ce6000(0063) knlGS:0000000056d8a480
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000c4796a1 CR3: 00000000606f6000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	d2 74 05 c1          	shlb   %cl,-0x3f(%rbp,%rax,1)
   4:	e8 0c 89 02 8b       	call   0x8b028915
   9:	5d                   	pop    %rbp
   a:	fc                   	cld
   b:	31 c0                	xor    %eax,%eax
   d:	c9                   	leave
   e:	c3                   	ret
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	0f 1f 00             	nopl   (%rax)
  21:	51                   	push   %rcx
  22:	52                   	push   %rdx
  23:	55                   	push   %rbp
  24:	89 e5                	mov    %esp,%ebp
  26:	0f 34                	sysenter
  28:	cd 80                	int    $0x80
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	5a                   	pop    %rdx
  2c:	59                   	pop    %rcx
  2d:	c3                   	ret
  2e:	90                   	nop
  2f:	2e 8d b4 26 00 00 00 	cs lea 0x0(%rsi,%riz,1),%esi
  36:	00
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  3e:	58                   	pop    %rax
  3f:	b8                   	.byte 0xb8