general protection fault, probably for non-canonical address 0xdffffc0000000011: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000088-0x000000000000008f]
CPU: 0 PID: 20106 Comm: syz-executor.5 Not tainted 5.15.107-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
RIP: 0010:evict_linked_inode fs/gfs2/super.c:1336 [inline]
RIP: 0010:gfs2_evict_inode+0x163a/0x1b80 fs/gfs2/super.c:1391
Code: c6 00 09 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 d5 f9 39 fe bb 8c 00 00 00 49 03 1e 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 4c 8b 6c 24 10 0f 85 1a 04 00 00 8b 13 45 31
RSP: 0018:ffffc9000316f9c0 EFLAGS: 00010207
RAX: 0000000000000011 RBX: 000000000000008c RCX: ffff8880200e8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000316fbe0 R08: ffffffff83885489 R09: ffffed100e9e16c0
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888074f0b770 R14: ffff88803377c900 R15: ffff88802cebb430
FS:  0000555556d5b400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ed23000 CR3: 000000006e6f4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 evict+0x2a4/0x620 fs/inode.c:587
 gfs2_jindex_free+0x449/0x4f0 fs/gfs2/super.c:75
 gfs2_put_super+0x74a/0x7c0 fs/gfs2/super.c:622
 generic_shutdown_super+0x136/0x2c0 fs/super.c:475
 kill_block_super+0x7a/0xe0 fs/super.c:1405
 deactivate_locked_super+0xa0/0x110 fs/super.c:335
 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
 task_work_run+0x129/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:175
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f5cec3e35d7
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 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:00007fff1f8599b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5cec3e35d7
RDX: 00007fff1f859a8b RSI: 000000000000000a RDI: 00007fff1f859a80
RBP: 00007fff1f859a80 R08: 00000000ffffffff R09: 00007fff1f859850
R10: 0000555556d5c8b3 R11: 0000000000000246 R12: 00007f5cec43ccdc
R13: 00007fff1f85ab40 R14: 0000555556d5c810 R15: 00007fff1f85ab80
 </TASK>
Modules linked in:
---[ end trace e09dc36b9e2301dd ]---
RIP: 0010:evict_linked_inode fs/gfs2/super.c:1336 [inline]
RIP: 0010:gfs2_evict_inode+0x163a/0x1b80 fs/gfs2/super.c:1391
Code: c6 00 09 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 d5 f9 39 fe bb 8c 00 00 00 49 03 1e 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 4c 8b 6c 24 10 0f 85 1a 04 00 00 8b 13 45 31
RSP: 0018:ffffc9000316f9c0 EFLAGS: 00010207
RAX: 0000000000000011 RBX: 000000000000008c RCX: ffff8880200e8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000316fbe0 R08: ffffffff83885489 R09: ffffed100e9e16c0
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888074f0b770 R14: ffff88803377c900 R15: ffff88802cebb430
FS:  0000555556d5b400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f999de38300 CR3: 000000006e6f4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	c6 00 09             	movb   $0x9,(%rax)
   3:	00 00                	add    %al,(%rax)
   5:	4c 89 f0             	mov    %r14,%rax
   8:	48 c1 e8 03          	shr    $0x3,%rax
   c:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
  11:	74 08                	je     0x1b
  13:	4c 89 f7             	mov    %r14,%rdi
  16:	e8 d5 f9 39 fe       	callq  0xfe39f9f0
  1b:	bb 8c 00 00 00       	mov    $0x8c,%ebx
  20:	49 03 1e             	add    (%r14),%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	4c 8b 6c 24 10       	mov    0x10(%rsp),%r13
  36:	0f 85 1a 04 00 00    	jne    0x456
  3c:	8b 13                	mov    (%rbx),%edx
  3e:	45                   	rex.RB
  3f:	31                   	.byte 0x31