gfs2: fsid=loop0.0: first mount done, others may mount
general protection fault, probably for non-canonical address 0xdffffc0000000011: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000088-0x000000000000008f]
CPU: 1 PID: 3539 Comm: syz-executor241 Not tainted 6.1.31-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:evict_linked_inode fs/gfs2/super.c:1335 [inline]
RIP: 0010:gfs2_evict_inode+0x11cf/0x1b20 fs/gfs2/super.c:1390
Code: c6 00 09 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 40 37 26 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 18 0f 85 1f 08 00 00 8b 13 45 31
RSP: 0018:ffffc9000396f7c0 EFLAGS: 00010207
RAX: 0000000000000011 RBX: 000000000000008c RCX: ffff888029663b80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000396f9e0 R08: ffffffff83b317a9 R09: ffffed100521ea21
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8880290f5278 R14: ffff88807d8a0900 R15: ffff888073e898e0
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe7143caf8 CR3: 000000007c427000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 evict+0x2a4/0x620 fs/inode.c:664
 gfs2_jindex_free+0x449/0x4f0 fs/gfs2/super.c:75
 gfs2_put_super+0x81b/0x890 fs/gfs2/super.c:623
 generic_shutdown_super+0x130/0x340 fs/super.c:501
 kill_block_super+0x7a/0xe0 fs/super.c:1450
 deactivate_locked_super+0xa0/0x110 fs/super.c:332
 cleanup_mnt+0x490/0x520 fs/namespace.c:1186
 task_work_run+0x246/0x300 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x6fb/0x2300 kernel/exit.c:869
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1028
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6b44a6d9a9
Code: Unable to access opcode bytes at 0x7f6b44a6d97f.
RSP: 002b:00007ffcf53bd7c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f6b44af5330 RCX: 00007f6b44a6d9a9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000012527
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6b44af5330
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:evict_linked_inode fs/gfs2/super.c:1335 [inline]
RIP: 0010:gfs2_evict_inode+0x11cf/0x1b20 fs/gfs2/super.c:1390
Code: c6 00 09 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 40 37 26 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 18 0f 85 1f 08 00 00 8b 13 45 31
RSP: 0018:ffffc9000396f7c0 EFLAGS: 00010207
RAX: 0000000000000011 RBX: 000000000000008c RCX: ffff888029663b80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000396f9e0 R08: ffffffff83b317a9 R09: ffffed100521ea21
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8880290f5278 R14: ffff88807d8a0900 R15: ffff888073e898e0
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe7143caf8 CR3: 000000002868a000 CR4: 00000000003506e0
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 40 37 26 fe       	callq  0xfe26375b
  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 18       	mov    0x18(%rsp),%r13
  36:	0f 85 1f 08 00 00    	jne    0x85b
  3c:	8b 13                	mov    (%rbx),%edx
  3e:	45                   	rex.RB
  3f:	31                   	.byte 0x31