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: 3497 Comm: syz-executor932 Not tainted 5.15.113-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: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 25 e4 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:ffffc90002bbf880 EFLAGS: 00010207
RAX: 0000000000000011 RBX: 000000000000008c RCX: ffff888023015940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002bbfaa0 R08: ffffffff83889c59 R09: ffffed100365b221
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88801b2d9278 R14: ffff888078c88900 R15: ffff888070889910
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff711e11140 CR3: 000000000c68e000 CR4: 00000000003506e0
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
exit_task_work include/linux/task_work.h:32 [inline]
do_exit+0x6a3/0x2480 kernel/exit.c:872
do_group_exit+0x144/0x310 kernel/exit.c:994
__do_sys_exit_group kernel/exit.c:1005 [inline]
__se_sys_exit_group kernel/exit.c:1003 [inline]
__x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1003
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+0x61/0xcb
RIP: 0033:0x7ff711d8b9a9
Code: Unable to access opcode bytes at RIP 0x7ff711d8b97f.
RSP: 002b:00007fffba7d3e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff711e13330 RCX: 00007ff711d8b9a9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000012527
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff711e13330
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
</TASK>
Modules linked in:
---[ end trace bb3527c7444b430e ]---
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 25 e4 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:ffffc90002bbf880 EFLAGS: 00010207
RAX: 0000000000000011 RBX: 000000000000008c RCX: ffff888023015940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002bbfaa0 R08: ffffffff83889c59 R09: ffffed100365b221
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88801b2d9278 R14: ffff888078c88900 R15: ffff888070889910
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055954fb5e000 CR3: 000000002320f000 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 25 e4 39 fe callq 0xfe39e440
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