gfs2: fsid=syz:syz.0: about to withdraw this file system
general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077]
CPU: 1 PID: 23083 Comm: syz-executor.0 Not tainted 5.11.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:signal_our_withdraw fs/gfs2/util.c:97 [inline]
RIP: 0010:gfs2_withdraw.cold+0xff/0xbee fs/gfs2/util.c:294
Code: 00 48 c1 e0 2a 80 3c 02 00 0f 85 1c 02 00 00 4c 8b bb 08 09 00 00 b8 ff ff 37 00 48 c1 e0 2a 49 8d 7f 70 48 89 fa 48 c1 ea 03 <80> 3c 02 00 74 05 e8 e6 d6 ef f8 4d 8b 7f 70 b8 ff ff 37 00 48 c1
RSP: 0018:ffffc90002f2f378 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: ffff88805d680000 RCX: ffffc90001881000
RDX: 000000000000000e RSI: ffffffff88c5d800 RDI: 0000000000000070
RBP: ffff88805d6802c5 R08: 0000000000000038 R09: 0000000000000000
R10: ffffffff88c5d7ef R11: 0000000000000000 R12: ffff88805d6800a8
R13: ffff88805d680348 R14: ffffffff899148c0 R15: 0000000000000000
FS:  00007fe24142a700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000276c708 CR3: 000000001c233000 CR4: 0000000000350ee0
Call Trace:
 gfs2_meta_check_ii+0x68/0xa0 fs/gfs2/util.c:450
 gfs2_metatype_check_i fs/gfs2/util.h:126 [inline]
 gfs2_meta_indirect_buffer+0x3a3/0x3f0 fs/gfs2/meta_io.c:488
 gfs2_meta_inode_buffer fs/gfs2/meta_io.h:70 [inline]
 gfs2_inode_refresh+0x95/0xe10 fs/gfs2/glops.c:478
 inode_go_lock+0x309/0x4a0 fs/gfs2/glops.c:508
 do_promote+0x4a0/0xb70 fs/gfs2/glock.c:395
 finish_xmote+0x671/0xe40 fs/gfs2/glock.c:562
 do_xmote+0x821/0xbc0 fs/gfs2/glock.c:688
 run_queue+0x323/0x680 fs/gfs2/glock.c:753
 gfs2_glock_nq+0x70a/0x11a0 fs/gfs2/glock.c:1408
 gfs2_glock_nq_init fs/gfs2/glock.h:238 [inline]
 gfs2_lookupi+0x314/0x630 fs/gfs2/inode.c:322
 gfs2_lookup_simple+0x99/0xe0 fs/gfs2/inode.c:273
 init_journal fs/gfs2/ops_fstype.c:714 [inline]
 init_inodes+0x3cb/0x2650 fs/gfs2/ops_fstype.c:857
 gfs2_fill_super+0x1ae8/0x2580 fs/gfs2/ops_fstype.c:1184
 get_tree_bdev+0x440/0x760 fs/super.c:1291
 gfs2_get_tree+0x4a/0x270 fs/gfs2/ops_fstype.c:1260
 vfs_get_tree+0x89/0x2f0 fs/super.c:1496
 do_new_mount fs/namespace.c:2881 [inline]
 path_mount+0x13ad/0x20c0 fs/namespace.c:3211
 do_mount fs/namespace.c:3224 [inline]
 __do_sys_mount fs/namespace.c:3432 [inline]
 __se_sys_mount fs/namespace.c:3409 [inline]
 __x64_sys_mount+0x27f/0x300 fs/namespace.c:3409
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x4672ba
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe241429fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004672ba
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fe24142a000
RBP: 00007fe24142a040 R08: 00007fe24142a040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007fe24142a000 R15: 0000000020047a20
Modules linked in:
---[ end trace a65e7fdf42f4c02b ]---
RIP: 0010:signal_our_withdraw fs/gfs2/util.c:97 [inline]
RIP: 0010:gfs2_withdraw.cold+0xff/0xbee fs/gfs2/util.c:294
Code: 00 48 c1 e0 2a 80 3c 02 00 0f 85 1c 02 00 00 4c 8b bb 08 09 00 00 b8 ff ff 37 00 48 c1 e0 2a 49 8d 7f 70 48 89 fa 48 c1 ea 03 <80> 3c 02 00 74 05 e8 e6 d6 ef f8 4d 8b 7f 70 b8 ff ff 37 00 48 c1
RSP: 0018:ffffc90002f2f378 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: ffff88805d680000 RCX: ffffc90001881000
RDX: 000000000000000e RSI: ffffffff88c5d800 RDI: 0000000000000070
RBP: ffff88805d6802c5 R08: 0000000000000038 R09: 0000000000000000
R10: ffffffff88c5d7ef R11: 0000000000000000 R12: ffff88805d6800a8
R13: ffff88805d680348 R14: ffffffff899148c0 R15: 0000000000000000
FS:  00007fe24142a700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd37676a000 CR3: 000000001c233000 CR4: 0000000000350ef0