loop2: rw=12288, sector=99999999, nr_sectors = 1 limit=32768
gfs2: fsid=syz:syz.0: can't lookup journal index: 0
gfs2: fsid=syz:syz.0: G:  s:UN n:2/925 f:n t:UN d:EX/0 a:0 v:0 r:-128 m:20 p:1
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:302!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 11464 Comm: syz.2.2362 Not tainted 6.6.101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__gfs2_glock_put+0x355/0x3b0 fs/gfs2/glock.c:302
Code: 8b 3f 48 89 de e8 db 15 ff ff eb 25 e8 c4 75 e6 fd e9 d1 fe ff ff e8 ba 75 e6 fd 31 ff 48 89 de ba 01 00 00 00 e8 bb df ff ff <0f> 0b e8 a4 75 e6 fd 31 f6 65 ff 0d 13 9a 64 7c 40 0f 94 c5 40 0f
RSP: 0018:ffffc9000f6af768 EFLAGS: 00010246
RAX: a9931382facdf300 RBX: ffff88802950da68 RCX: 0000000000080000
RDX: ffffc9000d633000 RSI: 000000000001d5a6 RDI: 000000000001d5a7
RBP: 0000000000000000 R08: ffffc9000f6af007 R09: 1ffff92001ed5e00
R10: dffffc0000000000 R11: fffff52001ed5e01 R12: dffffc0000000000
R13: 1ffff1100f814015 R14: ffff88807c0a0000 R15: ffff88802950dd58
FS:  00007f0622df66c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c30744d CR3: 0000000058b61000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 gfs2_glock_put_eventually fs/gfs2/super.c:1275 [inline]
 gfs2_evict_inode+0x65a/0x1220 fs/gfs2/super.c:1557
 evict+0x486/0x870 fs/inode.c:705
 __dentry_kill+0x431/0x650 fs/dcache.c:611
 dentry_kill+0xb8/0x290 fs/dcache.c:-1
 dput+0xfe/0x1e0 fs/dcache.c:918
 gfs2_fill_super+0x173b/0x1f80 fs/gfs2/ops_fstype.c:1313
 get_tree_bdev+0x3e4/0x510 fs/super.c:1591
 gfs2_get_tree+0x51/0x1e0 fs/gfs2/ops_fstype.c:1344
 vfs_get_tree+0x8c/0x280 fs/super.c:1764
 do_new_mount+0x24b/0xa40 fs/namespace.c:3371
 do_mount fs/namespace.c:3711 [inline]
 __do_sys_mount fs/namespace.c:3920 [inline]
 __se_sys_mount+0x2da/0x3c0 fs/namespace.c:3897
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f0624b9038a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0622df5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f0622df5ef0 RCX: 00007f0624b9038a
RDX: 0000200000000000 RSI: 0000200000012500 RDI: 00007f0622df5eb0
RBP: 0000200000000000 R08: 00007f0622df5ef0 R09: 000000000380c080
R10: 000000000380c080 R11: 0000000000000246 R12: 0000200000012500
R13: 00007f0622df5eb0 R14: 0000000000012516 R15: 0000200000000200
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__gfs2_glock_put+0x355/0x3b0 fs/gfs2/glock.c:302
Code: 8b 3f 48 89 de e8 db 15 ff ff eb 25 e8 c4 75 e6 fd e9 d1 fe ff ff e8 ba 75 e6 fd 31 ff 48 89 de ba 01 00 00 00 e8 bb df ff ff <0f> 0b e8 a4 75 e6 fd 31 f6 65 ff 0d 13 9a 64 7c 40 0f 94 c5 40 0f
RSP: 0018:ffffc9000f6af768 EFLAGS: 00010246
RAX: a9931382facdf300 RBX: ffff88802950da68 RCX: 0000000000080000
RDX: ffffc9000d633000 RSI: 000000000001d5a6 RDI: 000000000001d5a7
RBP: 0000000000000000 R08: ffffc9000f6af007 R09: 1ffff92001ed5e00
R10: dffffc0000000000 R11: fffff52001ed5e01 R12: dffffc0000000000
R13: 1ffff1100f814015 R14: ffff88807c0a0000 R15: ffff88802950dd58
FS:  00007f0622df66c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c30744d CR3: 0000000058b61000 CR4: 00000000003506f0