gfs2: fsid=syz:syz.0: first mount done, others may mount
gfs2: fsid=syz:syz.0: can't start logd thread: -4
gfs2: fsid=syz:syz.0: G:  s:UN n:2/923 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:289!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5254 Comm: syz.3.148 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__gfs2_glock_put+0x3d3/0x420 fs/gfs2/glock.c:289
Code: 00 00 e8 70 40 f5 fd 40 84 ed 75 2c e8 06 3e f5 fd e9 e3 fd ff ff e8 fc 3d f5 fd 31 ff 48 89 de ba 01 00 00 00 e8 0d de ff ff <0f> 0b e8 e6 3d f5 fd 0f 0b e9 2c ff ff ff e8 da 3d f5 fd e8 0d df
RSP: 0018:ffffc90004e27848 EFLAGS: 00010246
RAX: e905d5c247c04c00 RBX: ffff88807e631fb0 RCX: 0000000000080000
RDX: ffffc9000c8d1000 RSI: 0000000000016863 RDI: 0000000000016864
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff520009c4e1d
R10: fffff520009c4e1d R11: 1ffff920009c4e1c R12: dffffc0000000000
R13: 1ffff11009914015 R14: ffff88804c8a0000 R15: ffff88807e6322a0
FS:  00007fcdd117d6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f02ea60d000 CR3: 000000007e603000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_glock_put_eventually fs/gfs2/super.c:1257 [inline]
 gfs2_evict_inode+0xe85/0x1170 fs/gfs2/super.c:1534
 evict+0x485/0x870 fs/inode.c:705
 init_inodes+0x95/0x320 fs/gfs2/ops_fstype.c:924
 gfs2_fill_super+0x183e/0x1f80 fs/gfs2/ops_fstype.c:1291
 get_tree_bdev+0x3f1/0x610 fs/super.c:1366
 gfs2_get_tree+0x4d/0x1e0 fs/gfs2/ops_fstype.c:1327
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 do_new_mount+0x24a/0xa40 fs/namespace.c:3078
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3606
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fcdd0390eea
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:00007fcdd117ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcdd117cef0 RCX: 00007fcdd0390eea
RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fcdd117ceb0
RBP: 00002000000124c0 R08: 00007fcdd117cef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
R13: 00007fcdd117ceb0 R14: 00000000000125c7 R15: 0000200000000180
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__gfs2_glock_put+0x3d3/0x420 fs/gfs2/glock.c:289
Code: 00 00 e8 70 40 f5 fd 40 84 ed 75 2c e8 06 3e f5 fd e9 e3 fd ff ff e8 fc 3d f5 fd 31 ff 48 89 de ba 01 00 00 00 e8 0d de ff ff <0f> 0b e8 e6 3d f5 fd 0f 0b e9 2c ff ff ff e8 da 3d f5 fd e8 0d df
RSP: 0018:ffffc90004e27848 EFLAGS: 00010246
RAX: e905d5c247c04c00 RBX: ffff88807e631fb0 RCX: 0000000000080000
RDX: ffffc9000c8d1000 RSI: 0000000000016863 RDI: 0000000000016864
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff520009c4e1d
R10: fffff520009c4e1d R11: 1ffff920009c4e1c R12: dffffc0000000000
R13: 1ffff11009914015 R14: ffff88804c8a0000 R15: ffff88807e6322a0
FS:  00007fcdd117d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30223ffc CR3: 000000007e603000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400