loop0: detected capacity change from 0 to 32768
gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
gfs2: fsid=syz:syz: Now mounting FS (format 1802)...
gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms
gfs2: fsid=syz:syz.s: first mount done, others may mount
gfs2: fsid=syz:syz.s: ri_addr=18 ri_length=1 ri_data0=19 ri_data=524288 ri_bitbytes=515 start=0 len=515 offset=128
gfs2: fsid=syz:syz.s:  R: n:18 f:00 b:0/0 i:0 q:0 r:0 e:0
gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - RG = 18, function = compute_bitstructs, file = fs/gfs2/rgrp.c, line = 829
gfs2: fsid=syz:syz.s: G:  s:UN n:3/12 f:an t:UN d:EX/0 a:0 v:0 r:1 m:20 p:0
gfs2: fsid=syz:syz.s: about to withdraw this file system
------------[ cut here ]------------
kernel BUG at fs/gfs2/util.c:340!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted 6.15.0-rc5-syzkaller-00038-g707df3375124 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:gfs2_withdraw+0x1461/0x14f0 fs/gfs2/util.c:340
Code: ff ff 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c 31 f9 ff ff 48 8b 7c 24 10 e8 3a ea 2e fe e9 22 f9 ff ff e8 d0 f5 cc fd 90 <0f> 0b 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c 83 f9 ff ff 48
RSP: 0018:ffffc9000fef73e0 EFLAGS: 00010287
RAX: ffffffff83f2da80 RBX: ffffc9000fef74a0 RCX: 0000000000100000
RDX: ffffc9000e69b000 RSI: 00000000000ade2f RDI: 00000000000ade30
RBP: ffffc9000fef7570 R08: ffff88801fe23e93 R09: 1ffff11003fc47d2
R10: dffffc0000000000 R11: ffffed1003fc47d3 R12: dffffc0000000000
R13: 1ffff92001fdee90 R14: 1ffff1100a43a815 R15: 0000000000000004
FS:  00007fe7c4d2b6c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe262775000 CR3: 0000000042e38000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_consist_rgrpd_i+0x14b/0x1a0 fs/gfs2/util.c:480
 compute_bitstructs fs/gfs2/rgrp.c:-1 [inline]
 read_rindex_entry fs/gfs2/rgrp.c:931 [inline]
 gfs2_ri_update+0xba2/0x1650 fs/gfs2/rgrp.c:1001
 gfs2_rindex_update+0x2cd/0x370 fs/gfs2/rgrp.c:1051
 init_inodes+0x24e/0x320 fs/gfs2/ops_fstype.c:892
 gfs2_fill_super+0x18a3/0x2050 fs/gfs2/ops_fstype.c:1249
 get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1636
 gfs2_get_tree+0x51/0x1e0 fs/gfs2/ops_fstype.c:1330
 vfs_get_tree+0x8f/0x2b0 fs/super.c:1759
 do_new_mount+0x24a/0xa40 fs/namespace.c:3884
 do_mount fs/namespace.c:4224 [inline]
 __do_sys_mount fs/namespace.c:4435 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4412
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe7c3f9010a
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:00007fe7c4d2ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe7c4d2aef0 RCX: 00007fe7c3f9010a
RDX: 0000200000000000 RSI: 0000200000012500 RDI: 00007fe7c4d2aeb0
RBP: 0000200000000000 R08: 00007fe7c4d2aef0 R09: 0000000000000019
R10: 0000000000000019 R11: 0000000000000246 R12: 0000200000012500
R13: 00007fe7c4d2aeb0 R14: 000000000001251d R15: 0000200000000100
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gfs2_withdraw+0x1461/0x14f0 fs/gfs2/util.c:340
Code: ff ff 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c 31 f9 ff ff 48 8b 7c 24 10 e8 3a ea 2e fe e9 22 f9 ff ff e8 d0 f5 cc fd 90 <0f> 0b 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c 83 f9 ff ff 48
RSP: 0018:ffffc9000fef73e0 EFLAGS: 00010287
RAX: ffffffff83f2da80 RBX: ffffc9000fef74a0 RCX: 0000000000100000
RDX: ffffc9000e69b000 RSI: 00000000000ade2f RDI: 00000000000ade30
RBP: ffffc9000fef7570 R08: ffff88801fe23e93 R09: 1ffff11003fc47d2
R10: dffffc0000000000 R11: ffffed1003fc47d3 R12: dffffc0000000000
R13: 1ffff92001fdee90 R14: 1ffff1100a43a815 R15: 0000000000000004
FS:  00007fe7c4d2b6c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe262775000 CR3: 0000000042e38000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400