loop4: detected capacity change from 0 to 32768
gfs2: fsid=
: Trying to join cluster "lock_nolock", "
"
gfs2: fsid=
: Now mounting FS (format 0)...
================================================================================
UBSAN: array-index-out-of-bounds in fs/gfs2/bmap.c:898:46
index 11 is out of range for type 'u64[11]' (aka 'unsigned long long[11]')
CPU: 1 PID: 30127 Comm: syz-executor.4 Not tainted 6.2.0-syzkaller-09238-gd2980d8d8265 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_out_of_bounds+0x11c/0x150 lib/ubsan.c:348
 __gfs2_iomap_get+0x4b7/0x1490 fs/gfs2/bmap.c:898
 gfs2_iomap_get fs/gfs2/bmap.c:1410 [inline]
 gfs2_block_map+0x296/0x800 fs/gfs2/bmap.c:1225
 gfs2_write_alloc_required+0x399/0x660 fs/gfs2/bmap.c:2333
 gfs2_jdesc_check+0x1c2/0x290 fs/gfs2/super.c:114
 check_journal_clean+0x162/0x360 fs/gfs2/util.c:68
 init_journal+0x192c/0x2560 fs/gfs2/ops_fstype.c:830
 init_inodes+0xdc/0x310 fs/gfs2/ops_fstype.c:889
 gfs2_fill_super+0x1d02/0x2840 fs/gfs2/ops_fstype.c:1253
 get_tree_bdev+0x402/0x620 fs/super.c:1294
 gfs2_get_tree+0x54/0x210 fs/gfs2/ops_fstype.c:1338
 vfs_get_tree+0x8c/0x270 fs/super.c:1501
 do_new_mount+0x28f/0xae0 fs/namespace.c:3031
 do_mount fs/namespace.c:3374 [inline]
 __do_sys_mount fs/namespace.c:3583 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3560
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1b66c8d62a
Code: 48 c7 c2 b8 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1b67acef88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 000000000001343f RCX: 00007f1b66c8d62a
RDX: 0000000020000100 RSI: 0000000020013440 RDI: 00007f1b67acefe0
RBP: 00007f1b67acf020 R08: 00007f1b67acf020 R09: 0000000000000081
R10: 0000000000000081 R11: 0000000000000202 R12: 0000000020000100
R13: 0000000020013440 R14: 00007f1b67acefe0 R15: 0000000020000140
 </TASK>
================================================================================