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BUG: KASAN: vmalloc-out-of-bounds in gfs2_dump_glock+0x14d7/0x1ae0
Read of size 8 at addr ffffc9000415f840 by task syz-executor.5/10260

CPU: 1 PID: 10260 Comm: syz-executor.5 Not tainted 6.2.0-rc3-syzkaller-00030-ge8f60cd7db24 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106
 print_address_description+0x74/0x340 mm/kasan/report.c:306
 print_report+0x107/0x1f0 mm/kasan/report.c:417
 kasan_report+0xcd/0x100 mm/kasan/report.c:517
 gfs2_dump_glock+0x14d7/0x1ae0
 gfs2_consist_inode_i+0xf3/0x110 fs/gfs2/util.c:465
 gfs2_dirent_scan+0x535/0x650 fs/gfs2/dir.c:602
 gfs2_dirent_search+0x2ea/0xb10 fs/gfs2/dir.c:850
 gfs2_dir_search+0x8c/0x2a0 fs/gfs2/dir.c:1650
 gfs2_lookupi+0x498/0x680 fs/gfs2/inode.c:328
 __gfs2_lookup+0x8c/0x260 fs/gfs2/inode.c:880
 __lookup_slow+0x266/0x3a0 fs/namei.c:1685
 lookup_slow+0x53/0x70 fs/namei.c:1702
 walk_component+0x2e1/0x410 fs/namei.c:1993
 lookup_last fs/namei.c:2450 [inline]
 path_lookupat+0x17d/0x450 fs/namei.c:2474
 filename_lookup+0x274/0x650 fs/namei.c:2503
 user_path_at_empty+0x40/0x1a0 fs/namei.c:2876
 user_path_at include/linux/namei.h:57 [inline]
 do_fchownat+0xdf/0x240 fs/open.c:761
 __do_sys_lchown fs/open.c:792 [inline]
 __se_sys_lchown fs/open.c:790 [inline]
 __x64_sys_lchown+0x81/0x90 fs/open.c:790
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd3f988c0c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fd3f0fdd168 EFLAGS: 00000246 ORIG_RAX: 000000000000005e
RAX: ffffffffffffffda RBX: 00007fd3f99ac050 RCX: 00007fd3f988c0c9
RDX: 0000000000000000 RSI: 00000000706d6174 RDI: 0000000020000440
RBP: 00007fd3f98e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe415cf6ff R14: 00007fd3f0fdd300 R15: 0000000000022000
 </TASK>

Memory state around the buggy address:
 ffffc9000415f700: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc9000415f780: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>ffffc9000415f800: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                                           ^
 ffffc9000415f880: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc9000415f900: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
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