syzbot

loop0: detected capacity change from 0 to 264192
detected buffer overflow in __fortify_strlen
------------[ cut here ]------------
kernel BUG at lib/string_helpers.c:1027!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3605 Comm: syz-executor320 Not tainted 6.0.0-syzkaller-09413-g4899a36f91a9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:fortify_panic+0x18/0x1a lib/string_helpers.c:1027
Code: 8c e8 8e e0 d3 fa e9 ac 97 b1 fa e8 b4 87 7a f8 eb db 55 48 89 fd e8 79 71 2d f8 48 89 ee 48 c7 c7 40 36 49 8a e8 1d e7 f0 ff <0f> 0b e8 63 71 2d f8 48 8b 54 24 18 4c 89 f1 48 c7 c7 c0 40 49 8a
RSP: 0018:ffffc9000408fb28 EFLAGS: 00010282
RAX: 000000000000002c RBX: ffff888021344000 RCX: 0000000000000000
RDX: ffff888027c59d80 RSI: ffffffff81612738 RDI: fffff52000811f57
RBP: ffffffff8a3b0220 R08: 000000000000002c R09: 0000000000000000
R10: 0000000080000000 R11: 6465746365746564 R12: 0000000000000040
R13: ffff8880215f147e R14: ffff8880215f0128 R15: 0000000000000000
FS:  0000555556389300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa30fbf5a70 CR3: 0000000020af2000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __fortify_strlen include/linux/fortify-string.h:186 [inline]
 strlcpy include/linux/fortify-string.h:201 [inline]
 init_names fs/gfs2/ops_fstype.c:385 [inline]
 gfs2_fill_super+0x1226/0x27f0 fs/gfs2/ops_fstype.c:1187
 get_tree_bdev+0x440/0x760 fs/super.c:1323
 gfs2_get_tree+0x4a/0x270 fs/gfs2/ops_fstype.c:1323
 vfs_get_tree+0x89/0x2f0 fs/super.c:1530
 do_new_mount fs/namespace.c:3040 [inline]
 path_mount+0x1326/0x1e20 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __x64_sys_mount+0x27f/0x300 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdcadafc03a
Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcde0fd3a8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdcadafc03a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffcde0fd3c0
RBP: 00007ffcde0fd3c0 R08: 00007ffcde0fd400 R09: 00005555563892c0
R10: 0000000000000008 R11: 0000000000000282 R12: 0000000000000004
R13: 00007ffcde0fd400 R14: 0000000000000001 R15: 0000000020000218
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:fortify_panic+0x18/0x1a lib/string_helpers.c:1027
Code: 8c e8 8e e0 d3 fa e9 ac 97 b1 fa e8 b4 87 7a f8 eb db 55 48 89 fd e8 79 71 2d f8 48 89 ee 48 c7 c7 40 36 49 8a e8 1d e7 f0 ff <0f> 0b e8 63 71 2d f8 48 8b 54 24 18 4c 89 f1 48 c7 c7 c0 40 49 8a
RSP: 0018:ffffc9000408fb28 EFLAGS: 00010282
RAX: 000000000000002c RBX: ffff888021344000 RCX: 0000000000000000
RDX: ffff888027c59d80 RSI: ffffffff81612738 RDI: fffff52000811f57
RBP: ffffffff8a3b0220 R08: 000000000000002c R09: 0000000000000000
R10: 0000000080000000 R11: 6465746365746564 R12: 0000000000000040
R13: ffff8880215f147e R14: ffff8880215f0128 R15: 0000000000000000
FS:  0000555556389300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa30fbf5a70 CR3: 0000000020af2000 CR4: 0000000000350ef0