------------[ cut here ]------------
WARNING: CPU: 1 PID: 20680 at lib/string_helpers.c:1029 __fortify_report+0x6c/0x74 lib/string_helpers.c:1029
strnlen: detected buffer overflow: 17 byte read of buffer size 16
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 PID: 20680 Comm: syz-executor.0 Not tainted 6.10.0-rc3-syzkaller #0
Hardware name: ARM-Versatile Express
Call trace: 
[<818d4398>] (dump_backtrace) from [<818d4494>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:00000000 r6:82622d44 r5:00000000 r4:81fe1440
[<818d447c>] (show_stack) from [<818f1abc>] (__dump_stack lib/dump_stack.c:88 [inline])
[<818d447c>] (show_stack) from [<818f1abc>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:114)
[<818f1a68>] (dump_stack_lvl) from [<818f1afc>] (dump_stack+0x18/0x1c lib/dump_stack.c:123)
 r5:00000000 r4:8285fd18
[<818f1ae4>] (dump_stack) from [<818d4f3c>] (panic+0x120/0x358 kernel/panic.c:347)
[<818d4e1c>] (panic) from [<80243dcc>] (check_panic_on_warn kernel/panic.c:240 [inline])
[<818d4e1c>] (panic) from [<80243dcc>] (print_tainted+0x0/0xa0 kernel/panic.c:235)
 r3:8260c5c4 r2:00000001 r1:81fca0b0 r0:81fd1d00
 r7:8080f6b8
[<80243d58>] (check_panic_on_warn) from [<80243fc0>] (__warn+0x7c/0x180 kernel/panic.c:693)
[<80243f44>] (__warn) from [<802442ac>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:726)
 r8:00000009 r7:8202ef84 r6:eb13ddb4 r5:83f00c00 r4:00000000
[<802440c8>] (warn_slowpath_fmt) from [<8080f6b8>] (__fortify_report+0x6c/0x74 lib/string_helpers.c:1029)
 r10:8271c088 r9:00000003 r8:eb13dec3 r7:83e97800 r6:20000180 r5:83676478
 r4:82eb4000
[<8080f64c>] (__fortify_report) from [<818de780>] (__fortify_panic+0x10/0x14 lib/string_helpers.c:1036)
[<818de770>] (__fortify_panic) from [<8062af70>] (strnlen include/linux/fortify-string.h:235 [inline])
[<818de770>] (__fortify_panic) from [<8062af70>] (sized_strscpy include/linux/fortify-string.h:309 [inline])
[<818de770>] (__fortify_panic) from [<8062af70>] (ext4_ioctl_getlabel fs/ext4/ioctl.c:1154 [inline])
[<818de770>] (__fortify_panic) from [<8062af70>] (ext4_fileattr_get+0x0/0x78 fs/ext4/ioctl.c:1609)
[<80628e5c>] (__ext4_ioctl) from [<8062b66c>] (ext4_ioctl+0x10/0x14 fs/ext4/ioctl.c:1626)
 r10:83f00c00 r9:00000003 r8:85087e40 r7:20000180 r6:85087e41 r5:00000000
 r4:81009431
[<8062b65c>] (ext4_ioctl) from [<8051a9f4>] (vfs_ioctl fs/ioctl.c:51 [inline])
[<8062b65c>] (ext4_ioctl) from [<8051a9f4>] (do_vfs_ioctl fs/ioctl.c:861 [inline])
[<8062b65c>] (ext4_ioctl) from [<8051a9f4>] (__do_sys_ioctl fs/ioctl.c:905 [inline])
[<8062b65c>] (ext4_ioctl) from [<8051a9f4>] (sys_ioctl+0x134/0xda4 fs/ioctl.c:893)
[<8051a8c0>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xeb13dfa8 to 0xeb13dff0)
dfa0:                   00000000 00000000 00000003 81009431 20000180 00000000
dfc0: 00000000 00000000 001542c8 00000036 7ef1f336 7ef1f337 003d0f00 76b230fc
dfe0: 76b22f08 76b22ef8 00016f30 00051660
 r10:00000036 r9:83f00c00 r8:8020029c r7:00000036 r6:001542c8 r5:00000000
 r4:00000000
Rebooting in 86400 seconds..