------------[ cut here ]------------
WARNING: CPU: 1 PID: 9044 at fs/inode.c:364 inc_nlink+0x130/0x168 fs/inode.c:364
Modules linked in:
CPU: 1 PID: 9044 Comm: syz-executor.2 Not tainted 5.15.110-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : inc_nlink+0x130/0x168 fs/inode.c:364
lr : inc_nlink+0x130/0x168 fs/inode.c:364
sp : ffff80001e357b30
x29: ffff80001e357b30 x28: ffff80001494fd20 x27: dfff800000000000
x26: ffff0000dc7ac198 x25: 0000000000000000 x24: ffff0000dc7ac1c0
x23: 1fffe0001b8f583c x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000dc7ac198 x19: ffff0000dc7ac1e0 x18: 0000000000000000
x17: ff8080000a5aca08 x16: ffff800011941110 x15: ffff80000a5aca08
x14: 00000000ffff8000 x13: ffffffffffffffff x12: 0000000000040000
x11: 00000000000110b9 x10: ffff8000201f9000 x9 : ffff8000089dae90
x8 : 00000000000110ba x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 inc_nlink+0x130/0x168 fs/inode.c:364
 inode_inc_link_count include/linux/fs.h:2423 [inline]
 ext2_mkdir+0x54/0x258 fs/ext2/namei.c:241
 vfs_mkdir+0x350/0x514 fs/namei.c:3994
 do_mkdirat+0x20c/0x610 fs/namei.c:4019
 __do_sys_mkdirat fs/namei.c:4034 [inline]
 __se_sys_mkdirat fs/namei.c:4032 [inline]
 __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4032
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 2932
hardirqs last  enabled at (2931): [<ffff8000088c6d88>] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231
hardirqs last disabled at (2932): [<ffff80001193d130>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387
softirqs last  enabled at (2852): [<ffff800008030068>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (2850): [<ffff800008030034>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace bd04f26527cdf53e ]---