loop0: detected capacity change from 0 to 16
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4402 at fs/inode.c:364 inc_nlink+0x130/0x168 fs/inode.c:364
Modules linked in:
CPU: 1 PID: 4402 Comm: syz.0.63 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
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 : ffff80001ff579e0
x29: ffff80001ff579e0 x28: 1ffff00003feaf62 x27: 1ffff00003feaf5e
x26: 0000000000000000 x25: ffff0000e4412900 x24: ffff0000e01c87a0
x23: 1fffe0001c039032 x22: dfff800000000000 x21: 0000000000000007
x20: ffff0000e01c8148 x19: ffff0000e01c8190 x18: ffff80001ff57680
x17: 0000000000000002 x16: ffff80000824ecc0 x15: 0000000000026a14
x14: ffff80001713e500 x13: dfff800000000000 x12: 0000000000040000
x11: 0000000000026516 x10: ffff80002070a000 x9 : 0000000000026517
x8 : ffff8000089eaeb4 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000083059e0
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 inc_nlink+0x130/0x168 fs/inode.c:364
 v9fs_vfs_mkdir_dotl+0x538/0x6a0 fs/9p/vfs_inode_dotl.c:458
 vfs_mkdir+0x334/0x4e4 fs/namei.c:4065
 do_mkdirat+0x20c/0x610 fs/namei.c:4090
 __do_sys_mkdirat fs/namei.c:4105 [inline]
 __se_sys_mkdirat fs/namei.c:4103 [inline]
 __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4103
 __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:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 2136
hardirqs last  enabled at (2135): [<ffff8000083c7d64>] seqcount_lockdep_reader_access+0x208/0x2cc include/linux/seqlock.h:105
hardirqs last disabled at (2136): [<ffff800011abda6c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (1492): [<ffff8000080308b0>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (1490): [<ffff80000803087c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace febbdfd17d64f56f ]---