loop9: detected capacity change from 0 to 512
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6585 at fs/inode.c:389 inc_nlink+0x130/0x168 fs/inode.c:389
Modules linked in:
CPU: 1 PID: 6585 Comm: syz.9.741 Not tainted 5.15.186-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : inc_nlink+0x130/0x168 fs/inode.c:389
lr : inc_nlink+0x130/0x168 fs/inode.c:389
sp : ffff80001f7f7a60
x29: ffff80001f7f7a60 x28: dfff800000000000 x27: ffff700003efef58
x26: 0000000000000000 x25: ffff0000c9c7d200 x24: 0000000000000000
x23: 1fffe0001b9fa0fd x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000dcfd07a0 x19: ffff0000dcfd07e8 x18: 0000000000000000
x17: ffff800016cf2000 x16: ffff8000082d6448 x15: ffff8000167d2500
x14: ffff0000d6aa5bc0 x13: ffff0000d6aa5c38 x12: 0000000000080000
x11: 00000000000797a9 x10: ffff800021459000 x9 : ffff800008951014
x8 : 00000000000797aa x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000082d655c
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 inc_nlink+0x130/0x168 fs/inode.c:389
 v9fs_vfs_mkdir_dotl+0x410/0x4e8 fs/9p/vfs_inode_dotl.c:458
 vfs_mkdir+0x314/0x4d4 fs/namei.c:4065
 do_mkdirat+0x1bc/0x508 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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 4078
hardirqs last  enabled at (4077): [<ffff8000083896b8>] seqcount_lockdep_reader_access+0x1fc/0x2c4 include/linux/seqlock.h:105
hardirqs last disabled at (4078): [<ffff8000111adf74>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (3190): [<ffff800008031f40>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (3188): [<ffff800008031f0c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace fa1a69730c7ca882 ]---