loop6: detected capacity change from 0 to 128
VFS: Found a Xenix FS (block size = 1024) on device loop6
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WARNING: CPU: 1 PID: 8174 at fs/inode.c:464 inc_nlink+0x120/0x170 fs/inode.c:464
Modules linked in:
CPU: 1 UID: 0 PID: 8174 Comm: syz.6.345 Not tainted 6.14.0-syzkaller-gd6b13dbd03b7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : inc_nlink+0x120/0x170 fs/inode.c:464
lr : inc_nlink+0x120/0x170 fs/inode.c:464
sp : ffff8000a3ec7b80
x29: ffff8000a3ec7b80 x28: 1fffe0001bb1200c x27: dfff800000000000
x26: 0000000000000000 x25: 0000000000000000 x24: 000000000000007e
x23: 1fffe0001bb12010 x22: dfff800000000000 x21: 0000000000000008
x20: ffff0000dd890038 x19: ffff0000dd890080 x18: ffff8000a3ec73e0
x17: 00000000000419de x16: ffff80008b86bc40 x15: 0000000000000005
x14: 1ffff000147d8f48 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 00000000000014b0 x9 : ffff8000a4479000
x8 : 00000000000014b1 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : ffff8000a3ec7a20 x3 : 0000000000000000
x2 : ffff0000ddbbe758 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 inc_nlink+0x120/0x170 fs/inode.c:464 (P)
 inode_inc_link_count include/linux/fs.h:2577 [inline]
 sysv_mkdir+0x2c/0x138 fs/sysv/namei.c:119
 vfs_mkdir+0x27c/0x410 fs/namei.c:4313
 do_mkdirat+0x250/0x584 fs/namei.c:4336
 __do_sys_mkdirat fs/namei.c:4351 [inline]
 __se_sys_mkdirat fs/namei.c:4349 [inline]
 __arm64_sys_mkdirat+0x8c/0xa4 fs/namei.c:4349
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 5366
hardirqs last  enabled at (5365): [<ffff800080bfc6f4>] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234
hardirqs last disabled at (5366): [<ffff80008b867bd4>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (5310): [<ffff8000801295e4>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (5308): [<ffff8000801295b0>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---