------------[ cut here ]------------ WARNING: CPU: 0 PID: 6529 at fs/inode.c:464 inc_nlink+0x120/0x170 fs/inode.c:464 Modules linked in: CPU: 0 UID: 0 PID: 6529 Comm: syz.0.15 Not tainted 6.12.0-syzkaller-00971-g158f238aa69d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 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 : ffff80009be67b80 x29: ffff80009be67b80 x28: 1fffe0001d9b215c x27: dfff800000000000 x26: 0000000000000000 x25: 0000000000000000 x24: 000000000000007e x23: 1fffe0001d9b2160 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000ecd90ab8 x19: ffff0000ecd90b00 x18: ffff80009be673e0 x17: 0000000000022138 x16: ffff80008a38cfdc x15: 0000000000000001 x14: 1fffe00018005720 x13: 0000000000000000 x12: 0000000000000000 x11: ffff600018005721 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d5d6bc80 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff0000e0313a70 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inc_nlink+0x120/0x170 fs/inode.c:464 (P) inc_nlink+0x120/0x170 fs/inode.c:464 (L) inode_inc_link_count include/linux/fs.h:2515 [inline] sysv_mkdir+0x2c/0x138 fs/sysv/namei.c:119 vfs_mkdir+0x27c/0x410 fs/namei.c:4311 do_mkdirat+0x248/0x574 fs/namei.c:4334 __do_sys_mkdirat fs/namei.c:4349 [inline] __se_sys_mkdirat fs/namei.c:4347 [inline] __arm64_sys_mkdirat+0x8c/0xa4 fs/namei.c:4347 __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: 11199124 hardirqs last enabled at (11199123): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (11199124): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (11196608): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (11196608): [] handle_softirqs+0xa38/0xbf8 kernel/softirq.c:582 softirqs last disabled at (11196597): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]---