loop4: detected capacity change from 0 to 512 EXT2-fs (loop4): warning: mounting ext3 filesystem as ext2 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6259 at fs/inode.c:364 inc_nlink+0x130/0x168 fs/inode.c:364 Modules linked in: CPU: 0 PID: 6259 Comm: syz-executor.4 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 : ffff80001f807b30 x29: ffff80001f807b30 x28: ffff80001494fd20 x27: dfff800000000000 x26: ffff00011faa07a8 x25: 0000000000000000 x24: ffff00011faa07d0 x23: 1fffe00023f540fe x22: dfff800000000000 x21: 0000000000000000 x20: ffff00011faa07a8 x19: ffff00011faa07f0 x18: 0000000000000000 x17: ff8080000a5aca08 x16: ffff800011941110 x15: ffff80000a5aca08 x14: 00000000ffff8000 x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000000f574 x10: ffff80002305d000 x9 : ffff8000089dae90 x8 : 000000000000f575 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: 2316 hardirqs last enabled at (2315): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (2316): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (2308): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2308): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (2275): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2275): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2275): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace b9b95f9ec51a04e1 ]---