------------[ cut here ]------------ WARNING: CPU: 1 PID: 29327 at fs/kernfs/dir.c:36 kernfs_active fs/kernfs/dir.c:36 [inline] WARNING: CPU: 1 PID: 29327 at fs/kernfs/dir.c:36 kernfs_find_and_get_node_by_id+0x19c/0x1a4 fs/kernfs/dir.c:708 Modules linked in: CPU: 1 PID: 29327 Comm: syz-executor.3 Not tainted 6.1.0-rc5-syzkaller-32269-g9500fc6e9e60 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : kernfs_active fs/kernfs/dir.c:36 [inline] pc : kernfs_find_and_get_node_by_id+0x19c/0x1a4 fs/kernfs/dir.c:708 lr : kernfs_active fs/kernfs/dir.c:36 [inline] lr : kernfs_find_and_get_node_by_id+0x19c/0x1a4 fs/kernfs/dir.c:708 sp : ffff80002077bb40 x29: ffff80002077bb40 x28: ffff00010a100000 x27: ffff80000c11f178 x26: ffff00010a100000 x25: ffff00010def0008 x24: 0000000000000004 x23: ffff0000ca7c5180 x22: 0000000000000004 x21: 0000000000000001 x20: 0000000000000000 x19: ffff0000c01a5150 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80000dc18158 x15: ffff00010a100000 x14: 0000000000000008 x13: 00000000ffffffff x12: 0000000000040000 x11: 00000000000001b9 x10: ffff80001ba5c000 x9 : ffff8000087065a0 x8 : 00000000000001ba x7 : ffff800008706430 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: kernfs_active fs/kernfs/dir.c:36 [inline] kernfs_find_and_get_node_by_id+0x19c/0x1a4 fs/kernfs/dir.c:708 __kernfs_fh_to_dentry fs/kernfs/mount.c:102 [inline] kernfs_fh_to_dentry+0x98/0x100 fs/kernfs/mount.c:128 exportfs_decode_fh_raw+0xb0/0x368 fs/exportfs/expfs.c:435 exportfs_decode_fh+0x50/0x80 fs/exportfs/expfs.c:575 do_handle_to_path fs/fhandle.c:152 [inline] handle_to_path fs/fhandle.c:207 [inline] do_handle_open+0x35c/0x574 fs/fhandle.c:223 __do_sys_open_by_handle_at fs/fhandle.c:265 [inline] __se_sys_open_by_handle_at fs/fhandle.c:256 [inline] __arm64_sys_open_by_handle_at+0x2c/0x3c fs/fhandle.c:256 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 irq event stamp: 328 hardirqs last enabled at (327): [] local_daif_restore arch/arm64/include/asm/daifflags.h:75 [inline] hardirqs last enabled at (327): [] el0_svc_common+0x40/0x220 arch/arm64/kernel/syscall.c:107 hardirqs last disabled at (328): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (322): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (320): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---