syz_open_dev$vcsn(0x0, 0x3, 0x39da81) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) perf_event_open(&(0x7f0000001d80)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4307, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$sr(0xffffffffffffff9c, &(0x7f00000035c0), 0xe8b02, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$SG_IO(r0, 0x127f, &(0x7f00000003c0)={0xe00, 0x0, 0x0, 0x0, @buffer={0x300, 0x0, 0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) socket$netlink(0x10, 0x3, 0x0) fcntl$setown(0xffffffffffffffff, 0x8, 0xffffffffffffffff) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r1, &(0x7f0000000000)) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f0000000200)) dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$AUTOFS_IOC_PROTOSUBVER(0xffffffffffffffff, 0x80049367, &(0x7f0000000200)) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82)