r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x105142, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r2 = dup2(r1, r0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$iso9660(&(0x7f0000000040), &(0x7f0000000080)='./file1\x00', 0x0, 0x0, &(0x7f0000001640), 0x10018c6, &(0x7f0000000200)=ANY=[]) r3 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0xa001, 0x0) syz_mount_image$vfat(0x0, 0x0, 0x0, 0x1, &(0x7f0000000200)=[{0x0, 0x0, 0x10009ff}], 0x0, 0x0) creat(0x0, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) sendfile(r3, r2, 0x0, 0x7ffffff9) ioctl$BTRFS_IOC_BALANCE_PROGRESS(0xffffffffffffffff, 0x84009422, 0x0)