fallocate(0xffffffffffffffff, 0x0, 0x9, 0x0)
r0 = socket$unix(0x1, 0x2, 0x0)
open$dir(0x0, 0x4000, 0x2)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x20008802}, 0x20000000)
ppoll(&(0x7f0000000080)=[{}, {}, {r0, 0x4000}, {0xffffffffffffffff, 0x8}, {r0, 0x4293}, {}], 0x6, &(0x7f00000000c0), 0x0, 0x0)
ioctl$sock_proto_private(r0, 0x89e0, 0x0)
ioctl$EXT4_IOC_ALLOC_DA_BLKS(r0, 0x660c)
r1 = openat(0xffffffffffffffff, &(0x7f0000000180)='/proc/self/exe\x00', 0x0, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x9)
ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0)
perf_event_open(&(0x7f0000001d80)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4307, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x23a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000052ec0))
ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000002e00)={0x0, [], 0x4, "9755154351ac9a"})
sendfile(r2, r1, 0x0, 0x4000007ffffffc)