r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x72, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 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={&(0x7f0000000000), 0x6}, 0x0, 0x2, 0x4}, 0x0, 0x4000000000000000, 0xffffffffffffffff, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x922c2, 0x120)
writev(r1, &(0x7f0000000140)=[{&(0x7f00000000c0)='x', 0x1}], 0x1)
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x1000009, 0x1f012, r1, 0x0)
ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, 0x0)
r2 = fork()
ptrace(0x11, r2)
setsockopt$packet_rx_ring(r1, 0x107, 0x5, &(0x7f0000000080)=@req3={0x200, 0x0, 0x0, 0x8, 0x20, 0x1, 0x558000}, 0x1c)
ptrace(0x10, r2)
ptrace$getregset(0x4204, r2, 0x2, &(0x7f0000000140)={&(0x7f0000001280)=""/4096, 0x1000})
r3 = fork()
socket$nl_generic(0x10, 0x3, 0x10)
tkill(r3, 0x37)
ioctl$TIOCVHANGUP(0xffffffffffffffff, 0x5437, 0x0)
kcmp(r3, r2, 0x4, r0, 0xffffffffffffffff)