r0 = socket$inet6_udp(0xa, 0x2, 0x0)
setsockopt$inet6_udp_int(r0, 0x11, 0x1, &(0x7f0000000040)=0xfffeffff, 0x4)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
setsockopt$inet6_IPV6_ADDRFORM(r0, 0x29, 0x1, &(0x7f00000000c0), 0x4)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
dup2(r0, r1)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='mounts\x00')
sendmmsg$inet6(r0, &(0x7f0000007400)=[{{0x0, 0x0, &(0x7f0000000e80)=[{&(0x7f00000008c0)="15", 0x1}, {&(0x7f0000000980)='J', 0x1}, {&(0x7f0000000b40)='P', 0x1}, {&(0x7f0000000c00)="cd", 0x1}, {&(0x7f0000000c40)="238d2a", 0x3}], 0x5}}, {{0x0, 0x0, &(0x7f0000002640)=[{&(0x7f0000001180)='k', 0x1}, {&(0x7f0000001240)="fc", 0x1}, {&(0x7f0000002380)="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", 0xff}, {&(0x7f0000002480)="a0", 0x1}, {&(0x7f0000002540)="1f", 0x1}], 0x5}}, {{0x0, 0x0, &(0x7f00000072c0)=[{&(0x7f00000070c0)="f2", 0x1}], 0x1}}], 0x3, 0x0)
sendfile(r1, r2, 0x0, 0xffd0)