# https://syzkaller.appspot.com/bug?id=bff61d87129afb198021fa0a2d4d09706a14ada8
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{Threaded:true Collide:true Repeat:true Procs:8 Sandbox:namespace Fault:false FaultCall:-1 FaultNth:0 EnableTun:true UseTmpDir:true HandleSegv:true WaitRepeat:true Debug:false Repro:false}
mmap(&(0x7f0000000000/0xff9000)=nil, 0xff9000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
r0 = socket$inet(0x2, 0x3, 0xff)
mmap(&(0x7f0000ff9000/0x1000)=nil, 0x1000, 0x1, 0x10010, r0, 0x4)
ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000cd3000-0x20)={@syzn={0x73, 0x79, 0x7a, 0x0, 0x0}, @ifru_flags=0x1000})
mmap(&(0x7f0000ffa000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
ioctl$sock_inet_SIOCGIFDSTADDR(r0, 0x8917, &(0x7f0000ffa000)={@generic="0bcbce4572461ea25d9f2861e998187a", @ifru_addrs={0x2, 0x3, @loopback=0x7f000001, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}})
mmap(&(0x7f0000ffb000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000cdc000-0x10)={<r1=>0x0, 0x2, &(0x7f0000ffd000)=[@in6={0xa, 0x3, 0xffffffffffff4333, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0xaa}, 0x0}, @in6={0xa, 0x0, 0x2, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0xaa}, 0x8}]}, &(0x7f0000f29000)=0x10)
mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
setsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000ffd000)={r1, @in={{0x2, 0x2, @multicast1=0xe0000001, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}}, 0x8c)
socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000ffd000-0x8)={<r2=>0xffffffffffffffff, <r3=>0xffffffffffffffff})
setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, &(0x7f0000ffb000)={@empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x3f, 0x2, 0x0, 0x9, 0x2, 0x8, 0x1}, 0x20)
mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
getsockopt$inet6_IPV6_XFRM_POLICY(r2, 0x29, 0x23, &(0x7f0000e90000-0xe8)={{{@in=@loopback=0x0, @in=@loopback=0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r4=>0x0, 0x0}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, {0x0, 0x0, 0x0, 0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, {{@in=@multicast1=0x0, 0x0, 0x0}, 0x0, @in=@broadcast=0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, &(0x7f0000ffd000)=0xe8)
mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
ioctl$sock_inet6_SIOCDIFADDR(r2, 0x8936, &(0x7f0000ffd000)={@loopback={0x0, 0x1}, 0x4, r4})
mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
setsockopt$inet_buf(r0, 0x0, 0x30, &(0x7f0000177000-0xcd)="9d7da0def89707ffbd02bb0c24b1ed7ec3a9eb8e0086c45c23af24335652cbc63f3b72798fc161a454bd16ff7f000084b6d134c41c5843ff00000008ce02c3f7c4c7eec4d1a681acffffffffff4efffedfb42a6ca1cdbe2dc17c54f0f792fdff00f9808c4ffc0023870ea1b84ff8ae2d559e791b0dcbe2ccbafae3030ecec90c4b206c4d1089fe00000009300200000000000000da9dffb23f6df407a11ff33bc8b9593588e002e2104cfcf271d04e24b1dd9ee3792cacaee49109fc8cd1d8cf071f51c509326be918dd030635", 0xcd)
mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
getsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000d3d000-0x4)=0x0, &(0x7f0000fff000-0x4)=0x4)
mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000fff000-0x28)={@syzn={0x73, 0x79, 0x7a, 0x0, 0x0}, r4, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]})
mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000fff000-0xe8)={{{@in=@broadcast=0x0, @in=@loopback=0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, {0x0, 0x0, 0x0, 0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, {{@in=@rand_addr=0x0, 0x0, 0x0}, 0x0, @in=@broadcast=0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, &(0x7f0000fff000-0x4)=0xe8)
connect$inet(r0, &(0x7f0000da7000)={0x2, 0x1, @empty=0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x10)
sendto$inet(r0, &(0x7f00001ae000-0x89)="f74629328ba0cc08b0ec89cd73f062ca86b65f4e3a30d91eba22b1d9e841576af20d81c321ce5bc070b493b10b36258140b24df8355944d3e2712e938c4d852cd71f427919ac47e5a654a6ce8100adf4a89050d8ccc923c5dd3fd6347f905da09dc1a4d7dfd4b733b5401553ebb7cc2ee078bf45ab3e94696152465135e202367da8f6638448f05a60", 0x89, 0x8004, &(0x7f0000932000-0x10)={0x2, 0x1, @loopback=0x7f000001, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x10)
ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f00002af000)={@common="6c6f0000000000000000000000000000", @ifru_addrs={0x2, 0x0, @multicast2=0xe0000002, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}})