# https://syzkaller.appspot.com/bug?id=abb6cc54bd2802dfdeb0978f7adf870325b80f92
# 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(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
r0 = socket$inet6(0xa, 0x1, 0x8010000000000084)
setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000e59000-0x8)={0x0, 0x0}, 0x8)
accept4(r0, &(0x7f0000f1e000)=@l2={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0, 0x0}, &(0x7f00004fe000)=0xe, 0x80800)
r1 = syz_open_dev$vcsn(&(0x7f0000dcb000)="2f6465762f7663732300", 0x100000001, 0x80002)
ioctl$sock_inet_tcp_SIOCATMARK(r1, 0x8905, &(0x7f0000b0c000-0x4)=0x0)
bind$inet6(r0, &(0x7f0000a9b000-0x1c)={0xa, 0x0, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x0}, 0x1c)
listen(r0, 0x800000000000004)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg(r2, &(0x7f0000295000-0x78)=[{{&(0x7f0000ac1000-0x1c)=@in6={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x0}, 0x1c, &(0x7f0000ac1000)=[{&(0x7f0000af7000)="", 0x0}], 0x1, &(0x7f0000ac1000)=[], 0x0, 0x0}, 0x0}, {{&(0x7f00005c1000-0xe)=@l2={0x1f, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0, 0x0}, 0xe, &(0x7f0000ac1000)=[{&(0x7f0000ac2000-0x5)="76", 0x1}], 0x1, &(0x7f000053b000)=[], 0x0, 0x0}, 0x0}], 0x2, 0x0)