# 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}
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000b4d000-0x30)={0x1, 0x2, &(0x7f0000000000)=[@generic={0x8db7, 0x0, 0x0, 0x0}, @generic={0x1, 0x0, 0x0, 0x0}], &(0x7f0000ef5000-0x6)="7351d6654f00", 0x1, 0x80, &(0x7f000000a000)="0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", 0x0, 0x0}, 0x30)
r2 = socket$kcm(0x29, 0x5, 0x0)
mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
ioctl$sock_kcm_SIOCKCMATTACH(r2, 0x89e0, &(0x7f0000000000)={r2, r1})
connect$inet(r0, &(0x7f000041f000)={0x2, 0x3, @local={0xac, 0x14, 0x0, 0xaa}, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x10)
writev(r2, &(0x7f0000530000+0x9b4)=[{&(0x7f0000e46000)="f5564f65850500000036a4fc97bec5016a2e", 0x12}, {&(0x7f0000422000-0x66)="882afe615d3555ac71f319de0300000000000000e970dc52f1e98bf3dcb8b4710bd97ba3bcb71a86fbfe391fb391a5bcc5deee1d3340e428ed1bae1ebfb9a044bd043b91774c2db49dfba9d3ed2cf74e2405aa6307ea145045cd7a5c07000000000000003435", 0x66}, {&(0x7f0000b04000-0xb1)="308b12c1201f0f3eb6e71100ffbc14b64fa2a9454f213b839a29bc4fc956e4deb93f9cccdbbf2e5d230aec612e8740385e85c9014221cceb7fc195c9ab493bc2f32599dd8084b4de983dc566f5aebd0be89990fdc176063c285a4a46f23702ef7ed1ac254561ab767179a60d3da1639e7f65f745194158707e34cced6a56d75d228bcef2ddda8d38bf707af76d5b695503ddd60a47338aabfa7d88489940448a7dc6c5ea3dc8e5af7423d302d874ec9a23", 0xb1}, {&(0x7f00002c6000)="f1020f45956372e05b196f6d7e4b3f9455ae422725a13a1ca639cb3cbb200e9117bd0b5ff1ed6b474266db139d912163cf0fb7250e2b813b27a71a2208cb79957747e155e4b8b7ba8bb44b66e43dfe2a", 0x50}, {&(0x7f00008eb000)="d3ed7c0c739cdb9c346255269dc9a84190ac06", 0x13}], 0x5)
r3 = socket(0x2, 0x5, 0x7da)
getsockopt$inet_sctp6_SCTP_MAXSEG(r3, 0x84, 0xd, &(0x7f0000feb000-0x8)=@assoc_value={0x0, 0x101}, &(0x7f0000355000)=0x8)
ioctl$sock_kcm_SIOCKCMCLONE(r2, 0x89e2, &(0x7f0000583000-0x4)={<r4=>r3})
mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
close(r2)
ioctl$fiemap(r4, 0xc020660b, &(0x7f00006b5000)={0x8d3, 0x4, 0x1, 0x101, 0x1, [{0x8, 0x3, 0x6, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0}]})
mmap(&(0x7f0000000000/0xf1d000)=nil, 0xf1d000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
bind$inet(0xffffffffffffffff, &(0x7f0000236000)={0x2, 0x2, @broadcast=0xffffffff, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x10)
r5 = socket$inet6(0xa, 0x80000, 0x2008)
getsockopt$inet6_mtu(r5, 0x29, 0x17, &(0x7f00004d4000-0x4)=0x0, &(0x7f0000bf9000)=0x4)
r6 = socket(0xf, 0xb, 0x102)
getsockopt$inet_sctp_SCTP_STATUS(r6, 0x84, 0xe, &(0x7f0000003000-0xb8)={<r7=>0x0, 0x3ac, 0xfffffffffffffffb, 0x5, 0x8, 0x40, 0x30, 0x4, {0x0, @in6={{0xa, 0x3, 0x4, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0xbb}, 0x3}, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x8, 0x2, 0x7, 0x5, 0x9}}, &(0x7f0000407000)=0xb8)
getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000af0000)={r7, 0x0}, &(0x7f00003d0000-0x4)=0x8)
accept$inet(r6, &(0x7f0000893000)={0x0, 0x0, @remote={0x0, 0x0, 0x0, 0x0}, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000bce000-0x4)=0x10)
unshare(0x40020000)
write(0xffffffffffffffff, &(0x7f0000c29000)="", 0x0)
pipe(&(0x7f000082e000-0x7)={0x0, 0x0})
r8 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_sctp_SCTP_AUTH_CHUNK(r6, 0x84, 0x15, &(0x7f0000177000)={0x80}, 0x1)
bind$inet(r8, &(0x7f00005e6000-0x10)={0x2, 0x0, @multicast1=0xe0000001, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x10)