# https://syzkaller.appspot.com/bug?id=17a06459ecad660a3d00c3e41a4b1a7be6bca19e
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{Threaded:true Collide:false Repeat:false Procs:1 Sandbox:none Fault:false FaultCall:-1 FaultNth:0 EnableTun:true UseTmpDir:true HandleSegv:true WaitRepeat:true Debug:false Repro:false}
mmap(&(0x7f0000000000/0xfdf000)=nil, 0xfdf000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000960000)='/dev/ptmx\x00', 0x0, 0x0)
getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1a, &(0x7f0000dc5000)={<r1=>0x0, 0x1000, "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"}, &(0x7f0000fdc000)=0x1008)
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000fdb000)={r1, 0xda, "daa688e3b43f1f3f66da2ba972aea0196c18ef1b3c7aad4af34d6cbf618bcaec805bf7a54de9e4c90f54ed0fc263806894f729ba48c4a139aa5b25f1ee4b5613f3071934143e52bf28a51c374e44cf881d474c457b1dc4990c7b52d39892a47ce7331ab223e1a858c8b1ac08c221fb72015f1b7e2aeed7a3a7a7aea06cab6ae48ec541a20600b6dda5d78c0d822bb02b6e22ba32a27e29bf319cfa0a432264c0e4d5e54a51ac630ce0e01033d9659515c1b8f3f40db1fbeb16871ff852fd1024b5970f845a5a563677dd2b416d2fa0129d26190ebeb72842a2b1"}, &(0x7f000070d000-0x4)=0xe2)
ioctl$TCSETAW(r0, 0x5402, &(0x7f0000fd6000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x3fd, 0x0, 0x0, 0xffffffff, 0xfff})
ioctl$TCSETS(r0, 0x40045431, &(0x7f00003ba000-0x24)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r2 = syz_open_pts(r0, 0x0)
readv(r2, &(0x7f0000fd6000)=[{&(0x7f00000c2000-0xbb)=""/187, 0xbb}, {&(0x7f0000228000-0x30)=""/48, 0x30}, {&(0x7f0000063000)=""/123, 0x7b}, {&(0x7f0000314000-0xd7)=""/215, 0xd7}], 0x4)
ioctl$TCXONC(r0, 0x540a, 0x2)
ioctl$FIONREAD(r2, 0x541b, &(0x7f0000f77000-0x1)=0x0)