# https://syzkaller.appspot.com/bug?id=d6533ca4afc571e2db183c47b749ea44c1c5c2db
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"threaded":true,"collide":true,"repeat":true,"procs":8,"sandbox":"namespace","fault_call":-1,"tun":true,"tmpdir":true,"cgroups":true,"netdev":true,"resetnet":true,"segv":true,"waitrepeat":true}
r0 = socket$inet6_sctp(0xa, 0x0, 0x84)
ioctl$sock_inet_SIOCGIFPFLAGS(r0, 0x8935, &(0x7f0000000080)={'ifb0\x00', 0x5})
r1 = socket$inet6(0xa, 0x1, 0x0)
ioctl(r1, 0x4000008912, &(0x7f0000000140)="2164e13120a4f477678e0b")
r2 = socket$inet(0x2, 0x4000000000000001, 0x0)
setsockopt$inet_tcp_TCP_CONGESTION(r2, 0x6, 0xd, &(0x7f00000000c0)='hybla\x00', 0x6)
r3 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dsp\x00', 0x200, 0x0)
setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r3, 0x111, 0x1, 0x3ff, 0x4)
setsockopt$inet_tcp_int(r2, 0x6, 0x80000000000002, &(0x7f0000000140)=0x78, 0x4)
bind$inet(r2, &(0x7f0000deb000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10)
setsockopt$SO_ATTACH_FILTER(r2, 0x1, 0x1a, &(0x7f0000b86000)={0x1, &(0x7f0000f40ff8)=[{0x6, 0x0, 0x0, 0xe8}]}, 0x10)
sendto$inet(r2, &(0x7f0000a88f88), 0x29f, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10)
sendmsg$inet_sctp(r2, &(0x7f0000000f00)={&(0x7f0000000000)=@in={0x2, 0x0, @multicast1=0xe0000001}, 0x10, &(0x7f0000000d80)=[{&(0x7f0000001200)="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", 0xdcd}], 0x1, &(0x7f0000000e40)=[@authinfo={0x18, 0x84, 0x6}, @authinfo={0x18, 0x84, 0x6}, @authinfo={0x18, 0x84, 0x6, {0x817}}, @dstaddrv4={0x18, 0x84, 0x7, @remote={0xac, 0x14, 0x14, 0xbb}}], 0x60, 0x804}, 0x20000000)
lstat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000180))