# https://syzkaller.appspot.com/bug?id=74749bda92fa5b6a3b3d5db37a64d1d480026ac2
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"threaded":true,"repeat":true,"procs":6,"slowdown":1,"sandbox":"none","fault_call":-1,"tun":true,"resetnet":true,"close_fds":true}
preadv(0xffffffffffffffff, &(0x7f0000002340)=[{&(0x7f0000000100)=""/4092, 0xffc}], 0x1, 0x0, 0x0)
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='stack\x00')
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
r2 = socket$inet6_tcp(0xa, 0x1, 0x0)
r3 = fcntl$dupfd(r1, 0x0, r2)
setsockopt$IPT_SO_SET_REPLACE(r3, 0x0, 0x40, &(0x7f00000007c0)=ANY=[@ANYBLOB="726177000000000000000000000000000000000000000000000000008000000008f80000030000003003000098020000000000000000000000000000000000009802000098020000a10200009802000098020000030080000000000000000000ffffffffe00000010000000000000000e4000000010000000000bd00000000007465616d5f736c6176655f310000000000000000000000000000000000c100000000000000000000000000000000000000000000f3000000c001080200000000000000000000000000000000000000005001686173686c696d6974000000000000000000000000000000000000000002726f736530000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000021000000000000000000000000000000000000000000000000000000000000d5ee0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000fcffffffffffffff000000000000000000000000030000000700000000000000000000000000000048004354000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000004000000000000000000000000000000700090000000004b0700000800000000000000000000000020004e4f545241434b0000400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000007000980000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000feffffff"], 0x1)
preadv(r0, &(0x7f00000017c0), 0x1c1, 0x0, 0x0)