# https://syzkaller.appspot.com/bug?id=abb6cc54bd2802dfdeb0978f7adf870325b80f92
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{Threaded:true Collide:false Repeat:true Procs:8 Sandbox:none Fault:false FaultCall:-1 FaultNth:0 EnableTun:true UseTmpDir:true HandleSegv:true WaitRepeat:true Debug:false Repro:false}
mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x10, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
r0 = syz_open_dev$loop(&(0x7f000040b000-0xb)="2f6465762f6c6f6f702300", 0x0, 0x1)
r1 = memfd_create(&(0x7f000090a000-0x8)="0000000000000200", 0x2)
pwritev(r1, &(0x7f00000a4000-0x10)=[{&(0x7f0000c14000-0x200)="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", 0x1bb}], 0x1, 0x49)
ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1)
sendfile(r0, r1, &(0x7f00000de000-0x8)=0x0, 0x100000001)
gettid()
ioctl$LOOP_SET_STATUS64(r0, 0x4c04, &(0x7f00006fe000-0xe8)={0x0, 0x0, 0x0, 0xfffffffffffff000, 0x3ea, 0x0, 0x0, 0x1e, 0xd, "32b05d801e6649b812d2e6b6cc159442b12153132c9bf944cf270012da21ba80c040397714f77faa1e8ed3fc7209d64d14cec7479b05cae0c732de3ab6cc5f4b", "941406569a73d06556aee2943f5e94c844a55527af84fb28f011825af60910e7706eb4786b3a976da7b57211af834e7d98b839629689a1472f5578b2998bd7da", "efd55922a7dc329394610afbacd237d234afb805ebc3b94e4fb9d56dd03f1f8b", [0x905, 0x8]})
ftruncate(r0, 0x8)
sync_file_range(r0, 0x7f, 0x801, 0x7)
getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x22, &(0x7f0000685000)={0x0, 0x0, 0x9, 0x5, <r2=>0x0}, &(0x7f00008db000-0x4)=0x10)
getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000550000-0x8c)={r2, @in6={{0xa, 0x0, 0x8, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x0}, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}}, &(0x7f00000e5000)=0x8c)
userfaultfd(0x80000)
setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f0000adf000)=0x7, 0x4)
r3 = syz_open_dev$loop(&(0x7f0000e58000-0xb)="2f6465762f6c6f6f702300", 0x0, 0x4102)
mmap(&(0x7f0000e5b000/0x1000)=nil, 0x1000, 0x3, 0x2011, r3, 0x0)
shmctl$IPC_INFO(0x0, 0x3, &(0x7f0000e5b000)="")