# https://syzkaller.appspot.com/bug?id=1b5b608011e71ffbba62f5686c2c7682c8371383
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{Threaded:true Collide:true Repeat:false Procs:1 Sandbox:namespace Fault:false FaultCall:-1 FaultNth:0 EnableTun:true UseTmpDir:true HandleSegv:true WaitRepeat:true Debug:false Repro:false}
r0 = getpgrp(0xffffffffffffffff)
fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000457000)={0x0, 0x0})
perf_event_open(&(0x7f0000c01000-0x78)={0x2, 0x78, 0xdf, 0x0, 0x0, 0x100000000, 0x0, 0x7f, 0x0, 0x0, 0xfe, 0x2, 0x0, 0x0, 0x0, 0x40000000000000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, r0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xfdf000)=nil, 0xfdf000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
r1 = syz_open_dev$mice(&(0x7f00007c2000-0x10)="2f6465762f696e7075742f6d69636500", 0x0, 0x4004005)
ioctl$TIOCLINUX4(r1, 0x541c, &(0x7f0000c4a000-0x1)=0x4)
fcntl$setown(0xffffffffffffffff, 0x8, 0x0)
fcntl$setsig(0xffffffffffffffff, 0xa, 0x10)
gettid()
futex(&(0x7f000000d000-0x4)=0x1, 0x800000000006, 0x0, &(0x7f00003b7000-0x10)={0x77359404, 0x0}, &(0x7f0000048000)=0x0, 0x0)
futex(&(0x7f000000d000-0x4)=0x4000000000000002, 0x801, 0x0, &(0x7f0000c00000-0x10)={0x0, 0x1c9c380}, &(0x7f0000048000)=0x0, 0x0)
r2 = semget(0x0, 0x2, 0x270)
semctl$IPC_INFO(r2, 0x0, 0x3, &(0x7f00001b7000-0x5b)="")
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_REM(0xffffffffffffffff, 0x84, 0x65, &(0x7f0000123000)=[], 0x0)
getsockopt$inet_sctp6_SCTP_EVENTS(0xffffffffffffffff, 0x84, 0xb, &(0x7f0000fde000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f0000f7e000-0x4)=0xb)
mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffffff, 0x84, 0x6c, &(0x7f0000b19000-0x30)={0x0, 0x0, ""}, &(0x7f0000a52000)=0x8)
getsockopt$inet_sctp_SCTP_HMAC_IDENT(0xffffffffffffffff, 0x84, 0x16, &(0x7f00000eb000)={0x6, [0xbfa, 0x9, 0x5d, 0x7fff, 0xcc6, 0x81]}, &(0x7f00003ad000-0x4)=0x10)
geteuid()
lstat(&(0x7f000049b000-0x8)="2e2f66696c653000", &(0x7f000028c000-0x44)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000a3a000-0x8)={0x0, 0x0})
socket$llc(0x1a, 0x3, 0x0)
setsockopt$inet_sctp_SCTP_AUTH_KEY(0xffffffffffffffff, 0x84, 0x17, &(0x7f0000a4b000)={0x0, 0x9, 0x0, ""}, 0x8)
sendmsg$alg(0xffffffffffffffff, &(0x7f00007fb000-0x38)={0x0, 0x0, &(0x7f0000942000-0x40)=[{&(0x7f000050c000)="", 0x0}, {&(0x7f000036b000-0xae)="", 0x0}, {&(0x7f0000878000-0x61)="", 0x0}, {&(0x7f000020f000)="", 0x0}], 0x4, &(0x7f0000942000-0x48)=[], 0x0, 0x40}, 0x80)
mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
r3 = socket$inet6(0xa, 0x2, 0x0)
ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r3)
mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
syz_open_dev$loop(&(0x7f0000011000-0xb)="2f6465762f6c6f6f702300", 0x0, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f000000d000-0x8)="2e2f66696c653000", 0x1, 0x49)
getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1a, &(0x7f0000829000-0xf4)={<r5=>0x0, 0xec, "17a6a812740c40824ca621c4845fef43b2f5799868d1d410ca0aec6f58ea5765218f84b4ae0970961792fbbc82572dba58c3cc499ee3da0675585ff23f9af89d43dc8195695a63d0103a9e6d0630e1d96ee911b3a143ff73757b9a8452bb46ef8246f704d309b890373d44d300667e6b2e0ebcf65a0f2fdb510fa7cc079c64826d130534acc352f39913a904672b116b65e72839a3e0aed89ec358c71abc976df15ed76f8c4a48c51d4c3cb3bfe800d89e5b523db8fe1fda6876189dca55492c69ff7a36dfe5706e971012d20f921d25f8f886d59faf88a516daba0ddde58b0dc6fdf25b31f5971850bddd39"}, &(0x7f0000743000)=0xf4)
setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r4, 0x84, 0x72, &(0x7f0000fe7000-0xc)={r5, 0x10001, 0x30}, 0xc)
ioctl$TUNSETLINK(0xffffffffffffffff, 0x400454cd, &(0x7f0000476000-0x4)=0x2)
mmap(&(0x7f0000d2b000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
msgget$private(0x0, 0x10)
prctl$intptr(0x4, 0x1)
prctl$setname(0xf, &(0x7f0000c59000)="7a6e6c00070025")
pkey_alloc(0x0, 0x0)
pipe(&(0x7f0000a29000-0x8)={<r6=>0xffffffffffffffff, <r7=>0xffffffffffffffff})
r8 = syz_open_dev$vcsn(&(0x7f0000ed2000)="2f6465762f7663732300", 0x10001, 0x3fd)
getsockopt$inet6_tcp_TCP_PSP_RX_SPI_KEY(r8, 0x6, 0x6c3, &(0x7f00003b4000)={"00000000000000000000000000000000", 0x0, 0x0}, &(0x7f0000382000-0x4)=0x18)
r9 = perf_event_open(&(0x7f0000fa0000)={0x2, 0x78, 0xde, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r10 = socket(0x1e, 0x1, 0x0)
ioctl$sock_FIOGETOWN(r10, 0x8903, &(0x7f0000538000-0x4)=<r11=>0x0)
ioctl$TIOCSPGRP(r10, 0x540f, &(0x7f0000da1000)=r11)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00004ab000)="2f6465762f73657175656e6365723200", 0x7fff, 0x0)
socket$bt_rfcomm(0x1f, 0xffffffdffffffffc, 0x3)
r12 = socket$inet6(0xa, 0x803, 0xff)
sendmmsg(r12, &(0x7f0000a0d000-0x40)=[{{&(0x7f000056a000-0x80)=@generic={0x0, "00ffee00000085b0c5f5e03a4ba94187e30d9d720c5a4df7c7ce0454a44316f6b7b53d2e1c3eeca7900cfc36c6702ce627b42dceb5d7430c8e348da438716f77929a21ccc664e45882107d809fb938fb85712a7785898c357f8286caf708275e3840caa83d013e19acbfd35780fb56bd412f4d803c176a7747259d28adb2"}, 0x80, &(0x7f00000ea000)=[{&(0x7f00008c6000)="", 0x0}, {&(0x7f0000e5e000)="", 0x0}, {&(0x7f0000088000)="", 0x0}, {&(0x7f0000b14000-0x99)="", 0x0}, {&(0x7f000034d000)="", 0x0}, {&(0x7f0000c5e000-0xca)="eb5a3c58064f3127d521ad82ecb61ea6f36dbd06a3db4f4aa4609a8a8b6e606c889be3727e5ef5655eea199403be8e924809e63bbf04665595987ed4e473131842c6e45c97ad545aae7ef47e1805c6d1224ce8f0ac2d4294c06606eee268830a730f2f0f69f157914826ca57a3d4fb61d03c5e5a081c0b28a18982280b3f3d7e423b81df4d144d1a6bffc7eeca03ccad355e43efc0fe53a834a844072611a3b355f8198ff350e98a9a656b8951ef10c5a9908a9f35eee9c5243a2605c4b9471b180ad61bfc2c5ebda88f", 0xca}], 0x6, &(0x7f0000acb000)=[{0xb8, 0x110, 0x0, "9e495d7ea0e86f6dfcff7824264171d1d9268409940ad8518ece3d3d94710c9bad7eb7759fb21babd9c7ef411f1ffdabf3b9aa718964b7f804b4e81ca97f6b925c23aae8772522e8f4d3548c8d2b2c92f36798f64c60c7aa49da3c34b1c60a001f5a175b096f2e75944ca63cb7310e200e4f69c3859052c8efef88a39ca6d78a3db3fb659e08f9a3f40312aa777a23b636a02712ec71170e8015a2b04e14e21e304a746a4adb78"}, {0x10, 0x115, 0x77f, ""}, {0x68, 0x11c, 0x1, "50f9473666acd28cda6385201046b660700827cab852c210494152cac89f0187e54d0ce10e0e5c8b68799abff587865b5134f6503e2d1da008d17694aa9dc2fc5d2c81f48e825d4f65b1d865a2dfe38737"}, {0x10, 0x115, 0xf2, ""}, {0xe0, 0x114, 0x9, "eec56616010449bac5b44478818ae2901b8931b8cd8286ee57cacd34fee54f7a19c206bda99e552a31f9dd47433775cb893a567771621b994deedc2bf3e67fd8f330c27738f645c68f22b9b481f15bc574bc58114e6ec9a84bcb5fd663848e90a53f47cd462d96a33da2f080f140546e26c569781e7cdd130c0b99387c27112066a93e9c9bc2d95dfe2e6b61bba884e2f0b36c696049e82e49b2ad26179cd76c7f5cbc069a7d31add48b57e898c0193fa4bf15e29eb65ba324c5d379c4ddc00385b5b9e22cc0e2bcd3"}, {0x100, 0x0, 0x2, "e092dfedd5125574cd9000774da094937a9b64a18a361daae8cf8bb6e41160d7980f0d02068317e89a0b52a662a31bfc95403b5d5d04bfcf3aaf6b25d04392b7e925cca85871ab8826e2b3cb80cab3578dd67966ff63289703cefd96ea82b9b63a819ec5316542aa76060a6df7e49ae402241a7ded40d1b47b819e95a26dfbf1fa9a722a0dcf01ba64ab211997a503eeb811ab6bc52f9a237abf151833d9ed1378d66dc726bef6512a0983749693cee8c5553bde1b2099f7928e1cd2875bd783cba1b82b6d1e0cb264d5201e76a2f2a4743a4b9a276e2ca7f20b7235713c8dc7985492656946cf163f03ccfb4b322965"}], 0x6, 0xfffffffffffffffe}, 0x0}], 0x1, 0x0)
syz_open_dev$urandom(&(0x7f0000009000-0xd)="2f6465762f7572616e646f6d00", 0x0, 0x82002)
splice(r9, 0x0, r7, 0x0, 0x100000000, 0x4)
splice(r6, 0x0, r8, 0x800000, 0xfffffdff, 0x0)
ioctl$LOOP_SET_STATUS(0xffffffffffffffff, 0x4c02, &(0x7f00009e9000-0x98)={0x0, 0x0, 0x0, 0x0, 0x5, 0x2, 0x1f, 0x10, "b18b66f9b19d40c1fe6d1a4e27f9180d014aaf8973823ba3847e1293bc2d64d261857a77b8f5fba0c5b1ac2edf42165ef0643ac6477faf609a8e04b596877c06", "07979423c6a87a3aaf948605e4658b99114e14095385d446a4aeecc28eb47b2e", [0x8f, 0x80000001], 0x0})
mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
socket$bt_bnep(0x1f, 0x3, 0x4)
syz_open_dev$sg(&(0x7f0000008000-0x9)="2f6465762f73672300", 0x0, 0x0)