0, r1) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x9) 11:01:01 executing program 0: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x100, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000140)='l2tp\x00') r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000180)='/dev/vga_arbiter\x00', 0x22c00, 0x0) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280)='nl80211\x00') r5 = socket$nl_route(0x10, 0x3, 0x0) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$netlink(0x10, 0x3, 0x0) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r7, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r9, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) sendmsg$nl_route_sched(r6, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000440)=ANY=[@ANYBLOB="fc7da1cd76e704c7b4fb2ec2782b49e39bcc2ab083f9049297a5b9132b", @ANYRES32=r9, @ANYRES32=r7], 0x38}}, 0x0) sendmsg$nl_route_sched(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r9, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) sendmsg$NL80211_CMD_GET_WIPHY(r3, &(0x7f0000000400)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x60, r4, 0x800, 0x70bd29, 0x25dfdbfb, {}, [@NL80211_ATTR_WIPHY={0x8, 0x1, 0x4}, @NL80211_ATTR_WIPHY={0x8}, @NL80211_ATTR_WDEV={0xc, 0x99, {0x8001, 0x1}}, @NL80211_ATTR_WDEV={0xc, 0x99, {0x2, 0x3}}, @NL80211_ATTR_WDEV={0xc, 0x99, {0x3, 0x3}}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x4}, @NL80211_ATTR_IFINDEX={0x8, 0x3, r9}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x4}]}, 0x60}, 0x1, 0x0, 0x0, 0x4004}, 0x80) sendmsg$L2TP_CMD_TUNNEL_CREATE(r1, &(0x7f0000000240)={0x0, 0x68, &(0x7f0000000200)={&(0x7f00000002c0)={0x5c, r2, 0x917, 0x0, 0x0, {}, [@L2TP_ATTR_PROTO_VERSION={0x5}, @L2TP_ATTR_CONN_ID={0x8}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [], @initdev={0xac, 0x1e, 0x0, 0x0}}}, @L2TP_ATTR_PEER_CONN_ID={0x8}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}]}, 0x5c}}, 0x0) sendmsg$L2TP_CMD_NOOP(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0xfc}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10040091}, 0x15) 11:01:01 executing program 5: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r1, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:01 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) r1 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r1, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:01 executing program 4: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x1, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f00000002c0)='/dev/nbd#\x00', 0x0, 0x563801) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000340)={{{@in6=@private1, @in6=@local}}, {{@in6=@initdev}, 0x0, @in6=@ipv4={[], [], @private}}}, &(0x7f0000000440)=0xe8) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000480)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000d533f9a3bd3edd34b71b51e652329e5cd0103d8417b5d5b3c1d22a327851326614e20825ab042b25dd788ef83a655b1dcdf389b30cd645a34cf3c5c22da9cf3b9c068429c4670d8b18a05444ce55b7741e39231199e92cd399b0f6acd48d1c3564fc3c53bff1c40666b3b56a4500683c74b576d4a529f0fd95b1d3e06e887ca5dbdc7bf1d19fd3", @ANYRES32=r6, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r6, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) ioctl$sock_inet6_SIOCSIFADDR(r1, 0x8916, &(0x7f00000000c0)={@mcast1, 0x5f, r6}) ioctl$SNDCTL_DSP_SPEED(0xffffffffffffffff, 0xc0045002, &(0x7f0000000080)) dup(0xffffffffffffffff) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x1c01) ioctl$TCSBRK(0xffffffffffffffff, 0x5409, 0x4) 11:01:01 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x9) 11:01:01 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1535.538940] block nbd2: Device being setup by another task [ 1535.558138] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 11:01:01 executing program 5: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000080)) r1 = dup(r0) write$FUSE_NOTIFY_INVAL_ENTRY(r1, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$TIOCL_SETVESABLANK(r1, 0x541c, &(0x7f0000000000)) socketpair(0x23, 0x5, 0x0, 0x0) [ 1535.618225] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 11:01:01 executing program 0: r0 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x7, 0x410281) ioctl$SIOCPNENABLEPIPE(r0, 0x89ed, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x437) connect$tipc(0xffffffffffffffff, &(0x7f0000000200)=@id={0x1e, 0x3, 0x3, {0x4e22, 0x3}}, 0x10) r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0xa5d1ca255d64b4ed, 0x0) ioctl$TIOCL_UNBLANKSCREEN(r3, 0x541c, &(0x7f00000000c0)) r4 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dlm-monitor\x00', 0x244441, 0x0) ioctl$sock_inet_SIOCGIFDSTADDR(0xffffffffffffffff, 0x8917, &(0x7f0000000240)={'veth1_to_team\x00', {0x2, 0x4e22, @local}}) recvfrom$netrom(r4, &(0x7f0000000140)=""/32, 0x20, 0x10000, &(0x7f0000000180)={{0x3, @default}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null, @null, @null]}, 0x48) sync_file_range(r1, 0x3, 0x0, 0x3) 11:01:01 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x9) 11:01:01 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:01 executing program 4: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x8, 0x5, 0x1, 0x0) 11:01:01 executing program 3: perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x2, 0x0, 0x4000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$SEG6(&(0x7f0000000100)='SEG6\x00') sendmsg$SEG6_CMD_SETHMAC(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0500000000000000000001e6ffff0300040005000500090095380f0000050006000000010008000300970c0000652f409cffa774d2e88bdb4effa417e60504f963b3ec6dd7088ee20f5a298f29f92d6413a46a992413983777806fcfbfbaac0a579e950c16bacf75ad4023511bf3b7e44b2fe17ef4a6e4eb400bbe4c205974d828868b89fa2d3a3cc90adc9ee7f33f5aac7a1c3573946df776901a692c16afb27bb3ac2eeb23a6f44df3d6c6a001259c"], 0x30}, 0x1, 0x6c}, 0x0) sendmsg$SEG6_CMD_DUMPHMAC(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, r3, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@SEG6_ATTR_HMACKEYID={0x8, 0x3, 0x6}, @SEG6_ATTR_HMACKEYID={0x8, 0x3, 0x8}, @SEG6_ATTR_DSTLEN={0x8, 0x2, 0x9}, @SEG6_ATTR_DST={0x14, 0x1, @mcast2}, @SEG6_ATTR_HMACKEYID={0x8, 0x3, 0x46}, @SEG6_ATTR_SECRETLEN={0x5}]}, 0x50}, 0x1, 0x0, 0x0, 0x40030}, 0x44) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) fcntl$setstatus(r5, 0x4, 0x42800) r6 = socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$sock_inet_SIOCGIFPFLAGS(r6, 0x8935, &(0x7f0000000180)={'vlan1\x00', 0x10000}) r7 = socket$packet(0x11, 0x3, 0x300) recvmmsg(r7, &(0x7f0000004b40)=[{{&(0x7f0000000b00)=@rc, 0x80, 0x0, 0x0, &(0x7f0000001e40)=""/239, 0xef}}, {{&(0x7f0000003300)=@tipc=@id, 0x80, &(0x7f00000049c0)=[{&(0x7f0000003380)=""/83, 0x53}, {0x0}, {0x0}, {&(0x7f0000004580)=""/203, 0xcb}, {0x0}, {&(0x7f00000048c0)=""/218, 0xda}], 0x6, &(0x7f0000004a40)=""/243, 0xf3}}], 0x20004582, 0x2, 0x0) 11:01:01 executing program 5: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = accept$inet(0xffffffffffffffff, &(0x7f0000000180)={0x2, 0x0, @private}, &(0x7f00000001c0)=0x10) r1 = socket$inet(0x2, 0x4000000805, 0x0) r2 = socket$inet_sctp(0x2, 0x1, 0x84) r3 = dup3(r1, r2, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r3, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r2, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x6c, &(0x7f000059aff8)={r4}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, &(0x7f0000000200)={r4, 0x7}, &(0x7f0000000240)=0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000280)={r5, 0xffff8aca}, 0x8) 11:01:01 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x9) 11:01:01 executing program 5: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = accept$inet(0xffffffffffffffff, &(0x7f0000000180)={0x2, 0x0, @private}, &(0x7f00000001c0)=0x10) r1 = socket$inet(0x2, 0x4000000805, 0x0) r2 = socket$inet_sctp(0x2, 0x1, 0x84) r3 = dup3(r1, r2, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r3, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r2, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x6c, &(0x7f000059aff8)={r4}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, &(0x7f0000000200)={r4, 0x7}, &(0x7f0000000240)=0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000280)={r5, 0xffff8aca}, 0x8) [ 1535.814039] block nbd3: Device being setup by another task [ 1535.833773] block nbd0: Device being setup by another task [ 1535.841531] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'. 11:01:01 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x9) 11:01:01 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:01 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:01 executing program 0: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x18, 0x804, 0x207ffffd, 0x0) 11:01:01 executing program 4: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x52d601, 0x0) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000080)) r1 = dup(r0) write$FUSE_NOTIFY_INVAL_ENTRY(r1, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$VT_OPENQRY(r1, 0x5600, &(0x7f0000000000)) 11:01:01 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x9) 11:01:01 executing program 0: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x6, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) close(r1) socketpair(0x23, 0x5, 0x0, 0x0) 11:01:01 executing program 5: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = accept$inet(0xffffffffffffffff, &(0x7f0000000180)={0x2, 0x0, @private}, &(0x7f00000001c0)=0x10) r1 = socket$inet(0x2, 0x4000000805, 0x0) r2 = socket$inet_sctp(0x2, 0x1, 0x84) r3 = dup3(r1, r2, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r3, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r2, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x6c, &(0x7f000059aff8)={r4}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, &(0x7f0000000200)={r4, 0x7}, &(0x7f0000000240)=0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000280)={r5, 0xffff8aca}, 0x8) 11:01:01 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socket$netlink(0x10, 0x3, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:01 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x9) [ 1536.032359] block nbd3: Device being setup by another task 11:01:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x1, 0x84) r4 = dup3(r2, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r4, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) r5 = socket$inet6(0xa, 0x5, 0x5) ioctl$sock_inet6_tcp_SIOCOUTQ(r5, 0x5411, &(0x7f0000000140)) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x6c, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b000) r7 = syz_genetlink_get_family_id$nl80211(&(0x7f00000002c0)='nl80211\x00') sendmsg$NL80211_CMD_SET_BSS(r4, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800024}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x2c, r7, 0x0, 0x70bd26, 0x25dfdbfc, {}, [@NL80211_ATTR_P2P_CTWINDOW={0x5, 0xa2, 0x2}, @NL80211_ATTR_BSS_CTS_PROT={0x5, 0x1c, 0x81}, @NL80211_ATTR_AP_ISOLATE={0x5, 0x60, 0x7}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000800}, 0x18061) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000000)={r6, @in6={{0xa, 0x4e22, 0x4, @initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x6}}, [0x2, 0x7c, 0x1, 0x401, 0x10001, 0x82, 0x1, 0x2, 0x4, 0x1, 0x2, 0x8, 0x4, 0x40, 0x8001]}, &(0x7f0000000100)=0x100) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000180)={0x0, 0x0, 0x1, 0x0, [], [{0x1, 0x5, 0x4f034d98, 0x7, 0x1ff, 0x6}, {0xe1b, 0x7, 0x0, 0x2e, 0xffff, 0x40}], [[]]}) perf_event_open(&(0x7f000001d000)={0x4, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r8 = socket$packet(0x11, 0x3, 0x300) recvmmsg(r8, &(0x7f0000004b40)=[{{&(0x7f0000000b00)=@rc, 0x80, 0x0, 0x0, &(0x7f0000001e40)=""/239, 0xef}}, {{&(0x7f0000003300)=@tipc=@id, 0x80, &(0x7f00000049c0)=[{&(0x7f0000003380)=""/83, 0x53}, {0x0}, {0x0}, {&(0x7f0000004580)=""/203, 0xcb}, {0x0}, {&(0x7f00000048c0)=""/207, 0xcf}], 0x6, &(0x7f0000004a40)=""/243, 0xf3}}], 0x2, 0x2, 0x0) [ 1536.080059] block nbd0: Device being setup by another task [ 1536.110033] print_req_error: 75 callbacks suppressed [ 1536.110039] print_req_error: I/O error, dev nbd0, sector 0 [ 1536.121202] buffer_io_error: 74 callbacks suppressed [ 1536.121208] Buffer I/O error on dev nbd0, logical block 0, async page read [ 1536.137479] print_req_error: I/O error, dev nbd0, sector 2 [ 1536.143722] Buffer I/O error on dev nbd0, logical block 1, async page read [ 1536.146849] block nbd0: Device being setup by another task [ 1536.151209] print_req_error: I/O error, dev nbd0, sector 4 [ 1536.162408] Buffer I/O error on dev nbd0, logical block 2, async page read [ 1536.170230] print_req_error: I/O error, dev nbd0, sector 6 11:01:02 executing program 0: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x22, 0x80000, 0x2, 0x0) 11:01:02 executing program 5: clone(0x40800703, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') accept4$tipc(r0, &(0x7f00000000c0), &(0x7f0000000100)=0x10, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) dup(r1) r2 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vga_arbiter\x00', 0x200, 0x0) setsockopt$inet6_IPV6_RTHDR(r2, 0x29, 0x39, &(0x7f00000002c0)=ANY=[@ANYBLOB="6206000300000000fe8000000000000000000000000000bb00000000000000000000000000000000ff010000000000000000000000000001eef59dabc5e958eb2fcaff2f5817083737311ff60ebbe9bb6804f27c88e62c1efd3dd14eb99e5bab1881d3f10bf59f1abb5f29a379a8da4c4b5b05f97da3073b3f754558942de1e388501d55be349d204d5f2251733811b1122ff027230037963b744f8a9fffb08b61b0e4096f033ccf4978ec3096f25e24606bcd11a2f474fcf52e6a0c85e50ca199b71581862ca76958b7f95a9f5a14af02d9b165d43bf604e34b3826a16ea9f70454cd8190"], 0x38) sendfile(r1, r0, 0x0, 0x1c01) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000000)={0x1f, 0x2, 'client0\x00', 0x4, "a3536d468a2b744d", "1891ae4da658b8f5bd2aa5927dd133712a6f9a40d61c77ee8f033c3008b31557", 0x3, 0x10000}) arch_prctl$ARCH_MAP_VDSO_32(0x2002, 0x8000) socketpair(0x23, 0x5, 0x0, 0x0) [ 1536.176020] Buffer I/O error on dev nbd0, logical block 3, async page read [ 1536.184578] print_req_error: I/O error, dev nbd0, sector 0 [ 1536.190350] Buffer I/O error on dev nbd0, logical block 0, async page read [ 1536.207626] print_req_error: I/O error, dev nbd0, sector 2 [ 1536.213414] Buffer I/O error on dev nbd0, logical block 1, async page read [ 1536.221129] print_req_error: I/O error, dev nbd0, sector 4 [ 1536.227011] Buffer I/O error on dev nbd0, logical block 2, async page read [ 1536.234357] print_req_error: I/O error, dev nbd0, sector 6 [ 1536.240424] Buffer I/O error on dev nbd0, logical block 3, async page read [ 1536.247596] print_req_error: I/O error, dev nbd0, sector 0 [ 1536.253346] Buffer I/O error on dev nbd0, logical block 0, async page read [ 1536.260558] print_req_error: I/O error, dev nbd0, sector 2 [ 1536.266199] Buffer I/O error on dev nbd0, logical block 1, async page read [ 1536.280532] block nbd3: Device being setup by another task 11:01:02 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x9) 11:01:02 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socket$netlink(0x10, 0x3, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000140)='l2tp\x00') sendmsg$L2TP_CMD_TUNNEL_CREATE(r3, &(0x7f0000000240)={0x0, 0x68, &(0x7f0000000200)={&(0x7f00000002c0)={0x5c, r4, 0x917, 0x0, 0x0, {}, [@L2TP_ATTR_PROTO_VERSION={0x5}, @L2TP_ATTR_CONN_ID={0x8}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [], @initdev={0xac, 0x1e, 0x0, 0x0}}}, @L2TP_ATTR_PEER_CONN_ID={0x8}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}]}, 0x5c}}, 0x0) r5 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcsa\x00', 0x10000, 0x0) sendmsg$L2TP_CMD_SESSION_CREATE(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x68, r4, 0xa05, 0x70bd29, 0x4, {}, [@L2TP_ATTR_FD={0x8, 0x17, @udp6=r5}, @L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5, 0x22, 0x1}, @L2TP_ATTR_COOKIE={0xc, 0xf, 0xfffffffffffffffe}, @L2TP_ATTR_MRU={0x6, 0x1d, 0x7}, @L2TP_ATTR_DATA_SEQ={0x5, 0x4, 0xff}, @L2TP_ATTR_VLAN_ID={0x6, 0xe, 0x9}, @L2TP_ATTR_DATA_SEQ={0x5}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @dev={0xac, 0x14, 0x14, 0x1e}}, @L2TP_ATTR_MTU={0x6}, @L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5}]}, 0x68}}, 0x8000) ioctl$IOC_PR_REGISTER(r0, 0x401870c8, &(0x7f0000000000)={0xa46, 0x6, 0x1}) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) 11:01:02 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x9) 11:01:02 executing program 0: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0xa, 0x5, 0x9, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket$inet_sctp(0x2, 0x1, 0x84) r4 = dup3(0xffffffffffffffff, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r4, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x6c, &(0x7f000059aff8)={r5}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000240)={r5, @in6={{0xa, 0x4e23, 0x1, @mcast2, 0x4}}, 0x800, 0x1000, 0x6, 0x5, 0xa, 0x81, 0x4}, &(0x7f0000000300)=0x9c) r6 = socket(0x3, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r6) getsockname$inet6(r6, &(0x7f00000001c0)={0xa, 0x0, 0x0, @mcast1}, &(0x7f0000000200)=0x1c) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) write$binfmt_aout(r0, &(0x7f0000000000)={{0x108, 0x1, 0x0, 0x377, 0x2c3, 0x4, 0x168, 0xaf}, "c7f52b7f6d5059c2e063743558a5439f65256d2a1093b78cf8d252aeeec9bb186ab132f91a5127a7b2d27ac17ae48ef1f72e457d3bafadfbb7fe1e3e4dc4e3fc4e7719f25bdb135f0f036192d2439f85964dd35a041bfc8b682fb32c1822dd80fbe891a5cb8c9b5ad5ac6912e350c48a00b6466056207e7c86feec780b5479af86b65b0142ccd11115a60dcbbd36805f68d87c5258321dc47781ff05", [[]]}, 0x1bc) 11:01:02 executing program 4 (fault-call:5 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1536.418277] block nbd4: Device being setup by another task 11:01:02 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x9) 11:01:02 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socket$netlink(0x10, 0x3, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:02 executing program 3 (fault-call:12 fault-nth:0): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) [ 1536.481208] block nbd0: Device being setup by another task 11:01:02 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x9) 11:01:02 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, 0x0, 0x0, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1536.536661] block nbd4: Device being setup by another task [ 1536.547887] block nbd0: Device being setup by another task [ 1536.560798] IPVS: ftp: loaded support on port[0] = 21 [ 1536.769209] FAULT_INJECTION: forcing a failure. [ 1536.769209] name failslab, interval 1, probability 0, space 0, times 0 [ 1536.780570] CPU: 0 PID: 18097 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1536.788722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1536.798114] Call Trace: [ 1536.800715] dump_stack+0x13e/0x194 [ 1536.804345] should_fail.cold+0x10a/0x14b [ 1536.808493] should_failslab+0xd6/0x130 [ 1536.812464] kmem_cache_alloc_node+0x288/0x7a0 [ 1536.817039] ? find_held_lock+0x2d/0x110 [ 1536.821398] ? get_pid_task+0x91/0x130 [ 1536.825302] copy_process.part.0+0x17d5/0x6a50 [ 1536.829891] ? get_pid_task+0xb8/0x130 [ 1536.833808] ? proc_fail_nth_write+0x7b/0x180 [ 1536.838313] ? save_trace+0x290/0x290 [ 1536.842106] ? __lock_is_held+0xad/0x140 [ 1536.846158] ? find_held_lock+0x2d/0x110 [ 1536.850220] ? __cleanup_sighand+0x40/0x40 [ 1536.854480] ? lock_downgrade+0x6e0/0x6e0 [ 1536.858625] _do_fork+0x180/0xc80 [ 1536.862075] ? fork_idle+0x270/0x270 [ 1536.865871] ? fput+0xb/0x140 [ 1536.868965] ? SyS_write+0x14d/0x210 [ 1536.872688] ? SyS_read+0x210/0x210 [ 1536.876336] ? SyS_clock_settime+0x1a0/0x1a0 [ 1536.880754] ? do_syscall_64+0x4c/0x640 [ 1536.884737] ? sys_vfork+0x20/0x20 [ 1536.888275] do_syscall_64+0x1d5/0x640 [ 1536.892168] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1536.897351] RIP: 0033:0x45c829 [ 1536.900532] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1536.908251] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1536.915637] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1536.922933] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1536.930201] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1536.937477] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:03 executing program 5 (fault-call:23 fault-nth:0): perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x79fa23b2634e436a) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:03 executing program 0: openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vhost-vsock\x00', 0x2, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(0xffffffffffffffff, 0x4c09, 0x80000001) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x6, 0x5, 0x101009af, 0x0) 11:01:03 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(0xffffffffffffffff, 0xab02, 0x9) 11:01:03 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, 0x0, 0x0, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:03 executing program 3 (fault-call:12 fault-nth:1): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:03 executing program 0: clone(0x83069480, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) 11:01:03 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 11:01:03 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, 0x0, 0x0, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x437) ioctl$SNDCTL_DSP_SPEED(0xffffffffffffffff, 0xc0045002, &(0x7f0000000080)) dup(0xffffffffffffffff) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x1c01) ioctl$SNDCTL_DSP_POST(0xffffffffffffffff, 0x5008, 0x0) r3 = fcntl$getown(0xffffffffffffffff, 0x9) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) setsockopt$RXRPC_MIN_SECURITY_LEVEL(r5, 0x110, 0x4, &(0x7f0000000180)=0x1, 0x4) waitid(0x0, r3, &(0x7f0000000000), 0x20000000, &(0x7f00000000c0)) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1537.682919] FAULT_INJECTION: forcing a failure. [ 1537.682919] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1537.694756] CPU: 0 PID: 18154 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1537.702653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1537.712017] Call Trace: [ 1537.714477] block nbd4: Device being setup by another task [ 1537.714618] dump_stack+0x13e/0x194 [ 1537.723864] should_fail.cold+0x10a/0x14b [ 1537.728025] __alloc_pages_nodemask+0x1bf/0x700 [ 1537.732966] ? _parse_integer+0xe5/0x130 [ 1537.737034] ? __alloc_pages_slowpath+0x26c0/0x26c0 [ 1537.742059] ? find_held_lock+0x2d/0x110 [ 1537.743748] block nbd4: Device being setup by another task [ 1537.746134] cache_grow_begin+0x7b/0x410 [ 1537.746150] kmem_cache_alloc_node+0x6c8/0x7a0 [ 1537.746159] ? find_held_lock+0x2d/0x110 [ 1537.746182] ? get_pid_task+0x91/0x130 [ 1537.768388] copy_process.part.0+0x17d5/0x6a50 [ 1537.772989] ? get_pid_task+0xb8/0x130 [ 1537.776893] ? proc_fail_nth_write+0x7b/0x180 [ 1537.781421] ? save_trace+0x290/0x290 [ 1537.785268] ? __schedule+0x7c0/0x1ca0 [ 1537.789178] ? find_held_lock+0x2d/0x110 [ 1537.793281] ? __cleanup_sighand+0x40/0x40 [ 1537.797526] ? lock_downgrade+0x6e0/0x6e0 [ 1537.801690] _do_fork+0x180/0xc80 [ 1537.805154] ? fork_idle+0x270/0x270 [ 1537.808884] ? fput+0xb/0x140 [ 1537.811993] ? SyS_write+0x14d/0x210 [ 1537.815717] ? SyS_read+0x210/0x210 [ 1537.819349] ? do_syscall_64+0x4c/0x640 [ 1537.823333] ? sys_vfork+0x20/0x20 [ 1537.826889] do_syscall_64+0x1d5/0x640 [ 1537.830790] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1537.835981] RIP: 0033:0x45c829 [ 1537.839181] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1537.846901] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1537.854185] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1537.860743] block nbd4: Device being setup by another task [ 1537.861458] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1537.874346] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 11:01:03 executing program 2 (fault-call:1 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 1537.881626] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 [ 1537.904938] FAULT_INJECTION: forcing a failure. [ 1537.904938] name failslab, interval 1, probability 0, space 0, times 0 [ 1537.916805] CPU: 0 PID: 18167 Comm: syz-executor.5 Not tainted 4.14.179-syzkaller #0 [ 1537.924703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1537.934051] Call Trace: [ 1537.936643] dump_stack+0x13e/0x194 [ 1537.940279] should_fail.cold+0x10a/0x14b [ 1537.944436] should_failslab+0xd6/0x130 [ 1537.948406] kmem_cache_alloc_trace+0x2db/0x7b0 [ 1537.953075] ? lock_acquire+0x170/0x3f0 [ 1537.957043] ? snd_pcm_oss_change_params+0x87/0xb0 [ 1537.961981] snd_pcm_oss_change_params_locked+0x15e/0x30a0 [ 1537.967601] ? __mutex_lock+0x36a/0x1470 [ 1537.971675] ? __lock_acquire+0x5f7/0x4620 [ 1537.975939] ? avc_has_extended_perms+0x6d9/0xd40 [ 1537.980803] ? snd_pcm_oss_change_params+0x87/0xb0 [ 1537.985748] ? snd_pcm_hw_param_near.constprop.0+0x6e0/0x6e0 [ 1537.991749] ? trace_hardirqs_on+0x10/0x10 [ 1537.995989] ? avc_has_extended_perms+0x802/0xd40 [ 1538.000845] ? save_trace+0x290/0x290 [ 1538.004733] ? trace_hardirqs_on_caller+0x3f6/0x590 [ 1538.009767] snd_pcm_oss_change_params+0x5e/0xb0 [ 1538.014535] snd_pcm_oss_get_active_substream+0xf5/0x140 [ 1538.020004] snd_pcm_oss_get_formats+0x66/0x280 [ 1538.024676] ? snd_pcm_oss_set_channels+0x270/0x270 [ 1538.029695] snd_pcm_oss_ioctl+0x11cd/0x2b00 [ 1538.034109] ? snd_pcm_oss_release+0x280/0x280 [ 1538.038718] ? snd_pcm_oss_release+0x280/0x280 [ 1538.043300] do_vfs_ioctl+0x75a/0xfe0 [ 1538.047113] ? selinux_file_mprotect+0x5c0/0x5c0 [ 1538.051867] ? ioctl_preallocate+0x1a0/0x1a0 [ 1538.056277] ? security_file_ioctl+0x76/0xb0 [ 1538.060679] ? security_file_ioctl+0x83/0xb0 [ 1538.065080] SyS_ioctl+0x7f/0xb0 [ 1538.068440] ? do_vfs_ioctl+0xfe0/0xfe0 [ 1538.072411] do_syscall_64+0x1d5/0x640 [ 1538.076296] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1538.081479] RIP: 0033:0x45c829 [ 1538.084657] RSP: 002b:00007f00be85fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1538.092369] RAX: ffffffffffffffda RBX: 00000000004ebe60 RCX: 000000000045c829 [ 1538.099636] RDX: 0000000020000000 RSI: 00000000c0045005 RDI: 0000000000000008 [ 1538.106916] RBP: 000000000078c0e0 R08: 0000000000000000 R09: 0000000000000000 [ 1538.114281] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009 [ 1538.121557] R13: 00000000000004ca R14: 00000000004c79f7 R15: 00007f00be8606d4 11:01:04 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x0, &(0x7f0000000180)={0x77359400}) [ 1538.160128] FAULT_INJECTION: forcing a failure. [ 1538.160128] name failslab, interval 1, probability 0, space 0, times 0 [ 1538.224773] CPU: 1 PID: 18171 Comm: syz-executor.2 Not tainted 4.14.179-syzkaller #0 [ 1538.232707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1538.242078] Call Trace: [ 1538.244681] dump_stack+0x13e/0x194 [ 1538.248345] should_fail.cold+0x10a/0x14b [ 1538.252509] should_failslab+0xd6/0x130 [ 1538.256501] kmem_cache_alloc_trace+0x2db/0x7b0 [ 1538.261182] ? nbd_size_update+0x227/0x3c0 [ 1538.265420] ? devm_device_remove_groups+0x50/0x50 [ 1538.270345] kobject_uevent_env+0x1fa/0xc50 [ 1538.274673] ? nbd_size_update+0x264/0x3c0 [ 1538.278907] nbd_ioctl+0x3d6/0xa30 [ 1538.282445] ? get_pid_task+0x91/0x130 [ 1538.286330] ? nbd_add_socket+0x5c0/0x5c0 [ 1538.290475] ? __lock_acquire+0x5f7/0x4620 [ 1538.294703] ? lock_downgrade+0x6e0/0x6e0 [ 1538.298860] ? nbd_add_socket+0x5c0/0x5c0 [ 1538.303137] blkdev_ioctl+0x91d/0x17d0 [ 1538.307023] ? blkpg_ioctl+0x8e0/0x8e0 [ 1538.310936] ? trace_hardirqs_on+0x10/0x10 [ 1538.315189] block_ioctl+0xd9/0x120 [ 1538.318810] ? blkdev_fallocate+0x3a0/0x3a0 [ 1538.323136] do_vfs_ioctl+0x75a/0xfe0 [ 1538.326943] ? selinux_file_mprotect+0x5c0/0x5c0 [ 1538.331694] ? ioctl_preallocate+0x1a0/0x1a0 [ 1538.336102] ? security_file_ioctl+0x76/0xb0 [ 1538.340512] ? security_file_ioctl+0x83/0xb0 [ 1538.344934] SyS_ioctl+0x7f/0xb0 [ 1538.348306] ? do_vfs_ioctl+0xfe0/0xfe0 [ 1538.352281] do_syscall_64+0x1d5/0x640 [ 1538.356169] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1538.361350] RIP: 0033:0x45c829 [ 1538.364527] RSP: 002b:00007f61948c1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 11:01:04 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000100)='projid_map\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:04 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x21, 0xa, 0x7) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:04 executing program 0: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) dup(r1) sendfile(r1, r0, 0x0, 0x1c01) write$FUSE_WRITE(r0, &(0x7f0000000000)={0x18, 0x0, 0x1, {0x34}}, 0x18) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) setsockopt$inet_udp_encap(r4, 0x11, 0x64, &(0x7f00000000c0)=0x5, 0x4) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r5) ioctl$sock_SIOCBRADDBR(r5, 0x89a0, &(0x7f0000000040)='batadv_slave_0\x00') 11:01:04 executing program 3 (fault-call:12 fault-nth:2): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) [ 1538.372227] RAX: ffffffffffffffda RBX: 00000000004e8ee0 RCX: 000000000045c829 [ 1538.379487] RDX: 0000000000000000 RSI: 000000000000ab02 RDI: 0000000000000003 [ 1538.386760] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 1538.394029] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 1538.401302] R13: 000000000000040c R14: 00000000004c6a9e R15: 00007f61948c26d4 11:01:04 executing program 4: r0 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) syz_open_dev$ndb(&(0x7f0000000180)='/dev/nbd#\x00', 0x0, 0x20a002) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x437) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) r6 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r6, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r5, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r7, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r7, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r7, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) sendmsg$NL80211_CMD_NEW_MPATH(r0, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f0000000240)={0x44, 0x0, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NL80211_ATTR_IFINDEX={0x8}, @NL80211_ATTR_MAC={0xa, 0x6, @dev={[], 0x2f}}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x1}, @NL80211_ATTR_IFINDEX={0x8, 0x3, r7}, @NL80211_ATTR_MAC={0xa, 0x6, @local}]}, 0x44}}, 0x20040080) sendmsg$IPCTNL_MSG_TIMEOUT_DEFAULT_SET(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000040)={&(0x7f00000001c0)={0x7c, 0x3, 0x8, 0x201, 0x0, 0x0, {0x0, 0x0, 0x7}, [@CTA_TIMEOUT_L4PROTO={0x5, 0x3, 0x84}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0xf8}, @CTA_TIMEOUT_L4PROTO={0x5, 0x3, 0x6}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x883e}, @CTA_TIMEOUT_DATA={0x34, 0x4, 0x0, 0x1, @icmp=[@CTA_TIMEOUT_ICMP_TIMEOUT={0x8, 0x1, 0x1, 0x0, 0x4}, @CTA_TIMEOUT_ICMP_TIMEOUT={0x8, 0x1, 0x1, 0x0, 0x7ff}, @CTA_TIMEOUT_ICMP_TIMEOUT={0x8, 0x1, 0x1, 0x0, 0x400}, @CTA_TIMEOUT_ICMP_TIMEOUT={0x8, 0x1, 0x1, 0x0, 0x1000}, @CTA_TIMEOUT_ICMP_TIMEOUT={0x8, 0x1, 0x1, 0x0, 0x2}, @CTA_TIMEOUT_ICMP_TIMEOUT={0x8, 0x1, 0x1, 0x0, 0x3}]}, @CTA_TIMEOUT_L4PROTO={0x5, 0x3, 0x2f}, @CTA_TIMEOUT_NAME={0x9, 0x1, 'syz0\x00'}]}, 0x7c}}, 0x60000020) close(0xffffffffffffffff) 11:01:04 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x0, &(0x7f0000000180)={0x77359400}) 11:01:04 executing program 0: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x15, 0x5, 0x40000003, 0x0) [ 1538.486953] block nbd0: Device being setup by another task [ 1538.493727] block nbd0: Device being setup by another task [ 1538.508858] block nbd0: Device being setup by another task [ 1538.515729] block nbd0: Device being setup by another task [ 1538.570336] block nbd4: Device being setup by another task [ 1538.666959] FAULT_INJECTION: forcing a failure. [ 1538.666959] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1538.679217] CPU: 1 PID: 18211 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1538.687126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1538.696483] Call Trace: [ 1538.699075] dump_stack+0x13e/0x194 [ 1538.702725] should_fail.cold+0x10a/0x14b [ 1538.706881] __alloc_pages_nodemask+0x1bf/0x700 [ 1538.711546] ? __alloc_pages_slowpath+0x26c0/0x26c0 [ 1538.716567] ? copy_process.part.0+0x17d5/0x6a50 [ 1538.721321] ? rcu_read_lock_sched_held+0x10a/0x130 [ 1538.726349] copy_process.part.0+0x26a/0x6a50 [ 1538.730844] ? get_pid_task+0xb8/0x130 [ 1538.734746] ? proc_fail_nth_write+0x7b/0x180 [ 1538.739245] ? save_trace+0x290/0x290 [ 1538.743054] ? __lock_is_held+0xad/0x140 [ 1538.747138] ? find_held_lock+0x2d/0x110 [ 1538.751229] ? __cleanup_sighand+0x40/0x40 [ 1538.755465] ? lock_downgrade+0x6e0/0x6e0 [ 1538.759609] _do_fork+0x180/0xc80 [ 1538.763072] ? fork_idle+0x270/0x270 [ 1538.766779] ? fput+0xb/0x140 [ 1538.771090] ? SyS_write+0x14d/0x210 [ 1538.774794] ? SyS_read+0x210/0x210 [ 1538.778412] ? SyS_clock_settime+0x1a0/0x1a0 [ 1538.782815] ? do_syscall_64+0x4c/0x640 [ 1538.786782] ? sys_vfork+0x20/0x20 [ 1538.790315] do_syscall_64+0x1d5/0x640 [ 1538.794206] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1538.799384] RIP: 0033:0x45c829 [ 1538.802574] RSP: 002b:00007f0c687c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1538.810272] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 11:01:04 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x0, &(0x7f0000000180)={0x77359400}) [ 1538.817533] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1538.824791] RBP: 000000000078c0e0 R08: ffffffffffffffff R09: 0000000000000000 [ 1538.832049] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1538.839307] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687c36d4 11:01:04 executing program 0: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) pipe2(&(0x7f0000000000), 0x800) [ 1538.866476] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 11:01:04 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x38, 0x1, 0xa, 0x0, 0x400009}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x3, 0x0, 0x0, 0x0, 0x22000, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000100)=0x17d) [ 1538.964905] block nbd4: Device being setup by another task [ 1538.965895] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 11:01:05 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = bpf$OBJ_GET_PROG(0x7, &(0x7f00000000c0)={&(0x7f0000000040)='./file0\x00'}, 0x10) ioctl$EXT4_IOC_GROUP_EXTEND(r1, 0x40086607, &(0x7f0000000100)=0x1f34) clock_gettime(0x0, &(0x7f0000000200)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000140)={0x8, 0xa97, 0x8, 0x100000000, 0x9, 0x3, 0x7, 0x7ff}, &(0x7f0000000180)={0x1146, 0x1f, 0x8, 0xfffffffffffffffa, 0x74, 0xeb, 0x566}, &(0x7f00000001c0)={0x3000, 0x4, 0x7, 0xb4f, 0xe0000000000, 0x8b4, 0x29a0779, 0xfffffffffffffe01}, &(0x7f0000000240)={r2, r3+10000000}, &(0x7f00000002c0)={&(0x7f0000000280)={[0x5a0d201a]}, 0x8}) ioctl$BLKSECTGET(r0, 0x1267, &(0x7f0000000000)) 11:01:05 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x0, 0x1a002, 0x0) 11:01:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) dup(r3) sendfile(r3, r2, 0x0, 0x1c01) ioctl$KDADDIO(r2, 0x4b34, 0xff) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:05 executing program 0: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) r0 = syz_genetlink_get_family_id$tipc(&(0x7f00000003c0)='TIPC\x00') sendmsg$TIPC_CMD_GET_MEDIA_NAMES(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x1c, r0, 0x4, 0x70bd2b, 0x25dfdbfb, {}, ["", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000}, 0x2040040) r1 = getgid() r2 = socket$inet_udplite(0x2, 0x2, 0x88) fstat(r2, &(0x7f0000001b80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = socket$inet_udplite(0x2, 0x2, 0x88) fstat(r4, &(0x7f0000001b80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r6 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/hwrng\x00', 0x604000, 0x0) setsockopt$inet_opts(r6, 0x0, 0xd, &(0x7f0000000300)="476c45674a552e2110c3f2cdc18d29fbeafe70ec493378e21ffd4c85aae86dfa36de12604f41c487015269faa50b20dfb80f0d2349b7c3f7b1108cf03af97b3ce8e57fbf9f9ff870c0995b4bc9f9f9ece0713464b7b6ea41e025ff0b8f09341921e886743c1f09d4185b10b844df1364b51c346d", 0x74) lsetxattr$system_posix_acl(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000140)='system.posix_acl_access\x00', &(0x7f0000000200)=ANY=[@ANYBLOB="020000000100000000000000040003000000000008000100", @ANYRES32=r1, @ANYBLOB='\b\x00\a\x00', @ANYRES32=r3, @ANYBLOB='\b\x00\a\x00', @ANYRES32=r5, @ANYBLOB="100007000000000020"], 0x3c, 0x0) r7 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r8) r9 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r9, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r10) syz_mount_image$tmpfs(&(0x7f0000000000)='tmpfs\x00', &(0x7f0000000040)='./file0\x00', 0xe0, 0x1, &(0x7f0000000180)=[{&(0x7f0000000080)="916a76042597554a5662643d1b59e669b5ecd5690a9d4555a9bdfb7ba8415e0d8c57721458e6752ccf484a69c2b6fb31c97511dcfb4d1125f1c26686976d8c358b6992348d123b4d3889547ddc9c5cdc2955113a325762d2f1cad9c1e3e6d5e386a92170e28392da23c94ee29a8728354fc14e7de7c63ff5642dc7cee80feada68932dc2167ebe7c0cd87d041d40250074a212c8244f7952d34c24dcbf18aad778dfc062ee459d64476b971a0e2dc2bd4d9ee0663db30829f7025ec5452d42aa0bc04a76ce04c5be85c74a3deacd9eb0565e228f6d89ff3c119600efa38804", 0xdf, 0x4}], 0x840020, &(0x7f00000001c0)=ANY=[@ANYBLOB="6769dd1d", @ANYRESHEX=r3, @ANYBLOB=',huge=within_size=$$vmnet1selinux],mpol=prefer,uid=', @ANYRESHEX=r8, @ANYBLOB=',huge=within_size=ppp0@keyring.+,huge=advise=procnodev(,uid=', @ANYRESHEX=r10, @ANYBLOB=',smackfsdef=,smackfshat=,\x00']) socketpair(0x22, 0x6, 0x5, 0x0) 11:01:05 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000100)={0x38, 0x2, 0x0, 0x0, 0x9, 0xfffffffffffffff7, 0x0, 0x0, 0x40000000}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0xffffffffffffffff}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0xffffbfffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) [ 1539.266662] block nbd4: Device being setup by another task [ 1539.316370] block nbd4: Device being setup by another task 11:01:05 executing program 3 (fault-call:12 fault-nth:3): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:05 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) dup(r1) sendfile(r1, r0, 0x0, 0x1c01) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000000)=0x9) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) 11:01:05 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x0, 0x1a002, 0x0) 11:01:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) getsockopt$IPT_SO_GET_REVISION_TARGET(r1, 0x0, 0x43, &(0x7f0000000000)={'ipvs\x00'}, &(0x7f0000000040)=0x1e) ioctl$NBD_DO_IT(r0, 0xab03) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) dup(r3) sendfile(r3, r2, 0x0, 0x1c01) ioctl$VIDIOC_DQBUF(0xffffffffffffffff, 0xc0585611, &(0x7f00000000c0)={0x100, 0xb, 0x4, 0x1000000, 0xfffffffb, {}, {0x0, 0x8, 0xff, 0x9, 0x20, 0x9, "262c24ee"}, 0x9, 0x3, @fd=r2, 0x7fbb, 0x0, 0xffffffffffffffff}) sendmsg$kcm(r4, &(0x7f0000002c40)={&(0x7f0000000140)=@l2tp={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x44}, 0x1}, 0x80, &(0x7f0000000640)=[{&(0x7f00000001c0)="1ed92b8d84ab8302c810eb776c3099cef197e305bfd6232a291cde029c350234c916e288a8c16e776494c22dc783ec1766aa30f8d9d410bca78770ea0493bc3d23a372c3630aa0b519bd4aa1e5457097d615c02f40abee1912eaf18b90fcaeff0cdf6218ba9313b64f3a17aed39112588529eb584bb7afc76fff0eb614034d1f3422a717bc978cc7b365511f3593a90fbecbd1a1e1ddaf24750e58e38eedc28bccb548e0f57baaeef5506a3567e10f1a1861925606bac6bfc1fe62dd8e80002cc4e50153cbd24588f06fba6a384db168e4e3b1", 0xd3}, {&(0x7f00000002c0)="8246d0dd5980bc772ee737e03b5787e1b3546ff7ab11ce8ec513b684a2e3f1e706a27d081239d69e66c5d05dbd5cc7922a7083544cb5e834c87d9bb290b06ea0ba9b6266da90ba3d344d10585880c59df7f4b5c722490b0f48f9f5c7be8c1d46b65faa8fae6584d239a6f4a6bea05ba5990584e784a5101f049d43095e2d697a6b03b84b1e64fb5e1f26345db4e01089cc8f629c4160a1f4bd2916768bd8fea6fe674af957b89b6d4fd33f01a3632f66fccc46e03b2ccd18ff6fa14da36807ae36abc992a0fe572b5f21f34390c7fdb501c3d1ef88d8cd22c07e373bb316de2d273ddfaf7a456fff8a9e7682223e", 0xee}, {&(0x7f00000003c0)="a422b1202afbab46042ef9b2ac2b27cb563df87e53c25346af32b6488bc50840fbf3c45e8f27d3d7f2971aab39dc27cac6a91ddfafef49a1311abd3147b43f19a3016cf3", 0x44}, {&(0x7f0000000440)="3ecf3b166103b55a75deaf450e9fa6f246e3aab2e90d92bd50e923adc8f768bb79eb1135fdcc62681c13b21ac9edc2e06d0fb2772ace37c92aeab8297f0f5f978b7dbe21b317bbcfd9bfb20112f63031f322766e96e3d8ed7c3414a4c38b95952d10bd176273b733b4f6ab409edd96a428873ff9ff339a6d1e62fc0d271f", 0x7e}, {&(0x7f00000004c0)="b67e70f97d374022a454b6cb40bf8a55231213110673a764506813338544c7c23637b372d072ebcf13aec37b19d57b21cc5e9a546ea9f1e47677f65e4ed782580fc761db6ef56a89b3a33168352e49cb7a27d5116f44b7ee7fbb8f17b4e76c63057a03572968742cb50a4ba7ed7dea5fa4a7dffba0b48716c01614534791fe64b993ac14", 0x84}, {&(0x7f0000000580)="ffdba2634982d646aa02b43c692dd6fbe2654d6aaf47ed585a2ac65b36e9fb150420c77c2e856f96a2b1cb4d8c84ad15bc8c0b5e2b977b87f42393555a1bb53d6ba8f3cb6255aec65d5cda7b7e7ba9e5405c14feb6fa2af9ae8ed4071e05839389df9aee347ec8c9e23d6916982810af2769bdce8aa9edde9d1e4e", 0x7b}, {&(0x7f0000000600)}], 0x7, 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"/9527], 0x2540}, 0x20000080) syz_open_dev$rtc(&(0x7f0000000600)='/dev/rtc#\x00', 0x7f, 0x440) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:05 executing program 2: clock_gettime(0x0, &(0x7f00000000c0)) ioctl$VIDIOC_PREPARE_BUF(0xffffffffffffffff, 0xc058565d, &(0x7f0000000100)={0xffff7fff, 0x7, 0x4, 0x41000001, 0xfffff2aa, {0x77359400}, {0x4, 0xc, 0x3, 0x4, 0x7, 0x1, "d0c171fa"}, 0x4, 0x4, @userptr=0x6, 0x8, 0x0, 0xffffffffffffffff}) ioctl$SCSI_IOCTL_SEND_COMMAND(r0, 0x1, &(0x7f00000001c0)={0xe1, 0x0, 0x5, "60153ac0a44722f4e4d4db46fe4631484e13e455e8362f515d7dee10e016ab9f8eb57b8dd5b85c7e6dbeb9787b7c9d0d4e922a2787aee1d69b04d5d90f216638e9a6a04e0f990ba4f843f20909bf0e13bb857429bc8a29ff0694f24bf6e704cc6a6c4b928930164b580de196f64df3783c11fd186ef2e3f2f34be80047069d41ec79702015f511d34677d1739e52751c68f04aabcb20ba142577f609eb0d25ffa469608da3fb9fa67fa7abcae3fc4d6f3c969c6bbe26a86d20e7f18f7e9ff855df0850f28494331ac99f8984deb99c10978eefa69b50198ac25176d8acd58066bd"}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = dup(r2) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) r5 = dup(r4) write$FUSE_NOTIFY_INVAL_ENTRY(r5, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r5, 0xc01064b5, &(0x7f0000000300)={&(0x7f00000002c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x7}) write$FUSE_NOTIFY_INVAL_ENTRY(r3, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$MON_IOCX_MFETCH(r3, 0xc0109207, &(0x7f0000000040)={&(0x7f0000000000)=[0x0, 0x0, 0x0], 0x3}) [ 1539.459194] block nbd4: Device being setup by another task 11:01:05 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000100)='projid_map\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:05 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x0, 0x1a002, 0x0) 11:01:05 executing program 2: lookup_dcookie(0x100000000, &(0x7f00000000c0)=""/139, 0x8b) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) r3 = add_key$user(&(0x7f00000001c0)='user\x00', &(0x7f0000000200)={'syz', 0x3}, &(0x7f0000000240)='t', 0x1, 0xffffffffffffffff) keyctl$KEYCTL_PKEY_SIGN(0x1b, &(0x7f0000000180)={r3, 0xbe, 0x1000}, &(0x7f0000004640)=ANY=[@ANYBLOB="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"], &(0x7f00000002c0)="afa956f99fd5ca40a2a1515e0d4bba7d88a39d6919ef447e8984c7e0cd4407af0aed3a82dc305722365fc3188e138c41acd2c584ddd617254db80f19a6dae9d7585a00bb7a94c78069051dbbbb88ebde2a6e5b6b75df1a0ce8c65323f27c5b4c2f9a3177e57ddb7135da90f1784d0bf29366e0f2c970aea6115c47b75127e0ef73d614fc9e4a1c750cfaddf118b1f06ddfdf96531ed1ae7a89b3976c09fc52aff0f7effdf05e750548608ee8181e8a64ec66cec78f7b3fc33b37ef434288", &(0x7f0000000540)=""/4096) r4 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f00000000c0)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$invalidate(0x15, r4) keyctl$unlink(0x9, r3, r4) sendfile(r2, r1, 0x0, 0x1c01) ioctl$KDGKBMODE(r1, 0x4b44, &(0x7f0000000000)) [ 1539.555347] block nbd4: Device being setup by another task [ 1539.626998] FAULT_INJECTION: forcing a failure. [ 1539.626998] name failslab, interval 1, probability 0, space 0, times 0 [ 1539.638484] CPU: 1 PID: 18300 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1539.646380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1539.655745] Call Trace: [ 1539.658344] dump_stack+0x13e/0x194 [ 1539.661974] should_fail.cold+0x10a/0x14b [ 1539.666145] should_failslab+0xd6/0x130 [ 1539.670116] kmem_cache_alloc+0x2b5/0x770 [ 1539.674278] ? selinux_is_enabled+0x5/0x50 [ 1539.678518] ? creds_are_invalid+0x44/0x100 [ 1539.682844] ? __validate_process_creds+0x19e/0x1f0 [ 1539.687876] prepare_creds+0x37/0x380 [ 1539.691689] copy_creds+0x72/0x4d0 [ 1539.695255] copy_process.part.0+0x868/0x6a50 [ 1539.699761] ? get_pid_task+0xb8/0x130 [ 1539.703645] ? proc_fail_nth_write+0x7b/0x180 [ 1539.708269] ? save_trace+0x290/0x290 [ 1539.712076] ? __lock_is_held+0xad/0x140 [ 1539.716133] ? find_held_lock+0x2d/0x110 [ 1539.720211] ? __cleanup_sighand+0x40/0x40 [ 1539.724439] ? lock_downgrade+0x6e0/0x6e0 [ 1539.728583] _do_fork+0x180/0xc80 [ 1539.732038] ? fork_idle+0x270/0x270 [ 1539.735744] ? fput+0xb/0x140 [ 1539.738853] ? SyS_write+0x14d/0x210 [ 1539.742568] ? SyS_read+0x210/0x210 [ 1539.746239] ? SyS_clock_settime+0x1a0/0x1a0 [ 1539.750675] ? do_syscall_64+0x4c/0x640 [ 1539.754665] ? sys_vfork+0x20/0x20 [ 1539.758214] do_syscall_64+0x1d5/0x640 [ 1539.762108] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1539.767288] RIP: 0033:0x45c829 11:01:05 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() r0 = socket$inet6(0xa, 0x3, 0x7) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r0, &(0x7f0000000040)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0, 0x4d}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) write$FUSE_INIT(r1, &(0x7f0000000200)={0x50, 0x0, 0x2, {0x7, 0x1f, 0x100, 0x388108, 0x4, 0x9, 0x2249, 0x2d}}, 0x50) 11:01:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x25, 0x80000, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) ioctl$TUNGETDEVNETNS(0xffffffffffffffff, 0x54e3, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) getsockopt$inet_sctp_SCTP_EVENTS(r3, 0x84, 0xb, &(0x7f0000000000), &(0x7f0000000040)=0xe) close(r0) rt_sigprocmask(0x2, &(0x7f00000000c0), &(0x7f0000000100), 0x8) [ 1539.770466] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1539.778168] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1539.785430] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1539.792694] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1539.799952] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1539.807254] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:05 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x0, &(0x7f0000000180)={0x77359400}) 11:01:05 executing program 0: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, 0x0, 0x0, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1540.050389] block nbd4: Device being setup by another task [ 1540.103081] block nbd4: Device being setup by another task 11:01:06 executing program 3 (fault-call:12 fault-nth:4): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:06 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x800) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x3) 11:01:06 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x800, 0x0) mq_timedreceive(r4, &(0x7f00000000c0)=""/109, 0x6d, 0x47e, &(0x7f0000000040)={0x77359400}) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:06 executing program 1 (fault-call:6 fault-nth:0): clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:06 executing program 0 (fault-call:1 fault-nth:0): r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:06 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x38, 0x2, 0x0, 0x0, 0x9, 0x0, 0x2}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:06 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) recvmmsg(r2, &(0x7f0000002600)=[{{&(0x7f00000000c0)=@l2, 0x80, &(0x7f0000001400)=[{&(0x7f0000000140)=""/4096, 0x1000}, {&(0x7f0000001140)=""/103, 0x67}, {&(0x7f00000011c0)=""/247, 0xf7}, {&(0x7f00000012c0)=""/86, 0x56}, {&(0x7f0000001340)=""/147, 0x93}], 0x5}, 0x1}, {{&(0x7f0000001480)=@isdn, 0x80, &(0x7f0000002500)=[{&(0x7f0000001500)=""/4096, 0x1000}], 0x1}, 0x9}, {{&(0x7f0000002540)=@ethernet={0x0, @local}, 0x80, &(0x7f00000025c0)}, 0x7fff}], 0x3, 0x4100, &(0x7f00000026c0)={0x0, 0x989680}) ioctl$sock_TIOCOUTQ(r2, 0x5411, &(0x7f0000000040)) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1540.418677] block nbd2: Device being setup by another task [ 1540.442423] block nbd4: Device being setup by another task [ 1540.464139] block nbd4: Device being setup by another task [ 1540.471041] block nbd2: Device being setup by another task [ 1540.502808] block nbd4: Device being setup by another task [ 1540.536482] block nbd0: Device being setup by another task 11:01:06 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f0000000000), &(0x7f0000000040)=0x14) [ 1540.659038] FAULT_INJECTION: forcing a failure. [ 1540.659038] name failslab, interval 1, probability 0, space 0, times 0 [ 1540.670380] CPU: 1 PID: 18376 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1540.678265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1540.687613] Call Trace: [ 1540.690207] dump_stack+0x13e/0x194 [ 1540.693831] should_fail.cold+0x10a/0x14b [ 1540.697974] should_failslab+0xd6/0x130 [ 1540.701944] __kmalloc_track_caller+0x2e1/0x7b0 [ 1540.706606] ? selinux_cred_prepare+0x44/0xa0 [ 1540.711098] ? prepare_creds+0x37/0x380 [ 1540.715066] kmemdup+0x23/0x50 [ 1540.719034] selinux_cred_prepare+0x44/0xa0 [ 1540.723351] security_prepare_creds+0x76/0xb0 [ 1540.727842] prepare_creds+0x2cc/0x380 [ 1540.731724] copy_creds+0x72/0x4d0 [ 1540.735276] copy_process.part.0+0x868/0x6a50 [ 1540.739773] ? get_pid_task+0xb8/0x130 [ 1540.743769] ? proc_fail_nth_write+0x7b/0x180 [ 1540.748268] ? save_trace+0x290/0x290 [ 1540.752066] ? __lock_is_held+0xad/0x140 [ 1540.756122] ? find_held_lock+0x2d/0x110 [ 1540.760274] ? __cleanup_sighand+0x40/0x40 [ 1540.764506] ? lock_downgrade+0x6e0/0x6e0 [ 1540.768651] _do_fork+0x180/0xc80 [ 1540.772110] ? fork_idle+0x270/0x270 [ 1540.775817] ? fput+0xb/0x140 [ 1540.778917] ? SyS_write+0x14d/0x210 [ 1540.782628] ? SyS_read+0x210/0x210 [ 1540.786247] ? SyS_clock_settime+0x1a0/0x1a0 [ 1540.790651] ? do_syscall_64+0x4c/0x640 [ 1540.794617] ? sys_vfork+0x20/0x20 [ 1540.798155] do_syscall_64+0x1d5/0x640 [ 1540.802044] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1540.807234] RIP: 0033:0x45c829 [ 1540.810422] RSP: 002b:00007f0c687c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1540.818134] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1540.825413] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1540.833227] RBP: 000000000078c0e0 R08: ffffffffffffffff R09: 0000000000000000 [ 1540.840495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1540.847778] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687c36d4 11:01:06 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x94, 0x2, 0x1, 0x0, 0x3, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1540.862155] block nbd4: Device being setup by another task 11:01:06 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$TIOCL_SCROLLCONSOLE(r2, 0x541c, &(0x7f0000000040)={0xd, 0x20}) 11:01:06 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x437) r6 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r6, 0xab07, 0x4005) close(r0) [ 1540.964959] block nbd2: Device being setup by another task [ 1541.020092] block nbd2: Device being setup by another task [ 1541.088734] block nbd4: Device being setup by another task [ 1541.120518] print_req_error: 488 callbacks suppressed [ 1541.120525] print_req_error: I/O error, dev nbd4, sector 0 11:01:07 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(r2, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r4, 0x407, 0x0) write(r4, &(0x7f0000000340), 0x41395527) vmsplice(r3, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r5, 0xc0045005, &(0x7f0000000180)) [ 1541.135703] buffer_io_error: 486 callbacks suppressed [ 1541.135710] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1541.168521] print_req_error: I/O error, dev nbd4, sector 2 [ 1541.174319] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1541.177762] block nbd4: Device being setup by another task [ 1541.186400] print_req_error: I/O error, dev nbd4, sector 4 [ 1541.192834] Buffer I/O error on dev nbd4, logical block 2, async page read [ 1541.200356] print_req_error: I/O error, dev nbd4, sector 6 [ 1541.206018] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1541.213952] block nbd4: Device being setup by another task [ 1541.213957] print_req_error: I/O error, dev nbd4, sector 24 [ 1541.213966] Buffer I/O error on dev nbd4, logical block 12, async page read [ 1541.234149] print_req_error: I/O error, dev nbd4, sector 26 [ 1541.240236] Buffer I/O error on dev nbd4, logical block 13, async page read [ 1541.248825] print_req_error: I/O error, dev nbd4, sector 28 [ 1541.254726] Buffer I/O error on dev nbd4, logical block 14, async page read [ 1541.265999] print_req_error: I/O error, dev nbd4, sector 30 [ 1541.271820] Buffer I/O error on dev nbd4, logical block 15, async page read [ 1541.287387] block nbd4: Device being setup by another task [ 1541.333619] print_req_error: I/O error, dev nbd4, sector 32640 [ 1541.339981] print_req_error: I/O error, dev nbd4, sector 32640 [ 1541.345975] Buffer I/O error on dev nbd4, logical block 16320, async page read [ 1541.355390] Buffer I/O error on dev nbd4, logical block 16321, async page read 11:01:07 executing program 3 (fault-call:12 fault-nth:5): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:07 executing program 2: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/nvme-fabrics\x00', 0x20083, 0x0) ioctl$sock_bt_bnep_BNEPGETSUPPFEAT(r0, 0x800442d4, &(0x7f0000000200)=0x2) r1 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x1c7e00) ioctl$DRM_IOCTL_MODE_PAGE_FLIP(0xffffffffffffffff, 0xc01864b0, &(0x7f0000000040)={0x401, 0xd1, 0x4, 0x99, 0x800}) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x6) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) dup(r3) sendfile(r3, r2, 0x0, 0x1c01) ioctl$VIDIOC_QBUF(r2, 0xc058560f, &(0x7f00000000c0)={0xfff, 0xc, 0x4, 0x20000000, 0x8, {0x77359400}, {0x3, 0x8, 0x81, 0x6, 0x3, 0x6, "88a18ee8"}, 0x6, 0x1, @planes=&(0x7f0000000080)={0x3, 0x2, @userptr=0x8, 0x1f}, 0x20, 0x0, r1}) ioctl$KVM_CREATE_PIT2(r4, 0x4040ae77, &(0x7f0000000140)={0x401}) 11:01:07 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) setsockopt$SO_RDS_MSG_RXPATH_LATENCY(r2, 0x114, 0xa, &(0x7f0000000040)={0x2, "9182"}, 0x3) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:07 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) fchmod(r1, 0xc0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = dup(r2) write$FUSE_NOTIFY_INVAL_ENTRY(r3, &(0x7f00000001c0)=ANY=[@ANYBLOB="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"], 0x12) mkdirat$cgroup(r3, &(0x7f0000000000)='syz0\x00', 0x1ff) 11:01:07 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1541.847415] block nbd4: Device being setup by another task [ 1541.884758] block nbd0: Device being setup by another task [ 1541.910385] block nbd0: Device being setup by another task [ 1541.919221] block nbd4: Device being setup by another task [ 1542.008685] FAULT_INJECTION: forcing a failure. [ 1542.008685] name failslab, interval 1, probability 0, space 0, times 0 [ 1542.020148] CPU: 0 PID: 18422 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1542.028047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1542.037408] Call Trace: [ 1542.040018] dump_stack+0x13e/0x194 [ 1542.043667] should_fail.cold+0x10a/0x14b [ 1542.047831] ? should_failslab+0x9c/0x130 [ 1542.051992] should_failslab+0xd6/0x130 [ 1542.055976] kmem_cache_alloc+0x2b5/0x770 [ 1542.060157] ? selinux_is_enabled+0x5/0x50 [ 1542.064399] ? creds_are_invalid+0x44/0x100 [ 1542.068750] ? selinux_is_enabled+0x5/0x50 [ 1542.073011] ? creds_are_invalid+0x44/0x100 [ 1542.077352] __delayacct_tsk_init+0x1b/0x80 [ 1542.081690] copy_process.part.0+0x1a6c/0x6a50 [ 1542.086302] ? get_pid_task+0xb8/0x130 [ 1542.090202] ? proc_fail_nth_write+0x7b/0x180 [ 1542.094707] ? save_trace+0x290/0x290 [ 1542.098513] ? __lock_is_held+0xad/0x140 [ 1542.100568] block nbd2: Device being setup by another task 11:01:07 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = accept4$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x2711}, 0x10, 0x80800) sendto(r3, &(0x7f00000000c0)="7069a95af9d415cb2fa7d32c4df6bb7f8715843061a458a6f2381d293b324d1cc7125d8c928fe70d2dc8349741852976ee920d0bc3f993d87139a7bd1b98848ff1e1f2fbd34c3d37a043230b3ba9958676f02690c7d2a430222d0497b2d6819aeb1dbaaf366a07eefcaced25fd422fba314414454565fbb30dd3e3a2d35c3d3d3b770003fd6a8af889dcec03fe825d12319e86c941b6", 0x96, 0x884, 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x437) ioctl$IOC_PR_PREEMPT(r4, 0x401870cb, &(0x7f0000000040)={0x9, 0xffffffff00000001, 0x4}) [ 1542.102591] ? __cleanup_sighand+0x40/0x40 [ 1542.102604] ? lock_downgrade+0x6e0/0x6e0 [ 1542.102619] _do_fork+0x180/0xc80 [ 1542.120082] ? fork_idle+0x270/0x270 [ 1542.123802] ? fput+0xb/0x140 [ 1542.126902] ? SyS_write+0x14d/0x210 [ 1542.130614] ? SyS_read+0x210/0x210 [ 1542.134242] ? do_syscall_64+0x4c/0x640 [ 1542.138229] ? sys_vfork+0x20/0x20 [ 1542.141766] do_syscall_64+0x1d5/0x640 [ 1542.145791] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1542.150996] RIP: 0033:0x45c829 [ 1542.154177] RSP: 002b:00007f0c68825c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1542.161890] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1542.169164] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1542.176437] RBP: 000000000078bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 1542.183710] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1542.190973] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c688266d4 [ 1542.240183] block nbd2: Device being setup by another task [ 1542.261465] block nbd2: Device being setup by another task 11:01:08 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x10) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:08 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r5, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) getpeername$packet(0xffffffffffffffff, &(0x7f00000000c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14) sendmsg$ETHTOOL_MSG_STRSET_GET(r1, &(0x7f0000000500)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x330, 0x0, 0x2, 0x70bd2a, 0x25dfdbff, {}, [@ETHTOOL_A_STRSET_HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}]}, @ETHTOOL_A_STRSET_STRINGSETS={0x128, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}]}, {0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x4}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x4}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8}]}, {0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x1}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x3}]}, {0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x1}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}]}, {0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x1}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0xc}]}]}, @ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}, @ETHTOOL_A_STRSET_HEADER={0x5c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_team\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}]}, @ETHTOOL_A_STRSET_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'tunl0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}, @ETHTOOL_A_STRSET_STRINGSETS={0x13c, 0x2, 0x0, 0x1, [{0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x1}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x3}]}, {0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0xb}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8}]}, {0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x4}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x9}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x3}]}, {0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x4}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x4}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x4}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x3}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}]}, {0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x1}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}]}, {0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x4}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x3}, @ETHTOOL_A_STRINGSET_ID={0x8}]}]}]}, 0x330}, 0x1, 0x0, 0x0, 0x8880}, 0x4000015) r7 = dup(r2) write$FUSE_NOTIFY_INVAL_ENTRY(r7, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$KVM_REINJECT_CONTROL(r7, 0xae71, &(0x7f0000000000)={0x5}) close(r0) 11:01:08 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) setsockopt$inet_tcp_TCP_QUEUE_SEQ(r3, 0x6, 0x15, &(0x7f00000000c0)=0x69, 0x4) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) sendmsg$AUDIT_USER_AVC(r5, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x78, 0x453, 0x20, 0x70bd25, 0x25dfdbff, "21b8216d1eb3e20adc8471ddf2125646944e8d7a8c69aaa8f4f8fafc62cb36e31c03ab4b974fb19f7f87b5677157447252c47ab63c44a13b6f879a88e6d282136d2ed69c56ad004184170543fa1eb37c2f4a25580826021edfb7056fe04d705afd3c8555fc851d", ["", "", "", "", "", ""]}, 0x78}, 0x1, 0x0, 0x0, 0x40}, 0x400cc10) r6 = socket(0x0, 0x1, 0x101) ioctl$NBD_SET_SOCK(r1, 0xab00, r6) setsockopt$inet_dccp_int(r6, 0x21, 0x10, &(0x7f0000000040)=0x4, 0x4) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x6, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797", 0x41323151}) r7 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r8 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r8, 0xc0045002, &(0x7f0000000080)) dup(r8) sendfile(r8, r7, 0x0, 0x1c01) ioctl$TIOCGSID(r7, 0x5429, &(0x7f0000000240)) 11:01:08 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) sendmsg$NFT_MSG_GETOBJ(r4, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, 0x13, 0xa, 0x101, 0x0, 0x0, {0x0, 0x0, 0xa}, [@NFTA_OBJ_NAME={0x9, 0x2, 'syz0\x00'}, @NFTA_OBJ_HANDLE={0xc, 0x6, 0x1, 0x0, 0x3}, @NFTA_OBJ_HANDLE={0xc, 0x6, 0x1, 0x0, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x8010}, 0x4048001) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x437) ioctl$BLKDISCARD(r1, 0x1277, &(0x7f0000000000)=0x4) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) pipe(&(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x0) 11:01:08 executing program 3 (fault-call:12 fault-nth:6): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) [ 1542.636851] block nbd0: Device being setup by another task [ 1542.653664] block nbd4: Device being setup by another task [ 1542.669228] block nbd0: Device being setup by another task 11:01:08 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x1, 0x0, 0x0, 0x0, 0x0, 0x2, 0x80, 0xa, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x1f, 0x2}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0xffffffffffffffff, 0x40000, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0xad990342dca87064, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1542.693491] block nbd2: Device being setup by another task [ 1542.698983] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1542.715198] block nbd2: Device being setup by another task [ 1542.758797] block nbd0: Device being setup by another task [ 1542.898224] FAULT_INJECTION: forcing a failure. [ 1542.898224] name failslab, interval 1, probability 0, space 0, times 0 [ 1542.909631] CPU: 0 PID: 18491 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1542.917531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1542.927015] Call Trace: [ 1542.929634] dump_stack+0x13e/0x194 [ 1542.933284] should_fail.cold+0x10a/0x14b [ 1542.937454] should_failslab+0xd6/0x130 [ 1542.941523] kmem_cache_alloc+0x2b5/0x770 [ 1542.945686] ? __lockdep_init_map+0x100/0x560 [ 1542.950193] dup_fd+0x81/0xa40 [ 1542.953403] ? perf_event_init_task+0xfc/0x790 [ 1542.957986] ? audit_alloc+0x86/0x640 [ 1542.961796] copy_process.part.0+0x1b5a/0x6a50 [ 1542.966387] ? get_pid_task+0xb8/0x130 [ 1542.970282] ? proc_fail_nth_write+0x7b/0x180 [ 1542.974878] ? save_trace+0x290/0x290 [ 1542.978692] ? __lock_is_held+0xad/0x140 [ 1542.982767] ? __cleanup_sighand+0x40/0x40 [ 1542.987043] ? lock_downgrade+0x6e0/0x6e0 [ 1542.991292] _do_fork+0x180/0xc80 [ 1542.994753] ? fork_idle+0x270/0x270 [ 1542.998476] ? fput+0xb/0x140 [ 1543.001588] ? SyS_write+0x14d/0x210 [ 1543.005338] ? SyS_read+0x210/0x210 [ 1543.008977] ? SyS_clock_settime+0x1a0/0x1a0 [ 1543.013400] ? do_syscall_64+0x4c/0x640 [ 1543.017385] ? sys_vfork+0x20/0x20 [ 1543.020937] do_syscall_64+0x1d5/0x640 [ 1543.024866] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1543.030071] RIP: 0033:0x45c829 [ 1543.033261] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1543.041015] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 11:01:08 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000000b000/0x18000)=nil, &(0x7f00000008c0)=[@textreal={0x8, &(0x7f00000000c0)="ffb10c10ba4300b0c8ee660f38826f3cf30f01e80f69e866f20f38f015650f01c883dd000f0131baf80c66b87aa1cc8b66efbafc0ced", 0x36}], 0x28d, 0x0, 0x0, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r4, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_PIT2(r4, 0x4040ae77, &(0x7f0000000000)) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0xcc, &(0x7f00000002c0)={{0xa, 0x4e20, 0x101, @rand_addr=' \x01\x00', 0xdeac}, {0xa, 0x4e24, 0x5, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x16c}, 0x4, [0x5, 0xff, 0xfffffffd, 0x18, 0x8, 0x5, 0x2, 0x2]}, 0x5c) ioctl$KVM_SET_REGS(r5, 0x4090ae82, &(0x7f0000000140)={[0x0, 0x9, 0x0, 0x4, 0xcfa2, 0xfffffffffffffffe, 0x4ca, 0x100000000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x2, 0x200000000000, 0xffffffffffbffffc]}) ioctl$VIDIOC_DQBUF(0xffffffffffffffff, 0xc0445611, &(0x7f0000000240)={0x0, 0x0, 0x4, 0x0, 0x0, {0x77359400}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "7a5f8790"}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) ioctl$KVM_RUN(r5, 0xae80, 0x0) prctl$PR_MPX_DISABLE_MANAGEMENT(0x2c) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) write$P9_RVERSION(r2, &(0x7f0000000040)={0x15, 0x65, 0xffff, 0x3ff, 0x8, '9P2000.u'}, 0x15) [ 1543.048297] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1543.055564] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1543.062833] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1543.070105] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x21, 0x1, 0x0) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x442000, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0xf0000) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) dup(r3) sendfile(r3, r2, 0x0, 0x1c01) mlock2(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x0) ioctl$VIDIOC_G_STD(r2, 0x80085617, &(0x7f0000000040)) 11:01:09 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(r2, 0x0, 0x40402, 0x88) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0), 0x10000000000001ff}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r4, 0x407, 0x0) write(r4, &(0x7f0000000340), 0x41395527) vmsplice(r3, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_bp={&(0x7f0000000180), 0xc}, 0x48063, 0x0, 0x1, 0x7, 0x40, 0x0, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(0xffffffffffffffff, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x28, 0x2, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) sync() ioctl$SOUND_MIXER_WRITE_VOLUME(0xffffffffffffffff, 0xc0044d07, &(0x7f0000000040)=0x8) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x1d, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) ioctl$BLKRRPART(r2, 0x125f, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x400001, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) flock(r5, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1543.498928] block nbd4: Device being setup by another task 11:01:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x1, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r5, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x6c, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000000)={r6, 0x2}, &(0x7f0000000040)=0x8) 11:01:09 executing program 3 (fault-call:12 fault-nth:7): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:09 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_QUERYBUF(0xffffffffffffffff, 0xc0585609, &(0x7f00000000c0)={0x7fff, 0xc, 0x4, 0x112, 0x3f, {0x77359400}, {0x5, 0x2, 0x1f, 0x0, 0x3, 0xf, "21cee3dd"}, 0x0, 0x1, @offset=0x3, 0x5, 0x0, 0xffffffffffffffff}) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x1, 0x84) r4 = dup3(r2, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r4, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x6c, &(0x7f000059aff8)={r5}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r1, 0x84, 0x6d, &(0x7f0000000040)={r5, 0x2e, "fb52876b9d026cdc2763bf7767023b707253da0364f8d0997727b1a189406b7d2634288a2a2b213ddd9b23ba5dee"}, &(0x7f0000000140)=0x36) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1543.647192] can: request_module (can-proto-0) failed. [ 1543.653230] ldm_validate_partition_table(): Disk read failed. [ 1543.671665] block nbd2: Device being setup by another task [ 1543.690501] Dev nbd4: unable to read RDB block 0 11:01:09 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x28, 0x0, 0xffffffff, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1543.726513] nbd4: unable to read partition table [ 1543.753428] block nbd2: Device being setup by another task [ 1543.794852] ldm_validate_partition_table(): Disk read failed. [ 1543.822018] Dev nbd4: unable to read RDB block 0 [ 1543.836375] can: request_module (can-proto-0) failed. 11:01:09 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000040), &(0x7f00000000c0)=0x4) [ 1543.858954] nbd4: unable to read partition table [ 1543.941514] FAULT_INJECTION: forcing a failure. [ 1543.941514] name failslab, interval 1, probability 0, space 0, times 0 [ 1543.953000] CPU: 0 PID: 18557 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1543.960900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1543.970253] Call Trace: [ 1543.972847] dump_stack+0x13e/0x194 [ 1543.976475] should_fail.cold+0x10a/0x14b [ 1543.980624] should_failslab+0xd6/0x130 [ 1543.984592] kmem_cache_alloc_trace+0x2db/0x7b0 [ 1543.989261] ? lock_downgrade+0x6e0/0x6e0 [ 1543.993424] alloc_fdtable+0x78/0x270 [ 1543.997239] dup_fd+0x683/0xa40 [ 1544.000545] copy_process.part.0+0x1b5a/0x6a50 [ 1544.005135] ? get_pid_task+0xb8/0x130 [ 1544.009037] ? proc_fail_nth_write+0x7b/0x180 [ 1544.013543] ? save_trace+0x290/0x290 [ 1544.017354] ? __lock_is_held+0xad/0x140 [ 1544.021442] ? __cleanup_sighand+0x40/0x40 [ 1544.025678] ? lock_downgrade+0x6e0/0x6e0 [ 1544.029832] _do_fork+0x180/0xc80 [ 1544.033290] ? fork_idle+0x270/0x270 [ 1544.037003] ? fput+0xb/0x140 [ 1544.040102] ? SyS_write+0x14d/0x210 [ 1544.043809] ? SyS_read+0x210/0x210 [ 1544.047432] ? SyS_clock_settime+0x1a0/0x1a0 [ 1544.051840] ? do_syscall_64+0x4c/0x640 [ 1544.055812] ? sys_vfork+0x20/0x20 [ 1544.059347] do_syscall_64+0x1d5/0x640 [ 1544.063237] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1544.068417] RIP: 0033:0x45c829 [ 1544.071597] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1544.079303] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1544.086580] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1544.093846] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1544.101115] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1544.108388] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x440400, 0x0) ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f0000000300)={0x4c, 0x0, &(0x7f0000000200)=[@reply_sg={0x40486312, {0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x58, 0x18, &(0x7f0000000180)={@ptr={0x70742a85, 0x1, &(0x7f00000000c0)=""/133, 0x85, 0x0, 0x3c}, @flat=@handle={0x73682a85, 0x101, 0x2}, @flat=@weak_handle={0x77682a85, 0x10b, 0x3}}, &(0x7f0000000040)={0x0, 0x28, 0x40}}, 0x1000}], 0x4e, 0x0, &(0x7f0000000280)="903b943caa27616d7877c95362700e59c427cc7d7d4316144c7de331c0f6d8657621d659558a0260aaa6ad97879cfa69bfcfde58d8c7fe28af626a58569bc5d293811b813bea49023fba54695cba"}) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1544.180732] block nbd0: Device being setup by another task 11:01:10 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c8, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:10 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) mmap$snddsp_control(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x800000, 0x810, r1, 0x83000000) [ 1544.229145] block nbd4: Device being setup by another task 11:01:10 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x402300, 0x0) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x1, 0x84) r4 = dup3(r2, r3, 0x0) ioctl$SIOCAX25CTLCON(0xffffffffffffffff, 0x89e8, &(0x7f0000000600)={@null, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @bcast, 0x5, 0x2, 0x81, [@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @null, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}]}) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r4, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f0000000680)=ANY=[@ANYRESHEX=r1, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x6c, &(0x7f000059aff8)={r5}, &(0x7f000034f000)=0x2059b000) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r1, 0x84, 0x18, &(0x7f0000000040)={r5, 0x1}, 0x8) getsockopt$nfc_llcp(r1, 0x118, 0x0, &(0x7f0000000500)=""/209, 0xd1) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r6 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r7 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r7, 0xc0045002, &(0x7f0000000080)) dup(r7) sendfile(r7, r6, 0x0, 0x1c01) ioctl$KDFONTOP_GET(r6, 0x4b72, &(0x7f00000004c0)={0x1, 0x0, 0x3, 0x3, 0x59966025, &(0x7f00000000c0)}) 11:01:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1544.282374] block nbd4: Device being setup by another task 11:01:10 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1bfd) ioctl$USBDEVFS_GET_SPEED(r1, 0x551f) 11:01:10 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000007c0)=[{&(0x7f0000000100)=""/64, 0x40}, {&(0x7f0000000200)=""/187, 0xbb}, {&(0x7f0000000340)=""/215, 0xd7}, {&(0x7f0000000440)=""/84, 0x54}, {&(0x7f0000000180)=""/21, 0x15}, {&(0x7f00000004c0)=""/188, 0xbc}, {&(0x7f0000000580)=""/171, 0xab}, {&(0x7f0000000640)=""/164, 0xa4}, {&(0x7f00000002c0)}, {&(0x7f0000000700)=""/179, 0xb3}], 0xa}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) shutdown(r2, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1544.580317] block nbd4: Device being setup by another task [ 1544.594821] block nbd4: Device being setup by another task [ 1544.603653] block nbd4: Device being setup by another task [ 1544.615595] block nbd4: Device being setup by another task 11:01:10 executing program 3 (fault-call:12 fault-nth:8): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:10 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) r3 = openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r3, &(0x7f0000000200)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000240)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r3, &(0x7f0000000100)={0x3, 0x40, 0xfa00, {{}, {0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc]}}, r4}}, 0x48) write$RDMA_USER_CM_CMD_ACCEPT(r1, &(0x7f00000000c0)={0x8, 0x120, 0xfa00, {0x1, {0x5, 0x2609, "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", 0x6d, 0xff, 0x9, 0x8, 0x4, 0x34, 0x5}, r4}}, 0x128) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 11:01:10 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) socket$inet6_icmp(0xa, 0x2, 0x3a) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], 0x12) write$USERIO_CMD_SEND_INTERRUPT(r2, &(0x7f0000000040)={0x2, 0x9}, 0x2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) bind$vsock_dgram(r4, &(0x7f0000000100)={0x28, 0x0, 0xffffffff, @hyper}, 0x10) r5 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r7) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x437) sendfile(r6, 0xffffffffffffffff, &(0x7f00000000c0)=0xec9, 0x0) 11:01:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r3, 0x84, 0x13, &(0x7f0000000000)={0x0, 0x10001}, &(0x7f0000000040)=0x8) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) setxattr$security_evm(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000140)='security.evm\x00', &(0x7f0000000240)=ANY=[@ANYBLOB="040dd5a7131c54aa26072dfcc83b334a"], 0xb, 0x2) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) r6 = accept4$bt_l2cap(0xffffffffffffffff, &(0x7f00000001c0), &(0x7f0000000200)=0xe, 0x80000) ioctl$sock_inet_SIOCSIFNETMASK(r6, 0x891c, &(0x7f0000000280)={'bond_slave_1\x00', {0x2, 0x4e26, @dev={0xac, 0x14, 0x14, 0x3b}}}) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x437) r7 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000100)='/dev/btrfs-control\x00', 0x400400, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r7, 0xab07, 0x4) close(r1) 11:01:10 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0xe4171ad72e1b52e8, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r3 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) dup(r4) sendfile(r4, r3, 0x0, 0x1c01) r5 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r6 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r6, 0xc0045002, &(0x7f0000000080)) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000100)={r5, 0xc0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={0x3, 0x4}, 0x0, 0x0, &(0x7f00000005c0)={0x0, 0xf, 0xe, 0x5279}, &(0x7f0000000600)=0xfffffffffffffff7, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)=0x80000000}}, 0x10) r8 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x1, 0x5, &(0x7f0000000c00)=ANY=[@ANYBLOB="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"/1155], &(0x7f0000000140)='GPL\x00'}, 0x48) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000180)={r8, 0xc0, &(0x7f0000000b00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, 0x10) bpf$PROG_LOAD(0x5, &(0x7f0000000780)={0x7, 0x0, 0x0, &(0x7f00000000c0)='GPL\x00', 0x52, 0xea, &(0x7f0000000440)=""/234, 0x0, 0xf, [], 0x0, 0x19, 0xffffffffffffffff, 0x8, &(0x7f0000000240)={0xa, 0x1}, 0x8, 0x10, &(0x7f00000002c0)={0x0, 0xb, 0x1}, 0x10, r7, r8}, 0x78) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=r7, 0x4) 11:01:10 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xc, &(0x7f00000001c0)={0x7, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x3) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1544.803382] block nbd4: Device being setup by another task [ 1544.832818] block nbd4: Device being setup by another task 11:01:10 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) ioctl$EVIOCSABS20(r1, 0x401845e0, &(0x7f0000000000)={0x5, 0x3f, 0xfff, 0x1, 0x6, 0x7}) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x400000, 0x0) ioctl$KVM_CHECK_EXTENSION_VM(r3, 0xae03, 0x4) [ 1544.854889] block nbd0: Device being setup by another task [ 1544.864552] block nbd4: Device being setup by another task [ 1544.913804] block nbd4: Device being setup by another task [ 1544.922247] block nbd0: Device being setup by another task [ 1544.962152] block nbd4: Device being setup by another task [ 1544.971019] FAULT_INJECTION: forcing a failure. [ 1544.971019] name failslab, interval 1, probability 0, space 0, times 0 [ 1544.982272] CPU: 1 PID: 18613 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1544.990162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1544.990459] block nbd4: Device being setup by another task [ 1544.999520] Call Trace: [ 1544.999541] dump_stack+0x13e/0x194 [ 1544.999559] should_fail.cold+0x10a/0x14b [ 1544.999576] should_failslab+0xd6/0x130 [ 1544.999594] kmem_cache_alloc_trace+0x2db/0x7b0 [ 1545.024361] ? lock_downgrade+0x6e0/0x6e0 [ 1545.028640] alloc_fdtable+0x78/0x270 [ 1545.032730] dup_fd+0x683/0xa40 [ 1545.036036] copy_process.part.0+0x1b5a/0x6a50 [ 1545.040636] ? get_pid_task+0xb8/0x130 [ 1545.044536] ? proc_fail_nth_write+0x7b/0x180 [ 1545.049037] ? save_trace+0x290/0x290 [ 1545.052843] ? __lock_is_held+0xad/0x140 [ 1545.056922] ? __cleanup_sighand+0x40/0x40 [ 1545.061168] ? lock_downgrade+0x6e0/0x6e0 [ 1545.065339] _do_fork+0x180/0xc80 [ 1545.068815] ? fork_idle+0x270/0x270 [ 1545.072539] ? fput+0xb/0x140 [ 1545.075685] ? SyS_write+0x14d/0x210 [ 1545.079411] ? SyS_read+0x210/0x210 [ 1545.083041] ? SyS_clock_settime+0x1a0/0x1a0 [ 1545.087468] ? do_syscall_64+0x4c/0x640 [ 1545.091453] ? sys_vfork+0x20/0x20 [ 1545.095009] do_syscall_64+0x1d5/0x640 [ 1545.098918] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1545.104114] RIP: 0033:0x45c829 11:01:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x30841) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$PPPIOCSMRU(r3, 0x40047452, &(0x7f0000000000)=0x800) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1545.107304] RSP: 002b:00007f0c68825c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1545.115023] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1545.122303] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1545.129581] RBP: 000000000078bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 1545.136859] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1545.144141] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c688266d4 11:01:11 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x1000, 0xb, 0x0, "17cf77a37706d4fa33fe2bf0090000009f6aa90702ed0a5bb6ea22064cb06797", 0x34363248}) 11:01:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = dup(r2) write$FUSE_INTERRUPT(r3, &(0x7f0000000000)={0x10, 0xffffffffffffffda, 0x4}, 0x10) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) r5 = dup(r4) r6 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r7 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x8) ioctl$SNDCTL_DSP_SPEED(r7, 0xc0045002, &(0x7f0000000080)) dup(r7) sendfile(r7, r6, 0x0, 0x1c01) write$FUSE_NOTIFY_INVAL_ENTRY(r6, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r5, 0xc0a85352, &(0x7f00000000c0)={{0x9b}, 'port1\x00', 0x66, 0x60804, 0x9, 0xdfd, 0x0, 0xdeab, 0x1f8000, 0x0, 0x4, 0x1}) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 1545.295359] block nbd4: Device being setup by another task 11:01:11 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1545.336031] block nbd2: Device being setup by another task [ 1545.346801] block nbd4: Device being setup by another task 11:01:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) flistxattr(r3, &(0x7f00000000c0)=""/229, 0xe5) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1545.484983] block nbd4: Device being setup by another task [ 1545.516031] block nbd4: Device being setup by another task [ 1545.558092] block nbd4: Device being setup by another task 11:01:11 executing program 3 (fault-call:12 fault-nth:9): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) prctl$PR_SET_CHILD_SUBREAPER(0x24, 0x0) 11:01:11 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$devlink(&(0x7f0000000140)='devlink\x00') write$FUSE_NOTIFY_INVAL_ENTRY(0xffffffffffffffff, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) r7 = open(&(0x7f0000000480)='./file0\x00', 0x200000, 0x0) r8 = geteuid() mount$9p_fd(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f0000000400)='9p\x00', 0x2000000, &(0x7f00000004c0)={'trans=fd,', {'rfdno'}, 0x2c, {'wfdno', 0x3d, r7}, 0x2c, {[{@aname={'aname', 0x3d, '/dev/nbd#\x00'}}, {@version_9p2000='version=9p2000'}, {@cache_mmap='cache=mmap'}, {@debug={'debug', 0x3d, 0x80}}], [{@fowner_gt={'fowner>', r8}}, {@obj_role={'obj_role', 0x3d, 'keyringmime_type-],[-eth1selfposix_acl_access@'}}, {@smackfshat={'smackfshat', 0x3d, 'devlink\x00'}}]}}) sendmsg$DEVLINK_CMD_GET(r5, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000005c0)=ANY=[@ANYBLOB="6c487be31d7d67a048c1b1ad5f05fe207e1cf44c7007ec72b16c56bc0a54a0b4699f4231b5b87b91cdd00aeb3d", @ANYRES16=r6, @ANYBLOB="dd07000000000000000017000000"], 0x14}}, 0x0) sendmsg$DEVLINK_CMD_RELOAD(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000001c0)={&(0x7f00000002c0)={0xd4, r6, 0x1, 0x70bd26, 0x25dfdbfb, {}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_ID={0x8, 0x8c, 0x4}}, {@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_ID={0x8, 0x8c, 0x2}}, {@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_ID={0x8, 0x8c, 0x1}}, {@pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, @DEVLINK_ATTR_NETNS_ID={0x8, 0x8c, 0x4}}, {@pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, @DEVLINK_ATTR_NETNS_ID={0x8, 0x8c, 0x4}}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40}, 0x0) lseek(r3, 0x1, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r4, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r6, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [{{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000}, 0x4000000) 11:01:11 executing program 5: r0 = perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r1 = getpid() sched_setattr(r1, &(0x7f0000000040)={0x38, 0x2, 0x0, 0x0, 0x9, 0x0, 0x4}, 0x0) r2 = socket$inet6(0xa, 0x3, 0x7) r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') r4 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r2, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r6, 0x407, 0x0) write(r6, &(0x7f0000000340), 0x41395527) vmsplice(r5, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) r7 = perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() sendmsg$netlink(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000100)=@proc={0x10, 0x0, 0x25dfdbfb, 0x4000000}, 0xc, &(0x7f0000000700)=[{&(0x7f0000000340)={0x398, 0x1a, 0x200, 0x70bd28, 0x25dfdbff, "", [@typed={0x8, 0x40, 0x0, 0x0, @uid}, @typed={0x14, 0x76, 0x0, 0x0, @ipv6=@private0}, @generic="d90c195a92cfba4fb9287107c228e02b50e7bbeb08111c3a9da44387aa18ebacea1c00c84687cb4fd7f82376d0c56e877c8aa9bceda310657bc5e26999089bc90d015a8e531e4d69533e1d3ddac2596b8a6d5c81932dad2154cdfacd3f4fad82fb8a3ecf51", @nested={0x2c0, 0x7a, 0x0, 0x1, [@typed={0x3b, 0x23, 0x0, 0x0, @binary="b6329c73ae866ca5a6515b80007e8916a7a07ec122bf2e8d1de0392e13ed08e9c2cb7e2eaf1555d2b49342a767637230cf7a51a5fe48ef"}, @generic="de93744a85f5b072e1779f2be992244f988735fb9359138a0c2656d1d5faa0e9464c0c9277b988ab743860722180de437452d9f16e19f6fb9786c68afe6631e265dd39b806d968bfdf841f03480236dc84e6be25d1b3c8d1e8abfe2afdf59818fbb81aaae060989ca0edeb5ff3bc06d9f7572bacf340339710a624086d7910c91128dee3eb0e549053a136e03dc166511f2a88a57c9d0139f2c8850f53a4e9fec5ccbed5831326257e97576305dbd5d94f531445eb4437f3932ab01049ac82b4f73e9799ea7d82", @typed={0xc, 0x15, 0x0, 0x0, @u64=0xffff}, @generic="e07ee8ba6a638ce659d5a83c60b894d3191b00be1bcf0abdb4113e335c90af867be2bcd9f0a90482d26fc5e49decf935b9eed4b76f6c31cf4eed41a6cf66055f9c474637118c8c4ad5ff34dd2687a1f42b7525827a41992b49f65148f16cbeb6ec88bdded6462f106c8faa2939176d69a97fbd533535a9e386e6e48b6ba85113ed577217", @typed={0x8, 0x2b, 0x0, 0x0, @uid}, @typed={0x8, 0x6e, 0x0, 0x0, @fd=r6}, @typed={0x21, 0x63, 0x0, 0x0, @binary="04aad735f589a1a76da98034a936bcb9e674831ac8d4fa6ac57f008dd1"}, @typed={0xc, 0x93, 0x0, 0x0, @u64=0x5}, @generic="542a9b3a3e692d59bd9d213c3467de159cdfdb93adfdb72a0c02329db80c52b344fae9c19167b148b48693acfda2061c13f3f09bcc8b3514325a8a3731c4fbac292442e15cb46165f95d3050ffefe633d5800065912d2158dafe0e3c71fc94f706dd36579e3a08425c2af2db7e660ab0b681baf0c25f7668a7020e8446f8e37c2ac7afd948eb2c367c529a7ef7cbd5c880ef866bf5cc68fbb41f93307eba0510216a038974c9b50ef1de5c1b997ed9af10f3ff3c9525948000f07161b4fbcfbc6ccf08c7d4f59c8c6f3701b3871f762c962fe10adc", @typed={0x14, 0x55, 0x0, 0x0, @ipv6=@ipv4={[], [], @multicast2}}]}, @generic="81278ea1a049bd45cc7cb2f6f08fbd8e5c858e652a17bff23457c9d88b04085bb0dd0f7738e055c5900f22228fc714a3d5603577c93bcf200885716b1eb8152547733b7e4a55d1"]}, 0x398}, {&(0x7f0000001c80)={0x1820, 0x1c, 0x8, 0x70bd2c, 0x25dfdbfb, "", [@generic, @nested={0x410, 0x2a, 0x0, 0x1, [@generic="c69373299c4b1a152316fa4c343c53739c7bb238ad2ad8131d2086d5b47116d0fe45915bccfb5b052ea6c8b9f9c457758c5d56d44568cb885695aa890823ca86836d23e27e34218cea9cf8c2a39c0267c0624d2369099c12d1b6257c0f6bc2521ed8371b3e75ba9336cd045da6c62bf2db59fa9a537f5ec9bc1d61543e09f44ce3365b115e", @typed={0x8, 0x12, 0x0, 0x0, @u32=0x7}, @generic="d0b8ae5e680d0fbdfd40386f456887aa69f4395dbada7e345ba2eff55ed871fce685d7fff0bd699a03f86caccbbe7a0a55bf1971a878a13c2ea728d79f89a9613b1079b51b50934f8cb0114a24f6e9f53312aa018bf217e45c316b8ae3c4c7a687850339b441e348bbcb5ae5b2ecf3dd13e8f50e6305f5afd395a6c655586dc86811e40ec5a304bc510146e5abccde2f3113777080fc4be4319f1c92febf56b158ca0b9b5678b8da85bb87254557b1bb2b15aaee9951ebdf5e6b311eef31b583f0792e1941d70ba91d8c40fee770a6c28738df6cd1cb39bbc5da45a0846e9e106095b337eeb1572958ab94194b4a", @generic="0ce8c034d55c479856ef42dd0fbc6e76e7673c7eb8a5640032e42c24e88ca6fec3b7ebf48ea28fbdedb299244137441639fd0032b0760aa392a3a27d", @typed={0x14, 0x8a, 0x0, 0x0, @ipv6=@private2={0xfc, 0x2, 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@generic="4fc5b6939fb1b1b8a04bbd0a50ee696cc4506a07b1f85bbea5d8c323e11a1d857459d227f7b1bccefb280b634439f2f2f8557933eab7de7f5f12d4e557a0a4da08a06a4cfd7b3d805f477d783ffc25316e362792fd0e392615c445a87a91c84f8a7167680691fdeed7fc580762e4d3155576fad79c7c6ac30ccccaab334aded35c226a1ef82709f4660ba23a17b1e63f373707a6a708f561385295de5b01d8146f756fd4121e12a2f4d88807", @typed={0x8, 0x1d, 0x0, 0x0, @pid=r1}, @generic="fb3d7c0829b2bea16d7cb51b0a33b13515f17842df64bb5c9ec239018d15e9c59da49fa5195e9f56b4a1f6d4a8f3d70761db01fa8140f14b552ccfc1a06362ef4acc427e08a3c510306b2d46182add9481a9257254691ea9cf64bdecdfcdc26524e2e440ea9efa217d9a3d124b093146474c56736409dacfbc72a3d4ed573d255018f72557b125a5081e8e7f0b448b8478bb26eb2b37477a9cf6d8185b8f80273657c956e0fccb876f3329ff85a04908ef5b0a4f434ab418561c054843c3d006ea9116f847b93d62780f720aed6b09ef60e8d0aca06c6ea64a88f353f6ee35b283c7c01858", @generic="3ae3d7a62b5113661895753d396f487fe7a1585f8271faa6b52e10b8527073064f61917e90e92f227dc5f88fdf7d54d92d5970418375b8a4ca279a4b6f64f124af8e5762b6b546e81f2104e0f610b5b4e9a36a169fcfec80569bfb17f8a73da7592473d8683fc37995b2889fc05a648d57677335d33b50e3119fd08194cec5929777cb5675b1eee17cfb4110cef2ebc18411b4cee9f69d413226e602842619defac1889f4177328e5287d55e53d889a1c882a3c7e0b894513b0c5bd89ce4d89237a646c782c854d1923e09c1b19ea2a3", @generic="441c0b15a3da1652bc0c1246dc23b9603e3a36bb", @generic="7bcdd7c61950365d6713afc873a959ace54cea21cbb523c3c7f078285d6c", @generic="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@generic="121fcc5902b0e430adae4aa7382cb35b72150feeb1cd7acb4ec8c384fde715a76aeed02bd83566ea90244a0292013d23c10f1c3562df9a2003a6d600d4f4c56cd49758dd228d682db7cee25262ee02ed1bc425d0dad965b4c96e180b91edd2563f6a6cff581bafd049074ccf13ffc869509652f24d2d6f7362b82db3fa825754db4c3f9adfb425ecb7c14eb48065609cab7d96633476b3611bca4290738178830192b268a0ca5dcb9f2dfb1efb29b6", @typed={0x8, 0x41, 0x0, 0x0, @fd}, @generic="c83d0f58544431ff2d75e1b1f1161d9ddd14c8732809e9eb7f45", @typed={0xc, 0x82, 0x0, 0x0, @u64=0xfffffffffffffff8}, @typed={0x8, 0x47, 0x0, 0x0, @str='net\x00'}, @generic="145eaf35da7f4d92fa9761259f939d6405aab3c7668c28f4f80201ee7b542fe5c439a3dd918613d5f806e8c60c0148d635754e464406f2dc0831db5126804151ed96d1cd3a440c105fcf50eeed1068ccb0716ccb6bbe3f20fe37eb045b2d604ccc17a20f5bd1e7ecab64532019f23f29e92acec2bb0aa6b79f7432df504682aae8141945ed9ed7d04e2b82"]}, 0x18d4}], 0x5, &(0x7f0000000900)=[@cred={{0x1c}}, @rights={{0x18, 0x1, 0x1, [r5, r3]}}, @cred={{0x1c}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff]}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r4, 0xffffffffffffffff]}}, @rights={{0x20, 0x1, 0x1, [r0, 0xffffffffffffffff, 0xffffffffffffffff, r7]}}, @cred={{0x1c, 0x1, 0x2, {r1}}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, r4, r5, r5, 0xffffffffffffffff, r5, r2]}}], 0x110, 0x4000000}, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(0xffffffffffffffff, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x70840) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x82002, 0x0) r3 = add_key$user(&(0x7f00000001c0)='user\x00', &(0x7f0000000200)={'syz', 0x3}, &(0x7f0000000240)='t', 0x1, 0xffffffffffffffff) keyctl$KEYCTL_PKEY_SIGN(0x1b, &(0x7f0000000180)={r3, 0xbe, 0x1000}, &(0x7f0000001540)=ANY=[@ANYBLOB="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"], &(0x7f0000000380)="afa956f99fd5ca40a2a1515e0d4bba7d88a39d6919ef447e8984c7e0cd4407af0aed3a82dc305722365fc3188e138c41acd2c584ddd617254db80f19a6dae9d7585a00bb7a94c78069051dbbbb88ebde2a6e5b6b75df1a0ce8c65323f27c5b4c2f9a3177e57ddb7135da90f1784d0bf29366e0f2c970aea6115c47b75127e0ef73d614fc9e4a1c750cfaddf118b1f06ddfdf96531ed1ae7a89b3976c09fc52aff0f7effdf05e750548608ee8181e8a64ec66cec78f7b3fc33b37ef434288", &(0x7f0000000540)=""/4096) r4 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f00000000c0)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$invalidate(0x15, r4) keyctl$negate(0xd, r3, 0x7fff, r4) ioctl$LOOP_SET_CAPACITY(r2, 0x4c07) close(r0) [ 1545.726054] QAT: Invalid ioctl [ 1545.743730] QAT: Invalid ioctl 11:01:11 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) ioctl$VIDIOC_SUBDEV_QUERY_DV_TIMINGS(r1, 0x80845663, &(0x7f0000000000)) r3 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r4, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = dup(r2) write$FUSE_NOTIFY_INVAL_ENTRY(r3, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) ioctl$VIDIOC_DQBUF(r3, 0xc0585611, &(0x7f0000000100)={0x4, 0x4, 0x4, 0x40000, 0xfe, {r4, r5/1000+60000}, {0x5, 0xc, 0x8, 0x9, 0x1, 0x9, "0302671f"}, 0x10001, 0x3, @planes=&(0x7f00000000c0)={0x7, 0x9, @mem_offset=0x1, 0x7fff}, 0x7, 0x0, 0xffffffffffffffff}) ioctl$BLKSECDISCARD(r6, 0x127d, &(0x7f0000000180)=0x120000000000000) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r7) ioctl$SIOCGSTAMP(r7, 0x8906, &(0x7f0000000000)) [ 1545.950126] FAULT_INJECTION: forcing a failure. [ 1545.950126] name failslab, interval 1, probability 0, space 0, times 0 [ 1545.961535] CPU: 1 PID: 18709 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1545.969438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1545.978790] Call Trace: [ 1545.982341] dump_stack+0x13e/0x194 [ 1545.985985] should_fail.cold+0x10a/0x14b [ 1545.990128] should_failslab+0xd6/0x130 [ 1545.994096] kmem_cache_alloc_node_trace+0x292/0x7b0 [ 1545.999199] ? kasan_kmalloc+0xbf/0xe0 [ 1546.003082] __kmalloc_node+0x38/0x70 [ 1546.006880] kvmalloc_node+0x46/0xd0 [ 1546.010587] alloc_fdtable+0x133/0x270 [ 1546.014466] dup_fd+0x683/0xa40 [ 1546.017765] copy_process.part.0+0x1b5a/0x6a50 [ 1546.022346] ? get_pid_task+0xb8/0x130 [ 1546.026233] ? proc_fail_nth_write+0x7b/0x180 [ 1546.030781] ? save_trace+0x290/0x290 [ 1546.034581] ? __lock_is_held+0xad/0x140 [ 1546.038654] ? __cleanup_sighand+0x40/0x40 [ 1546.043069] ? lock_downgrade+0x6e0/0x6e0 [ 1546.047229] _do_fork+0x180/0xc80 [ 1546.050685] ? fork_idle+0x270/0x270 [ 1546.054391] ? fput+0xb/0x140 [ 1546.057488] ? SyS_write+0x14d/0x210 [ 1546.061192] ? SyS_read+0x210/0x210 [ 1546.064810] ? SyS_clock_settime+0x1a0/0x1a0 [ 1546.069230] ? do_syscall_64+0x4c/0x640 [ 1546.073315] ? sys_vfork+0x20/0x20 [ 1546.076852] do_syscall_64+0x1d5/0x640 [ 1546.080742] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1546.085922] RIP: 0033:0x45c829 [ 1546.089099] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1546.096814] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1546.104076] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1546.111339] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1546.118600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1546.125880] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:12 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) sendmsg$IPSET_CMD_PROTOCOL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x1, 0x6, 0x200, 0x0, 0x0, {0xc, 0x0, 0x1}, [@IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_PROTOCOL={0x5}]}, 0x34}, 0x1, 0x0, 0x0, 0x400c881}, 0xc85c) r3 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r4, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r5 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000100)='/dev/nvme-fabrics\x00', 0x40000, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r5, 0x84, 0x65, &(0x7f00000001c0)=[@in6={0xa, 0x4e21, 0x1, @rand_addr=' \x01\x00', 0x100}, @in={0x2, 0x4e20, @loopback}, @in6={0xa, 0x4e22, 0x774, @initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x8000}], 0x48) [ 1546.175787] block nbd2: Device being setup by another task 11:01:12 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x5, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x1) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2a200, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0x2, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1546.218804] block nbd2: Device being setup by another task 11:01:12 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x1000000000006) socket$nl_route(0x10, 0x3, 0x0) 11:01:12 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0xb) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1546.360652] block nbd2: Device being setup by another task [ 1546.368027] block nbd2: Device being setup by another task [ 1546.404636] print_req_error: 767 callbacks suppressed [ 1546.404642] print_req_error: I/O error, dev nbd2, sector 0 [ 1546.415705] buffer_io_error: 766 callbacks suppressed [ 1546.415712] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1546.433933] print_req_error: I/O error, dev nbd2, sector 2 [ 1546.439802] Buffer I/O error on dev nbd2, logical block 1, async page read [ 1546.443525] block nbd2: Device being setup by another task [ 1546.446972] print_req_error: I/O error, dev nbd2, sector 4 [ 1546.458290] Buffer I/O error on dev nbd2, logical block 2, async page read [ 1546.469353] print_req_error: I/O error, dev nbd2, sector 6 [ 1546.475255] Buffer I/O error on dev nbd2, logical block 3, async page read [ 1546.485874] print_req_error: I/O error, dev nbd2, sector 0 [ 1546.491959] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1546.500570] print_req_error: I/O error, dev nbd2, sector 2 [ 1546.506211] Buffer I/O error on dev nbd2, logical block 1, async page read [ 1546.514519] print_req_error: I/O error, dev nbd2, sector 4 [ 1546.520239] Buffer I/O error on dev nbd2, logical block 2, async page read [ 1546.527510] print_req_error: I/O error, dev nbd2, sector 6 [ 1546.533396] Buffer I/O error on dev nbd2, logical block 3, async page read [ 1546.544739] print_req_error: I/O error, dev nbd2, sector 0 [ 1546.550602] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1546.557711] print_req_error: I/O error, dev nbd2, sector 2 [ 1546.564028] Buffer I/O error on dev nbd2, logical block 1, async page read 11:01:12 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$vcsn(&(0x7f00000085c0)='/dev/vcs#\x00', 0x1, 0x200) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r1, 0x800443d2, &(0x7f0000008640)={0x3, &(0x7f0000008600)=[{@none}, {}, {@none}]}) 11:01:12 executing program 3 (fault-call:12 fault-nth:10): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x1, 0x84) r4 = dup3(r2, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r4, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x6c, &(0x7f000059aff8)={r5}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000000)={r5}, &(0x7f0000000040)=0x8) 11:01:12 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x8000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 1546.859073] block nbd4: Device being setup by another task 11:01:12 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() sched_setattr(0x0, &(0x7f0000000040)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) r0 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r0, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f0000000280)=[{&(0x7f0000000200)=""/104, 0x68}, {&(0x7f0000000340)=""/159, 0x9f}, {&(0x7f0000000400)=""/222, 0xde}, {&(0x7f00000006c0)=""/178, 0xb2}, {&(0x7f0000000100)=""/59, 0x3b}, {&(0x7f00000005c0)=""/221, 0xdd}], 0x6}, 0x4}], 0x1, 0x1, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r2, 0x407, 0x0) syz_mount_image$vfat(&(0x7f0000000500)='vfat\x00', &(0x7f0000000540)='./file0/file0\x00', 0x5, 0x1, &(0x7f0000000580)=[{&(0x7f0000000780)="3db8f13d76c157a5088210af9d79409b5647ad42fb7cbd7f0f3b1ab73ad3713f50c164c3625857cc63f71ba0a08d24a8a6157626329f983b1c40ae426342a3e16c532b4a8a78378d04c777b73b55235024f33f28e6e8e3a0e7122c05cb1690e52673d1da0f789b9ace45fbddec9da31731f6d9bd9ae4dc5f6d2b150e3f12030f6f97bdf2116020cd48cb5b", 0x8b, 0x8}], 0x400, &(0x7f0000000a40)={[], [{@obj_user={'obj_user', 0x3d, '#}'}}, {@obj_user={'obj_user', 0x3d, '/)#\xf9$'}}, {@mask={'mask', 0x3d, 'MAY_WRITE'}}, {@uid_gt={'uid>'}}, {@uid_gt={'uid>'}}, {@uid_eq={'uid'}}]}) write(r2, &(0x7f0000000180)="2f2bf854960c3dfffd61d29e44a3d2", 0xf) vmsplice(r1, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x18e80, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r3, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:12 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x101000, 0x0) ioctl$ASHMEM_GET_PROT_MASK(r1, 0x7706, &(0x7f0000000040)) [ 1546.977604] FAULT_INJECTION: forcing a failure. [ 1546.977604] name failslab, interval 1, probability 0, space 0, times 0 [ 1546.988952] CPU: 0 PID: 18771 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1546.997193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1547.006555] Call Trace: [ 1547.009159] dump_stack+0x13e/0x194 [ 1547.012805] should_fail.cold+0x10a/0x14b [ 1547.016962] should_failslab+0xd6/0x130 [ 1547.020968] kmem_cache_alloc_node_trace+0x292/0x7b0 [ 1547.027282] ? kasan_kmalloc+0xbf/0xe0 [ 1547.031177] __kmalloc_node+0x38/0x70 [ 1547.034976] kvmalloc_node+0x46/0xd0 [ 1547.038824] alloc_fdtable+0x133/0x270 [ 1547.042714] dup_fd+0x683/0xa40 [ 1547.045998] copy_process.part.0+0x1b5a/0x6a50 [ 1547.050588] ? mark_held_locks+0xa6/0xf0 [ 1547.054668] ? retint_kernel+0x2d/0x2d [ 1547.058678] ? trace_hardirqs_on_caller+0x3f6/0x590 [ 1547.063705] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1547.068467] ? save_trace+0x290/0x290 [ 1547.072280] ? __cleanup_sighand+0x40/0x40 [ 1547.076524] ? lock_downgrade+0x6e0/0x6e0 [ 1547.080693] _do_fork+0x180/0xc80 [ 1547.084159] ? fork_idle+0x270/0x270 [ 1547.087891] ? fput+0xb/0x140 [ 1547.091001] ? SyS_write+0x14d/0x210 [ 1547.094730] ? SyS_read+0x210/0x210 [ 1547.098458] ? SyS_clock_settime+0x1a0/0x1a0 [ 1547.102866] ? do_syscall_64+0x4c/0x640 [ 1547.106850] ? sys_vfork+0x20/0x20 [ 1547.110398] do_syscall_64+0x1d5/0x640 [ 1547.114286] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1547.119467] RIP: 0033:0x45c829 [ 1547.122649] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1547.131315] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1547.138597] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1547.145875] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1547.153153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1547.160438] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:13 executing program 2: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000080)) r1 = dup(r0) write$FUSE_NOTIFY_INVAL_ENTRY(r1, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_CPUID(r2, 0x4008ae8a, &(0x7f00000000c0)={0x9, 0x0, [{0xc0000001, 0x9, 0x20, 0x5, 0xffffffff}, {0x4, 0x3ff, 0x5, 0x800, 0x3}, {0x2, 0x4, 0x9, 0x93, 0x7f}, {0xc0000016, 0x5, 0x2, 0x800, 0x80000001}, {0x80000008, 0xec95, 0x0, 0x7, 0x6}, {0x0, 0x3, 0xbd, 0xffff, 0x7}, {0xa, 0x73d, 0x0, 0x2, 0x5}, {0x7, 0x10000, 0x9, 0x7fffffff, 0x1ff}, {0x40000000, 0x5, 0x80000000, 0x3, 0x3}]}) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x155440) ioctl$NBD_SET_SIZE(r3, 0xab02, 0x0) 11:01:13 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x200000000000000, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1547.263574] FAT-fs (loop5): Unrecognized mount option "obj_user=#}" or missing value 11:01:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) syz_open_dev$media(&(0x7f0000000100)='/dev/media#\x00', 0x8000, 0x40000) close(r0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) r5 = dup(r4) write$FUSE_NOTIFY_INVAL_ENTRY(r5, &(0x7f00000007c0)=ANY=[@ANYBLOB="000000578ecf000000004000000000000000be3ced28c64ec8cf7ba1356838cedf362f1e242141010000000100bbaae8026bb9d505b762a35798ae1460e36fc6051fb51d63f93d1da8ce49c5a94610f07a6af7fa325c8d3b43edfd887968d095820a35d5995dbe4ce694b92803cbd18cd22bd494c69a0d4cd7f20b4f8eb69537319cfe54c0310d4f0b7007da6a2085cafc47e555d1f3292ce92886d27a6dfa5eabb6877b6d4720f7ecabfe2c06e2f179bed4c1f97bf46ef90573fe665bc9c2d9fe102ab177e17288fe044a88f8af74b9333ff1e579e00149a05fa6359f5cca225e2c164f7b53cf361490d948a917de4b9fb766e2a8f6d7ae24a200b8b3d1cc381ec09ae6698f6b15a54af1de0231f4261d8ff5a85256461d3c8270fb10b5178757c123c56e6cad14212be6dcb0c4f51fc5551292a72af843c7632e4afe762f11ac5af3e69300205951104f673f59d04734630d6f85eb4b2a453120a3bacdbf65b15edf007c7626bd64488be9a76b8bcb9eaf91be4e0e5db82844f7e760de05420c474695f88bda976f082e680072aa070b9d947ad58a5d05d65414666fff5ff71a8f028fc8a0033c0e03484ad6999765619ca028ecb3180e64026571a89a2ef81f09ecbc0c53310b06edacb40bfcea9d810a079740df729af3fda30754c8a7158f25ed4c85c5c7fbe96e986115cc1979de3c936edc277982cad421338154631a2f29c38d24403efa116702153f011bae08e54944d1c1409caf62f0cd2d08311306df4e6f2fe492d815a59adb0c05b7f0f4fec765b439e26426aa8ef48cc5ef30e389222b0675cf813179d451276930961d175ce3e1815daf24ef288c2b17f34516ec25a5ef1b76a24ecfd05ce58317627288af0ee5c9a4f4496b17ba99b30bda43863c68cf06b9086835b41c689db1cee96e2bc072edc166967aa0d85e03adde2b9865d1d69d006f63a1d6e171"], 0x12) write$P9_RWSTAT(r5, &(0x7f00000000c0)={0x7, 0x7f, 0x1}, 0x7) connect$ax25(r3, &(0x7f0000000000)={{0x3, @bcast, 0x7}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bcast, @bcast, @default, @null, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}]}, 0x48) ioctl$sock_inet_SIOCGARP(r3, 0x8954, &(0x7f00000001c0)={{0x2, 0x4e20, @private=0xa010102}, {0x6, @broadcast}, 0x0, {0x2, 0x4e20, @rand_addr=0x64010101}, 'ipvlan1\x00'}) 11:01:13 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/autofs\x00', 0x101, 0x0) setsockopt$netlink_NETLINK_TX_RING(r3, 0x10e, 0x7, &(0x7f0000000100)={0x5, 0x7, 0x10000, 0xffffffff}, 0x10) r4 = add_key$user(&(0x7f00000001c0)='user\x00', &(0x7f0000000200)={'syz', 0x3}, &(0x7f0000000240)='t', 0x1, 0xffffffffffffffff) keyctl$KEYCTL_PKEY_SIGN(0x1b, &(0x7f0000000180)={r4, 0xbe, 0x1000}, &(0x7f0000004640)=ANY=[@ANYBLOB="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"], &(0x7f00000002c0)="afa956f99fd5ca40a2a1515e0d4bba7d88a39d6919ef447e8984c7e0cd4407af0aed3a82dc305722365fc3188e138c41acd2c584ddd617254db80f19a6dae9d7585a00bb7a94c78069051dbbbb88ebde2a6e5b6b75df1a0ce8c65323f27c5b4c2f9a3177e57ddb7135da90f1784d0bf29366e0f2c970aea6115c47b75127e0ef73d614fc9e4a1c750cfaddf118b1f06ddfdf96531ed1ae7a89b3976c09fc52aff0f7effdf05e750548608ee8181e8a64ec66cec78f7b3fc33b37ef434288", &(0x7f0000001540)=""/4096) keyctl$setperm(0x5, r4, 0x8010800) r5 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r6) r8 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r9 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r8, 0xab00, r9) fstat(r9, &(0x7f0000000000)) keyctl$chown(0x4, r4, 0x0, r7) [ 1547.389306] block nbd4: Device being setup by another task [ 1547.437435] block nbd4: Device being setup by another task [ 1547.519354] block nbd4: Device being setup by another task 11:01:13 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = dup(r2) write$FUSE_NOTIFY_INVAL_ENTRY(r3, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$TIOCSSOFTCAR(r3, 0x541a, &(0x7f0000000580)=0x7) ioctl$sock_SIOCGIFVLAN_GET_VLAN_VID_CMD(r3, 0x8982, &(0x7f00000005c0)) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r4 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r4, &(0x7f00000018c0)=[{{&(0x7f0000000000)=@l2tp6={0xa, 0x0, 0x0, @private0}, 0x80, &(0x7f0000000380)=[{&(0x7f0000000080)=""/2, 0x2}, {&(0x7f00000000c0)=""/177, 0xb1}, {&(0x7f0000000280)=""/247, 0xf7}, {&(0x7f00000001c0)=""/82, 0x52}], 0x4, &(0x7f00000003c0)=""/77, 0x4d}}, {{&(0x7f0000000440)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast1}}}, 0x80, &(0x7f0000000640)=[{&(0x7f00000004c0)=""/159, 0x9f}, {&(0x7f0000001980)=""/162, 0xa2}], 0x2}, 0x7}, {{&(0x7f0000000680)=@caif, 0x80, &(0x7f0000001800)=[{&(0x7f0000000700)=""/4096, 0x1000}, {&(0x7f0000001700)=""/175, 0xaf}, {&(0x7f00000017c0)=""/51, 0x33}], 0x3, &(0x7f0000001840)=""/75, 0x4b}, 0x7fffffff}], 0x3, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:13 executing program 3 (fault-call:12 fault-nth:11): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:13 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x38, 0x1, 0x10000003, 0x800, 0x9}, 0x0) socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f0000000280)=[{0x0}, {&(0x7f0000000200)=""/126, 0x7e}, {0x0}, {&(0x7f0000000340)=""/157, 0x9d}, {&(0x7f0000000400)=""/147, 0x93}], 0x5}, 0x3}], 0x1, 0x21, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r1, 0x407, 0x200) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(0xffffffffffffffff, &(0x7f0000000180)=[{&(0x7f00000004c0)="494e20ab5286d0de3b747419f202a03fe9842021128f5e28dbd4117a19fc710fc75344ffef6598f206e3fcb38090b04c2e0e8a593a9ad340da10d70847125bcf83489f73a8b2d0226c6de6", 0x4b}, {&(0x7f0000000100)="d40700032a17da099b295877d23cdb634823495807d32f13225ea604228284000000003f521524ac3f", 0x29}, {&(0x7f0000000540)="dadb0568906529f1df42d4d69aee93a24d000000fd9d1674352354b1199fe5a5738306fa1a5b83a40912fbbef487cd7578708e08f37fcb5d8aed8374478187e1df7867bc", 0x44}], 0x3, 0x5) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x1, 0xfffffbff, 0x1003, 0x10}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_bp={&(0x7f00000005c0), 0x8}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r2, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:13 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) getsockopt$EBT_SO_GET_INFO(r1, 0x0, 0x80, &(0x7f0000000000)={'nat\x00'}, &(0x7f0000000080)=0x78) [ 1547.721770] block nbd4: Device being setup by another task [ 1547.803635] block nbd4: Device being setup by another task 11:01:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000000)={0x8000, 0x7f, 0x401, 0x1, 0x4}, 0x14) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1547.931207] block nbd4: Device being setup by another task [ 1547.965407] block nbd4: Device being setup by another task [ 1547.981172] FAULT_INJECTION: forcing a failure. [ 1547.981172] name failslab, interval 1, probability 0, space 0, times 0 [ 1547.992888] CPU: 1 PID: 18844 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1548.000883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1548.010252] Call Trace: [ 1548.012858] dump_stack+0x13e/0x194 [ 1548.016501] should_fail.cold+0x10a/0x14b [ 1548.020681] should_failslab+0xd6/0x130 [ 1548.024666] kmem_cache_alloc+0x2b5/0x770 [ 1548.028826] ? do_raw_spin_unlock+0x164/0x250 [ 1548.033332] ? _raw_spin_unlock+0x29/0x40 [ 1548.037501] copy_process.part.0+0x39cc/0x6a50 [ 1548.042280] ? get_pid_task+0xb8/0x130 [ 1548.046182] ? proc_fail_nth_write+0x7b/0x180 [ 1548.050692] ? save_trace+0x290/0x290 [ 1548.054497] ? __lock_is_held+0xad/0x140 [ 1548.058572] ? __cleanup_sighand+0x40/0x40 [ 1548.062822] ? lock_downgrade+0x6e0/0x6e0 [ 1548.066983] _do_fork+0x180/0xc80 [ 1548.070458] ? fork_idle+0x270/0x270 [ 1548.074188] ? fput+0xb/0x140 [ 1548.077312] ? SyS_write+0x14d/0x210 [ 1548.081031] ? SyS_read+0x210/0x210 [ 1548.084676] ? SyS_clock_settime+0x1a0/0x1a0 [ 1548.089098] ? do_syscall_64+0x4c/0x640 [ 1548.093081] ? sys_vfork+0x20/0x20 [ 1548.096642] do_syscall_64+0x1d5/0x640 [ 1548.104537] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1548.109731] RIP: 0033:0x45c829 [ 1548.112919] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1548.120812] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 11:01:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x20000) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x1, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000000040)=[@in6={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00', 0xfffffffe}], 0x1c) ioctl$VIDIOC_S_EXT_CTRLS(r5, 0xc0205648, &(0x7f0000000100)={0x9f0000, 0x3, 0xfffffffe, r0, 0x0, &(0x7f00000000c0)={0x980921, 0x5, [], @ptr}}) mkdirat(r6, &(0x7f0000000140)='./file0\x00', 0x28) sendto$inet(r5, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x437) ioctl$FS_IOC_RESVSP(0xffffffffffffffff, 0x40305828, &(0x7f0000000180)={0x0, 0x2, 0xbc, 0x6}) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x6c, &(0x7f000059aff8)={r7}, &(0x7f000034f000)=0x2059b000) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000000)=@assoc_value={r7, 0x3}, 0x8) 11:01:14 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) r4 = dup(r3) write$FUSE_NOTIFY_INVAL_ENTRY(r4, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) r5 = openat$cgroup_type(r4, &(0x7f0000000000)='cgroup.type\x00', 0x2, 0x0) ioctl$EXT4_IOC_GROUP_EXTEND(r5, 0x40086607, &(0x7f0000000040)=0x1) 11:01:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) close(r0) pipe2(&(0x7f0000000000), 0x0) [ 1548.128090] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1548.135368] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1548.142647] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1548.150023] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:14 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r4, 0x407, 0x0) write(r2, &(0x7f0000000340)="f4247e9b849bfcfd1e37165a8d91555a0d5420150d63dd55177bd21b5f35edb6e12dbfe61988b7a23cbbe6a701adbe35e8b3bdf028ba5ed1ae01c9aac85d3ded84ddb3830ea888cb53f295a21c30c67db1b8b278035047fdfda6f50d188f7b3bdfefca970eec5b0d2151458ecadbdcef80f583ee6054dd76e0432b5e42db48a9b47313efa514de0dfab310aeab409a2f3a8736d1523d3608615add1b4b5d6e4884393c9cb620a41c5b3134a6d50ff59a4b270c296690a9331401e132ad2eb5422a6bbe0e1e1b1ea8c2058528b3a01f1c2de5d9a4f1", 0xd5) vmsplice(r3, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x6, 0x18c, 0x0) ioctl$SNDCTL_DSP_SETFMT(r5, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1548.222223] block nbd4: Device being setup by another task [ 1548.243271] block nbd2: Device being setup by another task [ 1548.274030] block nbd4: Device being setup by another task 11:01:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x904c1) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ubi_ctrl\x00', 0x100580, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x2) close(r0) [ 1548.319786] block nbd2: Device being setup by another task 11:01:14 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0xa0000, 0x0) sendmsg$AUDIT_SIGNAL_INFO(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x10, 0x3f2, 0x20, 0x70bd28, 0x25dfdbfb, "", ["", "", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x4800}, 0x80) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r3, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) socket$netlink(0x10, 0x3, 0x2) 11:01:14 executing program 5: prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') r2 = openat(0xffffffffffffffff, 0x0, 0x0, 0x8) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/121, 0x79}, {0x0}], 0x3}}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000180)='/dev/nvram\x00', 0x220000, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r4, 0x407, 0x0) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000100)={0x28, 0x0, 0x0, @hyper}, 0x10, 0x80800) vmsplice(r3, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x1, 0x0, 0x3, 0x0, 0x2, 0x0, 0x0, 0xbdc2}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x30, 0x0, 0x0, 0x0, 0xffff, 0x0, 0x1, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48863, 0x0, 0x4, 0x1, 0x74b7cb00, 0xbdb0, 0xe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r2, 0xc0045005, &(0x7f0000000000)=0x39ec) 11:01:14 executing program 3 (fault-call:12 fault-nth:12): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) rt_sigprocmask(0x0, &(0x7f0000000000)={[0xdef]}, &(0x7f0000000040), 0x8) 11:01:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) timer_create(0x5, &(0x7f00000001c0)={0x0, 0x24, 0x4, @thr={&(0x7f00000000c0)="9ef8c3dbb436591abc23c848a1900c4e9204fe087296b18c4c6a345f66daa1606993937ee75a4d88f29fabcb288d3c6230f4bbaa77ab9ff3e555986407a94f2374fe14e8ec458ffe5b2723a1112f274d45efcd9e87004837e0ee6b4406001797523c4a4db0c805da58dd41dbbd7be7184ecc5ade2dfab2d9c4fbc010d7a272c22ab27ea85b3886b4dad8ef0e0f6633a636ce3541653d80d0366f7a2c696f217d85fb625ae95c3c84885b1467adab5a332e68e0156e7fd5459e2ba70247d7a155046a8bf9", &(0x7f0000000000)="5731c381cb48a69797bcbb97bfc65155858d3c0132602c687f5f132f4b517a72d94dd1b5bb444a5a00de76ab40629e4c631f6f1e70986a9f87a66f91f2735a4346252a38bc2f8196fb97cf29d2ed67c704d1d92143e17791ba"}}, &(0x7f0000000200)=0x0) timer_delete(r1) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 11:01:14 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x200000, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1548.734424] block nbd4: Device being setup by another task [ 1548.769655] block nbd4: Device being setup by another task 11:01:14 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/binder/transactions\x00', 0x0, 0x0) r2 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000200)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_ADD(r2, &(0x7f0000000380)={&(0x7f0000000080), 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x1c, r3, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8}]}, 0x1c}}, 0x0) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000280)='/dev/btrfs-control\x00', 0x800, 0x0) write$uinput_user_dev(r4, &(0x7f00000003c0)={'syz0\x00', {0x0, 0xa4, 0x3ff}, 0x13, [0x3910, 0x3279, 0x4b051c27, 0x9, 0x51, 0x6, 0xfffff1fd, 0x2, 0x8, 0x96, 0xd5, 0x3, 0xffff8001, 0x401, 0x1ff, 0x7fffffff, 0x100, 0x40, 0xe4c, 0x1, 0x5, 0x7ff, 0x8000, 0xff, 0x8, 0x400, 0x1, 0x1f, 0x1da, 0x1, 0x7, 0x200, 0x20, 0x2, 0x8, 0x9, 0x7fff, 0x5, 0x800, 0x5, 0x8000, 0x0, 0x2, 0x7f, 0x40, 0x7aa3, 0x1, 0x8, 0x6, 0x2, 0x1, 0x5, 0x9, 0x80000000, 0x3, 0x9, 0x8, 0x7ff, 0x5, 0x116d5138, 0x9, 0x4, 0x4, 0x5907], [0x40, 0x3, 0x3, 0x9, 0x4, 0x4, 0x100, 0x1fe0, 0x401, 0xffffffff, 0x4, 0x5, 0x7, 0x4d, 0x7fffffff, 0x1000, 0x4, 0x1, 0xa3b, 0x40, 0x1, 0x1000, 0x0, 0x7, 0x0, 0x363, 0x80000000, 0xffff5940, 0x2, 0xffffff4d, 0xfff, 0x8001, 0x3, 0x1, 0x20, 0x1, 0x8000, 0x4, 0xfffffffa, 0x4, 0x1, 0x0, 0x100, 0x9, 0x3a, 0x25, 0x52bc, 0xfdcd, 0xfffffff9, 0xd9d8, 0x9, 0x7fffffff, 0x3f, 0x0, 0x800, 0x83b3, 0x6, 0xffffffff, 0xcc, 0xfffffff7, 0x7, 0x3f, 0x1, 0x7], [0x2, 0x9, 0x2, 0x2, 0x0, 0x2bce, 0xfff, 0xffffffff, 0x5, 0x0, 0x7, 0x80000000, 0x0, 0x10001, 0x7, 0x5, 0x7ff, 0xfffff780, 0x26, 0xde, 0x8000, 0x2, 0x19, 0x3, 0x6, 0x400, 0x7, 0x3, 0xffffffc0, 0x728, 0x5, 0x20, 0x4, 0x101, 0xe8c0492, 0x1, 0x8, 0x0, 0x8, 0x81, 0x4, 0x5, 0x3, 0x0, 0x6, 0x8001, 0x0, 0x0, 0x9, 0x8, 0x80000000, 0x5, 0x0, 0x2, 0x58, 0x9, 0x2, 0x7ff, 0xbd61, 0x5, 0x6, 0xffffffff, 0x1400000, 0x81], [0x8, 0x1, 0x1, 0x5, 0x80000001, 0x0, 0xfffffffa, 0x1, 0x8000, 0xfe5f, 0x5, 0x2, 0xfffffd8a, 0xc4, 0x7, 0x80000001, 0x1000, 0x6, 0xfffffffa, 0x8, 0x1, 0x185, 0xfffffffa, 0x6, 0x9, 0x7, 0x80000000, 0x95, 0x3f, 0x89, 0x7, 0x6, 0x8000, 0x14000, 0x7ff, 0x10000, 0x6, 0x0, 0x7ff, 0xb9c3, 0x90000000, 0x9, 0xaf, 0x6, 0x0, 0x1, 0x6, 0x7fffffff, 0x1, 0x7, 0xfffffffe, 0xfffffff9, 0x3, 0x0, 0x2, 0x5, 0x9, 0xba, 0x0, 0x4, 0x33, 0x3, 0xe16, 0x6]}, 0x45c) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x74, r3, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_DOMAIN={0x1c, 0x1, 'selinuxposix_acl_access\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010102}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x74}, 0x1, 0x0, 0x0, 0x8800}, 0x800) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x80000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) modify_ldt$write(0x1, &(0x7f0000000000)={0x4000004, 0x1000, 0x21bf8cae0907bcf6, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1}, 0x10) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1548.928927] FAULT_INJECTION: forcing a failure. [ 1548.928927] name failslab, interval 1, probability 0, space 0, times 0 [ 1548.942042] CPU: 1 PID: 18914 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1548.949943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1548.959299] Call Trace: [ 1548.962014] dump_stack+0x13e/0x194 [ 1548.965654] should_fail.cold+0x10a/0x14b [ 1548.969822] should_failslab+0xd6/0x130 [ 1548.973805] kmem_cache_alloc+0x2b5/0x770 [ 1548.977966] ? lock_downgrade+0x6e0/0x6e0 [ 1548.982823] ? _raw_spin_unlock_irq+0x24/0x80 [ 1548.987336] copy_process.part.0+0x1cd5/0x6a50 [ 1548.991935] ? get_pid_task+0xb8/0x130 [ 1548.995921] ? proc_fail_nth_write+0x7b/0x180 [ 1549.000411] ? save_trace+0x290/0x290 [ 1549.004212] ? __lock_is_held+0xad/0x140 [ 1549.008319] ? __cleanup_sighand+0x40/0x40 [ 1549.012586] ? lock_downgrade+0x6e0/0x6e0 [ 1549.016768] _do_fork+0x180/0xc80 [ 1549.021277] ? fork_idle+0x270/0x270 [ 1549.024993] ? fput+0xb/0x140 [ 1549.028209] ? SyS_write+0x14d/0x210 [ 1549.031924] ? SyS_read+0x210/0x210 [ 1549.035547] ? SyS_clock_settime+0x1a0/0x1a0 [ 1549.039956] ? do_syscall_64+0x4c/0x640 [ 1549.043929] ? sys_vfork+0x20/0x20 [ 1549.047466] do_syscall_64+0x1d5/0x640 [ 1549.051361] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1549.056553] RIP: 0033:0x45c829 [ 1549.059736] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1549.067440] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1549.074723] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1549.082006] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1549.089288] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1549.096571] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:15 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x12400, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000002, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x8000}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:15 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) connect(r2, &(0x7f00000000c0)=@ipx={0x4, 0x8001, 0x8, "f962afc9f112"}, 0x80) 11:01:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r3, &(0x7f0000000000)=@isdn, &(0x7f00000000c0)=0x80) r5 = syz_genetlink_get_family_id$smc(&(0x7f0000003740)='SMC_PNETID\x00') sendmsg$SMC_PNETID_FLUSH(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="00022cbd7000fedbdf25040000000900010073797a32000000000900030073797a30000000000900010073797a32000000000900010073797a3200000000"], 0x44}, 0x1, 0x0, 0x0, 0x80}, 0x40090) sendmsg$SMC_PNETID_DEL(r4, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x40, r5, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@SMC_PNETID_ETHNAME={0x14, 0x2, 'gre0\x00'}, @SMC_PNETID_NAME={0x9, 0x1, 'syz0\x00'}, @SMC_PNETID_IBNAME={0x9, 0x3, 'syz0\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x8000}, 0x20000810) close(r0) [ 1549.223674] block nbd0: Device being setup by another task [ 1549.257081] block nbd0: Device being setup by another task 11:01:15 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[@ANYBLOB="d400000010003b0e00"/20, @ANYRES32=0x0, @ANYBLOB="030000000000000008000a00", @ANYRES32=0x6, @ANYBLOB="ac0012000800010067726500a000020008000700e00000010500170000030000060003003f"], 0xd4}}, 0x0) r2 = socket(0x10, 0x8000000000000003, 0x0) sendmmsg(r2, &(0x7f0000000000), 0x40000000000024a, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x8}) r4 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x4) dup2(r4, r3) r7 = dup(r1) write$FUSE_NOTIFY_INVAL_ENTRY(r7, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x20100) socket(0x2, 0x1, 0x0) [ 1549.407102] block nbd4: Device being setup by another task [ 1549.429268] block nbd4: Device being setup by another task [ 1549.507258] netlink: 132 bytes leftover after parsing attributes in process `syz-executor.0'. 11:01:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = dup(r2) write$FUSE_NOTIFY_INVAL_ENTRY(r3, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$KVM_SET_CLOCK(r3, 0x4030ae7b, &(0x7f0000000000)={0x7, 0x3ff}) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) r5 = dup(r4) write$FUSE_NOTIFY_INVAL_ENTRY(r5, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$PERF_EVENT_IOC_RESET(r5, 0x2403, 0x2) close(r0) 11:01:15 executing program 2: r0 = syz_open_dev$mouse(&(0x7f0000000180)='/dev/input/mouse#\x00', 0x262, 0x8041) ioctl$SOUND_MIXER_READ_CAPS(r0, 0x80044dfc, &(0x7f00000001c0)) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f00000000c0)={&(0x7f0000ffe000/0x1000)=nil, 0xffffffffffffffe, 0x3, 0x79, &(0x7f0000ffb000/0x3000)=nil, 0x3fc}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet(0x2, 0x4000000805, 0x0) r5 = socket$inet_sctp(0x2, 0x1, 0x84) r6 = dup3(r4, r5, 0x0) sendto$inet(0xffffffffffffffff, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f0000000280)=ANY=[@ANYBLOB="02000000e42d0f30a5fcd01b2d870396b03aaccdac991454976919f5006266b9c62fe915d3ca6ad580a780ccb0ad74a6d0c59ac56b38df6f9b9bd4cd2e535144568304048fcd7332390d87cc9e27bdcbeb3e8e3a8b49f95ef5380f0386682565ea8e8285c28722626cc52757ae4ffe10a92ed2ae8ee2b1f2d974bf396bc8bb5b40bc7615b57f50d2740768e6a2d7af8fe1f1216837e453baea270dfac86ed87162", @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x6c, &(0x7f000059aff8)={r7}, &(0x7f000034f000)=0x2059b000) setsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x14, &(0x7f0000000200)=@assoc_value={r7, 0x4027}, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r5, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r6, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f0000000100)=ANY=[@ANYRES32, @ANYRESHEX=r1, @ANYRESDEC], &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r6, 0x84, 0x6c, &(0x7f000059aff8), &(0x7f000034f000)=0x2059b000) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000000)=@assoc_value={0x0, 0x1f}, 0x8) 11:01:15 executing program 3 (fault-call:12 fault-nth:13): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r6, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r6, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x60080000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=@gettfilter={0x4c, 0x2e, 0x200, 0x70bd26, 0x25dfdbfe, {0x0, 0x0, 0x0, r6, {0xa, 0x8}, {0x1, 0x3}, {0x3, 0xfff1}}, [{0x8, 0xb, 0x94}, {0x8, 0xb, 0x80}, {0x8, 0xb, 0x86}, {0x8}, {0x8, 0xb, 0x4}]}, 0x4c}}, 0x4000804) r7 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r7, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1549.634481] block nbd4: Device being setup by another task [ 1549.654319] block nbd2: Device being setup by another task [ 1549.679753] block nbd4: Device being setup by another task [ 1549.721495] block nbd0: Device being setup by another task 11:01:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = dup(r2) write$FUSE_NOTIFY_INVAL_ENTRY(r3, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$SNDRV_CTL_IOCTL_TLV_COMMAND(r3, 0xc008551c, &(0x7f0000000000)={0x0, 0xc, [0xe3, 0x7, 0x9]}) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1549.771497] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1549.803637] block nbd2: Device being setup by another task [ 1549.826167] block nbd4: Device being setup by another task [ 1549.852828] FAULT_INJECTION: forcing a failure. [ 1549.852828] name failslab, interval 1, probability 0, space 0, times 0 [ 1549.862535] block nbd4: Device being setup by another task [ 1549.864319] CPU: 0 PID: 18972 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1549.877842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1549.887201] Call Trace: [ 1549.889798] dump_stack+0x13e/0x194 [ 1549.893440] should_fail.cold+0x10a/0x14b [ 1549.897599] should_failslab+0xd6/0x130 [ 1549.901589] kmem_cache_alloc_trace+0x2db/0x7b0 [ 1549.906267] ? retire_userns_sysctls+0x80/0x80 [ 1549.910876] ? copy_mnt_ns+0x44/0x8a0 [ 1549.914682] copy_utsname+0x10f/0x320 [ 1549.918497] create_new_namespaces+0x14a/0x730 [ 1549.923082] ? security_capable+0x88/0xb0 [ 1549.927241] copy_namespaces+0x27b/0x310 [ 1549.931312] copy_process.part.0+0x2603/0x6a50 [ 1549.935902] ? get_pid_task+0xb8/0x130 [ 1549.939793] ? save_trace+0x290/0x290 [ 1549.943599] ? __lock_is_held+0xad/0x140 [ 1549.947755] ? __cleanup_sighand+0x40/0x40 [ 1549.951996] ? lock_downgrade+0x6e0/0x6e0 [ 1549.956154] _do_fork+0x180/0xc80 [ 1549.959620] ? fork_idle+0x270/0x270 [ 1549.963348] ? fput+0xb/0x140 [ 1549.966452] ? SyS_write+0x14d/0x210 [ 1549.970188] ? SyS_read+0x210/0x210 [ 1549.973841] ? SyS_clock_settime+0x1a0/0x1a0 [ 1549.978254] ? do_syscall_64+0x4c/0x640 [ 1549.982242] ? sys_vfork+0x20/0x20 [ 1549.985788] do_syscall_64+0x1d5/0x640 [ 1549.989714] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1549.994994] RIP: 0033:0x45c829 [ 1549.998180] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1550.005980] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1550.013261] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 11:01:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x27, 0x5, 0x20000002) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1550.020549] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1550.027946] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1550.035233] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:15 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) dup(r4) sendfile(r4, r3, 0x0, 0x1c01) ioctl$VIDIOC_TRY_EXT_CTRLS(r3, 0xc0205649, &(0x7f0000000140)={0x0, 0x6, 0x5, r0, 0x0, &(0x7f0000000100)={0x990a75, 0x2, [], @string=&(0x7f00000000c0)=0x3}}) ioctl$TIOCGPKT(r5, 0x80045438, &(0x7f0000000180)) umount2(&(0x7f00000001c0)='./file0\x00', 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$SIOCX25GFACILITIES(r2, 0x89e2, &(0x7f0000000040)) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1550.127902] block nbd0: Device being setup by another task [ 1550.151092] block nbd0: Device being setup by another task 11:01:16 executing program 0: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000080)) r1 = dup(r0) write$FUSE_NOTIFY_INVAL_ENTRY(r1, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$SNDRV_PCM_IOCTL_STATUS_EXT64(r1, 0xc0984124, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}) r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r2, 0xc0405602, &(0x7f0000000080)={0x2, 0xa, 0x2, "17cf77a37706c9fa33fe2bf00fe4592b9f6a064cb0679700", 0x49433553}) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x437) ioctl$EXT4_IOC_SETFLAGS(r3, 0x40086602, &(0x7f00000000c0)=0x4040) r5 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) setsockopt$sock_timeval(r6, 0x1, 0x15, &(0x7f0000000000), 0x10) [ 1550.326193] block nbd0: Device being setup by another task [ 1550.367982] block nbd0: Device being setup by another task [ 1550.406130] block nbd0: Device being setup by another task 11:01:16 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x351202) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) setsockopt$netlink_NETLINK_RX_RING(r1, 0x10e, 0x6, &(0x7f00000000c0)={0x8, 0x800, 0x5, 0x4}, 0x10) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) r4 = syz_open_dev$media(&(0x7f0000000100)='/dev/media#\x00', 0x5, 0x140) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x2400, 0x9) getresuid(&(0x7f0000000000), &(0x7f0000000180), &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_EVENTS(0xffffffffffffffff, 0x84, 0xb, &(0x7f0000000140), &(0x7f0000000040)=0xe) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r5, 0xc0045002, &(0x7f0000000080)) r6 = dup(r5) write$FUSE_NOTIFY_INVAL_ENTRY(r6, &(0x7f0000000240)=ANY=[@ANYBLOB="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"/685], 0x12) ioctl$KVM_ASSIGN_SET_MSIX_NR(r6, 0x4008ae73, &(0x7f0000000200)={0x1, 0xa000}) 11:01:16 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) sendfile(r1, r0, 0x0, 0x1c01) ioctl$SNDRV_PCM_IOCTL_PAUSE(r0, 0x40044145, &(0x7f0000000000)=0x7) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r3, 0xab02, 0x0) r4 = syz_open_dev$mouse(&(0x7f0000000480)='/dev/input/mouse#\x00', 0x800, 0x280) r5 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x437) r7 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r8 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r8, 0xc0045002, &(0x7f0000000080)) dup(r8) sendfile(r8, r7, 0x0, 0x1c01) io_submit(0x0, 0x6, &(0x7f0000000700)=[&(0x7f0000000140)={0x0, 0x0, 0x0, 0x5, 0x3, 0xffffffffffffffff, &(0x7f00000000c0)="11ec3bbb4d0e3e58c23c68356ae112382665d15f29c9afa71d3511d5286f00c089f9058909e97188135eb8c361b9b76c528f2946efd1cf41f7192f72ba71e0d330961d095f06b71a13620521446a4577dcd2ea082f213c", 0x57, 0xfffffffffffffff9, 0x0, 0x1, r2}, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x1, r3, &(0x7f00000001c0), 0x0, 0xc3, 0x0, 0x1}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x3378366fffa3e7a4, 0x2, 0xffffffffffffffff, &(0x7f0000000240)="c8549cdc8d049af0bdcfa7cef006b43017de6b396dae63785750d1d06273610dd5195f91e6509f0c62d979809d879f1a627b3c59e6bdd4c5cc9d7b4ddb970b7f5ed4b976298a08c2fcf7bfb1777ca893cee7c7de40a699267096761ba4245d3169c3aa5d5bd0d3c84ad22cc15dee36cdf0870dced25e5ccbb696c5a6f1ef2a02a79cc42367868975c6e600cbf051ee5d165996730bbcaf80191a7ae5301e", 0x9e, 0x314d40000000000, 0x0, 0x2}, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x5, 0x5, 0xffffffffffffffff, &(0x7f0000000340)="9880bc993ffeca88ed36f7a223e00510b8a7229a75ea1ce9848795bd7b4830cf4fd57f8452fbd6cbab71349e30b2c7ad1a5fbe922b288a9f8b8943e2832d7a56be5af07809991ee20e4e84776d28fbafb130007303b7b7770f959b520a3e58d77354ee5248a4ee94069889e581b88b587692f1bfcad4ebd36f0b8e25a17a8432b59821d01379b6641dfb5cb7d99128d69ba5", 0x92, 0x10001, 0x0, 0x1, r2}, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x6, 0xe8ed, r4, &(0x7f00000004c0)="3b22feaaac1a161f6768227b8ab287277e3dcf90c607b0ea03302f26e7d9df0d2fb773bf1a4addabf8480f9645b29ac057f5e0f344e667ce9af8d508d97ff5d756f204876638b5a0d21439cd16994f54b22f164d246c4d0c7dcda32efdbdec3b0d88fbc68b06ba1278bd198314d1937949a8e21e0763df046738351e70e09c5b697d80b3810f776d9bf53038cc2f651964ddec7705be6984ea94c2115f720f0207a85807eba034fb9c98e55fb7f28c68fa41060dc26057bc0175ee529284aa151922d908727ead1ec94535d08c6253d72301bc777eee2fc90bbadbc1db24eda907a95da1a35e", 0xe6, 0xfffffffffffffff8, 0x0, 0x1, r0}, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x40, r5, &(0x7f0000000600)="e45e5076269b92148e5736f6f76a9512a03f369ed5897638b6c84cd09cc65095a2c7469e47d9bc7aec282490ffa04410c42d11e9eed1fc74745421d85d2659ef0d2548882f9287ab9cdce5f20ac4abdae2f86c2bc1258b3d127b75bc970b659faa1eccbb7811faedb3875d383b6ec629f7c9a4d67f61fe3eaf349914ab6ded2bf463da6f4d06b5b7f427f7d4a91aa766b655fdb46d7ad3017f83d82c9961e4e0d818496499bfd7afb17512", 0xab, 0x4, 0x0, 0x1, r7}]) 11:01:16 executing program 3 (fault-call:12 fault-nth:14): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r1, 0x84, 0x18, &(0x7f0000000040)={0x0, 0x2}, &(0x7f00000000c0)=0x8) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r3, 0x84, 0x74, &(0x7f0000000100)=""/188, &(0x7f00000001c0)=0xbc) r4 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r4, 0xc0405602, &(0x7f0000000080)={0x8, 0x8, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797", 0x20363059}) [ 1550.510452] block nbd4: Device being setup by another task [ 1550.550155] block nbd2: Device being setup by another task [ 1550.565231] block nbd4: Device being setup by another task [ 1550.614989] block nbd2: Device being setup by another task [ 1550.622403] block nbd0: Device being setup by another task [ 1550.640516] block nbd0: Device being setup by another task 11:01:16 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) ioctl$NBD_DO_IT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$ifreq_SIOCGIFINDEX_wireguard(r5, 0x8933, &(0x7f00000000c0)={'wg2\x00', 0x0}) sendto$packet(r5, &(0x7f0000000000)="1c721bc6681b4270cbaac7f00ca40b02114e1e957328cdca675517c8f0bb4b5c3c30ad4a31e00a091261c97fb01d64410432c78402615253d816a58bb0d045bf4542", 0x42, 0x4000, &(0x7f0000000100)={0x11, 0xf8, r6, 0x1, 0xd, 0x6, @remote}, 0x14) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1550.675849] block nbd0: Device being setup by another task [ 1550.721240] block nbd0: Device being setup by another task [ 1550.736530] FAULT_INJECTION: forcing a failure. [ 1550.736530] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1550.748363] CPU: 1 PID: 19019 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1550.756263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1550.765618] Call Trace: [ 1550.768219] dump_stack+0x13e/0x194 [ 1550.771853] should_fail.cold+0x10a/0x14b [ 1550.776015] __alloc_pages_nodemask+0x1bf/0x700 [ 1550.780678] ? trace_hardirqs_on+0x10/0x10 [ 1550.784924] ? __alloc_pages_slowpath+0x26c0/0x26c0 [ 1550.789931] ? find_held_lock+0x2d/0x110 [ 1550.793993] cache_grow_begin+0x7b/0x410 [ 1550.798051] kmem_cache_alloc+0x695/0x770 [ 1550.802873] ? _raw_spin_unlock_irq+0x24/0x80 [ 1550.807376] copy_process.part.0+0x1cd5/0x6a50 [ 1550.811972] ? get_pid_task+0xb8/0x130 [ 1550.815867] ? proc_fail_nth_write+0x7b/0x180 [ 1550.820365] ? save_trace+0x290/0x290 [ 1550.824160] ? __lock_is_held+0xad/0x140 [ 1550.828234] ? __cleanup_sighand+0x40/0x40 [ 1550.832464] ? lock_downgrade+0x6e0/0x6e0 [ 1550.836786] _do_fork+0x180/0xc80 [ 1550.840238] ? fork_idle+0x270/0x270 [ 1550.843945] ? fput+0xb/0x140 [ 1550.847040] ? SyS_write+0x14d/0x210 [ 1550.850831] ? SyS_read+0x210/0x210 [ 1550.854453] ? SyS_clock_settime+0x1a0/0x1a0 [ 1550.858858] ? do_syscall_64+0x4c/0x640 [ 1550.862831] ? sys_vfork+0x20/0x20 [ 1550.866374] do_syscall_64+0x1d5/0x640 [ 1550.870267] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1550.875451] RIP: 0033:0x45c829 [ 1550.878634] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1550.886362] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1550.893638] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1550.901860] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1550.909133] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1550.916399] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:16 executing program 2: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000080)) r1 = dup(r0) write$FUSE_NOTIFY_INVAL_ENTRY(r1, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) r2 = openat$cgroup_ro(r1, &(0x7f0000000040)='memory.events\x00', 0x0, 0x0) ioctl$FIBMAP(r2, 0x1, &(0x7f0000000080)=0x7fff) r3 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x6d8500) ioctl$NBD_SET_SIZE(r3, 0xab02, 0x0) [ 1550.955029] block nbd4: Device being setup by another task 11:01:16 executing program 0: openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r0 = syz_open_dev$mouse(&(0x7f00000000c0)='/dev/input/mouse#\x00', 0xeac2, 0x2000) r1 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000140)='TIPCv2\x00') sendmsg$TIPC_NL_PUBL_GET(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, r1, 0x400, 0x70bd26, 0x25dfdbff, {}, [@TIPC_NLA_NODE={0x24, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x20}, @TIPC_NLA_NODE_ADDR={0x8}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x5}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x8}]}]}, 0x38}, 0x1, 0x0, 0x0, 0xcb98bcb3f9219f3e}, 0x48000) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vga_arbiter\x00', 0x40, 0x0) ioctl$VIDIOC_ENUM_FMT(0xffffffffffffffff, 0xc0405602, &(0x7f0000000040)={0x40, 0xa, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f7d42146d030b5bb6ea22064cb06797", 0x55595659}) 11:01:16 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) setsockopt$inet_sctp_SCTP_MAX_BURST(r2, 0x84, 0x14, &(0x7f0000000000)=@int=0x5, 0x4) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 1551.003573] block nbd4: Device being setup by another task [ 1551.027848] block nbd4: Device being setup by another task 11:01:16 executing program 0: ioctl$SG_SET_KEEP_ORPHAN(0xffffffffffffffff, 0x2287, &(0x7f0000000040)=0x7) r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x5, 0x0, "f00fe459e7c1d0fcb38709595bb6ea00004cb067970900", 0x34343459}) [ 1551.112402] block nbd2: Device being setup by another task [ 1551.129032] block nbd4: Device being setup by another task [ 1551.146412] block nbd4: Device being setup by another task [ 1551.181061] block nbd2: Device being setup by another task 11:01:17 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:17 executing program 3 (fault-call:12 fault-nth:15): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:17 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000000c0)={0xffffffffffffffff}) ioctl$SG_GET_RESERVED_SIZE(r3, 0x2272, &(0x7f0000000100)) bind$tipc(r2, &(0x7f0000000040)=@nameseq={0x1e, 0x1, 0x1, {0x0, 0x2}}, 0x10) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x3) r1 = openat$audio(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/audio\x00', 0x10800, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$sock_bt_cmtp_CMTPCONNADD(r3, 0x400443c8, &(0x7f0000000040)={r5, 0x3}) r6 = dup(r1) write$FUSE_NOTIFY_INVAL_ENTRY(r6, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) write$P9_RXATTRWALK(r6, &(0x7f0000000000)={0xf, 0x1f, 0x1, 0xffffffff}, 0xf) [ 1551.417093] block nbd0: Device being setup by another task [ 1551.444355] block nbd0: Device being setup by another task 11:01:17 executing program 4: r0 = socket$pppoe(0x18, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x100, @empty, 'geneve0\x00'}}, 0x1e) sendmmsg(r0, &(0x7f000000d180), 0x4000000000000eb, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x2000007b) r5 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r6 = socket(0x6, 0x3, 0xf7) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) r7 = socket$kcm(0x10, 0x2, 0x10) r8 = syz_genetlink_get_family_id$ipvs(&(0x7f00000001c0)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DAEMON(r7, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000300)={0x50, r8, 0x1, 0x0, 0x0, {}, [@IPVS_CMD_ATTR_DAEMON={0x3c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'vcan0\x00'}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast2}]}]}, 0x50}}, 0x0) sendmsg$IPVS_CMD_SET_INFO(r6, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, r8, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_DEST={0x24, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x1}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x2}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x1}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0xfffff800}]}]}, 0x38}}, 0x880) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) getsockopt$IP6T_SO_GET_REVISION_TARGET(r1, 0x29, 0x45, &(0x7f0000000000)={'TPROXY\x00'}, &(0x7f0000000040)=0x1e) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x437) close(r3) [ 1551.472925] block nbd2: Device being setup by another task [ 1551.498484] block nbd2: Device being setup by another task [ 1551.526425] block nbd2: Device being setup by another task [ 1551.550229] FAULT_INJECTION: forcing a failure. [ 1551.550229] name failslab, interval 1, probability 0, space 0, times 0 [ 1551.553290] block nbd2: Device being setup by another task [ 1551.561670] CPU: 0 PID: 19069 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 11:01:17 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) accept4$rose(r2, &(0x7f0000000040)=@full={0xb, @remote, @netrom, 0x0, [@bcast, @netrom, @netrom, @null, @null, @bcast]}, &(0x7f00000000c0)=0x40, 0x800) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1551.561679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1551.561684] Call Trace: [ 1551.561710] dump_stack+0x13e/0x194 [ 1551.561729] should_fail.cold+0x10a/0x14b [ 1551.561744] should_failslab+0xd6/0x130 [ 1551.561755] kmem_cache_alloc_trace+0x2db/0x7b0 [ 1551.561773] ? retire_userns_sysctls+0x80/0x80 [ 1551.608168] copy_ipcs+0xec/0x3e0 [ 1551.611634] create_new_namespaces+0x1d4/0x730 [ 1551.616227] copy_namespaces+0x27b/0x310 [ 1551.620295] copy_process.part.0+0x2603/0x6a50 11:01:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x400240) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) ioctl$TIOCSIG(r1, 0x40045436, 0x6) [ 1551.624887] ? get_pid_task+0xb8/0x130 [ 1551.628783] ? save_trace+0x290/0x290 [ 1551.632585] ? __lock_is_held+0xad/0x140 [ 1551.636657] ? __cleanup_sighand+0x40/0x40 [ 1551.640901] ? lock_downgrade+0x6e0/0x6e0 [ 1551.645056] _do_fork+0x180/0xc80 [ 1551.648521] ? fork_idle+0x270/0x270 [ 1551.652235] ? fput+0xb/0x140 [ 1551.655343] ? SyS_write+0x14d/0x210 [ 1551.659057] ? SyS_read+0x210/0x210 [ 1551.662686] ? SyS_clock_settime+0x1a0/0x1a0 [ 1551.667196] ? do_syscall_64+0x4c/0x640 [ 1551.671178] ? sys_vfork+0x20/0x20 [ 1551.674733] do_syscall_64+0x1d5/0x640 [ 1551.678640] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1551.683838] RIP: 0033:0x45c829 [ 1551.687028] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1551.694740] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1551.702015] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1551.709378] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1551.716676] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1551.723951] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x486600) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 1551.806870] block nbd0: Device being setup by another task 11:01:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0xbe) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$UI_ABS_SETUP(r2, 0x401c5504, &(0x7f0000000000)={0x2, {0xb64, 0x1, 0x9, 0x200, 0x5, 0x6}}) 11:01:17 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) syz_open_dev$binderN(&(0x7f0000000040)='/dev/binder#\x00', 0x0, 0x802) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1551.857267] block nbd0: Device being setup by another task [ 1552.020324] print_req_error: 912 callbacks suppressed [ 1552.020330] print_req_error: I/O error, dev nbd4, sector 0 [ 1552.031507] buffer_io_error: 914 callbacks suppressed [ 1552.031513] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1552.053435] print_req_error: I/O error, dev nbd4, sector 2 [ 1552.059107] Buffer I/O error on dev nbd4, logical block 1, async page read 11:01:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0)='NLBL_UNLBL\x00') sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x44, r3, 0x200, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1={0xfc, 0x1, [], 0x1}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}]}, 0x44}, 0x1, 0x0, 0x0, 0x884}, 0x20004801) r4 = socket(0x2a, 0x3, 0xfffffffc) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) ioctl$SIOCAX25GETINFOOLD(r4, 0x89e9, &(0x7f0000000000)) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 11:01:17 executing program 0: ioctl$sock_SIOCOUTQ(0xffffffffffffffff, 0x5411, &(0x7f0000000040)) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f0000000040)='TIPC\x00') sendmsg$TIPC_CMD_GET_LINKS(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, 0x0, 0x800, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000740)={0x3, 0x2, 0xf000, 0x1000, &(0x7f0000000000/0x1000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfb]}) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(0xffffffffffffffff, 0xc0096616, &(0x7f0000000000)=ANY=[@ANYBLOB="01"]) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000380)={[], 0x0, 0x23c1}) ioctl$KVM_RUN(r2, 0xae80, 0x0) openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) dup(r3) [ 1552.066479] print_req_error: I/O error, dev nbd4, sector 4 [ 1552.072237] Buffer I/O error on dev nbd4, logical block 2, async page read [ 1552.079305] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1552.088446] print_req_error: I/O error, dev nbd4, sector 0 [ 1552.094345] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1552.109804] print_req_error: I/O error, dev nbd4, sector 2 [ 1552.115489] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1552.122688] Buffer I/O error on dev nbd4, logical block 2, async page read [ 1552.129885] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1552.137165] print_req_error: I/O error, dev nbd4, sector 0 [ 1552.143024] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1552.150885] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1552.158178] print_req_error: I/O error, dev nbd4, sector 0 [ 1552.164109] print_req_error: I/O error, dev nbd4, sector 0 [ 1552.170068] print_req_error: I/O error, dev nbd4, sector 0 [ 1552.175961] print_req_error: I/O error, dev nbd4, sector 24 11:01:18 executing program 3 (fault-call:12 fault-nth:16): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:18 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = openat$md(0xffffffffffffff9c, &(0x7f0000000000)='/dev/md0\x00', 0x400000, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x92a00, 0x0) ioctl$KVM_HYPERV_EVENTFD(r1, 0x4018aebd, &(0x7f00000000c0)) 11:01:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x2200) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) syz_genetlink_get_family_id$nbd(&(0x7f0000000100)='nbd\x00') getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r4, 0x84, 0x13, &(0x7f0000000000)={0x0, 0x2}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f00000000c0)={r5, 0x5}, 0x8) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 1552.400068] block nbd2: Device being setup by another task [ 1552.420862] block nbd2: Device being setup by another task [ 1552.438757] FAULT_INJECTION: forcing a failure. [ 1552.438757] name failslab, interval 1, probability 0, space 0, times 0 [ 1552.454113] CPU: 1 PID: 19134 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1552.462103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1552.471458] Call Trace: [ 1552.474059] dump_stack+0x13e/0x194 [ 1552.477711] should_fail.cold+0x10a/0x14b [ 1552.481860] should_failslab+0xd6/0x130 [ 1552.485830] kmem_cache_alloc_node_trace+0x292/0x7b0 [ 1552.490930] ? kasan_kmalloc+0xbf/0xe0 [ 1552.494810] __kmalloc_node+0x38/0x70 [ 1552.498626] kvmalloc_node+0x46/0xd0 [ 1552.502339] bucket_table_alloc+0x14f/0x5c0 [ 1552.506662] rhashtable_init+0x486/0x7f0 [ 1552.510739] ipc_init_ids+0xc2/0x1e0 [ 1552.514451] copy_ipcs+0x217/0x3e0 [ 1552.517985] create_new_namespaces+0x1d4/0x730 [ 1552.522569] copy_namespaces+0x27b/0x310 [ 1552.526628] copy_process.part.0+0x2603/0x6a50 [ 1552.531221] ? get_pid_task+0xb8/0x130 [ 1552.535117] ? save_trace+0x290/0x290 [ 1552.538936] ? __cleanup_sighand+0x40/0x40 [ 1552.543295] ? lock_downgrade+0x6e0/0x6e0 [ 1552.547452] _do_fork+0x180/0xc80 [ 1552.551866] ? fork_idle+0x270/0x270 [ 1552.555580] ? fput+0xb/0x140 [ 1552.558685] ? SyS_write+0x14d/0x210 [ 1552.562393] ? SyS_read+0x210/0x210 [ 1552.566033] ? SyS_clock_settime+0x1a0/0x1a0 [ 1552.570453] ? do_syscall_64+0x4c/0x640 [ 1552.574422] ? sys_vfork+0x20/0x20 [ 1552.577962] do_syscall_64+0x1d5/0x640 [ 1552.581856] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1552.587044] RIP: 0033:0x45c829 [ 1552.590230] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1552.597943] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1552.605224] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1552.612508] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1552.619804] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1552.627074] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:18 executing program 0: prctl$PR_GET_CHILD_SUBREAPER(0x25) r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000040)={0x0, 0x1, 0x2, "57cf77a37706d4fa33fe2bf00ff8592b9fbf53146ded0a5bb6ea02064cb00700", 0x39555659}) [ 1552.674013] block nbd2: Device being setup by another task [ 1552.699199] block nbd2: Device being setup by another task 11:01:18 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/bus/input/devices\x00', 0x0, 0x0) preadv(r1, &(0x7f00000007c0)=[{&(0x7f00000000c0)=""/192, 0xc0}, {&(0x7f0000000180)=""/169, 0xa9}, {&(0x7f0000000240)=""/242, 0xf2}, {&(0x7f0000000340)=""/222, 0xde}, {&(0x7f0000000440)=""/207, 0xcf}, {&(0x7f0000000540)=""/120, 0x78}, {&(0x7f00000005c0)=""/214, 0xd6}, {&(0x7f00000006c0)=""/138, 0x8a}, {&(0x7f0000000780)=""/25, 0x19}], 0x9, 0x1) getsockopt$inet_tcp_buf(r1, 0x6, 0x1c, &(0x7f0000000880)=""/65, &(0x7f0000000900)=0x41) 11:01:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) syz_genetlink_get_family_id$net_dm(&(0x7f0000000000)='NET_DM\x00') r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) r3 = openat(r1, &(0x7f0000000040)='./file0\x00', 0x20000, 0x18) ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r3, 0xc1205531, &(0x7f00000000c0)={0x5, 0x1, 0x8001, 0x1, [], [], [], 0x2, 0x3, 0x8001, 0xffff, "a0e90359ab3ca24a815dcbd092aade24"}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r4) r5 = getgid() r6 = socket$inet_udplite(0x2, 0x2, 0x88) fstat(r6, &(0x7f0000001b80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r8 = socket$inet_udplite(0x2, 0x2, 0x88) fstat(r8, &(0x7f0000001b80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) lsetxattr$system_posix_acl(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000140)='system.posix_acl_access\x00', &(0x7f0000000200)=ANY=[@ANYBLOB="020000000100000000000000040003000000000008000100", @ANYRES32=r5, @ANYBLOB='\b\x00\a\x00', @ANYRES32=r7, @ANYBLOB='\b\x00\a\x00', @ANYRES32=r9, @ANYBLOB="100007000000000020"], 0x3c, 0x0) r10 = getuid() write$P9_RSTATu(0xffffffffffffffff, &(0x7f0000000200)={0x77, 0x7d, 0x1, {{0x0, 0x4e, 0x8, 0xacfa, {0x10, 0x0, 0x8}, 0x0, 0x7, 0x9, 0x5, 0xb, '/dev/audio\x00', 0x8, 'pagemap\x00', 0x0, '', 0x8, 'pagemap\x00'}, 0x14, 'mime_type*-.**wlan1(', r4, r5, r10}}, 0x77) 11:01:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) lsetxattr$security_evm(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.evm\x00', &(0x7f00000001c0)=ANY=[@ANYBLOB="8edc292ab84a5b470000000021b30734427dfee2c8bdd02eab54d24f66975afaed5605f60d71ce59e3d7acd795c7058ee1bad029f9a463a45fd934c02aa2ff4a33b08d88a935c3a09e93d93a88b1ceca1317b9b3437f10a092432a204f5823bea33b42cbec3ecccc965a1a14a45616e86da89416194d6ebc5b5a0c41f0f0b463d3492e848bd88fa9b21514f3453c7801649087ad9fa131dcb7120b974c9a0d9ea5ed44c2e0e3351ab9d04b06742d70a699cf067d45453ebe8ec7ccbe01c6ba6d8b98bfc8bd788bf207af5f1b16f060bf24d0cd7f0948642397091e9d9bda0f6811bd1f290b61f3e3a380"], 0x11, 0x3) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000100)='/dev/autofs\x00', 0x341000, 0x0) write$UHID_DESTROY(r1, &(0x7f0000000140), 0x4) 11:01:18 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x437) r5 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0xc028660f, &(0x7f0000000200)={0x0, r6, 0x6, 0x7, 0xfb45, 0x100000001}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r7 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f00000000c0)={{{@in=@local, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in6=@empty}}, &(0x7f00000001c0)=0xfffffffffffffd0a) setfsuid(r9) r10 = syz_open_dev$mouse(&(0x7f0000000240)='/dev/input/mouse#\x00', 0x40108000000809, 0x604202) ioctl$DRM_IOCTL_SET_MASTER(r10, 0x641e) 11:01:18 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) listxattr(&(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)=""/5, 0x5) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) dup(r3) sendfile(r3, r2, 0x0, 0x1c01) ioctl$VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL(r2, 0xc040564b, &(0x7f0000000100)={0x0, 0x0, 0x300c, 0x800, 0x0, {0x8}, 0x1}) ioctl$int_in(r0, 0x5452, &(0x7f0000000000)) [ 1553.096873] block nbd0: Device being setup by another task [ 1553.127664] block nbd0: Device being setup by another task 11:01:19 executing program 3 (fault-call:12 fault-nth:17): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) [ 1553.164389] block nbd2: Device being setup by another task [ 1553.173914] block nbd0: Device being setup by another task [ 1553.196521] block nbd2: Device being setup by another task [ 1553.204182] block nbd0: Device being setup by another task [ 1553.263114] block nbd0: Device being setup by another task [ 1553.296154] block nbd0: Device being setup by another task [ 1553.317396] block nbd0: Device being setup by another task [ 1553.337736] block nbd0: Device being setup by another task [ 1553.379178] FAULT_INJECTION: forcing a failure. [ 1553.379178] name failslab, interval 1, probability 0, space 0, times 0 [ 1553.390694] CPU: 0 PID: 19180 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1553.398591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1553.407953] Call Trace: [ 1553.410543] dump_stack+0x13e/0x194 [ 1553.414180] should_fail.cold+0x10a/0x14b [ 1553.418334] should_failslab+0xd6/0x130 [ 1553.422305] kmem_cache_alloc_node_trace+0x292/0x7b0 [ 1553.427497] ? kasan_kmalloc+0xbf/0xe0 [ 1553.431398] __kmalloc_node+0x38/0x70 [ 1553.435203] kvmalloc_node+0x46/0xd0 [ 1553.438929] bucket_table_alloc+0x14f/0x5c0 [ 1553.443252] rhashtable_init+0x486/0x7f0 [ 1553.447310] ipc_init_ids+0xc2/0x1e0 [ 1553.451040] copy_ipcs+0x217/0x3e0 [ 1553.454577] create_new_namespaces+0x1d4/0x730 [ 1553.459179] copy_namespaces+0x27b/0x310 [ 1553.463238] copy_process.part.0+0x2603/0x6a50 [ 1553.467827] ? get_pid_task+0xb8/0x130 [ 1553.471716] ? save_trace+0x290/0x290 [ 1553.475520] ? __lock_is_held+0xad/0x140 [ 1553.479594] ? __cleanup_sighand+0x40/0x40 [ 1553.483833] ? lock_downgrade+0x6e0/0x6e0 [ 1553.487997] _do_fork+0x180/0xc80 [ 1553.491453] ? fork_idle+0x270/0x270 [ 1553.495164] ? fput+0xb/0x140 [ 1553.498268] ? SyS_write+0x14d/0x210 [ 1553.501977] ? SyS_read+0x210/0x210 [ 1553.505694] ? SyS_clock_settime+0x1a0/0x1a0 [ 1553.510118] ? do_syscall_64+0x4c/0x640 [ 1553.514086] ? sys_vfork+0x20/0x20 [ 1553.517618] do_syscall_64+0x1d5/0x640 [ 1553.521771] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1553.526953] RIP: 0033:0x45c829 [ 1553.530135] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1553.537940] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1553.545213] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1553.552506] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1553.559777] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1553.567064] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:19 executing program 1: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r6 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r7, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:19 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x400100, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$inet_mreq(r1, 0x0, 0x20, 0x0, 0x5) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_DO_IT(r0, 0xab03) r3 = gettid() ptrace$setopts(0x4206, r3, 0x0, 0x0) tkill(r3, 0x15) r4 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r5, 0xc0045002, &(0x7f0000000080)) dup(r5) sendfile(r5, r4, 0x0, 0x1c01) r6 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/zero\x00', 0x10000, 0x0) openat$cgroup_ro(r6, &(0x7f0000000100)='hugetlb.2MB.usage_in_bytes\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) 11:01:19 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040)='/dev/btrfs-control\x00', 0x40100, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) ioctl$VIDIOC_STREAMON(r1, 0x40045612, &(0x7f00000000c0)=0x1) ioctl$VIDIOC_QBUF(r1, 0xc058560f, &(0x7f0000000100)={0x1f, 0x7, 0x4, 0x20, 0x0, {0x77359400}, {0x0, 0xc, 0x20, 0x2, 0xe1, 0x5e, "3d928816"}, 0x2, 0x5, @offset=0xfffffffb, 0x7ffffffd, 0x0, r2}) [ 1553.712781] block nbd2: Device being setup by another task [ 1553.763014] block nbd1: Device being setup by another task [ 1553.784203] block nbd1: Device being setup by another task 11:01:19 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = dup(r2) ioctl$UI_SET_SWBIT(r3, 0x4004556d, 0x7) sendfile(r2, r1, 0x0, 0x1c01) ioctl$VIDIOC_SUBDEV_G_CROP(r1, 0xc038563b, &(0x7f0000000040)={0x1, 0x0, {0xfff, 0x8, 0x8001, 0x6}}) [ 1553.814560] block nbd1: Receive control failed (result -107) [ 1553.827286] block nbd1: Attempted send on invalid socket [ 1553.832930] block nbd1: shutting down sockets [ 1553.846432] ldm_validate_partition_table(): Disk read failed. 11:01:19 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = socket$can_raw(0x1d, 0x3, 0x1) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x2000) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) dup(r3) sendfile(r3, r2, 0x0, 0x1c01) ioctl$VIDIOC_DQBUF(r2, 0xc0585611, &(0x7f0000000140)={0x1ff, 0x7, 0x4, 0x2000000, 0xb27, {0x77359400}, {0x3, 0x3, 0x4, 0x2, 0x80, 0x0, "cb4b84e4"}, 0x80000001, 0x3, @fd, 0x3, 0x0, r1}) ioctl$SNDCTL_DSP_GETIPTR(r4, 0x800c5011, &(0x7f00000001c0)) [ 1553.868595] Dev nbd1: unable to read RDB block 0 [ 1553.888715] nbd1: unable to read partition table 11:01:19 executing program 0: openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) inotify_init1(0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r1 = open(&(0x7f0000000080)='./bus\x00', 0x164142, 0x0) r2 = socket$inet6(0xa, 0x400000000001, 0x0) close(r2) r3 = open(&(0x7f0000000080)='./bus\x00', 0x164142, 0x0) ftruncate(r3, 0x200004) sendfile(r2, r3, 0x0, 0x80001d00c0d0) io_setup(0x9, &(0x7f0000000040)=0x0) io_submit(r4, 0x1, &(0x7f0000000200)=[&(0x7f0000000180)={0x0, 0x0, 0x8, 0x0, 0x0, r1, &(0x7f00000000c0)='<', 0x1}]) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r5, 0xc0045002, &(0x7f0000000080)) dup(r5) sendfile(r5, r0, 0x0, 0x1c01) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x1, 0xa, 0x0, "1f0001000006d4fa33fe2bfbbf62ff2b9f6aa9146ded0a5bb6ea22064cb06797", 0x34325842}) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r6) recvmsg$can_bcm(r6, &(0x7f0000000340)={&(0x7f0000000100)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, &(0x7f0000000240)=[{&(0x7f00000001c0)=""/3, 0x3}], 0x1, &(0x7f0000000280)=""/117, 0x75}, 0x40010120) bind$isdn(r6, &(0x7f0000000380)={0x22, 0x6, 0x1, 0xf4, 0x9}, 0x6) 11:01:19 executing program 3 (fault-call:12 fault-nth:18): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) [ 1554.056138] audit: type=1800 audit(1588762879.899:63): pid=19201 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="sda1" ino=16866 res=0 [ 1554.130478] audit: type=1800 audit(1588762879.949:64): pid=19201 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="sda1" ino=16866 res=0 [ 1554.274477] audit: type=1800 audit(1588762880.119:65): pid=19207 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="sda1" ino=16866 res=0 [ 1554.283035] FAULT_INJECTION: forcing a failure. [ 1554.283035] name failslab, interval 1, probability 0, space 0, times 0 [ 1554.305832] CPU: 1 PID: 19210 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1554.313734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1554.323097] Call Trace: [ 1554.325713] dump_stack+0x13e/0x194 [ 1554.329363] should_fail.cold+0x10a/0x14b [ 1554.333520] should_failslab+0xd6/0x130 [ 1554.337491] kmem_cache_alloc_node_trace+0x292/0x7b0 [ 1554.342595] ? _raw_spin_unlock_irqrestore+0x67/0xe0 [ 1554.347704] ? kasan_kmalloc+0xbf/0xe0 [ 1554.351589] __kmalloc_node+0x38/0x70 [ 1554.355397] kvmalloc_node+0x46/0xd0 [ 1554.359121] bucket_table_alloc+0x14f/0x5c0 [ 1554.363453] rhashtable_init+0x486/0x7f0 [ 1554.367520] ipc_init_ids+0xc2/0x1e0 [ 1554.371231] copy_ipcs+0x300/0x3e0 [ 1554.374808] create_new_namespaces+0x1d4/0x730 [ 1554.379398] copy_namespaces+0x27b/0x310 [ 1554.383482] copy_process.part.0+0x2603/0x6a50 [ 1554.388075] ? get_pid_task+0xb8/0x130 [ 1554.392463] ? save_trace+0x290/0x290 [ 1554.396291] ? __lock_is_held+0xad/0x140 [ 1554.400360] ? __cleanup_sighand+0x40/0x40 [ 1554.404586] ? lock_downgrade+0x6e0/0x6e0 [ 1554.408729] _do_fork+0x180/0xc80 [ 1554.412184] ? fork_idle+0x270/0x270 [ 1554.415905] ? fput+0xb/0x140 [ 1554.419012] ? SyS_write+0x14d/0x210 [ 1554.422836] ? SyS_read+0x210/0x210 [ 1554.426478] ? SyS_clock_settime+0x1a0/0x1a0 [ 1554.430887] ? do_syscall_64+0x4c/0x640 [ 1554.434859] ? sys_vfork+0x20/0x20 [ 1554.438394] do_syscall_64+0x1d5/0x640 [ 1554.442282] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1554.447465] RIP: 0033:0x45c829 [ 1554.450646] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1554.458362] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1554.465633] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1554.472904] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1554.480196] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1554.487466] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 [ 1554.535748] audit: type=1800 audit(1588762880.119:66): pid=19207 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="sda1" ino=16866 res=0 11:01:20 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) getsockopt$inet_sctp_SCTP_MAX_BURST(r2, 0x84, 0x14, &(0x7f0000000040)=@assoc_value, &(0x7f00000000c0)=0x8) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:20 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$kcm(0x10, 0x2, 0x10) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f00000001c0)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DAEMON(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000090000003c0003800800010002000000140002007663616e300000000000000000000000080003000000000014000600ff02000000000000000000457e6408f63836cb2b4e6bd4489e1e300000000001"], 0x50}}, 0x0) sendmsg$IPVS_CMD_SET_DEST(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000040)={&(0x7f0000000280)={0x158, r2, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x1c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e20}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}]}, @IPVS_CMD_ATTR_DEST={0x14, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x9}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e21}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xfffffbff}, @IPVS_CMD_ATTR_DEST={0x2c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x7}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x800}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e20}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x2}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x3}]}, @IPVS_CMD_ATTR_DAEMON={0x50, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @multicast1}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @remote}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'team0\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @loopback}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e22}]}, @IPVS_CMD_ATTR_DAEMON={0x58, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth1_to_bridge\x00'}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e20}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x4}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth1_vlan\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'macvlan1\x00'}]}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e21}]}, @IPVS_CMD_ATTR_SERVICE={0x2c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e24}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e24}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}, @IPVS_SVC_ATTR_FWMARK={0x8}]}]}, 0x158}, 0x1, 0x0, 0x0, 0x1}, 0x40001) r3 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r4, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1554.666612] block nbd0: Device being setup by another task [ 1554.692456] block nbd0: Device being setup by another task 11:01:20 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) r3 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) dup(r4) sendfile(r4, r3, 0x0, 0x1c01) r5 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$VIDIOC_QBUF(r2, 0xc058560f, &(0x7f00000000c0)={0x94ab, 0x1, 0x4, 0x0, 0x400, {0x77359400}, {0x4, 0xc, 0x7, 0x1f, 0x1, 0x72, "4dbb3a6e"}, 0x2a000000, 0x1, @fd=r3, 0x0, 0x0, r6}) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1554.749943] IPVS: Error joining to the multicast group 11:01:20 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x437) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) fcntl$dupfd(r1, 0x406, r4) [ 1554.813264] block nbd0: Device being setup by another task [ 1554.834383] block nbd0: Device being setup by another task 11:01:20 executing program 1: socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x58, r3, 0x10, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010101}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x4040000}, 0x200408c0) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = dup2(r4, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r8 = socket$inet_udp(0x2, 0x2, 0x0) close(r8) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/conn_reuse_mode\x00', 0x2, 0x0) openat$tun(0xffffffffffffff9c, 0x0, 0x0, 0x0) write$binfmt_misc(r7, &(0x7f0000000140)=ANY=[], 0x1000000c8) splice(r6, 0x0, r8, 0x0, 0x10005, 0x0) [ 1554.922131] block nbd0: Device being setup by another task [ 1554.954251] block nbd0: Device being setup by another task 11:01:20 executing program 3 (fault-call:12 fault-nth:19): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) [ 1554.983446] block nbd0: Device being setup by another task [ 1555.015896] block nbd0: Device being setup by another task [ 1555.109364] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=19233 comm=syz-executor.1 [ 1555.229722] FAULT_INJECTION: forcing a failure. [ 1555.229722] name failslab, interval 1, probability 0, space 0, times 0 [ 1555.241009] CPU: 0 PID: 19244 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1555.248900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1555.258265] Call Trace: [ 1555.260873] dump_stack+0x13e/0x194 [ 1555.264517] should_fail.cold+0x10a/0x14b [ 1555.268674] should_failslab+0xd6/0x130 [ 1555.272657] kmem_cache_alloc_node_trace+0x292/0x7b0 [ 1555.277764] ? _raw_spin_unlock_irqrestore+0x67/0xe0 [ 1555.282896] ? kasan_kmalloc+0xbf/0xe0 [ 1555.286792] __kmalloc_node+0x38/0x70 [ 1555.290601] kvmalloc_node+0x46/0xd0 [ 1555.294318] bucket_table_alloc+0x14f/0x5c0 [ 1555.298651] rhashtable_init+0x486/0x7f0 [ 1555.302723] ipc_init_ids+0xc2/0x1e0 [ 1555.306441] copy_ipcs+0x300/0x3e0 [ 1555.309986] create_new_namespaces+0x1d4/0x730 [ 1555.314576] copy_namespaces+0x27b/0x310 [ 1555.318647] copy_process.part.0+0x2603/0x6a50 [ 1555.323251] ? get_pid_task+0xb8/0x130 [ 1555.327176] ? save_trace+0x290/0x290 [ 1555.330986] ? __lock_is_held+0xad/0x140 [ 1555.335068] ? __cleanup_sighand+0x40/0x40 [ 1555.339316] ? lock_downgrade+0x6e0/0x6e0 [ 1555.343497] _do_fork+0x180/0xc80 [ 1555.346961] ? fork_idle+0x270/0x270 [ 1555.350698] ? fput+0xb/0x140 [ 1555.353807] ? SyS_write+0x14d/0x210 [ 1555.357523] ? SyS_read+0x210/0x210 [ 1555.361153] ? SyS_clock_settime+0x1a0/0x1a0 [ 1555.365575] ? do_syscall_64+0x4c/0x640 [ 1555.369552] ? sys_vfork+0x20/0x20 [ 1555.373099] do_syscall_64+0x1d5/0x640 [ 1555.376996] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1555.382182] RIP: 0033:0x45c829 [ 1555.385971] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1555.393675] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1555.400936] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1555.408200] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1555.415460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1555.423687] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x250100) r2 = socket(0x2, 0x801, 0x2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$FIONCLEX(r2, 0x5450) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) dup(r4) sendfile(r4, r3, 0x0, 0x1c01) ioctl$PPPIOCCONNECT(r3, 0x4004743a, &(0x7f0000000000)=0x1) 11:01:22 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) r4 = dup(r3) write$FUSE_NOTIFY_INVAL_ENTRY(r4, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$VIDIOC_DQBUF(r4, 0xc0585611, &(0x7f0000000000)={0xe2, 0x8, 0x4, 0x80000, 0x6, {}, {0x3, 0x1, 0x45, 0x40, 0xff, 0x3, "213158fe"}, 0xe8f, 0x2, @fd, 0x7f, 0x0, 0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_DESTS(r5, 0x0, 0x484, &(0x7f0000000280)=""/4096, &(0x7f0000000080)=0x1000) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f0000000040)=[@mss={0x2, 0x80000001}, @timestamp, @sack_perm], 0x3) ioctl$VIDIOC_ENUM_FMT(0xffffffffffffffff, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) setsockopt$inet_tcp_TCP_REPAIR(r5, 0x6, 0x13, &(0x7f00000000c0)=0xffffffffffffffff, 0x4) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) ioctl$BLKBSZGET(r2, 0x80081270, &(0x7f0000000000)) 11:01:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x8000, 0x0) r3 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000200)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000380)={&(0x7f0000000080), 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x1c, r4, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8}]}, 0x1c}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r4, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, [], 0x1, 0x0}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x8000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:22 executing program 3 (fault-call:12 fault-nth:20): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:22 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x38, 0x2, 0x10000000, 0x0, 0x9, 0x400000000000}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_GET_CTX(0xffffffffffffffff, 0xc0086423, &(0x7f0000000180)={0x0, 0x2}) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:22 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, @perf_bp={0x0}, 0xc000, 0x0, 0x0, 0x5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = syz_open_dev$usbfs(&(0x7f0000000180)='/dev/bus/usb/00#/00#\x00', 0x77, 0x1) r3 = syz_open_procfs(0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, 0x0, 0xcebf0216b1cce380, 0x0) r4 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000540)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r4, &(0x7f0000000200)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000240)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r4, &(0x7f0000000100)={0x3, 0x40, 0xfa00, {{}, {0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc]}}, r5}}, 0x48) ioctl$KDGKBENT(r3, 0x4b46, &(0x7f0000000040)={0x3f, 0x8a, 0xfffe}) ioctl$USBDEVFS_IOCTL(r2, 0xc0105512, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nullb0\x00', 0xc0101, 0x0) io_setup(0x101, &(0x7f00000004c0)) io_submit(0x0, 0x0, &(0x7f00000000c0)) dup(0xffffffffffffffff) r6 = socket$netlink(0x10, 0x3, 0x15) recvmmsg(r6, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1556.743335] block nbd4: Device being setup by another task [ 1556.756938] block nbd0: Device being setup by another task [ 1556.771949] block nbd0: Device being setup by another task [ 1556.789210] block nbd4: Device being setup by another task [ 1556.802400] block nbd0: Device being setup by another task 11:01:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) ioctl$VIDIOC_QUERYBUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000000)={0x41, 0x7, 0x4, 0x1000, 0x1f, {0x77359400}, {0x2, 0x2, 0x4, 0x3f, 0x7f, 0x4, "90489c5b"}, 0x0, 0x1, @userptr=0x6, 0x575, 0x0, r0}) bind$pptp(r2, &(0x7f00000000c0)={0x18, 0x2, {0x0, @multicast2}}, 0x1e) close(r0) [ 1556.850103] block nbd0: Device being setup by another task [ 1556.901046] block nbd0: Device being setup by another task [ 1556.925917] FAULT_INJECTION: forcing a failure. [ 1556.925917] name failslab, interval 1, probability 0, space 0, times 0 [ 1556.938009] CPU: 0 PID: 19288 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1556.946012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1556.955369] Call Trace: [ 1556.957966] dump_stack+0x13e/0x194 [ 1556.961607] should_fail.cold+0x10a/0x14b [ 1556.965751] should_failslab+0xd6/0x130 [ 1556.969721] kmem_cache_alloc_node_trace+0x292/0x7b0 [ 1556.974818] ? _raw_spin_unlock_irqrestore+0x67/0xe0 [ 1556.979918] ? _raw_spin_unlock_irqrestore+0xa0/0xe0 [ 1556.985015] __kmalloc_node+0x38/0x70 [ 1556.988826] kvmalloc_node+0x46/0xd0 [ 1556.992536] bucket_table_alloc+0x3b4/0x5c0 [ 1556.996863] rhashtable_init+0x486/0x7f0 [ 1557.000922] ipc_init_ids+0xc2/0x1e0 [ 1557.004633] copy_ipcs+0x313/0x3e0 [ 1557.008256] create_new_namespaces+0x1d4/0x730 [ 1557.012856] copy_namespaces+0x27b/0x310 [ 1557.016927] copy_process.part.0+0x2603/0x6a50 [ 1557.021522] ? get_pid_task+0xb8/0x130 [ 1557.025407] ? save_trace+0x290/0x290 [ 1557.029207] ? __lock_is_held+0xad/0x140 [ 1557.033287] ? __cleanup_sighand+0x40/0x40 [ 1557.037520] ? lock_downgrade+0x6e0/0x6e0 [ 1557.041674] _do_fork+0x180/0xc80 [ 1557.045135] ? fork_idle+0x270/0x270 [ 1557.048841] ? fput+0xb/0x140 [ 1557.051940] ? SyS_write+0x14d/0x210 [ 1557.055822] ? SyS_read+0x210/0x210 [ 1557.059440] ? SyS_clock_settime+0x1a0/0x1a0 [ 1557.063853] ? do_syscall_64+0x4c/0x640 [ 1557.067822] ? sys_vfork+0x20/0x20 [ 1557.071713] do_syscall_64+0x1d5/0x640 [ 1557.075605] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1557.080798] RIP: 0033:0x45c829 [ 1557.083980] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1557.091687] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 11:01:23 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) sendto(r2, &(0x7f00000000c0)="d6cabd254abc23aaad4d19ee7574afcf636af4aa5f654b794b9962be54c187541458ba9994e63c7818a1569a13ba1b08b758456b24f66badc37ed0253f82bd4bdcaba008aa847e835628aad2108d64c8afbd0cc59476589eb54ee035aabd0b6722372e38095a7a5273fc099add5a9e5c6516f18ecdcd10477e4eb993f648eccaab29ce50667ff431b59a2fda2bf13aebe2a91e7b01ca7b6a9715253fa48741c7591b4323223e697b708d22fa8f10", 0xae, 0x40054, 0x0, 0x0) [ 1557.098946] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1557.106214] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1557.113498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1557.120775] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:23 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000000)='htcp\x00', 0x5) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1557.179290] block nbd4: Device being setup by another task [ 1557.220803] block nbd4: Device being setup by another task [ 1557.238041] print_req_error: 344 callbacks suppressed [ 1557.238048] print_req_error: I/O error, dev nbd4, sector 0 [ 1557.249091] buffer_io_error: 362 callbacks suppressed [ 1557.249098] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1557.261500] print_req_error: I/O error, dev nbd4, sector 2 11:01:23 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x1) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/zero\x00', 0x408080, 0x0) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r2, 0x84, 0x1e, &(0x7f0000000300), &(0x7f0000000100)=0x4) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="340000005800000129bd7000fedbdf250008000300", @ANYRES32, @ANYBLOB="0800010002000000080001000100000008000300", @ANYRES32=r2, @ANYBLOB="000000443a50a47856c74500caf5eaa0cfcc307df4e1cf327faad88187c8144ec2cce783db3f1ee3780d8b371bbd"], 0x34}, 0x1, 0x0, 0x0, 0x4048004}, 0xc044) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) accept4$rose(r1, &(0x7f0000000000)=@short={0xb, @remote, @remote, 0x1, @null}, &(0x7f0000000040)=0x1c, 0x80800) timer_create(0x0, &(0x7f0000000080)={0x0, 0x14, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000140)=0x0) timer_settime(r3, 0x0, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) timer_gettime(r3, &(0x7f0000000140)) r4 = socket$kcm(0x29, 0x2, 0x0) ioctl$sock_SIOCSIFVLAN_DEL_VLAN_CMD(r4, 0x8983, &(0x7f00000002c0)={0x1, 'batadv_slave_0\x00', {}, 0x7ff}) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x80601, 0x0) r6 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r7 = socket(0x10, 0x1, 0x2) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r6, 0xab07, 0x437) ioctl$VIDIOC_TRY_EXT_CTRLS(r5, 0xc0205649, &(0x7f0000000280)={0x0, 0x5, 0x100, r6, 0x0, &(0x7f0000000240)={0x98090b, 0x148d, [], @string=&(0x7f0000000200)=0x20}}) [ 1557.267182] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1557.274816] Buffer I/O error on dev nbd4, logical block 2, async page read [ 1557.277470] block nbd0: Device being setup by another task [ 1557.282146] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1557.294993] print_req_error: I/O error, dev nbd4, sector 0 [ 1557.300737] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1557.307875] print_req_error: I/O error, dev nbd4, sector 2 [ 1557.313841] Buffer I/O error on dev nbd4, logical block 1, async page read 11:01:23 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0x5, &(0x7f0000000100)={0x806, 0x1ff}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1557.321058] print_req_error: I/O error, dev nbd4, sector 4 [ 1557.326864] Buffer I/O error on dev nbd4, logical block 2, async page read [ 1557.334064] print_req_error: I/O error, dev nbd4, sector 6 [ 1557.339768] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1557.346977] print_req_error: I/O error, dev nbd4, sector 0 [ 1557.352711] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1557.360328] print_req_error: I/O error, dev nbd4, sector 2 11:01:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) bpf$BPF_BTF_GET_NEXT_ID(0x17, &(0x7f0000000000)={0x7, 0x80000001}, 0xc) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO(r1, 0x80dc5521, &(0x7f00000000c0)=""/120) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1557.365972] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1557.366329] block nbd2: Device being setup by another task [ 1557.373292] print_req_error: I/O error, dev nbd4, sector 4 [ 1557.384600] print_req_error: I/O error, dev nbd4, sector 6 11:01:23 executing program 0: r0 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_mreqn(r0, 0x0, 0x24, &(0x7f00000000c0)={@private, @private}, &(0x7f0000000100)=0xc) r1 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x1, 0x150, r3, 0xd015b000) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/sys/net/ipv4/vs/secure_tcp\x00', 0x2, 0x0) ioctl$TCSETXW(r4, 0x5435, &(0x7f0000000200)={0x500, 0x5, [0x80, 0xffff, 0x8, 0x7, 0x7], 0x7}) accept4$rose(0xffffffffffffffff, &(0x7f0000000140)=@full={0xb, @remote, @bcast, 0x0, [@null, @default, @bcast, @netrom, @null, @bcast]}, &(0x7f0000000180)=0x40, 0x800) ioctl$VIDIOC_ENUM_FMT(r1, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) syz_genetlink_get_family_id$nbd(&(0x7f0000000040)='nbd\x00') 11:01:23 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x7) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) r4 = dup(r3) write$FUSE_NOTIFY_INVAL_ENTRY(r4, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) write$P9_RFSYNC(r4, &(0x7f0000000000)={0x7, 0x33, 0x1}, 0x7) [ 1557.415134] block nbd4: Device being setup by another task [ 1557.506319] block nbd0: Device being setup by another task [ 1557.576912] block nbd0: Device being setup by another task 11:01:23 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) sendto$rxrpc(r2, &(0x7f00000000c0)="cf2d2f8b26decc2b3c5aeed39650cdd4eb70f8643fe1ed1772ce21c3de071a817a78065a7470030d71218027c59bf8cbff85860f2147f0c365a23e64ce9b5695f1120585848e5acf7c182e", 0x4b, 0x4008, &(0x7f0000000040)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x4e23, 0xff, @local, 0x1f}}, 0x24) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0xfcda, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1557.704961] block nbd0: Device being setup by another task [ 1557.734279] block nbd0: Device being setup by another task 11:01:23 executing program 3 (fault-call:12 fault-nth:21): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:23 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) clock_gettime(0x0, &(0x7f0000000000)) recvmmsg(r2, &(0x7f0000002d80), 0x0, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) sendto$inet(r1, &(0x7f00000001c0)="be9ac29332d132a40490aacdf03c2ee702ed8b9d60ddcc043d7896d273311bc90b4935feb70994e3291a48827842b3bed1e455f6a74c9c810ad12de8b427d625e298d51ed589320a8df48b65af6621d5d3379cc55e6abff9e2ee8dfa3185a0ab7ffbb8e2b52d91c89a30b1678741880ea8724d945a1950a96aaa097ab3ded1c299b148910f2988d231369ef2828e4a7ce5ade44578ea1886fb5d8a7305d5243372347323fd6fe0161359a9773b0827e70ce7b9c26f4e56c749e10faba4e84108c9b21918f03f1409010bd1ceb5e504e2326834f527306217dc2c228c5d393a", 0xdf, 0x20000040, 0x0, 0x0) r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) setsockopt$bt_BT_FLUSHABLE(0xffffffffffffffff, 0x112, 0x8, &(0x7f00000002c0)=0x3, 0x4) dup(r4) sendfile(r4, r3, 0x0, 0x1c01) ioctl$ASHMEM_GET_NAME(r3, 0x81007702, &(0x7f00000000c0)=""/196) ioctl$EVIOCGPROP(r3, 0x80404509, &(0x7f0000000040)=""/44) ioctl$VIDIOC_ENUM_FMT(r2, 0xc0405602, &(0x7f0000000080)={0x3, 0xb, 0x2, "7706d4fa33fe2bf030e4592b9f6aa9146ded285bb6ea22064cb0279700", 0x32314d48}) 11:01:23 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x40) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1557.915245] block nbd0: Device being setup by another task [ 1557.959323] block nbd0: Device being setup by another task [ 1558.112567] FAULT_INJECTION: forcing a failure. [ 1558.112567] name failslab, interval 1, probability 0, space 0, times 0 [ 1558.123941] CPU: 1 PID: 19366 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1558.131860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1558.141214] Call Trace: [ 1558.143813] dump_stack+0x13e/0x194 [ 1558.147446] should_fail.cold+0x10a/0x14b [ 1558.152118] should_failslab+0xd6/0x130 [ 1558.156101] kmem_cache_alloc_node_trace+0x292/0x7b0 [ 1558.161214] ? _raw_spin_unlock_irqrestore+0x67/0xe0 [ 1558.166319] ? kasan_kmalloc+0xbf/0xe0 [ 1558.170211] __kmalloc_node+0x38/0x70 [ 1558.174008] kvmalloc_node+0x46/0xd0 [ 1558.177723] bucket_table_alloc+0x14f/0x5c0 [ 1558.182058] rhashtable_init+0x486/0x7f0 [ 1558.186132] ipc_init_ids+0xc2/0x1e0 [ 1558.189846] copy_ipcs+0x313/0x3e0 [ 1558.193386] create_new_namespaces+0x1d4/0x730 [ 1558.197970] copy_namespaces+0x27b/0x310 [ 1558.202028] copy_process.part.0+0x2603/0x6a50 [ 1558.206626] ? get_pid_task+0xb8/0x130 [ 1558.210507] ? save_trace+0x290/0x290 [ 1558.214388] ? __lock_is_held+0xad/0x140 [ 1558.218452] ? __cleanup_sighand+0x40/0x40 [ 1558.222677] ? lock_downgrade+0x6e0/0x6e0 [ 1558.226845] _do_fork+0x180/0xc80 [ 1558.230310] ? fork_idle+0x270/0x270 [ 1558.234035] ? fput+0xb/0x140 [ 1558.237135] ? SyS_write+0x14d/0x210 [ 1558.240970] ? SyS_read+0x210/0x210 [ 1558.244601] ? SyS_clock_settime+0x1a0/0x1a0 [ 1558.249008] ? do_syscall_64+0x4c/0x640 [ 1558.252984] ? sys_vfork+0x20/0x20 [ 1558.256522] do_syscall_64+0x1d5/0x640 [ 1558.260412] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1558.265602] RIP: 0033:0x45c829 [ 1558.268794] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1558.276500] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1558.283766] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1558.291044] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1558.298316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1558.305593] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:24 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) lsetxattr$trusted_overlay_opaque(&(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='trusted.overlay.opaque\x00', &(0x7f0000000100)='y\x00', 0x2, 0x2) mkdir(&(0x7f0000000140)='./file0\x00', 0x1d8) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:24 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x200300, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000200)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x4, 0x0, 0x0, 0x10a80, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = gettid() ptrace$setopts(0x4206, r1, 0x0, 0x0) tkill(r1, 0x15) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r1, 0x0, 0x0) ptrace$setregset(0x4205, r1, 0x1, &(0x7f0000000000)={&(0x7f00000000c0)="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", 0xfe}) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 11:01:26 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x18, 0xa, 0x9, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x88000) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$radio(&(0x7f0000000000)='/dev/radio#\x00', 0x2, 0x2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x437) r5 = syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x4400) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) r7 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) r8 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r8, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:26 executing program 0: openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r0 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm_plock\x00', 0x600000, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$USBDEVFS_GETDRIVER(r2, 0x41045508, &(0x7f00000000c0)={0x4, "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"}) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0xc, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797", 0x34325842}) 11:01:26 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x5, 0x0, 0x0, 0xff, 0x0, 0x0, 0x0, 0x9, 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, 0x80000002, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:26 executing program 3 (fault-call:12 fault-nth:22): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:26 executing program 0: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000080)) r1 = dup(r0) write$FUSE_NOTIFY_INVAL_ENTRY(r1, &(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x12) socket$nl_xfrm(0x10, 0x3, 0x6) ioctl$KVM_S390_VCPU_FAULT(r1, 0x4008ae52, &(0x7f00000001c0)=0x1) r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r2, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) ioctl$VIDIOC_G_EXT_CTRLS(r2, 0xc0205647, &(0x7f0000000100)={0xa10000, 0x101, 0x200, 0xffffffffffffffff, 0x0, &(0x7f00000000c0)={0xa20929, 0x10001, [], @string=&(0x7f0000000040)}}) ioctl$VIDIOC_TRY_DECODER_CMD(r3, 0xc0485661, &(0x7f0000000140)={0x0, 0x1, @start={0x45, 0x1}}) [ 1560.351242] block nbd1: Device being setup by another task [ 1560.372798] block nbd1: Device being setup by another task [ 1560.389396] block nbd1: Device being setup by another task [ 1560.529903] FAULT_INJECTION: forcing a failure. [ 1560.529903] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1560.541825] CPU: 0 PID: 19406 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1560.549728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1560.559112] Call Trace: [ 1560.561728] dump_stack+0x13e/0x194 [ 1560.565378] should_fail.cold+0x10a/0x14b [ 1560.569544] __alloc_pages_nodemask+0x1bf/0x700 [ 1560.574363] ? rcu_read_lock_sched_held+0x10a/0x130 [ 1560.579386] ? __alloc_pages_slowpath+0x26c0/0x26c0 [ 1560.584421] alloc_pages_current+0xe7/0x1e0 [ 1560.588748] ? __lockdep_init_map+0x100/0x560 [ 1560.593255] __get_free_pages+0xb/0x40 [ 1560.597137] mount_fs+0x1c7/0x2a0 [ 1560.600605] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1560.605101] kern_mount_data+0x51/0xb0 [ 1560.609003] mq_init_ns+0x15e/0x210 [ 1560.612629] copy_ipcs+0x345/0x3e0 [ 1560.616180] create_new_namespaces+0x1d4/0x730 [ 1560.620761] copy_namespaces+0x27b/0x310 [ 1560.624833] copy_process.part.0+0x2603/0x6a50 [ 1560.629435] ? get_pid_task+0xb8/0x130 [ 1560.633322] ? save_trace+0x290/0x290 [ 1560.637119] ? __lock_is_held+0xad/0x140 [ 1560.641197] ? __cleanup_sighand+0x40/0x40 [ 1560.645424] ? lock_downgrade+0x6e0/0x6e0 [ 1560.649663] _do_fork+0x180/0xc80 [ 1560.653129] ? fork_idle+0x270/0x270 [ 1560.656840] ? fput+0xb/0x140 [ 1560.659948] ? SyS_write+0x14d/0x210 [ 1560.663666] ? SyS_read+0x210/0x210 [ 1560.667297] ? SyS_clock_settime+0x1a0/0x1a0 [ 1560.671789] ? do_syscall_64+0x4c/0x640 [ 1560.675772] ? sys_vfork+0x20/0x20 [ 1560.679304] do_syscall_64+0x1d5/0x640 [ 1560.683195] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1560.688378] RIP: 0033:0x45c829 [ 1560.691560] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1560.699288] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1560.706565] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1560.713834] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1560.721099] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 11:01:26 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6a85146ded0a5bb60100064cb06797", 0x7b170229}) 11:01:26 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(r0, &(0x7f0000000100)='pagemap\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0xec) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x8000000, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1560.728363] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:26 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) bind$isdn_base(r2, &(0x7f0000000040)={0x22, 0x0, 0x9, 0x5, 0xe0}, 0x6) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = socket$nl_route(0x10, 0x3, 0x0) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$netlink(0x10, 0x3, 0x0) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r7, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r9, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r6, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r9, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r9, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) sendmsg$TCPDIAG_GETSOCK(r4, &(0x7f0000002500)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000024c0)={&(0x7f0000000100)={0x239c, 0x12, 0x100, 0x70bd29, 0x25dfdbfb, {0x1d, 0x7, 0x6, 0x4, {0x4e23, 0x4e20, [0x5, 0xb1e2, 0x1000, 0x9], [0x7, 0x1, 0xffffffff, 0x6], r9, [0x20, 0xffffffff]}, 0x6, 0x3}, [@INET_DIAG_REQ_BYTECODE={0x8e, 0x1, "c749658a52b7e7619388ec96bd0a8130206b3fad51e0062d6a95a25c1b94166ab36f5d3963377d6d2735734f8eaf04534cca3a82c3de47e7a36f62627f2a40050d1ee6487e609529de49575a91ddc8234868ce118da9e988d177d46fd30777ec1e32da81c8c1e96a3fbf65200ac5816f3627fcaac36a5acf856b79558b8daf816f9e5965a29849951ce7"}, @INET_DIAG_REQ_BYTECODE={0x3c, 0x1, "f9e5c9e77abb5cdc5a74b27212108da7a81e454ab753a42c300d22c078c318ea0557f816d353b2c0d0cd5cb3d04bbec0fbdfcd8791200cab"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "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"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"}, @INET_DIAG_REQ_BYTECODE={0x94, 0x1, "4953c1cd43609063eacb453588c30e9a5efad9cb699972566f3d67fbb68129803fa12d31c09fc13fc0f9719de3be550b5dcbfd60d35d29d4da269d7c94d61448c4f76675979222e40cf164f2fa48fa79c93c7a24862214aa3c9a8edb35e1712b1bb9b3299f9e11cd1e1280888cda6667bc99ec7a6a1ea8a377939205ae33c083c8c6fc623ec5d81587ee217d9b4bcde1"}]}, 0x239c}, 0x1, 0x0, 0x0, 0x20004080}, 0x4000800) [ 1560.903849] block nbd0: Device being setup by another task [ 1560.914180] block nbd0: Device being setup by another task [ 1561.013952] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 11:01:27 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt(r1, 0x9, 0x100, &(0x7f00000000c0)=""/207, &(0x7f00000001c0)=0xcf) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) getsockopt$EBT_SO_GET_INIT_INFO(0xffffffffffffffff, 0x0, 0x82, &(0x7f0000000200)={'nat\x00'}, &(0x7f0000000280)=0x78) 11:01:27 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) dup(r3) sendfile(r3, r2, 0x0, 0x1c01) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$SNDCTL_DSP_SPEED(0xffffffffffffffff, 0xc0045002, &(0x7f0000000080)) dup(0xffffffffffffffff) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x1c01) ioctl$VIDIOC_SUBDEV_G_DV_TIMINGS(0xffffffffffffffff, 0xc0845658, &(0x7f0000000280)={0x0, @bt={0x3ff, 0x4, 0x1, 0x2, 0x0, 0xc5ad, 0x5, 0xffff, 0x81, 0x4, 0x3, 0x7fffffff, 0xc6, 0x2, 0x8, 0xb, {0x7e, 0x4}}}) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = accept4$unix(r5, &(0x7f00000001c0), &(0x7f0000000340)=0x6e, 0x180800) epoll_ctl$EPOLL_CTL_MOD(r2, 0x3, r6, &(0x7f0000000240)={0x8}) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r7) ioctl$PPPIOCGL2TPSTATS(r7, 0x80487436, &(0x7f00000000c0)="9b4889b8566f0c556c40570aa8c7e2432e4649aa5b2721ce4821abd28251ce94c53b8268d5c8879d6fbfff3758a626be41afdd600a2c7bd78cbe8c83bdae313b4d72138fce100845df8a6db5c04609136ea19b600a874c7d8bb5dfe9d55aadb6b74242bda87ce28831561e994f8f567e3afa37c610fc3b4a5fc15085d89c43eaf80cada52209830cf4bdf0441a1aa483207cd9c44fd33c9b3b2b49b081c2b48e3bf1a4fcb86436f88be471e4f9b76aff9d5cb6af68d62e541476eb3b515668a827762966b58354f0abf57e07135f6f7582d93759264c394bc7cfd7d1835e87b9416d18f338fc20f90a603054d17da43288") 11:01:27 executing program 3 (fault-call:12 fault-nth:23): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) [ 1561.341104] block nbd0: Device being setup by another task [ 1561.361541] block nbd0: Device being setup by another task [ 1561.396289] block nbd0: Device being setup by another task [ 1561.424044] block nbd0: Device being setup by another task [ 1561.562917] FAULT_INJECTION: forcing a failure. [ 1561.562917] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1561.574906] CPU: 1 PID: 19434 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1561.582803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1561.592588] Call Trace: [ 1561.595178] dump_stack+0x13e/0x194 [ 1561.598806] should_fail.cold+0x10a/0x14b [ 1561.602952] __alloc_pages_nodemask+0x1bf/0x700 [ 1561.607620] ? __alloc_pages_slowpath+0x26c0/0x26c0 [ 1561.612631] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1561.618078] ? __alloc_pages_nodemask+0x5e0/0x700 [ 1561.622923] alloc_pages_current+0xe7/0x1e0 [ 1561.627252] __get_free_pages+0xb/0x40 [ 1561.631149] selinux_sb_copy_data+0x28/0x380 [ 1561.635559] security_sb_copy_data+0x6e/0xa0 [ 1561.639971] mount_fs+0x1e7/0x2a0 [ 1561.643433] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1561.647922] kern_mount_data+0x51/0xb0 [ 1561.651817] mq_init_ns+0x15e/0x210 [ 1561.655454] copy_ipcs+0x345/0x3e0 [ 1561.658989] create_new_namespaces+0x1d4/0x730 [ 1561.664542] copy_namespaces+0x27b/0x310 [ 1561.668613] copy_process.part.0+0x2603/0x6a50 [ 1561.673212] ? get_pid_task+0xb8/0x130 [ 1561.677095] ? save_trace+0x290/0x290 [ 1561.680888] ? __lock_is_held+0xad/0x140 [ 1561.684966] ? __cleanup_sighand+0x40/0x40 [ 1561.689199] ? lock_downgrade+0x6e0/0x6e0 [ 1561.693344] _do_fork+0x180/0xc80 [ 1561.696795] ? fork_idle+0x270/0x270 [ 1561.700503] ? fput+0xb/0x140 [ 1561.703598] ? SyS_write+0x14d/0x210 [ 1561.707331] ? SyS_read+0x210/0x210 [ 1561.710956] ? SyS_clock_settime+0x1a0/0x1a0 [ 1561.715362] ? do_syscall_64+0x4c/0x640 [ 1561.719329] ? sys_vfork+0x20/0x20 [ 1561.722874] do_syscall_64+0x1d5/0x640 [ 1561.726786] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1561.731980] RIP: 0033:0x45c829 [ 1561.735169] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1561.742872] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1561.750136] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1561.757417] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1561.764733] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1561.772020] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:29 executing program 2: pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) tee(r1, r0, 0x8, 0x0) ioctl$sock_rose_SIOCDELRT(r2, 0x890c, &(0x7f0000000140)={@remote={0xcc, 0xcc, 0xcc, 0xcc, 0x1}, 0x401, @null, @rose={'rose', 0x0}, 0x5, [@null, @bcast, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @bcast, @bcast]}) close(r0) vmsplice(r2, &(0x7f0000001200)=[{&(0x7f0000000000)="06", 0x1}], 0x1, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r3, 0xab02, 0x0) 11:01:29 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x4a8600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:29 executing program 3 (fault-call:12 fault-nth:24): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:29 executing program 1: getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(0xffffffffffffffff, 0x6, 0x23, &(0x7f0000000040)={&(0x7f0000ffc000/0x3000)=nil, 0x3000}, &(0x7f00000001c0)=0x10) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socket$nl_xfrm(0x10, 0x3, 0x6) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x1, 0x5, &(0x7f0000000280)=ANY=[@ANYBLOB="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"], &(0x7f0000000140)='GPL\x00'}, 0x48) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000100)={r3, 0xc0, &(0x7f0000001580)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, 0x10) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000a80)={r4}, 0xc) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000000)={r4}, 0xc) r5 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) setsockopt$RXRPC_SECURITY_KEY(r6, 0x110, 0x1, &(0x7f0000000200)='#cpuset]\x00', 0x9) [ 1563.637705] FAULT_INJECTION: forcing a failure. [ 1563.637705] name failslab, interval 1, probability 0, space 0, times 0 [ 1563.649198] CPU: 0 PID: 19462 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1563.657098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1563.666450] Call Trace: [ 1563.669041] dump_stack+0x13e/0x194 [ 1563.672667] should_fail.cold+0x10a/0x14b [ 1563.676831] ? mqueue_get_inode+0xaf0/0xaf0 [ 1563.681145] should_failslab+0xd6/0x130 [ 1563.685119] kmem_cache_alloc_trace+0x2db/0x7b0 [ 1563.689788] ? lock_downgrade+0x6e0/0x6e0 [ 1563.693940] ? mqueue_get_inode+0xaf0/0xaf0 [ 1563.698268] sget_userns+0x102/0xc30 [ 1563.701984] ? get_empty_filp.cold+0x37/0x37 [ 1563.707095] ? set_anon_super+0x20/0x20 [ 1563.711116] ? mqueue_get_inode+0xaf0/0xaf0 [ 1563.715440] mount_ns+0x65/0x180 [ 1563.718806] mount_fs+0x92/0x2a0 [ 1563.722616] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1563.727123] kern_mount_data+0x51/0xb0 [ 1563.731020] mq_init_ns+0x15e/0x210 [ 1563.734641] copy_ipcs+0x345/0x3e0 [ 1563.738182] create_new_namespaces+0x1d4/0x730 [ 1563.742773] copy_namespaces+0x27b/0x310 [ 1563.746832] copy_process.part.0+0x2603/0x6a50 [ 1563.751412] ? get_pid_task+0xb8/0x130 [ 1563.755308] ? save_trace+0x290/0x290 [ 1563.759118] ? __lock_is_held+0xad/0x140 [ 1563.763287] ? __cleanup_sighand+0x40/0x40 [ 1563.767524] ? lock_downgrade+0x6e0/0x6e0 [ 1563.771700] _do_fork+0x180/0xc80 [ 1563.775156] ? fork_idle+0x270/0x270 [ 1563.778864] ? fput+0xb/0x140 [ 1563.781963] ? SyS_write+0x14d/0x210 [ 1563.785672] ? SyS_read+0x210/0x210 [ 1563.789297] ? SyS_clock_settime+0x1a0/0x1a0 [ 1563.793720] ? do_syscall_64+0x4c/0x640 [ 1563.797691] ? sys_vfork+0x20/0x20 [ 1563.801241] do_syscall_64+0x1d5/0x640 [ 1563.805128] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1563.810309] RIP: 0033:0x45c829 [ 1563.813486] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1563.821201] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1563.828468] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1563.835749] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1563.843029] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1563.850307] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:29 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x2) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0xa, 0x7f) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x4a, 0x2, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:29 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0xa, 0xc31, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) getresgid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) r1 = dup(r0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) getsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000100)=@assoc_value={0x0}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f00000001c0)={0xb2ef, 0x9, 0x0, 0x1, 0x81, 0x20, 0x101, 0x40, r4}, &(0x7f0000000200)=0x20) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r5 = syz_open_dev$swradio(&(0x7f0000000000)='/dev/swradio#\x00', 0x1, 0x2) close(r5) r6 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r6, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:30 executing program 3 (fault-call:12 fault-nth:25): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:30 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/zero\x00', 0xc003, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket$nl_route(0x10, 0x3, 0x0) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r8, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r8, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r8, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) bind$can_raw(r3, &(0x7f0000000100)={0x1d, r8}, 0x10) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1564.176018] block nbd1: Device being setup by another task [ 1564.284874] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1564.364991] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1564.397272] FAULT_INJECTION: forcing a failure. [ 1564.397272] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1564.409138] CPU: 1 PID: 19500 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1564.417014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1564.426363] Call Trace: [ 1564.428951] dump_stack+0x13e/0x194 [ 1564.432576] should_fail.cold+0x10a/0x14b [ 1564.436732] __alloc_pages_nodemask+0x1bf/0x700 [ 1564.441394] ? trace_hardirqs_on+0x10/0x10 [ 1564.445623] ? lock_acquire+0x170/0x3f0 [ 1564.449590] ? __alloc_pages_slowpath+0x26c0/0x26c0 [ 1564.454604] ? find_held_lock+0x2d/0x110 [ 1564.458670] cache_grow_begin+0x7b/0x410 [ 1564.462740] kmem_cache_alloc_trace+0x6cf/0x7b0 [ 1564.467407] ? mqueue_get_inode+0xaf0/0xaf0 [ 1564.471736] sget_userns+0x102/0xc30 [ 1564.475457] ? get_empty_filp.cold+0x37/0x37 [ 1564.479858] ? set_anon_super+0x20/0x20 [ 1564.483823] ? mqueue_get_inode+0xaf0/0xaf0 [ 1564.488145] mount_ns+0x65/0x180 [ 1564.491504] mount_fs+0x92/0x2a0 [ 1564.494959] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1564.499448] kern_mount_data+0x51/0xb0 [ 1564.503333] mq_init_ns+0x15e/0x210 [ 1564.506962] copy_ipcs+0x345/0x3e0 [ 1564.510496] create_new_namespaces+0x1d4/0x730 [ 1564.515073] copy_namespaces+0x27b/0x310 [ 1564.519128] copy_process.part.0+0x2603/0x6a50 [ 1564.523709] ? get_pid_task+0xb8/0x130 [ 1564.527603] ? save_trace+0x290/0x290 [ 1564.531419] ? __lock_is_held+0xad/0x140 [ 1564.535491] ? __cleanup_sighand+0x40/0x40 [ 1564.539725] ? lock_downgrade+0x6e0/0x6e0 [ 1564.543878] _do_fork+0x180/0xc80 [ 1564.547345] ? fork_idle+0x270/0x270 [ 1564.551053] ? fput+0xb/0x140 [ 1564.554148] ? SyS_write+0x14d/0x210 [ 1564.558286] ? SyS_read+0x210/0x210 [ 1564.561907] ? SyS_clock_settime+0x1a0/0x1a0 [ 1564.566306] ? do_syscall_64+0x4c/0x640 [ 1564.570270] ? sys_vfork+0x20/0x20 [ 1564.573802] do_syscall_64+0x1d5/0x640 [ 1564.577687] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1564.582870] RIP: 0033:0x45c829 [ 1564.586054] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1564.593757] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1564.601019] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1564.608290] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1564.615551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1564.622817] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:30 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) dup(r1) sendfile(r1, r0, 0x0, 0x1c01) mkdirat(r0, &(0x7f0000000200)='./file0\x00', 0x195) socketpair(0xf, 0x5, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_open_procfs(0x0, &(0x7f0000000000)='net\x00') r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$IPVS_CMD_GET_CONFIG(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="24010000", @ANYRES16=r4, @ANYBLOB="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"], 0x124}, 0x1, 0x0, 0x0, 0x40004}, 0x4000080) r5 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = socket$netlink(0x10, 0x3, 0x0) ioctl$EVIOCGKEYCODE_V2(r3, 0x80284504, &(0x7f0000000140)=""/1) recvmmsg(r6, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r7 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/self/net/pfkey\x00', 0x12000, 0x0) ioctl$LOOP_CLR_FD(r7, 0x4c01) 11:01:30 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x28451ce340e98c06, 0x26, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socket$netlink(0x10, 0x3, 0x0) epoll_create(0x800) 11:01:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = creat(&(0x7f0000000000)='./file0\x00', 0x80) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x1, 0x84) r4 = dup3(r2, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r4, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x6c, &(0x7f000059aff8)={r5}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000040)={r5, 0x2, 0x6d88, 0x0, 0x7, 0xda06}, &(0x7f00000000c0)=0x14) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 11:01:30 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) ioctl$VIDIOC_SUBDEV_S_FMT(r1, 0xc0585605, &(0x7f00000000c0)={0x0, 0x0, {0x7, 0x4ace909, 0x100c, 0x9, 0x4, 0x7, 0x0, 0x2}}) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x80006, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) write$FUSE_NOTIFY_INVAL_ENTRY(0xffffffffffffffff, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) r5 = openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r5, &(0x7f0000000200)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000240)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r5, &(0x7f0000000100)={0x3, 0x40, 0xfa00, {{}, {0xa, 0x0, 0x0, @remote}, r6}}, 0x48) write$RDMA_USER_CM_CMD_QUERY(0xffffffffffffffff, &(0x7f0000000280)={0x13, 0x10, 0xfa00, {&(0x7f0000000480), r6, 0x1}}, 0x18) r7 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000200)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_ADD(r7, &(0x7f0000000380)={&(0x7f0000000080), 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="18004f8c", @ANYRES16=r8, @ANYBLOB="020029bd7000fedbdf250100000008000c0000000000"], 0x1c}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r4, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)=ANY=[@ANYBLOB="fa97675ceaa475e04efc465dba7cbaf577d9ad9d1131b3f16d670b2bdaf4", @ANYRES16=r8, @ANYBLOB="10002abd7000fbdbdf2501000000060001002f0000000800040003000000170001007573657270707031766d6e65743075736572000014000500ff01000000000000000000000000000108000700e000000106000b0000000000"], 0x60}, 0x1, 0x0, 0x0, 0xd0}, 0x20000000) 11:01:30 executing program 3 (fault-call:12 fault-nth:26): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:30 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000080)) r1 = dup(r0) write$FUSE_NOTIFY_INVAL_ENTRY(r1, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$sock_kcm_SIOCKCMATTACH(0xffffffffffffffff, 0x89e0, &(0x7f0000000100)={0xffffffffffffffff, r1}) socketpair(0x2, 0x5, 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) dup(r3) sendfile(r3, r2, 0x0, 0x1c01) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r2, 0x54a3) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ocfs2_control\x00', 0x14040, 0x0) getsockopt$inet_sctp_SCTP_AUTOCLOSE(r6, 0x84, 0x4, &(0x7f0000000040), &(0x7f00000000c0)=0x4) r7 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r7, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1564.979130] block nbd0: Device being setup by another task 11:01:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0xc0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$tipc(&(0x7f00000003c0)='TIPC\x00') sendmsg$TIPC_CMD_ENABLE_BEARER(r2, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000080)={0x3c, r3, 0x1, 0x0, 0x0, {{}, {0x0, 0x6}, {0x20, 0x17, {0x0, 0x0, @l2={'eth', 0x3a, 'lo\x00'}}}}}, 0x71}}, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000180)={0x10004, 0x1, 0x5000, 0x1000, &(0x7f0000ffc000/0x1000)=nil}) sendmsg$TIPC_CMD_SHOW_PORTS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r3, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x2000c084) write$P9_RLOPEN(r1, &(0x7f00000001c0)={0x18, 0xd, 0x2, {{0x4, 0x3, 0x2}, 0x7}}, 0x18) [ 1565.019370] block nbd0: Device being setup by another task 11:01:31 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x4, 0x0, "2b9f61a9146ded0a5bb6ea22064cb0679700", 0x20363159}) utime(&(0x7f0000000240)='./file0\x00', &(0x7f0000000280)={0x9, 0x2}) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) faccessat(r1, &(0x7f0000000200)='./file0\x00', 0xa, 0x500) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) ioctl$VIDIOC_ENUM_FRAMEINTERVALS(r1, 0xc034564b, &(0x7f0000000040)={0x1f, 0x20323159, 0x89, 0x6f, 0x3, @discrete={0x0, 0xfffffffe}}) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) sendmsg$RDMA_NLDEV_CMD_RES_CQ_GET(r4, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x20, 0x140c, 0x1, 0x70bd28, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x4050}, 0x1) 11:01:31 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r3 = gettid() ptrace$setopts(0x4206, r3, 0x0, 0x0) tkill(r3, 0x15) ptrace$setregs(0xd, r3, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r3, 0x0, 0x0) process_vm_readv(r3, &(0x7f0000000300)=[{&(0x7f0000000000)=""/222, 0xde}, {&(0x7f0000000100)=""/81, 0x51}, {&(0x7f00000001c0)=""/11, 0xb}, {&(0x7f0000000200)=""/41, 0x29}, {&(0x7f0000000280)=""/71, 0x47}], 0x5, &(0x7f0000000440)=[{&(0x7f0000000380)=""/192, 0xc0}], 0x1, 0x0) [ 1565.166653] FAULT_INJECTION: forcing a failure. [ 1565.166653] name failslab, interval 1, probability 0, space 0, times 0 [ 1565.178385] CPU: 1 PID: 19541 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1565.186450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1565.195807] Call Trace: [ 1565.198408] dump_stack+0x13e/0x194 [ 1565.202047] should_fail.cold+0x10a/0x14b [ 1565.206211] should_failslab+0xd6/0x130 [ 1565.210202] __kmalloc+0x2e9/0x7c0 [ 1565.211830] block nbd0: Device being setup by another task [ 1565.213742] ? __list_lru_init+0x56/0x650 [ 1565.223618] ? __list_lru_init+0x67/0x650 [ 1565.227784] __list_lru_init+0x67/0x650 [ 1565.231773] sget_userns+0x4e4/0xc30 [ 1565.235492] ? get_empty_filp.cold+0x37/0x37 [ 1565.239911] ? set_anon_super+0x20/0x20 [ 1565.243889] ? mqueue_get_inode+0xaf0/0xaf0 [ 1565.248212] mount_ns+0x65/0x180 [ 1565.251607] mount_fs+0x92/0x2a0 [ 1565.254986] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1565.259492] kern_mount_data+0x51/0xb0 [ 1565.263395] mq_init_ns+0x15e/0x210 [ 1565.267031] copy_ipcs+0x345/0x3e0 [ 1565.270586] create_new_namespaces+0x1d4/0x730 [ 1565.275178] copy_namespaces+0x27b/0x310 [ 1565.279272] copy_process.part.0+0x2603/0x6a50 [ 1565.283870] ? get_pid_task+0xb8/0x130 [ 1565.287771] ? save_trace+0x290/0x290 [ 1565.291578] ? __lock_is_held+0xad/0x140 [ 1565.295658] ? __cleanup_sighand+0x40/0x40 [ 1565.299898] ? lock_downgrade+0x6e0/0x6e0 [ 1565.304056] _do_fork+0x180/0xc80 [ 1565.307524] ? fork_idle+0x270/0x270 [ 1565.311248] ? fput+0xb/0x140 [ 1565.314354] ? SyS_write+0x14d/0x210 [ 1565.318070] ? SyS_read+0x210/0x210 [ 1565.321760] ? SyS_clock_settime+0x1a0/0x1a0 [ 1565.326180] ? do_syscall_64+0x4c/0x640 [ 1565.330252] ? sys_vfork+0x20/0x20 [ 1565.333809] do_syscall_64+0x1d5/0x640 [ 1565.337735] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1565.342933] RIP: 0033:0x45c829 [ 1565.346119] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1565.353836] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 11:01:31 executing program 5: perf_event_open(0x0, 0x0, 0x2, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x1) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x2, 0x3, 0x0, 0x6, 0x0, 0xfffffffffffeffff}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sendmmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000006d80)=[{&(0x7f0000000140)=@in={0x2, 0x4e24, @initdev={0xac, 0x1e, 0x1, 0x0}}, 0x10, &(0x7f0000000680)=[{&(0x7f0000000180)="ffb80e4e82b91e1d614d810c9b0bc922092b45e3", 0x14}, {&(0x7f0000000200)="cff4817acae9cba27f45d1c2d4d1570a0ca2ce70efef6fe5cef4ea716b57df4ab115cb1cdc6719483365be56d57373891bf2b0fdd35af0454eb85199fcffff2378b527b6d510f049df61ec2bd6ba4e5b79bef65a6c3a90e4de143773374548c3acdc5a888a77cb5459278246852e662217cb700b772ee5366c0d534c14a7643562546121a3d72134f45dd9c02b4b5555a3857d4bd5aabf127988ad79340dc4e59cd4854f7f3bf13a8310d7f7e0d66ed261022ea5", 0xb4}, {&(0x7f0000000340)="29713b36952643fa3e9eda60feaeeea8c30198851d97521cfb06b1342454d93c8f91bff753b0844d470709be597a5c39ea3f4d030c522f148d7bea5f6b03c7d2136dfc43f8d9565934820357dc126fcf3311d779eeedcfecefd0efcf1709acf8c2a3d7a51a05884e9b7f28892e5701442d4a3e01ddf3bedfa450d1b7b7", 0x7d}, {&(0x7f00000003c0)="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", 0xff}, {&(0x7f00000004c0)="5d1016c05735651634c193dc21ae14a5366dfd09135ce1c3dc840b4054c976563667e83454140f361c103432a3f3c524e052197a72d5440fa83762f485d5b9b03dc0212bbd9e5c96f2a33a62e513b45adfd9d75dcd51cc9465efe8c4721184bed0f7cddfc3438f9581c929d225bcc8655b120705f98815d908c23984253603af6e860b432d3f35c4d3ab30", 0x8b}, {&(0x7f0000000580)="3e218b1bfee127bd844d4748dd4b2ef044bd1e6b491a4848aea9a0a6964ed190d9ce122e38e373b9e1dc44a7377af8211753d05baf1d85264dd35982479fe61414de196e941e1cce8333e66d8c24cf8df95fc5e6d48fc749db1e5d8aafa1832950", 0x61}, {&(0x7f0000000600)="e872bc80593e490b5af0bc2c179419d778c6bc3e52693e990550ffa06b4f8e696346d4e4b15076a0c55bae351c10e82e46546348dfe51bb9967b0f87db4ecf2454b82144e5ff063419e02b65979dcafb58a1c90d556c99d78e6338b21ff8b21bb3df0a61ee2d4ea9e84c618a901309663316222fe1ce930a38e8", 0x7a}], 0x7, &(0x7f0000000700)=[@prinfo={0x18, 0x84, 0x5, {0x10, 0x3f}}, @sndinfo={0x20, 0x84, 0x2, {0x1, 0x4, 0x772, 0xc0000000}}, @dstaddrv4={0x18, 0x84, 0x7, @multicast2}], 0x50, 0x2400c080}, {&(0x7f00000002c0)=@in6={0xa, 0x4e23, 0xff, @initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x2}, 0x1c, &(0x7f0000000a80)=[{&(0x7f0000000780)="61fece81dfe200fa9c119b86bb69c684a589550808938d84a1860cd3d6781f6533a30a214a308d87d6ba673b92c62c183060f75eed0be85b51a9cbdde69eb9b455d5ee86fdb83ce42ef3fbfb78a6671c21512f4773c624cb16e3d9b71b319d2f1beb8d6ffa8f99f912659a769031ce8e473c6227d2fbe448d945405460b1d089f07c3a25e638b449c024a2b9769aa72f2542781fcede1ffb539dac87b4575bd72fcdf4dd04994d7a26e431721e9671be", 0xb0}, {&(0x7f0000000840)="0b25fd1200a85008140772bf1afd16f6aca49e1f95f926a6d42f078e6bce0b78f92f49f1d42ca501f4fed36bdb412a62cdc5767153d4d757b141749bb190e8d5266ffba3b468583d215a013caddbb98937a0a097ab61a0193894ce916d51fff3105ff22bddd804588d22a5b7f9", 0x6d}, {&(0x7f0000000900)="09ee47ced2b68b69796feba958d3dd8dde5cc05416b16dd4368de302a8bd47d70c6fc02294ea1153e6735af0febe39f0976bce838e3617181ecf3149fe338c029923306a917423c63c36ac55b12d69c79efd47e8a8da95da534b1b9615a4ebeb53f7ace710d89ffcbc703e67621f", 0x6e}, {&(0x7f0000000980)="7c7ba32dd19ae6ea5f546f199341d4ca8f728f777b5f83812da29b225d9d89331750dfb04bf74746e7347814ae15dda0110bda8a84fcc9ebe3a7e0a86f142c84cb7ffda0088ee437f5cbe3f6f679ee63859e9e98fb820c30e1f83ff9060948c1958bff725a36ea8cb82e0022052d385ac1d9e0e6f977978924303b1d4fd476cd1c2f44c8261afdd1ba55ecfce37e8e490935ce6076466b7c4290bc4195050657ffee4f046e705d610c3b489e788e420ee5f1d07f775f4bfb301ca8bc10a7e3419dc5865b", 0xc4}, 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{&(0x7f0000005ac0)="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0x1000}, {&(0x7f0000006ac0)="aaf77def4920be06df9014d67c80dc51e10fb66a1366f35fe36abd1fb16347783d8dafd8ff987205bf7c9fd06181004e2e5d5cc9e0e21b71f54bece5ecfbeca3dad59beefcb856d8fe5241a692bcb08a4bbf07a7401bf12397ffc8dfd140dea46d5c", 0x62}], 0x3, &(0x7f0000006c80)=[@authinfo={0x18, 0x84, 0x6, {0x60}}, @authinfo={0x18, 0x84, 0x6, {0x5}}, @dstaddrv4={0x18, 0x84, 0x7, @private=0xa010101}, @init={0x18, 0x84, 0x0, {0x5, 0x9, 0x8, 0x2e}}, @dstaddrv4={0x18, 0x84, 0x7, @local}, @init={0x18, 0x84, 0x0, {0xee, 0x3, 0x2, 0x86f6}}, @init={0x18, 0x84, 0x0, {0x2, 0x1, 0x7, 0x8}}, @prinfo={0x18, 0x84, 0x5, {0x0, 0x6}}, @sndrcv={0x30, 0x84, 0x1, {0x3, 0xca, 0x6, 0x3, 0x200, 0xffff, 0x3, 0x8000}}], 0xf0, 0x100}], 0x7, 0x80) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(0xffffffffffffffff, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:31 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000040)={0x4, 0x1, 0x2, "17cf77a37706d4fa0fe4592b9f6aa9146dedff5bb6ea22064cb0679700", 0x20363059}) 11:01:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$audion(&(0x7f0000000180)='/dev/audio#\x00', 0x1ff, 0x400040) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x2) r2 = syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm_plock\x00', 0x8000, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) setsockopt$inet_tcp_buf(0xffffffffffffffff, 0x6, 0xe, &(0x7f00000002c0)="3b183bb0488b68edfc3b18b406f666f74f56ab4bc27d2c71d412fc11b02673d3cd4467c8688096b72a7ec3a82db95080093dd508d72265f095c7efa74dfc9bae61e803b47e054f60594b5013c3fdc057a6b9bd78e95e01bc478bf2dc7e19a55ad84aa309a4ceb924140b68f6d41b6087ea67e2d0806368828652be572dfd03701bdb73779e971c91f3a0ebfb3747f6c5c6cce25ef32242bf9368ecb2b646e51a6571d0e3", 0xa4) r5 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) r7 = dup(r6) creat(&(0x7f00000055c0)='./file0\x00', 0x100) r8 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r9, 0xc0045002, &(0x7f0000000080)) dup(r9) sendfile(r9, r8, 0x0, 0x1c01) io_submit(0x0, 0x4, &(0x7f0000006680)=[&(0x7f0000000280)={0x0, 0x0, 0x0, 0x6, 0x0, 0xffffffffffffffff, &(0x7f0000000480)="057e723a322baefbd8a607e49f4f14ebbdcc597eda25c1ee22ca83d8543ec13d2e0d3dcbb7f47d255141e77618e2cbce6246193a86230b52aafb4c0ed081098fb50076306c11f2389936b64bc1ae07d4951f49cd8dbbced1301f8f9cb69dd9f63d70fae2d9cd0a4d96010043169ec56249f22d173e14aa9c61103776f6c5d0f05896ca63e160819159d54f5f1310189964504b18f569712f9641ca2a119ec7f93c0be8946f078200c2fe82a15eb9a9e26a43fc9006717a86e15bab61fbcf25ef3a077659fa1f00"/209, 0x6d, 0x7}, &(0x7f0000005480)={0x0, 0x0, 0x0, 0x5, 0x6, 0xffffffffffffffff, &(0x7f0000005380)="4b5296505c01d619cc2eb1f6d4bf506c0b97ee8151ebcb626a2b9caa9097277ebb003b66a19f201f5ac9216cceec5a5c7fa986c60231b90a1ecbfe00b1f5b38ae6beea1b034eba7dd73a0a30397b45e87534ee8e31ee70cbfa1e4d30ff6dd1ddda4b8c5230bd0415ed149b86048aa77ee377ae2ac13b7f7c78c909fb166c062536f4f9c11f15d20cfa6d4f5f6850bfe84f7d0f", 0x93, 0xfd, 0x0, 0x3}, &(0x7f0000005600)={0x0, 0x0, 0x0, 0x5, 0x1, r7, &(0x7f00000054c0)="da3e00edc3f00e6cba12ae9277e4dc5a44a6433c9995fc2b6094e6f8d81de0439fc175c64eddad0de1baadb58d784a82517ea24cff7787bc9b876e20623ba20b98085beb14f1e92538b5369a5f13cba4a570a4d3a37ebc525dc3dccfe7adac4ffe26acc4a3add4dde29528013432ef9924b0129cf98e740caca73c7595a7987b36df16fb5116b85ef846765d6baf16a913bb78304ed58b5d1a8fd603352abd4f9496c216790b12ba4f6466521c2d75a0952cc9948270c09e7d6230b9e15d1435efef57a70d8456df322ab2", 0xfffffffffffffe2a, 0x6, 0x0, 0x2}, &(0x7f0000006640)={0x0, 0x0, 0x0, 0x3, 0x7, r0, &(0x7f0000005640)="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", 0x1000, 0x8, 0x0, 0x1, r8}]) 11:01:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = dup(r2) write$FUSE_NOTIFY_INVAL_ENTRY(r3, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) r5 = dup(r4) write$FUSE_NOTIFY_INVAL_ENTRY(r5, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r3, 0xc00c642d, &(0x7f0000000000)={0x0, 0x0, r5}) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f0000000040)={r6, 0x80000, r0}) close(r0) [ 1565.361114] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1565.368390] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1565.375684] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1565.382964] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 [ 1565.450568] block nbd2: Device being setup by another task [ 1565.466589] block nbd2: Device being setup by another task [ 1565.491822] block nbd4: Device being setup by another task [ 1565.514384] block nbd2: Device being setup by another task [ 1565.529327] block nbd4: Device being setup by another task 11:01:31 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_QUERY_DV_TIMINGS(0xffffffffffffffff, 0x80845663, &(0x7f00000000c0)={0x0, @reserved}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) accept4$alg(r2, 0x0, 0x0, 0x0) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0xe0282, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$SIOCX25GCAUSEDIAG(r5, 0x89e6, &(0x7f0000000040)={0x9, 0xea}) r6 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) sendmsg$RDMA_NLDEV_CMD_GET(r7, &(0x7f00000005c0)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x20, 0x1401, 0x22, 0x70bd25, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x4044) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) r8 = dup(r3) write$FUSE_NOTIFY_INVAL_ENTRY(r8, &(0x7f00000001c0)=ANY=[@ANYBLOB="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"], 0x12) write$P9_RLERROR(r8, &(0x7f0000000600)={0x51, 0x7, 0x2, {0x48, '/dev/video_\xeb035\x00\x859=n\xa9\xca\xf2\xcbW9\xdcO\xed\xb1\xf3\x19\x1b\xcc\xcf\xeeD\xc75\x82\xe4\xe1s\x10\x9d9\r!pb\x14\xff\x03&\xb1\xd4@\xb6\xc3\xc14s*V\xb2\x8cX\xf0\x87T[\xd8'}}, 0x51) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1565.538578] print_req_error: 156 callbacks suppressed [ 1565.538584] print_req_error: I/O error, dev nbd4, sector 0 [ 1565.545553] block nbd2: Device being setup by another task [ 1565.549808] buffer_io_error: 158 callbacks suppressed [ 1565.549815] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1565.550779] print_req_error: I/O error, dev nbd4, sector 2 [ 1565.575963] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1565.586375] print_req_error: I/O error, dev nbd4, sector 4 [ 1565.592666] Buffer I/O error on dev nbd4, logical block 2, async page read [ 1565.600578] print_req_error: I/O error, dev nbd4, sector 6 [ 1565.606926] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1565.616167] print_req_error: I/O error, dev nbd4, sector 0 [ 1565.625214] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1565.633188] print_req_error: I/O error, dev nbd4, sector 2 [ 1565.639241] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1565.647306] print_req_error: I/O error, dev nbd4, sector 4 [ 1565.653502] Buffer I/O error on dev nbd4, logical block 2, async page read [ 1565.661070] print_req_error: I/O error, dev nbd4, sector 6 [ 1565.666973] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1565.674975] print_req_error: I/O error, dev nbd4, sector 0 [ 1565.680690] Buffer I/O error on dev nbd4, logical block 0, async page read 11:01:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 1565.687945] print_req_error: I/O error, dev nbd4, sector 2 [ 1565.693671] Buffer I/O error on dev nbd4, logical block 1, async page read 11:01:31 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x529, 0x0, 0x0, 0x0, 0x6}, 0x0, 0xb, 0xffffffffffffffff, 0x8) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1565.743959] block nbd0: Device being setup by another task [ 1565.790776] block nbd0: Device being setup by another task [ 1565.800896] block nbd0: Device being setup by another task [ 1565.810785] block nbd0: Device being setup by another task 11:01:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x2000) r1 = socket(0x2, 0x1, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) connect$netlink(r3, &(0x7f0000000040)=@proc={0x10, 0x0, 0x25dfdbfb, 0x80}, 0xc) ioctl$NBD_DO_IT(r2, 0xab03) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r5, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) sendmsg$inet(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000100)={0x2, 0x4e20, @private=0xa010102}, 0x10, &(0x7f0000000300)=[{&(0x7f0000000140)="8bc83cf7327415324b32e08a232b0059b7d11cdf1f7dc5328960994f24dd82ca09ecb82f8e930f58a5c435c18436b6d34e7a1923653ac1192e44eb57e26788972244f082d606193c77125c5992ea020bdffe67e9fa35ed02c2f24bae935b18c075165309ddcea874b8a3377afa4a1e9d51bf2cd0ac53140a3cacf0d572274a4bae3279cc3717c7557be70a3bc28bd787e2b8ba9cded2753bce28910cef308553c4c70e004c40646e1be79c3edfee39622f040e22c58b7a7a8f9993ba155a07371f30666f8ea063426cab43202c6b882e15448c68368dbec2aa1577565372fa472c8550a0a075", 0xe6}, {&(0x7f0000000240)="b079f63b790852c64fcadf3e07b6f6e3cdf25b0173f3146b5e8eab8fd78004b8a3a3e708e09f556b870a4db7dbe136d00aa3dfa986", 0x35}, {&(0x7f0000000280)="4732c970b047010076d7f6002cd7772615e5884c95759794a99eac93920df87d5256a0d5eccaae49d6b577e8354a78373cfb4f7673a5cea10d5adc72dc798a3f2f79d9960ca215128981bccb4b76", 0x4e}], 0x3, &(0x7f0000000340)=[@ip_tos_u8={{0x11, 0x0, 0x1, 0x4}}, @ip_tos_int={{0x14, 0x0, 0x1, 0x7}}, @ip_tos_int={{0x14, 0x0, 0x1, 0x46}}, @ip_pktinfo={{0x1c, 0x0, 0x8, {r5, @multicast1, @broadcast}}}], 0x68}, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r1, 0x84, 0x12, &(0x7f0000000000)=0x45c4, 0x4) close(r0) 11:01:31 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) 11:01:31 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$VIDIOC_QUERY_EXT_CTRL(r2, 0xc0e85667, &(0x7f00000000c0)={0x40000000, 0x5, "7f649f3d63fd3ea62eeb8bf2e218a849e7fb6cfaf9e563b2d842e76f48775ad0", 0xffff, 0x40000, 0x96, 0xffffffffffffffff, 0xffff0001, 0x0, 0x7, 0xfc, [0x8, 0x7f, 0xffffffff, 0x1]}) [ 1565.837662] block nbd0: Device being setup by another task [ 1565.844064] block nbd0: Device being setup by another task 11:01:31 executing program 3 (fault-call:12 fault-nth:27): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) [ 1565.938088] block nbd4: Device being setup by another task [ 1565.983951] block nbd4: Device being setup by another task [ 1566.061158] block nbd4: Device being setup by another task [ 1566.100347] block nbd4: Device being setup by another task [ 1566.115613] FAULT_INJECTION: forcing a failure. [ 1566.115613] name failslab, interval 1, probability 0, space 0, times 0 [ 1566.127791] CPU: 1 PID: 19588 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1566.135699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1566.145101] Call Trace: [ 1566.147715] dump_stack+0x13e/0x194 [ 1566.151363] should_fail.cold+0x10a/0x14b [ 1566.155520] should_failslab+0xd6/0x130 [ 1566.159634] __kmalloc+0x2e9/0x7c0 [ 1566.163192] ? __list_lru_init+0x56/0x650 [ 1566.167346] ? __list_lru_init+0x67/0x650 [ 1566.171516] __list_lru_init+0x67/0x650 [ 1566.175497] sget_userns+0x4e4/0xc30 [ 1566.180268] ? get_empty_filp.cold+0x37/0x37 [ 1566.184685] ? set_anon_super+0x20/0x20 [ 1566.188721] ? mqueue_get_inode+0xaf0/0xaf0 [ 1566.193047] mount_ns+0x65/0x180 [ 1566.196418] mount_fs+0x92/0x2a0 [ 1566.199797] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1566.204301] kern_mount_data+0x51/0xb0 [ 1566.208202] mq_init_ns+0x15e/0x210 [ 1566.211837] copy_ipcs+0x345/0x3e0 [ 1566.215387] create_new_namespaces+0x1d4/0x730 [ 1566.219993] copy_namespaces+0x27b/0x310 [ 1566.224076] copy_process.part.0+0x2603/0x6a50 [ 1566.228681] ? get_pid_task+0xb8/0x130 [ 1566.232573] ? save_trace+0x290/0x290 [ 1566.236376] ? __lock_is_held+0xad/0x140 [ 1566.240456] ? __cleanup_sighand+0x40/0x40 [ 1566.244704] ? lock_downgrade+0x6e0/0x6e0 [ 1566.248866] _do_fork+0x180/0xc80 [ 1566.252331] ? fork_idle+0x270/0x270 [ 1566.256070] ? fput+0xb/0x140 [ 1566.259188] ? SyS_write+0x14d/0x210 [ 1566.262908] ? SyS_read+0x210/0x210 [ 1566.266545] ? SyS_clock_settime+0x1a0/0x1a0 [ 1566.270960] ? do_syscall_64+0x4c/0x640 [ 1566.274938] ? sys_vfork+0x20/0x20 [ 1566.278513] do_syscall_64+0x1d5/0x640 [ 1566.282416] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1566.287608] RIP: 0033:0x45c829 [ 1566.290809] RSP: 002b:00007f0c68825c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1566.298522] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1566.305799] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1566.313072] RBP: 000000000078bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 1566.320343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1566.328519] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c688266d4 11:01:34 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x2, 0x5, 0xffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:34 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x30481) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 11:01:34 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x13) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:34 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) dup(r1) sendfile(r1, r0, 0x0, 0x1c01) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r0, 0xc04c5349, &(0x7f0000000000)={0x0, 0x9, 0x35}) r2 = syz_open_dev$ndb(&(0x7f0000000600)='/dev/nbd#\x00', 0x0, 0x220601) r3 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r4) r5 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r6) mount$fuseblk(&(0x7f0000000580)='/dev/loop0\x00', &(0x7f00000005c0)='./file0\x00', &(0x7f0000000680)='fuseblk\x00', 0x8a000, &(0x7f00000006c0)={{'fd'}, 0x2c, {'rootmode', 0x3d, 0x4000}, 0x2c, {'user_id', 0x3d, 0xee00}, 0x2c, {'group_id'}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x5}}, {@max_read={'max_read', 0x3d, 0x6}}, {@default_permissions='default_permissions'}], [{@dont_hash='dont_hash'}, {@fowner_gt={'fowner>', r4}}, {@uid_eq={'uid', 0x3d, r6}}, {@obj_user={'obj_user', 0x3d, '/dev/nbd#\x00'}}, {@uid_lt={'uid<'}}, {@fsmagic={'fsmagic', 0x3d, 0xfffffffffffffffb}}]}}) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r7) ioctl$NBD_DO_IT(r2, 0xab03) syz_mount_image$xfs(&(0x7f00000000c0)='xfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x6, &(0x7f0000000380)=[{&(0x7f00000001c0)="6b1ef023d1aea488fdf2c51ddc64f6e9750c86545423ac57dd6e5c78c72877be31fbb91cacb13fe8f7d2c419327b043e8770d0c2822cb8f3878ca992523abcdee79876c620dab8b00f", 0x49, 0x9}, {&(0x7f0000000240)="e4e77ed92ce995e88dc4c7472fd079047e2bb3bc819c69e7451fd88db45bd937210911fe2888ba94e09a91afb3e77c424bfe902a947dbe47aa0644601f9d2999f67d5d4b0543cc0f5d10b7959f12afb4d9aa8610", 0x54}, {&(0x7f0000000140)="da6e678a9b1167bdc32c7673fca3ecff04e6177472f1126899c66157b00cab70fcd15bc290f23d99bc03b019bff0b3859f42953793682d1c18a726cdc938ea", 0x3f, 0x1}, {&(0x7f00000002c0)="02094113f434bf8f0b8a0fa9eb160ba72c0dbe2ecb68b65979c0", 0x1a, 0x200}, {&(0x7f0000000300)="5a331d5b49abff2e95d7ea576d6bb3109f534ee6f89df8f93299cdf80e2ef8c6fc16fe5f12c5a331acc039a9c096d1b0c1ec5abfacee25f7c4e0dd0312d8fe64da0a6c2d3182877b058cf17204a61cb850caeac69bc1acf0ea85c9b9b9f9e91fcdbf840322aa16942aa0790bc5db13ce3c1df9", 0x73, 0x4}, {&(0x7f0000000480)="34c068e9eb0df666be62f8abf4449d4c7ad9baa7f183110397a6b46ee477b2a16708976c018c564e31290602c1cc3cf897834fb4f321200ea445b72d2db6efc33994ee0a65195c26ca15614d6797e6f4c04ca81f7d6d702213c711d34033e5110dd02d6b8b47c19e27e3bea6bf22960446b38a39c78da11ee9a4cab374ece66731365b3eb42b762a18637c906452438f74a8f6c26adb97a4f61e3a5587fe39fbbd51d6447e2335a77101281fc9e29d86534f3608bad9a0034780e6afda9dc94e8fb2b630bfe9d85d6f4d359200f4650429492203fccf137f926920f6a063dffc76667f", 0xe3, 0x821}], 0x810, &(0x7f0000000840)=ANY=[@ANYBLOB="75716e6f656e666f72636558dfaf2c73772b559db5fd8f3bc697c989cb616c6c6f632c63696f73697a653d303030303030303030303045490ade0b24c1a05a907dc668b9303030303030312c6861736e626421002c0000000000000000000000000000cda52013092857a15ec138801e8851cf09de1d81ba0f0c03e6e43c5cab4fded12817ce820fa0d994b82e5cb245e8e312dd0dc14651174d173c7096ecdd87db7d7f12cf2359152b297e9f36bd16e6d104"]) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) close(r5) 11:01:34 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0xa, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = socket$inet_sctp(0x2, 0x5, 0x84) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x1, 0x84) r4 = dup3(r2, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r4, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x6c, &(0x7f000059aff8)={r5}, &(0x7f000034f000)=0x2059b000) setsockopt$inet_sctp_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000001100)=ANY=[@ANYRES32=r5, @ANYBLOB="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"], 0x1008) 11:01:34 executing program 3 (fault-call:12 fault-nth:28): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-monitor\x00', 0x101000, 0x0) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) dup(r3) sendfile(r3, r2, 0x0, 0x1c01) ioctl$KVM_INTERRUPT(r2, 0x4004ae86, &(0x7f0000000000)=0x3f) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:34 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcsa\x00', 0x400, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket$nl_route(0x10, 0x3, 0x0) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r8, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r8, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r8, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000001b40)={&(0x7f00000000c0), 0xc, &(0x7f0000001b00)={&(0x7f0000000100)=@newtfilter={0x19d4, 0x2c, 0x8, 0x70bd2b, 0x25dfdbfb, {0x0, 0x0, 0x0, r8, {0xfff2, 0xa}, {0xffff, 0xffe0}, {0x8, 0x7}}, [@filter_kind_options=@f_matchall={{0xd, 0x1, 'matchall\x00'}, {0x450, 0x2, [@TCA_MATCHALL_ACT={0x4}, @TCA_MATCHALL_CLASSID={0x8, 0x1, {0x9, 0x6}}, @TCA_MATCHALL_CLASSID={0x8, 0x1, {0x3, 0xe}}, @TCA_MATCHALL_CLASSID={0x8, 0x1, {0xa, 0x1}}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x1}, @TCA_MATCHALL_ACT={0x2dc, 0x2, [@m_bpf={0x70, 0x1eaf, 0x0, 0x0, {{0x8, 0x1, 'bpf\x00'}, {0xc, 0x2, 0x0, 0x1, [@TCA_ACT_BPF_FD={0x8, 0x5, r1}]}, {0x56, 0x6, "b941cac863957699a7291f166da5bbe6590f0f0bfb98383402ae2515dff97f37973dac9925efce1742adc9b21500a3fc1af71e07da9f3228d544721f7e0b8b557c0492bf7b92a7b152da195b15d1a6d30c8d"}}}, @m_ctinfo={0xe0, 0x18, 0x0, 0x0, {{0xb, 0x1, 'ctinfo\x00'}, {0x64, 0x2, 0x0, 0x1, [@TCA_CTINFO_PARMS_CPMARK_MASK={0x8, 0x7, 0x585e}, @TCA_CTINFO_PARMS_DSCP_STATEMASK={0x8, 0x6, 0xffff}, @TCA_CTINFO_ACT={0x18, 0x3, {0xffffffff, 0x4, 0x2, 0x1ff, 0x8}}, @TCA_CTINFO_PARMS_DSCP_MASK={0x8, 0x5, 0x4}, @TCA_CTINFO_PARMS_CPMARK_MASK={0x8, 0x7, 0x1f}, @TCA_CTINFO_PARMS_DSCP_MASK={0x8, 0x5, 0x4}, @TCA_CTINFO_ACT={0x18, 0x3, {0xfffffffe, 0x7ff, 0x6, 0x0, 0xac4}}, @TCA_CTINFO_PARMS_DSCP_STATEMASK={0x8, 0x6, 0x5}]}, {0x6a, 0x6, "ec68145ef94e49f033048b2284c90e7f4b0df7b296eae6d777da5bdc55dae60ab6276b753860356eabdb495fa48f8fd552c48168b84100dca8e0a6f07308591ebe5325696d1085e28ff55b44d4059759e9ba70bc32db690fc199fca4a17865d4e93f14b29e25"}}}, @m_simple={0x70, 0x6, 0x0, 0x0, {{0xb, 0x1, 'simple\x00'}, {0x50, 0x2, 0x0, 0x1, [@TCA_DEF_DATA={0xe, 0x3, '/dev/nbd#\x00'}, @TCA_DEF_PARMS={0x18, 0x2, {0xc24a, 0x1, 0x20000000, 0x101, 0xac4}}, @TCA_DEF_DATA={0xe, 0x3, '/dev/nbd#\x00'}, @TCA_DEF_DATA={0x8, 0x3, 'wg2\x00'}, @TCA_DEF_DATA={0xb, 0x3, 'wlan0\\\x00'}]}, {0xd, 0x6, "eb55edb58d314c0421"}}}, @m_connmark={0x118, 0x6, 0x0, 0x0, {{0xd, 0x1, 'connmark\x00'}, {0xac, 0x2, 0x0, 0x1, [@TCA_CONNMARK_PARMS={0x1c, 0x1, {{0x5, 0x4, 0x1, 0x100, 0xc6a8}, 0x4}}, @TCA_CONNMARK_PARMS={0x1c, 0x1, {{0x0, 0x4, 0x10000000, 0x9, 0x8b00}, 0x3f}}, @TCA_CONNMARK_PARMS={0x1c, 0x1, {{0x8f, 0xfffffffb, 0x4, 0x401, 0x6}, 0xfff}}, @TCA_CONNMARK_PARMS={0x1c, 0x1, {{0x7f, 0x5, 0x10000000, 0x1f}}}, @TCA_CONNMARK_PARMS={0x1c, 0x1, {{0x27f9, 0xffff, 0xffffffffffffffff, 0x9a8b, 0x6e3}}}, @TCA_CONNMARK_PARMS={0x1c, 0x1, {{0xffffffff, 0x10000, 0x7, 0x7, 0xffff}, 0x91f}}]}, {0x56, 0x6, "b4358d6e44e4130de0cb2effe05ec377b96f562d36e305b1038733055891fd8a3a27fe05ac14ef395984749da587840e13c66ffccbce75514167411c1717df7b0e6f9e609c65e7a5f755abb7edc1a8de2de5"}}}]}, @TCA_MATCHALL_ACT={0x13c, 0x2, [@m_sample={0x114, 0x18, 0x0, 0x0, {{0xb, 0x1, 'sample\x00'}, {0x74, 0x2, 0x0, 0x1, [@TCA_SAMPLE_TRUNC_SIZE={0x8, 0x4, 0x200}, @TCA_SAMPLE_PARMS={0x18, 0x2, {0x401, 0x7, 0x20000000, 0x0, 0x72}}, @TCA_SAMPLE_PARMS={0x18, 0x2, {0x80000000, 0xc0000000, 0x20000000, 0x13b, 0xff}}, @TCA_SAMPLE_PSAMPLE_GROUP={0x8, 0x5, 0x1}, @TCA_SAMPLE_PARMS={0x18, 0x2, {0x6, 0xff, 0x1, 0xfffffffa, 0x8}}, @TCA_SAMPLE_PARMS={0x18, 0x2, {0x61, 0x3, 0x1, 0x246fa90b, 0x6}}]}, {0x90, 0x6, "0ccc7d029a52da727045a7fb4c1ea8e314d520dcd9bb3eccaf99135acd40173716c04edafebfa01410a127893bfec3d3d8d6c403be913bf93609c0c4b284905cba78c831812d386e91fcf79ce71aaca82fa8297962f175d654de3e018ac7a748a2b905e7a6ff858ea8c9174db35652d157d3223254ea5241527395aa8c09b60a903a1bec5d04453fd2da7dbb"}}}, @m_skbmod={0x24, 0x9, 0x0, 0x0, {{0xb, 0x1, 'skbmod\x00'}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBMOD_ETYPE={0x6, 0x5, 0x2}]}, {0x5, 0x6, "af"}}}]}, @TCA_MATCHALL_CLASSID={0x8, 0x1, {0xffe0}}, @TCA_MATCHALL_CLASSID={0x8, 0x1, {0xfff2, 0xffe0}}]}}, @TCA_CHAIN={0x8, 0xb, 0x5}, @filter_kind_options=@f_bpf={{0x8, 0x1, 'bpf\x00'}, {0x1538, 0x2, [@TCA_BPF_FLAGS={0x8, 0x8, 0x1}, @TCA_BPF_ACT={0x152c, 0x1, [@m_skbmod={0x3c, 0x1b, 0x0, 0x0, {{0xb, 0x1, 'skbmod\x00'}, {0x18, 0x2, 0x0, 0x1, [@TCA_SKBMOD_ETYPE={0x6, 0x5, 0x2}, @TCA_SKBMOD_SMAC={0xa}]}, {0x14, 0x6, "d68a0b612837e8b5f618c12c9ed62990"}}}, @m_skbmod={0xb4, 0xb, 0x0, 0x0, {{0xb, 0x1, 'skbmod\x00'}, {0x88, 0x2, 0x0, 0x1, [@TCA_SKBMOD_PARMS={0x24, 0x2, {{0x5, 0x200, 0x3, 0x100000, 0x2580}, 0x5}}, @TCA_SKBMOD_PARMS={0x24, 0x2, {{0x3, 0x101, 0x0, 0x8, 0x4}}}, @TCA_SKBMOD_DMAC={0xa, 0x3, @multicast}, @TCA_SKBMOD_SMAC={0xa, 0x4, @broadcast}, @TCA_SKBMOD_PARMS={0x24, 0x2, {{0x7fff, 0x0, 0x7, 0x9479, 0x1}, 0xf}}]}, {0x1c, 0x6, "ad0eeef7459d338494574284694b251708598da0e5e3883c"}}}, @m_mpls={0x54, 0x9, 0x0, 0x0, {{0x9, 0x1, 'mpls\x00'}, {0x28, 0x2, 0x0, 0x1, [@TCA_MPLS_PARMS={0x1c, 0x2, {{0x7f, 0x2, 0x8, 0xa1ff, 0x8}, 0x3}}, @TCA_MPLS_TTL={0x5, 0x7, 0x40}]}, {0x19, 0x6, "d07f8c0d73b351b919c2ce42a100a8ea8a53da050d"}}}, @m_ipt={0x112c, 0x9, 0x0, 0x0, {{0x8, 0x1, 'ipt\x00'}, {0x10cc, 0x2, 0x0, 0x1, [@TCA_IPT_TARG={0x9c, 0x6, {0x0, 'nat\x00', 0x5, 0x5, "3bf8414975d9d39a79f7a0d50a9314fbcebb4f2f2c8a455ae1f77b559ead4c6a68224422c14bad9991b9c4f5dcc332815545781df0632ccfbd33c57c98234c32ca970c5f3afa153831b0c960ea456bd85b84001cd22f2b231cb2485f62d0a9dba908a76b8c66dedfe08d86324642fc113278"}}, @TCA_IPT_TARG={0x102a, 0x6, {0x39d8, 'mangle\x00', 0x5, 0x401, "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"}}]}, {0x54, 0x6, "0e65323de02975f5e6f98a75c3fd04496bd886c6dd29e48dce471f062bdddb044d931b53110b4aac07071cf12467109353ec4d78a976d4f09c446d23e9308188ecc90f84dc7953b6db6ba223eda0ce57"}}}, @m_ife={0x130, 0x3, 0x0, 0x0, {{0x8, 0x1, 'ife\x00'}, {0x7c, 0x2, 0x0, 0x1, [@TCA_IFE_DMAC={0xa, 0x3, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, @TCA_IFE_SMAC={0xa, 0x4, @multicast}, @TCA_IFE_DMAC={0xa, 0x3, @local}, @TCA_IFE_DMAC={0xa, 0x3, @random="08139d855f25"}, @TCA_IFE_TYPE={0x6, 0x5, 0x1ff}, @TCA_IFE_SMAC={0xa, 0x4, @broadcast}, @TCA_IFE_DMAC={0xa, 0x3, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, @TCA_IFE_SMAC={0xa, 0x4, @multicast}, @TCA_IFE_PARMS={0x1c, 0x1, {{0x1, 0x6, 0x7, 0x4, 0x5}, 0x1}}]}, {0xa5, 0x6, "4db43e399a1d8ce3a4d61047aa4a9dd529e36db5ebe72f1040c3530b63a89b9cf982db340149265dffbdc6b732bc6a43ca8ef0ab3d5c36cfeef4596935f8b50b0808874ff557a5c069d3a195572fbbd280752774ab62f27e830f39c39ded8a9f4fb78030fdc23780975459b0a32d18b38cf3e82255e630b73e42fc49c227597ae1329b7849f73a3700702c8e7621a69f024ea19b7e404458c04294f900a605c46f"}}}, @m_vlan={0xa0, 0x2, 0x0, 0x0, {{0x9, 0x1, 'vlan\x00'}, {0x68, 0x2, 0x0, 0x1, [@TCA_VLAN_PUSH_VLAN_ID={0x6, 0x3, 0x99f}, @TCA_VLAN_PARMS={0x1c, 0x2, {{0x0, 0x180, 0x0, 0x3, 0x5fa}, 0x3}}, @TCA_VLAN_PUSH_VLAN_PROTOCOL={0x6, 0x4, 0x8100}, @TCA_VLAN_PUSH_VLAN_PRIORITY={0x5, 0x6, 0x5}, @TCA_VLAN_PUSH_VLAN_PRIORITY={0x5, 0x6, 0x2}, @TCA_VLAN_PUSH_VLAN_PROTOCOL={0x6}, @TCA_VLAN_PUSH_VLAN_ID={0x6, 0x3, 0xf43}, @TCA_VLAN_PUSH_VLAN_ID={0x6, 0x3, 0x430}, @TCA_VLAN_PUSH_VLAN_ID={0x6, 0x3, 0x70b}, @TCA_VLAN_PUSH_VLAN_ID={0x6, 0x3, 0xe4}]}, {0x27, 0x6, "03406a103b5c2be18cf7e87ae96e45418d55ed9440951066129d45a47e1c3c254c1bf3"}}}, @m_bpf={0xe8, 0x1a, 0x0, 0x0, {{0x8, 0x1, 'bpf\x00'}, {0xac, 0x2, 0x0, 0x1, [@TCA_ACT_BPF_PARMS={0x18, 0x2, {0x101, 0xead9, 0x2, 0xfffffffe, 0x5c5}}, @TCA_ACT_BPF_OPS={0x34, 0x4, [{0x2, 0xf8, 0x1, 0x40000000}, {0x5, 0x6, 0x9, 0x6}, {0x7, 0x2e, 0x1, 0xfffffffb}, {0x8001, 0x1f, 0x3, 0x7d9a}, {0x7, 0x6, 0x3f, 0x6b8}, {0x678, 0x2, 0x9, 0x5}]}, @TCA_ACT_BPF_OPS_LEN={0x6, 0x3, 0x1}, @TCA_ACT_BPF_PARMS={0x18, 0x2, {0xe497, 0x2, 0x4, 0x8, 0x5}}, @TCA_ACT_BPF_OPS={0x3c, 0x4, [{0x2, 0x9, 0x81, 0x8}, {0x9, 0x0, 0x9, 0x70}, {0x3f, 0x7, 0x1, 0x2}, {0x0, 0x8, 0x0, 0x9}, {0xc936, 0x1, 0xe3, 0x3}, {0x1ff, 0x2, 0x4, 0xfffffffa}, {0x2, 0x1, 0x1, 0x8}]}]}, {0x30, 0x6, "c40364a607502a0041f444802cecd1a6ac4a29ca13b2f54f3555ac1816679641c727e71ec3b663ab066f1d7c"}}}]}]}}, @TCA_RATE={0x6, 0x5, {0x76, 0x9}}]}, 0x19d4}, 0x1, 0x0, 0x0, 0x4050}, 0x8040) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f0000000000)={'wg2\x00', 0x1000}) [ 1568.603797] block nbd4: Device being setup by another task [ 1568.695038] FAULT_INJECTION: forcing a failure. [ 1568.695038] name failslab, interval 1, probability 0, space 0, times 0 [ 1568.698824] block nbd4: Device being setup by another task [ 1568.713103] CPU: 0 PID: 19635 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1568.721013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1568.730366] Call Trace: [ 1568.732966] dump_stack+0x13e/0x194 [ 1568.736595] should_fail.cold+0x10a/0x14b [ 1568.740743] should_failslab+0xd6/0x130 [ 1568.744714] __kmalloc+0x2e9/0x7c0 [ 1568.748360] ? register_shrinker+0xb8/0x210 [ 1568.752678] ? lock_downgrade+0x6e0/0x6e0 [ 1568.756831] register_shrinker+0xb8/0x210 [ 1568.760977] sget_userns+0x9c5/0xc30 [ 1568.764693] ? get_empty_filp.cold+0x37/0x37 [ 1568.769097] ? set_anon_super+0x20/0x20 [ 1568.773093] ? mqueue_get_inode+0xaf0/0xaf0 [ 1568.777407] mount_ns+0x65/0x180 [ 1568.780768] mount_fs+0x92/0x2a0 [ 1568.784133] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1568.788624] kern_mount_data+0x51/0xb0 [ 1568.792518] mq_init_ns+0x15e/0x210 [ 1568.796155] copy_ipcs+0x345/0x3e0 [ 1568.799704] create_new_namespaces+0x1d4/0x730 [ 1568.804413] copy_namespaces+0x27b/0x310 [ 1568.808490] copy_process.part.0+0x2603/0x6a50 [ 1568.813170] ? get_pid_task+0xb8/0x130 [ 1568.817060] ? save_trace+0x290/0x290 [ 1568.820869] ? __cleanup_sighand+0x40/0x40 [ 1568.825106] ? lock_downgrade+0x6e0/0x6e0 [ 1568.829268] _do_fork+0x180/0xc80 [ 1568.832723] ? fork_idle+0x270/0x270 [ 1568.836437] ? fput+0xb/0x140 [ 1568.839554] ? SyS_write+0x14d/0x210 [ 1568.843263] ? SyS_read+0x210/0x210 [ 1568.846884] ? SyS_clock_settime+0x1a0/0x1a0 [ 1568.851290] ? do_syscall_64+0x4c/0x640 [ 1568.855259] ? sys_vfork+0x20/0x20 [ 1568.859923] do_syscall_64+0x1d5/0x640 [ 1568.863812] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1568.869017] RIP: 0033:0x45c829 [ 1568.872195] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1568.881818] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 11:01:34 executing program 1: socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) fstatfs(r1, &(0x7f0000000000)=""/211) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socket$netlink(0x10, 0x3, 0x0) clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) r4 = accept4(0xffffffffffffffff, 0x0, &(0x7f0000000140), 0x80800) recvmmsg(r4, &(0x7f0000002d80), 0x0, 0x1a002, &(0x7f0000000180)={r2, r3+10000000}) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, 0x0, 0x0, 0x0) r5 = gettid() ptrace$setopts(0x4206, r5, 0x0, 0x0) tkill(r5, 0x15) ptrace$setregs(0xd, r5, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r5, 0x0, 0x0) r6 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) kcmp(0x0, r5, 0x3, r4, r7) [ 1568.889201] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1568.896476] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1568.903751] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1568.911018] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:34 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x21, 0x6, 0x0) sendmsg$NFQNL_MSG_CONFIG(r2, &(0x7f00000005c0)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x42001000}, 0xc, &(0x7f0000000580)={&(0x7f00000001c0)=ANY=[@ANYBLOB="3000000002030194f1009be11bf23138010000001d000000000000000808000440000000020900020000000001000800000800054000000010"], 0x30}, 0x1, 0x0, 0x0, 0x4}, 0x8001) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x437) ioctl$VIDIOC_PREPARE_BUF(0xffffffffffffffff, 0xc058565d, &(0x7f0000000640)={0x64f8, 0x4, 0x4, 0x400, 0x96f, {}, {0x4, 0x1, 0x1, 0x6, 0x3f, 0x6, "599de955"}, 0x20, 0x1, @fd, 0x80000001, 0x0, r3}) ioctl$KVM_ENABLE_CAP(r5, 0x4068aea3, &(0x7f00000006c0)={0x79, 0x0, [0x0, 0xfffffffffffffff8, 0x8000, 0x8]}) r6 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r6, 0xc0045002, &(0x7f0000000080)) r7 = dup(r6) write$FUSE_NOTIFY_INVAL_ENTRY(r7, &(0x7f0000000740)=ANY=[@ANYBLOB="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"], 0x12) ioctl$VIDIOC_G_SELECTION(r7, 0xc040565e, &(0x7f00000000c0)={0x6, 0x0, 0x2, {0x7fff, 0x2, 0x6, 0x7}}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER(r7, 0xc0605345, &(0x7f0000000100)={0xfffffffc, 0x2, {0x2, 0x0, 0x6ca, 0x3, 0x3}, 0x1}) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r2, 0x28, 0x2, &(0x7f0000000040)=0x81, 0x8) 11:01:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) sendmsg$NFNL_MSG_ACCT_DEL(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB="48000000030701080000000000005800010000020c0003400000000000000000030c0006400000000000000ee408000540000000060800054000000001"], 0x48}, 0x1, 0x0, 0x0, 0x800}, 0x20000041) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1568.945967] block nbd2: Device being setup by another task [ 1568.973151] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1568.988405] block nbd0: Device being setup by another task [ 1569.027069] block nbd0: Device being setup by another task [ 1569.064742] block nbd4: Device being setup by another task 11:01:34 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) rt_sigaction(0x3d, &(0x7f0000000180)={&(0x7f0000000100)="c481ed5ca18383f3490f380b17c42379090a002ef30f7e2367422a9bcbb70782c4a2353d02f0fe890c000000c4c1a35af465cc40d9f5", 0xd8000006, &(0x7f0000000200)="c461f850d2c4a3b50b8843b0ffff016543d9c0c423f50f916600000000c4a1e57d35f6ff0000400f72f78505000000813ef2f20f0ff7a0c482910a660ec4a131c43e00", {[0x6]}}, &(0x7f0000000340)={&(0x7f0000000280)="c462699e70046666f3470f5e2502000000c482fd2447abf30f1efbc4a1fa7f6cf6f343d3bab23a6c9ac4e2e5ac7702478e7793c42177c23f0199", 0x0, &(0x7f00000002c0)="c403d17850004e0f46ea0f4deb66410f3a0b6f8b23c4a2f99e7efef3fddfd20f0356fe0f01fcc4e2f9237d85"}, 0x8, &(0x7f0000000380)) [ 1569.077027] block nbd4: Device being setup by another task [ 1569.085908] block nbd4: Device being setup by another task [ 1569.160369] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1569.172673] block nbd4: Device being setup by another task [ 1569.195315] block nbd4: Device being setup by another task 11:01:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) sendmsg$IPSET_CMD_GET_BYNAME(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, 0xe, 0x6, 0x201, 0x0, 0x0, {0xa, 0x0, 0x6}, [@IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_PROTOCOL={0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000800}, 0x40) setsockopt$IP_VS_SO_SET_DEL(r3, 0x0, 0x484, &(0x7f0000000000)={0x62, @broadcast, 0x4e20, 0x1, 'wrr\x00', 0x0, 0x4034b602, 0x7d}, 0x2c) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$FS_IOC_FIEMAP(0xffffffffffffffff, 0xc020660b, &(0x7f00000000c0)={0x4, 0x1, 0x0, 0x7, 0x1, [{0x10000, 0x200, 0x7f, [], 0x80}]}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x1, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r5, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x6c, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b000) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000000)={r6, 0xfffffffb}, 0x8) r7 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r7, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) ioctl$VIDIOC_EXPBUF(0xffffffffffffffff, 0xc0405610, &(0x7f0000000300)={0x0, 0x3, 0x8, 0x800}) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$DRM_IOCTL_MODE_GETGAMMA(r2, 0xc02064a4, &(0x7f0000000100)={0x7f, 0x1, &(0x7f0000000000)=[0x1f], &(0x7f0000000040)=[0xfffd, 0x6d], &(0x7f00000000c0)=[0xc5fb]}) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = socket$inet(0x2, 0x4000000805, 0x0) r6 = socket$inet_sctp(0x2, 0x1, 0x84) r7 = dup3(r5, r6, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r6, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r7, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r6, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x6c, &(0x7f000059aff8)={r8}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r4, 0x84, 0x70, &(0x7f00000001c0)={r8, @in={{0x2, 0x4e23, @multicast2}}, [0x5ef6, 0x0, 0xfffffffffffffff9, 0x3, 0x5, 0x9, 0x3ff, 0xffffffff, 0x5, 0x40, 0x5, 0x1, 0x3, 0x401, 0x6]}, &(0x7f0000000140)=0x100) [ 1569.394128] block nbd4: Device being setup by another task [ 1569.423633] block nbd4: Device being setup by another task [ 1569.423790] block nbd0: Device being setup by another task 11:01:35 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x3, 0x9, 0x0, 0x0, 0x0, 0x80000000000000, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0x4, @perf_bp={&(0x7f0000000100), 0x1}, 0x48063, 0x0, 0x0, 0x0, 0x4, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) r5 = dup(r4) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) r6 = syz_genetlink_get_family_id$batadv(&(0x7f0000000300)='batadv\x00') sendmsg$BATADV_CMD_GET_HARDIF(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x34, r6, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x7ff}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x800}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x7}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008001}, 0x20000010) write$FUSE_NOTIFY_INVAL_ENTRY(r5, &(0x7f00000007c0)=ANY=[@ANYBLOB="000000578ecf000000004000000000000000be3ced28c64ec8cf7ba1356838cedf362f1e242141010000000100bbaae8026bb9d505b762a35798ae1460e36fc6051fb51d63f93d1da8ce49c5a94610f07a6af7fa325c8d3b43edfd887968d095820a35d5995dbe4cd594b92803cbd18cd22bd494c69a0d4cd7f20b4f8eb69537319cfe54c0310d4f2e40e97243b0534dfc47e555d1f3292ce92886d27a6dfa5eabb6877b6d4720f7ecabfe2c06e2f179bed4c1f97bf46ef90573fe665bc9c2d9fe102ab177e17288fe044a88f8af74b9333ff1e579e00149a05fa6359f5cca225e2c164f7b53cf361490d948a917de4b9fb766e2a8f6d7ae24a200b8b3d1cc381ec09ae6698f6b15a54af1de0231f4261d8ff5a85256461d3c8270fb10b5178757c123c56e6cad14212be6dcb0c4f5f843c7632e4afe762f11ac5af3e69300205951104f673f59d04734630d6f85eb4b2a453120a3bacdbf65b15edf007c7626bd64488be9a76b8bcb9eaf91be4e0e5db82844f7e760de05420c474695f88bdab76f082e680072aaff5ff71a8f028fc8a0033c0e03484ad6999765619ca028ecb3180e64026571a89a2ef81f09ecbc0c53310b06edacb40bfcea9d810a079740df729af3fda30754c8a7158f25ed4c85c5c7fbe96e986115cc1979de3c936edc277982cad421338154631a2f29c38d24403efa116702153f011bae08e549fcffc1409caf62f0cd2d08311306df4e6f2fe492d815a59adb0c05b7f0f4fec765b439e26426aa8ef48cc5ef30e389222b0675cf813179d4513b3d6242b1110a14129fe127361d175ce3e1815daf24ef288c2b17f34516ec25a5ef1b76a24ecfd05ce58317627288af0ee5c9a4f4496b17ba99b30bda43863c68cf06b9086835b41c689db1cee96e2bc072edc166967aa0d85e03adde2b9865d1"], 0x12) ioctl$VIDIOC_G_EXT_CTRLS(r5, 0xc0205647, &(0x7f0000000200)={0x9e0000, 0x0, 0x4, 0xffffffffffffffff, 0x0, &(0x7f00000001c0)={0x990a2d, 0x9, [], @ptr=0x4}}) ioctl$UI_DEV_SETUP(r7, 0x405c5503, &(0x7f0000000240)={{0x9c88, 0x81, 0x9, 0xf92}, 'syz0\x00', 0x46}) vmsplice(r2, &(0x7f0000000040)=[{&(0x7f00000000c0)="bf34ead14cc223e097efc1fb8462330ebfbae154426a05386fdcc89446d956f70e625f801b6b813ef4fe704d4a432600719a0482818d60790b213f8ffd10d5099ae09eadb832c0b99b46e92f306cc63fa9ebf76ed0e7ffb4da8b3ce6e4f44d1cee5611a1fec76481e2539a071339ee609df679d399963cdb34ce6ddf61d2d1eb49ebf73a51c4d714cd2ca9e82d9d75b039986f30f5f9f4cf1dbc62d90a3b95ced415865f1a5913a633061cb45bbca08dc0b119c82b25fcf7ccf9b2d98d22318a2466c8d8", 0xc4}, {&(0x7f0000000000)="7bb055b861", 0x5}], 0x2, 0xb) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) [ 1569.503658] block nbd2: Device being setup by another task [ 1569.514059] block nbd0: Device being setup by another task [ 1569.516899] block nbd4: Device being setup by another task [ 1569.543181] block nbd4: Device being setup by another task [ 1569.564357] block nbd4: Device being setup by another task [ 1569.612872] block nbd4: Device being setup by another task 11:01:35 executing program 3 (fault-call:12 fault-nth:29): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:35 executing program 0: shmctl$IPC_STAT(0xffffffffffffffff, 0x2, &(0x7f00000003c0)=""/5) r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x400, 0x0) r1 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYRES32=r1], &(0x7f0000000280)=""/146, 0xe2, 0x92}, 0x20) ioctl$VIDIOC_DQEVENT(r0, 0x80885659, &(0x7f0000000180)={0x0, @ctrl}) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = dup(r2) write$FUSE_NOTIFY_INVAL_ENTRY(r3, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$VIDIOC_TRY_EXT_CTRLS(r3, 0xc0205649, &(0x7f0000000380)={0x9b0000, 0x8, 0x4, r0, 0x0, &(0x7f0000000340)={0x9b0970, 0x8, [], @p_u16=&(0x7f0000000140)=0xcc3f}}) write$FUSE_OPEN(r0, &(0x7f00000000c0)={0x20, 0x0, 0x5, {0x0, 0x3d}}, 0x20) socket$bt_rfcomm(0x1f, 0x3, 0x3) ioctl$VIDIOC_ENUM_FMT(r1, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706e4da33fe2bf00fe4592b9f6aa92501800a5bb6ea22064cb06797"}) 11:01:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) connect$vsock_dgram(r2, &(0x7f0000000000)={0x28, 0x0, 0x2710, @my=0x0}, 0x10) [ 1569.782641] block nbd2: Device being setup by another task [ 1569.826534] block nbd2: Device being setup by another task [ 1569.935139] FAULT_INJECTION: forcing a failure. [ 1569.935139] name failslab, interval 1, probability 0, space 0, times 0 [ 1569.946532] CPU: 0 PID: 19724 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1569.954423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1569.963876] Call Trace: [ 1569.966493] dump_stack+0x13e/0x194 [ 1569.970135] should_fail.cold+0x10a/0x14b [ 1569.974291] should_failslab+0xd6/0x130 [ 1569.978263] __kmalloc+0x2e9/0x7c0 [ 1569.981816] ? __list_lru_init+0x56/0x650 [ 1569.985963] ? __list_lru_init+0x67/0x650 [ 1569.990128] __list_lru_init+0x67/0x650 [ 1569.994115] sget_userns+0x504/0xc30 [ 1569.997856] ? get_empty_filp.cold+0x37/0x37 [ 1570.002366] ? set_anon_super+0x20/0x20 [ 1570.006357] ? mqueue_get_inode+0xaf0/0xaf0 [ 1570.010690] mount_ns+0x65/0x180 [ 1570.014063] mount_fs+0x92/0x2a0 [ 1570.017436] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1570.021944] kern_mount_data+0x51/0xb0 [ 1570.025837] mq_init_ns+0x15e/0x210 [ 1570.029463] copy_ipcs+0x345/0x3e0 [ 1570.033010] create_new_namespaces+0x1d4/0x730 [ 1570.037606] copy_namespaces+0x27b/0x310 [ 1570.041686] copy_process.part.0+0x2603/0x6a50 [ 1570.046294] ? get_pid_task+0xb8/0x130 [ 1570.050200] ? save_trace+0x290/0x290 [ 1570.054031] ? __lock_is_held+0xad/0x140 [ 1570.058102] ? __cleanup_sighand+0x40/0x40 [ 1570.062339] ? lock_downgrade+0x6e0/0x6e0 [ 1570.066492] _do_fork+0x180/0xc80 [ 1570.069967] ? fork_idle+0x270/0x270 [ 1570.073687] ? fput+0xb/0x140 [ 1570.077402] ? SyS_write+0x14d/0x210 [ 1570.081119] ? SyS_read+0x210/0x210 [ 1570.084750] ? SyS_clock_settime+0x1a0/0x1a0 [ 1570.089254] ? do_syscall_64+0x4c/0x640 [ 1570.093235] ? sys_vfork+0x20/0x20 [ 1570.096780] do_syscall_64+0x1d5/0x640 [ 1570.100679] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1570.105915] RIP: 0033:0x45c829 [ 1570.109131] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1570.116869] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1570.124234] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1570.131520] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1570.138797] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1570.146079] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:37 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) setsockopt$inet6_udp_encap(r1, 0x11, 0x64, &(0x7f0000000000)=0x1, 0x4) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x15, 0x2, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) ioctl$FS_IOC_GET_ENCRYPTION_PWSALT(r1, 0x40106614, &(0x7f0000000000)) close(r0) 11:01:37 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x9}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:37 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797", 0x31324d4e}) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x200401, 0x0) ioctl$FBIOGET_CON2FBMAP(r1, 0x460f, &(0x7f00000000c0)={0x24, 0x2}) 11:01:37 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1) 11:01:37 executing program 3 (fault-call:12 fault-nth:30): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) [ 1571.990234] block nbd2: Device being setup by another task [ 1572.024936] print_req_error: 382 callbacks suppressed [ 1572.024942] print_req_error: I/O error, dev nbd4, sector 0 11:01:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x800) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1572.036146] buffer_io_error: 382 callbacks suppressed [ 1572.036153] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1572.041250] block nbd2: Device being setup by another task [ 1572.049560] print_req_error: I/O error, dev nbd4, sector 2 [ 1572.068571] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1572.077094] print_req_error: I/O error, dev nbd4, sector 4 [ 1572.082931] Buffer I/O error on dev nbd4, logical block 2, async page read [ 1572.092927] print_req_error: I/O error, dev nbd4, sector 6 [ 1572.098617] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1572.107116] print_req_error: I/O error, dev nbd4, sector 0 [ 1572.112873] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1572.120914] print_req_error: I/O error, dev nbd4, sector 2 [ 1572.126888] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1572.134981] print_req_error: I/O error, dev nbd4, sector 4 [ 1572.141199] Buffer I/O error on dev nbd4, logical block 2, async page read [ 1572.149709] print_req_error: I/O error, dev nbd4, sector 6 [ 1572.155624] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1572.163267] print_req_error: I/O error, dev nbd4, sector 0 [ 1572.169168] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1572.177003] print_req_error: I/O error, dev nbd4, sector 2 [ 1572.183017] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1572.192474] block nbd4: Device being setup by another task [ 1572.213415] FAULT_INJECTION: forcing a failure. [ 1572.213415] name failslab, interval 1, probability 0, space 0, times 0 [ 1572.224820] CPU: 1 PID: 19760 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1572.232720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1572.242079] Call Trace: [ 1572.244690] dump_stack+0x13e/0x194 [ 1572.248334] should_fail.cold+0x10a/0x14b [ 1572.252495] ? mqueue_i_callback+0x20/0x20 [ 1572.256747] should_failslab+0xd6/0x130 [ 1572.260736] ? mqueue_i_callback+0x20/0x20 [ 1572.264978] kmem_cache_alloc+0x2b5/0x770 [ 1572.269135] ? lock_acquire+0x170/0x3f0 [ 1572.273122] ? lock_downgrade+0x6e0/0x6e0 [ 1572.277039] block nbd4: Device being setup by another task [ 1572.277276] ? mqueue_i_callback+0x20/0x20 [ 1572.277331] mqueue_alloc_inode+0x18/0x40 11:01:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$KVM_SET_XCRS(0xffffffffffffffff, 0x4188aea7, &(0x7f0000000000)={0x6, 0x7, [{0x5, 0x0, 0x22}, {0x40}, {0xea, 0x0, 0xfc}, {0x3, 0x0, 0x1}, {0x3, 0x0, 0x4}, {0x5, 0x0, 0xd2}]}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1572.291346] ? mqueue_i_callback+0x20/0x20 [ 1572.295586] alloc_inode+0x5d/0x170 [ 1572.299228] new_inode_pseudo+0x14/0xe0 [ 1572.303214] new_inode+0x1b/0x40 [ 1572.306591] mqueue_get_inode+0x89/0xaf0 [ 1572.310656] ? mqueue_get_inode+0xaf0/0xaf0 [ 1572.314980] mqueue_fill_super+0x10f/0x1f0 [ 1572.319225] ? mqueue_get_inode+0xaf0/0xaf0 [ 1572.323555] mount_ns+0xdc/0x180 [ 1572.326931] mount_fs+0x92/0x2a0 [ 1572.330305] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1572.334814] kern_mount_data+0x51/0xb0 [ 1572.338247] block nbd4: Device being setup by another task [ 1572.338711] mq_init_ns+0x15e/0x210 [ 1572.338722] copy_ipcs+0x345/0x3e0 [ 1572.338737] create_new_namespaces+0x1d4/0x730 [ 1572.338756] copy_namespaces+0x27b/0x310 [ 1572.355307] block nbd4: Device being setup by another task [ 1572.356102] copy_process.part.0+0x2603/0x6a50 [ 1572.370376] ? get_pid_task+0xb8/0x130 [ 1572.374278] ? save_trace+0x290/0x290 [ 1572.378101] ? __lock_is_held+0xad/0x140 [ 1572.382210] ? __cleanup_sighand+0x40/0x40 [ 1572.386453] ? lock_downgrade+0x6e0/0x6e0 [ 1572.390618] _do_fork+0x180/0xc80 11:01:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000000)={0x0, 0xc0fe, &(0x7f0000000180)={&(0x7f00000007c0)=@newlink={0x48, 0x10, 0xe3b, 0x0, 0x0, {0xea}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}]}, 0x48}}, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1572.394083] ? fork_idle+0x270/0x270 [ 1572.397799] ? fput+0xb/0x140 [ 1572.400935] ? SyS_write+0x14d/0x210 [ 1572.404656] ? SyS_read+0x210/0x210 [ 1572.408291] ? SyS_clock_settime+0x1a0/0x1a0 [ 1572.412705] ? do_syscall_64+0x4c/0x640 [ 1572.416693] ? sys_vfork+0x20/0x20 [ 1572.419624] block nbd4: Device being setup by another task [ 1572.420236] do_syscall_64+0x1d5/0x640 [ 1572.420256] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1572.420265] RIP: 0033:0x45c829 11:01:38 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000040)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797", 0x203a2f48}) 11:01:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) dup(r3) sendfile(r3, r2, 0x0, 0x1c01) ioctl$RNDCLEARPOOL(r2, 0x5206, &(0x7f0000000040)=0x3ff) ioctl$EXT4_IOC_GROUP_ADD(r1, 0x40286608, &(0x7f0000000000)={0x81f6, 0x1, 0xffffffff, 0x7, 0x1, 0x1}) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x0) [ 1572.420270] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1572.420281] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1572.420287] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1572.420296] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1572.436716] batman_adv: Cannot find parent device [ 1572.438154] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1572.438161] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:38 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_IPV6_DSTOPTS(r1, 0x29, 0x3b, &(0x7f0000000000)={0x2e, 0x5, [], [@calipso={0x7, 0x28, {0x2, 0x8, 0x8, 0x3, [0x5, 0x7, 0x7, 0xfffffffffffffffc]}}]}, 0x38) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r4, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r5 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x200000, 0x0) read$alg(r5, &(0x7f00000000c0)=""/95, 0x5f) 11:01:38 executing program 0: openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) [ 1572.584377] block nbd2: Device being setup by another task [ 1572.618232] block nbd2: Device being setup by another task [ 1572.624612] block nbd1: Device being setup by another task 11:01:38 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:38 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x8, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:38 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$SIOCX25SCAUSEDIAG(r1, 0x89ec, &(0x7f0000000040)={0x0, 0x20}) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) ioctl$BLKIOMIN(0xffffffffffffffff, 0x1278, &(0x7f0000000100)) setsockopt$IP_VS_SO_SET_ZERO(r1, 0x0, 0x48f, &(0x7f00000000c0)={0x2f, @local, 0x4e23, 0x3, 'lblcr\x00', 0x23, 0x9, 0x52}, 0x2c) r3 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) connect$l2tp6(r3, &(0x7f0000000140)={0xa, 0x0, 0x0, @loopback, 0x5, 0x4}, 0x20) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) dup(r4) sendfile(r4, r3, 0x0, 0x1c01) mmap$snddsp_control(&(0x7f0000ffb000/0x3000)=nil, 0x1000, 0x1000008, 0x11, r3, 0x83000000) ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000000)={0x0, 0x2a, 0x70e3, 0x400, 0x17, "988f696864ccd732"}) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) prctl$PR_SET_TSC(0x1a, 0x3) 11:01:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x5) ioctl$VIDIOC_S_EXT_CTRLS(0xffffffffffffffff, 0xc0205648, &(0x7f0000000040)={0x980000, 0x8, 0x35, r0, 0x0, &(0x7f0000000000)={0x9e0902, 0x40, [], @value64=0x10001}}) write$rfkill(r2, &(0x7f00000000c0)={0x9, 0x9, 0x1, 0x1, 0x1}, 0x8) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r3, 0xab02, 0x0) msgget(0x2, 0x340) r4 = msgget$private(0x0, 0x0) msgctl$IPC_SET(r4, 0x1, &(0x7f0000000580)={{0x0}}) msgsnd(r4, &(0x7f0000000000)={0x3}, 0x8, 0x800) msgctl$IPC_STAT(0xffffffffffffffff, 0x2, &(0x7f0000000100)=""/41) [ 1572.813969] block nbd4: Device being setup by another task [ 1572.829237] batman_adv: Cannot find parent device 11:01:38 executing program 3 (fault-call:12 fault-nth:31): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:38 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r1, 0xc058534b, &(0x7f00000000c0)={0x2, 0x4, 0xfffffffc, 0x6, 0x2, 0x6}) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x200002) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) write$binfmt_script(r4, &(0x7f00000001c0)=ANY=[@ANYBLOB="2321202e2f66696c65300a2bd897d4fbe6702d3d788bb69a93cdc1c49785128e3bc0ff031902bcdbf0ac84438f044646fa8ea39cd40a071b02339fb4d4534cb4245a58aedbc61ded683029cd921659a31bb6d21424b46e1c0ee57759479939d654dfc41b08e6a9752ac0ffa8d6390888b8b7b70a05672650dce7"], 0x7a) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1572.864692] block nbd2: Device being setup by another task 11:01:38 executing program 1: clone(0x2000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x437) ioctl$VIDIOC_QUERYBUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000a80)={0xab, 0x9, 0x4, 0x200000, 0x7, {}, {0x4, 0x2, 0x8, 0x80, 0x5, 0x0, "317329b6"}, 0x8, 0x1, @userptr, 0x3, 0x0, 0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$sock_bt_bnep_BNEPCONNADD(r0, 0x400442c8, &(0x7f0000000b00)={r2, 0x544, 0x6, "bece5e30359812641332aecc6df78abfbe33d714ab58e6503f735c92623f493ed1fb07eef2b7b18df20671cecc4fe1e483b69c605d79841bfe4a28adee00e6141275517b4625db5dcb26b5f1b8b8e678068939f6b73635d178bd0bae73bf4bcefc6c3fc375ac0b77423da7d38f691c690b0c4ab9d931debfb54f4e396c66918fc03ae372e950f6249d43a68061e3e031c0acfbe7ba1019284cf647e1a0d6fbcaeb2f1c1f7f21046b0267c598c0bb5694dca6ce966e775d4937802bea33ed553fbf331e9b4b7668b8b2a580800252c1b79c3662bd7b1527c4ff80e332ba5061d17f18895eb4263d59eead"}) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket$netlink(0x10, 0x3, 0x0) r6 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r6, 0xc0045002, &(0x7f0000000080)) r7 = dup(r6) write$FUSE_NOTIFY_INVAL_ENTRY(r7, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$SG_GET_RESERVED_SIZE(r7, 0x2272, &(0x7f0000000000)) recvmmsg(r5, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1572.938880] block nbd2: Device being setup by another task 11:01:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept$inet(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @loopback}, &(0x7f00000000c0)=0x10) close(r3) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f0000000000)={0xc6ca, 0xffff, 0xfff, 0xe4c9, 0x9}) 11:01:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) dup(r4) sendfile(r4, r3, 0x0, 0x1c01) sendmsg$RDMA_NLDEV_CMD_SYS_SET(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x48, 0x1407, 0x200, 0x70bd29, 0x25dfdbff, "", [@RDMA_NLDEV_NET_NS_FD={0x8, 0x44, r3}, @RDMA_NLDEV_ATTR_DEV_NAME={0x9, 0x2, 'syz1\x00'}, @RDMA_NLDEV_ATTR_DEV_DIM={0x5}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_NAME={0x9, 0x2, 'syz0\x00'}]}, 0x48}, 0x1, 0x0, 0x0, 0x144}, 0x4040000) [ 1573.088194] block nbd1: Device being setup by another task [ 1573.102135] block nbd4: Device being setup by another task 11:01:39 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000140)='/dev/null\x00', 0x101200, 0x0) ioctl$KDSIGACCEPT(r1, 0x4b4e, 0x2a) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) accept$ax25(0xffffffffffffffff, &(0x7f0000000280)={{0x3, @null}, [@rose, @remote, @bcast, @null, @netrom, @netrom, @default, @rose]}, &(0x7f0000000300)=0xffffffffffffffa8) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) getpeername(r3, &(0x7f0000000180)=@rxrpc=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @loopback}}, &(0x7f0000000340)=0xfffffffffffffff4) ioctl$DRM_IOCTL_AGP_ACQUIRE(r1, 0x6430) ioctl$VIDIOC_G_EXT_CTRLS(0xffffffffffffffff, 0xc0205647, &(0x7f00000000c0)={0x9b0000, 0x1, 0x5, 0xffffffffffffffff, 0x0, &(0x7f0000000040)={0xa10908, 0x5, [], @value=0x7fff}}) r5 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r6 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r6, 0xc0045002, &(0x7f0000000080)) dup(r6) sendfile(r6, r5, 0x0, 0x1c01) ioctl$VIDIOC_ENUM_FMT(r5, 0xc0405602, &(0x7f0000000240)={0x0, 0xa, 0x2, "569ad972649ee397dc395b49573ba6bb48dd3772b84907972b92fe2945d5fc16", 0x20303159}) ioctl$SOUND_MIXER_READ_CAPS(r4, 0x80044dfc, &(0x7f0000000100)) [ 1573.128416] FAULT_INJECTION: forcing a failure. [ 1573.128416] name failslab, interval 1, probability 0, space 0, times 0 [ 1573.140057] CPU: 0 PID: 19834 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1573.147954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1573.157334] Call Trace: [ 1573.159973] dump_stack+0x13e/0x194 [ 1573.163614] should_fail.cold+0x10a/0x14b [ 1573.167772] ? mqueue_get_inode+0xaf0/0xaf0 [ 1573.172099] should_failslab+0xd6/0x130 [ 1573.176092] kmem_cache_alloc_trace+0x2db/0x7b0 [ 1573.180768] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1573.186227] ? sget_userns+0x102/0xc30 [ 1573.190122] ? rcu_read_lock_sched_held+0x10a/0x130 [ 1573.195145] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 1573.200000] ? mqueue_get_inode+0xaf0/0xaf0 [ 1573.204326] selinux_sb_alloc_security+0x41/0x210 [ 1573.209274] security_sb_alloc+0x66/0xa0 [ 1573.213347] sget_userns+0x194/0xc30 [ 1573.217083] ? get_empty_filp.cold+0x37/0x37 [ 1573.221499] ? set_anon_super+0x20/0x20 [ 1573.225489] ? mqueue_get_inode+0xaf0/0xaf0 [ 1573.229833] mount_ns+0x65/0x180 [ 1573.233219] mount_fs+0x92/0x2a0 [ 1573.236596] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1573.241100] kern_mount_data+0x51/0xb0 [ 1573.244999] mq_init_ns+0x15e/0x210 [ 1573.248636] copy_ipcs+0x345/0x3e0 [ 1573.252198] create_new_namespaces+0x1d4/0x730 [ 1573.256796] copy_namespaces+0x27b/0x310 [ 1573.260872] copy_process.part.0+0x2603/0x6a50 [ 1573.265473] ? get_pid_task+0xb8/0x130 [ 1573.269370] ? save_trace+0x290/0x290 [ 1573.273186] ? __lock_is_held+0xad/0x140 11:01:39 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000000200)={0x0, 0x5e, "54993df26dbbfeb5fd0606d6fb9de09da55954a48fc9150c82e1b5c7929c156b3f1c2f7e6a0da7b59e1c200854de3285ff6e5e463a38c919b86db2bc0f7361779409ed7e79b114809b5be27b52614b6bafdd3c338b7dc3698aaefb4c4897"}, &(0x7f0000000180)=0x66) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1573.277263] ? __cleanup_sighand+0x40/0x40 [ 1573.281506] ? lock_downgrade+0x6e0/0x6e0 [ 1573.285672] _do_fork+0x180/0xc80 [ 1573.289231] ? fork_idle+0x270/0x270 [ 1573.292950] ? fput+0xb/0x140 [ 1573.296062] ? SyS_write+0x14d/0x210 [ 1573.299786] ? SyS_read+0x210/0x210 [ 1573.303423] ? SyS_clock_settime+0x1a0/0x1a0 [ 1573.307845] ? do_syscall_64+0x4c/0x640 [ 1573.311840] ? sys_vfork+0x20/0x20 [ 1573.315422] do_syscall_64+0x1d5/0x640 [ 1573.319334] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1573.324549] RIP: 0033:0x45c829 11:01:39 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000040)='/dev/nvme-fabrics\x00', 0x40000, 0x0) ioctl$TCSBRK(r1, 0x5409, 0xffff) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1573.327747] RSP: 002b:00007f0c68825c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1573.335492] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1573.342779] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1573.350074] RBP: 000000000078bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 1573.357356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1573.364632] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c688266d4 11:01:39 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS(r0, 0xc0406619, &(0x7f00000001c0)={{0x0, 0x0, @identifier="bcaf2f201f07bee212efc46e4eabe148"}}) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) recvfrom$netrom(0xffffffffffffffff, &(0x7f00000000c0)=""/222, 0xde, 0x40000002, &(0x7f0000000000)={{0x3, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, 0x4000000}, [@null, @default, @null, @default, @null, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast]}, 0x48) [ 1573.412820] block nbd4: Device being setup by another task [ 1573.419084] block nbd2: Device being setup by another task 11:01:39 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) accept$alg(r1, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_TREAD(r1, 0x40045402, &(0x7f0000000000)) 11:01:39 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_init_net_socket$ax25(0x3, 0x5, 0x8) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) getsockopt$ax25_int(r1, 0x101, 0x3, 0x0, &(0x7f0000000040)=0x46) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1573.475583] block nbd4: Device being setup by another task 11:01:39 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0x0, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:39 executing program 3 (fault-call:12 fault-nth:32): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:39 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) syz_genetlink_get_family_id$tipc2(&(0x7f0000000100)='TIPCv2\x00') ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f00000000c0)={0xfffffffe, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797", 0x34325842}) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) ioctl$VIDIOC_REQBUFS(r1, 0xc0145608, &(0x7f0000000040)={0x400, 0x9, 0x2}) sendmsg$NFT_MSG_GETSET(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1c080e730a0a010400000000000000434f755dfd918f6c4000000002"], 0x1c}, 0x1, 0x0, 0x0, 0x41}, 0x40001) 11:01:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x2, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) dup(r3) sendfile(r3, r2, 0x0, 0x1c01) r4 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r5) write$P9_RSTATu(r2, &(0x7f00000000c0)=ANY=[@ANYBLOB="730000007d0100fb00540002002f000000020100000003008b2a0000000000000004f77f000002000000cc00000000000a002f6465762f6e626423000a002f6465762f6e626423000d002c26766d6e65743073656c662e0a00657403c58a649e7a1699", @ANYRES32=0xee01, @ANYRES32=0x0, @ANYRES32=r5], 0x73) ioctl$NBD_DO_IT(r0, 0xab03) r6 = accept(0xffffffffffffffff, 0x0, &(0x7f0000000000)) r7 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) ioctl$sock_bt_cmtp_CMTPCONNADD(r6, 0x400443c8, &(0x7f0000000040)={r8, 0x80000001}) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:39 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000000000)={0x3, 0x3, 0x4, 0x2000, &(0x7f0000ffc000/0x2000)=nil}) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 11:01:39 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r3 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) dup(r4) sendfile(r4, r3, 0x0, 0x1c01) ioctl$KVM_CREATE_DEVICE(r3, 0xc00caee0, &(0x7f0000000000)={0x2}) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r5, 0xc0045002, &(0x7f0000000080)) r6 = dup(r5) write$FUSE_NOTIFY_INVAL_ENTRY(r6, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) ioctl$VIDIOC_QBUF(r6, 0xc058560f, &(0x7f00000000c0)={0x3, 0x9, 0x4, 0x20000000, 0x80000000, {r7, r8/1000+10000}, {0x3, 0xc, 0x1, 0x20, 0x5e, 0x2, "65bbfcce"}, 0x1000, 0x4, @userptr=0x4b, 0x78f, 0x0, 0xffffffffffffffff}) getsockopt$netrom_NETROM_T4(r9, 0x103, 0x6, &(0x7f0000000140)=0x4, &(0x7f00000001c0)=0x4) 11:01:39 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x2) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = accept4$inet6(r2, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={[], [], @private}}, &(0x7f0000000040)=0x1c, 0x80000) r4 = accept$packet(0xffffffffffffffff, 0x0, &(0x7f00000000c0)) ioctl$sock_inet_SIOCGIFADDR(r4, 0x8915, &(0x7f0000000100)={'xfrm0\x00', {0x2, 0x4e24, @multicast2}}) write$binfmt_elf64(r3, &(0x7f0000000780)=ANY=[@ANYBLOB="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"/1564], 0x613) [ 1573.892791] block nbd4: Device being setup by another task 11:01:39 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IPT_SO_GET_REVISION_MATCH(0xffffffffffffffff, 0x0, 0x42, &(0x7f0000000100)={'HL\x00'}, &(0x7f0000000180)=0x1e) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0x4, @perf_config_ext={0x5, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x1) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) dup3(r3, 0xffffffffffffffff, 0x0) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:39 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/lblc_expiration\x00', 0x2, 0x0) ioctl$RTC_UIE_ON(r1, 0x7003) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:39 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) bind$alg(r0, &(0x7f00000000c0)={0x26, 'hash\x00', 0x0, 0x0, 'rmd256\x00'}, 0x58) ioctl$TIOCL_PASTESEL(0xffffffffffffffff, 0x541c, &(0x7f0000000140)) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = accept$alg(r0, 0x0, 0x0) recvmmsg(r3, &(0x7f0000002d00)=[{{0x0, 0x0, &(0x7f0000002700)=[{&(0x7f0000001580)=""/4081, 0x1000}], 0x1}}], 0x40000000000006d, 0x0, 0x0) prctl$PR_SET_SECCOMP(0x16, 0x1, &(0x7f0000000040)) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r5, 0xc0045002, &(0x7f0000000080)) r6 = dup(r5) write$FUSE_NOTIFY_INVAL_ENTRY(r6, &(0x7f00000007c0)=ANY=[@ANYBLOB="000000578ecf000000004000000000000000be3ced28c64ec8cf7ba1356838cedf362f1e242141010000000100bbaae8026bb9d505b762a35798ae1460e36fc6051fb51d63f93d1da8ce49c5a94610f07a6af7fa325c8d3b43edfd887968d095820a35d5995dbe4ce694b92803cbd18cd22bd494c69a0d4cd7f20b4f8eb69537319cfe54c0310d4f0b7007da6a2085cafc47e555d1f3292ce92886d27a6dfa5eabb6877b6d4720f7ecabfe2c06e2f179bed4c1f97bf46ef90573fe665bc9c2d9fe102ab177e17288fe044a88f8af74b9333ff1e579e00149a05fa6359f5cca225e2c164f7b53cf361490d948a917de4b9fb766e2a8f6d7ae24a200b8b3d1cc381ec09ae6698f6b15a54af1de0231f4261d8ff5a85256461d3c8270fb10b5178757c123c56e6cad14212be6dcb0c4f51fc5551292a72af843c7632e4afe762f11ac5af3e69300205951104f673f59d04734630d6f85eb4b2a453120a3bacdbf65b15edf007c7626bd64488be9a76b8bcb9eaf91be4e0e5db82844f7e760de05420c474695f88bda976f082e680072aa070b9d947ad58a5d05d65414666fff5ff71a8f028fc8a0033c0e03484ad6999765619ca028ecb3180e64026571a89a2ef81f09ecbc0c53310b06edacb40bfcea9d810a079740df729af3fda30754c8a7158f25ed4c85c5c7fbe96e986115cc1979de3c936edc277982cad421338154631a2f29c38d24403efa116702153f011bae08e54944d1c1409caf62f0cd2d08311306df4e6f2fe492d815a59adb0c05b7f0f4fec765b439e26426aa8ef48cc5ef30e389222b0675cf813179d451276930961d175ce3e1815daf24ef288c2b17f34516ec25a5ef1b76a24ecfd05ce58317627288af0ee5c9a4f4496b17ba99b30bda43863c68cf06b9086835b41c689db1cee96e2bc072edc166967aa0d85e03adde2b9865d1d69d006f63a1d6e171"], 0x12) ioctl$VIDIOC_SUBSCRIBE_EVENT(0xffffffffffffffff, 0x4020565a, &(0x7f00000001c0)={0x8001003, 0x7, 0x2}) ioctl$UFFDIO_ZEROPAGE(r6, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000fff000/0x1000)=nil, 0x1000}}) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x437) close(r4) [ 1574.001759] block nbd2: Device being setup by another task [ 1574.017838] block nbd2: Device being setup by another task [ 1574.073470] FAULT_INJECTION: forcing a failure. [ 1574.073470] name failslab, interval 1, probability 0, space 0, times 0 [ 1574.085079] CPU: 0 PID: 19909 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1574.092983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1574.102338] Call Trace: [ 1574.104941] dump_stack+0x13e/0x194 [ 1574.108566] should_fail.cold+0x10a/0x14b [ 1574.112719] should_failslab+0xd6/0x130 [ 1574.116694] kmem_cache_alloc+0x2b5/0x770 [ 1574.120845] ? mqueue_alloc_inode+0x18/0x40 [ 1574.125165] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1574.130614] selinux_inode_alloc_security+0xb1/0x2a0 [ 1574.135732] security_inode_alloc+0x8f/0xd0 [ 1574.140057] inode_init_always+0x576/0xb20 [ 1574.144305] alloc_inode+0x7a/0x170 [ 1574.147959] new_inode_pseudo+0x14/0xe0 [ 1574.151933] new_inode+0x1b/0x40 [ 1574.155299] mqueue_get_inode+0x89/0xaf0 [ 1574.159366] ? mqueue_get_inode+0xaf0/0xaf0 [ 1574.163686] mqueue_fill_super+0x10f/0x1f0 [ 1574.167935] ? mqueue_get_inode+0xaf0/0xaf0 [ 1574.172341] mount_ns+0xdc/0x180 [ 1574.175703] mount_fs+0x92/0x2a0 [ 1574.179061] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1574.183547] kern_mount_data+0x51/0xb0 [ 1574.187429] mq_init_ns+0x15e/0x210 [ 1574.191062] copy_ipcs+0x345/0x3e0 [ 1574.194595] create_new_namespaces+0x1d4/0x730 [ 1574.199170] copy_namespaces+0x27b/0x310 [ 1574.203227] copy_process.part.0+0x2603/0x6a50 [ 1574.207802] ? get_pid_task+0xb8/0x130 [ 1574.214201] ? save_trace+0x290/0x290 [ 1574.218008] ? __lock_is_held+0xad/0x140 [ 1574.222080] ? __cleanup_sighand+0x40/0x40 [ 1574.226323] ? lock_downgrade+0x6e0/0x6e0 [ 1574.230481] _do_fork+0x180/0xc80 [ 1574.233935] ? fork_idle+0x270/0x270 [ 1574.237643] ? fput+0xb/0x140 [ 1574.240742] ? SyS_write+0x14d/0x210 [ 1574.244461] ? SyS_read+0x210/0x210 [ 1574.248078] ? SyS_clock_settime+0x1a0/0x1a0 [ 1574.252478] ? do_syscall_64+0x4c/0x640 [ 1574.256445] ? sys_vfork+0x20/0x20 [ 1574.260001] do_syscall_64+0x1d5/0x640 [ 1574.263897] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1574.269084] RIP: 0033:0x45c829 [ 1574.272280] RSP: 002b:00007f0c68825c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1574.279994] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1574.287445] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1574.294704] RBP: 000000000078bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 1574.301961] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1574.309231] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c688266d4 [ 1574.442314] audit: type=1326 audit(1588762900.289:67): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=19932 comm="syz-executor.4" exe="/root/syz-executor.4" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45f66a code=0x0 11:01:40 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000000280)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}, {{0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000200)=""/126, 0x7e}], 0x1, &(0x7f0000000340)=""/130, 0x82}, 0x7}], 0x2, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0xffff, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:40 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) r3 = getgid() r4 = socket$inet_udplite(0x2, 0x2, 0x88) fstat(r4, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r7 = socket$inet_udplite(0x2, 0x2, 0x88) fstat(r7, &(0x7f0000001b80)) lsetxattr$system_posix_acl(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000140)='system.posix_acl_access\x00', &(0x7f0000000180)=ANY=[@ANYRES16=r5, @ANYRES32=r3, @ANYBLOB='\b\x00\a\x00', @ANYRES32=r6, @ANYBLOB='\b\x00\a\x00', @ANYRES64, @ANYRESOCT], 0x3c, 0x0) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f00000001c0)={{0x1, 0x0, 0x0, r2, r3, 0x10}, 0x94, 0x200, 0x0, 0x0, 0x0, 0x0, 0x1}) r8 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r9 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r8, 0xab00, r9) r10 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x80402) r11 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r10, 0xab00, r11) ioctl$sock_inet_SIOCSIFDSTADDR(r11, 0x8918, &(0x7f0000000100)={'gre0\x00', {0x2, 0x4e22, @loopback}}) getsockopt$inet6_mreq(r9, 0x29, 0x15, &(0x7f0000000000)={@empty}, &(0x7f00000000c0)=0x14) 11:01:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1e, 0xa, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = shmget$private(0x0, 0x4000, 0x0, &(0x7f0000003000/0x4000)=nil) shmctl$SHM_INFO(r2, 0xe, &(0x7f0000000340)=""/245) shmctl$SHM_UNLOCK(r2, 0xc) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) r3 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGPGRP(r3, 0x8904, &(0x7f0000000000)) 11:01:40 executing program 3 (fault-call:12 fault-nth:33): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x8002) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x503181) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x1, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r5, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x6c, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000040)={r6, @in6={{0xa, 0x4e22, 0x1, @private0, 0x5}}, 0x4, 0xfffffff7, 0x1, 0x2}, &(0x7f0000000100)=0x98) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000140)={r7, 0x28}, &(0x7f0000000180)=0x8) 11:01:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x400200, 0x0) ioctl$RNDCLEARPOOL(r2, 0x5206, &(0x7f0000000040)=0x9) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:40 executing program 0: openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cachefiles\x00', 0x0, 0x0) pipe(&(0x7f0000000180)) r0 = openat$zero(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/zero\x00', 0x208000, 0x0) r1 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video35\x00', 0x2, 0x0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080)='nl80211\x00') sendmsg$NL80211_CMD_GET_STATION(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=ANY=[], 0x1c}}, 0x0) sendmsg$NL80211_CMD_STOP_SCHED_SCAN(r0, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r5, 0x1, 0x70bd26, 0x25dfdbfd, {}, [@NL80211_ATTR_WDEV={0xc, 0x99, {0x400, 0x2}}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0xffffffffffffffff}]}, 0x28}, 0x1, 0x0, 0x0, 0x8004}, 0x404c090) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r6) open_by_handle_at(r6, &(0x7f0000000300)={0x123, 0xd5, "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"}, 0x40) r7 = dup(r2) write$FUSE_NOTIFY_INVAL_ENTRY(r7, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$TCGETS2(r7, 0x802c542a, &(0x7f00000000c0)) ioctl$VIDIOC_ENUM_FMT(r1, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:40 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x1, 0x4, 0x3, 0xffffffffffffffff}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x1, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1574.874539] block nbd4: Device being setup by another task [ 1574.883205] block nbd0: Device being setup by another task [ 1574.904084] block nbd4: Device being setup by another task 11:01:40 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000000940)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000900)={&(0x7f0000000280)={0x674, 0x0, 0x200, 0x70bd2a, 0x25dfdbff, {}, [{{0x8}, {0xc0, 0x2, 0x0, 0x1, [{0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x5}, {0x8, 0x4, 0x9}}}, {0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x5}, {0x8, 0x4, 0x11af}}}, {0x4c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8}, {0x198, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24, 0x1, 'activeport\x00'}, {0x5}, {0x8}}}, {0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x5}, {0x8, 0x4, 0x2}}}, {0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x5}, {0x4}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x5}, {0x8}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24, 0x1, 'activeport\x00'}, {0x5}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x5}, {0x8, 0x4, 0x2}}}, {0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x5}, {0x8, 0x4, 0x9}}}]}}, {{0x8}, {0x140, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x5}, {0x8}}, {0x8}}}, {0x40, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x5}, {0x10, 0x4, 'loadbalance\x00'}}}, {0x40, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x5}, {0x10, 0x4, 'loadbalance\x00'}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24, 0x1, 'user_linkup_enabled\x00'}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x1e4, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24, 0x1, 'activeport\x00'}, {0x5}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x5}, {0x8, 0x4, 0x800}}, {0x8}}}, {0x4c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x5}, {0x8}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x5}, {0x4}}, {0x8}}}, {0x5c, 0x1, @bpf_hash_func={{0x24, 0x1, 'bpf_hash_func\x00'}, {0x5}, {0x2c, 0x4, [{0x6, 0x6, 0x1f, 0x1}, {0x7fff, 0x1, 0x20, 0x8}, {0x0, 0xff, 0xb7, 0x400}, {0xffff, 0x8, 0x6b, 0x1}, {0x6, 0x7, 0x40}]}}}, {0x44, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x5}, {0x11, 0x4, 'activebackup\x00'}}}]}}, {{0x8}, {0xbc, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x5}, {0x8, 0x4, 0x81}}, {0x8}}}, {0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x5}, {0x8, 0x4, 0x8}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24, 0x1, 'activeport\x00'}, {0x5}, {0x8, 0x4, r4}}}]}}]}, 0x674}, 0x1, 0x0, 0x0, 0x801}, 0x4000) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r7, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1574.929404] block nbd0: Device being setup by another task 11:01:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$sock_SIOCDELDLCI(r2, 0x8981, &(0x7f0000000000)={'batadv_slave_1\x00', 0x2}) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 1574.980600] block nbd4: Device being setup by another task 11:01:40 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) sendmsg$AUDIT_LIST_RULES(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x10, 0x3f5, 0x8, 0x70bd27, 0x25dfdbfd, "", ["", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x40004}, 0x4040081) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1575.076401] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1575.102661] FAULT_INJECTION: forcing a failure. [ 1575.102661] name failslab, interval 1, probability 0, space 0, times 0 [ 1575.114025] CPU: 1 PID: 19996 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1575.121914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1575.131877] Call Trace: [ 1575.134486] dump_stack+0x13e/0x194 [ 1575.138112] should_fail.cold+0x10a/0x14b [ 1575.142268] should_failslab+0xd6/0x130 [ 1575.146244] kmem_cache_alloc_trace+0x2db/0x7b0 [ 1575.150916] ? __lock_acquire+0x5f7/0x4620 [ 1575.155149] selinux_parse_opts_str+0x3ba/0xa30 [ 1575.159940] ? selinux_sb_show_options+0xca0/0xca0 [ 1575.164896] ? trace_hardirqs_on+0x10/0x10 [ 1575.169130] ? do_raw_spin_unlock+0x164/0x250 [ 1575.173643] superblock_doinit+0xe1/0x1f0 [ 1575.177872] ? selinux_parse_opts_str+0xa30/0xa30 [ 1575.182734] ? find_held_lock+0x2d/0x110 [ 1575.186791] ? mount_ns+0xb3/0x180 [ 1575.190328] selinux_sb_kern_mount+0x91/0x210 [ 1575.194819] ? delayed_superblock_init+0x20/0x20 [ 1575.199568] ? lock_downgrade+0x6e0/0x6e0 [ 1575.203719] security_sb_kern_mount+0x76/0xb0 [ 1575.208214] mount_fs+0x149/0x2a0 [ 1575.211665] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1575.216165] kern_mount_data+0x51/0xb0 [ 1575.220228] mq_init_ns+0x15e/0x210 [ 1575.223870] copy_ipcs+0x345/0x3e0 [ 1575.227408] create_new_namespaces+0x1d4/0x730 [ 1575.231990] copy_namespaces+0x27b/0x310 [ 1575.236045] copy_process.part.0+0x2603/0x6a50 [ 1575.240631] ? get_pid_task+0xb8/0x130 [ 1575.244525] ? save_trace+0x290/0x290 [ 1575.248318] ? __lock_is_held+0xad/0x140 [ 1575.252385] ? __cleanup_sighand+0x40/0x40 [ 1575.256612] ? lock_downgrade+0x6e0/0x6e0 [ 1575.260756] _do_fork+0x180/0xc80 [ 1575.264215] ? fork_idle+0x270/0x270 [ 1575.267918] ? fput+0xb/0x140 [ 1575.271028] ? SyS_write+0x14d/0x210 [ 1575.274730] ? SyS_read+0x210/0x210 [ 1575.278358] ? SyS_clock_settime+0x1a0/0x1a0 [ 1575.282765] ? do_syscall_64+0x4c/0x640 [ 1575.286740] ? sys_vfork+0x20/0x20 [ 1575.290298] do_syscall_64+0x1d5/0x640 [ 1575.294204] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1575.299389] RIP: 0033:0x45c829 [ 1575.302569] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1575.310300] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1575.317561] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1575.324842] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1575.332135] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1575.339411] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 [ 1575.351098] block nbd4: Device being setup by another task 11:01:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) getsockopt$ARPT_SO_GET_INFO(r1, 0x0, 0x60, &(0x7f0000000000)={'filter\x00'}, &(0x7f00000000c0)=0x44) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:41 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000100)=""/16, 0x10}, {&(0x7f0000000200)=""/211, 0xd3}, {&(0x7f0000000340)=""/103, 0x67}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/204, 0xcc}], 0x5}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1575.372859] block nbd4: Device being setup by another task [ 1575.382698] block nbd2: Device being setup by another task [ 1575.395070] block nbd4: Device being setup by another task [ 1575.395585] block nbd0: Device being setup by another task 11:01:41 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000040)=0x1) dup(r3) sendfile(r3, r2, 0x0, 0x1c01) ioctl$VIDIOC_SUBDEV_G_SELECTION(r2, 0xc040563d, &(0x7f0000000000)={0x1, 0x0, 0x102, 0x1, {0x8, 0x9b, 0x401, 0x89}}) r4 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r4, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1575.469237] block nbd2: Device being setup by another task [ 1575.532063] block nbd4: Device being setup by another task [ 1575.567366] block nbd4: Device being setup by another task 11:01:41 executing program 3 (fault-call:12 fault-nth:34): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:41 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)=0x2) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) write$FUSE_NOTIFY_INVAL_ENTRY(0xffffffffffffffff, &(0x7f00000007c0)=ANY=[@ANYRES64=r2], 0x12) write$FUSE_STATFS(0xffffffffffffffff, &(0x7f00000000c0)={0x60, 0x0, 0x7, {{0x38d46ca9, 0x1, 0xd66, 0x5, 0x2, 0x7, 0x5, 0x97a3}}}, 0x60) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:41 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x8010) 11:01:41 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = accept4(r0, &(0x7f0000000000)=@l2tp6={0xa, 0x0, 0x0, @empty}, &(0x7f00000000c0)=0x80, 0x80800) connect$caif(r1, &(0x7f0000000100)=@dgm={0x25, 0x80000000}, 0x18) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) r8 = dup(r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) r9 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r9, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:41 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x1d) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x6, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1575.790082] block nbd0: Device being setup by another task [ 1575.816987] block nbd0: Device being setup by another task [ 1575.833379] block nbd2: Device being setup by another task 11:01:41 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) ioctl$LOOP_GET_STATUS(r1, 0x4c03, &(0x7f00000000c0)) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000040)={0x0, 0x6, 0x0, "17cf77a37706d4fa33fe191b600f09dbe0caa9146ded0a5bb6ea22064cb06797", 0x3132564e}) 11:01:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) r4 = socket$inet_sctp(0x2, 0x1, 0x84) r5 = dup3(0xffffffffffffffff, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r5, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x6c, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b000) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r1, 0x84, 0x18, &(0x7f0000000040)={r6, 0x9}, 0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) ioctl$FITRIM(r2, 0xc0185879, &(0x7f0000000000)={0x2, 0x400000, 0x8000}) close(r0) [ 1575.842634] block nbd1: Device being setup by another task [ 1575.877229] block nbd1: Device being setup by another task [ 1575.886666] block nbd2: Device being setup by another task [ 1575.946463] block nbd2: Device being setup by another task [ 1575.952821] block nbd1: Device being setup by another task [ 1576.010899] block nbd4: Device being setup by another task [ 1576.020486] FAULT_INJECTION: forcing a failure. [ 1576.020486] name failslab, interval 1, probability 0, space 0, times 0 [ 1576.031762] CPU: 1 PID: 20064 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1576.039671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1576.049036] Call Trace: [ 1576.051636] dump_stack+0x13e/0x194 [ 1576.055264] should_fail.cold+0x10a/0x14b [ 1576.059407] should_failslab+0xd6/0x130 [ 1576.063394] kmem_cache_alloc+0x2b5/0x770 [ 1576.067546] ? put_itimerspec64+0x190/0x190 [ 1576.071877] ? mqueue_get_inode+0xaf0/0xaf0 [ 1576.076194] __d_alloc+0x2a/0x9b0 [ 1576.079657] ? mqueue_get_inode+0x2d8/0xaf0 [ 1576.083977] ? mqueue_get_inode+0xaf0/0xaf0 [ 1576.088302] d_make_root+0x3e/0xc0 [ 1576.091835] mqueue_fill_super+0x127/0x1f0 [ 1576.096060] ? mqueue_get_inode+0xaf0/0xaf0 [ 1576.100385] mount_ns+0xdc/0x180 [ 1576.103760] mount_fs+0x92/0x2a0 [ 1576.107121] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1576.111616] kern_mount_data+0x51/0xb0 [ 1576.115501] mq_init_ns+0x15e/0x210 [ 1576.119122] copy_ipcs+0x345/0x3e0 [ 1576.122671] create_new_namespaces+0x1d4/0x730 [ 1576.127264] copy_namespaces+0x27b/0x310 [ 1576.131323] copy_process.part.0+0x2603/0x6a50 [ 1576.135902] ? get_pid_task+0xb8/0x130 [ 1576.139783] ? save_trace+0x290/0x290 [ 1576.143591] ? __lock_is_held+0xad/0x140 [ 1576.147655] ? __cleanup_sighand+0x40/0x40 [ 1576.151893] ? lock_downgrade+0x6e0/0x6e0 [ 1576.156054] _do_fork+0x180/0xc80 [ 1576.159520] ? fork_idle+0x270/0x270 [ 1576.163229] ? fput+0xb/0x140 [ 1576.166333] ? SyS_write+0x14d/0x210 [ 1576.170730] ? SyS_read+0x210/0x210 [ 1576.174356] ? SyS_clock_settime+0x1a0/0x1a0 [ 1576.178785] ? do_syscall_64+0x4c/0x640 [ 1576.182753] ? sys_vfork+0x20/0x20 [ 1576.186283] do_syscall_64+0x1d5/0x640 [ 1576.190171] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1576.195353] RIP: 0033:0x45c829 [ 1576.198542] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 11:01:42 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) syz_genetlink_get_family_id$ipvs(&(0x7f0000000000)='IPVS\x00') prctl$PR_SET_KEEPCAPS(0x8, 0x1) 11:01:42 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x1, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0xffffffff}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:42 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x5, 0x0, "17cf77a37706d4fa33fe2bf00fe4592ba8090000f0ec0a53b6ea22064cb06797", 0x31435750}) ioctl$VIDIOC_QUERY_EXT_CTRL(r0, 0xc0e85667, 0xffffffffffffffff) r1 = openat$audio(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/audio\x00', 0x430a00, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) write$P9_RLOCK(r2, &(0x7f0000000040)={0x8, 0x35, 0x2}, 0x8) [ 1576.206257] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1576.213529] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1576.220799] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1576.228064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1576.235328] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = timerfd_create(0x8, 0x80000) ioctl$FS_IOC_GET_ENCRYPTION_PWSALT(r1, 0x40106614, &(0x7f00000002c0)) mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000240)='overlay\x00', 0x1000000, &(0x7f0000000280)=ANY=[@ANYBLOB="78696e6f3d6175746f2c696e6465783d6f6e2c6e66735f6570701cf843051e8b7d62010b212900000000000fce2c00"]) preadv(r1, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/161, 0xa1}, {&(0x7f0000000180)=""/141, 0x8d}], 0x2, 0x10000) 11:01:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x4000) lseek(r0, 0x5, 0x2) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 1576.426836] block nbd4: Device being setup by another task [ 1576.507146] block nbd4: Device being setup by another task 11:01:42 executing program 3 (fault-call:12 fault-nth:35): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:42 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) ioctl$RTC_EPOCH_SET(r1, 0x4008700e, 0x4d9) 11:01:42 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xa, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x38, 0x2, 0x0, 0x0, 0x4, 0x0, 0x0, 0x6}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000200)="ec330f3c295200db1f10b8d2048a122e07283068cda52f020519e7ef8b75e4d4491fbd6523468e498caf24960f3ef37a3846ad26f203e63453cdf9268a81e75d42fb89bec014a16d8560e754dc33560fa16e95376b7abfbdcf2bb50a2e897ec2717d10950ffe5ee67f3380a56d61a4e0739222706bf8e015d76f31cb40aac71966f91c58f5d8bfbc217b74ec5b52ef4764b473c2e238317ea76b0e35c0230ad95a4bba6fda694fb9029be631d7d93f4088170d5bc22653a39a16dc23d529ec1ad820", 0x5f1a90c90362e81f) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_bp={&(0x7f0000000100)}, 0x48063, 0x0, 0x0, 0x0, 0x8, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:42 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) getsockopt$IPT_SO_GET_INFO(0xffffffffffffffff, 0x0, 0x40, &(0x7f0000000000)={'raw\x00'}, &(0x7f0000000080)=0x54) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socket$netlink(0x10, 0x3, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept4$alg(r3, 0x0, 0x0, 0x0) 11:01:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000040)=0x18) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 11:01:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x26, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r2, &(0x7f0000000000)={0xa, 0x4e23}, 0x1c) listen(r2, 0x5eb05a) r3 = socket$inet_dccp(0x2, 0x6, 0x0) connect$inet(r3, &(0x7f0000000340)={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x1a}}, 0x10) r4 = accept4(r2, 0x0, 0x0, 0x0) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r5, 0xc0045002, &(0x7f0000000080)) r6 = dup(r5) write$FUSE_NOTIFY_INVAL_ENTRY(r6, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$USBDEVFS_GETDRIVER(r6, 0x41045508, &(0x7f00000000c0)={0x4, "0339ef19ed91320b1ab7654e2ce0ef4fb1578e83499fb13a8de6a5d42054f6e97c5dd04b7411427d8959f70cf371a34654e79fe3275b6d612e8bb28943cf022aa4eee2a5917aa260e4f66d693656ce8ad30860f3281fdb1f7824cfd0fcd877690c707928e8900140594631fdf8c4fa4c2430dcb5934bd40d824743bd9b8b0af6337f7b02fd2225bc5f77855fb4b082fa2448fd23f97c70460d8f8c11ddb31426caa17620d6a802ff5a17161b1b192df913b34b53e92dc265637ac689d9d3778e566184a8c52f01b335dbc9d3837ad2069565977efa254aef823d68f8aa33d55449f068830e81410d65237581af1df7a9fbc21a493bad715dd9f490bb40a317d7"}) sendmmsg(r4, &(0x7f0000000400)=[{{0x0, 0xfffffffffffffe00, 0x0}}], 0x1, 0x0) sendmsg$sock(r3, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) write$binfmt_script(r3, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:42 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r2, 0xc0145401, &(0x7f0000000040)={0x1, 0x2, 0x100, 0x2, 0x6}) [ 1576.684458] block nbd2: Device being setup by another task [ 1576.699200] block nbd2: Device being setup by another task 11:01:42 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) connect$rose(r1, &(0x7f0000000000)=@full={0xb, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @default, 0x1, [@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default]}, 0x40) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:42 executing program 4: ioctl$TIOCSPTLCK(0xffffffffffffffff, 0x40045431, &(0x7f0000000000)=0x1) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:42 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x2, 0x3, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797", 0x56595559}) [ 1576.850501] block nbd4: Device being setup by another task [ 1576.877091] FAULT_INJECTION: forcing a failure. [ 1576.877091] name failslab, interval 1, probability 0, space 0, times 0 [ 1576.888515] CPU: 0 PID: 20121 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 11:01:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000004c0)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="00a200f414090001007665e368"], 0x48}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYRESHEX, @ANYRES32, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x40809) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) sendmsg$NL80211_CMD_GET_MESH_CONFIG(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x8081}, 0x24014000) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x437) r5 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r6 = socket(0x28, 0x1, 0x6) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) sendfile(0xffffffffffffffff, r2, 0x0, 0xff) ioctl$KDFONTOP_SET_DEF(r1, 0x4b72, &(0x7f0000000000)={0x2, 0x1, 0x11, 0x17, 0x1f5, &(0x7f00000000c0)="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"}) 11:01:42 executing program 0: openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) dup(r1) sendfile(r1, r0, 0x0, 0x1c01) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1576.896411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1576.905778] Call Trace: [ 1576.908401] dump_stack+0x13e/0x194 [ 1576.912044] should_fail.cold+0x10a/0x14b [ 1576.916207] should_failslab+0xd6/0x130 [ 1576.920191] kmem_cache_alloc_trace+0x2db/0x7b0 [ 1576.924869] ? __lock_acquire+0x5f7/0x4620 [ 1576.929117] selinux_parse_opts_str+0x3ba/0xa30 [ 1576.933818] ? selinux_sb_show_options+0xca0/0xca0 [ 1576.938764] ? trace_hardirqs_on+0x10/0x10 [ 1576.943013] ? do_raw_spin_unlock+0x164/0x250 [ 1576.947517] superblock_doinit+0xe1/0x1f0 [ 1576.951676] ? selinux_parse_opts_str+0xa30/0xa30 [ 1576.956533] ? find_held_lock+0x2d/0x110 [ 1576.960599] ? mount_ns+0xb3/0x180 [ 1576.964155] selinux_sb_kern_mount+0x91/0x210 [ 1576.968665] ? delayed_superblock_init+0x20/0x20 [ 1576.973434] ? lock_downgrade+0x6e0/0x6e0 [ 1576.977596] security_sb_kern_mount+0x76/0xb0 [ 1576.982106] mount_fs+0x149/0x2a0 [ 1576.985591] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1576.990102] kern_mount_data+0x51/0xb0 [ 1576.993995] mq_init_ns+0x15e/0x210 [ 1576.997621] copy_ipcs+0x345/0x3e0 [ 1577.001177] create_new_namespaces+0x1d4/0x730 [ 1577.005780] copy_namespaces+0x27b/0x310 [ 1577.007366] block nbd2: Device being setup by another task [ 1577.009858] copy_process.part.0+0x2603/0x6a50 [ 1577.009878] ? get_pid_task+0xb8/0x130 [ 1577.009892] ? save_trace+0x290/0x290 [ 1577.009903] ? __lock_is_held+0xad/0x140 [ 1577.009923] ? __cleanup_sighand+0x40/0x40 [ 1577.009932] ? lock_downgrade+0x6e0/0x6e0 [ 1577.009947] _do_fork+0x180/0xc80 [ 1577.009960] ? fork_idle+0x270/0x270 [ 1577.009970] ? fput+0xb/0x140 [ 1577.009978] ? SyS_write+0x14d/0x210 [ 1577.009987] ? SyS_read+0x210/0x210 [ 1577.009998] ? SyS_clock_settime+0x1a0/0x1a0 [ 1577.010009] ? do_syscall_64+0x4c/0x640 [ 1577.010017] ? sys_vfork+0x20/0x20 [ 1577.010028] do_syscall_64+0x1d5/0x640 [ 1577.010048] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1577.066488] block nbd2: Device being setup by another task [ 1577.069940] RIP: 0033:0x45c829 [ 1577.069946] RSP: 002b:00007f0c68825c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1577.069958] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1577.069964] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1577.069970] RBP: 000000000078bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 1577.069976] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1577.069982] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c688266d4 [ 1577.134138] block nbd4: Device being setup by another task [ 1577.164069] print_req_error: 730 callbacks suppressed [ 1577.164076] print_req_error: I/O error, dev nbd4, sector 0 [ 1577.174976] buffer_io_error: 730 callbacks suppressed [ 1577.174982] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1577.192361] print_req_error: I/O error, dev nbd4, sector 2 [ 1577.198023] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1577.206248] print_req_error: I/O error, dev nbd4, sector 4 [ 1577.212191] Buffer I/O error on dev nbd4, logical block 2, async page read [ 1577.219360] print_req_error: I/O error, dev nbd4, sector 6 [ 1577.225192] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1577.232994] print_req_error: I/O error, dev nbd4, sector 0 [ 1577.238640] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1577.245888] print_req_error: I/O error, dev nbd4, sector 2 [ 1577.251631] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1577.258707] print_req_error: I/O error, dev nbd4, sector 4 [ 1577.264413] Buffer I/O error on dev nbd4, logical block 2, async page read [ 1577.271519] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1577.278705] print_req_error: I/O error, dev nbd4, sector 0 [ 1577.284471] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1577.291937] print_req_error: I/O error, dev nbd4, sector 2 [ 1577.297629] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1577.305175] print_req_error: I/O error, dev nbd4, sector 4 11:01:43 executing program 3 (fault-call:12 fault-nth:36): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:43 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x1, 0x0, 0x3, 0x0, 0x101, 0x80000001}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x20008980) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:43 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x2, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = semget$private(0x0, 0x207, 0x0) semctl$SETALL(r1, 0x0, 0x11, 0x0) semop(r1, &(0x7f0000000040)=[{0x0, 0x8, 0x1800}, {0x1, 0x1f, 0x1000}, {0x3, 0xa9}, {0x4, 0x8, 0x800}, {0x0, 0x9, 0x800}, {0x0, 0x7ff, 0x1000}], 0x6) 11:01:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x29, 0x4, 0x8000e0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_SOCK(r4, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r6 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r6, 0xc0045002, &(0x7f0000000080)) r7 = dup(r6) write$FUSE_NOTIFY_INVAL_ENTRY(r7, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000040)={r7, 0x28}, 0x10) close(r0) 11:01:43 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r1, 0x10e, 0x8, &(0x7f0000000000)=0xa482, 0x4) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) dup(r3) sendfile(r3, r2, 0x0, 0x1c01) r4 = openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r4, &(0x7f0000000200)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000240)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r4, &(0x7f0000000100)={0x3, 0x40, 0xfa00, {{}, {0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc]}}, r5}}, 0x48) write$RDMA_USER_CM_CMD_JOIN_MCAST(r2, &(0x7f00000000c0)={0x16, 0x98, 0xfa00, {&(0x7f0000000040), 0x2, r5, 0x30, 0x0, @in6={0xa, 0x4e23, 0x40, @mcast2, 0x7}}}, 0xa0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)) r6 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r7, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:43 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) futex(&(0x7f0000000040)=0x1, 0x4, 0x0, &(0x7f00000000c0)={0x0, 0x989680}, &(0x7f0000000100), 0x0) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$TUNGETIFF(r2, 0x800454d2, &(0x7f0000000000)) 11:01:43 executing program 2: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000080)) r1 = dup(r0) write$FUSE_NOTIFY_INVAL_ENTRY(r1, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) write$P9_RSYMLINK(r1, &(0x7f00000000c0)={0x14, 0x11, 0x1, {0x0, 0x2, 0x4}}, 0x14) openat(r1, &(0x7f0000000100)='./file0\x00', 0x18b002, 0x80) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) getsockopt$inet_sctp_SCTP_MAX_BURST(r4, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, &(0x7f0000000040)=0x8) [ 1577.524245] block nbd1: Device being setup by another task [ 1577.553837] block nbd4: Device being setup by another task 11:01:43 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000040)={0x0, 0x4, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797", 0x3436324d}) [ 1577.572221] block nbd4: Device being setup by another task [ 1577.592643] block nbd4: Device being setup by another task [ 1577.605016] block nbd1: Device being setup by another task [ 1577.614663] block nbd4: Device being setup by another task [ 1577.637578] block nbd2: Device being setup by another task [ 1577.732974] FAULT_INJECTION: forcing a failure. [ 1577.732974] name failslab, interval 1, probability 0, space 0, times 0 [ 1577.744289] CPU: 0 PID: 20219 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1577.752189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1577.761550] Call Trace: [ 1577.764166] dump_stack+0x13e/0x194 [ 1577.767817] should_fail.cold+0x10a/0x14b [ 1577.771980] should_failslab+0xd6/0x130 [ 1577.775990] kmem_cache_alloc+0x2b5/0x770 [ 1577.780147] ? retire_userns_sysctls+0x80/0x80 [ 1577.784742] copy_pid_ns+0x1b2/0xa70 [ 1577.788466] ? copy_ipcs+0x2c4/0x3e0 [ 1577.792192] create_new_namespaces+0x25f/0x730 [ 1577.796829] copy_namespaces+0x27b/0x310 [ 1577.800907] copy_process.part.0+0x2603/0x6a50 [ 1577.805509] ? get_pid_task+0xb8/0x130 [ 1577.809414] ? save_trace+0x290/0x290 [ 1577.813226] ? __lock_is_held+0xad/0x140 [ 1577.817302] ? __cleanup_sighand+0x40/0x40 [ 1577.821544] ? lock_downgrade+0x6e0/0x6e0 [ 1577.825712] _do_fork+0x180/0xc80 [ 1577.829185] ? fork_idle+0x270/0x270 [ 1577.832902] ? fput+0xb/0x140 [ 1577.836017] ? SyS_write+0x14d/0x210 [ 1577.839733] ? SyS_read+0x210/0x210 [ 1577.843364] ? SyS_clock_settime+0x1a0/0x1a0 [ 1577.847786] ? do_syscall_64+0x4c/0x640 [ 1577.851782] ? sys_vfork+0x20/0x20 [ 1577.855354] do_syscall_64+0x1d5/0x640 [ 1577.859259] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1577.864456] RIP: 0033:0x45c829 [ 1577.867646] RSP: 002b:00007f0c687c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1577.875373] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1577.882646] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1577.889924] RBP: 000000000078c0e0 R08: ffffffffffffffff R09: 0000000000000000 [ 1577.897202] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1577.904587] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687c36d4 [ 1577.942601] block nbd2: Device being setup by another task 11:01:43 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) ioctl$TIOCSBRK(r1, 0x5427) 11:01:44 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x0, 0x400) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000001c0)='fd\x00') recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x102, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r4, 0x407, 0x0) write(r4, &(0x7f0000000180), 0x0) vmsplice(r3, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r2, 0x0, 0x24004010) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x800, 0x0, 0x0, 0x5, 0x0, 0x6}, r0, 0x20000000000000, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000180)='./file0\x00', 0x36) syz_open_dev$vivid(&(0x7f0000000100)='/dev/video#\x00', 0x2, 0x2) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r5, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:44 executing program 0: openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) dup(r1) sendfile(r1, r0, 0x0, 0x1c01) r2 = openat$cgroup_ro(r0, &(0x7f00000000c0)='cgroup.events\x00', 0x0, 0x0) ioctl$VIDIOC_ENUM_FMT(r2, 0xc0405602, &(0x7f0000000100)={0x0, 0x5, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r3 = socket$bt_rfcomm(0x1f, 0x1, 0x3) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) fcntl$dupfd(r3, 0x0, r5) r6 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r6, 0xc0045002, &(0x7f0000000080)) r7 = dup(r6) write$FUSE_NOTIFY_INVAL_ENTRY(r7, &(0x7f0000000480)=ANY=[@ANYBLOB="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"], 0x12) ioctl$UI_GET_VERSION(r7, 0x8004552d, &(0x7f0000000040)) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x1c01) ioctl$GIO_CMAP(0xffffffffffffffff, 0x4b70, &(0x7f0000000140)) 11:01:44 executing program 3 (fault-call:12 fault-nth:37): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) [ 1578.326190] block nbd0: Device being setup by another task [ 1578.361617] block nbd0: Device being setup by another task 11:01:44 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x438) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x437) r6 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SIZE(r6, 0xab02, 0x8000005) 11:01:44 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = socket$inet(0x2, 0x4000000805, 0x0) r5 = socket$inet_sctp(0x2, 0x1, 0x84) r6 = dup3(r4, r5, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r5, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r6, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r5, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$EBT_SO_GET_INIT_ENTRIES(r3, 0x0, 0x83, &(0x7f0000000100)={'nat\x00', 0x0, 0x3, 0xd2, [], 0x2, &(0x7f00000000c0)=[{}, {}], &(0x7f0000000280)=""/210}, &(0x7f00000001c0)=0x78) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r6, 0x84, 0x6c, &(0x7f000059aff8)={r7}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000040)=@sack_info={r7, 0x20, 0x1}, &(0x7f0000000080)=0xc) r8 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r8, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1578.501522] FAULT_INJECTION: forcing a failure. [ 1578.501522] name failslab, interval 1, probability 0, space 0, times 0 [ 1578.512917] CPU: 0 PID: 20244 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1578.517833] block nbd2: Device being setup by another task [ 1578.520808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1578.520814] Call Trace: [ 1578.520837] dump_stack+0x13e/0x194 [ 1578.520856] should_fail.cold+0x10a/0x14b [ 1578.520873] should_failslab+0xd6/0x130 [ 1578.520885] kmem_cache_alloc_trace+0x2db/0x7b0 [ 1578.520895] ? kmem_cache_alloc+0x604/0x770 [ 1578.520911] copy_pid_ns+0x1f8/0xa70 [ 1578.520922] ? copy_ipcs+0x2c4/0x3e0 [ 1578.520937] create_new_namespaces+0x25f/0x730 [ 1578.520954] copy_namespaces+0x27b/0x310 [ 1578.546677] block nbd2: Device being setup by another task [ 1578.550276] copy_process.part.0+0x2603/0x6a50 [ 1578.550295] ? get_pid_task+0xb8/0x130 [ 1578.550306] ? save_trace+0x290/0x290 [ 1578.550315] ? __lock_is_held+0xad/0x140 [ 1578.550333] ? __cleanup_sighand+0x40/0x40 [ 1578.550343] ? lock_downgrade+0x6e0/0x6e0 [ 1578.550358] _do_fork+0x180/0xc80 [ 1578.550372] ? fork_idle+0x270/0x270 [ 1578.550383] ? fput+0xb/0x140 [ 1578.550392] ? SyS_write+0x14d/0x210 [ 1578.550401] ? SyS_read+0x210/0x210 [ 1578.550416] ? SyS_clock_settime+0x1a0/0x1a0 [ 1578.627955] ? do_syscall_64+0x4c/0x640 [ 1578.631925] ? sys_vfork+0x20/0x20 [ 1578.635470] do_syscall_64+0x1d5/0x640 [ 1578.639357] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1578.644970] RIP: 0033:0x45c829 [ 1578.648157] RSP: 002b:00007f0c68825c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1578.655884] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1578.663174] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1578.670435] RBP: 000000000078bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 1578.677700] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1578.684967] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c688266d4 11:01:44 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x38, 0x2, 0x1000002f, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(r2, 0x0, 0x80000, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r4, 0x407, 0x0) write(r4, &(0x7f0000000340), 0x41395527) vmsplice(r3, &(0x7f0000000000)=[{&(0x7f0000000340)="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"/343, 0x157}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x3, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x21, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x19641, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x2000000000, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x228681, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r5, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1578.709228] block nbd2: Device being setup by another task [ 1578.741948] block nbd2: Device being setup by another task 11:01:44 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x9) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:44 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ubi_ctrl\x00', 0x282402, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$tipc2(0x0) sendmsg$TIPC_NL_LINK_SET(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000004c0)=ANY=[@ANYBLOB="14000000fd5a7340a200d4f81ca6d83f60c4191b880882ca1018bdfb4f68b42167b303f8dee84522be9d551e23f182dafd903639f67ce1e056d296eefc0b8c86", @ANYRES16=r3, @ANYBLOB="019888520000e200e400000000740000e9"], 0x14}}, 0x0) sendmsg$TIPC_NL_SOCK_GET(0xffffffffffffffff, &(0x7f0000000700)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)=ANY=[@ANYBLOB="791f1019", @ANYRES16=r3, @ANYBLOB="00012bbd7000fedbdf25060000003400068008000100000000000400020008000100d90000000400020008000100ff7f00000400020004000200080001001e0d6575"], 0x48}, 0x1, 0x0, 0x0, 0x4000000}, 0x20008055) sendmsg$TIPC_NL_UDP_GET_REMOTEIP(r1, &(0x7f00000003c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000380)={&(0x7f0000000100)={0x260, r3, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@TIPC_NLA_PUBL={0x34, 0x3, 0x0, 0x1, [@TIPC_NLA_PUBL_UPPER={0x8, 0x3, 0x7}, @TIPC_NLA_PUBL_UPPER={0x8, 0x3, 0xfff}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x7f5}, @TIPC_NLA_PUBL_TYPE={0x8, 0x1, 0x6}, @TIPC_NLA_PUBL_TYPE={0x8, 0x1, 0x7}, @TIPC_NLA_PUBL_UPPER={0x8, 0x3, 0x80}]}, @TIPC_NLA_SOCK={0x7c, 0x2, 0x0, 0x1, [@TIPC_NLA_SOCK_REF={0x8, 0x2, 0x7}, @TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0x1}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0x10000}, @TIPC_NLA_SOCK_CON={0x14, 0x3, 0x0, 0x1, [@TIPC_NLA_CON_FLAG={0x8, 0x1, 0x48000000}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x8000}]}, @TIPC_NLA_SOCK_CON={0x44, 0x3, 0x0, 0x1, [@TIPC_NLA_CON_NODE={0x8, 0x2, 0x6}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x8}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x2}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0xfffffff7}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x3ff}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x3f}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0xd4}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x3}]}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0x232}]}, @TIPC_NLA_SOCK={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0x7f0}]}, @TIPC_NLA_NET={0x10, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x1}]}, @TIPC_NLA_BEARER={0x14, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_DOMAIN={0x8, 0x3, 0x2}, @TIPC_NLA_BEARER_DOMAIN={0x8, 0x3, 0x74e}]}, @TIPC_NLA_BEARER={0xfc, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_PROP={0x2c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0x7}, @TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x7a4}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x17}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x2}]}, @TIPC_NLA_BEARER_UDP_OPTS={0x38, 0x4, {{0x14, 0x1, @in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x2b}}}, {0x20, 0x2, @in6={0xa, 0x4e23, 0x101, @ipv4={[], [], @broadcast}, 0x6}}}}, @TIPC_NLA_BEARER_DOMAIN={0x8, 0x3, 0x3}, @TIPC_NLA_BEARER_PROP={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0x4}]}, @TIPC_NLA_BEARER_DOMAIN={0x8}, @TIPC_NLA_BEARER_PROP={0x1c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_TOL={0x8, 0x2, 0x800}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0xffffc29e}, @TIPC_NLA_PROP_TOL={0x8}]}, @TIPC_NLA_BEARER_PROP={0x3c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0x8000}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x5fa}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x400}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x3}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x12}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x6}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x11}]}, @TIPC_NLA_BEARER_NAME={0xd, 0x1, @udp='udp:syz1\x00'}, @TIPC_NLA_BEARER_NAME={0xd, 0x1, @udp='udp:syz2\x00'}]}, @TIPC_NLA_NODE={0x24, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x8001}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0xc20b}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x401}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x6}]}, @TIPC_NLA_NET={0x4c, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_NODEID={0xc, 0x3, 0x3}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0xf810}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x8001}, @TIPC_NLA_NET_ID={0x8, 0x1, 0xff}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x5}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x2}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0xfffffffffffffe01}]}]}, 0x260}, 0x1, 0x0, 0x0, 0x40040}, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000400)='/dev/input/mice\x00', 0xc0) ioctl$DRM_IOCTL_MODE_LIST_LESSEES(r4, 0xc01064c7, &(0x7f00000005c0)={0x2, 0x0, &(0x7f0000000540)=[0x0, 0x0]}) 11:01:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) sendmmsg(r1, &(0x7f0000004840)=[{{0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000000c0)="0ef3fe373ce15e791f358658b5475649f1ee65cba3894cf37cd84bce59a6c2e55d979afe24c6edeb4810d3d2fc260aee076617c03b8be7107881ae6f763e31fe7a1aec4826c13fb718113210391e3dd4407fe39a9e4be1250ec44da1a1e069db04af7befc6ec5f1248299dd7148fee7ba04a5fae5605fa8ffe4eb1128883c9305650f92cd4120fde49a48d92a0f8cefc153bd0b671d102ec0720a273cddf2df2b47bc0f65b1253ad3acb9220495932779eb1", 0xb2}, {&(0x7f0000000180)="29e84412696c7db6e6fc4a1928ed78216cdf7b014f1893b10c6f916c49b6312229ae78087b8fc35897c5687ef20ea38ca5d720250b6c42c96fcd6fa3c0042e5db4c254ca014dadae3bde6e7ed56456826eae8ea11611e3ef547910934e497f2017a071948e8eb05dc556a760a6644889987d9aedb9f606732c9964ccf25e1343fc302597ee3b47858ef9510408281e629a954a14b2f2481e3b2ad5414584270e5c28b6fe7b90c96bc24c440ac1b6dbbea4703cbee4f6429defcfacd86a81cae42a0aa4962637b3c321378551ebbd10ce8d3f2c3124515e62ab452f5bac571d1ab80dafe83eb1326392c2d7f37c96a940ea2da24f14dd5bd66e109ee9aaebd203d231b41d27d1415d29d583d387fb5f91e02c8c5f2f198b840c4a63e389e5c8430f907a2e62712dbb45955fdcd147340cdd4010540d7063936667806ce31428ae79c683f93ccd6fa0f7414ccc0d8d064e64386844baf09eec7c11fc8f0a626bde9cd3c9e5c32bf0aa46191221390f33e41fba3de8954d9c55f6165c396cca52591bfc0499dd4add416c902fea89c08ce77f369993edd91eb7acff39f739ce3559424b3aba2ed4b9615aed39c8407cc0086cd648ec84d44610c10b3d336f8c59640a98ec150ab350e95fd42d437369a591d11652b569f933dacd103feb68abf99cb59eb7ade093c89c93a9c04a48f57dde597025c01a4fea51a0660356d61634f5220f3b669cb67e3c3f4a144d649ab2bf63e479debaffe5d04ca476cd323652658b6f2bda1141a10f4d3da0b4dcb6bada53edd91fbbf512268a42ab9aac88b9060ec94830f6803e42c0581bfc2cd9703a0127004e8b5d16c9d36ee0fe6a471f2f37a84ad2b138a784e9c62b257d8284d8be17d518fe56dcfd19d8865cd76a325c9397c3b87859a6341a5e944e480f56f8303b22100520134d0fdc34f0efb81e41aad4009be19a8759961a7d0f5b9050a307d1ec50cb11c40ddb6b808711bf9dd7a9dd6ad77b34320c67696ce397b715f2e1a585a60c10277c82c4a11fa287aca2c1f7ae41f0b07ec1d31f144813870d9331ffb36aa028b203c768eb05ce6f03da07106ea151e4baad9de470c50db2d4d9655fce205ddf546d0beb237ece2f7eddc9077aa0156ec20608d1f6618b4204e0a4b7a1502c6fa44c547d994d0bf9d172e702d518d1ee58a5e96136273155c8a333b0185d0d5256ad535e41c6e7ffdc426cb644281fcdbb409f564267facad8ff5cc3087aec3dbcb3cf4da9b50a45c693683945388a2c12219279b458a30c770f9da3ebd029dbec0c9c9bca776270bdd0bfb4355ede74c00a8e5ca8417df50782791218bb8c8087046b92aa8771c76eed77d0b7b07bbcbb0a27ee8cb99745a3bc92e6c6002418892822c3a3d9aeea1131efe63e63f0e952940cb2af2be02e6e2cd85b8b9b1a0f682ac00c174e1648e050de6bbae13f598a0df100312b828f786fb04ffdf27698f57cb9db18e0516716df725174d8d4adc8b342382f96e874c050f31cbce39949488f1748bd5e0c84deba7e5b6581e4f50c37f615c7e14289d82ae20dc3f067bc3ff90becb80d3d664aebb36f17b5138c8e95f867aba6609abe3f26e695fe27059e07e41524749e4c2f646f889e1abc8d4c0af17002856bc51f1a804158012d9c529c643d1461e05d1285d9e6d4e251681eac65b897f750d2abbff7bf03c1bcf53e94796f5a13889d253f2bc4e4caf3330471ca96b7270af59f2d044ce9b50757bad5e2ad4a6324c9a23753559f3e59cb4da486b711ebe804e2426d11f643830337617140a29ee4ff6f1800d8f76c36a169fe453d1b73de67ece821cbbb85f303666678718842ea1f66224c1b277827a8a45ce626bfaf976759f784f8f880e9fc2a4b78e458d11d94168147a15dad94170a1caf2c91d0e61a1810b932c605aa96f8d3a0e11b96514663df3b51af14d52269dcde7cb1c5bf1240b04a8290759567fa9a811be57ad5de778847a186ab6ce90ca7d9db77afb7a22cd31c10d8cb8a60daa1878abd0e7f3c37071d565929ef86413bfe9a6545b7a9014536f143e234a815710aa77e7ff72d1417763be8238e7735ddeabbd655dd609d8102333ed007b0e7d4bf744bc26cd18807664a8473e219794c4e9706ed6f9bd940da3f26c81a45d7e93f512e735ca6d5a1f6a270d4b8440ec5bd1a812094ec81e92b199483edbea5d491efc58d3a4d5463b8d87c3742af0d8d54042a1f878edcf808131b4c90b1d1c71f89ff6d9aa99948dec25be8693b9036fd271038008cc0efddd23d78bcfd42cb28c67aa719c76af77b7313055e34a3e9d4d10c9d25cab5132f384326acca9f22b8f65d032cd5f2b202be5a65235d1b3cd3b1b1ceef952f6aa5048520f4b47923ef96398334955cab2f8191bcc09698d0b64f6c009758671a15e047c1e62f7f4d28b6a8a3ac0294b4b54da7576ec33d0ed8b64dde19b56c3bfe0c390f282c7e1af30e2f75a10cc50c09a14efa5e53bad844c1fab7878ceb0948bf4bb21034b6dd8a62f8e74b8120b226af21773038f23ca1d7497f460766cc61fa642ccaf6d88735182d0abdb92badad10e387b6f22f706b4816cf82da7b58b0a28e838efc84f03b9e674fe92ac5304ea8517417dd55577e3074e8727deb075ad406dfeca19c0177a0c5f53770a5c1c7d53f741a25fb87094439590f05af8bc237f90608c59a1b5b5c14f6bd8cec022e56b06bce5126854977a6f46b86cd76aafa3e44614da893212b83cf620617760c03b11a38ffd1284f8167209e4da516ddf6873b52b96a39b2d1e5bd47fb37a26bc5f41ce34f0c5ecada7c67b6ecb2de3645c23cbf685dbf29be3122bd903db3dc84b7a6f834d358f56abee617cee0e11ce16cd85b39f4426202cf79f4bf940860a2e93b395270b478efa8af914cc756a46992561f46aafde4205640ac5b1fdd084a1df2a3ffd4c3420b6d0a6a5b3a2ee1ece1eb379dc6eee4b70b83a10ae1e1a23516709d0849d287418cd7eac26aa06f74706bbaeec795a9ada4d18f471fe2aacaa9be24fa665a1bf9c05ae1b95ad0da5b582c32c0fa8c76ced174a7636968643f6e3cb51653ee20867c9c849a85f5164aa3411c9f18460f48e5409d04ceab3906e3a87ff183a6ba3264845c23f5f5494a7b6e177acaf9eeca2980e70844218af0fbe670f6a23e0bbe6f0a88fd0f67dbafeba1e78272c45427dda93da89eb49d91abe59adaa53171da8c20b8edfbe3b761a5ac5b7158c3ee2feef37c74791062ae9d2c6ef30aab91cf0367d15bdaa9e8a763cf6ab9a0996b209354b125017da44cc1001a5d5482b431ff70f619961dea4259451f221ac7d172810f17306744cf2fe6403ef2760bb0df6e930f8c142aa1eee826a553e5d4357f29d7590b74904f91eca1a4ad2b696df32dead8f51481dc0ef673b5fd819c7249037e130d6607e1bee30f1e613065d58d9e534e22bc190af3c2fd383a068e8d87d565c649cad39d67bfba1e71f79676843057bd890b29803fe6cf491cf3fb4780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&(0x7f00000044c0)=[{&(0x7f00000040c0)="7ddf78229882b404418f67ee5eaf4e2bbbd4fd271fbf1e5697e9b694c3aa55678591b0ea578ffebe5a449fee18ee7dd3ad323470a98a24af7aaa864b94dd3a737db767706017fab45d7d07c3024eadd7050e1ec4d96e51f47dd9f63c6f1db8895290d07c0b3d2dfe97449dd2f53630c54b97eb5bf4fee965e97c29fe44f8f6b37aae386c72130e5c69cf0b0d950409c75a468f822183bb262366", 0x9a}, {&(0x7f0000004180)="6d629919d620c90273c94379c0405754f1a496f439545239673e18d1b7edf7cecae0baaa2abb", 0x26}, {&(0x7f00000041c0)="7583e8f6da56c5efc11c7f05d324004854eaf95ab0b1e533bbf0751529296735941af7fd5c4790a646a9745205d3a3aa359b447784c12ad6f0e6a0d63eed6a2d7b1aae7f0f681f362cab146f4b4ee1921aca650084b72eff6b1bd7ed19935245dab6ebc0ab416f35c00025c7ddac25323ceb4cfc46604f42d87e993d1fb3f67373fc58fd6d5e9e922828c8a4f008dc935328f51efe958f452b", 0x99}, {&(0x7f0000004280)="c17a1a5ac137dabdfa439859ff7485cf614f39ea37bb8c584935a74becd2cd2afd9a22ac4d07ee200902c4a40fc2e20810aa17de9a831c1b7d44b52dade69b3bbfe8ad4c385584ef373c83592e13fbc25f26b507a4d05999d157990b5b68c5373954fef43e9190b3c47e08fc736180a81ecb697f419e672b2653dd319d231b868e63558ff38df69124744c2a4a582cd05de1738c7a8b3578e515c8561c43ccfd68b1d2bab17dd96e42cb4544916776dea98124eea8a61473728acb93287fedcbd56418351a05d242b817141c308caf5f0a30acf57a", 0xd5}, {&(0x7f0000004380)="8f1762784f15005079034ec474553d49eceaba8c54c5f485949500b13e57b5fcdb5202aa2ca60841c7898b909894b85c0d5c44de71e7b0dbfde03a38b059219052bdededc1840636b9", 0x49}, {&(0x7f0000004400)="a891002c476124251f9905029ba624465bc8b1746c9ddfff178c794a7871c21292f80024df7f936205b3f5b9009857ff41b62f7b2ca659", 0x37}, {&(0x7f0000004440)="a3cc3e6b63e3063c14f66cc68dc9d1a700b1932e53e759280db9b10976ffafed10b91491df77dcaa6d7338bc57e6f9f869ab09b0e711b616f47db64be2aec4632e4d995f543dcff34c76cf39076dec117c2050a11910d38235c765119625ff3b913238d01b9971909deeca37798db0a784c0efd5ac6d20135f82f39e4bd00da5", 0x80}], 0x7, &(0x7f0000004540)=[{0xd0, 0x114, 0x1, "a821c36805241cad835fb9cdc10a17c0ab72f59b3372ffc27bcbedd7c464fa882e5541155390a91ca55afd953c133b5baffa49d4c96f502515ef9c1acdd2c1f2adede64ce3e3dfeb1b23f48e468c96a4fca4b8d724b6921a9742b4c51fd30b300827e0316a525404163a8717feb96ec5bf3fe389b6341af219361b7329bec4ff59b06850051b77559a9e93955d2c1312799b9fd1fe4bb5dba0ef474916bb76ad86c192f620632c6f7afbf9c6ebb8eee905cd95342893b6fd1f663a062bb9"}, {0x68, 0x10a, 0x4, "f90d288d1dcd684563d6b248b6754e9658a26335fa456e0d098780e4b0fda15040a7d9bcc341a76917b0c82e13244465a0fb46e94d6b5977daebedc1f1b6f6d75f0139270f8d4f5c5112e8d345b597ee6a22df61494e30"}, {0x48, 0x101, 0x6, "ab2c3f4e5427588b3caaa8dffa1b46a080e9e5a9e4343941c3ed37c5e731a35f70603e7b304723f8c2993d6cbab64358eff8b0a071d5"}, {0xb0, 0x115, 0x6, "aaf3e3245bfd4d36a6f0bf86966e53a37257acc6e7abb1c1ddb69e09bef9affe2c9fbfdcbf50393113a0a16da46ffc3768a0bcb6b49b75c5123adc6e91263e0172fc1da56a4b51eeb8c34e35c1eab63ed596b532d213768690668c63fad7326d36211ff9e45a32160ad663dce5c836ef80af1de703bc6dbcf79739f942dd192d07a54df57f998e630f1a7737c40b551bb6f0945bcfd9ef8ef857870f"}, {0x88, 0x119, 0x3, "c763eb680e1272d007aae236008d2023755b8da41a0b16d13060fbbfce2b81c7be3e583204fcc16416ff490aaf33ed9ff76531de833151605b5612e83e76caa2dc5b052bf35ce194b503193d214992f1f295ed5dccb06b7c310f46c6bc159afa040c9ec482b3a10f843f9a402ff760b7ad487f"}], 0x2b8}}], 0x5, 0x40cc040) ioctl$VIDIOC_G_SELECTION(0xffffffffffffffff, 0xc040565e, &(0x7f0000002880)={0x6, 0x102, 0x0, {0x80000, 0x8001, 0x9, 0x8}}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x0) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f00000028c0)=0x5) r4 = dup(r3) write$FUSE_NOTIFY_INVAL_ENTRY(r4, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$SOUND_PCM_READ_CHANNELS(r4, 0x80045006, &(0x7f00000026c0)) 11:01:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000040)) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) setsockopt$ax25_int(r3, 0x101, 0x5, &(0x7f0000000000)=0x3, 0x4) sendto$inet(0xffffffffffffffff, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x6c, &(0x7f000059aff8)={r4}, &(0x7f000034f000)=0x2059b000) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r3, 0x84, 0x72, &(0x7f00000000c0)={r4, 0x100, 0x30}, 0xc) r5 = socket(0x6, 0x5, 0x803) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1578.933937] block nbd2: Device being setup by another task [ 1578.939304] block nbd4: Device being setup by another task [ 1578.973562] block nbd2: Device being setup by another task 11:01:44 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) socket$isdn_base(0x22, 0x3, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1578.995783] block nbd4: Device being setup by another task 11:01:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x2a001) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x29, 0x4, 0x6) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$sock_inet_udp_SIOCINQ(r2, 0x541b, &(0x7f0000000000)) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 11:01:45 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0xfe, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x40000000, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x3, 0x0, 0x0, 0x8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0/file0\x00', 0x10) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:45 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) pipe2(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32, @ANYRES32=r2], 0x38}}, 0x4000000) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) sendmmsg$sock(r5, &(0x7f0000001fc0)=[{{&(0x7f0000000340)=@in={0x2, 0x4e22, @local}, 0x80, &(0x7f00000005c0)=[{&(0x7f0000000400)="4922a5c08c05733c2133ab62f91187b59761e75c7d7b8e8afcf02c22ea7d47b57c6e4b87f3e3b58af5b17609ab42aedffe839f37c293d7a7ced1b4a7d48c7bb783fadf5a5a729227018c45d40e77a546a2c685653b4ccd57f8e17f076069953dddc18e7ff987d4b3", 0x68}, {&(0x7f0000000480)="9e2bf598275b129b64af3fe7408f4c60de97fa65b47417983409641fb33323c12fc8e47dd35601f7e12fdd04009d7fcf94bf2bc59ab1865e29459e022739316ed73d34f6c1cc62ac40247574ecd1f8e296935518578bc7169cc0f28971b54e08325bf210302c51d045dc1c4d572b6933242021889dae72ca26f8df47fd60f8e2de336aa8099d8189fd223a3a1e1453fcadc40be61f551d1cb279ac680588b09a4991c339bdc4adab2079fe62802996a758a6cc2d56e2b2f753296cede43579003da699b1ab31093e15bf751dcd347502480cbc0cc1823829cd5451ccaf0c", 0xde}], 0x2, &(0x7f0000000600)=[@timestamping={{0x14, 0x1, 0x25, 0x10000}}, @txtime={{0x18, 0x1, 0x3d, 0x7fffffff}}, @mark={{0x14, 0x1, 0x24, 0x1}}, @mark={{0x14}}, @mark={{0x14, 0x1, 0x24, 0x7}}, @timestamping={{0x14, 0x1, 0x25, 0x2}}, @timestamping={{0x14, 0x1, 0x25, 0x1}}], 0xa8}}, {{&(0x7f00000006c0)=@isdn={0x22, 0x5, 0x4, 0x4, 0x8b}, 0x80, &(0x7f00000019c0)=[{&(0x7f0000000740)="191ec664337dc86eb00915a0a2222c8d7596d6ca1679aba962677236d1a0bdd6392de8d877723e633dd92f27d862406497a952d1f3d298e325ecd487bbdf21189a9ec47d07d0e1966c23055671671bc5a6ebb909a500e9bc61579755936984013fb60e62d3816fe355acde539a4ca7f4c6ec6a58bcdba7172a679d950837e5729490cff5972485b72dd2f975a939db5a04bc06b4eeb99ab4dd0253946685685ddcec61495bc1a7899b2ad920ff1ce8357a6aec80d4d533d1", 0xb8}, {&(0x7f0000000800)="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0x1000}, {&(0x7f0000001800)="0cc1248e769db70ca8d718e416a71408e7b70d1f7373a6e3ebcbb7210fcd9fc71b7befb12221629e8cb806f4bfb4e2d4618e54017d37711050312711a182e3932db80577093fc32ada341fdf99343a0703071399d23a1fe35ea2da57c5a5afc3fa51874aa083aad53de9493fd39bd89d51e785e4a2bccd0911b2bacc0ad1bbb8082c269d7efbbada99059c86d4770f60723e1926b0bb3b513662456d0ecbe98877aad552333a2e8bbd947d940c07204bdeca6a453f9e", 0xb6}, {&(0x7f00000018c0)="5e41cd72ae887db6e233663f43393a7575374944af1d2d21384a2c02f860dbc34b317c73bbf7bc89f39e9f87641187ef2be6705734b1b639bd2607218c5684c38c5d10f4f66dc528b32c47d7a6ae22d50b6dd71d730128", 0x57}, {&(0x7f0000001940)="d1264604ee384da061de463724fd193eb21c3bba4fc2cbb28a2bf8806d2eb527cb7e8bd01f026610749192753832692860f981928c99086b7662", 0x3a}, {&(0x7f0000001980)="ee13cdbd8e77946979", 0x9}], 0x6, &(0x7f0000001a40)=[@mark={{0x14, 0x1, 0x24, 0x200}}, @timestamping={{0x14, 0x1, 0x25, 0xfff}}], 0x30}}, {{&(0x7f0000001a80)=@phonet={0x23, 0xf9, 0x5, 0x66}, 0x80, &(0x7f0000001c40)=[{&(0x7f0000001b00)="06f3466b26b77123c8", 0x9}, {&(0x7f0000001b40)="80261999033981cdc1140aecdfbd769c1e1b87c0185a03f771224d7864ac5ebd27f805e3543922c23a34810db852c40ead702ca9", 0x34}, {&(0x7f0000001b80)="75f6cd74260c378c91c2fce839301a71978685cfc7b793979a145ae6e8d25eec601434898f11891d42d4553f4c6f1a507800e90614032d83b3afd19b5eb00cdc62f33c33cbc87e11a1267e6ace954763c4162670e7646f96930fdb27c3bba3c5af9a13cf91739275f36a9c628faa71bc4c0852a12e0e1346317533c4b2fb47dc776a25898e97cf457642fc4ef451244a6b8c88278860744f427deacb13", 0x9d}], 0x3}}, {{&(0x7f0000001c80)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x4, 0x2, 0x4, 0x4, {0xa, 0x8001, 0x200, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x4}}}, 0x80, &(0x7f0000001d80)=[{&(0x7f0000001d00)="733086231f519fb1d78773a36a00cdb21f11ccfa70ff932412f5f339e1871efce3d95ef2abc5743ec66224918ed0f8626d53421b75dd98bac2041bcca54824f23c95430e1d7b701eb235ca0c3a66ca45d8643e1a4be706285ebb146a59e5e2f4ba5a3309b4dd5f41c3adfb455675b5448d5d2d", 0x73}], 0x1, &(0x7f0000001dc0)=[@mark={{0x14, 0x1, 0x24, 0x9}}, @timestamping={{0x14, 0x1, 0x25, 0x6}}, @mark={{0x14, 0x1, 0x24, 0x9}}, @txtime={{0x18, 0x1, 0x3d, 0x1}}, @txtime={{0x18}}], 0x78}}, {{&(0x7f0000001e40)=@ll={0x11, 0x16, 0x0, 0x1, 0x5, 0x6, @local}, 0x80, &(0x7f0000001f80)=[{&(0x7f0000001ec0)="d25f0636547273952a78aab666676c22a0c757aa4d9c791406312b3108c37de88eb9ef3f5ca305462b294fc205c181f6fd27314c2063a8c9b1355771745e558fa394a4112edd1d0e77a1515fa2f6b820e8c2207cc4c545a23e00a4d2ba15b8257899554fa46ef6392a9c4c648820e22d8c68c454780dea479335fbfefc08829914271bea76e46812", 0x88}], 0x1}}], 0x5, 0x40000) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="00000000000000002800120009000149c8a61b68"], 0x48}}, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES16=r1, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r6, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r7 = open(&(0x7f0000000040)='./file0\x00', 0x84000, 0xc4) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r7, 0x894b, &(0x7f00000001c0)) ioctl$VIDIOC_QUERY_EXT_CTRL(r7, 0xc0e85667, &(0x7f00000000c0)={0x40000000, 0x1, "3de7a86ad209dac264c4439354be93064d0cf91cbf917b7b9026a5f86d33de17", 0x401, 0xae0, 0x5, 0xc, 0x80, 0x8, 0x55, 0xfffff2aa, [0x0, 0x7fffffff, 0x1f, 0x2]}) 11:01:45 executing program 3 (fault-call:12 fault-nth:38): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:45 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r1, 0xc08c5332, &(0x7f00000003c0)={0x6, 0x9, 0x1, 'queue1\x00', 0xe43}) r4 = dup(r3) write$FUSE_NOTIFY_INVAL_ENTRY(r4, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) ioctl$VIDIOC_QUERYBUF(r4, 0xc0585609, &(0x7f00000001c0)={0x2, 0xa, 0x4, 0x4, 0xce, {r5, r6/1000+60000}, {0x5, 0xc, 0xff, 0x5, 0x9, 0x7f, "fce167a3"}, 0x3, 0x3, @offset=0x8, 0x1, 0x0, r2}) ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r7, 0xc1205531, &(0x7f0000000280)={0xbcf, 0x1f, 0x0, 0x0, [], [], [], 0x2, 0x80, 0x80, 0x3f, "6136a036502bdbff181b4b8f6c56e857"}) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) sendto$unix(r0, &(0x7f0000000000)="56244f34d8e5a8f53215c63964098377ec095238ffc7e0317c203d75f1663db6eb8f2b32b243b07903b4100a3a41ab403c1686a90307dabbc735259b471bd0fc25c46fa17ee4a77583a2f98fa468be22e7ca9f1e95b9cd4f7078419a5dddaba0ab8195fea61d5b2f4fdee533c21ca6916de0f42052477b1650903edde3967121afcc2b5edd4f2cccd8eac1abf6ac945285789891c263dadf1ddf3c251345c44af440205cd1a981ca2f5cd1cfc2189737af88753aefbc70b4c314d0a9fe3eca727e6e4a2459051b89b30be6b0", 0xcc, 0x20000810, 0x0, 0x0) 11:01:45 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = dup(r2) write$FUSE_NOTIFY_INVAL_ENTRY(r3, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000000)={0x0}) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(r3, 0x80082102, &(0x7f00000000c0)=r4) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 1579.415053] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1579.456973] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1579.485278] block nbd2: Device being setup by another task [ 1579.520885] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1579.532112] FAULT_INJECTION: forcing a failure. [ 1579.532112] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1579.543957] CPU: 1 PID: 20336 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1579.551855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1579.561345] Call Trace: [ 1579.563942] dump_stack+0x13e/0x194 [ 1579.567580] should_fail.cold+0x10a/0x14b [ 1579.571740] __alloc_pages_nodemask+0x1bf/0x700 [ 1579.576423] ? __alloc_pages_slowpath+0x26c0/0x26c0 [ 1579.581572] ? find_held_lock+0x2d/0x110 [ 1579.585694] cache_grow_begin+0x7b/0x410 [ 1579.589784] kmem_cache_alloc_trace+0x6cf/0x7b0 [ 1579.594450] ? retire_userns_sysctls+0x80/0x80 [ 1579.599038] copy_pid_ns+0x1f8/0xa70 [ 1579.603119] ? copy_ipcs+0x2c4/0x3e0 [ 1579.606853] create_new_namespaces+0x25f/0x730 [ 1579.611449] copy_namespaces+0x27b/0x310 [ 1579.615510] copy_process.part.0+0x2603/0x6a50 [ 1579.620095] ? get_pid_task+0xb8/0x130 [ 1579.623976] ? save_trace+0x290/0x290 [ 1579.627891] ? __lock_is_held+0xad/0x140 [ 1579.632056] ? __cleanup_sighand+0x40/0x40 [ 1579.636297] ? lock_downgrade+0x6e0/0x6e0 [ 1579.640706] _do_fork+0x180/0xc80 [ 1579.644158] ? fork_idle+0x270/0x270 [ 1579.647869] ? fput+0xb/0x140 [ 1579.651078] ? SyS_write+0x14d/0x210 [ 1579.654793] ? SyS_read+0x210/0x210 [ 1579.658415] ? SyS_clock_settime+0x1a0/0x1a0 [ 1579.662824] ? do_syscall_64+0x4c/0x640 [ 1579.666807] ? sys_vfork+0x20/0x20 [ 1579.670344] do_syscall_64+0x1d5/0x640 [ 1579.674262] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1579.679457] RIP: 0033:0x45c829 [ 1579.682659] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1579.690365] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1579.697667] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1579.704947] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1579.712241] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1579.719514] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:45 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x1f, 0x2, 0x0, 0x3, 0x9, 0x0, 0x0, 0x0, 0x0, 0x101}, 0x0) syz_open_procfs(r0, &(0x7f0000000100)='net/nf_conntrack_expect\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000001c40)=[{{0x0, 0x29, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r2, 0x407, 0x0) write(r2, &(0x7f0000000340)="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"/484, 0x1e4) vmsplice(r1, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x1, 0x0, 0x3, 0x0, 0x0, 0x0, 0x100000}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r3, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1579.753831] block nbd2: Device being setup by another task [ 1579.776841] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. 11:01:45 executing program 0: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000080)) r1 = dup(r0) write$FUSE_NOTIFY_INVAL_ENTRY(r1, &(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x12) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r1, 0xc02064b9, &(0x7f0000000100)={&(0x7f0000000040)=[0x6, 0x1, 0x4], &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x3, 0x1, 0xe0e0e0e0}) r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r2, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) r4 = dup(r3) write$FUSE_NOTIFY_INVAL_ENTRY(r4, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$KVM_SET_DEVICE_ATTR(r4, 0x4018aee1, &(0x7f00000001c0)={0x0, 0x50, 0x8, &(0x7f0000000140)=0xf}) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r5, 0xc0045002, &(0x7f0000000080)) r6 = dup(r5) write$FUSE_NOTIFY_INVAL_ENTRY(r6, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) read$midi(r6, &(0x7f0000000540)=""/126, 0x7e) ioctl$SIOCX25GDTEFACILITIES(r4, 0x89ea, &(0x7f00000005c0)) 11:01:45 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x1d, 0x5, 0xffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0xc) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000001440)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 11:01:45 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = dup(r2) write$FUSE_NOTIFY_INVAL_ENTRY(r3, &(0x7f00000007c0)=ANY=[], 0xc) ioctl$LOOP_CLR_FD(r3, 0x4c01) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r4 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r4, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1579.945806] block nbd2: Device being setup by another task 11:01:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x4, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) recvfrom$inet(0xffffffffffffffff, &(0x7f00000000c0)=""/222, 0xde, 0x2000, &(0x7f0000000040)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x37}}, 0x10) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x431) setsockopt$inet_sctp_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0xf001}, 0x8) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x1, 0x84) r4 = dup3(r2, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r4, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x6c, &(0x7f000059aff8)={r5}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000000200)={r5, 0x6}, &(0x7f0000000240)=0x8) r6 = syz_open_dev$ptys(0xc, 0x3, 0x0) ioctl$TIOCSISO7816(r6, 0xc0285443, &(0x7f0000000000)={0x4d, 0xffff, 0x0, 0x8, 0x4}) close(r0) 11:01:45 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x38, 0x2, 0x0, 0x0, 0x9, 0x0, 0x0, 0x2}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x200, 0x40) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}, {&(0x7f0000000200)=""/143, 0x8f}, {0x0}, {&(0x7f0000000340)=""/97, 0x61}, {&(0x7f0000000180)=""/18, 0x12}], 0x5}, 0x2351}], 0x0, 0x2000, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x10000, 0x12142, 0x9, 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, 0x8000fffe, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000100)='./file0\x00', 0x10) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:45 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) dup(r1) sendfile(r1, r0, 0x0, 0x1c01) write$P9_RREADDIR(r0, &(0x7f00000000c0)={0xc5, 0x29, 0x1, {0x1, [{{0x8, 0x3, 0x1}, 0x1000, 0x80, 0x7, './file0'}, {{0x2, 0x0, 0x1}, 0xc69, 0x2, 0x7, './file0'}, {{0x1, 0x1}, 0x8, 0x1, 0x7, './file0'}, {{0x10, 0x0, 0x3}, 0x10001, 0x8, 0x7, './file0'}, {{0x40, 0x1, 0x1}, 0x4, 0x0, 0x7, './file0'}, {{0x1, 0x2, 0x2}, 0x100000000, 0x3f, 0x7, './file0'}]}}, 0xc5) r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r2, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) writev(r2, &(0x7f0000000000), 0x0) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) r4 = syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000380)='NLBL_CALIPSO\x00') sendmsg$NLBL_CALIPSO_C_REMOVE(r2, &(0x7f0000000440)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="000428bd700042c0d833f3345185dfe0fbdbdf2502000000080001000300000008000100020000000800010002000000080001000100"], 0x3c}, 0x1, 0x0, 0x0, 0x40}, 0x24040000) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) r5 = dup(r3) write$FUSE_NOTIFY_INVAL_ENTRY(r5, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$VIDIOC_S_EXT_CTRLS(r5, 0xc0205648, &(0x7f00000000c0)={0xa00000, 0x8001, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000040)={0x98091c, 0x9, [], @p_u16=&(0x7f0000000000)=0x9}}) r7 = socket$kcm(0x10, 0x2, 0x10) r8 = syz_genetlink_get_family_id$ipvs(&(0x7f00000001c0)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DAEMON(r7, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000300)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="01000000000000000000090000003c0003800800010002edffff130002007663616e300000000000000000000000080003000000000014000600ff020000000000000000000000000001"], 0x50}}, 0x0) sendmsg$IPVS_CMD_SET_DEST(r6, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x78, r8, 0x2, 0x70bd27, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x9}, @IPVS_CMD_ATTR_DAEMON={0x5c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x7}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @local}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x1}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth1_to_team\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @private=0xa010100}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e20}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @broadcast}]}]}, 0x78}, 0x1, 0x0, 0x0, 0x800}, 0x808) [ 1580.246557] block nbd2: Device being setup by another task 11:01:46 executing program 3 (fault-call:12 fault-nth:39): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:46 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_TRY_FMT(r0, 0xc0d05640, &(0x7f0000000140)={0x4, @sdr={0x34343452, 0x3ff}}) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) socketpair(0x22, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r1, 0x84, 0x21, &(0x7f00000000c0), &(0x7f0000000100)=0x4) 11:01:46 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x38, 0x2, 0x4, 0x401, 0x9, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x1, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x95}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) ioctl$sock_SIOCGIFVLAN_SET_VLAN_INGRESS_PRIORITY_CMD(r1, 0x8982, &(0x7f0000000000)={0x2, 'veth1_to_hsr\x00', {0x89}, 0x8ca}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) close(r0) 11:01:46 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x301800, 0x0) r1 = socket$inet(0x2, 0x4000000805, 0x0) r2 = socket$inet_sctp(0x2, 0x1, 0x84) r3 = dup3(r1, r2, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r3, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r2, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x6c, &(0x7f000059aff8)={r4}, &(0x7f000034f000)=0x2059b000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xffffffffffffffc1) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000040)={r4, 0x7}, 0x8) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r7, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = request_key(&(0x7f0000000040)='logon\x00', &(0x7f00000000c0)={'syz', 0x0}, &(0x7f0000000100)='\x00', 0xfffffffffffffffe) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000140)={r2, 0xfc, 0x1000}, &(0x7f0000000180)={'enc=', 'oaep', ' hash=', {'sha512-generic\x00'}}, &(0x7f0000000200)="62691c23f2653d8f4636ce387aa53d290b0847a3d7165b2f2880632bdb4b1bdfb21abe2bc81d06e458a8b7a845ec2160592455d6c71069f01e6d31857d28ec2bfdf130fe8f7f3f09649f5999bdae26713078d6cb2553b42898eb53ac2d1c575a7cd52114eab64a4c5416415cc5a710a1b601de3e3bd6adcf9e87160b27303b32d113e9bbb27815b4caa8c86ce3f32f9e50b718768761fbcf82a42c8f83053dcdef500043734f76ac42fdc0cb8069e93fe05e682828091695ff75fee7629083595389c5612aa6751ab01739a0f2df8a1089204104cfcd08a8ea45875ba38ef02831c3d882385b56cfb077f02b21f0b03dfde821225e0a53a122f4f1ae", &(0x7f0000000300)="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") r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) ioctl$PPPIOCGFLAGS(r3, 0x8004745a, &(0x7f0000000000)) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xfffffffffffffffc) [ 1580.434143] block nbd4: Device being setup by another task [ 1580.442477] block nbd2: Device being setup by another task [ 1580.455909] block nbd4: Device being setup by another task [ 1580.472673] block nbd4: Device being setup by another task 11:01:46 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x40) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) getsockopt$EBT_SO_GET_ENTRIES(r2, 0x0, 0x81, &(0x7f0000000100)={'filter\x00', 0x0, 0x3, 0xbb, [], 0x1, &(0x7f0000000000)=[{}], &(0x7f0000000040)=""/187}, &(0x7f00000001c0)=0x78) r3 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$netlink(0x10, 0x3, 0x0) clock_gettime(0x0, &(0x7f0000000200)={0x0, 0x0}) recvmmsg(r4, &(0x7f0000000640)=[{{&(0x7f0000000280)=@hci, 0x80, &(0x7f0000000540), 0x4, &(0x7f0000000680)=""/141, 0x8d}, 0x1}], 0x1, 0x1a002, &(0x7f0000000180)={r5, r6+10000000}) 11:01:46 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) connect$bt_l2cap(r2, &(0x7f0000000040)={0x1f, 0x1, @fixed={[], 0x10}, 0x13cf, 0x1}, 0xe) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1580.483125] block nbd2: Device being setup by another task 11:01:46 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xcc6c2) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) shmget$private(0x0, 0x3000, 0x8, &(0x7f0000ffb000/0x3000)=nil) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x8) [ 1580.514337] block nbd4: Device being setup by another task [ 1580.546762] block nbd0: Device being setup by another task [ 1580.577062] block nbd4: Device being setup by another task [ 1580.590001] block nbd0: Device being setup by another task [ 1580.603867] block nbd1: Device being setup by another task [ 1580.609321] FAULT_INJECTION: forcing a failure. [ 1580.609321] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1580.621356] CPU: 0 PID: 20421 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1580.629269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1580.638664] Call Trace: [ 1580.641756] dump_stack+0x13e/0x194 [ 1580.646182] should_fail.cold+0x10a/0x14b [ 1580.650355] ? save_trace+0x290/0x290 [ 1580.654172] __alloc_pages_nodemask+0x1bf/0x700 [ 1580.658851] ? __alloc_pages_slowpath+0x26c0/0x26c0 [ 1580.663874] ? find_held_lock+0x2d/0x110 [ 1580.667951] cache_grow_begin+0x7b/0x410 [ 1580.672020] kmem_cache_alloc_trace+0x6cf/0x7b0 [ 1580.676701] ? retire_userns_sysctls+0x80/0x80 [ 1580.681297] copy_pid_ns+0x1f8/0xa70 [ 1580.685015] ? copy_ipcs+0x2c4/0x3e0 [ 1580.688741] create_new_namespaces+0x25f/0x730 [ 1580.693335] copy_namespaces+0x27b/0x310 [ 1580.697409] copy_process.part.0+0x2603/0x6a50 [ 1580.702012] ? get_pid_task+0xb8/0x130 [ 1580.702922] block nbd4: Device being setup by another task [ 1580.705904] ? save_trace+0x290/0x290 [ 1580.705916] ? __lock_is_held+0xad/0x140 [ 1580.705938] ? __cleanup_sighand+0x40/0x40 [ 1580.705949] ? lock_downgrade+0x6e0/0x6e0 11:01:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ocfs2_control\x00', 0x2001, 0x0) ioctl$BLKGETSIZE64(r2, 0x80081272, &(0x7f0000000040)) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1580.705966] _do_fork+0x180/0xc80 [ 1580.705980] ? fork_idle+0x270/0x270 [ 1580.705995] ? fput+0xb/0x140 [ 1580.738096] ? SyS_write+0x14d/0x210 [ 1580.741820] ? SyS_read+0x210/0x210 [ 1580.745456] ? SyS_clock_settime+0x1a0/0x1a0 [ 1580.749267] block nbd4: Device being setup by another task [ 1580.749873] ? do_syscall_64+0x4c/0x640 [ 1580.749885] ? sys_vfork+0x20/0x20 [ 1580.749896] do_syscall_64+0x1d5/0x640 [ 1580.749913] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1580.749921] RIP: 0033:0x45c829 11:01:46 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x437) ioctl$BLKPBSZGET(r1, 0x127b, &(0x7f0000000040)) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x3, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) socket$nl_generic(0x10, 0x3, 0x10) [ 1580.749926] RSP: 002b:00007f0c68825c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1580.749937] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1580.749943] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1580.749949] RBP: 000000000078bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 1580.749954] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1580.749960] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c688266d4 [ 1580.907550] block nbd0: Device being setup by another task [ 1580.943377] block nbd0: Device being setup by another task 11:01:46 executing program 3 (fault-call:12 fault-nth:40): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:46 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0xe, 0x3, 0x1f, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$IP_VS_SO_SET_EDITDEST(r1, 0x0, 0x489, &(0x7f0000000000)={{0x0, @multicast2, 0x4e22, 0x2, 'lblcr\x00', 0x1, 0x4, 0x5c}, {@private=0xa010100, 0x4e22, 0x10000, 0x0, 0x1, 0x10000}}, 0x44) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r4, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) lsetxattr(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)=@random={'osx.', '/dev/nbd#\x00'}, &(0x7f0000000140)='/dev/nbd#\x00', 0xa, 0x1) 11:01:46 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa677f21e331b4de7, @perf_bp={&(0x7f0000000100), 0xa}, 0x48063, 0x2, 0x0, 0x0, 0x3, 0x0, 0x6}, 0x0, 0x2000000, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:46 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797", 0x35303553}) 11:01:46 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = msgget$private(0x0, 0xa4) msgctl$MSG_STAT_ANY(r1, 0xd, &(0x7f00000000c0)=""/4096) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1581.069993] block nbd1: Device being setup by another task 11:01:47 executing program 0: openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(0xffffffffffffffff, 0xc0405602, &(0x7f0000000040)={0x0, 0x9, 0x0, "17cf77a37716d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6eaefa04cb06797"}) 11:01:47 executing program 1: clone(0x3, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r0) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) dup(r2) sendfile(r2, r1, 0x0, 0x1c01) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) r4 = dup(0xffffffffffffffff) write$FUSE_NOTIFY_INVAL_ENTRY(0xffffffffffffffff, &(0x7f00000000c0)=ANY=[@ANYRESDEC], 0x12) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400201) r5 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r5, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) syz_open_dev$media(&(0x7f0000000000)='/dev/media#\x00', 0x3f, 0x2000) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r6) setsockopt$TIPC_DEST_DROPPABLE(r4, 0x10f, 0x81, &(0x7f0000000040)=0x5, 0x4) 11:01:47 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) dup(r1) sendfile(r1, r0, 0x0, 0x1c01) ioctl$VIDIOC_DQBUF(r0, 0xc0585611, &(0x7f0000000000)={0x0, 0x5, 0x4, 0x10000, 0x2, {0x77359400}, {0x4, 0x8, 0x40, 0x47, 0x3f, 0x1, "0abfeaab"}, 0xfffffff7, 0x4, @planes=&(0x7f0000000100)={0xffff, 0x7fffffff, @userptr=0xdba8, 0x4}, 0xfffffff0, 0x0, 0xffffffffffffffff}) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x1, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) r6 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r7 = socket(0x2, 0xa, 0x24) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) sendto$inet(r7, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f00000001c0)=ANY=[@ANYBLOB='\x00\x00\x00\x00'], &(0x7f0000a8a000)=0xfffffffffffffd98) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x6c, &(0x7f000059aff8), &(0x7f000034f000)=0x2059b000) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f00000000c0)=@assoc_value={0x0, 0x8}, 0x8) r8 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r8, 0xab02, 0x0) [ 1581.280829] FAULT_INJECTION: forcing a failure. [ 1581.280829] name failslab, interval 1, probability 0, space 0, times 0 [ 1581.292143] CPU: 1 PID: 20499 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1581.300052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1581.309496] Call Trace: [ 1581.312100] dump_stack+0x13e/0x194 [ 1581.315737] should_fail.cold+0x10a/0x14b [ 1581.316577] block nbd2: Unsupported socket: shutdown callout must be supported. [ 1581.319909] should_failslab+0xd6/0x130 [ 1581.319921] kmem_cache_alloc+0x2b5/0x770 [ 1581.319933] ? __lockdep_init_map+0x100/0x560 [ 1581.319945] ? copy_pid_ns+0x4c/0xa70 [ 1581.319958] alloc_pid+0x5a/0xc40 [ 1581.319973] ? create_new_namespaces+0x3ab/0x730 [ 1581.352028] ? memcpy+0x35/0x50 [ 1581.355323] ? copy_thread_tls+0x3c2/0x7a0 [ 1581.359575] copy_process.part.0+0x272f/0x6a50 [ 1581.364174] ? get_pid_task+0xb8/0x130 [ 1581.368070] ? save_trace+0x290/0x290 [ 1581.371879] ? __lock_is_held+0xad/0x140 [ 1581.375960] ? __cleanup_sighand+0x40/0x40 [ 1581.380201] ? lock_downgrade+0x6e0/0x6e0 [ 1581.384363] _do_fork+0x180/0xc80 [ 1581.387832] ? fork_idle+0x270/0x270 [ 1581.391727] ? fput+0xb/0x140 [ 1581.394842] ? SyS_write+0x14d/0x210 [ 1581.398561] ? SyS_read+0x210/0x210 [ 1581.402192] ? SyS_clock_settime+0x1a0/0x1a0 [ 1581.406614] ? do_syscall_64+0x4c/0x640 [ 1581.410592] ? sys_vfork+0x20/0x20 [ 1581.414145] do_syscall_64+0x1d5/0x640 [ 1581.418136] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1581.423332] RIP: 0033:0x45c829 11:01:47 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x1, 0x40200) r2 = socket$inet(0x2, 0x800, 0x1c39) r3 = socket$inet_sctp(0x2, 0x1, 0x84) r4 = dup3(r2, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000200)=[@in={0x2, 0x4e20, @rand_addr=0x64010100}], 0x10) sendto$inet(r4, &(0x7f0000fa3fff)='\t', 0x1, 0x30, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x6c, &(0x7f000059aff8)={r5}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f00000000c0)={r5, @in={{0x2, 0x4e24, @multicast1}}}, &(0x7f0000000180)=0x84) connect$pppoe(r4, &(0x7f00000001c0)={0x18, 0x0, {0x0, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, 'vlan0\x00'}}, 0x1e) setsockopt$bt_BT_SNDMTU(r1, 0x112, 0xc, &(0x7f0000000240)=0x1ff, 0x2) [ 1581.426531] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1581.434252] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1581.441531] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1581.448810] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1581.456086] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1581.463360] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:47 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r4, 0x407, 0x0) write(r2, &(0x7f0000000340), 0x0) vmsplice(r3, &(0x7f0000000000), 0x0, 0x0) sched_setattr(r0, &(0x7f0000000080)={0x38, 0x2, 0x1, 0x10000, 0x3, 0x8b25, 0x0, 0x0, 0x7ff}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x2, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x23, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r5, 0xc0045005, &(0x7f0000000100)=0x1f) [ 1581.502975] block nbd2: Unsupported socket: shutdown callout must be supported. 11:01:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x29, 0x1, 0x1) ioctl$VIDIOC_TRY_EXT_CTRLS(0xffffffffffffffff, 0xc0205649, &(0x7f00000000c0)={0x980000, 0x0, 0x1000, 0xffffffffffffffff, 0x0, &(0x7f0000000040)={0x9909d9, 0x2, [], @p_u32=&(0x7f0000000000)=0x9}}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000100)={[0x7ff, 0x7, 0x1, 0x7, 0x6, 0x1, 0x0, 0x5, 0x3, 0x400000008000000, 0x800, 0x3, 0xffffffff, 0xbba, 0x4928, 0x80000000], 0xd000, 0x296080}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0xf, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = socket$inet(0x2, 0x4000000805, 0x0) r6 = socket$inet_sctp(0x2, 0x1, 0x84) r7 = dup3(r5, r6, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r6, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r7, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r6, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB="01000000", @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x6c, &(0x7f000059aff8)={r8}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, &(0x7f00000001c0)={r8, @in={{0x2, 0x4e21, @local}}, 0x54d2, 0x1000}, &(0x7f0000000280)=0x90) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS(r1, 0xc0406619, &(0x7f0000000000)={{0x0, 0x0, @descriptor="3f7fb176336317d7"}}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x0) [ 1581.718069] block nbd2: Device being setup by another task [ 1581.762626] block nbd2: Device being setup by another task 11:01:47 executing program 3 (fault-call:12 fault-nth:41): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:47 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x1, 0x0, 0x3, 0x0, 0x0, 0x0, 0x6}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) clock_gettime(0x6, &(0x7f0000000000)) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) open_by_handle_at(r2, &(0x7f00000000c0)={0x94, 0x0, "8f8323f8a151cfda6c498caa57c8733e97631b0306fb16a058d197a2a4d25bee6b4b373aafe0c58d6d10b9d1e42a131b1f148d027c601eec0bb68f9bedd351ab18c12ac70779057c3cbfd0516b629bf7354fde043a10467034a5d50e9ced063c5d006998cf73e4a6b99a04a9b0b0474daca98c43387ad8b557c64722b1201f60fc5a5b1538f258b43cfa102c"}, 0x2) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 11:01:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x9) close(r0) [ 1581.971566] block nbd4: Device being setup by another task [ 1582.000217] block nbd4: Device being setup by another task [ 1582.014613] block nbd2: Device being setup by another task 11:01:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = dup(r2) write$FUSE_NOTIFY_INVAL_ENTRY(r3, &(0x7f00000001c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$SNDRV_PCM_IOCTL_HWSYNC(r3, 0x4122, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x437) ioctl$BLKTRACESTOP(r4, 0x1275, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) ioctl$KDSKBLED(r3, 0x4b65, 0x1) [ 1582.043550] block nbd2: Device being setup by another task 11:01:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x440000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 1582.148381] block nbd4: Device being setup by another task [ 1582.172160] FAULT_INJECTION: forcing a failure. [ 1582.172160] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1582.183997] CPU: 1 PID: 20567 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1582.191870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1582.201217] Call Trace: [ 1582.203805] dump_stack+0x13e/0x194 [ 1582.207443] should_fail.cold+0x10a/0x14b [ 1582.211593] __alloc_pages_nodemask+0x1bf/0x700 [ 1582.216254] ? trace_hardirqs_on_caller+0x3f6/0x590 [ 1582.221267] ? __alloc_pages_slowpath+0x26c0/0x26c0 [ 1582.226303] ? find_held_lock+0x2d/0x110 [ 1582.230367] cache_grow_begin+0x7b/0x410 [ 1582.234426] kmem_cache_alloc_trace+0x6cf/0x7b0 [ 1582.239090] ? retire_userns_sysctls+0x80/0x80 [ 1582.243673] copy_pid_ns+0x1f8/0xa70 [ 1582.247380] ? copy_ipcs+0x2c4/0x3e0 [ 1582.251098] create_new_namespaces+0x25f/0x730 [ 1582.255675] copy_namespaces+0x27b/0x310 [ 1582.259740] copy_process.part.0+0x2603/0x6a50 [ 1582.264317] ? get_pid_task+0xb8/0x130 [ 1582.268200] ? save_trace+0x290/0x290 [ 1582.272005] ? __cleanup_sighand+0x40/0x40 [ 1582.276239] ? lock_downgrade+0x6e0/0x6e0 [ 1582.280402] _do_fork+0x180/0xc80 [ 1582.283852] ? fork_idle+0x270/0x270 [ 1582.287556] ? fput+0xb/0x140 [ 1582.290654] ? SyS_write+0x14d/0x210 [ 1582.294361] ? SyS_read+0x210/0x210 [ 1582.297993] ? SyS_clock_settime+0x1a0/0x1a0 [ 1582.302394] ? do_syscall_64+0x4c/0x640 [ 1582.306360] ? sys_vfork+0x20/0x20 [ 1582.309895] do_syscall_64+0x1d5/0x640 [ 1582.313781] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1582.318963] RIP: 0033:0x45c829 [ 1582.322147] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1582.329864] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1582.337138] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1582.344403] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1582.351766] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1582.359035] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:48 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x41, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$VIDIOC_G_MODULATOR(r2, 0xc0445636, &(0x7f0000000000)={0x9, "7d8a55306ca33ddee6b7f788abe456ffdebeb470372913f0b68b2d2cdcc7ac1e", 0x8, 0x7, 0xc4eb, 0x10, 0x4}) r3 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r4, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x20000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 1582.422087] block nbd4: Device being setup by another task [ 1582.458346] block nbd4: Device being setup by another task [ 1582.469569] print_req_error: 689 callbacks suppressed [ 1582.469575] print_req_error: I/O error, dev nbd4, sector 0 [ 1582.480462] buffer_io_error: 690 callbacks suppressed [ 1582.480469] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1582.495828] print_req_error: I/O error, dev nbd4, sector 2 [ 1582.501561] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1582.509836] print_req_error: I/O error, dev nbd4, sector 4 [ 1582.515513] Buffer I/O error on dev nbd4, logical block 2, async page read 11:01:48 executing program 0: socket$rds(0x15, 0x5, 0x0) r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = gettid() ptrace$setopts(0x4206, r1, 0x0, 0x0) tkill(r1, 0x15) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r1, 0x0, 0x0) r2 = syz_open_procfs(r1, &(0x7f0000000040)='net/vlan/vlan1\x00') setsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r2, 0x84, 0x13, &(0x7f00000000c0)=0x9, 0x4) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb0679700"}) 11:01:48 executing program 5: perf_event_open(0x0, 0x0, 0x2, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') r2 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r4, 0x407, 0x0) write(r2, &(0x7f00000004c0)="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", 0x171) vmsplice(r3, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0xb, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r5, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1582.530010] print_req_error: I/O error, dev nbd4, sector 6 [ 1582.535687] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1582.543161] print_req_error: I/O error, dev nbd4, sector 0 [ 1582.548830] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1582.556281] print_req_error: I/O error, dev nbd4, sector 2 [ 1582.562620] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1582.570007] print_req_error: I/O error, dev nbd4, sector 4 [ 1582.577231] Buffer I/O error on dev nbd4, logical block 2, async page read [ 1582.584941] print_req_error: I/O error, dev nbd4, sector 6 [ 1582.590686] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1582.597945] print_req_error: I/O error, dev nbd4, sector 0 [ 1582.604254] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1582.611584] print_req_error: I/O error, dev nbd4, sector 2 [ 1582.613858] block nbd4: Device being setup by another task [ 1582.617243] Buffer I/O error on dev nbd4, logical block 1, async page read 11:01:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x4) 11:01:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x9) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) write$binfmt_elf64(r3, &(0x7f00000000c0)=ANY=[@ANYBLOB="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"/1533], 0x5fd) [ 1582.776456] block nbd4: Device being setup by another task 11:01:48 executing program 3 (fault-call:12 fault-nth:42): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dlm-monitor\x00', 0x230202, 0x0) ioctl$SOUND_MIXER_INFO(r2, 0x805c4d65, &(0x7f0000000180)) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) sendmsg$RDMA_NLDEV_CMD_RES_QP_GET(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, 0x140a, 0x100, 0x70bd2c, 0x25dfdbfd, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x40}, 0x1, 0x0, 0x0, 0x10080}, 0x48004) 11:01:48 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) recvmmsg(r2, &(0x7f0000002d80), 0x0, 0x1a003, &(0x7f0000000180)={r3, r4+10000000}) 11:01:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) fcntl$setsig(r3, 0xa, 0x32) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:48 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1582.880127] block nbd2: Device being setup by another task [ 1582.896670] block nbd4: Device being setup by another task 11:01:48 executing program 2: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x2000, 0x0) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000080)) r1 = dup(r0) write$FUSE_NOTIFY_INVAL_ENTRY(r1, &(0x7f00000007c0)=ANY=[@ANYBLOB="000000578ecf000000004000000000000000be3ced28c64ec8cf7ba1356838cedf362f1e242141010000000100bbaae8026bb9d505b762a35798ae1460e36fc6051fb51d63f93d1da8ce49c5a94610f07a6af7fa325c8d3b43edfd887968d095820a35d5995dbe4ce694b92803cbd18cd22bd494c69a0d4cd7f20b4f8eb69537319cfe54c0310d4f0b7007da6a2085cafc47e555d1f3292ce92886d27a6dfa5eabb6877b6d4720f7ecabfe2c06e2f179bed4c1f97bf46ef90573fe665bc9c2d9fe102ab177e17288fe044a88f8af74b9333ff1e579e00149a05fa6359f5cca225e2c164f7b53cf361490d948a917de4b9fb766e2a8f6d7ae24a200b8b3d1cc381ec09ae6698f6b15a54af1de0231f4261d8ff5a85256461d3c8270fb10b5178757c123c56e6cad14212be6dcb0c4f51fc5551292a72af843c7632e4afe762f11ac5af3e69300205951104f673f59d04734630d6f85eb4b2a453120a3bacdbf65b15edf007c7626bd64488be9a76b8bcb9eaf91be4e0e5db82844f7e760de05420c474695f88bda976f082e680072aa070b9d947ad58a5d05d65414666fff5ff71a8f028fc8a0033c0e03484ad6999765619ca028ecb3180e64026571a89a2ef81f09ecbc0c53310b06edacb40bfcea9d810a079740df729af3fda30754c8a7158f25ed4c85c5c7fbe96e986115cc1979de3c936edc277982cad421338154631a2f29c38d24403efa116702153f011bae08e54944d1c1409caf62f0cd2d08311306df4e6f2fe492d815a59adb0c05b7f0f4fec765b439e26426aa8ef48cc5ef30e389222b0675cf813179d451276930961d175ce3e1815daf24ef288c2b17f34516ec25a5ef1b76a24ecfd05ce58317627288af0ee5c9a4f4496b17ba99b30bda43863c68cf06b9086835b41c689db1cee96e2bc072edc166967aa0d85e03adde2b9865d1d69d006f63a1d6e171"], 0x12) ioctl$TIOCPKT(r1, 0x5420, &(0x7f0000000000)=0x10000000) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) setsockopt$inet6_IPV6_RTHDR(r4, 0x29, 0x39, &(0x7f00000000c0)={0x0, 0xc, 0x0, 0x7f, 0x0, [@initdev={0xfe, 0x88, [], 0x1, 0x0}, @empty, @private0={0xfc, 0x0, [], 0x1}, @ipv4={[], [], @remote}, @mcast1, @loopback]}, 0x68) 11:01:48 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) syz_open_dev$sg(&(0x7f0000000080)='/dev/sg#\x00', 0x4, 0x5012c0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r1, 0xc01064b5, &(0x7f0000000040)={&(0x7f0000000000)=[0x0], 0x1}) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1582.921314] block nbd4: Device being setup by another task [ 1582.977010] block nbd4: Device being setup by another task [ 1582.997425] block nbd4: Device being setup by another task 11:01:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) shmget(0x0, 0x3000, 0x8, &(0x7f0000ffa000/0x3000)=nil) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1583.055396] block nbd2: Device being setup by another task [ 1583.120931] FAULT_INJECTION: forcing a failure. [ 1583.120931] name failslab, interval 1, probability 0, space 0, times 0 [ 1583.132264] CPU: 1 PID: 20646 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1583.140279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1583.149643] Call Trace: [ 1583.152242] dump_stack+0x13e/0x194 [ 1583.155880] should_fail.cold+0x10a/0x14b [ 1583.160039] should_failslab+0xd6/0x130 [ 1583.164010] kmem_cache_alloc+0x2b5/0x770 [ 1583.168181] alloc_vfsmnt+0x23/0x7c0 [ 1583.171937] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1583.177395] vfs_kern_mount.part.0+0x27/0x3c0 [ 1583.181899] ? kmem_cache_alloc+0x604/0x770 [ 1583.186232] kern_mount_data+0x51/0xb0 [ 1583.190122] pid_ns_prepare_proc+0x1a/0x80 [ 1583.194372] alloc_pid+0x9be/0xc40 [ 1583.197921] copy_process.part.0+0x272f/0x6a50 [ 1583.202499] ? get_pid_task+0xb8/0x130 [ 1583.206394] ? save_trace+0x290/0x290 [ 1583.210199] ? __lock_is_held+0xad/0x140 [ 1583.214381] ? __cleanup_sighand+0x40/0x40 [ 1583.218611] ? lock_downgrade+0x6e0/0x6e0 [ 1583.222765] _do_fork+0x180/0xc80 [ 1583.226232] ? fork_idle+0x270/0x270 [ 1583.230038] ? fput+0xb/0x140 [ 1583.233138] ? SyS_write+0x14d/0x210 [ 1583.236846] ? SyS_read+0x210/0x210 [ 1583.240485] ? SyS_clock_settime+0x1a0/0x1a0 [ 1583.244897] ? do_syscall_64+0x4c/0x640 [ 1583.248873] ? sys_vfork+0x20/0x20 [ 1583.252412] do_syscall_64+0x1d5/0x640 [ 1583.256302] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1583.261582] RIP: 0033:0x45c829 [ 1583.264785] RSP: 002b:00007f0c687c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1583.272490] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1583.279752] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1583.287018] RBP: 000000000078c0e0 R08: ffffffffffffffff R09: 0000000000000000 [ 1583.294284] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1583.301566] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687c36d4 [ 1583.384539] block nbd4: Device being setup by another task [ 1583.410308] block nbd4: Device being setup by another task 11:01:51 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_G_PRIORITY(r0, 0x80045643, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x1, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:51 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x38, 0x2, 0x0, 0x0, 0xfffffff7, 0x0, 0xfffffffffffffff7}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:51 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$ifreq_SIOCGIFINDEX_wireguard(r2, 0x8933, &(0x7f0000000000)={'wg0\x00'}) r3 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r4, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:51 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) fsetxattr$trusted_overlay_origin(r0, &(0x7f00000000c0)='trusted.overlay.origin\x00', &(0x7f0000000100)='y\x00', 0x2, 0x6) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) getsockopt$inet_sctp6_SCTP_AUTOCLOSE(r4, 0x84, 0x4, &(0x7f0000000000), &(0x7f0000000040)=0x4) 11:01:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) openat$dsp(0xffffffffffffff9c, &(0x7f0000000300)='/dev/dsp\x00', 0x129a40, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r2 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$VHOST_SET_VRING_ADDR(r2, 0x4028af11, &(0x7f00000002c0)={0x3, 0x0, &(0x7f00000000c0)=""/248, &(0x7f0000000000)=""/108, &(0x7f00000001c0)=""/193, 0x10000}) close(r0) 11:01:51 executing program 3 (fault-call:12 fault-nth:43): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) [ 1585.703487] block nbd2: Device being setup by another task [ 1585.713796] block nbd4: Device being setup by another task [ 1585.714513] block nbd1: Device being setup by another task [ 1585.745656] block nbd2: Device being setup by another task [ 1585.754507] block nbd4: Device being setup by another task 11:01:51 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$VIDIOC_S_EXT_CTRLS(r2, 0xc0205648, &(0x7f00000000c0)={0xfffffff, 0x1, 0xd5, 0xffffffffffffffff, 0x0, &(0x7f0000000040)={0x990a62, 0x1, [], @ptr=0x7}}) ioctl$VIDIOC_SUBDEV_S_SELECTION(r3, 0xc040563e, &(0x7f0000000100)={0x0, 0x0, 0x40b1a12b5826c38f, 0x1, {0x146c, 0x2, 0x6, 0xffff}}) 11:01:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) getsockname$netlink(r3, &(0x7f0000000000), &(0x7f0000000040)=0xc) close(r0) [ 1585.801924] block nbd2: Device being setup by another task [ 1585.863830] FAULT_INJECTION: forcing a failure. [ 1585.863830] name failslab, interval 1, probability 0, space 0, times 0 [ 1585.875663] CPU: 0 PID: 20695 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1585.883567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1585.892950] Call Trace: [ 1585.895542] dump_stack+0x13e/0x194 [ 1585.899177] should_fail.cold+0x10a/0x14b [ 1585.903328] ? proc_get_inode+0x620/0x620 [ 1585.907487] should_failslab+0xd6/0x130 [ 1585.911461] kmem_cache_alloc_trace+0x2db/0x7b0 [ 1585.916122] ? lock_downgrade+0x6e0/0x6e0 [ 1585.920268] ? proc_get_inode+0x620/0x620 [ 1585.924410] sget_userns+0x102/0xc30 [ 1585.928117] ? get_empty_filp.cold+0x37/0x37 [ 1585.932520] ? set_anon_super+0x20/0x20 [ 1585.936492] ? proc_get_inode+0x620/0x620 [ 1585.940632] mount_ns+0x65/0x180 [ 1585.943995] mount_fs+0x92/0x2a0 [ 1585.947374] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1585.951877] ? kmem_cache_alloc+0x604/0x770 [ 1585.956207] kern_mount_data+0x51/0xb0 [ 1585.960100] pid_ns_prepare_proc+0x1a/0x80 [ 1585.964343] alloc_pid+0x9be/0xc40 [ 1585.967891] copy_process.part.0+0x272f/0x6a50 [ 1585.972481] ? get_pid_task+0xb8/0x130 [ 1585.976366] ? save_trace+0x290/0x290 [ 1585.980171] ? __lock_is_held+0xad/0x140 [ 1585.984333] ? __cleanup_sighand+0x40/0x40 [ 1585.988573] ? lock_downgrade+0x6e0/0x6e0 [ 1585.992741] _do_fork+0x180/0xc80 [ 1585.998028] ? fork_idle+0x270/0x270 [ 1586.001760] ? fput+0xb/0x140 [ 1586.004862] ? SyS_write+0x14d/0x210 [ 1586.008606] ? SyS_read+0x210/0x210 [ 1586.012231] ? SyS_clock_settime+0x1a0/0x1a0 [ 1586.016641] ? do_syscall_64+0x4c/0x640 [ 1586.020620] ? sys_vfork+0x20/0x20 [ 1586.024160] do_syscall_64+0x1d5/0x640 [ 1586.028663] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1586.033861] RIP: 0033:0x45c829 [ 1586.037074] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1586.044801] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1586.052073] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1586.059343] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1586.066612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1586.073887] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:52 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) dup(r1) sendfile(r1, r0, 0x0, 0x1c01) ioctl$TIOCNOTTY(r0, 0x5422) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x0) 11:01:52 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) r2 = dup(r1) syz_extract_tcp_res$synack(&(0x7f0000000600), 0x1, 0x0) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f00000006c0)=ANY=[@ANYBLOB="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"], 0x12) r3 = openat$cgroup_ro(r2, &(0x7f0000000140)='io.stat\x00', 0x0, 0x0) perf_event_open$cgroup(&(0x7f00000000c0)={0x5, 0x70, 0xff, 0x7, 0x20, 0x6, 0x0, 0x0, 0x98003, 0x3, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x4, @perf_config_ext={0x7fff, 0x9}, 0x9, 0x1, 0x7, 0x5, 0x9, 0x3ff, 0x401}, r3, 0x1, 0xffffffffffffffff, 0x5) openat$fuse(0xffffffffffffff9c, &(0x7f0000000040)='/dev/fuse\x00', 0x2, 0x0) [ 1586.133052] block nbd4: Device being setup by another task 11:01:52 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x20000, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1586.200466] block nbd4: Device being setup by another task 11:01:52 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000080)) r3 = dup(r2) write$FUSE_NOTIFY_INVAL_ENTRY(r3, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$SNDRV_CTL_IOCTL_PVERSION(r3, 0x80045500, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$sock_SIOCGIFVLAN_SET_VLAN_NAME_TYPE_CMD(r1, 0x8982, &(0x7f0000000000)={0x6, 'bridge_slave_1\x00', {0x1}, 0xd926}) 11:01:52 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = openat(r1, &(0x7f00000000c0)='./file0\x00', 0x0, 0x185) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$fou(&(0x7f00000001c0)='fou\x00') sendmsg$FOU_CMD_DEL(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r5, 0xe7a035cf4856fee5}, 0x14}}, 0x0) r6 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) getsockopt$inet_IP_IPSEC_POLICY(r7, 0x0, 0x10, &(0x7f0000000280)={{{@in=@empty, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@private1}, 0x0, @in6=@private0}}, &(0x7f0000000380)=0xe8) sendmsg$FOU_CMD_DEL(r3, &(0x7f0000000480)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x50, r5, 0x2, 0x70bd2a, 0x25dfdbfb, {}, [@FOU_ATTR_TYPE={0x5, 0x4, 0x3}, @FOU_ATTR_PORT={0x6, 0x1, 0x4e23}, @FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_PEER_V4={0x8, 0x8, @empty}, @FOU_ATTR_PEER_V6={0x14, 0x9, @dev={0xfe, 0x80, [], 0x24}}, @FOU_ATTR_IFINDEX={0x8, 0xb, r8}]}, 0x50}, 0x1, 0x0, 0x0, 0x4}, 0x24008040) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvram\x00', 0x472a41, 0x0) getsockname$l2tp6(r9, &(0x7f0000000040), &(0x7f0000000080)=0x20) [ 1586.256593] block nbd4: Device being setup by another task 11:01:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r3, 0xc0045002, &(0x7f0000000080)) dup(r3) sendfile(r3, r2, 0x0, 0x1c01) ioctl$SG_IO(r2, 0x2285, &(0x7f0000001b40)={0x0, 0xffffffffffffffff, 0x89, 0x40, @scatter={0x8, 0x0, &(0x7f0000001c40)=[{&(0x7f00000005c0)=""/130, 0x82}, {&(0x7f0000000680)=""/4096, 0x1000}, {&(0x7f0000001680)=""/232, 0xe8}, {&(0x7f0000000040)=""/8, 0x8}, {&(0x7f0000001780)=""/211, 0xd3}, {&(0x7f0000001880)=""/23, 0x17}, {&(0x7f00000018c0)=""/168, 0xa8}, {&(0x7f0000001980)=""/104, 0x68}]}, &(0x7f0000001a00)="1408ae4b514a786cdefc0a5b578f1ddc4108ef36c8aa8bcdd79d48c7b176dbc0840c97b2db4417090bcb4b4f2fd10227c6af9bff12837a57d64aa33439d6b185c4502a7064dfce8643136c65fc316d8b6c84588d3f148c7c3533dfb7d2a08bf04f28953aaacfb348ef7135f83d988be43000ea8b1d01f7a875c301b117ed600aeff7d0f8a7d912340a", &(0x7f0000001ac0)=""/43, 0x3, 0x10005, 0x3, &(0x7f0000001b00)}) ioctl$NBD_DO_IT(r0, 0xab03) r4 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x101140, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r4, 0xc4c85513, &(0x7f00000000c0)={{0x4, 0x4, 0x11a, 0x7, '\x00', 0x1}, 0x0, [0x400, 0x9, 0x3, 0x553, 0x8, 0x400, 0x3, 0xff, 0x7, 0x9, 0xa0000, 0x2, 0xffffffff80000000, 0x9, 0xeba1, 0x1ff, 0x6, 0x0, 0x1f, 0x2, 0x4, 0x3, 0x6, 0xf6, 0x0, 0x8001, 0xfffffffffffffffa, 0xd0, 0x7, 0x3, 0x0, 0x9, 0x1, 0x2, 0x9, 0x3, 0x1, 0x0, 0x805, 0x3f, 0x8, 0x8, 0x4, 0xff, 0x0, 0x1f, 0x4, 0x1, 0x6, 0x74b5, 0x4, 0x6, 0x6, 0x1, 0x7f, 0xd29, 0xfc8, 0x0, 0x8, 0xffffffff98c7e0f2, 0x6, 0x20, 0x4, 0x20, 0x1, 0x100000000000000, 0xfc1, 0xffffffffffff804d, 0x6, 0x101, 0x8, 0x6, 0x0, 0x4, 0x6, 0x5, 0x1000, 0x8, 0x81, 0xff2f, 0x9, 0xff, 0xb0e, 0x6, 0x60000000, 0x40, 0x100000001, 0x4, 0x1, 0x6, 0x800, 0x0, 0x3, 0x4, 0x1ff, 0xff, 0x99d, 0x1452, 0x3f, 0x6, 0xff, 0x586c, 0x3, 0x6, 0x9, 0x2, 0xfff, 0x401, 0xa41, 0x2, 0x5, 0x0, 0x4, 0x1f, 0x5a7, 0x6, 0x7, 0x83f2, 0x0, 0x5, 0x1f, 0x9, 0xce7d, 0xfffffffffffffc01, 0x9, 0x1, 0x400, 0x7]}) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:52 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000100)) r2 = dup(r1) clock_gettime(0x5, &(0x7f0000000200)) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r5, 0xc0045002, &(0x7f0000000080)) r6 = dup(r5) write$FUSE_NOTIFY_INVAL_ENTRY(r6, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) r7 = openat$cgroup_ro(r6, &(0x7f0000000140)='rdma.current\x00', 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r8 = socket(0x2, 0x1, 0x0) write$FUSE_NOTIFY_INVAL_ENTRY(r7, &(0x7f00000001c0)=ANY=[@ANYRES32=r7, @ANYRES64=r8], 0x12) unlinkat(r2, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r9 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$VIDIOC_S_PRIORITY(r9, 0x40045644, 0x0) [ 1586.336838] block nbd2: Device being setup by another task [ 1586.369316] block nbd4: Device being setup by another task [ 1586.379036] block nbd2: Device being setup by another task 11:01:52 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) pselect6(0x40, &(0x7f0000000000)={0xfffffffffffffffc, 0x200, 0x7, 0x8, 0x1, 0x100000001, 0x3, 0x9}, &(0x7f0000000040)={0x9, 0x3, 0x5, 0x3f, 0x2, 0xfffffffffffffffe, 0x1, 0x20}, &(0x7f00000000c0)={0x57, 0x1000, 0x7, 0x2, 0x6, 0x6, 0x3, 0x5}, &(0x7f0000000100), &(0x7f0000000180)={&(0x7f0000000140)={[0x7f]}, 0x8}) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 1586.415307] QAT: Invalid ioctl 11:01:52 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r3, 0x894b, &(0x7f0000000440)) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) r5 = dup(r4) write$FUSE_NOTIFY_INVAL_ENTRY(r5, &(0x7f0000000480)=ANY=[@ANYBLOB="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"], 0x12) ioctl$SNDRV_SEQ_IOCTL_DELETE_QUEUE(r5, 0x408c5333, &(0x7f0000000000)={0x4, 0x3b, 0x1, 'queue1\x00', 0x9}) r6 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) sendmsg$sock(r7, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000280)="c100f6e6d899e0b79dd6447849b38876f7459de50e0cb51f7cdecd115c76629d50ee8e3ad9ee570aeb333bfbbe204d87e5419b8c8b0a2a4712357c248a18f942450c68f69e39c0ac8772dc4af3ec673f4e0bf9add729136e7f49b23de2ff6abfa591e8703c9bd9707ad9f0b778075047a9e925155c00f7c379bb73ff979902288a49fec564a8270770021d5acf54536ac3de5942a04e0ba40a7163c5c93130acfdaf459fba4af419487139bd7f793aefed1e3e293ff03d43c7835307e8c7fa2e33600ccc4a274e7448859d9cd5a70b169317a68e7178c3f20b5bec991c2e2fbb0d6f", 0xe2}, {&(0x7f00000000c0)="94ca2aa72eafb2e33cc7a8468226e22e075815d5b2c27dca838d675a1346e594711b59bafb2566ede62f6f17838803da08b428c128c8c160a0e228a0f8e6c5b9bce28e40cc8a2e57d3dbfe1c9e2c", 0x4e}, {&(0x7f0000000140)="e46f821c984ca9315e640efaa8d9f66c07159de76c", 0x15}], 0x3, &(0x7f0000000380)=[@txtime={{0x18, 0x1, 0x3d, 0x8}}, @mark={{0x14, 0x1, 0x24, 0x61}}, @timestamping={{0x14, 0x1, 0x25, 0x9}}, @txtime={{0x18, 0x1, 0x3d, 0x6}}, @txtime={{0x18, 0x1, 0x3d, 0x9}}, @mark={{0x14, 0x1, 0x24, 0x9}}, @timestamping={{0x14, 0x1, 0x25, 0x1}}], 0xa8}, 0x4008800) r8 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r8, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1586.522946] block nbd4: Device being setup by another task [ 1586.546785] block nbd0: Device being setup by another task [ 1586.551781] QAT: Invalid ioctl [ 1586.646622] block nbd1: Device being setup by another task 11:01:52 executing program 3 (fault-call:12 fault-nth:44): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:52 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(0xffffffffffffffff, &(0x7f0000000500)="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", 0x188) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:52 executing program 0: openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) ioctl$FBIOPUT_VSCREENINFO(r0, 0x4601, &(0x7f0000000080)={0x556, 0x960, 0x190, 0x384, 0xff, 0x80, 0x24, 0x1, {0x1, 0x9, 0x1}, {0x204a, 0x100}, {0x7e1, 0x1, 0x1}, {0x1, 0x4}, 0x1, 0x2, 0xffffffff, 0xffffffff, 0x1, 0x0, 0x1000, 0x6, 0x6, 0xc0000000, 0xa0, 0x1, 0x8, 0x2, 0x2, 0x8}) 11:01:52 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) setsockopt$inet_MCAST_JOIN_GROUP(r2, 0x0, 0x2a, &(0x7f00000000c0)={0x661, {{0x2, 0x4e20, @local}}}, 0x88) prctl$PR_SET_MM_MAP_SIZE(0x23, 0xf, &(0x7f0000000000)) 11:01:52 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x4) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) setsockopt$netrom_NETROM_IDLE(r5, 0x103, 0x7, &(0x7f0000000180)=0x3, 0x4) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000140)='l2tp\x00') sendmsg$L2TP_CMD_TUNNEL_CREATE(r6, &(0x7f0000000240)={0x0, 0x68, &(0x7f0000000200)={&(0x7f00000002c0)={0x5c, r7, 0x917, 0x0, 0x0, {}, [@L2TP_ATTR_PROTO_VERSION={0x5}, @L2TP_ATTR_CONN_ID={0x8}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [], @initdev={0xac, 0x1e, 0x0, 0x0}}}, @L2TP_ATTR_PEER_CONN_ID={0x8}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}]}, 0x5c}}, 0x0) sendmsg$L2TP_CMD_TUNNEL_DELETE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x3c, r7, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@L2TP_ATTR_PEER_COOKIE={0xc, 0x10, 0x5}, @L2TP_ATTR_IFNAME={0x14, 0x8, 'vlan0\x00'}, @L2TP_ATTR_MRU={0x6, 0x1d, 0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8040}, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1586.786831] block nbd2: Device being setup by another task [ 1586.812527] block nbd4: Device being setup by another task [ 1586.827510] block nbd4: Device being setup by another task 11:01:52 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video35\x00', 0x2, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) getsockopt$inet_mtu(r2, 0x0, 0xa, &(0x7f0000000000), &(0x7f00000000c0)=0x4) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) 11:01:52 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x437) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) setsockopt$nfc_llcp_NFC_LLCP_RW(r2, 0x118, 0x0, &(0x7f0000000000)=0x400, 0x4) [ 1586.843170] block nbd4: Device being setup by another task 11:01:52 executing program 4: r0 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x437) close(0xffffffffffffffff) bind$bt_sco(r0, &(0x7f0000000000)={0x1f, @fixed={[], 0x11}}, 0x8) 11:01:52 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000080)) r1 = dup(r0) write$FUSE_NOTIFY_INVAL_ENTRY(r1, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$EVIOCGBITKEY(r1, 0x80404521, &(0x7f0000000000)=""/40) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r2) r3 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') ioctl$SNDCTL_DSP_SPEED(0xffffffffffffffff, 0xc0045002, &(0x7f0000000080)) dup(0xffffffffffffffff) sendfile(0xffffffffffffffff, r3, 0x0, 0x1c01) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400202) r4 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r4, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) [ 1586.950318] FAULT_INJECTION: forcing a failure. [ 1586.950318] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1586.962163] CPU: 1 PID: 20794 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1586.970049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1586.971778] block nbd2: Device being setup by another task [ 1586.979404] Call Trace: [ 1586.979427] dump_stack+0x13e/0x194 [ 1586.979447] should_fail.cold+0x10a/0x14b [ 1586.979464] __alloc_pages_nodemask+0x1bf/0x700 [ 1586.979477] ? trace_hardirqs_on+0x10/0x10 [ 1586.979489] ? __alloc_pages_slowpath+0x26c0/0x26c0 [ 1586.979499] ? find_held_lock+0x2d/0x110 [ 1586.979523] cache_grow_begin+0x7b/0x410 [ 1586.979537] kmem_cache_alloc_trace+0x6cf/0x7b0 [ 1587.013742] block nbd2: Device being setup by another task [ 1587.017640] ? proc_get_inode+0x620/0x620 [ 1587.017653] sget_userns+0x102/0xc30 [ 1587.017663] ? get_empty_filp.cold+0x37/0x37 [ 1587.017676] ? set_anon_super+0x20/0x20 [ 1587.017687] ? proc_get_inode+0x620/0x620 [ 1587.017704] mount_ns+0x65/0x180 [ 1587.051895] mount_fs+0x92/0x2a0 [ 1587.055275] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1587.059773] ? kmem_cache_alloc+0x604/0x770 [ 1587.064098] kern_mount_data+0x51/0xb0 [ 1587.068017] pid_ns_prepare_proc+0x1a/0x80 [ 1587.072255] alloc_pid+0x9be/0xc40 [ 1587.075832] copy_process.part.0+0x272f/0x6a50 [ 1587.080416] ? get_pid_task+0xb8/0x130 [ 1587.084295] ? save_trace+0x290/0x290 [ 1587.088105] ? __lock_is_held+0xad/0x140 [ 1587.092170] ? __cleanup_sighand+0x40/0x40 [ 1587.096396] ? lock_downgrade+0x6e0/0x6e0 [ 1587.100543] _do_fork+0x180/0xc80 [ 1587.103995] ? fork_idle+0x270/0x270 [ 1587.107704] ? fput+0xb/0x140 [ 1587.111236] ? SyS_write+0x14d/0x210 [ 1587.114942] ? SyS_read+0x210/0x210 [ 1587.118574] ? SyS_clock_settime+0x1a0/0x1a0 [ 1587.122994] ? do_syscall_64+0x4c/0x640 [ 1587.126962] ? sys_vfork+0x20/0x20 [ 1587.130520] do_syscall_64+0x1d5/0x640 [ 1587.134422] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1587.139605] RIP: 0033:0x45c829 [ 1587.142792] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 11:01:52 executing program 5: r0 = perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r1 = getpid() sched_setattr(r1, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r2 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r2, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(r0, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r4, 0x407, 0x0) write(r4, &(0x7f0000000340), 0x41395527) vmsplice(r3, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x1, 0x0, 0x3, 0x0, 0x0, 0x0, 0x400}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r5, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1587.150541] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1587.157817] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1587.165093] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1587.172353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1587.179629] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 [ 1587.202309] block nbd0: Device being setup by another task [ 1587.225818] block nbd0: Device being setup by another task 11:01:53 executing program 0: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) r1 = add_key$user(&(0x7f00000001c0)='user\x00', &(0x7f0000000200)={'syz', 0x3}, &(0x7f0000000240)='t', 0x1, 0xffffffffffffffff) keyctl$KEYCTL_PKEY_SIGN(0x1b, &(0x7f0000000180)={r1, 0xbe, 0x1000}, &(0x7f0000004640)=ANY=[@ANYBLOB="656e633d72617720686173683d6469670000000000000000000000000000000000000000000000000000000000000000000000849dad6493af2e1dc9bc12e0932cd034c8463206376603faad33533cacf54c07a51b0efa5eff5a42e428a571c2b3fd68301ccac3251faccc130515140e0400dc00d2f668eff2e082b773858a9c9132c21cdb2dfb6c220690fb0e0d36c5ae4ab37b4d2888a674c3a4872b179402a82edf989e9879a7473e45ab3e2c949a850ef4a5efe8386d090bce01746dc0eba1bc79c324cb59470c362ea286ef09d480b66ee5ba7b0f06ee6f32e67c048e3d5f5db2d823fa1843a918075630be46a869e70d7f84be641f08fccf0a13be706221a84aed7c972bc49606000000000000004a731db7cbc94dbfa87b50109bdcc9f26595dd019dbda35b4e75ddc8f3f507203a9a8429e5228526c90cdc25d402a2fd7d1720292115536fd79202fbb72540dd97f835ee721b26039fef8169b4e0bcc1f4e384722e478a58698609bba1692ee345d9979d669732a352a8f90f8aa51a141fcf00c394412d8ecde256fedd5362f4733b4a7ec886422d4e3cf656bcde168d94847caa6b1c239b8947b2f1e5f12230c441eda53e8baaa9d4ebfd53eb8e81ec54a4a87f6661c2975111f0a7bfb8b7ab6525d4d3dd3e73d08ac32588303d52f2e431b2b6004f2d31fb2a372a213e997701a01b10ba4e350000010049fbbd77c1eceab99199a56e9326cbe4638434a95ae66216d7fb00000000000000026dad7022e8030ee148cd88f26dd4c2e0e0f0e076afa0c4bf00c5710517f98bd067b15b0ba773d8a759cf7b2ebedef719efe11d65c6eb90fbe28fd6905febb1e1e043d4876fa97cbbd9100784e00bbbc028defb8709775f65844cca231cdd2b75f92cb7f94d312a1db1b3f386a6cb6cd6cd25164946896d53e1d57de54a4774a965a3377f826a318d81e6386c6880910b71a052e75b4ca3ba80298f349e51266b4eb7e86d1d4722300d3e28e157262f875e2ed1339bfe7cb86413cd1d26daebbbb086542a781faeb70eedbeba8a5f36f172e9f788490cea07bd291990f47fd3e74ad72a6b6c4e4567d860a5d4ed3a18e450c3097bd64466df73de7a3deeef04d441830b00825b9b1234ef8ac1cfa551543fc11e5afe18b1d1a1371917e2779f1bd0d1a8abbcc3ceaeadfffb9bccf551eff5c2786bacd2a437147521e1aef9a2402c260a31192f3d60fece58f5402b80a23ffaca831c0e792a1600a8fe8b0f4291f031bbe7a520d0006ac8746e1ec956df72b646ec0b3810cee95e464c4a99427197d5ce3cdff3182030dcb870f0e41893ec77d78437fe03008f1470265f7c991e0e004d3599f548bd0f765d6138b5fca6e9eed546f1dd99c3c3234426494e68aafa95e724f76f85134c5abe7748f4c5ac636917251da65e6aaa774816f5233b5fc14ed473de5697c85824f5a783f41e6b8cf020077127c7bf310fc0aaf66f8771d085e4d3856a9c2e6b6a937db101266274257a30b09eefc3c4cbf8e3bbefe60f479b1b669279664600000000000000000000000000000000000000000000000000000000af00d30c058b95af407e1f80354978102b6a574c4987d3b58b6a1366901773f3a2299b6c731c507342e6101ac90131d566850a2b3e9ac55cdbc6abb20297c9cc54be6b29e114bc420b694a2bd6c41eb7ea9440ab71e432dbb6fc4fbda1444344e785750200882d8623b17cf82f77c83e30590d488e68916bc33f8a7d38baa48e1206dfb34753b9f08a5b978109b25dbcada2e76997bedf6ac735782365c2f411224c6d521221ae6460a39af817881a75803cc4c10bd690caee4f10e30397a66bda241b6128126ca5522fb16bfa38ff49d74bd734216e3c40995341827c320bc5c901d787c444ec28dd458207695993d811e35fbc4082f6dc70423b534c552223ae98cede5596f0a0095efb4944a70fd4f8c8ea1da5496f69a421b13ae738c04701ea17a14de2f378dcdd483cb6232cceaa0ae0522ecb8a3e2eecfbfb1d39305edd19ec022b7d73f5647b0ebd7db2003730d4d70a4cab09786be9132d935322886026388d05bd6b123c"], &(0x7f00000002c0)="afa956f99fd5ca40a2a1515e0d4bba7d88a39d6919ef447e8984c7e0cd4407af0aed3a82dc305722365fc3188e138c41acd2c584ddd617254db80f19a6dae9d7585a00bb7a94c78069051dbbbb88ebde2a6e5b6b75df1a0ce8c65323f27c5b4c2f9a3177e57ddb7135da90f1784d0bf29366e0f2c970aea6115c47b75127e0ef73d614fc9e4a1c750cfaddf118b1f06ddfdf96531ed1ae7a89b3976c09fc52aff0f7effdf05e750548608ee8181e8a64ec66cec78f7b3fc33b37ef434288", &(0x7f0000000540)=""/4096) r2 = add_key(&(0x7f00000000c0)='syzkaller\x00', &(0x7f0000000100)={'syz', 0x2}, &(0x7f0000000140)="681481383028159e0490e4dd0708b5856f51b20df6b1d0a2f2b38ca480e2be74789669a1ce115f44ee2bb9a2c3d757769b811cab341152eeb0ce41db54882a2f51fd16c0328a66faa73b8872ae6a1abc278e526af8deb088685f2877375e2556d7bbd51d55ad25048127959d14dd93a1dc159193dc267ab0138274b21f2e829798a109f7e18337ed0ac1da0d146efe1dc61bae", 0x93, 0xfffffffffffffffa) keyctl$instantiate(0xc, r1, &(0x7f0000000040)=@encrypted_load={'load ', 'ecryptfs', 0x20, 'trusted:', '', 0x20, 0x1f5, 0x20, [0x63, 0x61]}, 0x2f, r2) r3 = semget$private(0x0, 0x207, 0x0) semctl$SETALL(r3, 0x0, 0x11, 0x0) semctl$GETVAL(r3, 0x2, 0xc, &(0x7f0000000380)=""/119) 11:01:53 executing program 3 (fault-call:12 fault-nth:45): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:53 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_bp={&(0x7f0000000100)}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_mount_image$minix(&(0x7f0000000000)='minix\x00', &(0x7f0000000040)='./file0\x00', 0x6, 0x6, &(0x7f0000001380)=[{&(0x7f00000000c0)="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", 0x1000, 0xc795}, {&(0x7f00000010c0)="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", 0xfa, 0x4}, {&(0x7f00000011c0)="c5065d97ccc15472e3ec045a92443fb0daa67872a03752d35cd0a7fe37bfac366887d26f46046dd6", 0x28, 0x2}, {&(0x7f0000001200)="3ccd105d862a3fb344a40c97e07615b3c3a43d7fe5745d745a1f80349fa31d53ef93cdfbf45f56871cf910b98ff21198dbf5c1474ba7d4004936c4d612f34fe227a3946254bbb6eb6c2c948842212a2a2f60905832a301ed39cf528014d176770f", 0x61, 0x5}, {&(0x7f0000001280)="16707bd1b491ffa5699788a7c7e3013983683a16ca685aacecec485e902d1bc2", 0x20, 0xf68}, {&(0x7f00000012c0)="95c54ea5663c0a640a0edf242b761f5fa5890de295b08d5cfefcaa669eba5ff761adec9a21b3b0eb6e46bcac4a1ab78e095c964c0ce767b215084c0b74ddc959cc978490e536b04e43d06e6fb624868abdaea88436adf34fa7749580c172e189a774da67337ffb1a968d4c1ed35e91c2a38179e4222c0b7540d76c0fb7db0cdf62739ea3e07bd13e56198efe2b", 0x8d, 0x6}], 0x110004, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) 11:01:53 executing program 1: clone(0x88000800, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x437) r4 = dup(0xffffffffffffffff) write$FUSE_NOTIFY_INVAL_ENTRY(r4, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) ioctl$KVM_SET_SIGNAL_MASK(r4, 0x4004ae8b, &(0x7f0000000140)={0x1c, "f2fdd294733fc9d31f5f30f71e6fe1a0558fd3c9f5de6ccf2019115e"}) r5 = openat$cgroup_ro(r1, &(0x7f0000000040)='cpu.stat\x00', 0x0, 0x0) poll(&(0x7f0000000080)=[{r0, 0x10}, {r2, 0x40}, {r5, 0x2}], 0x3, 0x7ff) exit_group(0x800) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) write$vhost_msg(r5, &(0x7f00000001c0)={0x1, {&(0x7f0000000380)=""/122, 0x7a, &(0x7f0000000280)=""/251, 0x3, 0x1}}, 0x48) r6 = socket$netlink(0x10, 0x3, 0x0) clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) recvmmsg(r6, &(0x7f0000002d80), 0x0, 0x1a002, &(0x7f0000000180)={r7, r8+10000000}) [ 1587.408242] block nbd4: Device being setup by another task [ 1587.428504] block nbd4: Device being setup by another task [ 1587.611659] block nbd1: Device being setup by another task [ 1587.645428] FAULT_INJECTION: forcing a failure. [ 1587.645428] name failslab, interval 1, probability 0, space 0, times 0 [ 1587.656789] CPU: 0 PID: 20830 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1587.664686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1587.674157] Call Trace: [ 1587.676762] dump_stack+0x13e/0x194 [ 1587.680420] should_fail.cold+0x10a/0x14b [ 1587.684567] ? proc_get_inode+0x620/0x620 [ 1587.688708] should_failslab+0xd6/0x130 [ 1587.692678] kmem_cache_alloc_trace+0x2db/0x7b0 [ 1587.697343] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1587.702792] ? sget_userns+0x102/0xc30 [ 1587.706679] ? rcu_read_lock_sched_held+0x10a/0x130 [ 1587.711691] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 1587.716533] ? proc_get_inode+0x620/0x620 [ 1587.720679] selinux_sb_alloc_security+0x41/0x210 [ 1587.725517] security_sb_alloc+0x66/0xa0 [ 1587.729579] sget_userns+0x194/0xc30 [ 1587.733283] ? get_empty_filp.cold+0x37/0x37 [ 1587.737689] ? set_anon_super+0x20/0x20 [ 1587.741668] ? proc_get_inode+0x620/0x620 [ 1587.745814] mount_ns+0x65/0x180 [ 1587.749187] mount_fs+0x92/0x2a0 [ 1587.752661] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1587.757153] ? kmem_cache_alloc+0x604/0x770 [ 1587.761473] kern_mount_data+0x51/0xb0 [ 1587.765360] pid_ns_prepare_proc+0x1a/0x80 [ 1587.769592] alloc_pid+0x9be/0xc40 [ 1587.773141] copy_process.part.0+0x272f/0x6a50 [ 1587.777740] ? get_pid_task+0xb8/0x130 [ 1587.781627] ? save_trace+0x290/0x290 [ 1587.785420] ? __lock_is_held+0xad/0x140 [ 1587.789482] ? __cleanup_sighand+0x40/0x40 [ 1587.793734] ? lock_downgrade+0x6e0/0x6e0 [ 1587.797886] _do_fork+0x180/0xc80 [ 1587.801345] ? fork_idle+0x270/0x270 [ 1587.805056] ? fput+0xb/0x140 [ 1587.808167] ? SyS_write+0x14d/0x210 [ 1587.811884] ? SyS_read+0x210/0x210 [ 1587.815503] ? SyS_clock_settime+0x1a0/0x1a0 [ 1587.819903] ? do_syscall_64+0x4c/0x640 [ 1587.823883] ? sys_vfork+0x20/0x20 [ 1587.827414] do_syscall_64+0x1d5/0x640 [ 1587.831302] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1587.836500] RIP: 0033:0x45c829 [ 1587.839680] RSP: 002b:00007f0c68825c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1587.847474] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1587.854751] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 11:01:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000140)='l2tp\x00') sendmsg$L2TP_CMD_TUNNEL_CREATE(r2, &(0x7f0000000240)={0x0, 0x68, &(0x7f0000000200)={&(0x7f00000002c0)=ANY=[@ANYBLOB='\\\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="1709000000000000000001000000050007200000000000000000000200ffffac1e000108000a40000000002beaab5f011e44d614001f00"/71], 0x5c}}, 0x0) sendmsg$L2TP_CMD_TUNNEL_GET(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@L2TP_ATTR_COOKIE={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x840}, 0x20) r4 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r4, 0xc0405602, &(0x7f0000000080)={0x0, 0x1, 0x0, "17cf77a37706d4fa33fe2bf00fe4592b9f6aa9146ded0a5bb6ea22064cb06797"}) [ 1587.862016] RBP: 000000000078bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 1587.869289] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1587.876554] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c688266d4 [ 1587.905172] print_req_error: 466 callbacks suppressed [ 1587.905178] print_req_error: I/O error, dev nbd4, sector 0 [ 1587.918905] buffer_io_error: 466 callbacks suppressed [ 1587.918911] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1587.942450] print_req_error: I/O error, dev nbd4, sector 2 [ 1587.948164] Buffer I/O error on dev nbd4, logical block 1, async page read 11:01:53 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) connect$vsock_dgram(r4, &(0x7f0000000040)={0x28, 0x0, 0xffffffff}, 0x10) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000000)={0x8000, 0x80000000}, 0xc) 11:01:53 executing program 4: ioctl$sock_inet_SIOCGIFADDR(0xffffffffffffffff, 0x8915, &(0x7f0000000200)={'xfrm0\x00', {0x2, 0x4e21, @local}}) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x1, 0x84) r5 = dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r5, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x4e20, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f0000000100)=ANY=[@ANYBLOB="e65ccc2271efe2be6ada52f329e3fd5431546df0f84d5c15b4b0c166deb684dcfb516c62c1e267cda93bad44af184c33559926778a003aeffa0d6bd3cb599f29360226ef7ab2b2c5f86cc6505f1ff3eb609f59e53701c5f4a9cd1633fe3fcde455784895f67350245f2bfc45084d2ddddfea3813cd5bd6f40ba466d7daa7307bd5886612e5102b769a1cfaa7b7ca7207b600ee176051b34fbec66853cfb9fc957f2ec0c271514f711f9726deee5d384f4c275328bd07494f63f8d1369bf185d10b", @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x6c, &(0x7f000059aff8)={r6}, &(0x7f000034f000)=0x2059b000) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x66, &(0x7f0000000000)={r6, 0x7}, &(0x7f0000000040)=0x8) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$sock_SIOCGPGRP(r4, 0x8904, &(0x7f00000000c0)=0x0) setpriority(0x0, r7, 0x7) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1587.951552] block nbd0: Device being setup by another task [ 1587.955622] print_req_error: I/O error, dev nbd4, sector 4 [ 1587.966604] Buffer I/O error on dev nbd4, logical block 2, async page read [ 1587.974413] print_req_error: I/O error, dev nbd4, sector 6 [ 1587.980152] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1587.987547] print_req_error: I/O error, dev nbd4, sector 0 [ 1587.993293] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1588.000717] print_req_error: I/O error, dev nbd4, sector 2 [ 1588.006397] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1588.008770] netlink: 64 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1588.014461] print_req_error: I/O error, dev nbd4, sector 4 [ 1588.028083] Buffer I/O error on dev nbd4, logical block 2, async page read [ 1588.035189] print_req_error: I/O error, dev nbd4, sector 6 [ 1588.040915] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1588.048130] print_req_error: I/O error, dev nbd4, sector 0 [ 1588.053917] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1588.061581] print_req_error: I/O error, dev nbd4, sector 2 [ 1588.067746] Buffer I/O error on dev nbd4, logical block 1, async page read [ 1588.227667] block nbd4: Device being setup by another task 11:01:54 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r2, 0x84, 0x4, &(0x7f0000000000)=0x80000, 0x4) [ 1588.284755] block nbd4: Device being setup by another task 11:01:54 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x3) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000200)={0x38, 0x2, 0x10000015, 0x0, 0x9, 0x400000003, 0x8001}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(r0, &(0x7f0000000180)='attr/keycreate\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000040)=[{&(0x7f0000000240)="b8e9341851fc222866937583bcd7d619715862c0adf6aef2d399f8c955019c9fbcf530e7303eec89e679757f954af38b4b3218b29f4396a9221d619ad7ecfc35bfc53972fad40eaccd143e6c7d34db5598a76b24e81a8821691943719aeac326926a36075f277f46f6093e771530adf471c1c60df6c390a7d30388ab21c6", 0x7e}], 0x1, 0x14) sched_setattr(0x0, &(0x7f00000002c0)={0x29, 0x2, 0x1, 0x2, 0x2, 0x4000, 0x6, 0xfffffffffffffffe}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1844, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_bp={&(0x7f0000000100), 0x9}, 0x48063, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x8) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:54 executing program 1: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x8082, 0x0) ioctl$VIDIOC_S_TUNER(r0, 0x4054561e, &(0x7f0000000040)={0x8, "abd81041e75b700d2f678f786777b2d0e5da8d82ea985d116b66880d3364446a", 0x3, 0x0, 0x4, 0xe2, 0x1, 0x2, 0x4, 0x7f3}) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r3, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) 11:01:54 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_bp={&(0x7f0000000100)}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1588.393009] block nbd2: Device being setup by another task 11:01:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="000000006700ef7276971200090001007665746800"/32], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r5, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) r6 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r6, 0xc0045002, &(0x7f0000000080)) r7 = dup(r6) write$FUSE_NOTIFY_INVAL_ENTRY(r7, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], 0x12) setsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f00000001c0)={{{@in=@empty, @in6=@private1, 0x4e23, 0x1, 0x4e20, 0x81, 0xa, 0x1a0, 0x20, 0x3a, r5}, {0x2, 0x6, 0x1f, 0x5, 0x3, 0x6e, 0x2}, {0x0, 0x10000, 0xffffffffffffff81, 0x100000000}, 0x200, 0x6e6bb5, 0x1, 0x0, 0x0, 0x1}, {{@in=@local, 0x4d6, 0x32}, 0x2, @in=@private=0xa010102, 0x3507, 0x1, 0x0, 0x0, 0xdb5, 0x1, 0x200}}, 0xe8) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1588.493748] block nbd4: Device being setup by another task [ 1588.512476] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1588.633673] block nbd4: Device being setup by another task [ 1588.676308] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. 11:01:54 executing program 3 (fault-call:12 fault-nth:46): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x437) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) setsockopt$nfc_llcp_NFC_LLCP_RW(r2, 0x118, 0x0, &(0x7f0000000000)=0x400, 0x4) 11:01:54 executing program 4: perf_event_open(&(0x7f0000000500)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'aead\x00', 0x0, 0x0, 'gcm(cast6)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c5820fae9d6dcd3292ea54c7beef915d564c90c200", 0x18) r1 = accept(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000000140)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000440)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000040)={0x0, 0xfffffffffffffefb, &(0x7f000000b600)=[{&(0x7f0000002e80)=""/167, 0x7a10}], 0x1}, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) r4 = openat$binder_debug(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/binder/transactions\x00', 0x0, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000001880)=@delqdisc={0x140, 0x25, 0x8, 0x70bd29, 0x25dfdbff, {0x0, 0x0, 0x0, r5, {0x7, 0xe}, {0x0, 0xfff3}, {0xe, 0xf}}, [@TCA_STAB={0x11c, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xfc, 0x8, 0x7, 0x101, 0x2, 0x7192, 0x6, 0x3}}, {0xa, 0x2, [0x7fff, 0x200, 0x14c]}}, {{0x1c, 0x1, {0x4, 0xfc, 0x8, 0x7, 0x1, 0x9, 0xd9, 0x1}}, {0x6, 0x2, [0xa7a]}}, {{0x1c, 0x1, {0x0, 0x0, 0x25, 0x921, 0x0, 0xb56, 0x1}}, {0x4}}, {{0x1c, 0x1, {0x1, 0x81, 0x6, 0x10001, 0x0, 0x10000, 0x7ff, 0x2}}, {0x8, 0x2, [0x8, 0xab21]}}, {{0x1c, 0x1, {0x7, 0x1, 0xd, 0x6, 0x0, 0x3, 0xffffffc1, 0x7}}, {0x12, 0x2, [0x9, 0xcccf, 0x8, 0xa91, 0x9, 0x4, 0xfff]}}, {{0x1c, 0x1, {0x40, 0x7, 0x152, 0x0, 0x2, 0x0, 0x80000000, 0x2}}, {0x8, 0x2, [0x7d, 0x20]}}, {{0x1c, 0x1, {0x7, 0x1, 0x43, 0x4, 0x0, 0x7, 0x1d2e, 0x9}}, {0x16, 0x2, [0x9, 0x401, 0x8000, 0x1, 0x4d90, 0x5, 0x7ff, 0x6, 0x3]}}]}]}, 0x140}}, 0x0) sendmsg$TCPDIAG_GETSOCK(r4, &(0x7f0000000200)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000580)={0x12e8, 0x12, 0x100, 0x70bd2d, 0x25dfdbfc, {0x29, 0x0, 0x0, 0x6, {0x4e20, 0x4e21, [0x8, 0x8, 0x10000, 0x400], [0x9, 0x800080, 0x1, 0x8], r5, [0x7, 0x9]}, 0xfffffaca, 0x5891298e}, [@INET_DIAG_REQ_BYTECODE={0x86, 0x1, "f0852fcbb1fda407f85dbdc738e133ef2821424eb69d52de0d0c4be653164e6c645f52806b8c633585cffa28f6362527ad2b059bd5e7a6df990d2bf1cb42b52afd647b2173c92442d5cf0623826fefa5a83d787acf0633dad26157560c7815bda65a338b59d09a833e7fb04095984127c23dd238c979c257aa66ae7735eabb4921c4"}, @INET_DIAG_REQ_BYTECODE={0xcb, 0x1, "5ff6e6ad0b2f0f20e46be3059a955a40c6095b7fb7c767e721018fe7693100fc4f4ff69f84c829ab93b61025b430561e5799ce8f58f925d7b270f3e57c9d903f08186d00a6873440498cd002a418666a2fd6ff589087e3bcd00c49c78d6cbdef501daf7d8bde6dd5c0074036dbcb4313ced692ec7a4cf39161f4e7d87dee13c4b4215a9b2367eae9049e3a49f181e785481fdfb3f6e58a0426994b543f02553022fa1c28ee5dd0095953cff6137717a66f8c8fc6ce902c2461758e5934fcadf530a3927119498f"}, @INET_DIAG_REQ_BYTECODE={0x72, 0x1, "643facd58e8c79a73ba4e71717cb0271ee12ee1410e56634b0c696001f3a0ff55746f985b3df8c49e93567d6ad0eb0398b37d62f05637cfa906d4a35fdfd978d303fbaa17c7116f6171a3e6a3e25920d205aae67293d0aa62228913b334a887244580772af5b2e9c34b22f18affd"}, @INET_DIAG_REQ_BYTECODE={0x23, 0x1, "2e97d627a87adc4ecf12fa20b941c25f89367afc0b8e73b01b1bdc46b2f7b3"}, @INET_DIAG_REQ_BYTECODE={0xab, 0x1, "603a34caa68fe780123ce4fcb8f2eba8c276215216e0965653bd9408df2327035004293a38d6f920321884af644f2029266bf644f3fb0704ceea8ced53060b6fa9a2c52766f8ee042bb98bb4471dd0d21670d81f7f7c70274d36f82f22f7655d7f6ca90a5630e0d41759a66fcbfdea30cc7f47c3fd2efb136b37099356c45ada2acd085a65829fc4cc20fb60f6397c821c2af6539fa59c598dcbc980dcd6c36e10e292dc48e498"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "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"}]}, 0x12e8}, 0x1, 0x0, 0x0, 0x40808}, 0x10001) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r4, 0x84, 0x65, &(0x7f0000000100)=[@in={0x2, 0x4e21, @multicast1}, @in={0x2, 0x4e22, @rand_addr=0x64010102}, @in={0x2, 0x4e24, @broadcast}, @in={0x2, 0x4e20, @remote}], 0x40) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x437) close(r2) 11:01:54 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x38, 0x2, 0x0, 0x0, 0x9, 0x0, 0x0, 0x69, 0x1}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f0000000340)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}, {&(0x7f0000000200)=""/232}], 0x3}, 0x3}], 0x400000000000033, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x80, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) fsetxattr$trusted_overlay_nlink(0xffffffffffffffff, &(0x7f0000000100)='trusted.overlay.nlink\x00', &(0x7f0000000180)={'L+', 0x40}, 0x16, 0x3) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r4, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:54 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cachefiles\x00', 0x40101, 0x0) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000140)='l2tp\x00') sendmsg$L2TP_CMD_TUNNEL_CREATE(r3, &(0x7f0000000240)={0x0, 0x68, &(0x7f0000000200)={&(0x7f00000002c0)={0x5c, r4, 0x917, 0x0, 0x0, {}, [@L2TP_ATTR_PROTO_VERSION={0x5}, @L2TP_ATTR_CONN_ID={0x8}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [], @initdev={0xac, 0x1e, 0x0, 0x0}}}, @L2TP_ATTR_PEER_CONN_ID={0x8}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}]}, 0x5c}}, 0x0) sendmsg$L2TP_CMD_TUNNEL_GET(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r4, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@L2TP_ATTR_OFFSET={0x6, 0x3, 0x3}, @L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5, 0x22, 0x1}, @L2TP_ATTR_UDP_DPORT={0x6, 0x1b, 0x4e23}, @L2TP_ATTR_OFFSET={0x6}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x100000001}]}, 0x40}, 0x1, 0x0, 0x0, 0x40040}, 0x4010) [ 1588.986054] block nbd0: Device being setup by another task [ 1589.016877] block nbd0: Device being setup by another task [ 1589.039882] block nbd4: Device being setup by another task [ 1589.071607] FAULT_INJECTION: forcing a failure. [ 1589.071607] name failslab, interval 1, probability 0, space 0, times 0 [ 1589.083127] CPU: 0 PID: 20926 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1589.091039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1589.100404] Call Trace: [ 1589.103011] dump_stack+0x13e/0x194 [ 1589.106683] should_fail.cold+0x10a/0x14b [ 1589.110854] ? proc_get_inode+0x620/0x620 [ 1589.115015] should_failslab+0xd6/0x130 [ 1589.118992] kmem_cache_alloc_trace+0x2db/0x7b0 [ 1589.123660] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1589.129104] ? sget_userns+0x102/0xc30 [ 1589.132986] ? rcu_read_lock_sched_held+0x10a/0x130 [ 1589.137995] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 1589.142838] ? proc_get_inode+0x620/0x620 [ 1589.146995] selinux_sb_alloc_security+0x41/0x210 [ 1589.151848] security_sb_alloc+0x66/0xa0 [ 1589.155903] sget_userns+0x194/0xc30 [ 1589.159619] ? get_empty_filp.cold+0x37/0x37 [ 1589.164066] ? set_anon_super+0x20/0x20 [ 1589.168039] ? proc_get_inode+0x620/0x620 [ 1589.172216] mount_ns+0x65/0x180 [ 1589.175598] mount_fs+0x92/0x2a0 [ 1589.178971] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1589.183462] ? kmem_cache_alloc+0x604/0x770 [ 1589.187780] kern_mount_data+0x51/0xb0 [ 1589.192637] pid_ns_prepare_proc+0x1a/0x80 [ 1589.196962] alloc_pid+0x9be/0xc40 [ 1589.200513] copy_process.part.0+0x272f/0x6a50 [ 1589.205097] ? get_pid_task+0xb8/0x130 [ 1589.208981] ? save_trace+0x290/0x290 [ 1589.212795] ? __lock_is_held+0xad/0x140 [ 1589.216890] ? __cleanup_sighand+0x40/0x40 [ 1589.221126] ? lock_downgrade+0x6e0/0x6e0 [ 1589.225275] _do_fork+0x180/0xc80 [ 1589.228729] ? fork_idle+0x270/0x270 [ 1589.232441] ? fput+0xb/0x140 [ 1589.235542] ? SyS_write+0x14d/0x210 [ 1589.239252] ? SyS_read+0x210/0x210 [ 1589.242894] ? SyS_clock_settime+0x1a0/0x1a0 [ 1589.247302] ? do_syscall_64+0x4c/0x640 [ 1589.251288] ? sys_vfork+0x20/0x20 [ 1589.254826] do_syscall_64+0x1d5/0x640 [ 1589.258721] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1589.263922] RIP: 0033:0x45c829 [ 1589.267103] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1589.274815] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1589.282180] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1589.289443] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1589.296705] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1589.303967] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x437) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) setsockopt$nfc_llcp_NFC_LLCP_RW(r2, 0x118, 0x0, &(0x7f0000000000)=0x400, 0x4) 11:01:55 executing program 1: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair(0x23, 0x5, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) getsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f00000004c0)={{{@in6, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@mcast1}}, &(0x7f00000005c0)=0xe8) sendmsg$ETHTOOL_MSG_LINKINFO_SET(r4, &(0x7f0000000680)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x28, 0x0, 0x200, 0x70bd29, 0x25dfdbff, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0xbb}, @ETHTOOL_A_LINKINFO_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x90}, 0x0) [ 1589.505503] block nbd0: Device being setup by another task [ 1589.538590] block nbd0: Device being setup by another task 11:01:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x437) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) setsockopt$nfc_llcp_NFC_LLCP_RW(r2, 0x118, 0x0, &(0x7f0000000000)=0x400, 0x4) 11:01:55 executing program 1: clone(0xc2200200, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$nullb(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nullb0\x00', 0x101000, 0x0) sysfs$2(0x2, 0x9, &(0x7f0000001280)=""/252) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x22, 0x1, 0x9) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) accept4$unix(r4, &(0x7f00000001c0)=@abs, &(0x7f0000000140)=0x6e, 0x80000) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r5) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000100)=0x1) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$sock_bt_hidp_HIDPCONNADD(0xffffffffffffffff, 0x400448c8, &(0x7f0000001380)={r4, 0xffffffffffffffff, 0x8, 0x1000, &(0x7f0000000280)="338046bcd2905dc3f794209e3481da442673f338fa760cc429280776bb6e30b7d79256a5400d7181ab1c6290435cbd03164686f6878150e0cea4ef2a11a6e9aa2a9c0b07965ceff8dabe0e3adf817ce23ffdc0688f1fc57b97a38624af13157f0f23b2be49bb0cbe1f5e575b31112ba4361f0eee6be10e0a979ab60feaf7ca45d8dad52a144f3f7087415c2deeffcfe63c65d25eefe7766c295eaf09249cf273b56f1f4ff8f3b70b1f56394fc6ecd19c9e3ae7547c43062be34a1b85cd00c35e91fdc6f1aa4ff0fdbc66bbf640fd0b862d0acee41d23e4a7f3b16e45e683cdd05e8a38806a983ce65d8387de1389cb5ead7035a767380f934697b2b24d66120f1c7b9da2f29c85084ad9d627e32b5fdde711eb01268c81e3fdf247c4f8e5ab9dc5993dc56b43083f3ef95edb8ba1c098f9f3ebaa1af2d1e97e496044623be5326e781102c562f5b40fff443c48ede5df7d8a8eff00be0d6c4d17251b23811f54c3bd80c8fe1f299547c75113dd6df0aa1d0a9d802d7c43346730d8571f4cec6fc3b6a260c66d45aeeee321e2bde79bca1c68a0570295be946acacf7c8496c9750d9310748b55a6f3ea2917e8c2c86c633f545efc0aa1d99e0e9dfe1d57c4af40c13eee914af5c3a599bc66a67dc8948a87a824b5200007e8beb6289d48fabf23cbe31ee21923fea77e561228c1b899da2405a703f3016160d58ea7a61084b362d5c57483026042970773dc18ff5f96106e5db5917fe09bbc53bb245a80e70d791b074d06d5774d497feb4f31e16c1b2938a9b68480a3c5e4a92582d715ef1521166d1300ff52aa3da9fe9598751fb523b14abae0e1ce73989afbc8e7b1bc36195fc346608f5d8204006db55a9cfec645c7b7f57b3f0ae452be4e3e0c820d25c83d74b0dd8d9ffeee50cac11cb4dd4f03b649ad2ae1164e1352de0d3388a792c667277036b4f18e98537905aefe01790873cdfba09350d13e97714ec6fbd8487c87f113a8b71760f9fd66f92f2e8269e660cf2c5a7259ff5b3f4fcc509e480d6c645dd239045f708e291be4169d17e0fc899e420eca909027062d5f37c4b32b4e494355a0f7aa0d81b70edd6d93e121519cbc19f1c6098c25e223f8a919c2be280e354f5fe170dd57220fb265578b6d3a84e9ec6b29ba1f40faee3135b4ae3d7ab47029201cbd8a226830049560e14dc3914c157a390ee6f1d45bb0e3fe872ed29f4fecac7c66d7bd727022ac1310991e2a4ac46ced11417ff64732ae3f489b8cdf057c60bf484a224c1d29caae43a61ebb281ecad05f887c37b00e23579910be7bc74c728cd7cb5d13971b56206e860f50f52770f5c15edbaf799428301d553cc5f396f9c0bce61806e8852b34ec83668724724124fb4bc729d6bd187c1bf22c9c022ff3c8b707ee3e6131893739122ad504b5d4cfc3f4da59f89768ad668ded909a12cd6470847b511d15220031166ba3a8405f41d1491b1eb52c35324222e28f8a4e64e689ae25e248ca7671ad4d46d032ea6f5fe8589c0e4aadfa5f17af391ea2cc058f28619d960d16f2ee4d8861805c741d227d1d5fb00fd7141a1343228806cf18db7ba6ee64b074b04395979d3054e06c8c17222b7996caa294208ab42578509ae43a5ac06b4578131b5b71d3359689fc03842cf448cef43fb9c365bc8bcf291e1d7a9c327bcd4883430dbcc10836a72d41ff6f6558dc7ecc125787e5d39756b6ce77c55e4865d33127f6621df3bb6fd504a40fa56744f5083959b5c1da3702ffe023e99b91eaf272f6cc1fa876492c110916cb5acd4c94ba30c9ff7a51453b6ac65d5c47535ea7966a266f00bb8b3ba61d35ae1bec9fe411fb48ae9e5db650f877a1ca468118e55bb79c2882b2bce5c1bee6e4ee75ae9968be7f1ab2a4a36beeced07781b7f2614a123f1339d860b096961f5068cbf645dba51a9bd2a5d5fc6cc830fed46d8e7d6af53b65e0dfa2f7952167a088115d5a8d7302bea6d27fb4c1dc6a6f453a2bfb222e025b0e9d12e37a55047a55ae9c7b2dc158d525445fb6a5b98ea794254c6454210686f708a149622d046b718e2cb1470b72df5c11f5e2249318bde1d57b8992ddab75b130980443c70ff6bca67b141279c28342226f1b2f1d4fc75bc2900ea34cdf7770e9f902d25f689f214ca00e490b068a9b70c3bbb9e8d574dff1e8a2b528b7d9506f78b5302b25380cc1e787d7b3bf6334f45185fb63034eb40372ca19fe7fae35c3cff875f3c268f41d3f306177aac9c485e2afad79c6d4224fa638d1a2d1a9efb759783ab2c3aad07a4f5b0eb19f2da3d3eb2d14071a9ba186e019450dbc853f7ae5353d3d114b1d8a99c4afad181ef56b2e07dd1ecf8d83d1dbd3cb3bc0488fd8bcee14aa34077d90e7265a39de3c7ab16a1772a3b7a21163c58f6a7a4ab95581b87dd923d7ed58a4fd617e6865290ffdd7b9250f10b0f2616f3bb6433778a01d1db3675f9b298133e97e22cf62021f8e2f6eeb96b8d8ac6c1fb34a44102ab7d0c767b19c033f1317204dfb9a1bef95245157c8c893d118f0fcb9573acdbc70b4b50daf9cade8c52f83a8f18381719419aece16dd57f063268aa072a9b5f9f97a0472b340896dc5cfd898dd5dfadf0fb2272d96533f0eb2f4b8c44520a16fe461699aa24bfb34f2c33f980e0afe2f21e5c535209fe82f0e914b4ab53588406bf2148ebb5be2f6cbddacdf0858cd356ff57b4bd59ad1b150efc5c303bd02316a44914b5673ec3244abbde421b6be6ff132389a4c1714da6101ae92f31f6d08a8a13484161c5e2b7d24450922ab5ae7216757bacd4508b1f46dda8d7f5c042d7d8f50f79a49e28f65b33ddaaafc7e6373c24c200f76fdad0dfc88eef8777efe7e4c50884310da188f5225ad5adf695d8e0cf1ceeda8a5a589764524b86d2847a1dc2fc43624d988b43c841576391048450391618261cd45ec09f7929fae2afc86a79371515800c70c9344da68ce6b46089cc6e3ea242a8270982e4038ffaa9aee59bd2db832c302c96cdc8e382412891199892074f3ba74ea23ef64d01acbe5b7f9988598549439b50af54f986a39fa0b84f1933df11eb1ee41d06e48fc750d66d06c26149a20b360fe688b98260da96a3be662f5462a46aa7f5d808ef2300ecbffe3d8c7f0eaff087608c82d95a54e21eeaef10955964460bb6257554035f4abd1156fd9c2b036b8d28caa1a022ddf0049cb114029229f7e795e72e1288c6689cefb2a5c892768c5809f3f900ada448ee8c69a41999293956975fc9bb38366bf0d7457f7fca57c5eae54181789902b2496b9d3d347d5cbe923783b58aeb1b06663b6f9c11d8b4e79d687196201b0498bb6157e070a31ac332b468f1e79f82216d0037780ee633d9990e52adb53ee3fbf40b086f64b03dcf3c62534c805e1833ec7a639bd22db80a36ecbe1e8528b60ff65c8af62ef45f86040ab67f84d6432740ff6a4d3c65ee481c6daaecc42dc84bf8dfe027954a8d3a819c2adac3995f10ad3d689adf07b1c0aea176b8b8c2252f390340377af1ff99153c1befeb6d51141357d694cec4b62210d9a6baf2376a5e9271dea0aaa7401267e968f681d349724929421842d5c664a3c5d7f29a0977d98c2694841706388697312935efe1283e5c26cddb7a0c410b8db7298a8f69aa5ce16c7429c00ae9aea393cd4751cb60dbb748e541cb5d63b7f27fe2337d7112572b284c66fbecb984a01c48090e1002e95dc3e598fe123c0fe59d9a16f88d7872f089ef11f2593edb3deb59e97049b901cee04e7abcfd3b81977db9c6dd94d2786d028299b8a67c8899a016a8f124f120892d6190762b7518ba51a143564946ccf3af3e1c8fe48cf7daf0f12ad77ddcade7dbbb6343d57723f84a7fad2bfc3a78b94f34b7c6864653ff94ee7865772d94b8c15cd580ce9d50486a2592838b0e19532c9ba5b6b9e3aa3f27be2682430dd76554d32852b5ed4ff8e0a2fb575c79ed30bf48967ae7307e5a8bdec7259ae627d7c9a30382c706cff723c4029044d347294b476334de425cb1a32c8d9deea4576e385a1054d37676d76e356d6a2fcb7568685cf7e3e5455b4dd9adf4bc33d9bf36edde04f96279018ea40558b6b268e165c7680f22175b82974557454f2ee9694a35f96eec5a2f19c08f7cd272830bf27d6c1d72e819bbcdc91b2344a1e89b38b3dc9e94727d9e19e11b3646b3f5bdac81d10dd24390fea7cd134398d2e87aa3cd3b273cf2c3be26062d9e3669cb69c0a8e03b10238194a3864b87000b342016e32ceb06d57e808d40bda363a11b8713e133c78bd9d044a15afee9ba78c6b24f08cd79d80ba4f1f007ea0482444a9ef6b7458c6872efe06eec23cb7684b67d271a994a27ae3cb7df1fd14487994aca2f3b17f12e0582602bfc1303bf6ff158e69effd00627fb006326686e1eb4f83d46c93ce8f4b794e5ee604064c740a3a2049eaa80afcdaa59f91125dc37fe341d65d5cb61f51b31f90042b7e9f539eef0b5183392d21b7322d939c0dfe6aee98bdac5ce6fc979d608c2bd8dc6ce9de35eb34b52bde8d05bc1ae4dab5e90b5c44fc660f0339a812bf24e2629244456b6df0b60677a0bf47f90d435673a4c164b5b6b3dbc4d299621aefc1150171e8022cd38b0e75ae81d5f032c2140126494ddac9d2965b6a3ad51f72a3d57569488924c004152d44db74ee8fef30c324ff3cf93a5fe36da09bc989cccf07914dbf020e886d262b8d03dea03d8b95bc0f762cf2f26765f4100bde480b773fe59aa0eb6df82f097fd81ec92e2a88621b5973a6e0abc133a9596b01b954f8ae48ee061b2cf92abac553baaa4e4eedf033bcc13ca90d2b3e7410b970e28b484ffecf1d2d46be52f88def4cc11f1f03406ba7a4a0d2619f05f96d7b05dcfd48c564e6dc55340ea031fdeb4ace04ce030f2fb30fe5958c71b984a91de25b70f87eb901ad49f7386b43ef53cfcfa2d80e23b71db06cf9844d2d8769c13400238299cac796b0fb4a5a1371b3983b54b6f8b9e3289918c154a94de6a42f1c92ccc475494b45d30165079b80a39114b6be845739e0a9a464ecde15f3527dea5e6b602469515287e7350e12573ccdd7abe92fa8ebf7ea769e191670d82dc61d29d9a24406bdc2b92e602535156167f3e71c1652761fac585dac0b6b813c76221343da77fec2e6decbd03798d02913bb20b9d298f76d32b00b976e83804c81b9b03c1029a79c07290e1bb6bfe1eef384eed3885c987764c9d03970d20b6d4872c4dfe0337c62a6ba2f3c509d065cec2c0c0f64cea75035602aa1a16ec14964992cead2095ba4be4905de7619c48184c282ed82554138e4ee1f559522634107ef60a6048dc20bbba0774b07875ba821f46293bf8f9735b62e6da7a640100850f8c8808ed425cc06cf03f509d42b74a9ec3776a77a5e54a889d067750bd428b551389821169b7f4c17951bf355b5b39976f7a2c2d3c82ab6083d9a10d2e4f09fe7c66dff301ad3fa17492a288c1f5a02b64feceda36a4f0a9d8300f780a0503687668af28cbbbfa9d01961c239af5cb065b103739e9bfdffdf192bb4a4396cf39c88efc163e6b66f413878be9910842b22f63bd1cd381ec8fa1c7580abcfeccd3c9065136df73863d1c1ff43efaa2937769d4c42fb8cef098665f16ffaf7715da58004bdacbcad6b6259555b67c27cf3b2e719db05c61de06756311deb2a7df1664eca3c81255f662bac714d2211af02270e63e7703466ac8d01175001f4d7aefef2aa592475748aeb3d0dd9a42b5ad755c700"/4096, 0x8, 0x80, 0x5, 0x401, 0x6, 0x1, 0x0, 'syz0\x00'}) r6 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r6, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) ioctl$UI_SET_KEYBIT(r1, 0x40045565, 0x262) [ 1589.683872] block nbd0: Device being setup by another task [ 1589.710812] block nbd0: Device being setup by another task 11:01:55 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(0xffffffffffffffff, &(0x7f0000000340), 0x41395527) vmsplice(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0xa677f21e331b4de7, @perf_config_ext={0x3, 0x2}, 0x48063, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r2, 0xc0045005, &(0x7f0000000000)=0x17f) 11:01:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x437) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1589.773468] block nbd4: Device being setup by another task 11:01:55 executing program 4: prctl$PR_SVE_GET_VL(0x33, 0x1ac9b) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x14202) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) close(r0) [ 1589.900751] block nbd0: Device being setup by another task [ 1589.944731] block nbd0: Device being setup by another task 11:01:55 executing program 3 (fault-call:12 fault-nth:47): prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() socket$inet6(0xa, 0x0, 0x7) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r1, &(0x7f0000000340), 0x41395527) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x2c000103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) 11:01:55 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000004100)={{{@in6=@mcast2, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@private2}, 0x0, @in6=@dev}}, &(0x7f0000004200)=0xe8) r5 = socket$nl_route(0x10, 0x3, 0x0) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$netlink(0x10, 0x3, 0x0) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r7, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r9, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r6, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r9, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtfilter={0x34, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r9, {0xb}, {}, {0x4}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x4}}]}, 0x34}}, 0x0) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f00000047c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x82000000}, 0xc, &(0x7f0000004780)={&(0x7f0000004240)={0x540, 0x0, 0x8, 0x70bd2b, 0x25dfdbff, {}, [{{0x8}, {0xf4, 0x2, 0x0, 0x1, [{0x38, 0x1, @activeport={{0x24, 0x1, 'activeport\x00'}, {0x5}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x5}, {0x8, 0x4, 0x1}}}, {0x40, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x5}, {0x8}}, {0x8}}}]}}, {{0x8}, {0x4}}, {{0x8}, {0x19c, 0x2, 0x0, 0x1, [{0x74, 0x1, @bpf_hash_func={{0x24, 0x1, 'bpf_hash_func\x00'}, {0x5}, {0x44, 0x4, [{0x3f, 0x7, 0x1d, 0x7}, {0x1, 0xb9, 0x8, 0xff}, {0x100, 0x7f, 0x1f, 0x1ff}, {0x4, 0x80, 0x1, 0x7}, {0xbf, 0x1, 0x1, 0x3}, {0x3, 0x8, 0xe8, 0x6}, {0x25ac, 0xfa, 0x81, 0x9}, {0xfffd, 0x72, 0x4, 0x5}]}}}, {0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x5}, {0x8, 0x4, 0x40}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x5}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x80, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x5}, {0x8, 0x4, 0x2}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24, 0x1, 'user_linkup_enabled\x00'}, {0x5}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x84, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x5}, {0x8, 0x4, 0xfff}}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x5}, {0x8, 0x4, 0x2}}, {0x8}}}]}}, {{0x8}, {0x164, 0x2, 0x0, 0x1, [{0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x5}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x5}, {0x8, 0x4, 0x4}}, {0x8, 0x6, r3}}}, {0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x5}, {0x8, 0x4, 0x9}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x5}, {0x8, 0x4, 0x1}}}, {0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x5}, {0x4}}, {0x8, 0x6, r4}}}, {0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x5}, {0x4}}, {0x8, 0x6, r9}}}]}}]}, 0x540}, 0x1, 0x0, 0x0, 0x10}, 0x0) 11:01:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1590.061236] IPVS: ftp: loaded support on port[0] = 21 [ 1590.096007] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 11:01:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000080)) dup(r1) sendfile(r1, 0xffffffffffffffff, 0x0, 0x1c01) statx(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x2000, 0x10, &(0x7f0000000280)) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x437) r3 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x841, 0x0) ioctl$SNDCTL_DSP_SPEED(r4, 0xc0045002, &(0x7f0000000080)) dup(r4) sendfile(r4, r3, 0x0, 0x1c01) r5 = openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r5, &(0x7f0000000200)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000240)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r5, &(0x7f0000000100)={0x3, 0x40, 0xfa00, {{}, {0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc]}}, r6}}, 0x48) write$RDMA_USER_CM_CMD_REJECT(r3, &(0x7f00000000c0)={0x9, 0x108, 0xfa00, {r6, 0x9, "5e8bfd", "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"}}, 0x110) close(r0) [ 1590.142303] block nbd0: Device being setup by another task [ 1590.160487] block nbd0: Device being setup by another task 11:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1590.230929] block nbd4: Device being setup by another task [ 1590.258560] FAULT_INJECTION: forcing a failure. [ 1590.258560] name failslab, interval 1, probability 0, space 0, times 0 [ 1590.270272] CPU: 0 PID: 20995 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1590.278165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1590.287523] Call Trace: [ 1590.290126] dump_stack+0x13e/0x194 [ 1590.293761] should_fail.cold+0x10a/0x14b [ 1590.297906] should_failslab+0xd6/0x130 [ 1590.301873] __kmalloc+0x2e9/0x7c0 [ 1590.305404] ? register_shrinker+0xb8/0x210 [ 1590.309719] ? lock_downgrade+0x6e0/0x6e0 [ 1590.313863] register_shrinker+0xb8/0x210 [ 1590.318020] sget_userns+0x9c5/0xc30 [ 1590.321728] ? get_empty_filp.cold+0x37/0x37 [ 1590.326131] ? set_anon_super+0x20/0x20 [ 1590.330098] ? proc_get_inode+0x620/0x620 [ 1590.334236] mount_ns+0x65/0x180 [ 1590.337600] mount_fs+0x92/0x2a0 [ 1590.340965] vfs_kern_mount.part.0+0x5b/0x3c0 [ 1590.345453] ? kmem_cache_alloc+0x604/0x770 [ 1590.349796] kern_mount_data+0x51/0xb0 [ 1590.353702] pid_ns_prepare_proc+0x1a/0x80 [ 1590.357949] alloc_pid+0x9be/0xc40 [ 1590.361493] copy_process.part.0+0x272f/0x6a50 [ 1590.366076] ? get_pid_task+0xb8/0x130 [ 1590.369959] ? save_trace+0x290/0x290 [ 1590.373750] ? __lock_is_held+0xad/0x140 [ 1590.377828] ? __cleanup_sighand+0x40/0x40 [ 1590.382066] ? lock_downgrade+0x6e0/0x6e0 [ 1590.386215] _do_fork+0x180/0xc80 [ 1590.389690] ? fork_idle+0x270/0x270 [ 1590.393405] ? fput+0xb/0x140 [ 1590.396503] ? SyS_write+0x14d/0x210 [ 1590.400217] ? SyS_read+0x210/0x210 [ 1590.403850] ? SyS_clock_settime+0x1a0/0x1a0 [ 1590.408252] ? do_syscall_64+0x4c/0x640 [ 1590.412226] ? sys_vfork+0x20/0x20 [ 1590.415764] do_syscall_64+0x1d5/0x640 [ 1590.419671] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1590.424874] RIP: 0033:0x45c829 [ 1590.428070] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1590.435793] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1590.443066] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1590.450328] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1590.457588] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1590.464849] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 11:01:56 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) socket$inet6(0xa, 0x3, 0x7) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000180)='net\x00') openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000001c40)=[{{0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000b00)=""/126, 0x7e}, {0x0}], 0x3}, 0x3}], 0x1, 0x0, 0x0) getpeername$inet6(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r1, 0x407, 0x0) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, 0x0, 0x4080) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x4, 0x0, 0x0, 0xfe, 0x0, 0x0, 0x0, 0x9, 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, 0x80000000, 0x5, @perf_config_ext={0x3, 0x2}, 0xf7cdadc2bb431530, 0x0, 0x5, 0x0, 0x6, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sched_yield() socket$key(0xf, 0x3, 0x2) add_key(0x0, 0x0, 0x0, 0x0, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x28600, 0x0) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000200)={0x0, 0x8001}, 0x8) socketpair(0x15, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r2, 0xc0045005, &(0x7f0000000000)=0x17f) [ 1590.477520] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1590.478174] block nbd0: Device being setup by another task [ 1590.519999] ================================================================== [ 1590.527720] BUG: KASAN: use-after-free in put_pid_ns+0x75/0x80 [ 1590.533701] Read of size 8 at addr ffff88809f8a74d0 by task syz-executor.3/20995 [ 1590.541228] [ 1590.542885] CPU: 0 PID: 20995 Comm: syz-executor.3 Not tainted 4.14.179-syzkaller #0 [ 1590.550765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1590.560128] Call Trace: [ 1590.562733] dump_stack+0x13e/0x194 [ 1590.566379] ? put_pid_ns+0x75/0x80 [ 1590.566741] block nbd0: Device being setup by another task [ 1590.570015] print_address_description.cold+0x7c/0x1e2 [ 1590.570032] ? put_pid_ns+0x75/0x80 [ 1590.570041] kasan_report.cold+0xa9/0x2ae [ 1590.570054] put_pid_ns+0x75/0x80 [ 1590.570066] free_nsproxy+0xf7/0x1f0 [ 1590.570077] switch_task_namespaces+0x8f/0xb0 [ 1590.570091] copy_process.part.0+0x3c5c/0x6a50 [ 1590.570105] ? get_pid_task+0xb8/0x130 [ 1590.570117] ? save_trace+0x290/0x290 [ 1590.570131] ? __lock_is_held+0xad/0x140 [ 1590.616733] ? __cleanup_sighand+0x40/0x40 [ 1590.620969] ? lock_downgrade+0x6e0/0x6e0 [ 1590.625117] _do_fork+0x180/0xc80 [ 1590.628578] ? fork_idle+0x270/0x270 [ 1590.632292] ? fput+0xb/0x140 [ 1590.635390] ? SyS_write+0x14d/0x210 [ 1590.639096] ? SyS_read+0x210/0x210 [ 1590.642734] ? SyS_clock_settime+0x1a0/0x1a0 [ 1590.647151] ? do_syscall_64+0x4c/0x640 [ 1590.651120] ? sys_vfork+0x20/0x20 [ 1590.654678] do_syscall_64+0x1d5/0x640 [ 1590.658568] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1590.663768] RIP: 0033:0x45c829 [ 1590.666959] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1590.674669] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1590.681940] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1590.689203] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1590.696462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1590.703732] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 [ 1590.711004] [ 1590.712622] Allocated by task 20995: [ 1590.716340] save_stack+0x32/0xa0 [ 1590.719803] kasan_kmalloc+0xbf/0xe0 [ 1590.723511] kmem_cache_alloc+0x127/0x770 [ 1590.727649] copy_pid_ns+0x1b2/0xa70 [ 1590.731354] create_new_namespaces+0x25f/0x730 [ 1590.735924] copy_namespaces+0x27b/0x310 [ 1590.739975] copy_process.part.0+0x2603/0x6a50 [ 1590.744555] _do_fork+0x180/0xc80 [ 1590.747996] do_syscall_64+0x1d5/0x640 [ 1590.751875] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1590.757051] [ 1590.758665] Freed by task 3636: [ 1590.761938] save_stack+0x32/0xa0 [ 1590.765395] kasan_slab_free+0x75/0xc0 [ 1590.769272] kmem_cache_free+0x7c/0x2b0 [ 1590.773235] rcu_process_callbacks+0x792/0x1190 [ 1590.777894] __do_softirq+0x254/0x9bf [ 1590.781678] [ 1590.783311] The buggy address belongs to the object at ffff88809f8a6c98 [ 1590.783311] which belongs to the cache pid_namespace of size 2264 [ 1590.796224] The buggy address is located 2104 bytes inside of [ 1590.796224] 2264-byte region [ffff88809f8a6c98, ffff88809f8a7570) [ 1590.808289] The buggy address belongs to the page: [ 1590.813312] page:ffffea00027e2980 count:1 mapcount:0 mapping:ffff88809f8a6340 index:0x0 compound_mapcount: 0 [ 1590.823278] flags: 0xfffe0000008100(slab|head) [ 1590.827886] raw: 00fffe0000008100 ffff88809f8a6340 0000000000000000 0000000100000003 [ 1590.835757] raw: ffffea00028fa2a0 ffff8880a612cd48 ffff8880a612fe40 0000000000000000 [ 1590.843631] page dumped because: kasan: bad access detected [ 1590.849340] [ 1590.850958] Memory state around the buggy address: [ 1590.855885] ffff88809f8a7380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1590.863247] ffff88809f8a7400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1590.870613] >ffff88809f8a7480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1590.877972] ^ [ 1590.883963] ffff88809f8a7500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc [ 1590.891318] ffff88809f8a7580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fb fb [ 1590.898670] ================================================================== [ 1590.906017] Disabling lock debugging due to kernel taint [ 1590.912810] Kernel panic - not syncing: panic_on_warn set ... [ 1590.912810] [ 1590.920193] CPU: 0 PID: 20995 Comm: syz-executor.3 Tainted: G B 4.14.179-syzkaller #0 11:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1590.929294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1590.938656] Call Trace: [ 1590.941254] dump_stack+0x13e/0x194 [ 1590.944892] panic+0x1f9/0x42d [ 1590.948090] ? add_taint.cold+0x16/0x16 [ 1590.952073] ? put_pid_ns+0x75/0x80 [ 1590.955706] kasan_end_report+0x43/0x49 [ 1590.959686] kasan_report.cold+0x12f/0x2ae [ 1590.963955] put_pid_ns+0x75/0x80 [ 1590.967412] free_nsproxy+0xf7/0x1f0 [ 1590.971127] switch_task_namespaces+0x8f/0xb0 [ 1590.975654] copy_process.part.0+0x3c5c/0x6a50 [ 1590.980247] ? get_pid_task+0xb8/0x130 [ 1590.984139] ? save_trace+0x290/0x290 [ 1590.988053] ? __lock_is_held+0xad/0x140 [ 1590.992128] ? __cleanup_sighand+0x40/0x40 [ 1590.996366] ? lock_downgrade+0x6e0/0x6e0 [ 1591.000544] _do_fork+0x180/0xc80 [ 1591.004007] ? fork_idle+0x270/0x270 [ 1591.006822] block nbd0: Device being setup by another task [ 1591.007728] ? fput+0xb/0x140 [ 1591.007737] ? SyS_write+0x14d/0x210 [ 1591.007749] ? SyS_read+0x210/0x210 [ 1591.023839] ? SyS_clock_settime+0x1a0/0x1a0 [ 1591.028254] ? do_syscall_64+0x4c/0x640 11:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1591.032235] ? sys_vfork+0x20/0x20 [ 1591.035779] do_syscall_64+0x1d5/0x640 [ 1591.039688] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1591.044876] RIP: 0033:0x45c829 [ 1591.048065] RSP: 002b:00007f0c687e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1591.055778] RAX: ffffffffffffffda RBX: 00000000004da960 RCX: 000000000045c829 [ 1591.063058] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 000000002c000103 [ 1591.070331] RBP: 000000000078c040 R08: ffffffffffffffff R09: 0000000000000000 [ 1591.077606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1591.079050] block nbd0: Device being setup by another task [ 1591.084878] R13: 0000000000000076 R14: 00000000004c311e R15: 00007f0c687e46d4 [ 1591.086091] Kernel Offset: disabled [ 1591.102583] Rebooting in 86400 seconds..