Extracting prog: 28m6.980324261s Minimizing prog: 1h54m11.018019809s Simplifying prog options: 0s Extracting C: 4m12.840389448s Simplifying C: 27m28.8410503s extracting reproducer from 35 programs testing a last program of every proc single: executing 10 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket-openat$ppp-ioctl$sock_SIOCGIFINDEX-bind$packet-openat$tun-setsockopt$ARPT_SO_SET_REPLACE-syz_init_net_socket$nl_generic-sendmsg$NFC_CMD_GET_TARGET-syz_genetlink_get_family_id$nfc-syz_genetlink_get_family_id$nl802154-sendmsg$NL802154_CMD_NEW_INTERFACE-ioctl$TUNSETIFF-openat$tun-ioctl$TUNSETOWNER-ioctl$TUNSETIFF-sendmsg$nl_generic-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$PROG_LOAD-socket$nl_sock_diag detailed listing: executing program 0: bpf$PROG_LOAD(0x5, &(0x7f00000001c0)={0x20, 0x10, &(0x7f0000000580)=ANY=[@ANYBLOB="18050000000000000000000000000000b7080000000000007b8af80200000000b70800000000000007010000f8ffffffbfa400000000000007040000f0ffffffb702000008000000182300"/92, @ANYRES32, @ANYBLOB="0000000000000000b704000008000000850000009500000095"], 0x0, 0xfffffffd, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) r0 = socket(0x11, 0x3, 0x0) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000680), 0x101402, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000005c0)={'hsr0\x00', 0x0}) bind$packet(r0, &(0x7f00000001c0)={0x11, 0x17, r2, 0x1, 0x0, 0x6, @local}, 0x14) r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) setsockopt$ARPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x60, &(0x7f0000000480)={'filter\x00', 0x104, 0x4, 0x3c0, 0x0, 0xe8, 0x1f0, 0x2d8, 0x2d8, 0x2d8, 0x4, 0x0, {[{{@arp={@remote, @broadcast, 0x0, 0x0, 0x0, 0x0, {@mac=@local}, {}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 'dvmrp0\x00', 'macvlan0\x00'}, 0xc0, 0xe8}, @unspec=@NFQUEUE1={0x28}}, {{@arp={@loopback, @multicast2, 0x0, 0x0, 0x0, 0x0, {@mac=@local}, {}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 'pim6reg0\x00', 'veth0\x00'}, 0xc0, 0x108}, @unspec=@LED={0x48, 'LED\x00', 0x0, {'syz1\x00'}}}, {{@uncond, 0xc0, 0xe8}, @unspec=@STANDARD={0x28, '\x00', 0x0, 0xe8}}], {{'\x00', 0xc0, 0xe8}, {0x28}}}}, 0x410) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r4, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x4}, 0x14}}, 0x0) r5 = syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r4) r6 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000300), r4) sendmsg$NL802154_CMD_NEW_INTERFACE(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000008c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="0100000000000000eeff130000000a0013007778616e3300000008001500", @ANYRESHEX=r5, @ANYBLOB="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"], 0x30}}, 0x20004040) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000000200)={'rose0\x00', 0x112}) r7 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TUNSETOWNER(r3, 0x400454cc, 0x0) ioctl$TUNSETIFF(r7, 0x400454ca, &(0x7f0000000180)={'rose0\x00', 0x112}) sendmsg$nl_generic(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYRESDEC=r1], 0x18}}, 0x400c010) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000440)={0x0, 0x8, &(0x7f00000005c0)=ANY=[@ANYBLOB="180800000000000000000000000000008510000003000000180000000000000000000000000000009500000000"], 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x11, 0x10, &(0x7f0000000580)=ANY=[], &(0x7f0000000600)='GPL\x00', 0x3, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) socket$nl_sock_diag(0x10, 0x3, 0x4) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_genetlink_get_family_id$tipc2-socket$nl_generic-syz_genetlink_get_family_id$tipc2-sendmsg$TIPC_NL_KEY_SET-syz_genetlink_get_family_id$ipvs-sendmsg$IPVS_CMD_GET_SERVICE-accept$packet-sendto$packet-ioctl$XFS_IOC_PATH_TO_FSHANDLE-setsockopt$inet_mreq-ioctl$XFS_IOC_FSCOUNTS-ioctl$XFS_IOC_FD_TO_HANDLE-sendmsg$NFT_BATCH-setsockopt$SO_TIMESTAMP-socket$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-ioctl$ifreq_SIOCGIFINDEX_wireguard-bpf$MAP_CREATE-close-syz_init_net_socket$bt_hci-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_GET_WIPHY-ioctl$F2FS_IOC_MOVE_RANGE-setsockopt$SO_J1939_ERRQUEUE-getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS-getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT-sendmsg$NL80211_CMD_CONNECT-sendmsg$BATADV_CMD_GET_ORIGINATORS-sendmsg$NL80211_CMD_CONTROL_PORT_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$tipc2(&(0x7f0000000000), r0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000080), r0) sendmsg$TIPC_NL_KEY_SET(r1, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000280)={&(0x7f00000000c0)={0x18c, r2, 0x800, 0x70bd2b, 0x25dfdbff, {}, [@TIPC_NLA_PUBL={0xc, 0x3, 0x0, 0x1, [@TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x2}]}, @TIPC_NLA_MEDIA={0x74, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_PROP={0x3c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x3}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x20}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x13}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x14}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x2}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x7fffffff}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1f}]}, @TIPC_NLA_MEDIA_PROP={0x2c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x5}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x100}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1d}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x7}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x80000001}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}]}, @TIPC_NLA_LINK={0x30, 0x4, 0x0, 0x1, [@TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz1\x00'}, @TIPC_NLA_LINK_PROP={0x14, 0x7, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x19}]}]}, @TIPC_NLA_BEARER={0x30, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_UDP_OPTS={0x2c, 0x4, {{0x14, 0x1, @in={0x2, 0x4e23, @remote}}, {0x14, 0x2, @in={0x2, 0x4e22, @remote}}}}]}, @TIPC_NLA_MEDIA={0x14, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}]}, @TIPC_NLA_MON={0x24, 0x9, 0x0, 0x1, [@TIPC_NLA_MON_REF={0x8, 0x2, 0x3}, @TIPC_NLA_MON_REF={0x8, 0x2, 0xfff}, @TIPC_NLA_MON_REF={0x8, 0x2, 0x3}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x3}]}, @TIPC_NLA_BEARER={0x44, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_UDP_OPTS={0x38, 0x4, {{0x14, 0x1, @in={0x2, 0x4e21, @private=0xa010100}}, {0x20, 0x2, @in6={0xa, 0x4e20, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}, 0x8}}}}, @TIPC_NLA_BEARER_DOMAIN={0x8, 0x3, 0x1}]}, @TIPC_NLA_BEARER={0x1c, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_DOMAIN={0x8, 0x3, 0x401}, @TIPC_NLA_BEARER_NAME={0x10, 0x1, @l2={'ib', 0x3a, 'ip6_vti0\x00'}}]}]}, 0x18c}, 0x1, 0x0, 0x0, 0x8015}, 0x50) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$IPVS_CMD_GET_SERVICE(r0, &(0x7f0000000440)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x80, r3, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DAEMON={0x28, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x401}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @rand_addr=' \x01\x00'}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x4a}]}, @IPVS_CMD_ATTR_DEST={0x14, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x8}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xfffffffd}]}, @IPVS_CMD_ATTR_SERVICE={0x1c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0xe}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x32}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}]}, @IPVS_CMD_ATTR_DEST={0x14, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_TYPE={0x5, 0xd, 0x1}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0xa}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x80}, 0x0) r4 = accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000480)) sendto$packet(r4, &(0x7f00000004c0)="9da2bc8c7de9d1364ecb0c16f40a0470bc5e2e60487050fd522a24714aede62f91d96bf580f4d848569fddbfd213a97dc16472944633a70f7c434799223e30ddd0303124441b03ebf72f031aebb2e86947ade29be38d12eca6a8a7636c25d917c1797deac1a0d7cf6519ac27", 0x6c, 0x80, 0x0, 0x0) ioctl$XFS_IOC_PATH_TO_FSHANDLE(r4, 0xc0385868, &(0x7f0000000640)={r4, &(0x7f0000000540)='TIPCv2\x00', 0x2, &(0x7f0000000580)={@align=0x2, {0x2, 0x5, 0xa, 0x5}}, 0x9, &(0x7f00000005c0), &(0x7f0000000600)}) setsockopt$inet_mreq(r5, 0x0, 0x24, &(0x7f0000000680)={@broadcast, @dev={0xac, 0x14, 0x14, 0x3d}}, 0x8) ioctl$XFS_IOC_FSCOUNTS(r1, 0x80205871, &(0x7f00000006c0)) ioctl$XFS_IOC_FD_TO_HANDLE(r1, 0xc038586a, &(0x7f0000000800)={r5, &(0x7f0000000700)='eth\x00', 0x4000, &(0x7f0000000740)={@_ha_fsid={[0x1000, 0x8]}, {0x6199, 0x3, 0x1, 0x8e6}}, 0x40000, &(0x7f0000000780)={@_ha_fsid}, &(0x7f00000007c0)=0x5}) sendmsg$NFT_BATCH(r6, &(0x7f0000000940)={&(0x7f0000000840)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000900)={&(0x7f0000000880)={{0x14, 0x10, 0x1, 0x0, 0x0, {0xda5f0b021e12213c}}, [@NFT_MSG_DELOBJ={0x20, 0x14, 0xa, 0x101, 0x0, 0x0, {0x3, 0x0, 0x8}, [@NFTA_OBJ_HANDLE={0xc, 0x6, 0x1, 0x0, 0x5}]}], {0x14, 0x11, 0x1, 0x0, 0x0, {0x5}}}, 0x48}, 0x1, 0x0, 0x0, 0x4080}, 0x4000000) setsockopt$SO_TIMESTAMP(r5, 0x1, 0x3f, &(0x7f0000000980)=0x81, 0x4) r7 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_CT_NEW(r7, &(0x7f0000000a80)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000a40)={&(0x7f0000000a00)={0x1c, 0x0, 0x1, 0x401, 0x0, 0x0, {0x1, 0x0, 0x4}, [@CTA_ID={0x8, 0xc, 0x1, 0x0, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20008080}, 0x4000800) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000ac0)={'wg2\x00', 0x0}) r9 = bpf$MAP_CREATE(0x0, &(0x7f0000000b00)=@base={0x19, 0xffffffff, 0x31a, 0x1, 0x528, r6, 0x6, '\x00', r8, r5, 0x3, 0x2, 0x2}, 0x50) close(r9) r10 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r11 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000bc0), r0) sendmsg$NL80211_CMD_GET_WIPHY(r0, &(0x7f0000000c80)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000c40)={&(0x7f0000000c00)={0x1c, r11, 0x100, 0x70bd27, 0x25dfdbff, {{}, {@val={0x8, 0x1, 0x26}, @void, @void}}, ["", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x20}, 0x8001) ioctl$F2FS_IOC_MOVE_RANGE(r5, 0xc020f509, &(0x7f0000000cc0)={r6, 0x80000000, 0x7fff, 0x3}) setsockopt$SO_J1939_ERRQUEUE(r5, 0x6b, 0x4, &(0x7f0000000d00)=0x1, 0x4) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r5, 0x84, 0x70, &(0x7f0000000d40)={0x0, @in={{0x2, 0x4e21, @loopback}}, [0xd3, 0xfff, 0x8, 0x8, 0x100, 0x1, 0x100000001, 0xffffffff, 0x6, 0xfd6e, 0xfffffffffffffffb, 0x2, 0x5, 0x3, 0x7]}, &(0x7f0000000e40)=0x100) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r6, 0x84, 0x13, &(0x7f0000000e80)={r13, 0x81}, &(0x7f0000000ec0)=0x8) sendmsg$NL80211_CMD_CONNECT(r1, &(0x7f0000001080)={&(0x7f0000000f00)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000001040)={&(0x7f0000000f40)={0xe0, r11, 0x100, 0x70bd2a, 0x25dfdbfe, {{}, {@void, @val={0xc, 0x99, {0x0, 0x1e}}}}, [@NL80211_ATTR_MAC_HINT={0xa, 0xc8, @from_mac=@broadcast}, @NL80211_ATTR_BSS_SELECT={0x20, 0xe3, 0x0, 0x1, {0x1c, 0x0, [@NL80211_BSS_SELECT_ATTR_RSSI_ADJUST={0x6, 0x3, {0x1, 0x3}}, @NL80211_BSS_SELECT_ATTR_RSSI={0x4}, @NL80211_BSS_SELECT_ATTR_RSSI={0x4}, @NL80211_BSS_SELECT_ATTR_RSSI_ADJUST={0x6, 0x3, {0x3, 0x4}}]}}, @NL80211_ATTR_IE={0x75, 0x2a, [@tim={0x5, 0x43, {0xc, 0x66, 0x4, "d198fe83136441ee16913df184c62865727bd942561816bdbedc4bb4ad31a39337a619d12670b422283968cac4337aa54b97dd8ac18238e83f2346b09001f882"}}, @prep={0x83, 0x25, {{0x0, 0x1}, 0x81, 0x8, @device_a, 0x401, @value=@broadcast, 0x8001, 0xfffffffb, @broadcast}}, @channel_switch={0x25, 0x3, {0x0, 0x88, 0x1}}]}, @NL80211_ATTR_SSID={0xa, 0x34, @default_ap_ssid}, @NL80211_ATTR_PREV_BSSID={0xa, 0x4f, @from_mac=@broadcast}, @NL80211_ATTR_WANT_1X_4WAY_HS={0x4}]}, 0xe0}, 0x1, 0x0, 0x0, 0x4000040}, 0x4000010) sendmsg$BATADV_CMD_GET_ORIGINATORS(r10, &(0x7f00000011c0)={&(0x7f00000010c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000001180)={&(0x7f0000001100)={0x58, 0x0, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}, @BATADV_ATTR_BONDING_ENABLED={0x5}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x6}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008800}, 0x800) sendmsg$NL80211_CMD_CONTROL_PORT_FRAME(r12, &(0x7f0000001440)={&(0x7f0000001200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000001400)={&(0x7f0000001280)={0x13c, r11, 0x800, 0x70bd28, 0x25dfdbfb, {{}, {@val={0x8}, @val={0xc, 0x99, {0x9ee9, 0x66}}}}, [@NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT={0x4}, @NL80211_ATTR_FRAME={0x1f, 0x33, @mgmt_frame=@action_no_ack={{{0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1}, {0x7ffb}, @broadcast, @device_b, @from_mac, {0xa, 0x709}}, @vht_op_mode_ntf={0x15, 0x2, {0x0, 0x0, 0x0, 0x2, 0x1}}}}, @NL80211_ATTR_MAC={0xa, 0x6, @device_b}, @NL80211_ATTR_CONTROL_PORT_ETHERTYPE={0x6, 0x66, 0x88ca}, @NL80211_ATTR_FRAME={0xc0, 0x33, @data_frame={@msdu=@type01={{0x0, 0x2, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1}, {0x7}, @device_a, @from_mac=@device_b, @device_a, {0x1, 0x97}, "", @void, @value=@ver_80211n={0x0, 0x7, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1}}, @a_msdu=[{@device_a, @broadcast, 0x91, "72f7f5dc4864f1c656558ce0b6f6cd90f1c37085ed4ef2dfe4f39cfbb806aafad2658a4ec3a20132805082736c8d8012be61cab3a8de66903c1f32ee08a04e5000a5a8f944795e36b62894812aa560241ac5e5e485f8c48ba57cfc6c5ee18fc37b9d1d9ad016514eb959b224cc0a87bd39559f0a8ce99ffda0eca6d42d4c6626785eb82ed0a7cdaaed193f0f5d733d9af1"}]}}, @NL80211_ATTR_CONTROL_PORT_ETHERTYPE={0x6, 0x66, 0x809b}, @NL80211_ATTR_MAC={0xa, 0x6, @broadcast}, @NL80211_ATTR_CONTROL_PORT_ETHERTYPE={0x6, 0x66, 0x9}]}, 0x13c}, 0x1, 0x0, 0x0, 0x800}, 0x4000) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH-socket$pppl2tp-socket$inet6_udp-socket$nl_netfilter-recvmsg-sendmsg$IPSET_CMD_LIST-connect$pppl2tp-syz_genetlink_get_family_id$l2tp-socket$nl_generic-sendmsg$L2TP_CMD_SESSION_DELETE-socket$pppl2tp-connect$pppl2tp-ioctl$PPPIOCSFLAGS-sendmsg$NFT_BATCH-socket$rds-setsockopt$ARPT_SO_SET_REPLACE-syz_init_net_socket$nl_generic-sendmsg$NFC_CMD_GET_TARGET-syz_genetlink_get_family_id$nfc-syz_genetlink_get_family_id$nl802154-sendmsg$NL802154_CMD_NEW_INTERFACE-getsockopt-socket$nl_netfilter-sendmsg$NFT_MSG_GETSET-sendmsg$nl_route_sched-sendmsg$nl_route-bpf$BPF_PROG_ATTACH-getsockopt$inet6_IPV6_FLOWLABEL_MGR detailed listing: executing program 0: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) (async) sendmsg$NFT_BATCH(r0, &(0x7f0000009b40)={0x0, 0x0, &(0x7f0000009b00)={&(0x7f00000003c0)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a3c000000090a010400000000000000000a0000040900010073797a3100000000080005400000000209000200737997310000000008000a40fffffffc14000000110001"], 0x64}, 0x1, 0x0, 0x0, 0x4000850}, 0x24000000) (async) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet6_udp(0xa, 0x2, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) recvmsg(r3, &(0x7f0000001700)={0x0, 0x0, 0x0}, 0x0) (async) sendmsg$IPSET_CMD_LIST(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, 0x7, 0x6, 0x801, 0x0, 0x0, {0xa, 0x0, 0x4}, [@IPSET_ATTR_PROTOCOL={0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000005}, 0x80) (async) connect$pppl2tp(r1, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) (async) r4 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$L2TP_CMD_SESSION_DELETE(r5, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010026bd70000400000005000000080009000200000008000c000300000008000b00000000000600010007"], 0x40}}, 0x20) (async) r6 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r6, &(0x7f0000000040)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @local}, 0x2}}, 0x26) (async) ioctl$PPPIOCSFLAGS(r6, 0x40047459, 0x0) sendmsg$NFT_BATCH(r0, &(0x7f0000009b40)={0x0, 0x0, &(0x7f0000009b00)={&(0x7f00000002c0)={{0x14, 0x10, 0x1, 0x0, 0x0, {0x1}}, [@NFT_MSG_NEWSET={0x3c, 0x9, 0xa, 0x401, 0x0, 0x0, {0xa, 0x0, 0x4}, [@NFTA_SET_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_SET_ID={0x8, 0xa, 0x1, 0x0, 0xfffffffc}, @NFTA_SET_TABLE={0x9, 0x1, 'syz1\x00'}, @NFTA_SET_KEY_LEN={0x8, 0x5, 0x1, 0x0, 0xb}]}], {0x14, 0x11, 0x1, 0x0, 0x0, {0x1}}}, 0x64}, 0x1, 0x0, 0x0, 0x4000850}, 0x4000000) (async) r7 = socket$rds(0x15, 0x5, 0x0) (async) setsockopt$ARPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x60, &(0x7f0000000480)={'filter\x00', 0x104, 0x4, 0x3c0, 0x0, 0xe8, 0x1f0, 0x2d8, 0x2d8, 0x2d8, 0x4, 0x0, {[{{@arp={@remote, @broadcast, 0x0, 0x0, 0x0, 0x0, {@mac=@local}, {}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 'dvmrp0\x00', 'macvlan0\x00'}, 0xc0, 0xe8}, @unspec=@NFQUEUE1={0x28}}, {{@arp={@loopback, @multicast2, 0x0, 0x0, 0x0, 0x0, {@mac=@local}, {}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 'pim6reg0\x00', 'veth0\x00'}, 0xc0, 0x108}, @unspec=@LED={0x48, 'LED\x00', 0x0, {'syz1\x00'}}}, {{@uncond, 0xc0, 0xe8}, @unspec=@STANDARD={0x28, '\x00', 0x0, 0xe8}}], {{'\x00', 0xc0, 0xe8}, {0x28}}}}, 0x410) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r8, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x4}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r8) (async) r9 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000300), r8) sendmsg$NL802154_CMD_NEW_INTERFACE(r8, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000580)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r9, @ANYBLOB="0100000000000000eeff130000000a0013007778616e3300000008001500", @ANYRES32=0x0, @ANYBLOB="080001"], 0x30}}, 0x0) (async) getsockopt(r7, 0x1, 0x45, 0x0, &(0x7f0000000300)) r10 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETSET(r10, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000c80)={0x2c, 0xa, 0xa, 0x101, 0x0, 0x0, {0xa, 0x0, 0x9}, [@NFTA_SET_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_SET_NAME={0x9, 0x2, 'syz1\x00'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24048014}, 0x4000) (async) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x8000) (async) bpf$BPF_PROG_ATTACH(0x8, &(0x7f00000008c0)=ANY=[@ANYRES32, @ANYRES32, @ANYBLOB="1f00000004000000", @ANYRES32, @ANYBLOB="56c8cc40a8e6c3f50dd29105496b625adc00de5388bbee815ea868d1e403f5f50a7a34c378b9f67001031dfe37a13cad12c0c487f391154eca61e2febcb2adb5f28c5de251a6edb94882ae6be4631b919b99dd4cb59a32a453c0f417ec7a1ac77b62caa6528d929333b1d0502ae3dac777f9d6537dd3aca6d1f842b7c7f8a0a0cd95f59acc48cea2ed0106ad5fa3ab420d0be8411a87dbf4843920d55d4eb7a9a3aea2fcf6474cd65902a6b4a8356fa481186566031375506a7356816647fc1e057ec88d07697b8f405d71b7ad7695f70f4c88ea76a96c220925831fc2160e00"/233, @ANYRES32, @ANYBLOB, @ANYRES64=0x0], 0x20) (async) getsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000100)={@dev, 0x0, 0x2, 0x0, 0xa}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl802154-syz_init_net_socket$nl_generic-sendmsg$NL802154_CMD_GET_WPAN_PHY-pipe-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_GET_WPAN_PHY(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000440)={0x28, r0, 0xb15, 0x70bd2a, 0x25dfdbfd, {}, [@NL802154_ATTR_WPAN_PHY={0x8, 0x1, 0x1}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}]}, 0x28}}, 0x4) pipe(&(0x7f0000000040)) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000080)=@framed={{0x18, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x2000003}}, &(0x7f0000000000)='syzkaller\x00', 0x3, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x400}, 0x94) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-setsockopt$IPT_SO_SET_REPLACE-socket-sendmsg$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$IPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x40, &(0x7f0000000480)=@filter={'filter\x00', 0x42, 0x4, 0x2d0, 0xffffffff, 0x2e0, 0x0, 0x2e0, 0xffffffff, 0xffffffff, 0x3b0, 0x3b0, 0x3b0, 0xffffffff, 0x4, 0x0, {[{{@ip={@initdev={0xac, 0x1e, 0x0, 0x0}, @loopback, 0x0, 0x0, 'veth0_to_batadv\x00', 'vlan0\x00', {0xff}, {0xff}, 0x84, 0x0, 0x2}, 0x0, 0x70, 0x98, 0x0, {0x100000000000000}}, @REJECT={0x28}}, {{@ip={@loopback, @rand_addr=0x64010101, 0xffffff00, 0xff000000, 'geneve0\x00', 'macvlan0\x00', {0xff}, {}, 0x2, 0x0, 0x4}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x0, @multicast, 0x3, 0x3, [0x2, 0x2c, 0x4, 0x2, 0x12, 0x22, 0x16, 0x10, 0x35, 0x1a, 0x0, 0x3e, 0x9, 0x0, 0x24, 0x39], 0x1, 0x6, 0x6}}}, {{@ip={@private=0xa010101, @loopback, 0xff, 0xffffff00, 'bond0\x00', 'dvmrp0\x00', {}, {}, 0x2f, 0x2, 0x21}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x1, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, 0xd, 0x8, [0xa, 0x26, 0x2a, 0xa, 0x13, 0xe, 0x2d, 0x21, 0x2d, 0x32, 0x40, 0x20, 0x28, 0x18, 0x22, 0x1e], 0x1, 0x0, 0x6}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x330) r1 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000580)=ANY=[@ANYBLOB="900000001900010000000000000000001d0109002900838025b57efaa223b473fe7783bc4a506cf756740574b89d316af9b5963870ef3391f3ac176f880000004d000f"], 0x90}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r3, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r3, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program crashed: INFO: task hung in genl_rcv_msg single: successfully extracted reproducer found reproducer with 9 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-setsockopt$IPT_SO_SET_REPLACE-socket-sendmsg$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$IPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x40, &(0x7f0000000480)=@filter={'filter\x00', 0x42, 0x4, 0x2d0, 0xffffffff, 0x2e0, 0x0, 0x2e0, 0xffffffff, 0xffffffff, 0x3b0, 0x3b0, 0x3b0, 0xffffffff, 0x4, 0x0, {[{{@ip={@initdev={0xac, 0x1e, 0x0, 0x0}, @loopback, 0x0, 0x0, 'veth0_to_batadv\x00', 'vlan0\x00', {0xff}, {0xff}, 0x84, 0x0, 0x2}, 0x0, 0x70, 0x98, 0x0, {0x100000000000000}}, @REJECT={0x28}}, {{@ip={@loopback, @rand_addr=0x64010101, 0xffffff00, 0xff000000, 'geneve0\x00', 'macvlan0\x00', {0xff}, {}, 0x2, 0x0, 0x4}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x0, @multicast, 0x3, 0x3, [0x2, 0x2c, 0x4, 0x2, 0x12, 0x22, 0x16, 0x10, 0x35, 0x1a, 0x0, 0x3e, 0x9, 0x0, 0x24, 0x39], 0x1, 0x6, 0x6}}}, {{@ip={@private=0xa010101, @loopback, 0xff, 0xffffff00, 'bond0\x00', 'dvmrp0\x00', {}, {}, 0x2f, 0x2, 0x21}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x1, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, 0xd, 0x8, [0xa, 0x26, 0x2a, 0xa, 0x13, 0xe, 0x2d, 0x21, 0x2d, 0x32, 0x40, 0x20, 0x28, 0x18, 0x22, 0x1e], 0x1, 0x0, 0x6}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x330) r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000580)=ANY=[@ANYBLOB="900000001900010000000000000000001d0109002900838025b57efaa223b473fe7783bc4a506cf756740574b89d316af9b5963870ef3391f3ac176f880000004d000f"], 0x90}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-setsockopt$IPT_SO_SET_REPLACE-socket-sendmsg$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$IPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x40, &(0x7f0000000480)=@filter={'filter\x00', 0x42, 0x4, 0x2d0, 0xffffffff, 0x2e0, 0x0, 0x2e0, 0xffffffff, 0xffffffff, 0x3b0, 0x3b0, 0x3b0, 0xffffffff, 0x4, 0x0, {[{{@ip={@initdev={0xac, 0x1e, 0x0, 0x0}, @loopback, 0x0, 0x0, 'veth0_to_batadv\x00', 'vlan0\x00', {0xff}, {0xff}, 0x84, 0x0, 0x2}, 0x0, 0x70, 0x98, 0x0, {0x100000000000000}}, @REJECT={0x28}}, {{@ip={@loopback, @rand_addr=0x64010101, 0xffffff00, 0xff000000, 'geneve0\x00', 'macvlan0\x00', {0xff}, {}, 0x2, 0x0, 0x4}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x0, @multicast, 0x3, 0x3, [0x2, 0x2c, 0x4, 0x2, 0x12, 0x22, 0x16, 0x10, 0x35, 0x1a, 0x0, 0x3e, 0x9, 0x0, 0x24, 0x39], 0x1, 0x6, 0x6}}}, {{@ip={@private=0xa010101, @loopback, 0xff, 0xffffff00, 'bond0\x00', 'dvmrp0\x00', {}, {}, 0x2f, 0x2, 0x21}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x1, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, 0xd, 0x8, [0xa, 0x26, 0x2a, 0xa, 0x13, 0xe, 0x2d, 0x21, 0x2d, 0x32, 0x40, 0x20, 0x28, 0x18, 0x22, 0x1e], 0x1, 0x0, 0x6}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x330) r1 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000580)=ANY=[@ANYBLOB="900000001900010000000000000000001d0109002900838025b57efaa223b473fe7783bc4a506cf756740574b89d316af9b5963870ef3391f3ac176f880000004d000f"], 0x90}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-setsockopt$IPT_SO_SET_REPLACE-socket-sendmsg$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$IPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x40, &(0x7f0000000480)=@filter={'filter\x00', 0x42, 0x4, 0x2d0, 0xffffffff, 0x2e0, 0x0, 0x2e0, 0xffffffff, 0xffffffff, 0x3b0, 0x3b0, 0x3b0, 0xffffffff, 0x4, 0x0, {[{{@ip={@initdev={0xac, 0x1e, 0x0, 0x0}, @loopback, 0x0, 0x0, 'veth0_to_batadv\x00', 'vlan0\x00', {0xff}, {0xff}, 0x84, 0x0, 0x2}, 0x0, 0x70, 0x98, 0x0, {0x100000000000000}}, @REJECT={0x28}}, {{@ip={@loopback, @rand_addr=0x64010101, 0xffffff00, 0xff000000, 'geneve0\x00', 'macvlan0\x00', {0xff}, {}, 0x2, 0x0, 0x4}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x0, @multicast, 0x3, 0x3, [0x2, 0x2c, 0x4, 0x2, 0x12, 0x22, 0x16, 0x10, 0x35, 0x1a, 0x0, 0x3e, 0x9, 0x0, 0x24, 0x39], 0x1, 0x6, 0x6}}}, {{@ip={@private=0xa010101, @loopback, 0xff, 0xffffff00, 'bond0\x00', 'dvmrp0\x00', {}, {}, 0x2f, 0x2, 0x21}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x1, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, 0xd, 0x8, [0xa, 0x26, 0x2a, 0xa, 0x13, 0xe, 0x2d, 0x21, 0x2d, 0x32, 0x40, 0x20, 0x28, 0x18, 0x22, 0x1e], 0x1, 0x0, 0x6}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x330) r1 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000580)=ANY=[@ANYBLOB="900000001900010000000000000000001d0109002900838025b57efaa223b473fe7783bc4a506cf756740574b89d316af9b5963870ef3391f3ac176f880000004d000f"], 0x90}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r3, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r3, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-setsockopt$IPT_SO_SET_REPLACE-socket-sendmsg$nl_generic-syz_init_net_socket$nl_generic-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$IPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x40, &(0x7f0000000480)=@filter={'filter\x00', 0x42, 0x4, 0x2d0, 0xffffffff, 0x2e0, 0x0, 0x2e0, 0xffffffff, 0xffffffff, 0x3b0, 0x3b0, 0x3b0, 0xffffffff, 0x4, 0x0, {[{{@ip={@initdev={0xac, 0x1e, 0x0, 0x0}, @loopback, 0x0, 0x0, 'veth0_to_batadv\x00', 'vlan0\x00', {0xff}, {0xff}, 0x84, 0x0, 0x2}, 0x0, 0x70, 0x98, 0x0, {0x100000000000000}}, @REJECT={0x28}}, {{@ip={@loopback, @rand_addr=0x64010101, 0xffffff00, 0xff000000, 'geneve0\x00', 'macvlan0\x00', {0xff}, {}, 0x2, 0x0, 0x4}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x0, @multicast, 0x3, 0x3, [0x2, 0x2c, 0x4, 0x2, 0x12, 0x22, 0x16, 0x10, 0x35, 0x1a, 0x0, 0x3e, 0x9, 0x0, 0x24, 0x39], 0x1, 0x6, 0x6}}}, {{@ip={@private=0xa010101, @loopback, 0xff, 0xffffff00, 'bond0\x00', 'dvmrp0\x00', {}, {}, 0x2f, 0x2, 0x21}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x1, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, 0xd, 0x8, [0xa, 0x26, 0x2a, 0xa, 0x13, 0xe, 0x2d, 0x21, 0x2d, 0x32, 0x40, 0x20, 0x28, 0x18, 0x22, 0x1e], 0x1, 0x0, 0x6}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x330) r1 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000580)=ANY=[@ANYBLOB="900000001900010000000000000000001d0109002900838025b57efaa223b473fe7783bc4a506cf756740574b89d316af9b5963870ef3391f3ac176f880000004d000f"], 0x90}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, 0x0, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, 0x0, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program did not crash program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-setsockopt$IPT_SO_SET_REPLACE-socket-sendmsg$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$IPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x40, &(0x7f0000000480)=@filter={'filter\x00', 0x42, 0x4, 0x2d0, 0xffffffff, 0x2e0, 0x0, 0x2e0, 0xffffffff, 0xffffffff, 0x3b0, 0x3b0, 0x3b0, 0xffffffff, 0x4, 0x0, {[{{@ip={@initdev={0xac, 0x1e, 0x0, 0x0}, @loopback, 0x0, 0x0, 'veth0_to_batadv\x00', 'vlan0\x00', {0xff}, {0xff}, 0x84, 0x0, 0x2}, 0x0, 0x70, 0x98, 0x0, {0x100000000000000}}, @REJECT={0x28}}, {{@ip={@loopback, @rand_addr=0x64010101, 0xffffff00, 0xff000000, 'geneve0\x00', 'macvlan0\x00', {0xff}, {}, 0x2, 0x0, 0x4}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x0, @multicast, 0x3, 0x3, [0x2, 0x2c, 0x4, 0x2, 0x12, 0x22, 0x16, 0x10, 0x35, 0x1a, 0x0, 0x3e, 0x9, 0x0, 0x24, 0x39], 0x1, 0x6, 0x6}}}, {{@ip={@private=0xa010101, @loopback, 0xff, 0xffffff00, 'bond0\x00', 'dvmrp0\x00', {}, {}, 0x2f, 0x2, 0x21}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x1, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, 0xd, 0x8, [0xa, 0x26, 0x2a, 0xa, 0x13, 0xe, 0x2d, 0x21, 0x2d, 0x32, 0x40, 0x20, 0x28, 0x18, 0x22, 0x1e], 0x1, 0x0, 0x6}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x330) r1 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000580)=ANY=[@ANYBLOB="900000001900010000000000000000001d0109002900838025b57efaa223b473fe7783bc4a506cf756740574b89d316af9b5963870ef3391f3ac176f880000004d000f"], 0x90}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-setsockopt$IPT_SO_SET_REPLACE-socket-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$IPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x40, &(0x7f0000000480)=@filter={'filter\x00', 0x42, 0x4, 0x2d0, 0xffffffff, 0x2e0, 0x0, 0x2e0, 0xffffffff, 0xffffffff, 0x3b0, 0x3b0, 0x3b0, 0xffffffff, 0x4, 0x0, {[{{@ip={@initdev={0xac, 0x1e, 0x0, 0x0}, @loopback, 0x0, 0x0, 'veth0_to_batadv\x00', 'vlan0\x00', {0xff}, {0xff}, 0x84, 0x0, 0x2}, 0x0, 0x70, 0x98, 0x0, {0x100000000000000}}, @REJECT={0x28}}, {{@ip={@loopback, @rand_addr=0x64010101, 0xffffff00, 0xff000000, 'geneve0\x00', 'macvlan0\x00', {0xff}, {}, 0x2, 0x0, 0x4}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x0, @multicast, 0x3, 0x3, [0x2, 0x2c, 0x4, 0x2, 0x12, 0x22, 0x16, 0x10, 0x35, 0x1a, 0x0, 0x3e, 0x9, 0x0, 0x24, 0x39], 0x1, 0x6, 0x6}}}, {{@ip={@private=0xa010101, @loopback, 0xff, 0xffffff00, 'bond0\x00', 'dvmrp0\x00', {}, {}, 0x2f, 0x2, 0x21}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x1, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, 0xd, 0x8, [0xa, 0x26, 0x2a, 0xa, 0x13, 0xe, 0x2d, 0x21, 0x2d, 0x32, 0x40, 0x20, 0x28, 0x18, 0x22, 0x1e], 0x1, 0x0, 0x6}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x330) r1 = socket(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r3, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r3, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}, {0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r1}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program crashed: INFO: task hung in __bio_queue_enter testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-setsockopt$IPT_SO_SET_REPLACE-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$IPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x40, &(0x7f0000000480)=@filter={'filter\x00', 0x42, 0x4, 0x2d0, 0xffffffff, 0x2e0, 0x0, 0x2e0, 0xffffffff, 0xffffffff, 0x3b0, 0x3b0, 0x3b0, 0xffffffff, 0x4, 0x0, {[{{@ip={@initdev={0xac, 0x1e, 0x0, 0x0}, @loopback, 0x0, 0x0, 'veth0_to_batadv\x00', 'vlan0\x00', {0xff}, {0xff}, 0x84, 0x0, 0x2}, 0x0, 0x70, 0x98, 0x0, {0x100000000000000}}, @REJECT={0x28}}, {{@ip={@loopback, @rand_addr=0x64010101, 0xffffff00, 0xff000000, 'geneve0\x00', 'macvlan0\x00', {0xff}, {}, 0x2, 0x0, 0x4}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x0, @multicast, 0x3, 0x3, [0x2, 0x2c, 0x4, 0x2, 0x12, 0x22, 0x16, 0x10, 0x35, 0x1a, 0x0, 0x3e, 0x9, 0x0, 0x24, 0x39], 0x1, 0x6, 0x6}}}, {{@ip={@private=0xa010101, @loopback, 0xff, 0xffffff00, 'bond0\x00', 'dvmrp0\x00', {}, {}, 0x2f, 0x2, 0x21}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x1, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, 0xd, 0x8, [0xa, 0x26, 0x2a, 0xa, 0x13, 0xe, 0x2d, 0x21, 0x2d, 0x32, 0x40, 0x20, 0x28, 0x18, 0x22, 0x1e], 0x1, 0x0, 0x6}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x330) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program crashed: INFO: task hung in genl_rcv_msg testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program crashed: INFO: task hung in genl_rcv_msg testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r1, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, 0x0}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={0x0}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x14, r2, 0x1, 0xfffffffd}, 0x14}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x40080) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)={0x9c, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SOCKETS={0x58, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}, {0xc, 0x1, 0x0, 0x1, {0x8}}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program crashed: INFO: task hung in __bio_queue_enter testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x40080) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)={0x14, r2, 0x503, 0x70bd28, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)={0x48, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program crashed: INFO: task hung in genl_rcv_msg extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE program crashed: INFO: task hung in genl_rcv_msg simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE program crashed: INFO: task hung in genl_rcv_msg testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE program crashed: INFO: task hung in genl_rcv_msg testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE program crashed: INFO: task hung in queue_limits_commit_update_frozen a never seen crash title: INFO: task hung in queue_limits_commit_update_frozen, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE program crashed: INFO: task hung in genl_rcv_msg testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE program crashed: INFO: task hung in genl_rcv_msg testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE program crashed: INFO: task hung in genl_rcv_msg testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)={0x48, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program crashed: INFO: task hung in __bio_queue_enter validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)={0x48, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program crashed: INFO: task hung in genl_rcv_msg validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_RECONFIGURE detailed listing: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)={0x48, r2, 0x503, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x40}, 0x40080) program crashed: INFO: task hung in genl_rcv_msg validation run: crashed=true reproducing took 3h4m24.797478227s repro crashed as (corrupted=false): INFO: task syz-executor:5784 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:22088 pid:5784 tgid:5784 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5526 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7277 __schedule_loop kernel/sched/core.c:7354 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7369 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7426 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x7c1/0x1550 kernel/locking/mutex.c:821 genl_lock net/netlink/genetlink.c:35 [inline] genl_op_lock net/netlink/genetlink.c:60 [inline] genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2575 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x408/0x5a0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f886e15e98e RSP: 002b:00007ffeee5ac338 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000055558188d500 RCX: 00007f886e15e98e RDX: 0000000000000028 RSI: 00007f886ef54670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffeee5ac3b4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffeee5ac408 R14: 00007f886ef54670 R15: 0000000000000000 INFO: task syz-executor:5785 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:21728 pid:5785 tgid:5785 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5526 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7277 __schedule_loop kernel/sched/core.c:7354 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7369 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7426 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x7c1/0x1550 kernel/locking/mutex.c:821 genl_lock net/netlink/genetlink.c:35 [inline] genl_op_lock net/netlink/genetlink.c:60 [inline] genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2575 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x408/0x5a0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe17cb5e98e RSP: 002b:00007ffdc2456e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000055555b271500 RCX: 00007fe17cb5e98e RDX: 0000000000000028 RSI: 00007fe17d954670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffdc2456ed4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffdc2456f28 R14: 00007fe17d954670 R15: 0000000000000000 INFO: task syz-executor:5791 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:22376 pid:5791 tgid:5791 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5526 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7277 __schedule_loop kernel/sched/core.c:7354 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7369 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7426 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x7c1/0x1550 kernel/locking/mutex.c:821 genl_lock net/netlink/genetlink.c:35 [inline] genl_op_lock net/netlink/genetlink.c:60 [inline] genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2575 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x408/0x5a0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa38015e98e RSP: 002b:00007ffff52a8738 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000555563613500 RCX: 00007fa38015e98e RDX: 0000000000000028 RSI: 00007fa380f54670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffff52a87b4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffff52a8808 R14: 00007fa380f54670 R15: 0000000000000000 INFO: task syz-executor:5793 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:22312 pid:5793 tgid:5793 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5526 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7277 __schedule_loop kernel/sched/core.c:7354 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7369 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7426 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x7c1/0x1550 kernel/locking/mutex.c:821 genl_lock net/netlink/genetlink.c:35 [inline] genl_op_lock net/netlink/genetlink.c:60 [inline] genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2575 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x408/0x5a0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f99a275e98e RSP: 002b:00007ffc587623c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000055557ccba500 RCX: 00007f99a275e98e RDX: 0000000000000028 RSI: 00007f99a3554670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffc58762444 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffc58762498 R14: 00007f99a3554670 R15: 0000000000000000 INFO: task syz.0.17:6001 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.17 state:D stack:24936 pid:6001 tgid:6001 ppid:5775 task_flags:0x480140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5526 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7277 __schedule_loop kernel/sched/core.c:7354 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7369 blk_mq_freeze_queue_wait+0x101/0x180 block/blk-mq.c:191 blk_mq_freeze_queue include/linux/blk-mq.h:956 [inline] queue_limits_commit_update_frozen+0x55/0xd0 block/blk-settings.c:590 nbd_set_size+0x4c5/0x7d0 drivers/block/nbd.c:383 nbd_genl_size_set drivers/block/nbd.c:2111 [inline] nbd_genl_reconfigure+0x7e1/0x1040 drivers/block/nbd.c:2444 genl_family_rcv_msg_doit+0x233/0x340 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x614/0x7a0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2575 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] ____sys_sendmsg+0x54e/0x850 net/socket.c:2713 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2767 __sys_sendmsg net/socket.c:2799 [inline] __do_sys_sendmsg net/socket.c:2804 [inline] __se_sys_sendmsg net/socket.c:2802 [inline] __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2802 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fea61b9e159 RSP: 002b:00007ffe7ad85718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fea61e25fa0 RCX: 00007fea61b9e159 RDX: 0000000000040080 RSI: 0000200000000280 RDI: 0000000000000004 RBP: 00007fea61c3506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fea61e25fac R14: 00007fea61e25fa0 R15: 00007fea61e25fa0 INFO: task syz-executor:6018 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:22656 pid:6018 tgid:6018 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5526 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7277 __schedule_loop kernel/sched/core.c:7354 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7369 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7426 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x7c1/0x1550 kernel/locking/mutex.c:821 genl_lock net/netlink/genetlink.c:35 [inline] genl_op_lock net/netlink/genetlink.c:60 [inline] genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2575 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x408/0x5a0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f2c35e98e RSP: 002b:00007ffc6da51098 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000555569f0c500 RCX: 00007f8f2c35e98e RDX: 0000000000000020 RSI: 00007f8f2d154670 RDI: 0000000000000005 RBP: 0000000000000001 R08: 00007ffc6da51114 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00007ffc6da51168 R14: 00007f8f2d154670 R15: 0000000000000000 Showing all locks held in the system: locks held by khungtaskd/32: 1, last CPU#1: #0: ffffffff8ed5c8e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff8ed5c8e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8ed5c8e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6871 locks held by kworker/u9:1/4934: 2, on CPU#1: #0: ffff888027013940 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff888027013940 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff888027013940 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3361 [inline] #0: ffff888027013940 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3479 #1: ffffc90006487c40 ((work_completion)(&args->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc90006487c40 ((work_completion)(&args->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc90006487c40 ((work_completion)(&args->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3361 [inline] #1: ffffc90006487c40 ((work_completion)(&args->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3479 locks held by getty/5373: 2, on CPU#0: #0: ffff8880369960a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900032332e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 drivers/tty/n_tty.c:2211 locks held by udevd/5664: 1, on CPU#0: #0: ffff888026af8350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd70 block/bdev.c:990 locks held by syz-executor/5784: 2, on CPU#1: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/5785: 2, on CPU#1: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/5791: 2, on CPU#1: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/5793: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz.0.17/6001: 6, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 #2: ffff888026bf4260 (&nbd->config_lock){+.+.}-{4:4}, at: nbd_genl_reconfigure+0x4a6/0x1040 drivers/block/nbd.c:2435 #3: ffff8880270047c8 (&q->limits_lock){+.+.}-{4:4}, at: queue_limits_start_update include/linux/blkdev.h:1101 [inline] #3: ffff8880270047c8 (&q->limits_lock){+.+.}-{4:4}, at: nbd_set_size+0x284/0x7d0 drivers/block/nbd.c:375 #4: ffff888027004190 (&q->q_usage_counter(io)#49){++++}-{0:0}, at: blk_mq_freeze_queue include/linux/blk-mq.h:956 [inline] #4: ffff888027004190 (&q->q_usage_counter(io)#49){++++}-{0:0}, at: queue_limits_commit_update_frozen+0x55/0xd0 block/blk-settings.c:590 #5: ffff8880270041c8 (&q->q_usage_counter(queue)#33){+.+.}-{0:0}, at: blk_mq_freeze_queue include/linux/blk-mq.h:956 [inline] #5: ffff8880270041c8 (&q->q_usage_counter(queue)#33){+.+.}-{0:0}, at: queue_limits_commit_update_frozen+0x55/0xd0 block/blk-settings.c:590 locks held by syz-executor/6018: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6043: 2, on CPU#1: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6046: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6049: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6050: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6114: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6142: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6147: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6148: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6151: 2, on CPU#1: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6216: 2, on CPU#1: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:123 nmi_trigger_cpumask_backtrace+0x17d/0x390 lib/nmi_backtrace.c:66 trigger_all_cpu_backtrace include/linux/nmi.h:164 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x135/0x170 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline] watchdog+0xfd7/0x1030 kernel/hung_task.c:561 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 4973 Comm: klogd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:unwind_next_frame+0x46e/0x2550 arch/x86/kernel/unwind_orc.c:520 Code: d1 48 89 15 44 6c 21 12 48 85 d2 0f 84 2e 02 00 00 48 8d 5a 04 48 89 54 24 18 4c 8d 6a 05 48 89 d8 48 c1 e8 03 42 0f b6 04 20 <84> c0 0f 85 b4 19 00 00 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 RSP: 0018:ffffc900030cf6c0 EFLAGS: 00000a06 RAX: 0000000000000000 RBX: ffffffff9116cc10 RCX: ffffffff909689cc RDX: ffffffff9116cc0c RSI: ffffffff9116cc0c RDI: ffffffff8c6da020 RBP: ffffffff81b28a48 R08: 000000000000000c R09: 0000000000000000 R10: ffffc900030cf7b8 R11: ffffffff81b28ab0 R12: dffffc0000000000 R13: ffffffff9116cc11 R14: ffffc900030cf768 R15: ffffffff909689c8 FS: 00007f26e668dc80(0000) GS:ffff888124cce000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564ca5c2e660 CR3: 0000000012246000 CR4: 00000000003526f0 Call Trace: arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2748 [inline] slab_free mm/slub.c:6508 [inline] kfree+0x1c5/0x650 mm/slub.c:6801 syslog_print+0x57c/0x610 kernel/printk/printk.c:1677 do_syslog+0x583/0x7d0 kernel/printk/printk.c:1763 __do_sys_syslog kernel/printk/printk.c:1855 [inline] __se_sys_syslog kernel/printk/printk.c:1853 [inline] __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1853 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f26e6857a37 Code: 73 01 c3 48 8b 0d c1 f3 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 91 f3 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007ffc79f07468 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 RAX: ffffffffffffffda RBX: 00007f26e69f7490 RCX: 00007f26e6857a37 RDX: 00000000000003ff RSI: 00007f26e69f7490 RDI: 0000000000000002 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000206 R12: 00007f26e69f7490 R13: 00007f26e69d4dfe R14: 00007f26e69f7881 R15: 00007f26e69f7881 final repro crashed as (corrupted=false): INFO: task syz-executor:5784 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:22088 pid:5784 tgid:5784 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5526 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7277 __schedule_loop kernel/sched/core.c:7354 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7369 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7426 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x7c1/0x1550 kernel/locking/mutex.c:821 genl_lock net/netlink/genetlink.c:35 [inline] genl_op_lock net/netlink/genetlink.c:60 [inline] genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2575 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x408/0x5a0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f886e15e98e RSP: 002b:00007ffeee5ac338 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000055558188d500 RCX: 00007f886e15e98e RDX: 0000000000000028 RSI: 00007f886ef54670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffeee5ac3b4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffeee5ac408 R14: 00007f886ef54670 R15: 0000000000000000 INFO: task syz-executor:5785 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:21728 pid:5785 tgid:5785 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5526 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7277 __schedule_loop kernel/sched/core.c:7354 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7369 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7426 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x7c1/0x1550 kernel/locking/mutex.c:821 genl_lock net/netlink/genetlink.c:35 [inline] genl_op_lock net/netlink/genetlink.c:60 [inline] genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2575 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x408/0x5a0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe17cb5e98e RSP: 002b:00007ffdc2456e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000055555b271500 RCX: 00007fe17cb5e98e RDX: 0000000000000028 RSI: 00007fe17d954670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffdc2456ed4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffdc2456f28 R14: 00007fe17d954670 R15: 0000000000000000 INFO: task syz-executor:5791 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:22376 pid:5791 tgid:5791 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5526 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7277 __schedule_loop kernel/sched/core.c:7354 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7369 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7426 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x7c1/0x1550 kernel/locking/mutex.c:821 genl_lock net/netlink/genetlink.c:35 [inline] genl_op_lock net/netlink/genetlink.c:60 [inline] genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2575 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x408/0x5a0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa38015e98e RSP: 002b:00007ffff52a8738 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000555563613500 RCX: 00007fa38015e98e RDX: 0000000000000028 RSI: 00007fa380f54670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffff52a87b4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffff52a8808 R14: 00007fa380f54670 R15: 0000000000000000 INFO: task syz-executor:5793 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:22312 pid:5793 tgid:5793 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5526 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7277 __schedule_loop kernel/sched/core.c:7354 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7369 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7426 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x7c1/0x1550 kernel/locking/mutex.c:821 genl_lock net/netlink/genetlink.c:35 [inline] genl_op_lock net/netlink/genetlink.c:60 [inline] genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2575 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x408/0x5a0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f99a275e98e RSP: 002b:00007ffc587623c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000055557ccba500 RCX: 00007f99a275e98e RDX: 0000000000000028 RSI: 00007f99a3554670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffc58762444 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffc58762498 R14: 00007f99a3554670 R15: 0000000000000000 INFO: task syz.0.17:6001 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.17 state:D stack:24936 pid:6001 tgid:6001 ppid:5775 task_flags:0x480140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5526 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7277 __schedule_loop kernel/sched/core.c:7354 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7369 blk_mq_freeze_queue_wait+0x101/0x180 block/blk-mq.c:191 blk_mq_freeze_queue include/linux/blk-mq.h:956 [inline] queue_limits_commit_update_frozen+0x55/0xd0 block/blk-settings.c:590 nbd_set_size+0x4c5/0x7d0 drivers/block/nbd.c:383 nbd_genl_size_set drivers/block/nbd.c:2111 [inline] nbd_genl_reconfigure+0x7e1/0x1040 drivers/block/nbd.c:2444 genl_family_rcv_msg_doit+0x233/0x340 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x614/0x7a0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2575 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] ____sys_sendmsg+0x54e/0x850 net/socket.c:2713 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2767 __sys_sendmsg net/socket.c:2799 [inline] __do_sys_sendmsg net/socket.c:2804 [inline] __se_sys_sendmsg net/socket.c:2802 [inline] __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2802 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fea61b9e159 RSP: 002b:00007ffe7ad85718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fea61e25fa0 RCX: 00007fea61b9e159 RDX: 0000000000040080 RSI: 0000200000000280 RDI: 0000000000000004 RBP: 00007fea61c3506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fea61e25fac R14: 00007fea61e25fa0 R15: 00007fea61e25fa0 INFO: task syz-executor:6018 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:22656 pid:6018 tgid:6018 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5526 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7277 __schedule_loop kernel/sched/core.c:7354 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7369 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7426 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x7c1/0x1550 kernel/locking/mutex.c:821 genl_lock net/netlink/genetlink.c:35 [inline] genl_op_lock net/netlink/genetlink.c:60 [inline] genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2575 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x408/0x5a0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f2c35e98e RSP: 002b:00007ffc6da51098 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000555569f0c500 RCX: 00007f8f2c35e98e RDX: 0000000000000020 RSI: 00007f8f2d154670 RDI: 0000000000000005 RBP: 0000000000000001 R08: 00007ffc6da51114 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00007ffc6da51168 R14: 00007f8f2d154670 R15: 0000000000000000 Showing all locks held in the system: locks held by khungtaskd/32: 1, last CPU#1: #0: ffffffff8ed5c8e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff8ed5c8e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8ed5c8e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6871 locks held by kworker/u9:1/4934: 2, on CPU#1: #0: ffff888027013940 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff888027013940 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff888027013940 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3361 [inline] #0: ffff888027013940 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3479 #1: ffffc90006487c40 ((work_completion)(&args->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc90006487c40 ((work_completion)(&args->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc90006487c40 ((work_completion)(&args->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3361 [inline] #1: ffffc90006487c40 ((work_completion)(&args->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3479 locks held by getty/5373: 2, on CPU#0: #0: ffff8880369960a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900032332e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 drivers/tty/n_tty.c:2211 locks held by udevd/5664: 1, on CPU#0: #0: ffff888026af8350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd70 block/bdev.c:990 locks held by syz-executor/5784: 2, on CPU#1: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/5785: 2, on CPU#1: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/5791: 2, on CPU#1: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/5793: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz.0.17/6001: 6, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 #2: ffff888026bf4260 (&nbd->config_lock){+.+.}-{4:4}, at: nbd_genl_reconfigure+0x4a6/0x1040 drivers/block/nbd.c:2435 #3: ffff8880270047c8 (&q->limits_lock){+.+.}-{4:4}, at: queue_limits_start_update include/linux/blkdev.h:1101 [inline] #3: ffff8880270047c8 (&q->limits_lock){+.+.}-{4:4}, at: nbd_set_size+0x284/0x7d0 drivers/block/nbd.c:375 #4: ffff888027004190 (&q->q_usage_counter(io)#49){++++}-{0:0}, at: blk_mq_freeze_queue include/linux/blk-mq.h:956 [inline] #4: ffff888027004190 (&q->q_usage_counter(io)#49){++++}-{0:0}, at: queue_limits_commit_update_frozen+0x55/0xd0 block/blk-settings.c:590 #5: ffff8880270041c8 (&q->q_usage_counter(queue)#33){+.+.}-{0:0}, at: blk_mq_freeze_queue include/linux/blk-mq.h:956 [inline] #5: ffff8880270041c8 (&q->q_usage_counter(queue)#33){+.+.}-{0:0}, at: queue_limits_commit_update_frozen+0x55/0xd0 block/blk-settings.c:590 locks held by syz-executor/6018: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6043: 2, on CPU#1: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6046: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6049: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6050: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6114: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6142: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6147: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6148: 2, on CPU#0: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6151: 2, on CPU#1: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor/6216: 2, on CPU#1: #0: ffffffff902c4448 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff902c4280 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:123 nmi_trigger_cpumask_backtrace+0x17d/0x390 lib/nmi_backtrace.c:66 trigger_all_cpu_backtrace include/linux/nmi.h:164 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x135/0x170 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline] watchdog+0xfd7/0x1030 kernel/hung_task.c:561 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 4973 Comm: klogd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:unwind_next_frame+0x46e/0x2550 arch/x86/kernel/unwind_orc.c:520 Code: d1 48 89 15 44 6c 21 12 48 85 d2 0f 84 2e 02 00 00 48 8d 5a 04 48 89 54 24 18 4c 8d 6a 05 48 89 d8 48 c1 e8 03 42 0f b6 04 20 <84> c0 0f 85 b4 19 00 00 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 RSP: 0018:ffffc900030cf6c0 EFLAGS: 00000a06 RAX: 0000000000000000 RBX: ffffffff9116cc10 RCX: ffffffff909689cc RDX: ffffffff9116cc0c RSI: ffffffff9116cc0c RDI: ffffffff8c6da020 RBP: ffffffff81b28a48 R08: 000000000000000c R09: 0000000000000000 R10: ffffc900030cf7b8 R11: ffffffff81b28ab0 R12: dffffc0000000000 R13: ffffffff9116cc11 R14: ffffc900030cf768 R15: ffffffff909689c8 FS: 00007f26e668dc80(0000) GS:ffff888124cce000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564ca5c2e660 CR3: 0000000012246000 CR4: 00000000003526f0 Call Trace: arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2748 [inline] slab_free mm/slub.c:6508 [inline] kfree+0x1c5/0x650 mm/slub.c:6801 syslog_print+0x57c/0x610 kernel/printk/printk.c:1677 do_syslog+0x583/0x7d0 kernel/printk/printk.c:1763 __do_sys_syslog kernel/printk/printk.c:1855 [inline] __se_sys_syslog kernel/printk/printk.c:1853 [inline] __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1853 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f26e6857a37 Code: 73 01 c3 48 8b 0d c1 f3 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 91 f3 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007ffc79f07468 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 RAX: ffffffffffffffda RBX: 00007f26e69f7490 RCX: 00007f26e6857a37 RDX: 00000000000003ff RSI: 00007f26e69f7490 RDI: 0000000000000002 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000206 R12: 00007f26e69f7490 R13: 00007f26e69d4dfe R14: 00007f26e69f7881 R15: 00007f26e69f7881