[ 40.674087] audit: type=1800 audit(1558808267.952:31): pid=7595 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2469 res=0 Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 46.148868] kauditd_printk_skb: 3 callbacks suppressed [ 46.148883] audit: type=1400 audit(1558808273.422:35): avc: denied { map } for pid=7767 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.192' (ECDSA) to the list of known hosts. 2019/05/25 18:18:00 fuzzer started [ 52.871378] audit: type=1400 audit(1558808280.152:36): avc: denied { map } for pid=7776 comm="syz-fuzzer" path="/root/syz-fuzzer" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/05/25 18:18:03 dialing manager at 10.128.0.105:44295 2019/05/25 18:18:03 syscalls: 2457 2019/05/25 18:18:03 code coverage: enabled 2019/05/25 18:18:03 comparison tracing: enabled 2019/05/25 18:18:03 extra coverage: extra coverage is not supported by the kernel 2019/05/25 18:18:03 setuid sandbox: enabled 2019/05/25 18:18:03 namespace sandbox: enabled 2019/05/25 18:18:03 Android sandbox: /sys/fs/selinux/policy does not exist 2019/05/25 18:18:03 fault injection: enabled 2019/05/25 18:18:03 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/05/25 18:18:03 net packet injection: enabled 2019/05/25 18:18:03 net device setup: enabled 18:18:04 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) syz_execute_func(&(0x7f0000000280)="f2af91930f0124eda133fa20430fbafce842f66188d027430fc7f314c1ab5bf9e2f9660f3a0fae735e090000baba3c1fb63ac4817d73d74ec482310d46f449f216c863fa438036a91bdbae95aaaa11420f383c020201405c6bfd49d768d768f833fefbab6464660f38323c8fc481e5eb85ee000000a1fe5ff6f6df0804f4c4efa59c0f01c4288ba6452e000054c4431d5cc100") ioctl(r0, 0x80001000008912, &(0x7f0000000700)="0adc1f123c123f319bd070") [ 57.553004] audit: type=1400 audit(1558808284.832:37): avc: denied { map } for pid=7794 comm="syz-executor.0" path="/sys/kernel/debug/kcov" dev="debugfs" ino=14629 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 57.660216] IPVS: ftp: loaded support on port[0] = 21 [ 57.669986] NET: Registered protocol family 30 [ 57.674712] Failed to register TIPC socket type 18:18:05 executing program 1: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x80001000008912, &(0x7f0000000000)="0adc1f123c123f319bd070") sendmsg$key(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB="02000000bf0100000000000000000000ba0100ef076e00002123002fde042774602f36cddb4aa287b3b3312d91f7fbcd26167f6444b666b5023d6da31997c5864183bb5548c8d5210899d6b5b6d5efcd76ffd06e3e62e26c761a6047d17f3aed967ad2b9eaceeae2cbcc2da1394686d4b44040f84a928b78a978a3db1acd6c577c8d"], 0x82}}, 0x0) syz_execute_func(&(0x7f0000000180)="f2af91930f0124eda133fa20430fbafce842f66188d0c0430fc7f314c1ab5be2f9660f3a0fae5e090000ba44d8d1b63ac4817d73d74ec482310d46f449f216c863fa43c4c2750ade1bdbae95c4e1a05d6b06aa420f383c02c401405c6bfd499768d768f833fefbab6464660f38323c8f26dbc1a1fe5ff6f6df0804f4c4efa59c0f01c4288ba6452e000054c4431d5c") [ 57.876492] IPVS: ftp: loaded support on port[0] = 21 [ 57.885734] NET: Registered protocol family 30 [ 57.890477] Failed to register TIPC socket type 18:18:05 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x80001000008912, &(0x7f0000000000)="0adc1f123c123f319bd070") sendmsg$key(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB="02000000bf01000000000000000011bbba010000086e000021232987b3b666b5023d6da31997c5864183bb55680500000000000000000000d6ffffff7f0000000046b5b6d5efcd00"/83], 0x53}}, 0x0) syz_execute_func(&(0x7f0000000180)="f2af91930f0124eda133fa20430fbafce842f66188d0c0430fc7f314c1ab5be2f9660f3a0fae5e090000ba44d8d1b63ac4817d73d74ec482310d46f449f216c863fa43c4c2750ade1bdbae95c4e1a05d6b06aa420f383c02c401405c6bfd499768d768f833fefbab6464660f38323c8f26dbc1a1fe5ff6f6df0804f4c4efa59c0f01c4288ba6452e000054c4431d5c") [ 58.285385] IPVS: ftp: loaded support on port[0] = 21 [ 58.314170] NET: Registered protocol family 30 [ 58.318795] Failed to register TIPC socket type 18:18:05 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x80001000008912, &(0x7f0000000700)="0adc1f123c123f319bd070") sendmsg$TIPC_NL_NODE_GET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000340)={0x94, 0x0, 0x0, 0x0, 0x0, {}, [@TIPC_NLA_LINK={0x60, 0x4, [@TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0xc, 0x1, 'syz1\x00'}, @TIPC_NLA_LINK_PROP={0x1c, 0x7, [@TIPC_NLA_PROP_WIN={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}, @TIPC_NLA_LINK_NAME={0xc, 0x1, 'syz1\x00'}, @TIPC_NLA_LINK_PROP={0x14, 0x7, [@TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_MTU={0x8}]}]}, @TIPC_NLA_BEARER={0x20, 0x1, [@TIPC_NLA_BEARER_DOMAIN={0x8}, @TIPC_NLA_BEARER_PROP={0xc, 0x2, [@TIPC_NLA_PROP_MTU={0x8}]}, @TIPC_NLA_BEARER_DOMAIN={0x8}]}]}, 0x94}}, 0x0) syz_execute_func(&(0x7f0000000280)="f2af91930f0124eda133fa20430fbafce842f66188d027430fc7f314c1ab5bf9e2f9660f3a0fae735e090000baba3c1fb63ac4817d73d74ec482310d46f449f216c863fa438036a91bdbae95aaaa11420f383c020201405c6bfd49d768d768f833fefbab6464660f38323c8fc481e5eb85ee000000a1fe5ff6f6df0804f4c4efa59c0f01c4288ba6452e000054c4431d5cc100") [ 58.825524] IPVS: ftp: loaded support on port[0] = 21 [ 58.844349] NET: Registered protocol family 30 [ 58.849061] Failed to register TIPC socket type 18:18:06 executing program 4: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x80001000008912, &(0x7f0000000700)="0adc1f123c123f319bd070") sendmsg$TIPC_NL_NODE_GET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000740)={0xc0, 0x0, 0x0, 0x0, 0x0, {}, [@TIPC_NLA_LINK={0xc, 0x4, [@TIPC_NLA_LINK_PROP={0x4}, @TIPC_NLA_LINK_PROP={0x4}]}, @TIPC_NLA_LINK={0x30, 0x4, [@TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_PROP={0xc, 0x7, [@TIPC_NLA_PROP_WIN={0x8}]}, @TIPC_NLA_LINK_PROP={0xc, 0x7, [@TIPC_NLA_PROP_TOL={0x8}]}]}, @TIPC_NLA_LINK={0x70, 0x4, [@TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0xc, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_PROP={0x1c, 0x7, [@TIPC_NLA_PROP_PRIO={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}, @TIPC_NLA_LINK_PROP={0x1c, 0x7, [@TIPC_NLA_PROP_WIN={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_MTU={0x8}]}]}]}, 0xc0}}, 0x0) syz_execute_func(&(0x7f0000000280)="f2af91930f0124eda133fa20430fbafce842f66188d027430fc7f314c1ab5bf9e2f9660f3a0fae735e090000baba3c1fb63ac4817d73d74ec482310d46f449f216c863fa438036a91bdbae95aaaa11420f383c020201405c6ffd49d768d768f833fefbab6464660f38323c8fc481e5eb85ee000000a1fe5ff6f6df0804f4c4efa59c0f01c4288ba6452e000054c4431d5cc100") [ 59.399882] IPVS: ftp: loaded support on port[0] = 21 [ 59.427625] NET: Registered protocol family 30 [ 59.450078] Failed to register TIPC socket type 18:18:06 executing program 5: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x80001000008912, &(0x7f0000000000)="0adc1f123c123f319bd070") sendmsg$key(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000006c0)=ANY=[@ANYBLOB="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"], 0x138}}, 0x0) syz_execute_func(&(0x7f0000000180)="f2af91930f0124eda133fa20430fbafce842f66188d0d4430fc7f314c1ab5be2f9660f3a0fae5e090000ba44d8d1b63ac4817d73d74ec482310d46f449f216c863fa43c4c2750ade1bdbae95c4e1a05d6b06aa420f383c02c401405c6bfd499768d768f833fefbab6464660f38323c8f26dbc1a1fe5ff6f6df0804f4c4efa59c0f01c4288ba6452e000054c4431d5c") [ 59.987533] IPVS: ftp: loaded support on port[0] = 21 [ 60.014438] NET: Registered protocol family 30 [ 60.019063] Failed to register TIPC socket type [ 60.465557] chnl_net:caif_netlink_parms(): no params data found [ 60.895296] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.959509] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.012449] device bridge_slave_0 entered promiscuous mode [ 61.101661] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.108127] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.232186] device bridge_slave_1 entered promiscuous mode [ 61.704630] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 62.039023] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 62.601469] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 62.771901] team0: Port device team_slave_0 added [ 62.992544] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 63.034685] team0: Port device team_slave_1 added [ 63.291421] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 63.614146] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 64.271875] device hsr_slave_0 entered promiscuous mode [ 64.461913] device hsr_slave_1 entered promiscuous mode [ 64.587310] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 64.745221] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 64.981517] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.623059] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.732595] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 65.904101] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 66.040253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.048458] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.152843] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 66.159001] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.521642] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 66.528746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.551721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.691874] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.698365] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.936472] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 67.047439] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.081687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.171089] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.261286] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.267719] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.425550] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 67.515172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.624027] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 67.709442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.833274] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 67.926225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.951266] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.044939] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 68.161963] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.169234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.250905] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.337281] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 68.412220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.434640] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.533233] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 68.546339] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.626793] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.692464] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 68.698562] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.899071] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 69.022259] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.740464] audit: type=1400 audit(1558808297.012:38): avc: denied { associate } for pid=7795 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 18:18:19 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x80001000008912, &(0x7f0000000000)="0adc1f123c123f319bd070") sendmsg$key(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000001c0)=ANY=[@ANYBLOB="020000003101000000000000000000002b010000484a000002d9f133c0616c072a20139b9ac715e5c07c0227c829273502eb42cd8030f39022e15b9479d77bfc098beef32dc3fabf1cc4ad639e0db270328b9270a90532b371c01c50d9abf9ded461f8319a48bd42008752f1e5b2ccbbc331f3ca01fb8628e59e96f717025bfdf19d6e84829c0f852e5e3cc1c45e7e052f5d943f5bfeeb22320a261fd07f86bc9832852060aa92d7b2005807b4fbd8cfd77942e14ae4e8a990bb4ce7f466aabd0400e133a9462f854753bbd9ffffffffffffff341549d967739166cacab0413f99ad32fc90166a40566a10776fa7a750701c40ce05bbca9f6c29f0064e4f6ab21a71abcae340"], 0x106}}, 0x0) syz_execute_func(&(0x7f0000000100)="40ddb80000000091930f0124eda133fa20430fbafce842f66188d0d4430fc7f314c1ab5bf9e2f9660f3a0fae5e090000ba023c1fb63ac4817d73d74ec482310d46f449f216c863fa438036a900fbab7bab7baaaa420f383c02c401405c6bfd49d768d768f833fefbab6464660f38323c8f26dbc1a1fe5ff6f6df0804f4c4efa59c0f01c4288ba6452e000054c4431d5cc100") [ 73.402353] IPVS: ftp: loaded support on port[0] = 21 [ 73.692737] NET: Registered protocol family 30 [ 73.697388] Failed to register TIPC socket type [ 73.966136] IPVS: ftp: loaded support on port[0] = 21 18:18:21 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x80001000008912, &(0x7f0000000700)="0adc1f123c123f319bd070") sendmsg$TIPC_NL_NODE_GET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000740)={0x10c, 0x0, 0x0, 0x0, 0x0, {}, [@TIPC_NLA_LINK={0x34, 0x4, [@TIPC_NLA_LINK_PROP={0x24, 0x7, [@TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_PRIO={0x8}]}, @TIPC_NLA_LINK_PROP={0xc, 0x7, [@TIPC_NLA_PROP_TOL={0x8}]}]}, @TIPC_NLA_LINK={0x40, 0x4, [@TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_PROP={0x14, 0x7, [@TIPC_NLA_PROP_WIN={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}, @TIPC_NLA_LINK_PROP={0x14, 0x7, [@TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_TOL={0x8}]}]}, @TIPC_NLA_LINK={0x84, 0x4, [@TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0xc, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_NAME={0xc, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_PROP={0x1c, 0x7, [@TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}, @TIPC_NLA_LINK_PROP={0x24, 0x7, [@TIPC_NLA_PROP_WIN={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}]}]}, 0x10c}}, 0x0) syz_execute_func(&(0x7f0000000280)="f2af91930f0124eda133fa20430fbafce842f66188d027430fc7f314c1ab5bf9e2f9660f3a0fae735e090000baba3c1fb63ac4817d73d74ec482310d46f449f216c863fa438036a91bdbae95aaaa11420f383c020201405c6bfd49d768d768f833fefbab6464660f38323c8fc481e5eb85ee000000a1fe5ff6f6df0804f4c4efa59c0f01c4288ba6452e000054c4431d5cc100") [ 74.182398] NET: Registered protocol family 30 [ 74.198257] IPVS: ftp: loaded support on port[0] = 21 [ 74.206455] Failed to register TIPC socket type [ 74.288281] NET: Registered protocol family 30 [ 74.379145] Failed to register TIPC socket type 18:18:22 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x80001000008912, &(0x7f0000000700)="0adc1f123c123f319bd070") sendmsg$TIPC_NL_NODE_GET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000740)={0x10c, 0x0, 0x0, 0x0, 0x0, {}, [@TIPC_NLA_LINK={0x34, 0x4, [@TIPC_NLA_LINK_PROP={0x24, 0x7, [@TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_PRIO={0x8}]}, @TIPC_NLA_LINK_PROP={0xc, 0x7, [@TIPC_NLA_PROP_TOL={0x8}]}]}, @TIPC_NLA_LINK={0x40, 0x4, [@TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_PROP={0x14, 0x7, [@TIPC_NLA_PROP_WIN={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}, @TIPC_NLA_LINK_PROP={0x14, 0x7, [@TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_TOL={0x8}]}]}, @TIPC_NLA_LINK={0x84, 0x4, [@TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0xc, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_NAME={0xc, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_PROP={0x1c, 0x7, [@TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}, @TIPC_NLA_LINK_PROP={0x24, 0x7, [@TIPC_NLA_PROP_WIN={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}]}]}, 0x10c}}, 0x0) syz_execute_func(&(0x7f0000000280)="f2af91930f0124eda133fa20430fbafce842f66188d027430fc7f314c1ab5bf9e2f9660f3a0fae735e090000baba3c1fb63ac4817d73d74ec482310d46f449f216c863fa438036a91bdbae95aaaa11420f383c020201405c6bfd49d768d768f833fefbab6464660f38323c8fc481e5eb85ee000000a1fe5ff6f6df0804f4c4efa59c0f01c4288ba6452e000054c4431d5cc100") [ 76.010003] IPVS: ftp: loaded support on port[0] = 21 [ 76.019363] NET: Registered protocol family 30 [ 76.042031] Failed to register TIPC socket type 18:18:23 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x80001000008912, &(0x7f0000000700)="0adc1f123c123f319bd070") sendmsg$TIPC_NL_NODE_GET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000740)={0x10c, 0x0, 0x0, 0x0, 0x0, {}, [@TIPC_NLA_LINK={0x34, 0x4, [@TIPC_NLA_LINK_PROP={0x24, 0x7, [@TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_PRIO={0x8}]}, @TIPC_NLA_LINK_PROP={0xc, 0x7, [@TIPC_NLA_PROP_TOL={0x8}]}]}, @TIPC_NLA_LINK={0x40, 0x4, [@TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_PROP={0x14, 0x7, [@TIPC_NLA_PROP_WIN={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}, @TIPC_NLA_LINK_PROP={0x14, 0x7, [@TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_TOL={0x8}]}]}, @TIPC_NLA_LINK={0x84, 0x4, [@TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0xc, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_NAME={0xc, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_PROP={0x1c, 0x7, [@TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}, @TIPC_NLA_LINK_PROP={0x24, 0x7, [@TIPC_NLA_PROP_WIN={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}]}]}, 0x10c}}, 0x0) syz_execute_func(&(0x7f0000000280)="f2af91930f0124eda133fa20430fbafce842f66188d027430fc7f314c1ab5bf9e2f9660f3a0fae735e090000baba3c1fb63ac4817d73d74ec482310d46f449f216c863fa438036a91bdbae95aaaa11420f383c020201405c6bfd49d768d768f833fefbab6464660f38323c8fc481e5eb85ee000000a1fe5ff6f6df0804f4c4efa59c0f01c4288ba6452e000054c4431d5cc100") [ 76.409795] IPVS: ftp: loaded support on port[0] = 21 [ 76.444164] NET: Registered protocol family 30 [ 76.448806] Failed to register TIPC socket type 18:18:24 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x80001000008912, &(0x7f0000000700)="0adc1f123c123f319bd070") sendmsg$TIPC_NL_NODE_GET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000740)={0x10c, 0x0, 0x0, 0x0, 0x0, {}, [@TIPC_NLA_LINK={0x34, 0x4, [@TIPC_NLA_LINK_PROP={0x24, 0x7, [@TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_PRIO={0x8}]}, @TIPC_NLA_LINK_PROP={0xc, 0x7, [@TIPC_NLA_PROP_TOL={0x8}]}]}, @TIPC_NLA_LINK={0x40, 0x4, [@TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_PROP={0x14, 0x7, [@TIPC_NLA_PROP_WIN={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}, @TIPC_NLA_LINK_PROP={0x14, 0x7, [@TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_TOL={0x8}]}]}, @TIPC_NLA_LINK={0x84, 0x4, [@TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0xc, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_NAME={0xc, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_PROP={0x1c, 0x7, [@TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}, @TIPC_NLA_LINK_PROP={0x24, 0x7, [@TIPC_NLA_PROP_WIN={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}]}]}, 0x10c}}, 0x0) syz_execute_func(&(0x7f0000000280)="f2af91930f0124eda133fa20430fbafce842f66188d027430fc7f314c1ab5bf9e2f9660f3a0fae735e090000baba3c1fb63ac4817d73d74ec482310d46f449f216c863fa438036a91bdbae95aaaa11420f383c020201405c6bfd49d768d768f833fefbab6464660f38323c8fc481e5eb85ee000000a1fe5ff6f6df0804f4c4efa59c0f01c4288ba6452e000054c4431d5cc100") 18:18:25 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x80001000008912, &(0x7f0000000700)="0adc1f123c123f319bd070") sendmsg$TIPC_NL_NODE_GET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000340)={0x70, 0x0, 0x0, 0x0, 0x0, {}, [@TIPC_NLA_MON={0x4}, @TIPC_NLA_LINK={0x10, 0x4, [@TIPC_NLA_LINK_NAME={0xc, 0x1, 'syz1\x00'}]}, @TIPC_NLA_LINK={0x48, 0x4, [@TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_PROP={0x24, 0x7, [@TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}, @TIPC_NLA_LINK_PROP={0xc, 0x7, [@TIPC_NLA_PROP_TOL={0x8}]}]}]}, 0x70}}, 0x0) syz_execute_func(&(0x7f0000000280)="f2af91930f0124eda133fa20430fbafce842f66188d027430fc7f314c1ab5bf9e2f9660f3a0fae735e090000baba3c1fb63ac4817d73d74ec482310d46f449f216c863fa438036a91bdbae95aaaa11420f383c020201405c6bfd49d768d768f833fefbab6464660f38323c8fc481e5eb85ee000000a1fe5ff6f6df0804f4c4efa59c0f01c4288ba6452e000054c4431d5cc100") [ 78.448118] IPVS: ftp: loaded support on port[0] = 21 [ 78.468791] NET: Registered protocol family 30 [ 78.475430] Failed to register TIPC socket type [ 78.788599] IPVS: ftp: loaded support on port[0] = 21 [ 78.808681] NET: Registered protocol family 30 [ 78.819052] Failed to register TIPC socket type [ 78.898744] IPVS: ftp: loaded support on port[0] = 21 [ 78.921229] NET: Registered protocol family 30 [ 78.925851] Failed to register TIPC socket type 18:18:26 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x80001000008912, &(0x7f0000000700)="0adc1f123c123f319bd070") sendmsg$TIPC_NL_NODE_GET(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000340)={0x70, 0x0, 0x0, 0x0, 0x0, {}, [@TIPC_NLA_MON={0x4}, @TIPC_NLA_LINK={0x10, 0x4, [@TIPC_NLA_LINK_NAME={0xc, 0x1, 'syz1\x00'}]}, @TIPC_NLA_LINK={0x48, 0x4, [@TIPC_NLA_LINK_NAME={0x14, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_PROP={0x24, 0x7, [@TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_WIN={0x8}]}, @TIPC_NLA_LINK_PROP={0xc, 0x7, [@TIPC_NLA_PROP_TOL={0x8}]}]}]}, 0x70}}, 0x0) syz_execute_func(&(0x7f0000000280)="f2af91930f0124eda133fa20430fbafce842f66188d027430fc7f314c1ab5bf9e2f9660f3a0fae735e090000baba3c1fb63ac4817d73d74ec482310d46f449f216c863fa438036a91bdbae95aaaa11420f383c020201405c6bfd49d768d768f833fefbab6464660f38323c8fc481e5eb85ee000000a1fe5ff6f6df0804f4c4efa59c0f01c4288ba6452e000054c4431d5cc100") [ 80.187573] IPVS: ftp: loaded support on port[0] = 21 [ 80.205266] NET: Registered protocol family 30 [ 80.209884] Failed to register TIPC socket type [ 80.702550] IPVS: ftp: loaded support on port[0] = 21 [ 80.731834] NET: Registered protocol family 30 [ 80.736457] Failed to register TIPC socket type [ 82.486417] IPVS: ftp: loaded support on port[0] = 21 [ 82.493993] NET: Registered protocol family 30 [ 82.498572] Failed to register TIPC socket type [ 82.896456] IPVS: ftp: loaded support on port[0] = 21 [ 82.904142] IPVS: ftp: loaded support on port[0] = 21 [ 82.913617] NET: Registered protocol family 30 [ 82.913994] list_add double add: new=ffffffff892e71b0, prev=ffffffff890f2d80, next=ffffffff892e71b0. [ 82.918210] Failed to register TIPC socket type [ 82.933114] ------------[ cut here ]------------ [ 82.937881] kernel BUG at lib/list_debug.c:29! [ 82.942788] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 82.948253] CPU: 0 PID: 8497 Comm: syz-executor.2 Not tainted 4.19.46 #18 [ 82.955175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.964553] RIP: 0010:__list_add_valid.cold+0x26/0x3c [ 82.969747] Code: 56 ff ff ff 4c 89 e1 48 c7 c7 a0 ae 81 87 e8 00 03 31 fe 0f 0b 48 89 f2 4c 89 e1 4c 89 ee 48 c7 c7 e0 af 81 87 e8 e9 02 31 fe <0f> 0b 48 89 f1 48 c7 c7 60 af 81 87 4c 89 e6 e8 d5 02 31 fe 0f 0b [ 82.988670] RSP: 0018:ffff888068eefb88 EFLAGS: 00010282 [ 82.994034] RAX: 0000000000000058 RBX: ffffffff892e7020 RCX: 0000000000000000 [ 83.001305] RDX: 0000000000000000 RSI: ffffffff81559e76 RDI: ffffed100d1ddf63 [ 83.008573] RBP: ffff888068eefba0 R08: 0000000000000058 R09: ffffed1015d04fe9 [ 83.015876] R10: ffffed1015d04fe8 R11: ffff8880ae827f47 R12: ffffffff892e71b0 [ 83.023337] R13: ffffffff892e71b0 R14: ffffffff892e71b0 R15: ffffffff892e7150 [ 83.030627] FS: 0000000002249940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 83.038835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.044804] CR2: 0000000000a75e58 CR3: 000000007e8e6000 CR4: 00000000001406f0 [ 83.052078] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.059354] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.066716] Call Trace: [ 83.069491] ? mutex_lock_nested+0x16/0x20 [ 83.073736] proto_register+0x459/0x8e0 [ 83.077726] tipc_socket_init+0x1c/0x70 [ 83.081705] tipc_init_net+0x2ed/0x570 [ 83.085595] ? tipc_exit_net+0x40/0x40 [ 83.089491] ops_init+0xb3/0x410 [ 83.092892] setup_net+0x2d3/0x740 [ 83.096443] ? lock_acquire+0x16f/0x3f0 [ 83.100434] ? ops_init+0x410/0x410 [ 83.104080] copy_net_ns+0x1df/0x340 [ 83.107816] create_new_namespaces+0x400/0x7b0 [ 83.112411] unshare_nsproxy_namespaces+0xc2/0x200 [ 83.117360] ksys_unshare+0x440/0x980 [ 83.121176] ? walk_process_tree+0x2c0/0x2c0 [ 83.125594] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.130361] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.135724] ? do_syscall_64+0x26/0x620 [ 83.139694] ? lockdep_hardirqs_on+0x415/0x5d0 [ 83.144264] __x64_sys_unshare+0x31/0x40 [ 83.148316] do_syscall_64+0xfd/0x620 [ 83.152111] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.157282] RIP: 0033:0x45bd47 [ 83.160565] Code: 00 00 00 b8 63 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 1d 8d fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 fd 8c fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.179472] RSP: 002b:00007ffc9002ff28 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 83.187169] RAX: ffffffffffffffda RBX: 000000000075c9a8 RCX: 000000000045bd47 [ 83.194430] RDX: 0000000000000000 RSI: 00007ffc9002fed0 RDI: 0000000040000000 [ 83.201702] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000005 [ 83.208956] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000075c9a8 [ 83.216319] R13: 00007ffc90030198 R14: 0000000000000000 R15: 0000000000000000 [ 83.223584] Modules linked in: [ 83.227025] ---[ end trace 6f9872a930def158 ]--- [ 83.232057] RIP: 0010:__list_add_valid.cold+0x26/0x3c [ 83.237258] Code: 56 ff ff ff 4c 89 e1 48 c7 c7 a0 ae 81 87 e8 00 03 31 fe 0f 0b 48 89 f2 4c 89 e1 4c 89 ee 48 c7 c7 e0 af 81 87 e8 e9 02 31 fe <0f> 0b 48 89 f1 48 c7 c7 60 af 81 87 4c 89 e6 e8 d5 02 31 fe 0f 0b [ 83.256408] RSP: 0018:ffff888068eefb88 EFLAGS: 00010282 [ 83.261849] RAX: 0000000000000058 RBX: ffffffff892e7020 RCX: 0000000000000000 [ 83.269142] RDX: 0000000000000000 RSI: ffffffff81559e76 RDI: ffffed100d1ddf63 [ 83.276461] RBP: ffff888068eefba0 R08: 0000000000000058 R09: ffffed1015d04fe9 [ 83.298547] R10: ffffed1015d04fe8 R11: ffff8880ae827f47 R12: ffffffff892e71b0 [ 83.306562] R13: ffffffff892e71b0 R14: ffffffff892e71b0 R15: ffffffff892e7150 [ 83.314085] FS: 0000000002249940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 83.322539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.328430] CR2: 0000000000a75e58 CR3: 000000007e8e6000 CR4: 00000000001406f0 [ 83.335976] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.343489] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.351177] Kernel panic - not syncing: Fatal exception [ 83.358034] Kernel Offset: disabled [ 83.361719] Rebooting in 86400 seconds..