[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.901030][ T26] audit: type=1800 audit(1578479283.197:25): pid=8239 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.920343][ T26] audit: type=1800 audit(1578479283.197:26): pid=8239 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.941379][ T26] audit: type=1800 audit(1578479283.207:27): pid=8239 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.240' (ECDSA) to the list of known hosts. 2020/01/08 10:28:13 fuzzer started 2020/01/08 10:28:14 dialing manager at 10.128.0.26:35703 2020/01/08 10:28:14 syscalls: 2824 2020/01/08 10:28:14 code coverage: enabled 2020/01/08 10:28:14 comparison tracing: enabled 2020/01/08 10:28:14 extra coverage: enabled 2020/01/08 10:28:14 setuid sandbox: enabled 2020/01/08 10:28:14 namespace sandbox: enabled 2020/01/08 10:28:14 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:28:14 fault injection: enabled 2020/01/08 10:28:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:28:14 net packet injection: enabled 2020/01/08 10:28:14 net device setup: enabled 2020/01/08 10:28:14 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:28:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:28:15 executing program 0: socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00005fafd2), 0x2e) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000840)=ANY=[@ANYBLOB="240000002a002d0800000000000016000800000010000800000000000000000000000000b430c6d3c5884dab95449702147ce3bd08000000000000005e2e5f0bf9ed7a45d6f7ffffffffffffff6ded40a1a961b7def4537a6299325da452d07b42b5345cba038266911f0e7a63426e59ea660b4716d9ca9565a094e91e284528e054c4c368e345883271bb65a8c6688e074457f32d5f2a04cf36a625f0a506055bb5c6abe1d985b7239bab19cb38b7b79223394802ae24a1b831f0fdca9cba8dfd61d28e43c8715865ac19b0948ddb98da991ecf86bb559c83ad0686e76467539c201a8e52df3f3283bca1187976fee3eeb65a11e4bcc79ace487ff096dd231d998703985bdb41dadf4bd15df61f615c037c1bc8cb121be40e5494f13384497c91b1aa0133adb0ffffa9dc78facae4deb818950bf367da92d034594adbc2955ad71d1e77f4df13f377ef096b0b477129737feb4806000000da6ccd519a554871a8172c9a1d432e25de24dea609e290a58efcf91e2a1356f451ca6792b6cf36087c14db00000000000000d61bb4b09ec06ab6405a8458045ae66ae329a53d142b3586ee427320875b1980d61f4a85eede75711994851b0830ca799a5b528b882a25aaf4fc4affbbc3415a1df67fbf3d13998c18753e723ab587bbc053c389ec177e82888679cd78b1fa1b10a9c133bd9e0c2296b6751350eb70f7bd4ea30de1cf46ebcfb23f6d55dcbff56e9f3b878f25f8d0402ee5289fbd3c3d920f50871110f1834d8d2bff7c462fddf54eea5b29293941057cf35f851c87e7732fb440b26ff3447a32458ee559fae1922b5ab98fd3d84a32a443ad16d9519b4a62632d82de451c82684e97d0b388d560f63983e1c2cd51462ef4e120a318962402b8402857cd1a5e23818204f3e5060f"], 0x24}}, 0x0) 10:28:16 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_tcp_int(r2, 0x6, 0x7, &(0x7f0000bfcffc), &(0x7f0000000000)=0x4) syzkaller login: [ 58.834870][ T8403] IPVS: ftp: loaded support on port[0] = 21 [ 58.964798][ T8403] chnl_net:caif_netlink_parms(): no params data found [ 59.014145][ T8403] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.023351][ T8403] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.031739][ T8403] device bridge_slave_0 entered promiscuous mode [ 59.043018][ T8403] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.050605][ T8403] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.059739][ T8403] device bridge_slave_1 entered promiscuous mode [ 59.083462][ T8403] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.095885][ T8403] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 10:28:16 executing program 2: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000040)={&(0x7f0000000080)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x2c, 0x2c, 0x2, [@enum={0x0, 0x4, 0x0, 0xd, 0x4, [{}, {0x10}, {}, {}]}]}}, &(0x7f00000003c0)=""/219, 0x46, 0xdb, 0x8}, 0x20) [ 59.120415][ T8403] team0: Port device team_slave_0 added [ 59.122589][ T8406] IPVS: ftp: loaded support on port[0] = 21 [ 59.127975][ T8403] team0: Port device team_slave_1 added [ 59.200272][ T8403] device hsr_slave_0 entered promiscuous mode [ 59.247079][ T8403] device hsr_slave_1 entered promiscuous mode [ 59.315034][ T8408] IPVS: ftp: loaded support on port[0] = 21 10:28:16 executing program 3: recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{0x0, 0x0, 0x0, 0x2fb, 0x0, 0xfc76}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='uid_map\x00') preadv(r0, &(0x7f00000017c0), 0x1a0, 0xf0ffff) [ 59.491002][ T8403] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.530473][ T8403] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.593670][ T8403] netdevsim netdevsim0 netdevsim2: renamed from eth2 10:28:16 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb-twofish-3way\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab7d04000000288a0000000000000000", 0x10) r4 = accept$alg(r3, 0x0, 0x0) sendmsg$alg(r4, &(0x7f0000001380)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) write$binfmt_script(r4, &(0x7f0000000600)=ANY=[], 0xfec8) recvmmsg(r4, &(0x7f0000000700)=[{{0x0, 0x0, &(0x7f0000000580)=[{&(0x7f0000000240)=""/175, 0xfdc0}], 0x1}}], 0x1, 0x0, 0x0) [ 59.648865][ T8403] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.690334][ T8406] chnl_net:caif_netlink_parms(): no params data found [ 59.802903][ T8411] IPVS: ftp: loaded support on port[0] = 21 [ 59.811279][ T8408] chnl_net:caif_netlink_parms(): no params data found [ 59.842132][ T8403] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.849416][ T8403] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.857351][ T8403] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.864805][ T8403] bridge0: port 1(bridge_slave_0) entered forwarding state 10:28:17 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000180)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-avx\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg(r1, &(0x7f0000007f00)=[{{&(0x7f00000056c0)=@can, 0x200086c0, &(0x7f00000000c0)}}, {{&(0x7f0000005900)=@pppoe={0x18, 0x0, {0x0, @link_local, 'syzkaller0\x00'}}, 0x72, &(0x7f0000007ac0), 0x1a9, &(0x7f0000000140)}}], 0x3fffffffffffe0d, 0x0) [ 59.904017][ T8414] IPVS: ftp: loaded support on port[0] = 21 [ 59.963241][ T8406] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.974652][ T8406] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.982957][ T8406] device bridge_slave_0 entered promiscuous mode [ 59.998750][ T44] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.008539][ T44] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.038788][ T8406] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.045949][ T8406] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.065590][ T8406] device bridge_slave_1 entered promiscuous mode [ 60.123805][ T8406] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.138162][ T8406] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.148102][ T8408] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.155239][ T8408] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.163572][ T8408] device bridge_slave_0 entered promiscuous mode [ 60.177393][ T8417] IPVS: ftp: loaded support on port[0] = 21 [ 60.210849][ T8408] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.219821][ T8408] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.227680][ T8408] device bridge_slave_1 entered promiscuous mode [ 60.255246][ T8408] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.269976][ T8406] team0: Port device team_slave_0 added [ 60.278805][ T8406] team0: Port device team_slave_1 added [ 60.311657][ T8408] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.337305][ T8408] team0: Port device team_slave_0 added [ 60.344926][ T8408] team0: Port device team_slave_1 added [ 60.352883][ T8411] chnl_net:caif_netlink_parms(): no params data found [ 60.409590][ T8406] device hsr_slave_0 entered promiscuous mode [ 60.467197][ T8406] device hsr_slave_1 entered promiscuous mode [ 60.516903][ T8406] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.524682][ T8406] Cannot create hsr debugfs directory [ 60.580739][ T8403] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.679661][ T8408] device hsr_slave_0 entered promiscuous mode [ 60.737241][ T8408] device hsr_slave_1 entered promiscuous mode [ 60.796888][ T8408] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.804538][ T8408] Cannot create hsr debugfs directory [ 60.823066][ T8411] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.831455][ T8411] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.839654][ T8411] device bridge_slave_0 entered promiscuous mode [ 60.853677][ T8411] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.861704][ T8411] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.870528][ T8411] device bridge_slave_1 entered promiscuous mode [ 60.890898][ T8411] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.919566][ T8411] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.982726][ T8414] chnl_net:caif_netlink_parms(): no params data found [ 61.006302][ T8411] team0: Port device team_slave_0 added [ 61.026018][ T8417] chnl_net:caif_netlink_parms(): no params data found [ 61.044297][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.054120][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.064229][ T8403] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.075751][ T8411] team0: Port device team_slave_1 added [ 61.081623][ T8406] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.157441][ T8406] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.191531][ T8406] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.242336][ T8406] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.299539][ T8414] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.306667][ T8414] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.315169][ T8414] device bridge_slave_0 entered promiscuous mode [ 61.369579][ T8411] device hsr_slave_0 entered promiscuous mode [ 61.407088][ T8411] device hsr_slave_1 entered promiscuous mode [ 61.456947][ T8411] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.464586][ T8411] Cannot create hsr debugfs directory [ 61.489501][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.497992][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.506263][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.513449][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.522844][ T8414] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.530319][ T8414] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.538464][ T8414] device bridge_slave_1 entered promiscuous mode [ 61.581685][ T8417] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.589701][ T8417] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.597872][ T8417] device bridge_slave_0 entered promiscuous mode [ 61.606573][ T8414] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.640134][ T8417] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.647820][ T8417] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.655552][ T8417] device bridge_slave_1 entered promiscuous mode [ 61.663962][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.673268][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.681876][ T8416] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.688969][ T8416] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.696476][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.710310][ T8414] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.744993][ T8408] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.779953][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.788686][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.797391][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.805719][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.829049][ T8414] team0: Port device team_slave_0 added [ 61.843842][ T8417] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.853645][ T8408] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.923671][ T8408] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.969118][ T8414] team0: Port device team_slave_1 added [ 61.974917][ T8408] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.043797][ T8417] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.101512][ T8414] device hsr_slave_0 entered promiscuous mode [ 62.147142][ T8414] device hsr_slave_1 entered promiscuous mode [ 62.187236][ T8414] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.194963][ T8414] Cannot create hsr debugfs directory [ 62.207763][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.216261][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.224781][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.233207][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.242324][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.250709][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.269872][ T8417] team0: Port device team_slave_0 added [ 62.278924][ T8417] team0: Port device team_slave_1 added [ 62.289826][ T8403] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.339580][ T8417] device hsr_slave_0 entered promiscuous mode [ 62.377215][ T8417] device hsr_slave_1 entered promiscuous mode [ 62.437650][ T8417] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.445668][ T8417] Cannot create hsr debugfs directory [ 62.459091][ T8411] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.541570][ T8411] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.579125][ T8411] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.638849][ T8411] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.686480][ T8406] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.711391][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.721229][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.742214][ T8403] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.764408][ T8406] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.791804][ T8414] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.839167][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.849394][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.883386][ T8414] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.914489][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.926608][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.936020][ T8416] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.943160][ T8416] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.951022][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.959799][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.968418][ T8416] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.975572][ T8416] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.983260][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.992512][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.001244][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.022761][ T8414] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.079126][ T8414] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.132765][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.142678][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.151963][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.160666][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.169922][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.182393][ T8403] device veth0_vlan entered promiscuous mode [ 63.198797][ T8417] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.231307][ T8417] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.289014][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.297939][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.306627][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.315636][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.324976][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.333607][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.346879][ T8408] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.357484][ T8403] device veth1_vlan entered promiscuous mode [ 63.365751][ T8417] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.429968][ T8417] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.491169][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.499980][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.535564][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.545463][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.555269][ T8406] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.587054][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.595480][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.619784][ T8408] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.683110][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.693312][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.701869][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.711499][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.720383][ T2707] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.728765][ T2707] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.736604][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.745580][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.754412][ T2707] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.761710][ T2707] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.769887][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.785089][ T8406] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.823695][ T8411] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.851227][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.861279][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.873007][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 168.866684][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 168.873834][ C1] (detected by 1, t=10502 jiffies, g=6565, q=100) [ 168.880325][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954013-4294943510), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 168.894562][ C1] syz-executor.0 R running task 27912 8422 8403 0x80004008 [ 168.902992][ C1] Call Trace: [ 168.906273][ C1] [ 168.909150][ C1] sched_show_task+0x40f/0x560 [ 168.914372][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 168.919937][ C1] update_process_times+0x12d/0x180 [ 168.926204][ C1] tick_sched_timer+0x263/0x420 [ 168.932733][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.938612][ C1] __hrtimer_run_queues+0x403/0x840 [ 168.944080][ C1] hrtimer_interrupt+0x38c/0xda0 [ 168.949327][ C1] ? debug_smp_processor_id+0x9/0x20 [ 168.954721][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 168.960348][ C1] apic_timer_interrupt+0xf/0x20 [ 168.965274][ C1] [ 168.968206][ C1] RIP: 0010:__memcg_kmem_uncharge+0x132/0x1a0 [ 168.974261][ C1] Code: 89 d8 48 c1 e8 03 42 8a 04 28 84 c0 75 3b f6 03 01 75 10 49 83 c7 10 4c 89 ff 48 8b 75 d0 e8 f5 90 00 00 48 83 c4 08 5b 41 5c <41> 5d 41 5e 41 5f 5d c3 44 89 e1 80 e1 07 80 c1 03 38 c1 7c 96 4c [ 168.994251][ C1] RSP: 0018:ffffc900027e7a38 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 169.003008][ C1] RAX: 0000000000000001 RBX: ffffea000254c6c0 RCX: 0000000000000000 [ 169.011517][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000254c6c0 [ 169.020022][ C1] RBP: ffffc900027e7a50 R08: dffffc0000000000 R09: fffffbfff12c962d [ 169.028371][ C1] R10: fffffbfff12c962d R11: 0000000000000000 R12: ffff88809441a320 [ 169.036754][ C1] R13: 1ffffd40004a98df R14: ffffea000254c6f8 R15: 0000000000000000 [ 169.044746][ C1] free_thread_stack+0x12e/0x590 [ 169.050161][ C1] put_task_stack+0xa3/0x130 [ 169.055229][ C1] finish_task_switch+0x3f1/0x550 [ 169.060268][ C1] __schedule+0x9a8/0xcc0 [ 169.064605][ C1] ? ___preempt_schedule+0x16/0x18 [ 169.069708][ C1] preempt_schedule+0xdb/0x120 [ 169.074463][ C1] ___preempt_schedule+0x16/0x18 [ 169.079396][ C1] _raw_spin_unlock+0x3a/0x40 [ 169.085136][ C1] mm_update_next_owner+0x5e9/0x680 [ 169.090515][ C1] exit_mm+0x502/0x590 [ 169.094696][ C1] ? _raw_spin_unlock_irq+0x64/0x80 [ 169.100096][ C1] do_exit+0x572/0x2000 [ 169.104268][ C1] do_group_exit+0x15c/0x2b0 [ 169.108869][ C1] __do_sys_exit_group+0x17/0x20 [ 169.114078][ C1] __se_sys_exit_group+0x14/0x20 [ 169.119131][ C1] __x64_sys_exit_group+0x3b/0x40 [ 169.124262][ C1] do_syscall_64+0xf7/0x1c0 [ 169.128871][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.134769][ C1] RIP: 0033:0x45af49 [ 169.138844][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 169.159691][ C1] RSP: 002b:00007ffd0a1e8ed8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 169.168098][ C1] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045af49 [ 169.176059][ C1] RDX: 0000000000414ae1 RSI: fffffffffffffff7 RDI: 0000000000000000 [ 169.184081][ C1] RBP: 0000000000000000 R08: ffffffffffffffff R09: 00007ffd0a1e8f30 [ 169.192248][ C1] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 169.200675][ C1] R13: 00007ffd0a1e8f30 R14: 0000000000000000 R15: 00007ffd0a1e8f40 [ 169.208852][ C1] rcu: rcu_preempt kthread starved for 10536 jiffies! g6565 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 169.220588][ C1] rcu: RCU grace-period kthread stack dump: [ 169.227026][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 169.234956][ C1] Call Trace: [ 169.238345][ C1] __schedule+0x9a0/0xcc0 [ 169.242717][ C1] schedule+0x181/0x210 [ 169.246867][ C1] schedule_timeout+0x14f/0x240 [ 169.251710][ C1] ? run_local_timers+0x120/0x120 [ 169.256906][ C1] rcu_gp_kthread+0xed8/0x1770 [ 169.261671][ C1] kthread+0x332/0x350 [ 169.265759][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 169.270858][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.275439][ C1] ret_from_fork+0x24/0x30