[ 44.904901][ T25] audit: type=1800 audit(1575335613.855:26): pid=8053 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.936887][ T25] audit: type=1800 audit(1575335613.855:27): pid=8053 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.975060][ T25] audit: type=1800 audit(1575335613.855:28): pid=8053 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 45.816775][ T25] audit: type=1800 audit(1575335614.795:29): pid=8053 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.189' (ECDSA) to the list of known hosts. 2019/12/03 01:13:42 fuzzer started 2019/12/03 01:13:44 dialing manager at 10.128.0.26:38907 2019/12/03 01:13:44 syscalls: 2697 2019/12/03 01:13:44 code coverage: enabled 2019/12/03 01:13:44 comparison tracing: enabled 2019/12/03 01:13:44 extra coverage: extra coverage is not supported by the kernel 2019/12/03 01:13:44 setuid sandbox: enabled 2019/12/03 01:13:44 namespace sandbox: enabled 2019/12/03 01:13:44 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 01:13:44 fault injection: enabled 2019/12/03 01:13:44 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 01:13:44 net packet injection: enabled 2019/12/03 01:13:44 net device setup: enabled 2019/12/03 01:13:44 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 01:13:44 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:13:45 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$KDADDIO(r0, 0x400455c8, 0x8) 01:13:45 executing program 1: r0 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000000600)={0x2, 0x4e20, @multicast1}, 0x10) recvmmsg(r0, &(0x7f00000034c0)=[{{0x0, 0x0, &(0x7f0000000580)=[{&(0x7f00000001c0)=""/119, 0x77}, {&(0x7f0000000240)=""/148, 0x94}, {&(0x7f0000000300)=""/253, 0xfd}], 0x3}}], 0x1, 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r1, &(0x7f0000000000)={0x2, 0x0, @loopback}, 0x10) sendto$inet(r1, 0x0, 0x0, 0x20008800, &(0x7f00000000c0)={0x2, 0x4e20, @multicast1}, 0x10) sendto$inet(r1, &(0x7f0000000180), 0x144, 0x0, 0x0, 0x0) syzkaller login: [ 56.433063][ T8220] IPVS: ftp: loaded support on port[0] = 21 [ 56.533597][ T8220] chnl_net:caif_netlink_parms(): no params data found [ 56.566903][ T8220] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.574388][ T8220] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.582368][ T8220] device bridge_slave_0 entered promiscuous mode [ 56.590808][ T8220] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.597984][ T8220] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.605923][ T8220] device bridge_slave_1 entered promiscuous mode [ 56.637751][ T8220] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.667479][ T8220] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 01:13:45 executing program 2: bpf$MAP_CREATE(0x0, &(0x7f0000000080)={0xf, 0x4, 0x4, 0x6, 0x0, 0x1}, 0x3c) socket$rxrpc(0x21, 0x2, 0xa) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f00000000c0)=0x100000001, 0x1d4) connect$inet6(r0, &(0x7f0000000140), 0x1c) bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x5}, 0x3c) bpf$MAP_CREATE(0x2, &(0x7f0000003000)={0x3, 0x0, 0x77fffb, 0x0, 0x10020000000, 0x0, 0x600}, 0x2c) [ 56.687962][ T8220] team0: Port device team_slave_0 added [ 56.695336][ T8220] team0: Port device team_slave_1 added [ 56.708732][ T8223] IPVS: ftp: loaded support on port[0] = 21 [ 56.828377][ T8220] device hsr_slave_0 entered promiscuous mode [ 56.876863][ T8220] device hsr_slave_1 entered promiscuous mode 01:13:45 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x3810c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x6}, 0x0, 0x0, 0x0, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0xb9, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x8000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x200000000000001, 0x0, 0x0, 0x0, 0x0, 0x100}, 0xffffffffffffffff, 0xd, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000700)='/jstat\x00\xc6S\x81\xb4z\xae\xdf*\xf5\xc8\xaf4#\xfcA\x89\x1b\xd2\xa3\xc5m\x8c\x88\xe2\x9b\xadC\xf1\xda\x90n\x85_\xf1\x82\xde\x04\"~\xdc\xbb\xc2\xb1\xdf\x8f\x18\x0e\x15\x8e\x8a\xbdD,\xc0I\xcf\xfd\xa00\xff\'xu\xee\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf52\x14M\x16q\xa6\xcd\xf5\x06\x9e[\xdd\xcf%\xcd\x7f#\x95kJ\x82\xdf\x90\x0f^\xb5v;O\xe8\xccqr\x96-%\x90\xb2\xdc\xa2\xa10\x8c8%A\xb0S\x19M\x90\'\xd8>\xe7\xba.2\x80\x85\x7f\x8f\x9fc\xfc\x90\xba\xe9Y\xc6\xe6px\xbf\x97\xe6\x15\xbf\xd9@\x99\x14\x95\x8a\xad\xcf\xb3ysT<`\xd85&\xe5\xc2g\xf7\xdf\xa5K\xd5$\xcc\x96q\xde\xddfQ\x992+\xda\xde\xe1%\xa3[@\xb7\xbe\f\a0\x1fC\x9a~\xdf\xa2o\xa9\x82w\xc8\a\x8b\x02\xe2\ab\x91\xc37\x87\xc5\x8b\x0e\xab\xbc9(\x8f\xc1\x05\t@\x9d\xe1\b\xf5\xca&\xa8\xc8\xe1\xaf\xb7\v*\x95i\xcf\x8fL\xdbmN\x97\xeb\x7f\xdf$\x1d\xee\x16\x0e`qa\x833\xcc\v\x0e\x8b\xc6\xa1z\v}`EP\xfd\x14\x9a\xd0x\xff\xe5Lc\x92\xfb\xa2\x90\x15\xa3\xaeswL\xd1,\x9c\x0e\xd2Q\xa7\xcf\x84=q-', 0x2761, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r0, 0x4030582a, &(0x7f0000000000)) getsockopt$netrom_NETROM_T1(r0, 0x103, 0x1, &(0x7f0000000200), &(0x7f0000000380)=0x4) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r2, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff0180000008003950323030302e4cc74502f987c2cec6504df6ead74ed8a60ab563e98b4b2a3d27a7082dbb78abd55fba3da80b856445ab100621d623455e1ffb5ea3544438cd89e9b08e3f5972fe9ca162b123e19268c89c9dd81c796f27f537cc5a3fb54aff8eaff4f6b59c41705b96a6711d4679079d00"/137], 0x15) ioctl$EVIOCGMTSLOTS(0xffffffffffffffff, 0x8040450a, 0x0) r3 = dup(r2) write$FUSE_BMAP(r3, &(0x7f0000000100)={0x18}, 0x18) sendmsg$nl_route(r0, &(0x7f0000000980)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x53d00}, 0xc, &(0x7f0000000940)={&(0x7f0000000540)=@getaddr={0x14, 0x16, 0x5accfc850116e8d7, 0x70bd29, 0x25dfdbfc, {}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x20000008) write$FUSE_NOTIFY_RETRIEVE(r3, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000880)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@cache_fscache='cache=fscache'}, {@dfltgid={'dfltgid'}}, {@afid={'afid', 0x3d, 0x200}}, {@afid={'afid'}}, {@aname={'aname', 0x3d, '9p\x00'}}]}}) setxattr$trusted_overlay_upper(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='trusted.overlay.upper\x00', &(0x7f0000000740)={0x0, 0xfb, 0x4c, 0x0, 0x0, "3535612161354c0fb81a15fda9d281b4", "a4d60b5094548af077bcabee2adf4e35466eba17e1aaac20f41178deca0e6663f5edc458c3cbe8b58dd2d47817d51c61f4bdc7d839a191"}, 0x4c, 0x2) [ 56.944102][ T8225] IPVS: ftp: loaded support on port[0] = 21 [ 57.026952][ T8220] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.076703][ T8220] netdevsim netdevsim0 netdevsim1: renamed from eth1 01:13:46 executing program 4: perf_event_open(&(0x7f0000000980)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f00000000c0)=ANY=[@ANYBLOB="b702000000000000bfa30000000000000703000000fefff67a0af0fff8ffffef79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001000000b7050000040000006a0a00fe00000000850000000b000000b7000000000000009500010000000000"], &(0x7f0000000340)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000), 0x10}, 0x32) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000400)={r0, 0x0, 0xe80, 0x0, &(0x7f0000000380)="a6833c15ce9573f3ce05d1a282ee", 0x0, 0x57d}, 0x28) [ 57.168700][ T8220] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.179570][ T8227] IPVS: ftp: loaded support on port[0] = 21 [ 57.283448][ T8220] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.349513][ T8223] chnl_net:caif_netlink_parms(): no params data found [ 57.398306][ T8220] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.405535][ T8220] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.413404][ T8220] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.420534][ T8220] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.443795][ T8230] IPVS: ftp: loaded support on port[0] = 21 01:13:46 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000180)='/dev/mixer\x00', 0x0, 0x0) ioctl$VHOST_GET_FEATURES(r0, 0xc0044dff, &(0x7f00000000c0)) [ 57.492696][ T8223] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.500883][ T8223] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.510703][ T8223] device bridge_slave_0 entered promiscuous mode [ 57.533514][ T8225] chnl_net:caif_netlink_parms(): no params data found [ 57.564852][ T8223] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.574990][ T8223] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.584633][ T8223] device bridge_slave_1 entered promiscuous mode [ 57.603183][ T3063] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.610878][ T3063] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.662359][ T8223] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.676534][ T8223] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.687530][ T8220] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.696590][ T8225] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.703623][ T8225] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.711807][ T8225] device bridge_slave_0 entered promiscuous mode [ 57.739673][ T8234] IPVS: ftp: loaded support on port[0] = 21 [ 57.743306][ T8220] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.754150][ T8225] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.761483][ T8225] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.769293][ T8225] device bridge_slave_1 entered promiscuous mode [ 57.788168][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.798022][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.812144][ T8223] team0: Port device team_slave_0 added [ 57.820458][ T8223] team0: Port device team_slave_1 added [ 57.828570][ T8225] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.847911][ T8227] chnl_net:caif_netlink_parms(): no params data found [ 57.898479][ T8223] device hsr_slave_0 entered promiscuous mode [ 57.946017][ T8223] device hsr_slave_1 entered promiscuous mode [ 58.005864][ T8223] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.014779][ T8225] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.040369][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.048859][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.057380][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.064426][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.072029][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.081255][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.089595][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.096659][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.104065][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.130105][ T8233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.150077][ T8225] team0: Port device team_slave_0 added [ 58.158825][ T8227] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.166947][ T8227] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.174470][ T8227] device bridge_slave_0 entered promiscuous mode [ 58.193099][ T8225] team0: Port device team_slave_1 added [ 58.198982][ T8227] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.206384][ T8227] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.213959][ T8227] device bridge_slave_1 entered promiscuous mode [ 58.308241][ T8225] device hsr_slave_0 entered promiscuous mode [ 58.345947][ T8225] device hsr_slave_1 entered promiscuous mode [ 58.396015][ T8225] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.409113][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.417754][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.426175][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.434437][ T8230] chnl_net:caif_netlink_parms(): no params data found [ 58.445068][ T8227] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.485513][ T8227] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.501207][ T8223] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.557418][ T8223] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.598077][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.607195][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.634111][ T8225] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.693913][ T8223] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.747570][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.756284][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.765448][ T8230] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.772707][ T8230] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.780521][ T8230] device bridge_slave_0 entered promiscuous mode [ 58.815132][ T8227] team0: Port device team_slave_0 added [ 58.821088][ T8225] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.858154][ T8225] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.898202][ T8223] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.937460][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.945919][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.954161][ T8230] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.961355][ T8230] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.969113][ T8230] device bridge_slave_1 entered promiscuous mode [ 58.977867][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.993952][ T8227] team0: Port device team_slave_1 added [ 58.999917][ T8225] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.081954][ T8234] chnl_net:caif_netlink_parms(): no params data found [ 59.107485][ T8230] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.157329][ T8227] device hsr_slave_0 entered promiscuous mode [ 59.195987][ T8227] device hsr_slave_1 entered promiscuous mode [ 59.246210][ T8227] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.259050][ T8230] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.282513][ T8230] team0: Port device team_slave_0 added [ 59.298661][ T8230] team0: Port device team_slave_1 added [ 59.321258][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.328708][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.348843][ T8234] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.357196][ T8234] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.364795][ T8234] device bridge_slave_0 entered promiscuous mode [ 59.381451][ T8220] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.403868][ T8223] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.411921][ T8234] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.419386][ T8234] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.427534][ T8234] device bridge_slave_1 entered promiscuous mode [ 59.487815][ T8230] device hsr_slave_0 entered promiscuous mode [ 59.516042][ T8230] device hsr_slave_1 entered promiscuous mode [ 59.555784][ T8230] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.580573][ T8234] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.610744][ T8234] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.633341][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.641377][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.652229][ T8227] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.722180][ T8227] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.783333][ T8223] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.802599][ T8227] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.857646][ T8227] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 164.845589][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.852381][ C1] rcu: 1-...!: (10499 ticks this GP) idle=e2e/1/0x4000000000000002 softirq=11256/11261 fqs=3 [ 164.862868][ C1] (t=10500 jiffies g=6061 q=55) [ 164.867811][ C1] rcu: rcu_preempt kthread starved for 10494 jiffies! g6061 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.878908][ C1] rcu: RCU grace-period kthread stack dump: [ 164.884786][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.892685][ C1] Call Trace: [ 164.895977][ C1] __schedule+0x9a0/0xcc0 [ 164.900314][ C1] schedule+0x181/0x210 [ 164.904466][ C1] schedule_timeout+0x14f/0x240 [ 164.909307][ C1] ? run_local_timers+0x120/0x120 [ 164.914327][ C1] rcu_gp_kthread+0xed8/0x1770 [ 164.919093][ C1] kthread+0x332/0x350 [ 164.923668][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 164.928951][ C1] ? kthread_blkcg+0xe0/0xe0 [ 164.933569][ C1] ret_from_fork+0x24/0x30 [ 164.938006][ C1] NMI backtrace for cpu 1 [ 164.942333][ C1] CPU: 1 PID: 8190 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 164.949784][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.959830][ C1] Call Trace: [ 164.963199][ C1] [ 164.966044][ C1] dump_stack+0x1fb/0x318 [ 164.970369][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.975218][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.981379][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.987438][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.993416][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.999312][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.004420][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.009609][ C1] ? trace_hardirqs_off+0x74/0x80 [ 165.014648][ C1] update_process_times+0x12d/0x180 [ 165.019851][ C1] tick_sched_timer+0x263/0x420 [ 165.024694][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.030250][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.035472][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.040431][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.045706][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.051499][ C1] apic_timer_interrupt+0xf/0x20 [ 165.056418][ C1] [ 165.059345][ C1] RIP: 0010:mod_memcg_page_state+0x161/0x190 [ 165.065325][ C1] Code: 3c 20 00 74 0c 48 c7 c7 28 96 0a 89 e8 a8 9e 69 00 48 83 3d c8 21 c2 07 00 74 2d e8 99 27 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 <5b> 41 5c 41 5e 41 5f 5d c3 e8 81 27 2e 00 0f 0b e8 7a 27 2e 00 0f [ 165.084938][ C1] RSP: 0018:ffffc90001e47718 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 165.093354][ C1] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff888094a20200 [ 165.101424][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000247e840 [ 165.109384][ C1] RBP: ffffc90001e47738 R08: 000000000003a768 R09: ffffed1014151b27 [ 165.117346][ C1] R10: ffffed1014151b27 R11: 0000000000000000 R12: dffffc0000000000 [ 165.125321][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a0a8d928 [ 165.133296][ C1] ? mod_memcg_page_state+0x123/0x190 [ 165.138675][ C1] ? mod_memcg_page_state+0x123/0x190 [ 165.144036][ C1] free_thread_stack+0x168/0x590 [ 165.148997][ C1] put_task_stack+0xa3/0x130 [ 165.153756][ C1] finish_task_switch+0x3f1/0x550 [ 165.158856][ C1] __schedule+0x9a8/0xcc0 [ 165.163190][ C1] preempt_schedule_irq+0xc1/0x140 [ 165.168295][ C1] retint_kernel+0x1b/0x2b [ 165.172719][ C1] RIP: 0010:smack_inode_init_security+0x1c6/0x490 [ 165.179132][ C1] Code: a6 13 fe 48 c7 c7 c0 4b 0d 89 e8 a5 d9 00 00 e8 70 95 12 fe 89 c3 31 ff 89 c6 e8 d5 11 26 fe 85 db 74 24 80 3d 91 12 ef 05 01 <49> bc 00 00 00 00 00 fc ff df 75 22 e8 19 0e 26 fe eb 4f e8 12 0e [ 165.198733][ C1] RSP: 0018:ffffc90001e47990 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff13 [ 165.207146][ C1] RAX: ffff888094a20200 RBX: 0000000000000001 RCX: 0000000000000000 [ 165.215106][ C1] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 165.223063][ C1] RBP: ffffc90001e479f0 R08: ffffffff83508dcb R09: fffffbfff13c851d [ 165.231021][ C1] R10: fffffbfff13c851d R11: 0000000000000000 R12: ffffffff891ed900 [ 165.238993][ C1] R13: 1ffff11012824b7a R14: ffffc90001e47a30 R15: ffff888094125bd0 [ 165.246968][ C1] ? smack_inode_init_security+0x1bb/0x490 [ 165.252774][ C1] security_inode_init_security+0xfe/0x310 [ 165.258566][ C1] ? shmem_tmpfile+0x100/0x100 [ 165.263335][ C1] shmem_mknod+0xb8/0x1c0 [ 165.267674][ C1] shmem_create+0x2b/0x40 [ 165.271991][ C1] ? shmem_getattr+0x510/0x510 [ 165.276758][ C1] path_openat+0x2236/0x44a0 [ 165.281383][ C1] do_filp_open+0x192/0x3d0 [ 165.285900][ C1] do_sys_open+0x29f/0x560 [ 165.290358][ C1] __x64_sys_open+0x87/0x90 [ 165.294870][ C1] do_syscall_64+0xf7/0x1c0 [ 165.299369][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.305252][ C1] RIP: 0033:0x7f06b5d24120 [ 165.309662][ C1] Code: 48 8b 15 1b 4d 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 83 3d d5 a4 2b 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e 8c 01 00 48 89 04 24 [ 165.329344][ C1] RSP: 002b:00007ffd543fad48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 165.337747][ C1] RAX: ffffffffffffffda RBX: 0000000001a2b290 RCX: 00007f06b5d24120 [ 165.345894][ C1] RDX: 00000000000001b6 RSI: 0000000000080241 RDI: 00007ffd543fb230 [ 165.354118][ C1] RBP: 00007ffd543fadc0 R08: 0000000000000004 R09: 0000000000000001 [ 165.362177][ C1] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004 [ 165.370138][ C1] R13: 0000000000420721 R14: 00007ffd543fae30 R15: 0000000000000001