[ 43.842246][ T23] audit: type=1800 audit(1575326463.390:25): pid=8048 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.873121][ T23] audit: type=1800 audit(1575326463.390:26): pid=8048 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.906235][ T23] audit: type=1800 audit(1575326463.400:27): pid=8048 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.948174][ T23] audit: type=1800 audit(1575326463.400:28): pid=8048 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts. 2019/12/02 22:41:14 fuzzer started 2019/12/02 22:41:15 dialing manager at 10.128.0.26:38907 2019/12/02 22:41:15 syscalls: 2697 2019/12/02 22:41:15 code coverage: enabled 2019/12/02 22:41:15 comparison tracing: enabled 2019/12/02 22:41:15 extra coverage: extra coverage is not supported by the kernel 2019/12/02 22:41:15 setuid sandbox: enabled 2019/12/02 22:41:15 namespace sandbox: enabled 2019/12/02 22:41:15 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/02 22:41:15 fault injection: enabled 2019/12/02 22:41:15 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/02 22:41:15 net packet injection: enabled 2019/12/02 22:41:15 net device setup: enabled 2019/12/02 22:41:15 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/02 22:41:15 devlink PCI setup: PCI device 0000:00:10.0 is not available 22:41:16 executing program 0: bind$inet(0xffffffffffffffff, &(0x7f0000000200)={0x2, 0x0, @multicast2}, 0x10) perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0xb8, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x52, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000140), 0x8}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clone(0x2102001ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x6a5}) creat(0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x10}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$vcsa(&(0x7f0000000240)='/dev/vcsa#\x00', 0x3, 0x0) r1 = syz_open_dev$evdev(0xfffffffffffffffd, 0x0, 0x0) readv(r1, &(0x7f0000019fe0)=[{&(0x7f00008ec000)=""/219, 0x30}], 0x10000000000003c3) 22:41:17 executing program 1: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) r1 = socket$inet_dccp(0x2, 0x6, 0x0) listen(r0, 0x6) connect$inet(r1, &(0x7f0000e5c000)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}, 0x10) sendmmsg(r1, &(0x7f0000004c00)=[{{0x0, 0x0, &(0x7f0000001380)=[{0x0}, {&(0x7f00000011c0)='Q', 0xffc3}, {0x0}, {0x0}, {0x0}], 0x5, &(0x7f0000002580)=[{0x10}], 0x10}}, {{&(0x7f0000001400)=@ipx={0x4, 0x0, 0x0, "f4f5cebbf67a"}, 0x80, &(0x7f0000002980)=[{&(0x7f0000001480)="c4", 0x1}, {0x0}, {0x0}], 0x3, &(0x7f0000002a00)=[{0x10}], 0x10}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000003f00)=[{0x10}], 0x3b0}}, {{0x0, 0x0, &(0x7f0000004bc0)=[{0x0}, {&(0x7f0000004a40)="87", 0x1}], 0x2}}], 0x4, 0x0) syzkaller login: [ 57.523786][ T8215] IPVS: ftp: loaded support on port[0] = 21 22:41:17 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8919, &(0x7f0000000180)={{0x2, 0x0, @local}, {0x20000010304, @local}, 0x0, {0x2, 0x0, @local}, '\xf9\xff\x80\x00\x00\x00\x00\x00\x00\x00\x15\x0e\x00'}) [ 57.690092][ T8218] IPVS: ftp: loaded support on port[0] = 21 [ 57.695667][ T8215] chnl_net:caif_netlink_parms(): no params data found [ 57.815566][ T8215] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.838184][ T8215] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.846089][ T8215] device bridge_slave_0 entered promiscuous mode [ 57.861235][ T8215] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.868755][ T8215] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.876732][ T8215] device bridge_slave_1 entered promiscuous mode [ 57.900212][ T8220] IPVS: ftp: loaded support on port[0] = 21 [ 57.954328][ T8215] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.976945][ T8218] chnl_net:caif_netlink_parms(): no params data found 22:41:17 executing program 3: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='memory.events\x00&\x86\x17x+y\xa5\xa8\x1e\xea/=\x9f\xdf\xa1y\xd0\x13\xe6T$\xb1\xfd2\xd76\xc0\xc3\xb2{\xbf\xb2\x14\xf6\x8a\xc8\x9c\x89\xa0b\x10\"\xe40\x93#\\\xcd\xb0aP,\xff\x9f\f\x89\xb9\xa9\xe2\xd6\t\"\f\xde\x00oO:\xba\x14\xdc\xe7H=\xb6\xfb\x96%\xc1\x95\xb4\xad\x98\x870\x92\xb0en{\xea\xdc\xa9+\xbb\xd7\x01\x03d\xb9\x92L\xaf\xe8\t\x80R*1\x12\x10\x9a\x01\xb2\xa2lLN\xde\xd6\xed\xa5\x06\xc5\xad\x8fs \'\v\xc3\x10#\x9f\x90\xe3Q\xc7\xf3;l\xe8{\x19\xc33v\xc35\xde^T&\xee\xd1\x90L\x87\xcb\xc8.\x1c\xae?\xf5\xd9\x9d\x98\"g\xf3\xa7gVv<\x92\t\xe0\xd5\xc8\xca\xda\xe4N\xc9p\x82\x1f=6\x1e\x92\xb9\xd6!.\xb0\xa5\xfcp\n\xd4J\x05n\x101oC\xb6', 0x275a, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='\\\xa5\x02#I\xd8\xe3!7c\xf3\xccg\xc8\x97M taZ\x00', 0x275a, 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000040)) ioctl$EXT4_IOC_MOVE_EXT(r0, 0xc028660f, &(0x7f00000000c0)={0x0, r1}) [ 58.001562][ T8215] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.073640][ T8218] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.081849][ T8218] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.090034][ T8218] device bridge_slave_0 entered promiscuous mode [ 58.100257][ T8215] team0: Port device team_slave_0 added [ 58.106135][ T8218] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.113754][ T8218] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.122872][ T8218] device bridge_slave_1 entered promiscuous mode [ 58.136216][ T8215] team0: Port device team_slave_1 added 22:41:17 executing program 4: r0 = socket$inet6(0xa, 0x80002, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@mcast2, 0x800, 0x0, 0x3, 0x100000000000001}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000040)={@mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa4ffffff]}, 0x800, 0x0, 0x40000003}, 0x20) [ 58.230711][ T8215] device hsr_slave_0 entered promiscuous mode [ 58.270488][ T8215] device hsr_slave_1 entered promiscuous mode [ 58.319765][ T8218] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.362247][ T8218] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.392965][ T8223] IPVS: ftp: loaded support on port[0] = 21 [ 58.459603][ T8218] team0: Port device team_slave_0 added [ 58.484221][ T8220] chnl_net:caif_netlink_parms(): no params data found [ 58.494845][ T8218] team0: Port device team_slave_1 added [ 58.521426][ T8226] IPVS: ftp: loaded support on port[0] = 21 [ 58.572284][ T8215] netdevsim netdevsim0 netdevsim0: renamed from eth0 22:41:18 executing program 5: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x2001000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr-blowfish-asm\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000412ff8)="3665a1ab", 0x4) r2 = accept(r1, 0x0, 0x0) sendto$x25(r2, &(0x7f0000000100)="df49f9d49c7f4c52fd992df3fbce33e816afeaaf4017327c", 0xfffffffffffffdcb, 0x0, 0x0, 0xcb) recvmsg$can_bcm(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f0000000140)=""/91, 0x5b}, {&(0x7f0000000900)=""/4096, 0x1000}], 0x2}, 0x0) [ 58.650155][ T8215] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.770972][ T8218] device hsr_slave_0 entered promiscuous mode [ 58.808542][ T8218] device hsr_slave_1 entered promiscuous mode [ 58.848333][ T8218] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.870550][ T8215] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.924125][ T8215] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.004492][ T8220] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.014521][ T8220] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.016448][ T8228] IPVS: ftp: loaded support on port[0] = 21 [ 59.032967][ T8220] device bridge_slave_0 entered promiscuous mode [ 59.088239][ T8220] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.088266][ T8220] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.103352][ T8220] device bridge_slave_1 entered promiscuous mode [ 59.124571][ T8220] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.141066][ T8218] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.201652][ T8218] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.250359][ T8218] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.291209][ T8218] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.351988][ T8220] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.393196][ T8223] chnl_net:caif_netlink_parms(): no params data found [ 59.429527][ T8220] team0: Port device team_slave_0 added [ 59.439860][ T8220] team0: Port device team_slave_1 added [ 59.448997][ T8223] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.456065][ T8223] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.463976][ T8223] device bridge_slave_0 entered promiscuous mode [ 59.473527][ T8223] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.480821][ T8223] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.489668][ T8223] device bridge_slave_1 entered promiscuous mode [ 59.511988][ T8223] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.545305][ T8223] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.631523][ T8220] device hsr_slave_0 entered promiscuous mode [ 59.668513][ T8220] device hsr_slave_1 entered promiscuous mode [ 59.708902][ T8220] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.720038][ T8223] team0: Port device team_slave_0 added [ 59.780140][ T8223] team0: Port device team_slave_1 added [ 59.790440][ T8226] chnl_net:caif_netlink_parms(): no params data found [ 59.827323][ T8228] chnl_net:caif_netlink_parms(): no params data found [ 59.846586][ T8215] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.896298][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.905181][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.915510][ T8215] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.933056][ T8220] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.010897][ T8223] device hsr_slave_0 entered promiscuous mode [ 60.058520][ T8223] device hsr_slave_1 entered promiscuous mode [ 60.098231][ T8223] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.115813][ T8226] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.123324][ T8226] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.131568][ T8226] device bridge_slave_0 entered promiscuous mode [ 60.140116][ T8226] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.147196][ T8226] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.155151][ T8226] device bridge_slave_1 entered promiscuous mode [ 60.167317][ T8220] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.213347][ T8220] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.252092][ T8220] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.333799][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.343985][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.352767][ T2978] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.360248][ T2978] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.371252][ T8218] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.385793][ T8226] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.402063][ T8228] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.411078][ T8228] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.419234][ T8228] device bridge_slave_0 entered promiscuous mode [ 60.438852][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.447381][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.456331][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.465231][ T2978] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.472527][ T2978] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.481561][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.492160][ T8226] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.524101][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.535944][ T8228] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.543325][ T8228] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.551353][ T8228] device bridge_slave_1 entered promiscuous mode [ 60.566434][ T8218] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.578245][ T8226] team0: Port device team_slave_0 added [ 60.614136][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.622312][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.640740][ T8226] team0: Port device team_slave_1 added [ 60.653793][ T8228] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.666317][ T8223] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.732390][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.741521][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.751014][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.758176][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.765719][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.774685][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.783348][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.792692][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.801254][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.808607][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.816484][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.825188][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.833684][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.842370][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.850636][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.910985][ T8226] device hsr_slave_0 entered promiscuous mode [ 60.948565][ T8226] device hsr_slave_1 entered promiscuous mode [ 60.988291][ T8226] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.999881][ T8228] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.009795][ T8223] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.042306][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.050447][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.059036][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.067492][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.076564][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.088857][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.116327][ T8223] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.150132][ T8223] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.192175][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.201877][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.210799][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.219736][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.228228][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.236508][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.245048][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.280719][ T8228] team0: Port device team_slave_0 added [ 61.289098][ T8228] team0: Port device team_slave_1 added [ 61.298841][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.307142][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.317353][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.324947][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.336347][ T8220] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.346133][ T8218] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.386471][ T8220] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.398907][ T8215] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.414965][ T8226] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.470353][ T8226] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.511709][ T8226] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.601135][ T8228] device hsr_slave_0 entered promiscuous mode [ 61.638507][ T8228] device hsr_slave_1 entered promiscuous mode [ 61.678333][ T8228] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.686484][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.695000][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.718240][ T8226] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 166.748051][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.754920][ C0] rcu: 0-...!: (10499 ticks this GP) idle=c4e/1/0x4000000000000002 softirq=11217/11217 fqs=43 [ 166.765503][ C0] (t=10501 jiffies g=6489 q=121) [ 166.770522][ C0] rcu: rcu_preempt kthread starved for 10416 jiffies! g6489 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.781618][ C0] rcu: RCU grace-period kthread stack dump: [ 166.787527][ C0] rcu_preempt R running task 29048 10 2 0x80004000 [ 166.795459][ C0] Call Trace: [ 166.798755][ C0] __schedule+0x9a0/0xcc0 [ 166.803095][ C0] schedule+0x181/0x210 [ 166.807440][ C0] schedule_timeout+0x14f/0x240 [ 166.812301][ C0] ? run_local_timers+0x120/0x120 [ 166.817326][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.822095][ C0] kthread+0x332/0x350 [ 166.826155][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.831266][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.835864][ C0] ret_from_fork+0x24/0x30 [ 166.840296][ C0] NMI backtrace for cpu 0 [ 166.844629][ C0] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-syzkaller #0 [ 166.852432][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.862512][ C0] Workqueue: rcu_gp process_srcu [ 166.867454][ C0] Call Trace: [ 166.870737][ C0] [ 166.873593][ C0] dump_stack+0x1fb/0x318 [ 166.877931][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.882792][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.888951][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.895020][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.901006][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.906893][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.912007][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.917206][ C0] ? trace_hardirqs_off+0x74/0x80 [ 166.922232][ C0] update_process_times+0x12d/0x180 [ 166.927626][ C0] tick_sched_timer+0x263/0x420 [ 166.932498][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.938038][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.943259][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.948208][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.953577][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.959118][ C0] apic_timer_interrupt+0xf/0x20 [ 166.964039][ C0] [ 166.966972][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x50 [ 166.973115][ C0] Code: 00 00 00 48 8b 3d 34 e7 cc 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 [ 166.992711][ C0] RSP: 0018:ffffc90000d2f8f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.001111][ C0] RAX: ffffffff81486ea4 RBX: ffffea00023d3440 RCX: ffff8880a9dee300 [ 167.009070][ C0] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea00023d3440 [ 167.017034][ C0] RBP: ffffc90000d2f930 R08: dffffc0000000000 R09: fffffbfff120248a [ 167.024997][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88806c07e420 [ 167.032967][ C0] R13: dffffc0000000000 R14: 1ffff1100d80fc84 R15: ffff8880a86c76e8 [ 167.040965][ C0] ? free_thread_stack+0x124/0x590 [ 167.046070][ C0] ? free_thread_stack+0x124/0x590 [ 167.051172][ C0] put_task_stack+0xa3/0x130 [ 167.055760][ C0] finish_task_switch+0x3f1/0x550 [ 167.060781][ C0] __schedule+0x9a8/0xcc0 [ 167.065128][ C0] preempt_schedule_irq+0xc1/0x140 [ 167.070233][ C0] retint_kernel+0x1b/0x2b [ 167.074639][ C0] RIP: 0010:delay_tsc+0x96/0xf0 [ 167.079479][ C0] Code: fb 41 89 c7 0f 01 f9 66 90 49 89 d4 49 c1 e4 20 49 09 c4 eb 29 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 a8 01 75 ca f3 90 01 00 00 00 e8 60 cd 6f f9 e8 6b ef af fb 41 39 c7 75 bb 0f 01 [ 167.099074][ C0] RSP: 0018:ffffc90000d2fb48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.107479][ C0] RAX: 0000000080000000 RBX: 000000000000066f RCX: 0000000000000001 [ 167.115442][ C0] RDX: 0000000000000023 RSI: 0000000000000001 RDI: 0000000000000001 [ 167.123404][ C0] RBP: ffffc90000d2fb68 R08: ffffffff83932427 R09: fffffbfff14556fd [ 167.131366][ C0] R10: fffffbfff14556fd R11: 0000000000000000 R12: 00000023ad364716 [ 167.139326][ C0] R13: 0000000000000000 R14: 0000000000002ced R15: 0000000000000000 [ 167.147308][ C0] ? check_preemption_disabled+0x37/0x260 [ 167.153026][ C0] ? delay_tsc+0xc6/0xf0 [ 167.157265][ C0] __const_udelay+0x5e/0x70 [ 167.161762][ C0] try_check_zero+0x6e/0x380 [ 167.166365][ C0] process_srcu+0x1b7/0xd20 [ 167.170878][ C0] process_one_work+0x7ef/0x10d0 [ 167.175832][ C0] worker_thread+0xc01/0x1630 [ 167.180537][ C0] kthread+0x332/0x350 [ 167.184596][ C0] ? rcu_lock_release+0x30/0x30 [ 167.189437][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.194020][ C0] ret_from_fork+0x24/0x30