[ 42.474638][ T23] audit: type=1800 audit(1575465609.944:26): pid=8001 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.518418][ T23] audit: type=1800 audit(1575465609.944:27): pid=8001 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.538531][ T23] audit: type=1800 audit(1575465609.944:28): pid=8001 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. [ 43.151153][ T23] audit: type=1800 audit(1575465610.644:29): pid=8001 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 '10.128.10.19' (ECDSA) to the list of known hosts. 2019/12/04 13:20:17 fuzzer started 2019/12/04 13:20:19 dialing manager at 10.128.0.26:36481 2019/12/04 13:20:19 syscalls: 2691 2019/12/04 13:20:19 code coverage: enabled 2019/12/04 13:20:19 comparison tracing: enabled 2019/12/04 13:20:19 extra coverage: extra coverage is not supported by the kernel 2019/12/04 13:20:19 setuid sandbox: enabled 2019/12/04 13:20:19 namespace sandbox: enabled 2019/12/04 13:20:19 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 13:20:19 fault injection: enabled 2019/12/04 13:20:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 13:20:19 net packet injection: enabled 2019/12/04 13:20:19 net device setup: enabled 2019/12/04 13:20:19 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 13:20:19 devlink PCI setup: PCI device 0000:00:10.0 is not available 13:20:20 executing program 0: syz_mount_image$ext4(&(0x7f00000001c0)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f0000000000)="25bca274769e620aa734f80095e0610687463915e38802a9d8aea872943afd874e4e98b479a7316270146d0e02f8e63ba8863cd7dcc6760253ef", 0x3d0, 0x400}], 0x0, &(0x7f0000000040)={[{@commit={'commit'}}]}) 13:20:20 executing program 1: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f00000001c0)="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", 0x119}], 0x4, 0x0) sendmsg(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x40, 0x0, 0xfffffffffffffc52}, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x20, r0, 0x0, 0x0) syzkaller login: [ 53.305761][ T8167] IPVS: ftp: loaded support on port[0] = 21 13:20:20 executing program 2: r0 = socket$inet(0x2, 0x2000080001, 0x84) setsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000000)={0xfd, 0x81}, 0x8) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f00000000c0)={0x0, 0x200040000000002}, 0x8) sendmsg(r0, &(0x7f000001afc8)={&(0x7f0000006000)=@in={0x2, 0x4e20, @loopback}, 0x80, &(0x7f0000007f80)=[{&(0x7f00000001c0)='*', 0x1}], 0x1}, 0x0) [ 53.440838][ T8169] IPVS: ftp: loaded support on port[0] = 21 [ 53.493935][ T8167] chnl_net:caif_netlink_parms(): no params data found [ 53.630892][ T8167] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.638674][ T8167] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.646762][ T8167] device bridge_slave_0 entered promiscuous mode [ 53.670632][ T8172] IPVS: ftp: loaded support on port[0] = 21 [ 53.681452][ T8169] chnl_net:caif_netlink_parms(): no params data found [ 53.708543][ T8167] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.715650][ T8167] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.726444][ T8167] device bridge_slave_1 entered promiscuous mode 13:20:21 executing program 3: unshare(0x8000400) r0 = open(&(0x7f0000000200)='./file0\x00', 0x4008040, 0x0) close(r0) shutdown(r0, 0x0) [ 53.793130][ T8167] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.827818][ T8167] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.840004][ T8169] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.847631][ T8169] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.855636][ T8169] device bridge_slave_0 entered promiscuous mode [ 53.890584][ T8169] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.900985][ T8169] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.909770][ T8169] device bridge_slave_1 entered promiscuous mode [ 53.970485][ T8167] team0: Port device team_slave_0 added [ 53.977950][ T8169] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.992977][ T8172] chnl_net:caif_netlink_parms(): no params data found [ 54.010484][ T8169] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.022154][ T8167] team0: Port device team_slave_1 added [ 54.058566][ T8176] IPVS: ftp: loaded support on port[0] = 21 13:20:21 executing program 4: sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0xfffffffffffffff3, &(0x7f0000000100)={&(0x7f0000000700)=ANY=[@ANYBLOB="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"/734, @ANYRESOCT], 0x20}, 0x1, 0x0, 0x0, 0x20000806}, 0x0) r0 = socket(0x10, 0x800000000080003, 0x0) sendmmsg$alg(r0, &(0x7f0000000140)=[{0x0, 0xd2efff7f00000000, &(0x7f0000000100), 0xa, &(0x7f0000000100)}], 0x492492492492805, 0x0) [ 54.094622][ T8169] team0: Port device team_slave_0 added [ 54.121124][ T8172] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.130119][ T8172] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.139168][ T8172] device bridge_slave_0 entered promiscuous mode [ 54.150269][ T8169] team0: Port device team_slave_1 added [ 54.201123][ T8167] device hsr_slave_0 entered promiscuous mode [ 54.257449][ T8167] device hsr_slave_1 entered promiscuous mode [ 54.311346][ T8172] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.319746][ T8172] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.330384][ T8172] device bridge_slave_1 entered promiscuous mode 13:20:21 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000080)='TIPCv2\x00') sendmsg$TIPC_NL_MEDIA_SET(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000000c0)={0x34, r1, 0x4ad9a35f19676c2f, 0x0, 0x0, {}, [@TIPC_NLA_MEDIA={0x20, 0x5, [@TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'ib\x00'}, @TIPC_NLA_MEDIA_PROP={0x14, 0x2, [@TIPC_NLA_PROP_PRIO={0x8}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0xe75}]}]}]}, 0x34}}, 0x0) [ 54.362015][ T8178] IPVS: ftp: loaded support on port[0] = 21 [ 54.409654][ T8169] device hsr_slave_0 entered promiscuous mode [ 54.457428][ T8169] device hsr_slave_1 entered promiscuous mode [ 54.517454][ T8169] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.587474][ T8172] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.601433][ T8167] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.610195][ T8180] IPVS: ftp: loaded support on port[0] = 21 [ 54.671244][ T8167] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.721455][ T8167] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.781822][ T8167] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.839878][ T8172] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.864461][ T8172] team0: Port device team_slave_0 added [ 54.883486][ T8172] team0: Port device team_slave_1 added [ 54.969873][ T8172] device hsr_slave_0 entered promiscuous mode [ 55.037388][ T8172] device hsr_slave_1 entered promiscuous mode [ 55.077204][ T8172] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.100021][ T8169] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 55.160638][ T8169] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 55.248939][ T8169] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 55.339719][ T8176] chnl_net:caif_netlink_parms(): no params data found [ 55.359770][ T8169] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 55.453192][ T8172] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 55.506902][ T8172] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 55.560859][ T8172] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 55.618769][ T8176] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.626029][ T8176] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.634125][ T8176] device bridge_slave_0 entered promiscuous mode [ 55.645403][ T8176] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.654373][ T8176] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.663344][ T8176] device bridge_slave_1 entered promiscuous mode [ 55.682636][ T8172] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 55.751859][ T8176] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.763687][ T8176] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.789653][ T8178] chnl_net:caif_netlink_parms(): no params data found [ 55.810114][ T8176] team0: Port device team_slave_0 added [ 55.833650][ T8176] team0: Port device team_slave_1 added [ 55.919480][ T8176] device hsr_slave_0 entered promiscuous mode [ 55.967571][ T8176] device hsr_slave_1 entered promiscuous mode [ 56.007640][ T8176] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.032882][ T8178] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.040508][ T8178] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.049780][ T8178] device bridge_slave_0 entered promiscuous mode [ 56.073999][ T8167] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.089884][ T8178] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.097276][ T8178] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.105062][ T8178] device bridge_slave_1 entered promiscuous mode [ 56.126559][ T8178] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.138841][ T8169] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.150786][ T8178] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.176442][ T8167] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.194335][ T8180] chnl_net:caif_netlink_parms(): no params data found [ 56.206105][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.215205][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.224031][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.231741][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.240322][ T8176] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 56.305870][ T8169] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.321404][ T8178] team0: Port device team_slave_0 added [ 56.327455][ T8176] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 56.380582][ T8176] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 56.439667][ T8176] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 56.496872][ T8178] team0: Port device team_slave_1 added [ 56.509640][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.518747][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.527543][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.534742][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.542838][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.552385][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.561057][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.568174][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.576893][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.585375][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.593759][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.602523][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.612240][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.619395][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.663019][ T8180] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.670486][ T8180] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.679684][ T8180] device bridge_slave_0 entered promiscuous mode [ 56.695589][ T8172] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.703617][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.712577][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.721201][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.728299][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.735748][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.761639][ T8180] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.770631][ T8180] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.780793][ T8180] device bridge_slave_1 entered promiscuous mode [ 56.800096][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.809742][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.820779][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.829509][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.838339][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.846829][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.855835][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.899547][ T8178] device hsr_slave_0 entered promiscuous mode [ 56.947542][ T8178] device hsr_slave_1 entered promiscuous mode [ 56.997235][ T8178] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.012113][ T8180] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.029189][ T8180] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.040954][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.051548][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.061077][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.069881][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.079573][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.089837][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.103647][ T8169] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.116095][ T8169] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.132395][ T8172] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.153050][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.161820][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.172162][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.180197][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.188507][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.198259][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.206704][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.215278][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.246507][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.255970][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.264746][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.273040][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.281146][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.292624][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.301370][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.308502][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.323208][ T8180] team0: Port device team_slave_0 added [ 57.333854][ T8167] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.346431][ T8167] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.354383][ T8178] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.411111][ T8178] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 57.471373][ T8178] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 57.530607][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.538642][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.546999][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.555509][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.563757][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.572193][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.587683][ T8180] team0: Port device team_slave_1 added [ 57.606970][ T8167] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.615414][ T8178] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 57.650657][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.659431][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.667259][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.677362][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.686028][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.715004][ T8176] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.723652][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.734021][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.743502][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.752757][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.761298][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.769904][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.778536][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.805670][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.819592][ T8169] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.859170][ T8180] device hsr_slave_0 entered promiscuous mode [ 57.912971][ T8180] device hsr_slave_1 entered promiscuous mode [ 57.967304][ T8180] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.987878][ T8176] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.046091][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.056999][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.064893][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.073662][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.082049][ T8190] EXT4-fs: Warning: mounting with data=journal disables delayed allocation and O_DIRECT support! [ 58.082073][ T8190] EXT4-fs (loop0): Unsupported filesystem blocksize 0 (1923657432 log_block_size) [ 58.103054][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.110191][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.118234][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.127119][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.135596][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.142770][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.156663][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.224258][ T8172] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 163.097038][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.103838][ C1] rcu: 1-...!: (1 GPs behind) idle=306/1/0x4000000000000002 softirq=10491/10494 fqs=37 [ 163.113800][ C1] (t=10500 jiffies g=6297 q=396) [ 163.118814][ C1] rcu: rcu_preempt kthread starved for 10422 jiffies! g6297 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 163.130005][ C1] rcu: RCU grace-period kthread stack dump: [ 163.135880][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 163.143764][ C1] Call Trace: [ 163.147049][ C1] __schedule+0x9a0/0xcc0 [ 163.151475][ C1] schedule+0x181/0x210 [ 163.155633][ C1] schedule_timeout+0x14f/0x240 [ 163.160470][ C1] ? run_local_timers+0x120/0x120 [ 163.165488][ C1] rcu_gp_kthread+0xed8/0x1770 [ 163.170249][ C1] kthread+0x332/0x350 [ 163.174314][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 163.179414][ C1] ? kthread_blkcg+0xe0/0xe0 [ 163.183989][ C1] ret_from_fork+0x24/0x30 [ 163.188422][ C1] NMI backtrace for cpu 1 [ 163.192737][ C1] CPU: 1 PID: 8139 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 163.200173][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.210212][ C1] Call Trace: [ 163.213502][ C1] [ 163.216364][ C1] dump_stack+0x1fb/0x318 [ 163.220714][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.225568][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.231720][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.237776][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 163.243744][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 163.249623][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 163.254728][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 163.260358][ C1] ? trace_hardirqs_off+0x74/0x80 [ 163.265369][ C1] update_process_times+0x12d/0x180 [ 163.270586][ C1] tick_sched_timer+0x263/0x420 [ 163.275437][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.280970][ C1] __hrtimer_run_queues+0x403/0x840 [ 163.286172][ C1] hrtimer_interrupt+0x38c/0xda0 [ 163.291124][ C1] ? debug_smp_processor_id+0x9/0x20 [ 163.296404][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 163.301937][ C1] apic_timer_interrupt+0xf/0x20 [ 163.306857][ C1] [ 163.309783][ C1] RIP: 0010:free_thread_stack+0x16d/0x590 [ 163.315490][ C1] Code: c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 25 a0 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 09 a0 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 163.335358][ C1] RSP: 0018:ffffc90001ee7ab0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 163.343762][ C1] RAX: ffffffff81487433 RBX: ffff88808c685d08 RCX: ffff8880a44d4080 [ 163.352257][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000291a100 [ 163.360231][ C1] RBP: ffffc90001ee7ae8 R08: dffffc0000000000 R09: fffffbfff120248a [ 163.368188][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88808c685da0 [ 163.376148][ C1] R13: dffffc0000000000 R14: 1ffff110118d0bb4 R15: ffff888093b53828 [ 163.384122][ C1] ? mod_memcg_page_state+0x123/0x190 [ 163.389489][ C1] put_task_stack+0xa3/0x130 [ 163.394069][ C1] finish_task_switch+0x3f1/0x550 [ 163.399108][ C1] __schedule+0x9a8/0xcc0 [ 163.404164][ C1] ? ___preempt_schedule+0x16/0x18 [ 163.409261][ C1] preempt_schedule+0xdb/0x120 [ 163.414043][ C1] ___preempt_schedule+0x16/0x18 [ 163.418968][ C1] ? __wake_up+0xe1/0x150 [ 163.423294][ C1] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 163.428914][ C1] __wake_up+0xe1/0x150 [ 163.433126][ C1] fsnotify_add_event+0x2fc/0x390 [ 163.438146][ C1] inotify_handle_event+0x409/0x620 [ 163.443337][ C1] inotify_ignored_and_remove_idr+0x95/0x110 [ 163.449483][ C1] inotify_freeing_mark+0x1d/0x30 [ 163.454505][ C1] ? inotify_free_group_priv+0x80/0x80 [ 163.460144][ C1] fsnotify_destroy_mark+0x131/0x190 [ 163.465452][ C1] __se_sys_inotify_rm_watch+0x165/0x230 [ 163.471093][ C1] __x64_sys_inotify_rm_watch+0x5b/0x70 [ 163.476639][ C1] do_syscall_64+0xf7/0x1c0 [ 163.481145][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.487205][ C1] RIP: 0033:0x7f55b85aea97 [ 163.491613][ C1] Code: 73 01 c3 48 8b 0d a1 83 2a 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 b8 ff 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 71 83 2a 00 31 d2 48 29 c2 64 [ 163.511208][ C1] RSP: 002b:00007fff39094038 EFLAGS: 00000293 ORIG_RAX: 00000000000000ff [ 163.519606][ C1] RAX: ffffffffffffffda RBX: 0000000001232520 RCX: 00007f55b85aea97 [ 163.527569][ C1] RDX: 0000000000000007 RSI: 0000000000000020 RDI: 0000000000000006 [ 163.535874][ C1] RBP: 0000000001219250 R08: 00007f55b8e9a7a0 R09: 0000000000000000 [ 163.543854][ C1] R10: 000000000121b8c0 R11: 0000000000000293 R12: 0000000000000020 [ 163.551936][ C1] R13: 0000000000625500 R14: 0000000001219250 R15: 000000000000000b