[ 41.112295][ T25] audit: type=1800 audit(1575363204.200:27): pid=7860 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.135049][ T25] audit: type=1800 audit(1575363204.200:28): pid=7860 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. [ 41.630957][ T25] audit: type=1800 audit(1575363204.790:29): pid=7860 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 41.651539][ T25] audit: type=1800 audit(1575363204.810:30): pid=7860 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.237' (ECDSA) to the list of known hosts. 2019/12/03 08:53:34 fuzzer started 2019/12/03 08:53:35 dialing manager at 10.128.0.26:38907 2019/12/03 08:53:35 syscalls: 2697 2019/12/03 08:53:35 code coverage: enabled 2019/12/03 08:53:35 comparison tracing: enabled 2019/12/03 08:53:35 extra coverage: extra coverage is not supported by the kernel 2019/12/03 08:53:35 setuid sandbox: enabled 2019/12/03 08:53:35 namespace sandbox: enabled 2019/12/03 08:53:35 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 08:53:35 fault injection: enabled 2019/12/03 08:53:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 08:53:35 net packet injection: enabled 2019/12/03 08:53:35 net device setup: enabled 2019/12/03 08:53:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 08:53:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:53:36 executing program 0: set_mempolicy(0x4003, &(0x7f0000000000)=0x5, 0x2) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'pcbc(fcrypt)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000412ff8)="3665a1ab415b7ac7", 0x8) r1 = accept(r0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x20, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) recvmsg(r1, &(0x7f000000b680)={0x0, 0x0, &(0x7f000000b600)=[{&(0x7f000000b4c0)=""/5, 0x5}, {&(0x7f000000b500)=""/153, 0x7fffeffb}], 0x2}, 0x0) 08:53:36 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x3, 0x5, &(0x7f0000000200)=ANY=[@ANYBLOB="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"], &(0x7f0000000140)='vS\xfdIG|\x8aL[\xf2\'\x9c\xea\xb1\xc0\xb1\x19\x91\x9d/Q\xd9\xe3T\xce\xdax;\x02%\xc5\x1c\xd5GA\xad[(\xbblZ\x01\x1dF\x92#]%sj\xd0i\xc6C\x1f&\xe2\xc5\xa5z\x7f\xe1 \xfb\xc27\x03\x84\x8e\xef\x82-\xfc$$\xaf\v\xbd\x95\x1e\x0f\xbeVI\xec\r!\f\x86\xf5\xfb[Y\x1e\xd4\xdfc\xb1\xc8\xa2\xc1/5\xffr\x1f\x80@\xb8F\xea\xde\x93\xa1\xcb6\xee\xf2\xce\x95\xf2\xfdxR\x17F\xad\xc1~\xa2\x97=O^o\"\xbb\xa8\x9746'}, 0x48) syzkaller login: [ 53.759295][ T8023] IPVS: ftp: loaded support on port[0] = 21 08:53:37 executing program 2: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e20}, 0x1c) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000000240)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) recvmmsg(r0, &(0x7f0000008880), 0x45b, 0x44000102, 0x0) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) [ 53.890606][ T8025] IPVS: ftp: loaded support on port[0] = 21 [ 53.906149][ T8023] chnl_net:caif_netlink_parms(): no params data found [ 54.013043][ T8023] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.023552][ T8023] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.041546][ T8023] device bridge_slave_0 entered promiscuous mode [ 54.063372][ T8023] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.080421][ T8023] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.088353][ T8023] device bridge_slave_1 entered promiscuous mode [ 54.114015][ T8028] IPVS: ftp: loaded support on port[0] = 21 08:53:37 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c5, 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, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000440)={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}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2b8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000000)={0x1, {{0xa, 0x0, 0x0, @mcast2}}, {{0xa, 0x0, 0x0, @ipv4={[], [], @multicast2}}}}, 0x124) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r1, &(0x7f0000000100), 0x18d, 0x6c00) [ 54.166861][ T8023] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.196453][ T8023] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.220033][ T8025] chnl_net:caif_netlink_parms(): no params data found [ 54.303002][ T8023] team0: Port device team_slave_0 added [ 54.331102][ T8023] team0: Port device team_slave_1 added 08:53:37 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000140)='TIPC\x00') sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000004c0)={0x1c, r1, 0xd5bf98d0fc1ca92f, 0x0, 0x0, {{}, 0x0, 0x800b, 0x0, {0x8}}}, 0x24}}, 0x0) [ 54.401780][ T8025] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.408935][ T8025] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.429643][ T8025] device bridge_slave_0 entered promiscuous mode [ 54.473205][ T8023] device hsr_slave_0 entered promiscuous mode [ 54.502341][ T8023] device hsr_slave_1 entered promiscuous mode [ 54.563828][ T8025] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.571686][ T8025] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.579843][ T8025] device bridge_slave_1 entered promiscuous mode [ 54.597188][ T8033] IPVS: ftp: loaded support on port[0] = 21 [ 54.612851][ T8031] IPVS: ftp: loaded support on port[0] = 21 08:53:37 executing program 5: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x1, 0x3, &(0x7f0000001fd8)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x2f, 0x25}}, &(0x7f0000000000)='PL \x00L\xf7\xd1*\xf1\x1c\xe9%7\xb5\xe3\x19\x1ef\xde]N\xc1\x8eL-\xf0\x14\x84\xa8mw\x84/bIF\xea\xe3\x10yL\x8c\x96\xff\x14f#.%\x95\x119\xbd\xa5\xd2\x99\x0eR?\x8e\xc3\b\x0f\xfc\x12$\xd8\xdcL\x84\xa9\xc8\xe8\xab1Wh\x06qU#\xfat\x9e\x86\x15\xc6\x10I\xb8\xb1\xbej\xa7t\a\x02\xccZ\xdd', 0x1, 0x5ed, &(0x7f000000cf3d)=""/195}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000180)={r0, 0x0, 0xe, 0x2e, &(0x7f0000000080)="9220d6478fc6a67c975c69f8c328", &(0x7f00000000c0)=""/46, 0x8001}, 0x28) [ 54.675191][ T8028] chnl_net:caif_netlink_parms(): no params data found [ 54.696104][ T8025] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.732977][ T8023] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.810086][ T8025] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.828384][ T8023] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.874304][ T8023] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.933790][ T8023] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.002320][ T8025] team0: Port device team_slave_0 added [ 55.009681][ T8025] team0: Port device team_slave_1 added [ 55.036721][ T8036] IPVS: ftp: loaded support on port[0] = 21 [ 55.074789][ T8028] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.082782][ T8028] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.092004][ T8028] device bridge_slave_0 entered promiscuous mode [ 55.100120][ T8028] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.107410][ T8028] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.115397][ T8028] device bridge_slave_1 entered promiscuous mode [ 55.146950][ T8028] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.191985][ T8025] device hsr_slave_0 entered promiscuous mode [ 55.230606][ T8025] device hsr_slave_1 entered promiscuous mode [ 55.270512][ T8025] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.284320][ T8028] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.331138][ T8028] team0: Port device team_slave_0 added [ 55.367666][ T8028] team0: Port device team_slave_1 added [ 55.414983][ T8023] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.452136][ T8028] device hsr_slave_0 entered promiscuous mode [ 55.491249][ T8028] device hsr_slave_1 entered promiscuous mode [ 55.530380][ T8028] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.552740][ T8025] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 55.624718][ T8031] chnl_net:caif_netlink_parms(): no params data found [ 55.636976][ T8033] chnl_net:caif_netlink_parms(): no params data found [ 55.656748][ T8025] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 55.733416][ T8025] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 55.808430][ T8033] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.815951][ T8033] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.823847][ T8033] device bridge_slave_0 entered promiscuous mode [ 55.831757][ T8025] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 55.910162][ T8031] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.917391][ T8031] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.924986][ T8031] device bridge_slave_0 entered promiscuous mode [ 55.934415][ T8031] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.942225][ T8031] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.949728][ T8031] device bridge_slave_1 entered promiscuous mode [ 55.964420][ T8033] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.971932][ T8033] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.979441][ T8033] device bridge_slave_1 entered promiscuous mode [ 55.998122][ T8033] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.021823][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.029891][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.041960][ T8023] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.054995][ T8036] chnl_net:caif_netlink_parms(): no params data found [ 56.068467][ T8033] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.094240][ T8031] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.106972][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.116999][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.125676][ T2708] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.132870][ T2708] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.140901][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.149316][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.157966][ T2708] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.165044][ T2708] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.172630][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.184374][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.207856][ T8033] team0: Port device team_slave_0 added [ 56.218304][ T8031] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.252416][ T8028] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.295645][ T8033] team0: Port device team_slave_1 added [ 56.307267][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.318089][ T8036] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.326002][ T8036] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.333811][ T8036] device bridge_slave_0 entered promiscuous mode [ 56.351814][ T8028] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.387329][ T8041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.399684][ T8041] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.408166][ T8041] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.417180][ T8041] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.425524][ T8041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.437728][ T8041] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.446450][ T8041] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.455585][ T8036] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.462960][ T8036] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.470728][ T8036] device bridge_slave_1 entered promiscuous mode [ 56.487628][ T8040] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.497095][ T8040] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.505816][ T8028] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.572512][ T8028] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.618306][ T8031] team0: Port device team_slave_0 added [ 56.626599][ T8031] team0: Port device team_slave_1 added [ 56.634406][ T8025] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.642878][ T8023] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.652634][ T8036] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.713369][ T8033] device hsr_slave_0 entered promiscuous mode [ 56.770678][ T8033] device hsr_slave_1 entered promiscuous mode [ 56.810787][ T8033] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.826578][ T8025] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.836676][ T8036] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.854628][ T8040] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.862955][ T8040] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.899187][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.908672][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.917258][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.924318][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.932429][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.940893][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.949089][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.956162][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.013426][ T8031] device hsr_slave_0 entered promiscuous mode [ 57.060765][ T8031] device hsr_slave_1 entered promiscuous mode [ 57.100401][ T8031] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.122122][ T8036] team0: Port device team_slave_0 added [ 57.130511][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.138724][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.147350][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.156048][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.163925][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.174964][ T8023] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.186409][ T8033] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.252262][ T8036] team0: Port device team_slave_1 added [ 57.257997][ T8033] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 57.292634][ T8033] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 57.355191][ T8033] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 57.444947][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.453640][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.463625][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.495542][ T8028] 8021q: adding VLAN 0 to HW filter on device bond0 [ 162.520269][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 162.527038][ C0] rcu: 0-...!: (1 GPs behind) idle=56e/1/0x4000000000000002 softirq=10595/10596 fqs=38 [ 162.536975][ C0] (t=10500 jiffies g=5677 q=188) [ 162.541991][ C0] rcu: rcu_preempt kthread starved for 10423 jiffies! g5677 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 162.553069][ C0] rcu: RCU grace-period kthread stack dump: [ 162.558942][ C0] rcu_preempt R running task 29048 10 2 0x80004000 [ 162.566829][ C0] Call Trace: [ 162.570120][ C0] __schedule+0x9a0/0xcc0 [ 162.574448][ C0] schedule+0x181/0x210 [ 162.578606][ C0] schedule_timeout+0x14f/0x240 [ 162.583440][ C0] ? run_local_timers+0x120/0x120 [ 162.588454][ C0] rcu_gp_kthread+0xed8/0x1770 [ 162.593212][ C0] kthread+0x332/0x350 [ 162.597264][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 162.602357][ C0] ? kthread_blkcg+0xe0/0xe0 [ 162.606948][ C0] ret_from_fork+0x24/0x30 [ 162.611364][ C0] NMI backtrace for cpu 0 [ 162.615682][ C0] CPU: 0 PID: 8045 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 162.623898][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.633935][ C0] Call Trace: [ 162.637203][ C0] [ 162.640043][ C0] dump_stack+0x1fb/0x318 [ 162.644360][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 162.649194][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 162.655334][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 162.661385][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 162.667357][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 162.673233][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 162.678335][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 162.683530][ C0] ? trace_hardirqs_off+0x74/0x80 [ 162.688564][ C0] update_process_times+0x12d/0x180 [ 162.693750][ C0] tick_sched_timer+0x263/0x420 [ 162.698584][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 162.704117][ C0] __hrtimer_run_queues+0x403/0x840 [ 162.709316][ C0] hrtimer_interrupt+0x38c/0xda0 [ 162.714253][ C0] ? debug_smp_processor_id+0x9/0x20 [ 162.719528][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 162.725056][ C0] apic_timer_interrupt+0xf/0x20 [ 162.729973][ C0] [ 162.732915][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x2e/0x50 [ 162.739076][ C0] Code: 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 <48> 8b 32 48 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 [ 162.758675][ C0] RSP: 0018:ffffc90002007bd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 162.767077][ C0] RAX: ffffffff81486ea4 RBX: ffffea00027c4300 RCX: ffff888090974040 [ 162.775034][ C0] RDX: ffffc90002029000 RSI: 000000000003ffff RDI: 0000000000040000 [ 162.782992][ C0] RBP: ffffc90002007c10 R08: 000000000003a768 R09: fffffbfff120248a [ 162.790948][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88808bd72ba0 [ 162.798907][ C0] R13: dffffc0000000000 R14: 1ffff110117ae574 R15: ffff88809c6e15a8 [ 162.806880][ C0] ? free_thread_stack+0x124/0x590 [ 162.811983][ C0] ? free_thread_stack+0x124/0x590 [ 162.817082][ C0] put_task_stack+0xa3/0x130 [ 162.821659][ C0] finish_task_switch+0x3f1/0x550 [ 162.826674][ C0] __schedule+0x9a8/0xcc0 [ 162.830998][ C0] ? ___preempt_schedule+0x16/0x18 [ 162.836093][ C0] preempt_schedule+0xdb/0x120 [ 162.840843][ C0] ___preempt_schedule+0x16/0x18 [ 162.845769][ C0] _raw_spin_unlock+0x3a/0x40 [ 162.850429][ C0] kcov_ioctl+0x285/0x2c0 [ 162.854743][ C0] ? kcov_task_exit+0xc0/0xc0 [ 162.859406][ C0] do_vfs_ioctl+0x744/0x1730 [ 162.863983][ C0] ? __fget+0x471/0x510 [ 162.868129][ C0] ? tomoyo_file_ioctl+0x23/0x30 [ 162.873055][ C0] ? security_file_ioctl+0xa1/0xd0 [ 162.878157][ C0] __x64_sys_ioctl+0xe3/0x120 [ 162.882825][ C0] do_syscall_64+0xf7/0x1c0 [ 162.887318][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.893194][ C0] RIP: 0033:0x45a4e7 [ 162.897166][ C0] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 162.916753][ C0] RSP: 002b:00007f88087a8ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 162.925151][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045a4e7 [ 162.933106][ C0] RDX: 0000000000000000 RSI: 0000000000006364 RDI: 00000000000000e8 [ 162.941061][ C0] RBP: 000000000075bfa8 R08: 00007f88087a9700 R09: 00007f88087a9700 [ 162.949015][ C0] R10: 00007f88087a99d0 R11: 0000000000000246 R12: 0000000000000000 [ 162.956971][ C0] R13: 00007fff681a414f R14: 00007f88087a99c0 R15: 000000000075bf2c