syzkaller login: [ 65.474938][ T38] audit: type=1400 audit(1575106205.284:41): avc: denied { map } for pid=7965 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '[localhost]:49577' (ECDSA) to the list of known hosts. [ 67.266409][ T38] audit: type=1400 audit(1575106207.074:42): avc: denied { map } for pid=7975 comm="syz-fuzzer" path="/syz-fuzzer" dev="sda1" ino=16526 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 2019/11/30 09:30:07 fuzzer started 2019/11/30 09:30:07 dialing manager at 10.0.2.10:40921 2019/11/30 09:30:07 syscalls: 2533 2019/11/30 09:30:07 code coverage: enabled 2019/11/30 09:30:07 comparison tracing: enabled 2019/11/30 09:30:07 extra coverage: extra coverage is not supported by the kernel 2019/11/30 09:30:07 setuid sandbox: enabled 2019/11/30 09:30:07 namespace sandbox: enabled 2019/11/30 09:30:07 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/30 09:30:07 fault injection: enabled 2019/11/30 09:30:07 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/30 09:30:07 net packet injection: enabled 2019/11/30 09:30:07 net device setup: enabled 2019/11/30 09:30:07 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/11/30 09:30:07 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:30:19 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x2}) clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r2 = syz_open_procfs(0x0, &(0x7f0000000200)='stat\x00') exit(0x0) preadv(r2, &(0x7f0000001300)=[{&(0x7f0000000180)=""/68, 0x44}], 0x1, 0x0) [ 80.015112][ T38] audit: type=1400 audit(1575106219.824:43): avc: denied { map } for pid=7998 comm="syz-executor.0" path="/sys/kernel/debug/kcov" dev="debugfs" ino=84 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 09:30:19 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000b9aff0)={0x2, 0x4e20}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000319ff0)={0x2, 0x4e20}, 0x10) recvfrom(r0, 0x0, 0x0, 0x0, &(0x7f0000000040)=@caif=@dbg, 0x71c000) [ 80.159856][ T7999] IPVS: ftp: loaded support on port[0] = 21 [ 80.237576][ T7999] chnl_net:caif_netlink_parms(): no params data found [ 80.251735][ T8002] IPVS: ftp: loaded support on port[0] = 21 [ 80.277997][ T7999] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.285969][ T7999] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.294046][ T7999] device bridge_slave_0 entered promiscuous mode [ 80.306640][ T7999] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.314093][ T7999] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.321848][ T7999] device bridge_slave_1 entered promiscuous mode [ 80.343619][ T7999] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.355487][ T7999] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.379114][ T7999] team0: Port device team_slave_0 added [ 80.386565][ T7999] team0: Port device team_slave_1 added [ 80.475177][ T7999] device hsr_slave_0 entered promiscuous mode [ 80.532610][ T7999] device hsr_slave_1 entered promiscuous mode [ 80.635395][ T8002] chnl_net:caif_netlink_parms(): no params data found [ 80.666334][ T38] audit: type=1400 audit(1575106220.474:44): avc: denied { create } for pid=7999 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 80.691484][ T38] audit: type=1400 audit(1575106220.474:45): avc: denied { write } for pid=7999 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 80.691501][ T38] audit: type=1400 audit(1575106220.474:46): avc: denied { read } for pid=7999 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 80.743285][ T7999] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 80.808104][ T7999] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 80.884452][ T8002] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.892056][ T8002] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.900601][ T8002] device bridge_slave_0 entered promiscuous mode [ 80.908290][ T7999] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 80.974221][ T8002] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.981717][ T8002] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.990103][ T8002] device bridge_slave_1 entered promiscuous mode [ 81.002116][ T7999] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 81.060606][ T8002] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.071599][ T8002] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.095507][ T8002] team0: Port device team_slave_0 added [ 81.102749][ T8002] team0: Port device team_slave_1 added [ 81.110546][ T7999] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.118049][ T7999] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.125910][ T7999] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.133699][ T7999] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.214694][ T8002] device hsr_slave_0 entered promiscuous mode [ 81.272543][ T8002] device hsr_slave_1 entered promiscuous mode [ 81.352433][ T8002] debugfs: Directory 'hsr0' with parent '/' already present! [ 81.363740][ T2549] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.372818][ T2549] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.405874][ T8002] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 81.465204][ T8002] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 81.564523][ T8002] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 81.625604][ T8002] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 81.709696][ T7999] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.725808][ T2549] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.734413][ T2549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.744137][ T7999] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.755323][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.764113][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.773068][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.780230][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.802638][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.811371][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.820252][ T23] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.827524][ T23] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.835450][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.844167][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.852870][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.862624][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.871233][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.880811][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.889494][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.898156][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.906492][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.914859][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.924549][ T2549] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.933608][ T7999] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.956782][ T3859] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.964387][ T3859] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.978590][ T8002] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.988164][ T7999] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.999790][ T38] audit: type=1400 audit(1575106221.804:47): avc: denied { associate } for pid=7999 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 82.000121][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.032220][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.042788][ T8002] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.053238][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.062096][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.071428][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.079080][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.087887][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.109627][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.119646][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.128468][ T57] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.135823][ T57] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.145509][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.154254][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.166088][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready 09:30:21 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x2}) clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r2 = syz_open_procfs(0x0, &(0x7f0000000200)='stat\x00') exit(0x0) preadv(r2, &(0x7f0000001300)=[{&(0x7f0000000180)=""/68, 0x44}], 0x1, 0x0) [ 82.175296][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.191917][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready 09:30:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x2}) clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r2 = syz_open_procfs(0x0, &(0x7f0000000200)='stat\x00') exit(0x0) preadv(r2, &(0x7f0000001300)=[{&(0x7f0000000180)=""/68, 0x44}], 0x1, 0x0) [ 82.208178][ T8002] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 82.219248][ T8002] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 82.234519][ T2549] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 82.246971][ T2549] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.257393][ T2549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 82.266290][ T2549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.275327][ T2549] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.283903][ T2549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.292435][ T2549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.308888][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready 09:30:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x2}) clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r2 = syz_open_procfs(0x0, &(0x7f0000000200)='stat\x00') exit(0x0) preadv(r2, &(0x7f0000001300)=[{&(0x7f0000000180)=""/68, 0x44}], 0x1, 0x0) [ 82.317270][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.329748][ T8002] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.403380][ T8031] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. 09:30:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x2}) clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r2 = syz_open_procfs(0x0, &(0x7f0000000200)='stat\x00') preadv(r2, &(0x7f0000001300)=[{&(0x7f0000000180)=""/68, 0x44}], 0x1, 0x0) 09:30:22 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x42, 0x8001, 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, 0xffffffffffffffff, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000000)={0x14, 0x16, 0xfffffffffffffffd, 0x0, 0x0, {0x2d}}, 0x14}}, 0x0) 09:30:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x2}) clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r2 = syz_open_procfs(0x0, &(0x7f0000000200)='stat\x00') preadv(r2, &(0x7f0000001300)=[{&(0x7f0000000180)=""/68, 0x44}], 0x1, 0x0) [ 82.450491][ T38] audit: type=1400 audit(1575106222.254:48): avc: denied { open } for pid=8037 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=perf_event permissive=1 [ 82.475975][ T38] audit: type=1400 audit(1575106222.254:49): avc: denied { kernel } for pid=8037 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=perf_event permissive=1 09:30:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x2}) clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r2 = syz_open_procfs(0x0, &(0x7f0000000200)='stat\x00') preadv(r2, &(0x7f0000001300)=[{&(0x7f0000000180)=""/68, 0x44}], 0x1, 0x0) 09:30:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x2}) clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit(0x0) preadv(0xffffffffffffffff, &(0x7f0000001300)=[{&(0x7f0000000180)=""/68, 0x44}], 0x1, 0x0) 09:30:22 executing program 1: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000006c0)=@newpolicy={0xb8, 0x13, 0x8f3bcbcef9cc5389, 0x0, 0x0, {{@in6=@dev={0xfe, 0x80, [0x3]}, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0xa}}}, 0xb8}}, 0x0) 09:30:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x2}) clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit(0x0) preadv(0xffffffffffffffff, &(0x7f0000001300)=[{&(0x7f0000000180)=""/68, 0x44}], 0x1, 0x0) 09:30:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x2}) clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit(0x0) preadv(0xffffffffffffffff, &(0x7f0000001300)=[{&(0x7f0000000180)=""/68, 0x44}], 0x1, 0x0) 09:30:22 executing program 1: r0 = socket$kcm(0x10, 0x1000000000000002, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0xfffffffffffffeed, &(0x7f00000015c0)=[{&(0x7f0000000040)="2300000052008152935a655067d7aee4050732b9848000"/35, 0x23}], 0x1}, 0x0) 09:30:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x2}) r2 = syz_open_procfs(0x0, &(0x7f0000000200)='stat\x00') exit(0x0) preadv(r2, &(0x7f0000001300)=[{&(0x7f0000000180)=""/68, 0x44}], 0x1, 0x0) 09:30:22 executing program 1: clone(0x3102001fff, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) read(r0, &(0x7f0000000040)=""/11, 0xb) r1 = epoll_create1(0x0) clone(0x3102001ff6, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x200000000000013, &(0x7f0000000000)=0x404100000001, 0x4) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4}, 0x1c) r3 = dup2(r2, r2) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r3, 0x6, 0x16, &(0x7f0000000440), 0x132441) getsockopt(r3, 0x0, 0x0, 0x0, &(0x7f0000000440)) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) io_setup(0x89b, &(0x7f0000000300)=0x0) r6 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptmx\x00', 0x0, 0x0) read(r6, &(0x7f0000000480)=""/11, 0xfffffe85) ioctl$TIOCSETD(r6, 0x5423, &(0x7f0000000200)) dup3(r6, 0xffffffffffffffff, 0x0) ioctl$EVIOCRMFF(0xffffffffffffffff, 0x40044581, 0x0) io_submit(r5, 0x1, &(0x7f0000000580)=[&(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, r4, 0x0}]) io_cancel(r5, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x7, 0x200, r3, &(0x7f0000000140)="b4208de58b3b31594ef89c659f16e9b6b0aca7d2265a2c9247718966051357b3a215c98a880c70fae48d4fe4adafa5c6ad8ab43d5a62a9944cc2", 0x3a, 0x50, 0x0, 0x1}, &(0x7f00000001c0)) r7 = syz_open_pts(r0, 0x0) arch_prctl$ARCH_GET_GS(0x1004, &(0x7f0000000100)) dup2(r1, r7) 09:30:22 executing program 1: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x200000000000013, &(0x7f0000000280)=0x400100000001, 0x4) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, &(0x7f0000000440), 0x12f7e5) clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) setsockopt$inet6_buf(r0, 0x29, 0x1b, &(0x7f0000000040)="74533e84b203091d54458c61f83f901b33032769", 0x14) ptrace$setopts(0x4206, 0x0, 0x0, 0x0) tkill(0x0, 0x2f) fcntl$setstatus(r0, 0x4, 0x80000000002c00) bind$inet6(0xffffffffffffffff, &(0x7f0000000040)={0xa, 0x0, 0x0, @loopback}, 0x1c) 09:30:22 executing program 1: perf_event_open(&(0x7f0000000040)={0x2, 0x2c4, 0x69, 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, 0x1, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) shutdown(0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000a00)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) clock_gettime(0x0, 0x0) utimensat(0xffffffffffffffff, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000240)='net/fib_trie\x00') preadv(r0, &(0x7f0000000480), 0x100000000000022c, 0x6c00000000000000) [ 83.172316][ C0] hrtimer: interrupt took 33814 ns 09:30:23 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x2}) r2 = syz_open_procfs(0x0, &(0x7f0000000200)='stat\x00') exit(0x0) preadv(r2, &(0x7f0000001300)=[{&(0x7f0000000180)=""/68, 0x44}], 0x1, 0x0) 09:30:24 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x2}) r2 = syz_open_procfs(0x0, &(0x7f0000000200)='stat\x00') exit(0x0) preadv(r2, &(0x7f0000001300)=[{&(0x7f0000000180)=""/68, 0x44}], 0x1, 0x0) 09:30:25 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r2 = syz_open_procfs(0x0, &(0x7f0000000200)='stat\x00') exit(0x0) preadv(r2, &(0x7f0000001300)=[{&(0x7f0000000180)=""/68, 0x44}], 0x1, 0x0) [ 240.502667][ T1114] INFO: task syz-executor.1:8084 blocked for more than 143 seconds. [ 240.512919][ T1114] Not tainted 5.4.0-syzkaller #0 [ 240.519676][ T1114] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.530146][ T1114] syz-executor.1 D28144 8084 8002 0x00004004 [ 240.538264][ T1114] Call Trace: [ 240.542219][ T1114] __schedule+0x8e1/0x1f30 [ 240.547731][ T1114] ? __sched_text_start+0x8/0x8 [ 240.553624][ T1114] ? lock_downgrade+0x920/0x920 [ 240.559471][ T1114] ? rwlock_bug.part.0+0x90/0x90 [ 240.565462][ T1114] schedule+0xdc/0x2b0 [ 240.570339][ T1114] schedule_preempt_disabled+0x13/0x20 [ 240.577104][ T1114] __mutex_lock+0x7ab/0x13c0 [ 240.582838][ T1114] ? perf_event_ctx_lock_nested+0x296/0x4c0 [ 240.589793][ T1114] ? mutex_trylock+0x2f0/0x2f0 [ 240.595604][ T1114] ? find_held_lock+0x35/0x130 [ 240.601244][ T1114] ? perf_event_ctx_lock_nested+0x262/0x4c0 [ 240.608336][ T1114] ? lock_downgrade+0x920/0x920 [ 240.614208][ T1114] mutex_lock_nested+0x16/0x20 [ 240.619848][ T1114] ? mutex_lock_nested+0x16/0x20 [ 240.626038][ T1114] perf_event_ctx_lock_nested+0x296/0x4c0 [ 240.633120][ T1114] ? __perf_event_read+0xe10/0xe10 [ 240.639237][ T1114] perf_event_release_kernel+0x121/0xef0 [ 240.646106][ T1114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.653484][ T1114] ? __perf_event_exit_context+0x170/0x170 [ 240.660418][ T1114] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 240.667852][ T1114] perf_release+0x37/0x50 [ 240.673031][ T1114] __fput+0x2ff/0x890 [ 240.677756][ T1114] ? perf_event_release_kernel+0xef0/0xef0 [ 240.684704][ T1114] ____fput+0x16/0x20 [ 240.689444][ T1114] task_work_run+0x145/0x1c0 [ 240.695045][ T1114] exit_to_usermode_loop+0x316/0x380 [ 240.701210][ T1114] do_syscall_64+0x676/0x790 [ 240.706872][ T1114] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 240.714083][ T1114] RIP: 0033:0x413d81 [ 240.718645][ T1114] Code: 89 44 24 10 e8 40 c1 04 00 48 8b 6c 24 18 48 83 c4 20 c3 48 8b 4c 24 30 48 89 0c 24 48 8b 4c 24 38 48 89 4c 24 08 48 89 44 24 <10> e8 99 0c 00 00 48 8b 44 24 40 eb b5 48 8b 44 24 40 eb ae 48 8b [ 240.742608][ T1114] RSP: 002b:00007ffffb482300 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 240.752711][ T1114] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000413d81 [ 240.762130][ T1114] RDX: 0000001b2fc20000 RSI: 0000000000000c65 RDI: 0000000000000003 [ 240.771675][ T1114] RBP: 000000000071c980 R08: 00000000e1114c65 R09: 00000000e1114c69 [ 240.781085][ T1114] R10: 00007ffffb482430 R11: 0000000000000293 R12: 0000000000000001 [ 240.790632][ T1114] R13: 000000000071c980 R14: 00000000007213b0 R15: 00007ffffb482410 [ 240.800020][ T1114] [ 240.800020][ T1114] Showing all locks held in the system: [ 240.809283][ T1114] 1 lock held by khungtaskd/1114: [ 240.815247][ T1114] #0: ffffffff895a4080 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 240.826331][ T1114] 2 locks held by rsyslogd/7824: [ 240.832102][ T1114] #0: ffff8880221950e0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 240.842386][ T1114] #1: ffff88802d337398 (&rq->lock){-.-.}, at: newidle_balance+0xa28/0xe80 [ 240.852949][ T1114] 2 locks held by getty/7946: [ 240.859087][ T1114] #0: ffff888022218090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 240.870713][ T1114] #1: ffffc900040262e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 240.882360][ T1114] 2 locks held by getty/7947: [ 240.888494][ T1114] #0: ffff888025bf3090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 240.899200][ T1114] #1: ffffc900040422e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 240.910546][ T1114] 2 locks held by getty/7948: [ 240.916129][ T1114] #0: ffff8880221ec090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 240.926543][ T1114] #1: ffffc9000402a2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 240.937650][ T1114] 2 locks held by getty/7949: [ 240.943237][ T1114] #0: ffff888020698090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 240.953907][ T1114] #1: ffffc9000404e2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 240.965612][ T1114] 2 locks held by getty/7950: [ 240.971276][ T1114] #0: ffff88802a5f9090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 240.981940][ T1114] #1: ffffc900040462e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 240.993140][ T1114] 2 locks held by getty/7951: [ 240.998626][ T1114] #0: ffff88802a100090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 241.009072][ T1114] #1: ffffc900040322e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 241.021213][ T1114] 2 locks held by getty/7952: [ 241.027271][ T1114] #0: ffff88802b8e9090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 241.038488][ T1114] #1: ffffc9000401a2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 241.050653][ T1114] 1 lock held by syz-executor.1/8084: [ 241.057346][ T1114] #0: ffff88802997bca0 (&ctx->mutex){+.+.}, at: perf_event_ctx_lock_nested+0x296/0x4c0 [ 241.069726][ T1114] 3 locks held by syz-executor.1/8086: [ 241.076953][ T1114] [ 241.079905][ T1114] ============================================= [ 241.079905][ T1114] [ 241.091312][ T1114] NMI backtrace for cpu 3 [ 241.096775][ T1114] CPU: 3 PID: 1114 Comm: khungtaskd Not tainted 5.4.0-syzkaller #0 [ 241.105625][ T1114] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 241.106685][ T1114] Call Trace: [ 241.106685][ T1114] dump_stack+0x197/0x210 [ 241.106685][ T1114] nmi_cpu_backtrace.cold+0x70/0xb2 [ 241.106685][ T1114] ? vprintk_func+0x86/0x189 [ 241.106685][ T1114] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 241.106685][ T1114] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 241.106685][ T1114] arch_trigger_cpumask_backtrace+0x14/0x20 [ 241.106685][ T1114] watchdog+0xb11/0x10c0 [ 241.106685][ T1114] kthread+0x361/0x430 [ 241.106685][ T1114] ? reset_hung_task_detector+0x30/0x30 [ 241.106685][ T1114] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 241.106685][ T1114] ret_from_fork+0x24/0x30 [ 241.179172][ T1114] Sending NMI from CPU 3 to CPUs 0-2: [ 241.185002][ C1] NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 [ 241.185009][ C2] NMI backtrace for cpu 2 skipped: idling at native_safe_halt+0xe/0x10 [ 241.186186][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.107 msecs [ 241.186874][ T1114] NMI backtrace for cpu 0 [ 241.186878][ T1114] CPU: 0 PID: 8086 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 241.186883][ T1114] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 241.186886][ T1114] RIP: 0010:native_write_msr+0x6/0x30 [ 241.186895][ T1114] Code: d0 c3 0f 21 d8 c3 0f 21 f0 c3 0f 0b 0f 1f 84 00 00 00 00 00 0f 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 89 f9 89 f0 0f 30 <0f> 1f 44 00 00 c3 55 48 c1 e2 20 89 f6 48 89 e5 48 09 d6 31 d2 e8 [ 241.186897][ T1114] RSP: 0018:ffff88802d209378 EFLAGS: 00000082 [ 241.186903][ T1114] RAX: 000000008a496876 RBX: 0000000000000000 RCX: 00000000000006e0 [ 241.186907][ T1114] RDX: 0000000000000072 RSI: 000000008a496876 RDI: 00000000000006e0 [ 241.186910][ T1114] RBP: ffff88802d209390 R08: ffff88800f200540 R09: ffff88800f200dd0 [ 241.186914][ T1114] R10: fffffbfff146dba0 R11: ffffffff8a36dd07 R12: ffff88802d2227c0 [ 241.186917][ T1114] R13: 00000000000004e5 R14: 0000000000000000 R15: 0000000000000000 [ 241.186921][ T1114] FS: 00007fb4843fa700(0000) GS:ffff88802d200000(0000) knlGS:0000000000000000 [ 241.186924][ T1114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 241.186928][ T1114] CR2: 00000000004c1a80 CR3: 0000000029ca2000 CR4: 00000000003406f0 [ 241.186931][ T1114] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 241.186935][ T1114] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 241.186937][ T1114] Call Trace: [ 241.186938][ T1114] [ 241.186941][ T1114] ? lapic_next_deadline+0x4d/0x80 [ 241.186944][ T1114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.186946][ T1114] clockevents_program_event+0x25c/0x370 [ 241.186949][ T1114] tick_program_event+0xb4/0x130 [ 241.186951][ T1114] hrtimer_interrupt+0x369/0x770 [ 241.186954][ T1114] smp_apic_timer_interrupt+0x160/0x610 [ 241.186956][ T1114] apic_timer_interrupt+0xf/0x20 [ 241.186959][ T1114] RIP: 0010:unwind_next_frame.part.0+0x14/0xa20 [ 241.186967][ T1114] Code: e0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 42 64 12 00 66 90 55 4c 8d 4f 58 48 b8 00 00 00 00 00 fc ff df 48 89 e5 41 57 <41> 56 41 55 41 54 4c 8d a5 78 ff ff ff 49 c1 ec 03 53 48 89 fb 49 [ 241.186970][ T1114] RSP: 0018:ffff88802d2095a0 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 [ 241.186976][ T1114] RAX: dffffc0000000000 RBX: ffffffff8163b1d0 RCX: ffffffff8163b2f2 [ 241.186979][ T1114] RDX: 0000000000000002 RSI: ffffffff8163b2fe RDI: ffff88802d2095d0 [ 241.186983][ T1114] RBP: ffff88802d2095a8 R08: ffff88800f200540 R09: ffff88802d209628 [ 241.186986][ T1114] R10: ffff88802d2095f8 R11: ffff88802d209608 R12: ffff88802d209688 [ 241.186990][ T1114] R13: 0000000000000000 R14: ffff88800f200540 R15: ffff8880756c38c0 [ 241.186993][ T1114] ? apic_timer_interrupt+0xa/0x20 [ 241.186995][ T1114] ? profile_setup.cold+0xbb/0xbb [ 241.186998][ T1114] ? stack_trace_consume_entry+0x122/0x190 [ 241.187000][ T1114] ? stack_trace_consume_entry+0x12e/0x190 [ 241.187003][ T1114] unwind_next_frame+0x3b/0x50 [ 241.187005][ T1114] arch_stack_walk+0x81/0xf0 [ 241.187007][ T1114] ? call_timer_fn+0x1ac/0x780 [ 241.187010][ T1114] stack_trace_save+0xac/0xe0 [ 241.187012][ T1114] ? stack_trace_consume_entry+0x190/0x190 [ 241.187015][ T1114] ? kernel_text_address+0x73/0xf0 [ 241.187017][ T1114] ? __kernel_text_address+0xd/0x40 [ 241.187020][ T1114] ? unwind_get_return_address+0x61/0xa0 [ 241.187023][ T1114] ? profile_setup.cold+0xbb/0xbb [ 241.187025][ T1114] ? arch_stack_walk+0x97/0xf0 [ 241.187027][ T1114] save_stack+0x23/0x90 [ 241.187029][ T1114] ? save_stack+0x23/0x90 [ 241.187032][ T1114] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 241.187034][ T1114] ? kasan_slab_alloc+0xf/0x20 [ 241.187037][ T1114] ? kmem_cache_alloc+0x121/0x710 [ 241.187039][ T1114] ? dst_alloc+0x10e/0x200 [ 241.187041][ T1114] ? ip6_dst_alloc+0x34/0xa0 [ 241.187044][ T1114] ? icmp6_dst_alloc+0x69/0x4a0 [ 241.187046][ T1114] ? ndisc_send_skb+0xfb7/0x1490 [ 241.187048][ T1114] ? ndisc_send_rs+0x134/0x720 [ 241.187051][ T1114] ? addrconf_rs_timer+0x30f/0x6e0 [ 241.187053][ T1114] ? call_timer_fn+0x1ac/0x780 [ 241.187056][ T1114] ? stack_trace_save+0xac/0xe0 [ 241.187058][ T1114] ? stack_trace_consume_entry+0x190/0x190 [ 241.187061][ T1114] ? kasan_kmalloc+0x9/0x10 [ 241.187063][ T1114] ? kmem_cache_alloc_node_trace+0x15a/0x750 [ 241.187066][ T1114] ? __kmalloc_node_track_caller+0x3d/0x70 [ 241.187069][ T1114] ? __kmalloc_reserve.isra.0+0x40/0xf0 [ 241.187071][ T1114] ? __alloc_skb+0x10b/0x5e0 [ 241.187073][ T1114] ? ndisc_alloc_skb+0x13c/0x340 [ 241.187076][ T1114] ? __kasan_check_read+0x11/0x20 [ 241.187078][ T1114] ? mark_lock+0xc2/0x1220 [ 241.187080][ T1114] ? kasan_kmalloc+0x9/0x10 [ 241.187083][ T1114] ? __kmalloc_node_track_caller+0x4e/0x70 [ 241.187085][ T1114] ? __kasan_check_read+0x11/0x20 [ 241.187087][ T1114] ? mark_lock+0xc2/0x1220 [ 241.187090][ T1114] ? should_fail+0x1de/0x852 [ 241.187092][ T1114] ? __lock_acquire+0x8a0/0x4a00 [ 241.187094][ T1114] ? mark_held_locks+0xa4/0xf0 [ 241.187097][ T1114] ? kmem_cache_alloc+0x26f/0x710 [ 241.187099][ T1114] ? dst_alloc+0x10e/0x200 [ 241.187102][ T1114] ? kmem_cache_alloc+0x26f/0x710 [ 241.187104][ T1114] ? kasan_unpoison_shadow+0x35/0x50 [ 241.187107][ T1114] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 241.187109][ T1114] kasan_slab_alloc+0xf/0x20 [ 241.187111][ T1114] kmem_cache_alloc+0x121/0x710 [ 241.187114][ T1114] ? lock_downgrade+0x920/0x920 [ 241.187116][ T1114] dst_alloc+0x10e/0x200 [ 241.187118][ T1114] ip6_dst_alloc+0x34/0xa0 [ 241.187120][ T1114] icmp6_dst_alloc+0x69/0x4a0 [ 241.187123][ T1114] ndisc_send_skb+0xfb7/0x1490 [ 241.187125][ T1114] ? __phys_addr+0xa4/0x120 [ 241.187128][ T1114] ? nf_hook.constprop.0+0x560/0x560 [ 241.187130][ T1114] ? memcpy+0x46/0x50 [ 241.187133][ T1114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.187135][ T1114] ndisc_send_rs+0x134/0x720 [ 241.187137][ T1114] addrconf_rs_timer+0x30f/0x6e0 [ 241.187140][ T1114] ? ipv6_get_lladdr+0x490/0x490 [ 241.187142][ T1114] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 241.187145][ T1114] call_timer_fn+0x1ac/0x780 [ 241.187147][ T1114] ? ipv6_get_lladdr+0x490/0x490 [ 241.187150][ T1114] ? msleep_interruptible+0x150/0x150 [ 241.187152][ T1114] ? run_timer_softirq+0x6b1/0x1790 [ 241.187155][ T1114] ? trace_hardirqs_on+0x67/0x240 [ 241.187157][ T1114] ? ipv6_get_lladdr+0x490/0x490 [ 241.187160][ T1114] ? ipv6_get_lladdr+0x490/0x490 [ 241.187162][ T1114] run_timer_softirq+0x6c3/0x1790 [ 241.187164][ T1114] ? add_timer+0x930/0x930 [ 241.187167][ T1114] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 241.187170][ T1114] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 241.187173][ T1114] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 241.187175][ T1114] __do_softirq+0x262/0x98c [ 241.187178][ T1114] ? sched_clock_cpu+0x14e/0x1b0 [ 241.187180][ T1114] irq_exit+0x19b/0x1e0 [ 241.187183][ T1114] smp_apic_timer_interrupt+0x1a3/0x610 [ 241.187185][ T1114] apic_timer_interrupt+0xf/0x20 [ 241.187187][ T1114] [ 241.187189][ T1114] RIP: 0010:_raw_spin_unlock_irq+0x4f/0x80 [ 241.187197][ T1114] Code: c0 68 34 53 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 33 48 83 3d 12 2a 99 01 00 74 20 fb 66 0f 1f 44 00 00 01 00 00 00 e8 e7 6b 96 f9 65 8b 05 18 14 48 78 85 c0 74 06 41 [ 241.187200][ T1114] RSP: 0018:ffff8880714b78d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 241.187206][ T1114] RAX: 1ffffffff12a668d RBX: ffff88800f200540 RCX: 0000000000000006 [ 241.187209][ T1114] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff88800f200dd4 [ 241.187213][ T1114] RBP: ffff8880714b78e0 R08: 1ffffffff15d29b8 R09: fffffbfff15d29b9 [ 241.187217][ T1114] R10: fffffbfff15d29b8 R11: ffffffff8ae94dc7 R12: ffff88802d237380 [ 241.187220][ T1114] R13: ffffffff8947a1c0 R14: ffff888011760680 R15: 0000000000000000 [ 241.187222][ T1114] ? _raw_spin_unlock_irq+0x23/0x80 [ 241.187225][ T1114] finish_task_switch+0x147/0x750 [ 241.187227][ T1114] ? finish_task_switch+0x119/0x750 [ 241.187230][ T1114] __schedule+0x8e9/0x1f30 [ 241.187232][ T1114] ? __sched_text_start+0x8/0x8 [ 241.187235][ T1114] ? __this_cpu_preempt_check+0x35/0x190 [ 241.187237][ T1114] ? retint_kernel+0x2b/0x2b [ 241.187239][ T1114] ? perf_duration_warn+0x40/0x40 [ 241.187242][ T1114] ? preempt_schedule+0x4b/0x60 [ 241.187244][ T1114] preempt_schedule_common+0x4f/0xe0 [ 241.187247][ T1114] ? __perf_event_enable+0x930/0x930 [ 241.187249][ T1114] preempt_schedule+0x4b/0x60 [ 241.187251][ T1114] ___preempt_schedule+0x16/0x18 [ 241.187254][ T1114] ? smp_call_function_single+0x40b/0x480 [ 241.187257][ T1114] smp_call_function_single+0x410/0x480 [ 241.187259][ T1114] ? perf_duration_warn+0x40/0x40 [ 241.187262][ T1114] ? generic_exec_single+0x4c0/0x4c0 [ 241.187264][ T1114] ? __do_sys_perf_event_open+0x174c/0x2c70 [ 241.187267][ T1114] ? __perf_event_enable+0x930/0x930 [ 241.187269][ T1114] task_function_call+0xe9/0x180 [ 241.187272][ T1114] ? perf_event_addr_filters_exec+0x310/0x310 [ 241.187275][ T1114] ? __do_sys_perf_event_open+0x174c/0x2c70 [ 241.187277][ T1114] ? __perf_event_enable+0x930/0x930 [ 241.187280][ T1114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.187283][ T1114] ? exclusive_event_installable+0x257/0x320 [ 241.187286][ T1114] perf_install_in_context+0x308/0x5a0 [ 241.187288][ T1114] ? list_add_event+0xed0/0xed0 [ 241.187291][ T1114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.187294][ T1114] ? __perf_event_header_size.isra.0+0x166/0x1c0 [ 241.187297][ T1114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.187299][ T1114] __do_sys_perf_event_open+0x1cbc/0x2c70 [ 241.187302][ T1114] ? perf_event_set_output+0x4e0/0x4e0 [ 241.187305][ T1114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.187307][ T1114] ? put_timespec64+0xda/0x140 [ 241.187310][ T1114] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 241.187312][ T1114] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 241.187315][ T1114] ? do_syscall_64+0x26/0x790 [ 241.187317][ T1114] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 241.187320][ T1114] ? do_syscall_64+0x26/0x790 [ 241.187322][ T1114] __x64_sys_perf_event_open+0xbe/0x150 [ 241.187325][ T1114] do_syscall_64+0xfa/0x790 [ 241.187327][ T1114] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 241.187329][ T1114] RIP: 0033:0x45a759 [ 241.187337][ T1114] Code: bd b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 241.187340][ T1114] RSP: 002b:00007fb4843f9c88 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 241.187346][ T1114] RAX: ffffffffffffffda RBX: 000000000071bf00 RCX: 000000000045a759 [ 241.187350][ T1114] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000a00 [ 241.187353][ T1114] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 [ 241.187357][ T1114] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fb4843fa6d4 [ 241.187361][ T1114] R13: 00000000004aec2b R14: 00000000006f1ca8 R15: 00000000ffffffff [ 241.187648][ T1114] Kernel panic - not syncing: hung_task: blocked tasks [ 241.187658][ T1114] CPU: 3 PID: 1114 Comm: khungtaskd Not tainted 5.4.0-syzkaller #0 [ 241.187664][ T1114] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 241.187666][ T1114] Call Trace: [ 241.187679][ T1114] dump_stack+0x197/0x210 [ 241.187690][ T1114] panic+0x2e3/0x75c [ 241.187698][ T1114] ? add_taint.cold+0x16/0x16 [ 241.187706][ T1114] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 241.187717][ T1114] ? ___preempt_schedule+0x16/0x18 [ 241.187726][ T1114] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 241.187734][ T1114] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 241.187741][ T1114] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 241.187749][ T1114] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 241.187759][ T1114] watchdog+0xb22/0x10c0 [ 241.187773][ T1114] kthread+0x361/0x430 [ 241.187785][ T1114] ? reset_hung_task_detector+0x30/0x30 [ 241.187793][ T1114] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 241.187803][ T1114] ret_from_fork+0x24/0x30 [ 241.194723][ T1114] Shutting down cpus with NMI [ 241.194723][ T1114] Kernel Offset: disabled [ 241.194723][ T1114] Rebooting in 86400 seconds..