syzkaller login: [ 65.397164][ T37] audit: type=1400 audit(1575111145.853:41): avc: denied { map } for pid=7956 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]:9247' (ECDSA) to the list of known hosts. [ 67.258446][ T37] audit: type=1400 audit(1575111147.713:42): avc: denied { map } for pid=7966 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 10:52:27 fuzzer started 2019/11/30 10:52:28 dialing manager at 10.0.2.10:40921 2019/11/30 10:52:28 syscalls: 2533 2019/11/30 10:52:28 code coverage: enabled 2019/11/30 10:52:28 comparison tracing: enabled 2019/11/30 10:52:28 extra coverage: extra coverage is not supported by the kernel 2019/11/30 10:52:28 setuid sandbox: enabled 2019/11/30 10:52:28 namespace sandbox: enabled 2019/11/30 10:52:28 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/30 10:52:28 fault injection: enabled 2019/11/30 10:52:28 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/30 10:52:28 net packet injection: enabled 2019/11/30 10:52:28 net device setup: enabled 2019/11/30 10:52:28 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/11/30 10:52:28 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:52:40 executing program 0: r0 = perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4060, 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) close(r0) [ 79.844171][ T37] audit: type=1400 audit(1575111160.293:43): avc: denied { map } for pid=7991 comm="syz-executor.0" path="/sys/kernel/debug/kcov" dev="debugfs" ino=9 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 10:52:40 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) open(0x0, 0x0, 0x0) ioctl$FS_IOC_GET_ENCRYPTION_PWSALT(0xffffffffffffffff, 0x40106614, 0x0) io_setup(0x10001, &(0x7f0000000000)) socket$alg(0x26, 0x5, 0x0) open(&(0x7f0000000400)='./bus\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x0, 0x10, 0xffffffffffffffff, 0x0) bind$alg(0xffffffffffffffff, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'sm3-generic\x00'}, 0x58) accept4(0xffffffffffffffff, 0x0, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080)='nbd\x00') r0 = socket$netlink(0x10, 0x3, 0x0) socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000003c0)=@newlink={0x38, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, [@tunl_policy=[@IFLA_IPTUN_LINK={0x8, 0x4001, r2}]]}}}]}, 0x38}}, 0x0) [ 79.994590][ T7992] IPVS: ftp: loaded support on port[0] = 21 [ 80.030666][ T7994] IPVS: ftp: loaded support on port[0] = 21 [ 80.078721][ T7992] chnl_net:caif_netlink_parms(): no params data found [ 80.111748][ T7992] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.119244][ T7992] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.127393][ T7992] device bridge_slave_0 entered promiscuous mode [ 80.135499][ T7992] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.142761][ T7992] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.150765][ T7992] device bridge_slave_1 entered promiscuous mode [ 80.170492][ T7992] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.183502][ T7992] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.217378][ T7992] team0: Port device team_slave_0 added [ 80.227097][ T7992] team0: Port device team_slave_1 added [ 80.234805][ T7994] chnl_net:caif_netlink_parms(): no params data found [ 80.328301][ T7992] device hsr_slave_0 entered promiscuous mode [ 80.376908][ T7992] device hsr_slave_1 entered promiscuous mode [ 80.444036][ T7994] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.451380][ T7994] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.459130][ T7994] device bridge_slave_0 entered promiscuous mode [ 80.466654][ T7994] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.473425][ T7994] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.480357][ T7994] device bridge_slave_1 entered promiscuous mode [ 80.504010][ T7994] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.516530][ T7994] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.517151][ T37] audit: type=1400 audit(1575111160.973:44): avc: denied { create } for pid=7992 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 [ 80.525073][ T7992] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 80.548963][ T37] audit: type=1400 audit(1575111160.973:45): avc: denied { write } for pid=7992 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 [ 80.579269][ T37] audit: type=1400 audit(1575111160.973:46): avc: denied { read } for pid=7992 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 [ 80.651763][ T7992] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 80.741505][ T7992] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 80.849460][ T7994] team0: Port device team_slave_0 added [ 80.855268][ T7992] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 80.939319][ T7994] team0: Port device team_slave_1 added [ 81.018266][ T7994] device hsr_slave_0 entered promiscuous mode [ 81.076613][ T7994] device hsr_slave_1 entered promiscuous mode [ 81.116492][ T7994] debugfs: Directory 'hsr0' with parent '/' already present! [ 81.145511][ T7994] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 81.198391][ T7994] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 81.258406][ T7994] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 81.348530][ T7994] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 81.451671][ T7992] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.465911][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.474602][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.483493][ T7992] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.496238][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.504602][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.512879][ T2956] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.519603][ T2956] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.530627][ T7994] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.537278][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.544584][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.553957][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.562459][ T2956] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.569571][ T2956] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.584966][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.593100][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.601344][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.608649][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.618948][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.627681][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.635813][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.650502][ T7992] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 81.660500][ T7992] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 81.673579][ T7994] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.681048][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.689535][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.697763][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.705888][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.713981][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.722283][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.733801][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.749647][ T1113] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.758032][ T1113] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.766212][ T1113] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.773362][ T1113] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.781243][ T1113] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.790124][ T1113] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.798453][ T1113] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.805535][ T1113] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.813086][ T1113] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.820624][ T1113] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.827987][ T1113] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.836164][ T1113] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.848894][ T7992] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.857099][ T3229] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.867453][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.868266][ T37] audit: type=1400 audit(1575111162.323:47): avc: denied { associate } for pid=7992 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 [ 81.875366][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.906113][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.916070][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.924323][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.942138][ T7994] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 81.952224][ T7994] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 81.964074][ T149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.972178][ T149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.983427][ T37] audit: type=1400 audit(1575111162.433:48): avc: denied { open } for pid=8002 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=perf_event permissive=1 [ 82.008051][ T37] audit: type=1400 audit(1575111162.433:49): avc: denied { kernel } for pid=8002 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=perf_event permissive=1 [ 82.008238][ T149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.038603][ T149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.046606][ T149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.064344][ T7994] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.072111][ T3858] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.079647][ T3858] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready 10:52:42 executing program 0: openat$capi20(0xffffffffffffff9c, &(0x7f0000000480)='/dev/capi20\x00', 0x0, 0x0) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x0, 0x0) r0 = socket$packet(0x11, 0x400000000002, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000100)={0x0, 0x3}, 0x4) setsockopt$packet_int(r0, 0x107, 0xa, &(0x7f00000001c0)=0x2, 0x4) socket$inet(0x2, 0x2000080001, 0x84) sendmsg(0xffffffffffffffff, 0x0, 0x0) setsockopt$packet_tx_ring(r0, 0x107, 0x5, &(0x7f0000000040)=@req3={0x10000, 0x100000001, 0x10000, 0x1}, 0x1c) r1 = socket$inet6(0xa, 0x3, 0x84) ioctl$VIDIOC_SUBDEV_G_DV_TIMINGS(0xffffffffffffffff, 0xc0845658, &(0x7f00000002c0)={0x0, @reserved}) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r1, &(0x7f00000092c0), 0x3fffffffffffe9f, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1b1}, &(0x7f0000000200)={0x0, r2+30000000}, 0x0) [ 82.156682][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 82.162851][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 82.296398][ C2] hrtimer: interrupt took 60856 ns [ 83.267443][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 83.273862][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 83.416534][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 83.422366][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 83.536399][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 83.542125][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 84.216443][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 84.222221][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 87.896581][ C2] net_ratelimit: 4 callbacks suppressed [ 87.896587][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 87.907876][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 88.376605][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 88.382446][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 89.976558][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 89.982490][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 90.466483][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 90.473565][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 92.056609][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 92.062522][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 94.136585][ C2] net_ratelimit: 2 callbacks suppressed [ 94.136591][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 94.148408][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 94.617045][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 94.623442][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 96.216483][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 96.222635][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 96.706527][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 96.712598][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 98.296454][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 98.302539][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 100.376577][ C2] net_ratelimit: 2 callbacks suppressed [ 100.376583][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 100.388310][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 100.866463][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 100.872252][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 102.456551][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 102.462392][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 102.946479][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 102.952410][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 104.536484][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 104.542361][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 106.616595][ C2] net_ratelimit: 2 callbacks suppressed [ 106.616601][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 106.629231][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 107.096547][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 107.103221][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 108.696491][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 108.702425][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 109.176484][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 109.183078][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 110.776465][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 110.782412][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 112.856442][ C2] net_ratelimit: 2 callbacks suppressed [ 112.856447][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 112.867728][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 113.336597][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 113.342579][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 114.936730][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 114.943259][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 115.416640][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 115.422271][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 117.016562][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 117.022428][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 119.096625][ C2] net_ratelimit: 2 callbacks suppressed [ 119.096630][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 119.108090][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 119.666742][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 119.672560][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 121.176500][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 121.182982][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 121.736570][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 121.742450][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 123.256561][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 123.264200][ C2] protocol 88fb is buggy, dev hsr_slave_1 10:53:25 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) open(0x0, 0x0, 0x0) ioctl$FS_IOC_GET_ENCRYPTION_PWSALT(0xffffffffffffffff, 0x40106614, 0x0) io_setup(0x10001, &(0x7f0000000000)) socket$alg(0x26, 0x5, 0x0) open(&(0x7f0000000400)='./bus\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x0, 0x10, 0xffffffffffffffff, 0x0) bind$alg(0xffffffffffffffff, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'sm3-generic\x00'}, 0x58) accept4(0xffffffffffffffff, 0x0, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080)='nbd\x00') r0 = socket$netlink(0x10, 0x3, 0x0) socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000003c0)=@newlink={0x38, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, [@tunl_policy=[@IFLA_IPTUN_LINK={0x8, 0x4001, r2}]]}}}]}, 0x38}}, 0x0) 10:53:25 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) open(0x0, 0x0, 0x0) ioctl$FS_IOC_GET_ENCRYPTION_PWSALT(0xffffffffffffffff, 0x40106614, 0x0) io_setup(0x10001, &(0x7f0000000000)) socket$alg(0x26, 0x5, 0x0) open(&(0x7f0000000400)='./bus\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x0, 0x10, 0xffffffffffffffff, 0x0) bind$alg(0xffffffffffffffff, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'sm3-generic\x00'}, 0x58) accept4(0xffffffffffffffff, 0x0, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080)='nbd\x00') r0 = socket$netlink(0x10, 0x3, 0x0) socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000003c0)=@newlink={0x38, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, [@tunl_policy=[@IFLA_IPTUN_LINK={0x8, 0x4001, r2}]]}}}]}, 0x38}}, 0x0) 10:53:25 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) open(0x0, 0x0, 0x0) ioctl$FS_IOC_GET_ENCRYPTION_PWSALT(0xffffffffffffffff, 0x40106614, 0x0) io_setup(0x10001, &(0x7f0000000000)) socket$alg(0x26, 0x5, 0x0) open(&(0x7f0000000400)='./bus\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x0, 0x10, 0xffffffffffffffff, 0x0) bind$alg(0xffffffffffffffff, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'sm3-generic\x00'}, 0x58) accept4(0xffffffffffffffff, 0x0, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080)='nbd\x00') r0 = socket$netlink(0x10, 0x3, 0x0) socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000003c0)=@newlink={0x38, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, [@tunl_policy=[@IFLA_IPTUN_LINK={0x8, 0x4001, r2}]]}}}]}, 0x38}}, 0x0) [ 125.846454][ C2] net_ratelimit: 2 callbacks suppressed [ 125.970414][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 125.976509][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 126.726386][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 126.856413][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 128.056492][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 128.061932][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 130.136476][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 130.142149][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 132.216483][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 132.222198][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 134.296882][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 134.303919][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 136.376638][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 136.383446][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 136.544201][ C2] protocol 88fb is buggy, dev hsr_slave_0 [ 136.550307][ C2] protocol 88fb is buggy, dev hsr_slave_1 [ 289.816786][ T1114] INFO: task syz-executor.0:8016 blocked for more than 143 seconds. [ 289.826008][ T1114] Not tainted 5.4.0-syzkaller #0 [ 289.833528][ T1114] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 289.845580][ T1114] syz-executor.0 D29192 8016 7992 0x00004004 [ 289.853265][ T1114] Call Trace: [ 289.857185][ T1114] __schedule+0x8e1/0x1f30 [ 289.862353][ T1114] ? __sched_text_start+0x8/0x8 [ 289.868067][ T1114] ? __kasan_check_read+0x11/0x20 [ 289.873853][ T1114] ? __lock_acquire+0x16f2/0x4a00 [ 289.879542][ T1114] schedule+0xdc/0x2b0 [ 289.883995][ T1114] schedule_timeout+0x717/0xc50 [ 289.889489][ T1114] ? __kasan_check_read+0x11/0x20 [ 289.895500][ T1114] ? usleep_range+0x170/0x170 [ 289.900903][ T1114] ? mark_held_locks+0xa4/0xf0 [ 289.907144][ T1114] ? _raw_spin_unlock_irq+0x23/0x80 [ 289.913628][ T1114] ? wait_for_completion+0x294/0x440 [ 289.920454][ T1114] ? _raw_spin_unlock_irq+0x23/0x80 [ 289.926845][ T1114] ? lockdep_hardirqs_on+0x421/0x5e0 [ 289.933361][ T1114] ? trace_hardirqs_on+0x67/0x240 [ 289.939598][ T1114] wait_for_completion+0x29c/0x440 [ 289.945559][ T1114] ? wait_for_completion_interruptible+0x470/0x470 [ 289.953621][ T1114] ? wake_up_q+0x140/0x140 [ 289.959135][ T1114] __wait_rcu_gp+0x225/0x2f0 [ 289.964651][ T1114] ? find_held_lock+0x35/0x130 [ 289.970529][ T1114] synchronize_rcu.part.0+0xcf/0xe0 [ 289.979208][ T1114] ? synchronize_rcu_expedited+0x5f0/0x5f0 [ 289.985807][ T1114] ? __call_rcu+0x740/0x740 [ 289.991219][ T1114] ? rcu_gp_is_expedited+0x70/0x70 [ 289.997094][ T1114] synchronize_rcu+0x27/0xa0 [ 290.002394][ T1114] synchronize_net+0x4d/0x60 [ 290.007649][ T1114] packet_set_ring+0x23c/0x1b60 [ 290.013485][ T1114] ? packet_sendmsg_spkt+0x14b0/0x14b0 [ 290.020412][ T1114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.027648][ T1114] ? _copy_from_user+0x12c/0x1a0 [ 290.033475][ T1114] packet_setsockopt+0x530/0x2df0 [ 290.039675][ T1114] ? sock_has_perm+0x214/0x2b0 [ 290.045034][ T1114] ? packet_release+0xdd0/0xdd0 [ 290.051055][ T1114] ? selinux_netlbl_sock_rcv_skb+0x4f0/0x4f0 [ 290.058148][ T1114] ? selinux_socket_setsockopt+0x6f/0x90 [ 290.064892][ T1114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.073262][ T1114] __sys_setsockopt+0x261/0x4c0 [ 290.079197][ T1114] ? sock_create_kern+0x50/0x50 [ 290.084804][ T1114] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.091361][ T1114] ? do_syscall_64+0x26/0x790 [ 290.096813][ T1114] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.104129][ T1114] ? do_syscall_64+0x26/0x790 [ 290.109991][ T1114] __x64_sys_setsockopt+0xbe/0x150 [ 290.116507][ T1114] do_syscall_64+0xfa/0x790 [ 290.122166][ T1114] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.129638][ T1114] RIP: 0033:0x45a759 [ 290.134355][ T1114] Code: 8b 6c 24 20 48 83 c4 28 c3 48 8b 1d e1 67 67 01 48 8d 0c 19 48 8d 49 ff 48 ff cb 48 f7 d3 48 21 d9 e9 0c ff ff ff 48 8b 6c 24 <20> 48 83 c4 28 c3 48 89 d8 b9 00 00 40 00 e8 14 4f 00 00 4c 89 c0 [ 290.158960][ T1114] RSP: 002b:00007f314b14fc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 290.168943][ T1114] RAX: ffffffffffffffda RBX: 000000000071c0f8 RCX: 000000000045a759 [ 290.179488][ T1114] RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000005 [ 290.189003][ T1114] RBP: 0000000000000005 R08: 000000000000001c R09: 0000000000000000 [ 290.198985][ T1114] R10: 0000000020000040 R11: 0000000000000246 R12: 00007f314b1506d4 [ 290.208459][ T1114] R13: 00000000004b0a00 R14: 00000000006f5470 R15: 00000000ffffffff [ 290.218673][ T1114] [ 290.218673][ T1114] Showing all locks held in the system: [ 290.228545][ T1114] 1 lock held by khungtaskd/1114: [ 290.234960][ T1114] #0: ffffffff895a4080 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 290.247342][ T1114] 1 lock held by khugepaged/1121: [ 290.253525][ T1114] #0: ffffffff89640460 (pcpu_drain_mutex){+.+.}, at: drain_all_pages+0x4d/0x5d0 [ 290.264540][ T1114] 2 locks held by getty/7937: [ 290.270005][ T1114] #0: ffff888028fd0090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 290.280750][ T1114] #1: ffffc900040062e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 290.291929][ T1114] 2 locks held by getty/7938: [ 290.301512][ T1114] #0: ffff888029cf5090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 290.311866][ T1114] #1: ffffc9000401a2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 290.323226][ T1114] 2 locks held by getty/7939: [ 290.328727][ T1114] #0: ffff88802ac99090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 290.339090][ T1114] #1: ffffc9000401e2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 290.350175][ T1114] 2 locks held by getty/7940: [ 290.355694][ T1114] #0: ffff88802b371090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 290.366010][ T1114] #1: ffffc900040162e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 290.377242][ T1114] 2 locks held by getty/7941: [ 290.382737][ T1114] #0: ffff88802919f090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 290.393319][ T1114] #1: ffffc900040222e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 290.404422][ T1114] 2 locks held by getty/7942: [ 290.410273][ T1114] #0: ffff88802b2d3090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 290.421121][ T1114] #1: ffffc900040022e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 290.432488][ T1114] 2 locks held by getty/7943: [ 290.438161][ T1114] #0: ffff88802aa8a090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 290.448850][ T1114] #1: ffffc900026f22e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 290.460688][ T1114] 6 locks held by syz-executor.0/8014: [ 290.467313][ T1114] 1 lock held by syz-executor.0/8016: [ 290.474000][ T1114] #0: ffff88802b268110 (sk_lock-AF_PACKET){+.+.}, at: packet_setsockopt+0x447/0x2df0 [ 290.485429][ T1114] [ 290.488340][ T1114] ============================================= [ 290.488340][ T1114] [ 290.498574][ T1114] NMI backtrace for cpu 0 [ 290.503701][ T1114] CPU: 0 PID: 1114 Comm: khungtaskd Not tainted 5.4.0-syzkaller #0 [ 290.508494][ T1114] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 290.508494][ T1114] Call Trace: [ 290.508494][ T1114] dump_stack+0x197/0x210 [ 290.508494][ T1114] nmi_cpu_backtrace.cold+0x70/0xb2 [ 290.508494][ T1114] ? vprintk_func+0x86/0x189 [ 290.508494][ T1114] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 290.508494][ T1114] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 290.508494][ T1114] arch_trigger_cpumask_backtrace+0x14/0x20 [ 290.508494][ T1114] watchdog+0xb11/0x10c0 [ 290.508494][ T1114] kthread+0x361/0x430 [ 290.508494][ T1114] ? reset_hung_task_detector+0x30/0x30 [ 290.508494][ T1114] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 290.508494][ T1114] ret_from_fork+0x24/0x30 [ 290.596996][ T1114] Sending NMI from CPU 0 to CPUs 1-3: [ 290.603385][ C1] NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 [ 290.603492][ C3] NMI backtrace for cpu 3 skipped: idling at native_safe_halt+0xe/0x10 [ 290.604184][ C2] NMI backtrace for cpu 2 [ 290.604189][ C2] CPU: 2 PID: 8014 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 290.604194][ C2] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 290.604197][ C2] RIP: 0010:native_write_msr+0x6/0x30 [ 290.604205][ C2] 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 [ 290.604207][ C2] RSP: 0018:ffff88802d4098e8 EFLAGS: 00000082 [ 290.604213][ C2] RAX: 0000000094622bde RBX: 0000000000000000 RCX: 00000000000006e0 [ 290.604216][ C2] RDX: 0000000000000089 RSI: 0000000094622bde RDI: 00000000000006e0 [ 290.604220][ C2] RBP: ffff88802d409900 R08: ffff888010c28140 R09: ffff888010c289d0 [ 290.604223][ C2] R10: fffffbfff146dba0 R11: ffffffff8a36dd07 R12: ffff88802d4227c0 [ 290.604227][ C2] R13: 00000000000006dc R14: 0000000000000000 R15: 0000000000000000 [ 290.604231][ C2] FS: 00007f314b192700(0000) GS:ffff88802d400000(0000) knlGS:0000000000000000 [ 290.604234][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 290.604237][ C2] CR2: ffffffffff600400 CR3: 000000002b191000 CR4: 00000000003406e0 [ 290.604240][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 290.604244][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 290.604246][ C2] Call Trace: [ 290.604247][ C2] [ 290.604250][ C2] ? lapic_next_deadline+0x4d/0x80 [ 290.604253][ C2] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.604255][ C2] clockevents_program_event+0x25c/0x370 [ 290.604258][ C2] tick_program_event+0xb4/0x130 [ 290.604260][ C2] hrtimer_interrupt+0x369/0x770 [ 290.604263][ C2] smp_apic_timer_interrupt+0x160/0x610 [ 290.604265][ C2] apic_timer_interrupt+0xf/0x20 [ 290.604268][ C2] RIP: 0010:_raw_spin_unlock_irqrestore+0x90/0xe0 [ 290.604276][ C2] Code: 48 c7 c0 58 34 53 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 39 48 83 3d ff 25 99 01 00 74 24 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 e1 67 96 f9 65 8b 05 12 10 48 78 [ 290.604278][ C2] RSP: 0018:ffff88802d409b18 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 290.604284][ C2] RAX: 1ffffffff12a668b RBX: 0000000000000282 RCX: 0000000000000002 [ 290.604288][ C2] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000282 [ 290.604291][ C2] RBP: ffff88802d409b28 R08: 1ffffffff15d29ac R09: fffffbfff15d29ad [ 290.604295][ C2] R10: fffffbfff15d29ac R11: ffffffff8ae94d67 R12: ffff88802d427240 [ 290.604298][ C2] R13: ffff88802d427240 R14: ffff88802d427240 R15: ffff88802d427240 [ 290.604301][ C2] ? apic_timer_interrupt+0xa/0x20 [ 290.604303][ C2] mod_timer+0x507/0xc10 [ 290.604306][ C2] ? timer_reduce+0xde0/0xde0 [ 290.604308][ C2] ? lock_acquire+0x190/0x410 [ 290.604311][ C2] ? addrconf_rs_timer+0x317/0x6e0 [ 290.604313][ C2] addrconf_mod_rs_timer+0x7d/0x140 [ 290.604316][ C2] addrconf_rs_timer+0x4a5/0x6e0 [ 290.604318][ C2] ? ipv6_get_lladdr+0x490/0x490 [ 290.604321][ C2] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 290.604323][ C2] call_timer_fn+0x1ac/0x780 [ 290.604325][ C2] ? ipv6_get_lladdr+0x490/0x490 [ 290.604328][ C2] ? msleep_interruptible+0x150/0x150 [ 290.604330][ C2] ? run_timer_softirq+0x6b1/0x1790 [ 290.604333][ C2] ? trace_hardirqs_on+0x67/0x240 [ 290.604335][ C2] ? ipv6_get_lladdr+0x490/0x490 [ 290.604337][ C2] ? ipv6_get_lladdr+0x490/0x490 [ 290.604340][ C2] run_timer_softirq+0x6c3/0x1790 [ 290.604342][ C2] ? add_timer+0x930/0x930 [ 290.604345][ C2] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 290.604347][ C2] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 290.604350][ C2] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 290.604352][ C2] __do_softirq+0x262/0x98c [ 290.604355][ C2] ? sched_clock_cpu+0x14e/0x1b0 [ 290.604357][ C2] irq_exit+0x19b/0x1e0 [ 290.604359][ C2] smp_apic_timer_interrupt+0x1a3/0x610 [ 290.604362][ C2] apic_timer_interrupt+0xf/0x20 [ 290.604363][ C2] [ 290.604366][ C2] RIP: 0010:_raw_spin_unlock_irq+0x4f/0x80 [ 290.604374][ C2] 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 [ 290.604376][ C2] RSP: 0018:ffff88800d88f8d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 290.604382][ C2] RAX: 1ffffffff12a668d RBX: ffff888010c28140 RCX: 0000000000000006 [ 290.604386][ C2] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff888010c289d4 [ 290.604389][ C2] RBP: ffff88800d88f8e0 R08: 1ffffffff15d29b8 R09: fffffbfff15d29b9 [ 290.604392][ C2] R10: fffffbfff15d29b8 R11: ffffffff8ae94dc7 R12: ffff88802d437380 [ 290.604396][ C2] R13: ffff88802c4bc3c0 R14: ffff88802a123680 R15: 0000000000000000 [ 290.604398][ C2] ? _raw_spin_unlock_irq+0x23/0x80 [ 290.604401][ C2] finish_task_switch+0x147/0x750 [ 290.604403][ C2] ? finish_task_switch+0x119/0x750 [ 290.604405][ C2] __schedule+0x8e9/0x1f30 [ 290.604408][ C2] ? __sched_text_start+0x8/0x8 [ 290.604410][ C2] ? __this_cpu_preempt_check+0x35/0x190 [ 290.604413][ C2] ? retint_kernel+0x2b/0x2b [ 290.604415][ C2] ? perf_duration_warn+0x40/0x40 [ 290.604417][ C2] ? preempt_schedule+0x4b/0x60 [ 290.604420][ C2] preempt_schedule_common+0x4f/0xe0 [ 290.604422][ C2] ? __perf_event_enable+0x930/0x930 [ 290.604425][ C2] preempt_schedule+0x4b/0x60 [ 290.604427][ C2] ___preempt_schedule+0x16/0x18 [ 290.604430][ C2] ? smp_call_function_single+0x40b/0x480 [ 290.604432][ C2] smp_call_function_single+0x410/0x480 [ 290.604435][ C2] ? perf_duration_warn+0x40/0x40 [ 290.604437][ C2] ? generic_exec_single+0x4c0/0x4c0 [ 290.604440][ C2] ? __do_sys_perf_event_open+0x174c/0x2c70 [ 290.604442][ C2] ? __perf_event_enable+0x930/0x930 [ 290.604445][ C2] task_function_call+0xe9/0x180 [ 290.604447][ C2] ? perf_event_addr_filters_exec+0x310/0x310 [ 290.604450][ C2] ? __do_sys_perf_event_open+0x174c/0x2c70 [ 290.604453][ C2] ? __perf_event_enable+0x930/0x930 [ 290.604456][ C2] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.604458][ C2] ? exclusive_event_installable+0x257/0x320 [ 290.604461][ C2] perf_install_in_context+0x308/0x5a0 [ 290.604463][ C2] ? list_add_event+0xed0/0xed0 [ 290.604466][ C2] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.604469][ C2] ? __perf_event_header_size.isra.0+0x166/0x1c0 [ 290.604472][ C2] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.604475][ C2] __do_sys_perf_event_open+0x1cbc/0x2c70 [ 290.604477][ C2] ? perf_event_set_output+0x4e0/0x4e0 [ 290.604480][ C2] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.604483][ C2] ? put_timespec64+0xda/0x140 [ 290.604485][ C2] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.604488][ C2] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.604490][ C2] ? do_syscall_64+0x26/0x790 [ 290.604493][ C2] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.604495][ C2] ? do_syscall_64+0x26/0x790 [ 290.604498][ C2] __x64_sys_perf_event_open+0xbe/0x150 [ 290.604500][ C2] do_syscall_64+0xfa/0x790 [ 290.604503][ C2] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.604505][ C2] RIP: 0033:0x45a759 [ 290.604525][ C2] 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 [ 290.604528][ C2] RSP: 002b:00007f314b191c88 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 290.604533][ C2] RAX: ffffffffffffffda RBX: 000000000071bfa8 RCX: 000000000045a759 [ 290.604537][ C2] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 000000002001d000 [ 290.604540][ C2] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 [ 290.604543][ C2] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f314b1926d4 [ 290.604547][ C2] R13: 00000000004aec2b R14: 00000000006f1ca8 R15: 00000000ffffffff [ 290.604608][ T1114] Kernel panic - not syncing: hung_task: blocked tasks [ 290.936510][ T1114] CPU: 0 PID: 1114 Comm: khungtaskd Not tainted 5.4.0-syzkaller #0 [ 290.936510][ T1114] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 290.936510][ T1114] Call Trace: [ 290.936510][ T1114] dump_stack+0x197/0x210 [ 290.936510][ T1114] panic+0x2e3/0x75c [ 290.936510][ T1114] ? add_taint.cold+0x16/0x16 [ 290.936510][ T1114] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 290.936510][ T1114] ? printk_safe_flush+0xf2/0x140 [ 290.936510][ T1114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.936510][ T1114] ? nmi_trigger_cpumask_backtrace+0x224/0x28b [ 290.936510][ T1114] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 290.936510][ T1114] watchdog+0xb22/0x10c0 [ 290.936510][ T1114] kthread+0x361/0x430 [ 290.936510][ T1114] ? reset_hung_task_detector+0x30/0x30 [ 290.936510][ T1114] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 290.936510][ T1114] ret_from_fork+0x24/0x30 [ 290.936510][ T1114] Kernel Offset: disabled [ 290.936510][ T1114] Rebooting in 86400 seconds..