[ 51.771400][ T27] audit: type=1800 audit(1578453245.316:25): pid=8441 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.790963][ T27] audit: type=1800 audit(1578453245.316:26): pid=8441 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.839712][ T27] audit: type=1800 audit(1578453245.316:27): pid=8441 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 52.440369][ T8507] sshd (8507) used greatest stack depth: 24024 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.8' (ECDSA) to the list of known hosts. 2020/01/08 03:14:15 fuzzer started syzkaller login: [ 62.607504][ T8600] cc1 (8600) used greatest stack depth: 23896 bytes left 2020/01/08 03:14:17 dialing manager at 10.128.0.26:35703 2020/01/08 03:14:17 syscalls: 2824 2020/01/08 03:14:17 code coverage: enabled 2020/01/08 03:14:17 comparison tracing: enabled 2020/01/08 03:14:17 extra coverage: enabled 2020/01/08 03:14:17 setuid sandbox: enabled 2020/01/08 03:14:17 namespace sandbox: enabled 2020/01/08 03:14:17 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:14:17 fault injection: enabled 2020/01/08 03:14:17 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:14:17 net packet injection: enabled 2020/01/08 03:14:17 net device setup: enabled 2020/01/08 03:14:17 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:14:17 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:14:18 executing program 0: ioctl$FS_IOC_GETFLAGS(0xffffffffffffffff, 0x80086601, 0x0) splice(0xffffffffffffffff, &(0x7f0000000280), 0xffffffffffffffff, &(0x7f0000000340)=0xfffffffffffffff8, 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) semget(0x0, 0x0, 0x208) perf_event_open(&(0x7f000001d000)={0x1, 0x325, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x111, 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, 0x0, 0x0, 0x5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, 0x0) ioctl$PERF_EVENT_IOC_SET_BPF(0xffffffffffffffff, 0x40042408, r0) execveat(r0, &(0x7f0000000040)='\x00', 0x0, 0x0, 0x0) socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$FS_IOC_GET_ENCRYPTION_PWSALT(0xffffffffffffffff, 0x40106614, 0x0) ioctl$TCSETAF(0xffffffffffffffff, 0x5408, 0x0) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) mq_getsetattr(0xffffffffffffffff, 0x0, 0x0) ioctl(0xffffffffffffffff, 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) keyctl$set_reqkey_keyring(0xe, 0x200000001) request_key(0x0, 0x0, &(0x7f00000000c0)='\xd1?\xf3\xd7v', 0x0) 03:14:18 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x9) sendmsg(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000340)=[{&(0x7f0000000040)="24000000f30307041dfffd946f610500020000001f00000000000800050016000400ff7e", 0x24}], 0x1}, 0x0) [ 65.058400][ T8607] IPVS: ftp: loaded support on port[0] = 21 03:14:18 executing program 2: syz_mount_image$xfs(&(0x7f0000000080)='xfs\x00', &(0x7f00000000c0)='./file1\x00', 0x0, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000100)="e9a9ed3ce404c320a06ecdd0976956abee1994724905ed0d13acee43e031721fe084a2e4c01d73ef9b8836fb367adfc15a6babf039222b5c27eb08189087733164aba3b12781f9d798a65a2e582562c90d66ed2ee9699d6fd9defab178f00bc2b145f7e7c9658fb3b1b8d730929ca0e488ad88b49fcf72a582e7787493ad4cc9c53bd38a4e8a4d6584bf22685c702db8feef9b02cb02783865ecc6992986b741872f296a348afab98cafc867e63d5b13f29ae33ba4c76c1ee5a8f9bf21a647c24be96d5d342129471d415e829c2eceaf055adec6dc330e2b46c6d3e865e1ee8d4afac0dc054babb01c", 0xe9}, {0x0, 0x0, 0x6275}], 0x0, 0x0) [ 65.176566][ T8609] IPVS: ftp: loaded support on port[0] = 21 [ 65.285496][ T8607] chnl_net:caif_netlink_parms(): no params data found [ 65.397784][ T8607] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.406831][ T8607] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.415542][ T8607] device bridge_slave_0 entered promiscuous mode [ 65.432689][ T8609] chnl_net:caif_netlink_parms(): no params data found [ 65.442829][ T8607] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.450850][ T8607] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.458871][ T8607] device bridge_slave_1 entered promiscuous mode 03:14:19 executing program 3: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x0, 0xc0831, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x22, &(0x7f0000000000), 0x10) [ 65.497754][ T8613] IPVS: ftp: loaded support on port[0] = 21 [ 65.498495][ T8609] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.512300][ T8609] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.520601][ T8609] device bridge_slave_0 entered promiscuous mode [ 65.550704][ T8609] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.560550][ T8609] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.568417][ T8609] device bridge_slave_1 entered promiscuous mode [ 65.577695][ T8607] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.613439][ T8607] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.648426][ T8609] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.680617][ T8607] team0: Port device team_slave_0 added [ 65.687620][ T8609] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.753680][ T8607] team0: Port device team_slave_1 added [ 65.761607][ T8609] team0: Port device team_slave_0 added 03:14:19 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r3, &(0x7f0000000140)={0xa, 0x0, 0x0, @mcast2, 0x2}, 0x1c) sendto$inet6(r3, &(0x7f0000000300), 0xfdb8, 0x4008080, &(0x7f00000000c0)={0xa, 0x4e23, 0x0, @ipv4={[], [], @multicast2}}, 0x1c) sendmmsg(r3, &(0x7f00000013c0)=[{{0x0, 0x0, &(0x7f0000000640)=[{&(0x7f0000000000)="2205509705f4942ee8f2060eba5d1f6633", 0x11}, {&(0x7f0000000080)="7a73ef3bc898f64b549e8b95d5c8", 0xe}, {&(0x7f00000004c0)="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", 0xfc}, {&(0x7f0000000100)="2628cc4b8a432fdbbdfc22bfaebd4ab759fe6ff8bbdeab27582f1ab9ff0915ae3695647fbf1244c9111bfa254c", 0x2d}, {&(0x7f0000000180)="b81e2a4c897498ee5c9f63887b3d01b5987774e9c7a0ce00756b1eac2cd66839a5645ae8ac97f678de2cbe53e0c6cc7f11c6a6a67e578402efca81dc2d61ba5730", 0x41}, {&(0x7f00000005c0)="20a73a38ddd92023e1af099756e3c2ebb50fecef19d3abb7bf5116dd60941c90f3a93faabd2579f740937da56d567c8ff7d53686a38308f59cc31be724a25b1adff666e3176649f2369fc0e4f481d970f5b71f9d9f842fe9e8ed1e5e1360cc22f231fbc6dfe195619ade49ea4e9a5968d693848f", 0x74}], 0x6}}, {{0x0, 0x0, &(0x7f0000000980)=[{&(0x7f0000000740)="61ec05a8c3250acb0feda24a672bdb638e8a727b8dcc79c700e11a5306fae8643450fd38b7b7055138781bbe855f0d", 0x2f}], 0x1}}], 0x2, 0x8040) [ 65.802981][ T8609] team0: Port device team_slave_1 added [ 65.872146][ T8607] device hsr_slave_0 entered promiscuous mode [ 65.921786][ T8607] device hsr_slave_1 entered promiscuous mode [ 65.987181][ T8619] IPVS: ftp: loaded support on port[0] = 21 [ 65.998848][ T8613] chnl_net:caif_netlink_parms(): no params data found [ 66.016476][ T8616] IPVS: ftp: loaded support on port[0] = 21 03:14:19 executing program 5: r0 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet_int(r0, 0x1f00000000000000, 0xc8, 0x0, 0x0) [ 66.123038][ T8609] device hsr_slave_0 entered promiscuous mode [ 66.169785][ T8609] device hsr_slave_1 entered promiscuous mode [ 66.229530][ T8609] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.237549][ T8609] Cannot create hsr debugfs directory [ 66.278364][ T8613] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.287592][ T8613] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.295507][ T8613] device bridge_slave_0 entered promiscuous mode [ 66.327825][ T8613] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.328670][ T8621] IPVS: ftp: loaded support on port[0] = 21 [ 66.335024][ T8613] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.349208][ T8613] device bridge_slave_1 entered promiscuous mode [ 66.415293][ T8607] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.452095][ T8613] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.464819][ T8613] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.503775][ T8607] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.563092][ T8607] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.623890][ T8607] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.712166][ T8613] team0: Port device team_slave_0 added [ 66.733468][ T8613] team0: Port device team_slave_1 added [ 66.756695][ T8619] chnl_net:caif_netlink_parms(): no params data found [ 66.822420][ T8613] device hsr_slave_0 entered promiscuous mode [ 66.879828][ T8613] device hsr_slave_1 entered promiscuous mode [ 66.919569][ T8613] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.927156][ T8613] Cannot create hsr debugfs directory [ 67.005299][ T8609] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.066067][ T8609] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.164752][ T8609] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.223273][ T8609] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.268204][ T8621] chnl_net:caif_netlink_parms(): no params data found [ 67.306619][ T8616] chnl_net:caif_netlink_parms(): no params data found [ 67.315293][ T8619] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.322716][ T8619] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.330817][ T8619] device bridge_slave_0 entered promiscuous mode [ 67.350606][ T8621] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.357725][ T8621] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.365727][ T8621] device bridge_slave_0 entered promiscuous mode [ 67.384592][ T8619] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.391991][ T8619] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.399782][ T8619] device bridge_slave_1 entered promiscuous mode [ 67.411610][ T8621] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.418781][ T8621] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.427113][ T8621] device bridge_slave_1 entered promiscuous mode [ 67.471815][ T8621] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.496844][ T8619] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.508617][ T8621] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.534581][ T8616] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.545455][ T8616] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.553689][ T8616] device bridge_slave_0 entered promiscuous mode [ 67.564326][ T8619] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.580521][ T8621] team0: Port device team_slave_0 added [ 67.586404][ T8613] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.634071][ T8613] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.691458][ T8613] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.741441][ T8616] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.748528][ T8616] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.756346][ T8616] device bridge_slave_1 entered promiscuous mode [ 67.773823][ T8621] team0: Port device team_slave_1 added [ 67.790960][ T8613] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.844849][ T8616] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.880277][ T8619] team0: Port device team_slave_0 added [ 67.888723][ T8616] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.942259][ T8621] device hsr_slave_0 entered promiscuous mode [ 67.979685][ T8621] device hsr_slave_1 entered promiscuous mode [ 68.039601][ T8621] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.047197][ T8621] Cannot create hsr debugfs directory [ 68.057869][ T8619] team0: Port device team_slave_1 added [ 68.093795][ T8607] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.172575][ T8619] device hsr_slave_0 entered promiscuous mode [ 68.209809][ T8619] device hsr_slave_1 entered promiscuous mode [ 68.249531][ T8619] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.257252][ T8619] Cannot create hsr debugfs directory [ 68.273410][ T8616] team0: Port device team_slave_0 added [ 68.295944][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.304592][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.318167][ T8616] team0: Port device team_slave_1 added [ 68.383920][ T8616] device hsr_slave_0 entered promiscuous mode [ 68.419854][ T8616] device hsr_slave_1 entered promiscuous mode [ 68.459634][ T8616] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.467264][ T8616] Cannot create hsr debugfs directory [ 68.474942][ T8607] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.504512][ T8609] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.526960][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.541307][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.550996][ T2689] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.558195][ T2689] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.571666][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.580220][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.588725][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.597310][ T2689] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.604511][ T2689] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.638116][ T8613] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.647617][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.656087][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.664368][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.708359][ T8609] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.738004][ T8621] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.771447][ T8619] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.813180][ T8619] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.861057][ T3184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.870175][ T3184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.878215][ T3184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.897853][ T8607] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.909673][ T8607] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.923446][ T8613] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.933793][ T8621] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.985311][ T8619] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.041368][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.050462][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.058768][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.067470][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.076084][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.086443][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.097934][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.106319][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.114613][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.123240][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.131677][ T2689] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.138706][ T2689] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.158478][ T8607] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.180081][ T8621] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.233176][ T8619] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.291501][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.299251][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.306898][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.314901][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.322767][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.330866][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.339788][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.348048][ T2689] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.355134][ T2689] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.362703][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.371320][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.379781][ T2689] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.386825][ T2689] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.394432][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.402872][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.411470][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.420002][ T2689] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.427049][ T2689] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.434908][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.457132][ T8621] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.535748][ T8616] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.572230][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.581109][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.590225][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.599298][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.609850][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.618476][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.636378][ T8616] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.682241][ T8616] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.711178][ T8616] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.766053][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.774996][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.785050][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.793766][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.802582][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.811047][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.819283][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.840157][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.848659][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.861388][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.872336][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.881440][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.890965][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.899167][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.908089][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.938796][ T8607] device veth0_vlan entered promiscuous mode [ 69.951428][ T8609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.964023][ T8613] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.978561][ T8613] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.986666][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.996051][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.004543][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.012850][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.024735][ T8607] device veth1_vlan entered promiscuous mode [ 70.062000][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.073661][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.081791][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.115516][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.124057][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.132247][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.154300][ T8609] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.180038][ T8613] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.194280][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.203486][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.229860][ T8621] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.253644][ T8619] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.303614][ T8616] 8021q: adding VLAN 0 to HW filter on device bond0 [ 175.319335][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.326319][ C1] rcu: 1-...!: (10500 ticks this GP) idle=85a/1/0x4000000000000002 softirq=14912/14912 fqs=0 [ 175.337015][ C1] (t=10500 jiffies g=6785 q=146) [ 175.342045][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g6785 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 175.353394][ C1] rcu: RCU grace-period kthread stack dump: [ 175.359305][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.367200][ C1] Call Trace: [ 175.370504][ C1] __schedule+0x9a0/0xcc0 [ 175.374832][ C1] schedule+0x181/0x210 [ 175.378986][ C1] schedule_timeout+0x14f/0x240 [ 175.383829][ C1] ? run_local_timers+0x120/0x120 [ 175.388866][ C1] rcu_gp_kthread+0xed8/0x1770 [ 175.393630][ C1] kthread+0x332/0x350 [ 175.397685][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 175.402785][ C1] ? kthread_blkcg+0xe0/0xe0 [ 175.407452][ C1] ret_from_fork+0x24/0x30 [ 175.411883][ C1] NMI backtrace for cpu 1 [ 175.416206][ C1] CPU: 1 PID: 8613 Comm: syz-executor.2 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.424857][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.434911][ C1] Call Trace: [ 175.438189][ C1] [ 175.441032][ C1] dump_stack+0x1fb/0x318 [ 175.445353][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.450201][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.456455][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.463467][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.469565][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.475533][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.480642][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.485918][ C1] ? trace_hardirqs_off+0x74/0x80 [ 175.490947][ C1] update_process_times+0x12d/0x180 [ 175.496148][ C1] tick_sched_timer+0x263/0x420 [ 175.502040][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.507575][ C1] __hrtimer_run_queues+0x403/0x840 [ 175.512800][ C1] hrtimer_interrupt+0x38c/0xda0 [ 175.517746][ C1] ? debug_smp_processor_id+0x9/0x20 [ 175.523027][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 175.528567][ C1] apic_timer_interrupt+0xf/0x20 [ 175.533497][ C1] [ 175.536430][ C1] RIP: 0010:mod_memcg_page_state+0x11e/0x190 [ 175.542421][ C1] Code: c7 68 95 2a 89 e8 22 8f 6a 00 48 83 3d b2 fd e1 07 00 74 70 e8 c3 26 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 e8 44 cf 33 00 eb 43 ad 26 2e 00 eb 3c e8 d6 cc 33 00 48 c7 c0 68 95 2a 89 48 c1 e8 [ 175.562263][ C1] RSP: 0018:ffffc90001f57a98 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.570695][ C1] RAX: 1ffffd4000512327 RBX: 0000000000000000 RCX: ffff88808a082240 [ 175.578773][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002891900 [ 175.587541][ C1] RBP: ffffc90001f57ab8 R08: 000000000003a728 R09: ffffed1012665f21 [ 175.595637][ C1] R10: ffffed1012665f21 R11: 0000000000000000 R12: dffffc0000000000 [ 175.603622][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809332f8f8 [ 175.611641][ C1] ? mod_memcg_page_state+0x16/0x190 [ 175.616924][ C1] free_thread_stack+0x168/0x590 [ 175.621855][ C1] put_task_stack+0xa3/0x130 [ 175.626437][ C1] finish_task_switch+0x3f1/0x550 [ 175.631638][ C1] __schedule+0x9a8/0xcc0 [ 175.636069][ C1] preempt_schedule_irq+0xc1/0x140 [ 175.642223][ C1] retint_kernel+0x1b/0x2b [ 175.646810][ C1] RIP: 0010:kmem_cache_free+0xc8/0xf0 [ 175.652197][ C1] Code: 77 07 00 74 42 4c 89 f7 57 9d 0f 1f 44 00 00 e8 5e b3 c9 ff eb 19 e8 f7 b0 c9 ff 48 83 3d a7 e1 77 07 00 74 24 4c 89 f7 57 9d <0f> 1f 44 00 00 4c 89 e7 4c 89 fe e8 58 01 00 00 5b 41 5c 41 5e 41 [ 175.671889][ C1] RSP: 0018:ffffc90001f57d10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 175.680603][ C1] RAX: ffff88808a082ad4 RBX: ffff8880aa5ed000 RCX: ffff88808a082240 [ 175.688853][ C1] RDX: 0000000000000000 RSI: ffffffff83536e14 RDI: 0000000000000286 [ 175.696907][ C1] RBP: ffffc90001f57d30 R08: ffff88808a082a98 R09: ffffc90001f57b14 [ 175.704877][ C1] R10: 000000000000000b R11: 0000000000000000 R12: ffffffff83536e14 [ 175.712851][ C1] R13: ffff8880a66702c0 R14: 0000000000000286 R15: ffff8880a38de108 [ 175.720910][ C1] ? security_file_free+0xc4/0xe0 [ 175.725926][ C1] ? security_file_free+0xc4/0xe0 [ 175.731046][ C1] security_file_free+0xc4/0xe0 [ 175.736151][ C1] __fput+0x506/0x740 [ 175.740146][ C1] ____fput+0x15/0x20 [ 175.744314][ C1] task_work_run+0x17e/0x1b0 [ 175.748964][ C1] prepare_exit_to_usermode+0x483/0x5b0 [ 175.754815][ C1] syscall_return_slowpath+0x113/0x4a0 [ 175.760275][ C1] do_syscall_64+0x11f/0x1c0 [ 175.764859][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.770858][ C1] RIP: 0033:0x45ed03 [ 175.774787][ C1] Code: 48 89 ee 48 89 e7 e8 5c 16 fa ff 31 c0 48 89 e2 be 33 89 00 00 89 df e8 bb c0 ff ff 85 c0 78 17 48 63 fb b8 03 00 00 00 0f 05 <8b> 44 24 10 48 83 c4 38 5b 5d c3 66 90 48 c7 c2 d4 ff ff ff 48 63 [ 175.794483][ C1] RSP: 002b:00007ffc39a7a860 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 175.802885][ C1] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 000000000045ed03 [ 175.810850][ C1] RDX: 00007ffc39a7a860 RSI: 0000000000008933 RDI: 0000000000000004 [ 175.819342][ C1] RBP: 00000000004c0357 R08: 0000000000000005 R09: 0000000000000008 [ 175.827511][ C1] R10: 0000000000000078 R11: 0000000000000246 R12: 0000000000000003 [ 175.835474][ C1] R13: 0000000000000000 R14: 0000000000000006 R15: 00007ffc39a7ac90