[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.059658][ T23] audit: type=1800 audit(1575369588.215:25): pid=8250 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.079008][ T23] audit: type=1800 audit(1575369588.215:26): pid=8250 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.126266][ T23] audit: type=1800 audit(1575369588.215:27): pid=8250 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. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.32' (ECDSA) to the list of known hosts. 2019/12/03 10:39:59 fuzzer started 2019/12/03 10:40:00 dialing manager at 10.128.0.26:38907 2019/12/03 10:40:00 syscalls: 2697 2019/12/03 10:40:00 code coverage: enabled 2019/12/03 10:40:00 comparison tracing: enabled 2019/12/03 10:40:00 extra coverage: extra coverage is not supported by the kernel 2019/12/03 10:40:00 setuid sandbox: enabled 2019/12/03 10:40:00 namespace sandbox: enabled 2019/12/03 10:40:00 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 10:40:00 fault injection: enabled 2019/12/03 10:40:00 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 10:40:00 net packet injection: enabled 2019/12/03 10:40:00 net device setup: enabled 2019/12/03 10:40:00 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 10:40:00 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:40:01 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) ioctl$int_in(0xffffffffffffffff, 0x800000c0045009, &(0x7f0000000140)=0x10) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000300)='/de\x85\xf3\xb1\nK\xb1\x0e\xfe', 0x220c00, 0x0) dup2(r1, 0xffffffffffffffff) openat$ptmx(0xffffffffffffff9c, 0x0, 0x20000, 0x0) socket$kcm(0x10, 0x200000000000003, 0x4) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext, 0x8224, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x29, 0x0, 0x0) r2 = socket$kcm(0x29, 0x0, 0x0) r3 = socket$kcm(0x29, 0x5, 0x0) ioctl$sock_kcm_SIOCKCMATTACH(r2, 0x8983, &(0x7f00000019c0)={r3}) syz_init_net_socket$ax25(0x3, 0x0, 0x0) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000100), 0x0) io_setup(0x0, &(0x7f0000000080)) syz_open_procfs(0x0, 0x0) syz_open_dev$dri(&(0x7f0000000000)='/dev/dri/card#\x00', 0x1, 0x0) r4 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r4, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000000)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r4, &(0x7f0000000280)={0x3, 0x40, 0xfa00, {{0x6000000, 0x0, 0x0, @rand_addr="0ba9cfcb0a95570fad18d4b835de7d30"}, {0xa, 0x0, 0x0, @mcast1}, r5}}, 0x48) r6 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r6, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000000)={0xffffffffffffffff}}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r0, &(0x7f0000000200)={0x3, 0x40, 0xfa00, {{0xa, 0x0, 0x0, @loopback}, {0xa, 0x0, 0x0, @dev={0xfe, 0x80, [], 0x1}}, r7, 0x9dffffff}}, 0x48) openat$audio(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x0, 0x0) r8 = socket$kcm(0x29, 0x5, 0x0) ioctl$sock_kcm_SIOCKCMATTACH(r8, 0x8983, 0x0) 10:40:01 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f0000000040)={0x3, 0x4, &(0x7f0000000000)=@framed={{0x18, 0x2}, [@call={0x85, 0x0, 0x0, 0x5f}]}, &(0x7f00000000c0)='GPL\x00', 0x5, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x67) syzkaller login: [ 60.696357][ T8418] IPVS: ftp: loaded support on port[0] = 21 [ 60.781934][ T8420] IPVS: ftp: loaded support on port[0] = 21 [ 60.884313][ T8418] chnl_net:caif_netlink_parms(): no params data found 10:40:02 executing program 2: r0 = socket$inet(0x10, 0x3, 0xc) sendmsg(r0, &(0x7f00000000c0)={0x0, 0xffffffffffffff97, &(0x7f0000000100)=[{&(0x7f0000000000)="24000000070a07021dfffd946fa2830020200a0009000200000000000000aba20400ff7e", 0x24}], 0x1}, 0x0) [ 60.927244][ T8418] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.935789][ T8418] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.944579][ T8418] device bridge_slave_0 entered promiscuous mode [ 60.956844][ T8418] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.965369][ T8418] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.974347][ T8418] device bridge_slave_1 entered promiscuous mode [ 61.004852][ T8418] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.023370][ T8418] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.058060][ T8418] team0: Port device team_slave_0 added [ 61.066316][ T8418] team0: Port device team_slave_1 added [ 61.155167][ T8418] device hsr_slave_0 entered promiscuous mode 10:40:02 executing program 3: r0 = memfd_create(&(0x7f0000000000)='/dy\xbdv/autofs\x00', 0x0) mmap(&(0x7f0000000000/0xaa2000)=nil, 0xaa2000, 0x5, 0x11, r0, 0x0) mlock2(&(0x7f000053b000/0x2000)=nil, 0x2000, 0x0) munmap(&(0x7f000053c000/0x2000)=nil, 0x2000) mremap(&(0x7f000053b000/0x1000)=nil, 0x1000, 0x2000, 0x0, &(0x7f0000ffe000/0x2000)=nil) [ 61.231673][ T8418] device hsr_slave_1 entered promiscuous mode [ 61.285264][ T8420] chnl_net:caif_netlink_parms(): no params data found [ 61.366817][ T8420] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.391312][ T8420] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.399327][ T8420] device bridge_slave_0 entered promiscuous mode [ 61.423852][ T8420] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.431097][ T8420] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.446330][ T8424] IPVS: ftp: loaded support on port[0] = 21 [ 61.453025][ T8420] device bridge_slave_1 entered promiscuous mode [ 61.512640][ T8420] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.544099][ T8420] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.573416][ T8418] netdevsim netdevsim0 netdevsim0: renamed from eth0 10:40:02 executing program 4: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x3ea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$usbfs(&(0x7f0000001280)='/dev/bus/usb/00#/00#\x00', 0x200, 0x802) ioctl$USBDEVFS_DISCSIGNAL(r0, 0x8010550e, &(0x7f00000000c0)={0x0, 0x0}) [ 61.626648][ T8420] team0: Port device team_slave_0 added [ 61.643465][ T8418] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.675226][ T8418] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.747581][ T8420] team0: Port device team_slave_1 added [ 61.763172][ T8418] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.776226][ T8426] IPVS: ftp: loaded support on port[0] = 21 [ 61.855944][ T8418] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.866019][ T8418] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.874105][ T8418] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.881235][ T8418] bridge0: port 1(bridge_slave_0) entered forwarding state 10:40:03 executing program 5: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 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, 0x9, 0x0, @perf_bp={0x0}, 0x10000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_int(r0, 0x1, 0x21, &(0x7f00000003c0), 0x160) bind$inet6(r0, &(0x7f0000fa0fe4)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) pipe(&(0x7f0000000000)={0xffffffffffffffff}) syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="0000000021e6802cf6a164327081cf5fcd8f1336448961d49a692bf8a794165008e001bb3c6af61e2ea270ce595a", @ANYBLOB="000128bd7000fedbdf25020000000c00080000000000000000000800010000000000"], 0x2}, 0x1, 0x0, 0x0, 0x20d0}, 0x40010) sendto$inet6(r0, 0x0, 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) sendmsg$TIPC_NL_PUBL_GET(0xffffffffffffffff, 0x0, 0x0) r2 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0xfffffffffffffffd) socketpair(0x1, 0x100000005, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_FILTER(r3, 0x8946, &(0x7f0000000040)='lo:&\xb7`Q\xb1Y\xa9\xc8J,`\xd2\x98\x00\x00\x00 ') ioctl$EXT4_IOC_PRECACHE_EXTENTS(r3, 0x6612) add_key(&(0x7f0000000200)='.dead\x00', &(0x7f0000000240)={'syz', 0x2}, &(0x7f0000000280)="a2ff81d6bfa135aa61e8825b", 0xc, 0xfffffffffffffffa) ftruncate(r2, 0x80003) sendfile(r0, r2, &(0x7f00000000c0), 0x8000fffffffe) socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udplite(0xa, 0x2, 0x88) setsockopt$inet6_udp_int(r4, 0x11, 0xb, &(0x7f0000000180)=0x10000003, 0x4) io_submit(0x0, 0x0, &(0x7f0000000180)) [ 61.927355][ T8420] device hsr_slave_0 entered promiscuous mode [ 61.983245][ T8420] device hsr_slave_1 entered promiscuous mode [ 62.043022][ T8420] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.070841][ T8428] IPVS: ftp: loaded support on port[0] = 21 [ 62.090573][ T3185] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.099032][ T3185] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.176311][ T8424] chnl_net:caif_netlink_parms(): no params data found [ 62.186553][ T8420] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.243417][ T8420] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.254154][ T8431] IPVS: ftp: loaded support on port[0] = 21 [ 62.278321][ T8420] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.323477][ T8420] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.462623][ T8424] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.469864][ T8424] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.477788][ T8424] device bridge_slave_0 entered promiscuous mode [ 62.504757][ T8424] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.512340][ T8424] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.520693][ T8424] device bridge_slave_1 entered promiscuous mode [ 62.582858][ T8424] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.598901][ T8424] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.627705][ T8418] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.645334][ T8426] chnl_net:caif_netlink_parms(): no params data found [ 62.658118][ T8424] team0: Port device team_slave_0 added [ 62.666951][ T8424] team0: Port device team_slave_1 added [ 62.739626][ T8431] chnl_net:caif_netlink_parms(): no params data found [ 62.823441][ T8424] device hsr_slave_0 entered promiscuous mode [ 62.861700][ T8424] device hsr_slave_1 entered promiscuous mode [ 62.901314][ T8424] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.909745][ T8428] chnl_net:caif_netlink_parms(): no params data found [ 62.957556][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.967870][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.979733][ T8418] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.992058][ T8431] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.999350][ T8431] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.015059][ T8431] device bridge_slave_0 entered promiscuous mode [ 63.027260][ T8431] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.035317][ T8431] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.043366][ T8431] device bridge_slave_1 entered promiscuous mode [ 63.080789][ T8426] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.088671][ T8426] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.096984][ T8426] device bridge_slave_0 entered promiscuous mode [ 63.107060][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.118004][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.129058][ T2706] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.136227][ T2706] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.151035][ T8428] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.158875][ T8428] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.167719][ T8428] device bridge_slave_0 entered promiscuous mode [ 63.190501][ T8426] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.198070][ T8426] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.209335][ T8426] device bridge_slave_1 entered promiscuous mode [ 63.229999][ T8426] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.241788][ T8431] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.251102][ T8428] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.259737][ T8428] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.268161][ T8428] device bridge_slave_1 entered promiscuous mode [ 63.275555][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.284903][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.293722][ T8429] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.300887][ T8429] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.319801][ T8424] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 63.365801][ T8426] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.376834][ T8431] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.404781][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.428517][ T8424] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 63.489053][ T8424] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 63.546435][ T8424] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 63.604572][ T8428] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.614949][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.625423][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.634742][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.644097][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.665462][ T8431] team0: Port device team_slave_0 added [ 63.674149][ T8431] team0: Port device team_slave_1 added [ 63.684196][ T8426] team0: Port device team_slave_0 added [ 63.692349][ T8428] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.713459][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.723591][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.732657][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.742033][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.757365][ T8420] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.773828][ T8426] team0: Port device team_slave_1 added [ 63.788552][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.799580][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.812050][ T8418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.874159][ T8431] device hsr_slave_0 entered promiscuous mode [ 63.922141][ T8431] device hsr_slave_1 entered promiscuous mode [ 63.961585][ T8431] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.984469][ T8428] team0: Port device team_slave_0 added [ 63.994063][ T8428] team0: Port device team_slave_1 added [ 64.006446][ T8420] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.095397][ T8426] device hsr_slave_0 entered promiscuous mode [ 64.151936][ T8426] device hsr_slave_1 entered promiscuous mode [ 64.191532][ T8426] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.212969][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.220730][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.236820][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.247387][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.256607][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.263729][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.344393][ T8428] device hsr_slave_0 entered promiscuous mode [ 64.401842][ T8428] device hsr_slave_1 entered promiscuous mode [ 64.441415][ T8428] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.454094][ T8431] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 64.505723][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.516108][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.524880][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.534933][ T2706] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.542199][ T2706] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.574689][ T8431] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.624784][ T8431] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.684108][ T8426] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.746520][ T8426] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.792908][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.800463][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.808503][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.830268][ T8431] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.877651][ T8418] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.885194][ T8426] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 64.914587][ T8426] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 64.964696][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.973729][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.983119][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.992560][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.010271][ T8428] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 65.073590][ T8428] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 65.114321][ T8428] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 65.173147][ T8428] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 65.279306][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.289266][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.323612][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.332489][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.341738][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.350030][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.374527][ T8420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.400723][ T8424] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.441081][ T8426] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.463201][ T8420] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.479987][ T8424] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.518415][ T8431] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.551093][ T8431] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.616239][ T8431] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.636192][ T8431] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.680151][ T8431] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 170.461133][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.470892][ C0] rcu: 0-...!: (1 GPs behind) idle=282/1/0x4000000000000002 softirq=10857/10858 fqs=11 [ 170.480879][ C0] (t=10501 jiffies g=7081 q=673) [ 170.485911][ C0] rcu: rcu_preempt kthread starved for 10479 jiffies! g7081 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 170.497344][ C0] rcu: RCU grace-period kthread stack dump: [ 170.503223][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 170.511121][ C0] Call Trace: [ 170.514424][ C0] __schedule+0x9a0/0xcc0 [ 170.518758][ C0] schedule+0x181/0x210 [ 170.522907][ C0] schedule_timeout+0x14f/0x240 [ 170.527768][ C0] ? run_local_timers+0x120/0x120 [ 170.532961][ C0] rcu_gp_kthread+0xed8/0x1770 [ 170.538334][ C0] kthread+0x332/0x350 [ 170.542578][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 170.547888][ C0] ? kthread_blkcg+0xe0/0xe0 [ 170.552514][ C0] ret_from_fork+0x24/0x30 [ 170.557368][ C0] NMI backtrace for cpu 0 [ 170.561710][ C0] CPU: 0 PID: 8389 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 170.569590][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.579638][ C0] Call Trace: [ 170.582915][ C0] [ 170.585762][ C0] dump_stack+0x1fb/0x318 [ 170.590083][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.594922][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.601086][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.607144][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.613295][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.619269][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.625069][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.630264][ C0] ? trace_hardirqs_off+0x74/0x80 [ 170.635455][ C0] update_process_times+0x12d/0x180 [ 170.640906][ C0] tick_sched_timer+0x263/0x420 [ 170.645920][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.651543][ C0] __hrtimer_run_queues+0x403/0x840 [ 170.656786][ C0] hrtimer_interrupt+0x38c/0xda0 [ 170.661782][ C0] ? debug_smp_processor_id+0x9/0x20 [ 170.667088][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 170.673056][ C0] apic_timer_interrupt+0xf/0x20 [ 170.678077][ C0] [ 170.681118][ C0] RIP: 0010:mod_memcg_page_state+0x6/0x190 [ 170.686916][ C0] Code: 5f 00 eb 0c e8 0b 29 2e 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 <41> 56 41 54 53 41 89 f6 48 89 fb e8 da 28 2e 00 48 83 c3 38 48 89 [ 170.706613][ C0] RSP: 0018:ffffc90001d376c0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 170.715017][ C0] RAX: 1ffff11013d1df31 RBX: ffff88809e8ef988 RCX: 0000000000000000 [ 170.723687][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00029eeb40 [ 170.731652][ C0] RBP: ffffc90001d376c8 R08: 000000000003a768 R09: ffffed10150a32a7 [ 170.740010][ C0] R10: ffffed10150a32a7 R11: 0000000000000000 R12: ffff88809e8ef920 [ 170.748267][ C0] R13: dffffc0000000000 R14: 1ffff11013d1df24 R15: ffff8880a8519528 [ 170.756441][ C0] free_thread_stack+0x168/0x590 [ 170.761916][ C0] put_task_stack+0xa3/0x130 [ 170.767083][ C0] finish_task_switch+0x3f1/0x550 [ 170.772729][ C0] __schedule+0x9a8/0xcc0 [ 170.778177][ C0] preempt_schedule_irq+0xc1/0x140 [ 170.783406][ C0] retint_kernel+0x1b/0x2b [ 170.787819][ C0] RIP: 0010:qlink_free+0x91/0xb0 [ 170.792862][ C0] Code: 58 07 00 74 35 4c 89 f7 57 9d 0f 1f 44 00 00 e8 15 1b ca ff eb 19 e8 ae 18 ca ff 48 83 3d 0e 7a 58 07 00 74 17 4c 89 f7 57 9d <0f> 1f 44 00 00 5b 41 5e 41 5f 5d c3 0f 0b 0f 0b 0f 0b 0f 0b 90 66 [ 170.814640][ C0] RSP: 0018:ffffc90001d37928 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02 [ 170.823492][ C0] RAX: ffff888095e12a54 RBX: ffff8880a04882c0 RCX: ffffffff815c0597 [ 170.833574][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000286 [ 170.842154][ C0] RBP: ffffc90001d37940 R08: ffff888095e12a18 R09: fffffbfff13c852e [ 170.850487][ C0] R10: fffffbfff13c852e R11: 0000000000000000 R12: ffff8880a04882c0 [ 170.859078][ C0] R13: 0000000000000020 R14: 0000000000000286 R15: ffff8880aa9f9a80 [ 170.867168][ C0] ? mark_lock+0x107/0x1650 [ 170.872029][ C0] quarantine_reduce+0x15e/0x1d0 [ 170.880144][ C0] __kasan_kmalloc+0x46/0x1b0 [ 170.885046][ C0] ? __kasan_check_read+0x11/0x20 [ 170.890360][ C0] ? mark_lock+0x107/0x1650 [ 170.895090][ C0] ? register_lock_class+0x99/0xea0 [ 170.900286][ C0] ? kmem_cache_alloc+0x1f5/0x2e0 [ 170.905473][ C0] ? shmem_alloc_inode+0x1b/0x40 [ 170.910634][ C0] ? new_inode_pseudo+0x68/0x240 [ 170.915748][ C0] ? __kasan_check_read+0x11/0x20 [ 170.920852][ C0] ? mark_lock+0x107/0x1650 [ 170.925566][ C0] ? smack_inode_init_security+0x3cf/0x490 [ 170.932517][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 170.939915][ C0] ? __kmalloc_track_caller+0x1bf/0x340 [ 170.946400][ C0] kasan_slab_alloc+0xf/0x20 [ 170.952404][ C0] __kmalloc_track_caller+0x22a/0x340 [ 170.957979][ C0] ? smack_inode_init_security+0x3cf/0x490 [ 170.965866][ C0] kstrdup+0x34/0x70 [ 170.969772][ C0] smack_inode_init_security+0x3cf/0x490 [ 170.975526][ C0] security_inode_init_security+0xfe/0x310 [ 170.982319][ C0] ? shmem_tmpfile+0x100/0x100 [ 170.987195][ C0] shmem_symlink+0xc8/0x6f0 [ 170.991944][ C0] vfs_symlink+0x36f/0x4f0 [ 170.997042][ C0] do_symlinkat+0x187/0x3f0 [ 171.002041][ C0] __x64_sys_symlink+0x60/0x70 [ 171.007333][ C0] do_syscall_64+0xf7/0x1c0 [ 171.012888][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.019705][ C0] RIP: 0033:0x7f9818a4c517 [ 171.024388][ C0] Code: 09 01 00 00 0f 05 48 3d 00 f0 ff ff 77 02 f3 c3 48 8b 15 14 39 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d f1 38 2b 00 31 d2 48 29 c2 64 [ 171.044810][ C0] RSP: 002b:00007ffc209ed758 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 [ 171.053392][ C0] RAX: ffffffffffffffda RBX: 00000000020e3250 RCX: 00007f9818a4c517 [ 171.061737][ C0] RDX: 0000000000000002 RSI: 00007ffc209ed780 RDI: 00000000020fc5b0 [ 171.070109][ C0] RBP: 00000000020e32d0 R08: 00007ffc209ed330 R09: 00007f9818aa0de0 [ 171.079587][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000020 [ 171.088374][ C0] R13: 00000000020e7790 R14: 00000000020e3250 R15: 000000000000000b