[ 43.492197][ T25] audit: type=1800 audit(1575370285.393:27): pid=7996 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.534322][ T25] audit: type=1800 audit(1575370285.393:28): pid=7996 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.171864][ T25] audit: type=1800 audit(1575370286.133:29): pid=7996 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 44.195444][ T25] audit: type=1800 audit(1575370286.153:30): pid=7996 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.91' (ECDSA) to the list of known hosts. 2019/12/03 10:51:36 fuzzer started 2019/12/03 10:51:38 dialing manager at 10.128.0.26:38907 2019/12/03 10:51:38 syscalls: 2697 2019/12/03 10:51:38 code coverage: enabled 2019/12/03 10:51:38 comparison tracing: enabled 2019/12/03 10:51:38 extra coverage: extra coverage is not supported by the kernel 2019/12/03 10:51:38 setuid sandbox: enabled 2019/12/03 10:51:38 namespace sandbox: enabled 2019/12/03 10:51:38 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 10:51:38 fault injection: enabled 2019/12/03 10:51:38 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 10:51:38 net packet injection: enabled 2019/12/03 10:51:38 net device setup: enabled 2019/12/03 10:51:38 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 10:51:38 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:51:39 executing program 0: 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, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x1, 0x5, &(0x7f0000000500)=ANY=[@ANYBLOB="bf16000000000000b70700000100f0ff4870000000200001500000000000000095000000000000002ba728041598d6fbd30cb5993b31e83d24a3aa81d36b929f894fb27efcc4206fbc8b37b3e08d13bd23212fb56fa54f26fb0b71d0e6adfefc41d86bd917487960717142fa9ea4318123741c0a0e168c1886d0d4d94f2f4e345c652fbc1626e3a2a2ad35806150ae0209e61b51ee6e0dc8ce974a22a550d6fd70800c86ae3b3e05df3ceb9fc474c2a100c788b277beee1cbf9b0a4def23d410f6296b32a8343881dcc7b1b85f3c3d44aeaccd3641110bec4e90a6341965c39e4b3431abe802f5ab3e89cf6c662ed4048d3b3e22278d00031e5388940fba11ee5c867ddd58211d6ececb0cd2b6d357b8580218ce740068725837074e468ee23fd2f73902ebcfcf"], &(0x7f0000000140)='vS\xfdIG|\x8aL[\xf2\'\x9c\xea\xb1\xc0\xb1\x19\x91\x9d/Q\xd9\xe3T\xce\xdax;\x02%\xc5\x1c\xd5GA\xad[(\xbblZ\x01\x1dF\x92#]%sj\xd0i\xc6C\x1f&\xe2\xc5\xa5z\x7f\xe1 \xfb\xc27\x03\x84\x8e\xef\x82-\xfc$$\xaf\v\xbd\x95\x1e\x0f\xbeVI\xec\r!\f\x86\xf5\xfb[Y\x1e\xd4\xdfc\xb1\xc8\xa2\xc1/5\xffr\x1f\x80@\xb8F\xea\xde\x93\xa1\xcb6\xee\xf2\xce\x95\xf2\xfdxR\x17F\xad\xc1~\xa2\x97=O^o\"\xbb\xa8\x9746'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000180)={r0, 0x0, 0x1ea, 0xfffffffffffffe17, &(0x7f0000000380)="263abd030e98ff4dc870bd6688a8640888a8", 0x0, 0x1200, 0x0, 0x160, 0x0, &(0x7f00000003c0)="20af6fbbf78e718091088a1ce32142e35771cef91c7bd37f4890fbdf3d6f1b7111b561a800f90b90998cfed4a75b1033f924dcfbe63a84da762443a0df1f4e214244d8f34bbc9c5cf27206d5ce6c426ef942069a76464c66fd96103783f49f28a48cd87224d6edeb29c24718024016c796ce72489a73eb96c782cf7c79c9fc21a24e6258f4a151472cc548765091428ab27a2bb6827af344ddd0308c932222125c166daa122b7cb8a8bc79759a1f9f68e98fc3e7641696b8c1e69bb866df6927d1e79095af5f3749845cae0ddd00"/215, &(0x7f00000001c0)="6d62f5982140af8e40d8f48b0530415a5ed8fb896fcd5468a1ab529db7e65ac71e52b3d6a74ae0be4de3d1408311286dbeca39b819273189a9e5f9ceb78120eec1c3326dde3e60"}, 0x28) 10:51:39 executing program 1: r0 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x8100, &(0x7f0000000140)=[{&(0x7f0000000040)="2e0000001c008104e00f80ecdb4cb91a03c804a00c000000810040fb12000100040fda1b40d819a906000500000f", 0x4d0}], 0x1, 0x0, 0x0, 0x10}, 0x0) syzkaller login: [ 57.479628][ T8163] IPVS: ftp: loaded support on port[0] = 21 10:51:39 executing program 2: mknod(&(0x7f0000000180)='./file0\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0xeb, 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) perf_event_open(&(0x7f000000a000)={0x6, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_config_ext, 0x8000000200007148, 0x800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000)) [ 57.643506][ T8166] IPVS: ftp: loaded support on port[0] = 21 [ 57.656136][ T8163] chnl_net:caif_netlink_parms(): no params data found [ 57.766560][ T8163] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.791566][ T8163] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.799327][ T8163] device bridge_slave_0 entered promiscuous mode [ 57.821671][ T8163] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.828833][ T8163] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.836892][ T8163] device bridge_slave_1 entered promiscuous mode [ 57.853940][ T8168] IPVS: ftp: loaded support on port[0] = 21 [ 57.866048][ T8163] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.878602][ T8163] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.919751][ T8163] team0: Port device team_slave_0 added [ 57.928548][ T8163] team0: Port device team_slave_1 added 10:51:39 executing program 3: unshare(0x400) pipe(&(0x7f0000000780)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) splice(r1, 0x0, r0, 0x0, 0x10000, 0x0) [ 58.024867][ T8163] device hsr_slave_0 entered promiscuous mode [ 58.091627][ T8163] device hsr_slave_1 entered promiscuous mode [ 58.143862][ T8166] chnl_net:caif_netlink_parms(): no params data found [ 58.186193][ T8171] IPVS: ftp: loaded support on port[0] = 21 10:51:40 executing program 4: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000440)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000540)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000380)={0xffffffffffffffff}, 0x13f}}, 0x20) write$RDMA_USER_CM_CMD_SET_OPTION(r0, &(0x7f0000000280)={0xe, 0x18, 0xfa00, @id_resuseaddr={0x0, r1}}, 0x20) [ 58.275397][ T8163] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.356343][ T8166] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.366422][ T8166] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.374944][ T8166] device bridge_slave_0 entered promiscuous mode [ 58.385107][ T8163] netdevsim netdevsim0 netdevsim1: renamed from eth1 10:51:40 executing program 5: setsockopt$inet6_MRT6_DEL_MFC_PROXY(0xffffffffffffffff, 0x29, 0xd3, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x165, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x800000000000, 0x0, 0x0, 0x8000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x365f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000240), 0x3}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='cgroup.stat\x00', 0x0, 0x0) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000900)={0x0, r0}, 0x10) socket$alg(0x26, 0x5, 0x0) bind$alg(0xffffffffffffffff, &(0x7f0000000bc0)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_nopr_hmac_sha1\x00'}, 0x9) getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffff9c, 0x84, 0xe, &(0x7f0000000100)={0x0, 0x6, 0x4000, 0xfffffffffffffffc, 0x8, 0x0, 0x0, 0x33, {0x0, @in={{0x2, 0x4e22, @multicast2}}, 0x0, 0xdbd, 0x9, 0xf74a, 0xfffffff800000000}}, 0x0) setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000001980)={0x0, 0x0, 0x1000000000, 0x806}, 0x10) r1 = socket$key(0xf, 0x3, 0x2) r2 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = syz_open_dev$vcsn(&(0x7f0000000300)='/dev/vcs#\x00', 0x1f, 0x44400) renameat2(r2, &(0x7f00000002c0)='./file0\x00', r3, &(0x7f0000000080)='./file0\x00', 0x2) ioctl$sock_inet_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000280)={'blsf0\x00', {0x2, 0x4e22, @rand_addr=0x49}}) r4 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r4, 0x10c, 0x3, &(0x7f0000000000), 0x4) connect$llc(r4, &(0x7f0000000040)={0x1a, 0x337, 0x4b, 0x4, 0x3, 0x7f, @random="c0441d4f2c36"}, 0x10) add_key(&(0x7f0000000380)='L\x05g_jey\x1d\xf8\x9d\x0e\x94\xebT%X\xc8V\xdb\xa8\xb9%\xa7eI\xd4\xa1\x9e\xf7\xd5:\v\xa2\x10\xa2\x7f1\xd3&\xde;\x89\xa5\x00vE\xa0P\x92`\xef\x95,\xb5Zg\x90\xbc\x96\xc0u\x06\xb27\x0f\x18\xfe\xf3T\xea\xa0\xf3\xcc+`H\x88z\x9ba\x1e\n\x890\xc5\xc4\xd0\x93\xc3s\xf6\xcaY\xbe6\xf7 \x81\xac\x87\xc9\x1b\x9a\xfepq\xf5\xd3\x98\x9e\xa4q\xce\xb5B\x04\xe9\xda\xaf\xa81\x16\x99\xdb\x1c\xbeP\xcf\x04\xdf\xc7\x8e', &(0x7f0000000440)={'syz', 0x2}, &(0x7f0000000000)="67e0e40e36c7615fa74e62fbcf180aedce8dc4fdf0a8fa06bb31fbaebefd0e97", 0xfffffe5e, 0xfffffffffffffffb) [ 58.495022][ T8166] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.504931][ T8174] IPVS: ftp: loaded support on port[0] = 21 [ 58.513597][ T8166] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.531419][ T8166] device bridge_slave_1 entered promiscuous mode [ 58.538745][ T8168] chnl_net:caif_netlink_parms(): no params data found [ 58.547963][ T8163] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.594609][ T8163] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.674904][ T8166] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.686131][ T8166] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.715428][ T8177] IPVS: ftp: loaded support on port[0] = 21 [ 58.763721][ T8168] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.770871][ T8168] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.778901][ T8168] device bridge_slave_0 entered promiscuous mode [ 58.789071][ T8168] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.796275][ T8168] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.803980][ T8168] device bridge_slave_1 entered promiscuous mode [ 58.814410][ T8166] team0: Port device team_slave_0 added [ 58.853283][ T8166] team0: Port device team_slave_1 added [ 58.867999][ T8168] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.900283][ T8168] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.964984][ T8166] device hsr_slave_0 entered promiscuous mode [ 59.003054][ T8166] device hsr_slave_1 entered promiscuous mode [ 59.041519][ T8166] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.068865][ T8171] chnl_net:caif_netlink_parms(): no params data found [ 59.118207][ T8168] team0: Port device team_slave_0 added [ 59.142506][ T8166] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.176203][ T8168] team0: Port device team_slave_1 added [ 59.193921][ T8174] chnl_net:caif_netlink_parms(): no params data found [ 59.203072][ T8166] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.295103][ T8168] device hsr_slave_0 entered promiscuous mode [ 59.341777][ T8168] device hsr_slave_1 entered promiscuous mode [ 59.401462][ T8168] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.410446][ T8166] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.481488][ T8171] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.488608][ T8171] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.496581][ T8171] device bridge_slave_0 entered promiscuous mode [ 59.507580][ T8171] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.514679][ T8171] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.523598][ T8171] device bridge_slave_1 entered promiscuous mode [ 59.542036][ T8171] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.553928][ T8163] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.561787][ T8171] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.570884][ T8166] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.679603][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.688334][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.704484][ T8177] chnl_net:caif_netlink_parms(): no params data found [ 59.724399][ T8171] team0: Port device team_slave_0 added [ 59.745776][ T8171] team0: Port device team_slave_1 added [ 59.752595][ T8174] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.759704][ T8174] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.768775][ T8174] device bridge_slave_0 entered promiscuous mode [ 59.779717][ T8174] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.786995][ T8174] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.794813][ T8174] device bridge_slave_1 entered promiscuous mode [ 59.803320][ T8163] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.820767][ T8168] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.863013][ T8168] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.898301][ T8168] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.955508][ T8174] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.034047][ T8171] device hsr_slave_0 entered promiscuous mode [ 60.081737][ T8171] device hsr_slave_1 entered promiscuous mode [ 60.121457][ T8171] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.132483][ T8168] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.176408][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.185578][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.194287][ T2968] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.201483][ T2968] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.210809][ T8174] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.235902][ T8174] team0: Port device team_slave_0 added [ 60.253881][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.263669][ T8177] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.270814][ T8177] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.279772][ T8177] device bridge_slave_0 entered promiscuous mode [ 60.288209][ T8177] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.295373][ T8177] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.303326][ T8177] device bridge_slave_1 entered promiscuous mode [ 60.315336][ T8174] team0: Port device team_slave_1 added [ 60.333180][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.342636][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.350959][ T2968] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.358163][ T2968] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.372995][ T8171] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.413291][ T8171] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.455745][ T8171] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.519298][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.538630][ T8163] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.549777][ T8163] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.564764][ T8171] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.613922][ T8177] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.625870][ T8177] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.649166][ T8177] team0: Port device team_slave_0 added [ 60.659037][ T8177] team0: Port device team_slave_1 added [ 60.665878][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.675064][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.683658][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.692109][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.700412][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.708903][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.717064][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.725930][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.734311][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.743996][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.751892][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.794213][ T8174] device hsr_slave_0 entered promiscuous mode [ 60.842455][ T8174] device hsr_slave_1 entered promiscuous mode [ 60.881444][ T8174] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.893007][ T8166] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.932295][ T8163] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.957030][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.965282][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.988170][ T8166] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.025566][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.036410][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.083992][ T8177] device hsr_slave_0 entered promiscuous mode [ 61.132772][ T8177] device hsr_slave_1 entered promiscuous mode [ 61.191890][ T8177] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.214788][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.223551][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.232507][ T8178] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.239599][ T8178] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.247229][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.256555][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.265240][ T8178] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.272327][ T8178] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.279941][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.288724][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.297751][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.322687][ T8171] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.352234][ T8174] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 166.361279][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.368023][ C0] rcu: 0-...!: (10499 ticks this GP) idle=e8e/1/0x4000000000000002 softirq=10891/10891 fqs=42 [ 166.378776][ C0] (t=10501 jiffies g=6269 q=125) [ 166.383791][ C0] rcu: rcu_preempt kthread starved for 10418 jiffies! g6269 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.395014][ C0] rcu: RCU grace-period kthread stack dump: [ 166.400903][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.408806][ C0] Call Trace: [ 166.412092][ C0] __schedule+0x9a0/0xcc0 [ 166.416416][ C0] schedule+0x181/0x210 [ 166.420560][ C0] schedule_timeout+0x14f/0x240 [ 166.425400][ C0] ? run_local_timers+0x120/0x120 [ 166.430417][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.435175][ C0] kthread+0x332/0x350 [ 166.439240][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.444335][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.448999][ C0] ret_from_fork+0x24/0x30 [ 166.453415][ C0] NMI backtrace for cpu 0 [ 166.457730][ C0] CPU: 0 PID: 8133 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 166.465163][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.475209][ C0] Call Trace: [ 166.478478][ C0] [ 166.481343][ C0] dump_stack+0x1fb/0x318 [ 166.485660][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.490495][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.496635][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.502787][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.508770][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.514748][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.519874][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.525062][ C0] ? trace_hardirqs_off+0x74/0x80 [ 166.530075][ C0] update_process_times+0x12d/0x180 [ 166.535288][ C0] tick_sched_timer+0x263/0x420 [ 166.540135][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.545668][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.550869][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.555814][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.561088][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.566619][ C0] apic_timer_interrupt+0xf/0x20 [ 166.571541][ C0] [ 166.574468][ C0] RIP: 0010:free_thread_stack+0x133/0x590 [ 166.580171][ C0] Code: 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 43 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 166.600030][ C0] RSP: 0018:ffffc9000d19f760 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.608428][ C0] RAX: 0000000000000001 RBX: ffffea00028b4c00 RCX: 0000000000000000 [ 166.616400][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028b4c00 [ 166.624368][ C0] RBP: ffffc9000d19f798 R08: dffffc0000000000 R09: fffffbfff120248a [ 166.632500][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a31f7520 [ 166.640457][ C0] R13: dffffc0000000000 R14: 1ffff1101463eea4 R15: ffff8880a775fa28 [ 166.648439][ C0] put_task_stack+0xa3/0x130 [ 166.653020][ C0] finish_task_switch+0x3f1/0x550 [ 166.658122][ C0] __schedule+0x9a8/0xcc0 [ 166.662445][ C0] schedule+0x181/0x210 [ 166.666589][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 166.672651][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 166.678445][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 166.683803][ C0] poll_schedule_timeout+0x11c/0x1c0 [ 166.689080][ C0] do_sys_poll+0x82f/0x1240 [ 166.693589][ C0] ? debug_object_activate+0x2f7/0x6f0 [ 166.699037][ C0] ? debug_object_active_state+0x1e3/0x4a0 [ 166.704840][ C0] ? __lock_acquire+0xc75/0x1be0 [ 166.709769][ C0] ? __x32_compat_sys_ppoll_time64+0xd0/0xd0 [ 166.715749][ C0] ? trace_hardirqs_on+0x74/0x80 [ 166.720682][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 166.725450][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 166.730196][ C0] ? read_seqcount_begin+0x125/0x1c0 [ 166.735468][ C0] ? trace_hardirqs_on+0x74/0x80 [ 166.740400][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 166.745146][ C0] ? read_seqcount_begin+0x17a/0x1c0 [ 166.750445][ C0] ? ktime_get_ts64+0x236/0x2c0 [ 166.755285][ C0] ? timespec64_add_safe+0x171/0x1b0 [ 166.760748][ C0] __se_sys_poll+0x1b0/0x360 [ 166.765376][ C0] __x64_sys_poll+0x7b/0x90 [ 166.769872][ C0] do_syscall_64+0xf7/0x1c0 [ 166.774365][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.780253][ C0] RIP: 0033:0x7f582a3cb678 [ 166.784659][ C0] Code: 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 48 83 ec 28 8b 05 82 8f 2b 00 85 c0 75 17 48 63 d2 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 48 83 c4 28 c3 89 54 24 08 48 89 74 24 10 [ 166.804251][ C0] RSP: 002b:00007ffd669322e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 166.812649][ C0] RAX: ffffffffffffffda RBX: 20c49ba5e353f7cf RCX: 00007f582a3cb678 [ 166.820606][ C0] RDX: 000000000000ee2a RSI: 0000000000000001 RDI: 00007ffd669323a0 [ 166.828563][ C0] RBP: 0000000000000000 R08: 00007ffd669322f0 R09: 00007ffd669680b8 [ 166.836519][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000021f0110 [ 166.844474][ C0] R13: 0000000000001ff8 R14: 00007ffd66932374 R15: 00000000021f0250