[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.086060][ T25] audit: type=1800 audit(1575386872.072:25): pid=8163 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.105100][ T25] audit: type=1800 audit(1575386872.072:26): pid=8163 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.132207][ T25] audit: type=1800 audit(1575386872.082:27): pid=8163 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 '10.128.0.203' (ECDSA) to the list of known hosts. 2019/12/03 15:28:02 fuzzer started 2019/12/03 15:28:04 dialing manager at 10.128.0.26:45711 2019/12/03 15:28:04 syscalls: 2689 2019/12/03 15:28:04 code coverage: enabled 2019/12/03 15:28:04 comparison tracing: enabled 2019/12/03 15:28:04 extra coverage: extra coverage is not supported by the kernel 2019/12/03 15:28:04 setuid sandbox: enabled 2019/12/03 15:28:04 namespace sandbox: enabled 2019/12/03 15:28:04 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 15:28:04 fault injection: enabled 2019/12/03 15:28:04 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 15:28:04 net packet injection: enabled 2019/12/03 15:28:04 net device setup: enabled 2019/12/03 15:28:04 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 15:28:04 devlink PCI setup: PCI device 0000:00:10.0 is not available 15:28:05 executing program 0: prctl$PR_SET_MM(0x23, 0x0, &(0x7f00002d6000/0x1000)=nil) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ptrace$getsig(0x18, 0x0, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000180)={0x0, 0xffffffffffffffff, 0x0, 0x1, &(0x7f00000000c0)='\x00'}, 0x30) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000140)={0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0}, 0x30) openat$ashmem(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ashmem\x00', 0x0, 0x0) clock_gettime(0x0, 0x0) tkill(0x0, 0x0) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ftruncate(r0, 0x88001) ioctl$EXT4_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000140)=0x800a) r1 = socket(0x11, 0x3, 0x0) setsockopt$packet_buf(r1, 0x107, 0xf, &(0x7f0000000000)="1f06bfb8", 0x4) bind(r1, &(0x7f0000000180)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) r2 = open(&(0x7f0000000080)='./bus\x00', 0x0, 0x0) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000140)=0x102, 0x4) sendfile(r1, r2, 0x0, 0x4e68d5f8) preadv(0xffffffffffffffff, &(0x7f0000001400), 0x0, 0x0) 15:28:05 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x1081082) ioctl$LOOP_SET_STATUS64(r0, 0x4c02, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "3431b6d4ebd9bc5b066a598cde04f8b1e907978bca1791ce5968d3b808ca5a9155449afffc970f33225eab59e77a9704a28df3f9350010700fbe1ed4da7db4b6", "2cfc9bb499003bd59175414ae825b9c1fca58f25b9ee26ca667d352769e74a162aec16fd5de2d46bc628d7ffce790d8fd9f58c1d91ade68f9c819fdaf77e2e9b", "5000a9e3224f461bb4d8d8c5844bf6983eaea59f03be2402a206c2b95e5b3bc7"}) syzkaller login: [ 57.709555][ T8327] IPVS: ftp: loaded support on port[0] = 21 15:28:05 executing program 2: mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = socket(0x400040000000015, 0x805, 0x0) getsockopt(r0, 0x114, 0x271c, 0x0, &(0x7f0000000000)=0xf0ff7f) [ 57.901971][ T8327] chnl_net:caif_netlink_parms(): no params data found [ 57.938020][ T8330] IPVS: ftp: loaded support on port[0] = 21 [ 58.037159][ T8327] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.048371][ T8327] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.058026][ T8327] device bridge_slave_0 entered promiscuous mode 15:28:06 executing program 3: r0 = socket(0x15, 0x80005, 0x0) ioctl$sock_proto_private(r0, 0x89e0, 0x0) [ 58.104710][ T8327] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.111813][ T8327] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.134639][ T8327] device bridge_slave_1 entered promiscuous mode [ 58.237824][ T8330] chnl_net:caif_netlink_parms(): no params data found [ 58.265613][ T8327] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.294262][ T8335] IPVS: ftp: loaded support on port[0] = 21 [ 58.319501][ T8336] IPVS: ftp: loaded support on port[0] = 21 [ 58.326193][ T8327] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.366839][ T8327] team0: Port device team_slave_0 added [ 58.394853][ T8327] team0: Port device team_slave_1 added [ 58.433396][ T8330] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.440471][ T8330] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.450075][ T8330] device bridge_slave_0 entered promiscuous mode [ 58.474590][ T8330] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.482417][ T8330] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.490239][ T8330] device bridge_slave_1 entered promiscuous mode 15:28:06 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = memfd_create(&(0x7f0000000140)='(\x05i\xe4\xdd\x87T\xde-t\bZ\xc0\xa8\x8d0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000080)={0x0, 'bridge_slave_1\x00'}, 0x18) ioctl$KVM_NMI(r2, 0xae9a) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000380)) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 58.806209][ T8330] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.880193][ T8330] team0: Port device team_slave_0 added [ 58.897931][ T8330] team0: Port device team_slave_1 added [ 58.914737][ T8327] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.965237][ T8335] chnl_net:caif_netlink_parms(): no params data found [ 58.987601][ T8336] chnl_net:caif_netlink_parms(): no params data found [ 59.003229][ T8327] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.047568][ T8327] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.096167][ T8327] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.174957][ T8342] IPVS: ftp: loaded support on port[0] = 21 [ 59.234959][ T8330] device hsr_slave_0 entered promiscuous mode [ 59.262640][ T8330] device hsr_slave_1 entered promiscuous mode [ 59.302341][ T8330] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.325893][ T8335] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.334365][ T8335] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.342292][ T8335] device bridge_slave_0 entered promiscuous mode [ 59.350451][ T8335] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.358111][ T8335] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.366111][ T8335] device bridge_slave_1 entered promiscuous mode [ 59.378239][ T8336] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.386730][ T8336] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.394637][ T8336] device bridge_slave_0 entered promiscuous mode [ 59.403989][ T8336] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.411052][ T8336] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.419245][ T8336] device bridge_slave_1 entered promiscuous mode [ 59.467232][ T8336] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.481267][ T8335] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.510587][ T8336] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.529377][ T8335] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.569906][ T8338] chnl_net:caif_netlink_parms(): no params data found [ 59.591877][ T8335] team0: Port device team_slave_0 added [ 59.604767][ T8335] team0: Port device team_slave_1 added [ 59.617225][ T8336] team0: Port device team_slave_0 added [ 59.628255][ T8336] team0: Port device team_slave_1 added [ 59.684046][ T8335] device hsr_slave_0 entered promiscuous mode [ 59.722545][ T8335] device hsr_slave_1 entered promiscuous mode [ 59.762323][ T8335] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.797360][ T8330] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.846347][ T8330] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.897921][ T8330] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.985503][ T8336] device hsr_slave_0 entered promiscuous mode [ 60.042982][ T8336] device hsr_slave_1 entered promiscuous mode [ 60.072632][ T8336] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.091191][ T8330] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.149734][ T8338] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.159281][ T8338] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.168146][ T8338] device bridge_slave_0 entered promiscuous mode [ 60.177294][ T8335] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.275931][ T8338] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.283204][ T8338] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.291031][ T8338] device bridge_slave_1 entered promiscuous mode [ 60.311564][ T8338] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.322890][ T8338] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.346735][ T8335] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.418021][ T8338] team0: Port device team_slave_0 added [ 60.428193][ T8338] team0: Port device team_slave_1 added [ 60.436914][ T8335] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.496716][ T8327] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.518619][ T8327] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.525537][ T8335] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.563803][ T8342] chnl_net:caif_netlink_parms(): no params data found [ 60.590377][ T3698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.599317][ T3698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.614020][ T8336] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.656529][ T8336] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.719837][ T8336] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.815759][ T8338] device hsr_slave_0 entered promiscuous mode [ 60.852743][ T8338] device hsr_slave_1 entered promiscuous mode [ 60.892398][ T8338] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.900121][ T8336] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.934119][ T3066] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.946293][ T3066] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.955178][ T3066] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.962400][ T3066] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.970587][ T3066] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.980458][ T3066] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.988944][ T3066] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.996053][ T3066] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.004130][ T3066] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.013172][ T3066] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.035030][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.069239][ T8338] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.134812][ T8338] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.194550][ T8338] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.265677][ T8338] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.339373][ T8342] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.347446][ T8342] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.355898][ T8342] device bridge_slave_0 entered promiscuous mode [ 61.363968][ T8342] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.371007][ T8342] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.379129][ T8342] device bridge_slave_1 entered promiscuous mode [ 61.390912][ T8332] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.399805][ T8332] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.430247][ T8327] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.442447][ T8327] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.454447][ T8332] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.463522][ T8332] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.472044][ T8332] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.480731][ T8332] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.489122][ T8332] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.498048][ T8332] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.506436][ T8332] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.524212][ T8332] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.533575][ T8342] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.544461][ T8342] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.604185][ T8342] team0: Port device team_slave_0 added [ 61.618252][ T8327] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.630781][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.639000][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.648236][ T8342] team0: Port device team_slave_1 added [ 61.667862][ T8330] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.685722][ T8335] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.756699][ T8342] device hsr_slave_0 entered promiscuous mode [ 61.812599][ T8342] device hsr_slave_1 entered promiscuous mode [ 61.852730][ T8342] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.870632][ T8336] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.904805][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.917950][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.927719][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.936133][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.032236][ T25] kauditd_printk_skb: 3 callbacks suppressed [ 62.032248][ T25] audit: type=1804 audit(1575386889.992:31): pid=8350 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir415124706/syzkaller.o5oD5g/0/bus" dev="sda1" ino=16521 res=1 [ 166.962124][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.968950][ C1] rcu: 1-...!: (10499 ticks this GP) idle=bc2/1/0x4000000000000002 softirq=11645/11645 fqs=144 [ 166.979629][ C1] (t=10500 jiffies g=6693 q=89) [ 166.984556][ C1] rcu: rcu_preempt kthread starved for 10205 jiffies! g6693 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.995640][ C1] rcu: RCU grace-period kthread stack dump: [ 167.001521][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.009415][ C1] Call Trace: [ 167.012702][ C1] __schedule+0x9a0/0xcc0 [ 167.017030][ C1] schedule+0x181/0x210 [ 167.021188][ C1] schedule_timeout+0x14f/0x240 [ 167.026031][ C1] ? run_local_timers+0x120/0x120 [ 167.031053][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.035815][ C1] kthread+0x332/0x350 [ 167.039868][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.044965][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.049542][ C1] ret_from_fork+0x24/0x30 [ 167.053964][ C1] NMI backtrace for cpu 1 [ 167.058290][ C1] CPU: 1 PID: 8342 Comm: syz-executor.5 Not tainted 5.4.0-syzkaller #0 [ 167.066510][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.076638][ C1] Call Trace: [ 167.079908][ C1] [ 167.082750][ C1] dump_stack+0x1fb/0x318 [ 167.087073][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.091924][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.098065][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.104118][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.111942][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.117838][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.122982][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.128200][ C1] ? trace_hardirqs_off+0x74/0x80 [ 167.133219][ C1] update_process_times+0x12d/0x180 [ 167.138410][ C1] tick_sched_timer+0x263/0x420 [ 167.143250][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.148784][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.153986][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.158924][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.164200][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.169733][ C1] apic_timer_interrupt+0xf/0x20 [ 167.174654][ C1] [ 167.177581][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x48/0x50 [ 167.183722][ C1] Code: 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 04 25 c0 1d 02 00 65 [ 167.203314][ C1] RSP: 0018:ffffc90002356f40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 167.211736][ C1] RAX: ffffffff81487326 RBX: ffffea00028920c0 RCX: ffff8880a904e440 [ 167.219697][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00028920c0 [ 167.227760][ C1] RBP: ffffc90002356f68 R08: 000000000003a768 R09: ffffed1012926af7 [ 167.235719][ C1] R10: ffffed1012926af7 R11: 0000000000000000 R12: ffff8880a2a665a0 [ 167.243680][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880949357a8 [ 167.251679][ C1] ? mod_memcg_page_state+0x16/0x190 [ 167.256976][ C1] ? mod_memcg_page_state+0x16/0x190 [ 167.262250][ C1] free_thread_stack+0x168/0x590 [ 167.267207][ C1] put_task_stack+0xa3/0x130 [ 167.271819][ C1] finish_task_switch+0x3f1/0x550 [ 167.276852][ C1] __schedule+0x9a8/0xcc0 [ 167.281186][ C1] preempt_schedule_irq+0xc1/0x140 [ 167.286944][ C1] retint_kernel+0x1b/0x2b [ 167.291356][ C1] RIP: 0010:arch_stack_walk+0xd3/0xe0 [ 167.296727][ C1] Code: c0 74 11 48 89 df e8 5c ff 07 00 83 bd 70 ff ff ff 00 75 d3 65 48 8b 04 25 28 00 00 00 48 3b 45 d0 75 0f 48 83 c4 68 5b 41 5c <41> 5d 41 5e 41 5f 5d c3 e8 40 7c 1b 00 55 48 89 e5 41 57 41 56 41 [ 167.316339][ C1] RSP: 0018:ffffc900023571c8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 167.324751][ C1] RAX: 2ac81a014e277200 RBX: 1ffff9200046ae40 RCX: ffffffff896df100 [ 167.332734][ C1] RDX: dffffc0000000000 RSI: ffff8880a904edc0 RDI: 0000000000000286 [ 167.340706][ C1] RBP: ffffc900023571e0 R08: dffffc0000000000 R09: fffffbfff12877ed [ 167.348670][ C1] R10: fffffbfff12877ed R11: 0000000000000000 R12: dffffc0000000000 [ 167.356631][ C1] R13: ffffffff81659c20 R14: ffffc900023571f0 R15: 0000000000000000 [ 167.364618][ C1] ? stack_trace_save+0x150/0x150 [ 167.369636][ C1] ? initialize_ptr_random+0x70/0x84 [ 167.374915][ C1] stack_trace_save+0xb6/0x150 [ 167.379669][ C1] __kasan_kmalloc+0x11c/0x1b0 [ 167.384425][ C1] ? __kasan_kmalloc+0x11c/0x1b0 [ 167.389346][ C1] ? kasan_slab_alloc+0xf/0x20 [ 167.394098][ C1] ? kmem_cache_alloc_trace+0x1fa/0x2f0 [ 167.399630][ C1] ? inetdev_init+0x80/0x3f0 [ 167.404226][ C1] ? inetdev_event+0x22f/0x1350 [ 167.409060][ C1] ? raw_notifier_call_chain+0xec/0x190 [ 167.414597][ C1] ? register_netdevice+0x1339/0x1830 [ 167.419953][ C1] ? nsim_create+0x1d4/0x230 [ 167.424527][ C1] ? __nsim_dev_port_add+0x289/0x4d0 [ 167.429792][ C1] ? nsim_dev_probe+0xb55/0xef0 [ 167.434637][ C1] ? nsim_bus_probe+0x15/0x20 [ 167.439300][ C1] ? really_probe+0x71c/0xf40 [ 167.443959][ C1] ? driver_probe_device+0xfc/0x260 [ 167.449146][ C1] ? __device_attach_driver+0x336/0x3f0 [ 167.454679][ C1] ? bus_for_each_drv+0x12b/0x180 [ 167.459690][ C1] ? __device_attach+0x1ea/0x390 [ 167.464614][ C1] ? device_initial_probe+0x1a/0x20 [ 167.469797][ C1] ? bus_probe_device+0xb9/0x1f0 [ 167.474721][ C1] ? device_add+0x1710/0x1ad0 [ 167.479382][ C1] ? device_register+0x1d/0x20 [ 167.484133][ C1] ? new_device_store+0x286/0x510 [ 167.489145][ C1] ? bus_attr_store+0x78/0x90 [ 167.493808][ C1] ? sysfs_kf_write+0x281/0x2f0 [ 167.498651][ C1] ? kernfs_fop_write+0x3e4/0x4e0 [ 167.503671][ C1] ? __vfs_write+0xb8/0x740 [ 167.508162][ C1] ? vfs_write+0x275/0x590 [ 167.512572][ C1] ? ksys_write+0x117/0x220 [ 167.517058][ C1] ? __x64_sys_write+0x7b/0x90 [ 167.521807][ C1] ? do_syscall_64+0xf7/0x1c0 [ 167.526515][ C1] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.532575][ C1] ? ___preempt_schedule_notrace+0x16/0x27 [ 167.538389][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 167.543668][ C1] ? kmem_cache_alloc_trace+0x199/0x2f0 [ 167.549203][ C1] kasan_slab_alloc+0xf/0x20 [ 167.553779][ C1] kmem_cache_alloc_trace+0x1fa/0x2f0 [ 167.559132][ C1] ? inetdev_init+0x80/0x3f0 [ 167.563799][ C1] inetdev_init+0x80/0x3f0 [ 167.568206][ C1] inetdev_event+0x22f/0x1350 [ 167.572870][ C1] ? netdev_upper_walk+0x1a0/0x1a0 [ 167.577965][ C1] ? add_default_gids+0xe0/0xe0 [ 167.582806][ C1] ? enum_all_gids_of_dev_cb+0x2d0/0x2d0 [ 167.588429][ C1] ? del_netdev_ips+0x30/0x30 [ 167.593104][ C1] raw_notifier_call_chain+0xec/0x190 [ 167.598468][ C1] register_netdevice+0x1339/0x1830 [ 167.603670][ C1] nsim_create+0x1d4/0x230 [ 167.608196][ C1] __nsim_dev_port_add+0x289/0x4d0 [ 167.613296][ C1] ? debugfs_create_file_unsafe+0x4a/0x60 [ 167.619010][ C1] ? nsim_bpf_dev_init+0x1eb/0x220 [ 167.624116][ C1] nsim_dev_probe+0xb55/0xef0 [ 167.628794][ C1] nsim_bus_probe+0x15/0x20 [ 167.633297][ C1] really_probe+0x71c/0xf40 [ 167.637794][ C1] driver_probe_device+0xfc/0x260 [ 167.642985][ C1] ? parse_option_str+0x1bf/0x200 [ 167.648004][ C1] __device_attach_driver+0x336/0x3f0 [ 167.653368][ C1] ? coredump_store+0x90/0x90 [ 167.658033][ C1] bus_for_each_drv+0x12b/0x180 [ 167.662873][ C1] __device_attach+0x1ea/0x390 [ 167.667632][ C1] device_initial_probe+0x1a/0x20 [ 167.672646][ C1] bus_probe_device+0xb9/0x1f0 [ 167.677402][ C1] device_add+0x1710/0x1ad0 [ 167.681910][ C1] device_register+0x1d/0x20 [ 167.686497][ C1] new_device_store+0x286/0x510 [ 167.691338][ C1] ? nsim_num_vf+0x50/0x50 [ 167.695740][ C1] bus_attr_store+0x78/0x90 [ 167.700224][ C1] ? bus_attr_show+0x90/0x90 [ 167.704803][ C1] sysfs_kf_write+0x281/0x2f0 [ 167.709466][ C1] ? sysfs_kf_read+0x370/0x370 [ 167.714218][ C1] kernfs_fop_write+0x3e4/0x4e0 [ 167.719142][ C1] ? kernfs_fop_read+0x580/0x580 [ 167.724084][ C1] __vfs_write+0xb8/0x740 [ 167.728410][ C1] ? rcu_read_lock_any_held+0x13d/0x1a0 [ 167.733940][ C1] ? __sb_start_write+0x382/0x430 [ 167.738952][ C1] vfs_write+0x275/0x590 [ 167.743198][ C1] ksys_write+0x117/0x220 [ 167.747540][ C1] __x64_sys_write+0x7b/0x90 [ 167.752139][ C1] do_syscall_64+0xf7/0x1c0 [ 167.757065][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.762942][ C1] RIP: 0033:0x414130 [ 167.766826][ C1] Code: b0 89 c8 f7 d8 eb ed b8 6e 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 3d 3d 43 66 00 00 75 14 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 c4 1b 00 00 c3 48 83 ec 08 e8 ca fc ff ff [ 167.786439][ C1] RSP: 002b:00007ffcdaf8f9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 167.794841][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000414130 [ 167.802801][ C1] RDX: 0000000000000003 RSI: 00007ffcdaf8f9d0 RDI: 0000000000000004 [ 167.810770][ C1] RBP: 00007ffcdaf8f9d0 R08: 0000000000000000 R09: 0000000000000003 [ 167.818841][ C1] R10: 0000000000000075 R11: 0000000000000246 R12: 00000000004bfc97 [ 167.826802][ C1] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000