[ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started System Logging Service. [ *** ] A start job is running for OpenBSD …Shell server (1min 22s / 2min 42s)[*** ] A start job is running for OpenBSD …Shell server (1min 23s / 2min 42s)[** ] A start job is running for OpenBSD …Shell server (1min 24s / 2min 42s)[* ] A start job is running for OpenBSD …Shell server (1min 24s / 2min 42s)[** ] A start job is running for OpenBSD …Shell server (1min 25s / 2min 42s)[*** ] A start job is running for OpenBSD …Shell server (1min 26s / 2min 42s)[ *** ] A start job is running for OpenBSD …Shell server (1min 27s / 2min 56s)[ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.193' (ECDSA) to the list of known hosts. syzkaller login: [ 136.903926][ T8217] IPVS: ftp: loaded support on port[0] = 21 [ 137.061381][ T8217] chnl_net:caif_netlink_parms(): no params data found [ 137.145653][ T8217] bridge0: port 1(bridge_slave_0) entered blocking state [ 137.153601][ T8217] bridge0: port 1(bridge_slave_0) entered disabled state [ 137.162930][ T8217] device bridge_slave_0 entered promiscuous mode [ 137.174483][ T8217] bridge0: port 2(bridge_slave_1) entered blocking state [ 137.182458][ T8217] bridge0: port 2(bridge_slave_1) entered disabled state [ 137.191751][ T8217] device bridge_slave_1 entered promiscuous mode [ 137.223909][ T8217] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 137.236691][ T8217] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 137.270218][ T8217] team0: Port device team_slave_0 added [ 137.282062][ T8217] team0: Port device team_slave_1 added [ 137.310966][ T8217] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 137.318605][ T8217] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 137.344886][ T8217] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 137.360251][ T8217] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 137.368099][ T8217] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 137.394319][ T8217] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 137.435802][ T8217] device hsr_slave_0 entered promiscuous mode [ 137.443205][ T8217] device hsr_slave_1 entered promiscuous mode [ 137.618550][ T8217] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 137.632427][ T8217] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 137.648486][ T8217] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 137.664617][ T8217] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 137.800219][ T8217] bridge0: port 2(bridge_slave_1) entered blocking state [ 137.807610][ T8217] bridge0: port 2(bridge_slave_1) entered forwarding state [ 137.815523][ T8217] bridge0: port 1(bridge_slave_0) entered blocking state [ 137.823016][ T8217] bridge0: port 1(bridge_slave_0) entered forwarding state [ 137.939690][ T8217] 8021q: adding VLAN 0 to HW filter on device bond0 [ 137.960366][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 137.971278][ T55] bridge0: port 1(bridge_slave_0) entered disabled state [ 137.981327][ T55] bridge0: port 2(bridge_slave_1) entered disabled state [ 137.991903][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 138.013339][ T8217] 8021q: adding VLAN 0 to HW filter on device team0 [ 138.026581][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 138.036422][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 138.045758][ T2068] bridge0: port 1(bridge_slave_0) entered blocking state [ 138.053215][ T2068] bridge0: port 1(bridge_slave_0) entered forwarding state [ 138.068696][ T1992] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 138.078574][ T1992] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 138.087962][ T1992] bridge0: port 2(bridge_slave_1) entered blocking state [ 138.095153][ T1992] bridge0: port 2(bridge_slave_1) entered forwarding state [ 138.112437][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 138.129518][ T1992] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 138.146518][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 138.157036][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 138.168866][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 138.183064][ T1992] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 138.193255][ T1992] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 138.212244][ T1992] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 138.221847][ T1992] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 138.239049][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 138.248690][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 138.264098][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 138.292534][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 138.301169][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 138.321198][ T8217] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 138.354531][ T1992] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 138.364050][ T1992] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 138.395754][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 138.405193][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 138.419696][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 138.428816][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 138.440788][ T8217] device veth0_vlan entered promiscuous mode [ 138.461487][ T8217] device veth1_vlan entered promiscuous mode [ 138.499915][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 138.509253][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 138.518396][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 138.528098][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 138.544875][ T8217] device veth0_macvtap entered promiscuous mode [ 138.564149][ T8217] device veth1_macvtap entered promiscuous mode [ 138.594708][ T8217] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 138.603384][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 138.612766][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 138.621791][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 138.631605][ T2068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 138.649477][ T8217] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 138.658648][ T1992] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 138.668887][ T1992] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 138.685921][ T8217] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 138.694982][ T8217] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 138.703910][ T8217] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 138.713620][ T8217] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 138.867444][ T8426] device gre0 entered promiscuous mode [ 138.873124][ T8426] device vlan2 entered promiscuous mode [ 138.905582][ T8426] device gre0 left promiscuous mode executing program [ 139.051806][ T8432] device gre0 entered promiscuous mode [ 139.058016][ T8432] device vlan2 entered promiscuous mode [ 139.066631][ T8432] device gre0 left promiscuous mode executing program [ 139.212013][ T8437] device gre0 entered promiscuous mode [ 139.217774][ T8437] device vlan2 entered promiscuous mode [ 139.226472][ T8437] device gre0 left promiscuous mode executing program [ 139.371621][ T8442] device gre0 entered promiscuous mode [ 139.377349][ T8442] device vlan2 entered promiscuous mode [ 139.385805][ T8442] device gre0 left promiscuous mode executing program [ 139.510984][ T8447] device gre0 entered promiscuous mode [ 139.516628][ T8447] device vlan2 entered promiscuous mode [ 139.526844][ T8447] device gre0 left promiscuous mode executing program [ 139.671104][ T8452] device gre0 entered promiscuous mode [ 139.676670][ T8452] device vlan2 entered promiscuous mode [ 139.685672][ T8452] device gre0 left promiscuous mode executing program [ 139.823045][ T8457] device gre0 entered promiscuous mode [ 139.828794][ T8457] device vlan2 entered promiscuous mode [ 139.839903][ T8457] device gre0 left promiscuous mode executing program [ 139.981468][ T8462] device gre0 entered promiscuous mode [ 139.987393][ T8462] device vlan2 entered promiscuous mode [ 139.998067][ T8462] device gre0 left promiscuous mode executing program [ 140.131743][ T8467] device gre0 entered promiscuous mode [ 140.137432][ T8467] device vlan2 entered promiscuous mode [ 140.146152][ T8467] device gre0 left promiscuous mode executing program [ 140.290716][ T8472] device gre0 entered promiscuous mode [ 140.296278][ T8472] device vlan2 entered promiscuous mode [ 140.306447][ T8472] device gre0 left promiscuous mode executing program [ 140.442734][ T8477] device gre0 entered promiscuous mode [ 140.448651][ T8477] device vlan2 entered promiscuous mode [ 140.459963][ T8477] device gre0 left promiscuous mode executing program [ 140.601788][ T8482] device gre0 entered promiscuous mode [ 140.607532][ T8482] device vlan2 entered promiscuous mode [ 140.616408][ T8482] device gre0 left promiscuous mode executing program [ 140.750841][ T8487] device gre0 entered promiscuous mode [ 140.756411][ T8487] device vlan2 entered promiscuous mode [ 140.767215][ T8487] device gre0 left promiscuous mode executing program [ 140.911853][ T8492] device gre0 entered promiscuous mode [ 140.917759][ T8492] device vlan2 entered promiscuous mode [ 140.926512][ T8492] device gre0 left promiscuous mode executing program [ 141.071498][ T8497] device gre0 entered promiscuous mode [ 141.077356][ T8497] device vlan2 entered promiscuous mode [ 141.086250][ T8497] device gre0 left promiscuous mode executing program [ 141.211240][ T8502] device gre0 entered promiscuous mode [ 141.216816][ T8502] device vlan2 entered promiscuous mode [ 141.227579][ T8502] device gre0 left promiscuous mode executing program [ 141.350418][ T8507] device gre0 entered promiscuous mode [ 141.355979][ T8507] device vlan2 entered promiscuous mode [ 141.366217][ T8507] device gre0 left promiscuous mode executing program [ 141.491556][ T8512] device gre0 entered promiscuous mode [ 141.497288][ T8512] device vlan2 entered promiscuous mode [ 141.506142][ T8512] device gre0 left promiscuous mode executing program [ 141.651329][ T8517] device gre0 entered promiscuous mode [ 141.657190][ T8517] device vlan2 entered promiscuous mode [ 141.666544][ T8517] device gre0 left promiscuous mode executing program [ 141.812571][ T8522] device gre0 entered promiscuous mode [ 141.818350][ T8522] device vlan2 entered promiscuous mode [ 141.829228][ T8522] device gre0 left promiscuous mode executing program [ 141.972153][ T8527] device gre0 entered promiscuous mode [ 141.977867][ T8527] device vlan2 entered promiscuous mode [ 141.986694][ T8527] device gre0 left promiscuous mode executing program [ 142.130039][ T8532] device gre0 entered promiscuous mode [ 142.135696][ T8532] device vlan2 entered promiscuous mode [ 142.147990][ T8532] device gre0 left promiscuous mode executing program [ 142.291404][ T8537] device gre0 entered promiscuous mode [ 142.297194][ T8537] device vlan2 entered promiscuous mode [ 142.308277][ T8537] device gre0 left promiscuous mode executing program [ 142.432478][ T8542] device gre0 entered promiscuous mode [ 142.438158][ T8542] device vlan2 entered promiscuous mode [ 142.447074][ T8542] device gre0 left promiscuous mode executing program [ 142.581304][ T8547] device gre0 entered promiscuous mode [ 142.586887][ T8547] device vlan2 entered promiscuous mode [ 142.596264][ T8547] device gre0 left promiscuous mode executing program [ 142.720834][ T8552] device gre0 entered promiscuous mode [ 142.726698][ T8552] device vlan2 entered promiscuous mode [ 142.737212][ T8552] device gre0 left promiscuous mode executing program [ 142.861633][ T8557] device gre0 entered promiscuous mode [ 142.867480][ T8557] device vlan2 entered promiscuous mode [ 142.876421][ T8557] device gre0 left promiscuous mode executing program [ 143.021323][ T8562] device gre0 entered promiscuous mode [ 143.027252][ T8562] device vlan2 entered promiscuous mode [ 143.036497][ T8562] device gre0 left promiscuous mode executing program [ 143.161775][ T8567] device gre0 entered promiscuous mode [ 143.167484][ T8567] device vlan2 entered promiscuous mode [ 143.176370][ T8567] device gre0 left promiscuous mode executing program [ 143.302176][ T8572] device gre0 entered promiscuous mode [ 143.308046][ T8572] device vlan2 entered promiscuous mode [ 143.319801][ T8572] device gre0 left promiscuous mode executing program [ 143.451203][ T8577] device gre0 entered promiscuous mode [ 143.456769][ T8577] device vlan2 entered promiscuous mode [ 143.467528][ T8577] device gre0 left promiscuous mode executing program [ 143.591140][ T8582] device gre0 entered promiscuous mode [ 143.596719][ T8582] device vlan2 entered promiscuous mode [ 143.607032][ T8582] device gre0 left promiscuous mode executing program [ 143.731540][ T8587] device gre0 entered promiscuous mode [ 143.737272][ T8587] device vlan2 entered promiscuous mode [ 143.746163][ T8587] device gre0 left promiscuous mode executing program [ 143.871654][ T8592] device gre0 entered promiscuous mode [ 143.877556][ T8592] device vlan2 entered promiscuous mode [ 143.886607][ T8592] device gre0 left promiscuous mode executing program [ 144.031475][ T8597] device gre0 entered promiscuous mode [ 144.037151][ T8597] device vlan2 entered promiscuous mode [ 144.046709][ T8597] device gre0 left promiscuous mode executing program [ 144.171083][ T8602] device gre0 entered promiscuous mode [ 144.176656][ T8602] device vlan2 entered promiscuous mode [ 144.182499][ C0] ===================================================== [ 144.182511][ C0] BUG: KMSAN: uninit-value in ip_tunnel_xmit+0x4bc/0x39c0 [ 144.182560][ C0] CPU: 0 PID: 8602 Comm: syz-executor041 Not tainted 5.11.0-rc7-syzkaller #0 [ 144.182587][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.182602][ C0] Call Trace: [ 144.182611][ C0] [ 144.182617][ C0] dump_stack+0x21c/0x280 [ 144.182654][ C0] kmsan_report+0xfb/0x1e0 [ 144.182692][ C0] __msan_warning+0x5f/0xa0 [ 144.182748][ C0] ip_tunnel_xmit+0x4bc/0x39c0 [ 144.182780][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.182819][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.182855][ C0] ? skb_push+0x15b/0x250 [ 144.182884][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.182924][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.182962][ C0] ipgre_xmit+0x111e/0x11e0 [ 144.182995][ C0] ? ipgre_close+0x280/0x280 [ 144.183025][ C0] xmit_one+0x2b6/0x760 [ 144.183058][ C0] __dev_queue_xmit+0x3426/0x45c0 [ 144.183090][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.183133][ C0] dev_queue_xmit+0x4b/0x60 [ 144.183163][ C0] garp_join_timer+0x1fc/0x380 [ 144.183194][ C0] ? garp_init_applicant+0x970/0x970 [ 144.183223][ C0] call_timer_fn+0x7d/0x450 [ 144.183256][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.183295][ C0] expire_timers+0x328/0x6c0 [ 144.183327][ C0] ? garp_init_applicant+0x970/0x970 [ 144.183359][ C0] __run_timers+0x624/0x9e0 [ 144.183393][ C0] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 144.183430][ C0] ? irqtime_account_irq+0xe3/0x380 [ 144.183465][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.183502][ C0] ? migrate_timer_list+0x5f0/0x5f0 [ 144.183533][ C0] run_timer_softirq+0x2d/0x50 [ 144.183565][ C0] __do_softirq+0x1b9/0x715 [ 144.183601][ C0] asm_call_irq_on_stack+0xf/0x20 [ 144.183635][ C0] [ 144.183643][ C0] do_softirq_own_stack+0x6e/0x90 [ 144.183677][ C0] __irq_exit_rcu+0x22f/0x280 [ 144.183716][ C0] irq_exit_rcu+0xe/0x10 [ 144.183747][ C0] sysvec_apic_timer_interrupt+0x106/0x130 [ 144.183780][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 144.183815][ C0] RIP: 0010:console_unlock+0x1878/0x1c00 [ 144.183848][ C0] Code: 31 f6 e8 9b c6 00 00 48 83 bc 24 90 00 00 00 00 75 3c 48 8b 84 24 98 00 00 00 48 89 84 24 c8 00 00 00 ff b4 24 c8 00 00 00 9d <44> 89 f0 34 01 22 44 24 27 44 89 f3 0a 5c 24 0f 3c 01 74 1b f6 c3 [ 144.183873][ C0] RSP: 0018:ffff88812f082a00 EFLAGS: 00000286 [ 144.183898][ C0] RAX: 0000000000000286 RBX: 0000000000000000 RCX: ffff88812a99be80 [ 144.183918][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 000000000001b8e0 [ 144.183936][ C0] RBP: ffff88812f082b98 R08: ffffea000000000f R09: ffff88813fffa000 [ 144.183957][ C0] R10: 00000000c7008d00 R11: 00000000ffffffff R12: 0000000000000000 [ 144.183976][ C0] R13: ffff88812a99c8f8 R14: 0000000000000000 R15: ffffffff918a2f00 [ 144.184011][ C0] vprintk_emit+0x3fd/0x7f0 [ 144.184044][ C0] vprintk_default+0x86/0xa0 [ 144.184074][ C0] vprintk_func+0x2ed/0x2f0 [ 144.184105][ C0] printk+0x180/0x1cd [ 144.184135][ C0] ? __dev_set_promiscuity+0x524/0xc10 [ 144.184170][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.184207][ C0] __dev_set_promiscuity+0x5b5/0xc10 [ 144.184247][ C0] __dev_change_flags+0x8d8/0xce0 [ 144.184285][ C0] rtnl_configure_link+0x301/0x4e0 [ 144.184322][ C0] rtnl_newlink+0x30b5/0x3d40 [ 144.184378][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.184416][ C0] ? security_capable+0x1dd/0x230 [ 144.184450][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.184486][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.184522][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.184559][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 144.184596][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.184632][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.184669][ C0] ? rtnl_setlink+0x830/0x830 [ 144.184709][ C0] rtnetlink_rcv_msg+0x1442/0x18a0 [ 144.184747][ C0] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 144.184786][ C0] ? __local_bh_enable_ip+0x97/0x1d0 [ 144.184818][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.184855][ C0] ? local_bh_enable+0x36/0x40 [ 144.184885][ C0] ? __dev_queue_xmit+0x3b3e/0x45c0 [ 144.184916][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.184958][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.184994][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.185039][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.185075][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.185121][ C0] netlink_rcv_skb+0x6fa/0x810 [ 144.185151][ C0] ? rtnetlink_bind+0x140/0x140 [ 144.185189][ C0] rtnetlink_rcv+0x50/0x60 [ 144.185222][ C0] netlink_unicast+0x11d6/0x14a0 [ 144.185252][ C0] ? rtnetlink_net_exit+0x90/0x90 [ 144.185289][ C0] netlink_sendmsg+0x1740/0x1840 [ 144.185324][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 144.185358][ C0] ? netlink_getsockopt+0x1830/0x1830 [ 144.185391][ C0] __sys_sendmsg+0x714/0x830 [ 144.185426][ C0] ? __sys_getsockname+0x526/0x5d0 [ 144.185456][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.185492][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.185530][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.185567][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.185606][ C0] __se_sys_sendmsg+0x97/0xb0 [ 144.185638][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 144.185667][ C0] do_syscall_64+0x9f/0x140 [ 144.185708][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.185741][ C0] RIP: 0033:0x4438f9 [ 144.185761][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 144.185785][ C0] RSP: 002b:00007ffec5dc51d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 144.185813][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004438f9 [ 144.185832][ C0] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 144.185850][ C0] RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d [ 144.185867][ C0] R10: 000000000000000d R11: 0000000000000246 R12: 00007ffec5dc51f0 [ 144.185886][ C0] R13: 00000000000f4240 R14: 00000000000233b0 R15: 00007ffec5dc51e4 [ 144.185909][ C0] [ 144.185914][ C0] Uninit was created at: [ 144.185920][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.185955][ C0] kmsan_slab_alloc+0x8d/0xe0 [ 144.185992][ C0] __kmalloc_node_track_caller+0xa37/0x1430 [ 144.186023][ C0] __alloc_skb+0x2f8/0xb30 [ 144.186055][ C0] garp_pdu_append_attr+0x2f0/0x13a0 [ 144.186084][ C0] garp_attr_event+0x25d/0x360 [ 144.186118][ C0] garp_join_timer+0x10e/0x380 [ 144.186145][ C0] call_timer_fn+0x7d/0x450 [ 144.186173][ C0] expire_timers+0x328/0x6c0 [ 144.186201][ C0] __run_timers+0x624/0x9e0 [ 144.186230][ C0] run_timer_softirq+0x2d/0x50 [ 144.186259][ C0] __do_softirq+0x1b9/0x715 [ 144.186289][ C0] ===================================================== [ 144.186298][ C0] Disabling lock debugging due to kernel taint [ 144.883292][ T8602] ===================================================== [ 144.890219][ T8602] BUG: KMSAN: uninit-value in ip_tunnel_xmit+0x4bc/0x39c0 [ 144.897321][ T8602] CPU: 0 PID: 8602 Comm: syz-executor041 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 144.907457][ T8602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.917598][ T8602] Call Trace: [ 144.920862][ T8602] dump_stack+0x21c/0x280 [ 144.925185][ T8602] kmsan_report+0xfb/0x1e0 [ 144.929592][ T8602] __msan_warning+0x5f/0xa0 [ 144.934085][ T8602] ip_tunnel_xmit+0x4bc/0x39c0 [ 144.938936][ T8602] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.944733][ T8602] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.950792][ T8602] ? skb_push+0x15b/0x250 [ 144.955118][ T8602] ? kmsan_get_metadata+0x116/0x180 [ 144.960430][ T8602] ? kmsan_get_metadata+0x116/0x180 [ 144.965621][ T8602] ipgre_xmit+0x111e/0x11e0 [ 144.970121][ T8602] ? ipgre_close+0x280/0x280 [ 144.974734][ T8602] xmit_one+0x2b6/0x760 [ 144.978903][ T8602] __dev_queue_xmit+0x3426/0x45c0 [ 144.983922][ T8602] ? kmsan_get_metadata+0x116/0x180 [ 144.989140][ T8602] dev_queue_xmit+0x4b/0x60 [ 144.996327][ T8602] garp_uninit_applicant+0x48d/0x6c0 [ 145.001610][ T8602] vlan_gvrp_uninit_applicant+0x46/0x50 [ 145.007173][ T8602] unregister_vlan_dev+0x6fc/0x820 [ 145.012299][ T8602] ? vlan_gro_complete+0x1c0/0x1c0 [ 145.017422][ T8602] rtnl_newlink+0x39f6/0x3d40 [ 145.022101][ T8602] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.028219][ T8602] ? security_capable+0x1dd/0x230 [ 145.033395][ T8602] ? kmsan_get_metadata+0x116/0x180 [ 145.038593][ T8602] ? kmsan_get_metadata+0x116/0x180 [ 145.043797][ T8602] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.049423][ T8602] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 145.055481][ T8602] ? kmsan_get_metadata+0x116/0x180 [ 145.060759][ T8602] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.066572][ T8602] ? rtnl_setlink+0x830/0x830 [ 145.071244][ T8602] rtnetlink_rcv_msg+0x1442/0x18a0 [ 145.076386][ T8602] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 145.082648][ T8602] ? __local_bh_enable_ip+0x97/0x1d0 [ 145.087929][ T8602] ? kmsan_get_metadata+0x116/0x180 [ 145.093139][ T8602] ? local_bh_enable+0x36/0x40 [ 145.097912][ T8602] ? __dev_queue_xmit+0x3b3e/0x45c0 [ 145.103099][ T8602] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.108913][ T8602] ? kmsan_get_metadata+0x116/0x180 [ 145.114103][ T8602] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.119724][ T8602] ? kmsan_get_metadata+0x116/0x180 [ 145.124926][ T8602] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.130728][ T8602] netlink_rcv_skb+0x6fa/0x810 [ 145.135484][ T8602] ? rtnetlink_bind+0x140/0x140 [ 145.140331][ T8602] rtnetlink_rcv+0x50/0x60 [ 145.144766][ T8602] netlink_unicast+0x11d6/0x14a0 [ 145.149689][ T8602] ? rtnetlink_net_exit+0x90/0x90 [ 145.154705][ T8602] netlink_sendmsg+0x1740/0x1840 [ 145.159655][ T8602] ____sys_sendmsg+0xcfc/0x12f0 [ 145.164493][ T8602] ? netlink_getsockopt+0x1830/0x1830 [ 145.169852][ T8602] __sys_sendmsg+0x714/0x830 [ 145.174435][ T8602] ? __sys_getsockname+0x526/0x5d0 [ 145.179547][ T8602] ? kmsan_get_metadata+0x116/0x180 [ 145.184735][ T8602] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.190533][ T8602] ? kmsan_get_metadata+0x116/0x180 [ 145.195725][ T8602] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.201654][ T8602] __se_sys_sendmsg+0x97/0xb0 [ 145.206316][ T8602] __x64_sys_sendmsg+0x4a/0x70 [ 145.211071][ T8602] do_syscall_64+0x9f/0x140 [ 145.215593][ T8602] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.221501][ T8602] RIP: 0033:0x4438f9 [ 145.225401][ T8602] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 145.244998][ T8602] RSP: 002b:00007ffec5dc51d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 145.253429][ T8602] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004438f9 [ 145.261538][ T8602] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 145.269513][ T8602] RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d [ 145.277475][ T8602] R10: 000000000000000d R11: 0000000000000246 R12: 00007ffec5dc51f0 [ 145.285451][ T8602] R13: 00000000000f4240 R14: 00000000000233b0 R15: 00007ffec5dc51e4 [ 145.293410][ T8602] [ 145.295714][ T8602] Uninit was created at: [ 145.299930][ T8602] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.305640][ T8602] kmsan_slab_alloc+0x8d/0xe0 [ 145.310353][ T8602] __kmalloc_node_track_caller+0xa37/0x1430 [ 145.316256][ T8602] __alloc_skb+0x2f8/0xb30 [ 145.320663][ T8602] garp_pdu_append_attr+0x2f0/0x13a0 [ 145.325942][ T8602] garp_attr_event+0x1d7/0x360 [ 145.330689][ T8602] garp_uninit_applicant+0x2af/0x6c0 [ 145.335958][ T8602] vlan_gvrp_uninit_applicant+0x46/0x50 [ 145.341492][ T8602] unregister_vlan_dev+0x6fc/0x820 [ 145.346610][ T8602] rtnl_newlink+0x39f6/0x3d40 [ 145.351288][ T8602] rtnetlink_rcv_msg+0x1442/0x18a0 [ 145.356389][ T8602] netlink_rcv_skb+0x6fa/0x810 [ 145.361134][ T8602] rtnetlink_rcv+0x50/0x60 [ 145.365566][ T8602] netlink_unicast+0x11d6/0x14a0 [ 145.370486][ T8602] netlink_sendmsg+0x1740/0x1840 [ 145.375407][ T8602] ____sys_sendmsg+0xcfc/0x12f0 [ 145.380242][ T8602] __sys_sendmsg+0x714/0x830 [ 145.384854][ T8602] __se_sys_sendmsg+0x97/0xb0 [ 145.389538][ T8602] __x64_sys_sendmsg+0x4a/0x70 [ 145.394311][ T8602] do_syscall_64+0x9f/0x140 [ 145.398823][ T8602] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.404701][ T8602] ===================================================== [ 145.457520][ T8602] device gre0 left promiscuous mode executing program [ 145.580809][ T8607] device gre0 entered promiscuous mode [ 145.586445][ T8607] device vlan2 entered promiscuous mode [ 145.597200][ T8607] device gre0 left promiscuous mode executing program [ 145.722608][ T8612] device gre0 entered promiscuous mode [ 145.728284][ T8612] device vlan2 entered promiscuous mode [ 145.738977][ T8612] device gre0 left promiscuous mode executing program [ 145.880350][ T8617] device gre0 entered promiscuous mode [ 145.885962][ T8617] device vlan2 entered promiscuous mode [ 145.896175][ T8617] device gre0 left promiscuous mode executing program [ 146.040431][ T8622] device gre0 entered promiscuous mode [ 146.046026][ T8622] device vlan2 entered promiscuous mode [ 146.058334][ T8622] device gre0 left promiscuous mode executing program [ 146.181365][ T8627] device gre0 entered promiscuous mode [ 146.187213][ T8627] device vlan2 entered promiscuous mode [ 146.196165][ T8627] device gre0 left promiscuous mode executing program [ 146.341266][ T8632] device gre0 entered promiscuous mode [ 146.346999][ T8632] device vlan2 entered promiscuous mode [ 146.355863][ T8632] device gre0 left promiscuous mode executing program [ 146.500977][ T8637] device gre0 entered promiscuous mode [ 146.506543][ T8637] device vlan2 entered promiscuous mode [ 146.518517][ T8637] device gre0 left promiscuous mode executing program [ 146.642414][ T8642] device gre0 entered promiscuous mode [ 146.648137][ T8642] device vlan2 entered promiscuous mode [ 146.658469][ T8642] device gre0 left promiscuous mode executing program [ 146.800448][ T8647] device gre0 entered promiscuous mode [ 146.806050][ T8647] device vlan2 entered promiscuous mode [ 146.816168][ T8647] device gre0 left promiscuous mode executing program [ 146.941153][ T8652] device gre0 entered promiscuous mode [ 146.946911][ T8652] device vlan2 entered promiscuous mode [ 146.955658][ T8652] device gre0 left promiscuous mode executing program [ 147.080885][ T8657] device gre0 entered promiscuous mode [ 147.086480][ T8657] device vlan2 entered promiscuous mode [ 147.098650][ T8657] device gre0 left promiscuous mode executing program [ 147.220886][ T8662] device gre0 entered promiscuous mode [ 147.226490][ T8662] device vlan2 entered promiscuous mode [ 147.237873][ T8662] device gre0 left promiscuous mode executing program [ 147.379854][ T8667] device gre0 entered promiscuous mode [ 147.385432][ T8667] device vlan2 entered promiscuous mode [ 147.396477][ T8667] device gre0 left promiscuous mode executing program [ 147.531474][ T8672] device gre0 entered promiscuous mode [ 147.537346][ T8672] device vlan2 entered promiscuous mode [ 147.546294][ T8672] device gre0 left promiscuous mode executing program [ 147.671261][ T8677] device gre0 entered promiscuous mode [ 147.677030][ T8677] device vlan2 entered promiscuous mode [ 147.685844][ T8677] device gre0 left promiscuous mode executing program [ 147.820809][ T8682] device gre0 entered promiscuous mode [ 147.826375][ T8682] device vlan2 entered promiscuous mode [ 147.838022][ T8682] device gre0 left promiscuous mode executing program [ 147.961188][ T8687] device gre0 entered promiscuous mode [ 147.966955][ T8687] device vlan2 entered promiscuous mode [ 147.975885][ T8687] device gre0 left promiscuous mode executing program [ 148.100786][ T8692] device gre0 entered promiscuous mode [ 148.106503][ T8692] device vlan2 entered promiscuous mode [ 148.116984][ T8692] device gre0 left promiscuous mode executing program [ 148.241430][ T8697] device gre0 entered promiscuous mode [ 148.247067][ T8697] device vlan2 entered promiscuous mode [ 148.255930][ T8697] device gre0 left promiscuous mode executing program [ 148.401318][ T8702] device gre0 entered promiscuous mode [ 148.407105][ T8702] device vlan2 entered promiscuous mode [ 148.416043][ T8702] device gre0 left promiscuous mode executing program [ 148.540763][ T8707] device gre0 entered promiscuous mode [ 148.546360][ T8707] device vlan2 entered promiscuous mode [ 148.556916][ T8707] device gre0 left promiscuous mode executing program [ 148.710332][ T8712] device gre0 entered promiscuous mode [ 148.715898][ T8712] device vlan2 entered promiscuous mode [ 148.726157][ T8712] device gre0 left promiscuous mode executing program [ 148.852297][ T8717] device gre0 entered promiscuous mode [ 148.857979][ T8717] device vlan2 entered promiscuous mode [ 148.869159][ T8717] device gre0 left promiscuous mode executing program [ 148.990378][ T8722] device gre0 entered promiscuous mode [ 148.996058][ T8722] device vlan2 entered promiscuous mode [ 149.006887][ T8722] device gre0 left promiscuous mode executing program [ 149.131056][ T8727] device gre0 entered promiscuous mode [ 149.136817][ T8727] device vlan2 entered promiscuous mode [ 149.145660][ T8727] device gre0 left promiscuous mode executing program [ 149.270255][ T8732] device gre0 entered promiscuous mode [ 149.275816][ T8732] device vlan2 entered promiscuous mode [ 149.286679][ T8732] device gre0 left promiscuous mode executing program [ 149.411275][ T8737] device gre0 entered promiscuous mode [ 149.416906][ T8737] device vlan2 entered promiscuous mode [ 149.427151][ T8737] device gre0 left promiscuous mode executing program [ 149.564372][ T8742] device gre0 entered promiscuous mode [ 149.570268][ T8742] device vlan2 entered promiscuous mode [ 149.581187][ T8742] device gre0 left promiscuous mode executing program [ 149.710574][ T8747] device gre0 entered promiscuous mode [ 149.716143][ T8747] device vlan2 entered promiscuous mode [ 149.726722][ T8747] device gre0 left promiscuous mode executing program [ 149.850363][ T8752] device gre0 entered promiscuous mode [ 149.855988][ T8752] device vlan2 entered promiscuous mode [ 149.866440][ T8752] device gre0 left promiscuous mode executing program [ 149.991463][ T8757] device gre0 entered promiscuous mode [ 149.997090][ T8757] device vlan2 entered promiscuous mode [ 150.008632][ T8757] device gre0 left promiscuous mode executing program [ 150.131692][ T8762] device gre0 entered promiscuous mode [ 150.137366][ T8762] device vlan2 entered promiscuous mode [ 150.146194][ T8762] device gre0 left promiscuous mode executing program [ 150.280768][ T8767] device gre0 entered promiscuous mode [ 150.286331][ T8767] device vlan2 entered promiscuous mode [ 150.296037][ T8767] device gre0 left promiscuous mode executing program [ 150.421099][ T8772] device gre0 entered promiscuous mode [ 150.426766][ T8772] device vlan2 entered promiscuous mode [ 150.435558][ T8772] device gre0 left promiscuous mode executing program [ 150.570383][ T8777] device gre0 entered promiscuous mode [ 150.576090][ T8777] device vlan2 entered promiscuous mode [ 150.586951][ T8777] device gre0 left promiscuous mode executing program [ 150.730200][ T8782] device gre0 entered promiscuous mode [ 150.735823][ T8782] device vlan2 entered promiscuous mode [ 150.746099][ T8782] device gre0 left promiscuous mode executing program [ 150.880831][ T8787] device gre0 entered promiscuous mode [ 150.886435][ T8787] device vlan2 entered promiscuous mode [ 150.895572][ T8787] device gre0 left promiscuous mode executing program [ 151.020561][ T8792] device gre0 entered promiscuous mode [ 151.026196][ T8792] device vlan2 entered promiscuous mode [ 151.037151][ T8792] device gre0 left promiscuous mode executing program [ 151.160573][ T8797] device gre0 entered promiscuous mode [ 151.166192][ T8797] device vlan2 entered promiscuous mode [ 151.176726][ T8797] device gre0 left promiscuous mode executing program [ 151.301127][ T8802] device gre0 entered promiscuous mode [ 151.306914][ T8802] device vlan2 entered promiscuous mode [ 151.315795][ T8802] device gre0 left promiscuous mode executing program [ 151.450810][ T8807] device gre0 entered promiscuous mode [ 151.456502][ T8807] device vlan2 entered promiscuous mode [ 151.456772][ C0] ===================================================== [ 151.469253][ C0] BUG: KMSAN: uninit-value in ip_tunnel_xmit+0x4bc/0x39c0 [ 151.476432][ C0] CPU: 0 PID: 8807 Comm: syz-executor041 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 151.486674][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.496738][ C0] Call Trace: [ 151.500021][ C0] [ 151.502852][ C0] dump_stack+0x21c/0x280 [ 151.507195][ C0] kmsan_report+0xfb/0x1e0 [ 151.511635][ C0] __msan_warning+0x5f/0xa0 [ 151.516128][ C0] ip_tunnel_xmit+0x4bc/0x39c0 [ 151.520911][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.526718][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.532802][ C0] ? skb_push+0x15b/0x250 [ 151.537141][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.542380][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.547570][ C0] ipgre_xmit+0x111e/0x11e0 [ 151.552075][ C0] ? ipgre_close+0x280/0x280 [ 151.556655][ C0] xmit_one+0x2b6/0x760 [ 151.560823][ C0] __dev_queue_xmit+0x3426/0x45c0 [ 151.565839][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.571035][ C0] dev_queue_xmit+0x4b/0x60 [ 151.575569][ C0] garp_join_timer+0x1fc/0x380 [ 151.580350][ C0] ? garp_init_applicant+0x970/0x970 [ 151.585622][ C0] call_timer_fn+0x7d/0x450 [ 151.590111][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.595905][ C0] expire_timers+0x328/0x6c0 [ 151.600498][ C0] ? garp_init_applicant+0x970/0x970 [ 151.605769][ C0] __run_timers+0x624/0x9e0 [ 151.610262][ C0] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 151.616421][ C0] ? irqtime_account_irq+0xe3/0x380 [ 151.621605][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.626799][ C0] ? migrate_timer_list+0x5f0/0x5f0 [ 151.632012][ C0] run_timer_softirq+0x2d/0x50 [ 151.636794][ C0] __do_softirq+0x1b9/0x715 [ 151.641315][ C0] asm_call_irq_on_stack+0xf/0x20 [ 151.646326][ C0] [ 151.649243][ C0] do_softirq_own_stack+0x6e/0x90 [ 151.654253][ C0] __irq_exit_rcu+0x22f/0x280 [ 151.658917][ C0] irq_exit_rcu+0xe/0x10 [ 151.663145][ C0] sysvec_apic_timer_interrupt+0x106/0x130 [ 151.668940][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 151.674908][ C0] RIP: 0010:vprintk_emit+0x2cc/0x7f0 [ 151.680184][ C0] Code: 03 00 00 41 8b 84 24 a8 0f 00 00 89 45 a0 e8 2b e4 00 00 48 85 db 0f 85 b4 00 00 00 4c 89 ad 48 ff ff ff ff b5 48 ff ff ff 9d <80> 7d bf 00 0f 85 a9 00 00 00 83 7d c0 fe 0f 85 b1 00 00 00 e8 db [ 151.699790][ C0] RSP: 0018:ffff88812f082ba8 EFLAGS: 00000282 [ 151.705842][ C0] RAX: 00007ffffffff000 RBX: 0000000000000000 RCX: ffff88812a99ddc0 [ 151.713816][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 000000000001b8e0 [ 151.721774][ C0] RBP: ffff88812f082c60 R08: ffffea000000000f R09: ffff88813fffa000 [ 151.729735][ C0] R10: 0000000000000009 R11: 000000000000ffff R12: ffff88812a99e838 [ 151.737695][ C0] R13: 0000000000000282 R14: 0000000000000000 R15: 0000000000000025 [ 151.745676][ C0] vprintk_default+0x86/0xa0 [ 151.750264][ C0] vprintk_func+0x2ed/0x2f0 [ 151.754760][ C0] printk+0x180/0x1cd [ 151.758729][ C0] ? __dev_set_promiscuity+0x524/0xc10 [ 151.764176][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.769976][ C0] __dev_set_promiscuity+0x5b5/0xc10 [ 151.775252][ C0] __dev_change_flags+0x8d8/0xce0 [ 151.780266][ C0] rtnl_configure_link+0x301/0x4e0 [ 151.785371][ C0] rtnl_newlink+0x30b5/0x3d40 [ 151.790089][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.796148][ C0] ? security_capable+0x1dd/0x230 [ 151.801169][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.806368][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.811571][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.817213][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 151.823322][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.828510][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.834308][ C0] ? rtnl_setlink+0x830/0x830 [ 151.838988][ C0] rtnetlink_rcv_msg+0x1442/0x18a0 [ 151.844092][ C0] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 151.850148][ C0] ? __local_bh_enable_ip+0x97/0x1d0 [ 151.855430][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.860650][ C0] ? local_bh_enable+0x36/0x40 [ 151.865438][ C0] ? __dev_queue_xmit+0x3b3e/0x45c0 [ 151.870643][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.876493][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.881881][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.887516][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.892715][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.898640][ C0] netlink_rcv_skb+0x6fa/0x810 [ 151.903405][ C0] ? rtnetlink_bind+0x140/0x140 [ 151.908249][ C0] rtnetlink_rcv+0x50/0x60 [ 151.912661][ C0] netlink_unicast+0x11d6/0x14a0 [ 151.917620][ C0] ? rtnetlink_net_exit+0x90/0x90 [ 151.922640][ C0] netlink_sendmsg+0x1740/0x1840 [ 151.927642][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 151.932536][ C0] ? netlink_getsockopt+0x1830/0x1830 [ 151.937896][ C0] __sys_sendmsg+0x714/0x830 [ 151.942477][ C0] ? __sys_getsockname+0x526/0x5d0 [ 151.947574][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.952789][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.958617][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.963843][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.969642][ C0] __se_sys_sendmsg+0x97/0xb0 [ 151.974444][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 151.979196][ C0] do_syscall_64+0x9f/0x140 [ 151.983713][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 151.992290][ C0] RIP: 0033:0x4438f9 [ 151.996189][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 152.015817][ C0] RSP: 002b:00007ffec5dc51d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.024255][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004438f9 [ 152.032371][ C0] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 152.040334][ C0] RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d [ 152.048295][ C0] R10: 000000000000000d R11: 0000000000000246 R12: 00007ffec5dc51f0 [ 152.056253][ C0] R13: 00000000000f4240 R14: 0000000000025016 R15: 00007ffec5dc51e4 [ 152.064221][ C0] [ 152.066550][ C0] Uninit was created at: [ 152.070778][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.076536][ C0] kmsan_slab_alloc+0x8d/0xe0 [ 152.081216][ C0] __kmalloc_node_track_caller+0xa37/0x1430 [ 152.087098][ C0] __alloc_skb+0x2f8/0xb30 [ 152.091501][ C0] garp_pdu_append_attr+0x2f0/0x13a0 [ 152.096773][ C0] garp_attr_event+0x25d/0x360 [ 152.101547][ C0] garp_join_timer+0x10e/0x380 [ 152.106308][ C0] call_timer_fn+0x7d/0x450 [ 152.110883][ C0] expire_timers+0x328/0x6c0 [ 152.115456][ C0] __run_timers+0x624/0x9e0 [ 152.119945][ C0] run_timer_softirq+0x2d/0x50 [ 152.124694][ C0] __do_softirq+0x1b9/0x715 [ 152.129183][ C0] ===================================================== [ 152.143692][ T8807] ===================================================== [ 152.150635][ T8807] BUG: KMSAN: uninit-value in ip_tunnel_xmit+0x4bc/0x39c0 [ 152.157765][ T8807] CPU: 0 PID: 8807 Comm: syz-executor041 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 152.167924][ T8807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.177984][ T8807] Call Trace: [ 152.181278][ T8807] dump_stack+0x21c/0x280 [ 152.185636][ T8807] kmsan_report+0xfb/0x1e0 [ 152.190115][ T8807] __msan_warning+0x5f/0xa0 [ 152.194653][ T8807] ip_tunnel_xmit+0x4bc/0x39c0 [ 152.199467][ T8807] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.205298][ T8807] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.211395][ T8807] ? skb_push+0x15b/0x250 [ 152.215747][ T8807] ? kmsan_get_metadata+0x116/0x180 [ 152.220972][ T8807] ? kmsan_get_metadata+0x116/0x180 [ 152.226196][ T8807] ipgre_xmit+0x111e/0x11e0 [ 152.230728][ T8807] ? ipgre_close+0x280/0x280 [ 152.235374][ T8807] xmit_one+0x2b6/0x760 [ 152.239553][ T8807] __dev_queue_xmit+0x3426/0x45c0 [ 152.244596][ T8807] ? kmsan_get_metadata+0x116/0x180 [ 152.249825][ T8807] dev_queue_xmit+0x4b/0x60 [ 152.254341][ T8807] garp_uninit_applicant+0x48d/0x6c0 [ 152.259647][ T8807] vlan_gvrp_uninit_applicant+0x46/0x50 [ 152.265183][ T8807] unregister_vlan_dev+0x6fc/0x820 [ 152.270284][ T8807] ? vlan_gro_complete+0x1c0/0x1c0 [ 152.275379][ T8807] rtnl_newlink+0x39f6/0x3d40 [ 152.280097][ T8807] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.286225][ T8807] ? security_capable+0x1dd/0x230 [ 152.291238][ T8807] ? kmsan_get_metadata+0x116/0x180 [ 152.296430][ T8807] ? kmsan_get_metadata+0x116/0x180 [ 152.301617][ T8807] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.307247][ T8807] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 152.313330][ T8807] ? kmsan_get_metadata+0x116/0x180 [ 152.318546][ T8807] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.324343][ T8807] ? rtnl_setlink+0x830/0x830 [ 152.329036][ T8807] rtnetlink_rcv_msg+0x1442/0x18a0 [ 152.334140][ T8807] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 152.340203][ T8807] ? __local_bh_enable_ip+0x97/0x1d0 [ 152.345491][ T8807] ? kmsan_get_metadata+0x116/0x180 [ 152.350677][ T8807] ? local_bh_enable+0x36/0x40 [ 152.355427][ T8807] ? __dev_queue_xmit+0x3b3e/0x45c0 [ 152.360650][ T8807] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.366449][ T8807] ? kmsan_get_metadata+0x116/0x180 [ 152.371635][ T8807] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.377259][ T8807] ? kmsan_get_metadata+0x116/0x180 [ 152.382462][ T8807] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.388285][ T8807] netlink_rcv_skb+0x6fa/0x810 [ 152.393051][ T8807] ? rtnetlink_bind+0x140/0x140 [ 152.397903][ T8807] rtnetlink_rcv+0x50/0x60 [ 152.402334][ T8807] netlink_unicast+0x11d6/0x14a0 [ 152.407282][ T8807] ? rtnetlink_net_exit+0x90/0x90 [ 152.412474][ T8807] netlink_sendmsg+0x1740/0x1840 [ 152.417410][ T8807] ____sys_sendmsg+0xcfc/0x12f0 [ 152.422250][ T8807] ? netlink_getsockopt+0x1830/0x1830 [ 152.427615][ T8807] __sys_sendmsg+0x714/0x830 [ 152.432226][ T8807] ? __sys_getsockname+0x526/0x5d0 [ 152.437346][ T8807] ? kmsan_get_metadata+0x116/0x180 [ 152.442537][ T8807] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.448342][ T8807] ? kmsan_get_metadata+0x116/0x180 [ 152.453549][ T8807] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.459346][ T8807] __se_sys_sendmsg+0x97/0xb0 [ 152.464013][ T8807] __x64_sys_sendmsg+0x4a/0x70 [ 152.468783][ T8807] do_syscall_64+0x9f/0x140 [ 152.473305][ T8807] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 152.479211][ T8807] RIP: 0033:0x4438f9 [ 152.483089][ T8807] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 152.502781][ T8807] RSP: 002b:00007ffec5dc51d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.511205][ T8807] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004438f9 [ 152.519202][ T8807] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 152.527165][ T8807] RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d [ 152.535140][ T8807] R10: 000000000000000d R11: 0000000000000246 R12: 00007ffec5dc51f0 [ 152.543097][ T8807] R13: 00000000000f4240 R14: 0000000000025016 R15: 00007ffec5dc51e4 [ 152.551059][ T8807] [ 152.553365][ T8807] Uninit was created at: [ 152.557578][ T8807] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.563288][ T8807] kmsan_slab_alloc+0x8d/0xe0 [ 152.567953][ T8807] __kmalloc_node_track_caller+0xa37/0x1430 [ 152.573835][ T8807] __alloc_skb+0x2f8/0xb30 [ 152.578237][ T8807] garp_pdu_append_attr+0x2f0/0x13a0 [ 152.583507][ T8807] garp_attr_event+0x1d7/0x360 [ 152.588259][ T8807] garp_uninit_applicant+0x2af/0x6c0 [ 152.593542][ T8807] vlan_gvrp_uninit_applicant+0x46/0x50 [ 152.599078][ T8807] unregister_vlan_dev+0x6fc/0x820 [ 152.604181][ T8807] rtnl_newlink+0x39f6/0x3d40 [ 152.608869][ T8807] rtnetlink_rcv_msg+0x1442/0x18a0 [ 152.613968][ T8807] netlink_rcv_skb+0x6fa/0x810 [ 152.618719][ T8807] rtnetlink_rcv+0x50/0x60 [ 152.623126][ T8807] netlink_unicast+0x11d6/0x14a0 [ 152.628067][ T8807] netlink_sendmsg+0x1740/0x1840 [ 152.632989][ T8807] ____sys_sendmsg+0xcfc/0x12f0 [ 152.637823][ T8807] __sys_sendmsg+0x714/0x830 [ 152.642417][ T8807] __se_sys_sendmsg+0x97/0xb0 [ 152.647080][ T8807] __x64_sys_sendmsg+0x4a/0x70 [ 152.651854][ T8807] do_syscall_64+0x9f/0x140 [ 152.656345][ T8807] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 152.662223][ T8807] ===================================================== [ 152.676183][ T8807] device gre0 left promiscuous mode executing program [ 152.851183][ T8812] device gre0 entered promiscuous mode [ 152.857061][ T8812] device vlan2 entered promiscuous mode [ 152.866130][ T8812] device gre0 left promiscuous mode executing program [ 152.991671][ T8817] device gre0 entered promiscuous mode [ 152.997470][ T8817] device vlan2 entered promiscuous mode [ 153.006468][ T8817] device gre0 left promiscuous mode executing program [ 153.130910][ T8822] device gre0 entered promiscuous mode [ 153.136500][ T8822] device vlan2 entered promiscuous mode [ 153.146594][ T8822] device gre0 left promiscuous mode executing program [ 153.289981][ T8827] device gre0 entered promiscuous mode [ 153.295534][ T8827] device vlan2 entered promiscuous mode [ 153.305882][ T8827] device gre0 left promiscuous mode executing program [ 153.440701][ T8832] device gre0 entered promiscuous mode [ 153.446267][ T8832] device vlan2 entered promiscuous mode [ 153.456498][ T8832] device gre0 left promiscuous mode executing program [ 153.590528][ T8837] device gre0 entered promiscuous mode [ 153.596129][ T8837] device vlan2 entered promiscuous mode [ 153.606115][ T8837] device gre0 left promiscuous mode executing program [ 153.730669][ T8842] device gre0 entered promiscuous mode [ 153.736335][ T8842] device vlan2 entered promiscuous mode [ 153.746623][ T8842] device gre0 left promiscuous mode executing program [ 153.880799][ T8847] device gre0 entered promiscuous mode [ 153.886450][ T8847] device vlan2 entered promiscuous mode [ 153.897006][ T8847] device gre0 left promiscuous mode executing program [ 154.030805][ T8852] device gre0 entered promiscuous mode [ 154.036502][ T8852] device vlan2 entered promiscuous mode [ 154.046933][ T8852] device gre0 left promiscuous mode executing program [ 154.179941][ T8857] device gre0 entered promiscuous mode [ 154.185503][ T8857] device vlan2 entered promiscuous mode [ 154.196323][ T8857] device gre0 left promiscuous mode