Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.230' (ECDSA) to the list of known hosts. 2020/10/21 13:52:58 parsed 1 programs 2020/10/21 13:52:58 executed programs: 0 syzkaller login: [ 46.699261] audit: type=1400 audit(1603288378.758:8): avc: denied { execmem } for pid=8141 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 47.820815] IPVS: ftp: loaded support on port[0] = 21 [ 47.932643] chnl_net:caif_netlink_parms(): no params data found [ 48.029332] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.036163] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.044356] device bridge_slave_0 entered promiscuous mode [ 48.052851] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.059812] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.066940] device bridge_slave_1 entered promiscuous mode [ 48.087638] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.097013] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 48.116597] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 48.124342] team0: Port device team_slave_0 added [ 48.130642] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 48.138347] team0: Port device team_slave_1 added [ 48.155642] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.162021] 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. [ 48.188256] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.200698] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.206968] 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. [ 48.232580] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.243645] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.251651] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.272416] device hsr_slave_0 entered promiscuous mode [ 48.279082] device hsr_slave_1 entered promiscuous mode [ 48.285550] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 48.293273] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 48.373027] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.379587] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.386648] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.393157] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.430538] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 48.436641] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.446436] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 48.456905] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.467046] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.475238] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.483190] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.495381] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 48.501633] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.511553] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.519529] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.525935] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.539529] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.547328] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.553885] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.568191] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.584772] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 48.595065] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.608183] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 48.615275] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.624840] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.633184] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.641516] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.649853] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.667489] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 48.676113] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.683085] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.694333] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.708288] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 48.718975] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.760882] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 48.768982] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 48.775924] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 48.789008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.796806] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.804953] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.813987] device veth0_vlan entered promiscuous mode [ 48.823777] device veth1_vlan entered promiscuous mode [ 48.830293] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 48.841552] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 48.853945] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 48.864582] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.872548] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.880698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.891427] device veth0_macvtap entered promiscuous mode [ 48.898355] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 48.907058] device veth1_macvtap entered promiscuous mode [ 48.917251] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 48.925706] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.936913] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 48.946619] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 48.954492] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.961659] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.970370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.982043] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 48.989510] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.996153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.004730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.139897] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 49.146826] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.171501] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.180010] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 49.186220] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 49.197237] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.207195] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.215455] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 49.830091] Bluetooth: hci0: command 0x0409 tx timeout 2020/10/21 13:53:03 executed programs: 53 [ 51.906984] Bluetooth: hci0: command 0x041b tx timeout [ 53.987046] Bluetooth: hci0: command 0x040f tx timeout [ 56.066224] Bluetooth: hci0: command 0x0419 tx timeout [ 56.749666] ================================================================================ [ 56.758483] UBSAN: Undefined behaviour in ./include/linux/log2.h:61:13 [ 56.765277] shift exponent 64 is too large for 64-bit type 'long unsigned int' [ 56.772641] CPU: 0 PID: 9513 Comm: syz-executor.0 Not tainted 4.19.152-syzkaller #0 [ 56.780439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.789939] Call Trace: [ 56.792670] dump_stack+0x22c/0x33e [ 56.796302] ubsan_epilogue+0xe/0x3a [ 56.800023] __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 [ 56.806871] ? fetch_block+0x806/0x1830 [ 56.810949] ? rate_dst_frames+0x207/0x2b0 [ 56.815204] ? snd_pcm_plugin_build_route.cold+0x5c/0x5c [ 56.820757] ? plug_client_size+0x1ca/0x3e0 [ 56.825081] snd_pcm_oss_change_params_locked.cold+0x85/0x11a [ 56.830997] ? snd_pcm_oss_open+0x50/0x50 [ 56.835166] ? snd_pcm_oss_get_active_substream+0x142/0x1c0 [ 56.840883] ? ww_mutex_unlock+0x2f0/0x2f0 [ 56.845338] ? __mutex_unlock_slowpath+0xea/0x660 [ 56.850202] snd_pcm_oss_get_active_substream+0x164/0x1c0 [ 56.855752] snd_pcm_oss_set_channels+0x244/0x380 [ 56.860605] ? snd_pcm_oss_get_formats+0x340/0x340 [ 56.865550] snd_pcm_oss_ioctl+0x196f/0x3450 [ 56.869957] ? mark_held_locks+0xf0/0xf0 [ 56.874006] ? find_held_lock+0x2d/0x110 [ 56.878056] ? snd_pcm_oss_release+0x300/0x300 [ 56.882648] ? mark_held_locks+0xf0/0xf0 [ 56.886726] ? snd_pcm_oss_release+0x300/0x300 [ 56.891344] do_vfs_ioctl+0xcdb/0x12e0 [ 56.895242] ? selinux_file_ioctl+0x44f/0x5e0 [ 56.899751] ? ioctl_preallocate+0x200/0x200 [ 56.904164] ? selinux_parse_skb.constprop.0+0x1f0/0x1f0 [ 56.909617] ? __fget+0x3ad/0x570 [ 56.913100] ? copy_fd_bitmaps+0x2c0/0x2c0 [ 56.917358] ? ktime_get_ts64+0x2d3/0x420 [ 56.921552] ksys_ioctl+0x9b/0xc0 [ 56.925098] __x64_sys_ioctl+0x6f/0xb0 [ 56.929356] do_syscall_64+0xf9/0x670 [ 56.933188] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.938383] RIP: 0033:0x45de59 [ 56.941578] Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.960598] RSP: 002b:00007f010c2c1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.968330] RAX: ffffffffffffffda RBX: 0000000000015f40 RCX: 000000000045de59 [ 56.975598] RDX: 0000000020000000 RSI: 00000000c0045006 RDI: 0000000000000003 [ 56.983095] RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 [ 56.990370] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c 2020/10/21 13:53:09 executed programs: 169 [ 56.997642] R13: 00007ffc67be272f R14: 00007f010c2c29c0 R15: 000000000118bf2c [ 57.004920] ================================================================================ 2020/10/21 13:53:14 executed programs: 285