[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.16' (ECDSA) to the list of known hosts. syzkaller login: [ 37.782635] IPVS: ftp: loaded support on port[0] = 21 [ 37.894308] chnl_net:caif_netlink_parms(): no params data found [ 37.963935] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.970776] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.979042] device bridge_slave_0 entered promiscuous mode [ 37.986715] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.993082] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.000732] device bridge_slave_1 entered promiscuous mode [ 38.018417] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 38.027158] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 38.045212] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 38.052597] team0: Port device team_slave_0 added [ 38.058352] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 38.065724] team0: Port device team_slave_1 added [ 38.080468] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.086751] 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. [ 38.111989] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.123639] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.129943] 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. [ 38.155387] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.169389] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 38.176851] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 38.195844] device hsr_slave_0 entered promiscuous mode [ 38.201556] device hsr_slave_1 entered promiscuous mode [ 38.207938] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 38.214929] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 38.279084] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.285471] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.292426] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.298837] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.329200] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 38.335262] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.344629] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.353673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.362700] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.370495] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.377728] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 38.388060] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 38.394124] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.403665] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.411940] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.418325] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.428295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.436310] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.442632] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.463568] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 38.473475] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 38.483952] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 38.491503] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.499476] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.507640] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.515173] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.522919] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.529841] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.541446] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 38.552389] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.559692] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.569017] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.604948] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 38.614719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.643589] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 38.650738] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 38.657928] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 38.667323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.674793] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.683294] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 38.692946] device veth0_vlan entered promiscuous mode [ 38.701503] device veth1_vlan entered promiscuous mode [ 38.708776] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 38.718136] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 38.729723] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 38.738667] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 38.747257] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 38.754453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.763815] device veth0_macvtap entered promiscuous mode [ 38.770599] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 38.779822] device veth1_macvtap entered promiscuous mode [ 38.789756] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 38.798878] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 38.809700] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.817006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.825210] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 38.836113] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.842785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.951626] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 38.958516] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.968351] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.982945] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.994391] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready executing program [ 39.000850] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.009153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.016925] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.038351] ------------[ cut here ]------------ [ 39.043513] WARNING: CPU: 0 PID: 2905 at net/mac80211/ibss.c:506 ieee80211_ibss_csa_beacon.cold+0x11/0x36 [ 39.053200] Kernel panic - not syncing: panic_on_warn set ... [ 39.053200] [ 39.060550] CPU: 0 PID: 2905 Comm: kworker/u4:4 Not tainted 4.19.211-syzkaller #0 [ 39.068155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 39.077493] Workqueue: phy3 ieee80211_csa_finalize_work [ 39.082833] Call Trace: [ 39.085415] dump_stack+0x1fc/0x2ef [ 39.089037] panic+0x26a/0x50e [ 39.092210] ? __warn_printk+0xf3/0xf3 [ 39.096080] ? ieee80211_ibss_csa_beacon.cold+0x11/0x36 [ 39.101424] ? __probe_kernel_read+0x130/0x1b0 [ 39.105990] ? __warn.cold+0x5/0x5a [ 39.109610] ? __warn+0xe4/0x200 [ 39.112964] ? ieee80211_ibss_csa_beacon.cold+0x11/0x36 [ 39.118394] __warn.cold+0x20/0x5a [ 39.122005] ? ieee80211_ibss_csa_beacon.cold+0x11/0x36 [ 39.127354] report_bug+0x262/0x2b0 [ 39.130964] do_error_trap+0x1d7/0x310 [ 39.134830] ? math_error+0x310/0x310 [ 39.138612] ? __irq_work_queue_local+0x101/0x160 [ 39.143435] ? irq_work_queue+0x29/0x80 [ 39.147391] ? error_entry+0x72/0xd0 [ 39.151085] ? trace_hardirqs_off_caller+0x6e/0x210 [ 39.156084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.160909] invalid_op+0x14/0x20 [ 39.166779] RIP: 0010:ieee80211_ibss_csa_beacon.cold+0x11/0x36 [ 39.172733] Code: 94 57 df ff 0f 0b 48 8d 85 c0 fd ff ff 48 89 85 e0 fc ff ff e9 b3 b1 86 ff e8 0f 26 4e f9 48 c7 c7 40 73 67 89 e8 6e 57 df ff <0f> 0b 41 bd ea ff ff ff e9 22 c0 86 ff e8 f1 25 4e f9 48 c7 c7 40 [ 39.191616] RSP: 0018:ffff8880abcafc70 EFLAGS: 00010286 [ 39.197048] RAX: 0000000000000024 RBX: ffff888094295540 RCX: 0000000000000000 [ 39.204298] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1015795f80 [ 39.211556] RBP: 0000000000000002 R08: 0000000000000024 R09: 0000000000000000 [ 39.218814] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 [ 39.226071] R13: ffff888094296060 R14: ffff8880a2011000 R15: ffff888094295a70 [ 39.233355] ? vprintk_func+0x81/0x180 [ 39.237237] ? ieee80211_ibss_finish_csa+0xf7/0x4b0 [ 39.242247] __ieee80211_csa_finalize+0x6cc/0xde0 [ 39.247075] ieee80211_csa_finalize_work+0x124/0x160 [ 39.252178] process_one_work+0x864/0x1570 [ 39.256407] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 39.261064] worker_thread+0x64c/0x1130 [ 39.265042] ? __kthread_parkme+0x133/0x1e0 [ 39.269347] ? process_one_work+0x1570/0x1570 [ 39.273821] kthread+0x33f/0x460 [ 39.277178] ? kthread_park+0x180/0x180 [ 39.281137] ret_from_fork+0x24/0x30 [ 39.285184] Kernel Offset: disabled [ 39.288847] Rebooting in 86400 seconds..