Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.4' (ECDSA) to the list of known hosts. syzkaller login: [ 32.703612] IPVS: ftp: loaded support on port[0] = 21 [ 32.765173] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 32.772975] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 32.780167] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 32.803765] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 32.816390] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 32.822907] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 32.830025] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 32.837192] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 32.850131] ------------[ cut here ]------------ [ 32.855779] wlan1: Failed check-sdata-in-driver check, flags: 0x4 [ 32.863162] WARNING: CPU: 1 PID: 8091 at net/mac80211/driver-ops.h:17 ieee80211_bss_info_change_notify+0x824/0x920 [ 32.873641] Kernel panic - not syncing: panic_on_warn set ... [ 32.873641] [ 32.880982] CPU: 1 PID: 8091 Comm: syz-executor482 Not tainted 4.19.152-syzkaller #0 [ 32.888837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.898168] Call Trace: [ 32.900741] dump_stack+0x1fc/0x2fe [ 32.904351] panic+0x26a/0x50e [ 32.907524] ? __warn_printk+0xf3/0xf3 [ 32.911395] ? ieee80211_bss_info_change_notify+0x824/0x920 [ 32.917217] ? __probe_kernel_read+0x130/0x1b0 [ 32.921778] ? __warn.cold+0x5/0x61 [ 32.925382] ? __warn+0xe4/0x200 [ 32.928726] ? ieee80211_bss_info_change_notify+0x824/0x920 [ 32.934415] __warn.cold+0x20/0x61 [ 32.937933] ? ieee80211_bss_info_change_notify+0x824/0x920 [ 32.943626] report_bug+0x262/0x2b0 [ 32.947232] do_error_trap+0x1d7/0x310 [ 32.951186] ? math_error+0x310/0x310 [ 32.954966] ? __irq_work_queue_local+0x101/0x160 [ 32.959785] ? irq_work_queue+0x29/0x80 [ 32.963739] ? error_entry+0x72/0xd0 [ 32.967431] ? trace_hardirqs_off_caller+0x6e/0x210 [ 32.972427] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.977248] invalid_op+0x14/0x20 [ 32.980678] RIP: 0010:ieee80211_bss_info_change_notify+0x824/0x920 [ 32.986972] Code: 00 00 48 8b ab 28 05 00 00 48 85 ed 74 53 e8 33 b1 b0 f9 e8 2e b1 b0 f9 44 89 fa 48 89 ee 48 c7 c7 c0 7a 66 89 e8 27 8f 84 f9 <0f> 0b e9 19 f9 ff ff e8 10 b1 b0 f9 0f 0b e9 0a fb ff ff e8 04 b1 [ 33.005849] RSP: 0018:ffff88809518f600 EFLAGS: 00010282 [ 33.011191] RAX: 0000000000000000 RBX: ffff8880b4601d40 RCX: 0000000000000000 [ 33.018455] RDX: 0000000000000000 RSI: ffffffff814fd8d1 RDI: ffffed1012a31eb2 [ 33.025719] RBP: ffff8880b4601280 R08: 0000000000000001 R09: 0000000000000000 [ 33.032968] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000002000000 [ 33.040250] R13: ffff8880b4602cd0 R14: 0000000000000000 R15: 0000000000000004 [ 33.047536] ? vprintk_func+0x81/0x17e [ 33.051422] ieee80211_set_mcast_rate+0x37/0x40 [ 33.056082] ? ieee80211_set_wds_peer+0x30/0x30 [ 33.060731] nl80211_set_mcast_rate+0x355/0x930 [ 33.065383] ? nl80211_set_bss+0xf50/0xf50 [ 33.069597] ? nl80211_pre_doit+0xa2/0x620 [ 33.073811] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 33.078983] genl_family_rcv_msg+0x642/0xc40 [ 33.083395] ? genl_rcv+0x40/0x40 [ 33.086848] ? genl_rcv_msg+0x12f/0x160 [ 33.090804] ? __mutex_add_waiter+0x160/0x160 [ 33.095287] ? __radix_tree_lookup+0x216/0x370 [ 33.099853] genl_rcv_msg+0xbf/0x160 [ 33.103549] netlink_rcv_skb+0x160/0x440 [ 33.107601] ? genl_family_rcv_msg+0xc40/0xc40 [ 33.112164] ? netlink_ack+0xae0/0xae0 [ 33.116031] ? genl_rcv+0x15/0x40 [ 33.119466] genl_rcv+0x24/0x40 [ 33.122725] netlink_unicast+0x4d5/0x690 [ 33.126765] ? netlink_sendskb+0x110/0x110 [ 33.130980] ? _copy_from_iter_full+0x229/0x7c0 [ 33.135633] ? __phys_addr_symbol+0x2c/0x70 [ 33.139933] ? __check_object_size+0x17b/0x3d1 [ 33.144496] netlink_sendmsg+0x6bb/0xc40 [ 33.148536] ? aa_af_perm+0x230/0x230 [ 33.152315] ? nlmsg_notify+0x1a0/0x1a0 [ 33.156265] ? kernel_recvmsg+0x220/0x220 [ 33.160406] ? nlmsg_notify+0x1a0/0x1a0 [ 33.164358] sock_sendmsg+0xc3/0x120 [ 33.168052] ___sys_sendmsg+0x7bb/0x8e0 [ 33.172005] ? copy_msghdr_from_user+0x440/0x440 [ 33.176742] ? sock_ioctl+0x30e/0x5d0 [ 33.180520] ? dlci_ioctl_set+0x30/0x30 [ 33.184473] ? lock_downgrade+0x720/0x720 [ 33.188595] ? lock_acquire+0x170/0x3c0 [ 33.192546] ? debug_object_active_state+0x104/0x330 [ 33.197625] ? mark_held_locks+0xf0/0xf0 [ 33.201662] ? dlci_ioctl_set+0x30/0x30 [ 33.205614] ? do_vfs_ioctl+0x110/0x12e0 [ 33.209654] ? ioctl_preallocate+0x200/0x200 [ 33.214039] ? __fdget+0x1a0/0x230 [ 33.217557] __x64_sys_sendmsg+0x132/0x220 [ 33.221784] ? __sys_sendmsg+0x1b0/0x1b0 [ 33.225836] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 33.231185] ? trace_hardirqs_off_caller+0x6e/0x210 [ 33.236197] ? do_syscall_64+0x21/0x620 [ 33.240153] do_syscall_64+0xf9/0x620 [ 33.243946] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.249112] RIP: 0033:0x4417a9 [ 33.252326] Code: e8 dc 05 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 7b 0d fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 33.271206] RSP: 002b:00007ffdef8a1098 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.278892] RAX: ffffffffffffffda RBX: 00007ffdef8a10c0 RCX: 00000000004417a9 [ 33.286141] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 33.293388] RBP: 0000000000000003 R08: 0000001d00000000 R09: 0000001d00000000 [ 33.300674] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 [ 33.307923] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 33.315889] Kernel Offset: disabled [ 33.319555] Rebooting in 86400 seconds..