Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.79' (ECDSA) to the list of known hosts. syzkaller login: [ 33.232032] IPVS: ftp: loaded support on port[0] = 21 [ 33.297468] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 33.305331] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 33.320803] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 33.331745] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 33.342219] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 33.348424] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 33.355574] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 33.362969] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 33.416963] ------------[ cut here ]------------ [ 33.425729] wlan0: Failed check-sdata-in-driver check, flags: 0x4 [ 33.432673] WARNING: CPU: 0 PID: 8104 at net/mac80211/driver-ops.h:17 ieee80211_bss_info_change_notify+0x824/0x920 [ 33.443161] Kernel panic - not syncing: panic_on_warn set ... [ 33.443161] [ 33.450519] CPU: 0 PID: 8104 Comm: syz-executor262 Not tainted 4.19.211-syzkaller #0 [ 33.458375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.467705] Call Trace: [ 33.470274] dump_stack+0x1fc/0x2ef [ 33.473886] panic+0x26a/0x50e [ 33.477059] ? __warn_printk+0xf3/0xf3 [ 33.480927] ? ieee80211_bss_info_change_notify+0x824/0x920 [ 33.486616] ? __probe_kernel_read+0x130/0x1b0 [ 33.491178] ? __warn.cold+0x5/0x5a [ 33.494786] ? __warn+0xe4/0x200 [ 33.498131] ? ieee80211_bss_info_change_notify+0x824/0x920 [ 33.503822] __warn.cold+0x20/0x5a [ 33.507342] ? ieee80211_bss_info_change_notify+0x824/0x920 [ 33.513030] report_bug+0x262/0x2b0 [ 33.516637] do_error_trap+0x1d7/0x310 [ 33.520502] ? math_error+0x310/0x310 [ 33.524280] ? __irq_work_queue_local+0x101/0x160 [ 33.529103] ? irq_work_queue+0x29/0x80 [ 33.533060] ? error_entry+0x72/0xd0 [ 33.536754] ? trace_hardirqs_off_caller+0x6e/0x210 [ 33.541753] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.546574] invalid_op+0x14/0x20 [ 33.550006] RIP: 0010:ieee80211_bss_info_change_notify+0x824/0x920 [ 33.556301] Code: 00 00 48 8b ab 28 05 00 00 48 85 ed 74 53 e8 53 1e cd f9 e8 4e 1e cd f9 44 89 fa 48 89 ee 48 c7 c7 c0 3f 67 89 e8 21 56 5d 00 <0f> 0b e9 19 f9 ff ff e8 30 1e cd f9 0f 0b e9 0a fb ff ff e8 24 1e [ 33.575177] RSP: 0018:ffff8880952c7600 EFLAGS: 00010282 [ 33.580517] RAX: 0000000000000000 RBX: ffff8880b27e4d80 RCX: 0000000000000000 [ 33.587766] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1012a58eb2 [ 33.595014] RBP: ffff8880b27e4280 R08: 0000000000000001 R09: 0000000000000000 [ 33.602261] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000002000000 [ 33.609507] R13: ffff8880b27e5d38 R14: 0000000000000000 R15: 0000000000000004 [ 33.616763] ? vprintk_func+0x81/0x180 [ 33.620638] ieee80211_set_mcast_rate+0x37/0x40 [ 33.625284] ? ieee80211_set_wds_peer+0x30/0x30 [ 33.629931] nl80211_set_mcast_rate+0x355/0x930 [ 33.634578] ? nl80211_set_bss+0xf50/0xf50 [ 33.638790] ? nl80211_pre_doit+0xa2/0x620 [ 33.643003] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 33.648171] genl_family_rcv_msg+0x642/0xc40 [ 33.652559] ? genl_rcv+0x40/0x40 [ 33.655990] ? genl_rcv_msg+0x12f/0x160 [ 33.659940] ? mutex_trylock+0x1a0/0x1a0 [ 33.663983] ? __radix_tree_lookup+0x216/0x370 [ 33.668547] genl_rcv_msg+0xbf/0x160 [ 33.672243] netlink_rcv_skb+0x160/0x440 [ 33.676282] ? genl_family_rcv_msg+0xc40/0xc40 [ 33.680942] ? netlink_ack+0xae0/0xae0 [ 33.684807] ? genl_rcv+0x15/0x40 [ 33.688240] genl_rcv+0x24/0x40 [ 33.691507] netlink_unicast+0x4d5/0x690 [ 33.695634] ? netlink_sendskb+0x110/0x110 [ 33.699844] ? _copy_from_iter_full+0x229/0x7c0 [ 33.704495] ? __phys_addr_symbol+0x2c/0x70 [ 33.708796] ? __check_object_size+0x17b/0x3e0 [ 33.713355] netlink_sendmsg+0x6c3/0xc50 [ 33.717401] ? aa_af_perm+0x230/0x230 [ 33.721180] ? nlmsg_notify+0x1f0/0x1f0 [ 33.725132] ? kernel_recvmsg+0x220/0x220 [ 33.729260] ? nlmsg_notify+0x1f0/0x1f0 [ 33.733215] sock_sendmsg+0xc3/0x120 [ 33.736995] ___sys_sendmsg+0x7bb/0x8e0 [ 33.740945] ? copy_msghdr_from_user+0x440/0x440 [ 33.745682] ? apparmor_file_receive+0x160/0x160 [ 33.750419] ? sock_ioctl+0x30e/0x5d0 [ 33.754198] ? dlci_ioctl_set+0x30/0x30 [ 33.758151] ? mark_held_locks+0xf0/0xf0 [ 33.762192] ? percpu_counter_add_batch+0x126/0x180 [ 33.767190] ? alloc_empty_file+0xd7/0x170 [ 33.771404] ? dlci_ioctl_set+0x30/0x30 [ 33.775358] ? do_vfs_ioctl+0x110/0x12e0 [ 33.779396] ? __fd_install+0x1b4/0x610 [ 33.783353] ? ioctl_preallocate+0x200/0x200 [ 33.787739] ? __fdget+0x1a0/0x230 [ 33.791258] __x64_sys_sendmsg+0x132/0x220 [ 33.795472] ? __sys_sendmsg+0x1b0/0x1b0 [ 33.799518] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 33.804865] ? trace_hardirqs_off_caller+0x6e/0x210 [ 33.809862] ? do_syscall_64+0x21/0x620 [ 33.813815] do_syscall_64+0xf9/0x620 [ 33.817594] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.822758] RIP: 0033:0x7f470fd66aa9 [ 33.826447] 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 [ 33.845324] RSP: 002b:00007ffd6a7888a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.853008] RAX: ffffffffffffffda RBX: 00007f470fde03a0 RCX: 00007f470fd66aa9 [ 33.860252] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004 [ 33.867498] RBP: 0000000000000003 R08: 0000000c00000001 R09: 0000000c00000001 [ 33.874748] R10: 0000000c00000001 R11: 0000000000000246 R12: 0000000000000031 [ 33.881992] R13: 00007ffd6a7888f0 R14: 00007ffd6a7888da R15: 00007f470fde0410 [ 33.889687] Kernel Offset: disabled [ 33.893347] Rebooting in 86400 seconds..