[ 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 '10.128.0.68' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 66.316402][ T3162] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.346162][ T8459] general protection fault, probably for non-canonical address 0xfbd59c0000000020: 0000 [#1] PREEMPT SMP KASAN [ 66.357917][ T8459] KASAN: maybe wild-memory-access in range [0xdead000000000100-0xdead000000000107] [ 66.367187][ T8459] CPU: 1 PID: 8459 Comm: syz-executor525 Not tainted 5.12.0-rc7-next-20210415-syzkaller #0 [ 66.377148][ T8459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.387183][ T8459] RIP: 0010:ieee80211_chanctx_num_assigned+0xb1/0x140 [ 66.393961][ T8459] Code: a8 f6 ff ff 48 39 c5 74 3b 49 bd 00 00 00 00 00 fc ff df e8 81 0d 00 f9 48 8d bb 58 09 00 00 41 83 c4 01 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 75 68 48 8b 83 58 09 00 00 48 8d 98 a8 f6 ff ff 48 [ 66.413553][ T8459] RSP: 0018:ffffc900016ff328 EFLAGS: 00010a02 [ 66.419604][ T8459] RAX: 1bd5a00000000020 RBX: deacfffffffff7a8 RCX: 0000000000000000 [ 66.427559][ T8459] RDX: ffff888021593900 RSI: ffffffff88746abf RDI: dead000000000100 [ 66.435513][ T8459] RBP: ffff888014c21720 R08: 0000000000000000 R09: 0000000000000001 [ 66.443639][ T8459] R10: ffffffff88746b1b R11: 0000000000000000 R12: 0000000000000002 [ 66.451601][ T8459] R13: dffffc0000000000 R14: ffff888014c21700 R15: 0000000000000000 [ 66.459578][ T8459] FS: 000000000075f300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 66.468494][ T8459] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.475065][ T8459] CR2: 0000000020000200 CR3: 0000000012e9a000 CR4: 00000000001506e0 [ 66.483021][ T8459] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.490973][ T8459] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.498927][ T8459] Call Trace: [ 66.502190][ T8459] ieee80211_assign_vif_chanctx+0x757/0x1240 [ 66.508168][ T8459] __ieee80211_vif_release_channel+0x28b/0x430 [ 66.514316][ T8459] ieee80211_vif_release_channel+0x117/0x220 [ 66.520289][ T8459] ieee80211_ibss_disconnect+0x441/0x7b0 [ 66.525914][ T8459] ieee80211_ibss_leave+0x12/0x150 [ 66.531017][ T8459] __cfg80211_leave_ibss+0x1a2/0x4d0 [ 66.536292][ T8459] cfg80211_leave_ibss+0x57/0x80 [ 66.541229][ T8459] cfg80211_change_iface+0x820/0xf40 [ 66.546507][ T8459] nl80211_set_interface+0x65c/0x8d0 [ 66.551779][ T8459] ? nl80211_notify_iface+0x180/0x180 [ 66.557138][ T8459] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 66.563371][ T8459] ? nl80211_pre_doit+0xa6/0x620 [ 66.568302][ T8459] genl_family_rcv_msg_doit+0x228/0x320 [ 66.573842][ T8459] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 66.581203][ T8459] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 66.587436][ T8459] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 66.593666][ T8459] ? ns_capable+0xd9/0x100 [ 66.598071][ T8459] genl_rcv_msg+0x328/0x580 [ 66.602564][ T8459] ? genl_get_cmd+0x480/0x480 [ 66.607230][ T8459] ? nl80211_notify_iface+0x180/0x180 [ 66.612588][ T8459] ? lock_release+0x720/0x720 [ 66.617269][ T8459] netlink_rcv_skb+0x153/0x420 [ 66.622023][ T8459] ? genl_get_cmd+0x480/0x480 [ 66.626687][ T8459] ? netlink_ack+0xaa0/0xaa0 [ 66.631273][ T8459] genl_rcv+0x24/0x40 [ 66.635241][ T8459] netlink_unicast+0x533/0x7d0 [ 66.639992][ T8459] ? netlink_attachskb+0x870/0x870 [ 66.645099][ T8459] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 66.651332][ T8459] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 66.657564][ T8459] ? __phys_addr_symbol+0x2c/0x70 [ 66.662586][ T8459] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 66.668294][ T8459] ? __check_object_size+0x171/0x3f0 [ 66.673753][ T8459] netlink_sendmsg+0x84c/0xd90 [ 66.678521][ T8459] ? netlink_unicast+0x7d0/0x7d0 [ 66.683447][ T8459] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 66.689680][ T8459] ? netlink_unicast+0x7d0/0x7d0 [ 66.694610][ T8459] sock_sendmsg+0xcf/0x120 [ 66.699017][ T8459] ____sys_sendmsg+0x6e8/0x810 [ 66.703765][ T8459] ? kernel_sendmsg+0x50/0x50 [ 66.708429][ T8459] ? do_recvmmsg+0x6d0/0x6d0 [ 66.713004][ T8459] ? lock_chain_count+0x20/0x20 [ 66.717853][ T8459] ? find_held_lock+0x2d/0x110 [ 66.722607][ T8459] ___sys_sendmsg+0xf3/0x170 [ 66.727182][ T8459] ? sendmsg_copy_msghdr+0x160/0x160 [ 66.732455][ T8459] ? __lock_acquire+0x16a7/0x5230 [ 66.737486][ T8459] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 66.743458][ T8459] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 66.749430][ T8459] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 66.755672][ T8459] ? __fget_light+0x215/0x280 [ 66.760342][ T8459] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 66.766573][ T8459] __sys_sendmsg+0xe5/0x1b0 [ 66.771076][ T8459] ? __sys_sendmsg_sock+0x30/0x30 [ 66.776092][ T8459] ? syscall_enter_from_user_mode+0x27/0x70 [ 66.781983][ T8459] do_syscall_64+0x3a/0xb0 [ 66.786389][ T8459] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 66.792283][ T8459] RIP: 0033:0x440bf9 [ 66.796160][ T8459] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 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 [ 66.815854][ T8459] RSP: 002b:00007fff2f953228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 66.824260][ T8459] RAX: ffffffffffffffda RBX: 00000000000102f1 RCX: 0000000000440bf9 [ 66.832225][ T8459] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 [ 66.840186][ T8459] RBP: 0000000000000000 R08: 00007fff2f9533c8 R09: 00007fff2f9533c8 [ 66.848147][ T8459] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2f95323c [ 66.856104][ T8459] R13: 431bde82d7b634db R14: 00000000004b5018 R15: 00000000004004b8 [ 66.864070][ T8459] Modules linked in: [ 66.911364][ T8459] ---[ end trace a51fdf650bceaccc ]--- [ 66.920199][ T8459] RIP: 0010:ieee80211_chanctx_num_assigned+0xb1/0x140 [ 66.937230][ T8459] Code: a8 f6 ff ff 48 39 c5 74 3b 49 bd 00 00 00 00 00 fc ff df e8 81 0d 00 f9 48 8d bb 58 09 00 00 41 83 c4 01 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 75 68 48 8b 83 58 09 00 00 48 8d 98 a8 f6 ff ff 48 [ 66.956974][ T8459] RSP: 0018:ffffc900016ff328 EFLAGS: 00010a02 [ 66.963204][ T8459] RAX: 1bd5a00000000020 RBX: deacfffffffff7a8 RCX: 0000000000000000 [ 66.975621][ T8459] RDX: ffff888021593900 RSI: ffffffff88746abf RDI: dead000000000100 [ 66.983678][ T8459] RBP: ffff888014c21720 R08: 0000000000000000 R09: 0000000000000001 [ 66.992386][ T8459] R10: ffffffff88746b1b R11: 0000000000000000 R12: 0000000000000002 [ 67.000649][ T8459] R13: dffffc0000000000 R14: ffff888014c21700 R15: 0000000000000000 [ 67.008737][ T8459] FS: 000000000075f300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 67.018087][ T8459] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.043731][ T8459] CR2: 000055aa3c26ba1f CR3: 0000000012e9a000 CR4: 00000000001506e0 [ 67.052446][ T8459] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.060853][ T8459] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.069625][ T8459] Kernel panic - not syncing: Fatal exception [ 67.076407][ T8459] Kernel Offset: disabled [ 67.080723][ T8459] Rebooting in 86400 seconds..