[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.219' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 71.496358][ T8454] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 71.508215][ T8454] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 71.516659][ T8454] CPU: 0 PID: 8454 Comm: syz-executor650 Not tainted 5.11.0-rc7-syzkaller #0 [ 71.525416][ T8454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.535468][ T8454] RIP: 0010:nl802154_add_llsec_key+0x1f7/0x560 [ 71.541625][ T8454] Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2f 03 00 00 48 8b 93 28 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 d1 48 c1 e9 03 <0f> b6 0c 01 48 89 d0 83 e0 07 83 c0 01 38 c8 7c 08 84 c9 0f 85 c9 [ 71.561256][ T8454] RSP: 0018:ffffc9000cd274a0 EFLAGS: 00010246 [ 71.567313][ T8454] RAX: dffffc0000000000 RBX: ffff88801d2b5c00 RCX: 0000000000000000 [ 71.575266][ T8454] RDX: 0000000000000000 RSI: ffffffff888b6775 RDI: ffff88801d2b5d28 [ 71.583230][ T8454] RBP: 1ffff920019a4e95 R08: 0000000000000000 R09: 0000000000000000 [ 71.591269][ T8454] R10: ffffffff8732d43a R11: 0000000000000000 R12: ffff888144b48000 [ 71.599241][ T8454] R13: ffff88801b720bd0 R14: ffffc9000cd278b0 R15: 0000000000000000 [ 71.607199][ T8454] FS: 00000000010bc300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 71.616119][ T8454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.622699][ T8454] CR2: 00000000200006c8 CR3: 0000000012784000 CR4: 00000000001506f0 [ 71.630775][ T8454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.638738][ T8454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.646696][ T8454] Call Trace: [ 71.649970][ T8454] ? nl802154_del_llsec_key+0x320/0x320 [ 71.655511][ T8454] ? nl802154_post_doit+0x1f0/0x1f0 [ 71.660741][ T8454] ? nl802154_pre_doit+0xf8/0xce0 [ 71.665753][ T8454] ? __nla_parse+0x3d/0x50 [ 71.670168][ T8454] ? nl802154_get_llsec_params+0x390/0x390 [ 71.675958][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.682186][ T8454] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 71.689556][ T8454] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 71.698792][ T8454] genl_family_rcv_msg_doit+0x228/0x320 [ 71.704338][ T8454] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 71.711698][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.717972][ T8454] ? ns_capable+0xde/0x100 [ 71.722389][ T8454] genl_rcv_msg+0x328/0x580 [ 71.726876][ T8454] ? genl_get_cmd+0x480/0x480 [ 71.731535][ T8454] ? nl802154_del_llsec_key+0x320/0x320 [ 71.737070][ T8454] ? lock_release+0x710/0x710 [ 71.741771][ T8454] netlink_rcv_skb+0x153/0x420 [ 71.746530][ T8454] ? genl_get_cmd+0x480/0x480 [ 71.751197][ T8454] ? netlink_ack+0xaa0/0xaa0 [ 71.755785][ T8454] genl_rcv+0x24/0x40 [ 71.759753][ T8454] netlink_unicast+0x533/0x7d0 [ 71.764505][ T8454] ? netlink_attachskb+0x870/0x870 [ 71.769601][ T8454] ? _copy_from_iter_full+0x275/0x850 [ 71.774969][ T8454] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.781211][ T8454] ? __phys_addr_symbol+0x2c/0x70 [ 71.786236][ T8454] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.791941][ T8454] ? __check_object_size+0x171/0x3f0 [ 71.797217][ T8454] netlink_sendmsg+0x856/0xd90 [ 71.801970][ T8454] ? netlink_unicast+0x7d0/0x7d0 [ 71.806992][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.813224][ T8454] ? netlink_unicast+0x7d0/0x7d0 [ 71.818151][ T8454] sock_sendmsg+0xcf/0x120 [ 71.822548][ T8454] ____sys_sendmsg+0x6e8/0x810 [ 71.827293][ T8454] ? kernel_sendmsg+0x50/0x50 [ 71.831964][ T8454] ? do_recvmmsg+0x6c0/0x6c0 [ 71.836537][ T8454] ? fs_reclaim_release+0x9c/0xe0 [ 71.841547][ T8454] ___sys_sendmsg+0xf3/0x170 [ 71.846133][ T8454] ? sendmsg_copy_msghdr+0x160/0x160 [ 71.851417][ T8454] ? lockdep_init_map_waits+0x26a/0x720 [ 71.856953][ T8454] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.862932][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.869218][ T8454] ? percpu_counter_add_batch+0xbd/0x180 [ 71.874846][ T8454] ? find_held_lock+0x2d/0x110 [ 71.879596][ T8454] ? fd_install+0x1e3/0x640 [ 71.884083][ T8454] ? lock_downgrade+0x6d0/0x6d0 [ 71.888935][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.895227][ T8454] ? __fget_light+0x215/0x280 [ 71.899902][ T8454] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.906139][ T8454] __sys_sendmsg+0xe5/0x1b0 [ 71.910632][ T8454] ? __sys_sendmsg_sock+0xb0/0xb0 [ 71.915647][ T8454] ? syscall_enter_from_user_mode+0x1d/0x50 [ 71.921541][ T8454] do_syscall_64+0x2d/0x70 [ 71.925947][ T8454] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.931825][ T8454] RIP: 0033:0x43f8a9 [ 71.935701][ T8454] Code: 28 c3 e8 5a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 71.955289][ T8454] RSP: 002b:00007ffd77182238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.963700][ T8454] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043f8a9 [ 71.971653][ T8454] RDX: 0000000000000000 RSI: 0000000020000a00 RDI: 0000000000000004 [ 71.979606][ T8454] RBP: 0000000000403310 R08: 00000000004004a0 R09: 00000000004004a0 [ 71.987565][ T8454] R10: 0000000000000003 R11: 0000000000000246 R12: 00000000004033a0 [ 71.995516][ T8454] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 72.003478][ T8454] Modules linked in: [ 72.008117][ T8454] ---[ end trace af142b161c10fe40 ]--- [ 72.013582][ T8454] RIP: 0010:nl802154_add_llsec_key+0x1f7/0x560 [ 72.019918][ T8454] Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2f 03 00 00 48 8b 93 28 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 d1 48 c1 e9 03 <0f> b6 0c 01 48 89 d0 83 e0 07 83 c0 01 38 c8 7c 08 84 c9 0f 85 c9 [ 72.039586][ T8454] RSP: 0018:ffffc9000cd274a0 EFLAGS: 00010246 [ 72.045660][ T8454] RAX: dffffc0000000000 RBX: ffff88801d2b5c00 RCX: 0000000000000000 [ 72.053661][ T8454] RDX: 0000000000000000 RSI: ffffffff888b6775 RDI: ffff88801d2b5d28 [ 72.061698][ T8454] RBP: 1ffff920019a4e95 R08: 0000000000000000 R09: 0000000000000000 [ 72.069700][ T8454] R10: ffffffff8732d43a R11: 0000000000000000 R12: ffff888144b48000 [ 72.077725][ T8454] R13: ffff88801b720bd0 R14: ffffc9000cd278b0 R15: 0000000000000000 [ 72.085693][ T8454] FS: 00000000010bc300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 72.094636][ T8454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.101264][ T8454] CR2: 00000000200006c8 CR3: 0000000012784000 CR4: 00000000001506f0 [ 72.109373][ T8454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.117381][ T8454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.125349][ T8454] Kernel panic - not syncing: Fatal exception [ 72.132150][ T8454] Kernel Offset: disabled [ 72.136501][ T8454] Rebooting in 86400 seconds..