[ 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 '10.128.0.8' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 67.799517][ T8407] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 67.811375][ T8407] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 67.819770][ T8407] CPU: 0 PID: 8407 Comm: syz-executor751 Not tainted 5.11.0-rc7-syzkaller #0 [ 67.828515][ T8407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.838554][ T8407] RIP: 0010:nl802154_del_llsec_key+0x16d/0x320 [ 67.844713][ T8407] Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ab 01 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 16 [ 67.864343][ T8407] RSP: 0018:ffffc9000918f528 EFLAGS: 00010246 [ 67.870444][ T8407] RAX: dffffc0000000000 RBX: ffff8880163c8800 RCX: 0000000000000000 [ 67.878402][ T8407] RDX: 0000000000000000 RSI: ffffffff888bdc97 RDI: ffff8880163c8928 [ 67.886377][ T8407] RBP: 1ffff92001231ea6 R08: 0000000000000000 R09: 0000000000000000 [ 67.894328][ T8407] R10: ffffffff8733313a R11: 0000000000000000 R12: ffff88801bdd2000 [ 67.902283][ T8407] R13: ffff88801bdf8bd0 R14: ffffc9000918f8b0 R15: 0000000000000000 [ 67.910238][ T8407] FS: 00000000016b6300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 67.919267][ T8407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.925882][ T8407] CR2: 0000000020000048 CR3: 0000000018bc1000 CR4: 00000000001506f0 [ 67.933848][ T8407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.941877][ T8407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.949852][ T8407] Call Trace: [ 67.953117][ T8407] ? nl802154_add_llsec_devkey+0x3d0/0x3d0 [ 67.958916][ T8407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 67.965171][ T8407] ? nl802154_pre_doit+0xf8/0xce0 [ 67.970183][ T8407] ? __nla_parse+0x3d/0x50 [ 67.974588][ T8407] ? nl802154_get_llsec_params+0x390/0x390 [ 67.980375][ T8407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.986616][ T8407] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 67.993974][ T8407] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 68.001248][ T8407] genl_family_rcv_msg_doit+0x228/0x320 [ 68.006782][ T8407] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 68.014142][ T8407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.020366][ T8407] ? ns_capable+0xde/0x100 [ 68.024767][ T8407] genl_rcv_msg+0x328/0x580 [ 68.029255][ T8407] ? genl_get_cmd+0x480/0x480 [ 68.033916][ T8407] ? nl802154_add_llsec_devkey+0x3d0/0x3d0 [ 68.039731][ T8407] ? lock_release+0x710/0x710 [ 68.044394][ T8407] netlink_rcv_skb+0x153/0x420 [ 68.049204][ T8407] ? genl_get_cmd+0x480/0x480 [ 68.053878][ T8407] ? netlink_ack+0xaa0/0xaa0 [ 68.058463][ T8407] genl_rcv+0x24/0x40 [ 68.062434][ T8407] netlink_unicast+0x533/0x7d0 [ 68.067261][ T8407] ? netlink_attachskb+0x870/0x870 [ 68.072358][ T8407] ? _copy_from_iter_full+0x275/0x850 [ 68.077717][ T8407] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 68.083945][ T8407] ? __phys_addr_symbol+0x2c/0x70 [ 68.089006][ T8407] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 68.094730][ T8407] ? __check_object_size+0x171/0x3f0 [ 68.100004][ T8407] netlink_sendmsg+0x856/0xd90 [ 68.104818][ T8407] ? netlink_unicast+0x7d0/0x7d0 [ 68.109753][ T8407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.115988][ T8407] ? netlink_unicast+0x7d0/0x7d0 [ 68.120925][ T8407] sock_sendmsg+0xcf/0x120 [ 68.125333][ T8407] ____sys_sendmsg+0x6e8/0x810 [ 68.130081][ T8407] ? kernel_sendmsg+0x50/0x50 [ 68.134740][ T8407] ? do_recvmmsg+0x6c0/0x6c0 [ 68.139317][ T8407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.145546][ T8407] ? netlink_recvmsg+0x826/0xee0 [ 68.150470][ T8407] ___sys_sendmsg+0xf3/0x170 [ 68.155047][ T8407] ? sendmsg_copy_msghdr+0x160/0x160 [ 68.160358][ T8407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.166586][ T8407] ? security_socket_recvmsg+0x8f/0xc0 [ 68.172064][ T8407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.178291][ T8407] ? __sys_recvfrom+0x2cc/0x3a0 [ 68.183124][ T8407] ? __ia32_sys_send+0x100/0x100 [ 68.188044][ T8407] ? fd_install+0x1e3/0x640 [ 68.192528][ T8407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.198764][ T8407] ? __fget_light+0x215/0x280 [ 68.203425][ T8407] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 68.209651][ T8407] __sys_sendmsg+0xe5/0x1b0 [ 68.214141][ T8407] ? __sys_sendmsg_sock+0xb0/0xb0 [ 68.219147][ T8407] ? syscall_enter_from_user_mode+0x1d/0x50 [ 68.225039][ T8407] do_syscall_64+0x2d/0x70 [ 68.229436][ T8407] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.235311][ T8407] RIP: 0033:0x43f909 [ 68.239186][ T8407] 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 [ 68.258786][ T8407] RSP: 002b:00007ffed44f5828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.267180][ T8407] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043f909 [ 68.275150][ T8407] RDX: 0000000020000000 RSI: 0000000020000140 RDI: 0000000000000003 [ 68.283105][ T8407] RBP: 0000000000403370 R08: 000000000000000c R09: 00000000004004a0 [ 68.291055][ T8407] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000403400 [ 68.299005][ T8407] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 68.306975][ T8407] Modules linked in: [ 68.311370][ T8407] ---[ end trace afc74948db3bfb51 ]--- [ 68.316975][ T8407] RIP: 0010:nl802154_del_llsec_key+0x16d/0x320 [ 68.323153][ T8407] Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ab 01 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 16 [ 68.342805][ T8407] RSP: 0018:ffffc9000918f528 EFLAGS: 00010246 [ 68.348931][ T8407] RAX: dffffc0000000000 RBX: ffff8880163c8800 RCX: 0000000000000000 [ 68.356924][ T8407] RDX: 0000000000000000 RSI: ffffffff888bdc97 RDI: ffff8880163c8928 [ 68.364937][ T8407] RBP: 1ffff92001231ea6 R08: 0000000000000000 R09: 0000000000000000 [ 68.372907][ T8407] R10: ffffffff8733313a R11: 0000000000000000 R12: ffff88801bdd2000 [ 68.380901][ T8407] R13: ffff88801bdf8bd0 R14: ffffc9000918f8b0 R15: 0000000000000000 [ 68.388930][ T8407] FS: 00000000016b6300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 68.397913][ T8407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.404502][ T8407] CR2: 0000000020000048 CR3: 0000000018bc1000 CR4: 00000000001506f0 [ 68.412637][ T8407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.420662][ T8407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.428684][ T8407] Kernel panic - not syncing: Fatal exception [ 68.435522][ T8407] Kernel Offset: disabled [ 68.439840][ T8407] Rebooting in 86400 seconds..