[ 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... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.126' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 75.459899][ T8434] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 75.471871][ T8434] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 75.480280][ T8434] CPU: 1 PID: 8434 Comm: syz-executor847 Not tainted 5.12.0-rc4-syzkaller #0 [ 75.489053][ T8434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.499331][ T8434] RIP: 0010:nl802154_add_llsec_key+0x1f7/0x560 [ 75.505513][ T8434] 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 [ 75.525241][ T8434] RSP: 0018:ffffc90000f2f4a0 EFLAGS: 00010246 [ 75.531309][ T8434] RAX: dffffc0000000000 RBX: ffff88802755c400 RCX: 0000000000000000 [ 75.539309][ T8434] RDX: 0000000000000000 RSI: ffffffff8892eeb5 RDI: ffff88802755c528 [ 75.548320][ T8434] RBP: 1ffff920001e5e95 R08: 0000000000000000 R09: ffff88814446856b [ 75.557555][ T8434] R10: ffffffff87388e7a R11: 0000000000000000 R12: ffff88801b6a4000 [ 75.566650][ T8434] R13: ffff888144468c10 R14: ffffc90000f2f8b0 R15: 0000000000000000 [ 75.575511][ T8434] FS: 0000000000aef300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 75.585103][ T8434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.591845][ T8434] CR2: 0000000020000048 CR3: 0000000018b82000 CR4: 00000000001506e0 [ 75.600058][ T8434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.608050][ T8434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.616209][ T8434] Call Trace: [ 75.619520][ T8434] ? nl802154_del_llsec_key+0x320/0x320 [ 75.625082][ T8434] ? wpan_phy_sysfs_exit+0x20/0x20 [ 75.630292][ T8434] ? nl802154_pre_doit+0xf8/0xd30 [ 75.635629][ T8434] ? __nla_parse+0x3d/0x50 [ 75.640239][ T8434] ? nl802154_get_llsec_params+0x390/0x390 [ 75.646397][ T8434] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.652655][ T8434] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 75.661713][ T8434] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 75.669013][ T8434] genl_family_rcv_msg_doit+0x228/0x320 [ 75.675048][ T8434] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 75.682548][ T8434] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.689236][ T8434] ? ns_capable+0xde/0x100 [ 75.693764][ T8434] genl_rcv_msg+0x328/0x580 [ 75.698509][ T8434] ? genl_get_cmd+0x480/0x480 [ 75.703230][ T8434] ? nl802154_del_llsec_key+0x320/0x320 [ 75.708812][ T8434] ? lock_release+0x720/0x720 [ 75.713498][ T8434] netlink_rcv_skb+0x153/0x420 [ 75.718266][ T8434] ? genl_get_cmd+0x480/0x480 [ 75.722961][ T8434] ? netlink_ack+0xaa0/0xaa0 [ 75.727554][ T8434] genl_rcv+0x24/0x40 [ 75.731545][ T8434] netlink_unicast+0x533/0x7d0 [ 75.736310][ T8434] ? netlink_attachskb+0x870/0x870 [ 75.741421][ T8434] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 75.747801][ T8434] ? __phys_addr_symbol+0x2c/0x70 [ 75.752829][ T8434] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 75.758551][ T8434] ? __check_object_size+0x171/0x3f0 [ 75.763836][ T8434] netlink_sendmsg+0x856/0xd90 [ 75.768698][ T8434] ? netlink_unicast+0x7d0/0x7d0 [ 75.774006][ T8434] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.780338][ T8434] ? netlink_unicast+0x7d0/0x7d0 [ 75.785281][ T8434] sock_sendmsg+0xcf/0x120 [ 75.789727][ T8434] ____sys_sendmsg+0x6e8/0x810 [ 75.794551][ T8434] ? kernel_sendmsg+0x50/0x50 [ 75.799246][ T8434] ? do_recvmmsg+0x6d0/0x6d0 [ 75.803891][ T8434] ? fs_reclaim_release+0x9c/0xe0 [ 75.808923][ T8434] ? lock_chain_count+0x20/0x20 [ 75.813799][ T8434] ___sys_sendmsg+0xf3/0x170 [ 75.818649][ T8434] ? sendmsg_copy_msghdr+0x160/0x160 [ 75.823959][ T8434] ? __lock_acquire+0x16b3/0x54c0 [ 75.829006][ T8434] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 75.835091][ T8434] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.841352][ T8434] ? __fget_light+0x215/0x280 [ 75.846061][ T8434] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 75.852307][ T8434] __sys_sendmsg+0xe5/0x1b0 [ 75.856847][ T8434] ? __sys_sendmsg_sock+0x30/0x30 [ 75.861892][ T8434] ? syscall_enter_from_user_mode+0x27/0x70 [ 75.867800][ T8434] do_syscall_64+0x2d/0x70 [ 75.872324][ T8434] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 75.878310][ T8434] RIP: 0033:0x43fa39 [ 75.882324][ T8434] 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 [ 75.903257][ T8434] RSP: 002b:00007fff37fa41d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.911669][ T8434] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043fa39 [ 75.919638][ T8434] RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000003 [ 75.927628][ T8434] RBP: 00000000004034a0 R08: 000000000000000c R09: 00000000004004a0 [ 75.935615][ T8434] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000403530 [ 75.943583][ T8434] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 75.951657][ T8434] Modules linked in: [ 75.961532][ T8434] ---[ end trace 920e21cbfeb88889 ]--- [ 75.967087][ T8434] RIP: 0010:nl802154_add_llsec_key+0x1f7/0x560 [ 75.973360][ T8434] 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 [ 76.012563][ T8434] RSP: 0018:ffffc90000f2f4a0 EFLAGS: 00010246 [ 76.018695][ T8434] RAX: dffffc0000000000 RBX: ffff88802755c400 RCX: 0000000000000000 [ 76.029327][ T8434] RDX: 0000000000000000 RSI: ffffffff8892eeb5 RDI: ffff88802755c528 [ 76.037710][ T8434] RBP: 1ffff920001e5e95 R08: 0000000000000000 R09: ffff88814446856b [ 76.046075][ T8434] R10: ffffffff87388e7a R11: 0000000000000000 R12: ffff88801b6a4000 [ 76.054412][ T8434] R13: ffff888144468c10 R14: ffffc90000f2f8b0 R15: 0000000000000000 [ 76.062467][ T8434] FS: 0000000000aef300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 76.071422][ T8434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.078367][ T8434] CR2: 00007f6d32d30ab4 CR3: 0000000018b82000 CR4: 00000000001506e0 [ 76.086569][ T8434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.095417][ T8434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.103964][ T8434] Kernel panic - not syncing: Fatal exception [ 76.110787][ T8434] Kernel Offset: disabled [ 76.115131][ T8434] Rebooting in 86400 seconds..