[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.8' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 70.673025][ T8399] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 70.685988][ T8399] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 70.694385][ T8399] CPU: 1 PID: 8399 Comm: syz-executor205 Not tainted 5.12.0-rc4-syzkaller #0 [ 70.703122][ T8399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.713167][ T8399] RIP: 0010:nl802154_del_llsec_dev+0x150/0x310 [ 70.719328][ T8399] Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c4 01 00 00 48 8b 93 18 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 13 [ 70.739043][ T8399] RSP: 0018:ffffc90000fff568 EFLAGS: 00010246 [ 70.745193][ T8399] RAX: dffffc0000000000 RBX: ffff8880138be000 RCX: 0000000000000000 [ 70.753145][ T8399] RDX: 0000000000000000 RSI: ffffffff8890b5ca RDI: ffff8880138be118 [ 70.761108][ T8399] RBP: 1ffff920001ffeae R08: 0000000000000000 R09: 0000000000000000 [ 70.769060][ T8399] R10: ffffffff87380a7a R11: 0000000000000000 R12: ffff88801adbe000 [ 70.777011][ T8399] R13: ffff88801ade0c10 R14: ffffc90000fff8b0 R15: 0000000000000000 [ 70.784965][ T8399] FS: 0000000001a68300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 70.793906][ T8399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.800494][ T8399] CR2: 0000000020000048 CR3: 00000000180ac000 CR4: 00000000001506e0 [ 70.808457][ T8399] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.817492][ T8399] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.825805][ T8399] Call Trace: [ 70.829087][ T8399] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.835535][ T8399] ? nl802154_wpan_phy_netns+0x2c0/0x2c0 [ 70.842807][ T8399] ? __nla_parse+0x3d/0x50 [ 70.847849][ T8399] ? nl802154_get_llsec_params+0x390/0x390 [ 70.853917][ T8399] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.860432][ T8399] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 70.869013][ T8399] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 70.876741][ T8399] genl_family_rcv_msg_doit+0x228/0x320 [ 70.882303][ T8399] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 70.892035][ T8399] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.898735][ T8399] ? ns_capable+0xde/0x100 [ 70.903602][ T8399] genl_rcv_msg+0x328/0x580 [ 70.908310][ T8399] ? genl_get_cmd+0x480/0x480 [ 70.915444][ T8399] ? nl802154_wpan_phy_netns+0x2c0/0x2c0 [ 70.922419][ T8399] ? lock_release+0x720/0x720 [ 70.927489][ T8399] netlink_rcv_skb+0x153/0x420 [ 70.932260][ T8399] ? genl_get_cmd+0x480/0x480 [ 70.936948][ T8399] ? netlink_ack+0xaa0/0xaa0 [ 70.941681][ T8399] genl_rcv+0x24/0x40 [ 70.945745][ T8399] netlink_unicast+0x533/0x7d0 [ 70.950798][ T8399] ? netlink_attachskb+0x870/0x870 [ 70.955894][ T8399] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.962120][ T8399] ? __phys_addr_symbol+0x2c/0x70 [ 70.967148][ T8399] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 70.972850][ T8399] ? __check_object_size+0x171/0x3f0 [ 70.978120][ T8399] netlink_sendmsg+0x856/0xd90 [ 70.982867][ T8399] ? netlink_unicast+0x7d0/0x7d0 [ 70.987786][ T8399] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.994028][ T8399] ? netlink_unicast+0x7d0/0x7d0 [ 70.998944][ T8399] sock_sendmsg+0xcf/0x120 [ 71.003357][ T8399] ____sys_sendmsg+0x6e8/0x810 [ 71.008106][ T8399] ? kernel_sendmsg+0x50/0x50 [ 71.012764][ T8399] ? do_recvmmsg+0x6d0/0x6d0 [ 71.017335][ T8399] ? lock_chain_count+0x20/0x20 [ 71.022176][ T8399] ? stack_trace_consume_entry+0x160/0x160 [ 71.027964][ T8399] ___sys_sendmsg+0xf3/0x170 [ 71.032551][ T8399] ? sendmsg_copy_msghdr+0x160/0x160 [ 71.037827][ T8399] ? __lock_acquire+0x16b3/0x54c0 [ 71.042835][ T8399] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.048805][ T8399] ? lockdep_hardirqs_on+0x79/0x100 [ 71.053990][ T8399] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.060214][ T8399] ? __fget_light+0x215/0x280 [ 71.064873][ T8399] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.071097][ T8399] __sys_sendmsg+0xe5/0x1b0 [ 71.075583][ T8399] ? __sys_sendmsg_sock+0x30/0x30 [ 71.080588][ T8399] ? syscall_enter_from_user_mode+0x27/0x70 [ 71.086464][ T8399] do_syscall_64+0x2d/0x70 [ 71.090865][ T8399] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.096745][ T8399] RIP: 0033:0x43fa49 [ 71.100618][ T8399] 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 [ 71.120302][ T8399] RSP: 002b:00007ffe2be80dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.128698][ T8399] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043fa49 [ 71.136649][ T8399] RDX: 0000000020040040 RSI: 0000000020000100 RDI: 0000000000000003 [ 71.144614][ T8399] RBP: 00000000004034b0 R08: 000000000000000c R09: 00000000004004a0 [ 71.152586][ T8399] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000403540 [ 71.160806][ T8399] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 71.169504][ T8399] Modules linked in: [ 71.173566][ T8399] ---[ end trace d194446cffc8140b ]--- [ 71.179208][ T8399] RIP: 0010:nl802154_del_llsec_dev+0x150/0x310 [ 71.179250][ T8399] Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c4 01 00 00 48 8b 93 18 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 13 [ 71.179278][ T8399] RSP: 0018:ffffc90000fff568 EFLAGS: 00010246 [ 71.179297][ T8399] RAX: dffffc0000000000 RBX: ffff8880138be000 RCX: 0000000000000000 [ 71.179313][ T8399] RDX: 0000000000000000 RSI: ffffffff8890b5ca RDI: ffff8880138be118 [ 71.227510][ T8399] RBP: 1ffff920001ffeae R08: 0000000000000000 R09: 0000000000000000 [ 71.235858][ T8399] R10: ffffffff87380a7a R11: 0000000000000000 R12: ffff88801adbe000 [ 71.243975][ T8399] R13: ffff88801ade0c10 R14: ffffc90000fff8b0 R15: 0000000000000000 [ 71.251970][ T8399] FS: 0000000001a68300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 71.261113][ T8399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.267781][ T8399] CR2: 0000000020000048 CR3: 00000000180ac000 CR4: 00000000001506e0 [ 71.275900][ T8399] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.283949][ T8399] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.292105][ T8399] Kernel panic - not syncing: Fatal exception [ 71.299413][ T8399] Kernel Offset: disabled [ 71.303741][ T8399] Rebooting in 86400 seconds..