[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.88' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 67.852955][ T8397] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 67.864932][ T8397] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 67.873325][ T8397] CPU: 1 PID: 8397 Comm: syz-executor394 Not tainted 5.11.0-syzkaller #0 [ 67.881718][ T8397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.891803][ T8397] RIP: 0010:ieee802154_llsec_parse_dev_addr+0x263/0x370 [ 67.898746][ T8397] Code: 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 27 ce e6 f8 48 8b 5c 24 50 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 04 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ee 00 00 00 48 8d 7d 08 48 8b 5b 04 48 b8 00 00 [ 67.918345][ T8397] RSP: 0018:ffffc90001ac7388 EFLAGS: 00010247 [ 67.924392][ T8397] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 67.932340][ T8397] RDX: 0000000000000000 RSI: ffffffff888c3ac9 RDI: 0000000000000004 [ 67.940289][ T8397] RBP: ffffc90001ac7588 R08: ffffffff8a88b8a0 R09: ffffffff888c3a61 [ 67.948240][ T8397] R10: 0000000000000002 R11: 0000000000000003 R12: 1ffff92000358e71 [ 67.956189][ T8397] R13: 0000000000000000 R14: ffff8880144600c0 R15: ffff8880144600a8 [ 67.964140][ T8397] FS: 0000000001aeb300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 67.973060][ T8397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.979623][ T8397] CR2: 0000000020000100 CR3: 0000000013797000 CR4: 00000000001506e0 [ 67.987583][ T8397] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.995530][ T8397] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.003478][ T8397] Call Trace: [ 68.006750][ T8397] ? nl802154_del_llsec_dev+0x310/0x310 [ 68.012298][ T8397] ? __nla_parse+0x3d/0x50 [ 68.016705][ T8397] ieee802154_llsec_parse_key_id+0x343/0x410 [ 68.022674][ T8397] ? nl802154_add_llsec_seclevel+0x230/0x230 [ 68.028642][ T8397] ? nla_memcpy+0x88/0xa0 [ 68.032964][ T8397] ? nl802154_post_doit+0x1f0/0x1f0 [ 68.038146][ T8397] nl802154_set_llsec_params+0x1db/0x470 [ 68.043761][ T8397] ? ieee802154_llsec_parse_key_id+0x410/0x410 [ 68.049897][ T8397] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 68.056122][ T8397] ? nl802154_pre_doit+0x70/0xce0 [ 68.061160][ T8397] ? __nla_parse+0x3d/0x50 [ 68.065570][ T8397] ? nl802154_get_llsec_params+0x390/0x390 [ 68.071370][ T8397] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.077599][ T8397] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 68.084954][ T8397] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 68.092223][ T8397] genl_family_rcv_msg_doit+0x228/0x320 [ 68.097756][ T8397] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 68.105200][ T8397] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.112842][ T8397] ? ns_capable+0xde/0x100 [ 68.117257][ T8397] genl_rcv_msg+0x32f/0x590 [ 68.121747][ T8397] ? genl_get_cmd+0x480/0x480 [ 68.126450][ T8397] ? ieee802154_llsec_parse_key_id+0x410/0x410 [ 68.132591][ T8397] ? lock_release+0x720/0x720 [ 68.137255][ T8397] netlink_rcv_skb+0x153/0x420 [ 68.142005][ T8397] ? genl_get_cmd+0x480/0x480 [ 68.146665][ T8397] ? netlink_ack+0xab0/0xab0 [ 68.151240][ T8397] genl_rcv+0x24/0x40 [ 68.155205][ T8397] netlink_unicast+0x533/0x7d0 [ 68.160005][ T8397] ? netlink_attachskb+0x870/0x870 [ 68.165097][ T8397] ? _copy_from_iter_full+0x279/0x850 [ 68.170451][ T8397] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 68.176679][ T8397] ? __phys_addr_symbol+0x2c/0x70 [ 68.181685][ T8397] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 68.187386][ T8397] ? __check_object_size+0x171/0x3f0 [ 68.192653][ T8397] netlink_sendmsg+0x856/0xd90 [ 68.197522][ T8397] ? netlink_unicast+0x7d0/0x7d0 [ 68.202449][ T8397] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.208675][ T8397] ? netlink_unicast+0x7d0/0x7d0 [ 68.213611][ T8397] sock_sendmsg+0xcf/0x120 [ 68.218007][ T8397] ____sys_sendmsg+0x6e8/0x810 [ 68.222750][ T8397] ? kernel_sendmsg+0x50/0x50 [ 68.227405][ T8397] ? do_recvmmsg+0x6d0/0x6d0 [ 68.231985][ T8397] ? stack_trace_save+0x8c/0xc0 [ 68.236816][ T8397] ? stack_trace_consume_entry+0x160/0x160 [ 68.242617][ T8397] ___sys_sendmsg+0xf3/0x170 [ 68.247187][ T8397] ? sendmsg_copy_msghdr+0x160/0x160 [ 68.252453][ T8397] ? call_rcu+0xb1/0x740 [ 68.256686][ T8397] ? exit_to_user_mode_prepare+0x249/0x250 [ 68.262471][ T8397] ? syscall_exit_to_user_mode+0x19/0x50 [ 68.268098][ T8397] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 68.274152][ T8397] ? debug_object_active_state+0x260/0x350 [ 68.279941][ T8397] ? lock_downgrade+0x6e0/0x6e0 [ 68.284774][ T8397] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 68.290561][ T8397] ? lockdep_hardirqs_on+0x79/0x100 [ 68.295738][ T8397] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 68.301522][ T8397] ? debug_object_active_state+0x260/0x350 [ 68.307319][ T8397] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.313543][ T8397] ? __fget_light+0x215/0x280 [ 68.318304][ T8397] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 68.324550][ T8397] __sys_sendmsg+0xe5/0x1b0 [ 68.329035][ T8397] ? __sys_sendmsg_sock+0xb0/0xb0 [ 68.334043][ T8397] ? syscall_enter_from_user_mode+0x1d/0x50 [ 68.339916][ T8397] do_syscall_64+0x2d/0x70 [ 68.344310][ T8397] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 68.350182][ T8397] RIP: 0033:0x43fe09 [ 68.354055][ T8397] 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 [ 68.373640][ T8397] RSP: 002b:00007ffd5d610b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.382029][ T8397] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043fe09 [ 68.389979][ T8397] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000003 [ 68.398025][ T8397] RBP: 0000000000403870 R08: 0000000000000001 R09: 00000000004004a0 [ 68.405974][ T8397] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000403900 [ 68.413922][ T8397] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 68.421893][ T8397] Modules linked in: [ 68.428528][ T8397] ---[ end trace 1bab7d57b888239d ]--- [ 68.433992][ T8397] RIP: 0010:ieee802154_llsec_parse_dev_addr+0x263/0x370 [ 68.441346][ T8397] Code: 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 27 ce e6 f8 48 8b 5c 24 50 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 04 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ee 00 00 00 48 8d 7d 08 48 8b 5b 04 48 b8 00 00 [ 68.461034][ T8397] RSP: 0018:ffffc90001ac7388 EFLAGS: 00010247 [ 68.467098][ T8397] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 68.475188][ T8397] RDX: 0000000000000000 RSI: ffffffff888c3ac9 RDI: 0000000000000004 [ 68.483192][ T8397] RBP: ffffc90001ac7588 R08: ffffffff8a88b8a0 R09: ffffffff888c3a61 [ 68.491190][ T8397] R10: 0000000000000002 R11: 0000000000000003 R12: 1ffff92000358e71 [ 68.499251][ T8397] R13: 0000000000000000 R14: ffff8880144600c0 R15: ffff8880144600a8 [ 68.507216][ T8397] FS: 0000000001aeb300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 68.516155][ T8397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.522777][ T8397] CR2: 00007fd459d3e6c0 CR3: 0000000013797000 CR4: 00000000001506f0 [ 68.530767][ T8397] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.538770][ T8397] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.546734][ T8397] Kernel panic - not syncing: Fatal exception [ 68.552819][ T8397] Kernel Offset: disabled [ 68.557126][ T8397] Rebooting in 86400 seconds..