[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ 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... 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 '10.128.10.2' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 66.416916][ T8444] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 66.428643][ T8444] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 66.437031][ T8444] CPU: 1 PID: 8444 Comm: syz-executor279 Not tainted 5.11.0-rc7-syzkaller #0 [ 66.445781][ T8444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.455825][ T8444] RIP: 0010:nl802154_add_llsec_key+0x1f7/0x560 [ 66.461989][ T8444] 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 [ 66.481668][ T8444] RSP: 0018:ffffc90001adf4a0 EFLAGS: 00010246 [ 66.487733][ T8444] RAX: dffffc0000000000 RBX: ffff88802117c000 RCX: 0000000000000000 [ 66.496815][ T8444] RDX: 0000000000000000 RSI: ffffffff88892195 RDI: ffff88802117c128 [ 66.504775][ T8444] RBP: 1ffff9200035be95 R08: 0000000000000000 R09: 0000000000000000 [ 66.512727][ T8444] R10: ffffffff87315ffa R11: 0000000000000000 R12: ffff88801c222000 [ 66.520692][ T8444] R13: ffff88801bb34bd0 R14: ffffc90001adf8b0 R15: 0000000000000000 [ 66.528645][ T8444] FS: 0000000001dcd300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 66.537572][ T8444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.544145][ T8444] CR2: 00000000200006c8 CR3: 000000002146a000 CR4: 00000000001506e0 [ 66.552103][ T8444] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.560055][ T8444] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.568010][ T8444] Call Trace: [ 66.571272][ T8444] ? nl802154_del_llsec_key+0x320/0x320 [ 66.576822][ T8444] ? nl802154_post_doit+0x1f0/0x1f0 [ 66.582007][ T8444] ? nl802154_pre_doit+0xf8/0xce0 [ 66.587015][ T8444] ? __nla_parse+0x3d/0x50 [ 66.591425][ T8444] ? nl802154_get_llsec_params+0x390/0x390 [ 66.597216][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 66.603455][ T8444] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x280 [ 66.610808][ T8444] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x280 [ 66.618075][ T8444] genl_family_rcv_msg_doit+0x228/0x320 [ 66.623617][ T8444] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 66.630973][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 66.637202][ T8444] ? ns_capable+0xde/0x100 [ 66.641620][ T8444] genl_rcv_msg+0x328/0x580 [ 66.646108][ T8444] ? genl_get_cmd+0x480/0x480 [ 66.650768][ T8444] ? nl802154_del_llsec_key+0x320/0x320 [ 66.656322][ T8444] ? lock_release+0x710/0x710 [ 66.660985][ T8444] netlink_rcv_skb+0x153/0x420 [ 66.665744][ T8444] ? genl_get_cmd+0x480/0x480 [ 66.670405][ T8444] ? netlink_ack+0xaa0/0xaa0 [ 66.674980][ T8444] genl_rcv+0x24/0x40 [ 66.678943][ T8444] netlink_unicast+0x533/0x7d0 [ 66.683697][ T8444] ? netlink_attachskb+0x870/0x870 [ 66.688789][ T8444] ? _copy_from_iter_full+0x275/0x850 [ 66.695019][ T8444] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 66.701245][ T8444] ? __phys_addr_symbol+0x2c/0x70 [ 66.706252][ T8444] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 66.711956][ T8444] ? __check_object_size+0x171/0x3f0 [ 66.717227][ T8444] netlink_sendmsg+0x856/0xd90 [ 66.721985][ T8444] ? netlink_unicast+0x7d0/0x7d0 [ 66.726904][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 66.733132][ T8444] ? netlink_unicast+0x7d0/0x7d0 [ 66.738051][ T8444] sock_sendmsg+0xcf/0x120 [ 66.742448][ T8444] ____sys_sendmsg+0x6e8/0x810 [ 66.747197][ T8444] ? kernel_sendmsg+0x50/0x50 [ 66.751854][ T8444] ? do_recvmmsg+0x6c0/0x6c0 [ 66.756437][ T8444] ? fs_reclaim_release+0x9c/0xe0 [ 66.761459][ T8444] ___sys_sendmsg+0xf3/0x170 [ 66.766158][ T8444] ? sendmsg_copy_msghdr+0x160/0x160 [ 66.771427][ T8444] ? lockdep_init_map_waits+0x26a/0x720 [ 66.776968][ T8444] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 66.782947][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 66.789186][ T8444] ? percpu_counter_add_batch+0xbd/0x180 [ 66.794821][ T8444] ? find_held_lock+0x2d/0x110 [ 66.799571][ T8444] ? fd_install+0x1e3/0x640 [ 66.804068][ T8444] ? lock_downgrade+0x6d0/0x6d0 [ 66.808911][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 66.815150][ T8444] ? __fget_light+0x215/0x280 [ 66.819809][ T8444] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 66.826034][ T8444] __sys_sendmsg+0xe5/0x1b0 [ 66.830526][ T8444] ? __sys_sendmsg_sock+0xb0/0xb0 [ 66.835544][ T8444] ? syscall_enter_from_user_mode+0x1d/0x50 [ 66.841439][ T8444] do_syscall_64+0x2d/0x70 [ 66.845839][ T8444] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.851729][ T8444] RIP: 0033:0x43f8a9 [ 66.855606][ T8444] 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 [ 66.875197][ T8444] RSP: 002b:00007ffe56c91f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 66.883607][ T8444] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043f8a9 [ 66.891574][ T8444] RDX: 0000000000000000 RSI: 0000000020000a00 RDI: 0000000000000004 [ 66.899541][ T8444] RBP: 0000000000403310 R08: 00000000004004a0 R09: 00000000004004a0 [ 66.907501][ T8444] R10: 0000000000000003 R11: 0000000000000246 R12: 00000000004033a0 [ 66.915458][ T8444] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 66.923438][ T8444] Modules linked in: [ 66.927690][ T8444] ---[ end trace 1844a7d5c231fd88 ]--- [ 66.933324][ T8444] RIP: 0010:nl802154_add_llsec_key+0x1f7/0x560 [ 66.939512][ T8444] 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 [ 66.959256][ T8444] RSP: 0018:ffffc90001adf4a0 EFLAGS: 00010246 [ 66.965368][ T8444] RAX: dffffc0000000000 RBX: ffff88802117c000 RCX: 0000000000000000 [ 66.973377][ T8444] RDX: 0000000000000000 RSI: ffffffff88892195 RDI: ffff88802117c128 [ 66.981353][ T8444] RBP: 1ffff9200035be95 R08: 0000000000000000 R09: 0000000000000000 [ 66.989366][ T8444] R10: ffffffff87315ffa R11: 0000000000000000 R12: ffff88801c222000 [ 66.997399][ T8444] R13: ffff88801bb34bd0 R14: ffffc90001adf8b0 R15: 0000000000000000 [ 67.005407][ T8444] FS: 0000000001dcd300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 67.014393][ T8444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.020982][ T8444] CR2: 00000000200006c8 CR3: 000000002146a000 CR4: 00000000001506e0 [ 67.028981][ T8444] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.036991][ T8444] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.045010][ T8444] Kernel panic - not syncing: Fatal exception [ 67.051633][ T8444] Kernel Offset: disabled [ 67.055950][ T8444] Rebooting in 86400 seconds..