Warning: Permanently added '10.128.10.58' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 51.545969] kauditd_printk_skb: 5 callbacks suppressed [ 51.545985] audit: type=1400 audit(1563572661.038:36): avc: denied { map } for pid=7819 comm="syz-executor660" path="/root/syz-executor660313468" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 51.549729] netlink: 4 bytes leftover after parsing attributes in process `syz-executor660'. [ 51.587218] kasan: CONFIG_KASAN_INLINE enabled [ 51.592650] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 51.600056] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 51.606290] CPU: 0 PID: 7819 Comm: syz-executor660 Not tainted 4.19.59 #32 [ 51.613295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.622687] RIP: 0010:tcf_ife_init+0x221/0x17d0 [ 51.627342] Code: fb 48 c7 c2 99 43 81 85 be 01 00 00 00 48 c7 c7 60 da 79 88 e8 c0 26 d1 fb 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 83 [ 51.646234] RSP: 0018:ffff88808655eee0 EFLAGS: 00010246 [ 51.651585] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff110107191ae [ 51.658837] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000282 [ 51.666091] RBP: ffff88808655f068 R08: ffff8880838c8500 R09: 0000000000000001 [ 51.673528] R10: ffffed1015d04732 R11: ffff8880ae823993 R12: 0000000000000001 [ 51.680825] R13: ffff88809ad84900 R14: ffff88808655f040 R15: 0000000000000001 [ 51.688100] FS: 000000000228e880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 51.696315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.702196] CR2: 0000000020000180 CR3: 0000000089101000 CR4: 00000000001406f0 [ 51.709453] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.716730] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.724121] Call Trace: [ 51.726704] ? __add_metainfo+0x480/0x480 [ 51.730873] ? lock_downgrade+0x810/0x810 [ 51.735133] ? kasan_check_write+0x14/0x20 [ 51.739367] ? do_raw_read_unlock+0x3f/0x70 [ 51.743735] tcf_action_init_1+0x804/0xc40 [ 51.747966] ? tcf_action_dump_old+0x80/0x80 [ 51.752450] ? __lock_acquire+0x6eb/0x48f0 [ 51.756683] ? __lock_acquire+0x6eb/0x48f0 [ 51.760916] ? memset+0x32/0x40 [ 51.764204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.769730] tcf_action_init+0x23e/0x360 [ 51.773778] ? tcf_action_init_1+0xc40/0xc40 [ 51.778215] ? avc_has_extended_perms+0x10f0/0x10f0 [ 51.783219] ? lock_downgrade+0x810/0x810 [ 51.787379] tcf_action_add+0xe8/0x370 [ 51.791482] ? tca_action_gd+0x16b0/0x16b0 [ 51.795704] ? is_bpf_text_address+0xac/0x170 [ 51.800189] ? memset+0x32/0x40 [ 51.803473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.809015] ? nla_parse+0x1fc/0x2f0 [ 51.812719] tc_ctl_action+0x37a/0x46f [ 51.816593] ? tcf_action_add+0x370/0x370 [ 51.820821] ? __lock_is_held+0xb6/0x140 [ 51.824920] ? snb_update_pm_irq+0x290/0x310 [ 51.829325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.834856] ? tcf_action_add+0x370/0x370 [ 51.838990] rtnetlink_rcv_msg+0x463/0xb00 [ 51.843214] ? rtnetlink_put_metrics+0x570/0x570 [ 51.847972] ? netlink_deliver_tap+0x22d/0xc20 [ 51.852571] ? find_held_lock+0x35/0x130 [ 51.856637] netlink_rcv_skb+0x17d/0x460 [ 51.860684] ? rtnetlink_put_metrics+0x570/0x570 [ 51.865428] ? netlink_ack+0xb50/0xb50 [ 51.869303] ? kasan_check_read+0x11/0x20 [ 51.873455] ? netlink_deliver_tap+0x254/0xc20 [ 51.878030] rtnetlink_rcv+0x1d/0x30 [ 51.881779] netlink_unicast+0x537/0x720 [ 51.885868] ? netlink_attachskb+0x770/0x770 [ 51.890268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.895816] netlink_sendmsg+0x8ae/0xd70 [ 51.899870] ? netlink_unicast+0x720/0x720 [ 51.904103] ? selinux_socket_sendmsg+0x36/0x40 [ 51.908763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.914284] ? security_socket_sendmsg+0x8d/0xc0 [ 51.919036] ? netlink_unicast+0x720/0x720 [ 51.923275] sock_sendmsg+0xd7/0x130 [ 51.926983] ___sys_sendmsg+0x803/0x920 [ 51.930946] ? copy_msghdr_from_user+0x430/0x430 [ 51.935734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.941258] ? __handle_mm_fault+0x7d1/0x3f80 [ 51.945741] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 51.950586] ? find_held_lock+0x35/0x130 [ 51.954648] ? __do_page_fault+0x676/0xe90 [ 51.958868] ? find_held_lock+0x35/0x130 [ 51.962919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.968453] ? __fget_light+0x1a9/0x230 [ 51.972425] ? __fdget+0x1b/0x20 [ 51.975782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.981331] __sys_sendmsg+0x105/0x1d0 [ 51.985204] ? __ia32_sys_shutdown+0x80/0x80 [ 51.989599] ? up_read+0x1a/0x110 [ 51.993051] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 51.997883] ? do_syscall_64+0x26/0x620 [ 52.001864] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.007211] ? do_syscall_64+0x26/0x620 [ 52.011173] __x64_sys_sendmsg+0x78/0xb0 [ 52.015223] do_syscall_64+0xfd/0x620 [ 52.019011] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.024183] RIP: 0033:0x4401d9 [ 52.033658] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.052697] RSP: 002b:00007fff7fc315e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 52.060397] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401d9 [ 52.067740] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 [ 52.075020] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 52.082278] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a60 [ 52.089547] R13: 0000000000401af0 R14: 0000000000000000 R15: 0000000000000000 [ 52.096847] Modules linked in: [ 52.100231] ---[ end trace a1043596925c57fd ]--- [ 52.105058] RIP: 0010:tcf_ife_init+0x221/0x17d0 [ 52.109737] Code: fb 48 c7 c2 99 43 81 85 be 01 00 00 00 48 c7 c7 60 da 79 88 e8 c0 26 d1 fb 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 83 [ 52.128713] RSP: 0018:ffff88808655eee0 EFLAGS: 00010246 [ 52.134143] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff110107191ae [ 52.141458] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000282 [ 52.148763] RBP: ffff88808655f068 R08: ffff8880838c8500 R09: 0000000000000001 [ 52.156105] R10: ffffed1015d04732 R11: ffff8880ae823993 R12: 0000000000000001 [ 52.163434] R13: ffff88809ad84900 R14: ffff88808655f040 R15: 0000000000000001 [ 52.170784] FS: 000000000228e880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 52.179064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.184975] CR2: 0000000020000180 CR3: 0000000089101000 CR4: 00000000001406f0 [ 52.192281] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.199564] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.206884] Kernel panic - not syncing: Fatal exception [ 52.213447] Kernel Offset: disabled [ 52.217086] Rebooting in 86400 seconds..