Warning: Permanently added '10.128.10.14' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 48.556350] kauditd_printk_skb: 2 callbacks suppressed [ 48.556365] audit: type=1400 audit(1568163519.628:36): avc: denied { map } for pid=7622 comm="syz-executor185" path="/root/syz-executor185285542" 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 [ 48.573034] IPVS: ftp: loaded support on port[0] = 21 [ 48.617269] FAULT_INJECTION: forcing a failure. [ 48.617269] name failslab, interval 1, probability 0, space 0, times 1 [ 48.628871] CPU: 1 PID: 7624 Comm: syz-executor185 Not tainted 4.19.72 #0 [ 48.636567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.646041] Call Trace: [ 48.648625] dump_stack+0x172/0x1f0 [ 48.652255] should_fail.cold+0xa/0x1b [ 48.656145] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 48.661250] ? lock_downgrade+0x810/0x810 [ 48.665409] __should_failslab+0x121/0x190 [ 48.669631] should_failslab+0x9/0x14 [ 48.673428] kmem_cache_alloc_trace+0x2cc/0x760 [ 48.678085] ? __x64_sys_sendmsg+0x78/0xb0 [ 48.682309] ? do_syscall_64+0xfd/0x620 [ 48.686275] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.691632] tcf_block_get_ext+0x55a/0x1790 [ 48.695969] ? tcf_net_init+0x350/0x350 [ 48.699935] ? __kmalloc_node+0x3d/0x80 [ 48.703899] ? rcu_read_lock_sched_held+0x110/0x130 [ 48.708903] tcf_block_get+0xb9/0x100 [ 48.712692] ? tcf_block_get_ext+0x1790/0x1790 [ 48.717260] ? blackhole_dequeue+0x10/0x10 [ 48.721483] ? dsmark_dump.cold+0x40/0x40 [ 48.725620] ? kasan_check_write+0x14/0x20 [ 48.729843] sfb_init+0x36/0xa7 [ 48.733111] ? sfb_change+0xc00/0xc00 [ 48.736897] qdisc_create+0x58e/0x1230 [ 48.740893] ? tc_get_qdisc+0xbb0/0xbb0 [ 48.744943] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 48.749948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.755488] tc_modify_qdisc+0x51b/0x1bdc [ 48.759626] ? qdisc_create+0x1230/0x1230 [ 48.763761] ? find_held_lock+0x35/0x130 [ 48.767821] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 48.773349] ? qdisc_create+0x1230/0x1230 [ 48.777485] rtnetlink_rcv_msg+0x463/0xb00 [ 48.781714] ? rtnetlink_put_metrics+0x560/0x560 [ 48.786476] ? netlink_deliver_tap+0x22d/0xc20 [ 48.791053] ? find_held_lock+0x35/0x130 [ 48.795102] netlink_rcv_skb+0x17d/0x460 [ 48.799152] ? rtnetlink_put_metrics+0x560/0x560 [ 48.803913] ? netlink_ack+0xb30/0xb30 [ 48.807790] ? kasan_check_read+0x11/0x20 [ 48.811926] ? netlink_deliver_tap+0x254/0xc20 [ 48.816499] rtnetlink_rcv+0x1d/0x30 [ 48.820219] netlink_unicast+0x537/0x720 [ 48.824302] ? netlink_attachskb+0x770/0x770 [ 48.828706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.834238] netlink_sendmsg+0x8ae/0xd70 [ 48.838307] ? netlink_unicast+0x720/0x720 [ 48.842534] ? selinux_socket_sendmsg+0x36/0x40 [ 48.847208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.852855] ? security_socket_sendmsg+0x8d/0xc0 [ 48.857603] ? netlink_unicast+0x720/0x720 [ 48.861928] sock_sendmsg+0xd7/0x130 [ 48.865635] ___sys_sendmsg+0x803/0x920 [ 48.869619] ? copy_msghdr_from_user+0x430/0x430 [ 48.874369] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 48.879904] ? proc_cwd_link+0x1d0/0x1d0 [ 48.883956] ? __vfs_write+0x11c/0x810 [ 48.887828] ? vfs_write+0x2f0/0x560 [ 48.891530] ? find_held_lock+0x35/0x130 [ 48.895579] ? vfs_write+0x2f0/0x560 [ 48.899817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.905351] ? __fget_light+0x1a9/0x230 [ 48.909314] ? __fdget+0x1b/0x20 [ 48.912679] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 48.918205] __sys_sendmsg+0x105/0x1d0 [ 48.922427] ? __ia32_sys_shutdown+0x80/0x80 [ 48.926829] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 48.931618] ? do_syscall_64+0x26/0x620 [ 48.935580] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.940934] ? do_syscall_64+0x26/0x620 [ 48.944899] __x64_sys_sendmsg+0x78/0xb0 [ 48.948948] do_syscall_64+0xfd/0x620 [ 48.952739] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.957927] RIP: 0033:0x4416d9 [ 48.961104] Code: e8 9c ae 02 00 48 83 c4 18 c3 0f 1f 80 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 0f 83 3b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.981826] RSP: 002b:00007ffdfc0c6c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 48.989525] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004416d9 [ 48.996981] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 49.004245] RBP: 00007ffdfc0c6ca0 R08: 0000000000000001 R09: 0000000120080522 [ 49.011514] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 49.018802] R13: 0000000000000008 R14: 0000000000000000 R15: 0000000000000000 [ 49.027148] kasan: CONFIG_KASAN_INLINE enabled [ 49.031895] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 49.039859] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 49.046107] CPU: 0 PID: 7624 Comm: syz-executor185 Not tainted 4.19.72 #0 [ 49.053199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.062560] RIP: 0010:qdisc_destroy+0x2f/0x690 [ 49.067136] Code: 57 41 56 41 55 41 54 49 89 fc 53 48 83 ec 28 e8 27 6d ed fb 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e d5 04 00 00 41 8b 5c 24 10 31 [ 49.086028] RSP: 0018:ffff8880955f7448 EFLAGS: 00010202 [ 49.091377] RAX: dffffc0000000000 RBX: ffff88807ff3e900 RCX: ffffffff857ef0ba [ 49.098632] RDX: 0000000000000002 RSI: ffffffff857de969 RDI: 0000000000000010 [ 49.105974] RBP: ffff8880955f7498 R08: ffff8880964a2280 R09: ffff8880964a2b20 [ 49.113240] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 49.120761] R13: ffff88807ff3e900 R14: ffff88808a83e400 R15: ffff88807ff3e93c [ 49.128031] FS: 000000000127c880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 49.136256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.142135] CR2: 00007ffdfc0c6c70 CR3: 00000000a0949000 CR4: 00000000001406f0 [ 49.149398] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.156664] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.163931] Call Trace: [ 49.166523] sfb_destroy+0x61/0x80 [ 49.170058] ? sfb_zero_all_buckets+0x20/0x20 [ 49.174577] qdisc_create+0xaa6/0x1230 [ 49.179322] ? tc_get_qdisc+0xbb0/0xbb0 [ 49.183292] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 49.188292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.193816] tc_modify_qdisc+0x51b/0x1bdc [ 49.197954] ? qdisc_create+0x1230/0x1230 [ 49.202085] ? find_held_lock+0x35/0x130 [ 49.206136] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.211659] ? qdisc_create+0x1230/0x1230 [ 49.215807] rtnetlink_rcv_msg+0x463/0xb00 [ 49.220047] ? rtnetlink_put_metrics+0x560/0x560 [ 49.224808] ? netlink_deliver_tap+0x22d/0xc20 [ 49.229390] ? find_held_lock+0x35/0x130 [ 49.233452] netlink_rcv_skb+0x17d/0x460 [ 49.237600] ? rtnetlink_put_metrics+0x560/0x560 [ 49.242513] ? netlink_ack+0xb30/0xb30 [ 49.247103] ? kasan_check_read+0x11/0x20 [ 49.251315] ? netlink_deliver_tap+0x254/0xc20 [ 49.255953] rtnetlink_rcv+0x1d/0x30 [ 49.259726] netlink_unicast+0x537/0x720 [ 49.264298] ? netlink_attachskb+0x770/0x770 [ 49.268718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.274291] netlink_sendmsg+0x8ae/0xd70 [ 49.278349] ? netlink_unicast+0x720/0x720 [ 49.282570] ? selinux_socket_sendmsg+0x36/0x40 [ 49.287237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.292846] ? security_socket_sendmsg+0x8d/0xc0 [ 49.297595] ? netlink_unicast+0x720/0x720 [ 49.301814] sock_sendmsg+0xd7/0x130 [ 49.305510] ___sys_sendmsg+0x803/0x920 [ 49.309469] ? copy_msghdr_from_user+0x430/0x430 [ 49.314208] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 49.319735] ? proc_cwd_link+0x1d0/0x1d0 [ 49.323795] ? __vfs_write+0x11c/0x810 [ 49.327667] ? vfs_write+0x2f0/0x560 [ 49.331367] ? find_held_lock+0x35/0x130 [ 49.335445] ? vfs_write+0x2f0/0x560 [ 49.339164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.344694] ? __fget_light+0x1a9/0x230 [ 49.348662] ? __fdget+0x1b/0x20 [ 49.352013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.357535] __sys_sendmsg+0x105/0x1d0 [ 49.361404] ? __ia32_sys_shutdown+0x80/0x80 [ 49.365811] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.370553] ? do_syscall_64+0x26/0x620 [ 49.374512] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.379945] ? do_syscall_64+0x26/0x620 [ 49.383907] __x64_sys_sendmsg+0x78/0xb0 [ 49.387955] do_syscall_64+0xfd/0x620 [ 49.391753] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.396939] RIP: 0033:0x4416d9 [ 49.400138] Code: e8 9c ae 02 00 48 83 c4 18 c3 0f 1f 80 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 0f 83 3b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.419048] RSP: 002b:00007ffdfc0c6c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 49.426932] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004416d9 [ 49.434199] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 49.441477] RBP: 00007ffdfc0c6ca0 R08: 0000000000000001 R09: 0000000120080522 [ 49.448735] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 49.455990] R13: 0000000000000008 R14: 0000000000000000 R15: 0000000000000000 [ 49.463595] Modules linked in: [ 49.466903] ---[ end trace 82073fda8f6c8478 ]--- [ 49.471688] RIP: 0010:qdisc_destroy+0x2f/0x690 [ 49.476320] Code: 57 41 56 41 55 41 54 49 89 fc 53 48 83 ec 28 e8 27 6d ed fb 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e d5 04 00 00 41 8b 5c 24 10 31 [ 49.495263] RSP: 0018:ffff8880955f7448 EFLAGS: 00010202 [ 49.500637] RAX: dffffc0000000000 RBX: ffff88807ff3e900 RCX: ffffffff857ef0ba [ 49.508059] RDX: 0000000000000002 RSI: ffffffff857de969 RDI: 0000000000000010 [ 49.515461] RBP: ffff8880955f7498 R08: ffff8880964a2280 R09: ffff8880964a2b20 [ 49.522961] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 49.530252] R13: ffff88807ff3e900 R14: ffff88808a83e400 R15: ffff88807ff3e93c [ 49.537551] FS: 000000000127c880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 49.545814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.551691] CR2: 00007ffdfc0c6c70 CR3: 00000000a0949000 CR4: 00000000001406f0 [ 49.559000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.566414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.573693] Kernel panic - not syncing: Fatal exception [ 49.580752] Kernel Offset: disabled [ 49.584386] Rebooting in 86400 seconds..