dev_remove_pack: ffff8801d9360780 not found
==================================================================
BUG: KASAN: use-after-free in debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline] at addr ffff8801d936014c
BUG: KASAN: use-after-free in do_raw_spin_lock+0x1ac/0x1e0 kernel/locking/spinlock_debug.c:112 at addr ffff8801d936014c
Read of size 4 by task sshd/3282
CPU: 0 PID: 3282 Comm: sshd Not tainted 4.9.50-gf7d2974 #47
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801ce9fee10 ffffffff81d92fc9 ffff8801da002000 ffff8801d9360000
 ffff8801d9360800 ffffed003b26c029 ffff8801d936014c ffff8801ce9fee38
 ffffffff8153cbcc ffffed003b26c029 ffff8801da002000 0000000000000000
Call Trace:
 [<ffffffff81d92fc9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d92fc9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8153cbcc>] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160
 [<ffffffff8153ce8c>] print_address_description mm/kasan/report.c:198 [inline]
 [<ffffffff8153ce8c>] kasan_report_error mm/kasan/report.c:287 [inline]
 [<ffffffff8153ce8c>] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309
 [<ffffffff8153d1f9>] kasan_report mm/kasan/report.c:329 [inline]
 [<ffffffff8153d1f9>] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329
 [<ffffffff81248c5c>] debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline]
 [<ffffffff81248c5c>] do_raw_spin_lock+0x1ac/0x1e0 kernel/locking/spinlock_debug.c:112
 [<ffffffff838aa2e2>] __raw_spin_lock_bh include/linux/spinlock_api_smp.h:138 [inline]
 [<ffffffff838aa2e2>] _raw_spin_lock_bh+0x42/0x50 kernel/locking/spinlock.c:175
 [<ffffffff83545f15>] spin_lock_bh include/linux/spinlock.h:307 [inline]
 [<ffffffff83545f15>] packet_rcv_has_room+0x25/0xb0 net/packet/af_packet.c:1300
 [<ffffffff8354620f>] fanout_demux_rollover+0x26f/0x4d0 net/packet/af_packet.c:1380
 [<ffffffff8354d18e>] packet_rcv_fanout+0x4ce/0x620 net/packet/af_packet.c:1482
 [<ffffffff82f32f29>] deliver_skb net/core/dev.c:1834 [inline]
 [<ffffffff82f32f29>] dev_queue_xmit_nit+0x1b9/0x870 net/core/dev.c:1890
 [<ffffffff82f42366>] xmit_one net/core/dev.c:2940 [inline]
 [<ffffffff82f42366>] dev_hard_start_xmit+0xa6/0x8a0 net/core/dev.c:2960
 [<ffffffff82fdb74c>] sch_direct_xmit+0x2bc/0x5d0 net/sched/sch_generic.c:182
 [<ffffffff82f4445d>] __dev_xmit_skb net/core/dev.c:3129 [inline]
 [<ffffffff82f4445d>] __dev_queue_xmit+0x15fd/0x1e60 net/core/dev.c:3389
 [<ffffffff82f44cd7>] dev_queue_xmit+0x17/0x20 net/core/dev.c:3454
 [<ffffffff831faec8>] neigh_hh_output include/net/neighbour.h:468 [inline]
 [<ffffffff831faec8>] dst_neigh_output include/net/dst.h:468 [inline]
 [<ffffffff831faec8>] ip_finish_output2+0xbe8/0x1060 net/ipv4/ip_output.c:225
 [<ffffffff831fe3c1>] ip_finish_output+0x6b1/0xa00 net/ipv4/ip_output.c:313
 [<ffffffff83201f0a>] NF_HOOK_COND include/linux/netfilter.h:246 [inline]
 [<ffffffff83201f0a>] ip_output+0x1ca/0x610 net/ipv4/ip_output.c:401
 [<ffffffff831fed55>] dst_output include/net/dst.h:507 [inline]
 [<ffffffff831fed55>] ip_local_out+0x95/0x170 net/ipv4/ip_output.c:124
 [<ffffffff83200114>] ip_queue_xmit+0x884/0x1760 net/ipv4/ip_output.c:500
 [<ffffffff832674a2>] tcp_transmit_skb+0x1782/0x2d80 net/ipv4/tcp_output.c:1036
 [<ffffffff83269676>] tcp_write_xmit+0xbd6/0x4a00 net/ipv4/tcp_output.c:2178
 [<ffffffff8326d540>] __tcp_push_pending_frames+0xa0/0x240 net/ipv4/tcp_output.c:2359
 [<ffffffff8321de8c>] tcp_push+0x3fc/0x5d0 net/ipv4/tcp.c:682
 [<ffffffff8322ed29>] tcp_sendmsg+0xb89/0x2e30 net/ipv4/tcp.c:1324
 [<ffffffff832e9cdc>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:753
 [<ffffffff82ecfb9a>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ecfb9a>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ecfe06>] sock_write_iter+0x226/0x3b0 net/socket.c:843
 [<ffffffff8156aeff>] new_sync_write fs/read_write.c:499 [inline]
 [<ffffffff8156aeff>] __vfs_write+0x4bf/0x680 fs/read_write.c:512
 [<ffffffff8156ec70>] vfs_write+0x170/0x4e0 fs/read_write.c:560
 [<ffffffff81572669>] SYSC_write fs/read_write.c:607 [inline]
 [<ffffffff81572669>] SyS_write+0xd9/0x1b0 fs/read_write.c:599
 [<ffffffff838aad85>] entry_SYSCALL_64_fastpath+0x23/0xc6
Object at ffff8801d9360000, in cache kmalloc-2048 size: 2048
Allocated:
PID = 4026
 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57
 save_stack+0x43/0xd0 mm/kasan/kasan.c:495
 set_track mm/kasan/kasan.c:507 [inline]
 kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598
 __kmalloc+0x11d/0x310 mm/slub.c:3741
 kmalloc include/linux/slab.h:495 [inline]
 sk_prot_alloc+0x101/0x2a0 net/core/sock.c:1338
 sk_alloc+0x3a/0x3a0 net/core/sock.c:1394
 packet_create+0xf0/0x8e0 net/packet/af_packet.c:3205
 __sock_create+0x3ab/0x640 net/socket.c:1182
 sock_create net/socket.c:1222 [inline]
 SYSC_socket net/socket.c:1252 [inline]
 SyS_socket+0xf0/0x1b0 net/socket.c:1232
 entry_SYSCALL_64_fastpath+0x23/0xc6
Freed:
PID = 4024
 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57
 save_stack+0x43/0xd0 mm/kasan/kasan.c:495
 set_track mm/kasan/kasan.c:507 [inline]
 kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571
 slab_free_hook mm/slub.c:1355 [inline]
 slab_free_freelist_hook mm/slub.c:1377 [inline]
 slab_free mm/slub.c:2958 [inline]
 kfree+0xf0/0x2f0 mm/slub.c:3878
 sk_prot_free net/core/sock.c:1377 [inline]
 __sk_destruct+0x47f/0x570 net/core/sock.c:1455
 sk_destruct+0x47/0x80 net/core/sock.c:1463
 __sk_free+0x57/0x230 net/core/sock.c:1471
 sk_free+0x23/0x30 net/core/sock.c:1482
 sock_put include/net/sock.h:1592 [inline]
 packet_release+0x732/0xa20 net/packet/af_packet.c:3041
 sock_release+0x8d/0x1e0 net/socket.c:599
 sock_close+0x16/0x20 net/socket.c:1046
 __fput+0x28c/0x6e0 fs/file_table.c:208
 ____fput+0x15/0x20 fs/file_table.c:244
 task_work_run+0x115/0x190 kernel/task_work.c:116
 exit_task_work include/linux/task_work.h:21 [inline]
 do_exit+0x82e/0x2a50 kernel/exit.c:833
 do_group_exit+0x108/0x320 kernel/exit.c:937
 get_signal+0x55c/0x1600 kernel/signal.c:2315
 do_signal+0x87/0x1960 arch/x86/kernel/signal.c:807
 exit_to_usermode_loop+0xe5/0x130 arch/x86/entry/common.c:156
 prepare_exit_to_usermode arch/x86/entry/common.c:190 [inline]
 syscall_return_slowpath+0x1a0/0x1e0 arch/x86/entry/common.c:259
 entry_SYSCALL_64_fastpath+0xc4/0xc6
Memory state around the buggy address:
 ffff8801d9360000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8801d9360080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8801d9360100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                              ^
 ffff8801d9360180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8801d9360200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
==================================================================
BUG: KASAN: use-after-free in debug_spin_lock_before kernel/locking/spinlock_debug.c:84 [inline] at addr ffff8801d9360158
BUG: KASAN: use-after-free in do_raw_spin_lock+0x1d3/0x1e0 kernel/locking/spinlock_debug.c:112 at addr ffff8801d9360158
Read of size 8 by task sshd/3282
CPU: 0 PID: 3282 Comm: sshd Tainted: G    B           4.9.50-gf7d2974 #47
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801ce9fee10 ffffffff81d92fc9 ffff8801da002000 ffff8801d9360000
 ffff8801d9360800 ffffed003b26c02b ffff8801d9360158 ffff8801ce9fee38
 ffffffff8153cbcc ffffed003b26c02b ffff8801da002000 0000000000000000
Call Trace:
 [<ffffffff81d92fc9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d92fc9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8153cbcc>] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160
 [<ffffffff8153ce8c>] print_address_description mm/kasan/report.c:198 [inline]
 [<ffffffff8153ce8c>] kasan_report_error mm/kasan/report.c:287 [inline]
 [<ffffffff8153ce8c>] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309
 [<ffffffff8153d229>] kasan_report mm/kasan/report.c:330 [inline]
 [<ffffffff8153d229>] __asan_report_load8_noabort+0x29/0x30 mm/kasan/report.c:330
 [<ffffffff81248c83>] debug_spin_lock_before kernel/locking/spinlock_debug.c:84 [inline]
 [<ffffffff81248c83>] do_raw_spin_lock+0x1d3/0x1e0 kernel/locking/spinlock_debug.c:112
 [<ffffffff838aa2e2>] __raw_spin_lock_bh include/linux/spinlock_api_smp.h:138 [inline]
 [<ffffffff838aa2e2>] _raw_spin_lock_bh+0x42/0x50 kernel/locking/spinlock.c:175
 [<ffffffff83545f15>] spin_lock_bh include/linux/spinlock.h:307 [inline]
 [<ffffffff83545f15>] packet_rcv_has_room+0x25/0xb0 net/packet/af_packet.c:1300
 [<ffffffff8354620f>] fanout_demux_rollover+0x26f/0x4d0 net/packet/af_packet.c:1380
 [<ffffffff8354d18e>] packet_rcv_fanout+0x4ce/0x620 net/packet/af_packet.c:1482
 [<ffffffff82f32f29>] deliver_skb net/core/dev.c:1834 [inline]
 [<ffffffff82f32f29>] dev_queue_xmit_nit+0x1b9/0x870 net/core/dev.c:1890
 [<ffffffff82f42366>] xmit_one net/core/dev.c:2940 [inline]
 [<ffffffff82f42366>] dev_hard_start_xmit+0xa6/0x8a0 net/core/dev.c:2960
 [<ffffffff82fdb74c>] sch_direct_xmit+0x2bc/0x5d0 net/sched/sch_generic.c:182
 [<ffffffff82f4445d>] __dev_xmit_skb net/core/dev.c:3129 [inline]
 [<ffffffff82f4445d>] __dev_queue_xmit+0x15fd/0x1e60 net/core/dev.c:3389
 [<ffffffff82f44cd7>] dev_queue_xmit+0x17/0x20 net/core/dev.c:3454
 [<ffffffff831faec8>] neigh_hh_output include/net/neighbour.h:468 [inline]
 [<ffffffff831faec8>] dst_neigh_output include/net/dst.h:468 [inline]
 [<ffffffff831faec8>] ip_finish_output2+0xbe8/0x1060 net/ipv4/ip_output.c:225
 [<ffffffff831fe3c1>] ip_finish_output+0x6b1/0xa00 net/ipv4/ip_output.c:313
 [<ffffffff83201f0a>] NF_HOOK_COND include/linux/netfilter.h:246 [inline]
 [<ffffffff83201f0a>] ip_output+0x1ca/0x610 net/ipv4/ip_output.c:401
 [<ffffffff831fed55>] dst_output include/net/dst.h:507 [inline]
 [<ffffffff831fed55>] ip_local_out+0x95/0x170 net/ipv4/ip_output.c:124
 [<ffffffff83200114>] ip_queue_xmit+0x884/0x1760 net/ipv4/ip_output.c:500
 [<ffffffff832674a2>] tcp_transmit_skb+0x1782/0x2d80 net/ipv4/tcp_output.c:1036