============================= WARNING: suspicious RCU usage sctp: [Deprecated]: syz-executor1 (pid 6493) Use of int in maxseg socket option. Use struct sctp_assoc_value instead 4.16.0-rc6+ #280 Not tainted ----------------------------- ./include/net/inet_sock.h:136 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor7/6486: #0: (sk_lock-AF_INET6){+.+.}, at: [<0000000073b9c420>] lock_sock include/net/sock.h:1465 [inline] #0: (sk_lock-AF_INET6){+.+.}, at: [<0000000073b9c420>] sock_fasync+0x85/0x1f0 net/socket.c:1173 stack backtrace: CPU: 0 PID: 6486 Comm: syz-executor7 Not tainted 4.16.0-rc6+ #280 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 sctp: [Deprecated]: syz-executor1 (pid 6493) Use of int in maxseg socket option. Use struct sctp_assoc_value instead Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4592 ireq_opt_deref include/net/inet_sock.h:135 [inline] inet_csk_route_req+0x824/0xca0 net/ipv4/inet_connection_sock.c:543 dccp_v4_send_response+0xa7/0x650 net/dccp/ipv4.c:485 dccp_v4_conn_request+0x9ee/0x11b0 net/dccp/ipv4.c:633 dccp_v6_conn_request+0xd30/0x1410 net/dccp/ipv6.c:317 dccp_rcv_state_process+0x574/0x1620 net/dccp/input.c:612 dccp_v4_do_rcv+0xf1/0x160 net/dccp/ipv4.c:682 dccp_v6_do_rcv+0x86a/0xa70 net/dccp/ipv6.c:578 sk_backlog_rcv include/net/sock.h:909 [inline] __release_sock+0x124/0x360 net/core/sock.c:2335 release_sock+0xa4/0x2a0 net/core/sock.c:2850 sock_fasync+0x111/0x1f0 net/socket.c:1182 __fput+0x662/0x7e0 fs/file_table.c:206 ____fput+0x15/0x20 fs/file_table.c:243 task_work_run+0x199/0x270 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x275/0x2f0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:265 [inline] do_syscall_64+0x6ec/0x940 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x454239 RSP: 002b:00007f4150b3fc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 00007f4150b406d4 RCX: 0000000000454239 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 000000000072bf58 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000052 R14: 00000000006f1850 R15: 0000000000000001 ============================= WARNING: suspicious RCU usage 4.16.0-rc6+ #280 Not tainted ----------------------------- ./include/net/inet_sock.h:136 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor7/6486: #0: (sk_lock-AF_INET6){+.+.}, at: [<0000000073b9c420>] lock_sock include/net/sock.h:1465 [inline] #0: (sk_lock-AF_INET6){+.+.}, at: [<0000000073b9c420>] sock_fasync+0x85/0x1f0 net/socket.c:1173 stack backtrace: CPU: 0 PID: 6486 Comm: syz-executor7 Not tainted 4.16.0-rc6+ #280 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4592 ireq_opt_deref include/net/inet_sock.h:135 [inline] dccp_v4_send_response+0x4b6/0x650 net/dccp/ipv4.c:496 dccp_v4_conn_request+0x9ee/0x11b0 net/dccp/ipv4.c:633 dccp_v6_conn_request+0xd30/0x1410 net/dccp/ipv6.c:317 dccp_rcv_state_process+0x574/0x1620 net/dccp/input.c:612 dccp_v4_do_rcv+0xf1/0x160 net/dccp/ipv4.c:682 dccp_v6_do_rcv+0x86a/0xa70 net/dccp/ipv6.c:578 sk_backlog_rcv include/net/sock.h:909 [inline] __release_sock+0x124/0x360 net/core/sock.c:2335 release_sock+0xa4/0x2a0 net/core/sock.c:2850 sock_fasync+0x111/0x1f0 net/socket.c:1182 __fput+0x662/0x7e0 fs/file_table.c:206 ____fput+0x15/0x20 fs/file_table.c:243 task_work_run+0x199/0x270 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x275/0x2f0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:265 [inline] do_syscall_64+0x6ec/0x940 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x454239 RSP: 002b:00007f4150b3fc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 00007f4150b406d4 RCX: 0000000000454239 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 000000000072bf58 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000052 R14: 00000000006f1850 R15: 0000000000000001 syz-executor5: vmalloc: allocation failure: 17045651456 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor5 cpuset=/ mems_allowed=0 CPU: 0 PID: 6549 Comm: syz-executor5 Not tainted 4.16.0-rc6+ #280 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3312 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 kvmalloc_node+0x82/0xd0 mm/util.c:428 kvmalloc include/linux/mm.h:541 [inline] kvmalloc_array include/linux/mm.h:557 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:808 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:703 do_replace net/ipv6/netfilter/ip6_tables.c:1164 [inline] do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1690 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x10b/0x130 net/ipv6/ipv6_sockglue.c:927 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2880 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:3039 SYSC_setsockopt net/socket.c:1850 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1829 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x454239 RSP: 002b:00007ff862e83c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007ff862e846d4 RCX: 0000000000454239 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000015 RBP: 000000000072bea0 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020001fde R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000523 R14: 00000000006f8be8 R15: 0000000000000000 Mem-Info: active_anon:52359 inactive_anon:63 isolated_anon:0 active_file:3425 inactive_file:8679 isolated_file:0 unevictable:0 dirty:6655 writeback:0 unstable:0 slab_reclaimable:7350 slab_unreclaimable:92546 mapped:24292 shmem:70 pagetables:662 bounce:0 free:1436866 free_pcp:381 free_cma:0 Node 0 active_anon:213672kB inactive_anon:252kB active_file:13700kB inactive_file:34716kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:97168kB dirty:26620kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 77824kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2864 6373 6373 Node 0 DMA32 free:2934556kB min:30292kB low:37864kB high:45436kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2935304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:748kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3509 3509 Node 0 Normal free:2785664kB min:37120kB low:46400kB high:55680kB active_anon:219832kB inactive_anon:252kB active_file:13708kB inactive_file:34804kB unevictable:0kB writepending:26716kB present:4718592kB managed:3593744kB mlocked:0kB kernel_stack:5184kB pagetables:2736kB bounce:0kB free_pcp:632kB local_pcp:360kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 3*4kB (M) 4*8kB (M) 1*16kB (M) 3*32kB (M) 2*64kB (M) 2*128kB (M) 1*256kB (M) 2*512kB (M) 2*1024kB (M) 1*2048kB (M) 715*4096kB (M) = 2934556kB Node 0 Normal: 1*4kB (U) 68*8kB (UME) 2148*16kB (UME) 433*32kB (UME) 77*64kB (UME) 41*128kB (UME) 32*256kB (UME) 12*512kB (UME) 4*1024kB (UM) 3*2048kB (UME) 661*4096kB (M) = 2790980kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12197 total pagecache pages 0 pages in swap cache syz-executor5: vmalloc: allocation failure: 17045651456 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965969 pages RAM 0 pages HighMem/MovableOnly 329730 pages reserved syz-executor5 cpuset=/ mems_allowed=0 CPU: 1 PID: 6584 Comm: syz-executor5 Not tainted 4.16.0-rc6+ #280 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 syz-executor6: vmalloc: allocation failure: 17045651456 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3312 syz-executor6 cpuset= __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 / mems_allowed=0 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 kvmalloc_node+0x82/0xd0 mm/util.c:428 kvmalloc include/linux/mm.h:541 [inline] kvmalloc_array include/linux/mm.h:557 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:808 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:703 do_replace net/ipv6/netfilter/ip6_tables.c:1164 [inline] do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1690 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x10b/0x130 net/ipv6/ipv6_sockglue.c:927 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2880 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:3039 SYSC_setsockopt net/socket.c:1850 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1829 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x454239 RSP: 002b:00007ff862e62c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007ff862e636d4 RCX: 0000000000454239 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000018 RBP: 000000000072bf58 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020001fde R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000523 R14: 00000000006f8be8 R15: 0000000000000001 CPU: 0 PID: 6595 Comm: syz-executor6 Not tainted 4.16.0-rc6+ #280 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3312 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 kvmalloc_node+0x82/0xd0 mm/util.c:428 kvmalloc include/linux/mm.h:541 [inline] kvmalloc_array include/linux/mm.h:557 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:808 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:703 do_replace net/ipv6/netfilter/ip6_tables.c:1164 [inline] do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1690 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x10b/0x130 net/ipv6/ipv6_sockglue.c:927 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2880 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:3039 SYSC_setsockopt net/socket.c:1850 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1829 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x454239 RSP: 002b:00007f8b467b6c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f8b467b76d4 RCX: 0000000000454239 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000015 RBP: 000000000072bea0 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020001fde R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000523 R14: 00000000006f8be8 R15: 0000000000000000 syz-executor6: vmalloc: allocation failure: 17045651456 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor6 cpuset=/ mems_allowed=0 CPU: 0 PID: 6604 Comm: syz-executor6 Not tainted 4.16.0-rc6+ #280 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3312 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 kvmalloc_node+0x82/0xd0 mm/util.c:428 kvmalloc include/linux/mm.h:541 [inline] kvmalloc_array include/linux/mm.h:557 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:808 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:703 do_replace net/ipv6/netfilter/ip6_tables.c:1164 [inline] do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1690 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x10b/0x130 net/ipv6/ipv6_sockglue.c:927 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2880 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:3039 SYSC_setsockopt net/socket.c:1850 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1829 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x454239 RSP: 002b:00007f8b46795c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f8b467966d4 RCX: 0000000000454239 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000015 RBP: 000000000072bf58 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020001fde R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000523 R14: 00000000006f8be8 R15: 0000000000000001 warn_alloc_show_mem: 2 callbacks suppressed Mem-Info: active_anon:51255 inactive_anon:63 isolated_anon:0 active_file:3427 inactive_file:8701 isolated_file:0 unevictable:0 dirty:6679 writeback:0 unstable:0 slab_reclaimable:7382 slab_unreclaimable:92517 mapped:24298 shmem:70 pagetables:647 bounce:0 free:1438004 free_pcp:535 free_cma:0 Node 0 active_anon:205020kB inactive_anon:252kB active_file:13708kB inactive_file:34804kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:97192kB dirty:26716kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 96256kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2864 6373 6373 Node 0 DMA32 free:2934556kB min:30292kB low:37864kB high:45436kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2935304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:748kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3509 3509 Node 0 Normal free:2801968kB min:37120kB low:46400kB high:55680kB active_anon:205024kB inactive_anon:252kB active_file:13712kB inactive_file:34824kB unevictable:0kB writepending:26756kB present:4718592kB managed:3593744kB mlocked:0kB kernel_stack:4320kB pagetables:2536kB bounce:0kB free_pcp:1408kB local_pcp:720kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 3*4kB (M) 4*8kB (M) 1*16kB (M) 3*32kB (M) 2*64kB (M) 2*128kB (M) 1*256kB (M) 2*512kB (M) 2*1024kB (M) 1*2048kB (M) 715*4096kB (M) = 2934556kB Node 0 Normal: 74*4kB (UME) 140*8kB (UME) 2194*16kB (UME) 464*32kB (UME) 75*64kB (UME) 42*128kB (UME) 27*256kB (UME) 13*512kB (UME) 5*1024kB (UM) 3*2048kB (UME) 663*4096kB (M) = 2802024kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12207 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965969 pages RAM 0 pages HighMem/MovableOnly 329730 pages reserved kauditd_printk_skb: 19 callbacks suppressed audit: type=1400 audit(1521902868.317:42): avc: denied { read } for pid=6615 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 audit: type=1400 audit(1521902868.484:43): avc: denied { write } for pid=6667 comm="syz-executor4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:unlabeled_t:s0 tclass=socket permissive=1 audit: type=1400 audit(1521902868.497:44): avc: denied { getopt } for pid=6667 comm="syz-executor4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:unlabeled_t:s0 tclass=socket permissive=1 nla_parse: 3 callbacks suppressed netlink: 3712 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 3712 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor6'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=215 sclass=netlink_route_socket pig=6843 comm=syz-executor2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=215 sclass=netlink_route_socket pig=6848 comm=syz-executor2 kernel msg: ebtables bug: please report to author: Wrong len argument kernel msg: ebtables bug: please report to author: Wrong len argument audit: type=1400 audit(1521902870.750:45): avc: denied { getattr } for pid=7374 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 sctp: [Deprecated]: syz-executor7 (pid 7429) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor7 (pid 7437) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. audit: type=1400 audit(1521902871.393:46): avc: denied { create } for pid=7586 comm="syz-executor4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_rdma_socket permissive=1 audit: type=1400 audit(1521902871.396:47): avc: denied { ioctl } for pid=7586 comm="syz-executor4" path="socket:[19458]" dev="sockfs" ino=19458 ioctlcmd=0x8933 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_rdma_socket permissive=1 audit: type=1400 audit(1521902871.396:48): avc: denied { write } for pid=7586 comm="syz-executor4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_rdma_socket permissive=1 kernel msg: ebtables bug: please report to author: entries_size too small audit: type=1400 audit(1521902871.955:49): avc: denied { connect } for pid=7754 comm="syz-executor3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 audit: type=1400 audit(1521902872.041:50): avc: denied { connect } for pid=7751 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=30088 sclass=netlink_route_socket pig=7793 comm=syz-executor6 netlink: 3 bytes leftover after parsing attributes in process `syz-executor5'. validate_nla: 2 callbacks suppressed netlink: 'syz-executor5': attribute type 3 has an invalid length. netlink: 3 bytes leftover after parsing attributes in process `syz-executor5'. TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. tc_dump_action: action bad kind IPv4: Oversized IP packet from 127.0.0.1 tc_dump_action: action bad kind bond0: ip6_vti0 is up - this may be due to an out of date ifenslave bond0: ip6_vti0 is up - this may be due to an out of date ifenslave netlink: 'syz-executor3': attribute type 1 has an invalid length. netlink: 'syz-executor3': attribute type 1 has an invalid length. TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. audit: type=1400 audit(1521902873.549:51): avc: denied { create } for pid=8246 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_connector_socket permissive=1 openvswitch: netlink: Message has 4 unknown bytes. audit: type=1400 audit(1521902873.552:52): avc: denied { write } for pid=8246 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_connector_socket permissive=1 x_tables: eb_tables: redirect target: used from hooks OUTPUT, but only usable from PREROUTING/BROUTING openvswitch: netlink: Message has 4 unknown bytes. x_tables: eb_tables: redirect target: used from hooks OUTPUT, but only usable from PREROUTING/BROUTING TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. nla_parse: 4 callbacks suppressed netlink: 4 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor6'. audit: type=1400 audit(1521902874.141:53): avc: denied { setopt } for pid=8401 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 audit: type=1400 audit(1521902874.145:54): avc: denied { getattr } for pid=8401 comm="syz-executor2" path="socket:[20433]" dev="sockfs" ino=20433 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 100 bytes leftover after parsing attributes in process `syz-executor3'. sctp: [Deprecated]: syz-executor3 (pid 8720) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor3 (pid 8720) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor3 (pid 8732) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor3 (pid 8742) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead kernel msg: ebtables bug: please report to author: entries_size too small kernel msg: ebtables bug: please report to author: entries_size too small kernel msg: ebtables bug: please report to author: Valid hook without chain kernel msg: ebtables bug: please report to author: Valid hook without chain