2019/07/02 10:08:33 executed programs: 16 BUG: memory leak unreferenced object 0xffff8881048c7e00 (size 96): comm "syz-executor.1", pid 7173, jiffies 4294944414 (age 9.390s) hex dump (first 32 bytes): 02 00 00 00 00 00 00 00 d0 cd bb 82 ff ff ff ff ................ 00 00 00 00 00 00 00 00 80 b9 bb 82 ff ff ff ff ................ backtrace: [<000000001b85b61e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000001b85b61e>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000001b85b61e>] slab_alloc_node mm/slab.c:3269 [inline] [<000000001b85b61e>] kmem_cache_alloc_node_trace+0x15b/0x2a0 mm/slab.c:3597 [<00000000987d3cf1>] __do_kmalloc_node mm/slab.c:3619 [inline] [<00000000987d3cf1>] __kmalloc_node+0x38/0x50 mm/slab.c:3627 [<00000000bf6cc635>] kmalloc_node include/linux/slab.h:590 [inline] [<00000000bf6cc635>] kvmalloc_node+0x4a/0xd0 mm/util.c:431 [<00000000f8923af1>] kvmalloc include/linux/mm.h:648 [inline] [<00000000f8923af1>] kvzalloc include/linux/mm.h:656 [inline] [<00000000f8923af1>] allocate_hook_entries_size+0x3b/0x60 net/netfilter/core.c:61 [<000000002ce366c5>] nf_hook_entries_grow+0xae/0x270 net/netfilter/core.c:128 [<00000000c0ffbc1d>] __nf_register_net_hook+0x9a/0x170 net/netfilter/core.c:337 [<0000000085f231fa>] nf_register_net_hook+0x34/0xc0 net/netfilter/core.c:464 [<000000003d7a8235>] nf_register_net_hooks+0x53/0xc0 net/netfilter/core.c:480 [<000000006425e62b>] __ip_vs_init+0xe8/0x170 net/netfilter/ipvs/ip_vs_core.c:2280 [<00000000b42876bd>] ops_init+0x4c/0x140 net/core/net_namespace.c:130 [<000000008a17d8ae>] setup_net+0xde/0x230 net/core/net_namespace.c:316 [<000000000e2783bb>] copy_net_ns+0xf0/0x1e0 net/core/net_namespace.c:439 [<000000003aada3f5>] create_new_namespaces+0x141/0x2a0 kernel/nsproxy.c:103 [<00000000caf490f8>] unshare_nsproxy_namespaces+0x7f/0x100 kernel/nsproxy.c:202 [<00000000296943d4>] ksys_unshare+0x236/0x490 kernel/fork.c:2674 [<00000000b85e421a>] __do_sys_unshare kernel/fork.c:2742 [inline] [<00000000b85e421a>] __se_sys_unshare kernel/fork.c:2740 [inline] [<00000000b85e421a>] __x64_sys_unshare+0x16/0x20 kernel/fork.c:2740 BUG: memory leak unreferenced object 0xffff8881048c7c80 (size 96): comm "syz-executor.1", pid 7173, jiffies 4294944414 (age 9.390s) hex dump (first 32 bytes): 02 00 00 00 00 00 00 00 60 cd bb 82 ff ff ff ff ........`....... 00 00 00 00 00 00 00 00 10 b9 bb 82 ff ff ff ff ................ backtrace: [<000000001b85b61e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000001b85b61e>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000001b85b61e>] slab_alloc_node mm/slab.c:3269 [inline] [<000000001b85b61e>] kmem_cache_alloc_node_trace+0x15b/0x2a0 mm/slab.c:3597 [<00000000987d3cf1>] __do_kmalloc_node mm/slab.c:3619 [inline] [<00000000987d3cf1>] __kmalloc_node+0x38/0x50 mm/slab.c:3627 [<00000000bf6cc635>] kmalloc_node include/linux/slab.h:590 [inline] [<00000000bf6cc635>] kvmalloc_node+0x4a/0xd0 mm/util.c:431 [<00000000f8923af1>] kvmalloc include/linux/mm.h:648 [inline] [<00000000f8923af1>] kvzalloc include/linux/mm.h:656 [inline] [<00000000f8923af1>] allocate_hook_entries_size+0x3b/0x60 net/netfilter/core.c:61 [<000000002ce366c5>] nf_hook_entries_grow+0xae/0x270 net/netfilter/core.c:128 [<00000000c0ffbc1d>] __nf_register_net_hook+0x9a/0x170 net/netfilter/core.c:337 [<0000000085f231fa>] nf_register_net_hook+0x34/0xc0 net/netfilter/core.c:464 [<000000003d7a8235>] nf_register_net_hooks+0x53/0xc0 net/netfilter/core.c:480 [<000000006425e62b>] __ip_vs_init+0xe8/0x170 net/netfilter/ipvs/ip_vs_core.c:2280 [<00000000b42876bd>] ops_init+0x4c/0x140 net/core/net_namespace.c:130 [<000000008a17d8ae>] setup_net+0xde/0x230 net/core/net_namespace.c:316 [<000000000e2783bb>] copy_net_ns+0xf0/0x1e0 net/core/net_namespace.c:439 [<000000003aada3f5>] create_new_namespaces+0x141/0x2a0 kernel/nsproxy.c:103 [<00000000caf490f8>] unshare_nsproxy_namespaces+0x7f/0x100 kernel/nsproxy.c:202 [<00000000296943d4>] ksys_unshare+0x236/0x490 kernel/fork.c:2674 [<00000000b85e421a>] __do_sys_unshare kernel/fork.c:2742 [inline] [<00000000b85e421a>] __se_sys_unshare kernel/fork.c:2740 [inline] [<00000000b85e421a>] __x64_sys_unshare+0x16/0x20 kernel/fork.c:2740 BUG: memory leak unreferenced object 0xffff88810427d280 (size 96): comm "syz-executor.6", pid 7178, jiffies 4294944436 (age 9.170s) hex dump (first 32 bytes): 02 00 00 00 00 00 00 00 d0 cd bb 82 ff ff ff ff ................ 00 00 00 00 00 00 00 00 80 b9 bb 82 ff ff ff ff ................ backtrace: [<000000001b85b61e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000001b85b61e>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000001b85b61e>] slab_alloc_node mm/slab.c:3269 [inline] [<000000001b85b61e>] kmem_cache_alloc_node_trace+0x15b/0x2a0 mm/slab.c:3597 [<00000000987d3cf1>] __do_kmalloc_node mm/slab.c:3619 [inline] [<00000000987d3cf1>] __kmalloc_node+0x38/0x50 mm/slab.c:3627 [<00000000bf6cc635>] kmalloc_node include/linux/slab.h:590 [inline] [<00000000bf6cc635>] kvmalloc_node+0x4a/0xd0 mm/util.c:431 [<00000000f8923af1>] kvmalloc include/linux/mm.h:648 [inline] [<00000000f8923af1>] kvzalloc include/linux/mm.h:656 [inline] [<00000000f8923af1>] allocate_hook_entries_size+0x3b/0x60 net/netfilter/core.c:61 [<000000002ce366c5>] nf_hook_entries_grow+0xae/0x270 net/netfilter/core.c:128 [<00000000c0ffbc1d>] __nf_register_net_hook+0x9a/0x170 net/netfilter/core.c:337 [<0000000085f231fa>] nf_register_net_hook+0x34/0xc0 net/netfilter/core.c:464 [<000000003d7a8235>] nf_register_net_hooks+0x53/0xc0 net/netfilter/core.c:480 [<000000006425e62b>] __ip_vs_init+0xe8/0x170 net/netfilter/ipvs/ip_vs_core.c:2280 [<00000000b42876bd>] ops_init+0x4c/0x140 net/core/net_namespace.c:130 [<000000008a17d8ae>] setup_net+0xde/0x230 net/core/net_namespace.c:316 [<000000000e2783bb>] copy_net_ns+0xf0/0x1e0 net/core/net_namespace.c:439 [<000000003aada3f5>] create_new_namespaces+0x141/0x2a0 kernel/nsproxy.c:103 [<00000000caf490f8>] unshare_nsproxy_namespaces+0x7f/0x100 kernel/nsproxy.c:202 [<00000000296943d4>] ksys_unshare+0x236/0x490 kernel/fork.c:2674 [<00000000b85e421a>] __do_sys_unshare kernel/fork.c:2742 [inline] [<00000000b85e421a>] __se_sys_unshare kernel/fork.c:2740 [inline] [<00000000b85e421a>] __x64_sys_unshare+0x16/0x20 kernel/fork.c:2740