2019/09/11 08:47:32 executed programs: 38 2019/09/11 08:47:39 executed programs: 52 BUG: memory leak unreferenced object 0xffff888115b92180 (size 96): comm "syz-executor.4", pid 7157, jiffies 4295043053 (age 15.010s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000000268df9d>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000000268df9d>] slab_post_alloc_hook mm/slab.h:522 [inline] [<000000000268df9d>] slab_alloc mm/slab.c:3319 [inline] [<000000000268df9d>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<0000000061b834fe>] kmalloc include/linux/slab.h:552 [inline] [<0000000061b834fe>] kzalloc include/linux/slab.h:748 [inline] [<0000000061b834fe>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158 [<000000009c5b8cff>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1882 [<00000000c6f4f789>] sctp_sendmsg+0x2a8/0x990 net/sctp/socket.c:2102 [<000000000b7a0057>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807 [<00000000745b5c4d>] sock_sendmsg_nosec net/socket.c:637 [inline] [<00000000745b5c4d>] sock_sendmsg+0x54/0x70 net/socket.c:657 [<00000000c66dbac7>] sock_write_iter+0xb6/0x130 net/socket.c:989 [<000000006e9ca59d>] call_write_iter include/linux/fs.h:1870 [inline] [<000000006e9ca59d>] new_sync_write+0x1ad/0x260 fs/read_write.c:483 [<000000009df4334d>] __vfs_write+0x87/0xa0 fs/read_write.c:496 [<00000000d9e0a126>] vfs_write fs/read_write.c:558 [inline] [<00000000d9e0a126>] vfs_write+0xee/0x210 fs/read_write.c:542 [<00000000d0182b28>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<00000000bd3b66f8>] __do_sys_write fs/read_write.c:623 [inline] [<00000000bd3b66f8>] __se_sys_write fs/read_write.c:620 [inline] [<00000000bd3b66f8>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<00000000223deb53>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<000000008bfa1305>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811c22f180 (size 96): comm "syz-executor.6", pid 7183, jiffies 4295043694 (age 8.600s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000000268df9d>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000000268df9d>] slab_post_alloc_hook mm/slab.h:522 [inline] [<000000000268df9d>] slab_alloc mm/slab.c:3319 [inline] [<000000000268df9d>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<0000000061b834fe>] kmalloc include/linux/slab.h:552 [inline] [<0000000061b834fe>] kzalloc include/linux/slab.h:748 [inline] [<0000000061b834fe>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158 [<000000009c5b8cff>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1882 [<00000000c6f4f789>] sctp_sendmsg+0x2a8/0x990 net/sctp/socket.c:2102 [<000000000b7a0057>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807 [<00000000745b5c4d>] sock_sendmsg_nosec net/socket.c:637 [inline] [<00000000745b5c4d>] sock_sendmsg+0x54/0x70 net/socket.c:657 [<00000000c66dbac7>] sock_write_iter+0xb6/0x130 net/socket.c:989 [<000000006e9ca59d>] call_write_iter include/linux/fs.h:1870 [inline] [<000000006e9ca59d>] new_sync_write+0x1ad/0x260 fs/read_write.c:483 [<000000009df4334d>] __vfs_write+0x87/0xa0 fs/read_write.c:496 [<00000000d9e0a126>] vfs_write fs/read_write.c:558 [inline] [<00000000d9e0a126>] vfs_write+0xee/0x210 fs/read_write.c:542 [<00000000d0182b28>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<00000000bd3b66f8>] __do_sys_write fs/read_write.c:623 [inline] [<00000000bd3b66f8>] __se_sys_write fs/read_write.c:620 [inline] [<00000000bd3b66f8>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<00000000223deb53>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<000000008bfa1305>] entry_SYSCALL_64_after_hwframe+0x44/0xa9