2019/09/09 17:05:02 executed programs: 64 2019/09/09 17:05:08 executed programs: 76 2019/09/09 17:05:14 executed programs: 94 2019/09/09 17:05:20 executed programs: 110 BUG: memory leak unreferenced object 0xffff888121e53900 (size 96): comm "syz-executor.6", pid 7531, jiffies 4294960768 (age 13.960s) 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: [<00000000a62c0fdb>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000a62c0fdb>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000a62c0fdb>] slab_alloc mm/slab.c:3319 [inline] [<00000000a62c0fdb>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<00000000f1eb4d8c>] kmalloc include/linux/slab.h:552 [inline] [<00000000f1eb4d8c>] kzalloc include/linux/slab.h:748 [inline] [<00000000f1eb4d8c>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158 [<000000004c8c31dc>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1882 [<00000000a0b48403>] sctp_sendmsg+0x2a8/0x990 net/sctp/socket.c:2102 [<000000007ebae5c0>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807 [<000000006c23e349>] sock_sendmsg_nosec net/socket.c:637 [inline] [<000000006c23e349>] sock_sendmsg+0x54/0x70 net/socket.c:657 [<00000000beed98af>] sock_write_iter+0xb6/0x130 net/socket.c:989 [<0000000097e0b86f>] call_write_iter include/linux/fs.h:1870 [inline] [<0000000097e0b86f>] new_sync_write+0x1ad/0x260 fs/read_write.c:483 [<00000000f3423358>] __vfs_write+0x87/0xa0 fs/read_write.c:496 [<0000000092e09631>] vfs_write fs/read_write.c:558 [inline] [<0000000092e09631>] vfs_write+0xee/0x210 fs/read_write.c:542 [<0000000050f472a1>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<0000000064a628c4>] __do_sys_write fs/read_write.c:623 [inline] [<0000000064a628c4>] __se_sys_write fs/read_write.c:620 [inline] [<0000000064a628c4>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<0000000083280fc9>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<00000000f1c53d95>] entry_SYSCALL_64_after_hwframe+0x44/0xa9