executing program BUG: memory leak unreferenced object 0xffff888125276600 (size 96): comm "syz-executor290", pid 6919, jiffies 4294944259 (age 12.260s) 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: [<000000006187506c>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000006187506c>] slab_post_alloc_hook mm/slab.h:522 [inline] [<000000006187506c>] slab_alloc mm/slab.c:3319 [inline] [<000000006187506c>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<00000000b924465c>] kmalloc include/linux/slab.h:552 [inline] [<00000000b924465c>] kzalloc include/linux/slab.h:748 [inline] [<00000000b924465c>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158 [<000000008da38019>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1883 [<00000000b50149a4>] sctp_sendmsg+0x2a8/0x990 net/sctp/socket.c:2103 [<000000007ff17b59>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807 [<000000005b0b2e93>] sock_sendmsg_nosec net/socket.c:637 [inline] [<000000005b0b2e93>] sock_sendmsg+0x54/0x70 net/socket.c:657 [<000000009a6a6ea1>] sock_write_iter+0xb6/0x130 net/socket.c:989 [<00000000d2be54f8>] call_write_iter include/linux/fs.h:1870 [inline] [<00000000d2be54f8>] new_sync_write+0x1ad/0x260 fs/read_write.c:483 [<00000000820f56e5>] __vfs_write+0x87/0xa0 fs/read_write.c:496 [<0000000049af5a98>] vfs_write fs/read_write.c:558 [inline] [<0000000049af5a98>] vfs_write+0xee/0x210 fs/read_write.c:542 [<00000000bb21b8d7>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<00000000bd4835c5>] __do_sys_write fs/read_write.c:623 [inline] [<00000000bd4835c5>] __se_sys_write fs/read_write.c:620 [inline] [<00000000bd4835c5>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<00000000220734d9>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290 [<000000007cfe4389>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888124f9e180 (size 96): comm "syz-executor290", pid 6925, jiffies 4294944772 (age 7.130s) 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: [<000000006187506c>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000006187506c>] slab_post_alloc_hook mm/slab.h:522 [inline] [<000000006187506c>] slab_alloc mm/slab.c:3319 [inline] [<000000006187506c>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<00000000b924465c>] kmalloc include/linux/slab.h:552 [inline] [<00000000b924465c>] kzalloc include/linux/slab.h:748 [inline] [<00000000b924465c>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158 [<000000008da38019>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1883 [<00000000b50149a4>] sctp_sendmsg+0x2a8/0x990 net/sctp/socket.c:2103 [<000000007ff17b59>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807 [<000000005b0b2e93>] sock_sendmsg_nosec net/socket.c:637 [inline] [<000000005b0b2e93>] sock_sendmsg+0x54/0x70 net/socket.c:657 [<000000009a6a6ea1>] sock_write_iter+0xb6/0x130 net/socket.c:989 [<00000000d2be54f8>] call_write_iter include/linux/fs.h:1870 [inline] [<00000000d2be54f8>] new_sync_write+0x1ad/0x260 fs/read_write.c:483 [<00000000820f56e5>] __vfs_write+0x87/0xa0 fs/read_write.c:496 [<0000000049af5a98>] vfs_write fs/read_write.c:558 [inline] [<0000000049af5a98>] vfs_write+0xee/0x210 fs/read_write.c:542 [<00000000bb21b8d7>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<00000000bd4835c5>] __do_sys_write fs/read_write.c:623 [inline] [<00000000bd4835c5>] __se_sys_write fs/read_write.c:620 [inline] [<00000000bd4835c5>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<00000000220734d9>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290 [<000000007cfe4389>] entry_SYSCALL_64_after_hwframe+0x44/0xa9