executing program BUG: memory leak unreferenced object 0xffff888125342c80 (size 96): comm "syz-executor233", pid 7092, jiffies 4294941743 (age 12.350s) 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: [<000000003af9dcf9>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003af9dcf9>] slab_post_alloc_hook mm/slab.h:522 [inline] [<000000003af9dcf9>] slab_alloc mm/slab.c:3319 [inline] [<000000003af9dcf9>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<000000008cd25847>] kmalloc include/linux/slab.h:552 [inline] [<000000008cd25847>] kzalloc include/linux/slab.h:748 [inline] [<000000008cd25847>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158 [<000000002b28c005>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1882 [<0000000090a2a627>] sctp_sendmsg+0x2a8/0x990 net/sctp/socket.c:2102 [<000000007be7dcc2>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807 [<00000000cdfe668f>] sock_sendmsg_nosec net/socket.c:637 [inline] [<00000000cdfe668f>] sock_sendmsg+0x54/0x70 net/socket.c:657 [<0000000055ab6539>] sock_write_iter+0xb6/0x130 net/socket.c:989 [<00000000be68a660>] call_write_iter include/linux/fs.h:1870 [inline] [<00000000be68a660>] new_sync_write+0x1ad/0x260 fs/read_write.c:483 [<000000008fe9e483>] __vfs_write+0x87/0xa0 fs/read_write.c:496 [<00000000a40b0189>] vfs_write fs/read_write.c:558 [inline] [<00000000a40b0189>] vfs_write+0xee/0x210 fs/read_write.c:542 [<00000000abdf604d>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<000000001baf2383>] __do_sys_write fs/read_write.c:623 [inline] [<000000001baf2383>] __se_sys_write fs/read_write.c:620 [inline] [<000000001baf2383>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<00000000af392190>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<000000006f984628>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811050f300 (size 96): comm "syz-executor233", pid 7098, jiffies 4294942260 (age 7.180s) 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: [<000000003af9dcf9>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003af9dcf9>] slab_post_alloc_hook mm/slab.h:522 [inline] [<000000003af9dcf9>] slab_alloc mm/slab.c:3319 [inline] [<000000003af9dcf9>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<000000008cd25847>] kmalloc include/linux/slab.h:552 [inline] [<000000008cd25847>] kzalloc include/linux/slab.h:748 [inline] [<000000008cd25847>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158 [<000000002b28c005>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1882 [<0000000090a2a627>] sctp_sendmsg+0x2a8/0x990 net/sctp/socket.c:2102 [<000000007be7dcc2>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807 [<00000000cdfe668f>] sock_sendmsg_nosec net/socket.c:637 [inline] [<00000000cdfe668f>] sock_sendmsg+0x54/0x70 net/socket.c:657 [<0000000055ab6539>] sock_write_iter+0xb6/0x130 net/socket.c:989 [<00000000be68a660>] call_write_iter include/linux/fs.h:1870 [inline] [<00000000be68a660>] new_sync_write+0x1ad/0x260 fs/read_write.c:483 [<000000008fe9e483>] __vfs_write+0x87/0xa0 fs/read_write.c:496 [<00000000a40b0189>] vfs_write fs/read_write.c:558 [inline] [<00000000a40b0189>] vfs_write+0xee/0x210 fs/read_write.c:542 [<00000000abdf604d>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<000000001baf2383>] __do_sys_write fs/read_write.c:623 [inline] [<000000001baf2383>] __se_sys_write fs/read_write.c:620 [inline] [<000000001baf2383>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<00000000af392190>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<000000006f984628>] entry_SYSCALL_64_after_hwframe+0x44/0xa9