executing program executing program BUG: memory leak unreferenced object 0xffff888124bb2600 (size 96): comm "syz-executor190", pid 6909, jiffies 4294947372 (age 13.690s) 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: [<00000000f1241943>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000f1241943>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000f1241943>] slab_alloc mm/slab.c:3319 [inline] [<00000000f1241943>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<00000000ce913250>] kmalloc include/linux/slab.h:552 [inline] [<00000000ce913250>] kzalloc include/linux/slab.h:748 [inline] [<00000000ce913250>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158 [<00000000a4da48be>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1883 [<00000000535b724f>] sctp_sendmsg+0x2a8/0x990 net/sctp/socket.c:2103 [<000000003b1a41e9>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807 [<0000000089919ca2>] sock_sendmsg_nosec net/socket.c:637 [inline] [<0000000089919ca2>] sock_sendmsg+0x54/0x70 net/socket.c:657 [<00000000edb73ec9>] sock_write_iter+0xb6/0x130 net/socket.c:989 [<00000000a85c5236>] call_write_iter include/linux/fs.h:1870 [inline] [<00000000a85c5236>] new_sync_write+0x1ad/0x260 fs/read_write.c:483 [<00000000d3753be1>] __vfs_write+0x87/0xa0 fs/read_write.c:496 [<00000000d07c0d7c>] vfs_write fs/read_write.c:558 [inline] [<00000000d07c0d7c>] vfs_write+0xee/0x210 fs/read_write.c:542 [<000000005d629adc>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<000000009714d45e>] __do_sys_write fs/read_write.c:623 [inline] [<000000009714d45e>] __se_sys_write fs/read_write.c:620 [inline] [<000000009714d45e>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<00000000540fd2c5>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290 [<00000000034c1c5e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9