executing program BUG: memory leak unreferenced object 0xffff88812160e880 (size 96): comm "syz-executor122", pid 6939, jiffies 4294942345 (age 14.130s) 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: [<0000000092491cbc>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<0000000092491cbc>] slab_post_alloc_hook mm/slab.h:522 [inline] [<0000000092491cbc>] slab_alloc mm/slab.c:3319 [inline] [<0000000092491cbc>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<00000000125e719c>] kmalloc include/linux/slab.h:552 [inline] [<00000000125e719c>] kzalloc include/linux/slab.h:748 [inline] [<00000000125e719c>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158 [<00000000e8cb9bcd>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1882 [<0000000060de60e2>] sctp_sendmsg+0x2a8/0x990 net/sctp/socket.c:2102 [<0000000040cef495>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807 [<000000003e30ad5e>] sock_sendmsg_nosec net/socket.c:637 [inline] [<000000003e30ad5e>] sock_sendmsg+0x54/0x70 net/socket.c:657 [<00000000b174c2e5>] sock_write_iter+0xb6/0x130 net/socket.c:989 [<00000000e07ce75d>] call_write_iter include/linux/fs.h:1870 [inline] [<00000000e07ce75d>] new_sync_write+0x1ad/0x260 fs/read_write.c:483 [<00000000b036bac7>] __vfs_write+0x87/0xa0 fs/read_write.c:496 [<00000000cbc0437b>] vfs_write fs/read_write.c:558 [inline] [<00000000cbc0437b>] vfs_write+0xee/0x210 fs/read_write.c:542 [<000000009021b11f>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<00000000af97362c>] __do_sys_write fs/read_write.c:623 [inline] [<00000000af97362c>] __se_sys_write fs/read_write.c:620 [inline] [<00000000af97362c>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<0000000061c03828>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<00000000b7dbc35e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811d535780 (size 96): comm "syz-executor122", pid 6945, jiffies 4294942952 (age 8.060s) 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: [<0000000092491cbc>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<0000000092491cbc>] slab_post_alloc_hook mm/slab.h:522 [inline] [<0000000092491cbc>] slab_alloc mm/slab.c:3319 [inline] [<0000000092491cbc>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<00000000125e719c>] kmalloc include/linux/slab.h:552 [inline] [<00000000125e719c>] kzalloc include/linux/slab.h:748 [inline] [<00000000125e719c>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158 [<00000000e8cb9bcd>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1882 [<0000000060de60e2>] sctp_sendmsg+0x2a8/0x990 net/sctp/socket.c:2102 [<0000000040cef495>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807 [<000000003e30ad5e>] sock_sendmsg_nosec net/socket.c:637 [inline] [<000000003e30ad5e>] sock_sendmsg+0x54/0x70 net/socket.c:657 [<00000000b174c2e5>] sock_write_iter+0xb6/0x130 net/socket.c:989 [<00000000e07ce75d>] call_write_iter include/linux/fs.h:1870 [inline] [<00000000e07ce75d>] new_sync_write+0x1ad/0x260 fs/read_write.c:483 [<00000000b036bac7>] __vfs_write+0x87/0xa0 fs/read_write.c:496 [<00000000cbc0437b>] vfs_write fs/read_write.c:558 [inline] [<00000000cbc0437b>] vfs_write+0xee/0x210 fs/read_write.c:542 [<000000009021b11f>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<00000000af97362c>] __do_sys_write fs/read_write.c:623 [inline] [<00000000af97362c>] __se_sys_write fs/read_write.c:620 [inline] [<00000000af97362c>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<0000000061c03828>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<00000000b7dbc35e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9