BUG: memory leak unreferenced object 0xffff8881157b5800 (size 256): comm "syz-executor.0", pid 8645, jiffies 4294967530 (age 13.140s) hex dump (first 32 bytes): 00 76 95 15 81 88 ff ff 00 00 00 00 00 00 00 00 .v.............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c5aa443>] kmalloc include/linux/slab.h:554 [inline] [<000000009c5aa443>] kmalloc_array include/linux/slab.h:593 [inline] [<000000009c5aa443>] kcalloc include/linux/slab.h:623 [inline] [<000000009c5aa443>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<000000009c5aa443>] tcindex_set_parms+0xa3/0xc30 net/sched/cls_tcindex.c:339 [<00000000ce52ba87>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:550 [<00000000cc23595d>] tc_new_tfilter+0x561/0x1120 net/sched/cls_api.c:2127 [<00000000f80aa045>] rtnetlink_rcv_msg+0x422/0x520 net/core/rtnetlink.c:5544 [<00000000e9ef7ae1>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2502 [<00000000009dca12>] netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] [<00000000009dca12>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1338 [<00000000783ee93d>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1927 [<0000000078409997>] sock_sendmsg_nosec net/socket.c:654 [inline] [<0000000078409997>] sock_sendmsg+0x56/0x80 net/socket.c:674 [<00000000ae683ced>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2350 [<00000000847944a4>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2404 [<000000006c563569>] __sys_sendmmsg+0x105/0x330 net/socket.c:2490 [<0000000080d3e9fc>] __do_sys_sendmmsg net/socket.c:2519 [inline] [<0000000080d3e9fc>] __se_sys_sendmmsg net/socket.c:2516 [inline] [<0000000080d3e9fc>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2516 [<000000006e9776f6>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000cd89a19a>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff8881158fac00 (size 256): comm "syz-executor.0", pid 8645, jiffies 4294967530 (age 13.140s) 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: [<0000000056df9426>] kmalloc include/linux/slab.h:554 [inline] [<0000000056df9426>] kmalloc_array include/linux/slab.h:593 [inline] [<0000000056df9426>] kcalloc include/linux/slab.h:623 [inline] [<0000000056df9426>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<0000000056df9426>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<0000000056df9426>] tcindex_alloc_perfect_hash+0x8f/0x140 net/sched/cls_tcindex.c:302 [<0000000085d68f0d>] tcindex_set_parms+0xa7a/0xc30 net/sched/cls_tcindex.c:437 [<00000000ce52ba87>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:550 [<00000000cc23595d>] tc_new_tfilter+0x561/0x1120 net/sched/cls_api.c:2127 [<00000000f80aa045>] rtnetlink_rcv_msg+0x422/0x520 net/core/rtnetlink.c:5544 [<00000000e9ef7ae1>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2502 [<00000000009dca12>] netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] [<00000000009dca12>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1338 [<00000000783ee93d>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1927 [<0000000078409997>] sock_sendmsg_nosec net/socket.c:654 [inline] [<0000000078409997>] sock_sendmsg+0x56/0x80 net/socket.c:674 [<00000000ae683ced>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2350 [<00000000847944a4>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2404 [<000000006c563569>] __sys_sendmmsg+0x105/0x330 net/socket.c:2490 [<0000000080d3e9fc>] __do_sys_sendmmsg net/socket.c:2519 [inline] [<0000000080d3e9fc>] __se_sys_sendmmsg net/socket.c:2516 [inline] [<0000000080d3e9fc>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2516 [<000000006e9776f6>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000cd89a19a>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff8881158fab00 (size 256): comm "syz-executor.0", pid 8645, jiffies 4294967530 (age 13.140s) 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: [<0000000056df9426>] kmalloc include/linux/slab.h:554 [inline] [<0000000056df9426>] kmalloc_array include/linux/slab.h:593 [inline] [<0000000056df9426>] kcalloc include/linux/slab.h:623 [inline] [<0000000056df9426>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<0000000056df9426>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<0000000056df9426>] tcindex_alloc_perfect_hash+0x8f/0x140 net/sched/cls_tcindex.c:302 [<0000000085d68f0d>] tcindex_set_parms+0xa7a/0xc30 net/sched/cls_tcindex.c:437 [<00000000ce52ba87>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:550 [<00000000cc23595d>] tc_new_tfilter+0x561/0x1120 net/sched/cls_api.c:2127 [<00000000f80aa045>] rtnetlink_rcv_msg+0x422/0x520 net/core/rtnetlink.c:5544 [<00000000e9ef7ae1>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2502 [<00000000009dca12>] netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] [<00000000009dca12>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1338 [<00000000783ee93d>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1927 [<0000000078409997>] sock_sendmsg_nosec net/socket.c:654 [inline] [<0000000078409997>] sock_sendmsg+0x56/0x80 net/socket.c:674 [<00000000ae683ced>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2350 [<00000000847944a4>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2404 [<000000006c563569>] __sys_sendmmsg+0x105/0x330 net/socket.c:2490 [<0000000080d3e9fc>] __do_sys_sendmmsg net/socket.c:2519 [inline] [<0000000080d3e9fc>] __se_sys_sendmmsg net/socket.c:2516 [inline] [<0000000080d3e9fc>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2516 [<000000006e9776f6>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000cd89a19a>] entry_SYSCALL_64_after_hwframe+0x44/0xae