executing program BUG: memory leak unreferenced object 0xffff88812a6f3f00 (size 256): comm "syz-executor828", pid 6502, jiffies 4294948730 (age 12.940s) 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: [<00000000597569f7>] kmalloc include/linux/slab.h:554 [inline] [<00000000597569f7>] kmalloc_array include/linux/slab.h:593 [inline] [<00000000597569f7>] kcalloc include/linux/slab.h:605 [inline] [<00000000597569f7>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000597569f7>] tcindex_set_parms+0xa3/0x9d0 net/sched/cls_tcindex.c:339 [<00000000fcae4013>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<000000002e63e44a>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129 [<00000000aed686f3>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554 [<000000005abf3702>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470 [<000000003161b26e>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<000000003161b26e>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330 [<000000008d606e49>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919 [<00000000abf9e510>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000abf9e510>] sock_sendmsg+0x4c/0x60 net/socket.c:671 [<00000000bdb457a4>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2353 [<000000004df84813>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407 [<00000000a9bec698>] __sys_sendmsg+0x77/0xe0 net/socket.c:2440 [<0000000070174b8f>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<000000003da2fd4f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88812a6f3c00 (size 256): comm "syz-executor828", pid 6502, jiffies 4294948730 (age 12.940s) 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: [<00000000eb7dbd9a>] kmalloc include/linux/slab.h:554 [inline] [<00000000eb7dbd9a>] kmalloc_array include/linux/slab.h:593 [inline] [<00000000eb7dbd9a>] kcalloc include/linux/slab.h:605 [inline] [<00000000eb7dbd9a>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000eb7dbd9a>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000eb7dbd9a>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<0000000099298dc2>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<00000000fcae4013>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<000000002e63e44a>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129 [<00000000aed686f3>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554 [<000000005abf3702>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470 [<000000003161b26e>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<000000003161b26e>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330 [<000000008d606e49>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919 [<00000000abf9e510>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000abf9e510>] sock_sendmsg+0x4c/0x60 net/socket.c:671 [<00000000bdb457a4>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2353 [<000000004df84813>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407 [<00000000a9bec698>] __sys_sendmsg+0x77/0xe0 net/socket.c:2440 [<0000000070174b8f>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<000000003da2fd4f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811784ef00 (size 256): comm "syz-executor828", pid 6502, jiffies 4294948730 (age 12.940s) 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: [<00000000eb7dbd9a>] kmalloc include/linux/slab.h:554 [inline] [<00000000eb7dbd9a>] kmalloc_array include/linux/slab.h:593 [inline] [<00000000eb7dbd9a>] kcalloc include/linux/slab.h:605 [inline] [<00000000eb7dbd9a>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000eb7dbd9a>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000eb7dbd9a>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<0000000099298dc2>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<00000000fcae4013>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<000000002e63e44a>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129 [<00000000aed686f3>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554 [<000000005abf3702>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470 [<000000003161b26e>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<000000003161b26e>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330 [<000000008d606e49>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919 [<00000000abf9e510>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000abf9e510>] sock_sendmsg+0x4c/0x60 net/socket.c:671 [<00000000bdb457a4>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2353 [<000000004df84813>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407 [<00000000a9bec698>] __sys_sendmsg+0x77/0xe0 net/socket.c:2440 [<0000000070174b8f>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<000000003da2fd4f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9