Messages in this thread | | | Subject | Re: [PATCH v4] net: sched: fix memory leak in tcindex_set_parms | From | patchwork-bot+netdevbpf@kernel ... | Date | Mon, 26 Dec 2022 09:00:15 +0000 |
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Hello:
This patch was applied to netdev/net.git (master) by David S. Miller <davem@davemloft.net>:
On Thu, 22 Dec 2022 11:51:19 +0800 you wrote: > Syzkaller reports a memory leak as follows: > ==================================== > BUG: memory leak > unreferenced object 0xffff88810c287f00 (size 256): > comm "syz-executor105", pid 3600, jiffies 4294943292 (age 12.990s) > 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: > [<ffffffff814cf9f0>] kmalloc_trace+0x20/0x90 mm/slab_common.c:1046 > [<ffffffff839c9e07>] kmalloc include/linux/slab.h:576 [inline] > [<ffffffff839c9e07>] kmalloc_array include/linux/slab.h:627 [inline] > [<ffffffff839c9e07>] kcalloc include/linux/slab.h:659 [inline] > [<ffffffff839c9e07>] tcf_exts_init include/net/pkt_cls.h:250 [inline] > [<ffffffff839c9e07>] tcindex_set_parms+0xa7/0xbe0 net/sched/cls_tcindex.c:342 > [<ffffffff839caa1f>] tcindex_change+0xdf/0x120 net/sched/cls_tcindex.c:553 > [<ffffffff8394db62>] tc_new_tfilter+0x4f2/0x1100 net/sched/cls_api.c:2147 > [<ffffffff8389e91c>] rtnetlink_rcv_msg+0x4dc/0x5d0 net/core/rtnetlink.c:6082 > [<ffffffff839eba67>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2540 > [<ffffffff839eab87>] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] > [<ffffffff839eab87>] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345 > [<ffffffff839eb046>] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921 > [<ffffffff8383e796>] sock_sendmsg_nosec net/socket.c:714 [inline] > [<ffffffff8383e796>] sock_sendmsg+0x56/0x80 net/socket.c:734 > [<ffffffff8383eb08>] ____sys_sendmsg+0x178/0x410 net/socket.c:2482 > [<ffffffff83843678>] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536 > [<ffffffff838439c5>] __sys_sendmmsg+0x105/0x330 net/socket.c:2622 > [<ffffffff83843c14>] __do_sys_sendmmsg net/socket.c:2651 [inline] > [<ffffffff83843c14>] __se_sys_sendmmsg net/socket.c:2648 [inline] > [<ffffffff83843c14>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2648 > [<ffffffff84605fd5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] > [<ffffffff84605fd5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 > [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd > ==================================== > > [...]
Here is the summary with links: - [v4] net: sched: fix memory leak in tcindex_set_parms https://git.kernel.org/netdev/net/c/399ab7fe0fa0
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