Messages in this thread | | | Subject | Re: [PATCH net v2] kcm: Fix memory leak in error path of kcm_sendmsg() | From | patchwork-bot+netdevbpf@kernel ... | Date | Mon, 11 Sep 2023 09:25:42 +0000 |
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Hello:
This patch was applied to netdev/net.git (main) by David S. Miller <davem@davemloft.net>:
On Sun, 10 Sep 2023 02:03:10 +0900 you wrote: > syzbot reported a memory leak like below: > > BUG: memory leak > unreferenced object 0xffff88810b088c00 (size 240): > comm "syz-executor186", pid 5012, jiffies 4294943306 (age 13.680s) > hex dump (first 32 bytes): > 00 89 08 0b 81 88 ff ff 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: > [<ffffffff83e5d5ff>] __alloc_skb+0x1ef/0x230 net/core/skbuff.c:634 > [<ffffffff84606e59>] alloc_skb include/linux/skbuff.h:1289 [inline] > [<ffffffff84606e59>] kcm_sendmsg+0x269/0x1050 net/kcm/kcmsock.c:815 > [<ffffffff83e479c6>] sock_sendmsg_nosec net/socket.c:725 [inline] > [<ffffffff83e479c6>] sock_sendmsg+0x56/0xb0 net/socket.c:748 > [<ffffffff83e47f55>] ____sys_sendmsg+0x365/0x470 net/socket.c:2494 > [<ffffffff83e4c389>] ___sys_sendmsg+0xc9/0x130 net/socket.c:2548 > [<ffffffff83e4c536>] __sys_sendmsg+0xa6/0x120 net/socket.c:2577 > [<ffffffff84ad7bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] > [<ffffffff84ad7bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 > [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd > > [...]
Here is the summary with links: - [net,v2] kcm: Fix memory leak in error path of kcm_sendmsg() https://git.kernel.org/netdev/net/c/c821a88bd720
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