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| author | Jakub Kicinski <kuba@kernel.org> | 2025-04-30 09:38:36 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-05-05 13:54:40 -0700 |
| commit | 4397684a292a71fbc1e815c3e283f7490ddce5ae (patch) | |
| tree | e0b666ac84469ac07952362abc78459fa55c2c48 /scripts/macro_checker.py | |
| parent | 1e20324b23f0afba27997434fb978f1e4a1dbcb6 (diff) | |
virtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable()
The selftests added to our CI by Bui Quang Minh recently reveals
that there is a mem leak on the error path of virtnet_xsk_pool_enable():
unreferenced object 0xffff88800a68a000 (size 2048):
comm "xdp_helper", pid 318, jiffies 4294692778
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 (crc 0):
__kvmalloc_node_noprof+0x402/0x570
virtnet_xsk_pool_enable+0x293/0x6a0 (drivers/net/virtio_net.c:5882)
xp_assign_dev+0x369/0x670 (net/xdp/xsk_buff_pool.c:226)
xsk_bind+0x6a5/0x1ae0
__sys_bind+0x15e/0x230
__x64_sys_bind+0x72/0xb0
do_syscall_64+0xc1/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Acked-by: Jason Wang <jasowang@redhat.com>
Fixes: e9f3962441c0 ("virtio_net: xsk: rx: support fill with xsk buffer")
Link: https://patch.msgid.link/20250430163836.3029761-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'scripts/macro_checker.py')
0 files changed, 0 insertions, 0 deletions