From: Timmy Li <lixiaopi...@huawei.com> Date: Tue, 2 May 2017 10:46:52 +0800
> hns_get_sset_count() returns HNS_NET_STATS_CNT and the data space allocated > is not enough for ethtool_get_strings(), which will cause random memory > corruption. > > When SLAB and DEBUG_SLAB are both enabled, memory corruptions like the > the following can be observed without this patch: > [ 43.115200] Slab corruption (Not tainted): Acpi-ParseExt > start=ffff801fb0b69030, len=80 > [ 43.115206] Redzone: 0x9f911029d006462/0x5f78745f31657070. > [ 43.115208] Last user: [<5f7272655f746b70>](0x5f7272655f746b70) > [ 43.115214] 010: 70 70 65 31 5f 74 78 5f 70 6b 74 00 6b 6b 6b 6b > ppe1_tx_pkt.kkkk > [ 43.115217] 030: 70 70 65 31 5f 74 78 5f 70 6b 74 5f 6f 6b 00 6b > ppe1_tx_pkt_ok.k > [ 43.115218] Next obj: start=ffff801fb0b69098, len=80 > [ 43.115220] Redzone: 0x706d655f6f666966/0x9f911029d74e35b. > [ 43.115229] Last user: > [<ffff0000084b11b0>](acpi_os_release_object+0x28/0x38) > [ 43.115231] 000: 74 79 00 6b 6b 6b 6b 6b 70 70 65 31 5f 74 78 5f > ty.kkkkkppe1_tx_ > [ 43.115232] 010: 70 6b 74 5f 65 72 72 5f 63 73 75 6d 5f 66 61 69 > pkt_err_csum_fai > > Signed-off-by: Timmy Li <lixiaopi...@huawei.com> > --- > Changelog: > > v1 -> v2: > * Remove unnecessary parenthesis Applied, thank you.
