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61765e1b41
[ Upstream commit f3fdd4fba16c74697d8bc730b82fb7c1eff7fab3 ]
rpl is passed as a pointer to ethtool_cmis_module_poll(), so the correct
size of rpl is sizeof(*rpl) which should be just 1 byte. Using the
pointer size instead can cause stack corruption:
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ethtool_cmis_wait_for_cond+0xf4/0x100
CPU: 72 UID: 0 PID: 4440 Comm: kworker/72:2 Kdump: loaded Tainted: G OE 6.11.0 #24
Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
Hardware name: Dell Inc. PowerEdge R760/04GWWM, BIOS 1.6.6 09/20/2023
Workqueue: events module_flash_fw_work
Call Trace:
<TASK>
panic+0x339/0x360
? ethtool_cmis_wait_for_cond+0xf4/0x100
? __pfx_status_success+0x10/0x10
? __pfx_status_fail+0x10/0x10
__stack_chk_fail+0x10/0x10
ethtool_cmis_wait_for_cond+0xf4/0x100
ethtool_cmis_cdb_execute_cmd+0x1fc/0x330
? __pfx_status_fail+0x10/0x10
cmis_cdb_module_features_get+0x6d/0xd0
ethtool_cmis_cdb_init+0x8a/0xd0
ethtool_cmis_fw_update+0x46/0x1d0
module_flash_fw_work+0x17/0xa0
process_one_work+0x179/0x390
worker_thread+0x239/0x340
? __pfx_worker_thread+0x10/0x10
kthread+0xcc/0x100
? __pfx_kthread+0x10/0x10
ret_from_fork+0x2d/0x50
? __pfx_kthread+0x10/0x10
ret_from_fork_asm+0x1a/0x30
</TASK>
Fixes:
|
||
|---|---|---|
| .. | ||
| bitset.c | ||
| bitset.h | ||
| cabletest.c | ||
| channels.c | ||
| cmis_cdb.c | ||
| cmis_fw_update.c | ||
| cmis.h | ||
| coalesce.c | ||
| common.c | ||
| common.h | ||
| debug.c | ||
| eee.c | ||
| eeprom.c | ||
| features.c | ||
| fec.c | ||
| ioctl.c | ||
| linkinfo.c | ||
| linkmodes.c | ||
| linkstate.c | ||
| Makefile | ||
| mm.c | ||
| module_fw.h | ||
| module.c | ||
| netlink.c | ||
| netlink.h | ||
| pause.c | ||
| phc_vclocks.c | ||
| phy.c | ||
| plca.c | ||
| privflags.c | ||
| pse-pd.c | ||
| rings.c | ||
| rss.c | ||
| stats.c | ||
| strset.c | ||
| tsinfo.c | ||
| tunnels.c | ||
| wol.c | ||