CVE-2022-48694

SW generated completions for outstanding WRs posted on SQ after QP is in error target the wrong CQ. This causes the ibdrainsq to hang with no completion.

Fix this to generate completions on the right CQ.

[ 863.969340] INFO: task kworker/u52:2:671 blocked for more than 122 seconds. [ 863.979224] Not tainted 5.14.0-130.el9.x8664 #1 [ 863.986588] "echo 0 > /proc/sys/kernel/hungtasktimeoutsecs" disables this message. [ 863.996997] task:kworker/u52:2 state:D stack: 0 pid: 671 ppid: 2 flags:0x00004000 [ 864.007272] Workqueue: xprtiod xprt_autoclose [sunrpc] [ 864.014056] Call Trace: [ 864.017575] __schedule+0x206/0x580 [ 864.022296] schedule+0x43/0xa0 [ 864.026736] schedule_timeout+0x115/0x150 [ 864.032185] __waitforcommon+0x93/0x1d0 [ 864.037717] ? usleeprangestate+0x90/0x90 [ 864.043368] __ibdrainsq+0xf6/0x170 [ib_core] [ 864.049371] ? __rdmablockiternext+0x80/0x80 [ibcore] [ 864.056240] ibdrainsq+0x66/0x70 [ibcore] [ 864.062003] rpcrdmaxprtdisconnect+0x82/0x3b0 [rpcrdma] [ 864.069365] ? xprtpreparetransmit+0x5d/0xc0 [sunrpc] [ 864.076386] xprtrdmaclose+0xe/0x30 [rpcrdma] [ 864.082593] xprtautoclose+0x52/0x100 [sunrpc] [ 864.088718] processonework+0x1e8/0x3c0 [ 864.094170] workerthread+0x50/0x3b0 [ 864.099109] ? rescuerthread+0x370/0x370 [ 864.104473] kthread+0x149/0x170 [ 864.109022] ? setkthreadstruct+0x40/0x40 [ 864.114713] retfromfork+0x22/0x30

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48694.json",
    "cna_assigner": "Linux"
}

References

Affected packages

Linux / Kernel

Package

Name: Kernel

Affected ranges

Type: ECOSYSTEM
Events: Introduced

5.19.0

Fixed

5.19.9

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48694.json"