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In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix WARNING "do not call blocking ops when !TASK_RUNNING"
wait_event_timeout() will set the state of the current task to TASK_UNINTERRUPTIBLE, before doing the condition check. This means that ksmbd_durable_scavenger_alive() will try to acquire the mutex while already in a sleeping state. The scheduler warns us by giving the following warning:
do not call blocking ops when !TASK_RUNNING; state=2 set at [<0000000061515a6f>] prepare_to_wait_event+0x9f/0x6c0 WARNING: CPU: 2 PID: 4147 at kernel/sched/core.c:10099 __might_sleep+0x12f/0x160
mutex lock is not needed in ksmbd_durable_scavenger_alive().
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | May 15, 2025 | May 8, 2025 |
| Ubuntu | — | Upgrade linux-image-generic-64kUpgrade linux-image-6.14.0-1008-gcpUpgrade linux-image-aws-64kUpgrade linux-image-azure-fdeUpgrade linux-image-oracleUpgrade linux-image-6.14.0-1007-raspiUpgrade linux-image-gcpUpgrade linux-image-6.14.0-1007-awsUpgrade linux-image-6.14.0-22-genericUpgrade linux-image-awsUpgrade linux-image-oracle-64kUpgrade linux-image-6.14.0-1007-azureUpgrade linux-image-gcp-64kUpgrade linux-image-azureUpgrade linux-image-6.14.0-1004-realtimeUpgrade linux-image-raspiUpgrade linux-image-6.14.0-1007-oracle-64kUpgrade linux-image-6.14.0-22-generic-64kUpgrade linux-image-genericUpgrade linux-image-6.14.0-1008-gcp-64kUpgrade linux-image-realtimeUpgrade linux-image-6.14.0-1007-azure-fdeUpgrade linux-image-6.14.0-1007-aws-64kUpgrade linux-image-6.14.0-1007-oracle | Jun 26, 2025 | May 8, 2025 |
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