[FS#3894] kexec -l crashes 5.4 and 5.10 kernel on mips 32bit target (MT7621)

OpenWrt Bugs openwrt-bugs at lists.openwrt.org
Fri Jun 25 07:59:40 PDT 2021


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The following task has a new comment added:

FS#3894 - kexec -l crashes 5.4 and 5.10 kernel on mips 32bit target (MT7621)
User who did this - Steven Johnson (stevenj)

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this is caused by the kernel option currently set for all kernels:

CONFIG_HARDENED_USERCOPY=y

setting it to "n" lets kexec function normally.

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More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3894#comment9866

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