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liang.huangandAlan C. Assis 059176fe64 sched: avoid dumping raw memory at address 0 for tasks without kstack
dump_stacks() only checked kernelstack_sp != 0 || force, so for tasks
with no kernel stack (e.g. idle, kernelstack_base == 0) the force path
passed base 0 to dump_stackinfo() and dumped raw memory from address 0,
triggering a secondary fault that truncated the panic log.  Guard with
kernelstack_base != 0.

Signed-off-by: liang.huang <liang.huang@houmo.ai>
2026-07-20 20:57:45 -03:00
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