https://bugzilla.kernel.org/show_bug.cgi?id=208181
Erhard F. (erhar...@mailbox.org) changed:
What|Removed |Added
Status|NEW |RESOLVED
https://bugzilla.kernel.org/show_bug.cgi?id=208181
--- Comment #18 from Erhard F. (erhar...@mailbox.org) ---
Created attachment 292339
--> https://bugzilla.kernel.org/attachment.cgi?id=292339=edit
kernel .config (5.9-rc3, PowerMac G4 DP)
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--- Comment #17 from Erhard F. (erhar...@mailbox.org) ---
Created attachment 292337
--> https://bugzilla.kernel.org/attachment.cgi?id=292337=edit
dmesg (5.9-rc3, INLINE KASAN, PowerMac G4 DP)
Re-tried with 5.9-rc3 (inline KASAN). The original
https://bugzilla.kernel.org/show_bug.cgi?id=208181
Erhard F. (erhar...@mailbox.org) changed:
What|Removed |Added
Attachment #289937|0 |1
is obsolete|
https://bugzilla.kernel.org/show_bug.cgi?id=208181
--- Comment #15 from Christophe Leroy (christophe.le...@csgroup.eu) ---
Ah yes, having init_text above the 24 bits limit might be a problem for
function calls. I'm surprised that the linker doesn't complain.
Anyway, it is not a problem in
https://bugzilla.kernel.org/show_bug.cgi?id=208181
--- Comment #14 from Erhard F. (erhar...@mailbox.org) ---
Ah, I've overlooked that...
To set CONFIG_DATA_SHIFT=25 I needed to set ADVANCED_OPTIONS=y,
DATA_SHIFT_BOOL=y first.
But with CONFIG_DATA_SHIFT=25 this kernel won't boot at all.
https://bugzilla.kernel.org/show_bug.cgi?id=208181
--- Comment #13 from Christophe Leroy (christophe.le...@csgroup.eu) ---
Thanks for testing.
Regarding the two BATs, I suggest you increase CONFIG_DATA_SHIFT as explained
in a previous comment.
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--- Comment #12 from Erhard F. (erhar...@mailbox.org) ---
Successfully applied your 2 patches. The kernel still complains about these 2
BATs, but the KASAN hit at early boot is gone with the patches. Thanks!
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--- Comment #11 from Christophe Leroy (christophe.le...@csgroup.eu) ---
The issue is that that commit moved more code than described into kasan_init():
Kasan Pages allocation have to be moved into kasan_init() but page tables
allocation must
https://bugzilla.kernel.org/show_bug.cgi?id=208181
--- Comment #10 from Christophe Leroy (christophe.le...@csgroup.eu) ---
I reproduced the problem and bisected it to commit
https://github.com/torvalds/linux/commit/d2a91cef9bbdeb87b7449fdab1a6be6000930210
I'll investigate the issue
Can you
https://bugzilla.kernel.org/show_bug.cgi?id=208181
--- Comment #9 from Erhard F. (erhar...@mailbox.org) ---
Ok, thanks for the clarification! So if KASAN works properly something else
must cause this hit. I will start a bisect the next few days and see how that
turns out...
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--- Comment #8 from Christophe Leroy (christophe.le...@csgroup.eu) ---
block_address_translation contains funny sizes. But the adresses seems ok.
So it shows you have a 24 Mb text+rodata area. 8 BATs are used
(16+8+8+32+64+128+256+256)
By
https://bugzilla.kernel.org/show_bug.cgi?id=208181
--- Comment #7 from Erhard F. (erhar...@mailbox.org) ---
Created attachment 289947
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segment_registers
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--- Comment #6 from Erhard F. (erhar...@mailbox.org) ---
Created attachment 289945
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block_address_translation
Sure.
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--- Comment #5 from Christophe Leroy (christophe.le...@csgroup.eu) ---
Can we get a dump of /sys/kernel/debug/powerpc/block_address_translation
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--- Comment #4 from Erhard F. (erhar...@mailbox.org) ---
Erm wait... there is some change.
In 5.8-rc1 stacktrace was:
BUG: KASAN: stack-out-of-bounds in strcmp+0x58/0xd8
Read of size 1 at addr c11c1a80 by task swapper/0
CPU: 0 PID: 0 Comm:
https://bugzilla.kernel.org/show_bug.cgi?id=208181
Erhard F. (erhar...@mailbox.org) changed:
What|Removed |Added
Attachment #289661|0 |1
is obsolete|
https://bugzilla.kernel.org/show_bug.cgi?id=208181
Erhard F. (erhar...@mailbox.org) changed:
What|Removed |Added
Attachment #289659|0 |1
is obsolete|
https://bugzilla.kernel.org/show_bug.cgi?id=208181
--- Comment #1 from Erhard F. (erhar...@mailbox.org) ---
Created attachment 289661
--> https://bugzilla.kernel.org/attachment.cgi?id=289661=edit
kernel .config (5.8-rc1, PowerMac G4 DP)
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