https://bugzilla.kernel.org/show_bug.cgi?id=205099
Erhard F. (erhar...@mailbox.org) changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #287625|0 |1
is obsolete| |
Attachment #288411|0 |1
is obsolete| |
--- Comment #30 from Erhard F. (erhar...@mailbox.org) ---
Created attachment 292345
--> https://bugzilla.kernel.org/attachment.cgi?id=292345&action=edit
dmesg (5.9-rc3, OUTLINE KASAN, PowerMac G4 DP)
Re-tested with v5.9-rc3 out of curiosity. Not much change here, the bug shows
up with OUTLINE KASAN but not with INLINE KASAN, everything else being equal:
==================================================================
BUG: KASAN: user-memory-access in raid6_altivec8_gen_syndrome_real+0x2b0/0x480
[raid6_pq]
Read of size 4 at addr 5764b118 by task modprobe/126
CPU: 1 PID: 126 Comm: modprobe Tainted: G W 5.9.0-rc3-PowerMacG4
#2
Call Trace:
[e32cb7b8] [c0517aac] dump_stack+0xc4/0xf8 (unreliable)
[e32cb7e8] [c026e73c] kasan_report+0x16c/0x170
[e32cb828] [b02004e0] raid6_altivec8_gen_syndrome_real+0x2b0/0x480 [raid6_pq]
[e32cba18] [b02006fc] raid6_altivec8_gen_syndrome+0x4c/0x88 [raid6_pq]
[e32cba38] [b021a42c] init_module+0x42c/0x590 [raid6_pq]
[e32cbb08] [c00058a0] do_one_initcall+0xb8/0x3dc
[e32cbbd8] [c011c0fc] do_init_module+0xa8/0x2c4
[e32cbc08] [c011f02c] load_module+0x2b98/0x2d4c
[e32cbe18] [c011f448] sys_finit_module+0x100/0x138
[e32cbf38] [c001a1cc] ret_from_syscall+0x0/0x34
--- interrupt: c01 at 0x3d2068
LR = 0x506104
==================================================================
BUG: Unable to handle kernel data access on read at 0x5764b118
Faulting instruction address: 0xb02004e0
Oops: Kernel access of bad area, sig: 11 [#1]
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