* [PATCH] bsd-user: freebsd/os-stat: fix getdents(2)
@ 2025-02-13 12:12 Meowthink
2025-02-27 13:18 ` Ping: " Meowthink
0 siblings, 1 reply; 2+ messages in thread
From: Meowthink @ 2025-02-13 12:12 UTC (permalink / raw)
To: qemu-devel; +Cc: Warner Losh, Kyle Evans
Syscall getdents(2) has been historically mistaken the pointer in the
loop. This influences aarch64 python3.12 built by cosmopolitan
/superconfigure thus been found out.
Signed-off-by: Meowthink <meowthink@googlemail.com>
---
bsd-user/freebsd/os-stat.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/bsd-user/freebsd/os-stat.h b/bsd-user/freebsd/os-stat.h
index 3bdc66aa98..5e14331e0b 100644
--- a/bsd-user/freebsd/os-stat.h
+++ b/bsd-user/freebsd/os-stat.h
@@ -475,6 +475,7 @@ static inline abi_long do_freebsd11_getdents(abi_long arg1,
de->d_reclen = tswap16(reclen);
de->d_fileno = tswap32(de->d_fileno);
len -= reclen;
+ de = (struct freebsd11_dirent *)((void *)de + reclen);
}
}
return ret;
base-commit: de278e54aefed143526174335f8286f7437d20be
--
2.42.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Ping: [PATCH] bsd-user: freebsd/os-stat: fix getdents(2)
2025-02-13 12:12 [PATCH] bsd-user: freebsd/os-stat: fix getdents(2) Meowthink
@ 2025-02-27 13:18 ` Meowthink
0 siblings, 0 replies; 2+ messages in thread
From: Meowthink @ 2025-02-27 13:18 UTC (permalink / raw)
To: qemu-devel; +Cc: Warner Losh, Kyle Evans
Ping for this patch:
https://patchew.org/QEMU/CABnABob99XZCBwsWYQKKjT3aMWzodAzmTMM6AB7utVz._5Fun._5F9gQ@mail.gmail.com/
Though not used by recent(__FreeBSD_version >= 1200000) base libc,
this syscall is used by concurrent (like the newest v4.0.2)
cosmopolitan libc. Wrong emulation leads to things like python in
superconfigure broken.
^ permalink raw reply [flat|nested] 2+ messages in thread
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