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236f9fe39b
linux/arch/um/os-Linux
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Benjamin Berg 236f9fe39b um: Don't use vfprintf() for os_info() 
The threads allocated inside the kernel have only a single page of
stack. Unfortunately, the vfprintf function in standard glibc may use
too much stack-space, overflowing it.

To make os_info safe to be used by helper threads, use the kernel
vscnprintf function into a smallish buffer and write out the information
to stderr.

Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-01-04 23:45:17 +01:00
..
drivers um,ethertap: Replace deprecated strncpy() with strscpy() 2023-09-29 11:37:50 -07:00
skas um: Drop NULL check from start_userspace 2024-01-04 23:31:05 +01:00
elf_aux.c ELF: fix all "Elf" typos 2023-04-08 13:45:37 -07:00
execvp.c um: Allow builds with Clang 2022-03-21 08:13:03 -07:00
file.c um: Fix WRITE_ZEROES in the UBD Driver 2022-03-11 10:46:34 +01:00
helper.c um: Fix naming clash between UML and scheduler 2024-01-04 21:22:27 +01:00
irq.c um: Remove the unneeded result variable 2023-02-01 22:11:24 +01:00
main.c um: Don't trace irqflags during shutdown 2019-11-25 22:42:57 +01:00
Makefile kbuild: remove --include-dir MAKEFLAG from top Makefile 2023-02-05 18:51:22 +09:00
mem.c UML: add support for KASAN under x86_64 2022-07-17 23:35:22 +02:00
process.c um: Add SPDX headers for files in arch/um/os-Linux 2019-09-15 21:37:17 +02:00
registers.c um: registers: Rename function names to avoid conflicts and build problems 2021-12-21 21:22:19 +01:00
sigio.c Revert "um: Use swap() to make code cleaner" 2023-07-27 13:07:03 -07:00
signal.c um: rename set_signals() to um_set_signals() 2021-12-21 21:13:44 +01:00
start_up.c um: Make errors to stop ptraced child fatal during startup 2024-01-04 23:33:15 +01:00
time.c um: Remove unused timeval_to_ns() function 2022-03-11 10:49:50 +01:00
tty.c um: Add SPDX headers for files in arch/um/os-Linux 2019-09-15 21:37:17 +02:00
umid.c um: Remove strlcpy declaration 2023-07-27 08:51:06 -07:00
user_syms.c Revert "[PATCH] uml: export symbols added by GCC hardened" 2023-06-15 04:47:04 +09:00
util.c um: Don't use vfprintf() for os_info() 2024-01-04 23:45:17 +01:00