The patch titled
um: fix crash while os_dump_core()
has been added to the -mm tree. Its filename is
um-fix-crash-while-os_dump_core.patch
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------------------------------------------------------
Subject: um: fix crash while os_dump_core()
From: Richard Weinberger <richard@xxxxxx>
os_dump_core() emits SIGTERM to terminate all UML processes. Kernel
threads have to exit on SIGTERM instead of calling last_ditch_exit().
Multiple calls to last_ditch_exit() can cause a crash.
Signed-off-by: Richard Weinberger <richard@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/um/os-Linux/process.c | 1 +
1 file changed, 1 insertion(+)
diff -puN arch/um/os-Linux/process.c~um-fix-crash-while-os_dump_core arch/um/os-Linux/process.c
--- a/arch/um/os-Linux/process.c~um-fix-crash-while-os_dump_core
+++ a/arch/um/os-Linux/process.c
@@ -253,6 +253,7 @@ void init_new_thread_signals(void)
SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, SIGALRM,
SIGVTALRM, -1);
signal(SIGWINCH, SIG_IGN);
+ signal(SIGTERM, SIG_DFL);
}
int run_kernel_thread(int (*fn)(void *), void *arg, jmp_buf **jmp_ptr)
_
Patches currently in -mm which might be from richard@xxxxxx are
origin.patch
mm-mmu_gather-rework.patch
powerpc-mmu_gather-rework.patch
sparc-mmu_gather-rework.patch
s390-mmu_gather-rework.patch
arm-mmu_gather-rework.patch
sh-mmu_gather-rework.patch
ia64-mmu_gather-rework.patch
um-mmu_gather-rework.patch
mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage.patch
mm-powerpc-move-the-rcu-page-table-freeing-into-generic-code.patch
mm-extended-batches-for-generic-mmu_gather.patch
lockdep-mutex-provide-mutex_lock_nest_lock.patch
mm-remove-i_mmap_lock-lockbreak.patch
mm-convert-i_mmap_lock-to-a-mutex.patch
mm-revert-page_lock_anon_vma-lock-annotation.patch
mm-improve-page_lock_anon_vma-comment.patch
mm-use-refcounts-for-page_lock_anon_vma.patch
mm-convert-anon_vma-lock-to-a-mutex.patch
mm-optimize-page_lock_anon_vma-fast-path.patch
um-os_dump_core-cleanup.patch
um-fix-uml_lib_path.patch
um-remove-sighup-handler.patch
um-add-earlyprintk-support.patch
um-add-ucast-ethernet-transport.patch
um-print-info-about-fatal-segfaults.patch
um-include-linux-prefetchh.patch
um-fix-crash-while-os_dump_core.patch
remove-unused-proc_change_penalty-constant.patch
lib-consolidate-debug_stack_usage-option.patch
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