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| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-06-22 09:01:38 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-06-22 09:01:38 +0200 |
| commit | 945fb136dfcb5291b4fb2abd4fd1edf790de44ff (patch) | |
| tree | a32b99fade5a47d619b1c9fa5613f49f84bfa9dc /arch/x86/ia32/ia32_aout.c | |
| parent | splice: don't pass the address of ->f_pos to methods (diff) | |
| download | linux-945fb136dfcb5291b4fb2abd4fd1edf790de44ff.tar.xz linux-945fb136dfcb5291b4fb2abd4fd1edf790de44ff.zip | |
aout32 coredump compat fix
dump_seek() does SEEK_CUR, not SEEK_SET; native binfmt_aout
handles it correctly (seeks by PAGE_SIZE - sizeof(struct user),
getting the current position to PAGE_SIZE), compat one seeks
by PAGE_SIZE and ends up at PAGE_SIZE + already written...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/x86/ia32/ia32_aout.c')
| -rw-r--r-- | arch/x86/ia32/ia32_aout.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c index 805078e08013..52ff81cce008 100644 --- a/arch/x86/ia32/ia32_aout.c +++ b/arch/x86/ia32/ia32_aout.c @@ -192,7 +192,7 @@ static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, /* struct user */ DUMP_WRITE(&dump, sizeof(dump)); /* Now dump all of the user data. Include malloced stuff as well */ - DUMP_SEEK(PAGE_SIZE); + DUMP_SEEK(PAGE_SIZE - sizeof(dump)); /* now we start writing out the user space info */ set_fs(USER_DS); /* Dump the data area */ |