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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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b599316492
I overlooked the difference between __kernel_uid_t and uid_t when defining struct compat_elf_prpsinfo. The result is a regression in 32-bit core dumps on x86_64, where the NT_PRPSINFO note has the wrong size and layout. This patch fixes it. Signed-off-by: Roland McGrath <roland@redhat.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
#ifndef _LINUX_ELFCORE_COMPAT_H
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#define _LINUX_ELFCORE_COMPAT_H
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#include <linux/elf.h>
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#include <linux/elfcore.h>
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#include <linux/compat.h>
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/*
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* Make sure these layouts match the linux/elfcore.h native definitions.
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*/
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struct compat_elf_siginfo
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{
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compat_int_t si_signo;
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compat_int_t si_code;
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compat_int_t si_errno;
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};
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struct compat_elf_prstatus
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{
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struct compat_elf_siginfo pr_info;
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short pr_cursig;
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compat_ulong_t pr_sigpend;
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compat_ulong_t pr_sighold;
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compat_pid_t pr_pid;
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compat_pid_t pr_ppid;
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compat_pid_t pr_pgrp;
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compat_pid_t pr_sid;
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struct compat_timeval pr_utime;
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struct compat_timeval pr_stime;
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struct compat_timeval pr_cutime;
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struct compat_timeval pr_cstime;
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compat_elf_gregset_t pr_reg;
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#ifdef CONFIG_BINFMT_ELF_FDPIC
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compat_ulong_t pr_exec_fdpic_loadmap;
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compat_ulong_t pr_interp_fdpic_loadmap;
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#endif
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compat_int_t pr_fpvalid;
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};
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struct compat_elf_prpsinfo
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{
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char pr_state;
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char pr_sname;
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char pr_zomb;
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char pr_nice;
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compat_ulong_t pr_flag;
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__compat_uid_t pr_uid;
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__compat_gid_t pr_gid;
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compat_pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid;
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char pr_fname[16];
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char pr_psargs[ELF_PRARGSZ];
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};
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#endif /* _LINUX_ELFCORE_COMPAT_H */
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