diff options
author | Eric W. Biederman <ebiederm@xmission.com> | 2019-05-23 18:17:27 +0300 |
---|---|---|
committer | Eric W. Biederman <ebiederm@xmission.com> | 2019-05-27 17:36:28 +0300 |
commit | 3cf5d076fb4d48979f382bc9452765bf8b79e740 (patch) | |
tree | 935f7af65a7a7f1ba514f1da5b207e2dc298eaca /arch/x86 | |
parent | cb44c9a0ab21a9ae4dfcabac1ed8e38aa872d1af (diff) | |
download | linux-3cf5d076fb4d48979f382bc9452765bf8b79e740.tar.xz |
signal: Remove task parameter from force_sig
All of the remaining callers pass current into force_sig so
remove the task parameter to make this obvious and to make
misuse more difficult in the future.
This also makes it clear force_sig passes current into force_sig_info.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/entry/vsyscall/vsyscall_64.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mce/core.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/signal.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/traps.c | 4 | ||||
-rw-r--r-- | arch/x86/kernel/uprobes.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/vm86_32.c | 2 | ||||
-rw-r--r-- | arch/x86/mm/mpx.c | 2 | ||||
-rw-r--r-- | arch/x86/um/signal.c | 4 |
8 files changed, 10 insertions, 10 deletions
diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c index d9d81ad7a400..7ea87f4ad0b7 100644 --- a/arch/x86/entry/vsyscall/vsyscall_64.c +++ b/arch/x86/entry/vsyscall/vsyscall_64.c @@ -268,7 +268,7 @@ do_ret: return true; sigsegv: - force_sig(SIGSEGV, current); + force_sig(SIGSEGV); return true; } diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index 5112a50e6486..e11ac124dd37 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -1329,7 +1329,7 @@ void do_machine_check(struct pt_regs *regs, long error_code) local_irq_enable(); if (kill_it || do_memory_failure(&m)) - force_sig(SIGBUS, current); + force_sig(SIGBUS); local_irq_disable(); ist_end_non_atomic(); } else { diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 364813cea647..7cf508f78c8c 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -857,7 +857,7 @@ void signal_fault(struct pt_regs *regs, void __user *frame, char *where) pr_cont("\n"); } - force_sig(SIGSEGV, me); + force_sig(SIGSEGV); } #ifdef CONFIG_X86_X32_ABI diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 8b6d03e55d2f..e54f0cad4b2e 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -254,7 +254,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, show_signal(tsk, signr, "trap ", str, regs, error_code); if (!sicode) - force_sig(signr, tsk); + force_sig(signr); else force_sig_fault(signr, sicode, addr, tsk); } @@ -566,7 +566,7 @@ do_general_protection(struct pt_regs *regs, long error_code) show_signal(tsk, SIGSEGV, "", desc, regs, error_code); - force_sig(SIGSEGV, tsk); + force_sig(SIGSEGV); } NOKPROBE_SYMBOL(do_general_protection); diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c index ccf03416e434..18239d5a8b53 100644 --- a/arch/x86/kernel/uprobes.c +++ b/arch/x86/kernel/uprobes.c @@ -1087,7 +1087,7 @@ arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs pr_err("return address clobbered: pid=%d, %%sp=%#lx, %%ip=%#lx\n", current->pid, regs->sp, regs->ip); - force_sig(SIGSEGV, current); + force_sig(SIGSEGV); } return -1; diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c index 6a38717d179c..a76c12b38e92 100644 --- a/arch/x86/kernel/vm86_32.c +++ b/arch/x86/kernel/vm86_32.c @@ -583,7 +583,7 @@ int handle_vm86_trap(struct kernel_vm86_regs *regs, long error_code, int trapno) return 1; /* we let this handle by the calling routine */ current->thread.trap_nr = trapno; current->thread.error_code = error_code; - force_sig(SIGTRAP, current); + force_sig(SIGTRAP); return 0; } diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c index 0d1c47cbbdd6..895fb7a9294d 100644 --- a/arch/x86/mm/mpx.c +++ b/arch/x86/mm/mpx.c @@ -912,7 +912,7 @@ void mpx_notify_unmap(struct mm_struct *mm, unsigned long start, ret = mpx_unmap_tables(mm, start, end); if (ret) - force_sig(SIGSEGV, current); + force_sig(SIGSEGV); } /* MPX cannot handle addresses above 47 bits yet. */ diff --git a/arch/x86/um/signal.c b/arch/x86/um/signal.c index 8b4a71efe7ee..7c11c9e5d7ea 100644 --- a/arch/x86/um/signal.c +++ b/arch/x86/um/signal.c @@ -471,7 +471,7 @@ long sys_sigreturn(void) return PT_REGS_SYSCALL_RET(¤t->thread.regs); segfault: - force_sig(SIGSEGV, current); + force_sig(SIGSEGV); return 0; } @@ -577,6 +577,6 @@ long sys_rt_sigreturn(void) return PT_REGS_SYSCALL_RET(¤t->thread.regs); segfault: - force_sig(SIGSEGV, current); + force_sig(SIGSEGV); return 0; } |