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740a8de079
linux/arch/ia64/kernel
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Akiyama, Nobuyuki 740a8de079 [IA64] adding parameter check to module_free() 
module_free() refers the first parameter before checking.
    But it is called like below(in kernel/kprobes). The first parameter is always NULL.
This happens when many probe points(>1024) are set by kprobes.
I encountered this with using SystemTap. It can set many probes easily.

static int __kprobes collect_one_slot(struct kprobe_insn_page *kip, int idx)
{
...
    if (kip->nused == 0) {
	    hlist_del(&kip->hlist);
	    if (hlist_empty(&kprobe_insn_pages)) {
		...
	    } else {
		    module_free(NULL, kip->insns); //<<< 1st param always NULL
		    kfree(kip);
	    }
	    return 1;
    }
    return 0;
}

Signed-off-by: Akiyama, Nobuyuki <akiyama.nobuyuk@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2008-07-17 11:22:01 -07:00
..
cpufreq [IA64] improper printk format in acpi-cpufreq 2008-07-17 11:11:17 -07:00
.gitignore [IA64] Add gate.lds to list of files ignored by Git 2007-11-06 15:39:45 -08:00
acpi-ext.c
acpi-processor.c ACPI: Set _PSD ACPI_PDC_SMP_T_SWCOORD 2008-02-02 02:22:43 -05:00
acpi.c ACPI: handle invalid ACPI SLIT table 2008-06-11 19:13:46 -04:00
asm-offsets.c ia64: use kbuild.h macros instead of defining macros in asm-offsets.c 2008-04-29 08:06:29 -07:00
audit.c
brl_emu.c
crash_dump.c
crash.c [IA64] simplify notify hooks in mca.c 2008-04-22 08:56:38 -07:00
cyclone.c
efi_stub.S
efi.c [IA64] Kernel parameter for max number of concurrent global TLB purges 2008-04-04 11:06:38 -07:00
entry.h
entry.S [IA64] pvops: paravirtualize entry.S 2008-05-27 15:08:01 -07:00
err_inject.c
esi_stub.S
esi.c
fsys.S Pull miscellaneous into release branch 2008-04-17 10:14:51 -07:00
fsyscall_gtod_data.h [IA64] generalize attribute of fsyscall_gtod_data 2008-02-04 15:36:36 -08:00
gate-data.S
gate.lds.S [IA64] increase .data.patch offset 2007-12-07 14:28:02 -08:00
gate.S
head.S [IA64] pvops: add an early setup hook for pv_ops. 2008-05-27 14:39:54 -07:00
ia64_ksyms.c Generic semaphore implementation 2008-04-17 10:42:34 -04:00
init_task.c [PATCH] take init_files to fs/file.c 2008-05-16 17:22:20 -04:00
iosapic.c Pull pvops into release branch 2008-07-17 10:53:37 -07:00
irq_ia64.c [IA64] pvops: add hooks, pv_irq_ops, to paravirtualized irq related operations. 2008-05-27 15:11:10 -07:00
irq_lsapic.c
irq.c [IA64] fix section mismatch in arch/ia64/kernel/irq.c 2008-04-30 14:08:01 -07:00
ivt.S [IA64] pv_ops: move some functions in ivt.S to avoid lack of space. 2008-05-28 09:41:58 -07:00
jprobes.S
kprobes.c [IA64] kprobes: kprobe-booster for ia64 2008-04-09 10:36:43 -07:00
machine_kexec.c vmcoreinfo: fix the configuration dependencies 2008-02-07 08:42:25 -08:00
machvec.c
Makefile [IA64] pvops: paravirtualize NR_IRQS 2008-05-27 15:09:30 -07:00
mca_asm.S [IA64] Add API for allocating Dynamic TR resource. 2008-04-03 11:02:58 -07:00
mca_drv_asm.S [IA64] mca style cleanup 2008-02-04 15:42:06 -08:00
mca_drv.c [IA64] mca style cleanup 2008-02-04 15:42:06 -08:00
mca_drv.h [IA64] mca style cleanup 2008-02-04 15:42:06 -08:00
mca.c on_each_cpu(): kill unused 'retry' parameter 2008-06-26 11:24:38 +02:00
minstate.h [IA64] pvops: paravirtualize minstate.h. 2008-05-27 15:02:17 -07:00
module.c [IA64] adding parameter check to module_free() 2008-07-17 11:22:01 -07:00
msi_ia64.c [IA64] Fix irq migration in multiple vector domain 2008-03-04 14:16:20 -08:00
nr-irqs.c [IA64] pvops: paravirtualize NR_IRQS 2008-05-27 15:09:30 -07:00
numa.c [IA64] Minimize per_cpu reservations. 2008-04-08 13:51:35 -07:00
pal.S
palinfo.c smp_call_function: get rid of the unused nonatomic/retry argument 2008-06-26 11:24:35 +02:00
paravirt_inst.h [IA64] pvops: paravirtualize minstate.h. 2008-05-27 15:02:17 -07:00
paravirt.c [IA64] pvops: add to hooks, pv_time_ops, for steal time accounting. 2008-05-27 15:11:42 -07:00
paravirtentry.S [IA64] pvops: paravirtualize entry.S 2008-05-27 15:08:01 -07:00
patch.c [IA64] Workaround for RSE issue 2008-05-27 13:24:39 -07:00
perfmon_default_smpl.c [IA64] remove remaining __FUNCTION__ occurrences 2008-03-06 09:19:27 -08:00
perfmon_generic.h
perfmon_itanium.h
perfmon_mckinley.h
perfmon_montecito.h
perfmon.c on_each_cpu(): kill unused 'retry' parameter 2008-06-26 11:24:38 +02:00
process.c ACPI : Create "idle=nomwait" bootparam 2008-07-16 23:27:05 +02:00
ptrace.c [IA64] remove duplicate code for register access 2008-03-12 16:28:02 -07:00
relocate_kernel.S
sal.c [IA64] Update check_sal_cache_flush to use platform_send_ipi() 2008-06-11 16:40:33 -07:00
salinfo.c ia64: use non-racy method for proc entries creation 2008-04-29 08:06:21 -07:00
setup.c Pull pvops into release branch 2008-07-17 10:53:37 -07:00
sigframe.h
signal.c [IA64] TS_RESTORE_SIGMASK 2008-05-01 14:29:44 -07:00
smp.c on_each_cpu(): kill unused 'retry' parameter 2008-06-26 11:24:38 +02:00
smpboot.c Pull pvops into release branch 2008-07-17 10:53:37 -07:00
sys_ia64.c
time.c Pull pvops into release branch 2008-07-17 10:53:37 -07:00
topology.c [IA64] fix section mismatch in arch/ia64/kernel/topology.c 2008-04-30 14:08:07 -07:00
traps.c [IA64] honor notify_die() returning NOTIFY_STOP 2008-02-05 08:26:44 -08:00
unaligned.c [IA64] arch/ia64/kernel/: use time_* macros 2008-04-09 10:38:30 -07:00
uncached.c smp_call_function: get rid of the unused nonatomic/retry argument 2008-06-26 11:24:35 +02:00
unwind_decoder.c
unwind_i.h
unwind.c [IA64] remove remaining __FUNCTION__ occurrences 2008-03-06 09:19:27 -08:00
vmlinux.lds.S [IA64] pvops: preparation: move the constants, LOAD_OFFSET, to a header file. 2008-05-27 14:38:18 -07:00