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linux/arch/s390/kernel
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Niklas Schnelle 897614f90f s390/debug: Pass in and enforce output buffer size for format handlers 
The s390dbf format handler rely on being passed an output buffer sized
such that their output will always fit and then use plain sprintf() to
write to it. While only supplied data from other kernel components this
still potentially allows buffer overwrite if callers are not careful.
Instead just pass in the size of the output buffer and use scnprintf()
instead of sprintf() and strscpy() instead of strcpy(). The latter also
allows us to get rid of a separate strlen() call.

Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2024-11-21 12:44:06 +01:00
..
syscalls s390 updates for 6.13 merge window 2024-11-18 17:45:41 -08:00
vdso32 more s390 updates for 6.10 merge window 2024-05-21 12:09:36 -07:00
vdso64 s390/vdso: Use one large alternative instead of an alternative branch 2024-09-23 17:57:04 +02:00
.gitignore
abs_lowcore.c s390: Add infrastructure to patch lowcore accesses 2024-07-23 16:02:32 +02:00
alternative.c s390: Add infrastructure to patch lowcore accesses 2024-07-23 16:02:32 +02:00
asm-offsets.c s390: Remove gmap pointer from lowcore 2024-10-29 11:49:19 +01:00
audit.c
audit.h
cache.c s390/cache: prevent rebuild of shared_cpu_list 2024-03-07 14:41:15 +01:00
cert_store.c fix missing vmalloc.h includes 2024-04-25 20:55:49 -07:00
compat_audit.c
compat_linux.c
compat_linux.h
compat_ptrace.h
compat_signal.c s390/vdso: Move vdso symbol handling to separate header file 2024-09-13 17:28:36 +02:00
cpacf.c s390/crypto: Display Query and Query Authentication Information in sysfs 2024-09-12 14:13:27 +02:00
cpcmd.c s390/cpcmd: Convert to use flag output macros 2024-11-13 14:31:32 +01:00
cpufeature.c
crash_dump.c s390/kdump: Provide is_kdump_kernel() implementation 2024-10-25 16:03:23 +02:00
ctlreg.c s390/ctlreg: add system_ctl_load() 2023-09-19 13:26:57 +02:00
debug.c s390/debug: Pass in and enforce output buffer size for format handlers 2024-11-21 12:44:06 +01:00
diag.c s390/diag: Convert to use flag output macros 2024-11-13 14:31:33 +01:00
dis.c s390/disassembler: Remove duplicate instruction format RSY_RDRU 2024-09-12 14:13:27 +02:00
dumpstack.c s390: Replace S390_lowcore by get_lowcore() 2024-06-18 17:01:33 +02:00
early_printk.c s390/early: Dump register contents and call trace for early crashes 2024-08-22 19:28:11 +02:00
early.c s390/setup: Recognize sequential instruction fetching facility 2024-08-29 22:56:34 +02:00
ebcdic.c s390/ebcdic: fix typo in comment 2023-07-27 13:11:35 +02:00
entry.h s390/switch_to: use generic header file 2024-02-12 15:03:33 +01:00
entry.S s390/mm/fault: Handle guest-related program interrupts in KVM 2024-10-29 11:49:18 +01:00
facility.c KVM: s390: vsie: Fix length of facility list shadowed 2023-12-23 10:41:09 +01:00
fpu.c s390/fpu: Re-add exception handling in load_fpu_state() 2024-07-31 16:30:20 +02:00
ftrace.c s390/ftrace: Avoid extra serialization for graph caller patching 2024-08-29 22:56:34 +02:00
ftrace.h s390/ftrace: Remove unused ftrace_plt_template* 2024-08-27 20:16:48 +02:00
guarded_storage.c s390: use control register bit defines 2023-09-19 13:26:57 +02:00
head64.S s390/head64: Make startup code ready for lowcore relocation 2024-07-23 16:02:32 +02:00
hiperdispatch.c s390/hiperdispatch: Add hiperdispatch debug counters 2024-08-29 22:56:35 +02:00
idle.c s390/idle: Remove duplicate get_lowcore() calls 2024-06-18 17:01:33 +02:00
ima_arch.c
ipl_vmparm.c
ipl.c s390/dump: Add firmware sysfs attribute for dump area size 2024-11-12 14:01:27 +01:00
irq.c s390/irq: Convert to use flag output macros 2024-11-13 14:31:32 +01:00
jump_label.c
kdebugfs.c
kexec_elf.c s390, crash: wrap crash dumping code into crash related ifdefs 2024-02-23 17:48:23 -08:00
kexec_image.c s390, crash: wrap crash dumping code into crash related ifdefs 2024-02-23 17:48:23 -08:00
kprobes.c s390/kprobes: Avoid stop machine if possible 2024-08-29 22:56:34 +02:00
lgr.c
machine_kexec_file.c s390, crash: wrap crash dumping code into crash related ifdefs 2024-02-23 17:48:23 -08:00
machine_kexec_reloc.c
machine_kexec.c s390/kdump: Make kdump ready for lowcore relocation 2024-07-23 16:02:32 +02:00
Makefile s390/crypto: Display Query and Query Authentication Information in sysfs 2024-09-12 14:13:27 +02:00
mcount.S s390: Use MARCH_HAS_*_FEATURES defines 2024-09-07 17:12:42 +02:00
module.c arch: make execmem setup available regardless of CONFIG_MODULES 2024-05-14 00:31:44 -07:00
nmi.c s390/nmi: Remove duplicate get_lowcore() calls 2024-06-18 17:01:33 +02:00
nospec-branch.c s390/nospec: Push down alternative handling 2024-07-23 16:02:31 +02:00
nospec-sysfs.c s390/nospec: Switch over to sysfs_emit() 2024-10-25 16:03:24 +02:00
numa.c arch, mm: move definition of node_data to generic code 2024-09-03 21:15:28 -07:00
os_info.c s390: Fix various typos 2024-10-25 16:03:23 +02:00
perf_cpum_cf_events.c s390/cpum_cf: make crypto counters upward compatible across machine types 2024-04-09 17:29:56 +02:00
perf_cpum_cf.c s390/perf_cpum_cf: Convert to use local64_try_cmpxchg() 2024-11-12 14:01:29 +01:00
perf_cpum_sf.c s390/perf_cpum_sf: Convert to use try_cmpxchg128() 2024-11-12 14:01:29 +01:00
perf_event.c Performance events changes for v6.13: 2024-11-19 13:34:06 -08:00
perf_pai_crypto.c s390/pai_crypto: Add support for MSA 10 and 11 pai counters 2024-09-05 15:17:23 +02:00
perf_pai_ext.c s390/pai_ext: Update PAI extension 1 counters 2024-09-05 15:17:23 +02:00
perf_regs.c s390/fpu: remove anonymous union from struct fpu 2024-02-16 14:30:16 +01:00
process.c s390: Replace S390_lowcore by get_lowcore() 2024-06-18 17:01:33 +02:00
processor.c s390/alternatives: Move text sync functions 2024-07-23 16:02:31 +02:00
ptrace.c s390/fpu: remove anonymous union from struct fpu 2024-02-16 14:30:16 +01:00
reipl.S s390/kdump: Make kdump ready for lowcore relocation 2024-07-23 16:02:32 +02:00
relocate_kernel.S
rethook.c
rethook.h
runtime_instr.c
setup.c s390/mm: Prevent lowcore vs identity mapping overlap 2024-08-21 16:14:45 +02:00
signal.c s390/vdso: Move vdso symbol handling to separate header file 2024-09-13 17:28:36 +02:00
smp.c s390/smp: Switch over to sysfs_emit() 2024-10-25 16:03:24 +02:00
stacktrace.c s390/ftrace: Avoid calling unwinder in ftrace_return_address() 2024-08-27 20:16:48 +02:00
sthyi.c s390/sthyi: Convert to use flag output macros 2024-11-13 14:31:31 +01:00
syscall.c s390 updates for 6.11 merge window 2024-07-18 15:41:45 -07:00
sysinfo.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
text_amode31.S s390/hypfs_diag0c: fix virtual vs physical address confusion 2024-02-09 13:58:13 +01:00
time.c s390/time: Switch over to sysfs_emit() 2024-10-25 16:03:23 +02:00
topology.c s390/topology: Convert to use flag output macros 2024-11-13 14:31:31 +01:00
trace.c
traps.c s390/mm/fault: Handle guest-related program interrupts in KVM 2024-10-29 11:49:18 +01:00
unwind_bc.c s390/unwind: disable KMSAN checks 2024-07-03 19:30:25 -07:00
uprobes.c s390/switch_to: use generic header file 2024-02-12 15:03:33 +01:00
uv.c s390/uv: Retrieve UV secrets sysfs support 2024-10-29 11:17:17 +01:00
vdso.c s390/vdso: Wire up getrandom() vdso implementation 2024-09-13 20:57:31 +02:00
vmcore_info.c s390/vmcoreinfo: Store virtual memory layout 2024-04-17 13:38:01 +02:00
vmlinux.lds.S asm-generic updates for 6.12 2024-09-26 11:54:40 -07:00
vtime.c s390/vtime: Remove duplicate get_lowcore() calls 2024-06-18 17:01:33 +02:00
wti.c s390/wti: Add debugfs file to display missed grace periods per cpu 2024-08-29 22:56:35 +02:00