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84060ea3e0b6294abde57b85502ccf9fa65f94de
linux/arch/s390/kernel
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Heiko Carstens ae952eea6f s390/entry: Fix last breaking event handling in case of stack corruption 
In case of stack corruption stack_invalid() is called and the expectation
is that register r10 contains the last breaking event address. This
dependency is quite subtle and broke a couple of years ago without that
anybody noticed.

Fix this by getting rid of the dependency and read the last breaking event
address from lowcore.

Fixes: 56e62a7370 ("s390: convert to generic entry")
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2025-05-05 15:46:34 +02:00
..
diag
s390: Use inline qualifier for all EX_TABLE and ALTERNATIVE inline assemblies
2025-03-18 17:13:51 +01:00
syscalls
fs: add open_tree_attr()
2025-02-12 12:12:28 +01:00
vdso32
s390/vdso: Switch to generic storage implementation
2025-02-21 09:54:02 +01:00
vdso64
s390/vdso: Switch to generic storage implementation
2025-02-21 09:54:02 +01:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
abs_lowcore.c
s390/lowcore: Convert relocated lowcore alternative to machine feature
2025-03-04 17:18:05 +01:00
alternative.c
s390/alternatives: Add debug functionality
2025-03-04 17:18:08 +01:00
asm-offsets.c
s390/asm-offsets: Remove ASM_OFFSETS_C
2025-03-31 12:20:39 +02:00
audit.c
audit: add support for the openat2 syscall
2021-10-01 16:52:48 -04:00
audit.h
…
cache.c
s390/cache: prevent rebuild of shared_cpu_list
2024-03-07 14:41:15 +01:00
cert_store.c
s390: Use inline qualifier for all EX_TABLE and ALTERNATIVE inline assemblies
2025-03-18 17:13:51 +01:00
compat_audit.c
audit: add support for the openat2 syscall
2021-10-01 16:52:48 -04:00
compat_linux.c
s390: use generic UID16 implementation
2019-01-18 09:33:18 +01:00
compat_linux.h
s390/compat: cleanup compat_linux.h header file
2022-05-06 20:45:16 +02:00
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/cpacf: Constify 'struct bin_attribute'
2025-01-07 10:05:35 +01:00
cpcmd.c
s390/cpcmd: Convert to use flag output macros
2024-11-13 14:31:32 +01:00
cpufeature.c
s390/uvdevice: autoload module based on CPU facility
2022-07-19 16:18:49 +02:00
crash_dump.c
s390/crash: Use note name macros
2025-02-10 16:56:58 -08:00
ctlreg.c
s390/ctlreg: add system_ctl_load()
2023-09-19 13:26:57 +02:00
debug.c
treewide: const qualify ctl_tables where applicable
2025-01-28 13:48:37 +01:00
dis.c
s390/disassembler: Remove duplicate instruction format RSY_RDRU
2024-09-12 14:13:27 +02:00
dumpstack.c
s390/asm-offsets: Remove ASM_OFFSETS_C
2025-03-31 12:20:39 +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/asm-offsets: Remove ASM_OFFSETS_C
2025-03-31 12:20:39 +02:00
ebcdic.c
s390/ebcdic: fix typo in comment
2023-07-27 13:11:35 +02:00
entry.h
s390/traps: Change stack overflow message
2025-03-04 17:34:03 +01:00
entry.S
s390/entry: Fix last breaking event handling in case of stack corruption
2025-05-05 15:46:34 +02:00
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
Merge tag 's390-6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2025-03-29 11:59:43 -07:00
ftrace.h
s390/ftrace: Remove unused ftrace_plt_template*
2024-08-27 20:16:48 +02:00
guarded_storage.c
s390/cpufeature: Convert MACHINE_HAS_GS to cpu_has_gs()
2025-03-04 17:18:04 +01:00
head64.S
s390/time: Convert MACHINE_HAS_SCC to machine_has_scc()
2025-03-04 17:18:06 +01:00
hiperdispatch.c
s390/cpufeature: Convert MACHINE_HAS_TOPOLOGY to cpu_has_topology()
2025-03-04 17:18:05 +01:00
idle.c
s390/idle: Remove duplicate get_lowcore() calls
2024-06-18 17:01:33 +02:00
ima_arch.c
s390/kexec_file: Disable kexec_load when IPLed secure
2019-04-29 10:44:03 +02:00
ipl_vmparm.c
s390/cio: remove unused include linux/spinlock.h from cio.h
2021-07-27 09:39:13 +02:00
ipl.c
s390: Use inline qualifier for all EX_TABLE and ALTERNATIVE inline assemblies
2025-03-18 17:13:51 +01:00
irq.c
Merge tag 's390-6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2025-03-29 11:59:43 -07:00
jump_label.c
jump_label: make initial NOP patching the special case
2022-06-24 09:48:55 +02:00
kdebugfs.c
s390: no need to check return value of debugfs_create functions
2019-01-28 15:58:55 +01:00
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/cpufeature: Convert MACHINE_HAS_SEQ_INSN to cpu_has_seq_insn()
2025-03-04 17:18:04 +01:00
lgr.c
s390: kernel: convert timeouts to use secs_to_jiffies()
2025-01-12 20:21:01 -08:00
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
s390/kaslr: add support for R_390_JMP_SLOT relocation type
2020-05-20 10:13:27 +02:00
machine_kexec.c
s390: Convert MACHINE_IS_[LPAR|VM|KVM], etc, machine_is_[lpar|vm|kvm]()
2025-03-04 17:18:07 +01:00
Makefile
s390/diag: Move diag.c to diag specific folder
2024-12-17 12:46:14 +01:00
mcount.S
s390/tracing: Enable HAVE_FTRACE_GRAPH_FUNC
2024-12-26 10:50:05 -05:00
module.c
arch: make execmem setup available regardless of CONFIG_MODULES
2024-05-14 00:31:44 -07:00
nmi.c
s390/cpufeature: Convert MACHINE_HAS_GS to cpu_has_gs()
2025-03-04 17:18:04 +01:00
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
mm/memblock: add memblock_alloc_or_panic interface
2025-01-25 20:22:38 -08:00
os_info.c
s390: Remove __bootdata annotations from declarations
2024-12-15 16:19:04 +01:00
perf_cpum_cf_events.c
s390/cpumf: Update CPU Measurement facility extended counter set support
2025-04-09 12:12:41 +02:00
perf_cpum_cf.c
s390/cpumf: Fix double free on error in cpumf_pmu_event_init()
2025-04-09 12:12:42 +02:00
perf_cpum_sf.c
s390/cpumf: Fix double free on error in cpumf_pmu_event_init()
2025-04-09 12:12:42 +02:00
perf_event.c
Merge tag 'perf-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2024-11-19 13:34:06 -08:00
perf_pai_crypto.c
perf: Supply task information to sched_task()
2025-03-17 11:23:37 +01:00
perf_pai_ext.c
perf: Supply task information to sched_task()
2025-03-17 11:23:37 +01:00
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: Add z17 elf platform
2025-04-09 12:12:41 +02:00
ptrace.c
s390/ptrace: Avoid KASAN false positives in regs_get_kernel_stack_nth()
2025-03-18 17:13:05 +01:00
reipl.S
s390/kdump: Make kdump ready for lowcore relocation
2024-07-23 16:02:32 +02:00
relocate_kernel.S
s390/relocate_kernel: adjust indentation
2023-04-19 17:24:18 +02:00
rethook.c
s390/rethook: add local rethook header file
2023-02-06 11:13:53 +01:00
rethook.h
s390/rethook: add local rethook header file
2023-02-06 11:13:53 +01:00
runtime_instr.c
s390/runtime_instrumentation: fix storage key handling
2020-08-17 13:17:10 +02:00
setup.c
s390/lowcore: Remove unused machine_flags
2025-03-31 12:20:39 +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: Add support for HOTPLUG_SMT
2025-03-31 12:20:39 +02:00
stacktrace.c
s390/asm-offsets: Remove ASM_OFFSETS_C
2025-03-31 12:20:39 +02:00
sthyi.c
s390/sthyi: Convert to use flag output macros
2024-11-13 14:31:31 +01:00
syscall.c
s390: Remove 2k vs 4k page table leftovers
2025-03-18 17:13:05 +01:00
sysinfo.c
s390: Convert MACHINE_IS_[LPAR|VM|KVM], etc, machine_is_[lpar|vm|kvm]()
2025-03-04 17:18:07 +01:00
text_amode31.S
s390/amode31: Use exrl instead of ex
2025-01-13 09:50:17 +01:00
time.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
topology.c
s390/cpufeature: Convert MACHINE_HAS_TOPOLOGY to cpu_has_topology()
2025-03-04 17:18:05 +01:00
trace.c
s390/ftrace: fix potential crashes when switching tracers
2020-04-22 16:20:55 +02:00
traps.c
Merge tag 's390-6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2025-03-29 11:59:43 -07:00
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
KVM: s390: pv: fix race when making a page secure
2025-03-14 15:24:19 +01:00
vdso.c
mseal sysmap: enable s390
2025-04-01 15:17:16 -07:00
vmcore_info.c
s390: Remove __bootdata annotations from declarations
2024-12-15 16:19:04 +01:00
vmlinux.lds.S
s390/fpu: Add fpc exception handler / remove fixup section again
2025-01-26 17:24:04 +01:00
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