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Ilya Leoshkevich 54ac8339ae s390/bpf: Fix 64-bit subtraction of the -0x80000000 constant 
commit 6e61dc9da0b7a0d91d57c2e20b5ea4fd2d4e7e53 upstream.

The JIT uses agfi for subtracting constants, but -(-0x80000000) cannot
be represented as a 32-bit signed binary integer. Fix by using algfi in
this particular case.

Reported-by: Johan Almbladh <johan.almbladh@anyfinetworks.com>
Fixes: 0546231057 ("s390/bpf: Add s390x eBPF JIT compiler backend")
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2021-09-22 12:26:46 +02:00
..
alpha alpha: Send stop IPI to send to online CPUs 2021-08-12 13:21:05 +02:00
arc ARC: export clear_user_page() for modules 2021-09-22 12:26:45 +02:00
arm ARM: tegra: tamonten: Fix UART pad setting 2021-09-22 12:26:32 +02:00
arm64 arm64/sve: Use correct size when reinitialising SVE state 2021-09-22 12:26:39 +02:00
c6x mm: consolidate pgtable_cache_init() and pgd_cache_init() 2019-09-24 15:54:09 -07:00
csky csky: change a Kconfig symbol name to fix e1000 build error 2021-04-28 13:19:16 +02:00
h8300 h8300: fix PREEMPTION build, TI_PRE_COUNT undefined 2021-02-17 10:35:18 +01:00
hexagon hexagon: use common DISCARDS macro 2021-07-20 16:10:50 +02:00
ia64 ia64: mca_drv: fix incorrect array size calculation 2021-07-14 16:53:19 +02:00
m68k m68knommu: only set CONFIG_ISA_DMA_API for ColdFire sub-arch 2021-09-22 12:26:34 +02:00
microblaze microblaze: Prevent the overflow of the start 2020-02-24 08:37:02 +01:00
mips MIPS: Malta: fix alignment of the devicetree buffer 2021-09-22 12:26:26 +02:00
nds32 nds32: fix up stack guard gap 2021-07-28 13:31:01 +02:00
nios2 nios2 update for v5.4-rc1 2019-09-27 13:02:19 -07:00
openrisc openrisc: don't printk() unconditionally 2021-09-22 12:26:24 +02:00
parisc parisc: fix crash with signals and alloca 2021-09-22 12:26:37 +02:00
powerpc KVM: PPC: Book3S HV: Tolerate treclaim. in fake-suspend mode changing registers 2021-09-22 12:26:42 +02:00
riscv bpf: Introduce BPF nospec instruction for mitigating Spectre v4 2021-09-15 09:47:38 +02:00
s390 s390/bpf: Fix 64-bit subtraction of the -0x80000000 constant 2021-09-22 12:26:46 +02:00
sh sh: dma: fix kconfig dependency for G2_DMA 2021-01-27 11:47:52 +01:00
sparc bpf: Introduce BPF nospec instruction for mitigating Spectre v4 2021-09-15 09:47:38 +02:00
um um: fix error return code in winch_tramp() 2021-07-20 16:10:49 +02:00
unicore32 mm: treewide: clarify pgtable_page_{ctor,dtor}() naming 2019-09-26 10:10:44 -07:00
x86 x86/mm: Fix kern_addr_valid() to cope with existing but not present entries 2021-09-22 12:26:40 +02:00
xtensa xtensa: ISS: don't panic in rs_init 2021-09-22 12:26:30 +02:00
.gitignore
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Kconfig Revert: "ring-buffer: Remove HAVE_64BIT_ALIGNED_ACCESS" 2020-12-30 11:51:47 +01:00