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Daniel Borkmann e572ff80f0 bpf: Make 32->64 bounds propagation slightly more robust 
Make the bounds propagation in __reg_assign_32_into_64() slightly more
robust and readable by aligning it similarly as we did back in the
__reg_combine_64_into_32() counterpart. Meaning, only propagate or
pessimize them as a smin/smax pair.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
2021-12-16 19:45:56 +01:00
..
preload
bpf/preload: Clean up .gitignore and "clean-files" target
2021-10-20 10:39:04 -07:00
arraymap.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-10-28 10:43:58 -07:00
bloom_filter.c
bpf: Add missing map_delete_elem method to bloom filter map
2021-11-01 14:22:44 -07:00
bpf_inode_storage.c
bpf: Fix spelling mistakes
2021-05-24 21:13:05 -07:00
bpf_iter.c
bpf: Refactor BPF_PROG_RUN into a function
2021-08-17 00:45:07 +02:00
bpf_local_storage.c
bpf: Prevent deadlock from recursive bpf_task_storage_[get|delete]
2021-02-26 11:51:48 -08:00
bpf_lru_list.c
bpf_lru_list: Read double-checked variable once without lock
2021-02-10 15:54:26 -08:00
bpf_lru_list.h
bpf: Fix a typo "inacitve" -> "inactive"
2020-04-06 21:54:10 +02:00
bpf_lsm.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2021-06-17 11:54:56 -07:00
bpf_struct_ops_types.h
bpf: Add dummy BPF STRUCT_OPS for test purpose
2021-11-01 14:10:00 -07:00
bpf_struct_ops.c
bpf: Add dummy BPF STRUCT_OPS for test purpose
2021-11-01 14:10:00 -07:00
bpf_task_storage.c
bpf: Consolidate task_struct BTF_ID declarations
2021-08-25 10:37:05 -07:00
btf.c
bpf: Fix bpf_check_mod_kfunc_call for built-in modules
2021-12-02 13:39:46 -08:00
cgroup.c
bpf: Forbid bpf_ktime_get_coarse_ns and bpf_timer_* in tracing progs
2021-11-15 20:35:58 -08:00
core.c
bpf: Stop caching subprog index in the bpf_pseudo_func insn
2021-11-06 12:54:12 -07:00
cpumap.c
bpf: cpumap: Implement generic cpumap
2021-07-07 20:01:45 -07:00
devmap.c
bpf, devmap: Exclude XDP broadcast to master device
2021-08-09 23:25:14 +02:00
disasm.c
bpf: Relicense disassembler as GPL-2.0-only OR BSD-2-Clause
2021-09-02 14:49:23 +02:00
disasm.h
bpf: Relicense disassembler as GPL-2.0-only OR BSD-2-Clause
2021-09-02 14:49:23 +02:00
dispatcher.c
bpf: Remove bpf_image tree
2020-03-13 12:49:52 -07:00
hashtab.c
bpf: Replace callers of BPF_CAST_CALL with proper function typedef
2021-09-28 16:27:18 -07:00
helpers.c
bpf: Forbid bpf_ktime_get_coarse_ns and bpf_timer_* in tracing progs
2021-11-15 20:35:58 -08:00
inode.c
bpf: Fix regression on BPF_OBJ_GET with non-O_RDWR flags
2021-06-22 14:57:43 +02:00
Kconfig
bpf: Disallow unprivileged bpf by default
2021-11-01 17:06:47 +01:00
local_storage.c
bpf: Increase supported cgroup storage value size
2021-07-27 15:59:29 -07:00
lpm_trie.c
bpf: Allow RCU-protected lookups to happen from bh context
2021-06-24 19:41:15 +02:00
Makefile
bpf: Add bloom filter map implementation
2021-10-28 13:22:49 -07:00
map_in_map.c
bpf: Remember BTF of inner maps.
2021-07-15 22:31:10 +02:00
map_in_map.h
bpf: Add map_meta_equal map ops
2020-08-28 15:41:30 +02:00
map_iter.c
bpf: Implement link_query callbacks in map element iterators
2020-08-21 14:01:39 -07:00
net_namespace.c
bpf: Add support for forced LINK_DETACH command
2020-08-01 20:38:28 -07:00
offload.c
bpf, offload: Replace bitwise AND by logical AND in bpf_prog_offload_info_fill
2020-02-17 16:53:49 +01:00
percpu_freelist.c
bpf: Use raw_spin_trylock() for pcpu_freelist_push/pop in NMI
2020-10-06 00:04:11 +02:00
percpu_freelist.h
bpf: Use raw_spin_trylock() for pcpu_freelist_push/pop in NMI
2020-10-06 00:04:11 +02:00
prog_iter.c
bpf: Refactor bpf_iter_reg to have separate seq_info member
2020-07-25 20:16:32 -07:00
queue_stack_maps.c
bpf: Eliminate rlimit-based memory accounting for queue_stack_maps maps
2020-12-02 18:32:46 -08:00
reuseport_array.c
bpf: Fix spelling mistakes
2021-05-24 21:13:05 -07:00
ringbuf.c
bpf: Fix false positive kmemleak report in bpf_ringbuf_area_alloc()
2021-06-28 15:57:46 +02:00
stackmap.c
bpf: Fix integer overflow in prealloc_elems_and_freelist()
2021-09-30 16:17:23 +02:00
syscall.c
bpf: Fix toctou on read-only map's constant scalar tracking
2021-11-15 20:47:07 -08:00
sysfs_btf.c
bpf: Load and verify kernel module BTFs
2020-11-10 15:25:53 -08:00
task_iter.c
bpf: Consolidate task_struct BTF_ID declarations
2021-08-25 10:37:05 -07:00
tnum.c
bpf, tnums: Provably sound, faster, and more precise algorithm for tnum_mul
2021-06-01 13:34:15 +02:00
trampoline.c
bpf: Use u64_stats_t in struct bpf_prog_stats
2021-10-27 11:13:52 -07:00
verifier.c
bpf: Make 32->64 bounds propagation slightly more robust
2021-12-16 19:45:56 +01:00