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f6ee298fa1
After previous commit, we are minimizing helper specific assumptions from check_func_arg_reg_off, making it generic, and offloading checks for a specific argument type to their respective functions called after check_func_arg_reg_off has been called. This allows relying on a consistent set of guarantees after that call and then relying on them in code that deals with registers for each argument type later. This is in line with how process_spin_lock, process_timer_func, process_kptr_func check reg->var_off to be constant. The same reasoning is used here to move the alignment check into process_dynptr_func. Note that it also needs to check for constant var_off, and accumulate the constant var_off when computing the spi in get_spi, but that fix will come in later changes. Acked-by: Joanne Koong <joannelkoong@gmail.com> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://lore.kernel.org/r/20221207204141.308952-6-memxor@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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| .. | ||
| preload | ||
| arraymap.c | ||
| bloom_filter.c | ||
| bpf_cgrp_storage.c | ||
| bpf_inode_storage.c | ||
| bpf_iter.c | ||
| bpf_local_storage.c | ||
| bpf_lru_list.c | ||
| bpf_lru_list.h | ||
| bpf_lsm.c | ||
| bpf_struct_ops.c | ||
| bpf_struct_ops_types.h | ||
| bpf_task_storage.c | ||
| btf.c | ||
| cgroup.c | ||
| cgroup_iter.c | ||
| core.c | ||
| cpumap.c | ||
| devmap.c | ||
| disasm.c | ||
| disasm.h | ||
| dispatcher.c | ||
| hashtab.c | ||
| helpers.c | ||
| inode.c | ||
| Kconfig | ||
| link_iter.c | ||
| local_storage.c | ||
| lpm_trie.c | ||
| Makefile | ||
| map_in_map.c | ||
| map_in_map.h | ||
| map_iter.c | ||
| memalloc.c | ||
| mmap_unlock_work.h | ||
| net_namespace.c | ||
| offload.c | ||
| percpu_freelist.c | ||
| percpu_freelist.h | ||
| prog_iter.c | ||
| queue_stack_maps.c | ||
| reuseport_array.c | ||
| ringbuf.c | ||
| stackmap.c | ||
| syscall.c | ||
| sysfs_btf.c | ||
| task_iter.c | ||
| tnum.c | ||
| trampoline.c | ||
| verifier.c | ||