AuxXxilium/linux_dsm_epyc7002
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c366287ebd
linux_dsm_epyc7002/kernel/bpf
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Eric Dumazet c366287ebd bpf: fix divides by zero 
Divides by zero are not nice, lets avoid them if possible.

Also do_div() seems not needed when dealing with 32bit operands,
but this seems a minor detail.

Fixes: bd4cf0ed33 ("net: filter: rework/optimize internal BPF interpreter's instruction set")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-01-14 09:03:43 -08:00
..
arraymap.c bpf, array: fix overflow in max_entries and undefined behavior in index_mask 2018-01-10 14:46:39 -08:00
bpf_lru_list.c bpf: lru: Lower the PERCPU_NR_SCANS from 16 to 4 2017-04-17 13:55:52 -04:00
bpf_lru_list.h bpf: Only set node->ref = 1 if it has not been set 2017-09-01 09:57:39 -07:00
cgroup.c bpf, cgroup: implement eBPF-based device controller for cgroup v2 2017-11-05 23:26:51 +09:00
core.c bpf: fix divides by zero 2018-01-14 09:03:43 -08:00
cpumap.c bpf: cpumap micro-optimization in cpu_map_enqueue 2017-11-02 16:13:14 +09:00
devmap.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-10-22 13:39:14 +01:00
disasm.c bpf: move instruction printing into a separate file 2017-10-10 12:30:16 -07:00
disasm.h bpf: move instruction printing into a separate file 2017-10-10 12:30:16 -07:00
hashtab.c bpf: add schedule points to map alloc/free 2017-12-12 15:27:22 -08:00
helpers.c
inode.c fix "netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info_v1'" 2018-01-05 11:43:39 -05:00
lpm_trie.c bpf: Add file mode configuration into bpf maps 2017-10-20 13:32:59 +01:00
Makefile bpf: offload: add infrastructure for loading programs for a specific netdev 2017-11-05 22:26:18 +09:00
map_in_map.c bpf: Add syscall lookup support for fd array and htab 2017-06-29 13:13:25 -04:00
map_in_map.h bpf: Add syscall lookup support for fd array and htab 2017-06-29 13:13:25 -04:00
offload.c bpf: offload: add a license header 2017-11-27 22:24:51 +01:00
percpu_freelist.c bpf: fix lockdep splat 2017-11-15 19:46:32 +09:00
percpu_freelist.h
sockmap.c bpf: sockmap missing NULL psock check 2018-01-07 00:01:46 +01:00
stackmap.c bpf: Add file mode configuration into bpf maps 2017-10-20 13:32:59 +01:00
syscall.c fix "netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info_v1'" 2018-01-05 11:43:39 -05:00
tnum.c bpf/verifier: track signed and unsigned min/max values 2017-08-08 17:51:34 -07:00
verifier.c bpf: arsh is not supported in 32 bit alu thus reject it 2018-01-10 14:42:22 -08:00