Vasily Averin ca2b459365 bpf: map_seq_next should always increase position index ...

[ Upstream commit 90435a7891a2259b0f74c5a1bc5600d0d64cba8f ]

If seq_file .next fuction does not change position index,
read after some lseek can generate an unexpected output.

See also: https://bugzilla.kernel.org/show_bug.cgi?id=206283

v1 -> v2: removed missed increment in end of function

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/eca84fdd-c374-a154-d874-6c7b55fc3bc4@virtuozzo.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

2020-02-24 08:34:51 +01:00

..

arraymap.c

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bpf_lru_list.c

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bpf_lru_list.h

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btf.c

bpf: btf: check name validity for various types

2019-12-13 08:52:09 +01:00

cgroup.c

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core.c

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cpumap.c

xdp: fix cpumap redirect SKB creation bug

2019-12-05 09:21:24 +01:00

devmap.c

bpf: devmap: fix wrong interface selection in notifier_call

2019-12-01 09:17:01 +01:00

disasm.c

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disasm.h

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hashtab.c

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helpers.c

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inode.c

bpf: map_seq_next should always increase position index

2020-02-24 08:34:51 +01:00

local_storage.c

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lpm_trie.c

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Makefile

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map_in_map.c

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map_in_map.h

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offload.c

bpf, offload: Unlock on error in bpf_offload_dev_create()

2020-01-27 14:51:20 +01:00

percpu_freelist.c

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percpu_freelist.h

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reuseport_array.c

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sockmap.c

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stackmap.c

bpf/stackmap: Fix deadlock with rq_lock in bpf_get_stack()

2019-12-31 16:35:20 +01:00

syscall.c

bpf: drop refcount if bpf_map_new_fd() fails in map_create()

2019-12-05 09:21:15 +01:00

tnum.c

bpf: Fix incorrect verifier simulation of ARSH under ALU32

2020-01-23 08:21:32 +01:00

verifier.c

bpf: Add missed newline in verifier verbose log

2020-01-27 14:50:37 +01:00

xskmap.c

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