b6407a85f0
Update to the latest upstream commit 47216437e79a ("Fix "net" command on
kernel configured with CONFIG_IPV6=m")
Resolves: rhbz#2166880
Resolves: rhbz#2161133
Resolves: rhbz#2158721
Resolves: rhbz#2156904
Resolves: rhbz#2156898
Resolves: rhbz#2156892
Resolves: rhbz#2156889
Resolves: rhbz#2156885
Resolves: rhbz#2152619
Signed-off-by: Lianbo Jiang <lijiang@redhat.com>
119 lines
4.5 KiB
Diff
119 lines
4.5 KiB
Diff
From 0242075b6b4321419790f196c405c088394b9462 Mon Sep 17 00:00:00 2001
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From: Lianbo Jiang <lijiang@redhat.com>
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Date: Mon, 23 May 2022 18:04:14 +0800
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Subject: [PATCH 03/89] sbitmapq: fix invalid offset for
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"sbitmap_queue_alloc_hint" on Linux v5.13-rc1
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Kernel commit c548e62bcf6a ("scsi: sbitmap: Move allocation hint
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into sbitmap") moved the alloc_hint member from struct sbitmap_queue
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to struct sbitmap. Without the patch, the sbitmapq will fail:
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crash> sbitmapq 0xffff8e99d0dc8010
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sbitmapq: invalid structure member offset: sbitmap_queue_alloc_hint
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FILE: sbitmap.c LINE: 365 FUNCTION: sbitmap_queue_context_load()
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Signed-off-by: Lianbo Jiang <lijiang@redhat.com>
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---
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defs.h | 2 ++
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sbitmap.c | 14 ++++++++++++--
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symbols.c | 2 ++
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3 files changed, 16 insertions(+), 2 deletions(-)
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diff --git a/defs.h b/defs.h
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index 984348062bcb..8b4cc38f73bf 100644
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--- a/defs.h
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+++ b/defs.h
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@@ -2168,6 +2168,7 @@ struct offset_table { /* stash of commonly-used offsets */
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long sbitmap_queue_min_shallow_depth;
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long sbq_wait_state_wait_cnt;
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long sbq_wait_state_wait;
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+ long sbitmap_alloc_hint;
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};
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struct size_table { /* stash of commonly-used sizes */
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@@ -5915,6 +5916,7 @@ struct sbitmap_context {
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unsigned shift;
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unsigned map_nr;
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ulong map_addr;
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+ ulong alloc_hint;
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};
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typedef bool (*sbitmap_for_each_fn)(unsigned int idx, void *p);
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diff --git a/sbitmap.c b/sbitmap.c
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index 7693eef6cebd..2921d5447c65 100644
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--- a/sbitmap.c
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+++ b/sbitmap.c
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@@ -285,6 +285,7 @@ void sbitmap_for_each_set(const struct sbitmap_context *sc,
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static void sbitmap_queue_show(const struct sbitmap_queue_context *sqc,
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const struct sbitmap_context *sc)
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{
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+ ulong alloc_hint_addr = 0;
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int cpus = get_cpus_possible();
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int sbq_wait_state_size, wait_cnt_off, wait_off, list_head_off;
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char *sbq_wait_state_buf;
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@@ -297,6 +298,11 @@ static void sbitmap_queue_show(const struct sbitmap_queue_context *sqc,
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fprintf(fp, "bits_per_word = %u\n", 1U << sc->shift);
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fprintf(fp, "map_nr = %u\n", sc->map_nr);
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+ if (VALID_MEMBER(sbitmap_queue_alloc_hint))
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+ alloc_hint_addr = sqc->alloc_hint;
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+ else if (VALID_MEMBER(sbitmap_alloc_hint)) /* 5.13 and later */
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+ alloc_hint_addr = sc->alloc_hint;
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+
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fputs("alloc_hint = {", fp);
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first = true;
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for (i = 0; i < cpus; i++) {
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@@ -307,7 +313,7 @@ static void sbitmap_queue_show(const struct sbitmap_queue_context *sqc,
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fprintf(fp, ", ");
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first = false;
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- ptr = kt->__per_cpu_offset[i] + sqc->alloc_hint;
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+ ptr = kt->__per_cpu_offset[i] + alloc_hint_addr;
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readmem(ptr, KVADDR, &val, sizeof(val), "alloc_hint", FAULT_ON_ERROR);
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fprintf(fp, "%u", val);
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@@ -362,7 +368,8 @@ static void sbitmap_queue_context_load(ulong addr, struct sbitmap_queue_context
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error(FATAL, "cannot read sbitmap_queue\n");
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}
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- sqc->alloc_hint = ULONG(sbitmap_queue_buf + OFFSET(sbitmap_queue_alloc_hint));
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+ if (VALID_MEMBER(sbitmap_queue_alloc_hint))
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+ sqc->alloc_hint = ULONG(sbitmap_queue_buf + OFFSET(sbitmap_queue_alloc_hint));
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sqc->wake_batch = UINT(sbitmap_queue_buf + OFFSET(sbitmap_queue_wake_batch));
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sqc->wake_index = INT(sbitmap_queue_buf + OFFSET(sbitmap_queue_wake_index));
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sqc->ws_addr = ULONG(sbitmap_queue_buf + OFFSET(sbitmap_queue_ws));
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@@ -387,6 +394,8 @@ void sbitmap_context_load(ulong addr, struct sbitmap_context *sc)
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sc->shift = UINT(sbitmap_buf + OFFSET(sbitmap_shift));
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sc->map_nr = UINT(sbitmap_buf + OFFSET(sbitmap_map_nr));
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sc->map_addr = ULONG(sbitmap_buf + OFFSET(sbitmap_map));
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+ if (VALID_MEMBER(sbitmap_alloc_hint))
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+ sc->alloc_hint = ULONG(sbitmap_buf + OFFSET(sbitmap_alloc_hint));
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FREEBUF(sbitmap_buf);
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}
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@@ -512,6 +521,7 @@ void sbitmapq_init(void)
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MEMBER_OFFSET_INIT(sbitmap_shift, "sbitmap", "shift");
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MEMBER_OFFSET_INIT(sbitmap_map_nr, "sbitmap", "map_nr");
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MEMBER_OFFSET_INIT(sbitmap_map, "sbitmap", "map");
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+ MEMBER_OFFSET_INIT(sbitmap_alloc_hint, "sbitmap", "alloc_hint");
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MEMBER_OFFSET_INIT(sbitmap_queue_sb, "sbitmap_queue", "sb");
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MEMBER_OFFSET_INIT(sbitmap_queue_alloc_hint, "sbitmap_queue", "alloc_hint");
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diff --git a/symbols.c b/symbols.c
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index 4afbc227da97..d5ce3e0873a1 100644
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--- a/symbols.c
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+++ b/symbols.c
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@@ -10720,6 +10720,8 @@ dump_offset_table(char *spec, ulong makestruct)
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OFFSET(sbitmap_map_nr));
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fprintf(fp, " sbitmap_map: %ld\n",
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OFFSET(sbitmap_map));
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+ fprintf(fp, " sbitmap_alloc_hint: %ld\n",
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+ OFFSET(sbitmap_alloc_hint));
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fprintf(fp, " sbitmap_queue_sb: %ld\n",
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OFFSET(sbitmap_queue_sb));
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fprintf(fp, " sbitmap_queue_alloc_hint: %ld\n",
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--
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2.37.1
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