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authorJakub Kicinski <kuba@kernel.org>2024-04-25 22:40:48 +0300
committerJakub Kicinski <kuba@kernel.org>2024-04-25 22:41:37 +0300
commit2bd87951de659df3381ce083342aaf5b1ea24689 (patch)
treee2635c49fddc29a53b8f537212dc6eb5b2013851 /lib
parentec00ed472bdb7d0af840da68c8c11bff9f4d9caa (diff)
parent52afb15e9d9a021ab6eec923a087ec9f518cb713 (diff)
downloadlinux-2bd87951de659df3381ce083342aaf5b1ea24689.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Conflicts: drivers/net/ethernet/ti/icssg/icssg_prueth.c net/mac80211/chan.c 89884459a0b9 ("wifi: mac80211: fix idle calculation with multi-link") 87f5500285fb ("wifi: mac80211: simplify ieee80211_assign_link_chanctx()") https://lore.kernel.org/all/20240422105623.7b1fbda2@canb.auug.org.au/ net/unix/garbage.c 1971d13ffa84 ("af_unix: Suppress false-positive lockdep splat for spin_lock() in __unix_gc().") 4090fa373f0e ("af_unix: Replace garbage collection algorithm.") drivers/net/ethernet/ti/icssg/icssg_prueth.c drivers/net/ethernet/ti/icssg/icssg_common.c 4dcd0e83ea1d ("net: ti: icssg-prueth: Fix signedness bug in prueth_init_rx_chns()") e2dc7bfd677f ("net: ti: icssg-prueth: Move common functions into a separate file") No adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/bootconfig.c22
-rw-r--r--lib/ubsan.c18
2 files changed, 29 insertions, 11 deletions
diff --git a/lib/bootconfig.c b/lib/bootconfig.c
index c59d26068a64..97f8911ea339 100644
--- a/lib/bootconfig.c
+++ b/lib/bootconfig.c
@@ -61,9 +61,12 @@ static inline void * __init xbc_alloc_mem(size_t size)
return memblock_alloc(size, SMP_CACHE_BYTES);
}
-static inline void __init xbc_free_mem(void *addr, size_t size)
+static inline void __init xbc_free_mem(void *addr, size_t size, bool early)
{
- memblock_free(addr, size);
+ if (early)
+ memblock_free(addr, size);
+ else if (addr)
+ memblock_free_late(__pa(addr), size);
}
#else /* !__KERNEL__ */
@@ -73,7 +76,7 @@ static inline void *xbc_alloc_mem(size_t size)
return malloc(size);
}
-static inline void xbc_free_mem(void *addr, size_t size)
+static inline void xbc_free_mem(void *addr, size_t size, bool early)
{
free(addr);
}
@@ -898,19 +901,20 @@ static int __init xbc_parse_tree(void)
}
/**
- * xbc_exit() - Clean up all parsed bootconfig
+ * _xbc_exit() - Clean up all parsed bootconfig
+ * @early: Set true if this is called before budy system is initialized.
*
* This clears all data structures of parsed bootconfig on memory.
* If you need to reuse xbc_init() with new boot config, you can
* use this.
*/
-void __init xbc_exit(void)
+void __init _xbc_exit(bool early)
{
- xbc_free_mem(xbc_data, xbc_data_size);
+ xbc_free_mem(xbc_data, xbc_data_size, early);
xbc_data = NULL;
xbc_data_size = 0;
xbc_node_num = 0;
- xbc_free_mem(xbc_nodes, sizeof(struct xbc_node) * XBC_NODE_MAX);
+ xbc_free_mem(xbc_nodes, sizeof(struct xbc_node) * XBC_NODE_MAX, early);
xbc_nodes = NULL;
brace_index = 0;
}
@@ -963,7 +967,7 @@ int __init xbc_init(const char *data, size_t size, const char **emsg, int *epos)
if (!xbc_nodes) {
if (emsg)
*emsg = "Failed to allocate bootconfig nodes";
- xbc_exit();
+ _xbc_exit(true);
return -ENOMEM;
}
memset(xbc_nodes, 0, sizeof(struct xbc_node) * XBC_NODE_MAX);
@@ -977,7 +981,7 @@ int __init xbc_init(const char *data, size_t size, const char **emsg, int *epos)
*epos = xbc_err_pos;
if (emsg)
*emsg = xbc_err_msg;
- xbc_exit();
+ _xbc_exit(true);
} else
ret = xbc_node_num;
diff --git a/lib/ubsan.c b/lib/ubsan.c
index 5fc107f61934..a1c983d148f1 100644
--- a/lib/ubsan.c
+++ b/lib/ubsan.c
@@ -44,9 +44,10 @@ const char *report_ubsan_failure(struct pt_regs *regs, u32 check_type)
case ubsan_shift_out_of_bounds:
return "UBSAN: shift out of bounds";
#endif
-#ifdef CONFIG_UBSAN_DIV_ZERO
+#if defined(CONFIG_UBSAN_DIV_ZERO) || defined(CONFIG_UBSAN_SIGNED_WRAP)
/*
- * SanitizerKind::IntegerDivideByZero emits
+ * SanitizerKind::IntegerDivideByZero and
+ * SanitizerKind::SignedIntegerOverflow emit
* SanitizerHandler::DivremOverflow.
*/
case ubsan_divrem_overflow:
@@ -78,6 +79,19 @@ const char *report_ubsan_failure(struct pt_regs *regs, u32 check_type)
case ubsan_type_mismatch:
return "UBSAN: type mismatch";
#endif
+#ifdef CONFIG_UBSAN_SIGNED_WRAP
+ /*
+ * SanitizerKind::SignedIntegerOverflow emits
+ * SanitizerHandler::AddOverflow, SanitizerHandler::SubOverflow,
+ * or SanitizerHandler::MulOverflow.
+ */
+ case ubsan_add_overflow:
+ return "UBSAN: integer addition overflow";
+ case ubsan_sub_overflow:
+ return "UBSAN: integer subtraction overflow";
+ case ubsan_mul_overflow:
+ return "UBSAN: integer multiplication overflow";
+#endif
default:
return "UBSAN: unrecognized failure code";
}