Re: Linux 6.6.135

Greg Kroah-Hartman
2026-04-18T08:51:54Z

diff --git a/Makefile b/Makefile
index 6b1d800ce74b..53144259e496 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 6
PATCHLEVEL = 6
-SUBLEVEL = 134
+SUBLEVEL = 135
EXTRAVERSION =
NAME = Pinguïn Aangedreven

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts
index 077c5cd2586f..4533a84fb0b9 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts
@@ -7,7 +7,7 @@

&a53_opp_table {
opp-1000000000 {
- opp-microvolt = <950000>;
+ opp-microvolt = <1000000>;
};
};

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index 138a4d36a7ef..84971ba7bcb8 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -847,9 +847,9 @@ buck1_reg: BUCK1 {
regulator-max-microvolt = <1300000>;
regulator-boot-on;
regulator-ramp-delay = <1250>;
- rohm,dvs-run-voltage = <880000>;
- rohm,dvs-idle-voltage = <820000>;
- rohm,dvs-suspend-voltage = <810000>;
+ rohm,dvs-run-voltage = <900000>;
+ rohm,dvs-idle-voltage = <850000>;
+ rohm,dvs-suspend-voltage = <850000>;
regulator-always-on;
};

@@ -859,8 +859,8 @@ buck2_reg: BUCK2 {
regulator-max-microvolt = <1300000>;
regulator-boot-on;
regulator-ramp-delay = <1250>;
- rohm,dvs-run-voltage = <950000>;
- rohm,dvs-idle-voltage = <850000>;
+ rohm,dvs-run-voltage = <1000000>;
+ rohm,dvs-idle-voltage = <900000>;
regulator-always-on;
};

@@ -869,14 +869,14 @@ buck3_reg: BUCK3 {
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1300000>;
regulator-boot-on;
- rohm,dvs-run-voltage = <850000>;
+ rohm,dvs-run-voltage = <900000>;
};

buck4_reg: BUCK4 {
regulator-name = "buck4";
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1300000>;
- rohm,dvs-run-voltage = <930000>;
+ rohm,dvs-run-voltage = <1000000>;
};

buck5_reg: BUCK5 {
@@ -1410,13 +1410,3 @@ &wdog1 {
fsl,ext-reset-output;
status = "okay";
};
-
-&a53_opp_table {
- opp-1000000000 {
- opp-microvolt = <850000>;
- };
-
- opp-1500000000 {
- opp-microvolt = <950000>;
- };
-};
diff --git a/arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts b/arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts
index 7d370dac4c85..579d55daa7d0 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts
@@ -179,7 +179,7 @@ &ohci {
};

&pcie {
- reset-gpios = <&gpio4 4 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio4 4 GPIO_ACTIVE_LOW>;
vpcie-supply = <&reg_pcie>;
status = "okay";
};
diff --git a/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi b/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi
index d01023401d7e..4ff486d0050d 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi
@@ -81,6 +81,7 @@ soc: soc@f0000000 {
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x0 0xf0000000 0x10000000>;
+ dma-ranges = <0x0 0x0 0x0 0x40000000>;

crg: clock-reset-controller@8a22000 {
compatible = "hisilicon,hi3798cv200-crg", "syscon", "simple-mfd";
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 404390bb87ea..3f11e5218e6c 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -484,7 +484,6 @@
# endif
# ifndef cpu_vmbits
# define cpu_vmbits cpu_data[0].vmbits
-# define __NEED_VMBITS_PROBE
# endif
#endif

diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h
index a600670d00e9..1aee44124f11 100644
--- a/arch/mips/include/asm/cpu-info.h
+++ b/arch/mips/include/asm/cpu-info.h
@@ -80,9 +80,7 @@ struct cpuinfo_mips {
int srsets; /* Shadow register sets */
int package;/* physical package number */
unsigned int globalnumber;
-#ifdef CONFIG_64BIT
int vmbits; /* Virtual memory size in bits */
-#endif
void *data; /* Additional data */
unsigned int watch_reg_count; /* Number that exist */
unsigned int watch_reg_use_cnt; /* Usable by ptrace */
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index e959a6b1a325..92ad30139504 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -1714,6 +1714,8 @@ do { \

#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
+#define read_c0_entryhi_64() __read_64bit_c0_register($10, 0)
+#define write_c0_entryhi_64(val) __write_64bit_c0_register($10, 0, val)

#define read_c0_guestctl1() __read_32bit_c0_register($10, 4)
#define write_c0_guestctl1(val) __write_32bit_c0_register($10, 4, val)
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index c7fee72ea606..d982bc3288eb 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -208,11 +208,14 @@ static inline void set_elf_base_platform(const char *plat)

static inline void cpu_probe_vmbits(struct cpuinfo_mips *c)
{
-#ifdef __NEED_VMBITS_PROBE
- write_c0_entryhi(0x3fffffffffffe000ULL);
- back_to_back_c0_hazard();
- c->vmbits = fls64(read_c0_entryhi() & 0x3fffffffffffe000ULL);
-#endif
+ int vmbits = 31;
+
+ if (cpu_has_64bits) {
+ write_c0_entryhi_64(0x3fffffffffffe000ULL);
+ back_to_back_c0_hazard();
+ vmbits = fls64(read_c0_entryhi_64() & 0x3fffffffffffe000ULL);
+ }
+ c->vmbits = vmbits;
}

static void set_isa(struct cpuinfo_mips *c, unsigned int isa)
diff --git a/arch/mips/kernel/cpu-r3k-probe.c b/arch/mips/kernel/cpu-r3k-probe.c
index be93469c0e0e..2adf95225aa7 100644
--- a/arch/mips/kernel/cpu-r3k-probe.c
+++ b/arch/mips/kernel/cpu-r3k-probe.c
@@ -138,6 +138,8 @@ void cpu_probe(void)
else
cpu_set_nofpu_opts(c);

+ c->vmbits = 31;
+
reserve_exception_space(0, 0x400);
}

diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 4d49ecf27610..0cb68a531601 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -13,6 +13,7 @@
#include <linux/sched.h>
#include <linux/smp.h>
#include <linux/memblock.h>
+#include <linux/minmax.h>
#include <linux/mm.h>
#include <linux/hugetlb.h>
#include <linux/export.h>
@@ -24,6 +25,7 @@
#include <asm/hazards.h>
#include <asm/mmu_context.h>
#include <asm/tlb.h>
+#include <asm/tlbdebug.h>
#include <asm/tlbmisc.h>

extern void build_tlb_refill_handler(void);
@@ -509,87 +511,259 @@ static int __init set_ntlb(char *str)
__setup("ntlb=", set_ntlb);

-/* Comparison function for EntryHi VPN fields. */
-static int r4k_vpn_cmp(const void *a, const void *b)
+/* The start bit position of VPN2 and Mask in EntryHi/PageMask registers. */
+#define VPN2_SHIFT 13
+
+/* Read full EntryHi even with CONFIG_32BIT. */
+static inline unsigned long long read_c0_entryhi_native(void)
+{
+ return cpu_has_64bits ? read_c0_entryhi_64() : read_c0_entryhi();
+}
+
+/* Write full EntryHi even with CONFIG_32BIT. */
+static inline void write_c0_entryhi_native(unsigned long long v)
{
- long v = *(unsigned long *)a - *(unsigned long *)b;
- int s = sizeof(long) > sizeof(int) ? sizeof(long) * 8 - 1: 0;
- return s ? (v != 0) | v >> s : v;
+ if (cpu_has_64bits)
+ write_c0_entryhi_64(v);
+ else
+ write_c0_entryhi(v);
}

+/* TLB entry state for uniquification. */
+struct tlbent {
+ unsigned long long wired:1;
+ unsigned long long global:1;
+ unsigned long long asid:10;
+ unsigned long long vpn:51;
+ unsigned long long pagesz:5;
+ unsigned long long index:14;
+};
+
/*
- * Initialise all TLB entries with unique values that do not clash with
- * what we have been handed over and what we'll be using ourselves.
+ * Comparison function for TLB entry sorting. Place wired entries first,
+ * then global entries, then order by the increasing VPN/ASID and the
+ * decreasing page size. This lets us avoid clashes with wired entries
+ * easily and get entries for larger pages out of the way first.
+ *
+ * We could group bits so as to reduce the number of comparisons, but this
+ * is seldom executed and not performance-critical, so prefer legibility.
*/
-static void __ref r4k_tlb_uniquify(void)
+static int r4k_entry_cmp(const void *a, const void *b)
{
- int tlbsize = current_cpu_data.tlbsize;
- bool use_slab = slab_is_available();
- int start = num_wired_entries();
- phys_addr_t tlb_vpn_size;
- unsigned long *tlb_vpns;
- unsigned long vpn_mask;
- int cnt, ent, idx, i;
-
- vpn_mask = GENMASK(cpu_vmbits - 1, 13);
- vpn_mask |= IS_ENABLED(CONFIG_64BIT) ? 3ULL << 62 : 1 << 31;
+ struct tlbent ea = *(struct tlbent *)a, eb = *(struct tlbent *)b;
+
+ if (ea.wired > eb.wired)
+ return -1;
+ else if (ea.wired < eb.wired)
+ return 1;
+ else if (ea.global > eb.global)
+ return -1;
+ else if (ea.global < eb.global)
+ return 1;
+ else if (ea.vpn < eb.vpn)
+ return -1;
+ else if (ea.vpn > eb.vpn)
+ return 1;
+ else if (ea.asid < eb.asid)
+ return -1;
+ else if (ea.asid > eb.asid)
+ return 1;
+ else if (ea.pagesz > eb.pagesz)
+ return -1;
+ else if (ea.pagesz < eb.pagesz)
+ return 1;
+ else
+ return 0;
+}

- tlb_vpn_size = tlbsize * sizeof(*tlb_vpns);
- tlb_vpns = (use_slab ?
- kmalloc(tlb_vpn_size, GFP_ATOMIC) :
- memblock_alloc_raw(tlb_vpn_size, sizeof(*tlb_vpns)));
- if (WARN_ON(!tlb_vpns))
- return; /* Pray local_flush_tlb_all() is good enough. */
+/*
+ * Fetch all the TLB entries. Mask individual VPN values retrieved with
+ * the corresponding page mask and ignoring any 1KiB extension as we'll
+ * be using 4KiB pages for uniquification.
+ */
+static void __ref r4k_tlb_uniquify_read(struct tlbent *tlb_vpns, int tlbsize)
+{
+ int start = num_wired_entries();
+ unsigned long long vpn_mask;
+ bool global;
+ int i;

- htw_stop();
+ vpn_mask = GENMASK(current_cpu_data.vmbits - 1, VPN2_SHIFT);
+ vpn_mask |= cpu_has_64bits ? 3ULL << 62 : 1 << 31;

- for (i = start, cnt = 0; i < tlbsize; i++, cnt++) {
- unsigned long vpn;
+ for (i = 0; i < tlbsize; i++) {
+ unsigned long long entryhi, vpn, mask, asid;
+ unsigned int pagesz;

write_c0_index(i);
mtc0_tlbr_hazard();
tlb_read();
tlb_read_hazard();
- vpn = read_c0_entryhi();
- vpn &= vpn_mask & PAGE_MASK;
- tlb_vpns[cnt] = vpn;

- /* Prevent any large pages from overlapping regular ones. */
- write_c0_pagemask(read_c0_pagemask() & PM_DEFAULT_MASK);
- mtc0_tlbw_hazard();
- tlb_write_indexed();
- tlbw_use_hazard();
+ global = !!(read_c0_entrylo0() & ENTRYLO_G);
+ entryhi = read_c0_entryhi_native();
+ mask = read_c0_pagemask();
+
+ asid = entryhi & cpu_asid_mask(&current_cpu_data);
+ vpn = (entryhi & vpn_mask & ~mask) >> VPN2_SHIFT;
+ pagesz = ilog2((mask >> VPN2_SHIFT) + 1);
+
+ tlb_vpns[i].global = global;
+ tlb_vpns[i].asid = global ? 0 : asid;
+ tlb_vpns[i].vpn = vpn;
+ tlb_vpns[i].pagesz = pagesz;
+ tlb_vpns[i].wired = i < start;
+ tlb_vpns[i].index = i;
}
+}

- sort(tlb_vpns, cnt, sizeof(tlb_vpns[0]), r4k_vpn_cmp, NULL);
+/*
+ * Write unique values to all but the wired TLB entries each, using
+ * the 4KiB page size. This size might not be supported with R6, but
+ * EHINV is mandatory for R6, so we won't ever be called in that case.
+ *
+ * A sorted table is supplied with any wired entries at the beginning,
+ * followed by any global entries, and then finally regular entries.
+ * We start at the VPN and ASID values of zero and only assign user
+ * addresses, therefore guaranteeing no clash with addresses produced
+ * by UNIQUE_ENTRYHI. We avoid any VPN values used by wired or global
+ * entries, by increasing the VPN value beyond the span of such entry.
+ *
+ * When a VPN/ASID clash is found with a regular entry we increment the
+ * ASID instead until no VPN/ASID clash has been found or the ASID space
+ * has been exhausted, in which case we increase the VPN value beyond
+ * the span of the largest clashing entry.
+ *
+ * We do not need to be concerned about FTLB or MMID configurations as
+ * those are required to implement the EHINV feature.
+ */
+static void __ref r4k_tlb_uniquify_write(struct tlbent *tlb_vpns, int tlbsize)
+{
+ unsigned long long asid, vpn, vpn_size, pagesz;
+ int widx, gidx, idx, sidx, lidx, i;

- write_c0_pagemask(PM_DEFAULT_MASK);
+ vpn_size = 1ULL << (current_cpu_data.vmbits - VPN2_SHIFT);
+ pagesz = ilog2((PM_4K >> VPN2_SHIFT) + 1);
+
+ write_c0_pagemask(PM_4K);
write_c0_entrylo0(0);
write_c0_entrylo1(0);

- idx = 0;
- ent = tlbsize;
- for (i = start; i < tlbsize; i++)
- while (1) {
- unsigned long entryhi, vpn;
+ asid = 0;
+ vpn = 0;
+ widx = 0;
+ gidx = 0;
+ for (sidx = 0; sidx < tlbsize && tlb_vpns[sidx].wired; sidx++)
+ ;
+ for (lidx = sidx; lidx < tlbsize && tlb_vpns[lidx].global; lidx++)
+ ;
+ idx = gidx = sidx + 1;
+ for (i = sidx; i < tlbsize; i++) {
+ unsigned long long entryhi, vpn_pagesz = 0;

- entryhi = UNIQUE_ENTRYHI(ent);
- vpn = entryhi & vpn_mask & PAGE_MASK;
+ while (1) {
+ if (WARN_ON(vpn >= vpn_size)) {
+ dump_tlb_all();
+ /* Pray local_flush_tlb_all() will cope. */
+ return;
+ }

- if (idx >= cnt || vpn < tlb_vpns[idx]) {
- write_c0_entryhi(entryhi);
- write_c0_index(i);
- mtc0_tlbw_hazard();
- tlb_write_indexed();
- ent++;
- break;
- } else if (vpn == tlb_vpns[idx]) {
- ent++;
- } else {
+ /* VPN must be below the next wired entry. */
+ if (widx < sidx && vpn >= tlb_vpns[widx].vpn) {
+ vpn = max(vpn,
+ (tlb_vpns[widx].vpn +
+ (1ULL << tlb_vpns[widx].pagesz)));
+ asid = 0;
+ widx++;
+ continue;
+ }
+ /* VPN must be below the next global entry. */
+ if (gidx < lidx && vpn >= tlb_vpns[gidx].vpn) {
+ vpn = max(vpn,
+ (tlb_vpns[gidx].vpn +
+ (1ULL << tlb_vpns[gidx].pagesz)));
+ asid = 0;
+ gidx++;
+ continue;
+ }
+ /* Try to find a free ASID so as to conserve VPNs. */
+ if (idx < tlbsize && vpn == tlb_vpns[idx].vpn &&
+ asid == tlb_vpns[idx].asid) {
+ unsigned long long idx_pagesz;
+
+ idx_pagesz = tlb_vpns[idx].pagesz;
+ vpn_pagesz = max(vpn_pagesz, idx_pagesz);
+ do
+ idx++;
+ while (idx < tlbsize &&
+ vpn == tlb_vpns[idx].vpn &&
+ asid == tlb_vpns[idx].asid);
+ asid++;
+ if (asid > cpu_asid_mask(&current_cpu_data)) {
+ vpn += vpn_pagesz;
+ asid = 0;
+ vpn_pagesz = 0;
+ }
+ continue;
+ }
+ /* VPN mustn't be above the next regular entry. */
+ if (idx < tlbsize && vpn > tlb_vpns[idx].vpn) {
+ vpn = max(vpn,
+ (tlb_vpns[idx].vpn +
+ (1ULL << tlb_vpns[idx].pagesz)));
+ asid = 0;
idx++;
+ continue;
}
+ break;
}

+ entryhi = (vpn << VPN2_SHIFT) | asid;
+ write_c0_entryhi_native(entryhi);
+ write_c0_index(tlb_vpns[i].index);
+ mtc0_tlbw_hazard();
+ tlb_write_indexed();
+
+ tlb_vpns[i].asid = asid;
+ tlb_vpns[i].vpn = vpn;
+ tlb_vpns[i].pagesz = pagesz;
+
+ asid++;
+ if (asid > cpu_asid_mask(&current_cpu_data)) {
+ vpn += 1ULL << pagesz;
+ asid = 0;
+ }
+ }
+}
+
+/*
+ * Initialise all TLB entries with unique values that do not clash with
+ * what we have been handed over and what we'll be using ourselves.
+ */
+static void __ref r4k_tlb_uniquify(void)
+{
+ int tlbsize = current_cpu_data.tlbsize;
+ bool use_slab = slab_is_available();
+ phys_addr_t tlb_vpn_size;
+ struct tlbent *tlb_vpns;
+
+ tlb_vpn_size = tlbsize * sizeof(*tlb_vpns);
+ tlb_vpns = (use_slab ?
+ kmalloc(tlb_vpn_size, GFP_ATOMIC) :
+ memblock_alloc_raw(tlb_vpn_size, sizeof(*tlb_vpns)));
+ if (WARN_ON(!tlb_vpns))
+ return; /* Pray local_flush_tlb_all() is good enough. */
+
+ htw_stop();
+
+ r4k_tlb_uniquify_read(tlb_vpns, tlbsize);
+
+ sort(tlb_vpns, tlbsize, sizeof(*tlb_vpns), r4k_entry_cmp, NULL);
+
+ r4k_tlb_uniquify_write(tlb_vpns, tlbsize);
+
+ write_c0_pagemask(PM_DEFAULT_MASK);
+
tlbw_use_hazard();
htw_start();
flush_micro_tlb();
@@ -638,7 +812,8 @@ static void r4k_tlb_configure(void)
temp_tlb_entry = current_cpu_data.tlbsize - 1;

/* From this point on the ARC firmware is dead. */
- r4k_tlb_uniquify();
+ if (!cpu_has_tlbinv)
+ r4k_tlb_uniquify();
local_flush_tlb_all();

/* Did I tell you that ARC SUCKS? */
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index e58204e7714e..deb5fe001776 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -582,6 +582,9 @@
#define MSR_AMD64_DC_CFG 0xc0011022
#define MSR_AMD64_TW_CFG 0xc0011023

+#define MSR_AMD64_FP_CFG 0xc0011028
+#define MSR_AMD64_FP_CFG_ZEN1_DENORM_FIX_BIT 9
+
#define MSR_AMD64_DE_CFG 0xc0011029
#define MSR_AMD64_DE_CFG_LFENCE_SERIALIZE_BIT 1
#define MSR_AMD64_DE_CFG_LFENCE_SERIALIZE BIT_ULL(MSR_AMD64_DE_CFG_LFENCE_SERIALIZE_BIT)
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 864d62e94614..211141d37d15 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -1112,6 +1112,9 @@ static void init_amd_zen1(struct cpuinfo_x86 *c)
msr_clear_bit(MSR_K7_HWCR, MSR_K7_HWCR_IRPERF_EN_BIT);
clear_cpu_cap(c, X86_FEATURE_IRPERF);
}
+
+ pr_notice_once("AMD Zen1 FPDSS bug detected, enabling mitigation.\n");
+ msr_set_bit(MSR_AMD64_FP_CFG, MSR_AMD64_FP_CFG_ZEN1_DENORM_FIX_BIT);
}

static bool cpu_has_zenbleed_microcode(void)
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index 5201f47e31d8..c0ad30de29a5 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -592,10 +592,10 @@ int x509_process_extension(void *context, size_t hdrlen,
* 0x04 is where keyCertSign lands in this bit string
* 0x80 is where digitalSignature lands in this bit string
*/
- if (v[0] != ASN1_BTS)
- return -EBADMSG;
if (vlen < 4)
return -EBADMSG;
+ if (v[0] != ASN1_BTS)
+ return -EBADMSG;
if (v[2] >= 8)
return -EBADMSG;
if (v[3] & 0x80)
@@ -628,10 +628,10 @@ int x509_process_extension(void *context, size_t hdrlen,
* (Expect 0xFF if the CA is TRUE)
* vlen should match the entire extension size
*/
- if (v[0] != (ASN1_CONS_BIT | ASN1_SEQ))
- return -EBADMSG;
if (vlen < 2)
return -EBADMSG;
+ if (v[0] != (ASN1_CONS_BIT | ASN1_SEQ))
+ return -EBADMSG;
if (v[1] != vlen - 2)
return -EBADMSG;
/* Empty SEQUENCE means CA:FALSE (default value omitted per DER) */
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 6faeb2ab3960..952ebd94e0ec 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -369,13 +369,13 @@ struct mem_ctl_info *edac_mc_alloc(unsigned int mc_num,
if (!mci->layers)
goto error;

+ mci->dev.release = mci_release;
+ device_initialize(&mci->dev);
+
mci->pvt_info = kzalloc(sz_pvt, GFP_KERNEL);
if (!mci->pvt_info)
goto error;

- mci->dev.release = mci_release;
- device_initialize(&mci->dev);
-
/* setup index and various internal pointers */
mci->mc_idx = mc_num;
mci->tot_dimms = tot_dimms;
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index b5a5cede4d3d..b943221b238f 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -243,7 +243,6 @@ static void drm_events_release(struct drm_file *file_priv)
void drm_file_free(struct drm_file *file)
{
struct drm_device *dev;
- int idx;

if (!file)
return;
@@ -269,11 +268,9 @@ void drm_file_free(struct drm_file *file)

drm_events_release(file);

- if (drm_core_check_feature(dev, DRIVER_MODESET) &&
- drm_dev_enter(dev, &idx)) {
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
drm_fb_release(file);
drm_property_destroy_user_blobs(dev, file);
- drm_dev_exit(idx);
}

if (drm_core_check_feature(dev, DRIVER_SYNCOBJ))
diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c
index f09137046c2b..87eb591fe9b5 100644
--- a/drivers/gpu/drm/drm_mode_config.c
+++ b/drivers/gpu/drm/drm_mode_config.c
@@ -546,13 +546,10 @@ void drm_mode_config_cleanup(struct drm_device *dev)
*/
WARN_ON(!list_empty(&dev->mode_config.fb_list));
list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
- if (list_empty(&fb->filp_head) || drm_framebuffer_read_refcount(fb) > 1) {
- struct drm_printer p = drm_debug_printer("[leaked fb]");
+ struct drm_printer p = drm_debug_printer("[leaked fb]");

- drm_printf(&p, "framebuffer[%u]:\n", fb->base.id);
- drm_framebuffer_print_info(&p, 1, fb);
- }
- list_del_init(&fb->filp_head);
+ drm_printf(&p, "framebuffer[%u]:\n", fb->base.id);
+ drm_framebuffer_print_info(&p, 1, fb);
drm_framebuffer_free(&fb->base.refcount);
}

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c b/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c
index 9a527e1f5be6..a3683ac1bb9b 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c
@@ -144,10 +144,12 @@ static void heartbeat(struct work_struct *wrk)
/* Just in case everything has gone horribly wrong, give it a kick */
intel_engine_flush_submission(engine);

- rq = engine->heartbeat.systole;
- if (rq && i915_request_completed(rq)) {
- i915_request_put(rq);
- engine->heartbeat.systole = NULL;
+ rq = xchg(&engine->heartbeat.systole, NULL);
+ if (rq) {
+ if (i915_request_completed(rq))
+ i915_request_put(rq);
+ else
+ engine->heartbeat.systole = rq;
}

if (!intel_engine_pm_get_if_awake(engine))
@@ -228,8 +230,11 @@ static void heartbeat(struct work_struct *wrk)
unlock:
mutex_unlock(&ce->timeline->mutex);
out:
- if (!engine->i915->params.enable_hangcheck || !next_heartbeat(engine))
- i915_request_put(fetch_and_zero(&engine->heartbeat.systole));
+ if (!engine->i915->params.enable_hangcheck || !next_heartbeat(engine)) {
+ rq = xchg(&engine->heartbeat.systole, NULL);
+ if (rq)
+ i915_request_put(rq);
+ }
intel_engine_pm_put(engine);
}

@@ -243,8 +248,13 @@ void intel_engine_unpark_heartbeat(struct intel_engine_cs *engine)

void intel_engine_park_heartbeat(struct intel_engine_cs *engine)
{
- if (cancel_delayed_work(&engine->heartbeat.work))
- i915_request_put(fetch_and_zero(&engine->heartbeat.systole));
+ if (cancel_delayed_work(&engine->heartbeat.work)) {
+ struct i915_request *rq;
+
+ rq = xchg(&engine->heartbeat.systole, NULL);
+ if (rq)
+ i915_request_put(rq);
+ }
}

void intel_gt_unpark_heartbeats(struct intel_gt *gt)
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index edb62a284548..a2f1edeffa98 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -25,8 +25,10 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/fs.h>
+#include <linux/lockdep.h>
#include <linux/miscdevice.h>
#include <linux/overflow.h>
+#include <linux/spinlock.h>
#include <linux/input/mt.h>
#include "../input-compat.h"

@@ -57,6 +59,7 @@ struct uinput_device {
struct input_dev *dev;
struct mutex mutex;
enum uinput_state state;
+ spinlock_t state_lock;
wait_queue_head_t waitq;
unsigned char ready;
unsigned char head;
@@ -75,6 +78,8 @@ static int uinput_dev_event(struct input_dev *dev,
struct uinput_device *udev = input_get_drvdata(dev);
struct timespec64 ts;

+ lockdep_assert_held(&dev->event_lock);
+
ktime_get_ts64(&ts);

udev->buff[udev->head] = (struct input_event) {
@@ -146,27 +151,26 @@ static void uinput_request_release_slot(struct uinput_device *udev,
static int uinput_request_send(struct uinput_device *udev,
struct uinput_request *request)
{
- int retval;
+ unsigned long flags;
+ int retval = 0;

- retval = mutex_lock_interruptible(&udev->mutex);
- if (retval)
- return retval;
+ spin_lock(&udev->state_lock);

if (udev->state != UIST_CREATED) {
retval = -ENODEV;
goto out;
}

- init_completion(&request->done);
-
/*
* Tell our userspace application about this new request
* by queueing an input event.
*/
+ spin_lock_irqsave(&udev->dev->event_lock, flags);
uinput_dev_event(udev->dev, EV_UINPUT, request->code, request->id);
+ spin_unlock_irqrestore(&udev->dev->event_lock, flags);

out:
- mutex_unlock(&udev->mutex);
+ spin_unlock(&udev->state_lock);
return retval;
}

@@ -175,6 +179,13 @@ static int uinput_request_submit(struct uinput_device *udev,
{
int retval;

+ /*
+ * Initialize completion before allocating the request slot.
+ * Once the slot is allocated, uinput_flush_requests() may
+ * complete it at any time, so it must be initialized first.
+ */
+ init_completion(&request->done);
+
retval = uinput_request_reserve_slot(udev, request);
if (retval)
return retval;
@@ -289,7 +300,14 @@ static void uinput_destroy_device(struct uinput_device *udev)
struct input_dev *dev = udev->dev;
enum uinput_state old_state = udev->state;

+ /*
+ * Update state under state_lock so that concurrent
+ * uinput_request_send() sees the state change before we
+ * flush pending requests and tear down the device.
+ */
+ spin_lock(&udev->state_lock);
udev->state = UIST_NEW_DEVICE;
+ spin_unlock(&udev->state_lock);

if (dev) {
name = dev->name;
@@ -366,7 +384,9 @@ static int uinput_create_device(struct uinput_device *udev)
if (error)
goto fail2;

+ spin_lock(&udev->state_lock);
udev->state = UIST_CREATED;
+ spin_unlock(&udev->state_lock);

return 0;

@@ -384,6 +404,7 @@ static int uinput_open(struct inode *inode, struct file *file)
return -ENOMEM;

mutex_init(&newdev->mutex);
+ spin_lock_init(&newdev->state_lock);
spin_lock_init(&newdev->requests_lock);
init_waitqueue_head(&newdev->requests_waitq);
init_waitqueue_head(&newdev->waitq);
diff --git a/drivers/mmc/host/vub300.c b/drivers/mmc/host/vub300.c
index cef0e716ad16..4e0a645b45b9 100644
--- a/drivers/mmc/host/vub300.c
+++ b/drivers/mmc/host/vub300.c
@@ -2369,8 +2369,8 @@ static void vub300_disconnect(struct usb_interface *interface)
usb_set_intfdata(interface, NULL);
/* prevent more I/O from starting */
vub300->interface = NULL;
- kref_put(&vub300->kref, vub300_delete);
mmc_remove_host(mmc);
+ kref_put(&vub300->kref, vub300_delete);
pr_info("USB vub300 remote SDIO host controller[%d]"
" now disconnected", ifnum);
return;
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index 2e15800e5310..33ce4a6850df 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -574,6 +574,7 @@ static netdev_tx_t tse_start_xmit(struct sk_buff *skb, struct net_device *dev)
DMA_TO_DEVICE);
if (dma_mapping_error(priv->device, dma_addr)) {
netdev_err(priv->dev, "%s: DMA mapping error\n", __func__);
+ dev_kfree_skb_any(skb);
ret = NETDEV_TX_OK;
goto out;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index df6eeb0f57bc..80f3493fc544 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -2208,6 +2208,7 @@ static const struct pci_device_id mlx5_core_pci_table[] = {
{ PCI_VDEVICE(MELLANOX, 0x1023) }, /* ConnectX-8 */
{ PCI_VDEVICE(MELLANOX, 0x1025) }, /* ConnectX-9 */
{ PCI_VDEVICE(MELLANOX, 0x1027) }, /* ConnectX-10 */
+ { PCI_VDEVICE(MELLANOX, 0x2101) }, /* ConnectX-10 NVLink-C2C */
{ PCI_VDEVICE(MELLANOX, 0xa2d2) }, /* BlueField integrated ConnectX-5 network controller */
{ PCI_VDEVICE(MELLANOX, 0xa2d3), MLX5_PCI_DEV_IS_VF}, /* BlueField integrated ConnectX-5 network controller VF */
{ PCI_VDEVICE(MELLANOX, 0xa2d6) }, /* BlueField-2 integrated ConnectX-6 Dx network controller */
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c b/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c
index 3960534ac2ad..e717d68bf45a 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c
@@ -85,6 +85,8 @@ static int lan966x_fdma_rx_alloc_page_pool(struct lan966x_rx *rx)
pp_params.dma_dir = DMA_BIDIRECTIONAL;

rx->page_pool = page_pool_create(&pp_params);
+ if (unlikely(IS_ERR(rx->page_pool)))
+ return PTR_ERR(rx->page_pool);

for (int i = 0; i < lan966x->num_phys_ports; ++i) {
struct lan966x_port *port;
diff --git a/drivers/net/ethernet/qualcomm/qca_uart.c b/drivers/net/ethernet/qualcomm/qca_uart.c
index 9adec91f35e9..4526fd9cd81c 100644
--- a/drivers/net/ethernet/qualcomm/qca_uart.c
+++ b/drivers/net/ethernet/qualcomm/qca_uart.c
@@ -114,7 +114,7 @@ qca_tty_receive(struct serdev_device *serdev, const unsigned char *data,
if (!qca->rx_skb) {
netdev_dbg(netdev, "recv: out of RX resources\n");
n_stats->rx_errors++;
- return i;
+ return i + 1;
}
}
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c
index fb55efd52240..1c01e3c640ce 100644
--- a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c
+++ b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c
@@ -20,7 +20,7 @@ static int jumbo_frm(struct stmmac_tx_queue *tx_q, struct sk_buff *skb,
unsigned int nopaged_len = skb_headlen(skb);
struct stmmac_priv *priv = tx_q->priv_data;
unsigned int entry = tx_q->cur_tx;
- unsigned int bmax, des2;
+ unsigned int bmax, buf_len, des2;
unsigned int i = 1, len;
struct dma_desc *desc;

@@ -31,17 +31,18 @@ static int jumbo_frm(struct stmmac_tx_queue *tx_q, struct sk_buff *skb,
else
bmax = BUF_SIZE_2KiB;

- len = nopaged_len - bmax;
+ buf_len = min_t(unsigned int, nopaged_len, bmax);
+ len = nopaged_len - buf_len;

des2 = dma_map_single(priv->device, skb->data,
- bmax, DMA_TO_DEVICE);
+ buf_len, DMA_TO_DEVICE);
desc->des2 = cpu_to_le32(des2);
if (dma_mapping_error(priv->device, des2))
return -1;
tx_q->tx_skbuff_dma[entry].buf = des2;
- tx_q->tx_skbuff_dma[entry].len = bmax;
+ tx_q->tx_skbuff_dma[entry].len = buf_len;
/* do not close the descriptor and do not set own bit */
- stmmac_prepare_tx_desc(priv, desc, 1, bmax, csum, STMMAC_CHAIN_MODE,
+ stmmac_prepare_tx_desc(priv, desc, 1, buf_len, csum, STMMAC_CHAIN_MODE,
0, false, skb->len);

while (len != 0) {
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index b33fc94ebd77..33f61922c139 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -4465,6 +4465,7 @@ static int virtnet_probe(struct virtio_device *vdev)
struct virtnet_info *vi;
u16 max_queue_pairs;
int mtu = 0;
+ u16 key_sz;

/* Find if host supports multiqueue/rss virtio_net device */
max_queue_pairs = 1;
@@ -4589,14 +4590,13 @@ static int virtnet_probe(struct virtio_device *vdev)
}

if (vi->has_rss || vi->has_rss_hash_report) {
- vi->rss_key_size =
- virtio_cread8(vdev, offsetof(struct virtio_net_config, rss_max_key_size));
- if (vi->rss_key_size > VIRTIO_NET_RSS_MAX_KEY_SIZE) {
- dev_err(&vdev->dev, "rss_max_key_size=%u exceeds the limit %u.\n",
- vi->rss_key_size, VIRTIO_NET_RSS_MAX_KEY_SIZE);
- err = -EINVAL;
- goto free;
- }
+ key_sz = virtio_cread8(vdev, offsetof(struct virtio_net_config, rss_max_key_size));
+
+ vi->rss_key_size = min_t(u16, key_sz, VIRTIO_NET_RSS_MAX_KEY_SIZE);
+ if (key_sz > vi->rss_key_size)
+ dev_warn(&vdev->dev,
+ "rss_max_key_size=%u exceeds driver limit %u, clamping\n",
+ key_sz, vi->rss_key_size);

vi->rss_hash_types_supported =
virtio_cread32(vdev, offsetof(struct virtio_net_config, supported_hash_types));
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c
index b7df576bb84d..2c0ea993d71f 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c
@@ -483,7 +483,7 @@ static void *dma_ringalloc(struct dma_info *di, u32 boundary, uint size,
if (((desc_strtaddr + size - 1) & boundary) != (desc_strtaddr
& boundary)) {
*alignbits = dma_align_sizetobits(size);
- dma_free_coherent(di->dmadev, size, va, *descpa);
+ dma_free_coherent(di->dmadev, *alloced, va, *descpa);
va = dma_alloc_consistent(di, size, *alignbits,
alloced, descpa);
}
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
index 8fd22c69855f..9b193e467886 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
@@ -830,7 +830,7 @@ int rt2x00usb_probe(struct usb_interface *usb_intf,
if (retval)
goto exit_free_device;

- rt2x00dev->anchor = devm_kmalloc(&usb_dev->dev,
+ rt2x00dev->anchor = devm_kmalloc(&usb_intf->dev,
sizeof(struct usb_anchor),
GFP_KERNEL);
if (!rt2x00dev->anchor) {
diff --git a/drivers/nfc/pn533/uart.c b/drivers/nfc/pn533/uart.c
index f4afd1156e06..055a0bf7d235 100644
--- a/drivers/nfc/pn533/uart.c
+++ b/drivers/nfc/pn533/uart.c
@@ -211,6 +211,13 @@ static int pn532_receive_buf(struct serdev_device *serdev,

del_timer(&dev->cmd_timeout);
for (i = 0; i < count; i++) {
+ if (!dev->recv_skb) {
+ dev->recv_skb = alloc_skb(PN532_UART_SKB_BUFF_LEN,
+ GFP_KERNEL);
+ if (!dev->recv_skb)
+ return i;
+ }
+
if (unlikely(!skb_tailroom(dev->recv_skb)))
skb_trim(dev->recv_skb, 0);

@@ -219,9 +226,7 @@ static int pn532_receive_buf(struct serdev_device *serdev,
continue;

pn533_recv_frame(dev->priv, dev->recv_skb, 0);
- dev->recv_skb = alloc_skb(PN532_UART_SKB_BUFF_LEN, GFP_KERNEL);
- if (!dev->recv_skb)
- return 0;
+ dev->recv_skb = NULL;
}

return i;
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index b7a6d8a28fe9..8c941d6267a5 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -1668,14 +1668,6 @@ static int pci_dma_configure(struct device *dev)
ret = acpi_dma_configure(dev, acpi_get_dma_attr(adev));
}

- /*
- * Attempt to enable ACS regardless of capability because some Root
- * Ports (e.g. those quirked with *_intel_pch_acs_*) do not have
- * the standard ACS capability but still support ACS via those
- * quirks.
- */
- pci_enable_acs(to_pci_dev(dev));
-
pci_put_host_bridge_device(bridge);

if (!ret && !driver->driver_managed_dma) {
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index d015df77ddff..b82927905968 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1046,7 +1046,7 @@ static void pci_std_enable_acs(struct pci_dev *dev)
* pci_enable_acs - enable ACS if hardware support it
* @dev: the PCI device
*/
-void pci_enable_acs(struct pci_dev *dev)
+static void pci_enable_acs(struct pci_dev *dev)
{
if (!pci_acs_enable)
goto disable_acs_redir;
@@ -3823,6 +3823,14 @@ bool pci_acs_path_enabled(struct pci_dev *start,
void pci_acs_init(struct pci_dev *dev)
{
dev->acs_cap = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ACS);
+
+ /*
+ * Attempt to enable ACS regardless of capability because some Root
+ * Ports (e.g. those quirked with *_intel_pch_acs_*) do not have
+ * the standard ACS capability but still support ACS via those
+ * quirks.
+ */
+ pci_enable_acs(dev);
}

/**
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index dae7b98536f7..3c35aae7431f 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -557,7 +557,6 @@ static inline resource_size_t pci_resource_alignment(struct pci_dev *dev,
}

void pci_acs_init(struct pci_dev *dev);
-void pci_enable_acs(struct pci_dev *dev);
#ifdef CONFIG_PCI_QUIRKS
int pci_dev_specific_acs_enabled(struct pci_dev *dev, u16 acs_flags);
int pci_dev_specific_enable_acs(struct pci_dev *dev);
diff --git a/drivers/pmdomain/imx/imx8mp-blk-ctrl.c b/drivers/pmdomain/imx/imx8mp-blk-ctrl.c
index 4c3a225c1e44..a53ee38e7d32 100644
--- a/drivers/pmdomain/imx/imx8mp-blk-ctrl.c
+++ b/drivers/pmdomain/imx/imx8mp-blk-ctrl.c
@@ -352,9 +352,6 @@ static void imx8mp_hdmi_blk_ctrl_power_on(struct imx8mp_blk_ctrl *bc,
regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(12));
regmap_clear_bits(bc->regmap, HDMI_TX_CONTROL0, BIT(3));
break;
- case IMX8MP_HDMIBLK_PD_HDCP:
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(11));
- break;
case IMX8MP_HDMIBLK_PD_HRV:
regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(3) | BIT(4) | BIT(5));
regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(15));
@@ -408,9 +405,6 @@ static void imx8mp_hdmi_blk_ctrl_power_off(struct imx8mp_blk_ctrl *bc,
regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(7));
regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(22) | BIT(24));
break;
- case IMX8MP_HDMIBLK_PD_HDCP:
- regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(11));
- break;
case IMX8MP_HDMIBLK_PD_HRV:
regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(15));
regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(3) | BIT(4) | BIT(5));
@@ -439,7 +433,7 @@ static int imx8mp_hdmi_power_notifier(struct notifier_block *nb,
regmap_write(bc->regmap, HDMI_RTX_CLK_CTL0, 0x0);
regmap_write(bc->regmap, HDMI_RTX_CLK_CTL1, 0x0);
regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0,
- BIT(0) | BIT(1) | BIT(10));
+ BIT(0) | BIT(1) | BIT(10) | BIT(11));
regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(0));

/*
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 2dcb0146c17e..f6aada5150f9 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -10475,16 +10475,6 @@ int ufshcd_system_thaw(struct device *dev)
EXPORT_SYMBOL_GPL(ufshcd_system_thaw);
#endif /* CONFIG_PM_SLEEP */

-/**
- * ufshcd_dealloc_host - deallocate Host Bus Adapter (HBA)
- * @hba: pointer to Host Bus Adapter (HBA)
- */
-void ufshcd_dealloc_host(struct ufs_hba *hba)
-{
- scsi_host_put(hba->host);
-}
-EXPORT_SYMBOL_GPL(ufshcd_dealloc_host);
-
/**
* ufshcd_set_dma_mask - Set dma mask based on the controller
* addressing capability
@@ -10503,12 +10493,26 @@ static int ufshcd_set_dma_mask(struct ufs_hba *hba)
return dma_set_mask_and_coherent(hba->dev, DMA_BIT_MASK(32));
}

+/**
+ * ufshcd_devres_release - devres cleanup handler, invoked during release of
+ * hba->dev
+ * @host: pointer to SCSI host
+ */
+static void ufshcd_devres_release(void *host)
+{
+ scsi_host_put(host);
+}
+
/**
* ufshcd_alloc_host - allocate Host Bus Adapter (HBA)
* @dev: pointer to device handle
* @hba_handle: driver private handle
*
* Return: 0 on success, non-zero value on failure.
+ *
+ * NOTE: There is no corresponding ufshcd_dealloc_host() because this function
+ * keeps track of its allocations using devres and deallocates everything on
+ * device removal automatically.
*/
int ufshcd_alloc_host(struct device *dev, struct ufs_hba **hba_handle)
{
@@ -10530,6 +10534,13 @@ int ufshcd_alloc_host(struct device *dev, struct ufs_hba **hba_handle)
err = -ENOMEM;
goto out_error;
}
+
+ err = devm_add_action_or_reset(dev, ufshcd_devres_release,
+ host);
+ if (err)
+ return dev_err_probe(dev, err,
+ "failed to add ufshcd dealloc action\n");
+
host->nr_maps = HCTX_TYPE_POLL + 1;
hba = shost_priv(host);
hba->host = host;
diff --git a/drivers/ufs/host/ufshcd-pci.c b/drivers/ufs/host/ufshcd-pci.c
index 4ecaaf52b3e9..3ff799497191 100644
--- a/drivers/ufs/host/ufshcd-pci.c
+++ b/drivers/ufs/host/ufshcd-pci.c
@@ -620,7 +620,6 @@ static void ufshcd_pci_remove(struct pci_dev *pdev)
pm_runtime_forbid(&pdev->dev);
pm_runtime_get_noresume(&pdev->dev);
ufshcd_remove(hba);
- ufshcd_dealloc_host(hba);
}

/**
@@ -665,7 +664,6 @@ ufshcd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
err = ufshcd_init(hba, mmio_base, pdev->irq);
if (err) {
dev_err(&pdev->dev, "Initialization failed\n");
- ufshcd_dealloc_host(hba);
return err;
}

diff --git a/drivers/ufs/host/ufshcd-pltfrm.c b/drivers/ufs/host/ufshcd-pltfrm.c
index 797a4dfe45d9..0112ecbebe46 100644
--- a/drivers/ufs/host/ufshcd-pltfrm.c
+++ b/drivers/ufs/host/ufshcd-pltfrm.c
@@ -339,21 +339,17 @@ int ufshcd_pltfrm_init(struct platform_device *pdev,
struct device *dev = &pdev->dev;

mmio_base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(mmio_base)) {
- err = PTR_ERR(mmio_base);
- goto out;
- }
+ if (IS_ERR(mmio_base))
+ return PTR_ERR(mmio_base);

irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- err = irq;
- goto out;
- }
+ if (irq < 0)
+ return irq;

err = ufshcd_alloc_host(dev, &hba);
if (err) {
dev_err(dev, "Allocation failed\n");
- goto out;
+ return err;
}

hba->vops = vops;
@@ -362,13 +358,13 @@ int ufshcd_pltfrm_init(struct platform_device *pdev,
if (err) {
dev_err(dev, "%s: clock parse failed %d\n",
__func__, err);
- goto dealloc_host;
+ return err;
}
err = ufshcd_parse_regulator_info(hba);
if (err) {
dev_err(dev, "%s: regulator init failed %d\n",
__func__, err);
- goto dealloc_host;
+ return err;
}

ufshcd_init_lanes_per_dir(hba);
@@ -377,18 +373,13 @@ int ufshcd_pltfrm_init(struct platform_device *pdev,
if (err) {
dev_err_probe(dev, err, "Initialization failed with error %d\n",
err);
- goto dealloc_host;
+ return err;
}

pm_runtime_set_active(dev);
pm_runtime_enable(dev);

return 0;
-
-dealloc_host:
- ufshcd_dealloc_host(hba);
-out:
- return err;
}
EXPORT_SYMBOL_GPL(ufshcd_pltfrm_init);

diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index d8dafebeabea..2137513b23a0 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -1000,13 +1000,8 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f)
if (status)
goto fail;

- spin_lock_init(&hidg->write_spinlock);
hidg->write_pending = 1;
hidg->req = NULL;
- spin_lock_init(&hidg->read_spinlock);
- init_waitqueue_head(&hidg->write_queue);
- init_waitqueue_head(&hidg->read_queue);
- INIT_LIST_HEAD(&hidg->completed_out_req);

/* create char device */
cdev_init(&hidg->cdev, &f_hidg_fops);
@@ -1275,6 +1270,12 @@ static struct usb_function *hidg_alloc(struct usb_function_instance *fi)

mutex_lock(&opts->lock);

+ spin_lock_init(&hidg->write_spinlock);
+ spin_lock_init(&hidg->read_spinlock);
+ init_waitqueue_head(&hidg->write_queue);
+ init_waitqueue_head(&hidg->read_queue);
+ INIT_LIST_HEAD(&hidg->completed_out_req);
+
device_initialize(&hidg->dev);
hidg->dev.release = hidg_release;
hidg->dev.class = &hidg_class;
diff --git a/include/net/netfilter/nf_conntrack_timeout.h b/include/net/netfilter/nf_conntrack_timeout.h
index 9fdaba911de6..3a66d4abb6d6 100644
--- a/include/net/netfilter/nf_conntrack_timeout.h
+++ b/include/net/netfilter/nf_conntrack_timeout.h
@@ -14,6 +14,7 @@
struct nf_ct_timeout {
__u16 l3num;
const struct nf_conntrack_l4proto *l4proto;
+ struct rcu_head rcu;
char data[];
};

diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index ceb09fabfb04..6965099dda89 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -294,7 +294,7 @@
EM(rxrpc_call_see_release, "SEE release ") \
EM(rxrpc_call_see_userid_exists, "SEE u-exists") \
EM(rxrpc_call_see_waiting_call, "SEE q-conn ") \
- E_(rxrpc_call_see_zap, "SEE zap ")
+ E_(rxrpc_call_see_still_live, "SEE !still-l")

#define rxrpc_txqueue_traces \
EM(rxrpc_txqueue_await_reply, "AWR") \
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index 8d2efb9e5d66..60942ed0040f 100644
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -1286,7 +1286,6 @@ static inline void ufshcd_rmwl(struct ufs_hba *hba, u32 mask, u32 val, u32 reg)
}

int ufshcd_alloc_host(struct device *, struct ufs_hba **);
-void ufshcd_dealloc_host(struct ufs_hba *);
int ufshcd_hba_enable(struct ufs_hba *hba);
int ufshcd_init(struct ufs_hba *, void __iomem *, unsigned int);
int ufshcd_link_recovery(struct ufs_hba *hba);
diff --git a/lib/crypto/chacha.c b/lib/crypto/chacha.c
index b748fd3d256e..1bff9f283777 100644
--- a/lib/crypto/chacha.c
+++ b/lib/crypto/chacha.c
@@ -86,6 +86,8 @@ void chacha_block_generic(u32 *state, u8 *stream, int nrounds)
put_unaligned_le32(x[i] + state[i], &stream[i * sizeof(u32)]);

state[12]++;
+
+ memzero_explicit(x, sizeof(x));
}
EXPORT_SYMBOL(chacha_block_generic);

@@ -110,5 +112,7 @@ void hchacha_block_generic(const u32 *state, u32 *stream, int nrounds)

memcpy(&stream[0], &x[0], 16);
memcpy(&stream[4], &x[12], 16);
+
+ memzero_explicit(x, sizeof(x));
}
EXPORT_SYMBOL(hchacha_block_generic);
diff --git a/mm/filemap.c b/mm/filemap.c
index 1c229b261a62..7416868d0449 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -3616,14 +3616,19 @@ vm_fault_t filemap_map_pages(struct vm_fault *vmf,
unsigned int nr_pages = 0, mmap_miss = 0, mmap_miss_saved;
bool can_map_large;

+ /*
+ * Recalculate end_pgoff based on file_end before calling
+ * next_uptodate_folio() to avoid races with concurrent
+ * truncation.
+ */
+ file_end = DIV_ROUND_UP(i_size_read(mapping->host), PAGE_SIZE) - 1;
+ end_pgoff = min(end_pgoff, file_end);
+
rcu_read_lock();
folio = next_uptodate_folio(&xas, mapping, end_pgoff);
if (!folio)
goto out;

- file_end = DIV_ROUND_UP(i_size_read(mapping->host), PAGE_SIZE) - 1;
- end_pgoff = min(end_pgoff, file_end);
-
/*
* Do not allow to map with PTEs beyond i_size and with PMD
* across i_size to preserve SIGBUS semantics.
diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index 37ce6cfb3520..96b3c1c972cd 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -2132,6 +2132,7 @@ batadv_bla_claim_dump_entry(struct sk_buff *msg, u32 portid,
struct batadv_bla_claim *claim)
{
const u8 *primary_addr = primary_if->net_dev->dev_addr;
+ struct batadv_bla_backbone_gw *backbone_gw;
u16 backbone_crc;
bool is_own;
void *hdr;
@@ -2147,32 +2148,35 @@ batadv_bla_claim_dump_entry(struct sk_buff *msg, u32 portid,

genl_dump_check_consistent(cb, hdr);

- is_own = batadv_compare_eth(claim->backbone_gw->orig,
- primary_addr);
+ backbone_gw = batadv_bla_claim_get_backbone_gw(claim);
+
+ is_own = batadv_compare_eth(backbone_gw->orig, primary_addr);

- spin_lock_bh(&claim->backbone_gw->crc_lock);
- backbone_crc = claim->backbone_gw->crc;
- spin_unlock_bh(&claim->backbone_gw->crc_lock);
+ spin_lock_bh(&backbone_gw->crc_lock);
+ backbone_crc = backbone_gw->crc;
+ spin_unlock_bh(&backbone_gw->crc_lock);

if (is_own)
if (nla_put_flag(msg, BATADV_ATTR_BLA_OWN)) {
genlmsg_cancel(msg, hdr);
- goto out;
+ goto put_backbone_gw;
}

if (nla_put(msg, BATADV_ATTR_BLA_ADDRESS, ETH_ALEN, claim->addr) ||
nla_put_u16(msg, BATADV_ATTR_BLA_VID, claim->vid) ||
nla_put(msg, BATADV_ATTR_BLA_BACKBONE, ETH_ALEN,
- claim->backbone_gw->orig) ||
+ backbone_gw->orig) ||
nla_put_u16(msg, BATADV_ATTR_BLA_CRC,
backbone_crc)) {
genlmsg_cancel(msg, hdr);
- goto out;
+ goto put_backbone_gw;
}

genlmsg_end(msg, hdr);
ret = 0;

+put_backbone_gw:
+ batadv_backbone_gw_put(backbone_gw);
out:
return ret;
}
@@ -2468,6 +2472,7 @@ int batadv_bla_backbone_dump(struct sk_buff *msg, struct netlink_callback *cb)
bool batadv_bla_check_claim(struct batadv_priv *bat_priv,
u8 *addr, unsigned short vid)
{
+ struct batadv_bla_backbone_gw *backbone_gw;
struct batadv_bla_claim search_claim;
struct batadv_bla_claim *claim = NULL;
struct batadv_hard_iface *primary_if = NULL;
@@ -2490,9 +2495,13 @@ bool batadv_bla_check_claim(struct batadv_priv *bat_priv,
* return false.
*/
if (claim) {
- if (!batadv_compare_eth(claim->backbone_gw->orig,
+ backbone_gw = batadv_bla_claim_get_backbone_gw(claim);
+
+ if (!batadv_compare_eth(backbone_gw->orig,
primary_if->net_dev->dev_addr))
ret = false;
+
+ batadv_backbone_gw_put(backbone_gw);
batadv_claim_put(claim);
}

diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 53dea8ae96e4..d830ccf01669 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -844,8 +844,8 @@ batadv_tt_prepare_tvlv_global_data(struct batadv_orig_node *orig_node,
{
u16 num_vlan = 0;
u16 num_entries = 0;
- u16 change_offset;
- u16 tvlv_len;
+ u16 tvlv_len = 0;
+ unsigned int change_offset;
struct batadv_tvlv_tt_vlan_data *tt_vlan;
struct batadv_orig_node_vlan *vlan;
u8 *tt_change_ptr;
@@ -863,6 +863,11 @@ batadv_tt_prepare_tvlv_global_data(struct batadv_orig_node *orig_node,
if (*tt_len < 0)
*tt_len = batadv_tt_len(num_entries);

+ if (change_offset > U16_MAX || *tt_len > U16_MAX - change_offset) {
+ *tt_len = 0;
+ goto out;
+ }
+
tvlv_len = *tt_len;
tvlv_len += change_offset;

diff --git a/net/ipv6/seg6_iptunnel.c b/net/ipv6/seg6_iptunnel.c
index c44e4c0824e0..50bc05b85329 100644
--- a/net/ipv6/seg6_iptunnel.c
+++ b/net/ipv6/seg6_iptunnel.c
@@ -48,7 +48,8 @@ static size_t seg6_lwt_headroom(struct seg6_iptunnel_encap *tuninfo)
}

struct seg6_lwt {
- struct dst_cache cache;
+ struct dst_cache cache_input;
+ struct dst_cache cache_output;
struct seg6_iptunnel_encap tuninfo[];
};

@@ -486,7 +487,7 @@ static int seg6_input_core(struct net *net, struct sock *sk,
slwt = seg6_lwt_lwtunnel(lwtst);

local_bh_disable();
- dst = dst_cache_get(&slwt->cache);
+ dst = dst_cache_get(&slwt->cache_input);
local_bh_enable();

err = seg6_do_srh(skb, dst);
@@ -500,7 +501,7 @@ static int seg6_input_core(struct net *net, struct sock *sk,
/* cache only if we don't create a dst reference loop */
if (!dst->error && lwtst != dst->lwtstate) {
local_bh_disable();
- dst_cache_set_ip6(&slwt->cache, dst,
+ dst_cache_set_ip6(&slwt->cache_input, dst,
&ipv6_hdr(skb)->saddr);
local_bh_enable();
}
@@ -560,7 +561,7 @@ static int seg6_output_core(struct net *net, struct sock *sk,
slwt = seg6_lwt_lwtunnel(orig_dst->lwtstate);

local_bh_disable();
- dst = dst_cache_get(&slwt->cache);
+ dst = dst_cache_get(&slwt->cache_output);
local_bh_enable();

err = seg6_do_srh(skb, dst);
@@ -585,9 +586,12 @@ static int seg6_output_core(struct net *net, struct sock *sk,
goto drop;
}

- local_bh_disable();
- dst_cache_set_ip6(&slwt->cache, dst, &fl6.saddr);
- local_bh_enable();
+ /* cache only if we don't create a dst reference loop */
+ if (orig_dst->lwtstate != dst->lwtstate) {
+ local_bh_disable();
+ dst_cache_set_ip6(&slwt->cache_output, dst, &fl6.saddr);
+ local_bh_enable();
+ }

err = skb_cow_head(skb, LL_RESERVED_SPACE(dst->dev));
if (unlikely(err))
@@ -694,11 +698,13 @@ static int seg6_build_state(struct net *net, struct nlattr *nla,

slwt = seg6_lwt_lwtunnel(newts);

- err = dst_cache_init(&slwt->cache, GFP_ATOMIC);
- if (err) {
- kfree(newts);
- return err;
- }
+ err = dst_cache_init(&slwt->cache_input, GFP_ATOMIC);
+ if (err)
+ goto err_free_newts;
+
+ err = dst_cache_init(&slwt->cache_output, GFP_ATOMIC);
+ if (err)
+ goto err_destroy_input;

memcpy(&slwt->tuninfo, tuninfo, tuninfo_len);

@@ -713,11 +719,20 @@ static int seg6_build_state(struct net *net, struct nlattr *nla,
*ts = newts;

return 0;
+
+err_destroy_input:
+ dst_cache_destroy(&slwt->cache_input);
+err_free_newts:
+ kfree(newts);
+ return err;
}

static void seg6_destroy_state(struct lwtunnel_state *lwt)
{
- dst_cache_destroy(&seg6_lwt_lwtunnel(lwt)->cache);
+ struct seg6_lwt *slwt = seg6_lwt_lwtunnel(lwt);
+
+ dst_cache_destroy(&slwt->cache_input);
+ dst_cache_destroy(&slwt->cache_output);
}

static int seg6_fill_encap_info(struct sk_buff *skb,
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 269e95c8415f..28f8d7fb7bdf 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -1079,7 +1079,7 @@ static void __mptcp_pm_release_addr_entry(struct mptcp_pm_addr_entry *entry)

static int mptcp_pm_nl_append_new_local_addr(struct pm_nl_pernet *pernet,
struct mptcp_pm_addr_entry *entry,
- bool needs_id, bool replace)
+ bool replace)
{
struct mptcp_pm_addr_entry *cur, *del_entry = NULL;
unsigned int addr_max;
@@ -1138,7 +1138,7 @@ static int mptcp_pm_nl_append_new_local_addr(struct pm_nl_pernet *pernet,
}
}

- if (!entry->addr.id && needs_id) {
+ if (!entry->addr.id) {
find_next:
entry->addr.id = find_next_zero_bit(pernet->id_bitmap,
MPTCP_PM_MAX_ADDR_ID + 1,
@@ -1149,7 +1149,7 @@ static int mptcp_pm_nl_append_new_local_addr(struct pm_nl_pernet *pernet,
}
}

- if (!entry->addr.id && needs_id)
+ if (!entry->addr.id)
goto out;

__set_bit(entry->addr.id, pernet->id_bitmap);
@@ -1282,7 +1282,7 @@ int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, struct mptcp_addr_info *skc
entry->ifindex = 0;
entry->flags = MPTCP_PM_ADDR_FLAG_IMPLICIT;
entry->lsk = NULL;
- ret = mptcp_pm_nl_append_new_local_addr(pernet, entry, true, false);
+ ret = mptcp_pm_nl_append_new_local_addr(pernet, entry, false);
if (ret < 0)
kfree(entry);

@@ -1524,18 +1524,6 @@ static int mptcp_nl_add_subflow_or_signal_addr(struct net *net,
return 0;
}

-static bool mptcp_pm_has_addr_attr_id(const struct nlattr *attr,
- struct genl_info *info)
-{
- struct nlattr *tb[MPTCP_PM_ADDR_ATTR_MAX + 1];
-
- if (!nla_parse_nested_deprecated(tb, MPTCP_PM_ADDR_ATTR_MAX, attr,
- mptcp_pm_addr_policy, info->extack) &&
- tb[MPTCP_PM_ADDR_ATTR_ID])
- return true;
- return false;
-}
-
static int mptcp_nl_cmd_add_addr(struct sk_buff *skb, struct genl_info *info)
{
struct nlattr *attr = info->attrs[MPTCP_PM_ATTR_ADDR];
@@ -1577,9 +1565,7 @@ static int mptcp_nl_cmd_add_addr(struct sk_buff *skb, struct genl_info *info)
goto out_free;
}
}
- ret = mptcp_pm_nl_append_new_local_addr(pernet, entry,
- !mptcp_pm_has_addr_attr_id(attr, info),
- true);
+ ret = mptcp_pm_nl_append_new_local_addr(pernet, entry, true);
if (ret < 0) {
GENL_SET_ERR_MSG_FMT(info, "too many addresses or duplicate one: %d", ret);
goto out_free;
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 85ef9042873b..6bf6bd741cba 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -4301,6 +4301,8 @@ int __init mptcp_proto_v6_init(void)
{
int err;

+ mptcp_subflow_v6_init();
+
mptcp_v6_prot = mptcp_prot;
strcpy(mptcp_v6_prot.name, "MPTCPv6");
mptcp_v6_prot.slab = NULL;
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 93be4c0432d1..fbb3897c9c2c 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -746,6 +746,7 @@ static inline void mptcp_subflow_tcp_fallback(struct sock *sk,
void __init mptcp_proto_init(void);
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
int __init mptcp_proto_v6_init(void);
+void __init mptcp_subflow_v6_init(void);
#endif

struct sock *mptcp_sk_clone_init(const struct sock *sk,
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index c34f9f176587..36c6d76f18df 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -2092,7 +2092,15 @@ void __init mptcp_subflow_init(void)
tcp_prot_override.psock_update_sk_prot = NULL;
#endif

+ mptcp_diag_subflow_init(&subflow_ulp_ops);
+
+ if (tcp_register_ulp(&subflow_ulp_ops) != 0)
+ panic("MPTCP: failed to register subflows to ULP\n");
+}
+
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
+void __init mptcp_subflow_v6_init(void)
+{
/* In struct mptcp_subflow_request_sock, we assume the TCP request sock
* structures for v4 and v6 have the same size. It should not changed in
* the future but better to make sure to be warned if it is no longer
@@ -2132,10 +2140,5 @@ void __init mptcp_subflow_init(void)
/* Disable sockmap processing for subflows */
tcpv6_prot_override.psock_update_sk_prot = NULL;
#endif
-#endif
-
- mptcp_diag_subflow_init(&subflow_ulp_ops);
-
- if (tcp_register_ulp(&subflow_ulp_ops) != 0)
- panic("MPTCP: failed to register subflows to ULP\n");
}
+#endif
diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index 128eb0ac3774..7ed103de9b76 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -1002,7 +1002,7 @@ static void nft_ct_timeout_obj_destroy(const struct nft_ctx *ctx,
nf_queue_nf_hook_drop(ctx->net);
nf_ct_untimeout(ctx->net, timeout);
nf_ct_netns_put(ctx->net, ctx->family);
- kfree(priv->timeout);
+ kfree_rcu(priv->timeout, rcu);
}

static int nft_ct_timeout_obj_dump(struct sk_buff *skb,
diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c
index 00a13c50ec8b..e55664ca2aad 100644
--- a/net/netfilter/nft_set_pipapo.c
+++ b/net/netfilter/nft_set_pipapo.c
@@ -525,6 +525,8 @@ static struct nft_pipapo_elem *pipapo_get(const struct net *net,
int i;

m = priv->clone;
+ if (m->bsize_max == 0)
+ return ret;

res_map = kmalloc_array(m->bsize_max, sizeof(*res_map), GFP_ATOMIC);
if (!res_map) {
@@ -1394,14 +1396,20 @@ static struct nft_pipapo_match *pipapo_clone(struct nft_pipapo_match *old)
src->bsize * sizeof(*dst->lt) *
src->groups * NFT_PIPAPO_BUCKETS(src->bb));

- if (src->rules > (INT_MAX / sizeof(*src->mt)))
- goto out_mt;
+ if (src->rules > 0) {
+ if (src->rules > (INT_MAX / sizeof(*src->mt)))
+ goto out_mt;
+
+ dst->mt = kvmalloc_array(src->rules, sizeof(*src->mt),
+ GFP_KERNEL);
+ if (!dst->mt)
+ goto out_mt;

- dst->mt = kvmalloc(src->rules * sizeof(*src->mt), GFP_KERNEL_ACCOUNT);
- if (!dst->mt)
- goto out_mt;
+ memcpy(dst->mt, src->mt, src->rules * sizeof(*src->mt));
+ } else {
+ dst->mt = NULL;
+ }

- memcpy(dst->mt, src->mt, src->rules * sizeof(*src->mt));
src++;
dst++;
}
diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index 14cc8fe8584b..5552604e83c9 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -73,11 +73,14 @@ struct rfkill_int_event {
struct rfkill_event_ext ev;
};

+/* Max rfkill events that can be "in-flight" for one data source */
+#define MAX_RFKILL_EVENT 1000
struct rfkill_data {
struct list_head list;
struct list_head events;
struct mutex mtx;
wait_queue_head_t read_wait;
+ u32 event_count;
bool input_handler;
u8 max_size;
};
@@ -255,10 +258,12 @@ static void rfkill_global_led_trigger_unregister(void)
}
#endif /* CONFIG_RFKILL_LEDS */

-static void rfkill_fill_event(struct rfkill_event_ext *ev,
- struct rfkill *rfkill,
- enum rfkill_operation op)
+static int rfkill_fill_event(struct rfkill_int_event *int_ev,
+ struct rfkill *rfkill,
+ struct rfkill_data *data,
+ enum rfkill_operation op)
{
+ struct rfkill_event_ext *ev = &int_ev->ev;
unsigned long flags;

ev->idx = rfkill->idx;
@@ -271,6 +276,15 @@ static void rfkill_fill_event(struct rfkill_event_ext *ev,
RFKILL_BLOCK_SW_PREV));
ev->hard_block_reasons = rfkill->hard_block_reasons;
spin_unlock_irqrestore(&rfkill->lock, flags);
+
+ scoped_guard(mutex, &data->mtx) {
+ if (data->event_count++ > MAX_RFKILL_EVENT) {
+ data->event_count--;
+ return -ENOSPC;
+ }
+ list_add_tail(&int_ev->list, &data->events);
+ }
+ return 0;
}

static void rfkill_send_events(struct rfkill *rfkill, enum rfkill_operation op)
@@ -282,10 +296,10 @@ static void rfkill_send_events(struct rfkill *rfkill, enum rfkill_operation op)
ev = kzalloc(sizeof(*ev), GFP_KERNEL);
if (!ev)
continue;
- rfkill_fill_event(&ev->ev, rfkill, op);
- mutex_lock(&data->mtx);
- list_add_tail(&ev->list, &data->events);
- mutex_unlock(&data->mtx);
+ if (rfkill_fill_event(ev, rfkill, data, op)) {
+ kfree(ev);
+ continue;
+ }
wake_up_interruptible(&data->read_wait);
}
}
@@ -1190,10 +1204,8 @@ static int rfkill_fop_open(struct inode *inode, struct file *file)
if (!ev)
goto free;
rfkill_sync(rfkill);
- rfkill_fill_event(&ev->ev, rfkill, RFKILL_OP_ADD);
- mutex_lock(&data->mtx);
- list_add_tail(&ev->list, &data->events);
- mutex_unlock(&data->mtx);
+ if (rfkill_fill_event(ev, rfkill, data, RFKILL_OP_ADD))
+ kfree(ev);
}
list_add(&data->list, &rfkill_fds);
mutex_unlock(&rfkill_global_mutex);
@@ -1263,6 +1275,7 @@ static ssize_t rfkill_fop_read(struct file *file, char __user *buf,
ret = -EFAULT;

list_del(&ev->list);
+ data->event_count--;
kfree(ev);
out:
mutex_unlock(&data->mtx);
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index 205e0d4d048e..0547c809876e 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -635,9 +635,6 @@ static int rxrpc_setsockopt(struct socket *sock, int level, int optname,
goto success;

case RXRPC_SECURITY_KEY:
- ret = -EINVAL;
- if (rx->key)
- goto error;
ret = -EISCONN;
if (rx->sk.sk_state != RXRPC_UNBOUND)
goto error;
@@ -645,9 +642,6 @@ static int rxrpc_setsockopt(struct socket *sock, int level, int optname,
goto error;

case RXRPC_SECURITY_KEYRING:
- ret = -EINVAL;
- if (rx->key)
- goto error;
ret = -EISCONN;
if (rx->sk.sk_state != RXRPC_UNBOUND)
goto error;
diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c
index 4f8e8f884d10..42d8b0bada4a 100644
--- a/net/rxrpc/call_object.c
+++ b/net/rxrpc/call_object.c
@@ -645,11 +645,9 @@ void rxrpc_put_call(struct rxrpc_call *call, enum rxrpc_call_trace why)
if (dead) {
ASSERTCMP(__rxrpc_call_state(call), ==, RXRPC_CALL_COMPLETE);

- if (!list_empty(&call->link)) {
- spin_lock(&rxnet->call_lock);
- list_del_init(&call->link);
- spin_unlock(&rxnet->call_lock);
- }
+ spin_lock(&rxnet->call_lock);
+ list_del_rcu(&call->link);
+ spin_unlock(&rxnet->call_lock);

rxrpc_cleanup_call(call);
}
@@ -697,6 +695,7 @@ static void rxrpc_destroy_call(struct work_struct *work)
rxrpc_put_bundle(call->bundle, rxrpc_bundle_put_call);
rxrpc_put_peer(call->peer, rxrpc_peer_put_call);
rxrpc_put_local(call->local, rxrpc_local_put_call);
+ key_put(call->key);
call_rcu(&call->rcu, rxrpc_rcu_free_call);
}

@@ -733,24 +732,20 @@ void rxrpc_destroy_all_calls(struct rxrpc_net *rxnet)
_enter("");

if (!list_empty(&rxnet->calls)) {
- spin_lock(&rxnet->call_lock);
+ int shown = 0;

- while (!list_empty(&rxnet->calls)) {
- call = list_entry(rxnet->calls.next,
- struct rxrpc_call, link);
- _debug("Zapping call %p", call);
+ spin_lock(&rxnet->call_lock);

- rxrpc_see_call(call, rxrpc_call_see_zap);
- list_del_init(&call->link);
+ list_for_each_entry(call, &rxnet->calls, link) {
+ rxrpc_see_call(call, rxrpc_call_see_still_live);

pr_err("Call %p still in use (%d,%s,%lx,%lx)!\n",
call, refcount_read(&call->ref),
rxrpc_call_states[__rxrpc_call_state(call)],
call->flags, call->events);

- spin_unlock(&rxnet->call_lock);
- cond_resched();
- spin_lock(&rxnet->call_lock);
+ if (++shown >= 10)
+ break;
}

spin_unlock(&rxnet->call_lock);
diff --git a/net/rxrpc/io_thread.c b/net/rxrpc/io_thread.c
index d7e72bae4d2b..0491f2bbf61e 100644
--- a/net/rxrpc/io_thread.c
+++ b/net/rxrpc/io_thread.c
@@ -389,7 +389,8 @@ static int rxrpc_input_packet_on_conn(struct rxrpc_connection *conn,

if (sp->hdr.callNumber > chan->call_id) {
if (rxrpc_to_client(sp)) {
- rxrpc_put_call(call, rxrpc_call_put_input);
+ if (call)
+ rxrpc_put_call(call, rxrpc_call_put_input);
return rxrpc_protocol_error(skb,
rxrpc_eproto_unexpected_implicit_end);
}
diff --git a/net/rxrpc/key.c b/net/rxrpc/key.c
index 33e8302a79e3..2396eecf1311 100644
--- a/net/rxrpc/key.c
+++ b/net/rxrpc/key.c
@@ -452,7 +452,7 @@ int rxrpc_request_key(struct rxrpc_sock *rx, sockptr_t optval, int optlen)

_enter("");

- if (optlen <= 0 || optlen > PAGE_SIZE - 1 || rx->securities)
+ if (optlen <= 0 || optlen > PAGE_SIZE - 1 || rx->key)
return -EINVAL;

description = memdup_sockptr_nul(optval, optlen);
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index e3c99a016f8c..149939d19b00 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -189,6 +189,7 @@ static int rxkad_prime_packet_security(struct rxrpc_connection *conn,
struct rxrpc_crypt iv;
__be32 *tmpbuf;
size_t tmpsize = 4 * sizeof(__be32);
+ int ret;

_enter("");

@@ -217,13 +218,13 @@ static int rxkad_prime_packet_security(struct rxrpc_connection *conn,
skcipher_request_set_sync_tfm(req, ci);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, &sg, &sg, tmpsize, iv.x);
- crypto_skcipher_encrypt(req);
+ ret = crypto_skcipher_encrypt(req);
skcipher_request_free(req);

memcpy(&conn->rxkad.csum_iv, tmpbuf + 2, sizeof(conn->rxkad.csum_iv));
kfree(tmpbuf);
- _leave(" = 0");
- return 0;
+ _leave(" = %d", ret);
+ return ret;
}

/*
@@ -256,6 +257,7 @@ static int rxkad_secure_packet_auth(const struct rxrpc_call *call,
struct scatterlist sg;
size_t pad;
u16 check;
+ int ret;

_enter("");

@@ -278,11 +280,11 @@ static int rxkad_secure_packet_auth(const struct rxrpc_call *call,
skcipher_request_set_sync_tfm(req, call->conn->rxkad.cipher);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, &sg, &sg, 8, iv.x);
- crypto_skcipher_encrypt(req);
+ ret = crypto_skcipher_encrypt(req);
skcipher_request_zero(req);

- _leave(" = 0");
- return 0;
+ _leave(" = %d", ret);
+ return ret;
}

/*
@@ -340,7 +342,7 @@ static int rxkad_secure_packet(struct rxrpc_call *call, struct rxrpc_txbuf *txb)
union {
__be32 buf[2];
} crypto __aligned(8);
- u32 x, y;
+ u32 x, y = 0;
int ret;

_enter("{%d{%x}},{#%u},%u,",
@@ -371,8 +373,10 @@ static int rxkad_secure_packet(struct rxrpc_call *call, struct rxrpc_txbuf *txb)
skcipher_request_set_sync_tfm(req, call->conn->rxkad.cipher);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, &sg, &sg, 8, iv.x);
- crypto_skcipher_encrypt(req);
+ ret = crypto_skcipher_encrypt(req);
skcipher_request_zero(req);
+ if (ret < 0)
+ goto out;

y = ntohl(crypto.buf[1]);
y = (y >> 16) & 0xffff;
@@ -395,6 +399,7 @@ static int rxkad_secure_packet(struct rxrpc_call *call, struct rxrpc_txbuf *txb)
break;
}

+out:
skcipher_request_free(req);
_leave(" = %d [set %x]", ret, y);
return ret;
@@ -435,8 +440,10 @@ static int rxkad_verify_packet_1(struct rxrpc_call *call, struct sk_buff *skb,
skcipher_request_set_sync_tfm(req, call->conn->rxkad.cipher);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, sg, sg, 8, iv.x);
- crypto_skcipher_decrypt(req);
+ ret = crypto_skcipher_decrypt(req);
skcipher_request_zero(req);
+ if (ret < 0)
+ return ret;

/* Extract the decrypted packet length */
if (skb_copy_bits(skb, sp->offset, &sechdr, sizeof(sechdr)) < 0)
@@ -513,10 +520,14 @@ static int rxkad_verify_packet_2(struct rxrpc_call *call, struct sk_buff *skb,
skcipher_request_set_sync_tfm(req, call->conn->rxkad.cipher);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, sg, sg, sp->len, iv.x);
- crypto_skcipher_decrypt(req);
+ ret = crypto_skcipher_decrypt(req);
skcipher_request_zero(req);
if (sg != _sg)
kfree(sg);
+ if (ret < 0) {
+ WARN_ON_ONCE(ret != -ENOMEM);
+ return ret;
+ }

/* Extract the decrypted packet length */
if (skb_copy_bits(skb, sp->offset, &sechdr, sizeof(sechdr)) < 0)
@@ -584,8 +595,10 @@ static int rxkad_verify_packet(struct rxrpc_call *call, struct sk_buff *skb)
skcipher_request_set_sync_tfm(req, call->conn->rxkad.cipher);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, &sg, &sg, 8, iv.x);
- crypto_skcipher_encrypt(req);
+ ret = crypto_skcipher_encrypt(req);
skcipher_request_zero(req);
+ if (ret < 0)
+ goto out;

y = ntohl(crypto.buf[1]);
cksum = (y >> 16) & 0xffff;
@@ -869,6 +882,7 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
struct in_addr addr;
unsigned int life;
time64_t issue, now;
+ int ret;
bool little_endian;
u8 *p, *q, *name, *end;

@@ -888,8 +902,11 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
sg_init_one(&sg[0], ticket, ticket_len);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, sg, sg, ticket_len, iv.x);
- crypto_skcipher_decrypt(req);
+ ret = crypto_skcipher_decrypt(req);
skcipher_request_free(req);
+ if (ret < 0)
+ return rxrpc_abort_conn(conn, skb, RXKADBADTICKET, -EPROTO,
+ rxkad_abort_resp_tkt_short);

p = ticket;
end = p + ticket_len;
@@ -984,21 +1001,23 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
/*
* decrypt the response packet
*/
-static void rxkad_decrypt_response(struct rxrpc_connection *conn,
- struct rxkad_response *resp,
- const struct rxrpc_crypt *session_key)
+static int rxkad_decrypt_response(struct rxrpc_connection *conn,
+ struct rxkad_response *resp,
+ const struct rxrpc_crypt *session_key)
{
struct skcipher_request *req = rxkad_ci_req;
struct scatterlist sg[1];
struct rxrpc_crypt iv;
+ int ret;

_enter(",,%08x%08x",
ntohl(session_key->n[0]), ntohl(session_key->n[1]));

mutex_lock(&rxkad_ci_mutex);
- if (crypto_sync_skcipher_setkey(rxkad_ci, session_key->x,
- sizeof(*session_key)) < 0)
- BUG();
+ ret = crypto_sync_skcipher_setkey(rxkad_ci, session_key->x,
+ sizeof(*session_key));
+ if (ret < 0)
+ goto unlock;

memcpy(&iv, session_key, sizeof(iv));

@@ -1007,12 +1026,14 @@ static void rxkad_decrypt_response(struct rxrpc_connection *conn,
skcipher_request_set_sync_tfm(req, rxkad_ci);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, sg, sg, sizeof(resp->encrypted), iv.x);
- crypto_skcipher_decrypt(req);
+ ret = crypto_skcipher_decrypt(req);
skcipher_request_zero(req);

+unlock:
mutex_unlock(&rxkad_ci_mutex);

_leave("");
+ return ret;
}

/*
@@ -1105,7 +1126,9 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,

/* use the session key from inside the ticket to decrypt the
* response */
- rxkad_decrypt_response(conn, response, &session_key);
+ ret = rxkad_decrypt_response(conn, response, &session_key);
+ if (ret < 0)
+ goto temporary_error_free_ticket;

if (ntohl(response->encrypted.epoch) != conn->proto.epoch ||
ntohl(response->encrypted.cid) != conn->proto.cid ||
diff --git a/net/rxrpc/server_key.c b/net/rxrpc/server_key.c
index e51940589ee5..9d95a6055b70 100644
--- a/net/rxrpc/server_key.c
+++ b/net/rxrpc/server_key.c
@@ -125,6 +125,9 @@ int rxrpc_server_keyring(struct rxrpc_sock *rx, sockptr_t optval, int optlen)

_enter("");

+ if (rx->securities)
+ return -EINVAL;
+
if (optlen <= 0 || optlen > PAGE_SIZE - 1)
return -EINVAL;

diff --git a/net/tipc/group.c b/net/tipc/group.c
index 3e137d8c9d2f..215f2a7d8458 100644
--- a/net/tipc/group.c
+++ b/net/tipc/group.c
@@ -746,6 +746,7 @@ void tipc_group_proto_rcv(struct tipc_group *grp, bool *usr_wakeup,
u32 port = msg_origport(hdr);
struct tipc_member *m, *pm;
u16 remitted, in_flight;
+ u16 acked;

if (!grp)
return;
@@ -798,7 +799,10 @@ void tipc_group_proto_rcv(struct tipc_group *grp, bool *usr_wakeup,
case GRP_ACK_MSG:
if (!m)
return;
- m->bc_acked = msg_grp_bc_acked(hdr);
+ acked = msg_grp_bc_acked(hdr);
+ if (less_eq(acked, m->bc_acked))
+ return;
+ m->bc_acked = acked;
if (--grp->bc_ackers)
return;
list_del_init(&m->small_win);
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index dc57b31a5fe5..d86a487065e9 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -584,6 +584,16 @@ static int tls_do_encryption(struct sock *sk,
if (rc == -EBUSY) {
rc = tls_encrypt_async_wait(ctx);
rc = rc ?: -EINPROGRESS;
+ /*
+ * The async callback tls_encrypt_done() has already
+ * decremented encrypt_pending and restored the sge on
+ * both success and error. Skip the synchronous cleanup
+ * below on error, just remove the record and return.
+ */
+ if (rc != -EINPROGRESS) {
+ list_del(&rec->list);
+ return rc;
+ }
}
if (!rc || rc != -EINPROGRESS) {
atomic_dec(&ctx->encrypt_pending);
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 5b3ab4532aec..74bee718573d 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -3583,6 +3583,8 @@ static int build_polexpire(struct sk_buff *skb, struct xfrm_policy *xp,
return err;
}
upe->hard = !!hard;
+ /* clear the padding bytes */
+ memset_after(upe, 0, hard);

nlmsg_end(skb, nlh);
return 0;
@@ -3740,6 +3742,7 @@ static int build_report(struct sk_buff *skb, u8 proto,
return -EMSGSIZE;

ur = nlmsg_data(nlh);
+ memset(ur, 0, sizeof(*ur));
ur->proto = proto;
memcpy(&ur->sel, sel, sizeof(ur->sel));

diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index 86ccd044b93c..a64484fe5a28 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -1061,6 +1061,7 @@ static int graph_get_dai_id(struct device_node *ep)
int asoc_graph_parse_dai(struct device *dev, struct device_node *ep,
struct snd_soc_dai_link_component *dlc, int *is_single_link)
{
+ struct device_node *node;
struct of_phandle_args args = {};
struct snd_soc_dai *dai;
int ret;
@@ -1068,7 +1069,7 @@ int asoc_graph_parse_dai(struct device *dev, struct device_node *ep,
if (!ep)
return 0;

- struct device_node *node __free(device_node) = of_graph_get_port_parent(ep);
+ node = of_graph_get_port_parent(ep);

/*
* Try to find from DAI node
@@ -1110,8 +1111,10 @@ int asoc_graph_parse_dai(struct device *dev, struct device_node *ep,
* if he unbinded CPU or Codec.
*/
ret = snd_soc_get_dlc(&args, dlc);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(node);
return ret;
+ }

parse_dai_end:
if (is_single_link)