Merge tag 's390-6.15-4' of git://git.kernel.org/pub/scm/linux/kernel/…

…git/s390/linux

Pull s390 fixes from Heiko Carstens:

 - Fix potential use-after-free bug and missing error handling in PCI
   code

 - Fix dcssblk build error

 - Fix last breaking event handling in case of stack corruption to allow
   for better error reporting

 - Update defconfigs

* tag 's390-6.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/pci: Fix duplicate pci_dev_put() in disable_slot() when PF has child VFs
  s390/pci: Fix missing check for zpci_create_device() error return
  s390: Update defconfigs
  s390/dcssblk: Fix build error with CONFIG_DAX=m and CONFIG_DCSSBLK=y
  s390/entry: Fix last breaking event handling in case of stack corruption
  s390/configs: Enable options required for TC flow offload
  s390/configs: Enable VDPA on Nvidia ConnectX-6 network card

arch/s390/configs/debug_defconfig

@@ -38,7 +38,6 @@ CONFIG_USER_NS=y
 CONFIG_CHECKPOINT_RESTORE=y
 CONFIG_SCHED_AUTOGROUP=y
 CONFIG_EXPERT=y
-# CONFIG_SYSFS_SYSCALL is not set
 CONFIG_PROFILING=y
 CONFIG_KEXEC=y
 CONFIG_KEXEC_FILE=y
@@ -92,7 +91,6 @@ CONFIG_UNIXWARE_DISKLABEL=y
 CONFIG_IOSCHED_BFQ=y
 CONFIG_BINFMT_MISC=m
 CONFIG_ZSWAP=y
-CONFIG_ZSMALLOC=y
 CONFIG_ZSMALLOC_STAT=y
 CONFIG_SLAB_BUCKETS=y
 CONFIG_SLUB_STATS=y
@@ -395,6 +393,9 @@ CONFIG_CLS_U32_MARK=y
 CONFIG_NET_CLS_FLOW=m
 CONFIG_NET_CLS_CGROUP=y
 CONFIG_NET_CLS_BPF=m
+CONFIG_NET_CLS_FLOWER=m
+CONFIG_NET_CLS_MATCHALL=m
+CONFIG_NET_EMATCH=y
 CONFIG_NET_CLS_ACT=y
 CONFIG_NET_ACT_POLICE=m
 CONFIG_NET_ACT_GACT=m
@@ -405,6 +406,9 @@ CONFIG_NET_ACT_PEDIT=m
 CONFIG_NET_ACT_SIMP=m
 CONFIG_NET_ACT_SKBEDIT=m
 CONFIG_NET_ACT_CSUM=m
+CONFIG_NET_ACT_VLAN=m
+CONFIG_NET_ACT_TUNNEL_KEY=m
+CONFIG_NET_ACT_CT=m
 CONFIG_NET_ACT_GATE=m
 CONFIG_NET_TC_SKB_EXT=y
 CONFIG_DNS_RESOLVER=y
@@ -628,8 +632,16 @@ CONFIG_VIRTIO_PCI=m
 CONFIG_VIRTIO_BALLOON=m
 CONFIG_VIRTIO_MEM=m
 CONFIG_VIRTIO_INPUT=y
+CONFIG_VDPA=m
+CONFIG_VDPA_SIM=m
+CONFIG_VDPA_SIM_NET=m
+CONFIG_VDPA_SIM_BLOCK=m
+CONFIG_VDPA_USER=m
+CONFIG_MLX5_VDPA_NET=m
+CONFIG_VP_VDPA=m
 CONFIG_VHOST_NET=m
 CONFIG_VHOST_VSOCK=m
+CONFIG_VHOST_VDPA=m
 CONFIG_EXT4_FS=y
 CONFIG_EXT4_FS_POSIX_ACL=y
 CONFIG_EXT4_FS_SECURITY=y
@@ -654,7 +666,6 @@ CONFIG_NILFS2_FS=m
 CONFIG_BCACHEFS_FS=y
 CONFIG_BCACHEFS_QUOTA=y
 CONFIG_BCACHEFS_POSIX_ACL=y
-CONFIG_FS_DAX=y
 CONFIG_EXPORTFS_BLOCK_OPS=y
 CONFIG_FS_ENCRYPTION=y
 CONFIG_FS_VERITY=y
@@ -724,11 +735,10 @@ CONFIG_NLS_UTF8=m
 CONFIG_DLM=m
 CONFIG_UNICODE=y
 CONFIG_PERSISTENT_KEYRINGS=y
+CONFIG_BIG_KEYS=y
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_KEY_NOTIFICATIONS=y
 CONFIG_SECURITY=y
-CONFIG_HARDENED_USERCOPY=y
-CONFIG_FORTIFY_SOURCE=y
 CONFIG_SECURITY_SELINUX=y
 CONFIG_SECURITY_SELINUX_BOOTPARAM=y
 CONFIG_SECURITY_LOCKDOWN_LSM=y
@@ -741,6 +751,8 @@ CONFIG_IMA=y
 CONFIG_IMA_DEFAULT_HASH_SHA256=y
 CONFIG_IMA_WRITE_POLICY=y
 CONFIG_IMA_APPRAISE=y
+CONFIG_FORTIFY_SOURCE=y
+CONFIG_HARDENED_USERCOPY=y
 CONFIG_BUG_ON_DATA_CORRUPTION=y
 CONFIG_CRYPTO_USER=m
 # CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
@@ -756,7 +768,6 @@ CONFIG_CRYPTO_AES_TI=m
 CONFIG_CRYPTO_ANUBIS=m
 CONFIG_CRYPTO_ARIA=m
 CONFIG_CRYPTO_BLOWFISH=m
-CONFIG_CRYPTO_CAMELLIA=m
 CONFIG_CRYPTO_CAST5=m
 CONFIG_CRYPTO_CAST6=m
 CONFIG_CRYPTO_DES=m
@@ -801,7 +812,6 @@ CONFIG_CRYPTO_SHA3_512_S390=m
 CONFIG_CRYPTO_GHASH_S390=m
 CONFIG_CRYPTO_AES_S390=m
 CONFIG_CRYPTO_DES_S390=m
-CONFIG_CRYPTO_CHACHA_S390=m
 CONFIG_CRYPTO_HMAC_S390=m
 CONFIG_ZCRYPT=m
 CONFIG_PKEY=m
@@ -812,9 +822,9 @@ CONFIG_PKEY_UV=m
 CONFIG_CRYPTO_PAES_S390=m
 CONFIG_CRYPTO_DEV_VIRTIO=m
 CONFIG_SYSTEM_BLACKLIST_KEYRING=y
+CONFIG_CRYPTO_KRB5=m
+CONFIG_CRYPTO_KRB5_SELFTESTS=y
 CONFIG_CORDIC=m
-CONFIG_CRYPTO_LIB_CURVE25519=m
-CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
 CONFIG_RANDOM32_SELFTEST=y
 CONFIG_XZ_DEC_MICROLZMA=y
 CONFIG_DMA_CMA=y

arch/s390/configs/defconfig

@@ -36,7 +36,6 @@ CONFIG_USER_NS=y
 CONFIG_CHECKPOINT_RESTORE=y
 CONFIG_SCHED_AUTOGROUP=y
 CONFIG_EXPERT=y
-# CONFIG_SYSFS_SYSCALL is not set
 CONFIG_PROFILING=y
 CONFIG_KEXEC=y
 CONFIG_KEXEC_FILE=y
@@ -86,7 +85,6 @@ CONFIG_UNIXWARE_DISKLABEL=y
 CONFIG_IOSCHED_BFQ=y
 CONFIG_BINFMT_MISC=m
 CONFIG_ZSWAP=y
-CONFIG_ZSMALLOC=y
 CONFIG_ZSMALLOC_STAT=y
 CONFIG_SLAB_BUCKETS=y
 # CONFIG_COMPAT_BRK is not set
@@ -385,6 +383,9 @@ CONFIG_CLS_U32_MARK=y
 CONFIG_NET_CLS_FLOW=m
 CONFIG_NET_CLS_CGROUP=y
 CONFIG_NET_CLS_BPF=m
+CONFIG_NET_CLS_FLOWER=m
+CONFIG_NET_CLS_MATCHALL=m
+CONFIG_NET_EMATCH=y
 CONFIG_NET_CLS_ACT=y
 CONFIG_NET_ACT_POLICE=m
 CONFIG_NET_ACT_GACT=m
@@ -395,6 +396,9 @@ CONFIG_NET_ACT_PEDIT=m
 CONFIG_NET_ACT_SIMP=m
 CONFIG_NET_ACT_SKBEDIT=m
 CONFIG_NET_ACT_CSUM=m
+CONFIG_NET_ACT_VLAN=m
+CONFIG_NET_ACT_TUNNEL_KEY=m
+CONFIG_NET_ACT_CT=m
 CONFIG_NET_ACT_GATE=m
 CONFIG_NET_TC_SKB_EXT=y
 CONFIG_DNS_RESOLVER=y
@@ -618,8 +622,16 @@ CONFIG_VIRTIO_PCI=m
 CONFIG_VIRTIO_BALLOON=m
 CONFIG_VIRTIO_MEM=m
 CONFIG_VIRTIO_INPUT=y
+CONFIG_VDPA=m
+CONFIG_VDPA_SIM=m
+CONFIG_VDPA_SIM_NET=m
+CONFIG_VDPA_SIM_BLOCK=m
+CONFIG_VDPA_USER=m
+CONFIG_MLX5_VDPA_NET=m
+CONFIG_VP_VDPA=m
 CONFIG_VHOST_NET=m
 CONFIG_VHOST_VSOCK=m
+CONFIG_VHOST_VDPA=m
 CONFIG_EXT4_FS=y
 CONFIG_EXT4_FS_POSIX_ACL=y
 CONFIG_EXT4_FS_SECURITY=y
@@ -641,7 +653,6 @@ CONFIG_NILFS2_FS=m
 CONFIG_BCACHEFS_FS=m
 CONFIG_BCACHEFS_QUOTA=y
 CONFIG_BCACHEFS_POSIX_ACL=y
-CONFIG_FS_DAX=y
 CONFIG_EXPORTFS_BLOCK_OPS=y
 CONFIG_FS_ENCRYPTION=y
 CONFIG_FS_VERITY=y
@@ -711,6 +722,7 @@ CONFIG_NLS_UTF8=m
 CONFIG_DLM=m
 CONFIG_UNICODE=y
 CONFIG_PERSISTENT_KEYRINGS=y
+CONFIG_BIG_KEYS=y
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_KEY_NOTIFICATIONS=y
 CONFIG_SECURITY=y
@@ -742,7 +754,6 @@ CONFIG_CRYPTO_AES_TI=m
 CONFIG_CRYPTO_ANUBIS=m
 CONFIG_CRYPTO_ARIA=m
 CONFIG_CRYPTO_BLOWFISH=m
-CONFIG_CRYPTO_CAMELLIA=m
 CONFIG_CRYPTO_CAST5=m
 CONFIG_CRYPTO_CAST6=m
 CONFIG_CRYPTO_DES=m
@@ -788,7 +799,6 @@ CONFIG_CRYPTO_SHA3_512_S390=m
 CONFIG_CRYPTO_GHASH_S390=m
 CONFIG_CRYPTO_AES_S390=m
 CONFIG_CRYPTO_DES_S390=m
-CONFIG_CRYPTO_CHACHA_S390=m
 CONFIG_CRYPTO_HMAC_S390=m
 CONFIG_ZCRYPT=m
 CONFIG_PKEY=m
@@ -799,10 +809,10 @@ CONFIG_PKEY_UV=m
 CONFIG_CRYPTO_PAES_S390=m
 CONFIG_CRYPTO_DEV_VIRTIO=m
 CONFIG_SYSTEM_BLACKLIST_KEYRING=y
+CONFIG_CRYPTO_KRB5=m
+CONFIG_CRYPTO_KRB5_SELFTESTS=y
 CONFIG_CORDIC=m
 CONFIG_PRIME_NUMBERS=m
-CONFIG_CRYPTO_LIB_CURVE25519=m
-CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
 CONFIG_XZ_DEC_MICROLZMA=y
 CONFIG_DMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=0

arch/s390/configs/zfcpdump_defconfig

@@ -70,7 +70,6 @@ CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_INFO_DWARF4=y
 CONFIG_DEBUG_FS=y
 CONFIG_PANIC_ON_OOPS=y
-# CONFIG_SCHED_DEBUG is not set
 CONFIG_RCU_CPU_STALL_TIMEOUT=60
 # CONFIG_RCU_TRACE is not set
 # CONFIG_FTRACE is not set

arch/s390/kernel/entry.S

@@ -602,7 +602,8 @@ SYM_CODE_START(stack_invalid)
 	stmg	%r0,%r7,__PT_R0(%r11)
 	stmg	%r8,%r9,__PT_PSW(%r11)
 	mvc	__PT_R8(64,%r11),0(%r14)
-	stg	%r10,__PT_ORIG_GPR2(%r11) # store last break to orig_gpr2
+	GET_LC	%r2
+	mvc	__PT_ORIG_GPR2(8,%r11),__LC_PGM_LAST_BREAK(%r2)
 	xc	__SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15)
 	lgr	%r2,%r11		# pass pointer to pt_regs
 	jg	kernel_stack_invalid

arch/s390/pci/pci_clp.c

@@ -428,6 +428,8 @@ static void __clp_add(struct clp_fh_list_entry *entry, void *data)
 		return;
 	}
 	zdev = zpci_create_device(entry->fid, entry->fh, entry->config_state);
+	if (IS_ERR(zdev))
+		return;
 	list_add_tail(&zdev->entry, scan_list);
 }
 

drivers/pci/hotplug/s390_pci_hpc.c

@@ -59,7 +59,6 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
 
 	pdev = pci_get_slot(zdev->zbus->bus, zdev->devfn);
 	if (pdev && pci_num_vf(pdev)) {
-		pci_dev_put(pdev);
 		rc = -EBUSY;
 		goto out;
 	}

drivers/s390/block/Kconfig

@@ -5,7 +5,7 @@ comment "S/390 block device drivers"
 config DCSSBLK
 	def_tristate m
 	prompt "DCSSBLK support"
-	depends on S390 && BLOCK
+	depends on S390 && BLOCK && (DAX || DAX=n)
 	help
 	  Support for dcss block device
 
@@ -14,7 +14,6 @@ config DCSSBLK_DAX
 	depends on DCSSBLK
 	# requires S390 ZONE_DEVICE support
 	depends on BROKEN
-	select DAX
 	prompt "DCSSBLK DAX support"
 	help
 	  Enable DAX operation for the dcss block device