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SubjectRe: Linux 4.7.1
diff --git a/Documentation/cpu-freq/pcc-cpufreq.txt b/Documentation/cpu-freq/pcc-cpufreq.txt
index 0a94224ad296..9e3c3b33514c 100644
--- a/Documentation/cpu-freq/pcc-cpufreq.txt
+++ b/Documentation/cpu-freq/pcc-cpufreq.txt
@@ -159,8 +159,8 @@ to be strictly associated with a P-state.

2.2 cpuinfo_transition_latency:
-------------------------------
-The cpuinfo_transition_latency field is CPUFREQ_ETERNAL. The PCC specification
-does not include a field to expose this value currently.
+The cpuinfo_transition_latency field is 0. The PCC specification does
+not include a field to expose this value currently.

2.3 cpuinfo_cur_freq:
---------------------
diff --git a/Makefile b/Makefile
index 66da9a38b13b..84335c0b2eda 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 7
-SUBLEVEL = 0
+SUBLEVEL = 1
EXTRAVERSION =
NAME = Psychotic Stoned Sheep

diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index 087acb569b63..5f221acd21ae 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -279,8 +279,12 @@ asmlinkage long sys_oabi_epoll_wait(int epfd,
mm_segment_t fs;
long ret, err, i;

- if (maxevents <= 0 || maxevents > (INT_MAX/sizeof(struct epoll_event)))
+ if (maxevents <= 0 ||
+ maxevents > (INT_MAX/sizeof(*kbuf)) ||
+ maxevents > (INT_MAX/sizeof(*events)))
return -EINVAL;
+ if (!access_ok(VERIFY_WRITE, events, sizeof(*events) * maxevents))
+ return -EFAULT;
kbuf = kmalloc(sizeof(*kbuf) * maxevents, GFP_KERNEL);
if (!kbuf)
return -ENOMEM;
@@ -317,6 +321,8 @@ asmlinkage long sys_oabi_semtimedop(int semid,

if (nsops < 1 || nsops > SEMOPM)
return -EINVAL;
+ if (!access_ok(VERIFY_READ, tsops, sizeof(*tsops) * nsops))
+ return -EFAULT;
sops = kmalloc(sizeof(*sops) * nsops, GFP_KERNEL);
if (!sops)
return -ENOMEM;
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 9c0b387d6427..51d3988933f8 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -348,7 +348,7 @@ EXPORT(sysn32_call_table)
PTR sys_ni_syscall /* available, was setaltroot */
PTR sys_add_key
PTR sys_request_key
- PTR sys_keyctl /* 6245 */
+ PTR compat_sys_keyctl /* 6245 */
PTR sys_set_thread_area
PTR sys_inotify_init
PTR sys_inotify_add_watch
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index f4f28b1580de..6efa7136748f 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -504,7 +504,7 @@ EXPORT(sys32_call_table)
PTR sys_ni_syscall /* available, was setaltroot */
PTR sys_add_key /* 4280 */
PTR sys_request_key
- PTR sys_keyctl
+ PTR compat_sys_keyctl
PTR sys_set_thread_area
PTR sys_inotify_init
PTR sys_inotify_add_watch /* 4285 */
diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl
index 4cddd17153fb..f848572169ea 100644
--- a/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/arch/x86/entry/syscalls/syscall_32.tbl
@@ -294,7 +294,7 @@
# 285 sys_setaltroot
286 i386 add_key sys_add_key
287 i386 request_key sys_request_key
-288 i386 keyctl sys_keyctl
+288 i386 keyctl sys_keyctl compat_sys_keyctl
289 i386 ioprio_set sys_ioprio_set
290 i386 ioprio_get sys_ioprio_get
291 i386 inotify_init sys_inotify_init
diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h
index 9d3a96c4da78..01c2d14ec05f 100644
--- a/arch/x86/include/asm/microcode.h
+++ b/arch/x86/include/asm/microcode.h
@@ -133,13 +133,11 @@ static inline unsigned int x86_cpuid_family(void)
#ifdef CONFIG_MICROCODE
extern void __init load_ucode_bsp(void);
extern void load_ucode_ap(void);
-extern int __init save_microcode_in_initrd(void);
void reload_early_microcode(void);
extern bool get_builtin_firmware(struct cpio_data *cd, const char *name);
#else
static inline void __init load_ucode_bsp(void) { }
static inline void load_ucode_ap(void) { }
-static inline int __init save_microcode_in_initrd(void) { return 0; }
static inline void reload_early_microcode(void) { }
static inline bool
get_builtin_firmware(struct cpio_data *cd, const char *name) { return false; }
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index ac360bfbbdb6..12823b6ebd6d 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -175,7 +175,7 @@ void load_ucode_ap(void)
}
}

-int __init save_microcode_in_initrd(void)
+static int __init save_microcode_in_initrd(void)
{
struct cpuinfo_x86 *c = &boot_cpu_data;

@@ -691,4 +691,5 @@ int __init microcode_init(void)
return error;

}
+fs_initcall(save_microcode_in_initrd);
late_initcall(microcode_init);
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 372aad2b3291..dffd162db0a4 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -696,13 +696,6 @@ void free_initmem(void)
void __init free_initrd_mem(unsigned long start, unsigned long end)
{
/*
- * Remember, initrd memory may contain microcode or other useful things.
- * Before we lose initrd mem, we need to find a place to hold them
- * now that normal virtual memory is enabled.
- */
- save_microcode_in_initrd();
-
- /*
* end could be not aligned, and We can not align that,
* decompresser could be confused by aligned initrd_end
* We already reserve the end partial page before in
diff --git a/arch/x86/power/hibernate_asm_64.S b/arch/x86/power/hibernate_asm_64.S
index 3177c2bc26f6..8eee0e9c93f0 100644
--- a/arch/x86/power/hibernate_asm_64.S
+++ b/arch/x86/power/hibernate_asm_64.S
@@ -24,7 +24,6 @@
#include <asm/frame.h>

ENTRY(swsusp_arch_suspend)
- FRAME_BEGIN
movq $saved_context, %rax
movq %rsp, pt_regs_sp(%rax)
movq %rbp, pt_regs_bp(%rax)
@@ -48,6 +47,7 @@ ENTRY(swsusp_arch_suspend)
movq %cr3, %rax
movq %rax, restore_cr3(%rip)

+ FRAME_BEGIN
call swsusp_save
FRAME_END
ret
@@ -104,7 +104,6 @@ ENTRY(core_restore_code)
/* code below belongs to the image kernel */
.align PAGE_SIZE
ENTRY(restore_registers)
- FRAME_BEGIN
/* go back to the original page tables */
movq %r9, %cr3

@@ -145,6 +144,5 @@ ENTRY(restore_registers)
/* tell the hibernation core that we've just restored the memory */
movq %rax, in_suspend(%rip)

- FRAME_END
ret
ENDPROC(restore_registers)
diff --git a/block/genhd.c b/block/genhd.c
index 9f42526b4d62..3eebd256b765 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -856,6 +856,7 @@ static void disk_seqf_stop(struct seq_file *seqf, void *v)
if (iter) {
class_dev_iter_exit(iter);
kfree(iter);
+ seqf->private = NULL;
}
}

diff --git a/crypto/gcm.c b/crypto/gcm.c
index bec329b3de8d..d9ea5f9c0574 100644
--- a/crypto/gcm.c
+++ b/crypto/gcm.c
@@ -639,7 +639,9 @@ static int crypto_gcm_create_common(struct crypto_template *tmpl,

ghash_alg = crypto_find_alg(ghash_name, &crypto_ahash_type,
CRYPTO_ALG_TYPE_HASH,
- CRYPTO_ALG_TYPE_AHASH_MASK);
+ CRYPTO_ALG_TYPE_AHASH_MASK |
+ crypto_requires_sync(algt->type,
+ algt->mask));
if (IS_ERR(ghash_alg))
return PTR_ERR(ghash_alg);

diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
index ea5815c5e128..bc769c448d4a 100644
--- a/crypto/scatterwalk.c
+++ b/crypto/scatterwalk.c
@@ -72,7 +72,8 @@ static void scatterwalk_pagedone(struct scatter_walk *walk, int out,

void scatterwalk_done(struct scatter_walk *walk, int out, int more)
{
- if (!(scatterwalk_pagelen(walk) & (PAGE_SIZE - 1)) || !more)
+ if (!more || walk->offset >= walk->sg->offset + walk->sg->length ||
+ !(walk->offset & (PAGE_SIZE - 1)))
scatterwalk_pagedone(walk, out, more);
}
EXPORT_SYMBOL_GPL(scatterwalk_done);
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 0158d3bff7e5..87ab9f6b4112 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -723,15 +723,18 @@ retry:
}
}

-static void credit_entropy_bits_safe(struct entropy_store *r, int nbits)
+static int credit_entropy_bits_safe(struct entropy_store *r, int nbits)
{
const int nbits_max = (int)(~0U >> (ENTROPY_SHIFT + 1));

+ if (nbits < 0)
+ return -EINVAL;
+
/* Cap the value to avoid overflows */
nbits = min(nbits, nbits_max);
- nbits = max(nbits, -nbits_max);

credit_entropy_bits(r, nbits);
+ return 0;
}

/*********************************************************************
@@ -1543,8 +1546,7 @@ static long random_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
return -EPERM;
if (get_user(ent_count, p))
return -EFAULT;
- credit_entropy_bits_safe(&input_pool, ent_count);
- return 0;
+ return credit_entropy_bits_safe(&input_pool, ent_count);
case RNDADDENTROPY:
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@@ -1558,8 +1560,7 @@ static long random_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
size);
if (retval < 0)
return retval;
- credit_entropy_bits_safe(&input_pool, ent_count);
- return 0;
+ return credit_entropy_bits_safe(&input_pool, ent_count);
case RNDZAPENTCNT:
case RNDCLEARPOOL:
/*
diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c
index a7ecb9a84c15..3f0ce2ae35ee 100644
--- a/drivers/cpufreq/pcc-cpufreq.c
+++ b/drivers/cpufreq/pcc-cpufreq.c
@@ -555,8 +555,6 @@ static int pcc_cpufreq_cpu_init(struct cpufreq_policy *policy)
policy->min = policy->cpuinfo.min_freq =
ioread32(&pcch_hdr->minimum_frequency) * 1000;

- policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
-
pr_debug("init: policy->max is %d, policy->min is %d\n",
policy->max, policy->min);
out:
diff --git a/drivers/infiniband/hw/hfi1/Kconfig b/drivers/infiniband/hw/hfi1/Kconfig
index a925fb0db706..f846fd51b85b 100644
--- a/drivers/infiniband/hw/hfi1/Kconfig
+++ b/drivers/infiniband/hw/hfi1/Kconfig
@@ -3,7 +3,6 @@ config INFINIBAND_HFI1
depends on X86_64 && INFINIBAND_RDMAVT
select MMU_NOTIFIER
select CRC32
- default m
---help---
This is a low-level driver for Intel OPA Gen1 adapter.
config HFI1_DEBUG_SDMA_ORDER
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index a2afa3be17a4..4d7981946f79 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1422,7 +1422,16 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
return -EINVAL;
}

- if (slave_ops->ndo_set_mac_address == NULL) {
+ if (slave_dev->type == ARPHRD_INFINIBAND &&
+ BOND_MODE(bond) != BOND_MODE_ACTIVEBACKUP) {
+ netdev_warn(bond_dev, "Type (%d) supports only active-backup mode\n",
+ slave_dev->type);
+ res = -EOPNOTSUPP;
+ goto err_undo_flags;
+ }
+
+ if (!slave_ops->ndo_set_mac_address ||
+ slave_dev->type == ARPHRD_INFINIBAND) {
netdev_warn(bond_dev, "The slave device specified does not support setting the MAC address\n");
if (BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP &&
bond->params.fail_over_mac != BOND_FOM_ACTIVE) {
diff --git a/drivers/net/ethernet/qlogic/qed/qed_spq.c b/drivers/net/ethernet/qlogic/qed/qed_spq.c
index b122f6013b6c..03601dfc0642 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_spq.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_spq.c
@@ -809,13 +809,12 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn,
* in a bitmap and increasing the chain consumer only
* for the first successive completed entries.
*/
- bitmap_set(p_spq->p_comp_bitmap, pos, SPQ_RING_SIZE);
+ __set_bit(pos, p_spq->p_comp_bitmap);

while (test_bit(p_spq->comp_bitmap_idx,
p_spq->p_comp_bitmap)) {
- bitmap_clear(p_spq->p_comp_bitmap,
- p_spq->comp_bitmap_idx,
- SPQ_RING_SIZE);
+ __clear_bit(p_spq->comp_bitmap_idx,
+ p_spq->p_comp_bitmap);
p_spq->comp_bitmap_idx++;
qed_chain_return_produced(&p_spq->chain);
}
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 8bcd78f94966..a70b6c460178 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -942,7 +942,6 @@ static struct sk_buff *macsec_decrypt(struct sk_buff *skb,
}

macsec_skb_cb(skb)->req = req;
- macsec_skb_cb(skb)->rx_sa = rx_sa;
skb->dev = dev;
aead_request_set_callback(req, 0, macsec_decrypt_done, skb);

@@ -1169,6 +1168,8 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb)
}
}

+ macsec_skb_cb(skb)->rx_sa = rx_sa;
+
/* Disabled && !changed text => skip validation */
if (hdr->tci_an & MACSEC_TCI_C ||
secy->validate_frames != MACSEC_VALIDATE_DISABLED)
diff --git a/drivers/tty/serial/mvebu-uart.c b/drivers/tty/serial/mvebu-uart.c
index ce362bd51de7..45b57c294d13 100644
--- a/drivers/tty/serial/mvebu-uart.c
+++ b/drivers/tty/serial/mvebu-uart.c
@@ -300,6 +300,8 @@ static int mvebu_uart_startup(struct uart_port *port)
static void mvebu_uart_shutdown(struct uart_port *port)
{
writel(0, port->membase + UART_CTRL);
+
+ free_irq(port->irq, port);
}

static void mvebu_uart_set_termios(struct uart_port *port,
diff --git a/fs/dcache.c b/fs/dcache.c
index d6847d7b123d..1ed81bb80500 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -622,7 +622,6 @@ static struct dentry *dentry_kill(struct dentry *dentry)

failed:
spin_unlock(&dentry->d_lock);
- cpu_relax();
return dentry; /* try again with same dentry */
}

@@ -796,6 +795,8 @@ void dput(struct dentry *dentry)
return;

repeat:
+ might_sleep();
+
rcu_read_lock();
if (likely(fast_dput(dentry))) {
rcu_read_unlock();
@@ -829,8 +830,10 @@ repeat:

kill_it:
dentry = dentry_kill(dentry);
- if (dentry)
+ if (dentry) {
+ cond_resched();
goto repeat;
+ }
}
EXPORT_SYMBOL(dput);

diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 3020fd70c392..1ea505434a6e 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -208,6 +208,9 @@ static int ext4_init_block_bitmap(struct super_block *sb,
memset(bh->b_data, 0, sb->s_blocksize);

bit_max = ext4_num_base_meta_clusters(sb, block_group);
+ if ((bit_max >> 3) >= bh->b_size)
+ return -EFSCORRUPTED;
+
for (bit = 0; bit < bit_max; bit++)
ext4_set_bit(bit, bh->b_data);

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 2a2eef9c14e4..d7ccb7f51dfc 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -381,9 +381,13 @@ static int ext4_valid_extent(struct inode *inode, struct ext4_extent *ext)
ext4_fsblk_t block = ext4_ext_pblock(ext);
int len = ext4_ext_get_actual_len(ext);
ext4_lblk_t lblock = le32_to_cpu(ext->ee_block);
- ext4_lblk_t last = lblock + len - 1;

- if (len == 0 || lblock > last)
+ /*
+ * We allow neither:
+ * - zero length
+ * - overflow/wrap-around
+ */
+ if (lblock + len <= lblock)
return 0;
return ext4_data_block_valid(EXT4_SB(inode->i_sb), block, len);
}
@@ -474,6 +478,10 @@ static int __ext4_ext_check(const char *function, unsigned int line,
error_msg = "invalid extent entries";
goto corrupted;
}
+ if (unlikely(depth > 32)) {
+ error_msg = "too large eh_depth";
+ goto corrupted;
+ }
/* Verify checksum on non-root extent tree nodes */
if (ext_depth(inode) != depth &&
!ext4_extent_block_csum_verify(inode, eh)) {
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index f7140ca66e3b..b747ec09c1ac 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -205,9 +205,9 @@ void ext4_evict_inode(struct inode *inode)
* Note that directories do not have this problem because they
* don't use page cache.
*/
- if (ext4_should_journal_data(inode) &&
- (S_ISLNK(inode->i_mode) || S_ISREG(inode->i_mode)) &&
- inode->i_ino != EXT4_JOURNAL_INO) {
+ if (inode->i_ino != EXT4_JOURNAL_INO &&
+ ext4_should_journal_data(inode) &&
+ (S_ISLNK(inode->i_mode) || S_ISREG(inode->i_mode))) {
journal_t *journal = EXT4_SB(inode->i_sb)->s_journal;
tid_t commit_tid = EXT4_I(inode)->i_datasync_tid;

@@ -2748,13 +2748,36 @@ retry:
done = true;
}
}
- ext4_journal_stop(handle);
+ /*
+ * Caution: If the handle is synchronous,
+ * ext4_journal_stop() can wait for transaction commit
+ * to finish which may depend on writeback of pages to
+ * complete or on page lock to be released. In that
+ * case, we have to wait until after after we have
+ * submitted all the IO, released page locks we hold,
+ * and dropped io_end reference (for extent conversion
+ * to be able to complete) before stopping the handle.
+ */
+ if (!ext4_handle_valid(handle) || handle->h_sync == 0) {
+ ext4_journal_stop(handle);
+ handle = NULL;
+ }
/* Submit prepared bio */
ext4_io_submit(&mpd.io_submit);
/* Unlock pages we didn't use */
mpage_release_unused_pages(&mpd, give_up_on_write);
- /* Drop our io_end reference we got from init */
- ext4_put_io_end(mpd.io_submit.io_end);
+ /*
+ * Drop our io_end reference we got from init. We have
+ * to be careful and use deferred io_end finishing if
+ * we are still holding the transaction as we can
+ * release the last reference to io_end which may end
+ * up doing unwritten extent conversion.
+ */
+ if (handle) {
+ ext4_put_io_end_defer(mpd.io_submit.io_end);
+ ext4_journal_stop(handle);
+ } else
+ ext4_put_io_end(mpd.io_submit.io_end);

if (ret == -ENOSPC && sbi->s_journal) {
/*
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index c1ab3ec30423..7f42eda52523 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2939,7 +2939,7 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
ext4_error(sb, "Allocating blocks %llu-%llu which overlap "
"fs metadata", block, block+len);
/* File system mounted not to panic on error
- * Fix the bitmap and repeat the block allocation
+ * Fix the bitmap and return EFSCORRUPTED
* We leak some of the blocks here.
*/
ext4_lock_group(sb, ac->ac_b_ex.fe_group);
@@ -2948,7 +2948,7 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
ext4_unlock_group(sb, ac->ac_b_ex.fe_group);
err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);
if (!err)
- err = -EAGAIN;
+ err = -EFSCORRUPTED;
goto out_err;
}

@@ -4513,18 +4513,7 @@ repeat:
}
if (likely(ac->ac_status == AC_STATUS_FOUND)) {
*errp = ext4_mb_mark_diskspace_used(ac, handle, reserv_clstrs);
- if (*errp == -EAGAIN) {
- /*
- * drop the reference that we took
- * in ext4_mb_use_best_found
- */
- ext4_mb_release_context(ac);
- ac->ac_b_ex.fe_group = 0;
- ac->ac_b_ex.fe_start = 0;
- ac->ac_b_ex.fe_len = 0;
- ac->ac_status = AC_STATUS_CONTINUE;
- goto repeat;
- } else if (*errp) {
+ if (*errp) {
ext4_discard_allocated_blocks(ac);
goto errout;
} else {
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 3822a5aedc61..639bd756a8d8 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2278,6 +2278,16 @@ static void ext4_orphan_cleanup(struct super_block *sb,
while (es->s_last_orphan) {
struct inode *inode;

+ /*
+ * We may have encountered an error during cleanup; if
+ * so, skip the rest.
+ */
+ if (EXT4_SB(sb)->s_mount_state & EXT4_ERROR_FS) {
+ jbd_debug(1, "Skipping orphan recovery on fs with errors.\n");
+ es->s_last_orphan = 0;
+ break;
+ }
+
inode = ext4_orphan_get(sb, le32_to_cpu(es->s_last_orphan));
if (IS_ERR(inode)) {
es->s_last_orphan = 0;
@@ -3416,6 +3426,13 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
goto failed_mount;
}

+ if (le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks) > (blocksize / 4)) {
+ ext4_msg(sb, KERN_ERR,
+ "Number of reserved GDT blocks insanely large: %d",
+ le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks));
+ goto failed_mount;
+ }
+
if (sbi->s_mount_opt & EXT4_MOUNT_DAX) {
err = bdev_dax_supported(sb, blocksize);
if (err)
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 9154f8679024..6cac3dc33521 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -417,6 +417,15 @@ static int fuse_flush(struct file *file, fl_owner_t id)
fuse_sync_writes(inode);
inode_unlock(inode);

+ if (test_bit(AS_ENOSPC, &file->f_mapping->flags) &&
+ test_and_clear_bit(AS_ENOSPC, &file->f_mapping->flags))
+ err = -ENOSPC;
+ if (test_bit(AS_EIO, &file->f_mapping->flags) &&
+ test_and_clear_bit(AS_EIO, &file->f_mapping->flags))
+ err = -EIO;
+ if (err)
+ return err;
+
req = fuse_get_req_nofail_nopages(fc, file);
memset(&inarg, 0, sizeof(inarg));
inarg.fh = ff->fh;
@@ -462,6 +471,21 @@ int fuse_fsync_common(struct file *file, loff_t start, loff_t end,
goto out;

fuse_sync_writes(inode);
+
+ /*
+ * Due to implementation of fuse writeback
+ * filemap_write_and_wait_range() does not catch errors.
+ * We have to do this directly after fuse_sync_writes()
+ */
+ if (test_bit(AS_ENOSPC, &file->f_mapping->flags) &&
+ test_and_clear_bit(AS_ENOSPC, &file->f_mapping->flags))
+ err = -ENOSPC;
+ if (test_bit(AS_EIO, &file->f_mapping->flags) &&
+ test_and_clear_bit(AS_EIO, &file->f_mapping->flags))
+ err = -EIO;
+ if (err)
+ goto out;
+
err = sync_inode_metadata(inode, 1);
if (err)
goto out;
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 9961d8432ce3..9b7cb37b4ba8 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -942,7 +942,7 @@ static void fuse_send_init(struct fuse_conn *fc, struct fuse_req *req)
arg->flags |= FUSE_ASYNC_READ | FUSE_POSIX_LOCKS | FUSE_ATOMIC_O_TRUNC |
FUSE_EXPORT_SUPPORT | FUSE_BIG_WRITES | FUSE_DONT_MASK |
FUSE_SPLICE_WRITE | FUSE_SPLICE_MOVE | FUSE_SPLICE_READ |
- FUSE_FLOCK_LOCKS | FUSE_IOCTL_DIR | FUSE_AUTO_INVAL_DATA |
+ FUSE_FLOCK_LOCKS | FUSE_HAS_IOCTL_DIR | FUSE_AUTO_INVAL_DATA |
FUSE_DO_READDIRPLUS | FUSE_READDIRPLUS_AUTO | FUSE_ASYNC_DIO |
FUSE_WRITEBACK_CACHE | FUSE_NO_OPEN_SUPPORT |
FUSE_PARALLEL_DIROPS;
diff --git a/fs/inode.c b/fs/inode.c
index 4ccbc21b30ce..9ea421948742 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -345,7 +345,7 @@ EXPORT_SYMBOL(inc_nlink);
void address_space_init_once(struct address_space *mapping)
{
memset(mapping, 0, sizeof(*mapping));
- INIT_RADIX_TREE(&mapping->page_tree, GFP_ATOMIC);
+ INIT_RADIX_TREE(&mapping->page_tree, GFP_ATOMIC | __GFP_ACCOUNT);
spin_lock_init(&mapping->tree_lock);
init_rwsem(&mapping->i_mmap_rwsem);
INIT_LIST_HEAD(&mapping->private_list);
@@ -1740,8 +1740,8 @@ static int __remove_privs(struct dentry *dentry, int kill)
*/
int file_remove_privs(struct file *file)
{
- struct dentry *dentry = file->f_path.dentry;
- struct inode *inode = d_inode(dentry);
+ struct dentry *dentry = file_dentry(file);
+ struct inode *inode = file_inode(file);
int kill;
int error = 0;

@@ -1749,7 +1749,7 @@ int file_remove_privs(struct file *file)
if (IS_NOSEC(inode))
return 0;

- kill = file_needs_remove_privs(file);
+ kill = dentry_needs_remove_privs(dentry);
if (kill < 0)
return kill;
if (kill)
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 116a333e9c77..0f56deb24ce6 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -590,6 +590,7 @@ static long ioctl_file_dedupe_range(struct file *file, void __user *arg)
goto out;
}

+ same->dest_count = count;
ret = vfs_dedupe_file_range(file, same);
if (ret)
goto out;
diff --git a/ipc/msg.c b/ipc/msg.c
index 1471db9a7e61..c6521c205cb4 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -680,7 +680,7 @@ long do_msgsnd(int msqid, long mtype, void __user *mtext,
rcu_read_lock();
ipc_lock_object(&msq->q_perm);

- ipc_rcu_putref(msq, ipc_rcu_free);
+ ipc_rcu_putref(msq, msg_rcu_free);
/* raced with RMID? */
if (!ipc_valid_object(&msq->q_perm)) {
err = -EIDRM;
diff --git a/ipc/sem.c b/ipc/sem.c
index b3757ea0694b..5d2f875e8e2e 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -449,7 +449,7 @@ static inline struct sem_array *sem_obtain_object_check(struct ipc_namespace *ns
static inline void sem_lock_and_putref(struct sem_array *sma)
{
sem_lock(sma, NULL, -1);
- ipc_rcu_putref(sma, ipc_rcu_free);
+ ipc_rcu_putref(sma, sem_rcu_free);
}

static inline void sem_rmid(struct ipc_namespace *ns, struct sem_array *s)
@@ -1392,7 +1392,7 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,
rcu_read_unlock();
sem_io = ipc_alloc(sizeof(ushort)*nsems);
if (sem_io == NULL) {
- ipc_rcu_putref(sma, ipc_rcu_free);
+ ipc_rcu_putref(sma, sem_rcu_free);
return -ENOMEM;
}

@@ -1426,20 +1426,20 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,
if (nsems > SEMMSL_FAST) {
sem_io = ipc_alloc(sizeof(ushort)*nsems);
if (sem_io == NULL) {
- ipc_rcu_putref(sma, ipc_rcu_free);
+ ipc_rcu_putref(sma, sem_rcu_free);
return -ENOMEM;
}
}

if (copy_from_user(sem_io, p, nsems*sizeof(ushort))) {
- ipc_rcu_putref(sma, ipc_rcu_free);
+ ipc_rcu_putref(sma, sem_rcu_free);
err = -EFAULT;
goto out_free;
}

for (i = 0; i < nsems; i++) {
if (sem_io[i] > SEMVMX) {
- ipc_rcu_putref(sma, ipc_rcu_free);
+ ipc_rcu_putref(sma, sem_rcu_free);
err = -ERANGE;
goto out_free;
}
@@ -1731,7 +1731,7 @@ static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid)
/* step 2: allocate new undo structure */
new = kzalloc(sizeof(struct sem_undo) + sizeof(short)*nsems, GFP_KERNEL);
if (!new) {
- ipc_rcu_putref(sma, ipc_rcu_free);
+ ipc_rcu_putref(sma, sem_rcu_free);
return ERR_PTR(-ENOMEM);
}

diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 8b7d8459bb9d..bc7852f95443 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -274,10 +274,11 @@ radix_tree_node_alloc(struct radix_tree_root *root)

/*
* Even if the caller has preloaded, try to allocate from the
- * cache first for the new node to get accounted.
+ * cache first for the new node to get accounted to the memory
+ * cgroup.
*/
ret = kmem_cache_alloc(radix_tree_node_cachep,
- gfp_mask | __GFP_ACCOUNT | __GFP_NOWARN);
+ gfp_mask | __GFP_NOWARN);
if (ret)
goto out;

@@ -300,8 +301,7 @@ radix_tree_node_alloc(struct radix_tree_root *root)
kmemleak_update_trace(ret);
goto out;
}
- ret = kmem_cache_alloc(radix_tree_node_cachep,
- gfp_mask | __GFP_ACCOUNT);
+ ret = kmem_cache_alloc(radix_tree_node_cachep, gfp_mask);
out:
BUG_ON(radix_tree_is_internal_node(ret));
return ret;
@@ -348,6 +348,12 @@ static int __radix_tree_preload(gfp_t gfp_mask)
struct radix_tree_node *node;
int ret = -ENOMEM;

+ /*
+ * Nodes preloaded by one cgroup can be be used by another cgroup, so
+ * they should never be accounted to any particular memory cgroup.
+ */
+ gfp_mask &= ~__GFP_ACCOUNT;
+
preempt_disable();
rtp = this_cpu_ptr(&radix_tree_preloads);
while (rtp->nr < RADIX_TREE_PRELOAD_SIZE) {
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 5339c89dff63..ca847d96a980 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4083,14 +4083,32 @@ static struct cftype mem_cgroup_legacy_files[] = {

static DEFINE_IDR(mem_cgroup_idr);

-static void mem_cgroup_id_get(struct mem_cgroup *memcg)
+static void mem_cgroup_id_get_many(struct mem_cgroup *memcg, unsigned int n)
{
- atomic_inc(&memcg->id.ref);
+ atomic_add(n, &memcg->id.ref);
}

-static void mem_cgroup_id_put(struct mem_cgroup *memcg)
+static struct mem_cgroup *mem_cgroup_id_get_online(struct mem_cgroup *memcg)
{
- if (atomic_dec_and_test(&memcg->id.ref)) {
+ while (!atomic_inc_not_zero(&memcg->id.ref)) {
+ /*
+ * The root cgroup cannot be destroyed, so it's refcount must
+ * always be >= 1.
+ */
+ if (WARN_ON_ONCE(memcg == root_mem_cgroup)) {
+ VM_BUG_ON(1);
+ break;
+ }
+ memcg = parent_mem_cgroup(memcg);
+ if (!memcg)
+ memcg = root_mem_cgroup;
+ }
+ return memcg;
+}
+
+static void mem_cgroup_id_put_many(struct mem_cgroup *memcg, unsigned int n)
+{
+ if (atomic_sub_and_test(n, &memcg->id.ref)) {
idr_remove(&mem_cgroup_idr, memcg->id.id);
memcg->id.id = 0;

@@ -4099,6 +4117,16 @@ static void mem_cgroup_id_put(struct mem_cgroup *memcg)
}
}

+static inline void mem_cgroup_id_get(struct mem_cgroup *memcg)
+{
+ mem_cgroup_id_get_many(memcg, 1);
+}
+
+static inline void mem_cgroup_id_put(struct mem_cgroup *memcg)
+{
+ mem_cgroup_id_put_many(memcg, 1);
+}
+
/**
* mem_cgroup_from_id - look up a memcg from a memcg id
* @id: the memcg id to look up
@@ -4736,6 +4764,8 @@ static void __mem_cgroup_clear_mc(void)
if (!mem_cgroup_is_root(mc.from))
page_counter_uncharge(&mc.from->memsw, mc.moved_swap);

+ mem_cgroup_id_put_many(mc.from, mc.moved_swap);
+
/*
* we charged both to->memory and to->memsw, so we
* should uncharge to->memory.
@@ -4743,9 +4773,9 @@ static void __mem_cgroup_clear_mc(void)
if (!mem_cgroup_is_root(mc.to))
page_counter_uncharge(&mc.to->memory, mc.moved_swap);

- css_put_many(&mc.from->css, mc.moved_swap);
+ mem_cgroup_id_get_many(mc.to, mc.moved_swap);
+ css_put_many(&mc.to->css, mc.moved_swap);

- /* we've already done css_get(mc.to) */
mc.moved_swap = 0;
}
memcg_oom_recover(from);
@@ -5805,7 +5835,7 @@ subsys_initcall(mem_cgroup_init);
*/
void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
{
- struct mem_cgroup *memcg;
+ struct mem_cgroup *memcg, *swap_memcg;
unsigned short oldid;

VM_BUG_ON_PAGE(PageLRU(page), page);
@@ -5820,16 +5850,27 @@ void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
if (!memcg)
return;

- mem_cgroup_id_get(memcg);
- oldid = swap_cgroup_record(entry, mem_cgroup_id(memcg));
+ /*
+ * In case the memcg owning these pages has been offlined and doesn't
+ * have an ID allocated to it anymore, charge the closest online
+ * ancestor for the swap instead and transfer the memory+swap charge.
+ */
+ swap_memcg = mem_cgroup_id_get_online(memcg);
+ oldid = swap_cgroup_record(entry, mem_cgroup_id(swap_memcg));
VM_BUG_ON_PAGE(oldid, page);
- mem_cgroup_swap_statistics(memcg, true);
+ mem_cgroup_swap_statistics(swap_memcg, true);

page->mem_cgroup = NULL;

if (!mem_cgroup_is_root(memcg))
page_counter_uncharge(&memcg->memory, 1);

+ if (memcg != swap_memcg) {
+ if (!mem_cgroup_is_root(swap_memcg))
+ page_counter_charge(&swap_memcg->memsw, 1);
+ page_counter_uncharge(&memcg->memsw, 1);
+ }
+
/*
* Interrupts should be disabled here because the caller holds the
* mapping->tree_lock lock which is taken with interrupts-off. It is
@@ -5868,11 +5909,14 @@ int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry)
if (!memcg)
return 0;

+ memcg = mem_cgroup_id_get_online(memcg);
+
if (!mem_cgroup_is_root(memcg) &&
- !page_counter_try_charge(&memcg->swap, 1, &counter))
+ !page_counter_try_charge(&memcg->swap, 1, &counter)) {
+ mem_cgroup_id_put(memcg);
return -ENOMEM;
+ }

- mem_cgroup_id_get(memcg);
oldid = swap_cgroup_record(entry, mem_cgroup_id(memcg));
VM_BUG_ON_PAGE(oldid, page);
mem_cgroup_swap_statistics(memcg, true);
diff --git a/mm/mempool.c b/mm/mempool.c
index 8f65464da5de..47a659dedd44 100644
--- a/mm/mempool.c
+++ b/mm/mempool.c
@@ -306,7 +306,7 @@ EXPORT_SYMBOL(mempool_resize);
* returns NULL. Note that due to preallocation, this function
* *never* fails when called from process contexts. (it might
* fail if called from an IRQ context.)
- * Note: neither __GFP_NOMEMALLOC nor __GFP_ZERO are supported.
+ * Note: using __GFP_ZERO is not supported.
*/
void *mempool_alloc(mempool_t *pool, gfp_t gfp_mask)
{
@@ -315,27 +315,16 @@ void *mempool_alloc(mempool_t *pool, gfp_t gfp_mask)
wait_queue_t wait;
gfp_t gfp_temp;

- /* If oom killed, memory reserves are essential to prevent livelock */
- VM_WARN_ON_ONCE(gfp_mask & __GFP_NOMEMALLOC);
- /* No element size to zero on allocation */
VM_WARN_ON_ONCE(gfp_mask & __GFP_ZERO);
-
might_sleep_if(gfp_mask & __GFP_DIRECT_RECLAIM);

+ gfp_mask |= __GFP_NOMEMALLOC; /* don't allocate emergency reserves */
gfp_mask |= __GFP_NORETRY; /* don't loop in __alloc_pages */
gfp_mask |= __GFP_NOWARN; /* failures are OK */

gfp_temp = gfp_mask & ~(__GFP_DIRECT_RECLAIM|__GFP_IO);

repeat_alloc:
- if (likely(pool->curr_nr)) {
- /*
- * Don't allocate from emergency reserves if there are
- * elements available. This check is racy, but it will
- * be rechecked each loop.
- */
- gfp_temp |= __GFP_NOMEMALLOC;
- }

element = pool->alloc(gfp_temp, pool->pool_data);
if (likely(element != NULL))
@@ -359,12 +348,11 @@ repeat_alloc:
* We use gfp mask w/o direct reclaim or IO for the first round. If
* alloc failed with that and @pool was empty, retry immediately.
*/
- if ((gfp_temp & ~__GFP_NOMEMALLOC) != gfp_mask) {
+ if (gfp_temp != gfp_mask) {
spin_unlock_irqrestore(&pool->lock, flags);
gfp_temp = gfp_mask;
goto repeat_alloc;
}
- gfp_temp = gfp_mask;

/* We must not sleep if !__GFP_DIRECT_RECLAIM */
if (!(gfp_mask & __GFP_DIRECT_RECLAIM)) {
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 43d2cd862bc2..28d5ec269e48 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -288,6 +288,14 @@ rx_handler_result_t br_handle_frame(struct sk_buff **pskb)
case 0x01: /* IEEE MAC (Pause) */
goto drop;

+ case 0x0E: /* 802.1AB LLDP */
+ fwd_mask |= p->br->group_fwd_mask;
+ if (fwd_mask & (1u << dest[5]))
+ goto forward;
+ *pskb = skb;
+ __br_handle_local_finish(skb);
+ return RX_HANDLER_PASS;
+
default:
/* Allow selective forwarding for most other protocols */
fwd_mask |= p->br->group_fwd_mask;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index e00e972c4e6a..700b72ca5912 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -236,7 +236,8 @@ void tcp_select_initial_window(int __space, __u32 mss,
/* Set window scaling on max possible window
* See RFC1323 for an explanation of the limit to 14
*/
- space = max_t(u32, sysctl_tcp_rmem[2], sysctl_rmem_max);
+ space = max_t(u32, space, sysctl_tcp_rmem[2]);
+ space = max_t(u32, space, sysctl_rmem_max);
space = min_t(u32, space, *window_clamp);
while (space > 65535 && (*rcv_wscale) < 14) {
space >>= 1;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 4aed8fc23d32..e61f7cd65d08 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1581,9 +1581,7 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
udp_lib_checksum_complete(skb))
goto csum_error;

- if (sk_filter(sk, skb))
- goto drop;
- if (unlikely(skb->len < sizeof(struct udphdr)))
+ if (sk_filter_trim_cap(sk, skb, sizeof(struct udphdr)))
goto drop;

udp_csum_pull_header(skb);
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 47f837a58e0a..047c75a798b1 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3562,6 +3562,10 @@ restart:
if (state != INET6_IFADDR_STATE_DEAD) {
__ipv6_ifa_notify(RTM_DELADDR, ifa);
inet6addr_notifier_call_chain(NETDEV_DOWN, ifa);
+ } else {
+ if (idev->cnf.forwarding)
+ addrconf_leave_anycast(ifa);
+ addrconf_leave_solict(ifa->idev, &ifa->addr);
}

write_lock_bh(&idev->lock);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index acc09705618b..42a2edf7c9ef 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -618,9 +618,7 @@ int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
udp_lib_checksum_complete(skb))
goto csum_error;

- if (sk_filter(sk, skb))
- goto drop;
- if (unlikely(skb->len < sizeof(struct udphdr)))
+ if (sk_filter_trim_cap(sk, skb, sizeof(struct udphdr)))
goto drop;

udp_csum_pull_header(skb);
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index 923abd6b3064..8d2f7c9b491d 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1024,8 +1024,11 @@ static int irda_connect(struct socket *sock, struct sockaddr *uaddr,
}

/* Check if we have opened a local TSAP */
- if (!self->tsap)
- irda_open_tsap(self, LSAP_ANY, addr->sir_name);
+ if (!self->tsap) {
+ err = irda_open_tsap(self, LSAP_ANY, addr->sir_name);
+ if (err)
+ goto out;
+ }

/* Move to connecting socket, start sending Connect Requests */
sock->state = SS_CONNECTING;
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 47cf4604d19c..f093322560e6 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -328,6 +328,7 @@ int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
*/

sk = rcvr->sk;
+ local_bh_disable();
bh_lock_sock(sk);

if (sock_owned_by_user(sk)) {
@@ -339,6 +340,7 @@ int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
sctp_inq_push(inqueue, chunk);

bh_unlock_sock(sk);
+ local_bh_enable();

/* If the chunk was backloged again, don't drop refs */
if (backloged)
diff --git a/net/sctp/inqueue.c b/net/sctp/inqueue.c
index 9d87bba0ff1d..b335ffcef0b9 100644
--- a/net/sctp/inqueue.c
+++ b/net/sctp/inqueue.c
@@ -89,12 +89,10 @@ void sctp_inq_push(struct sctp_inq *q, struct sctp_chunk *chunk)
* Eventually, we should clean up inqueue to not rely
* on the BH related data structures.
*/
- local_bh_disable();
list_add_tail(&chunk->list, &q->in_chunk_list);
if (chunk->asoc)
chunk->asoc->stats.ipackets++;
q->immediate.func(&q->immediate);
- local_bh_enable();
}

/* Peek at the next chunk on the inqeue. */
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 67154b848aa9..7f5689a93de9 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4301,6 +4301,7 @@ int sctp_transport_walk_start(struct rhashtable_iter *iter)

err = rhashtable_walk_start(iter);
if (err && err != -EAGAIN) {
+ rhashtable_walk_stop(iter);
rhashtable_walk_exit(iter);
return err;
}
diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
index ad4fa49ad1db..9068369f8a1b 100644
--- a/security/apparmor/apparmorfs.c
+++ b/security/apparmor/apparmorfs.c
@@ -331,6 +331,7 @@ static int aa_fs_seq_hash_show(struct seq_file *seq, void *v)
seq_printf(seq, "%.2x", profile->hash[i]);
seq_puts(seq, "\n");
}
+ aa_put_profile(profile);

return 0;
}
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