[kernel] r5649 - in dists/sid/linux-2.6/debian: . patches patches/series

maximilian attems maks-guest at costa.debian.org
Tue Jan 31 10:04:45 UTC 2006


Author: maks-guest
Date: Tue Jan 31 10:04:44 2006
New Revision: 5649

Added:
   dists/sid/linux-2.6/debian/patches/2.6.15.2.patch
Modified:
   dists/sid/linux-2.6/debian/changelog
   dists/sid/linux-2.6/debian/patches/series/4
Log:
add 2.6.15.2


Modified: dists/sid/linux-2.6/debian/changelog
==============================================================================
--- dists/sid/linux-2.6/debian/changelog	(original)
+++ dists/sid/linux-2.6/debian/changelog	Tue Jan 31 10:04:44 2006
@@ -23,6 +23,18 @@
 
   [ maximilian attems ]
   * Use initramfs-tools for ia64 - fixed klibc.
+  * Add stable tree 2.6.15.2:
+      Fix double decrement of mqueue_mnt->mnt_count in sys_mq_open (CVE-2005-3356)
+      Mask off GFP flags before swiotlb_alloc_coherent
+      usb-audio: don't use empty packets at start of playback
+      Make second arg to skb_reserved() signed.
+      Input: HID - fix an oops in PID initialization code
+      Fix oops in ufs_fill_super at mount time
+      Kill blk_attempt_remerge()
+      Fix i2o_scsi oops on abort
+      Fix mkiss locking bug
+      Fix timekeeping on sparc64 ultra-IIe machines
+      Someone broke reiserfs v3 mount options and this fixes it
 
   [ Steve Langasek ]
   * [alpha] set __attribute__((always_inline)) on __cmpxchg(), to avoid
@@ -52,7 +64,7 @@
   * [powerpc] Default to initramfs-tools as initramfs generator, as klibc
     build is fixed now.
 
- -- maximilian attems <maks at sternwelten.at>  Tue, 31 Jan 2006 10:57:28 +0100
+ -- maximilian attems <maks at sternwelten.at>  Tue, 31 Jan 2006 11:02:10 +0100
 
 linux-2.6 (2.6.15-3) unstable; urgency=low
 

Added: dists/sid/linux-2.6/debian/patches/2.6.15.2.patch
==============================================================================
--- (empty file)
+++ dists/sid/linux-2.6/debian/patches/2.6.15.2.patch	Tue Jan 31 10:04:44 2006
@@ -0,0 +1,373 @@
+diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
+index 459c8fb..a22930d 100644
+--- a/arch/sparc64/kernel/time.c
++++ b/arch/sparc64/kernel/time.c
+@@ -280,9 +280,9 @@ static struct sparc64_tick_ops stick_ope
+  * Since STICK is constantly updating, we have to access it carefully.
+  *
+  * The sequence we use to read is:
+- * 1) read low
+- * 2) read high
+- * 3) read low again, if it rolled over increment high by 1
++ * 1) read high
++ * 2) read low
++ * 3) read high again, if it rolled re-read both low and high again.
+  *
+  * Writing STICK safely is also tricky:
+  * 1) write low to zero
+@@ -295,18 +295,18 @@ static struct sparc64_tick_ops stick_ope
+ static unsigned long __hbird_read_stick(void)
+ {
+ 	unsigned long ret, tmp1, tmp2, tmp3;
+-	unsigned long addr = HBIRD_STICK_ADDR;
++	unsigned long addr = HBIRD_STICK_ADDR+8;
+ 
+-	__asm__ __volatile__("ldxa	[%1] %5, %2\n\t"
+-			     "add	%1, 0x8, %1\n\t"
+-			     "ldxa	[%1] %5, %3\n\t"
++	__asm__ __volatile__("ldxa	[%1] %5, %2\n"
++			     "1:\n\t"
+ 			     "sub	%1, 0x8, %1\n\t"
++			     "ldxa	[%1] %5, %3\n\t"
++			     "add	%1, 0x8, %1\n\t"
+ 			     "ldxa	[%1] %5, %4\n\t"
+ 			     "cmp	%4, %2\n\t"
+-			     "blu,a,pn	%%xcc, 1f\n\t"
+-			     " add	%3, 1, %3\n"
+-			     "1:\n\t"
+-			     "sllx	%3, 32, %3\n\t"
++			     "bne,a,pn	%%xcc, 1b\n\t"
++			     " mov	%4, %2\n\t"
++			     "sllx	%4, 32, %4\n\t"
+ 			     "or	%3, %4, %0\n\t"
+ 			     : "=&r" (ret), "=&r" (addr),
+ 			       "=&r" (tmp1), "=&r" (tmp2), "=&r" (tmp3)
+diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c
+index 2e28e85..b27b0ff 100644
+--- a/arch/x86_64/kernel/pci-gart.c
++++ b/arch/x86_64/kernel/pci-gart.c
+@@ -244,6 +244,7 @@ dma_alloc_coherent(struct device *dev, s
+ 					   get_order(size));
+ 
+ 				if (swiotlb) {
++					gfp &= ~(GFP_DMA32|GFP_DMA);
+ 					return
+ 					swiotlb_alloc_coherent(dev, size,
+ 							       dma_handle,
+diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
+index 99c9ca6..bde9c4b 100644
+--- a/block/ll_rw_blk.c
++++ b/block/ll_rw_blk.c
+@@ -2609,30 +2609,6 @@ static inline int attempt_front_merge(re
+ 	return 0;
+ }
+ 
+-/**
+- * blk_attempt_remerge  - attempt to remerge active head with next request
+- * @q:    The &request_queue_t belonging to the device
+- * @rq:   The head request (usually)
+- *
+- * Description:
+- *    For head-active devices, the queue can easily be unplugged so quickly
+- *    that proper merging is not done on the front request. This may hurt
+- *    performance greatly for some devices. The block layer cannot safely
+- *    do merging on that first request for these queues, but the driver can
+- *    call this function and make it happen any way. Only the driver knows
+- *    when it is safe to do so.
+- **/
+-void blk_attempt_remerge(request_queue_t *q, struct request *rq)
+-{
+-	unsigned long flags;
+-
+-	spin_lock_irqsave(q->queue_lock, flags);
+-	attempt_back_merge(q, rq);
+-	spin_unlock_irqrestore(q->queue_lock, flags);
+-}
+-
+-EXPORT_SYMBOL(blk_attempt_remerge);
+-
+ static int __make_request(request_queue_t *q, struct bio *bio)
+ {
+ 	struct request *req;
+diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
+index b4d7a3e..741816a 100644
+--- a/drivers/ide/ide-cd.c
++++ b/drivers/ide/ide-cd.c
+@@ -1332,8 +1332,6 @@ static ide_startstop_t cdrom_start_read 
+ 	if (cdrom_read_from_buffer(drive))
+ 		return ide_stopped;
+ 
+-	blk_attempt_remerge(drive->queue, rq);
+-
+ 	/* Clear the local sector buffer. */
+ 	info->nsectors_buffered = 0;
+ 
+@@ -1874,14 +1872,6 @@ static ide_startstop_t cdrom_start_write
+ 		return ide_stopped;
+ 	}
+ 
+-	/*
+-	 * for dvd-ram and such media, it's a really big deal to get
+-	 * big writes all the time. so scour the queue and attempt to
+-	 * remerge requests, often the plugging will not have had time
+-	 * to do this properly
+-	 */
+-	blk_attempt_remerge(drive->queue, rq);
+-
+ 	info->nsectors_buffered = 0;
+ 
+ 	/* use dma, if possible. we don't need to check more, since we
+diff --git a/drivers/message/i2o/i2o_scsi.c b/drivers/message/i2o/i2o_scsi.c
+index 9f1744c..1c5c6c7 100644
+--- a/drivers/message/i2o/i2o_scsi.c
++++ b/drivers/message/i2o/i2o_scsi.c
+@@ -729,7 +729,7 @@ static int i2o_scsi_abort(struct scsi_cm
+ 	       &msg->u.head[1]);
+ 	writel(i2o_cntxt_list_get_ptr(c, SCpnt), &msg->body[0]);
+ 
+-	if (i2o_msg_post_wait(c, m, I2O_TIMEOUT_SCSI_SCB_ABORT))
++	if (!i2o_msg_post_wait(c, msg, I2O_TIMEOUT_SCSI_SCB_ABORT))
+ 		status = SUCCESS;
+ 
+ 	return status;
+diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
+index 3e9accf..f4424cf 100644
+--- a/drivers/net/hamradio/mkiss.c
++++ b/drivers/net/hamradio/mkiss.c
+@@ -515,6 +515,7 @@ static void ax_encaps(struct net_device 
+ 			count = kiss_esc(p, (unsigned char *)ax->xbuff, len);
+ 		}
+   	}
++	spin_unlock_bh(&ax->buflock);
+ 
+ 	set_bit(TTY_DO_WRITE_WAKEUP, &ax->tty->flags);
+ 	actual = ax->tty->driver->write(ax->tty, ax->xbuff, count);
+diff --git a/drivers/usb/input/pid.c b/drivers/usb/input/pid.c
+index 19e015d..d9d9f65 100644
+--- a/drivers/usb/input/pid.c
++++ b/drivers/usb/input/pid.c
+@@ -259,7 +259,7 @@ static int hid_pid_upload_effect(struct 
+ int hid_pid_init(struct hid_device *hid)
+ {
+ 	struct hid_ff_pid *private;
+-	struct hid_input *hidinput = list_entry(&hid->inputs, struct hid_input, list);
++	struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+ 	struct input_dev *input_dev = hidinput->input;
+ 
+ 	private = hid->ff_private = kzalloc(sizeof(struct hid_ff_pid), GFP_KERNEL);
+diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
+index 42afb5b..9c38f10 100644
+--- a/fs/reiserfs/super.c
++++ b/fs/reiserfs/super.c
+@@ -1131,7 +1131,7 @@ static void handle_attrs(struct super_bl
+ 			REISERFS_SB(s)->s_mount_opt &= ~(1 << REISERFS_ATTRS);
+ 		}
+ 	} else if (le32_to_cpu(rs->s_flags) & reiserfs_attrs_cleared) {
+-		REISERFS_SB(s)->s_mount_opt |= REISERFS_ATTRS;
++		REISERFS_SB(s)->s_mount_opt |= (1 << REISERFS_ATTRS);
+ 	}
+ }
+ 
+diff --git a/fs/ufs/util.h b/fs/ufs/util.h
+index b264007..e45ad53 100644
+--- a/fs/ufs/util.h
++++ b/fs/ufs/util.h
+@@ -255,8 +255,8 @@ extern void _ubh_memcpyubh_(struct ufs_s
+ 	((struct ufs_super_block_first *)((ubh)->bh[0]->b_data))
+ 
+ #define ubh_get_usb_second(ubh) \
+-	((struct ufs_super_block_second *)(ubh)-> \
+-	bh[UFS_SECTOR_SIZE >> uspi->s_fshift]->b_data + (UFS_SECTOR_SIZE & ~uspi->s_fmask))
++	((struct ufs_super_block_second *)((ubh)->\
++	bh[UFS_SECTOR_SIZE >> uspi->s_fshift]->b_data + (UFS_SECTOR_SIZE & ~uspi->s_fmask)))
+ 
+ #define ubh_get_usb_third(ubh) \
+ 	((struct ufs_super_block_third *)((ubh)-> \
+diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
+index a33a31e..4be1139 100644
+--- a/include/linux/blkdev.h
++++ b/include/linux/blkdev.h
+@@ -559,7 +559,6 @@ extern void register_disk(struct gendisk
+ extern void generic_make_request(struct bio *bio);
+ extern void blk_put_request(struct request *);
+ extern void blk_end_sync_rq(struct request *rq);
+-extern void blk_attempt_remerge(request_queue_t *, struct request *);
+ extern struct request *blk_get_request(request_queue_t *, int, gfp_t);
+ extern void blk_insert_request(request_queue_t *, struct request *, int, void *);
+ extern void blk_requeue_request(request_queue_t *, struct request *);
+diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
+index 8c5d600..c461bc5 100644
+--- a/include/linux/skbuff.h
++++ b/include/linux/skbuff.h
+@@ -927,7 +927,7 @@ static inline int skb_tailroom(const str
+  *	Increase the headroom of an empty &sk_buff by reducing the tail
+  *	room. This is only allowed for an empty buffer.
+  */
+-static inline void skb_reserve(struct sk_buff *skb, unsigned int len)
++static inline void skb_reserve(struct sk_buff *skb, int len)
+ {
+ 	skb->data += len;
+ 	skb->tail += len;
+diff --git a/ipc/mqueue.c b/ipc/mqueue.c
+index c8943b5..565b2fa 100644
+--- a/ipc/mqueue.c
++++ b/ipc/mqueue.c
+@@ -598,15 +598,16 @@ static int mq_attr_ok(struct mq_attr *at
+ static struct file *do_create(struct dentry *dir, struct dentry *dentry,
+ 			int oflag, mode_t mode, struct mq_attr __user *u_attr)
+ {
+-	struct file *filp;
+ 	struct mq_attr attr;
+ 	int ret;
+ 
+-	if (u_attr != NULL) {
++	if (u_attr) {
++		ret = -EFAULT;
+ 		if (copy_from_user(&attr, u_attr, sizeof(attr)))
+-			return ERR_PTR(-EFAULT);
++			goto out;
++		ret = -EINVAL;
+ 		if (!mq_attr_ok(&attr))
+-			return ERR_PTR(-EINVAL);
++			goto out;
+ 		/* store for use during create */
+ 		dentry->d_fsdata = &attr;
+ 	}
+@@ -615,13 +616,14 @@ static struct file *do_create(struct den
+ 	ret = vfs_create(dir->d_inode, dentry, mode, NULL);
+ 	dentry->d_fsdata = NULL;
+ 	if (ret)
+-		return ERR_PTR(ret);
++		goto out;
+ 
+-	filp = dentry_open(dentry, mqueue_mnt, oflag);
+-	if (!IS_ERR(filp))
+-		dget(dentry);
++	return dentry_open(dentry, mqueue_mnt, oflag);
+ 
+-	return filp;
++out:
++	dput(dentry);
++	mntput(mqueue_mnt);
++	return ERR_PTR(ret);
+ }
+ 
+ /* Opens existing queue */
+@@ -629,20 +631,20 @@ static struct file *do_open(struct dentr
+ {
+ static int oflag2acc[O_ACCMODE] = { MAY_READ, MAY_WRITE,
+ 					MAY_READ | MAY_WRITE };
+-	struct file *filp;
+ 
+-	if ((oflag & O_ACCMODE) == (O_RDWR | O_WRONLY))
++	if ((oflag & O_ACCMODE) == (O_RDWR | O_WRONLY)) {
++		dput(dentry);
++		mntput(mqueue_mnt);
+ 		return ERR_PTR(-EINVAL);
++	}
+ 
+-	if (permission(dentry->d_inode, oflag2acc[oflag & O_ACCMODE], NULL))
++	if (permission(dentry->d_inode, oflag2acc[oflag & O_ACCMODE], NULL)) {
++		dput(dentry);
++		mntput(mqueue_mnt);
+ 		return ERR_PTR(-EACCES);
++	}
+ 
+-	filp = dentry_open(dentry, mqueue_mnt, oflag);
+-
+-	if (!IS_ERR(filp))
+-		dget(dentry);
+-
+-	return filp;
++	return dentry_open(dentry, mqueue_mnt, oflag);
+ }
+ 
+ asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode,
+@@ -670,17 +672,20 @@ asmlinkage long sys_mq_open(const char _
+ 
+ 	if (oflag & O_CREAT) {
+ 		if (dentry->d_inode) {	/* entry already exists */
+-			filp = (oflag & O_EXCL) ? ERR_PTR(-EEXIST) :
+-					do_open(dentry, oflag);
++			error = -EEXIST;
++			if (oflag & O_EXCL)
++				goto out;
++			filp = do_open(dentry, oflag);
+ 		} else {
+ 			filp = do_create(mqueue_mnt->mnt_root, dentry,
+ 						oflag, mode, u_attr);
+ 		}
+-	} else
+-		filp = (dentry->d_inode) ? do_open(dentry, oflag) :
+-					ERR_PTR(-ENOENT);
+-
+-	dput(dentry);
++	} else {
++		error = -ENOENT;
++		if (!dentry->d_inode)
++			goto out;
++		filp = do_open(dentry, oflag);
++	}
+ 
+ 	if (IS_ERR(filp)) {
+ 		error = PTR_ERR(filp);
+@@ -691,8 +696,10 @@ asmlinkage long sys_mq_open(const char _
+ 	fd_install(fd, filp);
+ 	goto out_upsem;
+ 
+-out_putfd:
++out:
++	dput(dentry);
+ 	mntput(mqueue_mnt);
++out_putfd:
+ 	put_unused_fd(fd);
+ out_err:
+ 	fd = error;
+diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
+index 99dae02..78b0316 100644
+--- a/sound/usb/usbaudio.c
++++ b/sound/usb/usbaudio.c
+@@ -480,22 +480,38 @@ static int retire_playback_sync_urb_hs(s
+ /*
+  * Prepare urb for streaming before playback starts.
+  *
+- * We don't care about (or have) any data, so we just send a transfer delimiter.
++ * We don't yet have data, so we send a frame of silence.
+  */
+ static int prepare_startup_playback_urb(snd_usb_substream_t *subs,
+ 					snd_pcm_runtime_t *runtime,
+ 					struct urb *urb)
+ {
+-	unsigned int i;
++	unsigned int i, offs, counts;
+ 	snd_urb_ctx_t *ctx = urb->context;
++	int stride = runtime->frame_bits >> 3;
+ 
++	offs = 0;
+ 	urb->dev = ctx->subs->dev;
+ 	urb->number_of_packets = subs->packs_per_ms;
+ 	for (i = 0; i < subs->packs_per_ms; ++i) {
+-		urb->iso_frame_desc[i].offset = 0;
+-		urb->iso_frame_desc[i].length = 0;
++		/* calculate the size of a packet */
++		if (subs->fill_max)
++			counts = subs->maxframesize; /* fixed */
++		else {
++			subs->phase = (subs->phase & 0xffff)
++				+ (subs->freqm << subs->datainterval);
++			counts = subs->phase >> 16;
++			if (counts > subs->maxframesize)
++				counts = subs->maxframesize;
++		}
++		urb->iso_frame_desc[i].offset = offs * stride;
++		urb->iso_frame_desc[i].length = counts * stride;
++		offs += counts;
+ 	}
+-	urb->transfer_buffer_length = 0;
++	urb->transfer_buffer_length = offs * stride;
++	memset(urb->transfer_buffer,
++	       subs->cur_audiofmt->format == SNDRV_PCM_FORMAT_U8 ? 0x80 : 0,
++	       offs * stride);
+ 	return 0;
+ }
+ 

Modified: dists/sid/linux-2.6/debian/patches/series/4
==============================================================================
--- dists/sid/linux-2.6/debian/patches/series/4	(original)
+++ dists/sid/linux-2.6/debian/patches/series/4	Tue Jan 31 10:04:44 2006
@@ -6,3 +6,4 @@
 + amd64-pppd-fix.patch
 + 64bit-vidiocswin-ioctl-fix.patch
 + sparc64-clock-settime.patch
++ 2.6.15.2.patch



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