- 16 Apr, 2008 9 commits
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Li Zefan authored
When I used a test program to fork mass processes and immediately move them to a cgroup where the memory limit is low enough to trigger oom kill, I got oops: BUG: unable to handle kernel NULL pointer dereference at 0000000000000808 IP: [<ffffffff8045c47f>] _spin_lock_irqsave+0x8/0x18 PGD 4c95f067 PUD 4406c067 PMD 0 Oops: 0002 [1] SMP CPU 2 Modules linked in: Pid: 11973, comm: a.out Not tainted 2.6.25-rc7 #5 RIP: 0010:[<ffffffff8045c47f>] [<ffffffff8045c47f>] _spin_lock_irqsave+0x8/0x18 RSP: 0018:ffff8100448c7c30 EFLAGS: 00010002 RAX: 0000000000000202 RBX: 0000000000000009 RCX: 000000000001c9f3 RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000808 RBP: ffff81007e444080 R08: 0000000000000000 R09: ffff8100448c7900 R10: ffff81000105f480 R11: 00000100ffffffff R12: ffff810067c84140 R13: 0000000000000001 R14: ffff8100441d0018 R15: ffff81007da56200 FS: 00007f70eb1856f0(0000) GS:ffff81007fbad3c0(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000808 CR3: 000000004498a000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process a.out (pid: 11973, threadinfo ffff8100448c6000, task ffff81007da533e0) Stack: ffffffff8023ef5a 00000000000000d0 ffffffff80548dc0 00000000000000d0 ffff810067c84140 ffff81007e444080 ffffffff8026cef9 00000000000000d0 ffff8100441d0000 00000000000000d0 ffff8100441d0000 ffff8100505445c0 Call Trace: [<ffffffff8023ef5a>] ? force_sig_info+0x25/0xb9 [<ffffffff8026cef9>] ? oom_kill_task+0x77/0xe2 [<ffffffff8026d696>] ? mem_cgroup_out_of_memory+0x55/0x67 [<ffffffff802910ad>] ? mem_cgroup_charge_common+0xec/0x202 [<ffffffff8027997b>] ? handle_mm_fault+0x24e/0x77f [<ffffffff8022c4af>] ? default_wake_function+0x0/0xe [<ffffffff8027a17a>] ? get_user_pages+0x2ce/0x3af [<ffffffff80290fee>] ? mem_cgroup_charge_common+0x2d/0x202 [<ffffffff8027a441>] ? make_pages_present+0x8e/0xa4 [<ffffffff8027d1ab>] ? mmap_region+0x373/0x429 [<ffffffff8027d7eb>] ? do_mmap_pgoff+0x2ff/0x364 [<ffffffff80210471>] ? sys_mmap+0xe5/0x111 [<ffffffff8020bfc9>] ? tracesys+0xdc/0xe1 Code: 00 00 01 48 8b 3c 24 e9 46 d4 dd ff f0 ff 07 48 8b 3c 24 e9 3a d4 dd ff fe 07 48 8b 3c 24 e9 2f d4 dd ff 9c 58 fa ba 00 01 00 00 <f0> 66 0f c1 17 38 f2 74 06 f3 90 8a 17 eb f6 c3 fa b8 00 01 00 RIP [<ffffffff8045c47f>] _spin_lock_irqsave+0x8/0x18 RSP <ffff8100448c7c30> CR2: 0000000000000808 ---[ end trace c3702fa668021ea4 ]--- It's reproducable in a x86_64 box, but doesn't happen in x86_32. This is because tsk->sighand is not guarded by RCU, so we have to hold tasklist_lock, just as what out_of_memory() does. Signed-off-by:
Li Zefan <lizf@cn.fujitsu> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by:
Balbir Singh <balbir@linux.vnet.ibm.com> Cc: Pavel Emelianov <xemul@openvz.org> Cc: Paul Menage <menage@google.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: David Rientjes <rientjes@cs.washington.edu> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Kay Sievers authored
Since 43cc71ee, the platform modalias is prefixed with "platform:". Add MODULE_ALIAS() to the hotpluggable serial platform drivers, to re-enable auto loading. NOTE that Kconfig for some of these drivers doesn't allow modular builds, and thus doesn't match the driver source's unload support. Presumably their unload code is buggy and/or weakly tested... [dbrownell@users.sourceforge.net: more drivers, registration fixes] Signed-off-by:
Kay Sievers <kay.sievers@vrfy.org> Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Acked-by:
Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by:
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Kay Sievers authored
Since 43cc71ee, the platform modalias is prefixed with "platform:". Add MODULE_ALIAS() to the hotpluggable PCMCIA platform drivers, to re-enable auto loading. [dbrownell@users.sourceforge.net: registration fixes] Signed-off-by:
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Kay Sievers authored
Since 43cc71ee, the platform modalias is prefixed with "platform:". Add MODULE_ALIAS() to the hotpluggable 'misc' platform drivers, to re-enable auto loading. [dbrownell@users.sourceforge.net: bugfix, registration fixes] Signed-off-by:
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Alexey Dobriyan authored
/proc/fb is not removed during rmmod. Steps to reproduce: modprobe fb rmmod fb ls /proc BUG: unable to handle kernel paging request at ffffffffa0094370 IP: [<ffffffff802b92a1>] proc_get_inode+0x101/0x130 PGD 203067 PUD 207063 PMD 17e758067 PTE 0 Oops: 0000 [1] SMP last sysfs file: /sys/devices/pci0000:00/0000:00:1e.0/0000:05:02.0/resource CPU 1 Modules linked in: nf_conntrack_irc xt_state iptable_filter ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack ip_tables x_tables vfat fat usbhid ehci_hcd uhci_hcd usbcore sr_mod cdrom [last unloaded: fb] Pid: 21205, comm: ls Not tainted 2.6.25-rc8-mm2 #14 RIP: 0010:[<ffffffff802b92a1>] [<ffffffff802b92a1>] proc_get_inode+0x101/0x130 RSP: 0018:ffff81017c4bfc78 EFLAGS: 00010246 RAX: 0000000000008000 RBX: ffff8101787f5470 RCX: 0000000048011ccc RDX: ffffffffa0094320 RSI: ffff810006ad43b0 RDI: ffff81017fc2cc00 RBP: ffff81017e450300 R08: 0000000000000002 R09: ffff81017c5d1000 R10: 0000000000000000 R11: 0000000000000246 R12: ffff81016b903a28 R13: ffff81017f822020 R14: ffff81017c4bfd58 R15: ffff81017f822020 FS: 00007f08e71696f0(0000) GS:ffff81017fc06480(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: ffffffffa0094370 CR3: 000000017e54a000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process ls (pid: 21205, threadinfo ffff81017c4be000, task ffff81017de48770) Stack: ffff81017c5d1000 00000000ffffffea ffff81017e450300 ffffffff802bdd1e ffff81017f802258 ffff81017c4bfe48 ffff81016b903a28 ffff81017f822020 ffff81017c4bfd48 ffffffff802b9ba0 ffff81016b903a28 ffff81017f802258 Call Trace: [<ffffffff802bdd1e>] ? proc_lookup_de+0x8e/0x100 [<ffffffff802b9ba0>] ? proc_root_lookup+0x20/0x60 [<ffffffff802882a7>] ? do_lookup+0x1b7/0x210 [<ffffffff8028883d>] ? __link_path_walk+0x53d/0x7f0 [<ffffffff80295eb8>] ? mntput_no_expire+0x28/0x130 [<ffffffff80288b4a>] ? path_walk+0x5a/0xc0 [<ffffffff80288dd3>] ? do_path_lookup+0x83/0x1c0 [<ffffffff80287785>] ? getname+0xe5/0x210 [<ffffffff80289adb>] ? __user_walk_fd+0x4b/0x80 [<ffffffff8028236c>] ? vfs_lstat_fd+0x2c/0x70 [<ffffffff8028bf1e>] ? filldir+0xae/0xf0 [<ffffffff802b92e9>] ? de_put+0x9/0x50 [<ffffffff8029633d>] ? mnt_want_write+0x2d/0x80 [<ffffffff8029339f>] ? touch_atime+0x1f/0x170 [<ffffffff802b9b1d>] ? proc_root_readdir+0x7d/0xa0 [<ffffffff802825e7>] ? sys_newlstat+0x27/0x50 [<ffffffff8028bffb>] ? vfs_readdir+0x9b/0xd0 [<ffffffff8028c0fe>] ? sys_getdents+0xce/0xe0 [<ffffffff8020b39b>] ? system_call_after_swapgs+0x7b/0x80 Code: b7 83 b2 00 00 00 25 00 f0 00 00 3d 00 80 00 00 74 19 48 89 93 f0 00 00 00 48 89 df e8 39 9a fd ff 48 89 d8 48 83 c4 08 5b 5d c3 <48> 83 7a 50 00 48 c7 c0 60 16 45 80 48 c7 c2 40 17 45 80 48 0f RIP [<ffffffff802b92a1>] proc_get_inode+0x101/0x130 RSP <ffff81017c4bfc78> CR2: ffffffffa0094370 ---[ end trace c71hiarjan8ab739 ]--- Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> "Antonino A. Daplas" <adaplas@pol.net> Cc: <stable@kernel.org> Signed-off-by:
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Kay Sievers authored
Since 43cc71ee, the platform modalias is prefixed with "platform:". Add MODULE_ALIAS() to the hotpluggable platform LED drivers, to re-enable auto loading. [dbrownell@users.sourceforge.net: more drivers, registration fixes] Signed-off-by:
Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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Zhao Yakui authored
There is a bug in the function of cmos_set_alarm. RTC alarm time for October can't be set correctly. For October: 0x0A will be written into the RTC region (MONTH_ALARM) in current kernel. But in fact 0x10 should be written. Wildcards are also not handled correctly. Signed-off-by:
Zhao Yakui <yakui.zhao@intel.com> Signed-off-by:
Zhang Rui <rui.zhang@intel.com> Signed-off-by:
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Kay Sievers authored
Since 43cc71ee, the platform modalias is prefixed with "platform:". Add MODULE_ALIAS() to the hotpluggable MMC host platform drivers, to re-enable auto loading. Also, add missing owner declarations in driver init. [dbrownell@users.sourceforge.net: registration fixes] Signed-off-by:
Pierre Ossman <drzeus@drzeus.cx> Signed-off-by:
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Ingo Molnar authored
Fix memory corruption and crash on 32-bit x86 systems. If a !PAE x86 kernel is booted on a 32-bit system with more than 4GB of RAM, then we call memory_present() with a start/end that goes outside the scope of MAX_PHYSMEM_BITS. That causes this loop to happily walk over the limit of the sparse memory section map: for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION) { unsigned long section = pfn_to_section_nr(pfn); struct mem_section *ms; sparse_index_init(section, nid); set_section_nid(section, nid); ms = __nr_to_section(section); if (!ms->section_mem_map) ms->section_mem_map = sparse_encode_early_nid(nid) | SECTION_MARKED_PRESENT; 'ms' will be out of bounds and we'll corrupt a small amount of memory by encoding the node ID and writing SECTION_MARKED_PRESENT (==0x1) over it. The corruption might happen when encoding a non-zero node ID, or due to the SECTION_MARKED_PRESENT which is 0x1: mmzone.h:#define SECTION_MARKED_PRESENT (1UL<<0) The fix is to sanity check anything the architecture passes to sparsemem. This bug seems to be rather old (as old as sparsemem support itself), but the exact incarnation depended on random details like configs, which made this bug more prominent in v2.6.25-to-be. An additional enhancement might be to print a warning about ignored or trimmed memory ranges. Signed-off-by:Ingo Molnar <mingo@elte.hu> Tested-by:
Christoph Lameter <clameter@sgi.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Nick Piggin <npiggin@suse.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: Yinghai Lu <Yinghai.Lu@sun.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by:
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- 15 Apr, 2008 7 commits
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Kyle McMartin authored
The signal trampolines were accidently flushing the kernel I$ instead of the users. Fix that up, and also add a missing user D$ flush while we're at it. Signed-off-by:
Kyle McMartin <kyle@mcmartin.ca> Signed-off-by:
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Linus Torvalds authored
When I cleaned up printk() and split up the printk locking logic in commit 266c2e0a ("Make printk() console semaphore accesses sensible") I had incorrectly moved the call to have_callable_console() outside of the console semaphore. That was buggy. The console semaphore protects the console_drivers list that is used by have_callable_console(). Thanks go to Bongani Hlope who saw this as a hang on shutdown and reboot and bisected the bug to the right commit, and tested this patch. See http://lkml.org/lkml/2008/4/11/315Bisected-and-tested-by:
Bongani Hlope <bonganilinux@mweb.co.za> Cc: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.25Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.25: sh: export empty_zero_page sh: arch/sh/kernel/traps_32.c needs asm/fpu.h sh: fix compressed kernel build sh64: add missing #include <asm/fpu.h>'s
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Andrew Morton authored
sh: export empty_zero_page ERROR: "empty_zero_page" [fs/ext4/ext4dev.ko] undefined! Signed-off-by:
Paul Mundt <lethal@linux-sh.org>
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Andrew Morton authored
sh: arch/sh/kernel/traps_32.c needs asm/fpu.h arch/sh/kernel/traps_32.c: In function `do_reserved_inst': arch/sh/kernel/traps_32.c:667: error: implicit declaration of function `do_fpu_inst' Signed-off-by:
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Manuel Lauss authored
commit 54a01510 broke zImage build on sh arch: LD vmlinux SYSMAP System.map SYSMAP .tmp_System.map AS arch/sh/boot/compressed/head_32.o In file included from /k/arch/sh/boot/compressed/head_32.S:11: /k/include/linux/linkage.h:34: error: syntax error in macro parameter list Fix it for both sh and sh64. Signed-off-by:
Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by:
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Adrian Bunk authored
This patch fixes some compile errors due to missing save_fpu() prototypes on sh64 caused by commit 9bbafce2 (sh: Fix occasional FPU register corruption under preempt). Signed-off-by:
Adrian Bunk <adrian.bunk@movial.fi> Signed-off-by:
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- 14 Apr, 2008 18 commits
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Alexey Korolev authored
This fixes a regression introduced in commit 205c109a when switching to write_begin/write_end operations in JFFS2. The page offset is miscalculated, leading to corruption of the fragment lists and subsequently to memory corruption and panics. [ Side note: the bug is a fairly direct result of the naming. Nick was likely misled by the use of "offs", since we tend to use the notion of "offset" not as an absolute position, but as an offset _within_ a page or allocation. Alternatively, a "pgoff_t" is a page index, but not a byte offset - our VM naming can be a bit confusing. So in this case, a VM person would likely have called this a "pos", not an "offs", or perhaps talked about byte offsets rather than page offsets (since it's counted in bytes, not pages). - Linus ] Signed-off-by:
Alexey Korolev <akorolev@infradead.org> Signed-off-by:
Vasiliy Leonenko <vasiliy.leonenko@mail.ru> Signed-off-by:
David Woodhouse <dwmw2@infradead.org> Signed-off-by:
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J. Bruce Fields authored
Miklos Szeredi found the bug: "Basically what happens is that on the server nlm_fopen() calls nfsd_open() which returns -EACCES, to which nlm_fopen() returns NLM_LCK_DENIED. "On the client this will turn into a -EAGAIN (nlm_stat_to_errno()), which in will cause fcntl_setlk() to retry forever." So, for example, opening a file on an nfs filesystem, changing permissions to forbid further access, then trying to lock the file, could result in an infinite loop. And Trond Myklebust identified the culprit, from Marc Eshel and I: 7723ec97 "locks: factor out generic/filesystem switch from setlock code" That commit claimed to just be reshuffling code, but actually introduced a behavioral change by calling the lock method repeatedly as long as it returned -EAGAIN. We assumed this would be safe, since we assumed a lock of type SETLKW would only return with either success or an error other than -EAGAIN. However, nfs does can in fact return -EAGAIN in this situation, and independently of whether that behavior is correct or not, we don't actually need this change, and it seems far safer not to depend on such assumptions about the filesystem's ->lock method. Therefore, revert the problematic part of the original commit. This leaves vfs_lock_file() and its other callers unchanged, while returning fcntl_setlk and fcntl_setlk64 to their former behavior. Signed-off-by:
J. Bruce Fields <bfields@citi.umich.edu> Tested-by:
Miklos Szeredi <mszeredi@suse.cz> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Marc Eshel <eshel@almaden.ibm.com> Signed-off-by:
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Linus Torvalds authored
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched-devel * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched-devel: revert "sched: fix fair sleepers"
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-devLinus Torvalds authored
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: [libata] make ali_atapi_dma static [libata] sata_svw: fix reversed port count
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (31 commits) [BRIDGE]: Fix crash in __ip_route_output_key with bridge netfilter [NETFILTER]: ipt_CLUSTERIP: fix race between clusterip_config_find_get and _entry_put [IPV6] ADDRCONF: Don't generate temporary address for ip6-ip6 interface. [IPV6] ADDRCONF: Ensure disabling multicast RS even if privacy extensions are disabled. [IPV6]: Use appropriate sock tclass setting for routing lookup. [IPV6]: IPv6 extension header structures need to be packed. [IPV6]: Fix ipv6 address fetching in raw6_icmp_error(). [NET]: Return more appropriate error from eth_validate_addr(). [ISDN]: Do not validate ISDN net device address prior to interface-up [NET]: Fix kernel-doc for skb_segment [SOCK] sk_stamp: should be initialized to ktime_set(-1L, 0) net: check for underlength tap writes net: make struct tun_struct private to tun.c [SCTP]: IPv4 vs IPv6 addresses mess in sctp_inet[6]addr_event. [SCTP]: Fix compiler warning about const qualifiers [SCTP]: Fix protocol violation when receiving an error lenght INIT-ACK [SCTP]: Add check for hmac_algo parameter in sctp_verify_param() [NET_SCHED] cls_u32: refcounting fix for u32_delete() [DCCP]: Fix skb->cb conflicts with IP [AX25]: Potential ax25_uid_assoc-s leaks on module unload. ...
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David Howells authored
Correctly determine the address of an illegal instruction. The EPCR0 register holds this value (masked by EPCR0_PC) if the validity bit is set (masked by EPCR0_V). So the test as to whether the contents of the register are usable should be involve checking the _V bit, not the _PC bits. Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
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Ingo Molnar authored
revert "sched: fix fair sleepers" (e22ecef1), because it is causing audio skipping, see: http://bugzilla.kernel.org/show_bug.cgi?id=10428 the patch is correct and the real cause of the skipping is not understood (tracing makes it go away), but time has run out so we'll revert it and re-try in 2.6.26. Signed-off-by:
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Patrick McHardy authored
The bridge netfilter code attaches a fake dst_entry with a pointer to a fake net_device structure to skbs it passes up to IPv4 netfilter. This leads to crashes when the skb is passed to __ip_route_output_key when dereferencing the namespace pointer. Since bridging can currently only operate in the init_net namespace, the easiest fix for now is to initialize the nd_net pointer of the fake net_device struct to &init_net. Should fix bugzilla 10323: http://bugzilla.kernel.org/show_bug.cgi?id=10323Signed-off-by:
Patrick McHardy <kaber@trash.net> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Pavel Emelyanov authored
Consider we are putting a clusterip_config entry with the "entries" count == 1, and on the other CPU there's a clusterip_config_find_get in progress: CPU1: CPU2: clusterip_config_entry_put: clusterip_config_find_get: if (atomic_dec_and_test(&c->entries)) { /* true */ read_lock_bh(&clusterip_lock); c = __clusterip_config_find(clusterip); /* found - it's still in list */ ... atomic_inc(&c->entries); read_unlock_bh(&clusterip_lock); write_lock_bh(&clusterip_lock); list_del(&c->list); write_unlock_bh(&clusterip_lock); ... dev_put(c->dev); Oops! We have an entry returned by the clusterip_config_find_get, which is a) not in list b) has a stale dev pointer. The problems will happen when the CPU2 will release the entry - it will remove it from the list for the 2nd time, thus spoiling it, and will put a stale dev pointer. The fix is to make atomic_dec_and_test under the clusterip_lock. Signed-off-by:Pavel Emelyanov <xemul@openvz.org> Signed-off-by:
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YOSHIFUJI Hideaki authored
As far as I can remember, I was going to disable privacy extensions on all "tunnel" interfaces. Disable it on ip6-ip6 interface as well. Also, just remove ifdefs for SIT for simplicity. Signed-off-by:
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by:
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YOSHIFUJI Hideaki authored
Signed-off-by:
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YOSHIFUJI Hideaki authored
Signed-off-by:
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YOSHIFUJI Hideaki authored
struct ipv6_opt_hdr is the common structure for IPv6 extension headers, and it is common to increment the pointer to get the real content. On the other hand, since the structure consists only of 1-byte next-header field and 1-byte length field, size of that structure depends on architecture; 2 or 4. Add "packed" attribute to get 2. Signed-off-by:
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David S. Miller authored
Fixes kernel bugzilla 10437 Based almost entirely upon a patch by Dmitry Butskoy. When deciding what raw sockets to deliver the ICMPv6 to, we should use the addresses in the ICMPv6 quoted IPV6 header, not the top-level one. Signed-off-by: -
Patrick McHardy authored
Paul Bolle wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=9923 would have been much easier to > track down if eth_validate_addr() would somehow complain aloud if an address > is invalid. Shouldn't it make at least some noise? I guess it should return -EADDRNOTAVAIL similar to eth_mac_addr() when validation fails. Signed-off-by:
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Paul Bolle authored
Commit bada339b (Validate device addr prior to interface-up) caused a regression in the ISDN network code, see: http://bugzilla.kernel.org/show_bug.cgi?id=9923 The trivial fix is to remove the pointer to eth_validate_addr() in the net_device struct in isdn_net_init(). Signed-off-by:
Paul Bolle <pebolle@tiscali.nl> Signed-off-by:
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Ben Hutchings authored
The kernel-doc comment for skb_segment is clearly wrong. This states what it actually does. Signed-off-by:
Ben Hutchings <bhutchings@solarflare.com> Signed-off-by:
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Eric Dumazet authored
Problem spotted by Andrew Brampton Signed-off-by:
Eric Dumazet <dada1@cosmosbay.com> Signed-off-by:
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- 13 Apr, 2008 6 commits
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Rusty Russell authored
If the user gives a packet under 14 bytes, we'll end up reading off the end of the skb (not oopsing, just reading off the end). Signed-off-by:
Rusty Russell <rusty@rustcorp.com.au> Acked-by:
Max Krasnyanskiy <maxk@qualcomm.com> Signed-off-by:
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Rusty Russell authored
There's no reason for this to be in the header, and it just hurts recompile time. Signed-off-by:
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Pavel Emelyanov authored
All IP addresses that are present in a system are duplicated on struct sctp_sockaddr_entry. They are linked in the global list called sctp_local_addr_list. And this struct unions IPv4 and IPv6 addresses. So, there can be rare case, when a sockaddr_in.sin_addr coincides with the corresponding part of the sockaddr_in6 and the notifier for IPv4 will carry away an IPv6 entry. The fix is to check the family before comparing the addresses. Signed-off-by:
Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by:
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Vlad Yasevich authored
Fix 3 warnings about discarding const qualifiers: net/sctp/ulpevent.c:862: warning: passing argument 1 of 'sctp_event2skb' discards qualifiers from pointer target type net/sctp/sm_statefuns.c:4393: warning: passing argument 1 of 'SCTP_ASOC' discards qualifiers from pointer target type net/sctp/socket.c:5874: warning: passing argument 1 of 'cmsg_nxthdr' discards qualifiers from pointer target type Signed-off-by:
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Gui Jianfeng authored
When receiving an error length INIT-ACK during COOKIE-WAIT, a 0-vtag ABORT will be responsed. This action violates the protocol apparently. This patch achieves the following things. 1 If the INIT-ACK contains all the fixed parameters, use init-tag recorded from INIT-ACK as vtag. 2 If the INIT-ACK doesn't contain all the fixed parameters, just reflect its vtag. Signed-off-by:
Gui Jianfeng <guijianfeng@cn.fujitsu.com> Signed-off-by:
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Wei Yongjun authored
RFC 4890 has the following text: The HMAC algorithm based on SHA-1 MUST be supported and included in the HMAC-ALGO parameter. As a result, we need to check in sctp_verify_param() that HMAC_SHA1 is present in the list. If not, we should probably treat this as a protocol violation. It should also be a protocol violation if the HMAC parameter is empty. Signed-off-by:
Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by:
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