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Based on 1 normalized pattern(s):
this program can be redistributed or modified under the terms of the
gnu general public license version 2 as published by the free
software foundation this program is distributed without any warranty
or implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license version 2 for more
details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 1 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141900.551133917@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If llc_mac_hdr_init() returns an error, we must drop the skb
since no llc_build_and_send_ui_pkt() caller will take care of this.
BUG: memory leak
unreferenced object 0xffff8881202b6800 (size 2048):
comm "syz-executor907", pid 7074, jiffies 4294943781 (age 8.590s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
1a 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00 ...@............
backtrace:
[<00000000e25b5abe>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline]
[<00000000e25b5abe>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e25b5abe>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e25b5abe>] __do_kmalloc mm/slab.c:3658 [inline]
[<00000000e25b5abe>] __kmalloc+0x161/0x2c0 mm/slab.c:3669
[<00000000a1ae188a>] kmalloc include/linux/slab.h:552 [inline]
[<00000000a1ae188a>] sk_prot_alloc+0xd6/0x170 net/core/sock.c:1608
[<00000000ded25bbe>] sk_alloc+0x35/0x2f0 net/core/sock.c:1662
[<000000002ecae075>] llc_sk_alloc+0x35/0x170 net/llc/llc_conn.c:950
[<00000000551f7c47>] llc_ui_create+0x7b/0x140 net/llc/af_llc.c:173
[<0000000029027f0e>] __sock_create+0x164/0x250 net/socket.c:1430
[<000000008bdec225>] sock_create net/socket.c:1481 [inline]
[<000000008bdec225>] __sys_socket+0x69/0x110 net/socket.c:1523
[<00000000b6439228>] __do_sys_socket net/socket.c:1532 [inline]
[<00000000b6439228>] __se_sys_socket net/socket.c:1530 [inline]
[<00000000b6439228>] __x64_sys_socket+0x1e/0x30 net/socket.c:1530
[<00000000cec820c1>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<000000000c32554f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
BUG: memory leak
unreferenced object 0xffff88811d750d00 (size 224):
comm "syz-executor907", pid 7074, jiffies 4294943781 (age 8.600s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 f0 0c 24 81 88 ff ff 00 68 2b 20 81 88 ff ff ...$.....h+ ....
backtrace:
[<0000000053026172>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline]
[<0000000053026172>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000053026172>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000053026172>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<00000000fa8f3c30>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:198
[<00000000d96fdafb>] alloc_skb include/linux/skbuff.h:1058 [inline]
[<00000000d96fdafb>] alloc_skb_with_frags+0x5f/0x250 net/core/skbuff.c:5327
[<000000000a34a2e7>] sock_alloc_send_pskb+0x269/0x2a0 net/core/sock.c:2225
[<00000000ee39999b>] sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2242
[<00000000e034d810>] llc_ui_sendmsg+0x10a/0x540 net/llc/af_llc.c:933
[<00000000c0bc8445>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<00000000c0bc8445>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<000000003b687167>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<00000000922d78d9>] __do_sys_sendto net/socket.c:1976 [inline]
[<00000000922d78d9>] __se_sys_sendto net/socket.c:1972 [inline]
[<00000000922d78d9>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972
[<00000000cec820c1>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<000000000c32554f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sending malformed llc packets triggers this spew, which seems excessive.
WARNING: CPU: 1 PID: 6917 at net/llc/llc_output.c:46 llc_mac_hdr_init+0x85/0x90 [llc]()
device type not supported: 0
CPU: 1 PID: 6917 Comm: trinity-c1 Not tainted 3.13.0+ #95
0000000000000009 00000000007e257d ffff88009232fbe8 ffffffffac737325
ffff88009232fc30 ffff88009232fc20 ffffffffac06d28d ffff88020e07f180
ffff88009232fec0 00000000000000c8 0000000000000000 ffff88009232fe70
Call Trace:
[<ffffffffac737325>] dump_stack+0x4e/0x7a
[<ffffffffac06d28d>] warn_slowpath_common+0x7d/0xa0
[<ffffffffac06d30c>] warn_slowpath_fmt+0x5c/0x80
[<ffffffffc01736d5>] llc_mac_hdr_init+0x85/0x90 [llc]
[<ffffffffc0173759>] llc_build_and_send_ui_pkt+0x79/0x90 [llc]
[<ffffffffc057cdba>] llc_ui_sendmsg+0x23a/0x400 [llc2]
[<ffffffffac605d8c>] sock_sendmsg+0x9c/0xe0
[<ffffffffac185a37>] ? might_fault+0x47/0x50
[<ffffffffac606321>] SYSC_sendto+0x121/0x1c0
[<ffffffffac011847>] ? syscall_trace_enter+0x207/0x270
[<ffffffffac6071ce>] SyS_sendto+0xe/0x10
[<ffffffffac74aaa4>] tracesys+0xdd/0xe2
Until 2009, this was a printk, when it was changed in
bf9ae5386bc: "llc: use dev_hard_header".
Let userland figure out what -EINVAL means by itself.
Signed-off-by: Dave Jones <davej@fedoraproject.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We are going to delete the Token ring support. This removes any
special processing in the core networking for token ring, (aside
from net/tr.c itself), leaving the drivers and remaining tokenring
support present but inert.
The mass removal of the drivers and net/tr.c will be in a separate
commit, so that the history of these files that we still care
about won't have the giant deletion tied into their history.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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These files are non modular, but need to export symbols using
the macros now living in export.h -- call out the include so
that things won't break when we remove the implicit presence
of module.h from everywhere.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Using dev_hard_header allows us to use LLC with VLANs and potentially
other Ethernet/TokernRing specific encapsulations. It also removes code
duplication between LLC and Ethernet/TokenRing core code.
Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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skb_push updates and returns skb->data, so we can just call
skb_reset_mac_header after the call to skb_push.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For the common, open coded 'skb->mac.raw = skb->data' operation, so that we can
later turn skb->mac.raw into a offset, reducing the size of struct sk_buff in
64bit land while possibly keeping it as a pointer on 32bit.
This one touches just the most simple case, next will handle the slightly more
"complex" cases.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cleanup of LLC. llc_mac_hdr_init can take constant arguments,
and it is defined twice once in llc_output.h that is otherwise unused.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Acked-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
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Thomas Gleixner
Eric Dumazet
Dave Jones
Paul Gortmaker
Octavian Purdila
Arnaldo Carvalho de Melo
YOSHIFUJI Hideaki
Stephen Hemminger
Arnaldo Carvalho de Melo
Linus Torvalds