diff for duplicates of <20160125144802.GA6602@mrl.redhat.com> diff --git a/a/1.txt b/N1/1.txt index 09da0d2..ec81b59 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -5,13 +5,14 @@ On Mon, Jan 25, 2016 at 03:42:14PM +0100, Dmitry Vyukov wrote: > >> > >> I've git the following error report while running syzkaller fuzzer: > >> -> >> ================================= +> >> ================================================================== > >> BUG: KASAN: slab-out-of-bounds in memcpy+0x1d/0x40 at addr ffff88006c6361e8 > >> Read of size 28 by task syz-executor/12551 -> >> ======================================> >> BUG kmalloc-16 (Not tainted): kasan: bad access detected +> >> ============================================================================= +> >> BUG kmalloc-16 (Not tainted): kasan: bad access detected > >> ----------------------------------------------------------------------------- > >> -> >> INFO: Allocated in sctp_setsockopt_bindx+0xd2/0x3e0 age\x12 cpu=2 pid\x12551 +> >> INFO: Allocated in sctp_setsockopt_bindx+0xd2/0x3e0 age=12 cpu=2 pid=12551 > >> [< inline >] kmalloc include/linux/slab.h:468 > >> [< none >] sctp_setsockopt_bindx+0xd2/0x3e0 net/sctp/socket.c:975 > >> [< none >] sctp_setsockopt+0x1493/0x3630 net/sctp/socket.c:3711 @@ -21,9 +22,9 @@ On Mon, Jan 25, 2016 at 03:42:14PM +0100, Dmitry Vyukov wrote: > >> [< none >] entry_SYSCALL_64_fastpath+0x16/0x7a > >> arch/x86/entry/entry_64.S:185 > >> -> >> INFO: Slab 0xffffea0001b18d80 objects\x16 used=4 fp=0xffff88006c6376e0 +> >> INFO: Slab 0xffffea0001b18d80 objects=16 used=4 fp=0xffff88006c6376e0 > >> flags=0x5fffc0000004080 -> >> INFO: Object 0xffff88006c6361e8 @offsetH8 fp=0x0000000000000002 +> >> INFO: Object 0xffff88006c6361e8 @offset=488 fp=0x0000000000000002 > >> Bytes b4 ffff88006c6361d8: 00 00 00 00 00 00 00 00 2f 98 34 88 ff ff > >> ff ff ......../.4..... > >> Object ffff88006c6361e8: 02 00 00 00 00 00 00 00 02 00 ab 07 7f 00 00 @@ -55,7 +56,7 @@ On Mon, Jan 25, 2016 at 03:42:14PM +0100, Dmitry Vyukov wrote: > >> ^ > >> ffff88006c636200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc > >> ffff88006c636280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc -> >> ================================= +> >> ================================================================== > >> > >> > >> sctp_setsockopt_bindx verifies that the user-passed address has valid diff --git a/a/content_digest b/N1/content_digest index bbc0dfd..82e98bf 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -3,7 +3,7 @@ "ref\0CACT4Y+Z36GoxiRDQdFeVNkEvdRvmTXZC47cRM=TA1FCM+vCDcg@mail.gmail.com\0" "From\0Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>\0" "Subject\0Re: net/sctp: out-of-bounds access in sctp_add_bind_addr\0" - "Date\0Mon, 25 Jan 2016 14:48:02 +0000\0" + "Date\0Mon, 25 Jan 2016 12:48:02 -0200\0" "To\0Dmitry Vyukov <dvyukov@google.com>\0" "Cc\0Neil Horman <nhorman@tuxdriver.com>" Vlad Yasevich <vyasevich@gmail.com> @@ -25,13 +25,14 @@ "> >>\n" "> >> I've git the following error report while running syzkaller fuzzer:\n" "> >>\n" - "> >> =================================\n" + "> >> ==================================================================\n" "> >> BUG: KASAN: slab-out-of-bounds in memcpy+0x1d/0x40 at addr ffff88006c6361e8\n" "> >> Read of size 28 by task syz-executor/12551\n" - "> >> ======================================> >> BUG kmalloc-16 (Not tainted): kasan: bad access detected\n" + "> >> =============================================================================\n" + "> >> BUG kmalloc-16 (Not tainted): kasan: bad access detected\n" "> >> -----------------------------------------------------------------------------\n" "> >>\n" - "> >> INFO: Allocated in sctp_setsockopt_bindx+0xd2/0x3e0 age\022 cpu=2 pid\022551\n" + "> >> INFO: Allocated in sctp_setsockopt_bindx+0xd2/0x3e0 age=12 cpu=2 pid=12551\n" "> >> [< inline >] kmalloc include/linux/slab.h:468\n" "> >> [< none >] sctp_setsockopt_bindx+0xd2/0x3e0 net/sctp/socket.c:975\n" "> >> [< none >] sctp_setsockopt+0x1493/0x3630 net/sctp/socket.c:3711\n" @@ -41,9 +42,9 @@ "> >> [< none >] entry_SYSCALL_64_fastpath+0x16/0x7a\n" "> >> arch/x86/entry/entry_64.S:185\n" "> >>\n" - "> >> INFO: Slab 0xffffea0001b18d80 objects\026 used=4 fp=0xffff88006c6376e0\n" + "> >> INFO: Slab 0xffffea0001b18d80 objects=16 used=4 fp=0xffff88006c6376e0\n" "> >> flags=0x5fffc0000004080\n" - "> >> INFO: Object 0xffff88006c6361e8 @offsetH8 fp=0x0000000000000002\n" + "> >> INFO: Object 0xffff88006c6361e8 @offset=488 fp=0x0000000000000002\n" "> >> Bytes b4 ffff88006c6361d8: 00 00 00 00 00 00 00 00 2f 98 34 88 ff ff\n" "> >> ff ff ......../.4.....\n" "> >> Object ffff88006c6361e8: 02 00 00 00 00 00 00 00 02 00 ab 07 7f 00 00\n" @@ -75,7 +76,7 @@ "> >> ^\n" "> >> ffff88006c636200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n" "> >> ffff88006c636280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n" - "> >> =================================\n" + "> >> ==================================================================\n" "> >>\n" "> >>\n" "> >> sctp_setsockopt_bindx verifies that the user-passed address has valid\n" @@ -121,4 +122,4 @@ "\n" Marcelo -5f40f33ce6ee663338822f60a37b5d910b0c2472040358abb6c47d0827f79790 +d620101834586399fcf9602aa999f4336c9f706c002bbdc8f0cc27914470d66e
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