All of lore.kernel.org
 help / color / mirror / Atom feed
From: syzbot <syzbot+8f2165a7b1f2820feffc@syzkaller.appspotmail.com>
To: davem@davemloft.net, kuba@kernel.org,
	linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org,
	marcelo.leitner@gmail.com, netdev@vger.kernel.org,
	nhorman@tuxdriver.com, syzkaller-bugs@googlegroups.com,
	vyasevich@gmail.com
Subject: general protection fault in sctp_ulpevent_notify_peer_addr_change
Date: Mon, 10 Aug 2020 15:37:18 +0000	[thread overview]
Message-ID: <000000000000d4adc705ac87ba8e@google.com> (raw)
In-Reply-To: <00000000000074219d05a139e082@google.com>

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset="windows-1254", Size: 5444 bytes --]

Hello,

syzbot found the following issue on:

HEAD commit:    fffe3ae0 Merge tag 'for-linus-hmm' of git://git.kernel.org..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x\x12f34d3a900000
kernel config:  https://syzkaller.appspot.com/x/.config?xP463ec6729f9706
dashboard link: https://syzkaller.appspot.com/bug?extid2165a7b1f2820feffc
compiler:       gcc (GCC) 10.1.0-syz 20200507
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x\x1517701c900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x\x11b7e0e2900000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+8f2165a7b1f2820feffc@syzkaller.appspotmail.com

general protection fault, probably for non-canonical address 0xdffffc000000004c: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000260-0x0000000000000267]
CPU: 0 PID: 12765 Comm: syz-executor391 Not tainted 5.8.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
RIP: 0010:sctp_ulpevent_notify_peer_addr_change+0xa9/0xad0 net/sctp/ulpevent.c:346
Code: 03 80 3c 18 00 0f 85 9f 08 00 00 48 8b 9d b0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 60 02 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 3a 08 00 00 44 8b a3 60 02 00
RSP: 0018:ffffc90000d27380 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000004c RSI: ffffffff875c9422 RDI: 0000000000000260
RBP: ffff8880235da158 R08: 0000000000000001 R09: ffff8880234cdd48
R10: fffffbfff155f111 R11: 0000000000000000 R12: 0000000000000001
R13: 1ffff920001a4e76 R14: 0000000000000004 R15: 0000000000000000
FS:  00007fdd571b7700(0000) GS:ffff88802ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 000000001c9d0000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sctp_assoc_set_primary+0x6c/0x300 net/sctp/associola.c:435
 sctp_assoc_rm_peer+0x6f7/0x950 net/sctp/associola.c:508
 sctp_assoc_update+0x588/0xfd0 net/sctp/associola.c:1116
 sctp_cmd_assoc_update net/sctp/sm_sideeffect.c:836 [inline]
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1305 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1185 [inline]
 sctp_do_sm+0x27f8/0x4d80 net/sctp/sm_sideeffect.c:1156
 sctp_assoc_bh_rcv+0x386/0x6c0 net/sctp/associola.c:1044
 sctp_inq_push+0x1da/0x270 net/sctp/inqueue.c:80
 sctp_backlog_rcv+0x19e/0x5c0 net/sctp/input.c:344
 sk_backlog_rcv include/net/sock.h:1001 [inline]
 __release_sock+0x134/0x3a0 net/core/sock.c:2550
 release_sock+0x54/0x1b0 net/core/sock.c:3087
 sctp_wait_for_connect+0x30f/0x540 net/sctp/socket.c:9302
 __sctp_connect+0x96b/0xc00 net/sctp/socket.c:1247
 __sctp_setsockopt_connectx+0x12d/0x180 net/sctp/socket.c:1343
 sctp_setsockopt_connectx net/sctp/socket.c:1375 [inline]
 sctp_setsockopt net/sctp/socket.c:4720 [inline]
 sctp_setsockopt+0x1642/0x70d0 net/sctp/socket.c:4677
 __sys_setsockopt+0x24a/0x480 net/socket.c:2127
 __do_sys_setsockopt net/socket.c:2143 [inline]
 __se_sys_setsockopt net/socket.c:2140 [inline]
 __x64_sys_setsockopt+0xba/0x150 net/socket.c:2140
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x43e119
Code: e8 4c b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb d0 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fdd571b6ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00000000006c7c58 RCX: 000000000043e119
RDX: 000000000000006e RSI: 0000000000000084 RDI: 0000000000000003
RBP: 00000000006c7c50 R08: 0000000000000020 R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000246 R12: 00000000006c7c5c
R13: 00007ffdb7fcef0f R14: 00007fdd57197000 R15: 0000000000000003
Modules linked in:
---[ end trace 49c057cb66761ca9 ]---
RIP: 0010:sctp_ulpevent_notify_peer_addr_change+0xa9/0xad0 net/sctp/ulpevent.c:346
Code: 03 80 3c 18 00 0f 85 9f 08 00 00 48 8b 9d b0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 60 02 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 3a 08 00 00 44 8b a3 60 02 00
RSP: 0018:ffffc90000d27380 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000004c RSI: ffffffff875c9422 RDI: 0000000000000260
RBP: ffff8880235da158 R08: 0000000000000001 R09: ffff8880234cdd48
R10: fffffbfff155f111 R11: 0000000000000000 R12: 0000000000000001
R13: 1ffff920001a4e76 R14: 0000000000000004 R15: 0000000000000000
FS:  00007fdd571b7700(0000) GS:ffff88802cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 000000001c9d0000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400


---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot can test patches for this issue, for details see:
https://goo.gl/tpsmEJ#testing-patches

WARNING: multiple messages have this Message-ID (diff)
From: syzbot <syzbot+8f2165a7b1f2820feffc@syzkaller.appspotmail.com>
To: davem@davemloft.net, kuba@kernel.org,
	linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org,
	marcelo.leitner@gmail.com, netdev@vger.kernel.org,
	nhorman@tuxdriver.com, syzkaller-bugs@googlegroups.com,
	vyasevich@gmail.com
Subject: general protection fault in sctp_ulpevent_notify_peer_addr_change
Date: Mon, 10 Aug 2020 08:37:18 -0700	[thread overview]
Message-ID: <000000000000d4adc705ac87ba8e@google.com> (raw)

Hello,

syzbot found the following issue on:

HEAD commit:    fffe3ae0 Merge tag 'for-linus-hmm' of git://git.kernel.org..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12f34d3a900000
kernel config:  https://syzkaller.appspot.com/x/.config?x=50463ec6729f9706
dashboard link: https://syzkaller.appspot.com/bug?extid=8f2165a7b1f2820feffc
compiler:       gcc (GCC) 10.1.0-syz 20200507
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1517701c900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11b7e0e2900000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+8f2165a7b1f2820feffc@syzkaller.appspotmail.com

general protection fault, probably for non-canonical address 0xdffffc000000004c: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000260-0x0000000000000267]
CPU: 0 PID: 12765 Comm: syz-executor391 Not tainted 5.8.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
RIP: 0010:sctp_ulpevent_notify_peer_addr_change+0xa9/0xad0 net/sctp/ulpevent.c:346
Code: 03 80 3c 18 00 0f 85 9f 08 00 00 48 8b 9d b0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 60 02 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 3a 08 00 00 44 8b a3 60 02 00
RSP: 0018:ffffc90000d27380 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000004c RSI: ffffffff875c9422 RDI: 0000000000000260
RBP: ffff8880235da158 R08: 0000000000000001 R09: ffff8880234cdd48
R10: fffffbfff155f111 R11: 0000000000000000 R12: 0000000000000001
R13: 1ffff920001a4e76 R14: 0000000000000004 R15: 0000000000000000
FS:  00007fdd571b7700(0000) GS:ffff88802ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 000000001c9d0000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sctp_assoc_set_primary+0x6c/0x300 net/sctp/associola.c:435
 sctp_assoc_rm_peer+0x6f7/0x950 net/sctp/associola.c:508
 sctp_assoc_update+0x588/0xfd0 net/sctp/associola.c:1116
 sctp_cmd_assoc_update net/sctp/sm_sideeffect.c:836 [inline]
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1305 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1185 [inline]
 sctp_do_sm+0x27f8/0x4d80 net/sctp/sm_sideeffect.c:1156
 sctp_assoc_bh_rcv+0x386/0x6c0 net/sctp/associola.c:1044
 sctp_inq_push+0x1da/0x270 net/sctp/inqueue.c:80
 sctp_backlog_rcv+0x19e/0x5c0 net/sctp/input.c:344
 sk_backlog_rcv include/net/sock.h:1001 [inline]
 __release_sock+0x134/0x3a0 net/core/sock.c:2550
 release_sock+0x54/0x1b0 net/core/sock.c:3087
 sctp_wait_for_connect+0x30f/0x540 net/sctp/socket.c:9302
 __sctp_connect+0x96b/0xc00 net/sctp/socket.c:1247
 __sctp_setsockopt_connectx+0x12d/0x180 net/sctp/socket.c:1343
 sctp_setsockopt_connectx net/sctp/socket.c:1375 [inline]
 sctp_setsockopt net/sctp/socket.c:4720 [inline]
 sctp_setsockopt+0x1642/0x70d0 net/sctp/socket.c:4677
 __sys_setsockopt+0x24a/0x480 net/socket.c:2127
 __do_sys_setsockopt net/socket.c:2143 [inline]
 __se_sys_setsockopt net/socket.c:2140 [inline]
 __x64_sys_setsockopt+0xba/0x150 net/socket.c:2140
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x43e119
Code: e8 4c b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb d0 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fdd571b6ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00000000006c7c58 RCX: 000000000043e119
RDX: 000000000000006e RSI: 0000000000000084 RDI: 0000000000000003
RBP: 00000000006c7c50 R08: 0000000000000020 R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000246 R12: 00000000006c7c5c
R13: 00007ffdb7fcef0f R14: 00007fdd57197000 R15: 0000000000000003
Modules linked in:
---[ end trace 49c057cb66761ca9 ]---
RIP: 0010:sctp_ulpevent_notify_peer_addr_change+0xa9/0xad0 net/sctp/ulpevent.c:346
Code: 03 80 3c 18 00 0f 85 9f 08 00 00 48 8b 9d b0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 60 02 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 3a 08 00 00 44 8b a3 60 02 00
RSP: 0018:ffffc90000d27380 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000004c RSI: ffffffff875c9422 RDI: 0000000000000260
RBP: ffff8880235da158 R08: 0000000000000001 R09: ffff8880234cdd48
R10: fffffbfff155f111 R11: 0000000000000000 R12: 0000000000000001
R13: 1ffff920001a4e76 R14: 0000000000000004 R15: 0000000000000000
FS:  00007fdd571b7700(0000) GS:ffff88802cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 000000001c9d0000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400


---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot can test patches for this issue, for details see:
https://goo.gl/tpsmEJ#testing-patches

  parent reply	other threads:[~2020-08-10 15:37 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-19 19:07 general protection fault in sctp_ulpevent_nofity_peer_addr_change syzbot
2020-03-19 19:07 ` syzbot
2020-03-20  0:48 ` syzbot
2020-03-20  0:48   ` syzbot
2020-03-20  0:48   ` syzbot
2020-03-20  1:17   ` Marcelo Ricardo Leitner
2020-03-20  1:17     ` Marcelo Ricardo Leitner
2020-03-20  1:17     ` Marcelo Ricardo Leitner
2020-08-10 15:37 ` syzbot [this message]
2020-08-10 15:37   ` general protection fault in sctp_ulpevent_notify_peer_addr_change syzbot
2020-08-10 18:30   ` Marcelo Ricardo Leitner
2020-08-10 18:30     ` Marcelo Ricardo Leitner
2020-08-12 14:19     ` Jonas Falkevik
2020-08-12 14:19       ` Jonas Falkevik

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=000000000000d4adc705ac87ba8e@google.com \
    --to=syzbot+8f2165a7b1f2820feffc@syzkaller.appspotmail.com \
    --cc=davem@davemloft.net \
    --cc=kuba@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-sctp@vger.kernel.org \
    --cc=marcelo.leitner@gmail.com \
    --cc=netdev@vger.kernel.org \
    --cc=nhorman@tuxdriver.com \
    --cc=syzkaller-bugs@googlegroups.com \
    --cc=vyasevich@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.