[sctp?] WARNING: ODEBUG bug in sctp_transport_free
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syzbot
May 10, 2023, 8:29:02 AM5/10/23
to syzkaller-upst...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: fc4354c6e5c2 Merge tag 'mm-stable-2023-05-06-10-49' of git..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=11a5516c280000
kernel config: https://syzkaller.appspot.com/x/.config?x=87f9126139666d37
dashboard link: https://syzkaller.appspot.com/bug?extid=a3863e4bc4a43342efd2
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: i386
CC: [da...@davemloft.net edum...@google.com ku...@kernel.org linux-...@vger.kernel.org linux...@vger.kernel.org lucie...@gmail.com marcelo...@gmail.com net...@vger.kernel.org nho...@tuxdriver.com pab...@redhat.com]
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/cce503ac74f5/disk-fc4354c6.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ead0faf879eb/vmlinux-fc4354c6.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9349e73e684d/bzImage-fc4354c6.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a3863e...@syzkaller.appspotmail.com
ODEBUG: assert_init not available (active state 0) object: ffff88807da63210 object type: timer_list hint: sctp_generate_proto_unreach_event+0x0/0x380 net/sctp/sm_sideeffect.c:386
WARNING: CPU: 0 PID: 5103 at lib/debugobjects.c:505 debug_print_object+0x194/0x2c0 lib/debugobjects.c:505
Modules linked in:
CPU: 0 PID: 5103 Comm: syz-executor.1 Not tainted 6.3.0-syzkaller-13466-gfc4354c6e5c2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:debug_print_object+0x194/0x2c0 lib/debugobjects.c:505
Code: df 48 89 fe 48 c1 ee 03 80 3c 16 00 0f 85 c7 00 00 00 48 8b 14 dd c0 1d a7 8a 50 4c 89 ee 48 c7 c7 80 11 a7 8a e8 fc e2 34 fd <0f> 0b 58 83 05 a6 85 63 0a 01 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e
RSP: 0018:ffffc9000492f4d8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000005 RCX: ffffc9000c5cb000
RDX: 0000000000040000 RSI: ffffffff814c03e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff8a4ed100
R13: ffffffff8aa71860 R14: ffffc9000492f598 R15: ffffffff8172be00
FS: 0000000000000000(0000) GS:ffff8880b9800000(0063) knlGS:00000000f7ed7b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002d322000 CR3: 000000002b252000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
debug_object_assert_init+0x20f/0x310 lib/debugobjects.c:912
debug_timer_assert_init kernel/time/timer.c:792 [inline]
debug_assert_init kernel/time/timer.c:837 [inline]
__timer_delete+0x73/0x1b0 kernel/time/timer.c:1321
del_timer include/linux/timer.h:213 [inline]
sctp_transport_free+0xa6/0x130 net/sctp/transport.c:139
sctp_association_free+0x4d0/0x7d0 net/sctp/associola.c:379
sctp_cmd_delete_tcb net/sctp/sm_sideeffect.c:944 [inline]
sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1327 [inline]
sctp_side_effects net/sctp/sm_sideeffect.c:1198 [inline]
sctp_do_sm+0x3324/0x5310 net/sctp/sm_sideeffect.c:1169
sctp_assoc_bh_rcv+0x38a/0x6c0 net/sctp/associola.c:1051
sctp_inq_push+0x1d6/0x270 net/sctp/inqueue.c:80
sctp_backlog_rcv+0x19a/0x5b0 net/sctp/input.c:331
sk_backlog_rcv include/net/sock.h:1113 [inline]
__release_sock+0x133/0x3b0 net/core/sock.c:2917
release_sock+0x58/0x1b0 net/core/sock.c:3484
sctp_wait_for_connect+0x416/0x5c0 net/sctp/socket.c:9325
__sctp_connect+0x9a1/0xc30 net/sctp/socket.c:1246
sctp_connect net/sctp/socket.c:4810 [inline]
sctp_inet_connect+0x161/0x200 net/sctp/socket.c:4825
__sys_connect_file+0x153/0x1a0 net/socket.c:2003
__sys_connect+0x165/0x1a0 net/socket.c:2020
__do_sys_connect net/socket.c:2030 [inline]
__se_sys_connect net/socket.c:2027 [inline]
__ia32_sys_connect+0x72/0xb0 net/socket.c:2027
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f1e579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f7ed75cc EFLAGS: 00000296 ORIG_RAX: 000000000000016a
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020000000
RDX: 000000000000001c RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 10 06 adc %al,(%rsi)
2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi
6: 10 07 adc %al,(%rdi)
8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
c: 10 08 adc %cl,(%rax)
e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
1e: 00 51 52 add %dl,0x52(%rcx)
21: 55 push %rbp
22: 89 e5 mov %esp,%ebp
24: 0f 34 sysenter
26: cd 80 int $0x80
* 28: 5d pop %rbp <-- trapping instruction
29: 5a pop %rdx
2a: 59 pop %rcx
2b: c3 retq
2c: 90 nop
2d: 90 nop
2e: 90 nop
2f: 90 nop
30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
---
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 syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the bug is already fixed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to change bug's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the bug is a duplicate of another bug, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: fc4354c6e5c2 Merge tag 'mm-stable-2023-05-06-10-49' of git..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=11a5516c280000
kernel config: https://syzkaller.appspot.com/x/.config?x=87f9126139666d37
dashboard link: https://syzkaller.appspot.com/bug?extid=a3863e4bc4a43342efd2
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: i386
CC: [da...@davemloft.net edum...@google.com ku...@kernel.org linux-...@vger.kernel.org linux...@vger.kernel.org lucie...@gmail.com marcelo...@gmail.com net...@vger.kernel.org nho...@tuxdriver.com pab...@redhat.com]
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/cce503ac74f5/disk-fc4354c6.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ead0faf879eb/vmlinux-fc4354c6.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9349e73e684d/bzImage-fc4354c6.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a3863e...@syzkaller.appspotmail.com
ODEBUG: assert_init not available (active state 0) object: ffff88807da63210 object type: timer_list hint: sctp_generate_proto_unreach_event+0x0/0x380 net/sctp/sm_sideeffect.c:386
WARNING: CPU: 0 PID: 5103 at lib/debugobjects.c:505 debug_print_object+0x194/0x2c0 lib/debugobjects.c:505
Modules linked in:
CPU: 0 PID: 5103 Comm: syz-executor.1 Not tainted 6.3.0-syzkaller-13466-gfc4354c6e5c2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:debug_print_object+0x194/0x2c0 lib/debugobjects.c:505
Code: df 48 89 fe 48 c1 ee 03 80 3c 16 00 0f 85 c7 00 00 00 48 8b 14 dd c0 1d a7 8a 50 4c 89 ee 48 c7 c7 80 11 a7 8a e8 fc e2 34 fd <0f> 0b 58 83 05 a6 85 63 0a 01 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e
RSP: 0018:ffffc9000492f4d8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000005 RCX: ffffc9000c5cb000
RDX: 0000000000040000 RSI: ffffffff814c03e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff8a4ed100
R13: ffffffff8aa71860 R14: ffffc9000492f598 R15: ffffffff8172be00
FS: 0000000000000000(0000) GS:ffff8880b9800000(0063) knlGS:00000000f7ed7b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002d322000 CR3: 000000002b252000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
debug_object_assert_init+0x20f/0x310 lib/debugobjects.c:912
debug_timer_assert_init kernel/time/timer.c:792 [inline]
debug_assert_init kernel/time/timer.c:837 [inline]
__timer_delete+0x73/0x1b0 kernel/time/timer.c:1321
del_timer include/linux/timer.h:213 [inline]
sctp_transport_free+0xa6/0x130 net/sctp/transport.c:139
sctp_association_free+0x4d0/0x7d0 net/sctp/associola.c:379
sctp_cmd_delete_tcb net/sctp/sm_sideeffect.c:944 [inline]
sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1327 [inline]
sctp_side_effects net/sctp/sm_sideeffect.c:1198 [inline]
sctp_do_sm+0x3324/0x5310 net/sctp/sm_sideeffect.c:1169
sctp_assoc_bh_rcv+0x38a/0x6c0 net/sctp/associola.c:1051
sctp_inq_push+0x1d6/0x270 net/sctp/inqueue.c:80
sctp_backlog_rcv+0x19a/0x5b0 net/sctp/input.c:331
sk_backlog_rcv include/net/sock.h:1113 [inline]
__release_sock+0x133/0x3b0 net/core/sock.c:2917
release_sock+0x58/0x1b0 net/core/sock.c:3484
sctp_wait_for_connect+0x416/0x5c0 net/sctp/socket.c:9325
__sctp_connect+0x9a1/0xc30 net/sctp/socket.c:1246
sctp_connect net/sctp/socket.c:4810 [inline]
sctp_inet_connect+0x161/0x200 net/sctp/socket.c:4825
__sys_connect_file+0x153/0x1a0 net/socket.c:2003
__sys_connect+0x165/0x1a0 net/socket.c:2020
__do_sys_connect net/socket.c:2030 [inline]
__se_sys_connect net/socket.c:2027 [inline]
__ia32_sys_connect+0x72/0xb0 net/socket.c:2027
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f1e579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f7ed75cc EFLAGS: 00000296 ORIG_RAX: 000000000000016a
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020000000
RDX: 000000000000001c RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 10 06 adc %al,(%rsi)
2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi
6: 10 07 adc %al,(%rdi)
8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
c: 10 08 adc %cl,(%rax)
e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
1e: 00 51 52 add %dl,0x52(%rcx)
21: 55 push %rbp
22: 89 e5 mov %esp,%ebp
24: 0f 34 sysenter
26: cd 80 int $0x80
* 28: 5d pop %rbp <-- trapping instruction
29: 5a pop %rdx
2a: 59 pop %rcx
2b: c3 retq
2c: 90 nop
2d: 90 nop
2e: 90 nop
2f: 90 nop
30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
---
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 syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the bug is already fixed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to change bug's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the bug is a duplicate of another bug, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
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