[syzbot] [net?] [wireless?] WARNING in ieee80211_bss_info_change_notify (2)
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syzbot
Oct 12, 2023, 10:41:47 AM10/12/23
to da...@davemloft.net, edum...@google.com, joha...@sipsolutions.net, ku...@kernel.org, linux-...@vger.kernel.org, linux-w...@vger.kernel.org, net...@vger.kernel.org, pab...@redhat.com, syzkall...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 401644852d0b Merge tag 'fs_for_v6.6-rc6' of git://git.kern..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=176b01ad680000
kernel config: https://syzkaller.appspot.com/x/.config?x=32d0b9b42ceb8b10
dashboard link: https://syzkaller.appspot.com/bug?extid=dd4779978217b1973180
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: i386
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/94b84d66fc32/disk-40164485.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2a510b785da4/vmlinux-40164485.xz
kernel image: https://storage.googleapis.com/syzbot-assets/663b784d908b/bzImage-40164485.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+dd4779...@syzkaller.appspotmail.com
------------[ cut here ]------------
wlan1: Failed check-sdata-in-driver check, flags: 0x0
WARNING: CPU: 0 PID: 9044 at net/mac80211/main.c:236 ieee80211_bss_info_change_notify+0x2c9/0x820 net/mac80211/main.c:236
Modules linked in:
CPU: 0 PID: 9044 Comm: syz-executor.2 Not tainted 6.6.0-rc5-syzkaller-00072-g401644852d0b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:ieee80211_bss_info_change_notify+0x2c9/0x820 net/mac80211/main.c:236
Code: 00 00 e8 4a e3 d6 f7 48 8b 74 24 08 48 89 74 24 08 e8 3b e3 d6 f7 8b 14 24 48 c7 c7 c0 a2 c4 8b 48 8b 74 24 08 e8 87 0b 9d f7 <0f> 0b e8 20 e3 d6 f7 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc900062472d8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888020030c80 RCX: ffffc90003ec1000
RDX: 0000000000040000 RSI: ffffffff814df0c6 RDI: 0000000000000001
RBP: 0000000000000a00 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888078ef8e20
R13: ffff8880200328b0 R14: ffff8880200315a0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0063) knlGS:00000000f7f3ab40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f72646b0 CR3: 0000000020d94000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ieee80211_ibss_disconnect+0x411/0x9d0 net/mac80211/ibss.c:726
ieee80211_ibss_leave+0x16/0x160 net/mac80211/ibss.c:1872
rdev_leave_ibss net/wireless/rdev-ops.h:569 [inline]
__cfg80211_leave_ibss+0x1a2/0x410 net/wireless/ibss.c:210
cfg80211_leave_ibss+0x59/0x80 net/wireless/ibss.c:228
cfg80211_change_iface+0x457/0xdf0 net/wireless/util.c:1137
nl80211_set_interface+0x708/0x9b0 net/wireless/nl80211.c:4222
genl_family_rcv_msg_doit+0x1fc/0x2e0 net/netlink/genetlink.c:971
genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline]
genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1066
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
____sys_sendmsg+0x6ac/0x940 net/socket.c:2558
___sys_sendmsg+0x135/0x1d0 net/socket.c:2612
__sys_sendmsg+0x117/0x1e0 net/socket.c:2641
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x61/0xe0 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: 0023:0xf7f3f579
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:00000000f7f3a5ac EFLAGS: 00000292 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000100
RDX: 0000000000000000 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 ret
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 overwrite 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: 401644852d0b Merge tag 'fs_for_v6.6-rc6' of git://git.kern..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=176b01ad680000
kernel config: https://syzkaller.appspot.com/x/.config?x=32d0b9b42ceb8b10
dashboard link: https://syzkaller.appspot.com/bug?extid=dd4779978217b1973180
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: i386
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/94b84d66fc32/disk-40164485.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2a510b785da4/vmlinux-40164485.xz
kernel image: https://storage.googleapis.com/syzbot-assets/663b784d908b/bzImage-40164485.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+dd4779...@syzkaller.appspotmail.com
------------[ cut here ]------------
wlan1: Failed check-sdata-in-driver check, flags: 0x0
WARNING: CPU: 0 PID: 9044 at net/mac80211/main.c:236 ieee80211_bss_info_change_notify+0x2c9/0x820 net/mac80211/main.c:236
Modules linked in:
CPU: 0 PID: 9044 Comm: syz-executor.2 Not tainted 6.6.0-rc5-syzkaller-00072-g401644852d0b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:ieee80211_bss_info_change_notify+0x2c9/0x820 net/mac80211/main.c:236
Code: 00 00 e8 4a e3 d6 f7 48 8b 74 24 08 48 89 74 24 08 e8 3b e3 d6 f7 8b 14 24 48 c7 c7 c0 a2 c4 8b 48 8b 74 24 08 e8 87 0b 9d f7 <0f> 0b e8 20 e3 d6 f7 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc900062472d8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888020030c80 RCX: ffffc90003ec1000
RDX: 0000000000040000 RSI: ffffffff814df0c6 RDI: 0000000000000001
RBP: 0000000000000a00 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888078ef8e20
R13: ffff8880200328b0 R14: ffff8880200315a0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0063) knlGS:00000000f7f3ab40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f72646b0 CR3: 0000000020d94000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ieee80211_ibss_disconnect+0x411/0x9d0 net/mac80211/ibss.c:726
ieee80211_ibss_leave+0x16/0x160 net/mac80211/ibss.c:1872
rdev_leave_ibss net/wireless/rdev-ops.h:569 [inline]
__cfg80211_leave_ibss+0x1a2/0x410 net/wireless/ibss.c:210
cfg80211_leave_ibss+0x59/0x80 net/wireless/ibss.c:228
cfg80211_change_iface+0x457/0xdf0 net/wireless/util.c:1137
nl80211_set_interface+0x708/0x9b0 net/wireless/nl80211.c:4222
genl_family_rcv_msg_doit+0x1fc/0x2e0 net/netlink/genetlink.c:971
genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline]
genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1066
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
____sys_sendmsg+0x6ac/0x940 net/socket.c:2558
___sys_sendmsg+0x135/0x1d0 net/socket.c:2612
__sys_sendmsg+0x117/0x1e0 net/socket.c:2641
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x61/0xe0 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: 0023:0xf7f3f579
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:00000000f7f3a5ac EFLAGS: 00000292 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000100
RDX: 0000000000000000 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 ret
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 overwrite 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
Oct 13, 2023, 9:48:47 AM10/13/23
to da...@davemloft.net, edum...@google.com, joha...@sipsolutions.net, ku...@kernel.org, linux-...@vger.kernel.org, linux-w...@vger.kernel.org, net...@vger.kernel.org, pab...@redhat.com, syzkall...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: ce583d5fb9d3 Merge tag 'for-v6.6-rc2' of git://git.kernel...
git tree: upstream
console+strace: https://syzkaller.appspot.com/x/log.txt?x=125f7d55680000
kernel config: https://syzkaller.appspot.com/x/.config?x=5d83dadac33c08b7
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=170cf875680000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/43a421473cd1/disk-ce583d5f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/76dd974a032f/vmlinux-ce583d5f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/5c8c2ff05ef3/bzImage-ce583d5f.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+dd4779...@syzkaller.appspotmail.com
netlink: 'syz-executor374': attribute type 27 has an invalid length.
Modules linked in:
CPU: 1 PID: 5036 Comm: syz-executor374 Not tainted 6.6.0-rc5-syzkaller-00171-gce583d5fb9d3 #0
RSP: 0018:ffffc9000344f2f8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff88807da50c80 RCX: 0000000000000000
RDX: ffff88807d852040 RSI: ffffffff814cf016 RDI: 0000000000000001
R13: ffff88807da528b0 R14: ffff88807da515a0 R15: 0000000000000000
FS: 0000555556919380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f934a6ed463 CR3: 00000000268ad000 CR4: 00000000003506e0
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f934a6ef4e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 00 00 90 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc0722bea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f934a6ef4e9
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000005
</TASK>
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
HEAD commit: ce583d5fb9d3 Merge tag 'for-v6.6-rc2' of git://git.kernel...
git tree: upstream
console+strace: https://syzkaller.appspot.com/x/log.txt?x=125f7d55680000
kernel config: https://syzkaller.appspot.com/x/.config?x=5d83dadac33c08b7
dashboard link: https://syzkaller.appspot.com/bug?extid=dd4779978217b1973180
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=157a58e5680000
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=170cf875680000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/43a421473cd1/disk-ce583d5f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/76dd974a032f/vmlinux-ce583d5f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/5c8c2ff05ef3/bzImage-ce583d5f.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+dd4779...@syzkaller.appspotmail.com
------------[ cut here ]------------
wlan1: Failed check-sdata-in-driver check, flags: 0x0
WARNING: CPU: 1 PID: 5036 at net/mac80211/main.c:236 ieee80211_bss_info_change_notify+0x2c9/0x820 net/mac80211/main.c:236
wlan1: Failed check-sdata-in-driver check, flags: 0x0
Modules linked in:
CPU: 1 PID: 5036 Comm: syz-executor374 Not tainted 6.6.0-rc5-syzkaller-00171-gce583d5fb9d3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:ieee80211_bss_info_change_notify+0x2c9/0x820 net/mac80211/main.c:236
Code: 00 00 e8 5a e1 d6 f7 48 8b 74 24 08 48 89 74 24 08 e8 4b e1 d6 f7 8b 14 24 48 c7 c7 e0 7b c4 8b 48 8b 74 24 08 e8 77 0a 9d f7 <0f> 0b e8 30 e1 d6 f7 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1
RIP: 0010:ieee80211_bss_info_change_notify+0x2c9/0x820 net/mac80211/main.c:236
RSP: 0018:ffffc9000344f2f8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff88807da50c80 RCX: 0000000000000000
RDX: ffff88807d852040 RSI: ffffffff814cf016 RDI: 0000000000000001
RBP: 0000000000000a00 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888072358e20
R13: ffff88807da528b0 R14: ffff88807da515a0 R15: 0000000000000000
FS: 0000555556919380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f934a6ed463 CR3: 00000000268ad000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ieee80211_ibss_disconnect+0x411/0x9d0 net/mac80211/ibss.c:726
ieee80211_ibss_leave+0x16/0x160 net/mac80211/ibss.c:1872
rdev_leave_ibss net/wireless/rdev-ops.h:569 [inline]
__cfg80211_leave_ibss+0x1a2/0x410 net/wireless/ibss.c:210
cfg80211_leave_ibss+0x59/0x80 net/wireless/ibss.c:228
cfg80211_change_iface+0x457/0xdf0 net/wireless/util.c:1137
nl80211_set_interface+0x708/0x9b0 net/wireless/nl80211.c:4222
genl_family_rcv_msg_doit+0x1fc/0x2e0 net/netlink/genetlink.c:971
genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline]
genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1066
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
____sys_sendmsg+0x6ac/0x940 net/socket.c:2558
___sys_sendmsg+0x135/0x1d0 net/socket.c:2612
__sys_sendmsg+0x117/0x1e0 net/socket.c:2641
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ieee80211_ibss_disconnect+0x411/0x9d0 net/mac80211/ibss.c:726
ieee80211_ibss_leave+0x16/0x160 net/mac80211/ibss.c:1872
rdev_leave_ibss net/wireless/rdev-ops.h:569 [inline]
__cfg80211_leave_ibss+0x1a2/0x410 net/wireless/ibss.c:210
cfg80211_leave_ibss+0x59/0x80 net/wireless/ibss.c:228
cfg80211_change_iface+0x457/0xdf0 net/wireless/util.c:1137
nl80211_set_interface+0x708/0x9b0 net/wireless/nl80211.c:4222
genl_family_rcv_msg_doit+0x1fc/0x2e0 net/netlink/genetlink.c:971
genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline]
genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1066
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
____sys_sendmsg+0x6ac/0x940 net/socket.c:2558
___sys_sendmsg+0x135/0x1d0 net/socket.c:2612
__sys_sendmsg+0x117/0x1e0 net/socket.c:2641
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f934a6ef4e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 00 00 90 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc0722bea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f934a6ef4e9
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffc0722bf20 R15: 00007ffc0722bf10
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
</TASK>
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
syzbot
Oct 13, 2023, 7:50:32 PM10/13/23
to SHA-cyfma...@infineon.com, ajay....@microchip.com, amitk...@gmail.com, asp...@gmail.com, brcm80211-d...@broadcom.com, claudiu...@microchip.com, da...@davemloft.net, edum...@google.com, frank...@broadcom.com, ganapa...@gmail.com, geom...@gmail.com, gre...@linuxfoundation.org, hante.m...@broadcom.com, huxinm...@gmail.com, imits...@quantenna.com, johann...@intel.com, joha...@sipsolutions.net, ku...@kernel.org, kv...@kernel.org, libert...@lists.infradead.org, linux-...@vger.kernel.org, linux-...@lists.linux.dev, linux-w...@vger.kernel.org, net...@vger.kernel.org, pab...@redhat.com, sharvari....@nxp.com, syzkall...@googlegroups.com
syzbot has bisected this issue to:
commit 7b0a0e3c3a88260b6fcb017e49f198463aa62ed1
Author: Johannes Berg <johann...@intel.com>
Date: Thu Apr 14 14:50:57 2022 +0000
wifi: cfg80211: do some rework towards MLO link APIs
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13fdd89d680000
start commit: ce583d5fb9d3 Merge tag 'for-v6.6-rc2' of git://git.kernel...
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=1003d89d680000
console output: https://syzkaller.appspot.com/x/log.txt?x=17fdd89d680000
Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
commit 7b0a0e3c3a88260b6fcb017e49f198463aa62ed1
Author: Johannes Berg <johann...@intel.com>
Date: Thu Apr 14 14:50:57 2022 +0000
wifi: cfg80211: do some rework towards MLO link APIs
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13fdd89d680000
start commit: ce583d5fb9d3 Merge tag 'for-v6.6-rc2' of git://git.kernel...
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=1003d89d680000
console output: https://syzkaller.appspot.com/x/log.txt?x=17fdd89d680000
kernel config: https://syzkaller.appspot.com/x/.config?x=5d83dadac33c08b7
dashboard link: https://syzkaller.appspot.com/bug?extid=dd4779978217b1973180
dashboard link: https://syzkaller.appspot.com/bug?extid=dd4779978217b1973180
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=157a58e5680000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=170cf875680000
Reported-by: syzbot+dd4779...@syzkaller.appspotmail.com
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=170cf875680000
Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
Hillf Danton
Oct 13, 2023, 9:30:53 PM10/13/23
to syzbot, linux-...@vger.kernel.org, syzkall...@googlegroups.com
On Fri, 13 Oct 2023 06:48:45 -0700
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
--- x/net/mac80211/main.c
+++ y/net/mac80211/main.c
@@ -217,6 +217,8 @@ void ieee80211_bss_info_change_notify(st
if (!changed || sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
return;
+ if (!test_bit(SDATA_STATE_RUNNING, &sdata->state))
+ return;
if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
BSS_CHANGED_BEACON_ENABLED) &&
--
> HEAD commit: ce583d5fb9d3 Merge tag 'for-v6.6-rc2' of git://git.kernel...
> git tree: upstream
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=170cf875680000
> git tree: upstream
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
--- x/net/mac80211/main.c
+++ y/net/mac80211/main.c
@@ -217,6 +217,8 @@ void ieee80211_bss_info_change_notify(st
if (!changed || sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
return;
+ if (!test_bit(SDATA_STATE_RUNNING, &sdata->state))
+ return;
if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
BSS_CHANGED_BEACON_ENABLED) &&
--
syzbot
Oct 13, 2023, 9:46:27 PM10/13/23
to hda...@sina.com, linux-...@vger.kernel.org, syzkall...@googlegroups.com
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
WARNING in ieee80211_ibss_disconnect
------------[ cut here ]------------
wlan1: Failed check-sdata-in-driver check, flags: 0x0
WARNING: CPU: 0 PID: 5474 at net/mac80211/driver-ops.h:1139 drv_leave_ibss net/mac80211/driver-ops.h:1139 [inline]
WARNING: CPU: 0 PID: 5474 at net/mac80211/driver-ops.h:1139 ieee80211_ibss_disconnect+0x5d1/0x9d0 net/mac80211/ibss.c:728
Modules linked in:
CPU: 0 PID: 5474 Comm: syz-executor.0 Not tainted 6.6.0-rc5-syzkaller-00234-g8cb1f10d8c4b-dirty #0
RIP: 0010:ieee80211_ibss_disconnect+0x5d1/0x9d0 net/mac80211/ibss.c:728
Code: a5 10 09 00 00 4d 85 e4 0f 84 79 02 00 00 e8 a6 b6 d0 f7 e8 a1 b6 d0 f7 44 89 f2 4c 89 e6 48 c7 c7 20 c1 c4 8b e8 cf df 96 f7 <0f> 0b e9 c0 fe ff ff e8 83 b6 d0 f7 48 8b 3c 24 48 89 ee e8 07 f6
RSP: 0018:ffffc90003517348 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8880176a95a0 RCX: 0000000000000000
RDX: ffff888076e92100 RSI: ffffffff814cf016 RDI: 0000000000000001
RBP: ffff8880176a8c80 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880176a8000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS: 00007f2ce0e6d6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2ce0e6d0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2ce019c050 RCX: 00007f2ce007cae9
</TASK>
Tested on:
commit: 8cb1f10d Merge tag 'scsi-fixes' of git://git.kernel.or..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=156a5875680000
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
WARNING in ieee80211_ibss_disconnect
------------[ cut here ]------------
wlan1: Failed check-sdata-in-driver check, flags: 0x0
WARNING: CPU: 0 PID: 5474 at net/mac80211/driver-ops.h:1139 ieee80211_ibss_disconnect+0x5d1/0x9d0 net/mac80211/ibss.c:728
Modules linked in:
CPU: 0 PID: 5474 Comm: syz-executor.0 Not tainted 6.6.0-rc5-syzkaller-00234-g8cb1f10d8c4b-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:drv_leave_ibss net/mac80211/driver-ops.h:1139 [inline]
RIP: 0010:ieee80211_ibss_disconnect+0x5d1/0x9d0 net/mac80211/ibss.c:728
Code: a5 10 09 00 00 4d 85 e4 0f 84 79 02 00 00 e8 a6 b6 d0 f7 e8 a1 b6 d0 f7 44 89 f2 4c 89 e6 48 c7 c7 20 c1 c4 8b e8 cf df 96 f7 <0f> 0b e9 c0 fe ff ff e8 83 b6 d0 f7 48 8b 3c 24 48 89 ee e8 07 f6
RSP: 0018:ffffc90003517348 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8880176a95a0 RCX: 0000000000000000
RDX: ffff888076e92100 RSI: ffffffff814cf016 RDI: 0000000000000001
RBP: ffff8880176a8c80 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880176a8000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS: 00007f2ce0e6d6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556133612680 CR3: 000000006528e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ieee80211_ibss_leave+0x16/0x160 net/mac80211/ibss.c:1872
rdev_leave_ibss net/wireless/rdev-ops.h:569 [inline]
__cfg80211_leave_ibss+0x1a2/0x410 net/wireless/ibss.c:210
cfg80211_leave_ibss+0x59/0x80 net/wireless/ibss.c:228
cfg80211_change_iface+0x457/0xdf0 net/wireless/util.c:1137
nl80211_set_interface+0x708/0x9b0 net/wireless/nl80211.c:4222
genl_family_rcv_msg_doit+0x1fc/0x2e0 net/netlink/genetlink.c:971
genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline]
genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1066
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
____sys_sendmsg+0x6ac/0x940 net/socket.c:2558
___sys_sendmsg+0x135/0x1d0 net/socket.c:2612
__sys_sendmsg+0x117/0x1e0 net/socket.c:2641
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2ce007cae9
rdev_leave_ibss net/wireless/rdev-ops.h:569 [inline]
__cfg80211_leave_ibss+0x1a2/0x410 net/wireless/ibss.c:210
cfg80211_leave_ibss+0x59/0x80 net/wireless/ibss.c:228
cfg80211_change_iface+0x457/0xdf0 net/wireless/util.c:1137
nl80211_set_interface+0x708/0x9b0 net/wireless/nl80211.c:4222
genl_family_rcv_msg_doit+0x1fc/0x2e0 net/netlink/genetlink.c:971
genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline]
genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1066
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
____sys_sendmsg+0x6ac/0x940 net/socket.c:2558
___sys_sendmsg+0x135/0x1d0 net/socket.c:2612
__sys_sendmsg+0x117/0x1e0 net/socket.c:2641
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2ce0e6d0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2ce019c050 RCX: 00007f2ce007cae9
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000005
RBP: 00007f2ce00c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f2ce019c050 R15: 00007ffdee155718
</TASK>
Tested on:
commit: 8cb1f10d Merge tag 'scsi-fixes' of git://git.kernel.or..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=156a5875680000
kernel config: https://syzkaller.appspot.com/x/.config?x=5d83dadac33c08b7
dashboard link: https://syzkaller.appspot.com/bug?extid=dd4779978217b1973180
dashboard link: https://syzkaller.appspot.com/bug?extid=dd4779978217b1973180
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=10c2aec9680000
Hillf Danton
Oct 13, 2023, 11:06:13 PM10/13/23
to syzbot, linux-...@vger.kernel.org, syzkall...@googlegroups.com
On Fri, 13 Oct 2023 06:48:45 -0700
> HEAD commit: ce583d5fb9d3 Merge tag 'for-v6.6-rc2' of git://git.kernel...
> git tree: upstream
> git tree: upstream
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=170cf875680000
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
--- x/net/mac80211/driver-ops.h
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
+++ y/net/mac80211/driver-ops.h
@@ -14,6 +14,7 @@
#define check_sdata_in_driver(sdata) ({ \
WARN_ONCE(!sdata->local->reconfig_failure && \
+ test_bit(SDATA_STATE_RUNNING, &sdata->state) && \
!(sdata->flags & IEEE80211_SDATA_IN_DRIVER), \
"%s: Failed check-sdata-in-driver check, flags: 0x%x\n", \
sdata->dev ? sdata->dev->name : sdata->name, sdata->flags); \
--
syzbot
Oct 13, 2023, 11:35:27 PM10/13/23
to hda...@sina.com, linux-...@vger.kernel.org, syzkall...@googlegroups.com
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-and-tested-by: syzbot+dd4779...@syzkaller.appspotmail.com
Tested on:
commit: 8cb1f10d Merge tag 'scsi-fixes' of git://git.kernel.or..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=1042c729680000
Note: testing is done by a robot and is best-effort only.
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-and-tested-by: syzbot+dd4779...@syzkaller.appspotmail.com
Tested on:
commit: 8cb1f10d Merge tag 'scsi-fixes' of git://git.kernel.or..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
kernel config: https://syzkaller.appspot.com/x/.config?x=5d83dadac33c08b7
dashboard link: https://syzkaller.appspot.com/bug?extid=dd4779978217b1973180
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=12982711680000
dashboard link: https://syzkaller.appspot.com/bug?extid=dd4779978217b1973180
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
Note: testing is done by a robot and is best-effort only.
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