* [moderation/CI] Re: wifi: mac80211_hwsim: don't hand frames to mac80211 while stopping
@ 2026-09-06 6:23 syzbot ci
2026-09-06 6:52 ` Aleksandr Nogikh
0 siblings, 1 reply; 2+ messages in thread
From: syzbot ci @ 2026-09-06 6:23 UTC (permalink / raw)
To: syzkaller-upstream-moderation; +Cc: syzbot
syzbot ci has tested the following series
[v1] wifi: mac80211_hwsim: don't hand frames to mac80211 while stopping
https://lore.kernel.org/all/20260904170140.5f69a10d606b.I4a7921d00643f69e439c7a3b221d104f66a3dcdc@changeid
* [PATCH wireless] wifi: mac80211_hwsim: don't hand frames to mac80211 while stopping
and found the following issue:
BUG: unable to handle kernel paging request in hwsim_cloned_frame_received_nl
Full report is available here:
https://ci.syzbot.org/series/219738fc-ed0e-47c8-8100-a5940fbc20b7
***
BUG: unable to handle kernel paging request in hwsim_cloned_frame_received_nl
tree: wireless-next
URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/wireless/wireless-next.git
base: 1b60ed34f712e9f606d80951f1586f4274ebadf1
arch: amd64
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
config: https://ci.syzbot.org/builds/f0e5a89a-2d3b-4813-b1a1-01cf1b6e2ce4/config
syz repro: https://ci.syzbot.org/findings/457734e4-6b31-48a4-9aa6-ac6a4c6d65ee/syz_repro
BUG: unable to handle page fault for address: 00000000000048d0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 10ab48067 P4D 10ab48067 PUD 0
Oops: Oops: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 5793 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:lock_release+0x85/0x3c0 kernel/locking/lockdep.c:5923
Code: 84 26 02 00 00 65 8b 05 71 68 f1 11 85 c0 0f 85 17 02 00 00 65 4c 8b 3d b1 23 f1 11 41 83 bf a4 0b 00 00 00 0f 85 01 02 00 00 <49> 81 3e e0 24 56 94 0f 84 f4 01 00 00 9c 5b fa 48 c7 c7 60 f2 48
RSP: 0018:ffffc900036ef418 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000004870 RCX: 8000000000000001
RDX: 0000000000000000 RSI: ffffffff8c6d9460 RDI: ffffffff8c6d9420
RBP: ffffc900036ef570 R08: ffffc900036ef60f R09: 0000000000000000
R10: ffffc900036ef5e0 R11: fffff520006ddec2 R12: ffff888171777aa4
R13: ffffffff873ae393 R14: 00000000000048d0 R15: ffff88810ccca580
FS: 00007fe9e40d46c0(0000) GS:ffff8882a8cd9000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000048d0 CR3: 0000000113f11000 CR4: 0000000000352ef0
Call Trace:
<TASK>
__mutex_unlock_slowpath+0x88/0x900 kernel/locking/mutex.c:989
hwsim_cloned_frame_received_nl+0x363/0xcf0 drivers/net/wireless/virtual/mac80211_hwsim_main.c:6607
genl_family_rcv_msg_doit+0x233/0x340 net/netlink/genetlink.c:1114
genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline]
genl_rcv_msg+0x614/0x7a0 net/netlink/genetlink.c:1209
netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900
sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800
__sock_sendmsg net/socket.c:815 [inline]
__sys_sendto+0x408/0x5a0 net/socket.c:2281
__do_sys_sendto net/socket.c:2288 [inline]
__se_sys_sendto net/socket.c:2284 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2284
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe9e315e98e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007fe9e40d2ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fe9e40d46c0 RCX: 00007fe9e315e98e
RDX: 0000000000000034 RSI: 00007fe9e40d2fe0 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007fe9e40d2f24 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fe9e40d2fe0 R15: 0000000000000000
</TASK>
Modules linked in:
CR2: 00000000000048d0
---[ end trace 0000000000000000 ]---
RIP: 0010:lock_release+0x85/0x3c0 kernel/locking/lockdep.c:5923
Code: 84 26 02 00 00 65 8b 05 71 68 f1 11 85 c0 0f 85 17 02 00 00 65 4c 8b 3d b1 23 f1 11 41 83 bf a4 0b 00 00 00 0f 85 01 02 00 00 <49> 81 3e e0 24 56 94 0f 84 f4 01 00 00 9c 5b fa 48 c7 c7 60 f2 48
RSP: 0018:ffffc900036ef418 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000004870 RCX: 8000000000000001
RDX: 0000000000000000 RSI: ffffffff8c6d9460 RDI: ffffffff8c6d9420
RBP: ffffc900036ef570 R08: ffffc900036ef60f R09: 0000000000000000
R10: ffffc900036ef5e0 R11: fffff520006ddec2 R12: ffff888171777aa4
R13: ffffffff873ae393 R14: 00000000000048d0 R15: ffff88810ccca580
FS: 00007fe9e40d46c0(0000) GS:ffff8882a8cd9000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000048d0 CR3: 0000000113f11000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
0: 84 26 test %ah,(%rsi)
2: 02 00 add (%rax),%al
4: 00 65 8b add %ah,-0x75(%rbp)
7: 05 71 68 f1 11 add $0x11f16871,%eax
c: 85 c0 test %eax,%eax
e: 0f 85 17 02 00 00 jne 0x22b
14: 65 4c 8b 3d b1 23 f1 mov %gs:0x11f123b1(%rip),%r15 # 0x11f123cd
1b: 11
1c: 41 83 bf a4 0b 00 00 cmpl $0x0,0xba4(%r15)
23: 00
24: 0f 85 01 02 00 00 jne 0x22b
* 2a: 49 81 3e e0 24 56 94 cmpq $0xffffffff945624e0,(%r14) <-- trapping instruction
31: 0f 84 f4 01 00 00 je 0x22b
37: 9c pushf
38: 5b pop %rbx
39: fa cli
3a: 48 rex.W
3b: c7 .byte 0xc7
3c: c7 (bad)
3d: 60 (bad)
3e: f2 repnz
3f: 48 rex.W
***
If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
Tested-by: syzbot@syzkaller.appspotmail.com
---
This report is generated by a bot. It may contain errors.
syzbot ci engineers can be reached at syzkaller@googlegroups.com.
To test a fix for this bug, please reply with `#syz test`
(on a separate line) and attach the patch to the email.
Notes:
- The patch will be applied on top of the tested series (as an
incremental fix).
- To test a new version of the whole series, please send it directly
to syzbot@lists.linux.dev.
- Arguments like custom git repos and branches are not supported.
The email will later be sent to:
[johannes.berg@intel.com johannes@sipsolutions.net linux-wireless@vger.kernel.org syzbot@syzkaller.appspotmail.com]
If the report looks fine to you, reply with:
#syz upstream
If the report is a false positive, reply with
#syz invalid
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [moderation/CI] Re: wifi: mac80211_hwsim: don't hand frames to mac80211 while stopping
2026-09-06 6:23 [moderation/CI] Re: wifi: mac80211_hwsim: don't hand frames to mac80211 while stopping syzbot ci
@ 2026-09-06 6:52 ` Aleksandr Nogikh
0 siblings, 0 replies; 2+ messages in thread
From: Aleksandr Nogikh @ 2026-09-06 6:52 UTC (permalink / raw)
To: syzbot ci; +Cc: syzkaller-upstream-moderation, syzbot
#syz upstream
On Sun, Sep 6, 2026 at 8:23 AM syzbot ci
<syzbot+cid7efdd8361b129d0@syzkaller.appspotmail.com> wrote:
>
> syzbot ci has tested the following series
>
> [v1] wifi: mac80211_hwsim: don't hand frames to mac80211 while stopping
> https://lore.kernel.org/all/20260904170140.5f69a10d606b.I4a7921d00643f69e439c7a3b221d104f66a3dcdc@changeid
> * [PATCH wireless] wifi: mac80211_hwsim: don't hand frames to mac80211 while stopping
>
> and found the following issue:
> BUG: unable to handle kernel paging request in hwsim_cloned_frame_received_nl
>
> Full report is available here:
> https://ci.syzbot.org/series/219738fc-ed0e-47c8-8100-a5940fbc20b7
>
> ***
>
> BUG: unable to handle kernel paging request in hwsim_cloned_frame_received_nl
>
> tree: wireless-next
> URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/wireless/wireless-next.git
> base: 1b60ed34f712e9f606d80951f1586f4274ebadf1
> arch: amd64
> compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
> config: https://ci.syzbot.org/builds/f0e5a89a-2d3b-4813-b1a1-01cf1b6e2ce4/config
> syz repro: https://ci.syzbot.org/findings/457734e4-6b31-48a4-9aa6-ac6a4c6d65ee/syz_repro
>
> BUG: unable to handle page fault for address: 00000000000048d0
> #PF: supervisor read access in kernel mode
> #PF: error_code(0x0000) - not-present page
> PGD 10ab48067 P4D 10ab48067 PUD 0
> Oops: Oops: 0000 [#1] SMP KASAN NOPTI
> CPU: 1 UID: 0 PID: 5793 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(full)
> Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
> RIP: 0010:lock_release+0x85/0x3c0 kernel/locking/lockdep.c:5923
> Code: 84 26 02 00 00 65 8b 05 71 68 f1 11 85 c0 0f 85 17 02 00 00 65 4c 8b 3d b1 23 f1 11 41 83 bf a4 0b 00 00 00 0f 85 01 02 00 00 <49> 81 3e e0 24 56 94 0f 84 f4 01 00 00 9c 5b fa 48 c7 c7 60 f2 48
> RSP: 0018:ffffc900036ef418 EFLAGS: 00010246
> RAX: 0000000000000000 RBX: 0000000000004870 RCX: 8000000000000001
> RDX: 0000000000000000 RSI: ffffffff8c6d9460 RDI: ffffffff8c6d9420
> RBP: ffffc900036ef570 R08: ffffc900036ef60f R09: 0000000000000000
> R10: ffffc900036ef5e0 R11: fffff520006ddec2 R12: ffff888171777aa4
> R13: ffffffff873ae393 R14: 00000000000048d0 R15: ffff88810ccca580
> FS: 00007fe9e40d46c0(0000) GS:ffff8882a8cd9000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 00000000000048d0 CR3: 0000000113f11000 CR4: 0000000000352ef0
> Call Trace:
> <TASK>
> __mutex_unlock_slowpath+0x88/0x900 kernel/locking/mutex.c:989
> hwsim_cloned_frame_received_nl+0x363/0xcf0 drivers/net/wireless/virtual/mac80211_hwsim_main.c:6607
> genl_family_rcv_msg_doit+0x233/0x340 net/netlink/genetlink.c:1114
> genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline]
> genl_rcv_msg+0x614/0x7a0 net/netlink/genetlink.c:1209
> netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556
> genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218
> netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
> netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1345
> netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900
> sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800
> __sock_sendmsg net/socket.c:815 [inline]
> __sys_sendto+0x408/0x5a0 net/socket.c:2281
> __do_sys_sendto net/socket.c:2288 [inline]
> __se_sys_sendto net/socket.c:2284 [inline]
> __x64_sys_sendto+0xde/0x100 net/socket.c:2284
> do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
> do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> RIP: 0033:0x7fe9e315e98e
> Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
> RSP: 002b:00007fe9e40d2ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
> RAX: ffffffffffffffda RBX: 00007fe9e40d46c0 RCX: 00007fe9e315e98e
> RDX: 0000000000000034 RSI: 00007fe9e40d2fe0 RDI: 0000000000000003
> RBP: 0000000000000000 R08: 00007fe9e40d2f24 R09: 000000000000000c
> R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
> R13: 0000000000000000 R14: 00007fe9e40d2fe0 R15: 0000000000000000
> </TASK>
> Modules linked in:
> CR2: 00000000000048d0
> ---[ end trace 0000000000000000 ]---
> RIP: 0010:lock_release+0x85/0x3c0 kernel/locking/lockdep.c:5923
> Code: 84 26 02 00 00 65 8b 05 71 68 f1 11 85 c0 0f 85 17 02 00 00 65 4c 8b 3d b1 23 f1 11 41 83 bf a4 0b 00 00 00 0f 85 01 02 00 00 <49> 81 3e e0 24 56 94 0f 84 f4 01 00 00 9c 5b fa 48 c7 c7 60 f2 48
> RSP: 0018:ffffc900036ef418 EFLAGS: 00010246
> RAX: 0000000000000000 RBX: 0000000000004870 RCX: 8000000000000001
> RDX: 0000000000000000 RSI: ffffffff8c6d9460 RDI: ffffffff8c6d9420
> RBP: ffffc900036ef570 R08: ffffc900036ef60f R09: 0000000000000000
> R10: ffffc900036ef5e0 R11: fffff520006ddec2 R12: ffff888171777aa4
> R13: ffffffff873ae393 R14: 00000000000048d0 R15: ffff88810ccca580
> FS: 00007fe9e40d46c0(0000) GS:ffff8882a8cd9000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 00000000000048d0 CR3: 0000000113f11000 CR4: 0000000000352ef0
> ----------------
> Code disassembly (best guess):
> 0: 84 26 test %ah,(%rsi)
> 2: 02 00 add (%rax),%al
> 4: 00 65 8b add %ah,-0x75(%rbp)
> 7: 05 71 68 f1 11 add $0x11f16871,%eax
> c: 85 c0 test %eax,%eax
> e: 0f 85 17 02 00 00 jne 0x22b
> 14: 65 4c 8b 3d b1 23 f1 mov %gs:0x11f123b1(%rip),%r15 # 0x11f123cd
> 1b: 11
> 1c: 41 83 bf a4 0b 00 00 cmpl $0x0,0xba4(%r15)
> 23: 00
> 24: 0f 85 01 02 00 00 jne 0x22b
> * 2a: 49 81 3e e0 24 56 94 cmpq $0xffffffff945624e0,(%r14) <-- trapping instruction
> 31: 0f 84 f4 01 00 00 je 0x22b
> 37: 9c pushf
> 38: 5b pop %rbx
> 39: fa cli
> 3a: 48 rex.W
> 3b: c7 .byte 0xc7
> 3c: c7 (bad)
> 3d: 60 (bad)
> 3e: f2 repnz
> 3f: 48 rex.W
>
>
> ***
>
> If these findings have caused you to resend the series or submit a
> separate fix, please add the following tag to your commit message:
> Tested-by: syzbot@syzkaller.appspotmail.com
>
> ---
> This report is generated by a bot. It may contain errors.
> syzbot ci engineers can be reached at syzkaller@googlegroups.com.
>
> To test a fix for this bug, please reply with `#syz test`
> (on a separate line) and attach the patch to the email.
>
> Notes:
> - The patch will be applied on top of the tested series (as an
> incremental fix).
> - To test a new version of the whole series, please send it directly
> to syzbot@lists.linux.dev.
> - Arguments like custom git repos and branches are not supported.
>
> The email will later be sent to:
> [johannes.berg@intel.com johannes@sipsolutions.net linux-wireless@vger.kernel.org syzbot@syzkaller.appspotmail.com]
>
> If the report looks fine to you, reply with:
> #syz upstream
>
> If the report is a false positive, reply with
> #syz invalid
>
> --
> You received this message because you are subscribed to the Google Groups "syzkaller-upstream-moderation" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-upstream-moderation+unsubscribe@googlegroups.com.
> To view this discussion visit https://groups.google.com/d/msgid/syzkaller-upstream-moderation/6a9d06ee.a5e650b3.26d8a.0015.GAE%40google.com.
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2026-09-06 6:52 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-09-06 6:23 [moderation/CI] Re: wifi: mac80211_hwsim: don't hand frames to mac80211 while stopping syzbot ci
2026-09-06 6:52 ` Aleksandr Nogikh
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.