netdev - [syzbot] [wpan?] WARNING in cfg802154_switch

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Message-ID: <000000000000f4a1b7061f9421de@google.com>
Date: Tue, 13 Aug 2024 10:42:25 -0700
From: syzbot <syzbot+e0bd4e4815a910c0daa8@...kaller.appspotmail.com>
To: alex.aring@...il.com, davem@...emloft.net, edumazet@...gle.com, 
	kuba@...nel.org, linux-kernel@...r.kernel.org, linux-wpan@...r.kernel.org, 
	miquel.raynal@...tlin.com, netdev@...r.kernel.org, pabeni@...hat.com, 
	stefan@...enfreihafen.org, syzkaller-bugs@...glegroups.com
Subject: [syzbot] [wpan?] WARNING in cfg802154_switch_netns (2)

Hello,

syzbot found the following issue on:

HEAD commit:    ee9a43b7cfe2 Merge tag 'net-6.11-rc3' of git://git.kernel...
git tree:       net
console output: https://syzkaller.appspot.com/x/log.txt?x=13da25d3980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e8a2eef9745ade09
dashboard link: https://syzkaller.appspot.com/bug?extid=e0bd4e4815a910c0daa8
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/9227adf96f75/disk-ee9a43b7.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/c65c46b78c57/vmlinux-ee9a43b7.xz
kernel image: https://storage.googleapis.com/syzbot-assets/467d374f18b9/bzImage-ee9a43b7.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e0bd4e4815a910c0daa8@...kaller.appspotmail.com

RBP: 00007f2c78995090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f2c77d05f80 R15: 00007fff6de33538
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8054 at net/ieee802154/core.c:258 cfg802154_switch_netns+0x37f/0x390 net/ieee802154/core.c:258
Modules linked in:
CPU: 1 UID: 0 PID: 8054 Comm: syz.0.839 Not tainted 6.11.0-rc2-syzkaller-00111-gee9a43b7cfe2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:cfg802154_switch_netns+0x37f/0x390 net/ieee802154/core.c:258
Code: a3 2b f6 90 0f 0b 90 43 80 3c 3e 00 75 8d eb 93 e8 c6 a3 2b f6 e9 8b fe ff ff e8 bc a3 2b f6 e9 81 fe ff ff e8 b2 a3 2b f6 90 <0f> 0b 90 e9 73 fe ff ff 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90
RSP: 0018:ffffc9000337f408 EFLAGS: 00010293
RAX: ffffffff8b67d3ce RBX: 00000000fffffff4 RCX: ffff8880215f3c00
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: ffff88802324e198 R08: ffffffff8b67d23d R09: 1ffff11004649c3a
R10: dffffc0000000000 R11: ffffed1004649c3b R12: 0000000000000000
R13: 0000000000000000 R14: ffff88802324e078 R15: dffffc0000000000
FS:  00007f2c789956c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff818548d58 CR3: 000000007f648000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nl802154_wpan_phy_netns+0x13d/0x210 net/ieee802154/nl802154.c:1292
 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597
 ___sys_sendmsg net/socket.c:2651 [inline]
 __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2680
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2c77b779f9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2c78995038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2c77d05f80 RCX: 00007f2c77b779f9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 000000000000000e
RBP: 00007f2c78995090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f2c77d05f80 R15: 00007fff6de33538
 </TASK>


---
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