[syzbot] [wpan?] WARNING in cfg802154_switch_netns (3)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 2ba9f676d0a2 Merge tag 'drm-next-2024-11-29' of https://gi..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=13b7b9e8580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7903df3280dd39ea
dashboard link: https://syzkaller.appspot.com/bug?extid=bd5829ba3619f08e2341
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17b7b9e8580000

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-2ba9f676.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/49a0011f6379/vmlinux-2ba9f676.xz
kernel image: https://storage.googleapis.com/syzbot-assets/ac57640f6a59/bzImage-2ba9f676.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+bd5829...@syzkaller.appspotmail.com

R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f2cedb45fa0 R15: 00007ffcd711e1d8
</TASK>
------------[ cut here ]------------
WARNING: CPU: 0 PID: 20692 at net/ieee802154/core.c:258 cfg802154_switch_netns+0x3c7/0x3d0 net/ieee802154/core.c:258
Modules linked in:
CPU: 0 UID: 0 PID: 20692 Comm: syz.3.7229 Not tainted 6.12.0-syzkaller-11677-g2ba9f676d0a2 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:cfg802154_switch_netns+0x3c7/0x3d0 net/ieee802154/core.c:258
Code: e1 07 38 c1 7c 92 48 89 ef e8 c5 74 87 f6 eb 88 e8 7e 8d 1c f6 e9 66 fe ff ff e8 74 8d 1c f6 e9 5c fe ff ff e8 6a 8d 1c f6 90 <0f> 0b 90 e9 4e fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000dcff3c8 EFLAGS: 00010293
RAX: ffffffff8b795426 RBX: 00000000fffffff4 RCX: ffff888000342440
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: ffff88801f128198 R08: ffffffff8b795270 R09: 1ffffffff285fb12
R10: dffffc0000000000 R11: fffffbfff285fb13 R12: ffff888032cb4db0
R13: 0000000000000000 R14: ffff88801f128078 R15: dffffc0000000000
FS: 00007f2cee7af6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000120f6000 CR4: 0000000000352ef0
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:2542
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1347
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:726
____sys_sendmsg+0x52a/0x7e0 net/socket.c:2583
___sys_sendmsg net/socket.c:2637 [inline]
__sys_sendmsg+0x269/0x350 net/socket.c:2669
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: 0033:0x7f2ced980849
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:00007f2cee7af058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2cedb45fa0 RCX: 00007f2ced980849
RDX: 0000000000000000 RSI: 0000000020000f40 RDI: 0000000000000004
RBP: 00007f2cee7af0a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f2cedb45fa0 R15: 00007ffcd711e1d8
</TASK>


---
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 report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title

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.

If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)

If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report

If you want to undo deduplication, reply with:
#syz undup

[syzbot]

syzbot has found a reproducer for the following issue on:

HEAD commit: 7b24f164cf00 Merge tag 'ipsec-next-2025-01-09' of git://gi..
git tree: net-next
console+strace: https://syzkaller.appspot.com/x/log.txt?x=168791df980000
kernel config: https://syzkaller.appspot.com/x/.config?x=28dc37e0ec0dfc41

dashboard link: https://syzkaller.appspot.com/bug?extid=bd5829ba3619f08e2341
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

syz repro: https://syzkaller.appspot.com/x/repro.syz?x=122fef0f980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16c9ccb0580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/73892b055b77/disk-7b24f164.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/d6a3f606bee9/vmlinux-7b24f164.xz
kernel image: https://storage.googleapis.com/syzbot-assets/4d3108a02573/bzImage-7b24f164.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+bd5829...@syzkaller.appspotmail.com

RSP: 002b:00007ffe8eee9248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ffe8eee9260 RCX: 00007f255ac67da9
RDX: 000000000004c084 RSI: 0000000020000100 RDI: 0000000000000006
RBP: 0000000000000001 R08: 00007ffe8eee8fe7 R09: 000055556b883610
R10: 0000000000000001 R11: 0000000000000246 R12: 00007f255acafe7c
R13: 00007f255acaa10f R14: 0000000000000001 R15: 0000000000000001

</TASK>
------------[ cut here ]------------

WARNING: CPU: 0 PID: 5837 at net/ieee802154/core.c:258 cfg802154_switch_netns+0x3c7/0x3d0 net/ieee802154/core.c:258
Modules linked in:
CPU: 0 UID: 0 PID: 5837 Comm: syz-executor125 Not tainted 6.13.0-rc6-syzkaller-00918-g7b24f164cf00 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024

RIP: 0010:cfg802154_switch_netns+0x3c7/0x3d0 net/ieee802154/core.c:258

Code: e1 07 38 c1 7c 92 48 89 ef e8 35 dd 86 f6 eb 88 e8 9e 79 20 f6 e9 66 fe ff ff e8 94 79 20 f6 e9 5c fe ff ff e8 8a 79 20 f6 90 <0f> 0b 90 e9 4e fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000406f3c8 EFLAGS: 00010293
RAX: ffffffff8b7f0a96 RBX: 00000000fffffff4 RCX: ffff88802e890000

RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000

RBP: ffff88814479e198 R08: ffffffff8b7f08e0 R09: 1ffffffff2858111
R10: dffffc0000000000 R11: fffffbfff2858112 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88814479e078 R15: dffffc0000000000
FS: 000055556b882380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000

CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033

CR2: 00007f255acbe5e7 CR3: 000000007e970000 CR4: 00000000003526f0

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:2543
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892

sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:726

____sys_sendmsg+0x52a/0x7e0 net/socket.c:2594
___sys_sendmsg net/socket.c:2648 [inline]
__sys_sendmsg+0x269/0x350 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: 0033:0x7f255ac67da9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe8eee9248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ffe8eee9260 RCX: 00007f255ac67da9
RDX: 000000000004c084 RSI: 0000000020000100 RDI: 0000000000000006
RBP: 0000000000000001 R08: 00007ffe8eee8fe7 R09: 000055556b883610
R10: 0000000000000001 R11: 0000000000000246 R12: 00007f255acafe7c
R13: 00007f255acaa10f R14: 0000000000000001 R15: 0000000000000001
</TASK>


---