syzbot


WARNING in cfg802154_switch_netns (3)

Status: upstream: reported C repro on 2024/12/04 09:32
Subsystems: wpan
[Documentation on labels]
Reported-by: syzbot+bd5829ba3619f08e2341@syzkaller.appspotmail.com
First crash: 117d, last: 27d
Cause bisection: failed (error log, bisect log)
  
Discussions (3)
Title Replies (including bot) Last reply
[syzbot] Monthly wpan report (Mar 2025) 0 (1) 2025/03/11 14:05
[syzbot] [wpan?] WARNING in cfg802154_switch_netns (3) 0 (2) 2025/01/11 07:37
[syzbot] Monthly wpan report (Jan 2025) 0 (1) 2025/01/07 14:54
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in cfg802154_switch_netns wpan 12 385d 423d 0/28 auto-obsoleted due to no activity on 2024/05/17 00:34
linux-5.15 WARNING in cfg802154_switch_netns origin:upstream C 4 31d 45d 0/3 upstream: reported C repro on 2025/02/10 10:37
upstream WARNING in cfg802154_switch_netns (2) wpan 1 230d 226d 0/28 auto-obsoleted due to no activity on 2024/11/17 17:31
Last patch testing requests (3)
Created Duration User Patch Repo Result
2025/03/14 22:37 17m retest repro upstream report log
2025/02/07 21:42 18m retest repro net-next report log
2024/12/17 02:25 18m retest repro upstream report log

Sample crash report:
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>

Crashes (11):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/01/11 07:37 net-next 7b24f164cf00 6dbc6a9b .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in cfg802154_switch_netns
2024/11/30 09:21 upstream 2ba9f676d0a2 68914665 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in cfg802154_switch_netns
2024/12/03 02:10 upstream cdd30ebb1b9f bb326ffb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in cfg802154_switch_netns
2025/02/28 22:12 upstream 76544811c850 1e7a43e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in cfg802154_switch_netns
2025/02/19 05:57 upstream 6537cfb395f3 9a14138f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in cfg802154_switch_netns
2025/01/12 02:03 upstream b62cef9a5c67 6dbc6a9b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in cfg802154_switch_netns
2025/01/21 06:46 net d640627663bf 6e87cfa2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in cfg802154_switch_netns
2024/12/31 16:08 net 4f619d518db9 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in cfg802154_switch_netns
2025/02/22 03:57 net-next e6a532185daa d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in cfg802154_switch_netns
2025/01/22 04:27 net-next b1754a69e7be da72ac06 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in cfg802154_switch_netns
2025/01/11 05:09 net-next 7b24f164cf00 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in cfg802154_switch_netns
* Struck through repros no longer work on HEAD.