syzbot


WARNING in wdev_lock

Status: upstream: reported C repro on 2024/09/04 12:01
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+6da468643e351bf0000b@syzkaller.appspotmail.com
First crash: 36d, last: 2h50m
Bug presence (2)
Date Name Commit Repro Result
2024/09/04 linux-5.15.y (ToT) 14e468424d3e C [report] WARNING in wdev_lock
2024/09/04 upstream (ToT) c763c4339688 C Didn't crash
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in wdev_lock origin:lts-only C 1034 11d 41d 0/3 upstream: reported C repro on 2024/08/30 01:59
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2024/09/21 18:33 2h01m fix candidate upstream OK (0) job log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3562 at net/wireless/core.h:220 wdev_lock+0x96/0xc0
Modules linked in:
CPU: 1 PID: 3562 Comm: syz-executor155 Not tainted 5.15.166-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:wdev_lock+0x96/0xc0 net/wireless/core.h:220
Code: bd d2 f7 85 ed 74 1e e8 b8 b9 d2 f7 eb 05 e8 b1 b9 d2 f7 48 83 c3 48 48 89 df 31 f6 5b 41 5e 5d e9 8f 09 8f 00 e8 9a b9 d2 f7 <0f> 0b eb e5 48 c7 c1 c4 8e e9 8d 80 e1 07 80 c1 03 38 c1 0f 8c 7b
RSP: 0018:ffffc90002f76ee0 EFLAGS: 00010293
RAX: ffffffff89ada066 RBX: ffff8880228f8c90 RCX: ffff88807ecc5940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff89ada03f R09: ffffed1003e7e80d
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802245c780
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88801f3f4014
FS:  00005555909d8380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020034000 CR3: 0000000078996000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nl80211_send_iface+0x763/0xe10 net/wireless/nl80211.c:3631
 nl80211_dump_interface+0x490/0x6a0 net/wireless/nl80211.c:3735
 netlink_dump+0x5a4/0xca0 net/netlink/af_netlink.c:2279
 __netlink_dump_start+0x50f/0x6d0 net/netlink/af_netlink.c:2382
 genl_family_rcv_msg_dumpit net/netlink/genetlink.c:689 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:772 [inline]
 genl_rcv_msg+0xd89/0x14a0 net/netlink/genetlink.c:792
 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2503
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803
 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]
 netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1352
 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1920
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2431
 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2485
 __sys_sendmsg net/socket.c:2514 [inline]
 __do_sys_sendmsg net/socket.c:2523 [inline]
 __se_sys_sendmsg+0x19a/0x260 net/socket.c:2521
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f81e88b7329
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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:00007ffd12ada998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ffd12adab68 RCX: 00007f81e88b7329
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007f81e892a610 R08: 0000000000000000 R09: 00007ffd12adab68
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd12adab58 R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (1617):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/04 18:14 linux-5.15.y 14e468424d3e 9d47f20a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in wdev_lock
2024/09/04 17:28 linux-5.15.y 14e468424d3e 9d47f20a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in wdev_lock
2024/10/09 07:06 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/09 03:36 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/09 02:11 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/09 00:43 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/08 21:25 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/08 15:46 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/08 15:32 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/08 00:52 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/07 06:22 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/06 02:54 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/05 13:33 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/05 05:30 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/04 23:40 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/04 23:40 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/04 22:37 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/04 19:11 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/04 14:42 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/04 14:06 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/04 12:58 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/10/04 10:36 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in wdev_lock
2024/09/21 08:55 linux-5.15.y 3a5928702e71 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in wdev_lock
2024/09/04 12:01 linux-5.15.y 14e468424d3e 9d47f20a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in wdev_lock
2024/10/10 12:05 linux-5.15.y 3a5928702e71 0278d004 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/09 23:27 linux-5.15.y 3a5928702e71 56fb2cb7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/09 11:48 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/09 11:44 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/08 23:40 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/08 19:18 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/08 13:40 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/07 23:26 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/07 22:44 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/07 20:24 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/07 18:16 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/07 14:21 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/07 06:26 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/07 04:17 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/06 07:02 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/06 04:49 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/06 04:48 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/06 01:47 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/05 17:27 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/05 12:01 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/05 08:08 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/05 04:24 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/04 16:09 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/04 08:20 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
2024/10/04 08:14 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in wdev_lock
* Struck through repros no longer work on HEAD.