syzbot


WARNING in l2cap_chan_send

Status: upstream: reported on 2024/04/14 00:26
Subsystems: bluetooth
[Documentation on labels]
Reported-by: syzbot+b6919040d9958e2fc1ae@syzkaller.appspotmail.com
First crash: 225d, last: 12h53m
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [bluetooth?] WARNING in l2cap_chan_send 0 (1) 2024/04/14 00:26

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6016 at kernel/workqueue.c:2257 __queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Modules linked in:
CPU: 0 UID: 0 PID: 6016 Comm: kbnepd bnep0 Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:__queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 af 50 98 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 90 74 36 00 85 db 75 60 e8 47 72 36 00 90 <0f> 0b 90 e9 f9 f7 ff ff e8 39 72 36 00 90 0f 0b 90 e9 a8 f7 ff ff
RSP: 0018:ffffc90003f8f980 EFLAGS: 00010093
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81573100
RDX: ffff88802a178000 RSI: ffffffff81573109 RDI: 0000000000000005
RBP: ffff88802d360b10 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000008 R14: ffff8880271b7800 R15: ffff8880271b7800
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30013ff8 CR3: 0000000034a9c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 queue_work_on+0x11a/0x140 kernel/workqueue.c:2390
 l2cap_chan_send+0xb86/0x2a30 net/bluetooth/l2cap_core.c:2577
 l2cap_sock_sendmsg+0x228/0x300 net/bluetooth/l2cap_sock.c:1128
 sock_sendmsg_nosec net/socket.c:711 [inline]
 __sock_sendmsg net/socket.c:726 [inline]
 sock_sendmsg+0x3cb/0x470 net/socket.c:749
 bnep_tx_frame net/bluetooth/bnep/core.c:466 [inline]
 bnep_session+0x12fb/0x2d60 net/bluetooth/bnep/core.c:509
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (38):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/20 17:47 upstream bf9aa14fc523 4fca1650 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in l2cap_chan_send
2024/10/02 19:52 upstream e32cde8d2bd7 a4c7fd36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in l2cap_chan_send
2024/07/04 18:23 upstream 795c58e4c7fc dc6bbff0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in l2cap_chan_send
2024/05/13 07:29 upstream ba16c1cf11c9 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in l2cap_chan_send
2024/08/02 10:38 upstream c0ecd6388360 1e9c4cf3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in l2cap_chan_send
2024/08/02 08:00 upstream c0ecd6388360 1e9c4cf3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in l2cap_chan_send
2024/08/02 07:50 upstream c0ecd6388360 1e9c4cf3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in l2cap_chan_send
2024/07/08 08:00 upstream 256abd8e550c 7ca8bbea .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in l2cap_chan_send
2024/10/03 02:30 upstream f23aa4c0761a a4c7fd36 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in l2cap_chan_send
2024/09/10 05:43 upstream bc83b4d1f086 784df80e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in l2cap_chan_send
2024/09/04 14:39 upstream 88fac17500f4 9d47f20a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in l2cap_chan_send
2024/08/13 15:32 upstream d74da846046a 24d82c00 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in l2cap_chan_send
2024/07/18 04:03 upstream b1bc554e009e 0f902625 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in l2cap_chan_send
2024/09/28 10:09 net d505d3593b52 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in l2cap_chan_send
2024/09/28 04:18 net d505d3593b52 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in l2cap_chan_send
2024/09/23 22:51 net c8770db2d544 89298aad .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in l2cap_chan_send
2024/09/13 03:18 net 3e705251d998 73e8a465 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in l2cap_chan_send
2024/07/20 01:24 net d7e78951a8b8 b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in l2cap_chan_send
2024/07/01 08:32 net 134061163ee5 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in l2cap_chan_send
2024/06/07 06:07 net d30d0e49da71 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in l2cap_chan_send
2024/06/06 01:42 net f8f0de9d58d9 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in l2cap_chan_send
2024/05/31 19:35 net 13c7c941e729 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in l2cap_chan_send
2024/05/15 01:59 net aea27a92a41d fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in l2cap_chan_send
2024/05/09 05:57 net 02754103e1f7 20bf80e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in l2cap_chan_send
2024/04/10 00:20 net f99c5f563c17 56086b24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in l2cap_chan_send
2024/10/26 18:02 net-next 6d858708d465 65e8686b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in l2cap_chan_send
2024/09/20 03:49 net-next 9410645520e9 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in l2cap_chan_send
2024/07/19 09:39 net-next 51835949dda3 ee4e11c8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in l2cap_chan_send
2024/07/16 22:14 net-next 77ae5e5b0072 215bec2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in l2cap_chan_send
2024/07/16 22:04 net-next 77ae5e5b0072 215bec2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in l2cap_chan_send
2024/07/13 16:14 net-next 69cf87304dcb eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in l2cap_chan_send
2024/06/29 00:02 net-next 748e3bbf4721 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in l2cap_chan_send
2024/06/22 17:25 net-next 185d72112b95 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in l2cap_chan_send
2024/05/19 22:15 net-next 4b377b4868ef c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in l2cap_chan_send
2024/05/19 16:02 net-next 4b377b4868ef c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in l2cap_chan_send
2024/05/15 02:50 net-next 654de42f3fc6 fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in l2cap_chan_send
2024/05/06 07:19 net-next cdc74c9d06e7 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in l2cap_chan_send
2024/06/17 00:14 linux-next a957267fa7e9 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in l2cap_chan_send
* Struck through repros no longer work on HEAD.