syzbot


WARNING in hci_send_acl

Status: auto-obsoleted due to no activity on 2023/06/27 21:08
Subsystems: bluetooth
[Documentation on labels]
Reported-by: syzbot+90c0638c7b912d27bfe7@syzkaller.appspotmail.com
First crash: 421d, last: 421d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [bluetooth?] WARNING in hci_send_acl 0 (1) 2023/03/03 21:16
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in hci_send_acl (2) bluetooth 1 168d 164d 0/26 auto-obsoleted due to no activity on 2024/02/16 03:24

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 22417 at kernel/workqueue.c:1438 __queue_work+0x11e0/0x1484 kernel/workqueue.c:1438
Modules linked in:
CPU: 1 PID: 22417 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller-18300-g2ebd1fbb946d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __queue_work+0x11e0/0x1484 kernel/workqueue.c:1438
lr : __queue_work+0x11e0/0x1484 kernel/workqueue.c:1438
sp : ffff80002bf37250
x29: ffff80002bf37290 x28: 0000000000000008 x27: 0000000000002000
x26: ffff0000ce923800 x25: dfff800000000000 x24: ffff0000ce9239c0
x23: 0000000000000000 x22: ffff00012c509b48 x21: 1fffe000258a1369
x20: 00000000000b0012 x19: ffff00012df8cd10 x18: ffff80002bf372e0
x17: ffff800015b8d000 x16: ffff80000804d18c x15: 0000000000000000
x14: 1ffff00002b720af x13: dfff800000000000 x12: 0000000000000001
x11: ff80800008220790 x10: 0000000000000000 x9 : ffff800008220790
x8 : ffff00012c509b40 x7 : ffff8000105bcce8 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80000821f4ec
x2 : ffff00012df8cd10 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __queue_work+0x11e0/0x1484 kernel/workqueue.c:1438
 queue_work_on+0x9c/0x128 kernel/workqueue.c:1545
 queue_work include/linux/workqueue.h:503 [inline]
 hci_send_acl+0x86c/0xb54 net/bluetooth/hci_core.c:3183
 l2cap_do_send+0x238/0x350
 l2cap_chan_send+0x36c/0x2044
 l2cap_sock_sendmsg+0x184/0x2a8 net/bluetooth/l2cap_sock.c:1172
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg net/socket.c:734 [inline]
 ____sys_sendmsg+0x558/0x844 net/socket.c:2479
 ___sys_sendmsg net/socket.c:2533 [inline]
 __sys_sendmmsg+0x318/0x7d8 net/socket.c:2619
 __do_sys_sendmmsg net/socket.c:2648 [inline]
 __se_sys_sendmmsg net/socket.c:2645 [inline]
 __arm64_sys_sendmmsg+0xa0/0xbc net/socket.c:2645
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
irq event stamp: 524
hardirqs last  enabled at (523): [<ffff80001243d19c>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (523): [<ffff80001243d19c>] _raw_spin_unlock_irqrestore+0x44/0xa4 kernel/locking/spinlock.c:194
hardirqs last disabled at (524): [<ffff80000821f4d8>] queue_work_on+0x50/0x128 kernel/workqueue.c:1542
softirqs last  enabled at (514): [<ffff80001058d02c>] spin_unlock_bh include/linux/spinlock.h:395 [inline]
softirqs last  enabled at (514): [<ffff80001058d02c>] release_sock+0x178/0x1cc net/core/sock.c:3497
softirqs last disabled at (512): [<ffff80001058cef0>] spin_lock_bh include/linux/spinlock.h:355 [inline]
softirqs last disabled at (512): [<ffff80001058cef0>] release_sock+0x3c/0x1cc net/core/sock.c:3484
---[ end trace 0000000000000000 ]---

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/02/27 21:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2ebd1fbb946d e792ae78 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hci_send_acl
* Struck through repros no longer work on HEAD.