general protection fault in lock_sock

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
android-49	general protection fault in lock_sock_nested				1	2117d	2117d	0/3	auto-closed as invalid on 2019/02/22 12:39
upstream	general protection fault in lock_sock_nested bluetooth	C	done		50	4d22h	79d	0/25	upstream: reported C repro on 2023/09/11 07:52
upstream	BUG: unable to handle kernel paging request in lock_sock_nested bluetooth				43	770d	1211d	0/25	auto-closed as invalid on 2022/02/16 22:16
linux-4.19	KASAN: wild-memory-access Write in lock_sock_nested				2	1035d	1104d	0/1	auto-closed as invalid on 2021/05/28 14:35
linux-4.19	KASAN: use-after-free Read in lock_sock_nested	C			471	273d	1586d	0/1	upstream: reported C repro on 2019/07/26 21:27
linux-4.14	KASAN: use-after-free Read in lock_sock_nested	C		inconclusive	331	313d	1680d	0/1	upstream: reported C repro on 2019/04/24 06:28
upstream	KASAN: use-after-free Read in lock_sock_nested hams	C	inconclusive	done	1856	183d	1792d	0/25	auto-obsoleted due to no activity on 2023/08/23 09:06
linux-4.14	BUG: unable to handle kernel paging request in lock_sock_nested				4	929d	1048d	0/1	auto-closed as invalid on 2021/09/11 11:51
upstream	KASAN: slab-out-of-bounds Read in lock_sock_nested bluetooth	syz	unreliable	done	23	765d	1205d	0/25	auto-obsoleted due to no activity on 2022/09/29 10:19
linux-4.19	KASAN: slab-out-of-bounds Read in lock_sock_nested				14	448d	1112d	0/1	auto-obsoleted due to no activity on 2023/01/05 15:59

kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 3622 Comm: kworker/0:2 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events l2cap_chan_timeout task: ffff8880a8e342c0 task.stack: ffff8880a8e48000 RIP: 0010:atomic_inc arch/x86/include/asm/atomic.h:92 [inline] RIP: 0010:__lock_acquire+0x21e/0x3f20 kernel/locking/lockdep.c:3382 RSP: 0018:ffff8880a8e4f9a8 EFLAGS: 00010086 RAX: dead4ead00000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 1ffff110096f4295 RSI: 0000000000000000 RDI: ffff88804b7a14a8 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: ffff8880a8e342c0 R12: ffff88804b7a14a0 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8bebbd40 FS: 0000000000000000(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c67eb122c8 CR3: 0000000052483000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:176 spin_lock_bh include/linux/spinlock.h:322 [inline] lock_sock_nested+0x39/0x100 net/core/sock.c:2788 l2cap_sock_teardown_cb+0x93/0x650 net/bluetooth/l2cap_sock.c:1341 l2cap_chan_del+0xaf/0x950 net/bluetooth/l2cap_core.c:599 l2cap_chan_close+0x103/0x870 net/bluetooth/l2cap_core.c:757 l2cap_chan_timeout+0x143/0x2a0 net/bluetooth/l2cap_core.c:430 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Code: 00 fc ff df 41 89 f6 4b 8d 7c f4 08 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 5e 2a 00 00 4b 8b 44 f4 08 48 85 c0 0f 84 31 ff ff ff <f0> ff 80 38 01 00 00 49 8d b3 80 08 00 00 48 ba 00 00 00 00 00 RIP: atomic_inc arch/x86/include/asm/atomic.h:92 [inline] RSP: ffff8880a8e4f9a8 RIP: __lock_acquire+0x21e/0x3f20 kernel/locking/lockdep.c:3382 RSP: ffff8880a8e4f9a8 ---[ end trace b6e24dfe011af0ef ]---

Crashes (4):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Manager	Title
2021/05/07 19:35	linux-4.14.y	7d7d1c0ab3eb	f6da8120	.config	console log	report	info	ci2-linux-4-14	general protection fault in lock_sock_nested
2021/01/30 09:49	linux-4.14.y	2d2791fce891	fc9fd31e	.config	console log	report	info	ci2-linux-4-14	general protection fault in lock_sock_nested
2021/01/03 03:43	linux-4.14.y	1752938529c6	79264ae3	.config	console log	report	info	ci2-linux-4-14
2020/10/01 19:04	linux-4.14.y	cbfa1702aaf6	4103fce0	.config	console log	report	info	ci2-linux-4-14

Crashes (4):

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