general protection fault in hci_event

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	general protection fault in hci_event_packet bluetooth	C	done		25	1518d	1571d	19/28	fixed on 2021/03/10 01:48

upstream

general protection fault in hci_event_packet bluetooth

done

1518d

1571d

19/28

fixed on 2021/03/10 01:48


Created	Duration	User	Repo	Result
2021/01/18 05:41	2h58m	bisect fix	linux-4.19.y	OK (1) job log
2020/12/19 05:07	27m	bisect fix	linux-4.19.y	OK (0) job log log
2020/11/19 02:10	23m	bisect fix	linux-4.19.y	OK (0) job log log

audit: type=1400 audit(1602645511.683:8): avc: denied { execmem } for pid=6488 comm="syz-executor714" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 IPVS: ftp: loaded support on port[0] = 21 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 CPU: 1 PID: 6496 Comm: kworker/u5:2 Not tainted 4.19.150-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: hci0 hci_rx_work RIP: 0010:hci_phy_link_complete_evt net/bluetooth/hci_event.c:4707 [inline] RIP: 0010:hci_event_packet+0x1f17/0x81b9 net/bluetooth/hci_event.c:5937 Code: 48 c1 ea 03 80 3c 02 00 0f 85 65 57 00 00 48 8b 9d 28 08 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 56 57 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffff8880891bfb00 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff86e93e8c RDX: 0000000000000002 RSI: ffffffff86e93e99 RDI: 0000000000000010 RBP: ffff8880880d6d00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000003 R12: dffffc0000000000 R13: ffff8880a7495800 R14: ffff888084f6d100 R15: ffff888084f6e040 FS: 0000000000000000(0000) GS:ffff8880ae300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055afbc9e4270 CR3: 000000009eabb000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hci_rx_work+0x4c5/0xb50 net/bluetooth/hci_core.c:4359 process_one_work+0x796/0x14e0 kernel/workqueue.c:2155 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Modules linked in: ---[ end trace 783d7b1997b62ad0 ]--- RIP: 0010:hci_phy_link_complete_evt net/bluetooth/hci_event.c:4707 [inline] RIP: 0010:hci_event_packet+0x1f17/0x81b9 net/bluetooth/hci_event.c:5937 Code: 48 c1 ea 03 80 3c 02 00 0f 85 65 57 00 00 48 8b 9d 28 08 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 56 57 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffff8880891bfb00 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff86e93e8c RDX: 0000000000000002 RSI: ffffffff86e93e99 RDI: 0000000000000010 RBP: ffff8880880d6d00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000003 R12: dffffc0000000000 R13: ffff8880a7495800 R14: ffff888084f6d100 R15: ffff888084f6e040 FS: 0000000000000000(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 000000009fc58000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Manager
2020/10/14 03:20	linux-4.19.y	a1b977b49b66	fc7735a2	.config	console log	report	syz	C		ci2-linux-4-19
2020/10/20 02:10	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/14 03:04	linux-4.19.y	a1b977b49b66	fc7735a2	.config	console log	report			info	ci2-linux-4-19

Crashes (3):

Assets (help?)