kernel BUG in vhost_get_vq

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
android-5-10	kernel BUG in vhost_get_vq_desc	C	error	done	19	785d	829d	2/2	fixed on 2022/05/13 02:56
linux-4.19	kernel BUG in vhost_get_vq_desc				2	554d	623d	0/1	auto-obsoleted due to no activity on 2023/02/28 01:46
upstream	kernel BUG in vhost_get_vq_desc kvm net virt	C	inconclusive		19	801d	814d	22/26	fixed on 2023/02/24 13:50
linux-4.14	kernel BUG in vhost_get_vq_desc	C			1	442d	804d	0/1	upstream: reported C repro on 2022/02/22 17:48
upstream	kernel BUG at drivers/vhost/vhost.c:LINE! (2) kvm net virt	C			139	2191d	2222d	5/26	fixed on 2018/05/08 18:30
upstream	kernel BUG at drivers/vhost/vhost.c:LINE! kvm net virt	C			152	2222d	2241d	5/26	fixed on 2018/04/06 16:37

Created	Duration	User	Patch	Repo	Result
2023/04/21 00:25	21m	retest repro		android12-5.4	OK log

Created

Duration

User

Patch

Repo

Result

2023/04/21 00:25

21m

retest repro

android12-5.4

OK log

------------[ cut here ]------------ kernel BUG at drivers/vhost/vhost.c:2356! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 623 Comm: vhost-622 Not tainted 5.4.161-syzkaller-00007-g2426795494c7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:vhost_get_vq_desc+0x2045/0x2050 drivers/vhost/vhost.c:2356 Code: 0f 8c f6 fd ff ff 48 8b bc 24 48 01 00 00 e8 62 c4 59 fe 48 8b 94 24 48 01 00 00 e9 dc fd ff ff e8 90 4b 06 fe e8 ab a7 2c fe <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 54 53 48 RSP: 0018:ffff8881eca7fbf8 EFLAGS: 00010293 RAX: ffffffff8333ffb5 RBX: 0000000000000000 RCX: ffff8881ed16ee40 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8333f4b7 R09: 0000000000000001 R10: ffffed103d94ff99 R11: 0000000000000000 R12: ffff8881eca7fe00 R13: dffffc0000000000 R14: 1ffff1103d94ff98 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000002 CR3: 00000001ec8a7000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vhost_vsock_handle_tx_kick+0x1fb/0xc10 drivers/vhost/vsock.c:458 vhost_worker+0x299/0x430 drivers/vhost/vhost.c:362 kthread+0x30f/0x330 kernel/kthread.c:288 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 5f1d8eb44728a400 ]--- RIP: 0010:vhost_get_vq_desc+0x2045/0x2050 drivers/vhost/vhost.c:2356 Code: 0f 8c f6 fd ff ff 48 8b bc 24 48 01 00 00 e8 62 c4 59 fe 48 8b 94 24 48 01 00 00 e9 dc fd ff ff e8 90 4b 06 fe e8 ab a7 2c fe <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 54 53 48 RSP: 0018:ffff8881eca7fbf8 EFLAGS: 00010293 RAX: ffffffff8333ffb5 RBX: 0000000000000000 RCX: ffff8881ed16ee40 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8333f4b7 R09: 0000000000000001 R10: ffffed103d94ff99 R11: 0000000000000000 R12: ffff8881eca7fe00 R13: dffffc0000000000 R14: 1ffff1103d94ff98 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000002 CR3: 00000001ec8a7000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (4):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Manager	Title
2022/02/17 22:44	android12-5.4	2426795494c7	3cd800e4	.config	console log	report	syz	C		ci2-android-5-4-kasan	kernel BUG in vhost_get_vq_desc
2022/03/30 04:45	android12-5.4	ed043095f483	6bdac766	.config	console log	report			info	ci2-android-5-4-kasan	kernel BUG in vhost_get_vq_desc
2022/03/15 23:22	android12-5.4	be3489a5dd5d	9e8eaa75	.config	console log	report			info	ci2-android-5-4-kasan	kernel BUG in vhost_get_vq_desc
2022/03/13 23:08	android12-5.4	db2bb2db5424	9e8eaa75	.config	console log	report			info	ci2-android-5-4-kasan	kernel BUG in vhost_get_vq_desc

Crashes (4):

Assets (help?)