WARNING in bpf_test

WARNING in bpf_test_run
Status: upstream: reported C repro on 2021/04/01 11:29
Reported-by: syzbot+774c590240616eaa3423@syzkaller.appspotmail.com
First crash: 25d, last: 1d02h

Cause bisection: introduced by (bisect log) :
commit 997acaf6b4b59c6a9c259740312a69ea549cc684
Author: Mark Rutland <mark.rutland@arm.com>
Date: Mon Jan 11 15:37:07 2021 +0000

lockdep: report broken irq restoration

Crash: WARNING in kvm_wait (log)
Repro: C syz .config

Sample crash report:

------------[ cut here ]------------
WARNING: CPU: 1 PID: 8482 at include/linux/bpf-cgroup.h:193 bpf_cgroup_storage_set include/linux/bpf-cgroup.h:193 [inline]
WARNING: CPU: 1 PID: 8482 at include/linux/bpf-cgroup.h:193 bpf_test_run+0x65e/0xaa0 net/bpf/test_run.c:110
Modules linked in:
CPU: 1 PID: 8482 Comm: syz-executor402 Not tainted 5.12.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bpf_cgroup_storage_set include/linux/bpf-cgroup.h:193 [inline]
RIP: 0010:bpf_test_run+0x65e/0xaa0 net/bpf/test_run.c:110
Code: e9 29 fe ff ff e8 92 4a 3a fa 41 83 c6 01 bf 08 00 00 00 44 89 f6 e8 31 52 3a fa 41 83 fe 08 0f 85 74 fc ff ff e8 72 4a 3a fa <0f> 0b bd f0 ff ff ff e9 5c fd ff ff e8 61 4a 3a fa 83 c5 01 bf 08
RSP: 0018:ffffc9000179faf0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffc90000f58000 RCX: 0000000000000000
RDX: ffff8880121d0000 RSI: ffffffff8739abee RDI: 0000000000000003
RBP: 0000000000000007 R08: 0000000000000008 R09: 0000000000000001
R10: ffffffff8739abdf R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88801d8cb880 R14: 0000000000000008 R15: 0000000000000000
FS:  00007ffbb771e700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 0000000014b22000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 bpf_prog_test_run_skb+0xabc/0x1c70 net/bpf/test_run.c:656
 bpf_prog_test_run kernel/bpf/syscall.c:3138 [inline]
 __do_sys_bpf+0x218b/0x4f40 kernel/bpf/syscall.c:4417
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x44da09
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffbb771e2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00000000004cb420 RCX: 000000000044da09
RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000049b4f4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 656c6c616b7a7973
R13: 000000000049b2b0 R14: f9abde7200f522cd R15: 00000000004cb428

Crashes (22):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-bpf-next-kasan-gce	2021/04/22 02:04	bpf-next	d044d9fc	2bc8999a	.config	log	report	syz	C		WARNING in bpf_test_run
ci-upstream-bpf-next-kasan-gce	2021/03/28 12:55	bpf-next	36e79851	a8529b82	.config	log	report	syz	C		WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/20 11:27	net-next	e7ad33fa	c0ced557	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/19 23:19	net-next	e7ad33fa	4285c989	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/19 10:29	net-next	e7ad33fa	50f523d7	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/16 19:18	net-next	e7ad33fa	7e2b734b	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/16 13:21	net-next	c329e5af	7e2b734b	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/16 01:46	net-next	c329e5af	c59079a6	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/16 00:10	net-next	c329e5af	c59079a6	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-bpf-next-kasan-gce	2021/04/15 09:21	bpf-next	069904ce	fcdb12ba	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-bpf-next-kasan-gce	2021/04/14 11:10	bpf-next	463c2149	3134b37f	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/14 09:13	net-next	5871d0c6	3134b37f	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/14 08:45	net-next	5871d0c6	a184b83e	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/11 02:31	net-next	cbd31253	bfeda1b1	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/10 08:19	net-next	626b598a	bfeda1b1	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/10 02:11	net-next	626b598a	6a81331a	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/07 22:26	net-next	0b35e0de	6a81331a	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/04 04:16	net-next	428e68e1	6a81331a	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/04 04:13	net-next	428e68e1	6a81331a	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/03 15:10	net-next	82506665	6a81331a	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-net-kasan-gce	2021/04/03 02:23	net-next	f3f409a9	6a81331a	.config	log	report			info	WARNING in bpf_test_run
ci-upstream-bpf-next-kasan-gce	2021/03/28 11:19	bpf-next	36e79851	a8529b82	.config	log	report			info	WARNING in bpf_test_run