WARNING in bpf_check (3)

WARNING in bpf_check (3)
Status: upstream: reported C repro on 2020/03/12 21:37
Reported-by: syzbot+245129539c27fecf099a@syzkaller.appspotmail.com
First crash: 557d, last: 23h09m

Cause bisection: introduced by (bisect log) :
commit 94dacdbd5d2dfa2cffd308f128d78c99f855f5be
Author: Thomas Gleixner <tglx@linutronix.de>
Date: Mon Feb 24 14:01:32 2020 +0000

bpf: Tighten the requirements for preallocated hash maps

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

similar bugs (2):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in bpf_check (2)	C			9	1040d	1040d	12/22	fixed on 2018/12/07 08:24
upstream	WARNING in bpf_check				3	1159d	1166d	9/22	fixed on 2018/08/07 13:43

Sample crash report:

------------[ cut here ]------------
trace type BPF program uses run-time allocation
WARNING: CPU: 1 PID: 8462 at kernel/bpf/verifier.c:11128 check_map_prog_compatibility kernel/bpf/verifier.c:11128 [inline]
WARNING: CPU: 1 PID: 8462 at kernel/bpf/verifier.c:11128 resolve_pseudo_ldimm64 kernel/bpf/verifier.c:11291 [inline]
WARNING: CPU: 1 PID: 8462 at kernel/bpf/verifier.c:11128 bpf_check+0xc498/0xcac0 kernel/bpf/verifier.c:13422
Modules linked in:
CPU: 0 PID: 8462 Comm: syz-executor972 Not tainted 5.14.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:check_map_prog_compatibility kernel/bpf/verifier.c:11128 [inline]
RIP: 0010:resolve_pseudo_ldimm64 kernel/bpf/verifier.c:11291 [inline]
RIP: 0010:bpf_check+0xc498/0xcac0 kernel/bpf/verifier.c:13422
Code: 69 32 00 e9 68 89 ff ff e8 d5 69 32 00 e9 64 91 ff ff e8 9b a7 ec ff 48 c7 c7 80 e8 92 89 c6 05 a6 b2 cf 0b 01 e8 e0 13 60 07 <0f> 0b e9 1a b3 ff ff e8 7c 69 32 00 e9 4a b3 ff ff e8 72 69 32 00
RSP: 0018:ffffc9000cfc78e8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000011 RCX: 0000000000000000
RDX: ffff88803b6c2040 RSI: ffffffff815cba05 RDI: fffff520019f8f0f
RBP: ffffc9000cfc7b50 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815c580e R11: 0000000000000000 R12: ffff88802a245000
R13: dffffc0000000000 R14: ffffc90001090058 R15: ffff88803da48000
FS:  0000000000b68300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffeec741020 CR3: 000000002ab39000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 bpf_prog_load+0xe57/0x21e0 kernel/bpf/syscall.c:2274
 __sys_bpf+0x64f/0x4760 kernel/bpf/syscall.c:4469
 __do_sys_bpf kernel/bpf/syscall.c:4573 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4571 [inline]
 __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4571
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x43f199
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffeec64ba48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f199
RDX: 0000000000000078 RSI: 0000000020000240 RDI: 0000000000000005
RBP: 0000000000403180 R08: 0000000000000000 R09: 0000000000400488
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403210
R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488

Crashes (369):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-selinux-root	2021/08/30 12:22	upstream	90ac80dcd313	be2c130d	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-kasan-gce	2021/07/22 10:55	upstream	7b6ae471e541	29c3f20f	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-kasan-gce-selinux-root	2021/07/02 09:22	upstream	e04360a2ea01	658ebc66	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-kasan-gce-smack-root	2021/05/27 19:17	upstream	d7c5303fbc8a	858ea628	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-kasan-gce-root	2021/05/24 08:21	upstream	6ebb6814a1ef	3c7fef33	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/05/06 14:53	bpf	bbd6f0a94813	06c27ff5	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-net-kasan-gce	2021/05/06 19:01	net-next	95aafe911db6	06585184	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/05/06 14:39	bpf-next	3733bfbbdd28	06c27ff5	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-linux-next-kasan-gce-root	2021/08/09 11:15	linux-next	7999516e20bd	6972b106	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-linux-next-kasan-gce-root	2021/06/18 16:47	linux-next	a1f92694393a	aba2b2fb	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-kasan-gce-root	2020/08/22 18:37	upstream	f873db9acd3c	6436ce4b	.config	log	report	syz	C
ci-upstream-kasan-gce-selinux-root	2020/08/22 15:07	upstream	f873db9acd3c	6436ce4b	.config	log	report	syz	C
ci-upstream-kasan-gce-smack-root	2020/08/22 14:44	upstream	f873db9acd3c	6436ce4b	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2020/05/24 18:11	upstream	caffb99b6929	bd28eb9d	.config	log	report	syz	C
ci-upstream-kasan-gce-selinux-root	2020/05/24 13:20	upstream	423b8baf18a8	96c92ad3	.config	log	report	syz	C
ci-upstream-kasan-gce-smack-root	2020/05/23 19:20	upstream	444565650a5f	9682898d	.config	log	report	syz	C
ci-upstream-net-this-kasan-gce	2021/01/11 09:24	net	f97844f9c518	2c1f2513	.config	log	report	syz	C
ci-upstream-bpf-kasan-gce	2021/01/11 08:02	bpf	286e95eed12e	2c1f2513	.config	log	report	syz	C
ci-upstream-net-this-kasan-gce	2020/12/06 11:56	net	edd2410b165e	f12ba0c5	.config	log	report	syz	C
ci-upstream-bpf-kasan-gce	2020/12/06 11:47	bpf	12c8a8ca117f	f12ba0c5	.config	log	report	syz	C
ci-upstream-net-this-kasan-gce	2020/08/22 14:35	net	4af7b32f84aa	6436ce4b	.config	log	report	syz	C
ci-upstream-bpf-kasan-gce	2020/08/22 14:35	bpf	4af7b32f84aa	6436ce4b	.config	log	report	syz	C
ci-upstream-bpf-kasan-gce	2020/05/20 04:30	bpf	f85c1598ddfe	67fa1f59	.config	log	report	syz	C
ci-upstream-net-kasan-gce	2021/01/11 08:02	net-next	73b7a6047971	2c1f2513	.config	log	report	syz	C
ci-upstream-bpf-next-kasan-gce	2021/01/11 08:02	bpf-next	e22d7f05e445	2c1f2513	.config	log	report	syz	C
ci-upstream-bpf-next-kasan-gce	2020/12/06 12:47	bpf-next	34da87213d3d	f12ba0c5	.config	log	report	syz	C
ci-upstream-net-kasan-gce	2020/12/06 11:57	net-next	00649542f1ba	f12ba0c5	.config	log	report	syz	C
ci-upstream-bpf-next-kasan-gce	2020/08/22 14:35	bpf-next	9c0f8cbdc0e9	6436ce4b	.config	log	report	syz	C
ci-upstream-net-kasan-gce	2020/08/22 14:35	net-next	3478f90cbff4	6436ce4b	.config	log	report	syz	C
ci-upstream-net-kasan-gce	2020/05/20 04:23	net-next	2de499258659	67fa1f59	.config	log	report	syz	C
ci-upstream-bpf-next-kasan-gce	2020/05/20 04:23	bpf-next	dda18a5c0b75	67fa1f59	.config	log	report	syz	C
ci-upstream-bpf-next-kasan-gce	2020/03/11 18:26	bpf-next	13fac1d851e0	e7caca8e	.config	log	report	syz	C
ci-upstream-linux-next-kasan-gce-root	2020/08/23 22:27	linux-next	494d311a82bb	cef5ae68	.config	log	report	syz	C
ci-upstream-linux-next-kasan-gce-root	2020/05/21 04:13	linux-next	ac935d227366	c61086ab	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2020/05/24 08:18	upstream	423b8baf18a8	96c92ad3	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2020/05/24 06:39	upstream	423b8baf18a8	96c92ad3	.config	log	report	syz
ci-upstream-kasan-gce-root	2020/05/23 18:54	upstream	444565650a5f	9682898d	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2020/05/23 05:55	upstream	051143e1602d	9682898d	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2020/05/20 02:12	upstream	3c9e66568ad4	67fa1f59	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2020/05/19 07:01	upstream	45088963ca9c	684d3606	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2020/05/19 05:40	upstream	45088963ca9c	684d3606	.config	log	report	syz
ci-upstream-kasan-gce-root	2020/05/19 00:10	upstream	45088963ca9c	684d3606	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2020/05/18 16:58	upstream	b9bbe6ed63b2	684d3606	.config	log	report	syz
ci-upstream-net-this-kasan-gce	2020/05/18 14:09	net	e3f2d5579c0b	684d3606	.config	log	report	syz
ci-upstream-bpf-next-kasan-gce	2020/05/18 13:29	bpf-next	96586dd9268d	684d3606	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2020/05/20 14:54	linux-next	ac935d227366	1255f02a	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2021/09/10 00:04	upstream	a3fa7a101dcf	e2776ee4	.config	log	report			info	WARNING in bpf_check
ci-upstream-kasan-gce-root	2021/08/19 14:49	upstream	d6d09a694205	a2fe1cb5	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/09/18 03:26	bpf	bc23f7244817	70b76c1d	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-this-kasan-gce	2021/09/16 00:34	net	a57d8c217aad	07e953c1	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/09/09 05:14	bpf	57f780f1c433	e2776ee4	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/09/05 22:30	bpf	57f780f1c433	d236a457	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/09/04 12:56	bpf	57f780f1c433	d236a457	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/08/26 07:54	bpf	5b029a32cfe4	b599f2fc	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-this-kasan-gce	2021/08/26 06:17	net	cd9b50adc6bb	b599f2fc	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-this-kasan-gce	2021/08/26 01:04	net	93100d6817b0	b599f2fc	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/08/24 01:18	bpf	82a44ae113b7	b599f2fc	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/08/23 04:04	bpf	316749009fdf	b599f2fc	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-this-kasan-gce	2021/08/22 07:30	net	12d125b4574b	b599f2fc	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/08/17 19:19	bpf	3776f3517ed9	a2fe1cb5	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/08/15 19:10	bpf	3776f3517ed9	2489ab88	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/08/15 00:39	bpf	3776f3517ed9	2489ab88	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-this-kasan-gce	2021/08/09 14:52	net	3125f26c5148	6972b106	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-this-kasan-gce	2021/07/27 10:52	net	92766c4628ea	fd511809	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/07/26 17:57	bpf	d6371c76e20d	fd511809	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/07/26 15:05	bpf	d6371c76e20d	fd511809	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/07/24 10:36	bpf	d6371c76e20d	4d1b57d4	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/07/22 20:33	bpf	d6371c76e20d	302e51de	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/07/21 08:04	bpf	d6371c76e20d	1b201b48	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-kasan-gce	2021/09/19 09:49	net-next	983e59a27b92	70b76c1d	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/09/18 17:10	bpf-next	e57f52b42d1f	70b76c1d	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/09/17 11:53	bpf-next	336562752acc	5b989942	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/09/12 02:26	bpf-next	3384c7c7641b	5ae8508a	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/09/08 08:21	bpf-next	27151f177827	064c9eb7	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/09/07 11:39	bpf-next	27151f177827	6ca60148	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/09/07 01:16	bpf-next	27151f177827	6ca60148	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/09/05 20:35	bpf-next	a16ef91aa61a	d236a457	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/09/01 03:11	bpf-next	a16ef91aa61a	7eb7e152	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/09/01 02:11	bpf-next	a16ef91aa61a	7eb7e152	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/28 10:51	bpf-next	47bb27a20d6e	d5a29e53	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/25 04:53	bpf-next	8c0bb89e8e4d	b599f2fc	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/17 12:19	bpf-next	1bda52f80471	33c26cb7	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/15 23:52	bpf-next	fa183a86eefd	2489ab88	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/13 13:34	bpf-next	25dc3895baaa	3fd2ea69	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/11 14:30	bpf-next	ebd0d30cc5e4	6972b106	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/11 06:50	bpf-next	874be05f525e	6972b106	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/10 08:14	bpf-next	6aab1c81b98a	6972b106	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/09 10:24	bpf-next	c83ae15dc947	6972b106	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/05 14:11	bpf-next	372642ea83ff	7f7bb950	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/05 07:47	bpf-next	372642ea83ff	7f7bb950	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/02 19:41	bpf-next	ab0720ce227c	6c236867	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/02 18:01	bpf-next	ab0720ce227c	6c236867	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/02 00:04	bpf-next	ab0720ce227c	6c236867	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/08/01 06:08	bpf-next	ab0720ce227c	6c236867	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/07/30 10:53	bpf-next	5aad03685185	c585c7b0	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/07/28 23:58	bpf-next	33b57e0cc78e	9a4781d4	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/07/27 07:02	bpf-next	793eccae89bb	fd511809	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/07/21 05:48	bpf-next	c39aa2159974	1b201b48	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/07/20 23:06	bpf-next	c39aa2159974	1b201b48	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-kasan-gce	2021/06/30 18:45	net-next	b6df00789e28	84fd4c77	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2020/03/11 18:06	bpf-next	13fac1d851e0	e7caca8e	.config	log	report