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: 465d, last: 1d08h

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	948d	947d	12/22	fixed on 2018/12/07 08:24
upstream	WARNING in bpf_check				3	1067d	1073d	9/22	fixed on 2018/08/07 13:43

Sample crash report:

------------[ cut here ]------------
trace type BPF program uses run-time allocation
WARNING: CPU: 0 PID: 8405 at kernel/bpf/verifier.c:11099 check_map_prog_compatibility kernel/bpf/verifier.c:11099 [inline]
WARNING: CPU: 0 PID: 8405 at kernel/bpf/verifier.c:11099 resolve_pseudo_ldimm64 kernel/bpf/verifier.c:11239 [inline]
WARNING: CPU: 0 PID: 8405 at kernel/bpf/verifier.c:11099 bpf_check+0x4a2c/0x15790 kernel/bpf/verifier.c:13404
Modules linked in:
CPU: 1 PID: 8405 Comm: syz-executor604 Not tainted 5.13.0-rc3-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:11099 [inline]
RIP: 0010:resolve_pseudo_ldimm64 kernel/bpf/verifier.c:11239 [inline]
RIP: 0010:bpf_check+0x4a2c/0x15790 kernel/bpf/verifier.c:13404
Code: 01 e9 0a f1 ff ff e8 b3 0e f1 ff e9 fd f0 ff ff e8 a9 0e f1 ff c6 05 1b fb 96 0c 01 48 c7 c7 e0 bf 36 8a 31 c0 e8 b4 54 bd ff <0f> 0b e9 d6 f5 ff ff 89 d9 80 e1 07 38 c1 0f 8c 5e e8 ff ff 48 89
RSP: 0018:ffffc90009aef2e0 EFLAGS: 00010246
RAX: 026fd40a98ac9900 RBX: 0000000000000001 RCX: ffff88802888b880
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90009aef910 R08: ffffffff81655632 R09: ffffed1017343f24
R10: ffffed1017343f24 R11: 0000000000000000 R12: ffff88802a7c4000
R13: ffff8880190e6780 R14: ffffc90000e8a038 R15: 0000000000000002
FS:  0000000000909300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80ef52e6c0 CR3: 00000000218c9000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 bpf_prog_load kernel/bpf/syscall.c:2217 [inline]
 __do_sys_bpf+0x103b3/0x11560 kernel/bpf/syscall.c:4411
 do_syscall_64+0x3f/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x43f079
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:00007ffc7dcefe58 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f079
RDX: 0000000000000078 RSI: 0000000020000300 RDI: 0000000000000005
RBP: 0000000000403060 R08: 0000000000000000 R09: 0000000000400488
R10: 0000000000000072 R11: 0000000000000246 R12: 00000000004030f0
R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488

Crashes (275):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-smack-root	2021/05/27 19:17	upstream	d7c5303f	858ea628	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-kasan-gce-root	2021/05/24 08:21	upstream	6ebb6814	3c7fef33	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/05/06 14:53	bpf	bbd6f0a9	06c27ff5	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-net-kasan-gce	2021/05/06 19:01	net-next	95aafe91	06585184	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/05/06 14:39	bpf-next	3733bfbb	06c27ff5	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-linux-next-kasan-gce-root	2021/06/18 16:47	linux-next	a1f92694	aba2b2fb	.config	log	report	syz	C		WARNING in bpf_check
ci-upstream-kasan-gce-root	2020/08/22 18:37	upstream	f873db9a	6436ce4b	.config	log	report	syz	C
ci-upstream-kasan-gce-selinux-root	2020/08/22 15:07	upstream	f873db9a	6436ce4b	.config	log	report	syz	C
ci-upstream-kasan-gce-smack-root	2020/08/22 14:44	upstream	f873db9a	6436ce4b	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2020/05/24 18:11	upstream	caffb99b	bd28eb9d	.config	log	report	syz	C
ci-upstream-kasan-gce-selinux-root	2020/05/24 13:20	upstream	423b8baf	96c92ad3	.config	log	report	syz	C
ci-upstream-kasan-gce-smack-root	2020/05/23 19:20	upstream	44456565	9682898d	.config	log	report	syz	C
ci-upstream-net-this-kasan-gce	2021/01/11 09:24	net	f97844f9	2c1f2513	.config	log	report	syz	C
ci-upstream-bpf-kasan-gce	2021/01/11 08:02	bpf	286e95ee	2c1f2513	.config	log	report	syz	C
ci-upstream-net-this-kasan-gce	2020/12/06 11:56	net	edd2410b	f12ba0c5	.config	log	report	syz	C
ci-upstream-bpf-kasan-gce	2020/12/06 11:47	bpf	12c8a8ca	f12ba0c5	.config	log	report	syz	C
ci-upstream-net-this-kasan-gce	2020/08/22 14:35	net	4af7b32f	6436ce4b	.config	log	report	syz	C
ci-upstream-bpf-kasan-gce	2020/08/22 14:35	bpf	4af7b32f	6436ce4b	.config	log	report	syz	C
ci-upstream-bpf-kasan-gce	2020/05/20 04:30	bpf	f85c1598	67fa1f59	.config	log	report	syz	C
ci-upstream-net-kasan-gce	2021/01/11 08:02	net-next	73b7a604	2c1f2513	.config	log	report	syz	C
ci-upstream-bpf-next-kasan-gce	2021/01/11 08:02	bpf-next	e22d7f05	2c1f2513	.config	log	report	syz	C
ci-upstream-bpf-next-kasan-gce	2020/12/06 12:47	bpf-next	34da8721	f12ba0c5	.config	log	report	syz	C
ci-upstream-net-kasan-gce	2020/12/06 11:57	net-next	00649542	f12ba0c5	.config	log	report	syz	C
ci-upstream-bpf-next-kasan-gce	2020/08/22 14:35	bpf-next	9c0f8cbd	6436ce4b	.config	log	report	syz	C
ci-upstream-net-kasan-gce	2020/08/22 14:35	net-next	3478f90c	6436ce4b	.config	log	report	syz	C
ci-upstream-net-kasan-gce	2020/05/20 04:23	net-next	2de49925	67fa1f59	.config	log	report	syz	C
ci-upstream-bpf-next-kasan-gce	2020/05/20 04:23	bpf-next	dda18a5c	67fa1f59	.config	log	report	syz	C
ci-upstream-bpf-next-kasan-gce	2020/03/11 18:26	bpf-next	13fac1d8	e7caca8e	.config	log	report	syz	C
ci-upstream-linux-next-kasan-gce-root	2020/08/23 22:27	linux-next	494d311a	cef5ae68	.config	log	report	syz	C
ci-upstream-linux-next-kasan-gce-root	2020/05/21 04:13	linux-next	ac935d22	c61086ab	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2020/05/24 08:18	upstream	423b8baf	96c92ad3	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2020/05/24 06:39	upstream	423b8baf	96c92ad3	.config	log	report	syz
ci-upstream-kasan-gce-root	2020/05/23 18:54	upstream	44456565	9682898d	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2020/05/23 05:55	upstream	051143e1	9682898d	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2020/05/20 02:12	upstream	3c9e6656	67fa1f59	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2020/05/19 07:01	upstream	45088963	684d3606	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2020/05/19 05:40	upstream	45088963	684d3606	.config	log	report	syz
ci-upstream-kasan-gce-root	2020/05/19 00:10	upstream	45088963	684d3606	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2020/05/18 16:58	upstream	b9bbe6ed	684d3606	.config	log	report	syz
ci-upstream-net-this-kasan-gce	2020/05/18 14:09	net	e3f2d557	684d3606	.config	log	report	syz
ci-upstream-bpf-next-kasan-gce	2020/05/18 13:29	bpf-next	96586dd9	684d3606	.config	log	report	syz
ci-upstream-net-kasan-gce	2020/05/18 00:19	net-next	d53b1162	37bccd4e	.config	log	report	syz
ci-upstream-bpf-next-kasan-gce	2020/05/17 22:02	bpf-next	96586dd9	37bccd4e	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2020/05/20 14:54	linux-next	ac935d22	1255f02a	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2020/05/18 00:23	linux-next	ac935d22	37bccd4e	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2021/03/04 02:49	upstream	f69d02e3	06ed56cd	.config	log	report			info	WARNING in bpf_check
ci-upstream-kasan-gce-smack-root	2021/03/04 00:26	upstream	f69d02e3	06ed56cd	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/06/14 15:53	bpf	11fc79fc	1ba81399	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-this-kasan-gce	2021/06/05 18:31	net	3822d067	500c2339	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/06/05 03:12	bpf	1a802423	966a236b	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/05/30 01:25	bpf	ff2e6efd	325a8dab	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/05/28 15:04	bpf	d7c5303f	858ea628	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-this-kasan-gce	2021/05/27 04:34	net	62f3415d	858ea628	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/05/25 17:36	bpf	a8deba85	93d3a9f6	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/05/19 23:08	bpf	d0c0fe10	a343ba6b	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/05/05 18:26	bpf	bbd6f0a9	06c27ff5	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/05/01 12:36	bpf	bbd6f0a9	77e2b668	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/04/30 18:22	bpf	bbd6f0a9	77e2b668	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/04/19 21:18	bpf	b0226542	50f523d7	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/04/19 03:55	bpf	b0226542	7e2b734b	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-this-kasan-gce	2021/04/16 10:31	net	4e39a072	c59079a6	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/04/06 06:10	bpf	a14d273b	6a81331a	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/03/31 10:36	bpf	861de02e	6a81331a	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-this-kasan-gce	2021/03/03 15:58	net	95b39f07	e5b64d68	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/02/25 09:21	bpf	557c223b	fcc6d71b	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/02/02 07:43	bpf	06cc6e5d	e6b95f32	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/01/29 04:27	bpf	150a2732	7df34f59	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/06/17 16:42	bpf-next	f20792d4	aba2b2fb	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/06/13 23:25	bpf-next	ca16b429	1ba81399	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/06/13 09:06	bpf-next	ca16b429	1ba81399	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/06/09 20:25	bpf-next	380afe72	84fe5d96	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/06/08 10:35	bpf-next	cf68fa43	b718257f	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/06/05 14:00	bpf-next	cf68fa43	500c2339	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/05/31 21:52	bpf-next	e8e0f0f4	032639db	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-kasan-gce	2021/05/30 15:26	net-next	d3f2c48d	325a8dab	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-kasan-gce	2021/05/29 14:37	net-next	38e9673c	858ea628	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/05/26 19:20	bpf-next	21703cf7	54f0bcf1	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/05/24 06:16	bpf-next	a49e72b3	3c7fef33	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/05/18 23:55	bpf-next	c49661aa	a343ba6b	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/05/08 13:21	bpf-next	3733bfbb	bc5434be	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/05/07 05:47	bpf-next	3733bfbb	06585184	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/05/03 12:07	bpf-next	3733bfbb	77e2b668	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/05/03 03:19	bpf-next	3733bfbb	77e2b668	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/04/27 16:29	bpf-next	92731504	805b5003	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/04/27 12:12	bpf-next	92731504	805b5003	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/03/31 12:33	bpf-next	2976706f	6a81331a	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/03/28 17:58	bpf-next	36e79851	a8529b82	.config	log	report			info	WARNING in bpf_check
ci-upstream-net-kasan-gce	2021/03/28 13:32	net-next	a1281601	a8529b82	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-next-kasan-gce	2021/01/28 02:34	bpf-next	86ce322d	eefc07f2	.config	log	report			info	WARNING in bpf_check
ci-upstream-bpf-kasan-gce	2021/01/08 17:30	bpf	286e95ee	c104d4a3	.config	log	report			info
ci-upstream-bpf-next-kasan-gce	2021/01/09 13:00	bpf-next	e22d7f05	a6c52263	.config	log	report			info
ci-upstream-bpf-next-kasan-gce	2021/01/09 03:48	bpf-next	17b75d3f	c104d4a3	.config	log	report			info
ci-upstream-bpf-next-kasan-gce	2021/01/07 18:59	bpf-next	482ec343	c104d4a3	.config	log	report			info
ci-upstream-bpf-next-kasan-gce	2021/01/07 04:09	bpf-next	482ec343	c104d4a3	.config	log	report			info
ci-upstream-bpf-next-kasan-gce	2020/03/11 18:06	bpf-next	13fac1d8	e7caca8e	.config	log	report
ci-upstream-linux-next-kasan-gce-root	2020/09/23 00:39	linux-next	e6499702	3e8f6c27	.config	log	report			info