WARNING in mark

WARNING in mark_lock (3)
Status: upstream: reported C repro on 2019/11/26 09:05
Reported-by: syzbot+a229d8d995b74f8c4b6c@syzkaller.appspotmail.com
First crash: 694d, last: 509d

Cause bisection: introduced by (bisect log) :
commit d665c1281bc89ac85b8b0c058c22a3f94640a1d6
Author: Yi Wang <wang.yi59@zte.com.cn>
Date: Mon Oct 21 23:57:42 2019 +0000

  net: sched: taprio: fix -Wmissing-prototypes warnings

Crash: general protection fault in batadv_iv_ogm_queue_add (log)
Repro: C syz .config

Fix bisection: the fix commit could be any of (bisect log):
  f751820bc319 vfio/type1: Fix migration info capability ID
  5c5866c593bb vfio/pci: Clear error and request eventfd ctx after releasing
  ebfa440ce38b vfio/pci: Fix SR-IOV VF handling with MMIO blocking
  c322f5399fc3 Merge tag 'vfio-v5.8-rc3' of git://github.com/awilliam/linux-vfio

similar bugs (2):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in mark_lock (2)				14	726d	753d	14/22	fixed on 2019/10/27 22:28
upstream	WARNING in mark_lock	syz	done		2	790d	845d	13/22	fixed on 2019/08/27 17:15

Sample crash report:

------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 0 PID: 10812 at kernel/locking/lockdep.c:167 hlock_class kernel/locking/lockdep.c:167 [inline]
WARNING: CPU: 0 PID: 10812 at kernel/locking/lockdep.c:167 hlock_class kernel/locking/lockdep.c:156 [inline]
WARNING: CPU: 0 PID: 10812 at kernel/locking/lockdep.c:167 mark_lock+0x22b/0x1220 kernel/locking/lockdep.c:3643
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 10812 Comm: syz-executor912 Not tainted 5.5.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x3e kernel/panic.c:582
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:hlock_class kernel/locking/lockdep.c:167 [inline]
RIP: 0010:hlock_class kernel/locking/lockdep.c:156 [inline]
RIP: 0010:mark_lock+0x22b/0x1220 kernel/locking/lockdep.c:3643
Code: d0 7c 08 84 d2 0f 85 a8 0e 00 00 44 8b 1d fd 22 21 09 45 85 db 75 b6 48 c7 c6 20 95 2b 88 48 c7 c7 60 95 2b 88 e8 94 3e eb ff <0f> 0b 31 db e9 aa fe ff ff 48 c7 c7 20 35 66 8b e8 70 4e 58 00 e9
RSP: 0018:ffffc90001e771c8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815e8506 RDI: fffff520003cee2b
RBP: ffffc90001e77218 R08: ffff888097e98440 R09: fffffbfff1333511
R10: fffffbfff1333510 R11: ffffffff8999a883 R12: 0000000000000002
R13: ffff888097e98d28 R14: 0000000000000000 R15: 00000000000405d8
 mark_usage kernel/locking/lockdep.c:3580 [inline]
 __lock_acquire+0x1370/0x4a00 kernel/locking/lockdep.c:3909
 lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4485
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
 _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:175
 spin_lock_bh include/linux/spinlock.h:343 [inline]
 netif_addr_lock_bh include/linux/netdevice.h:4092 [inline]
 dev_mc_seq_show net/core/net-procfs.c:325 [inline]
 dev_mc_seq_show+0x3e/0x240 net/core/net-procfs.c:317
 seq_read+0xad7/0x1170 fs/seq_file.c:268
 proc_reg_read+0x1fc/0x2c0 fs/proc/inode.c:223
 do_loop_readv_writev fs/read_write.c:714 [inline]
 do_loop_readv_writev fs/read_write.c:701 [inline]
 do_iter_read+0x4a4/0x660 fs/read_write.c:935
 vfs_readv+0xf0/0x160 fs/read_write.c:997
 kernel_readv fs/splice.c:365 [inline]
 default_file_splice_read+0x4fb/0xa20 fs/splice.c:422
 do_splice_to+0x127/0x180 fs/splice.c:892
 splice_direct_to_actor+0x320/0xa30 fs/splice.c:971
 do_splice_direct+0x1da/0x2a0 fs/splice.c:1080
 do_sendfile+0x597/0xd00 fs/read_write.c:1464
 __do_sys_sendfile64 fs/read_write.c:1525 [inline]
 __se_sys_sendfile64 fs/read_write.c:1511 [inline]
 __x64_sys_sendfile64+0x1dd/0x220 fs/read_write.c:1511
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x447709
Code: e8 ec 0e 03 00 48 83 c4 18 c3 0f 1f 80 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 0f 83 fb 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f98d03bccf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00000000006dcc98 RCX: 0000000000447709
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005
RBP: 00000000006dcc90 R08: 0000000000000000 R09: 0000000000000000
R10: 000000006f0a77bd R11: 0000000000000246 R12: 00000000006dcc9c
R13: 00007f98d03bcd10 R14: 00007f98d03bcd10 R15: a7ffffffffffffde
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (69):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro
ci-upstream-kasan-gce-selinux-root	2020/01/10 12:55	upstream	e69ec487b2c7	4de4e9f0	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2020/01/09 11:47	upstream	b07f636fca1c	ddc3e859	.config	log	report	syz	C
ci-upstream-kasan-gce	2020/01/09 04:09	upstream	b07f636fca1c	ddc3e859	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2020/01/07 16:02	upstream	ae6088216ce4	1bcd407e	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2019/12/19 05:00	upstream	2187f215ebaa	79b211f7	.config	log	report	syz	C
ci-upstream-kasan-gce	2019/12/19 01:48	upstream	2187f215ebaa	79b211f7	.config	log	report	syz	C
ci-upstream-kasan-gce-selinux-root	2019/12/19 01:34	upstream	2187f215ebaa	79b211f7	.config	log	report	syz	C
ci-upstream-kasan-gce-smack-root	2019/11/28 21:54	upstream	a6ed68d6468b	46869e3e	.config	log	report	syz	C
ci-upstream-kasan-gce-selinux-root	2019/11/28 06:39	upstream	d76886972823	0d63f89c	.config	log	report	syz	C
ci-upstream-kasan-gce	2019/11/27 19:29	upstream	89d57dddd7d3	0d63f89c	.config	log	report	syz	C
ci-upstream-kasan-gce-386	2019/12/19 06:21	upstream	2187f215ebaa	79b211f7	.config	log	report	syz	C
ci2-upstream-usb	2020/03/26 14:02	https://github.com/google/kasan.git usb-fuzzer	e17994d1e7b1	6d25c5a0	.config	log	report	syz	C
ci-upstream-linux-next-kasan-gce-root	2020/01/12 04:15	linux-next	6c09d7dbb7d3	4c04afaa	.config	log	report	syz	C
ci-upstream-linux-next-kasan-gce-root	2019/12/27 09:21	linux-next	7ddd09fc4b74	be5c2c81	.config	log	report	syz	C
ci-upstream-linux-next-kasan-gce-root	2019/12/13 01:33	linux-next	78adcacd4edb	08003f64	.config	log	report	syz	C
ci-upstream-kasan-gce-selinux-root	2020/01/08 10:30	upstream	ae6088216ce4	6738e0b3	.config	log	report	syz
ci-upstream-kasan-gce-root	2019/11/25 21:13	upstream	219d54332a09	371caf77	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2019/11/22 07:57	upstream	81429eb8d9ca	8098ea0f	.config	log	report	syz
ci-upstream-kasan-gce-386	2020/01/09 06:33	upstream	b07f636fca1c	ddc3e859	.config	log	report	syz
ci-upstream-kasan-gce-386	2020/01/07 07:39	upstream	ec7b3f5372e2	53430d97	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2020/02/28 06:24	upstream	f8788d86ab28	59b57593	.config	log	report
ci-upstream-kasan-gce-smack-root	2020/02/13 13:00	upstream	f2850dd5ee01	84f4fc8a	.config	log	report
ci-upstream-kasan-gce	2020/01/15 20:27	upstream	51d69817519f	f9b69507	.config	log	report
ci-upstream-kasan-gce	2020/01/14 18:11	upstream	b3a987b0264d	32881205	.config	log	report
ci-upstream-kasan-gce	2020/01/08 15:26	upstream	ae6088216ce4	ddc3e859	.config	log	report
ci-upstream-kasan-gce-selinux-root	2020/01/08 14:56	upstream	ae6088216ce4	ddc3e859	.config	log	report
ci-upstream-kasan-gce	2020/01/07 08:21	upstream	ec7b3f5372e2	53430d97	.config	log	report
ci-upstream-kasan-gce-root	2019/12/29 21:07	upstream	a99efa00891b	af6b8ef8	.config	log	report
ci-upstream-kasan-gce	2019/12/18 23:02	upstream	2187f215ebaa	79b211f7	.config	log	report
ci-upstream-kasan-gce	2019/12/09 01:46	upstream	9455d25f4e3b	1508f453	.config	log	report
ci-upstream-kasan-gce-smack-root	2019/11/26 14:12	upstream	0be0ee71816b	f746151a	.config	log	report
ci-qemu-upstream-386	2019/12/26 21:33	upstream	46cf053efec6	8b967267	.config	log	report
ci-upstream-net-this-kasan-gce	2020/01/17 17:32	net	93ad0f969fc7	3de7aabb	.config	log	report
ci-upstream-net-this-kasan-gce	2020/01/16 11:16	net	567110f147b3	f9b69507	.config	log	report
ci-upstream-net-this-kasan-gce	2020/01/15 04:43	net	f8d7408a4d7f	fa12bd3c	.config	log	report
ci-upstream-net-this-kasan-gce	2020/01/13 18:23	net	c9f53049d4a8	99565c1a	.config	log	report
ci-upstream-net-this-kasan-gce	2020/01/13 10:33	net	c9f53049d4a8	53faa9fe	.config	log	report
ci-upstream-net-this-kasan-gce	2020/01/11 19:35	net	a5c3a7c0ce1a	4c04afaa	.config	log	report
ci-upstream-net-this-kasan-gce	2020/01/11 06:46	net	e267371dd376	4de4e9f0	.config	log	report
ci-upstream-net-this-kasan-gce	2020/01/10 11:01	net	e267371dd376	4de4e9f0	.config	log	report
ci-upstream-net-kasan-gce	2020/01/19 13:28	net-next	9aaa29494030	bc8bc756	.config	log	report
ci-upstream-net-kasan-gce	2020/01/19 12:25	net-next	9aaa29494030	bc8bc756	.config	log	report
ci-upstream-net-kasan-gce	2020/01/19 00:31	net-next	9aaa29494030	bc8bc756	.config	log	report
ci-upstream-net-kasan-gce	2020/01/18 17:07	net-next	56f200c78ce4	3de7aabb	.config	log	report
ci-upstream-net-kasan-gce	2020/01/18 07:28	net-next	56f200c78ce4	3de7aabb	.config	log	report
ci-upstream-net-kasan-gce	2020/01/18 05:08	net-next	56f200c78ce4	3de7aabb	.config	log	report
ci-upstream-net-kasan-gce	2020/01/18 03:01	net-next	56f200c78ce4	3de7aabb	.config	log	report
ci-upstream-net-kasan-gce	2020/01/18 01:02	net-next	56f200c78ce4	3de7aabb	.config	log	report
ci-upstream-net-kasan-gce	2020/01/17 19:51	net-next	56f200c78ce4	3de7aabb	.config	log	report
ci-upstream-net-kasan-gce	2020/01/16 21:34	net-next	1ccf6c13d9c7	3de7aabb	.config	log	report
ci-upstream-net-kasan-gce	2020/01/16 20:20	net-next	1ccf6c13d9c7	3de7aabb	.config	log	report
ci-upstream-net-kasan-gce	2020/01/16 16:23	net-next	1ccf6c13d9c7	3de7aabb	.config	log	report
ci-upstream-net-kasan-gce	2020/01/16 05:27	net-next	4e2fa6b90275	f9b69507	.config	log	report
ci-upstream-net-kasan-gce	2020/01/15 22:00	net-next	4e2fa6b90275	f9b69507	.config	log	report
ci-upstream-net-kasan-gce	2020/01/15 03:26	net-next	76ccf5288c62	fa12bd3c	.config	log	report
ci-upstream-net-kasan-gce	2020/01/14 14:15	net-next	428cd5232482	32881205	.config	log	report
ci-upstream-net-kasan-gce	2020/01/13 05:03	net-next	a442c2c3850d	53faa9fe	.config	log	report
ci-upstream-net-kasan-gce	2020/01/11 16:03	net-next	6821af8b7885	4c04afaa	.config	log	report
ci-upstream-net-kasan-gce	2020/01/11 04:46	net-next	9f120e7659b0	4de4e9f0	.config	log	report
ci-upstream-net-kasan-gce	2020/01/11 02:19	net-next	9f120e7659b0	4de4e9f0	.config	log	report
ci-upstream-linux-next-kasan-gce-root	2020/01/10 19:30	linux-next	6c09d7dbb7d3	4de4e9f0	.config	log	report
ci-upstream-linux-next-kasan-gce-root	2020/01/09 10:58	linux-next	85cff1ab6432	ddc3e859	.config	log	report
ci-upstream-linux-next-kasan-gce-root	2019/12/18 23:08	linux-next	b9c5ef25038d	79b211f7	.config	log	report
ci-upstream-linux-next-kasan-gce-root	2019/12/02 15:03	linux-next	c5db92909bed	f879db37	.config	log	report