KMSAN: kernel-infoleak in copy_page_to

KMSAN: kernel-infoleak in copy_page_to_iter (2)
Status: upstream: reported C repro on 2018/09/13 09:18
Reported-by: syzbot+2dcfeaf8cb49b05e8f1a@syzkaller.appspotmail.com
First crash: 733d, last: 6d00h

similar bugs (1):
Kernel	Title	Repro	Bisected	Count	Last	Reported	Patched	Status
upstream	KMSAN: kernel-infoleak in copy_page_to_iter	C		364	733d	755d	0/17	closed as invalid on 2018/06/29 17:28

Sample crash report:

IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
8021q: adding VLAN 0 to HW filter on device team0
==================================================================
BUG: KMSAN: kernel-infoleak in copyout lib/iov_iter.c:140 [inline]
BUG: KMSAN: kernel-infoleak in copy_page_to_iter_iovec lib/iov_iter.c:212 [inline]
BUG: KMSAN: kernel-infoleak in copy_page_to_iter+0x77a/0x1ac0 lib/iov_iter.c:846
CPU: 0 PID: 5005 Comm: blkid Not tainted 4.19.0-rc1+ #39
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+0x14b/0x190 lib/dump_stack.c:113
 kmsan_report+0x183/0x2b0 mm/kmsan/kmsan.c:956
 kmsan_internal_check_memory+0x17e/0x1f0 mm/kmsan/kmsan.c:1020
 kmsan_copy_to_user+0x73/0xb0 mm/kmsan/kmsan_hooks.c:479
 copyout lib/iov_iter.c:140 [inline]
 copy_page_to_iter_iovec lib/iov_iter.c:212 [inline]
 copy_page_to_iter+0x77a/0x1ac0 lib/iov_iter.c:846
 generic_file_buffered_read mm/filemap.c:2185 [inline]
 generic_file_read_iter+0x3469/0x4430 mm/filemap.c:2362
 blkdev_read_iter+0x20d/0x270 fs/block_dev.c:1936
 call_read_iter include/linux/fs.h:1801 [inline]
 new_sync_read fs/read_write.c:406 [inline]
 __vfs_read+0x7bb/0x9f0 fs/read_write.c:418
 vfs_read+0x36f/0x6a0 fs/read_write.c:452
 ksys_read fs/read_write.c:578 [inline]
 __do_sys_read fs/read_write.c:588 [inline]
 __se_sys_read fs/read_write.c:586 [inline]
 __x64_sys_read+0x1b7/0x3c0 fs/read_write.c:586
 do_syscall_64+0x15b/0x220 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x7f6bf4959310
Code: 73 01 c3 48 8b 0d 28 4b 2b 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 83 3d e5 a2 2b 00 00 75 10 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 6e 8a 01 00 48 89 04 24
RSP: 002b:00007fff70489898 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000037000 RCX: 00007f6bf4959310
RDX: 0000000000000029 RSI: 0000000000ddf1c8 RDI: 0000000000000003
RBP: 0000000000ddf1a0 R08: 0000000000000058 R09: 0101010101010101
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000dd9030
R13: 0000000000000029 R14: 0000000000dd9080 R15: 0000000000ddf1b8

Uninit was created at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:256 [inline]
 kmsan_internal_alloc_meta_for_pages+0x146/0x700 mm/kmsan/kmsan.c:694
 kmsan_alloc_page+0x75/0xd0 mm/kmsan/kmsan_hooks.c:250
 __alloc_pages_nodemask+0xf6b/0x5c80 mm/page_alloc.c:4411
 alloc_pages_current+0x6b1/0x970 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:511 [inline]
 __page_cache_alloc+0x95/0x320 mm/filemap.c:946
 page_cache_alloc include/linux/pagemap.h:234 [inline]
 generic_file_buffered_read mm/filemap.c:2273 [inline]
 generic_file_read_iter+0x27a4/0x4430 mm/filemap.c:2362
 blkdev_read_iter+0x20d/0x270 fs/block_dev.c:1936
 call_read_iter include/linux/fs.h:1801 [inline]
 new_sync_read fs/read_write.c:406 [inline]
 __vfs_read+0x7bb/0x9f0 fs/read_write.c:418
 vfs_read+0x36f/0x6a0 fs/read_write.c:452
 ksys_read fs/read_write.c:578 [inline]
 __do_sys_read fs/read_write.c:588 [inline]
 __se_sys_read fs/read_write.c:586 [inline]
 __x64_sys_read+0x1b7/0x3c0 fs/read_write.c:586
 do_syscall_64+0x15b/0x220 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x63/0xe7

Bytes 0-40 of 41 are uninitialized
Memory access starts at ffff8801b1729000
==================================================================

Crashes (1313):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Maintainers
ci-upstream-kmsan-gce	2018/08/31 16:47	https://github.com/google/kmsan.git master	ab98bd30	a4718693	.config	log	report	syz	C	ak@linux.intel.com, akpm@linux-foundation.org, jack@suse.cz, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mawilcox@microsoft.com, mgorman@techsingularity.net, tim.c.chen@linux.intel.com, zwisler@kernel.org
ci-upstream-kmsan-gce	2018/08/30 12:57	https://github.com/google/kmsan.git master	2dca2cbd	6c7e9d3d	.config	log	report	syz	C	ak@linux.intel.com, akpm@linux-foundation.org, jack@suse.cz, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mawilcox@microsoft.com, mgorman@techsingularity.net, tim.c.chen@linux.intel.com, zwisler@kernel.org
ci-upstream-kmsan-gce	2018/08/30 11:32	https://github.com/google/kmsan.git master	2dca2cbd	6c7e9d3d	.config	log	report	syz	C	ak@linux.intel.com, akpm@linux-foundation.org, jack@suse.cz, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mawilcox@microsoft.com, mgorman@techsingularity.net, tim.c.chen@linux.intel.com, zwisler@kernel.org
ci-upstream-kmsan-gce	2018/08/25 03:09	https://github.com/google/kmsan.git master	0cc51dc9	9b0f5c75	.config	log	report	syz	C	ak@linux.intel.com, akpm@linux-foundation.org, jack@suse.cz, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mawilcox@microsoft.com, mgorman@techsingularity.net, ross.zwisler@linux.intel.com, tim.c.chen@linux.intel.com
ci-upstream-kmsan-gce	2018/08/25 01:57	https://github.com/google/kmsan.git master	0cc51dc9	9b0f5c75	.config	log	report	syz	C	ak@linux.intel.com, akpm@linux-foundation.org, jack@suse.cz, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mawilcox@microsoft.com, mgorman@techsingularity.net, ross.zwisler@linux.intel.com, tim.c.chen@linux.intel.com
ci-upstream-kmsan-gce	2018/07/23 10:46	https://github.com/google/kmsan.git master	d1c2a46a	f69c5fcd	.config	log	report	syz	C	ak@linux.intel.com, akpm@linux-foundation.org, jack@suse.cz, jlayton@redhat.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mawilcox@microsoft.com, mgorman@techsingularity.net, tim.c.chen@linux.intel.com
ci-upstream-kmsan-gce	2018/07/22 03:19	https://github.com/google/kmsan.git master	d1c2a46a	8cc079c3	.config	log	report	syz	C	ak@linux.intel.com, akpm@linux-foundation.org, jack@suse.cz, jlayton@redhat.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mawilcox@microsoft.com, mgorman@techsingularity.net, tim.c.chen@linux.intel.com
ci-upstream-kmsan-gce	2018/07/19 16:24	https://github.com/google/kmsan.git master	cf8cd3cd	49f35839	.config	log	report	syz	C	ak@linux.intel.com, akpm@linux-foundation.org, jack@suse.cz, jlayton@redhat.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mawilcox@microsoft.com, mgorman@techsingularity.net, tim.c.chen@linux.intel.com
ci-upstream-kmsan-gce	2018/07/17 11:05	https://github.com/google/kmsan.git master	80ecacc4	13761366	.config	log	report	syz	C	ak@linux.intel.com, akpm@linux-foundation.org, jack@suse.cz, jlayton@redhat.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mawilcox@microsoft.com, mgorman@techsingularity.net, tim.c.chen@linux.intel.com
ci-upstream-kmsan-gce	2018/07/08 05:37	https://github.com/google/kmsan.git master	a00de5aa	c9a7a4dc	.config	log	report	syz	C	ak@linux.intel.com, akpm@linux-foundation.org, jack@suse.cz, jlayton@redhat.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mawilcox@microsoft.com, mgorman@techsingularity.net, tim.c.chen@linux.intel.com
ci-upstream-kmsan-gce	2018/06/29 23:50	https://github.com/google/kmsan.git master	12390609	dba0b50e	.config	log	report	syz	C	ak@linux.intel.com, akpm@linux-foundation.org, jack@suse.cz, jlayton@redhat.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mawilcox@microsoft.com, mgorman@techsingularity.net
ci-upstream-kmsan-gce	2018/07/18 09:22	https://github.com/google/kmsan.git master	80ecacc4	6d5bd5b5	.config	log	report	syz		ak@linux.intel.com, akpm@linux-foundation.org, jack@suse.cz, jlayton@redhat.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mawilcox@microsoft.com, mgorman@techsingularity.net, tim.c.chen@linux.intel.com
ci-upstream-kmsan-gce	2020/06/25 09:25	https://github.com/google/kmsan.git master	f0d5ec90	54566aff	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/24 12:03	https://github.com/google/kmsan.git master	f0d5ec90	54566aff	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/20 04:05	https://github.com/google/kmsan.git master	f0d5ec90	81abc331	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/19 20:35	https://github.com/google/kmsan.git master	f0d5ec90	81abc331	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/18 12:37	https://github.com/google/kmsan.git master	f0d5ec90	d45a4d69	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/18 02:22	https://github.com/google/kmsan.git master	f0d5ec90	b9f3810b	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/15 09:53	https://github.com/google/kmsan.git master	f0d5ec90	8e3ab941	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/15 03:17	https://github.com/google/kmsan.git master	f0d5ec90	2a22c77a	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/14 06:54	https://github.com/google/kmsan.git master	f0d5ec90	a61674a5	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/13 15:35	https://github.com/google/kmsan.git master	f0d5ec90	f4724dd3	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/12 11:52	https://github.com/google/kmsan.git master	f0d5ec90	58802067	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/11 09:34	https://github.com/google/kmsan.git master	f0d5ec90	3ab7a05a	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/08 18:26	https://github.com/google/kmsan.git master	f0d5ec90	7604bb03	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/07 06:19	https://github.com/google/kmsan.git master	f0d5ec90	e6b89e4e	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/05 12:13	https://github.com/google/kmsan.git master	f0d5ec90	2420d1bc	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/06/03 22:26	https://github.com/google/kmsan.git master	f0d5ec90	a5ce5de0	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/31 07:04	https://github.com/google/kmsan.git master	f0d5ec90	6f3e1c7c	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/30 15:22	https://github.com/google/kmsan.git master	f0d5ec90	954bd312	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/30 10:02	https://github.com/google/kmsan.git master	f0d5ec90	954bd312	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/28 09:12	https://github.com/google/kmsan.git master	69b987d5	142a0957	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/26 23:49	https://github.com/google/kmsan.git master	94bc4cd0	9072c126	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/25 19:14	https://github.com/google/kmsan.git master	8b97c627	30927cd7	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/24 15:48	https://github.com/google/kmsan.git master	8b97c627	bd28eb9d	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/24 07:57	https://github.com/google/kmsan.git master	8b97c627	96c92ad3	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/19 14:59	https://github.com/google/kmsan.git master	8b97c627	6d882fd2	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/19 02:32	https://github.com/google/kmsan.git master	8b97c627	684d3606	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/17 22:35	https://github.com/google/kmsan.git master	8b97c627	37bccd4e	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/17 17:27	https://github.com/google/kmsan.git master	8b97c627	37bccd4e	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/16 18:27	https://github.com/google/kmsan.git master	8b97c627	37bccd4e	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/13 17:50	https://github.com/google/kmsan.git master	8b97c627	9a6d42fb	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2020/05/12 01:04	https://github.com/google/kmsan.git master	14bcee29	9eb09c40	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2018/12/05 07:59	https://github.com/google/kmsan.git master	00f99f81	f162ad97	.config	log	report			akpm@linux-foundation.org, amir73il@gmail.com, darrick.wong@oracle.com, david@fromorbit.com, hannes@cmpxchg.org, jrdr.linux@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org
ci-upstream-kmsan-gce	2018/12/04 23:47	https://github.com/google/kmsan.git master	00f99f81	f162ad97	.config	log	report			akpm@linux-foundation.org, amir73il@gmail.com, darrick.wong@oracle.com, david@fromorbit.com, hannes@cmpxchg.org, jrdr.linux@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org
ci-upstream-kmsan-gce	2018/12/04 13:27	https://github.com/google/kmsan.git master	00f99f81	6ad0ae61	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce	2018/12/04 12:09	https://github.com/google/kmsan.git master	00f99f81	6ad0ae61	.config	log	report			akpm@linux-foundation.org, amir73il@gmail.com, darrick.wong@oracle.com, david@fromorbit.com, hannes@cmpxchg.org, jrdr.linux@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org
ci-upstream-kmsan-gce	2018/12/04 11:53	https://github.com/google/kmsan.git master	00f99f81	6ad0ae61	.config	log	report			akpm@linux-foundation.org, amir73il@gmail.com, darrick.wong@oracle.com, david@fromorbit.com, hannes@cmpxchg.org, jrdr.linux@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org
ci-upstream-kmsan-gce	2018/12/03 20:52	https://github.com/google/kmsan.git master	1d3abf0f	819002b0	.config	log	report			akpm@linux-foundation.org, amir73il@gmail.com, darrick.wong@oracle.com, david@fromorbit.com, hannes@cmpxchg.org, jrdr.linux@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org
ci-upstream-kmsan-gce	2018/12/03 10:34	https://github.com/google/kmsan.git master	1d3abf0f	819002b0	.config	log	report			akpm@linux-foundation.org, amir73il@gmail.com, darrick.wong@oracle.com, david@fromorbit.com, hannes@cmpxchg.org, jrdr.linux@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org
ci-upstream-kmsan-gce	2018/12/03 07:44	https://github.com/google/kmsan.git master	9fbf73b8	7dcaeaf3	.config	log	report			akpm@linux-foundation.org, amir73il@gmail.com, darrick.wong@oracle.com, david@fromorbit.com, hannes@cmpxchg.org, jrdr.linux@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org
ci-upstream-kmsan-gce-386	2020/06/26 15:02	https://github.com/google/kmsan.git master	f0d5ec90	aea82c00	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce-386	2020/06/18 03:27	https://github.com/google/kmsan.git master	f0d5ec90	b9f3810b	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce-386	2020/06/01 12:34	https://github.com/google/kmsan.git master	f0d5ec90	a0331e89	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce-386	2020/05/31 06:55	https://github.com/google/kmsan.git master	f0d5ec90	6f3e1c7c	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce-386	2020/05/27 02:04	https://github.com/google/kmsan.git master	94bc4cd0	9072c126	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce-386	2020/05/24 20:22	https://github.com/google/kmsan.git master	8b97c627	bd28eb9d	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce-386	2020/05/18 01:54	https://github.com/google/kmsan.git master	8b97c627	37bccd4e	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce-386	2020/05/17 23:44	https://github.com/google/kmsan.git master	8b97c627	37bccd4e	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kmsan-gce-386	2020/05/15 23:12	https://github.com/google/kmsan.git master	8b97c627	d7f9fffa	.config	log	report			linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk