kernel panic: [German Accent]: OOM for a small slab growth!!! (2)

kernel panic: [German Accent]: OOM for a small slab growth!!! (2)
Status: upstream: reported C repro on 2018/07/18 18:35
Reported-by: syzbot+b2f2e3eb4ea5b282c918@syzkaller.appspotmail.com
First crash: 396d, last: 9h16m

similar bugs (1):
Kernel	Title	Repro	Bisected	Count	Last	Reported	Patched	Status
akaros	kernel panic: [German Accent]: OOM for a small slab growth!!!			40	408d	408d	0/1	closed as invalid on 2018/07/16 15:43

Sample crash report:

kernel panic at kern/src/slab.c:518, from core 0: [German Accent]: OOM for a small slab growth!!!
Stack Backtrace on Core 0:
#01 [<0xffffffffc200a2bc>] in backtrace at src/kdebug.c:220
#02 [<0xffffffffc2009afd>] in _panic at src/init.c:268
#03 [<0xffffffffc2053591>] in __kmem_alloc_from_slab at src/slab.c:518
#04 [<0xffffffffc2053bba>] in kmem_cache_alloc at src/slab.c:592
#05 [<0xffffffffc2002267>] in arena_alloc at src/arena.c:714
#06 [<     [inline]     >] in kmem_cache_grow at src/slab.c:706
#06 [<0xffffffffc2053394>] in __kmem_alloc_from_slab at src/slab.c:513
#07 [<0xffffffffc2053bba>] in kmem_cache_alloc at src/slab.c:592
#08 [<0xffffffffc200a742>] in kmalloc at src/kmalloc.c:74
#09 [<0xffffffffc205b65e>] in user_memdup.part.3 at src/umem.c:144
#10 [<     [inline]     >] in user_memdup at src/umem.c:144
#10 [<0xffffffffc205b8fd>] in user_strdup at src/umem.c:175
#11 [<0xffffffffc205b929>] in user_strdup_errno at src/umem.c:184
#12 [<0xffffffffc205bbda>] in copy_in_path at src/umem.c:252
#13 [<0xffffffffc205887a>] in sys_openat at src/syscall.c:1801
#14 [<0xffffffffc2059439>] in syscall at src/syscall.c:2528
#15 [<0xffffffffc2059604>] in run_local_syscall at src/syscall.c:2563
#16 [<0xffffffffc2059b39>] in prep_syscalls at src/syscall.c:2583
#17 [<0xffffffffc20ab38a>] in sysenter_callwrapper at arch/x86/trap.c:854

All crashes (848):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro
ci-akaros-main	2018/07/20 21:46	akaros	9196d29a	8cc079c3	.config	log	report	syz	C
ci-akaros-main	2018/07/24 05:33	akaros	c5f7000d	912c93d7	.config	log	report	syz	C
ci-akaros-main	2018/07/22 20:43	akaros	9196d29a	8cc079c3	.config	log	report	syz	C
ci-akaros-main	2018/07/22 16:23	akaros	9196d29a	8cc079c3	.config	log	report	syz	C
ci-akaros-main	2018/07/22 13:33	akaros	9196d29a	8cc079c3	.config	log	report	syz	C
ci-akaros-main	2018/07/21 18:29	akaros	9196d29a	8cc079c3	.config	log	report	syz	C
ci-akaros-main	2018/07/21 15:49	akaros	9196d29a	8cc079c3	.config	log	report	syz	C
ci-akaros-main	2018/09/11 18:27	akaros	09363dc1	4ae17b1f	.config	log	report	syz
ci-akaros-main	2018/09/10 07:02	akaros	09363dc1	6b5120a4	.config	log	report	syz
ci-akaros-main	2018/09/02 23:39	akaros	09363dc1	8d971420	.config	log	report	syz
ci-akaros-main	2018/08/12 20:10	akaros	8b21413c	7a88b141	.config	log	report	syz
ci-akaros-main	2018/08/08 04:43	akaros	8b21413c	1beb8136	.config	log	report	syz
ci-akaros-main	2018/08/05 08:32	akaros	8b21413c	3476a2df	.config	log	report	syz
ci-akaros-main	2018/07/31 18:17	akaros	6f34e34a	1a381291	.config	log	report	syz
ci-akaros-main	2019/08/18 16:05	akaros	baa96264	55bf8926	.config	log	report
ci-akaros-main	2019/08/17 08:45	akaros	baa96264	8fd428a1	.config	log	report
ci-akaros-main	2019/08/16 19:09	akaros	baa96264	8fd428a1	.config	log	report
ci-akaros-main	2019/08/16 09:50	akaros	baa96264	8fd428a1	.config	log	report
ci-akaros-main	2019/08/15 18:31	akaros	baa96264	faeffb00	.config	log	report
ci-akaros-main	2019/08/14 23:07	akaros	baa96264	5576551b	.config	log	report
ci-akaros-main	2019/08/14 07:18	akaros	9855c4bd	ef801a3e	.config	log	report
ci-akaros-main	2019/08/13 16:31	akaros	9855c4bd	74d61399	.config	log	report
ci-akaros-main	2019/08/13 00:53	akaros	9855c4bd	8620c2c2	.config	log	report
ci-akaros-main	2019/08/12 16:52	akaros	9855c4bd	8620c2c2	.config	log	report
ci-akaros-main	2019/08/11 14:04	akaros	9855c4bd	acb51638	.config	log	report
ci-akaros-main	2019/08/11 11:22	akaros	9855c4bd	acb51638	.config	log	report
ci-akaros-main	2019/08/10 09:18	akaros	9855c4bd	acb51638	.config	log	report
ci-akaros-main	2019/08/10 07:08	akaros	9855c4bd	acb51638	.config	log	report
ci-akaros-main	2019/08/09 08:55	akaros	9855c4bd	ede31a9b	.config	log	report
ci-akaros-main	2019/08/07 09:48	akaros	9855c4bd	cdde7486	.config	log	report
ci-akaros-main	2019/08/06 21:47	akaros	9855c4bd	da562c0b	.config	log	report
ci-akaros-main	2019/08/06 11:54	akaros	9855c4bd	6affd8e8	.config	log	report
ci-akaros-main	2019/08/05 17:14	akaros	9855c4bd	6affd8e8	.config	log	report
ci-akaros-main	2019/08/05 08:31	akaros	9855c4bd	6affd8e8	.config	log	report
ci-akaros-main	2019/08/05 04:32	akaros	9855c4bd	6affd8e8	.config	log	report
ci-akaros-main	2019/08/04 22:51	akaros	9855c4bd	6affd8e8	.config	log	report
ci-akaros-main	2019/08/04 18:04	akaros	9855c4bd	6affd8e8	.config	log	report
ci-akaros-main	2019/08/04 05:28	akaros	9855c4bd	6affd8e8	.config	log	report
ci-akaros-main	2019/08/04 03:37	akaros	9855c4bd	6affd8e8	.config	log	report
ci-akaros-main	2019/08/03 22:26	akaros	9855c4bd	6affd8e8	.config	log	report
ci-akaros-main	2019/08/03 19:39	akaros	9855c4bd	6affd8e8	.config	log	report
ci-akaros-main	2019/08/03 06:51	akaros	9855c4bd	6affd8e8	.config	log	report
ci-akaros-main	2019/08/02 22:01	akaros	9855c4bd	3faab807	.config	log	report
ci-akaros-main	2019/08/02 17:59	akaros	9855c4bd	3faab807	.config	log	report
ci-akaros-main	2019/08/02 11:32	akaros	9855c4bd	835dffe7	.config	log	report
ci-akaros-main	2019/08/02 09:47	akaros	9855c4bd	835dffe7	.config	log	report
ci-akaros-main	2019/08/02 05:28	akaros	9855c4bd	835dffe7	.config	log	report
ci-akaros-main	2019/08/01 13:49	akaros	9855c4bd	835dffe7	.config	log	report
ci-akaros-main	2019/08/01 12:15	akaros	9855c4bd	835dffe7	.config	log	report
ci-akaros-main	2019/08/01 07:41	akaros	9855c4bd	c692b5bd	.config	log	report
ci-akaros-main	2019/08/01 03:05	akaros	9855c4bd	c692b5bd	.config	log	report
ci-akaros-main	2019/08/01 00:18	akaros	9855c4bd	c692b5bd	.config	log	report
ci-akaros-main	2019/07/31 19:22	akaros	9855c4bd	995b2a26	.config	log	report
ci-akaros-main	2019/07/31 13:33	akaros	9855c4bd	995b2a26	.config	log	report
ci-akaros-main	2019/07/31 09:18	akaros	9855c4bd	7c7ded69	.config	log	report
ci-akaros-main	2019/07/30 23:20	akaros	9855c4bd	7c7ded69	.config	log	report
ci-akaros-main	2019/07/30 12:16	akaros	9855c4bd	f28bf2a5	.config	log	report
ci-akaros-main	2019/07/30 09:40	akaros	9855c4bd	f28bf2a5	.config	log	report
ci-akaros-main	2019/07/30 06:17	akaros	9855c4bd	f67095ee	.config	log	report
ci-akaros-main	2019/07/30 00:34	akaros	9855c4bd	f67095ee	.config	log	report
ci-akaros-main	2019/07/29 16:32	akaros	9855c4bd	f67095ee	.config	log	report
ci-akaros-main	2019/07/29 14:00	akaros	9855c4bd	f67095ee	.config	log	report
ci-akaros-main	2018/07/18 18:34	akaros	bf9a9ba0	49f35839	.config	log	report