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: 275d, last: 3h07m

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 (517):
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	2019/04/20 07:13	akaros	c2355fc8	b0e8efcb	.config	log	report
ci-akaros-main	2019/04/19 21:54	akaros	c2355fc8	b0e8efcb	.config	log	report
ci-akaros-main	2019/04/19 12:40	akaros	c2355fc8	b0e8efcb	.config	log	report
ci-akaros-main	2019/04/19 09:30	akaros	c2355fc8	b0e8efcb	.config	log	report
ci-akaros-main	2019/04/18 00:57	akaros	c2355fc8	b0e8efcb	.config	log	report
ci-akaros-main	2019/04/17 18:50	akaros	c2355fc8	b0e8efcb	.config	log	report
ci-akaros-main	2019/04/16 09:32	akaros	c2355fc8	505ab413	.config	log	report
ci-akaros-main	2019/04/15 05:11	akaros	c2355fc8	505ab413	.config	log	report
ci-akaros-main	2019/04/14 20:26	akaros	c2355fc8	505ab413	.config	log	report
ci-akaros-main	2019/04/14 00:14	akaros	69c3ccff	c402d8f1	.config	log	report
ci-akaros-main	2019/04/13 10:38	akaros	69c3ccff	c402d8f1	.config	log	report
ci-akaros-main	2019/04/13 03:28	akaros	69c3ccff	c402d8f1	.config	log	report
ci-akaros-main	2019/04/12 08:38	akaros	69c3ccff	8916f5e1	.config	log	report
ci-akaros-main	2019/04/11 14:42	akaros	2f949716	44841b9f	.config	log	report
ci-akaros-main	2019/04/09 14:09	akaros	e696158e	91d50a67	.config	log	report
ci-akaros-main	2019/04/08 16:53	akaros	3ee60886	798a29ec	.config	log	report
ci-akaros-main	2019/04/08 15:17	akaros	3ee60886	798a29ec	.config	log	report
ci-akaros-main	2019/04/08 12:51	akaros	26e4d0b9	c34fde03	.config	log	report
ci-akaros-main	2019/04/05 13:27	akaros	26e4d0b9	40f2363e	.config	log	report
ci-akaros-main	2019/04/05 07:34	akaros	26e4d0b9	e5d1b3ac	.config	log	report
ci-akaros-main	2019/04/04 23:28	akaros	26e4d0b9	e5d1b3ac	.config	log	report
ci-akaros-main	2019/04/04 15:54	akaros	26e4d0b9	6a475fff	.config	log	report
ci-akaros-main	2019/04/03 20:43	akaros	26e4d0b9	dfd3394d	.config	log	report
ci-akaros-main	2019/04/01 18:13	akaros	5fe486ed	44fe9159	.config	log	report
ci-akaros-main	2019/04/01 17:08	akaros	5fe486ed	44fe9159	.config	log	report
ci-akaros-main	2019/03/31 02:04	akaros	5fe486ed	0c624d4d	.config	log	report
ci-akaros-main	2019/03/30 20:23	akaros	5fe486ed	0c624d4d	.config	log	report
ci-akaros-main	2019/03/28 19:02	akaros	b1a39340	f94f56fe	.config	log	report
ci-akaros-main	2019/03/28 07:20	akaros	ea2b9c83	f94f56fe	.config	log	report
ci-akaros-main	2019/03/27 17:30	akaros	e2e76c34	70d776a2	.config	log	report
ci-akaros-main	2019/03/27 16:12	akaros	e2e76c34	70d776a2	.config	log	report
ci-akaros-main	2019/03/27 10:03	akaros	e2e76c34	70d776a2	.config	log	report
ci-akaros-main	2019/03/27 03:17	akaros	e2e76c34	55684ce1	.config	log	report
ci-akaros-main	2019/03/27 00:28	akaros	e2e76c34	55684ce1	.config	log	report
ci-akaros-main	2019/03/25 21:46	akaros	e2e76c34	52a20ba4	.config	log	report
ci-akaros-main	2019/03/25 16:34	akaros	e2e76c34	52a20ba4	.config	log	report
ci-akaros-main	2019/03/24 23:05	akaros	f7e6779c	2c86e0a5	.config	log	report
ci-akaros-main	2019/03/24 19:08	akaros	f7e6779c	acbc5b7d	.config	log	report
ci-akaros-main	2019/03/24 16:32	akaros	f7e6779c	acbc5b7d	.config	log	report
ci-akaros-main	2019/03/23 17:55	akaros	f7e6779c	a2cef203	.config	log	report
ci-akaros-main	2019/03/22 18:52	akaros	f7e6779c	028c0951	.config	log	report
ci-akaros-main	2019/03/21 19:03	akaros	f7e6779c	f6094a8c	.config	log	report
ci-akaros-main	2019/03/21 14:48	akaros	f7e6779c	f6094a8c	.config	log	report
ci-akaros-main	2019/03/21 08:06	akaros	f7e6779c	427ea487	.config	log	report
ci-akaros-main	2019/03/20 15:30	akaros	f7e6779c	b97faf8e	.config	log	report
ci-akaros-main	2019/03/20 09:06	akaros	f7e6779c	2458c1c6	.config	log	report
ci-akaros-main	2019/03/19 00:03	akaros	f7e6779c	46264c32	.config	log	report
ci-akaros-main	2018/07/18 18:34	akaros	bf9a9ba0	49f35839	.config	log	report