BUG: unable to handle kernel NULL pointer dereference in corrupted

BUG: unable to handle kernel NULL pointer dereference in corrupted
Status: upstream: reported C repro on 2020/12/07 19:36
Reported-by: syzbot+59eb3e7dfa79860df27c@syzkaller.appspotmail.com
First crash: 81d, last: 21h18m

similar bugs (7):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	BUG: unable to handle kernel NULL pointer dereference in corrupted (5)	C	done	error	3	343d	349d	0/21	upstream: reported C repro on 2020/03/14 06:37
linux-4.19	BUG: unable to handle kernel NULL pointer dereference in corrupted	C			6	2d21h	494d	0/1	upstream: reported C repro on 2019/10/21 15:36
upstream	BUG: unable to handle kernel NULL pointer dereference in corrupted (4)	syz	done	done	1	612d	612d	13/21	fixed on 2019/08/27 17:15
upstream	BUG: unable to handle kernel NULL pointer dereference in corrupted (3)	C			1	781d	781d	12/21	fixed on 2019/03/06 07:43
linux-4.14	BUG: unable to handle kernel NULL pointer dereference in corrupted	C		inconclusive	3	260d	501d	0/1	upstream: reported C repro on 2019/10/14 10:06
upstream	BUG: unable to handle kernel NULL pointer dereference in corrupted (2)	C			1	955d	954d	9/21	fixed on 2018/08/07 13:43
upstream	BUG: unable to handle kernel NULL pointer dereference in corrupted	C			5	994d	994d	9/21	fixed on 2018/07/09 18:05

Sample crash report:

 [0;31m*[0;1;31m*[0m[0;31m*  [0m] A start job is running for dev-ttyS0.device (10s / 1min 30s)[   18.417220][   T22] audit: type=1400 audit(1614312419.650:8): avc:  denied  { execmem } for  pid=337 comm="syz-executor106" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[K[  [0;31m*[0;1;31m*[0m[0;31m* [0m] A start job is running for dev-ttyS0.device (11s / 1min 30s)[K[   [0;31m*[0;1;31m*[0m[0;31m*[0m] A start job is running for dev-ttyS0.device (11s / 1min 30s)[K[    [0;31m*[0;1;31m*[0m] A start job is running for dev-ttyS0.device (12s / 1min 30s)[K[     [0;31m*[0m] A start job is running for dev-ttyS0.device (12s / 1min 30s)[K[    [0;31m*[0;1;31m*[0m] A start job is running for dev-ttyS0.device (13s / 1min 30s)[   20.708915][  T716] BUG: kernel NULL pointer dereference, address: 0000000000000082

Crashes (19):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Title
ci2-android-5-4-kasan	2021/02/26 04:08	android12-5.4	741b0f4b	76f7fc95	.config	log	report	syz	C	BUG: unable to handle kernel NULL pointer dereference in corrupted
ci2-android-5-4-kasan	2021/02/26 03:47	android12-5.4	741b0f4b	76f7fc95	.config	log	report	syz	C	BUG: unable to handle kernel NULL pointer dereference in corrupted
ci2-android-5-4-kasan	2021/02/25 10:39	android12-5.4	fed35c81	fcc6d71b	.config	log	report	syz	C	BUG: unable to handle kernel NULL pointer dereference in corrupted
ci2-android-5-4-kasan	2021/02/08 18:05	android12-5.4	7a1cafd7	2ce644fc	.config	log	report	syz	C	BUG: unable to handle kernel NULL pointer dereference in corrupted
ci2-android-5-4-kasan	2021/02/05 08:34	android12-5.4	1e5f5a14	23a562df	.config	log	report	syz	C	BUG: unable to handle kernel NULL pointer dereference in corrupted
ci2-android-5-4-kasan	2021/01/26 02:14	android12-5.4	18b1db92	52e37319	.config	log	report	syz	C	BUG: unable to handle kernel NULL pointer dereference in corrupted
ci2-android-5-4-kasan	2021/01/20 05:27	android12-5.4	a1843462	63631df1	.config	log	report	syz	C	BUG: unable to handle kernel NULL pointer dereference in corrupted
ci2-android-5-4-kasan	2021/01/15 06:12	android12-5.4	9b928c04	65a7a854	.config	log	report	syz	C
ci2-android-5-4-kasan	2020/12/15 06:50	android12-5.4	2149aa11	97183ed7	.config	log	report	syz	C
ci2-android-5-4-kasan	2020/12/12 18:49	android12-5.4	6d7fe6dc	bca53db9	.config	log	report	syz	C
ci2-android-5-4-kasan	2020/12/11 19:51	android12-5.4	b5ec6824	ba24ffcd	.config	log	report	syz	C
ci2-android-5-4-kasan	2020/12/11 19:38	android12-5.4	b5ec6824	ba24ffcd	.config	log	report	syz	C
ci2-android-5-4-kasan	2020/12/11 19:25	android12-5.4	b5ec6824	ba24ffcd	.config	log	report	syz	C
ci2-android-5-4-kasan	2020/12/11 19:13	android12-5.4	b5ec6824	ba24ffcd	.config	log	report	syz	C
ci2-android-5-4-kasan	2020/12/11 18:59	android12-5.4	b5ec6824	ba24ffcd	.config	log	report	syz	C
ci2-android-5-4-kasan	2020/12/11 18:47	android12-5.4	b5ec6824	ba24ffcd	.config	log	report	syz	C
ci2-android-5-4-kasan	2020/12/11 18:33	android12-5.4	b5ec6824	ba24ffcd	.config	log	report	syz	C
ci2-android-5-4-kasan	2020/12/11 18:21	android12-5.4	b5ec6824	ba24ffcd	.config	log	report	syz	C
ci2-android-5-4-kasan	2020/12/07 19:35	android12-5.4	623a7e96	f80ce148	.config	log	report	syz	C