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possible deadlock (4)

Status: closed as dup on 2018/01/15 08:48
Reported-by: syzbot+a9b2d0e21403c12cb074@syzkaller.appspotmail.com
First crash: 2505d, last: 2487d
▶ ▼ Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
possible deadlock in shmem_file_llseek mm C 4432 2446d 2510d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
possible deadlock (4) 1 (2) 2018/01/15 08:48
▶ ▼ Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-44 possible deadlock 3 2488d 2490d 0/2 auto-closed as invalid on 2019/02/22 12:31
upstream possible deadlock (3) C 2 2510d 2510d 0/28 closed as invalid on 2018/01/10 08:57
android-49 possible deadlock 11 2484d 2527d 0/3 auto-closed as invalid on 2019/02/22 14:55
upstream possible deadlock (2) crypto 2 2538d 2540d 3/28 fixed on 2018/01/03 02:35
upstream possible deadlock 1 2563d 2563d 0/28 closed as invalid on 2017/11/18 10:19

Sample crash report:
audit: type=1400 audit(1516882300.336:8): avc:  denied  { map } for  pid=3663 comm="syzkaller802979" path="/dev/ashmem" dev="devtmpfs" ino=8895 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:device_t:s0 tclass=chr_file permissive=1

======================================================
WARNING: possible circular locking dependency detected
4.15.0-rc9+ #279 Not tainted
------------------------------------------------------

Crashes (19):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/01/25 12:13 upstream 5b7d27967dab 6b2a715e .config console log report syz C ci-upstream-kasan-gce
2018/01/21 19:47 upstream d517bb79f499 fbbdcd92 .config console log report syz C ci-upstream-kasan-gce
2018/01/18 04:10 upstream 88dc7fca1800 b8970f31 .config console log report syz C ci-upstream-kasan-gce
2018/01/17 07:23 upstream 41aa5e5d712b a46e5318 .config console log report syz C ci-upstream-kasan-gce
2018/01/16 09:34 upstream a8750ddca918 4198e588 .config console log report syz C ci-upstream-kasan-gce
2018/01/14 18:04 upstream 2c1cfa499018 66d492a6 .config console log report syz C ci-upstream-kasan-gce
2018/01/30 14:53 upstream 6304672b7f0a a899be78 .config console log report syz C ci-upstream-kasan-gce-386
2018/01/30 08:52 upstream 6304672b7f0a 08d47756 .config console log report syz C ci-upstream-kasan-gce-386
2018/01/25 11:08 upstream 5b7d27967dab 6b2a715e .config console log report syz C ci-upstream-kasan-gce-386
2018/01/21 19:43 upstream d517bb79f499 fbbdcd92 .config console log report syz C ci-upstream-kasan-gce-386
2018/01/18 04:12 upstream 88dc7fca1800 b8970f31 .config console log report syz C ci-upstream-kasan-gce-386
2018/01/17 06:28 upstream 41aa5e5d712b a46e5318 .config console log report syz C ci-upstream-kasan-gce-386
2018/01/30 04:39 net-next-old 3e3ab9ccca5b 08d47756 .config console log report syz C ci-upstream-net-kasan-gce
2018/01/18 04:12 mmots ce3c209f6733 b8970f31 .config console log report syz C ci-upstream-mmots-kasan-gce
2018/01/17 06:26 mmots ce3c209f6733 a46e5318 .config console log report syz C ci-upstream-mmots-kasan-gce
2018/01/16 09:58 mmots ce3c209f6733 4198e588 .config console log report syz C ci-upstream-mmots-kasan-gce
2018/01/14 18:04 mmots ce3c209f6733 66d492a6 .config console log report syz C ci-upstream-mmots-kasan-gce
2018/01/14 18:03 linux-next 3e53c7415294 66d492a6 .config console log report syz C ci-upstream-next-kasan-gce
2018/02/01 22:54 net-next-old 255442c93843 67bd3383 .config console log report ci-upstream-net-kasan-gce
* Struck through repros no longer work on HEAD.