WARNING: missing regs for base reg R10 at ip __mutex_lock

Status: public: reported syz repro on 2019/10/22 06:15
Reported-by: syzbot+e236104a07452cac179d@syzkaller.appspotmail.com
First crash: 2501d, last: 2488d
▶ ▼ Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING: missing regs for base reg R10 at ip __mutex_lock -1 1 2350d 2350d 0/1 auto-closed as invalid on 2020/07/19 06:53

Sample crash report:
audit: type=1400 audit(1571722427.041:9): avc:  denied  { map } for  pid=1774 comm="syz-execprog" path="/root/syzkaller-shm327400990" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1
hrtimer: interrupt took 34451 ns
WARNING: missing regs for base reg R10 at ip __mutex_lock+0x2b/0x13e0 kernel/locking/mutex.c:892

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/10/22 05:43 android-4.14 7d642373db4c c59a7cd8 .config console log report syz ci-android-414-kasan-gce-root
2019/11/04 05:17 android-4.14 6409e7e01d11 b35fad31 .config console log report ci-android-414-kasan-gce-root
2019/10/22 05:14 android-4.14 7d642373db4c c59a7cd8 .config console log report ci-android-414-kasan-gce-root
* Struck through repros no longer work on HEAD.