===================================== WARNING: bad unlock balance detected! 4.14.103+ #18 Not tainted ------------------------------------- migration/0/11 is trying to release lock (&rq->lock) at: [] migration_cpu_stop+0x2dd/0x430 kernel/sched/core.c:1036 but there are no more locks to release! other info that might help us debug this: 1 lock held by migration/0/11: #0: (&p->pi_lock){-.-.}, at: [] migration_cpu_stop+0xe1/0x430 kernel/sched/core.c:1027 stack backtrace: CPU: 0 PID: 11 Comm: migration/0 Not tainted 4.14.103+ #18 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xb9/0x10e lib/dump_stack.c:53 print_unlock_imbalance_bug kernel/locking/lockdep.c:3548 [inline] print_unlock_imbalance_bug.cold+0x110/0x11f kernel/locking/lockdep.c:3525 netlink: 3 bytes leftover after parsing attributes in process `syz-executor.0'. nla_parse: 1 callbacks suppressed netlink: 3 bytes leftover after parsing attributes in process `syz-executor.1'. kauditd_printk_skb: 927 callbacks suppressed audit: type=1400 audit(1550977579.872:123812): avc: denied { map } for pid=2863 comm="blkid" path="/etc/ld.so.cache" dev="sda1" ino=2503 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 netlink: 3 bytes leftover after parsing attributes in process `syz-executor.1'. audit: type=1400 audit(1550977579.882:123813): avc: denied { map } for pid=2863 comm="blkid" path="/lib/x86_64-linux-gnu/libblkid.so.1.1.0" dev="sda1" ino=2825 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1550977579.882:123814): avc: denied { map } for pid=2863 comm="blkid" path="/lib/x86_64-linux-gnu/libblkid.so.1.1.0" dev="sda1" ino=2825 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1550977579.882:123815): avc: denied { map } for pid=2863 comm="blkid" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1550977579.882:123816): avc: denied { map } for pid=2863 comm="blkid" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1550977579.902:123818): avc: denied { map } for pid=2863 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1550977579.882:123817): avc: denied { map } for pid=2869 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1550977579.902:123819): avc: denied { map } for pid=2863 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1550977579.902:123820): avc: denied { map } for pid=2869 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1550977579.912:123821): avc: denied { map } for pid=2869 comm="blkid" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 netlink: 3 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor.1'. kauditd_printk_skb: 1241 callbacks suppressed audit: type=1400 audit(1550977584.882:125063): avc: denied { map } for pid=3065 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1550977584.882:125064): avc: denied { map } for pid=3065 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1550977584.892:125065): avc: denied { search } for pid=3065 comm="blkid" name="/" dev="sysfs" ino=1 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:zero_device_t:s0 tclass=dir permissive=1 audit: type=1400 audit(1550977584.902:125066): avc: denied { search } for pid=3065 comm="blkid" name="/" dev="sysfs" ino=1 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:zero_device_t:s0 tclass=dir permissive=1 audit: type=1400 audit(1550977584.902:125067): avc: denied { search } for pid=23454 comm="udevd" name="/" dev="sysfs" ino=1 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:zero_device_t:s0 tclass=dir permissive=1 audit: type=1400 audit(1550977584.902:125068): avc: denied { search } for pid=23454 comm="udevd" name="/" dev="sysfs" ino=1 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:zero_device_t:s0 tclass=dir permissive=1 audit: type=1400 audit(1550977584.912:125069): avc: denied { search } for pid=23454 comm="udevd" name="/" dev="sysfs" ino=1 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:zero_device_t:s0 tclass=dir permissive=1 audit: type=1400 audit(1550977584.912:125070): avc: denied { search } for pid=23454 comm="udevd" name="/" dev="sysfs" ino=1 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:zero_device_t:s0 tclass=dir permissive=1 audit: type=1400 audit(1550977584.912:125071): avc: denied { search } for pid=23454 comm="udevd" name="/" dev="sysfs" ino=1 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:zero_device_t:s0 tclass=dir permissive=1 audit: type=1400 audit(1550977584.982:125072): avc: denied { map_create } for pid=3068 comm="syz-executor.2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1