------------[ cut here ]------------ WARNING: CPU: 1 PID: 3049 at kernel/locking/rtmutex-debug.c:142 debug_rt_mutex_unlock+0xd4/0x100 kernel/locking/rtmutex-debug.c:142() DEBUG_LOCKS_WARN_ON(rt_mutex_owner(lock) != current) Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3049 Comm: syz-executor.5 Not tainted 4.4.174+ #17 0000000000000000 d3d30f1c1a958b78 ffff8801d9d77628 ffffffff81aad1a1 ffff8801d9d77778 ffffffff82835ee0 ffffffff82851320 000000000000008e ffffffff8120e084 ffff8801d9d77708 ffffffff813a48c2 0000000041b58ab3 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] panic+0x1b9/0x37b kernel/panic.c:112 [] warn_slowpath_common kernel/panic.c:455 [inline] [] warn_slowpath_common.cold+0x20/0x20 kernel/panic.c:435 [] warn_slowpath_fmt+0xbf/0x100 kernel/panic.c:471 [] debug_rt_mutex_unlock+0xd4/0x100 kernel/locking/rtmutex-debug.c:142 [] rt_mutex_slowunlock+0x1e/0x1c0 kernel/locking/rtmutex.c:1332 [] rt_mutex_fastunlock kernel/locking/rtmutex.c:1446 [inline] [] rt_mutex_unlock+0x88/0xf0 kernel/locking/rtmutex.c:1550 [] exit_pi_state_list+0x2af/0x540 kernel/futex.c:913 [] mm_release+0x2e3/0x400 kernel/fork.c:932 [] exit_mm kernel/exit.c:395 [inline] [] do_exit+0x49a/0x2c60 kernel/exit.c:750 [] do_group_exit+0x111/0x300 kernel/exit.c:893 [] get_signal+0x517/0x1570 kernel/signal.c:2321 [] do_signal+0x9c/0x1840 arch/x86/kernel/signal.c:712 [] exit_to_usermode_loop+0x127/0x170 arch/x86/entry/common.c:184 [] prepare_exit_to_usermode arch/x86/entry/common.c:221 [inline] [] syscall_return_slowpath arch/x86/entry/common.c:286 [inline] [] do_syscall_32_irqs_on arch/x86/entry/common.c:336 [inline] [] do_fast_syscall_32+0x7a9/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a Kernel Offset: disabled Rebooting in 86400 seconds..