R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(depth <= 0) WARNING: CPU: 0 PID: 7214 at kernel/locking/lockdep.c:3961 __lock_release kernel/locking/lockdep.c:3961 [inline] WARNING: CPU: 0 PID: 7214 at kernel/locking/lockdep.c:3961 lock_release+0x613/0x8b0 kernel/locking/lockdep.c:4230 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7214 Comm: syz-executor.0 Not tainted 5.1.0-rc4+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x113/0x167 lib/dump_stack.c:113 panic+0x212/0x41d kernel/panic.c:214 __warn.cold.8+0x1b/0x36 kernel/panic.c:571 report_bug+0x1a4/0x200 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:__lock_release kernel/locking/lockdep.c:3961 [inline] RIP: 0010:lock_release+0x613/0x8b0 kernel/locking/lockdep.c:4230 Code: 03 38 d0 7c 08 84 d2 0f 85 a3 02 00 00 8b 35 c8 ce 83 07 85 f6 75 15 48 c7 c6 20 af ea 86 48 c7 c7 80 7e ea 86 e8 40 f6 ec ff <0f> 0b 48 8b 95 70 ff ff ff 4c 89 ee 4c 89 f7 e8 69 56 ff ff e9 df RSP: 0018:ffff888090407a98 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 1ffff11012080f57 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 RBP: ffff888090407b40 R08: fffffbfff10328a1 R09: fffffbfff10328a0 R10: fffffbfff10328a0 R11: ffffffff88194503 R12: ffffffff89cc6a20 R13: ffffffff89ccbab8 R14: ffff8880915fc100 R15: ffff8880915fc978 percpu_up_read.constprop.43+0xa6/0xd0 include/linux/percpu-rwsem.h:92 cgroup_threadgroup_change_end include/linux/cgroup-defs.h:712 [inline] copy_process.part.39+0x4b3d/0x70f0 kernel/fork.c:2214 copy_process kernel/fork.c:1764 [inline] _do_fork+0x160/0xb90 kernel/fork.c:2325 __do_compat_sys_x86_clone arch/x86/ia32/sys_ia32.c:240 [inline] __se_compat_sys_x86_clone arch/x86/ia32/sys_ia32.c:236 [inline] __ia32_compat_sys_x86_clone+0xb7/0x140 arch/x86/ia32/sys_ia32.c:236 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x23b/0xa60 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7ff0849 Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f7fec0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000000003ffc RCX: 0000000000000000 RDX: 00000000200005c0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..