binder: 9347:9349 got transaction with invalid handle, 0 WARNING: CPU: 0 PID: 9288 at kernel/fork.c:651 __put_task_struct+0x136/0x160 kernel/fork.c:651 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9288 Comm: syz-executor3 Not tainted 4.15.0-rc3-next-20171214+ #67 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xe9/0x14b lib/dump_stack.c:53 panic+0x10e/0x2f8 kernel/panic.c:183 __warn+0x14e/0x150 kernel/panic.c:547 report_bug+0x11e/0x1a0 lib/bug.c:184 fixup_bug.part.11+0x17/0x30 arch/x86/kernel/traps.c:177 fixup_bug arch/x86/kernel/traps.c:246 [inline] do_error_trap+0x14a/0x180 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1079 RIP: 0010:__put_task_struct+0x136/0x160 kernel/fork.c:651 RSP: 0018:ffffc90000d57e18 EFLAGS: 00010293 RAX: ffff8801dcd00140 RBX: ffff8801e1c42000 RCX: ffffffff811be336 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801e1c42000 RBP: ffffc90000d57e30 R08: 0000000000000000 R09: 0000000000000004 R10: ffffc90000d57d68 R11: 0000000000000004 R12: ffff8801e206f000 R13: ffff8801e1c42778 R14: ffff8801e1c42048 R15: ffff8801dcd00140 put_task_struct include/linux/sched/task.h:96 [inline] mm_update_next_owner+0x2b8/0x2c0 kernel/exit.c:486 exit_mm kernel/exit.c:543 [inline] do_exit+0x34e/0x1050 kernel/exit.c:856 do_group_exit+0x60/0x100 kernel/exit.c:972 SYSC_exit_group kernel/exit.c:983 [inline] SyS_exit_group+0x18/0x20 kernel/exit.c:981 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:0000000000a6fa08 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000758248 RCX: 0000000000452a39 RDX: 0000000000000002 RSI: 00000000007615c8 RDI: 0000000000000000 RBP: 0000000000000017 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000002b R11: 0000000000000202 R12: 00000000000002fb R13: 0000000000000003 R14: 000000000000aa50 R15: 0000000000000010 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..