binder: 28587:28588 transaction failed 29189/-22, size 24-8 line 3018 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28556 at fs/block_dev.c:1634 blkdev_put+0x4c8/0x560 fs/block_dev.c:1634 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 28556 Comm: syz-executor7 Not tainted 4.9.110-g00a0bcb #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c91f7ab0 ffffffff81eb2329 ffffffff83c48960 00000000ffffffff 0000000000000000 0000000000000000 0000000000000662 ffff8801c91f7b70 ffffffff81421925 0000000041b58ab3 ffffffff843ba880 ffffffff81421766Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] panic+0x1bf/0x3bc kernel/panic.c:179 [] __warn.cold.9+0xc1/0x17f kernel/panic.c:542 [] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585 [] blkdev_put+0x4c8/0x560 fs/block_dev.c:1634 [] blkdev_close+0x8b/0xb0 fs/block_dev.c:1670 [] __fput+0x263/0x700 fs/file_table.c:208 [] ____fput+0x15/0x20 fs/file_table.c:244 [] task_work_run+0x10c/0x180 kernel/task_work.c:116 [] exit_task_work include/linux/task_work.h:21 [inline] [] do_exit+0x9e1/0x27c0 kernel/exit.c:837 [] do_group_exit+0x111/0x340 kernel/exit.c:941 [] SYSC_exit_group kernel/exit.c:952 [inline] [] SyS_exit_group+0x1d/0x20 kernel/exit.c:950 [] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..