binder: 7124:7127 ioctl 4b35 d054 returned -22
binder: 7124:7127 ERROR: BC_REGISTER_LOOPER called without request
WARNING: CPU: 1 PID: 7128 at mm/page_alloc.c:3550 __alloc_pages_slowpath+0x1136/0x1d90 mm/page_alloc.c:3550
binder: 7124:7127 got reply transaction with no transaction stack
binder: 7124:7127 transaction failed 29201/-71, size 24-8 line 2920
binder_alloc: binder_alloc_mmap_handler: 7124 20000000-20002000 already mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 7124:7127 ioctl 40046207 0 returned -16
binder: 7124:7127 ioctl 4b35 d054 returned -22
binder: 7124:7141 ERROR: BC_REGISTER_LOOPER called without request
binder: 7124:7127 unknown command 76
binder: 7124:7127 ioctl c0306201 2000a000 returned -22
binder: 7124:7141 got reply transaction with no transaction stack
binder: 7124:7141 transaction failed 29201/-71, size 24-8 line 2920
binder: undelivered TRANSACTION_ERROR: 29201
binder: undelivered TRANSACTION_ERROR: 29201
binder: release 7124:7141 transaction 30 out, still active
binder: undelivered TRANSACTION_COMPLETE
binder: release 7124:7127 transaction 30 in, still active
binder: send failed reply for transaction 30, target dead
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 7128 Comm: syz-executor4 Not tainted 4.9.76-g8e170a5 #11
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c72ef6d0 ffffffff81d93149 ffffffff83a47180 ffff8801c72ef7a8
 ffffffff83aa4400 ffffffff81451d16 0000000000000009 ffff8801c72ef798
 ffffffff8142e371 0000000041b58ab3 ffffffff84189678 ffffffff8142e1b5
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8142e371>] panic+0x1bc/0x3a8 kernel/panic.c:179
 [<ffffffff811300f4>] __warn+0x1c4/0x1e0 kernel/panic.c:542
 [<ffffffff8113035c>] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585
 [<ffffffff81451d16>] __alloc_pages_slowpath+0x1136/0x1d90 mm/page_alloc.c:3550
 [<ffffffff81452cab>] __alloc_pages_nodemask+0x33b/0x6b0 mm/page_alloc.c:3857
 [<ffffffff814a607a>] __alloc_pages include/linux/gfp.h:433 [inline]
 [<ffffffff814a607a>] __alloc_pages_node include/linux/gfp.h:446 [inline]
 [<ffffffff814a607a>] alloc_pages_node include/linux/gfp.h:460 [inline]
 [<ffffffff814a607a>] kmalloc_order+0x2a/0x70 mm/slab_common.c:1043
 [<ffffffff814a60df>] kmalloc_order_trace+0x1f/0x190 mm/slab_common.c:1054
 [<ffffffff8153825d>] kmalloc_large include/linux/slab.h:422 [inline]
 [<ffffffff8153825d>] __kmalloc+0x19d/0x310 mm/slub.c:3730
 [<ffffffff82a7a6ae>] kmalloc include/linux/slab.h:495 [inline]
 [<ffffffff82a7a6ae>] kzalloc include/linux/slab.h:636 [inline]
 [<ffffffff82a7a6ae>] keychord_write+0xce/0xbc0 drivers/input/misc/keychord.c:281
 [<ffffffff8156ce33>] __vfs_write+0x103/0x680 fs/read_write.c:510
 [<ffffffff8156eb19>] vfs_write+0x189/0x530 fs/read_write.c:560
 [<ffffffff81572609>] SYSC_write fs/read_write.c:607 [inline]
 [<ffffffff81572609>] SyS_write+0xd9/0x1b0 fs/read_write.c:599
 [<ffffffff838b0aa8>] entry_SYSCALL_64_fastpath+0x23/0xe2
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..