binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: x86/PAT: syz-executor1:18111 map pfn RAM range req write-combining for [mem 0x18a2f0000-0x18a2f3fff], got write-back (ftrace buffer empty) Modules linked in: CPU: 0 PID: 9993 Comm: kworker/u4:5 Not tainted 4.16.0+ #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: writeback wb_workfn RIP: 0010:dev_name include/linux/device.h:1006 [inline] RIP: 0010:wb_workfn+0x195/0x1770 fs/fs-writeback.c:1936 RSP: 0018:ffff88018729f270 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff814ced35 RDX: 000000000000000a RSI: ffffffff81c943dd RDI: 0000000000000050 RBP: ffff88018729f750 R08: ffff8801cff78740 R09: ffffed003b6046c2 R10: ffffed003b6046c2 R11: ffff8801db023613 R12: 0000000000000001 R13: 1ffff10030e53f37 R14: ffff88018729f728 R15: ffff8801b03e0c58 FS: 0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000930008 CR3: 0000000195401000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: process_one_work+0xc1e/0x1b50 kernel/workqueue.c:2145 process_scheduled_works kernel/workqueue.c:2205 [inline] worker_thread+0xa30/0x1440 kernel/workqueue.c:2284 kthread+0x345/0x410 kernel/kthread.c:238 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:411 Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 ad 14 00 00 48 8b 9b 08 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 50 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 50 14 00 00 4c 8b 63 50 4d 85 e4 0f 84 d0 0e RIP: dev_name include/linux/device.h:1006 [inline] RSP: ffff88018729f270 RIP: wb_workfn+0x195/0x1770 fs/fs-writeback.c:1936 RSP: ffff88018729f270 kasan: CONFIG_KASAN_INLINE enabled ---[ end trace 58a8977397812a61 ]--- kasan: GPF could be caused by NULL-ptr deref or user memory access