netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'.
BUG: unable to handle kernel paging request at ffffc90005f6b000
binder_alloc: binder_alloc_mmap_handler: 7690 20000000-20002000 already mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 7690:7699 ioctl 40046207 0 returned -16
mmap: syz-executor5 (7728) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt.
binder: 7690:7717 got transaction to invalid handle
binder: 7690:7717 transaction failed 29201/-22, size 0-8 line 2788
binder_alloc: 7690: binder_alloc_buf, no vma
binder: 7690:7699 transaction failed 29189/-3, size 40-8 line 2903
binder: undelivered TRANSACTION_ERROR: 29189
binder: undelivered TRANSACTION_ERROR: 29201
binder: release 7690:7699 transaction 10 out, still active
binder: unexpected work type, 4, not freed
binder: undelivered TRANSACTION_COMPLETE
binder: undelivered TRANSACTION_ERROR: 29201
binder: send failed reply for transaction 10, target dead
IP: memset_erms+0x9/0x10 arch/x86/lib/memset_64.S:65
PGD 1db12d067 P4D 1db12d067 PUD 1db12e067 PMD 1b1eef067 PTE 0
Oops: 0002 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 7701 Comm: syz-executor1 Not tainted 4.15.0+ #285
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:memset_erms+0x9/0x10 arch/x86/lib/memset_64.S:65
RSP: 0018:ffff8801a227fab8 EFLAGS: 00010246
RAX: fffff52000bef400 RBX: ffffc90005f6b000 RCX: 000000000000f000
RDX: 000000000000f000 RSI: 0000000000000000 RDI: ffffc90005f6b000
RBP: ffff8801a227fad8 R08: 0000000000000000 R09: ffffc90005f6b000
R10: 0000000000001e00 R11: fffff52000bef3ff R12: 000000000000f000
R13: 0000000000000000 R14: 00007ffffffff000 R15: 0000000020914fd8
FS:  00007f39ffce3700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90005f6b000 CR3: 00000001b84ef002 CR4: 00000000001606f0
Call Trace:
 memset include/linux/string.h:329 [inline]
 _copy_from_user+0xe9/0x110 lib/usercopy.c:16
 copy_from_user include/linux/uaccess.h:147 [inline]
 snd_pcm_oss_write2+0x1b6/0x420 sound/core/oss/pcm_oss.c:1302
 snd_pcm_oss_write1 sound/core/oss/pcm_oss.c:1374 [inline]
 snd_pcm_oss_write+0x649/0x880 sound/core/oss/pcm_oss.c:2659
 __vfs_write+0xef/0x970 fs/read_write.c:480
 vfs_write+0x189/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x453299
RSP: 002b:00007f39ffce2c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299
RDX: 00000000fffffdbe RSI: 0000000020904fd8 RDI: 0000000000000013
RBP: 00000000000003d6 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4cb0
R13: 00000000ffffffff R14: 00007f39ffce36d4 R15: 0000000000000000
Code: 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 <f3> aa 4c 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 
RIP: memset_erms+0x9/0x10 arch/x86/lib/memset_64.S:65 RSP: ffff8801a227fab8
CR2: ffffc90005f6b000
---[ end trace 64c0fa1545e27fdf ]---