binder: 5619:5651 got reply transaction with no transaction stack
binder: 5619:5651 transaction failed 29201/-71, size 24-0 line 2690
==================================================================
BUG: KASAN: use-after-free in mon_bin_vma_fault+0x378/0x400 drivers/usb/mon/mon_bin.c:1238
Read of size 8 at addr ffff8801ca264580 by task syz-executor6/5661
CPU: 1 PID: 5661 Comm: syz-executor6 Not tainted 4.15.0-rc5+ #237
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+0x194/0x257 lib/dump_stack.c:53
print_address_description+0x73/0x250 mm/kasan/report.c:252
kasan_report_error mm/kasan/report.c:351 [inline]
kasan_report+0x25b/0x340 mm/kasan/report.c:409
__asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:430
mon_bin_vma_fault+0x378/0x400 drivers/usb/mon/mon_bin.c:1238
__do_fault+0xeb/0x30f mm/memory.c:3196
do_read_fault mm/memory.c:3606 [inline]
do_fault mm/memory.c:3706 [inline]
handle_pte_fault mm/memory.c:3937 [inline]
__handle_mm_fault+0x1d8f/0x3ce0 mm/memory.c:4061
handle_mm_fault+0x334/0x8d0 mm/memory.c:4098
faultin_page mm/gup.c:502 [inline]
__get_user_pages+0x50c/0x15f0 mm/gup.c:699
populate_vma_page_range+0x20e/0x2f0 mm/gup.c:1216
__mm_populate+0x23a/0x450 mm/gup.c:1266
mm_populate include/linux/mm.h:2226 [inline]
vm_mmap_pgoff+0x241/0x280 mm/util.c:338
SYSC_mmap_pgoff mm/mmap.c:1533 [inline]
SyS_mmap_pgoff+0x462/0x5f0 mm/mmap.c:1491
SYSC_mmap arch/x86/kernel/sys_x86_64.c:100 [inline]
SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:91
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452ac9
RSP: 002b:00007f26fdd22c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9
RDX: 0000000001000004 RSI: 0000000000004000 RDI: 0000000020ac6000
RBP: 000000000000039b R08: 0000000000000013 R09: 0000000000000000
R10: 0000000000008011 R11: 0000000000000212 R12: 00000000006f2728
R13: 00000000ffffffff R14: 00007f26fdd236d4 R15: 0000000000000000
Allocated by task 5661:
save_stack+0x43/0xd0 mm/kasan/kasan.c:447
set_track mm/kasan/kasan.c:459 [inline]
kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:551
__do_kmalloc mm/slab.c:3708 [inline]
__kmalloc+0x162/0x760 mm/slab.c:3717
kmalloc include/linux/slab.h:504 [inline]
kzalloc include/linux/slab.h:688 [inline]
mon_bin_ioctl+0x558/0xd40 drivers/usb/mon/mon_bin.c:1025
vfs_ioctl fs/ioctl.c:46 [inline]
do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
entry_SYSCALL_64_fastpath+0x1f/0x96
Freed by task 5664:
save_stack+0x43/0xd0 mm/kasan/kasan.c:447
set_track mm/kasan/kasan.c:459 [inline]
kasan_slab_free+0x71/0xc0 mm/kasan/kasan.c:524
__cache_free mm/slab.c:3488 [inline]
kfree+0xd6/0x260 mm/slab.c:3803
mon_bin_ioctl+0x68d/0xd40 drivers/usb/mon/mon_bin.c:1040
vfs_ioctl fs/ioctl.c:46 [inline]
do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
entry_SYSCALL_64_fastpath+0x1f/0x96
The buggy address belongs to the object at ffff8801ca264580
which belongs to the cache kmalloc-256 of size 256
The buggy address is located 0 bytes inside of
256-byte region [ffff8801ca264580, ffff8801ca264680)
The buggy address belongs to the page:
page:000000008421bab5 count:1 mapcount:0 mapping:00000000c0e9af92 index:0x0
flags: 0x2fffc0000000100(slab)
raw: 02fffc0000000100 ffff8801ca264080 0000000000000000 000000010000000c
raw: ffffea000728f6e0 ffffea0007264b60 ffff8801db0007c0 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8801ca264480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8801ca264500: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff8801ca264580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8801ca264600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8801ca264680: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
==================================================================