KASAN: stack-out-of-bounds Read in debug_check_no_obj

Kernel	Title	Count	Last	Reported	Patched	Status
upstream	KASAN: stack-out-of-bounds Read in debug_check_no_obj_freed fs	1	2126d	2126d	0/26	closed as invalid on 2018/07/06 15:28
upstream	KASAN: stack-out-of-bounds Read in debug_check_no_obj_freed (3) kernel	1	2125d	2125d	0/26	closed as invalid on 2018/07/07 11:48
upstream	KASAN: stack-out-of-bounds Read in debug_check_no_obj_freed (6) kernel	3	1956d	1985d	0/26	auto-closed as invalid on 2019/06/21 01:44
upstream	KASAN: stack-out-of-bounds Read in debug_check_no_obj_freed (5) mm	4	2109d	2115d	8/26	fixed on 2018/08/07 13:43
upstream	KASAN: stack-out-of-bounds Read in debug_check_no_obj_freed (4) mm	1	2124d	2124d	0/26	closed as invalid on 2018/07/08 10:03

================================================================== BUG: KASAN: stack-out-of-bounds in __debug_check_no_obj_freed lib/debugobjects.c:775 [inline] BUG: KASAN: stack-out-of-bounds in debug_check_no_obj_freed+0x467/0x595 lib/debugobjects.c:815 Read of size 8 at addr ffff8801d22d2d90 by task udevd/31943 CPU: 0 PID: 31943 Comm: udevd Not tainted 4.18.0-rc3+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 PANIC: double fault, error_code: 0x0 Call Trace: CPU: 1 PID: 31931 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #1 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0x2e/0x5020 kernel/locking/lockdep.c:3294 Code: 41 57 41 89 cf 41 56 print_address_description+0x6c/0x20b mm/kasan/report.c:256 41 55 49 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412 89 fd __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 41 54 __debug_check_no_obj_freed lib/debugobjects.c:775 [inline] debug_check_no_obj_freed+0x467/0x595 lib/debugobjects.c:815 45 89 cc 53 65 kmem_cache_free+0x216/0x2d0 mm/slab.c:3755 4c 8b remove_vma+0x164/0x1b0 mm/mmap.c:185 34 25 exit_mmap+0x365/0x5b0 mm/mmap.c:3116 40 ee 01 00 __mmput kernel/fork.c:970 [inline] mmput+0x265/0x620 kernel/fork.c:991 48 83 e4 f0 48 81 ec 60 03 00 00 48 8b 45 exec_mmap fs/exec.c:1044 [inline] flush_old_exec+0xbaf/0x2100 fs/exec.c:1276 10 <89> 94 24 80 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 84 24 98 load_elf_binary+0xa33/0x5610 fs/binfmt_elf.c:869 RSP: 0018:ffff8801cf5dfe70 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 1ffff10039ebc04a RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88f92620 RBP: ffff8801cf5e01f8 R08: 0000000000000000 R09: 0000000000000000 R10: ffffed003b5e46d6 R11: ffff8801daf236b3 R12: 0000000000000000 R13: ffffffff88f92620 R14: ffff8801cf1de780 R15: 0000000000000002 FS: 00007f38716e9700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 search_binary_handler+0x17d/0x570 fs/exec.c:1653 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 exec_binprm fs/exec.c:1695 [inline] __do_execve_file.isra.35+0x171d/0x2730 fs/exec.c:1819 CR2: ffff8801cf5dfe68 CR3: 00000001a1adc000 CR4: 00000000001406e0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: