lkml.org 
[lkml]   [2024]   [Jan]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectKASAN: null-ptr-deref Read in hfs find init
<div class="__aliyun_email_body_block"><div  style="line-height:1.7;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;color:#000000;"><div  style="clear:both;"><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">Dear concerned.</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">Greetings!</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;text-indent:28.0px;"><span  style="font-family:Calibri;font-size:14.0px;">We are Ubisectech Sirius Team, the vulnerability lab of China ValiantSec.</span><span  style="font-family:宋体;font-size:14.0px;">&nbsp;</span><span  style="font-family:Calibri;font-size:14.0px;">R</span><span  style="font-family:Calibri;font-size:14.0px;">ecently, our team has discovered a </span><span  style="font-family:Calibri;font-size:14.0px;">issue</span><span  style="font-family:宋体;font-size:14.0px;">&nbsp;<span  style="font-family:Calibri;">in Linux</span></span><span  style="font-family:宋体;font-size:14.0px;">&nbsp;<span  style="font-family:Calibri;">kernel 6.7.0-g0dd3ee311255. Attached to the email were a POC file of the issue and a configuration my Linux kernel.</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;text-indent:28.0px;"><span  style="font-family:Calibri;font-size:14.0px;">&nbsp;</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-weight:700;font-family:Calibri;font-size:14.0px;">Stack dump</span><span  style="font-weight:700;font-family:Calibri;font-size:14.0px;">:</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.738375][ T8033] ==================================================================</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.739640][ T8033] BUG: KASAN: null-ptr-deref in hfs_find_init (fs/hfs/bfind.c:21)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.740705][ T8033] Read of size 4 at addr 0000000000000040 by task poc/8033</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.741826][ T8033]</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.742206][ T8033] CPU: 0 PID: 8033 Comm: poc Not tainted 6.7.0-g0dd3ee311255 #6</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.743443][ T8033] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.744820][ T8033] Call Trace:</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.745330][ T8033] &nbsp;&lt;TASK&gt;</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.745779][ T8033] dump_stack_lvl (lib/dump_stack.c:107)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.746508][ T8033] ? hfs_find_init (fs/hfs/bfind.c:21)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.747250][ T8033] kasan_report (mm/kasan/report.c:590)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.747945][ T8033] ? hfs_find_init (fs/hfs/bfind.c:21)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.748714][ T8033] hfs_find_init (fs/hfs/bfind.c:21)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.749426][ T8033] hfs_ext_read_extent (fs/hfs/extent.c:201)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.750221][ T8033] ? hfs_free_extents (fs/hfs/extent.c:192)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.750999][ T8033] ? lock_downgrade (kernel/locking/lockdep.c:5762)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.751799][ T8033] ? do_raw_spin_lock (kernel/locking/spinlock_debug.c:113)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.752614][ T8033] ? spin_bug (kernel/locking/spinlock_debug.c:113)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.753284][ T8033] ? folio_flags.constprop.0 (./include/linux/page-flags.h:316)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.754148][ T8033] hfs_get_block (fs/hfs/extent.c:367)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.754885][ T8033] block_read_full_folio (fs/buffer.c:2400 (discriminator 3))</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.755744][ T8033] ? hfs_extend_file (fs/hfs/extent.c:338)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.756541][ T8033] ? decrypt_bh (fs/buffer.c:2363)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.757246][ T8033] ? folio_flags (./include/linux/page-flags.h:315)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.757956][ T8033] ? preempt_count_sub (kernel/sched/core.c:5865)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.758721][ T8033] ? hfs_bmap (fs/hfs/inode.c:38)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.759375][ T8033] filemap_read_folio (mm/filemap.c:2323)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.760194][ T8033] ? __folio_lock_killable (mm/filemap.c:2308)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.761077][ T8033] ? __filemap_get_folio (mm/filemap.c:1948)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.761895][ T8033] do_read_cache_folio (mm/filemap.c:3701)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.762665][ T8033] ? hfs_bmap (fs/hfs/inode.c:38)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.763318][ T8033] read_cache_page (mm/filemap.c:3767 mm/filemap.c:3775)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.764085][ T8033] hfs_btree_open (fs/hfs/btree.c:79)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.764846][ T8033] hfs_mdb_get (fs/hfs/mdb.c:199)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.765534][ T8033] ? hfs_mdb_put (fs/hfs/mdb.c:74)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.766237][ T8033] ? lockdep_init_map_type (kernel/locking/lockdep.c:4903)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.767104][ T8033] ? lockdep_init_map_type (kernel/locking/lockdep.c:4903)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.767942][ T8033] hfs_fill_super (fs/hfs/super.c:407)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.768668][ T8033] ? hfs_remount (fs/hfs/super.c:379)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.769392][ T8033] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4993)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.770338][ T8033] ? pointer (lib/vsprintf.c:2755)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.771040][ T8033] ? preempt_count_sub (kernel/sched/core.c:5865)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.771871][ T8033] ? __down_write_common (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1309)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.772739][ T8033] ? up_write (kernel/locking/rwsem.c:1301)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.773454][ T8033] ? lock_sync (kernel/locking/lockdep.c:5722)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.774144][ T8033] ? do_raw_spin_lock (kernel/locking/spinlock_debug.c:113)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.775034][ T8033] ? mount_bdev (fs/super.c:1651)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.775780][ T8033] mount_bdev (fs/super.c:1651)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.776466][ T8033] ? hfs_remount (fs/hfs/super.c:379)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.777215][ T8033] ? sget (fs/super.c:1620)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.777886][ T8033] ? selinux_sb_eat_lsm_opts (security/selinux/hooks.c:2633)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.778798][ T8033] ? hfs_statfs (fs/hfs/super.c:455)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.779570][ T8033] legacy_get_tree (fs/fs_context.c:664)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.780333][ T8033] vfs_get_tree (fs/super.c:1772)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.781085][ T8033] path_mount (fs/namespace.c:3338 fs/namespace.c:3664)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.781792][ T8033] ? putname (fs/namei.c:275)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.782462][ T8033] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4423)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.783283][ T8033] ? finish_automount (fs/namespace.c:3591)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.784087][ T8033] ? lock_release (kernel/locking/lockdep.c:5459 kernel/locking/lockdep.c:5774)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.784813][ T8033] ? putname (fs/namei.c:275)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.785462][ T8033] __x64_sys_mount (fs/namespace.c:3678 fs/namespace.c:3886 fs/namespace.c:3863 fs/namespace.c:3863)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.786259][ T8033] ? copy_mnt_ns (fs/namespace.c:3863)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.787008][ T8033] ? syscall_enter_from_user_mode (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/entry/common.c:111)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.787915][ T8033] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.788628][ T8033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.789535][ T8033] RIP: 0033:0x7fe79c66862a</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ 191.790198][ T8033] Code: 48 8b 0d 69 18 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 &lt;48&gt; 3d 01 f0 ff ff 73 01 c3 48 8b 0d 36 18 0d 00 f7 d8 64 89 01 48</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">All code</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">========</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;&nbsp;<span  style="font-family:Calibri;">0: &nbsp;&nbsp;48 8b 0d 69 18 0d 00 &nbsp;&nbsp;&nbsp;mov &nbsp;&nbsp;&nbsp;0xd1869(%rip),%rcx &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;# 0xd1870</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;&nbsp;<span  style="font-family:Calibri;">7: &nbsp;&nbsp;f7 d8 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;neg &nbsp;&nbsp;&nbsp;%eax</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;&nbsp;<span  style="font-family:Calibri;">9: &nbsp;&nbsp;64 89 01 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mov &nbsp;&nbsp;&nbsp;%eax,%fs:(%rcx)</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;&nbsp;<span  style="font-family:Calibri;">c: &nbsp;&nbsp;48 83 c8 ff &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;or &nbsp;&nbsp;&nbsp;&nbsp;$0xffffffffffffffff,%rax</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">10: &nbsp;&nbsp;c3 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ret</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">11: &nbsp;&nbsp;66 2e 0f 1f 84 00 00 &nbsp;&nbsp;&nbsp;cs nopw 0x0(%rax,%rax,1)</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">18: &nbsp;&nbsp;00 00 00</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">1b: &nbsp;&nbsp;0f 1f 44 00 00 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;nopl &nbsp;&nbsp;0x0(%rax,%rax,1)</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">20: &nbsp;&nbsp;49 89 ca &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mov &nbsp;&nbsp;&nbsp;%rcx,%r10</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">23: &nbsp;&nbsp;b8 a5 00 00 00 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mov &nbsp;&nbsp;&nbsp;$0xa5,%eax</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">28: &nbsp;&nbsp;0f 05 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;syscall</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">2a:* &nbsp;48 3d 01 f0 ff ff &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cmp &nbsp;&nbsp;&nbsp;$0xfffffffffffff001,%rax &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;-- trapping instruction</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">30: &nbsp;&nbsp;73 01 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;jae &nbsp;&nbsp;&nbsp;0x33</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">32: &nbsp;&nbsp;c3 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ret</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">33: &nbsp;&nbsp;48 8b 0d 36 18 0d 00 &nbsp;&nbsp;&nbsp;mov &nbsp;&nbsp;&nbsp;0xd1836(%rip),%rcx &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;# 0xd1870</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">3a: &nbsp;&nbsp;f7 d8 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;neg &nbsp;&nbsp;&nbsp;%eax</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">3c: &nbsp;&nbsp;64 89 01 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mov &nbsp;&nbsp;&nbsp;%eax,%fs:(%rcx)</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">3f: &nbsp;&nbsp;48 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;rex.W</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">Code starting with the faulting instruction</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">===========================================</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;&nbsp;<span  style="font-family:Calibri;">0: &nbsp;&nbsp;48 3d 01 f0 ff ff &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cmp &nbsp;&nbsp;&nbsp;$0xfffffffffffff001,%rax</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;&nbsp;<span  style="font-family:Calibri;">6: &nbsp;&nbsp;73 01 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;jae &nbsp;&nbsp;&nbsp;0x9</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;&nbsp;<span  style="font-family:Calibri;">8: &nbsp;&nbsp;c3 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ret</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;&nbsp;<span  style="font-family:Calibri;">9: &nbsp;&nbsp;48 8b 0d 36 18 0d 00 &nbsp;&nbsp;&nbsp;mov &nbsp;&nbsp;&nbsp;0xd1836(%rip),%rcx &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;# 0xd1846</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">10: &nbsp;&nbsp;f7 d8 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;neg &nbsp;&nbsp;&nbsp;%eax</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">12: &nbsp;&nbsp;64 89 01 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mov &nbsp;&nbsp;&nbsp;%eax,%fs:(%rcx)</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;&nbsp;<span  style="font-family:Calibri;">15: &nbsp;&nbsp;48 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;rex.W</span></span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.793168][ T8033] RSP: 002b:00007ffc3233e668 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.794462][ T8033] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe79c66862a</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.795715][ T8033] RDX: 0000000020000040 RSI: 0000000020000140 RDI: 00007ffc3233e7a0</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.796999][ T8033] RBP: 00007ffc3233e830 R08: 00007ffc3233e6a0 R09: 0000000000000000</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.798223][ T8033] R10: 0000000002810880 R11: 0000000000000202 R12: 0000558b4a72f250</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.799492][ T8033] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.800747][ T8033] &nbsp;&lt;/TASK&gt;</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">[ &nbsp;191.801242][ T8033] ==================================================================</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:宋体;font-size:14.0px;">&nbsp;</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">Thank you for taking the time to read this email and we look forward to working with you further.</span></p><p  class="MsoNormal" style="margin:.0px .0px .0px;text-align:justify;font-family:Calibri;font-size:14.0px;"><span  style="font-family:Calibri;font-size:14.0px;">&nbsp;</span></p></div><div  style="clear:both;"><br ></div><div  style="clear:both;"><br ></div><div  style="clear:both;"><div  class=" __aliyun_node_has_color" style="margin:.0px;padding:.0px;border:.0px;outline:.0px;color:#000000;font-family:Helvetica,Tahoma,Arial;font-size:14.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:.0px;text-transform:none;white-space:normal;word-spacing:.0px;text-decoration-thickness:initial;text-decoration-style:initial;text-decoration-color:initial;clear:both;"><span  style="margin:.0px;padding:.0px;border:.0px;outline:.0px;font-size:18.0px;font-family:arial;"><br ></span><div  style="margin:.0px;padding:.0px;border:.0px;outline:.0px;clear:both;"><hr  class=" __aliyun_node_has_bgcolor" style="height:2.0px;overflow:hidden;padding:.0px;background-color:#e7e7e7;border:none;margin:12.0px .0px;"></div><div  style="margin:.0px;padding:.0px;border:.0px;outline:.0px;clear:both;"><span  style="margin:.0px;padding:.0px;border:.0px;outline:.0px;font-size:18.0px;font-family:arial;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Ubisectech Sirius Team</span></div><div  style="margin:.0px;padding:.0px;border:.0px;outline:.0px;clear:both;"><span  style="margin:.0px;padding:.0px;border:.0px;outline:.0px;font-size:18.0px;font-family:arial;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Web<span  class=" __aliyun_node_has_color __aliyun_node_has_bgcolor" style="margin:.0px;padding:.0px;border:.0px;outline:.0px;font-family:arial;color:#000000;font-size:18.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:.0px;text-transform:none;word-spacing:.0px;white-space:normal;background-color:#ffffff;text-decoration-thickness:initial;text-decoration-style:initial;text-decoration-color:initial;display:inline;float:none;">:&nbsp;</span>www.ubisectech.com</span></div><span  style="margin:.0px;padding:.0px;border:.0px;outline:.0px;font-size:18.0px;font-family:arial;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Email:&nbsp;bugreport@ubisectech.com</span></div><div  class=" __aliyun_node_has_color" style="margin:.0px;padding:.0px;border:.0px;outline:.0px;color:#000000;font-family:Helvetica,Tahoma,Arial;font-size:14.0px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:.0px;text-transform:none;white-space:normal;word-spacing:.0px;text-decoration-thickness:initial;text-decoration-style:initial;text-decoration-color:initial;clear:both;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<img  height="97" src="cid:__aliyun170478109235370201" width="285" style="vertical-align:bottom;"></div></div><div  style="clear:both;"><br ></div></div></div>[unhandled content-type:application/octet-stream][unhandled content-type:application/octet-stream][unhandled content-type:application/octet-stream]
\
 
 \ /
  Last update: 2024-01-09 07:24    [W:0.037 / U:0.688 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site