[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.336482][ T27] audit: type=1800 audit(1576209673.751:25): pid=8807 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.364878][ T27] audit: type=1800 audit(1576209673.751:26): pid=8807 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.418888][ T27] audit: type=1800 audit(1576209673.761:27): pid=8807 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 692.738146][T10744] ================================================================== [ 692.738250][T10744] BUG: KASAN: use-after-free in n_tty_receive_buf_common+0x270f/0x2b70 [ 692.738262][T10744] Read of size 1 at addr ffff88809ff2f9c0 by task syz-executor224/10744 [ 692.738266][T10744] [ 692.738281][T10744] CPU: 0 PID: 10744 Comm: syz-executor224 Not tainted 5.5.0-rc1-syzkaller #0 [ 692.738289][T10744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 692.738293][T10744] Call Trace: [ 692.738364][T10744] dump_stack+0x197/0x210 [ 692.738380][T10744] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 692.738419][T10744] print_address_description.constprop.0.cold+0xd4/0x30b [ 692.738432][T10744] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 692.738446][T10744] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 692.738459][T10744] __kasan_report.cold+0x1b/0x41 [ 692.738476][T10744] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 692.738492][T10744] kasan_report+0x12/0x20 [ 692.738506][T10744] __asan_report_load1_noabort+0x14/0x20 [ 692.738520][T10744] n_tty_receive_buf_common+0x270f/0x2b70 [ 692.738533][T10744] ? __kasan_check_read+0x11/0x20 [ 692.738565][T10744] n_tty_receive_buf2+0x34/0x40 [ 692.738582][T10744] tty_ldisc_receive_buf+0xad/0x1c0 [ 692.738614][T10744] ? add_wait_queue+0x112/0x170 [ 692.738627][T10744] ? n_tty_receive_buf_common+0x2b70/0x2b70 [ 692.738664][T10744] paste_selection+0x1ff/0x460 [ 692.738682][T10744] ? vcs_remove_sysfs+0x60/0x60 [ 692.738701][T10744] ? lock_downgrade+0x920/0x920 [ 692.738737][T10744] ? wake_up_q+0x140/0x140 [ 692.738785][T10744] tioclinux+0x133/0x480 [ 692.738802][T10744] vt_ioctl+0x1a41/0x26d0 [ 692.738819][T10744] ? complete_change_console+0x3a0/0x3a0 [ 692.738830][T10744] ? lock_downgrade+0x920/0x920 [ 692.738875][T10744] ? rwlock_bug.part.0+0x90/0x90 [ 692.738913][T10744] ? tomoyo_path_number_perm+0x214/0x520 [ 692.738927][T10744] ? find_held_lock+0x35/0x130 [ 692.738942][T10744] ? tomoyo_path_number_perm+0x214/0x520 [ 692.738980][T10744] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 692.738996][T10744] ? tty_jobctrl_ioctl+0x50/0xd40 [ 692.739012][T10744] ? complete_change_console+0x3a0/0x3a0 [ 692.739029][T10744] tty_ioctl+0xa37/0x14f0 [ 692.739046][T10744] ? tty_vhangup+0x30/0x30 [ 692.739059][T10744] ? tomoyo_path_number_perm+0x454/0x520 [ 692.739078][T10744] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 692.739092][T10744] ? tomoyo_path_number_perm+0x25e/0x520 [ 692.739108][T10744] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 692.739139][T10744] ? tty_vhangup+0x30/0x30 [ 692.739177][T10744] do_vfs_ioctl+0x977/0x14e0 [ 692.739195][T10744] ? compat_ioctl_preallocate+0x220/0x220 [ 692.739211][T10744] ? kmem_cache_free+0x26b/0x320 [ 692.739249][T10744] ? putname+0xf4/0x130 [ 692.739289][T10744] ? do_sys_open+0x31d/0x5d0 [ 692.739331][T10744] ? tomoyo_file_ioctl+0x23/0x30 [ 692.739345][T10744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.739370][T10744] ? security_file_ioctl+0x8d/0xc0 [ 692.739380][T10744] ksys_ioctl+0xab/0xd0 [ 692.739390][T10744] __x64_sys_ioctl+0x73/0xb0 [ 692.739424][T10744] do_syscall_64+0xfa/0x790 [ 692.739456][T10744] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 692.739464][T10744] RIP: 0033:0x441339 [ 692.739473][T10744] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 692.739477][T10744] RSP: 002b:00007ffea268f6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 692.739486][T10744] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441339 [ 692.739491][T10744] RDX: 0000000020000000 RSI: 000000000000541c RDI: 0000000000000004 [ 692.739496][T10744] RBP: 00000000000a91a5 R08: 000000000000000d R09: 00000000004002c8 [ 692.739500][T10744] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004020b0 [ 692.739505][T10744] R13: 0000000000402140 R14: 0000000000000000 R15: 0000000000000000 [ 692.739516][T10744] [ 692.739520][T10744] Allocated by task 10748: [ 692.739527][T10744] save_stack+0x23/0x90 [ 692.739534][T10744] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 692.739540][T10744] kasan_kmalloc+0x9/0x10 [ 692.739546][T10744] __kmalloc+0x163/0x770 [ 692.739553][T10744] set_selection_kernel+0x872/0x13b0 [ 692.739559][T10744] set_selection_user+0x95/0xd9 [ 692.739566][T10744] tioclinux+0x11c/0x480 [ 692.739573][T10744] vt_ioctl+0x1a41/0x26d0 [ 692.739579][T10744] tty_ioctl+0xa37/0x14f0 [ 692.739585][T10744] do_vfs_ioctl+0x977/0x14e0 [ 692.739591][T10744] ksys_ioctl+0xab/0xd0 [ 692.739597][T10744] __x64_sys_ioctl+0x73/0xb0 [ 692.739604][T10744] do_syscall_64+0xfa/0x790 [ 692.739612][T10744] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 692.739614][T10744] [ 692.739617][T10744] Freed by task 10749: [ 692.739623][T10744] save_stack+0x23/0x90 [ 692.739629][T10744] __kasan_slab_free+0x102/0x150 [ 692.739636][T10744] kasan_slab_free+0xe/0x10 [ 692.739641][T10744] kfree+0x10a/0x2c0 [ 692.739647][T10744] set_selection_kernel+0x88f/0x13b0 [ 692.739653][T10744] set_selection_user+0x95/0xd9 [ 692.739660][T10744] tioclinux+0x11c/0x480 [ 692.739667][T10744] vt_ioctl+0x1a41/0x26d0 [ 692.739673][T10744] tty_ioctl+0xa37/0x14f0 [ 692.739679][T10744] do_vfs_ioctl+0x977/0x14e0 [ 692.739685][T10744] ksys_ioctl+0xab/0xd0 [ 692.739691][T10744] __x64_sys_ioctl+0x73/0xb0 [ 692.739698][T10744] do_syscall_64+0xfa/0x790 [ 692.739705][T10744] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 692.739707][T10744] [ 692.739713][T10744] The buggy address belongs to the object at ffff88809ff2f9c0 [ 692.739713][T10744] which belongs to the cache kmalloc-32 of size 32 [ 692.739720][T10744] The buggy address is located 0 bytes inside of [ 692.739720][T10744] 32-byte region [ffff88809ff2f9c0, ffff88809ff2f9e0) [ 692.739723][T10744] The buggy address belongs to the page: [ 692.739731][T10744] page:ffffea00027fcbc0 refcount:1 mapcount:0 mapping:ffff8880aa4001c0 index:0xffff88809ff2ffc1 [ 692.739743][T10744] raw: 00fffe0000000200 ffffea00026ecdc8 ffffea0002a28908 ffff8880aa4001c0 [ 692.739751][T10744] raw: ffff88809ff2ffc1 ffff88809ff2f000 000000010000003f 0000000000000000 [ 692.739756][T10744] page dumped because: kasan: bad access detected [ 692.739763][T10744] [ 692.739766][T10744] Memory state around the buggy address: [ 692.739772][T10744] ffff88809ff2f880: 00 03 fc fc fc fc fc fc fb fb fb fb fc fc fc fc [ 692.739778][T10744] ffff88809ff2f900: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc [ 692.739784][T10744] >ffff88809ff2f980: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc [ 692.739787][T10744] ^ [ 692.739792][T10744] ffff88809ff2fa00: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc [ 692.739798][T10744] ffff88809ff2fa80: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc [ 692.739801][T10744] ================================================================== [ 692.739804][T10744] Disabling lock debugging due to kernel taint [ 692.739828][T10744] Kernel panic - not syncing: panic_on_warn set ... [ 692.739841][T10744] CPU: 0 PID: 10744 Comm: syz-executor224 Tainted: G B 5.5.0-rc1-syzkaller #0 [ 692.739848][T10744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 692.739851][T10744] Call Trace: [ 692.739864][T10744] dump_stack+0x197/0x210 [ 692.739906][T10744] panic+0x2e3/0x75c [ 692.739914][T10744] ? add_taint.cold+0x16/0x16 [ 692.739954][T10744] ? trace_hardirqs_on+0x5e/0x240 [ 692.739961][T10744] ? trace_hardirqs_on+0x5e/0x240 [ 692.739970][T10744] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 692.739977][T10744] end_report+0x47/0x4f [ 692.739984][T10744] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 692.739997][T10744] __kasan_report.cold+0xe/0x41 [ 692.740005][T10744] ? n_tty_receive_buf_common+0x270f/0x2b70 [ 692.740013][T10744] kasan_report+0x12/0x20 [ 692.740026][T10744] __asan_report_load1_noabort+0x14/0x20 [ 692.740040][T10744] n_tty_receive_buf_common+0x270f/0x2b70 [ 692.740051][T10744] ? __kasan_check_read+0x11/0x20 [ 692.740075][T10744] n_tty_receive_buf2+0x34/0x40 [ 692.740088][T10744] tty_ldisc_receive_buf+0xad/0x1c0 [ 692.740099][T10744] ? add_wait_queue+0x112/0x170 [ 692.740111][T10744] ? n_tty_receive_buf_common+0x2b70/0x2b70 [ 692.740122][T10744] paste_selection+0x1ff/0x460 [ 692.740135][T10744] ? vcs_remove_sysfs+0x60/0x60 [ 692.740146][T10744] ? lock_downgrade+0x920/0x920 [ 692.740159][T10744] ? wake_up_q+0x140/0x140 [ 692.740175][T10744] tioclinux+0x133/0x480 [ 692.740188][T10744] vt_ioctl+0x1a41/0x26d0 [ 692.740202][T10744] ? complete_change_console+0x3a0/0x3a0 [ 692.740212][T10744] ? lock_downgrade+0x920/0x920 [ 692.740224][T10744] ? rwlock_bug.part.0+0x90/0x90 [ 692.740237][T10744] ? tomoyo_path_number_perm+0x214/0x520 [ 692.740247][T10744] ? find_held_lock+0x35/0x130 [ 692.740259][T10744] ? tomoyo_path_number_perm+0x214/0x520 [ 692.740271][T10744] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 692.740282][T10744] ? tty_jobctrl_ioctl+0x50/0xd40 [ 692.740294][T10744] ? complete_change_console+0x3a0/0x3a0 [ 692.740307][T10744] tty_ioctl+0xa37/0x14f0 [ 692.740319][T10744] ? tty_vhangup+0x30/0x30 [ 692.740331][T10744] ? tomoyo_path_number_perm+0x454/0x520 [ 692.740345][T10744] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 692.740357][T10744] ? tomoyo_path_number_perm+0x25e/0x520 [ 692.740371][T10744] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 692.740392][T10744] ? tty_vhangup+0x30/0x30 [ 692.740404][T10744] do_vfs_ioctl+0x977/0x14e0 [ 692.740418][T10744] ? compat_ioctl_preallocate+0x220/0x220 [ 692.740431][T10744] ? kmem_cache_free+0x26b/0x320 [ 692.740444][T10744] ? putname+0xf4/0x130 [ 692.740456][T10744] ? do_sys_open+0x31d/0x5d0 [ 692.740469][T10744] ? tomoyo_file_ioctl+0x23/0x30 [ 692.740481][T10744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.740492][T10744] ? security_file_ioctl+0x8d/0xc0 [ 692.740504][T10744] ksys_ioctl+0xab/0xd0 [ 692.740517][T10744] __x64_sys_ioctl+0x73/0xb0 [ 692.740531][T10744] do_syscall_64+0xfa/0x790 [ 692.740546][T10744] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 692.740556][T10744] RIP: 0033:0x441339 [ 692.740569][T10744] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 692.740575][T10744] RSP: 002b:00007ffea268f6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 692.740587][T10744] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441339 [ 692.740593][T10744] RDX: 0000000020000000 RSI: 000000000000541c RDI: 0000000000000004 [ 692.740600][T10744] RBP: 00000000000a91a5 R08: 000000000000000d R09: 00000000004002c8 [ 692.740608][T10744] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004020b0 [ 692.740615][T10744] R13: 0000000000402140 R14: 0000000000000000 R15: 0000000000000000 [ 692.742257][T10744] Kernel Offset: disabled