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| 🐞 Open [569] 🐞 Fixed [180] 🐞 Invalid [592] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | KASAN: global-out-of-bounds Read in fbcon_get_font | C | inconclusive | inconclusive | 41 | 680d | 977d | 17/23 | fixed on 2020/11/16 12:12 |
| linux-4.19 | KASAN: global-out-of-bounds Read in fbcon_get_font | C | done | 47 | 673d | 984d | 1/1 | fixed on 2020/11/10 07:26 |
audit: type=1400 audit(1588043166.476:8): avc: denied { execmem } for pid=6335 comm="syz-executor193" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
==================================================================
BUG: KASAN: global-out-of-bounds in memcpy include/linux/string.h:347 [inline]
BUG: KASAN: global-out-of-bounds in fbcon_get_font+0x262/0x530 drivers/video/fbdev/core/fbcon.c:2424
Read of size 31 at addr ffffffff86e6949c by task syz-executor193/6337
CPU: 1 PID: 6337 Comm: syz-executor193 Not tainted 4.14.177-syzkaller #0
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+0x13e/0x194 lib/dump_stack.c:58
print_address_description.cold+0x5/0x1e2 mm/kasan/report.c:252
kasan_report_error mm/kasan/report.c:351 [inline]
kasan_report mm/kasan/report.c:409 [inline]
kasan_report.cold+0xa9/0x2ae mm/kasan/report.c:393
memcpy+0x20/0x50 mm/kasan/kasan.c:302
memcpy include/linux/string.h:347 [inline]
fbcon_get_font+0x262/0x530 drivers/video/fbdev/core/fbcon.c:2424
con_font_get drivers/tty/vt/vt.c:4098 [inline]
con_font_op+0x1c6/0xf70 drivers/tty/vt/vt.c:4249
do_fontx_ioctl drivers/tty/vt/vt_ioctl.c:273 [inline]
vt_ioctl+0x16d2/0x1f20 drivers/tty/vt/vt_ioctl.c:945
tty_ioctl+0x6c5/0x1220 drivers/tty/tty_io.c:2661
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x441289
RSP: 002b:00007ffd9884c5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441289
RDX: 0000000020000000 RSI: 0000000000004b6b RDI: 0000000000000003
RBP: 0000000000008bd7 R08: 000000000000000d R09: 00000000004002c8
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004020b0
R13: 0000000000402140 R14: 0000000000000000 R15: 0000000000000000
The buggy address belongs to the variable:
fontdata_8x16+0xffc/0x1120
Memory state around the buggy address:
ffffffff86e69380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffffffff86e69400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffffff86e69480: 00 00 00 00 fa fa fa fa 06 fa fa fa fa fa fa fa
^
ffffffff86e69500: 05 fa fa fa fa fa fa fa 06 fa fa fa fa fa fa fa
ffffffff86e69580: 00 00 03 fa fa fa fa fa 00 00 00 00 00 00 00 00
==================================================================
| Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ci2-linux-4-14 | 2020/04/28 03:08 | linux-4.14.y | 050272a0423e | 0ce7569e | .config | log | report | syz | C | ||
| ci2-linux-4-14 | 2020/01/01 17:55 | linux-4.14.y | 4c5bf01e16a7 | 25a0186e | .config | log | report | syz | C | ||
| ci2-linux-4-14 | 2019/12/03 12:03 | linux-4.14.y | fbc5fe7a54d0 | ab342da3 | .config | log | report | syz | C | ||
| ci2-linux-4-14 | 2019/12/10 03:36 | linux-4.14.y | a844dc4c5442 | b31eda3d | .config | log | report | syz | |||
| ci2-linux-4-14 | 2020/10/14 12:25 | linux-4.14.y | cbfa1702aaf6 | fc7735a2 | .config | log | report | info | |||
| ci2-linux-4-14 | 2020/10/05 13:46 | linux-4.14.y | cbfa1702aaf6 | 1880b4a9 | .config | log | report | info | |||
| ci2-linux-4-14 | 2020/09/27 15:25 | linux-4.14.y | cbfa1702aaf6 | 5dd8aee8 | .config | log | report | info | |||
| ci2-linux-4-14 | 2020/09/25 08:00 | linux-4.14.y | cbfa1702aaf6 | 54289b08 | .config | log | report | info | |||
| ci2-linux-4-14 | 2020/08/26 18:31 | linux-4.14.y | d7e78d08fa77 | 318430cb | .config | log | report | ||||
| ci2-linux-4-14 | 2020/08/24 10:43 | linux-4.14.y | 6a24ca2506d6 | cef5ae68 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/08/06 20:31 | linux-4.14.y | ca4f2c56d416 | 4ca1c0ea | .config | log | report | ||||
| ci2-linux-4-14 | 2020/08/04 17:07 | linux-4.14.y | 7f2c5eb458b8 | 80a06902 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/07/31 12:02 | linux-4.14.y | e5a54aa2d312 | 8df85ed9 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/07/23 22:29 | linux-4.14.y | 69b94dd6dcd1 | 70c104a1 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/07/06 11:45 | linux-4.14.y | b850307b279c | ac5a135b | .config | log | report | ||||
| ci2-linux-4-14 | 2020/07/04 04:30 | linux-4.14.y | b850307b279c | 51095195 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/07/03 21:33 | linux-4.14.y | b850307b279c | 6e569755 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/07/02 16:36 | linux-4.14.y | b850307b279c | f30c14bf | .config | log | report | ||||
| ci2-linux-4-14 | 2020/06/25 04:38 | linux-4.14.y | b850307b279c | 9d60b18e | .config | log | report | ||||
| ci2-linux-4-14 | 2020/06/22 11:48 | linux-4.14.y | b850307b279c | eabcced4 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/06/17 06:09 | linux-4.14.y | b850307b279c | b9f3810b | .config | log | report | ||||
| ci2-linux-4-14 | 2020/06/13 06:24 | linux-4.14.y | b850307b279c | f4724dd3 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/06/11 21:59 | linux-4.14.y | b850307b279c | 1beaee21 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/06/04 07:21 | linux-4.14.y | c6db52a88798 | b0d1c0d5 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/06/03 05:19 | linux-4.14.y | 4f68020fef1c | f3ba1b5b | .config | log | report | ||||
| ci2-linux-4-14 | 2020/05/29 18:00 | linux-4.14.y | 4f68020fef1c | bed08304 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/05/29 09:29 | linux-4.14.y | 4f68020fef1c | d19ed305 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/05/26 06:26 | linux-4.14.y | a41ba30d9df2 | 8ca3b7d2 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/05/24 09:35 | linux-4.14.y | a41ba30d9df2 | 96c92ad3 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/05/12 11:48 | linux-4.14.y | ab9dfda23248 | a497a5b4 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/05/12 02:43 | linux-4.14.y | ab9dfda23248 | 9eb09c40 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/05/06 04:40 | linux-4.14.y | d71f695ce745 | 35b8eb30 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/04/23 11:18 | linux-4.14.y | c10b57a567e4 | 2e44d63e | .config | log | report | ||||
| ci2-linux-4-14 | 2020/04/10 22:10 | linux-4.14.y | 4520f06b03ae | a8c6a3f8 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/03/21 13:23 | linux-4.14.y | 01364dad1d45 | aa6c6a55 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/02/28 11:28 | linux-4.14.y | 98db2bf27b9e | c88c7b75 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/02/20 21:06 | linux-4.14.y | 98db2bf27b9e | 81230308 | .config | log | report | ||||
| ci2-linux-4-14 | 2020/01/18 13:57 | linux-4.14.y | c1141b3aab36 | 3de7aabb | .config | log | report | ||||
| ci2-linux-4-14 | 2020/01/15 00:40 | linux-4.14.y | c04fc6fa5c96 | fa12bd3c | .config | log | report | ||||
| ci2-linux-4-14 | 2020/01/13 22:22 | linux-4.14.y | 6d0c334a400d | 99565c1a | .config | log | report | ||||
| ci2-linux-4-14 | 2019/12/18 07:22 | linux-4.14.y | bfb9e5c03076 | 64ca0a37 | .config | log | report | ||||
| ci2-linux-4-14 | 2019/12/13 16:38 | linux-4.14.y | a844dc4c5442 | 2a752b7c | .config | log | report |