| Title | Replies (including bot) | Last reply |
|---|---|---|
| KASAN: global-out-of-bounds Read in soft_cursor | 0 (1) | 2019/12/12 08:58 |
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| Title | Replies (including bot) | Last reply |
|---|---|---|
| KASAN: global-out-of-bounds Read in soft_cursor | 0 (1) | 2019/12/12 08:58 |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| linux-4.19 | KASAN: global-out-of-bounds Read in soft_cursor | C | done | 22 | 1307d | 1774d | 1/1 | fixed on 2021/06/24 08:01 | |
| linux-4.14 | KASAN: global-out-of-bounds Read in soft_cursor | C | error | 19 | 834d | 1833d | 0/1 | upstream: reported C repro on 2019/12/16 00:09 |
================================================================== BUG: KASAN: global-out-of-bounds in memcpy include/linux/string.h:406 [inline] BUG: KASAN: global-out-of-bounds in soft_cursor+0x44b/0xa30 drivers/video/fbdev/core/softcursor.c:70 Read of size 26 at addr ffffffff88965288 by task syz-executor.4/5256 CPU: 0 PID: 5256 Comm: syz-executor.4 Not tainted 5.8.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 print_address_description.constprop.0.cold+0x5/0x436 mm/kasan/report.c:383 __kasan_report mm/kasan/report.c:513 [inline] kasan_report.cold+0x1f/0x37 mm/kasan/report.c:530 check_memory_region_inline mm/kasan/generic.c:186 [inline] check_memory_region+0x13d/0x180 mm/kasan/generic.c:192 memcpy+0x20/0x60 mm/kasan/common.c:105 memcpy include/linux/string.h:406 [inline] soft_cursor+0x44b/0xa30 drivers/video/fbdev/core/softcursor.c:70 bit_cursor+0x1166/0x17d0 drivers/video/fbdev/core/bitblit.c:386 fbcon_cursor+0x52b/0x650 drivers/video/fbdev/core/fbcon.c:1411 hide_cursor+0x85/0x280 drivers/tty/vt/vt.c:902 redraw_screen+0x5e1/0x770 drivers/tty/vt/vt.c:1006 fbcon_do_set_font+0x7ec/0x950 drivers/video/fbdev/core/fbcon.c:2615 fbcon_copy_font+0x125/0x190 drivers/video/fbdev/core/fbcon.c:2630 con_font_copy drivers/tty/vt/vt.c:4627 [inline] con_font_op+0x65a/0x1110 drivers/tty/vt/vt.c:4642 vt_ioctl+0x16dc/0x2670 drivers/tty/vt/vt_ioctl.c:980 tty_ioctl+0x1019/0x15f0 drivers/tty/tty_io.c:2656 vfs_ioctl fs/ioctl.c:48 [inline] ksys_ioctl+0x11a/0x180 fs/ioctl.c:753 __do_sys_ioctl fs/ioctl.c:762 [inline] __se_sys_ioctl fs/ioctl.c:760 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:760 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45c1f9 Code: Bad RIP value. RSP: 002b:00007fb0c4340c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000000f440 RCX: 000000000045c1f9 RDX: 0000000020000480 RSI: 0000000000004b72 RDI: 0000000000000007 RBP: 000000000078bfe0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bfac R13: 00007fff87f33a2f R14: 00007fb0c43419c0 R15: 000000000078bfac The buggy address belongs to the variable: oid_search_table+0x128/0x160 Memory state around the buggy address: ffffffff88965180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffffff88965200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffffffff88965280: 00 fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 ^ ffffffff88965300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffffff88965380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/07/25 03:00 | upstream | f37e99aca03f | 554af388 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
| 2020/06/06 13:11 | upstream | 7ae77150d94d | e6b89e4e | .config | console log | report | ci-upstream-kasan-gce-root | |||||
| 2020/04/24 17:32 | upstream | b4f633221f0a | 03d97a1b | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
| 2020/02/18 21:52 | upstream | b1da3acc781c | 012fbc32 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
| 2020/01/14 19:50 | upstream | 452424cdcbca | fa12bd3c | .config | console log | report | ci-qemu-upstream | |||||
| 2020/01/11 16:20 | upstream | bef1d88263ff | 4c04afaa | .config | console log | report | ci-upstream-kasan-gce-root | |||||
| 2019/12/29 21:32 | upstream | a99efa00891b | af6b8ef8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
| 2019/12/12 07:36 | upstream | 687dec9b9459 | d973f528 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
| 2020/06/10 01:36 | linux-next | e7b08814b16b | 860c4de9 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
| 2020/03/10 21:45 | linux-next | 770fbb32d34e | 35f53e45 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
| 2019/12/16 18:50 | linux-next | 32b8acf85223 | b80769fc | .config | console log | report | ci-upstream-linux-next-kasan-gce-root |