| Title | Replies (including bot) | Last reply |
|---|---|---|
| [syzbot] [fbdev?] general protection fault in soft_cursor | 0 (1) | 2023/05/27 04:07 |
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| Title | Replies (including bot) | Last reply |
|---|---|---|
| [syzbot] [fbdev?] general protection fault in soft_cursor | 0 (1) | 2023/05/27 04:07 |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| linux-5.15 | KASAN: null-ptr-deref Read in soft_cursor origin:lts-only | syz | error | 1 | 501d | 501d | 0/3 | upstream: reported syz repro on 2023/05/28 00:20 | |
| linux-4.14 | KASAN: use-after-free Read in soft_cursor | C | inconclusive | 7 | 1261d | 1771d | 0/1 | upstream: reported C repro on 2019/12/04 13:11 | |
| linux-4.19 | KASAN: slab-out-of-bounds Read in soft_cursor (2) | C | done | 8 | 1236d | 1359d | 1/1 | fixed on 2021/06/23 17:43 | |
| linux-4.14 | KASAN: slab-out-of-bounds Read in soft_cursor | C | unreliable | 57 | 1241d | 1772d | 0/1 | upstream: reported C repro on 2019/12/03 14:54 | |
| linux-4.19 | KASAN: global-out-of-bounds Read in soft_cursor | C | done | 22 | 1234d | 1701d | 1/1 | fixed on 2021/06/24 08:01 | |
| linux-4.14 | KASAN: global-out-of-bounds Read in soft_cursor | C | error | 19 | 761d | 1760d | 0/1 | upstream: reported C repro on 2019/12/16 00:09 |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2023/05/27 06:49 | 21m | deller@gmx.de | https://github.com/hdeller/linux.git 9ee79acc491c58252a91df942cb704aa06853734 | OK log |
================================================================== BUG: KASAN: null-ptr-deref in soft_cursor+0x384/0x6b4 drivers/video/fbdev/core/softcursor.c:70 Read of size 16 at addr 0000000000000200 by task kworker/u4:1/12 CPU: 0 PID: 12 Comm: kworker/u4:1 Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Workqueue: events_power_efficient fb_flashcursor Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 print_report+0xe4/0x514 mm/kasan/report.c:465 kasan_report+0xd4/0x130 mm/kasan/report.c:572 kasan_check_range+0x264/0x2a4 mm/kasan/generic.c:187 __asan_memcpy+0x3c/0x84 mm/kasan/shadow.c:105 soft_cursor+0x384/0x6b4 drivers/video/fbdev/core/softcursor.c:70 bit_cursor+0x113c/0x1a64 drivers/video/fbdev/core/bitblit.c:377 fb_flashcursor+0x35c/0x54c drivers/video/fbdev/core/fbcon.c:380 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023/05/27 04:06 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | eb0f1697d729 | cf184559 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | KASAN: null-ptr-deref Read in soft_cursor | |
| 2023/04/25 13:36 | upstream | 173ea743bf7a | 65320f8e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | general protection fault in soft_cursor | ||
| 2023/05/27 02:49 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | eb0f1697d729 | cf184559 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | KASAN: null-ptr-deref Read in soft_cursor |