| Title | Replies (including bot) | Last reply |
|---|---|---|
| KASAN: global-out-of-bounds Read in bit_putcs (2) | 1 (2) | 2020/09/26 15:55 |
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| Title | Replies (including bot) | Last reply |
|---|---|---|
| KASAN: global-out-of-bounds Read in bit_putcs (2) | 1 (2) | 2020/09/26 15:55 |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| linux-4.14 | KASAN: global-out-of-bounds Read in bit_putcs | C | error | 241 | 827d | 1837d | 0/1 | upstream: reported C repro on 2019/12/07 16:26 | |
| linux-6.1 | KASAN: global-out-of-bounds Read in bit_putcs | 1 | 37d | 37d | 0/3 | upstream: reported on 2024/11/11 05:01 | |||
| upstream | KASAN: global-out-of-bounds Read in bit_putcs fbdev | C | done | 262 | 1546d | 1839d | 15/28 | fixed on 2020/09/25 01:17 | |
| linux-4.19 | KASAN: global-out-of-bounds Read in bit_putcs | C | done | 214 | 1303d | 1840d | 1/1 | fixed on 2021/06/24 08:01 | |
| upstream | KASAN: global-out-of-bounds Read in bit_putcs (3) fbdev | 7 | 23d | 139d | 0/28 | upstream: reported on 2024/07/31 11:38 |
================================================================== BUG: KASAN: global-out-of-bounds in __fb_pad_aligned_buffer include/linux/fb.h:654 [inline] BUG: KASAN: global-out-of-bounds in bit_putcs_aligned drivers/video/fbdev/core/bitblit.c:96 [inline] BUG: KASAN: global-out-of-bounds in bit_putcs+0xbb6/0xd20 drivers/video/fbdev/core/bitblit.c:185 Read of size 1 at addr ffffffff8a7bbd00 by task syz-executor.2/26546 CPU: 0 PID: 26546 Comm: syz-executor.2 Not tainted 5.9.0-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+0x198/0x1fd lib/dump_stack.c:118 print_address_description.constprop.0.cold+0x5/0x497 mm/kasan/report.c:383 __kasan_report mm/kasan/report.c:513 [inline] kasan_report.cold+0x1f/0x37 mm/kasan/report.c:530 __fb_pad_aligned_buffer include/linux/fb.h:654 [inline] bit_putcs_aligned drivers/video/fbdev/core/bitblit.c:96 [inline] bit_putcs+0xbb6/0xd20 drivers/video/fbdev/core/bitblit.c:185 fbcon_putcs+0x35a/0x450 drivers/video/fbdev/core/fbcon.c:1308 con_flush drivers/tty/vt/vt.c:2575 [inline] do_con_write+0xb6b/0x1dd0 drivers/tty/vt/vt.c:2905 con_write+0x22/0xb0 drivers/tty/vt/vt.c:3250 process_output_block drivers/tty/n_tty.c:595 [inline] n_tty_write+0x3ce/0xf80 drivers/tty/n_tty.c:2333 do_tty_write drivers/tty/tty_io.c:962 [inline] tty_write+0x4d9/0x870 drivers/tty/tty_io.c:1046 vfs_write+0x2b0/0x730 fs/read_write.c:584 ksys_write+0x12d/0x250 fs/read_write.c:639 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45de59 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f8d8fde5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000003a600 RCX: 000000000045de59 RDX: 0000000000001006 RSI: 0000000020001440 RDI: 0000000000000004 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffffe8f7d2f R14: 00007f8d8fde69c0 R15: 000000000118bf2c The buggy address belongs to the variable: fontdata_8x16+0x1180/0x1aa0 Memory state around the buggy address: ffffffff8a7bbc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffffff8a7bbc80: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 00 00 >ffffffff8a7bbd00: f9 f9 f9 f9 00 00 00 00 f9 f9 f9 f9 00 00 00 00 ^ ffffffff8a7bbd80: f9 f9 f9 f9 00 00 00 02 f9 f9 f9 f9 00 00 00 f9 ffffffff8a7bbe00: f9 f9 f9 f9 00 00 00 00 f9 f9 f9 f9 00 00 00 00 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/10/12 16:37 | upstream | bbf5c979011a | d32b0bbf | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
| 2020/10/11 23:27 | upstream | 3dd0130f2430 | 4a77ae0b | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
| 2020/10/11 03:44 | upstream | da690031a5d6 | 4a77ae0b | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
| 2020/10/11 00:42 | upstream | 6f2f486d57c4 | 4a77ae0b | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
| 2020/10/11 00:00 | upstream | 6f2f486d57c4 | 4a77ae0b | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
| 2020/10/10 17:56 | upstream | 6f2f486d57c4 | 4a77ae0b | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
| 2020/10/07 04:07 | upstream | c85fb28b6f99 | 1880b4a9 | .config | console log | report | info | ci-upstream-kasan-gce-root | ||||
| 2020/10/07 03:23 | upstream | c85fb28b6f99 | 1880b4a9 | .config | console log | report | info | ci-upstream-kasan-gce-root | ||||
| 2020/10/04 01:47 | upstream | 22fbc037cd32 | 1a3f9408 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
| 2020/10/02 22:56 | upstream | 472e5b056f00 | 4969d6ca | .config | console log | report | info | ci-upstream-kasan-gce-root | ||||
| 2020/09/30 02:55 | upstream | ccc1d052eff9 | 5abc3f1a | .config | console log | report | info | ci-upstream-kasan-gce-root | ||||
| 2020/09/28 04:58 | upstream | a1bffa48745a | 5dd8aee8 | .config | console log | report | info | ci-upstream-kasan-gce-root | ||||
| 2020/09/26 01:27 | upstream | 171d4ff79f96 | 4a006f63 | .config | console log | report | info | ci-upstream-kasan-gce-root |