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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in vga_arb_write / vga_arb_write (4) pci | 1 | 32d | 17d | 0/28 | upstream: reported on 2025/01/10 15:04 | |||
| upstream | KCSAN: data-race in vga_arb_write / vga_arb_write dri | 1 | 1097d | 1097d | 0/28 | auto-closed as invalid on 2022/03/02 16:50 | |||
| upstream | KCSAN: data-race in vga_arb_write / vga_arb_write (3) pci | 1 | 293d | 293d | 0/28 | auto-obsoleted due to no activity on 2024/05/14 06:54 |
================================================================== BUG: KCSAN: data-race in vga_arb_write / vga_arb_write read to 0xffff88813acfac20 of 4 bytes by task 4261 on cpu 1: vga_arb_write+0xf06/0x1410 drivers/pci/vgaarb.c:1255 vfs_write+0x27a/0x790 fs/read_write.c:588 ksys_write+0xeb/0x1a0 fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __x64_sys_write+0x42/0x50 fs/read_write.c:652 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x59/0x120 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b read-write to 0xffff88813acfac20 of 4 bytes by task 4257 on cpu 0: vga_arb_write+0x1216/0x1410 drivers/pci/vgaarb.c:1206 vfs_write+0x27a/0x790 fs/read_write.c:588 ksys_write+0xeb/0x1a0 fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __x64_sys_write+0x42/0x50 fs/read_write.c:652 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x59/0x120 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x0000001a -> 0x00000003 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 4257 Comm: syz-executor.5 Not tainted 6.7.0-syzkaller-11091-g296455ade1fd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/01/18 14:53 | upstream | 296455ade1fd | 239abf84 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in vga_arb_write / vga_arb_write |