| Title | Replies (including bot) | Last reply |
|---|---|---|
| KASAN: null-ptr-deref Write in kcm_tx_work | 0 (1) | 2020/02/20 06:31 |
syzbot |
sign-in | mailing list | source | docs |
| 🐞 Open [985] ≡ Subsystems 🐞 Fixed [5216] 🐞 Invalid [12474] ⬇ Missing Backports [82] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
| Title | Replies (including bot) | Last reply |
|---|---|---|
| KASAN: null-ptr-deref Write in kcm_tx_work | 0 (1) | 2020/02/20 06:31 |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | KASAN: null-ptr-deref Write in kcm_tx_work (3) net | C | inconclusive | inconclusive | 7 | 566d | 667d | 22/26 | fixed on 2023/02/24 13:50 |
| upstream | KASAN: null-ptr-deref Write in kcm_tx_work (2) net | 1 | 830d | 826d | 0/26 | auto-closed as invalid on 2022/05/10 04:14 |
================================================================== BUG: KASAN: null-ptr-deref in clear_bit include/asm-generic/bitops/instrumented-atomic.h:41 [inline] BUG: KASAN: null-ptr-deref in kcm_tx_work+0xff/0x160 net/kcm/kcmsock.c:743 Write of size 8 at addr 0000000000000008 by task kworker/u4:8/16987 CPU: 1 PID: 16987 Comm: kworker/u4:8 Not tainted 5.6.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: kkcmd kcm_tx_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 __kasan_report.cold+0x5/0x32 mm/kasan/report.c:510 kasan_report+0xe/0x20 mm/kasan/common.c:641 check_memory_region_inline mm/kasan/generic.c:185 [inline] check_memory_region+0x128/0x190 mm/kasan/generic.c:192 clear_bit include/asm-generic/bitops/instrumented-atomic.h:41 [inline] kcm_tx_work+0xff/0x160 net/kcm/kcmsock.c:743 process_one_work+0x94b/0x1690 kernel/workqueue.c:2266 worker_thread+0x96/0xe20 kernel/workqueue.c:2412 kthread+0x357/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 ================================================================== Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 16987 Comm: kworker/u4:8 Tainted: G B 5.6.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: kkcmd kcm_tx_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 end_report+0x43/0x49 mm/kasan/report.c:96 __kasan_report.cold+0xd/0x32 mm/kasan/report.c:513 kasan_report+0xe/0x20 mm/kasan/common.c:641 check_memory_region_inline mm/kasan/generic.c:185 [inline] check_memory_region+0x128/0x190 mm/kasan/generic.c:192 clear_bit include/asm-generic/bitops/instrumented-atomic.h:41 [inline] kcm_tx_work+0xff/0x160 net/kcm/kcmsock.c:743 process_one_work+0x94b/0x1690 kernel/workqueue.c:2266 worker_thread+0x96/0xe20 kernel/workqueue.c:2412 kthread+0x357/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/03/16 11:15 | net-old | 0fda7600c2e1 | 749688d2 | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
| 2020/02/16 05:24 | net-next-old | 2019fc96af22 | 5d7b90f1 | .config | console log | report | ci-upstream-net-kasan-gce |