syzbot |
sign-in | mailing list | source | docs |
| 🐞 Open [717] 🐞 Fixed [181] 🐞 Invalid [640] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| linux-4.19 | KASAN: use-after-free Read in hci_cmd_timeout | syz | error | 17 | 309d | 1557d | 0/1 | upstream: reported syz repro on 2019/09/01 02:37 | |
| android-5-10 | KASAN: use-after-free Read in hci_cmd_timeout | 1 | 280d | 280d | 0/2 | auto-obsoleted due to no activity on 2023/05/29 20:38 | |||
| upstream | KASAN: use-after-free Read in hci_cmd_timeout | C | done | error | 371 | 361d | 1673d | 24/25 | fixed on 2023/04/12 21:18 |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2023/02/10 00:32 | 10m | retest repro | linux-4.14.y | report log | |
| 2023/02/09 23:32 | 9m | retest repro | linux-4.14.y | report log | |
| 2023/02/09 22:32 | 10m | retest repro | linux-4.14.y | report log | |
| 2022/09/19 17:29 | 11m | retest repro | linux-4.14.y | report log | |
| 2022/09/19 16:29 | 11m | retest repro | linux-4.14.y | report log | |
| 2022/09/19 15:29 | 14m | retest repro | linux-4.14.y | report log |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2020/07/20 20:02 | 40m | bisect fix | linux-4.14.y | job log (2) | |
| 2020/06/03 17:38 | 36m | bisect fix | linux-4.14.y | job log (0) log | |
| 2020/05/04 16:57 | 41m | bisect fix | linux-4.14.y | job log (0) log | |
| 2020/04/04 16:19 | 38m | bisect fix | linux-4.14.y | job log (0) log | |
| 2020/02/24 05:53 | 41m | bisect fix | linux-4.14.y | job log (0) log | |
| 2020/01/05 21:33 | 39m | bisect fix | linux-4.14.y | job log (0) log |
Bluetooth: hci4: Frame reassembly failed (-84) Bluetooth: hci5: Entering manufacturer mode failed (-110) Bluetooth: hci5: Frame reassembly failed (-84) Bluetooth: hci0: Entering manufacturer mode failed (-110) ================================================================== BUG: KASAN: use-after-free in hci_cmd_timeout+0x19e/0x1b0 net/bluetooth/hci_core.c:2527 Read of size 2 at addr ffff88809ec08848 by task kworker/0:3/8936 CPU: 0 PID: 8936 Comm: kworker/0:3 Not tainted 4.14.234-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events hci_cmd_timeout Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_address_description.cold+0x54/0x1d3 mm/kasan/report.c:252 kasan_report_error.cold+0x8a/0x191 mm/kasan/report.c:351 kasan_report mm/kasan/report.c:409 [inline] __asan_report_load_n_noabort+0x6b/0x80 mm/kasan/report.c:440 hci_cmd_timeout+0x19e/0x1b0 net/bluetooth/hci_core.c:2527 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Allocated by task 9261: save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551 __do_kmalloc_node mm/slab.c:3682 [inline] __kmalloc_node_track_caller+0x4c/0x70 mm/slab.c:3696 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0x96/0x510 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:980 [inline] bt_skb_alloc include/net/bluetooth/bluetooth.h:336 [inline] hci_prepare_cmd+0x2a/0x290 net/bluetooth/hci_request.c:302 hci_req_add_ev+0xd0/0x220 net/bluetooth/hci_request.c:336 __hci_cmd_sync_ev+0x14e/0x5a0 net/bluetooth/hci_request.c:129 btintel_enter_mfg+0x72/0xe0 drivers/bluetooth/btintel.c:81 ag6xx_setup+0xe8/0x6e0 drivers/bluetooth/hci_ag6xx.c:180 hci_uart_setup+0x193/0x410 drivers/bluetooth/hci_ldisc.c:429 hci_dev_do_open+0x34c/0xe30 net/bluetooth/hci_core.c:1386 hci_power_on+0x97/0x3b0 net/bluetooth/hci_core.c:2082 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Freed by task 9261: save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_slab_free+0xc3/0x1a0 mm/kasan/kasan.c:524 __cache_free mm/slab.c:3496 [inline] kfree+0xc9/0x250 mm/slab.c:3815 skb_free_head net/core/skbuff.c:563 [inline] skb_release_data+0x5f6/0x820 net/core/skbuff.c:583 skb_release_all net/core/skbuff.c:640 [inline] __kfree_skb net/core/skbuff.c:654 [inline] kfree_skb+0xe7/0x390 net/core/skbuff.c:672 hci_dev_do_open+0x737/0xe30 net/bluetooth/hci_core.c:1471 hci_power_on+0x97/0x3b0 net/bluetooth/hci_core.c:2082 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 The buggy address belongs to the object at ffff88809ec08840 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 8 bytes inside of 512-byte region [ffff88809ec08840, ffff88809ec08a40) The buggy address belongs to the page: page:ffffea00027b0200 count:1 mapcount:0 mapping:ffff88809ec080c0 index:0x0 flags: 0xfff00000000100(slab) raw: 00fff00000000100 ffff88809ec080c0 0000000000000000 0000000100000006 raw: ffffea000271b6a0 ffffea000273a3a0 ffff88813fe80940 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88809ec08700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88809ec08780: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc >ffff88809ec08800: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb ^ ffff88809ec08880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88809ec08900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021/05/29 03:25 | linux-4.14.y | ad8397a84e1e | 858ea628 | .config | console log | report | syz | C | ci2-linux-4-14 | KASAN: use-after-free Read in hci_cmd_timeout | ||
| 2019/12/06 21:33 | linux-4.14.y | a844dc4c5442 | 85f26751 | .config | console log | report | syz | C | ci2-linux-4-14 | |||
| 2019/09/06 19:30 | linux-4.14.y | 414510bc00a5 | acb5b744 | .config | console log | report | syz | ci2-linux-4-14 | ||||
| 2022/01/17 12:34 | linux-4.14.y | 4ba8e26127c3 | 731a2d23 | .config | console log | report | info | ci2-linux-4-14 | KASAN: use-after-free Read in hci_cmd_timeout | |||
| 2021/04/07 11:43 | linux-4.14.y | 0cc244011f40 | 6a81331a | .config | console log | report | info | ci2-linux-4-14 | KASAN: use-after-free Read in hci_cmd_timeout | |||
| 2020/09/03 23:02 | linux-4.14.y | 2f166cdcf8a9 | abf9ba4f | .config | console log | report | ci2-linux-4-14 | |||||
| 2020/06/20 20:00 | linux-4.14.y | b850307b279c | c655ec77 | .config | console log | report | ci2-linux-4-14 | |||||
| 2020/03/05 16:19 | linux-4.14.y | 78d697fc93f9 | b655d91b | .config | console log | report | ci2-linux-4-14 | |||||
| 2020/01/25 05:53 | linux-4.14.y | 8bac50406cca | 2e95ab33 | .config | console log | report | ci2-linux-4-14 | |||||
| 2019/12/06 20:17 | linux-4.14.y | a844dc4c5442 | 85f26751 | .config | console log | report | ci2-linux-4-14 | |||||
| 2019/11/24 12:33 | linux-4.14.y | 43598c571e7e | 598ca6c8 | .config | console log | report | ci2-linux-4-14 |