Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: slab-out-of-bounds Read in bacpy bluetooth | C | done | inconclusive | 21 | 1630d | 2157d | 0/28 | auto-obsoleted due to no activity on 2022/09/20 22:03 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: slab-out-of-bounds Read in bacpy bluetooth | C | done | inconclusive | 21 | 1630d | 2157d | 0/28 | auto-obsoleted due to no activity on 2022/09/20 22:03 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2020/09/05 01:19 | 4h09m | bisect fix | linux-4.19.y | OK (1) job log | |
2020/08/06 00:29 | 26m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/07/07 00:05 | 23m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/06/06 23:39 | 25m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/05/07 23:10 | 29m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/04/07 21:49 | 25m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/03/08 21:22 | 26m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/01/31 20:58 | 26m | bisect fix | linux-4.19.y | OK (0) job log log | |
2019/12/29 16:10 | 23m | bisect fix | linux-4.19.y | OK (0) job log log | |
2019/11/29 15:47 | 23m | bisect fix | linux-4.19.y | OK (0) job log log |
audit: type=1400 audit(1577912166.213:36): avc: denied { map } for pid=7830 comm="syz-executor358" path="/root/syz-executor358128003" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 ================================================================== BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:348 [inline] BUG: KASAN: slab-out-of-bounds in bacpy+0x23/0x30 include/net/bluetooth/bluetooth.h:236 Read of size 6 at addr ffff8880911a0208 by task kworker/u5:0/1204 CPU: 1 PID: 1204 Comm: kworker/u5:0 Not tainted 4.19.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: hci0 hci_rx_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:256 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report mm/kasan/report.c:412 [inline] kasan_report.cold+0x8c/0x2ba mm/kasan/report.c:396 check_memory_region_inline mm/kasan/kasan.c:260 [inline] check_memory_region+0x123/0x190 mm/kasan/kasan.c:267 memcpy+0x24/0x50 mm/kasan/kasan.c:302 memcpy include/linux/string.h:348 [inline] bacpy+0x23/0x30 include/net/bluetooth/bluetooth.h:236 hci_extended_inquiry_result_evt net/bluetooth/hci_event.c:4162 [inline] hci_event_packet+0x48fb/0xaa40 net/bluetooth/hci_event.c:5844 hci_rx_work+0x478/0xae0 net/bluetooth/hci_core.c:4359 process_one_work+0x989/0x1750 kernel/workqueue.c:2153 worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Allocated by task 7837: save_stack+0x45/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc mm/kasan/kasan.c:553 [inline] kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:531 __do_kmalloc_node mm/slab.c:3689 [inline] __kmalloc_node_track_caller+0x51/0x80 mm/slab.c:3703 __kmalloc_reserve.isra.0+0x40/0xf0 net/core/skbuff.c:137 __alloc_skb+0x10b/0x5f0 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:995 [inline] bt_skb_alloc include/net/bluetooth/bluetooth.h:339 [inline] vhci_get_user drivers/bluetooth/hci_vhci.c:180 [inline] vhci_write+0xc4/0x470 drivers/bluetooth/hci_vhci.c:299 call_write_iter include/linux/fs.h:1820 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x587/0x810 fs/read_write.c:487 vfs_write+0x20c/0x560 fs/read_write.c:549 ksys_write+0x14f/0x2d0 fs/read_write.c:599 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:608 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 0: (stack is not available) The buggy address belongs to the object at ffff8880911a0000 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 8 bytes to the right of 512-byte region [ffff8880911a0000, ffff8880911a0200) The buggy address belongs to the page: page:ffffea0002446800 count:1 mapcount:0 mapping:ffff88812c31c940 index:0x0 flags: 0xfffe0000000100(slab) raw: 00fffe0000000100 ffffea00026db9c8 ffffea00022e6348 ffff88812c31c940 raw: 0000000000000000 ffff8880911a0000 0000000100000006 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8880911a0100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8880911a0180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff8880911a0200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff8880911a0280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880911a0300: 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/01/01 20:58 | linux-4.19.y | c7ecf3e3a71c | 25a0186e | .config | console log | report | syz | C | ci2-linux-4-19 | |||
2019/05/02 02:49 | linux-4.19.y | 19bb613acb9a | 7516d9fa | .config | console log | report | syz | C | ci2-linux-4-19 | |||
2020/02/07 21:22 | linux-4.19.y | b499cf4b3a90 | 06150bf1 | .config | console log | report | ci2-linux-4-19 |