Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|
KMSAN: uninit-value in hci_event_packet bluetooth | C | 40 | 1519d | 2008d | 0/28 | closed as dup on 2020/07/24 21:34 |
syzbot |
sign-in | mailing list | source | docs |
Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|
KMSAN: uninit-value in hci_event_packet bluetooth | C | 40 | 1519d | 2008d | 0/28 | closed as dup on 2020/07/24 21:34 |
Title | Replies (including bot) | Last reply |
---|---|---|
[Linux-kernel-mentees] [PATCH] net/bluetooth: Fix slab-out-of-bounds read in hci_extended_inquiry_result_evt() | 7 (7) | 2021/07/01 21:06 |
[PATCH 4.4 000/149] 4.4.233-rc1 review | 163 (163) | 2020/10/31 20:04 |
[PATCH 4.9 000/212] 4.9.233-rc1 review | 220 (220) | 2020/08/21 09:40 |
[PATCH 4.14 000/228] 4.14.194-rc1 review | 234 (234) | 2020/08/21 06:59 |
[PATCH 4.19 00/48] 4.19.139-rc1 review | 61 (61) | 2020/08/11 16:45 |
[PATCH 5.8 00/38] 5.8.1-rc1 review | 46 (46) | 2020/08/11 16:20 |
[PATCH 5.7 00/79] 5.7.15-rc1 review | 83 (83) | 2020/08/11 14:23 |
[PATCH 5.4 00/67] 5.4.58-rc1 review | 71 (71) | 2020/08/11 14:23 |
KASAN: slab-out-of-bounds Read in hci_extended_inquiry_result_evt | 0 (1) | 2020/07/08 01:43 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.19 | KASAN: slab-out-of-bounds Read in hci_extended_inquiry_result_evt | C | done | 6 | 1527d | 1561d | 1/1 | fixed on 2020/09/09 05:22 | |
linux-4.14 | KASAN: slab-out-of-bounds Read in hci_extended_inquiry_result_evt | C | done | 5 | 1527d | 1532d | 1/1 | fixed on 2020/09/09 05:22 |
================================================================== BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:406 [inline] BUG: KASAN: slab-out-of-bounds in bacpy include/net/bluetooth/bluetooth.h:274 [inline] BUG: KASAN: slab-out-of-bounds in hci_extended_inquiry_result_evt.isra.0+0x1be/0x5e0 net/bluetooth/hci_event.c:4397 Read of size 6 at addr ffff8880a62b2208 by task kworker/u5:0/1531 CPU: 1 PID: 1531 Comm: kworker/u5:0 Not tainted 5.8.0-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+0x18f/0x20d lib/dump_stack.c:118 print_address_description.constprop.0.cold+0xae/0x436 mm/kasan/report.c:383 __kasan_report mm/kasan/report.c:513 [inline] kasan_report.cold+0x1f/0x37 mm/kasan/report.c:530 check_memory_region_inline mm/kasan/generic.c:186 [inline] check_memory_region+0x13d/0x180 mm/kasan/generic.c:192 memcpy+0x20/0x60 mm/kasan/common.c:105 memcpy include/linux/string.h:406 [inline] bacpy include/net/bluetooth/bluetooth.h:274 [inline] hci_extended_inquiry_result_evt.isra.0+0x1be/0x5e0 net/bluetooth/hci_event.c:4397 hci_event_packet+0x2828/0x86f5 net/bluetooth/hci_event.c:6127 hci_rx_work+0x22e/0xb10 net/bluetooth/hci_core.c:4705 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Allocated by task 6831: save_stack+0x1b/0x40 mm/kasan/common.c:48 set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc2/0xd0 mm/kasan/common.c:494 __kmalloc_reserve net/core/skbuff.c:142 [inline] __alloc_skb+0xae/0x550 net/core/skbuff.c:210 alloc_skb include/linux/skbuff.h:1083 [inline] bt_skb_alloc include/net/bluetooth/bluetooth.h:377 [inline] vhci_get_user drivers/bluetooth/hci_vhci.c:165 [inline] vhci_write+0xbd/0x450 drivers/bluetooth/hci_vhci.c:285 call_write_iter include/linux/fs.h:1909 [inline] new_sync_write+0x422/0x650 fs/read_write.c:503 vfs_write+0x59d/0x6b0 fs/read_write.c:578 ksys_write+0x12d/0x250 fs/read_write.c:631 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Freed by task 6653: save_stack+0x1b/0x40 mm/kasan/common.c:48 set_track mm/kasan/common.c:56 [inline] kasan_set_free_info mm/kasan/common.c:316 [inline] __kasan_slab_free+0xf5/0x140 mm/kasan/common.c:455 __cache_free mm/slab.c:3426 [inline] kfree+0x103/0x2c0 mm/slab.c:3757 load_elf_binary+0x356b/0x4831 fs/binfmt_elf.c:1207 search_binary_handler fs/exec.c:1749 [inline] exec_binprm fs/exec.c:1790 [inline] __do_execve_file+0x1652/0x2ee0 fs/exec.c:1926 do_execveat_common fs/exec.c:1980 [inline] do_execve+0x35/0x50 fs/exec.c:1997 __do_sys_execve fs/exec.c:2073 [inline] __se_sys_execve fs/exec.c:2068 [inline] __x64_sys_execve+0x7c/0xa0 fs/exec.c:2068 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 The buggy address belongs to the object at ffff8880a62b2000 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 8 bytes to the right of 512-byte region [ffff8880a62b2000, ffff8880a62b2200) The buggy address belongs to the page: page:ffffea000298ac80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 flags: 0xfffe0000000200(slab) raw: 00fffe0000000200 ffffea0002735e48 ffffea00025e3f88 ffff8880aa000a80 raw: 0000000000000000 ffff8880a62b2000 0000000100000004 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8880a62b2100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8880a62b2180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff8880a62b2200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff8880a62b2280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8880a62b2300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/08/04 13:23 | upstream | 3208167a865e | 196277c4 | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | |||
2020/08/02 21:47 | upstream | ac3a0c847296 | 63a73341 | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | |||
2020/07/04 14:51 | upstream | 7cc2a8ea1048 | 51095195 | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | |||
2020/07/04 13:08 | upstream | 7cc2a8ea1048 | 51095195 | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | |||
2020/07/04 01:55 | upstream | 7cc2a8ea1048 | 51095195 | .config | console log | report | syz | C | ci-upstream-kasan-gce | |||
2020/07/04 11:09 | upstream | 7cc2a8ea1048 | 51095195 | .config | console log | report | syz | C | ci-upstream-kasan-gce-386 | |||
2020/07/04 07:39 | linux-next | 9e50b94b3eb0 | 51095195 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | |||
2020/08/02 12:17 | upstream | ac3a0c847296 | 63a73341 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2020/08/02 12:15 | upstream | ac3a0c847296 | 63a73341 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2020/08/02 11:20 | upstream | ac3a0c847296 | 63a73341 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2020/08/02 11:15 | upstream | ac3a0c847296 | 63a73341 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2020/07/21 09:43 | upstream | 4fa640dc5230 | d88894e6 | .config | console log | report | ci-upstream-kasan-gce | |||||
2020/07/17 12:22 | upstream | f8456690ba8e | 54b3c45e | .config | console log | report | ci-upstream-kasan-gce | |||||
2020/07/17 12:18 | upstream | f8456690ba8e | 54b3c45e | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2020/07/17 12:17 | upstream | 07a56bb875af | 54b3c45e | .config | console log | report | ci-qemu-upstream | |||||
2020/07/04 01:36 | upstream | 7cc2a8ea1048 | 51095195 | .config | console log | report | ci-upstream-kasan-gce |