Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|
KASAN: use-after-free Read in ds_probe usb | C | 80 | 1930d | 1972d | 0/27 | closed as dup on 2019/08/13 12:54 |
syzbot |
sign-in | mailing list | source | docs |
Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|
KASAN: use-after-free Read in ds_probe usb | C | 80 | 1930d | 1972d | 0/27 | closed as dup on 2019/08/13 12:54 |
Title | Replies (including bot) | Last reply |
---|---|---|
[PATCH 3.16 000/157] 3.16.72-rc1 review | 162 (162) | 2019/08/11 15:25 |
[PATCH 4.4 000/266] 4.4.180-stable review | 282 (282) | 2019/05/17 09:42 |
[PATCH 3.18 00/86] 3.18.140-stable review | 93 (93) | 2019/05/16 14:59 |
[PATCH 5.0 000/122] 5.0.14-stable review | 134 (134) | 2019/05/08 06:36 |
[PATCH 4.19 00/99] 4.19.41-stable review | 111 (111) | 2019/05/08 06:35 |
[PATCH 4.14 00/75] 4.14.117-stable review | 81 (81) | 2019/05/07 22:47 |
[PATCH 4.9 00/62] 4.9.174-stable review | 73 (73) | 2019/05/07 20:34 |
USB: w1 ds2490: Fix bug caused by improper use of altsetting array | 1 (1) | 2019/04/22 15:16 |
KASAN: slab-out-of-bounds Read in ds_probe | 1 (3) | 2019/04/19 20:17 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2019/04/19 19:39 | 36m | stern@rowland.harvard.edu | patch | https://github.com/google/kasan.git usb-fuzzer | OK |
usb 1-1: config 0 has no interface number 0 usb 1-1: New USB device found, idVendor=04fa, idProduct=2490, bcdDevice=74.f9 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? ================================================================== BUG: KASAN: slab-out-of-bounds in ds_probe+0x604/0x760 drivers/w1/masters/ds2490.c:1019 Read of size 1 at addr ffff88809fb50fe2 by task kworker/1:1/21 CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.1.0-rc5-319617-gd34f951 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xe8/0x16e lib/dump_stack.c:113 print_address_description+0x6c/0x236 mm/kasan/report.c:187 kasan_report.cold+0x1a/0x3c mm/kasan/report.c:317 ds_probe+0x604/0x760 drivers/w1/masters/ds2490.c:1019 usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021 generic_probe+0xa2/0xda drivers/usb/core/generic.c:210 usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534 hub_port_connect drivers/usb/core/hub.c:5089 [inline] hub_port_connect_change drivers/usb/core/hub.c:5204 [inline] port_event drivers/usb/core/hub.c:5350 [inline] hub_event+0x1398/0x3b00 drivers/usb/core/hub.c:5432 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415 kthread+0x313/0x420 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Allocated by task 21: set_track mm/kasan/common.c:87 [inline] __kasan_kmalloc mm/kasan/common.c:497 [inline] __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:470 kmalloc include/linux/slab.h:552 [inline] kzalloc include/linux/slab.h:742 [inline] usb_parse_configuration drivers/usb/core/config.c:710 [inline] usb_get_configuration+0xc4c/0x32b0 drivers/usb/core/config.c:882 usb_enumerate_device drivers/usb/core/hub.c:2367 [inline] usb_new_device+0x2fe/0x450 drivers/usb/core/hub.c:2503 hub_port_connect drivers/usb/core/hub.c:5089 [inline] hub_port_connect_change drivers/usb/core/hub.c:5204 [inline] port_event drivers/usb/core/hub.c:5350 [inline] hub_event+0x1398/0x3b00 drivers/usb/core/hub.c:5432 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415 kthread+0x313/0x420 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Freed by task 4095: set_track mm/kasan/common.c:87 [inline] __kasan_slab_free+0x130/0x180 mm/kasan/common.c:459 slab_free_hook mm/slub.c:1429 [inline] slab_free_freelist_hook+0x5e/0x140 mm/slub.c:1456 slab_free mm/slub.c:3003 [inline] kfree+0xce/0x280 mm/slub.c:3958 security_task_free+0x9a/0xf0 security/security.c:1470 __put_task_struct+0xec/0x4d0 kernel/fork.c:724 put_task_struct include/linux/sched/task.h:98 [inline] delayed_put_task_struct+0x189/0x290 kernel/exit.c:181 __rcu_reclaim kernel/rcu/rcu.h:227 [inline] rcu_do_batch kernel/rcu/tree.c:2475 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2788 [inline] rcu_core+0x843/0x1a90 kernel/rcu/tree.c:2769 __do_softirq+0x22a/0x8cd kernel/softirq.c:293 The buggy address belongs to the object at ffff88809fb50f60 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 66 bytes to the right of 64-byte region [ffff88809fb50f60, ffff88809fb50fa0) The buggy address belongs to the page: page:ffffea00027ed400 count:1 mapcount:0 mapping:ffff88812c3f5600 index:0xffff88809fb50de0 flags: 0xfff00000000200(slab) raw: 00fff00000000200 ffffea00027dbe80 0000001100000011 ffff88812c3f5600 raw: ffff88809fb50de0 00000000802a0028 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88809fb50e80: fc fc fc fc 00 00 00 00 00 00 fc fc fc fc fc fc ffff88809fb50f00: fb fb fb fb fb fb fb fb fc fc fc fc 00 00 00 00 >ffff88809fb50f80: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff88809fb51000: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fb fb ffff88809fb51080: fb fb fb fb fb fb fb fb fc fc fc fc fb fb fb fb ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/04/18 12:56 | https://github.com/google/kasan.git usb-fuzzer | d34f9519daaa | b0e8efcb | .config | console log | report | syz | C | ci2-upstream-usb | |||
2019/04/18 06:23 | https://github.com/google/kasan.git usb-fuzzer | d34f9519daaa | b0e8efcb | .config | console log | report | syz | C | ci2-upstream-usb | |||
2019/04/16 22:46 | https://github.com/google/kasan.git usb-fuzzer | 9a33b36996cb | 505ab413 | .config | console log | report | syz | C | ci2-upstream-usb | |||
2019/05/25 11:45 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 85c57315 | .config | console log | report | ci2-upstream-usb | |||||
2019/04/22 02:55 | https://github.com/google/kasan.git usb-fuzzer | d34f9519daaa | b0e8efcb | .config | console log | report | ci2-upstream-usb |