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usb 6-1: USB disconnect, device number 10 ===================================================== BUG: KMSAN: use-after-free in __list_add include/linux/list.h:60 [inline] BUG: KMSAN: use-after-free in list_add_tail include/linux/list.h:93 [inline] BUG: KMSAN: use-after-free in __mutex_add_waiter kernel/locking/mutex.c:213 [inline] BUG: KMSAN: use-after-free in __mutex_lock_common kernel/locking/mutex.c:985 [inline] BUG: KMSAN: use-after-free in __mutex_lock+0x958/0x19c0 kernel/locking/mutex.c:1103 CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc2+ #0 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+0x191/0x1f0 lib/dump_stack.c:113 kmsan_report+0x153/0x2c0 mm/kmsan/kmsan_report.c:113 __msan_warning+0x73/0xe0 mm/kmsan/kmsan_instr.c:250 __list_add_valid+0x1b6/0x430 lib/list_debug.c:23 __list_add include/linux/list.h:60 [inline] list_add_tail include/linux/list.h:93 [inline] __mutex_add_waiter kernel/locking/mutex.c:213 [inline] __mutex_lock_common kernel/locking/mutex.c:985 [inline] __mutex_lock+0x958/0x19c0 kernel/locking/mutex.c:1103 __mutex_lock_slowpath+0x2c/0x30 kernel/locking/mutex.c:1364 mutex_lock+0x5d/0x80 kernel/locking/mutex.c:284 iowarrior_disconnect+0x133/0x3e0 drivers/usb/misc/iowarrior.c:878 usb_unbind_interface+0x3a2/0xdd0 drivers/usb/core/driver.c:423 __device_release_driver drivers/base/dd.c:1134 [inline] device_release_driver_internal+0x96f/0xd80 drivers/base/dd.c:1165 device_release_driver+0x4b/0x60 drivers/base/dd.c:1188 bus_remove_device+0x4bf/0x670 drivers/base/bus.c:532 device_del+0xcd5/0x1cb0 drivers/base/core.c:2375 usb_disable_device+0x567/0x1150 drivers/usb/core/message.c:1241 usb_disconnect+0x51e/0xd60 drivers/usb/core/hub.c:2199 hub_port_connect drivers/usb/core/hub.c:4949 [inline] hub_port_connect_change drivers/usb/core/hub.c:5213 [inline] port_event drivers/usb/core/hub.c:5359 [inline] hub_event+0x3fd0/0x72f0 drivers/usb/core/hub.c:5441 process_one_work+0x1572/0x1ef0 kernel/workqueue.c:2269 worker_thread+0x111b/0x2460 kernel/workqueue.c:2415 kthread+0x4b5/0x4f0 kernel/kthread.c:256 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:154 [inline] kmsan_internal_poison_shadow+0x60/0x120 mm/kmsan/kmsan.c:137 kmsan_slab_free+0x8d/0x100 mm/kmsan/kmsan_hooks.c:123 slab_free_freelist_hook mm/slub.c:1473 [inline] slab_free mm/slub.c:3040 [inline] kfree+0x4c1/0x2db0 mm/slub.c:3982 iowarrior_delete drivers/usb/misc/iowarrior.c:246 [inline] iowarrior_release+0x334/0x3a0 drivers/usb/misc/iowarrior.c:670 __fput+0x4c9/0xba0 fs/file_table.c:280 ____fput+0x37/0x40 fs/file_table.c:313 task_work_run+0x22e/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x39d/0x4d0 arch/x86/entry/common.c:194 syscall_return_slowpath+0x90/0x610 arch/x86/entry/common.c:274 do_syscall_64+0xdc/0x160 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x63/0xe7
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/10/10 09:03 | https://github.com/google/kmsan.git master | dc327ecad3b0 | c4b9981b | .config | console log | report | syz | C | ci-upstream-kmsan-gce | |||
2019/10/09 19:43 | https://github.com/google/kmsan.git master | eff1487c45ce | 312c6a5a | .config | console log | report | syz | C | ci-upstream-kmsan-gce | |||
2019/10/09 06:15 | https://github.com/google/kmsan.git master | cebb918b7474 | b1ebbfef | .config | console log | report | syz | C | ci-upstream-kmsan-gce | |||
2019/10/09 05:00 | https://github.com/google/kmsan.git master | cebb918b7474 | b1ebbfef | .config | console log | report | syz | C | ci-upstream-kmsan-gce | |||
2019/10/14 12:04 | https://github.com/google/kmsan.git master | a1a7d049fdec | a6aef847 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/14 10:14 | https://github.com/google/kmsan.git master | fa1690255288 | a6aef847 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/14 09:13 | https://github.com/google/kmsan.git master | fa1690255288 | 2f661ec4 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/14 08:34 | https://github.com/google/kmsan.git master | fa1690255288 | 2f661ec4 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/13 22:57 | https://github.com/google/kmsan.git master | fa1690255288 | 2f661ec4 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/13 15:50 | https://github.com/google/kmsan.git master | fa1690255288 | 2f661ec4 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/13 11:42 | https://github.com/google/kmsan.git master | fa1690255288 | 2f661ec4 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/13 08:07 | https://github.com/google/kmsan.git master | fa1690255288 | 426631dd | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/13 04:36 | https://github.com/google/kmsan.git master | fa1690255288 | 426631dd | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/12 18:59 | https://github.com/google/kmsan.git master | fa1690255288 | 426631dd | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/12 08:58 | https://github.com/google/kmsan.git master | fa1690255288 | 426631dd | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/12 07:16 | https://github.com/google/kmsan.git master | dde8031634c3 | 426631dd | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/11 09:07 | https://github.com/google/kmsan.git master | c38191cb7026 | 1a3bad90 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/10 19:02 | https://github.com/google/kmsan.git master | c38191cb7026 | a4efa8c0 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/09 23:51 | https://github.com/google/kmsan.git master | dc327ecad3b0 | c4b9981b | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/09 05:15 | https://github.com/google/kmsan.git master | cebb918b7474 | b1ebbfef | .config | console log | report | ci-upstream-kmsan-gce | |||||
2019/10/08 14:32 | https://github.com/google/kmsan.git master | cebb918b7474 | 137e37ca | .config | console log | report | ci-upstream-kmsan-gce |