Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported |
---|---|---|---|---|---|---|
possible deadlock in open_rio usb | 1107 | 1888d | 1924d |
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Title | Replies (including bot) | Last reply |
---|---|---|
possible deadlock in open_rio (2) | 4 (5) | 2019/09/17 15:03 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | possible deadlock in open_rio (3) usb | C | 169 | 1876d | 1878d | 13/28 | fixed on 2019/10/15 23:40 | ||
upstream | possible deadlock in open_rio usb | 1107 | 1888d | 1924d | 12/28 | fixed on 2019/09/07 04:24 |
====================================================== WARNING: possible circular locking dependency detected 5.3.0-rc7+ #0 Not tainted ------------------------------------------------------ syz-executor071/1724 is trying to acquire lock: 00000000f749c934 (rio500_mutex){+.+.}, at: open_rio+0x16/0xe0 drivers/usb/misc/rio500.c:65 but task is already holding lock: 000000009c24ba51 (minor_rwsem){++++}, at: usb_open+0x23/0x270 drivers/usb/core/file.c:39 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (minor_rwsem){++++}: down_write+0x92/0x150 kernel/locking/rwsem.c:1500 usb_register_dev drivers/usb/core/file.c:187 [inline] usb_register_dev+0x131/0x670 drivers/usb/core/file.c:156 probe_rio.cold+0x53/0x237 drivers/usb/misc/rio500.c:474 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361 really_probe+0x281/0x6d0 drivers/base/dd.c:548 driver_probe_device+0x101/0x1b0 drivers/base/dd.c:721 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:894 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2165 usb_set_configuration+0xdf6/0x1670 drivers/usb/core/message.c:2023 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210 usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266 really_probe+0x281/0x6d0 drivers/base/dd.c:548 driver_probe_device+0x101/0x1b0 drivers/base/dd.c:721 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:894 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2165 usb_new_device.cold+0x6a4/0xe79 drivers/usb/core/hub.c:2536 hub_port_connect drivers/usb/core/hub.c:5098 [inline] hub_port_connect_change drivers/usb/core/hub.c:5213 [inline] port_event drivers/usb/core/hub.c:5359 [inline] hub_event+0x1b5c/0x3640 drivers/usb/core/hub.c:5441 process_one_work+0x92b/0x1530 kernel/workqueue.c:2269 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x318/0x420 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 -> #0 (rio500_mutex){+.+.}: check_prev_add kernel/locking/lockdep.c:2405 [inline] check_prevs_add kernel/locking/lockdep.c:2507 [inline] validate_chain kernel/locking/lockdep.c:2897 [inline] __lock_acquire+0x1f7c/0x3b50 kernel/locking/lockdep.c:3880 lock_acquire+0x127/0x320 kernel/locking/lockdep.c:4412 __mutex_lock_common kernel/locking/mutex.c:930 [inline] __mutex_lock+0x158/0x1360 kernel/locking/mutex.c:1077 open_rio+0x16/0xe0 drivers/usb/misc/rio500.c:65 usb_open+0x1df/0x270 drivers/usb/core/file.c:48 chrdev_open+0x219/0x5c0 fs/char_dev.c:414 do_dentry_open+0x494/0x1120 fs/open.c:797 do_last fs/namei.c:3416 [inline] path_openat+0x1430/0x3f50 fs/namei.c:3533 do_filp_open+0x1a1/0x280 fs/namei.c:3563 do_sys_open+0x3c0/0x580 fs/open.c:1089 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(minor_rwsem); lock(rio500_mutex); lock(minor_rwsem); lock(rio500_mutex); *** DEADLOCK *** 1 lock held by syz-executor071/1724: #0: 000000009c24ba51 (minor_rwsem){++++}, at: usb_open+0x23/0x270 drivers/usb/core/file.c:39 stack backtrace: CPU: 0 PID: 1724 Comm: syz-executor071 Not tainted 5.3.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 check_noncircular+0x345/0x3e0 kernel/locking/lockdep.c:1741 check_prev_add kernel/locking/lockdep.c:2405 [inline] check_prevs_add kernel/locking/lockdep.c:2507 [inline] validate_chain kernel/locking/lockdep.c:2897 [inline] __lock_acquire+0x1f7c/0x3b50 kernel/locking/lockdep.c:3880 lock_acquire+0x127/0x320 kernel/locking/lockdep.c:4412 __mutex_lock_common kernel/locking/mutex.c:930 [inline] __mutex_lock+0x158/0x1360 kernel/locking/mutex.c:1077 open_rio+0x16/0xe0 drivers/usb/misc/rio500.c:65 usb_open+0x1df/0x270 drivers/usb/core/file.c:48 chrdev_open+0x219/0x5c0 fs/char_dev.c:414 do_dentry_open+0x494/0x1120 fs/open.c:797 do_last fs/namei.c:3416 [inline] path_openat+0x1430/0x3f50 fs/namei.c:3533 do_filp_open+0x1a1/0x280 fs/namei.c:3563 do_sys_open+0x3c0/0x580 fs/open.c:1089 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x401130 Code: 01 f0 ff ff 0f 83 00 0b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 5d 0c 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 0a 00 00 c3 48 83 ec 08 e8 3a 00 00 00 RSP: 002b:00007ffca0216788 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000401130 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffca02167a0 RBP: 00000000006cb018 R08: 0000000000000000 R09: 000000000000000f R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000402090 R13: 0000000000402120 R14: 0000000000000000 R15: 00
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/09/07 07:06 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | a60cb4cd | .config | console log | report | syz | C | ci2-upstream-usb | |||
2019/09/16 15:13 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 55c50e70 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/16 13:46 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 55c50e70 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/16 11:07 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 55c50e70 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/16 09:13 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 55c50e70 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/16 07:26 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/16 05:57 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/16 04:54 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/16 03:50 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/16 02:55 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/16 01:50 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/16 00:46 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 23:32 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 22:31 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 21:31 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 20:29 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 19:19 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 18:14 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 17:11 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 16:05 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 15:04 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 13:40 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 12:38 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 11:25 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 10:14 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 08:29 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 07:28 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 06:24 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 05:17 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 04:51 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 03:42 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 02:13 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/15 00:53 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/14 23:15 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/14 22:16 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/14 21:13 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/14 19:50 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/14 18:46 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/14 17:35 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/14 16:28 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/14 15:04 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/14 13:47 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/14 12:09 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/14 11:02 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/14 09:41 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/14 08:43 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | 32d59357 | .config | console log | report | ci2-upstream-usb | |||||
2019/09/07 06:40 | https://github.com/google/kasan.git usb-fuzzer | f0df5c1be1e9 | a60cb4cd | .config | console log | report | ci2-upstream-usb |