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[syzbot] [usb?] KCSAN: data-race in mon_reader_del / usb_hcd_submit_urb (4) | 0 (1) | 2024/11/07 11:23 |
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[syzbot] [usb?] KCSAN: data-race in mon_reader_del / usb_hcd_submit_urb (4) | 0 (1) | 2024/11/07 11:23 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in mon_reader_del / usb_hcd_submit_urb (3) usb | 1 | 102d | 102d | 0/28 | auto-obsoleted due to no activity on 2024/09/03 21:44 | |||
upstream | KCSAN: data-race in mon_reader_del / usb_hcd_submit_urb (2) usb | 2 | 182d | 186d | 0/28 | auto-obsoleted due to no activity on 2024/06/15 17:54 | |||
upstream | KCSAN: data-race in mon_reader_del / usb_hcd_submit_urb usb | 1 | 562d | 562d | 0/28 | auto-obsoleted due to no activity on 2023/06/01 00:30 |
================================================================== BUG: KCSAN: data-race in mon_reader_del / usb_hcd_submit_urb write to 0xffff8881026af088 of 4 bytes by task 22112 on cpu 1: mon_stop drivers/usb/mon/mon_main.c:166 [inline] mon_reader_del+0x1bd/0x260 drivers/usb/mon/mon_main.c:73 mon_bin_release+0x66/0x120 drivers/usb/mon/mon_bin.c:793 __fput+0x17a/0x6d0 fs/file_table.c:431 ____fput+0x1c/0x30 fs/file_table.c:459 task_work_run+0x13a/0x1a0 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0x5dd/0x17f0 kernel/exit.c:939 do_group_exit+0x102/0x150 kernel/exit.c:1088 get_signal+0xf2a/0x1070 kernel/signal.c:2917 arch_do_signal_or_restart+0x95/0x4b0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x59/0x130 kernel/entry/common.c:218 do_syscall_64+0xd6/0x1c0 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff8881026af088 of 4 bytes by task 5308 on cpu 0: usbmon_urb_submit include/linux/usb/hcd.h:723 [inline] usb_hcd_submit_urb+0x86/0x1510 drivers/usb/core/hcd.c:1518 usb_submit_urb+0xa80/0xb70 drivers/usb/core/urb.c:581 usb_start_wait_urb+0x91/0x190 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x182/0x240 drivers/usb/core/message.c:154 get_port_status drivers/usb/core/hub.c:604 [inline] hub_ext_port_status+0xbf/0x480 drivers/usb/core/hub.c:621 usb_hub_port_status drivers/usb/core/hub.c:671 [inline] port_event drivers/usb/core/hub.c:5714 [inline] hub_event+0x538/0x2910 drivers/usb/core/hub.c:5903 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x00000001 -> 0x00000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 5308 Comm: kworker/0:4 Tainted: G W 6.12.0-rc6-syzkaller-00099-g7758b206117d #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: usb_hub_wq hub_event ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/11/07 07:17 | upstream | 7758b206117d | df3dc63b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in mon_reader_del / usb_hcd_submit_urb |