================================================================== BUG: KCSAN: data-race in mon_reader_del / usb_hcd_submit_urb write to 0xffff888101e9e088 of 4 bytes by task 13834 on cpu 1: mon_stop drivers/usb/mon/mon_main.c:166 [inline] mon_reader_del+0x1ba/0x260 drivers/usb/mon/mon_main.c:73 mon_bin_release+0x6c/0x130 drivers/usb/mon/mon_bin.c:793 __fput+0x2c1/0x660 fs/file_table.c:422 __fput_sync+0x44/0x60 fs/file_table.c:507 __do_sys_close fs/open.c:1556 [inline] __se_sys_close+0x101/0x1b0 fs/open.c:1541 __x64_sys_close+0x1f/0x30 fs/open.c:1541 x64_sys_call+0x25b9/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:4 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff888101e9e088 of 4 bytes by task 13864 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+0xb12/0xbc0 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] hub_activate+0x4c8/0xf30 drivers/usb/core/hub.c:1181 hub_resume+0x48/0x1e0 drivers/usb/core/hub.c:4006 usb_resume_interface drivers/usb/core/driver.c:1365 [inline] usb_resume_both+0x3ed/0x5b0 drivers/usb/core/driver.c:1525 usb_runtime_resume+0x21/0x30 drivers/usb/core/driver.c:1979 __rpm_callback+0x299/0x720 drivers/base/power/runtime.c:394 rpm_callback drivers/base/power/runtime.c:448 [inline] rpm_resume+0x8e6/0xd00 drivers/base/power/runtime.c:914 __pm_runtime_resume+0xdc/0x100 drivers/base/power/runtime.c:1172 pm_runtime_resume_and_get include/linux/pm_runtime.h:430 [inline] usb_autoresume_device+0x25/0xd0 drivers/usb/core/driver.c:1713 usbdev_open+0xfe/0x480 drivers/usb/core/devio.c:1055 chrdev_open+0x323/0x3a0 fs/char_dev.c:414 do_dentry_open+0x63c/0xbe0 fs/open.c:955 vfs_open+0x4a/0x60 fs/open.c:1089 do_open fs/namei.c:3642 [inline] path_openat+0x18ba/0x1d80 fs/namei.c:3799 do_filp_open+0xf7/0x200 fs/namei.c:3826 do_sys_openat2+0xab/0x120 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0xf3/0x120 fs/open.c:1432 x64_sys_call+0x2cad/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x00000001 -> 0x00000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 13864 Comm: syz-executor.0 Tainted: G W 6.9.0-rc7-syzkaller-00012-gdccb07f2914c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 ==================================================================