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================================================================== BUG: KCSAN: data-race in usbdev_ioctl / usbdev_ioctl write to 0xffff888102abe6b8 of 4 bytes by task 20349 on cpu 1: inode_set_atime_to_ts include/linux/fs.h:1610 [inline] usbdev_do_ioctl drivers/usb/core/devio.c:2815 [inline] usbdev_ioctl+0x6b6/0x3e00 drivers/usb/core/devio.c:2824 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xcd/0x140 fs/ioctl.c:893 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:893 x64_sys_call+0x15cc/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f write to 0xffff888102abe6b8 of 4 bytes by task 20314 on cpu 0: inode_set_atime_to_ts include/linux/fs.h:1610 [inline] usbdev_do_ioctl drivers/usb/core/devio.c:2815 [inline] usbdev_ioctl+0x6b6/0x3e00 drivers/usb/core/devio.c:2824 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xcd/0x140 fs/ioctl.c:893 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:893 x64_sys_call+0x15cc/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x32651178 -> 0x342ed4f9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 20314 Comm: syz.3.6077 Not tainted 6.12.0-rc4-syzkaller-00045-gd12937763990 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/10/22 19:30 | upstream | d12937763990 | a93682b3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in usbdev_ioctl / usbdev_ioctl | ||
2024/09/30 11:27 | upstream | 9852d85ec9d4 | ba29ff75 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in usbdev_ioctl / usbdev_ioctl | ||
2024/09/07 13:43 | upstream | b31c44928842 | 9750182a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in usbdev_ioctl / usbdev_ioctl |