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X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR11MB4589 X-OriginatorOrg: intel.com Hello, we've reported this issue in https://lore.kernel.org/all/202407022125.e7ba93db-oliver.sang@intel.com/ now we noticed it's merged into mainline. but the issue still exists in our tests. below details FYI. kernel test robot noticed "ltp.ioctl_loop06.fail" on: commit: 18048c1af7836b8e31739d9eaefebc2bf76261f7 ("loop: Fix a race between loop detach and loop open") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linus/master 3a7e02c040b130b5545e4b115aada7bacd80a2b6] [test failed on linux-next/master 668d33c9ff922c4590c58754ab064aaf53c387dd] in testcase: ltp version: ltp-x86_64-14c1f76-1_20240629 with following parameters: disk: 1HDD fs: btrfs test: syscalls-01/ioctl_loop06 compiler: gcc-13 test machine: 4 threads 1 sockets Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz (Ivy Bridge) with 8G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202407291554.5c76ba13-oliver.sang@intel.com Running tests....... <<>> tag=ioctl_loop06 stime=1719779316 cmdline="ioctl_loop06" contacts="" analysis=exit <<>> tst_test.c:1734: TINFO: LTP version: 20240524-67-g072f359ac tst_test.c:1618: TINFO: Timeout per run is 0h 02m 30s tst_device.c:96: TINFO: Found free device 0 '/dev/loop0' ioctl_loop06.c:74: TINFO: Using LOOP_SET_BLOCK_SIZE with arg < 512 ioctl_loop06.c:65: TPASS: Set block size failed as expected: EINVAL (22) ioctl_loop06.c:74: TINFO: Using LOOP_SET_BLOCK_SIZE with arg > PAGE_SIZE ioctl_loop06.c:65: TPASS: Set block size failed as expected: EINVAL (22) ioctl_loop06.c:74: TINFO: Using LOOP_SET_BLOCK_SIZE with arg != power_of_2 ioctl_loop06.c:65: TPASS: Set block size failed as expected: EINVAL (22) ioctl_loop06.c:74: TINFO: Using LOOP_CONFIGURE with block_size < 512 ioctl_loop06.c:67: TFAIL: Set block size failed expected EINVAL got: EBUSY (16) ioctl_loop06.c:74: TINFO: Using LOOP_CONFIGURE with block_size > PAGE_SIZE ioctl_loop06.c:67: TFAIL: Set block size failed expected EINVAL got: EBUSY (16) ioctl_loop06.c:74: TINFO: Using LOOP_CONFIGURE with block_size != power_of_2 ioctl_loop06.c:67: TFAIL: Set block size failed expected EINVAL got: EBUSY (16) Summary: passed 3 failed 3 broken 0 skipped 0 warnings 0 incrementing stop <<>> initiation_status="ok" duration=0 termination_type=exited termination_id=1 corefile=no cutime=0 cstime=23 <<>> INFO: ltp-pan reported some tests FAIL LTP Version: 20240524-67-g072f359ac ############################################################### Done executing testcases. LTP Version: 20240524-67-g072f359ac ############################################################### The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240729/202407291554.5c76ba13-oliver.sang@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki