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HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 4dZ4VizjCZKR4LDC3CQjB6AqJSC7LxJxUFtrv/CLIClPT0c8d8OUtCb+gK4ia8C7Y1m+tNwA/Ni4M/WVE2kC4Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR11MB6086 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "WARNING:at_include/linux/fs.h:#file_has_valid_mmap_hooks" on: commit: 54fc2b63585940cce17810a9ef5d273087b0939e ("mm: introduce new .mmap_prepare() file callback") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master [test failed on linux-next/master edef457004774e598fc4c1b7d1d4f0bcd9d0bb30] in testcase: trinity version: trinity-i386-abe9de86-1_20230429 with following parameters: runtime: 300s group: group-00 nr_groups: 5 config: i386-randconfig-141-20250512 compiler: clang-20 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) +----------------------------------------------------------+------------+------------+ | | 7661dba205 | 54fc2b6358 | +----------------------------------------------------------+------------+------------+ | WARNING:at_include/linux/fs.h:#file_has_valid_mmap_hooks | 0 | 12 | | EIP:file_has_valid_mmap_hooks | 0 | 12 | +----------------------------------------------------------+------------+------------+ 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/202505141434.96ce5e5d-lkp@intel.com [ 81.501132][ T3731] ------------[ cut here ]------------ [ 81.502015][ T3731] WARNING: CPU: 0 PID: 3731 at include/linux/fs.h:2251 file_has_valid_mmap_hooks (kbuild/obj/consumer/i386-randconfig-141-20250512/include/linux/fs.h:2251 (discriminator 14)) [ 81.503344][ T3731] Modules linked in: [ 81.503951][ T3731] CPU: 0 UID: 65534 PID: 3731 Comm: trinity-c1 Not tainted 6.15.0-rc5-00294-g54fc2b635859 #1 PREEMPT(lazy) [ 81.505454][ T3731] EIP: file_has_valid_mmap_hooks (kbuild/obj/consumer/i386-randconfig-141-20250512/include/linux/fs.h:2251 (discriminator 14)) [ 81.506235][ T3731] Code: 8b 48 30 8b 90 84 00 00 00 85 c9 0f 95 c0 85 d2 0f 95 c4 20 c4 80 fc 01 74 0c b0 01 09 d1 74 0a 5d 31 c9 31 d2 c3 0f 0b eb 02 <0f> 0b 31 c0 eb f0 90 90 90 90 90 90 90 90 90 90 3e 8d 74 26 00 55 All code ======== 0: 8b 48 30 mov 0x30(%rax),%ecx 3: 8b 90 84 00 00 00 mov 0x84(%rax),%edx 9: 85 c9 test %ecx,%ecx b: 0f 95 c0 setne %al e: 85 d2 test %edx,%edx 10: 0f 95 c4 setne %ah 13: 20 c4 and %al,%ah 15: 80 fc 01 cmp $0x1,%ah 18: 74 0c je 0x26 1a: b0 01 mov $0x1,%al 1c: 09 d1 or %edx,%ecx 1e: 74 0a je 0x2a 20: 5d pop %rbp 21: 31 c9 xor %ecx,%ecx 23: 31 d2 xor %edx,%edx 25: c3 ret 26: 0f 0b ud2 28: eb 02 jmp 0x2c 2a:* 0f 0b ud2 <-- trapping instruction 2c: 31 c0 xor %eax,%eax 2e: eb f0 jmp 0x20 30: 90 nop 31: 90 nop 32: 90 nop 33: 90 nop 34: 90 nop 35: 90 nop 36: 90 nop 37: 90 nop 38: 90 nop 39: 90 nop 3a: 3e 8d 74 26 00 ds lea 0x0(%rsi,%riz,1),%esi 3f: 55 push %rbp Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 31 c0 xor %eax,%eax 4: eb f0 jmp 0xfffffffffffffff6 6: 90 nop 7: 90 nop 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 3e 8d 74 26 00 ds lea 0x0(%rsi,%riz,1),%esi 15: 55 push %rbp [ 81.508815][ T3731] EAX: d1880001 EBX: fffffff3 ECX: 00000000 EDX: 00000000 [ 81.509606][ T3731] ESI: ebd21c00 EDI: 00000001 EBP: ee6fbebc ESP: ee6fbebc [ 81.510420][ T3731] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 EFLAGS: 00010246 [ 81.511506][ T3731] CR0: 80050033 CR2: 042df000 CR3: 2e7c0000 CR4: 00040690 [ 81.512398][ T3731] Call Trace: [ 81.512840][ T3731] do_mmap (kbuild/obj/consumer/i386-randconfig-141-20250512/mm/mmap.c:?) [ 81.513390][ T3731] vm_mmap_pgoff (kbuild/obj/consumer/i386-randconfig-141-20250512/mm/util.c:579) [ 81.513966][ T3731] __ia32_sys_mmap_pgoff (kbuild/obj/consumer/i386-randconfig-141-20250512/mm/mmap.c:607 (discriminator 256)) [ 81.514625][ T3731] ia32_sys_call (kbuild/obj/consumer/i386-randconfig-141-20250512/./arch/x86/include/generated/asm/syscalls_32.h:318 (discriminator 201523200)) [ 81.515267][ T3731] __do_fast_syscall_32 (kbuild/obj/consumer/i386-randconfig-141-20250512/arch/x86/entry/syscall_32.c:?) [ 81.515980][ T3731] do_fast_syscall_32 (kbuild/obj/consumer/i386-randconfig-141-20250512/arch/x86/entry/syscall_32.c:331) [ 81.516686][ T3731] do_SYSENTER_32 (kbuild/obj/consumer/i386-randconfig-141-20250512/arch/x86/entry/syscall_32.c:369) [ 81.517325][ T3731] entry_SYSENTER_32 (kbuild/obj/consumer/i386-randconfig-141-20250512/arch/x86/entry/entry_32.S:836) [ 81.517972][ T3731] EIP: 0xb7f71539 [ 81.518452][ T3731] Code: 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 58 b8 77 00 00 00 cd 80 90 90 90 All code ======== 0: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 4: 10 07 adc %al,(%rdi) 6: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi a: 10 08 adc %cl,(%rax) c: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi ... 20: 00 51 52 add %dl,0x52(%rcx) 23:* 55 push %rbp <-- trapping instruction 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 2a: 5d pop %rbp 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 ret 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 90 nop 33: 90 nop 34: 90 nop 35: 58 pop %rax 36: b8 77 00 00 00 mov $0x77,%eax 3b: cd 80 int $0x80 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 5d pop %rbp 1: 5a pop %rdx 2: 59 pop %rcx 3: c3 ret 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 8: 90 nop 9: 90 nop a: 90 nop b: 58 pop %rax c: b8 77 00 00 00 mov $0x77,%eax 11: cd 80 int $0x80 13: 90 nop 14: 90 nop 15: 90 nop The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250514/202505141434.96ce5e5d-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki