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X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR11MB7778 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "WARNING:at_kernel/trace/trace_events.c:#trace_event_raw_init" on: commit: 65a25d9f7ac02e0cf361356e834d1c71d36acca9 ("tracing: Add "%s" check in test_event_printk()") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linus/master 8faabc041a001140564f718dabe37753e88b37fa] [test failed on linux-next/master 8155b4ef3466f0e289e8fcc9e6e62f3f4dceeac2] in testcase: boot config: i386-randconfig-053-20241220 compiler: clang-19 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) +--------------------------------------------------------------+------------+------------+ | | 917110481f | 65a25d9f7a | +--------------------------------------------------------------+------------+------------+ | WARNING:at_kernel/trace/trace_events.c:#trace_event_raw_init | 0 | 18 | | EIP:trace_event_raw_init | 0 | 18 | +--------------------------------------------------------------+------------+------------+ 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/202412242355.7e1a8e45-lkp@intel.com [ 0.503105][ T0] ------------[ cut here ]------------ [ 0.503689][ T0] WARNING: CPU: 0 PID: 0 at kernel/trace/trace_events.c:565 trace_event_raw_init (kernel/trace/trace_events.c:565 (discriminator 12)) [ 0.504700][ T0] Modules linked in: [ 0.505081][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G T 6.13.0-rc3-00003-g65a25d9f7ac0 #1 6c7ccd2413e19711a46a7487fb4ceeafbe928cd0 [ 0.506382][ T0] Tainted: [T]=RANDSTRUCT [ 0.506662][ T0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 0.507644][ T0] EIP: trace_event_raw_init (kernel/trace/trace_events.c:565 (discriminator 12)) [ 0.508190][ T0] Code: 89 f0 83 c4 04 09 f8 75 21 b8 88 b2 60 84 89 da 31 c9 6a 00 e8 cf e5 ff ff 83 c4 04 31 c0 8d 65 f4 5e 5f 5b 5d 31 c9 31 d2 c3 <0f> 0b b8 88 b2 60 84 89 da 31 c9 6a 00 e8 ac e5 ff ff 89 f2 83 c4 All code ======== 0: 89 f0 mov %esi,%eax 2: 83 c4 04 add $0x4,%esp 5: 09 f8 or %edi,%eax 7: 75 21 jne 0x2a 9: b8 88 b2 60 84 mov $0x8460b288,%eax e: 89 da mov %ebx,%edx 10: 31 c9 xor %ecx,%ecx 12: 6a 00 push $0x0 14: e8 cf e5 ff ff call 0xffffffffffffe5e8 19: 83 c4 04 add $0x4,%esp 1c: 31 c0 xor %eax,%eax 1e: 8d 65 f4 lea -0xc(%rbp),%esp 21: 5e pop %rsi 22: 5f pop %rdi 23: 5b pop %rbx 24: 5d pop %rbp 25: 31 c9 xor %ecx,%ecx 27: 31 d2 xor %edx,%edx 29: c3 ret 2a:* 0f 0b ud2 <-- trapping instruction 2c: b8 88 b2 60 84 mov $0x8460b288,%eax 31: 89 da mov %ebx,%edx 33: 31 c9 xor %ecx,%ecx 35: 6a 00 push $0x0 37: e8 ac e5 ff ff call 0xffffffffffffe5e8 3c: 89 f2 mov %esi,%edx 3e: 83 .byte 0x83 3f: c4 .byte 0xc4 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: b8 88 b2 60 84 mov $0x8460b288,%eax 7: 89 da mov %ebx,%edx 9: 31 c9 xor %ecx,%ecx b: 6a 00 push $0x0 d: e8 ac e5 ff ff call 0xffffffffffffe5be 12: 89 f2 mov %esi,%edx 14: 83 .byte 0x83 15: c4 .byte 0xc4 [ 0.510118][ T0] EAX: 00000018 EBX: 00000001 ECX: 00000000 EDX: 00000000 [ 0.510764][ T0] ESI: 00000018 EDI: 00000000 EBP: 83f67f3c ESP: 83f67ea0 [ 0.511422][ T0] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00210006 [ 0.512164][ T0] CR0: 80050033 CR2: ff9ff000 CR3: 048d9000 CR4: 00000090 [ 0.512839][ T0] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 0.513519][ T0] DR6: fffe0ff0 DR7: 00000400 [ 0.513962][ T0] Call Trace: [ 0.514276][ T0] ? show_regs (arch/x86/kernel/dumpstack.c:478 (discriminator 1)) [ 0.514680][ T0] ? trace_event_raw_init (kernel/trace/trace_events.c:565 (discriminator 12)) [ 0.515186][ T0] ? __warn (kernel/panic.c:242 kernel/panic.c:748) [ 0.515576][ T0] ? trace_event_raw_init (kernel/trace/trace_events.c:565 (discriminator 12)) [ 0.516094][ T0] ? report_bug (lib/bug.c:199 (discriminator 2)) [ 0.516522][ T0] ? exc_overflow (arch/x86/kernel/traps.c:301) [ 0.516952][ T0] ? handle_bug (arch/x86/kernel/traps.c:?) [ 0.517363][ T0] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 0.517815][ T0] ? handle_exception (arch/x86/entry/entry_32.S:1048) [ 0.518296][ T0] ? exc_overflow (arch/x86/kernel/traps.c:301) [ 0.518704][ T0] ? trace_event_raw_init (kernel/trace/trace_events.c:565 (discriminator 12)) [ 0.519182][ T0] ? exc_overflow (arch/x86/kernel/traps.c:301) [ 0.519614][ T0] ? trace_event_raw_init (kernel/trace/trace_events.c:565 (discriminator 12)) [ 0.520146][ T0] ? __set_enter_print_fmt (kernel/trace/trace_syscalls.c:227 (discriminator 3)) [ 0.520642][ T0] ? set_syscall_print_fmt (kernel/trace/trace_syscalls.c:256) [ 0.521139][ T0] event_init (kernel/trace/trace_events.c:2832) [ 0.521533][ T0] event_trace_enable (kernel/trace/trace_events.c:4163) [ 0.522007][ T0] trace_event_init (kernel/trace/trace_events.c:4256) [ 0.522452][ T0] trace_init (kernel/trace/trace.c:10838) [ 0.522824][ T0] start_kernel (init/main.c:999) [ 0.523252][ T0] i386_start_kernel (arch/x86/kernel/head32.c:79 (discriminator 1)) [ 0.523740][ T0] startup_32_smp (arch/x86/kernel/head_32.S:292) [ 0.524202][ T0] irq event stamp: 0 [ 0.524575][ T0] hardirqs last enabled at (0): 0x0 [ 0.525196][ T0] hardirqs last disabled at (0): 0x0 [ 0.525821][ T0] softirqs last enabled at (0): 0x0 [ 0.526405][ T0] softirqs last disabled at (0): 0x0 [ 0.526966][ T0] ---[ end trace 0000000000000000 ]--- [ 0.527479][ T0] event xe_bo_move has unsafe dereference of argument 4 [ 0.528145][ T0] print_fmt: "move_lacks_source:%s, migrate object %p [size %zu] from %s to %s device_id:%s", REC->move_lacks_source ? "yes" : "no", REC->bo, REC->size, xe_mem_type_to_name[REC->old_placement], xe_mem_type_to_name[REC->new_placement], __get_str(device_id) The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20241224/202412242355.7e1a8e45-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki