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X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL4PR11MB8800 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "WARNING:at_kernel/tracepoint.c:#tracepoint_remove_func" on: commit: 957245e139f2cc743fe0e922292d532695bc7446 ("perf: Simplify perf_event_alloc() error path") https://git.kernel.org/cgit/linux/kernel/git/peterz/queue.git perf/pmu-unregister in testcase: trinity version: with following parameters: runtime: 300s group: group-02 nr_groups: 5 config: i386-randconfig-006-20250122 compiler: gcc-12 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) +--------------------------------------------------------+------------+------------+ | | b132a6f899 | 957245e139 | +--------------------------------------------------------+------------+------------+ | WARNING:at_kernel/tracepoint.c:#tracepoint_remove_func | 0 | 12 | | EIP:tracepoint_remove_func | 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/202501252026.e14cafc1-lkp@intel.com [ 28.022186][ T3556] ------------[ cut here ]------------ [ 28.023066][ T3556] WARNING: CPU: 0 PID: 3556 at kernel/tracepoint.c:358 tracepoint_remove_func (kernel/tracepoint.c:358 (discriminator 1)) [ 28.024406][ T3556] Modules linked in: [ 28.024976][ T3556] CPU: 0 UID: 0 PID: 3556 Comm: trinity-main Not tainted 6.13.0-rc1-00045-g957245e139f2 #1 5b670c1516a7ab6a07963dcfb7871776d6e3b5df [ 28.026633][ T3556] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 28.027890][ T3556] EIP: tracepoint_remove_func (kernel/tracepoint.c:358 (discriminator 1)) [ 28.028405][ T3556] Code: e8 39 16 74 0e 83 c0 0c 8b 10 85 d2 75 f0 e9 2f 01 00 00 8b 4e 04 39 48 04 75 ea c7 00 95 38 0e 41 eb e2 c7 45 f0 fe ff ff ff <0f> 0b 8b 45 f0 e9 1c 01 00 00 39 5d f0 0f 84 01 01 00 00 89 d8 e8 All code ======== 0: e8 39 16 74 0e call 0xe74163e 5: 83 c0 0c add $0xc,%eax 8: 8b 10 mov (%rax),%edx a: 85 d2 test %edx,%edx c: 75 f0 jne 0xfffffffffffffffe e: e9 2f 01 00 00 jmp 0x142 13: 8b 4e 04 mov 0x4(%rsi),%ecx 16: 39 48 04 cmp %ecx,0x4(%rax) 19: 75 ea jne 0x5 1b: c7 00 95 38 0e 41 movl $0x410e3895,(%rax) 21: eb e2 jmp 0x5 23: c7 45 f0 fe ff ff ff movl $0xfffffffe,-0x10(%rbp) 2a:* 0f 0b ud2 <-- trapping instruction 2c: 8b 45 f0 mov -0x10(%rbp),%eax 2f: e9 1c 01 00 00 jmp 0x150 34: 39 5d f0 cmp %ebx,-0x10(%rbp) 37: 0f 84 01 01 00 00 je 0x13e 3d: 89 d8 mov %ebx,%eax 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 8b 45 f0 mov -0x10(%rbp),%eax 5: e9 1c 01 00 00 jmp 0x126 a: 39 5d f0 cmp %ebx,-0x10(%rbp) d: 0f 84 01 01 00 00 je 0x114 13: 89 d8 mov %ebx,%eax 15: e8 .byte 0xe8 [ 28.029967][ T3556] EAX: 00000000 EBX: 4333d300 ECX: 00000000 EDX: 00000000 [ 28.030565][ T3556] ESI: 432d4924 EDI: 41c64038 EBP: 46975c10 ESP: 46975bf0 [ 28.031162][ T3556] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 EFLAGS: 00010246 [ 28.031857][ T3556] CR0: 80050033 CR2: 093fc02c CR3: 070576a0 CR4: 000406b0 [ 28.032493][ T3556] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 28.033089][ T3556] DR6: fffe0ff0 DR7: 00000400 [ 28.033518][ T3556] Call Trace: [ 28.033848][ T3556] ? show_regs (arch/x86/kernel/dumpstack.c:479 arch/x86/kernel/dumpstack.c:465) [ 28.034249][ T3556] ? tracepoint_remove_func (kernel/tracepoint.c:358 (discriminator 1)) [ 28.034739][ T3556] ? __warn (kernel/panic.c:748) [ 28.035122][ T3556] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 28.035534][ T3556] ? tracepoint_remove_func (kernel/tracepoint.c:358 (discriminator 1)) [ 28.036034][ T3556] ? exc_overflow (arch/x86/kernel/traps.c:301) [ 28.036454][ T3556] ? handle_bug (arch/x86/kernel/traps.c:285) [ 28.036854][ T3556] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 28.037283][ T3556] ? handle_exception (arch/x86/entry/entry_32.S:1048) [ 28.037737][ T3556] ? perf_trace_binder_update_page_range (drivers/android/./binder_trace.h:339) [ 28.038295][ T3556] ? atomic64_inc_return_cx8 (arch/x86/lib/atomic64_cx8_32.S:105) [ 28.038771][ T3556] ? exc_overflow (arch/x86/kernel/traps.c:301) [ 28.039186][ T3556] ? tracepoint_remove_func (kernel/tracepoint.c:358 (discriminator 1)) [ 28.039673][ T3556] ? exc_overflow (arch/x86/kernel/traps.c:301) [ 28.040113][ T3556] ? tracepoint_remove_func (kernel/tracepoint.c:358 (discriminator 1)) [ 28.040605][ T3556] ? __mutex_lock (kernel/locking/mutex.c:588 kernel/locking/mutex.c:735) [ 28.041030][ T3556] ? perf_trace_binder_update_page_range (drivers/android/./binder_trace.h:339) [ 28.041588][ T3556] ? tracepoint_probe_unregister (kernel/tracepoint.c:504) [ 28.042115][ T3556] ? perf_trace_binder_update_page_range (drivers/android/./binder_trace.h:339) [ 28.042678][ T3556] ? trace_event_reg (kernel/trace/trace_events.c:542) [ 28.043125][ T3556] ? perf_trace_event_unreg (include/linux/tracepoint.h:117 kernel/trace/trace_event_perf.c:168) [ 28.043608][ T3556] ? perf_trace_destroy (kernel/trace/trace_event_perf.c:242) [ 28.044072][ T3556] ? tp_perf_event_destroy (kernel/events/core.c:10437) [ 28.044531][ T3556] ? __free_event (kernel/events/core.c:5343) [ 28.044948][ T3556] ? perf_event_alloc (include/linux/err.h:41 kernel/events/core.c:12497) [ 28.045404][ T3556] ? __do_sys_perf_event_open (kernel/events/core.c:12907) [ 28.045909][ T3556] ? perf_prepare_header (kernel/events/core.c:8145) [ 28.046379][ T3556] ? __ia32_sys_perf_event_open (kernel/events/core.c:12797) [ 28.046878][ T3556] ? ia32_sys_call (kbuild/obj/consumer/i386-randconfig-006-20250122/./arch/x86/include/generated/asm/syscalls_32.h:337) [ 28.047317][ T3556] ? do_int80_syscall_32 (arch/x86/entry/common.c:165 arch/x86/entry/common.c:339) [ 28.047789][ T3556] ? __might_fault (mm/memory.c:6750 mm/memory.c:6744) [ 28.048218][ T3556] ? lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851 kernel/locking/lockdep.c:5814) [ 28.048643][ T3556] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4653) [ 28.049209][ T3556] ? syscall_exit_to_user_mode (kernel/entry/common.c:221) [ 28.049706][ T3556] ? do_int80_syscall_32 (arch/x86/entry/common.c:343) [ 28.050168][ T3556] ? __might_fault (mm/memory.c:6750 mm/memory.c:6744) [ 28.050593][ T3556] ? lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5872) [ 28.051011][ T3556] ? _copy_from_user (arch/x86/include/asm/uaccess_32.h:26 include/linux/uaccess.h:178 lib/usercopy.c:18) [ 28.051447][ T3556] ? perf_copy_attr (include/linux/uaccess.h:212 include/linux/uaccess.h:401 kernel/events/core.c:12519) [ 28.052019][ T3556] ? __do_sys_perf_event_open (kernel/events/core.c:12819) [ 28.052519][ T3556] ? perfmon_capable (include/linux/capability.h:197) [ 28.052948][ T3556] ? perf_allow_kernel (kernel/events/core.c:13687) [ 28.053395][ T3556] ? __do_sys_perf_event_open (kernel/events/core.c:12829) [ 28.053898][ T3556] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4653) [ 28.054465][ T3556] ? syscall_exit_to_user_mode (kernel/entry/common.c:221) [ 28.054963][ T3556] ? do_int80_syscall_32 (arch/x86/entry/common.c:343) [ 28.055427][ T3556] ? syscall_exit_to_user_mode (kernel/entry/common.c:221) [ 28.055944][ T3556] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4653) [ 28.056506][ T3556] ? syscall_exit_to_user_mode (kernel/entry/common.c:221) [ 28.056999][ T3556] ? do_int80_syscall_32 (arch/x86/entry/common.c:343) [ 28.057460][ T3556] ? exc_page_fault (arch/x86/mm/fault.c:1543) [ 28.057903][ T3556] ? entry_INT80_32 (arch/x86/entry/entry_32.S:945) [ 28.058348][ T3556] irq event stamp: 2189241 [ 28.058756][ T3556] hardirqs last enabled at (2189251): __up_console_sem (arch/x86/include/asm/irqflags.h:42 (discriminator 1) arch/x86/include/asm/irqflags.h:97 (discriminator 1) arch/x86/include/asm/irqflags.h:155 (discriminator 1) kernel/printk/printk.c:344 (discriminator 1)) [ 28.059530][ T3556] hardirqs last disabled at (2189260): __up_console_sem (kernel/printk/printk.c:342 (discriminator 1)) [ 28.060302][ T3556] softirqs last enabled at (2189108): handle_softirqs (kernel/softirq.c:401 kernel/softirq.c:582) [ 28.061076][ T3556] softirqs last disabled at (2189095): __do_softirq (kernel/softirq.c:589) [ 28.061812][ T3556] ---[ end trace 0000000000000000 ]--- [ 28.193713][ T3556] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 28.195493][ T3556] trinity-main uses obsolete (PF_INET,SOCK_PACKET) [ 28.231307][ T3556] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 317.381340][ T306] sh: can't kill pid 3553: No such process LKP: ttyS0: 273: LKP: rebooting forcely [ 324.872695][ T273] sysrq: Emergency Sync [ 324.874299][ T7] Emergency Sync complete [ 324.875652][ T273] sysrq: Resetting The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250125/202501252026.e14cafc1-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki