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X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR11MB8423 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "BUG:TASK_stack_guard_page_was_hit_at#(stack_is#..#)" on: commit: 6cd0dd934b03d4ee4094ac474108723e2f2ed7d6 ("kcov: Add interrupt handling self test") https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git x86/build [test failed on linux-next/master 985bf40edf4343dcb04c33f58b40b4a85c1776d4] in testcase: boot 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) +-------------------------------------------------------+------------+------------+ | | 477d81a1c4 | 6cd0dd934b | +-------------------------------------------------------+------------+------------+ | boot_successes | 18 | 0 | | BUG:TASK_stack_guard_page_was_hit_at#(stack_is#..#) | 0 | 18 | | Oops:stack_guard_page:#[##]SMP_KASAN | 0 | 18 | | RIP:error_entry | 0 | 18 | | Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 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/202409031007.2c7c62aa-oliver.sang@intel.com [ 27.611227][ C1] BUG: TASK stack guard page was hit at ffffc90000017ff8 (stack is ffffc90000018000..ffffc90000020000) [ 27.611227][ C1] Oops: stack guard page: 0000 [#1] SMP KASAN [ 27.611227][ C1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.11.0-rc2-00002-g6cd0dd934b03 #1 [ 27.611227][ C1] RIP: 0010:error_entry (arch/x86/entry/entry_64.S:1007) [ 27.611227][ C1] Code: 0a f3 48 0f ae db e9 f7 fd ff ff 85 db 0f 85 ef fd ff ff 0f 01 f8 e9 e7 fd ff ff 0f 1f 40 00 56 48 8b 74 24 08 48 89 7c 24 08 <52> 51 50 41 50 41 51 41 52 41 53 53 55 41 54 41 55 41 56 41 57 56 All code ======== 0: 0a f3 or %bl,%dh 2: 48 0f ae rex.W (bad) 5: db e9 fucomi %st(1),%st 7: f7 fd idiv %ebp 9: ff (bad) a: ff 85 db 0f 85 ef incl -0x107af025(%rbp) 10: fd std 11: ff (bad) 12: ff 0f decl (%rdi) 14: 01 f8 add %edi,%eax 16: e9 e7 fd ff ff jmpq 0xfffffffffffffe02 1b: 0f 1f 40 00 nopl 0x0(%rax) 1f: 56 push %rsi 20: 48 8b 74 24 08 mov 0x8(%rsp),%rsi 25: 48 89 7c 24 08 mov %rdi,0x8(%rsp) 2a:* 52 push %rdx <-- trapping instruction 2b: 51 push %rcx 2c: 50 push %rax 2d: 41 50 push %r8 2f: 41 51 push %r9 31: 41 52 push %r10 33: 41 53 push %r11 35: 53 push %rbx 36: 55 push %rbp 37: 41 54 push %r12 39: 41 55 push %r13 3b: 41 56 push %r14 3d: 41 57 push %r15 3f: 56 push %rsi Code starting with the faulting instruction =========================================== 0: 52 push %rdx 1: 51 push %rcx 2: 50 push %rax 3: 41 50 push %r8 5: 41 51 push %r9 7: 41 52 push %r10 9: 41 53 push %r11 b: 53 push %rbx c: 55 push %rbp d: 41 54 push %r12 f: 41 55 push %r13 11: 41 56 push %r14 13: 41 57 push %r15 15: 56 push %rsi [ 27.611227][ C1] RSP: 0000:ffffc90000018000 EFLAGS: 00010046 [ 27.611227][ C1] RAX: 0000000000000002 RBX: ffffc90000018078 RCX: ffffffffb818de45 [ 27.611227][ C1] RDX: 0000000000000000 RSI: ffffffffbaa011ad RDI: 0000000000000000 [ 27.611227][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.611227][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 27.611227][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 27.611227][ C1] FS: 0000000000000000(0000) GS:ffff8883a8200000(0000) knlGS:0000000000000000 [ 27.611227][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.611227][ C1] CR2: ffffc90000017ff8 CR3: 00000003f3ecf000 CR4: 00000000000406f0 [ 27.611227][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.611227][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.611227][ C1] Call Trace: [ 27.611227][ C1] <#DF> [ 27.611227][ C1] ? show_regs (arch/x86/kernel/dumpstack.c:478) [ 27.611227][ C1] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447) [ 27.611227][ C1] ? handle_stack_overflow (arch/x86/kernel/traps.c:329) [ 27.611227][ C1] ? get_stack_info_noinstr (arch/x86/kernel/dumpstack_64.c:173) [ 27.611227][ C1] ? exc_double_fault (arch/x86/kernel/traps.c:380) [ 27.611227][ C1] ? asm_exc_double_fault (arch/x86/include/asm/idtentry.h:668) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? error_entry (arch/x86/entry/entry_64.S:1007) [ 27.611227][ C1] [ 27.611227][ C1] [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? __sanitizer_cov_trace_pc (kernel/kcov.c:213) [ 27.611227][ C1] ? is_kmmio_active (include/linux/mmiotrace.h:41) [ 27.611227][ C1] ? exc_page_fault (arch/x86/mm/fault.c:51 arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1539) [ 27.611227][ C1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240903/202409031007.2c7c62aa-oliver.sang@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki