* [linus:master] [tracing] a46023d561: EIP:do_user_addr_fault
@ 2026-02-16 2:09 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-02-16 2:09 UTC (permalink / raw)
To: Steven Rostedt
Cc: oe-lkp, lkp, linux-kernel, Masami Hiramatsu, Mark Rutland,
Mathieu Desnoyers, Andrew Morton, Sebastian Andrzej Siewior,
Alexei Starovoitov, Paul E. McKenney, linux-trace-kernel,
oliver.sang
Hello,
kernel test robot noticed "EIP:do_user_addr_fault" on:
commit: a46023d5616ed3ed781e56ca93400eb9490e3646 ("tracing: Guard __DECLARE_TRACE() use of __DO_TRACE_CALL() with SRCU-fast")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
[test failed on linus/master ca4ee40bf13dbd3a4be3b40a00c33a1153d487e5]
[test failed on linux-next/master 635c467cc14ebdffab3f77610217c1dacaf88e8c]
in testcase: boot
config: i386-randconfig-001-20260215
compiler: clang-20
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 32G
(please refer to attached dmesg/kmsg for entire log/backtrace)
+---------------------------------------------+------------+------------+
| | a77cb6a867 | a46023d561 |
+---------------------------------------------+------------+------------+
| EIP:do_user_addr_fault | 0 | 18 |
| EIP:do_int80_syscall_32 | 0 | 18 |
| BUG:kernel_NULL_pointer_dereference,address | 0 | 15 |
| Oops | 0 | 18 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 18 |
| BUG:unable_to_handle_page_fault_for_address | 0 | 3 |
+---------------------------------------------+------------+------------+
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 <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202602160941.c62658c7-lkp@intel.com
[ 3.833434][ T59] ------------[ cut here ]------------
[ 3.834088][ T59] WARNING: arch/x86/mm/fault.c:1274 at do_user_addr_fault+0x387/0x480, CPU#1: modprobe/59
[ 3.835108][ T59] Modules linked in:
[ 3.835140][ T59] CPU: 1 UID: 0 PID: 59 Comm: modprobe Tainted: G T 6.19.0-rc7-00020-ga46023d5616e #1 PREEMPT(lazy)
[ 3.835140][ T59] Tainted: [T]=RANDSTRUCT
[ 3.835140][ T59] EIP: do_user_addr_fault (ld-temp.o:?)
[ 3.835140][ T59] Code: ff ff 89 f9 89 da ff 75 f0 e8 15 01 00 00 83 c4 04 e9 03 fe ff ff 89 f9 89 da ff 75 f0 e8 01 49 f6 ff 83 c4 04 e9 f7 fc ff ff <0f> 0b 89 f9 89 da ff 75 f0 e8 eb 03 00 00 83 c4 04 e9 d9 fd ff ff
All code
========
0: ff (bad)
1: ff 89 f9 89 da ff decl -0x257607(%rcx)
7: 75 f0 jne 0xfffffffffffffff9
9: e8 15 01 00 00 call 0x123
e: 83 c4 04 add $0x4,%esp
11: e9 03 fe ff ff jmp 0xfffffffffffffe19
16: 89 f9 mov %edi,%ecx
18: 89 da mov %ebx,%edx
1a: ff 75 f0 push -0x10(%rbp)
1d: e8 01 49 f6 ff call 0xfffffffffff64923
22: 83 c4 04 add $0x4,%esp
25: e9 f7 fc ff ff jmp 0xfffffffffffffd21
2a:* 0f 0b ud2 <-- trapping instruction
2c: 89 f9 mov %edi,%ecx
2e: 89 da mov %ebx,%edx
30: ff 75 f0 push -0x10(%rbp)
33: e8 eb 03 00 00 call 0x423
38: 83 c4 04 add $0x4,%esp
3b: e9 d9 fd ff ff jmp 0xfffffffffffffe19
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: 89 f9 mov %edi,%ecx
4: 89 da mov %ebx,%edx
6: ff 75 f0 push -0x10(%rbp)
9: e8 eb 03 00 00 call 0x3f9
e: 83 c4 04 add $0x4,%esp
11: e9 d9 fd ff ff jmp 0xfffffffffffffdef
[ 3.835140][ T59] EAX: 80000000 EBX: 00000000 ECX: 4324aef7 EDX: 431f7ada
[ 3.835140][ T59] ESI: 52cb2000 EDI: 52cb5f34 EBP: 52cb5f14 ESP: 52cb5ef0
[ 3.835140][ T59] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 EFLAGS: 00210046
[ 3.835140][ T59] CR0: 80050033 CR2: 00000004 CR3: 1275e000 CR4: 000406b0
[ 3.835140][ T59] Call Trace:
[ 3.835140][ T59] ? debug_smp_processor_id (ld-temp.o:?)
[ 3.835140][ T59] ? trace_page_fault_kernel (ld-temp.o:?)
[ 3.835140][ T59] ? exc_page_fault (ld-temp.o:?)
[ 3.835140][ T59] ? pvclock_clocksource_read_nowd (ld-temp.o:?)
[ 3.835140][ T59] ? entry_INT80_32 (arch/x86/entry/entry_32.S:945)
[ 3.835140][ T59] ? handle_exception (arch/x86/entry/entry_32.S:1048)
[ 3.835140][ T59] ? entry_INT80_32 (arch/x86/entry/entry_32.S:945)
[ 3.835140][ T59] ? xas_find_conflict (ld-temp.o:?)
[ 3.835140][ T59] ? pvclock_clocksource_read_nowd (ld-temp.o:?)
[ 3.835140][ T59] ? do_int80_syscall_32 (ld-temp.o:?)
[ 3.835140][ T59] ? pvclock_clocksource_read_nowd (ld-temp.o:?)
[ 3.835140][ T59] ? do_int80_syscall_32 (ld-temp.o:?)
[ 3.835140][ T59] ? entry_INT80_32 (arch/x86/entry/entry_32.S:945)
[ 3.835140][ T59] irq event stamp: 5220
[ 3.835140][ T59] hardirqs last enabled at (5219): free_to_partial_list (ld-temp.o:?)
[ 3.835140][ T59] hardirqs last disabled at (5220): do_int80_syscall_32 (ld-temp.o:?)
[ 3.835140][ T59] softirqs last enabled at (2722): __do_softirq (ld-temp.o:?)
[ 3.835140][ T59] softirqs last disabled at (2713): __do_softirq (ld-temp.o:?)
[ 3.835140][ T59] ---[ end trace 0000000000000000 ]---
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260216/202602160941.c62658c7-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-02-16 2:09 [linus:master] [tracing] a46023d561: EIP:do_user_addr_fault kernel test robot
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