您好 openEuler 内核sig团队：

      我司一台服务器（openEuler 22.03 LTS，内核 5.10.0-60.18.0.50.oe2203.x86_64，运行 342 天）发生内核崩溃，已收集到 vmcore。

当前状况

我们已在 openEuler 社区提交 Issue（链接：https://gitcode.com/openeuler/kernel/issues/9047），待明确根因和解决方案。

谢谢！

[29613041.914241] ------------[ cut here ]------------

PID: 1249797  TASK: ffff9c26fc228000  CPU: 8   COMMAND: "lurker"
 #0 [fffffe00001e2ee8] die at ffffffffa5e25b4a
 #1 [fffffe00001e2f10] handle_stack_overflow at ffffffffa67dca7b
 #2 [fffffe00001e2f28] exc_double_fault at ffffffffa6827a08
 #3 [fffffe00001e2f50] asm_exc_double_fault at ffffffffa6a00b7e
    [exception RIP: bsearch+2]
...
 #160 [ffffa93bcf3b7958] no_context at ffffffffa5e71c37
 #161 [ffffa93bcf3b7990] __bad_area_nosemaphore at ffffffffa5e71e62
 #162 [ffffa93bcf3b79d8] exc_page_fault at ffffffffa682a565
 #163 [ffffa93bcf3b7a30] asm_exc_page_fault at ffffffffa6a00ace
    [exception RIP: vma_dump_size+39]
    RIP: ffffffffa61d4fa7  RSP: ffffa93bcf3b7ae8  RFLAGS: 00010286
    RAX: ffffffffb750aba0  RBX: ffff9c264e92f5c0
...
 #164 [ffffa93bcf3b7af8] dump_vma_snapshot at ffffffffa61d6461
 #165 [ffffa93bcf3b7b60] elf_core_dump at ffffffffa61cefc9
 #166 [ffffa93bcf3b7d40] do_coredump at ffffffffa61d5e81
 #167 [ffffa93bcf3b7e38] get_signal at ffffffffa5eefd6f
 #168 [ffffa93bcf3b7e88] arch_do_signal at ffffffffa5e21cda
 #169 [ffffa93bcf3b7f10] exit_to_user_mode_loop at ffffffffa5f6f309
 #170 [ffffa93bcf3b7f30] exit_to_user_mode_prepare at ffffffffa5f6f3a2
 #171 [ffffa93bcf3b7f48] irqentry_exit_to_user_mode at ffffffffa682ac65
 #172 [ffffa93bcf3b7f50] asm_exc_page_fault at ffffffffa6a00ace

CPU 1 (postgres):
 #3 [fffffe0000045f50] asm_exc_double_fault
    [exception RIP: do_error_trap+53]
...
 #8 [ffffa93bcd274170] do_error_trap
 #9 [ffffa93bcd2741b0] exc_invalid_op
 #10 [ffffa93bcd2741d0] asm_exc_invalid_op
    [exception RIP: fixup_exception+35]

CPU 2 (log_server):
 #3 [ffffa93bcef97ce0] native_queued_spin_lock_slowpath
...
 #9 [ffffa93bcef97dc0] asm_exc_general_protection
    [exception RIP: do_renameat2+50]
    RIP: ffffffffa615e252

CPU 10 (df):
 #2 [fffffe0000258f50] asm_exc_double_fault
    [exception RIP: mmap_base+155]
    RIP: ffffffffa5e732eb  RSP: 00000000029de8c0