| import bz2 |
| import shutil |
| import struct |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| @skipIfFBSDVMCoreSupportMissing |
| class FreeBSDKernelVMCoreTestCase(TestBase): |
| NO_DEBUG_INFO_TESTCASE = True |
| maxDiff = None |
| |
| def make_target(self, src_filename): |
| src = self.getSourcePath(src_filename) |
| dest = self.getBuildArtifact("kernel") |
| self.yaml2obj(src, dest, max_size=30 * 1024 * 1024) |
| return self.dbg.CreateTarget(dest) |
| |
| def make_vmcore(self, src_filename): |
| src = self.getSourcePath(src_filename) |
| dest = self.getBuildArtifact("vmcore") |
| with bz2.open(src, "rb") as inf: |
| with open(dest, "wb") as outf: |
| shutil.copyfileobj(inf, outf) |
| return dest |
| |
| def do_test(self, kernel_yaml, vmcore_bz2, numthread, threads={}, hz=100): |
| target = self.make_target(kernel_yaml) |
| vmcore_file = self.make_vmcore(vmcore_bz2) |
| process = target.LoadCore(vmcore_file) |
| |
| self.assertTrue(process, PROCESS_IS_VALID) |
| self.assertEqual(process.GetNumThreads(), numthread) |
| self.assertEqual(process.GetProcessID(), 0) |
| |
| # test memory reading |
| self.expect("expr -- *(int *) &hz", substrs=["(int) $0 = %d" % hz]) |
| |
| main_mod = target.GetModuleAtIndex(0) |
| hz_addr = main_mod.FindSymbols("hz")[0].symbol.addr.GetLoadAddress(target) |
| error = lldb.SBError() |
| self.assertEqual(process.ReadMemory(hz_addr, 4, error), struct.pack("<I", hz)) |
| |
| for thread_index, thread_data in threads.items(): |
| bt_expected = thread_data["bt"] |
| regs_expected = thread_data["regs"] |
| thread = process.GetThreadAtIndex(thread_index) |
| self.assertEqual(thread.GetName(), thread_data["name"]) |
| |
| # test backtrace |
| self.assertEqual( |
| [frame.addr.GetLoadAddress(target) for frame in thread], bt_expected |
| ) |
| |
| # test registers |
| regs = thread.GetFrameAtIndex(0).GetRegisters() |
| reg_values = {} |
| for regset in regs: |
| for reg in regset: |
| if reg.value is None: |
| continue |
| reg_values[reg.name] = reg.value |
| self.assertEqual(reg_values, regs_expected) |
| |
| self.dbg.DeleteTarget(target) |
| |
| def test_amd64_full_vmcore(self): |
| self.do_test( |
| "kernel-amd64.yaml", |
| "vmcore-amd64-full.bz2", |
| numthread=13, |
| threads={ |
| 0: { |
| "name": "(pid 806) sysctl (crashed)", |
| "bt": [ |
| 0xFFFFFFFF80C09ADE, |
| 0xFFFFFFFF80C09916, |
| 0xFFFFFFFF80C09D90, |
| 0xFFFFFFFF80C09B93, |
| 0xFFFFFFFF80C57D91, |
| 0xFFFFFFFF80C19E71, |
| 0xFFFFFFFF80C192BC, |
| 0xFFFFFFFF80C19933, |
| 0xFFFFFFFF80C1977F, |
| 0xFFFFFFFF8108BA8C, |
| 0xFFFFFFFF810620CE, |
| ], |
| "regs": { |
| "rbx": "0x0000000000000000", |
| "rbp": "0xfffffe0085cb2760", |
| "rsp": "0xfffffe0085cb2748", |
| "r12": "0xfffffe0045a6c300", |
| "r13": "0xfffff800033693a8", |
| "r14": "0x0000000000000000", |
| "r15": "0xfffff80003369380", |
| "rip": "0xffffffff80c09ade", |
| }, |
| }, |
| 1: { |
| "name": "(pid 11) idle/idle: cpu0 (on CPU 0)", |
| "bt": [ |
| 0xFFFFFFFF81057988, |
| 0xFFFFFFFF81057949, |
| 0xFFFFFFFF8108A5FF, |
| 0xFFFFFFFF81062537, |
| 0xFFFFFFFF80C1AA38, |
| 0xFFFFFFFF80B9D587, |
| 0xFFFFFFFF810575B1, |
| 0xFFFFFFFF81063B33, |
| 0xFFFFFFFF804E3EDB, |
| 0xFFFFFFFF8104DC6E, |
| 0xFFFFFFFF8104DD1F, |
| 0xFFFFFFFF80C3F0B4, |
| 0xFFFFFFFF80BC7C5E, |
| ], |
| "regs": { |
| "rbx": "0xffffffff81d43950", |
| "rbp": "0xffffffff81d43820", |
| "rsp": "0xffffffff81d43808", |
| "r12": "0xfffff80003374000", |
| "r13": "0x00000000027be000", |
| "r14": "0x0000000000000000", |
| "r15": "0xfffffe00009f7300", |
| "rip": "0xffffffff81057988", |
| }, |
| }, |
| 10: { |
| "name": "(pid 11) idle/idle: cpu9", |
| "bt": [ |
| 0xFFFFFFFF80C3C8C8, |
| 0xFFFFFFFF80C16521, |
| 0xFFFFFFFF80C3F0B4, |
| 0xFFFFFFFF80BC7C5E, |
| ], |
| "regs": { |
| "rbx": "0x000000007fff29f4", |
| "rbp": "0xfffffe00007a4ad0", |
| "rsp": "0xfffffe00007a4a08", |
| "r12": "0xfffffe00009fd300", |
| "r13": "0x0000000000000608", |
| "r14": "0xfffffe00009250c0", |
| "r15": "0xfffffe0045a6c300", |
| "rip": "0xffffffff80c3c8c8", |
| }, |
| }, |
| }, |
| ) |
| |
| def test_amd64_minidump(self): |
| self.do_test( |
| "kernel-amd64.yaml", |
| "vmcore-amd64-minidump.bz2", |
| numthread=16, |
| threads={ |
| 0: { |
| "name": "(pid 800) sysctl (crashed)", |
| "bt": [ |
| 0xFFFFFFFF80C09ADE, |
| 0xFFFFFFFF80C09916, |
| 0xFFFFFFFF80C09D90, |
| 0xFFFFFFFF80C09B93, |
| 0xFFFFFFFF80C57D91, |
| 0xFFFFFFFF80C19E71, |
| 0xFFFFFFFF80C192BC, |
| 0xFFFFFFFF80C19933, |
| 0xFFFFFFFF80C1977F, |
| 0xFFFFFFFF8108BA8C, |
| 0xFFFFFFFF810620CE, |
| ], |
| "regs": { |
| "rbx": "0x0000000000000000", |
| "rbp": "0xfffffe00798c4760", |
| "rsp": "0xfffffe00798c4748", |
| "r12": "0xfffffe0045b11c00", |
| "r13": "0xfffff800033693a8", |
| "r14": "0x0000000000000000", |
| "r15": "0xfffff80003369380", |
| "rip": "0xffffffff80c09ade", |
| }, |
| }, |
| 1: { |
| "name": "(pid 28) pagedaemon/dom0 (on CPU 4)", |
| "bt": [ |
| 0xFFFFFFFF81057988, |
| 0xFFFFFFFF81057949, |
| 0xFFFFFFFF8108A5FF, |
| 0xFFFFFFFF81062537, |
| 0xFFFFFFFF8107171E, |
| 0xFFFFFFFF81075F9C, |
| 0xFFFFFFFF80F4359E, |
| 0xFFFFFFFF80F494B4, |
| 0xFFFFFFFF80F47430, |
| 0xFFFFFFFF80F46EEE, |
| 0xFFFFFFFF80BC7C5E, |
| ], |
| "regs": { |
| "rbx": "0xfffffe00008e2f30", |
| "rbp": "0xfffffe00008e2e00", |
| "rsp": "0xfffffe00008e2de8", |
| "r12": "0xfffff80003845000", |
| "r13": "0x00000000027be000", |
| "r14": "0x0000000000000004", |
| "r15": "0xfffffe00458c2700", |
| "rip": "0xffffffff81057988", |
| }, |
| }, |
| 2: { |
| "name": "(pid 28) pagedaemon/laundry: dom0", |
| "bt": [ |
| 0xFFFFFFFF80C3C8C8, |
| 0xFFFFFFFF80C16521, |
| 0xFFFFFFFF80C15C3B, |
| 0xFFFFFFFF80F48DFC, |
| 0xFFFFFFFF80BC7C5E, |
| ], |
| "regs": { |
| "rbx": "0x000000007fff25f1", |
| "rbp": "0xfffffe00527dd890", |
| "rsp": "0xfffffe00527dd7c8", |
| "r12": "0xfffffe0045b13100", |
| "r13": "0x0000000000000104", |
| "r14": "0xfffffe00008d70c0", |
| "r15": "0xfffffe00009f5e00", |
| "rip": "0xffffffff80c3c8c8", |
| }, |
| }, |
| }, |
| ) |
| |
| def test_arm64_minidump(self): |
| self.do_test( |
| "kernel-arm64.yaml", |
| "vmcore-arm64-minidump.bz2", |
| hz=1000, |
| numthread=10, |
| threads={ |
| 0: { |
| "name": "(pid 939) sysctl (crashed)", |
| # TODO: fix unwinding |
| "bt": [ |
| 0xFFFF0000004B6E78, |
| ], |
| "regs": { |
| "x0": "0x0000000000000000", |
| "x1": "0x0000000000000000", |
| "x2": "0x0000000000000000", |
| "x3": "0x0000000000000000", |
| "x4": "0x0000000000000000", |
| "x5": "0x0000000000000000", |
| "x6": "0x0000000000000000", |
| "x7": "0x0000000000000000", |
| "x8": "0xffffa00001548700", |
| "x9": "0x0000000000000000", |
| "x10": "0xffffa00000e04580", |
| "x11": "0x0000000000000000", |
| "x12": "0x000000000008950a", |
| "x13": "0x0000000000089500", |
| "x14": "0x0000000000000039", |
| "x15": "0x0000000000000000", |
| "x16": "0x00000000ffffffd8", |
| "x17": "0x0000000000000000", |
| "x18": "0xffff000000e6d380", |
| "x19": "0xffff000000af9000", |
| "x20": "0xffff000000b82000", |
| "x21": "0xffffa00000319da8", |
| "x22": "0xffff000000b84000", |
| "x23": "0xffff000000b84000", |
| "x24": "0xffff000000b55000", |
| "x25": "0x0000000000000000", |
| "x26": "0x0000000000040800", |
| "x27": "0x0000000000000000", |
| "x28": "0x00000000002019ca", |
| "fp": "0xffff0000d58f23b0", |
| "sp": "0xffff0000d58f23b0", |
| "pc": "0xffff0000004b6e78", |
| }, |
| }, |
| 1: { |
| "name": "(pid 21) syncer (on CPU 6)", |
| # TODO: fix unwinding |
| "bt": [ |
| 0xFFFF000000811370, |
| ], |
| "regs": { |
| "x0": "0x0000000000000000", |
| "x1": "0x0000000000000000", |
| "x2": "0x0000000000000000", |
| "x3": "0x0000000000000000", |
| "x4": "0x0000000000000000", |
| "x5": "0x0000000000000000", |
| "x6": "0x0000000000000000", |
| "x7": "0x0000000000000000", |
| "x8": "0x0000000000000006", |
| "x9": "0x0000000000000560", |
| "x10": "0xffff000000e8f640", |
| "x11": "0x0000000000000001", |
| "x12": "0x0000000056000000", |
| "x13": "0x0000000000002af8", |
| "x14": "0x0000000000002710", |
| "x15": "0x0000000000000002", |
| "x16": "0x00000000ffffffff", |
| "x17": "0x0000000000000002", |
| "x18": "0xffff000000e6db80", |
| "x19": "0x0000000000000006", |
| "x20": "0xffff0000853a3670", |
| "x21": "0xffff0000009279c1", |
| "x22": "0x0000000000000804", |
| "x23": "0x0000000000000004", |
| "x24": "0xffff000082a93000", |
| "x25": "0xffffa0000053f080", |
| "x26": "0xffff000000e6391c", |
| "x27": "0xffff000000e63000", |
| "x28": "0x0000000000000004", |
| "fp": "0xffff0000853a35c0", |
| "sp": "0xffff0000853a35c0", |
| "pc": "0xffff000000811370", |
| }, |
| }, |
| 4: { |
| "name": "(pid 11) idle/idle: cpu2", |
| # TODO: fix unwinding |
| "bt": [ |
| 0xFFFF0000004EE99C, |
| ], |
| "regs": { |
| "x0": "0x0000000000000000", |
| "x1": "0x0000000000000000", |
| "x2": "0x0000000000000000", |
| "x3": "0x0000000000000000", |
| "x4": "0x0000000000000000", |
| "x5": "0x0000000000000000", |
| "x6": "0x0000000000000000", |
| "x7": "0x0000000000000000", |
| "x8": "0x00000000ffffffff", |
| "x9": "0x0000000000000001", |
| "x10": "0x0000000000002710", |
| "x11": "0x000000007ff7e333", |
| "x12": "0x000000007ff7ba9c", |
| "x13": "0x0000000000002af8", |
| "x14": "0x0000000000002897", |
| "x15": "0x0000000000002af8", |
| "x16": "0x00000000000028e1", |
| "x17": "0x00000000ffffffff", |
| "x18": "0xffff000000e6d380", |
| "x19": "0xffffa0000032e580", |
| "x20": "0xffff000000b82000", |
| "x21": "0xffff000040517100", |
| "x22": "0xffffa00000e04580", |
| "x23": "0xffff000000b84000", |
| "x24": "0x0000000000000001", |
| "x25": "0xffff000000dd1000", |
| "x26": "0xffff000082783898", |
| "x27": "0xffff000000e26000", |
| "x28": "0xffff000000b82000", |
| "fp": "0xffff0000827835f0", |
| "sp": "0xffff000082783570", |
| "pc": "0xffff0000004ee99c", |
| }, |
| }, |
| }, |
| ) |
| |
| def test_i386_minidump(self): |
| self.do_test( |
| "kernel-i386.yaml", |
| "vmcore-i386-minidump.bz2", |
| numthread=13, |
| threads={ |
| 0: { |
| "name": "(pid 806) sysctl (crashed)", |
| "bt": [ |
| 0x010025C5, |
| 0x01002410, |
| 0x010027D5, |
| 0x01002644, |
| 0x01049A2F, |
| 0x01011077, |
| 0x01010780, |
| 0x01010C7A, |
| 0x01010AB2, |
| 0x013E9E2D, |
| 0xFFC033F9, |
| ], |
| "regs": { |
| "ebp": "0x151968e4", |
| "esp": "0x151968d8", |
| "esi": "0x0c77aa80", |
| "edi": "0x03f0dc80", |
| "eip": "0x010025c5", |
| }, |
| }, |
| 1: { |
| "name": "(pid 11) idle/idle: cpu0 (on CPU 0)", |
| "bt": [ |
| 0x013A91F6, |
| 0x013A91C0, |
| 0x013E8CE4, |
| 0xFFC0319F, |
| 0x00000028, |
| ], |
| "regs": { |
| "ebp": "0x03d979bc", |
| "esp": "0x03d979a0", |
| "esi": "0x000007f7", |
| "edi": "0x00000000", |
| "eip": "0x013a91f6", |
| }, |
| }, |
| 12: { |
| "name": "(pid 11) idle/idle: cpu11", |
| "bt": [ |
| 0x0103012C, |
| 0x0100DE0E, |
| 0x0100B770, |
| 0x010323BE, |
| 0x00FC50B6, |
| ], |
| "regs": { |
| "ebp": "0x03dc4af0", |
| "esp": "0x03dc4aa4", |
| "esi": "0x03f97e00", |
| "edi": "0x000003e8", |
| "eip": "0x0103012c", |
| }, |
| }, |
| }, |
| ) |
