All, I am seeing the following crash on Linux 7.0-rc1 kunit x86_64 run. Is this a known problem?
thanks, -- Shuah --------------------------------------------------------------------------- Command '['qemu-system-x86_64', '-nodefaults', '-m', '1024', '-kernel', '.kunit/arch/x86/boot/bzImage', '-append', 'kunit.enable=1 console=ttyS0 kunit_shutdown=reboot', '-no-reboot', '-nographic', '-accel', 'kvm', '-accel', 'hvf', '-accel', 'tcg', '-serial', 'stdio', '-bios', 'qboot.rom']' timed out after 300 seconds [10:52:02] [ERROR] Test: string-stream-test: missing expected subtest! [10:52:02] # string_stream_performance_test: Time elapsed: 1900 us [10:52:02] # string_stream_performance_test: Total string length: 573890 [10:52:02] # string_stream_performance_test: Bytes requested: 823930 [10:52:02] # string_stream_performance_test: Actual bytes allocated: 1048312 [10:52:02] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [10:52:02] BUG: unable to handle page fault for address: ffff9174c12172b8 [10:52:02] #PF: supervisor instruction fetch in kernel mode [10:52:02] #PF: error_code(0x0011) - permissions violation [10:52:02] PGD 563f067 P4D 563f067 PUD 5640067 PMD 80000000012001e3 [10:52:02] Oops: Oops: 0011 [#2] SMP NOPTI [10:52:02] CPU: 0 UID: 0 PID: 214 Comm: kunit_try_catch Tainted: G D N 7.0.0-rc1 #1 PREEMPT(lazy) [10:52:02] Tainted: [D]=DIE, [N]=TEST [10:52:02] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.1 11/11/2019 [10:52:02] RIP: 0010:0xffff9174c12172b8 [10:52:02] Code: 00 00 00 00 00 00 00 00 00 00 30 39 01 80 54 99 ff ff 30 39 01 80 54 99 ff ff e0 a9 9a c1 74 91 ff ff 40 ee 86 c1 74 91 ff ff <40> 6d 82 88 ff ff ff ff f8 c1 80 c1 74 91 ff ff 00 00 00 00 00 00 [10:52:02] RSP: 0018:ffff995480003f08 EFLAGS: 00010286 [10:52:02] RAX: ffff9174c180c1f0 RBX: 0000000000000003 RCX: ffff9174c1397000 [10:52:02] RDX: ffff9174c12172b8 RSI: 0000000000000001 RDI: ffff9174c180c1f0 [10:52:02] RBP: ffff9174fec1e100 R08: ffff9174c145c6d8 R09: ffffffff880fe68b [10:52:02] R10: ffffffff888080c0 R11: 00000000000000a1 R12: ffff995480003f40 [10:52:02] R13: ffff9174c186ee40 R14: 0000000000000002 R15: 0000000000000000 [10:52:02] FS: 0000000000000000(0000) GS:ffff91757602e000(0000) knlGS:0000000000000000 [10:52:02] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10:52:02] CR2: ffff9174c12172b8 CR3: 0000000005218000 CR4: 00000000000006f0 [10:52:02] Call Trace: [10:52:02] <IRQ> [10:52:02] ? rcu_core+0x24b/0x5a0 [10:52:02] ? rcu_core+0x1e9/0x5a0 [10:52:02] ? handle_softirqs+0xc7/0x1d0 [10:52:02] ? irq_exit_rcu+0x47/0x90 [10:52:02] ? sysvec_apic_timer_interrupt+0x69/0x80 [10:52:02] </IRQ> [10:52:02] <TASK> [10:52:02] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [10:52:02] ? __kmem_cache_free_bulk.part.0+0x105/0x240 [10:52:02] ? __pcs_replace_full_main+0x1ab/0x2f0 [10:52:02] ? kfree+0x158/0x290 [10:52:02] ? string_stream_clear+0x64/0xa0 [10:52:02] ? string_stream_clear+0x64/0xa0 [10:52:02] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [10:52:02] ? resource_free_string_stream+0x28/0x70 [10:52:02] ? kunit_remove_resource+0x7b/0xa0 [10:52:02] ? kunit_cleanup+0x38/0x80 [10:52:02] ? kunit_generic_run_threadfn_adapter+0x1c/0x40 [10:52:02] ? kthread+0xc9/0x100 [10:52:02] ? __pfx_kthread+0x10/0x10 [10:52:02] ? ret_from_fork+0x124/0x240 [10:52:02] ? __pfx_kthread+0x10/0x10 [10:52:02] ? ret_from_fork_asm+0x1a/0x30 [10:52:02] </TASK> [10:52:02] CR2: ffff9174c12172b8 [10:52:02] ---[ end trace 0000000000000000 ]--- [10:52:02] RIP: 0010:kunit_test_null_dereference+0x2f/0x80 [10:52:02] Code: 83 ec 10 49 c7 c1 10 af 75 88 49 c7 c0 20 b1 2a 88 ba 01 00 00 00 65 48 8b 05 85 66 93 00 48 89 44 24 08 31 c0 48 8d 4c 24 07 <c7> 04 25 00 00 00 00 00 00 00 00 48 c7 c6 20 30 62 88 48 c7 87 a0 [10:52:02] RSP: 0018:ffff9954800e3ed0 EFLAGS: 00010246 [10:52:02] RAX: 0000000000000000 RBX: ffff9174c19ab580 RCX: ffff9954800e3ed7 [10:52:02] RDX: 0000000000000001 RSI: 0000000000000246 RDI: ffff995480013a78 [10:52:02] RBP: ffff9174c186e200 R08: ffffffff882ab120 R09: ffffffff8875af10 [10:52:02] R10: 0000000000000001 R11: 00000000000aae60 R12: ffff9954800ebd50 [10:52:02] R13: ffff9174c180c180 R14: ffffffff882ab7b0 R15: ffff9174c19ab580 [10:52:02] FS: 0000000000000000(0000) GS:ffff91757602e000(0000) knlGS:0000000000000000 [10:52:02] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10:52:02] CR2: ffff9174c12172b8 CR3: 0000000005218000 CR4: 00000000000006f0 [10:52:02] Kernel panic - not syncing: Fatal exception in interrupt [10:52:02] Kernel Offset: 0x6e00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [10:52:02] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- [10:52:02] qemu-system-x86_64: terminating on signal 15 from pid 64729 (python3) [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: string-stream-test: missing subtest result line! [10:52:02] # module: string_stream_test [10:52:02] =============== [CRASHED] string-stream-test =============== [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] [ERROR] Test: main: missing expected subtest! [10:52:02] [CRASHED] [10:52:02] ============================================================ [10:52:02] Testing complete. Ran 159 tests: passed: 81, crashed: 68, skipped: 10, errors: 69 The kernel seems to have crashed; you can decode the stack traces with: $ scripts/decode_stacktrace.sh .kunit/vmlinux .kunit < .kunit/test.log | tee .kunit/decoded.log | ./tools/testing/kunit/kunit.py parse [10:52:02] Elapsed time: 350.724s total, 4.449s configuring, 46.217s building, 300.058s running
