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Message-ID: <20201012020742.GD393@shao2-debian>
Date: Mon, 12 Oct 2020 10:07:42 +0800
From: kernel test robot <lkp@...el.com>
To: Arpitha Raghunandan <98.arpi@...il.com>
Cc: brendanhiggins@...gle.com, skhan@...uxfoundation.org,
yzaikin@...gle.com, elver@...gle.com, tytso@....edu,
adilger.kernel@...ger.ca, Arpitha Raghunandan <98.arpi@...il.com>,
linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com,
linux-kernel-mentees@...ts.linuxfoundation.org,
linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
0day robot <lkp@...el.com>, lkp@...ts.01.org
Subject: [kunit] c89d849f69: UBSAN:invalid-load_in_lib/kunit/test.c
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: c89d849f6934c3f3e65a77dfa9734164218a166e ("[PATCH 1/2] kunit: Support for Parameterized Testing")
url: https://github.com/0day-ci/linux/commits/Arpitha-Raghunandan/kunit-Support-for-Parameterized-Testing/20201011-051918
base: https://git.kernel.org/cgit/linux/kernel/git/tytso/ext4.git dev
in testcase: trinity
version: trinity-i386-4d2343bd-1_20200320
with following parameters:
runtime: 300s
test-description: Trinity is a linux system call fuzz tester.
test-url: http://codemonkey.org.uk/projects/trinity/
on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+----------------------------------------+------------+------------+
| | 9cb3701fb5 | c89d849f69 |
+----------------------------------------+------------+------------+
| boot_successes | 8 | 0 |
| boot_failures | 0 | 6 |
| UBSAN:invalid-load_in_lib/kunit/test.c | 0 | 6 |
+----------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <lkp@...el.com>
[ 86.984701] UBSAN: invalid-load in lib/kunit/test.c:277:11
[ 86.986363] load of value 41 is not a valid value for type '_Bool'
[ 86.987708] CPU: 0 PID: 289 Comm: kunit_try_catch Not tainted 5.9.0-rc7-00035-gc89d849f6934c #1
[ 86.989652] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 86.991492] Call Trace:
[ 86.992176] dump_stack+0x6d/0x99
[ 86.992984] ubsan_epilogue+0x8/0x3e
[ 86.993880] __ubsan_handle_load_invalid_value.cold+0x42/0x47
[ 86.995137] ? _raw_spin_unlock_irqrestore+0x3d/0x40
[ 86.996245] ? lockdep_hardirqs_on_prepare+0xfc/0x1b0
[ 86.997386] kunit_try_run_case.cold+0x10/0x25
[ 86.998432] kunit_generic_run_threadfn_adapter+0xc/0x20
[ 86.999629] kthread+0x107/0x120
[ 87.000457] ? kunit_try_catch_throw+0x20/0x20
[ 87.002254] ? kthread_stop+0x290/0x290
[ 87.003108] ret_from_fork+0x19/0x24
[ 87.003952] ================================================================================
[ 103.329893] ok 1 - inode_test_xtimestamp_decoding
[ 103.329897] ok 1 - ext4_inode_test
[ 103.339337] Btrfs loaded, crc32c=crc32c-intel, integrity-checker=on, ref-verify=on
[ 103.341469] # Subtest: apparmor_policy_unpack
[ 103.341471] 1..30
[ 103.343065] ok 1 - policy_unpack_test_inbounds_when_inbounds
[ 103.343855] ok 2 - policy_unpack_test_inbounds_when_out_of_bounds
[ 103.345393] ok 3 - policy_unpack_test_unpack_array_with_null_name
[ 103.347053] ok 4 - policy_unpack_test_unpack_array_with_name
[ 103.348677] ok 5 - policy_unpack_test_unpack_array_out_of_bounds
[ 103.350201] ok 6 - policy_unpack_test_unpack_blob_with_null_name
[ 103.351867] ok 7 - policy_unpack_test_unpack_blob_with_name
[ 103.353558] ok 8 - policy_unpack_test_unpack_blob_out_of_bounds
[ 103.355165] ok 9 - policy_unpack_test_unpack_nameX_with_null_name
[ 103.356794] ok 10 - policy_unpack_test_unpack_nameX_with_wrong_code
[ 103.358646] ok 11 - policy_unpack_test_unpack_nameX_with_name
[ 103.360375] ok 12 - policy_unpack_test_unpack_nameX_with_wrong_name
[ 103.361921] ok 13 - policy_unpack_test_unpack_str_with_null_name
[ 103.365212] ok 14 - policy_unpack_test_unpack_str_with_name
[ 103.370046] ok 15 - policy_unpack_test_unpack_str_out_of_bounds
[ 103.371617] ok 16 - policy_unpack_test_unpack_strdup_with_null_name
[ 103.373347] ok 17 - policy_unpack_test_unpack_strdup_with_name
[ 103.375023] ok 18 - policy_unpack_test_unpack_strdup_out_of_bounds
[ 103.376544] ok 19 - policy_unpack_test_unpack_u16_chunk_basic
[ 103.378152] ok 20 - policy_unpack_test_unpack_u16_chunk_out_of_bounds_1
[ 103.379736] ok 21 - policy_unpack_test_unpack_u16_chunk_out_of_bounds_2
[ 103.381438] ok 22 - policy_unpack_test_unpack_u32_with_null_name
[ 103.388133] ok 23 - policy_unpack_test_unpack_u32_with_name
[ 103.389767] ok 24 - policy_unpack_test_unpack_u32_out_of_bounds
[ 103.391356] ok 25 - policy_unpack_test_unpack_u64_with_null_name
[ 103.393195] ok 26 - policy_unpack_test_unpack_u64_with_name
[ 103.394780] ok 27 - policy_unpack_test_unpack_u64_out_of_bounds
[ 103.396308] ok 28 - policy_unpack_test_unpack_X_code_match
[ 103.397961] ok 29 - policy_unpack_test_unpack_X_code_mismatch
[ 103.399374] ok 30 - policy_unpack_test_unpack_X_out_of_bounds
[ 103.400753] ok 2 - apparmor_policy_unpack
[ 103.403320] AppArmor: AppArmor sha1 policy hashing enabled
[ 103.410418] ima: No TPM chip found, activating TPM-bypass!
[ 103.411805] ima: Allocated hash algorithm: sha256
[ 103.413187] ima: No architecture policies found
[ 103.416171] # Subtest: kunit-try-catch-test
[ 103.416175] 1..2
[ 105.412314] rcu-torture: rcu_torture_read_exit: Start of episode
[ 105.458748] rcu-torture: rcu_torture_read_exit: End of episode
[ 106.171539] kunit_try_catch (9479) used greatest stack depth: 6392 bytes left
[ 112.831599] kunit_try_catch (26158) used greatest stack depth: 6368 bytes left
[ 119.013165] rcu-torture: rcu_torture_read_exit: Start of episode
[ 119.244274] rcu-torture: rcu_torture_read_exit: End of episode
[ 132.852213] rcu-torture: rcu_torture_read_exit: Start of episode
[ 135.816147] rcu-torture: rcu_torture_read_exit: End of episode
[ 140.942223] rcu-torture: rtc: (ptrval) ver: 1070 tfle: 0 rta: 1071 rtaf: 0 rtf: 1061 rtmbe: 0 rtbe: 0 rtbke: 0 rtbre: 0 rtbf: 0 rtb: 0 nt: 4157 onoff: 0/0:0/0 -1,0:-1,0 0:0 (HZ=100) barrier: 0/0:0 read-exits: 135
[ 140.946168] rcu-torture: Reader Pipe: 9171121 50 0 0 0 0 0 0 0 0 0
[ 140.947629] rcu-torture: Reader Batch: 9170828 343 0 0 0 0 0 0 0 0 0
[ 140.949106] rcu-torture: Free-Block Circulation: 1070 1069 1068 1067 1066 1065 1064 1063 1062 1061 0
[ 149.412890] rcu-torture: rcu_torture_read_exit: Start of episode
[ 149.579098] rcu-torture: rcu_torture_read_exit: End of episode
[ 163.172214] rcu-torture: rcu_torture_read_exit: Start of episode
[ 163.194427] rcu-torture: rcu_torture_read_exit: End of episode
[ 176.782188] rcu-torture: rcu_torture_read_exit: Start of episode
[ 176.818242] rcu-torture: rcu_torture_read_exit: End of episode
[ 180.452640] rcu_torture_fwd_prog_nr: Duration 10026 cver 1689 gps 4385
[ 190.532908] rcu-torture: rcu_torture_read_exit: Start of episode
[ 190.544968] rcu-torture: rcu_torture_read_exit: End of episode
[ 202.383687] rcu-torture: rtc: (ptrval) ver: 2405 tfle: 0 rta: 2405 rtaf: 0 rtf: 2393 rtmbe: 0 rtbe: 0 rtbke: 0 rtbre: 0 rtbf: 0 rtb: 0 nt: 6439 onoff: 0/0:0/0 -1,0:-1,0 0:0 (HZ=100) barrier: 0/0:0 read-exits: 203
[ 202.387918] rcu-torture: Reader Pipe: 14079393 218 0 0 0 0 0 0 0 0 0
[ 202.389371] rcu-torture: Reader Batch: 14078475 1136 0 0 0 0 0 0 0 0 0
[ 202.390876] rcu-torture: Free-Block Circulation: 2404 2404 2403 2402 2401 2399 2398 2397 2394 2393 0
[ 204.212351] rcu-torture: rcu_torture_read_exit: Start of episode
[ 204.231090] rcu-torture: rcu_torture_read_exit: End of episode
[ 219.206128] rcu-torture: rcu_torture_read_exit: Start of episode
[ 219.357586] rcu-torture: rcu_torture_read_exit: End of episode
[ 233.254429] rcu-torture: rcu_torture_read_exit: Start of episode
[ 233.446637] rcu-torture: rcu_torture_read_exit: End of episode
[ 247.252348] rcu-torture: rcu_torture_read_exit: Start of episode
[ 248.612429] rcu-torture: rcu_torture_read_exit: End of episode
[ 262.212257] rcu-torture: rcu_torture_read_exit: Start of episode
[ 262.238186] rcu-torture: rcu_torture_read_exit: End of episode
[ 263.820785] rcu-torture: rtc: (ptrval) ver: 3552 tfle: 0 rta: 3553 rtaf: 0 rtf: 3539 rtmbe: 0 rtbe: 0 rtbke: 0 rtbre: 0 rtbf: 0 rtb: 0 nt: 8461 onoff: 0/0:0/0 -1,0:-1,0 0:0 (HZ=100) barrier: 0/0:0 read-exits: 288
[ 263.841057] rcu-torture: Reader Pipe: 18852184 371 0 0 0 0 0 0 0 0 0
[ 263.842544] rcu-torture: Reader Batch: 18850453 2102 0 0 0 0 0 0 0 0 0
[ 263.844013] rcu-torture: Free-Block Circulation: 3552 3552 3551 3549 3547 3546 3545 3543 3541 3540 0
[ 275.820884] rcu-torture: rcu_torture_read_exit: Start of episode
[ 276.012299] rcu-torture: rcu_torture_read_exit: End of episode
[ 289.572388] rcu-torture: rcu_torture_read_exit: Start of episode
To reproduce:
# build kernel
cd linux
cp config-5.9.0-rc7-00035-gc89d849f6934c .config
make HOSTCC=gcc-9 CC=gcc-9 ARCH=i386 olddefconfig prepare modules_prepare bzImage
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
Thanks,
lkp
View attachment "config-5.9.0-rc7-00035-gc89d849f6934c" of type "text/plain" (153131 bytes)
View attachment "job-script" of type "text/plain" (4361 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (19800 bytes)
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