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From: kernel test robot <oliver.sang@intel.com>
To: Alice Ryhl <aliceryhl@google.com>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
	<linux-kernel@vger.kernel.org>, Miguel Ojeda <ojeda@kernel.org>,
	Sami Tolvanen <samitolvanen@google.com>, <oliver.sang@intel.com>
Subject: [linus:master] [cfi]  8b8ca9c25f: CFI_failure_at_do_basic_setup
Date: Mon, 28 Oct 2024 14:24:27 +0800	[thread overview]
Message-ID: <202410281414.c351044e-oliver.sang@intel.com> (raw)



Hello,


by this change, the config has below difference with parent after building.

--- /pkg/linux/x86_64-randconfig-003-20241025/clang-19/af0121c2d303111d363c62e40413ffb39d5dc0f1/.config 2024-10-26 03:31:02.494416152 +0800
+++ /pkg/linux/x86_64-randconfig-003-20241025/clang-19/8b8ca9c25fe69c2162e3235c7d6c341127abeed6/.config 2024-10-25 23:52:03.899366299 +0800
@@ -661,6 +661,8 @@ CONFIG_LTO_NONE=y
 CONFIG_ARCH_SUPPORTS_CFI_CLANG=y
 CONFIG_ARCH_USES_CFI_TRAPS=y
 CONFIG_CFI_CLANG=y
+CONFIG_CFI_ICALL_NORMALIZE_INTEGERS=y
+CONFIG_HAVE_CFI_ICALL_NORMALIZE_INTEGERS_CLANG=y
 # CONFIG_CFI_PERMISSIVE is not set
 CONFIG_HAVE_ARCH_WITHIN_STACK_FRAMES=y
 CONFIG_HAVE_CONTEXT_TRACKING_USER=y

then we noticed the boot jobs which can pass on parent, failed now.

=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/sleep:
  vm-snb/boot/yocto-x86_64-minimal-20190520.cgz/x86_64-randconfig-003-20241025/clang-19/1

af0121c2d303111d 8b8ca9c25fe69c2162e3235c7d6
---------------- ---------------------------
       fail:runs  %reproduction    fail:runs
           |             |             |
           :6          100%           6:6     dmesg.CFI_failure_at_do_basic_setup
           :6          100%           6:6     dmesg.Kernel_panic-not_syncing:Fatal_exception
           :6          100%           6:6     dmesg.Oops:invalid_opcode:#[##]PREEMPT_KASAN
           :6          100%           6:6     dmesg.RIP:do_basic_setup
           :6          100%           6:6     dmesg.boot_failures


below report just FYI what we observed in our tests. thanks


kernel test robot noticed "CFI_failure_at_do_basic_setup" on:

commit: 8b8ca9c25fe69c2162e3235c7d6c341127abeed6 ("cfi: fix conditions for HAVE_CFI_ICALL_NORMALIZE_INTEGERS")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

[test failed on linus/master      c71f8fb4dc911022748a378b16aad1cc9b43aad8]
[test failed on linux-next/master a39230ecf6b3057f5897bc4744a790070cfbe7a8]

in testcase: boot

config: x86_64-randconfig-003-20241025
compiler: clang-19
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G

(please refer to attached dmesg/kmsg for entire log/backtrace)



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/202410281414.c351044e-oliver.sang@intel.com



The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20241028/202410281414.c351044e-oliver.sang@intel.com



[    7.616732][    T1] CFI failure at do_basic_setup+0x5b/0x90 (target: asan.module_ctor+0x0/0x20; expected type: 0xe5c47d60)
[    7.617229][    T1] Oops: invalid opcode: 0000 [#1] PREEMPT KASAN
[    7.617952][    T1] CPU: 0 UID: 0 PID: 1 Comm: swapper Not tainted 6.12.0-rc2-00005-g8b8ca9c25fe6 #1 c804d49ce32901c4caca8ebfe1766898b63e48de
[    7.619334][    T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[    7.620488][    T1] RIP: 0010:do_basic_setup+0x5b/0x90
[    7.620842][    T1] Code: 00 fc ff df 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 6d 85 50 fb 4d 8b 5e f8 41 ba a0 82 3b 1a 45 03 53 fc 74 02 <0f> 0b 41 ff d3 49 81 fe 68 10 7e be 73 0f e8 8a eb 12 fb 48 83 c3
[    7.620842][    T1] RSP: 0000:ffffc9000001fed0 EFLAGS: 00010286
[    7.620842][    T1] RAX: 1ffffffff7cfb6de RBX: ffffffffbe7db6f0 RCX: 0000000000000000
[    7.620842][    T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[    7.620842][    T1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[    7.620842][    T1] R10: 00000000bf7be9ac R11: ffffffffbbdc9360 R12: ffffffffbd039fc0
[    7.620842][    T1] R13: 0000000000000000 R14: ffffffffbe7db6f8 R15: dffffc0000000000
[    7.620842][    T1] FS:  0000000000000000(0000) GS:ffffffffbd0dc000(0000) knlGS:0000000000000000
[    7.620842][    T1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.620842][    T1] CR2: ffff88843ffff000 CR3: 000000042529e000 CR4: 00000000000406f0
[    7.620842][    T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    7.620842][    T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    7.620842][    T1] Call Trace:
[    7.620842][    T1]  <TASK>
[    7.620842][    T1]  ? __die_body+0x16/0x68
[    7.620842][    T1]  ? die+0x34/0x58
[    7.620842][    T1]  ? do_trap+0x111/0x1e8
[    7.620842][    T1]  ? do_basic_setup+0x5b/0x90
[    7.620842][    T1]  ? do_error_trap+0x11a/0x190
[    7.620842][    T1]  ? do_basic_setup+0x5b/0x90
[    7.620842][    T1]  ? handle_invalid_op+0x34/0x50
[    7.620842][    T1]  ? do_basic_setup+0x5b/0x90
[    7.620842][    T1]  ? exc_invalid_op+0x32/0x48
[    7.620842][    T1]  ? asm_exc_invalid_op+0x16/0x20
[    7.620842][    T1]  ? __cfi_asan.module_ctor+0x10/0x10
[    7.620842][    T1]  ? do_basic_setup+0x5b/0x90
[    7.620842][    T1]  kernel_init_freeable+0xf0/0x190
[    7.620842][    T1]  ? __cfi_kernel_init+0x8/0x8
[    7.620842][    T1]  kernel_init+0x19/0x198
[    7.620842][    T1]  ? __cfi_kernel_init+0x8/0x8
[    7.620842][    T1]  ret_from_fork+0x5a/0x88
[    7.620842][    T1]  ? __cfi_kernel_init+0x8/0x8
[    7.620842][    T1]  ret_from_fork_asm+0x11/0x20
[    7.620842][    T1]  </TASK>
[    7.620842][    T1] Modules linked in:
[    7.620846][    T1] ---[ end trace 0000000000000000 ]---
[    7.621487][    T1] RIP: 0010:do_basic_setup+0x5b/0x90
[    7.622107][    T1] Code: 00 fc ff df 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 6d 85 50 fb 4d 8b 5e f8 41 ba a0 82 3b 1a 45 03 53 fc 74 02 <0f> 0b 41 ff d3 49 81 fe 68 10 7e be 73 0f e8 8a eb 12 fb 48 83 c3
[    7.624206][    T1] RSP: 0000:ffffc9000001fed0 EFLAGS: 00010286
[    7.624847][    T1] RAX: 1ffffffff7cfb6de RBX: ffffffffbe7db6f0 RCX: 0000000000000000
[    7.625768][    T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[    7.626696][    T1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[    7.627602][    T1] R10: 00000000bf7be9ac R11: ffffffffbbdc9360 R12: ffffffffbd039fc0
[    7.628513][    T1] R13: 0000000000000000 R14: ffffffffbe7db6f8 R15: dffffc0000000000
[    7.629316][    T1] FS:  0000000000000000(0000) GS:ffffffffbd0dc000(0000) knlGS:0000000000000000
[    7.630979][    T1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.632216][    T1] CR2: ffff88843ffff000 CR3: 000000042529e000 CR4: 00000000000406f0
[    7.633336][    T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    7.634842][    T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    7.636376][    T1] Kernel panic - not syncing: Fatal exception


-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki


             reply	other threads:[~2024-10-28  6:24 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-28  6:24 kernel test robot [this message]
2024-10-28  8:33 ` Alice Ryhl
2024-10-28 15:15   ` Sami Tolvanen
2024-10-28 15:18     ` Alice Ryhl
2024-10-28 17:22       ` Sami Tolvanen
2024-10-29  9:08         ` Alice Ryhl
2024-10-29 15:18           ` Sami Tolvanen
2024-10-30  9:47             ` Alice Ryhl
2024-10-30  9:54               ` Alice Ryhl

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