* [willy-pagecache:folio-mk-pte] [mm] af07c8c757: segfault_at_ip_sp_error
@ 2025-02-06 8:38 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-02-06 8:38 UTC (permalink / raw)
To: Matthew Wilcox; +Cc: oe-lkp, lkp, oliver.sang
Hello,
kernel test robot noticed "segfault_at_ip_sp_error" on:
commit: af07c8c75785d3a4f6f07fd9f55889eaddc8d7b6 ("mm: Set the pte dirty if the folio is already dirty")
git://git.infradead.org/users/willy/pagecache folio-mk-pte
in testcase: boot
config: i386-randconfig-141-20250201
compiler: gcc-12
test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G
(please refer to attached dmesg/kmsg for entire log/backtrace)
+-------------------------------+------------+------------+
| | d15aed2013 | af07c8c757 |
+-------------------------------+------------+------------+
| boot_successes | 12 | 0 |
| boot_failures | 0 | 12 |
| segfault_at_ip_sp_error | 0 | 12 |
| BUG:kernel_hang_in_test_stage | 0 | 12 |
+-------------------------------+------------+------------+
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/202502061612.1f8d78d8-lkp@intel.com
[ 14.966355][ T1] vga=normal
[ 14.967107][ T1] audit=0
[ 14.967848][ T1] ia32_emulation=on
[ 14.968654][ T1] riscv_isa_fallback=1
[ 15.926262][ C1] random: crng init done
[ 15.970491][ T82] rc.local[82]: segfault at 6fb931b8 ip b7fe4c4b sp bfc82840 error 4 in ld-2.15.so[ac4b,b7fda000+20000] likely on CPU 1 (core 1, socket 0)
[ 15.975531][ T82] Code: ec 2c 8b 90 4c 01 00 00 89 5c 24 1c e8 69 df 00 00 81 c3 c2 63 01 00 89 74 24 20 85 d2 89 7c 24 24 89 6c 24 28 74 5b 8b 52 04 <8b> 3a 89 b8 78 01 00 00 8b 4a 08 8b 72 04 8d 69 ff 85 cd 75 69 89
All code
========
0: ec in (%dx),%al
1: 2c 8b sub $0x8b,%al
3: 90 nop
4: 4c 01 00 add %r8,(%rax)
7: 00 89 5c 24 1c e8 add %cl,-0x17e3dba4(%rcx)
d: 69 df 00 00 81 c3 imul $0xc3810000,%edi,%ebx
13: c2 63 01 ret $0x163
16: 00 89 74 24 20 85 add %cl,-0x7adfdb8c(%rcx)
1c: d2 89 7c 24 24 89 rorb %cl,-0x76dbdb84(%rcx)
22: 6c insb (%dx),%es:(%rdi)
23: 24 28 and $0x28,%al
25: 74 5b je 0x82
27: 8b 52 04 mov 0x4(%rdx),%edx
2a:* 8b 3a mov (%rdx),%edi <-- trapping instruction
2c: 89 b8 78 01 00 00 mov %edi,0x178(%rax)
32: 8b 4a 08 mov 0x8(%rdx),%ecx
35: 8b 72 04 mov 0x4(%rdx),%esi
38: 8d 69 ff lea -0x1(%rcx),%ebp
3b: 85 cd test %ecx,%ebp
3d: 75 69 jne 0xa8
3f: 89 .byte 0x89
Code starting with the faulting instruction
===========================================
0: 8b 3a mov (%rdx),%edi
2: 89 b8 78 01 00 00 mov %edi,0x178(%rax)
8: 8b 4a 08 mov 0x8(%rdx),%ecx
b: 8b 72 04 mov 0x4(%rdx),%esi
e: 8d 69 ff lea -0x1(%rcx),%ebp
11: 85 cd test %ecx,%ebp
13: 75 69 jne 0x7e
15: 89 .byte 0x89
[ 16.000067][ T1] init: Error while reading from descriptor: Bad file descriptor
[ 16.002247][ T1] init: Error while reading from descriptor: Bad file descriptor
[ 16.004517][ T1] init: kernel-tests main process (82) killed by SEGV signal
[ 16.007122][ T1] init: hostname main process (83) killed by SEGV signal
[ 16.009669][ T1] init: plymouth main process (84) killed by SEGV signal
[ 16.020244][ T1] init: hwclock main process (85) killed by SEGV signal
[ 16.035819][ T1] init: mountall main process (86) killed by SEGV signal
[ 16.046863][ T87] sh[87]: segfault at 27dcf138 ip b7f4dc4b sp bf8d6970 error 4 in ld-2.15.so[ac4b,b7f43000+20000] likely on CPU 1 (core 1, socket 0)
[ 16.052245][ T87] Code: ec 2c 8b 90 4c 01 00 00 89 5c 24 1c e8 69 df 00 00 81 c3 c2 63 01 00 89 74 24 20 85 d2 89 7c 24 24 89 6c 24 28 74 5b 8b 52 04 <8b> 3a 89 b8 78 01 00 00 8b 4a 08 8b 72 04 8d 69 ff 85 cd 75 69 89
All code
========
0: ec in (%dx),%al
1: 2c 8b sub $0x8b,%al
3: 90 nop
4: 4c 01 00 add %r8,(%rax)
7: 00 89 5c 24 1c e8 add %cl,-0x17e3dba4(%rcx)
d: 69 df 00 00 81 c3 imul $0xc3810000,%edi,%ebx
13: c2 63 01 ret $0x163
16: 00 89 74 24 20 85 add %cl,-0x7adfdb8c(%rcx)
1c: d2 89 7c 24 24 89 rorb %cl,-0x76dbdb84(%rcx)
22: 6c insb (%dx),%es:(%rdi)
23: 24 28 and $0x28,%al
25: 74 5b je 0x82
27: 8b 52 04 mov 0x4(%rdx),%edx
2a:* 8b 3a mov (%rdx),%edi <-- trapping instruction
2c: 89 b8 78 01 00 00 mov %edi,0x178(%rax)
32: 8b 4a 08 mov 0x8(%rdx),%ecx
35: 8b 72 04 mov 0x4(%rdx),%esi
38: 8d 69 ff lea -0x1(%rcx),%ebp
3b: 85 cd test %ecx,%ebp
3d: 75 69 jne 0xa8
3f: 89 .byte 0x89
Code starting with the faulting instruction
===========================================
0: 8b 3a mov (%rdx),%edi
2: 89 b8 78 01 00 00 mov %edi,0x178(%rax)
8: 8b 4a 08 mov 0x8(%rdx),%ecx
b: 8b 72 04 mov 0x4(%rdx),%esi
e: 8d 69 ff lea -0x1(%rcx),%ebp
11: 85 cd test %ecx,%ebp
13: 75 69 jne 0x7e
15: 89 .byte 0x89
[ 16.061637][ T1] init: mountall post-stop process (87) killed by SEGV signal
[ 16.078333][ T1] init: Error while reading from descriptor: Bad file descriptor
[ 16.080704][ T1] init: plymouth-stop pre-start process (88) killed by SEGV signal
[ 16.099555][ T89] sh[89]: segfault at dfc8d138 ip b7ef1c4b sp bfa63cf0 error 5 in ld-2.15.so[ac4b,b7ee7000+20000] likely on CPU 1 (core 1, socket 0)
[ 16.104368][ T89] Code: ec 2c 8b 90 4c 01 00 00 89 5c 24 1c e8 69 df 00 00 81 c3 c2 63 01 00 89 74 24 20 85 d2 89 7c 24 24 89 6c 24 28 74 5b 8b 52 04 <8b> 3a 89 b8 78 01 00 00 8b 4a 08 8b 72 04 8d 69 ff 85 cd 75 69 89
All code
========
0: ec in (%dx),%al
1: 2c 8b sub $0x8b,%al
3: 90 nop
4: 4c 01 00 add %r8,(%rax)
7: 00 89 5c 24 1c e8 add %cl,-0x17e3dba4(%rcx)
d: 69 df 00 00 81 c3 imul $0xc3810000,%edi,%ebx
13: c2 63 01 ret $0x163
16: 00 89 74 24 20 85 add %cl,-0x7adfdb8c(%rcx)
1c: d2 89 7c 24 24 89 rorb %cl,-0x76dbdb84(%rcx)
22: 6c insb (%dx),%es:(%rdi)
23: 24 28 and $0x28,%al
25: 74 5b je 0x82
27: 8b 52 04 mov 0x4(%rdx),%edx
2a:* 8b 3a mov (%rdx),%edi <-- trapping instruction
2c: 89 b8 78 01 00 00 mov %edi,0x178(%rax)
32: 8b 4a 08 mov 0x8(%rdx),%ecx
35: 8b 72 04 mov 0x4(%rdx),%esi
38: 8d 69 ff lea -0x1(%rcx),%ebp
3b: 85 cd test %ecx,%ebp
3d: 75 69 jne 0xa8
3f: 89 .byte 0x89
Code starting with the faulting instruction
===========================================
0: 8b 3a mov (%rdx),%edi
2: 89 b8 78 01 00 00 mov %edi,0x178(%rax)
8: 8b 4a 08 mov 0x8(%rdx),%ecx
b: 8b 72 04 mov 0x4(%rdx),%esi
e: 8d 69 ff lea -0x1(%rcx),%ebp
11: 85 cd test %ecx,%ebp
13: 75 69 jne 0x7e
15: 89 .byte 0x89
[ 16.114058][ T1] init: mountall-shell main process (89) killed by SEGV signal
[ 16.124734][ T90] sh[90]: segfault at 97b8b138 ip b7f31c4b sp bfda86e0 error 4 in ld-2.15.so[ac4b,b7f27000+20000] likely on CPU 1 (core 1, socket 0)
[ 16.129436][ T90] Code: ec 2c 8b 90 4c 01 00 00 89 5c 24 1c e8 69 df 00 00 81 c3 c2 63 01 00 89 74 24 20 85 d2 89 7c 24 24 89 6c 24 28 74 5b 8b 52 04 <8b> 3a 89 b8 78 01 00 00 8b 4a 08 8b 72 04 8d 69 ff 85 cd 75 69 89
All code
========
0: ec in (%dx),%al
1: 2c 8b sub $0x8b,%al
3: 90 nop
4: 4c 01 00 add %r8,(%rax)
7: 00 89 5c 24 1c e8 add %cl,-0x17e3dba4(%rcx)
d: 69 df 00 00 81 c3 imul $0xc3810000,%edi,%ebx
13: c2 63 01 ret $0x163
16: 00 89 74 24 20 85 add %cl,-0x7adfdb8c(%rcx)
1c: d2 89 7c 24 24 89 rorb %cl,-0x76dbdb84(%rcx)
22: 6c insb (%dx),%es:(%rdi)
23: 24 28 and $0x28,%al
25: 74 5b je 0x82
27: 8b 52 04 mov 0x4(%rdx),%edx
2a:* 8b 3a mov (%rdx),%edi <-- trapping instruction
2c: 89 b8 78 01 00 00 mov %edi,0x178(%rax)
32: 8b 4a 08 mov 0x8(%rdx),%ecx
35: 8b 72 04 mov 0x4(%rdx),%esi
38: 8d 69 ff lea -0x1(%rcx),%ebp
3b: 85 cd test %ecx,%ebp
3d: 75 69 jne 0xa8
3f: 89 .byte 0x89
Code starting with the faulting instruction
===========================================
0: 8b 3a mov (%rdx),%edi
2: 89 b8 78 01 00 00 mov %edi,0x178(%rax)
8: 8b 4a 08 mov 0x8(%rdx),%ecx
b: 8b 72 04 mov 0x4(%rdx),%esi
e: 8d 69 ff lea -0x1(%rcx),%ebp
11: 85 cd test %ecx,%ebp
13: 75 69 jne 0x7e
15: 89 .byte 0x89
[ 16.137710][ T1] init: mountall-shell post-stop process (90) killed by SEGV signal
BUG: kernel hang in test stage
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250206/202502061612.1f8d78d8-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2025-02-06 8:39 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-02-06 8:38 [willy-pagecache:folio-mk-pte] [mm] af07c8c757: segfault_at_ip_sp_error kernel test robot
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.