Greeting,
FYI, we noticed the following commit (built with gcc-11):
commit: 2e20fc25bca52fbc786bbae312df56514c10798d ("[PATCH net-next v2 1/3] net: Add a bhash2 table hashed by port + address")
url: https://github.com/intel-lab-lkp/linux/commits/Joanne-Koong/Add-a-second-bind-table-hashed-by-port-address/20220713-075808
base: https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git 5022e221c98a609e0e5b0a73852c7e3d32f1c545
patch link: https://lore.kernel.org/netdev/[email protected]
in testcase: boot
on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+-------------------------------------------------------+------------+------------+
| | 5022e221c9 | 2e20fc25bc |
+-------------------------------------------------------+------------+------------+
| boot_successes | 8 | 0 |
| boot_failures | 0 | 12 |
| BUG:kernel_NULL_pointer_dereference,address | 0 | 12 |
| Oops:#[##] | 0 | 12 |
| RIP:inet_bhash2_update_saddr | 0 | 12 |
| Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 0 | 12 |
+-------------------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <[email protected]>
[ 247.022450][ T328] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 247.024448][ T328] #PF: supervisor write access in kernel mode
[ 247.026159][ T328] #PF: error_code(0x0002) - not-present page
[ 247.027743][ T328] PGD 800000014b28a067 P4D 800000014b28a067 PUD 14b289067 PMD 0
[ 247.029705][ T328] Oops: 0002 [#1] SMP PTI
[ 247.030900][ T328] CPU: 1 PID: 328 Comm: wget Not tainted 5.19.0-rc5-01130-g2e20fc25bca5 #1
[ 247.033223][ T328] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-4 04/01/2014
[ 247.035984][ T328] RIP: 0010:inet_bhash2_update_saddr (include/linux/list.h:884 include/net/sock.h:824 net/ipv4/inet_hashtables.c:872)
[ 247.037623][ T328] Code: 48 8d 83 00 03 00 00 4c 8b a3 f8 02 00 00 48 89 c7 48 89 44 24 28 e8 10 79 01 ff 4c 8b ab 00 03 00 00 4c 89 ef e8 f1 87 01 ff <4d> 89 65 00 4d 85 e4 74 14 e8 93 2b ed fe 49 8d 7c 24 08 e8 d9 87
All code
========
0: 48 8d 83 00 03 00 00 lea 0x300(%rbx),%rax
7: 4c 8b a3 f8 02 00 00 mov 0x2f8(%rbx),%r12
e: 48 89 c7 mov %rax,%rdi
11: 48 89 44 24 28 mov %rax,0x28(%rsp)
16: e8 10 79 01 ff callq 0xffffffffff01792b
1b: 4c 8b ab 00 03 00 00 mov 0x300(%rbx),%r13
22: 4c 89 ef mov %r13,%rdi
25: e8 f1 87 01 ff callq 0xffffffffff01881b
2a:* 4d 89 65 00 mov %r12,0x0(%r13) <-- trapping instruction
2e: 4d 85 e4 test %r12,%r12
31: 74 14 je 0x47
33: e8 93 2b ed fe callq 0xfffffffffeed2bcb
38: 49 8d 7c 24 08 lea 0x8(%r12),%rdi
3d: e8 .byte 0xe8
3e: d9 .byte 0xd9
3f: 87 .byte 0x87
Code starting with the faulting instruction
===========================================
0: 4d 89 65 00 mov %r12,0x0(%r13)
4: 4d 85 e4 test %r12,%r12
7: 74 14 je 0x1d
9: e8 93 2b ed fe callq 0xfffffffffeed2ba1
e: 49 8d 7c 24 08 lea 0x8(%r12),%rdi
13: e8 .byte 0xe8
14: d9 .byte 0xd9
15: 87 .byte 0x87
[ 247.062693][ T328] RSP: 0018:ffffc90000ae7bd8 EFLAGS: 00010246
[ 247.064435][ T328] RAX: ffff88811673c3e0 RBX: ffff8881168e4600 RCX: ffffffff823fb28f
[ 247.066525][ T328] RDX: 0000000000000a28 RSI: 0001ffffffffffff RDI: 0000000000000000
[ 247.068479][ T328] RBP: ffffc90000ae7c60 R08: ffffffff8477ff18 R09: 0000000000000000
[ 247.070484][ T328] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
[ 247.072457][ T328] R13: 0000000000000000 R14: ffffffff84cefd40 R15: ffffffff84cf29c0
[ 247.074463][ T328] FS: 00007f38cc1a6700(0000) GS:ffff88842fd00000(0000) knlGS:0000000000000000
[ 247.076798][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 247.080161][ T328] CR2: 0000000000000000 CR3: 0000000116a32000 CR4: 00000000000006e0
[ 247.082224][ T328] Call Trace:
[ 247.083152][ T328] <TASK>
[ 247.083906][ T328] ? write_comp_data (kernel/kcov.c:229)
[ 247.085183][ T328] tcp_v4_connect (net/ipv4/tcp_ipv4.c:261)
[ 247.086542][ T328] __inet_stream_connect (net/ipv4/af_inet.c:661)
[ 247.088103][ T328] ? write_comp_data (kernel/kcov.c:229)
[ 247.089429][ T328] inet_stream_connect (net/ipv4/af_inet.c:725)
[ 247.090707][ T328] ? __inet_stream_connect (net/ipv4/af_inet.c:720)
[ 247.092104][ T328] __sys_connect_file (net/socket.c:1976)
[ 247.093453][ T328] __sys_connect (net/socket.c:1993)
[ 247.094902][ T328] ? write_comp_data (kernel/kcov.c:229)
[ 247.096382][ T328] ? __x64_sys_alarm (kernel/time/itimer.c:306)
[ 247.097825][ T328] __x64_sys_connect (net/socket.c:2000)
[ 247.115487][ T328] do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
[ 247.116792][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:115)
[ 247.118477][ T328] RIP: 0033:0x7f38cb2662e0
[ 247.119521][ T328] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 83 3d fd 8e 2c 00 00 75 10 b8 2a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 fe ce 00 00 48 89 04 24
All code
========
0: 00 31 add %dh,(%rcx)
2: d2 48 29 rorb %cl,0x29(%rax)
5: c2 64 89 retq $0x8964
8: 11 48 83 adc %ecx,-0x7d(%rax)
b: c8 ff eb ea enterq $0xebff,$0xea
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
16: 90 nop
17: 90 nop
18: 90 nop
19: 90 nop
1a: 83 3d fd 8e 2c 00 00 cmpl $0x0,0x2c8efd(%rip) # 0x2c8f1e
21: 75 10 jne 0x33
23: b8 2a 00 00 00 mov $0x2a,%eax
28: 0f 05 syscall
2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction
30: 73 31 jae 0x63
32: c3 retq
33: 48 83 ec 08 sub $0x8,%rsp
37: e8 fe ce 00 00 callq 0xcf3a
3c: 48 89 04 24 mov %rax,(%rsp)
Code starting with the faulting instruction
===========================================
0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax
6: 73 31 jae 0x39
8: c3 retq
9: 48 83 ec 08 sub $0x8,%rsp
d: e8 fe ce 00 00 callq 0xcf10
12: 48 89 04 24 mov %rax,(%rsp)
[ 247.124379][ T328] RSP: 002b:00007fffffe84038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 247.126935][ T328] RAX: ffffffffffffffda RBX: 00007fffffe840d0 RCX: 00007f38cb2662e0
[ 247.128978][ T328] RDX: 0000000000000010 RSI: 00007fffffe840f0 RDI: 0000000000000004
[ 247.131142][ T328] RBP: 0000000000000004 R08: 00007fffffe83fa0 R09: 0000000000000001
[ 247.133075][ T328] R10: 00007fffffe83dd0 R11: 0000000000000246 R12: 0000000000000050
[ 247.135155][ T328] R13: 000000000065ade0 R14: 0000000001549a70 R15: 000000000000002a
[ 247.137196][ T328] </TASK>
[ 247.142192][ T328] Modules linked in: bochs drm_vram_helper drm_ttm_helper ttm drm_kms_helper syscopyarea sysfillrect sysimgblt ppdev fb_sys_fops sr_mod drm joydev i2c_piix4 cdrom parport_pc parport
[ 247.147469][ T328] CR2: 0000000000000000
[ 247.148548][ T328] ---[ end trace 0000000000000000 ]---
[ 247.186378][ T328] RIP: 0010:inet_bhash2_update_saddr (include/linux/list.h:884 include/net/sock.h:824 net/ipv4/inet_hashtables.c:872)
[ 247.218516][ T328] Code: 48 8d 83 00 03 00 00 4c 8b a3 f8 02 00 00 48 89 c7 48 89 44 24 28 e8 10 79 01 ff 4c 8b ab 00 03 00 00 4c 89 ef e8 f1 87 01 ff <4d> 89 65 00 4d 85 e4 74 14 e8 93 2b ed fe 49 8d 7c 24 08 e8 d9 87
All code
========
0: 48 8d 83 00 03 00 00 lea 0x300(%rbx),%rax
7: 4c 8b a3 f8 02 00 00 mov 0x2f8(%rbx),%r12
e: 48 89 c7 mov %rax,%rdi
11: 48 89 44 24 28 mov %rax,0x28(%rsp)
16: e8 10 79 01 ff callq 0xffffffffff01792b
1b: 4c 8b ab 00 03 00 00 mov 0x300(%rbx),%r13
22: 4c 89 ef mov %r13,%rdi
25: e8 f1 87 01 ff callq 0xffffffffff01881b
2a:* 4d 89 65 00 mov %r12,0x0(%r13) <-- trapping instruction
2e: 4d 85 e4 test %r12,%r12
31: 74 14 je 0x47
33: e8 93 2b ed fe callq 0xfffffffffeed2bcb
38: 49 8d 7c 24 08 lea 0x8(%r12),%rdi
3d: e8 .byte 0xe8
3e: d9 .byte 0xd9
3f: 87 .byte 0x87
Code starting with the faulting instruction
===========================================
0: 4d 89 65 00 mov %r12,0x0(%r13)
4: 4d 85 e4 test %r12,%r12
7: 74 14 je 0x1d
9: e8 93 2b ed fe callq 0xfffffffffeed2ba1
e: 49 8d 7c 24 08 lea 0x8(%r12),%rdi
13: e8 .byte 0xe8
14: d9 .byte 0xd9
15: 87 .byte 0x87
To reproduce:
# build kernel
cd linux
cp config-5.19.0-rc5-01130-g2e20fc25bca5 .config
make HOSTCC=gcc-11 CC=gcc-11 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage modules
make HOSTCC=gcc-11 CC=gcc-11 ARCH=x86_64 INSTALL_MOD_PATH=<mod-install-dir> modules_install
cd <mod-install-dir>
find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
--
0-DAY CI Kernel Test Service
https://01.org/lkp
On Sat, Jul 16, 2022 at 7:20 AM kernel test robot <[email protected]> wrote:
>
>
>
> Greeting,
>
> FYI, we noticed the following commit (built with gcc-11):
>
> commit: 2e20fc25bca52fbc786bbae312df56514c10798d ("[PATCH net-next v2 1/3] net: Add a bhash2 table hashed by port + address")
> url: https://github.com/intel-lab-lkp/linux/commits/Joanne-Koong/Add-a-second-bind-table-hashed-by-port-address/20220713-075808
> base: https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git 5022e221c98a609e0e5b0a73852c7e3d32f1c545
> patch link: https://lore.kernel.org/netdev/[email protected]
>
> in testcase: boot
>
> on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>
>
> +-------------------------------------------------------+------------+------------+
> | | 5022e221c9 | 2e20fc25bc |
> +-------------------------------------------------------+------------+------------+
> | boot_successes | 8 | 0 |
> | boot_failures | 0 | 12 |
> | BUG:kernel_NULL_pointer_dereference,address | 0 | 12 |
> | Oops:#[##] | 0 | 12 |
> | RIP:inet_bhash2_update_saddr | 0 | 12 |
> | Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 0 | 12 |
> +-------------------------------------------------------+------------+------------+
>
>
> If you fix the issue, kindly add following tag
> Reported-by: kernel test robot <[email protected]>
>
I will fix this issue in the next iteration of the patch (if the
previous address was never added to the bhash2 table, then we don't
need to compute the hash for it and remove it from the table). Thanks
for reporting.
>
> [ 247.022450][ T328] BUG: kernel NULL pointer dereference, address: 0000000000000000
> [ 247.024448][ T328] #PF: supervisor write access in kernel mode
> [ 247.026159][ T328] #PF: error_code(0x0002) - not-present page
> [ 247.027743][ T328] PGD 800000014b28a067 P4D 800000014b28a067 PUD 14b289067 PMD 0
> [ 247.029705][ T328] Oops: 0002 [#1] SMP PTI
> [ 247.030900][ T328] CPU: 1 PID: 328 Comm: wget Not tainted 5.19.0-rc5-01130-g2e20fc25bca5 #1
> [ 247.033223][ T328] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-4 04/01/2014
> [ 247.035984][ T328] RIP: 0010:inet_bhash2_update_saddr (include/linux/list.h:884 include/net/sock.h:824 net/ipv4/inet_hashtables.c:872)
> [ 247.037623][ T328] Code: 48 8d 83 00 03 00 00 4c 8b a3 f8 02 00 00 48 89 c7 48 89 44 24 28 e8 10 79 01 ff 4c 8b ab 00 03 00 00 4c 89 ef e8 f1 87 01 ff <4d> 89 65 00 4d 85 e4 74 14 e8 93 2b ed fe 49 8d 7c 24 08 e8 d9 87
> All code
> ========
> 0: 48 8d 83 00 03 00 00 lea 0x300(%rbx),%rax
> 7: 4c 8b a3 f8 02 00 00 mov 0x2f8(%rbx),%r12
> e: 48 89 c7 mov %rax,%rdi
> 11: 48 89 44 24 28 mov %rax,0x28(%rsp)
> 16: e8 10 79 01 ff callq 0xffffffffff01792b
> 1b: 4c 8b ab 00 03 00 00 mov 0x300(%rbx),%r13
> 22: 4c 89 ef mov %r13,%rdi
> 25: e8 f1 87 01 ff callq 0xffffffffff01881b
> 2a:* 4d 89 65 00 mov %r12,0x0(%r13) <-- trapping instruction
> 2e: 4d 85 e4 test %r12,%r12
> 31: 74 14 je 0x47
> 33: e8 93 2b ed fe callq 0xfffffffffeed2bcb
> 38: 49 8d 7c 24 08 lea 0x8(%r12),%rdi
> 3d: e8 .byte 0xe8
> 3e: d9 .byte 0xd9
> 3f: 87 .byte 0x87
>
> Code starting with the faulting instruction
> ===========================================
> 0: 4d 89 65 00 mov %r12,0x0(%r13)
> 4: 4d 85 e4 test %r12,%r12
> 7: 74 14 je 0x1d
> 9: e8 93 2b ed fe callq 0xfffffffffeed2ba1
> e: 49 8d 7c 24 08 lea 0x8(%r12),%rdi
> 13: e8 .byte 0xe8
> 14: d9 .byte 0xd9
> 15: 87 .byte 0x87
> [ 247.062693][ T328] RSP: 0018:ffffc90000ae7bd8 EFLAGS: 00010246
> [ 247.064435][ T328] RAX: ffff88811673c3e0 RBX: ffff8881168e4600 RCX: ffffffff823fb28f
> [ 247.066525][ T328] RDX: 0000000000000a28 RSI: 0001ffffffffffff RDI: 0000000000000000
> [ 247.068479][ T328] RBP: ffffc90000ae7c60 R08: ffffffff8477ff18 R09: 0000000000000000
> [ 247.070484][ T328] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
> [ 247.072457][ T328] R13: 0000000000000000 R14: ffffffff84cefd40 R15: ffffffff84cf29c0
> [ 247.074463][ T328] FS: 00007f38cc1a6700(0000) GS:ffff88842fd00000(0000) knlGS:0000000000000000
> [ 247.076798][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 247.080161][ T328] CR2: 0000000000000000 CR3: 0000000116a32000 CR4: 00000000000006e0
> [ 247.082224][ T328] Call Trace:
> [ 247.083152][ T328] <TASK>
> [ 247.083906][ T328] ? write_comp_data (kernel/kcov.c:229)
> [ 247.085183][ T328] tcp_v4_connect (net/ipv4/tcp_ipv4.c:261)
> [ 247.086542][ T328] __inet_stream_connect (net/ipv4/af_inet.c:661)
> [ 247.088103][ T328] ? write_comp_data (kernel/kcov.c:229)
> [ 247.089429][ T328] inet_stream_connect (net/ipv4/af_inet.c:725)
> [ 247.090707][ T328] ? __inet_stream_connect (net/ipv4/af_inet.c:720)
> [ 247.092104][ T328] __sys_connect_file (net/socket.c:1976)
> [ 247.093453][ T328] __sys_connect (net/socket.c:1993)
> [ 247.094902][ T328] ? write_comp_data (kernel/kcov.c:229)
> [ 247.096382][ T328] ? __x64_sys_alarm (kernel/time/itimer.c:306)
> [ 247.097825][ T328] __x64_sys_connect (net/socket.c:2000)
> [ 247.115487][ T328] do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
> [ 247.116792][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:115)
> [ 247.118477][ T328] RIP: 0033:0x7f38cb2662e0
> [ 247.119521][ T328] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 83 3d fd 8e 2c 00 00 75 10 b8 2a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 fe ce 00 00 48 89 04 24
> All code
> ========
> 0: 00 31 add %dh,(%rcx)
> 2: d2 48 29 rorb %cl,0x29(%rax)
> 5: c2 64 89 retq $0x8964
> 8: 11 48 83 adc %ecx,-0x7d(%rax)
> b: c8 ff eb ea enterq $0xebff,$0xea
> f: 90 nop
> 10: 90 nop
> 11: 90 nop
> 12: 90 nop
> 13: 90 nop
> 14: 90 nop
> 15: 90 nop
> 16: 90 nop
> 17: 90 nop
> 18: 90 nop
> 19: 90 nop
> 1a: 83 3d fd 8e 2c 00 00 cmpl $0x0,0x2c8efd(%rip) # 0x2c8f1e
> 21: 75 10 jne 0x33
> 23: b8 2a 00 00 00 mov $0x2a,%eax
> 28: 0f 05 syscall
> 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction
> 30: 73 31 jae 0x63
> 32: c3 retq
> 33: 48 83 ec 08 sub $0x8,%rsp
> 37: e8 fe ce 00 00 callq 0xcf3a
> 3c: 48 89 04 24 mov %rax,(%rsp)
>
> Code starting with the faulting instruction
> ===========================================
> 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax
> 6: 73 31 jae 0x39
> 8: c3 retq
> 9: 48 83 ec 08 sub $0x8,%rsp
> d: e8 fe ce 00 00 callq 0xcf10
> 12: 48 89 04 24 mov %rax,(%rsp)
> [ 247.124379][ T328] RSP: 002b:00007fffffe84038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
> [ 247.126935][ T328] RAX: ffffffffffffffda RBX: 00007fffffe840d0 RCX: 00007f38cb2662e0
> [ 247.128978][ T328] RDX: 0000000000000010 RSI: 00007fffffe840f0 RDI: 0000000000000004
> [ 247.131142][ T328] RBP: 0000000000000004 R08: 00007fffffe83fa0 R09: 0000000000000001
> [ 247.133075][ T328] R10: 00007fffffe83dd0 R11: 0000000000000246 R12: 0000000000000050
> [ 247.135155][ T328] R13: 000000000065ade0 R14: 0000000001549a70 R15: 000000000000002a
> [ 247.137196][ T328] </TASK>
> [ 247.142192][ T328] Modules linked in: bochs drm_vram_helper drm_ttm_helper ttm drm_kms_helper syscopyarea sysfillrect sysimgblt ppdev fb_sys_fops sr_mod drm joydev i2c_piix4 cdrom parport_pc parport
> [ 247.147469][ T328] CR2: 0000000000000000
> [ 247.148548][ T328] ---[ end trace 0000000000000000 ]---
> [ 247.186378][ T328] RIP: 0010:inet_bhash2_update_saddr (include/linux/list.h:884 include/net/sock.h:824 net/ipv4/inet_hashtables.c:872)
> [ 247.218516][ T328] Code: 48 8d 83 00 03 00 00 4c 8b a3 f8 02 00 00 48 89 c7 48 89 44 24 28 e8 10 79 01 ff 4c 8b ab 00 03 00 00 4c 89 ef e8 f1 87 01 ff <4d> 89 65 00 4d 85 e4 74 14 e8 93 2b ed fe 49 8d 7c 24 08 e8 d9 87
> All code
> ========
> 0: 48 8d 83 00 03 00 00 lea 0x300(%rbx),%rax
> 7: 4c 8b a3 f8 02 00 00 mov 0x2f8(%rbx),%r12
> e: 48 89 c7 mov %rax,%rdi
> 11: 48 89 44 24 28 mov %rax,0x28(%rsp)
> 16: e8 10 79 01 ff callq 0xffffffffff01792b
> 1b: 4c 8b ab 00 03 00 00 mov 0x300(%rbx),%r13
> 22: 4c 89 ef mov %r13,%rdi
> 25: e8 f1 87 01 ff callq 0xffffffffff01881b
> 2a:* 4d 89 65 00 mov %r12,0x0(%r13) <-- trapping instruction
> 2e: 4d 85 e4 test %r12,%r12
> 31: 74 14 je 0x47
> 33: e8 93 2b ed fe callq 0xfffffffffeed2bcb
> 38: 49 8d 7c 24 08 lea 0x8(%r12),%rdi
> 3d: e8 .byte 0xe8
> 3e: d9 .byte 0xd9
> 3f: 87 .byte 0x87
>
> Code starting with the faulting instruction
> ===========================================
> 0: 4d 89 65 00 mov %r12,0x0(%r13)
> 4: 4d 85 e4 test %r12,%r12
> 7: 74 14 je 0x1d
> 9: e8 93 2b ed fe callq 0xfffffffffeed2ba1
> e: 49 8d 7c 24 08 lea 0x8(%r12),%rdi
> 13: e8 .byte 0xe8
> 14: d9 .byte 0xd9
> 15: 87 .byte 0x87
>
>
> To reproduce:
>
> # build kernel
> cd linux
> cp config-5.19.0-rc5-01130-g2e20fc25bca5 .config
> make HOSTCC=gcc-11 CC=gcc-11 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage modules
> make HOSTCC=gcc-11 CC=gcc-11 ARCH=x86_64 INSTALL_MOD_PATH=<mod-install-dir> modules_install
> cd <mod-install-dir>
> find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz
>
>
> git clone https://github.com/intel/lkp-tests.git
> cd lkp-tests
> bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email
>
> # if come across any failure that blocks the test,
> # please remove ~/.lkp and /lkp dir to run from a clean state.
>
>
>
> --
> 0-DAY CI Kernel Test Service
> https://01.org/lkp
>
>