* [syzbot] kernel BUG in trans_pgd_create_copy
@ 2021-11-06 7:48 ` syzbot
0 siblings, 0 replies; 4+ messages in thread
From: syzbot @ 2021-11-06 7:48 UTC (permalink / raw)
To: catalin.marinas, james.morse, linux-arm-kernel, linux-kernel,
pasha.tatashin, syzkaller-bugs, will
Hello,
syzbot found the following issue on:
HEAD commit: d4439a1189f9 Merge tag 'hsi-for-5.16' of git://git.kernel...
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12b5f782b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=8eccc5e89b1d525c
dashboard link: https://syzkaller.appspot.com/bug?extid=a0d68c9c9123000ed5ab
compiler: aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1
userspace arch: arm
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a0d68c9c9123000ed5ab@syzkaller.appspotmail.com
------------[ cut here ]------------
kernel BUG at arch/arm64/include/asm/pgalloc.h:79!
Internal error: Oops - BUG: 0 [#1] SMP
Modules linked in:
CPU: 0 PID: 12093 Comm: syz-executor.1 Not tainted 5.15.0-syzkaller-10158-gd4439a1189f9 #0
Hardware name: linux,dummy-virt (DT)
pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : pmd_populate_kernel arch/arm64/include/asm/pgalloc.h:79 [inline]
pc : copy_pte arch/arm64/mm/trans_pgd.c:70 [inline]
pc : copy_pmd arch/arm64/mm/trans_pgd.c:105 [inline]
pc : copy_pud arch/arm64/mm/trans_pgd.c:141 [inline]
pc : copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline]
pc : copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline]
pc : trans_pgd_create_copy+0x5bc/0x7f0 arch/arm64/mm/trans_pgd.c:213
lr : trans_alloc arch/arm64/mm/trans_pgd.c:30 [inline]
lr : copy_pte arch/arm64/mm/trans_pgd.c:67 [inline]
lr : copy_pmd arch/arm64/mm/trans_pgd.c:105 [inline]
lr : copy_pud arch/arm64/mm/trans_pgd.c:141 [inline]
lr : copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline]
lr : copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline]
lr : trans_pgd_create_copy+0x480/0x7f0 arch/arm64/mm/trans_pgd.c:213
sp : ffff80001b977a60
x29: ffff80001b977a60 x28: 1fffe0000ffff000 x27: ffff800010059c90
x26: ffff00003fffffff x25: ffff000032476000 x24: dfff800000000000
x23: ffff000000200000 x22: ffff80001b977c30 x21: ffff000040000000
x20: ffff00007fff8000 x19: ffff000000000000 x18: fffffbffeff9c3c8
x17: 0000000000000000 x16: 0000000000000000 x15: d503201fd503201f
x14: 1ffff0000372ee30 x13: 0000000000000000 x12: ffff60000648f000
x11: 1fffe0000648efff x10: ffff60000648efff x9 : 0000000000000000
x8 : ffff000032478000 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000004
x2 : fffffc0000000000 x1 : ffff800015f1e560 x0 : ffff000032477000
Call trace:
set_p4d arch/arm64/include/asm/pgtable.h:695 [inline]
__p4d_populate arch/arm64/include/asm/pgalloc.h:46 [inline]
p4d_populate arch/arm64/include/asm/pgalloc.h:54 [inline]
copy_pud arch/arm64/mm/trans_pgd.c:129 [inline]
copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline]
copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline]
trans_pgd_create_copy+0x5bc/0x7f0 arch/arm64/mm/trans_pgd.c:213
machine_kexec_post_load+0x178/0x6d0 arch/arm64/kernel/machine_kexec.c:146
do_kexec_load+0x194/0x520 kernel/kexec.c:155
__do_compat_sys_kexec_load kernel/kexec.c:292 [inline]
__se_compat_sys_kexec_load kernel/kexec.c:257 [inline]
__arm64_compat_sys_kexec_load+0x36c/0x47c kernel/kexec.c:257
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x6c/0x260 arch/arm64/kernel/syscall.c:52
el0_svc_common.constprop.0+0xc4/0x254 arch/arm64/kernel/syscall.c:142
do_el0_svc_compat+0x40/0x80 arch/arm64/kernel/syscall.c:187
el0_svc_compat+0x64/0x280 arch/arm64/kernel/entry-common.c:736
el0t_32_sync_handler+0x90/0x140 arch/arm64/kernel/entry-common.c:746
el0t_32_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:577
Code: 17fffee0 aa1503e0 97ffdd37 17ffff17 (d4210000)
---[ end trace a6c0112af29130b0 ]---
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [syzbot] kernel BUG in trans_pgd_create_copy
@ 2021-11-06 7:48 ` syzbot
0 siblings, 0 replies; 4+ messages in thread
From: syzbot @ 2021-11-06 7:48 UTC (permalink / raw)
To: catalin.marinas, james.morse, linux-arm-kernel, linux-kernel,
pasha.tatashin, syzkaller-bugs, will
Hello,
syzbot found the following issue on:
HEAD commit: d4439a1189f9 Merge tag 'hsi-for-5.16' of git://git.kernel...
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12b5f782b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=8eccc5e89b1d525c
dashboard link: https://syzkaller.appspot.com/bug?extid=a0d68c9c9123000ed5ab
compiler: aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1
userspace arch: arm
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a0d68c9c9123000ed5ab@syzkaller.appspotmail.com
------------[ cut here ]------------
kernel BUG at arch/arm64/include/asm/pgalloc.h:79!
Internal error: Oops - BUG: 0 [#1] SMP
Modules linked in:
CPU: 0 PID: 12093 Comm: syz-executor.1 Not tainted 5.15.0-syzkaller-10158-gd4439a1189f9 #0
Hardware name: linux,dummy-virt (DT)
pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : pmd_populate_kernel arch/arm64/include/asm/pgalloc.h:79 [inline]
pc : copy_pte arch/arm64/mm/trans_pgd.c:70 [inline]
pc : copy_pmd arch/arm64/mm/trans_pgd.c:105 [inline]
pc : copy_pud arch/arm64/mm/trans_pgd.c:141 [inline]
pc : copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline]
pc : copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline]
pc : trans_pgd_create_copy+0x5bc/0x7f0 arch/arm64/mm/trans_pgd.c:213
lr : trans_alloc arch/arm64/mm/trans_pgd.c:30 [inline]
lr : copy_pte arch/arm64/mm/trans_pgd.c:67 [inline]
lr : copy_pmd arch/arm64/mm/trans_pgd.c:105 [inline]
lr : copy_pud arch/arm64/mm/trans_pgd.c:141 [inline]
lr : copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline]
lr : copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline]
lr : trans_pgd_create_copy+0x480/0x7f0 arch/arm64/mm/trans_pgd.c:213
sp : ffff80001b977a60
x29: ffff80001b977a60 x28: 1fffe0000ffff000 x27: ffff800010059c90
x26: ffff00003fffffff x25: ffff000032476000 x24: dfff800000000000
x23: ffff000000200000 x22: ffff80001b977c30 x21: ffff000040000000
x20: ffff00007fff8000 x19: ffff000000000000 x18: fffffbffeff9c3c8
x17: 0000000000000000 x16: 0000000000000000 x15: d503201fd503201f
x14: 1ffff0000372ee30 x13: 0000000000000000 x12: ffff60000648f000
x11: 1fffe0000648efff x10: ffff60000648efff x9 : 0000000000000000
x8 : ffff000032478000 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000004
x2 : fffffc0000000000 x1 : ffff800015f1e560 x0 : ffff000032477000
Call trace:
set_p4d arch/arm64/include/asm/pgtable.h:695 [inline]
__p4d_populate arch/arm64/include/asm/pgalloc.h:46 [inline]
p4d_populate arch/arm64/include/asm/pgalloc.h:54 [inline]
copy_pud arch/arm64/mm/trans_pgd.c:129 [inline]
copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline]
copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline]
trans_pgd_create_copy+0x5bc/0x7f0 arch/arm64/mm/trans_pgd.c:213
machine_kexec_post_load+0x178/0x6d0 arch/arm64/kernel/machine_kexec.c:146
do_kexec_load+0x194/0x520 kernel/kexec.c:155
__do_compat_sys_kexec_load kernel/kexec.c:292 [inline]
__se_compat_sys_kexec_load kernel/kexec.c:257 [inline]
__arm64_compat_sys_kexec_load+0x36c/0x47c kernel/kexec.c:257
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x6c/0x260 arch/arm64/kernel/syscall.c:52
el0_svc_common.constprop.0+0xc4/0x254 arch/arm64/kernel/syscall.c:142
do_el0_svc_compat+0x40/0x80 arch/arm64/kernel/syscall.c:187
el0_svc_compat+0x64/0x280 arch/arm64/kernel/entry-common.c:736
el0t_32_sync_handler+0x90/0x140 arch/arm64/kernel/entry-common.c:746
el0t_32_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:577
Code: 17fffee0 aa1503e0 97ffdd37 17ffff17 (d4210000)
---[ end trace a6c0112af29130b0 ]---
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [syzbot] kernel BUG in trans_pgd_create_copy
2021-11-06 7:48 ` syzbot
@ 2021-11-06 7:59 ` Rongwei Wang
-1 siblings, 0 replies; 4+ messages in thread
From: Rongwei Wang @ 2021-11-06 7:59 UTC (permalink / raw)
To: syzbot, catalin.marinas, james.morse, linux-arm-kernel,
linux-kernel, pasha.tatashin, syzkaller-bugs, will
On 11/6/21 3:48 PM, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: d4439a1189f9 Merge tag 'hsi-for-5.16' of git://git.kernel...
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=12b5f782b00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=8eccc5e89b1d525c
> dashboard link: https://syzkaller.appspot.com/bug?extid=a0d68c9c9123000ed5ab
> compiler: aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1
> userspace arch: arm
>
> Unfortunately, I don't have any reproducer for this issue yet.
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+a0d68c9c9123000ed5ab@syzkaller.appspotmail.com
>
> ------------[ cut here ]------------
> kernel BUG at arch/arm64/include/asm/pgalloc.h:79!
> Internal error: Oops - BUG: 0 [#1] SMP
> Modules linked in:
> CPU: 0 PID: 12093 Comm: syz-executor.1 Not tainted 5.15.0-syzkaller-10158-gd4439a1189f9 #0
> Hardware name: linux,dummy-virt (DT)
> pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> pc : pmd_populate_kernel arch/arm64/include/asm/pgalloc.h:79 [inline]
> pc : copy_pte arch/arm64/mm/trans_pgd.c:70 [inline]
> pc : copy_pmd arch/arm64/mm/trans_pgd.c:105 [inline]
> pc : copy_pud arch/arm64/mm/trans_pgd.c:141 [inline]
> pc : copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline]
> pc : copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline]
> pc : trans_pgd_create_copy+0x5bc/0x7f0 arch/arm64/mm/trans_pgd.c:213
> lr : trans_alloc arch/arm64/mm/trans_pgd.c:30 [inline]
> lr : copy_pte arch/arm64/mm/trans_pgd.c:67 [inline]
> lr : copy_pmd arch/arm64/mm/trans_pgd.c:105 [inline]
> lr : copy_pud arch/arm64/mm/trans_pgd.c:141 [inline]
> lr : copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline]
> lr : copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline]
> lr : trans_pgd_create_copy+0x480/0x7f0 arch/arm64/mm/trans_pgd.c:213
> sp : ffff80001b977a60
> x29: ffff80001b977a60 x28: 1fffe0000ffff000 x27: ffff800010059c90
> x26: ffff00003fffffff x25: ffff000032476000 x24: dfff800000000000
> x23: ffff000000200000 x22: ffff80001b977c30 x21: ffff000040000000
> x20: ffff00007fff8000 x19: ffff000000000000 x18: fffffbffeff9c3c8
> x17: 0000000000000000 x16: 0000000000000000 x15: d503201fd503201f
> x14: 1ffff0000372ee30 x13: 0000000000000000 x12: ffff60000648f000
> x11: 1fffe0000648efff x10: ffff60000648efff x9 : 0000000000000000
> x8 : ffff000032478000 x7 : 0000000000000000 x6 : 000000000000003f
> x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000004
> x2 : fffffc0000000000 x1 : ffff800015f1e560 x0 : ffff000032477000
> Call trace:
> set_p4d arch/arm64/include/asm/pgtable.h:695 [inline]
> __p4d_populate arch/arm64/include/asm/pgalloc.h:46 [inline]
> p4d_populate arch/arm64/include/asm/pgalloc.h:54 [inline]
> copy_pud arch/arm64/mm/trans_pgd.c:129 [inline]
> copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline]
> copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline]
> trans_pgd_create_copy+0x5bc/0x7f0 arch/arm64/mm/trans_pgd.c:213
> machine_kexec_post_load+0x178/0x6d0 arch/arm64/kernel/machine_kexec.c:146
> do_kexec_load+0x194/0x520 kernel/kexec.c:155
> __do_compat_sys_kexec_load kernel/kexec.c:292 [inline]
> __se_compat_sys_kexec_load kernel/kexec.c:257 [inline]
> __arm64_compat_sys_kexec_load+0x36c/0x47c kernel/kexec.c:257
> __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
> invoke_syscall+0x6c/0x260 arch/arm64/kernel/syscall.c:52
> el0_svc_common.constprop.0+0xc4/0x254 arch/arm64/kernel/syscall.c:142
> do_el0_svc_compat+0x40/0x80 arch/arm64/kernel/syscall.c:187
> el0_svc_compat+0x64/0x280 arch/arm64/kernel/entry-common.c:736
> el0t_32_sync_handler+0x90/0x140 arch/arm64/kernel/entry-common.c:746
> el0t_32_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:577
> Code: 17fffee0 aa1503e0 97ffdd37 17ffff17 (d4210000)
> ---[ end trace a6c0112af29130b0 ]---
>
>
This bug seems like that I described in last week:
link:
https://patchwork.kernel.org/project/linux-arm-kernel/patch/20211030183200.51295-2-rongwei.wang@linux.alibaba.com/
> ---
> This report is generated by a bot. It may contain errors.
> See https://goo.gl/tpsmEJ for more information about syzbot.
> syzbot engineers can be reached at syzkaller@googlegroups.com.
>
> syzbot will keep track of this issue. See:
> https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [syzbot] kernel BUG in trans_pgd_create_copy
@ 2021-11-06 7:59 ` Rongwei Wang
0 siblings, 0 replies; 4+ messages in thread
From: Rongwei Wang @ 2021-11-06 7:59 UTC (permalink / raw)
To: syzbot, catalin.marinas, james.morse, linux-arm-kernel,
linux-kernel, pasha.tatashin, syzkaller-bugs, will
On 11/6/21 3:48 PM, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: d4439a1189f9 Merge tag 'hsi-for-5.16' of git://git.kernel...
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=12b5f782b00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=8eccc5e89b1d525c
> dashboard link: https://syzkaller.appspot.com/bug?extid=a0d68c9c9123000ed5ab
> compiler: aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1
> userspace arch: arm
>
> Unfortunately, I don't have any reproducer for this issue yet.
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+a0d68c9c9123000ed5ab@syzkaller.appspotmail.com
>
> ------------[ cut here ]------------
> kernel BUG at arch/arm64/include/asm/pgalloc.h:79!
> Internal error: Oops - BUG: 0 [#1] SMP
> Modules linked in:
> CPU: 0 PID: 12093 Comm: syz-executor.1 Not tainted 5.15.0-syzkaller-10158-gd4439a1189f9 #0
> Hardware name: linux,dummy-virt (DT)
> pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> pc : pmd_populate_kernel arch/arm64/include/asm/pgalloc.h:79 [inline]
> pc : copy_pte arch/arm64/mm/trans_pgd.c:70 [inline]
> pc : copy_pmd arch/arm64/mm/trans_pgd.c:105 [inline]
> pc : copy_pud arch/arm64/mm/trans_pgd.c:141 [inline]
> pc : copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline]
> pc : copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline]
> pc : trans_pgd_create_copy+0x5bc/0x7f0 arch/arm64/mm/trans_pgd.c:213
> lr : trans_alloc arch/arm64/mm/trans_pgd.c:30 [inline]
> lr : copy_pte arch/arm64/mm/trans_pgd.c:67 [inline]
> lr : copy_pmd arch/arm64/mm/trans_pgd.c:105 [inline]
> lr : copy_pud arch/arm64/mm/trans_pgd.c:141 [inline]
> lr : copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline]
> lr : copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline]
> lr : trans_pgd_create_copy+0x480/0x7f0 arch/arm64/mm/trans_pgd.c:213
> sp : ffff80001b977a60
> x29: ffff80001b977a60 x28: 1fffe0000ffff000 x27: ffff800010059c90
> x26: ffff00003fffffff x25: ffff000032476000 x24: dfff800000000000
> x23: ffff000000200000 x22: ffff80001b977c30 x21: ffff000040000000
> x20: ffff00007fff8000 x19: ffff000000000000 x18: fffffbffeff9c3c8
> x17: 0000000000000000 x16: 0000000000000000 x15: d503201fd503201f
> x14: 1ffff0000372ee30 x13: 0000000000000000 x12: ffff60000648f000
> x11: 1fffe0000648efff x10: ffff60000648efff x9 : 0000000000000000
> x8 : ffff000032478000 x7 : 0000000000000000 x6 : 000000000000003f
> x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000004
> x2 : fffffc0000000000 x1 : ffff800015f1e560 x0 : ffff000032477000
> Call trace:
> set_p4d arch/arm64/include/asm/pgtable.h:695 [inline]
> __p4d_populate arch/arm64/include/asm/pgalloc.h:46 [inline]
> p4d_populate arch/arm64/include/asm/pgalloc.h:54 [inline]
> copy_pud arch/arm64/mm/trans_pgd.c:129 [inline]
> copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline]
> copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline]
> trans_pgd_create_copy+0x5bc/0x7f0 arch/arm64/mm/trans_pgd.c:213
> machine_kexec_post_load+0x178/0x6d0 arch/arm64/kernel/machine_kexec.c:146
> do_kexec_load+0x194/0x520 kernel/kexec.c:155
> __do_compat_sys_kexec_load kernel/kexec.c:292 [inline]
> __se_compat_sys_kexec_load kernel/kexec.c:257 [inline]
> __arm64_compat_sys_kexec_load+0x36c/0x47c kernel/kexec.c:257
> __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
> invoke_syscall+0x6c/0x260 arch/arm64/kernel/syscall.c:52
> el0_svc_common.constprop.0+0xc4/0x254 arch/arm64/kernel/syscall.c:142
> do_el0_svc_compat+0x40/0x80 arch/arm64/kernel/syscall.c:187
> el0_svc_compat+0x64/0x280 arch/arm64/kernel/entry-common.c:736
> el0t_32_sync_handler+0x90/0x140 arch/arm64/kernel/entry-common.c:746
> el0t_32_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:577
> Code: 17fffee0 aa1503e0 97ffdd37 17ffff17 (d4210000)
> ---[ end trace a6c0112af29130b0 ]---
>
>
This bug seems like that I described in last week:
link:
https://patchwork.kernel.org/project/linux-arm-kernel/patch/20211030183200.51295-2-rongwei.wang@linux.alibaba.com/
> ---
> This report is generated by a bot. It may contain errors.
> See https://goo.gl/tpsmEJ for more information about syzbot.
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2021-11-06 7:48 [syzbot] kernel BUG in trans_pgd_create_copy syzbot
2021-11-06 7:48 ` syzbot
2021-11-06 7:59 ` Rongwei Wang
2021-11-06 7:59 ` Rongwei Wang
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