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Message-ID: <202411132111.6a221562-lkp@intel.com>
Date: Wed, 13 Nov 2024 22:06:38 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Suren Baghdasaryan <surenb@...gle.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, Andrew Morton
	<akpm@...ux-foundation.org>, Pasha Tatashin <pasha.tatashin@...een.com>, "Ard
 Biesheuvel" <ardb@...nel.org>, Arnd Bergmann <arnd@...db.de>, Borislav Petkov
	<bp@...en8.de>, Christoph Hellwig <hch@...radead.org>, Daniel Gomez
	<da.gomez@...sung.com>, David Hildenbrand <david@...hat.com>, Davidlohr Bueso
	<dave@...olabs.net>, David Rientjes <rientjes@...gle.com>, Dennis Zhou
	<dennis@...nel.org>, Johannes Weiner <hannes@...xchg.org>, John Hubbard
	<jhubbard@...dia.com>, Jonathan Corbet <corbet@....net>, Joonsoo Kim
	<iamjoonsoo.kim@....com>, Kalesh Singh <kaleshsingh@...gle.com>, Kees Cook
	<keescook@...omium.org>, Kent Overstreet <kent.overstreet@...ux.dev>, "Liam
 R. Howlett" <Liam.Howlett@...cle.com>, Luis Chamberlain <mcgrof@...nel.org>,
	Matthew Wilcox <willy@...radead.org>, Michal Hocko <mhocko@...e.com>, "Mike
 Rapoport" <rppt@...nel.org>, Minchan Kim <minchan@...gle.com>, "Paul E.
 McKenney" <paulmck@...nel.org>, Petr Pavlu <petr.pavlu@...e.com>, "Roman
 Gushchin" <roman.gushchin@...ux.dev>, Sami Tolvanen
	<samitolvanen@...gle.com>, Sourav Panda <souravpanda@...gle.com>, Steven
 Rostedt <rostedt@...dmis.org>, Thomas Gleixner <tglx@...utronix.de>, Thomas
 Huth <thuth@...hat.com>, Uladzislau Rezki <urezki@...il.com>, Vlastimil Babka
	<vbabka@...e.cz>, Xiongwei Song <xiongwei.song@...driver.com>, Yu Zhao
	<yuzhao@...gle.com>, <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
	<oliver.sang@...el.com>
Subject: [linux-next:master] [alloc_tag]  0f9b685626:
 BUG:KASAN:vmalloc-out-of-bounds_in_move_module



Hello,


we reported
"[linux-next:master] [alloc_tag]  a9c60bb0d0: BUG:KASAN:vmalloc-out-of-bounds_in_load_module"
in
https://lore.kernel.org/all/202410281441.216670ac-lkp@intel.com/

we noticed it seems there is following patch.

we made below report just FYI that the commit still cause similar issue on
linux-next/master and not fixed on tip of linux-next/master when this bisect
is done.


kernel test robot noticed "BUG:KASAN:vmalloc-out-of-bounds_in_move_module" on:

commit: 0f9b685626daa2f8e19a9788625c9b624c223e45 ("alloc_tag: populate memory for module tags as needed")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master

[test failed on linux-next/master 929beafbe7acce3267c06115e13e03ff6e50548a]

in testcase: rcuscale
version: 
with following parameters:

	runtime: 300s
	scale_type: srcu



config: x86_64-randconfig-014-20241107
compiler: gcc-12
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G

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


+------------------------------------------------+------------+------------+
|                                                | 0db6f8d782 | 0f9b685626 |
+------------------------------------------------+------------+------------+
| boot_successes                                 | 18         | 0          |
| boot_failures                                  | 0          | 18         |
| BUG:KASAN:vmalloc-out-of-bounds_in_move_module | 0          | 18         |
| BUG:unable_to_handle_page_fault_for_address    | 0          | 18         |
| Oops                                           | 0          | 18         |
| RIP:kasan_metadata_fetch_row                   | 0          | 18         |
| Kernel_panic-not_syncing:Fatal_exception       | 0          | 18         |
+------------------------------------------------+------------+------------+


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@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202411132111.6a221562-lkp@intel.com


[ 153.897376][ T402] BUG: KASAN: vmalloc-out-of-bounds in move_module (kernel/module/main.c:2357) 
[  153.899141][  T402] Write of size 40 at addr ffffffffa0000000 by task modprobe/402
[  153.900837][  T402]
[  153.901496][  T402] CPU: 0 UID: 0 PID: 402 Comm: modprobe Tainted: G                T  6.12.0-rc6-00146-g0f9b685626da #1 87c8486a909ba2f90eff061a4c9c1fa5c9cd90ea
[  153.904537][  T402] Tainted: [T]=RANDSTRUCT
[  153.905500][  T402] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  153.907702][  T402] Call Trace:
[  153.908510][  T402]  <TASK>
[ 153.909241][ T402] print_address_description+0x65/0x2fa 
[ 153.910663][ T402] print_report (mm/kasan/report.c:489) 
[ 153.911771][ T402] ? move_module (kernel/module/main.c:2357) 
[ 153.912825][ T402] kasan_report (mm/kasan/report.c:603) 
[ 153.913821][ T402] ? move_module (kernel/module/main.c:2357) 
[ 153.914904][ T402] kasan_check_range (mm/kasan/generic.c:183 mm/kasan/generic.c:189) 
[ 153.916029][ T402] __asan_memcpy (mm/kasan/shadow.c:105 (discriminator 1)) 
[ 153.917057][ T402] move_module (kernel/module/main.c:2357) 
[ 153.918071][ T402] layout_and_allocate+0x446/0x523 
[ 153.919459][ T402] load_module (kernel/module/main.c:2985) 
[ 153.920457][ T402] ? mode_strip_umask (fs/namei.c:3248) 
[ 153.921557][ T402] init_module_from_file (kernel/module/main.c:3266) 
[ 153.922825][ T402] ? __ia32_sys_init_module (kernel/module/main.c:3266) 
[ 153.923992][ T402] ? __lock_release+0x106/0x38c 
[ 153.925173][ T402] ? idempotent_init_module (kernel/module/main.c:3301) 
[ 153.926364][ T402] ? lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) 
[ 153.944053][ T402] idempotent_init_module (kernel/module/main.c:3302) 
[ 153.945164][ T402] ? init_module_from_file (kernel/module/main.c:3294) 
[ 153.946268][ T402] ? security_capable (security/security.c:1143) 
[ 153.947421][ T402] __do_sys_finit_module (include/linux/file.h:68 kernel/module/main.c:3330) 
[ 153.948495][ T402] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 153.949540][ T402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  153.950855][  T402] RIP: 0033:0x7f0f37df7719
[ 153.951869][ T402] Code: 08 89 e8 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b7 06 0d 00 f7 d8 64 89 01 48
All code
========
   0:	08 89 e8 5b 5d c3    	or     %cl,-0x3ca2a418(%rcx)
   6:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   d:	00 00 00 
  10:	90                   	nop
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d b7 06 0d 00 	mov    0xd06b7(%rip),%rcx        # 0xd06f1
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d b7 06 0d 00 	mov    0xd06b7(%rip),%rcx        # 0xd06c7
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  153.955810][  T402] RSP: 002b:00007ffccd7f7198 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  153.957666][  T402] RAX: ffffffffffffffda RBX: 000055cc9f9fddd0 RCX: 00007f0f37df7719
[  153.959411][  T402] RDX: 0000000000000000 RSI: 000055cc9f9f24a0 RDI: 0000000000000004
[  153.961142][  T402] RBP: 000055cc9f9f24a0 R08: 0000000000000000 R09: 000055cc9f9ff250
[  153.962910][  T402] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000040000
[  153.964665][  T402] R13: 0000000000000000 R14: 000055cc9f9fdd80 R15: 0000000000000000
[  153.966393][  T402]  </TASK>
[  153.967209][  T402]
[  153.967856][  T402] Memory state around the buggy address:
[  153.969123][  T402] BUG: unable to handle page fault for address: fffffbfff3ffffe0
[  153.970807][  T402] #PF: supervisor read access in kernel mode
[  153.972036][  T402] #PF: error_code(0x0000) - not-present page
[  153.973220][  T402] PGD 417fdb067 P4D 417fdb067 PUD 417fd7067 PMD 0
[  153.974560][  T402] Oops: Oops: 0000 [#1] PREEMPT KASAN
[  153.975758][  T402] CPU: 0 UID: 0 PID: 402 Comm: modprobe Tainted: G                T  6.12.0-rc6-00146-g0f9b685626da #1 87c8486a909ba2f90eff061a4c9c1fa5c9cd90ea
[  153.978853][  T402] Tainted: [T]=RANDSTRUCT
[  153.979851][  T402] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 153.982008][ T402] RIP: 0010:kasan_metadata_fetch_row (mm/kasan/report_generic.c:186) 
[ 153.983368][ T402] Code: 40 08 48 89 43 58 5b 31 c0 31 d2 31 c9 31 f6 31 ff c3 cc cc cc cc 66 0f 1f 00 b8 ff ff 37 00 48 c1 ee 03 48 c1 e0 2a 48 01 c6 <48> 8b 06 48 89 07 48 8b 46 08 48 89 47 08 31 c0 31 f6 31 ff c3 cc
All code
========
   0:	40 08 48 89          	rex or %cl,-0x77(%rax)
   4:	43 58                	rex.XB pop %r8
   6:	5b                   	pop    %rbx
   7:	31 c0                	xor    %eax,%eax
   9:	31 d2                	xor    %edx,%edx
   b:	31 c9                	xor    %ecx,%ecx
   d:	31 f6                	xor    %esi,%esi
   f:	31 ff                	xor    %edi,%edi
  11:	c3                   	ret
  12:	cc                   	int3
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
  16:	66 0f 1f 00          	nopw   (%rax)
  1a:	b8 ff ff 37 00       	mov    $0x37ffff,%eax
  1f:	48 c1 ee 03          	shr    $0x3,%rsi
  23:	48 c1 e0 2a          	shl    $0x2a,%rax
  27:	48 01 c6             	add    %rax,%rsi
  2a:*	48 8b 06             	mov    (%rsi),%rax		<-- trapping instruction
  2d:	48 89 07             	mov    %rax,(%rdi)
  30:	48 8b 46 08          	mov    0x8(%rsi),%rax
  34:	48 89 47 08          	mov    %rax,0x8(%rdi)
  38:	31 c0                	xor    %eax,%eax
  3a:	31 f6                	xor    %esi,%esi
  3c:	31 ff                	xor    %edi,%edi
  3e:	c3                   	ret
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	48 8b 06             	mov    (%rsi),%rax
   3:	48 89 07             	mov    %rax,(%rdi)
   6:	48 8b 46 08          	mov    0x8(%rsi),%rax
   a:	48 89 47 08          	mov    %rax,0x8(%rdi)
   e:	31 c0                	xor    %eax,%eax
  10:	31 f6                	xor    %esi,%esi
  12:	31 ff                	xor    %edi,%edi
  14:	c3                   	ret
  15:	cc                   	int3
[  153.987254][  T402] RSP: 0018:ffffc9000218f9f8 EFLAGS: 00010082
[  153.988595][  T402] RAX: dffffc0000000000 RBX: ffffffff9fffff00 RCX: 0000000000000000
[  153.990325][  T402] RDX: 0000000000000000 RSI: fffffbfff3ffffe0 RDI: ffffc9000218fa04
[  153.992086][  T402] RBP: 00000000fffffffe R08: 0000000000000000 R09: 0000000000000000
[  153.993786][  T402] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffa0000000
[  153.995554][  T402] R13: ffffffff864b4994 R14: ffffffff9fffff80 R15: 0000000000000028
[  153.997305][  T402] FS:  00007f0f37cf5040(0000) GS:ffffffff86989000(0000) knlGS:0000000000000000
[  153.999133][  T402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  154.000578][  T402] CR2: fffffbfff3ffffe0 CR3: 0000000128853000 CR4: 00000000000006b0
[  154.002367][  T402] Call Trace:
[  154.003318][  T402]  <TASK>
[ 154.004087][ T402] ? __die_body (arch/x86/kernel/dumpstack.c:421) 
[ 154.005074][ T402] ? page_fault_oops (arch/x86/mm/fault.c:710) 
[ 154.006242][ T402] ? show_fault_oops (arch/x86/mm/fault.c:643) 
[ 154.007368][ T402] ? search_module_extables (kernel/module/main.c:3369) 
[ 154.008525][ T402] ? fixup_exception (arch/x86/mm/extable.c:321) 
[ 154.009629][ T402] ? exc_page_fault (arch/x86/mm/fault.c:1479 arch/x86/mm/fault.c:1539) 
[ 154.010771][ T402] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) 
[ 154.011853][ T402] ? kasan_metadata_fetch_row (mm/kasan/report_generic.c:186) 
[ 154.013072][ T402] print_report (mm/kasan/report.c:466 mm/kasan/report.c:489) 
[ 154.014122][ T402] ? move_module (kernel/module/main.c:2357) 
[ 154.015238][ T402] kasan_report (mm/kasan/report.c:603) 
[ 154.016231][ T402] ? move_module (kernel/module/main.c:2357) 
[ 154.017255][ T402] kasan_check_range (mm/kasan/generic.c:183 mm/kasan/generic.c:189) 
[ 154.018379][ T402] __asan_memcpy (mm/kasan/shadow.c:105 (discriminator 1)) 
[ 154.019400][ T402] move_module (kernel/module/main.c:2357) 
[ 154.020435][ T402] layout_and_allocate+0x446/0x523 
[ 154.021792][ T402] load_module (kernel/module/main.c:2985) 
[ 154.022822][ T402] ? mode_strip_umask (fs/namei.c:3248) 
[ 154.023928][ T402] init_module_from_file (kernel/module/main.c:3266) 
[ 154.025069][ T402] ? __ia32_sys_init_module (kernel/module/main.c:3266) 
[ 154.026265][ T402] ? __lock_release+0x106/0x38c 
[ 154.027496][ T402] ? idempotent_init_module (kernel/module/main.c:3301) 
[ 154.028688][ T402] ? lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) 
[ 154.029766][ T402] idempotent_init_module (kernel/module/main.c:3302) 
[ 154.030985][ T402] ? init_module_from_file (kernel/module/main.c:3294) 
[ 154.032192][ T402] ? security_capable (security/security.c:1143) 
[ 154.033310][ T402] __do_sys_finit_module (include/linux/file.h:68 kernel/module/main.c:3330) 
[ 154.034478][ T402] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 154.035532][ T402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  154.036819][  T402] RIP: 0033:0x7f0f37df7719
[ 154.037865][ T402] Code: 08 89 e8 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b7 06 0d 00 f7 d8 64 89 01 48
All code
========
   0:	08 89 e8 5b 5d c3    	or     %cl,-0x3ca2a418(%rcx)
   6:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   d:	00 00 00 
  10:	90                   	nop
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d b7 06 0d 00 	mov    0xd06b7(%rip),%rcx        # 0xd06f1
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d b7 06 0d 00 	mov    0xd06b7(%rip),%rcx        # 0xd06c7
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20241113/202411132111.6a221562-lkp@intel.com



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


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