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* [syzbot] [ntfs3?] kernel panic: stack is corrupted in vprintk_emit
@ 2024-08-16 13:07 syzbot
  2024-08-27  7:27 ` Edward Adam Davis
  0 siblings, 1 reply; 9+ messages in thread
From: syzbot @ 2024-08-16 13:07 UTC (permalink / raw)
  To: almaz.alexandrovich, linux-kernel, ntfs3, syzkaller-bugs

Hello,

syzbot found the following issue on:

HEAD commit:    d7a5aa4b3c00 Merge tag 'perf-tools-fixes-for-v6.11-2024-08..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1451b6d5980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7229118d88b4a71b
dashboard link: https://syzkaller.appspot.com/bug?extid=4d2aaeff9eb5a2cfec70
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1450656b980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1391c35d980000

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-d7a5aa4b.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/af15738cca6c/vmlinux-d7a5aa4b.xz
kernel image: https://storage.googleapis.com/syzbot-assets/62dacb1384ee/bzImage-d7a5aa4b.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/9787f2a8ed93/mount_0.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+4d2aaeff9eb5a2cfec70@syzkaller.appspotmail.com

ntfs3: loop0: Different NTFS sector size (1024) and media sector size (512).
ntfs3: loop0: Failed to load $UpCase (-22).
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: vprintk_emit+0x764/0x770
CPU: 0 UID: 0 PID: 5459 Comm: syz-executor295 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
 panic+0x349/0x860 kernel/panic.c:348
 __stack_chk_fail+0x15/0x20 kernel/panic.c:821
 vprintk_emit+0x764/0x770
 _printk+0xd5/0x120 kernel/printk/printk.c:2373
 ntfs_printk+0x3ad/0x420 fs/ntfs3/super.c:93
 ntfs_fill_super+0x2eb8/0x4730
 get_tree_bdev+0x3f7/0x570 fs/super.c:1635
 vfs_get_tree+0x90/0x2a0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3472
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb031d0492a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 1e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffce447eda8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb031d0492a
RDX: 000000002001f800 RSI: 000000002001f840 RDI: 00007ffce447edf0
RBP: 0000000000000004 R08: 00007ffce447ee30 R09: 000000000001f825
R10: 0000000000000801 R11: 0000000000000286 R12: 00007ffce447edf0
R13: 00007ffce447ee30 R14: 0000000000000003 R15: 0000000000200000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..


---
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.

If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title

If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.

If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)

If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report

If you want to undo deduplication, reply with:
#syz undup

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [syzbot] [ntfs3?] kernel panic: stack is corrupted in vprintk_emit
  2024-08-16 13:07 syzbot
@ 2024-08-27  7:27 ` Edward Adam Davis
  2024-08-27  7:50   ` syzbot
  0 siblings, 1 reply; 9+ messages in thread
From: Edward Adam Davis @ 2024-08-27  7:27 UTC (permalink / raw)
  To: syzbot+4d2aaeff9eb5a2cfec70; +Cc: linux-kernel, syzkaller-bugs

#syz test: upstream master


^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [syzbot] [ntfs3?] kernel panic: stack is corrupted in vprintk_emit
  2024-08-27  7:27 ` Edward Adam Davis
@ 2024-08-27  7:50   ` syzbot
  0 siblings, 0 replies; 9+ messages in thread
From: syzbot @ 2024-08-27  7:50 UTC (permalink / raw)
  To: eadavis, linux-kernel, syzkaller-bugs

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
kernel panic: stack is corrupted in vprintk_emit

ntfs3: loop0: Failed to load $UpCase (-22).
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: vprintk_emit+0x7bd/0x7c0
CPU: 0 UID: 0 PID: 5851 Comm: syz.0.15 Not tainted 6.11.0-rc5-syzkaller-00015-g3e9bff3bbe13 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
 panic+0x349/0x860 kernel/panic.c:354
 __stack_chk_fail+0x15/0x20 kernel/panic.c:827
 vprintk_emit+0x7bd/0x7c0
 _printk+0xd5/0x120 kernel/printk/printk.c:2373
 ntfs_printk+0x3ad/0x420 fs/ntfs3/super.c:93
 ntfs_fill_super+0x2eb8/0x4730
 get_tree_bdev+0x3f7/0x570 fs/super.c:1635
 vfs_get_tree+0x90/0x2b0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3472
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6e3a57b0ba
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6e3b384e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6e3b384ef0 RCX: 00007f6e3a57b0ba
RDX: 000000002001f800 RSI: 000000002001f840 RDI: 00007f6e3b384eb0
RBP: 000000002001f800 R08: 00007f6e3b384ef0 R09: 0000000000000801
R10: 0000000000000801 R11: 0000000000000246 R12: 000000002001f840
R13: 00007f6e3b384eb0 R14: 000000000001f829 R15: 0000000020000000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..


Tested on:

commit:         3e9bff3b Merge tag 'vfs-6.11-rc6.fixes' of gitolite.ke..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1362847b980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=8605cd35ddc8ff3c
dashboard link: https://syzkaller.appspot.com/bug?extid=4d2aaeff9eb5a2cfec70
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [syzbot] [ntfs3?] kernel panic: stack is corrupted in vprintk_emit
       [not found] <41ccdc3a-7259-4fcd-88bb-07590d278d19@paragon-software.com>
@ 2024-09-02 12:29 ` syzbot
  0 siblings, 0 replies; 9+ messages in thread
From: syzbot @ 2024-09-02 12:29 UTC (permalink / raw)
  To: almaz.alexandrovich, linux-kernel, syzkaller-bugs

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

failed to apply patch:
checking file fs/ntfs3/super.c
patch: **** unexpected end of file in patch



Tested on:

commit:         7529036a fs/ntfs3: Rename ntfs3_setattr into ntfs_seta..
git tree:       https://github.com/Paragon-Software-Group/linux-ntfs3.git master
kernel config:  https://syzkaller.appspot.com/x/.config?x=7229118d88b4a71b
dashboard link: https://syzkaller.appspot.com/bug?extid=4d2aaeff9eb5a2cfec70
compiler:       
patch:          https://syzkaller.appspot.com/x/patch.diff?x=15523cc7980000


^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [syzbot] [ntfs3?] kernel panic: stack is corrupted in vprintk_emit
       [not found] <20240902124358.6201-1-almaz.alexandrovich@paragon-software.com>
@ 2024-09-02 13:04 ` syzbot
  0 siblings, 0 replies; 9+ messages in thread
From: syzbot @ 2024-09-02 13:04 UTC (permalink / raw)
  To: almaz.alexandrovich, linux-kernel, syzkaller-bugs

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
kernel panic: stack is corrupted in vprintk_emit

loop0: detected capacity change from 0 to 4096
ntfs3: loop0: Different NTFS sector size (1024) and media sector size (512).
ntfs3: loop0: Failed to load $UpCase (-22).
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: vprintk_emit+0x764/0x770
CPU: 0 UID: 0 PID: 6409 Comm: syz.0.233 Not tainted 6.11.0-rc1-syzkaller-00016-g7529036a025a-dirty #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
 panic+0x349/0x860 kernel/panic.c:348
 __stack_chk_fail+0x15/0x20 kernel/panic.c:821
 vprintk_emit+0x764/0x770
 _printk+0xd5/0x120 kernel/printk/printk.c:2373
 ntfs_printk+0x3ad/0x420 fs/ntfs3/super.c:93
 ntfs_fill_super+0x2eb8/0x4730
 get_tree_bdev+0x3f7/0x570 fs/super.c:1635
 vfs_get_tree+0x90/0x2a0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3472
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcc9577b0ba
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcc96519e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcc96519ef0 RCX: 00007fcc9577b0ba
RDX: 000000002001f800 RSI: 000000002001f840 RDI: 00007fcc96519eb0
RBP: 000000002001f800 R08: 00007fcc96519ef0 R09: 0000000000000801
R10: 0000000000000801 R11: 0000000000000246 R12: 000000002001f840
R13: 00007fcc96519eb0 R14: 000000000001f829 R15: 0000000020000000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..


Tested on:

commit:         7529036a fs/ntfs3: Rename ntfs3_setattr into ntfs_seta..
git tree:       https://github.com/Paragon-Software-Group/linux-ntfs3.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=11819b0b980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=8b0cca2f3880513d
dashboard link: https://syzkaller.appspot.com/bug?extid=4d2aaeff9eb5a2cfec70
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=17a2ce0b980000


^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [syzbot] [ntfs3?] kernel panic: stack is corrupted in vprintk_emit
       [not found] <20240902124544.6293-1-almaz.alexandrovich@paragon-software.com>
@ 2024-09-02 13:20 ` syzbot
  0 siblings, 0 replies; 9+ messages in thread
From: syzbot @ 2024-09-02 13:20 UTC (permalink / raw)
  To: almaz.alexandrovich, linux-kernel, syzkaller-bugs

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
kernel panic: stack is corrupted in vprintk_emit

loop0: detected capacity change from 0 to 4096
ntfs3: loop0: Different NTFS sector size (1024) and media sector size (512).
ntfs3: loop0: Failed to load $UpCase (-22).
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: vprintk_emit+0x7bd/0x7c0
CPU: 0 UID: 0 PID: 6111 Comm: syz.0.139 Not tainted 6.11.0-rc6-syzkaller-g67784a74e258-dirty #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
 panic+0x349/0x860 kernel/panic.c:354
 __stack_chk_fail+0x15/0x20 kernel/panic.c:827
 vprintk_emit+0x7bd/0x7c0
 _printk+0xd5/0x120 kernel/printk/printk.c:2373
 ntfs_printk+0x3ad/0x420 fs/ntfs3/super.c:93
 ntfs_fill_super+0x2eb8/0x4730
 get_tree_bdev+0x3f7/0x570 fs/super.c:1635
 vfs_get_tree+0x90/0x2b0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3472
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f77a717b0ba
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f77a7f23e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f77a7f23ef0 RCX: 00007f77a717b0ba
RDX: 000000002001f800 RSI: 000000002001f840 RDI: 00007f77a7f23eb0
RBP: 000000002001f800 R08: 00007f77a7f23ef0 R09: 0000000000000801
R10: 0000000000000801 R11: 0000000000000246 R12: 000000002001f840
R13: 00007f77a7f23eb0 R14: 000000000001f829 R15: 0000000020000000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..


Tested on:

commit:         67784a74 Merge tag 'ata-6.11-rc7' of git://git.kernel...
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1323d0c7980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d34743b6e48523a6
dashboard link: https://syzkaller.appspot.com/bug?extid=4d2aaeff9eb5a2cfec70
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=125833db980000


^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [syzbot] [ntfs3?] kernel panic: stack is corrupted in vprintk_emit
       [not found] <12d6f5c8-a480-435a-8490-09e31d403e78@paragon-software.com>
@ 2024-09-04 14:19 ` syzbot
  0 siblings, 0 replies; 9+ messages in thread
From: syzbot @ 2024-09-04 14:19 UTC (permalink / raw)
  To: almaz.alexandrovich, linux-kernel, syzkaller-bugs

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

failed to apply patch:
checking file fs/ntfs3/super.c
Hunk #1 FAILED at 1472.
1 out of 1 hunk FAILED



Tested on:

commit:         689ecd06 fs/ntfs3: Rename ntfs3_setattr into ntfs_seta..
git tree:       https://github.com/Paragon-Software-Group/linux-ntfs3.git master
kernel config:  https://syzkaller.appspot.com/x/.config?x=7229118d88b4a71b
dashboard link: https://syzkaller.appspot.com/bug?extid=4d2aaeff9eb5a2cfec70
compiler:       
patch:          https://syzkaller.appspot.com/x/patch.diff?x=12041339980000


^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [syzbot] [ntfs3?] kernel panic: stack is corrupted in vprintk_emit
       [not found] <20240904142214.13333-1-almaz.alexandrovich@paragon-software.com>
@ 2024-09-04 14:37 ` syzbot
  0 siblings, 0 replies; 9+ messages in thread
From: syzbot @ 2024-09-04 14:37 UTC (permalink / raw)
  To: almaz.alexandrovich, linux-kernel, syzkaller-bugs

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
kernel panic: stack is corrupted in vprintk_emit

ntfs3: loop0: Different NTFS sector size (1024) and media sector size (512).
ntfs3: loop0: Failed to load UpCase (-22).
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: vprintk_emit+0x764/0x770
CPU: 0 UID: 0 PID: 5705 Comm: syz.0.15 Not tainted 6.11.0-rc1-syzkaller-00017-g689ecd06ef8d-dirty #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
 panic+0x349/0x860 kernel/panic.c:348
 __stack_chk_fail+0x15/0x20 kernel/panic.c:821
 vprintk_emit+0x764/0x770
 _printk+0xd5/0x120 kernel/printk/printk.c:2373
 ntfs_printk+0x3ad/0x420 fs/ntfs3/super.c:93
 ntfs_fill_super+0x2eb8/0x4730
 get_tree_bdev+0x3f7/0x570 fs/super.c:1635
 vfs_get_tree+0x90/0x2a0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3472
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc24b57b0ba
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc24c381e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc24c381ef0 RCX: 00007fc24b57b0ba
RDX: 000000002001f800 RSI: 000000002001f840 RDI: 00007fc24c381eb0
RBP: 000000002001f800 R08: 00007fc24c381ef0 R09: 0000000000000801
R10: 0000000000000801 R11: 0000000000000246 R12: 000000002001f840
R13: 00007fc24c381eb0 R14: 000000000001f829 R15: 0000000020000000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..


Tested on:

commit:         689ecd06 fs/ntfs3: Rename ntfs3_setattr into ntfs_seta..
git tree:       https://github.com/Paragon-Software-Group/linux-ntfs3.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=12273163980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=8b0cca2f3880513d
dashboard link: https://syzkaller.appspot.com/bug?extid=4d2aaeff9eb5a2cfec70
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=15d41fdb980000


^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [syzbot] [ntfs3?] kernel panic: stack is corrupted in vprintk_emit
       [not found] <20240910070746.7269-1-almaz.alexandrovich@paragon-software.com>
@ 2024-09-10  7:25 ` syzbot
  0 siblings, 0 replies; 9+ messages in thread
From: syzbot @ 2024-09-10  7:25 UTC (permalink / raw)
  To: almaz.alexandrovich, linux-kernel, syzkaller-bugs

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
kernel panic: stack is corrupted in vprintk_emit

loop0: detected capacity change from 0 to 4096
ntfs3: loop0: Different NTFS sector size (1024) and media sector size (512).
ntfs3: loop0: Failed to load $UpCase (-22).
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: vprintk_emit+0x764/0x770
CPU: 0 UID: 0 PID: 6009 Comm: syz.0.65 Not tainted 6.11.0-rc1-syzkaller-00017-g689ecd06ef8d-dirty #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
 panic+0x349/0x860 kernel/panic.c:348
 __stack_chk_fail+0x15/0x20 kernel/panic.c:821
 vprintk_emit+0x764/0x770
 _printk+0xd5/0x120 kernel/printk/printk.c:2373
 ntfs_printk+0x3ad/0x420 fs/ntfs3/super.c:93
 ntfs_fill_super+0x2eb8/0x4730
 get_tree_bdev+0x3f7/0x570 fs/super.c:1635
 vfs_get_tree+0x90/0x2a0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3472
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1fc857b0ba
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1fc934be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f1fc934bef0 RCX: 00007f1fc857b0ba
RDX: 000000002001f800 RSI: 000000002001f840 RDI: 00007f1fc934beb0
RBP: 000000002001f800 R08: 00007f1fc934bef0 R09: 0000000000000801
R10: 0000000000000801 R11: 0000000000000246 R12: 000000002001f840
R13: 00007f1fc934beb0 R14: 000000000001f829 R15: 0000000020000000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..


Tested on:

commit:         689ecd06 fs/ntfs3: Rename ntfs3_setattr into ntfs_seta..
git tree:       https://github.com/Paragon-Software-Group/linux-ntfs3.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=15632a8b980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=8b0cca2f3880513d
dashboard link: https://syzkaller.appspot.com/bug?extid=4d2aaeff9eb5a2cfec70
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1025a807980000


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2024-09-02 12:29 ` [syzbot] [ntfs3?] kernel panic: stack is corrupted in vprintk_emit syzbot
     [not found] <20240910070746.7269-1-almaz.alexandrovich@paragon-software.com>
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