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* [syzbot] [io-uring?] kernel BUG in put_page
@ 2024-04-02  8:47 syzbot
  2024-04-02 18:51 ` Pavel Begunkov
  0 siblings, 1 reply; 5+ messages in thread
From: syzbot @ 2024-04-02  8:47 UTC (permalink / raw)
  To: asml.silence, axboe, io-uring, linux-kernel, syzkaller-bugs

Hello,

syzbot found the following issue on:

HEAD commit:    c0b832517f62 Add linux-next specific files for 20240402
git tree:       linux-next
console+strace: https://syzkaller.appspot.com/x/log.txt?x=1737bfb1180000
kernel config:  https://syzkaller.appspot.com/x/.config?x=afcaf46d374cec8c
dashboard link: https://syzkaller.appspot.com/bug?extid=324f30025b9b5d66fab9
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=17ce85b1180000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=139fe0c5180000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/0d36ec76edc7/disk-c0b83251.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/6f9bb4e37dd0/vmlinux-c0b83251.xz
kernel image: https://storage.googleapis.com/syzbot-assets/2349287b14b7/bzImage-c0b83251.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: [email protected]

 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1110 [inline]
 free_unref_page+0xd3c/0xec0 mm/page_alloc.c:2617
 __folio_put_small mm/swap.c:119 [inline]
 __folio_put+0x22b/0x390 mm/swap.c:142
 io_mem_alloc_single io_uring/memmap.c:55 [inline]
 io_pages_map+0x25a/0x480 io_uring/memmap.c:76
 io_allocate_scq_urings+0x3b8/0x640 io_uring/io_uring.c:3432
 io_uring_create+0x741/0x12f0 io_uring/io_uring.c:3590
 io_uring_setup io_uring/io_uring.c:3702 [inline]
 __do_sys_io_uring_setup io_uring/io_uring.c:3729 [inline]
 __se_sys_io_uring_setup+0x2ba/0x330 io_uring/io_uring.c:3723
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x72/0x7a
------------[ cut here ]------------
kernel BUG at include/linux/mm.h:1135!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 PID: 5084 Comm: syz-executor990 Not tainted 6.9.0-rc2-next-20240402-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:put_page_testzero include/linux/mm.h:1135 [inline]
RIP: 0010:folio_put_testzero include/linux/mm.h:1141 [inline]
RIP: 0010:folio_put include/linux/mm.h:1508 [inline]
RIP: 0010:put_page+0x1b6/0x260 include/linux/mm.h:1581
Code: 00 00 e8 6d 25 61 fd 84 c0 74 6e e8 c4 a6 ed fc e9 3f ff ff ff e8 ba a6 ed fc 4c 89 f7 48 c7 c6 a0 12 1f 8c e8 bb ea 36 fd 90 <0f> 0b e8 a3 a6 ed fc e9 a1 fe ff ff 4c 89 f7 be 08 00 00 00 e8 11
RSP: 0018:ffffc9000353fc30 EFLAGS: 00010246
RAX: bf727e5c3e70b300 RBX: ffffea0000446034 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcad5c0 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff8fa934ef R09: 1ffffffff1f5269d
R10: dffffc0000000000 R11: fffffbfff1f5269e R12: 1ffff1100c8c9518
R13: ffff888064636000 R14: ffffea0000446000 R15: ffff88806464a8c6
FS:  00005555716a0380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe2349d29f0 CR3: 0000000022106000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 io_pages_unmap+0x1c0/0x320 io_uring/memmap.c:108
 io_rings_free+0xcf/0x2b0 io_uring/io_uring.c:2619
 io_allocate_scq_urings+0x41f/0x640 io_uring/io_uring.c:3437
 io_uring_create+0x741/0x12f0 io_uring/io_uring.c:3590
 io_uring_setup io_uring/io_uring.c:3702 [inline]
 __do_sys_io_uring_setup io_uring/io_uring.c:3729 [inline]
 __se_sys_io_uring_setup+0x2ba/0x330 io_uring/io_uring.c:3723
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x72/0x7a
RIP: 0033:0x7fe234a0f9d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 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 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc53bc7168 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fe234a0f9d9
RDX: 00007fe234a0f9d9 RSI: 0000000020000000 RDI: 0000000000006839
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe234a59036
R13: 00007ffc53bc71a0 R14: 00007ffc53bc71e0 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:put_page_testzero include/linux/mm.h:1135 [inline]
RIP: 0010:folio_put_testzero include/linux/mm.h:1141 [inline]
RIP: 0010:folio_put include/linux/mm.h:1508 [inline]
RIP: 0010:put_page+0x1b6/0x260 include/linux/mm.h:1581
Code: 00 00 e8 6d 25 61 fd 84 c0 74 6e e8 c4 a6 ed fc e9 3f ff ff ff e8 ba a6 ed fc 4c 89 f7 48 c7 c6 a0 12 1f 8c e8 bb ea 36 fd 90 <0f> 0b e8 a3 a6 ed fc e9 a1 fe ff ff 4c 89 f7 be 08 00 00 00 e8 11
RSP: 0018:ffffc9000353fc30 EFLAGS: 00010246
RAX: bf727e5c3e70b300 RBX: ffffea0000446034 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcad5c0 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff8fa934ef R09: 1ffffffff1f5269d
R10: dffffc0000000000 R11: fffffbfff1f5269e R12: 1ffff1100c8c9518
R13: ffff888064636000 R14: ffffea0000446000 R15: ffff88806464a8c6
FS:  00005555716a0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556f47e67058 CR3: 0000000022106000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400


---
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 [email protected].

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] 5+ messages in thread

* Re: [syzbot] [io-uring?] kernel BUG in put_page
  2024-04-02  8:47 [syzbot] [io-uring?] kernel BUG in put_page syzbot
@ 2024-04-02 18:51 ` Pavel Begunkov
  2024-04-02 18:55   ` Jens Axboe
  2024-04-02 19:36   ` Jens Axboe
  0 siblings, 2 replies; 5+ messages in thread
From: Pavel Begunkov @ 2024-04-02 18:51 UTC (permalink / raw)
  To: syzbot, axboe, io-uring, linux-kernel, syzkaller-bugs

On 4/2/24 09:47, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:

gmail decided to put it into spam, replying for visibility
in case I'm not the only one who missed it.



> HEAD commit:    c0b832517f62 Add linux-next specific files for 20240402
> git tree:       linux-next
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=1737bfb1180000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=afcaf46d374cec8c
> dashboard link: https://syzkaller.appspot.com/bug?extid=324f30025b9b5d66fab9
> 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=17ce85b1180000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=139fe0c5180000
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/0d36ec76edc7/disk-c0b83251.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/6f9bb4e37dd0/vmlinux-c0b83251.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/2349287b14b7/bzImage-c0b83251.xz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: [email protected]
> 
>   reset_page_owner include/linux/page_owner.h:25 [inline]
>   free_pages_prepare mm/page_alloc.c:1110 [inline]
>   free_unref_page+0xd3c/0xec0 mm/page_alloc.c:2617
>   __folio_put_small mm/swap.c:119 [inline]
>   __folio_put+0x22b/0x390 mm/swap.c:142
>   io_mem_alloc_single io_uring/memmap.c:55 [inline]
>   io_pages_map+0x25a/0x480 io_uring/memmap.c:76
>   io_allocate_scq_urings+0x3b8/0x640 io_uring/io_uring.c:3432
>   io_uring_create+0x741/0x12f0 io_uring/io_uring.c:3590
>   io_uring_setup io_uring/io_uring.c:3702 [inline]
>   __do_sys_io_uring_setup io_uring/io_uring.c:3729 [inline]
>   __se_sys_io_uring_setup+0x2ba/0x330 io_uring/io_uring.c:3723
>   do_syscall_64+0xfb/0x240
>   entry_SYSCALL_64_after_hwframe+0x72/0x7a
> ------------[ cut here ]------------
> kernel BUG at include/linux/mm.h:1135!
> Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
> CPU: 0 PID: 5084 Comm: syz-executor990 Not tainted 6.9.0-rc2-next-20240402-syzkaller #0
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
> RIP: 0010:put_page_testzero include/linux/mm.h:1135 [inline]
> RIP: 0010:folio_put_testzero include/linux/mm.h:1141 [inline]
> RIP: 0010:folio_put include/linux/mm.h:1508 [inline]
> RIP: 0010:put_page+0x1b6/0x260 include/linux/mm.h:1581
> Code: 00 00 e8 6d 25 61 fd 84 c0 74 6e e8 c4 a6 ed fc e9 3f ff ff ff e8 ba a6 ed fc 4c 89 f7 48 c7 c6 a0 12 1f 8c e8 bb ea 36 fd 90 <0f> 0b e8 a3 a6 ed fc e9 a1 fe ff ff 4c 89 f7 be 08 00 00 00 e8 11
> RSP: 0018:ffffc9000353fc30 EFLAGS: 00010246
> RAX: bf727e5c3e70b300 RBX: ffffea0000446034 RCX: 0000000000000001
> RDX: dffffc0000000000 RSI: ffffffff8bcad5c0 RDI: 0000000000000001
> RBP: 0000000000000000 R08: ffffffff8fa934ef R09: 1ffffffff1f5269d
> R10: dffffc0000000000 R11: fffffbfff1f5269e R12: 1ffff1100c8c9518
> R13: ffff888064636000 R14: ffffea0000446000 R15: ffff88806464a8c6
> FS:  00005555716a0380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 00007fe2349d29f0 CR3: 0000000022106000 CR4: 00000000003506f0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> Call Trace:
>   <TASK>
>   io_pages_unmap+0x1c0/0x320 io_uring/memmap.c:108
>   io_rings_free+0xcf/0x2b0 io_uring/io_uring.c:2619
>   io_allocate_scq_urings+0x41f/0x640 io_uring/io_uring.c:3437
>   io_uring_create+0x741/0x12f0 io_uring/io_uring.c:3590
>   io_uring_setup io_uring/io_uring.c:3702 [inline]
>   __do_sys_io_uring_setup io_uring/io_uring.c:3729 [inline]
>   __se_sys_io_uring_setup+0x2ba/0x330 io_uring/io_uring.c:3723
>   do_syscall_64+0xfb/0x240
>   entry_SYSCALL_64_after_hwframe+0x72/0x7a
> RIP: 0033:0x7fe234a0f9d9
> Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 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 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007ffc53bc7168 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9
> RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fe234a0f9d9
> RDX: 00007fe234a0f9d9 RSI: 0000000020000000 RDI: 0000000000006839
> RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
> R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe234a59036
> R13: 00007ffc53bc71a0 R14: 00007ffc53bc71e0 R15: 0000000000000000
>   </TASK>
> Modules linked in:
> ---[ end trace 0000000000000000 ]---
> RIP: 0010:put_page_testzero include/linux/mm.h:1135 [inline]
> RIP: 0010:folio_put_testzero include/linux/mm.h:1141 [inline]
> RIP: 0010:folio_put include/linux/mm.h:1508 [inline]
> RIP: 0010:put_page+0x1b6/0x260 include/linux/mm.h:1581
> Code: 00 00 e8 6d 25 61 fd 84 c0 74 6e e8 c4 a6 ed fc e9 3f ff ff ff e8 ba a6 ed fc 4c 89 f7 48 c7 c6 a0 12 1f 8c e8 bb ea 36 fd 90 <0f> 0b e8 a3 a6 ed fc e9 a1 fe ff ff 4c 89 f7 be 08 00 00 00 e8 11
> RSP: 0018:ffffc9000353fc30 EFLAGS: 00010246
> RAX: bf727e5c3e70b300 RBX: ffffea0000446034 RCX: 0000000000000001
> RDX: dffffc0000000000 RSI: ffffffff8bcad5c0 RDI: 0000000000000001
> RBP: 0000000000000000 R08: ffffffff8fa934ef R09: 1ffffffff1f5269d
> R10: dffffc0000000000 R11: fffffbfff1f5269e R12: 1ffff1100c8c9518
> R13: ffff888064636000 R14: ffffea0000446000 R15: ffff88806464a8c6
> FS:  00005555716a0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 0000556f47e67058 CR3: 0000000022106000 CR4: 00000000003506f0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> 
> 
> ---
> 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 [email protected].
> 
> 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

-- 
Pavel Begunkov

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [syzbot] [io-uring?] kernel BUG in put_page
  2024-04-02 18:51 ` Pavel Begunkov
@ 2024-04-02 18:55   ` Jens Axboe
  2024-04-02 19:36   ` Jens Axboe
  1 sibling, 0 replies; 5+ messages in thread
From: Jens Axboe @ 2024-04-02 18:55 UTC (permalink / raw)
  To: Pavel Begunkov, syzbot, io-uring, linux-kernel, syzkaller-bugs

On 4/2/24 12:51 PM, Pavel Begunkov wrote:
> On 4/2/24 09:47, syzbot wrote:
>> Hello,
>>
>> syzbot found the following issue on:
> 
> gmail decided to put it into spam, replying for visibility
> in case I'm not the only one who missed it.

First I see of them... I'll take a look at both, must be fallout
from the mapping changes.

-- 
Jens Axboe



^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [syzbot] [io-uring?] kernel BUG in put_page
  2024-04-02 18:51 ` Pavel Begunkov
  2024-04-02 18:55   ` Jens Axboe
@ 2024-04-02 19:36   ` Jens Axboe
  2024-04-03 19:06     ` syzbot
  1 sibling, 1 reply; 5+ messages in thread
From: Jens Axboe @ 2024-04-02 19:36 UTC (permalink / raw)
  To: Pavel Begunkov, syzbot, io-uring, linux-kernel, syzkaller-bugs

#syz test: git://git.kernel.dk/linux.git for-6.10/io_uring

-- 
Jens Axboe


^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [syzbot] [io-uring?] kernel BUG in put_page
  2024-04-02 19:36   ` Jens Axboe
@ 2024-04-03 19:06     ` syzbot
  0 siblings, 0 replies; 5+ messages in thread
From: syzbot @ 2024-04-03 19:06 UTC (permalink / raw)
  To: asml.silence, axboe, io-uring, linux-kernel, syzkaller-bugs

Hello,

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

rd
[    8.809543][    T1] usbcore: registered new interface driver dln2
[    8.811777][    T1] usbcore: registered new interface driver pn533_usb
[    8.818634][    T1] nfcsim 0.2 initialized
[    8.819601][    T1] usbcore: registered new interface driver port100
[    8.821888][    T1] usbcore: registered new interface driver nfcmrvl
[    8.828017][    T1] Loading iSCSI transport class v2.0-870.
[    8.847616][    T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues
[    8.857238][    T1] ------------[ cut here ]------------
[    8.858042][    T1] refcount_t: decrement hit 0; leaking memory.
[    8.859263][    T1] WARNING: CPU: 1 PID: 1 at lib/refcount.c:31 refcount_warn_saturate+0xfa/0x1d0
[    8.863740][    T1] Modules linked in:
[    8.864831][    T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc2-syzkaller-00062-g25d658afbb9f #0
[    8.867287][    T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[    8.868833][    T1] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0
[    8.869927][    T1] Code: b2 00 00 00 e8 67 f3 e9 fc 5b 5d c3 cc cc cc cc e8 5b f3 e9 fc c6 05 73 24 e8 0a 01 90 48 c7 c7 40 34 1f 8c e8 67 8e ac fc 90 <0f> 0b 90 90 eb d9 e8 3b f3 e9 fc c6 05 50 24 e8 0a 01 90 48 c7 c7
[    8.874169][    T1] RSP: 0000:ffffc90000066e18 EFLAGS: 00010246
[    8.875227][    T1] RAX: 2c4d17207a88ac00 RBX: ffff8881446fa13c RCX: ffff8880166d0000
[    8.876287][    T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[    8.877447][    T1] RBP: 0000000000000004 R08: ffffffff8157ffc2 R09: fffffbfff1c39af8
[    8.878641][    T1] R10: dffffc0000000000 R11: fffffbfff1c39af8 R12: ffffea000504edc0
[    8.879942][    T1] R13: ffffea000504edc8 R14: 1ffffd4000a09db9 R15: 0000000000000000
[    8.881594][    T1] FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[    8.883506][    T1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.884669][    T1] CR2: 0000000000000000 CR3: 000000000e134000 CR4: 00000000003506f0
[    8.885932][    T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    8.887158][    T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    8.888416][    T1] Call Trace:
[    8.888893][    T1]  <TASK>
[    8.889405][    T1]  ? __warn+0x163/0x4e0
[    8.890173][    T1]  ? refcount_warn_saturate+0xfa/0x1d0
[    8.891099][    T1]  ? report_bug+0x2b3/0x500
[    8.891833][    T1]  ? refcount_warn_saturate+0xfa/0x1d0
[    8.892704][    T1]  ? handle_bug+0x3e/0x70
[    8.893508][    T1]  ? exc_invalid_op+0x1a/0x50
[    8.894358][    T1]  ? asm_exc_invalid_op+0x1a/0x20
[    8.895351][    T1]  ? __warn_printk+0x292/0x360
[    8.896090][    T1]  ? refcount_warn_saturate+0xfa/0x1d0
[    8.896832][    T1]  ? refcount_warn_saturate+0xf9/0x1d0
[    8.897742][    T1]  __free_pages_ok+0xc60/0xd90
[    8.898411][    T1]  make_alloc_exact+0xa3/0xf0
[    8.899052][    T1]  vring_alloc_queue_split+0x20a/0x600
[    8.900061][    T1]  ? __pfx_vring_alloc_queue_split+0x10/0x10
[    8.901034][    T1]  ? vp_find_vqs+0x4c/0x4e0
[    8.901695][    T1]  ? virtscsi_probe+0x3ea/0xf60
[    8.902445][    T1]  ? virtio_dev_probe+0x991/0xaf0
[    8.903285][    T1]  ? really_probe+0x2b8/0xad0
[    8.904128][    T1]  ? driver_probe_device+0x50/0x430
[    8.904872][    T1]  vring_create_virtqueue_split+0xc6/0x310
[    8.905969][    T1]  ? ret_from_fork+0x4b/0x80
[    8.906739][    T1]  ? __pfx_vring_create_virtqueue_split+0x10/0x10
[    8.907802][    T1]  vring_create_virtqueue+0xca/0x110
[    8.908537][    T1]  ? __pfx_vp_notify+0x10/0x10
[    8.909350][    T1]  ? __pfx_virtscsi_ctrl_done+0x10/0x10
[    8.910582][    T1]  setup_vq+0xe9/0x2d0
[    8.911201][    T1]  ? __pfx_vp_notify+0x10/0x10
[    8.911948][    T1]  ? __pfx_virtscsi_ctrl_done+0x10/0x10
[    8.913087][    T1]  ? __pfx_virtscsi_ctrl_done+0x10/0x10
[    8.914107][    T1]  ? __pfx_virtscsi_ctrl_done+0x10/0x10
[    8.915020][    T1]  vp_setup_vq+0xbf/0x330
[    8.915969][    T1]  ? __pfx_vp_config_changed+0x10/0x10
[    8.917767][    T1]  ? ioread16+0x2f/0x90
[    8.918376][    T1]  ? __pfx_virtscsi_ctrl_done+0x10/0x10
[    8.919158][    T1]  vp_find_vqs_msix+0x8b2/0xc80
[    8.920114][    T1]  vp_find_vqs+0x4c/0x4e0
[    8.920765][    T1]  virtscsi_init+0x8db/0xd00
[    8.921424][    T1]  ? __pfx_virtscsi_init+0x10/0x10
[    8.922125][    T1]  ? __pfx_default_calc_sets+0x10/0x10
[    8.923108][    T1]  ? scsi_host_alloc+0xa57/0xea0
[    8.923930][    T1]  ? vp_get+0xfd/0x140
[    8.924553][    T1]  virtscsi_probe+0x3ea/0xf60
[    8.925375][    T1]  ? __pfx_virtscsi_probe+0x10/0x10
[    8.926277][    T1]  ? kernfs_add_one+0x156/0x8b0
[    8.926980][    T1]  ? virtio_no_restricted_mem_acc+0x9/0x10
[    8.927786][    T1]  ? virtio_features_ok+0x10c/0x270
[    8.928528][    T1]  virtio_dev_probe+0x991/0xaf0
[    8.929356][    T1]  ? __pfx_virtio_dev_probe+0x10/0x10
[    8.930386][    T1]  really_probe+0x2b8/0xad0
[    8.931050][    T1]  __driver_probe_device+0x1a2/0x390
[    8.931934][    T1]  driver_probe_device+0x50/0x430
[    8.932722][    T1]  __driver_attach+0x45f/0x710
[    8.933792][    T1]  ? __pfx___driver_attach+0x10/0x10
[    8.934513][    T1]  bus_for_each_dev+0x239/0x2b0
[    8.935198][    T1]  ? __pfx___driver_attach+0x10/0x10
[    8.935920][    T1]  ? __pfx_bus_for_each_dev+0x10/0x10
[    8.936707][    T1]  ? do_raw_spin_unlock+0x13c/0x8b0
[    8.937589][    T1]  bus_add_driver+0x347/0x620
[    8.938335][    T1]  driver_register+0x23a/0x320
[    8.939169][    T1]  ? __pfx_virtio_scsi_init+0x10/0x10
[    8.940184][    T1]  virtio_scsi_init+0x65/0xe0
[    8.940980][    T1]  ? __pfx_virtio_scsi_init+0x10/0x10
[    8.941836][    T1]  do_one_initcall+0x248/0x880
[    8.942709][    T1]  ? __pfx_virtio_scsi_init+0x10/0x10
[    8.943764][    T1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[    8.944826][    T1]  ? __pfx_do_one_initcall+0x10/0x10
[    8.945830][    T1]  ? __pfx_parse_args+0x10/0x10
[    8.946758][    T1]  ? do_initcalls+0x1c/0x80
[    8.947503][    T1]  ? rcu_is_watching+0x15/0xb0
[    8.948308][    T1]  do_initcall_level+0x157/0x210
[    8.949064][    T1]  do_initcalls+0x3f/0x80
[    8.949957][    T1]  kernel_init_freeable+0x435/0x5d0
[    8.950799][    T1]  ? __pfx_kernel_init_freeable+0x10/0x10
[    8.951875][    T1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[    8.952863][    T1]  ? __pfx_kernel_init+0x10/0x10
[    8.953577][    T1]  ? __pfx_kernel_init+0x10/0x10
[    8.954289][    T1]  ? __pfx_kernel_init+0x10/0x10
[    8.954998][    T1]  kernel_init+0x1d/0x2b0
[    8.955683][    T1]  ret_from_fork+0x4b/0x80
[    8.956316][    T1]  ? __pfx_kernel_init+0x10/0x10
[    8.957112][    T1]  ret_from_fork_asm+0x1a/0x30
[    8.957936][    T1]  </TASK>
[    8.958420][    T1] Kernel panic - not syncing: kernel: panic_on_warn set ...
[    8.959664][    T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc2-syzkaller-00062-g25d658afbb9f #0
[    8.959938][    T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[    8.959938][    T1] Call Trace:
[    8.959938][    T1]  <TASK>
[    8.959938][    T1]  dump_stack_lvl+0x241/0x360
[    8.959938][    T1]  ? __pfx_dump_stack_lvl+0x10/0x10
[    8.959938][    T1]  ? __pfx__printk+0x10/0x10
[    8.959938][    T1]  ? _printk+0xd5/0x120
[    8.959938][    T1]  ? vscnprintf+0x5d/0x90
[    8.959938][    T1]  panic+0x349/0x860
[    8.959938][    T1]  ? __warn+0x172/0x4e0
[    8.959938][    T1]  ? __pfx_panic+0x10/0x10
[    8.959938][    T1]  ? show_trace_log_lvl+0x4e6/0x520
[    8.970055][    T1]  ? ret_from_fork_asm+0x1a/0x30
[    8.970055][    T1]  __warn+0x346/0x4e0
[    8.970055][    T1]  ? refcount_warn_saturate+0xfa/0x1d0
[    8.970055][    T1]  report_bug+0x2b3/0x500
[    8.970055][    T1]  ? refcount_warn_saturate+0xfa/0x1d0
[    8.970055][    T1]  handle_bug+0x3e/0x70
[    8.970055][    T1]  exc_invalid_op+0x1a/0x50
[    8.970055][    T1]  asm_exc_invalid_op+0x1a/0x20
[    8.970055][    T1] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0
[    8.970055][    T1] Code: b2 00 00 00 e8 67 f3 e9 fc 5b 5d c3 cc cc cc cc e8 5b f3 e9 fc c6 05 73 24 e8 0a 01 90 48 c7 c7 40 34 1f 8c e8 67 8e ac fc 90 <0f> 0b 90 90 eb d9 e8 3b f3 e9 fc c6 05 50 24 e8 0a 01 90 48 c7 c7
[    8.979931][    T1] RSP: 0000:ffffc90000066e18 EFLAGS: 00010246
[    8.979931][    T1] RAX: 2c4d17207a88ac00 RBX: ffff8881446fa13c RCX: ffff8880166d0000
[    8.979931][    T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[    8.979931][    T1] RBP: 0000000000000004 R08: ffffffff8157ffc2 R09: fffffbfff1c39af8
[    8.979931][    T1] R10: dffffc0000000000 R11: fffffbfff1c39af8 R12: ffffea000504edc0
[    8.979931][    T1] R13: ffffea000504edc8 R14: 1ffffd4000a09db9 R15: 0000000000000000
[    8.979931][    T1]  ? __warn_printk+0x292/0x360
[    8.990056][    T1]  ? refcount_warn_saturate+0xf9/0x1d0
[    8.990056][    T1]  __free_pages_ok+0xc60/0xd90
[    8.990056][    T1]  make_alloc_exact+0xa3/0xf0
[    8.990056][    T1]  vring_alloc_queue_split+0x20a/0x600
[    8.990056][    T1]  ? __pfx_vring_alloc_queue_split+0x10/0x10
[    8.990056][    T1]  ? vp_find_vqs+0x4c/0x4e0
[    8.990056][    T1]  ? virtscsi_probe+0x3ea/0xf60
[    8.990056][    T1]  ? virtio_dev_probe+0x991/0xaf0
[    8.990056][    T1]  ? really_probe+0x2b8/0xad0
[    8.990056][    T1]  ? driver_probe_device+0x50/0x430
[    8.990056][    T1]  vring_create_virtqueue_split+0xc6/0x310
[    8.990056][    T1]  ? ret_from_fork+0x4b/0x80
[    8.999988][    T1]  ? __pfx_vring_create_virtqueue_split+0x10/0x10
[    8.999988][    T1]  vring_create_virtqueue+0xca/0x110
[    8.999988][    T1]  ? __pfx_vp_notify+0x10/0x10
[    8.999988][    T1]  ? __pfx_virtscsi_ctrl_done+0x10/0x10
[    8.999988][    T1]  setup_vq+0xe9/0x2d0
[    8.999988][    T1]  ? __pfx_vp_notify+0x10/0x10
[    8.999988][    T1]  ? __pfx_virtscsi_ctrl_done+0x10/0x10
[    8.999988][    T1]  ? __pfx_virtscsi_ctrl_done+0x10/0x10
[    8.999988][    T1]  ? __pfx_virtscsi_ctrl_done+0x10/0x10
[    8.999988][    T1]  vp_setup_vq+0xbf/0x330
[    8.999988][    T1]  ? __pfx_vp_config_changed+0x10/0x10
[    8.999988][    T1]  ? ioread16+0x2f/0x90
[    8.999988][    T1]  ? __pfx_virtscsi_ctrl_done+0x10/0x10
[    9.010034][    T1]  vp_find_vqs_msix+0x8b2/0xc80
[    9.010034][    T1]  vp_find_vqs+0x4c/0x4e0
[    9.010034][    T1]  virtscsi_init+0x8db/0xd00
[    9.010034][    T1]  ? __pfx_virtscsi_init+0x10/0x10
[    9.010034][    T1]  ? __pfx_default_calc_sets+0x10/0x10
[    9.010034][    T1]  ? scsi_host_alloc+0xa57/0xea0
[    9.010034][    T1]  ? vp_get+0xfd/0x140
[    9.010034][    T1]  virtscsi_probe+0x3ea/0xf60
[    9.010034][    T1]  ? __pfx_virtscsi_probe+0x10/0x10
[    9.010034][    T1]  ? kernfs_add_one+0x156/0x8b0
[    9.010034][    T1]  ? virtio_no_restricted_mem_acc+0x9/0x10
[    9.010034][    T1]  ? virtio_features_ok+0x10c/0x270
[    9.019933][    T1]  virtio_dev_probe+0x991/0xaf0
[    9.019933][    T1]  ? __pfx_virtio_dev_probe+0x10/0x10
[    9.019933][    T1]  really_probe+0x2b8/0xad0
[    9.019933][    T1]  __driver_probe_device+0x1a2/0x390
[    9.019933][    T1]  driver_probe_device+0x50/0x430
[    9.019933][    T1]  __driver_attach+0x45f/0x710
[    9.019933][    T1]  ? __pfx___driver_attach+0x10/0x10
[    9.019933][    T1]  bus_for_each_dev+0x239/0x2b0
[    9.019933][    T1]  ? __pfx___driver_attach+0x10/0x10
[    9.019933][    T1]  ? __pfx_bus_for_each_dev+0x10/0x10
[    9.019933][    T1]  ? do_raw_spin_unlock+0x13c/0x8b0
[    9.019933][    T1]  bus_add_driver+0x347/0x620
[    9.030102][    T1]  driver_register+0x23a/0x320
[    9.030102][    T1]  ? __pfx_virtio_scsi_init+0x10/0x10
[    9.030102][    T1]  virtio_scsi_init+0x65/0xe0
[    9.030102][    T1]  ? __pfx_virtio_scsi_init+0x10/0x10
[    9.030102][    T1]  do_one_initcall+0x248/0x880
[    9.030102][    T1]  ? __pfx_virtio_scsi_init+0x10/0x10
[    9.030102][    T1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[    9.030102][    T1]  ? __pfx_do_one_initcall+0x10/0x10
[    9.030102][    T1]  ? __pfx_parse_args+0x10/0x10
[    9.039922][    T1]  ? do_initcalls+0x1c/0x80
[    9.039922][    T1]  ? rcu_is_watching+0x15/0xb0
[    9.039922][    T1]  do_initcall_level+0x157/0x210
[    9.039922][    T1]  do_initcalls+0x3f/0x80
[    9.039922][    T1]  kernel_init_freeable+0x435/0x5d0
[    9.039922][    T1]  ? __pfx_kernel_init_freeable+0x10/0x10
[    9.039922][    T1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[    9.039922][    T1]  ? __pfx_kernel_init+0x10/0x10
[    9.039922][    T1]  ? __pfx_kernel_init+0x10/0x10
[    9.039922][    T1]  ? __pfx_kernel_init+0x10/0x10
[    9.039922][    T1]  kernel_init+0x1d/0x2b0
[    9.050013][    T1]  ret_from_fork+0x4b/0x80
[    9.050013][    T1]  ? __pfx_kernel_init+0x10/0x10
[    9.050013][    T1]  ret_from_fork_asm+0x1a/0x30
[    9.050013][    T1]  </TASK>
[    9.050013][    T1] Kernel Offset: disabled
[    9.050013][    T1] Rebooting in 86400 seconds..


syzkaller build log:
go env (err=<nil>)
GO111MODULE='auto'
GOARCH='amd64'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFLAGS=''
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs-2/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.21.4'
GCCGO='gccgo'
GOAMD64='v1'
AR='ar'
CC='gcc'
CXX='g++'
CGO_ENABLED='1'
GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOWORK=''
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
PKG_CONFIG='pkg-config'
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build2770999391=/tmp/go-build -gno-record-gcc-switches'

git status (err=<nil>)
HEAD detached at 6baf50694
nothing to commit, working tree clean


tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=6baf506947ba27ed9ce775cf9351cb0886166083 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240329-215124'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=6baf506947ba27ed9ce775cf9351cb0886166083 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240329-215124'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=6baf506947ba27ed9ce775cf9351cb0886166083 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240329-215124'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress
mkdir -p ./bin/linux_amd64
gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \
	-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
	-DHOSTGOOS_linux=1 -DGIT_REVISION=\"6baf506947ba27ed9ce775cf9351cb0886166083\"


Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=148f06ad180000


Tested on:

commit:         25d658af io_uring/kbuf: remove dead define
git tree:       git://git.kernel.dk/linux.git for-6.10/io_uring
kernel config:  https://syzkaller.appspot.com/x/.config?x=51cdcd4a8f332569
dashboard link: https://syzkaller.appspot.com/bug?extid=324f30025b9b5d66fab9
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] 5+ messages in thread

end of thread, other threads:[~2024-04-03 19:06 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-04-02  8:47 [syzbot] [io-uring?] kernel BUG in put_page syzbot
2024-04-02 18:51 ` Pavel Begunkov
2024-04-02 18:55   ` Jens Axboe
2024-04-02 19:36   ` Jens Axboe
2024-04-03 19:06     ` syzbot

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