[syzbot] [io-uring?] kernel BUG in put_page
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syzbot
Apr 2, 2024, 4:47:34 AMApr 2
to asml.s...@gmail.com, ax...@kernel.dk, io-u...@vger.kernel.org, linux-...@vger.kernel.org, syzkall...@googlegroups.com
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: syzbot+324f30...@syzkaller.appspotmail.com
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 syzk...@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
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: syzbot+324f30...@syzkaller.appspotmail.com
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 syzk...@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
Pavel Begunkov
Apr 2, 2024, 2:51:49 PMApr 2
to syzbot, ax...@kernel.dk, io-u...@vger.kernel.org, linux-...@vger.kernel.org, syzkall...@googlegroups.com
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
> Hello,
>
> syzbot found the following issue on:
in case I'm not the only one who missed it.
Pavel Begunkov
Jens Axboe
Apr 2, 2024, 2:55:26 PMApr 2
to Pavel Begunkov, syzbot, io-u...@vger.kernel.org, linux-...@vger.kernel.org, syzkall...@googlegroups.com
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
> 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.
from the mapping changes.
--
Jens Axboe
Jens Axboe
Apr 2, 2024, 3:36:54 PMApr 2
to Pavel Begunkov, syzbot, io-u...@vger.kernel.org, linux-...@vger.kernel.org, syzkall...@googlegroups.com
syzbot
Apr 3, 2024, 3:06:07 PMApr 3
to asml.s...@gmail.com, ax...@kernel.dk, io-u...@vger.kernel.org, linux-...@vger.kernel.org, syzkall...@googlegroups.com
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
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.
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
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