Re: KASAN: null-ptr-deref Write in vhci_shutdown_connection
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syzbot
Mar 4, 2021, 10:14:07 AM3/4/21
to penguin...@i-love.sakura.ne.jp, syzkall...@googlegroups.com
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-and-tested-by: syzbot+a93fba...@syzkaller.appspotmail.com
Tested on:
commit: f69d02e3 Merge tag 'misc-5.12-2021-03-02' of git://git.ker..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=a4e0dd4a35c9a0ce
dashboard link: https://syzkaller.appspot.com/bug?extid=a93fba6d384346a761e3
compiler:
patch: https://syzkaller.appspot.com/x/patch.diff?x=12e3ba0ad00000
Note: testing is done by a robot and is best-effort only.
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-and-tested-by: syzbot+a93fba...@syzkaller.appspotmail.com
Tested on:
commit: f69d02e3 Merge tag 'misc-5.12-2021-03-02' of git://git.ker..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=a4e0dd4a35c9a0ce
dashboard link: https://syzkaller.appspot.com/bug?extid=a93fba6d384346a761e3
compiler:
patch: https://syzkaller.appspot.com/x/patch.diff?x=12e3ba0ad00000
Note: testing is done by a robot and is best-effort only.
syzbot
Mar 10, 2021, 12:17:40 PM3/10/21
to Shuah Khan, sk...@linuxfoundation.org, syzkall...@googlegroups.com
> On 12/20/20 11:44 AM, syzbot wrote:
>> Hello,
>>
>> syzbot found the following issue on:
>>
>> HEAD commit: 5e60366d Merge tag 'fallthrough-fixes-clang-5.11-rc1' of g..
>> git tree: upstream
>> console output: https://syzkaller.appspot.com/x/log.txt?x=13f05613500000
>> kernel config: https://syzkaller.appspot.com/x/.config?x=503d0089cd701d6d
>> dashboard link: https://syzkaller.appspot.com/bug?extid=a93fba6d384346a761e3
>> compiler: gcc (GCC) 10.1.0-syz 20200507
>> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14d0d8c5500000
>> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1058e41f500000
>>
>> IMPORTANT: if you fix the issue, please add the following tag to the commit:
>> Reported-by: syzbot+a93fba...@syzkaller.appspotmail.com
>>
>
> #syz test: git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git
"git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git" does not look like a valid git repo address.
> usbip_test
>
> thanks,
> -- Shuah
>> Hello,
>>
>> syzbot found the following issue on:
>>
>> HEAD commit: 5e60366d Merge tag 'fallthrough-fixes-clang-5.11-rc1' of g..
>> git tree: upstream
>> console output: https://syzkaller.appspot.com/x/log.txt?x=13f05613500000
>> kernel config: https://syzkaller.appspot.com/x/.config?x=503d0089cd701d6d
>> dashboard link: https://syzkaller.appspot.com/bug?extid=a93fba6d384346a761e3
>> compiler: gcc (GCC) 10.1.0-syz 20200507
>> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14d0d8c5500000
>> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1058e41f500000
>>
>> IMPORTANT: if you fix the issue, please add the following tag to the commit:
>> Reported-by: syzbot+a93fba...@syzkaller.appspotmail.com
>>
>
> #syz test: git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git
"git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git" does not look like a valid git repo address.
> usbip_test
>
> thanks,
> -- Shuah
Shuah Khan
Mar 10, 2021, 12:21:27 PM3/10/21
to syzbot, syzkall...@googlegroups.com, Shuah Khan
syzbot
Mar 10, 2021, 3:31:08 PM3/10/21
to sk...@linuxfoundation.org, syzkall...@googlegroups.com
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
failed to create VM pool: failed to create GCE image: create image operation failed: &{Code:PERMISSIONS_ERROR Location: Message:Required 'read' permission for 'disks/ci-upstream-kasan-gce-selinux-root-test-job-test-job-image.tar.gz' ForceSendFields:[] NullFields:[]}.
Tested on:
commit: cd66a6ca usbip: fix vudc usbip_sockfd_store races leading ..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git usbip_test
kernel config: https://syzkaller.appspot.com/x/.config?x=b954d54a11c4fceb
syzbot tried to test the proposed patch but the build/boot failed:
failed to create VM pool: failed to create GCE image: create image operation failed: &{Code:PERMISSIONS_ERROR Location: Message:Required 'read' permission for 'disks/ci-upstream-kasan-gce-selinux-root-test-job-test-job-image.tar.gz' ForceSendFields:[] NullFields:[]}.
Tested on:
commit: cd66a6ca usbip: fix vudc usbip_sockfd_store races leading ..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git usbip_test
kernel config: https://syzkaller.appspot.com/x/.config?x=b954d54a11c4fceb
Dmitry Vyukov
Mar 10, 2021, 3:47:46 PM3/10/21
to syzbot, Shuah Khan, syzkaller-bugs
On Wed, Mar 10, 2021 at 9:31 PM syzbot
<syzbot+a93fba...@syzkaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot tried to test the proposed patch but the build/boot failed:
>
> failed to create VM pool: failed to create GCE image: create image operation failed: &{Code:PERMISSIONS_ERROR Location: Message:Required 'read' permission for 'disks/ci-upstream-kasan-gce-selinux-root-test-job-test-job-image.tar.gz' ForceSendFields:[] NullFields:[]}.
Weird, this is the first time I see this error. Looks like some GCE
<syzbot+a93fba...@syzkaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot tried to test the proposed patch but the build/boot failed:
>
> failed to create VM pool: failed to create GCE image: create image operation failed: &{Code:PERMISSIONS_ERROR Location: Message:Required 'read' permission for 'disks/ci-upstream-kasan-gce-selinux-root-test-job-test-job-image.tar.gz' ForceSendFields:[] NullFields:[]}.
issue. Let's try again:
> Tested on:
>
> commit: cd66a6ca usbip: fix vudc usbip_sockfd_store races leading ..
> git tree: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git usbip_test
> kernel config: https://syzkaller.appspot.com/x/.config?x=b954d54a11c4fceb
> dashboard link: https://syzkaller.appspot.com/bug?extid=a93fba6d384346a761e3
> compiler:
>
> --
>
> commit: cd66a6ca usbip: fix vudc usbip_sockfd_store races leading ..
> git tree: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git usbip_test
> kernel config: https://syzkaller.appspot.com/x/.config?x=b954d54a11c4fceb
> dashboard link: https://syzkaller.appspot.com/bug?extid=a93fba6d384346a761e3
> compiler:
>
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syzbot
Mar 10, 2021, 4:10:11 PM3/10/21
to dvy...@google.com, sk...@linuxfoundation.org, syzkall...@googlegroups.com
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
general protection fault in try_to_wake_up
vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(1) speed_str(low-speed)
general protection fault, probably for non-canonical address 0xdffffc0000000119: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000008c8-0x00000000000008cf]
CPU: 1 PID: 10177 Comm: syz-executor.3 Not tainted 5.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0xcfe/0x54c0 kernel/locking/lockdep.c:4770
Code: 6c 0d 41 bf 01 00 00 00 0f 86 8c 00 00 00 89 05 a8 ad 6c 0d e9 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 31 00 00 49 81 3e 80 c3 9a 8e 0f 84 d0 f3 ff
RSP: 0018:ffffc9000b087820 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000119 RSI: 1ffff92001610f15 RDI: 00000000000008c8
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888026eb80c0
R13: 0000000000000000 R14: 00000000000008c8 R15: 0000000000000000
FS: 00007ff514547700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffe67c1de0 CR3: 00000000124ad000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5510 [inline]
lock_acquire+0x1ab/0x730 kernel/locking/lockdep.c:5475
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159
try_to_wake_up+0x98/0x14a0 kernel/sched/core.c:3347
attach_store.cold+0x2b4/0x355 drivers/usb/usbip/vhci_sysfs.c:422
dev_attr_store+0x50/0x80 drivers/base/core.c:1989
sysfs_kf_write+0x110/0x160 fs/sysfs/file.c:139
kernfs_fop_write_iter+0x342/0x500 fs/kernfs/file.c:296
call_write_iter include/linux/fs.h:1977 [inline]
new_sync_write+0x426/0x650 fs/read_write.c:518
vfs_write+0x796/0xa30 fs/read_write.c:605
ksys_write+0x12d/0x250 fs/read_write.c:658
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x418f7f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48
RSP: 002b:00007ff514546b90 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000000418f7f
RDX: 0000000000000008 RSI: 00007ff514546be0 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000000 R09: 00007ff514546b30
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000004af938
R13: 00007ff514546be0 R14: 0000000000000000 R15: 0000000000022000
Modules linked in:
---[ end trace a41fab8da48bab20 ]---
RIP: 0010:__lock_acquire+0xcfe/0x54c0 kernel/locking/lockdep.c:4770
Code: 6c 0d 41 bf 01 00 00 00 0f 86 8c 00 00 00 89 05 a8 ad 6c 0d e9 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 31 00 00 49 81 3e 80 c3 9a 8e 0f 84 d0 f3 ff
RSP: 0018:ffffc9000b087820 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000119 RSI: 1ffff92001610f15 RDI: 00000000000008c8
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888026eb80c0
R13: 0000000000000000 R14: 00000000000008c8 R15: 0000000000000000
FS: 00007ff514547700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffe67c1de0 CR3: 00000000124ad000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Tested on:
commit: cd66a6ca usbip: fix vudc usbip_sockfd_store races leading ..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git usbip_test
console output: https://syzkaller.appspot.com/x/log.txt?x=10db622ad00000
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
general protection fault in try_to_wake_up
vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(1) speed_str(low-speed)
general protection fault, probably for non-canonical address 0xdffffc0000000119: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000008c8-0x00000000000008cf]
CPU: 1 PID: 10177 Comm: syz-executor.3 Not tainted 5.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0xcfe/0x54c0 kernel/locking/lockdep.c:4770
Code: 6c 0d 41 bf 01 00 00 00 0f 86 8c 00 00 00 89 05 a8 ad 6c 0d e9 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 31 00 00 49 81 3e 80 c3 9a 8e 0f 84 d0 f3 ff
RSP: 0018:ffffc9000b087820 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000119 RSI: 1ffff92001610f15 RDI: 00000000000008c8
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888026eb80c0
R13: 0000000000000000 R14: 00000000000008c8 R15: 0000000000000000
FS: 00007ff514547700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffe67c1de0 CR3: 00000000124ad000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5510 [inline]
lock_acquire+0x1ab/0x730 kernel/locking/lockdep.c:5475
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159
try_to_wake_up+0x98/0x14a0 kernel/sched/core.c:3347
attach_store.cold+0x2b4/0x355 drivers/usb/usbip/vhci_sysfs.c:422
dev_attr_store+0x50/0x80 drivers/base/core.c:1989
sysfs_kf_write+0x110/0x160 fs/sysfs/file.c:139
kernfs_fop_write_iter+0x342/0x500 fs/kernfs/file.c:296
call_write_iter include/linux/fs.h:1977 [inline]
new_sync_write+0x426/0x650 fs/read_write.c:518
vfs_write+0x796/0xa30 fs/read_write.c:605
ksys_write+0x12d/0x250 fs/read_write.c:658
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x418f7f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48
RSP: 002b:00007ff514546b90 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000000418f7f
RDX: 0000000000000008 RSI: 00007ff514546be0 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000000 R09: 00007ff514546b30
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000004af938
R13: 00007ff514546be0 R14: 0000000000000000 R15: 0000000000022000
Modules linked in:
---[ end trace a41fab8da48bab20 ]---
RIP: 0010:__lock_acquire+0xcfe/0x54c0 kernel/locking/lockdep.c:4770
Code: 6c 0d 41 bf 01 00 00 00 0f 86 8c 00 00 00 89 05 a8 ad 6c 0d e9 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 31 00 00 49 81 3e 80 c3 9a 8e 0f 84 d0 f3 ff
RSP: 0018:ffffc9000b087820 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000119 RSI: 1ffff92001610f15 RDI: 00000000000008c8
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888026eb80c0
R13: 0000000000000000 R14: 00000000000008c8 R15: 0000000000000000
FS: 00007ff514547700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffe67c1de0 CR3: 00000000124ad000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Tested on:
commit: cd66a6ca usbip: fix vudc usbip_sockfd_store races leading ..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git usbip_test
Shuah Khan
Mar 11, 2021, 4:58:18 PM3/11/21
to syzbot, syzkall...@googlegroups.com, Shuah Khan
On 3/10/21 2:10 PM, syzbot wrote:
> Hello,
>
> syzbot has tested the proposed patch but the reproducer is still triggering an issue:
> general protection fault in try_to_wake_up
>
> vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(3)
> vhci_hcd vhci_hcd.0: devid(0) speed(1) speed_str(low-speed)
> general protection fault, probably for non-canonical address 0xdffffc0000000119: 0000 [#1] PREEMPT SMP KASAN
> KASAN: null-ptr-deref in range [0x00000000000008c8-0x00000000000008cf]
>
thanks,
> Hello,
>
> syzbot has tested the proposed patch but the reproducer is still triggering an issue:
> general protection fault in try_to_wake_up
>
> vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(3)
> vhci_hcd vhci_hcd.0: devid(0) speed(1) speed_str(low-speed)
> general protection fault, probably for non-canonical address 0xdffffc0000000119: 0000 [#1] PREEMPT SMP KASAN
> KASAN: null-ptr-deref in range [0x00000000000008c8-0x00000000000008cf]
>
-- Shuah
syzbot
Mar 11, 2021, 8:12:05 PM3/11/21
to sk...@linuxfoundation.org, syzkall...@googlegroups.com
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-and-tested-by: syzbot+a93fba...@syzkaller.appspotmail.com
Tested on:
commit: 09e4522c usbip: fix vhci races in connection tear down
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-and-tested-by: syzbot+a93fba...@syzkaller.appspotmail.com
Tested on:
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git usbip_test
kernel config: https://syzkaller.appspot.com/x/.config?x=b954d54a11c4fceb
dashboard link: https://syzkaller.appspot.com/bug?extid=a93fba6d384346a761e3
compiler:
dashboard link: https://syzkaller.appspot.com/bug?extid=a93fba6d384346a761e3
compiler:
syzbot
Mar 11, 2021, 8:31:07 PM3/11/21
to sk...@linuxfoundation.org, syzkall...@googlegroups.com
syzbot
Mar 11, 2021, 8:51:05 PM3/11/21
to sk...@linuxfoundation.org, syzkall...@googlegroups.com
Hello,
Shuah Khan
Mar 12, 2021, 7:33:05 PM3/12/21
to syzbot, syzkall...@googlegroups.com, Shuah Khan
Shuah Khan
Mar 12, 2021, 8:48:38 PM3/12/21
to syzbot, syzkall...@googlegroups.com, Shuah Khan
syzbot
Mar 12, 2021, 8:51:12 PM3/12/21
to sk...@linuxfoundation.org, syzkall...@googlegroups.com
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
general protection fault in try_to_wake_up
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 0000000000418f7f
RDX: 0000000000000007 RSI: 00007f7873af8be0 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000000 R09: 00007f7873af8b30
Modules linked in:
---[ end trace 9bd62b51a21d44ab ]---
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
general protection fault in try_to_wake_up
general protection fault, probably for non-canonical address 0xdffffc0000000119: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000008c8-0x00000000000008cf]
CPU: 1 PID: 18043 Comm: syz-executor.0 Not tainted 5.12.0-rc2-syzkaller #0
KASAN: null-ptr-deref in range [0x00000000000008c8-0x00000000000008cf]
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0xcfe/0x54c0 kernel/locking/lockdep.c:4770
Code: 6c 0d 41 bf 01 00 00 00 0f 86 8c 00 00 00 89 05 a8 ad 6c 0d e9 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 31 00 00 49 81 3e 80 c3 9a 8e 0f 84 d0 f3 ff
RSP: 0018:ffffc90009957820 EFLAGS: 00010002
RIP: 0010:__lock_acquire+0xcfe/0x54c0 kernel/locking/lockdep.c:4770
Code: 6c 0d 41 bf 01 00 00 00 0f 86 8c 00 00 00 89 05 a8 ad 6c 0d e9 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 31 00 00 49 81 3e 80 c3 9a 8e 0f 84 d0 f3 ff
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000119 RSI: 1ffff9200132af15 RDI: 00000000000008c8
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880285ea100
R13: 0000000000000000 R14: 00000000000008c8 R15: 0000000000000000
FS: 00007f7873af9700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000568000 CR3: 0000000022972000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5510 [inline]
lock_acquire+0x1ab/0x730 kernel/locking/lockdep.c:5475
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159
try_to_wake_up+0x98/0x14a0 kernel/sched/core.c:3347
attach_store.cold+0x2b4/0x355 drivers/usb/usbip/vhci_sysfs.c:422
dev_attr_store+0x50/0x80 drivers/base/core.c:1989
sysfs_kf_write+0x110/0x160 fs/sysfs/file.c:139
kernfs_fop_write_iter+0x342/0x500 fs/kernfs/file.c:296
call_write_iter include/linux/fs.h:1977 [inline]
new_sync_write+0x426/0x650 fs/read_write.c:518
vfs_write+0x796/0xa30 fs/read_write.c:605
ksys_write+0x12d/0x250 fs/read_write.c:658
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x418f7f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48
RSP: 002b:00007f7873af8b90 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5510 [inline]
lock_acquire+0x1ab/0x730 kernel/locking/lockdep.c:5475
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159
try_to_wake_up+0x98/0x14a0 kernel/sched/core.c:3347
attach_store.cold+0x2b4/0x355 drivers/usb/usbip/vhci_sysfs.c:422
dev_attr_store+0x50/0x80 drivers/base/core.c:1989
sysfs_kf_write+0x110/0x160 fs/sysfs/file.c:139
kernfs_fop_write_iter+0x342/0x500 fs/kernfs/file.c:296
call_write_iter include/linux/fs.h:1977 [inline]
new_sync_write+0x426/0x650 fs/read_write.c:518
vfs_write+0x796/0xa30 fs/read_write.c:605
ksys_write+0x12d/0x250 fs/read_write.c:658
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x418f7f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 0000000000418f7f
RDX: 0000000000000007 RSI: 00007f7873af8be0 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000000 R09: 00007f7873af8b30
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000004af938
R13: 00007f7873af8be0 R14: 0000000000000000 R15: 0000000000022000
Modules linked in:
---[ end trace 9bd62b51a21d44ab ]---
RIP: 0010:__lock_acquire+0xcfe/0x54c0 kernel/locking/lockdep.c:4770
Code: 6c 0d 41 bf 01 00 00 00 0f 86 8c 00 00 00 89 05 a8 ad 6c 0d e9 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 31 00 00 49 81 3e 80 c3 9a 8e 0f 84 d0 f3 ff
RSP: 0018:ffffc90009957820 EFLAGS: 00010002
Code: 6c 0d 41 bf 01 00 00 00 0f 86 8c 00 00 00 89 05 a8 ad 6c 0d e9 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 31 00 00 49 81 3e 80 c3 9a 8e 0f 84 d0 f3 ff
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000119 RSI: 1ffff9200132af15 RDI: 00000000000008c8
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880285ea100
R13: 0000000000000000 R14: 00000000000008c8 R15: 0000000000000000
FS: 00007f7873af9700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000568000 CR3: 0000000022972000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Tested on:
commit: 2d19b665 usbip: fix vhci races in connection tear down
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Tested on:
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git usbip_test
console output: https://syzkaller.appspot.com/x/log.txt?x=125aec06d00000
syzbot
Mar 12, 2021, 9:24:09 PM3/12/21
to sk...@linuxfoundation.org, syzkall...@googlegroups.com
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-and-tested-by: syzbot+a93fba...@syzkaller.appspotmail.com
Tested on:
commit: be1dde29 usbip: fix vhci races in connection tear down
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-and-tested-by: syzbot+a93fba...@syzkaller.appspotmail.com
Tested on:
Shuah Khan
Mar 15, 2021, 8:02:38 PM3/15/21
to syzbot, syzkall...@googlegroups.com, Shuah Khan
syzbot
Mar 15, 2021, 8:22:08 PM3/15/21
to sk...@linuxfoundation.org, syzkall...@googlegroups.com
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
general protection fault in try_to_wake_up
vhci_hcd vhci_hcd.0: pdev(0) rhport(1) sockfd(3)
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
general protection fault in try_to_wake_up
vhci_hcd vhci_hcd.0: devid(0) speed(1) speed_str(low-speed)
general protection fault, probably for non-canonical address 0xdffffc0000000119: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000008c8-0x00000000000008cf]
CPU: 0 PID: 10143 Comm: syz-executor.0 Not tainted 5.12.0-rc2-syzkaller #0
general protection fault, probably for non-canonical address 0xdffffc0000000119: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000008c8-0x00000000000008cf]
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0xcfe/0x54c0 kernel/locking/lockdep.c:4770
Code: 6c 0d 41 bf 01 00 00 00 0f 86 8c 00 00 00 89 05 a8 ad 6c 0d e9 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 31 00 00 49 81 3e 80 c3 9a 8e 0f 84 d0 f3 ff
RSP: 0018:ffffc9000ac97820 EFLAGS: 00010002
RIP: 0010:__lock_acquire+0xcfe/0x54c0 kernel/locking/lockdep.c:4770
Code: 6c 0d 41 bf 01 00 00 00 0f 86 8c 00 00 00 89 05 a8 ad 6c 0d e9 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 31 00 00 49 81 3e 80 c3 9a 8e 0f 84 d0 f3 ff
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000119 RSI: 1ffff92001592f15 RDI: 00000000000008c8
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88802c064240
R13: 0000000000000000 R14: 00000000000008c8 R15: 0000000000000000
FS: 00007f53d052b700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d2dc8f90e8 CR3: 0000000017551000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5510 [inline]
lock_acquire+0x1ab/0x730 kernel/locking/lockdep.c:5475
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159
try_to_wake_up+0x98/0x14a0 kernel/sched/core.c:3347
attach_store.cold+0x2b4/0x355 drivers/usb/usbip/vhci_sysfs.c:422
dev_attr_store+0x50/0x80 drivers/base/core.c:1989
sysfs_kf_write+0x110/0x160 fs/sysfs/file.c:139
kernfs_fop_write_iter+0x342/0x500 fs/kernfs/file.c:296
call_write_iter include/linux/fs.h:1977 [inline]
new_sync_write+0x426/0x650 fs/read_write.c:518
vfs_write+0x796/0xa30 fs/read_write.c:605
ksys_write+0x12d/0x250 fs/read_write.c:658
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x418f7f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48
RSP: 002b:00007f53d052ab90 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5510 [inline]
lock_acquire+0x1ab/0x730 kernel/locking/lockdep.c:5475
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159
try_to_wake_up+0x98/0x14a0 kernel/sched/core.c:3347
attach_store.cold+0x2b4/0x355 drivers/usb/usbip/vhci_sysfs.c:422
dev_attr_store+0x50/0x80 drivers/base/core.c:1989
sysfs_kf_write+0x110/0x160 fs/sysfs/file.c:139
kernfs_fop_write_iter+0x342/0x500 fs/kernfs/file.c:296
call_write_iter include/linux/fs.h:1977 [inline]
new_sync_write+0x426/0x650 fs/read_write.c:518
vfs_write+0x796/0xa30 fs/read_write.c:605
ksys_write+0x12d/0x250 fs/read_write.c:658
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x418f7f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 0000000000418f7f
RDX: 0000000000000007 RSI: 00007f53d052abe0 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000000 R09: 00007f53d052ab30
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000004af938
R13: 00007f53d052abe0 R14: 0000000000000000 R15: 0000000000022000
Modules linked in:
---[ end trace 54b1fecbe5b8407a ]---
RIP: 0010:__lock_acquire+0xcfe/0x54c0 kernel/locking/lockdep.c:4770
Code: 6c 0d 41 bf 01 00 00 00 0f 86 8c 00 00 00 89 05 a8 ad 6c 0d e9 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 31 00 00 49 81 3e 80 c3 9a 8e 0f 84 d0 f3 ff
RSP: 0018:ffffc9000ac97820 EFLAGS: 00010002
Code: 6c 0d 41 bf 01 00 00 00 0f 86 8c 00 00 00 89 05 a8 ad 6c 0d e9 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 31 00 00 49 81 3e 80 c3 9a 8e 0f 84 d0 f3 ff
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000119 RSI: 1ffff92001592f15 RDI: 00000000000008c8
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88802c064240
R13: 0000000000000000 R14: 00000000000008c8 R15: 0000000000000000
FS: 00007f53d052b700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d2dc8f90e8 CR3: 0000000017551000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Tested on:
commit: 443cfb98 usbip: fix vhci races in connection tear down
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Tested on:
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git usbip_test
console output: https://syzkaller.appspot.com/x/log.txt?x=105965c6d00000
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