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Syzkaller is coverage-guided system call fuzzer for Linux kernel

https://github.com/google/syzkaller

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Longxing Li, Nhat Pham2

11:57 AM

[Kernel Bug] INFO: task hung in zswap_decompress

On Tue, Jun 9, 2026 at 4:51 AM Longxing Li <coreg...@gmail.com> wrote: > > Dear Linux

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[Kernel Bug] INFO: task hung in zswap_decompress

On Tue, Jun 9, 2026 at 4:51 AM Longxing Li <coreg...@gmail.com> wrote: > > Dear Linux

11:57 AM

github-merge-queue[bot]749

11:46 AM

[google/syzkaller]

Branch: refs/heads/gh-readonly-queue/master/pr-7451-c36c07f6c1f2230a36374cbd22235f635e8f9284 Home:

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[google/syzkaller]

Branch: refs/heads/gh-readonly-queue/master/pr-7451-c36c07f6c1f2230a36374cbd22235f635e8f9284 Home:

11:46 AM

11:46 AM

[google/syzkaller] 34dab4: vm: fix blocking select on nil outc channel in ins...

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

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[google/syzkaller] 34dab4: vm: fix blocking select on nil outc channel in ins...

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

11:46 AM

Longxing Li, Matthew Wilcox2

10:08 AM

[Kernel Bug] INFO: rcu detected stall in sys_access

On Tue, Jun 09, 2026 at 07:44:50PM +0800, Longxing Li wrote: > Dear Linux kernel developers and

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[Kernel Bug] INFO: rcu detected stall in sys_access

On Tue, Jun 09, 2026 at 07:44:50PM +0800, Longxing Li wrote: > Dear Linux kernel developers and

10:08 AM

Longxing Li, Harry Yoo2

9:11 AM

[Kernel Bug] BUG: soft lockup in kfree_rcu_monitor

On 6/9/26 8:46 PM, Longxing Li wrote: > Dear Linux kernel developers and maintainers, Hi Longxing,

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[Kernel Bug] BUG: soft lockup in kfree_rcu_monitor

On 6/9/26 8:46 PM, Longxing Li wrote: > Dear Linux kernel developers and maintainers, Hi Longxing,

9:11 AM

Longxing Li, Michal Koutný2

8:58 AM

[Kernel Bug] INFO: task hung in cgroup_drain_dying

Hello Longxing. On Tue, Jun 09, 2026 at 07:42:06PM +0800, Longxing Li <coreg...@gmail.com>

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[Kernel Bug] INFO: task hung in cgroup_drain_dying

Hello Longxing. On Tue, Jun 09, 2026 at 07:42:06PM +0800, Longxing Li <coreg...@gmail.com>

8:58 AM

Longxing Li, Jens Axboe2

8:41 AM

[Kernel Bug] INFO: rcu detected stall in disk_check_events

On 6/9/26 5:52 AM, Longxing Li wrote: > Dear Linux kernel developers and maintainers, > > We

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[Kernel Bug] INFO: rcu detected stall in disk_check_events

On 6/9/26 5:52 AM, Longxing Li wrote: > Dear Linux kernel developers and maintainers, > > We

8:41 AM

Longxing Li, Niklas Cassel2

8:16 AM

[Kernel Bug] possible deadlock in ata_bmdma_interrupt

On Tue, Jun 09, 2026 at 07:39:30PM +0800, Longxing Li wrote: > Dear Linux kernel developers and

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[Kernel Bug] possible deadlock in ata_bmdma_interrupt

On Tue, Jun 09, 2026 at 07:39:30PM +0800, Longxing Li wrote: > Dear Linux kernel developers and

8:16 AM

Longxing Li, Greg KH2

8:11 AM

[Kernel Bug] INFO: task hung in show_cons_active

On Tue, Jun 09, 2026 at 07:49:13PM +0800, Longxing Li wrote: > Dear Linux kernel developers and

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[Kernel Bug] INFO: task hung in show_cons_active

On Tue, Jun 09, 2026 at 07:49:13PM +0800, Longxing Li wrote: > Dear Linux kernel developers and

8:11 AM

7:59 AM

[Kernel Bug] possible deadlock in vhci_send_frame

Dear Linux kernel developers and maintainers, We would like to report a new kernel bug found by our

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[Kernel Bug] possible deadlock in vhci_send_frame

Dear Linux kernel developers and maintainers, We would like to report a new kernel bug found by our

7:59 AM

7:58 AM

[Kernel Bug] INFO: rcu detected stall in count_memcg_event_mm

Dear Linux kernel developers and maintainers, We would like to report a new kernel bug found by our

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[Kernel Bug] INFO: rcu detected stall in count_memcg_event_mm

Dear Linux kernel developers and maintainers, We would like to report a new kernel bug found by our

7:58 AM

7:55 AM

[Kernel Bug] INFO: task hung in xt_find_table

Dear Linux kernel developers and maintainers, We would like to report a new kernel bug found by our

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[Kernel Bug] INFO: task hung in xt_find_table

Dear Linux kernel developers and maintainers, We would like to report a new kernel bug found by our

7:55 AM

7:54 AM

[Kernel Bug] INFO: rcu detected stall in sys_tgkill

Dear Linux kernel developers and maintainers, We would like to report a new kernel bug found by our

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[Kernel Bug] INFO: rcu detected stall in sys_tgkill

Dear Linux kernel developers and maintainers, We would like to report a new kernel bug found by our

7:54 AM

7:50 AM

[Kernel Bug] INFO: rcu detected stall in kmem_alloc_batch

Dear Linux kernel developers and maintainers, We would like to report a new kernel bug found by our

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[Kernel Bug] INFO: rcu detected stall in kmem_alloc_batch

Dear Linux kernel developers and maintainers, We would like to report a new kernel bug found by our

7:50 AM

Alexander Potapenko2

6:19 AM

[google/syzkaller] c36c07: pkg/aflow/action/crash: validate and propagate Tar...

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

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[google/syzkaller] c36c07: pkg/aflow/action/crash: validate and propagate Tar...

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

6:19 AM

Alexander Potapenko2

Jun 8

[google/syzkaller] df65c0: pkg/aflow/tool/codeexpert: restrict filename guess...

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

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[google/syzkaller] df65c0: pkg/aflow/tool/codeexpert: restrict filename guess...

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

Jun 8

Jun 7

Re: Debian kernel testing on syzbot

Hi everyone, Regarding syzbot testing for Debian kernel, I have developed an python tool called debsb

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Re: Debian kernel testing on syzbot

Hi everyone, Regarding syzbot testing for Debian kernel, I have developed an python tool called debsb

Jun 7

Jun 5

Question about prog minimization

Hi, As I'm working on some modifications on Syzkaller, something caught my attention regarding

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Question about prog minimization

Hi, As I'm working on some modifications on Syzkaller, something caught my attention regarding

Jun 5

Jun 5

[google/syzkaller] cc0956: pkg/coveragedb: optimize DeleteGarbage via Go-side...

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

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[google/syzkaller] cc0956: pkg/coveragedb: optimize DeleteGarbage via Go-side...

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

Jun 5

Jun 5

[google/syzkaller] 48b6c3: pkg/aflow: refactor coverage caching

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

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[google/syzkaller] 48b6c3: pkg/aflow: refactor coverage caching

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

Jun 5

Marc Zyngier, … Dmitry Vyukov5

Jun 4

Re: [syzbot] [kvmarm?] [kvm?] BUG: unable to handle kernel paging request in kvm_vgic_destroy

On Mon, 2 Mar 2026 at 14:26, 'Marc Zyngier' via syzkaller <syzk...@googlegroups.com>

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Re: [syzbot] [kvmarm?] [kvm?] BUG: unable to handle kernel paging request in kvm_vgic_destroy

On Mon, 2 Mar 2026 at 14:26, 'Marc Zyngier' via syzkaller <syzk...@googlegroups.com>

Jun 4

Alexander Potapenko2

Jun 3

[google/syzkaller] 96463d: dashboard: add button to restart failed AI workflows

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

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[google/syzkaller] 96463d: dashboard: add button to restart failed AI workflows

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

Jun 3

Jun 3

[google/syzkaller] be4246: pkg/instance: fix select race on context cancellation

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

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[google/syzkaller] be4246: pkg/instance: fix select race on context cancellation

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

Jun 3

Aleksandr Nogikh2

Jun 3

[google/syzkaller] 79fa8e: pkg/aflow: improve commit description instructions

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

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[google/syzkaller] 79fa8e: pkg/aflow: improve commit description instructions

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

Jun 3

Aleksandr Nogikh2

Jun 3

[google/syzkaller] 08ab31: syz-cluster: fix local kernel fetcher SA permissions

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

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[google/syzkaller] 08ab31: syz-cluster: fix local kernel fetcher SA permissions

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

Jun 3

Aleksandr Nogikh2

Jun 3

[google/syzkaller] 28a0e9: syz-manager: separate candidate triage jobs in the UI

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

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[google/syzkaller] 28a0e9: syz-manager: separate candidate triage jobs in the UI

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

Jun 3

Aleksandr Nogikh2

Jun 3

[google/syzkaller] 13a480: pkg/aflow: embed timezone data to prevent initiali...

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

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[google/syzkaller] 13a480: pkg/aflow: embed timezone data to prevent initiali...

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

Jun 3

Jun 3

[google/syzkaller] afebce: pkg/instance: introduce runStreamAndCollectStdout ...

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

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[google/syzkaller] afebce: pkg/instance: introduce runStreamAndCollectStdout ...

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

Jun 3

Jun 3

[google/syzkaller] 162390: tools: add a script to create freebsd GCE images

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

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[google/syzkaller] 162390: tools: add a script to create freebsd GCE images

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

Jun 3

Jun 3

[google/syzkaller] 199971: dashboard/app: avoid syzbot context-addressed emai...

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

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[google/syzkaller] 199971: dashboard/app: avoid syzbot context-addressed emai...

Branch: refs/heads/master Home: https://github.com/google/syzkaller Commit:

Jun 3

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