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Linux kernel bugs found with syzkaller fuzzer and reported automatically by syzbot.

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6:14 PM

[syzbot] [comedi?] possible deadlock in comedi_do_insn (2)

Hello, syzbot found the following issue on: HEAD commit: 780d569e6c4b Merge tag 'pwm/for-7.2-rc1-

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[syzbot] [comedi?] possible deadlock in comedi_do_insn (2)

Hello, syzbot found the following issue on: HEAD commit: 780d569e6c4b Merge tag 'pwm/for-7.2-rc1-

6:14 PM

syzbot, … Andrii Nakryiko14

3:58 PM

[syzbot] [bpf?] BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu

On Tue, Jun 30, 2026 at 5:27 PM Edward Adam Davis <ead...@qq.com> wrote: > >

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[syzbot] [bpf?] BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu

On Tue, Jun 30, 2026 at 5:27 PM Edward Adam Davis <ead...@qq.com> wrote: > >

3:58 PM

10:31 AM

[syzbot] [media?] KASAN: slab-use-after-free Read in v4l2_fh_release

Auto-closing this bug as obsolete. Crashes did not happen for a while, no reproducer and no activity.

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[syzbot] [media?] KASAN: slab-use-after-free Read in v4l2_fh_release

Auto-closing this bug as obsolete. Crashes did not happen for a while, no reproducer and no activity.

10:31 AM

8:32 AM

[syzbot] Monthly netfilter report (Jul 2026)

Hello netfilter maintainers/developers, This is a 31-day syzbot report for the netfilter subsystem.

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[syzbot] Monthly netfilter report (Jul 2026)

Hello netfilter maintainers/developers, This is a 31-day syzbot report for the netfilter subsystem.

8:32 AM

8:32 AM

[syzbot] Monthly kernfs report (Jul 2026)

Hello kernfs maintainers/developers, This is a 31-day syzbot report for the kernfs subsystem. All

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[syzbot] Monthly kernfs report (Jul 2026)

Hello kernfs maintainers/developers, This is a 31-day syzbot report for the kernfs subsystem. All

8:32 AM

8:32 AM

[syzbot] Monthly jfs report (Jul 2026)

Hello jfs maintainers/developers, This is a 31-day syzbot report for the jfs subsystem. All related

unread,

[syzbot] Monthly jfs report (Jul 2026)

Hello jfs maintainers/developers, This is a 31-day syzbot report for the jfs subsystem. All related

8:32 AM

syzbot, … Oleg Nesterov6

5:42 AM

[syzbot] [trace?] general protection fault in mtree_load

Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by

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[syzbot] [trace?] general protection fault in mtree_load

Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by

5:42 AM

wuyankun, Ryusuke Konishi5

Jun 30

[PATCH] nilfs2: prevent double insertion of b_assoc_buffers in dirty buffer lookup

Thanks a lot for the detailed investigation and for clarifying the actual root cause. That

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[PATCH] nilfs2: prevent double insertion of b_assoc_buffers in dirty buffer lookup

Thanks a lot for the detailed investigation and for clarifying the actual root cause. That

Jun 30

Jun 30

[syzbot] [fs?] possible deadlock in serial8250_handle_irq (2)

Auto-closing this bug as obsolete. Crashes did not happen for a while, no reproducer and no activity.

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[syzbot] [fs?] possible deadlock in serial8250_handle_irq (2)

Auto-closing this bug as obsolete. Crashes did not happen for a while, no reproducer and no activity.

Jun 30

Jun 30

[syzbot] [kernel?] INFO: rcu detected stall in preempt_schedule_thunk (4)

Hello, syzbot found the following issue on: HEAD commit: dc59e4fea9d8 Linux 7.2-rc1 git tree:

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[syzbot] [kernel?] INFO: rcu detected stall in preempt_schedule_thunk (4)

Hello, syzbot found the following issue on: HEAD commit: dc59e4fea9d8 Linux 7.2-rc1 git tree:

Jun 30

Jun 30

[syzbot] Monthly io-uring report (Jun 2026)

Hello io-uring maintainers/developers, This is a 31-day syzbot report for the io-uring subsystem. All

unread,

[syzbot] Monthly io-uring report (Jun 2026)

Hello io-uring maintainers/developers, This is a 31-day syzbot report for the io-uring subsystem. All

Jun 30

Jun 30

[syzbot] [kvm-x86?] KASAN: use-after-free Read in kvm_setup_guest_pvclock

syzbot has found a reproducer for the following issue on: HEAD commit: 7de6ae9e1220 Add linux-next

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[syzbot] [kvm-x86?] KASAN: use-after-free Read in kvm_setup_guest_pvclock

syzbot has found a reproducer for the following issue on: HEAD commit: 7de6ae9e1220 Add linux-next

Jun 30

Jun 30

[syzbot] [wireless?] WARNING in mac80211_hwsim_tx (2)

syzbot has found a reproducer for the following issue on: HEAD commit: dc59e4fea9d8 Linux 7.2-rc1 git

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[syzbot] [wireless?] WARNING in mac80211_hwsim_tx (2)

syzbot has found a reproducer for the following issue on: HEAD commit: dc59e4fea9d8 Linux 7.2-rc1 git

Jun 30

Jun 30

[syzbot] [bfs?] WARNING in bfs_write_inode

Hello, syzbot found the following issue on: HEAD commit: 51cb1aa1250c Merge tag 'loongarch-7.2

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[syzbot] [bfs?] WARNING in bfs_write_inode

Hello, syzbot found the following issue on: HEAD commit: 51cb1aa1250c Merge tag 'loongarch-7.2

Jun 30

Jun 30

[syzbot] [net?] possible deadlock in __netdev_update_features (2)

Auto-closing this bug as obsolete. Crashes did not happen for a while, no reproducer and no activity.

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[syzbot] [net?] possible deadlock in __netdev_update_features (2)

Auto-closing this bug as obsolete. Crashes did not happen for a while, no reproducer and no activity.

Jun 30

syzbot ci, … Jeremy Bingham12

Jun 30

[syzbot ci] Re: minix: convert to iomap and add direct I/O

#syz test minix: add the same dentry check as ext4_get_link to minix_get_link It turns out that

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[syzbot ci] Re: minix: convert to iomap and add direct I/O

#syz test minix: add the same dentry check as ext4_get_link to minix_get_link It turns out that

Jun 30

Jun 30

[syzbot ci] Re: bpf: Fix use-after-free on mm_struct in bpf_find_vma()

syzbot ci has tested the following series [v5] bpf: Fix use-after-free on mm_struct in bpf_find_vma()

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[syzbot ci] Re: bpf: Fix use-after-free on mm_struct in bpf_find_vma()

syzbot ci has tested the following series [v5] bpf: Fix use-after-free on mm_struct in bpf_find_vma()

Jun 30

Jun 29

[syzbot] [gfs2?] general protection fault in _find_first_zero_bit

Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: lost

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[syzbot] [gfs2?] general protection fault in _find_first_zero_bit

Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: lost

Jun 29

Jun 29

[syzbot] [usb?] KASAN: slab-use-after-free Read in uea_upload_pre_firmware

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

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[syzbot] [usb?] KASAN: slab-use-after-free Read in uea_upload_pre_firmware

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

Jun 29

Jun 29

[syzbot] [mm?] [usb?] [input?] INFO: rcu detected stall in sys_epoll_wait (9)

Hello, syzbot found the following issue on: HEAD commit: 5a66900afbd6 Merge tag 'drm-fixes-2026-

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[syzbot] [mm?] [usb?] [input?] INFO: rcu detected stall in sys_epoll_wait (9)

Hello, syzbot found the following issue on: HEAD commit: 5a66900afbd6 Merge tag 'drm-fixes-2026-

Jun 29

Jun 29

[syzbot] [ntfs3?] possible deadlock in ntfs_readdir

Hello, syzbot found the following issue on: HEAD commit: 8b69c0475871 Merge tag 'input-for-v7.2-

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[syzbot] [ntfs3?] possible deadlock in ntfs_readdir

Hello, syzbot found the following issue on: HEAD commit: 8b69c0475871 Merge tag 'input-for-v7.2-

Jun 29

Jun 29

[syzbot] [ntfs3?] KMSAN: uninit-value in ntfs_iomap_begin (2)

Hello, syzbot found the following issue on: HEAD commit: 962528fef902 Merge tag 'gpio-fixes-for-

unread,

[syzbot] [ntfs3?] KMSAN: uninit-value in ntfs_iomap_begin (2)

Hello, syzbot found the following issue on: HEAD commit: 962528fef902 Merge tag 'gpio-fixes-for-

Jun 29

Jun 29

[syzbot] [block?] WARNING in ublk_ch_batch_io_uring_cmd

Hello, syzbot found the following issue on: HEAD commit: ab9de95c9cf9 Merge tag 'rust-7.2-2'

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[syzbot] [block?] WARNING in ublk_ch_batch_io_uring_cmd

Hello, syzbot found the following issue on: HEAD commit: ab9de95c9cf9 Merge tag 'rust-7.2-2'

Jun 29

syzbot, … Andrew Lunn8

Jun 29

[syzbot] [wireguard?] KCSAN: data-race in wg_socket_send_skb_to_peer / wg_socket_send_skb_to_peer (9)

> When looking around drivers/net, I found a few u64_stats uses without > per-cpu. I will do

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[syzbot] [wireguard?] KCSAN: data-race in wg_socket_send_skb_to_peer / wg_socket_send_skb_to_peer (9)

> When looking around drivers/net, I found a few u64_stats uses without > per-cpu. I will do

Jun 29

syzbot, Hojun Choi2

Jun 29

[syzbot] [bluetooth?] KASAN: slab-use-after-free Read in l2cap_disconn_ind (3)

l2cap_disconn_ind() runs from the hci_conn_timeout() worker without hci_dev_lock, and reads conn->

unread,

[syzbot] [bluetooth?] KASAN: slab-use-after-free Read in l2cap_disconn_ind (3)

l2cap_disconn_ind() runs from the hci_conn_timeout() worker without hci_dev_lock, and reads conn->

Jun 29

Jun 29

[syzbot] Monthly rdma report (Jun 2026)

Hello rdma maintainers/developers, This is a 31-day syzbot report for the rdma subsystem. All related

unread,

[syzbot] Monthly rdma report (Jun 2026)

Hello rdma maintainers/developers, This is a 31-day syzbot report for the rdma subsystem. All related

Jun 29

Jun 29

[syzbot] [wpan?] general protection fault in ieee802154_release_queue

Hello, syzbot found the following issue on: HEAD commit: b85966adbf5d Merge tag 'net-next-7.2

unread,

[syzbot] [wpan?] general protection fault in ieee802154_release_queue

Hello, syzbot found the following issue on: HEAD commit: b85966adbf5d Merge tag 'net-next-7.2

Jun 29

syzbot, … Jiri Kosina23

Jun 29

[syzbot] [input?] [usb?] KASAN: slab-use-after-free Read in hidraw_report_event

On Tue, 19 May 2026, Philipp Weber wrote: > A driver's probe calls hid_device_io_start() to

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[syzbot] [input?] [usb?] KASAN: slab-use-after-free Read in hidraw_report_event

On Tue, 19 May 2026, Philipp Weber wrote: > A driver's probe calls hid_device_io_start() to

Jun 29

Jun 29

[syzbot] [ocfs2?] kernel BUG in ocfs2_xattr_value_truncate (2)

Auto-closing this bug as obsolete. Crashes did not happen for a while, no reproducer and no activity.

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[syzbot] [ocfs2?] kernel BUG in ocfs2_xattr_value_truncate (2)

Auto-closing this bug as obsolete. Crashes did not happen for a while, no reproducer and no activity.

Jun 29

Jun 28

[syzbot] [ocfs2?] WARNING: locking bug in ocfs2_inode_lock_full_nested (3)

Hello, syzbot found the following issue on: HEAD commit: ab9de95c9cf9 Merge tag 'rust-7.2-2'

unread,

[syzbot] [ocfs2?] WARNING: locking bug in ocfs2_inode_lock_full_nested (3)

Hello, syzbot found the following issue on: HEAD commit: ab9de95c9cf9 Merge tag 'rust-7.2-2'

Jun 28

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