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

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syzbot, Pei Xiao2

8:01 AM

[syzbot] [usb?] [input?] KMSAN: uninit-value in steam_register

The reply buffer in steam_get_serial() is allocated on the stack without initialization. In cases

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[syzbot] [usb?] [input?] KMSAN: uninit-value in steam_register

The reply buffer in steam_get_serial() is allocated on the stack without initialization. In cases

8:01 AM

7:23 AM

[syzbot] [ocfs2?] possible deadlock in ocfs2_extend_allocation

Auto-closing this bug as obsolete. No recent activity, existing reproducers are no longer triggering

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[syzbot] [ocfs2?] possible deadlock in ocfs2_extend_allocation

Auto-closing this bug as obsolete. No recent activity, existing reproducers are no longer triggering

7:23 AM

wuyankun, Tetsuo Handa2

7:01 AM

[PATCH] wifi: ath6kl: fix invalid workqueue flags in ath6kl_usb_create()

On 2026/06/10 18:22, wuyankun wrote: > ath6kl_usb_create() currently creates ath6kl_wq with flags

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[PATCH] wifi: ath6kl: fix invalid workqueue flags in ath6kl_usb_create()

On 2026/06/10 18:22, wuyankun wrote: > ath6kl_usb_create() currently creates ath6kl_wq with flags

7:01 AM

syzbot, … Konstantin Komarov5

6:43 AM

[syzbot] [ntfs3?] KMSAN: uninit-value in ni_seek_data_or_hole

On 5/26/26 10:08, Edward Adam Davis wrote: > The target VCN being sought was not found within runs

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[syzbot] [ntfs3?] KMSAN: uninit-value in ni_seek_data_or_hole

On 5/26/26 10:08, Edward Adam Davis wrote: > The target VCN being sought was not found within runs

6:43 AM

syzbot, Jens Axboe3

4:58 AM

[syzbot] [io-uring?] INFO: rcu detected stall in io_ring_exit_work (3)

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

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[syzbot] [io-uring?] INFO: rcu detected stall in io_ring_exit_work (3)

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

4:58 AM

4:07 AM

[syzbot ci] Re: ext4: move inline data cleanup to ext4_writepages to fix deadlock

syzbot ci has tested the following series [v1] ext4: move inline data cleanup to ext4_writepages to

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[syzbot ci] Re: ext4: move inline data cleanup to ext4_writepages to fix deadlock

syzbot ci has tested the following series [v1] ext4: move inline data cleanup to ext4_writepages to

4:07 AM

syzbot, … Dmitry Vyukov35

4:01 AM

[syzbot] [net?] INFO: task hung in new_device_store (5)

On Sat, 3 Jan 2026 at 15:00, Tetsuo Handa <penguin...@i-love.sakura.ne.jp> wrote: > >

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[syzbot] [net?] INFO: task hung in new_device_store (5)

On Sat, 3 Jan 2026 at 15:00, Tetsuo Handa <penguin...@i-love.sakura.ne.jp> wrote: > >

4:01 AM

3:18 AM

[syzbot] [net?] KASAN: slab-out-of-bounds Write in mini_qdisc_pair_swap

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

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[syzbot] [net?] KASAN: slab-out-of-bounds Write in mini_qdisc_pair_swap

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

3:18 AM

2:19 AM

[syzbot] [fbdev?] KASAN: slab-use-after-free Read in fb_mode_is_equal

Hello, syzbot found the following issue on: HEAD commit: 9154c4af7829 Merge tag 'mmc-v7.1-rc3

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[syzbot] [fbdev?] KASAN: slab-use-after-free Read in fb_mode_is_equal

Hello, syzbot found the following issue on: HEAD commit: 9154c4af7829 Merge tag 'mmc-v7.1-rc3

2:19 AM

2:11 AM

[syzbot] [net?] WARNING: refcount bug in nsim_fib_event_nb (3)

Hello, syzbot found the following issue on: HEAD commit: 6f3ed7fec72f Merge tag 'for-7.1/dm-fixes

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[syzbot] [net?] WARNING: refcount bug in nsim_fib_event_nb (3)

Hello, syzbot found the following issue on: HEAD commit: 6f3ed7fec72f Merge tag 'for-7.1/dm-fixes

2:11 AM

12:32 AM

[syzbot] Monthly ocfs2 report (Jun 2026)

Hello ocfs2 maintainers/developers, This is a 31-day syzbot report for the ocfs2 subsystem. All

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[syzbot] Monthly ocfs2 report (Jun 2026)

Hello ocfs2 maintainers/developers, This is a 31-day syzbot report for the ocfs2 subsystem. All

12:32 AM

12:32 AM

[syzbot] Monthly f2fs report (Jun 2026)

Hello f2fs maintainers/developers, This is a 31-day syzbot report for the f2fs subsystem. All related

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[syzbot] Monthly f2fs report (Jun 2026)

Hello f2fs maintainers/developers, This is a 31-day syzbot report for the f2fs subsystem. All related

12:32 AM

12:00 AM

[syzbot] [kernel?] INFO: task hung in rds_tcp_listen_stop (3)

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

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[syzbot] [kernel?] INFO: task hung in rds_tcp_listen_stop (3)

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

12:00 AM

Jun 9

[syzbot] [cgroups?] [mm?] WARNING in hrtick_start_fair

Hello, syzbot found the following issue on: HEAD commit: a87737435cfa Add linux-next specific files

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[syzbot] [cgroups?] [mm?] WARNING in hrtick_start_fair

Hello, syzbot found the following issue on: HEAD commit: a87737435cfa Add linux-next specific files

Jun 9

Jun 9

[syzbot] [btrfs?] WARNING in __alloc_workqueue (2)

Hello, syzbot found the following issue on: HEAD commit: a87737435cfa Add linux-next specific files

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[syzbot] [btrfs?] WARNING in __alloc_workqueue (2)

Hello, syzbot found the following issue on: HEAD commit: a87737435cfa Add linux-next specific files

Jun 9

Jun 9

[syzbot] [kernel?] possible deadlock in worker_thread (4)

Hello, syzbot found the following issue on: HEAD commit: 33d8d8ec31b5 Merge tag 'input-for-v7.1-

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[syzbot] [kernel?] possible deadlock in worker_thread (4)

Hello, syzbot found the following issue on: HEAD commit: 33d8d8ec31b5 Merge tag 'input-for-v7.1-

Jun 9

Jun 9

[syzbot] [ocfs2?] possible deadlock in ocfs2_remove_inode (2)

syzbot has found a reproducer for the following issue on: HEAD commit: 2d3090a8aeb5 Merge tag 'v7

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[syzbot] [ocfs2?] possible deadlock in ocfs2_remove_inode (2)

syzbot has found a reproducer for the following issue on: HEAD commit: 2d3090a8aeb5 Merge tag 'v7

Jun 9

Jun 9

[syzbot] [ext4?] KASAN: use-after-free Read in ext4_xattr_list_entries (2)

Hello, syzbot found the following issue on: HEAD commit: 8e65320d91cd Merge tag 'drm-fixes-2026-

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[syzbot] [ext4?] KASAN: use-after-free Read in ext4_xattr_list_entries (2)

Hello, syzbot found the following issue on: HEAD commit: 8e65320d91cd Merge tag 'drm-fixes-2026-

Jun 9

Jun 9

[syzbot ci] Re: netfilter: ipset fixes, second batch

syzbot ci has tested the following series [v2] netfilter: ipset fixes, second batch https://lore.

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[syzbot ci] Re: netfilter: ipset fixes, second batch

syzbot ci has tested the following series [v2] netfilter: ipset fixes, second batch https://lore.

Jun 9

Jun 9

[syzbot] [mm?] KASAN: use-after-free Read in ptdump_pte_entry (2)

Hello, syzbot found the following issue on: HEAD commit: ba3e43a9e601 Merge tag 'soc-fixes-7.1-2

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[syzbot] [mm?] KASAN: use-after-free Read in ptdump_pte_entry (2)

Hello, syzbot found the following issue on: HEAD commit: ba3e43a9e601 Merge tag 'soc-fixes-7.1-2

Jun 9

Jun 9

[syzbot] Monthly fs report (Jun 2026)

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

unread,

[syzbot] Monthly fs report (Jun 2026)

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

Jun 9

Jun 9

[syzbot] Monthly ext4 report (Jun 2026)

Hello ext4 maintainers/developers, This is a 31-day syzbot report for the ext4 subsystem. All related

unread,

[syzbot] Monthly ext4 report (Jun 2026)

Hello ext4 maintainers/developers, This is a 31-day syzbot report for the ext4 subsystem. All related

Jun 9

syzbot, Amir Goldstein2

Jun 9

[syzbot] [overlayfs?] possible deadlock in mnt_want_write (8)

On Tue, Jun 9, 2026 at 1:15 AM syzbot <syzbot+1e5626...@syzkaller.appspotmail.com>

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[syzbot] [overlayfs?] possible deadlock in mnt_want_write (8)

On Tue, Jun 9, 2026 at 1:15 AM syzbot <syzbot+1e5626...@syzkaller.appspotmail.com>

Jun 9

syzbot, … Alexander Potapenko14

Jun 9

[syzbot] [kernel?] upstream test error: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt

> There are no checks for `@notify_die` arguments because > `@do_error_trap` receives them as `

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[syzbot] [kernel?] upstream test error: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt

> There are no checks for `@notify_die` arguments because > `@do_error_trap` receives them as `

Jun 9

Jun 9

Re: [syzbot] [ext4?] possible deadlock in ext4_xattr_set_handle (7)

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

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Re: [syzbot] [ext4?] possible deadlock in ext4_xattr_set_handle (7)

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

Jun 9

Jun 9

Re: [syzbot] [jfs?] [mm?] KASAN: use-after-free Read in copy_folio_from_iter_atomic (2)

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

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Re: [syzbot] [jfs?] [mm?] KASAN: use-after-free Read in copy_folio_from_iter_atomic (2)

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

Jun 9

Jun 9

[syzbot ci] Re: KVM Planes + SEV-SNP Support

syzbot ci has tested the following series [v1] KVM Planes + SEV-SNP Support https://lore.kernel.org/

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[syzbot ci] Re: KVM Planes + SEV-SNP Support

syzbot ci has tested the following series [v1] KVM Planes + SEV-SNP Support https://lore.kernel.org/

Jun 9

Jun 9

[syzbot] [ext4?] possible deadlock in ext4_xattr_set_handle (7)

For archival purposes, forwarding an incoming command email to linux-...@vger.kernel.org,

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[syzbot] [ext4?] possible deadlock in ext4_xattr_set_handle (7)

For archival purposes, forwarding an incoming command email to linux-...@vger.kernel.org,

Jun 9

Jun 9

[syzbot] [mm?] KASAN: use-after-free Read in copy_folio_from_iter_atomic (2)

For archival purposes, forwarding an incoming command email to linux-...@vger.kernel.org,

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[syzbot] [mm?] KASAN: use-after-free Read in copy_folio_from_iter_atomic (2)

For archival purposes, forwarding an incoming command email to linux-...@vger.kernel.org,

Jun 9

Jun 9

[syzbot] [ext4?] kernel BUG in ext4_write_inline_data (5)

Hello, syzbot found the following issue on: HEAD commit: 9154c4af7829 Merge tag 'mmc-v7.1-rc3

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[syzbot] [ext4?] kernel BUG in ext4_write_inline_data (5)

Hello, syzbot found the following issue on: HEAD commit: 9154c4af7829 Merge tag 'mmc-v7.1-rc3

Jun 9

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