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

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5:36 PM

[syzbot] [mm?] BUG: sleeping function called from invalid context in __zap_vma_range

Hello, syzbot found the following issue on: HEAD commit: c1f49dea2b8f Merge tag 'mm-hotfixes-

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[syzbot] [mm?] BUG: sleeping function called from invalid context in __zap_vma_range

Hello, syzbot found the following issue on: HEAD commit: c1f49dea2b8f Merge tag 'mm-hotfixes-

5:36 PM

5:36 PM

[syzbot] [i2c?] [usb?] WARNING: ODEBUG bug in i2c_device_remove (2)

Hello, syzbot found the following issue on: HEAD commit: c7275b05bc42 Add linux-next specific files

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[syzbot] [i2c?] [usb?] WARNING: ODEBUG bug in i2c_device_remove (2)

Hello, syzbot found the following issue on: HEAD commit: c7275b05bc42 Add linux-next specific files

5:36 PM

5:36 PM

[syzbot] [media?] WARNING in trace_suspend_resume/usb_submit_urb

Hello, syzbot found the following issue on: HEAD commit: 8541d8f725c6 Merge tag 'mtd/for-7.1'

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[syzbot] [media?] WARNING in trace_suspend_resume/usb_submit_urb

Hello, syzbot found the following issue on: HEAD commit: 8541d8f725c6 Merge tag 'mtd/for-7.1'

5:36 PM

syzbot, Tetsuo Handa2

5:34 PM

Re: [syzbot] [usb?] [pm?] WARNING in enable_work

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing diff --git a/

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Re: [syzbot] [usb?] [pm?] WARNING in enable_work

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing diff --git a/

5:34 PM

5:14 PM

[syzbot] [mm?] WARNING in vma_mark_detached

Hello, syzbot found the following issue on: HEAD commit: 43cfbdda5af6 Merge tag 'for-linus-

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[syzbot] [mm?] WARNING in vma_mark_detached

Hello, syzbot found the following issue on: HEAD commit: 43cfbdda5af6 Merge tag 'for-linus-

5:14 PM

syzbot, … Liam R. Howlett5

3:29 PM

[syzbot] [mm?] KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2)

* Marco Elver <el...@google.com> [260417 20:26]: > On Sat, 18 Apr 2026 at 01:51, 'Liam R

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[syzbot] [mm?] KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2)

* Marco Elver <el...@google.com> [260417 20:26]: > On Sat, 18 Apr 2026 at 01:51, 'Liam R

3:29 PM

2:09 PM

[syzbot ci] Re: mm/virtio: skip redundant zeroing of host-zeroed reported pages

syzbot ci has tested the following series [v2] mm/virtio: skip redundant zeroing of host-zeroed

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[syzbot ci] Re: mm/virtio: skip redundant zeroing of host-zeroed reported pages

syzbot ci has tested the following series [v2] mm/virtio: skip redundant zeroing of host-zeroed

2:09 PM

10:13 AM

[syzbot] [bpf?] KCSAN: data-race in bpf_obj_memcpy / bpf_obj_memcpy

Hello, syzbot found the following issue on: HEAD commit: c1f49dea2b8f Merge tag 'mm-hotfixes-

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[syzbot] [bpf?] KCSAN: data-race in bpf_obj_memcpy / bpf_obj_memcpy

Hello, syzbot found the following issue on: HEAD commit: c1f49dea2b8f Merge tag 'mm-hotfixes-

10:13 AM

9:38 AM

[syzbot] [pm?] WARNING in enable_work

For archival purposes, forwarding an incoming command email to syzkall...@googlegroups.com. ***

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[syzbot] [pm?] WARNING in enable_work

For archival purposes, forwarding an incoming command email to syzkall...@googlegroups.com. ***

9:38 AM

syzbot ci, … syzbot ci3

9:21 AM

[syzbot ci] Re: mm: improve folio refcount scalability

syzbot ci has tested the suggested fix patch on top of the following series: [v2] mm: improve folio

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[syzbot ci] Re: mm: improve folio refcount scalability

syzbot ci has tested the suggested fix patch on top of the following series: [v2] mm: improve folio

9:21 AM

syzbot, Nikola Ivanov3

8:58 AM

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

> #syz test This crash does not have a reproducer. I cannot test it.

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

> #syz test This crash does not have a reproducer. I cannot test it.

8:58 AM

8:38 AM

[syzbot] Monthly bfs report (Apr 2026)

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

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[syzbot] Monthly bfs report (Apr 2026)

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

8:38 AM

syzbot, … Miklos Szeredi5

6:52 AM

[syzbot] [fuse?] INFO: task hung in fuse_conn_destroy (2)

On Sun, 19 Apr 2026 at 07:27, Edward Adam Davis <ead...@qq.com> wrote: > > In

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[syzbot] [fuse?] INFO: task hung in fuse_conn_destroy (2)

On Sun, 19 Apr 2026 at 07:27, Edward Adam Davis <ead...@qq.com> wrote: > > In

6:52 AM

5:03 AM

[syzbot] [fs?] [mm?] possible deadlock in flush_end_io

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

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[syzbot] [fs?] [mm?] possible deadlock in flush_end_io

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

5:03 AM

4:12 AM

[syzbot ci] Re: net: nsh: handle nested NSH headers during GSO

syzbot ci has tested the following series [v1] net: nsh: handle nested NSH headers during GSO https:/

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[syzbot ci] Re: net: nsh: handle nested NSH headers during GSO

syzbot ci has tested the following series [v1] net: nsh: handle nested NSH headers during GSO https:/

4:12 AM

3:05 AM

[syzbot] [wireless?] KASAN: slab-use-after-free Write in rsi_91x_deinit

Hello, syzbot found the following issue on: HEAD commit: 87117347a0e7 usb: dwc3: starfive: Add JHB100

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[syzbot] [wireless?] KASAN: slab-use-after-free Write in rsi_91x_deinit

Hello, syzbot found the following issue on: HEAD commit: 87117347a0e7 usb: dwc3: starfive: Add JHB100

3:05 AM

3:05 AM

[syzbot] Monthly fbdev report (Apr 2026)

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

unread,

[syzbot] Monthly fbdev report (Apr 2026)

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

3:05 AM

12:18 AM

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

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

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

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

12:18 AM

Apr 19

Re: [syzbot] [net?] KASAN: null-ptr-deref Write in send_to_lecd

> #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 014441d1e4b2 This

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Re: [syzbot] [net?] KASAN: null-ptr-deref Write in send_to_lecd

> #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 014441d1e4b2 This

Apr 19

Apr 19

[syzbot] [ext4?] KASAN: use-after-free Read in ext4_read_inline_data

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

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[syzbot] [ext4?] KASAN: use-after-free Read in ext4_read_inline_data

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

Apr 19

Apr 18

[syzbot] [mm?] general protection fault in lru_gen_test_recent (2)

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

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[syzbot] [mm?] general protection fault in lru_gen_test_recent (2)

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

Apr 18

Apr 18

[syzbot] [btrfs?] kernel BUG in replace_file_extents

Hello, syzbot found the following issue on: HEAD commit: 43cfbdda5af6 Merge tag 'for-linus-

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[syzbot] [btrfs?] kernel BUG in replace_file_extents

Hello, syzbot found the following issue on: HEAD commit: 43cfbdda5af6 Merge tag 'for-linus-

Apr 18

syzbot, Hillf Danton6

Apr 18

[syzbot] [bluetooth?] general protection fault in h5_recv

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

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[syzbot] [bluetooth?] general protection fault in h5_recv

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

Apr 18

syzbot, … Viacheslav Dubeyko17

Apr 18

[syzbot] [hfs?] KMSAN: uninit-value in hfsplus_bnode_find

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

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[syzbot] [hfs?] KMSAN: uninit-value in hfsplus_bnode_find

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

Apr 18

Apr 18

Re: [syzbot] [hfs?] WARNING in hfs_bnode_create

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

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Re: [syzbot] [hfs?] WARNING in hfs_bnode_create

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

Apr 18

Apr 18

Re: [syzbot] [jffs2] kernel BUG in jffs2_del_ino_cache

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

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Re: [syzbot] [jffs2] kernel BUG in jffs2_del_ino_cache

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

Apr 18

Apr 18

WARNING in hfs_bnode_create

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

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WARNING in hfs_bnode_create

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

Apr 18

Apr 18

Re: [syzbot] [gfs2?] WARNING in rgblk_free (2)

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

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Re: [syzbot] [gfs2?] WARNING in rgblk_free (2)

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

Apr 18

syzbot, Andrew Price6

Apr 18

[syzbot] [gfs2?] WARNING in rgblk_free (2)

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

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[syzbot] [gfs2?] WARNING in rgblk_free (2)

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

Apr 18

Apr 18

[syzbot] [jffs2?] kernel BUG in jffs2_del_ino_cache

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

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[syzbot] [jffs2?] kernel BUG in jffs2_del_ino_cache

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

Apr 18

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