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

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1:39 PM

[syzbot ci] Re: mm: switch THP shrinker to list_lru

syzbot ci has tested the following series [v2] mm: switch THP shrinker to list_lru https://lore.

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[syzbot ci] Re: mm: switch THP shrinker to list_lru

syzbot ci has tested the following series [v2] mm: switch THP shrinker to list_lru https://lore.

1:39 PM

syzbot, Alan Stern22

12:32 PM

[syzbot] [usb?] general protection fault in usb_gadget_udc_reset (4)

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

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[syzbot] [usb?] general protection fault in usb_gadget_udc_reset (4)

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

12:32 PM

syzbot ci, … Johannes Berg4

7:41 AM

[syzbot ci] Re: misc chandef cleanups

On Fri, 2026-03-13 at 20:48 +1100, Lachlan Hodges wrote: > > > diff --git a/net/wireless/

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[syzbot ci] Re: misc chandef cleanups

On Fri, 2026-03-13 at 20:48 +1100, Lachlan Hodges wrote: > > > diff --git a/net/wireless/

7:41 AM

syzbot, … Shankari5

4:38 AM

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

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

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

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

4:38 AM

4:25 AM

[syzbot] [wireless?] WARNING in ieee80211_tdls_oper (3)

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

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[syzbot] [wireless?] WARNING in ieee80211_tdls_oper (3)

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

4:25 AM

1:08 AM

[syzbot] [btrfs?] WARNING in btrfs_add_to_free_space_tree

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

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[syzbot] [btrfs?] WARNING in btrfs_add_to_free_space_tree

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

1:08 AM

1:04 AM

[syzbot] [net?] general protection fault in __fib6_drop_pcpu_from (6)

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

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[syzbot] [net?] general protection fault in __fib6_drop_pcpu_from (6)

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

1:04 AM

Mar 12

[syzbot] [kernfs?] possible deadlock in lookup_slow (3)

syzbot has found a reproducer for the following issue on: HEAD commit: 8004279c41ad Merge tag '

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[syzbot] [kernfs?] possible deadlock in lookup_slow (3)

syzbot has found a reproducer for the following issue on: HEAD commit: 8004279c41ad Merge tag '

Mar 12

syzbot, … Hillf Danton25

Mar 12

[syzbot] [net?] KASAN: slab-use-after-free Read in sock_def_readable (2)

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

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[syzbot] [net?] KASAN: slab-use-after-free Read in sock_def_readable (2)

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

Mar 12

Mar 12

Re: [syzbot] [ext4?] KASAN: slab-use-after-free Read in ext4_ext_remove_space

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

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Re: [syzbot] [ext4?] KASAN: slab-use-after-free Read in ext4_ext_remove_space

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

Mar 12

Mar 12

[syzbot] [ext4?] KASAN: slab-use-after-free Read in ext4_ext_remove_space

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

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[syzbot] [ext4?] KASAN: slab-use-after-free Read in ext4_ext_remove_space

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

Mar 12

syzbot, … Hillf Danton7

Mar 12

[syzbot] [wireless?] INFO: task hung in rfkill_unregister (3)

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

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[syzbot] [wireless?] INFO: task hung in rfkill_unregister (3)

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

Mar 12

syzbot, Ojaswin Mujoo17

Mar 12

[syzbot] [ext4?] kernel BUG in ext4_es_cache_extent (4)

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

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[syzbot] [ext4?] kernel BUG in ext4_es_cache_extent (4)

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

Mar 12

syzbot, … Daniel Jordan4

Mar 12

[syzbot] [kernel?] WARNING in _cpu_down

On Wed, Mar 11, 2026 at 12:45:33PM -0400, Daniel Jordan wrote: > On Wed, Mar 11, 2026 at 08:56:

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[syzbot] [kernel?] WARNING in _cpu_down

On Wed, Mar 11, 2026 at 12:45:33PM -0400, Daniel Jordan wrote: > On Wed, Mar 11, 2026 at 08:56:

Mar 12

syzbot ci, … Johannes Berg3

Mar 12

[syzbot ci] Re: iwlwifi + mac80211 stability

On Thu, 2026-03-12 at 08:25 -0700, Ben Greear wrote: > Which would be triggered by this from patch

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[syzbot ci] Re: iwlwifi + mac80211 stability

On Thu, 2026-03-12 at 08:25 -0700, Ben Greear wrote: > Which would be triggered by this from patch

Mar 12

syzbot ci, … Sabrina Dubroca10

Mar 12

[syzbot ci] Re: net: move netdev_compute_master_upper_features to ndo_set_features

2026-03-12, 17:47:45 +0100, Paolo Abeni wrote: > > > On 3/12/26 4:58 PM, Sabrina Dubroca

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[syzbot ci] Re: net: move netdev_compute_master_upper_features to ndo_set_features

2026-03-12, 17:47:45 +0100, Paolo Abeni wrote: > > > On 3/12/26 4:58 PM, Sabrina Dubroca

Mar 12

syzbot, Eric Dumazet2

Mar 12

[syzbot] [net?] KCSAN: data-race in pfifo_fast_dequeue / pfifo_fast_enqueue (6)

On Thu, Mar 12, 2026 at 4:26 PM syzbot <syzbot+b44f2b...@syzkaller.appspotmail.com>

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[syzbot] [net?] KCSAN: data-race in pfifo_fast_dequeue / pfifo_fast_enqueue (6)

On Thu, Mar 12, 2026 at 4:26 PM syzbot <syzbot+b44f2b...@syzkaller.appspotmail.com>

Mar 12

syzbot, … Heitor Alves de Siqueira9

Mar 12

[syzbot] [usb?] KASAN: slab-use-after-free Write in usb_anchor_suspend_wakeups (2)

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

unread,

[syzbot] [usb?] KASAN: slab-use-after-free Write in usb_anchor_suspend_wakeups (2)

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

Mar 12

Eric Dumazet, … Guoyu Su5

Mar 12

Re: [PATCH net] net: clear mangleid_features for SKB_GSO_DODGY TCPv4

Syzbot reported a KMSAN uninit-value warning in gso_features_check() called from netif_skb_features()

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Re: [PATCH net] net: clear mangleid_features for SKB_GSO_DODGY TCPv4

Syzbot reported a KMSAN uninit-value warning in gso_features_check() called from netif_skb_features()

Mar 12

Mar 12

[syzbot ci] Re: mm: switch deferred split shrinker to list_lru

syzbot ci has tested the following series [v1] mm: switch deferred split shrinker to list_lru https:/

unread,

[syzbot ci] Re: mm: switch deferred split shrinker to list_lru

syzbot ci has tested the following series [v1] mm: switch deferred split shrinker to list_lru https:/

Mar 12

Mar 12

Re: [syzbot] [bridge?] KMSAN: uninit-value in netif_skb_features (4)

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

unread,

Re: [syzbot] [bridge?] KMSAN: uninit-value in netif_skb_features (4)

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

Mar 12

Mar 11

[syzbot] [bluetooth?] WARNING in l2cap_conn_start

Hello, syzbot found the following issue on: HEAD commit: b29fb8829bff Merge tag 'v7.0-rc3-ksmbd-

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[syzbot] [bluetooth?] WARNING in l2cap_conn_start

Hello, syzbot found the following issue on: HEAD commit: b29fb8829bff Merge tag 'v7.0-rc3-ksmbd-

Mar 11

Mar 11

[syzbot] [bridge?] [netfilter?] WARNING in br_nf_local_in (2)

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

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[syzbot] [bridge?] [netfilter?] WARNING in br_nf_local_in (2)

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

Mar 11

Mar 11

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

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

unread,

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

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

Mar 11

Mar 11

Re: [syzbot] [hfs?] kernel BUG in hfs_write_inode

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

unread,

Re: [syzbot] [hfs?] kernel BUG in hfs_write_inode

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

Mar 11

Mar 11

[syzbot] [ocfs2?] possible deadlock in ocfs2_xattr_ibody_set (2)

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

unread,

[syzbot] [ocfs2?] possible deadlock in ocfs2_xattr_ibody_set (2)

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

Mar 11

syzbot, … George Anthony Vernon12

Mar 11

[syzbot] kernel BUG in hfs_write_inode

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

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[syzbot] kernel BUG in hfs_write_inode

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

Mar 11

Mar 11

[syzbot] [hams?] KASAN: slab-use-after-free Read in ax25_disconnect

Hello, syzbot found the following issue on: HEAD commit: 1f318b96cc84 Linux 7.0-rc3 git tree:

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[syzbot] [hams?] KASAN: slab-use-after-free Read in ax25_disconnect

Hello, syzbot found the following issue on: HEAD commit: 1f318b96cc84 Linux 7.0-rc3 git tree:

Mar 11

Mar 11

[syzbot] [afs?] WARNING in delete_node (4)

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

unread,

[syzbot] [afs?] WARNING in delete_node (4)

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

Mar 11

syzbot, … Peter Zijlstra5

Mar 11

[syzbot] [perf?] KCSAN: data-race in perf_event_set_state / perf_mmap_rb

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

unread,

[syzbot] [perf?] KCSAN: data-race in perf_event_set_state / perf_mmap_rb

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

Mar 11

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