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

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1:48 AM

[syzbot] [exfat?] [gfs2?] WARNING in filename_symlinkat

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

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[syzbot] [exfat?] [gfs2?] WARNING in filename_symlinkat

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

1:48 AM

1:36 AM

[syzbot] [netfs?] BUG: unable to handle kernel NULL pointer dereference in netfs_unbuffered_write

Hello, syzbot found the following issue on: HEAD commit: c107785c7e8d Merge tag 'modules-7.0-rc3.

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[syzbot] [netfs?] BUG: unable to handle kernel NULL pointer dereference in netfs_unbuffered_write

Hello, syzbot found the following issue on: HEAD commit: c107785c7e8d Merge tag 'modules-7.0-rc3.

1:36 AM

1:36 AM

[syzbot] [netfs?] kernel BUG in netfs_limit_iter

Hello, syzbot found the following issue on: HEAD commit: c107785c7e8d Merge tag 'modules-7.0-rc3.

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[syzbot] [netfs?] kernel BUG in netfs_limit_iter

Hello, syzbot found the following issue on: HEAD commit: c107785c7e8d Merge tag 'modules-7.0-rc3.

1:36 AM

Mar 5

[syzbot] [kernel?] KMSAN: uninit-value in timespec64_add_safe

Hello, syzbot found the following issue on: HEAD commit: e2bd1b136926 Merge tag 'core-

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[syzbot] [kernel?] KMSAN: uninit-value in timespec64_add_safe

Hello, syzbot found the following issue on: HEAD commit: e2bd1b136926 Merge tag 'core-

Mar 5

syzbot, … Edward Adam Davis14

Mar 5

[syzbot] [ext4?] INFO: task hung in filename_rmdir

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

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[syzbot] [ext4?] INFO: task hung in filename_rmdir

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

Mar 5

syzbot, … Edward Adam Davis22

Mar 5

[syzbot] [ext4?] INFO: task hung in filename_unlinkat

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

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[syzbot] [ext4?] INFO: task hung in filename_unlinkat

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

Mar 5

Mar 5

[syzbot] [btrfs?] kernel BUG in mapping_try_invalidate (2)

Hello, syzbot found the following issue on: HEAD commit: eb71ab2bf722 Merge tag 'bpf-fixes'

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[syzbot] [btrfs?] kernel BUG in mapping_try_invalidate (2)

Hello, syzbot found the following issue on: HEAD commit: eb71ab2bf722 Merge tag 'bpf-fixes'

Mar 5

Mar 5

[syzbot] [f2fs?] KMSAN: uninit-value in f2fs_sanity_check_node_footer

Hello, syzbot found the following issue on: HEAD commit: eb71ab2bf722 Merge tag 'bpf-fixes'

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[syzbot] [f2fs?] KMSAN: uninit-value in f2fs_sanity_check_node_footer

Hello, syzbot found the following issue on: HEAD commit: eb71ab2bf722 Merge tag 'bpf-fixes'

Mar 5

syzbot, Nikola Ivanov3

Mar 5

[syzbot] [net?] WARNING in u32_change (2)

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

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[syzbot] [net?] WARNING in u32_change (2)

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

Mar 5

Mar 5

[syzbot] [sctp?] KCSAN: data-race in sctp_do_sm / sctp_wait_for_connect (4)

Hello, syzbot found the following issue on: HEAD commit: 23b0f90ba871 Merge tag 'sysctl-7.00-rc1

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[syzbot] [sctp?] KCSAN: data-race in sctp_do_sm / sctp_wait_for_connect (4)

Hello, syzbot found the following issue on: HEAD commit: 23b0f90ba871 Merge tag 'sysctl-7.00-rc1

Mar 5

Mar 5

[syzbot] [rds?] KASAN: slab-use-after-free Read in rds_conn_path_drop

Hello, syzbot found the following issue on: HEAD commit: ecc64d2dc9ff Merge tag 'sysctl-7.00-

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[syzbot] [rds?] KASAN: slab-use-after-free Read in rds_conn_path_drop

Hello, syzbot found the following issue on: HEAD commit: ecc64d2dc9ff Merge tag 'sysctl-7.00-

Mar 5

Mar 5

Re: [syzbot] [netfilter?] KASAN: use-after-free Read in nf_hook_entry_head

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

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Re: [syzbot] [netfilter?] KASAN: use-after-free Read in nf_hook_entry_head

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

Mar 5

Mar 5

[syzbot] [netfilter?] KASAN: use-after-free Read in nf_hook_entry_head

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

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[syzbot] [netfilter?] KASAN: use-after-free Read in nf_hook_entry_head

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

Mar 5

Mar 4

[syzbot] [ocfs2?] possible deadlock in ocfs2_extend_dir

Hello, syzbot found the following issue on: HEAD commit: 4d349ee5c778 Merge tag 'arm64-fixes'

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[syzbot] [ocfs2?] possible deadlock in ocfs2_extend_dir

Hello, syzbot found the following issue on: HEAD commit: 4d349ee5c778 Merge tag 'arm64-fixes'

Mar 4

Mar 4

[syzbot] [kernel?] WARNING in __static_key_slow_dec_cpuslocked (3)

Hello, syzbot found the following issue on: HEAD commit: 4d310797262f Merge tag 'pm-6.19-rc8'

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[syzbot] [kernel?] WARNING in __static_key_slow_dec_cpuslocked (3)

Hello, syzbot found the following issue on: HEAD commit: 4d310797262f Merge tag 'pm-6.19-rc8'

Mar 4

Mar 4

[syzbot] Monthly xfs report (Mar 2026)

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

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[syzbot] Monthly xfs report (Mar 2026)

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

Mar 4

syzbot, Mateusz Guzik5

Mar 4

[syzbot] [jfs?] KASAN: user-memory-access Write in __destroy_inode

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

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[syzbot] [jfs?] KASAN: user-memory-access Write in __destroy_inode

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

Mar 4

syzbot, … Leon Romanovsky5

Mar 4

[syzbot] [rdma?] kernel BUG in ib_device_get_by_index

On Tue, Mar 03, 2026 at 10:38:17PM +0900, Tetsuo Handa wrote: > On 2026/03/03 4:17, Leon

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[syzbot] [rdma?] kernel BUG in ib_device_get_by_index

On Tue, Mar 03, 2026 at 10:38:17PM +0900, Tetsuo Handa wrote: > On 2026/03/03 4:17, Leon

Mar 4

syzbot, … Vlastimil Babka (SUSE)6

Mar 4

[syzbot] [mm?] [f2fs?] [exfat?] memory leak in __kfree_rcu_sheaf

On 3/4/26 2:30 AM, Harry Yoo wrote: > [+Cc adding Catalin for kmemleak bits] > > On Mon, Mar

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[syzbot] [mm?] [f2fs?] [exfat?] memory leak in __kfree_rcu_sheaf

On 3/4/26 2:30 AM, Harry Yoo wrote: > [+Cc adding Catalin for kmemleak bits] > > On Mon, Mar

Mar 4

syzbot, … Chao Yu5

Mar 4

[syzbot] [fscrypt?] [f2fs?] memory leak in fscrypt_setup_filename

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

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[syzbot] [fscrypt?] [f2fs?] memory leak in fscrypt_setup_filename

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

Mar 4

syzbot, Qing Wang9

Mar 4

[syzbot] [bpf?] [trace?] KASAN: slab-use-after-free Read in bpf_trace_run3 (2)

On Wed, 04 Mar 2026 at 15:53, syzbot <syzbot+9ea7c9...@syzkaller.appspotmail.com>

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[syzbot] [bpf?] [trace?] KASAN: slab-use-after-free Read in bpf_trace_run3 (2)

On Wed, 04 Mar 2026 at 15:53, syzbot <syzbot+9ea7c9...@syzkaller.appspotmail.com>

Mar 4

syzbot, Qing Wang4

Mar 3

[syzbot] [bpf?] [trace?] KASAN: slab-use-after-free Read in bpf_trace_run9

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

unread,

[syzbot] [bpf?] [trace?] KASAN: slab-use-after-free Read in bpf_trace_run9

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

Mar 3

Mar 3

[syzbot] [btrfs?] kernel BUG in btrfs_backref_release_cache (2)

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

unread,

[syzbot] [btrfs?] kernel BUG in btrfs_backref_release_cache (2)

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

Mar 3

Mar 3

[syzbot] [bluetooth?] KASAN: slab-use-after-free Read in skb_pull

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

unread,

[syzbot] [bluetooth?] KASAN: slab-use-after-free Read in skb_pull

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

Mar 3

Mar 3

[syzbot] Monthly ext4 report (Mar 2026)

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

unread,

[syzbot] Monthly ext4 report (Mar 2026)

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

Mar 3

Mar 3

[syzbot] Monthly block report (Mar 2026)

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

unread,

[syzbot] Monthly block report (Mar 2026)

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

Mar 3

Mar 3

[syzbot ci] Re: fs: Move metadata bh tracking from address_space

syzbot ci has tested the following series [v1] fs: Move metadata bh tracking from address_space https

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[syzbot ci] Re: fs: Move metadata bh tracking from address_space

syzbot ci has tested the following series [v1] fs: Move metadata bh tracking from address_space https

Mar 3

Mar 3

[syzbot] [wireless?] WARNING: refcount bug in rsi_91x_deinit

Hello, syzbot found the following issue on: HEAD commit: bb375c251ab4 dt-bindings: usb: st,st-ohci-

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[syzbot] [wireless?] WARNING: refcount bug in rsi_91x_deinit

Hello, syzbot found the following issue on: HEAD commit: bb375c251ab4 dt-bindings: usb: st,st-ohci-

Mar 3

syzbot, Joanne Koong3

Mar 3

[syzbot] [fuse?] KASAN: use-after-free Write in fuse_copy_do

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

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[syzbot] [fuse?] KASAN: use-after-free Write in fuse_copy_do

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

Mar 3

syzbot, Ojaswin Mujoo15

Mar 3

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

syzbot has found a reproducer for the following issue on: HEAD commit: af4e9ef3d784 uaccess: Fix

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

syzbot has found a reproducer for the following issue on: HEAD commit: af4e9ef3d784 uaccess: Fix

Mar 3

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