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

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2:34 AM

[syzbot] [block?] WARNING in wbt_init_enable_default

Hello, syzbot found the following issue on: HEAD commit: b927546677c8 Merge tag 'dma-mapping-6.19

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[syzbot] [block?] WARNING in wbt_init_enable_default

Hello, syzbot found the following issue on: HEAD commit: b927546677c8 Merge tag 'dma-mapping-6.19

2:34 AM

syzbot, Prithvi Tambewagh5

2:03 AM

[syzbot] [fs?] memory leak in getname_flags

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

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[syzbot] [fs?] memory leak in getname_flags

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

2:03 AM

Dec 24

[syzbot] [bluetooth?] WARNING: locking bug in l2cap_unregister_user

Hello, syzbot found the following issue on: HEAD commit: 8f0b4cce4481 Linux 6.19-rc1 git tree: git://

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[syzbot] [bluetooth?] WARNING: locking bug in l2cap_unregister_user

Hello, syzbot found the following issue on: HEAD commit: 8f0b4cce4481 Linux 6.19-rc1 git tree: git://

Dec 24

Dec 24

[syzbot] [bluetooth?] WARNING in hci_connect_sco

Hello, syzbot found the following issue on: HEAD commit: d8ba32c5a460 Merge tag 'block-6.19-

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[syzbot] [bluetooth?] WARNING in hci_connect_sco

Hello, syzbot found the following issue on: HEAD commit: d8ba32c5a460 Merge tag 'block-6.19-

Dec 24

syzbot, Edward Adam Davis2

Dec 24

[syzbot] [tls?] general protection fault in handshake_complete

When retrieving the next request that has not yet completed the three-way handshake, a null pointer

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[syzbot] [tls?] general protection fault in handshake_complete

When retrieving the next request that has not yet completed the three-way handshake, a null pointer

Dec 24

Dec 24

[syzbot] [dri?] WARNING in drm_crtc_wait_one_vblank

Hello, syzbot found the following issue on: HEAD commit: cc3aa43b44bd Add linux-next specific files

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[syzbot] [dri?] WARNING in drm_crtc_wait_one_vblank

Hello, syzbot found the following issue on: HEAD commit: cc3aa43b44bd Add linux-next specific files

Dec 24

Dec 24

[syzbot] [overlayfs?] WARNING in end_dirop

Hello, syzbot found the following issue on: HEAD commit: d8ba32c5a460 Merge tag 'block-6.19-

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[syzbot] [overlayfs?] WARNING in end_dirop

Hello, syzbot found the following issue on: HEAD commit: d8ba32c5a460 Merge tag 'block-6.19-

Dec 24

Dec 24

[syzbot] [bcachefs?] kernel BUG in __bch2_trans_commit (3)

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

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[syzbot] [bcachefs?] kernel BUG in __bch2_trans_commit (3)

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

Dec 24

Dec 24

[syzbot] [tomoyo?] [mm?] INFO: rcu detected stall in sys_newfstat (4)

syzbot has found a reproducer for the following issue on: HEAD commit: cc3aa43b44bd Add linux-next

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[syzbot] [tomoyo?] [mm?] INFO: rcu detected stall in sys_newfstat (4)

syzbot has found a reproducer for the following issue on: HEAD commit: cc3aa43b44bd Add linux-next

Dec 24

Dec 24

[syzbot] [overlayfs?] WARNING in ovl_create_real (3)

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

unread,

[syzbot] [overlayfs?] WARNING in ovl_create_real (3)

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

Dec 24

Dec 24

[syzbot] [fs?] kernel BUG in socket

Hello, syzbot found the following issue on: HEAD commit: 92fd6e84175b Add linux-next specific files

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[syzbot] [fs?] kernel BUG in socket

Hello, syzbot found the following issue on: HEAD commit: 92fd6e84175b Add linux-next specific files

Dec 24

syzbot, … Harry Yoo6

Dec 24

[syzbot] [mm?] WARNING in folio_remove_rmap_ptes

On Mon, Dec 22, 2025 at 09:23:17PM -0800, syzbot wrote: > Hello, > > syzbot found the

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[syzbot] [mm?] WARNING in folio_remove_rmap_ptes

On Mon, Dec 22, 2025 at 09:23:17PM -0800, syzbot wrote: > Hello, > > syzbot found the

Dec 24

Dec 24

[syzbot] Monthly rdma report (Dec 2025)

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

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[syzbot] Monthly rdma report (Dec 2025)

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

Dec 24

syzbot, … Barry Song7

Dec 23

[syzbot] [mm?] KMSAN: uninit-value in swap_writeout

> On Wed, Dec 24, 2025 at 2:43 PM Baolin Wang <baoli...@linux.alibaba.com> wrote: >

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[syzbot] [mm?] KMSAN: uninit-value in swap_writeout

> On Wed, Dec 24, 2025 at 2:43 PM Baolin Wang <baoli...@linux.alibaba.com> wrote: >

Dec 23

Dec 23

[syzbot] [fs?] [mm?] WARNING in sched_mm_cid_fork

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

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[syzbot] [fs?] [mm?] WARNING in sched_mm_cid_fork

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

Dec 23

Dec 23

[syzbot] [batman?] INFO: rcu detected stall in batadv_iv_send_outstanding_bat_ogm_packet (6)

syzbot has found a reproducer for the following issue on: HEAD commit: cc3aa43b44bd Add linux-next

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[syzbot] [batman?] INFO: rcu detected stall in batadv_iv_send_outstanding_bat_ogm_packet (6)

syzbot has found a reproducer for the following issue on: HEAD commit: cc3aa43b44bd Add linux-next

Dec 23

syzbot, … Al Viro21

Dec 23

[syzbot] [fs?] [wireless?] general protection fault in simple_recursive_removal (5)

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

unread,

[syzbot] [fs?] [wireless?] general protection fault in simple_recursive_removal (5)

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

Dec 23

syzbot, Hillf Danton5

Dec 23

[syzbot] [pm?] possible deadlock in rpm_suspend

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

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[syzbot] [pm?] possible deadlock in rpm_suspend

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

Dec 23

Dec 23

[syzbot] [ext4?] [ocfs2?] WARNING in __jbd2_log_wait_for_space

syzbot suspects this issue was fixed by commit: commit 93ce0ff117b0c468961d7c296a03ad57e1e8da9f

unread,

[syzbot] [ext4?] [ocfs2?] WARNING in __jbd2_log_wait_for_space

syzbot suspects this issue was fixed by commit: commit 93ce0ff117b0c468961d7c296a03ad57e1e8da9f

Dec 23

Dec 23

[syzbot] [net?] [afs?] INFO: task hung in rxrpc_destroy_all_calls (4)

Hello, syzbot found the following issue on: HEAD commit: 765b233a9b94 Merge tag 'i2c-for-6.19-rc2

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[syzbot] [net?] [afs?] INFO: task hung in rxrpc_destroy_all_calls (4)

Hello, syzbot found the following issue on: HEAD commit: 765b233a9b94 Merge tag 'i2c-for-6.19-rc2

Dec 23

Dec 23

[syzbot] [ocfs2?] kernel BUG in ocfs2_move_extents

syzbot has found a reproducer for the following issue on: HEAD commit: 8f0b4cce4481 Linux 6.19-rc1

unread,

[syzbot] [ocfs2?] kernel BUG in ocfs2_move_extents

syzbot has found a reproducer for the following issue on: HEAD commit: 8f0b4cce4481 Linux 6.19-rc1

Dec 23

Dec 23

[syzbot ci] Re: mm/huge_memory: consolidate order-related checks into folio_check_splittable()

syzbot ci has tested the following series [v2] mm/huge_memory: consolidate order-related checks into

unread,

[syzbot ci] Re: mm/huge_memory: consolidate order-related checks into folio_check_splittable()

syzbot ci has tested the following series [v2] mm/huge_memory: consolidate order-related checks into

Dec 23

Dec 23

[syzbot ci] Re: fuse: compound commands

syzbot ci has tested the following series [v1] fuse: compound commands https://lore.kernel.org/all/

unread,

[syzbot ci] Re: fuse: compound commands

syzbot ci has tested the following series [v1] fuse: compound commands https://lore.kernel.org/all/

Dec 23

Dec 23

[syzbot] [bcachefs?] kernel BUG in bch2_quota_check_limit

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

unread,

[syzbot] [bcachefs?] kernel BUG in bch2_quota_check_limit

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

Dec 23

Dec 23

[syzbot] [overlayfs?] general protection fault in ovl_iterate

syzbot has found a reproducer for the following issue on: HEAD commit: 8f0b4cce4481 Linux 6.19-rc1

unread,

[syzbot] [overlayfs?] general protection fault in ovl_iterate

syzbot has found a reproducer for the following issue on: HEAD commit: 8f0b4cce4481 Linux 6.19-rc1

Dec 23

Dec 23

[syzbot] [nbd?] INFO: task hung in nbd_disconnect_and_put

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

unread,

[syzbot] [nbd?] INFO: task hung in nbd_disconnect_and_put

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

Dec 23

Dec 23

[syzbot ci] Re: bpf: Add value tracking for BPF_DIV

syzbot ci has tested the following series [v2] bpf: Add value tracking for BPF_DIV https://lore.

unread,

[syzbot ci] Re: bpf: Add value tracking for BPF_DIV

syzbot ci has tested the following series [v2] bpf: Add value tracking for BPF_DIV https://lore.

Dec 23

syzbot, … Florian Westphal7

Dec 23

[syzbot] [netfilter?] possible deadlock in nf_tables_dumpreset_obj

Jozsef Kadlecsik <kad...@blackhole.kfki.hu> wrote: > > Not yet sure how to avoid it. >

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[syzbot] [netfilter?] possible deadlock in nf_tables_dumpreset_obj

Jozsef Kadlecsik <kad...@blackhole.kfki.hu> wrote: > > Not yet sure how to avoid it. >

Dec 23

Dec 23

[syzbot] [pm?] KASAN: slab-use-after-free Read in thermal_zone_device_check

Hello, syzbot found the following issue on: HEAD commit: dd9b004b7ff3 Merge tag 'trace-v6.19-rc1

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[syzbot] [pm?] KASAN: slab-use-after-free Read in thermal_zone_device_check

Hello, syzbot found the following issue on: HEAD commit: dd9b004b7ff3 Merge tag 'trace-v6.19-rc1

Dec 23

Dec 23

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

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

unread,

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

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

Dec 23

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