syzkaller-bugs

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

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syzbot, … Greg KH26

2:14 AM

[syzbot] [serial?] KASAN: stack-out-of-bounds Read in sched_show_task

On Sat, Sep 30, 2023 at 07:05:35AM +0800, Edward AD wrote: > On Fri, 29 Sep 2023 08:04:57 +0200

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[syzbot] [serial?] KASAN: stack-out-of-bounds Read in sched_show_task

On Sat, Sep 30, 2023 at 07:05:35AM +0800, Edward AD wrote: > On Fri, 29 Sep 2023 08:04:57 +0200

2:14 AM

syzbot, Hillf Danton5

1:15 AM

[syzbot] [net?] KASAN: slab-use-after-free Read in tls_encrypt_done

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

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[syzbot] [net?] KASAN: slab-use-after-free Read in tls_encrypt_done

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

1:15 AM

syzbot, … duo...@zju.edu.cn7

12:06 AM

[syzbot] [media?] WARNING in smsusb_term_device

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

unread,

[syzbot] [media?] WARNING in smsusb_term_device

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

12:06 AM

syzbot, Hillf Danton5

Sep 29

[syzbot] [f2fs?] possible deadlock in f2fs_release_file

syzbot suspects this issue was fixed by commit: commit 5079e1c0c879311668b77075de3e701869804adf

unread,

[syzbot] [f2fs?] possible deadlock in f2fs_release_file

syzbot suspects this issue was fixed by commit: commit 5079e1c0c879311668b77075de3e701869804adf

Sep 29

Sep 29

[syzbot] [bpf?] WARNING in bpf_mprog_attach

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

unread,

[syzbot] [bpf?] WARNING in bpf_mprog_attach

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

Sep 29

Sep 29

[syzbot] [bpf?] WARNING in bpf_mprog_pos_before

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

unread,

[syzbot] [bpf?] WARNING in bpf_mprog_pos_before

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

Sep 29

syzbot, Hillf Danton6

Sep 29

[syzbot] [wireguard?] INFO: rcu detected stall in wg_ratelimiter_gc_entries (2)

syzbot suspects this issue was fixed by commit: commit da71714e359b64bd7aab3bd56ec53f307f058133

unread,

[syzbot] [wireguard?] INFO: rcu detected stall in wg_ratelimiter_gc_entries (2)

syzbot suspects this issue was fixed by commit: commit da71714e359b64bd7aab3bd56ec53f307f058133

Sep 29

syzbot, Brian Foster7

Sep 29

[syzbot] [ext4?] WARNING in ext4_iomap_begin (2)

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

unread,

[syzbot] [ext4?] WARNING in ext4_iomap_begin (2)

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

Sep 29

Sep 29

[syzbot] [block?] WARNING in __floppy_read_block_0 (2)

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

unread,

[syzbot] [block?] WARNING in __floppy_read_block_0 (2)

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

Sep 29

Sep 29

[syzbot] [batman?] WARNING in batadv_dat_free (2)

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

unread,

[syzbot] [batman?] WARNING in batadv_dat_free (2)

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

Sep 29

Sep 29

[syzbot] [io-uring?] general protection fault in worker_thread (2)

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

unread,

[syzbot] [io-uring?] general protection fault in worker_thread (2)

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

Sep 29

syzbot, Aleksandr Nogikh2

Sep 29

[syzbot] upstream boot error: can't ssh into the instance (15)

On Fri, Sep 29, 2023 at 3:29 PM syzbot <syzbot+be9661...@syzkaller.appspotmail.com>

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[syzbot] upstream boot error: can't ssh into the instance (15)

On Fri, Sep 29, 2023 at 3:29 PM syzbot <syzbot+be9661...@syzkaller.appspotmail.com>

Sep 29

Sep 29

[syzbot] [gfs2?] KASAN: slab-use-after-free Write in gfs2_qd_dealloc

Hello, syzbot found the following issue on: HEAD commit: 6465e260f487 Linux 6.6-rc3 git tree:

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[syzbot] [gfs2?] KASAN: slab-use-after-free Write in gfs2_qd_dealloc

Hello, syzbot found the following issue on: HEAD commit: 6465e260f487 Linux 6.6-rc3 git tree:

Sep 29

Sep 29

[syzbot] [bluetooth?] memory leak in prepare_creds (4)

Hello, syzbot found the following issue on: HEAD commit: 6465e260f487 Linux 6.6-rc3 git tree:

unread,

[syzbot] [bluetooth?] memory leak in prepare_creds (4)

Hello, syzbot found the following issue on: HEAD commit: 6465e260f487 Linux 6.6-rc3 git tree:

Sep 29

syzbot, … Stefan Berger34

Sep 29

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

On 9/29/23 00:25, Amir Goldstein wrote: > On Fri, Sep 29, 2023 at 3:02 AM Stefan Berger <

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

On 9/29/23 00:25, Amir Goldstein wrote: > On Fri, Sep 29, 2023 at 3:02 AM Stefan Berger <

Sep 29

syzbot, … Aleksandr Nogikh3

Sep 29

[syzbot] riscv/fixes test error: BUG: got no coverage: (3)

On Fri, Sep 29, 2023 at 12:56 PM Alexandre Ghiti <al...@ghiti.fr> wrote: > > On 24/09/2023

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[syzbot] riscv/fixes test error: BUG: got no coverage: (3)

On Fri, Sep 29, 2023 at 12:56 PM Alexandre Ghiti <al...@ghiti.fr> wrote: > > On 24/09/2023

Sep 29

Sep 29

[syzbot] [btrfs?] WARNING in btrfs_release_global_block_rsv

Hello, syzbot found the following issue on: HEAD commit: 8a511e7efc5a Merge tag 'for-linus'

unread,

[syzbot] [btrfs?] WARNING in btrfs_release_global_block_rsv

Hello, syzbot found the following issue on: HEAD commit: 8a511e7efc5a Merge tag 'for-linus'

Sep 29

Sep 29

[syzbot] Monthly dccp report (Sep 2023)

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

unread,

[syzbot] Monthly dccp report (Sep 2023)

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

Sep 29

Sep 29

[syzbot] [wireguard?] KCSAN: data-race in wg_socket_send_skb_to_peer / wg_socket_send_skb_to_peer

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

unread,

[syzbot] [wireguard?] KCSAN: data-race in wg_socket_send_skb_to_peer / wg_socket_send_skb_to_peer

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

Sep 29

Sep 29

[syzbot] kernel BUG in btrfs_global_root_delete

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

unread,

[syzbot] kernel BUG in btrfs_global_root_delete

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

Sep 29

Sep 28

[syzbot] [overlayfs?] possible deadlock in ovl_copy_up_start (2)

Hello, syzbot found the following issue on: HEAD commit: 940fcc189c51 Add linux-next specific files

unread,

[syzbot] [overlayfs?] possible deadlock in ovl_copy_up_start (2)

Hello, syzbot found the following issue on: HEAD commit: 940fcc189c51 Add linux-next specific files

Sep 28

syzbot, Hillf Danton4

Sep 28

[syzbot] [kernel?] INFO: rcu detected stall in drain_vmap_area_work

syzbot suspects this issue was fixed by commit: commit 8c21ab1bae945686c602c5bfa4e3f3352c2452c5

unread,

[syzbot] [kernel?] INFO: rcu detected stall in drain_vmap_area_work

syzbot suspects this issue was fixed by commit: commit 8c21ab1bae945686c602c5bfa4e3f3352c2452c5

Sep 28

Sep 28

[syzbot] [wireguard?] KCSAN: data-race in wg_packet_handshake_receive_worker / wg_packet_rx_poll (5)

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

unread,

[syzbot] [wireguard?] KCSAN: data-race in wg_packet_handshake_receive_worker / wg_packet_rx_poll (5)

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

Sep 28

syzbot, Theodore Ts'o7

Sep 28

[syzbot] kernel BUG in ext4_do_writepages

This bug is marked as fixed by commit: ext4: fix race condition between buffer write and page_mkwrite

unread,

[syzbot] kernel BUG in ext4_do_writepages

This bug is marked as fixed by commit: ext4: fix race condition between buffer write and page_mkwrite

Sep 28

Sep 28

[syzbot] BUG: unable to handle kernel NULL pointer dereference in nilfs_segctor_do_construct

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

unread,

[syzbot] BUG: unable to handle kernel NULL pointer dereference in nilfs_segctor_do_construct

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

Sep 28

Sep 28

[syzbot] [block?] possible deadlock in bd_prepare_to_claim

Hello, syzbot found the following issue on: HEAD commit: 8a511e7efc5a Merge tag 'for-linus'

unread,

[syzbot] [block?] possible deadlock in bd_prepare_to_claim

Hello, syzbot found the following issue on: HEAD commit: 8a511e7efc5a Merge tag 'for-linus'

Sep 28

Andrew Kanner, syzbot2

Sep 28

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

unread,

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

Sep 28

Sep 28

[syzbot] [ntfs3?] WARNING in pivot_root

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

unread,

[syzbot] [ntfs3?] WARNING in pivot_root

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

Sep 28

Sep 28

Re: [syzbot] [ntfs3?] INFO: task hung in ni_readpage_cmpr

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

unread,

Re: [syzbot] [ntfs3?] INFO: task hung in ni_readpage_cmpr

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

Sep 28

Sep 28

Re: memory leak in wnd_init

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

unread,

Re: memory leak in wnd_init

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

Sep 28

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