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

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6:05 AM

[syzbot] [fs?] [mm?] INFO: rcu detected stall in kswapd (4)

Hello, syzbot found the following issue on: HEAD commit: 551c722f4080 Merge tag 'rtc-7.3-fixes

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[syzbot] [fs?] [mm?] INFO: rcu detected stall in kswapd (4)

Hello, syzbot found the following issue on: HEAD commit: 551c722f4080 Merge tag 'rtc-7.3-fixes

6:05 AM

2:03 AM

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

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

unread,

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

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

2:03 AM

1:28 AM

[syzbot] [pm?] kernel BUG in mark_free_pages

Hello, syzbot found the following issue on: HEAD commit: 6addb4f38557 Merge tag '

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[syzbot] [pm?] kernel BUG in mark_free_pages

Hello, syzbot found the following issue on: HEAD commit: 6addb4f38557 Merge tag '

1:28 AM

1:17 AM

[syzbot] [media?] [usb?] WARNING in smsusb_term_device (2)

Hello, syzbot found the following issue on: HEAD commit: 6addb4f38557 Merge tag '

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[syzbot] [media?] [usb?] WARNING in smsusb_term_device (2)

Hello, syzbot found the following issue on: HEAD commit: 6addb4f38557 Merge tag '

1:17 AM

syzbot, Doruk Tan Ozturk5

12:34 AM

[syzbot] [wireless?] [usb?] KASAN: stack-out-of-bounds Write in carl9170_handle_command_response

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

unread,

[syzbot] [wireless?] [usb?] KASAN: stack-out-of-bounds Write in carl9170_handle_command_response

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

12:34 AM

syzbot, Sean Christopherson2

Oct 4

[syzbot] [kvm?] WARNING in kvm_vcpu_pre_fault_memory

On Sun, Oct 04, 2026, syzbot wrote: > Hello, > > syzbot found the following issue on: >

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[syzbot] [kvm?] WARNING in kvm_vcpu_pre_fault_memory

On Sun, Oct 04, 2026, syzbot wrote: > Hello, > > syzbot found the following issue on: >

Oct 4

Adriano Cordova, syzbot6

Oct 4

[PATCH] ext4: don't append a directory block already mapped in the inode

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

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[PATCH] ext4: don't append a directory block already mapped in the inode

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

Oct 4

Oct 4

[syzbot] [bfs?] WARNING in bfs_write_inode

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

unread,

[syzbot] [bfs?] WARNING in bfs_write_inode

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

Oct 4

Oct 4

[syzbot ci] Re: bpf: use scalar evolution to widen bounded loops

syzbot ci has tested the following series [v2] bpf: use scalar evolution to widen bounded loops https

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[syzbot ci] Re: bpf: use scalar evolution to widen bounded loops

syzbot ci has tested the following series [v2] bpf: use scalar evolution to widen bounded loops https

Oct 4

Nguyen Ngoc Thang, Pablo Neira Ayuso2

Oct 4

[PATCH nf] netfilter: nft_synproxy: only handle pure SYN and ACK packets

On Sun, Oct 04, 2026 at 11:06:15PM +0700, Nguyen Ngoc Thang wrote: > nft_synproxy treats any

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[PATCH nf] netfilter: nft_synproxy: only handle pure SYN and ACK packets

On Sun, Oct 04, 2026 at 11:06:15PM +0700, Nguyen Ngoc Thang wrote: > nft_synproxy treats any

Oct 4

syzbot, Nguyen Ngoc Thang4

Oct 4

[syzbot] [usb?] INFO: task hung in usbdev_ioctl (8)

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

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[syzbot] [usb?] INFO: task hung in usbdev_ioctl (8)

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

Oct 4

syzbot, Nguyen Ngoc Thang4

Oct 4

[syzbot] [media?] general protection fault in friio_streaming_ctrl

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

unread,

[syzbot] [media?] general protection fault in friio_streaming_ctrl

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

Oct 4

Oct 4

[syzbot] Monthly mmc report (Oct 2026)

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

unread,

[syzbot] Monthly mmc report (Oct 2026)

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

Oct 4

Oct 3

[syzbot] [perf?] WARNING in perf_event_throttle_group

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

unread,

[syzbot] [perf?] WARNING in perf_event_throttle_group

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

Oct 3

Oct 3

[syzbot] [lsm?] general protection fault in smack_inode_permission (4)

Hello, syzbot found the following issue on: HEAD commit: ce1e0223d8ad Merge tag 'devicetree-fixes

unread,

[syzbot] [lsm?] general protection fault in smack_inode_permission (4)

Hello, syzbot found the following issue on: HEAD commit: ce1e0223d8ad Merge tag 'devicetree-fixes

Oct 3

Oct 3

[syzbot] [rdma?] KASAN: slab-use-after-free Read in debug_mutex_unlock

Hello, syzbot found the following issue on: HEAD commit: 48a5a7ab8d6a Merge tag 'v7.2-rc4-smb3-

unread,

[syzbot] [rdma?] KASAN: slab-use-after-free Read in debug_mutex_unlock

Hello, syzbot found the following issue on: HEAD commit: 48a5a7ab8d6a Merge tag 'v7.2-rc4-smb3-

Oct 3

Oct 3

[syzbot] [nfc?] INFO: task hung in port100_get_command_type_mask (4)

Hello, syzbot found the following issue on: HEAD commit: e767a4ea70a3 Merge tag 'probes-fixes-v7.

unread,

[syzbot] [nfc?] INFO: task hung in port100_get_command_type_mask (4)

Hello, syzbot found the following issue on: HEAD commit: e767a4ea70a3 Merge tag 'probes-fixes-v7.

Oct 3

Oct 3

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

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

unread,

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

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

Oct 3

Oct 3

[syzbot] [ecryptfs?] KASAN: slab-out-of-bounds Read in md5_blocks

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

unread,

[syzbot] [ecryptfs?] KASAN: slab-out-of-bounds Read in md5_blocks

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

Oct 3

Oct 3

Re: [syzbot] WARNING in wiphy_delayed_work_cancel

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

unread,

Re: [syzbot] WARNING in wiphy_delayed_work_cancel

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

Oct 3

Oct 3

[syzbot] WARNING in wiphy_delayed_work_cancel

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

unread,

[syzbot] WARNING in wiphy_delayed_work_cancel

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

Oct 3

syzbot, … David Howells11

Oct 3

[syzbot] [afs?] INFO: task hung in afs_cell_purge (2)

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

unread,

[syzbot] [afs?] INFO: task hung in afs_cell_purge (2)

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

Oct 3

Oct 3

Re: [syzbot] [btrfs?] WARNING in btrfs_init_new_device

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

unread,

Re: [syzbot] [btrfs?] WARNING in btrfs_init_new_device

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

Oct 3

Oct 3

[syzbot] [btrfs?] WARNING in btrfs_init_new_device

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

unread,

[syzbot] [btrfs?] WARNING in btrfs_init_new_device

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

Oct 3

Oct 3

[syzbot ci] Re: iommupt: Introduce IO page table shrinker

syzbot ci has tested the following series [v1] iommupt: Introduce IO page table shrinker https://lore

unread,

[syzbot ci] Re: iommupt: Introduce IO page table shrinker

syzbot ci has tested the following series [v1] iommupt: Introduce IO page table shrinker https://lore

Oct 3

Oct 3

[syzbot] Monthly raid report (Oct 2026)

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

unread,

[syzbot] Monthly raid report (Oct 2026)

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

Oct 3

Oct 3

[syzbot] Monthly lsm report (Oct 2026)

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

unread,

[syzbot] Monthly lsm report (Oct 2026)

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

Oct 3

Oct 2

[syzbot] [ocfs2?] WARNING: locking bug in ocfs2_inode_lock_full_nested (3)

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

unread,

[syzbot] [ocfs2?] WARNING: locking bug in ocfs2_inode_lock_full_nested (3)

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

Oct 2

Oct 2

[syzbot] [kernel?] possible deadlock in mtrr_del_page

Hello, syzbot found the following issue on: HEAD commit: 72d3fcf802c4 Linux 7.3-rc5 git tree:

unread,

[syzbot] [kernel?] possible deadlock in mtrr_del_page

Hello, syzbot found the following issue on: HEAD commit: 72d3fcf802c4 Linux 7.3-rc5 git tree:

Oct 2

Oct 2

[syzbot] [wireless?] KASAN: slab-use-after-free Read in tasklet_action_common

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

unread,

[syzbot] [wireless?] KASAN: slab-use-after-free Read in tasklet_action_common

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

Oct 2

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