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

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7:32 AM

[syzbot] [net?] INFO: task hung in netdev_rx_mode_work

Hello, syzbot found the following issue on: HEAD commit: 390d73adf896 Merge tag 'for-v7.2' of

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[syzbot] [net?] INFO: task hung in netdev_rx_mode_work

Hello, syzbot found the following issue on: HEAD commit: 390d73adf896 Merge tag 'for-v7.2' of

7:32 AM

syzbot, … Alexander Potapenko15

5:38 AM

[syzbot] [kernel?] upstream test error: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt

> > Hi Thomas, > > I have a draft Clang patch implementing the following intrinsics at

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[syzbot] [kernel?] upstream test error: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt

> > Hi Thomas, > > I have a draft Clang patch implementing the following intrinsics at

5:38 AM

3:42 AM

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

syzbot has found a reproducer for the following issue on: HEAD commit: b85966adbf5d Merge tag '

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

syzbot has found a reproducer for the following issue on: HEAD commit: b85966adbf5d Merge tag '

3:42 AM

2:59 AM

[syzbot] [trace?] general protection fault in mtree_load

Hello, syzbot found the following issue on: HEAD commit: 6b5a2b7d9bc1 Merge tag 'trace-tools-v7.2

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[syzbot] [trace?] general protection fault in mtree_load

Hello, syzbot found the following issue on: HEAD commit: 6b5a2b7d9bc1 Merge tag 'trace-tools-v7.2

2:59 AM

syzbot, Doruk Tan Ozturk4

2:57 AM

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

#syz test diff --git a/drivers/net/wireless/ath/carl9170/rx.cb/drivers/net/wireless/ath/carl9170/rx.c

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

#syz test diff --git a/drivers/net/wireless/ath/carl9170/rx.cb/drivers/net/wireless/ath/carl9170/rx.c

2:57 AM

2:57 AM

[PATCH] media: dvb-usb: dib0700: reject zero-length I2C reads

Reject zero-length I2C read requests in the legacy dib0700 I2C transfer path. A zero-length read is

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[PATCH] media: dvb-usb: dib0700: reject zero-length I2C reads

Reject zero-length I2C read requests in the legacy dib0700 I2C transfer path. A zero-length read is

2:57 AM

2:57 AM

[PATCH v2] media: cec: disable delayed work before freeing an interrupted transmit

cec_transmit_msg_fh() drops adap->lock to wait for a blocking transmit in

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[PATCH v2] media: cec: disable delayed work before freeing an interrupted transmit

cec_transmit_msg_fh() drops adap->lock to wait for a blocking transmit in

2:57 AM

2:23 AM

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

Hello, syzbot found the following issue on: HEAD commit: 1a3746ccbb0a Merge tag 'strncpy-removal-

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

Hello, syzbot found the following issue on: HEAD commit: 1a3746ccbb0a Merge tag 'strncpy-removal-

2:23 AM

1:36 AM

[syzbot] [arch?] [mm?] BUG: sleeping function called from invalid context in tlb_flush_mmu

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

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[syzbot] [arch?] [mm?] BUG: sleeping function called from invalid context in tlb_flush_mmu

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

1:36 AM

1:14 AM

[syzbot] [jfs?] WARNING in dbJoin

syzbot has found a reproducer for the following issue on: HEAD commit: 8cd8cf7a07e5 Merge tag '

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[syzbot] [jfs?] WARNING in dbJoin

syzbot has found a reproducer for the following issue on: HEAD commit: 8cd8cf7a07e5 Merge tag '

1:14 AM

12:32 AM

[syzbot] Monthly bpf report (Jun 2026)

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

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[syzbot] Monthly bpf report (Jun 2026)

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

12:32 AM

Jun 21

[syzbot] [nbd?] WARNING in nbd_add_socket

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

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[syzbot] [nbd?] WARNING in nbd_add_socket

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

Jun 21

Jun 21

[syzbot] [bluetooth?] INFO: trying to register non-static key in l2cap_unregister_user

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

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[syzbot] [bluetooth?] INFO: trying to register non-static key in l2cap_unregister_user

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

Jun 21

Jun 21

[syzbot] Monthly exfat report (Jun 2026)

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

unread,

[syzbot] Monthly exfat report (Jun 2026)

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

Jun 21

Jun 21

Re: [syzbot] [usb?] WARNING in dib0700_ctrl_rd/usb_submit_urb

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

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Re: [syzbot] [usb?] WARNING in dib0700_ctrl_rd/usb_submit_urb

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

Jun 21

Jun 21

[syzbot] [usb?] WARNING in dib0700_ctrl_rd/usb_submit_urb

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

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[syzbot] [usb?] WARNING in dib0700_ctrl_rd/usb_submit_urb

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

Jun 21

Jun 21

[syzbot] [ocfs2?] general protection fault in ocfs2_evict_inode (3)

Hello, syzbot found the following issue on: HEAD commit: 1a3746ccbb0a Merge tag 'strncpy-removal-

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[syzbot] [ocfs2?] general protection fault in ocfs2_evict_inode (3)

Hello, syzbot found the following issue on: HEAD commit: 1a3746ccbb0a Merge tag 'strncpy-removal-

Jun 21

Jun 21

[syzbot] [net?] WARNING in __ethtool_get_link_ksettings

Hello, syzbot found the following issue on: HEAD commit: 4fa3f5fabb30 Add linux-next specific files

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[syzbot] [net?] WARNING in __ethtool_get_link_ksettings

Hello, syzbot found the following issue on: HEAD commit: 4fa3f5fabb30 Add linux-next specific files

Jun 21

syzbot, Thomas Gleixner3

Jun 21

[syzbot] [kernel?] WARNING in stub_timer (2)

syzbot reported a puzzling splat: WARNING: kernel/time/hrtimer.c:443 at stub_timer+0xa/0x20

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[syzbot] [kernel?] WARNING in stub_timer (2)

syzbot reported a puzzling splat: WARNING: kernel/time/hrtimer.c:443 at stub_timer+0xa/0x20

Jun 21

Jun 21

[syzbot] [jfs?] UBSAN: array-index-out-of-bounds in diAllocBit

syzbot has found a reproducer for the following issue on: HEAD commit: 390d73adf896 Merge tag '

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[syzbot] [jfs?] UBSAN: array-index-out-of-bounds in diAllocBit

syzbot has found a reproducer for the following issue on: HEAD commit: 390d73adf896 Merge tag '

Jun 21

Jun 21

[syzbot] [udf?] WARNING in udf_open_lvid

syzbot has found a reproducer for the following issue on: HEAD commit: 390d73adf896 Merge tag '

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[syzbot] [udf?] WARNING in udf_open_lvid

syzbot has found a reproducer for the following issue on: HEAD commit: 390d73adf896 Merge tag '

Jun 21

Jun 20

[syzbot] [udf?] WARNING in udf_free_blocks (3)

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

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[syzbot] [udf?] WARNING in udf_free_blocks (3)

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

Jun 20

Jun 20

[syzbot] [btrfs?] WARNING in btrfs_force_cow_block

Hello, syzbot found the following issue on: HEAD commit: 9ecfb2f7287a Merge tag 'trace-ring-

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[syzbot] [btrfs?] WARNING in btrfs_force_cow_block

Hello, syzbot found the following issue on: HEAD commit: 9ecfb2f7287a Merge tag 'trace-ring-

Jun 20

syzbot, Edward Adam Davis6

Jun 20

[syzbot] [wireless?] BUG: soft lockup in mac80211_hwsim_beacon (2)

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

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[syzbot] [wireless?] BUG: soft lockup in mac80211_hwsim_beacon (2)

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

Jun 20

syzbot, … Jeff Layton13

Jun 20

[syzbot] [fs?] KASAN: slab-use-after-free Read in shrink_dcache_tree

On Thu, 2026-06-18 at 21:59 +0100, Al Viro wrote: > On Thu, Jun 18, 2026 at 08:44:32PM +0200, Jann

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[syzbot] [fs?] KASAN: slab-use-after-free Read in shrink_dcache_tree

On Thu, 2026-06-18 at 21:59 +0100, Al Viro wrote: > On Thu, Jun 18, 2026 at 08:44:32PM +0200, Jann

Jun 20

Jun 20

[syzbot] [io-uring?] WARNING in io_pin_pages (2)

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

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[syzbot] [io-uring?] WARNING in io_pin_pages (2)

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

Jun 20

syzbot, Hillf Danton2

Jun 20

Re: [PATCH] media: cec: cancel delayed work before freeing an interrupted transmit

On Sun, 21 Jun 2026 00:45:13 +0530 Biren Pandya wrote: > If wait_for_completion_killable() is

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Re: [PATCH] media: cec: cancel delayed work before freeing an interrupted transmit

On Sun, 21 Jun 2026 00:45:13 +0530 Biren Pandya wrote: > If wait_for_completion_killable() is

Jun 20

syzbot, Thomas Gleixner2

Jun 20

[syzbot] [kernel?] WARNING: locking bug in __clocksource_register_scale

On Fri, Jun 19 2026 at 22:05, syzbot wrote: > HEAD commit: 5b33fc6492a7 Merge tag 'sched_ext-

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[syzbot] [kernel?] WARNING: locking bug in __clocksource_register_scale

On Fri, Jun 19 2026 at 22:05, syzbot wrote: > HEAD commit: 5b33fc6492a7 Merge tag 'sched_ext-

Jun 20

Jun 20

[syzbot] [mtd?] WARNING in add_mtd_device

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

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[syzbot] [mtd?] WARNING in add_mtd_device

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

Jun 20

Jun 20

[syzbot] Monthly tomoyo report (Jun 2026)

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

unread,

[syzbot] Monthly tomoyo report (Jun 2026)

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

Jun 20

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