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

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syzbot, … Benjamin Tissoires17

4:40 AM

[syzbot] [input?] [usb?] UBSAN: shift-out-of-bounds in s32ton (2)

On Jul 19 2025, Benjamin Tissoires wrote: > On Jul 17 2025, Alan Stern wrote: > > Testing by

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[syzbot] [input?] [usb?] UBSAN: shift-out-of-bounds in s32ton (2)

On Jul 19 2025, Benjamin Tissoires wrote: > On Jul 17 2025, Alan Stern wrote: > > Testing by

4:40 AM

4:21 AM

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

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

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

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

4:21 AM

syzbot, Kent Overstreet3

Jul 18

[syzbot] [bcachefs?] kernel BUG in bch2_btree_node_iter_init (2)

#syz fix: bcachefs: Don't build aux search tree when still repairing node

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[syzbot] [bcachefs?] kernel BUG in bch2_btree_node_iter_init (2)

#syz fix: bcachefs: Don't build aux search tree when still repairing node

Jul 18

syzbot, Kent Overstreet3

Jul 18

[syzbot] [bcachefs?] kernel BUG in bch2_btree_path_level_init (3)

#syz fix: bcachefs: Don't build aux search tree when still repairing node

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[syzbot] [bcachefs?] kernel BUG in bch2_btree_path_level_init (3)

#syz fix: bcachefs: Don't build aux search tree when still repairing node

Jul 18

syzbot, Kent Overstreet5

Jul 18

[syzbot] [bcachefs?] KASAN: slab-use-after-free Write in bch2_get_next_dev

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

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[syzbot] [bcachefs?] KASAN: slab-use-after-free Write in bch2_get_next_dev

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

Jul 18

Jul 18

[syzbot] [bcachefs?] BUG: unable to handle kernel paging request in __bch2_btree_node_write

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

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[syzbot] [bcachefs?] BUG: unable to handle kernel paging request in __bch2_btree_node_write

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

Jul 18

syzbot, Kent Overstreet3

Jul 18

[syzbot] [bcachefs?] WARNING in bch2_dev_free (2)

Fixed version is now in linux-next... #syz fix: bcachefs: Fix __bch2_fs_read_write() error path

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[syzbot] [bcachefs?] WARNING in bch2_dev_free (2)

Fixed version is now in linux-next... #syz fix: bcachefs: Fix __bch2_fs_read_write() error path

Jul 18

Jul 18

[syzbot] [bcachefs?] kernel BUG in bch2_btree_node_iter_init_from_start

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_btree_node_iter_init_from_start

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

Jul 18

syzbot, … Johannes Berg4

Jul 18

[syzbot] [crypto?] BUG: unable to handle kernel paging request in ieee80211_wep_encrypt

On Fri, 2025-07-18 at 17:57 +0200, Johannes Berg wrote: > On Fri, 2025-07-18 at 07:50 -0700, Eric

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[syzbot] [crypto?] BUG: unable to handle kernel paging request in ieee80211_wep_encrypt

On Fri, 2025-07-18 at 17:57 +0200, Johannes Berg wrote: > On Fri, 2025-07-18 at 07:50 -0700, Eric

Jul 18

syzbot, Kent Overstreet3

Jul 18

[syzbot] [bcachefs?] BUG: unable to handle kernel NULL pointer dereference in mempool_alloc_noprof (2)

On Sat, May 31, 2025 at 11:06:28PM -0700, syzbot wrote: > Hello, > > syzbot found the

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[syzbot] [bcachefs?] BUG: unable to handle kernel NULL pointer dereference in mempool_alloc_noprof (2)

On Sat, May 31, 2025 at 11:06:28PM -0700, syzbot wrote: > Hello, > > syzbot found the

Jul 18

syzbot, Kent Overstreet3

Jul 18

[syzbot] [bcachefs?] kernel BUG in bch2_printbuf_exit

On Thu, Jul 17, 2025 at 12:13:32PM -0700, syzbot wrote: > Hello, > > syzbot found the

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[syzbot] [bcachefs?] kernel BUG in bch2_printbuf_exit

On Thu, Jul 17, 2025 at 12:13:32PM -0700, syzbot wrote: > Hello, > > syzbot found the

Jul 18

Jul 18

[syzbot] [net?] WARNING in dst_cache_per_cpu_get

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

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[syzbot] [net?] WARNING in dst_cache_per_cpu_get

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

Jul 18

syzbot, … Hillf Danton13

Jul 18

[syzbot] [mm?] KASAN: slab-use-after-free Read in mas_next_slot (2)

On Fri, 18 Jul 2025 12:08:44 +0100 Lorenzo Stoakes wrote: > > Go away Hillf. > Are you paid

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[syzbot] [mm?] KASAN: slab-use-after-free Read in mas_next_slot (2)

On Fri, 18 Jul 2025 12:08:44 +0100 Lorenzo Stoakes wrote: > > Go away Hillf. > Are you paid

Jul 18

Jul 18

[syzbot] [batman?] [mm?] [ext4?] INFO: rcu detected stall in rescuer_thread

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

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[syzbot] [batman?] [mm?] [ext4?] INFO: rcu detected stall in rescuer_thread

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

Jul 18

syzbot, … Florian Westphal6

Jul 18

[syzbot] [netfilter?] KASAN: slab-out-of-bounds Read in nfacct_mt_checkentry

BUG: KASAN: slab-out-of-bounds in .. lib/vsprintf.c:721 Read of size 1 at addr ffff88801eac95c8 by

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[syzbot] [netfilter?] KASAN: slab-out-of-bounds Read in nfacct_mt_checkentry

BUG: KASAN: slab-out-of-bounds in .. lib/vsprintf.c:721 Read of size 1 at addr ffff88801eac95c8 by

Jul 18

syzbot, I Hsin Cheng3

Jul 18

[syzbot] [fs?] WARNING in minix_rename

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

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[syzbot] [fs?] WARNING in minix_rename

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

Jul 18

Jul 17

[syzbot] [bcachefs?] INFO: task hung in bch2_run_recovery_passes

Hello, syzbot found the following issue on: HEAD commit: aaef6f251176 Merge branches 'for-next/

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[syzbot] [bcachefs?] INFO: task hung in bch2_run_recovery_passes

Hello, syzbot found the following issue on: HEAD commit: aaef6f251176 Merge branches 'for-next/

Jul 17

syzbot, … Theodore Ts'o7

Jul 17

[syzbot] [ext4?] kernel BUG in ext4_update_inline_data

On Thu, Jul 17, 2025 at 09:59:13AM -0700, Moon Hee Lee wrote: > The current patch addresses

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[syzbot] [ext4?] kernel BUG in ext4_update_inline_data

On Thu, Jul 17, 2025 at 09:59:13AM -0700, Moon Hee Lee wrote: > The current patch addresses

Jul 17

syzbot, Ard Biesheuvel5

Jul 17

[syzbot] [crypto?] KASAN: use-after-free Read in crypto_poly1305_update

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

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[syzbot] [crypto?] KASAN: use-after-free Read in crypto_poly1305_update

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

Jul 17

Jul 17

[syzbot] [kernel?] KMSAN: kernel-infoleak in do_insn_ioctl

Hello, syzbot found the following issue on: HEAD commit: e2291551827f Merge tag 'probes-fixes-v6.

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[syzbot] [kernel?] KMSAN: kernel-infoleak in do_insn_ioctl

Hello, syzbot found the following issue on: HEAD commit: e2291551827f Merge tag 'probes-fixes-v6.

Jul 17

Jul 17

[syzbot] [mm?] BUG: unable to handle kernel paging request in move_pages

Hello, syzbot found the following issue on: HEAD commit: e8352908bdcd Add linux-next specific files

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[syzbot] [mm?] BUG: unable to handle kernel paging request in move_pages

Hello, syzbot found the following issue on: HEAD commit: e8352908bdcd Add linux-next specific files

Jul 17

Jul 17

[syzbot] [netfilter?] [sctp?] BUG: assuming non migratable context at ./include/linux/filter.h:LINE

Hello, syzbot found the following issue on: HEAD commit: 155a3c003e55 Merge tag 'for-6.16/dm-

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[syzbot] [netfilter?] [sctp?] BUG: assuming non migratable context at ./include/linux/filter.h:LINE

Hello, syzbot found the following issue on: HEAD commit: 155a3c003e55 Merge tag 'for-6.16/dm-

Jul 17

syzbot, … Shakeel Butt14

Jul 17

[syzbot] [cgroups?] WARNING in css_rstat_exit

On Thu, Jul 17, 2025 at 03:28:27PM +0200, Michal Koutný wrote: > Thanks for looking into this JP.

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[syzbot] [cgroups?] WARNING in css_rstat_exit

On Thu, Jul 17, 2025 at 03:28:27PM +0200, Michal Koutný wrote: > Thanks for looking into this JP.

Jul 17

Jul 17

[syzbot] [wireless?] WARNING in drv_set_tsf

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

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[syzbot] [wireless?] WARNING in drv_set_tsf

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

Jul 17

Jul 17

[syzbot] [lsm?] INFO: rcu detected stall in msr_read (2)

Hello, syzbot found the following issue on: HEAD commit: 3f31a806a62e Merge tag 'mm-hotfixes-

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[syzbot] [lsm?] INFO: rcu detected stall in msr_read (2)

Hello, syzbot found the following issue on: HEAD commit: 3f31a806a62e Merge tag 'mm-hotfixes-

Jul 17

syzbot, Sean Christopherson2

Jul 17

[syzbot] [kvm-x86?] WARNING in kvm_arch_vcpu_ioctl_run (6)

On Thu, Jul 17, 2025, syzbot wrote: > Hello, > > syzbot found the following issue on: >

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[syzbot] [kvm-x86?] WARNING in kvm_arch_vcpu_ioctl_run (6)

On Thu, Jul 17, 2025, syzbot wrote: > Hello, > > syzbot found the following issue on: >

Jul 17

Jul 17

[syzbot] [kernel?] WARNING in comedi_compat_ioctl

Hello, syzbot found the following issue on: HEAD commit: 3f31a806a62e Merge tag 'mm-hotfixes-

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[syzbot] [kernel?] WARNING in comedi_compat_ioctl

Hello, syzbot found the following issue on: HEAD commit: 3f31a806a62e Merge tag 'mm-hotfixes-

Jul 17

Jul 17

[syzbot] [wireless?] WARNING in __ieee80211_start_scan

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

unread,

[syzbot] [wireless?] WARNING in __ieee80211_start_scan

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

Jul 17

Jul 17

[syzbot] [kernel?] UBSAN: shift-out-of-bounds in comedi_device_attach

Hello, syzbot found the following issue on: HEAD commit: 155a3c003e55 Merge tag 'for-6.16/dm-

unread,

[syzbot] [kernel?] UBSAN: shift-out-of-bounds in comedi_device_attach

Hello, syzbot found the following issue on: HEAD commit: 155a3c003e55 Merge tag 'for-6.16/dm-

Jul 17

syzbot, … Stephen Smalley12

Jul 17

[syzbot] [overlayfs?] WARNING in ovl_listxattr

syzbot suspects this issue was fixed by commit: commit 800d0b9b6a8b1b354637b4194cc167ad1ce2bdd3

unread,

[syzbot] [overlayfs?] WARNING in ovl_listxattr

syzbot suspects this issue was fixed by commit: commit 800d0b9b6a8b1b354637b4194cc167ad1ce2bdd3

Jul 17

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