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Miklos Szeredi 4a7611ad65 fanotify: fix false positive on permission events 
commit 7746e3bd4c upstream.

fsnotify_get_mark_safe() may return false for a mark on an unrelated group,
which results in bypassing the permission check.

Fix by skipping over detached marks that are not in the current group.

CC: stable@vger.kernel.org
Fixes: abc77577a6 ("fsnotify: Provide framework for dropping SRCU lock in ->handle_event")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Link: https://patch.msgid.link/20260410144950.156160-1-mszeredi@redhat.com
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2026-06-01 17:35:21 +02:00
..
acpi ACPICA: Allow address_space_handler Install and _REG execution as 2 separate steps 2026-04-18 10:33:26 +02:00
asm-generic mm/hugetlb: fix excessive IPI broadcasts when unsharing PMD tables using mmu_gather 2026-04-18 10:33:18 +02:00
clocksource x86/hyperv: Fix hv tsc page based sched_clock for hibernation 2025-01-09 13:28:42 +01:00
crypto crypto: algif_aead - Revert to operating out-of-place 2026-04-30 11:24:38 +02:00
drm drm: of: drm_of_panel_bridge_remove(): fix device_node leak 2026-03-04 07:20:30 -05:00
dt-bindings clk: ti: am43xx: Add clkctrl data for am43xx ADC1 2025-07-10 15:57:35 +02:00
keys KEYS: trusted: allow use of kernel RNG for key material 2023-10-19 23:05:33 +02:00
kunit kunit: fix kernel-doc warnings due to mismatched arg names 2021-10-06 17:54:07 -06:00
kvm KVM: arm64: vgic-v4: Make the doorbell request robust w.r.t preemption 2024-07-05 09:14:51 +02:00
linux fanotify: fix false positive on permission events 2026-06-01 17:35:21 +02:00
math-emu math-emu: Fix fall-through warning 2021-07-13 13:57:44 -05:00
media media: dvb-core: dmxdevfilter must always flush bufs 2026-03-04 07:20:01 -05:00
memory memory: renesas-rpc-if: Fix HF/OSPI data transfer in Manual Mode 2022-05-09 09:14:34 +02:00
misc ocxl: Update the Process Element Entry 2020-12-04 01:01:30 +11:00
net Bluetooth: hci_core: Fix use-after-free in vhci_flush() 2026-06-01 17:35:09 +02:00
pcmcia pcmcia: Replace zero-length array with flexible-array 2020-05-18 10:28:31 +02:00
ras Revert "mm/memory-failure.c: fix race with changing page compound again" 2022-07-12 16:35:17 +02:00
rdma RDMA/core: add rdma_rw_max_sge() helper for SQ sizing 2026-03-04 07:19:43 -05:00
scsi scsi: libsas: Add sas_task_find_rq() 2025-10-19 16:21:40 +02:00
soc soc: qcom: rpmh-rsc: Enhance check for VRM in-flight request 2024-06-16 13:39:55 +02:00
sound ASoC: core: Do not call link_exit() on uninitialized rtd objects 2026-04-18 10:33:12 +02:00
target scsi: target: Fix multiple LUN_RESET handling 2023-05-11 23:00:26 +09:00
trace rxrpc: Fix recvmsg() unconditional requeue 2026-06-01 17:35:11 +02:00
uapi netfilter: ctnetlink: use netlink policy range checks 2026-04-18 10:33:25 +02:00
vdso time64.h: Consolidated PSEC_PER_SEC definition 2021-04-06 16:32:17 -07:00
video fbdev: udlfb: add vm_ops to dlfb_ops_mmap to prevent use-after-free 2026-06-01 17:35:19 +02:00
xen xen: replace xen_remap() with memremap() 2025-07-17 18:30:48 +02:00