Commit Graph

1337221 Commits

Author SHA1 Message Date
Linus Torvalds
a22ea738f4 Merge tag 'sched-urgent-2025-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Ingo Molnar:
 "Fix a sleeping-while-atomic bug caused by a recent optimization
  utilizing static keys that didn't consider that the
  static_key_disable() call could be triggered in atomic context.

  Revert the optimization"

* tag 'sched-urgent-2025-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/clock: Don't define sched_clock_irqtime as static key
2025-03-14 09:56:46 -10:00
Linus Torvalds
28c50999c9 Merge tag 'locking-urgent-2025-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc locking fixes from Ingo Molnar:

 - Restrict the Rust runtime from unintended access to dynamically
   allocated LockClassKeys

 - KernelDoc annotation fix

 - Fix a lock ordering bug in semaphore::up(), related to trying to
   printk() and wake up the console within critical sections

* tag 'locking-urgent-2025-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/semaphore: Use wake_q to wake up processes outside lock critical section
  locking/rtmutex: Use the 'struct' keyword in kernel-doc comment
  rust: lockdep: Remove support for dynamically allocated LockClassKeys
2025-03-14 09:41:36 -10:00
Linus Torvalds
70e23dda38 Merge tag 'core-urgent-2025-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fix from Ingo Molnar:
 "Fix a Sparse false positive warning triggered by no_free_ptr()"

* tag 'core-urgent-2025-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  <linux/cleanup.h>: Allow the passing of both iomem and non-iomem pointers to no_free_ptr()
2025-03-14 09:12:28 -10:00
Linus Torvalds
695caca934 Merge tag 'leds-fixes-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
Pull LED fix from Lee Jones:

 - Fix NULL pointer in STMicroelectronics LED1202 LED support

* tag 'leds-fixes-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds:
  leds: leds-st1202: Fix NULL pointer access on race condition
2025-03-13 22:52:52 -10:00
Linus Torvalds
00ddc3f951 Merge tag 'drm-fixes-2025-03-14' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
 "Regular weekly fixes pull, the usual leaders in amdgpu/xe, a couple of
  i915, and some scattered misc fixes.

  panic:
   - two clippy fixes

  dp_mst
   - locking fix

  atomic:
   - fix redundant DPMS calls

  i915:
   - Do cdclk post plane programming later
   - Bump MMAP_GTT_VERSION: missing indication of partial mmaps support

  xe:
   - Release guc ids before cancelling work
   - Fix new warnings around userptr
   - Temporaritly disable D3Cold on BMG
   - Retry and wait longer for GuC PC to start
   - Remove redundant check in xe_vm_create_ioctl

  amdgpu:
   - GC 12.x DCC fix
   - DC DCE 6.x fix
   - Hibernation fix
   - HPD fix
   - Backlight fixes
   - Color depth fix
   - UAF fix in hdcp_work
   - VCE 2.x fix
   - GC 12.x PTE fix

  amdkfd:
   - Queue eviction fix

  gma500:
   - fix NULL pointer check"

* tag 'drm-fixes-2025-03-14' of https://gitlab.freedesktop.org/drm/kernel: (23 commits)
  drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags
  drm/amd/amdkfd: Evict all queues even HWS remove queue failed
  drm/i915: Increase I915_PARAM_MMAP_GTT_VERSION version to indicate support for partial mmaps
  drm/dp_mst: Fix locking when skipping CSN before topology probing
  drm/amdgpu/vce2: fix ip block reference
  drm/amd/display: Fix slab-use-after-free on hdcp_work
  drm/amd/display: Assign normalized_pix_clk when color depth = 14
  drm/amd/display: Restore correct backlight brightness after a GPU reset
  drm/amd/display: fix default brightness
  drm/amd/display: Disable unneeded hpd interrupts during dm_init
  drm/amd: Keep display off while going into S4
  drm/amd/display: fix missing .is_two_pixels_per_container
  drm/amdgpu/display: Allow DCC for video formats on GFX12
  drm/xe: remove redundant check in xe_vm_create_ioctl()
  drm/atomic: Filter out redundant DPMS calls
  drm/xe/guc_pc: Retry and wait longer for GuC PC start
  drm/xe/pm: Temporarily disable D3Cold on BMG
  drm/i915/cdclk: Do cdclk post plane programming later
  drm/xe/userptr: Fix an incorrect assert
  drm/xe: Release guc ids before cancelling work
  ...
2025-03-13 22:45:25 -10:00
Dave Airlie
d1d77326f5 Merge tag 'drm-xe-fixes-2025-03-13' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
- Release guc ids before cancelling work (Tejas)
- Fix new warnings around userptr (Thomas)
- Temporaritly disable D3Cold on BMG (Rodrigo)
- Retry and wait longer for GuC PC to start (Rodrigo)
- Remove redundant check in xe_vm_create_ioctl (Xin)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z9MJWeIlZPuvXZ_G@intel.com
2025-03-14 13:42:17 +10:00
Dave Airlie
c8a74954cd Merge tag 'drm-intel-fixes-2025-03-13' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes
- Do cdclk post plane programming later (Ville)
- Bump MMAP_GTT_VERSION: missing indication of partial mmaps support (Jose)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z9MG4fH-6Q8dTHE1@intel.com
2025-03-14 12:30:49 +10:00
Linus Torvalds
e3a854b577 Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
 "A few clk driver fixes for Samsung and Qualcomm clk drivers:

   - Suspend on Google GS101 crashes when trying to save some clk
     registers that we shouldn't be saving so we don't do that anymore

   - The PLL lock time was wrong on the Tesla FSD which could lead to
     the PLL never locking

   - Qualcomm's display clk controller on SM8750 was trying to change
     the frequency of a parent clk for the DSI device when it should
     have stopped and adjusted the divider. The failure is that the clk
     frequency was half what was expected, leading to broken display"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: samsung: update PLL locktime for PLL142XX used on FSD platform
  clk: samsung: gs101: fix synchronous external abort in samsung_clk_save()
  clk: qcom: dispcc-sm8750: Drop incorrect CLK_SET_RATE_PARENT on byte intf parent
2025-03-13 15:34:26 -10:00
Linus Torvalds
131c040bbb Merge tag 'bcachefs-2025-03-13' of git://evilpiepirate.org/bcachefs
Pull bcachefs fixes from Kent Overstreet:
 "Roxana caught an unitialized value that might explain some of the
  rebalance weirdness we're still tracking down - cool.

  Otherwise pretty minor"

* tag 'bcachefs-2025-03-13' of git://evilpiepirate.org/bcachefs:
  bcachefs: bch2_get_random_u64_below()
  bcachefs: target_congested -> get_random_u32_below()
  bcachefs: fix tiny leak in bch2_dev_add()
  bcachefs: Make sure trans is unlocked when submitting read IO
  bcachefs: Initialize from_inode members for bch_io_opts
  bcachefs: Fix b->written overflow
2025-03-13 15:10:59 -10:00
Dave Airlie
d703575ade Merge tag 'drm-misc-fixes-2025-03-13' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
A null pointer check for gma500, two clippy fixes for panic, a fix for
an interaction between DPMS and atomic leading to dropped frames, and
a locking fix  for dp_mst

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250313-holistic-clay-moose-fead28@houat
2025-03-14 11:09:40 +10:00
Dave Airlie
385b64321c Merge tag 'amd-drm-fixes-6.14-2025-03-12' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.14-2025-03-12:

amdgpu:
- GC 12.x DCC fix
- DC DCE 6.x fix
- Hibernation fix
- HPD fix
- Backlight fixes
- Color depth fix
- UAF fix in hdcp_work
- VCE 2.x fix
- GC 12.x PTE fix

amdkfd:
- Queue eviction fix

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250312190931.216506-1-alexander.deucher@amd.com
2025-03-14 09:17:33 +10:00
Linus Torvalds
4003c9e787 Merge tag 'net-6.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
 "Including fixes from netfilter, bluetooth and wireless.

  No known regressions outstanding.

  Current release - regressions:

   - wifi: nl80211: fix assoc link handling

   - eth: lan78xx: sanitize return values of register read/write
     functions

  Current release - new code bugs:

   - ethtool: tsinfo: fix dump command

   - bluetooth: btusb: configure altsetting for HCI_USER_CHANNEL

   - eth: mlx5: DR, use the right action structs for STEv3

  Previous releases - regressions:

   - netfilter: nf_tables: make destruction work queue pernet

   - gre: fix IPv6 link-local address generation.

   - wifi: iwlwifi: fix TSO preparation

   - bluetooth: revert "bluetooth: hci_core: fix sleeping function
     called from invalid context"

   - ovs: revert "openvswitch: switch to per-action label counting in
     conntrack"

   - eth:
       - ice: fix switchdev slow-path in LAG
       - bonding: fix incorrect MAC address setting to receive NS
         messages

  Previous releases - always broken:

   - core: prevent TX of unreadable skbs

   - sched: prevent creation of classes with TC_H_ROOT

   - netfilter: nft_exthdr: fix offset with ipv4_find_option()

   - wifi: cfg80211: cancel wiphy_work before freeing wiphy

   - mctp: copy headers if cloned

   - phy: nxp-c45-tja11xx: add errata for TJA112XA/B

   - eth:
       - bnxt: fix kernel panic in the bnxt_get_queue_stats{rx | tx}
       - mlx5: bridge, fix the crash caused by LAG state check"

* tag 'net-6.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (65 commits)
  net: mana: cleanup mana struct after debugfs_remove()
  net/mlx5e: Prevent bridge link show failure for non-eswitch-allowed devices
  net/mlx5: Bridge, fix the crash caused by LAG state check
  net/mlx5: Lag, Check shared fdb before creating MultiPort E-Switch
  net/mlx5: Fix incorrect IRQ pool usage when releasing IRQs
  net/mlx5: HWS, Rightsize bwc matcher priority
  net/mlx5: DR, use the right action structs for STEv3
  Revert "openvswitch: switch to per-action label counting in conntrack"
  net: openvswitch: remove misbehaving actions length check
  selftests: Add IPv6 link-local address generation tests for GRE devices.
  gre: Fix IPv6 link-local address generation.
  netfilter: nft_exthdr: fix offset with ipv4_find_option()
  selftests/tc-testing: Add a test case for DRR class with TC_H_ROOT
  net_sched: Prevent creation of classes with TC_H_ROOT
  ipvs: prevent integer overflow in do_ip_vs_get_ctl()
  selftests: netfilter: skip br_netfilter queue tests if kernel is tainted
  netfilter: nf_conncount: Fully initialize struct nf_conncount_tuple in insert_tree()
  wifi: mac80211: fix MPDU length parsing for EHT 5/6 GHz
  qlcnic: fix memory leak issues in qlcnic_sriov_common.c
  rtase: Fix improper release of ring list entries in rtase_sw_reset
  ...
2025-03-13 07:58:48 -10:00
Linus Torvalds
8f7617f450 Merge tag 'vfs-6.14-rc7.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:

 - Bring in an RCU pathwalk fix for afs. This is brought in as a merge
   from the vfs-6.15.shared.afs branch that needs this commit and other
   trees already depend on it.

 - Fix vboxfs unterminated string handling.

* tag 'vfs-6.14-rc7.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs:
  vboxsf: Add __nonstring annotations for unterminated strings
  afs: Fix afs_atcell_get_link() to handle RCU pathwalk
2025-03-13 07:53:25 -10:00
Kent Overstreet
9c18ea7ffe bcachefs: bch2_get_random_u64_below()
steal the (clever) algorithm from get_random_u32_below()

this fixes a bug where we were passing roundup_pow_of_two() a 64 bit
number - we're squaring device latencies now:

[  +1.681698] ------------[ cut here ]------------
[  +0.000010] UBSAN: shift-out-of-bounds in ./include/linux/log2.h:57:13
[  +0.000011] shift exponent 64 is too large for 64-bit type 'long unsigned int'
[  +0.000011] CPU: 1 UID: 0 PID: 196 Comm: kworker/u32:13 Not tainted 6.14.0-rc6-dave+ #10
[  +0.000012] Hardware name: ASUS System Product Name/PRIME B460I-PLUS, BIOS 1301 07/13/2021
[  +0.000005] Workqueue: events_unbound __bch2_read_endio [bcachefs]
[  +0.000354] Call Trace:
[  +0.000005]  <TASK>
[  +0.000007]  dump_stack_lvl+0x5d/0x80
[  +0.000018]  ubsan_epilogue+0x5/0x30
[  +0.000008]  __ubsan_handle_shift_out_of_bounds.cold+0x61/0xe6
[  +0.000011]  bch2_rand_range.cold+0x17/0x20 [bcachefs]
[  +0.000231]  bch2_bkey_pick_read_device+0x547/0x920 [bcachefs]
[  +0.000229]  __bch2_read_extent+0x1e4/0x18e0 [bcachefs]
[  +0.000241]  ? bch2_btree_iter_peek_slot+0x3df/0x800 [bcachefs]
[  +0.000180]  ? bch2_read_retry_nodecode+0x270/0x330 [bcachefs]
[  +0.000230]  bch2_read_retry_nodecode+0x270/0x330 [bcachefs]
[  +0.000230]  bch2_rbio_retry+0x1fa/0x600 [bcachefs]
[  +0.000224]  ? bch2_printbuf_make_room+0x71/0xb0 [bcachefs]
[  +0.000243]  ? bch2_read_csum_err+0x4a4/0x610 [bcachefs]
[  +0.000278]  bch2_read_csum_err+0x4a4/0x610 [bcachefs]
[  +0.000227]  ? __bch2_read_endio+0x58b/0x870 [bcachefs]
[  +0.000220]  __bch2_read_endio+0x58b/0x870 [bcachefs]
[  +0.000268]  ? try_to_wake_up+0x31c/0x7f0
[  +0.000011]  ? process_one_work+0x176/0x330
[  +0.000008]  process_one_work+0x176/0x330
[  +0.000008]  worker_thread+0x252/0x390
[  +0.000008]  ? __pfx_worker_thread+0x10/0x10
[  +0.000006]  kthread+0xec/0x230
[  +0.000011]  ? __pfx_kthread+0x10/0x10
[  +0.000009]  ret_from_fork+0x31/0x50
[  +0.000009]  ? __pfx_kthread+0x10/0x10
[  +0.000008]  ret_from_fork_asm+0x1a/0x30
[  +0.000012]  </TASK>
[  +0.000046] ---[ end trace ]---

Reported-by: Roland Vet <vet.roland@protonmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-03-13 12:40:22 -04:00
Kent Overstreet
69a5a13a22 bcachefs: target_congested -> get_random_u32_below()
get_random_u32_below() has a better algorithm than bch2_rand_range(),
it just didn't exist at the time.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-03-13 12:39:21 -04:00
Paolo Abeni
2409fa66e2 Merge tag 'nf-25-03-13' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:

====================
Netfilter/IPVS fixes for net

The following patchset contains Netfilter/IPVS fixes for net:

1) Missing initialization of cpu and jiffies32 fields in conncount,
   from Kohei Enju.

2) Skip several tests in case kernel is tainted, otherwise tests bogusly
   report failure too as they also check for tainted kernel,
   from Florian Westphal.

3) Fix a hyphothetical integer overflow in do_ip_vs_get_ctl() leading
   to bogus error logs, from Dan Carpenter.

4) Fix incorrect offset in ipv4 option match in nft_exthdr, from
   Alexey Kashavkin.

netfilter pull request 25-03-13

* tag 'nf-25-03-13' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
  netfilter: nft_exthdr: fix offset with ipv4_find_option()
  ipvs: prevent integer overflow in do_ip_vs_get_ctl()
  selftests: netfilter: skip br_netfilter queue tests if kernel is tainted
  netfilter: nf_conncount: Fully initialize struct nf_conncount_tuple in insert_tree()
====================

Link: https://patch.msgid.link/20250313095636.2186-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-13 15:07:39 +01:00
Shradha Gupta
3e64bb2ae7 net: mana: cleanup mana struct after debugfs_remove()
When on a MANA VM hibernation is triggered, as part of hibernate_snapshot(),
mana_gd_suspend() and mana_gd_resume() are called. If during this
mana_gd_resume(), a failure occurs with HWC creation, mana_port_debugfs
pointer does not get reinitialized and ends up pointing to older,
cleaned-up dentry.
Further in the hibernation path, as part of power_down(), mana_gd_shutdown()
is triggered. This call, unaware of the failures in resume, tries to cleanup
the already cleaned up  mana_port_debugfs value and hits the following bug:

[  191.359296] mana 7870:00:00.0: Shutdown was called
[  191.359918] BUG: kernel NULL pointer dereference, address: 0000000000000098
[  191.360584] #PF: supervisor write access in kernel mode
[  191.361125] #PF: error_code(0x0002) - not-present page
[  191.361727] PGD 1080ea067 P4D 0
[  191.362172] Oops: Oops: 0002 [#1] SMP NOPTI
[  191.362606] CPU: 11 UID: 0 PID: 1674 Comm: bash Not tainted 6.14.0-rc5+ #2
[  191.363292] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 11/21/2024
[  191.364124] RIP: 0010:down_write+0x19/0x50
[  191.364537] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 de cd ff ff 31 c0 ba 01 00 00 00 <f0> 48 0f b1 13 75 16 65 48 8b 05 88 24 4c 6a 48 89 43 08 48 8b 5d
[  191.365867] RSP: 0000:ff45fbe0c1c037b8 EFLAGS: 00010246
[  191.366350] RAX: 0000000000000000 RBX: 0000000000000098 RCX: ffffff8100000000
[  191.366951] RDX: 0000000000000001 RSI: 0000000000000064 RDI: 0000000000000098
[  191.367600] RBP: ff45fbe0c1c037c0 R08: 0000000000000000 R09: 0000000000000001
[  191.368225] R10: ff45fbe0d2b01000 R11: 0000000000000008 R12: 0000000000000000
[  191.368874] R13: 000000000000000b R14: ff43dc27509d67c0 R15: 0000000000000020
[  191.369549] FS:  00007dbc5001e740(0000) GS:ff43dc663f380000(0000) knlGS:0000000000000000
[  191.370213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  191.370830] CR2: 0000000000000098 CR3: 0000000168e8e002 CR4: 0000000000b73ef0
[  191.371557] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  191.372192] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400
[  191.372906] Call Trace:
[  191.373262]  <TASK>
[  191.373621]  ? show_regs+0x64/0x70
[  191.374040]  ? __die+0x24/0x70
[  191.374468]  ? page_fault_oops+0x290/0x5b0
[  191.374875]  ? do_user_addr_fault+0x448/0x800
[  191.375357]  ? exc_page_fault+0x7a/0x160
[  191.375971]  ? asm_exc_page_fault+0x27/0x30
[  191.376416]  ? down_write+0x19/0x50
[  191.376832]  ? down_write+0x12/0x50
[  191.377232]  simple_recursive_removal+0x4a/0x2a0
[  191.377679]  ? __pfx_remove_one+0x10/0x10
[  191.378088]  debugfs_remove+0x44/0x70
[  191.378530]  mana_detach+0x17c/0x4f0
[  191.378950]  ? __flush_work+0x1e2/0x3b0
[  191.379362]  ? __cond_resched+0x1a/0x50
[  191.379787]  mana_remove+0xf2/0x1a0
[  191.380193]  mana_gd_shutdown+0x3b/0x70
[  191.380642]  pci_device_shutdown+0x3a/0x80
[  191.381063]  device_shutdown+0x13e/0x230
[  191.381480]  kernel_power_off+0x35/0x80
[  191.381890]  hibernate+0x3c6/0x470
[  191.382312]  state_store+0xcb/0xd0
[  191.382734]  kobj_attr_store+0x12/0x30
[  191.383211]  sysfs_kf_write+0x3e/0x50
[  191.383640]  kernfs_fop_write_iter+0x140/0x1d0
[  191.384106]  vfs_write+0x271/0x440
[  191.384521]  ksys_write+0x72/0xf0
[  191.384924]  __x64_sys_write+0x19/0x20
[  191.385313]  x64_sys_call+0x2b0/0x20b0
[  191.385736]  do_syscall_64+0x79/0x150
[  191.386146]  ? __mod_memcg_lruvec_state+0xe7/0x240
[  191.386676]  ? __lruvec_stat_mod_folio+0x79/0xb0
[  191.387124]  ? __pfx_lru_add+0x10/0x10
[  191.387515]  ? queued_spin_unlock+0x9/0x10
[  191.387937]  ? do_anonymous_page+0x33c/0xa00
[  191.388374]  ? __handle_mm_fault+0xcf3/0x1210
[  191.388805]  ? __count_memcg_events+0xbe/0x180
[  191.389235]  ? handle_mm_fault+0xae/0x300
[  191.389588]  ? do_user_addr_fault+0x559/0x800
[  191.390027]  ? irqentry_exit_to_user_mode+0x43/0x230
[  191.390525]  ? irqentry_exit+0x1d/0x30
[  191.390879]  ? exc_page_fault+0x86/0x160
[  191.391235]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[  191.391745] RIP: 0033:0x7dbc4ff1c574
[  191.392111] Code: c7 00 16 00 00 00 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 80 3d d5 ea 0e 00 00 74 13 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 55 48 89 e5 48 83 ec 20 48 89
[  191.393412] RSP: 002b:00007ffd95a23ab8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  191.393990] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007dbc4ff1c574
[  191.394594] RDX: 0000000000000005 RSI: 00005a6eeadb0ce0 RDI: 0000000000000001
[  191.395215] RBP: 00007ffd95a23ae0 R08: 00007dbc50003b20 R09: 0000000000000000
[  191.395805] R10: 0000000000000001 R11: 0000000000000202 R12: 0000000000000005
[  191.396404] R13: 00005a6eeadb0ce0 R14: 00007dbc500045c0 R15: 00007dbc50001ee0
[  191.396987]  </TASK>

To fix this, we explicitly set such mana debugfs variables to NULL after
debugfs_remove() is called.

Fixes: 6607c17c6c ("net: mana: Enable debugfs files for MANA device")
Cc: stable@vger.kernel.org
Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Link: https://patch.msgid.link/1741688260-28922-1-git-send-email-shradhagupta@linux.microsoft.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-13 13:26:35 +01:00
Paolo Abeni
e1af35d666 Merge branch 'mlx5-misc-fixes-2025-03-10'
Tariq Toukan says:

====================
mlx5 misc fixes 2025-03-10

This patchset provides misc bug fixes from the team to the mlx5 core and
Eth drivers.
====================

Link: https://patch.msgid.link/1741644104-97767-1-git-send-email-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-13 13:11:18 +01:00
Carolina Jubran
e92df790d0 net/mlx5e: Prevent bridge link show failure for non-eswitch-allowed devices
mlx5_eswitch_get_vepa returns -EPERM if the device lacks
eswitch_manager capability, blocking mlx5e_bridge_getlink from
retrieving VEPA mode. Since mlx5e_bridge_getlink implements
ndo_bridge_getlink, returning -EPERM causes bridge link show to fail
instead of skipping devices without this capability.

To avoid this, return -EOPNOTSUPP from mlx5e_bridge_getlink when
mlx5_eswitch_get_vepa fails, ensuring the command continues processing
other devices while ignoring those without the necessary capability.

Fixes: 4b89251de0 ("net/mlx5: Support ndo bridge_setlink and getlink")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Jianbo Liu <jianbol@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Link: https://patch.msgid.link/1741644104-97767-7-git-send-email-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-13 13:11:15 +01:00
Jianbo Liu
4b8eeed4fb net/mlx5: Bridge, fix the crash caused by LAG state check
When removing LAG device from bridge, NETDEV_CHANGEUPPER event is
triggered. Driver finds the lower devices (PFs) to flush all the
offloaded entries. And mlx5_lag_is_shared_fdb is checked, it returns
false if one of PF is unloaded. In such case,
mlx5_esw_bridge_lag_rep_get() and its caller return NULL, instead of
the alive PF, and the flush is skipped.

Besides, the bridge fdb entry's lastuse is updated in mlx5 bridge
event handler. But this SWITCHDEV_FDB_ADD_TO_BRIDGE event can be
ignored in this case because the upper interface for bond is deleted,
and the entry will never be aged because lastuse is never updated.

To make things worse, as the entry is alive, mlx5 bridge workqueue
keeps sending that event, which is then handled by kernel bridge
notifier. It causes the following crash when accessing the passed bond
netdev which is already destroyed.

To fix this issue, remove such checks. LAG state is already checked in
commit 15f8f16895 ("net/mlx5: Bridge, verify LAG state when adding
bond to bridge"), driver still need to skip offload if LAG becomes
invalid state after initialization.

 Oops: stack segment: 0000 [#1] SMP
 CPU: 3 UID: 0 PID: 23695 Comm: kworker/u40:3 Tainted: G           OE      6.11.0_mlnx #1
 Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
 Workqueue: mlx5_bridge_wq mlx5_esw_bridge_update_work [mlx5_core]
 RIP: 0010:br_switchdev_event+0x2c/0x110 [bridge]
 Code: 44 00 00 48 8b 02 48 f7 00 00 02 00 00 74 69 41 54 55 53 48 83 ec 08 48 8b a8 08 01 00 00 48 85 ed 74 4a 48 83 fe 02 48 89 d3 <4c> 8b 65 00 74 23 76 49 48 83 fe 05 74 7e 48 83 fe 06 75 2f 0f b7
 RSP: 0018:ffffc900092cfda0 EFLAGS: 00010297
 RAX: ffff888123bfe000 RBX: ffffc900092cfe08 RCX: 00000000ffffffff
 RDX: ffffc900092cfe08 RSI: 0000000000000001 RDI: ffffffffa0c585f0
 RBP: 6669746f6e690a30 R08: 0000000000000000 R09: ffff888123ae92c8
 R10: 0000000000000000 R11: fefefefefefefeff R12: ffff888123ae9c60
 R13: 0000000000000001 R14: ffffc900092cfe08 R15: 0000000000000000
 FS:  0000000000000000(0000) GS:ffff88852c980000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: 00007f15914c8734 CR3: 0000000002830005 CR4: 0000000000770ef0
 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
 PKRU: 55555554
 Call Trace:
  <TASK>
  ? __die_body+0x1a/0x60
  ? die+0x38/0x60
  ? do_trap+0x10b/0x120
  ? do_error_trap+0x64/0xa0
  ? exc_stack_segment+0x33/0x50
  ? asm_exc_stack_segment+0x22/0x30
  ? br_switchdev_event+0x2c/0x110 [bridge]
  ? sched_balance_newidle.isra.149+0x248/0x390
  notifier_call_chain+0x4b/0xa0
  atomic_notifier_call_chain+0x16/0x20
  mlx5_esw_bridge_update+0xec/0x170 [mlx5_core]
  mlx5_esw_bridge_update_work+0x19/0x40 [mlx5_core]
  process_scheduled_works+0x81/0x390
  worker_thread+0x106/0x250
  ? bh_worker+0x110/0x110
  kthread+0xb7/0xe0
  ? kthread_park+0x80/0x80
  ret_from_fork+0x2d/0x50
  ? kthread_park+0x80/0x80
  ret_from_fork_asm+0x11/0x20
  </TASK>

Fixes: ff9b752146 ("net/mlx5: Bridge, support LAG")
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Link: https://patch.msgid.link/1741644104-97767-6-git-send-email-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-13 13:11:14 +01:00
Shay Drory
32966984be net/mlx5: Lag, Check shared fdb before creating MultiPort E-Switch
Currently, MultiPort E-Switch is requesting to create a LAG with shared
FDB without checking the LAG is supporting shared FDB.
Add the check.

Fixes: a32327a3a0 ("net/mlx5: Lag, Control MultiPort E-Switch single FDB mode")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Link: https://patch.msgid.link/1741644104-97767-5-git-send-email-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-13 13:11:14 +01:00
Shay Drory
32d2724db5 net/mlx5: Fix incorrect IRQ pool usage when releasing IRQs
mlx5_irq_pool_get() is a getter for completion IRQ pool only.
However, after the cited commit, mlx5_irq_pool_get() is called during
ctrl IRQ release flow to retrieve the pool, resulting in the use of an
incorrect IRQ pool.

Hence, use the newly introduced mlx5_irq_get_pool() getter to retrieve
the correct IRQ pool based on the IRQ itself. While at it, rename
mlx5_irq_pool_get() to mlx5_irq_table_get_comp_irq_pool() which
accurately reflects its purpose and improves code readability.

Fixes: 0477d5168b ("net/mlx5: Expose SFs IRQs")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Maher Sanalla <msanalla@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Link: https://patch.msgid.link/1741644104-97767-4-git-send-email-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-13 13:11:14 +01:00
Vlad Dogaru
521992337f net/mlx5: HWS, Rightsize bwc matcher priority
The bwc layer was clamping the matcher priority from 32 bits to 16 bits.
This didn't show up until a matcher was resized, since the initial
native matcher was created using the correct 32 bit value.

The fix also reorders fields to avoid some padding.

Fixes: 2111bb970c ("net/mlx5: HWS, added backward-compatible API handling")
Signed-off-by: Vlad Dogaru <vdogaru@nvidia.com>
Reviewed-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1741644104-97767-3-git-send-email-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-13 13:11:14 +01:00
Yevgeny Kliteynik
03ebae1992 net/mlx5: DR, use the right action structs for STEv3
Some actions in ConnectX-8 (STEv3) have different structure,
and they are handled separately in ste_ctx_v3.
This separate handling was missing two actions: INSERT_HDR
and REMOVE_HDR, which broke SWS for Linux Bridge.
This patch resolves the issue by introducing dedicated
callbacks for the insert and remove header functions,
with version-specific implementations for each STE variant.

Fixes: 4d617b5757 ("net/mlx5: DR, add support for ConnectX-8 steering")
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Itamar Gozlan <igozlan@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1741644104-97767-2-git-send-email-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-13 13:11:14 +01:00
Xin Long
1063ae0738 Revert "openvswitch: switch to per-action label counting in conntrack"
Currently, ovs_ct_set_labels() is only called for confirmed conntrack
entries (ct) within ovs_ct_commit(). However, if the conntrack entry
does not have the labels_ext extension, attempting to allocate it in
ovs_ct_get_conn_labels() for a confirmed entry triggers a warning in
nf_ct_ext_add():

  WARN_ON(nf_ct_is_confirmed(ct));

This happens when the conntrack entry is created externally before OVS
increments net->ct.labels_used. The issue has become more likely since
commit fcb1aa5163 ("openvswitch: switch to per-action label counting
in conntrack"), which changed to use per-action label counting and
increment net->ct.labels_used when a flow with ct action is added.

Since there’s no straightforward way to fully resolve this issue at the
moment, this reverts the commit to avoid breaking existing use cases.

Fixes: fcb1aa5163 ("openvswitch: switch to per-action label counting in conntrack")
Reported-by: Jianbo Liu <jianbol@nvidia.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Aaron Conole <aconole@redhat.com>
Link: https://patch.msgid.link/1bdeb2f3a812bca016a225d3de714427b2cd4772.1741457143.git.lucien.xin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-13 10:29:34 +01:00