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Pull request for series with
subject: module: Strict per-modname namespaces
version: 1
url: https://patchwork.kernel.org/project/linux-modules/list/?series=907087

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Upstream branch: 7a56ca2
series: https://patchwork.kernel.org/project/linux-modules/list/?series=907087
version: 1

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Upstream branch: 2466b31
series: https://patchwork.kernel.org/project/linux-modules/list/?series=907087
version: 1

@modules-kpd-app modules-kpd-app bot force-pushed the series/907087=>modules-next branch from e59ce66 to 6704bde Compare November 7, 2024 22:34
@modules-kpd-app modules-kpd-app bot force-pushed the modules-next_base branch 2 times, most recently from bc8a7a1 to 33ef8b9 Compare November 28, 2024 19:27
modules-kpd-app bot pushed a commit that referenced this pull request Dec 10, 2024
HID: wacom: fix when get product name maybe null pointer
5954821 
Due to incorrect dev->product reporting by certain devices, null
pointer dereferences occur when dev->product is empty, leading to
potential system crashes.

This issue was found on EXCELSIOR DL37-D05 device with
Loongson-LS3A6000-7A2000-DL37 motherboard.

Kernel logs:
[   56.470885] usb 4-3: new full-speed USB device number 4 using ohci-pci
[   56.671638] usb 4-3: string descriptor 0 read error: -22
[   56.671644] usb 4-3: New USB device found, idVendor=056a, idProduct=0374, bcdDevice= 1.07
[   56.671647] usb 4-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   56.678839] hid-generic 0003:056A:0374.0004: hiddev0,hidraw3: USB HID v1.10 Device [HID 056a:0374] on usb-0000:00:05.0-3/input0
[   56.697719] CPU 2 Unable to handle kernel paging request at virtual address 0000000000000000, era == 90000000066e35c8, ra == ffff800004f98a80
[   56.697732] Oops[#1]:
[   56.697734] CPU: 2 PID: 2742 Comm: (udev-worker) Tainted: G           OE      6.6.0-loong64-desktop #25.00.2000.015
[   56.697737] Hardware name: Inspur CE520L2/C09901N000000000, BIOS 2.09.00 10/11/2024
[   56.697739] pc 90000000066e35c8 ra ffff800004f98a80 tp 9000000125478000 sp 900000012547b8a0
[   56.697741] a0 0000000000000000 a1 ffff800004818b28 a2 0000000000000000 a3 0000000000000000
[   56.697743] a4 900000012547b8f0 a5 0000000000000000 a6 0000000000000000 a7 0000000000000000
[   56.697745] t0 ffff800004818b2d t1 0000000000000000 t2 0000000000000003 t3 0000000000000005
[   56.697747] t4 0000000000000000 t5 0000000000000000 t6 0000000000000000 t7 0000000000000000
[   56.697748] t8 0000000000000000 u0 0000000000000000 s9 0000000000000000 s0 900000011aa48028
[   56.697750] s1 0000000000000000 s2 0000000000000000 s3 ffff800004818e80 s4 ffff800004810000
[   56.697751] s5 90000001000b98d0 s6 ffff800004811f88 s7 ffff800005470440 s8 0000000000000000
[   56.697753]    ra: ffff800004f98a80 wacom_update_name+0xe0/0x300 [wacom]
[   56.697802]   ERA: 90000000066e35c8 strstr+0x28/0x120
[   56.697806]  CRMD: 000000b0 (PLV0 -IE -DA +PG DACF=CC DACM=CC -WE)
[   56.697816]  PRMD: 0000000c (PPLV0 +PIE +PWE)
[   56.697821]  EUEN: 00000000 (-FPE -SXE -ASXE -BTE)
[   56.697827]  ECFG: 00071c1d (LIE=0,2-4,10-12 VS=7)
[   56.697831] ESTAT: 00010000 [PIL] (IS= ECode=1 EsubCode=0)
[   56.697835]  BADV: 0000000000000000
[   56.697836]  PRID: 0014d000 (Loongson-64bit, Loongson-3A6000)
[   56.697838] Modules linked in: wacom(+) bnep bluetooth rfkill qrtr nls_iso8859_1 nls_cp437 snd_hda_codec_conexant snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore input_leds mousedev led_class joydev deepin_netmonitor(OE) fuse nfnetlink dmi_sysfs ip_tables x_tables overlay amdgpu amdxcp drm_exec gpu_sched drm_buddy radeon drm_suballoc_helper i2c_algo_bit drm_ttm_helper r8169 ttm drm_display_helper spi_loongson_pci xhci_pci cec xhci_pci_renesas spi_loongson_core hid_generic realtek gpio_loongson_64bit
[   56.697887] Process (udev-worker) (pid: 2742, threadinfo=00000000aee0d8b4, task=00000000a9eff1f3)
[   56.697890] Stack : 0000000000000000 ffff800004817e00 0000000000000000 0000251c00000000
[   56.697896]         0000000000000000 00000011fffffffd 0000000000000000 0000000000000000
[   56.697901]         0000000000000000 1b67a968695184b9 0000000000000000 90000001000b98d0
[   56.697906]         90000001000bb8d0 900000011aa48028 0000000000000000 ffff800004f9d74c
[   56.697911]         90000001000ba000 ffff800004f9ce58 0000000000000000 ffff800005470440
[   56.697916]         ffff800004811f88 90000001000b98d0 9000000100da2aa8 90000001000bb8d0
[   56.697921]         0000000000000000 90000001000ba000 900000011aa48028 ffff800004f9d74c
[   56.697926]         ffff8000054704e8 90000001000bb8b8 90000001000ba000 0000000000000000
[   56.697931]         90000001000bb8d0 9000000006307564 9000000005e666e0 90000001752359b8
[   56.697936]         9000000008cbe400 900000000804d000 9000000005e666e0 0000000000000000
[   56.697941]         ...
[   56.697944] Call Trace:
[   56.697945] [<90000000066e35c8>] strstr+0x28/0x120
[   56.697950] [<ffff800004f98a80>] wacom_update_name+0xe0/0x300 [wacom]
[   56.698000] [<ffff800004f9ce58>] wacom_parse_and_register+0x338/0x900 [wacom]
[   56.698050] [<ffff800004f9d74c>] wacom_probe+0x32c/0x420 [wacom]
[   56.698099] [<9000000006307564>] hid_device_probe+0x144/0x260
[   56.698103] [<9000000005e65d68>] really_probe+0x208/0x540
[   56.698109] [<9000000005e661dc>] __driver_probe_device+0x13c/0x1e0
[   56.698112] [<9000000005e66620>] driver_probe_device+0x40/0x100
[   56.698116] [<9000000005e6680c>] __device_attach_driver+0x12c/0x180
[   56.698119] [<9000000005e62bc8>] bus_for_each_drv+0x88/0x160
[   56.698123] [<9000000005e66468>] __device_attach+0x108/0x260
[   56.698126] [<9000000005e63918>] device_reprobe+0x78/0x100
[   56.698129] [<9000000005e62a68>] bus_for_each_dev+0x88/0x160
[   56.698132] [<9000000006304e54>] __hid_bus_driver_added+0x34/0x80
[   56.698134] [<9000000005e62bc8>] bus_for_each_drv+0x88/0x160
[   56.698137] [<9000000006304df0>] __hid_register_driver+0x70/0xa0
[   56.698142] [<9000000004e10fe4>] do_one_initcall+0x104/0x320
[   56.698146] [<9000000004f38150>] do_init_module+0x90/0x2c0
[   56.698151] [<9000000004f3a3d8>] init_module_from_file+0xb8/0x120
[   56.698155] [<9000000004f3a590>] idempotent_init_module+0x150/0x3a0
[   56.698159] [<9000000004f3a890>] sys_finit_module+0xb0/0x140
[   56.698163] [<900000000671e4e8>] do_syscall+0x88/0xc0
[   56.698166] [<9000000004e12404>] handle_syscall+0xc4/0x160
[   56.698171] Code: 0011958f  00150224  5800cd85 <2a00022c> 00150004  4000c180  0015022c  03400000  03400000
[   56.698192] ---[ end trace 0000000000000000 ]---

Fixes: 09dc28a ("HID: wacom: Improve generic name generation")
Reported-by: Zhenxing Chen <[email protected]>
Co-developed-by: Xu Rao <[email protected]>
Signed-off-by: Xu Rao <[email protected]>
Signed-off-by: WangYuli <[email protected]>
Link: https://patch.msgid.link/[email protected]
Cc: [email protected]
Signed-off-by: Benjamin Tissoires <[email protected]>
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Upstream branch: 3c9c790
series: https://patchwork.kernel.org/project/linux-modules/list/?series=913811
version: 1

@modules-kpd-app modules-kpd-app bot force-pushed the series/907087=>modules-next branch from 6704bde to 45f8da5 Compare December 10, 2024 04:06
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Upstream branch: f3fda0d
series: https://patchwork.kernel.org/project/linux-modules/list/?series=913811
version: 1

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Upstream branch: b464e57
series: https://patchwork.kernel.org/project/linux-modules/list/?series=913811
version: 1

Pull request is NOT updated. Failed to apply https://patchwork.kernel.org/project/linux-modules/list/?series=913811
error message:

Cmd('git') failed due to: exit code(128)
  cmdline: git am --3way
  stdout: 'Applying: module/modpost: Use for() loop
Patch failed at 0001 module/modpost: Use for() loop'
  stderr: 'error: sha1 information is lacking or useless (scripts/mod/modpost.c).
error: could not build fake ancestor
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"'

conflict:

@petrpavlu
module: Constify parameters of module_enforce_rwx_sections()
e42e032 
Minor cleanup, this is a non-functional change.

Reviewed-by: Sami Tolvanen <[email protected]>
Reviewed-by: Luis Chamberlain <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Petr Pavlu <[email protected]>
petrpavlu and others added 3 commits May 5, 2025 10:21
@petrpavlu
module: Add a separate function to mark sections as read-only after init
5be43c6 
Move the logic to mark special sections as read-only after module
initialization into a separate function, along other related code in
strict_rwx.c. Use a table with names of such sections to make it easier to
add more.

Reviewed-by: Sami Tolvanen <[email protected]>
Reviewed-by: Luis Chamberlain <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Petr Pavlu <[email protected]>
@petrpavlu
module: Make .static_call_sites read-only after init
4344748 
Section .static_call_sites holds data structures that need to be sorted and
processed only at module load time. This initial processing happens in
static_call_add_module(), which is invoked as a callback to the
MODULE_STATE_COMING notification from prepare_coming_module().

The section is never modified afterwards. Make it therefore read-only after
module initialization to avoid any (non-)accidental modifications.

Reviewed-by: Sami Tolvanen <[email protected]>
Reviewed-by: Luis Chamberlain <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Petr Pavlu <[email protected]>
adding ci files
39f16b8
@modules-kpd-app modules-kpd-app bot force-pushed the modules-next_base branch from d4037eb to 39f16b8 Compare May 5, 2025 08:22
Peter Zijlstra added 5 commits May 5, 2025 08:23
modpost: Use for() loop
201b3ca 
Slight cleanup by using a for() loop instead of while(). This makes it
clearer what is the iteration and what is the actual work done.

Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
module: Add module specific symbol namespace support
7dc41ba 
Designate the "module:${modname}" symbol namespace to mean: 'only
export to the named module'.

Notably, explicit imports of anything in the "module:" space is
forbidden.

Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
module: Extend the MODULE_ namespace parsing
abbb716 
Instead of only accepting "module:${name}", extend it with a comma
separated list of module names and add tail glob support.

That is, something like: "module:foo-*,bar" is now possible.

Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
module: Account for the build time module name mangling
2eb27e4 
Sean noted that scripts/Makefile.lib:name-fix-token rule will mangle
the module name with s/-/_/g.

Since this happens late in the build, only the kernel needs to bother
with this, the modpost tool still sees the original name.

Reported-by: Sean Christopherson <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Tested-by: Sean Christopherson <[email protected]>
module: Provide EXPORT_SYMBOL_GPL_FOR_MODULES() helper
9e262f0 
Helper macro to more easily limit the export of a symbol to a given
list of modules.

Eg:

  EXPORT_SYMBOL_GPL_FOR_MODULES(preempt_notifier_inc, "kvm");

will limit the use of said function to kvm.ko, any other module trying
to use this symbol will refure to load (and get modpost build
failures).

Requested-by: Masahiro Yamada <[email protected]>
Requested-by: Christoph Hellwig <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
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Upstream branch: 4344748
series: https://patchwork.kernel.org/project/linux-modules/list/?series=959108
version: 3

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dkruces pushed a commit that referenced this pull request Sep 1, 2025
drm/msm: Fix refcnt underflow in error path
de651b6 
If we hit an error path in GEM obj creation before msm_gem_new_handle()
updates obj->resv to point to the gpuvm resv object, then obj->resv
still points to &obj->_resv.  In this case we don't want to decrement
the refcount of the object being freed (since the refcnt is already
zero).  This fixes the following splat:

   ------------[ cut here ]------------
   refcount_t: underflow; use-after-free.
   WARNING: CPU: 9 PID: 7013 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x148
   Modules linked in: uinput snd_seq_dummy snd_hrtimer aes_ce_ccm snd_soc_wsa884x regmap_sdw q6prm_clocks q6apm_lpass_da>
    qcom_pil_info i2c_hid drm_kms_helper qcom_common qcom_q6v5 phy_snps_eusb2 qcom_geni_serial drm qcom_sysmon pinctrl_s>
   CPU: 9 UID: 1000 PID: 7013 Comm: deqp-vk Not tainted 6.16.0-rc4-debug+ #25 PREEMPT(voluntary)
   Hardware name: LENOVO 83ED/LNVNB161216, BIOS NHCN53WW 08/02/2024
   pstate: 6140000 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
   pc : refcount_warn_saturate+0xf4/0x148
   lr : refcount_warn_saturate+0xf4/0x148
   sp : ffff8000a2073920
   x29: ffff8000a2073920 x28: 0000000000000010 x27: 0000000000000010
   x26: 0000000000000042 x25: ffff000810e09800 x24: 0000000000000010
   x23: ffff8000a2073b94 x22: ffff000ddb22de00 x21: ffff000ddb22dc00
   x20: ffff000ddb22ddf8 x19: ffff0008024934e0 x18: 000000000000000a
   x17: 0000000000000000 x16: ffff9f8c67d77340 x15: 0000000000000000
   x14: 00000000ffffffff x13: 2e656572662d7265 x12: 7466612d65737520
   x11: 3b776f6c66726564 x10: 00000000ffff7fff x9 : ffff9f8c67506c70
   x8 : ffff9f8c69fa26f0 x7 : 00000000000bffe8 x6 : c0000000ffff7fff
   x5 : ffff000f53e14548 x4 : ffff6082ea2b2000 x3 : ffff0008b86ab080
   x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0008b86ab080
   Call trace:
    refcount_warn_saturate+0xf4/0x148 (P)
    msm_gem_free_object+0x248/0x260 [msm]
    drm_gem_object_free+0x24/0x40 [drm]
    msm_gem_new+0x1c4/0x1e0 [msm]
    msm_gem_new_handle+0x3c/0x1a0 [msm]
    msm_ioctl_gem_new+0x38/0x70 [msm]
    drm_ioctl_kernel+0xc8/0x138 [drm]
    drm_ioctl+0x2c8/0x618 [drm]
    __arm64_sys_ioctl+0xac/0x108
    invoke_syscall.constprop.0+0x64/0xe8
    el0_svc_common.constprop.0+0x40/0xe8
    do_el0_svc+0x24/0x38
    el0_svc+0x54/0x1d8
    el0t_64_sync_handler+0x10c/0x138
    el0t_64_sync+0x19c/0x1a0
   irq event stamp: 3698694
   hardirqs last  enabled at (3698693): [<ffff9f8c675021dc>] __up_console_sem+0x74/0x90
   hardirqs last disabled at (3698694): [<ffff9f8c68ce8164>] el1_dbg+0x24/0x90
   softirqs last  enabled at (3697578): [<ffff9f8c6744ec5c>] handle_softirqs+0x454/0x4b0
   softirqs last disabled at (3697567): [<ffff9f8c67360244>] __do_softirq+0x1c/0x28
   ---[ end trace 0000000000000000 ]---

Fixes: b58e12a ("drm/msm: Add _NO_SHARE flag")
Signed-off-by: Rob Clark <[email protected]>
Patchwork: https://patchwork.freedesktop.org/patch/665355/
dkruces pushed a commit that referenced this pull request Sep 1, 2025
drm/msm: Fix submit error path cleanup
ad70e46 
submit_unpin_objects() should come before we unlock the objects.  This
fixes the splat:

   WARNING: CPU: 2 PID: 2171 at drivers/gpu/drm/msm/msm_gem.h:395 msm_gem_unpin_locked+0x8c/0xd8 [msm]
   Modules linked in: uinput snd_seq_dummy snd_hrtimer aes_ce_ccm snd_soc_wsa884x regmap_sdw q6prm_clocks q6apm_lpass_dais q6apm_dai snd_q6dsp_common q6prm snd_q6apm qcom_pd_mapper cdc_mbim cdc_wdm cdc_ncm r8153_ecm cdc_ether usbnet sunrpc nls_ascii nls_cp437 vfat fat snd_soc_x1e80100 snd_soc_lpass_rx_macro snd_soc_lpass_tx_macro snd_soc_lpass_va_macro snd_soc_lpass_wsa_macro snd_soc_qcom_common soundwire_qcom snd_soc_lpass_macro_common snd_soc_hdmi_codec snd_soc_qcom_sdw ext4 snd_soc_core snd_compress soundwire_bus snd_pcm_dmaengine snd_seq mbcache jbd2 snd_seq_device snd_pcm pm8941_pwrkey snd_timer r8152 qcom_spmi_temp_alarm industrialio snd lenovo_yoga_slim7x ath12k mii arm_smccc_trng soundcore rng_core evdev loop panel_samsung_atna33xc20 msm ubwc_config drm_client_lib drm_gpuvm drm_exec gpu_sched drm_display_helper pmic_glink_altmode aux_hpd_bridge ucsi_glink qcom_battmgr phy_qcom_qmp_combo ps883x cec aux_bridge drm_dp_aux_bus i2c_hid_of aes_ce_blk drm_kms_helper aes_ce_cipher i2c_hid qcom_q6v5_pas
    ghash_ce qcom_pil_info drm sha1_ce qcom_common phy_snps_eusb2 qcom_geni_serial qcom_q6v5 qcom_sysmon pinctrl_sm8550_lpass_lpi lpasscc_sc8280xp sbsa_gwdt mdt_loader gpio_keys pmic_glink i2c_dev efivarfs autofs4
   CPU: 2 UID: 1000 PID: 2171 Comm: gnome-shell Not tainted 6.16.0-rc4-debug+ #25 PREEMPT(voluntary)
   Hardware name: LENOVO 83ED/LNVNB161216, BIOS NHCN53WW 08/02/2024
   pstate: 6140000 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
   pc : msm_gem_unpin_locked+0x8c/0xd8 [msm]
   lr : msm_gem_unpin_locked+0x88/0xd8 [msm]
   sp : ffff80009c963820
   x29: ffff80009c963820 x28: ffff80009c9639f8 x27: ffff00080552a830
   x26: 0000000000000000 x25: ffff0009d5655800 x24: 0000000000000000
   x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
   x20: ffff000831db5480 x19: ffff000816e74400 x18: 0000000000000000
   x17: 0000000000000000 x16: ffffc1396afdd720 x15: 0000000000000000
   x14: 0000000000000000 x13: 0000000000000000 x12: ffff0008c065bc00
   x11: ffff0008c065c000 x10: 0000000000000000 x9 : ffffc13945b19074
   x8 : 0000000000000000 x7 : 0000000000000209 x6 : 0000000000000002
   x5 : 0000000000019d01 x4 : ffff0008ba8db080 x3 : 000000000004093f
   x2 : ffff3ed5e727f000 x1 : 0000000000000000 x0 : 0000000000000000
   Call trace:
    msm_gem_unpin_locked+0x8c/0xd8 [msm] (P)
    msm_ioctl_gem_submit+0x32c/0x1760 [msm]
    drm_ioctl_kernel+0xc8/0x138 [drm]
    drm_ioctl+0x2c8/0x618 [drm]
    __arm64_sys_ioctl+0xac/0x108
    invoke_syscall.constprop.0+0x64/0xe8
    el0_svc_common.constprop.0+0x40/0xe8
    do_el0_svc+0x24/0x38
    el0_svc+0x54/0x1d8
    el0t_64_sync_handler+0x10c/0x138
    el0t_64_sync+0x19c/0x1a0
   irq event stamp: 2185036
   hardirqs last  enabled at (2185035): [<ffffc1396afeef9c>] _raw_spin_unlock_irqrestore+0x74/0x80
   hardirqs last disabled at (2185036): [<ffffc1396afd8164>] el1_dbg+0x24/0x90
   softirqs last  enabled at (2184778): [<ffffc13969675e44>] fpsimd_restore_current_state+0x3c/0x328
   softirqs last disabled at (2184776): [<ffffc13969675e14>] fpsimd_restore_current_state+0xc/0x328
   ---[ end trace 0000000000000000 ]---

Fixes: 111fdd2 ("drm/msm: drm_gpuvm conversion")
Signed-off-by: Rob Clark <[email protected]>
Patchwork: https://patchwork.freedesktop.org/patch/665357/
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