On Fri, Sep 12, 2025 at 01:52:27PM +0200, Christian Brauner wrote:
> Use the new extensible_ioctl_valid() helper which is equivalent to what
> is done here.

I'm seeing several LTP tests (at least getdents02, msync04, renameat01
and statx12) failing in yesterday's -next pending-fixes on Raspberry Pi
4 with bisections pointing to this commit.  renameat01 fails with:

  renameat01    0  TINFO  :  Using /tmp/LTP_renEtNZrS as tmpdir (nfs filesystem)
  renameat01    1  TBROK  :  tst_device.c:97: Could not stat loop device 0
  renameat01    2  TBROK  :  tst_device.c:97: Remaining cases broken

Full log for that run:

  https://lava.sirena.org.uk/scheduler/job/1830765#L6680

bisect log for renameat (all the bisects cover the same builds, though I
split the jobs up so it's different test jobs for some of the tests):

# bad: [179688318d56cee63802eb49e3503d799c43db6c] Merge branch 
'for-linux-next-fixes' of https://gitlab.freedesktop.org/drm/misc/kernel.git
# good: [f83ec76bf285bea5727f478a68b894f5543ca76e] Linux 6.17-rc6
# good: [690aa09b1845c0d5c3c29dabd50a9d0488c97c48] ASoC: Intel: catpt: Expose 
correct bit depth to userspace
# good: [3254959b4dd065eae396cf78ccc1361460b2f53e] ASoC: amd: amd_sdw: Add 
quirks for some new Dell laptops
# good: [9004a450fccbeb40a71cc173747da37a459fd4dc] ASoC: codecs: 
lpass-wsa-macro: Fix speaker quality distortion
# good: [ec630c2c8ce215dd365b8c3644f004f645714a0f] ASoC: SDCA: Reorder members 
of hide struct to remove holes
# good: [68f27f7c7708183e7873c585ded2f1b057ac5b97] ASoC: qcom: 
q6apm-lpass-dais: Fix NULL pointer dereference if source graph failed
# good: [0c28431f6fe13f3a3be0978f79c1a7ae8a93d028] ASoC: SOF: imx: Fix 
devm_ioremap_resource check
# good: [28edfaa10ca1b370b1a27fde632000d35c43402c] ASoC: SDCA: Add quirk for 
incorrect function types for 3 systems
# good: [35fc531a59694f24a2456569cf7d1a9c6436841c] ASoC: SOF: Intel: 
hda-stream: Fix incorrect variable used in error message
# good: [9b17d3724df55ecc2bc67978822585f2b023be48] ASoC: wm8974: Correct PLL 
rate rounding
# good: [f54d87dad7619c8026e95b848d6ef677b9f2b55f] ASoC: rt712: avoid skipping 
the blind write
git bisect start '179688318d56cee63802eb49e3503d799c43db6c' 
'f83ec76bf285bea5727f478a68b894f5543ca76e' 
'690aa09b1845c0d5c3c29dabd50a9d0488c97c48' 
'3254959b4dd065eae396cf78ccc1361460b2f53e' 
'9004a450fccbeb40a71cc173747da37a459fd4dc' 
'ec630c2c8ce215dd365b8c3644f004f645714a0f' 
'68f27f7c7708183e7873c585ded2f1b057ac5b97' 
'0c28431f6fe13f3a3be0978f79c1a7ae8a93d028' 
'28edfaa10ca1b370b1a27fde632000d35c43402c' 
'35fc531a59694f24a2456569cf7d1a9c6436841c' 
'9b17d3724df55ecc2bc67978822585f2b023be48' 
'f54d87dad7619c8026e95b848d6ef677b9f2b55f'
# test job: [690aa09b1845c0d5c3c29dabd50a9d0488c97c48] 
https://lava.sirena.org.uk/scheduler/job/1805508
# test job: [3254959b4dd065eae396cf78ccc1361460b2f53e] 
https://lava.sirena.org.uk/scheduler/job/1769788
# test job: [9004a450fccbeb40a71cc173747da37a459fd4dc] 
https://lava.sirena.org.uk/scheduler/job/1774162
# test job: [ec630c2c8ce215dd365b8c3644f004f645714a0f] 
https://lava.sirena.org.uk/scheduler/job/1772919
# test job: [68f27f7c7708183e7873c585ded2f1b057ac5b97] 
https://lava.sirena.org.uk/scheduler/job/1772831
# test job: [0c28431f6fe13f3a3be0978f79c1a7ae8a93d028] 
https://lava.sirena.org.uk/scheduler/job/1762707
# test job: [28edfaa10ca1b370b1a27fde632000d35c43402c] 
https://lava.sirena.org.uk/scheduler/job/1762245
# test job: [35fc531a59694f24a2456569cf7d1a9c6436841c] 
https://lava.sirena.org.uk/scheduler/job/1762959
# test job: [9b17d3724df55ecc2bc67978822585f2b023be48] 
https://lava.sirena.org.uk/scheduler/job/1758830
# test job: [f54d87dad7619c8026e95b848d6ef677b9f2b55f] 
https://lava.sirena.org.uk/scheduler/job/1758090
# test job: [179688318d56cee63802eb49e3503d799c43db6c] 
https://lava.sirena.org.uk/scheduler/job/1830765
# bad: [179688318d56cee63802eb49e3503d799c43db6c] Merge branch 
'for-linux-next-fixes' of https://gitlab.freedesktop.org/drm/misc/kernel.git
git bisect bad 179688318d56cee63802eb49e3503d799c43db6c
# test job: [4c3c40178b0e1578a3898092cc33ffb2618edc51] 
https://lava.sirena.org.uk/scheduler/job/1830986
# good: [4c3c40178b0e1578a3898092cc33ffb2618edc51] Merge branch 'for-next' of 
https://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs.git
git bisect good 4c3c40178b0e1578a3898092cc33ffb2618edc51
# test job: [78ca913586336540ec12f262c5bdf16f8925de82] 
https://lava.sirena.org.uk/scheduler/job/1831233
# bad: [78ca913586336540ec12f262c5bdf16f8925de82] Merge branch 'vfs.all' of 
https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
git bisect bad 78ca913586336540ec12f262c5bdf16f8925de82
# test job: [06dd3eda0e958cdae48ca755eb5047484f678d78] 
https://lava.sirena.org.uk/scheduler/job/1831745
# good: [06dd3eda0e958cdae48ca755eb5047484f678d78] Merge branch 'vfs-6.18.rust' 
into vfs.all
git bisect good 06dd3eda0e958cdae48ca755eb5047484f678d78
# test job: [a7ec4da2c05c5f8be52c2ac884d5672d0a805ee0] 
https://lava.sirena.org.uk/scheduler/job/1832263
# bad: [a7ec4da2c05c5f8be52c2ac884d5672d0a805ee0] Merge patch series "ns: 
support file handles"
git bisect bad a7ec4da2c05c5f8be52c2ac884d5672d0a805ee0
# test job: [670f2f915084d1c53f14d59946011b7645601813] 
https://lava.sirena.org.uk/scheduler/job/1832304
# bad: [670f2f915084d1c53f14d59946011b7645601813] nstree: make iterator generic
git bisect bad 670f2f915084d1c53f14d59946011b7645601813
# test job: [011090b6c0a97a3aa1f659d670d85bbf0eddbe06] 
https://lava.sirena.org.uk/scheduler/job/1832355
# bad: [011090b6c0a97a3aa1f659d670d85bbf0eddbe06] cgroup: use ns_common_init()
git bisect bad 011090b6c0a97a3aa1f659d670d85bbf0eddbe06
# test job: [60949057a2e71c9244e82608adf269e62e6ac443] 
https://lava.sirena.org.uk/scheduler/job/1832402
# bad: [60949057a2e71c9244e82608adf269e62e6ac443] block: use 
extensible_ioctl_valid()
git bisect bad 60949057a2e71c9244e82608adf269e62e6ac443
# test job: [4d906371d1f9fc9ce47b2c8f37444680246557bc] 
https://lava.sirena.org.uk/scheduler/job/1832439
# good: [4d906371d1f9fc9ce47b2c8f37444680246557bc] nsfs: drop tautological 
ioctl() check
git bisect good 4d906371d1f9fc9ce47b2c8f37444680246557bc
# test job: [f8527a29f4619f74bc30a9845ea87abb9a6faa1e] 
https://lava.sirena.org.uk/scheduler/job/1832550
# good: [f8527a29f4619f74bc30a9845ea87abb9a6faa1e] nsfs: validate extensible 
ioctls
git bisect good f8527a29f4619f74bc30a9845ea87abb9a6faa1e
# first bad commit: [60949057a2e71c9244e82608adf269e62e6ac443] block: use 
extensible_ioctl_valid()

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