On Wed, Jul 22, 2026 at 04:31:38PM +0200, Greg Kroah-Hartman wrote:
This is the start of the stable review cycle for the 6.12.97 release. There are 1202 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
I'm seeing a regression in the proc read kselftest which bisects to "proc: protect ptrace_may_access() with exec_update_lock (part 1)":
# selftests: proc: read [ 167.845745] ICMPv6: process `read' is using deprecated sysctl (syscall) net.ipv6.neigh.default.base_reachable_time - use net.ipv6.neigh.default.base_reachable_time_ms instead [ 167.914113] sysrq: HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e) memory-full-oom-kill(f) kill-all-tasks(i) thaw-filesystems(j) sak(k) show-backtrace-all-active-cpus(l) show-memory-usage(m) nice-all-RT-tasks(n) poweroff(o) show-registers(p) show-all-timers(q) unraw(r) sync(s) show-task-states(t) unmount(u) show-blocked-tasks(w) replay-kernel-logs(R) [ 168.019358] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000098
...
[ 168.270588] Call trace: [ 168.273035] rwsem_read_trylock+0x30/0xe0 [ 168.277047] proc_map_files_readdir+0x94/0x3dc [ 168.281498] iterate_dir+0x118/0x224 [ 168.285077] __arm64_sys_getdents64+0x70/0x160 [ 168.289524] invoke_syscall+0x44/0xe4
Full log:
https://lava.sirena.org.uk/scheduler/job/3014030#L10663
bisect log:
# bad: [f5410b1bf27f296237f0ad05c8473d8e9a7ac467] Linux 6.12.97-rc2 # good: [6d15a1029d425b15c59463910ebdccc4afe760d6] Linux 6.12.96 git bisect start 'f5410b1bf27f296237f0ad05c8473d8e9a7ac467' '6d15a1029d425b15c59463910ebdccc4afe760d6' # test job: [f5410b1bf27f296237f0ad05c8473d8e9a7ac467] https://lava.sirena.org.uk/scheduler/job/3014030 # bad: [f5410b1bf27f296237f0ad05c8473d8e9a7ac467] Linux 6.12.97-rc2 git bisect bad f5410b1bf27f296237f0ad05c8473d8e9a7ac467 # test job: [9c20411fdaad93e7408587bd3091f7503ef93ab5] https://lava.sirena.org.uk/scheduler/job/3014886 # good: [9c20411fdaad93e7408587bd3091f7503ef93ab5] thermal: testing: zone: Flush work items during cleanup git bisect good 9c20411fdaad93e7408587bd3091f7503ef93ab5 # test job: [9aa948a6f8287277c395a9296d2ef196a4a52b33] https://lava.sirena.org.uk/scheduler/job/3015136 # good: [9aa948a6f8287277c395a9296d2ef196a4a52b33] platform/x86/amd/pmc: Check for intermediate wakeup in function git bisect good 9aa948a6f8287277c395a9296d2ef196a4a52b33 # test job: [e5744e5ac81be38feb1b9519fe911b21ab5051d6] https://lava.sirena.org.uk/scheduler/job/3015323 # good: [e5744e5ac81be38feb1b9519fe911b21ab5051d6] reset: sunxi: fix memory region leak on ioremap failure git bisect good e5744e5ac81be38feb1b9519fe911b21ab5051d6 # test job: [1a47ba727805fe69a6af0cf5c58f6f953f6b3620] https://lava.sirena.org.uk/scheduler/job/3015469 # bad: [1a47ba727805fe69a6af0cf5c58f6f953f6b3620] treewide: Switch/rename to timer_delete[_sync]() git bisect bad 1a47ba727805fe69a6af0cf5c58f6f953f6b3620 # test job: [a593a39fda99d6d9161502d92d348b2102db059b] https://lava.sirena.org.uk/scheduler/job/3015711 # good: [a593a39fda99d6d9161502d92d348b2102db059b] PCI: Move Resizable BAR code to rebar.c git bisect good a593a39fda99d6d9161502d92d348b2102db059b # test job: [37a0b322a8872dd78832c2631e615b24053e4f8e] https://lava.sirena.org.uk/scheduler/job/3015958 # good: [37a0b322a8872dd78832c2631e615b24053e4f8e] Bluetooth: 6lowpan: fix cyclic locking warning on netdev unregister git bisect good 37a0b322a8872dd78832c2631e615b24053e4f8e # test job: [3402cd2dfaaa8f3e03d354e994d97361d8aeeafa] https://lava.sirena.org.uk/scheduler/job/3016246 # good: [3402cd2dfaaa8f3e03d354e994d97361d8aeeafa] ksmbd: centralize ksmbd_conn final release to plug transport leak git bisect good 3402cd2dfaaa8f3e03d354e994d97361d8aeeafa # test job: [ecefa46f7bae6b671bd90f8a5456bacda4dbc3c6] https://lava.sirena.org.uk/scheduler/job/3016441 # good: [ecefa46f7bae6b671bd90f8a5456bacda4dbc3c6] HID: add haptics page defines git bisect good ecefa46f7bae6b671bd90f8a5456bacda4dbc3c6 # test job: [56f46798a52ac271c5dae5c25eeb36eb3ce48f3b] https://lava.sirena.org.uk/scheduler/job/3016753 # good: [56f46798a52ac271c5dae5c25eeb36eb3ce48f3b] seqlock: Introduce scoped_seqlock_read() git bisect good 56f46798a52ac271c5dae5c25eeb36eb3ce48f3b # test job: [6258bb18b077de959eeda9968d49ef94b383a451] https://lava.sirena.org.uk/scheduler/job/3016884 # bad: [6258bb18b077de959eeda9968d49ef94b383a451] proc: protect ptrace_may_access() with exec_update_lock (part 1) git bisect bad 6258bb18b077de959eeda9968d49ef94b383a451 # test job: [a95c6a2607658a19a6daf8a2d06851316c4fa8dd] https://lava.sirena.org.uk/scheduler/job/3017038 # good: [a95c6a2607658a19a6daf8a2d06851316c4fa8dd] seqlock: Change do_task_stat() to use scoped_seqlock_read() git bisect good a95c6a2607658a19a6daf8a2d06851316c4fa8dd # first bad commit: [6258bb18b077de959eeda9968d49ef94b383a451] proc: protect ptrace_may_access() with exec_update_lock (part 1)