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WARNING in restore_regulatory_settings (3)

Status: upstream: reported on 2025/03/13 02:37
Reported-by: syzbot+05c535e3e432e71518be@syzkaller.appspotmail.com
First crash: 68d, last: 68d
▶ ▼ Similar bugs (10)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in restore_regulatory_settings C error 2 687d 688d 0/3 auto-obsoleted due to no activity on 2023/10/10 11:07
upstream WARNING in restore_regulatory_settings C done 10414 1716d 1960d 15/28 fixed on 2020/09/25 01:17
linux-5.15 WARNING in restore_regulatory_settings (2) 2 474d 474d 0/3 auto-obsoleted due to no activity on 2024/05/10 19:25
upstream WARNING in restore_regulatory_settings (2) wireless C done error 33 396d 684d 0/28 auto-obsoleted due to no activity on 2024/07/28 05:16
linux-6.1 WARNING in restore_regulatory_settings 1 474d 474d 0/3 auto-obsoleted due to no activity on 2024/05/10 17:04
upstream WARNING in restore_regulatory_settings (3) wireless C inconclusive error 2 140d 223d 27/28 upstream: reported C repro on 2024/10/08 09:00
linux-4.14 WARNING in restore_regulatory_settings (2) C error 1 982d 1042d 0/1 upstream: reported C repro on 2022/07/13 03:16
linux-4.19 WARNING in restore_regulatory_settings C error 1613 1042d 1960d 0/1 upstream: reported C repro on 2020/01/06 09:29
linux-6.1 WARNING in restore_regulatory_settings (2) 1 68d 68d 0/3 upstream: reported on 2025/03/13 05:25
linux-4.14 WARNING in restore_regulatory_settings C done 2264 1713d 1959d 1/1 fixed on 2020/10/09 20:44

Sample crash report:
------------[ cut here ]------------
Unexpected user alpha2: Aż
WARNING: CPU: 1 PID: 9 at net/wireless/reg.c:439 is_user_regdom_saved net/wireless/reg.c:437 [inline]
WARNING: CPU: 1 PID: 9 at net/wireless/reg.c:439 restore_alpha2 net/wireless/reg.c:3372 [inline]
WARNING: CPU: 1 PID: 9 at net/wireless/reg.c:439 restore_regulatory_settings+0x368/0x22cc net/wireless/reg.c:3464
Modules linked in:
CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events_power_efficient crda_timeout_work
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : is_user_regdom_saved net/wireless/reg.c:437 [inline]
pc : restore_alpha2 net/wireless/reg.c:3372 [inline]
pc : restore_regulatory_settings+0x368/0x22cc net/wireless/reg.c:3464
lr : is_user_regdom_saved net/wireless/reg.c:437 [inline]
lr : restore_alpha2 net/wireless/reg.c:3372 [inline]
lr : restore_regulatory_settings+0x368/0x22cc net/wireless/reg.c:3464
sp : ffff80001bcf7a20
x29: ffff80001bcf7af0 x28: dfff800000000000 x27: ffff0000c0848418
x26: ffff800016ead960 x25: ffff0000c0038400 x24: 0000000000000000
x23: 1ffff00002dd5b2c x22: 0000000000000041 x21: 0000000000000001
x20: ffff80001bcf7aa8 x19: ffff80001bc12000 x18: 0000000000000001
x17: 0000000000000000 x16: ffff800011b4e3fc x15: 00000000ffffffff
x14: ffff0000c0948000 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : 9ec7446c0e6aae00
x8 : 9ec7446c0e6aae00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001bcf7198 x4 : ffff800014c50660 x3 : ffff8000085568c0
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000001a
Call trace:
 is_user_regdom_saved net/wireless/reg.c:437 [inline]
 restore_alpha2 net/wireless/reg.c:3372 [inline]
 restore_regulatory_settings+0x368/0x22cc net/wireless/reg.c:3464
 crda_timeout_work+0x38/0x68 net/wireless/reg.c:539
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
irq event stamp: 4474774
hardirqs last  enabled at (4474773): [<ffff80000832c1b4>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (4474774): [<ffff800011b49ab0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (4474254): [<ffff8000081b6920>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (4474254): [<ffff8000081b6920>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (4474161): [<ffff8000081b6fb8>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (4474161): [<ffff8000081b6fb8>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (4474161): [<ffff8000081b6fb8>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (4474161): [<ffff8000081b6fb8>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace aa542b38765e91da ]---
------------[ cut here ]------------
Unexpected user alpha2: Aż
WARNING: CPU: 1 PID: 9 at net/wireless/reg.c:439 is_user_regdom_saved net/wireless/reg.c:437 [inline]
WARNING: CPU: 1 PID: 9 at net/wireless/reg.c:439 restore_alpha2 net/wireless/reg.c:3372 [inline]
WARNING: CPU: 1 PID: 9 at net/wireless/reg.c:439 restore_regulatory_settings+0x368/0x22cc net/wireless/reg.c:3464
Modules linked in:
CPU: 1 PID: 9 Comm: kworker/u4:0 Tainted: G        W         5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events_power_efficient crda_timeout_work
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : is_user_regdom_saved net/wireless/reg.c:437 [inline]
pc : restore_alpha2 net/wireless/reg.c:3372 [inline]
pc : restore_regulatory_settings+0x368/0x22cc net/wireless/reg.c:3464
lr : is_user_regdom_saved net/wireless/reg.c:437 [inline]
lr : restore_alpha2 net/wireless/reg.c:3372 [inline]
lr : restore_regulatory_settings+0x368/0x22cc net/wireless/reg.c:3464
sp : ffff80001bcf7a20
x29: ffff80001bcf7af0 x28: dfff800000000000 x27: ffff0000c0848418
x26: ffff800016ead960 x25: ffff0000c0038400 x24: 0000000000000000
x23: 1ffff00002dd5b2c x22: 0000000000000041 x21: 0000000000000001
x20: ffff80001bcf7aa8 x19: ffff80001bc12000 x18: 0000000000000001
x17: 0000000000000000 x16: ffff800011b4e3fc x15: 00000000ffffffff
x14: ffff0000c0948000 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : 9ec7446c0e6aae00
x8 : 9ec7446c0e6aae00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001bcf7198 x4 : ffff800014c50660 x3 : ffff8000085568c0
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000001a
Call trace:
 is_user_regdom_saved net/wireless/reg.c:437 [inline]
 restore_alpha2 net/wireless/reg.c:3372 [inline]
 restore_regulatory_settings+0x368/0x22cc net/wireless/reg.c:3464
 crda_timeout_work+0x38/0x68 net/wireless/reg.c:539
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
irq event stamp: 4477470
hardirqs last  enabled at (4477469): [<ffff80000832c1b4>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (4477470): [<ffff800011b49ab0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (4477444): [<ffff80000c8d07f4>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (4477440): [<ffff80000c8d073c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace aa542b38765e91dc ]---

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/13 02:36 linux-5.15.y c16c81c81336 1a5d9317 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in restore_regulatory_settings
* Struck through repros no longer work on HEAD.