BUG: unable to handle page fault for address: ffffffff0000368e #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD bc8f067 P4D bc8f067 PUD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8 Comm: kworker/0:2 Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_power_efficient crda_timeout_work RIP: 0010:restore_regulatory_settings+0x73c/0x1780 net/wireless/reg.c:3474 Code: 26 f9 48 8b 04 24 48 8d b8 48 06 00 00 48 89 f8 48 c1 e8 03 0f b6 04 18 84 c0 74 08 3c 03 0f 8e 6f 0d 00 00 48 8b 04 24 31 ff <8b> a8 48 06 00 00 41 89 ec 41 81 e4 80 00 00 00 44 89 e6 e8 8c fd RSP: 0018:ffffc90000cd7c30 EFLAGS: 00010246 RAX: ffffffff00003046 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: ffff888012325580 RSI: ffffffff884e0354 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff902078c7 R10: ffffffff884e03ae R11: 0000000000000030 R12: 0000000000000000 R13: dead000000000100 R14: ffffffff8d99a940 R15: ffffffff8d99a940 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff0000368e CR3: 00000000145b9000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: crda_timeout_work+0x2c/0x50 net/wireless/reg.c:532 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Modules linked in: CR2: ffffffff0000368e ---[ end trace 90075a34672ec380 ]--- RIP: 0010:restore_regulatory_settings+0x73c/0x1780 net/wireless/reg.c:3474 Code: 26 f9 48 8b 04 24 48 8d b8 48 06 00 00 48 89 f8 48 c1 e8 03 0f b6 04 18 84 c0 74 08 3c 03 0f 8e 6f 0d 00 00 48 8b 04 24 31 ff <8b> a8 48 06 00 00 41 89 ec 41 81 e4 80 00 00 00 44 89 e6 e8 8c fd RSP: 0018:ffffc90000cd7c30 EFLAGS: 00010246 RAX: ffffffff00003046 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: ffff888012325580 RSI: ffffffff884e0354 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff902078c7 R10: ffffffff884e03ae R11: 0000000000000030 R12: 0000000000000000 R13: dead000000000100 R14: ffffffff8d99a940 R15: ffffffff8d99a940 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff0000368e CR3: 00000000145b9000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400