BUG: unable to handle page fault for address: ffffffffffffffc8 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 7426067 P4D 7426067 PUD 7428067 PMD 0 Oops: 0000 [#1] SMP KASAN CPU: 0 PID: 2665 Comm: systemd-udevd Tainted: G W 5.14.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ath9k_htc_rxep+0xb5/0x210 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:1135 Code: 8b 43 38 48 8d 58 c8 49 39 c4 0f 84 ee 00 00 00 e8 f0 64 37 fe 48 89 d8 48 c1 e8 03 0f b6 04 28 84 c0 74 06 0f 8e 0a 01 00 00 <44> 0f b6 3b 31 ff 44 89 fe e8 fd 6b 37 fe 45 84 ff 75 a8 e8 c3 64 RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: ffffc90005849000 RDX: 0000000000040000 RSI: ffffffff830a0050 RDI: ffffc90000007928 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000000f25 R11: 0000000000000000 R12: ffff888104fa3678 R13: ffff888104fa3240 R14: ffff888104fa3688 R15: ffff88810f0c5ca8 FS: 00007f051ed4f8c0(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffc8 CR3: 00000001087ca000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ath9k_htc_rx_msg+0x2e4/0xb70 drivers/net/wireless/ath/ath9k/htc_hst.c:461 ath9k_hif_usb_reg_in_cb+0x1ac/0x630 drivers/net/wireless/ath/ath9k/hif_usb.c:733 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1656 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1726 dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x1a5/0x630 kernel/time/timer.c:1417 expire_timers kernel/time/timer.c:1462 [inline] __run_timers.part.0+0x675/0xa10 kernel/time/timer.c:1731 __run_timers kernel/time/timer.c:1712 [inline] run_timer_softirq+0x80/0x120 kernel/time/timer.c:1744 __do_softirq+0x1b0/0x910 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x117/0x160 kernel/softirq.c:636 irq_exit_rcu+0x5/0x10 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x6a/0x90 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__sanitizer_cov_trace_pc+0x5c/0x60 kernel/kcov.c:207 Code: 82 20 14 00 00 83 f8 02 75 20 48 8b 8a 28 14 00 00 8b 92 24 14 00 00 48 8b 01 48 83 c0 01 48 39 c2 76 07 48 89 34 c1 48 89 01 0f 1f 00 41 55 41 54 49 89 fc 55 48 bd eb 83 b5 80 46 86 c8 61 RSP: 0018:ffffc90007cd7900 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff888119b9d1c0 RSI: ffffffff81e150d1 RDI: 0000000000000003 RBP: ffff8881055c3780 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff81e1510a R11: 0000000000000010 R12: 0000000000000026 R13: 00000000000002b0 R14: dffffc0000000000 R15: 0000000000000000 tomoyo_domain_quota_is_ok+0x2f1/0x550 security/tomoyo/util.c:1093 tomoyo_supervisor+0x2f2/0xf00 security/tomoyo/common.c:2089 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline] tomoyo_path_permission security/tomoyo/file.c:587 [inline] tomoyo_path_permission+0x270/0x3a0 security/tomoyo/file.c:573 tomoyo_path_perm+0x2f0/0x400 security/tomoyo/file.c:838 security_inode_getattr+0xcf/0x140 security/security.c:1332 vfs_getattr fs/stat.c:139 [inline] vfs_fstat+0x43/0xb0 fs/stat.c:164 __do_sys_newfstat+0x81/0x100 fs/stat.c:404 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f051dbc12e2 Code: 48 8b 05 b9 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 77 33 48 63 fe b8 05 00 00 00 48 89 d6 0f 05 <48> 3d 00 f0 ff ff 77 06 f3 c3 0f 1f 40 00 48 8b 15 81 db 2b 00 f7 RSP: 002b:00007ffe1afc0ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f051dbc12e2 RDX: 00007ffe1afc0ef0 RSI: 00007ffe1afc0ef0 RDI: 000000000000000f RBP: 00007f051ed4f710 R08: 000055878ee13640 R09: 0000000000001010 R10: 00007f051de7fb58 R11: 0000000000000246 R12: 0000000000000000 R13: 000055878ee07460 R14: 00000000000000ff R15: 000055878ee07460 Modules linked in: CR2: ffffffffffffffc8 ---[ end trace 21eadceb2b13cb9a ]--- RIP: 0010:ath9k_htc_rxep+0xb5/0x210 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:1135 Code: 8b 43 38 48 8d 58 c8 49 39 c4 0f 84 ee 00 00 00 e8 f0 64 37 fe 48 89 d8 48 c1 e8 03 0f b6 04 28 84 c0 74 06 0f 8e 0a 01 00 00 <44> 0f b6 3b 31 ff 44 89 fe e8 fd 6b 37 fe 45 84 ff 75 a8 e8 c3 64 RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: ffffc90005849000 RDX: 0000000000040000 RSI: ffffffff830a0050 RDI: ffffc90000007928 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000000f25 R11: 0000000000000000 R12: ffff888104fa3678 R13: ffff888104fa3240 R14: ffff888104fa3688 R15: ffff88810f0c5ca8 FS: 00007f051ed4f8c0(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffc8 CR3: 00000001087ca000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400