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: 1 PID: 19704 Comm: syz-executor.0 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:ffffc900001489b8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: ffffc9000591a000 RDX: 0000000000040000 RSI: ffffffff830a0050 RDI: ffffc90000148928 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000029125 R11: 0000000000000000 R12: ffff88811e203678 R13: ffff88811e203240 R14: ffff88811e203688 R15: ffff888109a453a8 FS: 00007f0b10000700(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffc8 CR3: 000000013d40f000 CR4: 00000000001506e0 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:sha256_transform lib/crypto/sha256.c:108 [inline] RIP: 0010:sha256_update+0xfc0/0x2090 lib/crypto/sha256.c:141 Code: 0c 00 00 48 89 ee 41 8b 0c 24 48 c1 ee 03 42 0f b6 3c 3e 48 89 ee 83 e6 07 83 c6 03 40 38 fe 7c 09 40 84 ff 0f 85 ce 0b 00 00 <03> 4d 00 89 d6 89 c7 c1 ce 02 21 d7 41 01 c9 89 d1 c1 c9 0d 45 01 RSP: 0018:ffffc90006817148 EFLAGS: 00000246 RAX: 0000000064e0c75a RBX: 0000000068348dfd RCX: 00000000a2bfe8a1 RDX: 000000007a55ac15 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffffc90006817280 R08: 00000000683e057d R09: 000000000a0272ed R10: 000000008a6afe9d R11: 0000000060fd567d R12: ffffffff86402120 R13: 0000000088b6ac60 R14: 00000000733e447f R15: dffffc0000000000 crypto_sha256_update+0x21/0x30 crypto/sha256_generic.c:51 crypto_shash_update+0xc4/0x120 crypto/shash.c:131 ima_calc_file_hash_tfm+0x2e8/0x3b0 security/integrity/ima/ima_crypto.c:495 ima_calc_file_shash security/integrity/ima/ima_crypto.c:515 [inline] ima_calc_file_hash+0x19d/0x4b0 security/integrity/ima/ima_crypto.c:572 ima_collect_measurement+0x4ca/0x570 security/integrity/ima/ima_api.c:252 process_measurement+0xd1c/0x17e0 security/integrity/ima/ima_main.c:330 ima_file_check+0xb1/0x100 security/integrity/ima/ima_main.c:499 do_open fs/namei.c:3376 [inline] path_openat+0x15ca/0x27f0 fs/namei.c:3507 do_filp_open+0x1aa/0x400 fs/namei.c:3534 do_sys_openat2+0x16d/0x420 fs/open.c:1204 do_sys_open fs/open.c:1220 [inline] __do_sys_openat fs/open.c:1236 [inline] __se_sys_openat fs/open.c:1231 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1231 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: 0033:0x4196d4 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007f0b0ffffcc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004196d4 RDX: 0000000000161f42 RSI: 00007f0b0ffffd60 RDI: 00000000ffffff9c RBP: 00007f0b0ffffd60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000161f42 R13: 00007ffc9d603f8f R14: 00007f0b10000300 R15: 0000000000022000 Modules linked in: CR2: ffffffffffffffc8 ---[ end trace f24c6f9b10eb9be9 ]--- 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:ffffc900001489b8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: ffffc9000591a000 RDX: 0000000000040000 RSI: ffffffff830a0050 RDI: ffffc90000148928 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000029125 R11: 0000000000000000 R12: ffff88811e203678 R13: ffff88811e203240 R14: ffff88811e203688 R15: ffff888109a453a8 FS: 00007f0b10000700(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffc8 CR3: 000000013d40f000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400