BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6075 Comm: syz-executor.5 Not tainted 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888040317cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd0c0 RCX: 1ffffe21fe5ff4eb RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9a18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007f8956503700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003924e000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f8958f8db19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8956503188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f89590a0f60 RCX: 00007f8958f8db19 RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f8958fe7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe627c51df R14: 00007f8956503300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888040317cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd0c0 RCX: 1ffffe21fe5ff4eb RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9a18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007f8956503700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003924e000 CR4: 0000000000350ee0 random: crng reseeded on system resumption Restarting kernel threads ... done. loop7: detected capacity change from 0 to 264192 EXT4-fs: quotafile must be on filesystem root loop6: detected capacity change from 0 to 264192 EXT4-fs: quotafile must be on filesystem root loop7: detected capacity change from 0 to 264192 EXT4-fs: quotafile must be on filesystem root loop6: detected capacity change from 0 to 264192 EXT4-fs: quotafile must be on filesystem root BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#2] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6119 Comm: syz-executor.5 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff8880408afcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd240 RCX: 1ffffe21fe5ff4f1 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9a48 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd240 R14: ffffffff815f27a0 R15: 1ffff110010e5c1f FS: 00007f89564e2700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003924e000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f8958f8db19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f89564e2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f89590a1020 RCX: 00007f8958f8db19 RDX: 0000000000000001 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f8958fe7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe627c51df R14: 00007f89564e2300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888040317cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd0c0 RCX: 1ffffe21fe5ff4eb RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9a18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007f89564e2700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003924e000 CR4: 0000000000350ee0 loop6: detected capacity change from 0 to 264192 loop7: detected capacity change from 0 to 264192 EXT4-fs: quotafile must be on filesystem root EXT4-fs: quotafile must be on filesystem root BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#3] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6138 Comm: syz-executor.5 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888038347cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd3c0 RCX: 1ffffe21fe5ff4f7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9a78 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd3c0 R14: ffffffff815f27a0 R15: 1ffff1100119901f FS: 00007f8956503700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000041028000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f8958f8db19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8956503188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f89590a0f60 RCX: 00007f8958f8db19 RDX: 0000000000000002 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f8958fe7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe627c51df R14: 00007f8956503300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888040317cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd0c0 RCX: 1ffffe21fe5ff4eb RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9a18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007f8956503700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000041028000 CR4: 0000000000350ee0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#4] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6155 Comm: syz-executor.7 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888034f27cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd540 RCX: 1ffffe21fe5ff4fd RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9aa8 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd540 R14: ffffffff815f27a0 R15: 1ffff110011ad41f FS: 00007fe2f1546700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 00000000153bc000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fe2f3ff1b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe2f1546188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe2f4105020 RCX: 00007fe2f3ff1b19 RDX: 0000000000000003 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007fe2f404bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd210295ff R14: 00007fe2f1546300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888040317cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd0c0 RCX: 1ffffe21fe5ff4eb RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9a18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007fe2f1546700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 00000000153bc000 CR4: 0000000000350ee0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#5] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6181 Comm: syz-executor.3 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888041f0fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd6c0 RCX: 1ffffe21fe5ff503 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9ad8 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd6c0 R14: ffffffff815f27a0 R15: 1ffff11001116e1f FS: 00007ff608723700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000ec9c000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7ff60b1adb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff608723188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff60b2c0f60 RCX: 00007ff60b1adb19 RDX: 0000000000000004 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007ff60b207f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffe4bae1af R14: 00007ff608723300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888040317cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd0c0 RCX: 1ffffe21fe5ff4eb RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9a18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007ff608723700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000ec9c000 CR4: 0000000000350ee0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#6] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6194 Comm: syz-executor.6 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888041a1fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd9c0 RCX: 1ffffe21fe5ff50f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9b38 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd9c0 R14: ffffffff815f27a0 R15: 1ffff11001200a1f FS: 00007fb7d7fd0700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000bc7c000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fb7daa5ab19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb7d7fd0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb7dab6df60 RCX: 00007fb7daa5ab19 RDX: 0000000000000006 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007fb7daab4f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffed99efc3f R14: 00007fb7d7fd0300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888040317cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd0c0 RCX: 1ffffe21fe5ff4eb RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9a18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007fb7d7fd0700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000bc7c000 CR4: 0000000000350ee0 hpet: Lost 1 RTC interrupts BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#7] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6192 Comm: syz-executor.4 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88804051fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd840 RCX: 1ffffe21fe5ff509 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9b08 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd840 R14: ffffffff815f27a0 R15: 1ffff11001116a1f FS: 00007f81c3c0b700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 00000000153bc000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f81c6695b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f81c3c0b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f81c67a8f60 RCX: 00007f81c6695b19 RDX: 0000000000000005 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f81c66eff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcfc40d3ff R14: 00007f81c3c0b300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888040317cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd0c0 RCX: 1ffffe21fe5ff4eb RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9a18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007f81c3c0b700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 00000000153bc000 CR4: 0000000000350ee0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#8] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6211 Comm: syz-executor.3 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888041d97cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcdb40 RCX: 1ffffe21fe5ff515 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9b68 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcdb40 R14: ffffffff815f27a0 R15: 1ffff1100120061f FS: 00007ff608723700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 00000000153bc000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7ff60b1adb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff608723188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff60b2c0f60 RCX: 00007ff60b1adb19 RDX: 0000000000000007 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007ff60b207f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffe4bae1af R14: 00007ff608723300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888040317cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd0c0 RCX: 1ffffe21fe5ff4eb RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9a18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007ff608723700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 00000000153bc000 CR4: 0000000000350ee0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#9] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6231 Comm: syz-executor.5 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888041137cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcdd80 RCX: 1ffffe21fe5ff51e RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9bb0 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcdd80 R14: ffffffff815f27a0 R15: 1ffff110085e3c1f FS: 00007f89564e2700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000bba4000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f8958f8db19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f89564e2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f89590a1020 RCX: 00007f8958f8db19 RDX: 0000000000000001 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f8958fe7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe627c51df R14: 00007f89564e2300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888040317cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd0c0 RCX: 1ffffe21fe5ff4eb RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9a18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007f89564e2700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000bba4000 CR4: 0000000000350ee0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#10] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6230 Comm: syz-executor.7 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff8880414d7cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcdf00 RCX: 1ffffe21fe5ff524 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9be0 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcdf00 R14: ffffffff815f27a0 R15: 1ffff110085e3a1f FS: 00007fe2f1546700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000e9c0000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fe2f3ff1b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe2f1546188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe2f4105020 RCX: 00007fe2f3ff1b19 RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007fe2f404bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd210295ff R14: 00007fe2f1546300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888040317cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfcd0c0 RCX: 1ffffe21fe5ff4eb RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfe6a00 R08: 0000000000000005 R09: ffffed10017f9a18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfe6a00 R13: ffff88800bfcd0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007fe2f1546700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000e9c0000 CR4: 0000000000350ee0 Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout audit: type=1400 audit(1667218077.821:10): avc: denied { read } for pid=6356 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) b: 49 89 f9 mov %rdi,%r9 e: 48 89 d1 mov %rdx,%rcx 11: 83 e2 07 and $0x7,%edx 14: 48 c1 e9 03 shr $0x3,%rcx 18: 40 0f b6 f6 movzbl %sil,%esi 1c: 48 b8 01 01 01 01 01 movabs $0x101010101010101,%rax 23: 01 01 01 26: 48 0f af c6 imul %rsi,%rax * 2a: f3 48 ab rep stos %rax,%es:(%rdi) <-- trapping instruction 2d: 89 d1 mov %edx,%ecx 2f: f3 aa rep stos %al,%es:(%rdi) 31: 4c 89 c8 mov %r9,%rax 34: e9 4d d4 12 00 jmpq 0x12d486 39: 66 data16 3a: 66 data16 3b: 2e cs 3c: 0f .byte 0xf 3d: 1f (bad) 3e: 84 00 test %al,(%rax)