ata1.00: cmd 9f/04:00:00:00:00/00:00:00:00:00/40 tag 0 res 41/04:00:00:00:00/04:00:00:00:00/e0 Emask 0x1 (device error) ata1.00: status: { DRDY ERR } ata1.00: error: { ABRT } ata1.00: device reported invalid CHS sector 0 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf] CPU: 1 UID: 0 PID: 12905 Comm: syz-executor.2 Not tainted 6.18.0-rc5-next-20251114 #1 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff8880539b7db0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90003e0a000 RDX: 0000000000000017 RSI: ffffffff817193a8 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8664ed57 R11: 0000000000000001 R12: ffff888018db9c70 R13: ffff888018db9e24 R14: ffffffff85cfdf20 R15: ffff88804a9e5bb8 FS: 00007ff8e2791700(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0d6fa54718 CR3: 0000000053cf7000 CR4: 0000000000350ef0 Call Trace: nsproxy_free+0xfa/0x5a0 create_new_namespaces+0x585/0x750 unshare_nsproxy_namespaces+0xc0/0x200 ksys_unshare+0x468/0xa10 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff8e521bb19 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:00007ff8e2791188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007ff8e532ef60 RCX: 00007ff8e521bb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000002c020600 RBP: 00007ff8e5275f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdfd226ff R14: 00007ff8e2791300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff8880539b7db0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90003e0a000 RDX: 0000000000000017 RSI: ffffffff817193a8 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8664ed57 R11: 0000000000000001 R12: ffff888018db9c70 R13: ffff888018db9e24 R14: ffffffff85cfdf20 R15: ffff88804a9e5bb8 FS: 00007ff8e2791700(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0d6fa54718 CR3: 0000000053cf7000 CR4: 0000000000350ef0 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#2] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf] CPU: 1 UID: 0 PID: 12937 Comm: syz-executor.2 Tainted: G D 6.18.0-rc5-next-20251114 #1 PREEMPT(voluntary) Tainted: [D]=DIE Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff888016aefdb0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90003e0a000 RDX: 0000000000000017 RSI: ffffffff817193a8 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8664ed57 R11: 0000000000000000 R12: ffff888018dba4f8 R13: ffff888018dba6ac R14: ffffffff85cfdf20 R15: ffff888050cc2438 FS: 00007ff8e2791700(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cd24000 CR3: 000000001f9e3000 CR4: 0000000000350ef0 Call Trace: nsproxy_free+0xfa/0x5a0 create_new_namespaces+0x585/0x750 unshare_nsproxy_namespaces+0xc0/0x200 ksys_unshare+0x468/0xa10 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff8e521bb19 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:00007ff8e2791188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007ff8e532ef60 RCX: 00007ff8e521bb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000002c020600 RBP: 00007ff8e5275f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdfd226ff R14: 00007ff8e2791300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff8880539b7db0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90003e0a000 RDX: 0000000000000017 RSI: ffffffff817193a8 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8664ed57 R11: 0000000000000001 R12: ffff888018db9c70 R13: ffff888018db9e24 R14: ffffffff85cfdf20 R15: ffff88804a9e5bb8 FS: 00007ff8e2791700(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cd24000 CR3: 000000001f9e3000 CR4: 0000000000350ef0 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#3] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf] CPU: 1 UID: 0 PID: 12973 Comm: syz-executor.2 Tainted: G D 6.18.0-rc5-next-20251114 #1 PREEMPT(voluntary) Tainted: [D]=DIE Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff88801b5ffdb0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90003e0a000 RDX: 0000000000000017 RSI: ffffffff817193a8 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8664ed57 R11: 0000000000000000 R12: ffff888018dbaaa8 R13: ffff888018dbac5c R14: ffffffff85cfdf20 R15: ffff88804ba00878 FS: 00007ff8e2791700(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0d6fa54718 CR3: 0000000050a77000 CR4: 0000000000350ef0 Call Trace: nsproxy_free+0xfa/0x5a0 create_new_namespaces+0x585/0x750 unshare_nsproxy_namespaces+0xc0/0x200 ksys_unshare+0x468/0xa10 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff8e521bb19 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:00007ff8e2791188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007ff8e532ef60 RCX: 00007ff8e521bb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000002c020600 RBP: 00007ff8e5275f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdfd226ff R14: 00007ff8e2791300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff8880539b7db0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90003e0a000 RDX: 0000000000000017 RSI: ffffffff817193a8 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8664ed57 R11: 0000000000000001 R12: ffff888018db9c70 R13: ffff888018db9e24 R14: ffffffff85cfdf20 R15: ffff88804a9e5bb8 FS: 00007ff8e2791700(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0d6fa54718 CR3: 0000000050a77000 CR4: 0000000000350ef0 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#4] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf] CPU: 0 UID: 0 PID: 13010 Comm: syz-executor.2 Tainted: G D 6.18.0-rc5-next-20251114 #1 PREEMPT(voluntary) Tainted: [D]=DIE Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff88800eef7db0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90003e0a000 RDX: 0000000000000017 RSI: ffffffff817193a8 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8664ed57 R11: 00000000000001fe R12: ffff888013868e38 R13: ffff888013868fec R14: ffffffff85cfdf20 R15: ffff8880138c5bb8 FS: 00007ff8e2791700(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555ff40c58 CR3: 0000000013ac8000 CR4: 0000000000350ef0 Call Trace: nsproxy_free+0xfa/0x5a0 create_new_namespaces+0x585/0x750 unshare_nsproxy_namespaces+0xc0/0x200 ksys_unshare+0x468/0xa10 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff8e521bb19 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:00007ff8e2791188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007ff8e532ef60 RCX: 00007ff8e521bb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000002c020600 RBP: 00007ff8e5275f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdfd226ff R14: 00007ff8e2791300 R15: 0000000000022000 Modules linked in: hpet: Lost 1 RTC interrupts ---[ end trace 0000000000000000 ]--- RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff8880539b7db0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90003e0a000 RDX: 0000000000000017 RSI: ffffffff817193a8 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8664ed57 R11: 0000000000000001 R12: ffff888018db9c70 R13: ffff888018db9e24 R14: ffffffff85cfdf20 R15: ffff88804a9e5bb8 FS: 00007ff8e2791700(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555ff40c58 CR3: 0000000013ac8000 CR4: 0000000000350ef0 loop3: detected capacity change from 0 to 255 FAT-fs (loop3): bread failed, FSINFO block (sector = 189) loop3: detected capacity change from 0 to 255 FAT-fs (loop3): bread failed, FSINFO block (sector = 189) Bluetooth: hci0: Unexpected cc 0x1f29 with no status Bluetooth: hci0: ACL packet for unknown connection handle 2745 Bluetooth: hci0: SCO packet for unknown connection handle 201 Bluetooth: hci0: Unexpected cc 0x1f29 with no status Bluetooth: hci0: ACL packet for unknown connection handle 2745 loop3: detected capacity change from 0 to 255 FAT-fs (loop3): bread failed, FSINFO block (sector = 189) Bluetooth: hci5: Unexpected cc 0x1f29 with no status Bluetooth: hci0: Unexpected cc 0x1f29 with no status Bluetooth: hci5: ACL packet for unknown connection handle 2745 Bluetooth: hci0: ACL packet for unknown connection handle 2745 loop3: detected capacity change from 0 to 255 Bluetooth: hci0: SCO packet for unknown connection handle 201 Bluetooth: hci5: Unexpected cc 0x1f29 with no status Bluetooth: hci5: ACL packet for unknown connection handle 2745 FAT-fs (loop3): bread failed, FSINFO block (sector = 189) Bluetooth: hci5: Unexpected cc 0x1f29 with no status Bluetooth: hci5: ACL packet for unknown connection handle 2745 Bluetooth: hci0: Unexpected cc 0x1f29 with no status Bluetooth: hci0: ACL packet for unknown connection handle 2745 Bluetooth: hci0: SCO packet for unknown connection handle 201 loop3: detected capacity change from 0 to 255 FAT-fs (loop3): bread failed, FSINFO block (sector = 189) Bluetooth: hci0: Unexpected cc 0x1f29 with no status Bluetooth: hci0: ACL packet for unknown connection handle 2745 Bluetooth: hci0: SCO packet for unknown connection handle 201 audit: type=1326 audit(2000000133.934:48): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=13303 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f0d724ffb19 code=0x0 audit: type=1326 audit(2000000134.843:49): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=13313 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f0d724ffb19 code=0x0 pci 0000:00:02.0: vgaarb: VGA decodes changed: olddecodes=none,decodes=io+mem:owns=io+mem audit: type=1400 audit(2000000135.729:50): avc: denied { watch_reads } for pid=13343 comm="syz-executor.2" path="/syzkaller-testdir500944018/syzkaller.9ZP010/391" dev="sda" ino=15996 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=dir permissive=1 pci 0000:00:02.0: vgaarb: VGA decodes changed: olddecodes=io+mem,decodes=io+mem:owns=io+mem serio: Serial port ptm0 audit: type=1326 audit(2000000135.803:51): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=13353 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f0d724ffb19 code=0x0 pci 0000:00:02.0: vgaarb: VGA decodes changed: olddecodes=io+mem,decodes=io+mem:owns=io+mem serio: Serial port ptm0 pci 0000:00:02.0: vgaarb: VGA decodes changed: olddecodes=io+mem,decodes=io+mem:owns=io+mem audit: type=1326 audit(2000000136.751:52): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=13483 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f0d724ffb19 code=0x0 serio: Serial port ptm0 loop1: detected capacity change from 0 to 1024 EXT4-fs error (device loop1): ext4_quota_enable:7137: inode #4: comm syz-executor.1: iget: special inode unallocated EXT4-fs error (device loop1): ext4_quota_enable:7139: comm syz-executor.1: Bad quota inode: 4, type: 1 EXT4-fs warning (device loop1): ext4_enable_quotas:7177: Failed to enable quota tracking (type=1, err=-117, ino=4). Please run e2fsck to fix. EXT4-fs (loop1): mount failed loop1: detected capacity change from 0 to 1024 EXT4-fs error (device loop1): ext4_quota_enable:7137: inode #4: comm syz-executor.1: iget: special inode unallocated EXT4-fs error (device loop1): ext4_quota_enable:7139: comm syz-executor.1: Bad quota inode: 4, type: 1 EXT4-fs warning (device loop1): ext4_enable_quotas:7177: Failed to enable quota tracking (type=1, err=-117, ino=4). Please run e2fsck to fix. EXT4-fs (loop1): mount failed loop1: detected capacity change from 0 to 1024 EXT4-fs error (device loop1): ext4_quota_enable:7137: inode #4: comm syz-executor.1: iget: special inode unallocated EXT4-fs error (device loop1): ext4_quota_enable:7139: comm syz-executor.1: Bad quota inode: 4, type: 1 EXT4-fs warning (device loop1): ext4_enable_quotas:7177: Failed to enable quota tracking (type=1, err=-117, ino=4). Please run e2fsck to fix. EXT4-fs (loop1): mount failed loop1: detected capacity change from 0 to 1024 serio: Serial port ptm0 EXT4-fs error (device loop1): ext4_quota_enable:7137: inode #4: comm syz-executor.1: iget: special inode unallocated EXT4-fs error (device loop1): ext4_quota_enable:7139: comm syz-executor.1: Bad quota inode: 4, type: 1 EXT4-fs warning (device loop1): ext4_enable_quotas:7177: Failed to enable quota tracking (type=1, err=-117, ino=4). Please run e2fsck to fix. EXT4-fs (loop1): mount failed ---------------- Code disassembly (best guess): 0: 89 fd mov %edi,%ebp 2: 53 push %rbx 3: e8 42 a0 03 00 callq 0x3a04a 8: 48 85 ed test %rbp,%rbp b: 74 3d je 0x4a d: e8 38 a0 03 00 callq 0x3a04a 12: 48 8d bd d0 00 00 00 lea 0xd0(%rbp),%rdi 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 75 35 jne 0x65 30: 48 8b 9d d0 00 00 00 mov 0xd0(%rbp),%rbx 37: bf 08 00 00 00 mov $0x8,%edi 3c: 48 89 de mov %rbx,%rsi 3f: e8 .byte 0xe8