Extracting prog: 1m54.303286278s
Minimizing prog: 14m0.368755085s
Simplifying prog options: 0s
Extracting C: 2m29.492148679s
Simplifying C: 12m3.228769906s
extracting reproducer from 58 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf)
ioctl$TCFLSH(r0, 0x400455c8, 0x20000000008)
program crashed: general protection fault in qca_close
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=54.072057232s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-ioctl$TIOCSETD
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf)
program did not crash
testing program (duration=54.072057232s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-ioctl$TCFLSH
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TCFLSH(r0, 0x400455c8, 0x20000000008)
program did not crash
testing program (duration=54.072057232s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TIOCSETD-ioctl$TCFLSH
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000000c0)=0xf)
ioctl$TCFLSH(0xffffffffffffffff, 0x400455c8, 0x20000000008)
program did not crash
testing program (duration=54.072057232s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf)
ioctl$TCFLSH(r0, 0x400455c8, 0x20000000008)
program did not crash
testing program (duration=54.072057232s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, 0x0)
ioctl$TCFLSH(r0, 0x400455c8, 0x20000000008)
program did not crash
extracting C reproducer
testing compiled C program (duration=54.072057232s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH
program crashed: general protection fault in qca_close
simplifying C reproducer
testing compiled C program (duration=54.072057232s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH
program crashed: general protection fault in qca_close
testing compiled C program (duration=54.072057232s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH
program crashed: general protection fault in qca_close
testing compiled C program (duration=54.072057232s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH
program crashed: general protection fault in qca_close
testing compiled C program (duration=54.072057232s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH
program crashed: general protection fault in qca_close
testing compiled C program (duration=54.072057232s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH
program crashed: general protection fault in qca_close
testing compiled C program (duration=54.072057232s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH
program crashed: general protection fault in qca_close
testing compiled C program (duration=54.072057232s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH
program crashed: general protection fault in qca_close
reproducing took 30m27.392988868s
repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc000000002b: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000158-0x000000000000015f]
CPU: 0 UID: 0 PID: 5828 Comm: syz-executor271 Not tainted 6.14.0-rc1-next-20250204-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:serial_clock_vote drivers/bluetooth/hci_qca.c:301 [inline]
RIP: 0010:qca_close+0x72/0x2e0 drivers/bluetooth/hci_qca.c:723
Code: 64 af f6 f8 48 89 2c 24 42 80 7c 2d 00 00 74 08 4c 89 f7 e8 20 28 5d f9 4d 8b 26 49 8d bc 24 5a 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 4c 89 eb 0f 85 de 01 00 00 45 0f b6 ac 24 5a
RSP: 0018:ffffc900040ef9f0 EFLAGS: 00010206
RAX: 000000000000002b RBX: ffff888034130000 RCX: ffff88802d3ebc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000015a
RBP: 1ffff11006826037 R08: ffffffff8187d8b3 R09: 1ffffffff2860723
R10: dffffc0000000000 R11: ffffffff88c8a130 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880341301b8 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5692a540d0 CR3: 000000000e738000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
hci_uart_tty_close+0x205/0x290 drivers/bluetooth/hci_ldisc.c:557
tty_ldisc_kill+0xa3/0x1a0 drivers/tty/tty_ldisc.c:613
tty_ldisc_release+0x1a1/0x200 drivers/tty/tty_ldisc.c:781
tty_release_struct+0x2b/0xe0 drivers/tty/tty_io.c:1690
tty_release+0xd06/0x12c0 drivers/tty/tty_io.c:1861
__fput+0x3e9/0x9f0 fs/file_table.c:448
task_work_run+0x24f/0x310 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0xa2a/0x28e0 kernel/exit.c:938
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
__do_sys_exit_group kernel/exit.c:1098 [inline]
__se_sys_exit_group kernel/exit.c:1096 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f56929d8c79
Code: Unable to access opcode bytes at 0x7f56929d8c4f.
RSP: 002b:00007fff455f4558 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f56929d8c79
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f5692a53270 R08: ffffffffffffffb8 R09: 00007fff455f4778
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5692a53270
R13: 0000000000000000 R14: 00007f5692a53cc0 R15: 00007f56929aaa60
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:serial_clock_vote drivers/bluetooth/hci_qca.c:301 [inline]
RIP: 0010:qca_close+0x72/0x2e0 drivers/bluetooth/hci_qca.c:723
Code: 64 af f6 f8 48 89 2c 24 42 80 7c 2d 00 00 74 08 4c 89 f7 e8 20 28 5d f9 4d 8b 26 49 8d bc 24 5a 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 4c 89 eb 0f 85 de 01 00 00 45 0f b6 ac 24 5a
RSP: 0018:ffffc900040ef9f0 EFLAGS: 00010206
RAX: 000000000000002b RBX: ffff888034130000 RCX: ffff88802d3ebc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000015a
RBP: 1ffff11006826037 R08: ffffffff8187d8b3 R09: 1ffffffff2860723
R10: dffffc0000000000 R11: ffffffff88c8a130 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880341301b8 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f8e7026000 CR3: 000000006c92a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 64 af fs scas %es:(%rdi),%eax
2: f6 f8 idiv %al
4: 48 89 2c 24 mov %rbp,(%rsp)
8: 42 80 7c 2d 00 00 cmpb $0x0,0x0(%rbp,%r13,1)
e: 74 08 je 0x18
10: 4c 89 f7 mov %r14,%rdi
13: e8 20 28 5d f9 call 0xf95d2838
18: 4d 8b 26 mov (%r14),%r12
1b: 49 8d bc 24 5a 01 00 lea 0x15a(%r12),%rdi
22: 00
23: 48 89 f8 mov %rdi,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 4c 89 eb mov %r13,%rbx
34: 0f 85 de 01 00 00 jne 0x218
3a: 45 rex.RB
3b: 0f .byte 0xf
3c: b6 ac mov $0xac,%dh
3e: 24 5a and $0x5a,%al
final repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc000000002b: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000158-0x000000000000015f]
CPU: 0 UID: 0 PID: 5828 Comm: syz-executor271 Not tainted 6.14.0-rc1-next-20250204-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:serial_clock_vote drivers/bluetooth/hci_qca.c:301 [inline]
RIP: 0010:qca_close+0x72/0x2e0 drivers/bluetooth/hci_qca.c:723
Code: 64 af f6 f8 48 89 2c 24 42 80 7c 2d 00 00 74 08 4c 89 f7 e8 20 28 5d f9 4d 8b 26 49 8d bc 24 5a 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 4c 89 eb 0f 85 de 01 00 00 45 0f b6 ac 24 5a
RSP: 0018:ffffc900040ef9f0 EFLAGS: 00010206
RAX: 000000000000002b RBX: ffff888034130000 RCX: ffff88802d3ebc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000015a
RBP: 1ffff11006826037 R08: ffffffff8187d8b3 R09: 1ffffffff2860723
R10: dffffc0000000000 R11: ffffffff88c8a130 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880341301b8 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5692a540d0 CR3: 000000000e738000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
hci_uart_tty_close+0x205/0x290 drivers/bluetooth/hci_ldisc.c:557
tty_ldisc_kill+0xa3/0x1a0 drivers/tty/tty_ldisc.c:613
tty_ldisc_release+0x1a1/0x200 drivers/tty/tty_ldisc.c:781
tty_release_struct+0x2b/0xe0 drivers/tty/tty_io.c:1690
tty_release+0xd06/0x12c0 drivers/tty/tty_io.c:1861
__fput+0x3e9/0x9f0 fs/file_table.c:448
task_work_run+0x24f/0x310 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0xa2a/0x28e0 kernel/exit.c:938
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
__do_sys_exit_group kernel/exit.c:1098 [inline]
__se_sys_exit_group kernel/exit.c:1096 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f56929d8c79
Code: Unable to access opcode bytes at 0x7f56929d8c4f.
RSP: 002b:00007fff455f4558 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f56929d8c79
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f5692a53270 R08: ffffffffffffffb8 R09: 00007fff455f4778
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5692a53270
R13: 0000000000000000 R14: 00007f5692a53cc0 R15: 00007f56929aaa60
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:serial_clock_vote drivers/bluetooth/hci_qca.c:301 [inline]
RIP: 0010:qca_close+0x72/0x2e0 drivers/bluetooth/hci_qca.c:723
Code: 64 af f6 f8 48 89 2c 24 42 80 7c 2d 00 00 74 08 4c 89 f7 e8 20 28 5d f9 4d 8b 26 49 8d bc 24 5a 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 4c 89 eb 0f 85 de 01 00 00 45 0f b6 ac 24 5a
RSP: 0018:ffffc900040ef9f0 EFLAGS: 00010206
RAX: 000000000000002b RBX: ffff888034130000 RCX: ffff88802d3ebc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000015a
RBP: 1ffff11006826037 R08: ffffffff8187d8b3 R09: 1ffffffff2860723
R10: dffffc0000000000 R11: ffffffff88c8a130 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880341301b8 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f8e7026000 CR3: 000000006c92a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 64 af fs scas %es:(%rdi),%eax
2: f6 f8 idiv %al
4: 48 89 2c 24 mov %rbp,(%rsp)
8: 42 80 7c 2d 00 00 cmpb $0x0,0x0(%rbp,%r13,1)
e: 74 08 je 0x18
10: 4c 89 f7 mov %r14,%rdi
13: e8 20 28 5d f9 call 0xf95d2838
18: 4d 8b 26 mov (%r14),%r12
1b: 49 8d bc 24 5a 01 00 lea 0x15a(%r12),%rdi
22: 00
23: 48 89 f8 mov %rdi,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 4c 89 eb mov %r13,%rbx
34: 0f 85 de 01 00 00 jne 0x218
3a: 45 rex.RB
3b: 0f .byte 0xf
3c: b6 ac mov $0xac,%dh
3e: 24 5a and $0x5a,%al