Extracting prog: 3m4.989962166s
Minimizing prog: 6m58.32646617s
Simplifying prog options: 4m54.189054044s
Extracting C: 2m30.681166706s
Simplifying C: 0s
extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount
detailed listing:
executing program 0:
mount(&(0x7f0000000080)=@loop={'/dev/loop', 0x0}, &(0x7f00000001c0)='./cgroup\x00', &(0x7f0000000000)='xfs\x00', 0x1a0c099, 0x0)
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount
detailed listing:
executing program 0:
mount(&(0x7f0000000080)=@loop={'/dev/loop', 0x0}, &(0x7f00000001c0)='./cgroup\x00', &(0x7f0000000000)='xfs\x00', 0x1a0c099, 0x0)
program crashed: WARNING in print_bfs_bug
single: successfully extracted reproducer
found reproducer with 1 syscalls
minimizing guilty program
testing program (duration=2m12.989735724s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount
detailed listing:
executing program 0:
mount(0x0, &(0x7f00000001c0)='./cgroup\x00', &(0x7f0000000000)='xfs\x00', 0x1a0c099, 0x0)
program did not crash
testing program (duration=2m12.989735724s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount
detailed listing:
executing program 0:
mount(&(0x7f0000000080)=@loop={'/dev/loop', 0x0}, 0x0, &(0x7f0000000000)='xfs\x00', 0x1a0c099, 0x0)
program did not crash
testing program (duration=2m12.989735724s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount
detailed listing:
executing program 0:
mount(&(0x7f0000000080)=@loop={'/dev/loop', 0x0}, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x1a0c099, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=2m12.989735724s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount
program did not crash
simplifying guilty program options
testing program (duration=2m12.989735724s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount
detailed listing:
executing program 0:
mount(&(0x7f0000000080)=@loop={'/dev/loop', 0x0}, &(0x7f00000001c0)='./cgroup\x00', &(0x7f0000000000)='xfs\x00', 0x1a0c099, 0x0)
program did not crash
testing program (duration=2m12.989735724s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount
detailed listing:
executing program 0:
mount(&(0x7f0000000080)=@loop={'/dev/loop', 0x0}, &(0x7f00000001c0)='./cgroup\x00', &(0x7f0000000000)='xfs\x00', 0x1a0c099, 0x0)
program did not crash
testing program (duration=2m12.989735724s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount
detailed listing:
executing program 0:
mount(&(0x7f0000000080)=@loop={'/dev/loop', 0x0}, &(0x7f00000001c0)='./cgroup\x00', &(0x7f0000000000)='xfs\x00', 0x1a0c099, 0x0)
program crashed: WARNING in print_bfs_bug
validation run: crashed=true
testing program (duration=2m12.989735724s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount
detailed listing:
executing program 0:
mount(&(0x7f0000000080)=@loop={'/dev/loop', 0x0}, &(0x7f00000001c0)='./cgroup\x00', &(0x7f0000000000)='xfs\x00', 0x1a0c099, 0x0)
program crashed: WARNING in print_bfs_bug
validation run: crashed=true
testing program (duration=2m12.989735724s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount
detailed listing:
executing program 0:
mount(&(0x7f0000000080)=@loop={'/dev/loop', 0x0}, &(0x7f00000001c0)='./cgroup\x00', &(0x7f0000000000)='xfs\x00', 0x1a0c099, 0x0)
program crashed: WARNING in print_bfs_bug
validation run: crashed=true
reproducing took 22m9.356519013s
repro crashed as (corrupted=false):
Increase LOCKDEP_CIRCULAR_QUEUE_BITS to avoid this warning:
------------[ cut here ]------------
lockdep bfs error:-1
WARNING: kernel/locking/lockdep.c:2059 at print_bfs_bug+0x24/0x40 kernel/locking/lockdep.c:2059, CPU#2: syz.1.2031/20163
Modules linked in:
CPU: 2 UID: 0 PID: 20163 Comm: syz.1.2031 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:print_bfs_bug+0x26/0x40 kernel/locking/lockdep.c:2059
Code: 90 90 90 90 55 53 89 fb e8 57 8a 18 03 89 c5 e8 20 ff ff ff 85 ed 74 17 83 fb ff 0f 84 58 52 3d ff 48 8d 3d bc 5f fa 0e 89 de <67> 48 0f b9 3a 5b 5d c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00
RSP: 0018:ffffc9000d0df1f8 EFLAGS: 00010082
RAX: 000000000000003b RBX: 00000000ffffffff RCX: 0000000000000000
RDX: 000000000000003b RSI: 00000000ffffffff RDI: ffffffff90df0330
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000003 R11: 6573616572636e49 R12: ffffc9000d0df270
R13: ffff8880317cd6c0 R14: ffffc9000d0df2b0 R15: ffff8880317cca80
FS: 00007fdcb04446c0(0000) GS:ffff8880d64ec000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5106c4f270 CR3: 000000003c3fe000 CR4: 0000000000352ef0
Call Trace:
check_irq_usage+0x332/0x810 kernel/locking/lockdep.c:2816
check_prev_add+0xfe/0xe60 kernel/locking/lockdep.c:3169
check_prevs_add kernel/locking/lockdep.c:3284 [inline]
validate_chain kernel/locking/lockdep.c:3908 [inline]
__lock_acquire+0x136c/0x1a40 kernel/locking/lockdep.c:5237
lock_acquire kernel/locking/lockdep.c:5868 [inline]
lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5825
seqcount_lockdep_reader_access include/linux/seqlock.h:73 [inline]
ktime_expiry_to_cycles+0x9b/0x2c0 kernel/time/timekeeping.c:910
clockevent_set_next_coupled kernel/time/clockevents.c:314 [inline]
clockevents_program_event+0x1bf/0x820 kernel/time/clockevents.c:360
tick_program_event+0xa9/0x140 kernel/time/tick-oneshot.c:48
hrtimer_rearm_event kernel/time/hrtimer.c:707 [inline]
hrtimer_rearm kernel/time/hrtimer.c:2141 [inline]
__hrtimer_rearm_deferred+0x234/0x720 kernel/time/hrtimer.c:2161
hrtick_schedule_exit kernel/sched/core.c:1013 [inline]
__schedule+0x4be8/0x6730 kernel/sched/core.c:7232
preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7552
irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline]
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x205/0xa00 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_acquire+0x5e/0x370 kernel/locking/lockdep.c:5872
Code: 05 7b 30 2e 12 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 c6 5a f6 0e 0f 82 ac 02 00 00 8b 35 8e 8e f6 0e 85 f6 0f 85 c7 00 00 00 <48> 8b 44 24 30 65 48 2b 05 1d 30 2e 12 0f 85 ec 02 00 00 48 83 c4
RSP: 0018:ffffc9000d0df8e8 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8df31a47 RDI: ffffffff8c1e7180
RBP: ffff88805a0b4940 R08: 00000000001b6fd8 R09: ffffffff96f5a128
R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
touch_wq_lockdep_map+0xad/0x1c0 kernel/workqueue.c:4037
__flush_workqueue+0x131/0x1200 kernel/workqueue.c:4079
drain_workqueue+0x175/0x3b0 kernel/workqueue.c:4243
destroy_workqueue+0xc3/0xa30 kernel/workqueue.c:6068
xfs_destroy_mount_workqueues+0xe7/0x150 fs/xfs/xfs_super.c:654
xfs_fs_fill_super+0x98f/0x1f40 fs/xfs/xfs_super.c:1969
get_tree_bdev_flags+0x38c/0x620 fs/super.c:1634
vfs_get_tree+0x92/0x320 fs/super.c:1694
fc_mount fs/namespace.c:1198 [inline]
do_new_mount_fc fs/namespace.c:3765 [inline]
do_new_mount fs/namespace.c:3841 [inline]
path_mount+0x7d0/0x23d0 fs/namespace.c:4161
do_mount fs/namespace.c:4174 [inline]
__do_sys_mount fs/namespace.c:4390 [inline]
__se_sys_mount fs/namespace.c:4367 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:4367
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdcaf59ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdcb0444028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fdcaf815fa0 RCX: 00007fdcaf59ce59
RDX: 0000200000000000 RSI: 00002000000001c0 RDI: 0000200000000080
RBP: 00007fdcaf632e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001a0c099 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdcaf816038 R14: 00007fdcaf815fa0 R15: 00007ffde76b75e8
----------------
Code disassembly (best guess):
0: 90 nop
1: 90 nop
2: 90 nop
3: 90 nop
4: 55 push %rbp
5: 53 push %rbx
6: 89 fb mov %edi,%ebx
8: e8 57 8a 18 03 call 0x3188a64
d: 89 c5 mov %eax,%ebp
f: e8 20 ff ff ff call 0xffffff34
14: 85 ed test %ebp,%ebp
16: 74 17 je 0x2f
18: 83 fb ff cmp $0xffffffff,%ebx
1b: 0f 84 58 52 3d ff je 0xff3d5279
21: 48 8d 3d bc 5f fa 0e lea 0xefa5fbc(%rip),%rdi # 0xefa5fe4
28: 89 de mov %ebx,%esi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: 5b pop %rbx
30: 5d pop %rbp
31: c3 ret
32: cc int3
33: cc int3
34: cc int3
35: cc int3
36: 66 data16
37: 66 data16
38: 2e cs
39: 0f .byte 0xf
3a: 1f (bad)
3b: 84 00 test %al,(%rax)
3d: 00 00 add %al,(%rax)
final repro crashed as (corrupted=false):
Increase LOCKDEP_CIRCULAR_QUEUE_BITS to avoid this warning:
------------[ cut here ]------------
lockdep bfs error:-1
WARNING: kernel/locking/lockdep.c:2059 at print_bfs_bug+0x24/0x40 kernel/locking/lockdep.c:2059, CPU#2: syz.1.2031/20163
Modules linked in:
CPU: 2 UID: 0 PID: 20163 Comm: syz.1.2031 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:print_bfs_bug+0x26/0x40 kernel/locking/lockdep.c:2059
Code: 90 90 90 90 55 53 89 fb e8 57 8a 18 03 89 c5 e8 20 ff ff ff 85 ed 74 17 83 fb ff 0f 84 58 52 3d ff 48 8d 3d bc 5f fa 0e 89 de <67> 48 0f b9 3a 5b 5d c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00
RSP: 0018:ffffc9000d0df1f8 EFLAGS: 00010082
RAX: 000000000000003b RBX: 00000000ffffffff RCX: 0000000000000000
RDX: 000000000000003b RSI: 00000000ffffffff RDI: ffffffff90df0330
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000003 R11: 6573616572636e49 R12: ffffc9000d0df270
R13: ffff8880317cd6c0 R14: ffffc9000d0df2b0 R15: ffff8880317cca80
FS: 00007fdcb04446c0(0000) GS:ffff8880d64ec000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5106c4f270 CR3: 000000003c3fe000 CR4: 0000000000352ef0
Call Trace:
check_irq_usage+0x332/0x810 kernel/locking/lockdep.c:2816
check_prev_add+0xfe/0xe60 kernel/locking/lockdep.c:3169
check_prevs_add kernel/locking/lockdep.c:3284 [inline]
validate_chain kernel/locking/lockdep.c:3908 [inline]
__lock_acquire+0x136c/0x1a40 kernel/locking/lockdep.c:5237
lock_acquire kernel/locking/lockdep.c:5868 [inline]
lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5825
seqcount_lockdep_reader_access include/linux/seqlock.h:73 [inline]
ktime_expiry_to_cycles+0x9b/0x2c0 kernel/time/timekeeping.c:910
clockevent_set_next_coupled kernel/time/clockevents.c:314 [inline]
clockevents_program_event+0x1bf/0x820 kernel/time/clockevents.c:360
tick_program_event+0xa9/0x140 kernel/time/tick-oneshot.c:48
hrtimer_rearm_event kernel/time/hrtimer.c:707 [inline]
hrtimer_rearm kernel/time/hrtimer.c:2141 [inline]
__hrtimer_rearm_deferred+0x234/0x720 kernel/time/hrtimer.c:2161
hrtick_schedule_exit kernel/sched/core.c:1013 [inline]
__schedule+0x4be8/0x6730 kernel/sched/core.c:7232
preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7552
irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline]
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x205/0xa00 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_acquire+0x5e/0x370 kernel/locking/lockdep.c:5872
Code: 05 7b 30 2e 12 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 c6 5a f6 0e 0f 82 ac 02 00 00 8b 35 8e 8e f6 0e 85 f6 0f 85 c7 00 00 00 <48> 8b 44 24 30 65 48 2b 05 1d 30 2e 12 0f 85 ec 02 00 00 48 83 c4
RSP: 0018:ffffc9000d0df8e8 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8df31a47 RDI: ffffffff8c1e7180
RBP: ffff88805a0b4940 R08: 00000000001b6fd8 R09: ffffffff96f5a128
R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
touch_wq_lockdep_map+0xad/0x1c0 kernel/workqueue.c:4037
__flush_workqueue+0x131/0x1200 kernel/workqueue.c:4079
drain_workqueue+0x175/0x3b0 kernel/workqueue.c:4243
destroy_workqueue+0xc3/0xa30 kernel/workqueue.c:6068
xfs_destroy_mount_workqueues+0xe7/0x150 fs/xfs/xfs_super.c:654
xfs_fs_fill_super+0x98f/0x1f40 fs/xfs/xfs_super.c:1969
get_tree_bdev_flags+0x38c/0x620 fs/super.c:1634
vfs_get_tree+0x92/0x320 fs/super.c:1694
fc_mount fs/namespace.c:1198 [inline]
do_new_mount_fc fs/namespace.c:3765 [inline]
do_new_mount fs/namespace.c:3841 [inline]
path_mount+0x7d0/0x23d0 fs/namespace.c:4161
do_mount fs/namespace.c:4174 [inline]
__do_sys_mount fs/namespace.c:4390 [inline]
__se_sys_mount fs/namespace.c:4367 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:4367
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdcaf59ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdcb0444028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fdcaf815fa0 RCX: 00007fdcaf59ce59
RDX: 0000200000000000 RSI: 00002000000001c0 RDI: 0000200000000080
RBP: 00007fdcaf632e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001a0c099 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdcaf816038 R14: 00007fdcaf815fa0 R15: 00007ffde76b75e8
----------------
Code disassembly (best guess):
0: 90 nop
1: 90 nop
2: 90 nop
3: 90 nop
4: 55 push %rbp
5: 53 push %rbx
6: 89 fb mov %edi,%ebx
8: e8 57 8a 18 03 call 0x3188a64
d: 89 c5 mov %eax,%ebp
f: e8 20 ff ff ff call 0xffffff34
14: 85 ed test %ebp,%ebp
16: 74 17 je 0x2f
18: 83 fb ff cmp $0xffffffff,%ebx
1b: 0f 84 58 52 3d ff je 0xff3d5279
21: 48 8d 3d bc 5f fa 0e lea 0xefa5fbc(%rip),%rdi # 0xefa5fe4
28: 89 de mov %ebx,%esi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: 5b pop %rbx
30: 5d pop %rbp
31: c3 ret
32: cc int3
33: cc int3
34: cc int3
35: cc int3
36: 66 data16
37: 66 data16
38: 2e cs
39: 0f .byte 0xf
3a: 1f (bad)
3b: 84 00 test %al,(%rax)
3d: 00 00 add %al,(%rax)