Oops: general protection fault, probably for non-canonical address 0xfe001bea7e001ff0: 0000 [#1] SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0xf000ff53f000ff80-0xf000ff53f000ff87]
CPU: 1 UID: 0 PID: 3961 Comm: syz-executor.3 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:perf_trace_lock_acquire+0x9a/0x700
Code: ff c7 00 f1 f1 f1 f1 c7 40 04 f1 f1 04 f2 c7 40 08 00 f3 f3 f3 65 48 8b 05 6b 4c 33 06 48 89 45 d0 31 c0 4c 89 e0 48 c1 e8 03 <80> 3c 10 00 0f 85 80 04 00 00 48 8b 85 50 ff ff ff 4c 89 95 48 ff
RSP: 0018:ffff88801c1ef258 EFLAGS: 00010016
RAX: 1e001fea7e001ff0 RBX: 1ffff1100383de54 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: f000ff53f000ff6b RDI: ffffffff85b23640
RBP: ffff88801c1ef348 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff85b23640 R11: 0000000000000001 R12: f000ff53f000ff83
R13: ffff88801c1ef320 R14: 0000000000000000 R15: ffff888044c41000
FS: 00007f2e682d0700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2e682d1000 CR3: 0000000043c47000 CR4: 0000000000350ef0
Call Trace:
lock_acquire+0xc5/0x2f0
_raw_spin_lock+0x2b/0x40
__queue_work+0x27d/0x1240
queue_work_on+0xd0/0xe0
loop_queue_rq+0x5c8/0x1180
__blk_mq_issue_directly+0xd5/0x260
blk_mq_request_issue_directly+0x11c/0x1e0
blk_mq_issue_direct+0x192/0x640
blk_mq_dispatch_queue_requests+0x4b0/0x7c0
blk_mq_flush_plug_list+0x1ec/0x5b0
__blk_flush_plug+0x25c/0x460
__submit_bio+0x480/0x5b0
submit_bio_noacct_nocheck+0x68e/0xcb0
submit_bio_noacct+0x359/0x1350
__bread_gfp+0x18b/0x3c0
fat_fill_super+0x5e1/0x3fd0
get_tree_bdev_flags+0x38a/0x620
vfs_get_tree+0x93/0x340
path_mount+0x132d/0x1dd0
__x64_sys_mount+0x27b/0x300
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2e6ad5c04a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f2e682cffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020001480 RCX: 00007f2e6ad5c04a
RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007f2e682d0000
RBP: 00007f2e682d0040 R08: 00007f2e682d0040 R09: 0000000020000040
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000040
R13: 0000000020000080 R14: 00007f2e682d0000 R15: 0000000020001540
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:perf_trace_lock_acquire+0x9a/0x700
Code: ff c7 00 f1 f1 f1 f1 c7 40 04 f1 f1 04 f2 c7 40 08 00 f3 f3 f3 65 48 8b 05 6b 4c 33 06 48 89 45 d0 31 c0 4c 89 e0 48 c1 e8 03 <80> 3c 10 00 0f 85 80 04 00 00 48 8b 85 50 ff ff ff 4c 89 95 48 ff
RSP: 0018:ffff88801c1ef258 EFLAGS: 00010016
RAX: 1e001fea7e001ff0 RBX: 1ffff1100383de54 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: f000ff53f000ff6b RDI: ffffffff85b23640
RBP: ffff88801c1ef348 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff85b23640 R11: 0000000000000001 R12: f000ff53f000ff83
R13: ffff88801c1ef320 R14: 0000000000000000 R15: ffff888044c41000
FS: 00007f2e682d0700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2e682d1000 CR3: 0000000043c47000 CR4: 0000000000350ef0
note: syz-executor.3[3961] exited with irqs disabled
note: syz-executor.3[3961] exited with preempt_count 3
------------[ cut here ]------------
WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#1: syz-executor.3/3961
Modules linked in:
CPU: 1 UID: 0 PID: 3961 Comm: syz-executor.3 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:do_exit+0x1c36/0x2970
Code: 96 0a 00 00 c7 43 18 00 00 00 00 e9 21 e6 ff ff e8 bf a4 38 00 bf 02 24 00 00 e8 f5 ab 0b 00 e9 41 ff ff ff e8 ab a4 38 00 90 <0f> 0b 90 e9 87 e4 ff ff e8 9d a4 38 00 4c 89 e6 bf 05 06 00 00 e8
RSP: 0018:ffff88801c1efe40 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000200 RCX: ffffc9000e24e000
RDX: 0000000000040000 RSI: ffffffff813b42d5 RDI: ffff888044fa11e8
RBP: ffff888044fa0000 R08: 0000000000000001 R09: fffffbfff0f11cd8
R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b
R13: 0000000000002710 R14: fe001bea7e001ff0 R15: 0000000000000000
FS: 00007f2e682d0700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2e682d1000 CR3: 0000000043c47000 CR4: 0000000000350ef0
Call Trace:
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f2e6ad5c04a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f2e682cffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020001480 RCX: 00007f2e6ad5c04a
RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007f2e682d0000
RBP: 00007f2e682d0040 R08: 00007f2e682d0040 R09: 0000000020000040
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000040
R13: 0000000020000080 R14: 00007f2e682d0000 R15: 0000000020001540
irq event stamp: 1486
hardirqs last enabled at (1485): [] _raw_spin_unlock_irqrestore+0x2c/0x50
hardirqs last disabled at (1486): [] _raw_spin_lock_irq+0x42/0x50
softirqs last enabled at (1478): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1353): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
BUG: sleeping function called from invalid context at ./include/linux/percpu-rwsem.h:51
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 3961, name: syz-executor.3
preempt_count: 0, expected: 0
RCU nest depth: 2, expected: 0
INFO: lockdep is turned off.
CPU: 1 UID: 0 PID: 3961 Comm: syz-executor.3 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
__might_resched+0x2f3/0x510
exit_signals+0x25/0x940
do_exit+0x2db/0x2970
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f2e6ad5c04a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f2e682cffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020001480 RCX: 00007f2e6ad5c04a
RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007f2e682d0000
RBP: 00007f2e682d0040 R08: 00007f2e682d0040 R09: 0000000020000040
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000040
R13: 0000000020000080 R14: 00007f2e682d0000 R15: 0000000020001540
kmemleak: Found object by alias at 0x607f1a63947c
CPU: 0 UID: 0 PID: 3945 Comm: syz-executor.7 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xca/0x120
__lookup_object+0x94/0xb0
delete_object_full+0x27/0x70
free_percpu+0x30/0x1160
futex_hash_free+0x38/0xc0
mmput+0x2d3/0x390
do_exit+0x79d/0x2970
do_group_exit+0xd3/0x2a0
get_signal+0x2315/0x2340
arch_do_signal_or_restart+0x80/0x790
exit_to_user_mode_loop+0x8b/0x110
do_syscall_64+0x2f7/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f13d3312b19
Code: Unable to access opcode bytes at 0x7f13d3312aef.
RSP: 002b:00007f13d0867218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f13d3426028 RCX: 00007f13d3312b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f13d3426028
RBP: 00007f13d3426020 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f13d342602c
R13: 00007ffd89da8daf R14: 00007f13d0867300 R15: 0000000000022000
kmemleak: Object (percpu) 0x607f1a639478 (size 8):
kmemleak: comm "syz-executor.3", pid 3961, jiffies 4294793138
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x21
kmemleak: checksum = 0
kmemleak: backtrace:
pcpu_alloc_noprof+0x87a/0x1170
percpu_ref_init+0x37/0x400
blkg_alloc+0xe9/0x7d0
blkg_create+0xe08/0x1420
bio_associate_blkg_from_css+0xe06/0x1380
bio_associate_blkg+0x10e/0x2a0
bio_init+0x2dd/0x570
bio_alloc_bioset+0x2cf/0x8c0
submit_bh_wbc+0x286/0x720
__bread_gfp+0x18b/0x3c0
fat_fill_super+0x5e1/0x3fd0
get_tree_bdev_flags+0x38a/0x620
vfs_get_tree+0x93/0x340
path_mount+0x132d/0x1dd0
__x64_sys_mount+0x27b/0x300
do_syscall_64+0xbf/0x360
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#2] SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197]
CPU: 1 UID: 0 PID: 4015 Comm: syz-executor.2 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff888046107800 EFLAGS: 00010212
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: ffffc900031f6000
RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: 0000000100000190
RBP: ffff888046107a70 R08: ffff88806cf31340 R09: ffffe8ffffd15c18
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806cf31340 R15: dffffc0000000000
FS: 00007f06d6230700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f06d8dce018 CR3: 000000000d313000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock+0x337/0x5d0
lock_release+0x1ab/0x290
futex_ref_get+0x119/0x300
futex_hash+0x70/0x390
futex_wake+0x143/0x540
do_futex+0x26d/0x370
__x64_sys_futex+0x1c9/0x4d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f06d8cbab19
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:00007f06d6230218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f06d8dcdf68 RCX: 00007f06d8cbab19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f06d8dcdf6c
RBP: 00007f06d8dcdf60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f06d8dcdf6c
R13: 00007ffe276ac1ff R14: 00007f06d6230300 R15: 0000000000022000
Modules linked in:
Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#3] SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197]
CPU: 1 UID: 0 PID: 4015 Comm: syz-executor.2 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff88806cf08b40 EFLAGS: 00010012
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002
RDX: ffff888043ebd280 RSI: ffffffff818995b7 RDI: 0000000100000190
RBP: ffff88806cf08db0 R08: ffff88806cf31490 R09: ffffe8ffffd15c18
R10: 0000000000000000 R11: ffff88806cf08ff8 R12: dffffc0000000000
R13: 0000000000000024 R14: ffff88806cf31490 R15: dffffc0000000000
FS: 00007f06d6230700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f06d8dce018 CR3: 000000000d313000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock+0x337/0x5d0
lock_release+0x1ab/0x290
_raw_spin_unlock_irqrestore+0x1a/0x50
__flush_smp_call_function_queue+0x38b/0x740
__sysvec_call_function_single+0x6d/0x370
sysvec_call_function_single+0xa1/0xc0
asm_sysvec_call_function_single+0x1a/0x20
RIP: 0010:oops_exit+0x0/0x50
Code: f1 39 00 be ff ff ff ff 48 c7 c7 50 ac 43 86 e8 c6 0f f9 ff 5b e9 20 f1 39 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 53 e8 06 f1 39 00 8b 1d c0 ed 4e 06 31 ff 89 de e8 27
RSP: 0018:ffff888046107690 EFLAGS: 00000202
RAX: 000000000002e726 RBX: 0000000000000212 RCX: ffffc900031f6000
RDX: 0000000000040000 RSI: ffffffff812a3dca RDI: 0000000000000007
RBP: 000000000000000b R08: 0000000000000001 R09: fffffbfff0f11c90
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888046107758
R13: 0000000000000000 R14: dffffc0020000032 R15: 0000000000000000
oops_end+0x65/0xe0
exc_general_protection+0x1a2/0x330
asm_exc_general_protection+0x26/0x30
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff888046107800 EFLAGS: 00010212
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: ffffc900031f6000
RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: 0000000100000190
RBP: ffff888046107a70 R08: ffff88806cf31340 R09: ffffe8ffffd15c18
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806cf31340 R15: dffffc0000000000
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock+0x337/0x5d0
lock_release+0x1ab/0x290
futex_ref_get+0x119/0x300
futex_hash+0x70/0x390
futex_wake+0x143/0x540
do_futex+0x26d/0x370
__x64_sys_futex+0x1c9/0x4d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f06d8cbab19
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:00007f06d6230218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f06d8dcdf68 RCX: 00007f06d8cbab19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f06d8dcdf6c
RBP: 00007f06d8dcdf60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f06d8dcdf6c
R13: 00007ffe276ac1ff R14: 00007f06d6230300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:perf_trace_lock_acquire+0x9a/0x700
Code: ff c7 00 f1 f1 f1 f1 c7 40 04 f1 f1 04 f2 c7 40 08 00 f3 f3 f3 65 48 8b 05 6b 4c 33 06 48 89 45 d0 31 c0 4c 89 e0 48 c1 e8 03 <80> 3c 10 00 0f 85 80 04 00 00 48 8b 85 50 ff ff ff 4c 89 95 48 ff
RSP: 0018:ffff88801c1ef258 EFLAGS: 00010016
RAX: 1e001fea7e001ff0 RBX: 1ffff1100383de54 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: f000ff53f000ff6b RDI: ffffffff85b23640
RBP: ffff88801c1ef348 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff85b23640 R11: 0000000000000001 R12: f000ff53f000ff83
R13: ffff88801c1ef320 R14: 0000000000000000 R15: ffff888044c41000
FS: 00007f06d6230700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f06d8dce018 CR3: 000000000d313000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
0: ff c7 inc %edi
2: 00 f1 add %dh,%cl
4: f1 icebp
5: f1 icebp
6: f1 icebp
7: c7 40 04 f1 f1 04 f2 movl $0xf204f1f1,0x4(%rax)
e: c7 40 08 00 f3 f3 f3 movl $0xf3f3f300,0x8(%rax)
15: 65 48 8b 05 6b 4c 33 mov %gs:0x6334c6b(%rip),%rax # 0x6334c88
1c: 06
1d: 48 89 45 d0 mov %rax,-0x30(%rbp)
21: 31 c0 xor %eax,%eax
23: 4c 89 e0 mov %r12,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) <-- trapping instruction
2e: 0f 85 80 04 00 00 jne 0x4b4
34: 48 8b 85 50 ff ff ff mov -0xb0(%rbp),%rax
3b: 4c rex.WR
3c: 89 .byte 0x89
3d: 95 xchg %eax,%ebp
3e: 48 rex.W
3f: ff .byte 0xff