INFO: task syz-executor.1:25896 blocked for more than 143 seconds.
Not tainted 6.9.0-rc6-syzkaller-00290-gb9158815de52 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28784 pid:25896 tgid:25894 ppid:24880 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1528
inode_lock_shared include/linux/fs.h:805 [inline]
lookup_slow fs/namei.c:1708 [inline]
walk_component+0x342/0x5b0 fs/namei.c:2004
lookup_last fs/namei.c:2461 [inline]
path_lookupat+0x17f/0x770 fs/namei.c:2485
filename_lookup+0x1e5/0x5b0 fs/namei.c:2514
kern_path+0x35/0x50 fs/namei.c:2622
unix_find_bsd net/unix/af_unix.c:1064 [inline]
unix_find_other+0xdc/0x820 net/unix/af_unix.c:1125
unix_dgram_connect+0x251/0xd70 net/unix/af_unix.c:1379
__sys_connect_file+0x15f/0x1a0 net/socket.c:2048
__sys_connect+0x149/0x170 net/socket.c:2065
__do_sys_connect net/socket.c:2075 [inline]
__se_sys_connect net/socket.c:2072 [inline]
__x64_sys_connect+0x72/0xb0 net/socket.c:2072
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2ff6c7dca9
RSP: 002b:00007f2ff7a570c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00007f2ff6dac050 RCX: 00007f2ff6c7dca9
RDX: 000000000000006e RSI: 0000000020000380 RDI: 0000000000000009
RBP: 00007f2ff6cc947e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f2ff6dac050 R15: 00007ffc105f7618
INFO: task syz-executor.1:25897 blocked for more than 145 seconds.
Not tainted 6.9.0-rc6-syzkaller-00290-gb9158815de52 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28288 pid:25897 tgid:25894 ppid:24880 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1528
inode_lock_shared include/linux/fs.h:805 [inline]
lookup_slow fs/namei.c:1708 [inline]
walk_component+0x342/0x5b0 fs/namei.c:2004
lookup_last fs/namei.c:2461 [inline]
path_lookupat+0x17f/0x770 fs/namei.c:2485
filename_lookup+0x1e5/0x5b0 fs/namei.c:2514
kern_path+0x35/0x50 fs/namei.c:2622
unix_find_bsd net/unix/af_unix.c:1064 [inline]
unix_find_other+0xdc/0x820 net/unix/af_unix.c:1125
unix_dgram_connect+0x251/0xd70 net/unix/af_unix.c:1379
__sys_connect_file+0x15f/0x1a0 net/socket.c:2048
__sys_connect+0x149/0x170 net/socket.c:2065
__do_sys_connect net/socket.c:2075 [inline]
__se_sys_connect net/socket.c:2072 [inline]
__x64_sys_connect+0x72/0xb0 net/socket.c:2072
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2ff6c7dca9
RSP: 002b:00007f2ff7a360c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00007f2ff6dac120 RCX: 00007f2ff6c7dca9
RDX: 000000000000006e RSI: 0000000020000080 RDI: 0000000000000008
RBP: 00007f2ff6cc947e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f2ff6dac120 R15: 00007ffc105f7618
INFO: task syz-executor.1:25898 blocked for more than 146 seconds.
Not tainted 6.9.0-rc6-syzkaller-00290-gb9158815de52 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27888 pid:25898 tgid:25894 ppid:24880 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1528
inode_lock_shared include/linux/fs.h:805 [inline]
lookup_slow fs/namei.c:1708 [inline]
walk_component+0x342/0x5b0 fs/namei.c:2004
lookup_last fs/namei.c:2461 [inline]
path_lookupat+0x17f/0x770 fs/namei.c:2485
filename_lookup+0x1e5/0x5b0 fs/namei.c:2514
user_path_at_empty+0x42/0x60 fs/namei.c:2921
user_path_at include/linux/namei.h:57 [inline]
do_mount fs/namespace.c:3689 [inline]
__do_sys_mount fs/namespace.c:3898 [inline]
__se_sys_mount fs/namespace.c:3875 [inline]
__x64_sys_mount+0x1ff/0x320 fs/namespace.c:3875
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2ff6c7dca9
RSP: 002b:00007f2ff79620c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f2ff6dac1f0 RCX: 00007f2ff6c7dca9
RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000000000000
RBP: 00007f2ff6cc947e R08: 00000000200008c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f2ff6dac1f0 R15: 00007ffc105f7618
INFO: task syz-executor.1:25900 blocked for more than 148 seconds.
Not tainted 6.9.0-rc6-syzkaller-00290-gb9158815de52 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28128 pid:25900 tgid:25894 ppid:24880 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
__down_write_common+0x950/0x13f0 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:795 [inline]
open_last_lookups fs/namei.c:3563 [inline]
path_openat+0x8c7/0x2990 fs/namei.c:3796
do_filp_open+0x1dc/0x430 fs/namei.c:3826
do_sys_openat2+0x17a/0x1e0 fs/open.c:1406
do_sys_open fs/open.c:1421 [inline]
__do_sys_open fs/open.c:1429 [inline]
__se_sys_open fs/open.c:1425 [inline]
__x64_sys_open+0x154/0x1e0 fs/open.c:1425
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2ff6c7dca9
RSP: 002b:00007f2ff79410c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2ff6dac2c0 RCX: 00007f2ff6c7dca9
RDX: 0000000000000000 RSI: 0000000000141a42 RDI: 0000000020000200
RBP: 00007f2ff6cc947e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f2ff6dac2c0 R15: 00007ffc105f7618
Showing all locks held in the system:
3 locks held by kworker/0:1/8:
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1296/0x1ac0 kernel/workqueue.c:3242
#1: ffffc900000d7d80 (fqdir_free_work){+.+.}-{0:0}, at: process_one_work+0x906/0x1ac0 kernel/workqueue.c:3243
#2: ffffffff8d7bc400 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x6c0 kernel/rcu/tree.c:4073
3 locks held by kworker/u8:0/10:
#0: ffff888029e35948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x1296/0x1ac0 kernel/workqueue.c:3242
#1: ffffc900000f7d80 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x906/0x1ac0 kernel/workqueue.c:3243
#2: ffff8880b943ea58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:559
1 lock held by khungtaskd/29:
#0: ffffffff8d7b0e20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8d7b0e20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8d7b0e20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
3 locks held by kworker/u8:9/2452:
#0: ffff888015ecb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x1296/0x1ac0 kernel/workqueue.c:3242
#1: ffffc9000a29fd80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x906/0x1ac0 kernel/workqueue.c:3243
#2: ffffffff8d7bc400 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x6c0 kernel/rcu/tree.c:4073
2 locks held by getty/4838:
#0: ffff88802aa750a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2201
4 locks held by kworker/u8:10/21312:
1 lock held by syz-executor.4/24503:
3 locks held by kworker/0:8/25171:
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1296/0x1ac0 kernel/workqueue.c:3242
#1: ffffc90004c9fd80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x906/0x1ac0 kernel/workqueue.c:3243
#2: ffffffff8f301b08 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:276
3 locks held by syz-executor.1/25895:
1 lock held by syz-executor.1/25896:
#0: ffff88805b902680 (&type->i_mutex_dir_key#32){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:805 [inline]
#0: ffff88805b902680 (&type->i_mutex_dir_key#32){++++}-{3:3}, at: lookup_slow fs/namei.c:1708 [inline]
#0: ffff88805b902680 (&type->i_mutex_dir_key#32){++++}-{3:3}, at: walk_component+0x342/0x5b0 fs/namei.c:2004
1 lock held by syz-executor.1/25897:
#0: ffff88805b902680 (&type->i_mutex_dir_key#32){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:805 [inline]
#0: ffff88805b902680 (&type->i_mutex_dir_key#32){++++}-{3:3}, at: lookup_slow fs/namei.c:1708 [inline]
#0: ffff88805b902680 (&type->i_mutex_dir_key#32){++++}-{3:3}, at: walk_component+0x342/0x5b0 fs/namei.c:2004
1 lock held by syz-executor.1/25898:
#0: ffff88805b902680 (&type->i_mutex_dir_key#32){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:805 [inline]
#0: ffff88805b902680 (&type->i_mutex_dir_key#32){++++}-{3:3}, at: lookup_slow fs/namei.c:1708 [inline]
#0: ffff88805b902680 (&type->i_mutex_dir_key#32){++++}-{3:3}, at: walk_component+0x342/0x5b0 fs/namei.c:2004
2 locks held by syz-executor.1/25900:
#0: ffff88802f5e0420 (sb_writers#40){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3555 [inline]
#0: ffff88802f5e0420 (sb_writers#40){.+.+}-{0:0}, at: path_openat+0x19a7/0x2990 fs/namei.c:3796
#1: ffff88805b902680 (&type->i_mutex_dir_key#32){++++}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline]
#1: ffff88805b902680 (&type->i_mutex_dir_key#32){++++}-{3:3}, at: open_last_lookups fs/namei.c:3563 [inline]
#1: ffff88805b902680 (&type->i_mutex_dir_key#32){++++}-{3:3}, at: path_openat+0x8c7/0x2990 fs/namei.c:3796
1 lock held by syz-executor.0/26277:
#0: ffffffff8f301b08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f301b08 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe60 net/core/rtnetlink.c:6592
1 lock held by syz-executor.1/26287:
#0: ffffffff8f301b08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f301b08 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe60 net/core/rtnetlink.c:6592
7 locks held by syz-executor.4/26315:
#0: ffff88802f396420 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x12f/0x260 fs/read_write.c:643
#1: ffff888080bba488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x281/0x500 fs/kernfs/file.c:325
#2: ffff8880233b1a58 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2a4/0x500 fs/kernfs/file.c:326
#3: ffffffff8e971828 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xd2/0x4b0 drivers/net/netdevsim/bus.c:216
#4: ffff88804338d0e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#4: ffff88804338d0e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline]
#4: ffff88804338d0e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1290
#5: ffff88805ee4b250 (&devlink->lock_key#62){+.+.}-{3:3}, at: nsim_drv_remove+0x4a/0x1d0 drivers/net/netdevsim/dev.c:1672
#6: ffffffff8d7bc400 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x6c0 kernel/rcu/tree.c:4073
2 locks held by syz-executor.2/26361:
#0: ffffffff8f301b08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f301b08 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe60 net/core/rtnetlink.c:6592
#1: ffffffff8d7bc538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#1: ffffffff8d7bc538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x682/0x7a0 kernel/rcu/tree_exp.h:939
4 locks held by syz-executor.3/26379:
#0: ffffffff8e3ca0e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
#1: ffffffff8d676ac8 (system_transition_mutex){+.+.}-{3:3}, at: lock_system_sleep+0x87/0xa0 kernel/power/main.c:56
#2: ffffffff8d6b4c70 ((pm_chain_head).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain_robust kernel/notifier.c:352 [inline]
#2: ffffffff8d6b4c70 ((pm_chain_head).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain_robust+0xa9/0x170 kernel/notifier.c:341
#3: ffffffff8d7bc400 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x6c0 kernel/rcu/tree.c:4073
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.9.0-rc6-syzkaller-00290-gb9158815de52 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xf86/0x1240 kernel/hung_task.c:380
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 24205 Comm: syz-executor.3 Not tainted 6.9.0-rc6-syzkaller-00290-gb9158815de52 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:io_get_cqe_overflow io_uring/io_uring.h:166 [inline]
RIP: 0010:__io_cqring_overflow_flush+0x1c8/0x5d0 io_uring/io_uring.c:701
Code: 30 48 01 e8 48 89 44 24 08 48 89 c8 48 c1 e8 03 48 01 e8 48 89 44 24 10 e8 55 d4 17 fd 4c 89 ff e8 cd 0c ff ff 48 8b 44 24 08 <80> 38 00 0f 85 30 03 00 00 48 8b 44 24 10 4d 8b a7 40 02 00 00 80
RSP: 0018:ffffc9000360fc20 EFLAGS: 00000246
RAX: ffffed100f49c848 RBX: 0000000000000000 RCX: ffffc9000bb28000
RDX: 0000000000040000 RSI: ffffffff8475f1e3 RDI: 0000000000000005
RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: ffff88807a4e4240 R12: ffff88807a4e4010
R13: ffff88807a4e44e8 R14: 0000000000000010 R15: ffff88807a4e4000
FS: 00007f2a80b476c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557d12a938 CR3: 000000002308c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
io_cqring_do_overflow_flush io_uring/io_uring.c:722 [inline]
io_cqring_wait+0x1144/0x14e0 io_uring/io_uring.c:2680
__do_sys_io_uring_enter+0x392/0x1120 io_uring/io_uring.c:3713
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2a7fe7dca9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2a80b470c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: ffffffffffffffda RBX: 00007f2a7ffabf80 RCX: 00007f2a7fe7dca9
RDX: 0000000000400000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f2a7fec947e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2a7ffabf80 R15: 00007ffcd17257c8