INFO: task kworker/u8:3:50 blocked for more than 143 seconds. Not tainted 6.9.0-rc5-syzkaller-00036-g9d1ddab261f3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:3 state:D stack:22296 pid:50 tgid:50 ppid:2 flags:0x00004000 Workqueue: writeback wb_workfn (flush-7:4) Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x1796/0x4a00 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 jfs_commit_inode+0x24a/0x590 fs/jfs/inode.c:102 jfs_write_inode+0x143/0x220 fs/jfs/inode.c:132 write_inode fs/fs-writeback.c:1498 [inline] __writeback_single_inode+0x6b9/0x10b0 fs/fs-writeback.c:1715 writeback_sb_inodes+0x905/0x1260 fs/fs-writeback.c:1941 __writeback_inodes_wb+0x11b/0x260 fs/fs-writeback.c:2012 wb_writeback+0x46b/0xce0 fs/fs-writeback.c:2119 wb_check_background_flush fs/fs-writeback.c:2189 [inline] wb_do_writeback fs/fs-writeback.c:2277 [inline] wb_workfn+0xc58/0x1090 fs/fs-writeback.c:2304 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3335 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task syz-executor.4:7174 blocked for more than 144 seconds. Not tainted 6.9.0-rc5-syzkaller-00036-g9d1ddab261f3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28560 pid:7174 tgid:7111 ppid:5082 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x1796/0x4a00 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178 __down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306 inode_lock_nested include/linux/fs.h:830 [inline] filename_create+0x260/0x540 fs/namei.c:3892 do_mkdirat+0xbd/0x3a0 fs/namei.c:4138 __do_sys_mkdirat fs/namei.c:4161 [inline] __se_sys_mkdirat fs/namei.c:4159 [inline] __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4159 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9b2c47dea9 RSP: 002b:00007f9b2d1b30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f9b2c5ac050 RCX: 00007f9b2c47dea9 RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007f9b2c4ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f9b2c5ac050 R15: 00007ffeed6aa608 INFO: task syz-executor.4:7178 blocked for more than 144 seconds. Not tainted 6.9.0-rc5-syzkaller-00036-g9d1ddab261f3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28880 pid:7178 tgid:7111 ppid:5082 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x1796/0x4a00 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178 __down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306 inode_lock_nested include/linux/fs.h:830 [inline] filename_create+0x260/0x540 fs/namei.c:3892 do_mkdirat+0xbd/0x3a0 fs/namei.c:4138 __do_sys_mkdirat fs/namei.c:4161 [inline] __se_sys_mkdirat fs/namei.c:4159 [inline] __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4159 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9b2c47dea9 RSP: 002b:00007f9b2d1920c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f9b2c5ac120 RCX: 00007f9b2c47dea9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: ffffffffffffff9c RBP: 00007f9b2c4ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f9b2c5ac120 R15: 00007ffeed6aa608 INFO: task syz-executor.4:7180 blocked for more than 145 seconds. Not tainted 6.9.0-rc5-syzkaller-00036-g9d1ddab261f3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:27832 pid:7180 tgid:7111 ppid:5082 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x1796/0x4a00 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895 rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline] __down_read_common kernel/locking/rwsem.c:1250 [inline] __down_read kernel/locking/rwsem.c:1263 [inline] down_read+0x705/0xa40 kernel/locking/rwsem.c:1528 inode_lock_shared include/linux/fs.h:805 [inline] lookup_slow+0x45/0x70 fs/namei.c:1708 walk_component fs/namei.c:2004 [inline] link_path_walk+0x9ea/0xea0 fs/namei.c:2331 path_parentat fs/namei.c:2532 [inline] __filename_parentat+0x263/0x6f0 fs/namei.c:2556 filename_parentat fs/namei.c:2574 [inline] filename_create+0xf6/0x540 fs/namei.c:3873 do_mkdirat+0xbd/0x3a0 fs/namei.c:4138 __do_sys_mkdirat fs/namei.c:4161 [inline] __se_sys_mkdirat fs/namei.c:4159 [inline] __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4159 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9b2c47dea9 RSP: 002b:00007f9b2d1710c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f9b2c5ac1f0 RCX: 00007f9b2c47dea9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007f9b2c4ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f9b2c5ac1f0 R15: 00007ffeed6aa608 INFO: task syz-executor.4:7181 blocked for more than 146 seconds. Not tainted 6.9.0-rc5-syzkaller-00036-g9d1ddab261f3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28304 pid:7181 tgid:7111 ppid:5082 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x1796/0x4a00 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895 rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline] __down_read_common kernel/locking/rwsem.c:1250 [inline] __down_read kernel/locking/rwsem.c:1263 [inline] down_read+0x705/0xa40 kernel/locking/rwsem.c:1528 inode_lock_shared include/linux/fs.h:805 [inline] open_last_lookups fs/namei.c:3565 [inline] path_openat+0x7c4/0x3240 fs/namei.c:3796 do_filp_open+0x235/0x490 fs/namei.c:3826 do_sys_openat2+0x13e/0x1d0 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1432 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9b2c47dea9 RSP: 002b:00007f9b2d1500c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f9b2c5ac2c0 RCX: 00007f9b2c47dea9 RDX: 0000000000000000 RSI: 0000000020000280 RDI: ffffffffffffff9c RBP: 00007f9b2c4ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f9b2c5ac2c0 R15: 00007ffeed6aa608 Showing all locks held in the system: 1 lock held by khungtaskd/29: #0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614 4 locks held by kworker/u8:3/50: #0: ffff88801ae9b948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline] #0: ffff88801ae9b948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x17c0 kernel/workqueue.c:3335 #1: ffffc90000ba7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline] #1: ffffc90000ba7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x17c0 kernel/workqueue.c:3335 #2: ffff88805e7ea0e0 (&type->s_umount_key#77){++++}-{3:3}, at: super_trylock_shared+0x22/0xf0 fs/super.c:561 #3: ffff88805ae4c288 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x24a/0x590 fs/jfs/inode.c:102 6 locks held by kworker/u8:5/143: #0: ffff888015ecb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline] #0: ffff888015ecb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x17c0 kernel/workqueue.c:3335 #1: ffffc90002e4fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline] #1: ffffc90002e4fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x17c0 kernel/workqueue.c:3335 #2: ffffffff8f5882d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:591 #3: ffffffff8f5949c8 (rtnl_mutex){+.+.}-{3:3}, at: wg_netns_pre_exit+0x1f/0x1e0 drivers/net/wireguard/device.c:414 #4: ffff8880601c1408 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_netns_pre_exit+0xba/0x1e0 drivers/net/wireguard/device.c:419 #5: ffffffff8e33a0b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline] #5: ffffffff8e33a0b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x463/0x820 kernel/rcu/tree_exp.h:939 2 locks held by getty/4826: #0: ffff88801dcb80a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201 3 locks held by kworker/1:6/5180: #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x17c0 kernel/workqueue.c:3335 #1: ffffc9000431fd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline] #1: ffffc9000431fd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x17c0 kernel/workqueue.c:3335 #2: ffffffff8f5949c8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276 4 locks held by syz-executor.4/7114: 2 locks held by syz-executor.4/7174: #0: ffff88805e7ea420 (sb_writers#22){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409 #1: ffff88805ae4c640 (&type->i_mutex_dir_key#15/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:830 [inline] #1: ffff88805ae4c640 (&type->i_mutex_dir_key#15/1){+.+.}-{3:3}, at: filename_create+0x260/0x540 fs/namei.c:3892 2 locks held by syz-executor.4/7178: #0: ffff88805e7ea420 (sb_writers#22){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409 #1: ffff88805ae4c640 (&type->i_mutex_dir_key#15/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:830 [inline] #1: ffff88805ae4c640 (&type->i_mutex_dir_key#15/1){+.+.}-{3:3}, at: filename_create+0x260/0x540 fs/namei.c:3892 1 lock held by syz-executor.4/7180: #0: ffff88805ae4c640 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:805 [inline] #0: ffff88805ae4c640 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1708 1 lock held by syz-executor.4/7181: #0: ffff88805ae4c640 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:805 [inline] #0: ffff88805ae4c640 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: open_last_lookups fs/namei.c:3565 [inline] #0: ffff88805ae4c640 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: path_openat+0x7c4/0x3240 fs/namei.c:3796 1 lock held by syz-executor.4/7318: #0: ffffffff8e33a0b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] #0: ffffffff8e33a0b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x39a/0x820 kernel/rcu/tree_exp.h:939 2 locks held by syz-executor.0/9900: 2 locks held by syz-executor.0/9914: 3 locks held by kvm-nx-lpage-re/9917: #0: ffffffff8e362448 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_lock include/linux/cgroup.h:368 [inline] #0: ffffffff8e362448 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_attach_task_all+0x27/0xe0 kernel/cgroup/cgroup-v1.c:61 #1: ffffffff8e1cf390 (cpu_hotplug_lock){++++}-{0:0}, at: cgroup_attach_lock+0x11/0x40 kernel/cgroup/cgroup.c:2413 #2: ffffffff8e362630 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: cgroup_attach_task_all+0x31/0xe0 kernel/cgroup/cgroup-v1.c:62 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.9.0-rc5-syzkaller-00036-g9d1ddab261f3 #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+0x241/0x360 lib/dump_stack.c:114 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 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+0xfde/0x1020 kernel/hung_task.c:380 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/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: 9900 Comm: syz-executor.0 Not tainted 6.9.0-rc5-syzkaller-00036-g9d1ddab261f3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:kasan_check_range+0x5/0x290 mm/kasan/generic.c:188 Code: 8d e8 af 60 e5 ff 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 <41> 57 41 56 41 54 53 b0 01 48 85 f6 0f 84 a0 01 00 00 4c 8d 04 37 RSP: 0018:ffffc9000c8469b0 EFLAGS: 00000246 RAX: ffffffff81ccd052 RBX: ffffea0001d8b380 RCX: ffffffff81ccd05f RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea0001d8b380 RBP: 0000000000000000 R08: ffffffff81ccd03e R09: 1ffffd40003b1676 R10: dffffc0000000000 R11: fffff940003b1677 R12: ffffc9000c846b60 R13: dffffc0000000000 R14: ffffea0001d8b3b4 R15: ffffea0001d8b388 FS: 00007f1619fff6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4e78379198 CR3: 0000000068ad6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] folio_test_uptodate include/linux/page-flags.h:752 [inline] next_uptodate_folio+0x25f/0xb10 mm/filemap.c:3456 filemap_map_pages+0xfe2/0x1830 mm/filemap.c:3612 do_fault_around mm/memory.c:4852 [inline] do_read_fault mm/memory.c:4885 [inline] do_fault mm/memory.c:5024 [inline] do_pte_missing mm/memory.c:3880 [inline] handle_pte_fault mm/memory.c:5300 [inline] __handle_mm_fault+0x446e/0x7240 mm/memory.c:5441 handle_mm_fault+0x27f/0x770 mm/memory.c:5606 faultin_page mm/gup.c:958 [inline] __get_user_pages+0x727/0x1630 mm/gup.c:1257 __get_user_pages_locked mm/gup.c:1525 [inline] get_dump_page+0x155/0x2f0 mm/gup.c:2043 dump_user_range+0x14c/0x950 fs/coredump.c:949 elf_core_dump+0x3d5e/0x4630 fs/binfmt_elf.c:2077 do_coredump+0x1bab/0x2b50 fs/coredump.c:764 get_signal+0x13fa/0x1740 kernel/signal.c:2896 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] irqentry_exit_to_user_mode+0x79/0x280 kernel/entry/common.c:231 exc_page_fault+0x585/0x8e0 arch/x86/mm/fault.c:1566 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f161a47deb1 Code: 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 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f RSP: 002b:00000000fffffe20 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007f161a5abf80 RCX: 00007f161a47dea9 RDX: 0000000000000000 RSI: 00000000fffffe20 RDI: 0000000000000000 RBP: 00007f161a4ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f161a5abf80 R15: 00007fffb4a904e8