./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor998915965 <...> DUID 00:04:11:31:ea:d8:bb:db:47:a8:80:cb:7d:0b:3c:d8:ea:74 forked to background, child pid 3177 [ 26.534889][ T3178] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.545748][ T3178] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.111' (ECDSA) to the list of known hosts. execve("./syz-executor998915965", ["./syz-executor998915965"], 0x7ffe8c29d110 /* 10 vars */) = 0 brk(NULL) = 0x5555574d6000 brk(0x5555574d6c40) = 0x5555574d6c40 arch_prctl(ARCH_SET_FS, 0x5555574d6300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor998915965", 4096) = 27 brk(0x5555574f7c40) = 0x5555574f7c40 brk(0x5555574f8000) = 0x5555574f8000 mprotect(0x7fe273bd1000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 getpid() = 3598 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 write(3, "0 65535", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "3598", 4) = 4 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/self/net/dev_snmp6", O_RDWR) = -1 EISDIR (Is a directory) openat(AT_FDCWD, "/proc/self/net/dev_snmp6", O_RDONLY) = 3 openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|0x4) = 4 ioctl(4, TIOCSPTLCK, [0]) = 0 ioctl(4, TIOCGPTN, [0]) = 0 openat(AT_FDCWD, "/dev/pts/0", O_RDWR) = 5 dup3(5, 3, 0) = 3 openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 6 write(6, "3", 1) = 1 syzkaller login: [ 49.682253][ T3598] FAULT_INJECTION: forcing a failure. [ 49.682253][ T3598] name failslab, interval 1, probability 0, space 0, times 1 [ 49.682380][ T3598] [ 49.682393][ T3598] ====================================================== [ 49.682398][ T3598] WARNING: possible circular locking dependency detected [ 49.682403][ T3598] 5.18.0-rc6-syzkaller-00161-gbc403203d65a #0 Not tainted [ 49.682410][ T3598] ------------------------------------------------------ [ 49.682413][ T3598] syz-executor998/3598 is trying to acquire lock: [ 49.682419][ T3598] ffffffff8bc90700 (console_owner){....}-{0:0}, at: console_unlock+0x35e/0xdd0 [ 49.682464][ T3598] [ 49.682464][ T3598] but task is already holding lock: [ 49.682467][ T3598] ffff88801f06b958 (&port->lock){-...}-{2:2}, at: pty_write+0xea/0x1e0 [ 49.682495][ T3598] [ 49.682495][ T3598] which lock already depends on the new lock. [ 49.682495][ T3598] [ 49.682498][ T3598] [ 49.682498][ T3598] the existing dependency chain (in reverse order) is: [ 49.682501][ T3598] [ 49.682501][ T3598] -> #2 (&port->lock){-...}-{2:2}: [ 49.682516][ T3598] _raw_spin_lock_irqsave+0x39/0x50 [ 49.682534][ T3598] tty_port_tty_get+0x1f/0x100 [ 49.682546][ T3598] tty_port_default_wakeup+0x11/0x40 [ 49.682559][ T3598] serial8250_tx_chars+0x4f3/0xa50 [ 49.682575][ T3598] serial8250_handle_irq.part.0+0x328/0x3d0 [ 49.682589][ T3598] serial8250_default_handle_irq+0xb2/0x220 [ 49.682604][ T3598] serial8250_interrupt+0xfd/0x200 [ 49.682617][ T3598] __handle_irq_event_percpu+0x22b/0x880 [ 49.682629][ T3598] handle_irq_event+0xa7/0x1e0 [ 49.682640][ T3598] handle_edge_irq+0x25f/0xd00 [ 49.682652][ T3598] __common_interrupt+0x9d/0x210 [ 49.682664][ T3598] common_interrupt+0xa4/0xc0 [ 49.682679][ T3598] asm_common_interrupt+0x1e/0x40 [ 49.682692][ T3598] acpi_idle_do_entry+0x1c6/0x250 [ 49.682704][ T3598] acpi_idle_enter+0x361/0x500 [ 49.682715][ T3598] cpuidle_enter_state+0x1b1/0xc80 [ 49.682727][ T3598] cpuidle_enter+0x4a/0xa0 [ 49.682737][ T3598] do_idle+0x3e8/0x590 [ 49.682747][ T3598] cpu_startup_entry+0x14/0x20 [ 49.682757][ T3598] rest_init+0x169/0x270 [ 49.682768][ T3598] arch_call_rest_init+0xf/0x14 [ 49.682780][ T3598] start_kernel+0x47f/0x4a0 [ 49.682790][ T3598] secondary_startup_64_no_verify+0xc3/0xcb [ 49.682805][ T3598] [ 49.682805][ T3598] -> #1 (&port_lock_key){-...}-{2:2}: [ 49.682819][ T3598] _raw_spin_lock_irqsave+0x39/0x50 [ 49.682832][ T3598] serial8250_console_write+0x9cb/0xc30 [ 49.682846][ T3598] console_unlock+0x9bc/0xdd0 [ 49.682859][ T3598] vprintk_emit+0x1b4/0x5f0 [ 49.682872][ T3598] vprintk+0x80/0x90 [ 49.682884][ T3598] _printk+0xba/0xed [ 49.682897][ T3598] register_console+0x410/0x7c0 [ 49.682910][ T3598] univ8250_console_init+0x3a/0x46 [ 49.682924][ T3598] console_init+0x3c1/0x58d [ 49.682938][ T3598] start_kernel+0x30b/0x4a0 [ 49.682948][ T3598] secondary_startup_64_no_verify+0xc3/0xcb [ 49.682962][ T3598] [ 49.682962][ T3598] -> #0 (console_owner){....}-{0:0}: [ 49.682976][ T3598] __lock_acquire+0x2ac6/0x56c0 [ 49.682991][ T3598] lock_acquire+0x1ab/0x510 [ 49.683003][ T3598] console_unlock+0x3b1/0xdd0 [ 49.683016][ T3598] vprintk_emit+0x1b4/0x5f0 [ 49.683029][ T3598] vprintk+0x80/0x90 [ 49.683041][ T3598] _printk+0xba/0xed [ 49.683052][ T3598] should_fail+0x472/0x5a0 [ 49.683064][ T3598] should_failslab+0x5/0x10 [ 49.683076][ T3598] __kmalloc+0x7e/0x350 [ 49.683088][ T3598] tty_buffer_alloc+0x23f/0x2a0 [ 49.683099][ T3598] __tty_buffer_request_room+0x156/0x2a0 [ 49.683111][ T3598] tty_insert_flip_string_fixed_flag+0x8c/0x240 [ 49.683125][ T3598] pty_write+0x11c/0x1e0 [ 49.683137][ T3598] n_tty_write+0x410/0xfc0 [ 49.683147][ T3598] file_tty_write.constprop.0+0x520/0x900 [ 49.683162][ T3598] new_sync_write+0x38a/0x560 [ 49.683173][ T3598] vfs_write+0x7c0/0xac0 [ 49.683183][ T3598] ksys_write+0x127/0x250 [ 49.683193][ T3598] do_syscall_64+0x35/0xb0 [ 49.683206][ T3598] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 49.683220][ T3598] [ 49.683220][ T3598] other info that might help us debug this: [ 49.683220][ T3598] [ 49.683223][ T3598] Chain exists of: [ 49.683223][ T3598] console_owner --> &port_lock_key --> &port->lock [ 49.683223][ T3598] [ 49.683239][ T3598] Possible unsafe locking scenario: [ 49.683239][ T3598] [ 49.683241][ T3598] CPU0 CPU1 [ 49.683244][ T3598] ---- ---- [ 49.683246][ T3598] lock(&port->lock); [ 49.683252][ T3598] lock(&port_lock_key); [ 49.683258][ T3598] lock(&port->lock); [ 49.683265][ T3598] lock(console_owner); [ 49.683271][ T3598] [ 49.683271][ T3598] *** DEADLOCK *** [ 49.683271][ T3598] [ 49.683273][ T3598] 6 locks held by syz-executor998/3598: [ 49.683280][ T3598] #0: ffff888076a29098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 [ 49.683308][ T3598] #1: ffff888076a29130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: file_tty_write.constprop.0+0x299/0x900 [ 49.683339][ T3598] #2: ffff888076a292e8 (&o_tty->termios_rwsem/1){++++}-{3:3}, at: n_tty_write+0x1bf/0xfc0 [ 49.683368][ T3598] #3: ffffc90001c0c378 (&ldata->output_lock){+.+.}-{3:3}, at: n_tty_write+0x53c/0xfc0 [ 49.683413][ T3598] #4: ffff88801f06b958 (&port->lock){-...}-{2:2}, at: pty_write+0xea/0x1e0 [ 49.683450][ T3598] #5: ffffffff8bd70b40 (console_lock){+.+.}-{0:0}, at: vprintk+0x80/0x90 [ 49.683479][ T3598] [ 49.683479][ T3598] stack backtrace: [ 49.683482][ T3598] CPU: 1 PID: 3598 Comm: syz-executor998 Not tainted 5.18.0-rc6-syzkaller-00161-gbc403203d65a #0 [ 49.683496][ T3598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.683503][ T3598] Call Trace: [ 49.683506][ T3598] [ 49.683511][ T3598] dump_stack_lvl+0xcd/0x134 [ 49.683528][ T3598] check_noncircular+0x25f/0x2e0 [ 49.683542][ T3598] ? filter_irq_stacks+0x90/0x90 [ 49.683558][ T3598] ? print_circular_bug+0x1e0/0x1e0 [ 49.683572][ T3598] ? pointer+0x950/0x950 [ 49.683586][ T3598] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 49.683601][ T3598] ? add_lock_to_list.constprop.0+0x185/0x370 [ 49.683617][ T3598] __lock_acquire+0x2ac6/0x56c0 [ 49.683634][ T3598] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 49.683649][ T3598] ? msg_add_ext_text+0x1d0/0x1d0 [ 49.683665][ T3598] lock_acquire+0x1ab/0x510 [ 49.683679][ T3598] ? console_unlock+0x35e/0xdd0 [ 49.683693][ T3598] ? lock_release+0x720/0x720 [ 49.683707][ T3598] ? lock_downgrade+0x6e0/0x6e0 [ 49.683721][ T3598] ? do_raw_spin_lock+0x120/0x2a0 [ 49.683736][ T3598] ? rwlock_bug.part.0+0x90/0x90 [ 49.683750][ T3598] ? prb_final_commit+0x64/0xa0 [ 49.683766][ T3598] console_unlock+0x3b1/0xdd0 [ 49.683780][ T3598] ? console_unlock+0x35e/0xdd0 [ 49.683795][ T3598] ? devkmsg_read+0x730/0x730 [ 49.683809][ T3598] ? lock_release+0x720/0x720 [ 49.683825][ T3598] ? vprintk+0x80/0x90 [ 49.683840][ T3598] vprintk_emit+0x1b4/0x5f0 [ 49.683853][ T3598] ? add_lock_to_list.constprop.0+0x185/0x370 [ 49.683869][ T3598] vprintk+0x80/0x90 [ 49.683882][ T3598] _printk+0xba/0xed [ 49.683895][ T3598] ? record_print_text.cold+0x16/0x16 [ 49.683910][ T3598] ? ___ratelimit+0x222/0x4b0 [ 49.683922][ T3598] should_fail+0x472/0x5a0 [ 49.683935][ T3598] should_failslab+0x5/0x10 [ 49.683946][ T3598] __kmalloc+0x7e/0x350 [ 49.683957][ T3598] ? tty_buffer_alloc+0x23f/0x2a0 [ 49.683970][ T3598] tty_buffer_alloc+0x23f/0x2a0 [ 49.683983][ T3598] __tty_buffer_request_room+0x156/0x2a0 [ 49.683998][ T3598] tty_insert_flip_string_fixed_flag+0x8c/0x240 [ 49.684014][ T3598] pty_write+0x11c/0x1e0 [ 49.684028][ T3598] n_tty_write+0x410/0xfc0 [ 49.684043][ T3598] ? n_tty_check_unthrottle+0x440/0x440 [ 49.684055][ T3598] ? rcu_read_lock_sched_held+0x3a/0x70 [ 49.684084][ T3598] ? __init_waitqueue_head+0xd0/0xd0 [ 49.684099][ T3598] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 49.684112][ T3598] ? __phys_addr+0xc4/0x140 [ 49.684127][ T3598] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 49.684140][ T3598] ? __phys_addr_symbol+0x2c/0x70 [ 49.684154][ T3598] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 49.684166][ T3598] ? __check_object_size+0x16c/0x4f0 [ 49.684181][ T3598] file_tty_write.constprop.0+0x520/0x900 [ 49.684197][ T3598] ? n_tty_check_unthrottle+0x440/0x440 [ 49.684211][ T3598] new_sync_write+0x38a/0x560 [ 49.684223][ T3598] ? new_sync_read+0x5f0/0x5f0 [ 49.684234][ T3598] ? _raw_spin_lock_irq+0x41/0x50 [ 49.684249][ T3598] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 49.684262][ T3598] ? security_file_permission+0xab/0xd0 [ 49.684279][ T3598] vfs_write+0x7c0/0xac0 [ 49.684291][ T3598] ksys_write+0x127/0x250 [ 49.684302][ T3598] ? __ia32_sys_read+0xb0/0xb0 [ 49.684314][ T3598] ? lockdep_hardirqs_on+0x79/0x100 [ 49.684326][ T3598] ? _raw_spin_unlock_irq+0x2a/0x40 [ 49.684339][ T3598] ? ptrace_notify+0xfa/0x140 [ 49.684356][ T3598] do_syscall_64+0x35/0xb0 [ 49.684371][ T3598] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 49.684390][ T3598] RIP: 0033:0x7fe273b6c5a9 [ 49.684400][ T3598] Code: 28 c3 e8 1a 17 00 00 66 2e 0f 1f 84 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 49.684412][ T3598] RSP: 002b:00007ffcdab3bdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.684423][ T3598] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe273b6c5a9 [ 49.684432][ T3598] RDX: 00000000ffffffde RSI: 00000000200001c0 RDI: 0000000000000003 [ 49.684439][ T3598] RBP: 00007ffcdab3be10 R08: 0000000000000001 R09: 0000000000000001 [ 49.684447][ T3598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 49.684454][ T3598] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 49.684465][ T3598] [ 50.632723][ T3598] CPU: 1 PID: 3598 Comm: syz-executor998 Not tainted 5.18.0-rc6-syzkaller-00161-gbc403203d65a #0 [ 50.643199][ T3598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.653235][ T3598] Call Trace: [ 50.656499][ T3598] [ 50.659413][ T3598] dump_stack_lvl+0xcd/0x134 [ 50.663999][ T3598] should_fail.cold+0x5/0xa [ 50.668484][ T3598] should_failslab+0x5/0x10 [ 50.672971][ T3598] __kmalloc+0x7e/0x350 [ 50.677110][ T3598] ? tty_buffer_alloc+0x23f/0x2a0 [ 50.682119][ T3598] tty_buffer_alloc+0x23f/0x2a0 [ 50.686950][ T3598] __tty_buffer_request_room+0x156/0x2a0 [ 50.692602][ T3598] tty_insert_flip_string_fixed_flag+0x8c/0x240 [ 50.698830][ T3598] pty_write+0x11c/0x1e0 [ 50.703070][ T3598] n_tty_write+0x410/0xfc0 [ 50.707469][ T3598] ? n_tty_check_unthrottle+0x440/0x440 [ 50.713007][ T3598] ? rcu_read_lock_sched_held+0x3a/0x70 [ 50.718537][ T3598] ? __init_waitqueue_head+0xd0/0xd0 [ 50.723805][ T3598] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 50.730028][ T3598] ? __phys_addr+0xc4/0x140 [ 50.734513][ T3598] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 50.740732][ T3598] ? __phys_addr_symbol+0x2c/0x70 [ 50.745740][ T3598] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 50.751439][ T3598] ? __check_object_size+0x16c/0x4f0 [ 50.756706][ T3598] file_tty_write.constprop.0+0x520/0x900 [ 50.762413][ T3598] ? n_tty_check_unthrottle+0x440/0x440 [ 50.767939][ T3598] new_sync_write+0x38a/0x560 [ 50.772596][ T3598] ? new_sync_read+0x5f0/0x5f0 [ 50.777336][ T3598] ? _raw_spin_lock_irq+0x41/0x50 [ 50.782346][ T3598] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 50.788568][ T3598] ? security_file_permission+0xab/0xd0 [ 50.794099][ T3598] vfs_write+0x7c0/0xac0 [ 50.798321][ T3598] ksys_write+0x127/0x250 [ 50.802626][ T3598] ? __ia32_sys_read+0xb0/0xb0 [ 50.807452][ T3598] ? lockdep_hardirqs_on+0x79/0x100 [ 50.812651][ T3598] ? _raw_spin_unlock_irq+0x2a/0x40 [ 50.817844][ T3598] ? ptrace_notify+0xfa/0x140 [ 50.822504][ T3598] do_syscall_64+0x35/0xb0 [ 50.826904][ T3598] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 50.832780][ T3598] RIP: 0033:0x7fe273b6c5a9 [ 50.837175][ T3598] Code: 28 c3 e8 1a 17 00 00 66 2e 0f 1f 84 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 50.856761][ T3598] RSP: 002b:00007ffcdab3bdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.865155][ T3598] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe273b6c5a9 [ 50.873109][ T3598] RDX: 00000000ffffffde RSI: 00000000200001c0 RDI: 0000000000000003 [ 50.881061][ T3598] RBP: 00007ffcdab3be10 R08: 0000000000000001 R09: 0000000000000001 [ 50.889012][ T3598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 50.896958][ T3598] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 50.904913][ T3598]