./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3188378479 <...> Warning: Permanently added '10.128.0.72' (ED25519) to the list of known hosts. execve("./syz-executor3188378479", ["./syz-executor3188378479"], 0x7ffc7e6888c0 /* 10 vars */) = 0 brk(NULL) = 0x5555564ed000 brk(0x5555564edd00) = 0x5555564edd00 arch_prctl(ARCH_SET_FS, 0x5555564ed380) = 0 set_tid_address(0x5555564ed650) = 292 set_robust_list(0x5555564ed660, 24) = 0 rseq(0x5555564edca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3188378479", 4096) = 28 getrandom("\x36\x1a\x76\x3d\x91\xd5\x9b\x4f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555564edd00 brk(0x55555650ed00) = 0x55555650ed00 brk(0x55555650f000) = 0x55555650f000 mprotect(0x7fb6bb304000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564ed650) = 293 ./strace-static-x86_64: Process 293 attached [pid 293] set_robust_list(0x5555564ed660, 24) = 0 [pid 293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 293] setpgid(0, 0) = 0 [pid 293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 293] write(3, "1000", 4) = 4 [pid 293] close(3) = 0 [pid 293] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=8, max_entries=12, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [ 20.388675][ T30] audit: type=1400 audit(1711842142.630:66): avc: denied { execmem } for pid=292 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 20.393645][ T30] audit: type=1400 audit(1711842142.630:67): avc: denied { map_create } for pid=293 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 20.400036][ T30] audit: type=1400 audit(1711842142.630:68): avc: denied { map_read map_write } for pid=293 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 20.405009][ T30] audit: type=1400 audit(1711842142.630:69): avc: denied { prog_load } for pid=293 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 20.414503][ T30] audit: type=1400 audit(1711842142.630:70): avc: denied { bpf } for pid=293 comm="syz-executor318" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 20.435257][ T30] audit: type=1400 audit(1711842142.630:71): avc: denied { perfmon } for pid=293 comm="syz-executor318" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 293] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x200003c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 293] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 293] socketpair(AF_UNIX, SOCK_RAW, 0, [6, 7]) = 0 [pid 293] dup(7) = 8 [ 20.545615][ T30] audit: type=1400 audit(1711842142.780:72): avc: denied { prog_run } for pid=293 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 120.556567][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 120.563034][ C1] rcu: 1-...!: (10005 ticks this GP) idle=ce9/1/0x4000000000000000 softirq=2211/2214 fqs=0 last_accelerate: 9265/b97d dyntick_enabled: 1 [ 120.576959][ C1] (t=10002 jiffies g=561 q=1) [ 120.581566][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10001 jiffies! g561 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 120.593535][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=380 [ 120.601083][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g561 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 120.612278][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 120.622087][ C1] rcu: RCU grace-period kthread stack dump: [ 120.627813][ C1] task:rcu_preempt state:I stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 120.636928][ C1] Call Trace: [ 120.640054][ C1] [ 120.642836][ C1] __schedule+0xccc/0x1590 [ 120.647087][ C1] ? __sched_text_start+0x8/0x8 [ 120.651771][ C1] ? __kasan_check_write+0x14/0x20 [ 120.656826][ C1] ? __kasan_check_write+0x14/0x20 [ 120.661772][ C1] schedule+0x11f/0x1e0 [ 120.665772][ C1] schedule_timeout+0x18c/0x370 [ 120.670456][ C1] ? __update_idle_core+0x2a0/0x2a0 [ 120.675485][ C1] ? console_conditional_schedule+0x30/0x30 [ 120.681214][ C1] ? update_process_times+0x200/0x200 [ 120.686538][ C1] ? prepare_to_swait_event+0x308/0x320 [ 120.691923][ C1] rcu_gp_fqs_loop+0x2af/0xf80 [ 120.696501][ C1] ? debug_smp_processor_id+0x17/0x20 [ 120.701707][ C1] ? __note_gp_changes+0x4ab/0x920 [ 120.706652][ C1] ? rcu_gp_init+0xc30/0xc30 [ 120.711069][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 120.716103][ C1] ? rcu_gp_init+0x9cf/0xc30 [ 120.720532][ C1] rcu_gp_kthread+0xa4/0x350 [ 120.724971][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 120.729642][ C1] ? rcu_barrier_callback+0x50/0x50 [ 120.734676][ C1] ? __kasan_check_read+0x11/0x20 [ 120.739537][ C1] ? __kthread_parkme+0xb2/0x200 [ 120.744310][ C1] kthread+0x421/0x510 [ 120.748226][ C1] ? rcu_barrier_callback+0x50/0x50 [ 120.753251][ C1] ? kthread_blkcg+0xd0/0xd0 [ 120.757715][ C1] ret_from_fork+0x1f/0x30 [ 120.761930][ C1] [ 120.764793][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 120.771306][ C1] Sending NMI from CPU 1 to CPUs 0: [ 120.776386][ C0] NMI backtrace for cpu 0 [ 120.776396][ C0] CPU: 0 PID: 293 Comm: syz-executor318 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0 [ 120.776412][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 120.776420][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 120.776442][ C0] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 120.776454][ C0] RSP: 0018:ffffc900007df6c0 EFLAGS: 00000246 [ 120.776474][ C0] RAX: 0000000000000003 RBX: 1ffff920000fbedc RCX: ffffffff8154f88f [ 120.776484][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88811e071d28 [ 120.776497][ C0] RBP: ffffc900007df770 R08: dffffc0000000000 R09: ffffed1023c0e3a6 [ 120.776509][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 120.776519][ C0] R13: ffff88811e071d28 R14: 0000000000000003 R15: 1ffff920000fbee0 [ 120.776530][ C0] FS: 00005555564ed380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 120.776543][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 120.776554][ C0] CR2: 00007fb6bb3080e0 CR3: 000000011e34a000 CR4: 00000000003506b0 [ 120.776567][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 120.776576][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 120.776585][ C0] Call Trace: [ 120.776590][ C0] [ 120.776596][ C0] ? show_regs+0x58/0x60 [ 120.776613][ C0] ? nmi_cpu_backtrace+0x29f/0x300 [ 120.776632][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 120.776649][ C0] ? kvm_wait+0x147/0x180 [ 120.776661][ C0] ? kvm_wait+0x147/0x180 [ 120.776674][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 120.776692][ C0] ? nmi_handle+0xa8/0x280 [ 120.776707][ C0] ? kvm_wait+0x147/0x180 [ 120.776720][ C0] ? default_do_nmi+0x69/0x160 [ 120.776736][ C0] ? exc_nmi+0xaf/0x120 [ 120.776749][ C0] ? end_repeat_nmi+0x16/0x31 [ 120.776765][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 120.776784][ C0] ? kvm_wait+0x147/0x180 [ 120.776797][ C0] ? kvm_wait+0x147/0x180 [ 120.776810][ C0] ? kvm_wait+0x147/0x180 [ 120.776823][ C0] [ 120.776827][ C0] [ 120.776831][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 120.776849][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 120.776863][ C0] ? pv_hash+0x86/0x150 [ 120.776878][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 120.776896][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 120.776912][ C0] ? __sys_bpf+0x405/0x760 [ 120.776927][ C0] ? do_syscall_64+0x3d/0xb0 [ 120.776940][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 120.776958][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 120.776973][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 120.776990][ C0] sock_map_delete_elem+0x99/0x130 [ 120.777007][ C0] ? sock_map_unref+0x352/0x4d0 [ 120.777021][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0xc68 [ 120.777034][ C0] bpf_trace_run2+0xec/0x210 [ 120.777051][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 120.777066][ C0] ? sock_map_unref+0x352/0x4d0 [ 120.777080][ C0] ? __kasan_check_write+0x14/0x20 [ 120.777095][ C0] ? sock_map_unref+0x352/0x4d0 [ 120.777109][ C0] __bpf_trace_kfree+0x6f/0x90 [ 120.777123][ C0] ? sock_map_unref+0x352/0x4d0 [ 120.777137][ C0] kfree+0x1f3/0x220 [ 120.777152][ C0] sock_map_unref+0x352/0x4d0 [ 120.777168][ C0] sock_map_delete_elem+0xc1/0x130 [ 120.777182][ C0] ? kvfree+0x35/0x40 [ 120.777195][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0xc68 [ 120.777206][ C0] bpf_trace_run2+0xec/0x210 [ 120.777221][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 120.777235][ C0] ? sock_map_update_elem_sys+0x439/0x660 [ 120.777250][ C0] ? kvfree+0x35/0x40 [ 120.777262][ C0] ? kvfree+0x35/0x40 [ 120.777275][ C0] __bpf_trace_kfree+0x6f/0x90 [ 120.777288][ C0] ? kvfree+0x35/0x40 [ 120.777299][ C0] kfree+0x1f3/0x220 [ 120.777313][ C0] ? bpf_map_update_value+0x164/0x3c0 [ 120.777327][ C0] kvfree+0x35/0x40 [ 120.777339][ C0] map_update_elem+0x653/0x770 [ 120.777359][ C0] __sys_bpf+0x405/0x760 [ 120.777373][ C0] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 120.777387][ C0] ? ptrace_notify+0x24c/0x350 [ 120.777404][ C0] ? __kasan_check_read+0x11/0x20 [ 120.777419][ C0] __x64_sys_bpf+0x7c/0x90 [ 120.777432][ C0] do_syscall_64+0x3d/0xb0 [ 120.777445][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 120.777462][ C0] RIP: 0033:0x7fb6bb290e39 [ 120.777488][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 120.777499][ C0] RSP: 002b:00007fff5a9b6e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 120.777514][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb6bb290e39 [ 120.777524][ C0] RDX: 0000000000000020 RSI: 00000000200001c0 RDI: 0000000000000002 [ 120.777533][ C0] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 120.777541][ C0] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 [ 120.777550][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 120.777561][ C0] [ 120.777567][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.181 msecs [ 120.778373][ C1] Sending NMI from CPU 1 to CPUs 0: [ 121.280831][ C0] NMI backtrace for cpu 0 [ 121.280843][ C0] CPU: 0 PID: 293 Comm: syz-executor318 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0 [ 121.280860][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 121.280869][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 121.280894][ C0] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 121.280906][ C0] RSP: 0018:ffffc900007df6c0 EFLAGS: 00000246 [ 121.280920][ C0] RAX: 0000000000000003 RBX: 1ffff920000fbedc RCX: ffffffff8154f88f [ 121.280931][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88811e071d28 [ 121.280942][ C0] RBP: ffffc900007df770 R08: dffffc0000000000 R09: ffffed1023c0e3a6 [ 121.280953][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 121.280963][ C0] R13: ffff88811e071d28 R14: 0000000000000003 R15: 1ffff920000fbee0 [ 121.280974][ C0] FS: 00005555564ed380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 121.280987][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 121.280998][ C0] CR2: 00007fb6bb3080e0 CR3: 000000011e34a000 CR4: 00000000003506b0 [ 121.281012][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 121.281020][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 121.281030][ C0] Call Trace: [ 121.281036][ C0] [ 121.281043][ C0] ? show_regs+0x58/0x60 [ 121.281061][ C0] ? nmi_cpu_backtrace+0x29f/0x300 [ 121.281079][ C0] ? ___ratelimit+0x3c0/0x5a0 [ 121.281095][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 121.281112][ C0] ? kvm_wait+0x147/0x180 [ 121.281125][ C0] ? kvm_wait+0x147/0x180 [ 121.281138][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 121.281156][ C0] ? nmi_handle+0xa8/0x280 [ 121.281170][ C0] ? kvm_wait+0x147/0x180 [ 121.281183][ C0] ? kvm_wait+0x147/0x180 [ 121.281196][ C0] ? default_do_nmi+0x69/0x160 [ 121.281213][ C0] ? exc_nmi+0xaf/0x120 [ 121.281226][ C0] ? end_repeat_nmi+0x16/0x31 [ 121.281242][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.281260][ C0] ? kvm_wait+0x147/0x180 [ 121.281273][ C0] ? kvm_wait+0x147/0x180 [ 121.281286][ C0] ? kvm_wait+0x147/0x180 [ 121.281299][ C0] [ 121.281303][ C0] [ 121.281307][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 121.281325][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 121.281339][ C0] ? pv_hash+0x86/0x150 [ 121.281368][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 121.281386][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 121.281402][ C0] ? __sys_bpf+0x405/0x760 [ 121.281418][ C0] ? do_syscall_64+0x3d/0xb0 [ 121.281431][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.281449][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 121.281464][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 121.281481][ C0] sock_map_delete_elem+0x99/0x130 [ 121.281499][ C0] ? sock_map_unref+0x352/0x4d0 [ 121.281513][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0xc68 [ 121.281526][ C0] bpf_trace_run2+0xec/0x210 [ 121.281543][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 121.281558][ C0] ? sock_map_unref+0x352/0x4d0 [ 121.281572][ C0] ? __kasan_check_write+0x14/0x20 [ 121.281588][ C0] ? sock_map_unref+0x352/0x4d0 [ 121.281603][ C0] __bpf_trace_kfree+0x6f/0x90 [ 121.281617][ C0] ? sock_map_unref+0x352/0x4d0 [ 121.281631][ C0] kfree+0x1f3/0x220 [ 121.281648][ C0] sock_map_unref+0x352/0x4d0 [ 121.281664][ C0] sock_map_delete_elem+0xc1/0x130 [ 121.281678][ C0] ? kvfree+0x35/0x40 [ 121.281691][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0xc68 [ 121.281703][ C0] bpf_trace_run2+0xec/0x210 [ 121.281718][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 121.281732][ C0] ? sock_map_update_elem_sys+0x439/0x660 [ 121.281746][ C0] ? kvfree+0x35/0x40 [ 121.281759][ C0] ? kvfree+0x35/0x40 [ 121.281772][ C0] __bpf_trace_kfree+0x6f/0x90 [ 121.281785][ C0] ? kvfree+0x35/0x40 [ 121.281797][ C0] kfree+0x1f3/0x220 [ 121.281810][ C0] ? bpf_map_update_value+0x164/0x3c0 [ 121.281824][ C0] kvfree+0x35/0x40 [ 121.281836][ C0] map_update_elem+0x653/0x770 [ 121.281851][ C0] __sys_bpf+0x405/0x760 [ 121.281864][ C0] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 121.281878][ C0] ? ptrace_notify+0x24c/0x350 [ 121.281895][ C0] ? __kasan_check_read+0x11/0x20 [ 121.281910][ C0] __x64_sys_bpf+0x7c/0x90 [ 121.281923][ C0] do_syscall_64+0x3d/0xb0 [ 121.281936][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.281952][ C0] RIP: 0033:0x7fb6bb290e39 [ 121.281965][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 121.281977][ C0] RSP: 002b:00007fff5a9b6e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 121.281991][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb6bb290e39 [ 121.282001][ C0] RDX: 0000000000000020 RSI: 00000000200001c0 RDI: 0000000000000002 [ 121.282010][ C0] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 121.282018][ C0] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 [ 121.282026][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 121.282037][ C0] [ 121.282043][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.213 msecs [ 121.282817][ C1] NMI backtrace for cpu 1 [ 121.795454][ C1] CPU: 1 PID: 287 Comm: sshd Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0 [ 121.804561][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 121.814458][ C1] Call Trace: [ 121.817584][ C1] [ 121.820272][ C1] dump_stack_lvl+0x151/0x1b7 [ 121.824782][ C1] ? io_uring_drop_tctx_refs+0x190/0x190 [ 121.830251][ C1] ? cpumask_next+0x8a/0xb0 [ 121.834591][ C1] dump_stack+0x15/0x17 [ 121.838585][ C1] nmi_cpu_backtrace+0x2f7/0x300 [ 121.843359][ C1] ? init_x2apic_ldr+0x10/0x10 [ 121.847958][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 121.853961][ C1] ? irq_work_queue+0xd4/0x160 [ 121.858547][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 121.864462][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 121.870264][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 121.876169][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 121.881892][ C1] rcu_dump_cpu_stacks+0x1d8/0x330 [ 121.886840][ C1] print_cpu_stall+0x315/0x5f0 [ 121.891442][ C1] rcu_sched_clock_irq+0x989/0x12f0 [ 121.896476][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 121.902465][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 121.907498][ C1] update_process_times+0x198/0x200 [ 121.912532][ C1] tick_sched_timer+0x188/0x240 [ 121.917219][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 121.922614][ C1] __hrtimer_run_queues+0x41a/0xad0 [ 121.927647][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 121.932579][ C1] ? clockevents_program_event+0x22f/0x300 [ 121.938221][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 121.944122][ C1] hrtimer_interrupt+0x40c/0xaa0 [ 121.948902][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 121.954625][ C1] sysvec_apic_timer_interrupt+0x95/0xc0 [ 121.960095][ C1] [ 121.962869][ C1] [ 121.965646][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 121.971465][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 121.976238][ C1] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 121.995679][ C1] RSP: 0018:ffffc900009f6fe0 EFLAGS: 00000246 [ 122.001580][ C1] RAX: 0000000000000001 RBX: 1ffff9200013ee00 RCX: 1ffffffff0d1aa9c [ 122.009391][ C1] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7137ed4 [ 122.017248][ C1] RBP: ffffc900009f7090 R08: dffffc0000000000 R09: ffffed103ee26fdb [ 122.025100][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 122.033172][ C1] R13: ffff8881f7137ed4 R14: 0000000000000001 R15: 1ffff9200013ee04 [ 122.040988][ C1] ? asm_common_interrupt+0x27/0x40 [ 122.046017][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 122.050966][ C1] __pv_queued_spin_lock_slowpath+0x41b/0xc40 [ 122.056869][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 122.063118][ C1] ? ip_finish_output+0x210/0x210 [ 122.067977][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 122.072747][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 122.077800][ C1] ? skb_push+0xb5/0x120 [ 122.081862][ C1] sock_map_delete_elem+0x99/0x130 [ 122.086810][ C1] ? skb_release_data+0x8a9/0xa80 [ 122.091668][ C1] bpf_prog_2c29ac5cdc6b1842+0x3a/0xc68 [ 122.097052][ C1] bpf_trace_run2+0xec/0x210 [ 122.101515][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 122.106181][ C1] ? skb_release_data+0x8a9/0xa80 [ 122.111025][ C1] ? __kasan_check_write+0x14/0x20 [ 122.115969][ C1] ? skb_release_data+0x8a9/0xa80 [ 122.120831][ C1] __bpf_trace_kfree+0x6f/0x90 [ 122.125437][ C1] ? skb_release_data+0x8a9/0xa80 [ 122.130309][ C1] kfree+0x1f3/0x220 [ 122.134023][ C1] skb_release_data+0x8a9/0xa80 [ 122.138798][ C1] __kfree_skb+0x50/0x70 [ 122.142878][ C1] tcp_rtx_queue_unlink_and_free+0x203/0x720 [ 122.148692][ C1] tcp_ack+0x23e0/0x68a0 [ 122.152774][ C1] ? tcp_rcv_established+0x1ac0/0x1ac0 [ 122.158066][ C1] ? ktime_get+0x12f/0x160 [ 122.162319][ C1] tcp_rcv_established+0xcd6/0x1ac0 [ 122.167359][ C1] ? tcp_check_space+0x9d0/0x9d0 [ 122.172124][ C1] ? __kasan_check_read+0x11/0x20 [ 122.176988][ C1] ? ipv4_dst_check+0xe3/0x150 [ 122.181585][ C1] tcp_v4_do_rcv+0x3d7/0xa00 [ 122.186099][ C1] __release_sock+0x145/0x410 [ 122.190634][ C1] release_sock+0x65/0x1b0 [ 122.194866][ C1] tcp_sendmsg+0x3a/0x50 [ 122.198968][ C1] inet_sendmsg+0xa1/0xc0 [ 122.203109][ C1] ? inet_send_prepare+0x4a0/0x4a0 [ 122.208074][ C1] sock_write_iter+0x39b/0x530 [ 122.212656][ C1] ? sock_read_iter+0x480/0x480 [ 122.217345][ C1] ? iov_iter_init+0x53/0x190 [ 122.221856][ C1] vfs_write+0xd5d/0x1110 [ 122.226027][ C1] ? file_end_write+0x1c0/0x1c0 [ 122.230709][ C1] ? __set_current_blocked+0x2a5/0x2f0 [ 122.236015][ C1] ? __kasan_check_read+0x11/0x20 [ 122.240876][ C1] ? __fdget_pos+0x209/0x3a0 [ 122.245290][ C1] ksys_write+0x199/0x2c0 [ 122.249458][ C1] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 122.254849][ C1] ? __ia32_sys_read+0x90/0x90 [ 122.259441][ C1] ? debug_smp_processor_id+0x17/0x20 [ 122.264650][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 122.270555][ C1] __x64_sys_write+0x7b/0x90 [ 122.274978][ C1] do_syscall_64+0x3d/0xb0 [ 122.279236][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 122.284954][ C1] RIP: 0033:0x7f7c1f462bf2 [ 122.289224][ C1] Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83 [ 122.308768][ C1] RSP: 002b:00007ffd8cae3a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 122.317007][ C1] RAX: ffffffffffffffda RBX: 0000000000000044 RCX: 00007f7c1f462bf2 [ 122.324820][ C1] RDX: 0000000000000044 RSI: 0000556c3577fd30 RDI: 0000000000000004 [ 122.332627][ C1] RBP: 0000556c35771460 R08: 0000000000000000 R09: 0000000000000000 [ 122.340455][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556c3444aaa4 [ 122.348248][ C1] R13: 0000000000000014 R14: 0000556c3444b3e8 R15: 00007ffd8cae3aa8 [ 122.356063][ C1] [ 265.329878][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz-executor318:293] [ 265.338290][ C0] Modules linked in: [ 265.339875][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [sshd:287] [ 265.342114][ C0] CPU: 0 PID: 293 Comm: syz-executor318 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0 [ 265.350378][ C1] Modules linked in: [ 265.360539][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 265.364275][ C1] CPU: 1 PID: 287 Comm: sshd Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0 [ 265.374164][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 265.384225][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 265.389001][ C0] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 265.398897][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 265.418335][ C0] RSP: 0018:ffffc900007df6c0 EFLAGS: 00000246 [ 265.423110][ C1] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 265.429013][ C0] RAX: 0000000000000003 RBX: 1ffff920000fbedc RCX: ffffffff8154f88f [ 265.448452][ C1] RSP: 0018:ffffc900009f6fe0 EFLAGS: 00000246 [ 265.456265][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88811e071d28 [ 265.456278][ C0] RBP: ffffc900007df770 R08: dffffc0000000000 R09: ffffed1023c0e3a6 [ 265.462165][ C1] RAX: 0000000000000001 RBX: 1ffff9200013ee00 RCX: 1ffffffff0d1aa9c [ 265.469979][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.477794][ C1] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7137ed4 [ 265.485642][ C0] R13: ffff88811e071d28 R14: 0000000000000003 R15: 1ffff920000fbee0 [ 265.493417][ C1] RBP: ffffc900009f7090 R08: dffffc0000000000 R09: ffffed103ee26fdb [ 265.501231][ C0] FS: 00005555564ed380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.509034][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.516855][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.525612][ C1] R13: ffff8881f7137ed4 R14: 0000000000000001 R15: 1ffff9200013ee04 [ 265.533600][ C0] CR2: 00007fb6bb3080e0 CR3: 000000011e34a000 CR4: 00000000003506b0 [ 265.540027][ C1] FS: 00007f7c1f336800(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.548622][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.556439][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.565187][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.573001][ C1] CR2: 0000556c35780238 CR3: 000000011dbc2000 CR4: 00000000003506a0 [ 265.579511][ C0] Call Trace: [ 265.579519][ C0] [ 265.587332][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.595134][ C0] ? show_regs+0x58/0x60 [ 265.598255][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.600946][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.608760][ C1] Call Trace: [ 265.608768][ C1] [ 265.613117][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.620910][ C1] ? show_regs+0x58/0x60 [ 265.625860][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.629057][ C1] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.631676][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.636796][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.640872][ C0] ? clockevents_program_event+0x22f/0x300 [ 265.646100][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.651032][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.655979][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.661096][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.666734][ C1] ? clockevents_program_event+0x22f/0x300 [ 265.671947][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.677847][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.682990][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.687927][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.693566][ C0] [ 265.693573][ C0] [ 265.699471][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.705375][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.711026][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.715966][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.718734][ C1] [ 265.718741][ C1] [ 265.721513][ C0] ? kvm_wait+0x147/0x180 [ 265.727425][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.733422][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.739053][ C1] ? kvm_wait+0x147/0x180 [ 265.745121][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.747897][ C1] ? asm_common_interrupt+0x27/0x40 [ 265.750764][ C0] ? pv_hash+0x86/0x150 [ 265.754929][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 265.760923][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.766908][ C1] __pv_queued_spin_lock_slowpath+0x41b/0xc40 [ 265.771085][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.776043][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.781056][ C0] ? __sys_bpf+0x405/0x760 [ 265.785052][ C1] ? ip_finish_output+0x210/0x210 [ 265.789994][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.795895][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.801795][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.808047][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.814297][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.818554][ C1] ? skb_push+0xb5/0x120 [ 265.823408][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.827945][ C1] sock_map_delete_elem+0x99/0x130 [ 265.832721][ C0] sock_map_delete_elem+0x99/0x130 [ 265.838619][ C1] ? skb_release_data+0x8a9/0xa80 [ 265.843658][ C0] ? sock_map_unref+0x352/0x4d0 [ 265.848428][ C1] bpf_prog_2c29ac5cdc6b1842+0x3a/0xc68 [ 265.852597][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0xc68 [ 265.857626][ C1] bpf_trace_run2+0xec/0x210 [ 265.862574][ C0] bpf_trace_run2+0xec/0x210 [ 265.867520][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.872380][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.877066][ C1] ? skb_release_data+0x8a9/0xa80 [ 265.882447][ C0] ? sock_map_unref+0x352/0x4d0 [ 265.887923][ C1] ? __kasan_check_write+0x14/0x20 [ 265.892349][ C0] ? __kasan_check_write+0x14/0x20 [ 265.896771][ C1] ? skb_release_data+0x8a9/0xa80 [ 265.901463][ C0] ? sock_map_unref+0x352/0x4d0 [ 265.906150][ C1] __bpf_trace_kfree+0x6f/0x90 [ 265.911013][ C0] __bpf_trace_kfree+0x6f/0x90 [ 265.915699][ C1] ? skb_release_data+0x8a9/0xa80 [ 265.920641][ C0] ? sock_map_unref+0x352/0x4d0 [ 265.925596][ C1] kfree+0x1f3/0x220 [ 265.930457][ C0] kfree+0x1f3/0x220 [ 265.935238][ C1] skb_release_data+0x8a9/0xa80 [ 265.939825][ C0] sock_map_unref+0x352/0x4d0 [ 265.944427][ C1] __kfree_skb+0x50/0x70 [ 265.949388][ C0] sock_map_delete_elem+0xc1/0x130 [ 265.954064][ C1] tcp_rtx_queue_unlink_and_free+0x203/0x720 [ 265.957788][ C0] ? kvfree+0x35/0x40 [ 265.961523][ C1] tcp_ack+0x23e0/0x68a0 [ 265.966205][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0xc68 [ 265.970732][ C1] ? tcp_rcv_established+0x1ac0/0x1ac0 [ 265.974800][ C0] bpf_trace_run2+0xec/0x210 [ 265.979751][ C1] ? ktime_get+0x12f/0x160 [ 265.985570][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.989382][ C1] tcp_rcv_established+0xcd6/0x1ac0 [ 265.993458][ C0] ? sock_map_update_elem_sys+0x439/0x660 [ 265.998841][ C1] ? tcp_check_space+0x9d0/0x9d0 [ 266.004221][ C0] ? kvfree+0x35/0x40 [ 266.008649][ C1] ? __kasan_check_read+0x11/0x20 [ 266.012901][ C0] ? kvfree+0x35/0x40 [ 266.017590][ C1] ? ipv4_dst_check+0xe3/0x150 [ 266.022623][ C0] __bpf_trace_kfree+0x6f/0x90 [ 266.028267][ C1] tcp_v4_do_rcv+0x3d7/0xa00 [ 266.033037][ C0] ? kvfree+0x35/0x40 [ 266.036856][ C1] __release_sock+0x145/0x410 [ 266.041727][ C0] kfree+0x1f3/0x220 [ 266.045543][ C1] release_sock+0x65/0x1b0 [ 266.050134][ C0] ? bpf_map_update_value+0x164/0x3c0 [ 266.054745][ C1] tcp_sendmsg+0x3a/0x50 [ 266.059254][ C0] kvfree+0x35/0x40 [ 266.063066][ C1] inet_sendmsg+0xa1/0xc0 [ 266.067581][ C0] map_update_elem+0x653/0x770 [ 266.071311][ C1] ? inet_send_prepare+0x4a0/0x4a0 [ 266.075567][ C0] __sys_bpf+0x405/0x760 [ 266.080772][ C1] sock_write_iter+0x39b/0x530 [ 266.084854][ C0] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 266.088500][ C1] ? sock_read_iter+0x480/0x480 [ 266.092662][ C0] ? ptrace_notify+0x24c/0x350 [ 266.097266][ C1] ? iov_iter_init+0x53/0x190 [ 266.102214][ C0] ? __kasan_check_read+0x11/0x20 [ 266.106381][ C1] vfs_write+0xd5d/0x1110 [ 266.110979][ C0] __x64_sys_bpf+0x7c/0x90 [ 266.116187][ C1] ? file_end_write+0x1c0/0x1c0 [ 266.120872][ C0] do_syscall_64+0x3d/0xb0 [ 266.125472][ C1] ? __set_current_blocked+0x2a5/0x2f0 [ 266.129995][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 266.135017][ C1] ? __kasan_check_read+0x11/0x20 [ 266.139181][ C0] RIP: 0033:0x7fb6bb290e39 [ 266.143435][ C1] ? __fdget_pos+0x209/0x3a0 [ 266.148125][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 266.152376][ C1] ksys_write+0x199/0x2c0 [ 266.157782][ C0] RSP: 002b:00007fff5a9b6e58 EFLAGS: 00000246 [ 266.163514][ C1] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 266.168377][ C0] ORIG_RAX: 0000000000000141 [ 266.172626][ C1] ? __ia32_sys_read+0x90/0x90 [ 266.177048][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb6bb290e39 [ 266.196496][ C1] ? debug_smp_processor_id+0x17/0x20 [ 266.200657][ C0] RDX: 0000000000000020 RSI: 00000000200001c0 RDI: 0000000000000002 [ 266.206558][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 266.211946][ C0] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 266.216453][ C1] __x64_sys_write+0x7b/0x90 [ 266.221054][ C0] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 [ 266.228865][ C1] do_syscall_64+0x3d/0xb0 [ 266.234070][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 266.241889][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 266.247789][ C0] [ 266.255595][ C1] RIP: 0033:0x7f7c1f462bf2 [ 266.292745][ C1] Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83 [ 266.312192][ C1] RSP: 002b:00007ffd8cae3a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 266.320428][ C1] RAX: ffffffffffffffda RBX: 0000000000000044 RCX: 00007f7c1f462bf2 [ 266.328243][ C1] RDX: 0000000000000044 RSI: 0000556c3577fd30 RDI: 0000000000000004 [ 266.336051][ C1] RBP: 0000556c35771460 R08: 0000000000000000 R09: 0000000000000000 [ 266.343862][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556c3444aaa4 [ 266.351679][ C1] R13: 0000000000000014 R14: 0000556c3444b3e8 R15: 00007ffd8cae3aa8 [ 266.359574][ C1]