uvm_fault(0xfffffd806be373e0, 0x18, 0, 1) -> e kernel: page fault trap, code=0 Stopped at ether_frm_ctloutput+0x257: movl 0x18(%r15),%r14d TID PID UID PRFLAGS PFLAGS CPU COMMAND * 3644 6038 0 0 0x4000000 1 syz-executor 163267 45240 0 0 0x4000000 0 syz-executor ether_frm_ctloutput(1,ffff8000014bd400,6,42,0) at ether_frm_ctloutput+0x257 ether_frm_setsockopt sys/net/if_ethersubr.c:1984 [inline] ether_frm_ctloutput(1,ffff8000014bd400,6,42,0) at ether_frm_ctloutput+0x257 sys/net/if_ethersubr.c:2047 sosetopt(ffff8000014bd400,6,42,0) at sosetopt+0x11b sys/kern/uipc_socket.c:-1 sys_setsockopt(ffff80003afff9d8,ffff80003c431e50,ffff80003c431da0) at sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1221 syscall(ffff80003c431e50) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c431e50) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x166e4a8df60, count: 10 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xfffffd806be373e0, 0x18, 0, 1) -> e ddb{1}> trace ether_frm_ctloutput(1,ffff8000014bd400,6,42,0) at ether_frm_ctloutput+0x257 ether_frm_setsockopt sys/net/if_ethersubr.c:1984 [inline] ether_frm_ctloutput(1,ffff8000014bd400,6,42,0) at ether_frm_ctloutput+0x257 sys/net/if_ethersubr.c:2047 sosetopt(ffff8000014bd400,6,42,0) at sosetopt+0x11b sys/kern/uipc_socket.c:-1 sys_setsockopt(ffff80003afff9d8,ffff80003c431e50,ffff80003c431da0) at sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1221 syscall(ffff80003c431e50) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c431e50) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x166e4a8df60, count: -5 ddb{1}> show registers rdi 0x42 rsi 0xffffffff83838a30 __sancov_gen_cov_switch_values.35 rbp 0xffff80003c431cb0 rbx 0x6 rdx 0xffff80000145cf40 rcx 0xffff80003afff9d8 rax 0xffff8000299ddff0 r8 0 r9 0 r10 0 r11 0xd571868aadb9671e r12 0xffff8000014bd400 r13 0xffff8000014ab500 r14 0x42 r15 0 rip 0xffffffff822efed7 ether_frm_ctloutput+0x257 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c431c00 ss 0x10 ether_frm_ctloutput+0x257: movl 0x18(%r15),%r14d ddb{1}> show proc PROC (syz-executor) tid=3644 pid=6038 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003afff748,0xffffffff8395d588 process=0xffff80002a394e10 user=0xffff80003c42c000, vmspace=0xfffffd806be373e0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 6038 237562 67314 0 3 0x80 fsleep syz-executor * 6038 3644 67314 0 7 0x4000000 syz-executor 12332 215643 97428 0 2 0 syz-executor 12332 357627 97428 0 2 0x4000000 syz-executor 45240 207959 27930 0 2 0 syz-executor 45240 163267 27930 0 7 0x4000000 syz-executor 76443 61368 64635 0 3 0x80 fsleep syz-executor 76443 484583 64635 0 3 0x4000080 nanoslp syz-executor 94707 265964 18085 0 3 0x80 fsleep syz-executor 94707 244223 18085 0 3 0x4000080 ttyin syz-executor 42712 396358 11310 0 3 0x80 fsleep syz-executor 42712 99920 11310 0 3 0x4000080 kqsel syz-executor 72835 81543 0 0 3 0x14200 bored sosplice 27930 421924 54005 0 3 0x82 nanoslp syz-executor 97428 242375 54005 0 3 0x82 nanoslp syz-executor 64635 96885 54005 0 3 0x82 nanoslp syz-executor 11310 12357 54005 0 3 0x82 nanoslp syz-executor 43966 223566 54005 0 3 0x82 wait syz-executor 18085 421071 54005 0 3 0x82 nanoslp syz-executor 67314 461880 54005 0 3 0x82 nanoslp syz-executor 52582 505893 54005 0 3 0x82 nanoslp syz-executor 54005 153379 27458 0 3 0x82 kqread syz-executor 27458 356717 65937 0 3 0x10008a sigsusp ksh 65937 261277 36147 0 3 0x98 kqread sshd-session 36147 466868 24411 0 3 0x92 kqread sshd-session 99528 250494 1 0 3 0x100083 ttyin getty 24411 173702 1 0 3 0x88 kqread sshd 27766 317941 81319 74 3 0x1100092 bpf pflogd 81319 418377 1 0 3 0x80 sbwait pflogd 16975 5736 236 73 3 0x1100090 kqread syslogd 236 216430 1 0 3 0x100082 sbwait syslogd 88192 332997 1 0 3 0x100080 kqread resolvd 57865 29772 97996 77 3 0x100092 kqread dhcpleased 22185 513670 97996 77 3 0x100092 kqread dhcpleased 97996 496114 1 0 3 0x80 kqread dhcpleased 56659 242770 0 0 3 0x14200 bored smr 19140 123192 0 0 3 0x14200 pgzero zerothread 51566 510073 0 0 3 0x14200 aiodoned aiodoned 97660 55727 0 0 3 0x14200 syncer update 16504 153942 0 0 3 0x14200 cleaner cleaner 49092 61693 0 0 3 0x14200 reaper reaper 16724 224749 0 0 3 0x14200 pgdaemon pagedaemon 42904 25009 0 0 3 0x14200 bored viomb 55723 435385 0 0 3 0x40014200 acpi0 acpi0 52480 4618 0 0 3 0x40014200 idle1 84739 191959 0 0 3 0x14200 bored softnet3 64201 508312 0 0 3 0x14200 bored softnet2 94139 371399 0 0 3 0x14200 bored softnet1 16918 42084 0 0 3 0x14200 bored softnet0 11502 486479 0 0 3 0x14200 bored systqmp 70656 332372 0 0 3 0x14200 bored systq 94786 426445 0 0 3 0x14200 tmoslp softclockmp 69547 275807 0 0 3 0x40014200 tmoslp softclock 24750 352151 0 0 3 0x40014200 idle0 1 329238 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 6038 (syz-executor) thread 0xffff80003afff9d8 (3644) exclusive rwlock frame r = 0 (0xffff8000014bd420) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sosetopt+0xf5 sys/kern/uipc_socket.c:1927 #3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1221 #4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 Process 45240 (syz-executor) thread 0xffff80003affe558 (163267) exclusive rwlock futex r = 0 (0xffffffff83821628) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sys_futex+0x69 sys/kern/sys_futex.c:98 #3 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10201 11152K 11480K 166960K 11623 0 pcb 18 13K 14K 166960K 97 0 rtable 192 7K 8K 166960K 396 0 pf 35 17K 21K 166960K 80 0 ifaddr 35 5K 7K 166960K 56 0 ifgroup 55 2K 2K 166960K 91 0 sysctl 1 1K 1K 166960K 1 0 counters 64 36K 36K 166960K 86 0 ioctlops 0 0K 4K 166960K 1518 0 iov 1 12K 24K 166960K 16 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1400 88K 88K 166960K 1637 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 19 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 432 0 sigio 0 0K 0K 166960K 8 0 proc 72 91K 128K 166960K 558 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 34 0 in_multi 67 5K 7K 166960K 100 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 387 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 251 168K 177K 166960K 5536 0 UVM aobj 9 2K 2K 166960K 10 0 pinsyscall 43 86K 106K 166960K 1520 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 31 0 NDP 12 0K 2K 166960K 36 0 temp 46 8696K 8772K 166960K 16177 0 kqueue 13 20K 32K 166960K 68 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 56 0 53 1 0 1 1 0 8 0 rtentry 176 118 0 34 6 0 6 6 0 8 0 unpcb 144 146 0 128 1 0 1 1 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 59 0 53 1 0 1 1 0 8 0 arp 128 19 0 4 1 0 1 1 0 8 0 inpcb 384 283 0 272 5 0 5 5 0 8 3 nd6 144 26 0 11 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 5 0 5 1 1 0 1 0 8 0 pppxif 1504 1 0 1 1 1 0 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 0 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 35 0 1 1 0 1 1 0 8 0 pfstkey 128 35 0 1 2 0 2 2 0 8 0 pfstate 384 34 0 1 4 0 4 4 0 8 0 pfrule 1344 27 0 20 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 467 0 143 29 2 27 29 0 8 3 art_table 32 469 0 143 4 0 4 4 0 8 0 art_node 16 116 0 41 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semapl 112 16 0 6 1 0 1 1 0 8 0 shmpl 112 7 0 1 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2074 0 568 95 0 95 95 0 8 0 ffsino 288 2074 0 568 109 0 109 109 0 8 0 nchpl 144 2681 0 992 64 0 64 64 0 8 0 uvmvnodes 80 2355 0 0 49 0 49 49 0 8 0 vnodes 216 2355 0 0 131 0 131 131 0 8 0 namei 1024 8331 0 8331 3 2 1 2 0 8 1 percpumem 16 58 0 11 1 0 1 1 0 8 0 kstatmem 264 40 0 16 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 8313 0 8313 3 2 1 2 1 8 1 plimitpl 152 44 0 27 1 0 1 1 0 8 0 sigapl 424 734 0 683 8 2 6 7 0 8 0 futexpl 64 6026 0 6022 1 0 1 1 0 8 0 knotepl 120 490 0 0 15 0 15 15 0 8 0 kqueuepl 224 96 0 86 2 1 1 2 0 8 0 pipepl 336 120 0 93 3 0 3 3 0 8 0 fdescpl 520 715 0 683 3 0 3 3 0 8 0 filepl 160 2947 0 2718 14 1 13 13 0 8 3 lockfpl 104 64 0 61 1 0 1 1 0 8 0 lockfspl 48 29 0 26 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 36 0 19 1 0 1 1 0 8 0 ucredpl 104 304 0 291 1 0 1 1 0 8 0 zombiepl 144 685 0 683 2 1 1 1 0 8 0 processpl 1192 734 0 683 5 1 4 5 0 8 0 procpl 656 1182 0 1125 8 2 6 6 0 8 0 srpgc 96 4 0 4 1 0 1 1 0 8 1 sockpl 728 502 0 469 8 1 7 7 0 8 3 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 109 0 0 14 0 14 14 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 31 0 0 4 0 4 4 0 8 0 mtagpl 96 20 0 0 1 0 1 1 0 8 0 mbufpl 256 205 0 0 13 0 13 13 0 8 0 bufpl 280 2882 0 125 197 0 197 197 0 8 0 anonpl 32 7484 0 0 61 0 61 61 0 246 0 amapchunkpl 152 17313 0 16749 32 5 27 27 0 158 5 amappl16 200 2602 0 2573 18 7 11 11 0 8 9 amappl15 192 6 0 6 2 2 0 1 0 8 0 amappl14 184 113 0 101 1 0 1 1 0 8 0 amappl13 176 5 0 4 1 0 1 1 0 8 0 amappl12 168 1358 0 1326 4 2 2 3 0 8 0 amappl11 160 48 0 34 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 255 0 255 1 1 0 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 111 0 99 1 0 1 1 0 8 0 amappl6 120 191 0 188 1 0 1 1 0 8 0 amappl5 112 129 0 119 1 0 1 1 0 8 0 amappl4 104 315 0 295 1 0 1 1 0 8 0 amappl3 96 3183 0 3060 5 1 4 4 0 8 0 amappl2 88 632 0 569 2 0 2 2 0 8 0 amappl1 80 9405 0 8793 16 3 13 16 0 8 0 amappl 88 4807 0 4629 6 1 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 9 0 1 1 0 1 1 0 8 0 uaddrrnd 24 715 0 683 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 715 0 683 1 0 1 1 0 8 0 vmmpekpl 168 7167 0 7133 2 0 2 2 0 8 0 vmmpepl 168 50769 0 48726 100 3 97 97 0 357 7 vmsppl 480 714 0 683 5 1 4 5 0 8 0 rwobjpl 72 18244 0 14930 64 0 64 64 0 8 2 pdppl 4096 1438 0 1366 96 24 72 86 0 8 0 pvpl 32 14517 0 0 118 0 118 118 0 265 0 pmappl 256 714 0 683 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 382 0 31 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8389dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 sys/dev/kcov.c:153 __mp_lock(ffffffff838ceda0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838ceda0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x12a sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:840 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff838ceda0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838ceda0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80003c413380) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c413380) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd6d4bf85a90, count: 4 ddb{0}> trace x86_ipi_db(ffffffff8389dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 sys/dev/kcov.c:153 __mp_lock(ffffffff838ceda0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838ceda0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x12a sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:840 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff838ceda0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838ceda0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80003c413380) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c413380) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd6d4bf85a90, count: -11 ddb{0}> machine ddbcpu 1 Stopped at ether_frm_ctloutput+0x257: movl 0x18(%r15),%r14d ether_frm_ctloutput(1,ffff8000014bd400,6,42,0) at ether_frm_ctloutput+0x257 ether_frm_setsockopt sys/net/if_ethersubr.c:1984 [inline] ether_frm_ctloutput(1,ffff8000014bd400,6,42,0) at ether_frm_ctloutput+0x257 sys/net/if_ethersubr.c:2047 sosetopt(ffff8000014bd400,6,42,0) at sosetopt+0x11b sys/kern/uipc_socket.c:-1 sys_setsockopt(ffff80003afff9d8,ffff80003c431e50,ffff80003c431da0) at sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1221 syscall(ffff80003c431e50) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c431e50) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x166e4a8df60, count: 10 ddb{1}> trace ether_frm_ctloutput(1,ffff8000014bd400,6,42,0) at ether_frm_ctloutput+0x257 ether_frm_setsockopt sys/net/if_ethersubr.c:1984 [inline] ether_frm_ctloutput(1,ffff8000014bd400,6,42,0) at ether_frm_ctloutput+0x257 sys/net/if_ethersubr.c:2047 sosetopt(ffff8000014bd400,6,42,0) at sosetopt+0x11b sys/kern/uipc_socket.c:-1 sys_setsockopt(ffff80003afff9d8,ffff80003c431e50,ffff80003c431da0) at sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1221 syscall(ffff80003c431e50) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c431e50) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x166e4a8df60, count: -5