uvm_fault(0xfffffd8066fc4d08, 0x18, 0, 1) -> e kernel: page fault trap, code=0 Stopped at mtx_enter+0x6e: movq 0(%r14),%rax TID PID UID PRFLAGS PFLAGS CPU COMMAND *400216 76808 0 0 0x4000000 0 syz-executor mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:335 clockintr_unbind(ffff80000152fb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001490700) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,81,2000,ffff80003a95e2c8) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003a95e2c8) at dtclose+0xd9 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c9a6fc0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8066e42a50,81,fffffd8007bfb888,ffff80003a95e2c8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806636bbd0,ffff80003a95e2c8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806636bbd0,ffff80003a95e2c8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd806636bbd0,ffff80003a95e2c8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806636bbd0,ffff80003a95e2c8) at closef+0x190 sys/kern/kern_descrip.c:1264 syscall(ffff80003c9a7210) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9a7210) at syscall+0x962 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x452ae69c430, count: 4 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: uvm_fault(0xfffffd8066fc4d08, 0x18, 0, 1) -> e ddb> trace mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:335 clockintr_unbind(ffff80000152fb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001490700) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,81,2000,ffff80003a95e2c8) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003a95e2c8) at dtclose+0xd9 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c9a6fc0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8066e42a50,81,fffffd8007bfb888,ffff80003a95e2c8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806636bbd0,ffff80003a95e2c8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806636bbd0,ffff80003a95e2c8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd806636bbd0,ffff80003a95e2c8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806636bbd0,ffff80003a95e2c8) at closef+0x190 sys/kern/kern_descrip.c:1264 syscall(ffff80003c9a7210) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9a7210) at syscall+0x962 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x452ae69c430, count: -11 ddb> show registers rdi 0 rsi 0 rbp 0xffff80003c9a6e70 rbx 0 rdx 0 rcx 0xffff80003a95e2c8 rax 0xffff80003a95e200 r8 0xffffffff81e68880 uvm_map_inentry_sp r9 0x1 r10 0 r11 0x495442e704e90495 r12 0x1 r13 0 r14 0x18 r15 0 rip 0xffffffff814dc20e mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80003c9a6e40 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%rax ddb> show proc PROC (syz-executor) tid=400216 pid=76808 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=82, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003a95ea90,0xffff80003a95ed38 process=0xffff8000ffff56a8 user=0xffff80003c9a2000, vmspace=0xfffffd8066fc4d08 estcpu=32, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 40695 224918 26151 0 2 0 syz-executor 40695 400054 26151 0 3 0x4000080 fsleep syz-executor 76808 92737 18475 0 2 0 syz-executor *76808 400216 18475 0 7 0x4000000 syz-executor 76808 320767 18475 0 3 0x4000080 fsleep syz-executor 95639 368351 93538 0 2 0 syz-executor 95639 87219 93538 0 3 0x4000080 fsleep syz-executor 95639 350127 93538 0 2 0x4000000 syz-executor 98620 422639 68224 0 2 0 syz-executor 98620 515777 68224 0 2 0x4000000 syz-executor 32491 150287 44269 0 2 0 syz-executor 32491 9883 44269 0 2 0x4000000 syz-executor 32491 322327 44269 0 2 0x4000000 syz-executor 5677 459246 46905 0 3 0x3000 suspend syz-executor 5677 504901 46905 0 2 0x4081000 syz-executor 5677 186462 46905 0 3 0x4081000 inode syz-executor 5677 321647 46905 0 3 0x4081000 inode syz-executor 51076 45453 1 0 3 0x80 nanoslp init 33290 316209 0 0 3 0x14200 bored sosplice 62055 275072 0 0 3 0x14280 nfsidl nfsio 36509 450502 0 0 3 0x14280 nfsidl nfsio 37817 392332 0 0 3 0x14280 nfsidl nfsio 10325 202603 0 0 3 0x14280 nfsidl nfsio 40410 461525 0 0 3 0x14280 nfsidl nfsio 11562 518315 0 0 3 0x14280 nfsidl nfsio 65472 363270 0 0 3 0x14280 nfsidl nfsio 97444 357813 0 0 3 0x14280 nfsidl nfsio 55578 218214 0 0 3 0x14280 nfsidl nfsio 40084 263671 0 0 3 0x14280 nfsidl nfsio 37056 69338 0 0 3 0x14280 nfsidl nfsio 39590 437231 0 0 3 0x14280 nfsidl nfsio 94617 372582 0 0 3 0x14280 nfsidl nfsio 60607 4863 0 0 3 0x14280 nfsidl nfsio 34656 443915 0 0 3 0x14280 nfsidl nfsio 63918 86893 0 0 3 0x14280 nfsidl nfsio 91156 272146 0 0 3 0x14280 nfsidl nfsio 54220 337735 0 0 3 0x14280 nfsidl nfsio 70222 122923 0 0 3 0x14280 nfsidl nfsio 72370 112210 0 0 3 0x14280 nfsidl nfsio 95862 454756 0 0 3 0x14200 acct acct 15920 162851 65569 0 3 0x82 sbwait sshd-session 26151 15811 62971 0 3 0x82 nanoslp syz-executor 36604 439385 62971 0 2 0x2 syz-executor 93538 99688 62971 0 3 0x82 nanoslp syz-executor 72256 267847 62971 0 3 0x82 wait syz-executor 44269 506978 62971 0 3 0x82 nanoslp syz-executor 46905 433679 62971 0 3 0x82 wait syz-executor 68224 61587 62971 0 3 0x82 nanoslp syz-executor 18475 31592 62971 0 2 0x3 syz-executor 62971 8896 76126 0 3 0x82 kqread syz-executor 76126 452314 42871 0 3 0x10008a sigsusp ksh 42871 330139 77353 0 3 0x98 kqread sshd-session 77353 512281 65569 0 3 0x92 kqread sshd-session 65569 400034 1 0 3 0x88 kqread sshd 92637 485895 21394 73 3 0x1100090 kqread syslogd 21394 271758 1 0 3 0x100082 sbwait syslogd 99482 281835 1 0 3 0x100080 kqread resolvd 38663 17433 74213 77 3 0x100092 kqread dhcpleased 17376 480242 74213 77 3 0x100092 kqread dhcpleased 74213 520200 1 0 3 0x80 kqread dhcpleased 76279 282375 0 0 3 0x14200 bored smr 49977 239311 0 0 2 0x14200 zerothread 98222 522622 0 0 3 0x14200 aiodoned aiodoned 46884 230484 0 0 3 0x14200 syncer update 65488 30710 0 0 3 0x14200 cleaner cleaner 52924 221736 0 0 3 0x14200 reaper reaper 64681 308975 0 0 3 0x14200 pgdaemon pagedaemon 91919 52983 0 0 3 0x14200 bored viomb 13576 137975 0 0 3 0x40014200 acpi0 acpi0 59356 446952 0 0 3 0x14200 bored softnet7 18556 259404 0 0 3 0x14200 bored softnet6 65352 289760 0 0 3 0x14200 bored softnet5 39798 30351 0 0 3 0x14200 bored softnet4 4446 131496 0 0 3 0x14200 bored softnet3 7981 47045 0 0 3 0x14200 bored softnet2 99324 464269 0 0 3 0x14200 bored softnet1 78475 313565 0 0 3 0x14200 bored softnet0 71346 372996 0 0 3 0x14200 bored systqmp 51518 416992 0 0 3 0x14200 bored systq 3070 308052 0 0 3 0x40014200 tmoslp softclock 90605 340139 0 0 3 0x40014200 idle0 1 86675 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10187 11058K 11627K 166960K 12163 0 pcb 17 14K 16K 166960K 387 0 rtable 146 9K 9K 166960K 386 0 pf 32 13K 20K 166960K 205 0 ifaddr 30 5K 7K 166960K 80 0 ifgroup 46 2K 2K 166960K 129 0 sysctl 4 1K 9K 166960K 8 0 counters 31 17K 18K 166960K 139 0 ioctlops 0 0K 4K 166960K 316 0 iov 0 0K 32K 166960K 154 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1434 90K 91K 166960K 2044 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 26 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 20 179K 346K 166960K 817 0 sigio 0 0K 0K 166960K 12 0 proc 52 50K 116K 166960K 593 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 187 0 in_multi 61 4K 7K 166960K 143 0 ether_multi 1 0K 0K 166960K 7 0 mrt 0 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 2K 166960K 476 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 236 155K 179K 166960K 8504 0 UVM aobj 91 5K 5K 166960K 94 0 pinsyscall 40 80K 94K 166960K 1821 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 29 0 NDP 10 0K 2K 166960K 52 0 temp 54 8638K 8708K 166960K 33758 0 kqueue 14 22K 29K 166960K 139 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 117 0 114 1 0 1 1 0 8 0 rtentry 136 120 0 68 4 0 4 4 0 8 0 unpcb 144 648 0 631 6 5 1 6 0 8 0 syncache 336 5 0 5 1 1 0 1 0 8 0 tcpcb 736 454 0 448 7 6 1 7 0 8 0 arp 96 11 0 5 1 0 1 1 0 8 0 ipq 40 2 0 0 1 0 1 1 0 8 0 ipqe 40 3 0 0 1 0 1 1 0 8 0 inpcb 328 1052 0 1042 11 9 2 10 0 8 1 ip6q 72 19 0 17 1 0 1 1 0 8 0 ip6af 40 38 0 36 1 0 1 1 0 8 0 nd6 104 23 0 12 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 1 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 97 0 97 2 1 1 1 0 8 1 pppxif 1384 5 0 5 1 1 0 1 0 8 0 pfstscr 40 7 0 6 1 0 1 1 0 8 0 pfrktable 1344 2 0 2 1 1 0 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 4 0 0 1 0 1 1 0 8 0 pfstkey 128 14 0 10 1 0 1 1 0 8 0 pfstate 384 7 0 5 1 0 1 1 0 8 0 pfrule 1344 6 0 6 2 1 1 1 0 8 1 rttmr 136 3 0 3 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 634 0 348 28 7 21 28 0 8 0 art_table 40 636 0 348 5 0 5 5 0 8 0 art_node 32 119 0 73 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 23 0 13 1 0 1 1 0 8 0 shmpl 112 91 0 3 3 0 3 3 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2968 0 1471 95 0 95 95 0 8 0 ffsino 256 2968 0 1471 95 0 95 95 0 8 0 nchpl 144 4107 0 2423 63 0 63 63 0 8 0 rtmask 32 7 0 7 1 1 0 1 0 8 0 uvmvnodes 80 3391 0 0 70 0 70 70 0 8 0 vnodes 216 3391 0 0 189 0 189 189 0 8 0 namei 1024 14334 0 14333 2 1 1 2 0 8 0 kstatmem 264 72 0 52 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 5 0 5 1 1 0 1 0 8 0 scxspl 216 17065 0 17065 9 7 2 8 1 8 2 plimitpl 152 280 0 262 1 0 1 1 0 8 0 sigapl 424 1092 0 1019 9 0 9 9 0 8 0 knotepl 120 45605 0 45556 10 7 3 10 0 8 0 kqueuepl 184 239 0 229 1 0 1 1 0 8 0 pipepl 304 225 0 198 3 0 3 3 0 8 0 fdescpl 448 1049 0 1018 5 1 4 5 0 8 0 filepl 120 7043 0 6828 11 2 9 11 0 8 0 lockfpl 104 298 0 296 1 0 1 1 0 8 0 lockfspl 48 127 0 125 1 0 1 1 0 8 0 sessionpl 144 24 0 16 1 0 1 1 0 8 0 pgrppl 48 46 0 30 1 0 1 1 0 8 0 ucredpl 104 1176 0 1165 1 0 1 1 0 8 0 zombiepl 144 1038 0 1036 1 0 1 1 0 8 0 processpl 1152 1092 0 1019 6 0 6 6 0 8 0 procpl 664 2090 0 2006 8 0 8 8 0 8 0 sosppl 168 1 0 1 1 1 0 1 0 8 0 sockpl 552 2015 0 1985 12 9 3 12 0 8 0 mcl64k 65536 59 0 59 1 1 0 1 0 8 0 mcl16k 16384 2 0 2 1 1 0 1 0 8 0 mcl12k 12288 2 0 2 1 1 0 1 0 8 0 mcl8k 8192 7 0 7 1 1 0 1 0 8 0 mcl4k 4096 3330 0 3279 15 8 7 15 0 8 0 mcl2k 2048 1327 0 1325 2 1 1 2 0 8 0 mtagpl 96 9 0 6 1 0 1 1 0 8 0 mbufpl 256 11692 0 11553 15 2 13 15 0 8 0 bufpl 280 6604 0 376 446 0 446 446 0 8 0 anonpl 24 164135 0 159093 47 15 32 47 0 187 0 amapchunkpl 152 28222 0 27713 41 19 22 41 0 158 2 amappl16 200 3034 0 2892 20 12 8 15 0 8 0 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 111 0 101 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 1656 0 1627 3 1 2 3 0 8 0 amappl11 160 45 0 35 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 1 0 1 0 8 0 amappl9 144 254 0 254 1 1 0 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 115 0 104 1 0 1 1 0 8 0 amappl6 120 227 0 221 1 0 1 1 0 8 0 amappl5 112 110 0 103 1 0 1 1 0 8 0 amappl4 104 276 0 260 1 0 1 1 0 8 0 amappl3 96 4834 0 4735 3 0 3 3 0 8 0 amappl2 88 1290 0 1215 2 0 2 2 0 8 0 amappl1 80 11018 0 10409 15 0 15 15 0 8 0 amappl 88 7710 0 7539 5 0 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 7 0 7 1 1 0 1 0 8 0 dma128 128 255 0 255 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 93 0 3 2 0 2 2 0 8 0 uaddrrnd 24 1048 0 1018 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1048 0 1018 1 0 1 1 0 8 0 vmmpekpl 168 9805 0 9773 2 0 2 2 0 8 0 vmmpepl 168 70873 0 68798 101 8 93 100 0 357 0 vmsppl 368 1048 0 1018 4 1 3 4 0 8 0 rwobjpl 40 23470 0 18955 46 0 46 46 0 8 0 pdppl 4096 2102 0 2036 96 28 68 80 0 8 2 pvpl 32 453814 0 441757 119 21 98 117 0 265 0 pmappl 216 1048 0 1018 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 376 0 61 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:335 clockintr_unbind(ffff80000152fb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001490700) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,81,2000,ffff80003a95e2c8) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003a95e2c8) at dtclose+0xd9 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c9a6fc0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8066e42a50,81,fffffd8007bfb888,ffff80003a95e2c8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806636bbd0,ffff80003a95e2c8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806636bbd0,ffff80003a95e2c8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd806636bbd0,ffff80003a95e2c8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806636bbd0,ffff80003a95e2c8) at closef+0x190 sys/kern/kern_descrip.c:1264 syscall(ffff80003c9a7210) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9a7210) at syscall+0x962 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x452ae69c430, count: -11 ddb> machine ddbcpu 1 No such command ddb> trace mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:335 clockintr_unbind(ffff80000152fb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001490700) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,81,2000,ffff80003a95e2c8) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003a95e2c8) at dtclose+0xd9 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c9a6fc0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8066e42a50,81,fffffd8007bfb888,ffff80003a95e2c8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806636bbd0,ffff80003a95e2c8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806636bbd0,ffff80003a95e2c8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd806636bbd0,ffff80003a95e2c8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806636bbd0,ffff80003a95e2c8) at closef+0x190 sys/kern/kern_descrip.c:1264 syscall(ffff80003c9a7210) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9a7210) at syscall+0x962 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x452ae69c430, count: -11