panic: bad dir Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 478620 12774 0 0 0 0 syz-executor *376867 12774 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83383e2d) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff800037be48e8,ffff800037be48e8,199213c5c6043394) at ufs_dirbadentry VOP_LOOKUP(fffffd8009ee3948,ffff800037be4c88,ffff800037be4cb8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff800037be4c58) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff800037be4c58) at namei+0x7aa sys/kern/vfs_lookup.c:250 vn_open(ffff800037be4c58,2,0) at vn_open+0x13f sys/kern/vfs_vnops.c:140 doopenat(ffff80002a2c32a8,ffffff9c,200000000040,1,0,ffff800037be4e00) at doopenat+0x32e sys/kern/vfs_syscalls.c:1137 syscall(ffff800037be4eb0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037be4eb0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x695f3378aa0, count: 5 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: bad dir ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83383e2d) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff800037be48e8,ffff800037be48e8,199213c5c6043394) at ufs_dirbadentry VOP_LOOKUP(fffffd8009ee3948,ffff800037be4c88,ffff800037be4cb8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff800037be4c58) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff800037be4c58) at namei+0x7aa sys/kern/vfs_lookup.c:250 vn_open(ffff800037be4c58,2,0) at vn_open+0x13f sys/kern/vfs_vnops.c:140 doopenat(ffff80002a2c32a8,ffffff9c,200000000040,1,0,ffff800037be4e00) at doopenat+0x32e sys/kern/vfs_syscalls.c:1137 syscall(ffff800037be4eb0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037be4eb0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x695f3378aa0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800037be4710 rbx 0xffff8000299dedcf rdx 0xffff80000145c780 rcx 0xffff80002a2c32a8 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x95aaea905aee175c r11 0xa3d93332e29e5c5c r12 0xffff8000299debd0 r13 0 r14 0 r15 0x1 rip 0xffffffff81b8a7e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800037be4700 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=376867 pid=12774 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c445008,0xffff80002a2c4550 process=0xffff8000ffff7458 user=0xffff800037bdf000, vmspace=0xfffffd807eb8fb40 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 79969 450942 59792 0 2 0 syz-executor 79969 94681 59792 0 2 0x4000080 syz-executor 79969 314186 59792 0 3 0x4000080 fsleep syz-executor 12774 478620 95410 0 7 0 syz-executor *12774 376867 95410 0 7 0x4000000 syz-executor 53825 7147 51009 0 2 0 syz-executor 53825 150029 51009 0 2 0x4000000 syz-executor 79671 322917 55331 0 2 0x2 arp 55331 464576 47426 0 3 0x10008a sigsusp sh 30106 361217 8848 0 2 0 syz-executor 30106 306740 8848 0 3 0x4000080 pipewr syz-executor 46051 408836 28793 0 2 0 syz-executor 46051 105840 28793 0 3 0x4000080 fsleep syz-executor 54066 12485 4642 0 2 0 syz-executor 54066 461588 4642 0 3 0x4000080 fsleep syz-executor 54066 94321 4642 0 3 0x4000080 fsleep syz-executor 61117 320272 84635 0 2 0 syz-executor 61117 209084 84635 0 3 0x4000080 fsleep syz-executor 47426 79226 81269 0 3 0x82 wait syz-executor 91262 25565 0 0 3 0x14200 acct acct 8848 102241 81269 0 3 0x82 nanoslp syz-executor 1369 475295 0 0 3 0x14200 bored sosplice 4642 26740 81269 0 2 0x2 syz-executor 28793 403470 81269 0 3 0x82 nanoslp syz-executor 84635 38502 81269 0 3 0x82 nanoslp syz-executor 59792 10607 81269 0 3 0x82 nanoslp syz-executor 95410 373468 81269 0 3 0x82 nanoslp syz-executor 51009 424846 81269 0 3 0x82 nanoslp syz-executor 81269 216604 28476 0 2 0x2 syz-executor 28476 133870 35182 0 3 0x10008a sigsusp ksh 35182 214737 42193 0 3 0x98 kqread sshd-session 42193 13046 41427 0 3 0x92 kqread sshd-session 39209 56666 1 0 3 0x100083 ttyin getty 41427 405241 1 0 3 0x88 kqread sshd 90142 471267 48561 74 3 0x1100092 bpf pflogd 48561 437914 1 0 3 0x80 sbwait pflogd 15719 319160 39624 73 3 0x1100090 kqread syslogd 39624 446217 1 0 3 0x100082 sbwait syslogd 95739 188516 1 0 3 0x100080 kqread resolvd 47947 199795 84089 77 3 0x100092 kqread dhcpleased 52699 366793 84089 77 3 0x100092 kqread dhcpleased 84089 266959 1 0 3 0x80 kqread dhcpleased 82157 21092 0 0 3 0x14200 bored smr 11478 208588 0 0 2 0x14200 zerothread 84340 274286 0 0 3 0x14200 aiodoned aiodoned 38245 469650 0 0 3 0x14200 syncer update 18124 300378 0 0 3 0x14200 cleaner cleaner 5629 272357 0 0 3 0x14200 reaper reaper 19787 466335 0 0 3 0x14200 pgdaemon pagedaemon 36616 34253 0 0 3 0x14200 bored viomb 13419 333477 0 0 3 0x40014200 acpi0 acpi0 99520 102606 0 0 3 0x40014200 idle1 34671 122933 0 0 3 0x14200 bored softnet3 75062 264548 0 0 3 0x14200 bored softnet2 95550 289358 0 0 3 0x14200 bored softnet1 78424 95032 0 0 3 0x14200 bored softnet0 78152 325141 0 0 3 0x14200 bored systqmp 66632 474686 0 0 3 0x14200 bored systq 72055 374293 0 0 3 0x14200 tmoslp softclockmp 18737 111126 0 0 3 0x40014200 tmoslp softclock 30105 208674 0 0 3 0x40014200 idle0 1 395610 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 12774 (syz-executor) thread 0xffff80002a2c32a8 (376867) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839c4c98) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x24f sys/kern/kern_synch.c:412 #4 biowait+0xc1 sys/kern/vfs_bio.c:1246 #5 ffs_bufatoff+0x16f sys/ufs/ffs/ffs_subr.c:71 #6 ufs_lookup+0x548 sys/ufs/ufs/ufs_lookup.c:256 #7 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #9 namei+0x7aa sys/kern/vfs_lookup.c:250 #10 vn_open+0x13f sys/kern/vfs_vnops.c:140 #11 doopenat+0x32e sys/kern/vfs_syscalls.c:1137 #12 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e313f40) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 vn_open+0x13f sys/kern/vfs_vnops.c:140 #8 doopenat+0x32e sys/kern/vfs_syscalls.c:1137 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #10 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10222 11121K 11566K 166960K 12014 0 pcb 18 13K 14K 166960K 159 0 rtable 205 7K 8K 166960K 435 0 pf 34 17K 82K 166960K 84 0 ifaddr 36 6K 7K 166960K 68 0 ifgroup 51 2K 2K 166960K 104 0 sysctl 4 1K 1K 166960K 4 0 counters 62 36K 37K 166960K 110 0 ioctlops 0 0K 4K 166960K 1552 0 iov 0 0K 24K 166960K 34 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1366 86K 87K 166960K 1777 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 15 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 19 69K 93K 166960K 687 0 sigio 0 0K 0K 166960K 12 0 proc 73 91K 140K 166960K 631 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 76 0 in_multi 77 5K 7K 166960K 139 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 461 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 251 173K 177K 166960K 7930 0 UVM aobj 47 4K 4K 166960K 48 0 pinsyscall 44 88K 104K 166960K 1832 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 11 0K 2K 166960K 44 0 temp 64 8685K 8759K 166960K 33945 0 kqueue 13 20K 26K 166960K 88 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 67 0 63 1 0 1 1 0 8 0 rtentry 176 139 0 47 6 0 6 6 0 8 0 unpcb 144 518 0 498 6 5 1 6 0 8 0 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 808 133 0 128 3 1 2 2 0 8 1 arp 128 26 0 10 1 0 1 1 0 8 0 inpcb 384 564 0 552 8 3 5 5 0 8 3 nd6 144 29 0 10 1 0 1 1 0 8 0 pkpcb 40 6 0 6 1 0 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 15 0 15 1 0 1 1 0 8 1 pppxif 1504 3 0 3 1 0 1 1 0 8 1 pffrag 232 3 0 0 1 0 1 1 0 482 0 pffrnode 88 3 0 0 1 0 1 1 0 8 0 pffrent 40 4 0 1 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 pfstitem 24 52 0 10 1 0 1 1 0 8 0 pfstkey 128 54 0 12 2 0 2 2 0 8 0 pfstate 384 52 0 11 5 0 5 5 0 8 0 pfrule 1344 24 0 17 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 559 0 184 31 2 29 31 0 8 2 art_table 32 560 0 184 4 0 4 4 0 8 0 art_node 16 137 0 54 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 7 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 12 0 2 1 0 1 1 0 8 0 shmpl 112 45 0 1 2 0 2 2 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2520 0 1011 95 0 95 95 0 8 0 ffsino 288 2520 0 1011 109 0 109 109 0 8 0 nchpl 144 3459 0 2953 64 0 64 64 0 8 39 rtmask 32 2 0 2 1 0 1 1 0 8 1 uvmvnodes 80 2862 0 0 59 0 59 59 0 8 0 vnodes 216 2862 0 0 159 0 159 159 0 8 0 namei 1024 10820 0 10819 2 1 1 2 0 8 0 percpumem 16 70 0 24 1 0 1 1 0 8 0 kstatmem 264 52 0 30 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 11186 0 11186 10 4 6 8 1 8 6 plimitpl 152 124 0 107 1 0 1 1 0 8 0 sigapl 424 991 0 938 8 2 6 7 0 8 0 futexpl 64 8032 0 8027 1 0 1 1 0 8 0 knotepl 120 535 0 0 17 0 17 17 0 8 0 kqueuepl 224 152 0 142 1 0 1 1 0 8 0 pipepl 336 156 0 128 3 0 3 3 0 8 0 fdescpl 520 969 0 936 3 0 3 3 0 8 0 filepl 160 4723 0 4501 15 4 11 15 0 8 1 lockfpl 104 147 0 145 1 0 1 1 0 8 0 lockfspl 48 66 0 64 1 0 1 1 0 8 0 sessionpl 144 27 0 18 1 0 1 1 0 8 0 pgrppl 48 42 0 25 1 0 1 1 0 8 0 ucredpl 104 723 0 710 1 0 1 1 0 8 0 zombiepl 144 938 0 938 1 0 1 1 0 8 1 processpl 1216 991 0 938 5 0 5 5 0 8 0 procpl 680 1897 0 1835 8 1 7 7 0 8 1 srpgc 96 6 0 6 2 1 1 1 0 8 1 sosppl 168 3 0 3 2 1 1 1 0 8 1 sockpl 728 1161 0 1126 17 10 7 15 0 8 3 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 114 0 0 15 0 15 15 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 26 0 0 4 0 4 4 0 8 0 mtagpl 96 18 0 0 1 0 1 1 0 8 0 mbufpl 256 226 0 0 15 0 15 15 0 8 0 bufpl 280 3399 0 125 234 0 234 234 0 8 0 anonpl 32 9470 0 0 77 0 77 77 0 246 0 amapchunkpl 152 24814 0 24249 30 1 29 30 0 158 6 amappl16 200 3091 0 2966 19 6 13 16 0 8 0 amappl15 192 11 0 10 1 0 1 1 0 8 0 amappl14 184 122 0 110 1 0 1 1 0 8 0 amappl13 176 8 0 8 1 1 0 1 0 8 0 amappl12 168 1650 0 1617 3 1 2 2 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 74 0 73 1 0 1 1 0 8 0 amappl9 144 257 0 257 1 1 0 1 0 8 0 amappl8 136 24 0 21 1 0 1 1 0 8 0 amappl7 128 119 0 106 1 0 1 1 0 8 0 amappl6 120 198 0 194 1 0 1 1 0 8 0 amappl5 112 131 0 121 1 0 1 1 0 8 0 amappl4 104 335 0 315 1 0 1 1 0 8 0 amappl3 96 4914 0 4802 5 1 4 4 0 8 0 amappl2 88 685 0 620 2 0 2 2 0 8 0 amappl1 80 11305 0 10673 16 1 15 15 0 8 0 amappl 88 7132 0 6957 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 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 7 0 7 2 2 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 47 0 1 1 0 1 1 0 8 0 uaddrrnd 24 969 0 936 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 969 0 936 1 0 1 1 0 8 0 vmmpekpl 168 9497 0 9457 3 0 3 3 0 8 0 vmmpepl 168 67535 0 65389 101 0 101 101 0 357 1 vmsppl 480 968 0 936 6 1 5 5 0 8 0 rwobjpl 72 22959 0 18986 73 0 73 73 0 8 0 pdppl 4096 1945 0 1872 105 32 73 85 0 8 0 pvpl 32 16178 0 0 131 0 131 131 0 265 0 pmappl 256 968 0 936 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 405 0 41 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff838a1ff0) 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 end of kernel end trace frame: 0x756071bb34d0, count: 12 ddb{0}> trace x86_ipi_db(ffffffff838a1ff0) 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 end of kernel end trace frame: 0x756071bb34d0, count: -3 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83383e2d) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff800037be48e8,ffff800037be48e8,199213c5c6043394) at ufs_dirbadentry VOP_LOOKUP(fffffd8009ee3948,ffff800037be4c88,ffff800037be4cb8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff800037be4c58) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff800037be4c58) at namei+0x7aa sys/kern/vfs_lookup.c:250 vn_open(ffff800037be4c58,2,0) at vn_open+0x13f sys/kern/vfs_vnops.c:140 doopenat(ffff80002a2c32a8,ffffff9c,200000000040,1,0,ffff800037be4e00) at doopenat+0x32e sys/kern/vfs_syscalls.c:1137 syscall(ffff800037be4eb0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037be4eb0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x695f3378aa0, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83383e2d) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff800037be48e8,ffff800037be48e8,199213c5c6043394) at ufs_dirbadentry VOP_LOOKUP(fffffd8009ee3948,ffff800037be4c88,ffff800037be4cb8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff800037be4c58) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff800037be4c58) at namei+0x7aa sys/kern/vfs_lookup.c:250 vn_open(ffff800037be4c58,2,0) at vn_open+0x13f sys/kern/vfs_vnops.c:140 doopenat(ffff80002a2c32a8,ffffff9c,200000000040,1,0,ffff800037be4e00) at doopenat+0x32e sys/kern/vfs_syscalls.c:1137 syscall(ffff800037be4eb0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037be4eb0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x695f3378aa0, count: -10