kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Wed Mar 2 00:55:49 PST 2022 OpenBSD/amd64 (ci-openbsd-multicore-8.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.1.11' (ED25519) to the list of known hosts. 2022/03/02 01:22:18 parsed 1 programs 2022/03/02 01:22:25 executed programs: 0 2022/03/02 01:22:30 executed programs: 203 2022/03/02 01:22:35 executed programs: 454 2022/03/02 01:22:40 executed programs: 697 2022/03/02 01:22:45 executed programs: 941 2022/03/02 01:22:50 executed programs: 1176 2022/03/02 01:22:55 executed programs: 1420 2022/03/02 01:23:00 executed programs: 1661 2022/03/02 01:23:05 executed programs: 1896 2022/03/02 01:23:10 executed programs: 2144 2022/03/02 01:23:15 executed programs: 2382 2022/03/02 01:23:20 executed programs: 2622 2022/03/02 01:23:25 executed programs: 2856 2022/03/02 01:23:30 executed programs: 3103 2022/03/02 01:23:35 executed programs: 3333 2022/03/02 01:23:40 executed programs: 3579 2022/03/02 01:23:45 executed programs: 3817 2022/03/02 01:23:50 executed programs: 4059 2022/03/02 01:23:55 executed programs: 4299 2022/03/02 01:24:00 executed programs: 4546 2022/03/02 01:24:05 executed programs: 4778 2022/03/02 01:24:10 executed programs: 5016 2022/03/02 01:24:15 executed programs: 5258 2022/03/02 01:24:20 executed programs: 5506 2022/03/02 01:24:25 executed programs: 5735 2022/03/02 01:24:30 executed programs: 5980 2022/03/02 01:24:35 executed programs: 6214 2022/03/02 01:24:40 executed programs: 6445 2022/03/02 01:24:45 executed programs: 6671 2022/03/02 01:24:50 executed programs: 6908 2022/03/02 01:24:55 executed programs: 7146 2022/03/02 01:25:00 executed programs: 7380 2022/03/02 01:25:05 executed programs: 7620 2022/03/02 01:25:11 executed programs: 7858 2022/03/02 01:25:16 executed programs: 8102 2022/03/02 01:25:21 executed programs: 8342 2022/03/02 01:25:26 executed programs: 8578 2022/03/02 01:25:31 executed programs: 8817 2022/03/02 01:25:36 executed programs: 9050 2022/03/02 01:25:41 executed programs: 9284 2022/03/02 01:25:46 executed programs: 9513 2022/03/02 01:25:51 executed programs: 9749 2022/03/02 01:25:56 executed programs: 9979 2022/03/02 01:26:01 executed programs: 10213 2022/03/02 01:26:06 executed programs: 10449 2022/03/02 01:26:11 executed programs: 10690 2022/03/02 01:26:16 executed programs: 10928 2022/03/02 01:26:21 executed programs: 11157 2022/03/02 01:26:26 executed programs: 11394 2022/03/02 01:26:31 executed programs: 11621 2022/03/02 01:26:36 executed programs: 11858 2022/03/02 01:26:41 executed programs: 12092 2022/03/02 01:26:46 executed programs: 12314 2022/03/02 01:26:51 executed programs: 12545 2022/03/02 01:26:56 executed programs: 12788 2022/03/02 01:27:01 executed programs: 13013 2022/03/02 01:27:06 executed programs: 13250 2022/03/02 01:27:11 executed programs: 13497 2022/03/02 01:27:16 executed programs: 13741 2022/03/02 01:27:21 executed programs: 13977 2022/03/02 01:27:26 executed programs: 14208 2022/03/02 01:27:31 executed programs: 14440 2022/03/02 01:27:36 executed programs: 14686 2022/03/02 01:27:41 executed programs: 14920 2022/03/02 01:27:46 executed programs: 15158 2022/03/02 01:27:51 executed programs: 15397 2022/03/02 01:27:56 executed programs: 15637 2022/03/02 01:28:01 executed programs: 15872 2022/03/02 01:28:06 executed programs: 16131 2022/03/02 01:28:11 executed programs: 16471 2022/03/02 01:28:16 executed programs: 16820 2022/03/02 01:28:21 executed programs: 17166 2022/03/02 01:28:26 executed programs: 17510 2022/03/02 01:28:31 executed programs: 17854 2022/03/02 01:28:36 executed programs: 18202 2022/03/02 01:28:41 executed programs: 18554 2022/03/02 01:28:46 executed programs: 18897 2022/03/02 01:28:51 executed programs: 19248 2022/03/02 01:28:57 executed programs: 19579 2022/03/02 01:29:02 executed programs: 19903 login: kernel: protection fault trap, code=0 Stopped at ktrops+0x4a: movq 0x8(%rbx),%r14 ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace ktrops(ffff8000ffff4fc8,deadbeefdeadbeef,0,c0000316,fffffd8074110ce0,fffffd807f7d86c0) at ktrops+0x4a doktrace(fffffd8074110ce0,4,40000316,ffffffff,ffff8000ffff4fc8) at doktrace+0x418 sys_ktrace(ffff8000ffff4fc8,ffff800021346748,ffff8000213467a0) at sys_ktrace+0xd2 syscall(ffff800021346810) at syscall+0x489 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72a58f2b320, count: -5 ddb{1}> show registers rdi 0xffff8000ffff4fc8 rsi 0xdeadbeefdeadbeef rbp 0xffff800021346530 rbx 0xdeadbeefdeadbeef rdx 0 rcx 0xc0000316 rax 0x1 r8 0xfffffd8074110ce0 r9 0xfffffd807f7d86c0 r10 0xb43cc9cad406e6f r11 0xc68068f6202eac75 r12 0xffff8000fffffa30 r13 0xfffffd807f7d86c0 r14 0xffff8000ffff4fc8 r15 0xc0000316 rip 0xffffffff81a96e9a ktrops+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000213464b0 ss 0x10 ktrops+0x4a: movq 0x8(%rbx),%r14 ddb{1}> show proc PROC (syz-executor.4) pid=507921 stat=onproc flags process=0 proc=4000000 pri=17, usrpri=84, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff4008,0xffff8000ffff6020 process=0xffff8000212ddd30 user=0xffff800021341000, vmspace=0xfffffd80799bf460 estcpu=34, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 85949 16044 46747 0 2 0 syz-executor.2 85949 381803 46747 0 3 0x4000000 biowait syz-executor.2 17183 257415 35403 0 2 0 syz-executor.4 *17183 507921 35403 0 7 0x4000000 syz-executor.4 70152 353994 65102 0 3 0x2 biowait syz-executor.1 33575 462850 65102 0 3 0x2 biowait syz-executor.3 53860 359614 65102 0 2 0x2 syz-executor.6 13343 486639 65102 0 2 0x482 syz-executor.5 23080 326565 65102 0 3 0x2 biowait syz-executor.7 46747 419420 65102 0 2 0x482 syz-executor.2 35403 243435 65102 0 3 0x82 nanoslp syz-executor.4 79980 374467 65102 0 2 0x2 syz-executor.0 65102 465926 1849 0 3 0x82 thrsleep syz-execprog 65102 147491 1849 0 2 0x4000482 syz-execprog 65102 430642 1849 0 3 0x4000082 thrsleep syz-execprog 65102 132719 1849 0 2 0x4000082 syz-execprog 65102 225564 1849 0 3 0x4000082 thrsleep syz-execprog 65102 325961 1849 0 7 0x4000002 syz-execprog 65102 392657 1849 0 3 0x4000082 thrsleep syz-execprog 65102 438853 1849 0 3 0x4000082 thrsleep syz-execprog 1849 332528 82732 0 3 0x10008a sigsusp ksh 82732 467131 56887 0 3 0x9a kqread sshd 11832 61525 1 0 3 0x100083 ttyin getty 56887 69741 1 0 3 0x88 kqread sshd 56969 473497 45446 74 3 0x1100092 bpf pflogd 45446 138564 1 0 3 0x80 netio pflogd 22805 167211 21737 73 3 0x1100090 kqread syslogd 21737 253918 1 0 3 0x100082 netio syslogd 51779 519517 1 0 3 0x100080 kqread resolvd 29706 300090 84670 77 3 0x100092 kqread dhcpleased 4251 176873 84670 77 3 0x100092 kqread dhcpleased 84670 138748 1 0 3 0x80 kqread dhcpleased 38925 304328 0 0 3 0x14200 bored smr 9242 315432 0 0 2 0x14200 zerothread 14962 481070 0 0 3 0x14200 aiodoned aiodoned 7689 245324 0 0 3 0x14200 syncer update 66224 233872 0 0 3 0x14200 cleaner cleaner 90058 210384 0 0 3 0x14200 reaper reaper 50433 199080 0 0 3 0x14200 pgdaemon pagedaemon 44919 148853 0 0 3 0x14200 bored viomb 86046 421322 0 0 3 0x40014200 acpi0 acpi0 17422 247956 0 0 3 0x40014200 idle1 18739 66038 0 0 3 0x14200 bored softnet 15444 295275 0 0 3 0x14200 bored systqmp 51690 388083 0 0 3 0x14200 bored systq 55731 211091 0 0 3 0x40014200 bored softclock 78345 297401 0 0 3 0x40014200 idle0 1 510472 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 85949 (syz-executor.2) thread 0xffff8000ffff2a90 (381803) exclusive rrwlock inode r = 0 (0xfffffd8079893b40) #0 witness_lock+0x44d #1 rw_enter+0x3e1 #2 rrw_enter+0x8b #3 VOP_LOCK+0x87 #4 ufs_ihashins+0x42 #5 ffs_vget+0x141 #6 ffs_inode_alloc+0x1be #7 ufs_makeinode+0xae #8 ufs_create+0x41 #9 VOP_CREATE+0xbc #10 vn_open+0x28f #11 doopenat+0x26a #12 syscall+0x489 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8074fed1a8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 #2 rrw_enter+0x8b #3 VOP_LOCK+0x87 #4 vn_lock+0x84 #5 vfs_lookup+0xd1 #6 namei+0x36a #7 vn_open+0x188 #8 doopenat+0x26a #9 syscall+0x489 #10 Xsyscall+0x128 Process 17183 (syz-executor.4) thread 0xffff8000ffff4fc8 (507921) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82b2e8b0) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 #2 mi_switch+0x3d3 #3 sleep_finish+0x198 #4 tsleep+0x12c #5 getblk+0x13c #6 bread+0x3a #7 ffs_update+0x14b #8 ufs_inactive+0x25f #9 VOP_INACTIVE+0xc4 #10 vrele+0xd2 #11 ktrsettrace+0xb3 #12 ktrops+0x1a4 #13 doktrace+0x418 #14 sys_ktrace+0xd2 #15 syscall+0x489 #16 Xsyscall+0x128 Process 70152 (syz-executor.1) thread 0xffff8000ffff47e8 (353994) exclusive rrwlock inode r = 0 (0xfffffd8079893920) #0 witness_lock+0x44d #1 rw_enter+0x3e1 #2 rrw_enter+0x8b #3 VOP_LOCK+0x87 #4 ufs_ihashins+0x42 #5 ffs_vget+0x141 #6 ffs_inode_alloc+0x1be #7 ufs_mkdir+0xf4 #8 VOP_MKDIR+0xbf #9 domkdirat+0x121 #10 syscall+0x489 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8079a03e70) #0 witness_lock+0x44d #1 rw_enter+0x3e1 #2 rrw_enter+0x8b #3 VOP_LOCK+0x87 #4 vn_lock+0x84 #5 vfs_lookup+0xd1 #6 namei+0x36a #7 domkdirat+0x75 #8 syscall+0x489 #9 Xsyscall+0x128 Process 33575 (syz-executor.3) thread 0xffff8000ffff6a90 (462850) exclusive rrwlock inode r = 0 (0xfffffd8074fedb38) #0 witness_lock+0x44d #1 rw_enter+0x3e1 #2 rrw_enter+0x8b #3 VOP_LOCK+0x87 #4 ufs_ihashins+0x42 #5 ffs_vget+0x141 #6 ffs_inode_alloc+0x1be #7 ufs_mkdir+0xf4 #8 VOP_MKDIR+0xbf #9 domkdirat+0x121 #10 syscall+0x489 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c58fc58) #0 witness_lock+0x44d #1 rw_enter+0x3e1 #2 rrw_enter+0x8b #3 VOP_LOCK+0x87 #4 vn_lock+0x84 #5 vfs_lookup+0xd1 #6 namei+0x36a #7 domkdirat+0x75 #8 syscall+0x489 #9 Xsyscall+0x128 Process 23080 (syz-executor.7) thread 0xffff80002117b260 (326565) exclusive rrwlock inode r = 0 (0xfffffd80798930a0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 #2 rrw_enter+0x8b #3 VOP_LOCK+0x87 #4 ufs_ihashins+0x42 #5 ffs_vget+0x141 #6 ffs_inode_alloc+0x1be #7 ufs_mkdir+0xf4 #8 VOP_MKDIR+0xbf #9 domkdirat+0x121 #10 syscall+0x489 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8079a03a30) #0 witness_lock+0x44d #1 rw_enter+0x3e1 #2 rrw_enter+0x8b #3 VOP_LOCK+0x87 #4 vn_lock+0x84 #5 vfs_lookup+0xd1 #6 namei+0x36a #7 domkdirat+0x75 #8 syscall+0x489 #9 Xsyscall+0x128 Process 79980 (syz-executor.0) thread 0xffff80002117a540 (374467) exclusive rrwlock inode r = 0 (0xfffffd8074fed2b8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 #2 rrw_enter+0x8b #3 VOP_LOCK+0x87 #4 vn_lock+0x84 #5 vn_closefile+0xc6 #6 fdrop+0xc7 #7 closef+0x11c #8 syscall+0x489 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10173 6473K 6473K 78643K 11263 0 pcb 13 8K 8K 78643K 13 0 rtable 238 6K 7K 78643K 352 0 ifaddr 86 17K 17K 78643K 90 0 counters 56 35K 35K 78643K 56 0 ioctlops 0 0K 4K 78643K 1487 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1167 73K 73K 78643K 1180 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 12 41K 89K 78643K 20216 0 proc 67 87K 124K 78643K 506 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 99 6K 6K 78643K 99 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 25 122K 122K 78643K 25 0 exec 0 0K 2K 78643K 649 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 216 75K 77K 78643K 253238 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 12 0K 2K 78643K 28 0 temp 57 4687K 4751K 78643K 6994775 0 kqueue 12 18K 18K 78643K 25 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 33 0 30 1 0 1 1 0 8 0 rtentry 112 111 0 1 4 0 4 4 0 8 0 unpcb 136 40205 0 40190 1 0 1 1 0 8 0 syncache 296 5 0 5 2 2 0 1 0 8 0 tcpcb 736 8 0 5 1 0 1 1 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 304 64 0 58 1 0 1 1 0 8 0 nd6 48 24 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 pfstitem 24 18 0 17 2 1 1 1 0 8 0 pfstkey 112 18 0 17 2 1 1 1 0 8 0 pfstate 320 18 0 17 2 1 1 1 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 453 0 0 29 0 29 29 0 8 0 art_table 32 454 0 0 4 0 4 4 0 8 0 art_node 16 110 0 10 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 41651 0 33859 488 0 488 488 0 8 0 ffsino 272 41651 0 33859 520 0 520 520 0 8 0 nchpl 144 82090 0 80417 63 0 63 63 0 8 0 uvmvnodes 80 24719 0 0 505 0 505 505 0 8 0 vnodes 224 24719 0 0 1455 0 1455 1455 0 8 0 namei 1024 166640 0 166636 3 2 1 2 0 8 0 percpumem 16 40 0 0 1 0 1 1 0 8 0 scxspl 216 301787 0 301783 61 58 3 8 0 8 2 plimitpl 152 24 0 9 1 0 1 1 0 8 0 sigapl 424 20522 0 20482 6 0 6 6 0 8 0 futexpl 64 207199 0 207199 1 0 1 1 0 8 1 knotepl 120 110 0 0 4 0 4 4 0 8 0 kqueuepl 216 21 0 13 1 0 1 1 0 8 0 pipepl 336 134 0 106 4 1 3 3 0 8 0 fdescpl 496 20508 0 20483 5 1 4 5 0 8 0 filepl 152 81867 0 81731 6 0 6 6 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 26 0 9 1 0 1 1 0 8 0 pgrppl 48 26 0 9 1 0 1 1 0 8 0 ucredpl 96 69 0 57 1 0 1 1 0 8 0 zombiepl 144 20483 0 20482 2 1 1 1 0 8 0 processpl 1064 20522 0 20482 4 0 4 4 0 8 0 procpl 672 51291 0 51242 6 0 6 6 0 8 0 sockpl 480 40302 0 40278 5 1 4 4 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 64 0 0 8 0 8 8 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 273 0 0 15 0 15 15 0 8 0 bufpl 288 138020 0 113301 1766 0 1766 1766 0 8 0 anonpl 24 5303370 0 5297691 58 12 46 47 0 186 1 amapchunkpl 152 603775 0 603325 29 4 25 26 0 158 1 amappl16 200 40410 0 40306 8 1 7 7 0 8 0 amappl15 192 10164 0 10155 1 0 1 1 0 8 0 amappl14 184 2518 0 2517 1 0 1 1 0 8 0 amappl13 176 98 0 96 2 1 1 1 0 8 0 amappl12 168 15 0 14 2 1 1 1 0 8 0 amappl11 160 2574 0 2559 1 0 1 1 0 8 0 amappl10 152 2549 0 2542 1 0 1 1 0 8 0 amappl9 144 2952 0 2949 1 0 1 1 0 8 0 amappl8 136 566 0 530 2 0 2 2 0 8 0 amappl7 128 117 0 106 1 0 1 1 0 8 0 amappl6 120 2743 0 2723 2 1 1 2 0 8 0 amappl5 112 22777 0 22758 1 0 1 1 0 8 0 amappl4 104 3404 0 3380 2 1 1 2 0 8 0 amappl3 96 178 0 166 1 0 1 1 0 8 0 amappl2 88 534 0 492 3 1 2 3 0 8 0 amappl1 80 366111 0 365591 21 7 14 19 0 8 0 amappl 88 252807 0 252644 6 0 6 6 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 20508 0 20483 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 20508 0 20483 1 0 1 1 0 8 0 vmmpekpl 168 134073 0 134049 2 0 2 2 0 8 0 vmmpepl 168 1568463 0 1566902 107 18 89 90 0 357 5 vmsppl 368 20507 0 20483 4 1 3 4 0 8 0 rwobjpl 56 448181 0 422530 371 7 364 364 0 8 1 pdppl 4096 41023 0 40966 105 36 69 81 0 8 12 pvpl 32 8185639 0 8176482 265 171 94 245 0 265 1 pmappl 248 20507 0 20483 3 1 2 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 2954 0 43 84 0 84 84 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82976ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82b2e6a8) at __mp_lock+0x122 intr_handler(ffff800021232070,ffff80000004ad00) at intr_handler+0x5e Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f __mp_lock(ffffffff82b2e6a8) at __mp_lock+0x122 syscall(ffff800021232240) at syscall+0x5c2 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x225014eb0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at ktrops+0x4a: movq 0x8(%rbx),%r14 ddb{1}> trace ktrops(ffff8000ffff4fc8,deadbeefdeadbeef,0,c0000316,fffffd8074110ce0,fffffd807f7d86c0) at ktrops+0x4a doktrace(fffffd8074110ce0,4,40000316,ffffffff,ffff8000ffff4fc8) at doktrace+0x418 sys_ktrace(ffff8000ffff4fc8,ffff800021346748,ffff8000213467a0) at sys_ktrace+0xd2 syscall(ffff800021346810) at syscall+0x489 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72a58f2b320, count: -5