panic: kernel diagnostic assertion "p->p_stat == SONPROC || p->p_stat == SSLEEP || p->p_stat == SSTOP" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_synch.c", line 408 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 63832 28169 32767 0x10 0 1 syz-executor.5 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8279f797) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8281f97d,ffffffff82856978,198,ffffffff827b3c6f) at __assert+0x29 sys/kern/subr_prf.c:157 tsleep_nsec(0,1,22a8519da90be4f3,120) at tsleep_nsec rwsleep(ffff80002121b010,ffffffff82ba9c20,120,ffffffff8279733b,0) at rwsleep+0xab sys/kern/kern_synch.c:300 futex_wait(2462378ff20,2,0,2) at futex_wait+0x13d sys/kern/sys_futex.c:250 sys_futex(ffff80002121b010,ffff80002e455940,ffff80002e455990) at sys_futex+0xfc sys/kern/sys_futex.c:101 syscall(ffff80002e455a10) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e455a10) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2464ea8f930, count: 6 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: kernel diagnostic assertion "p->p_stat == SONPROC || p->p_stat == SSLEEP || p->p_stat == SSTOP" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_synch.c", line 408 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8279f797) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8281f97d,ffffffff82856978,198,ffffffff827b3c6f) at __assert+0x29 sys/kern/subr_prf.c:157 tsleep_nsec(0,1,22a8519da90be4f3,120) at tsleep_nsec rwsleep(ffff80002121b010,ffffffff82ba9c20,120,ffffffff8279733b,0) at rwsleep+0xab sys/kern/kern_synch.c:300 futex_wait(2462378ff20,2,0,2) at futex_wait+0x13d sys/kern/sys_futex.c:250 sys_futex(ffff80002121b010,ffff80002e455940,ffff80002e455990) at sys_futex+0xfc sys/kern/sys_futex.c:101 syscall(ffff80002e455a10) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e455a10) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2464ea8f930, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e455650 rbx 0xffffffff82b86b9f cpu_info_full_primary+0x2b9f rdx 0xffff800000cfd0c0 rcx 0xffff80002121b010 rax 0xffffffff82b85ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x7c80e40a58afc3c7 r11 0x65263b36c35e0b81 r12 0xffffffff82b869a0 cpu_info_full_primary+0x29a0 r13 0 r14 0 r15 0x1 rip 0xffffffff81984c5c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002e455640 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.0) pid=233859 stat=run flags process=1810 proc=4080080 pri=76, usrpri=76, nice=20 forw=0x0, list=0xffff80002121a570,0xffffffff82d117a8 process=0xffff80002637d938 user=0xffff80002e450000, vmspace=0xfffffd8069d103c0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 96558 175531 84210 32767 3 0x3810 suspend syz-executor.0 *96558 233859 84210 32767 2 0x4081890 syz-executor.0 92684 292917 78968 32767 2 0x10 syz-executor.4 92684 469989 78968 32767 2 0x4000010 syz-executor.4 28169 63832 87436 32767 7 0x10 syz-executor.5 55563 164580 41668 32767 3 0x90 nanoslp syz-executor.7 55563 119428 41668 32767 3 0x4000090 netio syz-executor.7 55563 354013 41668 32767 3 0x4000090 fsleep syz-executor.7 68117 178634 86987 32767 3 0x90 nanoslp syz-executor.1 86987 239321 93779 0 3 0x82 wait syz-executor.1 41668 308324 75501 32767 3 0x90 nanoslp syz-executor.7 75501 30051 93779 0 3 0x82 wait syz-executor.7 78968 452628 40080 32767 3 0x90 nanoslp syz-executor.4 40080 290416 93779 0 3 0x82 wait syz-executor.4 87436 78124 92421 32767 3 0x90 nanoslp syz-executor.5 92421 306851 93779 0 3 0x82 wait syz-executor.5 53033 39126 4511 32767 2 0x10 syz-executor.6 4511 356961 93779 0 3 0x82 wait syz-executor.6 53758 302674 55268 32767 3 0x90 nanoslp syz-executor.3 55268 516993 93779 0 3 0x82 wait syz-executor.3 34825 401822 11545 32767 2 0x10 syz-executor.2 11545 295714 93779 0 3 0x82 wait syz-executor.2 25266 358134 0 0 3 0x14200 bored sosplice 84210 166649 30814 32767 3 0x90 nanoslp syz-executor.0 30814 434081 93779 0 3 0x82 wait syz-executor.0 93779 133254 70508 0 3 0x2000082 thrsleep syz-fuzzer 93779 81210 70508 0 3 0x6000082 nanoslp syz-fuzzer 93779 351861 70508 0 3 0x6000082 wait syz-fuzzer 93779 493071 70508 0 3 0x6000082 thrsleep syz-fuzzer 93779 32863 70508 0 3 0x6000082 wait syz-fuzzer 93779 193395 70508 0 3 0x6000082 wait syz-fuzzer 93779 187191 70508 0 3 0x6000082 wait syz-fuzzer 93779 410923 70508 0 3 0x6000082 thrsleep syz-fuzzer 93779 365431 70508 0 3 0x6000082 wait syz-fuzzer 93779 194455 70508 0 3 0x6000082 thrsleep syz-fuzzer 93779 218986 70508 0 3 0x6000082 wait syz-fuzzer 93779 110722 70508 0 3 0x6000082 thrsleep syz-fuzzer 93779 361365 70508 0 3 0x6000082 wait syz-fuzzer 93779 383961 70508 0 3 0x6000082 thrsleep syz-fuzzer 93779 381232 70508 0 3 0x6000082 kqread syz-fuzzer 93779 489775 70508 0 3 0x6000082 wait syz-fuzzer 70508 310599 67177 0 3 0x10008a sigsusp ksh 67177 29778 84186 0 3 0x9a kqread sshd 45361 228439 1 0 3 0x100083 ttyin getty 84186 295493 1 0 3 0x88 kqread sshd 43024 48350 27227 73 3 0x1100090 kqread syslogd 27227 407086 1 0 3 0x100082 netio syslogd 51230 109930 1 0 3 0x100080 kqread resolvd 2756 242716 52288 77 3 0x100092 kqread dhcpleased 51260 261625 52288 77 3 0x100092 kqread dhcpleased 52288 110555 1 0 3 0x80 kqread dhcpleased 61522 337585 0 0 3 0x14200 bored smr 20457 349055 0 0 2 0x14200 zerothread 14171 315057 0 0 3 0x14200 aiodoned aiodoned 57390 254487 0 0 3 0x14200 syncer update 64003 223547 0 0 3 0x14200 cleaner cleaner 62120 378630 0 0 3 0x14200 reaper reaper 9392 363859 0 0 3 0x14200 pgdaemon pagedaemon 83968 475836 0 0 3 0x14200 bored viomb 31392 178432 0 0 3 0x40014200 acpi0 acpi0 30053 296366 0 0 3 0x40014200 idle1 56989 455915 0 0 3 0x14200 bored softnet3 63767 114157 0 0 3 0x14200 bored softnet2 86335 419017 0 0 3 0x14200 bored softnet1 3263 278003 0 0 3 0x14200 bored softnet0 79685 93562 0 0 3 0x14200 bored systqmp 80866 518987 0 0 3 0x14200 bored systq 63300 162583 0 0 3 0x40014200 bored softclock 87227 319886 0 0 3 0x40014200 idle0 1 49271 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive sched_lock &sched_lock r = 0 (0xffffffff82d61628) #0 witness_lock+0x447 #1 sleep_finish+0x142 sys/kern/kern_synch.c:398 #2 rwsleep+0xab sys/kern/kern_synch.c:300 #3 futex_wait+0x13d sys/kern/sys_futex.c:250 #4 sys_futex+0xfc sys/kern/sys_futex.c:101 #5 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #5 syscall+0x606 sys/arch/amd64/amd64/trap.c:623 #6 Xsyscall+0x128 Process 53033 (syz-executor.6) thread 0xffff800021225548 (39126) exclusive rrwlock inode r = 0 (0xfffffd806ed46700) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1343 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069c4cb40) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3058 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10205 6411K 6420K 78643K 11404 0 pcb 13 16K 20K 78643K 19 0 rtable 244 6K 7K 78643K 2747 0 pf 29 8K 8K 78643K 109 0 ifaddr 44 15K 16K 78643K 210 0 ifgroup 50 2K 2K 78643K 210 0 sysctl 3 1K 1K 78643K 3 0 counters 60 35K 35K 78643K 140 0 ioctlops 0 0K 2K 78643K 303 0 iov 0 0K 48K 78643K 2223 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1279 80K 80K 78643K 4905 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 318 0 VM map 2 1K 1K 78643K 2 0 sem 11 1K 1K 78643K 24 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 22 81K 117K 78643K 25666 0 sigio 0 0K 0K 78643K 354 0 proc 56 78K 115K 78643K 3220 0 subproc 104 6K 6K 78643K 624 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 2843 0 in_multi 99 7K 7K 78643K 770 0 ether_multi 1 0K 0K 78643K 18 0 mrt 1 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 169 758K 758K 78643K 169 0 exec 0 0K 1K 78643K 5054 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 8 62K 64K 78643K 10 0 UVM amap 517 95K 114K 78643K 253422 0 UVM aobj 131 4K 7K 78643K 149 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 703 0 NDP 11 0K 2K 78643K 147 0 temp 74 5920K 6048K 78643K 64968 0 kqueue 12 18K 26K 78643K 2186 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> 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 1319 0 1316 14 13 1 5 0 8 0 rtentry 112 595 0 480 4 0 4 4 0 8 0 unpcb 144 14822 0 14807 168 167 1 10 0 8 0 syncache 304 312 0 312 48 47 1 1 0 8 1 tcpqe 32 346 0 346 37 37 0 1 0 8 0 tcpcb 808 34000 0 33946 376 359 17 23 0 8 8 arp 120 103 0 84 1 0 1 1 0 8 0 ipq 40 146 0 145 16 15 1 1 0 8 0 ipqe 40 763 0 762 16 15 1 1 0 8 0 inpcb 368 46957 0 46896 394 378 16 27 0 8 8 nd6 136 183 0 155 2 0 2 2 0 8 0 kcovpl 48 48 0 40 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2355 0 1886 32 2 30 31 0 8 0 art_table 32 2356 0 1886 4 0 4 4 0 8 0 art_node 16 594 0 489 1 0 1 1 0 8 0 sysvmsgpl 40 33 0 7 1 0 1 1 0 8 0 semupl 112 7 0 7 2 2 0 1 0 8 0 semapl 112 9 0 0 1 0 1 1 0 8 0 shmpl 112 146 0 18 5 1 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 33246 0 31782 92 0 92 92 0 8 0 ffsino 272 33246 0 31782 98 0 98 98 0 8 0 nchpl 144 67210 0 65565 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 223073 0 223072 10 9 1 2 0 8 0 percpumem 16 83 0 40 1 0 1 1 0 8 0 kstatmem 264 102 0 80 2 0 2 2 0 8 0 scxspl 216 218591 0 218591 73 72 1 8 1 8 1 plimitpl 152 4346 0 4322 37 35 2 2 0 8 1 sigapl 424 25881 0 25828 9 2 7 7 0 8 0 futexpl 64 217454 0 217452 13 12 1 1 0 8 0 knotepl 120 1307 0 0 15 5 10 11 0 8 0 kqueuepl 216 5656 0 5648 95 94 1 8 0 8 0 pipepl 320 5291 0 5263 139 136 3 13 0 8 0 fdescpl 496 25863 0 25830 7 2 5 6 0 8 0 filepl 152 172624 0 172384 321 306 15 22 0 8 5 lockfpl 104 4733 0 4731 4 3 1 2 0 8 0 lockfspl 48 1278 0 1276 1 0 1 1 0 8 0 sessionpl 144 63 0 47 1 0 1 1 0 8 0 pgrppl 48 320 0 304 1 0 1 1 0 8 0 ucredpl 104 20943 0 20925 1 0 1 1 0 8 0 zombiepl 144 25830 0 25828 1 0 1 1 0 8 0 processpl 1072 25881 0 25828 4 0 4 4 0 8 0 procpl 680 71881 0 71809 50 43 7 8 0 8 0 sosppl 168 426 0 425 26 25 1 1 0 8 0 sockpl 488 63985 0 63905 921 900 21 42 0 8 8 mcl64k 65536 34 0 0 3 0 3 3 0 8 0 mcl16k 16384 41 0 0 5 2 3 3 0 8 0 mcl12k 12288 49 0 0 3 1 2 2 0 8 0 mcl9k 9216 25 0 0 2 0 2 2 0 8 0 mcl8k 8192 65 0 0 3 0 3 3 0 8 0 mcl4k 4096 83 0 0 5 2 3 3 0 8 0 mcl2k2 2112 21 0 0 2 0 2 2 0 8 0 mcl2k 2048 686 0 0 38 19 19 33 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 2995 0 0 156 1 155 156 0 8 0 bufpl 288 48118 0 41792 456 3 453 453 0 8 0 anonpl 24 2552034 0 2539555 236 138 98 124 0 186 0 amapchunkpl 152 816564 0 815707 208 170 38 52 0 158 0 amappl16 200 52903 0 52631 346 318 28 44 0 8 13 amappl15 192 5 0 4 1 0 1 1 0 8 0 amappl14 184 303 0 285 2 1 1 2 0 8 0 amappl13 176 19 0 19 2 2 0 1 0 8 0 amappl12 168 27105 0 27068 2 0 2 2 0 8 0 amappl11 160 71 0 59 1 0 1 1 0 8 0 amappl10 152 94 0 78 1 0 1 1 0 8 0 amappl9 144 414 0 414 24 24 0 1 0 8 0 amappl8 136 1722 0 1412 11 0 11 11 0 8 0 amappl7 128 187 0 171 2 0 2 2 0 8 0 amappl6 120 779 0 754 1 0 1 1 0 8 0 amappl5 112 841 0 833 1 0 1 1 0 8 0 amappl4 104 1228 0 1188 2 0 2 2 0 8 0 amappl3 96 156979 0 156893 16 13 3 4 0 8 0 amappl2 88 27325 0 27239 4 2 2 3 0 8 0 amappl1 80 100598 0 100077 22 9 13 22 0 8 0 amappl 88 251568 0 251322 8 1 7 7 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 72 148 0 18 3 0 3 3 0 8 0 uaddrrnd 24 25863 0 25830 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 25863 0 25830 1 0 1 1 0 8 0 vmmpekpl 168 194078 0 194019 6 2 4 4 0 8 0 vmmpepl 168 1494655 0 1492141 336 205 131 140 0 357 2 vmsppl 464 25862 0 25830 7 2 5 6 0 8 0 rwobjpl 56 369946 0 362361 129 18 111 114 0 8 0 pdppl 4096 51734 0 51660 883 803 80 92 0 8 6 pvpl 32 7236865 0 7218025 755 572 183 331 0 265 4 pmappl 248 25862 0 25830 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2608 0 1623 29 0 29 29 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8279f797) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8281f97d,ffffffff82856978,198,ffffffff827b3c6f) at __assert+0x29 sys/kern/subr_prf.c:157 tsleep_nsec(0,1,22a8519da90be4f3,120) at tsleep_nsec rwsleep(ffff80002121b010,ffffffff82ba9c20,120,ffffffff8279733b,0) at rwsleep+0xab sys/kern/kern_synch.c:300 futex_wait(2462378ff20,2,0,2) at futex_wait+0x13d sys/kern/sys_futex.c:250 sys_futex(ffff80002121b010,ffff80002e455940,ffff80002e455990) at sys_futex+0xfc sys/kern/sys_futex.c:101 syscall(ffff80002e455a10) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e455a10) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2464ea8f930, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800020d58ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82d61420) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d61420) at __mp_lock+0x122 sys/kern/kern_lock.c:147 preempt() at preempt+0x37 sys/kern/sched_bsd.c:340 ast(ffff80002c9fbe50) at ast+0x109 mi_ast sys/sys/syscall_mi.h:192 [inline] ast(ffff80002c9fbe50) at ast+0x109 sys/arch/amd64/amd64/trap.c:541 Xsyscall() at Xsyscall+0x156 end of kernel end trace frame: 0x7f53f640e3f0, count: 8 ddb{1}> trace x86_ipi_db(ffff800020d58ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82d61420) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d61420) at __mp_lock+0x122 sys/kern/kern_lock.c:147 preempt() at preempt+0x37 sys/kern/sched_bsd.c:340 ast(ffff80002c9fbe50) at ast+0x109 mi_ast sys/sys/syscall_mi.h:192 [inline] ast(ffff80002c9fbe50) at ast+0x109 sys/arch/amd64/amd64/trap.c:541 Xsyscall() at Xsyscall+0x156 end of kernel end trace frame: 0x7f53f640e3f0, count: -7