panic: kernel diagnostic assertion "__mp_lock_held(&sched_lock, curcpu()) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_lock.c", line 63 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *509721 2684 32767 0x1810 0x4080080 1 syz-executor.5 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8259bd82) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff8261504d,ffffffff8261b5a3,3f,ffffffff8264d4fb) at __assert+0x25 sys/kern/subr_prf.c:161 _kernel_lock() at _kernel_lock+0xb2 sys/kern/kern_lock.c:63 single_thread_check_locked(ffff8000247c07f0,1,c) at single_thread_check_locked+0x1f6 sys/kern/kern_sig.c:2037 single_thread_check(ffff8000247c07f0,1) at single_thread_check+0x4b sys/kern/kern_sig.c:2057 sleep_finish(ffff8000247961a0,1) at sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline] sleep_finish(ffff8000247961a0,1) at sleep_finish+0x75 sys/kern/kern_synch.c:400 rwsleep(ffff8000247c07f0,ffffffff82957750,120,ffffffff82595e88,0) at rwsleep+0xd5 sys/kern/kern_synch.c:314 futex_wait(9072b3e1c50,2,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff8000247c07f0,ffff800024796330,ffff800024796390) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff800024796400) at syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800024796400) at syscall+0x484 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x90712117720, count: 3 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: kernel diagnostic assertion "__mp_lock_held(&sched_lock, curcpu()) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_lock.c", line 63 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8259bd82) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff8261504d,ffffffff8261b5a3,3f,ffffffff8264d4fb) at __assert+0x25 sys/kern/subr_prf.c:161 _kernel_lock() at _kernel_lock+0xb2 sys/kern/kern_lock.c:63 single_thread_check_locked(ffff8000247c07f0,1,c) at single_thread_check_locked+0x1f6 sys/kern/kern_sig.c:2037 single_thread_check(ffff8000247c07f0,1) at single_thread_check+0x4b sys/kern/kern_sig.c:2057 sleep_finish(ffff8000247961a0,1) at sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline] sleep_finish(ffff8000247961a0,1) at sleep_finish+0x75 sys/kern/kern_synch.c:400 rwsleep(ffff8000247c07f0,ffffffff82957750,120,ffffffff82595e88,0) at rwsleep+0xd5 sys/kern/kern_synch.c:314 futex_wait(9072b3e1c50,2,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff8000247c07f0,ffff800024796330,ffff800024796390) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff800024796400) at syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800024796400) at syscall+0x484 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x90712117720, count: -12 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800024795f60 rbx 0xffff800020dd9bb7 rdx 0 rcx 0 rax 0xffff8000247c07f0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x38affdf0634fdb4b r11 0x23ec721119f30d04 r12 0xffff800020dd99b8 r13 0 r14 0 r15 0x1 rip 0xffffffff81477f68 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800024795f50 ss 0 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.5) pid=509721 stat=onproc flags process=1810 proc=4080080 pri=79, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff8000247c1270,0xffffffff82ae5bb0 process=0xffff80002e472588 user=0xffff800024791000, vmspace=0xfffffd806605aa28 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 2684 274005 91509 32767 2 0x3810 syz-executor.5 * 2684 509721 91509 32767 7 0x4081890 syz-executor.5 48277 356171 87303 32767 3 0x90 nanoslp syz-executor.3 48277 450550 87303 32767 3 0x4000090 piperd syz-executor.3 48277 357050 87303 32767 3 0x4000090 fsleep syz-executor.3 93884 203115 0 0 3 0x14200 bored sosplice 45287 165054 98771 32767 3 0x90 piperd syz-executor.7 98771 395418 1184 0 3 0x82 wait syz-executor.7 52495 77631 18090 32767 3 0x90 piperd syz-executor.6 87303 86887 38482 32767 3 0x90 nanoslp syz-executor.3 91509 523629 91756 32767 3 0x90 nanoslp syz-executor.5 12762 266648 62182 32767 3 0x90 piperd syz-executor.4 18090 279341 1184 0 3 0x82 wait syz-executor.6 15845 164871 20560 32767 3 0x90 piperd syz-executor.2 38482 347864 1184 0 3 0x82 wait syz-executor.3 91756 97414 1184 0 3 0x82 wait syz-executor.5 62182 125568 1184 0 3 0x82 wait syz-executor.4 77495 340334 72570 32767 3 0x90 nanoslp syz-executor.1 20560 73974 1184 0 3 0x82 wait syz-executor.2 77631 184005 45246 32767 3 0x90 piperd syz-executor.0 72570 358466 1184 0 3 0x82 wait syz-executor.1 45246 292099 1184 0 3 0x82 wait syz-executor.0 1184 338304 9035 0 3 0x82 kqread syz-fuzzer 1184 482276 9035 0 3 0x4000082 nanoslp syz-fuzzer 1184 214562 9035 0 3 0x4000082 thrsleep syz-fuzzer 1184 39088 9035 0 3 0x4000082 thrsleep syz-fuzzer 1184 48214 9035 0 3 0x4000082 thrsleep syz-fuzzer 1184 45465 9035 0 3 0x4000082 thrsleep syz-fuzzer 1184 301409 9035 0 3 0x4000082 thrsleep syz-fuzzer 1184 161529 9035 0 3 0x4000082 thrsleep syz-fuzzer 1184 520733 9035 0 3 0x4000082 thrsleep syz-fuzzer 9035 137323 15681 0 3 0x10008a sigsusp ksh 15681 106886 57734 0 3 0x9a kqread sshd 9102 102179 1 0 3 0x100083 ttyin getty 57734 437225 1 0 3 0x88 kqread sshd 34213 309671 70954 73 3 0x1100090 kqread syslogd 70954 226212 1 0 3 0x100082 netio syslogd 24700 490313 1 0 3 0x100080 kqread resolvd 39858 247096 72916 77 3 0x100092 kqread dhcpleased 11710 410708 72916 77 3 0x100092 kqread dhcpleased 72916 37471 1 0 3 0x80 kqread dhcpleased 83824 14642 0 0 3 0x14200 bored smr 63003 413394 0 0 3 0x14200 pgzero zerothread 81924 440327 0 0 3 0x14200 aiodoned aiodoned 81062 49659 0 0 3 0x14200 syncer update 41012 388341 0 0 3 0x14200 cleaner cleaner 38388 369625 0 0 3 0x14200 reaper reaper 80988 384527 0 0 3 0x14200 pgdaemon pagedaemon 57318 357661 0 0 3 0x14200 bored viomb 7162 160992 0 0 3 0x40014200 acpi0 acpi0 79164 480825 0 0 3 0x40014200 idle1 95965 461836 0 0 3 0x14200 bored softnet 55332 341994 0 0 3 0x14200 bored softnet 27562 199757 0 0 3 0x14200 bored softnet 52929 162957 0 0 3 0x14200 bored softnet 17264 149591 0 0 3 0x14200 bored systqmp 39537 102586 0 0 3 0x14200 bored systq 52893 507451 0 0 3 0x40014200 bored softclock 13370 42027 0 0 7 0x40014200 idle0 1 214888 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive sched_lock &sched_lock r = 0 (0xffffffff82b5eeb8) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3d4 sys/kern/sched_bsd.c:419 #3 single_thread_check_locked+0x17f sys/kern/kern_sig.c:2045 #4 single_thread_check+0x4b sys/kern/kern_sig.c:2057 #5 sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline] #5 sleep_finish+0x75 sys/kern/kern_synch.c:400 #6 rwsleep+0xd5 sys/kern/kern_synch.c:314 #7 futex_wait+0x13c sys/kern/sys_futex.c:260 #8 sys_futex+0xf8 sys/kern/sys_futex.c:111 #9 syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] #9 syscall+0x484 sys/arch/amd64/amd64/trap.c:585 #10 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10194 6410K 6420K 78643K 11285 0 pcb 13 10K 12K 78643K 15 0 rtable 236 6K 6K 78643K 452 0 ifaddr 81 16K 16K 78643K 82 0 counters 56 35K 35K 78643K 56 0 ioctlops 0 0K 2K 78643K 68 0 iov 0 0K 16K 78643K 325 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1270 79K 79K 78643K 1307 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 11 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 155 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 20 73K 121K 78643K 1330 0 sigio 0 0K 0K 78643K 12 0 proc 56 78K 103K 78643K 550 0 subproc 104 6K 6K 78643K 104 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 99 0 in_multi 99 6K 6K 78643K 108 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 163 731K 731K 78643K 163 0 exec 0 0K 2K 78643K 719 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 208 76K 84K 78643K 9315 0 UVM aobj 27 6K 6K 78643K 27 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 11 0 NDP 11 0K 2K 78643K 27 0 temp 124 4722K 4786K 78643K 6160 0 kqueue 14 22K 24K 78643K 95 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 120 195 0 192 2 1 1 2 0 8 0 rtentry 112 112 0 1 4 0 4 4 0 8 0 unpcb 136 767 0 754 7 6 1 5 0 8 0 syncache 296 11 0 11 3 3 0 1 0 8 0 tcpqe 32 147 0 147 1 1 0 1 0 8 0 tcpcb 736 322 0 314 7 5 2 7 0 8 1 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 320 1052 0 1043 18 9 9 12 0 8 8 ip6q 72 3 0 3 1 1 0 1 0 8 0 ip6af 40 9 0 9 1 1 0 1 0 8 0 nd6 48 25 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 459 0 0 29 0 29 29 0 8 0 art_table 32 460 0 0 4 0 4 4 0 8 0 art_node 16 111 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 25 0 22 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 152 0 142 1 0 1 1 0 8 0 shmpl 112 24 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2976 0 1541 91 0 91 91 0 8 0 ffsino 272 2976 0 1541 97 0 97 97 0 8 0 nchpl 144 5116 0 3445 63 0 63 63 0 8 0 uvmvnodes 80 3089 0 0 64 0 64 64 0 8 0 vnodes 224 3089 0 0 182 0 182 182 0 8 0 namei 1024 16326 0 16326 2 1 1 2 0 8 1 percpumem 16 40 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 14387 0 14387 11 8 3 8 0 8 3 plimitpl 152 196 0 173 1 0 1 1 0 8 0 sigapl 424 1609 0 1559 7 0 7 7 0 8 0 futexpl 64 13117 0 13115 1 0 1 1 0 8 0 knotepl 120 563 0 0 17 0 17 17 0 8 0 kqueuepl 224 158 0 148 1 0 1 1 0 8 0 pipepl 336 413 0 383 8 5 3 8 0 8 0 fdescpl 496 1591 0 1560 7 2 5 6 0 8 0 filepl 152 8762 0 8522 25 10 15 19 0 8 5 lockfpl 104 135 0 133 1 0 1 1 0 8 0 lockfspl 48 41 0 39 1 0 1 1 0 8 0 sessionpl 144 23 0 7 1 0 1 1 0 8 0 pgrppl 48 190 0 174 1 0 1 1 0 8 0 ucredpl 104 1006 0 988 1 0 1 1 0 8 0 zombiepl 144 1560 0 1559 1 0 1 1 0 8 0 processpl 1064 1609 0 1559 5 0 5 5 0 8 0 procpl 672 3799 0 3738 8 1 7 8 0 8 0 sosppl 168 19 0 19 2 1 1 1 0 8 1 sockpl 480 2054 0 2029 43 31 12 21 0 8 8 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 10 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 13 0 0 2 0 2 2 0 8 0 mcl4k 4096 18 0 0 3 0 3 3 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 199 0 0 24 0 24 24 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 3581 0 0 224 0 224 224 0 8 0 bufpl 288 5384 0 142 375 0 375 375 0 8 0 anonpl 24 289052 0 277360 101 17 84 100 0 186 6 amapchunkpl 152 26004 0 25440 36 3 33 33 0 158 3 amappl16 200 4013 0 3701 31 12 19 30 0 8 1 amappl15 192 5 0 2 1 0 1 1 0 8 0 amappl14 184 42 0 37 1 0 1 1 0 8 0 amappl13 176 226 0 221 1 0 1 1 0 8 0 amappl12 168 475 0 467 2 1 1 1 0 8 0 amappl11 160 231 0 214 1 0 1 1 0 8 0 amappl10 152 46 0 40 1 0 1 1 0 8 0 amappl9 144 827 0 818 1 0 1 1 0 8 0 amappl8 136 697 0 653 2 0 2 2 0 8 0 amappl7 128 271 0 259 1 0 1 1 0 8 0 amappl6 120 520 0 502 2 1 1 2 0 8 0 amappl5 112 1017 0 1003 1 0 1 1 0 8 0 amappl4 104 944 0 920 2 1 1 2 0 8 0 amappl3 96 4730 0 4678 2 0 2 2 0 8 0 amappl2 88 2207 0 2139 3 1 2 3 0 8 0 amappl1 80 39217 0 38596 19 3 16 19 0 8 0 amappl 88 8759 0 8614 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 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 26 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1591 0 1560 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1591 0 1560 1 0 1 1 0 8 0 vmmpekpl 168 15746 0 15691 3 0 3 3 0 8 0 vmmpepl 168 156945 0 154692 130 6 124 129 0 357 8 vmsppl 368 1590 0 1560 4 0 4 4 0 8 0 rwobjpl 56 41915 0 37585 64 1 63 63 0 8 0 pdppl 4096 3189 0 3120 115 34 81 93 0 8 12 pvpl 32 664347 0 647967 256 39 217 255 0 265 71 pmappl 248 1590 0 1560 4 1 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 991 0 47 27 0 27 27 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff8292aff0) at x86_ipi_db+0x1a 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+0x23 __mp_lock(ffffffff82b5ecb0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82b5ecb0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82b5ecb0,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x3d4 sys/kern/sched_bsd.c:419 sched_idle(ffffffff8292aff0) at sched_idle+0x1a6 sys/kern/kern_sched.c:164 end trace frame: 0x0, count: 8 ddb{0}> trace x86_ipi_db(ffffffff8292aff0) at x86_ipi_db+0x1a 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+0x23 __mp_lock(ffffffff82b5ecb0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82b5ecb0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82b5ecb0,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x3d4 sys/kern/sched_bsd.c:419 sched_idle(ffffffff8292aff0) at sched_idle+0x1a6 sys/kern/kern_sched.c:164 end trace frame: 0x0, count: -7 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8259bd82) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff8261504d,ffffffff8261b5a3,3f,ffffffff8264d4fb) at __assert+0x25 sys/kern/subr_prf.c:161 _kernel_lock() at _kernel_lock+0xb2 sys/kern/kern_lock.c:63 single_thread_check_locked(ffff8000247c07f0,1,c) at single_thread_check_locked+0x1f6 sys/kern/kern_sig.c:2037 single_thread_check(ffff8000247c07f0,1) at single_thread_check+0x4b sys/kern/kern_sig.c:2057 sleep_finish(ffff8000247961a0,1) at sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline] sleep_finish(ffff8000247961a0,1) at sleep_finish+0x75 sys/kern/kern_synch.c:400 rwsleep(ffff8000247c07f0,ffffffff82957750,120,ffffffff82595e88,0) at rwsleep+0xd5 sys/kern/kern_synch.c:314 futex_wait(9072b3e1c50,2,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff8000247c07f0,ffff800024796330,ffff800024796390) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff800024796400) at syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800024796400) at syscall+0x484 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x90712117720, count: 3 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8259bd82) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff8261504d,ffffffff8261b5a3,3f,ffffffff8264d4fb) at __assert+0x25 sys/kern/subr_prf.c:161 _kernel_lock() at _kernel_lock+0xb2 sys/kern/kern_lock.c:63 single_thread_check_locked(ffff8000247c07f0,1,c) at single_thread_check_locked+0x1f6 sys/kern/kern_sig.c:2037 single_thread_check(ffff8000247c07f0,1) at single_thread_check+0x4b sys/kern/kern_sig.c:2057 sleep_finish(ffff8000247961a0,1) at sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline] sleep_finish(ffff8000247961a0,1) at sleep_finish+0x75 sys/kern/kern_synch.c:400 rwsleep(ffff8000247c07f0,ffffffff82957750,120,ffffffff82595e88,0) at rwsleep+0xd5 sys/kern/kern_synch.c:314 futex_wait(9072b3e1c50,2,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff8000247c07f0,ffff800024796330,ffff800024796390) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff800024796400) at syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800024796400) at syscall+0x484 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x90712117720, count: -12