panic: kernel diagnostic assertion "sc->sc_dev == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/if_tun.c", line 305 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *152586 64097 0 0 0x4000000 0K syz-executor.4 311140 14365 0 0 0x4000080 1 syz-executor.7 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825739a5) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825e91ae,ffffffff82632dac,131,ffffffff825fdeb9) at __assert+0x25 sys/kern/subr_prf.c:161 tun_clone_destroy(ffff800000ccf800) at tun_clone_destroy+0x278 sys/net/if_tun.c:305 if_clone_destroy(ffff80002e359d00) at if_clone_destroy+0x132 sys/net/if.c:1218 soo_ioctl(fffffd806604d860,80206979,ffff80002e359d00,ffff8000ffff4000) at soo_ioctl+0x26c sys_ioctl(ffff8000ffff4000,ffff80002e359e18,ffff80002e359e70) at sys_ioctl+0x4a2 syscall(ffff80002e359ee0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e359ee0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcb21f157840, 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 "sc->sc_dev == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/if_tun.c", line 305 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825739a5) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825e91ae,ffffffff82632dac,131,ffffffff825fdeb9) at __assert+0x25 sys/kern/subr_prf.c:161 tun_clone_destroy(ffff800000ccf800) at tun_clone_destroy+0x278 sys/net/if_tun.c:305 if_clone_destroy(ffff80002e359d00) at if_clone_destroy+0x132 sys/net/if.c:1218 soo_ioctl(fffffd806604d860,80206979,ffff80002e359d00,ffff8000ffff4000) at soo_ioctl+0x26c sys_ioctl(ffff8000ffff4000,ffff80002e359e18,ffff80002e359e70) at sys_ioctl+0x4a2 syscall(ffff80002e359ee0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e359ee0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcb21f157840, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e359b10 rbx 0xffffffff82920bff cpu_info_full_primary+0x2bff rdx 0 rcx 0 rax 0xffff8000ffff4000 r8 0 r9 0x8080808080808080 r10 0xf84e22170b704922 r11 0xa4d6163cf5d0c1e6 r12 0xffffffff82920a00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff8147cfe8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002e359b00 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.4) pid=152586 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff5ce0,0xffff8000ffff5a50 process=0xffff8000211a2dc8 user=0xffff80002e354000, vmspace=0xfffffd807aa542e8 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 66465 218020 78909 0 2 0 syz-executor.1 66465 251152 78909 0 3 0x4000080 fsleep syz-executor.1 64097 6904 22652 0 2 0 syz-executor.4 *64097 152586 22652 0 7 0x4000000 syz-executor.4 7348 391372 37971 0 2 0 syz-executor.2 7348 510539 37971 0 3 0x4000080 fsleep syz-executor.2 9314 438268 71529 0 2 0 syz-executor.5 9314 254642 71529 0 3 0x4000080 fsleep syz-executor.5 14365 322133 9790 0 2 0 syz-executor.7 14365 272462 9790 0 2 0x4000080 syz-executor.7 14365 311140 9790 0 7 0x4000080 syz-executor.7 68196 385070 51884 0 2 0x480 syz-executor.6 68196 517637 51884 0 3 0x4000080 kqpoll syz-executor.6 68196 337633 51884 0 3 0x4000080 fsleep syz-executor.6 68196 135027 51884 0 3 0x4000080 fsleep syz-executor.6 53763 469393 87902 0 3 0x80 nanoslp syz-executor.0 53763 56929 87902 0 2 0x4000000 syz-executor.0 53763 414498 87902 0 3 0x4000080 fsleep syz-executor.0 90084 324923 66826 0 2 0x10 syz-executor.3 90084 120703 66826 0 3 0x4000090 fsleep syz-executor.3 51884 249437 53512 0 2 0x482 syz-executor.6 78909 256683 53512 0 2 0x482 syz-executor.1 22652 315171 53512 0 2 0x482 syz-executor.4 71529 221854 53512 0 2 0x482 syz-executor.5 87902 472934 53512 0 2 0x482 syz-executor.0 9790 143934 53512 0 3 0x82 nanoslp syz-executor.7 66826 61799 53512 0 3 0x82 nanoslp syz-executor.3 80771 454523 1 0 3 0x100083 ttyopn getty 76569 68891 0 0 3 0x14200 bored sosplice 37971 52252 53512 0 3 0x82 nanoslp syz-executor.2 53512 39794 64694 0 3 0x82 thrsleep syz-fuzzer 53512 414701 64694 0 3 0x4000082 thrsleep syz-fuzzer 53512 83877 64694 0 3 0x4000082 thrsleep syz-fuzzer 53512 258177 64694 0 3 0x4000082 thrsleep syz-fuzzer 53512 423696 64694 0 3 0x4000082 thrsleep syz-fuzzer 53512 223582 64694 0 3 0x4000082 kqread syz-fuzzer 53512 68105 64694 0 3 0x4000082 thrsleep syz-fuzzer 53512 85654 64694 0 3 0x4000082 thrsleep syz-fuzzer 64694 490324 7265 0 3 0x10008a sigsusp ksh 7265 9203 66487 0 3 0x9a kqread sshd 66487 106322 1 0 3 0x88 kqread sshd 22166 339924 57617 74 3 0x100092 bpf pflogd 57617 367768 1 0 3 0x80 netio pflogd 10171 216749 98606 73 3 0x100090 kqread syslogd 98606 370748 1 0 3 0x100082 netio syslogd 10575 33295 1 0 3 0x100080 kqread resolvd 40833 331682 69867 77 2 0x100092 dhcpleased 4444 123712 69867 77 3 0x100092 kqread dhcpleased 69867 253493 1 0 3 0x80 kqread dhcpleased 83610 267281 0 0 3 0x14200 bored smr 21327 359468 0 0 2 0x14200 zerothread 17261 104090 0 0 3 0x14200 aiodoned aiodoned 1070 135681 0 0 3 0x14200 syncer update 96603 458661 0 0 3 0x14200 cleaner cleaner 52002 20531 0 0 3 0x14200 reaper reaper 1582 245380 0 0 3 0x14200 pgdaemon pagedaemon 43596 409320 0 0 3 0x14200 bored viomb 12538 389201 0 0 3 0x40014200 acpi0 acpi0 30101 491035 0 0 3 0x40014200 idle1 66289 1975 0 0 3 0x14200 bored softnet 58686 346260 0 0 3 0x14200 bored systqmp 4776 47457 0 0 3 0x14200 bored systq 1219 88910 0 0 2 0x40014200 softclock 823 89820 0 0 3 0x40014200 idle0 1 313954 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 64097 (syz-executor.4) thread 0xffff8000ffff4000 (152586) exclusive rwlock clonelk r = 0 (0xffffffff828e4a20) #0 witness_lock+0x44d #1 if_clone_destroy+0x49 #2 soo_ioctl+0x26c #3 sys_ioctl+0x4a2 #4 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #4 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a3d4a8) #0 witness_lock+0x44d #1 soo_ioctl+0x25a sys/kern/sys_socket.c:136 #2 sys_ioctl+0x4a2 #3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10226 6585K 7067K 78643K 38736 0 pcb 15 18K 23K 78643K 1645 0 rtable 214 19K 21K 78643K 3554 0 ifaddr 96 30K 38K 78643K 2790 0 sysctl 2 0K 0K 78643K 2 0 counters 58 35K 36K 78643K 1056 0 ioctlops 0 0K 8K 78643K 12866 0 iov 0 0K 28K 78643K 1130 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1334 83K 84K 78643K 8352 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 135 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 1081 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 18 65K 93K 78643K 11679 0 sigio 1 0K 0K 78643K 249 0 proc 70 87K 136K 78643K 2154 0 subproc 104 6K 6K 78643K 666 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 306 0 in_multi 75 5K 6K 78643K 893 0 ether_multi 1 0K 0K 78643K 79 0 mrt 1 0K 0K 78643K 87 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 253 1129K 1129K 78643K 253 0 exec 0 0K 2K 78643K 3047 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 573 861K 861K 78643K 148723 0 UVM aobj 131 4K 4K 78643K 136 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 496 0 NDP 14 0K 2K 78643K 643 0 temp 143 4711K 8808K 78643K 152330 0 kqueue 12 18K 26K 78643K 572 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 120 625 0 622 7 6 1 3 0 8 0 rtentry 112 726 0 644 4 0 4 4 0 8 1 unpcb 136 6406 0 6391 69 68 1 9 0 8 0 syncache 296 36 0 36 14 14 0 1 0 8 0 tcpqe 32 140 0 140 7 7 0 1 0 8 0 tcpcb 736 3635 0 3628 124 116 8 16 0 8 6 arp 120 111 0 96 1 0 1 1 0 8 0 inpcb 304 8878 0 8868 123 114 9 14 0 8 8 rttmr 72 24 0 24 5 5 0 1 0 8 0 nd6 48 204 0 185 1 0 1 1 0 8 0 pkpcb 40 84 0 84 6 6 0 1 0 8 0 kcovpl 48 51 0 43 1 0 1 1 0 8 0 ppxss 1248 420 0 419 13 12 1 1 0 8 0 pfstscr 40 8 0 8 2 2 0 1 0 8 0 pffrag 232 48 0 47 2 1 1 1 0 482 0 pffrnode 88 48 0 47 2 1 1 1 0 8 0 pffrent 40 119 0 118 2 1 1 1 0 8 0 pfosfp 40 1433 0 1009 5 0 5 5 0 8 0 pfosfpen 112 1433 0 714 21 0 21 21 0 8 0 pfrke_plain 168 4 0 4 1 0 1 1 0 8 1 pfrktable 1344 552 0 543 3 2 1 2 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 20 0 18 1 0 1 1 0 8 0 pfstkey 112 30 0 28 1 0 1 1 0 8 0 pfstate 320 24 0 22 2 1 1 2 0 8 0 pfrule 1360 1084 0 1003 8 1 7 7 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 3036 0 2690 40 11 29 32 0 8 2 art_table 32 3037 0 2690 5 0 5 5 0 8 1 art_node 16 722 0 651 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 7 1 0 1 1 0 8 0 semupl 112 6 0 6 2 2 0 1 0 8 0 semapl 112 1078 0 1068 1 0 1 1 0 8 0 shmpl 112 133 0 5 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 16300 0 14822 93 0 93 93 0 8 0 ffsino 272 16300 0 14822 99 0 99 99 0 8 0 nchpl 144 31434 0 29808 63 0 63 63 0 8 0 rtmask 32 4 0 4 1 0 1 1 0 8 1 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 121855 0 121855 8 7 1 2 0 8 1 percpumem 16 540 0 499 1 0 1 1 0 8 0 vcpupl 2048 60 0 0 8 0 8 8 0 8 0 vmpool 560 81 0 21 5 0 5 5 0 8 0 pfiaddrpl 120 162 0 155 1 0 1 1 0 8 0 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 93389 0 93389 45 43 2 8 0 8 2 plimitpl 152 1245 0 1230 1 0 1 1 0 8 0 sigapl 424 11962 0 11916 8 0 8 8 0 8 0 futexpl 64 99323 0 99316 5 4 1 1 0 8 0 knotepl 120 467 0 0 8 1 7 8 0 8 0 kqueuepl 216 3088 0 3079 57 54 3 5 0 8 2 pipepl 336 2573 0 2543 75 72 3 13 0 8 0 fdescpl 496 11880 0 11849 6 2 4 5 0 8 0 filepl 152 82719 0 82470 134 120 14 21 0 8 4 lockfpl 104 3663 0 3661 8 7 1 2 0 8 0 lockfspl 48 916 0 914 1 0 1 1 0 8 0 sessionpl 144 68 0 51 1 0 1 1 0 8 0 pgrppl 48 81 0 64 1 0 1 1 0 8 0 ucredpl 96 11561 0 11547 1 0 1 1 0 8 0 zombiepl 144 11916 0 11916 1 0 1 1 0 8 1 processpl 1064 11962 0 11916 5 0 5 5 0 8 0 procpl 672 33797 0 33732 15 8 7 9 0 8 0 srpgc 96 60 0 60 9 8 1 1 0 8 1 sosppl 168 67 0 67 14 14 0 1 0 8 0 sockpl 480 16005 0 15977 343 331 12 34 0 8 8 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 23 0 0 3 1 2 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 20 0 0 2 0 2 2 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 3 0 3 3 0 8 0 mcl2k2 2112 17 0 0 2 0 2 2 0 8 0 mcl2k 2048 406 0 0 30 5 25 27 0 8 0 mtagpl 96 871 0 0 17 1 16 17 0 8 0 mbufpl 256 1443 0 0 87 0 87 87 0 8 0 bufpl 288 22547 0 16211 453 0 453 453 0 8 0 anonpl 24 3382867 0 3362038 237 107 130 152 0 186 0 amapchunkpl 152 366651 0 365676 115 77 38 50 0 158 0 amappl16 200 32368 0 31704 141 103 38 48 0 8 0 amappl15 192 846 0 839 1 0 1 1 0 8 0 amappl14 184 1208 0 1202 1 0 1 1 0 8 0 amappl13 176 1102 0 1101 1 0 1 1 0 8 0 amappl12 168 963 0 961 3 2 1 1 0 8 0 amappl11 160 3357 0 3338 4 3 1 2 0 8 0 amappl10 152 2116 0 2104 1 0 1 1 0 8 0 amappl9 144 972 0 969 1 0 1 1 0 8 0 amappl8 136 3371 0 3247 6 1 5 5 0 8 0 amappl7 128 2051 0 2037 1 0 1 1 0 8 0 amappl6 120 852 0 819 5 4 1 2 0 8 0 amappl5 112 12510 0 12484 1 0 1 1 0 8 0 amappl4 104 6434 0 6398 2 0 2 2 0 8 0 amappl3 96 1858 0 1846 1 0 1 1 0 8 0 amappl2 88 2495 0 2443 3 1 2 3 0 8 0 amappl1 80 219145 0 218517 19 5 14 19 0 8 0 amappl 88 147310 0 146956 10 1 9 9 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 72 135 0 5 3 0 3 3 0 8 0 uaddrrnd 24 11961 0 11870 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 11961 0 11870 1 0 1 1 0 8 0 vmmpekpl 168 91675 0 91607 4 0 4 4 0 8 0 vmmpepl 168 1098022 0 1095031 268 130 138 149 0 357 0 vmsppl 368 11960 0 11870 9 0 9 9 0 8 0 rwobjpl 56 269237 0 261350 129 17 112 114 0 8 0 pdppl 4096 23929 0 23800 589 460 129 129 0 8 0 pvpl 32 5743242 0 5717512 445 234 211 266 0 265 2 pmappl 248 11960 0 11870 7 1 6 6 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1642 0 675 28 0 28 28 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825739a5) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825e91ae,ffffffff82632dac,131,ffffffff825fdeb9) at __assert+0x25 sys/kern/subr_prf.c:161 tun_clone_destroy(ffff800000ccf800) at tun_clone_destroy+0x278 sys/net/if_tun.c:305 if_clone_destroy(ffff80002e359d00) at if_clone_destroy+0x132 sys/net/if.c:1218 soo_ioctl(fffffd806604d860,80206979,ffff80002e359d00,ffff8000ffff4000) at soo_ioctl+0x26c sys_ioctl(ffff8000ffff4000,ffff80002e359e18,ffff80002e359e70) at sys_ioctl+0x4a2 syscall(ffff80002e359ee0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e359ee0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcb21f157840, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020ce8ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:577 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:148 __mp_lock(ffffffff82a3d2a0) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a3d2a0) at __mp_lock+0x133 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82a3d2a0,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x3d3 sys/kern/sched_bsd.c:416 sleep_finish(ffff800028d22120,1) at sleep_finish+0x1b2 sys/kern/kern_synch.c:433 rwsleep(ffff80002e364a88,ffffffff829a60a0,120,ffffffff8256fa81,0) at rwsleep+0xd5 sys/kern/kern_synch.c:313 futex_wait(1a285bd6150,1,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff80002e364a88,ffff800028d222b0,ffff800028d22310) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff800028d22380) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800028d22380) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1a2218c0470, count: 2 ddb{1}> trace x86_ipi_db(ffff800020ce8ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:577 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:148 __mp_lock(ffffffff82a3d2a0) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a3d2a0) at __mp_lock+0x133 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82a3d2a0,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x3d3 sys/kern/sched_bsd.c:416 sleep_finish(ffff800028d22120,1) at sleep_finish+0x1b2 sys/kern/kern_synch.c:433 rwsleep(ffff80002e364a88,ffffffff829a60a0,120,ffffffff8256fa81,0) at rwsleep+0xd5 sys/kern/kern_synch.c:313 futex_wait(1a285bd6150,1,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff80002e364a88,ffff800028d222b0,ffff800028d22310) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff800028d22380) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800028d22380) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1a2218c0470, count: -13