panic: sbdrop Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 233657 10717 0 0 0x4000080 1 syz-executor.1 * 69135 38192 0 0x14000 0x200 0 softnet db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff822206da) at panic+0x15c sys/kern/subr_prf.c:207 sbdrop(fffffd806eb41968,fffffd806eb41a60,634) at sbdrop+0x3c6 sys/kern/uipc_socket2.c:953 tcp_input(ffff800020e39318,ffff800020e39324,6,2) at tcp_input+0x3d76 sys/netinet/tcp_input.c:1725 ip_deliver(ffff800020e39318,ffff800020e39324,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020e39318,ffff800020e39324,ffff800020e18750,0) at ip_ours+0x412 ip_input_if(ffff800020e39318,ffff800020e39324,4,0,ffff80000017b2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017b2a8,fffffd807f01e600) at ipv4_input+0x48 sys/netinet/ip_input.c:215 ether_input(ffff80000017b2a8,fffffd807f01e600,0) at ether_input+0x345 sys/net/if_ethersubr.c:461 if_input_process(ffff80000017b2a8,ffff800020e39448) at if_input_process+0x10b if_ih_input sys/net/if.c:908 [inline] if_input_process(ffff80000017b2a8,ffff800020e39448) at if_input_process+0x10b sys/net/if.c:942 ifiq_process(ffff80000017b6a0) at ifiq_process+0x80 sys/net/ifq.c:646 taskq_thread(ffff80000002b080) at taskq_thread+0x9c sys/kern/kern_task.c:369 end trace frame: 0x0, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic sbdrop ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff822206da) at panic+0x15c sys/kern/subr_prf.c:207 sbdrop(fffffd806eb41968,fffffd806eb41a60,634) at sbdrop+0x3c6 sys/kern/uipc_socket2.c:953 tcp_input(ffff800020e39318,ffff800020e39324,6,2) at tcp_input+0x3d76 sys/netinet/tcp_input.c:1725 ip_deliver(ffff800020e39318,ffff800020e39324,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020e39318,ffff800020e39324,ffff800020e18750,0) at ip_ours+0x412 ip_input_if(ffff800020e39318,ffff800020e39324,4,0,ffff80000017b2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017b2a8,fffffd807f01e600) at ipv4_input+0x48 sys/netinet/ip_input.c:215 ether_input(ffff80000017b2a8,fffffd807f01e600,0) at ether_input+0x345 sys/net/if_ethersubr.c:461 if_input_process(ffff80000017b2a8,ffff800020e39448) at if_input_process+0x10b if_ih_input sys/net/if.c:908 [inline] if_input_process(ffff80000017b2a8,ffff800020e39448) at if_input_process+0x10b sys/net/if.c:942 ifiq_process(ffff80000017b6a0) at ifiq_process+0x80 sys/net/ifq.c:646 taskq_thread(ffff80000002b080) at taskq_thread+0x9c sys/kern/kern_task.c:369 end trace frame: 0x0, count: -12 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800020e38ea0 rbx 0xffff800020e38f50 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff8159948f kprintf+0x16f r9 0x1 r10 0x2 r11 0xc0fb9a6377eb9c1e r12 0x3000000008 r13 0xffff800020e38eb0 r14 0x100 r15 0x1 rip 0xffffffff81f91828 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020e38e90 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (softnet) pid=69135 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020e189c0,0xffff800020e18280 process=0xffff800020e1a3d8 user=0xffff800020e34000, vmspace=0xffffffff8265bd40 estcpu=0, cpticks=0, pctcpu=0.87 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 10717 320020 4387 0 2 0 syz-executor.1 10717 316651 4387 0 3 0x4000080 fsleep syz-executor.1 10717 233657 4387 0 7 0x4000080 syz-executor.1 96855 113564 0 0 3 0x14200 bored sosplice 4387 42 66418 0 3 0x82 nanosleep syz-executor.1 10125 261155 66418 0 3 0x82 nanosleep syz-executor.0 66418 88364 24127 0 3 0x82 nanosleep syz-fuzzer 66418 342126 24127 0 3 0x4000082 nanosleep syz-fuzzer 66418 197293 24127 0 3 0x4000082 thrsleep syz-fuzzer 66418 338762 24127 0 3 0x4000082 thrsleep syz-fuzzer 66418 121767 24127 0 3 0x4000082 thrsleep syz-fuzzer 66418 445034 24127 0 3 0x4000082 thrsleep syz-fuzzer 66418 218092 24127 0 3 0x4000082 thrsleep syz-fuzzer 66418 314730 24127 0 3 0x4000082 thrsleep syz-fuzzer 66418 127795 24127 0 3 0x4000082 thrsleep syz-fuzzer 66418 258295 24127 0 3 0x4000082 kqread syz-fuzzer 24127 137397 35433 0 3 0x10008a pause ksh 35433 29102 54926 0 3 0x92 select sshd 1426 296893 1 0 3 0x100083 ttyin getty 54926 1550 1 0 3 0x80 select sshd 42300 445586 45725 74 3 0x100092 bpf pflogd 45725 149637 1 0 3 0x80 netio pflogd 18625 115283 18648 73 3 0x100090 kqread syslogd 18648 210715 1 0 3 0x100082 netio syslogd 6281 44546 1 77 3 0x100090 poll dhclient 76672 331359 1 0 3 0x80 poll dhclient 83584 517120 0 0 3 0x14200 bored smr 10400 452113 0 0 3 0x14200 pgzero zerothread 23516 253655 0 0 3 0x14200 aiodoned aiodoned 97249 464667 0 0 3 0x14200 syncer update 29145 246021 0 0 3 0x14200 cleaner cleaner 22001 391543 0 0 3 0x14200 reaper reaper 13808 20328 0 0 3 0x14200 pgdaemon pagedaemon 47509 159333 0 0 3 0x14200 bored crynlk 75559 76126 0 0 3 0x14200 bored crypto 29901 417560 0 0 3 0x40014200 acpi0 acpi0 63476 185379 0 0 3 0x40014200 idle1 *38192 69135 0 0 7 0x14200 softnet 90404 340836 0 0 3 0x14200 bored systqmp 97075 38040 0 0 3 0x14200 bored systq 49253 163045 0 0 3 0x40014200 bored softclock 57738 412900 0 0 3 0x40014200 idle0 1 491521 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 10717 (syz-executor.1) thread 0xffff800020ec7398 (233657) exclusive rrwlock inode r = 0 (0xfffffd807ecc5d58) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vget+0x1c8 sys/kern/vfs_subr.c:671 #6 cache_lookup+0x2bb sys/kern/vfs_cache.c:224 #7 ufs_lookup+0x1bc sys/ufs/ufs/ufs_lookup.c:162 #8 VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90 #9 vfs_lookup+0x7a6 sys/kern/vfs_lookup.c:568 #10 namei+0x63c sys/kern/vfs_lookup.c:249 #11 vn_open+0x117 sys/kern/vfs_vnops.c:146 #12 doopenat+0x28b sys/kern/vfs_syscalls.c:1141 #13 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #14 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8269e118) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570 #2 Xsyscall+0x128 Process 38192 (softnet) thread 0xffff800020e18750 (69135) exclusive rwlock netlock r = 0 (0xffffffff8252a498) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 if_input_process+0x85 sys/net/if.c:941 #2 ifiq_process+0x80 sys/net/ifq.c:646 #3 taskq_thread+0x9c sys/kern/kern_task.c:369 #4 proc_trampoline+0x1c shared rwlock softnet r = 0 (0xffff80000002b0e0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 taskq_thread+0x8f sys/kern/kern_task.c:368 #2 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9547 7123K 7124K 78643K 11150 0 pcb 13 8K 8K 78643K 45 0 rtable 114 6K 6K 78643K 282 0 ifaddr 67 15K 15K 78643K 95 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 51 0 ioctlops 0 0K 4K 78643K 1497 0 iov 0 0K 32K 78643K 21 0 mount 1 1K 1K 78643K 1 0 vnodes 1226 77K 77K 78643K 1362 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 11 1K 1K 78643K 16 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 175 0 proc 61 63K 95K 78643K 446 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 10 0 in_multi 52 2K 3K 78643K 89 0 ether_multi 1 0K 0K 78643K 8 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 216 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 127 31K 31K 78643K 1517 0 UVM aobj 5 2K 2K 78643K 6 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 35 0 NDP 8 0K 0K 78643K 20 0 temp 90 3041K 3105K 78643K 2494 0 kqueue 3 4K 4K 78643K 3 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 arp 64 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 27 0 25 1 0 1 1 0 8 0 rtentry 112 62 0 20 2 0 2 2 0 8 0 unpcb 120 69 0 59 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 970 0 970 1 1 0 1 0 8 0 tcpcb 544 68 0 64 1 0 1 1 0 8 0 inpcb 280 315 0 306 2 0 2 2 0 8 1 nd6 48 10 0 6 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 ppxss 1128 1 0 1 1 0 1 1 0 8 1 pfstscr 40 4 0 2 1 0 1 1 0 8 0 pffrag 232 1 0 1 1 0 1 1 0 482 1 pffrnode 88 1 0 1 1 0 1 1 0 8 1 pffrent 40 3 0 3 1 0 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 7 0 2 1 0 1 1 0 8 0 pfstitem 24 35 0 3 1 0 1 1 0 8 0 pfstkey 112 37 0 5 1 0 1 1 0 8 0 pfstate 328 35 0 3 3 0 3 3 0 8 0 pfrule 1360 26 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 290 0 112 13 0 13 13 0 8 0 art_table 32 292 0 112 2 0 2 2 0 8 0 art_node 16 61 0 22 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 15 1 0 1 1 0 8 0 semupl 112 4 0 4 1 0 1 1 0 8 1 semapl 112 12 0 3 1 0 1 1 0 8 0 shmpl 112 4 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1617 0 210 89 0 89 89 0 8 0 ffsino 272 1617 0 210 94 0 94 94 0 8 0 nchpl 144 2046 0 436 60 0 60 60 0 8 0 uvmvnodes 72 1783 0 0 33 0 33 33 0 8 0 vnodes 208 1783 0 0 94 0 94 94 0 8 0 namei 1024 5509 0 5509 1 0 1 1 0 8 1 percpumem 16 36 0 4 1 0 1 1 0 8 0 vcpupl 1984 1 0 0 1 0 1 1 0 8 0 vmpool 560 1 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 3 0 0 1 0 1 1 0 8 0 scxspl 192 5427 0 5427 8 1 7 7 0 8 7 plimitpl 152 32 0 24 1 0 1 1 0 8 0 sigapl 424 391 0 359 4 0 4 4 0 8 0 futexpl 56 2506 0 2505 1 0 1 1 0 8 0 knotepl 112 61 0 42 1 0 1 1 0 8 0 kqueuepl 144 17 0 14 1 0 1 1 0 8 0 pipelkpl 48 107 0 97 1 0 1 1 0 8 0 pipepl 120 214 0 195 1 0 1 1 0 8 0 fdescpl 496 375 0 359 3 0 3 3 0 8 0 filepl 152 2117 0 2012 5 0 5 5 0 8 0 lockfpl 104 43 0 42 1 0 1 1 0 8 0 lockfspl 48 15 0 14 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 176 0 167 1 0 1 1 0 8 0 zombiepl 144 359 0 358 1 0 1 1 0 8 0 processpl 984 391 0 358 5 0 5 5 0 8 0 procpl 624 729 0 685 4 0 4 4 0 8 0 sosppl 128 3 0 3 1 0 1 1 0 8 1 sockpl 400 412 0 391 4 0 4 4 0 8 1 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 196 0 0 24 0 24 24 0 8 0 mtagpl 80 18 0 0 1 0 1 1 0 8 0 mbufpl 256 258 0 0 15 0 15 15 0 8 0 bufpl 280 3525 0 133 243 0 243 243 0 8 0 anonpl 16 49387 0 33805 65 2 63 64 0 124 0 amapchunkpl 152 1864 0 1711 9 2 7 9 0 158 0 amappl16 192 1624 0 799 42 0 42 42 0 8 0 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 33 0 24 1 0 1 1 0 8 0 amappl13 168 38 0 33 1 0 1 1 0 8 0 amappl12 160 19 0 18 2 1 1 1 0 8 0 amappl11 152 134 0 118 1 0 1 1 0 8 0 amappl10 144 83 0 74 1 0 1 1 0 8 0 amappl9 136 385 0 384 1 0 1 1 0 8 0 amappl8 128 365 0 328 2 0 2 2 0 8 0 amappl7 120 179 0 166 1 0 1 1 0 8 0 amappl6 112 103 0 99 1 0 1 1 0 8 0 amappl5 104 276 0 259 1 0 1 1 0 8 0 amappl4 96 493 0 462 1 0 1 1 0 8 0 amappl3 88 109 0 102 1 0 1 1 0 8 0 amappl2 80 2021 0 1950 2 0 2 2 0 8 0 amappl1 72 17975 0 17521 23 13 10 18 0 8 0 amappl 80 986 0 939 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 5 0 1 1 0 1 1 0 8 0 uaddrrnd 24 376 0 359 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 376 0 359 1 0 1 1 0 8 0 vmmpekpl 168 6847 0 6815 2 0 2 2 0 8 0 vmmpepl 168 52357 0 50348 113 7 106 110 0 357 14 vmsppl 368 375 0 359 2 0 2 2 0 8 0 pdppl 4096 760 0 719 6 0 6 6 0 8 0 pvpl 32 165185 0 146464 158 1 157 158 0 265 4 pmappl 232 375 0 359 3 1 2 2 0 8 1 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 265 0 3 8 0 8 8 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:398 panic(ffffffff822206da) at panic+0x15c sys/kern/subr_prf.c:207 sbdrop(fffffd806eb41968,fffffd806eb41a60,634) at sbdrop+0x3c6 sys/kern/uipc_socket2.c:953 tcp_input(ffff800020e39318,ffff800020e39324,6,2) at tcp_input+0x3d76 sys/netinet/tcp_input.c:1725 ip_deliver(ffff800020e39318,ffff800020e39324,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020e39318,ffff800020e39324,ffff800020e18750,0) at ip_ours+0x412 ip_input_if(ffff800020e39318,ffff800020e39324,4,0,ffff80000017b2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017b2a8,fffffd807f01e600) at ipv4_input+0x48 sys/netinet/ip_input.c:215 ether_input(ffff80000017b2a8,fffffd807f01e600,0) at ether_input+0x345 sys/net/if_ethersubr.c:461 if_input_process(ffff80000017b2a8,ffff800020e39448) at if_input_process+0x10b if_ih_input sys/net/if.c:908 [inline] if_input_process(ffff80000017b2a8,ffff800020e39448) at if_input_process+0x10b sys/net/if.c:942 ifiq_process(ffff80000017b6a0) at ifiq_process+0x80 sys/net/ifq.c:646 taskq_thread(ffff80000002b080) at taskq_thread+0x9c sys/kern/kern_task.c:369 end trace frame: 0x0, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff8269df10) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8269df10) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff8269df10,2) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800021f91080,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800021f91080,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800021f91080,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 rwsleep(ffff800020ec7398,ffffffff8248ade0,120,ffffffff821f4352,0) at rwsleep+0x11b sys/kern/kern_synch.c:313 futex_wait(3a0c366a2a0,2,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:254 sys_futex(ffff800020ec7398,ffff800021f91220,ffff800021f91270) at sys_futex+0x114 sys/kern/sys_futex.c:110 syscall(ffff800021f912f0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f912f0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3a0fc2235a0, count: 2 ddb{1}> trace x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff8269df10) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8269df10) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff8269df10,2) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800021f91080,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800021f91080,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800021f91080,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 rwsleep(ffff800020ec7398,ffffffff8248ade0,120,ffffffff821f4352,0) at rwsleep+0x11b sys/kern/kern_synch.c:313 futex_wait(3a0c366a2a0,2,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:254 sys_futex(ffff800020ec7398,ffff800021f91220,ffff800021f91270) at sys_futex+0x114 sys/kern/sys_futex.c:110 syscall(ffff800021f912f0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f912f0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3a0fc2235a0, count: -13