login: panic: tcp_output: template len != hdrlen - optlen Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 257946 86931 0 0x2 0 1 syz-executor.0 *401547 77409 0 0x12 0 0 sshd db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8241f9f3) at panic+0x164 sys/kern/subr_prf.c:218 tcp_output(ffff800000ad7aa0) at tcp_output+0x2c4b tcp_setpersist sys/netinet/tcp_output.c:1130 [inline] tcp_output(ffff800000ad7aa0) at tcp_output+0x2c4b sys/netinet/tcp_output.c:333 tcp_usrreq(fffffd806eaf7c88,9,fffffd8069ba4b00,0,0,ffff800020e40d50) at tcp_usrreq+0xa55 sosend(fffffd806eaf7c88,0,ffff800020e04a98,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff800020e40d50,4,ffff800020e04a98,0,ffff800020e04b80) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e40d50,ffff800020e04b30,ffff800020e04b80) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e04c00) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e04c00) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc4110, 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 tcp_output: template len != hdrlen - optlen ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8241f9f3) at panic+0x164 sys/kern/subr_prf.c:218 tcp_output(ffff800000ad7aa0) at tcp_output+0x2c4b tcp_setpersist sys/netinet/tcp_output.c:1130 [inline] tcp_output(ffff800000ad7aa0) at tcp_output+0x2c4b sys/netinet/tcp_output.c:333 tcp_usrreq(fffffd806eaf7c88,9,fffffd8069ba4b00,0,0,ffff800020e40d50) at tcp_usrreq+0xa55 sosend(fffffd806eaf7c88,0,ffff800020e04a98,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff800020e40d50,4,ffff800020e04a98,0,ffff800020e04b80) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e40d50,ffff800020e04b30,ffff800020e04b80) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e04c00) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e04c00) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc4110, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800020e04600 rbx 0xffff800020e046b0 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff81cae1ef kprintf+0x16f r9 0x1 r10 0x2 r11 0xe8cd7cfb8f973b6e r12 0x3000000008 r13 0xffff800020e04610 r14 0x100 r15 0x1 rip 0xffffffff81a0eff8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020e045f0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (sshd) pid=401547 stat=onproc flags process=12 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020e3f760,0xffff800020e3f020 process=0xffff8000ffffef98 user=0xffff800020dff000, vmspace=0xfffffd806e9145c8 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 6365 475587 0 0 3 0x14200 bored sosplice 95396 474282 54667 0 2 0x2 syz-executor.1 86931 257946 54667 0 7 0x2 syz-executor.0 54667 412590 33122 0 3 0x82 thrsleep syz-fuzzer 54667 404368 33122 0 3 0x4000082 nanosleep syz-fuzzer 54667 465421 33122 0 2 0x4000002 syz-fuzzer 54667 413809 33122 0 3 0x4000082 kqread syz-fuzzer 54667 48187 33122 0 3 0x4000082 thrsleep syz-fuzzer 54667 330085 33122 0 3 0x4000082 thrsleep syz-fuzzer 54667 381333 33122 0 3 0x4000082 thrsleep syz-fuzzer 54667 36483 33122 0 3 0x4000082 thrsleep syz-fuzzer 33122 159272 77409 0 3 0x10008a pause ksh *77409 401547 49806 0 7 0x12 sshd 89199 379471 1 0 3 0x100083 ttyin getty 49806 436529 1 0 3 0x80 select sshd 18701 272963 99108 74 3 0x100092 bpf pflogd 99108 250005 1 0 3 0x80 netio pflogd 42128 296828 19882 73 3 0x100090 kqread syslogd 19882 509427 1 0 3 0x100082 netio syslogd 2795 20899 1 77 3 0x100090 poll dhclient 34206 300942 1 0 3 0x80 poll dhclient 53498 475534 0 0 3 0x14200 bored smr 69387 397612 0 0 3 0x14200 pgzero zerothread 90124 60359 0 0 3 0x14200 aiodoned aiodoned 96043 320990 0 0 3 0x14200 syncer update 59237 136597 0 0 3 0x14200 cleaner cleaner 75741 75436 0 0 3 0x14200 reaper reaper 56561 433156 0 0 3 0x14200 pgdaemon pagedaemon 7179 133787 0 0 3 0x14200 bored crynlk 75539 430345 0 0 3 0x14200 bored crypto 26655 421813 0 0 3 0x40014200 acpi0 acpi0 76029 252679 0 0 3 0x40014200 idle1 71349 414006 0 0 3 0x14200 bored softnet 31901 178262 0 0 3 0x14200 bored systqmp 19001 12316 0 0 3 0x14200 bored systq 59831 50276 0 0 3 0x40014200 bored softclock 95963 227018 0 0 3 0x40014200 idle0 1 330698 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 1: exclusive mutex namei r = 0 (0xffffffff828bf808) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_put+0x64 sys/kern/subr_pool.c:792 #4 namei+0x9f8 #5 vn_open+0x117 sys/kern/vfs_vnops.c:146 #6 doopenat+0x28b sys/kern/vfs_syscalls.c:1141 #7 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #7 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #8 Xsyscall+0x128 Process 86931 (syz-executor.0) thread 0xffff800020ddc4e8 (257946) exclusive rrwlock inode r = 0 (0xfffffd80793ae3c8) #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 (0xffffffff828c0930) #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 77409 (sshd) thread 0xffff800020e40d50 (401547) exclusive rwlock netlock r = 0 (0xffffffff82759528) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sosend+0x559 sys/kern/uipc_socket.c:543 #3 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #4 sys_write+0x83 sys/kern/sys_generic.c:285 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9478 6400K 6658K 78643K 10636 0 pcb 13 8K 8K 78643K 17 0 rtable 105 3K 3K 78643K 201 0 ifaddr 49 11K 11K 78643K 56 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 33K 78643K 43 0 ioctlops 0 0K 4K 78643K 1476 0 iov 0 0K 2K 78643K 2 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1239 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 12 0K 0K 78643K 22 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 4 9K 25K 78643K 73 0 proc 60 63K 95K 78643K 449 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 33 2K 2K 78643K 33 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 37 175K 175K 78643K 37 0 exec 0 0K 1K 78643K 207 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 147 24K 24K 78643K 1183 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 4 0 NDP 7 0K 0K 78643K 11 0 temp 81 3854K 3918K 78643K 2121 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 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 133 0 123 2 0 2 2 0 8 1 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 54 0 54 2 1 1 1 0 8 1 tcpcb 544 20 0 13 1 0 1 1 0 8 0 inpcb 296 92 0 84 2 0 2 2 0 8 1 nd6 48 6 0 0 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 11 0 0 1 0 1 1 0 8 0 pfstkey 112 11 0 0 1 0 1 1 0 8 0 pfstate 328 11 0 0 1 0 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 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 18 0 8 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1474 0 70 88 0 88 88 0 8 0 ffsino 272 1474 0 70 94 0 94 94 0 8 0 nchpl 144 1741 0 135 60 0 60 60 0 8 0 uvmvnodes 72 1531 0 0 28 0 28 28 0 8 0 vnodes 208 1531 0 0 81 0 81 81 0 8 0 namei 1024 4619 0 4618 1 0 1 1 0 8 0 percpumem 16 32 0 0 1 0 1 1 0 8 0 scxspl 192 4927 0 4926 2 1 1 2 0 8 0 plimitpl 152 21 0 13 1 0 1 1 0 8 0 sigapl 424 289 0 258 4 0 4 4 0 8 0 futexpl 56 703 0 703 1 0 1 1 0 8 1 knotepl 112 62 0 42 1 0 1 1 0 8 0 kqueuepl 144 6 0 4 1 0 1 1 0 8 0 pipepl 304 80 0 69 2 0 2 2 0 8 1 fdescpl 496 273 0 258 3 0 3 3 0 8 0 filepl 152 1455 0 1353 5 0 5 5 0 8 1 lockfpl 104 9 0 8 1 0 1 1 0 8 0 lockfspl 48 4 0 3 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 96 111 0 102 1 0 1 1 0 8 0 zombiepl 144 258 0 258 1 0 1 1 0 8 1 processpl 992 289 0 258 5 0 5 5 0 8 0 procpl 624 389 0 351 4 0 4 4 0 8 0 sosppl 128 2 0 2 1 0 1 1 0 8 1 sockpl 400 244 0 224 5 0 5 5 0 8 2 mcl8k 8192 1 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 156 0 0 19 0 19 19 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 172 0 0 11 0 11 11 0 8 0 bufpl 280 3350 0 127 231 0 231 231 0 8 0 anonpl 16 41951 0 24962 70 1 69 69 0 124 0 amapchunkpl 152 1413 0 1127 13 0 13 13 0 158 0 amappl16 192 1056 0 276 40 0 40 40 0 8 1 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 46 0 41 2 1 1 1 0 8 0 amappl13 168 28 0 25 1 0 1 1 0 8 0 amappl12 160 16 0 14 1 0 1 1 0 8 0 amappl11 152 74 0 58 1 0 1 1 0 8 0 amappl10 144 21 0 16 1 0 1 1 0 8 0 amappl9 136 375 0 372 1 0 1 1 0 8 0 amappl8 128 337 0 305 2 0 2 2 0 8 0 amappl7 120 115 0 103 1 0 1 1 0 8 0 amappl6 112 47 0 42 1 0 1 1 0 8 0 amappl5 104 150 0 136 1 0 1 1 0 8 0 amappl4 96 503 0 475 1 0 1 1 0 8 0 amappl3 88 135 0 127 1 0 1 1 0 8 0 amappl2 80 1246 0 1181 2 0 2 2 0 8 0 amappl1 72 16313 0 15887 23 8 15 18 0 8 5 amappl 80 675 0 600 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 273 0 258 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 273 0 258 1 0 1 1 0 8 0 vmmpekpl 168 6229 0 6198 2 0 2 2 0 8 0 vmmpepl 168 41243 0 39370 118 3 115 115 0 357 27 vmsppl 368 272 0 258 2 0 2 2 0 8 0 pdppl 4096 553 0 516 6 0 6 6 0 8 0 pvpl 32 145491 0 125466 167 0 167 167 0 265 4 pmappl 232 272 0 258 2 0 2 2 0 8 1 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 253 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(ffffffff8241f9f3) at panic+0x164 sys/kern/subr_prf.c:218 tcp_output(ffff800000ad7aa0) at tcp_output+0x2c4b tcp_setpersist sys/netinet/tcp_output.c:1130 [inline] tcp_output(ffff800000ad7aa0) at tcp_output+0x2c4b sys/netinet/tcp_output.c:333 tcp_usrreq(fffffd806eaf7c88,9,fffffd8069ba4b00,0,0,ffff800020e40d50) at tcp_usrreq+0xa55 sosend(fffffd806eaf7c88,0,ffff800020e04a98,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff800020e40d50,4,ffff800020e04a98,0,ffff800020e04b80) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e40d50,ffff800020e04b30,ffff800020e04b80) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e04c00) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e04c00) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc4110, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d70ff0) 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 witness_checkorder(ffffffff828c0930,9,0) at witness_checkorder+0x22 sys/kern/subr_witness.c:756 __mp_lock(ffffffff828c0728) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff828c0728) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff828c0728) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 __mp_acquire_count(ffffffff828c0728,1) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 tsleep(fffffd806fa728f0,11,ffffffff8247b5a0,0) at tsleep+0x19b biowait(fffffd806fa728f0) at biowait+0xa6 sys/kern/vfs_bio.c:1262 bwrite(fffffd806fa728f0) at bwrite+0x215 sys/kern/vfs_bio.c:771 ffs_update(fffffd80793ae330,1) at ffs_update+0x2c2 sys/ufs/ffs/ffs_inode.c:113 ufs_mkdir(ffff800020ed9d40) at ufs_mkdir+0x665 sys/ufs/ufs/ufs_vnops.c:1232 VOP_MKDIR(fffffd806826ac30,ffff800020ed9ea0,ffff800020ed9ef0,ffff800020ed9dd0) at VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:450 domkdirat(ffff800020ddc4e8,ffffff9c,7f7fffff5180,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3051 syscall(ffff800020eda070) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020eda070) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 end trace frame: 0xffff800020eda0f0, count: 0 ddb{1}> trace x86_ipi_db(ffff800020d70ff0) 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 witness_checkorder(ffffffff828c0930,9,0) at witness_checkorder+0x22 sys/kern/subr_witness.c:756 __mp_lock(ffffffff828c0728) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff828c0728) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff828c0728) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 __mp_acquire_count(ffffffff828c0728,1) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 tsleep(fffffd806fa728f0,11,ffffffff8247b5a0,0) at tsleep+0x19b biowait(fffffd806fa728f0) at biowait+0xa6 sys/kern/vfs_bio.c:1262 bwrite(fffffd806fa728f0) at bwrite+0x215 sys/kern/vfs_bio.c:771 ffs_update(fffffd80793ae330,1) at ffs_update+0x2c2 sys/ufs/ffs/ffs_inode.c:113 ufs_mkdir(ffff800020ed9d40) at ufs_mkdir+0x665 sys/ufs/ufs/ufs_vnops.c:1232 VOP_MKDIR(fffffd806826ac30,ffff800020ed9ea0,ffff800020ed9ef0,ffff800020ed9dd0) at VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:450 domkdirat(ffff800020ddc4e8,ffffff9c,7f7fffff5180,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3051 syscall(ffff800020eda070) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020eda070) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff51f0, count: -15