kernel: double fault trap, code=0 Stopped at __sanitizer_cov_trace_cmp4+0x11: pushq %r11 ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace __sanitizer_cov_trace_cmp4(d,d) at __sanitizer_cov_trace_cmp4+0x11 kd_curproc sys/dev/kcov.c:397 [inline] __sanitizer_cov_trace_cmp4(d,d) at __sanitizer_cov_trace_cmp4+0x11 trace_cmp sys/dev/kcov.c:104 [inline] __sanitizer_cov_trace_cmp4(d,d) at __sanitizer_cov_trace_cmp4+0x11 sys/dev/kcov.c:135 splassert_check(d,ffffffff824449a3) at splassert_check+0x52 sys/arch/amd64/amd64/machdep.c:1900 witness_unlock(ffffffff82920c28,8) at witness_unlock+0x31d witness_lock_stack_free sys/kern/subr_witness.c:1818 [inline] witness_unlock(ffffffff82920c28,8) at witness_unlock+0x31d sys/kern/subr_witness.c:1326 mtx_leave(ffffffff82920c18) at mtx_leave+0x97 sys/kern/kern_lock.c:364 pool_cache_get(ffffffff82920b30) at pool_cache_get+0x195 pool_cache_list_alloc sys/kern/subr_pool.c:1808 [inline] pool_cache_get(ffffffff82920b30) at pool_cache_get+0x195 sys/kern/subr_pool.c:1879 pool_get(ffffffff82920b30,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_copym(fffffd8070561500,0,3b9aca00,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd8070561500,0,3b9aca00,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 ether_resolve(ffff80000017c2a8,fffffd8070561500,fffffd806f6553f8,fffffd806f49f000,ffff8000252b93d8) at ether_resolve+0x49f sys/net/if_ethersubr.c:238 ether_output(ffff80000017c2a8,fffffd8070561500,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd8070561500,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd8070561500,0,fffffd806f6553e8,0,0,fffffd806f655378) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f655378,fffffd8070561500,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 somove(fffffd806ebf4c88,2) at somove+0xf61 sys/kern/uipc_socket.c:1616 sorwakeup(fffffd806ebf4c88) at sorwakeup+0x79 sys/kern/uipc_socket.c:1665 udp_sbappend(fffffd806f655378,fffffd8070560e00,fffffd8070560eac,0,14,fffffd8070560ec0) at udp_sbappend+0x397 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000252b9a78,ffff8000252b9a84,11,2) at udp_input+0x1323 ip_deliver(ffff8000252b9a78,ffff8000252b9a84,11,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff8000252b9a78,ffff8000252b9a84,8b74,0) at ip_ours+0x412 ip_input_if(ffff8000252b9a78,ffff8000252b9a84,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd807055fc00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd807055fc00,2) at if_input_local+0xf9 sys/net/if.c:769 ether_resolve(ffff80000017c2a8,fffffd8070561a00,fffffd806f6553f8,fffffd806f49f000,ffff8000252b9bc8) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd8070561a00,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd8070561a00,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd807b615900,0,fffffd806f6553e8,0,0,fffffd806f655378) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f655378,fffffd807b615900,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 somove(fffffd806ebf4c88,2) at somove+0xf61 sys/kern/uipc_socket.c:1616 sorwakeup(fffffd806ebf4c88) at sorwakeup+0x79 sys/kern/uipc_socket.c:1665 udp_sbappend(fffffd806f655378,fffffd8070561500,fffffd80705615e0,0,14,fffffd80705615f4) at udp_sbappend+0x397 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000252ba268,ffff8000252ba274,11,2) at udp_input+0x1323 ip_deliver(ffff8000252ba268,ffff8000252ba274,11,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff8000252ba268,ffff8000252ba274,6389,0) at ip_ours+0x412 ip_input_if(ffff8000252ba268,ffff8000252ba274,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd8070561600) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd8070561600,2) at if_input_local+0xf9 sys/net/if.c:769 ether_resolve(ffff80000017c2a8,fffffd807b615f00,fffffd806f6553f8,fffffd806f49f000,ffff8000252ba3b8) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd807b615f00,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd807b615f00,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd8065878300,0,fffffd806f6553e8,0,0,fffffd806f655378) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f655378,fffffd8065878300,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 somove(fffffd806ebf4c88,2) at somove+0xf61 sys/kern/uipc_socket.c:1616 sorwakeup(fffffd806ebf4c88) at sorwakeup+0x79 sys/kern/uipc_socket.c:1665 udp_sbappend(fffffd806f655378,fffffd807b615900,fffffd807b6159ac,0,14,fffffd807b6159c0) at udp_sbappend+0x397 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000252baa58,ffff8000252baa64,11,2) at udp_input+0x1323 ip_deliver(ffff8000252baa58,ffff8000252baa64,11,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff8000252baa58,ffff8000252baa64,50ea,0) at ip_ours+0x412 ip_input_if(ffff8000252baa58,ffff8000252baa64,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd807f00dc00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd807f00dc00,2) at if_input_local+0xf9 sys/net/if.c:769 ether_resolve(ffff80000017c2a8,fffffd8065878400,fffffd806f6553f8,fffffd806f49f000,ffff8000252baba8) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd8065878400,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd8065878400,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806f3e6a00,0,fffffd806f6553e8,0,0,fffffd806f655378) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f655378,fffffd806f3e6a00,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 somove(fffffd806ebf4c88,2) at somove+0xf61 sys/kern/uipc_socket.c:1616 sorwakeup(fffffd806ebf4c88) at sorwakeup+0x79 sys/kern/uipc_socket.c:1665 udp_sbappend(fffffd806f655378,fffffd8065878300,fffffd80658783e0,0,14,fffffd80658783f4) at udp_sbappend+0x397 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000252bb248,ffff8000252bb254,11,2) at udp_input+0x1323 ip_deliver(ffff8000252bb248,ffff8000252bb254,11,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff8000252bb248,ffff8000252bb254,2fc9,0) at ip_ours+0x412 ip_input_if(ffff8000252bb248,ffff8000252bb254,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd807b615200) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd807b615200,2) at if_input_local+0xf9 sys/net/if.c:769 ether_resolve(ffff80000017c2a8,fffffd8065878b00,fffffd806f6553f8,fffffd806f49f000,ffff8000252bb398) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd8065878b00,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd8065878b00,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806d840d00,0,fffffd806f6553e8,0,0,fffffd806f655378) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f655378,fffffd806f31f800,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 somove(fffffd806ebf4c88,2) at somove+0xf61 sys/kern/uipc_socket.c:1616 sorwakeup(fffffd806ebf4c88) at sorwakeup+0x79 sys/kern/uipc_socket.c:1665 udp_sbappend(fffffd806f655378,fffffd806f3e6a00,fffffd806f3e6aac,0,14,fffffd806f3e6ac0) at udp_sbappend+0x397 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000252bba38,ffff8000252bba44,11,2) at udp_input+0x1323 ip_deliver(ffff8000252bba38,ffff8000252bba44,11,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff8000252bba38,ffff8000252bba44,1e7c,0) at ip_ours+0x412 ip_input_if(ffff8000252bba38,ffff8000252bba44,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd806b3d1200) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd806b3d1200,2) at if_input_local+0xf9 sys/net/if.c:769 ether_resolve(ffff80000017c2a8,fffffd806db1c200,fffffd806f6553f8,fffffd806f49f000,ffff8000252bbb88) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd806db1c200,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd806db1c200,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806a7ba800,0,fffffd806f6553e8,0,0,fffffd806f655378) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f655378,fffffd806a7ba800,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 somove(fffffd806ebf4c88,2) at somove+0xf61 sys/kern/uipc_socket.c:1616 sorwakeup(fffffd806ebf4c88) at sorwakeup+0x79 sys/kern/uipc_socket.c:1665 udp_sbappend(fffffd806f655378,fffffd806f31f800,fffffd80679a4060,0,14,fffffd80679a4074) at udp_sbappend+0x397 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000252bc228,ffff8000252bc234,11,2) at udp_input+0x1323 ip_deliver(ffff8000252bc228,ffff8000252bc234,11,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff8000252bc228,ffff8000252bc234,6db,0) at ip_ours+0x412 ip_input_if(ffff8000252bc228,ffff8000252bc234,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd806db1ce00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd806db1ce00,2) at if_input_local+0xf9 sys/net/if.c:769 ether_resolve(ffff80000017c2a8,fffffd806a8ad200,fffffd806f6553f8,fffffd806f49f000,ffff8000252bc378) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd806a8ad200,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd806a8ad200,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806b3d1000,0,fffffd806f6553e8,0,0,fffffd806f655378) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f655378,fffffd806b3d1000,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 sosend(fffffd806ebf4c88,0,ffff8000252bc6a0,0,0,0) at sosend+0x671 sys/kern/uipc_socket.c:555 sendit(ffff800020e38ae8,7,ffff8000252bc780,0,ffff8000252bc860) at sendit+0x52b sys/kern/uipc_syscalls.c:657 sys_sendto(ffff800020e38ae8,ffff8000252bc818,ffff8000252bc860) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 syscall(ffff8000252bc8e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000252bc8e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e3df005e0, count: -94 ddb{0}> show registers rdi 0xd rsi 0xd rbp 0xffff8000252b9010 rbx 0x3 rdx 0x949d __ALIGN_SIZE+0x849d rcx 0xffff8000232b1000 rax 0xffffffff82796ff0 cpu_info_full_primary+0x1ff0 r8 0xffff8000252b93d8 r9 0x1 r10 0x5 r11 0xb0a446cc1a0b4913 r12 0 r13 0xd r14 0xffffffff824449a3 cmd680_setup_channel.udma_tbl+0x212c r15 0xd rip 0xffffffff8176dd51 __sanitizer_cov_trace_cmp4+0x11 cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff8000252b9000 ss 0x10 __sanitizer_cov_trace_cmp4+0x11: pushq %r11 ddb{0}> show proc PROC (syz-executor.1) pid=180153 stat=onproc flags process=10 proc=4000000 pri=32, usrpri=60, nice=20 forw=0xffffffffffffffff, list=0xffff800020e37288,0xffff800020e379e8 process=0xffff8000ffffc7e0 user=0xffff8000252b7000, vmspace=0xfffffd807effe2e0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 45797 103974 3855 32767 7 0x10 syz-executor.1 45797 329041 3855 32767 2 0x4000010 syz-executor.1 *45797 180153 3855 32767 7 0x4000010 syz-executor.1 45797 166842 3855 32767 3 0x4000090 fsleep syz-executor.1 3855 77368 78300 32767 3 0x90 nanosleep syz-executor.1 78300 147639 96279 0 3 0x82 wait syz-executor.1 92990 243728 38862 32767 3 0x90 piperd syz-executor.0 38862 187108 96279 0 3 0x82 wait syz-executor.0 54616 386893 0 0 3 0x14200 bored sosplice 96279 107743 75475 0 3 0x82 thrsleep syz-fuzzer 96279 359756 75475 0 3 0x4000082 nanosleep syz-fuzzer 96279 233811 75475 0 3 0x4000082 thrsleep syz-fuzzer 96279 488417 75475 0 3 0x4000082 kqread syz-fuzzer 96279 404464 75475 0 3 0x4000082 thrsleep syz-fuzzer 96279 148399 75475 0 3 0x4000082 thrsleep syz-fuzzer 96279 272231 75475 0 3 0x4000082 thrsleep syz-fuzzer 96279 64619 75475 0 2 0x4000002 syz-fuzzer 75475 289302 51033 0 3 0x10008a pause ksh 51033 367691 42184 0 3 0x92 select sshd 42310 439215 1 0 3 0x100083 ttyin getty 42184 281450 1 0 3 0x80 select sshd 1700 237077 89490 73 3 0x100090 kqread syslogd 89490 53548 1 0 3 0x100082 netio syslogd 72115 113666 1 77 3 0x100090 poll dhclient 47832 343211 1 0 3 0x80 poll dhclient 98355 433138 0 0 3 0x14200 bored smr 8125 369463 0 0 2 0x14200 zerothread 96532 319559 0 0 3 0x14200 aiodoned aiodoned 55501 258569 0 0 3 0x14200 syncer update 49421 445221 0 0 3 0x14200 cleaner cleaner 29531 463819 0 0 3 0x14200 reaper reaper 16697 2122 0 0 3 0x14200 pgdaemon pagedaemon 20621 322150 0 0 3 0x14200 bored crynlk 3042 54204 0 0 3 0x14200 bored crypto 16538 402153 0 0 3 0x40014200 acpi0 acpi0 81788 224347 0 0 3 0x40014200 idle1 37179 107489 0 0 2 0x14200 softnet 48425 214077 0 0 3 0x14200 bored systqmp 71910 474005 0 0 3 0x14200 bored systq 53414 274273 0 0 3 0x40014200 bored softclock 94018 484836 0 0 3 0x40014200 idle0 1 189677 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex mbufpl r = 0 (0xffffffff82920c28) #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 pool_cache_get+0xa3 pl_enter_try sys/kern/subr_pool.c:109 [inline] #2 pool_cache_get+0xa3 pool_list_enter sys/kern/subr_pool.c:1789 [inline] #2 pool_cache_get+0xa3 pool_cache_list_alloc sys/kern/subr_pool.c:1806 [inline] #2 pool_cache_get+0xa3 sys/kern/subr_pool.c:1879 #3 pool_get+0x91 sys/kern/subr_pool.c:572 #4 m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] #4 m_copym+0x174 sys/kern/uipc_mbuf.c:667 #5 ether_resolve+0x49f sys/net/if_ethersubr.c:238 #6 ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] #6 ether_output+0x47 sys/net/if_ethersubr.c:350 #7 ip_output+0x12a2 sys/netinet/ip_output.c:509 #8 udp_output+0x5af sys/netinet/udp_usrreq.c:1017 #9 somove+0xf61 sys/kern/uipc_socket.c:1616 #10 sorwakeup+0x79 sys/kern/uipc_socket.c:1665 #11 udp_sbappend+0x397 sys/netinet/udp_usrreq.c:644 #12 udp_input+0x1323 #13 ip_deliver+0x353 sys/netinet/ip_input.c:668 #14 ip_ours+0x412 #15 ip_input_if+0x6ce #16 ipv4_input+0x48 sys/netinet/ip_input.c:215 #17 if_input_local+0xf9 sys/net/if.c:769 #18 ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 Process 45797 (syz-executor.1) thread 0xffff800020e38ae8 (180153) exclusive rwlock netlock r = 0 (0xffffffff82787c88) #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 sendit+0x52b sys/kern/uipc_syscalls.c:657 #4 sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 #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 exclusive mutex mbufpl r = 0 (0xffffffff82920c28) #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 pool_cache_get+0xa3 pl_enter_try sys/kern/subr_pool.c:109 [inline] #2 pool_cache_get+0xa3 pool_list_enter sys/kern/subr_pool.c:1789 [inline] #2 pool_cache_get+0xa3 pool_cache_list_alloc sys/kern/subr_pool.c:1806 [inline] #2 pool_cache_get+0xa3 sys/kern/subr_pool.c:1879 #3 pool_get+0x91 sys/kern/subr_pool.c:572 #4 m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] #4 m_copym+0x174 sys/kern/uipc_mbuf.c:667 #5 ether_resolve+0x49f sys/net/if_ethersubr.c:238 #6 ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] #6 ether_output+0x47 sys/net/if_ethersubr.c:350 #7 ip_output+0x12a2 sys/netinet/ip_output.c:509 #8 udp_output+0x5af sys/netinet/udp_usrreq.c:1017 #9 somove+0xf61 sys/kern/uipc_socket.c:1616 #10 sorwakeup+0x79 sys/kern/uipc_socket.c:1665 #11 udp_sbappend+0x397 sys/netinet/udp_usrreq.c:644 #12 udp_input+0x1323 #13 ip_deliver+0x353 sys/netinet/ip_input.c:668 #14 ip_ours+0x412 #15 ip_input_if+0x6ce #16 ipv4_input+0x48 sys/netinet/ip_input.c:215 #17 if_input_local+0xf9 sys/net/if.c:769 #18 ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9469 6331K 6331K 78643K 10634 0 pcb 13 8K 8K 78643K 13 0 rtable 111 3K 3K 78643K 1226 0 ifaddr 39 10K 10K 78643K 211 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 33K 78643K 91 0 ioctlops 0 0K 2K 78643K 78 0 iov 0 0K 24K 78643K 166 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 77K 77K 78643K 1926 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 22 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 921 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 7 21K 33K 78643K 2030 0 sigio 0 0K 0K 78643K 13 0 proc 48 50K 83K 78643K 1512 0 subproc 34 2K 2K 78643K 442 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 138 0 in_multi 33 2K 2K 78643K 300 0 ether_multi 1 0K 0K 78643K 2 0 mrt 0 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 67 307K 307K 78643K 67 0 exec 0 0K 1K 78643K 630 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 162 26K 41K 78643K 7958 0 UVM aobj 104 6K 6K 78643K 117 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 66 0 NDP 5 0K 0K 78643K 81 0 temp 102 3865K 3929K 78643K 8555 0 kqueue 3 4K 9K 78643K 63 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 58 0 52 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 150 0 148 1 0 1 1 0 8 0 rtentry 112 324 0 277 2 0 2 2 0 8 0 unpcb 120 969 0 961 1 0 1 1 0 8 0 syncache 264 15 0 15 7 7 0 1 0 8 0 tcpqe 32 2 0 2 2 2 0 1 0 8 0 tcpcb 544 463 0 457 5 4 1 2 0 8 0 ipq 40 15 0 15 5 4 1 1 0 8 1 ipqe 40 32 0 32 5 4 1 1 0 8 1 inpcb 296 1141 0 1131 17 16 1 2 0 8 0 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 48 89 0 80 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1339 0 1131 18 5 13 16 0 8 0 art_table 32 1340 0 1131 3 1 2 3 0 8 0 art_node 16 323 0 280 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 11 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 915 0 905 1 0 1 1 0 8 0 shmpl 112 114 0 13 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3984 0 2582 88 0 88 88 0 8 0 ffsino 272 3984 0 2582 94 0 94 94 0 8 0 nchpl 144 6913 0 5327 60 0 60 60 0 8 0 uvmvnodes 72 4435 0 0 81 0 81 81 0 8 0 vnodes 208 4435 0 0 234 0 234 234 0 8 0 namei 1024 25497 0 25497 36 35 1 1 0 8 1 percpumem 16 56 0 24 1 0 1 1 0 8 0 scxspl 192 19146 0 19146 27 26 1 7 0 8 1 plimitpl 152 220 0 211 1 0 1 1 0 8 0 sigapl 424 2146 0 2114 4 0 4 4 0 8 0 futexpl 56 24711 0 24710 37 36 1 1 0 8 0 knotepl 112 427 0 407 1 0 1 1 0 8 0 kqueuepl 144 293 0 287 1 0 1 1 0 8 0 pipepl 304 461 0 450 18 16 2 2 0 8 0 fdescpl 496 2130 0 2114 12 9 3 3 0 8 0 filepl 152 14101 0 13995 9 4 5 7 0 8 0 lockfpl 104 1070 0 1069 1 0 1 1 0 8 0 lockfspl 48 478 0 477 1 0 1 1 0 8 0 sessionpl 112 41 0 31 1 0 1 1 0 8 0 pgrppl 48 238 0 228 1 0 1 1 0 8 0 ucredpl 96 4572 0 4563 1 0 1 1 0 8 0 zombiepl 144 2114 0 2114 1 0 1 1 0 8 1 processpl 992 2146 0 2114 5 0 5 5 0 8 0 procpl 624 5720 0 5678 4 0 4 4 0 8 0 sosppl 128 33 0 32 11 10 1 1 0 8 0 sockpl 400 2289 0 2269 46 43 3 5 0 8 1 mcl64k 65536 47 0 0 4 1 3 3 0 8 0 mcl16k 16384 18 0 0 3 1 2 3 0 8 0 mcl12k 12288 26 0 0 2 0 2 2 0 8 0 mcl9k 9216 8 0 0 1 0 1 1 0 8 0 mcl8k 8192 12 0 0 2 0 2 2 0 8 0 mcl4k 4096 14 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 270 0 0 19 6 13 19 0 8 1 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 824 0 0 15 0 15 15 0 8 0 bufpl 280 7445 0 1209 446 0 446 446 0 8 0 anonpl 16 297042 0 287118 213 160 53 67 0 124 0 amapchunkpl 152 18212 0 17959 90 75 15 25 0 158 3 amappl16 192 11730 0 11239 230 203 27 38 0 8 2 amappl15 184 642 0 641 1 0 1 1 0 8 0 amappl14 176 294 0 291 1 0 1 1 0 8 0 amappl13 168 666 0 661 1 0 1 1 0 8 0 amappl12 160 430 0 421 1 0 1 1 0 8 0 amappl11 152 186 0 175 1 0 1 1 0 8 0 amappl10 144 187 0 183 1 0 1 1 0 8 0 amappl9 136 459 0 457 1 0 1 1 0 8 0 amappl8 128 896 0 848 3 1 2 2 0 8 0 amappl7 120 309 0 295 1 0 1 1 0 8 0 amappl6 112 85 0 78 1 0 1 1 0 8 0 amappl5 104 2162 0 2152 1 0 1 1 0 8 0 amappl4 96 1143 0 1114 1 0 1 1 0 8 0 amappl3 88 627 0 616 1 0 1 1 0 8 0 amappl2 80 15720 0 15658 2 0 2 2 0 8 0 amappl1 72 79698 0 79232 21 11 10 17 0 8 0 amappl 80 6431 0 6352 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 64 116 0 13 2 0 2 2 0 8 0 uaddrrnd 24 2130 0 2114 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2130 0 2114 1 0 1 1 0 8 0 vmmpekpl 168 19444 0 19414 2 0 2 2 0 8 0 vmmpepl 168 299123 0 297335 372 291 81 99 0 357 0 vmsppl 368 2129 0 2114 2 0 2 2 0 8 0 pdppl 4096 4267 0 4228 17 12 5 6 0 8 0 pvpl 32 777592 0 764413 526 396 130 170 0 265 3 pmappl 232 2129 0 2114 8 7 1 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 361 0 109 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace __sanitizer_cov_trace_cmp4(d,d) at __sanitizer_cov_trace_cmp4+0x11 kd_curproc sys/dev/kcov.c:397 [inline] __sanitizer_cov_trace_cmp4(d,d) at __sanitizer_cov_trace_cmp4+0x11 trace_cmp sys/dev/kcov.c:104 [inline] __sanitizer_cov_trace_cmp4(d,d) at __sanitizer_cov_trace_cmp4+0x11 sys/dev/kcov.c:135 splassert_check(d,ffffffff824449a3) at splassert_check+0x52 sys/arch/amd64/amd64/machdep.c:1900 witness_unlock(ffffffff82920c28,8) at witness_unlock+0x31d witness_lock_stack_free sys/kern/subr_witness.c:1818 [inline] witness_unlock(ffffffff82920c28,8) at witness_unlock+0x31d sys/kern/subr_witness.c:1326 mtx_leave(ffffffff82920c18) at mtx_leave+0x97 sys/kern/kern_lock.c:364 pool_cache_get(ffffffff82920b30) at pool_cache_get+0x195 pool_cache_list_alloc sys/kern/subr_pool.c:1808 [inline] pool_cache_get(ffffffff82920b30) at pool_cache_get+0x195 sys/kern/subr_pool.c:1879 pool_get(ffffffff82920b30,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_copym(fffffd8070561500,0,3b9aca00,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd8070561500,0,3b9aca00,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 ether_resolve(ffff80000017c2a8,fffffd8070561500,fffffd806f6553f8,fffffd806f49f000,ffff8000252b93d8) at ether_resolve+0x49f sys/net/if_ethersubr.c:238 ether_output(ffff80000017c2a8,fffffd8070561500,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd8070561500,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd8070561500,0,fffffd806f6553e8,0,0,fffffd806f655378) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f655378,fffffd8070561500,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 somove(fffffd806ebf4c88,2) at somove+0xf61 sys/kern/uipc_socket.c:1616 sorwakeup(fffffd806ebf4c88) at sorwakeup+0x79 sys/kern/uipc_socket.c:1665 udp_sbappend(fffffd806f655378,fffffd8070560e00,fffffd8070560eac,0,14,fffffd8070560ec0) at udp_sbappend+0x397 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000252b9a78,ffff8000252b9a84,11,2) at udp_input+0x1323 ip_deliver(ffff8000252b9a78,ffff8000252b9a84,11,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff8000252b9a78,ffff8000252b9a84,8b74,0) at ip_ours+0x412 ip_input_if(ffff8000252b9a78,ffff8000252b9a84,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd807055fc00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd807055fc00,2) at if_input_local+0xf9 sys/net/if.c:769 ether_resolve(ffff80000017c2a8,fffffd8070561a00,fffffd806f6553f8,fffffd806f49f000,ffff8000252b9bc8) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd8070561a00,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd8070561a00,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd807b615900,0,fffffd806f6553e8,0,0,fffffd806f655378) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f655378,fffffd807b615900,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 somove(fffffd806ebf4c88,2) at somove+0xf61 sys/kern/uipc_socket.c:1616 sorwakeup(fffffd806ebf4c88) at sorwakeup+0x79 sys/kern/uipc_socket.c:1665 udp_sbappend(fffffd806f655378,fffffd8070561500,fffffd80705615e0,0,14,fffffd80705615f4) at udp_sbappend+0x397 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000252ba268,ffff8000252ba274,11,2) at udp_input+0x1323 ip_deliver(ffff8000252ba268,ffff8000252ba274,11,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff8000252ba268,ffff8000252ba274,6389,0) at ip_ours+0x412 ip_input_if(ffff8000252ba268,ffff8000252ba274,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd8070561600) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd8070561600,2) at if_input_local+0xf9 sys/net/if.c:769 ether_resolve(ffff80000017c2a8,fffffd807b615f00,fffffd806f6553f8,fffffd806f49f000,ffff8000252ba3b8) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd807b615f00,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd807b615f00,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd8065878300,0,fffffd806f6553e8,0,0,fffffd806f655378) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f655378,fffffd8065878300,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 somove(fffffd806ebf4c88,2) at somove+0xf61 sys/kern/uipc_socket.c:1616 sorwakeup(fffffd806ebf4c88) at sorwakeup+0x79 sys/kern/uipc_socket.c:1665 udp_sbappend(fffffd806f655378,fffffd807b615900,fffffd807b6159ac,0,14,fffffd807b6159c0) at udp_sbappend+0x397 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000252baa58,ffff8000252baa64,11,2) at udp_input+0x1323 ip_deliver(ffff8000252baa58,ffff8000252baa64,11,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff8000252baa58,ffff8000252baa64,50ea,0) at ip_ours+0x412 ip_input_if(ffff8000252baa58,ffff8000252baa64,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd807f00dc00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd807f00dc00,2) at if_input_local+0xf9 sys/net/if.c:769 ether_resolve(ffff80000017c2a8,fffffd8065878400,fffffd806f6553f8,fffffd806f49f000,ffff8000252baba8) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd8065878400,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd8065878400,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806f3e6a00,0,fffffd806f6553e8,0,0,fffffd806f655378) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f655378,fffffd806f3e6a00,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 somove(fffffd806ebf4c88,2) at somove+0xf61 sys/kern/uipc_socket.c:1616 sorwakeup(fffffd806ebf4c88) at sorwakeup+0x79 sys/kern/uipc_socket.c:1665 udp_sbappend(fffffd806f655378,fffffd8065878300,fffffd80658783e0,0,14,fffffd80658783f4) at udp_sbappend+0x397 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000252bb248,ffff8000252bb254,11,2) at udp_input+0x1323 ip_deliver(ffff8000252bb248,ffff8000252bb254,11,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff8000252bb248,ffff8000252bb254,2fc9,0) at ip_ours+0x412 ip_input_if(ffff8000252bb248,ffff8000252bb254,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd807b615200) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd807b615200,2) at if_input_local+0xf9 sys/net/if.c:769 ether_resolve(ffff80000017c2a8,fffffd8065878b00,fffffd806f6553f8,fffffd806f49f000,ffff8000252bb398) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd8065878b00,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd8065878b00,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806d840d00,0,fffffd806f6553e8,0,0,fffffd806f655378) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f655378,fffffd806f31f800,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 somove(fffffd806ebf4c88,2) at somove+0xf61 sys/kern/uipc_socket.c:1616 sorwakeup(fffffd806ebf4c88) at sorwakeup+0x79 sys/kern/uipc_socket.c:1665 udp_sbappend(fffffd806f655378,fffffd806f3e6a00,fffffd806f3e6aac,0,14,fffffd806f3e6ac0) at udp_sbappend+0x397 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000252bba38,ffff8000252bba44,11,2) at udp_input+0x1323 ip_deliver(ffff8000252bba38,ffff8000252bba44,11,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff8000252bba38,ffff8000252bba44,1e7c,0) at ip_ours+0x412 ip_input_if(ffff8000252bba38,ffff8000252bba44,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd806b3d1200) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd806b3d1200,2) at if_input_local+0xf9 sys/net/if.c:769 ether_resolve(ffff80000017c2a8,fffffd806db1c200,fffffd806f6553f8,fffffd806f49f000,ffff8000252bbb88) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd806db1c200,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd806db1c200,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806a7ba800,0,fffffd806f6553e8,0,0,fffffd806f655378) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f655378,fffffd806a7ba800,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 somove(fffffd806ebf4c88,2) at somove+0xf61 sys/kern/uipc_socket.c:1616 sorwakeup(fffffd806ebf4c88) at sorwakeup+0x79 sys/kern/uipc_socket.c:1665 udp_sbappend(fffffd806f655378,fffffd806f31f800,fffffd80679a4060,0,14,fffffd80679a4074) at udp_sbappend+0x397 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000252bc228,ffff8000252bc234,11,2) at udp_input+0x1323 ip_deliver(ffff8000252bc228,ffff8000252bc234,11,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff8000252bc228,ffff8000252bc234,6db,0) at ip_ours+0x412 ip_input_if(ffff8000252bc228,ffff8000252bc234,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd806db1ce00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd806db1ce00,2) at if_input_local+0xf9 sys/net/if.c:769 ether_resolve(ffff80000017c2a8,fffffd806a8ad200,fffffd806f6553f8,fffffd806f49f000,ffff8000252bc378) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd806a8ad200,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd806a8ad200,fffffd806f6553f8,fffffd806f49f000) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806b3d1000,0,fffffd806f6553e8,0,0,fffffd806f655378) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f655378,fffffd806b3d1000,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 sosend(fffffd806ebf4c88,0,ffff8000252bc6a0,0,0,0) at sosend+0x671 sys/kern/uipc_socket.c:555 sendit(ffff800020e38ae8,7,ffff8000252bc780,0,ffff8000252bc860) at sendit+0x52b sys/kern/uipc_syscalls.c:657 sys_sendto(ffff800020e38ae8,ffff8000252bc818,ffff8000252bc860) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 syscall(ffff8000252bc8e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000252bc8e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e3df005e0, count: -94 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp 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 end of kernel end trace frame: 0x7f7ffffd2300, count: -3