uvm_fault(0xffffffff827de950, 0xfffffd0000000010, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pool_cache_get+0x1b1: movq 0x10(%r14),%r13 ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff827de950, 0xfffffd0000000010, 0, 1) -> e pool_cache_get(ffffffff82907dc0) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff82907dc0) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 end trace frame: 0xffff800021ec6cb0, count: 0 ddb{1}> trace pool_cache_get(ffffffff82907dc0) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff82907dc0) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 pool_get(ffffffff82907dc0,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_get(2,3) at m_get+0x4c sys/kern/uipc_mbuf.c:250 sbappendaddr(fffffd806f67d320,fffffd806f67d3a8,ffffffff825af7d0,fffffd806c98e100,0) at sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 rtm_sendup(fffffd806f67d320,fffffd806c98e100,0) at rtm_sendup+0xef sys/net/rtsock.c:594 route_input(fffffd806c98e100,0,18) at route_input+0x489 sys/net/rtsock.c:572 rtm_addr(c,ffff800000aa2500) at rtm_addr+0x10b sys/net/rtsock.c:1751 rt_ifa_add(ffff800000aa2500,240404,ffff800000aa2540,0) at rt_ifa_add+0x2a7 sys/net/route.c:1140 rt_ifa_addlocal(ffff800000aa2500) at rt_ifa_addlocal+0x16d sys/net/route.c:1238 in6_update_ifa(ffff800000b1a800,ffff800021ec74d0,0) at in6_update_ifa+0x13ab sys/netinet6/in6.c:723 in6_ioctl_change_ifaddr(8080691a,ffff800021ec74d0,ffff800000b1a800) at in6_ioctl_change_ifaddr+0x40c sys/netinet6/in6.c:352 ifioctl(fffffd807cd431a0,8080691a,ffff800021ec74d0,ffff800020e09768) at ifioctl+0xe70 sys/net/if.c:2282 soo_ioctl(fffffd806849c310,8080691a,ffff800021ec74d0,ffff800020e09768) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020e09768,ffff800021ec75e0,ffff800021ec7630) at sys_ioctl+0x4a5 syscall(ffff800021ec76b0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021ec76b0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe1160, count: -16 ddb{1}> show registers rdi 0 rsi 0x7 rbp 0xffff800021ec6bf0 rbx 0x11e3b38c9f334c97 rdx 0xffff800020e09768 rcx 0 rax 0 r8 0xffffffff81612505 sbappendaddr+0x1c5 r9 0x5 r10 0x2 r11 0xf91e9b6b2d2e407a r12 0xffffffff82907dc0 mbpool r13 0 r14 0xfffffd0000000000 r15 0xfffffd807f009e00 rip 0xffffffff8206b211 pool_cache_get+0x1b1 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800021ec6b90 ss 0x10 pool_cache_get+0x1b1: movq 0x10(%r14),%r13 ddb{1}> show proc PROC (ifconfig) pid=34658 stat=onproc flags process=2 proc=0 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020e0a878,0xffff800020e0aaf8 process=0xffff8000222eb388 user=0xffff800021ec2000, vmspace=0xfffffd807f000000 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 62030 44014 77338 0 7 0 syz-executor.0 *31246 34658 44424 0 7 0x2 ifconfig 44424 9016 64187 0 3 0x10008a pause sh 64187 242730 30260 0 3 0x82 wait syz-executor.1 77338 360641 30260 0 3 0x82 nanosleep syz-executor.0 83648 433950 0 0 3 0x14200 bored sosplice 30260 84295 55002 0 3 0x82 thrsleep syz-fuzzer 30260 72130 55002 0 3 0x4000082 nanosleep syz-fuzzer 30260 64025 55002 0 3 0x4000082 thrsleep syz-fuzzer 30260 260646 55002 0 3 0x4000082 thrsleep syz-fuzzer 30260 347060 55002 0 3 0x4000082 thrsleep syz-fuzzer 30260 100592 55002 0 3 0x4000082 thrsleep syz-fuzzer 30260 93533 55002 0 3 0x4000082 thrsleep syz-fuzzer 30260 515091 55002 0 3 0x4000082 thrsleep syz-fuzzer 30260 443851 55002 0 3 0x4000082 kqread syz-fuzzer 30260 183194 55002 0 3 0x4000082 thrsleep syz-fuzzer 55002 507781 70414 0 3 0x10008a pause ksh 70414 419425 83930 0 3 0x92 select sshd 91742 379308 1 0 3 0x100083 ttyin getty 83930 78650 1 0 3 0x80 select sshd 54391 260933 26930 74 3 0x100092 bpf pflogd 26930 399709 1 0 3 0x80 netio pflogd 70990 237823 40740 73 3 0x100090 kqread syslogd 40740 245735 1 0 3 0x100082 netio syslogd 65763 364910 1 77 3 0x100090 poll dhclient 2503 287664 1 0 3 0x80 poll dhclient 6516 173160 0 0 3 0x14200 bored smr 55804 35466 0 0 2 0x14200 zerothread 43614 142817 0 0 3 0x14200 aiodoned aiodoned 79903 259565 0 0 3 0x14200 syncer update 53156 110314 0 0 3 0x14200 cleaner cleaner 2321 47253 0 0 3 0x14200 reaper reaper 59302 285089 0 0 3 0x14200 pgdaemon pagedaemon 6339 328473 0 0 3 0x14200 bored crynlk 28103 232108 0 0 3 0x14200 bored crypto 22127 345206 0 0 3 0x40014200 acpi0 acpi0 37964 118653 0 0 3 0x40014200 idle1 10674 485125 0 0 3 0x14200 bored softnet 2692 218915 0 0 3 0x14200 bored systqmp 36628 207714 0 0 3 0x14200 bored systq 68322 78542 0 0 3 0x40014200 bored softclock 69674 234899 0 0 3 0x40014200 idle0 1 186599 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 31246 (ifconfig) thread 0xffff800020e09768 (34658) exclusive rwlock netlock r = 0 (0xffffffff82728958) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 in6_ioctl_change_ifaddr+0xab #2 ifioctl+0xe70 sys/net/if.c:2282 #3 soo_ioctl+0x27c sys/kern/sys_socket.c:138 #4 sys_ioctl+0x4a5 #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 kernel_lock &kernel_lock r = 2 (0xffffffff828eb278) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 soo_ioctl+0x26a sys/kern/sys_socket.c:138 #2 sys_ioctl+0x4a5 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9491 6405K 6668K 78643K 10878 0 pcb 13 8K 8K 78643K 38 0 rtable 118 7K 8K 78643K 354 0 ifaddr 58 13K 13K 78643K 91 0 counters 43 33K 34K 78643K 49 0 ioctlops 0 0K 4K 78643K 1497 0 iov 0 0K 16K 78643K 7 0 mount 1 1K 1K 78643K 1 0 vnodes 1223 77K 77K 78643K 1348 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 9 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 28 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 7 21K 25K 78643K 275 0 sigio 0 0K 0K 78643K 24 0 proc 69 75K 95K 78643K 530 0 subproc 32 2K 2K 78643K 68 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 15 0 in_multi 38 2K 2K 78643K 96 0 ether_multi 1 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 253 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 129 23K 39K 78643K 1812 0 UVM aobj 27 2K 2K 78643K 33 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 8 0 NDP 11 0K 0K 78643K 24 0 temp 84 3860K 3928K 78643K 6581 0 kqueue 3 4K 8K 78643K 14 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 arp 64 10 0 4 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 28 0 26 1 0 1 1 0 8 0 rtentry 112 78 0 36 2 0 2 2 0 8 0 unpcb 120 133 0 123 1 0 1 1 0 8 0 syncache 264 9 0 9 3 2 1 1 0 8 1 tcpqe 32 294 0 294 3 2 1 1 0 8 1 tcpcb 544 64 0 58 1 0 1 1 0 8 0 inpcb 296 417 0 407 2 0 2 2 0 8 1 nd6 48 20 0 15 1 0 1 1 0 8 0 ppxss 1136 1 0 1 1 0 1 1 0 8 1 pffrag 232 4 0 3 1 0 1 1 0 482 0 pffrnode 88 4 0 3 1 0 1 1 0 8 0 pffrent 40 51 0 50 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 pfrktable 1344 22 0 15 1 0 1 1 0 8 0 pfstitem 24 30 0 4 1 0 1 1 0 8 0 pfstkey 112 30 0 4 1 0 1 1 0 8 0 pfstate 328 30 0 4 3 0 3 3 0 8 0 pfrule 1360 27 0 20 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 281 0 94 12 0 12 12 0 8 0 art_table 32 282 0 94 2 0 2 2 0 8 0 art_node 16 77 0 38 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 4 1 0 1 1 0 8 0 semupl 112 4 0 4 2 2 0 1 0 8 0 semapl 112 24 0 14 1 0 1 1 0 8 0 shmpl 112 30 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1699 0 294 89 0 89 89 0 8 0 ffsino 272 1699 0 294 96 1 95 95 0 8 1 nchpl 144 2214 0 615 60 0 60 60 0 8 0 uvmvnodes 72 1840 0 0 34 0 34 34 0 8 0 vnodes 208 1840 0 0 97 0 97 97 0 8 0 namei 1024 6117 0 6117 2 1 1 1 0 8 1 percpumem 16 35 0 3 1 0 1 1 0 8 0 pfiaddrpl 120 10 0 4 1 0 1 1 0 8 0 scxspl 192 6547 0 6547 5 4 1 3 0 8 1 plimitpl 152 21 0 13 1 0 1 1 0 8 0 sigapl 424 485 0 451 4 0 4 4 0 8 0 futexpl 56 2967 0 2967 1 0 1 1 0 8 1 knotepl 112 97 0 76 1 0 1 1 0 8 0 kqueuepl 144 38 0 36 1 0 1 1 0 8 0 pipepl 304 136 0 126 2 1 1 2 0 8 0 fdescpl 496 469 0 451 3 0 3 3 0 8 0 filepl 152 2526 0 2425 6 1 5 5 0 8 1 lockfpl 104 51 0 50 1 0 1 1 0 8 0 lockfspl 48 17 0 16 1 0 1 1 0 8 0 sessionpl 112 20 0 9 1 0 1 1 0 8 0 pgrppl 48 22 0 11 1 0 1 1 0 8 0 ucredpl 96 195 0 186 1 0 1 1 0 8 0 zombiepl 144 451 0 451 2 1 1 1 0 8 1 processpl 992 485 0 451 6 1 5 5 0 8 0 procpl 624 947 0 904 4 0 4 4 0 8 0 sockpl 400 579 0 557 4 1 3 4 0 8 0 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 266 0 0 33 0 33 33 0 8 0 mtagpl 96 26 0 0 1 0 1 1 0 8 0 mbufpl 256 351 0 0 21 0 21 21 0 8 0 bufpl 280 3715 0 132 256 0 256 256 0 8 0 anonpl 16 65112 0 52684 87 2 85 85 0 124 16 amapchunkpl 152 2764 0 2609 21 4 17 20 0 158 8 amappl16 192 2411 0 1527 62 8 54 57 0 8 8 amappl15 184 2 0 1 1 0 1 1 0 8 0 amappl14 176 33 0 27 1 0 1 1 0 8 0 amappl13 168 142 0 138 1 0 1 1 0 8 0 amappl12 160 10 0 8 2 1 1 1 0 8 0 amappl11 152 58 0 43 1 0 1 1 0 8 0 amappl10 144 30 0 25 1 0 1 1 0 8 0 amappl9 136 501 0 500 1 0 1 1 0 8 0 amappl8 128 515 0 478 2 0 2 2 0 8 0 amappl7 120 136 0 121 1 0 1 1 0 8 0 amappl6 112 25 0 20 1 0 1 1 0 8 0 amappl5 104 356 0 340 1 0 1 1 0 8 0 amappl4 96 613 0 581 1 0 1 1 0 8 0 amappl3 88 108 0 103 1 0 1 1 0 8 0 amappl2 80 2625 0 2561 2 0 2 2 0 8 0 amappl1 72 22865 0 22390 23 12 11 18 0 8 1 amappl 80 1241 0 1193 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 32 0 6 1 0 1 1 0 8 0 uaddrrnd 24 469 0 451 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 469 0 451 1 0 1 1 0 8 0 vmmpekpl 168 7392 0 7358 2 0 2 2 0 8 0 vmmpepl 168 68447 0 66369 145 15 130 130 0 357 33 vmsppl 368 468 0 451 2 0 2 2 0 8 0 pdppl 4096 945 0 902 7 1 6 6 0 8 0 pvpl 32 201687 0 185983 201 2 199 199 0 265 36 pmappl 232 468 0 451 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 283 0 7 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82708ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x36 kd_curproc sys/dev/kcov.c:411 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x36 sys/dev/kcov.c:79 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f __mp_lock(ffffffff828eb070) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828eb070) at __mp_lock+0x12e sys/kern/kern_lock.c:147 pageflttrap(ffff800024af12e0,1) at pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 usertrap(ffff800024af12e0) at usertrap+0x21a sys/arch/amd64/amd64/trap.c:384 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7fffff1350, count: -10 ddb{0}> machine ddbcpu 1 Stopped at pool_cache_get+0x1b1: movq 0x10(%r14),%r13 ddb{1}> trace pool_cache_get(ffffffff82907dc0) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff82907dc0) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 pool_get(ffffffff82907dc0,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_get(2,3) at m_get+0x4c sys/kern/uipc_mbuf.c:250 sbappendaddr(fffffd806f67d320,fffffd806f67d3a8,ffffffff825af7d0,fffffd806c98e100,0) at sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 rtm_sendup(fffffd806f67d320,fffffd806c98e100,0) at rtm_sendup+0xef sys/net/rtsock.c:594 route_input(fffffd806c98e100,0,18) at route_input+0x489 sys/net/rtsock.c:572 rtm_addr(c,ffff800000aa2500) at rtm_addr+0x10b sys/net/rtsock.c:1751 rt_ifa_add(ffff800000aa2500,240404,ffff800000aa2540,0) at rt_ifa_add+0x2a7 sys/net/route.c:1140 rt_ifa_addlocal(ffff800000aa2500) at rt_ifa_addlocal+0x16d sys/net/route.c:1238 in6_update_ifa(ffff800000b1a800,ffff800021ec74d0,0) at in6_update_ifa+0x13ab sys/netinet6/in6.c:723 in6_ioctl_change_ifaddr(8080691a,ffff800021ec74d0,ffff800000b1a800) at in6_ioctl_change_ifaddr+0x40c sys/netinet6/in6.c:352 ifioctl(fffffd807cd431a0,8080691a,ffff800021ec74d0,ffff800020e09768) at ifioctl+0xe70 sys/net/if.c:2282 soo_ioctl(fffffd806849c310,8080691a,ffff800021ec74d0,ffff800020e09768) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020e09768,ffff800021ec75e0,ffff800021ec7630) at sys_ioctl+0x4a5 syscall(ffff800021ec76b0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021ec76b0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe1160, count: -16