uvm_fault(0xffffffff828805c8, 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(0xffffffff828805c8, 0xfffffd0000000010, 0, 1) -> e pool_cache_get(ffffffff828d8c68) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff828d8c68) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 end trace frame: 0xffff800020da8e80, count: 0 ddb{1}> trace pool_cache_get(ffffffff828d8c68) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff828d8c68) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 pool_get(ffffffff828d8c68,2) 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(fffffd806f683000,fffffd806f683088,ffffffff826c47f0,fffffd806a0fcd00,0) at sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 rtm_sendup(fffffd806f683000,fffffd806a3a5600,1) at rtm_sendup+0xef sys/net/rtsock.c:594 route_input(fffffd806a3a5600,0,0) at route_input+0x1cc sys/net/rtsock.c:560 if_linkstate_task(d) at if_linkstate_task+0x137 if_linkstate sys/net/if.c:1671 [inline] if_linkstate_task(d) at if_linkstate_task+0x137 sys/net/if.c:1658 taskq_thread(ffff80000002c000) at taskq_thread+0xec sys/kern/kern_task.c:437 end trace frame: 0x0, count: -8 ddb{1}> show registers rdi 0 rsi 0x7 rbp 0xffff800020da8dc0 rbx 0x7e97c2918ace8ee9 rdx 0xffff800020d88750 rcx 0 rax 0 r8 0xffffffff81069915 sbappendaddr+0x1c5 r9 0x5 r10 0x2 r11 0xf6dfe40a804fc5d2 r12 0xffffffff828d8c68 mbpool r13 0 r14 0xfffffd0000000000 r15 0xfffffd807f008e80 rip 0xffffffff81f1ea81 pool_cache_get+0x1b1 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800020da8d60 ss 0x10 pool_cache_get+0x1b1: movq 0x10(%r14),%r13 ddb{1}> show proc PROC (softnet) pid=284087 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020d889c0,0xffff800020d88280 process=0xffff800020d8aba0 user=0xffff800020da4000, vmspace=0xffffffff828c2120 estcpu=0, cpticks=1, pctcpu=0.70 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 93203 69830 63797 0 2 0 syz-executor.1 93203 161033 63797 0 2 0x4000000 syz-executor.1 63797 384679 81616 0 3 0x82 nanosleep syz-executor.1 18895 24689 0 0 3 0x14200 bored sosplice 92131 500855 0 0 3 0x14200 acct acct 12814 120155 81616 0 3 0x82 piperd syz-executor.0 81616 377147 39703 0 3 0x82 thrsleep syz-fuzzer 81616 173341 39703 0 3 0x4000082 nanosleep syz-fuzzer 81616 16918 39703 0 3 0x4000082 kqread syz-fuzzer 81616 472993 39703 0 3 0x4000082 thrsleep syz-fuzzer 81616 223214 39703 0 3 0x4000082 thrsleep syz-fuzzer 81616 88916 39703 0 3 0x4000082 thrsleep syz-fuzzer 81616 218884 39703 0 3 0x4000082 thrsleep syz-fuzzer 81616 33818 39703 0 3 0x4000082 thrsleep syz-fuzzer 81616 493438 39703 0 3 0x4000082 thrsleep syz-fuzzer 81616 263657 39703 0 3 0x4000082 nanosleep syz-fuzzer 39703 106200 77350 0 3 0x10008a pause ksh 77350 42073 55586 0 3 0x92 select sshd 84725 282183 1 0 3 0x100083 ttyin getty 55586 524151 1 0 3 0x80 select sshd 12053 118517 62962 74 3 0x100092 bpf pflogd 62962 441112 1 0 3 0x80 netio pflogd 29614 309869 2566 73 3 0x100090 kqread syslogd 2566 338055 1 0 3 0x100082 netio syslogd 99326 179090 1 77 7 0x100010 dhclient 39678 336932 1 0 3 0x80 poll dhclient 30054 57232 0 0 3 0x14200 bored smr 83783 301985 0 0 3 0x14200 pgzero zerothread 15366 349198 0 0 3 0x14200 aiodoned aiodoned 46242 406105 0 0 3 0x14200 syncer update 81929 467373 0 0 3 0x14200 cleaner cleaner 91374 194690 0 0 3 0x14200 reaper reaper 3628 504185 0 0 3 0x14200 pgdaemon pagedaemon 68411 304051 0 0 3 0x14200 bored crynlk 32070 397117 0 0 3 0x14200 bored crypto 80340 423626 0 0 3 0x40014200 acpi0 acpi0 63491 514387 0 0 3 0x40014200 idle1 * 7702 284087 0 0 7 0x14200 softnet 28271 229032 0 0 3 0x14200 bored systqmp 33027 200996 0 0 3 0x14200 bored systq 30643 60360 0 0 3 0x40014200 bored softclock 41831 130798 0 0 3 0x40014200 idle0 1 316195 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 7702 (softnet) thread 0xffff800020d88750 (284087) exclusive rwlock netlock r = 0 (0xffffffff827400d8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 if_linkstate_task+0x35 #2 taskq_thread+0xec sys/kern/kern_task.c:437 #3 proc_trampoline+0x1c exclusive kernel_lock &kernel_lock r = 2 (0xffffffff828f5de0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 if_linkstate_task+0x29 sys/net/if.c:1654 #2 taskq_thread+0xec sys/kern/kern_task.c:437 #3 proc_trampoline+0x1c shared rwlock softnet r = 0 (0xffff80000002c070) #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+0xdf sys/kern/kern_task.c:436 #2 proc_trampoline+0x1c ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9515 6416K 6671K 78643K 10820 0 pcb 13 8K 8K 78643K 45 0 rtable 103 3K 4K 78643K 325 0 ifaddr 72 14K 14K 78643K 93 0 counters 45 34K 34K 78643K 47 0 ioctlops 0 0K 4K 78643K 1564 0 iov 0 0K 12K 78643K 24 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 1330 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 12 0K 1K 78643K 46 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 239 0 sigio 0 0K 0K 78643K 2 0 proc 61 63K 95K 78643K 505 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 25 0 in_multi 48 2K 2K 78643K 93 0 ether_multi 1 0K 0K 78643K 4 0 mrt 0 0K 0K 78643K 4 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 238 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 113 22K 38K 78643K 1631 0 UVM aobj 11 4K 4K 78643K 11 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 33 0 NDP 14 0K 0K 78643K 24 0 temp 111 3865K 3927K 78643K 6843 0 kqueue 3 4K 11K 78643K 20 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 8 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 29 0 27 1 0 1 1 0 8 0 rtentry 112 79 0 38 2 0 2 2 0 8 0 unpcb 120 101 0 91 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 452 0 452 1 1 0 1 0 8 0 tcpcb 544 80 0 76 1 0 1 1 0 8 0 inpcb 296 237 0 230 2 0 2 2 0 8 1 rttmr 72 2 0 2 1 0 1 1 0 8 1 nd6 48 17 0 13 1 0 1 1 0 8 0 pffrag 232 2 0 2 1 1 0 1 0 482 0 pffrnode 88 2 0 2 1 1 0 1 0 8 0 pffrent 40 8 0 8 1 1 0 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 6 0 6 1 0 1 1 0 8 1 pfstitem 24 20 0 6 1 0 1 1 0 8 0 pfstkey 112 20 0 6 1 0 1 1 0 8 0 pfstate 328 20 0 6 2 0 2 2 0 8 0 pfrule 1360 25 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 328 0 156 13 1 12 13 0 8 1 art_table 32 329 0 156 2 0 2 2 0 8 0 art_node 16 78 0 40 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 40 0 30 1 0 1 1 0 8 0 shmpl 112 8 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1705 0 297 89 0 89 89 0 8 0 ffsino 272 1705 0 297 95 0 95 95 0 8 0 nchpl 144 2185 0 587 60 0 60 60 0 8 0 uvmvnodes 72 1807 0 0 33 0 33 33 0 8 0 vnodes 208 1807 0 0 96 0 96 96 0 8 0 namei 1024 6472 0 6472 1 0 1 1 0 8 1 percpumem 16 34 0 1 1 0 1 1 0 8 0 vmpool 560 2 0 2 1 1 0 1 0 8 0 pfiaddrpl 120 2 0 2 1 0 1 1 0 8 1 scxspl 192 6713 0 6713 8 7 1 7 0 8 1 plimitpl 152 25 0 17 1 0 1 1 0 8 0 sigapl 424 453 0 420 4 0 4 4 0 8 0 futexpl 56 2639 0 2639 1 0 1 1 0 8 1 knotepl 112 90 0 71 1 0 1 1 0 8 0 kqueuepl 144 47 0 44 1 0 1 1 0 8 0 pipepl 304 111 0 101 3 1 2 2 0 8 1 fdescpl 496 436 0 420 3 0 3 3 0 8 0 filepl 152 2624 0 2520 5 0 5 5 0 8 1 lockfpl 104 61 0 60 1 0 1 1 0 8 0 lockfspl 48 23 0 22 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 19 0 8 1 0 1 1 0 8 0 ucredpl 96 585 0 576 1 0 1 1 0 8 0 zombiepl 144 420 0 420 1 0 1 1 0 8 1 processpl 992 453 0 420 5 0 5 5 0 8 0 procpl 624 821 0 778 4 0 4 4 0 8 0 sosppl 128 4 0 4 1 1 0 1 0 8 0 sockpl 400 367 0 348 3 0 3 3 0 8 1 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 180 0 0 22 0 22 22 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 244 0 0 15 0 15 15 0 8 0 bufpl 280 3980 0 139 275 0 275 275 0 8 0 anonpl 16 55390 0 42194 77 1 76 76 0 124 6 amapchunkpl 152 2512 0 2364 20 9 11 20 0 158 4 amappl16 192 1897 0 963 53 0 53 53 0 8 5 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 32 0 27 1 0 1 1 0 8 0 amappl13 168 35 0 32 1 0 1 1 0 8 0 amappl12 160 103 0 103 2 1 1 1 0 8 1 amappl11 152 68 0 53 1 0 1 1 0 8 0 amappl10 144 20 0 13 1 0 1 1 0 8 0 amappl9 136 477 0 474 1 0 1 1 0 8 0 amappl8 128 435 0 405 2 0 2 2 0 8 0 amappl7 120 126 0 113 1 0 1 1 0 8 0 amappl6 112 27 0 22 1 0 1 1 0 8 0 amappl5 104 380 0 364 1 0 1 1 0 8 0 amappl4 96 507 0 477 1 0 1 1 0 8 0 amappl3 88 107 0 102 1 0 1 1 0 8 0 amappl2 80 2191 0 2121 2 0 2 2 0 8 0 amappl1 72 18958 0 18511 23 13 10 18 0 8 0 amappl 80 1094 0 1050 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 10 0 0 1 0 1 1 0 8 0 uaddrrnd 24 438 0 422 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 438 0 422 1 0 1 1 0 8 0 vmmpekpl 168 7323 0 7291 2 0 2 2 0 8 0 vmmpepl 168 59713 0 57626 141 13 128 128 0 357 33 vmsppl 368 437 0 422 2 0 2 2 0 8 0 pdppl 4096 883 0 844 7 1 6 6 0 8 1 pvpl 32 182316 0 165954 184 2 182 182 0 265 16 pmappl 232 437 0 422 2 1 1 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 264 0 5 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(ffffffff82701ff0) 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(ffffffff828f5bd8) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828f5bd8) at __mp_lock+0x127 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f __sanitizer_cov_trace_cmp4(8baa8,8baa9) at __sanitizer_cov_trace_cmp4+0x5d kd_curproc sys/dev/kcov.c:416 [inline] __sanitizer_cov_trace_cmp4(8baa8,8baa9) at __sanitizer_cov_trace_cmp4+0x5d trace_cmp sys/dev/kcov.c:104 [inline] __sanitizer_cov_trace_cmp4(8baa8,8baa9) at __sanitizer_cov_trace_cmp4+0x5d sys/dev/kcov.c:135 __mp_lock(ffffffff828f5bd8) at __mp_lock+0x139 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828f5bd8) at __mp_lock+0x139 sys/kern/kern_lock.c:147 solock(fffffd806f683000) at solock+0x66 sys/kern/uipc_socket2.c:292 soreceive(fffffd806f683000,0,ffff800020e17f38,0,0,ffff800020e17e44) at soreceive+0x114 sys/kern/uipc_socket.c:737 soo_read(fffffd80746264c0,ffff800020e17f38,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff800020ddd388,3,ffff800020e17f38,0,ffff800020e18020) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff800020ddd388,ffff800020e17fd0,ffff800020e18020) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff800020e180a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e180a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc4a00, count: -15 ddb{0}> machine ddbcpu 1 Stopped at pool_cache_get+0x1b1: movq 0x10(%r14),%r13 ddb{1}> trace pool_cache_get(ffffffff828d8c68) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff828d8c68) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 pool_get(ffffffff828d8c68,2) 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(fffffd806f683000,fffffd806f683088,ffffffff826c47f0,fffffd806a0fcd00,0) at sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 rtm_sendup(fffffd806f683000,fffffd806a3a5600,1) at rtm_sendup+0xef sys/net/rtsock.c:594 route_input(fffffd806a3a5600,0,0) at route_input+0x1cc sys/net/rtsock.c:560 if_linkstate_task(d) at if_linkstate_task+0x137 if_linkstate sys/net/if.c:1671 [inline] if_linkstate_task(d) at if_linkstate_task+0x137 sys/net/if.c:1658 taskq_thread(ffff80000002c000) at taskq_thread+0xec sys/kern/kern_task.c:437 end trace frame: 0x0, count: -8