uvm_fault(0xffffffff82804020, 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(0xffffffff82804020, 0xfffffd0000000010, 0, 1) -> e pool_cache_get(ffffffff828bfab0) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff828bfab0) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 end trace frame: 0xffff800020da99d0, count: 0 ddb{1}> trace pool_cache_get(ffffffff828bfab0) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff828bfab0) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 pool_get(ffffffff828bfab0,2) 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(fffffd806f687000,fffffd806f687088,ffffffff825a4c40,fffffd807c9a8f00,0) at sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 rtm_sendup(fffffd806f687000,fffffd807c9a8f00,0) at rtm_sendup+0xef sys/net/rtsock.c:594 route_input(fffffd807c9a8f00,0,0) at route_input+0x489 sys/net/rtsock.c:572 if_linkstate_task(19) at if_linkstate_task+0x137 if_linkstate sys/net/if.c:1671 [inline] if_linkstate_task(19) 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 0xffff800020da9910 rbx 0xcf46c9d01dff9638 rdx 0xffff800020d88000 rcx 0 rax 0 r8 0xffffffff819ee125 sbappendaddr+0x1c5 r9 0x5 r10 0x2 r11 0xfd375782680e519 r12 0xffffffff828bfab0 mbpool r13 0 r14 0xfffffd0000000000 r15 0xfffffd807f008c80 rip 0xffffffff817114b1 pool_cache_get+0x1b1 cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff800020da98b0 ss 0x10 pool_cache_get+0x1b1: movq 0x10(%r14),%r13 ddb{1}> show proc PROC (softnet) pid=220352 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020d88270,0xffff800020d88760 process=0xffff800020d8a000 user=0xffff800020da4000, vmspace=0xffffffff828b7fb0 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 54491 329906 58533 0 2 0x2 syz-executor.0 74644 507643 0 0 3 0x14200 acct acct 15171 186176 0 0 3 0x14200 bored sosplice 76106 386204 0 0 3 0x14280 nfsidl nfsio 7487 318161 0 0 3 0x14280 nfsidl nfsio 53613 309551 0 0 3 0x14280 nfsidl nfsio 25796 230416 0 0 3 0x14280 nfsidl nfsio 7584 212084 0 0 3 0x14280 nfsidl nfsio 48117 506491 0 0 3 0x14280 nfsidl nfsio 60503 130514 0 0 3 0x14280 nfsidl nfsio 93173 365316 0 0 3 0x14280 nfsidl nfsio 42465 100743 0 0 3 0x14280 nfsidl nfsio 30376 160728 0 0 3 0x14280 nfsidl nfsio 88471 371981 0 0 3 0x14280 nfsidl nfsio 85124 358259 0 0 3 0x14280 nfsidl nfsio 33121 23811 0 0 3 0x14280 nfsidl nfsio 22618 454002 0 0 3 0x14280 nfsidl nfsio 47121 292289 0 0 3 0x14280 nfsidl nfsio 32824 261201 0 0 3 0x14280 nfsidl nfsio 88591 384527 0 0 3 0x14280 nfsidl nfsio 35446 103144 0 0 3 0x14280 nfsidl nfsio 66262 175590 0 0 3 0x14280 nfsidl nfsio 79218 56125 0 0 3 0x14280 nfsidl nfsio 74372 472714 58533 0 3 0x82 piperd syz-executor.1 58533 485816 973 0 3 0x82 thrsleep syz-fuzzer 58533 159236 973 0 3 0x4000082 nanosleep syz-fuzzer 58533 495839 973 0 3 0x4000082 thrsleep syz-fuzzer 58533 157707 973 0 3 0x4000082 thrsleep syz-fuzzer 58533 147586 973 0 3 0x4000082 thrsleep syz-fuzzer 58533 92838 973 0 2 0x4000002 syz-fuzzer 58533 19463 973 0 3 0x4000082 thrsleep syz-fuzzer 58533 253011 973 0 3 0x4000082 kqread syz-fuzzer 58533 469989 973 0 3 0x4000082 thrsleep syz-fuzzer 58533 444005 973 0 3 0x4000082 thrsleep syz-fuzzer 973 468398 5693 0 3 0x10008a pause ksh 5693 189783 20005 0 3 0x92 select sshd 64818 298608 1 0 3 0x100083 ttyin getty 20005 506073 1 0 3 0x80 select sshd 46229 77955 45790 74 3 0x100092 bpf pflogd 45790 296539 1 0 3 0x80 netio pflogd 4418 157815 98911 73 3 0x100090 kqread syslogd 98911 308189 1 0 3 0x100082 netio syslogd 19822 38463 1 77 7 0x100010 dhclient 76735 414652 1 0 3 0x80 poll dhclient 5838 497266 0 0 3 0x14200 bored smr 17311 406138 0 0 2 0x14200 zerothread 9099 289754 0 0 3 0x14200 aiodoned aiodoned 35099 456644 0 0 3 0x14200 syncer update 37282 406313 0 0 3 0x14200 cleaner cleaner 95317 294165 0 0 3 0x14200 reaper reaper 97718 139868 0 0 3 0x14200 pgdaemon pagedaemon 32971 226346 0 0 3 0x14200 bored crynlk 30215 193304 0 0 3 0x14200 bored crypto 42577 500168 0 0 3 0x40014200 acpi0 acpi0 93962 53920 0 0 3 0x40014200 idle1 * 135 220352 0 0 7 0x14200 softnet 6559 238769 0 0 3 0x14200 bored systqmp 40681 28924 0 0 3 0x14200 bored systq 16242 83598 0 0 3 0x40014200 bored softclock 62025 111865 0 0 3 0x40014200 idle0 1 175420 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 135 (softnet) thread 0xffff800020d88000 (220352) exclusive rwlock netlock r = 0 (0xffffffff826ebbd8) #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 (0xffffffff828c8768) #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 9521 6432K 6675K 78643K 11101 0 pcb 13 8K 8K 78643K 70 0 rtable 95 6K 7K 78643K 426 0 ifaddr 72 14K 15K 78643K 177 0 counters 43 33K 34K 78643K 69 0 ioctlops 0 0K 4K 78643K 1514 0 iov 0 0K 16K 78643K 46 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1399 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 7 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 47 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 4 9K 25K 78643K 403 0 sigio 0 0K 0K 78643K 3 0 proc 62 63K 83K 78643K 497 0 subproc 33 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 46 0 in_multi 34 2K 2K 78643K 137 0 ether_multi 1 0K 0K 78643K 16 0 mrt 0 0K 0K 78643K 5 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 235 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 120 55K 55K 78643K 2371 0 UVM aobj 25 4K 4K 78643K 25 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 62 0 NDP 12 0K 0K 78643K 38 0 temp 133 3868K 3962K 78643K 14075 0 kqueue 3 4K 22K 78643K 32 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 6 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 208 0 206 1 0 1 1 0 8 0 rtentry 112 73 0 43 2 0 2 2 0 8 0 unpcb 120 643 0 633 1 0 1 1 0 8 0 syncache 264 8 0 8 3 3 0 1 0 8 0 tcpqe 32 177 0 177 1 1 0 1 0 8 0 tcpcb 544 139 0 135 1 0 1 1 0 8 0 inpcb 296 399 0 392 6 5 1 2 0 8 0 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 20 0 19 1 0 1 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 pfstscr 40 2 0 2 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 36 0 29 2 1 1 1 0 8 0 pfstitem 24 41 0 28 1 0 1 1 0 8 0 pfstkey 112 43 0 30 1 0 1 1 0 8 0 pfstate 328 42 0 29 2 0 2 2 0 8 0 pfrule 1360 26 0 21 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 335 0 207 15 2 13 13 0 8 2 art_table 32 336 0 207 2 0 2 2 0 8 0 art_node 16 72 0 44 1 0 1 1 0 8 0 sysvmsgpl 40 60 0 20 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 39 0 29 1 0 1 1 0 8 0 shmpl 112 22 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1948 0 546 90 1 89 89 0 8 0 ffsino 272 1948 0 546 94 0 94 94 0 8 0 nchpl 144 2842 0 1247 60 0 60 60 0 8 0 uvmvnodes 72 2106 0 0 39 0 39 39 0 8 0 vnodes 208 2106 0 0 111 0 111 111 0 8 0 namei 1024 7579 0 7579 2 1 1 1 0 8 1 percpumem 16 45 0 13 1 0 1 1 0 8 0 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 560 4 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 9 0 6 2 1 1 1 0 8 0 scxspl 192 9602 0 9602 13 11 2 7 0 8 2 plimitpl 152 46 0 38 1 0 1 1 0 8 0 sigapl 424 637 0 585 7 1 6 7 0 8 0 futexpl 56 7016 0 7016 2 1 1 1 0 8 1 knotepl 112 155 0 134 2 1 1 2 0 8 0 kqueuepl 144 64 0 62 1 0 1 1 0 8 0 pipepl 304 279 0 269 5 4 1 2 0 8 0 fdescpl 496 600 0 585 3 0 3 3 0 8 0 filepl 152 4107 0 4006 5 0 5 5 0 8 1 lockfpl 104 101 0 100 1 0 1 1 0 8 0 lockfspl 48 30 0 29 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 31 0 20 1 0 1 1 0 8 0 ucredpl 96 346 0 337 1 0 1 1 0 8 0 zombiepl 144 585 0 585 1 0 1 1 0 8 1 processpl 992 637 0 585 7 0 7 7 0 8 0 procpl 624 1594 0 1533 6 0 6 6 0 8 0 sosppl 128 8 0 8 3 2 1 1 0 8 1 sockpl 400 1252 0 1233 7 4 3 4 0 8 1 mcl64k 65536 14 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 227 0 0 28 0 28 28 0 8 0 mtagpl 96 28 0 0 1 0 1 1 0 8 0 mbufpl 256 474 0 0 30 0 30 30 0 8 0 bufpl 280 5716 0 134 399 0 399 399 0 8 0 anonpl 16 73660 0 61369 100 16 84 84 0 124 15 amapchunkpl 152 4057 0 3887 24 5 19 21 0 158 11 amappl16 192 3124 0 2235 69 16 53 57 0 8 8 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 28 0 24 1 0 1 1 0 8 0 amappl13 168 39 0 35 1 0 1 1 0 8 0 amappl12 160 116 0 111 1 0 1 1 0 8 0 amappl11 152 73 0 56 1 0 1 1 0 8 0 amappl10 144 282 0 276 1 0 1 1 0 8 0 amappl9 136 388 0 387 1 0 1 1 0 8 0 amappl8 128 357 0 326 2 0 2 2 0 8 0 amappl7 120 375 0 363 1 0 1 1 0 8 0 amappl6 112 29 0 24 1 0 1 1 0 8 0 amappl5 104 600 0 585 1 0 1 1 0 8 0 amappl4 96 502 0 470 1 0 1 1 0 8 0 amappl3 88 111 0 106 1 0 1 1 0 8 0 amappl2 80 3842 0 3783 2 0 2 2 0 8 0 amappl1 72 23078 0 22657 23 13 10 18 0 8 0 amappl 80 1848 0 1798 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 24 0 0 1 0 1 1 0 8 0 uaddrrnd 24 604 0 585 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 604 0 585 1 0 1 1 0 8 0 vmmpekpl 168 9239 0 9188 3 0 3 3 0 8 0 vmmpepl 168 82062 0 80108 153 27 126 126 0 357 31 vmsppl 368 603 0 585 2 0 2 2 0 8 0 pdppl 4096 1215 0 1174 7 1 6 6 0 8 0 pvpl 32 232780 0 217328 232 34 198 199 0 265 33 pmappl 232 603 0 585 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 295 0 12 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff827a2ff0) 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(ffffffff828c8560) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828c8560) 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 __mp_lock(ffffffff828c8560) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828c8560) at __mp_lock+0x127 sys/kern/kern_lock.c:147 solock(fffffd806f687190) at solock+0x66 sys/kern/uipc_socket2.c:292 soreceive(fffffd806f687190,0,ffff800020e17f68,0,0,ffff800020e17e74) at soreceive+0x114 sys/kern/uipc_socket.c:737 soo_read(fffffd8076bf67b8,ffff800020e17f68,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff800020ddc9c8,3,ffff800020e17f68,0,ffff800020e18050) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff800020ddc9c8,ffff800020e18000,ffff800020e18050) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff800020e180d0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e180d0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff8570, count: -14 ddb{0}> machine ddbcpu 1 Stopped at pool_cache_get+0x1b1: movq 0x10(%r14),%r13 ddb{1}> trace pool_cache_get(ffffffff828bfab0) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff828bfab0) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 pool_get(ffffffff828bfab0,2) 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(fffffd806f687000,fffffd806f687088,ffffffff825a4c40,fffffd807c9a8f00,0) at sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 rtm_sendup(fffffd806f687000,fffffd807c9a8f00,0) at rtm_sendup+0xef sys/net/rtsock.c:594 route_input(fffffd807c9a8f00,0,0) at route_input+0x489 sys/net/rtsock.c:572 if_linkstate_task(19) at if_linkstate_task+0x137 if_linkstate sys/net/if.c:1671 [inline] if_linkstate_task(19) 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