panic: ASan: Invalid access, 8-byte write at 0xfffffe00a4248bb0, UMAUseAfterFree(fd) cpuid = 0 time = 1636985610 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0053b2c390 kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0053b2c4f0 vpanic() at vpanic+0x2b8/frame 0xfffffe0053b2c5d0 panic() at panic+0xb5/frame 0xfffffe0053b2c6a0 kasan_report() at kasan_report+0xdc/frame 0xfffffe0053b2c770 sctp_timer_stop() at sctp_timer_stop+0x82b/frame 0xfffffe0053b2c7e0 sctp_stop_association_timers() at sctp_stop_association_timers+0x119/frame 0xfffffe0053b2c810 sctp_free_assoc() at sctp_free_assoc+0x46a/frame 0xfffffe0053b2c980 sctp_threshold_management() at sctp_threshold_management+0x443/frame 0xfffffe0053b2c9d0 sctp_asconf_timer() at sctp_asconf_timer+0x77/frame 0xfffffe0053b2ca50 sctp_timeout_handler() at sctp_timeout_handler+0xcdb/frame 0xfffffe0053b2cb90 softclock_call_cc() at softclock_call_cc+0x3d7/frame 0xfffffe0053b2cd40 softclock() at softclock+0x152/frame 0xfffffe0053b2cd90 ithread_loop() at ithread_loop+0x4f1/frame 0xfffffe0053b2cef0 fork_exit() at fork_exit+0xd0/frame 0xfffffe0053b2cf30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0053b2cf30 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 12 tid 100031 ] Stopped at kdb_enter+0x6b: movq $0,0x26f707a(%rip) db> db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b es 0x3b fs 0x13 gs 0x1b ss 0x28 rax 0x12 rcx 0x6eccc481257d4982 rdx 0x1 rbx 0 rsp 0xfffffe0053b2c4d0 rbp 0xfffffe0053b2c4f0 rsi 0 rdi 0xffffffff8179717a vprintf+0x35a r8 0 r9 0xffffffff r10 0 r11 0 r12 0xfffffe0053ea6560 r13 0xfffffe0053b2c501 r14 0xffffffff82b879a0 .str.18 r15 0xffffffff82b879a0 .str.18 rip 0xffffffff8178aa1b kdb_enter+0x6b rflags 0x46 kdb_enter+0x6b: movq $0,0x26f707a(%rip) db> show proc Process 12 (intr) at 0xfffffe0053de8548: state: NORMAL uid: 0 gids: 0 parent: pid 0 at 0xffffffff83e252e0 ABI: null flag: 0x10000284 flag2: 0 reaper: 0xffffffff83e252e0 reapsubtree: 12 sigparent: 20 vmspace: 0xffffffff83e26280 (map 0xffffffff83e26280) (map.pmap 0xffffffff83e26340) (pmap 0xffffffff83e263a8) threads: 23 100012 I [swi6: task queue] 100013 I [swi6: Giant taskq] 100019 I [swi5: fast taskq] 100029 I [swi3: vm] 100030 Run CPU 1 [swi1: netisr 0] 100031 Run CPU 0 [swi4: clock (0)] 100032 I [swi4: clock (1)] 100033 I [swi1: hpts] 100034 I [swi1: hpts] 100047 I [irq24: virtio_pci0] 100048 I [irq25: virtio_pci0] 100049 I [irq26: virtio_pci0] 100050 I [irq27: virtio_pci0] 100051 I [irq28: virtio_pci1] 100052 I [irq29: virtio_pci1] 100053 I [irq30: virtio_pci1] 100054 I [irq31: virtio_pci1] 100055 I [irq32: virtio_pci1] 100060 I [irq10: virtio_pci2] 100062 I [irq1: atkbd0] 100063 I [irq12: psm0] 100064 I [swi0: uart uart++] 100068 I [swi1: pf send] db> ps pid ppid pgrp uid state wmesg wchan cmd 10814 775 775 0 R (threaded) syz-executor.0 116556 RunQ syz-executor.0 117827 S connec 0xfffffe0058ac50da syz-executor.0 10813 785 785 0 R (threaded) syz-executor.2 116673 RunQ syz-executor.2 117826 S connec 0xfffffe0058abac1a syz-executor.2 117828 RunQ syz-executor.2 10812 791 791 0 R (threaded) syz-executor.3 116767 RunQ syz-executor.3 117824 S connec 0xfffffe0058abf0da syz-executor.3 117825 RunQ syz-executor.3 10811 776 776 0 R (threaded) syz-executor.1 117363 RunQ syz-executor.1 117822 S connec 0xfffffe0058abb0da syz-executor.1 117823 S uwait 0xfffffe00a8262c00 syz-executor.1 10386 1 785 0 SV sbwait 0xfffffe0058acc204 syz-executor.2 10377 1 785 0 SV sbwait 0xfffffe0058ad0d44 syz-executor.2 10368 1 785 0 SV sbwait 0xfffffe0058ad15c4 syz-executor.2 10360 1 785 0 SV sbwait 0xfffffe0058ac45c4 syz-executor.2 10355 1 785 0 SV sbwait 0xfffffe0058acb984 syz-executor.2 9881 1 775 0 S uwait 0xfffffe009ef0e780 syz-executor.0 9878 1 791 0 S uwait 0xfffffe009ef10600 syz-executor.3 9877 1 775 0 S uwait 0xfffffe009ef0e980 syz-executor.0 9872 1 776 0 S uwait 0xfffffe00a8262480 syz-executor.1 9870 1 791 0 S uwait 0xfffffe00576f4880 syz-executor.3 9868 1 775 0 S uwait 0xfffffe009ef10d00 syz-executor.0 9865 1 791 0 S umtxn 0xfffffe009ef10a00 syz-executor.3 9864 1 776 0 S uwait 0xfffffe009ef0f180 syz-executor.1 9859 1 776 0 S uwait 0xfffffe009ef10900 syz-executor.1 9855 1 776 0 S uwait 0xfffffe009ef0f380 syz-executor.1 9854 1 776 0 S uwait 0xfffffe00a8262080 syz-executor.1 9594 1 775 0 S uwait 0xfffffe00576f2900 syz-executor.0 9584 1 775 0 S uwait 0xfffffe009ef0f080 syz-executor.0 9582 1 791 0 S uwait 0xfffffe005718a880 syz-executor.3 9579 1 785 0 S uwait 0xfffffe00576f1680 syz-executor.2 9576 1 775 0 S uwait 0xfffffe009ef0e500 syz-executor.0 9574 1 791 0 S uwait 0xfffffe009ef11500 syz-executor.3 9573 1 785 0 S uwait 0xfffffe009ef0f880 syz-executor.2 9572 1 776 0 S uwait 0xfffffe005718a980 syz-executor.1 9567 1 776 0 S uwait 0xfffffe005718a680 syz-executor.1 9565 1 791 0 S uwait 0xfffffe00576f4c80 syz-executor.3 9564 1 785 0 S uwait 0xfffffe009ef0f280 syz-executor.2 9561 1 776 0 S uwait 0xfffffe00576f1280 syz-executor.1 9555 1 776 0 S uwait 0xfffffe00576f2100 syz-executor.1 9553 1 776 0 S uwait 0xfffffe0057187380 syz-executor.1 4466 1 791 0 S uwait 0xfffffe009ef11200 syz-executor.3 4463 1 791 0 S uwait 0xfffffe00576f4b80 syz-executor.3 4462 1 776 0 S uwait 0xfffffe00576f1880 syz-executor.1 4457 1 791 0 S uwait 0xfffffe0057188e00 syz-executor.3 4455 1 776 0 S uwait 0xfffffe00576f0480 syz-executor.1 4453 1 785 0 S uwait 0xfffffe009ef0f680 syz-executor.2 4451 1 775 0 S uwait 0xfffffe009ef0e300 syz-executor.0 4449 1 791 0 S uwait 0xfffffe0007989d00 syz-executor.3 4447 1 776 0 S uwait 0xfffffe00576f1480 syz-executor.1 4445 1 785 0 S uwait 0xfffffe009ef10b00 syz-executor.2 4443 1 775 0 S uwait 0xfffffe005718aa80 syz-executor.0 4442 1 791 0 S uwait 0xfffffe00a6438880 syz-executor.3 4439 1 791 0 S uwait 0xfffffe009ef0f580 syz-executor.3 4438 1 775 0 S uwait 0xfffffe0057187580 syz-executor.0 4437 1 785 0 S uwait 0xfffffe005718a200 syz-executor.2 4432 1 791 0 S uwait 0xfffffe009ef0f980 syz-executor.3 4427 1 791 0 S uwait 0xfffffe00576f0180 syz-executor.3 4422 1 791 0 S uwait 0xfffffe009ef10800 syz-executor.3 4420 1 791 0 S uwait 0xfffffe0057187180 syz-executor.3 4416 1 791 0 S uwait 0xfffffe00576f0080 syz-executor.3 4103 1 4103 65 Ss select 0xfffffe009ef0ec40 dhclient 3548 1 3548 0 Ss select 0xfffffe009ef10f40 dhclient 3545 1 3545 0 Ss select 0xfffffe009ef10e40 dhclient 3526 1 3526 65 Ss select 0xfffffe00571876c0 dhclient 2715 1 2715 0 Ss select 0xfffffe009ef0e6c0 dhclient 2712 1 2712 0 Ss select 0xfffffe009ef0e0c0 dhclient 2693 1 2693 65 Ss select 0xfffffe009ef10140 dhclient 2023 1 2023 0 Ss select 0xfffffe009ef0fa40 dhclient 2020 1 2020 0 Ss select 0xfffffe00a82634c0 dhclient 1993 1 1993 65 Ss select 0xfffffe00079897c0 dhclient 1184 1 1184 0 Ss select 0xfffffe009ef11440 dhclient 1179 1 1179 0 Ss select 0xfffffe009ef10dc0 dhclient 1041 0 0 0 DL - 0xffffffff83f6ee40 [soaiod4] 1040 0 0 0 DL - 0xffffffff83f6ee40 [soaiod3] 1039 0 0 0 DL - 0xffffffff83f6ee40 [soaiod2] 1038 0 0 0 DL - 0xffffffff83f6ee40 [soaiod1] 1036 0 0 0 DL aiordy 0xfffffe009ee81548 [aiod4] 1035 0 0 0 DL aiordy 0xfffffe009ea3d000 [aiod3] 1034 0 0 0 DL aiordy 0xfffffe009e95a548 [aiod2] 1033 0 0 0 DL aiordy 0xfffffe009e95aa90 [aiod1] 791 773 791 0 Rs syz-executor.3 785 773 785 0 Rs syz-executor.2 776 773 776 0 Rs syz-executor.1 775 773 775 0 Rs syz-executor.0 773 771 771 0 S (threaded) syz-fuzzer 100090 S kqread 0xfffffe00081f8300 syz-fuzzer 100114 S uwait 0xfffffe0057188500 syz-fuzzer 100115 S uwait 0xfffffe0057188600 syz-fuzzer 100116 S uwait 0xfffffe0057188700 syz-fuzzer 100117 S uwait 0xfffffe0057188f00 syz-fuzzer 100118 S uwait 0xfffffe0057189080 syz-fuzzer 100119 S uwait 0xfffffe0057189180 syz-fuzzer 100120 S uwait 0xfffffe0007989f00 syz-fuzzer 100122 S uwait 0xfffffe0057187080 syz-fuzzer 771 769 771 0 Ss pause 0xfffffe009ee830b0 csh 769 687 769 0 Ss select 0xfffffe0057187640 sshd 753 1 753 0 Ss+ ttyin 0xfffffe00572e0cb0 getty 752 1 752 0 Ss+ ttyin 0xfffffe00584730b0 getty 751 1 751 0 Ss+ ttyin 0xfffffe00584734b0 getty 750 1 750 0 Ss+ ttyin 0xfffffe00584738b0 getty 749 1 749 0 Ss+ ttyin 0xfffffe0058473cb0 getty 748 1 748 0 Ss+ ttyin 0xfffffe00584740b0 getty 747 1 747 0 Ss+ ttyin 0xfffffe00584744b0 getty 746 1 746 0 Ss+ ttyin 0xfffffe00584748b0 getty 745 1 745 0 Ss+ ttyin 0xfffffe0058474cb0 getty 691 1 691 0 Ss nanslp 0xffffffff83e4f140 cron 687 1 687 0 Ss select 0xfffffe00576f1a40 sshd 500 1 500 0 Ss select 0xfffffe00571879c0 syslogd 429 1 429 0 Ss select 0xfffffe0057187a40 devd 428 1 428 65 Ss select 0xfffffe00571878c0 dhclient 343 1 343 0 Ss select 0xfffffe0057187940 dhclient 340 1 340 0 Ss select 0xfffffe0057187bc0 dhclient 16 0 0 0 DL vlruwt 0xfffffe0053de9a90 [vnlru] 15 0 0 0 DL syncer 0xffffffff83f74940 [syncer] 9 0 0 0 DL (threaded) [bufdaemon] 100078 D qsleep 0xffffffff83f72f60 [bufdaemon] 100081 D - 0xffffffff83211f80 [bufspacedaemon-0] 100092 D sdflush 0xfffffe0056e500e8 [/ worker] 8 0 0 0 DL psleep 0xffffffff83fa6400 [vmdaemon] 7 0 0 0 DL (threaded) [pagedaemon] 100076 D psleep 0xffffffff83f9a2b8 [dom0] 100082 D launds 0xffffffff83f9a2c4 [laundry: dom0] 100083 D umarcl 0xffffffff81e7c450 [uma] 6 0 0 0 RL [rand_harvestq] 5 0 0 0 DL waiting 0xffffffff84a4d140 [sctp_iterator] 4 0 0 0 DL pftm 0xffffffff84722320 [pf purge] 3 0 0 0 DL (threaded) [cam] 100045 D - 0xffffffff83a95e40 [doneq0] 100046 D - 0xffffffff83a95dc0 [async] 100075 D - 0xffffffff83a95c40 [scanner] 14 0 0 0 DL seqstat 0xfffffe0056cd9888 [sequencer 00] 2 0 0 0 DL (threaded) [crypto] 100041 D crypto_ 0xffffffff83f95b00 [crypto] 100042 D crypto_ 0xfffffe0053c97630 [crypto returns 0] 100043 D crypto_ 0xfffffe0053c97680 [crypto returns 1] 13 0 0 0 DL (threaded) [geom] 100036 D - 0xffffffff83e24880 [g_event] 100037 D - 0xffffffff83e248a0 [g_up] 100038 D - 0xffffffff83e248c0 [g_down] 12 0 0 0 RL (threaded) [intr] 100012 I [swi6: task queue] 100013 I [swi6: Giant taskq] 100019 I [swi5: fast taskq] 100029 I [swi3: vm] 100030 Run CPU 1 [swi1: netisr 0] 100031 Run CPU 0 [swi4: clock (0)] 100032 I [swi4: clock (1)] 100033 I [swi1: hpts] 100034 I [swi1: hpts] 100047 I [irq24: virtio_pci0] 100048 I [irq25: virtio_pci0] 100049 I [irq26: virtio_pci0] 100050 I [irq27: virtio_pci0] 100051 I [irq28: virtio_pci1] 100052 I [irq29: virtio_pci1] 100053 I [irq30: virtio_pci1] 100054 I [irq31: virtio_pci1] 100055 I [irq32: virtio_pci1] 100060 I [irq10: virtio_pci2] 100062 I [irq1: atkbd0] 100063 I [irq12: psm0] 100064 I [swi0: uart uart++] 100068 I [swi1: pf send] 11 0 0 0 RL (threaded) [idle] 100003 CanRun [idle: cpu0] 100004 CanRun [idle: cpu1] 1 0 1 0 SLs wait 0xfffffe0053de9000 [init] 10 0 0 0 DL audit_w 0xffffffff83f965e0 [audit] 0 0 0 0 DLs (threaded) [kernel] 100000 D swapin 0xffffffff83e252e0 [swapper] 100005 D - 0xfffffe0053c98700 [if_config_tqg_0] 100006 D - 0xfffffe0053c98600 [softirq_0] 100007 D - 0xfffffe0053c98500 [softirq_1] 100008 D - 0xfffffe0053c98400 [if_io_tqg_0] 100009 D - 0xfffffe0053c98300 [if_io_tqg_1] 100010 D - 0xfffffe0053c9e600 [kqueue_ctx taskq] 100011 D - 0xfffffe0053c9e400 [linuxkpi_irq_wq] 100014 D - 0xfffffe0053c9dd00 [aiod_kick taskq] 100015 D - 0xfffffe0053c9db00 [inm_free taskq] 100016 D - 0xfffffe0053c9d900 [in6m_free taskq] 100017 D - 0xfffffe0053c9d700 [deferred_unmount ta] 100018 D - 0xfffffe0053c9d500 [thread taskq] 100020 D - 0xfffffe0053c9d100 [pci_hp taskq] 100021 D - 0xfffffe0053c9ce00 [linuxkpi_short_wq_0] 100022 D - 0xfffffe0053c9ce00 [linuxkpi_short_wq_1] 100023 D - 0xfffffe0053c9ce00 [linuxkpi_short_wq_2] 100024 D - 0xfffffe0053c9ce00 [linuxkpi_short_wq_3] 100025 D - 0xfffffe0053c9c900 [linuxkpi_long_wq_0] 100026 D - 0xfffffe0053c9c900 [linuxkpi_long_wq_1] 100027 D - 0xfffffe0053c9c900 [linuxkpi_long_wq_2] 100028 D - 0xfffffe0053c9c900 [linuxkpi_long_wq_3] 100035 D - 0xfffffe0053c9bd00 [firmware taskq] 100039 D - 0xfffffe0053c9b700 [crypto_0] 100040 D - 0xfffffe0053c9b700 [crypto_1] 100056 D - 0xfffffe0053c9fa00 [vtnet0 rxq 0] 100057 D - 0xfffffe0053c9f900 [vtnet0 txq 0] 100058 D - 0xfffffe0053c9f800 [vtnet0 rxq 1] 100059 D - 0xfffffe0053c9f700 [vtnet0 txq 1] 100061 D vtbslp 0xfffffe00571b7900 [virtio_balloon] 100065 D - 0xfffffe00572b8b00 [mca taskq] 100066 D - 0xffffffff82b8d480 [deadlkres] 100071 D - 0xfffffe00576f7e00 [acpi_task_0] 100072 D - 0xfffffe00576f7e00 [acpi_task_1] 100073 D - 0xfffffe00576f7e00 [acpi_task_2] 100074 D - 0xfffffe0056df5300 [CAM taskq] db> show all locks Process 10813 (syz-executor.2) thread 0xfffffe00a6442ac0 (116673) exclusive sleep mutex umtxql (umtxql) r = 0 (0xffffffff83e75250) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_umtx.c:1246 Process 12 (intr) thread 0xfffffe0053ea6560 (100031) exclusive sleep mutex sctp-send-tcb (tcbs) r = 0 (0xfffffe00a432b8d0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:4693 exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00a432b8b0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctputil.c:1770 db> show malloc Type InUse MemUse Requests pf_hash 5 11524K 5 devbuf 4213 4323K 4241 tcp_hpts 6 3201K 6 sysctloid 34990 2061K 35061 vtbuf 24 1968K 46 kobj 326 1304K 485 pcb 478 1028K 26139 newblk 9 1026K 27584 vfscache 3 1025K 3 filedesc 118 938K 19617 inodedep 50 531K 11123 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 subproc 244 505K 10955 intr 4 472K 4 vmem 3 274K 5 sctp_stro 223 223K 4996 acpica 1674 184K 55619 sctp_atcl 480 180K 17275 vnet_data 1 168K 1 tidhash 3 141K 3 linker 346 133K 374 pagedep 9 130K 10134 tfo_ccache 1 128K 1 DEVFS1 108 108K 125 sem 4 106K 4 BPF 46 88K 46 bus 986 80K 3480 mtx_pool 2 72K 2 syncache 1 68K 1 acpitask 1 64K 1 ddb_capture 1 64K 1 module 509 64K 509 umtx 484 61K 484 kdtrace 325 60K 28644 temp 34 33K 3496 hostcache 1 32K 1 shm 1 32K 63 DEVFS3 127 32K 137 sctp_atky 721 32K 22997 msg 4 30K 4 gtaskqueue 18 26K 18 kbdmux 6 22K 6 ifaddr 71 21K 73 DEVFS_RULE 56 20K 56 ufs_mount 4 17K 5 proc 3 17K 3 sctp_timw 64 16K 64 tty 16 16K 16 routetbl 137 16K 1073 ithread 99 16K 99 sctp_stri 30 15K 1089 lltable 48 15K 350 bus-sc 34 15K 1691 ether_multi 157 13K 202 KTRACE 100 13K 122 ifnet 7 13K 7 ksem 24 12K 294 kenv 95 12K 95 eventhandler 133 12K 133 dirrem 41 11K 10580 CAM queue 5 11K 1528 GEOM 61 10K 490 rman 84 10K 425 kqueue 116 10K 10876 in6_multi 71 9K 71 bmsafemap 2 9K 11053 UART 12 9K 12 devstat 4 9K 4 rpc 2 8K 2 shmfd 1 8K 56 pfs_vncache 1 8K 1 sctp_athm 480 8K 17790 pfs_nodes 20 8K 20 audit_evclass 237 8K 295 pwddesc 114 8K 10953 sctp_map 446 7K 9868 cred 27 7K 464 taskqueue 63 7K 63 DEVFSP 100 7K 1667 sglist 5 7K 5 CAM DEV 3 6K 510 plimit 24 6K 660 pf_osfp 53 6K 53 lockf 47 6K 373 freefile 38 5K 10446 ufs_dirhash 24 5K 24 pf_ifnet 11 5K 296 session 35 5K 67 UMA 268 5K 268 proc-args 142 5K 12216 vt 11 5K 11 memdesc 1 4K 1 MCA 32 4K 32 evdev 4 4K 4 kcovinfo 64 4K 68 acpisem 28 4K 28 selfd 55 4K 136611 hhook 15 4K 17 ip6opt 20 3K 107 terminal 11 3K 11 select 19 3K 1115 uidinfo 4 3K 67 local_apic 1 2K 1 io_apic 1 2K 1 fpukern_ctx 2 2K 2 ipsec-saq 2 2K 2 ip6ndp 12 2K 15 CC Mem 30 2K 3511 sctp_ifa 14 2K 15 Unitno 31 2K 209 CAM XPT 22 2K 543 in_multi 6 2K 15 inpcbpolicy 46 2K 8444 xform 22 2K 2667 ipsecpolicy 2 2K 2 acpidev 20 2K 20 msi 9 2K 9 clone 9 2K 9 tun 7 2K 7 freework 5 2K 16570 softdep 1 1K 1 mkdir 8 1K 19838 freeblks 4 1K 10699 sahead 1 1K 1 secasvar 1 1K 1 nhops 6 1K 8 vnodemarker 2 1K 890 NFSD session 1 1K 1 sctp_aadr 15 1K 50 CAM periph 4 1K 271 osd 34 1K 3437 sctp_ifn 6 1K 15 ipsec 3 1K 3 mld 6 1K 6 igmp 6 1K 6 toponodes 6 1K 6 isadev 6 1K 6 mount 16 1K 89 pci_link 10 1K 10 crypto 4 1K 682 encap_export_host 12 1K 12 procdesc 5 1K 18 newdirblk 4 1K 9919 diradd 4 1K 10622 pfil 4 1K 4 cdev 2 1K 2 chacha20random 1 1K 1 iov 5 1K 23769 tcp_fsb 8 1K 762 NFSD lckfile 1 1K 1 NFSD V4client 1 1K 1 DEVFS 9 1K 10 vnodes 1 1K 1 CAM SIM 2 1K 2 feeder 7 1K 7 frag6 2 1K 6 tcpfunc 3 1K 3 loginclass 3 1K 6 prison 6 1K 6 lkpikmalloc 5 1K 6 soname 8 1K 17032 aesni_data 2 1K 2 nexusdev 8 1K 8 apmdev 1 1K 1 atkbddev 2 1K 2 CAM dev queue 2 1K 2 CAM I/O Scheduler 1 1K 1 CAM path 4 1K 1034 pmchooks 1 1K 1 filecaps 5 1K 125 sctp_vrf 1 1K 1 ip_msource 1 1K 1 vnet 1 1K 1 entropy 2 1K 49 acpiintr 1 1K 1 pmc 1 1K 1 cpus 2 1K 2 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 p1003.1b 1 1K 1 sctp_mcore 0 0K 0 sctp_socko 0 0K 7740 sctp_iter 0 0K 34 sctp_mvrf 0 0K 0 sctp_cpal 0 0K 23 sctp_cmsg 0 0K 0 sctp_stre 0 0K 0 sctp_athi 0 0K 0 sctp_a_it 0 0K 11 mqdata 0 0K 0 pf_table 0 0K 161 pf_rule 0 0K 415 pf_altq 0 0K 0 pf_temp 0 0K 0 NFSD rollback 0 0K 0 NFSCL diroff 0 0K 0 madt_table 0 0K 2 smartpqi 0 0K 0 NEWdirectio 0 0K 0 NEWNFSnode 0 0K 0 NFSCL lck 0 0K 0 NFSCL lckown 0 0K 0 NFSCL client 0 0K 0 NFSCL deleg 0 0K 0 NFSCL open 0 0K 0 NFSCL owner 0 0K 0 iavf 0 0K 0 ixl 0 0K 0 NFS fh 0 0K 0 NFS req 0 0K 0 NFSD usrgroup 0 0K 0 NFSD string 0 0K 0 NFSD V4lock 0 0K 0 NFSD V4state 0 0K 0 ice-resmgr 0 0K 0 ice-osdep 0 0K 0 ice 0 0K 0 axgbe 0 0K 0 NFSD srvcache 0 0K 0 msdosfs_fat 0 0K 0 msdosfs_mount 0 0K 0 msdosfs_node 0 0K 0 DEVFS4 0 0K 0 xen_intr 0 0K 0 DEVFS2 0 0K 0 xen_hvm 0 0K 0 legacydrv 0 0K 0 qpidrv 0 0K 0 gntdev 0 0K 0 privcmd_dev 0 0K 0 dmar_idpgtbl 0 0K 0 dmar_dom 0 0K 0 dmar_ctx 0 0K 0 evtchn_dev 0 0K 0 xenstore 0 0K 0 ciss_data 0 0K 0 isci 0 0K 0 iommu_dmamap 0 0K 0 BACKLIGHT 0 0K 0 hyperv_socket 0 0K 0 bxe_ilt 0 0K 0 xnb 0 0K 0 xenbus 0 0K 0 xbbd 0 0K 0 xbd 0 0K 0 Balloon 0 0K 0 vm_fictitious 0 0K 0 sysmouse 0 0K 0 vtfont 0 0K 0 ath_hal 0 0K 0 athdev 0 0K 0 ata_pci 0 0K 0 ata_dma 0 0K 0 ata_generic 0 0K 0 amr 0 0K 0 pvscsi 0 0K 0 UMAHash 0 0K 0 scsi_da 0 0K 69 vm_pgdata 0 0K 0 jblocks 0 0K 0 savedino 0 0K 10652 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 439 jsegdep 0 0K 0 jseg 0 0K 0 jfreefrag 0 0K 0 jfreeblk 0 0K 0 jnewblk 0 0K 0 jmvref 0 0K 0 jremref 0 0K 0 jaddref 0 0K 0 freedep 0 0K 0 freefrag 0 0K 11 allocindir 0 0K 0 indirdep 0 0K 8553 allocdirect 0 0K 0 ufs_trim 0 0K 0 mactemp 0 0K 0 audit_trigger 0 0K 0 audit_pipe_presel 0 0K 0 audit_pipeent 0 0K 0 audit_pipe 0 0K 0 audit_evname 0 0K 0 audit_bsm 0 0K 0 audit_gidset 0 0K 0 audit_text 0 0K 0 audit_path 0 0K 0 audit_data 0 0K 0 audit_cred 0 0K 0 ata_da 0 0K 0 scsi_ch 0 0K 0 scsi_cd 0 0K 0 AHCI driver 0 0K 0 USBdev 0 0K 0 USB 0 0K 0 agp 0 0K 0 ktls_ocf 0 0K 0 nvme_da 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5E_TLS 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EN 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 MLX5DUMP 0 0K 0 MLX5EEPROM 0 0K 0 MLX5EEPROM 0 0K 0 seq_file 0 0K 0 radix 0 0K 0 idr 0 0K 0 lkpifw 0 0K 0 NLM 0 0K 0 ipsec-spdcache 0 0K 0 ipsec-reg 0 0K 0 ipsec-misc 0 0K 0 ipsecrequest 0 0K 0 ip6_msource 0 0K 0 ip6_moptions 0 0K 4 in6_mfilter 0 0K 0 tcplog 0 0K 0 tcp_hwpace 0 0K 0 acpipwr 0 0K 0 LRO 0 0K 0 ip_moptions 0 0K 36 in_mfilter 0 0K 28 ipid 0 0K 0 80211scan 0 0K 0 80211ratectl 0 0K 0 80211power 0 0K 0 80211nodeie 0 0K 0 80211node 0 0K 0 80211mesh_gt 0 0K 0 80211mesh_rt 0 0K 0 80211perr 0 0K 0 80211prep 0 0K 0 80211preq 0 0K 0 80211dfs 0 0K 0 80211crypto 0 0K 0 80211vap 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ioctlops 0 0K 2173 eventfd 0 0K 23 Witness 0 0K 0 stack 0 0K 0 MPSSAS 0 0K 0 mps 0 0K 0 mpr_user 0 0K 0 MPRSAS 0 0K 0 mpr 0 0K 0 mfibuf 0 0K 0 sbuf 0 0K 298 md_sectors 0 0K 0 firmware 0 0K 0 compressor 0 0K 0 md_disk 0 0K 0 SWAP 0 0K 0 malodev 0 0K 0 LED 0 0K 0 sysctltmp 0 0K 931 sysctl 0 0K 3 ekcd 0 0K 0 dumper 0 0K 0 sendfile 0 0K 0 rctl 0 0K 0 ix_sriov 0 0K 0 aacraidcam 0 0K 0 aacraid_buf 0 0K 0 ix 0 0K 0 ipsbuf 0 0K 0 cache 0 0K 0 iirbuf 0 0K 0 prison_racct 0 0K 0 Fail Points 0 0K 0 sigio 0 0K 14 filedesc_to_leader 0 0K 0 pwd 0 0K 0 tty console 0 0K 0 aaccam 0 0K 0 aacbuf 0 0K 0 zstd 0 0K 0 XZ_DEC 0 0K 0 nvlist 0 0K 0 SCSI ENC 0 0K 0 SCSI sa 0 0K 0 scsi_pass 0 0K 0 isofs_node 0 0K 0 isofs_mount 0 0K 0 tr_raid5_data 0 0K 0 tr_raid1e_data 0 0K 0 tr_raid1_data 0 0K 0 tr_raid0_data 0 0K 0 tr_concat_data 0 0K 0 md_sii_data 0 0K 0 md_promise_data 0 0K 0 md_nvidia_data 0 0K 0 md_jmicron_data 0 0K 0 md_intel_data 0 0K 0 md_ddf_data 0 0K 0 raid_data 0 0K 72 geom_flashmap 0 0K 0 tmpfs dir 0 0K 0 tmpfs name 0 0K 0 tmpfs mount 0 0K 0 NFS FHA 0 0K 0 newnfsmnt 0 0K 0 newnfsclient_req 0 0K 0 NFSCL layrecall 0 0K 0 NFSCL session 0 0K 0 NFSCL sockreq 0 0K 0 NFSCL devinfo 0 0K 0 NFSCL flayout 0 0K 0 NFSCL layout 0 0K 0 db> show uma Zone Size Used Free Requests Sleeps Bucket Total Mem XFree mbuf_jumbo_page 4096 8322 3362 117459 0 254 47857664 0 tcp_log 416 0 20322 790527 0 254 8453952 0 mbuf 256 10071 5937 2158135 0 254 4098048 0 pbuf 2624 0 957 0 0 2 2511168 0 ertt_txseginfo 40 45414 15388 1449553 0 254 2432080 0 RADIX NODE 144 10424 1863 349046 0 62 1769328 0 BUF TRIE 144 432 11356 32492 0 62 1697472 0 malloc-384 384 4206 54 4237 0 30 1635840 0 mbuf_cluster 2048 762 0 762 0 254 1560576 0 malloc-128 128 11816 181 12388 0 126 1535616 0 UMA Slabs 0 112 13553 13 13553 0 126 1519392 0 vmem btag 56 24902 121 24904 0 254 1401288 0 malloc-4096 4096 338 2 508 0 2 1392640 0 sctp_asoc 2288 223 287 4924 0 254 1166880 0 malloc-16384 16384 60 4 9815 0 1 1048576 0 tcp_bbr_map 128 3324 3620 502822 0 126 888832 0 256 Bucket 2048 365 29 10356 0 8 806912 0 FFS inode 1160 594 36 11040 0 8 730800 0 sctp_ep 1272 227 283 11741 0 254 648720 0 malloc-2048 2048 218 78 11742 0 8 606208 0 VM OBJECT 264 2054 76 162787 0 30 562320 0 tcpcb 1096 30 481 3426 0 254 560056 0 malloc-4096 4096 116 4 12003 0 2 491520 0 socket 960 73 435 21967 0 254 487680 0 malloc-65536 65536 2 5 119 0 1 458752 0 MAP ENTRY 96 4375 287 648655 0 126 447552 0 THREAD 1808 210 32 17828 0 8 437536 0 lkpimm 168 1 2327 1 0 62 391104 0 lkpicurr 168 2 2326 2 0 62 391104 0 sctp_chunk 152 693 1855 17499 0 254 387296 0 sctp_raddr 736 240 277 5463 0 254 380512 0 malloc-256 256 65 1300 28444 0 62 349440 0 VNODE 448 633 123 11081 0 30 338688 0 malloc-1024 1024 229 91 5019 0 16 327680 0 malloc-64 64 4390 461 15389 0 254 310464 0 malloc-32768 32768 1 8 70 0 1 294912 0 malloc-384 384 505 185 17602 0 30 264960 0 malloc-65536 65536 4 0 4 0 1 262144 0 VMSPACE 2552 89 13 10787 0 4 260304 0 ripcb 496 5 507 365 0 254 253952 0 udplite_inpcb 496 0 512 4097 0 254 253952 0 tcp_inpcb 496 30 482 3426 0 254 253952 0 udp_inpcb 496 11 501 556 0 254 253952 0 malloc-16 16 14651 349 15934 0 254 240000 0 malloc-32768 32768 0 7 7896 0 1 229376 0 DEVCTL 1024 0 220 155 0 0 225280 0 FPU_save_area 832 212 49 19775 0 16 217152 0 malloc-65536 65536 3 0 3 0 1 196608 0 malloc-384 384 49 461 11129 0 30 195840 0 mbuf_packet 256 120 642 48260 0 254 195072 0 FFS2 dinode 256 594 156 11040 0 62 192000 0 malloc-256 256 203 547 11762 0 62 192000 0 malloc-256 256 279 471 22332 0 62 192000 0 UMA Zones 768 240 4 240 0 16 187392 0 malloc-32 32 5351 319 6116 0 254 181440 0 malloc-128 128 1056 339 23263 0 126 178560 0 malloc-128 128 1171 224 26041 0 126 178560 0 PROC 1352 113 16 10814 0 8 174408 0 S VFS Cache 104 1066 455 11948 0 126 158184 0 128 Bucket 1024 102 45 4653 0 16 150528 0 filedesc0 1072 114 26 10953 0 8 150080 0 malloc-1024 1024 120 24 143 0 16 147456 0 malloc-65536 65536 0 2 10 0 1 131072 0 malloc-65536 65536 0 2 438 0 1 131072 0 malloc-65536 65536 0 2 144 0 1 131072 0 unpcb 256 20 490 1716 0 254 130560 0 clpbuf 2624 0 48 3799 0 16 125952 0 malloc-4096 4096 27 3 43 0 2 122880 0 64 Bucket 512 148 84 14987 0 30 118784 0 ksiginfo 112 119 925 2204 0 126 116928 0 malloc-256 256 305 130 30518 0 62 111360 0 malloc-128 128 195 580 11958 0 126 99200 0 malloc-32768 32768 1 2 131 0 1 98304 0 UMA Kegs 384 226 7 226 0 30 89472 0 g_bio 408 0 210 174695 0 30 85680 0 malloc-256 256 47 268 28487 0 62 80640 0 sctp_readq 152 0 520 622 0 254 79040 0 malloc-384 384 151 29 578 0 30 69120 0 malloc-64 64 680 391 16020 0 254 68544 0 malloc-32768 32768 0 2 5 0 1 65536 0 malloc-2048 2048 4 28 2317 0 8 65536 0 32 Bucket 256 92 163 5317 0 62 65280 0 sctp_stream_msg_out 112 83 457 1369 0 254 60480 0 tcp_bbr_pcb 832 26 46 1800 0 16 59904 0 malloc-8192 8192 5 2 7 0 1 57344 0 malloc-8192 8192 5 2 106 0 1 57344 0 malloc-64 64 359 460 20034 0 254 52416 0 malloc-64 64 276 543 11707 0 254 52416 0 Files 80 343 307 45472 0 126 52000 0 malloc-128 128 107 296 10740 0 126 51584 0 malloc-128 128 203 200 694 0 126 51584 0 malloc-256 256 89 106 2281 0 62 49920 0 malloc-256 256 87 108 1091 0 62 49920 0 malloc-256 256 9 186 10136 0 62 49920 0 DIRHASH 1024 34 14 34 0 16 49152 0 NAMEI 1024 0 48 62071 0 16 49152 0 malloc-16384 16384 1 2 9 0 1 49152 0 malloc-16384 16384 3 0 3 0 1 49152 0 malloc-8192 8192 3 3 31 0 1 49152 0 malloc-2048 2048 13 11 31 0 8 49152 0 malloc-2048 2048 5 19 544 0 8 49152 0 malloc-1024 1024 5 43 2021 0 16 49152 0 malloc-512 512 30 66 1089 0 30 49152 0 da_ccb 544 0 84 50815 0 16 45696 0 pcpu-8 8 4731 901 12669 0 254 45056 0 syncache 168 0 264 4 0 254 44352 0 TURNSTILE 136 243 72 243 0 62 42840 0 malloc-8192 8192 5 0 5 0 1 40960 0 pipe 744 23 27 864 0 16 37200 0 hostcache 64 3 564 3 0 254 36288 0 malloc-64 64 125 442 2293 0 254 36288 0 malloc-64 64 327 240 142872 0 254 36288 0 malloc-64 64 13 554 2475 0 254 36288 0 malloc-64 64 62 505 88 0 254 36288 0 malloc-32 32 522 612 27047 0 254 36288 0 16 Bucket 144 126 126 2735 0 62 36288 0 malloc-128 128 34 245 10629 0 126 35712 0 malloc-128 128 40 239 4132 0 126 35712 0 routing nhops 256 27 108 35 0 62 34560 0 ttyoutq 256 72 63 160 0 62 34560 0 SLEEPQUEUE 88 243 141 243 0 126 33792 0 malloc-32768 32768 1 0 1 0 1 32768 0 malloc-16384 16384 2 0 16 0 1 32768 0 malloc-16384 16384 0 2 160 0 1 32768 0 malloc-4096 4096 4 4 36 0 2 32768 0 malloc-4096 4096 4 4 8 0 2 32768 0 malloc-2048 2048 2 14 175 0 8 32768 0 malloc-2048 2048 5 11 10 0 8 32768 0 malloc-2048 2048 2 14 2 0 8 32768 0 malloc-2048 2048 3 13 499 0 8 32768 0 malloc-1024 1024 3 29 43 0 16 32768 0 malloc-1024 1024 7 25 192 0 16 32768 0 malloc-1024 1024 14 18 14 0 16 32768 0 malloc-1024 1024 16 16 91 0 16 32768 0 malloc-512 512 1 63 119 0 30 32768 0 malloc-512 512 11 53 11 0 30 32768 0 malloc-512 512 0 64 23 0 30 32768 0 malloc-512 512 8 56 8 0 30 32768 0 malloc-512 512 2 62 922 0 30 32768 0 pcpu-64 64 481 31 481 0 254 32768 0 tcp_rack_pcb 896 0 36 754 0 16 32256 0 KNOTE 160 28 172 88236 0 62 32000 0 ttyinq 160 135 65 300 0 62 32000 0 8 Bucket 80 58 342 2747 0 126 32000 0 tcp_rack_map 120 0 264 1618 0 126 31680 0 cpuset 104 9 270 997 0 126 29016 0 pf tags 104 0 273 23 0 126 28392 0 sctp_laddr 48 180 408 4557 0 254 28224 0 PWD 32 68 814 9885 0 254 28224 0 malloc-32 32 413 469 6682 0 254 28224 0 4 Bucket 48 6 582 247 0 254 28224 0 2 Bucket 32 69 813 2608 0 254 28224 0 malloc-16 16 963 787 36764 0 254 28000 0 AIO 208 0 133 60 0 62 27664 0 malloc-8192 8192 3 0 3 0 1 24576 0 malloc-4096 4096 1 5 10148 0 2 24576 0 rtentry 176 31 107 35 0 62 24288 0 PGRP 88 35 241 67 0 126 24288 0 rl_entry 40 126 480 126 0 254 24240 0 itimer 352 0 66 11 0 30 23232 0 malloc-384 384 3 57 348 0 30 23040 0 malloc-384 384 24 36 78 0 30 23040 0 domainset 40 0 567 907 0 254 22680 0 udpcb 32 11 619 4653 0 254 20160 0 ertt 72 30 250 3426 0 126 20160 0 malloc-32 32 77 553 8832 0 254 20160 0 malloc-32 32 150 480 1935 0 254 20160 0 malloc-32 32 10 620 178 0 254 20160 0 malloc-32 32 64 566 254 0 254 20160 0 malloc-32 32 26 604 2732 0 254 20160 0 cryptop 280 0 70 139 0 30 19600 0 AIOCB 552 0 35 93 0 16 19320 0 Mountpoints 2752 2 5 2 0 4 19264 0 AIOLIO 272 0 70 5 0 30 19040 0 epoch_record pcpu 256 4 60 4 0 62 16384 0 malloc-8192 8192 2 0 2 0 1 16384 0 malloc-8192 8192 2 0 2 0 1 16384 0 malloc-1024 1024 1 15 1 0 16 16384 0 malloc-512 512 4 28 124 0 30 16384 0 SMR CPU 32 3 508 3 0 254 16352 0 sctp_asconf_ack 48 0 336 10 0 254 16128 0 vtnet_tx_hdr 24 1 667 516600 0 254 16032 0 kenv 258 15 45 1046 0 30 15480 0 mqnode 416 3 33 3 0 30 14976 0 vmem 1856 1 7 1 0 8 14848 0 SMR SHARED 24 3 508 3 0 254 12264 0 AIOP 32 4 374 4 0 254 12096 0 malloc-16 16 101 649 11932 0 254 12000 0 malloc-16 16 56 694 11636 0 254 12000 0 malloc-16 16 44 706 391 0 254 12000 0 malloc-16 16 15 735 15 0 254 12000 0 malloc-16 16 276 474 316 0 254 12000 0 malloc-16 16 24 726 25290 0 254 12000 0 malloc-384 384 3 27 3 0 30 11520 0 malloc-4096 4096 1 1 3 0 2 8192 0 pcpu-16 16 7 249 7 0 254 4096 0 UMA Slabs 1 176 10 12 10 0 62 3872 0 KMAP ENTRY 96 12 27 14 0 0 3744 0 FFS1 dinode 128 0 0 0 0 126 0 0 ada_ccb 272 0 0 0 0 30 0 0 swblk 136 0 0 0 0 62 0 0 swpctrie 144 0 0 0 0 62 0 0 cdg_qdiffsample 16 0 0 0 0 254 0 0 sctp_asconf 40 0 0 0 0 254 0 0 pf state scrubs 40 0 0 0 0 254 0 0 pf frag entries 40 0 0 0 0 254 0 0 pf frags 248 0 0 0 0 62 0 0 pf table entries 160 0 0 0 0 62 0 0 pf table entry counters 64 0 0 0 0 254 0 0 pf source nodes 136 0 0 0 0 254 0 0 pf state keys 88 0 0 0 0 126 0 0 pf states 312 0 0 0 0 254 0 0 pf mtags 48 0 0 0 0 254 0 0 IPsec SA lft_c 16 0 0 0 0 254 0 0 tcp_log_node 120 0 0 0 0 126 0 0 tcp_log_bucket 176 0 0 0 0 62 0 0 tcpreass 48 0 0 0 0 254 0 0 tfo_ccache_entries 80 0 0 0 0 126 0 0 tfo 4 0 0 0 0 254 0 0 sackhole 32 0 0 0 0 254 0 0 tcptw 88 0 0 0 0 254 0 0 ipq 56 0 0 0 0 254 0 0 mqnotifier 216 0 0 0 0 62 0 0 mvdata 64 0 0 0 0 254 0 0 mqueue 248 0 0 0 0 62 0 0 TMPFS node 224 0 0 0 0 62 0 0 NCLNODE 608 0 0 0 0 16 0 0 LTS VFS Cache 360 0 0 0 0 30 0 0 L VFS Cache 320 0 0 0 0 30 0 0 STS VFS Cache 144 0 0 0 0 62 0 0 linux_dma_object 32 0 0 0 0 254 0 0 linux_dma_pctrie 144 0 0 0 0 62 0 0 IOMMU_MAP_ENTRY 120 0 0 0 0 126 0 0 mbuf_jumbo_16k 16384 0 0 0 0 254 0 0 mbuf_jumbo_9k 9216 0 0 0 0 254 0 0 audit_record 1280 0 0 0 0 8 0 0 MAC labels 40 0 0 0 0 254 0 0 vnpbuf 2624 0 0 0 0 64 0 0 mdpbuf 2624 0 0 0 0 3 0 0 nfspbuf 2624 0 0 0 0 16 0 0 swwbuf 2624 0 0 0 0 8 0 0 swrbuf 2624 0 0 0 0 16 0 0 umtx_shm 88 0 0 0 0 126 0 0 umtx pi 96 0 0 0 0 126 0 0 rangeset pctrie nodes 144 0 0 0 0 62 0 0 malloc-65536 65536 0 0 0 0 1 0 0 malloc-65536 65536 0 0 0 0 1 0 0 malloc-32768 32768 0 0 0 0 1 0 0 malloc-32768 32768 0 0 0 0 1 0 0 malloc-32768 32768 0 0 0 0 1 0 0 malloc-16384 16384 0 0 0 0 1 0 0 malloc-16384 16384 0 0 0 0 1 0 0 malloc-16384 16384 0 0 0 0 1 0 0 malloc-8192 8192 0 0 0 0 1 0 0 malloc-4096 4096 0 0 0 0 2 0 0 malloc-512 512 0 0 0 0 30 0 0 malloc-384 384 0 0 0 0 30 0 0 pcpu-32 32 0 0 0 0 254 0 0 pcpu-4 4 0 0 0 0 254 0 0 fakepg 104 0 0 0 0 126 0 0 UMA Hash 256 0 0 0 0 62 0 0