panic: starting DAD on non-tentative address ADDR
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syzbot
Jul 10, 2025, 8:26:32 PMJul 10
to syzkaller-f...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: e8019a159185 cross-build: provide exterr.h and sys/exterrv..
git tree: freebsd-src
console output: https://syzkaller.appspot.com/x/log.txt?x=110220f0580000
dashboard link: https://syzkaller.appspot.com/bug?extid=b73e5a9e1b091e42fab8
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b73e5a...@syzkaller.appspotmail.com
panic: starting DAD on non-tentative address 0xfffffe0059534c00
cpuid = 0
time = 180
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe00571e5e50
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe00571e5fb0
vpanic() at vpanic+0x257/frame 0xfffffe00571e6170
panic() at panic+0xb5/frame 0xfffffe00571e6230
nd6_dad_start() at nd6_dad_start+0x56c/frame 0xfffffe00571e6330
in6_if_up() at in6_if_up+0x14e/frame 0xfffffe00571e63f0
nd6_ioctl() at nd6_ioctl+0x1368/frame 0xfffffe00571e6550
in6_addifaddr() at in6_addifaddr+0xbe6/frame 0xfffffe00571e6770
in6_control_ioctl() at in6_control_ioctl+0x1087/frame 0xfffffe00571e6870
ifioctl() at ifioctl+0xe51/frame 0xfffffe00571e6ab0
kern_ioctl() at kern_ioctl+0x4ca/frame 0xfffffe00571e6b90
sys_ioctl() at sys_ioctl+0x36e/frame 0xfffffe00571e6d10
amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe00571e6f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00571e6f30
--- syscall (54, FreeBSD ELF64, ioctl), rip = 0x825a262ca, rsp = 0x820963868, rbp = 0x8209638b0 ---
KDB: enter: panic
[ thread pid 1392 tid 101157 ]
Stopped at kdb_enter+0x6e: movq $0,0x25c2d27(%rip)
db>
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs 0x20
ds 0x3b
es 0x3b
fs 0x13
gs 0x1b
ss 0
rax 0x12
rcx 0xfffffe0002bf1850
rdx 0
rbx 0xffffffff827bfdc0 .str.27
rsp 0xfffffe00571e5f90
rbp 0xfffffe00571e5fb0
rsi 0
rdi 0xffffffff816128e9 printf+0x149
r8 0
r9 0xffffffff
r10 0x1
r11 0x1f
r12 0xfffffe00541c6000
r13 0xfffffffffffffffe
r14 0xffffffff827bfdc0 .str.27
r15 0
rip 0xffffffff815fc46e kdb_enter+0x6e
rflags 0x46
kdb_enter+0x6e: movq $0,0x25c2d27(%rip)
db> show proc
Process 1392 (ifconfig) at 0xfffffe00540cc5c0:
state: NORMAL
uid: 0 gids: 0, 0, 5
parent: pid 1 at 0xfffffe0007809040
ABI: FreeBSD ELF64
flag: 0x10004000 flag2: 0
arguments: ifconfig tap5 inet6 fe80::05aa
reaper: 0xfffffe0007809040 reapsubtree: 1
sigparent: 20
vmspace: 0xfffffe00540fe248
(map 0xfffffe00540fe248)
(map.pmap 0xfffffe00540fe2e8)
(pmap 0xfffffe00540fe358)
threads: 1
101157 Run CPU 0 ifconfig
db> ps
pid ppid pgrp uid state wmesg wchan cmd
1416 1410 1410 0 R arp
1412 1409 1409 0 D ifnet_d 0xffffffff83cbe600 ifconfig
1411 1403 1403 0 R ifconfig
1410 766 1410 0 S wait 0xfffffe00540e85a0 syz-executor
1409 766 1409 0 S wait 0xfffffe005417b580 syz-executor
1407 1404 1404 0 D ifnet_d 0xffffffff83cbe600 ifconfig
1404 766 1404 0 S wait 0xfffffe005400aac0 syz-executor
1403 766 1403 0 S wait 0xfffffe0054104000 syz-executor
1392 1 1379 0 R CPU 0 ifconfig
1369 1 770 0 SV uwait 0xfffffe0079a94d80 syz-executor
1368 1 770 0 S uwait 0xfffffe0058275480 syz-executor
1366 1 770 0 S uwait 0xfffffe00584fce80 syz-executor
1361 1 1356 0 S uwait 0xfffffe0079a95100 syz-executor
1359 1 1356 0 SV uwait 0xfffffe00077e9e80 syz-executor
1357 1 770 0 S uwait 0xfffffe0079a95000 syz-executor
1353 1 768 0 S uwait 0xfffffe0077ab9400 syz-executor
1348 1 767 0 S uwait 0xfffffe0077abc100 syz-executor
1345 1 770 0 SV uwait 0xfffffe00077e9200 syz-executor
1339 1 768 0 S uwait 0xfffffe00077e9300 syz-executor
1334 1 770 0 S uwait 0xfffffe0077ab9500 syz-executor
1330 1 769 0 S uwait 0xfffffe0077abab80 syz-executor
1329 1 769 0 S uwait 0xfffffe0078b5e780 syz-executor
1323 1 767 0 S uwait 0xfffffe0077aba180 syz-executor
1307 1 770 0 S uwait 0xfffffe0077abc200 syz-executor
1289 1 1289 0 S uwait 0xfffffe0078b5e580 syz-executor
1280 1 768 0 S uwait 0xfffffe0078b60680 syz-executor
1278 1 768 0 S uwait 0xfffffe0078b5e380 syz-executor
1273 1 769 0 S uwait 0xfffffe0078b61000 syz-executor
1272 1 769 0 S uwait 0xfffffe0058275180 syz-executor
1271 1 768 0 S uwait 0xfffffe0077abcc00 syz-executor
1269 1 769 0 S uwait 0xfffffe0078b61100 syz-executor
1259 1 1259 0 Ss+ ttyin 0xfffffe0007a7f0b0 getty
1258 1 1258 0 Ss+ ttyin 0xfffffe0007a7b8b0 getty
1257 1 1257 0 Ss+ ttyin 0xfffffe00586300b0 getty
1256 1 1256 0 Ss+ ttyin 0xfffffe0058630cb0 getty
1255 1 1255 0 Ss+ ttyin 0xfffffe00586308b0 getty
1254 1 1254 0 Ss+ ttyin 0xfffffe00586310b0 getty
1253 1 1253 0 Ss+ ttyin 0xfffffe00586314b0 getty
1252 1 1252 0 Ss+ ttyin 0xfffffe00586304b0 getty
1251 1 1251 0 Ss+ ttyin 0xfffffe005862fcb0 getty
1244 1 1244 0 S uwait 0xfffffe0058277800 syz-executor
1236 1 769 0 S uwait 0xfffffe0078b60480 syz-executor
1202 1 768 0 S uwait 0xfffffe0077aba580 syz-executor
1198 0 0 0 DL mdwait 0xfffffe006e464000 [md4]
1190 1 769 0 S uwait 0xfffffe00077e9880 syz-executor
1185 1 1183 0 S uwait 0xfffffe0058277600 syz-executor
1170 1 768 -1 SV uwait 0xfffffe0058277900 syz-executor
1167 1 769 0 S uwait 0xfffffe0077ab9100 syz-executor
1158 1 768 0 S uwait 0xfffffe0077abac80 syz-executor
1153 1 768 0 S uwait 0xfffffe0058275580 syz-executor
1152 1 767 0 S uwait 0xfffffe0078b61400 syz-executor
1148 1 770 0 S uwait 0xfffffe0077aba980 syz-executor
1146 0 0 0 DL - 0xffffffff83cb0400 [soaiod4]
1145 0 0 0 DL - 0xffffffff83cb0400 [soaiod3]
1144 0 0 0 DL - 0xffffffff83cb0400 [soaiod2]
1143 0 0 0 DL - 0xffffffff83cb0400 [soaiod1]
1135 1134 770 0 S uwait 0xfffffe0077ab9e00 syz-executor
1134 1 770 0 SV uwait 0xfffffe0077ab9d00 syz-executor
1130 1 767 0 S uwait 0xfffffe0058277300 syz-executor
1128 1 769 0 S uwait 0xfffffe0077aba880 syz-executor
1123 1 768 0 S uwait 0xfffffe0058277700 syz-executor
1120 1 769 0 S uwait 0xfffffe0077ab9a00 syz-executor
1118 1 767 0 S uwait 0xfffffe0077ab9c00 syz-executor
1116 1 770 0 S uwait 0xfffffe0077aba280 syz-executor
1107 1 770 0 S uwait 0xfffffe0058274600 syz-executor
1101 1 769 0 S uwait 0xfffffe0058277f00 syz-executor
1099 1 767 0 S uwait 0xfffffe0077abb400 syz-executor
1095 1 767 60929 S uwait 0xfffffe0077abb600 syz-executor
1089 1 769 60928 S uwait 0xfffffe0077abbd80 syz-executor
1084 0 0 0 DL (threaded) [so_splice]
100550 D - 0xfffffe00077e9780 [thr_0]
100589 D - 0xfffffe00077e97c0 [thr_1]
1082 1 768 0 S uwait 0xfffffe0077abb700 syz-executor
1074 0 0 0 DL mdwait 0xfffffe006e52a000 [md3]
1073 0 0 0 DL mdwait 0xfffffe006e529000 [md2]
1067 1 768 0 S uwait 0xfffffe0077abb000 syz-executor
1062 1 767 0 S uwait 0xfffffe0077abae80 syz-executor
1059 1 769 0 S uwait 0xfffffe0077abc000 syz-executor
1057 1 769 0 S uwait 0xfffffe0077abaa80 syz-executor
1047 1046 770 0 S uwait 0xfffffe0077abb980 syz-executor
1046 1 770 0 SV uwait 0xfffffe0077abbb80 syz-executor
1044 1 770 0 S uwait 0xfffffe0058277500 syz-executor
1035 1 1033 0 S uwait 0xfffffe0077abb500 syz-executor
1034 1 1033 0 S uwait 0xfffffe0058277200 syz-executor
1029 1 769 0 S uwait 0xfffffe0058277400 syz-executor
1027 1 768 0 S uwait 0xfffffe0058275e00 syz-executor
1023 1 770 0 S uwait 0xfffffe00584f9e80 syz-executor
1021 1 768 0 S uwait 0xfffffe0058277c00 syz-executor
1014 1 770 0 S uwait 0xfffffe0058274100 syz-executor
1012 1 767 0 S uwait 0xfffffe0077abba80 syz-executor
1009 1 769 0 S uwait 0xfffffe00584f9580 syz-executor
1005 1 769 0 S uwait 0xfffffe0058274000 syz-executor
1003 1 768 0 SV uwait 0xfffffe00584f9680 syz-executor
1002 1 770 0 S uwait 0xfffffe00584f9480 syz-executor
1000 1 768 0 S uwait 0xfffffe00584fa400 syz-executor
997 1 770 0 S uwait 0xfffffe0058277a00 syz-executor
996 1 770 0 S uwait 0xfffffe0058277d00 syz-executor
995 1 770 0 S uwait 0xfffffe0058276680 syz-executor
994 1 768 0 S uwait 0xfffffe00584fa100 syz-executor
989 0 0 0 DL mdwait 0xfffffe006dec0000 [md1]
988 1 770 0 S uwait 0xfffffe00584f9180 syz-executor
977 1 768 0 S uwait 0xfffffe00584f9b80 syz-executor
972 1 767 0 S uwait 0xfffffe00077e9b80 syz-executor
971 1 767 0 S uwait 0xfffffe0058277e00 syz-executor
967 0 0 0 DL mdwait 0xfffffe006e471000 [md0]
960 1 768 0 SV uwait 0xfffffe0058274300 syz-executor
959 1 769 0 S uwait 0xfffffe0058276d80 syz-executor
931 1 770 0 S uwait 0xfffffe0058275380 syz-executor
926 0 0 0 DL (threaded) [KTLS]
100104 D - 0xfffffe0058500900 [thr_0]
100297 D - 0xfffffe0058500980 [thr_1]
100298 D - 0xffffffff83cb1c28 [reclaim_0]
918 1 767 0 S umtxn 0xfffffe00584fb480 syz-executor
908 1 768 0 S uwait 0xfffffe0058275b00 syz-executor
907 1 768 0 S uwait 0xfffffe0058276480 syz-executor
905 904 770 0 S uwait 0xfffffe00077e9d80 syz-executor
904 1 770 0 SV uwait 0xfffffe00077e9c80 syz-executor
899 1 768 0 S uwait 0xfffffe0058274800 syz-executor
897 1 770 0 S uwait 0xfffffe0058274400 syz-executor
894 1 767 0 SV uwait 0xfffffe0058275080 syz-executor
887 1 770 0 S uwait 0xfffffe00584f9c80 syz-executor
884 1 770 0 S uwait 0xfffffe00584f9780 syz-executor
879 1 767 0 S uwait 0xfffffe0058275700 syz-executor
877 1 767 0 S uwait 0xfffffe00077e9a80 syz-executor
874 1 769 0 S uwait 0xfffffe00584fb900 syz-executor
866 1 862 0 S uwait 0xfffffe0058276280 syz-executor
865 1 862 0 S uwait 0xfffffe0058277000 syz-executor
858 1 767 0 S uwait 0xfffffe0058275900 syz-executor
836 1 768 0 S uwait 0xfffffe00584f9d80 syz-executor
819 1 769 0 S uwait 0xfffffe0058275280 syz-executor
814 1 770 0 S uwait 0xfffffe00584fa200 syz-executor
811 0 0 0 DL aiordy 0xfffffe00541065a0 [aiod4]
809 0 0 0 DL aiordy 0xfffffe00540c9ac0 [aiod3]
808 0 0 0 DL aiordy 0xfffffe00540e8040 [aiod2]
807 0 0 0 DL aiordy 0xfffffe00540ca020 [aiod1]
766 764 764 0 S select 0xfffffe000778f2c0 syz-executor
764 758 764 0 Ss sigsusp 0xfffffe00540e9110 csh
758 1 758 0 Ss select 0xfffffe00593fdec0 sshd
16 0 0 0 DL syncer 0xffffffff83cbde20 [syncer]
15 0 0 0 DL vlruwt 0xfffffe0054005060 [vnlru]
14 0 0 0 DL (threaded) [bufdaemon]
100079 D psleep 0xffffffff83cbc360 [bufdaemon]
100082 D - 0xffffffff83001ec0 [bufspacedaemon-0]
100094 D sdflush 0xfffffe00077628e8 [/ worker]
9 0 0 0 DL psleep 0xffffffff83d07280 [vmdaemon]
8 0 0 0 DL (threaded) [pagedaemon]
100077 D psleep 0xffffffff83ced348 [dom0]
100080 D launds 0xffffffff83ced354 [laundry: dom0]
100081 D umarcl 0xffffffff81dde890 [uma]
7 0 0 0 DL - 0xffffffff83918cd0 [rand_harvestq]
6 0 0 0 DL pftm 0xffffffff844d39e0 [pf purge]
5 0 0 0 DL waiting 0xffffffff84801700 [sctp_iterator]
4 0 0 0 DL (threaded) [cam]
100045 D - 0xffffffff838e3340 [doneq0]
100046 D - 0xffffffff838e32c0 [async]
100075 D - 0xffffffff838e3140 [scanner]
3 0 0 0 DL (threaded) [crypto]
100042 D crypto_ 0xffffffff83ce8c00 [crypto]
100043 D crypto_ 0xfffffe0057d73030 [crypto returns 0]
100044 D crypto_ 0xfffffe0057d73080 [crypto returns 1]
13 0 0 0 DL (threaded) [geom]
100037 D - 0xffffffff83b48d00 [g_event]
100038 D - 0xffffffff83b48d20 [g_up]
100039 D - 0xffffffff83b48d40 [g_down]
2 0 0 0 RL (threaded) [clock]
100031 Run CPU 1 [clock (0)]
100032 I [clock (1)]
12 0 0 0 WL (threaded) [intr]
100013 I [swi6: task queue]
100014 I [swi6: Giant taskq]
100016 I [swi5: fast taskq]
100033 I [swi1: netisr 0]
100034 I [swi1: hpts]
100035 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 0xfffffe0007809040 [init]
10 0 0 0 DL audit_w 0xffffffff83ce96a0 [audit]
0 0 0 0 DLs (threaded) [kernel]
100000 D parked 0xffffffff84c34ff0 [swapper]
100005 D - 0xfffffe0007a8de00 [softirq_0]
100006 D - 0xfffffe0007a8dd00 [softirq_1]
100007 D - 0xfffffe0007a8dc00 [if_io_tqg_0]
100008 D - 0xfffffe0007a8db00 [if_io_tqg_1]
100009 D - 0xfffffe0007a8da00 [if_config_tqg_0]
100010 D - 0xfffffe000776d700 [kqueue_ctx taskq]
100011 D - 0xfffffe000776d500 [jail_remove taskq]
100012 D - 0xfffffe000776d300 [bus taskq]
100015 D - 0xfffffe000776cc00 [thread taskq]
100017 D - 0xfffffe000776c800 [aiod_kick taskq]
100018 D - 0xfffffe000776c600 [deferred_unmount ta]
100019 D - 0xfffffe000776c400 [inm_free taskq]
100020 D - 0xfffffe000776c200 [in6m_free taskq]
100021 D - 0xfffffe000776c000 [linuxkpi_irq_wq]
100022 D - 0xfffffe000776bd00 [linuxkpi_short_wq_0]
100023 D - 0xfffffe000776bd00 [linuxkpi_short_wq_1]
100024 D - 0xfffffe000776bd00 [linuxkpi_short_wq_2]
100025 D - 0xfffffe000776bd00 [linuxkpi_short_wq_3]
100026 D - 0xfffffe000776b800 [linuxkpi_long_wq_0]
100027 D - 0xfffffe000776b800 [linuxkpi_long_wq_1]
100028 D - 0xfffffe000776b800 [linuxkpi_long_wq_2]
100029 D - 0xfffffe000776b800 [linuxkpi_long_wq_3]
100036 D - 0xfffffe0053eef100 [firmware taskq]
100040 D - 0xfffffe0053eeeb00 [crypto_0]
100041 D - 0xfffffe0053eeeb00 [crypto_1]
100056 D - 0xfffffe0053eede00 [vtnet0 rxq 0]
100057 D - 0xfffffe0053eedd00 [vtnet0 txq 0]
100058 D - 0xfffffe0053eedc00 [vtnet0 rxq 1]
100059 D - 0xfffffe0053eedb00 [vtnet0 txq 1]
100061 D vtbslp 0xfffffe0007790680 [virtio_balloon]
100065 D - 0xffffffff827c51a1 [deadlkres]
100069 D - 0xfffffe0058500100 [acpi_task_0]
100070 D - 0xfffffe0058500100 [acpi_task_1]
100071 D - 0xfffffe0058500100 [acpi_task_2]
100073 D - 0xfffffe000776ee00 [mca taskq]
100074 D - 0xfffffe0053eee600 [CAM taskq]
100076 D - 0xfffffe0053eec600 [ipsec_offload]
100523 D - 0xfffffe00584fec00 [netlink_socket (PID]
100686 D - 0xfffffe0053eef800 [netlink_socket (PID]
100913 D - 0xfffffe0077a38000 [system_taskq_0]
100914 D - 0xfffffe0077a38000 [system_taskq_1]
100915 D - 0xfffffe0077a37e00 [system_delay_taskq_]
100916 D - 0xfffffe0077a37e00 [system_delay_taskq_]
100917 D - 0xfffffe0077a37b00 [zvol_tq-0_0]
100918 D - 0xfffffe0077a37b00 [zvol_tq-0_1]
100919 D - 0xfffffe0077a37b00 [zvol_tq-0_2]
100920 D - 0xfffffe0077a37b00 [zvol_tq-0_3]
100921 D - 0xfffffe0077a37b00 [zvol_tq-0_4]
100922 D - 0xfffffe0077a37b00 [zvol_tq-0_5]
100923 D - 0xfffffe0077a37b00 [zvol_tq-0_6]
100924 D - 0xfffffe0077a37b00 [zvol_tq-0_7]
100925 D - 0xfffffe0077a37b00 [zvol_tq-0_8]
100926 D - 0xfffffe0077a37b00 [zvol_tq-0_9]
100927 D - 0xfffffe0077a37b00 [zvol_tq-0_10]
100928 D - 0xfffffe0077a37b00 [zvol_tq-0_11]
100929 D - 0xfffffe0077a37b00 [zvol_tq-0_12]
100930 D - 0xfffffe0077a37b00 [zvol_tq-0_13]
100931 D - 0xfffffe0077a37b00 [zvol_tq-0_14]
100932 D - 0xfffffe0077a37b00 [zvol_tq-0_15]
100933 D - 0xfffffe0077a37b00 [zvol_tq-0_16]
100934 D - 0xfffffe0077a37b00 [zvol_tq-0_17]
100935 D - 0xfffffe0077a37b00 [zvol_tq-0_18]
100936 D - 0xfffffe0077a37b00 [zvol_tq-0_19]
100937 D - 0xfffffe0077a37b00 [zvol_tq-0_20]
100938 D - 0xfffffe0077a37b00 [zvol_tq-0_21]
100939 D - 0xfffffe0077a37b00 [zvol_tq-0_22]
100940 D - 0xfffffe0077a37b00 [zvol_tq-0_23]
100941 D - 0xfffffe0077a37b00 [zvol_tq-0_24]
100942 D - 0xfffffe0077a37b00 [zvol_tq-0_25]
100943 D - 0xfffffe0077a37b00 [zvol_tq-0_26]
100944 D - 0xfffffe0077a37b00 [zvol_tq-0_27]
100945 D - 0xfffffe0077a37b00 [zvol_tq-0_28]
100946 D - 0xfffffe0077a37b00 [zvol_tq-0_29]
100947 D - 0xfffffe0077a37b00 [zvol_tq-0_30]
100948 D - 0xfffffe0077a37b00 [zvol_tq-0_31]
100949 D - 0xfffffe0079698100 [arc_prune]
100950 D - 0xfffffe0079697e00 [arc_flush_0]
100951 D - 0xfffffe0079697e00 [arc_flush_1]
100969 D - 0xfffffe0079697900 [dbu_evict]
100984 D - 0xfffffe0079697300 [z_vdev_file_0]
100985 D - 0xfffffe0079697300 [z_vdev_file_1]
100986 D - 0xfffffe0079697300 [z_vdev_file_2]
100987 D - 0xfffffe0079697300 [z_vdev_file_3]
100988 D - 0xfffffe0079697300 [z_vdev_file_4]
100989 D - 0xfffffe0079697300 [z_vdev_file_5]
100990 D - 0xfffffe0079697300 [z_vdev_file_6]
100991 D - 0xfffffe0079697300 [z_vdev_file_7]
100992 D - 0xfffffe0079697300 [z_vdev_file_8]
100993 D - 0xfffffe0079697300 [z_vdev_file_9]
100994 D - 0xfffffe0079697300 [z_vdev_file_10]
100995 D - 0xfffffe0079697300 [z_vdev_file_11]
100996 D - 0xfffffe0079697300 [z_vdev_file_12]
100997 D - 0xfffffe0079697300 [z_vdev_file_13]
100998 D - 0xfffffe0079697300 [z_vdev_file_14]
100999 D - 0xfffffe0079697300 [z_vdev_file_15]
101020 D - 0xfffffe0079ba0400 [zfsvfs]
101108 D - 0xfffffe0079b9f900 [netlink_socket (PID]
925 1 768 0 Z syz-executor
db> show all locks
Process 1416 (arp) thread 0xfffffe00541ca000 (101207)
exclusive sleep mutex pmap (pmap) r = 0 (0xfffffe00540d05a0) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:7226
shared sx vm map (user) (vm map (user)) r = 0 (0xfffffe00540d04f0) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4998
Process 1411 (ifconfig) thread 0xfffffe00541ce000 (101163)
exclusive sx ifnet_detach_sx (ifnet_detach_sx) r = 0 (0xffffffff83cbe600) locked @ /syzkaller/managers/main/kernel/sys/net/if.c:3000
Process 1392 (ifconfig) thread 0xfffffe00541c6000 (101157)
exclusive sx in6_control (in6_control) r = 0 (0xffffffff83ce4080) locked @ /syzkaller/managers/main/kernel/sys/netinet6/in6.c:431
db> show malloc
Type InUse MemUse Requests
pf_hash 6 12804K 6
linker 425 12680K 882
sctp_stro 5 6919K 10
tcp_hpts 7 4801K 7
devbuf 4187 4323K 4220
solaris 2246 3597K 4472
sysctloid 45144 2652K 45256
vtbuf 24 1968K 46
filedesc 205 1640K 1138
kobj 330 1320K 563
newblk 6 1026K 4103
vfscache 3 1025K 3
pcb 72 709K 441
subproc 317 667K 1586
inodedep 11 516K 1078
ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
intr 4 472K 4
vmem 5 276K 10
vnet_data 2 224K 2
acpitask 1 224K 1
KTRACE 101 201K 84948
acpica 1674 184K 54444
tidhash 3 141K 3
pagedep 9 130K 601
tfo_ccache 1 128K 1
IP reass 1 128K 1
DEVFS1 117 117K 146
sem 4 106K 4
gtaskqueue 18 98K 18
routetbl 419 90K 829
kdtrace 442 83K 2653
bus 1006 82K 5090
umtx 624 78K 624
md_sectors 19 76K 19
mtx_pool 3 74K 3
syncache 1 68K 1
NFSD srvcache 3 68K 3
module 526 66K 534
ddb_capture 1 64K 1
shm 6 42K 25
DEVFS3 136 34K 148
hostcache 1 32K 1
msg 4 30K 4
kbdmux 6 28K 6
ifaddr 109 27K 111
LRO 26 27K 32
lltable 75 23K 84
ifnet 12 23K 13
temp 52 22K 2634
md_disk 24 21K 28
DEVFS_RULE 56 20K 56
kstat_data 19 19K 19
ether_multi 228 19K 253
ufs_mount 4 17K 5
proc 3 17K 3
filemon 2 16K 19
tty 16 16K 16
GEOM 96 16K 702
ithread 90 15K 90
bus-sc 34 15K 1656
eventhandler 166 14K 166
shmfd 10 12K 21
kqueue 163 12K 2111
kenv 95 12K 95
plimit 29 11K 1043
taskqueue 102 11K 195
CAM queue 5 11K 1528
in6_multi 75 10K 87
rman 82 10K 467
pwddesc 150 10K 1450
cred 37 10K 406
rpc 8 9K 8
sctp_atcl 23 9K 136
bmsafemap 2 9K 954
devstat 4 9K 4
UART 12 9K 12
ksem 1 8K 3
pfs_vncache 1 8K 1
audit_evclass 240 8K 303
UMA 342 7K 342
sglist 6 7K 6
CAM DEV 3 6K 510
DEVFSP 94 6K 252
pf_ifnet 15 6K 34
pfs_nodes 22 6K 22
kcovinfo 81 6K 108
ufs_dirhash 24 5K 36
vt 11 5K 11
memdesc 1 4K 1
MCA 32 4K 32
evdev 4 4K 4
proc-args 161 4K 2647
acpisem 28 4K 28
tun 9 4K 9
mount 23 4K 1365
terminal 11 3K 11
CC Mem 22 3K 349
uidinfo 5 3K 22
acpidev 20 3K 20
ip6ndp 18 3K 21
lockf 22 3K 398
sctp_ifa 19 3K 21
hhook 8 3K 10
clone 9 3K 9
local_apic 1 2K 1
io_apic 1 2K 1
ipsec-saq 2 2K 2
in_multi 8 2K 15
osd 84 2K 428
BPF 12 2K 77
Unitno 31 2K 435
inpcbpolicy 55 2K 825
crypto 5 2K 44
CAM XPT 22 2K 543
ip6opt 8 2K 117
nhops 6 2K 10
vnodemarker 3 2K 97
selfd 24 2K 361757
toponodes 6 2K 6
session 12 2K 85
ipsecpolicy 2 2K 2
mld 11 2K 11
igmp 11 2K 11
sctp_timw 5 2K 5
diradd 10 2K 880
msi 9 2K 9
netlink 2 2K 179
sctp_atky 28 2K 147
sctp_ifn 8 1K 21
softdep 1 1K 1
sahead 1 1K 1
secasvar 1 1K 1
NFSD session 1 1K 1
CAM periph 4 1K 271
ipsec 3 1K 3
pfil 6 1K 6
isadev 6 1K 12
pci_link 10 1K 10
newdirblk 5 1K 528
mkdir 5 1K 1056
encap_export_host 12 1K 12
sctp_stri 1 1K 2
cryptodev 7 1K 167
inotify 2 1K 5
cdev 2 1K 2
lkpikmalloc 8 1K 9
counter_rate 14 1K 14
sctp_aadr 6 1K 15
chacha20random 1 1K 1
biobuf 1 1K 1
sctp_athm 23 1K 140
vnodes 1 1K 6
ktls 1 1K 20
select 2 1K 91
ioctlops 1 1K 189
loginclass 4 1K 6
filedesc_to_leader 4 1K 9
NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
DEVFS 9 1K 10
CAM SIM 2 1K 2
prison 8 1K 8
feeder 7 1K 7
taskq 2 1K 2
tcpfunc 3 1K 3
ip_msource 3 1K 9
sctp_map 10 1K 20
nexusdev 8 1K 8
apmdev 1 1K 1
atkbddev 2 1K 2
ip6_msource 2 1K 15
ip6_moptions 4 1K 16
VN POLL 1 1K 9
aio 4 1K 16
eventfd 1 1K 7
pmchooks 1 1K 1
CAM path 4 1K 1034
CAM dev queue 2 1K 2
CAM I/O Scheduler 1 1K 1
in_mfilter 2 1K 17
sctp_vrf 1 1K 1
ip_moptions 1 1K 12
vnet 1 1K 1
pmc 1 1K 1
sigio 1 1K 5
entropy 2 1K 42
acpiintr 1 1K 1
cpus 2 1K 2
vnet_data_free 1 1K 1
Per-cpu 1 1K 1
freework 1 1K 1068
p1003.1b 1 1K 1
sfs_nodes 0 0K 0
zones_data 0 0K 0
ext2_mount 0 0K 0
ext2_node 0 0K 0
ext2_extents 0 0K 0
mqdata 0 0K 0
sctp_mcore 0 0K 0
sctp_socko 0 0K 55
sctp_iter 0 0K 38
sctp_mvrf 0 0K 0
sctp_cpal 0 0K 17
sctp_cmsg 0 0K 0
sctp_stre 0 0K 0
sctp_athi 0 0K 0
sctp_a_it 0 0K 21
ipcomp 0 0K 0
esp 0 0K 0
ah 0 0K 0
pf_table 0 0K 0
pf_rule 0 0K 12
pf_altq 0 0K 0
pf_osfp 0 0K 0
pf_krule_item 0 0K 0
pf_temp 0 0K 0
tcp_pcm_rack 0 0K 4
tcp_do_rack 0 0K 0
tcp_fsb_rack 0 0K 8
madt_table 0 0K 2
smartpqi 0 0K 0
ixl 0 0K 0
ice-resmgr 0 0K 0
ice-osdep 0 0K 0
ice 0 0K 0
iavf 0 0K 0
axgbe 0 0K 0
fpukern_ctx 0 0K 0
xen_intr 0 0K 0
xen_hvm 0 0K 0
legacydrv 0 0K 0
NMI handlers 0 0K 0
bounce 0 0K 0
busdma 0 0K 0
qpidrv 0 0K 0
dmar_idpgtbl 0 0K 0
dmar_dom 0 0K 0
dmar_ctx 0 0K 0
amdiommu_dom 0 0K 0
amdiommu_ctx 0 0K 0
isci 0 0K 0
iommu_dmamap 0 0K 0
hyperv_socket 0 0K 0
bxe_ilt 0 0K 0
aesni_data 0 0K 0
xenbus 0 0K 0
vm_fictitious 0 0K 0
UMAHash 0 0K 0
vm_pgdata 0 0K 0
jblocks 0 0K 0
savedino 0 0K 535
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 54
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
dirrem 0 0K 852
freefile 0 0K 686
freeblks 0 0K 581
freefrag 0 0K 284
allocindir 0 0K 0
indirdep 0 0K 578
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
ktls_ocf 0 0K 3
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5E_TLS_RX 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
MLX5EEPROM 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
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
simple_attr 0 0K 0
seq_file 0 0K 0
lkpiskb 0 0K 0
radix 0 0K 0
idr 0 0K 0
lkpindev 0 0K 0
lkpimhi 0 0K 0
lkpifw 0 0K 0
lkpi80211 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
in6_mfilter 0 0K 27
frag6 0 0K 47
tcplog 0 0K 0
tcp_hwpace 0 0K 0
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 0 0K 0
iflib 0 0K 0
vlan 0 0K 0
gif 0 0K 0
ifdescr 0 0K 0
zlib 0 0K 29
fadvise 0 0K 0
statfs 0 0K 213
namei_tracker 0 0K 7
export_host 0 0K 0
cl_savebuf 0 0K 144
lio 0 0K 33
acl 0 0K 0
soname 0 0K 4036
mbuf_tag 0 0K 0
accf 0 0K 0
pts 0 0K 0
timerfd 0 0K 0
procdesc 0 0K 8
iov 0 0K 23792
Witness 0 0K 0
stack 0 0K 0
sbuf 0 0K 502
firmware 0 0K 0
compressor 0 0K 0
SWAP 0 0K 0
sysctltmp 0 0K 722
sysctl 0 0K 3
ekcd 0 0K 0
dumper 0 0K 0
sendfile 0 0K 25
rctl 0 0K 0
cache 0 0K 0
prison_racct 0 0K 0
Fail Points 0 0K 0
filecaps 0 0K 79
pwd 0 0K 0
tty console 0 0K 0
boottrace 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 114
geom_flashmap 0 0K 0
tmpfs dir 0 0K 0
tmpfs name 0 0K 0
tmpfs mount 0 0K 0
tmpfs extattr 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
NFSD rollback 0 0K 0
NFSCL diroff 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
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
msdosfs_fat 0 0K 0
msdosfs_mount 0 0K 0
msdosfs_node 0 0K 0
DEVFS4 0 0K 0
DEVFS2 0 0K 0
gntdev 0 0K 0
privcmd_dev 0 0K 0
evtchn_dev 0 0K 0
xenstore 0 0K 0
xnb 0 0K 0
xen_acpi 0 0K 0
xbbd 0 0K 0
xbd 0 0K 0
Balloon 0 0K 0
sysmouse 0 0K 0
vtfont 0 0K 0
pvscsi 0 0K 0
USBdev 0 0K 0
USB 0 0K 0
twsbuf 0 0K 0
tcp_log_dev 0 0K 6
midi buffers 0 0K 0
mixer 0 0K 0
ac97 0 0K 0
hdacc 0 0K 0
hdac 0 0K 0
hdaa 0 0K 0
SIIS driver 0 0K 0
PUC 0 0K 0
ppbusdev 0 0K 0
sr_iov 0 0K 0
OCS 0 0K 0
OCS 0 0K 0
nvme 0 0K 0
nvd 0 0K 0
netmap 0 0K 0
mwldev 0 0K 0
MVS driver 0 0K 0
mpi3mrbuf 0 0K 0
mrsasbuf 0 0K 0
mpt_user 0 0K 0
mps_user 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
malodev 0 0K 0
LED 0 0K 0
ix_sriov 0 0K 0
ix 0 0K 0
ipsbuf 0 0K 0
ciss_data 0 0K 0
BACKLIGHT 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
AHCI driver 0 0K 0
agp 0 0K 0
acpipwr 0 0K 0
acpi_perf 0 0K 0
acpicmbat 0 0K 0
aacraidcam 0 0K 0
aacraid_buf 0 0K 0
aaccam 0 0K 0
aacbuf 0 0K 0
zstd 0 0K 0
XZ_DEC 0 0K 0
nvlist 0 0K 357
SCSI ENC 0 0K 0
SCSI sa 0 0K 0
scsi_pass 0 0K 0
scsi_da 0 0K 70
ata_da 0 0K 0
scsi_ch 0 0K 0
scsi_cd 0 0K 0
nvme_da 0 0K 0
CAM CCB 0 0K 523
CAM ccb queue 0 0K 0
db> show uma
Zone Size Used Free Requests Sleeps Bucket Total Mem XFree
mbuf_jumbo_page 4096 8347 1051 19169 0 254 38494208 0
tcp_log 416 10219 5531 51057 0 254 6552000 0
ertt_txseginfo 40 161544 561 169984 0 254 6484200 0
mbuf 256 9099 563 217372 0 254 2473472 0
RADIX NODE 152 15793 244 59570 0 62 2437624 0
mbuf_cluster 2048 508 508 510 0 254 2080768 0
malloc-128 128 14767 113 16298 0 126 1904640 0
BUF TRIE 152 420 11384 3184 0 62 1794208 0
malloc-16384 16384 104 5 753 0 1 1785856 0
malloc-384 384 4118 52 4118 0 30 1601280 0
malloc-4096 4096 333 11 1053 0 2 1409024 0
UMA Slabs 0 112 11583 3 11583 0 126 1297632 0
vmem btag 56 22606 113 22606 0 254 1272264 0
sctp_asoc 2256 5 505 10 0 254 1150560 0
zio_buf_comb_1048576 1048576 0 1 15 0 1 1048576 0
malloc-64 64 280 15722 363363 0 254 1024128 0
malloc-65536 65536 11 1 24 0 1 786432 0
FFS inode 1168 646 19 1351 0 8 776720 0
malloc-4096 4096 165 5 1450 0 2 696320 0
malloc-256 256 2491 119 4537 0 62 668160 0
sctp_ep 1152 17 494 125 0 254 588672 0
THREAD 1860 290 22 1230 0 8 580320 0
md3 32768 16 0 16 0 1 524288 0
md2 32768 16 0 16 0 1 524288 0
256 Bucket 2048 233 23 2719 0 8 524288 0
VM OBJECT 248 2003 109 21097 0 62 523776 0
socket 1024 79 429 2491 0 254 520192 0
lkpicurr 168 2 3094 2 0 62 520128 0
pbuf 2624 0 178 0 0 2 467072 0
malloc-65536 65536 6 0 6 0 1 393216 0
MAP ENTRY 96 3747 285 74048 0 126 387072 0
sctp_raddr 736 5 512 10 0 254 380512 0
malloc-64 64 5268 87 6940 0 254 342720 0
VNODE 440 689 67 1397 0 30 332640 0
malloc-16 16 18617 383 20770 0 254 304000 0
FPU_save_area 832 292 50 1733 0 16 284544 0
malloc-32 32 7377 309 8539 0 254 245952 0
malloc-2048 2048 106 14 459 0 8 245760 0
UMA Zones 768 314 0 314 0 16 241152 0
PROC 1376 150 15 1421 0 8 227040 0
DEVCTL 1024 77 143 204 0 0 225280 0
malloc-65536 65536 0 3 77 0 1 196608 0
malloc-32768 32768 2 4 22 0 1 196608 0
malloc-4096 4096 47 1 300 0 2 196608 0
FFS2 dinode 256 646 104 1351 0 62 192000 0
malloc-128 128 1213 182 30105 0 126 178560 0
lkpimm 56 1 3095 1 0 254 173376 0
filedesc0 1072 150 11 1450 0 8 172592 0
unpcb 320 8 508 1456 0 254 165120 0
malloc-32768 32768 0 5 417 0 1 163840 0
malloc-32768 32768 0 5 113 0 1 163840 0
malloc-256 256 63 567 5025 0 62 161280 0
S VFS Cache 104 1042 362 1956 0 126 146016 0
zio_buf_comb_131072 131072 0 1 1 0 1 131072 0
malloc-65536 65536 2 0 2 0 1 131072 0
malloc-65536 65536 0 2 118 0 1 131072 0
malloc-32768 32768 4 0 4 0 1 131072 0
malloc-1024 1024 122 6 151 0 16 131072 0
mbuf_packet 256 27 481 4953 0 254 130048 0
tcp_inpcb 1304 22 74 348 0 8 125184 0
ksiginfo 112 151 893 631 0 126 116928 0
UMA Kegs 384 300 3 300 0 30 116352 0
malloc-128 128 732 167 2447 0 126 115072 0
malloc-128 128 670 229 1410 0 126 115072 0
malloc-8192 8192 11 3 23 0 1 114688 0
malloc-2048 2048 18 38 1108 0 8 114688 0
malloc-16384 16384 3 3 13 0 1 98304 0
malloc-384 384 197 43 232 0 30 92160 0
syncache 168 0 528 4 0 254 88704 0
128 Bucket 1024 55 28 329 0 16 84992 0
tcp_bbr_map 128 334 317 463 0 126 83328 0
64 Bucket 512 99 61 5707 0 30 81920 0
sctp_chunk 152 9 511 9 0 254 79040 0
VMSPACE 584 119 14 1375 0 16 77672 0
g_bio 408 0 180 17277 0 30 73440 0
malloc-384 384 94 86 1201 0 30 69120 0
malloc-64 64 517 554 49079 0 254 68544 0
malloc-128 128 307 220 380 0 126 67456 0
md1 8 8192 192 8192 0 254 67072 0
malloc-32768 32768 2 0 2 0 1 65536 0
malloc-32768 32768 0 2 138 0 1 65536 0
malloc-8192 8192 5 3 145 0 1 65536 0
malloc-2048 2048 21 11 206 0 8 65536 0
malloc-256 256 146 109 256 0 62 65280 0
malloc-256 256 68 187 2875 0 62 65280 0
malloc-256 256 171 84 810 0 62 65280 0
32 Bucket 256 84 171 5257 0 62 65280 0
sctp_stream_msg_out 112 0 540 2 0 254 60480 0
malloc-4096 4096 11 3 122 0 2 57344 0
malloc-64 64 470 349 710 0 254 52416 0
malloc-64 64 183 636 2225 0 254 52416 0
Files 80 301 349 11505 0 126 52000 0
TURNSTILE 136 313 65 313 0 62 51408 0
malloc-256 256 63 132 2538 0 62 49920 0
zio_data_buf_16384 16384 0 3 9 0 1 49152 0
DIRHASH 1024 34 14 42 0 16 49152 0
NAMEI 1024 0 48 19339 0 16 49152 0
malloc-16384 16384 3 0 3 0 1 49152 0
malloc-16384 16384 0 3 3 0 1 49152 0
malloc-8192 8192 3 3 22 0 1 49152 0
malloc-2048 2048 3 21 50 0 8 49152 0
malloc-2048 2048 14 10 57 0 8 49152 0
malloc-1024 1024 26 22 2185 0 16 49152 0
malloc-1024 1024 17 31 1795 0 16 49152 0
pcpu-8 8 5752 392 6431 0 254 49152 0
malloc-384 384 83 37 1440 0 30 46080 0
vnpbuf 2624 0 16 3 0 16 41984 0
malloc-8192 8192 4 1 5 0 1 40960 0
pipe 736 26 29 391 0 16 40480 0
ttyinq 160 135 115 1380 0 62 40000 0
sctp_readq 152 0 260 1 0 254 39520 0
cpuset 200 10 182 208 0 62 38400 0
da_ccb 544 0 70 4514 0 16 38080 0
udp_inpcb 408 14 76 301 0 30 36720 0
hostcache 64 4 563 4 0 254 36288 0
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
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#syz undup
syzbot found the following issue on:
HEAD commit: e8019a159185 cross-build: provide exterr.h and sys/exterrv..
git tree: freebsd-src
console output: https://syzkaller.appspot.com/x/log.txt?x=110220f0580000
dashboard link: https://syzkaller.appspot.com/bug?extid=b73e5a9e1b091e42fab8
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b73e5a...@syzkaller.appspotmail.com
panic: starting DAD on non-tentative address 0xfffffe0059534c00
cpuid = 0
time = 180
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe00571e5e50
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe00571e5fb0
vpanic() at vpanic+0x257/frame 0xfffffe00571e6170
panic() at panic+0xb5/frame 0xfffffe00571e6230
nd6_dad_start() at nd6_dad_start+0x56c/frame 0xfffffe00571e6330
in6_if_up() at in6_if_up+0x14e/frame 0xfffffe00571e63f0
nd6_ioctl() at nd6_ioctl+0x1368/frame 0xfffffe00571e6550
in6_addifaddr() at in6_addifaddr+0xbe6/frame 0xfffffe00571e6770
in6_control_ioctl() at in6_control_ioctl+0x1087/frame 0xfffffe00571e6870
ifioctl() at ifioctl+0xe51/frame 0xfffffe00571e6ab0
kern_ioctl() at kern_ioctl+0x4ca/frame 0xfffffe00571e6b90
sys_ioctl() at sys_ioctl+0x36e/frame 0xfffffe00571e6d10
amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe00571e6f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00571e6f30
--- syscall (54, FreeBSD ELF64, ioctl), rip = 0x825a262ca, rsp = 0x820963868, rbp = 0x8209638b0 ---
KDB: enter: panic
[ thread pid 1392 tid 101157 ]
Stopped at kdb_enter+0x6e: movq $0,0x25c2d27(%rip)
db>
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs 0x20
ds 0x3b
es 0x3b
fs 0x13
gs 0x1b
ss 0
rax 0x12
rcx 0xfffffe0002bf1850
rdx 0
rbx 0xffffffff827bfdc0 .str.27
rsp 0xfffffe00571e5f90
rbp 0xfffffe00571e5fb0
rsi 0
rdi 0xffffffff816128e9 printf+0x149
r8 0
r9 0xffffffff
r10 0x1
r11 0x1f
r12 0xfffffe00541c6000
r13 0xfffffffffffffffe
r14 0xffffffff827bfdc0 .str.27
r15 0
rip 0xffffffff815fc46e kdb_enter+0x6e
rflags 0x46
kdb_enter+0x6e: movq $0,0x25c2d27(%rip)
db> show proc
Process 1392 (ifconfig) at 0xfffffe00540cc5c0:
state: NORMAL
uid: 0 gids: 0, 0, 5
parent: pid 1 at 0xfffffe0007809040
ABI: FreeBSD ELF64
flag: 0x10004000 flag2: 0
arguments: ifconfig tap5 inet6 fe80::05aa
reaper: 0xfffffe0007809040 reapsubtree: 1
sigparent: 20
vmspace: 0xfffffe00540fe248
(map 0xfffffe00540fe248)
(map.pmap 0xfffffe00540fe2e8)
(pmap 0xfffffe00540fe358)
threads: 1
101157 Run CPU 0 ifconfig
db> ps
pid ppid pgrp uid state wmesg wchan cmd
1416 1410 1410 0 R arp
1412 1409 1409 0 D ifnet_d 0xffffffff83cbe600 ifconfig
1411 1403 1403 0 R ifconfig
1410 766 1410 0 S wait 0xfffffe00540e85a0 syz-executor
1409 766 1409 0 S wait 0xfffffe005417b580 syz-executor
1407 1404 1404 0 D ifnet_d 0xffffffff83cbe600 ifconfig
1404 766 1404 0 S wait 0xfffffe005400aac0 syz-executor
1403 766 1403 0 S wait 0xfffffe0054104000 syz-executor
1392 1 1379 0 R CPU 0 ifconfig
1369 1 770 0 SV uwait 0xfffffe0079a94d80 syz-executor
1368 1 770 0 S uwait 0xfffffe0058275480 syz-executor
1366 1 770 0 S uwait 0xfffffe00584fce80 syz-executor
1361 1 1356 0 S uwait 0xfffffe0079a95100 syz-executor
1359 1 1356 0 SV uwait 0xfffffe00077e9e80 syz-executor
1357 1 770 0 S uwait 0xfffffe0079a95000 syz-executor
1353 1 768 0 S uwait 0xfffffe0077ab9400 syz-executor
1348 1 767 0 S uwait 0xfffffe0077abc100 syz-executor
1345 1 770 0 SV uwait 0xfffffe00077e9200 syz-executor
1339 1 768 0 S uwait 0xfffffe00077e9300 syz-executor
1334 1 770 0 S uwait 0xfffffe0077ab9500 syz-executor
1330 1 769 0 S uwait 0xfffffe0077abab80 syz-executor
1329 1 769 0 S uwait 0xfffffe0078b5e780 syz-executor
1323 1 767 0 S uwait 0xfffffe0077aba180 syz-executor
1307 1 770 0 S uwait 0xfffffe0077abc200 syz-executor
1289 1 1289 0 S uwait 0xfffffe0078b5e580 syz-executor
1280 1 768 0 S uwait 0xfffffe0078b60680 syz-executor
1278 1 768 0 S uwait 0xfffffe0078b5e380 syz-executor
1273 1 769 0 S uwait 0xfffffe0078b61000 syz-executor
1272 1 769 0 S uwait 0xfffffe0058275180 syz-executor
1271 1 768 0 S uwait 0xfffffe0077abcc00 syz-executor
1269 1 769 0 S uwait 0xfffffe0078b61100 syz-executor
1259 1 1259 0 Ss+ ttyin 0xfffffe0007a7f0b0 getty
1258 1 1258 0 Ss+ ttyin 0xfffffe0007a7b8b0 getty
1257 1 1257 0 Ss+ ttyin 0xfffffe00586300b0 getty
1256 1 1256 0 Ss+ ttyin 0xfffffe0058630cb0 getty
1255 1 1255 0 Ss+ ttyin 0xfffffe00586308b0 getty
1254 1 1254 0 Ss+ ttyin 0xfffffe00586310b0 getty
1253 1 1253 0 Ss+ ttyin 0xfffffe00586314b0 getty
1252 1 1252 0 Ss+ ttyin 0xfffffe00586304b0 getty
1251 1 1251 0 Ss+ ttyin 0xfffffe005862fcb0 getty
1244 1 1244 0 S uwait 0xfffffe0058277800 syz-executor
1236 1 769 0 S uwait 0xfffffe0078b60480 syz-executor
1202 1 768 0 S uwait 0xfffffe0077aba580 syz-executor
1198 0 0 0 DL mdwait 0xfffffe006e464000 [md4]
1190 1 769 0 S uwait 0xfffffe00077e9880 syz-executor
1185 1 1183 0 S uwait 0xfffffe0058277600 syz-executor
1170 1 768 -1 SV uwait 0xfffffe0058277900 syz-executor
1167 1 769 0 S uwait 0xfffffe0077ab9100 syz-executor
1158 1 768 0 S uwait 0xfffffe0077abac80 syz-executor
1153 1 768 0 S uwait 0xfffffe0058275580 syz-executor
1152 1 767 0 S uwait 0xfffffe0078b61400 syz-executor
1148 1 770 0 S uwait 0xfffffe0077aba980 syz-executor
1146 0 0 0 DL - 0xffffffff83cb0400 [soaiod4]
1145 0 0 0 DL - 0xffffffff83cb0400 [soaiod3]
1144 0 0 0 DL - 0xffffffff83cb0400 [soaiod2]
1143 0 0 0 DL - 0xffffffff83cb0400 [soaiod1]
1135 1134 770 0 S uwait 0xfffffe0077ab9e00 syz-executor
1134 1 770 0 SV uwait 0xfffffe0077ab9d00 syz-executor
1130 1 767 0 S uwait 0xfffffe0058277300 syz-executor
1128 1 769 0 S uwait 0xfffffe0077aba880 syz-executor
1123 1 768 0 S uwait 0xfffffe0058277700 syz-executor
1120 1 769 0 S uwait 0xfffffe0077ab9a00 syz-executor
1118 1 767 0 S uwait 0xfffffe0077ab9c00 syz-executor
1116 1 770 0 S uwait 0xfffffe0077aba280 syz-executor
1107 1 770 0 S uwait 0xfffffe0058274600 syz-executor
1101 1 769 0 S uwait 0xfffffe0058277f00 syz-executor
1099 1 767 0 S uwait 0xfffffe0077abb400 syz-executor
1095 1 767 60929 S uwait 0xfffffe0077abb600 syz-executor
1089 1 769 60928 S uwait 0xfffffe0077abbd80 syz-executor
1084 0 0 0 DL (threaded) [so_splice]
100550 D - 0xfffffe00077e9780 [thr_0]
100589 D - 0xfffffe00077e97c0 [thr_1]
1082 1 768 0 S uwait 0xfffffe0077abb700 syz-executor
1074 0 0 0 DL mdwait 0xfffffe006e52a000 [md3]
1073 0 0 0 DL mdwait 0xfffffe006e529000 [md2]
1067 1 768 0 S uwait 0xfffffe0077abb000 syz-executor
1062 1 767 0 S uwait 0xfffffe0077abae80 syz-executor
1059 1 769 0 S uwait 0xfffffe0077abc000 syz-executor
1057 1 769 0 S uwait 0xfffffe0077abaa80 syz-executor
1047 1046 770 0 S uwait 0xfffffe0077abb980 syz-executor
1046 1 770 0 SV uwait 0xfffffe0077abbb80 syz-executor
1044 1 770 0 S uwait 0xfffffe0058277500 syz-executor
1035 1 1033 0 S uwait 0xfffffe0077abb500 syz-executor
1034 1 1033 0 S uwait 0xfffffe0058277200 syz-executor
1029 1 769 0 S uwait 0xfffffe0058277400 syz-executor
1027 1 768 0 S uwait 0xfffffe0058275e00 syz-executor
1023 1 770 0 S uwait 0xfffffe00584f9e80 syz-executor
1021 1 768 0 S uwait 0xfffffe0058277c00 syz-executor
1014 1 770 0 S uwait 0xfffffe0058274100 syz-executor
1012 1 767 0 S uwait 0xfffffe0077abba80 syz-executor
1009 1 769 0 S uwait 0xfffffe00584f9580 syz-executor
1005 1 769 0 S uwait 0xfffffe0058274000 syz-executor
1003 1 768 0 SV uwait 0xfffffe00584f9680 syz-executor
1002 1 770 0 S uwait 0xfffffe00584f9480 syz-executor
1000 1 768 0 S uwait 0xfffffe00584fa400 syz-executor
997 1 770 0 S uwait 0xfffffe0058277a00 syz-executor
996 1 770 0 S uwait 0xfffffe0058277d00 syz-executor
995 1 770 0 S uwait 0xfffffe0058276680 syz-executor
994 1 768 0 S uwait 0xfffffe00584fa100 syz-executor
989 0 0 0 DL mdwait 0xfffffe006dec0000 [md1]
988 1 770 0 S uwait 0xfffffe00584f9180 syz-executor
977 1 768 0 S uwait 0xfffffe00584f9b80 syz-executor
972 1 767 0 S uwait 0xfffffe00077e9b80 syz-executor
971 1 767 0 S uwait 0xfffffe0058277e00 syz-executor
967 0 0 0 DL mdwait 0xfffffe006e471000 [md0]
960 1 768 0 SV uwait 0xfffffe0058274300 syz-executor
959 1 769 0 S uwait 0xfffffe0058276d80 syz-executor
931 1 770 0 S uwait 0xfffffe0058275380 syz-executor
926 0 0 0 DL (threaded) [KTLS]
100104 D - 0xfffffe0058500900 [thr_0]
100297 D - 0xfffffe0058500980 [thr_1]
100298 D - 0xffffffff83cb1c28 [reclaim_0]
918 1 767 0 S umtxn 0xfffffe00584fb480 syz-executor
908 1 768 0 S uwait 0xfffffe0058275b00 syz-executor
907 1 768 0 S uwait 0xfffffe0058276480 syz-executor
905 904 770 0 S uwait 0xfffffe00077e9d80 syz-executor
904 1 770 0 SV uwait 0xfffffe00077e9c80 syz-executor
899 1 768 0 S uwait 0xfffffe0058274800 syz-executor
897 1 770 0 S uwait 0xfffffe0058274400 syz-executor
894 1 767 0 SV uwait 0xfffffe0058275080 syz-executor
887 1 770 0 S uwait 0xfffffe00584f9c80 syz-executor
884 1 770 0 S uwait 0xfffffe00584f9780 syz-executor
879 1 767 0 S uwait 0xfffffe0058275700 syz-executor
877 1 767 0 S uwait 0xfffffe00077e9a80 syz-executor
874 1 769 0 S uwait 0xfffffe00584fb900 syz-executor
866 1 862 0 S uwait 0xfffffe0058276280 syz-executor
865 1 862 0 S uwait 0xfffffe0058277000 syz-executor
858 1 767 0 S uwait 0xfffffe0058275900 syz-executor
836 1 768 0 S uwait 0xfffffe00584f9d80 syz-executor
819 1 769 0 S uwait 0xfffffe0058275280 syz-executor
814 1 770 0 S uwait 0xfffffe00584fa200 syz-executor
811 0 0 0 DL aiordy 0xfffffe00541065a0 [aiod4]
809 0 0 0 DL aiordy 0xfffffe00540c9ac0 [aiod3]
808 0 0 0 DL aiordy 0xfffffe00540e8040 [aiod2]
807 0 0 0 DL aiordy 0xfffffe00540ca020 [aiod1]
766 764 764 0 S select 0xfffffe000778f2c0 syz-executor
764 758 764 0 Ss sigsusp 0xfffffe00540e9110 csh
758 1 758 0 Ss select 0xfffffe00593fdec0 sshd
16 0 0 0 DL syncer 0xffffffff83cbde20 [syncer]
15 0 0 0 DL vlruwt 0xfffffe0054005060 [vnlru]
14 0 0 0 DL (threaded) [bufdaemon]
100079 D psleep 0xffffffff83cbc360 [bufdaemon]
100082 D - 0xffffffff83001ec0 [bufspacedaemon-0]
100094 D sdflush 0xfffffe00077628e8 [/ worker]
9 0 0 0 DL psleep 0xffffffff83d07280 [vmdaemon]
8 0 0 0 DL (threaded) [pagedaemon]
100077 D psleep 0xffffffff83ced348 [dom0]
100080 D launds 0xffffffff83ced354 [laundry: dom0]
100081 D umarcl 0xffffffff81dde890 [uma]
7 0 0 0 DL - 0xffffffff83918cd0 [rand_harvestq]
6 0 0 0 DL pftm 0xffffffff844d39e0 [pf purge]
5 0 0 0 DL waiting 0xffffffff84801700 [sctp_iterator]
4 0 0 0 DL (threaded) [cam]
100045 D - 0xffffffff838e3340 [doneq0]
100046 D - 0xffffffff838e32c0 [async]
100075 D - 0xffffffff838e3140 [scanner]
3 0 0 0 DL (threaded) [crypto]
100042 D crypto_ 0xffffffff83ce8c00 [crypto]
100043 D crypto_ 0xfffffe0057d73030 [crypto returns 0]
100044 D crypto_ 0xfffffe0057d73080 [crypto returns 1]
13 0 0 0 DL (threaded) [geom]
100037 D - 0xffffffff83b48d00 [g_event]
100038 D - 0xffffffff83b48d20 [g_up]
100039 D - 0xffffffff83b48d40 [g_down]
2 0 0 0 RL (threaded) [clock]
100031 Run CPU 1 [clock (0)]
100032 I [clock (1)]
12 0 0 0 WL (threaded) [intr]
100013 I [swi6: task queue]
100014 I [swi6: Giant taskq]
100016 I [swi5: fast taskq]
100033 I [swi1: netisr 0]
100034 I [swi1: hpts]
100035 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 0xfffffe0007809040 [init]
10 0 0 0 DL audit_w 0xffffffff83ce96a0 [audit]
0 0 0 0 DLs (threaded) [kernel]
100000 D parked 0xffffffff84c34ff0 [swapper]
100005 D - 0xfffffe0007a8de00 [softirq_0]
100006 D - 0xfffffe0007a8dd00 [softirq_1]
100007 D - 0xfffffe0007a8dc00 [if_io_tqg_0]
100008 D - 0xfffffe0007a8db00 [if_io_tqg_1]
100009 D - 0xfffffe0007a8da00 [if_config_tqg_0]
100010 D - 0xfffffe000776d700 [kqueue_ctx taskq]
100011 D - 0xfffffe000776d500 [jail_remove taskq]
100012 D - 0xfffffe000776d300 [bus taskq]
100015 D - 0xfffffe000776cc00 [thread taskq]
100017 D - 0xfffffe000776c800 [aiod_kick taskq]
100018 D - 0xfffffe000776c600 [deferred_unmount ta]
100019 D - 0xfffffe000776c400 [inm_free taskq]
100020 D - 0xfffffe000776c200 [in6m_free taskq]
100021 D - 0xfffffe000776c000 [linuxkpi_irq_wq]
100022 D - 0xfffffe000776bd00 [linuxkpi_short_wq_0]
100023 D - 0xfffffe000776bd00 [linuxkpi_short_wq_1]
100024 D - 0xfffffe000776bd00 [linuxkpi_short_wq_2]
100025 D - 0xfffffe000776bd00 [linuxkpi_short_wq_3]
100026 D - 0xfffffe000776b800 [linuxkpi_long_wq_0]
100027 D - 0xfffffe000776b800 [linuxkpi_long_wq_1]
100028 D - 0xfffffe000776b800 [linuxkpi_long_wq_2]
100029 D - 0xfffffe000776b800 [linuxkpi_long_wq_3]
100036 D - 0xfffffe0053eef100 [firmware taskq]
100040 D - 0xfffffe0053eeeb00 [crypto_0]
100041 D - 0xfffffe0053eeeb00 [crypto_1]
100056 D - 0xfffffe0053eede00 [vtnet0 rxq 0]
100057 D - 0xfffffe0053eedd00 [vtnet0 txq 0]
100058 D - 0xfffffe0053eedc00 [vtnet0 rxq 1]
100059 D - 0xfffffe0053eedb00 [vtnet0 txq 1]
100061 D vtbslp 0xfffffe0007790680 [virtio_balloon]
100065 D - 0xffffffff827c51a1 [deadlkres]
100069 D - 0xfffffe0058500100 [acpi_task_0]
100070 D - 0xfffffe0058500100 [acpi_task_1]
100071 D - 0xfffffe0058500100 [acpi_task_2]
100073 D - 0xfffffe000776ee00 [mca taskq]
100074 D - 0xfffffe0053eee600 [CAM taskq]
100076 D - 0xfffffe0053eec600 [ipsec_offload]
100523 D - 0xfffffe00584fec00 [netlink_socket (PID]
100686 D - 0xfffffe0053eef800 [netlink_socket (PID]
100913 D - 0xfffffe0077a38000 [system_taskq_0]
100914 D - 0xfffffe0077a38000 [system_taskq_1]
100915 D - 0xfffffe0077a37e00 [system_delay_taskq_]
100916 D - 0xfffffe0077a37e00 [system_delay_taskq_]
100917 D - 0xfffffe0077a37b00 [zvol_tq-0_0]
100918 D - 0xfffffe0077a37b00 [zvol_tq-0_1]
100919 D - 0xfffffe0077a37b00 [zvol_tq-0_2]
100920 D - 0xfffffe0077a37b00 [zvol_tq-0_3]
100921 D - 0xfffffe0077a37b00 [zvol_tq-0_4]
100922 D - 0xfffffe0077a37b00 [zvol_tq-0_5]
100923 D - 0xfffffe0077a37b00 [zvol_tq-0_6]
100924 D - 0xfffffe0077a37b00 [zvol_tq-0_7]
100925 D - 0xfffffe0077a37b00 [zvol_tq-0_8]
100926 D - 0xfffffe0077a37b00 [zvol_tq-0_9]
100927 D - 0xfffffe0077a37b00 [zvol_tq-0_10]
100928 D - 0xfffffe0077a37b00 [zvol_tq-0_11]
100929 D - 0xfffffe0077a37b00 [zvol_tq-0_12]
100930 D - 0xfffffe0077a37b00 [zvol_tq-0_13]
100931 D - 0xfffffe0077a37b00 [zvol_tq-0_14]
100932 D - 0xfffffe0077a37b00 [zvol_tq-0_15]
100933 D - 0xfffffe0077a37b00 [zvol_tq-0_16]
100934 D - 0xfffffe0077a37b00 [zvol_tq-0_17]
100935 D - 0xfffffe0077a37b00 [zvol_tq-0_18]
100936 D - 0xfffffe0077a37b00 [zvol_tq-0_19]
100937 D - 0xfffffe0077a37b00 [zvol_tq-0_20]
100938 D - 0xfffffe0077a37b00 [zvol_tq-0_21]
100939 D - 0xfffffe0077a37b00 [zvol_tq-0_22]
100940 D - 0xfffffe0077a37b00 [zvol_tq-0_23]
100941 D - 0xfffffe0077a37b00 [zvol_tq-0_24]
100942 D - 0xfffffe0077a37b00 [zvol_tq-0_25]
100943 D - 0xfffffe0077a37b00 [zvol_tq-0_26]
100944 D - 0xfffffe0077a37b00 [zvol_tq-0_27]
100945 D - 0xfffffe0077a37b00 [zvol_tq-0_28]
100946 D - 0xfffffe0077a37b00 [zvol_tq-0_29]
100947 D - 0xfffffe0077a37b00 [zvol_tq-0_30]
100948 D - 0xfffffe0077a37b00 [zvol_tq-0_31]
100949 D - 0xfffffe0079698100 [arc_prune]
100950 D - 0xfffffe0079697e00 [arc_flush_0]
100951 D - 0xfffffe0079697e00 [arc_flush_1]
100969 D - 0xfffffe0079697900 [dbu_evict]
100984 D - 0xfffffe0079697300 [z_vdev_file_0]
100985 D - 0xfffffe0079697300 [z_vdev_file_1]
100986 D - 0xfffffe0079697300 [z_vdev_file_2]
100987 D - 0xfffffe0079697300 [z_vdev_file_3]
100988 D - 0xfffffe0079697300 [z_vdev_file_4]
100989 D - 0xfffffe0079697300 [z_vdev_file_5]
100990 D - 0xfffffe0079697300 [z_vdev_file_6]
100991 D - 0xfffffe0079697300 [z_vdev_file_7]
100992 D - 0xfffffe0079697300 [z_vdev_file_8]
100993 D - 0xfffffe0079697300 [z_vdev_file_9]
100994 D - 0xfffffe0079697300 [z_vdev_file_10]
100995 D - 0xfffffe0079697300 [z_vdev_file_11]
100996 D - 0xfffffe0079697300 [z_vdev_file_12]
100997 D - 0xfffffe0079697300 [z_vdev_file_13]
100998 D - 0xfffffe0079697300 [z_vdev_file_14]
100999 D - 0xfffffe0079697300 [z_vdev_file_15]
101020 D - 0xfffffe0079ba0400 [zfsvfs]
101108 D - 0xfffffe0079b9f900 [netlink_socket (PID]
925 1 768 0 Z syz-executor
db> show all locks
Process 1416 (arp) thread 0xfffffe00541ca000 (101207)
exclusive sleep mutex pmap (pmap) r = 0 (0xfffffe00540d05a0) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:7226
shared sx vm map (user) (vm map (user)) r = 0 (0xfffffe00540d04f0) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4998
Process 1411 (ifconfig) thread 0xfffffe00541ce000 (101163)
exclusive sx ifnet_detach_sx (ifnet_detach_sx) r = 0 (0xffffffff83cbe600) locked @ /syzkaller/managers/main/kernel/sys/net/if.c:3000
Process 1392 (ifconfig) thread 0xfffffe00541c6000 (101157)
exclusive sx in6_control (in6_control) r = 0 (0xffffffff83ce4080) locked @ /syzkaller/managers/main/kernel/sys/netinet6/in6.c:431
db> show malloc
Type InUse MemUse Requests
pf_hash 6 12804K 6
linker 425 12680K 882
sctp_stro 5 6919K 10
tcp_hpts 7 4801K 7
devbuf 4187 4323K 4220
solaris 2246 3597K 4472
sysctloid 45144 2652K 45256
vtbuf 24 1968K 46
filedesc 205 1640K 1138
kobj 330 1320K 563
newblk 6 1026K 4103
vfscache 3 1025K 3
pcb 72 709K 441
subproc 317 667K 1586
inodedep 11 516K 1078
ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
intr 4 472K 4
vmem 5 276K 10
vnet_data 2 224K 2
acpitask 1 224K 1
KTRACE 101 201K 84948
acpica 1674 184K 54444
tidhash 3 141K 3
pagedep 9 130K 601
tfo_ccache 1 128K 1
IP reass 1 128K 1
DEVFS1 117 117K 146
sem 4 106K 4
gtaskqueue 18 98K 18
routetbl 419 90K 829
kdtrace 442 83K 2653
bus 1006 82K 5090
umtx 624 78K 624
md_sectors 19 76K 19
mtx_pool 3 74K 3
syncache 1 68K 1
NFSD srvcache 3 68K 3
module 526 66K 534
ddb_capture 1 64K 1
shm 6 42K 25
DEVFS3 136 34K 148
hostcache 1 32K 1
msg 4 30K 4
kbdmux 6 28K 6
ifaddr 109 27K 111
LRO 26 27K 32
lltable 75 23K 84
ifnet 12 23K 13
temp 52 22K 2634
md_disk 24 21K 28
DEVFS_RULE 56 20K 56
kstat_data 19 19K 19
ether_multi 228 19K 253
ufs_mount 4 17K 5
proc 3 17K 3
filemon 2 16K 19
tty 16 16K 16
GEOM 96 16K 702
ithread 90 15K 90
bus-sc 34 15K 1656
eventhandler 166 14K 166
shmfd 10 12K 21
kqueue 163 12K 2111
kenv 95 12K 95
plimit 29 11K 1043
taskqueue 102 11K 195
CAM queue 5 11K 1528
in6_multi 75 10K 87
rman 82 10K 467
pwddesc 150 10K 1450
cred 37 10K 406
rpc 8 9K 8
sctp_atcl 23 9K 136
bmsafemap 2 9K 954
devstat 4 9K 4
UART 12 9K 12
ksem 1 8K 3
pfs_vncache 1 8K 1
audit_evclass 240 8K 303
UMA 342 7K 342
sglist 6 7K 6
CAM DEV 3 6K 510
DEVFSP 94 6K 252
pf_ifnet 15 6K 34
pfs_nodes 22 6K 22
kcovinfo 81 6K 108
ufs_dirhash 24 5K 36
vt 11 5K 11
memdesc 1 4K 1
MCA 32 4K 32
evdev 4 4K 4
proc-args 161 4K 2647
acpisem 28 4K 28
tun 9 4K 9
mount 23 4K 1365
terminal 11 3K 11
CC Mem 22 3K 349
uidinfo 5 3K 22
acpidev 20 3K 20
ip6ndp 18 3K 21
lockf 22 3K 398
sctp_ifa 19 3K 21
hhook 8 3K 10
clone 9 3K 9
local_apic 1 2K 1
io_apic 1 2K 1
ipsec-saq 2 2K 2
in_multi 8 2K 15
osd 84 2K 428
BPF 12 2K 77
Unitno 31 2K 435
inpcbpolicy 55 2K 825
crypto 5 2K 44
CAM XPT 22 2K 543
ip6opt 8 2K 117
nhops 6 2K 10
vnodemarker 3 2K 97
selfd 24 2K 361757
toponodes 6 2K 6
session 12 2K 85
ipsecpolicy 2 2K 2
mld 11 2K 11
igmp 11 2K 11
sctp_timw 5 2K 5
diradd 10 2K 880
msi 9 2K 9
netlink 2 2K 179
sctp_atky 28 2K 147
sctp_ifn 8 1K 21
softdep 1 1K 1
sahead 1 1K 1
secasvar 1 1K 1
NFSD session 1 1K 1
CAM periph 4 1K 271
ipsec 3 1K 3
pfil 6 1K 6
isadev 6 1K 12
pci_link 10 1K 10
newdirblk 5 1K 528
mkdir 5 1K 1056
encap_export_host 12 1K 12
sctp_stri 1 1K 2
cryptodev 7 1K 167
inotify 2 1K 5
cdev 2 1K 2
lkpikmalloc 8 1K 9
counter_rate 14 1K 14
sctp_aadr 6 1K 15
chacha20random 1 1K 1
biobuf 1 1K 1
sctp_athm 23 1K 140
vnodes 1 1K 6
ktls 1 1K 20
select 2 1K 91
ioctlops 1 1K 189
loginclass 4 1K 6
filedesc_to_leader 4 1K 9
NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
DEVFS 9 1K 10
CAM SIM 2 1K 2
prison 8 1K 8
feeder 7 1K 7
taskq 2 1K 2
tcpfunc 3 1K 3
ip_msource 3 1K 9
sctp_map 10 1K 20
nexusdev 8 1K 8
apmdev 1 1K 1
atkbddev 2 1K 2
ip6_msource 2 1K 15
ip6_moptions 4 1K 16
VN POLL 1 1K 9
aio 4 1K 16
eventfd 1 1K 7
pmchooks 1 1K 1
CAM path 4 1K 1034
CAM dev queue 2 1K 2
CAM I/O Scheduler 1 1K 1
in_mfilter 2 1K 17
sctp_vrf 1 1K 1
ip_moptions 1 1K 12
vnet 1 1K 1
pmc 1 1K 1
sigio 1 1K 5
entropy 2 1K 42
acpiintr 1 1K 1
cpus 2 1K 2
vnet_data_free 1 1K 1
Per-cpu 1 1K 1
freework 1 1K 1068
p1003.1b 1 1K 1
sfs_nodes 0 0K 0
zones_data 0 0K 0
ext2_mount 0 0K 0
ext2_node 0 0K 0
ext2_extents 0 0K 0
mqdata 0 0K 0
sctp_mcore 0 0K 0
sctp_socko 0 0K 55
sctp_iter 0 0K 38
sctp_mvrf 0 0K 0
sctp_cpal 0 0K 17
sctp_cmsg 0 0K 0
sctp_stre 0 0K 0
sctp_athi 0 0K 0
sctp_a_it 0 0K 21
ipcomp 0 0K 0
esp 0 0K 0
ah 0 0K 0
pf_table 0 0K 0
pf_rule 0 0K 12
pf_altq 0 0K 0
pf_osfp 0 0K 0
pf_krule_item 0 0K 0
pf_temp 0 0K 0
tcp_pcm_rack 0 0K 4
tcp_do_rack 0 0K 0
tcp_fsb_rack 0 0K 8
madt_table 0 0K 2
smartpqi 0 0K 0
ixl 0 0K 0
ice-resmgr 0 0K 0
ice-osdep 0 0K 0
ice 0 0K 0
iavf 0 0K 0
axgbe 0 0K 0
fpukern_ctx 0 0K 0
xen_intr 0 0K 0
xen_hvm 0 0K 0
legacydrv 0 0K 0
NMI handlers 0 0K 0
bounce 0 0K 0
busdma 0 0K 0
qpidrv 0 0K 0
dmar_idpgtbl 0 0K 0
dmar_dom 0 0K 0
dmar_ctx 0 0K 0
amdiommu_dom 0 0K 0
amdiommu_ctx 0 0K 0
isci 0 0K 0
iommu_dmamap 0 0K 0
hyperv_socket 0 0K 0
bxe_ilt 0 0K 0
aesni_data 0 0K 0
xenbus 0 0K 0
vm_fictitious 0 0K 0
UMAHash 0 0K 0
vm_pgdata 0 0K 0
jblocks 0 0K 0
savedino 0 0K 535
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 54
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
dirrem 0 0K 852
freefile 0 0K 686
freeblks 0 0K 581
freefrag 0 0K 284
allocindir 0 0K 0
indirdep 0 0K 578
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
ktls_ocf 0 0K 3
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5E_TLS_RX 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
MLX5EEPROM 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
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
simple_attr 0 0K 0
seq_file 0 0K 0
lkpiskb 0 0K 0
radix 0 0K 0
idr 0 0K 0
lkpindev 0 0K 0
lkpimhi 0 0K 0
lkpifw 0 0K 0
lkpi80211 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
in6_mfilter 0 0K 27
frag6 0 0K 47
tcplog 0 0K 0
tcp_hwpace 0 0K 0
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 0 0K 0
iflib 0 0K 0
vlan 0 0K 0
gif 0 0K 0
ifdescr 0 0K 0
zlib 0 0K 29
fadvise 0 0K 0
statfs 0 0K 213
namei_tracker 0 0K 7
export_host 0 0K 0
cl_savebuf 0 0K 144
lio 0 0K 33
acl 0 0K 0
soname 0 0K 4036
mbuf_tag 0 0K 0
accf 0 0K 0
pts 0 0K 0
timerfd 0 0K 0
procdesc 0 0K 8
iov 0 0K 23792
Witness 0 0K 0
stack 0 0K 0
sbuf 0 0K 502
firmware 0 0K 0
compressor 0 0K 0
SWAP 0 0K 0
sysctltmp 0 0K 722
sysctl 0 0K 3
ekcd 0 0K 0
dumper 0 0K 0
sendfile 0 0K 25
rctl 0 0K 0
cache 0 0K 0
prison_racct 0 0K 0
Fail Points 0 0K 0
filecaps 0 0K 79
pwd 0 0K 0
tty console 0 0K 0
boottrace 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 114
geom_flashmap 0 0K 0
tmpfs dir 0 0K 0
tmpfs name 0 0K 0
tmpfs mount 0 0K 0
tmpfs extattr 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
NFSD rollback 0 0K 0
NFSCL diroff 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
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
msdosfs_fat 0 0K 0
msdosfs_mount 0 0K 0
msdosfs_node 0 0K 0
DEVFS4 0 0K 0
DEVFS2 0 0K 0
gntdev 0 0K 0
privcmd_dev 0 0K 0
evtchn_dev 0 0K 0
xenstore 0 0K 0
xnb 0 0K 0
xen_acpi 0 0K 0
xbbd 0 0K 0
xbd 0 0K 0
Balloon 0 0K 0
sysmouse 0 0K 0
vtfont 0 0K 0
pvscsi 0 0K 0
USBdev 0 0K 0
USB 0 0K 0
twsbuf 0 0K 0
tcp_log_dev 0 0K 6
midi buffers 0 0K 0
mixer 0 0K 0
ac97 0 0K 0
hdacc 0 0K 0
hdac 0 0K 0
hdaa 0 0K 0
SIIS driver 0 0K 0
PUC 0 0K 0
ppbusdev 0 0K 0
sr_iov 0 0K 0
OCS 0 0K 0
OCS 0 0K 0
nvme 0 0K 0
nvd 0 0K 0
netmap 0 0K 0
mwldev 0 0K 0
MVS driver 0 0K 0
mpi3mrbuf 0 0K 0
mrsasbuf 0 0K 0
mpt_user 0 0K 0
mps_user 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
malodev 0 0K 0
LED 0 0K 0
ix_sriov 0 0K 0
ix 0 0K 0
ipsbuf 0 0K 0
ciss_data 0 0K 0
BACKLIGHT 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
AHCI driver 0 0K 0
agp 0 0K 0
acpipwr 0 0K 0
acpi_perf 0 0K 0
acpicmbat 0 0K 0
aacraidcam 0 0K 0
aacraid_buf 0 0K 0
aaccam 0 0K 0
aacbuf 0 0K 0
zstd 0 0K 0
XZ_DEC 0 0K 0
nvlist 0 0K 357
SCSI ENC 0 0K 0
SCSI sa 0 0K 0
scsi_pass 0 0K 0
scsi_da 0 0K 70
ata_da 0 0K 0
scsi_ch 0 0K 0
scsi_cd 0 0K 0
nvme_da 0 0K 0
CAM CCB 0 0K 523
CAM ccb queue 0 0K 0
db> show uma
Zone Size Used Free Requests Sleeps Bucket Total Mem XFree
mbuf_jumbo_page 4096 8347 1051 19169 0 254 38494208 0
tcp_log 416 10219 5531 51057 0 254 6552000 0
ertt_txseginfo 40 161544 561 169984 0 254 6484200 0
mbuf 256 9099 563 217372 0 254 2473472 0
RADIX NODE 152 15793 244 59570 0 62 2437624 0
mbuf_cluster 2048 508 508 510 0 254 2080768 0
malloc-128 128 14767 113 16298 0 126 1904640 0
BUF TRIE 152 420 11384 3184 0 62 1794208 0
malloc-16384 16384 104 5 753 0 1 1785856 0
malloc-384 384 4118 52 4118 0 30 1601280 0
malloc-4096 4096 333 11 1053 0 2 1409024 0
UMA Slabs 0 112 11583 3 11583 0 126 1297632 0
vmem btag 56 22606 113 22606 0 254 1272264 0
sctp_asoc 2256 5 505 10 0 254 1150560 0
zio_buf_comb_1048576 1048576 0 1 15 0 1 1048576 0
malloc-64 64 280 15722 363363 0 254 1024128 0
malloc-65536 65536 11 1 24 0 1 786432 0
FFS inode 1168 646 19 1351 0 8 776720 0
malloc-4096 4096 165 5 1450 0 2 696320 0
malloc-256 256 2491 119 4537 0 62 668160 0
sctp_ep 1152 17 494 125 0 254 588672 0
THREAD 1860 290 22 1230 0 8 580320 0
md3 32768 16 0 16 0 1 524288 0
md2 32768 16 0 16 0 1 524288 0
256 Bucket 2048 233 23 2719 0 8 524288 0
VM OBJECT 248 2003 109 21097 0 62 523776 0
socket 1024 79 429 2491 0 254 520192 0
lkpicurr 168 2 3094 2 0 62 520128 0
pbuf 2624 0 178 0 0 2 467072 0
malloc-65536 65536 6 0 6 0 1 393216 0
MAP ENTRY 96 3747 285 74048 0 126 387072 0
sctp_raddr 736 5 512 10 0 254 380512 0
malloc-64 64 5268 87 6940 0 254 342720 0
VNODE 440 689 67 1397 0 30 332640 0
malloc-16 16 18617 383 20770 0 254 304000 0
FPU_save_area 832 292 50 1733 0 16 284544 0
malloc-32 32 7377 309 8539 0 254 245952 0
malloc-2048 2048 106 14 459 0 8 245760 0
UMA Zones 768 314 0 314 0 16 241152 0
PROC 1376 150 15 1421 0 8 227040 0
DEVCTL 1024 77 143 204 0 0 225280 0
malloc-65536 65536 0 3 77 0 1 196608 0
malloc-32768 32768 2 4 22 0 1 196608 0
malloc-4096 4096 47 1 300 0 2 196608 0
FFS2 dinode 256 646 104 1351 0 62 192000 0
malloc-128 128 1213 182 30105 0 126 178560 0
lkpimm 56 1 3095 1 0 254 173376 0
filedesc0 1072 150 11 1450 0 8 172592 0
unpcb 320 8 508 1456 0 254 165120 0
malloc-32768 32768 0 5 417 0 1 163840 0
malloc-32768 32768 0 5 113 0 1 163840 0
malloc-256 256 63 567 5025 0 62 161280 0
S VFS Cache 104 1042 362 1956 0 126 146016 0
zio_buf_comb_131072 131072 0 1 1 0 1 131072 0
malloc-65536 65536 2 0 2 0 1 131072 0
malloc-65536 65536 0 2 118 0 1 131072 0
malloc-32768 32768 4 0 4 0 1 131072 0
malloc-1024 1024 122 6 151 0 16 131072 0
mbuf_packet 256 27 481 4953 0 254 130048 0
tcp_inpcb 1304 22 74 348 0 8 125184 0
ksiginfo 112 151 893 631 0 126 116928 0
UMA Kegs 384 300 3 300 0 30 116352 0
malloc-128 128 732 167 2447 0 126 115072 0
malloc-128 128 670 229 1410 0 126 115072 0
malloc-8192 8192 11 3 23 0 1 114688 0
malloc-2048 2048 18 38 1108 0 8 114688 0
malloc-16384 16384 3 3 13 0 1 98304 0
malloc-384 384 197 43 232 0 30 92160 0
syncache 168 0 528 4 0 254 88704 0
128 Bucket 1024 55 28 329 0 16 84992 0
tcp_bbr_map 128 334 317 463 0 126 83328 0
64 Bucket 512 99 61 5707 0 30 81920 0
sctp_chunk 152 9 511 9 0 254 79040 0
VMSPACE 584 119 14 1375 0 16 77672 0
g_bio 408 0 180 17277 0 30 73440 0
malloc-384 384 94 86 1201 0 30 69120 0
malloc-64 64 517 554 49079 0 254 68544 0
malloc-128 128 307 220 380 0 126 67456 0
md1 8 8192 192 8192 0 254 67072 0
malloc-32768 32768 2 0 2 0 1 65536 0
malloc-32768 32768 0 2 138 0 1 65536 0
malloc-8192 8192 5 3 145 0 1 65536 0
malloc-2048 2048 21 11 206 0 8 65536 0
malloc-256 256 146 109 256 0 62 65280 0
malloc-256 256 68 187 2875 0 62 65280 0
malloc-256 256 171 84 810 0 62 65280 0
32 Bucket 256 84 171 5257 0 62 65280 0
sctp_stream_msg_out 112 0 540 2 0 254 60480 0
malloc-4096 4096 11 3 122 0 2 57344 0
malloc-64 64 470 349 710 0 254 52416 0
malloc-64 64 183 636 2225 0 254 52416 0
Files 80 301 349 11505 0 126 52000 0
TURNSTILE 136 313 65 313 0 62 51408 0
malloc-256 256 63 132 2538 0 62 49920 0
zio_data_buf_16384 16384 0 3 9 0 1 49152 0
DIRHASH 1024 34 14 42 0 16 49152 0
NAMEI 1024 0 48 19339 0 16 49152 0
malloc-16384 16384 3 0 3 0 1 49152 0
malloc-16384 16384 0 3 3 0 1 49152 0
malloc-8192 8192 3 3 22 0 1 49152 0
malloc-2048 2048 3 21 50 0 8 49152 0
malloc-2048 2048 14 10 57 0 8 49152 0
malloc-1024 1024 26 22 2185 0 16 49152 0
malloc-1024 1024 17 31 1795 0 16 49152 0
pcpu-8 8 5752 392 6431 0 254 49152 0
malloc-384 384 83 37 1440 0 30 46080 0
vnpbuf 2624 0 16 3 0 16 41984 0
malloc-8192 8192 4 1 5 0 1 40960 0
pipe 736 26 29 391 0 16 40480 0
ttyinq 160 135 115 1380 0 62 40000 0
sctp_readq 152 0 260 1 0 254 39520 0
cpuset 200 10 182 208 0 62 38400 0
da_ccb 544 0 70 4514 0 16 38080 0
udp_inpcb 408 14 76 301 0 30 36720 0
hostcache 64 4 563 4 0 254 36288 0
---
This report is generated by a bot. It may contain errors.
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syzbot
Oct 8, 2025, 8:27:16 PMOct 8
to syzkaller-f...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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