panic: ASan: Invalid access, 2-byte read in sctp_chunk_output
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syzbot
Jul 16, 2021, 1:42:24 PM7/16/21
to syzkaller-f...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: ae47eecf87b5 Hide arm64 features that don't have a HWCAP
git tree: https://github.com/freebsd/freebsd-src.git main
console output: https://syzkaller.appspot.com/x/log.txt?x=125356f2300000
dashboard link: https://syzkaller.appspot.com/bug?extid=a83a01983b6e3068ab6d
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+a83a01...@syzkaller.appspotmail.com
panic: ASan: Invalid access, 2-byte read at 0xfffffe00a1c6187c, UMAUseAfterFree(fd)
cpuid = 0
time = 1626457414
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00077eb730
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00077eb890
vpanic() at vpanic+0x2c5/frame 0xfffffe00077eb970
panic() at panic+0xb5/frame 0xfffffe00077eba30
__asan_load2_noabort() at __asan_load2_noabort+0x167/frame 0xfffffe00077ebaf0
sctp_chunk_output() at sctp_chunk_output+0x287c/frame 0xfffffe00077ec710
sctp_timeout_handler() at sctp_timeout_handler+0x188b/frame 0xfffffe00077ec850
softclock_call_cc() at softclock_call_cc+0x3d9/frame 0xfffffe00077eca00
softclock() at softclock+0x152/frame 0xfffffe00077eca50
ithread_loop() at ithread_loop+0x4f1/frame 0xfffffe00077ecbb0
fork_exit() at fork_exit+0xd0/frame 0xfffffe00077ecbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00077ecbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100032 ]
Stopped at kdb_enter+0x6b: movq $0,0x28ef61a(%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 0xf066b2da839ad410
rdx 0x1
rbx 0
rsp 0xfffffe00077eb870
rbp 0xfffffe00077eb890
rsi 0
rdi 0xffffffff817a69f9 vprintf+0x319
r8 0x3
r9 0xfffffe00077eb3c8
r10 0
r11 0x3d26c813
r12 0xfffffe0053dfa020
r13 0xfffffe00077eb801
r14 0xffffffff82c561c0 .str.18
r15 0xffffffff82c561c0 .str.18
rip 0xffffffff8179a41b kdb_enter+0x6b
rflags 0x46
kdb_enter+0x6b: movq $0,0x28ef61a(%rip)
db> show proc
Process 12 (intr) at 0xfffffe0053deca70:
state: NORMAL
uid: 0 gids: 0
parent: pid 0 at 0xffffffff8402ae00
ABI: null
flag: 0x10000284 flag2: 0
reaper: 0xffffffff8402ae00 reapsubtree: 12
sigparent: 20
vmspace: 0xffffffff8402bd80
(map 0xffffffff8402bd80)
(map.pmap 0xffffffff8402be40)
(pmap 0xffffffff8402bea0)
threads: 23
100010 I [swi6: task queue]
100011 I [swi6: Giant taskq]
100014 I [swi5: fast taskq]
100030 L *kernel 0xfffffe009e503180 [swi1: netisr 0]
100031 I [swi3: vm]
100032 Run CPU 0 [swi4: clock (0)]
100033 I [swi4: clock (1)]
100034 I [swi1: hpts]
100035 I [swi1: hpts]
100048 I [irq24: virtio_pci0]
100049 I [irq25: virtio_pci0]
100050 I [irq26: virtio_pci0]
100051 I [irq27: virtio_pci0]
100052 I [irq28: virtio_pci1]
100053 I [irq29: virtio_pci1]
100054 I [irq30: virtio_pci1]
100055 I [irq31: virtio_pci1]
100056 I [irq32: virtio_pci1]
100061 I [irq10: virtio_pci2]
100063 I [irq1: atkbd0]
100064 I [irq12: psm0]
100065 I [swi0: uart uart++]
100073 I [swi1: pf send]
db> ps
pid ppid pgrp uid state wmesg wchan cmd
7045 785 785 0 R (threaded) syz-executor.3
109418 RunQ syz-executor.3
110069 RunQ syz-executor.3
110070 RunQ syz-executor.3
110071 RunQ syz-executor.3
7044 784 784 0 LE *sctp-cr 0xfffffe00a87ee300 syz-executor.2
7039 783 783 0 T (threaded) syz-executor.1
110014 s syz-executor.1
110059 RunQ syz-executor.1
6855 1 783 0 S uwait 0xfffffe009bd17380 syz-executor.1
6852 1 783 0 S uwait 0xfffffe00a1d5e800 syz-executor.1
6850 1 783 0 S uwait 0xfffffe00a1c37e80 syz-executor.1
6847 1 783 0 S uwait 0xfffffe00a87efe80 syz-executor.1
6846 1 782 0 S uwait 0xfffffe00a87efd80 syz-executor.0
6842 1 782 0 S uwait 0xfffffe00a87ef000 syz-executor.0
6841 1 783 0 S uwait 0xfffffe00a865d080 syz-executor.1
6837 1 782 0 S uwait 0xfffffe009e9e1700 syz-executor.0
6836 1 783 0 S uwait 0xfffffe00a77cbd80 syz-executor.1
6833 1 783 0 S uwait 0xfffffe00a87efc80 syz-executor.1
6831 1 783 0 S uwait 0xfffffe00a820d680 syz-executor.1
6318 1 784 0 S uwait 0xfffffe00a865d300 syz-executor.2
6316 1 784 0 S uwait 0xfffffe00a86df700 syz-executor.2
6119 6118 6119 0 S uwait 0xfffffe00a1c37e00 syz-executor.3
6118 1 785 0 SV wait 0xfffffe00a8599a70 syz-executor.3
6116 6115 6116 0 S uwait 0xfffffe00a87ef500 syz-executor.2
6115 1 784 0 SV wait 0xfffffe00a87f6538 syz-executor.2
6109 6108 6109 0 S uwait 0xfffffe00a87ef300 syz-executor.3
6108 1 785 0 SV wait 0xfffffe00a85c0000 syz-executor.3
6104 6103 6104 0 S uwait 0xfffffe00a1c37180 syz-executor.2
6103 1 784 0 SV wait 0xfffffe00a82a2a70 syz-executor.2
6099 6098 6099 0 S uwait 0xfffffe00a87ef800 syz-executor.3
6098 1 785 0 SV wait 0xfffffe00a8755000 syz-executor.3
6093 6091 6093 0 S uwait 0xfffffe00a865d200 syz-executor.2
6091 1 784 0 SV wait 0xfffffe00a859c000 syz-executor.2
6087 6086 6087 0 S uwait 0xfffffe00a86df000 syz-executor.2
6086 1 784 0 SV uwait 0xfffffe00a7023e00 syz-executor.2
6083 6081 6083 0 S uwait 0xfffffe00a86df980 syz-executor.2
6081 1 784 0 SV wait 0xfffffe00a76caa70 syz-executor.2
5985 1 785 0 S uwait 0xfffffe009e2b6180 syz-executor.3
5323 1 783 0 S uwait 0xfffffe00a1c37600 syz-executor.1
5315 1 783 0 S uwait 0xfffffe00a7023180 syz-executor.1
5314 1 784 0 S uwait 0xfffffe00a1d5e600 syz-executor.2
5310 1 784 0 S uwait 0xfffffe009e504700 syz-executor.2
5308 1 785 0 S uwait 0xfffffe00a86dfc80 syz-executor.3
5307 1 783 0 S uwait 0xfffffe00a86dfd80 syz-executor.1
5306 1 784 0 S uwait 0xfffffe009bd17400 syz-executor.2
5301 1 785 0 S uwait 0xfffffe00a87ef400 syz-executor.3
5298 1 785 0 S uwait 0xfffffe00a865d000 syz-executor.3
5294 1 785 0 S uwait 0xfffffe00a86dfb80 syz-executor.3
5292 1 785 0 S uwait 0xfffffe00a86df200 syz-executor.3
4774 1 784 0 S uwait 0xfffffe009e2b6080 syz-executor.2
4770 1 784 0 S uwait 0xfffffe00a1c74900 syz-executor.2
4767 1 784 0 S uwait 0xfffffe009e504380 syz-executor.2
4764 1 784 0 S uwait 0xfffffe00a7023680 syz-executor.2
4762 1 784 0 S uwait 0xfffffe00a1d5e300 syz-executor.2
4760 1 784 0 S uwait 0xfffffe00a1d5e480 syz-executor.2
4757 1 784 0 S uwait 0xfffffe00a1c74500 syz-executor.2
4755 1 784 0 S uwait 0xfffffe00a799be80 syz-executor.2
4751 1 784 0 S uwait 0xfffffe009e9fa100 syz-executor.2
4749 1 784 0 S uwait 0xfffffe00a7023280 syz-executor.2
4748 1 784 0 S uwait 0xfffffe00a7023580 syz-executor.2
4562 1 782 0 S uwait 0xfffffe00a1c37700 syz-executor.0
3532 1 784 0 S uwait 0xfffffe00a7023980 syz-executor.2
3531 1 783 0 S uwait 0xfffffe009e2b6b80 syz-executor.1
3529 1 784 0 S uwait 0xfffffe009e9fa700 syz-executor.2
3526 1 784 0 S uwait 0xfffffe00a1c37a00 syz-executor.2
3523 1 783 0 S uwait 0xfffffe00a1d5e580 syz-executor.1
3521 1 784 0 S uwait 0xfffffe00a1c74200 syz-executor.2
3519 1 784 0 S uwait 0xfffffe00a7023a80 syz-executor.2
3517 1 782 0 S uwait 0xfffffe00a7023780 syz-executor.0
3516 1 783 0 S uwait 0xfffffe00a7023480 syz-executor.1
3511 1 784 0 S uwait 0xfffffe00a7023d80 syz-executor.2
3508 1 782 0 S uwait 0xfffffe00a1c37d00 syz-executor.0
3504 1 782 0 S uwait 0xfffffe009e9fa300 syz-executor.0
3502 1 782 0 S uwait 0xfffffe009bd17500 syz-executor.0
3501 1 782 0 S uwait 0xfffffe00a1d5e500 syz-executor.0
2661 1 783 0 S umtxn 0xfffffe00a1d5ed80 syz-executor.1
2656 1 783 0 S uwait 0xfffffe00a7023380 syz-executor.1
2648 1 783 0 S uwait 0xfffffe009e504300 syz-executor.1
2646 1 783 0 S uwait 0xfffffe00a1c37280 syz-executor.1
2640 1 783 0 S uwait 0xfffffe00a1d5e900 syz-executor.1
2150 1 2150 65 Ss select 0xfffffe00a1d5eb40 dhclient
2017 1 785 0 S uwait 0xfffffe00a7023880 syz-executor.3
2016 1 782 0 S uwait 0xfffffe009e48c980 syz-executor.0
2013 1 784 0 S uwait 0xfffffe009e48c600 syz-executor.2
2011 1 785 0 S uwait 0xfffffe00a1c74c80 syz-executor.3
2009 1 782 0 S uwait 0xfffffe00573d9300 syz-executor.0
2006 1 784 0 S uwait 0xfffffe00a1c74100 syz-executor.2
2004 1 783 0 S uwait 0xfffffe009e2b6680 syz-executor.1
2003 1 785 0 S uwait 0xfffffe00a1d5ec80 syz-executor.3
2002 1 782 0 S uwait 0xfffffe00a1c74300 syz-executor.0
1998 1 784 0 S uwait 0xfffffe009e9fa680 syz-executor.2
1996 1 783 0 S uwait 0xfffffe00a1c74b80 syz-executor.1
1995 1 785 0 S uwait 0xfffffe00a1c37800 syz-executor.3
1993 1 782 0 S uwait 0xfffffe009e504d80 syz-executor.0
1989 1 783 0 S uwait 0xfffffe009e2b6580 syz-executor.1
1988 1 785 0 S uwait 0xfffffe00a1c74600 syz-executor.3
1987 1 782 0 S uwait 0xfffffe009bd17580 syz-executor.0
1982 1 782 0 S uwait 0xfffffe00a1c74d80 syz-executor.0
1981 1 785 0 S uwait 0xfffffe00a1c74400 syz-executor.3
1976 1 784 0 S uwait 0xfffffe009e9fa500 syz-executor.2
1975 1 782 0 S uwait 0xfffffe009e2b6780 syz-executor.0
1970 1 784 0 S uwait 0xfffffe00a1c37900 syz-executor.2
1969 1 782 0 S uwait 0xfffffe009e504a00 syz-executor.0
1964 1 782 0 S uwait 0xfffffe009e2b6480 syz-executor.0
1963 1 784 0 S uwait 0xfffffe00a1d5ee80 syz-executor.2
1960 1 784 0 S uwait 0xfffffe00a1c74000 syz-executor.2
1956 1 1956 0 Ss select 0xfffffe00a1d5ea40 dhclient
1953 1 1953 0 Ss select 0xfffffe00a7023ec0 dhclient
1944 1 784 0 S uwait 0xfffffe009e2b6880 syz-executor.2
1907 1 1907 65 Ss select 0xfffffe009e504440 dhclient
1654 1 1654 0 Ss select 0xfffffe009e5045c0 dhclient
1651 1 1651 0 Ss select 0xfffffe009e9e1840 dhclient
1640 1 1640 65 Ss select 0xfffffe009e5047c0 dhclient
1400 1 1400 0 Ss select 0xfffffe00a1d5e8c0 dhclient
1397 1 1397 0 Ss select 0xfffffe009bd174c0 dhclient
1362 1 1362 65 Ss select 0xfffffe00a1c746c0 dhclient
1105 1 784 0 S uwait 0xfffffe009e48cc80 syz-executor.2
1103 1 784 0 S uwait 0xfffffe0056fdf280 syz-executor.2
1101 1 784 0 S uwait 0xfffffe009e48c300 syz-executor.2
1099 1 784 0 S uwait 0xfffffe009e48cb80 syz-executor.2
1098 1 784 0 S uwait 0xfffffe009e48ca80 syz-executor.2
1041 1 1041 0 Ss select 0xfffffe00a1c747c0 dhclient
1038 1 1038 0 Ss select 0xfffffe009e9e17c0 dhclient
987 0 0 0 DL aiordy 0xfffffe00a1c49000 [aiod4]
986 0 0 0 DL aiordy 0xfffffe00a1c12a70 [aiod3]
985 0 0 0 DL aiordy 0xfffffe00a1ccea70 [aiod2]
984 0 0 0 DL aiordy 0xfffffe00a1cdea70 [aiod1]
785 780 785 0 Rs syz-executor.3
784 780 784 0 Rs syz-executor.2
783 780 783 0 Rs syz-executor.1
782 780 782 0 Rs syz-executor.0
780 778 778 0 R (threaded) syz-fuzzer
100095 S kqread 0xfffffe009bc3a400 syz-fuzzer
100120 RunQ syz-fuzzer
100121 S uwait 0xfffffe005834c180 syz-fuzzer
100122 S uwait 0xfffffe005834c280 syz-fuzzer
100123 S uwait 0xfffffe009e504b80 syz-fuzzer
100124 S uwait 0xfffffe009e504c80 syz-fuzzer
100125 S uwait 0xfffffe009e48c000 syz-fuzzer
100126 S uwait 0xfffffe009e48c100 syz-fuzzer
100127 S uwait 0xfffffe009e48c200 syz-fuzzer
105417 S uwait 0xfffffe00a865d600 syz-fuzzer
105418 S uwait 0xfffffe00a7023b80 syz-fuzzer
105419 S uwait 0xfffffe00a1d5e080 syz-fuzzer
105420 S uwait 0xfffffe009e2b6280 syz-fuzzer
778 776 778 0 Ss pause 0xfffffe009e35db20 csh
776 694 776 0 Ss select 0xfffffe009e5049c0 sshd
760 1 760 0 Ss+ ttyin 0xfffffe0056fe0cb0 getty
759 1 759 0 Ss+ ttyin 0xfffffe00583ed0b0 getty
758 1 758 0 Ss+ ttyin 0xfffffe00583ed4b0 getty
757 1 757 0 Ss+ ttyin 0xfffffe00583ed8b0 getty
756 1 756 0 Ss+ ttyin 0xfffffe00583edcb0 getty
755 1 755 0 Ss+ ttyin 0xfffffe00583950b0 getty
754 1 754 0 Ss+ ttyin 0xfffffe00583954b0 getty
753 1 753 0 Ss+ ttyin 0xfffffe00583958b0 getty
752 1 752 0 Ss+ ttyin 0xfffffe0058395cb0 getty
698 1 698 0 Ss nanslp 0xffffffff84056941 cron
694 1 694 0 Ss select 0xfffffe009bd172c0 sshd
507 1 507 0 Rs syslogd
436 1 436 0 Ss select 0xfffffe009e2b6940 devd
435 1 435 65 Ss select 0xfffffe009e2b6ac0 dhclient
350 1 350 0 Ss select 0xfffffe009bd17640 dhclient
347 1 347 0 Ss select 0xfffffe009e2b6b40 dhclient
23 0 0 0 DL syncer 0xffffffff8417ca40 [syncer]
22 0 0 0 DL vlruwt 0xfffffe0058747a70 [vnlru]
21 0 0 0 RL (threaded) [bufdaemon]
100083 RunQ [bufdaemon]
100088 D - 0xffffffff83411f80 [bufspacedaemon-0]
100098 RunQ [/ worker]
20 0 0 0 DL psleep 0xffffffff841b2cc0 [vmdaemon]
19 0 0 0 DL (threaded) [pagedaemon]
100081 D psleep 0xffffffff841a67f8 [dom0]
100086 D launds 0xffffffff841a6804 [laundry: dom0]
100087 D umarcl 0xffffffff81e909a0 [uma]
18 0 0 0 RL [rand_harvestq]
17 0 0 0 DL waiting 0xffffffff84b10460 [sctp_iterator]
16 0 0 0 DL pftm 0xffffffff84834d30 [pf purge]
15 0 0 0 DL - 0xffffffff84175dc0 [soaiod4]
9 0 0 0 DL - 0xffffffff84175dc0 [soaiod3]
8 0 0 0 DL - 0xffffffff84175dc0 [soaiod2]
7 0 0 0 DL - 0xffffffff84175dc0 [soaiod1]
6 0 0 0 DL (threaded) [cam]
100046 D - 0xffffffff83c93240 [doneq0]
100047 D - 0xffffffff83c931c0 [async]
100080 D - 0xffffffff83c93040 [scanner]
14 0 0 0 DL seqstat 0xfffffe0056aaac88 [sequencer 00]
5 0 0 0 DL crypto_ 0xfffffe00541aad80 [crypto returns 1]
4 0 0 0 DL crypto_ 0xfffffe00541aad30 [crypto returns 0]
3 0 0 0 DL crypto_ 0xffffffff841a08a0 [crypto]
13 0 0 0 DL (threaded) [geom]
100037 D - 0xffffffff84029f00 [g_event]
100038 D - 0xffffffff84029f40 [g_up]
100039 D - 0xffffffff84029f80 [g_down]
2 0 0 0 DL (threaded) [KTLS]
100028 D - 0xfffffe0053e16e00 [thr_0]
100029 D - 0xfffffe0053e16e80 [thr_1]
12 0 0 0 RL (threaded) [intr]
100010 I [swi6: task queue]
100011 I [swi6: Giant taskq]
100014 I [swi5: fast taskq]
100030 L *kernel 0xfffffe009e503180 [swi1: netisr 0]
100031 I [swi3: vm]
100032 Run CPU 0 [swi4: clock (0)]
100033 I [swi4: clock (1)]
100034 I [swi1: hpts]
100035 I [swi1: hpts]
100048 I [irq24: virtio_pci0]
100049 I [irq25: virtio_pci0]
100050 I [irq26: virtio_pci0]
100051 I [irq27: virtio_pci0]
100052 I [irq28: virtio_pci1]
100053 I [irq29: virtio_pci1]
100054 I [irq30: virtio_pci1]
100055 I [irq31: virtio_pci1]
100056 I [irq32: virtio_pci1]
100061 I [irq10: virtio_pci2]
100063 I [irq1: atkbd0]
100064 I [irq12: psm0]
100065 I [swi0: uart uart++]
100073 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 0xfffffe0053d51538 [init]
10 0 0 0 DL audit_w 0xffffffff841a1840 [audit]
0 0 0 0 RLs (threaded) [kernel]
100000 D swapin 0xffffffff8402ae00 [swapper]
100005 D - 0xfffffe0053c0d800 [softirq_0]
100006 D - 0xfffffe0053c0d600 [softirq_1]
100007 D - 0xfffffe0053c0d400 [if_io_tqg_0]
100008 D - 0xfffffe0053c0d200 [if_io_tqg_1]
100009 D - 0xfffffe0053c0d000 [if_config_tqg_0]
100012 Run CPU 1 [thread taskq]
100013 D - 0xfffffe000791b400 [inm_free taskq]
100015 D - 0xfffffe000791b200 [kqueue_ctx taskq]
100016 D - 0xfffffe000791b100 [linuxkpi_irq_wq]
100017 D - 0xfffffe000791b000 [aiod_kick taskq]
100018 D - 0xfffffe0053df5e00 [in6m_free taskq]
100019 D - 0xfffffe0053df5d00 [pci_hp taskq]
100020 D - 0xfffffe0053df5c00 [linuxkpi_short_wq_0]
100021 D - 0xfffffe0053df5c00 [linuxkpi_short_wq_1]
100022 D - 0xfffffe0053df5c00 [linuxkpi_short_wq_2]
100023 D - 0xfffffe0053df5c00 [linuxkpi_short_wq_3]
100024 D - 0xfffffe0053df5b00 [linuxkpi_long_wq_0]
100025 D - 0xfffffe0053df5b00 [linuxkpi_long_wq_1]
100026 D - 0xfffffe0053df5b00 [linuxkpi_long_wq_2]
100027 D - 0xfffffe0053df5b00 [linuxkpi_long_wq_3]
100036 D - 0xfffffe0053df5a00 [firmware taskq]
100040 D - 0xfffffe0053df5900 [crypto_0]
100041 D - 0xfffffe0053df5900 [crypto_1]
100057 D - 0xfffffe0053df5700 [vtnet0 rxq 0]
100058 D - 0xfffffe0053df5600 [vtnet0 txq 0]
100059 D - 0xfffffe0053df5500 [vtnet0 rxq 1]
100060 D - 0xfffffe0053df5400 [vtnet0 txq 1]
100062 D vtbslp 0xfffffe0056fc0400 [virtio_balloon]
100066 D - 0xfffffe0053df5300 [mca taskq]
100071 D - 0xffffffff82c5d140 [deadlkres]
100075 D - 0xfffffe0058392e00 [acpi_task_0]
100076 D - 0xfffffe0058392e00 [acpi_task_1]
100077 D - 0xfffffe0058392e00 [acpi_task_2]
100079 D - 0xfffffe0053df5800 [CAM taskq]
db> show all locks
Process 7045 (syz-executor.3) thread 0xfffffe00a7e61ac0 (110069)
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe00a8559468) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2510
Process 7045 (syz-executor.3) thread 0xfffffe00a80cc720 (110070)
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe00a91f2968) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2510
Process 7045 (syz-executor.3) thread 0xfffffe00a80ceac0 (110071)
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe00a91f1968) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2510
Process 12 (intr) thread 0xfffffe0053df6000 (100030)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00a75afc70) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:1311
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffffe00a7e1d488) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_input.c:4922
Process 12 (intr) thread 0xfffffe0053dfa020 (100032)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00a7e8e8b0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctputil.c:1768
Process 0 (kernel) thread 0xfffffe0053df21e0 (100012)
exclusive sleep mutex kernel arena domain (kernel arena domain) r = 0 (0xfffff800064bb000) locked @ /syzkaller/managers/main/kernel/sys/kern/subr_vmem.c:789
exclusive sleep mutex vmem list lock (vmem list lock) r = 0 (0xffffffff83409bc0) locked @ /syzkaller/managers/main/kernel/sys/kern/subr_vmem.c:784
db> show malloc
Type InUse MemUse Requests
pf_hash 5 11524K 5
devbuf 4216 4338K 4244
tcp_hpts 6 3201K 6
sysctloid 34320 2027K 34387
vtbuf 24 1968K 46
filedesc 218 1740K 11962
kobj 326 1304K 485
newblk 29 1031K 13996
vfscache 3 1025K 3
pcb 418 958K 13775
subproc 350 744K 7232
inodedep 9 515K 6569
ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
intr 4 472K 4
vmem 3 274K 5
acpica 1674 184K 54712
vnet_data 1 168K 1
tidhash 3 141K 3
linker 356 140K 396
pagedep 9 130K 6018
tfo_ccache 1 128K 1
sctp_atcl 325 122K 9295
DEVFS1 107 107K 124
sem 4 106K 4
BPF 46 88K 86
sctp_stro 83 83K 2814
bus 984 80K 3475
kdtrace 430 76K 17118
mtx_pool 2 72K 2
umtx 572 72K 572
syncache 1 68K 1
acpitask 1 64K 1
ddb_capture 1 64K 1
module 509 64K 509
temp 36 35K 3353
hostcache 1 32K 1
shm 1 32K 16
DEVFS3 126 32K 136
msg 4 30K 4
gtaskqueue 18 26K 18
sctp_atky 463 24K 12595
kbdmux 6 22K 6
sctp_stri 42 21K 560
ifaddr 70 20K 72
DEVFS_RULE 56 20K 56
routetbl 140 19K 901
ufs_mount 5 17K 6
proc 3 17K 3
tty 16 16K 16
ithread 99 16K 99
bus-sc 33 14K 1692
dirrem 55 14K 6180
DEVFSP 218 14K 1347
ksem 33 13K 81
kqueue 171 13K 7191
KTRACE 100 13K 100
lltable 41 13K 277
ifnet 7 13K 7
ether_multi 152 13K 232
kenv 95 12K 95
eventhandler 133 12K 133
pwddesc 166 11K 7066
CAM queue 5 11K 1528
rman 84 10K 425
GEOM 60 10K 489
xform 140 9K 2269
in6_multi 65 9K 65
UART 12 9K 12
devstat 4 9K 4
sctp_timw 32 8K 32
rpc 2 8K 2
bmsafemap 1 8K 6479
shmfd 1 8K 29
pfs_vncache 1 8K 1
freework 31 8K 8527
pfs_nodes 20 8K 20
audit_evclass 236 8K 294
freefile 57 8K 6090
cred 27 7K 381
taskqueue 60 7K 60
sglist 5 7K 5
CAM DEV 3 6K 510
plimit 24 6K 630
sctp_athm 329 6K 9526
pf_ifnet 13 5K 251
ufs_dirhash 24 5K 24
UMA 270 5K 270
session 35 5K 61
vt 11 5K 11
lockf 38 5K 577
pf_table 2 4K 120
memdesc 1 4K 1
MCA 32 4K 32
evdev 4 4K 4
kcovinfo 64 4K 68
acpisem 28 4K 28
selfd 55 4K 90653
hhook 15 4K 17
fpukern_ctx 3 3K 3
proc-args 52 3K 747
terminal 11 3K 11
sctp_map 166 3K 5598
select 19 3K 290
uidinfo 3 3K 38
local_apic 1 2K 1
io_apic 1 2K 1
ipsec-saq 2 2K 2
ip6ndp 12 2K 14
Unitno 30 2K 127
sctp_ifa 13 2K 14
CAM XPT 22 2K 543
freeblks 6 2K 6150
in_multi 6 2K 31
ipsecpolicy 2 2K 2
acpidev 20 2K 20
msi 9 2K 9
clone 9 2K 9
tun 7 2K 7
softdep 1 1K 1
sahead 1 1K 1
secasvar 1 1K 1
inpcbpolicy 32 1K 4717
nhops 6 1K 8
vnodemarker 2 1K 660
filedesc_to_leader 16 1K 37
NFSD session 1 1K 1
CAM periph 4 1K 271
sctp_ifn 6 1K 14
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 792
encap_export_host 12 1K 12
procdesc 5 1K 18
osd 22 1K 2091
newdirblk 4 1K 5877
mkdir 4 1K 11754
diradd 4 1K 6221
indirdep 2 1K 2910
pfil 4 1K 4
cdev 2 1K 2
chacha20random 1 1K 1
NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
DEVFS 9 1K 10
vnodes 1 1K 1
CAM SIM 2 1K 2
ktls 1 1K 1
feeder 7 1K 7
tcpfunc 3 1K 3
loginclass 3 1K 6
prison 6 1K 6
lkpikmalloc 5 1K 6
aesni_data 2 1K 2
pf_rule 1 1K 214
apmdev 1 1K 1
atkbddev 2 1K 2
CAM dev queue 2 1K 2
CAM I/O Scheduler 1 1K 1
ip_msource 2 1K 92
CAM path 4 1K 1034
pmchooks 1 1K 1
nexusdev 7 1K 7
soname 4 1K 11689
filecaps 5 1K 125
sctp_vrf 1 1K 1
sctp_aadr 1 1K 67
vnet 1 1K 1
entropy 2 1K 48
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
tcp_do 0 0K 0
tcp_fsb 0 0K 543
sctp_mcore 0 0K 0
sctp_socko 0 0K 4387
sctp_iter 0 0K 11
sctp_mvrf 0 0K 0
sctp_cpal 0 0K 1
sctp_cmsg 0 0K 0
sctp_stre 0 0K 0
sctp_athi 0 0K 0
sctp_a_it 0 0K 10
pf_altq 0 0K 0
pf_osfp 0 0K 0
pf_temp 0 0K 0
mqdata 0 0K 0
cdg data 0 0K 8
vegas data 0 0K 13
dctcp data 0 0K 0
htcp data 0 0K 24
chd data 0 0K 27
cubic data 0 0K 8
NEWdirectio 0 0K 0
NEWNFSnode 0 0K 0
madt_table 0 0K 2
smartpqi 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
iavf 0 0K 0
ixl 0 0K 0
NFSD usrgroup 0 0K 0
NFSD string 0 0K 0
NFSD V4lock 0 0K 0
NFSD V4state 0 0K 0
NFSD srvcache 0 0K 0
ice-resmgr 0 0K 0
ice-osdep 0 0K 0
ice 0 0K 0
axgbe 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
xen_intr 0 0K 0
gntdev 0 0K 0
privcmd_dev 0 0K 0
xen_hvm 0 0K 0
legacydrv 0 0K 0
qpidrv 0 0K 0
evtchn_dev 0 0K 0
xenstore 0 0K 0
dmar_idpgtbl 0 0K 0
dmar_dom 0 0K 0
dmar_ctx 0 0K 0
ciss_data 0 0K 0
BACKLIGHT 0 0K 0
xnb 0 0K 0
isci 0 0K 0
iommu_dmamap 0 0K 0
xbbd 0 0K 0
hyperv_socket 0 0K 0
bxe_ilt 0 0K 0
xenbus 0 0K 0
xbd 0 0K 0
Balloon 0 0K 0
sysmouse 0 0K 0
vm_fictitious 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
scsi_da 0 0K 69
UMAHash 0 0K 0
ata_da 0 0K 0
vm_pgdata 0 0K 0
jblocks 0 0K 0
savedino 0 0K 6077
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 322
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 13
allocindir 0 0K 0
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
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
nvme_da 0 0K 0
ktls_ocf 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
ip6opt 0 0K 90
ip6_msource 0 0K 0
ip6_moptions 0 0K 8
in6_mfilter 0 0K 8
frag6 0 0K 35
tcplog 0 0K 0
tcp_hwpace 0 0K 0
acpipwr 0 0K 0
acpi_perf 0 0K 0
LRO 0 0K 0
newreno data 0 0K 0
ip_moptions 0 0K 90
in_mfilter 0 0K 194
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 0
fadvise 0 0K 5
VN POLL 0 0K 0
twsbuf 0 0K 0
statfs 0 0K 6104
namei_tracker 0 0K 11
export_host 0 0K 0
cl_savebuf 0 0K 76
twe_commands 0 0K 0
twa_commands 0 0K 0
tcp_log_dev 0 0K 233
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
acpicmbat 0 0K 0
SIIS driver 0 0K 0
CAM CCB 0 0K 24051
PUC 0 0K 0
ppbusdev 0 0K 0
agtiapi_MemAlloc malloc 0 0K 0
biobuf 0 0K 0
aios 0 0K 0
lio 0 0K 15
acl 0 0K 0
osti_cacheable 0 0K 0
mbuf_tag 0 0K 227
tempbuff 0 0K 0
tempbuff 0 0K 0
ag_tgt_map_t malloc 0 0K 0
ag_slr_map_t malloc 0 0K 0
lDevFlags * malloc 0 0K 0
tiDeviceHandle_t * malloc 0 0K 0
ag_portal_data_t malloc 0 0K 0
ag_device_t malloc 0 0K 0
STLock malloc 0 0K 0
CCB List 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
CAM ccb queue 0 0K 0
mrsasbuf 0 0K 0
mpt_user 0 0K 0
mps_user 0 0K 0
accf 0 0K 0
pts 0 0K 0
iov 0 0K 20741
ioctlops 0 0K 1002
eventfd 0 0K 5
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 288
md_sectors 0 0K 0
firmware 0 0K 0
compressor 0 0K 0
md_disk 0 0K 1
SWAP 0 0K 0
malodev 0 0K 0
LED 0 0K 0
sysctltmp 0 0K 1052
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 19
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
NFSD rollback 0 0K 0
NFSCL diroff 0 0K 0
db> show uma
Zone Size Used Free Requests Sleeps Bucket Total Mem XFree
mbuf_jumbo_page 4096 8320 1871 202278 0 254 41742336 0
tcp_log 416 1116 15012 211502 0 254 6709248 0
mbuf 256 8948 3652 1549292 0 254 3225600 0
pbuf 2624 0 957 0 0 2 2511168 0
malloc-16384 16384 109 5 5979 0 1 1867776 0
RADIX NODE 144 10712 1575 217060 0 62 1769328 0
BUF TRIE 144 357 11403 16984 0 62 1693440 0
malloc-384 384 4315 15 4564 0 30 1662720 0
malloc-128 128 11342 66 11846 0 126 1460224 0
mbuf_cluster 2048 690 2 690 0 254 1417216 0
malloc-4096 4096 327 3 729 0 2 1351680 0
UMA Slabs 0 112 11880 33 11880 0 126 1334256 0
vmem btag 56 21057 86 21057 0 254 1184008 0
tcp_bbr_map 128 0 6293 292804 0 126 805504 0
malloc-4096 4096 192 4 7593 0 2 802816 0
FFS inode 1160 606 24 6707 0 8 730800 0
VM OBJECT 264 2635 80 104782 0 30 716760 0
MAP ENTRY 96 7144 290 414322 0 126 713664 0
256 Bucket 2048 272 18 18912 0 8 593920 0
ertt_txseginfo 40 2096 11337 747531 0 254 537320 0
THREAD 1808 260 26 10071 0 8 517088 0
malloc-2048 2048 187 45 6120 0 8 475136 0
sctp_ep 1280 205 137 6116 0 254 437760 0
sctp_asoc 2288 83 87 2799 0 254 388960 0
VMSPACE 2544 141 9 7011 0 4 381600 0
lkpimm 160 1 2324 1 0 62 372000 0
lkpicurr 160 2 2323 2 0 62 372000 0
VNODE 448 645 84 6748 0 30 326592 0
socket 944 184 140 12480 0 254 305856 0
malloc-256 256 230 880 35323 0 62 284160 0
malloc-64 64 4192 155 95227 0 254 278208 0
malloc-65536 65536 4 0 4 0 1 262144 0
PROC 1336 168 12 7045 0 8 240480 0
malloc-16 16 14197 553 22891 0 254 236000 0
malloc-32768 32768 0 7 2675 0 1 229376 0
DEVCTL 1024 0 220 153 0 0 225280 0
malloc-65536 65536 1 2 34 0 1 196608 0
malloc-32768 32768 0 6 142 0 1 196608 0
filedesc0 1072 167 15 7066 0 8 195104 0
UMA Zones 768 242 2 242 0 16 187392 0
malloc-128 128 1347 110 14715 0 126 186496 0
malloc-32 32 5364 180 5778 0 254 177408 0
mbuf_packet 256 70 620 34810 0 254 176640 0
malloc-128 128 1264 69 35787 0 126 170624 0
FFS2 dinode 256 606 39 6707 0 62 165120 0
malloc-384 384 325 55 9340 0 30 145920 0
S VFS Cache 104 1031 334 7448 0 126 141960 0
128 Bucket 1024 102 33 3530 0 16 138240 0
malloc-65536 65536 2 0 2 0 1 131072 0
malloc-65536 65536 0 2 662 0 1 131072 0
malloc-65536 65536 2 0 2 0 1 131072 0
malloc-65536 65536 0 2 52 0 1 131072 0
malloc-256 256 272 238 23352 0 62 130560 0
malloc-1024 1024 91 33 3326 0 16 126976 0
clpbuf 2624 0 48 1629 0 16 125952 0
sctp_raddr 736 82 83 3228 0 254 121440 0
malloc-1024 1024 110 6 127 0 16 118784 0
ksiginfo 112 164 880 1059 0 126 116928 0
sctp_chunk 152 91 663 3123 0 254 114608 0
malloc-2048 2048 7 45 24073 0 8 106496 0
malloc-384 384 8 262 6638 0 30 103680 0
malloc-16384 16384 4 2 179 0 1 98304 0
malloc-256 256 254 121 6931 0 62 96000 0
UMA Kegs 384 227 6 227 0 30 89472 0
malloc-128 128 358 324 6557 0 126 87296 0
tcpcb 1080 18 59 2080 0 254 83160 0
64 Bucket 512 111 49 9904 0 30 81920 0
malloc-8192 8192 5 4 134 0 1 73728 0
Files 80 618 282 29794 0 126 72000 0
malloc-32768 32768 2 0 2 0 1 65536 0
malloc-8192 8192 6 2 14 0 1 65536 0
malloc-8192 8192 5 3 10 0 1 65536 0
g_bio 408 0 160 75162 0 30 65280 0
tcp_inpcb 496 18 110 2080 0 254 63488 0
pipe 744 60 15 709 0 16 55800 0
malloc-256 256 154 56 618 0 62 53760 0
32 Bucket 256 71 139 13697 0 62 53760 0
malloc-4096 4096 12 1 23 0 2 53248 0
malloc-64 64 681 138 26007 0 254 52416 0
malloc-16384 16384 3 0 3 0 1 49152 0
malloc-2048 2048 4 20 511 0 8 49152 0
malloc-384 384 79 41 385 0 30 46080 0
malloc-256 256 114 66 1366 0 62 46080 0
pcpu-8 8 4770 862 10895 0 254 45056 0
malloc-8192 8192 4 1 12 0 1 40960 0
malloc-2048 2048 4 16 122 0 8 40960 0
malloc-64 64 282 348 6919 0 254 40320 0
TURNSTILE 136 287 7 287 0 62 39984 0
tcp_rack_pcb 832 0 45 543 0 16 37440 0
DIRHASH 1024 34 2 34 0 16 36864 0
NAMEI 1024 0 36 43320 0 16 36864 0
malloc-4096 4096 9 0 9 0 2 36864 0
malloc-2048 2048 6 12 526 0 8 36864 0
malloc-64 64 437 130 14314 0 254 36288 0
malloc-64 64 477 90 689 0 254 36288 0
malloc-32768 32768 1 0 1 0 1 32768 0
malloc-2048 2048 12 4 211 0 8 32768 0
pcpu-64 64 487 25 487 0 254 32768 0
malloc-128 128 63 185 867 0 126 31744 0
malloc-256 256 29 91 6319 0 62 30720 0
tcp_bbr_pcb 832 0 36 936 0 16 29952 0
malloc-4096 4096 3 4 6104 0 2 28672 0
malloc-1024 1024 13 15 1636 0 16 28672 0
SLEEPQUEUE 88 287 33 287 0 126 28160 0
KNOTE 160 28 147 58726 0 62 28000 0
8 Bucket 80 55 295 3011 0 126 28000 0
udplite_inpcb 496 2 54 1984 0 254 27776 0
malloc-8192 8192 2 1 4 0 1 24576 0
malloc-4096 4096 2 4 34 0 2 24576 0
malloc-512 512 42 6 606 0 30 24576 0
PWD 32 106 650 5950 0 254 24192 0
malloc-64 64 225 153 1383 0 254 24192 0
malloc-32 32 411 345 18519 0 254 24192 0
ttyinq 160 135 15 300 0 62 24000 0
malloc-128 128 94 92 6281 0 126 23808 0
ttyoutq 256 72 18 160 0 62 23040 0
malloc-256 256 43 47 558 0 62 23040 0
malloc-1024 1024 17 3 17 0 16 20480 0
malloc-32 32 310 320 9746 0 254 20160 0
Mountpoints 2752 2 5 2 0 4 19264 0
malloc-8192 8192 2 0 2 0 1 16384 0
malloc-8192 8192 1 1 5 0 1 16384 0
malloc-4096 4096 2 2 95 0 2 16384 0
malloc-2048 2048 2 6 606 0 8 16384 0
malloc-1024 1024 11 5 11 0 16 16384 0
malloc-512 512 3 29 661 0 30 16384 0
malloc-64
---
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.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: ae47eecf87b5 Hide arm64 features that don't have a HWCAP
git tree: https://github.com/freebsd/freebsd-src.git main
console output: https://syzkaller.appspot.com/x/log.txt?x=125356f2300000
dashboard link: https://syzkaller.appspot.com/bug?extid=a83a01983b6e3068ab6d
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+a83a01...@syzkaller.appspotmail.com
panic: ASan: Invalid access, 2-byte read at 0xfffffe00a1c6187c, UMAUseAfterFree(fd)
cpuid = 0
time = 1626457414
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00077eb730
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00077eb890
vpanic() at vpanic+0x2c5/frame 0xfffffe00077eb970
panic() at panic+0xb5/frame 0xfffffe00077eba30
__asan_load2_noabort() at __asan_load2_noabort+0x167/frame 0xfffffe00077ebaf0
sctp_chunk_output() at sctp_chunk_output+0x287c/frame 0xfffffe00077ec710
sctp_timeout_handler() at sctp_timeout_handler+0x188b/frame 0xfffffe00077ec850
softclock_call_cc() at softclock_call_cc+0x3d9/frame 0xfffffe00077eca00
softclock() at softclock+0x152/frame 0xfffffe00077eca50
ithread_loop() at ithread_loop+0x4f1/frame 0xfffffe00077ecbb0
fork_exit() at fork_exit+0xd0/frame 0xfffffe00077ecbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00077ecbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100032 ]
Stopped at kdb_enter+0x6b: movq $0,0x28ef61a(%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 0xf066b2da839ad410
rdx 0x1
rbx 0
rsp 0xfffffe00077eb870
rbp 0xfffffe00077eb890
rsi 0
rdi 0xffffffff817a69f9 vprintf+0x319
r8 0x3
r9 0xfffffe00077eb3c8
r10 0
r11 0x3d26c813
r12 0xfffffe0053dfa020
r13 0xfffffe00077eb801
r14 0xffffffff82c561c0 .str.18
r15 0xffffffff82c561c0 .str.18
rip 0xffffffff8179a41b kdb_enter+0x6b
rflags 0x46
kdb_enter+0x6b: movq $0,0x28ef61a(%rip)
db> show proc
Process 12 (intr) at 0xfffffe0053deca70:
state: NORMAL
uid: 0 gids: 0
parent: pid 0 at 0xffffffff8402ae00
ABI: null
flag: 0x10000284 flag2: 0
reaper: 0xffffffff8402ae00 reapsubtree: 12
sigparent: 20
vmspace: 0xffffffff8402bd80
(map 0xffffffff8402bd80)
(map.pmap 0xffffffff8402be40)
(pmap 0xffffffff8402bea0)
threads: 23
100010 I [swi6: task queue]
100011 I [swi6: Giant taskq]
100014 I [swi5: fast taskq]
100030 L *kernel 0xfffffe009e503180 [swi1: netisr 0]
100031 I [swi3: vm]
100032 Run CPU 0 [swi4: clock (0)]
100033 I [swi4: clock (1)]
100034 I [swi1: hpts]
100035 I [swi1: hpts]
100048 I [irq24: virtio_pci0]
100049 I [irq25: virtio_pci0]
100050 I [irq26: virtio_pci0]
100051 I [irq27: virtio_pci0]
100052 I [irq28: virtio_pci1]
100053 I [irq29: virtio_pci1]
100054 I [irq30: virtio_pci1]
100055 I [irq31: virtio_pci1]
100056 I [irq32: virtio_pci1]
100061 I [irq10: virtio_pci2]
100063 I [irq1: atkbd0]
100064 I [irq12: psm0]
100065 I [swi0: uart uart++]
100073 I [swi1: pf send]
db> ps
pid ppid pgrp uid state wmesg wchan cmd
7045 785 785 0 R (threaded) syz-executor.3
109418 RunQ syz-executor.3
110069 RunQ syz-executor.3
110070 RunQ syz-executor.3
110071 RunQ syz-executor.3
7044 784 784 0 LE *sctp-cr 0xfffffe00a87ee300 syz-executor.2
7039 783 783 0 T (threaded) syz-executor.1
110014 s syz-executor.1
110059 RunQ syz-executor.1
6855 1 783 0 S uwait 0xfffffe009bd17380 syz-executor.1
6852 1 783 0 S uwait 0xfffffe00a1d5e800 syz-executor.1
6850 1 783 0 S uwait 0xfffffe00a1c37e80 syz-executor.1
6847 1 783 0 S uwait 0xfffffe00a87efe80 syz-executor.1
6846 1 782 0 S uwait 0xfffffe00a87efd80 syz-executor.0
6842 1 782 0 S uwait 0xfffffe00a87ef000 syz-executor.0
6841 1 783 0 S uwait 0xfffffe00a865d080 syz-executor.1
6837 1 782 0 S uwait 0xfffffe009e9e1700 syz-executor.0
6836 1 783 0 S uwait 0xfffffe00a77cbd80 syz-executor.1
6833 1 783 0 S uwait 0xfffffe00a87efc80 syz-executor.1
6831 1 783 0 S uwait 0xfffffe00a820d680 syz-executor.1
6318 1 784 0 S uwait 0xfffffe00a865d300 syz-executor.2
6316 1 784 0 S uwait 0xfffffe00a86df700 syz-executor.2
6119 6118 6119 0 S uwait 0xfffffe00a1c37e00 syz-executor.3
6118 1 785 0 SV wait 0xfffffe00a8599a70 syz-executor.3
6116 6115 6116 0 S uwait 0xfffffe00a87ef500 syz-executor.2
6115 1 784 0 SV wait 0xfffffe00a87f6538 syz-executor.2
6109 6108 6109 0 S uwait 0xfffffe00a87ef300 syz-executor.3
6108 1 785 0 SV wait 0xfffffe00a85c0000 syz-executor.3
6104 6103 6104 0 S uwait 0xfffffe00a1c37180 syz-executor.2
6103 1 784 0 SV wait 0xfffffe00a82a2a70 syz-executor.2
6099 6098 6099 0 S uwait 0xfffffe00a87ef800 syz-executor.3
6098 1 785 0 SV wait 0xfffffe00a8755000 syz-executor.3
6093 6091 6093 0 S uwait 0xfffffe00a865d200 syz-executor.2
6091 1 784 0 SV wait 0xfffffe00a859c000 syz-executor.2
6087 6086 6087 0 S uwait 0xfffffe00a86df000 syz-executor.2
6086 1 784 0 SV uwait 0xfffffe00a7023e00 syz-executor.2
6083 6081 6083 0 S uwait 0xfffffe00a86df980 syz-executor.2
6081 1 784 0 SV wait 0xfffffe00a76caa70 syz-executor.2
5985 1 785 0 S uwait 0xfffffe009e2b6180 syz-executor.3
5323 1 783 0 S uwait 0xfffffe00a1c37600 syz-executor.1
5315 1 783 0 S uwait 0xfffffe00a7023180 syz-executor.1
5314 1 784 0 S uwait 0xfffffe00a1d5e600 syz-executor.2
5310 1 784 0 S uwait 0xfffffe009e504700 syz-executor.2
5308 1 785 0 S uwait 0xfffffe00a86dfc80 syz-executor.3
5307 1 783 0 S uwait 0xfffffe00a86dfd80 syz-executor.1
5306 1 784 0 S uwait 0xfffffe009bd17400 syz-executor.2
5301 1 785 0 S uwait 0xfffffe00a87ef400 syz-executor.3
5298 1 785 0 S uwait 0xfffffe00a865d000 syz-executor.3
5294 1 785 0 S uwait 0xfffffe00a86dfb80 syz-executor.3
5292 1 785 0 S uwait 0xfffffe00a86df200 syz-executor.3
4774 1 784 0 S uwait 0xfffffe009e2b6080 syz-executor.2
4770 1 784 0 S uwait 0xfffffe00a1c74900 syz-executor.2
4767 1 784 0 S uwait 0xfffffe009e504380 syz-executor.2
4764 1 784 0 S uwait 0xfffffe00a7023680 syz-executor.2
4762 1 784 0 S uwait 0xfffffe00a1d5e300 syz-executor.2
4760 1 784 0 S uwait 0xfffffe00a1d5e480 syz-executor.2
4757 1 784 0 S uwait 0xfffffe00a1c74500 syz-executor.2
4755 1 784 0 S uwait 0xfffffe00a799be80 syz-executor.2
4751 1 784 0 S uwait 0xfffffe009e9fa100 syz-executor.2
4749 1 784 0 S uwait 0xfffffe00a7023280 syz-executor.2
4748 1 784 0 S uwait 0xfffffe00a7023580 syz-executor.2
4562 1 782 0 S uwait 0xfffffe00a1c37700 syz-executor.0
3532 1 784 0 S uwait 0xfffffe00a7023980 syz-executor.2
3531 1 783 0 S uwait 0xfffffe009e2b6b80 syz-executor.1
3529 1 784 0 S uwait 0xfffffe009e9fa700 syz-executor.2
3526 1 784 0 S uwait 0xfffffe00a1c37a00 syz-executor.2
3523 1 783 0 S uwait 0xfffffe00a1d5e580 syz-executor.1
3521 1 784 0 S uwait 0xfffffe00a1c74200 syz-executor.2
3519 1 784 0 S uwait 0xfffffe00a7023a80 syz-executor.2
3517 1 782 0 S uwait 0xfffffe00a7023780 syz-executor.0
3516 1 783 0 S uwait 0xfffffe00a7023480 syz-executor.1
3511 1 784 0 S uwait 0xfffffe00a7023d80 syz-executor.2
3508 1 782 0 S uwait 0xfffffe00a1c37d00 syz-executor.0
3504 1 782 0 S uwait 0xfffffe009e9fa300 syz-executor.0
3502 1 782 0 S uwait 0xfffffe009bd17500 syz-executor.0
3501 1 782 0 S uwait 0xfffffe00a1d5e500 syz-executor.0
2661 1 783 0 S umtxn 0xfffffe00a1d5ed80 syz-executor.1
2656 1 783 0 S uwait 0xfffffe00a7023380 syz-executor.1
2648 1 783 0 S uwait 0xfffffe009e504300 syz-executor.1
2646 1 783 0 S uwait 0xfffffe00a1c37280 syz-executor.1
2640 1 783 0 S uwait 0xfffffe00a1d5e900 syz-executor.1
2150 1 2150 65 Ss select 0xfffffe00a1d5eb40 dhclient
2017 1 785 0 S uwait 0xfffffe00a7023880 syz-executor.3
2016 1 782 0 S uwait 0xfffffe009e48c980 syz-executor.0
2013 1 784 0 S uwait 0xfffffe009e48c600 syz-executor.2
2011 1 785 0 S uwait 0xfffffe00a1c74c80 syz-executor.3
2009 1 782 0 S uwait 0xfffffe00573d9300 syz-executor.0
2006 1 784 0 S uwait 0xfffffe00a1c74100 syz-executor.2
2004 1 783 0 S uwait 0xfffffe009e2b6680 syz-executor.1
2003 1 785 0 S uwait 0xfffffe00a1d5ec80 syz-executor.3
2002 1 782 0 S uwait 0xfffffe00a1c74300 syz-executor.0
1998 1 784 0 S uwait 0xfffffe009e9fa680 syz-executor.2
1996 1 783 0 S uwait 0xfffffe00a1c74b80 syz-executor.1
1995 1 785 0 S uwait 0xfffffe00a1c37800 syz-executor.3
1993 1 782 0 S uwait 0xfffffe009e504d80 syz-executor.0
1989 1 783 0 S uwait 0xfffffe009e2b6580 syz-executor.1
1988 1 785 0 S uwait 0xfffffe00a1c74600 syz-executor.3
1987 1 782 0 S uwait 0xfffffe009bd17580 syz-executor.0
1982 1 782 0 S uwait 0xfffffe00a1c74d80 syz-executor.0
1981 1 785 0 S uwait 0xfffffe00a1c74400 syz-executor.3
1976 1 784 0 S uwait 0xfffffe009e9fa500 syz-executor.2
1975 1 782 0 S uwait 0xfffffe009e2b6780 syz-executor.0
1970 1 784 0 S uwait 0xfffffe00a1c37900 syz-executor.2
1969 1 782 0 S uwait 0xfffffe009e504a00 syz-executor.0
1964 1 782 0 S uwait 0xfffffe009e2b6480 syz-executor.0
1963 1 784 0 S uwait 0xfffffe00a1d5ee80 syz-executor.2
1960 1 784 0 S uwait 0xfffffe00a1c74000 syz-executor.2
1956 1 1956 0 Ss select 0xfffffe00a1d5ea40 dhclient
1953 1 1953 0 Ss select 0xfffffe00a7023ec0 dhclient
1944 1 784 0 S uwait 0xfffffe009e2b6880 syz-executor.2
1907 1 1907 65 Ss select 0xfffffe009e504440 dhclient
1654 1 1654 0 Ss select 0xfffffe009e5045c0 dhclient
1651 1 1651 0 Ss select 0xfffffe009e9e1840 dhclient
1640 1 1640 65 Ss select 0xfffffe009e5047c0 dhclient
1400 1 1400 0 Ss select 0xfffffe00a1d5e8c0 dhclient
1397 1 1397 0 Ss select 0xfffffe009bd174c0 dhclient
1362 1 1362 65 Ss select 0xfffffe00a1c746c0 dhclient
1105 1 784 0 S uwait 0xfffffe009e48cc80 syz-executor.2
1103 1 784 0 S uwait 0xfffffe0056fdf280 syz-executor.2
1101 1 784 0 S uwait 0xfffffe009e48c300 syz-executor.2
1099 1 784 0 S uwait 0xfffffe009e48cb80 syz-executor.2
1098 1 784 0 S uwait 0xfffffe009e48ca80 syz-executor.2
1041 1 1041 0 Ss select 0xfffffe00a1c747c0 dhclient
1038 1 1038 0 Ss select 0xfffffe009e9e17c0 dhclient
987 0 0 0 DL aiordy 0xfffffe00a1c49000 [aiod4]
986 0 0 0 DL aiordy 0xfffffe00a1c12a70 [aiod3]
985 0 0 0 DL aiordy 0xfffffe00a1ccea70 [aiod2]
984 0 0 0 DL aiordy 0xfffffe00a1cdea70 [aiod1]
785 780 785 0 Rs syz-executor.3
784 780 784 0 Rs syz-executor.2
783 780 783 0 Rs syz-executor.1
782 780 782 0 Rs syz-executor.0
780 778 778 0 R (threaded) syz-fuzzer
100095 S kqread 0xfffffe009bc3a400 syz-fuzzer
100120 RunQ syz-fuzzer
100121 S uwait 0xfffffe005834c180 syz-fuzzer
100122 S uwait 0xfffffe005834c280 syz-fuzzer
100123 S uwait 0xfffffe009e504b80 syz-fuzzer
100124 S uwait 0xfffffe009e504c80 syz-fuzzer
100125 S uwait 0xfffffe009e48c000 syz-fuzzer
100126 S uwait 0xfffffe009e48c100 syz-fuzzer
100127 S uwait 0xfffffe009e48c200 syz-fuzzer
105417 S uwait 0xfffffe00a865d600 syz-fuzzer
105418 S uwait 0xfffffe00a7023b80 syz-fuzzer
105419 S uwait 0xfffffe00a1d5e080 syz-fuzzer
105420 S uwait 0xfffffe009e2b6280 syz-fuzzer
778 776 778 0 Ss pause 0xfffffe009e35db20 csh
776 694 776 0 Ss select 0xfffffe009e5049c0 sshd
760 1 760 0 Ss+ ttyin 0xfffffe0056fe0cb0 getty
759 1 759 0 Ss+ ttyin 0xfffffe00583ed0b0 getty
758 1 758 0 Ss+ ttyin 0xfffffe00583ed4b0 getty
757 1 757 0 Ss+ ttyin 0xfffffe00583ed8b0 getty
756 1 756 0 Ss+ ttyin 0xfffffe00583edcb0 getty
755 1 755 0 Ss+ ttyin 0xfffffe00583950b0 getty
754 1 754 0 Ss+ ttyin 0xfffffe00583954b0 getty
753 1 753 0 Ss+ ttyin 0xfffffe00583958b0 getty
752 1 752 0 Ss+ ttyin 0xfffffe0058395cb0 getty
698 1 698 0 Ss nanslp 0xffffffff84056941 cron
694 1 694 0 Ss select 0xfffffe009bd172c0 sshd
507 1 507 0 Rs syslogd
436 1 436 0 Ss select 0xfffffe009e2b6940 devd
435 1 435 65 Ss select 0xfffffe009e2b6ac0 dhclient
350 1 350 0 Ss select 0xfffffe009bd17640 dhclient
347 1 347 0 Ss select 0xfffffe009e2b6b40 dhclient
23 0 0 0 DL syncer 0xffffffff8417ca40 [syncer]
22 0 0 0 DL vlruwt 0xfffffe0058747a70 [vnlru]
21 0 0 0 RL (threaded) [bufdaemon]
100083 RunQ [bufdaemon]
100088 D - 0xffffffff83411f80 [bufspacedaemon-0]
100098 RunQ [/ worker]
20 0 0 0 DL psleep 0xffffffff841b2cc0 [vmdaemon]
19 0 0 0 DL (threaded) [pagedaemon]
100081 D psleep 0xffffffff841a67f8 [dom0]
100086 D launds 0xffffffff841a6804 [laundry: dom0]
100087 D umarcl 0xffffffff81e909a0 [uma]
18 0 0 0 RL [rand_harvestq]
17 0 0 0 DL waiting 0xffffffff84b10460 [sctp_iterator]
16 0 0 0 DL pftm 0xffffffff84834d30 [pf purge]
15 0 0 0 DL - 0xffffffff84175dc0 [soaiod4]
9 0 0 0 DL - 0xffffffff84175dc0 [soaiod3]
8 0 0 0 DL - 0xffffffff84175dc0 [soaiod2]
7 0 0 0 DL - 0xffffffff84175dc0 [soaiod1]
6 0 0 0 DL (threaded) [cam]
100046 D - 0xffffffff83c93240 [doneq0]
100047 D - 0xffffffff83c931c0 [async]
100080 D - 0xffffffff83c93040 [scanner]
14 0 0 0 DL seqstat 0xfffffe0056aaac88 [sequencer 00]
5 0 0 0 DL crypto_ 0xfffffe00541aad80 [crypto returns 1]
4 0 0 0 DL crypto_ 0xfffffe00541aad30 [crypto returns 0]
3 0 0 0 DL crypto_ 0xffffffff841a08a0 [crypto]
13 0 0 0 DL (threaded) [geom]
100037 D - 0xffffffff84029f00 [g_event]
100038 D - 0xffffffff84029f40 [g_up]
100039 D - 0xffffffff84029f80 [g_down]
2 0 0 0 DL (threaded) [KTLS]
100028 D - 0xfffffe0053e16e00 [thr_0]
100029 D - 0xfffffe0053e16e80 [thr_1]
12 0 0 0 RL (threaded) [intr]
100010 I [swi6: task queue]
100011 I [swi6: Giant taskq]
100014 I [swi5: fast taskq]
100030 L *kernel 0xfffffe009e503180 [swi1: netisr 0]
100031 I [swi3: vm]
100032 Run CPU 0 [swi4: clock (0)]
100033 I [swi4: clock (1)]
100034 I [swi1: hpts]
100035 I [swi1: hpts]
100048 I [irq24: virtio_pci0]
100049 I [irq25: virtio_pci0]
100050 I [irq26: virtio_pci0]
100051 I [irq27: virtio_pci0]
100052 I [irq28: virtio_pci1]
100053 I [irq29: virtio_pci1]
100054 I [irq30: virtio_pci1]
100055 I [irq31: virtio_pci1]
100056 I [irq32: virtio_pci1]
100061 I [irq10: virtio_pci2]
100063 I [irq1: atkbd0]
100064 I [irq12: psm0]
100065 I [swi0: uart uart++]
100073 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 0xfffffe0053d51538 [init]
10 0 0 0 DL audit_w 0xffffffff841a1840 [audit]
0 0 0 0 RLs (threaded) [kernel]
100000 D swapin 0xffffffff8402ae00 [swapper]
100005 D - 0xfffffe0053c0d800 [softirq_0]
100006 D - 0xfffffe0053c0d600 [softirq_1]
100007 D - 0xfffffe0053c0d400 [if_io_tqg_0]
100008 D - 0xfffffe0053c0d200 [if_io_tqg_1]
100009 D - 0xfffffe0053c0d000 [if_config_tqg_0]
100012 Run CPU 1 [thread taskq]
100013 D - 0xfffffe000791b400 [inm_free taskq]
100015 D - 0xfffffe000791b200 [kqueue_ctx taskq]
100016 D - 0xfffffe000791b100 [linuxkpi_irq_wq]
100017 D - 0xfffffe000791b000 [aiod_kick taskq]
100018 D - 0xfffffe0053df5e00 [in6m_free taskq]
100019 D - 0xfffffe0053df5d00 [pci_hp taskq]
100020 D - 0xfffffe0053df5c00 [linuxkpi_short_wq_0]
100021 D - 0xfffffe0053df5c00 [linuxkpi_short_wq_1]
100022 D - 0xfffffe0053df5c00 [linuxkpi_short_wq_2]
100023 D - 0xfffffe0053df5c00 [linuxkpi_short_wq_3]
100024 D - 0xfffffe0053df5b00 [linuxkpi_long_wq_0]
100025 D - 0xfffffe0053df5b00 [linuxkpi_long_wq_1]
100026 D - 0xfffffe0053df5b00 [linuxkpi_long_wq_2]
100027 D - 0xfffffe0053df5b00 [linuxkpi_long_wq_3]
100036 D - 0xfffffe0053df5a00 [firmware taskq]
100040 D - 0xfffffe0053df5900 [crypto_0]
100041 D - 0xfffffe0053df5900 [crypto_1]
100057 D - 0xfffffe0053df5700 [vtnet0 rxq 0]
100058 D - 0xfffffe0053df5600 [vtnet0 txq 0]
100059 D - 0xfffffe0053df5500 [vtnet0 rxq 1]
100060 D - 0xfffffe0053df5400 [vtnet0 txq 1]
100062 D vtbslp 0xfffffe0056fc0400 [virtio_balloon]
100066 D - 0xfffffe0053df5300 [mca taskq]
100071 D - 0xffffffff82c5d140 [deadlkres]
100075 D - 0xfffffe0058392e00 [acpi_task_0]
100076 D - 0xfffffe0058392e00 [acpi_task_1]
100077 D - 0xfffffe0058392e00 [acpi_task_2]
100079 D - 0xfffffe0053df5800 [CAM taskq]
db> show all locks
Process 7045 (syz-executor.3) thread 0xfffffe00a7e61ac0 (110069)
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe00a8559468) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2510
Process 7045 (syz-executor.3) thread 0xfffffe00a80cc720 (110070)
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe00a91f2968) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2510
Process 7045 (syz-executor.3) thread 0xfffffe00a80ceac0 (110071)
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe00a91f1968) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2510
Process 12 (intr) thread 0xfffffe0053df6000 (100030)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00a75afc70) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:1311
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffffe00a7e1d488) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_input.c:4922
Process 12 (intr) thread 0xfffffe0053dfa020 (100032)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00a7e8e8b0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctputil.c:1768
Process 0 (kernel) thread 0xfffffe0053df21e0 (100012)
exclusive sleep mutex kernel arena domain (kernel arena domain) r = 0 (0xfffff800064bb000) locked @ /syzkaller/managers/main/kernel/sys/kern/subr_vmem.c:789
exclusive sleep mutex vmem list lock (vmem list lock) r = 0 (0xffffffff83409bc0) locked @ /syzkaller/managers/main/kernel/sys/kern/subr_vmem.c:784
db> show malloc
Type InUse MemUse Requests
pf_hash 5 11524K 5
devbuf 4216 4338K 4244
tcp_hpts 6 3201K 6
sysctloid 34320 2027K 34387
vtbuf 24 1968K 46
filedesc 218 1740K 11962
kobj 326 1304K 485
newblk 29 1031K 13996
vfscache 3 1025K 3
pcb 418 958K 13775
subproc 350 744K 7232
inodedep 9 515K 6569
ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
intr 4 472K 4
vmem 3 274K 5
acpica 1674 184K 54712
vnet_data 1 168K 1
tidhash 3 141K 3
linker 356 140K 396
pagedep 9 130K 6018
tfo_ccache 1 128K 1
sctp_atcl 325 122K 9295
DEVFS1 107 107K 124
sem 4 106K 4
BPF 46 88K 86
sctp_stro 83 83K 2814
bus 984 80K 3475
kdtrace 430 76K 17118
mtx_pool 2 72K 2
umtx 572 72K 572
syncache 1 68K 1
acpitask 1 64K 1
ddb_capture 1 64K 1
module 509 64K 509
temp 36 35K 3353
hostcache 1 32K 1
shm 1 32K 16
DEVFS3 126 32K 136
msg 4 30K 4
gtaskqueue 18 26K 18
sctp_atky 463 24K 12595
kbdmux 6 22K 6
sctp_stri 42 21K 560
ifaddr 70 20K 72
DEVFS_RULE 56 20K 56
routetbl 140 19K 901
ufs_mount 5 17K 6
proc 3 17K 3
tty 16 16K 16
ithread 99 16K 99
bus-sc 33 14K 1692
dirrem 55 14K 6180
DEVFSP 218 14K 1347
ksem 33 13K 81
kqueue 171 13K 7191
KTRACE 100 13K 100
lltable 41 13K 277
ifnet 7 13K 7
ether_multi 152 13K 232
kenv 95 12K 95
eventhandler 133 12K 133
pwddesc 166 11K 7066
CAM queue 5 11K 1528
rman 84 10K 425
GEOM 60 10K 489
xform 140 9K 2269
in6_multi 65 9K 65
UART 12 9K 12
devstat 4 9K 4
sctp_timw 32 8K 32
rpc 2 8K 2
bmsafemap 1 8K 6479
shmfd 1 8K 29
pfs_vncache 1 8K 1
freework 31 8K 8527
pfs_nodes 20 8K 20
audit_evclass 236 8K 294
freefile 57 8K 6090
cred 27 7K 381
taskqueue 60 7K 60
sglist 5 7K 5
CAM DEV 3 6K 510
plimit 24 6K 630
sctp_athm 329 6K 9526
pf_ifnet 13 5K 251
ufs_dirhash 24 5K 24
UMA 270 5K 270
session 35 5K 61
vt 11 5K 11
lockf 38 5K 577
pf_table 2 4K 120
memdesc 1 4K 1
MCA 32 4K 32
evdev 4 4K 4
kcovinfo 64 4K 68
acpisem 28 4K 28
selfd 55 4K 90653
hhook 15 4K 17
fpukern_ctx 3 3K 3
proc-args 52 3K 747
terminal 11 3K 11
sctp_map 166 3K 5598
select 19 3K 290
uidinfo 3 3K 38
local_apic 1 2K 1
io_apic 1 2K 1
ipsec-saq 2 2K 2
ip6ndp 12 2K 14
Unitno 30 2K 127
sctp_ifa 13 2K 14
CAM XPT 22 2K 543
freeblks 6 2K 6150
in_multi 6 2K 31
ipsecpolicy 2 2K 2
acpidev 20 2K 20
msi 9 2K 9
clone 9 2K 9
tun 7 2K 7
softdep 1 1K 1
sahead 1 1K 1
secasvar 1 1K 1
inpcbpolicy 32 1K 4717
nhops 6 1K 8
vnodemarker 2 1K 660
filedesc_to_leader 16 1K 37
NFSD session 1 1K 1
CAM periph 4 1K 271
sctp_ifn 6 1K 14
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 792
encap_export_host 12 1K 12
procdesc 5 1K 18
osd 22 1K 2091
newdirblk 4 1K 5877
mkdir 4 1K 11754
diradd 4 1K 6221
indirdep 2 1K 2910
pfil 4 1K 4
cdev 2 1K 2
chacha20random 1 1K 1
NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
DEVFS 9 1K 10
vnodes 1 1K 1
CAM SIM 2 1K 2
ktls 1 1K 1
feeder 7 1K 7
tcpfunc 3 1K 3
loginclass 3 1K 6
prison 6 1K 6
lkpikmalloc 5 1K 6
aesni_data 2 1K 2
pf_rule 1 1K 214
apmdev 1 1K 1
atkbddev 2 1K 2
CAM dev queue 2 1K 2
CAM I/O Scheduler 1 1K 1
ip_msource 2 1K 92
CAM path 4 1K 1034
pmchooks 1 1K 1
nexusdev 7 1K 7
soname 4 1K 11689
filecaps 5 1K 125
sctp_vrf 1 1K 1
sctp_aadr 1 1K 67
vnet 1 1K 1
entropy 2 1K 48
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
tcp_do 0 0K 0
tcp_fsb 0 0K 543
sctp_mcore 0 0K 0
sctp_socko 0 0K 4387
sctp_iter 0 0K 11
sctp_mvrf 0 0K 0
sctp_cpal 0 0K 1
sctp_cmsg 0 0K 0
sctp_stre 0 0K 0
sctp_athi 0 0K 0
sctp_a_it 0 0K 10
pf_altq 0 0K 0
pf_osfp 0 0K 0
pf_temp 0 0K 0
mqdata 0 0K 0
cdg data 0 0K 8
vegas data 0 0K 13
dctcp data 0 0K 0
htcp data 0 0K 24
chd data 0 0K 27
cubic data 0 0K 8
NEWdirectio 0 0K 0
NEWNFSnode 0 0K 0
madt_table 0 0K 2
smartpqi 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
iavf 0 0K 0
ixl 0 0K 0
NFSD usrgroup 0 0K 0
NFSD string 0 0K 0
NFSD V4lock 0 0K 0
NFSD V4state 0 0K 0
NFSD srvcache 0 0K 0
ice-resmgr 0 0K 0
ice-osdep 0 0K 0
ice 0 0K 0
axgbe 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
xen_intr 0 0K 0
gntdev 0 0K 0
privcmd_dev 0 0K 0
xen_hvm 0 0K 0
legacydrv 0 0K 0
qpidrv 0 0K 0
evtchn_dev 0 0K 0
xenstore 0 0K 0
dmar_idpgtbl 0 0K 0
dmar_dom 0 0K 0
dmar_ctx 0 0K 0
ciss_data 0 0K 0
BACKLIGHT 0 0K 0
xnb 0 0K 0
isci 0 0K 0
iommu_dmamap 0 0K 0
xbbd 0 0K 0
hyperv_socket 0 0K 0
bxe_ilt 0 0K 0
xenbus 0 0K 0
xbd 0 0K 0
Balloon 0 0K 0
sysmouse 0 0K 0
vm_fictitious 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
scsi_da 0 0K 69
UMAHash 0 0K 0
ata_da 0 0K 0
vm_pgdata 0 0K 0
jblocks 0 0K 0
savedino 0 0K 6077
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 322
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 13
allocindir 0 0K 0
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
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
nvme_da 0 0K 0
ktls_ocf 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
ip6opt 0 0K 90
ip6_msource 0 0K 0
ip6_moptions 0 0K 8
in6_mfilter 0 0K 8
frag6 0 0K 35
tcplog 0 0K 0
tcp_hwpace 0 0K 0
acpipwr 0 0K 0
acpi_perf 0 0K 0
LRO 0 0K 0
newreno data 0 0K 0
ip_moptions 0 0K 90
in_mfilter 0 0K 194
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 0
fadvise 0 0K 5
VN POLL 0 0K 0
twsbuf 0 0K 0
statfs 0 0K 6104
namei_tracker 0 0K 11
export_host 0 0K 0
cl_savebuf 0 0K 76
twe_commands 0 0K 0
twa_commands 0 0K 0
tcp_log_dev 0 0K 233
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
acpicmbat 0 0K 0
SIIS driver 0 0K 0
CAM CCB 0 0K 24051
PUC 0 0K 0
ppbusdev 0 0K 0
agtiapi_MemAlloc malloc 0 0K 0
biobuf 0 0K 0
aios 0 0K 0
lio 0 0K 15
acl 0 0K 0
osti_cacheable 0 0K 0
mbuf_tag 0 0K 227
tempbuff 0 0K 0
tempbuff 0 0K 0
ag_tgt_map_t malloc 0 0K 0
ag_slr_map_t malloc 0 0K 0
lDevFlags * malloc 0 0K 0
tiDeviceHandle_t * malloc 0 0K 0
ag_portal_data_t malloc 0 0K 0
ag_device_t malloc 0 0K 0
STLock malloc 0 0K 0
CCB List 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
CAM ccb queue 0 0K 0
mrsasbuf 0 0K 0
mpt_user 0 0K 0
mps_user 0 0K 0
accf 0 0K 0
pts 0 0K 0
iov 0 0K 20741
ioctlops 0 0K 1002
eventfd 0 0K 5
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 288
md_sectors 0 0K 0
firmware 0 0K 0
compressor 0 0K 0
md_disk 0 0K 1
SWAP 0 0K 0
malodev 0 0K 0
LED 0 0K 0
sysctltmp 0 0K 1052
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 19
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
NFSD rollback 0 0K 0
NFSCL diroff 0 0K 0
db> show uma
Zone Size Used Free Requests Sleeps Bucket Total Mem XFree
mbuf_jumbo_page 4096 8320 1871 202278 0 254 41742336 0
tcp_log 416 1116 15012 211502 0 254 6709248 0
mbuf 256 8948 3652 1549292 0 254 3225600 0
pbuf 2624 0 957 0 0 2 2511168 0
malloc-16384 16384 109 5 5979 0 1 1867776 0
RADIX NODE 144 10712 1575 217060 0 62 1769328 0
BUF TRIE 144 357 11403 16984 0 62 1693440 0
malloc-384 384 4315 15 4564 0 30 1662720 0
malloc-128 128 11342 66 11846 0 126 1460224 0
mbuf_cluster 2048 690 2 690 0 254 1417216 0
malloc-4096 4096 327 3 729 0 2 1351680 0
UMA Slabs 0 112 11880 33 11880 0 126 1334256 0
vmem btag 56 21057 86 21057 0 254 1184008 0
tcp_bbr_map 128 0 6293 292804 0 126 805504 0
malloc-4096 4096 192 4 7593 0 2 802816 0
FFS inode 1160 606 24 6707 0 8 730800 0
VM OBJECT 264 2635 80 104782 0 30 716760 0
MAP ENTRY 96 7144 290 414322 0 126 713664 0
256 Bucket 2048 272 18 18912 0 8 593920 0
ertt_txseginfo 40 2096 11337 747531 0 254 537320 0
THREAD 1808 260 26 10071 0 8 517088 0
malloc-2048 2048 187 45 6120 0 8 475136 0
sctp_ep 1280 205 137 6116 0 254 437760 0
sctp_asoc 2288 83 87 2799 0 254 388960 0
VMSPACE 2544 141 9 7011 0 4 381600 0
lkpimm 160 1 2324 1 0 62 372000 0
lkpicurr 160 2 2323 2 0 62 372000 0
VNODE 448 645 84 6748 0 30 326592 0
socket 944 184 140 12480 0 254 305856 0
malloc-256 256 230 880 35323 0 62 284160 0
malloc-64 64 4192 155 95227 0 254 278208 0
malloc-65536 65536 4 0 4 0 1 262144 0
PROC 1336 168 12 7045 0 8 240480 0
malloc-16 16 14197 553 22891 0 254 236000 0
malloc-32768 32768 0 7 2675 0 1 229376 0
DEVCTL 1024 0 220 153 0 0 225280 0
malloc-65536 65536 1 2 34 0 1 196608 0
malloc-32768 32768 0 6 142 0 1 196608 0
filedesc0 1072 167 15 7066 0 8 195104 0
UMA Zones 768 242 2 242 0 16 187392 0
malloc-128 128 1347 110 14715 0 126 186496 0
malloc-32 32 5364 180 5778 0 254 177408 0
mbuf_packet 256 70 620 34810 0 254 176640 0
malloc-128 128 1264 69 35787 0 126 170624 0
FFS2 dinode 256 606 39 6707 0 62 165120 0
malloc-384 384 325 55 9340 0 30 145920 0
S VFS Cache 104 1031 334 7448 0 126 141960 0
128 Bucket 1024 102 33 3530 0 16 138240 0
malloc-65536 65536 2 0 2 0 1 131072 0
malloc-65536 65536 0 2 662 0 1 131072 0
malloc-65536 65536 2 0 2 0 1 131072 0
malloc-65536 65536 0 2 52 0 1 131072 0
malloc-256 256 272 238 23352 0 62 130560 0
malloc-1024 1024 91 33 3326 0 16 126976 0
clpbuf 2624 0 48 1629 0 16 125952 0
sctp_raddr 736 82 83 3228 0 254 121440 0
malloc-1024 1024 110 6 127 0 16 118784 0
ksiginfo 112 164 880 1059 0 126 116928 0
sctp_chunk 152 91 663 3123 0 254 114608 0
malloc-2048 2048 7 45 24073 0 8 106496 0
malloc-384 384 8 262 6638 0 30 103680 0
malloc-16384 16384 4 2 179 0 1 98304 0
malloc-256 256 254 121 6931 0 62 96000 0
UMA Kegs 384 227 6 227 0 30 89472 0
malloc-128 128 358 324 6557 0 126 87296 0
tcpcb 1080 18 59 2080 0 254 83160 0
64 Bucket 512 111 49 9904 0 30 81920 0
malloc-8192 8192 5 4 134 0 1 73728 0
Files 80 618 282 29794 0 126 72000 0
malloc-32768 32768 2 0 2 0 1 65536 0
malloc-8192 8192 6 2 14 0 1 65536 0
malloc-8192 8192 5 3 10 0 1 65536 0
g_bio 408 0 160 75162 0 30 65280 0
tcp_inpcb 496 18 110 2080 0 254 63488 0
pipe 744 60 15 709 0 16 55800 0
malloc-256 256 154 56 618 0 62 53760 0
32 Bucket 256 71 139 13697 0 62 53760 0
malloc-4096 4096 12 1 23 0 2 53248 0
malloc-64 64 681 138 26007 0 254 52416 0
malloc-16384 16384 3 0 3 0 1 49152 0
malloc-2048 2048 4 20 511 0 8 49152 0
malloc-384 384 79 41 385 0 30 46080 0
malloc-256 256 114 66 1366 0 62 46080 0
pcpu-8 8 4770 862 10895 0 254 45056 0
malloc-8192 8192 4 1 12 0 1 40960 0
malloc-2048 2048 4 16 122 0 8 40960 0
malloc-64 64 282 348 6919 0 254 40320 0
TURNSTILE 136 287 7 287 0 62 39984 0
tcp_rack_pcb 832 0 45 543 0 16 37440 0
DIRHASH 1024 34 2 34 0 16 36864 0
NAMEI 1024 0 36 43320 0 16 36864 0
malloc-4096 4096 9 0 9 0 2 36864 0
malloc-2048 2048 6 12 526 0 8 36864 0
malloc-64 64 437 130 14314 0 254 36288 0
malloc-64 64 477 90 689 0 254 36288 0
malloc-32768 32768 1 0 1 0 1 32768 0
malloc-2048 2048 12 4 211 0 8 32768 0
pcpu-64 64 487 25 487 0 254 32768 0
malloc-128 128 63 185 867 0 126 31744 0
malloc-256 256 29 91 6319 0 62 30720 0
tcp_bbr_pcb 832 0 36 936 0 16 29952 0
malloc-4096 4096 3 4 6104 0 2 28672 0
malloc-1024 1024 13 15 1636 0 16 28672 0
SLEEPQUEUE 88 287 33 287 0 126 28160 0
KNOTE 160 28 147 58726 0 62 28000 0
8 Bucket 80 55 295 3011 0 126 28000 0
udplite_inpcb 496 2 54 1984 0 254 27776 0
malloc-8192 8192 2 1 4 0 1 24576 0
malloc-4096 4096 2 4 34 0 2 24576 0
malloc-512 512 42 6 606 0 30 24576 0
PWD 32 106 650 5950 0 254 24192 0
malloc-64 64 225 153 1383 0 254 24192 0
malloc-32 32 411 345 18519 0 254 24192 0
ttyinq 160 135 15 300 0 62 24000 0
malloc-128 128 94 92 6281 0 126 23808 0
ttyoutq 256 72 18 160 0 62 23040 0
malloc-256 256 43 47 558 0 62 23040 0
malloc-1024 1024 17 3 17 0 16 20480 0
malloc-32 32 310 320 9746 0 254 20160 0
Mountpoints 2752 2 5 2 0 4 19264 0
malloc-8192 8192 2 0 2 0 1 16384 0
malloc-8192 8192 1 1 5 0 1 16384 0
malloc-4096 4096 2 2 95 0 2 16384 0
malloc-2048 2048 2 6 606 0 8 16384 0
malloc-1024 1024 11 5 11 0 16 16384 0
malloc-512 512 3 29 661 0 30 16384 0
malloc-64
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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syzbot
Nov 27, 2021, 6:53:12 PM11/27/21
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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