Fatal trap NUM: page fault in witness_checkorder (2)
1 view
Skip to first unread message
syzbot
Oct 11, 2025, 10:02:37 PM (9 days ago) Oct 11
to syzkaller-f...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 21716b6c3ed6 kyua: Make "test" command actually report abo..
git tree: freebsd-src
console output: https://syzkaller.appspot.com/x/log.txt?x=11f16542580000
dashboard link: https://syzkaller.appspot.com/bug?extid=17d2dca006339d749e1b
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+17d2dc...@syzkaller.appspotmail.com
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0x0
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff8159eaa1
stack pointer = 0x28:0xfffffe0056db3480
frame pointer = 0x28:0xfffffe0056db35c0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = resume, IOPL = 0
current process = 898 (syz-executor)
rdi: 0000000000000000 rsi: 0000000000000000 rdx: 0000000000000000
rcx: fffffe0002bf1850 r8: 0000000000000000 r9: 0000000000000001
rax: fffffe0000000000 rbx: fffffe000780a498 rbp: fffffe0056db35c0
r10: d00c1c311a3f295f r11: 0000000000000017 r12: 0000000000000000
r13: 0000002ed00cb66f r14: fffffe000780a490 r15: 0000000000000000
trap number = 12
panic: page fault
cpuid = 0
time = 12
KDB: stack backtrace:
Fatal double fault
rip 0xffffffff816847c8 rsp 0xfffffe0056db1fa0 rbp 0xfffffe0056db2290
rax 0xfffffe0054126780 rdx 0xffffffff82827fa0 rbx 0xfffffe0054126780
rcx 0xc6 rsi 0xfffff8007fffcfe0 rdi 0x9
r8 0 r9 0xffffffff r10 0
r11 0x17 r12 0xc6 r13 0xfffff8007fffcff8
r14 0xfffffe0056db22e0 r15 0 rflags 0x10086
cs 0x20 ss 0x28 ds 0x3b es 0x3b fs 0x13 gs 0x1b
fsbase 0x3381848020f0 gsbase 0xffffffff84e10000 kgsbase 0
cpuid = 0; apic id = 00
panic: double fault
cpuid = 0
time = 12
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xffffffff83d3e310
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xffffffff83d3e470
vpanic() at vpanic+0x257/frame 0xffffffff83d3e630
panic() at panic+0xb5/frame 0xffffffff83d3e700
dblfault_handler() at dblfault_handler+0x2fa/frame 0xffffffff83d3e7e0
Xdblfault() at Xdblfault+0xd7/frame 0xffffffff83d3e7e0
--- trap 0x17, rip = 0xffffffff816847c8, rsp = 0xfffffe0056db1fa0, rbp = 0xfffffe0056db2290 ---
witness_checkorder() at witness_checkorder+0x18/frame 0xfffffe0056db2290
__mtx_lock_spin_flags() at __mtx_lock_spin_flags+0x157/frame 0xfffffe0056db2350
msgbuf_addstr() at msgbuf_addstr+0x10f/frame 0xfffffe0056db2530
_vprintf() at _vprintf+0x1ff/frame 0xfffffe0056db26d0
printf() at printf+0xd5/frame 0xfffffe0056db27c0
db_putc() at db_putc+0x67/frame 0xfffffe0056db27f0
kvprintf() at kvprintf+0x1425/frame 0xfffffe0056db29b0
db_printf() at db_printf+0x125/frame 0xfffffe0056db2b00
db_print_stack_entry() at db_print_stack_entry+0x34/frame 0xfffffe0056db2b30
db_backtrace() at db_backtrace+0x188/frame 0xfffffe0056db2bb0
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056db2cb0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056db2e10
vpanic() at vpanic+0x257/frame 0xfffffe0056db2fd0
panic() at panic+0xb5/frame 0xfffffe0056db3090
trap_pfault() at trap_pfault+0xaf2/frame 0xfffffe0056db31d0
trap() at trap+0x78e/frame 0xfffffe0056db33b0
calltrap() at calltrap+0x8/frame 0xfffffe0056db33b0
--- trap 0xc, rip = 0xffffffff8159eaa1, rsp = 0xfffffe0056db3480, rbp = 0xfffffe0056db35c0 ---
callout_process() at callout_process+0x441/frame 0xfffffe0056db35c0
handleevents() at handleevents+0x3ee/frame 0xfffffe0056db3630
timercb() at timercb+0x3cb/frame 0xfffffe0056db3700
lapic_handle_timer() at lapic_handle_timer+0x17f/frame 0xfffffe0056db3740
Xtimerint() at Xtimerint+0xb1/frame 0xfffffe0056db3740
--- interrupt, rip = 0xffffffff815fbbd1, rsp = 0xfffffe0056db3810, rbp = 0xfffffe0056db3810 ---
__asan_load1_noabort() at __asan_load1_noabort+0x71/frame 0xfffffe0056db3810
round_fn() at round_fn+0x382/frame 0xfffffe0056db3910
compress_pre() at compress_pre+0x47a/frame 0xfffffe0056db3a10
blake3_hash_many_generic() at blake3_hash_many_generic+0x7b9/frame 0xfffffe0056db3c30
blake3_compress_subtree_wide() at blake3_compress_subtree_wide+0x46e/frame 0xfffffe0056db4420
blake3_compress_subtree_wide() at blake3_compress_subtree_wide+0x1d0/frame 0xfffffe0056db4c00
blake3_compress_subtree_wide() at blake3_compress_subtree_wide+0x1d0/frame 0xfffffe0056db53e0
blake3_compress_subtree_wide() at blake3_compress_subtree_wide+0x1fa/frame 0xfffffe0056db5bc0
blake3_compress_subtree_wide() at blake3_compress_subtree_wide+0x1fa/frame 0xfffffe0056db63a0
Blake3_Update() at Blake3_Update+0x16d5/frame 0xfffffe0056db6f20
blake3_incremental() at blake3_incremental+0x15/frame 0xfffffe0056db6f30
abd_iterate_func() at abd_iterate_func+0x20d/frame 0xfffffe0056db7080
abd_checksum_blake3_native() at abd_checksum_blake3_native+0x9f/frame 0xfffffe0056db70d0
chksum_run() at chksum_run+0x19d/frame 0xfffffe0056db7230
chksum_benchit() at chksum_benchit+0x134/frame 0xfffffe0056db7260
chksum_benchmark() at chksum_benchmark+0x60f/frame 0xfffffe0056db7300
chksum_init() at chksum_init+0x10/frame 0xfffffe0056db7320
spa_init() at spa_init+0x10c/frame 0xfffffe0056db7340
zfs_kmod_init() at zfs_kmod_init+0x20/frame 0xfffffe0056db7360
zfs_modevent() at zfs_modevent+0x35/frame 0xfffffe0056db7380
module_register_init() at module_register_init+0xf4/frame 0xfffffe0056db73d0
linker_load_module() at linker_load_module+0x1ec2/frame 0xfffffe0056db7ab0
kern_kldload() at kern_kldload+0x2c6/frame 0xfffffe0056db7b90
vfs_byname_kld() at vfs_byname_kld+0xa2/frame 0xfffffe0056db7c50
sys_mount() at sys_mount+0x1c5/frame 0xfffffe0056db7d10
amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe0056db7f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0056db7f30
--- syscall (198, FreeBSD ELF64, __syscall), rip = 0x3a6e9a, rsp = 0x825640f08, rbp = 0x825640f80 ---
KDB: enter: panic
[ thread pid 898 tid 100247 ]
Stopped at kdb_enter+0x6e: movq $0,0x259e117(%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 0xfffffe0002bf1850
rdx 0
rbx 0xffffffff8280d7e0 .str.27
rsp 0xffffffff83d3e450 dblfault_stack+0xb90
rbp 0xffffffff83d3e470 dblfault_stack+0xbb0
rsi 0
rdi 0xffffffff81646699 printf+0x149
r8 0
r9 0xffffffff
r10 0x3381848020f0
r11 0xffffffff84e10000
r12 0xfffffe0054126780
r13 0
r14 0xffffffff8280d7e0 .str.27
r15 0
rip 0xffffffff8162fa7e kdb_enter+0x6e
rflags 0x46
kdb_enter+0x6e: movq $0,0x259e117(%rip)
db> show proc
Process 898 (syz-executor) at 0xfffffe005400cac0:
state: NORMAL
uid: 0 gid: 0 supp gids: 0, 5
parent: pid 766 at 0xfffffe000780a570
ABI: FreeBSD ELF64
flag: 0x10080480 flag2: 0x40000
arguments: ./syz-executor exec
reaper: 0xfffffe0007809010 reapsubtree: 1
sigparent: 20
vmspace: 0xfffffe0007810db0
(map 0xfffffe0007810db0)
(map.pmap 0xfffffe0007810e50)
(pmap 0xfffffe0007810ec0)
threads: 2
100092 s syz-executor
100247 Run CPU 0 syz-executor
db> ps
pid ppid pgrp uid state wmesg wchan cmd
934 764 764 0 R (threaded) syz-executor
100263 RunQ syz-executor
100371 Run CPU 1 syz-executor
100372 S uwait 0xfffffe0077e38600 syz-executor
932 1 764 -1 S uwait 0xfffffe0058517680 syz-executor
931 1 764 0 S uwait 0xfffffe00582d0480 syz-executor
930 929 765 0 S uwait 0xfffffe00582d2400 syz-executor
929 765 765 0 R (threaded) syz-executor
100336 RunQ syz-executor
100344 S kldbusy 0xffffffff83b5b800 syz-executor
100345 S uwait 0xfffffe006e501f00 syz-executor
100346 S uwait 0xfffffe00582d2a80 syz-executor
100347 S uwait 0xfffffe006e502b00 syz-executor
100348 S uwait 0xfffffe0077e38300 syz-executor
100349 S uwait 0xfffffe0077e38400 syz-executor
918 1 765 0 S uwait 0xfffffe0058518d00 syz-executor
915 1 764 0 S uwait 0xfffffe0058517880 syz-executor
910 1 765 0 S uwait 0xfffffe006e502100 syz-executor
907 1 764 0 S uwait 0xfffffe006e503500 syz-executor
906 1 764 0 S uwait 0xfffffe0058517200 syz-executor
898 766 766 0 T (threaded) syz-executor
100092 s syz-executor
100247 Run CPU 0 syz-executor
896 1 764 0 S uwait 0xfffffe0058517000 syz-executor
887 1 765 0 S uwait 0xfffffe006e503180 syz-executor
884 1 766 0 S uwait 0xfffffe00582cf980 syz-executor
881 1 881 0 Ts+ ttyin 0xfffffe0053f678b0 getty
880 1 880 0 Ts+ ttyin 0xfffffe0053f670b0 getty
879 1 879 0 Ts+ ttyin 0xfffffe0053f668b0 getty
878 1 878 0 Ts+ ttyin 0xfffffe0053f660b0 getty
877 1 877 0 Ts+ ttyin 0xfffffe00594b18b0 getty
876 1 876 0 Ts+ ttyin 0xfffffe00594b10b0 getty
875 1 875 0 Ts+ ttyin 0xfffffe00594b08b0 getty
874 1 874 0 Ts+ ttyin 0xfffffe00594b00b0 getty
873 1 873 0 Ts+ ttyin 0xfffffe00582b80b0 getty
867 1 765 0 S uwait 0xfffffe0058518900 syz-executor
862 1 861 0 S uwait 0xfffffe006e502e00 syz-executor
860 1 763 0 S uwait 0xfffffe0058517980 syz-executor
846 0 0 0 DL mdwait 0xfffffe0059bb9000 [md0]
845 1 766 0 S uwait 0xfffffe006e503280 syz-executor
841 1 766 0 S uwait 0xfffffe0058517580 syz-executor
839 0 0 0 DL (threaded) [KTLS]
100115 D - 0xfffffe0058593d00 [thr_0]
100160 D - 0xfffffe0058593d80 [thr_1]
100161 D - 0xffffffff83cd0628 [reclaim_0]
834 1 763 0 S uwait 0xfffffe006e502c00 syz-executor
828 1 763 0 S uwait 0xfffffe00582cfc80 syz-executor
827 0 0 0 DL (threaded) [so_splice]
100140 D - 0xfffffe0058518500 [thr_0]
100141 D - 0xfffffe0058518540 [thr_1]
822 803 822 0 Ss select 0xfffffe0059719340 dhclient
819 1 819 0 S uwait 0xfffffe00582d0100 syz-executor
817 0 0 0 DL aiordy 0xfffffe005410d000 [aiod4]
816 0 0 0 DL aiordy 0xfffffe005410eab8 [aiod3]
815 0 0 0 DL aiordy 0xfffffe005410f010 [aiod2]
814 0 0 0 DL aiordy 0xfffffe005410f568 [aiod1]
803 784 423 65 S select 0xfffffe006e02ccc0 dhclient
784 1 423 0 S wait 0xfffffe00540cb568 sh
766 762 766 0 S wait 0xfffffe000780a570 syz-executor
765 762 765 0 R syz-executor
764 762 764 0 R syz-executor
763 762 763 0 R syz-executor
762 760 760 0 S select 0xfffffe0058500740 syz-executor
760 758 760 0 Ss sigsusp 0xfffffe00540cc0c8 csh
758 681 758 0 Ss select 0xfffffe006e02ce40 sshd
736 1 17 0 S+ nanslp 0xffffffff83baec41 sleep
681 1 681 0 Ss select 0xfffffe006dc34740 sshd
16 0 0 0 DL syncer 0xffffffff83cdc820 [syncer]
15 0 0 0 DL vlruwt 0xfffffe0054002558 [vnlru]
14 0 0 0 DL (threaded) [bufdaemon]
100079 D psleep 0xffffffff83cdad60 [bufdaemon]
100082 D - 0xffffffff83001ec0 [bufspacedaemon-0]
100093 D sdflush 0xfffffe0059947ce8 [/ worker]
9 0 0 0 DL psleep 0xffffffff83d25cc0 [vmdaemon]
8 0 0 0 RL (threaded) [pagedaemon]
100077 RunQ [dom0]
100080 D launds 0xffffffff83d0bd94 [laundry: dom0]
100081 D umarcl 0xffffffff81e17140 [uma]
7 0 0 0 DL - 0xffffffff839275f8 [rand_harvestq]
6 0 0 0 DL pftm 0xffffffff847e8f20 [pf purge]
5 0 0 0 DL waiting 0xffffffff8460f700 [sctp_iterator]
4 0 0 0 DL (threaded) [cam]
100045 D - 0xffffffff838f1340 [doneq0]
100046 D - 0xffffffff838f12c0 [async]
100075 D - 0xffffffff838f1140 [scanner]
3 0 0 0 DL (threaded) [crypto]
100042 D crypto_ 0xffffffff83d07660 [crypto]
100043 D crypto_ 0xfffffe0057d60030 [crypto returns 0]
100044 D crypto_ 0xfffffe0057d60080 [crypto returns 1]
13 0 0 0 DL (threaded) [geom]
100037 D - 0xffffffff83b57640 [g_event]
100038 D - 0xffffffff83b57660 [g_up]
100039 D - 0xffffffff83b57680 [g_down]
2 0 0 0 WL (threaded) [clock]
100031 I [clock (0)]
100032 I [clock (1)]
12 0 0 0 RL (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 RunQ [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 0xfffffe0007809010 [init]
10 0 0 0 DL audit_w 0xffffffff83d08100 [audit]
0 0 0 0 DLs (threaded) [kernel]
100000 D parked 0xffffffff84c55ff0 [swapper]
100005 D - 0xfffffe0053ebf100 [softirq_0]
100006 D - 0xfffffe0053ebf000 [softirq_1]
100007 D - 0xfffffe0053ebee00 [if_io_tqg_0]
100008 D - 0xfffffe0053ebed00 [if_io_tqg_1]
100009 D - 0xfffffe0053ebec00 [if_config_tqg_0]
100010 D - 0xfffffe00077dc700 [kqueue_ctx taskq]
100011 D - 0xfffffe00077dc600 [jail_remove taskq]
100012 D - 0xfffffe00077dc500 [bus taskq]
100015 D - 0xfffffe00077dc000 [thread taskq]
100017 D - 0xfffffe00077dbc00 [aiod_kick taskq]
100018 D - 0xfffffe00077dbb00 [deferred_unmount ta]
100019 D - 0xfffffe00077dba00 [inm_free taskq]
100020 D - 0xfffffe00077db900 [in6m_free taskq]
100021 D - 0xfffffe00077db800 [linuxkpi_irq_wq]
100022 D - 0xfffffe00077db700 [linuxkpi_short_wq_0]
100023 D - 0xfffffe00077db700 [linuxkpi_short_wq_1]
100024 D - 0xfffffe00077db700 [linuxkpi_short_wq_2]
100025 D - 0xfffffe00077db700 [linuxkpi_short_wq_3]
100026 D - 0xfffffe00077db600 [linuxkpi_long_wq_0]
100027 D - 0xfffffe00077db600 [linuxkpi_long_wq_1]
100028 D - 0xfffffe00077db600 [linuxkpi_long_wq_2]
100029 D - 0xfffffe00077db600 [linuxkpi_long_wq_3]
100036 D - 0xfffffe00077db100 [firmware taskq]
100040 D - 0xfffffe00083ff600 [crypto_0]
100041 D - 0xfffffe00083ff600 [crypto_1]
100056 D - 0xfffffe0057e08e00 [vtnet0 rxq 0]
100057 D - 0xfffffe0057e08d00 [vtnet0 txq 0]
100058 D - 0xfffffe0057e08c00 [vtnet0 rxq 1]
100059 D - 0xfffffe0057e08b00 [vtnet0 txq 1]
100061 D vtbslp 0xfffffe0057d73d80 [virtio_balloon]
100065 D - 0xffffffff82811ec0 [deadlkres]
100069 D - 0xfffffe00083ff200 [acpi_task_0]
100070 D - 0xfffffe00083ff200 [acpi_task_1]
100071 D - 0xfffffe00083ff200 [acpi_task_2]
100073 D - 0xfffffe00077de100 [mca taskq]
100074 D - 0xfffffe00083ff000 [CAM taskq]
100076 D - 0xfffffe0057e08400 [ipsec_offload]
100270 D - 0xfffffe00596e5c00 [system_taskq_0]
100271 D - 0xfffffe00596e5c00 [system_taskq_1]
100272 D - 0xfffffe00596e5900 [system_delay_taskq_]
100273 D - 0xfffffe00596e5900 [system_delay_taskq_]
100274 D - 0xfffffe00596e6700 [zvol_tq-0_0]
100275 D - 0xfffffe00596e6700 [zvol_tq-0_1]
100276 D - 0xfffffe00596e6700 [zvol_tq-0_2]
100277 D - 0xfffffe00596e6700 [zvol_tq-0_3]
100278 D - 0xfffffe00596e6700 [zvol_tq-0_4]
100279 D - 0xfffffe00596e6700 [zvol_tq-0_5]
100280 D - 0xfffffe00596e6700 [zvol_tq-0_6]
100281 D - 0xfffffe00596e6700 [zvol_tq-0_7]
100282 D - 0xfffffe00596e6700 [zvol_tq-0_8]
100283 D - 0xfffffe00596e6700 [zvol_tq-0_9]
100284 D - 0xfffffe00596e6700 [zvol_tq-0_10]
100285 D - 0xfffffe00596e6700 [zvol_tq-0_11]
100286 D - 0xfffffe00596e6700 [zvol_tq-0_12]
100287 D - 0xfffffe00596e6700 [zvol_tq-0_13]
100288 D - 0xfffffe00596e6700 [zvol_tq-0_14]
100289 D - 0xfffffe00596e6700 [zvol_tq-0_15]
100290 D - 0xfffffe00596e6700 [zvol_tq-0_16]
100291 D - 0xfffffe00596e6700 [zvol_tq-0_17]
100292 D - 0xfffffe00596e6700 [zvol_tq-0_18]
100293 D - 0xfffffe00596e6700 [zvol_tq-0_19]
100294 D - 0xfffffe00596e6700 [zvol_tq-0_20]
100295 D - 0xfffffe00596e6700 [zvol_tq-0_21]
100296 D - 0xfffffe00596e6700 [zvol_tq-0_22]
100297 D - 0xfffffe00596e6700 [zvol_tq-0_23]
100298 D - 0xfffffe00596e6700 [zvol_tq-0_24]
100299 D - 0xfffffe00596e6700 [zvol_tq-0_25]
100300 D - 0xfffffe00596e6700 [zvol_tq-0_26]
100301 D - 0xfffffe00596e6700 [zvol_tq-0_27]
100302 D - 0xfffffe00596e6700 [zvol_tq-0_28]
100303 D - 0xfffffe00596e6700 [zvol_tq-0_29]
100304 D - 0xfffffe00596e6700 [zvol_tq-0_30]
100305 D - 0xfffffe00596e6700 [zvol_tq-0_31]
100306 D - 0xfffffe00596e5b00 [arc_prune]
100307 D - 0xfffffe00596e5d00 [arc_flush_0]
100308 D - 0xfffffe00596e5d00 [arc_flush_1]
100334 D - 0xfffffe00596e7900 [dbu_evict]
100350 D - 0xfffffe00596e5800 [z_vdev_file_0]
100351 D - 0xfffffe00596e5800 [z_vdev_file_1]
100352 D - 0xfffffe00596e5800 [z_vdev_file_2]
100353 D - 0xfffffe00596e5800 [z_vdev_file_3]
100354 D - 0xfffffe00596e5800 [z_vdev_file_4]
100355 D - 0xfffffe00596e5800 [z_vdev_file_5]
100356 D - 0xfffffe00596e5800 [z_vdev_file_6]
100357 D - 0xfffffe00596e5800 [z_vdev_file_7]
100358 D - 0xfffffe00596e5800 [z_vdev_file_8]
100359 D - 0xfffffe00596e5800 [z_vdev_file_9]
100360 D - 0xfffffe00596e5800 [z_vdev_file_10]
100361 D - 0xfffffe00596e5800 [z_vdev_file_11]
100362 D - 0xfffffe00596e5800 [z_vdev_file_12]
100363 D - 0xfffffe00596e5800 [z_vdev_file_13]
100364 D - 0xfffffe00596e5800 [z_vdev_file_14]
100365 D - 0xfffffe00596e5800 [z_vdev_file_15]
db> show all locks
Process 934 (syz-executor) thread 0xfffffe005415a780 (100371)
exclusive sleep mutex vtscsi0 (VTSCSI Lock) r = 0 (0xfffffe00083e4808) locked @ /syzkaller/managers/main/kernel/sys/cam/cam_xpt.c:3382
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe007768b750) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_subr.c:3395
Process 898 (syz-executor) thread 0xfffffe0054126780 (100247)
exclusive sleep mutex Giant (Giant) r = 1 (0xffffffff83001940) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_linker.c:232
Process 763 (syz-executor) thread 0xfffffe00540a6000 (100113)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007cf7f28) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:4022
shared lockmgr ufs (ufs) r = 0 (0xfffffe006e4c8ac0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_syscalls.c:4333
db> show malloc
Type InUse MemUse Requests
pf_hash 6 12804K 6
linker 409 11930K 541
tcp_hpts 7 4801K 7
devbuf 4188 4324K 4214
solaris 101 2905K 183
sysctloid 44120 2593K 44224
vtbuf 24 1968K 46
kobj 331 1324K 504
newblk 29 1031K 1266
vfscache 3 1025K 3
pcb 28 671K 132
inodedep 18 519K 289
ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
intr 4 472K 4
filedesc 51 405K 267
subproc 156 302K 1025
vnet_data 2 224K 2
acpitask 1 224K 1
KTRACE 101 201K 18402
acpica 1674 184K 54444
vmem 5 144K 6
tidhash 3 141K 3
pagedep 13 131K 123
tfo_ccache 1 128K 1
IP reass 1 128K 1
DEVFS1 107 107K 124
sem 4 106K 4
gtaskqueue 18 98K 18
LRO 22 85K 22
bus 1000 82K 5086
mtx_pool 3 74K 3
syncache 1 68K 1
NFSD srvcache 3 68K 3
module 527 66K 527
ddb_capture 1 64K 1
kdtrace 279 58K 1308
umtx 432 54K 432
shm 2 34K 3
hostcache 1 32K 1
DEVFS3 127 32K 137
msg 4 30K 4
kbdmux 6 28K 6
temp 35 22K 1914
DEVFS_RULE 56 20K 56
ifaddr 67 19K 70
BPF 14 19K 37
ufs_mount 4 17K 5
proc 3 17K 3
tty 16 16K 16
routetbl 130 16K 410
kstat_data 15 15K 15
ithread 90 15K 90
bus-sc 34 15K 1657
eventhandler 164 14K 164
lltable 43 14K 43
ifnet 7 13K 7
ether_multi 152 13K 165
kenv 95 12K 95
GEOM 54 12K 475
cred 27 11K 223
CAM queue 5 11K 1528
rman 82 10K 437
taskqueue 90 10K 99
rpc 8 9K 8
in6_multi 65 9K 66
bmsafemap 2 9K 230
devstat 4 9K 4
UART 12 9K 12
ksem 1 8K 1
shmfd 1 8K 3
pfs_vncache 1 8K 1
audit_evclass 240 8K 306
plimit 20 8K 478
mount 43 7K 237
sglist 6 7K 6
UMA 334 7K 334
CAM DEV 3 6K 510
pfs_nodes 22 6K 22
ufs_dirhash 24 5K 30
pf_ifnet 11 5K 20
kqueue 69 5K 1050
pwddesc 67 5K 949
vt 11 5K 11
md_disk 2 5K 3
memdesc 1 4K 1
MCA 32 4K 32
md_sectors 1 4K 1
evdev 4 4K 4
acpisem 28 4K 28
DEVFSP 49 4K 79
terminal 11 3K 11
uidinfo 5 3K 14
acpidev 20 3K 20
hhook 8 3K 10
proc-args 82 3K 1994
clone 9 3K 9
kcovinfo 36 3K 36
netlink 2 3K 72
session 17 3K 48
pf_rule 1 2K 1
local_apic 1 2K 1
io_apic 1 2K 1
ipsec-saq 2 2K 2
selfd 32 2K 99427
ip6ndp 12 2K 13
osd 75 2K 151
lockf 16 2K 57
CC Mem 14 2K 75
sctp_ifa 13 2K 14
Unitno 26 2K 58
CAM XPT 22 2K 543
in_multi 6 2K 8
tun 4 2K 4
toponodes 6 2K 6
ipsecpolicy 2 2K 2
mkdir 10 2K 216
crypto 6 2K 27
msi 9 2K 9
softdep 1 1K 1
diradd 8 1K 219
sahead 1 1K 1
secasvar 1 1K 1
nhops 6 1K 8
vnodemarker 2 1K 22
NFSD session 1 1K 1
newdirblk 7 1K 109
CAM periph 4 1K 271
ipsec 3 1K 3
sctp_ifn 6 1K 14
mld 6 1K 6
igmp 6 1K 6
pfil 6 1K 6
isadev 6 1K 6
pci_link 10 1K 10
inpcbpolicy 20 1K 261
encap_export_host 12 1K 12
select 5 1K 42
cryptodev 10 1K 80
dirrem 2 1K 199
cdev 2 1K 2
lkpikmalloc 8 1K 9
counter_rate 13 1K 13
sctp_atcl 1 1K 18
freefile 3 1K 151
chacha20random 1 1K 1
biobuf 1 1K 1
DEVFS 10 1K 11
sctp_timw 1 1K 1
indirdep 1 1K 126
ip6_msource 4 1K 4
vnodes 1 1K 2
ktls 1 1K 8
NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
CAM SIM 2 1K 2
prison 8 1K 8
feeder 7 1K 7
taskq 2 1K 2
tcpfunc 3 1K 3
loginclass 3 1K 5
nexusdev 8 1K 8
apmdev 1 1K 1
atkbddev 2 1K 2
ip_msource 2 1K 2
in_mfilter 3 1K 3
aio 4 1K 4
pmchooks 1 1K 1
CAM path 4 1K 1034
CAM dev queue 2 1K 2
CAM I/O Scheduler 1 1K 1
filecaps 4 1K 72
sctp_vrf 1 1K 1
freework 1 1K 211
ip_moptions 1 1K 2
vnet 1 1K 1
pmc 1 1K 1
entropy 2 1K 33
acpiintr 1 1K 1
DEVFS4 2 1K 2
sctp_atky 1 1K 21
cpus 2 1K 2
vnet_data_free 1 1K 1
Per-cpu 1 1K 1
pf 1 1K 1
sctp_athm 1 1K 19
p1003.1b 1 1K 1
sfs_nodes 0 0K 0
zones_data 0 0K 0
ipcomp 0 0K 0
esp 0 0K 0
ah 0 0K 0
pf_table 0 0K 0
pf_altq 0 0K 0
pf_osfp 0 0K 0
pf_krule_item 0 0K 0
pf_temp 0 0K 0
sctp_mcore 0 0K 0
sctp_socko 0 0K 3
sctp_iter 0 0K 11
sctp_mvrf 0 0K 0
sctp_cpal 0 0K 0
sctp_cmsg 0 0K 0
sctp_stre 0 0K 0
sctp_athi 0 0K 0
sctp_a_it 0 0K 11
sctp_aadr 0 0K 0
sctp_stro 0 0K 2
sctp_stri 0 0K 2
sctp_map 0 0K 4
mqdata 0 0K 0
filemon 0 0K 3
tcp_pcm_rack 0 0K 0
tcp_do_rack 0 0K 0
tcp_fsb_rack 0 0K 0
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 179
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 10
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
freeblks 0 0K 124
freefrag 0 0K 102
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
ktls_ocf 0 0K 1
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
ip6opt 0 0K 13
ip6_moptions 0 0K 2
in6_mfilter 0 0K 6
frag6 0 0K 3
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 20
fadvise 0 0K 1
VN POLL 0 0K 7
statfs 0 0K 182
namei_tracker 0 0K 8
inotify 0 0K 17
export_host 0 0K 0
cl_savebuf 0 0K 48
lio 0 0K 4
acl 0 0K 0
soname 0 0K 3507
mbuf_tag 0 0K 0
accf 0 0K 0
pts 0 0K 0
timerfd 0 0K 0
procdesc 0 0K 8
iov 0 0K 14140
ioctlops 0 0K 109
eventfd 0 0K 3
Witness 0 0K 0
stack 0 0K 0
sbuf 0 0K 202
firmware 0 0K 0
compressor 0 0K 0
SWAP 0 0K 0
sysctltmp 0 0K 667
sysctl 0 0K 3
ekcd 0 0K 0
dumper 0 0K 0
sendfile 0 0K 3
rctl 0 0K 0
cache 0 0K 0
jaildesc 0 0K 0
prison_racct 0 0K 0
Fail Points 0 0K 0
sigio 0 0K 2
filedesc_to_leader 0 0K 0
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 78
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
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
ufshci 0 0K 0
twsbuf 0 0K 0
tcp_log_dev 0 0K 3
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 175
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 8320 1078 18997 0 254 38494208 0
mbuf 256 8625 1037 22044 0 254 2473472 0
malloc-128 128 14414 94 14744 0 126 1857024 0
BUF TRIE 152 342 11462 1060 0 62 1794208 0
malloc-384 384 4131 69 4410 0 30 1612800 0
malloc-4096 4096 333 5 515 0 2 1384448 0
UMA Slabs 0 112 11029 17 11029 0 126 1237152 0
RADIX NODE 152 7758 323 31659 0 62 1228312 0
tcp_log 416 1860 939 5121 0 254 1164384 0
mbuf_cluster 2048 508 0 508 0 254 1040384 0
malloc-64 64 247 15755 111886 0 254 1024128 0
vmem btag 56 17025 78 17025 0 254 957768 0
malloc-65536 65536 10 1 13 0 1 720896 0
FFS inode 1168 548 26 701 0 8 670432 0
sctp_ep 1152 1 510 15 0 254 588672 0
sctp_asoc 2256 0 255 2 0 254 575280 0
socket 1024 30 478 1546 0 254 520192 0
lkpicurr 168 2 3094 2 0 62 520128 0
malloc-16384 16384 26 3 131 0 1 475136 0
malloc-65536 65536 6 1 7 0 1 458752 0
256 Bucket 2048 203 13 1289 0 8 442368 0
pbuf 2624 0 162 0 0 2 425088 0
THREAD 1860 211 5 372 0 8 401760 0
malloc-4096 4096 78 4 955 0 2 335872 0
malloc-64 64 4716 387 4771 0 254 326592 0
VM OBJECT 248 1190 122 14752 0 62 325376 0
malloc-16 16 18088 412 18326 0 254 296000 0
VNODE 440 587 79 743 0 30 293040 0
zio_buf_comb_262144 262144 1 0 12 0 1 262144 0
malloc-32 32 7063 371 7353 0 254 237888 0
UMA Zones 768 306 3 306 0 16 237312 0
malloc-32768 32768 2 5 102 0 1 229376 0
malloc-2048 2048 105 7 187 0 8 229376 0
DEVCTL 1024 23 197 150 0 0 225280 0
sctp_raddr 736 0 264 2 0 254 194304 0
malloc-256 256 251 499 1619 0 62 192000 0
FPU_save_area 832 213 12 469 0 16 187200 0
malloc-128 128 1185 210 25368 0 126 178560 0
lkpimm 56 1 3095 1 0 254 173376 0
MAP ENTRY 96 1548 216 46844 0 126 169344 0
unpcb 320 7 509 1202 0 254 165120 0
malloc-128 128 1165 106 5542 0 126 162688 0
FFS2 dinode 256 548 82 701 0 62 161280 0
malloc-1024 1024 134 10 151 0 16 147456 0
S VFS Cache 104 1010 394 1199 0 126 146016 0
zio_buf_comb_131072 131072 0 1 1 0 1 131072 0
malloc-65536 65536 0 2 63 0 1 131072 0
malloc-65536 65536 2 0 2 0 1 131072 0
malloc-65536 65536 0 2 110 0 1 131072 0
malloc-65536 65536 0 2 8 0 1 131072 0
malloc-32768 32768 2 2 7 0 1 131072 0
mbuf_packet 256 5 503 292 0 254 130048 0
PROC 1368 66 22 934 0 8 120384 0
ksiginfo 112 67 977 163 0 126 116928 0
malloc-2048 2048 7 49 514 0 8 114688 0
UMA Kegs 384 292 1 292 0 30 112512 0
malloc-32768 32768 3 0 3 0 1 98304 0
malloc-8192 8192 12 0 15 0 1 98304 0
syncache 176 0 529 4 0 254 93104 0
malloc-384 384 194 46 403 0 30 92160 0
filedesc0 1072 67 17 949 0 8 90048 0
vnpbuf 2624 0 32 2 0 16 83968 0
malloc-256 256 246 69 932 0 62 80640 0
g_bio 408 4 176 7539 0 30 73440 0
128 Bucket 1024 47 20 276 0 16 68608 0
malloc-64 64 513 558 981 0 254 68544 0
malloc-64 64 581 490 2505 0 254 68544 0
malloc-128 128 364 163 831 0 126 67456 0
malloc-65536 65536 0 1 1 0 1 65536 0
malloc-32768 32768 2 0 2 0 1 65536 0
malloc-32768 32768 0 2 120 0 1 65536 0
malloc-4096 4096 15 1 28 0 2 65536 0
malloc-2048 2048 14 18 45 0 8 65536 0
64 Bucket 512 89 39 2085 0 30 65536 0
32 Bucket 256 81 174 423 0 62 65280 0
sctp_stream_msg_out 112 0 540 2 0 254 60480 0
malloc-4096 4096 6 8 18 0 2 57344 0
tcp_inpcb 1304 15 27 74 0 8 54768 0
malloc-128 128 62 341 318 0 126 51584 0
malloc-256 256 112 83 607 0 62 49920 0
malloc-256 256 64 131 464 0 62 49920 0
zio_data_buf_16384 16384 0 3 9 0 1 49152 0
DIRHASH 1024 34 14 39 0 16 49152 0
NAMEI 1024 1 47 13725 0 16 49152 0
malloc-16384 16384 3 0 3 0 1 49152 0
malloc-8192 8192 3 3 44 0 1 49152 0
malloc-2048 2048 0 24 573 0 8 49152 0
malloc-1024 1024 6 42 1593 0 16 49152 0
pcpu-64 64 506 262 506 0 254 49152 0
pcpu-8 8 5217 415 5443 0 254 45056 0
clpbuf 2624 0 16 88 0 4 41984 0
VMSPACE 584 44 26 911 0 16 40880 0
sctp_readq 152 0 260 1 0 254 39520 0
sctp_chunk 152 0 260 2 0 254 39520 0
da_ccb 544 1 69 2016 0 16 38080 0
udp_inpcb 408 4 86 162 0 30 36720 0
hostcache 64 2 565 2 0 254 36288 0
malloc-64 64 62 505 217 0 254 36288 0
malloc-64 64 14 553 13815 0 254 36288 0
malloc-64 64 293 274 354 0 254 36288 0
malloc-64 64 172 395 207 0 254 36288 0
malloc-128 128 35 244 194 0 126 35712 0
malloc-128 128 32 247 64 0 126 35712 0
malloc-128 128 35 244 408 0 126 35712 0
ktls_session 256 0 135 2 0 62 34560 0
routing nhops 256 27 108 34 0 62 34560 0
ttyoutq 256 72 63 304 0 62 34560 0
malloc-256 256 11 124 190 0 62 34560 0
malloc-256 256 22 113 349 0 62 34560 0
malloc-256 256 31 104 163 0 62 34560 0
malloc-256 256 14 121 1139 0 62 34560 0
TURNSTILE 136 217 35 217 0 62 34272 0
zio_buf_16384 16384 0 2 10 0 1 32768 0
malloc-32768 32768 0 1 11 0 1 32768 0
malloc-16384 16384 0 2 190 0 1 32768 0
malloc-16384 16384 2 0 4 0 1 32768 0
malloc-8192 8192 3 1 23 0 1 32768 0
malloc-8192 8192 2 2 83 0 1 32768 0
malloc-4096 4096 5 3 27 0 2 32768 0
malloc-4096 4096 2 6 49 0 2 32768 0
malloc-2048 2048 10 6 10 0 8 32768 0
malloc-2048 2048 13 3 45 0 8 32768 0
malloc-2048 2048 4 12 195 0 8 32768 0
malloc-1024 1024 4 28 20 0 16 32768 0
malloc-1024 1024 12 20 15 0 16 32768 0
malloc-1024 1024 3 29 3 0 16 32768 0
malloc-1024 1024 18
---
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.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: 21716b6c3ed6 kyua: Make "test" command actually report abo..
git tree: freebsd-src
console output: https://syzkaller.appspot.com/x/log.txt?x=11f16542580000
dashboard link: https://syzkaller.appspot.com/bug?extid=17d2dca006339d749e1b
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+17d2dc...@syzkaller.appspotmail.com
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0x0
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff8159eaa1
stack pointer = 0x28:0xfffffe0056db3480
frame pointer = 0x28:0xfffffe0056db35c0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = resume, IOPL = 0
current process = 898 (syz-executor)
rdi: 0000000000000000 rsi: 0000000000000000 rdx: 0000000000000000
rcx: fffffe0002bf1850 r8: 0000000000000000 r9: 0000000000000001
rax: fffffe0000000000 rbx: fffffe000780a498 rbp: fffffe0056db35c0
r10: d00c1c311a3f295f r11: 0000000000000017 r12: 0000000000000000
r13: 0000002ed00cb66f r14: fffffe000780a490 r15: 0000000000000000
trap number = 12
panic: page fault
cpuid = 0
time = 12
KDB: stack backtrace:
Fatal double fault
rip 0xffffffff816847c8 rsp 0xfffffe0056db1fa0 rbp 0xfffffe0056db2290
rax 0xfffffe0054126780 rdx 0xffffffff82827fa0 rbx 0xfffffe0054126780
rcx 0xc6 rsi 0xfffff8007fffcfe0 rdi 0x9
r8 0 r9 0xffffffff r10 0
r11 0x17 r12 0xc6 r13 0xfffff8007fffcff8
r14 0xfffffe0056db22e0 r15 0 rflags 0x10086
cs 0x20 ss 0x28 ds 0x3b es 0x3b fs 0x13 gs 0x1b
fsbase 0x3381848020f0 gsbase 0xffffffff84e10000 kgsbase 0
cpuid = 0; apic id = 00
panic: double fault
cpuid = 0
time = 12
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xffffffff83d3e310
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xffffffff83d3e470
vpanic() at vpanic+0x257/frame 0xffffffff83d3e630
panic() at panic+0xb5/frame 0xffffffff83d3e700
dblfault_handler() at dblfault_handler+0x2fa/frame 0xffffffff83d3e7e0
Xdblfault() at Xdblfault+0xd7/frame 0xffffffff83d3e7e0
--- trap 0x17, rip = 0xffffffff816847c8, rsp = 0xfffffe0056db1fa0, rbp = 0xfffffe0056db2290 ---
witness_checkorder() at witness_checkorder+0x18/frame 0xfffffe0056db2290
__mtx_lock_spin_flags() at __mtx_lock_spin_flags+0x157/frame 0xfffffe0056db2350
msgbuf_addstr() at msgbuf_addstr+0x10f/frame 0xfffffe0056db2530
_vprintf() at _vprintf+0x1ff/frame 0xfffffe0056db26d0
printf() at printf+0xd5/frame 0xfffffe0056db27c0
db_putc() at db_putc+0x67/frame 0xfffffe0056db27f0
kvprintf() at kvprintf+0x1425/frame 0xfffffe0056db29b0
db_printf() at db_printf+0x125/frame 0xfffffe0056db2b00
db_print_stack_entry() at db_print_stack_entry+0x34/frame 0xfffffe0056db2b30
db_backtrace() at db_backtrace+0x188/frame 0xfffffe0056db2bb0
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056db2cb0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056db2e10
vpanic() at vpanic+0x257/frame 0xfffffe0056db2fd0
panic() at panic+0xb5/frame 0xfffffe0056db3090
trap_pfault() at trap_pfault+0xaf2/frame 0xfffffe0056db31d0
trap() at trap+0x78e/frame 0xfffffe0056db33b0
calltrap() at calltrap+0x8/frame 0xfffffe0056db33b0
--- trap 0xc, rip = 0xffffffff8159eaa1, rsp = 0xfffffe0056db3480, rbp = 0xfffffe0056db35c0 ---
callout_process() at callout_process+0x441/frame 0xfffffe0056db35c0
handleevents() at handleevents+0x3ee/frame 0xfffffe0056db3630
timercb() at timercb+0x3cb/frame 0xfffffe0056db3700
lapic_handle_timer() at lapic_handle_timer+0x17f/frame 0xfffffe0056db3740
Xtimerint() at Xtimerint+0xb1/frame 0xfffffe0056db3740
--- interrupt, rip = 0xffffffff815fbbd1, rsp = 0xfffffe0056db3810, rbp = 0xfffffe0056db3810 ---
__asan_load1_noabort() at __asan_load1_noabort+0x71/frame 0xfffffe0056db3810
round_fn() at round_fn+0x382/frame 0xfffffe0056db3910
compress_pre() at compress_pre+0x47a/frame 0xfffffe0056db3a10
blake3_hash_many_generic() at blake3_hash_many_generic+0x7b9/frame 0xfffffe0056db3c30
blake3_compress_subtree_wide() at blake3_compress_subtree_wide+0x46e/frame 0xfffffe0056db4420
blake3_compress_subtree_wide() at blake3_compress_subtree_wide+0x1d0/frame 0xfffffe0056db4c00
blake3_compress_subtree_wide() at blake3_compress_subtree_wide+0x1d0/frame 0xfffffe0056db53e0
blake3_compress_subtree_wide() at blake3_compress_subtree_wide+0x1fa/frame 0xfffffe0056db5bc0
blake3_compress_subtree_wide() at blake3_compress_subtree_wide+0x1fa/frame 0xfffffe0056db63a0
Blake3_Update() at Blake3_Update+0x16d5/frame 0xfffffe0056db6f20
blake3_incremental() at blake3_incremental+0x15/frame 0xfffffe0056db6f30
abd_iterate_func() at abd_iterate_func+0x20d/frame 0xfffffe0056db7080
abd_checksum_blake3_native() at abd_checksum_blake3_native+0x9f/frame 0xfffffe0056db70d0
chksum_run() at chksum_run+0x19d/frame 0xfffffe0056db7230
chksum_benchit() at chksum_benchit+0x134/frame 0xfffffe0056db7260
chksum_benchmark() at chksum_benchmark+0x60f/frame 0xfffffe0056db7300
chksum_init() at chksum_init+0x10/frame 0xfffffe0056db7320
spa_init() at spa_init+0x10c/frame 0xfffffe0056db7340
zfs_kmod_init() at zfs_kmod_init+0x20/frame 0xfffffe0056db7360
zfs_modevent() at zfs_modevent+0x35/frame 0xfffffe0056db7380
module_register_init() at module_register_init+0xf4/frame 0xfffffe0056db73d0
linker_load_module() at linker_load_module+0x1ec2/frame 0xfffffe0056db7ab0
kern_kldload() at kern_kldload+0x2c6/frame 0xfffffe0056db7b90
vfs_byname_kld() at vfs_byname_kld+0xa2/frame 0xfffffe0056db7c50
sys_mount() at sys_mount+0x1c5/frame 0xfffffe0056db7d10
amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe0056db7f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0056db7f30
--- syscall (198, FreeBSD ELF64, __syscall), rip = 0x3a6e9a, rsp = 0x825640f08, rbp = 0x825640f80 ---
KDB: enter: panic
[ thread pid 898 tid 100247 ]
Stopped at kdb_enter+0x6e: movq $0,0x259e117(%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 0xfffffe0002bf1850
rdx 0
rbx 0xffffffff8280d7e0 .str.27
rsp 0xffffffff83d3e450 dblfault_stack+0xb90
rbp 0xffffffff83d3e470 dblfault_stack+0xbb0
rsi 0
rdi 0xffffffff81646699 printf+0x149
r8 0
r9 0xffffffff
r10 0x3381848020f0
r11 0xffffffff84e10000
r12 0xfffffe0054126780
r13 0
r14 0xffffffff8280d7e0 .str.27
r15 0
rip 0xffffffff8162fa7e kdb_enter+0x6e
rflags 0x46
kdb_enter+0x6e: movq $0,0x259e117(%rip)
db> show proc
Process 898 (syz-executor) at 0xfffffe005400cac0:
state: NORMAL
uid: 0 gid: 0 supp gids: 0, 5
parent: pid 766 at 0xfffffe000780a570
ABI: FreeBSD ELF64
flag: 0x10080480 flag2: 0x40000
arguments: ./syz-executor exec
reaper: 0xfffffe0007809010 reapsubtree: 1
sigparent: 20
vmspace: 0xfffffe0007810db0
(map 0xfffffe0007810db0)
(map.pmap 0xfffffe0007810e50)
(pmap 0xfffffe0007810ec0)
threads: 2
100092 s syz-executor
100247 Run CPU 0 syz-executor
db> ps
pid ppid pgrp uid state wmesg wchan cmd
934 764 764 0 R (threaded) syz-executor
100263 RunQ syz-executor
100371 Run CPU 1 syz-executor
100372 S uwait 0xfffffe0077e38600 syz-executor
932 1 764 -1 S uwait 0xfffffe0058517680 syz-executor
931 1 764 0 S uwait 0xfffffe00582d0480 syz-executor
930 929 765 0 S uwait 0xfffffe00582d2400 syz-executor
929 765 765 0 R (threaded) syz-executor
100336 RunQ syz-executor
100344 S kldbusy 0xffffffff83b5b800 syz-executor
100345 S uwait 0xfffffe006e501f00 syz-executor
100346 S uwait 0xfffffe00582d2a80 syz-executor
100347 S uwait 0xfffffe006e502b00 syz-executor
100348 S uwait 0xfffffe0077e38300 syz-executor
100349 S uwait 0xfffffe0077e38400 syz-executor
918 1 765 0 S uwait 0xfffffe0058518d00 syz-executor
915 1 764 0 S uwait 0xfffffe0058517880 syz-executor
910 1 765 0 S uwait 0xfffffe006e502100 syz-executor
907 1 764 0 S uwait 0xfffffe006e503500 syz-executor
906 1 764 0 S uwait 0xfffffe0058517200 syz-executor
898 766 766 0 T (threaded) syz-executor
100092 s syz-executor
100247 Run CPU 0 syz-executor
896 1 764 0 S uwait 0xfffffe0058517000 syz-executor
887 1 765 0 S uwait 0xfffffe006e503180 syz-executor
884 1 766 0 S uwait 0xfffffe00582cf980 syz-executor
881 1 881 0 Ts+ ttyin 0xfffffe0053f678b0 getty
880 1 880 0 Ts+ ttyin 0xfffffe0053f670b0 getty
879 1 879 0 Ts+ ttyin 0xfffffe0053f668b0 getty
878 1 878 0 Ts+ ttyin 0xfffffe0053f660b0 getty
877 1 877 0 Ts+ ttyin 0xfffffe00594b18b0 getty
876 1 876 0 Ts+ ttyin 0xfffffe00594b10b0 getty
875 1 875 0 Ts+ ttyin 0xfffffe00594b08b0 getty
874 1 874 0 Ts+ ttyin 0xfffffe00594b00b0 getty
873 1 873 0 Ts+ ttyin 0xfffffe00582b80b0 getty
867 1 765 0 S uwait 0xfffffe0058518900 syz-executor
862 1 861 0 S uwait 0xfffffe006e502e00 syz-executor
860 1 763 0 S uwait 0xfffffe0058517980 syz-executor
846 0 0 0 DL mdwait 0xfffffe0059bb9000 [md0]
845 1 766 0 S uwait 0xfffffe006e503280 syz-executor
841 1 766 0 S uwait 0xfffffe0058517580 syz-executor
839 0 0 0 DL (threaded) [KTLS]
100115 D - 0xfffffe0058593d00 [thr_0]
100160 D - 0xfffffe0058593d80 [thr_1]
100161 D - 0xffffffff83cd0628 [reclaim_0]
834 1 763 0 S uwait 0xfffffe006e502c00 syz-executor
828 1 763 0 S uwait 0xfffffe00582cfc80 syz-executor
827 0 0 0 DL (threaded) [so_splice]
100140 D - 0xfffffe0058518500 [thr_0]
100141 D - 0xfffffe0058518540 [thr_1]
822 803 822 0 Ss select 0xfffffe0059719340 dhclient
819 1 819 0 S uwait 0xfffffe00582d0100 syz-executor
817 0 0 0 DL aiordy 0xfffffe005410d000 [aiod4]
816 0 0 0 DL aiordy 0xfffffe005410eab8 [aiod3]
815 0 0 0 DL aiordy 0xfffffe005410f010 [aiod2]
814 0 0 0 DL aiordy 0xfffffe005410f568 [aiod1]
803 784 423 65 S select 0xfffffe006e02ccc0 dhclient
784 1 423 0 S wait 0xfffffe00540cb568 sh
766 762 766 0 S wait 0xfffffe000780a570 syz-executor
765 762 765 0 R syz-executor
764 762 764 0 R syz-executor
763 762 763 0 R syz-executor
762 760 760 0 S select 0xfffffe0058500740 syz-executor
760 758 760 0 Ss sigsusp 0xfffffe00540cc0c8 csh
758 681 758 0 Ss select 0xfffffe006e02ce40 sshd
736 1 17 0 S+ nanslp 0xffffffff83baec41 sleep
681 1 681 0 Ss select 0xfffffe006dc34740 sshd
16 0 0 0 DL syncer 0xffffffff83cdc820 [syncer]
15 0 0 0 DL vlruwt 0xfffffe0054002558 [vnlru]
14 0 0 0 DL (threaded) [bufdaemon]
100079 D psleep 0xffffffff83cdad60 [bufdaemon]
100082 D - 0xffffffff83001ec0 [bufspacedaemon-0]
100093 D sdflush 0xfffffe0059947ce8 [/ worker]
9 0 0 0 DL psleep 0xffffffff83d25cc0 [vmdaemon]
8 0 0 0 RL (threaded) [pagedaemon]
100077 RunQ [dom0]
100080 D launds 0xffffffff83d0bd94 [laundry: dom0]
100081 D umarcl 0xffffffff81e17140 [uma]
7 0 0 0 DL - 0xffffffff839275f8 [rand_harvestq]
6 0 0 0 DL pftm 0xffffffff847e8f20 [pf purge]
5 0 0 0 DL waiting 0xffffffff8460f700 [sctp_iterator]
4 0 0 0 DL (threaded) [cam]
100045 D - 0xffffffff838f1340 [doneq0]
100046 D - 0xffffffff838f12c0 [async]
100075 D - 0xffffffff838f1140 [scanner]
3 0 0 0 DL (threaded) [crypto]
100042 D crypto_ 0xffffffff83d07660 [crypto]
100043 D crypto_ 0xfffffe0057d60030 [crypto returns 0]
100044 D crypto_ 0xfffffe0057d60080 [crypto returns 1]
13 0 0 0 DL (threaded) [geom]
100037 D - 0xffffffff83b57640 [g_event]
100038 D - 0xffffffff83b57660 [g_up]
100039 D - 0xffffffff83b57680 [g_down]
2 0 0 0 WL (threaded) [clock]
100031 I [clock (0)]
100032 I [clock (1)]
12 0 0 0 RL (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 RunQ [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 0xfffffe0007809010 [init]
10 0 0 0 DL audit_w 0xffffffff83d08100 [audit]
0 0 0 0 DLs (threaded) [kernel]
100000 D parked 0xffffffff84c55ff0 [swapper]
100005 D - 0xfffffe0053ebf100 [softirq_0]
100006 D - 0xfffffe0053ebf000 [softirq_1]
100007 D - 0xfffffe0053ebee00 [if_io_tqg_0]
100008 D - 0xfffffe0053ebed00 [if_io_tqg_1]
100009 D - 0xfffffe0053ebec00 [if_config_tqg_0]
100010 D - 0xfffffe00077dc700 [kqueue_ctx taskq]
100011 D - 0xfffffe00077dc600 [jail_remove taskq]
100012 D - 0xfffffe00077dc500 [bus taskq]
100015 D - 0xfffffe00077dc000 [thread taskq]
100017 D - 0xfffffe00077dbc00 [aiod_kick taskq]
100018 D - 0xfffffe00077dbb00 [deferred_unmount ta]
100019 D - 0xfffffe00077dba00 [inm_free taskq]
100020 D - 0xfffffe00077db900 [in6m_free taskq]
100021 D - 0xfffffe00077db800 [linuxkpi_irq_wq]
100022 D - 0xfffffe00077db700 [linuxkpi_short_wq_0]
100023 D - 0xfffffe00077db700 [linuxkpi_short_wq_1]
100024 D - 0xfffffe00077db700 [linuxkpi_short_wq_2]
100025 D - 0xfffffe00077db700 [linuxkpi_short_wq_3]
100026 D - 0xfffffe00077db600 [linuxkpi_long_wq_0]
100027 D - 0xfffffe00077db600 [linuxkpi_long_wq_1]
100028 D - 0xfffffe00077db600 [linuxkpi_long_wq_2]
100029 D - 0xfffffe00077db600 [linuxkpi_long_wq_3]
100036 D - 0xfffffe00077db100 [firmware taskq]
100040 D - 0xfffffe00083ff600 [crypto_0]
100041 D - 0xfffffe00083ff600 [crypto_1]
100056 D - 0xfffffe0057e08e00 [vtnet0 rxq 0]
100057 D - 0xfffffe0057e08d00 [vtnet0 txq 0]
100058 D - 0xfffffe0057e08c00 [vtnet0 rxq 1]
100059 D - 0xfffffe0057e08b00 [vtnet0 txq 1]
100061 D vtbslp 0xfffffe0057d73d80 [virtio_balloon]
100065 D - 0xffffffff82811ec0 [deadlkres]
100069 D - 0xfffffe00083ff200 [acpi_task_0]
100070 D - 0xfffffe00083ff200 [acpi_task_1]
100071 D - 0xfffffe00083ff200 [acpi_task_2]
100073 D - 0xfffffe00077de100 [mca taskq]
100074 D - 0xfffffe00083ff000 [CAM taskq]
100076 D - 0xfffffe0057e08400 [ipsec_offload]
100270 D - 0xfffffe00596e5c00 [system_taskq_0]
100271 D - 0xfffffe00596e5c00 [system_taskq_1]
100272 D - 0xfffffe00596e5900 [system_delay_taskq_]
100273 D - 0xfffffe00596e5900 [system_delay_taskq_]
100274 D - 0xfffffe00596e6700 [zvol_tq-0_0]
100275 D - 0xfffffe00596e6700 [zvol_tq-0_1]
100276 D - 0xfffffe00596e6700 [zvol_tq-0_2]
100277 D - 0xfffffe00596e6700 [zvol_tq-0_3]
100278 D - 0xfffffe00596e6700 [zvol_tq-0_4]
100279 D - 0xfffffe00596e6700 [zvol_tq-0_5]
100280 D - 0xfffffe00596e6700 [zvol_tq-0_6]
100281 D - 0xfffffe00596e6700 [zvol_tq-0_7]
100282 D - 0xfffffe00596e6700 [zvol_tq-0_8]
100283 D - 0xfffffe00596e6700 [zvol_tq-0_9]
100284 D - 0xfffffe00596e6700 [zvol_tq-0_10]
100285 D - 0xfffffe00596e6700 [zvol_tq-0_11]
100286 D - 0xfffffe00596e6700 [zvol_tq-0_12]
100287 D - 0xfffffe00596e6700 [zvol_tq-0_13]
100288 D - 0xfffffe00596e6700 [zvol_tq-0_14]
100289 D - 0xfffffe00596e6700 [zvol_tq-0_15]
100290 D - 0xfffffe00596e6700 [zvol_tq-0_16]
100291 D - 0xfffffe00596e6700 [zvol_tq-0_17]
100292 D - 0xfffffe00596e6700 [zvol_tq-0_18]
100293 D - 0xfffffe00596e6700 [zvol_tq-0_19]
100294 D - 0xfffffe00596e6700 [zvol_tq-0_20]
100295 D - 0xfffffe00596e6700 [zvol_tq-0_21]
100296 D - 0xfffffe00596e6700 [zvol_tq-0_22]
100297 D - 0xfffffe00596e6700 [zvol_tq-0_23]
100298 D - 0xfffffe00596e6700 [zvol_tq-0_24]
100299 D - 0xfffffe00596e6700 [zvol_tq-0_25]
100300 D - 0xfffffe00596e6700 [zvol_tq-0_26]
100301 D - 0xfffffe00596e6700 [zvol_tq-0_27]
100302 D - 0xfffffe00596e6700 [zvol_tq-0_28]
100303 D - 0xfffffe00596e6700 [zvol_tq-0_29]
100304 D - 0xfffffe00596e6700 [zvol_tq-0_30]
100305 D - 0xfffffe00596e6700 [zvol_tq-0_31]
100306 D - 0xfffffe00596e5b00 [arc_prune]
100307 D - 0xfffffe00596e5d00 [arc_flush_0]
100308 D - 0xfffffe00596e5d00 [arc_flush_1]
100334 D - 0xfffffe00596e7900 [dbu_evict]
100350 D - 0xfffffe00596e5800 [z_vdev_file_0]
100351 D - 0xfffffe00596e5800 [z_vdev_file_1]
100352 D - 0xfffffe00596e5800 [z_vdev_file_2]
100353 D - 0xfffffe00596e5800 [z_vdev_file_3]
100354 D - 0xfffffe00596e5800 [z_vdev_file_4]
100355 D - 0xfffffe00596e5800 [z_vdev_file_5]
100356 D - 0xfffffe00596e5800 [z_vdev_file_6]
100357 D - 0xfffffe00596e5800 [z_vdev_file_7]
100358 D - 0xfffffe00596e5800 [z_vdev_file_8]
100359 D - 0xfffffe00596e5800 [z_vdev_file_9]
100360 D - 0xfffffe00596e5800 [z_vdev_file_10]
100361 D - 0xfffffe00596e5800 [z_vdev_file_11]
100362 D - 0xfffffe00596e5800 [z_vdev_file_12]
100363 D - 0xfffffe00596e5800 [z_vdev_file_13]
100364 D - 0xfffffe00596e5800 [z_vdev_file_14]
100365 D - 0xfffffe00596e5800 [z_vdev_file_15]
db> show all locks
Process 934 (syz-executor) thread 0xfffffe005415a780 (100371)
exclusive sleep mutex vtscsi0 (VTSCSI Lock) r = 0 (0xfffffe00083e4808) locked @ /syzkaller/managers/main/kernel/sys/cam/cam_xpt.c:3382
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe007768b750) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_subr.c:3395
Process 898 (syz-executor) thread 0xfffffe0054126780 (100247)
exclusive sleep mutex Giant (Giant) r = 1 (0xffffffff83001940) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_linker.c:232
Process 763 (syz-executor) thread 0xfffffe00540a6000 (100113)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007cf7f28) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:4022
shared lockmgr ufs (ufs) r = 0 (0xfffffe006e4c8ac0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_syscalls.c:4333
db> show malloc
Type InUse MemUse Requests
pf_hash 6 12804K 6
linker 409 11930K 541
tcp_hpts 7 4801K 7
devbuf 4188 4324K 4214
solaris 101 2905K 183
sysctloid 44120 2593K 44224
vtbuf 24 1968K 46
kobj 331 1324K 504
newblk 29 1031K 1266
vfscache 3 1025K 3
pcb 28 671K 132
inodedep 18 519K 289
ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
intr 4 472K 4
filedesc 51 405K 267
subproc 156 302K 1025
vnet_data 2 224K 2
acpitask 1 224K 1
KTRACE 101 201K 18402
acpica 1674 184K 54444
vmem 5 144K 6
tidhash 3 141K 3
pagedep 13 131K 123
tfo_ccache 1 128K 1
IP reass 1 128K 1
DEVFS1 107 107K 124
sem 4 106K 4
gtaskqueue 18 98K 18
LRO 22 85K 22
bus 1000 82K 5086
mtx_pool 3 74K 3
syncache 1 68K 1
NFSD srvcache 3 68K 3
module 527 66K 527
ddb_capture 1 64K 1
kdtrace 279 58K 1308
umtx 432 54K 432
shm 2 34K 3
hostcache 1 32K 1
DEVFS3 127 32K 137
msg 4 30K 4
kbdmux 6 28K 6
temp 35 22K 1914
DEVFS_RULE 56 20K 56
ifaddr 67 19K 70
BPF 14 19K 37
ufs_mount 4 17K 5
proc 3 17K 3
tty 16 16K 16
routetbl 130 16K 410
kstat_data 15 15K 15
ithread 90 15K 90
bus-sc 34 15K 1657
eventhandler 164 14K 164
lltable 43 14K 43
ifnet 7 13K 7
ether_multi 152 13K 165
kenv 95 12K 95
GEOM 54 12K 475
cred 27 11K 223
CAM queue 5 11K 1528
rman 82 10K 437
taskqueue 90 10K 99
rpc 8 9K 8
in6_multi 65 9K 66
bmsafemap 2 9K 230
devstat 4 9K 4
UART 12 9K 12
ksem 1 8K 1
shmfd 1 8K 3
pfs_vncache 1 8K 1
audit_evclass 240 8K 306
plimit 20 8K 478
mount 43 7K 237
sglist 6 7K 6
UMA 334 7K 334
CAM DEV 3 6K 510
pfs_nodes 22 6K 22
ufs_dirhash 24 5K 30
pf_ifnet 11 5K 20
kqueue 69 5K 1050
pwddesc 67 5K 949
vt 11 5K 11
md_disk 2 5K 3
memdesc 1 4K 1
MCA 32 4K 32
md_sectors 1 4K 1
evdev 4 4K 4
acpisem 28 4K 28
DEVFSP 49 4K 79
terminal 11 3K 11
uidinfo 5 3K 14
acpidev 20 3K 20
hhook 8 3K 10
proc-args 82 3K 1994
clone 9 3K 9
kcovinfo 36 3K 36
netlink 2 3K 72
session 17 3K 48
pf_rule 1 2K 1
local_apic 1 2K 1
io_apic 1 2K 1
ipsec-saq 2 2K 2
selfd 32 2K 99427
ip6ndp 12 2K 13
osd 75 2K 151
lockf 16 2K 57
CC Mem 14 2K 75
sctp_ifa 13 2K 14
Unitno 26 2K 58
CAM XPT 22 2K 543
in_multi 6 2K 8
tun 4 2K 4
toponodes 6 2K 6
ipsecpolicy 2 2K 2
mkdir 10 2K 216
crypto 6 2K 27
msi 9 2K 9
softdep 1 1K 1
diradd 8 1K 219
sahead 1 1K 1
secasvar 1 1K 1
nhops 6 1K 8
vnodemarker 2 1K 22
NFSD session 1 1K 1
newdirblk 7 1K 109
CAM periph 4 1K 271
ipsec 3 1K 3
sctp_ifn 6 1K 14
mld 6 1K 6
igmp 6 1K 6
pfil 6 1K 6
isadev 6 1K 6
pci_link 10 1K 10
inpcbpolicy 20 1K 261
encap_export_host 12 1K 12
select 5 1K 42
cryptodev 10 1K 80
dirrem 2 1K 199
cdev 2 1K 2
lkpikmalloc 8 1K 9
counter_rate 13 1K 13
sctp_atcl 1 1K 18
freefile 3 1K 151
chacha20random 1 1K 1
biobuf 1 1K 1
DEVFS 10 1K 11
sctp_timw 1 1K 1
indirdep 1 1K 126
ip6_msource 4 1K 4
vnodes 1 1K 2
ktls 1 1K 8
NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
CAM SIM 2 1K 2
prison 8 1K 8
feeder 7 1K 7
taskq 2 1K 2
tcpfunc 3 1K 3
loginclass 3 1K 5
nexusdev 8 1K 8
apmdev 1 1K 1
atkbddev 2 1K 2
ip_msource 2 1K 2
in_mfilter 3 1K 3
aio 4 1K 4
pmchooks 1 1K 1
CAM path 4 1K 1034
CAM dev queue 2 1K 2
CAM I/O Scheduler 1 1K 1
filecaps 4 1K 72
sctp_vrf 1 1K 1
freework 1 1K 211
ip_moptions 1 1K 2
vnet 1 1K 1
pmc 1 1K 1
entropy 2 1K 33
acpiintr 1 1K 1
DEVFS4 2 1K 2
sctp_atky 1 1K 21
cpus 2 1K 2
vnet_data_free 1 1K 1
Per-cpu 1 1K 1
pf 1 1K 1
sctp_athm 1 1K 19
p1003.1b 1 1K 1
sfs_nodes 0 0K 0
zones_data 0 0K 0
ipcomp 0 0K 0
esp 0 0K 0
ah 0 0K 0
pf_table 0 0K 0
pf_altq 0 0K 0
pf_osfp 0 0K 0
pf_krule_item 0 0K 0
pf_temp 0 0K 0
sctp_mcore 0 0K 0
sctp_socko 0 0K 3
sctp_iter 0 0K 11
sctp_mvrf 0 0K 0
sctp_cpal 0 0K 0
sctp_cmsg 0 0K 0
sctp_stre 0 0K 0
sctp_athi 0 0K 0
sctp_a_it 0 0K 11
sctp_aadr 0 0K 0
sctp_stro 0 0K 2
sctp_stri 0 0K 2
sctp_map 0 0K 4
mqdata 0 0K 0
filemon 0 0K 3
tcp_pcm_rack 0 0K 0
tcp_do_rack 0 0K 0
tcp_fsb_rack 0 0K 0
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 179
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 10
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
freeblks 0 0K 124
freefrag 0 0K 102
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
ktls_ocf 0 0K 1
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
ip6opt 0 0K 13
ip6_moptions 0 0K 2
in6_mfilter 0 0K 6
frag6 0 0K 3
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 20
fadvise 0 0K 1
VN POLL 0 0K 7
statfs 0 0K 182
namei_tracker 0 0K 8
inotify 0 0K 17
export_host 0 0K 0
cl_savebuf 0 0K 48
lio 0 0K 4
acl 0 0K 0
soname 0 0K 3507
mbuf_tag 0 0K 0
accf 0 0K 0
pts 0 0K 0
timerfd 0 0K 0
procdesc 0 0K 8
iov 0 0K 14140
ioctlops 0 0K 109
eventfd 0 0K 3
Witness 0 0K 0
stack 0 0K 0
sbuf 0 0K 202
firmware 0 0K 0
compressor 0 0K 0
SWAP 0 0K 0
sysctltmp 0 0K 667
sysctl 0 0K 3
ekcd 0 0K 0
dumper 0 0K 0
sendfile 0 0K 3
rctl 0 0K 0
cache 0 0K 0
jaildesc 0 0K 0
prison_racct 0 0K 0
Fail Points 0 0K 0
sigio 0 0K 2
filedesc_to_leader 0 0K 0
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 78
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
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
ufshci 0 0K 0
twsbuf 0 0K 0
tcp_log_dev 0 0K 3
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 175
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 8320 1078 18997 0 254 38494208 0
mbuf 256 8625 1037 22044 0 254 2473472 0
malloc-128 128 14414 94 14744 0 126 1857024 0
BUF TRIE 152 342 11462 1060 0 62 1794208 0
malloc-384 384 4131 69 4410 0 30 1612800 0
malloc-4096 4096 333 5 515 0 2 1384448 0
UMA Slabs 0 112 11029 17 11029 0 126 1237152 0
RADIX NODE 152 7758 323 31659 0 62 1228312 0
tcp_log 416 1860 939 5121 0 254 1164384 0
mbuf_cluster 2048 508 0 508 0 254 1040384 0
malloc-64 64 247 15755 111886 0 254 1024128 0
vmem btag 56 17025 78 17025 0 254 957768 0
malloc-65536 65536 10 1 13 0 1 720896 0
FFS inode 1168 548 26 701 0 8 670432 0
sctp_ep 1152 1 510 15 0 254 588672 0
sctp_asoc 2256 0 255 2 0 254 575280 0
socket 1024 30 478 1546 0 254 520192 0
lkpicurr 168 2 3094 2 0 62 520128 0
malloc-16384 16384 26 3 131 0 1 475136 0
malloc-65536 65536 6 1 7 0 1 458752 0
256 Bucket 2048 203 13 1289 0 8 442368 0
pbuf 2624 0 162 0 0 2 425088 0
THREAD 1860 211 5 372 0 8 401760 0
malloc-4096 4096 78 4 955 0 2 335872 0
malloc-64 64 4716 387 4771 0 254 326592 0
VM OBJECT 248 1190 122 14752 0 62 325376 0
malloc-16 16 18088 412 18326 0 254 296000 0
VNODE 440 587 79 743 0 30 293040 0
zio_buf_comb_262144 262144 1 0 12 0 1 262144 0
malloc-32 32 7063 371 7353 0 254 237888 0
UMA Zones 768 306 3 306 0 16 237312 0
malloc-32768 32768 2 5 102 0 1 229376 0
malloc-2048 2048 105 7 187 0 8 229376 0
DEVCTL 1024 23 197 150 0 0 225280 0
sctp_raddr 736 0 264 2 0 254 194304 0
malloc-256 256 251 499 1619 0 62 192000 0
FPU_save_area 832 213 12 469 0 16 187200 0
malloc-128 128 1185 210 25368 0 126 178560 0
lkpimm 56 1 3095 1 0 254 173376 0
MAP ENTRY 96 1548 216 46844 0 126 169344 0
unpcb 320 7 509 1202 0 254 165120 0
malloc-128 128 1165 106 5542 0 126 162688 0
FFS2 dinode 256 548 82 701 0 62 161280 0
malloc-1024 1024 134 10 151 0 16 147456 0
S VFS Cache 104 1010 394 1199 0 126 146016 0
zio_buf_comb_131072 131072 0 1 1 0 1 131072 0
malloc-65536 65536 0 2 63 0 1 131072 0
malloc-65536 65536 2 0 2 0 1 131072 0
malloc-65536 65536 0 2 110 0 1 131072 0
malloc-65536 65536 0 2 8 0 1 131072 0
malloc-32768 32768 2 2 7 0 1 131072 0
mbuf_packet 256 5 503 292 0 254 130048 0
PROC 1368 66 22 934 0 8 120384 0
ksiginfo 112 67 977 163 0 126 116928 0
malloc-2048 2048 7 49 514 0 8 114688 0
UMA Kegs 384 292 1 292 0 30 112512 0
malloc-32768 32768 3 0 3 0 1 98304 0
malloc-8192 8192 12 0 15 0 1 98304 0
syncache 176 0 529 4 0 254 93104 0
malloc-384 384 194 46 403 0 30 92160 0
filedesc0 1072 67 17 949 0 8 90048 0
vnpbuf 2624 0 32 2 0 16 83968 0
malloc-256 256 246 69 932 0 62 80640 0
g_bio 408 4 176 7539 0 30 73440 0
128 Bucket 1024 47 20 276 0 16 68608 0
malloc-64 64 513 558 981 0 254 68544 0
malloc-64 64 581 490 2505 0 254 68544 0
malloc-128 128 364 163 831 0 126 67456 0
malloc-65536 65536 0 1 1 0 1 65536 0
malloc-32768 32768 2 0 2 0 1 65536 0
malloc-32768 32768 0 2 120 0 1 65536 0
malloc-4096 4096 15 1 28 0 2 65536 0
malloc-2048 2048 14 18 45 0 8 65536 0
64 Bucket 512 89 39 2085 0 30 65536 0
32 Bucket 256 81 174 423 0 62 65280 0
sctp_stream_msg_out 112 0 540 2 0 254 60480 0
malloc-4096 4096 6 8 18 0 2 57344 0
tcp_inpcb 1304 15 27 74 0 8 54768 0
malloc-128 128 62 341 318 0 126 51584 0
malloc-256 256 112 83 607 0 62 49920 0
malloc-256 256 64 131 464 0 62 49920 0
zio_data_buf_16384 16384 0 3 9 0 1 49152 0
DIRHASH 1024 34 14 39 0 16 49152 0
NAMEI 1024 1 47 13725 0 16 49152 0
malloc-16384 16384 3 0 3 0 1 49152 0
malloc-8192 8192 3 3 44 0 1 49152 0
malloc-2048 2048 0 24 573 0 8 49152 0
malloc-1024 1024 6 42 1593 0 16 49152 0
pcpu-64 64 506 262 506 0 254 49152 0
pcpu-8 8 5217 415 5443 0 254 45056 0
clpbuf 2624 0 16 88 0 4 41984 0
VMSPACE 584 44 26 911 0 16 40880 0
sctp_readq 152 0 260 1 0 254 39520 0
sctp_chunk 152 0 260 2 0 254 39520 0
da_ccb 544 1 69 2016 0 16 38080 0
udp_inpcb 408 4 86 162 0 30 36720 0
hostcache 64 2 565 2 0 254 36288 0
malloc-64 64 62 505 217 0 254 36288 0
malloc-64 64 14 553 13815 0 254 36288 0
malloc-64 64 293 274 354 0 254 36288 0
malloc-64 64 172 395 207 0 254 36288 0
malloc-128 128 35 244 194 0 126 35712 0
malloc-128 128 32 247 64 0 126 35712 0
malloc-128 128 35 244 408 0 126 35712 0
ktls_session 256 0 135 2 0 62 34560 0
routing nhops 256 27 108 34 0 62 34560 0
ttyoutq 256 72 63 304 0 62 34560 0
malloc-256 256 11 124 190 0 62 34560 0
malloc-256 256 22 113 349 0 62 34560 0
malloc-256 256 31 104 163 0 62 34560 0
malloc-256 256 14 121 1139 0 62 34560 0
TURNSTILE 136 217 35 217 0 62 34272 0
zio_buf_16384 16384 0 2 10 0 1 32768 0
malloc-32768 32768 0 1 11 0 1 32768 0
malloc-16384 16384 0 2 190 0 1 32768 0
malloc-16384 16384 2 0 4 0 1 32768 0
malloc-8192 8192 3 1 23 0 1 32768 0
malloc-8192 8192 2 2 83 0 1 32768 0
malloc-4096 4096 5 3 27 0 2 32768 0
malloc-4096 4096 2 6 49 0 2 32768 0
malloc-2048 2048 10 6 10 0 8 32768 0
malloc-2048 2048 13 3 45 0 8 32768 0
malloc-2048 2048 4 12 195 0 8 32768 0
malloc-1024 1024 4 28 20 0 16 32768 0
malloc-1024 1024 12 20 15 0 16 32768 0
malloc-1024 1024 3 29 3 0 16 32768 0
malloc-1024 1024 18
---
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.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
Reply all
Reply to author
Forward
0 new messages