Then I see various kind of mbuf corruption:
kernel: protection fault trap, code=0
Stopped at pool_do_put+0xc9: movq 0x8(%rcx),%rcx
ddb> trace
pool_do_put(ffffffff82519e30,fffffd807db89000) at pool_do_put+0xc9
pool_put(ffffffff82519e30,fffffd807db89000) at pool_put+0x53
m_extfree(fffffd807d330300) at m_extfree+0xa5
m_free(fffffd807d330300) at m_free+0x97
soreceive(fffffd806f33ac88,0,ffff80002a3e97f8,0,0,ffff80002a3e9724,76299c799030
1bf1) at soreceive+0xa3e
soo_read(fffffd807ed4a168,ffff80002a3e97f8,0) at soo_read+0x4a
dofilereadv(ffff80002a399548,7,ffff80002a3e97f8,0,ffff80002a3e98c0) at dofilere
adv+0x143
sys_read(ffff80002a399548,ffff80002a3e9870,ffff80002a3e98c0) at sys_read+0x55
syscall(ffff80002a3e9930) at syscall+0x33a
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7469f8836930, count: -10
pool_do_put(ffffffff8259a500,fffffd807e7fa800) at pool_do_put+0xc9
pool_put(ffffffff8259a500,fffffd807e7fa800) at pool_put+0x53
m_extfree(fffffd807f838a00) at m_extfree+0xa5
m_free(fffffd807f838a00) at m_free+0x97
m_freem(fffffd807f838a00) at m_freem+0x38
vio_txeof(ffff800000030118) at vio_txeof+0x11d
vio_tx_intr(ffff800000030118) at vio_tx_intr+0x31
virtio_check_vqs(ffff800000024800) at virtio_check_vqs+0x102
virtio_pci_legacy_intr(ffff800000024800) at virtio_pci_legacy_intr+0x65
intr_handler(ffff80002a52dae0,ffff800000081000) at intr_handler+0x3c
Xintr_legacy5_untramp() at Xintr_legacy5_untramp+0x1a3
Xspllower() at Xspllower+0x1d
vio_ioctl(ffff8000000822a8,80206910,ffff80002a52dd00) at vio_ioctl+0x16a
ifioctl(fffffd807c0ba7a0,80206910,ffff80002a52dd00,ffff80002a41c810) at ifioctl
+0x721
sys_ioctl(ffff80002a41c810,ffff80002a52de00,ffff80002a52de50) at sys_ioctl+0x2a
b
syscall(ffff80002a52dec0) at syscall+0x33a
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b3d36d55eb0, count: -17
panic: pool_do_get: mcl2k free list modified: page 0xfffffd80068bd000; item add
r 0xfffffd80068bf800; offset 0x0=0xa0000 != 0x83dcdb591c6b8bf
Stopped at db_enter+0x14: popq %rbp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*143851 19121 0 0x3 0 0 ifconfig
db_enter() at db_enter+0x14
panic(ffffffff8206e651) at panic+0xb5
pool_do_get(ffffffff824a1b30,2,ffff80002a4a55d4) at pool_do_get+0x320
pool_get(ffffffff824a1b30,2) at pool_get+0x7d
m_clget(fffffd807c4e4f00,2,800) at m_clget+0x18d
rtm_msg1(e,ffff80002a4a56f0) at rtm_msg1+0xde
rtm_ifchg(ffff8000000822a8) at rtm_ifchg+0x65
if_down(ffff8000000822a8) at if_down+0xa4
ifioctl(fffffd8006898978,80206910,ffff80002a4a58c0,ffff80002a474ff0) at ifioctl
+0xcd5
sys_ioctl(ffff80002a474ff0,ffff80002a4a59c0,ffff80002a4a5a10) at sys_ioctl+0x2a
b
syscall(ffff80002a4a5a80) at syscall+0x33a
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f6c22492130, count: 3
OpenBSD 7.4-current (GENERIC) #3213: Mon Jan 8 22:05:58 CET 2024
[email protected]:/home/bluhm/openbsd/cvs/src/sys/arch/amd64/compile/GENERIC*master
real mem = 2130706432 (2032MB)
avail mem = 2046525440 (1951MB)
random: boothowto does not indicate good seed
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0
acpi at bios0 not configured
cpu0 at mainbus0: (uniprocessor)
cpu0: Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz, 2893.78 MHz, 06-3a-09
cpu0:
FPU,VME,DE,PSE,TSC,MSR,PAE,CX8,SEP,PGE,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,CX16,SSE4.1,SSE4.2,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,LONG,LAHF,ITSC,FSGSBASE,SMEP,ERMS,MD_CLEAR,MELTDOWN
cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB 64b/line
8-way L2 cache, 4MB 64b/line 16-way L3 cache
cpu0: smt 0, core 0, package 0
cpu0: using VERW MDS workaround
pvbus0 at mainbus0: OpenBSD
pvclock0 at pvbus0
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "OpenBSD VMM Host" rev 0x00
virtio0 at pci0 dev 1 function 0 "Qumranet Virtio RNG" rev 0x00
viornd0 at virtio0
virtio0: irq 3
virtio1 at pci0 dev 2 function 0 "Qumranet Virtio Network" rev 0x00
vio0 at virtio1: address 70:5f:ca:21:8d:74
virtio1: irq 5
virtio2 at pci0 dev 3 function 0 "Qumranet Virtio Network" rev 0x00
vio1 at virtio2: address 70:5f:ca:21:8d:84
virtio2: irq 6
virtio3 at pci0 dev 4 function 0 "Qumranet Virtio Network" rev 0x00
vio2 at virtio3: address 70:5f:ca:21:8d:94
virtio3: irq 7
virtio4 at pci0 dev 5 function 0 "Qumranet Virtio Storage" rev 0x00
vioblk0 at virtio4
scsibus1 at vioblk0: 1 targets
sd0 at scsibus1 targ 0 lun 0: <VirtIO, Block Device, >
sd0: 10240MB, 512 bytes/sector, 20971520 sectors
virtio4: irq 9
virtio5 at pci0 dev 6 function 0 "Qumranet Virtio SCSI" rev 0x00
vioscsi0 at virtio5: qsize 128
scsibus2 at vioscsi0: 1 targets
cd0 at scsibus2 targ 0 lun 0: <OpenBSD, VMM CD-ROM, 001> removable
virtio5: irq 10
virtio6 at pci0 dev 7 function 0 "OpenBSD VMM Control" rev 0x00
vmmci0 at virtio6
virtio6: irq 11
isa0 at mainbus0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns8250, no fifo
com0: console
vscsi0 at root
scsibus3 at vscsi0: 256 targets
softraid0 at root
scsibus4 at softraid0: 256 targets
root on sd0a (16c451c199802b57.a) swap on sd0b dump on sd0b