panic: malformed IPv4 option passed to ip_optcopy
Stopped at      db_enter+0xa:   popq    %rbp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 362575  33576      0           0          0    0  syz-executor1
*455661  33576      0           0  0x4000000    1K syz-executor1
db_enter() at db_enter+0xa sys/arch/amd64/amd64/db_interface.c:399
panic() at panic+0x147 sys/kern/subr_prf.c:208
ip_fragment(ffffff007b90c07c,ffff800000173290,ffffff007df65000) at ip_fragment+0x5f4
ip_output(ffffff006f2d9578,ffffff007df65000,ffffff007b90c07c,22,11ba,1c9742c68d1655c3) at ip_output+0xc6c sys/netinet/ip_output.c:501
rip_output(0,9,ffffff0061716648,0) at rip_output+0x187 sys/netinet/raw_ip.c:293
rip_usrreq(e46,ffffff0061716648,0,ffffff007df65000,0,1c9742c68d1655c3) at rip_usrreq+0x3ed sys/netinet/raw_ip.c:472
sosend(ffffff007b4fbcc0,ffff800021193908,11ba,ffff800021193a30,0,1c9742c68d1655c3) at sosend+0x46a sys/kern/uipc_socket.c:513
dofilewritev(0,3,ffff8000210a3788,ffff800021193a30,ffff800021193a48) at dofilewritev+0x13e sys/kern/sys_generic.c:364
sys_writev(790,ffff8000210a3788,0) at sys_writev+0xce sys/kern/sys_generic.c:310
syscall(0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:99 [inline]
syscall(0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:583
Xsyscall(6,0,d,0,3,e6617461010) at Xsyscall+0x128
end of kernel
end trace frame: 0xe68509abfb0, count: 4
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