panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*264765  47316      0           0  0x4000000    1  syz-executor.7
 238764  10248      0     0x14000 0x40000200    0  softclock
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff825a4184) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82a6f1a0,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd80703fd8b0) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd80703fd8b0) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd80703fd798) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff80002e41ecf8,ffff80002e41ed04,85,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224
ip_deliver(ffff80002e41ecf8,ffff80002e41ed04,85,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff80002e41ecf8,ffff80002e41ed04,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd8068800900) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd8068800900,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd80730a8a00,ffff800000de3700,fffffd806f6767c8,0,0,fffffd806f676750) at ip6_output+0xf57
rip6_output(fffffd80730a8a00,fffffd80703fd5b8,ffff80002e41f060,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
rip6_usrreq(fffffd80703fd5b8,9,fffffd80730a8a00,0,0,ffff80002d5367f0) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
end trace frame: 0xffff80002e41f1e0, count: 0
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