   jVµ¿>u3        MÕpl…°'ž„3¬ƒN4Í)r›ÏIõ‘mt’   jVµ¿>u3        MÕpl…°'ž„3¬ƒN4Í)r›ÏIõ‘mt’panic: timeout_add: to_ticks (-1618872945) < 0
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 278557  50976      0           0          0    0  syz-executor.1
*374213  50976      0           0  0x4000000    1K syz-executor.1
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:399
panic() at panic+0x174 sys/kern/subr_prf.c:208
timeout_add(ffff80000066d060,9f81f58f) at timeout_add+0x194 sys/kern/kern_timeout.c:190
pcppi_bell(ffff80000066d000,24d1e287,9f81f58f,1) at pcppi_bell+0x2a0 sys/dev/isa/pcppi.c:234
spkrioctl(1b00,20005302,ffff800020c1da80,2,ffff800020b24bc0) at spkrioctl+0x230 tone sys/dev/isa/spkr.c:89 [inline]
spkrioctl(1b00,20005302,ffff800020c1da80,2,ffff800020b24bc0) at spkrioctl+0x230 sys/dev/isa/spkr.c:503
VOP_IOCTL(fffffd8071136148,20005302,ffff800020c1da80,2,fffffd807f7c7b40,ffff800020b24bc0) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:290
vn_ioctl(fffffd806922a310,20005302,ffff800020c1da80,ffff800020b24bc0) at vn_ioctl+0xc9 sys/kern/vfs_vnops.c:512
sys_ioctl(ffff800020b24bc0,ffff800020c1dbc8,ffff800020c1dbb0) at sys_ioctl+0x646
syscall(ffff800020c1dc60) at syscall+0x5ac mi_syscall sys/sys/syscall_mi.h:99 [inline]
syscall(ffff800020c1dc60) at syscall+0x5ac sys/arch/amd64/amd64/trap.c:574
Xsyscall(6,0,ffffffffffffff88,0,3,a22d6a14010) at Xsyscall+0x128
end of kernel
end trace frame: 0xa25532d7fb0, count: 5
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