syzkaller login: [ 341.839494][ T10] ------------[ cut here ]------------ [ 341.848120][ T10] WARNING: CPU: 0 PID: 10 at kernel/sched/deadline.c:1995 enqueue_dl_entity+0x478/0x58c [ 341.851044][ T10] Modules linked in: [ 341.853194][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted 6.12.0-syzkaller-07749-g28eb75e178d3 #0 [ 341.854571][ T10] Hardware name: linux,dummy-virt (DT) [ 341.855948][ T10] Workqueue: 0x0 (events) [ 341.857904][ T10] pstate: a14000c9 (NzCv daIF +PAN -UAO -TCO +DIT -SSBS BTYPE=--) [ 341.858929][ T10] pc : enqueue_dl_entity+0x478/0x58c [ 341.859609][ T10] lr : dl_server_start+0x44/0x12c [ 341.860385][ T10] sp : ffff800082b33a10 [ 341.860955][ T10] x29: ffff800082b33a10 x28: fdf0000004e5dc00 x27: 0000000000000000 [ 341.862355][ T10] x26: 0000000000000001 x25: 0000000000000000 x24: 0000000000000048 [ 341.863653][ T10] x23: fff000007f8d7600 x22: 0000000000000001 x21: 000000000016e360 [ 341.865152][ T10] x20: 0000000000000001 x19: fff000007f8d7f68 x18: 0000000000000000 [ 341.866511][ T10] x17: 0000000000000004 x16: 0000000000000002 x15: 0000000000000000 [ 341.867763][ T10] x14: 0000000000000142 x13: 00000000000003db x12: 0000000000000001 [ 341.868901][ T10] x11: fff000007f8d7680 x10: 0000000000000284 x9 : 0000000000000048 [ 341.870145][ T10] x8 : 0000000000100000 x7 : 0000000000000000 x6 : fdf0000004e5dbc0 [ 341.871369][ T10] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 [ 341.872516][ T10] x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000001 [ 341.873846][ T10] Call trace: [ 341.874642][ T10] enqueue_dl_entity+0x478/0x58c (P) [ 341.875614][ T10] dl_server_start+0x44/0x12c (L) [ 341.876783][ T10] dl_server_start+0x44/0x12c [ 341.877635][ T10] enqueue_task_fair+0x11c/0x3a4 [ 341.878520][ T10] enqueue_task+0x3c/0xe4 [ 341.879142][ T10] activate_task+0x68/0x80 [ 341.879815][ T10] attach_task+0x4c/0x74 [ 341.880558][ T10] sched_balance_rq+0x580/0xc74 [ 341.881265][ T10] sched_balance_newidle.constprop.0+0x1b0/0x3e4 [ 341.882119][ T10] pick_next_task_fair+0x50/0x320 [ 341.882850][ T10] __schedule+0x15c/0x900 [ 341.883619][ T10] schedule+0x34/0x104 [ 341.884333][ T10] worker_thread+0x19c/0x354 [ 341.885095][ T10] kthread+0x114/0x118 [ 341.885813][ T10] ret_from_fork+0x10/0x20 [ 341.886852][ T10] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:18345' (ED25519) to the list of known hosts. 1970/01/01 00:06:30 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:06:35 parsed 1 programs [ 406.699762][ T3274] cgroup: Unknown subsys name 'net' [ 407.060664][ T3274] cgroup: Unknown subsys name 'cpuset' [ 407.094242][ T3274] cgroup: Unknown subsys name 'rlimit' [ 408.251677][ T3274] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k VM DIAGNOSIS: 21:57:27 Registers: info registers vcpu 0 CPU#0 PC=ffff8000800122d4 X00=0000000000012501 X01=0000000000002011 X02=0000aaaade52eb00 X03=0000aaaade52caf0 X04=0000000000000004 X05=0000aaaade516310 X06=0000ffffab9f2bd0 X07=0000000000000002 X08=00000000000003fe X09=0000000000000002 X10=0000000000000007 X11=0000000000000001 X12=0000000000002030 X13=0000000000000000 X14=0000aaaade500008 X15=00000000000219fc X16=0000ffffab9f1d10 X17=03f972a870ffde65 X18=000000000000270f X19=0000ffffab9f3180 X20=0000ffffab9f2a70 X21=0000000000002010 X22=0000ffffab9f2ad0 X23=0000ffffab9f8000 X24=00000000000001ff X25=0000000000002000 X26=0000000000000000 X27=0000ffffabd8c7e0 X28=0000ffffd6ddc948 X29=0000ffffd6ddc140 X30=0000000000000002 SP=ffff800088b5c000 PSTATE=414003c9 -Z-- EL2h SVCR=00000000 -- BTYPE=0 FPCR=00000000 FPSR=00000000 P00=0000 P01=0000 P02=0000 P03=0000 P04=0000 P05=0000 P06=0000 P07=0000 P08=0000 P09=0000 P10=0000 P11=0000 P12=0000 P13=0000 P14=0000 P15=0000 FFR=0000 Z00=0000ffffd6ddc480:0000ffffd6ddc480 Z01=ffffff80ffffffd8:0000ffffd6ddc450 Z02=0000000000000000:0000000000000000 Z03=0000000000000000:0000000000000000 Z04=0000000000000000:0000000000000000 Z05=0000000000000000:0000000000000000 Z06=0000000000000000:0000000000000000 Z07=0000000000000000:0000000000000000 Z08=0000000000000000:0000000000000000 Z09=0000000000000000:0000000000000000 Z10=0000000000000000:0000000000000000 Z11=0000000000000000:0000000000000000 Z12=0000000000000000:0000000000000000 Z13=0000000000000000:0000000000000000 Z14=0000000000000000:0000000000000000 Z15=0000000000000000:0000000000000000 Z16=0000000000000000:0000000000000000 Z17=0000000000000000:0000000000000000 Z18=0000000000000000:0000000000000000 Z19=0000000000000000:0000000000000000 Z20=0000000000000000:0000000000000000 Z21=0000000000000000:0000000000000000 Z22=0000000000000000:0000000000000000 Z23=0000000000000000:0000000000000000 Z24=0000000000000000:0000000000000000 Z25=0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000 Z30=0000000000000000:0000000000000000 Z31=0000000000000000:0000000000000000 info registers vcpu 1 CPU#1 PC=ffff800081a550e0 X00=000000000000b564 X01=fff000007f8ead40 X02=fff07ffffd1cf000 X03=ffff800082b8bdd0 X04=fff07ffffd1cf000 X05=4000000000000000 X06=ffff80008271bd40 X07=00000000000000c0 X08=f1f000000323ff58 X09=a7e0216d174e1f4c X10=d5ab3b8427fef2ee X11=000000597dbc0630 X12=0000000000000001 X13=ffff8000827400c8 X14=0000000000000071 X15=0000000000000001 X16=1e3e000000cb66a1 X17=0000000000000000 X18=ffff800088b73c30 X19=0000000000000001 X20=ffff800082740080 X21=f1f000000323ed80 X22=ffff8000827400c0 X23=0000000000000000 X24=0000000000000000 X25=f1f000000323ed80 X26=0000000000000000 X27=0000000000000000 X28=0000000000000000 X29=ffff800082b8bdf0 X30=ffff800081a550f4 SP=ffff800082b8bdf0 PSTATE=614000c9 -ZC- EL2h SVCR=00000000 -- BTYPE=0 FPCR=00000000 FPSR=00000000 P00=0000 P01=0000 P02=0000 P03=0000 P04=0000 P05=0000 P06=0000 P07=0000 P08=0000 P09=0000 P10=0000 P11=0000 P12=0000 P13=0000 P14=0000 P15=0000 FFR=0000 Z00=0000000000000000:0000000000000000 Z01=0000000000000000:0000000000000000 Z02=0000000000000000:0000000000000000 Z03=0000000000000000:0000000000000000 Z04=0000000000000000:0000000000000000 Z05=0000000000000000:0000000000000000 Z06=0000000000000000:0000000000000000 Z07=0000000000000000:0000000000000000 Z08=0000000000000000:0000000000000000 Z09=0000000000000000:0000000000000000 Z10=0000000000000000:0000000000000000 Z11=0000000000000000:0000000000000000 Z12=0000000000000000:0000000000000000 Z13=0000000000000000:0000000000000000 Z14=0000000000000000:0000000000000000 Z15=0000000000000000:0000000000000000 Z16=0000000000000000:0000000000000000 Z17=0000000000000000:0000000000000000 Z18=0000000000000000:0000000000000000 Z19=0000000000000000:0000000000000000 Z20=0000000000000000:0000000000000000 Z21=0000000000000000:0000000000000000 Z22=0000000000000000:0000000000000000 Z23=0000000000000000:0000000000000000 Z24=0000000000000000:0000000000000000 Z25=0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000 Z30=0000000000000000:0000000000000000 Z31=0000000000000000:0000000000000000