last executing test programs: kernel console output (not intermixed with test programs): syzkaller login: [ 515.364948][ T16] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 515.388850][ T16] CPU: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.10.0-rc3-syzkaller-g83a7eefedc9b #0 [ 515.393912][ T16] Hardware name: riscv-virtio,qemu (DT) [ 515.397767][ T16] Call Trace: [ 515.411159][ T16] [] dump_backtrace+0x2e/0x3c [ 515.417142][ T16] [] show_stack+0x34/0x40 [ 515.420457][ T16] [] dump_stack_lvl+0x108/0x196 [ 515.423854][ T16] [] dump_stack+0x1c/0x24 [ 515.426937][ T16] [] panic+0x382/0x800 [ 515.444187][ T16] [] __schedule+0x342e/0x3486 [ 515.448359][ T16] [] preempt_schedule_irq+0x7a/0x1a8 [ 515.452132][ T16] [] irqentry_exit+0x138/0x17a [ 515.455137][ T16] [] do_irq+0x34/0x4a [ 515.457424][ T16] [] ret_from_exception+0x0/0x64 [ 515.461034][ T16] [] run_ksoftirqd+0xda/0x144 [ 515.472111][ T16] [] smpboot_thread_fn+0x654/0xb9c [ 515.473895][ T16] [] kthread+0x28c/0x3a6 [ 515.475377][ T16] [] ret_from_fork+0xe/0x1c [ 515.491692][ T16] SMP: stopping secondary CPUs [ 515.494715][ T16] Rebooting in 86400 seconds.. Connection timed out during banner exchange Connection to 127.0.0.1 port 26984 timed out VM DIAGNOSIS: 10:54:25 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff85c7f1da mhartid 0000000000000000 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000020 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85ca3c44 vstvec 0000000000000000 mepc ffffffff8022989c sepc ffffffff800dab7a vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080029000 sscratch 0000000000000000 satp a011f00000098f04 x0/zero 0000000000000000 x1/ra ffffffff85c7f1da x2/sp ff2000000008b940 x3/gp ffffffff89240400 x4/tp ff6000000cadcec0 x5/t0 0000000000000000 x6/t1 ffe3ffff000116cc x7/t2 ff6000000cadd9e0 x8/s0 ff2000000008b950 x9/s1 0000000000000001 x10/a0 0000000000000005 x11/a1 0000000000000001 x12/a2 0000000000000002 x13/a3 ffffffff85c7f1da x14/a4 0000000000000000 x15/a5 ff6000000caddec0 x16/a6 0000000000000003 x17/a7 ff2000000008b667 x18/s2 0000000000000000 x19/s3 ffffffff8936e10d x20/s4 000000000000000a x21/s5 ffffffffffffffff x22/s6 ffffffffffffffff x23/s7 ffffffffffffffff x24/s8 1fec00000f56cb36 x25/s9 ff6000000cadcec0 x26/s10 0000000000000000 x27/s11 ff6000000b865e84 x28/t3 c02fe89a5612156a x29/t4 ffe3ffff000116cc x30/t5 ffe3ffff000116cd x31/t6 ff2000000008b358 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000 info registers vcpu 1 CPU#1 V = 0 pc ffffffff801fb458 mhartid 0000000000000001 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85ca3c44 vstvec 0000000000000000 mepc ffffffff8001cb10 sepc ffffffff8094c5fa vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080027000 sscratch 0000000000000000 satp a011f00000098f04 x0/zero 0000000000000000 x1/ra ffffffff801fad98 x2/sp ff200000000937a0 x3/gp ffffffff89240400 x4/tp ff6000000cae8000 x5/t0 ff6000007ab71680 x6/t1 dfffffff00000000 x7/t2 0000000000000090 x8/s0 ff20000000093890 x9/s1 00000000000000d0 x10/a0 ff6000007ab71674 x11/a1 0000000500000000 x12/a2 0000000000000005 x13/a3 ffffffff8623a180 x14/a4 0000000000000000 x15/a5 0000000000000001 x16/a6 0000000000000000 x17/a7 0000000000000004 x18/s2 0000000000000080 x19/s3 ffffffff87ab3fa0 x20/s4 ff6000007ab71640 x21/s5 0000000000000080 x22/s6 ffffffff8020eeb6 x23/s7 0000000000000001 x24/s8 0000000000000008 x25/s9 1fec00000f56e2c8 x26/s10 ffffffff8b1a6b40 x27/s11 ff6000007ab71670 x28/t3 0000000000000003 x29/t4 0000000000000001 x30/t5 0000000000000000 x31/t6 ffffffff89330600 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000