last executing test programs: kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:9970' (ED25519) to the list of known hosts. syzkaller login: [ 337.121890][ T3176] cgroup: Unknown subsys name 'net' [ 337.808078][ T3176] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 393.337454][ T3176] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 400.614223][ T16] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 400.617712][ T16] CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.11.0-rc2-syzkaller-g7c1e5b9690b0 #0 [ 400.621227][ T16] Hardware name: riscv-virtio,qemu (DT) [ 400.622881][ T16] Call Trace: [ 400.624156][ T16] [] dump_backtrace+0x2e/0x3c [ 400.627674][ T16] [] show_stack+0x34/0x40 [ 400.629165][ T16] [] dump_stack_lvl+0x108/0x196 [ 400.630857][ T16] [] dump_stack+0x1c/0x24 [ 400.632509][ T16] [] panic+0x388/0x806 [ 400.634234][ T16] [] __schedule+0x3230/0x3288 [ 400.635831][ T16] [] preempt_schedule_notrace+0xe0/0x2be [ 400.637473][ T16] [] lock_is_held_type+0x7a/0x1f2 [ 400.639221][ T16] [] __might_resched+0x2b4/0x5fc [ 400.640860][ T16] [] run_ksoftirqd+0xec/0x144 [ 400.642363][ T16] [] smpboot_thread_fn+0x654/0xb9c [ 400.644046][ T16] [] kthread+0x28c/0x3a6 [ 400.645651][ T16] [] ret_from_fork+0xe/0x1c [ 400.647722][ T16] SMP: stopping secondary CPUs [ 400.650836][ T16] Rebooting in 86400 seconds.. VM DIAGNOSIS: 02:13:04 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff81b0b9e8 mhartid 0000000000000000 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000220 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85f5b9a0 vstvec 0000000000000000 mepc ffffffff8089c992 sepc ffffffff801866e6 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000009 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080029000 sscratch 0000000000000000 satp a012b0000009877a x0/zero 0000000000000000 x1/ra ffffffff81b0b9be x2/sp ff2000000008b2f0 x3/gp ffffffff8954c0a0 x4/tp ff60000011ee4ec0 x5/t0 1fec0000023dcb3b x6/t1 ff60000011ee5a58 x7/t2 ff60000011ee59e0 x8/s0 ff2000000008b330 x9/s1 ffffffff9088b3e0 x10/a0 ffffffff9088b428 x11/a1 000000000000001f x12/a2 0000000000000002 x13/a3 ffffffff81b0b9be x14/a4 1ffffffff2111685 x15/a5 ff200000000a5000 x16/a6 0000000000000003 x17/a7 000000000000000d x18/s2 000000000000006e x19/s3 0000000000000000 x20/s4 0000000000000000 x21/s5 0000000000000000 x22/s6 0000000000000000 x23/s7 ffffffff906d4c11 x24/s8 dfffffff00000000 x25/s9 fffffffef2111687 x26/s10 0000000000000010 x27/s11 0000000000000010 x28/t3 ffffffff86257484 x29/t4 000000006dd414ba x30/t5 ffffffff89655e40 x31/t6 1fec0000023dcb4f 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 00007fffa27c0a70 mhartid 0000000000000001 mstatus 8000000a000060a2 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85f5b9a0 vstvec 0000000000000000 mepc ffffffff8001f472 sepc 00007fffa27e0598 vsepc 0000000000000000 mcause 0000000000000009 scause 0000000000000008 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080027000 sscratch ff6000001b8c4ec0 satp a012700000098a24 x0/zero 0000000000000000 x1/ra 00007fffa299051c x2/sp 00007ffffb847b00 x3/gp 000055559359ea78 x4/tp 00007fffa26d7800 x5/t0 000000000e18b0eb x6/t1 00007fffa294c0ec x7/t2 000000002b7b9354 x8/s0 0000000000002800 x9/s1 0000000000000040 x10/a0 0000000071c5cd58 x11/a1 ffffffffdcbc2124 x12/a2 ffffffffd6360831 x13/a3 ffffffffe5c4be60 x14/a4 00005555a958e026 x15/a5 0000000000000000 x16/a6 ffffffffacef6e76 x17/a7 000000001a2cbcff x18/s2 00007ffffb847ba8 x19/s3 0000000000000040 x20/s4 00000000113bee6e x21/s5 00007fffa2bc2ce8 x22/s6 00007ffffb847ba8 x23/s7 00007ffffb847b68 x24/s8 00007ffffb847b28 x25/s9 0000000000000005 x26/s10 0000000016e6c592 x27/s11 ffffffffff0f84d7 x28/t3 0000000006202c0c x29/t4 ffffffffefafdce7 x30/t5 ffffffffae690d51 x31/t6 ffffffff984caafa 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