last executing test programs: kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:44432' (ED25519) to the list of known hosts. syzkaller login: [ 300.090942][ T3170] cgroup: Unknown subsys name 'net' [ 300.756749][ T3170] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 347.192072][ T3170] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 355.541084][ T16] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 355.543733][ T16] CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.11.0-rc2-syzkaller-g7c1e5b9690b0 #0 [ 355.547472][ T16] Hardware name: riscv-virtio,qemu (DT) [ 355.548873][ T16] Call Trace: [ 355.549894][ T16] [] dump_backtrace+0x2e/0x3c [ 355.552618][ T16] [] show_stack+0x34/0x40 [ 355.553787][ T16] [] dump_stack_lvl+0x108/0x196 [ 355.555559][ T16] [] dump_stack+0x1c/0x24 [ 355.556908][ T16] [] panic+0x388/0x806 [ 355.558264][ T16] [] __schedule+0x3230/0x3288 [ 355.559544][ T16] [] schedule+0xc4/0x324 [ 355.560743][ T16] [] smpboot_thread_fn+0x2ea/0xb9c [ 355.562076][ T16] [] kthread+0x28c/0x3a6 [ 355.563491][ T16] [] ret_from_fork+0xe/0x1c [ 355.565266][ T16] SMP: stopping secondary CPUs [ 355.568014][ T16] Rebooting in 86400 seconds.. VM DIAGNOSIS: 08:23:16 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff81b09de8 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 ffffffff85297dee sepc ffffffff84c78d1e vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000009 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080029000 sscratch 0000000000000000 satp a011f0000009dccd x0/zero 0000000000000000 x1/ra ffffffff81b09dc8 x2/sp ff2000000008b3d0 x3/gp ffffffff8954c0a0 x4/tp ff60000011ee4ec0 x5/t0 1fec0000023dcb3b x6/t1 ff60000011ee5a58 x7/t2 ff60000011ee59e0 x8/s0 ff2000000008b400 x9/s1 ffffffff9088b3e0 x10/a0 ff200000000a5005 x11/a1 000000000000001f x12/a2 0000000000000002 x13/a3 ffffffff81b09dc8 x14/a4 1ffffffff2111685 x15/a5 0000000000000000 x16/a6 0000000000000003 x17/a7 0000000000000009 x18/s2 0000000000000005 x19/s3 0000000000000000 x20/s4 0000000000000000 x21/s5 fffffffef21116d6 x22/s6 fffffffef21116d6 x23/s7 0000000000000003 x24/s8 fffffffef2111686 x25/s9 ffffffff9088b6b2 x26/s10 ffffffff9088b6b0 x27/s11 ffffffff9088b430 x28/t3 ffffffff86257484 x29/t4 000000000af8632d 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 ffffffff804742e4 mhartid 0000000000000001 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000020 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85f5b9a0 vstvec 0000000000000000 mepc ffffffff8001f472 sepc ffffffff85f5a7cc vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080027000 sscratch 0000000000000000 satp a011f0000009dccd x0/zero 0000000000000000 x1/ra ffffffff85f3a6ac x2/sp ff20000003f231d0 x3/gp ffffffff8954c0a0 x4/tp ff6000001a508000 x5/t0 0000000000046600 x6/t1 ffebffff0dd92ca8 x7/t2 ff6000001a508b20 x8/s0 ff20000003f23220 x9/s1 ffffffff85f3a6ac x10/a0 ffffffff908a1988 x11/a1 0000000000000008 x12/a2 0000000000000006 x13/a3 0000000000000001 x14/a4 1ffffffff2114331 x15/a5 0000000000000000 x16/a6 ff6000001a508b40 x17/a7 1fec0000034a1168 x18/s2 ffffffff86264628 x19/s3 ffffffff86264628 x20/s4 ffffffff908a1980 x21/s5 ff6000001a508000 x22/s6 0000000000000280 x23/s7 1fec00000dd92cf8 x24/s8 ff6000006ec96540 x25/s9 ff6000006ec967c0 x26/s10 1fec000003ae745a x27/s11 0000000000000200 x28/t3 ffffffff86257484 x29/t4 ffebffff0dd92ca8 x30/t5 ffebffff0dd92ca9 x31/t6 1fec0000034a1172 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