Warning: Permanently added '[localhost]:27856' (ED25519) to the list of known hosts. 1970/01/01 00:09:49 fuzzer started 1970/01/01 00:10:00 dialing manager at localhost:30004 syzkaller login: [ 608.100853][ T3010] cgroup: Unknown subsys name 'net' [ 608.864989][ T3010] cgroup: Unknown subsys name 'rlimit' [ 674.483885][ T3010] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 1970/01/01 00:11:13 syscalls: 211 1970/01/01 00:11:13 code coverage: enabled 1970/01/01 00:11:13 comparison tracing: enabled 1970/01/01 00:11:13 extra coverage: enabled 1970/01/01 00:11:13 delay kcov mmap: enabled 1970/01/01 00:11:13 setuid sandbox: enabled 1970/01/01 00:11:13 namespace sandbox: enabled 1970/01/01 00:11:13 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:11:13 fault injection: enabled 1970/01/01 00:11:13 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:11:13 net packet injection: enabled 1970/01/01 00:11:13 net device setup: enabled 1970/01/01 00:11:13 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:11:13 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:11:13 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:11:13 USB emulation: enabled 1970/01/01 00:11:13 hci packet injection: /dev/vhci does not exist 1970/01/01 00:11:13 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:11:13 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:11:13 swap file: enabled 1970/01/01 00:11:14 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:11:20 fetching corpus: 45, signal 23531/25441 (executing program) 1970/01/01 00:11:26 fetching corpus: 95, signal 28527/30705 (executing program) 1970/01/01 00:11:31 fetching corpus: 143, signal 31123/33517 (executing program) 1970/01/01 00:11:35 fetching corpus: 193, signal 32858/35465 (executing program) 1970/01/01 00:11:39 fetching corpus: 240, signal 35975/38256 (executing program) 1970/01/01 00:11:47 fetching corpus: 290, signal 38663/40444 (executing program) 1970/01/01 00:11:52 fetching corpus: 339, signal 39658/41334 (executing program) 1970/01/01 00:11:56 fetching corpus: 389, signal 40771/42169 (executing program) 1970/01/01 00:11:59 fetching corpus: 439, signal 41501/42748 (executing program) 1970/01/01 00:12:02 fetching corpus: 489, signal 42718/43432 (executing program) 1970/01/01 00:12:06 fetching corpus: 537, signal 43453/43841 (executing program) 1970/01/01 00:12:08 fetching corpus: 585, signal 44035/44101 (executing program) 1970/01/01 00:12:08 fetching corpus: 585, signal 44035/44106 (executing program) 1970/01/01 00:12:08 fetching corpus: 585, signal 44035/44113 (executing program) 1970/01/01 00:12:08 fetching corpus: 585, signal 44035/44120 (executing program) 1970/01/01 00:12:09 fetching corpus: 585, signal 44035/44130 (executing program) 1970/01/01 00:12:09 fetching corpus: 586, signal 44037/44140 (executing program) 1970/01/01 00:12:09 fetching corpus: 586, signal 44037/44146 (executing program) 1970/01/01 00:12:09 fetching corpus: 586, signal 44037/44147 (executing program) 1970/01/01 00:12:09 fetching corpus: 586, signal 44037/44152 (executing program) 1970/01/01 00:12:09 fetching corpus: 586, signal 44037/44157 (executing program) 1970/01/01 00:12:09 fetching corpus: 586, signal 44037/44157 (executing program) 1970/01/01 00:12:09 fetching corpus: 586, signal 44037/44157 (executing program) 1970/01/01 00:14:31 starting 2 fuzzer processes [ 915.301330][ T3022] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 915.401663][ T3024] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 915.503433][ T3022] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 915.597567][ T3024] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 933.606639][ T3024] hsr_slave_0: entered promiscuous mode [ 933.637684][ T3024] hsr_slave_1: entered promiscuous mode [ 933.777755][ T3022] hsr_slave_0: entered promiscuous mode [ 933.798039][ T3022] hsr_slave_1: entered promiscuous mode [ 933.817941][ T3022] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 933.824082][ T3022] Cannot create hsr debugfs directory [ 945.508320][ T3022] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 945.625083][ T3022] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 945.714683][ T3022] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 945.795603][ T3022] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 952.443825][ T3024] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 952.725617][ T3024] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 953.422525][ T3024] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 953.685463][ T3024] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 974.748014][ T3022] 8021q: adding VLAN 0 to HW filter on device bond0 [ 983.203319][ T3024] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1110.435589][ T11] hsr_slave_0: left promiscuous mode [ 1110.619958][ T11] hsr_slave_1: left promiscuous mode [ 1126.068955][ C0] Insufficient stack space to handle exception! [ 1126.072110][ C0] Task stack: [0xff20000000060000..0xff20000000064000] [ 1126.075067][ C0] Overflow stack: [0xff6000007cce8070..0xff6000007cce9070] [ 1126.078043][ C0] CPU: 0 PID: 11 Comm: kworker/u4:0 Not tainted 6.8.0-rc1-syzkaller-00030-ga11dd49dcb93 #0 [ 1126.081353][ C0] Hardware name: riscv-virtio,qemu (DT) [ 1126.082772][ C0] Workqueue: netns cleanup_net [ 1126.085053][ C0] epc : mark_lock+0x2e/0x1ad2 [ 1126.087025][ C0] ra : __lock_acquire+0x1b38/0x784c [ 1126.088356][ C0] epc : ffffffff80212f5a ra : ffffffff80216ed2 sp : ff1fffffffffff50 [ 1126.089606][ C0] gp : ffffffff8863e3c0 tp : 0000000000000000 t0 : d543d84ff8697c97 [ 1126.090822][ C0] t1 : ff6000000c2a4150 t2 : ff6000000c2a3ef8 s0 : ff20000000000100 [ 1126.092030][ C0] s1 : ffffffff8866b780 a0 : ff6000000c2a3400 a1 : ff6000000c2a4150 [ 1126.093170][ C0] a2 : 0000000000000001 a3 : 0000000041b58ab3 a4 : 0000000000000000 [ 1126.094599][ C0] a5 : ff20000000000090 a6 : ffffffff89a752a0 a7 : ffffffff85c4d444 [ 1126.095804][ C0] s2 : 000000000000000f s3 : ff6000007cce9444 s4 : ff20000000000080 [ 1126.097015][ C0] s5 : 1fec0000018547de s6 : ffffffff8864af20 s7 : ffffffff886acca0 [ 1126.098258][ C0] s8 : ff6000000c2a3edc s9 : 0000000000000001 s10: ffffffff886acca8 [ 1126.099466][ C0] s11: ff6000000c2a3400 t3 : 0000000000000004 t4 : 1fec0000018547db [ 1126.100631][ C0] t5 : 0000000000000000 t6 : 1fec00000185482e [ 1126.101644][ C0] status: 0000000200000100 badaddr: ff1fffffffffffa0 cause: 000000000000000f [ 1126.103367][ C0] Kernel panic - not syncing: Kernel stack overflow [ 1126.104977][ C0] CPU: 0 PID: 11 Comm: kworker/u4:0 Not tainted 6.8.0-rc1-syzkaller-00030-ga11dd49dcb93 #0 [ 1126.106884][ C0] Hardware name: riscv-virtio,qemu (DT) [ 1126.107926][ C0] Workqueue: netns cleanup_net [ 1126.109572][ C0] Call Trace: [ 1126.110470][ C0] [] dump_backtrace+0x2e/0x3c [ 1126.111954][ C0] [] show_stack+0x34/0x40 [ 1126.113197][ C0] [] dump_stack_lvl+0xe8/0x154 [ 1126.114601][ C0] [] dump_stack+0x1c/0x24 [ 1126.115938][ C0] [] panic+0x33c/0x77c [ 1126.117090][ C0] [] handle_bad_stack+0xe0/0xf4 [ 1126.118482][ C0] [] __lock_acquire+0x1b38/0x784c [ 1126.120279][ C0] SMP: stopping secondary CPUs [ 1126.123029][ C0] Rebooting in 86400 seconds.. VM DIAGNOSIS: 15:11:07 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff8023d592 mhartid 0000000000000000 mstatus 0000000a00000180 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000408 stvec ffffffff8593d018 vstvec 0000000000000000 mepc ffffffff8001d514 sepc ffffffff80212f5a vsepc 0000000000000000 mcause 0000000000000009 scause 000000000000000f vscause 0000000000000000 mtval 0000000000000000 stval ff1fffffffffffa0 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080036000 sscratch 0000000000000000 satp a013100000096466 x0/zero 0000000000000000 x1/ra ffffffff8589a350 x2/sp ff6000007cce8140 x3/gp ffffffff8863e3c0 x4/tp ff6000000c2a3400 x5/t0 ffffffff876a5290 x6/t1 ff6000007cce8420 x7/t2 49502030203a5550 x8/s0 ff6000007cce82f0 x9/s1 ff6000007cce8360 x10/a0 0000000000000001 x11/a1 0000000000000025 x12/a2 0000000000000001 x13/a3 ffffffff8589b724 x14/a4 0000000000000000 x15/a5 ff6000000c2a3400 x16/a6 0000000000ff0100 x17/a7 ff6000007cce85a7 x18/s2 0000000000000001 x19/s3 ffffffff85e43906 x20/s4 ff6000007cce8657 x21/s5 ff6000007cce8280 x22/s6 ff6000007cce83a0 x23/s7 dfffffff00000000 x24/s8 0000000000000000 x25/s9 ff6000007cce8367 x26/s10 1fec00000f99d044 x27/s11 ffffffff86ba1820 x28/t3 1fec00000f99d084 x29/t4 ffebffff0f99d0b4 x30/t5 ffebffff0f99d0b5 x31/t6 ff6000007cce8657 f0/ft0 3fbed19a5a37fe1f f1/ft1 426f7def0bcc0000 f2/ft2 416cec0000000000 f3/ft3 3fd01d738a065645 f4/ft4 3fe0000000000000 f5/ft5 4000000000000000 f6/ft6 4000000000000000 f7/ft7 41cdcd6500000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 4190f7fcf0000000 f11/fa1 3f847ae147ae147b f12/fa2 4201581598c00000 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 ffffffff80225c0c mhartid 0000000000000001 mstatus 0000000a000000a2 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000408 stvec ffffffff8593d018 vstvec 0000000000000000 mepc 000000000003792c sepc ffffffff80225c0c vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080034000 sscratch 0000000000000000 satp a012d00000098b2f x0/zero 0000000000000000 x1/ra ffffffff80225bb0 x2/sp ff20000004373770 x3/gp ffffffff8863e3c0 x4/tp ff60000016b89a00 x5/t0 de0b251e97476f64 x6/t1 ffebffff0314f633 x7/t2 ff60000016b8a4f8 x8/s0 ff200000043737d0 x9/s1 ff60000018a7b198 x10/a0 0000000000000001 x11/a1 0000000000000004 x12/a2 0000000000000001 x13/a3 ffffffff80225bb0 x14/a4 0000000000000000 x15/a5 ffffffffffffffff x16/a6 ffebffff0314f634 x17/a7 ff60000018a7b19b x18/s2 ffebffff0314f633 x19/s3 ff60000018a7b1a8 x20/s4 0000000000000000 x21/s5 ff60000018a7b1a0 x22/s6 1fec00000314f635 x23/s7 0000000000000003 x24/s8 0000000000000bde x25/s9 1fec00000314f634 x26/s10 1fec00000314f633 x27/s11 ffffffff869db840 x28/t3 0000000000000004 x29/t4 ffebffff0314f633 x30/t5 ffebffff0314f634 x31/t6 1fec000002d714a8 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