last executing test programs: 2m56.369897554s ago: executing program 0 (id=61): r0 = syz_usb_connect(0x1, 0x32, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0x2040, 0x2900, 0x100, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x20, 0x1, 0x1, 0x1, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0xff, 0x0, 0x0, 0x0, [], [{{0x7, 0x5, 0x1, 0x2, 0x200}}, {{0x7, 0x5, 0x81, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_write(r0, 0x81, 0x8, &(0x7f0000000100)='\b\x00\x00\x00\x00\x00\x00\x00') nanosleep(&(0x7f0000000300)={0x0, 0x5f5e100}, 0x0) 2m47.768175497s ago: executing program 0 (id=63): r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@ipv4_newnexthop={0x20, 0x68, 0x501, 0x0, 0x0, {}, [@NHA_OIF={0x8, 0x5, 0x1}]}, 0x20}}, 0x0) 2m44.191160888s ago: executing program 0 (id=64): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./mysys/bus/pci/drivers/goku_udc/new_id\x00', 0x1, 0x0) write(r0, &(0x7f0000000180)='8086 10d3\x00', 0xa) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./config\x00', 0x1ff) mount(&(0x7f0000000340)=@filename='none\x00', &(0x7f0000000380)='./config\x00', &(0x7f00000003c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./config/usb_gadget/g1\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./config/usb_gadget/g1/idVendor\x00', 0x1, 0x0) write(r1, &(0x7f00000004c0)='0x1234\x00', 0x7) r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./config/usb_gadget/g1/idProduct\x00', 0x1, 0x0) write(r2, &(0x7f0000000540)='0x5678\x00', 0x7) mkdirat(0xffffffffffffff9c, &(0x7f0000000580)='./config/usb_gadget/g1/functions/acm.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000005c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000600)='./config/usb_gadget/g1/functions/acm.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/configs/c.1/acm.usb0\x00') r3 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r3, &(0x7f00000006c0)='0000:00:02.0\n', 0xd) 2m40.594386617s ago: executing program 0 (id=65): r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) pread64(r0, &(0x7f0000000180), 0x8, 0x0) pread64(r0, &(0x7f00000001c0), 0x8, 0x1000) pread64(r0, &(0x7f0000000280), 0x8, 0x4000) pread64(r0, &(0x7f0000000480), 0x8, 0xc000) pread64(r0, &(0x7f0000000580), 0x8, 0x10000) pread64(r0, 0x0, 0x0, 0x20000) 2m36.525118863s ago: executing program 0 (id=67): futex(&(0x7f0000000700), 0x0, 0x0, &(0x7f0000000500)={0x1}, 0x0, 0x0) 2m23.668241714s ago: executing program 0 (id=69): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./sys\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='sysfs\x00', &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/power/pm_test\x00', 0x2, 0x0) write(r1, &(0x7f00000001c0)='core\n\x00', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/power/state\x00', 0x2, 0x0) write(r2, &(0x7f0000000240)='freeze\n\x00', 0x8) 1m35.509963912s ago: executing program 1 (id=72): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ed) mount(&(0x7f0000000100)=@filename='sysfs\x00', &(0x7f0000000200)='./sys\x00', &(0x7f0000000300)='sysfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/pci/drivers/e1000e/unbind\x00', 0x1, 0x0) 1m22.831214058s ago: executing program 1 (id=73): r0 = syz_usb_connect(0x3, 0x9f, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040480b081000010000000109028d0001010080fa0904000005ffffff000705030200020007058402000200070588058003010705070580030107058a030800010904000105ffffff000705030200020007058402000200070588058003010705070580030107058a030800010904000805ffffff000705030200020007058402000200070588058003010705070580030107058a03080001"], 0x0) nanosleep(&(0x7f0000000300)={0x1}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000440)='./sys\x00', &(0x7f0000000480)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/usb/drivers/ttusb-dec/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000540)='5-1:1.0\x00', 0x8) close(r1) syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) syz_usb_ep_read(r0, 0x3, 0x800, &(0x7f0000000880)=""/2048) (async) syz_usb_ep_write(r0, 0x84, 0x40, &(0x7f0000000700)="aa00080c0000000100070009017700"/64) (async) r2 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./sys/bus/usb/drivers/ttusb-dec/bind\x00', 0x1, 0x0) write(r2, &(0x7f0000000840)='5-1:1.0\x00', 0x8) 59.723341928s ago: executing program 1 (id=74): r0 = syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, &(0x7f0000001400)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0) syz_usb_ep_write(r0, 0x82, 0x5, &(0x7f0000002340)='hello') syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0) syz_usb_ep_write(r0, 0x82, 0x5, &(0x7f0000002340)='hello') 39.607079442s ago: executing program 1 (id=75): syz_usb_connect(0x0, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x20, 0x1, 0x0, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x7, 0x5, 0x81, 0x2, 0x200}}, {{0x7, 0x5, 0x2, 0x2, 0x200}}]}}]}}]}}, 0x0) 20.909171091s ago: executing program 1 (id=76): r0 = syz_usb_connect(0x0, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="120100020000004032151d0100010102000109022200010100a032090400000103000000092111010001222f000705810340000a"], 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="00222f00000005010902a101050919012903150025017501950381027505950181010501093009311581257f750895028106c000000000"], 0x0}, 0x0) syz_open_dev$usbfs(&(0x7f0000000040), 0x19, 0x2) 0s ago: executing program 1 (id=77): syz_usb_connect(0x2, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010001000000085f0500a800010000000109022e0001010080320904000004ff00000007050102080000070582030800010705030240000007058402400000"], 0x0) nanosleep(&(0x7f0000000300)={0x1}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./my_dev\x00', 0x1ff) mount(&(0x7f0000000000)=@filename='\x00', &(0x7f0000000100)='./my_dev\x00', &(0x7f0000000200)='devtmpfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_dev/mdc8000\x00', 0x2, 0x0) kernel console output (not intermixed with test programs): as an active interface with an up link [ 1173.309141][ T3225] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1173.445583][ T3225] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1198.672122][ T3226] hsr_slave_0: entered promiscuous mode [ 1198.702558][ T3226] hsr_slave_1: entered promiscuous mode [ 1202.742407][ T3225] hsr_slave_0: entered promiscuous mode [ 1202.876002][ T3225] hsr_slave_1: entered promiscuous mode [ 1202.933593][ T3225] debugfs: 'hsr0' already exists in 'hsr' [ 1202.936425][ T3225] Cannot create hsr debugfs directory [ 1215.959030][ T3226] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1216.422497][ T3226] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 1216.519359][ T3226] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1216.807623][ T3226] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 1216.923116][ T3226] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1217.072184][ T3226] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 1218.047497][ T3226] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1218.323513][ T3226] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 1221.360961][ T3225] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1221.773738][ T3225] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 1222.021660][ T3225] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1222.307967][ T3225] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 1222.389497][ T3225] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1222.597530][ T3225] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 1222.780623][ T3225] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1223.183820][ T3225] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 1269.679363][ T3226] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1278.433240][ T3225] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1406.371646][ T3226] veth0_vlan: entered promiscuous mode [ 1409.424002][ T3226] veth1_vlan: entered promiscuous mode [ 1411.259156][ T3225] veth0_vlan: entered promiscuous mode [ 1412.631364][ T3225] veth1_vlan: entered promiscuous mode [ 1416.119364][ T3226] veth0_macvtap: entered promiscuous mode [ 1417.020371][ T3226] veth1_macvtap: entered promiscuous mode [ 1418.309766][ T3225] veth0_macvtap: entered promiscuous mode [ 1419.273944][ T3225] veth1_macvtap: entered promiscuous mode [ 1421.932043][ T3510] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1422.098263][ T55] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1422.585989][ T12] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1423.781689][ T3400] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1427.881378][ T3510] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1428.051068][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1428.134871][ T3231] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1428.469302][ T53] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1440.018161][ T3226] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 1482.663785][ T3746] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 1483.417537][ T3746] usb 1-1: Invalid ep0 maxpacket: 64 [ 1483.711727][ T3746] usb 1-1: new low-speed USB device number 3 using dummy_hcd [ 1484.147666][ T3746] usb 1-1: Invalid ep0 maxpacket: 64 [ 1484.443775][ T3746] usb usb1-port1: attempt power cycle [ 1485.249757][ T3746] usb 1-1: new low-speed USB device number 4 using dummy_hcd [ 1486.040396][ T3746] usb 1-1: Invalid ep0 maxpacket: 64 [ 1486.412677][ T3746] usb 1-1: new low-speed USB device number 5 using dummy_hcd [ 1486.780149][ T3746] usb 1-1: Invalid ep0 maxpacket: 64 [ 1486.824494][ T3746] usb usb1-port1: unable to enumerate USB device [ 1502.138523][ T3746] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 1506.468545][ T3746] usb 1-1: New USB device found, idVendor=07c4, idProduct=a000, bcdDevice= 1.00 [ 1506.472463][ T3746] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 1506.502563][ T3746] usb 1-1: Product: syz [ 1506.540348][ T3746] usb 1-1: Manufacturer: syz [ 1514.050121][ T3746] usb 1-1: can't set config #1, error -110 [ 1516.188629][ T10] usb 1-1: USB disconnect, device number 6 [ 1542.515758][ T3746] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 1543.041757][ T3746] usb 1-1: Using ep0 maxpacket: 32 [ 1544.686080][ T3746] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 1544.717304][ T3746] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 0 [ 1544.773262][ T3746] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 1544.800608][ T3746] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 0 [ 1544.870719][ T3746] usb 1-1: config 0 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 1544.893665][ T3746] usb 1-1: New USB device found, idVendor=03f0, idProduct=6c17, bcdDevice= 0.40 [ 1544.918372][ T3746] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1545.641537][ T3746] usb 1-1: config 0 descriptor?? [ 1552.278921][ T3746] usblp 1-1:0.0: usblp0: USB Bidirectional printer dev 7 if 0 alt 0 proto 3 vid 0x03F0 pid 0x6C17 [ 1557.792070][ T3220] usb 1-1: USB disconnect, device number 7 [ 1558.763465][ T3220] usblp0: removed [ 1568.971871][ T3746] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 1571.752963][ T3746] usb 1-1: New USB device found, idVendor=1164, idProduct=0622, bcdDevice= 1.00 [ 1571.758977][ T3746] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1571.777640][ T3746] usb 1-1: Product: syz [ 1571.790153][ T3746] usb 1-1: Manufacturer: syz [ 1571.792952][ T3746] usb 1-1: SerialNumber: syz [ 1593.047729][ T3784] usb 1-1: USB disconnect, device number 8 [ 1619.525175][ T3845] usb 1-1: new high-speed USB device number 9 using dummy_hcd [ 1620.870042][ T3845] usb 1-1: New USB device found, idVendor=13d3, idProduct=3275, bcdDevice= 0.00 [ 1620.875112][ T3845] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 1620.879909][ T3845] usb 1-1: Product: syz [ 1620.880797][ T3845] usb 1-1: Manufacturer: syz [ 1625.530477][ T3746] usb 1-1: USB disconnect, device number 9 [ 1626.908049][ T3847] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 1630.041541][ T3847] usb 2-1: New USB device found, idVendor=0bda, idProduct=8156, bcdDevice=30.00 [ 1630.045512][ T3847] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1630.046782][ T3847] usb 2-1: Product: syz [ 1630.047818][ T3847] usb 2-1: Manufacturer: syz [ 1630.048981][ T3847] usb 2-1: SerialNumber: syz [ 1630.384489][ T3847] r8152-cfgselector 2-1: Unknown version 0x0000 [ 1632.958296][ T3847] r8152-cfgselector 2-1: reset high-speed USB device number 2 using dummy_hcd [ 1635.878697][ T3847] r8152 2-1:1.0: USB reset failed, errno=-19 [ 1637.092579][ T3847] r8152-cfgselector 2-1: USB disconnect, device number 2 [ 1676.152345][ T3996] Zero length message leads to an empty skb [ 1688.378013][ T3762] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 1688.891907][ T3762] usb 2-1: New USB device found, idVendor=0a99, idProduct=0001, bcdDevice= 0.00 [ 1688.896688][ T3762] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 1688.899982][ T3762] usb 2-1: Product: syz [ 1688.907727][ T3762] usb 2-1: Manufacturer: syz [ 1689.572646][ T3762] navman 2-1:1.0: navman converter detected [ 1690.322324][ T3762] usb 2-1: navman converter now attached to ttyUSB0 [ 1707.768389][ T3855] usb 2-1: USB disconnect, device number 3 [ 1709.112570][ T3855] navman ttyUSB0: navman converter now disconnected from ttyUSB0 [ 1709.259879][ T3855] navman 2-1:1.0: device disconnected [ 1716.500320][ T3876] usb 2-1: new high-speed USB device number 4 using dummy_hcd [ 1717.195992][ T3876] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 64 [ 1717.220342][ T3876] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0x2 has invalid maxpacket 64 [ 1717.455111][ T3876] usb 2-1: New USB device found, idVendor=1234, idProduct=5678, bcdDevice= 1.00 [ 1717.458909][ T3876] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1717.464900][ T3876] usb 2-1: Product: syz [ 1717.468158][ T3876] usb 2-1: Manufacturer: syz [ 1717.472247][ T3876] usb 2-1: SerialNumber: syz [ 1718.221326][ T4047] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 1718.266087][ T4047] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 1718.482357][ T3876] usb-storage 2-1:1.0: USB Mass Storage device detected [ 1718.688907][ T3876] scsi host0: usb-storage 2-1:1.0 [ 1722.681197][ T3762] usb 2-1: USB disconnect, device number 4 [ 1729.672696][ T3847] usb 1-1: new high-speed USB device number 10 using dummy_hcd [ 1731.092137][ T3847] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 64 [ 1731.107036][ T3847] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x2 has invalid maxpacket 64 [ 1731.841961][ T3847] usb 1-1: New USB device found, idVendor=10c4, idProduct=ea60, bcdDevice= 1.00 [ 1731.857240][ T3847] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1731.875788][ T3847] usb 1-1: Product: syz [ 1731.899870][ T3847] usb 1-1: Manufacturer: syz [ 1731.911987][ T3847] usb 1-1: SerialNumber: syz [ 1732.590687][ T4077] raw-gadget.0 gadget.0: fail, usb_ep_enable returned -22 [ 1732.710035][ T4077] raw-gadget.0 gadget.0: fail, usb_ep_enable returned -22 [ 1732.845481][ T3847] cp210x 1-1:1.0: cp210x converter detected [ 1736.200483][ T3847] cp210x 1-1:1.0: failed to get vendor val 0x370b size 1: -71 [ 1736.213226][ T3847] cp210x 1-1:1.0: querying part number failed [ 1736.605769][ T3847] usb 1-1: cp210x converter now attached to ttyUSB0 [ 1737.081784][ T3847] usb 1-1: USB disconnect, device number 10 [ 1738.178988][ T3847] cp210x ttyUSB0: cp210x converter now disconnected from ttyUSB0 [ 1738.323697][ T3847] cp210x 1-1:1.0: device disconnected [ 1740.298967][ T3899] usb 2-1: new full-speed USB device number 5 using dummy_hcd [ 1741.663281][ T3899] usb 2-1: config index 0 descriptor too short (expected 41, got 36) [ 1742.022107][ T3899] usb 2-1: New USB device found, idVendor=0d46, idProduct=2011, bcdDevice= 1.00 [ 1742.025415][ T3899] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 1742.027105][ T3899] usb 2-1: Product: syz [ 1742.028553][ T3899] usb 2-1: Manufacturer: syz [ 1742.256093][ T3899] kobil_sct 2-1:1.0: KOBIL USB smart card terminal converter detected [ 1742.390165][ T3899] usb 2-1: KOBIL USB smart card terminal converter now attached to ttyUSB0 [ 1747.113198][ T10] usb 2-1: USB disconnect, device number 5 [ 1747.738625][ T10] kobil ttyUSB0: KOBIL USB smart card terminal converter now disconnected from ttyUSB0 [ 1747.793304][ T10] kobil_sct 2-1:1.0: device disconnected [ 1784.876395][ T3746] usb 1-1: new high-speed USB device number 11 using dummy_hcd [ 1785.223314][ T3746] usb 1-1: Dual-Role OTG device on HNP port [ 1785.250776][ T3746] usb 1-1: New USB device found, idVendor=1234, idProduct=5678, bcdDevice= 7.02 [ 1785.259100][ T3746] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1786.598573][ T3746] cdc_acm 1-1:1.0: ttyACM0: USB ACM device [ 1790.158420][ T3847] usb 2-1: new high-speed USB device number 6 using dummy_hcd [ 1793.031260][ T3847] usb 2-1: New USB device found, idVendor=05c5, idProduct=0002, bcdDevice= 1.00 [ 1793.035785][ T3847] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1793.039027][ T3847] usb 2-1: Product: syz [ 1793.042555][ T3847] usb 2-1: Manufacturer: syz [ 1793.047393][ T3847] usb 2-1: SerialNumber: syz [ 1794.259249][ T3847] digi_acceleport 2-1:1.0: Digi 2 port USB adapter converter detected [ 1794.838030][ T3847] usb 2-1: Digi 2 port USB adapter converter now attached to ttyUSB0 [ 1795.231508][ T3847] usb 2-1: Digi 2 port USB adapter converter now attached to ttyUSB1 [ 1795.678484][ T3847] usb 2-1: Digi 2 port USB adapter converter now attached to ttyUSB2 [ 1798.030485][ T3746] usb 2-1: USB disconnect, device number 6 [ 1799.028092][ T3746] digi_2 ttyUSB0: Digi 2 port USB adapter converter now disconnected from ttyUSB0 [ 1799.331547][ T3746] digi_2 ttyUSB1: Digi 2 port USB adapter converter now disconnected from ttyUSB1 [ 1800.105948][ T3746] digi_2 ttyUSB2: Digi 2 port USB adapter converter now disconnected from ttyUSB2 [ 1800.149874][ T4222] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 1800.471636][ T3746] digi_acceleport 2-1:1.0: device disconnected [ 1800.711711][ T4222] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 1809.177418][ T3746] usb 2-1: new high-speed USB device number 7 using dummy_hcd [ 1809.556021][ T3746] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 64 [ 1809.558821][ T3746] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0x2 has invalid maxpacket 64 [ 1809.752215][ T3746] usb 2-1: New USB device found, idVendor=0c4b, idProduct=0100, bcdDevice= 1.00 [ 1809.753785][ T3746] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1809.758465][ T3746] usb 2-1: Product: syz [ 1809.759418][ T3746] usb 2-1: Manufacturer: syz [ 1809.760286][ T3746] usb 2-1: SerialNumber: syz [ 1809.932219][ T4235] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 1809.959663][ T4240] PM: suspend entry (s2idle) [ 1809.997071][ T4240] PM: Unsupported test mode for suspend to idle, please choose none/freezer/devices/platform. [ 1810.030542][ T4240] PM: suspend exit [ 1810.050123][ T4235] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 1810.303280][ T3746] cyberjack 2-1:1.0: Reiner SCT Cyberjack USB card reader converter detected [ 1810.833328][ T3746] usb 2-1: Reiner SCT Cyberjack USB card reader converter now attached to ttyUSB0 [ 1817.369128][ T3845] usb 2-1: USB disconnect, device number 7 [ 1817.989427][ T3845] cyberjack ttyUSB0: Reiner SCT Cyberjack USB card reader converter now disconnected from ttyUSB0 [ 1818.033744][ T3845] cyberjack 2-1:1.0: device disconnected [ 1829.680800][ T4265] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 1829.780630][ T4265] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 1842.529126][ T3846] usb 2-1: new high-speed USB device number 8 using dummy_hcd [ 1843.783829][ T3846] usb 2-1: config 1 interface 0 altsetting 0 has an endpoint descriptor with address 0xCE, changing to 0x8E [ 1843.795114][ T3846] usb 2-1: config 1 interface 0 altsetting 0 endpoint 0x8E has invalid maxpacket 999, setting to 64 [ 1844.050575][ T3846] usb 2-1: New USB device found, idVendor=2a39, idProduct=3fd4, bcdDevice= 0.40 [ 1844.052178][ T3846] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1844.053689][ T3846] usb 2-1: Product: syz [ 1844.058204][ T3846] usb 2-1: Manufacturer: syz [ 1844.059741][ T3846] usb 2-1: SerialNumber: syz [ 1846.143218][ T3846] usb 2-1: Quirk or no altset; falling back to MIDI 1.0 [ 1846.146944][ T3846] usb 2-1: MIDIStreaming interface descriptor not found [ 1848.433345][ T3846] usb 2-1: USB disconnect, device number 8 [ 1853.065389][ T4309] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 1853.130091][ T4309] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 1856.828938][ T3845] usb 2-1: new high-speed USB device number 9 using dummy_hcd [ 1858.173737][ T3845] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 64 [ 1858.181122][ T3845] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0x2 has invalid maxpacket 64 [ 1858.483884][ T3845] usb 2-1: New USB device found, idVendor=187f, idProduct=0100, bcdDevice= 0.00 [ 1858.486165][ T3845] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 1858.489438][ T3845] usb 2-1: Product: syz [ 1858.490813][ T3845] usb 2-1: Manufacturer: syz [ 1858.827021][ T4313] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 1858.892151][ T4313] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 1861.669959][ T3855] usb 2-1: USB disconnect, device number 9 [ 1871.809211][ T3225] FAULT_INJECTION: forcing a failure. [ 1871.809211][ T3225] name failslab, interval 1, probability 100, space 0, times 100 [ 1871.812267][ T3225] CPU: 1 UID: 0 PID: 3225 Comm: syz-executor Not tainted syzkaller #0 PREEMPT [ 1871.812722][ T3225] Hardware name: riscv-virtio,qemu (DT) [ 1871.813149][ T3225] Call Trace: [ 1871.813437][ T3225] [] dump_backtrace+0x2e/0x3c [ 1871.815045][ T3225] [] show_stack+0x30/0x3c [ 1871.815357][ T3225] [] dump_stack_lvl+0x114/0x1aa [ 1871.815867][ T3225] [] dump_stack+0x1c/0x24 [ 1871.816303][ T3225] [] should_fail_ex+0x5ac/0x5b6 [ 1871.816636][ T3225] [] should_failslab+0xb2/0xfa [ 1871.817059][ T3225] [] __kmalloc_node_noprof+0xd6/0x8be [ 1871.817423][ T3225] [] __vmalloc_node_range_noprof+0x374/0x1b34 [ 1871.817863][ T3225] [] vzalloc_noprof+0xf4/0x124 [ 1871.818278][ T3225] [] do_ip6t_get_ctl+0x5e8/0x9be [ 1871.818571][ T4333] FAULT_INJECTION: forcing a failure. [ 1871.818571][ T4333] name failslab, interval 1, probability 100, space 0, times 99 [ 1871.818624][ T3225] [] nf_getsockopt+0x6e/0xd2 [ 1871.819073][ T3225] [] ipv6_getsockopt+0x412/0x954 [ 1871.819424][ T3225] [] tcp_getsockopt+0x8c/0xde [ 1871.819748][ T3225] [] sock_common_getsockopt+0x86/0xb8 [ 1871.820148][ T3225] [] do_sock_getsockopt+0x686/0x81e [ 1871.820478][ T3225] [] __sys_getsockopt+0xd6/0x16e [ 1871.820857][ T3225] [] __riscv_sys_getsockopt+0xa6/0x114 [ 1871.821227][ T3225] [] syscall_handler+0x92/0x114 [ 1871.821582][ T3225] [] do_trap_ecall_u+0x3e4/0x636 [ 1871.822084][ T3225] [] handle_exception+0x168/0x174 [ 1871.829804][ T3400] FAULT_INJECTION: forcing a failure. [ 1871.829804][ T3400] name failslab, interval 1, probability 100, space 0, times 99 [ 1871.830573][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1871.830951][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1871.831382][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1871.832111][ T3400] Call Trace: [ 1871.832286][ T3400] [] dump_backtrace+0x2e/0x3c [ 1871.832949][ T3400] [] show_stack+0x30/0x3c [ 1871.833327][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1871.834049][ T3400] [] dump_stack+0x1c/0x24 [ 1871.834549][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1871.834902][ T3400] [] should_failslab+0xb2/0xfa [ 1871.835336][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1871.835757][ T3400] [] __alloc_skb+0x17c/0x768 [ 1871.836133][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1871.836498][ T3400] [] process_one_work+0x90a/0x20a0 [ 1871.836964][ T3400] [] worker_thread+0x532/0xcaa [ 1871.837493][ T3400] [] kthread+0x312/0x438 [ 1871.837990][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1871.838453][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1871.842690][ T3400] FAULT_INJECTION: forcing a failure. [ 1871.842690][ T3400] name failslab, interval 1, probability 100, space 0, times 98 [ 1871.843211][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1871.843528][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1871.843673][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1871.844090][ T3400] Call Trace: [ 1871.844196][ T3400] [] dump_backtrace+0x2e/0x3c [ 1871.844612][ T3400] [] show_stack+0x30/0x3c [ 1871.845113][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1871.845805][ T3400] [] dump_stack+0x1c/0x24 [ 1871.846557][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1871.847188][ T3400] [] should_failslab+0xb2/0xfa [ 1871.847683][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1871.848188][ T3400] [] __alloc_skb+0x17c/0x768 [ 1871.848795][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1871.849299][ T3400] [] process_one_work+0x90a/0x20a0 [ 1871.849769][ T3400] [] worker_thread+0x532/0xcaa [ 1871.850238][ T3400] [] kthread+0x312/0x438 [ 1871.850674][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1871.851067][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1871.852151][ T3400] FAULT_INJECTION: forcing a failure. [ 1871.852151][ T3400] name failslab, interval 1, probability 100, space 0, times 97 [ 1871.852671][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1871.853043][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1871.853184][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1871.853529][ T3400] Call Trace: [ 1871.853631][ T3400] [] dump_backtrace+0x2e/0x3c [ 1871.854059][ T3400] [] show_stack+0x30/0x3c [ 1871.854343][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1871.854764][ T3400] [] dump_stack+0x1c/0x24 [ 1871.855178][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1871.855488][ T3400] [] should_failslab+0xb2/0xfa [ 1871.855924][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1871.856329][ T3400] [] __alloc_skb+0x17c/0x768 [ 1871.856741][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1871.857143][ T3400] [] process_one_work+0x90a/0x20a0 [ 1871.857629][ T3400] [] worker_thread+0x532/0xcaa [ 1871.858173][ T3400] [] kthread+0x312/0x438 [ 1871.858579][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1871.859020][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1871.860097][ C1] FAULT_INJECTION: forcing a failure. [ 1871.860097][ C1] name failslab, interval 1, probability 100, space 0, times 97 [ 1871.872002][ C1] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1871.872650][ C1] Hardware name: riscv-virtio,qemu (DT) [ 1871.872926][ C1] Workqueue: events_unbound nsim_dev_trap_report_work [ 1871.873531][ C1] Call Trace: [ 1871.873423][ T3035] FAULT_INJECTION: forcing a failure. [ 1871.873423][ T3035] name failslab, interval 1, probability 100, space 0, times 95 [ 1871.873649][ C1] [] dump_backtrace+0x2e/0x3c [ 1871.874157][ C1] [] show_stack+0x30/0x3c [ 1871.874490][ C1] [] dump_stack_lvl+0x114/0x1aa [ 1871.874988][ C1] [] dump_stack+0x1c/0x24 [ 1871.875543][ C1] [] should_fail_ex+0x5ac/0x5b6 [ 1871.875985][ C1] [] should_failslab+0xb2/0xfa [ 1871.876420][ C1] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1871.876964][ C1] [] __alloc_skb+0x17c/0x768 [ 1871.877376][ C1] [] wg_packet_send_keepalive+0x78/0x2c8 [ 1871.877967][ C1] [] wg_expired_send_persistent_keepalive+0x5c/0x7a [ 1871.878634][ C1] [] call_timer_fn+0x1e0/0xc5c [ 1871.879197][ C1] [] __run_timers+0x8a2/0xd92 [ 1871.879659][ C1] [] run_timer_base+0x136/0x1b6 [ 1871.880151][ C1] [] run_timer_softirq+0x1c/0x52 [ 1871.880735][ C1] [] handle_softirqs+0x452/0x13ba [ 1871.881287][ C1] [] __irq_exit_rcu+0x4ac/0x86a [ 1871.881720][ C1] [] irq_exit_rcu+0x10/0xf2 [ 1871.882129][ C1] [] handle_riscv_irq+0x40/0x4a [ 1871.882555][ C1] [] call_on_irq_stack+0x32/0x40 [ 1871.886430][ T3400] FAULT_INJECTION: forcing a failure. [ 1871.886430][ T3400] name failslab, interval 1, probability 100, space 0, times 93 [ 1871.887045][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1871.887457][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1871.887630][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1871.888178][ T3400] Call Trace: [ 1871.888337][ T3400] [] dump_backtrace+0x2e/0x3c [ 1871.888829][ T3400] [] show_stack+0x30/0x3c [ 1871.889178][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1871.889727][ T3400] [] dump_stack+0x1c/0x24 [ 1871.890223][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1871.890606][ T3400] [] should_failslab+0xb2/0xfa [ 1871.891023][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1871.891459][ T3400] [] __alloc_skb+0x17c/0x768 [ 1871.891833][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1871.892278][ T3400] [] process_one_work+0x90a/0x20a0 [ 1871.892784][ T3400] [] worker_thread+0x532/0xcaa [ 1871.893377][ T3400] [] kthread+0x312/0x438 [ 1871.893811][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1871.894228][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1871.897492][ T3225] syz-executor: vmalloc error: size 4096, failed to allocated page array size 8, mode:0xdc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0 [ 1871.901183][ T4333] CPU: 0 UID: 0 PID: 4333 Comm: syz.1.66 Not tainted syzkaller #0 PREEMPT [ 1871.901484][ T3225] [ 1871.901654][ T4333] Hardware name: riscv-virtio,qemu (DT) [ 1871.901783][ T4333] Call Trace: [ 1871.901910][ T4333] [] dump_backtrace+0x2e/0x3c [ 1871.902499][ T4333] [] show_stack+0x30/0x3c [ 1871.902917][ T4333] [] dump_stack_lvl+0x114/0x1aa [ 1871.903466][ T4333] [] dump_stack+0x1c/0x24 [ 1871.904023][ T4333] [] should_fail_ex+0x5ac/0x5b6 [ 1871.904451][ T4333] [] should_failslab+0xb2/0xfa [ 1871.904902][ T4333] [] __kmalloc_noprof+0xd2/0x8cc [ 1871.905273][ T4333] [] tomoyo_realpath_from_path+0xac/0x5ea [ 1871.905638][ T4333] [] tomoyo_path_number_perm+0x268/0x586 [ 1871.905978][ T4333] [] tomoyo_file_ioctl+0x28/0x34 [ 1871.906343][ T4333] [] security_file_ioctl+0xee/0x282 [ 1871.906863][ T4333] [] __riscv_sys_ioctl+0xae/0x1e2 [ 1871.907332][ T4333] [] syscall_handler+0x92/0x114 [ 1871.907827][ T4333] [] do_trap_ecall_u+0x3e4/0x636 [ 1871.908197][ T4333] [] handle_exception+0x168/0x174 [ 1871.910442][ T4333] ERROR: Out of memory at tomoyo_realpath_from_path. [ 1871.913450][ T3035] CPU: 0 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1871.913873][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1871.914018][ T3035] Call Trace: [ 1871.914136][ T3035] [] dump_backtrace+0x2e/0x3c [ 1871.914665][ T3035] [] show_stack+0x30/0x3c [ 1871.915044][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1871.915588][ T3035] [] dump_stack+0x1c/0x24 [ 1871.916060][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1871.916444][ T3035] [] should_failslab+0xb2/0xfa [ 1871.916965][ T3035] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1871.917425][ T3035] [] sock_alloc_inode+0x34/0x254 [ 1871.917860][ T3035] [] alloc_inode+0x60/0x204 [ 1871.918311][ T3035] [] sock_alloc+0x40/0x23a [ 1871.918670][ T3035] [] __sock_create+0xcc/0x8d4 [ 1871.919077][ T3035] [] __sys_socket+0x152/0x260 [ 1871.919474][ T3035] [] __riscv_sys_socket+0x70/0xa2 [ 1871.919863][ T3035] [] syscall_handler+0x92/0x114 [ 1871.920362][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1871.920757][ T3035] [] handle_exception+0x168/0x174 [ 1871.926665][ T55] FAULT_INJECTION: forcing a failure. [ 1871.926665][ T55] name failslab, interval 1, probability 100, space 0, times 90 [ 1871.927299][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1871.927631][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1871.927868][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1871.928376][ T55] Call Trace: [ 1871.928487][ T55] [] dump_backtrace+0x2e/0x3c [ 1871.929028][ T55] [] show_stack+0x30/0x3c [ 1871.929387][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1871.929908][ T55] [] dump_stack+0x1c/0x24 [ 1871.930419][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1871.930799][ T55] [] should_failslab+0xb2/0xfa [ 1871.931203][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1871.931612][ T55] [] __alloc_skb+0x17c/0x768 [ 1871.932066][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1871.932481][ T55] [] process_one_work+0x90a/0x20a0 [ 1871.933020][ T55] [] worker_thread+0x532/0xcaa [ 1871.933462][ T55] [] kthread+0x312/0x438 [ 1871.933880][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1871.934299][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1871.935648][ T55] FAULT_INJECTION: forcing a failure. [ 1871.935648][ T55] name failslab, interval 1, probability 100, space 0, times 89 [ 1871.938853][ T3035] socket: no more sockets [ 1871.938848][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1871.939167][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1871.939308][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1871.939664][ T55] Call Trace: [ 1871.939765][ T55] [] dump_backtrace+0x2e/0x3c [ 1871.940154][ T55] [] show_stack+0x30/0x3c [ 1871.940444][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1871.940898][ T55] [] dump_stack+0x1c/0x24 [ 1871.941304][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1871.941615][ T55] [] should_failslab+0xb2/0xfa [ 1871.941977][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1871.942327][ T55] [] __alloc_skb+0x17c/0x768 [ 1871.942648][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1871.942993][ T55] [] process_one_work+0x90a/0x20a0 [ 1871.943402][ T55] [] worker_thread+0x532/0xcaa [ 1871.943840][ T55] [] kthread+0x312/0x438 [ 1871.944289][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1871.944660][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1871.947048][ T55] FAULT_INJECTION: forcing a failure. [ 1871.947048][ T55] name failslab, interval 1, probability 100, space 0, times 87 [ 1871.947550][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1871.947860][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1871.947997][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1871.948338][ T55] Call Trace: [ 1871.948442][ T55] [] dump_backtrace+0x2e/0x3c [ 1871.948835][ T55] [] show_stack+0x30/0x3c [ 1871.949123][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1871.949540][ T55] [] dump_stack+0x1c/0x24 [ 1871.949949][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1871.950259][ T55] [] should_failslab+0xb2/0xfa [ 1871.950610][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1871.950986][ T55] [] __alloc_skb+0x17c/0x768 [ 1871.951310][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1871.951658][ T55] [] process_one_work+0x90a/0x20a0 [ 1871.952077][ T55] [] worker_thread+0x532/0xcaa [ 1871.952478][ T55] [] kthread+0x312/0x438 [ 1871.952892][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1871.953225][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1871.953689][ T55] FAULT_INJECTION: forcing a failure. [ 1871.953689][ T55] name failslab, interval 1, probability 100, space 0, times 86 [ 1871.957935][ T3225] CPU: 0 UID: 0 PID: 3225 Comm: syz-executor Not tainted syzkaller #0 PREEMPT [ 1871.958374][ T3225] Hardware name: riscv-virtio,qemu (DT) [ 1871.958505][ T3225] Call Trace: [ 1871.958625][ T3225] [] dump_backtrace+0x2e/0x3c [ 1871.959313][ T3225] [] show_stack+0x30/0x3c [ 1871.959822][ T3225] [] dump_stack_lvl+0x114/0x1aa [ 1871.960337][ T3225] [] dump_stack+0x1c/0x24 [ 1871.960915][ T3225] [] warn_alloc+0x176/0x18c [ 1871.961308][ T3225] [] __vmalloc_node_range_noprof+0x16c8/0x1b34 [ 1871.961786][ T3225] [] vzalloc_noprof+0xf4/0x124 [ 1871.962185][ T3225] [] do_ip6t_get_ctl+0x5e8/0x9be [ 1871.962565][ T3225] [] nf_getsockopt+0x6e/0xd2 [ 1871.963049][ T3225] [] ipv6_getsockopt+0x412/0x954 [ 1871.963512][ T3225] [] tcp_getsockopt+0x8c/0xde [ 1871.963860][ T3225] [] sock_common_getsockopt+0x86/0xb8 [ 1871.964309][ T3225] [] do_sock_getsockopt+0x686/0x81e [ 1871.964759][ T3225] [] __sys_getsockopt+0xd6/0x16e [ 1871.965205][ T3225] [] __riscv_sys_getsockopt+0xa6/0x114 [ 1871.965614][ T3225] [] syscall_handler+0x92/0x114 [ 1871.966076][ T3225] [] do_trap_ecall_u+0x3e4/0x636 [ 1871.966466][ T3225] [] handle_exception+0x168/0x174 [ 1871.970308][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1871.970694][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1871.970806][ T4333] FAULT_INJECTION: forcing a failure. [ 1871.970806][ T4333] name failslab, interval 1, probability 100, space 0, times 86 [ 1871.970851][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1871.971152][ T55] [ 1871.971389][ T55] Call Trace: [ 1871.971495][ T55] [] dump_backtrace+0x2e/0x3c [ 1871.971953][ T55] [] show_stack+0x30/0x3c [ 1871.972260][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1871.972767][ T55] [] dump_stack+0x1c/0x24 [ 1871.973231][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1871.973559][ T55] [] should_failslab+0xb2/0xfa [ 1871.973987][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1871.974366][ T55] [] __alloc_skb+0x17c/0x768 [ 1871.974731][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1871.975106][ T55] [] process_one_work+0x90a/0x20a0 [ 1871.975533][ T55] [] worker_thread+0x532/0xcaa [ 1871.976039][ T55] [] kthread+0x312/0x438 [ 1871.976555][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1871.977026][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1871.980738][ T3400] FAULT_INJECTION: forcing a failure. [ 1871.980738][ T3400] name failslab, interval 1, probability 100, space 0, times 85 [ 1871.983672][ T3225] Mem-Info: [ 1871.986205][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1871.986538][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1871.986687][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1871.986794][ T3035] FAULT_INJECTION: forcing a failure. [ 1871.986794][ T3035] name failslab, interval 1, probability 100, space 0, times 85 [ 1871.986985][ T3400] [ 1871.987066][ T3400] Call Trace: [ 1871.987162][ T3400] [] dump_backtrace+0x2e/0x3c [ 1871.987602][ T3400] [] show_stack+0x30/0x3c [ 1871.987901][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1871.988437][ T3400] [] dump_stack+0x1c/0x24 [ 1871.989167][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1871.989715][ T3400] [] should_failslab+0xb2/0xfa [ 1871.990340][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1871.990722][ T3400] [] __alloc_skb+0x17c/0x768 [ 1871.991082][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1871.991461][ T3400] [] process_one_work+0x90a/0x20a0 [ 1871.991909][ T3400] [] worker_thread+0x532/0xcaa [ 1871.992332][ T3400] [] kthread+0x312/0x438 [ 1871.992736][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1871.993131][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1871.993630][ T3400] FAULT_INJECTION: forcing a failure. [ 1871.993630][ T3400] name failslab, interval 1, probability 100, space 0, times 84 [ 1871.995921][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1871.996252][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1871.996396][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1871.996760][ T3400] Call Trace: [ 1871.996905][ T3400] [] dump_backtrace+0x2e/0x3c [ 1871.997297][ T3400] [] show_stack+0x30/0x3c [ 1871.997583][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1871.998026][ T3400] [] dump_stack+0x1c/0x24 [ 1871.998448][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1871.998760][ T3400] [] should_failslab+0xb2/0xfa [ 1871.999117][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1871.999479][ T3400] [] __alloc_skb+0x17c/0x768 [ 1871.999801][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.000266][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.000785][ T3400] [] worker_thread+0x532/0xcaa [ 1872.001260][ T3400] [] kthread+0x312/0x438 [ 1872.001652][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.002009][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.002506][ T3400] FAULT_INJECTION: forcing a failure. [ 1872.002506][ T3400] name failslab, interval 1, probability 100, space 0, times 83 [ 1872.003122][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1872.003622][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1872.003859][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.004460][ T3400] Call Trace: [ 1872.004661][ T3400] [] dump_backtrace+0x2e/0x3c [ 1872.005141][ T3400] [] show_stack+0x30/0x3c [ 1872.005467][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1872.006057][ T3400] [] dump_stack+0x1c/0x24 [ 1872.006531][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1872.006887][ T3400] [] should_failslab+0xb2/0xfa [ 1872.007372][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.007839][ T3400] [] __alloc_skb+0x17c/0x768 [ 1872.008219][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.008656][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.009169][ T3400] [] worker_thread+0x532/0xcaa [ 1872.009716][ T3400] [] kthread+0x312/0x438 [ 1872.010199][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.010628][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.012596][ T3400] FAULT_INJECTION: forcing a failure. [ 1872.012596][ T3400] name failslab, interval 1, probability 100, space 0, times 82 [ 1872.014876][ T4333] CPU: 0 UID: 0 PID: 4333 Comm: syz.1.66 Not tainted syzkaller #0 PREEMPT [ 1872.015346][ T4333] Hardware name: riscv-virtio,qemu (DT) [ 1872.015483][ T4333] Call Trace: [ 1872.015609][ T4333] [] dump_backtrace+0x2e/0x3c [ 1872.016172][ T4333] [] show_stack+0x30/0x3c [ 1872.016607][ T4333] [] dump_stack_lvl+0x114/0x1aa [ 1872.017263][ T4333] [] dump_stack+0x1c/0x24 [ 1872.017884][ T4333] [] should_fail_ex+0x5ac/0x5b6 [ 1872.018409][ T4333] [] should_failslab+0xb2/0xfa [ 1872.018906][ T4333] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1872.019341][ T4333] [] __d_alloc+0x4c/0x8e0 [ 1872.019876][ T4333] [] d_alloc_pseudo+0x20/0xac [ 1872.020440][ T4333] [] alloc_file_pseudo+0x10c/0x264 [ 1872.020868][ T4333] [] anon_inode_getfile_fmode+0xc0/0x20c [ 1872.021304][ T4333] [] kvm_vm_ioctl+0x1986/0x3520 [ 1872.021749][ T4333] [] __riscv_sys_ioctl+0x17c/0x1e2 [ 1872.022211][ T4333] [] syscall_handler+0x92/0x114 [ 1872.022677][ T4333] [] do_trap_ecall_u+0x3e4/0x636 [ 1872.023084][ T4333] [] handle_exception+0x168/0x174 [ 1872.027164][ T3225] active_anon:3743 inactive_anon:0 isolated_anon:0 [ 1872.027164][ T3225] active_file:0 inactive_file:42782 isolated_file:0 [ 1872.027164][ T3225] unevictable:768 dirty:21 writeback:0 [ 1872.027164][ T3225] slab_reclaimable:2604 slab_unreclaimable:26446 [ 1872.027164][ T3225] mapped:12548 shmem:806 pagetables:711 [ 1872.027164][ T3225] sec_pagetables:0 bounce:0 [ 1872.027164][ T3225] kernel_misc_reclaimable:0 [ 1872.027164][ T3225] free:213395 free_pcp:4974 free_cma:52672 [ 1872.028465][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1872.028881][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1872.029037][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.029451][ T3400] Call Trace: [ 1872.029560][ T3400] [] dump_backtrace+0x2e/0x3c [ 1872.029990][ T3400] [] show_stack+0x30/0x3c [ 1872.030302][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1872.030806][ T3400] [] dump_stack+0x1c/0x24 [ 1872.031311][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1872.031699][ T3400] [] should_failslab+0xb2/0xfa [ 1872.032088][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.032461][ T3400] [] __alloc_skb+0x17c/0x768 [ 1872.032871][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.033242][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.033687][ T3400] [] worker_thread+0x532/0xcaa [ 1872.034270][ T3400] [] kthread+0x312/0x438 [ 1872.034680][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.035056][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.037777][ T55] FAULT_INJECTION: forcing a failure. [ 1872.037777][ T55] name failslab, interval 1, probability 100, space 0, times 81 [ 1872.038775][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.039192][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.039348][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.039880][ T55] Call Trace: [ 1872.040087][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.040553][ T55] [] show_stack+0x30/0x3c [ 1872.040944][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.041536][ T55] [] dump_stack+0x1c/0x24 [ 1872.042046][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.042406][ T55] [] should_failslab+0xb2/0xfa [ 1872.042946][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.043392][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.043833][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.044282][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.044764][ T55] [] worker_thread+0x532/0xcaa [ 1872.045245][ T55] [] kthread+0x312/0x438 [ 1872.045692][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.046135][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.047290][ T55] FAULT_INJECTION: forcing a failure. [ 1872.047290][ T55] name failslab, interval 1, probability 100, space 0, times 80 [ 1872.047790][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.048107][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.048248][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.048603][ T55] Call Trace: [ 1872.048703][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.049125][ T55] [] show_stack+0x30/0x3c [ 1872.049408][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.049825][ T55] [] dump_stack+0x1c/0x24 [ 1872.050243][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.050552][ T55] [] should_failslab+0xb2/0xfa [ 1872.050908][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.051257][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.051576][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.051927][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.052336][ T55] [] worker_thread+0x532/0xcaa [ 1872.052772][ T55] [] kthread+0x312/0x438 [ 1872.053188][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.053528][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.054481][ T55] FAULT_INJECTION: forcing a failure. [ 1872.054481][ T55] name failslab, interval 1, probability 100, space 0, times 79 [ 1872.062091][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.062418][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.062566][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.062963][ T55] Call Trace: [ 1872.063066][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.063541][ T55] [] show_stack+0x30/0x3c [ 1872.063828][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.064317][ T55] [] dump_stack+0x1c/0x24 [ 1872.064780][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.065119][ T55] [] should_failslab+0xb2/0xfa [ 1872.065508][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.065872][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.066191][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.066531][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.066985][ T55] [] worker_thread+0x532/0xcaa [ 1872.067422][ T55] [] kthread+0x312/0x438 [ 1872.067788][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.068158][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.069049][ T3035] CPU: 0 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1872.069483][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1872.069607][ T3035] Call Trace: [ 1872.069722][ T3035] [] dump_backtrace+0x2e/0x3c [ 1872.070286][ T3035] [] show_stack+0x30/0x3c [ 1872.070652][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1872.071197][ T3035] [] dump_stack+0x1c/0x24 [ 1872.071716][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1872.072149][ T3035] [] should_failslab+0xb2/0xfa [ 1872.072614][ T3035] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1872.073159][ T3035] [] sock_alloc_inode+0x34/0x254 [ 1872.073717][ T3035] [] alloc_inode+0x60/0x204 [ 1872.074176][ T3035] [] sock_alloc+0x40/0x23a [ 1872.074616][ T3035] [] __sock_create+0xcc/0x8d4 [ 1872.075093][ T3035] [] __sys_socket+0x152/0x260 [ 1872.075609][ T3035] [] __riscv_sys_socket+0x70/0xa2 [ 1872.076346][ T3035] [] syscall_handler+0x92/0x114 [ 1872.076921][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1872.077395][ T3035] [] handle_exception+0x168/0x174 [ 1872.082292][ T3225] Node 0 active_anon:14972kB inactive_anon:0kB active_file:0kB inactive_file:171128kB unevictable:3072kB isolated(anon):0kB isolated(file):0kB mapped:50192kB dirty:84kB writeback:0kB shmem:3224kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:6120kB pagetables:2844kB sec_pagetables:0kB all_unreclaimable? no Balloon:0kB gpu_active:0kB gpu_reclaim:0kB [ 1872.085569][ T55] FAULT_INJECTION: forcing a failure. [ 1872.085569][ T55] name failslab, interval 1, probability 100, space 0, times 77 [ 1872.086324][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.086650][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.086796][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.087190][ T55] Call Trace: [ 1872.087294][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.087699][ T55] [] show_stack+0x30/0x3c [ 1872.088003][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.088459][ T55] [] dump_stack+0x1c/0x24 [ 1872.088944][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.089270][ T55] [] should_failslab+0xb2/0xfa [ 1872.089628][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.089994][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.090320][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.090665][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.091087][ T55] [] worker_thread+0x532/0xcaa [ 1872.091483][ T55] [] kthread+0x312/0x438 [ 1872.091849][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.092183][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.099042][ T3400] FAULT_INJECTION: forcing a failure. [ 1872.099042][ T3400] name failslab, interval 1, probability 100, space 0, times 76 [ 1872.100900][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1872.101659][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1872.101935][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.102631][ T3400] Call Trace: [ 1872.102780][ T3400] [] dump_backtrace+0x2e/0x3c [ 1872.103351][ T3400] [] show_stack+0x30/0x3c [ 1872.103724][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1872.104382][ T3400] [] dump_stack+0x1c/0x24 [ 1872.104900][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1872.105255][ T3400] [] should_failslab+0xb2/0xfa [ 1872.105643][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.106012][ T3400] [] __alloc_skb+0x17c/0x768 [ 1872.106416][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.106604][ T3035] socket: no more sockets [ 1872.106844][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.107263][ T3400] [] worker_thread+0x532/0xcaa [ 1872.107754][ T3400] [] kthread+0x312/0x438 [ 1872.108127][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.108467][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.110256][ T3400] FAULT_INJECTION: forcing a failure. [ 1872.110256][ T3400] name failslab, interval 1, probability 100, space 0, times 74 [ 1872.111638][ T3035] FAULT_INJECTION: forcing a failure. [ 1872.111638][ T3035] name failslab, interval 1, probability 100, space 0, times 74 [ 1872.112972][ T3035] CPU: 0 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1872.113679][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1872.113977][ T3035] Call Trace: [ 1872.114143][ T3035] [] dump_backtrace+0x2e/0x3c [ 1872.114969][ T3035] [] show_stack+0x30/0x3c [ 1872.115684][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1872.116615][ T3035] [] dump_stack+0x1c/0x24 [ 1872.117502][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1872.118175][ T3035] [] should_failslab+0xb2/0xfa [ 1872.118949][ T3035] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1872.119729][ T3035] [] sock_alloc_inode+0x34/0x254 [ 1872.120348][ T3035] [] alloc_inode+0x60/0x204 [ 1872.120795][ T3035] [] sock_alloc+0x40/0x23a [ 1872.121240][ T3035] [] __sock_create+0xcc/0x8d4 [ 1872.121593][ T3035] [] __sys_socket+0x152/0x260 [ 1872.121981][ T3035] [] __riscv_sys_socket+0x70/0xa2 [ 1872.122390][ T3035] [] syscall_handler+0x92/0x114 [ 1872.122841][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1872.123258][ T3035] [] handle_exception+0x168/0x174 [ 1872.128489][ T3225] Node 0 [ 1872.129798][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1872.130183][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1872.130339][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.130732][ T3400] Call Trace: [ 1872.130838][ T3400] [] dump_backtrace+0x2e/0x3c [ 1872.131228][ T3400] [] show_stack+0x30/0x3c [ 1872.131521][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1872.131958][ T3400] [] dump_stack+0x1c/0x24 [ 1872.132385][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1872.132730][ T3400] [] should_failslab+0xb2/0xfa [ 1872.133128][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.133489][ T3400] [] __alloc_skb+0x17c/0x768 [ 1872.133819][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.134363][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.134778][ T3400] [] worker_thread+0x532/0xcaa [ 1872.135179][ T3400] [] kthread+0x312/0x438 [ 1872.135585][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.135949][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.137389][ T3400] FAULT_INJECTION: forcing a failure. [ 1872.137389][ T3400] name failslab, interval 1, probability 100, space 0, times 73 [ 1872.141218][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1872.141546][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1872.141693][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.142103][ T3400] Call Trace: [ 1872.142236][ T3400] [] dump_backtrace+0x2e/0x3c [ 1872.142635][ T3400] [] show_stack+0x30/0x3c [ 1872.142923][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1872.143358][ T3400] [] dump_stack+0x1c/0x24 [ 1872.143765][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1872.144139][ T3400] [] should_failslab+0xb2/0xfa [ 1872.144528][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.144923][ T3400] [] __alloc_skb+0x17c/0x768 [ 1872.145247][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.145591][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.146001][ T3400] [] worker_thread+0x532/0xcaa [ 1872.146405][ T3400] [] kthread+0x312/0x438 [ 1872.146813][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.147147][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.156174][ T3400] FAULT_INJECTION: forcing a failure. [ 1872.156174][ T3400] name failslab, interval 1, probability 100, space 0, times 71 [ 1872.156900][ T3225] DMA32 free:853580kB boost:0kB min:22528kB low:28160kB high:33792kB reserved_highatomic:0KB free_highatomic:0KB active_anon:14972kB inactive_anon:0kB active_file:0kB inactive_file:171128kB unevictable:3072kB writepending:88kB zspages:0kB present:2097152kB managed:1420328kB mlocked:0kB bounce:0kB free_pcp:19896kB local_pcp:12340kB free_cma:210688kB [ 1872.157679][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1872.158030][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1872.158182][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.158604][ T3035] socket: no more sockets [ 1872.158626][ T3400] Call Trace: [ 1872.158729][ T3400] [] dump_backtrace+0x2e/0x3c [ 1872.159153][ T3400] [] show_stack+0x30/0x3c [ 1872.159500][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1872.160036][ T3400] [] dump_stack+0x1c/0x24 [ 1872.160631][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1872.161007][ T3400] [] should_failslab+0xb2/0xfa [ 1872.161370][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.161738][ T3400] [] __alloc_skb+0x17c/0x768 [ 1872.162074][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.162433][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.162865][ T3400] [] worker_thread+0x532/0xcaa [ 1872.163265][ T3400] [] kthread+0x312/0x438 [ 1872.163649][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.164039][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.166952][ T55] FAULT_INJECTION: forcing a failure. [ 1872.166952][ T55] name failslab, interval 1, probability 100, space 0, times 70 [ 1872.167512][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.167837][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.168054][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.168620][ T55] Call Trace: [ 1872.168729][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.169681][ T55] [] show_stack+0x30/0x3c [ 1872.170262][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.170993][ T55] [] dump_stack+0x1c/0x24 [ 1872.171693][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.172158][ T55] [] should_failslab+0xb2/0xfa [ 1872.172669][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.173197][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.173657][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.174091][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.174649][ T55] [] worker_thread+0x532/0xcaa [ 1872.175069][ T55] [] kthread+0x312/0x438 [ 1872.175453][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.175798][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.178493][ T55] FAULT_INJECTION: forcing a failure. [ 1872.178493][ T55] name failslab, interval 1, probability 100, space 0, times 69 [ 1872.179065][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.179396][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.179549][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.179921][ T55] Call Trace: [ 1872.180026][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.180454][ T55] [] show_stack+0x30/0x3c [ 1872.180737][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.181218][ T55] [] dump_stack+0x1c/0x24 [ 1872.181647][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.181960][ T55] [] should_failslab+0xb2/0xfa [ 1872.182312][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.182718][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.183052][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.183443][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.183900][ T55] [] worker_thread+0x532/0xcaa [ 1872.184437][ T55] [] kthread+0x312/0x438 [ 1872.184853][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.185261][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.186581][ T55] FAULT_INJECTION: forcing a failure. [ 1872.186581][ T55] name failslab, interval 1, probability 100, space 0, times 68 [ 1872.188098][ T3225] lowmem_reserve[]: 0 0 0 [ 1872.190224][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.190583][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.190732][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.191109][ T55] Call Trace: [ 1872.191248][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.191648][ T55] [] show_stack+0x30/0x3c [ 1872.191935][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.192393][ T55] [] dump_stack+0x1c/0x24 [ 1872.192899][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.193244][ T55] [] should_failslab+0xb2/0xfa [ 1872.193616][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.194049][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.194379][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.194787][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.195311][ T55] [] worker_thread+0x532/0xcaa [ 1872.195848][ T55] [] kthread+0x312/0x438 [ 1872.196353][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.196856][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.198197][ T55] FAULT_INJECTION: forcing a failure. [ 1872.198197][ T55] name failslab, interval 1, probability 100, space 0, times 67 [ 1872.199030][ T3225] [ 1872.199637][ T3225] Node 0 DMA32: [ 1872.200356][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.200732][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.200941][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.201352][ T55] Call Trace: [ 1872.201481][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.201958][ T55] [] show_stack+0x30/0x3c [ 1872.202267][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.202706][ T55] [] dump_stack+0x1c/0x24 [ 1872.203126][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.203451][ T55] [] should_failslab+0xb2/0xfa [ 1872.203808][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.204215][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.204548][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.204958][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.205602][ T55] [] worker_thread+0x532/0xcaa [ 1872.206200][ T55] [] kthread+0x312/0x438 [ 1872.206744][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.207226][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.213396][ T55] FAULT_INJECTION: forcing a failure. [ 1872.213396][ T55] name failslab, interval 1, probability 100, space 0, times 66 [ 1872.215031][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.215385][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.215548][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.215976][ T55] Call Trace: [ 1872.216086][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.216540][ T55] [] show_stack+0x30/0x3c [ 1872.216887][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.217358][ T55] [] dump_stack+0x1c/0x24 [ 1872.217800][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.218122][ T55] [] should_failslab+0xb2/0xfa [ 1872.218485][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.218833][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.219205][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.219586][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.220008][ T55] [] worker_thread+0x532/0xcaa [ 1872.220407][ T55] [] kthread+0x312/0x438 [ 1872.220777][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.221194][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.221759][ T55] FAULT_INJECTION: forcing a failure. [ 1872.221759][ T55] name failslab, interval 1, probability 100, space 0, times 65 [ 1872.223105][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.223445][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.223591][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.224046][ T55] Call Trace: [ 1872.224154][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.224583][ T55] [] show_stack+0x30/0x3c [ 1872.225014][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.225554][ T55] [] dump_stack+0x1c/0x24 [ 1872.226074][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.226489][ T55] [] should_failslab+0xb2/0xfa [ 1872.226917][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.227274][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.227712][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.228161][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.228677][ T55] [] worker_thread+0x532/0xcaa [ 1872.229248][ T55] [] kthread+0x312/0x438 [ 1872.229753][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.230231][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.232253][ T55] FAULT_INJECTION: forcing a failure. [ 1872.232253][ T55] name failslab, interval 1, probability 100, space 0, times 64 [ 1872.239288][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.239628][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.239773][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.240177][ T55] Call Trace: [ 1872.240282][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.240715][ T55] [] show_stack+0x30/0x3c [ 1872.241042][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.241505][ T55] [] dump_stack+0x1c/0x24 [ 1872.241948][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.242310][ T55] [] should_failslab+0xb2/0xfa [ 1872.242463][ T4332] FAULT_INJECTION: forcing a failure. [ 1872.242463][ T4332] name failslab, interval 1, probability 100, space 0, times 64 [ 1872.242684][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.243035][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.243388][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.243735][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.244265][ T55] [] worker_thread+0x532/0xcaa [ 1872.244775][ T55] [] kthread+0x312/0x438 [ 1872.245219][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.245592][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.246890][ T55] FAULT_INJECTION: forcing a failure. [ 1872.246890][ T55] name failslab, interval 1, probability 100, space 0, times 63 [ 1872.248325][ T3035] FAULT_INJECTION: forcing a failure. [ 1872.248325][ T3035] name failslab, interval 1, probability 100, space 0, times 63 [ 1872.248983][ T3035] CPU: 0 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1872.249358][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1872.249484][ T3035] Call Trace: [ 1872.249712][ T3035] [] dump_backtrace+0x2e/0x3c [ 1872.250222][ T3035] [] show_stack+0x30/0x3c [ 1872.250658][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1872.251167][ T3035] [] dump_stack+0x1c/0x24 [ 1872.251704][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1872.252135][ T3035] [] should_failslab+0xb2/0xfa [ 1872.252610][ T3035] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1872.253072][ T3035] [] sock_alloc_inode+0x34/0x254 [ 1872.253506][ T3035] [] alloc_inode+0x60/0x204 [ 1872.254199][ T3035] [] sock_alloc+0x40/0x23a [ 1872.254698][ T3035] [] __sock_create+0xcc/0x8d4 [ 1872.255265][ T3035] [] __sys_socket+0x152/0x260 [ 1872.255962][ T3035] [] __riscv_sys_socket+0x70/0xa2 [ 1872.256727][ T3035] [] syscall_handler+0x92/0x114 [ 1872.257467][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1872.258209][ T3035] [] handle_exception+0x168/0x174 [ 1872.260974][ C0] FAULT_INJECTION: forcing a failure. [ 1872.260974][ C0] name failslab, interval 1, probability 100, space 0, times 62 [ 1872.261944][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.262526][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.262751][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.263371][ T55] Call Trace: [ 1872.263535][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.264201][ T55] [] show_stack+0x30/0x3c [ 1872.264661][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.265409][ T55] [] dump_stack+0x1c/0x24 [ 1872.266095][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.266665][ T55] [] should_failslab+0xb2/0xfa [ 1872.267319][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.268012][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.268576][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.269278][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.270071][ T55] [] worker_thread+0x532/0xcaa [ 1872.270825][ T55] [] kthread+0x312/0x438 [ 1872.271471][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.272108][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.281009][ T3400] FAULT_INJECTION: forcing a failure. [ 1872.281009][ T3400] name failslab, interval 1, probability 100, space 0, times 61 [ 1872.282817][ C0] CPU: 0 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1872.283196][ C0] Hardware name: riscv-virtio,qemu (DT) [ 1872.283322][ C0] Call Trace: [ 1872.283437][ C0] [] dump_backtrace+0x2e/0x3c [ 1872.283946][ C0] [] show_stack+0x30/0x3c [ 1872.284281][ C0] [] dump_stack_lvl+0x114/0x1aa [ 1872.284788][ C0] [] dump_stack+0x1c/0x24 [ 1872.285307][ C0] [] should_fail_ex+0x5ac/0x5b6 [ 1872.285655][ C0] [] should_failslab+0xb2/0xfa [ 1872.286050][ C0] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.286432][ C0] [] kmalloc_reserve+0x2a6/0x344 [ 1872.286758][ C0] [] __alloc_skb+0x1ba/0x768 [ 1872.287103][ C0] [] __netdev_alloc_skb+0x72/0xa7e [ 1872.287468][ C0] [] hsr_init_skb+0x100/0x574 [ 1872.287817][ C0] [] send_hsr_supervision_frame+0x110/0xe50 [ 1872.288193][ C0] [] hsr_announce+0x154/0x3f2 [ 1872.288529][ C0] [] call_timer_fn+0x1e0/0xc5c [ 1872.289025][ C0] [] __run_timers+0x8a2/0xd92 [ 1872.289429][ C0] [] run_timer_base+0x136/0x1b6 [ 1872.289839][ C0] [] run_timer_softirq+0x1c/0x52 [ 1872.290246][ C0] [] handle_softirqs+0x452/0x13ba [ 1872.290699][ C0] [] __irq_exit_rcu+0x4ac/0x86a [ 1872.290992][ C0] [] irq_exit_rcu+0x10/0xf2 [ 1872.291272][ C0] [] handle_riscv_irq+0x40/0x4a [ 1872.291604][ C0] [] call_on_irq_stack+0x32/0x40 [ 1872.292372][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1872.293098][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1872.293329][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.293998][ T3400] Call Trace: [ 1872.294224][ T3400] [] dump_backtrace+0x2e/0x3c [ 1872.294949][ T3400] [] show_stack+0x30/0x3c [ 1872.295531][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1872.296396][ T3400] [] dump_stack+0x1c/0x24 [ 1872.297407][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1872.298173][ T3400] [] should_failslab+0xb2/0xfa [ 1872.298886][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.299541][ T3400] [] __alloc_skb+0x17c/0x768 [ 1872.299997][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.300630][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.301249][ T3400] [] worker_thread+0x532/0xcaa [ 1872.301873][ T3400] [] kthread+0x312/0x438 [ 1872.302472][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.302949][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.305345][ T3400] FAULT_INJECTION: forcing a failure. [ 1872.305345][ T3400] name failslab, interval 1, probability 100, space 0, times 60 [ 1872.307366][ C0] hsr0: HSR: Could not send supervision frame [ 1872.308091][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1872.308441][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1872.308615][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.309122][ T3400] Call Trace: [ 1872.309263][ T3400] [] dump_backtrace+0x2e/0x3c [ 1872.309674][ T3400] [] show_stack+0x30/0x3c [ 1872.310004][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1872.310448][ T3400] [] dump_stack+0x1c/0x24 [ 1872.310894][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1872.311220][ T3400] [] should_failslab+0xb2/0xfa [ 1872.311672][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.312060][ T3400] [] __alloc_skb+0x17c/0x768 [ 1872.312423][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.312842][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.313304][ T3400] [] worker_thread+0x532/0xcaa [ 1872.313744][ T3400] [] kthread+0x312/0x438 [ 1872.314352][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.314773][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.317580][ T3400] FAULT_INJECTION: forcing a failure. [ 1872.317580][ T3400] name failslab, interval 1, probability 100, space 0, times 58 [ 1872.318167][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1872.318515][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1872.318661][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.319120][ T3400] Call Trace: [ 1872.319226][ T3400] [] dump_backtrace+0x2e/0x3c [ 1872.319669][ T3400] [] show_stack+0x30/0x3c [ 1872.320005][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1872.320489][ T3400] [] dump_stack+0x1c/0x24 [ 1872.320997][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1872.321309][ T3400] [] should_failslab+0xb2/0xfa [ 1872.321707][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.322065][ T3400] [] __alloc_skb+0x17c/0x768 [ 1872.322521][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.322993][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.323397][ T3400] [] worker_thread+0x532/0xcaa [ 1872.323856][ T3400] [] kthread+0x312/0x438 [ 1872.324378][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.324747][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.326541][ T3400] FAULT_INJECTION: forcing a failure. [ 1872.326541][ T3400] name failslab, interval 1, probability 100, space 0, times 57 [ 1872.331676][ T4332] CPU: 0 UID: 0 PID: 4332 Comm: syz.1.66 Not tainted syzkaller #0 PREEMPT [ 1872.332514][ T4332] Hardware name: riscv-virtio,qemu (DT) [ 1872.332755][ T4332] Call Trace: [ 1872.333039][ T4332] [] dump_backtrace+0x2e/0x3c [ 1872.333971][ T4332] [] show_stack+0x30/0x3c [ 1872.334490][ T4332] [] dump_stack_lvl+0x114/0x1aa [ 1872.335256][ T4332] [] dump_stack+0x1c/0x24 [ 1872.336113][ T4332] [] should_fail_ex+0x5ac/0x5b6 [ 1872.336767][ T4332] [] should_failslab+0xb2/0xfa [ 1872.337519][ T4332] [] __kmalloc_cache_noprof+0x366/0x676 [ 1872.338161][ T4332] [] kvm_uevent_notify_change.part.0+0xb4/0x452 [ 1872.339136][ T4332] [] kvm_put_kvm+0xec/0xa06 [ 1872.339739][ T4332] [] kvm_vm_release+0x3a/0x50 [ 1872.340409][ T4332] [] __fput+0x37e/0xa8c [ 1872.340976][ T4332] [] ____fput+0x1c/0x26 [ 1872.341496][ T4332] [] task_work_run+0x162/0x24a [ 1872.342239][ T4332] [] exit_to_user_mode_loop+0x160/0xcd4 [ 1872.343096][ T4332] [] do_trap_ecall_u+0x4fc/0x636 [ 1872.343809][ T4332] [] handle_exception+0x168/0x174 [ 1872.348764][ T3225] 3*4kB [ 1872.348787][ T3400] CPU: 1 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1872.349458][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1872.349736][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.350417][ T3400] Call Trace: [ 1872.350615][ T3400] [] dump_backtrace+0x2e/0x3c [ 1872.351353][ T3400] [] show_stack+0x30/0x3c [ 1872.351877][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1872.352692][ T3400] [] dump_stack+0x1c/0x24 [ 1872.353479][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1872.354168][ T3400] [] should_failslab+0xb2/0xfa [ 1872.354876][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.355939][ T3400] [] __alloc_skb+0x17c/0x768 [ 1872.356754][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.357568][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.358422][ T3400] [] worker_thread+0x532/0xcaa [ 1872.359235][ T3400] [] kthread+0x312/0x438 [ 1872.360210][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.361083][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.375770][ T3035] socket: no more sockets [ 1872.375991][ T3225] (UME) 2*8kB [ 1872.378335][ T3035] FAULT_INJECTION: forcing a failure. [ 1872.378335][ T3035] name failslab, interval 1, probability 100, space 0, times 54 [ 1872.390426][ T3035] CPU: 1 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1872.391181][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1872.391332][ T3225] (UE) [ 1872.391419][ T3035] Call Trace: [ 1872.391645][ T3035] [] dump_backtrace+0x2e/0x3c [ 1872.392450][ T3035] [] show_stack+0x30/0x3c [ 1872.393020][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1872.393827][ T3035] [] dump_stack+0x1c/0x24 [ 1872.394653][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1872.395289][ T3035] [] should_failslab+0xb2/0xfa [ 1872.396128][ T3035] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1872.397047][ T3035] [] sock_alloc_inode+0x34/0x254 [ 1872.397761][ T3035] [] alloc_inode+0x60/0x204 [ 1872.398407][ T3035] [] sock_alloc+0x40/0x23a [ 1872.398962][ T3035] [] __sock_create+0xcc/0x8d4 [ 1872.399624][ T3035] [] __sys_socket+0x152/0x260 [ 1872.400353][ T3035] [] __riscv_sys_socket+0x70/0xa2 [ 1872.401083][ T3035] [] syscall_handler+0x92/0x114 [ 1872.401918][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1872.402654][ T3035] [] handle_exception+0x168/0x174 [ 1872.410539][ T3035] socket: no more sockets [ 1872.412917][ T3035] FAULT_INJECTION: forcing a failure. [ 1872.412917][ T3035] name failslab, interval 1, probability 100, space 0, times 53 [ 1872.418337][ T3035] CPU: 1 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1872.418996][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1872.419226][ T3035] Call Trace: [ 1872.419440][ T3035] [] dump_backtrace+0x2e/0x3c [ 1872.420262][ T3035] [] show_stack+0x30/0x3c [ 1872.420861][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1872.421786][ T3035] [] dump_stack+0x1c/0x24 [ 1872.422626][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1872.423258][ T3035] [] should_failslab+0xb2/0xfa [ 1872.423968][ T3035] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1872.424677][ T3035] [] sock_alloc_inode+0x34/0x254 [ 1872.425333][ T3035] [] alloc_inode+0x60/0x204 [ 1872.425971][ T3035] [] sock_alloc+0x40/0x23a [ 1872.426524][ T3035] [] __sock_create+0xcc/0x8d4 [ 1872.427115][ T3035] [] __sys_socket+0x152/0x260 [ 1872.427711][ T3035] [] __riscv_sys_socket+0x70/0xa2 [ 1872.428319][ T3035] [] syscall_handler+0x92/0x114 [ 1872.428976][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1872.429554][ T3035] [] handle_exception+0x168/0x174 [ 1872.430377][ T3225] 1*16kB [ 1872.442100][ T3035] socket: no more sockets [ 1872.443461][ T3035] FAULT_INJECTION: forcing a failure. [ 1872.443461][ T3035] name failslab, interval 1, probability 100, space 0, times 52 [ 1872.451078][ T3035] CPU: 1 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1872.451918][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1872.452266][ T3035] Call Trace: [ 1872.452516][ T3035] [] dump_backtrace+0x2e/0x3c [ 1872.453980][ T3035] [] show_stack+0x30/0x3c [ 1872.454600][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1872.455435][ T3035] [] dump_stack+0x1c/0x24 [ 1872.456316][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1872.456993][ T3035] [] should_failslab+0xb2/0xfa [ 1872.457675][ T3035] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1872.458366][ T3035] [] sock_alloc_inode+0x34/0x254 [ 1872.458992][ T3035] [] alloc_inode+0x60/0x204 [ 1872.459694][ T3035] [] sock_alloc+0x40/0x23a [ 1872.460366][ T3035] [] __sock_create+0xcc/0x8d4 [ 1872.461485][ T3035] [] __sys_socket+0x152/0x260 [ 1872.462422][ T3035] [] __riscv_sys_socket+0x70/0xa2 [ 1872.463301][ T3035] [] syscall_handler+0x92/0x114 [ 1872.464375][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1872.465030][ T3035] [] handle_exception+0x168/0x174 [ 1872.485881][ T55] FAULT_INJECTION: forcing a failure. [ 1872.485881][ T55] name failslab, interval 1, probability 100, space 0, times 52 [ 1872.489022][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.489586][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.489849][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.490561][ T55] Call Trace: [ 1872.490762][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.491511][ T55] [] show_stack+0x30/0x3c [ 1872.492069][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.493000][ T55] [] dump_stack+0x1c/0x24 [ 1872.493748][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.494439][ T55] [] should_failslab+0xb2/0xfa [ 1872.495184][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.495895][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.496561][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.497259][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.498055][ T55] [] worker_thread+0x532/0xcaa [ 1872.498751][ T55] [] kthread+0x312/0x438 [ 1872.499432][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.500022][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.503477][ T3225] (E) [ 1872.507501][ T55] FAULT_INJECTION: forcing a failure. [ 1872.507501][ T55] name failslab, interval 1, probability 100, space 0, times 51 [ 1872.508526][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.509178][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.509459][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.510200][ T55] Call Trace: [ 1872.510401][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.511162][ T55] [] show_stack+0x30/0x3c [ 1872.511688][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.512449][ T55] [] dump_stack+0x1c/0x24 [ 1872.513243][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.513813][ T55] [] should_failslab+0xb2/0xfa [ 1872.514562][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.515268][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.515862][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.516705][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.517594][ T55] [] worker_thread+0x532/0xcaa [ 1872.518385][ T55] [] kthread+0x312/0x438 [ 1872.519152][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.520015][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.523525][ T55] FAULT_INJECTION: forcing a failure. [ 1872.523525][ T55] name failslab, interval 1, probability 100, space 0, times 50 [ 1872.525349][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.525985][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.526264][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.526955][ T55] Call Trace: [ 1872.527139][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.527863][ T55] [] show_stack+0x30/0x3c [ 1872.528369][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.529186][ T55] [] dump_stack+0x1c/0x24 [ 1872.529996][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.530587][ T55] [] should_failslab+0xb2/0xfa [ 1872.531257][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.531918][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.532548][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.533236][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.534101][ T55] [] worker_thread+0x532/0xcaa [ 1872.535033][ T55] [] kthread+0x312/0x438 [ 1872.535727][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.536435][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.539683][ T55] FAULT_INJECTION: forcing a failure. [ 1872.539683][ T55] name failslab, interval 1, probability 100, space 0, times 49 [ 1872.540652][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.541295][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.541570][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.542285][ T55] Call Trace: [ 1872.542470][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.543150][ T55] [] show_stack+0x30/0x3c [ 1872.543639][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.544432][ T55] [] dump_stack+0x1c/0x24 [ 1872.545257][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.545884][ T55] [] should_failslab+0xb2/0xfa [ 1872.546596][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.547425][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.548235][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.548984][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.549813][ T55] [] worker_thread+0x532/0xcaa [ 1872.550661][ T55] [] kthread+0x312/0x438 [ 1872.551508][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.552234][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.559913][ T3035] socket: no more sockets [ 1872.576391][ C0] FAULT_INJECTION: forcing a failure. [ 1872.576391][ C0] name failslab, interval 1, probability 100, space 0, times 30 [ 1872.577461][ T3035] FAULT_INJECTION: forcing a failure. [ 1872.577461][ T3035] name failslab, interval 1, probability 100, space 0, times 30 [ 1872.578782][ C0] CPU: 0 UID: 0 PID: 4332 Comm: syz.1.66 Not tainted syzkaller #0 PREEMPT [ 1872.579388][ C0] Hardware name: riscv-virtio,qemu (DT) [ 1872.579607][ C0] Call Trace: [ 1872.579803][ C0] [] dump_backtrace+0x2e/0x3c [ 1872.580611][ C0] [] show_stack+0x30/0x3c [ 1872.581183][ C0] [] dump_stack_lvl+0x114/0x1aa [ 1872.582012][ C0] [] dump_stack+0x1c/0x24 [ 1872.582764][ C0] [] should_fail_ex+0x5ac/0x5b6 [ 1872.583431][ C0] [] should_failslab+0xb2/0xfa [ 1872.584219][ C0] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.584881][ C0] [] kmalloc_reserve+0x2a6/0x344 [ 1872.585459][ C0] [] __alloc_skb+0x1ba/0x768 [ 1872.586077][ C0] [] __netdev_alloc_skb+0x72/0xa7e [ 1872.586736][ C0] [] hsr_init_skb+0x100/0x574 [ 1872.587487][ C0] [] send_hsr_supervision_frame+0x110/0xe50 [ 1872.588322][ C0] [] hsr_announce+0x154/0x3f2 [ 1872.589125][ C0] [] call_timer_fn+0x1e0/0xc5c [ 1872.590054][ C0] [] __run_timers+0x8a2/0xd92 [ 1872.590872][ C0] [] run_timer_base+0x136/0x1b6 [ 1872.591762][ C0] [] run_timer_softirq+0x1c/0x52 [ 1872.592733][ C0] [] handle_softirqs+0x452/0x13ba [ 1872.593869][ C0] [] __irq_exit_rcu+0x4ac/0x86a [ 1872.594527][ C0] [] irq_exit_rcu+0x10/0xf2 [ 1872.595030][ C0] [] handle_riscv_irq+0x40/0x4a [ 1872.595751][ C0] [] call_on_irq_stack+0x32/0x40 [ 1872.613708][ T3035] CPU: 1 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1872.614444][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1872.614675][ T3035] Call Trace: [ 1872.614895][ T3035] [] dump_backtrace+0x2e/0x3c [ 1872.615707][ T3035] [] show_stack+0x30/0x3c [ 1872.616267][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1872.617163][ T3035] [] dump_stack+0x1c/0x24 [ 1872.617973][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1872.618552][ T3035] [] should_failslab+0xb2/0xfa [ 1872.619209][ T3035] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1872.619884][ T3035] [] sock_alloc_inode+0x34/0x254 [ 1872.620448][ T3035] [] alloc_inode+0x60/0x204 [ 1872.621068][ T3225] 3*32kB [ 1872.621080][ T3035] [] sock_alloc+0x40/0x23a [ 1872.621632][ T3035] [] __sock_create+0xcc/0x8d4 [ 1872.622251][ T3035] [] __sys_socket+0x152/0x260 [ 1872.623028][ T3035] [] __riscv_sys_socket+0x70/0xa2 [ 1872.623910][ T3035] [] syscall_handler+0x92/0x114 [ 1872.624670][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1872.625397][ T3035] [] handle_exception+0x168/0x174 [ 1872.632661][ T55] FAULT_INJECTION: forcing a failure. [ 1872.632661][ T55] name failslab, interval 1, probability 100, space 0, times 29 [ 1872.634816][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.635407][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.635675][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.636369][ T55] Call Trace: [ 1872.636577][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.637325][ T55] [] show_stack+0x30/0x3c [ 1872.637855][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.638586][ T55] [] dump_stack+0x1c/0x24 [ 1872.639385][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.639940][ T55] [] should_failslab+0xb2/0xfa [ 1872.640605][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.641303][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.641939][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.642591][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.643347][ T55] [] worker_thread+0x532/0xcaa [ 1872.644121][ T55] [] kthread+0x312/0x438 [ 1872.644900][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.645567][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.650528][ T55] FAULT_INJECTION: forcing a failure. [ 1872.650528][ T55] name failslab, interval 1, probability 100, space 0, times 28 [ 1872.666124][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.666713][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.666973][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.667642][ T55] Call Trace: [ 1872.667821][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.668535][ T55] [] show_stack+0x30/0x3c [ 1872.669059][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.669815][ T55] [] dump_stack+0x1c/0x24 [ 1872.670558][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.671129][ T55] [] should_failslab+0xb2/0xfa [ 1872.671770][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.672413][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.673029][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.673641][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.674397][ T55] [] worker_thread+0x532/0xcaa [ 1872.675136][ T55] [] kthread+0x312/0x438 [ 1872.675802][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.676409][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.683409][ T3400] FAULT_INJECTION: forcing a failure. [ 1872.683409][ T3400] name failslab, interval 1, probability 100, space 0, times 20 [ 1872.687764][ T55] FAULT_INJECTION: forcing a failure. [ 1872.687764][ T55] name failslab, interval 1, probability 100, space 0, times 19 [ 1872.689087][ T3400] CPU: 0 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1872.689694][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1872.689971][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.690672][ T3400] Call Trace: [ 1872.690864][ T3400] [] dump_backtrace+0x2e/0x3c [ 1872.691541][ T3400] [] show_stack+0x30/0x3c [ 1872.692066][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1872.692883][ T3400] [] dump_stack+0x1c/0x24 [ 1872.693631][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1872.694220][ T3400] [] should_failslab+0xb2/0xfa [ 1872.694923][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.695551][ T3400] [] __alloc_skb+0x17c/0x768 [ 1872.696147][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.696822][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.697597][ T3400] [] worker_thread+0x532/0xcaa [ 1872.698361][ T3400] [] kthread+0x312/0x438 [ 1872.699035][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.699648][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.701885][ T3400] FAULT_INJECTION: forcing a failure. [ 1872.701885][ T3400] name failslab, interval 1, probability 100, space 0, times 18 [ 1872.703107][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.703675][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.703915][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.704566][ T55] Call Trace: [ 1872.704729][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.705490][ T55] [] show_stack+0x30/0x3c [ 1872.706089][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.706864][ T55] [] dump_stack+0x1c/0x24 [ 1872.707623][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.708208][ T55] [] should_failslab+0xb2/0xfa [ 1872.708859][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.709625][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.710231][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.710867][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.711608][ T55] [] worker_thread+0x532/0xcaa [ 1872.712306][ T55] [] kthread+0x312/0x438 [ 1872.713021][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.713639][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.716464][ T55] FAULT_INJECTION: forcing a failure. [ 1872.716464][ T55] name failslab, interval 1, probability 100, space 0, times 17 [ 1872.730895][ T3400] CPU: 0 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1872.731637][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1872.731914][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.732664][ T3400] Call Trace: [ 1872.745015][ T3400] [] dump_backtrace+0x2e/0x3c [ 1872.746107][ T3400] [] show_stack+0x30/0x3c [ 1872.746737][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1872.747616][ T3400] [] dump_stack+0x1c/0x24 [ 1872.749240][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1872.750437][ T3400] [] should_failslab+0xb2/0xfa [ 1872.751379][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.752240][ T3400] [] __alloc_skb+0x17c/0x768 [ 1872.753772][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.754430][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.755772][ T3400] [] worker_thread+0x532/0xcaa [ 1872.756914][ T3400] [] kthread+0x312/0x438 [ 1872.757833][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.758576][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.761208][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.761778][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.762043][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.762655][ T55] Call Trace: [ 1872.762805][ T3400] FAULT_INJECTION: forcing a failure. [ 1872.762805][ T3400] name failslab, interval 1, probability 100, space 0, times 16 [ 1872.762839][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.763499][ T55] [] show_stack+0x30/0x3c [ 1872.764188][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.765025][ T55] [] dump_stack+0x1c/0x24 [ 1872.765785][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.766362][ T55] [] should_failslab+0xb2/0xfa [ 1872.767003][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.767657][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.768338][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.768987][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.769918][ T55] [] worker_thread+0x532/0xcaa [ 1872.770720][ T55] [] kthread+0x312/0x438 [ 1872.771512][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.772170][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.776243][ T3035] socket: no more sockets [ 1872.778298][ T3035] FAULT_INJECTION: forcing a failure. [ 1872.778298][ T3035] name failslab, interval 1, probability 100, space 0, times 14 [ 1872.779171][ T3035] CPU: 1 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1872.779709][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1872.779924][ T3035] Call Trace: [ 1872.780112][ T3035] [] dump_backtrace+0x2e/0x3c [ 1872.780832][ T3035] [] show_stack+0x30/0x3c [ 1872.781340][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1872.782117][ T3035] [] dump_stack+0x1c/0x24 [ 1872.782858][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1872.783422][ T3035] [] should_failslab+0xb2/0xfa [ 1872.784145][ T3035] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1872.784922][ T3035] [] sock_alloc_inode+0x34/0x254 [ 1872.785515][ T3035] [] alloc_inode+0x60/0x204 [ 1872.786307][ T3035] [] sock_alloc+0x40/0x23a [ 1872.786953][ T3035] [] __sock_create+0xcc/0x8d4 [ 1872.787622][ T3035] [] __sys_socket+0x152/0x260 [ 1872.788308][ T3035] [] __riscv_sys_socket+0x70/0xa2 [ 1872.789110][ T3035] [] syscall_handler+0x92/0x114 [ 1872.789867][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1872.790488][ T3035] [] handle_exception+0x168/0x174 [ 1872.797520][ T3035] socket: no more sockets [ 1872.798256][ T3400] CPU: 0 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1872.798822][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1872.799082][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.799736][ T3400] Call Trace: [ 1872.799920][ T3400] [] dump_backtrace+0x2e/0x3c [ 1872.800613][ T3400] [] show_stack+0x30/0x3c [ 1872.801138][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1872.801925][ T3400] [] dump_stack+0x1c/0x24 [ 1872.802694][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1872.803283][ T3400] [] should_failslab+0xb2/0xfa [ 1872.803928][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.804665][ T3400] [] __alloc_skb+0x17c/0x768 [ 1872.805293][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.806181][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.807470][ T3400] [] worker_thread+0x532/0xcaa [ 1872.808368][ T3400] [] kthread+0x312/0x438 [ 1872.809093][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.809730][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.818005][ T3400] FAULT_INJECTION: forcing a failure. [ 1872.818005][ T3400] name failslab, interval 1, probability 100, space 0, times 12 [ 1872.819472][ T3035] FAULT_INJECTION: forcing a failure. [ 1872.819472][ T3035] name failslab, interval 1, probability 100, space 0, times 12 [ 1872.820350][ T3035] CPU: 1 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1872.820919][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1872.821128][ T3035] Call Trace: [ 1872.821310][ T3035] [] dump_backtrace+0x2e/0x3c [ 1872.822033][ T3035] [] show_stack+0x30/0x3c [ 1872.822548][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1872.823342][ T3035] [] dump_stack+0x1c/0x24 [ 1872.824162][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1872.824753][ T3035] [] should_failslab+0xb2/0xfa [ 1872.825534][ T3035] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1872.826299][ T3035] [] sock_alloc_inode+0x34/0x254 [ 1872.827153][ T3035] [] alloc_inode+0x60/0x204 [ 1872.827988][ T3035] [] sock_alloc+0x40/0x23a [ 1872.828760][ T3035] [] __sock_create+0xcc/0x8d4 [ 1872.829576][ T3035] [] __sys_socket+0x152/0x260 [ 1872.830333][ T3035] [] __riscv_sys_socket+0x70/0xa2 [ 1872.831498][ T3035] [] syscall_handler+0x92/0x114 [ 1872.832397][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1872.833257][ T3035] [] handle_exception+0x168/0x174 [ 1872.835422][ C1] FAULT_INJECTION: forcing a failure. [ 1872.835422][ C1] name failslab, interval 1, probability 100, space 0, times 12 [ 1872.836535][ T3400] CPU: 0 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1872.837109][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1872.837374][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.838017][ T3400] Call Trace: [ 1872.838196][ T3400] [] dump_backtrace+0x2e/0x3c [ 1872.838890][ T3400] [] show_stack+0x30/0x3c [ 1872.839403][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1872.840180][ T3400] [] dump_stack+0x1c/0x24 [ 1872.840970][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1872.841557][ T3400] [] should_failslab+0xb2/0xfa [ 1872.842199][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.842845][ T3400] [] __alloc_skb+0x17c/0x768 [ 1872.843447][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.844407][ T3400] [] process_one_work+0x90a/0x20a0 [ 1872.845322][ T3400] [] worker_thread+0x532/0xcaa [ 1872.846161][ T3400] [] kthread+0x312/0x438 [ 1872.847025][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.847871][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.850272][ T3225] (UME) [ 1872.851526][ C1] CPU: 1 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1872.852142][ C1] Hardware name: riscv-virtio,qemu (DT) [ 1872.852358][ C1] Call Trace: [ 1872.852570][ C1] [] dump_backtrace+0x2e/0x3c [ 1872.853343][ C1] [] show_stack+0x30/0x3c [ 1872.853873][ C1] [] dump_stack_lvl+0x114/0x1aa [ 1872.854873][ C1] [] dump_stack+0x1c/0x24 [ 1872.855724][ C1] [] should_fail_ex+0x5ac/0x5b6 [ 1872.856732][ C1] [] should_failslab+0xb2/0xfa [ 1872.857862][ C1] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.858722][ C1] [] __alloc_skb+0x17c/0x768 [ 1872.859385][ C1] [] wg_packet_send_keepalive+0x78/0x2c8 [ 1872.860451][ C1] [] wg_expired_send_persistent_keepalive+0x5c/0x7a [ 1872.861516][ C1] [] call_timer_fn+0x1e0/0xc5c [ 1872.862549][ C1] [] __run_timers+0x8a2/0xd92 [ 1872.863591][ C1] [] run_timer_base+0x136/0x1b6 [ 1872.864461][ C1] [] run_timer_softirq+0x1c/0x52 [ 1872.865219][ C1] [] handle_softirqs+0x452/0x13ba [ 1872.866215][ C1] [] __irq_exit_rcu+0x4ac/0x86a [ 1872.866824][ C1] [] irq_exit_rcu+0x10/0xf2 [ 1872.867454][ C1] [] handle_riscv_irq+0x40/0x4a [ 1872.868112][ C1] [] call_on_irq_stack+0x32/0x40 [ 1872.878010][ T3035] socket: no more sockets [ 1872.880507][ T3035] FAULT_INJECTION: forcing a failure. [ 1872.880507][ T3035] name failslab, interval 1, probability 100, space 0, times 9 [ 1872.882632][ T3035] CPU: 1 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1872.883202][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1872.883408][ T3035] Call Trace: [ 1872.883590][ T3035] [] dump_backtrace+0x2e/0x3c [ 1872.884357][ T3035] [] show_stack+0x30/0x3c [ 1872.884906][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1872.885703][ T3035] [] dump_stack+0x1c/0x24 [ 1872.886485][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1872.886712][ T3225] 3*64kB [ 1872.887101][ T3035] [] should_failslab+0xb2/0xfa [ 1872.888118][ T3035] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1872.888832][ T3035] [] sock_alloc_inode+0x34/0x254 [ 1872.889598][ T3035] [] alloc_inode+0x60/0x204 [ 1872.890279][ T3035] [] sock_alloc+0x40/0x23a [ 1872.890926][ T3035] [] __sock_create+0xcc/0x8d4 [ 1872.891693][ T3035] [] __sys_socket+0x152/0x260 [ 1872.892486][ T3035] [] __riscv_sys_socket+0x70/0xa2 [ 1872.893306][ T3035] [] syscall_handler+0x92/0x114 [ 1872.894100][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1872.894672][ T3035] [] handle_exception+0x168/0x174 [ 1872.907687][ T3035] FAULT_INJECTION: forcing a failure. [ 1872.907687][ T3035] name failslab, interval 1, probability 100, space 0, times 8 [ 1872.909993][ T3035] CPU: 1 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1872.910552][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1872.910757][ T3035] Call Trace: [ 1872.910978][ T3035] [] dump_backtrace+0x2e/0x3c [ 1872.911715][ T3035] [] show_stack+0x30/0x3c [ 1872.912215][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1872.913034][ T3035] [] dump_stack+0x1c/0x24 [ 1872.913787][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1872.914363][ T3035] [] should_failslab+0xb2/0xfa [ 1872.915033][ T3035] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1872.915707][ T3035] [] sock_alloc_inode+0x34/0x254 [ 1872.916264][ T3035] [] alloc_inode+0x60/0x204 [ 1872.916897][ T3035] [] sock_alloc+0x40/0x23a [ 1872.917430][ T3035] [] __sock_create+0xcc/0x8d4 [ 1872.917996][ T3035] [] __sys_socket+0x152/0x260 [ 1872.918562][ T3035] [] __riscv_sys_socket+0x70/0xa2 [ 1872.919156][ T3035] [] syscall_handler+0x92/0x114 [ 1872.919770][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1872.920332][ T3035] [] handle_exception+0x168/0x174 [ 1872.938078][ T3225] (UME) 2*128kB (UE) 2*256kB (EC) 3*512kB (MEC) 3*1024kB (UEC) 2*2048kB (ME) 206*4096kB (MC) = 853580kB [ 1872.967632][ T3225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1872.970318][ T55] FAULT_INJECTION: forcing a failure. [ 1872.970318][ T55] name failslab, interval 1, probability 100, space 0, times 8 [ 1872.972723][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.973367][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.973646][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.974389][ T55] Call Trace: [ 1872.974581][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.975306][ T55] [] show_stack+0x30/0x3c [ 1872.975583][ T3225] Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB [ 1872.975895][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.976759][ T55] [] dump_stack+0x1c/0x24 [ 1872.977588][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1872.978262][ T55] [] should_failslab+0xb2/0xfa [ 1872.979041][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1872.979746][ T55] [] __alloc_skb+0x17c/0x768 [ 1872.980429][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1872.981161][ T55] [] process_one_work+0x90a/0x20a0 [ 1872.982104][ T55] [] worker_thread+0x532/0xcaa [ 1872.982939][ T55] [] kthread+0x312/0x438 [ 1872.983779][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1872.984432][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1872.986964][ T55] FAULT_INJECTION: forcing a failure. [ 1872.986964][ T55] name failslab, interval 1, probability 100, space 0, times 7 [ 1872.995271][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1872.995890][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1872.996153][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1872.996844][ T55] Call Trace: [ 1872.997027][ T55] [] dump_backtrace+0x2e/0x3c [ 1872.997713][ T55] [] show_stack+0x30/0x3c [ 1872.998219][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1872.999011][ T55] [] dump_stack+0x1c/0x24 [ 1872.999769][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1873.000337][ T55] [] should_failslab+0xb2/0xfa [ 1873.001004][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1873.001649][ T55] [] __alloc_skb+0x17c/0x768 [ 1873.002222][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1873.002818][ T55] [] process_one_work+0x90a/0x20a0 [ 1873.003555][ T55] [] worker_thread+0x532/0xcaa [ 1873.004326][ T55] [] kthread+0x312/0x438 [ 1873.005003][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1873.005546][ T3225] 43588 total pagecache pages [ 1873.005597][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1873.007108][ T55] FAULT_INJECTION: forcing a failure. [ 1873.007108][ T55] name failslab, interval 1, probability 100, space 0, times 6 [ 1873.010840][ T3225] 0 pages in swap cache [ 1873.023033][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1873.023665][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1873.023965][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1873.024624][ T55] Call Trace: [ 1873.024854][ T55] [] dump_backtrace+0x2e/0x3c [ 1873.025541][ T55] [] show_stack+0x30/0x3c [ 1873.026092][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1873.026863][ T55] [] dump_stack+0x1c/0x24 [ 1873.027677][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1873.028319][ T55] [] should_failslab+0xb2/0xfa [ 1873.029102][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1873.029814][ T55] [] __alloc_skb+0x17c/0x768 [ 1873.030492][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1873.031153][ T55] [] process_one_work+0x90a/0x20a0 [ 1873.032018][ T55] [] worker_thread+0x532/0xcaa [ 1873.032906][ T55] [] kthread+0x312/0x438 [ 1873.033699][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1873.034357][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1873.038148][ T55] FAULT_INJECTION: forcing a failure. [ 1873.038148][ T55] name failslab, interval 1, probability 100, space 0, times 5 [ 1873.042016][ T55] CPU: 1 UID: 0 PID: 55 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT [ 1873.042579][ T55] Hardware name: riscv-virtio,qemu (DT) [ 1873.042818][ T55] Workqueue: events_unbound nsim_dev_trap_report_work [ 1873.043443][ T55] Call Trace: [ 1873.043614][ T55] [] dump_backtrace+0x2e/0x3c [ 1873.044304][ T55] [] show_stack+0x30/0x3c [ 1873.044855][ T55] [] dump_stack_lvl+0x114/0x1aa [ 1873.045621][ T55] [] dump_stack+0x1c/0x24 [ 1873.046360][ T55] [] should_fail_ex+0x5ac/0x5b6 [ 1873.046912][ T55] [] should_failslab+0xb2/0xfa [ 1873.047528][ T55] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1873.048142][ T55] [] __alloc_skb+0x17c/0x768 [ 1873.048698][ T55] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1873.049312][ T55] [] process_one_work+0x90a/0x20a0 [ 1873.050040][ T55] [] worker_thread+0x532/0xcaa [ 1873.050751][ T55] [] kthread+0x312/0x438 [ 1873.051397][ T55] [] ret_from_fork_kernel+0x94/0xef6 [ 1873.051990][ T55] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1873.058891][ T3225] Free swap = 124996kB [ 1873.068588][ T3035] FAULT_INJECTION: forcing a failure. [ 1873.068588][ T3035] name failslab, interval 1, probability 100, space 0, times 3 [ 1873.070916][ T3035] CPU: 1 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1873.071475][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1873.071692][ T3035] Call Trace: [ 1873.071885][ T3035] [] dump_backtrace+0x2e/0x3c [ 1873.072666][ T3035] [] show_stack+0x30/0x3c [ 1873.073201][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1873.073998][ T3035] [] dump_stack+0x1c/0x24 [ 1873.074759][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1873.075335][ T3035] [] should_failslab+0xb2/0xfa [ 1873.075989][ T3035] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1873.076665][ T3035] [] sock_alloc_inode+0x34/0x254 [ 1873.077258][ T3035] [] alloc_inode+0x60/0x204 [ 1873.077872][ T3035] [] sock_alloc+0x40/0x23a [ 1873.078387][ T3035] [] __sock_create+0xcc/0x8d4 [ 1873.078952][ T3035] [] __sys_socket+0x152/0x260 [ 1873.079535][ T3035] [] __riscv_sys_socket+0x70/0xa2 [ 1873.079782][ T3225] Total swap = 124996kB [ 1873.080180][ T3035] [] syscall_handler+0x92/0x114 [ 1873.081060][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1873.081661][ T3035] [] handle_exception+0x168/0x174 [ 1873.093225][ T3035] FAULT_INJECTION: forcing a failure. [ 1873.093225][ T3035] name failslab, interval 1, probability 100, space 0, times 2 [ 1873.103964][ T3035] CPU: 1 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1873.104615][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1873.104866][ T3035] Call Trace: [ 1873.105076][ T3035] [] dump_backtrace+0x2e/0x3c [ 1873.105846][ T3035] [] show_stack+0x30/0x3c [ 1873.106353][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1873.107164][ T3035] [] dump_stack+0x1c/0x24 [ 1873.107947][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1873.108533][ T3035] [] should_failslab+0xb2/0xfa [ 1873.109228][ T3035] [] __kmalloc_cache_noprof+0x366/0x676 [ 1873.109812][ T3035] [] syslog_print+0x132/0x666 [ 1873.110434][ T3035] [] do_syslog+0x570/0xa52 [ 1873.111097][ T3035] [] __riscv_sys_syslog+0x70/0xa2 [ 1873.111775][ T3035] [] syscall_handler+0x92/0x114 [ 1873.112406][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1873.113022][ T3035] [] handle_exception+0x168/0x174 [ 1873.125696][ T3225] 524288 pages RAM [ 1873.130340][ T3225] 0 pages HighMem/MovableOnly [ 1873.132253][ T3225] 169206 pages reserved [ 1873.133576][ T3225] 52736 pages cma reserved [ 1873.167073][ T3035] FAULT_INJECTION: forcing a failure. [ 1873.167073][ T3035] name failslab, interval 1, probability 100, space 0, times 1 [ 1873.170311][ T3035] CPU: 1 UID: 0 PID: 3035 Comm: klogd Not tainted syzkaller #0 PREEMPT [ 1873.170930][ T3035] Hardware name: riscv-virtio,qemu (DT) [ 1873.171155][ T3035] Call Trace: [ 1873.171356][ T3035] [] dump_backtrace+0x2e/0x3c [ 1873.172138][ T3035] [] show_stack+0x30/0x3c [ 1873.172678][ T3035] [] dump_stack_lvl+0x114/0x1aa [ 1873.173535][ T3035] [] dump_stack+0x1c/0x24 [ 1873.174378][ T3035] [] should_fail_ex+0x5ac/0x5b6 [ 1873.174971][ T3035] [] should_failslab+0xb2/0xfa [ 1873.175624][ T3035] [] kmem_cache_alloc_lru_noprof+0x370/0x67a [ 1873.176303][ T3035] [] sock_alloc_inode+0x34/0x254 [ 1873.176910][ T3035] [] alloc_inode+0x60/0x204 [ 1873.177541][ T3035] [] sock_alloc+0x40/0x23a [ 1873.178105][ T3035] [] __sock_create+0xcc/0x8d4 [ 1873.178669][ T3035] [] __sys_socket+0x152/0x260 [ 1873.179297][ T3035] [] __riscv_sys_socket+0x70/0xa2 [ 1873.179935][ T3035] [] syscall_handler+0x92/0x114 [ 1873.180612][ T3035] [] do_trap_ecall_u+0x3e4/0x636 [ 1873.181259][ T3035] [] handle_exception+0x168/0x174 [ 1873.197246][ T3400] FAULT_INJECTION: forcing a failure. [ 1873.197246][ T3400] name failslab, interval 1, probability 100, space 0, times 1 [ 1873.200118][ T3400] CPU: 0 UID: 0 PID: 3400 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT [ 1873.200740][ T3400] Hardware name: riscv-virtio,qemu (DT) [ 1873.201037][ T3400] Workqueue: events_unbound nsim_dev_trap_report_work [ 1873.201725][ T3400] Call Trace: [ 1873.201907][ T3400] [] dump_backtrace+0x2e/0x3c [ 1873.202605][ T3400] [] show_stack+0x30/0x3c [ 1873.203123][ T3400] [] dump_stack_lvl+0x114/0x1aa [ 1873.203954][ T3400] [] dump_stack+0x1c/0x24 [ 1873.204697][ T3400] [] should_fail_ex+0x5ac/0x5b6 [ 1873.205306][ T3400] [] should_failslab+0xb2/0xfa [ 1873.205997][ T3400] [] kmem_cache_alloc_node_noprof+0x78/0x686 [ 1873.206651][ T3400] [] __alloc_skb+0x17c/0x768 [ 1873.207251][ T3400] [] nsim_dev_trap_report_work+0x232/0xbe8 [ 1873.207908][ T3400] [] process_one_work+0x90a/0x20a0 [ 1873.208684][ T3400] [] worker_thread+0x532/0xcaa [ 1873.209445][ T3400] [] kthread+0x312/0x438 [ 1873.210102][ T3400] [] ret_from_fork_kernel+0x94/0xef6 [ 1873.210729][ T3400] [] ret_from_fork_kernel_asm+0x16/0x18 [ 1879.051455][ T3400] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1881.819029][ T3400] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1884.228950][ T3400] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1886.785327][ T3400] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1911.011190][ T3400] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 1911.019700][ T3876] usb 2-1: new low-speed USB device number 10 using dummy_hcd [ 1911.458422][ T3876] usb 2-1: Invalid ep0 maxpacket: 64 [ 1911.812377][ T3876] usb 2-1: new low-speed USB device number 11 using dummy_hcd [ 1912.198123][ T3400] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 1912.547416][ T3876] usb 2-1: Invalid ep0 maxpacket: 64 [ 1912.593013][ T3876] usb usb2-port1: attempt power cycle [ 1912.810863][ T3400] bond0 (unregistering): Released all slaves [ 1913.343583][ T3876] usb 2-1: new low-speed USB device number 12 using dummy_hcd [ 1913.569348][ T3876] usb 2-1: Invalid ep0 maxpacket: 64 [ 1914.062728][ T3876] usb 2-1: new low-speed USB device number 13 using dummy_hcd [ 1914.247004][ T3876] usb 2-1: Invalid ep0 maxpacket: 64 [ 1914.277933][ T3876] usb usb2-port1: unable to enumerate USB device [ 1918.702407][ T3400] hsr_slave_0: left promiscuous mode [ 1918.947810][ T3400] hsr_slave_1: left promiscuous mode [ 1920.320310][ T3400] veth1_macvtap: left promiscuous mode [ 1920.381142][ T3400] veth0_macvtap: left promiscuous mode [ 1920.422849][ T3400] veth1_vlan: left promiscuous mode [ 1920.468465][ T3400] veth0_vlan: left promiscuous mode [ 1952.392894][ T3847] usb 2-1: new high-speed USB device number 14 using dummy_hcd [ 1952.878690][ T3847] usb 2-1: config 1 interface 0 has no altsetting 2 [ 1952.899895][ T3847] usb 2-1: New USB device found, idVendor=0b48, idProduct=1008, bcdDevice= 1.00 [ 1952.917058][ T3847] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1967.652992][ T3843] usb 2-1: USB disconnect, device number 14 [ 1972.299426][ T3843] usb 2-1: new high-speed USB device number 15 using dummy_hcd [ 1973.337906][ T3843] usb 2-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 1973.588165][ T3843] usb 2-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 1973.601886][ T3843] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 1973.608119][ T3843] usb 2-1: SerialNumber: syz [ 1979.773314][ T3843] cdc_ether 2-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.1-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 1987.258328][ T3080] 8021q: adding VLAN 0 to HW filter on device eth1 [ 1987.662628][ T3899] usb 2-1: USB disconnect, device number 15 [ 1988.192655][ T3899] cdc_ether 2-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.1-1, CDC Ethernet Device [ 1991.737766][ T3899] usb 2-1: new high-speed USB device number 16 using dummy_hcd [ 1992.020969][ T3899] usb 2-1: Using ep0 maxpacket: 8 [ 1992.810697][ T3899] usb 2-1: config index 0 descriptor too short (expected 32, got 18) [ 1992.823796][ T3899] usb 2-1: config 0 interface 0 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 2 [ 1992.846451][ T3899] usb 2-1: New USB device found, idVendor=0000, idProduct=0000, bcdDevice= 0.00 [ 1992.855914][ T3899] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1993.621581][ T3899] usb 2-1: config 0 descriptor?? [ 1994.071386][ T3899] usb-storage 2-1:0.0: USB Mass Storage device detected [ 1996.578796][ T10] usb 2-1: USB disconnect, device number 16 [ 2015.460553][ T3847] usb 2-1: new high-speed USB device number 17 using dummy_hcd [ 2016.463702][ T3847] usb 2-1: New USB device found, idVendor=1532, idProduct=011d, bcdDevice= 1.00 [ 2016.490157][ T3847] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 2016.507959][ T3847] usb 2-1: Product: syz [ 2016.523792][ T3847] usb 2-1: Manufacturer: syz [ 2024.422483][ T3847] usbhid 2-1:1.0: can't add hid device: -32 [ 2024.520603][ T3847] usbhid 2-1:1.0: probe with driver usbhid failed with error -32 [ 2027.383952][ T3845] usb 2-1: USB disconnect, device number 17 [ 2029.125589][ T3080] 8021q: adding VLAN 0 to HW filter on device eth2 [ 2038.870350][ T3899] usb 2-1: new full-speed USB device number 18 using dummy_hcd [ 2039.743730][ T3899] usb 2-1: New USB device found, idVendor=055f, idProduct=a800, bcdDevice= 1.00 [ 2039.760040][ T3899] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 2041.213879][ T3899] mdc800 2-1:1.0: Found Mustek MDC800 on USB. [ 2045.438533][ T4562] [ 2045.440160][ T4562] ====================================================== [ 2045.441276][ T4562] WARNING: possible circular locking dependency detected [ 2045.442412][ T4562] syzkaller #0 Not tainted [ 2045.443554][ T4562] ------------------------------------------------------ [ 2045.444667][ T4562] syz.1.77/4562 is trying to acquire lock: [ 2045.446570][ T4562] ffffaf801c177a18 (&mdc800->io_lock){+.+.}-{4:4}, at: mdc800_device_open+0x30/0x418 [ 2045.451826][ T4562] [ 2045.451826][ T4562] but task is already holding lock: [ 2045.452956][ T4562] ffffffff898aaf88 (minor_rwsem){++++}-{4:4}, at: usb_open+0x2c/0x1fc [ 2045.455551][ T4562] [ 2045.455551][ T4562] which lock already depends on the new lock. [ 2045.455551][ T4562] [ 2045.456856][ T4562] [ 2045.456856][ T4562] the existing dependency chain (in reverse order) is: [ 2045.458089][ T4562] [ 2045.458089][ T4562] -> #1 (minor_rwsem){++++}-{4:4}: [ 2045.460580][ T4562] lock_acquire+0x23e/0x4f2 [ 2045.462192][ T4562] down_write+0x9c/0x18e [ 2045.463814][ T4562] usb_register_dev+0x130/0x4e4 [ 2045.465149][ T4562] mdc800_usb_probe+0x30a/0xe16 [ 2045.466680][ T4562] usb_probe_interface+0x2bc/0x916 [ 2045.467999][ T4562] really_probe+0x222/0xa8e [ 2045.469211][ T4562] __driver_probe_device+0x1d6/0x43e [ 2045.470614][ T4562] driver_probe_device+0x5e/0x162 [ 2045.471980][ T4562] __device_attach_driver+0x1c2/0x30a [ 2045.473302][ T4562] bus_for_each_drv+0x142/0x1dc [ 2045.474750][ T4562] __device_attach+0x1c4/0x490 [ 2045.476018][ T4562] device_initial_probe+0xb2/0xc8 [ 2045.477347][ T4562] bus_probe_device+0x50/0x146 [ 2045.478931][ T4562] device_add+0x1150/0x1880 [ 2045.480286][ T4562] usb_set_configuration+0xe92/0x196e [ 2045.481852][ T4562] usb_generic_driver_probe+0x9e/0x11a [ 2045.483379][ T4562] usb_probe_device+0xd4/0x378 [ 2045.484918][ T4562] really_probe+0x222/0xa8e [ 2045.486169][ T4562] __driver_probe_device+0x1d6/0x43e [ 2045.487557][ T4562] driver_probe_device+0x5e/0x162 [ 2045.488800][ T4562] __device_attach_driver+0x1c2/0x30a [ 2045.490285][ T4562] bus_for_each_drv+0x142/0x1dc [ 2045.491874][ T4562] __device_attach+0x1c4/0x490 [ 2045.493181][ T4562] device_initial_probe+0xb2/0xc8 [ 2045.494416][ T4562] bus_probe_device+0x50/0x146 [ 2045.495964][ T4562] device_add+0x1150/0x1880 [ 2045.497448][ T4562] usb_new_device+0x8e6/0x169a [ 2045.498749][ T4562] hub_event+0x2c1a/0x4a62 [ 2045.500091][ T4562] process_one_work+0x90a/0x20a0 [ 2045.501698][ T4562] worker_thread+0x532/0xcaa [ 2045.503148][ T4562] kthread+0x312/0x438 [ 2045.504619][ T4562] ret_from_fork_kernel+0x94/0xef6 [ 2045.506071][ T4562] ret_from_fork_kernel_asm+0x16/0x18 [ 2045.507564][ T4562] [ 2045.507564][ T4562] -> #0 (&mdc800->io_lock){+.+.}-{4:4}: [ 2045.509791][ T4562] check_noncircular+0x138/0x14c [ 2045.511171][ T4562] __lock_acquire+0xe9c/0x25aa [ 2045.512593][ T4562] lock_acquire+0x23e/0x4f2 [ 2045.514080][ T4562] __mutex_lock+0x164/0x192e [ 2045.515539][ T4562] mutex_lock_nested+0x14/0x1c [ 2045.517143][ T4562] mdc800_device_open+0x30/0x418 [ 2045.518675][ T4562] usb_open+0x162/0x1fc [ 2045.519941][ T4562] chrdev_open+0x224/0x65a [ 2045.521290][ T4562] do_dentry_open+0x418/0x1176 [ 2045.522686][ T4562] vfs_open+0xba/0x3dc [ 2045.523954][ T4562] path_openat+0x2640/0x3ec0 [ 2045.525330][ T4562] do_file_open+0x1ae/0x398 [ 2045.526599][ T4562] do_sys_openat2+0x102/0x1ca [ 2045.528076][ T4562] __riscv_sys_openat+0x122/0x1f2 [ 2045.529595][ T4562] syscall_handler+0x92/0x114 [ 2045.531023][ T4562] do_trap_ecall_u+0x3e4/0x636 [ 2045.532323][ T4562] handle_exception+0x168/0x174 [ 2045.533799][ T4562] [ 2045.533799][ T4562] other info that might help us debug this: [ 2045.533799][ T4562] [ 2045.535165][ T4562] Possible unsafe locking scenario: [ 2045.535165][ T4562] [ 2045.536343][ T4562] CPU0 CPU1 [ 2045.537330][ T4562] ---- ---- [ 2045.538340][ T4562] rlock(minor_rwsem); [ 2045.539693][ T4562] lock(&mdc800->io_lock); [ 2045.541262][ T4562] lock(minor_rwsem); [ 2045.542864][ T4562] lock(&mdc800->io_lock); [ 2045.544301][ T4562] [ 2045.544301][ T4562] *** DEADLOCK *** [ 2045.544301][ T4562] [ 2045.545489][ T4562] 1 lock held by syz.1.77/4562: [ 2045.546550][ T4562] #0: ffffffff898aaf88 (minor_rwsem){++++}-{4:4}, at: usb_open+0x2c/0x1fc [ 2045.549679][ T4562] [ 2045.549679][ T4562] stack backtrace: [ 2045.550702][ T4562] CPU: 1 UID: 0 PID: 4562 Comm: syz.1.77 Not tainted syzkaller #0 PREEMPT [ 2045.551342][ T4562] Hardware name: riscv-virtio,qemu (DT) [ 2045.551598][ T4562] Call Trace: [ 2045.551816][ T4562] [] dump_backtrace+0x2e/0x3c [ 2045.552611][ T4562] [] show_stack+0x30/0x3c [ 2045.553193][ T4562] [] dump_stack_lvl+0x114/0x1aa [ 2045.554027][ T4562] [] dump_stack+0x1c/0x24 [ 2045.554862][ T4562] [] print_circular_bug+0x250/0x29c [ 2045.555537][ T4562] [] check_noncircular+0x138/0x14c [ 2045.556209][ T4562] [] __lock_acquire+0xe9c/0x25aa [ 2045.556927][ T4562] [] lock_acquire+0x23e/0x4f2 [ 2045.557581][ T4562] [] __mutex_lock+0x164/0x192e [ 2045.558345][ T4562] [] mutex_lock_nested+0x14/0x1c [ 2045.559117][ T4562] [] mdc800_device_open+0x30/0x418 [ 2045.559908][ T4562] [] usb_open+0x162/0x1fc [ 2045.560444][ T4562] [] chrdev_open+0x224/0x65a [ 2045.561125][ T4562] [] do_dentry_open+0x418/0x1176 [ 2045.561836][ T4562] [] vfs_open+0xba/0x3dc [ 2045.562542][ T4562] [] path_openat+0x2640/0x3ec0 [ 2045.563178][ T4562] [] do_file_open+0x1ae/0x398 [ 2045.563795][ T4562] [] do_sys_openat2+0x102/0x1ca [ 2045.564552][ T4562] [] __riscv_sys_openat+0x122/0x1f2 [ 2045.565341][ T4562] [] syscall_handler+0x92/0x114 [ 2045.566036][ T4562] [] do_trap_ecall_u+0x3e4/0x636 [ 2045.566636][ T4562] [] handle_exception+0x168/0x174 [ 2046.270972][ T3847] usb 2-1: USB disconnect, device number 18 [ 2046.983895][ T3847] mdc800 2-1:1.0: Mustek MDC800 disconnected from USB. SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 2052.279303][ T4362] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 2052.763624][ T4362] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 2060.781639][ T3080] 8021q: adding VLAN 0 to HW filter on device eth3