last executing test programs: 24.2126013s ago: executing program 1 (id=84): r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=@newlink={0x50, 0x10, 0x405, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xc010, 0xc100}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @veth={{0x9}, {0x18, 0x2, 0x0, 0x1, @val=@VETH_INFO_PEER={0x14, 0x1, {{0x0, 0x0, 0x0, 0x0, 0x54011, 0x44800}}}}}}, @IFLA_OPERSTATE={0x5, 0x10, 0x4}]}, 0x50}, 0x1, 0x0, 0x0, 0x4}, 0x0) 20.490432441s ago: executing program 1 (id=86): r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000c80)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000001200)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000d00)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_fq={{0x7}, {0xc, 0x2, [@TCA_FQ_FLOW_MAX_RATE={0x8}]}}]}, 0x38}}, 0x0) 17.272299631s ago: executing program 1 (id=88): r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000400)={0x4, 0x5, &(0x7f0000000000)=ANY=[@ANYBLOB="18020000000000000000000000000000850000001300000085"], &(0x7f00000000c0)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000600)={r0, 0x0, 0x28, 0x0, &(0x7f0000000900)="e02742e8680d85ff9782762f86dd", 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) 16.471276251s ago: executing program 0 (id=89): r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x437, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_ARP_VALIDATE={0x8}]}}}]}, 0x3c}}, 0x0) 15.659211792s ago: executing program 1 (id=90): r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x1e7d, 0x2cf6, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x2, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x7}}}}]}}]}}, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io(r0, &(0x7f0000000400)={0x2c, &(0x7f0000000280)={0x40, 0x8, 0x6, {0x6, 0x0, "3d7da329"}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$hid(r0, 0x0, &(0x7f00000004c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000440)={0x20, 0x1, 0x3, "c3e904"}, 0x0}) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000c40)={0x44, &(0x7f00000007c0)={0x80, 0xe, 0xd, "86cee894c3c2cb80cec0cc64cc"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000bc0)={0x40, 0x1e, 0x1, 0x7}, 0x0}) 12.316159838s ago: executing program 0 (id=91): r0 = socket$inet_udp(0x2, 0x2, 0x0) sendmmsg$inet(r0, &(0x7f0000000500)=[{{&(0x7f0000000100)={0x2, 0x4e23, @empty}, 0x10, 0x0}}, {{&(0x7f0000000040)={0x2, 0x4e20, @private=0xa010102}, 0x10, 0x0, 0x0, &(0x7f0000000000)=[@ip_retopts={{0x18, 0x0, 0x7, {[@cipso={0x86, 0x6}]}}}], 0x18}}], 0x2, 0x0) 9.045414679s ago: executing program 0 (id=92): r0 = socket$netlink(0x10, 0x3, 0xb) bind$netlink(r0, &(0x7f0000514ff4)={0x10, 0x0, 0x0, 0x2fffffffd}, 0xc) close(r0) 7.328599521s ago: executing program 0 (id=93): r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000600)={0x26, 'hash\x00', 0x0, 0x0, 'hmac(sha1-avx2)\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) sendmsg$IPSET_CMD_ADD(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, 0x9, 0x6, 0x401, 0x0, 0x0, {0xa, 0x0, 0x1}}, 0x14}, 0x1, 0x0, 0x0, 0x40}, 0x4008000) sendmmsg$unix(r1, &(0x7f0000003dc0)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) 3.500467953s ago: executing program 1 (id=94): r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000400)={0x4, 0x5, &(0x7f0000000000)=ANY=[@ANYBLOB="1802000000000000000000000000000085000000130000008500000050"], &(0x7f00000000c0)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000600)={r0, 0x0, 0x28, 0x0, &(0x7f0000000900)="e02742e8680d85ff9782762f86dd", 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) 2.916907739s ago: executing program 0 (id=95): r0 = socket$can_bcm(0x1d, 0x2, 0x2) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000100)={'vcan0\x00', 0x0}) connect$can_bcm(r0, &(0x7f0000000000)={0x1d, r1}, 0xa) sendmsg$can_bcm(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000400)={0x4, 0x0, 0x4, {}, {0x0, 0x2710}, {0x4, 0x1, 0x1}, 0x1, @can={{0x4, 0x1, 0x1, 0x1}, 0x4, 0x3, 0x0, 0x0, "452d2d83ec6fba75"}}, 0x48}, 0x1, 0x0, 0x0, 0x40001}, 0x20000008) 454.436169ms ago: executing program 1 (id=96): r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="0600000004000000ff0f000007"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000400007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000100000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000700)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000740)={&(0x7f00000007c0)='rseq_update\x00', r1}, 0x18) socket$nl_route(0x10, 0x3, 0x0) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) r2 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)) sendmsg$nl_route_sched(r2, 0x0, 0x44080) fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xb, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000000000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000000000000b703000000000000850000000400000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r4, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={0x0, 0x18}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="5000000010008105e9c51cd20000000000000000", @ANYRES32=r5, @ANYBLOB="01000000000000002800128009000100766c616e000000001800028006000100000000000c0002000c0000000d00000008000500", @ANYRES64=r3], 0x50}, 0x1, 0x0, 0x0, 0x80}, 0x0) r6 = socket$packet(0x11, 0x2, 0x300) sendto$packet(r6, 0x0, 0x0, 0x44010, &(0x7f0000000040)={0x11, 0x1, r5, 0x1, 0x7}, 0x14) 0s ago: executing program 0 (id=97): r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_pr_ctr_aes192\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:30879' (ED25519) to the list of known hosts. syzkaller login: [ 307.211812][ T3169] cgroup: Unknown subsys name 'net' [ 307.635884][ T3169] cgroup: Unknown subsys name 'cpuset' [ 307.785499][ T3169] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 361.773072][ T3169] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 431.530312][ T3174] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 431.699699][ T3174] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 433.888039][ T3178] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 433.949416][ T3178] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 444.596536][ T3174] hsr_slave_0: entered promiscuous mode [ 444.645829][ T3174] hsr_slave_1: entered promiscuous mode [ 448.200247][ T3178] hsr_slave_0: entered promiscuous mode [ 448.226441][ T3178] hsr_slave_1: entered promiscuous mode [ 448.303824][ T3178] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 448.306178][ T3178] Cannot create hsr debugfs directory [ 451.556135][ T3174] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 451.697698][ T3174] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 451.866467][ T3174] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 452.290399][ T3174] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 454.051162][ T3178] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 454.140147][ T3178] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 454.197535][ T3178] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 454.248215][ T3178] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 462.446564][ T3174] 8021q: adding VLAN 0 to HW filter on device bond0 [ 463.807569][ T3178] 8021q: adding VLAN 0 to HW filter on device bond0 [ 489.263742][ T3174] veth0_vlan: entered promiscuous mode [ 489.667824][ T3174] veth1_vlan: entered promiscuous mode [ 490.318878][ T3174] veth0_macvtap: entered promiscuous mode [ 490.446227][ T3174] veth1_macvtap: entered promiscuous mode [ 491.885017][ T3174] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 491.889120][ T3174] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 491.891315][ T3174] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 491.905068][ T3174] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 492.058888][ T3178] veth0_vlan: entered promiscuous mode [ 492.616306][ T3178] veth1_vlan: entered promiscuous mode [ 494.497735][ T3178] veth0_macvtap: entered promiscuous mode [ 494.746470][ T3178] veth1_macvtap: entered promiscuous mode [ 495.169059][ T3174] 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. [ 497.439274][ T3178] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 497.456722][ T3178] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 497.459235][ T3178] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 497.461303][ T3178] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 504.549663][ T3874] Zero length message leads to an empty skb [ 526.804105][ T3908] process 'syz.1.13' launched './file2' with NULL argv: empty string added [ 531.960118][ T3922] fuse: Bad value for 'fd' [ 531.980138][ T3923] fuse: Bad value for 'fd' [ 550.089150][ C1] GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog [ 564.866275][ T3970] netlink: 36 bytes leftover after parsing attributes in process `syz.1.35'. [ 564.868538][ T3970] netlink: 16 bytes leftover after parsing attributes in process `syz.1.35'. [ 564.870176][ T3970] netlink: 36 bytes leftover after parsing attributes in process `syz.1.35'. [ 564.891604][ T3970] netlink: 36 bytes leftover after parsing attributes in process `syz.1.35'. [ 579.338544][ T3985] netlink: 36 bytes leftover after parsing attributes in process `syz.0.42'. [ 579.339945][ T3985] netlink: 16 bytes leftover after parsing attributes in process `syz.0.42'. [ 579.341148][ T3985] netlink: 36 bytes leftover after parsing attributes in process `syz.0.42'. [ 579.349652][ T3985] netlink: 36 bytes leftover after parsing attributes in process `syz.0.42'. [ 580.633853][ T3979] netlink: 4 bytes leftover after parsing attributes in process `syz.1.40'. [ 581.696910][ T65] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 582.154410][ T65] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 582.158017][ T65] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 582.161658][ T65] usb 1-1: New USB device found, idVendor=1e7d, idProduct=2cf6, bcdDevice= 0.00 [ 582.186774][ T65] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 582.455482][ T65] usb 1-1: config 0 descriptor?? [ 584.039033][ T65] usbhid 1-1:0.0: can't add hid device: -32 [ 584.074526][ T65] usbhid 1-1:0.0: probe with driver usbhid failed with error -32 [ 584.296719][ T65] usb 1-1: USB disconnect, device number 2 [ 592.787040][ T4011] netlink: 36 bytes leftover after parsing attributes in process `syz.0.47'. [ 592.800962][ T4011] netlink: 16 bytes leftover after parsing attributes in process `syz.0.47'. [ 592.825704][ T4011] netlink: 36 bytes leftover after parsing attributes in process `syz.0.47'. [ 592.829208][ T4011] netlink: 36 bytes leftover after parsing attributes in process `syz.0.47'. [ 595.897393][ T3804] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 596.208850][ T3804] usb 2-1: Using ep0 maxpacket: 8 [ 596.378584][ T3804] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 596.381005][ T3804] usb 2-1: config 0 has no interfaces? [ 596.384747][ T3804] usb 2-1: New USB device found, idVendor=0f11, idProduct=1080, bcdDevice=fc.6a [ 596.386920][ T3804] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 596.540798][ T3804] usb 2-1: config 0 descriptor?? [ 597.330058][ T4024] syz.0.51 uses obsolete (PF_INET,SOCK_PACKET) [ 597.521785][ T8] usb 2-1: USB disconnect, device number 2 [ 602.419599][ T4033] netlink: 36 bytes leftover after parsing attributes in process `syz.0.53'. [ 602.421239][ T4033] netlink: 16 bytes leftover after parsing attributes in process `syz.0.53'. [ 602.423912][ T4033] netlink: 36 bytes leftover after parsing attributes in process `syz.0.53'. [ 602.425315][ T4033] netlink: 36 bytes leftover after parsing attributes in process `syz.0.53'. [ 605.442830][ T4037] netlink: 20 bytes leftover after parsing attributes in process `syz.1.55'. [ 608.328158][ C1] GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog [ 610.504831][ T3804] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 610.725431][ T3804] usb 2-1: Using ep0 maxpacket: 8 [ 610.867120][ T3804] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 610.869466][ T3804] usb 2-1: config 0 has no interfaces? [ 610.871332][ T3804] usb 2-1: New USB device found, idVendor=0f11, idProduct=1080, bcdDevice=fc.6a [ 610.878942][ T3804] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 610.969652][ T3804] usb 2-1: config 0 descriptor?? [ 611.758470][ T3804] usb 2-1: USB disconnect, device number 3 [ 635.596945][ T35] audit: type=1326 audit(634.460:2): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4091 comm="syz.0.72" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xdb8fa code=0x0 [ 637.351259][ T4097] sch_tbf: burst 3298 is lower than device lo mtu (65550) ! [ 641.991416][ T4103] netlink: 4 bytes leftover after parsing attributes in process `syz.0.76'. [ 641.998706][ T4103] netlink: 4 bytes leftover after parsing attributes in process `syz.0.76'. [ 642.000596][ T4103] netlink: 4 bytes leftover after parsing attributes in process `syz.0.76'. [ 642.005554][ T4103] netlink: 41 bytes leftover after parsing attributes in process `syz.0.76'. [ 647.489310][ T4112] fuse: Unknown parameter 'use00000000000000000000' [ 651.325920][ T4115] netlink: 4 bytes leftover after parsing attributes in process `syz.1.81'. [ 651.328319][ T4115] netlink: 4 bytes leftover after parsing attributes in process `syz.1.81'. [ 651.357486][ T4115] netlink: 4 bytes leftover after parsing attributes in process `syz.1.81'. [ 651.359965][ T4115] netlink: 33 bytes leftover after parsing attributes in process `syz.1.81'. [ 662.915415][ T4147] netlink: 4 bytes leftover after parsing attributes in process `syz.0.87'. [ 662.916856][ T4147] netlink: 4 bytes leftover after parsing attributes in process `syz.0.87'. [ 662.918019][ T4147] netlink: 4 bytes leftover after parsing attributes in process `syz.0.87'. [ 662.919121][ T4147] netlink: 33 bytes leftover after parsing attributes in process `syz.0.87'. [ 666.893582][ T3862] usb 2-1: new high-speed USB device number 4 using dummy_hcd [ 667.385759][ T3862] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 667.388284][ T3862] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 667.390449][ T3862] usb 2-1: New USB device found, idVendor=1e7d, idProduct=2cf6, bcdDevice= 0.00 [ 667.393403][ T3862] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 667.481493][ T3862] usb 2-1: config 0 descriptor?? [ 669.620939][ T3862] usbhid 2-1:0.0: can't add hid device: -32 [ 669.624415][ T3862] usbhid 2-1:0.0: probe with driver usbhid failed with error -32 [ 670.175874][ T3862] usb 2-1: USB disconnect, device number 4 [ 684.067592][ T4222] ================================================================== [ 684.069100][ T4222] BUG: KASAN: global-out-of-bounds in memcmp+0xc0/0xca [ 684.070906][ T4222] Read of size 1 at addr ffffffff89a26cc0 by task syz.1.96/4222 [ 684.071907][ T4222] [ 684.074460][ T4222] CPU: 1 UID: 0 PID: 4222 Comm: syz.1.96 Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 684.074855][ T4222] Hardware name: riscv-virtio,qemu (DT) [ 684.075200][ T4222] Call Trace: [ 684.075436][ T4222] [] dump_backtrace+0x2e/0x3c [ 684.075775][ T4222] [] show_stack+0x30/0x3c [ 684.076044][ T4222] [] dump_stack_lvl+0x12e/0x1a6 [ 684.076384][ T4222] [] print_report+0x28e/0x5aa [ 684.076686][ T4222] [] kasan_report+0xf0/0x214 [ 684.077033][ T4222] [] __asan_report_load1_noabort+0x12/0x1a [ 684.077415][ T4222] [] memcmp+0xc0/0xca [ 684.077641][ T4222] [] __hw_addr_add_ex+0xee/0x676 [ 684.077941][ T4222] [] dev_mc_add+0xac/0x108 [ 684.078290][ T4222] [] mrp_init_applicant+0xe8/0x56e [ 684.078727][ T4222] [] vlan_mvrp_init_applicant+0x26/0x30 [ 684.079107][ T4222] [] register_vlan_dev+0x1b4/0x922 [ 684.079369][ T4222] [] vlan_newlink+0x3ca/0x5fa [ 684.079679][ T4222] [] rtnl_newlink+0xbb4/0x1acc [ 684.079966][ T4222] [] rtnetlink_rcv_msg+0x9e2/0xdbe [ 684.080234][ T4222] [] netlink_rcv_skb+0x216/0x3dc [ 684.080553][ T4222] [] rtnetlink_rcv+0x26/0x30 [ 684.080966][ T4222] [] netlink_unicast+0x4f0/0x82c [ 684.081288][ T4222] [] netlink_sendmsg+0x864/0xdc6 [ 684.081643][ T4222] [] __sock_sendmsg+0xcc/0x160 [ 684.081931][ T4222] [] ____sys_sendmsg+0x5ce/0x79e [ 684.082265][ T4222] [] ___sys_sendmsg+0x144/0x1e6 [ 684.082545][ T4222] [] __sys_sendmsg+0x188/0x22a [ 684.082831][ T4222] [] __riscv_sys_sendmsg+0x70/0xa2 [ 684.083118][ T4222] [] syscall_handler+0x94/0x118 [ 684.083389][ T4222] [] do_trap_ecall_u+0x1aa/0x216 [ 684.083724][ T4222] [] handle_exception+0x146/0x152 [ 684.084313][ T4222] [ 684.098456][ T4222] The buggy address belongs to the variable: [ 684.099250][ T4222] vlan_mrp_app+0x60/0x3e80 [ 684.100029][ T4222] [ 684.100508][ T4222] The buggy address belongs to the physical page: [ 684.101471][ T4222] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x89c26 [ 684.102860][ T4222] flags: 0xffe000000002000(reserved|node=0|zone=0|lastcpupid=0x7ff) [ 684.104869][ T4222] raw: 0ffe000000002000 ffff8d8000270988 ffff8d8000270988 0000000000000000 [ 684.105713][ T4222] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 684.106597][ T4222] page dumped because: kasan: bad access detected [ 684.107451][ T4222] page_owner info is not present (never set?) [ 684.108118][ T4222] [ 684.108569][ T4222] Memory state around the buggy address: [ 684.109625][ T4222] ffffffff89a26b80: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 00 00 [ 684.110462][ T4222] ffffffff89a26c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 684.111257][ T4222] >ffffffff89a26c80: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 00 00 [ 684.112011][ T4222] ^ [ 684.112734][ T4222] ffffffff89a26d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 684.113480][ T4222] ffffffff89a26d80: f9 f9 f9 f9 00 00 00 00 f9 f9 f9 f9 00 00 00 00 [ 684.114276][ T4222] ================================================================== [ 684.116898][ T4222] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 684.118259][ T4222] CPU: 1 UID: 0 PID: 4222 Comm: syz.1.96 Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 684.119253][ T4222] Hardware name: riscv-virtio,qemu (DT) [ 684.119883][ T4222] Call Trace: [ 684.120406][ T4222] [] dump_backtrace+0x2e/0x3c [ 684.121250][ T4222] [] show_stack+0x30/0x3c [ 684.122128][ T4222] [] dump_stack_lvl+0x110/0x1a6 [ 684.123062][ T4222] [] dump_stack+0x1c/0x24 [ 684.123970][ T4222] [] panic+0x38c/0x86a [ 684.124736][ T4222] [] check_panic_on_warn+0xc0/0xe4 [ 684.125567][ T4222] [] end_report.part.0+0x4e/0xae [ 684.126493][ T4222] [] kasan_report+0x13a/0x214 [ 684.127375][ T4222] [] __asan_report_load1_noabort+0x12/0x1a [ 684.128298][ T4222] [] memcmp+0xc0/0xca [ 684.129060][ T4222] [] __hw_addr_add_ex+0xee/0x676 [ 684.129940][ T4222] [] dev_mc_add+0xac/0x108 [ 684.130765][ T4222] [] mrp_init_applicant+0xe8/0x56e [ 684.131573][ T4222] [] vlan_mvrp_init_applicant+0x26/0x30 [ 684.132397][ T4222] [] register_vlan_dev+0x1b4/0x922 [ 684.133191][ T4222] [] vlan_newlink+0x3ca/0x5fa [ 684.134003][ T4222] [] rtnl_newlink+0xbb4/0x1acc [ 684.134763][ T4222] [] rtnetlink_rcv_msg+0x9e2/0xdbe [ 684.135594][ T4222] [] netlink_rcv_skb+0x216/0x3dc [ 684.136425][ T4222] [] rtnetlink_rcv+0x26/0x30 [ 684.137289][ T4222] [] netlink_unicast+0x4f0/0x82c [ 684.138164][ T4222] [] netlink_sendmsg+0x864/0xdc6 [ 684.139047][ T4222] [] __sock_sendmsg+0xcc/0x160 [ 684.139839][ T4222] [] ____sys_sendmsg+0x5ce/0x79e [ 684.140588][ T4222] [] ___sys_sendmsg+0x144/0x1e6 [ 684.141363][ T4222] [] __sys_sendmsg+0x188/0x22a [ 684.142293][ T4222] [] __riscv_sys_sendmsg+0x70/0xa2 [ 684.143148][ T4222] [] syscall_handler+0x94/0x118 [ 684.143930][ T4222] [] do_trap_ecall_u+0x1aa/0x216 [ 684.144773][ T4222] [] handle_exception+0x146/0x152 [ 684.145908][ T4222] SMP: stopping secondary CPUs [ 684.149010][ T4222] Rebooting in 86400 seconds.. VM DIAGNOSIS: 21:00:41 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff84716d88 mhartid 0000000000000000 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff86268630 vstvec 0000000000000000 mepc ffffffff805445e2 sepc ffffffff801568f6 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 000000008004a000 sscratch 0000000000000000 satp 90226000000aff0a x0/zero 0000000000000000 x1/ra ffffffff84716d88 x2/sp ffff8f8000007a10 x3/gp ffffffff89c1d3c0 x4/tp ffffaf802c87b480 x5/t0 2fbca246ed963041 x6/t1 ffffaf802c87bfd8 x7/t2 000000000000003f x8/s0 ffff8f8000007a30 x9/s1 000000019c2c5f69 x10/a0 0000000000015137 x11/a1 ffffaf806ed68280 x12/a2 00000000000f0000 x13/a3 ffffffff84716d88 x14/a4 0000000000010000 x15/a5 ffffaf802c87b480 x16/a6 00000000000f0000 x17/a7 fffffffff1c7ae79 x18/s2 0000000000015137 x19/s3 0000000000000000 x20/s4 000000000000001e x21/s5 000000000083b9e0 x22/s6 fffff5ef0ddab24c x23/s7 0000000000000004 x24/s8 ffffaf806ed59200 x25/s9 ffffaf806ed59254 x26/s10 7fffffffffffffff x27/s11 1ffff5f00ddab27d x28/t3 ffffaf802c87bfb0 x29/t4 1ffff5f00590f7f5 x30/t5 1ffff5f00590f7ff x31/t6 000000000000000f fcsr 0000000000000000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000 info registers vcpu 1 CPU#1 V = 0 pc ffffffff8005fa38 mhartid 0000000000000001 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000020 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff86268630 vstvec 0000000000000000 mepc ffffffff80088636 sepc ffffffff85d7c39c vsepc 0000000000000000 mcause 0000000000000009 scause 0000000000000008 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080048000 sscratch 0000000000000000 satp 90223000000b0678 x0/zero 0000000000000000 x1/ra ffffffff8005fa38 x2/sp ffff8f8006c56d10 x3/gp ffffffff89c1d3c0 x4/tp ffffaf801c361a40 x5/t0 ffff8f8006c56934 x6/t1 fffffffef1384ca8 x7/t2 7320666f20646165 x8/s0 ffff8f8006c56d40 x9/s1 0000000000000000 x10/a0 0000000000000005 x11/a1 0000000000000000 x12/a2 0000000000080000 x13/a3 ffffffff8005fa38 x14/a4 ffff8f8008027408 x15/a5 000000000003b408 x16/a6 0000000000000003 x17/a7 0000000000000003 x18/s2 ffffffff87be8638 x19/s3 0000000000000001 x20/s4 ffffaf8070fed860 x21/s5 0000000089c26cc0 x22/s6 ffffffff87d8fe80 x23/s7 0000000000000004 x24/s8 ffffaf801d540200 x25/s9 0000000000000004 x26/s10 0000000000000000 x27/s11 ffffaf802c8ce3c8 x28/t3 ffffffff802cb7e4 x29/t4 fffffffef1384ca8 x30/t5 fffffffef1384ca9 x31/t6 ffff8f8006c56718 fcsr 0000000000000000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000