[ 100.874605][ T3161] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 100.888305][ T3161] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 100.924081][ T3161] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:18856' (ECDSA) to the list of known hosts. 1970/01/01 00:01:59 fuzzer started 1970/01/01 00:02:02 connecting to host at localhost:39759 1970/01/01 00:02:02 checking machine... 1970/01/01 00:02:02 checking revisions... 1970/01/01 00:02:03 testing simple program... executing program executing program [ 131.755710][ T3331] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 131.799913][ T3331] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link executing program [ 134.619701][ T3331] device hsr_slave_0 entered promiscuous mode [ 134.675902][ T3331] device hsr_slave_1 entered promiscuous mode executing program [ 136.943816][ T3331] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 137.038398][ T3331] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 137.109903][ T3331] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 137.228029][ T3331] netdevsim netdevsim0 netdevsim3: renamed from eth3 executing program [ 139.336543][ T3331] 8021q: adding VLAN 0 to HW filter on device bond0 [ 139.494532][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 139.549196][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 140.645057][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 140.666117][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 140.764571][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 140.785429][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 140.888785][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 140.983660][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 141.198791][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 141.206284][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 141.291777][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 141.318701][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 141.409913][ T3331] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 141.689685][ T3647] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 141.693613][ T3647] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 143.998221][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 144.008160][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready executing program [ 145.161423][ T3647] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 145.184698][ T3647] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 145.223525][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 145.235916][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 145.288768][ T3331] device veth0_vlan entered promiscuous mode [ 145.434899][ T3331] device veth1_vlan entered promiscuous mode [ 145.860120][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 145.869642][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 145.926066][ T3331] device veth0_macvtap entered promiscuous mode [ 145.996926][ T3331] device veth1_macvtap entered promiscuous mode [ 146.175846][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 146.197674][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 146.279762][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 146.302975][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 146.419533][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 146.442777][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 146.498245][ T3331] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 146.499245][ T3331] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 146.499962][ T3331] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 146.506803][ T3331] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 147.225711][ T3331] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation executing program [ 148.076756][ T2472] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 148.269158][ T2472] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:02:27 building call list... [ 148.611622][ T2472] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 148.818261][ T2472] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 151.814656][ T2472] device hsr_slave_0 left promiscuous mode [ 151.894622][ T2472] device hsr_slave_1 left promiscuous mode [ 152.053218][ T2472] device veth1_macvtap left promiscuous mode [ 152.056919][ T2472] device veth0_macvtap left promiscuous mode [ 152.062024][ T2472] device veth1_vlan left promiscuous mode [ 152.063625][ T2472] device veth0_vlan left promiscuous mode executing program [ 153.597829][ T22] ================================================================== [ 153.598839][ T22] BUG: KASAN: invalid-access in __entry_tramp_text_end+0xdfc/0xa000 [ 153.600615][ T22] Read at addr f1ff000002ac20a0 by task kdevtmpfs/22 [ 153.601558][ T22] Pointer tag: [f1], memory tag: [fe] [ 153.603836][ T22] [ 153.604676][ T22] CPU: 1 PID: 22 Comm: kdevtmpfs Not tainted 5.14.0-syzkaller-05424-g835d31d319d9 #0 [ 153.605879][ T22] Hardware name: linux,dummy-virt (DT) [ 153.606751][ T22] Call trace: [ 153.607240][ T22] dump_backtrace+0x0/0x1b0 [ 153.607973][ T22] show_stack+0x18/0x24 [ 153.608619][ T22] dump_stack_lvl+0x68/0x84 [ 153.609281][ T22] print_address_description+0x7c/0x2b4 [ 153.610080][ T22] kasan_report+0x134/0x380 [ 153.610854][ T22] __do_kernel_fault+0x1a8/0x1dc [ 153.612004][ T22] do_tag_check_fault+0x74/0x90 [ 153.612798][ T22] do_mem_abort+0x44/0xb4 [ 153.613635][ T22] el1_abort+0x40/0x60 [ 153.615200][ T22] el1h_64_sync_handler+0xb0/0xd0 [ 153.615997][ T22] el1h_64_sync+0x78/0x7c [ 153.616909][ T22] __entry_tramp_text_end+0xdfc/0xa000 [ 153.617757][ T22] d_lookup+0x44/0x70 [ 153.618750][ T22] lookup_dcache+0x24/0x84 [ 153.620194][ T22] __lookup_hash+0x24/0xd0 [ 153.622017][ T22] kern_path_locked+0x90/0x10c [ 153.622935][ T22] handle_remove+0x38/0x284 [ 153.624391][ T22] devtmpfsd+0x8c/0xd0 [ 153.625014][ T22] kthread+0x150/0x15c [ 153.626775][ T22] ret_from_fork+0x10/0x18 [ 153.628786][ T22] [ 153.630158][ T22] Allocated by task 22: [ 153.631196][ T22] kasan_save_stack+0x28/0x60 [ 153.633386][ T22] __kasan_slab_alloc+0xb0/0x110 [ 153.634576][ T22] kmem_cache_alloc+0x1cc/0x340 [ 153.635663][ T22] getname_kernel+0x30/0x150 [ 153.636889][ T22] kern_path_locked+0x2c/0x10c [ 153.637951][ T22] handle_remove+0x38/0x284 [ 153.639185][ T22] devtmpfsd+0x8c/0xd0 [ 153.640163][ T22] kthread+0x150/0x15c [ 153.641546][ T22] ret_from_fork+0x10/0x18 [ 153.643219][ T22] [ 153.644460][ T22] Freed by task 22: [ 153.645101][ T22] kasan_save_stack+0x28/0x60 [ 153.647014][ T22] kasan_set_track+0x28/0x3c [ 153.647720][ T22] kasan_set_free_info+0x20/0x30 [ 153.648768][ T22] ____kasan_slab_free.constprop.0+0x178/0x1e0 [ 153.650837][ T22] __kasan_slab_free+0x10/0x1c [ 153.651618][ T22] slab_free_freelist_hook+0xc4/0x20c [ 153.652478][ T22] kmem_cache_free+0x9c/0x420 [ 153.653449][ T22] putname.part.0+0x68/0x7c [ 153.654380][ T22] kern_path_locked+0x64/0x10c [ 153.655273][ T22] handle_remove+0x38/0x284 [ 153.655926][ T22] devtmpfsd+0x8c/0xd0 [ 153.656523][ T22] kthread+0x150/0x15c [ 153.657132][ T22] ret_from_fork+0x10/0x18 [ 153.657807][ T22] [ 153.658334][ T22] The buggy address belongs to the object at ffff000002ac2080 [ 153.658334][ T22] which belongs to the cache names_cache of size 4096 [ 153.659776][ T22] The buggy address is located 32 bytes inside of [ 153.659776][ T22] 4096-byte region [ffff000002ac2080, ffff000002ac3080) [ 153.661060][ T22] The buggy address belongs to the page: [ 153.661933][ T22] page:00000000a6d2779a refcount:1 mapcount:0 mapping:0000000000000000 index:0xf7ff000002ac0000 pfn:0x42ac0 [ 153.663374][ T22] head:00000000a6d2779a order:3 compound_mapcount:0 compound_pincount:0 [ 153.664607][ T22] flags: 0x1ffc00000010200(slab|head|node=0|zone=0|lastcpupid=0x7ff|kasantag=0x0) [ 153.666387][ T22] raw: 01ffc00000010200 0000000000000000 dead000000000122 fdff000002837700 [ 153.667370][ T22] raw: f7ff000002ac0000 0000000080070001 00000001ffffffff 0000000000000000 [ 153.668322][ T22] page dumped because: kasan: bad access detected [ 153.669109][ T22] [ 153.669573][ T22] Memory state around the buggy address: [ 153.670535][ T22] ffff000002ac1e00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 153.671465][ T22] ffff000002ac1f00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 153.672293][ T22] >ffff000002ac2000: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 153.673137][ T22] ^ [ 153.673970][ T22] ffff000002ac2100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 153.675114][ T22] ffff000002ac2200: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 153.676269][ T22] ================================================================== [ 153.677342][ T22] Disabling lock debugging due to kernel taint [ 154.889049][ T2472] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 155.025294][ T2472] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 155.734898][ T2472] bond0 (unregistering): Released all slaves executing program executing program executing program executing program executing program executing program [ 172.183657][ T3325] can: request_module (can-proto-0) failed. [ 172.374209][ T3325] can: request_module (can-proto-0) failed. [ 172.494130][ T3325] can: request_module (can-proto-0) failed. executing program executing program executing program [ 181.657035][ T3161] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 181.666948][ T3161] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 181.675738][ T3161] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 181.684707][ T3161] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. executing program VM DIAGNOSIS: 18:31:42 Registers: info registers vcpu 0 PC=ffff80001111e804 X00=000000000000000d X01=ffff00007fba6c00 X02=ffff80001111e800 X03=ffff80006d9b5000 X04=ffff800010003f50 X05=ffff80006d9b5000 X06=000000000245f3e8 X07=0000000000000004 X08=fdff00000550cbc8 X09=8879522285ec435c X10=31c845b954fa6545 X11=ffff800011de7b80 X12=0000000000000000 X13=00000000000001b3 X14=00000000000001b3 X15=0000000000004000 X16=ffff800010004000 X17=ffff80006d9b5000 X18=0000000000000000 X19=f3ff000002831400 X20=ffff800012212868 X21=f3ff000002827900 X22=000000000000000d X23=ffff8000125e000c X24=ffff8000121eb678 X25=ffff80001243c000 X26=0000000000000001 X27=ffff8000117d24f0 X28=fdff00000550bd00 X29=ffff800010003f50 X30=ffff80001010f7e4 SP=ffff800010003f50 PSTATE=204000c9 --C- EL2h BTYPE=0 FPCR=00000000 FPSR=00000010 P00=0000 P01=0000 P02=0000 P03=0000 P04=0000 P05=0000 P06=0000 P07=0000 P08=0000 P09=0000 P10=0000 P11=0000 P12=0000 P13=0000 P14=0000 P15=0000 FFR=0000 Z00=0000000000000000:0000000000000004 Z01=0000000000000000:c1162e42fefa39ef Z02=c5ed4f004ac6cb29:fa024ca37dbcb61a Z03=0000000040000000:0000000000000000 Z04=4010040140100401:4000000000000000 Z05=4010040140100401:4010040140100401 Z06=5555400000400000:5555400000400000 Z07=0000000000000000:0000000000000000 Z08=0000000000000000:0000000000000000 Z09=0000000000000000:0000000000000000 Z10=0000000000000000:0000000000000000 Z11=0000000000000000:0000000000000000 Z12=0000000000000000:0000000000000000 Z13=0000000000000000:0000000000000000 Z14=0000000000000000:0000000000000000 Z15=0000000000000000:0000000000000000 Z16=0000000000000000:0000000000000000 Z17=0000000000000000:0000000000000000 Z18=0000000000000000:0000000000000000 Z19=0000000000000000:0000000000000000 Z20=0000000000000000:0000000000000000 Z21=0000000000000000:0000000000000000 Z22=0000000000000000:0000000000000000 Z23=0000000000000000:0000000000000000 Z24=0000000000000000:0000000000000000 Z25=0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000 Z30=0000000000000010:0000001b927bd730 Z31=0000000000000000:0000000000000000 info registers vcpu 1 PC=ffff80001077fdb4 X00=f3ff000002b26880 X01=0000000000000002 X02=ffff8000125d5018 X03=0000000000000018 X04=f3ff000002b26880 X05=000000000000005d X06=362e33353120205b X07=205b5d3835353130 X08=726f6d656d202c5d X09=5b203a6761742079 X10=676174207265746e X11=202c5d31665b203a X12=5b5d383535313036 X13=205d323254202020 X14=0000000000000000 X15=0000000000000020 X16=6478302b646e655f X17=30306178302f6366 X18=00000000fffffffd X19=ffff8000124489c2 X20=ffff80001077fdb4 X21=f3ff000002b26880 X22=ffff8000124489c3 X23=0000000000000f01 X24=000000000000003b X25=ffff80001220ff90 X26=ffff80001235e718 X27=ffff800012448988 X28=ffff8000124487d8 X29=ffff80001269b590 X30=2ffc80001077fddc SP=ffff80001269b590 PSTATE=804000c9 N--- EL2h BTYPE=0 FPCR=00000000 FPSR=00000010 P00=0000 P01=0000 P02=0000 P03=0000 P04=0000 P05=0000 P06=0000 P07=0000 P08=0000 P09=0000 P10=0000 P11=0000 P12=0000 P13=0000 P14=0000 P15=0000 FFR=0000 Z00=0000000000000000:0000000000000004 Z01=0000000000000000:c1162e42fefa39ef Z02=c5ed4f004ac6cb29:fa024ca37dbcb61a Z03=0000000040000000:0000000000000000 Z04=4010040140100401:4000000000000000 Z05=4010040140100401:4010040140100401 Z06=5555400000400000:5555400000400000 Z07=0000000000000000:0000000000000000 Z08=0000000000000000:0000000000000000 Z09=0000000000000000:0000000000000000 Z10=0000000000000000:0000000000000000 Z11=0000000000000000:0000000000000000 Z12=0000000000000000:0000000000000000 Z13=0000000000000000:0000000000000000 Z14=0000000000000000:0000000000000000 Z15=0000000000000000:0000000000000000 Z16=0000000000000000:0000000000000000 Z17=0000000000000000:0000000000000000 Z18=0000000000000000:0000000000000000 Z19=0000000000000000:0000000000000000 Z20=0000000000000000:0000000000000000 Z21=0000000000000000:0000000000000000 Z22=0000000000000000:0000000000000000 Z23=0000000000000000:0000000000000000 Z24=0000000000000000:0000000000000000 Z25=0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000 Z30=0000000000000010:0000001b927bd730 Z31=0000000000000000:0000000000000000