[ 91.342514][ T2044] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 91.356719][ T2044] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:50633' (ECDSA) to the list of known hosts. 1970/01/01 00:01:49 fuzzer started 1970/01/01 00:01:52 connecting to host at localhost:32839 1970/01/01 00:01:52 checking machine... 1970/01/01 00:01:52 checking revisions... 1970/01/01 00:01:53 testing simple program... executing program executing program [ 120.874547][ T2206] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 120.922592][ T2206] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link executing program [ 124.530335][ T2206] device hsr_slave_0 entered promiscuous mode [ 124.604954][ T2206] device hsr_slave_1 entered promiscuous mode executing program [ 126.889616][ T2206] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 127.001062][ T2206] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 127.073434][ T2206] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 127.218486][ T2206] netdevsim netdevsim0 netdevsim3: renamed from eth3 executing program [ 129.485611][ T2206] 8021q: adding VLAN 0 to HW filter on device bond0 [ 129.645458][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 129.656218][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready executing program [ 130.769273][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 130.774837][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 130.856567][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 130.865411][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 130.944409][ T1808] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 131.026912][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 131.269741][ T2517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 131.291096][ T2517] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 131.375595][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 131.386815][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 131.478992][ T2206] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 131.806667][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 131.814457][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready executing program [ 134.272080][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 134.293751][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 135.631651][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 135.653058][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 135.690920][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 135.726487][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 135.782609][ T2206] device veth0_vlan entered promiscuous mode [ 135.923615][ T2206] device veth1_vlan entered promiscuous mode [ 136.368664][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 136.390331][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 136.462108][ T2206] device veth0_macvtap entered promiscuous mode [ 136.556881][ T2206] device veth1_macvtap entered promiscuous mode [ 136.654052][ T2517] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 136.670274][ T2517] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready executing program [ 136.850805][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 136.872824][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 136.964728][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 136.999040][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 137.083367][ T2206] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 137.084886][ T2206] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 137.086148][ T2206] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 137.087329][ T2206] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 138.016938][ T2206] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation 1970/01/01 00:02:18 building call list... [ 139.071519][ T10] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 139.223162][ T10] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 139.389944][ T10] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 139.672149][ T10] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program executing program [ 142.793180][ T10] device hsr_slave_0 left promiscuous mode [ 142.875828][ T10] device hsr_slave_1 left promiscuous mode [ 143.030764][ T10] device veth1_macvtap left promiscuous mode [ 143.031919][ T10] device veth0_macvtap left promiscuous mode [ 143.033482][ T10] device veth1_vlan left promiscuous mode [ 143.034596][ T10] device veth0_vlan left promiscuous mode [ 144.669059][ T22] ================================================================== [ 144.670059][ T22] BUG: KASAN: invalid-access in __entry_tramp_text_end+0xddc/0xf000 [ 144.673585][ T22] Read at addr faff000002985160 by task kdevtmpfs/22 [ 144.677022][ T22] Pointer tag: [fa], memory tag: [fe] [ 144.677673][ T22] [ 144.678461][ T22] CPU: 0 PID: 22 Comm: kdevtmpfs Not tainted 5.14.0-syzkaller-10929-ge99f23c5bf59 #0 [ 144.679476][ T22] Hardware name: linux,dummy-virt (DT) [ 144.680332][ T22] Call trace: [ 144.681357][ T22] dump_backtrace+0x0/0x1ac [ 144.682666][ T22] show_stack+0x18/0x24 [ 144.683249][ T22] dump_stack_lvl+0x68/0x84 [ 144.683856][ T22] print_address_description+0x7c/0x2b4 [ 144.684517][ T22] kasan_report+0x134/0x380 [ 144.685195][ T22] __do_kernel_fault+0x128/0x1bc [ 144.685833][ T22] do_tag_check_fault+0x74/0x90 [ 144.686460][ T22] do_mem_abort+0x44/0xb4 [ 144.687044][ T22] el1_abort+0x40/0x60 [ 144.687712][ T22] el1h_64_sync_handler+0xb0/0xd0 [ 144.688497][ T22] el1h_64_sync+0x78/0x7c [ 144.689103][ T22] __entry_tramp_text_end+0xddc/0xf000 [ 144.689756][ T22] d_lookup+0x44/0x70 [ 144.691015][ T22] lookup_dcache+0x24/0x84 [ 144.692494][ T22] __lookup_hash+0x24/0xd0 [ 144.693068][ T22] kern_path_locked+0x90/0x10c [ 144.693665][ T22] handle_remove+0x38/0x284 [ 144.695037][ T22] devtmpfsd+0x8c/0xd0 [ 144.696004][ T22] kthread+0x150/0x15c [ 144.696565][ T22] ret_from_fork+0x10/0x20 [ 144.697286][ T22] [ 144.698130][ T22] Allocated by task 22: [ 144.699391][ T22] kasan_save_stack+0x28/0x60 [ 144.700947][ T22] __kasan_slab_alloc+0xb0/0x110 [ 144.702407][ T22] kmem_cache_alloc+0x194/0x2f4 [ 144.703894][ T22] getname_kernel+0x30/0x150 [ 144.704830][ T22] kern_path_locked+0x2c/0x10c [ 144.705449][ T22] handle_remove+0x38/0x284 [ 144.706064][ T22] devtmpfsd+0x8c/0xd0 [ 144.707328][ T22] kthread+0x150/0x15c [ 144.708819][ T22] ret_from_fork+0x10/0x20 [ 144.710480][ T22] [ 144.711273][ T22] Freed by task 22: [ 144.712841][ T22] kasan_save_stack+0x28/0x60 [ 144.713785][ T22] kasan_set_track+0x28/0x3c [ 144.715190][ T22] kasan_set_free_info+0x20/0x30 [ 144.716127][ T22] ____kasan_slab_free.constprop.0+0x178/0x1e0 [ 144.718457][ T22] __kasan_slab_free+0x10/0x1c [ 144.719450][ T22] slab_free_freelist_hook+0xc4/0x20c [ 144.721330][ T22] kmem_cache_free+0x9c/0x3d4 [ 144.721975][ T22] putname.part.0+0x68/0x7c [ 144.723862][ T22] kern_path_locked+0x64/0x10c [ 144.725528][ T22] handle_remove+0x38/0x284 [ 144.726130][ T22] devtmpfsd+0x8c/0xd0 [ 144.726677][ T22] kthread+0x150/0x15c [ 144.727224][ T22] ret_from_fork+0x10/0x20 [ 144.727977][ T22] [ 144.728414][ T22] The buggy address belongs to the object at ffff000002985140 [ 144.728414][ T22] which belongs to the cache names_cache of size 4096 [ 144.730799][ T22] The buggy address is located 32 bytes inside of [ 144.730799][ T22] 4096-byte region [ffff000002985140, ffff000002986140) [ 144.734479][ T22] The buggy address belongs to the page: [ 144.735925][ T22] page:000000007210deee refcount:1 mapcount:0 mapping:0000000000000000 index:0xfdff000002986180 pfn:0x42980 [ 144.737187][ T22] head:000000007210deee order:3 compound_mapcount:0 compound_pincount:0 [ 144.738327][ T22] flags: 0x1ffc00000010200(slab|head|node=0|zone=0|lastcpupid=0x7ff|kasantag=0x0) [ 144.739880][ T22] raw: 01ffc00000010200 0000000000000000 dead000000000122 f2ff000002837700 [ 144.740753][ T22] raw: fdff000002986180 0000000080070005 00000001ffffffff 0000000000000000 [ 144.741613][ T22] page dumped because: kasan: bad access detected [ 144.742289][ T22] [ 144.742679][ T22] Memory state around the buggy address: [ 144.743439][ T22] ffff000002984f00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 144.744239][ T22] ffff000002985000: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 144.745025][ T22] >ffff000002985100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 144.745764][ T22] ^ [ 144.746453][ T22] ffff000002985200: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 144.747198][ T22] ffff000002985300: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 144.748105][ T22] ================================================================== [ 144.748917][ T22] Disabling lock debugging due to kernel taint executing program [ 146.031801][ T10] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 146.241336][ T10] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 147.027473][ T10] bond0 (unregistering): Released all slaves executing program executing program executing program executing program executing program executing program [ 166.335608][ T2203] can: request_module (can-proto-0) failed. [ 166.599671][ T2203] can: request_module (can-proto-0) failed. executing program [ 166.810010][ T2203] can: request_module (can-proto-0) failed. executing program executing program [ 173.219606][ T2044] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 173.225366][ T2044] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 173.237492][ T2044] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 173.245531][ T2044] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. VM DIAGNOSIS: 20:09:21 Registers: info registers vcpu 0 PC=ffff8000107806ac X00=ffff8000125e5000 X01=0000000000000002 X02=0000000000000000 X03=0000000000000018 X04=f8ff000002b39080 X05=0000000000000061 X06=362e34343120205b X07=205b5d3538353337 X08=3932303030303066 X09=7962203036313538 X10=3538393230303030 X11=7420796220303631 X12=5b5d353835333736 X13=205d323254202020 X14=0000000000000000 X15=0000000000000020 X16=6478302b646e655f X17=30306678302f6364 X18=00000000fffffffd X19=ffff800012459968 X20=ffff800010780684 X21=f8ff000002b39080 X22=ffff800012459992 X23=0000000000000f01 X24=000000000000004a X25=ffff80001221ff90 X26=0000000000000000 X27=ffff800012459948 X28=ffff80001224d110 X29=ffff8000126ab5d0 X30=ffff8000107806ac SP=ffff8000126ab5d0 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=0000000000000000:3fde75526ebb3268 Z01=0000000000000000:412f9c0000000000 Z02=0000000000000000:4000cf53e62f53e6 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=0000000000000010:000000192fc909a0 Z31=0000000000000000:0000000000000000 info registers vcpu 1 PC=00000000000af510 X00=0000000000000fe7 X01=0000004000898c2f X02=00000000000e71d1 X03=0000000000000000 X04=0000000000000000 X05=0000000000000000 X06=0000000000000001 X07=0000000000000001 X08=000000000000003f X09=0000000000000200 X10=0000000000000017 X11=000510ff40000000 X12=000000021d23dafc X13=000000007fffffff X14=0000000000000002 X15=0000000000000001 X16=00000000000000ff X17=0000000000000002 X18=0000000000000000 X19=0000ffff6fa6b000 X20=0000004000039ba0 X21=000000400002cc00 X22=000000400005c000 X23=0000000000000000 X24=0000000000000000 X25=0000000000000000 X26=000000400048b250 X27=00000000013d3700 X28=0000004000000180 X29=000000400048b118 X30=00000000000af4f0 SP=000000400048b120 PSTATE=80000000 N--- EL0t 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=0000000000000000:0000000000000003 Z01=0000000000000000:3fd0000000000000 Z02=0000000000000000:3ff3333333333333 Z03=0000000000000000:0000000000000000 Z04=0000000000000000:0000040000000000 Z05=4010040140100401:4010040140100401 Z06=0000040000000000:0000040000000000 Z07=0000000000000000:3fed0f16fbc54098 Z08=0000000000000000:3f94f8c51d701020 Z09=0000000000000000:3fe4aa7e827f3404 Z10=0000000000000000:3fe0000000000000 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=0000000000000010:000000192fc909a0 Z31=0000000000000000:0000000000000000