00000000 [ 1047.413515][T12244] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1047.421749][T12244] [ 1047.430457][T12244] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1047.446480][T12244] bond10000000000 (unregistered): Released all slaves 02:09:09 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00'}) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}, 0x10) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)='X', 0x8030000}], 0x1) recvmmsg(r1, &(0x7f0000003e40)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000035c0)=""/241, 0xf1}}, {{&(0x7f00000036c0)=@un=@abs, 0x80, &(0x7f0000003780), 0x0, &(0x7f00000037c0)=""/236, 0xec}}, {{0x0, 0x0, &(0x7f0000003bc0)=[{0x0}, {&(0x7f0000003a00)=""/190, 0xbe}, {&(0x7f0000003ac0)=""/131, 0x83}, {0x0}], 0x4, &(0x7f0000003c00)=""/73, 0x49}}, {{&(0x7f0000003c80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, 0x0, 0x0, &(0x7f0000003e00)=""/48, 0x30}}], 0x4, 0x40000121, 0x0) 02:09:09 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x2000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:09 executing program 3: syz_emit_ethernet(0x4a, &(0x7f0000000000)={@multicast, @remote, @void, {@ipv4={0x800, @tipc={{0x5, 0x4, 0x0, 0x0, 0x3c, 0x0, 0x0, 0x0, 0x6, 0x0, @loopback, @multicast1}, @name_distributor={{0x28, 0x0, 0x0, 0x0, 0x0, 0xa}}}}}}, 0x0) 02:09:10 executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@dev, @local, @void, {@ipv4={0x800, @gre={{0x17, 0x4, 0x0, 0x0, 0xa0, 0x0, 0x0, 0x0, 0x2f, 0x0, @rand_addr, @broadcast, {[@timestamp_addr={0x44, 0x2c, 0x0, 0x1, 0x0, [{@dev}, {@loopback}, {}, {@loopback}, {@private}]}, @timestamp_addr={0x44, 0x14, 0x0, 0x1, 0x0, [{@local}, {@empty}]}, @ra={0x94, 0x4}, @timestamp={0x44, 0x4}]}}}}}}, 0x0) [ 1047.795882][T12252] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1047.805575][T12252] CPU: 1 PID: 12252 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1047.815966][T12252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1047.826239][T12252] Call Trace: [ 1047.829700][T12252] [ 1047.832800][T12252] dump_stack_lvl+0x1bf/0x240 [ 1047.837810][T12252] dump_stack+0x1e/0x20 [ 1047.842258][T12252] sysfs_create_dir_ns+0x459/0x4c0 [ 1047.847647][T12252] ? device_release+0x2e0/0x2e0 [ 1047.852773][T12252] kobject_add_internal+0xd08/0x16a0 [ 1047.858378][T12252] kobject_add+0x28c/0x3b0 [ 1047.863095][T12252] ? kobject_put+0x1fe/0x330 [ 1047.867966][T12252] device_add+0xaa2/0x1f20 [ 1047.872656][T12252] netdev_register_kobject+0x1ec/0x520 [ 1047.878409][T12252] register_netdevice+0x138a/0x1cd0 [ 1047.883909][T12252] bond_newlink+0x98/0x140 [ 1047.888640][T12252] ? bond_validate+0x270/0x270 [ 1047.893688][T12252] rtnl_newlink+0x2d5f/0x4110 [ 1047.898694][T12252] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1047.905236][T12252] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1047.911332][T12252] ? rtnl_setlink+0x7f0/0x7f0 [ 1047.916261][T12252] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1047.921677][T12252] ? ref_tracker_free+0x45/0xc10 [ 1047.926880][T12252] ? filter_irq_stacks+0x60/0x1a0 [ 1047.932206][T12252] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1047.938322][T12252] ? filter_irq_stacks+0x164/0x1a0 [ 1047.943739][T12252] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1047.949847][T12252] netlink_rcv_skb+0x371/0x650 [ 1047.954894][T12252] ? rtnetlink_bind+0xf0/0xf0 [ 1047.959844][T12252] ? rtnetlink_net_exit+0x60/0x60 [ 1047.965129][T12252] rtnetlink_rcv+0x34/0x40 [ 1047.969810][T12252] netlink_unicast+0xf47/0x1250 [ 1047.974942][T12252] netlink_sendmsg+0x1238/0x13d0 [ 1047.980166][T12252] ? netlink_getsockopt+0x980/0x980 [ 1047.985637][T12252] ____sys_sendmsg+0x9c2/0xd60 [ 1047.990702][T12252] ___sys_sendmsg+0x28d/0x3c0 [ 1047.995669][T12252] ? __fget_files+0x580/0x640 [ 1048.000603][T12252] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1048.006720][T12252] __x64_sys_sendmsg+0x307/0x490 [ 1048.011956][T12252] do_syscall_64+0x44/0x110 [ 1048.016704][T12252] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1048.022910][T12252] RIP: 0033:0x7f449387cae9 [ 1048.027553][T12252] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1048.047460][T12252] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1048.056152][T12252] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1048.064351][T12252] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1048.072530][T12252] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1048.080729][T12252] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1048.088910][T12252] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1048.097118][T12252] [ 1048.111881][T12252] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1048.128761][T12252] bond10000000000 (unregistered): Released all slaves 02:09:10 executing program 3: syz_emit_ethernet(0xa6, &(0x7f0000000000)={@dev, @local, @void, {@ipv4={0x800, @gre={{0x15, 0x4, 0x0, 0x0, 0x98, 0x0, 0x0, 0x0, 0x29, 0x0, @rand_addr, @broadcast, {[@timestamp_addr={0x44, 0x14, 0x0, 0x1, 0x0, [{}, {@private}]}, @timestamp_addr={0x44, 0x14, 0x0, 0x1, 0x0, [{@local}, {@empty}]}, @timestamp={0x2b, 0x18, 0x0, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0]}]}}}}}}, 0x0) 02:09:10 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x68000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:10 executing program 0: syz_open_dev$usbmon(&(0x7f0000000200), 0xffffffffffffffcb, 0x4801) 02:09:11 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x3000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:11 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="4804", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) [ 1048.708577][T12264] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1048.718707][T12264] CPU: 1 PID: 12264 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1048.729113][T12264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1048.739443][T12264] Call Trace: [ 1048.742924][T12264] [ 1048.746045][T12264] dump_stack_lvl+0x1bf/0x240 [ 1048.751097][T12264] dump_stack+0x1e/0x20 [ 1048.755607][T12264] sysfs_create_dir_ns+0x459/0x4c0 [ 1048.761025][T12264] ? device_release+0x2e0/0x2e0 [ 1048.766200][T12264] kobject_add_internal+0xd08/0x16a0 [ 1048.771805][T12264] kobject_add+0x28c/0x3b0 [ 1048.776522][T12264] ? kobject_put+0x1fe/0x330 [ 1048.781390][T12264] device_add+0xaa2/0x1f20 [ 1048.786079][T12264] netdev_register_kobject+0x1ec/0x520 [ 1048.791827][T12264] register_netdevice+0x138a/0x1cd0 [ 1048.797318][T12264] bond_newlink+0x98/0x140 [ 1048.802027][T12264] ? bond_validate+0x270/0x270 [ 1048.807088][T12264] rtnl_newlink+0x2d5f/0x4110 [ 1048.812122][T12264] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1048.818665][T12264] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1048.824764][T12264] ? rtnl_setlink+0x7f0/0x7f0 [ 1048.829697][T12264] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1048.835107][T12264] ? ref_tracker_free+0x45/0xc10 [ 1048.840318][T12264] ? filter_irq_stacks+0x60/0x1a0 [ 1048.845627][T12264] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1048.851799][T12264] ? filter_irq_stacks+0x164/0x1a0 [ 1048.857234][T12264] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1048.863431][T12264] netlink_rcv_skb+0x371/0x650 [ 1048.868493][T12264] ? rtnetlink_bind+0xf0/0xf0 [ 1048.873462][T12264] ? rtnetlink_net_exit+0x60/0x60 [ 1048.878787][T12264] rtnetlink_rcv+0x34/0x40 [ 1048.883466][T12264] netlink_unicast+0xf47/0x1250 [ 1048.888596][T12264] netlink_sendmsg+0x1238/0x13d0 [ 1048.893825][T12264] ? netlink_getsockopt+0x980/0x980 [ 1048.899293][T12264] ____sys_sendmsg+0x9c2/0xd60 [ 1048.904352][T12264] ___sys_sendmsg+0x28d/0x3c0 [ 1048.909319][T12264] ? __fget_files+0x580/0x640 [ 1048.914257][T12264] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1048.920375][T12264] __x64_sys_sendmsg+0x307/0x490 [ 1048.925613][T12264] do_syscall_64+0x44/0x110 [ 1048.930370][T12264] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1048.936576][T12264] RIP: 0033:0x7f9a85a7cae9 [ 1048.941202][T12264] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1048.961086][T12264] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1048.969778][T12264] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1048.977977][T12264] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1048.986164][T12264] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1048.994350][T12264] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1049.002543][T12264] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1049.010753][T12264] [ 1049.021783][T12264] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1049.039761][T12264] bond10000000000 (unregistered): Released all slaves 02:09:11 executing program 3: prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000474000/0x1000)=nil, 0x1000, &(0x7f00000001c0)='@-U\"\xb3\xd4\xbe\xee\x8d\xd8[\xe1-\x81\xa0U\xee\v\xb3\xfe\x0e\xbe\xee\xb3\xdc_\x8d\x8e\xc6\xd7\xd0\x16\xb3\xf5\xb1\xd4>SWA\xb0BX\xac;\xc2q\x952:\x03[\x01&\x11\x86R\xef\xf2\x92\xb6\xdeT\xd2\xdfv\x1750\r\xd1\xa9)FL\x94N\x9b0d3\xeb\x05\x94\x1d\xd8j4\xf1\xecc\xb9d\xfdO\xe1s\xa0>\xe9~l\x8aI\xe9\xfd\x92\'\x18\xa3@\x9b4U\xee2\x113]\x927\x02\x12|\x89\xb7\xb3\x83?t\n\xf7\x19L-5\xad\xae[\xa9\xd1D\x89z|\xfd\xf8c\x13f~cc./\xb7\x83\x93\v+\xca\x9d\xd8\x86\x0f\xd1\xd0\xa0\x9e\xd0x\xca\xe8|>|i\xdd\x01\x18*\x17\x87<\x1dB\x91\xf6n\xa0\xa9\x85\xcd\xd2\xf7\xa2\xbc\xd1`\xf0\x13`\xb1\xe29\xe2\x19[\xf3\xdf\x8f\xf2\x15\xc5\x8fd\xe3b\xf3\x0f\xb8\x84\x1f\xd0.q3\xe3;~D\xbc\xd6o\x9c\x7f;j\x8c\xc5r\xd6\x1cU\x8c\xbe\xc2\xa2\x8b\xa2fs\xe40\x1d.\x7f\xee\r\xe5\xbfu\xb3\xe8\xb1\x002\x80g\xe5\x92z\x90\xf5\xcf\xe6\xc1\x90\xba\xff\xb5\x0f\xb3\xc0{fs\x84\x9a\xbe6p\xb9\xbb_Yd\xd3\x83$]\xf4n;\x8a\xd7y\x8c\td=\x17\xe4\x8bT\xc1\xd6\x93\x16E|C\xb5)[J\x0e\xc3\xabV\'\x17=\xc3 &\x1f\xfa4\xca\xd8\xa2b\x02\xd6\x8b\x91\xd3[H0\xea\r\x94\xa9\xe1\x99\xa2\x8d\xef0\x15\v2\"\xbd\xb4s\x93%j\xc5Z\xc5\xfc\xfb\xf5\xd6\xa2\xc2\xae\x038\x9c\x87') prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f00007eb000/0x2000)=nil, 0x2000, &(0x7f0000000000)='\x00') prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x0) 02:09:11 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x6c000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1049.515611][T12270] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1049.525237][T12270] CPU: 1 PID: 12270 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1049.535614][T12270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1049.545924][T12270] Call Trace: [ 1049.549403][T12270] [ 1049.552521][T12270] dump_stack_lvl+0x1bf/0x240 [ 1049.557562][T12270] dump_stack+0x1e/0x20 [ 1049.562066][T12270] sysfs_create_dir_ns+0x459/0x4c0 [ 1049.567489][T12270] ? device_release+0x2e0/0x2e0 [ 1049.572682][T12270] kobject_add_internal+0xd08/0x16a0 [ 1049.578316][T12270] kobject_add+0x28c/0x3b0 [ 1049.583088][T12270] ? kobject_put+0x1fe/0x330 [ 1049.588005][T12270] device_add+0xaa2/0x1f20 [ 1049.592757][T12270] netdev_register_kobject+0x1ec/0x520 [ 1049.598549][T12270] register_netdevice+0x138a/0x1cd0 [ 1049.604088][T12270] bond_newlink+0x98/0x140 [ 1049.608847][T12270] ? bond_validate+0x270/0x270 [ 1049.613952][T12270] rtnl_newlink+0x2d5f/0x4110 [ 1049.619021][T12270] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1049.625634][T12270] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1049.631794][T12270] ? rtnl_setlink+0x7f0/0x7f0 [ 1049.636778][T12270] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1049.642244][T12270] ? ref_tracker_free+0x45/0xc10 [ 1049.647498][T12270] ? filter_irq_stacks+0x60/0x1a0 [ 1049.652975][T12270] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1049.659154][T12270] ? filter_irq_stacks+0x164/0x1a0 [ 1049.664620][T12270] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1049.670786][T12270] netlink_rcv_skb+0x371/0x650 [ 1049.675895][T12270] ? rtnetlink_bind+0xf0/0xf0 [ 1049.680904][T12270] ? rtnetlink_net_exit+0x60/0x60 [ 1049.686267][T12270] rtnetlink_rcv+0x34/0x40 [ 1049.691054][T12270] netlink_unicast+0xf47/0x1250 [ 1049.696271][T12270] netlink_sendmsg+0x1238/0x13d0 [ 1049.701564][T12270] ? netlink_getsockopt+0x980/0x980 [ 1049.707090][T12270] ____sys_sendmsg+0x9c2/0xd60 [ 1049.712249][T12270] ___sys_sendmsg+0x28d/0x3c0 [ 1049.717292][T12270] ? __fget_files+0x580/0x640 [ 1049.722309][T12270] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1049.728514][T12270] __x64_sys_sendmsg+0x307/0x490 [ 1049.733814][T12270] do_syscall_64+0x44/0x110 [ 1049.738609][T12270] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1049.744885][T12270] RIP: 0033:0x7f449387cae9 02:09:12 executing program 0: prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffc000/0x2000)=nil, 0x2000, &(0x7f00000001c0)='@-U\"\xb3\xd4\xbe\xee\x8d\xd8[\xe1-\x81\xa0U\xee\v\xb3\xfe\x0e\xbe\xee\xb3\xdc_\x8d\x8e\xc6\xd7\xd0\x16\xb3\xf5\xb1\xd4>SWA\xb0BX\xac;\xc2q\x952:\x03[\x01&\x11\x86R\xef\xf2\x92\xb6\xdeT\xd2\xdfv\x1750\r\xd1\x90\xdc\xbd\x1f\xf0\xf6\xc6\xd1\xa9)FL\x94N\x9b0d3\xeb\x05\x94\x1d\xd8\xe1s\xa0>\xe9~l\x8aI\xe9\xfd\x92\'\x18\xa3@\x9b4U\xee2\x113]\x927\x02\x12|\x89\xb7\xb3\x83\xae3\x9f\x80\x86\xb8\xb3[\xad\xae[\xa9\xd1D\x89z|\xfd\xf8c') prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000dfc000/0x4000)=nil, 0x4000, 0x0) mlock(&(0x7f0000ffc000/0x4000)=nil, 0x4000) [ 1049.749557][T12270] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1049.769510][T12270] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1049.778258][T12270] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1049.786512][T12270] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1049.794746][T12270] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1049.802987][T12270] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1049.811227][T12270] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1049.819507][T12270] [ 1049.828606][T12270] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1049.845549][T12270] bond10000000000 (unregistered): Released all slaves 02:09:12 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00'}) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}, 0x10) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)='X', 0x8030000}], 0x1) recvmmsg(r1, &(0x7f0000003e40)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000035c0)=""/241, 0xf1}}, {{&(0x7f00000036c0)=@un=@abs, 0x80, &(0x7f0000003780)=[{0x0}], 0x1, &(0x7f00000037c0)=""/236, 0xec}}, {{0x0, 0x0, &(0x7f0000003bc0)=[{0x0}, {&(0x7f0000003a00)=""/190, 0xbe}, {&(0x7f0000003ac0)=""/131, 0x83}, {0x0}], 0x4, &(0x7f0000003c00)=""/73, 0x49}}, {{&(0x7f0000003c80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, 0x0, 0x0, &(0x7f0000003e00)=""/48, 0x30}}], 0x4, 0x40000121, 0x0) 02:09:12 executing program 3: syz_emit_ethernet(0x46, &(0x7f0000000080)={@multicast, @random="92703410472e", @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "838524", 0x10, 0x0, 0x0, @private0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}, {[@hopopts={0x0, 0x1, '\x00', [@pad1, @generic={0x0, 0x3, "12caa4"}]}]}}}}}, 0x0) 02:09:12 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="4804", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:13 executing program 0: pselect6(0x40, &(0x7f0000000bc0), &(0x7f0000000c00), &(0x7f0000000100), &(0x7f0000000cc0), &(0x7f0000000d40)={&(0x7f0000000d00), 0xffffffffffffff02}) 02:09:13 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x2) setsockopt$inet6_group_source_req(r0, 0x29, 0x13, &(0x7f0000000100)={0x0, {{0xa, 0x0, 0x0, @mcast1}}, {{0xa, 0x0, 0x0, @loopback}}}, 0x108) 02:09:13 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x4000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:13 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x74000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:13 executing program 3: syz_emit_ethernet(0x2a, &(0x7f00000000c0)={@broadcast, @local, @void, {@ipv4={0x800, @igmp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x2, 0x0, @private, @empty}, {0x12, 0x0, 0x0, @loopback}}}}}, 0x0) 02:09:13 executing program 0: prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffa000/0x2000)=nil, 0xc611c89d12635abd, &(0x7f0000000000)='@-U\"\xb3\xd4\xbe\xee\x8d\xd8[\xe1-\x81\xa0U\xee\v\xb3\xfe\x0e\xbe\xee\xb3\xdcBX\xac;\x1e\x13\x952:\x03[\x01&\x11\x86R\xef\xf2\x92\xb6\xdea\xd2\xdfv\x1750\r\xd1\x90\xdc\xbd\x1f\xf0\xf6\xc6\xd1\xa9)FL\x94N\x9b0d3\xeb\x05\x94\x1d\xd8\xe1s\xa0>\xe9~l\x8aI\xe9\xfd\x92\'\x18\xa3@\x9b4U\xee2\x113]\x927\x02\x12|\x89\xb7\xb3\x83\xae3\x9f\x80\x86\xb8\xb3[\xad\xae[\xa9\xd1D\x89z|\xfd\xf8c') [ 1050.608191][T12275] workqueue: Failed to create a rescuer kthread for wq "bond10000000000": -EINTR [ 1051.165891][T12299] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1051.184821][T12299] CPU: 1 PID: 12299 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1051.195204][T12299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1051.205486][T12299] Call Trace: [ 1051.208955][T12299] [ 1051.212057][T12299] dump_stack_lvl+0x1bf/0x240 [ 1051.217062][T12299] dump_stack+0x1e/0x20 [ 1051.221515][T12299] sysfs_create_dir_ns+0x459/0x4c0 [ 1051.226890][T12299] ? device_release+0x2e0/0x2e0 [ 1051.232030][T12299] kobject_add_internal+0xd08/0x16a0 [ 1051.237633][T12299] kobject_add+0x28c/0x3b0 [ 1051.242351][T12299] ? kobject_put+0x1fe/0x330 [ 1051.247226][T12299] device_add+0xaa2/0x1f20 [ 1051.251922][T12299] netdev_register_kobject+0x1ec/0x520 [ 1051.257672][T12299] register_netdevice+0x138a/0x1cd0 [ 1051.263161][T12299] bond_newlink+0x98/0x140 [ 1051.267867][T12299] ? bond_validate+0x270/0x270 [ 1051.273013][T12299] rtnl_newlink+0x2d5f/0x4110 [ 1051.278023][T12299] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1051.284564][T12299] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1051.290661][T12299] ? rtnl_setlink+0x7f0/0x7f0 [ 1051.295593][T12299] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1051.301000][T12299] ? ref_tracker_free+0x45/0xc10 [ 1051.306208][T12299] ? filter_irq_stacks+0x60/0x1a0 [ 1051.311537][T12299] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1051.317656][T12299] ? filter_irq_stacks+0x164/0x1a0 [ 1051.323071][T12299] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1051.329211][T12299] netlink_rcv_skb+0x371/0x650 [ 1051.334264][T12299] ? rtnetlink_bind+0xf0/0xf0 [ 1051.339242][T12299] ? rtnetlink_net_exit+0x60/0x60 [ 1051.344532][T12299] rtnetlink_rcv+0x34/0x40 [ 1051.349206][T12299] netlink_unicast+0xf47/0x1250 [ 1051.354354][T12299] netlink_sendmsg+0x1238/0x13d0 [ 1051.359585][T12299] ? netlink_getsockopt+0x980/0x980 [ 1051.365048][T12299] ____sys_sendmsg+0x9c2/0xd60 [ 1051.370099][T12299] ___sys_sendmsg+0x28d/0x3c0 [ 1051.375070][T12299] ? kvm_set_cpu_l1tf_flush_l1d+0x1f/0x30 [ 1051.381053][T12299] ? sysvec_call_function_single+0x4a/0x90 [ 1051.387137][T12299] ? asm_sysvec_call_function_single+0x1f/0x30 [ 1051.393575][T12299] __x64_sys_sendmsg+0x307/0x490 [ 1051.398809][T12299] do_syscall_64+0x44/0x110 [ 1051.403562][T12299] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1051.409779][T12299] RIP: 0033:0x7f449387cae9 [ 1051.414446][T12299] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1051.434342][T12299] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1051.443032][T12299] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1051.451279][T12299] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1051.459464][T12299] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1051.467652][T12299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1051.475837][T12299] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1051.484070][T12299] [ 1051.495743][T12299] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1051.516802][T12299] bond10000000000 (unregistered): Released all slaves [ 1051.764970][T12300] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1051.774504][T12300] CPU: 1 PID: 12300 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1051.784867][T12300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1051.795168][T12300] Call Trace: [ 1051.798623][T12300] [ 1051.801718][T12300] dump_stack_lvl+0x1bf/0x240 [ 1051.806721][T12300] dump_stack+0x1e/0x20 [ 1051.811167][T12300] sysfs_create_dir_ns+0x459/0x4c0 [ 1051.816560][T12300] ? device_release+0x2e0/0x2e0 [ 1051.821718][T12300] kobject_add_internal+0xd08/0x16a0 [ 1051.827333][T12300] kobject_add+0x28c/0x3b0 [ 1051.832062][T12300] ? kobject_put+0x1fe/0x330 [ 1051.836938][T12300] device_add+0xaa2/0x1f20 [ 1051.841642][T12300] netdev_register_kobject+0x1ec/0x520 [ 1051.847386][T12300] register_netdevice+0x138a/0x1cd0 [ 1051.852884][T12300] bond_newlink+0x98/0x140 [ 1051.857618][T12300] ? bond_validate+0x270/0x270 [ 1051.862759][T12300] rtnl_newlink+0x2d5f/0x4110 [ 1051.867792][T12300] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1051.873905][T12300] ? rtnl_setlink+0x7f0/0x7f0 [ 1051.878835][T12300] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1051.884242][T12300] ? ref_tracker_free+0x45/0xc10 [ 1051.889437][T12300] ? filter_irq_stacks+0x60/0x1a0 [ 1051.894732][T12300] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1051.900841][T12300] ? filter_irq_stacks+0x164/0x1a0 [ 1051.906234][T12300] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1051.912341][T12300] netlink_rcv_skb+0x371/0x650 [ 1051.917405][T12300] ? rtnetlink_bind+0xf0/0xf0 [ 1051.922388][T12300] ? rtnetlink_net_exit+0x60/0x60 [ 1051.927697][T12300] rtnetlink_rcv+0x34/0x40 [ 1051.932411][T12300] netlink_unicast+0xf47/0x1250 [ 1051.937547][T12300] netlink_sendmsg+0x1238/0x13d0 [ 1051.942777][T12300] ? netlink_getsockopt+0x980/0x980 [ 1051.948259][T12300] ____sys_sendmsg+0x9c2/0xd60 [ 1051.953317][T12300] ___sys_sendmsg+0x28d/0x3c0 [ 1051.958281][T12300] ? __fget_files+0x580/0x640 [ 1051.963219][T12300] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1051.969323][T12300] __x64_sys_sendmsg+0x307/0x490 [ 1051.974556][T12300] do_syscall_64+0x44/0x110 [ 1051.979296][T12300] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1051.985496][T12300] RIP: 0033:0x7f9a85a7cae9 [ 1051.990128][T12300] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1052.010010][T12300] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1052.018707][T12300] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1052.026931][T12300] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1052.035119][T12300] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1052.043306][T12300] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1052.051484][T12300] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1052.059694][T12300] [ 1052.069817][T12300] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1052.085792][T12300] bond10000000000 (unregistered): Released all slaves 02:09:14 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="4804", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:14 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x5000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:14 executing program 3: symlinkat(&(0x7f0000000000)='./file0\x00', 0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00') readlinkat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)=""/44, 0x2c) 02:09:14 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00'}) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}, 0x10) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)='X', 0x8030000}], 0x1) recvmmsg(r1, &(0x7f0000003e40)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000035c0)=""/241, 0xf1}}, {{&(0x7f00000036c0)=@un=@abs, 0x80, &(0x7f0000003780)=[{0x0}], 0x1, &(0x7f00000037c0)=""/236, 0xec}}, {{0x0, 0x0, &(0x7f0000003bc0)=[{0x0}, {&(0x7f0000003a00)=""/190, 0xbe}, {&(0x7f0000003ac0)=""/131, 0x83}, {0x0}], 0x4, &(0x7f0000003c00)=""/73, 0x49}}, {{&(0x7f0000003c80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, 0x0, 0x0, &(0x7f0000003e00)=""/48, 0x30}}], 0x4, 0x40000121, 0x0) 02:09:14 executing program 0: syz_emit_ethernet(0x412, &(0x7f0000000080)=ANY=[@ANYBLOB="bbbbbbbbbbbb92703410472e86dd616361b803dc1100fe880000000000000000000000000001fe8000000000000000000000000000aa16080404f8"], 0x0) 02:09:15 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x7a000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1052.855017][T12316] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1052.865011][T12316] CPU: 0 PID: 12316 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1052.875417][T12316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1052.885689][T12316] Call Trace: [ 1052.889148][T12316] [ 1052.892248][T12316] dump_stack_lvl+0x1bf/0x240 [ 1052.897260][T12316] dump_stack+0x1e/0x20 [ 1052.901700][T12316] sysfs_create_dir_ns+0x459/0x4c0 [ 1052.907067][T12316] ? device_release+0x2e0/0x2e0 [ 1052.912208][T12316] kobject_add_internal+0xd08/0x16a0 [ 1052.917790][T12316] kobject_add+0x28c/0x3b0 [ 1052.922500][T12316] ? kobject_put+0x1fe/0x330 [ 1052.927376][T12316] device_add+0xaa2/0x1f20 [ 1052.932105][T12316] netdev_register_kobject+0x1ec/0x520 [ 1052.937850][T12316] register_netdevice+0x138a/0x1cd0 [ 1052.943358][T12316] bond_newlink+0x98/0x140 [ 1052.948096][T12316] ? bond_validate+0x270/0x270 [ 1052.953153][T12316] rtnl_newlink+0x2d5f/0x4110 [ 1052.958165][T12316] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1052.964726][T12316] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1052.970813][T12316] ? rtnl_setlink+0x7f0/0x7f0 [ 1052.975766][T12316] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1052.981192][T12316] ? ref_tracker_free+0x45/0xc10 [ 1052.986385][T12316] ? filter_irq_stacks+0x60/0x1a0 [ 1052.991673][T12316] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1052.997778][T12316] ? filter_irq_stacks+0x164/0x1a0 [ 1053.003168][T12316] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1053.009279][T12316] netlink_rcv_skb+0x371/0x650 [ 1053.014344][T12316] ? rtnetlink_bind+0xf0/0xf0 [ 1053.019306][T12316] ? rtnetlink_net_exit+0x60/0x60 [ 1053.024595][T12316] rtnetlink_rcv+0x34/0x40 [ 1053.029289][T12316] netlink_unicast+0xf47/0x1250 [ 1053.034423][T12316] netlink_sendmsg+0x1238/0x13d0 [ 1053.039661][T12316] ? netlink_getsockopt+0x980/0x980 [ 1053.045137][T12316] ____sys_sendmsg+0x9c2/0xd60 [ 1053.050232][T12316] ___sys_sendmsg+0x28d/0x3c0 [ 1053.055219][T12316] ? __fget_files+0x580/0x640 [ 1053.060165][T12316] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1053.066283][T12316] __x64_sys_sendmsg+0x307/0x490 [ 1053.071516][T12316] do_syscall_64+0x44/0x110 [ 1053.076288][T12316] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1053.082499][T12316] RIP: 0033:0x7f449387cae9 [ 1053.087130][T12316] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1053.107021][T12316] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1053.115705][T12316] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1053.123903][T12316] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1053.132086][T12316] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1053.140296][T12316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1053.148491][T12316] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1053.156729][T12316] [ 1053.168797][T12316] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1053.185351][T12316] bond10000000000 (unregistered): Released all slaves 02:09:15 executing program 3: syz_emit_ethernet(0x38, &(0x7f0000000180)={@local, @random="1d88df1d5898", @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "5dbbc0", 0x2, 0x33, 0x0, @dev, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, {[], "33ee"}}}}}, 0x0) 02:09:15 executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000100)=@base={0x0, 0x0, 0x0, 0x0, 0x44, 0xffffffffffffffff, 0x6}, 0x48) [ 1053.439936][T12324] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1053.450114][T12324] CPU: 1 PID: 12324 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1053.460494][T12324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1053.470809][T12324] Call Trace: [ 1053.474311][T12324] [ 1053.477435][T12324] dump_stack_lvl+0x1bf/0x240 [ 1053.482504][T12324] dump_stack+0x1e/0x20 [ 1053.487017][T12324] sysfs_create_dir_ns+0x459/0x4c0 [ 1053.492452][T12324] ? device_release+0x2e0/0x2e0 [ 1053.497663][T12324] kobject_add_internal+0xd08/0x16a0 [ 1053.503314][T12324] kobject_add+0x28c/0x3b0 [ 1053.508084][T12324] ? kobject_put+0x1fe/0x330 [ 1053.513022][T12324] device_add+0xaa2/0x1f20 [ 1053.517780][T12324] netdev_register_kobject+0x1ec/0x520 [ 1053.523588][T12324] register_netdevice+0x138a/0x1cd0 [ 1053.529353][T12324] bond_newlink+0x98/0x140 [ 1053.534165][T12324] ? bond_validate+0x270/0x270 [ 1053.539307][T12324] rtnl_newlink+0x2d5f/0x4110 [ 1053.544372][T12324] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1053.550526][T12324] ? rtnl_setlink+0x7f0/0x7f0 [ 1053.555542][T12324] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1053.561022][T12324] ? ref_tracker_free+0x45/0xc10 [ 1053.566274][T12324] ? filter_irq_stacks+0x60/0x1a0 [ 1053.571620][T12324] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1053.577806][T12324] ? filter_irq_stacks+0x164/0x1a0 [ 1053.583257][T12324] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1053.589418][T12324] netlink_rcv_skb+0x371/0x650 [ 1053.594513][T12324] ? rtnetlink_bind+0xf0/0xf0 [ 1053.599512][T12324] ? rtnetlink_net_exit+0x60/0x60 [ 1053.604860][T12324] rtnetlink_rcv+0x34/0x40 [ 1053.609614][T12324] netlink_unicast+0xf47/0x1250 [ 1053.614814][T12324] netlink_sendmsg+0x1238/0x13d0 [ 1053.620104][T12324] ? netlink_getsockopt+0x980/0x980 [ 1053.625618][T12324] ____sys_sendmsg+0x9c2/0xd60 [ 1053.630759][T12324] ___sys_sendmsg+0x28d/0x3c0 [ 1053.635791][T12324] ? __fget_files+0x580/0x640 [ 1053.640795][T12324] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1053.646973][T12324] __x64_sys_sendmsg+0x307/0x490 [ 1053.652274][T12324] do_syscall_64+0x44/0x110 [ 1053.657073][T12324] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1053.663338][T12324] RIP: 0033:0x7f9a85a7cae9 [ 1053.668012][T12324] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1053.687948][T12324] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1053.696697][T12324] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1053.704950][T12324] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1053.713183][T12324] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1053.721417][T12324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1053.729648][T12324] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1053.737921][T12324] [ 1053.747205][T12324] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1053.774810][T12324] bond10000000000 (unregistered): Released all slaves 02:09:16 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x6000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:16 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x2) getsockopt$IP6T_SO_GET_INFO(r0, 0x29, 0x7, 0x0, 0x0) 02:09:16 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="480400", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:16 executing program 0: syz_emit_ethernet(0x38, &(0x7f0000000180)={@local, @random="1d88df1d5898", @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "5dbbc0", 0x2, 0x33, 0x0, @dev, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, {[], "3cee"}}}}}, 0x0) 02:09:16 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x7f000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1054.265194][T12330] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1054.279777][T12330] CPU: 1 PID: 12330 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1054.290167][T12330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1054.300485][T12330] Call Trace: [ 1054.303970][T12330] [ 1054.307089][T12330] dump_stack_lvl+0x1bf/0x240 [ 1054.312130][T12330] dump_stack+0x1e/0x20 [ 1054.316610][T12330] sysfs_create_dir_ns+0x459/0x4c0 [ 1054.321997][T12330] ? device_release+0x2e0/0x2e0 [ 1054.327122][T12330] kobject_add_internal+0xd08/0x16a0 [ 1054.332731][T12330] kobject_add+0x28c/0x3b0 [ 1054.337461][T12330] ? kobject_put+0x1fe/0x330 [ 1054.342330][T12330] device_add+0xaa2/0x1f20 [ 1054.347017][T12330] netdev_register_kobject+0x1ec/0x520 [ 1054.352754][T12330] register_netdevice+0x138a/0x1cd0 [ 1054.358247][T12330] bond_newlink+0x98/0x140 [ 1054.362999][T12330] ? bond_validate+0x270/0x270 [ 1054.368105][T12330] rtnl_newlink+0x2d5f/0x4110 [ 1054.373133][T12330] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1054.379765][T12330] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1054.385943][T12330] ? rtnl_setlink+0x7f0/0x7f0 [ 1054.390891][T12330] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1054.396299][T12330] ? ref_tracker_free+0x45/0xc10 [ 1054.401503][T12330] ? filter_irq_stacks+0x60/0x1a0 [ 1054.406805][T12330] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1054.412919][T12330] ? filter_irq_stacks+0x164/0x1a0 [ 1054.418332][T12330] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1054.424444][T12330] netlink_rcv_skb+0x371/0x650 [ 1054.429499][T12330] ? rtnetlink_bind+0xf0/0xf0 [ 1054.434467][T12330] ? rtnetlink_net_exit+0x60/0x60 [ 1054.439763][T12330] rtnetlink_rcv+0x34/0x40 [ 1054.444440][T12330] netlink_unicast+0xf47/0x1250 [ 1054.449582][T12330] netlink_sendmsg+0x1238/0x13d0 [ 1054.454816][T12330] ? netlink_getsockopt+0x980/0x980 [ 1054.460321][T12330] ____sys_sendmsg+0x9c2/0xd60 [ 1054.465415][T12330] ___sys_sendmsg+0x28d/0x3c0 [ 1054.470446][T12330] ? __fget_files+0x580/0x640 [ 1054.475413][T12330] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1054.481552][T12330] __x64_sys_sendmsg+0x307/0x490 [ 1054.486898][T12330] do_syscall_64+0x44/0x110 [ 1054.491697][T12330] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1054.497945][T12330] RIP: 0033:0x7f449387cae9 [ 1054.502593][T12330] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1054.522567][T12330] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1054.531256][T12330] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1054.539450][T12330] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1054.547648][T12330] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1054.555883][T12330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1054.564075][T12330] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1054.572286][T12330] [ 1054.576178][T12330] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1054.604773][T12330] bond10000000000 (unregistered): Released all slaves 02:09:17 executing program 3: r0 = fsopen(&(0x7f0000000080)='bpf\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000200)='\'$\x00', &(0x7f0000000240)='+[)[$\x00', 0x0) 02:09:17 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00'}) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}, 0x10) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)='X', 0x8030000}], 0x1) recvmmsg(r1, &(0x7f0000003e40)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000035c0)=""/241, 0xf1}}, {{&(0x7f00000036c0)=@un=@abs, 0x80, &(0x7f0000003780)=[{0x0}], 0x1, &(0x7f00000037c0)=""/236, 0xec}}, {{0x0, 0x0, &(0x7f0000003bc0)=[{0x0}, {&(0x7f0000003a00)=""/190, 0xbe}, {&(0x7f0000003ac0)=""/131, 0x83}, {0x0}], 0x4, &(0x7f0000003c00)=""/73, 0x49}}, {{&(0x7f0000003c80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, 0x0, 0x0, &(0x7f0000003e00)=""/48, 0x30}}], 0x4, 0x40000121, 0x0) [ 1055.052231][T12337] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1055.061947][T12337] CPU: 0 PID: 12337 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1055.072348][T12337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1055.082665][T12337] Call Trace: [ 1055.086155][T12337] [ 1055.089279][T12337] dump_stack_lvl+0x1bf/0x240 [ 1055.094321][T12337] dump_stack+0x1e/0x20 [ 1055.098803][T12337] sysfs_create_dir_ns+0x459/0x4c0 [ 1055.104247][T12337] ? device_release+0x2e0/0x2e0 [ 1055.109424][T12337] kobject_add_internal+0xd08/0x16a0 [ 1055.115037][T12337] kobject_add+0x28c/0x3b0 [ 1055.119782][T12337] ? kobject_put+0x1fe/0x330 [ 1055.124653][T12337] device_add+0xaa2/0x1f20 [ 1055.129363][T12337] netdev_register_kobject+0x1ec/0x520 [ 1055.135103][T12337] register_netdevice+0x138a/0x1cd0 [ 1055.140590][T12337] bond_newlink+0x98/0x140 [ 1055.145294][T12337] ? bond_validate+0x270/0x270 [ 1055.150349][T12337] rtnl_newlink+0x2d5f/0x4110 [ 1055.155375][T12337] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1055.161919][T12337] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1055.168041][T12337] ? rtnl_setlink+0x7f0/0x7f0 [ 1055.173015][T12337] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1055.178419][T12337] ? ref_tracker_free+0x45/0xc10 [ 1055.183611][T12337] ? filter_irq_stacks+0x60/0x1a0 [ 1055.188894][T12337] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1055.195043][T12337] ? filter_irq_stacks+0x164/0x1a0 [ 1055.200469][T12337] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1055.206584][T12337] netlink_rcv_skb+0x371/0x650 [ 1055.211639][T12337] ? rtnetlink_bind+0xf0/0xf0 [ 1055.216595][T12337] ? rtnetlink_net_exit+0x60/0x60 [ 1055.221898][T12337] rtnetlink_rcv+0x34/0x40 [ 1055.226612][T12337] netlink_unicast+0xf47/0x1250 [ 1055.231749][T12337] netlink_sendmsg+0x1238/0x13d0 [ 1055.236968][T12337] ? netlink_getsockopt+0x980/0x980 [ 1055.242430][T12337] ____sys_sendmsg+0x9c2/0xd60 [ 1055.247523][T12337] ___sys_sendmsg+0x28d/0x3c0 [ 1055.252491][T12337] ? __fget_files+0x580/0x640 [ 1055.257433][T12337] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1055.263546][T12337] __x64_sys_sendmsg+0x307/0x490 [ 1055.268786][T12337] do_syscall_64+0x44/0x110 [ 1055.273536][T12337] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1055.279744][T12337] RIP: 0033:0x7f9a85a7cae9 [ 1055.284377][T12337] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1055.304263][T12337] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1055.312962][T12337] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1055.321171][T12337] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1055.329357][T12337] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1055.337548][T12337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1055.345739][T12337] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1055.353969][T12337] [ 1055.368477][T12337] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1055.385351][T12337] bond10000000000 (unregistered): Released all slaves 02:09:17 executing program 0: syz_emit_ethernet(0x42, &(0x7f0000000300)={@broadcast, @empty, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, "7af598", 0xc, 0x11, 0x0, @empty, @local, {[], {0x0, 0x0, 0xc, 0x0, @gue={{0x1, 0x0, 0x0, 0x0, 0x0, @void}}}}}}}}, 0x0) 02:09:17 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x7000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:18 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x2) setsockopt$inet6_group_source_req(r0, 0x29, 0x10, &(0x7f0000000100)={0x0, {{0xa, 0x0, 0x0, @mcast1}}, {{0xa, 0x0, 0x0, @loopback}}}, 0x108) 02:09:18 executing program 0: syz_emit_ethernet(0xaa, &(0x7f0000000000)={@dev, @local, @void, {@ipv4={0x800, @gre={{0x16, 0x4, 0x0, 0x0, 0x9c, 0x0, 0x0, 0x0, 0x29, 0x0, @rand_addr, @broadcast, {[@lsrr={0x83, 0x3}, @timestamp_addr={0x44, 0x14, 0x0, 0x1, 0x0, [{@rand_addr=0x2c}, {@private}]}, @timestamp_addr={0x44, 0x14, 0x0, 0x1, 0x0, [{@local}, {@empty}]}, @ra={0x94, 0x4}, @timestamp={0x44, 0x14, 0x0, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0]}]}}}}}}, 0x0) [ 1055.931693][T12348] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1055.941371][T12348] CPU: 0 PID: 12348 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1055.951753][T12348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1055.962102][T12348] Call Trace: [ 1055.965562][T12348] [ 1055.968667][T12348] dump_stack_lvl+0x1bf/0x240 [ 1055.973662][T12348] dump_stack+0x1e/0x20 [ 1055.978133][T12348] sysfs_create_dir_ns+0x459/0x4c0 [ 1055.983512][T12348] ? device_release+0x2e0/0x2e0 [ 1055.988645][T12348] kobject_add_internal+0xd08/0x16a0 [ 1055.994280][T12348] kobject_add+0x28c/0x3b0 [ 1055.999068][T12348] ? kobject_put+0x1fe/0x330 [ 1056.003944][T12348] device_add+0xaa2/0x1f20 [ 1056.008640][T12348] netdev_register_kobject+0x1ec/0x520 [ 1056.014398][T12348] register_netdevice+0x138a/0x1cd0 [ 1056.019923][T12348] bond_newlink+0x98/0x140 [ 1056.024646][T12348] ? bond_validate+0x270/0x270 [ 1056.029702][T12348] rtnl_newlink+0x2d5f/0x4110 [ 1056.034704][T12348] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1056.041250][T12348] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1056.047365][T12348] ? rtnl_setlink+0x7f0/0x7f0 [ 1056.052307][T12348] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1056.057711][T12348] ? ref_tracker_free+0x45/0xc10 [ 1056.062914][T12348] ? filter_irq_stacks+0x60/0x1a0 [ 1056.068220][T12348] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1056.074323][T12348] ? filter_irq_stacks+0x164/0x1a0 [ 1056.079716][T12348] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1056.085817][T12348] netlink_rcv_skb+0x371/0x650 [ 1056.090865][T12348] ? rtnetlink_bind+0xf0/0xf0 [ 1056.095822][T12348] ? rtnetlink_net_exit+0x60/0x60 [ 1056.101117][T12348] rtnetlink_rcv+0x34/0x40 [ 1056.105814][T12348] netlink_unicast+0xf47/0x1250 [ 1056.110941][T12348] netlink_sendmsg+0x1238/0x13d0 [ 1056.116191][T12348] ? netlink_getsockopt+0x980/0x980 [ 1056.121691][T12348] ____sys_sendmsg+0x9c2/0xd60 [ 1056.126769][T12348] ___sys_sendmsg+0x28d/0x3c0 [ 1056.131730][T12348] ? __fget_files+0x580/0x640 [ 1056.136673][T12348] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1056.142770][T12348] __x64_sys_sendmsg+0x307/0x490 [ 1056.148028][T12348] do_syscall_64+0x44/0x110 [ 1056.152784][T12348] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1056.159000][T12348] RIP: 0033:0x7f449387cae9 [ 1056.163639][T12348] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1056.183522][T12348] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1056.192225][T12348] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1056.200434][T12348] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1056.208630][T12348] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1056.216832][T12348] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1056.225056][T12348] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1056.233285][T12348] [ 1056.251079][T12348] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1056.268719][T12348] bond10000000000 (unregistered): Released all slaves 02:09:18 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x81000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:18 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="480400", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) [ 1056.650347][T12356] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1056.659960][T12356] CPU: 0 PID: 12356 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1056.670345][T12356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1056.680683][T12356] Call Trace: [ 1056.684169][T12356] [ 1056.687312][T12356] dump_stack_lvl+0x1bf/0x240 [ 1056.692378][T12356] dump_stack+0x1e/0x20 02:09:19 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x8000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1056.696893][T12356] sysfs_create_dir_ns+0x459/0x4c0 [ 1056.702343][T12356] ? device_release+0x2e0/0x2e0 [ 1056.707536][T12356] kobject_add_internal+0xd08/0x16a0 [ 1056.713181][T12356] kobject_add+0x28c/0x3b0 [ 1056.717958][T12356] ? kobject_put+0x1fe/0x330 [ 1056.722889][T12356] device_add+0xaa2/0x1f20 [ 1056.727643][T12356] netdev_register_kobject+0x1ec/0x520 [ 1056.733465][T12356] register_netdevice+0x138a/0x1cd0 [ 1056.739007][T12356] bond_newlink+0x98/0x140 [ 1056.743727][T12356] ? bond_validate+0x270/0x270 [ 1056.748789][T12356] rtnl_newlink+0x2d5f/0x4110 [ 1056.753806][T12356] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1056.760381][T12356] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1056.766484][T12356] ? rtnl_setlink+0x7f0/0x7f0 [ 1056.771425][T12356] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1056.776825][T12356] ? ref_tracker_free+0x45/0xc10 [ 1056.782030][T12356] ? filter_irq_stacks+0x60/0x1a0 [ 1056.787325][T12356] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1056.793430][T12356] ? filter_irq_stacks+0x164/0x1a0 [ 1056.798820][T12356] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1056.804940][T12356] netlink_rcv_skb+0x371/0x650 [ 1056.809990][T12356] ? rtnetlink_bind+0xf0/0xf0 [ 1056.814946][T12356] ? rtnetlink_net_exit+0x60/0x60 [ 1056.820240][T12356] rtnetlink_rcv+0x34/0x40 [ 1056.824926][T12356] netlink_unicast+0xf47/0x1250 [ 1056.830060][T12356] netlink_sendmsg+0x1238/0x13d0 [ 1056.835303][T12356] ? netlink_getsockopt+0x980/0x980 [ 1056.840810][T12356] ____sys_sendmsg+0x9c2/0xd60 [ 1056.845877][T12356] ___sys_sendmsg+0x28d/0x3c0 [ 1056.850849][T12356] ? __fget_files+0x580/0x640 [ 1056.855813][T12356] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1056.861935][T12356] __x64_sys_sendmsg+0x307/0x490 [ 1056.867180][T12356] do_syscall_64+0x44/0x110 [ 1056.871938][T12356] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1056.878148][T12356] RIP: 0033:0x7f9a85a7cae9 [ 1056.882797][T12356] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1056.902681][T12356] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1056.911406][T12356] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1056.919609][T12356] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1056.927801][T12356] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1056.936007][T12356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1056.944215][T12356] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1056.952432][T12356] [ 1056.964831][T12356] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1056.981033][T12356] bond10000000000 (unregistered): Released all slaves 02:09:19 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00'}) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}, 0x10) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)='X', 0x8030000}], 0x1) recvmmsg(r1, &(0x7f0000003e40)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000035c0)=""/241, 0xf1}}, {{&(0x7f00000036c0)=@un=@abs, 0x80, &(0x7f0000003780)=[{&(0x7f0000003740)=""/4, 0x4}], 0x1}}, {{0x0, 0x0, &(0x7f0000003bc0)=[{0x0}, {&(0x7f0000003a00)=""/190, 0xbe}, {&(0x7f0000003ac0)=""/131, 0x83}, {0x0}], 0x4, &(0x7f0000003c00)=""/73, 0x49}}, {{&(0x7f0000003c80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, 0x0, 0x0, &(0x7f0000003e00)=""/48, 0x30}}], 0x4, 0x40000121, 0x0) 02:09:19 executing program 3: prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffc000/0x1000)=nil, 0x1000, &(0x7f0000000000)='@-U-\x93\xe4\xf05\xa4\xa2\xb5[[\xc6\x83\"\xb3\xd4\xbe\xee\x8d\xd8[\xe1-\x81\xa0U\xee\v\xb3\xfe\x0e\xbe\xee\xb3\xdc_\x8d\x8e\xc6\xd7\xd0\x16\xb3\xf5\xb1\xd4>SWA\xb0BX\xac;\xc2q\x952:\x03[\x01&\x11\x86R\xef\xf2\x92\xb6\xdeT\xe0\xdfv\x1750\r\xd1o\xdc\xbd\x1f\xf0\xf6\xc6\xd1\xa9)FL\x94N\x9b0d3\xeb\x05\x94\x1d\xd8\xe1s\xa0>\xe9~l\x8aI\xe9\xfd\x92\'\x18\xa3@\x9b4U\xee2\x113]\x927\x02\x12_e\xe0\xee\xd8\x8f\x8bo\xae\xe0l\x8f\xddi|\x89\xb7\xb3\x83\xae3\x9f\x80\x86\xb8') prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000622000/0x1000)=nil, 0x1000, &(0x7f00000000c0)='!@-]@)+/:()+)/^.{^*!.)($-\x00') mlock(&(0x7f0000f9f000/0x4000)=nil, 0x4000) prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x0) 02:09:19 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) getsockopt$TIPC_GROUP_JOIN(r0, 0x10f, 0x87, 0x0, 0x0) 02:09:20 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x81ffffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1057.598031][T12368] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1057.608036][T12368] CPU: 1 PID: 12368 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1057.618443][T12368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1057.628776][T12368] Call Trace: [ 1057.632263][T12368] [ 1057.635499][T12368] dump_stack_lvl+0x1bf/0x240 [ 1057.640556][T12368] dump_stack+0x1e/0x20 [ 1057.645150][T12368] sysfs_create_dir_ns+0x459/0x4c0 [ 1057.650585][T12368] ? device_release+0x2e0/0x2e0 [ 1057.655765][T12368] kobject_add_internal+0xd08/0x16a0 [ 1057.661415][T12368] kobject_add+0x28c/0x3b0 [ 1057.666183][T12368] ? kobject_put+0x1fe/0x330 [ 1057.671120][T12368] device_add+0xaa2/0x1f20 [ 1057.675876][T12368] netdev_register_kobject+0x1ec/0x520 [ 1057.681675][T12368] register_netdevice+0x138a/0x1cd0 [ 1057.687227][T12368] bond_newlink+0x98/0x140 [ 1057.692014][T12368] ? bond_validate+0x270/0x270 [ 1057.697140][T12368] rtnl_newlink+0x2d5f/0x4110 [ 1057.702210][T12368] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1057.708826][T12368] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1057.715004][T12368] ? rtnl_setlink+0x7f0/0x7f0 [ 1057.719956][T12368] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1057.725384][T12368] ? ref_tracker_free+0x45/0xc10 [ 1057.730589][T12368] ? filter_irq_stacks+0x60/0x1a0 [ 1057.735912][T12368] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1057.742147][T12368] ? filter_irq_stacks+0x164/0x1a0 [ 1057.747575][T12368] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1057.753728][T12368] netlink_rcv_skb+0x371/0x650 [ 1057.758896][T12368] ? rtnetlink_bind+0xf0/0xf0 [ 1057.763902][T12368] ? rtnetlink_net_exit+0x60/0x60 [ 1057.769208][T12368] rtnetlink_rcv+0x34/0x40 [ 1057.773893][T12368] netlink_unicast+0xf47/0x1250 [ 1057.779034][T12368] netlink_sendmsg+0x1238/0x13d0 [ 1057.784268][T12368] ? netlink_getsockopt+0x980/0x980 [ 1057.789763][T12368] ____sys_sendmsg+0x9c2/0xd60 [ 1057.794867][T12368] ___sys_sendmsg+0x28d/0x3c0 [ 1057.799860][T12368] ? __fget_files+0x580/0x640 [ 1057.804815][T12368] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1057.811100][T12368] __x64_sys_sendmsg+0x307/0x490 [ 1057.816358][T12368] do_syscall_64+0x44/0x110 [ 1057.821141][T12368] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1057.827361][T12368] RIP: 0033:0x7f449387cae9 [ 1057.831993][T12368] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1057.851908][T12368] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1057.860627][T12368] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1057.870897][T12368] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1057.879088][T12368] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1057.887271][T12368] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1057.895470][T12368] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1057.904144][T12368] [ 1057.916464][T12368] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1057.932469][T12368] bond10000000000 (unregistered): Released all slaves 02:09:20 executing program 0: pselect6(0x40, &(0x7f0000000bc0)={0x1}, 0x0, 0x0, &(0x7f0000000cc0), 0x0) 02:09:20 executing program 3: syz_emit_ethernet(0x2e, &(0x7f0000000000)={@broadcast, @broadcast, @val, {@arp={0x806, @ether_ipv4={0x1, 0x800, 0x6, 0x4, 0x0, @empty, @remote={0xac, 0x14, 0x0}, @random="20fee696bbe6", @remote={0xac, 0x14, 0x0}}}}}, 0x0) [ 1058.305394][T12373] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1058.315035][T12373] CPU: 1 PID: 12373 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1058.325460][T12373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1058.335795][T12373] Call Trace: [ 1058.339279][T12373] [ 1058.342418][T12373] dump_stack_lvl+0x1bf/0x240 [ 1058.347468][T12373] dump_stack+0x1e/0x20 [ 1058.351978][T12373] sysfs_create_dir_ns+0x459/0x4c0 [ 1058.357505][T12373] ? device_release+0x2e0/0x2e0 [ 1058.362688][T12373] kobject_add_internal+0xd08/0x16a0 [ 1058.368335][T12373] kobject_add+0x28c/0x3b0 [ 1058.373115][T12373] ? kobject_put+0x1fe/0x330 [ 1058.378039][T12373] device_add+0xaa2/0x1f20 [ 1058.382788][T12373] netdev_register_kobject+0x1ec/0x520 [ 1058.388581][T12373] register_netdevice+0x138a/0x1cd0 [ 1058.394143][T12373] bond_newlink+0x98/0x140 [ 1058.398935][T12373] ? bond_validate+0x270/0x270 [ 1058.404069][T12373] rtnl_newlink+0x2d5f/0x4110 [ 1058.409182][T12373] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1058.415823][T12373] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1058.422013][T12373] ? rtnl_setlink+0x7f0/0x7f0 [ 1058.427022][T12373] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1058.432483][T12373] ? ref_tracker_free+0x45/0xc10 [ 1058.437760][T12373] ? filter_irq_stacks+0x60/0x1a0 [ 1058.443126][T12373] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1058.449305][T12373] ? filter_irq_stacks+0x164/0x1a0 [ 1058.454773][T12373] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1058.460960][T12373] netlink_rcv_skb+0x371/0x650 [ 1058.466072][T12373] ? rtnetlink_bind+0xf0/0xf0 [ 1058.471088][T12373] ? rtnetlink_net_exit+0x60/0x60 [ 1058.476422][T12373] rtnetlink_rcv+0x34/0x40 [ 1058.481153][T12373] netlink_unicast+0xf47/0x1250 [ 1058.486350][T12373] netlink_sendmsg+0x1238/0x13d0 [ 1058.491646][T12373] ? netlink_getsockopt+0x980/0x980 [ 1058.497174][T12373] ____sys_sendmsg+0x9c2/0xd60 02:09:20 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x9000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1058.503094][T12373] ___sys_sendmsg+0x28d/0x3c0 [ 1058.508133][T12373] ? __fget_files+0x580/0x640 [ 1058.513134][T12373] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1058.519321][T12373] __x64_sys_sendmsg+0x307/0x490 [ 1058.524642][T12373] do_syscall_64+0x44/0x110 [ 1058.529468][T12373] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1058.535787][T12373] RIP: 0033:0x7f9a85a7cae9 [ 1058.540493][T12373] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1058.560447][T12373] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1058.569152][T12373] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1058.577402][T12373] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1058.585649][T12373] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1058.594112][T12373] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1058.602330][T12373] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1058.610559][T12373] [ 1058.620810][T12373] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1058.637874][T12373] bond10000000000 (unregistered): Released all slaves 02:09:21 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00'}) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}, 0x10) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)='X', 0x8030000}], 0x1) recvmmsg(r1, &(0x7f0000003e40)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000035c0)=""/241, 0xf1}}, {{&(0x7f00000036c0)=@un=@abs, 0x80, &(0x7f0000003780)=[{&(0x7f0000003740)=""/4, 0x4}], 0x1}}, {{0x0, 0x0, &(0x7f0000003bc0)=[{0x0}, {&(0x7f0000003a00)=""/190, 0xbe}, {&(0x7f0000003ac0)=""/131, 0x83}, {0x0}], 0x4, &(0x7f0000003c00)=""/73, 0x49}}, {{&(0x7f0000003c80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, 0x0, 0x0, &(0x7f0000003e00)=""/48, 0x30}}], 0x4, 0x40000121, 0x0) 02:09:21 executing program 3: syz_emit_ethernet(0x32, &(0x7f0000000080)={@multicast, @remote, @void, {@ipv4={0x800, @dccp={{0x5, 0x4, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0, 0x11, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @dev}, {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "2a95ea", 0x0, "852ae9"}}}}}}, 0x0) 02:09:21 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="480400", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:21 executing program 0: r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) ioctl$VHOST_VSOCK_SET_GUEST_CID(r0, 0x4008af60, &(0x7f0000000040)={@my=0x0}) [ 1059.114038][T12380] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1059.123582][T12380] CPU: 1 PID: 12380 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1059.133958][T12380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1059.144225][T12380] Call Trace: [ 1059.147674][T12380] [ 1059.150797][T12380] dump_stack_lvl+0x1bf/0x240 [ 1059.155793][T12380] dump_stack+0x1e/0x20 [ 1059.160241][T12380] sysfs_create_dir_ns+0x459/0x4c0 [ 1059.165613][T12380] ? device_release+0x2e0/0x2e0 [ 1059.170737][T12380] kobject_add_internal+0xd08/0x16a0 [ 1059.176333][T12380] kobject_add+0x28c/0x3b0 [ 1059.181039][T12380] ? kobject_put+0x1fe/0x330 [ 1059.185908][T12380] device_add+0xaa2/0x1f20 [ 1059.190612][T12380] netdev_register_kobject+0x1ec/0x520 [ 1059.196386][T12380] register_netdevice+0x138a/0x1cd0 [ 1059.201877][T12380] bond_newlink+0x98/0x140 [ 1059.206589][T12380] ? bond_validate+0x270/0x270 [ 1059.211644][T12380] rtnl_newlink+0x2d5f/0x4110 [ 1059.216736][T12380] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1059.223285][T12380] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1059.229454][T12380] ? rtnl_setlink+0x7f0/0x7f0 [ 1059.234394][T12380] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1059.239807][T12380] ? ref_tracker_free+0x45/0xc10 [ 1059.245007][T12380] ? filter_irq_stacks+0x60/0x1a0 [ 1059.250311][T12380] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1059.256417][T12380] ? filter_irq_stacks+0x164/0x1a0 [ 1059.261810][T12380] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1059.267917][T12380] netlink_rcv_skb+0x371/0x650 [ 1059.272972][T12380] ? rtnetlink_bind+0xf0/0xf0 [ 1059.277922][T12380] ? rtnetlink_net_exit+0x60/0x60 [ 1059.283208][T12380] rtnetlink_rcv+0x34/0x40 [ 1059.287889][T12380] netlink_unicast+0xf47/0x1250 [ 1059.293039][T12380] netlink_sendmsg+0x1238/0x13d0 [ 1059.298308][T12380] ? netlink_getsockopt+0x980/0x980 [ 1059.303787][T12380] ____sys_sendmsg+0x9c2/0xd60 [ 1059.308849][T12380] ___sys_sendmsg+0x28d/0x3c0 [ 1059.313813][T12380] ? __fget_files+0x580/0x640 [ 1059.318750][T12380] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1059.324854][T12380] __x64_sys_sendmsg+0x307/0x490 [ 1059.330091][T12380] do_syscall_64+0x44/0x110 [ 1059.334841][T12380] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1059.341045][T12380] RIP: 0033:0x7f449387cae9 [ 1059.345684][T12380] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1059.365573][T12380] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1059.374274][T12380] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1059.382482][T12380] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1059.390671][T12380] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1059.398867][T12380] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1059.407051][T12380] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1059.415269][T12380] [ 1059.424662][T12380] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1059.440619][T12380] bond10000000000 (unregistered): Released all slaves 02:09:21 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x2) getsockopt$IP6T_SO_GET_INFO(r0, 0x29, 0x40, &(0x7f0000000000)={'raw\x00'}, &(0x7f0000000080)=0x54) 02:09:22 executing program 0: prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffc000/0x2000)=nil, 0x2000, &(0x7f00000001c0)='@-U\"\xb3\xd4\xbe\xee\x8d\xd8[\xe1-\x81\xa0U\xee\v\xb3\xfe\x0e\xbe\xee\xb3\xdc_\x8d\x8e\xc6\xd7\xd0\x16\xb3\xf5\xb1\xd4>SWA\xb0BX\xac;\xc2q\x952:\x03[\x01&\x11\x86R\xef\xf2\x92\xb6\xdeT\xd2\xdfv\x1750\r\xd1\x90\xdc\xbd\x1f\xf0\xf6\xc6\xd1\xa9)FL\x94N\x9b0d3\xeb\x05\x94\x1d\xd8\xe1s\xa0>\xe9~l\x8aI\xe9\xfd\x92\'\x18\xa3@\x9b4U\xee2\x113]\x927\x02\x12|\x89\xb7\xb3\x83\xae3\x9f\x80\x86\xb8\xb3[\xad\xae[\xa9\xd1D\x89z|\xfd\xf8c') prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f00009b9000/0x4000)=nil, 0x4000, &(0x7f0000000540)='@-U\"\xb3\xd4\xbe\xee\x8d\xd8[\xe1-\x81\xa0U\xee\v\xb3\xfe\x0e\xbe\xee\xb3\xdc_\x8d\x8e\xc6\xd7\xd0\x16\x82\xf3\xb1\xd4>SWA\xb0BX\xac;\xc2q\x952:\x03[\x01&\x11\x86R\xef\xf2\x92\xb6\xdeT\xd2\xdfv\x1750\r\xd1\x90\xdc\xbd\x1f\xf0\xf6\xc6\xd1\xa9)FL\x94N\x9b0t3\xeb\x05\x94\x1d\xd8\xe1s\xa0>\xe9~l\x8aI\xcd\x89\xfc\xa8\xab\xe2\xbe\x86\xc6f\x8c\x8b\xe9\xfd\x92\'\x18\xa3@\x9b4U\xee2\x113]\x927\x02\x12|\x89\xb7\xb3\x83\xae3\x9f\x80\x97\xb8\xb3[\xad\xae[\xa9\xd1D\x89z|\xfd\xf8cg\xbd\x1b7\xf5!\xd98\xee[\x9c\b\xca\xe0t!ZyhZ\xa6Db\x95/\x8c{6\xfc\xc4\x93\xdaH\xa3H%\x0f}\xbfK9\x8b\x1e\xa9\x18\xc8\xce\x00\xb8\xdc\x8f\xe90\xae\x92 \xafS\xc08\xd1#\xe9I\x17\xfc\x8e\xae\xcf\xccV\n\x01\xa7\xf0\x06O\x9d\x91\xf1\xf5\xec\xce\x82!\x0f\x80n\x99\x13\xb6\xd2`m\xa2Hi_\r\x16\xc9b\x7fg\xcf~\x9d\xbb\x18\x1d\xbc(\xd9\xe9\x82\x05\xcd(RE\x95}\xb7\xc8\x90\x13\x19\xd5=\xc6\xcb#\xc1\x98\x11\x8f\xd1\xf6\xb1\xf1Wg!\x7f\x9a\x04@\xb9f\x11\x8e;l%+)\x1e\xf1\x7f\xfc\x0f\xd4\xf6\x17\xdb\xaf\x1e\xe7\x95&\xe6\x9cN\xf3\xb3o\xc3\xc8\xc65\xe2xse\x02S\x1eg\x97\xe0\x83C,\x92uM\xbd[b\xbe\xf6\xcb\xe1\x11\xa1\x87\xb0R\xfe\xeb\x16o\xca]T.\x94\xa7.{\xcb\xc9^\xca\xca\xae\xd2K\x98\xe3k\x91T(S|\x06\xeeq\xb1B\xfb1;\xaf\xe8\xe5Bek\x84\x97&\xa3\xfb\x8f\x98\x1b\xc4\xf6\x8b\nJf\x1f\x84\xfd\fA\xd2U\xb9\xa0_\n\xfb`Dm\xf0\xd6\xddv\xfex@\x181\x99\x93\x8d)\x8c\xe0\xd3\xc1\xcaHRv\xb8\xa0\xb8\x0f\xb0\xa2\xc6pa\x1d7|\xe1\xe7M5\xab\x95\xe1M\xdc\x81\x05\r9Q\xb0\xef\xc2\xdd+_\xaew\xdc\xae\b+\xdcr=\x8a\xd7V\xde[\x03\x19\xe3yz\xfc\x0e\xdd\xc3\x1e\x82\xad\x15\x94\x80\xca\x12\x00\xd1\x16\xf7\xda-\xe3\xcf\xd7 [ 1060.317056][T12398] dump_stack_lvl+0x1bf/0x240 [ 1060.322174][T12398] dump_stack+0x1e/0x20 [ 1060.326620][T12398] sysfs_create_dir_ns+0x459/0x4c0 [ 1060.332008][T12398] ? device_release+0x2e0/0x2e0 [ 1060.337139][T12398] kobject_add_internal+0xd08/0x16a0 [ 1060.342736][T12398] kobject_add+0x28c/0x3b0 [ 1060.347464][T12398] ? kobject_put+0x1fe/0x330 [ 1060.352341][T12398] device_add+0xaa2/0x1f20 [ 1060.357029][T12398] netdev_register_kobject+0x1ec/0x520 [ 1060.362771][T12398] register_netdevice+0x138a/0x1cd0 [ 1060.368256][T12398] bond_newlink+0x98/0x140 [ 1060.372960][T12398] ? bond_validate+0x270/0x270 [ 1060.378025][T12398] rtnl_newlink+0x2d5f/0x4110 [ 1060.383069][T12398] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1060.389632][T12398] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1060.395748][T12398] ? rtnl_setlink+0x7f0/0x7f0 [ 1060.400685][T12398] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1060.406088][T12398] ? ref_tracker_free+0x45/0xc10 [ 1060.411283][T12398] ? filter_irq_stacks+0x60/0x1a0 [ 1060.416588][T12398] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1060.422740][T12398] ? filter_irq_stacks+0x164/0x1a0 [ 1060.428151][T12398] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1060.434262][T12398] netlink_rcv_skb+0x371/0x650 [ 1060.439308][T12398] ? rtnetlink_bind+0xf0/0xf0 [ 1060.444262][T12398] ? rtnetlink_net_exit+0x60/0x60 [ 1060.449551][T12398] rtnetlink_rcv+0x34/0x40 [ 1060.454225][T12398] netlink_unicast+0xf47/0x1250 [ 1060.459356][T12398] netlink_sendmsg+0x1238/0x13d0 [ 1060.464581][T12398] ? netlink_getsockopt+0x980/0x980 [ 1060.470044][T12398] ____sys_sendmsg+0x9c2/0xd60 [ 1060.475110][T12398] ___sys_sendmsg+0x28d/0x3c0 [ 1060.480074][T12398] ? __fget_files+0x580/0x640 [ 1060.485008][T12398] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1060.491121][T12398] __x64_sys_sendmsg+0x307/0x490 [ 1060.496357][T12398] do_syscall_64+0x44/0x110 [ 1060.501109][T12398] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1060.507339][T12398] RIP: 0033:0x7f9a85a7cae9 [ 1060.511982][T12398] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1060.531886][T12398] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1060.540590][T12398] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1060.548793][T12398] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1060.556976][T12398] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1060.565161][T12398] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1060.573365][T12398] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1060.581612][T12398] [ 1060.599213][T12398] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1060.616444][T12398] bond10000000000 (unregistered): Released all slaves 02:09:23 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00'}) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}, 0x10) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)='X', 0x8030000}], 0x1) recvmmsg(r1, &(0x7f0000003e40)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000035c0)=""/241, 0xf1}}, {{&(0x7f00000036c0)=@un=@abs, 0x80, &(0x7f0000003780)=[{&(0x7f0000003740)=""/4, 0x4}], 0x1}}, {{0x0, 0x0, &(0x7f0000003bc0)=[{0x0}, {&(0x7f0000003a00)=""/190, 0xbe}, {&(0x7f0000003ac0)=""/131, 0x83}, {0x0}], 0x4, &(0x7f0000003c00)=""/73, 0x49}}, {{&(0x7f0000003c80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, 0x0, 0x0, &(0x7f0000003e00)=""/48, 0x30}}], 0x4, 0x40000121, 0x0) 02:09:23 executing program 0: syz_emit_ethernet(0x5a, &(0x7f0000000880)={@local, @dev, @val={@void}, {@ipv6={0x86dd, @tipc_packet={0x0, 0x6, '/QG', 0x20, 0x6, 0x0, @ipv4, @mcast2, {[], @payload_direct={{{{0x20, 0x0, 0x0, 0x0, 0x0, 0x8}}}}}}}}}, 0x0) 02:09:23 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xa000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:23 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x88480000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:23 executing program 3: syz_emit_ethernet(0x2a, &(0x7f0000000040)={@broadcast, @local, @void, {@ipv4={0x800, @igmp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x2, 0x0, @private=0x4, @broadcast}, {0x0, 0x0, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}}}}}, 0x0) 02:09:23 executing program 0: syz_emit_ethernet(0x2e, &(0x7f00000000c0)={@broadcast, @local, @void, {@ipv4={0x800, @igmp={{0x6, 0x4, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x2, 0x0, @private, @empty, {[@ssrr={0x89, 0x3}]}}, {0x0, 0x0, 0x0, @loopback}}}}}, 0x0) 02:09:23 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(0xffffffffffffffff, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:23 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xb000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1061.414394][T12414] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1061.424250][T12414] CPU: 1 PID: 12414 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1061.434631][T12414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1061.444935][T12414] Call Trace: [ 1061.448418][T12414] [ 1061.451546][T12414] dump_stack_lvl+0x1bf/0x240 [ 1061.456602][T12414] dump_stack+0x1e/0x20 [ 1061.461102][T12414] sysfs_create_dir_ns+0x459/0x4c0 [ 1061.466551][T12414] ? device_release+0x2e0/0x2e0 [ 1061.471738][T12414] kobject_add_internal+0xd08/0x16a0 [ 1061.477404][T12414] kobject_add+0x28c/0x3b0 [ 1061.482189][T12414] ? kobject_put+0x1fe/0x330 [ 1061.487126][T12414] device_add+0xaa2/0x1f20 [ 1061.491869][T12414] netdev_register_kobject+0x1ec/0x520 [ 1061.497682][T12414] register_netdevice+0x138a/0x1cd0 [ 1061.503220][T12414] bond_newlink+0x98/0x140 [ 1061.507970][T12414] ? bond_validate+0x270/0x270 [ 1061.513078][T12414] rtnl_newlink+0x2d5f/0x4110 [ 1061.518141][T12414] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1061.524741][T12414] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1061.530908][T12414] ? rtnl_setlink+0x7f0/0x7f0 [ 1061.535901][T12414] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1061.541371][T12414] ? ref_tracker_free+0x45/0xc10 [ 1061.546610][T12414] ? filter_irq_stacks+0x60/0x1a0 [ 1061.551954][T12414] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1061.558128][T12414] ? filter_irq_stacks+0x164/0x1a0 [ 1061.563590][T12414] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1061.569761][T12414] netlink_rcv_skb+0x371/0x650 [ 1061.574836][T12414] ? rtnetlink_bind+0xf0/0xf0 [ 1061.579795][T12414] ? rtnetlink_net_exit+0x60/0x60 [ 1061.585087][T12414] rtnetlink_rcv+0x34/0x40 [ 1061.589761][T12414] netlink_unicast+0xf47/0x1250 [ 1061.594898][T12414] netlink_sendmsg+0x1238/0x13d0 [ 1061.600135][T12414] ? netlink_getsockopt+0x980/0x980 [ 1061.605607][T12414] ____sys_sendmsg+0x9c2/0xd60 [ 1061.610669][T12414] ___sys_sendmsg+0x28d/0x3c0 [ 1061.615647][T12414] ? __fget_files+0x580/0x640 [ 1061.620604][T12414] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1061.626708][T12414] __x64_sys_sendmsg+0x307/0x490 [ 1061.631947][T12414] do_syscall_64+0x44/0x110 [ 1061.636693][T12414] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1061.642902][T12414] RIP: 0033:0x7f9a85a7cae9 [ 1061.647557][T12414] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1061.667468][T12414] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1061.676165][T12414] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1061.684362][T12414] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1061.692551][T12414] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1061.700740][T12414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1061.708931][T12414] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1061.717152][T12414] [ 1061.728543][T12414] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1061.746066][T12414] bond10000000000 (unregistered): Released all slaves 02:09:24 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x2) setsockopt$inet6_group_source_req(r0, 0x29, 0x11, &(0x7f0000000100)={0x2, {{0xa, 0x0, 0x0, @mcast1}}, {{0xa, 0x0, 0x0, @loopback}}}, 0x108) [ 1061.944478][T12420] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1061.959453][T12420] CPU: 1 PID: 12420 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1061.969853][T12420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1061.980259][T12420] Call Trace: [ 1061.983736][T12420] [ 1061.986868][T12420] dump_stack_lvl+0x1bf/0x240 [ 1061.991921][T12420] dump_stack+0x1e/0x20 [ 1061.996415][T12420] sysfs_create_dir_ns+0x459/0x4c0 [ 1062.001843][T12420] ? device_release+0x2e0/0x2e0 [ 1062.007028][T12420] kobject_add_internal+0xd08/0x16a0 [ 1062.012680][T12420] kobject_add+0x28c/0x3b0 [ 1062.017461][T12420] ? kobject_put+0x1fe/0x330 [ 1062.022388][T12420] device_add+0xaa2/0x1f20 [ 1062.027137][T12420] netdev_register_kobject+0x1ec/0x520 [ 1062.032946][T12420] register_netdevice+0x138a/0x1cd0 [ 1062.038488][T12420] bond_newlink+0x98/0x140 [ 1062.043254][T12420] ? bond_validate+0x270/0x270 [ 1062.048361][T12420] rtnl_newlink+0x2d5f/0x4110 [ 1062.053459][T12420] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1062.060058][T12420] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1062.066214][T12420] ? rtnl_setlink+0x7f0/0x7f0 [ 1062.071194][T12420] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1062.076649][T12420] ? ref_tracker_free+0x45/0xc10 [ 1062.081898][T12420] ? filter_irq_stacks+0x60/0x1a0 [ 1062.087238][T12420] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1062.093422][T12420] ? filter_irq_stacks+0x164/0x1a0 [ 1062.098863][T12420] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1062.105029][T12420] netlink_rcv_skb+0x371/0x650 [ 1062.110118][T12420] ? rtnetlink_bind+0xf0/0xf0 [ 1062.115113][T12420] ? rtnetlink_net_exit+0x60/0x60 [ 1062.120444][T12420] rtnetlink_rcv+0x34/0x40 [ 1062.125163][T12420] netlink_unicast+0xf47/0x1250 [ 1062.130351][T12420] netlink_sendmsg+0x1238/0x13d0 [ 1062.135629][T12420] ? netlink_getsockopt+0x980/0x980 [ 1062.141158][T12420] ____sys_sendmsg+0x9c2/0xd60 [ 1062.146285][T12420] ___sys_sendmsg+0x28d/0x3c0 [ 1062.151304][T12420] ? __fget_files+0x580/0x640 [ 1062.156290][T12420] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1062.162444][T12420] __x64_sys_sendmsg+0x307/0x490 [ 1062.167711][T12420] do_syscall_64+0x44/0x110 [ 1062.172466][T12420] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1062.178694][T12420] RIP: 0033:0x7f449387cae9 [ 1062.183349][T12420] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1062.203288][T12420] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1062.211994][T12420] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1062.220193][T12420] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1062.228382][T12420] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1062.236566][T12420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1062.244747][T12420] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1062.253051][T12420] [ 1062.257003][T12420] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1062.280443][T12420] bond10000000000 (unregistered): Released all slaves 02:09:24 executing program 0: syz_emit_ethernet(0xa6, &(0x7f0000000000)={@dev, @local, @void, {@ipv4={0x800, @gre={{0x15, 0x4, 0x0, 0x0, 0x98, 0x0, 0x0, 0x0, 0x29, 0x0, @rand_addr, @broadcast, {[@timestamp_addr={0x44, 0x14, 0x0, 0x1, 0x0, [{@rand_addr=0x2b00}, {@private}]}, @timestamp_addr={0x44, 0x14, 0x0, 0x1, 0x0, [{@local}, {@empty}]}, @timestamp={0x44, 0x18, 0x0, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0]}]}}}}}}, 0x0) 02:09:24 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x88a8ffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:24 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00'}) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}, 0x10) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)='X', 0x8030000}], 0x1) recvmmsg(r1, &(0x7f0000003e40)=[{{&(0x7f00000036c0)=@un=@abs, 0x80, &(0x7f0000003780)=[{&(0x7f0000003740)=""/4, 0x4}], 0x1, &(0x7f00000037c0)=""/236, 0xec}}, {{0x0, 0x0, &(0x7f0000003bc0)=[{0x0}, {&(0x7f0000003a00)=""/190, 0xbe}, {&(0x7f0000003ac0)=""/131, 0x83}, {0x0}], 0x4, &(0x7f0000003c00)=""/73, 0x49}}, {{&(0x7f0000003c80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, 0x0, 0x0, &(0x7f0000003e00)=""/48, 0x30}}], 0x3, 0x40000121, 0x0) [ 1062.620759][T12428] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1062.630422][T12428] CPU: 0 PID: 12428 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1062.640821][T12428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1062.651145][T12428] Call Trace: [ 1062.654654][T12428] [ 1062.657792][T12428] dump_stack_lvl+0x1bf/0x240 [ 1062.662851][T12428] dump_stack+0x1e/0x20 [ 1062.667405][T12428] sysfs_create_dir_ns+0x459/0x4c0 [ 1062.672824][T12428] ? device_release+0x2e0/0x2e0 [ 1062.678013][T12428] kobject_add_internal+0xd08/0x16a0 [ 1062.683676][T12428] kobject_add+0x28c/0x3b0 [ 1062.688459][T12428] ? kobject_put+0x1fe/0x330 [ 1062.693388][T12428] device_add+0xaa2/0x1f20 [ 1062.698120][T12428] netdev_register_kobject+0x1ec/0x520 [ 1062.703861][T12428] register_netdevice+0x138a/0x1cd0 [ 1062.709351][T12428] bond_newlink+0x98/0x140 [ 1062.714061][T12428] ? bond_validate+0x270/0x270 [ 1062.719114][T12428] rtnl_newlink+0x2d5f/0x4110 [ 1062.724119][T12428] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1062.730699][T12428] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1062.736808][T12428] ? rtnl_setlink+0x7f0/0x7f0 [ 1062.741742][T12428] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1062.747147][T12428] ? ref_tracker_free+0x45/0xc10 [ 1062.752345][T12428] ? filter_irq_stacks+0x60/0x1a0 [ 1062.757637][T12428] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1062.763785][T12428] ? filter_irq_stacks+0x164/0x1a0 [ 1062.769179][T12428] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1062.775293][T12428] netlink_rcv_skb+0x371/0x650 [ 1062.780360][T12428] ? rtnetlink_bind+0xf0/0xf0 [ 1062.785309][T12428] ? rtnetlink_net_exit+0x60/0x60 [ 1062.790596][T12428] rtnetlink_rcv+0x34/0x40 [ 1062.795261][T12428] netlink_unicast+0xf47/0x1250 [ 1062.800417][T12428] netlink_sendmsg+0x1238/0x13d0 [ 1062.805644][T12428] ? netlink_getsockopt+0x980/0x980 [ 1062.811133][T12428] ____sys_sendmsg+0x9c2/0xd60 [ 1062.816192][T12428] ___sys_sendmsg+0x28d/0x3c0 [ 1062.821154][T12428] ? __fget_files+0x580/0x640 [ 1062.826087][T12428] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1062.832198][T12428] __x64_sys_sendmsg+0x307/0x490 [ 1062.837436][T12428] do_syscall_64+0x44/0x110 [ 1062.842183][T12428] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1062.848394][T12428] RIP: 0033:0x7f9a85a7cae9 [ 1062.853030][T12428] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1062.872921][T12428] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1062.881644][T12428] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1062.889857][T12428] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1062.898058][T12428] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1062.906249][T12428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1062.914439][T12428] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1062.922641][T12428] [ 1062.942038][T12428] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1062.959532][T12428] bond10000000000 (unregistered): Released all slaves 02:09:25 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xc000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:25 executing program 3: syz_emit_ethernet(0x3e, &(0x7f0000000280)={@local, @local, @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "fbf5c8", 0x8, 0x2c, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}, @local, {[@dstopts]}}}}}, 0x0) 02:09:25 executing program 0: syz_emit_ethernet(0xa6, &(0x7f0000000000)={@dev, @local, @void, {@ipv4={0x800, @gre={{0x15, 0x4, 0x0, 0x0, 0x98, 0x0, 0xa000, 0x0, 0x2f, 0x0, @rand_addr, @broadcast, {[@lsrr={0x83, 0x3}, @timestamp_addr={0x44, 0x14, 0x0, 0x1, 0x0, [{}, {@private}]}, @timestamp_addr={0x44, 0x14, 0x0, 0x1, 0x0, [{@local}, {@empty}]}, @ra={0x94, 0x4}, @timestamp={0x44, 0x10, 0x0, 0x0, 0x0, [0x0, 0x0, 0x0]}]}}}}}}, 0x0) [ 1063.267230][T12436] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1063.277148][T12436] CPU: 1 PID: 12436 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1063.287545][T12436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1063.297866][T12436] Call Trace: [ 1063.301354][T12436] [ 1063.304490][T12436] dump_stack_lvl+0x1bf/0x240 [ 1063.309541][T12436] dump_stack+0x1e/0x20 [ 1063.314037][T12436] sysfs_create_dir_ns+0x459/0x4c0 [ 1063.319452][T12436] ? device_release+0x2e0/0x2e0 [ 1063.324626][T12436] kobject_add_internal+0xd08/0x16a0 [ 1063.330268][T12436] kobject_add+0x28c/0x3b0 [ 1063.335034][T12436] ? kobject_put+0x1fe/0x330 [ 1063.339954][T12436] device_add+0xaa2/0x1f20 [ 1063.344694][T12436] netdev_register_kobject+0x1ec/0x520 [ 1063.350490][T12436] register_netdevice+0x138a/0x1cd0 [ 1063.356034][T12436] bond_newlink+0x98/0x140 [ 1063.360798][T12436] ? bond_validate+0x270/0x270 [ 1063.365897][T12436] rtnl_newlink+0x2d5f/0x4110 [ 1063.370950][T12436] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1063.377543][T12436] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1063.383708][T12436] ? rtnl_setlink+0x7f0/0x7f0 [ 1063.388713][T12436] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1063.394177][T12436] ? ref_tracker_free+0x45/0xc10 [ 1063.399445][T12436] ? filter_irq_stacks+0x60/0x1a0 [ 1063.404778][T12436] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1063.410894][T12436] ? filter_irq_stacks+0x164/0x1a0 [ 1063.416293][T12436] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1063.422398][T12436] netlink_rcv_skb+0x371/0x650 [ 1063.427462][T12436] ? rtnetlink_bind+0xf0/0xf0 [ 1063.432413][T12436] ? rtnetlink_net_exit+0x60/0x60 [ 1063.437699][T12436] rtnetlink_rcv+0x34/0x40 [ 1063.442389][T12436] netlink_unicast+0xf47/0x1250 [ 1063.447528][T12436] netlink_sendmsg+0x1238/0x13d0 [ 1063.452761][T12436] ? netlink_getsockopt+0x980/0x980 [ 1063.458262][T12436] ____sys_sendmsg+0x9c2/0xd60 [ 1063.463342][T12436] ___sys_sendmsg+0x28d/0x3c0 [ 1063.468334][T12436] ? __fget_files+0x580/0x640 [ 1063.473291][T12436] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1063.479427][T12436] __x64_sys_sendmsg+0x307/0x490 [ 1063.484702][T12436] do_syscall_64+0x44/0x110 [ 1063.489480][T12436] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1063.495744][T12436] RIP: 0033:0x7f449387cae9 [ 1063.500390][T12436] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1063.520311][T12436] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1063.529100][T12436] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1063.537309][T12436] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1063.545496][T12436] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1063.553681][T12436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1063.561884][T12436] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1063.570148][T12436] [ 1063.580557][T12436] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1063.601551][T12436] bond10000000000 (unregistered): Released all slaves 02:09:26 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xd9ffffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:26 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xd000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:26 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(0xffffffffffffffff, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:26 executing program 3: syz_emit_ethernet(0x3e, &(0x7f0000000280)={@local, @local, @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "fbf5c8", 0x8, 0x2c, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}, @local, {[@dstopts]}}}}}, 0x0) [ 1064.628624][T12447] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1064.638336][T12447] CPU: 0 PID: 12447 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1064.648729][T12447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1064.659050][T12447] Call Trace: [ 1064.662534][T12447] [ 1064.665667][T12447] dump_stack_lvl+0x1bf/0x240 [ 1064.670715][T12447] dump_stack+0x1e/0x20 [ 1064.675203][T12447] sysfs_create_dir_ns+0x459/0x4c0 [ 1064.680631][T12447] ? device_release+0x2e0/0x2e0 [ 1064.685808][T12447] kobject_add_internal+0xd08/0x16a0 [ 1064.691459][T12447] kobject_add+0x28c/0x3b0 [ 1064.696232][T12447] ? kobject_put+0x1fe/0x330 [ 1064.701159][T12447] device_add+0xaa2/0x1f20 [ 1064.705906][T12447] netdev_register_kobject+0x1ec/0x520 [ 1064.711697][T12447] register_netdevice+0x138a/0x1cd0 [ 1064.717236][T12447] bond_newlink+0x98/0x140 [ 1064.722006][T12447] ? bond_validate+0x270/0x270 [ 1064.727114][T12447] rtnl_newlink+0x2d5f/0x4110 [ 1064.732184][T12447] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1064.738787][T12447] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1064.744960][T12447] ? rtnl_setlink+0x7f0/0x7f0 [ 1064.749944][T12447] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1064.755395][T12447] ? ref_tracker_free+0x45/0xc10 [ 1064.760639][T12447] ? filter_irq_stacks+0x60/0x1a0 [ 1064.765975][T12447] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1064.772161][T12447] ? filter_irq_stacks+0x164/0x1a0 [ 1064.777614][T12447] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1064.783781][T12447] netlink_rcv_skb+0x371/0x650 [ 1064.788895][T12447] ? rtnetlink_bind+0xf0/0xf0 [ 1064.793910][T12447] ? rtnetlink_net_exit+0x60/0x60 [ 1064.799245][T12447] rtnetlink_rcv+0x34/0x40 [ 1064.803969][T12447] netlink_unicast+0xf47/0x1250 [ 1064.809153][T12447] netlink_sendmsg+0x1238/0x13d0 [ 1064.814459][T12447] ? netlink_getsockopt+0x980/0x980 [ 1064.819969][T12447] ____sys_sendmsg+0x9c2/0xd60 [ 1064.825083][T12447] ___sys_sendmsg+0x28d/0x3c0 [ 1064.830108][T12447] ? __fget_files+0x580/0x640 [ 1064.835101][T12447] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1064.841269][T12447] __x64_sys_sendmsg+0x307/0x490 [ 1064.846568][T12447] do_syscall_64+0x44/0x110 [ 1064.851350][T12447] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1064.857599][T12447] RIP: 0033:0x7f449387cae9 [ 1064.862273][T12447] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1064.882216][T12447] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1064.890990][T12447] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1064.899266][T12447] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1064.907504][T12447] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1064.915736][T12447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1064.924048][T12447] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1064.932483][T12447] [ 1064.948340][T12447] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1064.970591][T12447] bond10000000000 (unregistered): Released all slaves 02:09:27 executing program 0: syz_emit_ethernet(0x664, &(0x7f0000000840)=ANY=[@ANYBLOB="bfbded9525c4ffffffffffff88a8"], 0x0) 02:09:27 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00'}) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}, 0x10) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)='X', 0x8030000}], 0x1) recvmmsg(r1, &(0x7f0000003e40)=[{{&(0x7f00000036c0)=@un=@abs, 0x80, &(0x7f0000003780)=[{&(0x7f0000003740)=""/4, 0x4}], 0x1, &(0x7f00000037c0)=""/236, 0xec}}, {{0x0, 0x0, &(0x7f0000003bc0)=[{0x0}, {&(0x7f0000003a00)=""/190, 0xbe}, {&(0x7f0000003ac0)=""/131, 0x83}, {0x0}], 0x4, &(0x7f0000003c00)=""/73, 0x49}}, {{&(0x7f0000003c80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, 0x0, 0x0, &(0x7f0000003e00)=""/48, 0x30}}], 0x3, 0x40000121, 0x0) 02:09:27 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xeaffffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1065.355194][T12459] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1065.364841][T12459] CPU: 0 PID: 12459 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1065.375232][T12459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1065.385563][T12459] Call Trace: [ 1065.389132][T12459] [ 1065.392271][T12459] dump_stack_lvl+0x1bf/0x240 [ 1065.397318][T12459] dump_stack+0x1e/0x20 [ 1065.401821][T12459] sysfs_create_dir_ns+0x459/0x4c0 [ 1065.407303][T12459] ? device_release+0x2e0/0x2e0 [ 1065.412468][T12459] kobject_add_internal+0xd08/0x16a0 [ 1065.418089][T12459] kobject_add+0x28c/0x3b0 [ 1065.422816][T12459] ? kobject_put+0x1fe/0x330 [ 1065.427726][T12459] device_add+0xaa2/0x1f20 [ 1065.432439][T12459] netdev_register_kobject+0x1ec/0x520 [ 1065.438190][T12459] register_netdevice+0x138a/0x1cd0 [ 1065.443687][T12459] bond_newlink+0x98/0x140 [ 1065.448395][T12459] ? bond_validate+0x270/0x270 [ 1065.453478][T12459] rtnl_newlink+0x2d5f/0x4110 [ 1065.458480][T12459] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1065.465041][T12459] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1065.471184][T12459] ? rtnl_setlink+0x7f0/0x7f0 [ 1065.476154][T12459] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1065.481564][T12459] ? ref_tracker_free+0x45/0xc10 [ 1065.486770][T12459] ? filter_irq_stacks+0x60/0x1a0 [ 1065.492063][T12459] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1065.498193][T12459] ? filter_irq_stacks+0x164/0x1a0 [ 1065.503627][T12459] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1065.509760][T12459] netlink_rcv_skb+0x371/0x650 [ 1065.514827][T12459] ? rtnetlink_bind+0xf0/0xf0 [ 1065.519807][T12459] ? rtnetlink_net_exit+0x60/0x60 [ 1065.525132][T12459] rtnetlink_rcv+0x34/0x40 [ 1065.529830][T12459] netlink_unicast+0xf47/0x1250 [ 1065.534968][T12459] netlink_sendmsg+0x1238/0x13d0 [ 1065.540200][T12459] ? netlink_getsockopt+0x980/0x980 [ 1065.545677][T12459] ____sys_sendmsg+0x9c2/0xd60 [ 1065.550745][T12459] ___sys_sendmsg+0x28d/0x3c0 [ 1065.555712][T12459] ? __fget_files+0x580/0x640 [ 1065.560735][T12459] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1065.566840][T12459] __x64_sys_sendmsg+0x307/0x490 [ 1065.572075][T12459] do_syscall_64+0x44/0x110 [ 1065.576820][T12459] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1065.583024][T12459] RIP: 0033:0x7f9a85a7cae9 [ 1065.587664][T12459] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1065.607540][T12459] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1065.616231][T12459] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1065.624431][T12459] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1065.632611][T12459] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1065.640810][T12459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1065.649017][T12459] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1065.657232][T12459] [ 1065.668470][T12459] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1065.684762][T12459] bond10000000000 (unregistered): Released all slaves 02:09:28 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xe000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:28 executing program 0: syz_emit_ethernet(0x32, &(0x7f0000000000)={@broadcast, @local, @void, {@ipv4={0x800, @igmp={{0x7, 0x4, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0, 0x2, 0x0, @private, @empty, {[@ssrr={0x89, 0x3, 0xfd}, @timestamp={0x44, 0x4, 0xc7}]}}, {0x0, 0x0, 0x0, @loopback}}}}}, 0x0) 02:09:28 executing program 3: syz_emit_ethernet(0x3e, &(0x7f0000000280)={@local, @local, @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "fbf5c8", 0x8, 0x2c, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}, @local, {[@dstopts]}}}}}, 0x0) 02:09:28 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(0xffffffffffffffff, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:28 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xedffffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:28 executing program 3: syz_emit_ethernet(0x3e, &(0x7f0000000280)={@local, @local, @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "fbf5c8", 0x8, 0x2c, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}, @local, {[@dstopts]}}}}}, 0x0) [ 1066.270887][T12470] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1066.280775][T12470] CPU: 0 PID: 12470 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1066.291156][T12470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1066.301487][T12470] Call Trace: [ 1066.304977][T12470] [ 1066.308115][T12470] dump_stack_lvl+0x1bf/0x240 [ 1066.313192][T12470] dump_stack+0x1e/0x20 [ 1066.317721][T12470] sysfs_create_dir_ns+0x459/0x4c0 [ 1066.323163][T12470] ? device_release+0x2e0/0x2e0 [ 1066.328365][T12470] kobject_add_internal+0xd08/0x16a0 [ 1066.334064][T12470] kobject_add+0x28c/0x3b0 [ 1066.338879][T12470] ? kobject_put+0x1fe/0x330 [ 1066.343841][T12470] device_add+0xaa2/0x1f20 [ 1066.348599][T12470] netdev_register_kobject+0x1ec/0x520 [ 1066.354388][T12470] register_netdevice+0x138a/0x1cd0 [ 1066.359925][T12470] bond_newlink+0x98/0x140 [ 1066.364702][T12470] ? bond_validate+0x270/0x270 [ 1066.369812][T12470] rtnl_newlink+0x2d5f/0x4110 [ 1066.374867][T12470] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1066.381431][T12470] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1066.387539][T12470] ? rtnl_setlink+0x7f0/0x7f0 [ 1066.392488][T12470] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1066.397896][T12470] ? ref_tracker_free+0x45/0xc10 [ 1066.403114][T12470] ? filter_irq_stacks+0x60/0x1a0 [ 1066.408409][T12470] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1066.414521][T12470] ? filter_irq_stacks+0x164/0x1a0 [ 1066.419923][T12470] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1066.426034][T12470] netlink_rcv_skb+0x371/0x650 [ 1066.431096][T12470] ? rtnetlink_bind+0xf0/0xf0 [ 1066.436054][T12470] ? rtnetlink_net_exit+0x60/0x60 [ 1066.441350][T12470] rtnetlink_rcv+0x34/0x40 [ 1066.446026][T12470] netlink_unicast+0xf47/0x1250 [ 1066.451170][T12470] netlink_sendmsg+0x1238/0x13d0 [ 1066.456396][T12470] ? netlink_getsockopt+0x980/0x980 [ 1066.461875][T12470] ____sys_sendmsg+0x9c2/0xd60 [ 1066.466949][T12470] ___sys_sendmsg+0x28d/0x3c0 [ 1066.471924][T12470] ? __fget_files+0x580/0x640 [ 1066.476866][T12470] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1066.482992][T12470] __x64_sys_sendmsg+0x307/0x490 [ 1066.488238][T12470] do_syscall_64+0x44/0x110 [ 1066.493003][T12470] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1066.499234][T12470] RIP: 0033:0x7f449387cae9 [ 1066.503869][T12470] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1066.523782][T12470] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1066.532490][T12470] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1066.540727][T12470] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1066.548918][T12470] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1066.557111][T12470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1066.565299][T12470] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1066.573529][T12470] [ 1066.588237][T12470] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1066.604530][T12470] bond10000000000 (unregistered): Released all slaves [ 1066.876129][T12476] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1066.885787][T12476] CPU: 1 PID: 12476 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1066.896205][T12476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1066.906521][T12476] Call Trace: [ 1066.910005][T12476] [ 1066.913141][T12476] dump_stack_lvl+0x1bf/0x240 [ 1066.918187][T12476] dump_stack+0x1e/0x20 [ 1066.922693][T12476] sysfs_create_dir_ns+0x459/0x4c0 [ 1066.928114][T12476] ? device_release+0x2e0/0x2e0 [ 1066.933287][T12476] kobject_add_internal+0xd08/0x16a0 [ 1066.938933][T12476] kobject_add+0x28c/0x3b0 [ 1066.943704][T12476] ? kobject_put+0x1fe/0x330 [ 1066.948622][T12476] device_add+0xaa2/0x1f20 [ 1066.953361][T12476] netdev_register_kobject+0x1ec/0x520 [ 1066.959140][T12476] register_netdevice+0x138a/0x1cd0 [ 1066.964628][T12476] bond_newlink+0x98/0x140 [ 1066.969357][T12476] ? bond_validate+0x270/0x270 [ 1066.974443][T12476] rtnl_newlink+0x2d5f/0x4110 [ 1066.979473][T12476] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1066.986017][T12476] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1066.992130][T12476] ? rtnl_setlink+0x7f0/0x7f0 [ 1066.997071][T12476] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1067.002478][T12476] ? ref_tracker_free+0x45/0xc10 [ 1067.007678][T12476] ? filter_irq_stacks+0x60/0x1a0 [ 1067.012991][T12476] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1067.019108][T12476] ? filter_irq_stacks+0x164/0x1a0 [ 1067.024494][T12476] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1067.030599][T12476] netlink_rcv_skb+0x371/0x650 [ 1067.035662][T12476] ? rtnetlink_bind+0xf0/0xf0 [ 1067.040650][T12476] ? rtnetlink_net_exit+0x60/0x60 [ 1067.045959][T12476] rtnetlink_rcv+0x34/0x40 [ 1067.050673][T12476] netlink_unicast+0xf47/0x1250 [ 1067.055813][T12476] netlink_sendmsg+0x1238/0x13d0 [ 1067.061038][T12476] ? netlink_getsockopt+0x980/0x980 [ 1067.066510][T12476] ____sys_sendmsg+0x9c2/0xd60 [ 1067.071575][T12476] ___sys_sendmsg+0x28d/0x3c0 [ 1067.076582][T12476] ? __fget_files+0x580/0x640 [ 1067.081545][T12476] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1067.087652][T12476] __x64_sys_sendmsg+0x307/0x490 [ 1067.092903][T12476] do_syscall_64+0x44/0x110 [ 1067.097674][T12476] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1067.103875][T12476] RIP: 0033:0x7f9a85a7cae9 [ 1067.108504][T12476] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1067.128383][T12476] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1067.137079][T12476] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1067.145277][T12476] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1067.153461][T12476] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1067.161643][T12476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1067.169826][T12476] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1067.178061][T12476] [ 1067.190833][T12476] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1067.207691][T12476] bond10000000000 (unregistered): Released all slaves 02:09:29 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xf000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:29 executing program 0: syz_emit_ethernet(0x46, &(0x7f00000000c0)={@local, @random="92703410472e", @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "838524", 0x10, 0x0, 0x0, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @ipv4={'\x00', '\xff\xff', @local}, {[@hopopts={0x0, 0x0, '\x00', [@pad1, @ra]}]}}}}}, 0x0) 02:09:29 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00'}) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}, 0x10) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)='X', 0x8030000}], 0x1) recvmmsg(r1, &(0x7f0000003e40)=[{{&(0x7f00000036c0)=@un=@abs, 0x80, &(0x7f0000003780)=[{&(0x7f0000003740)=""/4, 0x4}], 0x1, &(0x7f00000037c0)=""/236, 0xec}}, {{0x0, 0x0, &(0x7f0000003bc0)=[{0x0}, {&(0x7f0000003a00)=""/190, 0xbe}, {&(0x7f0000003ac0)=""/131, 0x83}, {0x0}], 0x4, &(0x7f0000003c00)=""/73, 0x49}}, {{&(0x7f0000003c80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, 0x0, 0x0, &(0x7f0000003e00)=""/48, 0x30}}], 0x3, 0x40000121, 0x0) 02:09:30 executing program 3: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, &(0x7f0000000200)) r0 = openat$incfs(0xffffffffffffff9c, &(0x7f00000000c0)='.log\x00', 0x41, 0x0) write$tun(r0, &(0x7f0000000100)={@val, @void, @eth={@dev, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, @val, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0465fb", 0x14, 0x6, 0x0, @dev={0xfe, 0x80, '\x00', 0x21}, @remote, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5}}}}}}}}, 0x56) 02:09:30 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xf0ffffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:30 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, 0x0, 0x0, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) [ 1067.860911][T12484] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1067.870548][T12484] CPU: 1 PID: 12484 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1067.880921][T12484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1067.891253][T12484] Call Trace: [ 1067.894726][T12484] [ 1067.897834][T12484] dump_stack_lvl+0x1bf/0x240 [ 1067.902838][T12484] dump_stack+0x1e/0x20 [ 1067.907303][T12484] sysfs_create_dir_ns+0x459/0x4c0 [ 1067.912677][T12484] ? device_release+0x2e0/0x2e0 [ 1067.917844][T12484] kobject_add_internal+0xd08/0x16a0 [ 1067.923441][T12484] kobject_add+0x28c/0x3b0 [ 1067.928154][T12484] ? kobject_put+0x1fe/0x330 [ 1067.933031][T12484] device_add+0xaa2/0x1f20 [ 1067.937721][T12484] netdev_register_kobject+0x1ec/0x520 [ 1067.943457][T12484] register_netdevice+0x138a/0x1cd0 [ 1067.948938][T12484] bond_newlink+0x98/0x140 [ 1067.953651][T12484] ? bond_validate+0x270/0x270 [ 1067.958698][T12484] rtnl_newlink+0x2d5f/0x4110 [ 1067.963691][T12484] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1067.970224][T12484] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1067.976324][T12484] ? rtnl_setlink+0x7f0/0x7f0 [ 1067.981256][T12484] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1067.986653][T12484] ? ref_tracker_free+0x45/0xc10 [ 1067.991845][T12484] ? filter_irq_stacks+0x60/0x1a0 [ 1067.997145][T12484] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1068.003261][T12484] ? filter_irq_stacks+0x164/0x1a0 [ 1068.008710][T12484] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1068.014861][T12484] netlink_rcv_skb+0x371/0x650 [ 1068.019916][T12484] ? rtnetlink_bind+0xf0/0xf0 [ 1068.024866][T12484] ? rtnetlink_net_exit+0x60/0x60 [ 1068.030149][T12484] rtnetlink_rcv+0x34/0x40 [ 1068.034840][T12484] netlink_unicast+0xf47/0x1250 [ 1068.039973][T12484] netlink_sendmsg+0x1238/0x13d0 [ 1068.045193][T12484] ? netlink_getsockopt+0x980/0x980 [ 1068.050656][T12484] ____sys_sendmsg+0x9c2/0xd60 [ 1068.055714][T12484] ___sys_sendmsg+0x28d/0x3c0 [ 1068.060858][T12484] ? __fget_files+0x580/0x640 [ 1068.065799][T12484] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1068.071904][T12484] __x64_sys_sendmsg+0x307/0x490 [ 1068.077146][T12484] do_syscall_64+0x44/0x110 [ 1068.081890][T12484] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1068.088095][T12484] RIP: 0033:0x7f449387cae9 [ 1068.092732][T12484] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1068.112641][T12484] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1068.121367][T12484] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1068.129564][T12484] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1068.137744][T12484] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1068.145948][T12484] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1068.154223][T12484] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 02:09:30 executing program 0: syz_emit_ethernet(0x36, &(0x7f0000000240)={@broadcast, @broadcast, @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "a8575a", 0x0, 0x32, 0x0, @empty, @local}}}}, 0x0) [ 1068.162433][T12484] [ 1068.175817][T12484] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1068.191902][T12484] bond10000000000 (unregistered): Released all slaves 02:09:30 executing program 3: syz_emit_ethernet(0x3a, &(0x7f00000000c0)={@multicast, @remote, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x11, 0x0, @local, @multicast1}, {0x0, 0x0, 0x18, 0x0, @wg=@data}}}}}, 0x0) 02:09:31 executing program 0: syz_emit_ethernet(0x20000ea4, 0x0, 0x0) 02:09:31 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x10000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1068.760528][T12496] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1068.770839][T12496] CPU: 1 PID: 12496 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1068.781230][T12496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1068.791539][T12496] Call Trace: [ 1068.794997][T12496] [ 1068.798095][T12496] dump_stack_lvl+0x1bf/0x240 [ 1068.803093][T12496] dump_stack+0x1e/0x20 [ 1068.807546][T12496] sysfs_create_dir_ns+0x459/0x4c0 [ 1068.812934][T12496] ? device_release+0x2e0/0x2e0 [ 1068.818100][T12496] kobject_add_internal+0xd08/0x16a0 [ 1068.823740][T12496] kobject_add+0x28c/0x3b0 [ 1068.828459][T12496] ? kobject_put+0x1fe/0x330 [ 1068.833329][T12496] device_add+0xaa2/0x1f20 [ 1068.838024][T12496] netdev_register_kobject+0x1ec/0x520 [ 1068.843762][T12496] register_netdevice+0x138a/0x1cd0 [ 1068.849244][T12496] bond_newlink+0x98/0x140 [ 1068.853954][T12496] ? bond_validate+0x270/0x270 [ 1068.859003][T12496] rtnl_newlink+0x2d5f/0x4110 [ 1068.864014][T12496] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1068.870552][T12496] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1068.876653][T12496] ? rtnl_setlink+0x7f0/0x7f0 [ 1068.881594][T12496] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1068.887001][T12496] ? ref_tracker_free+0x45/0xc10 [ 1068.892198][T12496] ? filter_irq_stacks+0x60/0x1a0 [ 1068.897506][T12496] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1068.903618][T12496] ? filter_irq_stacks+0x164/0x1a0 [ 1068.909008][T12496] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1068.915126][T12496] netlink_rcv_skb+0x371/0x650 [ 1068.920219][T12496] ? rtnetlink_bind+0xf0/0xf0 [ 1068.925208][T12496] ? rtnetlink_net_exit+0x60/0x60 [ 1068.930500][T12496] rtnetlink_rcv+0x34/0x40 [ 1068.935184][T12496] netlink_unicast+0xf47/0x1250 [ 1068.940333][T12496] netlink_sendmsg+0x1238/0x13d0 [ 1068.945557][T12496] ? netlink_getsockopt+0x980/0x980 [ 1068.951020][T12496] ____sys_sendmsg+0x9c2/0xd60 [ 1068.956077][T12496] ___sys_sendmsg+0x28d/0x3c0 [ 1068.961034][T12496] ? __fget_files+0x580/0x640 [ 1068.965996][T12496] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1068.972096][T12496] __x64_sys_sendmsg+0x307/0x490 [ 1068.977345][T12496] do_syscall_64+0x44/0x110 [ 1068.982088][T12496] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1068.988297][T12496] RIP: 0033:0x7f9a85a7cae9 [ 1068.992938][T12496] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1069.012841][T12496] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1069.021550][T12496] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1069.029774][T12496] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1069.037962][T12496] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1069.046152][T12496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1069.054340][T12496] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1069.062551][T12496] [ 1069.067995][T12496] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1069.090102][T12496] bond10000000000 (unregistered): Released all slaves 02:09:31 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, 0x0, 0x0, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:31 executing program 3: syz_emit_ethernet(0x664, &(0x7f0000000840)=ANY=[@ANYBLOB="bfbded9525c4ffffffffffff4305"], 0x0) 02:09:31 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xf3ffffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1069.605955][T12505] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1069.615906][T12505] CPU: 1 PID: 12505 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1069.626284][T12505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1069.636567][T12505] Call Trace: [ 1069.640024][T12505] [ 1069.643129][T12505] dump_stack_lvl+0x1bf/0x240 [ 1069.648153][T12505] dump_stack+0x1e/0x20 [ 1069.652598][T12505] sysfs_create_dir_ns+0x459/0x4c0 [ 1069.658010][T12505] ? device_release+0x2e0/0x2e0 [ 1069.663126][T12505] kobject_add_internal+0xd08/0x16a0 [ 1069.668715][T12505] kobject_add+0x28c/0x3b0 [ 1069.673422][T12505] ? kobject_put+0x1fe/0x330 [ 1069.678292][T12505] device_add+0xaa2/0x1f20 [ 1069.682986][T12505] netdev_register_kobject+0x1ec/0x520 [ 1069.688725][T12505] register_netdevice+0x138a/0x1cd0 [ 1069.694210][T12505] bond_newlink+0x98/0x140 [ 1069.698915][T12505] ? bond_validate+0x270/0x270 [ 1069.703966][T12505] rtnl_newlink+0x2d5f/0x4110 [ 1069.708965][T12505] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1069.715503][T12505] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1069.721605][T12505] ? rtnl_setlink+0x7f0/0x7f0 [ 1069.726537][T12505] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1069.731934][T12505] ? ref_tracker_free+0x45/0xc10 [ 1069.737148][T12505] ? filter_irq_stacks+0x60/0x1a0 [ 1069.742491][T12505] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1069.748610][T12505] ? filter_irq_stacks+0x164/0x1a0 [ 1069.754005][T12505] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1069.760110][T12505] netlink_rcv_skb+0x371/0x650 [ 1069.765161][T12505] ? rtnetlink_bind+0xf0/0xf0 [ 1069.770120][T12505] ? rtnetlink_net_exit+0x60/0x60 [ 1069.775407][T12505] rtnetlink_rcv+0x34/0x40 [ 1069.780116][T12505] netlink_unicast+0xf47/0x1250 [ 1069.785249][T12505] netlink_sendmsg+0x1238/0x13d0 [ 1069.790480][T12505] ? netlink_getsockopt+0x980/0x980 [ 1069.795941][T12505] ____sys_sendmsg+0x9c2/0xd60 [ 1069.801005][T12505] ___sys_sendmsg+0x28d/0x3c0 [ 1069.805977][T12505] ? __fget_files+0x580/0x640 [ 1069.810911][T12505] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1069.817017][T12505] __x64_sys_sendmsg+0x307/0x490 [ 1069.822252][T12505] do_syscall_64+0x44/0x110 [ 1069.826996][T12505] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1069.833202][T12505] RIP: 0033:0x7f449387cae9 [ 1069.837852][T12505] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1069.857761][T12505] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1069.866453][T12505] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1069.874650][T12505] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1069.882840][T12505] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1069.891024][T12505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1069.899201][T12505] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1069.907418][T12505] [ 1069.919235][T12505] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1069.935347][T12505] bond10000000000 (unregistered): Released all slaves 02:09:32 executing program 0: syz_emit_ethernet(0x38, &(0x7f0000000180)={@local, @random="1d88df1d5898", @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "5dbbc0", 0x2, 0x2c, 0x0, @dev, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, {[], "3dee"}}}}}, 0x0) 02:09:32 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00'}) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}, 0x10) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)='X', 0x8030000}], 0x1) recvmmsg(r1, &(0x7f0000003e40)=[{{0x0, 0x0, 0x0}}, {{&(0x7f00000036c0)=@un=@abs, 0x80, &(0x7f0000003780)=[{&(0x7f0000003740)=""/4, 0x4}], 0x1, &(0x7f00000037c0)=""/236, 0xec}}, {{0x0, 0x0, &(0x7f0000003bc0)=[{0x0}, {&(0x7f0000003a00)=""/190, 0xbe}, {&(0x7f0000003ac0)=""/131, 0x83}, {0x0}], 0x4, &(0x7f0000003c00)=""/73, 0x49}}, {{&(0x7f0000003c80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, 0x0, 0x0, &(0x7f0000003e00)=""/48, 0x30}}], 0x4, 0x40000121, 0x0) [ 1070.415177][T12512] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1070.424744][T12512] CPU: 1 PID: 12512 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1070.435116][T12512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1070.445397][T12512] Call Trace: [ 1070.448858][T12512] [ 1070.451965][T12512] dump_stack_lvl+0x1bf/0x240 [ 1070.457010][T12512] dump_stack+0x1e/0x20 [ 1070.461484][T12512] sysfs_create_dir_ns+0x459/0x4c0 [ 1070.466862][T12512] ? device_release+0x2e0/0x2e0 [ 1070.471989][T12512] kobject_add_internal+0xd08/0x16a0 [ 1070.477597][T12512] kobject_add+0x28c/0x3b0 [ 1070.482310][T12512] ? kobject_put+0x1fe/0x330 [ 1070.487174][T12512] device_add+0xaa2/0x1f20 [ 1070.491871][T12512] netdev_register_kobject+0x1ec/0x520 [ 1070.497605][T12512] register_netdevice+0x138a/0x1cd0 [ 1070.503096][T12512] bond_newlink+0x98/0x140 [ 1070.507835][T12512] ? bond_validate+0x270/0x270 [ 1070.512892][T12512] rtnl_newlink+0x2d5f/0x4110 [ 1070.517892][T12512] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1070.524436][T12512] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1070.530531][T12512] ? rtnl_setlink+0x7f0/0x7f0 [ 1070.535461][T12512] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1070.540860][T12512] ? ref_tracker_free+0x45/0xc10 [ 1070.546055][T12512] ? filter_irq_stacks+0x60/0x1a0 [ 1070.551380][T12512] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1070.557543][T12512] ? filter_irq_stacks+0x164/0x1a0 [ 1070.562999][T12512] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1070.569157][T12512] netlink_rcv_skb+0x371/0x650 [ 1070.574253][T12512] ? rtnetlink_bind+0xf0/0xf0 [ 1070.579210][T12512] ? rtnetlink_net_exit+0x60/0x60 [ 1070.584493][T12512] rtnetlink_rcv+0x34/0x40 [ 1070.589173][T12512] netlink_unicast+0xf47/0x1250 [ 1070.594301][T12512] netlink_sendmsg+0x1238/0x13d0 [ 1070.599526][T12512] ? netlink_getsockopt+0x980/0x980 [ 1070.604995][T12512] ____sys_sendmsg+0x9c2/0xd60 [ 1070.610058][T12512] ___sys_sendmsg+0x28d/0x3c0 [ 1070.615028][T12512] ? __fget_files+0x580/0x640 [ 1070.619981][T12512] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1070.626092][T12512] __x64_sys_sendmsg+0x307/0x490 [ 1070.631331][T12512] do_syscall_64+0x44/0x110 [ 1070.636074][T12512] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1070.642282][T12512] RIP: 0033:0x7f9a85a7cae9 [ 1070.646913][T12512] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1070.666807][T12512] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1070.675501][T12512] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1070.683698][T12512] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1070.691892][T12512] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1070.700077][T12512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1070.708262][T12512] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1070.716473][T12512] [ 1070.726117][T12512] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1070.742054][T12512] bond10000000000 (unregistered): Released all slaves 02:09:33 executing program 3: syz_emit_ethernet(0x6a, &(0x7f0000000200)={@local, @local, @void, {@ipv4={0x800, @gre={{0x6, 0x4, 0x0, 0x0, 0x5c, 0x0, 0x0, 0x0, 0x11, 0x0, @dev, @remote, {[@rr={0x7, 0x3, 0x11}]}}}}}}, 0x0) 02:09:33 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x11000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:33 executing program 0: syz_emit_ethernet(0x12e, &(0x7f00000000c0)=ANY=[@ANYBLOB="bbbbbbbbbbbb92703410472e86dd6083852400f80000fc00000000000000000000000000000000000000000000000000ffffac1e0001001d00000000000005"], 0x0) 02:09:33 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xff600000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:33 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, 0x0, 0x0, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) [ 1071.455882][T12524] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1071.465458][T12524] CPU: 1 PID: 12524 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1071.475850][T12524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1071.486154][T12524] Call Trace: [ 1071.489599][T12524] [ 1071.492699][T12524] dump_stack_lvl+0x1bf/0x240 [ 1071.497703][T12524] dump_stack+0x1e/0x20 [ 1071.502142][T12524] sysfs_create_dir_ns+0x459/0x4c0 [ 1071.507528][T12524] ? device_release+0x2e0/0x2e0 [ 1071.512693][T12524] kobject_add_internal+0xd08/0x16a0 [ 1071.518329][T12524] kobject_add+0x28c/0x3b0 [ 1071.523051][T12524] ? kobject_put+0x1fe/0x330 [ 1071.527935][T12524] device_add+0xaa2/0x1f20 [ 1071.532659][T12524] netdev_register_kobject+0x1ec/0x520 [ 1071.538416][T12524] register_netdevice+0x138a/0x1cd0 [ 1071.543907][T12524] bond_newlink+0x98/0x140 [ 1071.548612][T12524] ? bond_validate+0x270/0x270 [ 1071.553661][T12524] rtnl_newlink+0x2d5f/0x4110 [ 1071.558659][T12524] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1071.565194][T12524] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1071.571286][T12524] ? rtnl_setlink+0x7f0/0x7f0 [ 1071.576244][T12524] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1071.581682][T12524] ? ref_tracker_free+0x45/0xc10 [ 1071.586920][T12524] ? filter_irq_stacks+0x60/0x1a0 [ 1071.592235][T12524] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1071.598485][T12524] ? filter_irq_stacks+0x164/0x1a0 [ 1071.603918][T12524] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1071.610056][T12524] netlink_rcv_skb+0x371/0x650 [ 1071.615214][T12524] ? rtnetlink_bind+0xf0/0xf0 [ 1071.620174][T12524] ? rtnetlink_net_exit+0x60/0x60 [ 1071.625471][T12524] rtnetlink_rcv+0x34/0x40 [ 1071.630157][T12524] netlink_unicast+0xf47/0x1250 [ 1071.635294][T12524] netlink_sendmsg+0x1238/0x13d0 [ 1071.640515][T12524] ? netlink_getsockopt+0x980/0x980 [ 1071.645977][T12524] ____sys_sendmsg+0x9c2/0xd60 [ 1071.651034][T12524] ___sys_sendmsg+0x28d/0x3c0 [ 1071.656024][T12524] ? __fget_files+0x580/0x640 [ 1071.660963][T12524] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1071.667079][T12524] __x64_sys_sendmsg+0x307/0x490 [ 1071.672313][T12524] do_syscall_64+0x44/0x110 [ 1071.677085][T12524] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1071.683330][T12524] RIP: 0033:0x7f449387cae9 [ 1071.688000][T12524] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1071.707900][T12524] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1071.716609][T12524] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1071.724810][T12524] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1071.733008][T12524] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1071.741213][T12524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1071.749399][T12524] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1071.757702][T12524] [ 1071.769597][T12524] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1071.792215][T12524] bond10000000000 (unregistered): Released all slaves 02:09:34 executing program 0: syz_emit_ethernet(0x76, &(0x7f0000000080)={@multicast, @random="92703410472e", @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "838524", 0x0, 0x11, 0x0, @private0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}}}}}, 0x0) 02:09:34 executing program 3: syz_emit_ethernet(0xa6, &(0x7f0000000000)={@link_local, @broadcast, @void, {@ipv4={0x800, @gre={{0x15, 0x4, 0x0, 0x0, 0x98, 0x0, 0x0, 0x0, 0x29, 0x0, @rand_addr, @broadcast, {[@timestamp_addr={0x44, 0x14, 0x0, 0x1, 0x0, [{@empty}, {@private}]}, @timestamp_addr={0x44, 0x14, 0x0, 0x1, 0x0, [{@local}, {@empty}]}, @timestamp={0x44, 0x18, 0x0, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0]}]}}}}}}, 0x0) 02:09:34 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00'}) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}, 0x10) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)='X', 0x8030000}], 0x1) recvmmsg(r1, &(0x7f0000003e40)=[{{0x0, 0x0, 0x0}}, {{&(0x7f00000036c0)=@un=@abs, 0x80, &(0x7f0000003780)=[{&(0x7f0000003740)=""/4, 0x4}], 0x1, &(0x7f00000037c0)=""/236, 0xec}}, {{0x0, 0x0, &(0x7f0000003bc0)=[{0x0}, {&(0x7f0000003a00)=""/190, 0xbe}, {&(0x7f0000003ac0)=""/131, 0x83}, {0x0}], 0x4, &(0x7f0000003c00)=""/73, 0x49}}, {{&(0x7f0000003c80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, 0x0, 0x0, &(0x7f0000003e00)=""/48, 0x30}}], 0x4, 0x40000121, 0x0) 02:09:34 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x12000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1072.415305][T12530] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1072.425087][T12530] CPU: 0 PID: 12530 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1072.435479][T12530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1072.445803][T12530] Call Trace: [ 1072.449282][T12530] [ 1072.452400][T12530] dump_stack_lvl+0x1bf/0x240 [ 1072.457467][T12530] dump_stack+0x1e/0x20 [ 1072.461963][T12530] sysfs_create_dir_ns+0x459/0x4c0 [ 1072.467396][T12530] ? device_release+0x2e0/0x2e0 [ 1072.472602][T12530] kobject_add_internal+0xd08/0x16a0 [ 1072.478341][T12530] kobject_add+0x28c/0x3b0 [ 1072.483125][T12530] ? kobject_put+0x1fe/0x330 [ 1072.488038][T12530] device_add+0xaa2/0x1f20 [ 1072.492784][T12530] netdev_register_kobject+0x1ec/0x520 [ 1072.498582][T12530] register_netdevice+0x138a/0x1cd0 [ 1072.504154][T12530] bond_newlink+0x98/0x140 [ 1072.508917][T12530] ? bond_validate+0x270/0x270 [ 1072.514021][T12530] rtnl_newlink+0x2d5f/0x4110 [ 1072.519078][T12530] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1072.525680][T12530] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1072.531817][T12530] ? rtnl_setlink+0x7f0/0x7f0 [ 1072.536808][T12530] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1072.542270][T12530] ? ref_tracker_free+0x45/0xc10 [ 1072.547528][T12530] ? filter_irq_stacks+0x60/0x1a0 [ 1072.552890][T12530] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1072.559053][T12530] ? filter_irq_stacks+0x164/0x1a0 [ 1072.564504][T12530] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1072.570685][T12530] netlink_rcv_skb+0x371/0x650 [ 1072.575795][T12530] ? rtnetlink_bind+0xf0/0xf0 [ 1072.580815][T12530] ? rtnetlink_net_exit+0x60/0x60 [ 1072.586162][T12530] rtnetlink_rcv+0x34/0x40 [ 1072.590900][T12530] netlink_unicast+0xf47/0x1250 [ 1072.596096][T12530] netlink_sendmsg+0x1238/0x13d0 [ 1072.601382][T12530] ? netlink_getsockopt+0x980/0x980 [ 1072.606922][T12530] ____sys_sendmsg+0x9c2/0xd60 [ 1072.612046][T12530] ___sys_sendmsg+0x28d/0x3c0 [ 1072.617081][T12530] ? __fget_files+0x580/0x640 [ 1072.622070][T12530] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1072.628252][T12530] __x64_sys_sendmsg+0x307/0x490 [ 1072.633559][T12530] do_syscall_64+0x44/0x110 [ 1072.638361][T12530] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1072.644641][T12530] RIP: 0033:0x7f9a85a7cae9 [ 1072.649310][T12530] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1072.669322][T12530] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1072.678071][T12530] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1072.686327][T12530] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1072.694564][T12530] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1072.702804][T12530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1072.711029][T12530] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1072.719285][T12530] [ 1072.733489][T12530] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1072.749262][T12530] bond10000000000 (unregistered): Released all slaves [ 1072.953447][T12541] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1072.963431][T12541] CPU: 0 PID: 12541 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1072.973885][T12541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1072.984197][T12541] Call Trace: [ 1072.987689][T12541] [ 1072.990815][T12541] dump_stack_lvl+0x1bf/0x240 [ 1072.995863][T12541] dump_stack+0x1e/0x20 [ 1073.000368][T12541] sysfs_create_dir_ns+0x459/0x4c0 [ 1073.005793][T12541] ? device_release+0x2e0/0x2e0 [ 1073.010961][T12541] kobject_add_internal+0xd08/0x16a0 [ 1073.016604][T12541] kobject_add+0x28c/0x3b0 [ 1073.021369][T12541] ? kobject_put+0x1fe/0x330 [ 1073.026295][T12541] device_add+0xaa2/0x1f20 [ 1073.031028][T12541] netdev_register_kobject+0x1ec/0x520 [ 1073.036812][T12541] register_netdevice+0x138a/0x1cd0 [ 1073.042337][T12541] bond_newlink+0x98/0x140 [ 1073.047091][T12541] ? bond_validate+0x270/0x270 02:09:35 executing program 0: syz_emit_ethernet(0x76, &(0x7f0000000080)={@multicast, @random="92703410472e", @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "838524", 0x0, 0x11, 0x0, @private0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}}}}}, 0x0) [ 1073.052192][T12541] rtnl_newlink+0x2d5f/0x4110 [ 1073.057284][T12541] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1073.063450][T12541] ? rtnl_setlink+0x7f0/0x7f0 [ 1073.068454][T12541] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1073.073934][T12541] ? ref_tracker_free+0x45/0xc10 [ 1073.079186][T12541] ? filter_irq_stacks+0x60/0x1a0 [ 1073.084536][T12541] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1073.090704][T12541] ? filter_irq_stacks+0x164/0x1a0 [ 1073.096144][T12541] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1073.102311][T12541] netlink_rcv_skb+0x371/0x650 [ 1073.107426][T12541] ? rtnetlink_bind+0xf0/0xf0 [ 1073.112454][T12541] ? rtnetlink_net_exit+0x60/0x60 [ 1073.117798][T12541] rtnetlink_rcv+0x34/0x40 [ 1073.122535][T12541] netlink_unicast+0xf47/0x1250 [ 1073.127725][T12541] netlink_sendmsg+0x1238/0x13d0 [ 1073.133017][T12541] ? netlink_getsockopt+0x980/0x980 [ 1073.138541][T12541] ____sys_sendmsg+0x9c2/0xd60 [ 1073.143679][T12541] ___sys_sendmsg+0x28d/0x3c0 [ 1073.148702][T12541] ? __fget_files+0x580/0x640 [ 1073.153698][T12541] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1073.159867][T12541] __x64_sys_sendmsg+0x307/0x490 [ 1073.165162][T12541] do_syscall_64+0x44/0x110 [ 1073.169952][T12541] ? sysvec_apic_timer_interrupt+0x4d/0x90 [ 1073.176093][T12541] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1073.182352][T12541] RIP: 0033:0x7f449387cae9 02:09:35 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xff7f0000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1073.187018][T12541] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1073.207042][T12541] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1073.215797][T12541] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1073.224054][T12541] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1073.232275][T12541] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1073.240505][T12541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1073.248689][T12541] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1073.256904][T12541] [ 1073.270762][T12541] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1073.294385][T12541] bond10000000000 (unregistered): Released all slaves 02:09:35 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000004c0), 0x0, 0x0) ioctl$BLKTRACETEARDOWN(r0, 0x1274, 0x0) 02:09:36 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x20000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:36 executing program 0: syz_emit_ethernet(0x76, &(0x7f0000000080)={@multicast, @random="92703410472e", @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "838524", 0x0, 0x11, 0x0, @private0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}}}}}, 0x0) 02:09:36 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0), 0x0, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:36 executing program 3: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001b00)={0xd, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x6b}]}, &(0x7f0000000140)='syzkaller\x00'}, 0x90) 02:09:36 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00'}) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}, 0x10) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)='X', 0x8030000}], 0x1) recvmmsg(r1, &(0x7f0000003e40)=[{{0x0, 0x0, 0x0}}, {{&(0x7f00000036c0)=@un=@abs, 0x80, &(0x7f0000003780)=[{&(0x7f0000003740)=""/4, 0x4}], 0x1, &(0x7f00000037c0)=""/236, 0xec}}, {{0x0, 0x0, &(0x7f0000003bc0)=[{0x0}, {&(0x7f0000003a00)=""/190, 0xbe}, {&(0x7f0000003ac0)=""/131, 0x83}, {0x0}], 0x4, &(0x7f0000003c00)=""/73, 0x49}}, {{&(0x7f0000003c80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, 0x0, 0x0, &(0x7f0000003e00)=""/48, 0x30}}], 0x4, 0x40000121, 0x0) [ 1074.154784][T12555] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1074.164746][T12555] CPU: 0 PID: 12555 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1074.175138][T12555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1074.185464][T12555] Call Trace: [ 1074.188956][T12555] [ 1074.192099][T12555] dump_stack_lvl+0x1bf/0x240 [ 1074.197182][T12555] dump_stack+0x1e/0x20 [ 1074.201677][T12555] sysfs_create_dir_ns+0x459/0x4c0 [ 1074.207119][T12555] ? device_release+0x2e0/0x2e0 [ 1074.212333][T12555] kobject_add_internal+0xd08/0x16a0 [ 1074.218004][T12555] kobject_add+0x28c/0x3b0 [ 1074.222776][T12555] ? kobject_put+0x1fe/0x330 [ 1074.227699][T12555] device_add+0xaa2/0x1f20 [ 1074.232468][T12555] netdev_register_kobject+0x1ec/0x520 [ 1074.238262][T12555] register_netdevice+0x138a/0x1cd0 [ 1074.243810][T12555] bond_newlink+0x98/0x140 [ 1074.248586][T12555] ? bond_validate+0x270/0x270 [ 1074.253690][T12555] rtnl_newlink+0x2d5f/0x4110 [ 1074.258707][T12555] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1074.265258][T12555] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1074.271360][T12555] ? rtnl_setlink+0x7f0/0x7f0 [ 1074.276309][T12555] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1074.281756][T12555] ? ref_tracker_free+0x45/0xc10 [ 1074.286971][T12555] ? filter_irq_stacks+0x60/0x1a0 [ 1074.292270][T12555] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1074.298388][T12555] ? filter_irq_stacks+0x164/0x1a0 [ 1074.303777][T12555] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1074.309880][T12555] netlink_rcv_skb+0x371/0x650 [ 1074.314931][T12555] ? rtnetlink_bind+0xf0/0xf0 [ 1074.319973][T12555] ? rtnetlink_net_exit+0x60/0x60 [ 1074.325267][T12555] rtnetlink_rcv+0x34/0x40 [ 1074.330117][T12555] netlink_unicast+0xf47/0x1250 [ 1074.335289][T12555] netlink_sendmsg+0x1238/0x13d0 [ 1074.340529][T12555] ? netlink_getsockopt+0x980/0x980 [ 1074.346016][T12555] ____sys_sendmsg+0x9c2/0xd60 [ 1074.351110][T12555] ___sys_sendmsg+0x28d/0x3c0 [ 1074.356075][T12555] ? __fget_files+0x580/0x640 [ 1074.361014][T12555] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1074.367114][T12555] __x64_sys_sendmsg+0x307/0x490 [ 1074.372360][T12555] do_syscall_64+0x44/0x110 [ 1074.377103][T12555] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1074.383306][T12555] RIP: 0033:0x7f449387cae9 [ 1074.387941][T12555] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1074.407845][T12555] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1074.416552][T12555] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1074.424755][T12555] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1074.432953][T12555] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1074.441133][T12555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:09:36 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xffffa888, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1074.449315][T12555] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1074.457541][T12555] [ 1074.470709][T12555] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1074.488050][T12555] bond10000000000 (unregistered): Released all slaves 02:09:37 executing program 0: syz_emit_ethernet(0x76, &(0x7f0000000080)={@multicast, @random="92703410472e", @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "838524", 0x0, 0x11, 0x0, @private0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}}}}}, 0x0) 02:09:37 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000004c0), 0x0, 0x0) ioctl$BLKTRACETEARDOWN(r0, 0x1263, 0x0) [ 1075.064848][T12564] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1075.074564][T12564] CPU: 1 PID: 12564 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1075.084953][T12564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1075.095268][T12564] Call Trace: [ 1075.098745][T12564] [ 1075.101864][T12564] dump_stack_lvl+0x1bf/0x240 [ 1075.106915][T12564] dump_stack+0x1e/0x20 [ 1075.111416][T12564] sysfs_create_dir_ns+0x459/0x4c0 [ 1075.116849][T12564] ? device_release+0x2e0/0x2e0 [ 1075.122035][T12564] kobject_add_internal+0xd08/0x16a0 [ 1075.127689][T12564] kobject_add+0x28c/0x3b0 [ 1075.132463][T12564] ? kobject_put+0x1fe/0x330 [ 1075.137402][T12564] device_add+0xaa2/0x1f20 [ 1075.142155][T12564] netdev_register_kobject+0x1ec/0x520 [ 1075.147996][T12564] register_netdevice+0x138a/0x1cd0 [ 1075.153545][T12564] bond_newlink+0x98/0x140 [ 1075.158323][T12564] ? bond_validate+0x270/0x270 [ 1075.163444][T12564] rtnl_newlink+0x2d5f/0x4110 [ 1075.168513][T12564] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1075.175118][T12564] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1075.181274][T12564] ? rtnl_setlink+0x7f0/0x7f0 [ 1075.186269][T12564] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1075.191725][T12564] ? ref_tracker_free+0x45/0xc10 [ 1075.196982][T12564] ? filter_irq_stacks+0x60/0x1a0 [ 1075.202328][T12564] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1075.208485][T12564] ? filter_irq_stacks+0x164/0x1a0 [ 1075.213923][T12564] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1075.220083][T12564] netlink_rcv_skb+0x371/0x650 [ 1075.225171][T12564] ? rtnetlink_bind+0xf0/0xf0 [ 1075.230153][T12564] ? rtnetlink_net_exit+0x60/0x60 [ 1075.235459][T12564] rtnetlink_rcv+0x34/0x40 [ 1075.240148][T12564] netlink_unicast+0xf47/0x1250 [ 1075.245279][T12564] netlink_sendmsg+0x1238/0x13d0 [ 1075.250514][T12564] ? netlink_getsockopt+0x980/0x980 [ 1075.255989][T12564] ____sys_sendmsg+0x9c2/0xd60 [ 1075.261055][T12564] ___sys_sendmsg+0x28d/0x3c0 [ 1075.266040][T12564] ? __fget_files+0x580/0x640 [ 1075.271017][T12564] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1075.277135][T12564] __x64_sys_sendmsg+0x307/0x490 [ 1075.282501][T12564] do_syscall_64+0x44/0x110 [ 1075.287294][T12564] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1075.293515][T12564] RIP: 0033:0x7f9a85a7cae9 [ 1075.298147][T12564] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1075.318046][T12564] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1075.326747][T12564] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1075.334943][T12564] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1075.343141][T12564] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1075.351356][T12564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1075.359554][T12564] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1075.367800][T12564] [ 1075.378429][T12564] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1075.394498][T12564] bond10000000000 (unregistered): Released all slaves 02:09:37 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x22000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:38 executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz0\x00', 0x1ff) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000400), 0xffffffffffffffff) pipe(&(0x7f0000000b80)) r2 = gettid() process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0xa, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0x1, 0x0) sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)={0x3c, r1, 0x1, 0x12, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_PID={0x8, 0x8b, r2}}]}, 0x3c}}, 0x0) write$cgroup_subtree(0xffffffffffffffff, 0x0, 0x31) 02:09:38 executing program 3: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$RTC_WKALM_SET(r0, 0x4028700f, &(0x7f00000000c0)={0x0, 0x0, {0x0, 0x0, 0x0, 0x7, 0x0, 0xef8f}}) 02:09:38 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xffffff7f, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:38 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0), 0x0, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:38 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x25000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1076.434855][T12586] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1076.445982][T12586] CPU: 0 PID: 12586 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1076.456378][T12586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1076.466652][T12586] Call Trace: [ 1076.470097][T12586] [ 1076.473197][T12586] dump_stack_lvl+0x1bf/0x240 [ 1076.479494][T12586] dump_stack+0x1e/0x20 [ 1076.483935][T12586] sysfs_create_dir_ns+0x459/0x4c0 [ 1076.489312][T12586] ? device_release+0x2e0/0x2e0 [ 1076.494456][T12586] kobject_add_internal+0xd08/0x16a0 [ 1076.500086][T12586] kobject_add+0x28c/0x3b0 [ 1076.504863][T12586] ? kobject_put+0x1fe/0x330 [ 1076.509759][T12586] device_add+0xaa2/0x1f20 [ 1076.514475][T12586] netdev_register_kobject+0x1ec/0x520 [ 1076.520238][T12586] register_netdevice+0x138a/0x1cd0 [ 1076.525759][T12586] bond_newlink+0x98/0x140 [ 1076.530493][T12586] ? bond_validate+0x270/0x270 [ 1076.535566][T12586] rtnl_newlink+0x2d5f/0x4110 [ 1076.540594][T12586] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1076.547303][T12586] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1076.553447][T12586] ? rtnl_setlink+0x7f0/0x7f0 [ 1076.558440][T12586] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1076.563873][T12586] ? ref_tracker_free+0x45/0xc10 [ 1076.569125][T12586] ? filter_irq_stacks+0x60/0x1a0 [ 1076.574475][T12586] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1076.580618][T12586] ? filter_irq_stacks+0x164/0x1a0 [ 1076.586027][T12586] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1076.592148][T12586] netlink_rcv_skb+0x371/0x650 [ 1076.597212][T12586] ? rtnetlink_bind+0xf0/0xf0 [ 1076.602193][T12586] ? rtnetlink_net_exit+0x60/0x60 [ 1076.607487][T12586] rtnetlink_rcv+0x34/0x40 [ 1076.612192][T12586] netlink_unicast+0xf47/0x1250 [ 1076.617341][T12586] netlink_sendmsg+0x1238/0x13d0 [ 1076.622566][T12586] ? netlink_getsockopt+0x980/0x980 [ 1076.628042][T12586] ____sys_sendmsg+0x9c2/0xd60 [ 1076.633098][T12586] ___sys_sendmsg+0x28d/0x3c0 [ 1076.638058][T12586] ? __fget_files+0x580/0x640 [ 1076.642988][T12586] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1076.649092][T12586] __x64_sys_sendmsg+0x307/0x490 [ 1076.654329][T12586] do_syscall_64+0x44/0x110 [ 1076.659096][T12586] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1076.665300][T12586] RIP: 0033:0x7f9a85a7cae9 [ 1076.669922][T12586] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1076.689803][T12586] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1076.698503][T12586] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1076.706740][T12586] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1076.714925][T12586] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1076.723120][T12586] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1076.731299][T12586] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1076.739505][T12586] [ 1076.751930][T12586] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1076.768113][T12586] bond10000000000 (unregistered): Released all slaves 02:09:39 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000004c0), 0x0, 0x0) ioctl$BLKTRACETEARDOWN(r0, 0x125e, 0x0) 02:09:39 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00'}) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}, 0x10) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)='X', 0x8030000}], 0x1) recvmmsg(r1, &(0x7f0000003e40)=[{{0x0, 0x3, 0x0, 0x0, &(0x7f00000035c0)=""/241, 0xf1}}, {{&(0x7f00000036c0)=@un=@abs, 0x80, &(0x7f0000003780)=[{&(0x7f0000003740)=""/4, 0x7ffff}], 0x1, &(0x7f00000037c0)=""/236, 0xec}}, {{0x0, 0x0, &(0x7f0000003bc0)=[{0x0, 0xe00000000000000}, {&(0x7f0000003a00)=""/190, 0xbe}, {&(0x7f0000003ac0)=""/131, 0x83}, {0x0}], 0x4, &(0x7f0000003c00)=""/73, 0x49}}, {{&(0x7f0000003c80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, 0x0, 0x0, &(0x7f0000003e00)=""/48, 0x30}}], 0x4, 0x0, 0x0) [ 1077.164412][T12592] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1077.174029][T12592] CPU: 0 PID: 12592 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1077.184412][T12592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1077.194739][T12592] Call Trace: [ 1077.198217][T12592] [ 1077.201346][T12592] dump_stack_lvl+0x1bf/0x240 [ 1077.206422][T12592] dump_stack+0x1e/0x20 [ 1077.210920][T12592] sysfs_create_dir_ns+0x459/0x4c0 [ 1077.216343][T12592] ? device_release+0x2e0/0x2e0 [ 1077.221514][T12592] kobject_add_internal+0xd08/0x16a0 [ 1077.227154][T12592] kobject_add+0x28c/0x3b0 [ 1077.231916][T12592] ? kobject_put+0x1fe/0x330 [ 1077.236859][T12592] device_add+0xaa2/0x1f20 [ 1077.241649][T12592] netdev_register_kobject+0x1ec/0x520 [ 1077.247439][T12592] register_netdevice+0x138a/0x1cd0 [ 1077.252984][T12592] bond_newlink+0x98/0x140 [ 1077.257738][T12592] ? bond_validate+0x270/0x270 [ 1077.262829][T12592] rtnl_newlink+0x2d5f/0x4110 [ 1077.267879][T12592] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1077.274470][T12592] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1077.280619][T12592] ? rtnl_setlink+0x7f0/0x7f0 [ 1077.285586][T12592] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1077.291047][T12592] ? ref_tracker_free+0x45/0xc10 [ 1077.296297][T12592] ? filter_irq_stacks+0x60/0x1a0 [ 1077.301636][T12592] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1077.307795][T12592] ? filter_irq_stacks+0x164/0x1a0 [ 1077.313696][T12592] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1077.319866][T12592] netlink_rcv_skb+0x371/0x650 [ 1077.324984][T12592] ? rtnetlink_bind+0xf0/0xf0 [ 1077.329989][T12592] ? rtnetlink_net_exit+0x60/0x60 [ 1077.335337][T12592] rtnetlink_rcv+0x34/0x40 [ 1077.340110][T12592] netlink_unicast+0xf47/0x1250 [ 1077.345299][T12592] netlink_sendmsg+0x1238/0x13d0 [ 1077.350587][T12592] ? netlink_getsockopt+0x980/0x980 [ 1077.356110][T12592] ____sys_sendmsg+0x9c2/0xd60 [ 1077.361258][T12592] ___sys_sendmsg+0x28d/0x3c0 [ 1077.366288][T12592] ? __fget_files+0x580/0x640 [ 1077.371294][T12592] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1077.377466][T12592] __x64_sys_sendmsg+0x307/0x490 [ 1077.382779][T12592] do_syscall_64+0x44/0x110 [ 1077.387565][T12592] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1077.393831][T12592] RIP: 0033:0x7f449387cae9 [ 1077.398503][T12592] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1077.418440][T12592] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1077.427193][T12592] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1077.435449][T12592] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1077.443690][T12592] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1077.451924][T12592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1077.460203][T12592] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1077.468482][T12592] [ 1077.487705][T12592] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1077.505159][T12592] bond10000000000 (unregistered): Released all slaves 02:09:40 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xffffff81, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:40 executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r0, 0x891c, &(0x7f0000000000)={'sit0\x00', 0x0}) 02:09:40 executing program 3: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001b00)={0x10, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x88}]}, &(0x7f0000000140)='syzkaller\x00'}, 0x90) [ 1078.176966][T12607] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1078.186524][T12607] CPU: 0 PID: 12607 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1078.196908][T12607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1078.207213][T12607] Call Trace: [ 1078.210656][T12607] [ 1078.213752][T12607] dump_stack_lvl+0x1bf/0x240 [ 1078.218783][T12607] dump_stack+0x1e/0x20 [ 1078.223228][T12607] sysfs_create_dir_ns+0x459/0x4c0 [ 1078.228604][T12607] ? device_release+0x2e0/0x2e0 [ 1078.233734][T12607] kobject_add_internal+0xd08/0x16a0 [ 1078.239367][T12607] kobject_add+0x28c/0x3b0 [ 1078.244098][T12607] ? kobject_put+0x1fe/0x330 [ 1078.249008][T12607] device_add+0xaa2/0x1f20 [ 1078.253701][T12607] netdev_register_kobject+0x1ec/0x520 [ 1078.259442][T12607] register_netdevice+0x138a/0x1cd0 [ 1078.264923][T12607] bond_newlink+0x98/0x140 [ 1078.269632][T12607] ? bond_validate+0x270/0x270 [ 1078.274675][T12607] rtnl_newlink+0x2d5f/0x4110 [ 1078.279778][T12607] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1078.286327][T12607] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1078.292425][T12607] ? rtnl_setlink+0x7f0/0x7f0 [ 1078.297356][T12607] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1078.302752][T12607] ? ref_tracker_free+0x45/0xc10 [ 1078.307961][T12607] ? filter_irq_stacks+0x60/0x1a0 [ 1078.313259][T12607] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1078.319358][T12607] ? filter_irq_stacks+0x164/0x1a0 [ 1078.324744][T12607] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1078.330862][T12607] netlink_rcv_skb+0x371/0x650 [ 1078.335929][T12607] ? rtnetlink_bind+0xf0/0xf0 [ 1078.340900][T12607] ? rtnetlink_net_exit+0x60/0x60 [ 1078.346189][T12607] rtnetlink_rcv+0x34/0x40 [ 1078.350869][T12607] netlink_unicast+0xf47/0x1250 [ 1078.356021][T12607] netlink_sendmsg+0x1238/0x13d0 [ 1078.361274][T12607] ? netlink_getsockopt+0x980/0x980 [ 1078.366765][T12607] ____sys_sendmsg+0x9c2/0xd60 [ 1078.371847][T12607] ___sys_sendmsg+0x28d/0x3c0 [ 1078.376838][T12607] ? __fget_files+0x580/0x640 [ 1078.381779][T12607] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1078.387884][T12607] __x64_sys_sendmsg+0x307/0x490 [ 1078.393131][T12607] do_syscall_64+0x44/0x110 [ 1078.397876][T12607] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1078.404073][T12607] RIP: 0033:0x7f9a85a7cae9 [ 1078.408714][T12607] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1078.428600][T12607] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1078.437287][T12607] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1078.445583][T12607] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1078.453862][T12607] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1078.462048][T12607] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1078.470230][T12607] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1078.478442][T12607] [ 1078.494077][T12607] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1078.512322][T12607] bond10000000000 (unregistered): Released all slaves 02:09:40 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x2f000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:41 executing program 0: r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000200)={'vxcan1\x00', 0x0}) bind$can_j1939(r0, &(0x7f0000000240)={0x1d, r1}, 0x18) bind$can_j1939(r0, &(0x7f0000000080)={0x1d, r1}, 0x18) 02:09:41 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0), 0x0, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:41 executing program 3: r0 = socket$qrtr(0x2a, 0x2, 0x0) sendmsg$qrtr(r0, &(0x7f0000005680)={0x0, 0x0, 0x0, 0x40000, &(0x7f0000002300)=[{0x1010, 0x0, 0x0, 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0x2008}, 0x38) [ 1079.194143][T12616] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1079.203762][T12616] CPU: 0 PID: 12616 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1079.214161][T12616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1079.224469][T12616] Call Trace: [ 1079.227946][T12616] [ 1079.231081][T12616] dump_stack_lvl+0x1bf/0x240 [ 1079.236139][T12616] dump_stack+0x1e/0x20 02:09:41 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000004c0), 0x0, 0x0) ioctl$BLKTRACESTART(r0, 0x1274, 0x0) [ 1079.240645][T12616] sysfs_create_dir_ns+0x459/0x4c0 [ 1079.246098][T12616] ? device_release+0x2e0/0x2e0 [ 1079.251284][T12616] kobject_add_internal+0xd08/0x16a0 [ 1079.256948][T12616] kobject_add+0x28c/0x3b0 [ 1079.261731][T12616] ? kobject_put+0x1fe/0x330 [ 1079.266687][T12616] device_add+0xaa2/0x1f20 [ 1079.271447][T12616] netdev_register_kobject+0x1ec/0x520 [ 1079.277256][T12616] register_netdevice+0x138a/0x1cd0 [ 1079.282796][T12616] bond_newlink+0x98/0x140 [ 1079.287562][T12616] ? bond_validate+0x270/0x270 [ 1079.292677][T12616] rtnl_newlink+0x2d5f/0x4110 [ 1079.297741][T12616] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1079.304362][T12616] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1079.310535][T12616] ? rtnl_setlink+0x7f0/0x7f0 [ 1079.315541][T12616] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1079.321037][T12616] ? ref_tracker_free+0x45/0xc10 [ 1079.326308][T12616] ? filter_irq_stacks+0x60/0x1a0 [ 1079.331669][T12616] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1079.337826][T12616] ? filter_irq_stacks+0x164/0x1a0 [ 1079.343224][T12616] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1079.349326][T12616] netlink_rcv_skb+0x371/0x650 [ 1079.354377][T12616] ? rtnetlink_bind+0xf0/0xf0 [ 1079.359338][T12616] ? rtnetlink_net_exit+0x60/0x60 [ 1079.364655][T12616] rtnetlink_rcv+0x34/0x40 [ 1079.369335][T12616] netlink_unicast+0xf47/0x1250 [ 1079.374486][T12616] netlink_sendmsg+0x1238/0x13d0 [ 1079.379772][T12616] ? netlink_getsockopt+0x980/0x980 [ 1079.385250][T12616] ____sys_sendmsg+0x9c2/0xd60 [ 1079.390316][T12616] ___sys_sendmsg+0x28d/0x3c0 [ 1079.395282][T12616] ? __fget_files+0x580/0x640 [ 1079.400216][T12616] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1079.406319][T12616] __x64_sys_sendmsg+0x307/0x490 [ 1079.411563][T12616] do_syscall_64+0x44/0x110 [ 1079.416310][T12616] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1079.422526][T12616] RIP: 0033:0x7f449387cae9 [ 1079.427156][T12616] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1079.447029][T12616] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1079.455713][T12616] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1079.463919][T12616] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1079.472143][T12616] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1079.480336][T12616] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1079.488521][T12616] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1079.496733][T12616] [ 1079.510644][T12616] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1079.534107][T12616] bond10000000000 (unregistered): Released all slaves 02:09:42 executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r0, 0x894c, 0x0) 02:09:42 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xffffffd9, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:42 executing program 3: r0 = syz_open_dev$vcsa(&(0x7f0000000040), 0x0, 0x0) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r0, 0x5452, &(0x7f0000000080)={'tunl0\x00', 0x0}) 02:09:42 executing program 0: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001b00)={0x10, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x6b}]}, &(0x7f0000000140)='syzkaller\x00'}, 0x90) [ 1080.204856][T12625] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1080.214509][T12625] CPU: 0 PID: 12625 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1080.224898][T12625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1080.235228][T12625] Call Trace: [ 1080.238724][T12625] [ 1080.241859][T12625] dump_stack_lvl+0x1bf/0x240 [ 1080.246921][T12625] dump_stack+0x1e/0x20 [ 1080.251426][T12625] sysfs_create_dir_ns+0x459/0x4c0 [ 1080.256944][T12625] ? device_release+0x2e0/0x2e0 [ 1080.262162][T12625] kobject_add_internal+0xd08/0x16a0 [ 1080.267843][T12625] kobject_add+0x28c/0x3b0 [ 1080.272627][T12625] ? kobject_put+0x1fe/0x330 [ 1080.277564][T12625] device_add+0xaa2/0x1f20 [ 1080.282327][T12625] netdev_register_kobject+0x1ec/0x520 [ 1080.288129][T12625] register_netdevice+0x138a/0x1cd0 [ 1080.293682][T12625] bond_newlink+0x98/0x140 [ 1080.298453][T12625] ? bond_validate+0x270/0x270 [ 1080.303565][T12625] rtnl_newlink+0x2d5f/0x4110 [ 1080.308641][T12625] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1080.315260][T12625] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1080.321428][T12625] ? rtnl_setlink+0x7f0/0x7f0 [ 1080.326424][T12625] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1080.331916][T12625] ? ref_tracker_free+0x45/0xc10 [ 1080.337172][T12625] ? filter_irq_stacks+0x60/0x1a0 [ 1080.342539][T12625] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1080.348718][T12625] ? filter_irq_stacks+0x164/0x1a0 [ 1080.354184][T12625] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1080.360361][T12625] netlink_rcv_skb+0x371/0x650 [ 1080.365481][T12625] ? rtnetlink_bind+0xf0/0xf0 [ 1080.370493][T12625] ? rtnetlink_net_exit+0x60/0x60 [ 1080.375845][T12625] rtnetlink_rcv+0x34/0x40 [ 1080.380595][T12625] netlink_unicast+0xf47/0x1250 [ 1080.385793][T12625] netlink_sendmsg+0x1238/0x13d0 [ 1080.391088][T12625] ? netlink_getsockopt+0x980/0x980 [ 1080.396614][T12625] ____sys_sendmsg+0x9c2/0xd60 [ 1080.401729][T12625] ___sys_sendmsg+0x28d/0x3c0 [ 1080.406741][T12625] ? __fget_files+0x580/0x640 [ 1080.411701][T12625] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1080.417843][T12625] __x64_sys_sendmsg+0x307/0x490 [ 1080.423104][T12625] do_syscall_64+0x44/0x110 [ 1080.427875][T12625] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1080.434133][T12625] RIP: 0033:0x7f9a85a7cae9 [ 1080.438789][T12625] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1080.458703][T12625] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1080.467443][T12625] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1080.475665][T12625] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1080.483862][T12625] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1080.492053][T12625] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:09:42 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{0x0}], 0x1, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:42 executing program 2: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001b00)={0x10, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x3c}]}, &(0x7f0000000140)='syzkaller\x00'}, 0x90) [ 1080.500242][T12625] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1080.508471][T12625] [ 1080.523245][T12625] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1080.539585][T12625] bond10000000000 (unregistered): Released all slaves 02:09:43 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x37120000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:43 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000004c0), 0x0, 0x0) ioctl$BLKTRACETEARDOWN(r0, 0x1265, 0x0) 02:09:43 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000004c0), 0x0, 0x0) ioctl$BLKTRACETEARDOWN(r0, 0x40101287, 0x0) 02:09:43 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000004c0), 0x0, 0x0) ioctl$BLKTRACETEARDOWN(r0, 0x127c, 0x0) 02:09:43 executing program 2: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001b00)={0xd, 0x4, &(0x7f0000000000)=@framed={{}, [@ldst={0x1, 0x0, 0x3}]}, &(0x7f0000000140)='syzkaller\x00'}, 0x90) 02:09:43 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r0, 0x541b, &(0x7f0000000000)={'sit0\x00', 0x0}) [ 1081.527701][T12639] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1081.537669][T12639] CPU: 1 PID: 12639 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1081.548047][T12639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1081.558372][T12639] Call Trace: [ 1081.561830][T12639] [ 1081.564944][T12639] dump_stack_lvl+0x1bf/0x240 [ 1081.569970][T12639] dump_stack+0x1e/0x20 [ 1081.574434][T12639] sysfs_create_dir_ns+0x459/0x4c0 [ 1081.579824][T12639] ? device_release+0x2e0/0x2e0 [ 1081.584956][T12639] kobject_add_internal+0xd08/0x16a0 [ 1081.590565][T12639] kobject_add+0x28c/0x3b0 [ 1081.595314][T12639] ? kobject_put+0x1fe/0x330 [ 1081.600231][T12639] device_add+0xaa2/0x1f20 [ 1081.604948][T12639] netdev_register_kobject+0x1ec/0x520 [ 1081.610689][T12639] register_netdevice+0x138a/0x1cd0 [ 1081.616199][T12639] bond_newlink+0x98/0x140 [ 1081.620974][T12639] ? bond_validate+0x270/0x270 [ 1081.626047][T12639] rtnl_newlink+0x2d5f/0x4110 [ 1081.631073][T12639] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1081.637207][T12639] ? rtnl_setlink+0x7f0/0x7f0 [ 1081.642159][T12639] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1081.647575][T12639] ? ref_tracker_free+0x45/0xc10 [ 1081.652803][T12639] ? filter_irq_stacks+0x60/0x1a0 [ 1081.658162][T12639] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1081.664295][T12639] ? filter_irq_stacks+0x164/0x1a0 [ 1081.669698][T12639] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1081.675817][T12639] netlink_rcv_skb+0x371/0x650 [ 1081.680877][T12639] ? rtnetlink_bind+0xf0/0xf0 [ 1081.685834][T12639] ? rtnetlink_net_exit+0x60/0x60 [ 1081.691129][T12639] rtnetlink_rcv+0x34/0x40 [ 1081.695811][T12639] netlink_unicast+0xf47/0x1250 [ 1081.700939][T12639] netlink_sendmsg+0x1238/0x13d0 [ 1081.706163][T12639] ? netlink_getsockopt+0x980/0x980 [ 1081.711631][T12639] ____sys_sendmsg+0x9c2/0xd60 [ 1081.716729][T12639] ___sys_sendmsg+0x28d/0x3c0 [ 1081.721725][T12639] ? __fget_files+0x580/0x640 [ 1081.726669][T12639] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1081.732786][T12639] __x64_sys_sendmsg+0x307/0x490 [ 1081.738031][T12639] do_syscall_64+0x44/0x110 [ 1081.742789][T12639] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1081.748994][T12639] RIP: 0033:0x7f449387cae9 [ 1081.753620][T12639] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1081.773494][T12639] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1081.782190][T12639] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1081.790403][T12639] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1081.798583][T12639] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1081.806770][T12639] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1081.814954][T12639] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1081.823192][T12639] [ 1081.836981][T12639] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1081.853814][T12639] bond10000000000 (unregistered): Released all slaves 02:09:44 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xffffffea, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:44 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000004c0), 0x0, 0x0) ioctl$BLKTRACETEARDOWN(r0, 0x40081271, 0xf0ff1f00000000) 02:09:44 executing program 0: r0 = socket$qrtr(0x2a, 0x2, 0x0) sendmsg$qrtr(r0, &(0x7f0000005680)={0x0, 0x0, 0x0, 0x0, &(0x7f0000002300)=[{0x1010, 0x0, 0x0, "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"}, {0xd8, 0x0, 0x0, "786381981e7387ed53a4644f67b44844286ee35ebb25c8bc20999f936efe09c3a8e7e1c3daf1968313d95ec9f816bbbb44ac0629c1d43b1fc96be67d31b0843082b407515c85ac7bbb076596f65c2ac26da7dbf896e9feeef59367bfcaed8e0f92aafd30ce123be3768631ebd064290df78ed5c9f3c98a7275d4698fcd8abb9b54ac078f4f9681d38c733b924613e1f7f4e1afb663cef2b714f7fe9d11786b777b0eb839a46f1d978f1804f4d3aa8aa943aecbfe896a0d8f8536fa353df27730b9"}, {0x98, 0x0, 0x0, "0b20098937485da35bb130675e1d9adae2b81c344d48ad17f59412dbb27d458df098826c7e24f5710575dc48503168c87c9db2d7d9cea385e7ef949a8dd406ebc483a564cc1d990830f6fcce2b4ab1e8ea4751293aee21315abb40a81b9fbc35b53b44a402ddc6cbaaaa9b2ab17288094e015086ee3fa937e8b9dbd6f39aef28bb"}, {0x88, 0x0, 0x0, "1ae3670d104ed4bbf2d7864c539242b8082729f1d12aee82528b44fe44c5ccac7c9c11456949409e5dbd18f1a813d421c08fab8db37dd1a5c487dd906ad13ebd88d3edefd7a4e4fa71678cfae8726a16ff17293c7829e20e0d60ff6d8715693a586e702608afa2201fa6eee5381c0871a3"}, {0xe00, 0x0, 0x0, "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"}], 0x5000}, 0x38) 02:09:44 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000004c0), 0x0, 0x0) ioctl$BLKTRACESETUP(r0, 0xc0481273, &(0x7f00000000c0)={'\x00', 0x0, 0x61, 0xc5c3, 0x3dcb1eb4}) [ 1082.303796][T12655] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1082.314114][T12655] CPU: 1 PID: 12655 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1082.324496][T12655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1082.334818][T12655] Call Trace: [ 1082.338297][T12655] [ 1082.341426][T12655] dump_stack_lvl+0x1bf/0x240 [ 1082.346477][T12655] dump_stack+0x1e/0x20 [ 1082.350978][T12655] sysfs_create_dir_ns+0x459/0x4c0 [ 1082.356401][T12655] ? device_release+0x2e0/0x2e0 [ 1082.361582][T12655] kobject_add_internal+0xd08/0x16a0 [ 1082.367239][T12655] kobject_add+0x28c/0x3b0 [ 1082.372014][T12655] ? kobject_put+0x1fe/0x330 [ 1082.376922][T12655] device_add+0xaa2/0x1f20 [ 1082.381616][T12655] netdev_register_kobject+0x1ec/0x520 [ 1082.387447][T12655] register_netdevice+0x138a/0x1cd0 [ 1082.392967][T12655] bond_newlink+0x98/0x140 [ 1082.397693][T12655] ? bond_validate+0x270/0x270 [ 1082.402784][T12655] rtnl_newlink+0x2d5f/0x4110 [ 1082.407818][T12655] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1082.414372][T12655] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1082.420503][T12655] ? rtnl_setlink+0x7f0/0x7f0 [ 1082.425437][T12655] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1082.430844][T12655] ? ref_tracker_free+0x45/0xc10 [ 1082.436063][T12655] ? filter_irq_stacks+0x60/0x1a0 [ 1082.441386][T12655] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1082.447497][T12655] ? filter_irq_stacks+0x164/0x1a0 [ 1082.453245][T12655] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1082.459351][T12655] netlink_rcv_skb+0x371/0x650 [ 1082.464398][T12655] ? rtnetlink_bind+0xf0/0xf0 [ 1082.469354][T12655] ? rtnetlink_net_exit+0x60/0x60 [ 1082.474639][T12655] rtnetlink_rcv+0x34/0x40 [ 1082.479316][T12655] netlink_unicast+0xf47/0x1250 [ 1082.484442][T12655] netlink_sendmsg+0x1238/0x13d0 [ 1082.489680][T12655] ? netlink_getsockopt+0x980/0x980 [ 1082.495149][T12655] ____sys_sendmsg+0x9c2/0xd60 [ 1082.500290][T12655] ___sys_sendmsg+0x28d/0x3c0 [ 1082.505251][T12655] ? __fget_files+0x580/0x640 [ 1082.510182][T12655] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1082.516321][T12655] __x64_sys_sendmsg+0x307/0x490 [ 1082.521616][T12655] do_syscall_64+0x44/0x110 [ 1082.526379][T12655] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1082.532610][T12655] RIP: 0033:0x7f9a85a7cae9 [ 1082.537264][T12655] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1082.557201][T12655] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1082.565897][T12655] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1082.574128][T12655] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1082.582345][T12655] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1082.590575][T12655] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1082.598790][T12655] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1082.607015][T12655] [ 1082.617896][T12655] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1082.633986][T12655] bond10000000000 (unregistered): Released all slaves 02:09:45 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{0x0}], 0x1, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:45 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x3a000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:45 executing program 0: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001b00)={0xd, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x39}]}, &(0x7f0000000140)='syzkaller\x00'}, 0x90) 02:09:45 executing program 2: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000022c0), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'\x00', 0x20}) 02:09:45 executing program 0: r0 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000000), 0x2182, 0x0) write$usbip_server(r0, &(0x7f0000000800)=@ret_submit={{}, 0x0, 0x1, 0x0, 0xfd, 0x0, 0x0, "9a", [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}]}, 0x1001) 02:09:45 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xffffffed, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1083.317156][T12665] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1083.326811][T12665] CPU: 1 PID: 12665 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1083.337202][T12665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1083.347516][T12665] Call Trace: [ 1083.351027][T12665] [ 1083.354172][T12665] dump_stack_lvl+0x1bf/0x240 [ 1083.359225][T12665] dump_stack+0x1e/0x20 [ 1083.363732][T12665] sysfs_create_dir_ns+0x459/0x4c0 [ 1083.369164][T12665] ? device_release+0x2e0/0x2e0 [ 1083.374348][T12665] kobject_add_internal+0xd08/0x16a0 [ 1083.380005][T12665] kobject_add+0x28c/0x3b0 [ 1083.384786][T12665] ? kobject_put+0x1fe/0x330 [ 1083.389714][T12665] device_add+0xaa2/0x1f20 [ 1083.394465][T12665] netdev_register_kobject+0x1ec/0x520 [ 1083.400273][T12665] register_netdevice+0x138a/0x1cd0 [ 1083.405826][T12665] bond_newlink+0x98/0x140 [ 1083.410590][T12665] ? bond_validate+0x270/0x270 [ 1083.415702][T12665] rtnl_newlink+0x2d5f/0x4110 [ 1083.420774][T12665] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1083.427371][T12665] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1083.433530][T12665] ? rtnl_setlink+0x7f0/0x7f0 [ 1083.438523][T12665] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1083.443976][T12665] ? ref_tracker_free+0x45/0xc10 [ 1083.449227][T12665] ? filter_irq_stacks+0x60/0x1a0 [ 1083.454570][T12665] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1083.460712][T12665] ? filter_irq_stacks+0x164/0x1a0 [ 1083.466139][T12665] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1083.472252][T12665] netlink_rcv_skb+0x371/0x650 [ 1083.477329][T12665] ? rtnetlink_bind+0xf0/0xf0 [ 1083.482319][T12665] ? rtnetlink_net_exit+0x60/0x60 [ 1083.487652][T12665] rtnetlink_rcv+0x34/0x40 [ 1083.492342][T12665] netlink_unicast+0xf47/0x1250 [ 1083.497479][T12665] netlink_sendmsg+0x1238/0x13d0 [ 1083.502711][T12665] ? netlink_getsockopt+0x980/0x980 [ 1083.508196][T12665] ____sys_sendmsg+0x9c2/0xd60 [ 1083.513255][T12665] ___sys_sendmsg+0x28d/0x3c0 [ 1083.518218][T12665] ? __fget_files+0x580/0x640 [ 1083.523153][T12665] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1083.529253][T12665] __x64_sys_sendmsg+0x307/0x490 [ 1083.534486][T12665] do_syscall_64+0x44/0x110 [ 1083.539229][T12665] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1083.545446][T12665] RIP: 0033:0x7f449387cae9 [ 1083.550098][T12665] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1083.569995][T12665] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1083.578697][T12665] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1083.586900][T12665] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1083.595091][T12665] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1083.603283][T12665] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1083.611462][T12665] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1083.619707][T12665] [ 1083.633527][T12665] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1083.650222][T12665] bond10000000000 (unregistered): Released all slaves 02:09:46 executing program 2: syz_usb_connect$cdc_ecm(0x1, 0x4d, &(0x7f0000000100)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}}}]}}]}}, 0x0) [ 1083.996068][T12673] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1084.005713][T12673] CPU: 1 PID: 12673 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1084.016104][T12673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1084.026426][T12673] Call Trace: [ 1084.029899][T12673] [ 1084.033019][T12673] dump_stack_lvl+0x1bf/0x240 [ 1084.038074][T12673] dump_stack+0x1e/0x20 02:09:46 executing program 3: r0 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000000), 0x2182, 0x0) write$usbip_server(r0, &(0x7f0000000800)=@ret_submit={{}, 0x0, 0x1, 0x0, 0xfd, 0x0, 0x0, "9a", [{}, {}, {}, {}, {}, {}, {}, {0x0, 0x0, 0x80000000}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}]}, 0x1001) [ 1084.042581][T12673] sysfs_create_dir_ns+0x459/0x4c0 [ 1084.048005][T12673] ? device_release+0x2e0/0x2e0 [ 1084.053192][T12673] kobject_add_internal+0xd08/0x16a0 [ 1084.058838][T12673] kobject_add+0x28c/0x3b0 [ 1084.063608][T12673] ? kobject_put+0x1fe/0x330 [ 1084.068539][T12673] device_add+0xaa2/0x1f20 [ 1084.073301][T12673] netdev_register_kobject+0x1ec/0x520 [ 1084.079114][T12673] register_netdevice+0x138a/0x1cd0 [ 1084.084667][T12673] bond_newlink+0x98/0x140 [ 1084.089467][T12673] ? bond_validate+0x270/0x270 [ 1084.094584][T12673] rtnl_newlink+0x2d5f/0x4110 [ 1084.099672][T12673] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1084.105844][T12673] ? rtnl_setlink+0x7f0/0x7f0 [ 1084.110830][T12673] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1084.116379][T12673] ? ref_tracker_free+0x45/0xc10 [ 1084.121642][T12673] ? filter_irq_stacks+0x60/0x1a0 [ 1084.127003][T12673] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1084.133174][T12673] ? filter_irq_stacks+0x164/0x1a0 [ 1084.138607][T12673] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1084.144760][T12673] netlink_rcv_skb+0x371/0x650 [ 1084.149861][T12673] ? rtnetlink_bind+0xf0/0xf0 [ 1084.154870][T12673] ? rtnetlink_net_exit+0x60/0x60 [ 1084.160207][T12673] rtnetlink_rcv+0x34/0x40 [ 1084.164933][T12673] netlink_unicast+0xf47/0x1250 [ 1084.170136][T12673] netlink_sendmsg+0x1238/0x13d0 [ 1084.175423][T12673] ? netlink_getsockopt+0x980/0x980 [ 1084.180958][T12673] ____sys_sendmsg+0x9c2/0xd60 [ 1084.186134][T12673] ___sys_sendmsg+0x28d/0x3c0 [ 1084.191170][T12673] ? __fget_files+0x580/0x640 [ 1084.196164][T12673] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1084.202338][T12673] __x64_sys_sendmsg+0x307/0x490 [ 1084.207633][T12673] do_syscall_64+0x44/0x110 [ 1084.212429][T12673] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1084.218685][T12673] RIP: 0033:0x7f9a85a7cae9 [ 1084.223350][T12673] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 02:09:46 executing program 0: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f00000000c0), 0x2000, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r1, 0xc0189375, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0}, './file0\x00'}) [ 1084.243279][T12673] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1084.252022][T12673] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1084.260266][T12673] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1084.268498][T12673] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1084.276741][T12673] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1084.284976][T12673] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1084.293234][T12673] [ 1084.302621][T12673] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1084.333175][T12673] bond10000000000 (unregistered): Released all slaves 02:09:46 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x3f000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:47 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{0x0}], 0x1, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:47 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xfffffff0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1084.848483][T12682] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1084.858141][T12682] CPU: 0 PID: 12682 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1084.868537][T12682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1084.878856][T12682] Call Trace: [ 1084.882336][T12682] [ 1084.885473][T12682] dump_stack_lvl+0x1bf/0x240 [ 1084.890539][T12682] dump_stack+0x1e/0x20 [ 1084.895042][T12682] sysfs_create_dir_ns+0x459/0x4c0 [ 1084.900473][T12682] ? device_release+0x2e0/0x2e0 [ 1084.905658][T12682] kobject_add_internal+0xd08/0x16a0 [ 1084.911442][T12682] kobject_add+0x28c/0x3b0 [ 1084.916238][T12682] ? kobject_put+0x1fe/0x330 [ 1084.921174][T12682] device_add+0xaa2/0x1f20 [ 1084.925921][T12682] netdev_register_kobject+0x1ec/0x520 [ 1084.931711][T12682] register_netdevice+0x138a/0x1cd0 [ 1084.937252][T12682] bond_newlink+0x98/0x140 [ 1084.942016][T12682] ? bond_validate+0x270/0x270 [ 1084.947143][T12682] rtnl_newlink+0x2d5f/0x4110 [ 1084.952218][T12682] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1084.958825][T12682] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1084.964993][T12682] ? rtnl_setlink+0x7f0/0x7f0 [ 1084.969986][ T5090] usb 3-1: new low-speed USB device number 30 using dummy_hcd [ 1084.969968][T12682] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1084.970170][T12682] ? ref_tracker_free+0x45/0xc10 [ 1084.988004][T12682] ? filter_irq_stacks+0x60/0x1a0 [ 1084.993357][T12682] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1084.999517][T12682] ? filter_irq_stacks+0x164/0x1a0 [ 1085.004973][T12682] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1085.011151][T12682] netlink_rcv_skb+0x371/0x650 [ 1085.016289][T12682] ? rtnetlink_bind+0xf0/0xf0 [ 1085.021297][T12682] ? rtnetlink_net_exit+0x60/0x60 [ 1085.026640][T12682] rtnetlink_rcv+0x34/0x40 [ 1085.031388][T12682] netlink_unicast+0xf47/0x1250 [ 1085.036571][T12682] netlink_sendmsg+0x1238/0x13d0 [ 1085.041834][T12682] ? netlink_getsockopt+0x980/0x980 [ 1085.047349][T12682] ____sys_sendmsg+0x9c2/0xd60 [ 1085.052472][T12682] ___sys_sendmsg+0x28d/0x3c0 [ 1085.057494][T12682] ? __fget_files+0x580/0x640 [ 1085.062494][T12682] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1085.068666][T12682] __x64_sys_sendmsg+0x307/0x490 [ 1085.073966][T12682] do_syscall_64+0x44/0x110 [ 1085.078764][T12682] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1085.085026][T12682] RIP: 0033:0x7f449387cae9 [ 1085.089707][T12682] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1085.109606][T12682] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1085.118302][T12682] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1085.126496][T12682] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1085.134695][T12682] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1085.142893][T12682] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1085.151093][T12682] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1085.159332][T12682] [ 1085.172478][T12682] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1085.188644][T12682] bond10000000000 (unregistered): Released all slaves 02:09:47 executing program 3: openat$thread_pidfd(0xffffffffffffff9c, &(0x7f00000002c0), 0x740c0, 0x0) 02:09:47 executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) recvmsg(r0, &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000480)=""/234, 0xea}, 0x0) [ 1085.343250][ T5090] usb 3-1: device descriptor read/64, error -71 [ 1085.584272][T12687] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1085.593996][T12687] CPU: 1 PID: 12687 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1085.604378][T12687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1085.614711][T12687] Call Trace: [ 1085.618193][T12687] [ 1085.621324][T12687] dump_stack_lvl+0x1bf/0x240 [ 1085.626485][T12687] dump_stack+0x1e/0x20 02:09:48 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$inet_group_source_req(r0, 0x0, 0x54, 0x0, 0x0) [ 1085.630997][T12687] sysfs_create_dir_ns+0x459/0x4c0 [ 1085.636439][T12687] ? device_release+0x2e0/0x2e0 [ 1085.641643][T12687] kobject_add_internal+0xd08/0x16a0 [ 1085.647306][T12687] kobject_add+0x28c/0x3b0 [ 1085.652092][T12687] ? kobject_put+0x1fe/0x330 [ 1085.657030][T12687] device_add+0xaa2/0x1f20 [ 1085.661780][T12687] netdev_register_kobject+0x1ec/0x520 [ 1085.667590][T12687] register_netdevice+0x138a/0x1cd0 [ 1085.673143][T12687] bond_newlink+0x98/0x140 [ 1085.677915][T12687] ? bond_validate+0x270/0x270 [ 1085.683018][T12687] rtnl_newlink+0x2d5f/0x4110 [ 1085.688078][T12687] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1085.694687][T12687] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1085.700850][T12687] ? rtnl_setlink+0x7f0/0x7f0 [ 1085.705826][T12687] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1085.711253][T12687] ? ref_tracker_free+0x45/0xc10 [ 1085.716524][T12687] ? filter_irq_stacks+0x60/0x1a0 [ 1085.721827][T12687] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1085.727940][T12687] ? filter_irq_stacks+0x164/0x1a0 [ 1085.733337][T12687] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1085.739445][T12687] netlink_rcv_skb+0x371/0x650 [ 1085.744505][T12687] ? rtnetlink_bind+0xf0/0xf0 [ 1085.749466][T12687] ? rtnetlink_net_exit+0x60/0x60 [ 1085.754758][T12687] rtnetlink_rcv+0x34/0x40 [ 1085.759473][T12687] netlink_unicast+0xf47/0x1250 [ 1085.764605][T12687] netlink_sendmsg+0x1238/0x13d0 [ 1085.769837][T12687] ? netlink_getsockopt+0x980/0x980 [ 1085.775309][T12687] ____sys_sendmsg+0x9c2/0xd60 [ 1085.780375][T12687] ___sys_sendmsg+0x28d/0x3c0 [ 1085.785355][T12687] ? __fget_files+0x580/0x640 [ 1085.790300][T12687] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1085.796410][T12687] __x64_sys_sendmsg+0x307/0x490 [ 1085.801655][T12687] do_syscall_64+0x44/0x110 [ 1085.806404][T12687] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1085.812640][T12687] RIP: 0033:0x7f9a85a7cae9 [ 1085.817288][T12687] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1085.837175][T12687] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1085.845867][T12687] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1085.854064][T12687] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1085.862248][T12687] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1085.870431][T12687] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1085.878619][T12687] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1085.886835][T12687] [ 1085.899356][T12687] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1085.926612][T12687] bond10000000000 (unregistered): Released all slaves 02:09:48 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x48000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1086.033539][ T5090] usb 3-1: new low-speed USB device number 31 using dummy_hcd [ 1086.330535][T12699] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1086.340191][T12699] CPU: 1 PID: 12699 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1086.350585][T12699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1086.360916][T12699] Call Trace: [ 1086.364397][T12699] [ 1086.367532][T12699] dump_stack_lvl+0x1bf/0x240 [ 1086.372581][T12699] dump_stack+0x1e/0x20 02:09:48 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xfffffff3, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1086.377080][T12699] sysfs_create_dir_ns+0x459/0x4c0 [ 1086.382503][T12699] ? device_release+0x2e0/0x2e0 [ 1086.387680][T12699] kobject_add_internal+0xd08/0x16a0 [ 1086.393339][T12699] kobject_add+0x28c/0x3b0 [ 1086.398106][T12699] ? kobject_put+0x1fe/0x330 [ 1086.403033][T12699] device_add+0xaa2/0x1f20 [ 1086.407791][T12699] netdev_register_kobject+0x1ec/0x520 [ 1086.413594][T12699] register_netdevice+0x138a/0x1cd0 [ 1086.419143][T12699] bond_newlink+0x98/0x140 [ 1086.423912][T12699] ? bond_validate+0x270/0x270 [ 1086.429012][T12699] rtnl_newlink+0x2d5f/0x4110 [ 1086.434077][T12699] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1086.440679][T12699] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1086.446835][T12699] ? rtnl_setlink+0x7f0/0x7f0 [ 1086.451815][T12699] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1086.457272][T12699] ? ref_tracker_free+0x45/0xc10 [ 1086.462530][T12699] ? filter_irq_stacks+0x60/0x1a0 [ 1086.467888][T12699] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1086.474056][T12699] ? filter_irq_stacks+0x164/0x1a0 [ 1086.479466][T12699] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1086.485580][T12699] netlink_rcv_skb+0x371/0x650 [ 1086.490638][T12699] ? rtnetlink_bind+0xf0/0xf0 [ 1086.495595][T12699] ? rtnetlink_net_exit+0x60/0x60 [ 1086.500970][T12699] rtnetlink_rcv+0x34/0x40 [ 1086.505663][T12699] netlink_unicast+0xf47/0x1250 [ 1086.510820][T12699] netlink_sendmsg+0x1238/0x13d0 [ 1086.516073][T12699] ? netlink_getsockopt+0x980/0x980 [ 1086.521556][T12699] ____sys_sendmsg+0x9c2/0xd60 [ 1086.526639][T12699] ___sys_sendmsg+0x28d/0x3c0 [ 1086.531636][T12699] ? __fget_files+0x580/0x640 [ 1086.536612][T12699] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1086.542745][T12699] __x64_sys_sendmsg+0x307/0x490 [ 1086.548063][T12699] do_syscall_64+0x44/0x110 [ 1086.552857][T12699] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1086.559102][T12699] RIP: 0033:0x7f449387cae9 [ 1086.563736][T12699] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1086.583647][T12699] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1086.592350][T12699] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1086.600545][T12699] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1086.608722][T12699] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1086.616913][T12699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1086.625091][T12699] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1086.633315][T12699] [ 1086.642565][T12699] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1086.659965][T12699] bond10000000000 (unregistered): Released all slaves 02:09:49 executing program 3: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) connect(r0, &(0x7f0000000000)=@in={0x10, 0x2}, 0x10) [ 1086.786772][ T5090] usb 3-1: device descriptor read/64, error -71 [ 1086.963835][ T5090] usb usb3-port1: attempt power cycle [ 1087.000235][T12704] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1087.009812][T12704] CPU: 0 PID: 12704 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1087.020210][T12704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1087.030531][T12704] Call Trace: [ 1087.034029][T12704] [ 1087.037166][T12704] dump_stack_lvl+0x1bf/0x240 [ 1087.042219][T12704] dump_stack+0x1e/0x20 [ 1087.046720][T12704] sysfs_create_dir_ns+0x459/0x4c0 [ 1087.052165][T12704] ? device_release+0x2e0/0x2e0 [ 1087.057437][T12704] kobject_add_internal+0xd08/0x16a0 [ 1087.063088][T12704] kobject_add+0x28c/0x3b0 [ 1087.067860][T12704] ? kobject_put+0x1fe/0x330 [ 1087.072778][T12704] device_add+0xaa2/0x1f20 [ 1087.077527][T12704] netdev_register_kobject+0x1ec/0x520 [ 1087.083337][T12704] register_netdevice+0x138a/0x1cd0 [ 1087.088885][T12704] bond_newlink+0x98/0x140 [ 1087.093744][T12704] ? bond_validate+0x270/0x270 [ 1087.098836][T12704] rtnl_newlink+0x2d5f/0x4110 [ 1087.103857][T12704] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1087.110403][T12704] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1087.116505][T12704] ? rtnl_setlink+0x7f0/0x7f0 [ 1087.121440][T12704] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1087.126842][T12704] ? ref_tracker_free+0x45/0xc10 [ 1087.132040][T12704] ? filter_irq_stacks+0x60/0x1a0 [ 1087.137329][T12704] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1087.143449][T12704] ? filter_irq_stacks+0x164/0x1a0 [ 1087.148863][T12704] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1087.154973][T12704] netlink_rcv_skb+0x371/0x650 [ 1087.160019][T12704] ? rtnetlink_bind+0xf0/0xf0 [ 1087.164973][T12704] ? rtnetlink_net_exit+0x60/0x60 [ 1087.170259][T12704] rtnetlink_rcv+0x34/0x40 [ 1087.174941][T12704] netlink_unicast+0xf47/0x1250 [ 1087.180069][T12704] netlink_sendmsg+0x1238/0x13d0 [ 1087.185290][T12704] ? netlink_getsockopt+0x980/0x980 [ 1087.190753][T12704] ____sys_sendmsg+0x9c2/0xd60 [ 1087.195812][T12704] ___sys_sendmsg+0x28d/0x3c0 [ 1087.200770][T12704] ? __fget_files+0x580/0x640 [ 1087.205699][T12704] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1087.211803][T12704] __x64_sys_sendmsg+0x307/0x490 [ 1087.217039][T12704] do_syscall_64+0x44/0x110 [ 1087.221776][T12704] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1087.227974][T12704] RIP: 0033:0x7f9a85a7cae9 [ 1087.232604][T12704] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1087.252491][T12704] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1087.261186][T12704] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1087.269398][T12704] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1087.277583][T12704] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1087.285767][T12704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1087.293946][T12704] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1087.302152][T12704] [ 1087.316669][T12704] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1087.333065][T12704] bond10000000000 (unregistered): Released all slaves 02:09:49 executing program 2: getresgid(0x0, 0x0, &(0x7f0000000180)) 02:09:49 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:49 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x4c000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:49 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r0, &(0x7f0000000000)={0x10, 0x2}, 0x10) 02:09:49 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$sock_int(r0, 0xffff, 0x1004, &(0x7f0000000040)=0x6, 0x4) 02:09:50 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0xffffffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:50 executing program 2: getsockopt$inet_tcp_buf(0xffffffffffffffff, 0x6, 0x0, &(0x7f0000001740)=""/255, 0x0) 02:09:50 executing program 3: pipe2(&(0x7f0000000b80), 0x0) pipe2(0x0, 0x0) [ 1087.984381][T12718] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1087.998070][T12718] CPU: 1 PID: 12718 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1088.008485][T12718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1088.018802][T12718] Call Trace: [ 1088.022284][T12718] [ 1088.025394][T12718] dump_stack_lvl+0x1bf/0x240 [ 1088.030387][T12718] dump_stack+0x1e/0x20 [ 1088.034829][T12718] sysfs_create_dir_ns+0x459/0x4c0 [ 1088.040210][T12718] ? device_release+0x2e0/0x2e0 [ 1088.045331][T12718] kobject_add_internal+0xd08/0x16a0 [ 1088.050926][T12718] kobject_add+0x28c/0x3b0 [ 1088.055663][T12718] ? kobject_put+0x1fe/0x330 [ 1088.060542][T12718] device_add+0xaa2/0x1f20 [ 1088.065295][T12718] netdev_register_kobject+0x1ec/0x520 [ 1088.071075][T12718] register_netdevice+0x138a/0x1cd0 [ 1088.076602][T12718] bond_newlink+0x98/0x140 [ 1088.081312][T12718] ? bond_validate+0x270/0x270 [ 1088.086358][T12718] rtnl_newlink+0x2d5f/0x4110 [ 1088.091362][T12718] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1088.097910][T12718] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1088.104016][T12718] ? rtnl_setlink+0x7f0/0x7f0 [ 1088.108952][T12718] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1088.114357][T12718] ? ref_tracker_free+0x45/0xc10 [ 1088.119549][T12718] ? filter_irq_stacks+0x60/0x1a0 [ 1088.124856][T12718] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1088.130963][T12718] ? filter_irq_stacks+0x164/0x1a0 [ 1088.136379][T12718] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1088.142485][T12718] netlink_rcv_skb+0x371/0x650 [ 1088.147535][T12718] ? rtnetlink_bind+0xf0/0xf0 [ 1088.152487][T12718] ? rtnetlink_net_exit+0x60/0x60 [ 1088.157790][T12718] rtnetlink_rcv+0x34/0x40 [ 1088.162461][T12718] netlink_unicast+0xf47/0x1250 [ 1088.167606][T12718] netlink_sendmsg+0x1238/0x13d0 [ 1088.172879][T12718] ? netlink_getsockopt+0x980/0x980 [ 1088.178378][T12718] ____sys_sendmsg+0x9c2/0xd60 [ 1088.183450][T12718] ___sys_sendmsg+0x28d/0x3c0 [ 1088.188415][T12718] ? __fget_files+0x580/0x640 [ 1088.193355][T12718] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1088.199461][T12718] __x64_sys_sendmsg+0x307/0x490 [ 1088.204697][T12718] do_syscall_64+0x44/0x110 [ 1088.209438][T12718] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1088.215640][T12718] RIP: 0033:0x7f449387cae9 [ 1088.220288][T12718] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1088.240180][T12718] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1088.248864][T12718] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1088.257068][T12718] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1088.265260][T12718] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1088.273461][T12718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:09:50 executing program 0: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) recvmsg(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)=[{0x0}], 0x1}, 0xc3) [ 1088.281664][T12718] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1088.289875][T12718] [ 1088.294191][T12718] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1088.318732][T12718] bond10000000000 (unregistered): Released all slaves 02:09:50 executing program 2: r0 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r0, &(0x7f0000000080)={0x10, 0x2}, 0x10) r1 = socket$inet6_sctp(0x1c, 0x1, 0x84) r2 = dup2(r0, r1) connect$inet(r0, &(0x7f00000000c0)={0x10, 0x2}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x105, &(0x7f0000000140)={0x1, [0x0]}, &(0x7f0000000100)=0x8) 02:09:51 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:51 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$sock_int(r0, 0x8800, 0x0, 0x0, 0x0) 02:09:51 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:51 executing program 3: r0 = socket$inet_sctp(0x2, 0x5, 0x84) sendmsg$inet_sctp(r0, &(0x7f0000000780)={&(0x7f0000000340)=@in6={0x1c, 0x1c, 0x1}, 0x1c, 0x0}, 0x0) [ 1088.755930][T12719] workqueue: Failed to create a rescuer kthread for wq "bond10000000000": -EINTR [ 1089.615472][T12742] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1089.636136][T12742] CPU: 0 PID: 12742 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1089.646513][T12742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1089.656792][T12742] Call Trace: [ 1089.660235][T12742] [ 1089.663340][T12742] dump_stack_lvl+0x1bf/0x240 [ 1089.668423][T12742] dump_stack+0x1e/0x20 [ 1089.672866][T12742] sysfs_create_dir_ns+0x459/0x4c0 [ 1089.678245][T12742] ? device_release+0x2e0/0x2e0 [ 1089.683378][T12742] kobject_add_internal+0xd08/0x16a0 [ 1089.688993][T12742] kobject_add+0x28c/0x3b0 [ 1089.693727][T12742] ? kobject_put+0x1fe/0x330 [ 1089.698622][T12742] device_add+0xaa2/0x1f20 [ 1089.703341][T12742] netdev_register_kobject+0x1ec/0x520 [ 1089.709124][T12742] register_netdevice+0x138a/0x1cd0 [ 1089.714626][T12742] bond_newlink+0x98/0x140 [ 1089.719342][T12742] ? bond_validate+0x270/0x270 [ 1089.724395][T12742] rtnl_newlink+0x2d5f/0x4110 [ 1089.729394][T12742] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1089.735942][T12742] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1089.742063][T12742] ? rtnl_setlink+0x7f0/0x7f0 [ 1089.747001][T12742] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1089.752410][T12742] ? ref_tracker_free+0x45/0xc10 [ 1089.757615][T12742] ? filter_irq_stacks+0x60/0x1a0 [ 1089.762908][T12742] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1089.769011][T12742] ? filter_irq_stacks+0x164/0x1a0 [ 1089.774441][T12742] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1089.780558][T12742] netlink_rcv_skb+0x371/0x650 [ 1089.785610][T12742] ? rtnetlink_bind+0xf0/0xf0 [ 1089.790555][T12742] ? rtnetlink_net_exit+0x60/0x60 [ 1089.795849][T12742] rtnetlink_rcv+0x34/0x40 [ 1089.800532][T12742] netlink_unicast+0xf47/0x1250 [ 1089.805691][T12742] netlink_sendmsg+0x1238/0x13d0 [ 1089.810998][T12742] ? netlink_getsockopt+0x980/0x980 [ 1089.816537][T12742] ____sys_sendmsg+0x9c2/0xd60 [ 1089.821611][T12742] ___sys_sendmsg+0x28d/0x3c0 [ 1089.826580][T12742] ? __fget_files+0x580/0x640 [ 1089.831517][T12742] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1089.837634][T12742] __x64_sys_sendmsg+0x307/0x490 [ 1089.842875][T12742] do_syscall_64+0x44/0x110 [ 1089.847629][T12742] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1089.853833][T12742] RIP: 0033:0x7f9a85a7cae9 [ 1089.858456][T12742] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1089.878338][T12742] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1089.887022][T12742] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1089.895224][T12742] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1089.903405][T12742] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1089.911598][T12742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1089.919784][T12742] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1089.927993][T12742] [ 1089.945225][T12742] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1089.962932][T12742] bond10000000000 (unregistered): Released all slaves 02:09:52 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x59000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:52 executing program 2: readlinkat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0, 0x0) 02:09:52 executing program 3: mlock(&(0x7f0000ffc000/0x2000)=nil, 0x2000) madvise(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x9) 02:09:52 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:52 executing program 0: mlock(&(0x7f0000ffa000/0x4000)=nil, 0x4000) pipe2(&(0x7f0000000b80), 0x0) 02:09:52 executing program 3: getresgid(&(0x7f0000000100), &(0x7f0000000140), 0x0) 02:09:52 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x2, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:52 executing program 2: munmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) mlock(&(0x7f0000ffa000/0x2000)=nil, 0x2000) munmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000) [ 1090.540797][T12754] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1090.550512][T12754] CPU: 1 PID: 12754 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1090.560900][T12754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1090.571217][T12754] Call Trace: [ 1090.574672][T12754] [ 1090.577781][T12754] dump_stack_lvl+0x1bf/0x240 [ 1090.582796][T12754] dump_stack+0x1e/0x20 [ 1090.587290][T12754] sysfs_create_dir_ns+0x459/0x4c0 [ 1090.592706][T12754] ? device_release+0x2e0/0x2e0 [ 1090.597866][T12754] kobject_add_internal+0xd08/0x16a0 [ 1090.603478][T12754] kobject_add+0x28c/0x3b0 [ 1090.608203][T12754] ? kobject_put+0x1fe/0x330 [ 1090.613085][T12754] device_add+0xaa2/0x1f20 [ 1090.617784][T12754] netdev_register_kobject+0x1ec/0x520 [ 1090.623544][T12754] register_netdevice+0x138a/0x1cd0 [ 1090.629075][T12754] bond_newlink+0x98/0x140 [ 1090.633820][T12754] ? bond_validate+0x270/0x270 [ 1090.638875][T12754] rtnl_newlink+0x2d5f/0x4110 [ 1090.643892][T12754] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1090.650434][T12754] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1090.656533][T12754] ? rtnl_setlink+0x7f0/0x7f0 [ 1090.661464][T12754] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1090.666889][T12754] ? ref_tracker_free+0x45/0xc10 [ 1090.672105][T12754] ? filter_irq_stacks+0x60/0x1a0 [ 1090.677419][T12754] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1090.683540][T12754] ? filter_irq_stacks+0x164/0x1a0 [ 1090.688936][T12754] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1090.695044][T12754] netlink_rcv_skb+0x371/0x650 [ 1090.700094][T12754] ? rtnetlink_bind+0xf0/0xf0 [ 1090.705043][T12754] ? rtnetlink_net_exit+0x60/0x60 [ 1090.710324][T12754] rtnetlink_rcv+0x34/0x40 [ 1090.715000][T12754] netlink_unicast+0xf47/0x1250 [ 1090.720127][T12754] netlink_sendmsg+0x1238/0x13d0 [ 1090.725358][T12754] ? netlink_getsockopt+0x980/0x980 [ 1090.730839][T12754] ____sys_sendmsg+0x9c2/0xd60 [ 1090.735961][T12754] ___sys_sendmsg+0x28d/0x3c0 [ 1090.741048][T12754] ? __fget_files+0x580/0x640 [ 1090.746007][T12754] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1090.752130][T12754] __x64_sys_sendmsg+0x307/0x490 [ 1090.757380][T12754] do_syscall_64+0x44/0x110 [ 1090.762128][T12754] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1090.768331][T12754] RIP: 0033:0x7f449387cae9 [ 1090.772977][T12754] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1090.792893][T12754] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1090.801595][T12754] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1090.809790][T12754] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1090.817988][T12754] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1090.826171][T12754] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1090.834374][T12754] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1090.842614][T12754] [ 1090.847373][T12754] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1090.868979][T12754] bond10000000000 (unregistered): Released all slaves 02:09:53 executing program 0: symlinkat(&(0x7f0000000000)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xffffffffffffff9c, &(0x7f0000000140)='./file0\x00') 02:09:53 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x60000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:53 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) [ 1091.419218][T12764] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1091.429225][T12764] CPU: 0 PID: 12764 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1091.439606][T12764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1091.449918][T12764] Call Trace: [ 1091.453390][T12764] [ 1091.456512][T12764] dump_stack_lvl+0x1bf/0x240 [ 1091.461552][T12764] dump_stack+0x1e/0x20 [ 1091.466051][T12764] sysfs_create_dir_ns+0x459/0x4c0 [ 1091.471462][T12764] ? device_release+0x2e0/0x2e0 [ 1091.476596][T12764] kobject_add_internal+0xd08/0x16a0 [ 1091.482202][T12764] kobject_add+0x28c/0x3b0 [ 1091.486933][T12764] ? kobject_put+0x1fe/0x330 [ 1091.491817][T12764] device_add+0xaa2/0x1f20 [ 1091.496517][T12764] netdev_register_kobject+0x1ec/0x520 [ 1091.502301][T12764] register_netdevice+0x138a/0x1cd0 [ 1091.507808][T12764] bond_newlink+0x98/0x140 [ 1091.512609][T12764] ? bond_validate+0x270/0x270 [ 1091.517681][T12764] rtnl_newlink+0x2d5f/0x4110 [ 1091.522684][T12764] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1091.529229][T12764] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1091.535337][T12764] ? rtnl_setlink+0x7f0/0x7f0 [ 1091.540277][T12764] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1091.545716][T12764] ? ref_tracker_free+0x45/0xc10 [ 1091.550951][T12764] ? filter_irq_stacks+0x60/0x1a0 [ 1091.556251][T12764] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1091.563924][T12764] ? filter_irq_stacks+0x164/0x1a0 [ 1091.569330][T12764] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1091.575443][T12764] netlink_rcv_skb+0x371/0x650 [ 1091.580493][T12764] ? rtnetlink_bind+0xf0/0xf0 [ 1091.585442][T12764] ? rtnetlink_net_exit+0x60/0x60 [ 1091.590734][T12764] rtnetlink_rcv+0x34/0x40 [ 1091.595444][T12764] netlink_unicast+0xf47/0x1250 [ 1091.600575][T12764] netlink_sendmsg+0x1238/0x13d0 [ 1091.605797][T12764] ? netlink_getsockopt+0x980/0x980 [ 1091.611262][T12764] ____sys_sendmsg+0x9c2/0xd60 [ 1091.616323][T12764] ___sys_sendmsg+0x28d/0x3c0 [ 1091.621290][T12764] ? __fget_files+0x580/0x640 [ 1091.626232][T12764] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1091.632335][T12764] __x64_sys_sendmsg+0x307/0x490 [ 1091.637577][T12764] do_syscall_64+0x44/0x110 [ 1091.642326][T12764] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1091.648539][T12764] RIP: 0033:0x7f9a85a7cae9 [ 1091.653199][T12764] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1091.673090][T12764] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1091.681787][T12764] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1091.689991][T12764] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1091.698175][T12764] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1091.706530][T12764] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:09:54 executing program 3: recvmsg(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) pipe2(&(0x7f0000000b80), 0x0) munmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000) 02:09:54 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r0, &(0x7f00000004c0)="8407dc83975082c9a2d022e78e9be1bf1dd94c257873667a5b0f7eee6e916dbb93ef9b5530ed9d618884e7a2ef8e21c1d4d5c8afe7f8977db872ad11f3fa2457e245c32b2e5d5afbbb368339bc0edcdb757aa30556", 0x55, 0x0, &(0x7f0000000580)={0x10, 0x2}, 0x10) [ 1091.714712][T12764] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1091.722921][T12764] [ 1091.737294][T12764] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1091.760984][T12764] bond10000000000 (unregistered): Released all slaves 02:09:54 executing program 0: r0 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r0, &(0x7f0000000040)={0x10, 0x2}, 0x10) r1 = socket$inet6_sctp(0x1c, 0x5, 0x84) r2 = dup2(r0, r1) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0xa, &(0x7f00000001c0), 0x98) [ 1092.136312][T12771] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1092.145895][T12771] CPU: 0 PID: 12771 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1092.156294][T12771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1092.166621][T12771] Call Trace: [ 1092.170099][T12771] [ 1092.173229][T12771] dump_stack_lvl+0x1bf/0x240 [ 1092.178286][T12771] dump_stack+0x1e/0x20 [ 1092.182811][T12771] sysfs_create_dir_ns+0x459/0x4c0 [ 1092.188260][T12771] ? device_release+0x2e0/0x2e0 [ 1092.193517][T12771] kobject_add_internal+0xd08/0x16a0 [ 1092.199182][T12771] kobject_add+0x28c/0x3b0 [ 1092.203967][T12771] ? kobject_put+0x1fe/0x330 [ 1092.208921][T12771] device_add+0xaa2/0x1f20 [ 1092.213663][T12771] netdev_register_kobject+0x1ec/0x520 [ 1092.219463][T12771] register_netdevice+0x138a/0x1cd0 [ 1092.225009][T12771] bond_newlink+0x98/0x140 [ 1092.229775][T12771] ? bond_validate+0x270/0x270 [ 1092.234881][T12771] rtnl_newlink+0x2d5f/0x4110 [ 1092.239944][T12771] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1092.246541][T12771] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1092.252713][T12771] ? rtnl_setlink+0x7f0/0x7f0 [ 1092.257717][T12771] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1092.263175][T12771] ? ref_tracker_free+0x45/0xc10 [ 1092.268423][T12771] ? filter_irq_stacks+0x60/0x1a0 [ 1092.273724][T12771] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1092.279820][T12771] ? filter_irq_stacks+0x164/0x1a0 [ 1092.285200][T12771] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1092.291298][T12771] netlink_rcv_skb+0x371/0x650 [ 1092.296357][T12771] ? rtnetlink_bind+0xf0/0xf0 [ 1092.301478][T12771] ? rtnetlink_net_exit+0x60/0x60 [ 1092.306763][T12771] rtnetlink_rcv+0x34/0x40 [ 1092.311463][T12771] netlink_unicast+0xf47/0x1250 [ 1092.316638][T12771] netlink_sendmsg+0x1238/0x13d0 [ 1092.321924][T12771] ? netlink_getsockopt+0x980/0x980 [ 1092.327406][T12771] ____sys_sendmsg+0x9c2/0xd60 [ 1092.332487][T12771] ___sys_sendmsg+0x28d/0x3c0 [ 1092.337459][T12771] ? __fget_files+0x580/0x640 [ 1092.342421][T12771] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1092.348526][T12771] __x64_sys_sendmsg+0x307/0x490 [ 1092.353764][T12771] do_syscall_64+0x44/0x110 [ 1092.358506][T12771] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1092.364716][T12771] RIP: 0033:0x7f449387cae9 [ 1092.369370][T12771] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1092.389260][T12771] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1092.397956][T12771] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1092.406155][T12771] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1092.414342][T12771] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1092.422521][T12771] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:09:54 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x3, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1092.430698][T12771] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1092.438926][T12771] [ 1092.453452][T12771] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1092.476670][T12771] bond10000000000 (unregistered): Released all slaves 02:09:55 executing program 2: r0 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r0, &(0x7f0000000080)={0x10, 0x2}, 0x10) r1 = socket$inet6_sctp(0x1c, 0x1, 0x84) r2 = dup2(r0, r1) sendmsg$inet_sctp(r2, &(0x7f0000000500)={&(0x7f0000000180)=@in={0x10, 0x2}, 0x10, 0x0, 0x0, &(0x7f0000000540)=[@dstaddrv6={0x1c, 0x84, 0xa, @mcast2}], 0x1c}, 0x0) [ 1092.734556][T12784] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1092.744549][T12784] CPU: 0 PID: 12784 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1092.754944][T12784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1092.765268][T12784] Call Trace: [ 1092.768767][T12784] [ 1092.771901][T12784] dump_stack_lvl+0x1bf/0x240 [ 1092.776976][T12784] dump_stack+0x1e/0x20 [ 1092.781515][T12784] sysfs_create_dir_ns+0x459/0x4c0 [ 1092.786950][T12784] ? device_release+0x2e0/0x2e0 [ 1092.792130][T12784] kobject_add_internal+0xd08/0x16a0 [ 1092.797790][T12784] kobject_add+0x28c/0x3b0 [ 1092.802576][T12784] ? kobject_put+0x1fe/0x330 [ 1092.807503][T12784] device_add+0xaa2/0x1f20 [ 1092.812250][T12784] netdev_register_kobject+0x1ec/0x520 [ 1092.818047][T12784] register_netdevice+0x138a/0x1cd0 [ 1092.823608][T12784] bond_newlink+0x98/0x140 [ 1092.828368][T12784] ? bond_validate+0x270/0x270 02:09:55 executing program 3: fchownat(0xffffffffffffff9c, 0x0, 0xffffffffffffffff, 0x0, 0x400) [ 1092.833454][T12784] rtnl_newlink+0x2d5f/0x4110 [ 1092.838517][T12784] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1092.844682][T12784] ? rtnl_setlink+0x7f0/0x7f0 [ 1092.849665][T12784] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1092.855119][T12784] ? ref_tracker_free+0x45/0xc10 [ 1092.860364][T12784] ? filter_irq_stacks+0x60/0x1a0 [ 1092.865688][T12784] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1092.871817][T12784] ? filter_irq_stacks+0x164/0x1a0 [ 1092.877265][T12784] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 02:09:55 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) [ 1092.883431][T12784] netlink_rcv_skb+0x371/0x650 [ 1092.888620][T12784] ? rtnetlink_bind+0xf0/0xf0 [ 1092.893628][T12784] ? rtnetlink_net_exit+0x60/0x60 [ 1092.898986][T12784] rtnetlink_rcv+0x34/0x40 [ 1092.903710][T12784] netlink_unicast+0xf47/0x1250 [ 1092.908888][T12784] netlink_sendmsg+0x1238/0x13d0 [ 1092.914192][T12784] ? netlink_getsockopt+0x980/0x980 [ 1092.919716][T12784] ____sys_sendmsg+0x9c2/0xd60 [ 1092.924827][T12784] ___sys_sendmsg+0x28d/0x3c0 [ 1092.929803][T12784] ? __fget_files+0x580/0x640 [ 1092.934741][T12784] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1092.940850][T12784] __x64_sys_sendmsg+0x307/0x490 [ 1092.946082][T12784] do_syscall_64+0x44/0x110 [ 1092.950886][T12784] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1092.957098][T12784] RIP: 0033:0x7f9a85a7cae9 [ 1092.961735][T12784] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1092.981634][T12784] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1092.990383][T12784] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1092.998612][T12784] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1093.006807][T12784] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1093.014996][T12784] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1093.023179][T12784] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1093.031410][T12784] [ 1093.045936][T12784] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1093.063437][T12784] bond10000000000 (unregistered): Released all slaves 02:09:55 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x60110000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:55 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x4, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1093.516395][T12794] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1093.526065][T12794] CPU: 0 PID: 12794 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1093.536489][T12794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1093.546822][T12794] Call Trace: [ 1093.550305][T12794] [ 1093.553439][T12794] dump_stack_lvl+0x1bf/0x240 [ 1093.558500][T12794] dump_stack+0x1e/0x20 [ 1093.563008][T12794] sysfs_create_dir_ns+0x459/0x4c0 [ 1093.568529][T12794] ? device_release+0x2e0/0x2e0 [ 1093.573729][T12794] kobject_add_internal+0xd08/0x16a0 [ 1093.579388][T12794] kobject_add+0x28c/0x3b0 [ 1093.584165][T12794] ? kobject_put+0x1fe/0x330 [ 1093.589107][T12794] device_add+0xaa2/0x1f20 [ 1093.593836][T12794] netdev_register_kobject+0x1ec/0x520 [ 1093.599610][T12794] register_netdevice+0x138a/0x1cd0 [ 1093.605112][T12794] bond_newlink+0x98/0x140 [ 1093.609911][T12794] ? bond_validate+0x270/0x270 [ 1093.614964][T12794] rtnl_newlink+0x2d5f/0x4110 [ 1093.619967][T12794] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1093.626506][T12794] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1093.632606][T12794] ? rtnl_setlink+0x7f0/0x7f0 [ 1093.637556][T12794] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1093.642983][T12794] ? ref_tracker_free+0x45/0xc10 [ 1093.648209][T12794] ? filter_irq_stacks+0x60/0x1a0 [ 1093.653536][T12794] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1093.659677][T12794] ? filter_irq_stacks+0x164/0x1a0 [ 1093.665081][T12794] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1093.671219][T12794] netlink_rcv_skb+0x371/0x650 [ 1093.676304][T12794] ? rtnetlink_bind+0xf0/0xf0 [ 1093.681279][T12794] ? rtnetlink_net_exit+0x60/0x60 [ 1093.686582][T12794] rtnetlink_rcv+0x34/0x40 [ 1093.691298][T12794] netlink_unicast+0xf47/0x1250 [ 1093.696496][T12794] netlink_sendmsg+0x1238/0x13d0 [ 1093.701770][T12794] ? netlink_getsockopt+0x980/0x980 [ 1093.707240][T12794] ____sys_sendmsg+0x9c2/0xd60 [ 1093.712318][T12794] ___sys_sendmsg+0x28d/0x3c0 [ 1093.717281][T12794] ? __fget_files+0x580/0x640 [ 1093.722221][T12794] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1093.728322][T12794] __x64_sys_sendmsg+0x307/0x490 [ 1093.733563][T12794] do_syscall_64+0x44/0x110 [ 1093.738312][T12794] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1093.744524][T12794] RIP: 0033:0x7f449387cae9 [ 1093.749152][T12794] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1093.769058][T12794] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1093.777760][T12794] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1093.785957][T12794] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1093.794142][T12794] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1093.802349][T12794] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1093.810551][T12794] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1093.818786][T12794] [ 1093.832020][T12794] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1093.848278][T12794] bond10000000000 (unregistered): Released all slaves 02:09:55 executing program 0: r0 = socket(0x1c, 0x3, 0x0) getsockopt$sock_timeval(r0, 0xffff, 0x1005, 0x0, &(0x7f00000000c0)) 02:09:56 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$inet_int(r0, 0x0, 0x1b, &(0x7f0000000000), 0x4) [ 1094.151068][T12798] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1094.160751][T12798] CPU: 1 PID: 12798 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1094.171141][T12798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1094.181459][T12798] Call Trace: [ 1094.184938][T12798] [ 1094.188063][T12798] dump_stack_lvl+0x1bf/0x240 [ 1094.193103][T12798] dump_stack+0x1e/0x20 [ 1094.197602][T12798] sysfs_create_dir_ns+0x459/0x4c0 [ 1094.203034][T12798] ? device_release+0x2e0/0x2e0 [ 1094.208197][T12798] kobject_add_internal+0xd08/0x16a0 [ 1094.213850][T12798] kobject_add+0x28c/0x3b0 [ 1094.218618][T12798] ? kobject_put+0x1fe/0x330 [ 1094.223550][T12798] device_add+0xaa2/0x1f20 [ 1094.228307][T12798] netdev_register_kobject+0x1ec/0x520 [ 1094.234105][T12798] register_netdevice+0x138a/0x1cd0 [ 1094.239657][T12798] bond_newlink+0x98/0x140 [ 1094.244419][T12798] ? bond_validate+0x270/0x270 [ 1094.249517][T12798] rtnl_newlink+0x2d5f/0x4110 [ 1094.254584][T12798] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1094.261196][T12798] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1094.267353][T12798] ? rtnl_setlink+0x7f0/0x7f0 [ 1094.272343][T12798] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1094.277805][T12798] ? ref_tracker_free+0x45/0xc10 [ 1094.283057][T12798] ? filter_irq_stacks+0x60/0x1a0 [ 1094.288399][T12798] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1094.294568][T12798] ? filter_irq_stacks+0x164/0x1a0 [ 1094.299976][T12798] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1094.306084][T12798] netlink_rcv_skb+0x371/0x650 [ 1094.311156][T12798] ? rtnetlink_bind+0xf0/0xf0 [ 1094.316152][T12798] ? rtnetlink_net_exit+0x60/0x60 [ 1094.321459][T12798] rtnetlink_rcv+0x34/0x40 [ 1094.326145][T12798] netlink_unicast+0xf47/0x1250 [ 1094.331284][T12798] netlink_sendmsg+0x1238/0x13d0 [ 1094.336513][T12798] ? netlink_getsockopt+0x980/0x980 [ 1094.341982][T12798] ____sys_sendmsg+0x9c2/0xd60 [ 1094.347042][T12798] ___sys_sendmsg+0x28d/0x3c0 [ 1094.352008][T12798] ? __fget_files+0x580/0x640 [ 1094.356977][T12798] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1094.363126][T12798] __x64_sys_sendmsg+0x307/0x490 [ 1094.368395][T12798] do_syscall_64+0x44/0x110 [ 1094.373156][T12798] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1094.379371][T12798] RIP: 0033:0x7f9a85a7cae9 [ 1094.384001][T12798] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1094.403881][T12798] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1094.412590][T12798] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1094.420897][T12798] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1094.429088][T12798] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1094.437279][T12798] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1094.445461][T12798] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1094.453682][T12798] [ 1094.467846][T12798] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1094.486042][T12798] bond10000000000 (unregistered): Released all slaves 02:09:56 executing program 3: open$dir(&(0x7f0000000040)='.\x00', 0x0, 0x0) 02:09:56 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x65580000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:56 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) [ 1094.742138][ T1213] ieee802154 phy0 wpan0: encryption failed: -22 [ 1094.749659][ T1213] ieee802154 phy1 wpan1: encryption failed: -22 02:09:57 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x5, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:57 executing program 0: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) recvmsg(r0, &(0x7f00000022c0)={0x0, 0x0, 0x0}, 0x80) 02:09:57 executing program 3: openat$ptmx(0xffffff9c, &(0x7f0000000040), 0x180, 0x0) [ 1095.124416][T12812] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1095.141590][T12812] CPU: 0 PID: 12812 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1095.151985][T12812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1095.162312][T12812] Call Trace: [ 1095.165801][T12812] [ 1095.168935][T12812] dump_stack_lvl+0x1bf/0x240 [ 1095.173994][T12812] dump_stack+0x1e/0x20 [ 1095.178499][T12812] sysfs_create_dir_ns+0x459/0x4c0 [ 1095.183930][T12812] ? device_release+0x2e0/0x2e0 [ 1095.189129][T12812] kobject_add_internal+0xd08/0x16a0 [ 1095.194790][T12812] kobject_add+0x28c/0x3b0 [ 1095.199562][T12812] ? kobject_put+0x1fe/0x330 [ 1095.204476][T12812] device_add+0xaa2/0x1f20 [ 1095.209219][T12812] netdev_register_kobject+0x1ec/0x520 [ 1095.215007][T12812] register_netdevice+0x138a/0x1cd0 [ 1095.220559][T12812] bond_newlink+0x98/0x140 [ 1095.225340][T12812] ? bond_validate+0x270/0x270 [ 1095.230454][T12812] rtnl_newlink+0x2d5f/0x4110 [ 1095.235546][T12812] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1095.242138][T12812] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1095.248253][T12812] ? rtnl_setlink+0x7f0/0x7f0 [ 1095.253196][T12812] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1095.258598][T12812] ? ref_tracker_free+0x45/0xc10 [ 1095.263791][T12812] ? filter_irq_stacks+0x60/0x1a0 [ 1095.269092][T12812] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1095.275199][T12812] ? filter_irq_stacks+0x164/0x1a0 [ 1095.280604][T12812] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1095.286707][T12812] netlink_rcv_skb+0x371/0x650 [ 1095.291747][T12812] ? rtnetlink_bind+0xf0/0xf0 [ 1095.296695][T12812] ? rtnetlink_net_exit+0x60/0x60 [ 1095.301986][T12812] rtnetlink_rcv+0x34/0x40 [ 1095.306658][T12812] netlink_unicast+0xf47/0x1250 [ 1095.311788][T12812] netlink_sendmsg+0x1238/0x13d0 [ 1095.317045][T12812] ? netlink_getsockopt+0x980/0x980 [ 1095.322542][T12812] ____sys_sendmsg+0x9c2/0xd60 [ 1095.327625][T12812] ___sys_sendmsg+0x28d/0x3c0 [ 1095.332599][T12812] ? __fget_files+0x580/0x640 [ 1095.337571][T12812] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1095.343730][T12812] __x64_sys_sendmsg+0x307/0x490 [ 1095.349004][T12812] do_syscall_64+0x44/0x110 [ 1095.353745][T12812] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1095.359953][T12812] RIP: 0033:0x7f449387cae9 [ 1095.364584][T12812] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1095.384469][T12812] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1095.393160][T12812] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1095.401372][T12812] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1095.409557][T12812] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1095.417743][T12812] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1095.425925][T12812] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1095.434140][T12812] [ 1095.438248][T12812] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1095.463977][T12812] bond10000000000 (unregistered): Released all slaves [ 1095.620346][T12823] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1095.630794][T12823] CPU: 0 PID: 12823 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1095.641182][T12823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1095.651495][T12823] Call Trace: [ 1095.654984][T12823] [ 1095.658113][T12823] dump_stack_lvl+0x1bf/0x240 [ 1095.663182][T12823] dump_stack+0x1e/0x20 [ 1095.667677][T12823] sysfs_create_dir_ns+0x459/0x4c0 [ 1095.673105][T12823] ? device_release+0x2e0/0x2e0 [ 1095.678294][T12823] kobject_add_internal+0xd08/0x16a0 [ 1095.683947][T12823] kobject_add+0x28c/0x3b0 [ 1095.688730][T12823] ? kobject_put+0x1fe/0x330 [ 1095.693660][T12823] device_add+0xaa2/0x1f20 [ 1095.698416][T12823] netdev_register_kobject+0x1ec/0x520 [ 1095.704209][T12823] register_netdevice+0x138a/0x1cd0 [ 1095.709783][T12823] bond_newlink+0x98/0x140 [ 1095.714559][T12823] ? bond_validate+0x270/0x270 [ 1095.719669][T12823] rtnl_newlink+0x2d5f/0x4110 [ 1095.724725][T12823] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1095.731277][T12823] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1095.737404][T12823] ? rtnl_setlink+0x7f0/0x7f0 [ 1095.742342][T12823] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1095.747764][T12823] ? ref_tracker_free+0x45/0xc10 [ 1095.753004][T12823] ? filter_irq_stacks+0x60/0x1a0 [ 1095.758311][T12823] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1095.764416][T12823] ? filter_irq_stacks+0x164/0x1a0 [ 1095.769805][T12823] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1095.775918][T12823] netlink_rcv_skb+0x371/0x650 [ 1095.780975][T12823] ? rtnetlink_bind+0xf0/0xf0 [ 1095.785922][T12823] ? rtnetlink_net_exit+0x60/0x60 [ 1095.791209][T12823] rtnetlink_rcv+0x34/0x40 [ 1095.795887][T12823] netlink_unicast+0xf47/0x1250 [ 1095.801021][T12823] netlink_sendmsg+0x1238/0x13d0 [ 1095.806242][T12823] ? netlink_getsockopt+0x980/0x980 [ 1095.811705][T12823] ____sys_sendmsg+0x9c2/0xd60 [ 1095.816758][T12823] ___sys_sendmsg+0x28d/0x3c0 [ 1095.821755][T12823] ? __fget_files+0x580/0x640 [ 1095.826692][T12823] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1095.832809][T12823] __x64_sys_sendmsg+0x307/0x490 [ 1095.838062][T12823] do_syscall_64+0x44/0x110 [ 1095.842808][T12823] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1095.849033][T12823] RIP: 0033:0x7f9a85a7cae9 [ 1095.853686][T12823] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1095.873568][T12823] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1095.882258][T12823] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1095.890542][T12823] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1095.898725][T12823] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1095.906911][T12823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:09:58 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$inet_group_source_req(r0, 0x0, 0x52, 0x0, 0x0) [ 1095.915097][T12823] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1095.923655][T12823] [ 1095.936853][T12823] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1095.959992][T12823] bond10000000000 (unregistered): Released all slaves 02:09:58 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x68000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:09:58 executing program 3: r0 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_buf(r0, 0x0, 0x0, 0x0, 0x0) 02:09:58 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) [ 1096.438710][T12833] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1096.448232][T12833] CPU: 1 PID: 12833 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1096.458628][T12833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1096.468961][T12833] Call Trace: [ 1096.472460][T12833] [ 1096.475598][T12833] dump_stack_lvl+0x1bf/0x240 [ 1096.480670][T12833] dump_stack+0x1e/0x20 [ 1096.485188][T12833] sysfs_create_dir_ns+0x459/0x4c0 [ 1096.490618][T12833] ? device_release+0x2e0/0x2e0 [ 1096.495801][T12833] kobject_add_internal+0xd08/0x16a0 [ 1096.501461][T12833] kobject_add+0x28c/0x3b0 [ 1096.506221][T12833] ? kobject_put+0x1fe/0x330 [ 1096.511142][T12833] device_add+0xaa2/0x1f20 [ 1096.515882][T12833] netdev_register_kobject+0x1ec/0x520 [ 1096.521685][T12833] register_netdevice+0x138a/0x1cd0 [ 1096.527238][T12833] bond_newlink+0x98/0x140 [ 1096.532007][T12833] ? bond_validate+0x270/0x270 [ 1096.537128][T12833] rtnl_newlink+0x2d5f/0x4110 [ 1096.542204][T12833] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1096.548819][T12833] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1096.554993][T12833] ? rtnl_setlink+0x7f0/0x7f0 [ 1096.560508][T12833] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1096.566051][T12833] ? ref_tracker_free+0x45/0xc10 [ 1096.571303][T12833] ? filter_irq_stacks+0x60/0x1a0 [ 1096.576650][T12833] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1096.582808][T12833] ? filter_irq_stacks+0x164/0x1a0 [ 1096.588252][T12833] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1096.594431][T12833] netlink_rcv_skb+0x371/0x650 [ 1096.599528][T12833] ? rtnetlink_bind+0xf0/0xf0 [ 1096.604529][T12833] ? rtnetlink_net_exit+0x60/0x60 [ 1096.609873][T12833] rtnetlink_rcv+0x34/0x40 [ 1096.614617][T12833] netlink_unicast+0xf47/0x1250 [ 1096.619790][T12833] netlink_sendmsg+0x1238/0x13d0 [ 1096.625072][T12833] ? netlink_getsockopt+0x980/0x980 [ 1096.630588][T12833] ____sys_sendmsg+0x9c2/0xd60 [ 1096.635713][T12833] ___sys_sendmsg+0x28d/0x3c0 [ 1096.640726][T12833] ? __fget_files+0x580/0x640 [ 1096.645699][T12833] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1096.651841][T12833] __x64_sys_sendmsg+0x307/0x490 [ 1096.657142][T12833] do_syscall_64+0x44/0x110 [ 1096.661911][T12833] ? sysvec_apic_timer_interrupt+0x4d/0x90 [ 1096.668047][T12833] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1096.674321][T12833] RIP: 0033:0x7f449387cae9 [ 1096.678999][T12833] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1096.698930][T12833] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1096.707673][T12833] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1096.715919][T12833] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1096.724160][T12833] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1096.732374][T12833] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1096.740562][T12833] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1096.748780][T12833] [ 1096.761832][T12833] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1096.783761][T12833] bond10000000000 (unregistered): Released all slaves 02:09:59 executing program 3: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) r1 = dup(r0) setsockopt$inet_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x2, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x80000000}, 0x14) 02:09:59 executing program 2: r0 = openat$ptmx(0xffffff9c, &(0x7f00000001c0), 0x0, 0x0) fdatasync(r0) 02:09:59 executing program 0: getresgid(0x0, &(0x7f0000000140), 0x0) 02:09:59 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x6, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:09:59 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:09:59 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x6c000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1097.373767][T12849] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1097.388481][T12849] CPU: 1 PID: 12849 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1097.398882][T12849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1097.409206][T12849] Call Trace: [ 1097.412691][T12849] [ 1097.415820][T12849] dump_stack_lvl+0x1bf/0x240 [ 1097.420856][T12849] dump_stack+0x1e/0x20 [ 1097.425372][T12849] sysfs_create_dir_ns+0x459/0x4c0 [ 1097.430808][T12849] ? device_release+0x2e0/0x2e0 [ 1097.435986][T12849] kobject_add_internal+0xd08/0x16a0 [ 1097.441629][T12849] kobject_add+0x28c/0x3b0 [ 1097.446405][T12849] ? kobject_put+0x1fe/0x330 [ 1097.451331][T12849] device_add+0xaa2/0x1f20 [ 1097.456079][T12849] netdev_register_kobject+0x1ec/0x520 [ 1097.461870][T12849] register_netdevice+0x138a/0x1cd0 [ 1097.467415][T12849] bond_newlink+0x98/0x140 [ 1097.472187][T12849] ? bond_validate+0x270/0x270 [ 1097.477335][T12849] rtnl_newlink+0x2d5f/0x4110 [ 1097.482383][T12849] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1097.488944][T12849] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1097.495086][T12849] ? rtnl_setlink+0x7f0/0x7f0 [ 1097.500026][T12849] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1097.505487][T12849] ? ref_tracker_free+0x45/0xc10 [ 1097.510685][T12849] ? filter_irq_stacks+0x60/0x1a0 [ 1097.515982][T12849] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1097.522085][T12849] ? filter_irq_stacks+0x164/0x1a0 [ 1097.527473][T12849] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1097.533578][T12849] netlink_rcv_skb+0x371/0x650 [ 1097.538623][T12849] ? rtnetlink_bind+0xf0/0xf0 [ 1097.543584][T12849] ? rtnetlink_net_exit+0x60/0x60 [ 1097.548891][T12849] rtnetlink_rcv+0x34/0x40 [ 1097.553566][T12849] netlink_unicast+0xf47/0x1250 [ 1097.558721][T12849] netlink_sendmsg+0x1238/0x13d0 [ 1097.563977][T12849] ? netlink_getsockopt+0x980/0x980 [ 1097.569467][T12849] ____sys_sendmsg+0x9c2/0xd60 [ 1097.574527][T12849] ___sys_sendmsg+0x28d/0x3c0 [ 1097.579486][T12849] ? __fget_files+0x580/0x640 [ 1097.584424][T12849] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1097.590555][T12849] __x64_sys_sendmsg+0x307/0x490 [ 1097.595827][T12849] do_syscall_64+0x44/0x110 [ 1097.600579][T12849] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1097.606788][T12849] RIP: 0033:0x7f9a85a7cae9 [ 1097.611523][T12849] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1097.631439][T12849] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1097.640132][T12849] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1097.648332][T12849] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1097.656513][T12849] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1097.664704][T12849] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1097.672914][T12849] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1097.681141][T12849] [ 1097.685062][T12849] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1097.708234][T12849] bond10000000000 (unregistered): Released all slaves 02:10:00 executing program 2: pipe2(&(0x7f0000000b80), 0x0) pipe2(&(0x7f0000002100), 0x0) 02:10:00 executing program 3: mlock(&(0x7f0000ffa000/0x2000)=nil, 0x2000) munmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000) 02:10:00 executing program 0: shmctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000001c00)={{0x0, 0xffffffffffffffff}}) [ 1098.184109][T12857] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1098.194371][T12857] CPU: 0 PID: 12857 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1098.204769][T12857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1098.215104][T12857] Call Trace: [ 1098.218591][T12857] [ 1098.221729][T12857] dump_stack_lvl+0x1bf/0x240 [ 1098.226779][T12857] dump_stack+0x1e/0x20 [ 1098.231285][T12857] sysfs_create_dir_ns+0x459/0x4c0 [ 1098.236719][T12857] ? device_release+0x2e0/0x2e0 [ 1098.241908][T12857] kobject_add_internal+0xd08/0x16a0 [ 1098.247576][T12857] kobject_add+0x28c/0x3b0 [ 1098.252350][T12857] ? kobject_put+0x1fe/0x330 [ 1098.257276][T12857] device_add+0xaa2/0x1f20 [ 1098.262046][T12857] netdev_register_kobject+0x1ec/0x520 [ 1098.267857][T12857] register_netdevice+0x138a/0x1cd0 [ 1098.273408][T12857] bond_newlink+0x98/0x140 [ 1098.278176][T12857] ? bond_validate+0x270/0x270 [ 1098.283274][T12857] rtnl_newlink+0x2d5f/0x4110 [ 1098.288340][T12857] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1098.294951][T12857] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1098.301124][T12857] ? rtnl_setlink+0x7f0/0x7f0 [ 1098.306114][T12857] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1098.311578][T12857] ? ref_tracker_free+0x45/0xc10 [ 1098.316830][T12857] ? filter_irq_stacks+0x60/0x1a0 [ 1098.322186][T12857] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1098.328369][T12857] ? filter_irq_stacks+0x164/0x1a0 [ 1098.333832][T12857] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1098.340012][T12857] netlink_rcv_skb+0x371/0x650 [ 1098.345120][T12857] ? rtnetlink_bind+0xf0/0xf0 [ 1098.350126][T12857] ? rtnetlink_net_exit+0x60/0x60 [ 1098.355467][T12857] rtnetlink_rcv+0x34/0x40 [ 1098.360214][T12857] netlink_unicast+0xf47/0x1250 [ 1098.365396][T12857] netlink_sendmsg+0x1238/0x13d0 [ 1098.370687][T12857] ? netlink_getsockopt+0x980/0x980 [ 1098.376226][T12857] ____sys_sendmsg+0x9c2/0xd60 [ 1098.381350][T12857] ___sys_sendmsg+0x28d/0x3c0 [ 1098.386366][T12857] ? __fget_files+0x580/0x640 [ 1098.391367][T12857] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1098.397545][T12857] __x64_sys_sendmsg+0x307/0x490 [ 1098.402848][T12857] do_syscall_64+0x44/0x110 [ 1098.407644][T12857] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1098.413931][T12857] RIP: 0033:0x7f449387cae9 02:10:00 executing program 0: openat(0xffffffffffffff9c, 0x0, 0x8200, 0x0) [ 1098.418601][T12857] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1098.438538][T12857] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1098.447323][T12857] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1098.455764][T12857] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1098.463999][T12857] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1098.472244][T12857] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:10:00 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x7, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1098.480470][T12857] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1098.488687][T12857] [ 1098.509579][T12857] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1098.533307][T12857] bond10000000000 (unregistered): Released all slaves 02:10:01 executing program 2: lchown(0x0, 0x0, 0xffffffffffffffff) 02:10:01 executing program 3: pipe2(&(0x7f0000000b80), 0x0) mlock(&(0x7f0000ffc000/0x1000)=nil, 0x1000) [ 1098.896456][T12868] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1098.907067][T12868] CPU: 1 PID: 12868 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1098.917460][T12868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1098.927774][T12868] Call Trace: [ 1098.931258][T12868] [ 1098.934389][T12868] dump_stack_lvl+0x1bf/0x240 [ 1098.939442][T12868] dump_stack+0x1e/0x20 [ 1098.943950][T12868] sysfs_create_dir_ns+0x459/0x4c0 [ 1098.949387][T12868] ? device_release+0x2e0/0x2e0 [ 1098.954614][T12868] kobject_add_internal+0xd08/0x16a0 [ 1098.960277][T12868] kobject_add+0x28c/0x3b0 [ 1098.965048][T12868] ? kobject_put+0x1fe/0x330 [ 1098.969975][T12868] device_add+0xaa2/0x1f20 [ 1098.974751][T12868] netdev_register_kobject+0x1ec/0x520 [ 1098.980562][T12868] register_netdevice+0x138a/0x1cd0 [ 1098.986120][T12868] bond_newlink+0x98/0x140 [ 1098.990886][T12868] ? bond_validate+0x270/0x270 [ 1098.995987][T12868] rtnl_newlink+0x2d5f/0x4110 [ 1099.001106][T12868] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1099.007277][T12868] ? rtnl_setlink+0x7f0/0x7f0 [ 1099.012264][T12868] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1099.017738][T12868] ? ref_tracker_free+0x45/0xc10 [ 1099.023022][T12868] ? filter_irq_stacks+0x60/0x1a0 [ 1099.028405][T12868] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1099.034571][T12868] ? filter_irq_stacks+0x164/0x1a0 [ 1099.040020][T12868] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1099.046182][T12868] netlink_rcv_skb+0x371/0x650 [ 1099.051283][T12868] ? rtnetlink_bind+0xf0/0xf0 [ 1099.056346][T12868] ? rtnetlink_net_exit+0x60/0x60 [ 1099.061666][T12868] rtnetlink_rcv+0x34/0x40 [ 1099.066351][T12868] netlink_unicast+0xf47/0x1250 [ 1099.071483][T12868] netlink_sendmsg+0x1238/0x13d0 [ 1099.076710][T12868] ? netlink_getsockopt+0x980/0x980 [ 1099.082176][T12868] ____sys_sendmsg+0x9c2/0xd60 [ 1099.087251][T12868] ___sys_sendmsg+0x28d/0x3c0 [ 1099.092216][T12868] ? __fget_files+0x580/0x640 [ 1099.097155][T12868] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1099.103267][T12868] __x64_sys_sendmsg+0x307/0x490 [ 1099.108505][T12868] do_syscall_64+0x44/0x110 [ 1099.113258][T12868] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1099.119486][T12868] RIP: 0033:0x7f9a85a7cae9 [ 1099.124130][T12868] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1099.144045][T12868] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1099.152739][T12868] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1099.160960][T12868] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1099.169143][T12868] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1099.177325][T12868] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1099.185503][T12868] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1099.193725][T12868] [ 1099.203331][T12868] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1099.219248][T12868] bond10000000000 (unregistered): Released all slaves 02:10:01 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:10:01 executing program 2: munmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) mlock(&(0x7f0000ffd000/0x2000)=nil, 0x2000) 02:10:01 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) sendto$inet(r0, &(0x7f0000000040)="ea1ae849bd2f05a815127342d78b8d5e928050a6a14096e51b943527e62d4e3245bc19a3", 0x24, 0x0, &(0x7f0000000080)={0x10, 0x2}, 0x10) 02:10:01 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x74000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:02 executing program 0: r0 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0x101, &(0x7f00000000c0), &(0x7f0000000180)=0x98) 02:10:02 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x8, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:02 executing program 2: pipe2(&(0x7f0000000b80)={0xffffffffffffffff}, 0x0) recvmsg(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) [ 1099.917650][T12884] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1099.927221][T12884] CPU: 1 PID: 12884 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1099.937607][T12884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1099.947913][T12884] Call Trace: [ 1099.951400][T12884] [ 1099.954532][T12884] dump_stack_lvl+0x1bf/0x240 [ 1099.959569][T12884] dump_stack+0x1e/0x20 [ 1099.964076][T12884] sysfs_create_dir_ns+0x459/0x4c0 [ 1099.969508][T12884] ? device_release+0x2e0/0x2e0 [ 1099.974702][T12884] kobject_add_internal+0xd08/0x16a0 [ 1099.980390][T12884] kobject_add+0x28c/0x3b0 [ 1099.985182][T12884] ? kobject_put+0x1fe/0x330 [ 1099.990141][T12884] device_add+0xaa2/0x1f20 [ 1099.994891][T12884] netdev_register_kobject+0x1ec/0x520 [ 1100.000698][T12884] register_netdevice+0x138a/0x1cd0 [ 1100.006265][T12884] bond_newlink+0x98/0x140 [ 1100.011027][T12884] ? bond_validate+0x270/0x270 02:10:02 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$sock_int(r0, 0xffff, 0x1015, &(0x7f0000000100), 0x4) [ 1100.016134][T12884] rtnl_newlink+0x2d5f/0x4110 [ 1100.021209][T12884] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1100.027809][T12884] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1100.033979][T12884] ? rtnl_setlink+0x7f0/0x7f0 [ 1100.038974][T12884] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1100.044414][T12884] ? ref_tracker_free+0x45/0xc10 [ 1100.049661][T12884] ? filter_irq_stacks+0x60/0x1a0 [ 1100.055007][T12884] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1100.061185][T12884] ? filter_irq_stacks+0x164/0x1a0 [ 1100.066652][T12884] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1100.072838][T12884] netlink_rcv_skb+0x371/0x650 [ 1100.077946][T12884] ? rtnetlink_bind+0xf0/0xf0 [ 1100.082954][T12884] ? rtnetlink_net_exit+0x60/0x60 [ 1100.088301][T12884] rtnetlink_rcv+0x34/0x40 [ 1100.093034][T12884] netlink_unicast+0xf47/0x1250 [ 1100.098260][T12884] netlink_sendmsg+0x1238/0x13d0 [ 1100.103555][T12884] ? netlink_getsockopt+0x980/0x980 [ 1100.109092][T12884] ____sys_sendmsg+0x9c2/0xd60 [ 1100.114288][T12884] ___sys_sendmsg+0x28d/0x3c0 [ 1100.119255][T12884] ? __fget_files+0x580/0x640 [ 1100.124202][T12884] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1100.130309][T12884] __x64_sys_sendmsg+0x307/0x490 [ 1100.135570][T12884] do_syscall_64+0x44/0x110 [ 1100.140319][T12884] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1100.146548][T12884] RIP: 0033:0x7f449387cae9 [ 1100.151219][T12884] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1100.171130][T12884] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1100.179818][T12884] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1100.188017][T12884] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1100.196243][T12884] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1100.204465][T12884] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1100.212656][T12884] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1100.220910][T12884] [ 1100.234042][T12884] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1100.256143][T12884] bond10000000000 (unregistered): Released all slaves 02:10:02 executing program 3: r0 = socket(0x1c, 0x3, 0x0) getsockopt$inet_tcp_int(r0, 0x6, 0x0, 0x0, 0x0) [ 1100.460235][T12891] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1100.470442][T12891] CPU: 1 PID: 12891 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1100.480833][T12891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1100.491264][T12891] Call Trace: [ 1100.494749][T12891] [ 1100.497889][T12891] dump_stack_lvl+0x1bf/0x240 [ 1100.502946][T12891] dump_stack+0x1e/0x20 [ 1100.507451][T12891] sysfs_create_dir_ns+0x459/0x4c0 [ 1100.512898][T12891] ? device_release+0x2e0/0x2e0 [ 1100.518073][T12891] kobject_add_internal+0xd08/0x16a0 [ 1100.524649][T12891] kobject_add+0x28c/0x3b0 [ 1100.529378][T12891] ? kobject_put+0x1fe/0x330 [ 1100.534267][T12891] device_add+0xaa2/0x1f20 [ 1100.538967][T12891] netdev_register_kobject+0x1ec/0x520 [ 1100.544717][T12891] register_netdevice+0x138a/0x1cd0 [ 1100.550215][T12891] bond_newlink+0x98/0x140 [ 1100.554951][T12891] ? bond_validate+0x270/0x270 [ 1100.560053][T12891] rtnl_newlink+0x2d5f/0x4110 [ 1100.565239][T12891] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1100.571414][T12891] ? rtnl_setlink+0x7f0/0x7f0 [ 1100.576365][T12891] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1100.581792][T12891] ? ref_tracker_free+0x45/0xc10 [ 1100.587008][T12891] ? filter_irq_stacks+0x60/0x1a0 [ 1100.592321][T12891] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1100.598437][T12891] ? filter_irq_stacks+0x164/0x1a0 [ 1100.603838][T12891] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1100.609951][T12891] netlink_rcv_skb+0x371/0x650 [ 1100.615027][T12891] ? rtnetlink_bind+0xf0/0xf0 [ 1100.619978][T12891] ? rtnetlink_net_exit+0x60/0x60 [ 1100.625267][T12891] rtnetlink_rcv+0x34/0x40 [ 1100.629944][T12891] netlink_unicast+0xf47/0x1250 [ 1100.635089][T12891] netlink_sendmsg+0x1238/0x13d0 [ 1100.640309][T12891] ? netlink_getsockopt+0x980/0x980 [ 1100.645794][T12891] ____sys_sendmsg+0x9c2/0xd60 [ 1100.650938][T12891] ___sys_sendmsg+0x28d/0x3c0 [ 1100.655914][T12891] ? __fget_files+0x580/0x640 [ 1100.660897][T12891] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1100.667057][T12891] __x64_sys_sendmsg+0x307/0x490 [ 1100.672309][T12891] do_syscall_64+0x44/0x110 [ 1100.677055][T12891] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1100.683267][T12891] RIP: 0033:0x7f9a85a7cae9 [ 1100.687905][T12891] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1100.707795][T12891] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1100.716518][T12891] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1100.724722][T12891] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1100.732933][T12891] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1100.741138][T12891] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1100.749315][T12891] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1100.757525][T12891] 02:10:03 executing program 2: pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$UI_DEV_DESTROY(r0, 0x20005502) [ 1100.767289][T12891] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1100.783442][T12891] bond10000000000 (unregistered): Released all slaves 02:10:03 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, 0x0, 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:10:03 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x7a000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:03 executing program 0: recvmsg(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) munmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000) 02:10:03 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x9, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:03 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_tcp_buf(r0, 0x6, 0x2000, &(0x7f0000000080)=""/70, &(0x7f0000000100)=0x46) [ 1101.574994][T12908] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1101.590202][T12908] CPU: 1 PID: 12908 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1101.600605][T12908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1101.610936][T12908] Call Trace: [ 1101.614494][T12908] [ 1101.617629][T12908] dump_stack_lvl+0x1bf/0x240 [ 1101.622690][T12908] dump_stack+0x1e/0x20 [ 1101.627197][T12908] sysfs_create_dir_ns+0x459/0x4c0 [ 1101.632646][T12908] ? device_release+0x2e0/0x2e0 [ 1101.637815][T12908] kobject_add_internal+0xd08/0x16a0 [ 1101.643471][T12908] kobject_add+0x28c/0x3b0 [ 1101.648251][T12908] ? kobject_put+0x1fe/0x330 [ 1101.653188][T12908] device_add+0xaa2/0x1f20 [ 1101.657942][T12908] netdev_register_kobject+0x1ec/0x520 [ 1101.663737][T12908] register_netdevice+0x138a/0x1cd0 [ 1101.669284][T12908] bond_newlink+0x98/0x140 [ 1101.674054][T12908] ? bond_validate+0x270/0x270 [ 1101.679156][T12908] rtnl_newlink+0x2d5f/0x4110 [ 1101.684222][T12908] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1101.690832][T12908] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1101.696994][T12908] ? rtnl_setlink+0x7f0/0x7f0 [ 1101.701994][T12908] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1101.707464][T12908] ? ref_tracker_free+0x45/0xc10 [ 1101.712715][T12908] ? filter_irq_stacks+0x60/0x1a0 [ 1101.718069][T12908] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1101.724240][T12908] ? filter_irq_stacks+0x164/0x1a0 [ 1101.729712][T12908] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1101.735917][T12908] netlink_rcv_skb+0x371/0x650 [ 1101.741030][T12908] ? rtnetlink_bind+0xf0/0xf0 [ 1101.746058][T12908] ? rtnetlink_net_exit+0x60/0x60 [ 1101.751416][T12908] rtnetlink_rcv+0x34/0x40 [ 1101.756158][T12908] netlink_unicast+0xf47/0x1250 [ 1101.761351][T12908] netlink_sendmsg+0x1238/0x13d0 [ 1101.766640][T12908] ? netlink_getsockopt+0x980/0x980 [ 1101.772154][T12908] ____sys_sendmsg+0x9c2/0xd60 [ 1101.777272][T12908] ___sys_sendmsg+0x28d/0x3c0 [ 1101.782393][T12908] ? __fget_files+0x580/0x640 [ 1101.787394][T12908] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1101.793568][T12908] __x64_sys_sendmsg+0x307/0x490 [ 1101.798865][T12908] do_syscall_64+0x44/0x110 [ 1101.803666][T12908] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1101.809969][T12908] RIP: 0033:0x7f449387cae9 [ 1101.814638][T12908] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1101.834565][T12908] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1101.843311][T12908] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1101.851552][T12908] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1101.859783][T12908] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1101.868019][T12908] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1101.876247][T12908] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1101.884507][T12908] [ 1101.895236][T12908] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1101.911119][T12908] bond10000000000 (unregistered): Released all slaves 02:10:04 executing program 0: r0 = openat$ptmx(0xffffff9c, &(0x7f00000001c0), 0x0, 0x0) fchown(r0, 0x0, 0x0) 02:10:04 executing program 2: pipe2(&(0x7f0000000b80)={0xffffffffffffffff}, 0x0) connect$inet(r0, &(0x7f0000000140)={0x10, 0x2}, 0x10) 02:10:04 executing program 3: munmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000) 02:10:04 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0xa, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:04 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x7f000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:04 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, 0x0, 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) [ 1102.616945][T12925] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1102.626499][T12925] CPU: 0 PID: 12925 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1102.636882][T12925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1102.647193][T12925] Call Trace: [ 1102.650668][T12925] [ 1102.653796][T12925] dump_stack_lvl+0x1bf/0x240 [ 1102.658841][T12925] dump_stack+0x1e/0x20 [ 1102.663348][T12925] sysfs_create_dir_ns+0x459/0x4c0 [ 1102.668772][T12925] ? device_release+0x2e0/0x2e0 [ 1102.673911][T12925] kobject_add_internal+0xd08/0x16a0 [ 1102.679502][T12925] kobject_add+0x28c/0x3b0 [ 1102.684228][T12925] ? kobject_put+0x1fe/0x330 [ 1102.689133][T12925] device_add+0xaa2/0x1f20 [ 1102.693841][T12925] netdev_register_kobject+0x1ec/0x520 [ 1102.699579][T12925] register_netdevice+0x138a/0x1cd0 [ 1102.705059][T12925] bond_newlink+0x98/0x140 [ 1102.709774][T12925] ? bond_validate+0x270/0x270 [ 1102.714865][T12925] rtnl_newlink+0x2d5f/0x4110 [ 1102.719870][T12925] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1102.726415][T12925] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1102.732513][T12925] ? rtnl_setlink+0x7f0/0x7f0 [ 1102.737450][T12925] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1102.742856][T12925] ? ref_tracker_free+0x45/0xc10 [ 1102.748052][T12925] ? filter_irq_stacks+0x60/0x1a0 [ 1102.753345][T12925] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1102.759458][T12925] ? filter_irq_stacks+0x164/0x1a0 [ 1102.764843][T12925] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1102.770945][T12925] netlink_rcv_skb+0x371/0x650 [ 1102.775988][T12925] ? rtnetlink_bind+0xf0/0xf0 [ 1102.780941][T12925] ? rtnetlink_net_exit+0x60/0x60 [ 1102.786223][T12925] rtnetlink_rcv+0x34/0x40 [ 1102.790902][T12925] netlink_unicast+0xf47/0x1250 [ 1102.796027][T12925] netlink_sendmsg+0x1238/0x13d0 [ 1102.801250][T12925] ? netlink_getsockopt+0x980/0x980 [ 1102.806716][T12925] ____sys_sendmsg+0x9c2/0xd60 [ 1102.811800][T12925] ___sys_sendmsg+0x28d/0x3c0 [ 1102.816797][T12925] ? __fget_files+0x580/0x640 [ 1102.821731][T12925] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1102.827835][T12925] __x64_sys_sendmsg+0x307/0x490 [ 1102.833068][T12925] do_syscall_64+0x44/0x110 [ 1102.837807][T12925] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1102.844005][T12925] RIP: 0033:0x7f9a85a7cae9 [ 1102.848634][T12925] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1102.868510][T12925] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1102.877196][T12925] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1102.885403][T12925] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1102.893584][T12925] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1102.901764][T12925] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1102.909941][T12925] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1102.918145][T12925] [ 1102.934733][T12925] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1102.952079][T12925] bond10000000000 (unregistered): Released all slaves 02:10:05 executing program 3: r0 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r0, &(0x7f0000000080)={0x10, 0x2}, 0x10) r1 = socket$inet6_sctp(0x1c, 0x1, 0x84) r2 = dup2(r0, r1) sendto(r2, &(0x7f0000000180)="d3", 0x1, 0x0, &(0x7f0000000000)=@in6={0x1c, 0x1c}, 0x1c) 02:10:05 executing program 2: open(&(0x7f0000000200)='./file0/file0\x00', 0x0, 0x0) [ 1103.075142][T12929] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1103.085105][T12929] CPU: 0 PID: 12929 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1103.095485][T12929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1103.105783][T12929] Call Trace: [ 1103.109260][T12929] [ 1103.112405][T12929] dump_stack_lvl+0x1bf/0x240 [ 1103.117467][T12929] dump_stack+0x1e/0x20 [ 1103.121971][T12929] sysfs_create_dir_ns+0x459/0x4c0 [ 1103.127403][T12929] ? device_release+0x2e0/0x2e0 [ 1103.132588][T12929] kobject_add_internal+0xd08/0x16a0 [ 1103.138236][T12929] kobject_add+0x28c/0x3b0 [ 1103.142998][T12929] ? kobject_put+0x1fe/0x330 [ 1103.147920][T12929] device_add+0xaa2/0x1f20 [ 1103.152663][T12929] netdev_register_kobject+0x1ec/0x520 [ 1103.158466][T12929] register_netdevice+0x138a/0x1cd0 [ 1103.164005][T12929] bond_newlink+0x98/0x140 [ 1103.168750][T12929] ? bond_validate+0x270/0x270 [ 1103.173805][T12929] rtnl_newlink+0x2d5f/0x4110 [ 1103.178817][T12929] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1103.184943][T12929] ? rtnl_setlink+0x7f0/0x7f0 [ 1103.189888][T12929] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1103.195300][T12929] ? ref_tracker_free+0x45/0xc10 [ 1103.200524][T12929] ? filter_irq_stacks+0x60/0x1a0 [ 1103.205816][T12929] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1103.211927][T12929] ? filter_irq_stacks+0x164/0x1a0 [ 1103.217316][T12929] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1103.223444][T12929] netlink_rcv_skb+0x371/0x650 [ 1103.228494][T12929] ? rtnetlink_bind+0xf0/0xf0 [ 1103.233446][T12929] ? rtnetlink_net_exit+0x60/0x60 [ 1103.238733][T12929] rtnetlink_rcv+0x34/0x40 [ 1103.243416][T12929] netlink_unicast+0xf47/0x1250 [ 1103.248547][T12929] netlink_sendmsg+0x1238/0x13d0 [ 1103.253783][T12929] ? netlink_getsockopt+0x980/0x980 [ 1103.259248][T12929] ____sys_sendmsg+0x9c2/0xd60 [ 1103.264311][T12929] ___sys_sendmsg+0x28d/0x3c0 [ 1103.269278][T12929] ? __fget_files+0x580/0x640 [ 1103.274214][T12929] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1103.280318][T12929] __x64_sys_sendmsg+0x307/0x490 [ 1103.285550][T12929] do_syscall_64+0x44/0x110 [ 1103.290287][T12929] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1103.296490][T12929] RIP: 0033:0x7f449387cae9 [ 1103.301116][T12929] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1103.321002][T12929] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1103.329713][T12929] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1103.337938][T12929] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1103.346122][T12929] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1103.354304][T12929] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1103.362487][T12929] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1103.370690][T12929] [ 1103.374708][T12929] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1103.398712][T12929] bond10000000000 (unregistered): Released all slaves 02:10:05 executing program 0: r0 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f0000000240)={0x0, @in, 0xad6, 0x0, 0x0, 0x0, 0x7}, 0x98) 02:10:06 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0xb, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:06 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x81000000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:06 executing program 0: fchownat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0, 0xffffffffffffffff, 0x2000) [ 1104.114505][T12944] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1104.124088][T12944] CPU: 0 PID: 12944 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1104.134477][T12944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1104.144889][T12944] Call Trace: [ 1104.148368][T12944] [ 1104.151502][T12944] dump_stack_lvl+0x1bf/0x240 [ 1104.156544][T12944] dump_stack+0x1e/0x20 [ 1104.161061][T12944] sysfs_create_dir_ns+0x459/0x4c0 [ 1104.166502][T12944] ? device_release+0x2e0/0x2e0 [ 1104.171696][T12944] kobject_add_internal+0xd08/0x16a0 [ 1104.177358][T12944] kobject_add+0x28c/0x3b0 [ 1104.182125][T12944] ? kobject_put+0x1fe/0x330 [ 1104.187058][T12944] device_add+0xaa2/0x1f20 [ 1104.191808][T12944] netdev_register_kobject+0x1ec/0x520 [ 1104.197608][T12944] register_netdevice+0x138a/0x1cd0 [ 1104.203156][T12944] bond_newlink+0x98/0x140 [ 1104.207913][T12944] ? bond_validate+0x270/0x270 [ 1104.213022][T12944] rtnl_newlink+0x2d5f/0x4110 [ 1104.218081][T12944] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1104.224687][T12944] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1104.230872][T12944] ? rtnl_setlink+0x7f0/0x7f0 [ 1104.235871][T12944] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1104.241330][T12944] ? ref_tracker_free+0x45/0xc10 [ 1104.247018][T12944] ? filter_irq_stacks+0x60/0x1a0 [ 1104.252372][T12944] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1104.258552][T12944] ? filter_irq_stacks+0x164/0x1a0 [ 1104.264007][T12944] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1104.270180][T12944] netlink_rcv_skb+0x371/0x650 [ 1104.275291][T12944] ? rtnetlink_bind+0xf0/0xf0 [ 1104.280296][T12944] ? rtnetlink_net_exit+0x60/0x60 [ 1104.285651][T12944] rtnetlink_rcv+0x34/0x40 [ 1104.290398][T12944] netlink_unicast+0xf47/0x1250 [ 1104.295599][T12944] netlink_sendmsg+0x1238/0x13d0 [ 1104.300904][T12944] ? netlink_getsockopt+0x980/0x980 [ 1104.306435][T12944] ____sys_sendmsg+0x9c2/0xd60 02:10:06 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, 0x0, 0x3af4701e) sendfile(r5, r4, 0x0, 0x10000a006) 02:10:06 executing program 2: r0 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_mreqn(r0, 0x0, 0xe, 0x0, 0x0) [ 1104.311562][T12944] ___sys_sendmsg+0x28d/0x3c0 [ 1104.316610][T12944] ? __fget_files+0x580/0x640 [ 1104.321622][T12944] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1104.327817][T12944] __x64_sys_sendmsg+0x307/0x490 [ 1104.333126][T12944] do_syscall_64+0x44/0x110 [ 1104.337942][T12944] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1104.344234][T12944] RIP: 0033:0x7f9a85a7cae9 [ 1104.348914][T12944] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1104.368848][T12944] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1104.377602][T12944] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1104.385850][T12944] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1104.394043][T12944] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1104.402237][T12944] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1104.410419][T12944] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1104.418630][T12944] [ 1104.431605][T12944] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1104.447940][T12944] bond10000000000 (unregistered): Released all slaves [ 1104.690827][T12947] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1104.701727][T12947] CPU: 1 PID: 12947 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1104.712120][T12947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1104.722429][T12947] Call Trace: [ 1104.725915][T12947] [ 1104.729040][T12947] dump_stack_lvl+0x1bf/0x240 [ 1104.734089][T12947] dump_stack+0x1e/0x20 [ 1104.738583][T12947] sysfs_create_dir_ns+0x459/0x4c0 [ 1104.744017][T12947] ? device_release+0x2e0/0x2e0 [ 1104.749199][T12947] kobject_add_internal+0xd08/0x16a0 [ 1104.754857][T12947] kobject_add+0x28c/0x3b0 [ 1104.759623][T12947] ? kobject_put+0x1fe/0x330 [ 1104.764540][T12947] device_add+0xaa2/0x1f20 [ 1104.769289][T12947] netdev_register_kobject+0x1ec/0x520 [ 1104.775079][T12947] register_netdevice+0x138a/0x1cd0 [ 1104.780621][T12947] bond_newlink+0x98/0x140 [ 1104.785394][T12947] ? bond_validate+0x270/0x270 [ 1104.790505][T12947] rtnl_newlink+0x2d5f/0x4110 [ 1104.795586][T12947] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1104.801753][T12947] ? rtnl_setlink+0x7f0/0x7f0 [ 1104.806738][T12947] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1104.812175][T12947] ? ref_tracker_free+0x45/0xc10 [ 1104.817377][T12947] ? filter_irq_stacks+0x60/0x1a0 [ 1104.822673][T12947] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1104.828788][T12947] ? filter_irq_stacks+0x164/0x1a0 [ 1104.834179][T12947] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1104.840278][T12947] netlink_rcv_skb+0x371/0x650 [ 1104.845320][T12947] ? rtnetlink_bind+0xf0/0xf0 [ 1104.850272][T12947] ? rtnetlink_net_exit+0x60/0x60 [ 1104.855556][T12947] rtnetlink_rcv+0x34/0x40 [ 1104.860248][T12947] netlink_unicast+0xf47/0x1250 [ 1104.865411][T12947] netlink_sendmsg+0x1238/0x13d0 [ 1104.870640][T12947] ? netlink_getsockopt+0x980/0x980 [ 1104.876143][T12947] ____sys_sendmsg+0x9c2/0xd60 [ 1104.881215][T12947] ___sys_sendmsg+0x28d/0x3c0 [ 1104.886177][T12947] ? __fget_files+0x580/0x640 [ 1104.891109][T12947] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1104.897210][T12947] __x64_sys_sendmsg+0x307/0x490 [ 1104.902444][T12947] do_syscall_64+0x44/0x110 [ 1104.907186][T12947] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1104.913389][T12947] RIP: 0033:0x7f449387cae9 [ 1104.918015][T12947] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1104.937888][T12947] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1104.946567][T12947] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1104.954783][T12947] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1104.963017][T12947] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1104.971224][T12947] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1104.979407][T12947] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1104.987617][T12947] [ 1105.000643][T12947] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1105.016687][T12947] bond10000000000 (unregistered): Released all slaves 02:10:07 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_int(r0, 0x0, 0x44, &(0x7f0000000000), 0x4) 02:10:07 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) sendto$inet(r0, &(0x7f0000000040)="ea1ae849bd2f05a8", 0x8, 0x0, &(0x7f0000000080)={0x10, 0x2}, 0x10) 02:10:07 executing program 0: munmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) mlock(&(0x7f0000ffa000/0x4000)=nil, 0x4000) mlock(&(0x7f0000ffa000/0x2000)=nil, 0x2000) 02:10:07 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0xc, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:07 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x81ffffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:08 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) sendto$inet(r0, &(0x7f0000000040)="ea1ae849bd2f05a815127342d78b8d5e928050a6a1", 0x15, 0x0, &(0x7f0000000080)={0x10, 0x2}, 0x10) 02:10:08 executing program 3: r0 = socket$inet6_udp(0x1c, 0x2, 0x0) recvmsg(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000001880)=[{0x0}, {0x0}, {0x0}], 0x3}, 0x0) [ 1105.725931][T12965] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1105.736481][T12965] CPU: 1 PID: 12965 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1105.746874][T12965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1105.757191][T12965] Call Trace: [ 1105.760671][T12965] [ 1105.763801][T12965] dump_stack_lvl+0x1bf/0x240 [ 1105.768841][T12965] dump_stack+0x1e/0x20 [ 1105.773316][T12965] sysfs_create_dir_ns+0x459/0x4c0 [ 1105.778742][T12965] ? device_release+0x2e0/0x2e0 [ 1105.783910][T12965] kobject_add_internal+0xd08/0x16a0 [ 1105.789582][T12965] kobject_add+0x28c/0x3b0 [ 1105.794353][T12965] ? kobject_put+0x1fe/0x330 [ 1105.799282][T12965] device_add+0xaa2/0x1f20 [ 1105.804028][T12965] netdev_register_kobject+0x1ec/0x520 [ 1105.809814][T12965] register_netdevice+0x138a/0x1cd0 [ 1105.815362][T12965] bond_newlink+0x98/0x140 [ 1105.820132][T12965] ? bond_validate+0x270/0x270 02:10:08 executing program 0: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) recvmsg(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)=[{0x0}], 0x1, &(0x7f0000000080)=""/141, 0x8d}, 0xc3) 02:10:08 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(0xffffffffffffffff, r4, 0x0, 0x10000a006) [ 1105.825230][T12965] rtnl_newlink+0x2d5f/0x4110 [ 1105.830282][T12965] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1105.836880][T12965] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1105.843018][T12965] ? rtnl_setlink+0x7f0/0x7f0 [ 1105.847993][T12965] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1105.853450][T12965] ? ref_tracker_free+0x45/0xc10 [ 1105.858704][T12965] ? filter_irq_stacks+0x60/0x1a0 [ 1105.864042][T12965] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1105.870198][T12965] ? filter_irq_stacks+0x164/0x1a0 [ 1105.875604][T12965] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1105.881727][T12965] netlink_rcv_skb+0x371/0x650 [ 1105.886825][T12965] ? rtnetlink_bind+0xf0/0xf0 [ 1105.891805][T12965] ? rtnetlink_net_exit+0x60/0x60 [ 1105.897102][T12965] rtnetlink_rcv+0x34/0x40 [ 1105.901779][T12965] netlink_unicast+0xf47/0x1250 [ 1105.906902][T12965] netlink_sendmsg+0x1238/0x13d0 [ 1105.912128][T12965] ? netlink_getsockopt+0x980/0x980 [ 1105.917601][T12965] ____sys_sendmsg+0x9c2/0xd60 [ 1105.922666][T12965] ___sys_sendmsg+0x28d/0x3c0 [ 1105.927651][T12965] ? __fget_files+0x580/0x640 [ 1105.932590][T12965] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1105.938716][T12965] __x64_sys_sendmsg+0x307/0x490 [ 1105.943956][T12965] do_syscall_64+0x44/0x110 [ 1105.948698][T12965] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1105.954903][T12965] RIP: 0033:0x7f9a85a7cae9 [ 1105.959534][T12965] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1105.979420][T12965] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1105.988120][T12965] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1105.996343][T12965] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1106.004525][T12965] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1106.012728][T12965] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1106.020915][T12965] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1106.029127][T12965] [ 1106.033099][T12965] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1106.055881][T12965] bond10000000000 (unregistered): Released all slaves [ 1106.240688][T12967] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1106.250444][T12967] CPU: 1 PID: 12967 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1106.262461][T12967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1106.272741][T12967] Call Trace: [ 1106.276203][T12967] [ 1106.279295][T12967] dump_stack_lvl+0x1bf/0x240 [ 1106.284297][T12967] dump_stack+0x1e/0x20 [ 1106.288741][T12967] sysfs_create_dir_ns+0x459/0x4c0 [ 1106.294137][T12967] ? device_release+0x2e0/0x2e0 [ 1106.299296][T12967] kobject_add_internal+0xd08/0x16a0 [ 1106.304899][T12967] kobject_add+0x28c/0x3b0 [ 1106.309638][T12967] ? kobject_put+0x1fe/0x330 [ 1106.314507][T12967] device_add+0xaa2/0x1f20 [ 1106.319205][T12967] netdev_register_kobject+0x1ec/0x520 [ 1106.324948][T12967] register_netdevice+0x138a/0x1cd0 [ 1106.330431][T12967] bond_newlink+0x98/0x140 [ 1106.335147][T12967] ? bond_validate+0x270/0x270 [ 1106.340196][T12967] rtnl_newlink+0x2d5f/0x4110 [ 1106.345203][T12967] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1106.351302][T12967] ? rtnl_setlink+0x7f0/0x7f0 [ 1106.356236][T12967] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1106.361633][T12967] ? ref_tracker_free+0x45/0xc10 [ 1106.366831][T12967] ? filter_irq_stacks+0x60/0x1a0 [ 1106.372126][T12967] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1106.378238][T12967] ? filter_irq_stacks+0x164/0x1a0 [ 1106.383639][T12967] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1106.389776][T12967] netlink_rcv_skb+0x371/0x650 [ 1106.394862][T12967] ? rtnetlink_bind+0xf0/0xf0 [ 1106.399873][T12967] ? rtnetlink_net_exit+0x60/0x60 [ 1106.405195][T12967] rtnetlink_rcv+0x34/0x40 [ 1106.409909][T12967] netlink_unicast+0xf47/0x1250 [ 1106.415071][T12967] netlink_sendmsg+0x1238/0x13d0 [ 1106.420310][T12967] ? netlink_getsockopt+0x980/0x980 [ 1106.425789][T12967] ____sys_sendmsg+0x9c2/0xd60 [ 1106.430858][T12967] ___sys_sendmsg+0x28d/0x3c0 [ 1106.435829][T12967] ? __fget_files+0x580/0x640 [ 1106.440775][T12967] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1106.446891][T12967] __x64_sys_sendmsg+0x307/0x490 [ 1106.452142][T12967] do_syscall_64+0x44/0x110 [ 1106.456890][T12967] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1106.463147][T12967] RIP: 0033:0x7f449387cae9 [ 1106.467804][T12967] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1106.487722][T12967] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1106.496526][T12967] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1106.504775][T12967] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1106.512976][T12967] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1106.521202][T12967] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1106.529399][T12967] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1106.537638][T12967] [ 1106.548100][T12967] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1106.565399][T12967] bond10000000000 (unregistered): Released all slaves 02:10:09 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x88470000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:09 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0xd, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:09 executing program 2: faccessat(0xffffffffffffffff, &(0x7f0000000280)='./file1\x00', 0x0) 02:10:09 executing program 3: fcntl$getown(0xffffffffffffffff, 0x5) [ 1107.249357][T12984] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1107.259128][T12984] CPU: 0 PID: 12984 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1107.269535][T12984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1107.279849][T12984] Call Trace: [ 1107.283335][T12984] [ 1107.286466][T12984] dump_stack_lvl+0x1bf/0x240 [ 1107.291524][T12984] dump_stack+0x1e/0x20 [ 1107.296037][T12984] sysfs_create_dir_ns+0x459/0x4c0 [ 1107.301472][T12984] ? device_release+0x2e0/0x2e0 [ 1107.306670][T12984] kobject_add_internal+0xd08/0x16a0 [ 1107.312332][T12984] kobject_add+0x28c/0x3b0 [ 1107.317114][T12984] ? kobject_put+0x1fe/0x330 [ 1107.322031][T12984] device_add+0xaa2/0x1f20 [ 1107.326767][T12984] netdev_register_kobject+0x1ec/0x520 [ 1107.332570][T12984] register_netdevice+0x138a/0x1cd0 [ 1107.338121][T12984] bond_newlink+0x98/0x140 [ 1107.342887][T12984] ? bond_validate+0x270/0x270 [ 1107.348006][T12984] rtnl_newlink+0x2d5f/0x4110 [ 1107.353095][T12984] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1107.359709][T12984] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1107.365903][T12984] ? rtnl_setlink+0x7f0/0x7f0 [ 1107.370905][T12984] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1107.376356][T12984] ? ref_tracker_free+0x45/0xc10 [ 1107.381619][T12984] ? filter_irq_stacks+0x60/0x1a0 [ 1107.386992][T12984] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1107.393211][T12984] ? filter_irq_stacks+0x164/0x1a0 [ 1107.398686][T12984] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1107.404886][T12984] netlink_rcv_skb+0x371/0x650 [ 1107.410033][T12984] ? rtnetlink_bind+0xf0/0xf0 [ 1107.415071][T12984] ? rtnetlink_net_exit+0x60/0x60 [ 1107.420418][T12984] rtnetlink_rcv+0x34/0x40 [ 1107.425168][T12984] netlink_unicast+0xf47/0x1250 [ 1107.430458][T12984] netlink_sendmsg+0x1238/0x13d0 [ 1107.435756][T12984] ? netlink_getsockopt+0x980/0x980 [ 1107.441296][T12984] ____sys_sendmsg+0x9c2/0xd60 [ 1107.446443][T12984] ___sys_sendmsg+0x28d/0x3c0 [ 1107.451491][T12984] ? __fget_files+0x580/0x640 [ 1107.456513][T12984] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1107.462704][T12984] __x64_sys_sendmsg+0x307/0x490 [ 1107.468018][T12984] do_syscall_64+0x44/0x110 [ 1107.472910][T12984] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1107.479202][T12984] RIP: 0033:0x7f449387cae9 [ 1107.483889][T12984] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1107.503818][T12984] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1107.512513][T12984] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1107.520744][T12984] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1107.529319][T12984] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1107.537547][T12984] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:10:09 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(0xffffffffffffffff, r4, 0x0, 0x10000a006) [ 1107.545769][T12984] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1107.553994][T12984] [ 1107.565941][T12984] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1107.582025][T12984] bond10000000000 (unregistered): Released all slaves [ 1107.694789][T12988] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1107.706609][T12988] CPU: 0 PID: 12988 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1107.717010][T12988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1107.727328][T12988] Call Trace: [ 1107.730818][T12988] [ 1107.733962][T12988] dump_stack_lvl+0x1bf/0x240 [ 1107.739011][T12988] dump_stack+0x1e/0x20 [ 1107.743508][T12988] sysfs_create_dir_ns+0x459/0x4c0 [ 1107.748944][T12988] ? device_release+0x2e0/0x2e0 [ 1107.754235][T12988] kobject_add_internal+0xd08/0x16a0 [ 1107.759920][T12988] kobject_add+0x28c/0x3b0 [ 1107.764716][T12988] ? kobject_put+0x1fe/0x330 [ 1107.769647][T12988] device_add+0xaa2/0x1f20 [ 1107.774398][T12988] netdev_register_kobject+0x1ec/0x520 [ 1107.780203][T12988] register_netdevice+0x138a/0x1cd0 [ 1107.785752][T12988] bond_newlink+0x98/0x140 [ 1107.790523][T12988] ? bond_validate+0x270/0x270 [ 1107.795642][T12988] rtnl_newlink+0x2d5f/0x4110 [ 1107.800729][T12988] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1107.806896][T12988] ? rtnl_setlink+0x7f0/0x7f0 [ 1107.811888][T12988] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1107.817354][T12988] ? ref_tracker_free+0x45/0xc10 [ 1107.822610][T12988] ? filter_irq_stacks+0x60/0x1a0 [ 1107.827949][T12988] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1107.834118][T12988] ? filter_irq_stacks+0x164/0x1a0 [ 1107.839590][T12988] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1107.845771][T12988] netlink_rcv_skb+0x371/0x650 [ 1107.850872][T12988] ? rtnetlink_bind+0xf0/0xf0 [ 1107.855870][T12988] ? rtnetlink_net_exit+0x60/0x60 [ 1107.861230][T12988] rtnetlink_rcv+0x34/0x40 [ 1107.865986][T12988] netlink_unicast+0xf47/0x1250 [ 1107.871195][T12988] netlink_sendmsg+0x1238/0x13d0 [ 1107.876485][T12988] ? netlink_getsockopt+0x980/0x980 [ 1107.882005][T12988] ____sys_sendmsg+0x9c2/0xd60 [ 1107.887148][T12988] ___sys_sendmsg+0x28d/0x3c0 [ 1107.892189][T12988] ? __fget_files+0x580/0x640 [ 1107.897185][T12988] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1107.903362][T12988] __x64_sys_sendmsg+0x307/0x490 [ 1107.908671][T12988] do_syscall_64+0x44/0x110 [ 1107.913492][T12988] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1107.919766][T12988] RIP: 0033:0x7f9a85a7cae9 [ 1107.924437][T12988] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1107.944385][T12988] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1107.953153][T12988] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1107.961416][T12988] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1107.969663][T12988] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1107.977905][T12988] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1107.986143][T12988] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 02:10:10 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$sock_int(r0, 0xffff, 0x1018, 0x0, 0x0) [ 1107.994410][T12988] [ 1108.005500][T12988] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1108.021766][T12988] bond10000000000 (unregistered): Released all slaves 02:10:10 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x88480000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:10 executing program 0: pipe2(&(0x7f0000000b80)={0xffffffffffffffff}, 0x0) ioctl$KDGKBMODE(r0, 0x40044b06, 0x0) 02:10:10 executing program 3: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000002d80), 0x2, 0x0) write$FUSE_NOTIFY_INVAL_ENTRY(r0, &(0x7f0000000000)=ANY=[@ANYBLOB="2500000003"], 0x25) [ 1108.394336][T13000] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1108.403982][T13000] CPU: 0 PID: 13000 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1108.414375][T13000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1108.424700][T13000] Call Trace: [ 1108.428179][T13000] [ 1108.431307][T13000] dump_stack_lvl+0x1bf/0x240 [ 1108.436363][T13000] dump_stack+0x1e/0x20 [ 1108.440864][T13000] sysfs_create_dir_ns+0x459/0x4c0 [ 1108.446303][T13000] ? device_release+0x2e0/0x2e0 [ 1108.451486][T13000] kobject_add_internal+0xd08/0x16a0 [ 1108.457234][T13000] kobject_add+0x28c/0x3b0 [ 1108.462023][T13000] ? kobject_put+0x1fe/0x330 [ 1108.466968][T13000] device_add+0xaa2/0x1f20 [ 1108.471711][T13000] netdev_register_kobject+0x1ec/0x520 [ 1108.477511][T13000] register_netdevice+0x138a/0x1cd0 [ 1108.483052][T13000] bond_newlink+0x98/0x140 [ 1108.487809][T13000] ? bond_validate+0x270/0x270 02:10:10 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0xe, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1108.492927][T13000] rtnl_newlink+0x2d5f/0x4110 [ 1108.498096][T13000] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1108.504775][T13000] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1108.510966][T13000] ? rtnl_setlink+0x7f0/0x7f0 [ 1108.515967][T13000] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1108.521429][T13000] ? ref_tracker_free+0x45/0xc10 [ 1108.526677][T13000] ? filter_irq_stacks+0x60/0x1a0 [ 1108.532063][T13000] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1108.538272][T13000] ? filter_irq_stacks+0x164/0x1a0 [ 1108.543731][T13000] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1108.549916][T13000] netlink_rcv_skb+0x371/0x650 [ 1108.555033][T13000] ? rtnetlink_bind+0xf0/0xf0 [ 1108.560048][T13000] ? rtnetlink_net_exit+0x60/0x60 [ 1108.565451][T13000] rtnetlink_rcv+0x34/0x40 [ 1108.570195][T13000] netlink_unicast+0xf47/0x1250 [ 1108.575384][T13000] netlink_sendmsg+0x1238/0x13d0 [ 1108.580660][T13000] ? netlink_getsockopt+0x980/0x980 [ 1108.586142][T13000] ____sys_sendmsg+0x9c2/0xd60 [ 1108.591208][T13000] ___sys_sendmsg+0x28d/0x3c0 [ 1108.596173][T13000] ? __fget_files+0x580/0x640 [ 1108.601121][T13000] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1108.607228][T13000] __x64_sys_sendmsg+0x307/0x490 [ 1108.612469][T13000] do_syscall_64+0x44/0x110 [ 1108.617223][T13000] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1108.623444][T13000] RIP: 0033:0x7f449387cae9 [ 1108.628106][T13000] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1108.648007][T13000] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1108.656720][T13000] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1108.664926][T13000] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1108.673136][T13000] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1108.681318][T13000] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1108.689499][T13000] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1108.697729][T13000] [ 1108.710389][T13000] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1108.726680][T13000] bond10000000000 (unregistered): Released all slaves 02:10:11 executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000080)=@bloom_filter={0x9, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x48) 02:10:11 executing program 2: r0 = socket$nl_crypto(0x10, 0x3, 0x15) getsockname$netlink(r0, 0x0, &(0x7f0000000b00)) 02:10:11 executing program 3: r0 = socket$can_raw(0x1d, 0x3, 0x1) recvmsg$can_raw(r0, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x42) 02:10:11 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x88a8ffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:11 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(0xffffffffffffffff, r4, 0x0, 0x10000a006) [ 1109.440948][T13012] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1109.450863][T13012] CPU: 1 PID: 13012 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1109.461241][T13012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1109.471515][T13012] Call Trace: [ 1109.474968][T13012] [ 1109.478061][T13012] dump_stack_lvl+0x1bf/0x240 [ 1109.483098][T13012] dump_stack+0x1e/0x20 [ 1109.487579][T13012] sysfs_create_dir_ns+0x459/0x4c0 [ 1109.493085][T13012] ? device_release+0x2e0/0x2e0 [ 1109.498228][T13012] kobject_add_internal+0xd08/0x16a0 [ 1109.503833][T13012] kobject_add+0x28c/0x3b0 [ 1109.508546][T13012] ? kobject_put+0x1fe/0x330 [ 1109.513424][T13012] device_add+0xaa2/0x1f20 [ 1109.518121][T13012] netdev_register_kobject+0x1ec/0x520 [ 1109.523911][T13012] register_netdevice+0x138a/0x1cd0 [ 1109.529443][T13012] bond_newlink+0x98/0x140 [ 1109.534164][T13012] ? bond_validate+0x270/0x270 [ 1109.539221][T13012] rtnl_newlink+0x2d5f/0x4110 [ 1109.544403][T13012] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1109.550945][T13012] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1109.557046][T13012] ? rtnl_setlink+0x7f0/0x7f0 [ 1109.561985][T13012] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1109.567410][T13012] ? ref_tracker_free+0x45/0xc10 [ 1109.572668][T13012] ? filter_irq_stacks+0x60/0x1a0 [ 1109.578006][T13012] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1109.584120][T13012] ? filter_irq_stacks+0x164/0x1a0 [ 1109.589527][T13012] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1109.595732][T13012] netlink_rcv_skb+0x371/0x650 [ 1109.600801][T13012] ? rtnetlink_bind+0xf0/0xf0 [ 1109.605760][T13012] ? rtnetlink_net_exit+0x60/0x60 [ 1109.611397][T13012] rtnetlink_rcv+0x34/0x40 [ 1109.616085][T13012] netlink_unicast+0xf47/0x1250 [ 1109.621220][T13012] netlink_sendmsg+0x1238/0x13d0 [ 1109.626460][T13012] ? netlink_getsockopt+0x980/0x980 [ 1109.631929][T13012] ____sys_sendmsg+0x9c2/0xd60 [ 1109.636999][T13012] ___sys_sendmsg+0x28d/0x3c0 [ 1109.641966][T13012] ? __fget_files+0x580/0x640 [ 1109.646919][T13012] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1109.653126][T13012] __x64_sys_sendmsg+0x307/0x490 [ 1109.658374][T13012] do_syscall_64+0x44/0x110 [ 1109.663124][T13012] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1109.669328][T13012] RIP: 0033:0x7f9a85a7cae9 [ 1109.673993][T13012] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1109.693921][T13012] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1109.702621][T13012] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1109.710843][T13012] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1109.719029][T13012] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1109.727218][T13012] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1109.735669][T13012] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1109.743911][T13012] [ 1109.753617][T13012] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1109.769686][T13012] bond10000000000 (unregistered): Released all slaves 02:10:12 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$MPTCP_PM_CMD_FLUSH_ADDRS(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000300)={0x14, r1, 0x1}, 0x14}}, 0x0) 02:10:12 executing program 2: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r0, 0x5411, &(0x7f0000000040)={'veth0_vlan\x00', 0x0}) 02:10:12 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0xf, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:12 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x541b, &(0x7f0000000080)={'ip6tnl0\x00', 0x0}) [ 1110.154788][T13017] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1110.164367][T13017] CPU: 0 PID: 13017 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1110.174747][T13017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1110.185055][T13017] Call Trace: [ 1110.188534][T13017] [ 1110.191667][T13017] dump_stack_lvl+0x1bf/0x240 [ 1110.196731][T13017] dump_stack+0x1e/0x20 [ 1110.201247][T13017] sysfs_create_dir_ns+0x459/0x4c0 [ 1110.206683][T13017] ? device_release+0x2e0/0x2e0 [ 1110.211867][T13017] kobject_add_internal+0xd08/0x16a0 [ 1110.217527][T13017] kobject_add+0x28c/0x3b0 [ 1110.222312][T13017] ? kobject_put+0x1fe/0x330 [ 1110.227246][T13017] device_add+0xaa2/0x1f20 [ 1110.231993][T13017] netdev_register_kobject+0x1ec/0x520 [ 1110.237832][T13017] register_netdevice+0x138a/0x1cd0 [ 1110.243380][T13017] bond_newlink+0x98/0x140 [ 1110.248160][T13017] ? bond_validate+0x270/0x270 [ 1110.253283][T13017] rtnl_newlink+0x2d5f/0x4110 [ 1110.258348][T13017] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1110.264957][T13017] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1110.271129][T13017] ? rtnl_setlink+0x7f0/0x7f0 [ 1110.276122][T13017] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1110.281584][T13017] ? ref_tracker_free+0x45/0xc10 [ 1110.286829][T13017] ? filter_irq_stacks+0x60/0x1a0 [ 1110.292183][T13017] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1110.298357][T13017] ? filter_irq_stacks+0x164/0x1a0 [ 1110.303811][T13017] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1110.309976][T13017] netlink_rcv_skb+0x371/0x650 [ 1110.315078][T13017] ? rtnetlink_bind+0xf0/0xf0 [ 1110.320072][T13017] ? rtnetlink_net_exit+0x60/0x60 [ 1110.325413][T13017] rtnetlink_rcv+0x34/0x40 [ 1110.330133][T13017] netlink_unicast+0xf47/0x1250 [ 1110.335327][T13017] netlink_sendmsg+0x1238/0x13d0 [ 1110.340617][T13017] ? netlink_getsockopt+0x980/0x980 [ 1110.346152][T13017] ____sys_sendmsg+0x9c2/0xd60 [ 1110.351292][T13017] ___sys_sendmsg+0x28d/0x3c0 [ 1110.356376][T13017] ? __fget_files+0x580/0x640 [ 1110.361385][T13017] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1110.367564][T13017] __x64_sys_sendmsg+0x307/0x490 [ 1110.372869][T13017] do_syscall_64+0x44/0x110 [ 1110.377678][T13017] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1110.383965][T13017] RIP: 0033:0x7f449387cae9 [ 1110.388635][T13017] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1110.408571][T13017] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1110.417333][T13017] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1110.425591][T13017] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1110.433831][T13017] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1110.442076][T13017] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1110.450323][T13017] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1110.458593][T13017] [ 1110.469740][T13017] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1110.485910][T13017] bond10000000000 (unregistered): Released all slaves 02:10:13 executing program 0: openat$ppp(0xffffffffffffff9c, &(0x7f0000000640), 0x240, 0x0) 02:10:13 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x99010000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1110.821112][T13029] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1110.831153][T13029] CPU: 1 PID: 13029 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1110.841537][T13029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1110.851848][T13029] Call Trace: [ 1110.855332][T13029] [ 1110.858465][T13029] dump_stack_lvl+0x1bf/0x240 [ 1110.863509][T13029] dump_stack+0x1e/0x20 [ 1110.867996][T13029] sysfs_create_dir_ns+0x459/0x4c0 [ 1110.873429][T13029] ? device_release+0x2e0/0x2e0 [ 1110.878631][T13029] kobject_add_internal+0xd08/0x16a0 [ 1110.884307][T13029] kobject_add+0x28c/0x3b0 [ 1110.889114][T13029] ? kobject_put+0x1fe/0x330 [ 1110.894053][T13029] device_add+0xaa2/0x1f20 [ 1110.898819][T13029] netdev_register_kobject+0x1ec/0x520 [ 1110.904626][T13029] register_netdevice+0x138a/0x1cd0 [ 1110.910175][T13029] bond_newlink+0x98/0x140 [ 1110.914947][T13029] ? bond_validate+0x270/0x270 [ 1110.920046][T13029] rtnl_newlink+0x2d5f/0x4110 [ 1110.925060][T13029] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1110.931617][T13029] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1110.937731][T13029] ? rtnl_setlink+0x7f0/0x7f0 [ 1110.942670][T13029] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1110.948099][T13029] ? ref_tracker_free+0x45/0xc10 [ 1110.953298][T13029] ? filter_irq_stacks+0x60/0x1a0 [ 1110.958591][T13029] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1110.964711][T13029] ? filter_irq_stacks+0x164/0x1a0 [ 1110.970106][T13029] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1110.976216][T13029] netlink_rcv_skb+0x371/0x650 [ 1110.981291][T13029] ? rtnetlink_bind+0xf0/0xf0 [ 1110.986280][T13029] ? rtnetlink_net_exit+0x60/0x60 [ 1110.991594][T13029] rtnetlink_rcv+0x34/0x40 [ 1110.996292][T13029] netlink_unicast+0xf47/0x1250 [ 1111.001445][T13029] netlink_sendmsg+0x1238/0x13d0 [ 1111.006725][T13029] ? netlink_getsockopt+0x980/0x980 [ 1111.012233][T13029] ____sys_sendmsg+0x9c2/0xd60 [ 1111.017316][T13029] ___sys_sendmsg+0x28d/0x3c0 [ 1111.022285][T13029] ? __fget_files+0x580/0x640 [ 1111.027232][T13029] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1111.033349][T13029] __x64_sys_sendmsg+0x307/0x490 [ 1111.038590][T13029] do_syscall_64+0x44/0x110 [ 1111.043346][T13029] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1111.049554][T13029] RIP: 0033:0x7f9a85a7cae9 [ 1111.054197][T13029] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1111.074104][T13029] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1111.082814][T13029] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1111.091016][T13029] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1111.099205][T13029] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1111.107406][T13029] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1111.121347][T13029] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1111.129565][T13029] [ 1111.141672][T13029] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1111.157728][T13029] bond10000000000 (unregistered): Released all slaves 02:10:13 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) connect$netlink(r0, &(0x7f0000000b00), 0xc) 02:10:13 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$SMC_PNETID_GET(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_SET_MESH(r1, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000bc0)={&(0x7f0000000b80)={0x14}, 0x14}}, 0x0) 02:10:13 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x10, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1111.647318][T13039] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1111.656927][T13039] CPU: 1 PID: 13039 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1111.667318][T13039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1111.677656][T13039] Call Trace: [ 1111.681166][T13039] [ 1111.684332][T13039] dump_stack_lvl+0x1bf/0x240 [ 1111.689418][T13039] dump_stack+0x1e/0x20 [ 1111.693924][T13039] sysfs_create_dir_ns+0x459/0x4c0 [ 1111.699358][T13039] ? device_release+0x2e0/0x2e0 [ 1111.704547][T13039] kobject_add_internal+0xd08/0x16a0 [ 1111.710249][T13039] kobject_add+0x28c/0x3b0 [ 1111.715016][T13039] ? kobject_put+0x1fe/0x330 [ 1111.719936][T13039] device_add+0xaa2/0x1f20 [ 1111.724693][T13039] netdev_register_kobject+0x1ec/0x520 [ 1111.730488][T13039] register_netdevice+0x138a/0x1cd0 [ 1111.736052][T13039] bond_newlink+0x98/0x140 [ 1111.740846][T13039] ? bond_validate+0x270/0x270 [ 1111.745950][T13039] rtnl_newlink+0x2d5f/0x4110 [ 1111.751064][T13039] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1111.757685][T13039] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1111.763849][T13039] ? rtnl_setlink+0x7f0/0x7f0 [ 1111.768843][T13039] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1111.774329][T13039] ? ref_tracker_free+0x45/0xc10 [ 1111.779591][T13039] ? filter_irq_stacks+0x60/0x1a0 [ 1111.784938][T13039] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1111.791103][T13039] ? filter_irq_stacks+0x164/0x1a0 [ 1111.796562][T13039] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1111.802745][T13039] netlink_rcv_skb+0x371/0x650 [ 1111.807849][T13039] ? rtnetlink_bind+0xf0/0xf0 [ 1111.812847][T13039] ? rtnetlink_net_exit+0x60/0x60 [ 1111.818202][T13039] rtnetlink_rcv+0x34/0x40 [ 1111.822953][T13039] netlink_unicast+0xf47/0x1250 [ 1111.828198][T13039] netlink_sendmsg+0x1238/0x13d0 [ 1111.833539][T13039] ? netlink_getsockopt+0x980/0x980 [ 1111.839064][T13039] ____sys_sendmsg+0x9c2/0xd60 02:10:14 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r4, 0xffffffffffffffff, 0x0, 0x10000a006) [ 1111.844178][T13039] ___sys_sendmsg+0x28d/0x3c0 [ 1111.849204][T13039] ? __fget_files+0x580/0x640 [ 1111.854190][T13039] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1111.860351][T13039] __x64_sys_sendmsg+0x307/0x490 [ 1111.865669][T13039] do_syscall_64+0x44/0x110 [ 1111.870463][T13039] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1111.876751][T13039] RIP: 0033:0x7f449387cae9 [ 1111.881522][T13039] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1111.901475][T13039] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1111.910243][T13039] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1111.918490][T13039] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1111.926717][T13039] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1111.934948][T13039] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1111.943172][T13039] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1111.951548][T13039] [ 1111.961150][T13039] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1111.978039][T13039] bond10000000000 (unregistered): Released all slaves 02:10:14 executing program 0: r0 = socket$inet_smc(0x2b, 0x1, 0x0) ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f00000005c0)) 02:10:14 executing program 3: r0 = socket$l2tp6(0xa, 0x2, 0x73) getsockopt$inet6_mreq(r0, 0x29, 0x8, 0x0, &(0x7f00000001c0)) 02:10:14 executing program 2: bpf$MAP_CREATE(0x5, &(0x7f0000000000)=@base={0x8, 0x4}, 0x48) 02:10:14 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x11, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:14 executing program 3: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'veth0_vlan\x00', &(0x7f0000000000)=@ethtool_channels={0x27}}) 02:10:14 executing program 0: r0 = socket(0x200000100000011, 0x803, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f00000000c0)={'batadv0\x00', 0x0}) bind$packet(r0, &(0x7f0000000000)={0x11, 0x0, r2}, 0x14) write$binfmt_aout(r0, &(0x7f0000000380)=ANY=[], 0x120) 02:10:15 executing program 2: r0 = socket$packet(0x11, 0x2, 0x300) bind$packet(r0, &(0x7f0000000300)={0x11, 0x4, 0x0, 0x1, 0x0, 0x6, @local}, 0x14) [ 1112.634888][T13055] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1112.651530][T13055] CPU: 0 PID: 13055 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1112.661936][T13055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1112.672241][T13055] Call Trace: [ 1112.675696][T13055] [ 1112.678788][T13055] dump_stack_lvl+0x1bf/0x240 [ 1112.683787][T13055] dump_stack+0x1e/0x20 [ 1112.688227][T13055] sysfs_create_dir_ns+0x459/0x4c0 [ 1112.693606][T13055] ? device_release+0x2e0/0x2e0 [ 1112.698723][T13055] kobject_add_internal+0xd08/0x16a0 [ 1112.704326][T13055] kobject_add+0x28c/0x3b0 [ 1112.709103][T13055] ? kobject_put+0x1fe/0x330 [ 1112.713994][T13055] device_add+0xaa2/0x1f20 [ 1112.718692][T13055] netdev_register_kobject+0x1ec/0x520 [ 1112.724441][T13055] register_netdevice+0x138a/0x1cd0 [ 1112.729940][T13055] bond_newlink+0x98/0x140 [ 1112.734655][T13055] ? bond_validate+0x270/0x270 [ 1112.739882][T13055] rtnl_newlink+0x2d5f/0x4110 [ 1112.744915][T13055] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1112.751062][T13055] ? rtnl_setlink+0x7f0/0x7f0 [ 1112.756010][T13055] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1112.761425][T13055] ? ref_tracker_free+0x45/0xc10 [ 1112.766629][T13055] ? filter_irq_stacks+0x60/0x1a0 [ 1112.771924][T13055] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1112.778028][T13055] ? filter_irq_stacks+0x164/0x1a0 [ 1112.783422][T13055] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1112.789533][T13055] netlink_rcv_skb+0x371/0x650 [ 1112.794580][T13055] ? rtnetlink_bind+0xf0/0xf0 [ 1112.799531][T13055] ? rtnetlink_net_exit+0x60/0x60 [ 1112.804814][T13055] rtnetlink_rcv+0x34/0x40 [ 1112.809512][T13055] netlink_unicast+0xf47/0x1250 [ 1112.814641][T13055] netlink_sendmsg+0x1238/0x13d0 [ 1112.819860][T13055] ? netlink_getsockopt+0x980/0x980 [ 1112.825329][T13055] ____sys_sendmsg+0x9c2/0xd60 [ 1112.830393][T13055] ___sys_sendmsg+0x28d/0x3c0 [ 1112.835379][T13055] ? __fget_files+0x580/0x640 [ 1112.840326][T13055] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1112.846450][T13055] __x64_sys_sendmsg+0x307/0x490 [ 1112.851733][T13055] do_syscall_64+0x44/0x110 [ 1112.856491][T13055] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1112.862698][T13055] RIP: 0033:0x7f9a85a7cae9 [ 1112.867334][T13055] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1112.887212][T13055] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1112.895897][T13055] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1112.904098][T13055] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1112.912296][T13055] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1112.920584][T13055] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1112.928812][T13055] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1112.937075][T13055] [ 1112.941085][T13055] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1112.967355][T13055] bond10000000000 (unregistered): Released all slaves 02:10:15 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xd9ffffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:15 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r4, 0xffffffffffffffff, 0x0, 0x10000a006) 02:10:15 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x12, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:15 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=ANY=[@ANYBLOB="70000000300005030000000000000000000000005c000100580001000c000100736b6265646974004800028008000a00030000001800020003"], 0x70}}, 0x0) 02:10:15 executing program 0: bpf$BPF_BTF_LOAD(0x12, &(0x7f00000002c0)={&(0x7f0000000180)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x18, 0x18, 0x2, [@union={0x0, 0x1, 0x0, 0x5, 0x0, 0x0, [{0x0, 0x1}]}]}}, 0x0, 0x32}, 0x20) [ 1113.617409][T13066] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1113.627170][T13066] CPU: 1 PID: 13066 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1113.637579][T13066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1113.647896][T13066] Call Trace: [ 1113.651385][T13066] [ 1113.654546][T13066] dump_stack_lvl+0x1bf/0x240 [ 1113.659604][T13066] dump_stack+0x1e/0x20 [ 1113.664123][T13066] sysfs_create_dir_ns+0x459/0x4c0 [ 1113.669549][T13066] ? device_release+0x2e0/0x2e0 [ 1113.674725][T13066] kobject_add_internal+0xd08/0x16a0 [ 1113.680377][T13066] kobject_add+0x28c/0x3b0 [ 1113.685171][T13066] ? kobject_put+0x1fe/0x330 [ 1113.690105][T13066] device_add+0xaa2/0x1f20 [ 1113.694850][T13066] netdev_register_kobject+0x1ec/0x520 [ 1113.703271][T13066] register_netdevice+0x138a/0x1cd0 [ 1113.708818][T13066] bond_newlink+0x98/0x140 [ 1113.713607][T13066] ? bond_validate+0x270/0x270 [ 1113.718731][T13066] rtnl_newlink+0x2d5f/0x4110 [ 1113.723781][T13066] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1113.730400][T13066] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1113.736584][T13066] ? rtnl_setlink+0x7f0/0x7f0 [ 1113.741590][T13066] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1113.747099][T13066] ? ref_tracker_free+0x45/0xc10 [ 1113.752369][T13066] ? filter_irq_stacks+0x60/0x1a0 [ 1113.757735][T13066] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1113.763921][T13066] ? filter_irq_stacks+0x164/0x1a0 [ 1113.769379][T13066] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1113.775572][T13066] netlink_rcv_skb+0x371/0x650 [ 1113.780685][T13066] ? rtnetlink_bind+0xf0/0xf0 [ 1113.785712][T13066] ? rtnetlink_net_exit+0x60/0x60 [ 1113.791104][T13066] rtnetlink_rcv+0x34/0x40 [ 1113.795850][T13066] netlink_unicast+0xf47/0x1250 [ 1113.801054][T13066] netlink_sendmsg+0x1238/0x13d0 [ 1113.806347][T13066] ? netlink_getsockopt+0x980/0x980 [ 1113.811894][T13066] ____sys_sendmsg+0x9c2/0xd60 [ 1113.817025][T13066] ___sys_sendmsg+0x28d/0x3c0 [ 1113.822054][T13066] ? __fget_files+0x580/0x640 [ 1113.827063][T13066] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1113.833254][T13066] __x64_sys_sendmsg+0x307/0x490 [ 1113.838577][T13066] do_syscall_64+0x44/0x110 [ 1113.843385][T13066] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1113.849672][T13066] RIP: 0033:0x7f449387cae9 [ 1113.854350][T13066] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1113.874294][T13066] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1113.883054][T13066] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1113.891309][T13066] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1113.899555][T13066] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1113.907796][T13066] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1113.916029][T13066] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1113.924251][T13066] [ 1113.937140][T13066] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1113.953584][T13066] bond10000000000 (unregistered): Released all slaves 02:10:16 executing program 2: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'veth0_vlan\x00', &(0x7f0000000000)=@ethtool_channels={0x2b}}) 02:10:16 executing program 3: socket$inet6(0xa, 0x0, 0x401) 02:10:16 executing program 0: r0 = socket(0x18, 0x800, 0x2) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) [ 1114.186355][T13068] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1114.197200][T13068] CPU: 0 PID: 13068 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1114.207617][T13068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1114.217945][T13068] Call Trace: [ 1114.221425][T13068] [ 1114.224558][T13068] dump_stack_lvl+0x1bf/0x240 [ 1114.229605][T13068] dump_stack+0x1e/0x20 [ 1114.234113][T13068] sysfs_create_dir_ns+0x459/0x4c0 [ 1114.239538][T13068] ? device_release+0x2e0/0x2e0 [ 1114.244675][T13068] kobject_add_internal+0xd08/0x16a0 [ 1114.250267][T13068] kobject_add+0x28c/0x3b0 [ 1114.255001][T13068] ? kobject_put+0x1fe/0x330 [ 1114.259894][T13068] device_add+0xaa2/0x1f20 [ 1114.264590][T13068] netdev_register_kobject+0x1ec/0x520 [ 1114.270332][T13068] register_netdevice+0x138a/0x1cd0 [ 1114.275820][T13068] bond_newlink+0x98/0x140 [ 1114.280555][T13068] ? bond_validate+0x270/0x270 [ 1114.285641][T13068] rtnl_newlink+0x2d5f/0x4110 [ 1114.290659][T13068] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1114.296762][T13068] ? rtnl_setlink+0x7f0/0x7f0 [ 1114.301696][T13068] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1114.307108][T13068] ? ref_tracker_free+0x45/0xc10 [ 1114.312304][T13068] ? filter_irq_stacks+0x60/0x1a0 [ 1114.317600][T13068] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1114.323727][T13068] ? filter_irq_stacks+0x164/0x1a0 [ 1114.329157][T13068] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1114.335298][T13068] netlink_rcv_skb+0x371/0x650 [ 1114.340377][T13068] ? rtnetlink_bind+0xf0/0xf0 [ 1114.345346][T13068] ? rtnetlink_net_exit+0x60/0x60 [ 1114.350665][T13068] rtnetlink_rcv+0x34/0x40 [ 1114.355377][T13068] netlink_unicast+0xf47/0x1250 [ 1114.360526][T13068] netlink_sendmsg+0x1238/0x13d0 [ 1114.365756][T13068] ? netlink_getsockopt+0x980/0x980 [ 1114.371232][T13068] ____sys_sendmsg+0x9c2/0xd60 [ 1114.376310][T13068] ___sys_sendmsg+0x28d/0x3c0 [ 1114.381293][T13068] ? __fget_files+0x580/0x640 [ 1114.386291][T13068] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1114.392437][T13068] __x64_sys_sendmsg+0x307/0x490 [ 1114.397728][T13068] do_syscall_64+0x44/0x110 [ 1114.402500][T13068] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1114.408723][T13068] RIP: 0033:0x7f9a85a7cae9 [ 1114.413383][T13068] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1114.433267][T13068] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1114.441961][T13068] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1114.450174][T13068] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1114.458362][T13068] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1114.466548][T13068] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1114.474729][T13068] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1114.482958][T13068] [ 1114.494583][T13068] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1114.510700][T13068] bond10000000000 (unregistered): Released all slaves 02:10:17 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xeaffffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:17 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x1b, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:17 executing program 2: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000040)={&(0x7f00000000c0)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x18, 0x18, 0x2, [@array={0x0, 0x0, 0x0, 0x3, 0x0, {0x5}}]}}, 0x0, 0x32}, 0x20) [ 1115.001319][T13085] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1115.011433][T13085] CPU: 0 PID: 13085 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1115.021823][T13085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1115.032162][T13085] Call Trace: [ 1115.035650][T13085] [ 1115.038778][T13085] dump_stack_lvl+0x1bf/0x240 [ 1115.043827][T13085] dump_stack+0x1e/0x20 [ 1115.048328][T13085] sysfs_create_dir_ns+0x459/0x4c0 [ 1115.053762][T13085] ? device_release+0x2e0/0x2e0 [ 1115.058949][T13085] kobject_add_internal+0xd08/0x16a0 [ 1115.064604][T13085] kobject_add+0x28c/0x3b0 [ 1115.069377][T13085] ? kobject_put+0x1fe/0x330 [ 1115.074319][T13085] device_add+0xaa2/0x1f20 [ 1115.079066][T13085] netdev_register_kobject+0x1ec/0x520 [ 1115.084864][T13085] register_netdevice+0x138a/0x1cd0 [ 1115.090417][T13085] bond_newlink+0x98/0x140 [ 1115.095185][T13085] ? bond_validate+0x270/0x270 02:10:17 executing program 3: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'veth0_vlan\x00', &(0x7f0000000000)=@ethtool_channels={0x26}}) [ 1115.100303][T13085] rtnl_newlink+0x2d5f/0x4110 [ 1115.105375][T13085] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1115.111992][T13085] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1115.118149][T13085] ? rtnl_setlink+0x7f0/0x7f0 [ 1115.123137][T13085] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1115.128592][T13085] ? ref_tracker_free+0x45/0xc10 [ 1115.133878][T13085] ? filter_irq_stacks+0x60/0x1a0 [ 1115.139236][T13085] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1115.145422][T13085] ? filter_irq_stacks+0x164/0x1a0 [ 1115.150869][T13085] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1115.156991][T13085] netlink_rcv_skb+0x371/0x650 [ 1115.162038][T13085] ? rtnetlink_bind+0xf0/0xf0 [ 1115.166990][T13085] ? rtnetlink_net_exit+0x60/0x60 [ 1115.172291][T13085] rtnetlink_rcv+0x34/0x40 [ 1115.176977][T13085] netlink_unicast+0xf47/0x1250 [ 1115.182106][T13085] netlink_sendmsg+0x1238/0x13d0 [ 1115.187328][T13085] ? netlink_getsockopt+0x980/0x980 [ 1115.192816][T13085] ____sys_sendmsg+0x9c2/0xd60 [ 1115.197884][T13085] ___sys_sendmsg+0x28d/0x3c0 [ 1115.202869][T13085] ? __fget_files+0x580/0x640 [ 1115.207832][T13085] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1115.213950][T13085] __x64_sys_sendmsg+0x307/0x490 [ 1115.219221][T13085] do_syscall_64+0x44/0x110 [ 1115.223984][T13085] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1115.230197][T13085] RIP: 0033:0x7f449387cae9 [ 1115.234827][T13085] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1115.254705][T13085] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1115.263388][T13085] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1115.271585][T13085] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1115.279766][T13085] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1115.287951][T13085] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1115.296125][T13085] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1115.304340][T13085] [ 1115.320130][T13085] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1115.336333][T13085] bond10000000000 (unregistered): Released all slaves 02:10:17 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$SMC_PNETID_DEL(r0, &(0x7f0000000880)={0x0, 0x0, &(0x7f0000000840)={0x0}}, 0x85) [ 1115.604167][T13090] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1115.619017][T13090] CPU: 1 PID: 13090 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1115.629426][T13090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1115.639738][T13090] Call Trace: [ 1115.643198][T13090] [ 1115.646308][T13090] dump_stack_lvl+0x1bf/0x240 [ 1115.651304][T13090] dump_stack+0x1e/0x20 [ 1115.655748][T13090] sysfs_create_dir_ns+0x459/0x4c0 [ 1115.661124][T13090] ? device_release+0x2e0/0x2e0 [ 1115.666260][T13090] kobject_add_internal+0xd08/0x16a0 [ 1115.671848][T13090] kobject_add+0x28c/0x3b0 [ 1115.676566][T13090] ? kobject_put+0x1fe/0x330 [ 1115.681438][T13090] device_add+0xaa2/0x1f20 [ 1115.686132][T13090] netdev_register_kobject+0x1ec/0x520 [ 1115.691880][T13090] register_netdevice+0x138a/0x1cd0 [ 1115.697371][T13090] bond_newlink+0x98/0x140 [ 1115.702084][T13090] ? bond_validate+0x270/0x270 [ 1115.707145][T13090] rtnl_newlink+0x2d5f/0x4110 [ 1115.712196][T13090] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1115.718349][T13090] ? rtnl_setlink+0x7f0/0x7f0 [ 1115.723305][T13090] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1115.728742][T13090] ? ref_tracker_free+0x45/0xc10 [ 1115.733945][T13090] ? filter_irq_stacks+0x60/0x1a0 [ 1115.739249][T13090] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1115.745404][T13090] ? filter_irq_stacks+0x164/0x1a0 [ 1115.750796][T13090] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1115.756905][T13090] netlink_rcv_skb+0x371/0x650 [ 1115.761953][T13090] ? rtnetlink_bind+0xf0/0xf0 [ 1115.766907][T13090] ? rtnetlink_net_exit+0x60/0x60 [ 1115.772196][T13090] rtnetlink_rcv+0x34/0x40 [ 1115.776882][T13090] netlink_unicast+0xf47/0x1250 [ 1115.782013][T13090] netlink_sendmsg+0x1238/0x13d0 [ 1115.787243][T13090] ? netlink_getsockopt+0x980/0x980 [ 1115.792714][T13090] ____sys_sendmsg+0x9c2/0xd60 [ 1115.797788][T13090] ___sys_sendmsg+0x28d/0x3c0 [ 1115.802756][T13090] ? __fget_files+0x580/0x640 [ 1115.807704][T13090] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1115.813820][T13090] __x64_sys_sendmsg+0x307/0x490 [ 1115.819101][T13090] do_syscall_64+0x44/0x110 [ 1115.823880][T13090] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1115.830094][T13090] RIP: 0033:0x7f9a85a7cae9 [ 1115.834734][T13090] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1115.854610][T13090] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1115.863304][T13090] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1115.871499][T13090] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1115.879675][T13090] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1115.887861][T13090] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1115.896046][T13090] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1115.904267][T13090] [ 1115.908088][T13090] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1115.930915][T13090] bond10000000000 (unregistered): Released all slaves 02:10:18 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r4, 0xffffffffffffffff, 0x0, 0x10000a006) 02:10:18 executing program 2: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'veth0_vlan\x00', &(0x7f0000000000)=@ethtool_channels={0x4a}}) 02:10:18 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xedffffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:18 executing program 0: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r0, 0x89b0, &(0x7f0000000040)={'veth0_vlan\x00', &(0x7f0000000000)=@ethtool_channels={0x3d}}) 02:10:18 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x22, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1116.521528][T13104] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1116.538216][T13104] CPU: 0 PID: 13104 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1116.548625][T13104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1116.558942][T13104] Call Trace: [ 1116.562431][T13104] [ 1116.565615][T13104] dump_stack_lvl+0x1bf/0x240 [ 1116.570678][T13104] dump_stack+0x1e/0x20 [ 1116.575181][T13104] sysfs_create_dir_ns+0x459/0x4c0 [ 1116.580610][T13104] ? device_release+0x2e0/0x2e0 [ 1116.585796][T13104] kobject_add_internal+0xd08/0x16a0 [ 1116.591424][T13104] kobject_add+0x28c/0x3b0 [ 1116.596201][T13104] ? kobject_put+0x1fe/0x330 [ 1116.601134][T13104] device_add+0xaa2/0x1f20 [ 1116.605877][T13104] netdev_register_kobject+0x1ec/0x520 [ 1116.613971][T13104] register_netdevice+0x138a/0x1cd0 02:10:19 executing program 3: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'veth0_vlan\x00', &(0x7f0000000000)=@ethtool_channels={0x2}}) [ 1116.619520][T13104] bond_newlink+0x98/0x140 [ 1116.624299][T13104] ? bond_validate+0x270/0x270 [ 1116.629409][T13104] rtnl_newlink+0x2d5f/0x4110 [ 1116.634479][T13104] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1116.641094][T13104] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1116.647257][T13104] ? rtnl_setlink+0x7f0/0x7f0 [ 1116.652243][T13104] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1116.657703][T13104] ? ref_tracker_free+0x45/0xc10 [ 1116.662948][T13104] ? filter_irq_stacks+0x60/0x1a0 [ 1116.668289][T13104] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1116.674457][T13104] ? filter_irq_stacks+0x164/0x1a0 [ 1116.679906][T13104] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1116.686127][T13104] netlink_rcv_skb+0x371/0x650 [ 1116.691231][T13104] ? rtnetlink_bind+0xf0/0xf0 [ 1116.696200][T13104] ? rtnetlink_net_exit+0x60/0x60 [ 1116.701522][T13104] rtnetlink_rcv+0x34/0x40 [ 1116.706238][T13104] netlink_unicast+0xf47/0x1250 [ 1116.711369][T13104] netlink_sendmsg+0x1238/0x13d0 [ 1116.716591][T13104] ? netlink_getsockopt+0x980/0x980 [ 1116.722061][T13104] ____sys_sendmsg+0x9c2/0xd60 [ 1116.727119][T13104] ___sys_sendmsg+0x28d/0x3c0 [ 1116.732082][T13104] ? __fget_files+0x580/0x640 [ 1116.737036][T13104] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1116.743194][T13104] __x64_sys_sendmsg+0x307/0x490 [ 1116.748440][T13104] do_syscall_64+0x44/0x110 [ 1116.753218][T13104] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1116.759422][T13104] RIP: 0033:0x7f449387cae9 [ 1116.764051][T13104] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1116.783930][T13104] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1116.792711][T13104] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1116.800920][T13104] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1116.809100][T13104] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1116.817285][T13104] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1116.825462][T13104] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1116.833683][T13104] [ 1116.840564][T13104] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1116.863581][T13104] bond10000000000 (unregistered): Released all slaves 02:10:19 executing program 2: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'veth0_vlan\x00', &(0x7f0000000000)=@ethtool_channels={0x51}}) 02:10:19 executing program 0: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'veth0_vlan\x00', &(0x7f0000000000)=@ethtool_channels={0x43}}) [ 1117.112391][T13106] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1117.122073][T13106] CPU: 1 PID: 13106 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1117.132463][T13106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1117.142776][T13106] Call Trace: [ 1117.146258][T13106] [ 1117.149378][T13106] dump_stack_lvl+0x1bf/0x240 [ 1117.154418][T13106] dump_stack+0x1e/0x20 [ 1117.158926][T13106] sysfs_create_dir_ns+0x459/0x4c0 [ 1117.164369][T13106] ? device_release+0x2e0/0x2e0 [ 1117.169551][T13106] kobject_add_internal+0xd08/0x16a0 [ 1117.175214][T13106] kobject_add+0x28c/0x3b0 [ 1117.180001][T13106] ? kobject_put+0x1fe/0x330 [ 1117.184943][T13106] device_add+0xaa2/0x1f20 [ 1117.189704][T13106] netdev_register_kobject+0x1ec/0x520 [ 1117.195497][T13106] register_netdevice+0x138a/0x1cd0 [ 1117.201049][T13106] bond_newlink+0x98/0x140 [ 1117.205829][T13106] ? bond_validate+0x270/0x270 [ 1117.210954][T13106] rtnl_newlink+0x2d5f/0x4110 [ 1117.216053][T13106] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1117.222285][T13106] ? rtnl_setlink+0x7f0/0x7f0 [ 1117.227291][T13106] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1117.232842][T13106] ? ref_tracker_free+0x45/0xc10 [ 1117.238097][T13106] ? filter_irq_stacks+0x60/0x1a0 [ 1117.243452][T13106] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1117.249614][T13106] ? filter_irq_stacks+0x164/0x1a0 [ 1117.255065][T13106] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1117.261249][T13106] netlink_rcv_skb+0x371/0x650 [ 1117.266361][T13106] ? rtnetlink_bind+0xf0/0xf0 [ 1117.271366][T13106] ? rtnetlink_net_exit+0x60/0x60 [ 1117.276705][T13106] rtnetlink_rcv+0x34/0x40 [ 1117.281440][T13106] netlink_unicast+0xf47/0x1250 [ 1117.286636][T13106] netlink_sendmsg+0x1238/0x13d0 [ 1117.291919][T13106] ? netlink_getsockopt+0x980/0x980 [ 1117.297441][T13106] ____sys_sendmsg+0x9c2/0xd60 [ 1117.302548][T13106] ___sys_sendmsg+0x28d/0x3c0 [ 1117.307573][T13106] ? __fget_files+0x580/0x640 [ 1117.312563][T13106] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1117.318730][T13106] __x64_sys_sendmsg+0x307/0x490 [ 1117.324042][T13106] do_syscall_64+0x44/0x110 [ 1117.328851][T13106] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1117.335136][T13106] RIP: 0033:0x7f9a85a7cae9 [ 1117.339813][T13106] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1117.359766][T13106] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1117.368558][T13106] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1117.376788][T13106] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1117.385030][T13106] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1117.393273][T13106] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1117.401563][T13106] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1117.409849][T13106] [ 1117.423025][T13106] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1117.439173][T13106] bond10000000000 (unregistered): Released all slaves 02:10:19 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x0) 02:10:19 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xf0ffffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:20 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x25, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:20 executing program 0: bpf$MAP_CREATE(0x5, &(0x7f0000000000)=@base={0x1c, 0x4}, 0x48) 02:10:20 executing program 3: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000080)=@bloom_filter={0x1e, 0x0, 0xfffffffb, 0x95d5, 0x0, 0x1}, 0x48) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000300)={r0, 0x58, &(0x7f0000000280)}, 0x10) 02:10:20 executing program 2: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0xd, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0}, 0x90) 02:10:20 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xf3ffffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1118.215785][T13126] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1118.227335][T13126] CPU: 0 PID: 13126 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1118.237740][T13126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1118.248065][T13126] Call Trace: [ 1118.251546][T13126] [ 1118.254672][T13126] dump_stack_lvl+0x1bf/0x240 [ 1118.259724][T13126] dump_stack+0x1e/0x20 [ 1118.264229][T13126] sysfs_create_dir_ns+0x459/0x4c0 [ 1118.269679][T13126] ? device_release+0x2e0/0x2e0 [ 1118.274846][T13126] kobject_add_internal+0xd08/0x16a0 [ 1118.280487][T13126] kobject_add+0x28c/0x3b0 [ 1118.285259][T13126] ? kobject_put+0x1fe/0x330 [ 1118.290193][T13126] device_add+0xaa2/0x1f20 [ 1118.294938][T13126] netdev_register_kobject+0x1ec/0x520 [ 1118.300728][T13126] register_netdevice+0x138a/0x1cd0 [ 1118.306261][T13126] bond_newlink+0x98/0x140 [ 1118.311016][T13126] ? bond_validate+0x270/0x270 [ 1118.316113][T13126] rtnl_newlink+0x2d5f/0x4110 [ 1118.321178][T13126] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1118.327782][T13126] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1118.333959][T13126] ? rtnl_setlink+0x7f0/0x7f0 [ 1118.338934][T13126] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1118.344392][T13126] ? ref_tracker_free+0x45/0xc10 [ 1118.349647][T13126] ? filter_irq_stacks+0x60/0x1a0 [ 1118.355014][T13126] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1118.361189][T13126] ? filter_irq_stacks+0x164/0x1a0 [ 1118.366638][T13126] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1118.372815][T13126] netlink_rcv_skb+0x371/0x650 [ 1118.377963][T13126] ? rtnetlink_bind+0xf0/0xf0 [ 1118.382985][T13126] ? rtnetlink_net_exit+0x60/0x60 [ 1118.388348][T13126] rtnetlink_rcv+0x34/0x40 [ 1118.393112][T13126] netlink_unicast+0xf47/0x1250 [ 1118.398300][T13126] netlink_sendmsg+0x1238/0x13d0 [ 1118.403570][T13126] ? netlink_getsockopt+0x980/0x980 [ 1118.409100][T13126] ____sys_sendmsg+0x9c2/0xd60 [ 1118.414226][T13126] ___sys_sendmsg+0x28d/0x3c0 [ 1118.419244][T13126] ? __fget_files+0x580/0x640 [ 1118.424242][T13126] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1118.430416][T13126] __x64_sys_sendmsg+0x307/0x490 [ 1118.435716][T13126] do_syscall_64+0x44/0x110 [ 1118.440512][T13126] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1118.446781][T13126] RIP: 0033:0x7f9a85a7cae9 [ 1118.451460][T13126] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1118.473231][T13126] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1118.481987][T13126] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1118.490250][T13126] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1118.498476][T13126] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1118.506719][T13126] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:10:20 executing program 2: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'veth0_vlan\x00', &(0x7f0000000000)=@ethtool_channels={0x3d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd28}}) [ 1118.514948][T13126] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1118.523215][T13126] [ 1118.534437][T13126] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1118.550688][T13126] bond10000000000 (unregistered): Released all slaves 02:10:21 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x0) 02:10:21 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$sock(r0, &(0x7f0000005a40)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000014c0)=[@txtime={{0x18}}], 0x18}}], 0x1, 0x0) 02:10:21 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xfe030000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:21 executing program 3: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x14}, 0x14}}, 0x0) 02:10:21 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x2f, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1119.263356][T13147] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1119.273726][T13147] CPU: 1 PID: 13147 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1119.284112][T13147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1119.294439][T13147] Call Trace: [ 1119.298060][T13147] [ 1119.301192][T13147] dump_stack_lvl+0x1bf/0x240 [ 1119.306229][T13147] dump_stack+0x1e/0x20 [ 1119.310749][T13147] sysfs_create_dir_ns+0x459/0x4c0 [ 1119.316177][T13147] ? device_release+0x2e0/0x2e0 [ 1119.321360][T13147] kobject_add_internal+0xd08/0x16a0 [ 1119.327020][T13147] kobject_add+0x28c/0x3b0 [ 1119.331783][T13147] ? kobject_put+0x1fe/0x330 [ 1119.336715][T13147] device_add+0xaa2/0x1f20 [ 1119.341474][T13147] netdev_register_kobject+0x1ec/0x520 [ 1119.347291][T13147] register_netdevice+0x138a/0x1cd0 [ 1119.352843][T13147] bond_newlink+0x98/0x140 [ 1119.357623][T13147] ? bond_validate+0x270/0x270 [ 1119.362726][T13147] rtnl_newlink+0x2d5f/0x4110 [ 1119.367783][T13147] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1119.374389][T13147] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1119.380562][T13147] ? rtnl_setlink+0x7f0/0x7f0 [ 1119.385584][T13147] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1119.391058][T13147] ? ref_tracker_free+0x45/0xc10 [ 1119.396311][T13147] ? filter_irq_stacks+0x60/0x1a0 [ 1119.401655][T13147] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1119.407809][T13147] ? filter_irq_stacks+0x164/0x1a0 [ 1119.413218][T13147] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1119.419357][T13147] netlink_rcv_skb+0x371/0x650 [ 1119.424415][T13147] ? rtnetlink_bind+0xf0/0xf0 [ 1119.429368][T13147] ? rtnetlink_net_exit+0x60/0x60 [ 1119.434666][T13147] rtnetlink_rcv+0x34/0x40 [ 1119.439346][T13147] netlink_unicast+0xf47/0x1250 [ 1119.444500][T13147] netlink_sendmsg+0x1238/0x13d0 [ 1119.449742][T13147] ? netlink_getsockopt+0x980/0x980 [ 1119.455211][T13147] ____sys_sendmsg+0x9c2/0xd60 [ 1119.460276][T13147] ___sys_sendmsg+0x28d/0x3c0 [ 1119.465252][T13147] ? __fget_files+0x580/0x640 [ 1119.470198][T13147] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1119.476314][T13147] __x64_sys_sendmsg+0x307/0x490 [ 1119.481557][T13147] do_syscall_64+0x44/0x110 [ 1119.486308][T13147] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1119.492517][T13147] RIP: 0033:0x7f449387cae9 [ 1119.497153][T13147] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1119.517069][T13147] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1119.525801][T13147] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1119.534008][T13147] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1119.542221][T13147] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1119.550452][T13147] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1119.558655][T13147] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1119.566881][T13147] [ 1119.576206][T13147] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1119.592291][T13147] bond10000000000 (unregistered): Released all slaves 02:10:22 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) syz_genetlink_get_family_id$smc(&(0x7f0000000080), r0) 02:10:22 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000340)={'vlan1\x00', &(0x7f0000000300)=@ethtool_gstrings={0x1b, 0x6}}) 02:10:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet6_buf(r0, 0x29, 0x33, 0x0, &(0x7f0000000000)) 02:10:22 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000280)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="48040000", @ANYRES16=r3, @ANYBLOB="01e5ff000004000004003b1c210008000300", @ANYRES32=r2, @ANYBLOB="2c0433005000de295b3acba52ee4080211000001505050505050"], 0x448}}, 0x0) preadv(r0, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffffff000}], 0x5, 0x0, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000240)=ANY=[], 0x3af4701e) sendfile(r5, r4, 0x0, 0x0) [ 1119.929939][T13154] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 02:10:22 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xff600000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1120.070618][T13158] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1120.082414][T13158] CPU: 0 PID: 13158 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1120.092805][T13158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1120.103096][T13158] Call Trace: [ 1120.106546][T13158] [ 1120.109645][T13158] dump_stack_lvl+0x1bf/0x240 [ 1120.114659][T13158] dump_stack+0x1e/0x20 [ 1120.119226][T13158] sysfs_create_dir_ns+0x459/0x4c0 [ 1120.124609][T13158] ? device_release+0x2e0/0x2e0 [ 1120.129736][T13158] kobject_add_internal+0xd08/0x16a0 [ 1120.135376][T13158] kobject_add+0x28c/0x3b0 [ 1120.140102][T13158] ? kobject_put+0x1fe/0x330 [ 1120.144983][T13158] device_add+0xaa2/0x1f20 [ 1120.149678][T13158] netdev_register_kobject+0x1ec/0x520 [ 1120.155427][T13158] register_netdevice+0x138a/0x1cd0 [ 1120.160918][T13158] bond_newlink+0x98/0x140 [ 1120.165630][T13158] ? bond_validate+0x270/0x270 [ 1120.170700][T13158] rtnl_newlink+0x2d5f/0x4110 [ 1120.175711][T13158] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1120.182260][T13158] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1120.188388][T13158] ? rtnl_setlink+0x7f0/0x7f0 [ 1120.193355][T13158] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1120.198775][T13158] ? ref_tracker_free+0x45/0xc10 [ 1120.203991][T13158] ? filter_irq_stacks+0x60/0x1a0 [ 1120.209322][T13158] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1120.215438][T13158] ? filter_irq_stacks+0x164/0x1a0 [ 1120.220850][T13158] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1120.227000][T13158] netlink_rcv_skb+0x371/0x650 [ 1120.232052][T13158] ? rtnetlink_bind+0xf0/0xf0 [ 1120.237012][T13158] ? rtnetlink_net_exit+0x60/0x60 [ 1120.242329][T13158] rtnetlink_rcv+0x34/0x40 [ 1120.247026][T13158] netlink_unicast+0xf47/0x1250 [ 1120.252168][T13158] netlink_sendmsg+0x1238/0x13d0 [ 1120.257410][T13158] ? netlink_getsockopt+0x980/0x980 [ 1120.262918][T13158] ____sys_sendmsg+0x9c2/0xd60 [ 1120.268133][T13158] ___sys_sendmsg+0x28d/0x3c0 [ 1120.273124][T13158] ? __fget_files+0x580/0x640 [ 1120.278063][T13158] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1120.284200][T13158] __x64_sys_sendmsg+0x307/0x490 [ 1120.289447][T13158] do_syscall_64+0x44/0x110 [ 1120.294234][T13158] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1120.300464][T13158] RIP: 0033:0x7f9a85a7cae9 [ 1120.305094][T13158] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1120.324986][T13158] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1120.333692][T13158] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1120.341919][T13158] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1120.350125][T13158] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1120.358432][T13158] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1120.366620][T13158] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1120.374841][T13158] [ 1120.378859][T13158] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1120.405507][T13158] bond10000000000 (unregistered): Released all slaves 02:10:22 executing program 0: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r0, 0xc0189436, &(0x7f0000000040)={'veth0_vlan\x00', &(0x7f0000000000)=@ethtool_channels}) 02:10:22 executing program 3: socket$packet(0x11, 0x3, 0x300) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_SET_LINK_TOL(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000400)={0x68, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x4c, 0x18, {0x0, @media='udp\x00'}}}}, 0x68}}, 0x0) 02:10:23 executing program 2: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000400)={&(0x7f00000001c0)=ANY=[@ANYBLOB="9feb01001800000000000000040100000401000004000000000000000500000d"], 0x0, 0x120, 0x0, 0x1}, 0x20) [ 1120.645483][T13165] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1120.655090][T13165] CPU: 0 PID: 13165 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1120.665478][T13165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1120.675773][T13165] Call Trace: [ 1120.679215][T13165] [ 1120.682321][T13165] dump_stack_lvl+0x1bf/0x240 [ 1120.687316][T13165] dump_stack+0x1e/0x20 [ 1120.691780][T13165] sysfs_create_dir_ns+0x459/0x4c0 [ 1120.697159][T13165] ? device_release+0x2e0/0x2e0 [ 1120.702292][T13165] kobject_add_internal+0xd08/0x16a0 [ 1120.707885][T13165] kobject_add+0x28c/0x3b0 [ 1120.712597][T13165] ? kobject_put+0x1fe/0x330 [ 1120.717483][T13165] device_add+0xaa2/0x1f20 [ 1120.722180][T13165] netdev_register_kobject+0x1ec/0x520 [ 1120.727927][T13165] register_netdevice+0x138a/0x1cd0 [ 1120.733430][T13165] bond_newlink+0x98/0x140 [ 1120.738174][T13165] ? bond_validate+0x270/0x270 [ 1120.743234][T13165] rtnl_newlink+0x2d5f/0x4110 [ 1120.748268][T13165] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1120.754817][T13165] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1120.760916][T13165] ? rtnl_setlink+0x7f0/0x7f0 [ 1120.765854][T13165] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1120.771328][T13165] ? ref_tracker_free+0x45/0xc10 [ 1120.776535][T13165] ? filter_irq_stacks+0x60/0x1a0 [ 1120.781839][T13165] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1120.787940][T13165] ? filter_irq_stacks+0x164/0x1a0 [ 1120.793342][T13165] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1120.799449][T13165] netlink_rcv_skb+0x371/0x650 [ 1120.804495][T13165] ? rtnetlink_bind+0xf0/0xf0 [ 1120.809445][T13165] ? rtnetlink_net_exit+0x60/0x60 [ 1120.814737][T13165] rtnetlink_rcv+0x34/0x40 [ 1120.819421][T13165] netlink_unicast+0xf47/0x1250 [ 1120.824573][T13165] netlink_sendmsg+0x1238/0x13d0 [ 1120.829797][T13165] ? netlink_getsockopt+0x980/0x980 [ 1120.835284][T13165] ____sys_sendmsg+0x9c2/0xd60 [ 1120.840379][T13165] ___sys_sendmsg+0x28d/0x3c0 [ 1120.845354][T13165] ? __fget_files+0x580/0x640 [ 1120.850300][T13165] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1120.856412][T13165] __x64_sys_sendmsg+0x307/0x490 [ 1120.861653][T13165] do_syscall_64+0x44/0x110 [ 1120.866407][T13165] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1120.872618][T13165] RIP: 0033:0x7f449387cae9 [ 1120.877263][T13165] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1120.897142][T13165] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1120.905834][T13165] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1120.914035][T13165] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1120.922219][T13165] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1120.931285][T13165] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1120.939469][T13165] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1120.947692][T13165] [ 1120.959267][T13165] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1120.975623][T13165] bond10000000000 (unregistered): Released all slaves 02:10:23 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x3a, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:23 executing program 3: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'veth0_vlan\x00', &(0x7f0000000000)=@ethtool_channels={0x1d}}) 02:10:23 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$netlink_NETLINK_PKTINFO(r0, 0x10e, 0x3, &(0x7f00000006c0)=0x101, 0x4) 02:10:23 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xff7f0000, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:23 executing program 5: bpf$MAP_CREATE(0x0, &(0x7f0000000800)=@base={0xf, 0x4, 0x0, 0x10000, 0x0, 0x1}, 0x48) 02:10:24 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$sock_SIOCETHTOOL(r0, 0x5411, &(0x7f0000000080)={'veth0_vlan\x00', 0x0}) [ 1121.615213][T13177] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1121.626617][T13177] CPU: 0 PID: 13177 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1121.637009][T13177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1121.647323][T13177] Call Trace: [ 1121.650809][T13177] [ 1121.653949][T13177] dump_stack_lvl+0x1bf/0x240 [ 1121.659003][T13177] dump_stack+0x1e/0x20 [ 1121.663512][T13177] sysfs_create_dir_ns+0x459/0x4c0 [ 1121.668940][T13177] ? device_release+0x2e0/0x2e0 [ 1121.674117][T13177] kobject_add_internal+0xd08/0x16a0 [ 1121.679737][T13177] kobject_add+0x28c/0x3b0 [ 1121.684516][T13177] ? kobject_put+0x1fe/0x330 [ 1121.689441][T13177] device_add+0xaa2/0x1f20 [ 1121.694183][T13177] netdev_register_kobject+0x1ec/0x520 [ 1121.699979][T13177] register_netdevice+0x138a/0x1cd0 [ 1121.705533][T13177] bond_newlink+0x98/0x140 [ 1121.710314][T13177] ? bond_validate+0x270/0x270 [ 1121.715429][T13177] rtnl_newlink+0x2d5f/0x4110 [ 1121.720507][T13177] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1121.726673][T13177] ? rtnl_setlink+0x7f0/0x7f0 [ 1121.731666][T13177] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1121.737139][T13177] ? ref_tracker_free+0x45/0xc10 [ 1121.742381][T13177] ? filter_irq_stacks+0x60/0x1a0 [ 1121.747732][T13177] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1121.753910][T13177] ? filter_irq_stacks+0x164/0x1a0 [ 1121.759362][T13177] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1121.765542][T13177] netlink_rcv_skb+0x371/0x650 [ 1121.770657][T13177] ? rtnetlink_bind+0xf0/0xf0 [ 1121.775660][T13177] ? rtnetlink_net_exit+0x60/0x60 [ 1121.781024][T13177] rtnetlink_rcv+0x34/0x40 [ 1121.785766][T13177] netlink_unicast+0xf47/0x1250 [ 1121.790968][T13177] netlink_sendmsg+0x1238/0x13d0 [ 1121.796255][T13177] ? netlink_getsockopt+0x980/0x980 [ 1121.801783][T13177] ____sys_sendmsg+0x9c2/0xd60 [ 1121.806910][T13177] ___sys_sendmsg+0x28d/0x3c0 [ 1121.811964][T13177] ? __fget_files+0x580/0x640 [ 1121.816954][T13177] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1121.823112][T13177] __x64_sys_sendmsg+0x307/0x490 [ 1121.828408][T13177] do_syscall_64+0x44/0x110 [ 1121.833165][T13177] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1121.839405][T13177] RIP: 0033:0x7f9a85a7cae9 [ 1121.844044][T13177] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1121.863926][T13177] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1121.872642][T13177] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1121.880859][T13177] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1121.889052][T13177] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1121.897365][T13177] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1121.905547][T13177] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1121.913767][T13177] 02:10:24 executing program 3: bpf$MAP_CREATE(0x11, &(0x7f0000000080)=@bloom_filter={0x1e, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x48) [ 1121.925137][T13177] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1121.941247][T13177] bond10000000000 (unregistered): Released all slaves 02:10:24 executing program 0: bpf$MAP_CREATE(0x2, &(0x7f0000000080)=@bloom_filter={0x1e, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x48) [ 1122.138580][T13180] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1122.148156][T13180] CPU: 1 PID: 13180 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1122.158608][T13180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1122.168887][T13180] Call Trace: [ 1122.172342][T13180] [ 1122.175433][T13180] dump_stack_lvl+0x1bf/0x240 [ 1122.180421][T13180] dump_stack+0x1e/0x20 [ 1122.184859][T13180] sysfs_create_dir_ns+0x459/0x4c0 [ 1122.190246][T13180] ? device_release+0x2e0/0x2e0 [ 1122.195381][T13180] kobject_add_internal+0xd08/0x16a0 [ 1122.200968][T13180] kobject_add+0x28c/0x3b0 [ 1122.205674][T13180] ? kobject_put+0x1fe/0x330 [ 1122.210540][T13180] device_add+0xaa2/0x1f20 [ 1122.215243][T13180] netdev_register_kobject+0x1ec/0x520 [ 1122.220985][T13180] register_netdevice+0x138a/0x1cd0 [ 1122.226473][T13180] bond_newlink+0x98/0x140 [ 1122.231179][T13180] ? bond_validate+0x270/0x270 [ 1122.236233][T13180] rtnl_newlink+0x2d5f/0x4110 [ 1122.241245][T13180] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1122.247345][T13180] ? rtnl_setlink+0x7f0/0x7f0 [ 1122.252281][T13180] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1122.257711][T13180] ? ref_tracker_free+0x45/0xc10 [ 1122.262963][T13180] ? filter_irq_stacks+0x60/0x1a0 [ 1122.268308][T13180] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1122.274466][T13180] ? filter_irq_stacks+0x164/0x1a0 [ 1122.279868][T13180] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1122.285971][T13180] netlink_rcv_skb+0x371/0x650 [ 1122.291012][T13180] ? rtnetlink_bind+0xf0/0xf0 [ 1122.295960][T13180] ? rtnetlink_net_exit+0x60/0x60 [ 1122.301243][T13180] rtnetlink_rcv+0x34/0x40 [ 1122.305926][T13180] netlink_unicast+0xf47/0x1250 [ 1122.311047][T13180] netlink_sendmsg+0x1238/0x13d0 [ 1122.316263][T13180] ? netlink_getsockopt+0x980/0x980 [ 1122.321772][T13180] ____sys_sendmsg+0x9c2/0xd60 [ 1122.326958][T13180] ___sys_sendmsg+0x28d/0x3c0 [ 1122.331971][T13180] ? __fget_files+0x580/0x640 [ 1122.336918][T13180] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1122.343033][T13180] __x64_sys_sendmsg+0x307/0x490 [ 1122.348286][T13180] do_syscall_64+0x44/0x110 [ 1122.353078][T13180] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1122.359320][T13180] RIP: 0033:0x7f449387cae9 [ 1122.363959][T13180] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1122.383850][T13180] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1122.392564][T13180] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1122.400786][T13180] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1122.408977][T13180] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1122.417285][T13180] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1122.425508][T13180] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1122.433764][T13180] [ 1122.446159][T13180] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1122.462345][T13180] bond10000000000 (unregistered): Released all slaves 02:10:24 executing program 5: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'veth0_vlan\x00', &(0x7f0000000000)=@ethtool_channels={0x5}}) 02:10:25 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$SMC_PNETID_ADD(r0, &(0x7f0000001040)={&(0x7f0000000f40), 0xc, &(0x7f0000001000)={0x0}}, 0x0) 02:10:25 executing program 3: r0 = socket$nl_crypto(0x10, 0x3, 0x15) getsockname$netlink(r0, &(0x7f0000000ac0), &(0x7f0000000b00)=0xc) 02:10:25 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x48, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:25 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xffffa888, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:25 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x0) [ 1123.245616][T13198] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1123.255186][T13198] CPU: 0 PID: 13198 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1123.265564][T13198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1123.275871][T13198] Call Trace: [ 1123.279359][T13198] [ 1123.282490][T13198] dump_stack_lvl+0x1bf/0x240 [ 1123.287542][T13198] dump_stack+0x1e/0x20 [ 1123.292052][T13198] sysfs_create_dir_ns+0x459/0x4c0 [ 1123.297479][T13198] ? device_release+0x2e0/0x2e0 [ 1123.302647][T13198] kobject_add_internal+0xd08/0x16a0 [ 1123.308300][T13198] kobject_add+0x28c/0x3b0 [ 1123.313085][T13198] ? kobject_put+0x1fe/0x330 [ 1123.318022][T13198] device_add+0xaa2/0x1f20 [ 1123.322771][T13198] netdev_register_kobject+0x1ec/0x520 [ 1123.328578][T13198] register_netdevice+0x138a/0x1cd0 [ 1123.334127][T13198] bond_newlink+0x98/0x140 [ 1123.338892][T13198] ? bond_validate+0x270/0x270 [ 1123.344081][T13198] rtnl_newlink+0x2d5f/0x4110 [ 1123.349154][T13198] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1123.355757][T13198] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1123.361917][T13198] ? rtnl_setlink+0x7f0/0x7f0 [ 1123.366919][T13198] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1123.372414][T13198] ? ref_tracker_free+0x45/0xc10 [ 1123.377678][T13198] ? filter_irq_stacks+0x60/0x1a0 [ 1123.383028][T13198] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1123.389154][T13198] ? filter_irq_stacks+0x164/0x1a0 [ 1123.394577][T13198] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1123.400726][T13198] netlink_rcv_skb+0x371/0x650 [ 1123.405778][T13198] ? rtnetlink_bind+0xf0/0xf0 [ 1123.410732][T13198] ? rtnetlink_net_exit+0x60/0x60 [ 1123.416022][T13198] rtnetlink_rcv+0x34/0x40 [ 1123.420702][T13198] netlink_unicast+0xf47/0x1250 [ 1123.425831][T13198] netlink_sendmsg+0x1238/0x13d0 [ 1123.431055][T13198] ? netlink_getsockopt+0x980/0x980 [ 1123.436538][T13198] ____sys_sendmsg+0x9c2/0xd60 [ 1123.441659][T13198] ___sys_sendmsg+0x28d/0x3c0 [ 1123.446626][T13198] ? __fget_files+0x580/0x640 [ 1123.451572][T13198] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1123.457715][T13198] __x64_sys_sendmsg+0x307/0x490 [ 1123.462965][T13198] do_syscall_64+0x44/0x110 [ 1123.467715][T13198] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1123.473968][T13198] RIP: 0033:0x7f9a85a7cae9 [ 1123.478603][T13198] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1123.498484][T13198] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1123.507175][T13198] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1123.515374][T13198] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1123.523568][T13198] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1123.531750][T13198] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:10:25 executing program 2: pipe(&(0x7f0000000000)={0xffffffffffffffff}) syz_genetlink_get_family_id$mptcp(&(0x7f0000000200), r0) 02:10:26 executing program 0: pipe(&(0x7f0000000540)) bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f00000004c0), 0x8f) [ 1123.540077][T13198] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1123.548310][T13198] [ 1123.562436][T13198] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1123.578592][T13198] bond10000000000 (unregistered): Released all slaves 02:10:26 executing program 5: r0 = socket$rxrpc(0x21, 0x2, 0xa) bind$rxrpc(r0, &(0x7f00000002c0)=@in4={0x21, 0x3, 0x2, 0x10, {0x2, 0x0, @remote}}, 0x24) 02:10:26 executing program 3: syz_clone3(&(0x7f0000000680)={0x41000000, 0x0, 0x0, 0x0, {}, 0x0, 0x0, &(0x7f0000000580)=""/151, 0x0}, 0x58) 02:10:26 executing program 2: r0 = accept$packet(0xffffffffffffffff, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000040)=0x14) bind$packet(0xffffffffffffffff, &(0x7f0000000080)={0x11, 0x1a, 0x0, 0x1, 0xfd, 0x6, @broadcast}, 0x14) r2 = openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0), 0x100, 0x0) setsockopt$packet_buf(r2, 0x107, 0x1, &(0x7f0000000100)="c84076c5a8a10ceb006e13ebf453d386159d70cd03857ce905de45f929d6ef665ab4d34fc9e5c453ba38f720c39b54005b9d77dcf214f7428cbc0bc655bceac351ed6aa7c11a378052cdf9a1014d2c39e4a464b1e91cf725e063998eaae9378452e3be0a947133295c7056dbbd1c7e1d6b00f9981c1fcb2fa36aaa628c89", 0x7e) r3 = accept4$packet(r0, &(0x7f0000000180)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f00000001c0)=0x14, 0x0) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000200)={0x2, 0x2}, 0x4) r4 = eventfd(0x9) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, &(0x7f0000000240)) r5 = accept4$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14, 0x180000) getsockname$packet(r5, &(0x7f0000000300)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, &(0x7f0000000340)=0x14) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000400)={'ip6tnl0\x00', &(0x7f0000000380)={'ip6_vti0\x00', r1, 0x4, 0x7, 0x6, 0x6ae4, 0xc, @mcast2, @empty, 0x80, 0x10, 0x4, 0x4}}) r6 = accept$packet(r5, &(0x7f0000000440), &(0x7f0000000480)=0x14) ioctl$BTRFS_IOC_BALANCE_V2(0xffffffffffffffff, 0xc4009420, &(0x7f00000004c0)={0x10, 0xf, {0x4, @struct={0x3, 0x8}, 0x0, 0x7, 0x5ce, 0x1, 0x40, 0x8000000000000000, 0x410, @struct={0xffff, 0xfffffffe}, 0xfffffffc, 0x81, [0x8, 0x1c0000000000, 0x8d8, 0x96f, 0x0, 0x3000000000000]}, {0x0, @struct={0xba32}, 0x0, 0x6, 0x8, 0xfffffffffffffffe, 0xa7af, 0x2d590716, 0xa2, @struct={0x7fffffff, 0x3}, 0x5, 0x10001, [0x1, 0xbdd, 0x7, 0x81, 0x7, 0x7]}, {0x7, @usage=0x1f, 0x0, 0x100, 0x5, 0x7, 0x7, 0x9, 0x0, @usage=0xfffffffffffff800, 0x8, 0x0, [0x2, 0x7, 0x3442bfc1, 0x1, 0x2, 0x2aa22692]}, {0x112, 0x3, 0x36}}) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f00000008c0)={'wg0\x00', 0x0}) setsockopt$packet_drop_memb(r6, 0x107, 0x2, &(0x7f0000000900)={r7, 0x1, 0x6, @broadcast}, 0x10) getsockopt$packet_buf(r5, 0x107, 0xb, &(0x7f0000000940)=""/236, &(0x7f0000000a40)=0xec) io_setup(0x100, &(0x7f0000000b80)) [ 1124.015584][T13202] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1124.025548][T13202] CPU: 1 PID: 13202 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1124.035940][T13202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1124.046255][T13202] Call Trace: [ 1124.049748][T13202] [ 1124.052890][T13202] dump_stack_lvl+0x1bf/0x240 [ 1124.057934][T13202] dump_stack+0x1e/0x20 [ 1124.062430][T13202] sysfs_create_dir_ns+0x459/0x4c0 [ 1124.067851][T13202] ? device_release+0x2e0/0x2e0 [ 1124.073075][T13202] kobject_add_internal+0xd08/0x16a0 [ 1124.078728][T13202] kobject_add+0x28c/0x3b0 [ 1124.083515][T13202] ? kobject_put+0x1fe/0x330 [ 1124.088436][T13202] device_add+0xaa2/0x1f20 [ 1124.093188][T13202] netdev_register_kobject+0x1ec/0x520 [ 1124.098995][T13202] register_netdevice+0x138a/0x1cd0 [ 1124.104531][T13202] bond_newlink+0x98/0x140 [ 1124.109300][T13202] ? bond_validate+0x270/0x270 [ 1124.114405][T13202] rtnl_newlink+0x2d5f/0x4110 [ 1124.119476][T13202] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1124.125645][T13202] ? rtnl_setlink+0x7f0/0x7f0 [ 1124.130626][T13202] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1124.136080][T13202] ? ref_tracker_free+0x45/0xc10 [ 1124.141320][T13202] ? filter_irq_stacks+0x60/0x1a0 [ 1124.146673][T13202] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1124.152844][T13202] ? filter_irq_stacks+0x164/0x1a0 [ 1124.158294][T13202] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1124.164462][T13202] netlink_rcv_skb+0x371/0x650 [ 1124.169565][T13202] ? rtnetlink_bind+0xf0/0xf0 [ 1124.174571][T13202] ? rtnetlink_net_exit+0x60/0x60 [ 1124.179909][T13202] rtnetlink_rcv+0x34/0x40 [ 1124.184654][T13202] netlink_unicast+0xf47/0x1250 [ 1124.189833][T13202] netlink_sendmsg+0x1238/0x13d0 [ 1124.195119][T13202] ? netlink_getsockopt+0x980/0x980 [ 1124.200635][T13202] ____sys_sendmsg+0x9c2/0xd60 [ 1124.205752][T13202] ___sys_sendmsg+0x28d/0x3c0 [ 1124.210773][T13202] ? __fget_files+0x580/0x640 [ 1124.215773][T13202] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1124.221942][T13202] __x64_sys_sendmsg+0x307/0x490 [ 1124.227238][T13202] do_syscall_64+0x44/0x110 [ 1124.232039][T13202] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1124.238305][T13202] RIP: 0033:0x7f449387cae9 [ 1124.242982][T13202] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1124.262911][T13202] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1124.271664][T13202] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1124.279907][T13202] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1124.288141][T13202] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1124.296371][T13202] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1124.304596][T13202] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1124.312851][T13202] [ 1124.324269][T13202] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1124.340328][T13202] bond10000000000 (unregistered): Released all slaves 02:10:26 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x12) syz_genetlink_get_family_id$smc(&(0x7f0000000080), r0) 02:10:27 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x4c, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:27 executing program 0: bpf$MAP_CREATE(0x10, &(0x7f0000000000)=@base={0x0, 0x4}, 0x48) 02:10:27 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$SEG6(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$SEG6_CMD_SET_TUNSRC(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r1, 0x1, 0x0, 0x0, {}, [@SEG6_ATTR_DST={0x14, 0x1, @private2}]}, 0x28}}, 0x0) 02:10:27 executing program 5: sendmsg$MPTCP_PM_CMD_DEL_ADDR(0xffffffffffffffff, 0x0, 0x0) 02:10:27 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xffffff7f, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:27 executing program 0: r0 = openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) accept4$packet(r0, 0x0, 0x0, 0x180000) 02:10:27 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x59, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1125.484649][T13234] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1125.494200][T13234] CPU: 1 PID: 13234 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1125.504575][T13234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1125.514883][T13234] Call Trace: [ 1125.518375][T13234] [ 1125.521524][T13234] dump_stack_lvl+0x1bf/0x240 [ 1125.526585][T13234] dump_stack+0x1e/0x20 [ 1125.531085][T13234] sysfs_create_dir_ns+0x459/0x4c0 [ 1125.536513][T13234] ? device_release+0x2e0/0x2e0 [ 1125.541685][T13234] kobject_add_internal+0xd08/0x16a0 [ 1125.547331][T13234] kobject_add+0x28c/0x3b0 [ 1125.552103][T13234] ? kobject_put+0x1fe/0x330 [ 1125.557037][T13234] device_add+0xaa2/0x1f20 [ 1125.561786][T13234] netdev_register_kobject+0x1ec/0x520 [ 1125.567589][T13234] register_netdevice+0x138a/0x1cd0 [ 1125.573158][T13234] bond_newlink+0x98/0x140 [ 1125.577933][T13234] ? bond_validate+0x270/0x270 [ 1125.583040][T13234] rtnl_newlink+0x2d5f/0x4110 [ 1125.588105][T13234] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1125.594262][T13234] ? rtnl_setlink+0x7f0/0x7f0 [ 1125.599240][T13234] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1125.604695][T13234] ? ref_tracker_free+0x45/0xc10 [ 1125.609951][T13234] ? filter_irq_stacks+0x60/0x1a0 [ 1125.615309][T13234] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1125.621485][T13234] ? filter_irq_stacks+0x164/0x1a0 [ 1125.626934][T13234] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1125.633094][T13234] netlink_rcv_skb+0x371/0x650 [ 1125.638197][T13234] ? rtnetlink_bind+0xf0/0xf0 [ 1125.643202][T13234] ? rtnetlink_net_exit+0x60/0x60 [ 1125.648541][T13234] rtnetlink_rcv+0x34/0x40 [ 1125.653272][T13234] netlink_unicast+0xf47/0x1250 [ 1125.658455][T13234] netlink_sendmsg+0x1238/0x13d0 [ 1125.663738][T13234] ? netlink_getsockopt+0x980/0x980 [ 1125.669261][T13234] ____sys_sendmsg+0x9c2/0xd60 [ 1125.674382][T13234] ___sys_sendmsg+0x28d/0x3c0 [ 1125.679404][T13234] ? __fget_files+0x580/0x640 [ 1125.684399][T13234] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1125.690557][T13234] __x64_sys_sendmsg+0x307/0x490 [ 1125.695853][T13234] do_syscall_64+0x44/0x110 [ 1125.700644][T13234] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1125.706911][T13234] RIP: 0033:0x7f9a85a7cae9 [ 1125.711587][T13234] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1125.731529][T13234] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1125.740279][T13234] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1125.748539][T13234] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1125.756765][T13234] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1125.764999][T13234] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1125.773226][T13234] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1125.781494][T13234] [ 1125.793037][T13234] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1125.809026][T13234] bond10000000000 (unregistered): Released all slaves 02:10:28 executing program 0: io_setup(0x6, &(0x7f0000000200)=0x0) io_submit(r0, 0x0, 0x0) 02:10:28 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x10) writev(r0, &(0x7f0000000000)=[{&(0x7f00000001c0)="580000001500add427323b472545b45602117fffffff81000e220e227f000001925aa80013007b00090080007f000001e809000000ff0000f03ac7100003ffffffffffffffffffffffe7ee000000deff0000000200000000", 0xa0}], 0x1) 02:10:28 executing program 2: io_setup(0x1a06, &(0x7f00000001c0)) 02:10:28 executing program 5: openat$thread_pidfd(0xffffffffffffff9c, &(0x7f0000000000), 0x20600, 0x0) [ 1126.075960][T13235] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1126.085769][T13235] CPU: 0 PID: 13235 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1126.096159][T13235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1126.106474][T13235] Call Trace: [ 1126.109923][T13235] [ 1126.113040][T13235] dump_stack_lvl+0x1bf/0x240 [ 1126.118029][T13235] dump_stack+0x1e/0x20 [ 1126.122475][T13235] sysfs_create_dir_ns+0x459/0x4c0 [ 1126.127868][T13235] ? device_release+0x2e0/0x2e0 [ 1126.132995][T13235] kobject_add_internal+0xd08/0x16a0 [ 1126.138581][T13235] kobject_add+0x28c/0x3b0 [ 1126.143292][T13235] ? kobject_put+0x1fe/0x330 [ 1126.148164][T13235] device_add+0xaa2/0x1f20 [ 1126.152869][T13235] netdev_register_kobject+0x1ec/0x520 [ 1126.158623][T13235] register_netdevice+0x138a/0x1cd0 [ 1126.164149][T13235] bond_newlink+0x98/0x140 [ 1126.168865][T13235] ? bond_validate+0x270/0x270 [ 1126.173915][T13235] rtnl_newlink+0x2d5f/0x4110 [ 1126.178928][T13235] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1126.185032][T13235] ? rtnl_setlink+0x7f0/0x7f0 [ 1126.189986][T13235] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1126.195393][T13235] ? ref_tracker_free+0x45/0xc10 [ 1126.200591][T13235] ? filter_irq_stacks+0x60/0x1a0 [ 1126.205886][T13235] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1126.212002][T13235] ? filter_irq_stacks+0x164/0x1a0 [ 1126.217388][T13235] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1126.223487][T13235] netlink_rcv_skb+0x371/0x650 [ 1126.228523][T13235] ? rtnetlink_bind+0xf0/0xf0 [ 1126.233472][T13235] ? rtnetlink_net_exit+0x60/0x60 [ 1126.238753][T13235] rtnetlink_rcv+0x34/0x40 [ 1126.243437][T13235] netlink_unicast+0xf47/0x1250 [ 1126.248568][T13235] netlink_sendmsg+0x1238/0x13d0 [ 1126.253822][T13235] ? netlink_getsockopt+0x980/0x980 [ 1126.259301][T13235] ____sys_sendmsg+0x9c2/0xd60 [ 1126.264393][T13235] ___sys_sendmsg+0x28d/0x3c0 [ 1126.269358][T13235] ? __fget_files+0x580/0x640 [ 1126.274307][T13235] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1126.280414][T13235] __x64_sys_sendmsg+0x307/0x490 [ 1126.285656][T13235] do_syscall_64+0x44/0x110 [ 1126.290429][T13235] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1126.296638][T13235] RIP: 0033:0x7f449387cae9 [ 1126.301274][T13235] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1126.321148][T13235] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1126.329839][T13235] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1126.338033][T13235] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1126.346217][T13235] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1126.354397][T13235] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1126.362595][T13235] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1126.370833][T13235] [ 1126.386045][T13235] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1126.403249][T13235] bond10000000000 (unregistered): Released all slaves 02:10:28 executing program 3: io_setup(0x100, &(0x7f0000000b80)=0x0) io_pgetevents(r0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000ec0)={&(0x7f0000000e80), 0x8}) 02:10:28 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x60, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:29 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xffffff81, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:29 executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='freezer.self_freezing\x00', 0x275a, 0x0) signalfd4(0xffffffffffffffff, &(0x7f0000000000)={[0x4]}, 0x8, 0x800) accept$unix(r0, 0x0, &(0x7f0000000100)) bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x1, 0x5, &(0x7f0000002700)=ANY=[@ANYBLOB="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"], &(0x7f0000000140)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0xfffffffffffffe89}, 0x48) open(&(0x7f0000000300)='.\x00', 0x0, 0x0) flock(0xffffffffffffffff, 0x2) open(0x0, 0x0, 0x0) ioctl$F2FS_IOC_RESERVE_COMPRESS_BLOCKS(0xffffffffffffffff, 0x8008f513, 0x0) pipe(0x0) socket$nl_netfilter(0x10, 0x3, 0xc) splice(0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) pipe(&(0x7f0000001500)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) creat(&(0x7f0000000280)='./file0\x00', 0x0) ioctl$FS_IOC_GET_ENCRYPTION_NONCE(0xffffffffffffffff, 0x8010661b, 0x0) bind$inet6(r2, &(0x7f0000000040)={0xa, 0x8000002}, 0x1c) dup(0xffffffffffffffff) dup(0xffffffffffffffff) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x32, 0x0, 0x0) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) sendmsg$NL80211_CMD_SET_STATION(0xffffffffffffffff, 0x0, 0x0) sendmsg$IPVS_CMD_DEL_SERVICE(0xffffffffffffffff, 0x0, 0x0) sendto$inet6(r2, 0x0, 0x0, 0x2200c041, &(0x7f0000b63fe4)={0xa, 0x2, 0x0, @loopback}, 0x1c) bpf$OBJ_GET_MAP(0x7, 0x0, 0x0) ioctl$BTRFS_IOC_DEV_INFO(0xffffffffffffffff, 0xd000941e, 0x0) sendto$inet6(r2, &(0x7f0000000180)="44f9", 0x2, 0x1, 0x0, 0x0) splice(r2, 0x0, r1, 0x0, 0x406f408, 0x0) ppoll(&(0x7f0000000180)=[{r2}, {0xffffffffffffffff, 0x100}], 0x2, &(0x7f0000000200), 0x0, 0x0) 02:10:29 executing program 5: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/cgroups\x00', 0x0, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x81f8943c, 0x0) 02:10:29 executing program 2: io_pgetevents(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) 02:10:29 executing program 3: sendmsg$NFNL_MSG_ACCT_GET(0xffffffffffffffff, 0x0, 0x0) [ 1127.221277][T13252] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1127.230828][T13252] CPU: 1 PID: 13252 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1127.241193][T13252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1127.251458][T13252] Call Trace: [ 1127.254906][T13252] [ 1127.257996][T13252] dump_stack_lvl+0x1bf/0x240 [ 1127.262990][T13252] dump_stack+0x1e/0x20 [ 1127.267425][T13252] sysfs_create_dir_ns+0x459/0x4c0 [ 1127.272809][T13252] ? device_release+0x2e0/0x2e0 [ 1127.277948][T13252] kobject_add_internal+0xd08/0x16a0 [ 1127.283819][T13252] kobject_add+0x28c/0x3b0 [ 1127.288576][T13252] ? kobject_put+0x1fe/0x330 [ 1127.293484][T13252] device_add+0xaa2/0x1f20 [ 1127.298177][T13252] netdev_register_kobject+0x1ec/0x520 [ 1127.303914][T13252] register_netdevice+0x138a/0x1cd0 [ 1127.309397][T13252] bond_newlink+0x98/0x140 [ 1127.314102][T13252] ? bond_validate+0x270/0x270 [ 1127.319147][T13252] rtnl_newlink+0x2d5f/0x4110 [ 1127.324156][T13252] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1127.330256][T13252] ? rtnl_setlink+0x7f0/0x7f0 [ 1127.335186][T13252] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1127.340583][T13252] ? ref_tracker_free+0x45/0xc10 [ 1127.345790][T13252] ? filter_irq_stacks+0x60/0x1a0 [ 1127.351079][T13252] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1127.357182][T13252] ? filter_irq_stacks+0x164/0x1a0 [ 1127.362570][T13252] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1127.368690][T13252] netlink_rcv_skb+0x371/0x650 [ 1127.373756][T13252] ? rtnetlink_bind+0xf0/0xf0 [ 1127.378738][T13252] ? rtnetlink_net_exit+0x60/0x60 [ 1127.384026][T13252] rtnetlink_rcv+0x34/0x40 [ 1127.388746][T13252] netlink_unicast+0xf47/0x1250 [ 1127.394003][T13252] netlink_sendmsg+0x1238/0x13d0 [ 1127.399237][T13252] ? netlink_getsockopt+0x980/0x980 [ 1127.404699][T13252] ____sys_sendmsg+0x9c2/0xd60 [ 1127.409769][T13252] ___sys_sendmsg+0x28d/0x3c0 [ 1127.414733][T13252] ? __fget_files+0x580/0x640 [ 1127.419667][T13252] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1127.425784][T13252] __x64_sys_sendmsg+0x307/0x490 [ 1127.431022][T13252] do_syscall_64+0x44/0x110 [ 1127.435772][T13252] ? sysvec_apic_timer_interrupt+0x4d/0x90 [ 1127.441847][T13252] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1127.448049][T13252] RIP: 0033:0x7f9a85a7cae9 [ 1127.452678][T13252] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1127.472665][T13252] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1127.481383][T13252] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1127.489592][T13252] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1127.497814][T13252] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1127.506036][T13252] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1127.514258][T13252] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1127.522488][T13252] [ 1127.535403][T13252] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1127.551368][T13252] bond10000000000 (unregistered): Released all slaves 02:10:30 executing program 5: accept$packet(0xffffffffffffffff, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, 0x0) accept4$packet(0xffffffffffffffff, 0x0, &(0x7f00000001c0), 0x0) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, 0x0, 0x0) eventfd(0x0) ioctl$BTRFS_IOC_START_SYNC(0xffffffffffffffff, 0x80089418, 0x0) io_setup(0x100, &(0x7f0000000b80)) 02:10:30 executing program 2: bpf$BPF_GET_PROG_INFO(0xf, &(0x7f00000004c0)={0xffffffffffffffff, 0x0, 0x0}, 0x10) 02:10:30 executing program 0: socketpair(0x0, 0x0, 0x0, 0x0) syz_clone3(&(0x7f0000000680)={0x41000000, 0x0, 0x0, 0x0, {}, &(0x7f0000000540)=""/12, 0xc, 0x0, 0x0}, 0x58) 02:10:30 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xffffffd9, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:30 executing program 2: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) getsockname$packet(r0, 0x0, 0x0) 02:10:30 executing program 3: bpf$BPF_MAP_GET_NEXT_ID(0xc, &(0x7f00000023c0)={0xffffff01}, 0x8) 02:10:30 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x68, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:30 executing program 5: r0 = openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) setsockopt$packet_buf(r0, 0x107, 0x0, 0x0, 0x0) 02:10:31 executing program 2: r0 = socket(0x11, 0x803, 0x0) bind$packet(r0, 0x0, 0x0) 02:10:31 executing program 3: select(0x0, 0x0, &(0x7f00000016c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, &(0x7f0000001700), &(0x7f0000001740)={0x0, 0x2710}) [ 1127.937077][T13251] workqueue: Failed to create a rescuer kthread for wq "bond10000000000": -EINTR [ 1128.966912][T13273] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1128.988539][T13273] CPU: 0 PID: 13273 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1128.998939][T13273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1129.009254][T13273] Call Trace: [ 1129.012710][T13273] [ 1129.015823][T13273] dump_stack_lvl+0x1bf/0x240 [ 1129.020821][T13273] dump_stack+0x1e/0x20 [ 1129.025270][T13273] sysfs_create_dir_ns+0x459/0x4c0 [ 1129.030692][T13273] ? device_release+0x2e0/0x2e0 [ 1129.035862][T13273] kobject_add_internal+0xd08/0x16a0 [ 1129.041486][T13273] kobject_add+0x28c/0x3b0 [ 1129.046211][T13273] ? kobject_put+0x1fe/0x330 [ 1129.051092][T13273] device_add+0xaa2/0x1f20 [ 1129.055790][T13273] netdev_register_kobject+0x1ec/0x520 [ 1129.061528][T13273] register_netdevice+0x138a/0x1cd0 [ 1129.067014][T13273] bond_newlink+0x98/0x140 [ 1129.071723][T13273] ? bond_validate+0x270/0x270 [ 1129.076768][T13273] rtnl_newlink+0x2d5f/0x4110 [ 1129.081780][T13273] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1129.087883][T13273] ? rtnl_setlink+0x7f0/0x7f0 [ 1129.092824][T13273] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1129.098251][T13273] ? ref_tracker_free+0x45/0xc10 [ 1129.103458][T13273] ? filter_irq_stacks+0x60/0x1a0 [ 1129.108752][T13273] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1129.114866][T13273] ? filter_irq_stacks+0x164/0x1a0 [ 1129.120267][T13273] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1129.126378][T13273] netlink_rcv_skb+0x371/0x650 [ 1129.131460][T13273] ? rtnetlink_bind+0xf0/0xf0 [ 1129.136416][T13273] ? rtnetlink_net_exit+0x60/0x60 [ 1129.141709][T13273] rtnetlink_rcv+0x34/0x40 [ 1129.146386][T13273] netlink_unicast+0xf47/0x1250 [ 1129.151519][T13273] netlink_sendmsg+0x1238/0x13d0 [ 1129.156746][T13273] ? netlink_getsockopt+0x980/0x980 [ 1129.162216][T13273] ____sys_sendmsg+0x9c2/0xd60 [ 1129.167272][T13273] ___sys_sendmsg+0x28d/0x3c0 [ 1129.172249][T13273] ? __fget_files+0x580/0x640 [ 1129.177188][T13273] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1129.183293][T13273] __x64_sys_sendmsg+0x307/0x490 [ 1129.188527][T13273] do_syscall_64+0x44/0x110 [ 1129.193268][T13273] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1129.199472][T13273] RIP: 0033:0x7f449387cae9 [ 1129.204109][T13273] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1129.223987][T13273] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1129.232686][T13273] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1129.240901][T13273] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1129.249096][T13273] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1129.257276][T13273] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:10:31 executing program 5: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'veth0_vlan\x00', &(0x7f0000000000)=@ethtool_channels={0x3e}}) [ 1129.265450][T13273] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1129.273659][T13273] [ 1129.285979][T13273] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1129.304599][T13273] bond10000000000 (unregistered): Released all slaves [ 1129.502500][T13279] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1129.512385][T13279] CPU: 0 PID: 13279 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1129.522843][T13279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1129.533166][T13279] Call Trace: [ 1129.536644][T13279] [ 1129.539776][T13279] dump_stack_lvl+0x1bf/0x240 [ 1129.544833][T13279] dump_stack+0x1e/0x20 [ 1129.549330][T13279] sysfs_create_dir_ns+0x459/0x4c0 [ 1129.554770][T13279] ? device_release+0x2e0/0x2e0 [ 1129.560056][T13279] kobject_add_internal+0xd08/0x16a0 [ 1129.565720][T13279] kobject_add+0x28c/0x3b0 [ 1129.570487][T13279] ? kobject_put+0x1fe/0x330 [ 1129.575438][T13279] device_add+0xaa2/0x1f20 [ 1129.580198][T13279] netdev_register_kobject+0x1ec/0x520 [ 1129.586011][T13279] register_netdevice+0x138a/0x1cd0 [ 1129.591570][T13279] bond_newlink+0x98/0x140 [ 1129.596347][T13279] ? bond_validate+0x270/0x270 02:10:32 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xffffffea, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1129.601464][T13279] rtnl_newlink+0x2d5f/0x4110 [ 1129.606551][T13279] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1129.612737][T13279] ? rtnl_setlink+0x7f0/0x7f0 [ 1129.617732][T13279] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1129.623206][T13279] ? ref_tracker_free+0x45/0xc10 [ 1129.628462][T13279] ? filter_irq_stacks+0x60/0x1a0 [ 1129.633821][T13279] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1129.640002][T13279] ? filter_irq_stacks+0x164/0x1a0 [ 1129.645470][T13279] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1129.651651][T13279] netlink_rcv_skb+0x371/0x650 [ 1129.656748][T13279] ? rtnetlink_bind+0xf0/0xf0 [ 1129.661717][T13279] ? rtnetlink_net_exit+0x60/0x60 [ 1129.667018][T13279] rtnetlink_rcv+0x34/0x40 [ 1129.671702][T13279] netlink_unicast+0xf47/0x1250 [ 1129.676836][T13279] netlink_sendmsg+0x1238/0x13d0 [ 1129.682073][T13279] ? netlink_getsockopt+0x980/0x980 [ 1129.687574][T13279] ____sys_sendmsg+0x9c2/0xd60 [ 1129.692634][T13279] ___sys_sendmsg+0x28d/0x3c0 [ 1129.697604][T13279] ? __fget_files+0x580/0x640 [ 1129.702542][T13279] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1129.708662][T13279] __x64_sys_sendmsg+0x307/0x490 [ 1129.713904][T13279] do_syscall_64+0x44/0x110 [ 1129.718658][T13279] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1129.724865][T13279] RIP: 0033:0x7f9a85a7cae9 [ 1129.729499][T13279] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1129.749390][T13279] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1129.758088][T13279] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1129.766310][T13279] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1129.774497][T13279] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1129.782692][T13279] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1129.790874][T13279] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1129.799095][T13279] [ 1129.813316][T13279] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1129.829566][T13279] bond10000000000 (unregistered): Released all slaves 02:10:32 executing program 3: io_setup(0x100, &(0x7f0000000b80)) io_setup(0x5, &(0x7f0000000fc0)) 02:10:32 executing program 2: io_pgetevents(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000001180)) [ 1130.544642][T13290] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1130.554479][T13290] CPU: 0 PID: 13290 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1130.564864][T13290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1130.575170][T13290] Call Trace: [ 1130.578645][T13290] [ 1130.581871][T13290] dump_stack_lvl+0x1bf/0x240 [ 1130.586937][T13290] dump_stack+0x1e/0x20 [ 1130.591443][T13290] sysfs_create_dir_ns+0x459/0x4c0 [ 1130.596880][T13290] ? device_release+0x2e0/0x2e0 [ 1130.602090][T13290] kobject_add_internal+0xd08/0x16a0 [ 1130.607739][T13290] kobject_add+0x28c/0x3b0 [ 1130.612523][T13290] ? kobject_put+0x1fe/0x330 [ 1130.617449][T13290] device_add+0xaa2/0x1f20 [ 1130.622197][T13290] netdev_register_kobject+0x1ec/0x520 [ 1130.624153][ T5103] kworker/dying (5103) used greatest stack depth: 4192 bytes left [ 1130.627900][T13290] register_netdevice+0x138a/0x1cd0 [ 1130.641280][T13290] bond_newlink+0x98/0x140 [ 1130.646057][T13290] ? bond_validate+0x270/0x270 [ 1130.651162][T13290] rtnl_newlink+0x2d5f/0x4110 [ 1130.656240][T13290] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1130.662397][T13290] ? rtnl_setlink+0x7f0/0x7f0 [ 1130.667404][T13290] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1130.672940][T13290] ? ref_tracker_free+0x45/0xc10 [ 1130.678196][T13290] ? filter_irq_stacks+0x60/0x1a0 [ 1130.683534][T13290] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1130.689698][T13290] ? filter_irq_stacks+0x164/0x1a0 [ 1130.695141][T13290] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1130.701297][T13290] netlink_rcv_skb+0x371/0x650 [ 1130.706391][T13290] ? rtnetlink_bind+0xf0/0xf0 [ 1130.711398][T13290] ? rtnetlink_net_exit+0x60/0x60 [ 1130.716749][T13290] rtnetlink_rcv+0x34/0x40 [ 1130.721478][T13290] netlink_unicast+0xf47/0x1250 [ 1130.726665][T13290] netlink_sendmsg+0x1238/0x13d0 [ 1130.731950][T13290] ? netlink_getsockopt+0x980/0x980 [ 1130.737475][T13290] ____sys_sendmsg+0x9c2/0xd60 [ 1130.742594][T13290] ___sys_sendmsg+0x28d/0x3c0 [ 1130.747600][T13290] ? __fget_files+0x580/0x640 [ 1130.752572][T13290] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1130.758736][T13290] __x64_sys_sendmsg+0x307/0x490 [ 1130.764044][T13290] do_syscall_64+0x44/0x110 [ 1130.768839][T13290] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1130.775112][T13290] RIP: 0033:0x7f449387cae9 [ 1130.779790][T13290] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1130.799732][T13290] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1130.808503][T13290] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1130.816774][T13290] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1130.825030][T13290] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1130.833262][T13290] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1130.841495][T13290] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1130.849769][T13290] [ 1130.861778][T13290] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1130.885250][T13290] bond10000000000 (unregistered): Released all slaves 02:10:36 executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000040)='cgroup2\x00', 0x0, 0x0) r0 = open(&(0x7f0000000280)='./file0\x00', 0x20000, 0x14c) openat$cgroup_procs(r0, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) writev(0xffffffffffffffff, 0x0, 0x0) pivot_root(0x0, 0x0) sched_setaffinity(0x0, 0x0, 0x0) connect$unix(0xffffffffffffffff, 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) connect$unix(0xffffffffffffffff, &(0x7f0000000180)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(0xffffffffffffffff, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) openat$vcs(0xffffffffffffff9c, &(0x7f0000000200), 0x20000, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) ioctl$sock_inet6_SIOCSIFDSTADDR(0xffffffffffffffff, 0x8918, &(0x7f0000000080)={@ipv4, 0x2}) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x40000) sched_setaffinity(0x0, 0x8, &(0x7f0000000380)=0xae) sendto$unix(0xffffffffffffffff, &(0x7f00000005c0), 0x0, 0x0, 0x0, 0x0) recvfrom$unix(0xffffffffffffffff, &(0x7f0000000740)=""/266, 0x10a, 0x0, 0x0, 0x0) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(0xffffffffffffffff, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(arc4)-generic\x00'}, 0x58) setsockopt$ALG_SET_KEY(0xffffffffffffffff, 0x117, 0x1, 0x0, 0x0) accept4(r1, 0x0, 0x0, 0x80800) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x20000000) bind$alg(0xffffffffffffffff, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(arc4)-generic\x00'}, 0x58) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={0x0, 0x24}}, 0x0) unshare(0x6c060000) 02:10:36 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x6c, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:36 executing program 5: openat$hwrng(0xffffffffffffff9c, &(0x7f0000001bc0), 0x200, 0x0) 02:10:36 executing program 3: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_add_memb(r0, 0x107, 0x1, &(0x7f0000000e40)={0x0, 0x1, 0x6, @multicast}, 0x10) 02:10:36 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xffffffed, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:36 executing program 2: r0 = socket(0x10, 0x3, 0x0) write(r0, &(0x7f0000000040)="240000001a005f3814f9dc07000904018000200000006000000002000800020040000000", 0x24) [ 1133.807674][T13304] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1133.819594][T13304] CPU: 0 PID: 13304 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1133.829990][T13304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1133.840357][T13304] Call Trace: [ 1133.843846][T13304] [ 1133.846982][T13304] dump_stack_lvl+0x1bf/0x240 [ 1133.852071][T13304] dump_stack+0x1e/0x20 [ 1133.856682][T13304] sysfs_create_dir_ns+0x459/0x4c0 [ 1133.862138][T13304] ? device_release+0x2e0/0x2e0 [ 1133.867356][T13304] kobject_add_internal+0xd08/0x16a0 [ 1133.873025][T13304] kobject_add+0x28c/0x3b0 [ 1133.877798][T13304] ? kobject_put+0x1fe/0x330 [ 1133.882718][T13304] device_add+0xaa2/0x1f20 [ 1133.887450][T13304] netdev_register_kobject+0x1ec/0x520 [ 1133.893245][T13304] register_netdevice+0x138a/0x1cd0 [ 1133.898810][T13304] bond_newlink+0x98/0x140 [ 1133.903585][T13304] ? bond_validate+0x270/0x270 [ 1133.908640][T13304] rtnl_newlink+0x2d5f/0x4110 [ 1133.913638][T13304] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1133.920183][T13304] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1133.926300][T13304] ? rtnl_setlink+0x7f0/0x7f0 [ 1133.931247][T13304] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1133.936645][T13304] ? ref_tracker_free+0x45/0xc10 [ 1133.941895][T13304] ? filter_irq_stacks+0x60/0x1a0 [ 1133.947228][T13304] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1133.953347][T13304] ? filter_irq_stacks+0x164/0x1a0 [ 1133.958742][T13304] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1133.964845][T13304] netlink_rcv_skb+0x371/0x650 [ 1133.969884][T13304] ? rtnetlink_bind+0xf0/0xf0 [ 1133.974833][T13304] ? rtnetlink_net_exit+0x60/0x60 [ 1133.980119][T13304] rtnetlink_rcv+0x34/0x40 [ 1133.984800][T13304] netlink_unicast+0xf47/0x1250 [ 1133.989927][T13304] netlink_sendmsg+0x1238/0x13d0 [ 1133.995151][T13304] ? netlink_getsockopt+0x980/0x980 [ 1134.000619][T13304] ____sys_sendmsg+0x9c2/0xd60 [ 1134.005675][T13304] ___sys_sendmsg+0x28d/0x3c0 [ 1134.010634][T13304] ? __fget_files+0x580/0x640 [ 1134.015570][T13304] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1134.021676][T13304] __x64_sys_sendmsg+0x307/0x490 [ 1134.026923][T13304] do_syscall_64+0x44/0x110 [ 1134.031682][T13304] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1134.037890][T13304] RIP: 0033:0x7f449387cae9 [ 1134.042545][T13304] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1134.062457][T13304] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1134.071155][T13304] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1134.079363][T13304] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1134.087550][T13304] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1134.095732][T13304] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1134.103904][T13304] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1134.112112][T13304] [ 1134.130171][T13304] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1134.154817][T13304] bond10000000000 (unregistered): Released all slaves 02:10:36 executing program 3: setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, 0x0, 0x0) r0 = socket(0x11, 0x803, 0x3) bind$packet(r0, &(0x7f00000019c0)={0x11, 0xf8, 0x0, 0x1, 0x0, 0x6, @multicast}, 0x14) [ 1134.312529][T13307] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1134.324616][T13307] CPU: 0 PID: 13307 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1134.335003][T13307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1134.345317][T13307] Call Trace: [ 1134.348792][T13307] [ 1134.351909][T13307] dump_stack_lvl+0x1bf/0x240 [ 1134.357166][T13307] dump_stack+0x1e/0x20 [ 1134.361693][T13307] sysfs_create_dir_ns+0x459/0x4c0 [ 1134.367181][T13307] ? device_release+0x2e0/0x2e0 [ 1134.372371][T13307] kobject_add_internal+0xd08/0x16a0 [ 1134.378036][T13307] kobject_add+0x28c/0x3b0 [ 1134.382821][T13307] ? kobject_put+0x1fe/0x330 [ 1134.387753][T13307] device_add+0xaa2/0x1f20 [ 1134.392499][T13307] netdev_register_kobject+0x1ec/0x520 [ 1134.398296][T13307] register_netdevice+0x138a/0x1cd0 [ 1134.403829][T13307] bond_newlink+0x98/0x140 [ 1134.408611][T13307] ? bond_validate+0x270/0x270 [ 1134.413733][T13307] rtnl_newlink+0x2d5f/0x4110 [ 1134.418816][T13307] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1134.424998][T13307] ? rtnl_setlink+0x7f0/0x7f0 [ 1134.430023][T13307] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1134.435515][T13307] ? ref_tracker_free+0x45/0xc10 [ 1134.440773][T13307] ? filter_irq_stacks+0x60/0x1a0 [ 1134.446127][T13307] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1134.452296][T13307] ? filter_irq_stacks+0x164/0x1a0 [ 1134.457760][T13307] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1134.464015][T13307] netlink_rcv_skb+0x371/0x650 [ 1134.469196][T13307] ? rtnetlink_bind+0xf0/0xf0 [ 1134.474146][T13307] ? rtnetlink_net_exit+0x60/0x60 [ 1134.479372][T13307] rtnetlink_rcv+0x34/0x40 [ 1134.483994][T13307] netlink_unicast+0xf47/0x1250 [ 1134.489061][T13307] netlink_sendmsg+0x1238/0x13d0 [ 1134.494210][T13307] ? netlink_getsockopt+0x980/0x980 [ 1134.499604][T13307] ____sys_sendmsg+0x9c2/0xd60 [ 1134.504596][T13307] ___sys_sendmsg+0x28d/0x3c0 [ 1134.509476][T13307] ? __fget_files+0x580/0x640 [ 1134.514340][T13307] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1134.520409][T13307] __x64_sys_sendmsg+0x307/0x490 [ 1134.525726][T13307] do_syscall_64+0x44/0x110 [ 1134.530531][T13307] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1134.536818][T13307] RIP: 0033:0x7f9a85a7cae9 [ 1134.541489][T13307] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1134.561465][T13307] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1134.570098][T13307] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1134.578235][T13307] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1134.586399][T13307] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1134.594587][T13307] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1134.602726][T13307] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1134.610891][T13307] [ 1134.615053][T13307] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1134.636271][T13307] bond10000000000 (unregistered): Released all slaves 02:10:37 executing program 5: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/cgroups\x00', 0x0, 0x0) io_setup(0x6, &(0x7f0000000200)=0x0) io_submit(r1, 0x3, &(0x7f0000000600)=[&(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, r0, 0x0, 0x0, 0x0, 0x0, 0x3, r0}, 0x0, 0x0]) 02:10:37 executing program 3: bpf$MAP_CREATE(0x0, &(0x7f0000002bc0)=@bloom_filter={0x1e, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x3}, 0x48) 02:10:37 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x74, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:37 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xfffffff0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:37 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000002980)=@o_path={0x0}, 0x18) [ 1135.311278][T13324] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1135.321762][T13324] CPU: 0 PID: 13324 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1135.332158][T13324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1135.342473][T13324] Call Trace: [ 1135.345957][T13324] [ 1135.349107][T13324] dump_stack_lvl+0x1bf/0x240 [ 1135.354152][T13324] dump_stack+0x1e/0x20 [ 1135.358607][T13324] sysfs_create_dir_ns+0x459/0x4c0 [ 1135.363986][T13324] ? device_release+0x2e0/0x2e0 [ 1135.369115][T13324] kobject_add_internal+0xd08/0x16a0 [ 1135.374723][T13324] kobject_add+0x28c/0x3b0 [ 1135.379489][T13324] ? kobject_put+0x1fe/0x330 [ 1135.384394][T13324] device_add+0xaa2/0x1f20 [ 1135.389110][T13324] netdev_register_kobject+0x1ec/0x520 [ 1135.394858][T13324] register_netdevice+0x138a/0x1cd0 [ 1135.400341][T13324] bond_newlink+0x98/0x140 [ 1135.405049][T13324] ? bond_validate+0x270/0x270 [ 1135.410095][T13324] rtnl_newlink+0x2d5f/0x4110 [ 1135.415114][T13324] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1135.421651][T13324] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1135.427765][T13324] ? rtnl_setlink+0x7f0/0x7f0 [ 1135.432709][T13324] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1135.438118][T13324] ? ref_tracker_free+0x45/0xc10 [ 1135.443316][T13324] ? filter_irq_stacks+0x60/0x1a0 [ 1135.448619][T13324] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1135.454726][T13324] ? filter_irq_stacks+0x164/0x1a0 [ 1135.460116][T13324] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1135.466219][T13324] netlink_rcv_skb+0x371/0x650 [ 1135.471270][T13324] ? rtnetlink_bind+0xf0/0xf0 [ 1135.476232][T13324] ? rtnetlink_net_exit+0x60/0x60 [ 1135.481555][T13324] rtnetlink_rcv+0x34/0x40 [ 1135.486236][T13324] netlink_unicast+0xf47/0x1250 [ 1135.491370][T13324] netlink_sendmsg+0x1238/0x13d0 [ 1135.496603][T13324] ? netlink_getsockopt+0x980/0x980 [ 1135.502072][T13324] ____sys_sendmsg+0x9c2/0xd60 [ 1135.507202][T13324] ___sys_sendmsg+0x28d/0x3c0 [ 1135.512201][T13324] ? __fget_files+0x580/0x640 [ 1135.517151][T13324] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1135.523266][T13324] __x64_sys_sendmsg+0x307/0x490 [ 1135.528503][T13324] do_syscall_64+0x44/0x110 [ 1135.533252][T13324] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1135.539455][T13324] RIP: 0033:0x7f9a85a7cae9 [ 1135.544088][T13324] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1135.564575][T13324] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1135.573292][T13324] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1135.581516][T13324] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1135.589707][T13324] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1135.597896][T13324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1135.606080][T13324] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1135.614287][T13324] [ 1135.627577][T13324] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1135.643801][T13324] bond10000000000 (unregistered): Released all slaves [ 1135.835278][T13328] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1135.844859][T13328] CPU: 0 PID: 13328 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1135.855257][T13328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1135.865577][T13328] Call Trace: [ 1135.869084][T13328] [ 1135.872212][T13328] dump_stack_lvl+0x1bf/0x240 [ 1135.877215][T13328] dump_stack+0x1e/0x20 [ 1135.881666][T13328] sysfs_create_dir_ns+0x459/0x4c0 [ 1135.887080][T13328] ? device_release+0x2e0/0x2e0 [ 1135.892245][T13328] kobject_add_internal+0xd08/0x16a0 [ 1135.897841][T13328] kobject_add+0x28c/0x3b0 [ 1135.902565][T13328] ? kobject_put+0x1fe/0x330 [ 1135.907446][T13328] device_add+0xaa2/0x1f20 [ 1135.912138][T13328] netdev_register_kobject+0x1ec/0x520 [ 1135.917878][T13328] register_netdevice+0x138a/0x1cd0 [ 1135.923373][T13328] bond_newlink+0x98/0x140 [ 1135.928085][T13328] ? bond_validate+0x270/0x270 [ 1135.933137][T13328] rtnl_newlink+0x2d5f/0x4110 [ 1135.938147][T13328] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1135.944246][T13328] ? rtnl_setlink+0x7f0/0x7f0 [ 1135.949184][T13328] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1135.954592][T13328] ? ref_tracker_free+0x45/0xc10 [ 1135.959794][T13328] ? filter_irq_stacks+0x60/0x1a0 [ 1135.965166][T13328] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1135.971317][T13328] ? filter_irq_stacks+0x164/0x1a0 [ 1135.976748][T13328] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1135.982888][T13328] netlink_rcv_skb+0x371/0x650 [ 1135.987964][T13328] ? rtnetlink_bind+0xf0/0xf0 [ 1135.992956][T13328] ? rtnetlink_net_exit+0x60/0x60 [ 1135.998268][T13328] rtnetlink_rcv+0x34/0x40 [ 1136.002973][T13328] netlink_unicast+0xf47/0x1250 [ 1136.008239][T13328] netlink_sendmsg+0x1238/0x13d0 [ 1136.013498][T13328] ? netlink_getsockopt+0x980/0x980 [ 1136.018990][T13328] ____sys_sendmsg+0x9c2/0xd60 [ 1136.024068][T13328] ___sys_sendmsg+0x28d/0x3c0 [ 1136.029041][T13328] ? __fget_files+0x580/0x640 [ 1136.033988][T13328] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1136.040099][T13328] __x64_sys_sendmsg+0x307/0x490 [ 1136.045343][T13328] do_syscall_64+0x44/0x110 [ 1136.050089][T13328] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1136.056326][T13328] RIP: 0033:0x7f449387cae9 [ 1136.060960][T13328] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1136.080850][T13328] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1136.089558][T13328] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1136.097813][T13328] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1136.106005][T13328] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1136.114203][T13328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1136.122383][T13328] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1136.130593][T13328] [ 1136.141625][T13328] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1136.157695][T13328] bond10000000000 (unregistered): Released all slaves 02:10:38 executing program 3: bpf$MAP_CREATE(0x0, &(0x7f0000002bc0)=@bloom_filter, 0x48) 02:10:38 executing program 5: syz_clone3(&(0x7f0000000680)={0x41000000, &(0x7f0000000480), 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) 02:10:38 executing program 0: syz_clone3(&(0x7f0000000680)={0x41000000, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) 02:10:38 executing program 2: select(0x40, &(0x7f0000001680), 0x0, 0x0, 0x0) 02:10:38 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x7a, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:39 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xfffffff3, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:39 executing program 3: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000002240)={0x0, 0x0, 0x0, 0x0}, 0x90) [ 1137.071647][T13341] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1137.081449][T13341] CPU: 0 PID: 13341 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1137.091849][T13341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1137.102181][T13341] Call Trace: [ 1137.105679][T13341] [ 1137.108815][T13341] dump_stack_lvl+0x1bf/0x240 [ 1137.113877][T13341] dump_stack+0x1e/0x20 [ 1137.118389][T13341] sysfs_create_dir_ns+0x459/0x4c0 [ 1137.123834][T13341] ? device_release+0x2e0/0x2e0 [ 1137.129041][T13341] kobject_add_internal+0xd08/0x16a0 [ 1137.134708][T13341] kobject_add+0x28c/0x3b0 [ 1137.139479][T13341] ? kobject_put+0x1fe/0x330 [ 1137.144399][T13341] device_add+0xaa2/0x1f20 [ 1137.149138][T13341] netdev_register_kobject+0x1ec/0x520 [ 1137.154924][T13341] register_netdevice+0x138a/0x1cd0 [ 1137.160441][T13341] bond_newlink+0x98/0x140 [ 1137.165247][T13341] ? bond_validate+0x270/0x270 [ 1137.170385][T13341] rtnl_newlink+0x2d5f/0x4110 [ 1137.175463][T13341] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1137.181629][T13341] ? rtnl_setlink+0x7f0/0x7f0 [ 1137.186619][T13341] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1137.192121][T13341] ? ref_tracker_free+0x45/0xc10 [ 1137.197377][T13341] ? filter_irq_stacks+0x60/0x1a0 [ 1137.202730][T13341] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1137.208907][T13341] ? filter_irq_stacks+0x164/0x1a0 [ 1137.214359][T13341] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1137.220535][T13341] netlink_rcv_skb+0x371/0x650 [ 1137.225646][T13341] ? rtnetlink_bind+0xf0/0xf0 [ 1137.230668][T13341] ? rtnetlink_net_exit+0x60/0x60 [ 1137.236019][T13341] rtnetlink_rcv+0x34/0x40 [ 1137.240762][T13341] netlink_unicast+0xf47/0x1250 [ 1137.245976][T13341] netlink_sendmsg+0x1238/0x13d0 [ 1137.251269][T13341] ? netlink_getsockopt+0x980/0x980 [ 1137.256806][T13341] ____sys_sendmsg+0x9c2/0xd60 [ 1137.261948][T13341] ___sys_sendmsg+0x28d/0x3c0 [ 1137.266978][T13341] ? __fget_files+0x580/0x640 [ 1137.271985][T13341] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1137.278162][T13341] __x64_sys_sendmsg+0x307/0x490 [ 1137.283476][T13341] do_syscall_64+0x44/0x110 [ 1137.288272][T13341] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1137.294533][T13341] RIP: 0033:0x7f9a85a7cae9 [ 1137.299204][T13341] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1137.319142][T13341] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1137.327912][T13341] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1137.336174][T13341] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1137.344406][T13341] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1137.352677][T13341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1137.360976][T13341] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1137.369280][T13341] [ 1137.383083][T13341] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1137.399212][T13341] bond10000000000 (unregistered): Released all slaves 02:10:39 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0xffffffff, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:39 executing program 2: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/cgroups\x00', 0x0, 0x0) io_setup(0x6, &(0x7f0000000200)=0x0) io_submit(r1, 0x3, &(0x7f0000000600)=[&(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, r0, 0x0}, 0x0, 0x0]) 02:10:40 executing program 3: io_pgetevents(0x0, 0x0, 0x0, 0x0, &(0x7f00000010c0)={0x77359400}, 0x0) 02:10:40 executing program 2: openat$bsg(0xffffffffffffff9c, &(0x7f0000002700), 0x40, 0x0) 02:10:40 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x151, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1138.127250][T13352] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1138.138968][T13352] CPU: 0 PID: 13352 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1138.149373][T13352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1138.159689][T13352] Call Trace: [ 1138.163176][T13352] [ 1138.166326][T13352] dump_stack_lvl+0x1bf/0x240 [ 1138.171399][T13352] dump_stack+0x1e/0x20 [ 1138.175904][T13352] sysfs_create_dir_ns+0x459/0x4c0 [ 1138.181343][T13352] ? device_release+0x2e0/0x2e0 [ 1138.186535][T13352] kobject_add_internal+0xd08/0x16a0 [ 1138.192234][T13352] kobject_add+0x28c/0x3b0 [ 1138.197033][T13352] ? kobject_put+0x1fe/0x330 [ 1138.201977][T13352] device_add+0xaa2/0x1f20 [ 1138.206757][T13352] netdev_register_kobject+0x1ec/0x520 [ 1138.212585][T13352] register_netdevice+0x138a/0x1cd0 [ 1138.218153][T13352] bond_newlink+0x98/0x140 [ 1138.222947][T13352] ? bond_validate+0x270/0x270 [ 1138.228061][T13352] rtnl_newlink+0x2d5f/0x4110 [ 1138.233153][T13352] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1138.239325][T13352] ? rtnl_setlink+0x7f0/0x7f0 [ 1138.244314][T13352] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1138.249773][T13352] ? ref_tracker_free+0x45/0xc10 [ 1138.255045][T13352] ? filter_irq_stacks+0x60/0x1a0 [ 1138.260411][T13352] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1138.266611][T13352] ? filter_irq_stacks+0x164/0x1a0 [ 1138.272151][T13352] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1138.278336][T13352] netlink_rcv_skb+0x371/0x650 [ 1138.283455][T13352] ? rtnetlink_bind+0xf0/0xf0 [ 1138.288472][T13352] ? rtnetlink_net_exit+0x60/0x60 [ 1138.293832][T13352] rtnetlink_rcv+0x34/0x40 [ 1138.298565][T13352] netlink_unicast+0xf47/0x1250 [ 1138.303764][T13352] netlink_sendmsg+0x1238/0x13d0 [ 1138.309064][T13352] ? netlink_getsockopt+0x980/0x980 [ 1138.314602][T13352] ____sys_sendmsg+0x9c2/0xd60 [ 1138.319733][T13352] ___sys_sendmsg+0x28d/0x3c0 [ 1138.324967][T13352] ? __fget_files+0x580/0x640 [ 1138.329951][T13352] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1138.336072][T13352] __x64_sys_sendmsg+0x307/0x490 [ 1138.341333][T13352] do_syscall_64+0x44/0x110 [ 1138.346107][T13352] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1138.352379][T13352] RIP: 0033:0x7f449387cae9 [ 1138.357027][T13352] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1138.376934][T13352] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1138.385641][T13352] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1138.393844][T13352] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1138.402032][T13352] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1138.410221][T13352] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1138.418418][T13352] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1138.426897][T13352] [ 1138.438055][T13352] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1138.469516][T13352] bond10000000000 (unregistered): Released all slaves 02:10:40 executing program 3: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$BTRFS_IOC_SCRUB(r0, 0xc400941b, 0x0) [ 1138.796803][T13359] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1138.807188][T13359] CPU: 0 PID: 13359 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1138.817586][T13359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1138.827906][T13359] Call Trace: [ 1138.831387][T13359] [ 1138.834517][T13359] dump_stack_lvl+0x1bf/0x240 [ 1138.839580][T13359] dump_stack+0x1e/0x20 [ 1138.844121][T13359] sysfs_create_dir_ns+0x459/0x4c0 [ 1138.849554][T13359] ? device_release+0x2e0/0x2e0 [ 1138.854746][T13359] kobject_add_internal+0xd08/0x16a0 [ 1138.860413][T13359] kobject_add+0x28c/0x3b0 [ 1138.865284][T13359] ? kobject_put+0x1fe/0x330 [ 1138.870220][T13359] device_add+0xaa2/0x1f20 [ 1138.874969][T13359] netdev_register_kobject+0x1ec/0x520 [ 1138.880756][T13359] register_netdevice+0x138a/0x1cd0 [ 1138.886304][T13359] bond_newlink+0x98/0x140 [ 1138.891061][T13359] ? bond_validate+0x270/0x270 [ 1138.896179][T13359] rtnl_newlink+0x2d5f/0x4110 [ 1138.901260][T13359] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1138.907420][T13359] ? rtnl_setlink+0x7f0/0x7f0 [ 1138.912428][T13359] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1138.917904][T13359] ? ref_tracker_free+0x45/0xc10 [ 1138.923161][T13359] ? filter_irq_stacks+0x60/0x1a0 [ 1138.928515][T13359] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1138.934698][T13359] ? filter_irq_stacks+0x164/0x1a0 [ 1138.940175][T13359] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1138.946360][T13359] netlink_rcv_skb+0x371/0x650 [ 1138.951479][T13359] ? rtnetlink_bind+0xf0/0xf0 [ 1138.956513][T13359] ? rtnetlink_net_exit+0x60/0x60 [ 1138.961889][T13359] rtnetlink_rcv+0x34/0x40 [ 1138.966621][T13359] netlink_unicast+0xf47/0x1250 [ 1138.971808][T13359] netlink_sendmsg+0x1238/0x13d0 [ 1138.977035][T13359] ? netlink_getsockopt+0x980/0x980 [ 1138.982506][T13359] ____sys_sendmsg+0x9c2/0xd60 [ 1138.987577][T13359] ___sys_sendmsg+0x28d/0x3c0 [ 1138.992549][T13359] ? __fget_files+0x580/0x640 [ 1138.997495][T13359] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1139.003597][T13359] __x64_sys_sendmsg+0x307/0x490 [ 1139.008861][T13359] do_syscall_64+0x44/0x110 [ 1139.013620][T13359] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1139.019879][T13359] RIP: 0033:0x7f9a85a7cae9 [ 1139.024516][T13359] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1139.044401][T13359] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1139.053092][T13359] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1139.061319][T13359] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1139.069532][T13359] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1139.077723][T13359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1139.085924][T13359] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1139.094137][T13359] [ 1139.105942][T13359] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1139.122082][T13359] bond10000000000 (unregistered): Released all slaves 02:10:44 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x300, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:45 executing program 0: bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000001e40)={{}, 0x0, 0x0}, 0x20) 02:10:45 executing program 2: openat$bsg(0xffffffffffffff9c, &(0x7f0000002640), 0x202200, 0x0) 02:10:45 executing program 5: openat$procfs(0xffffffffffffff9c, &(0x7f0000000540)='/proc/timer_list\x00', 0x0, 0x0) 02:10:45 executing program 3: io_setup(0x100, &(0x7f0000000b80)=0x0) io_destroy(r0) [ 1142.657057][T13366] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1142.666756][T13366] CPU: 1 PID: 13366 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1142.677148][T13366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1142.687482][T13366] Call Trace: [ 1142.690961][T13366] [ 1142.694105][T13366] dump_stack_lvl+0x1bf/0x240 [ 1142.699169][T13366] dump_stack+0x1e/0x20 02:10:45 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1142.703715][T13366] sysfs_create_dir_ns+0x459/0x4c0 [ 1142.709153][T13366] ? device_release+0x2e0/0x2e0 [ 1142.714466][T13366] kobject_add_internal+0xd08/0x16a0 [ 1142.720145][T13366] kobject_add+0x28c/0x3b0 [ 1142.724937][T13366] ? kobject_put+0x1fe/0x330 [ 1142.729876][T13366] device_add+0xaa2/0x1f20 [ 1142.734741][T13366] netdev_register_kobject+0x1ec/0x520 [ 1142.740552][T13366] register_netdevice+0x138a/0x1cd0 [ 1142.746187][T13366] bond_newlink+0x98/0x140 [ 1142.750982][T13366] ? bond_validate+0x270/0x270 [ 1142.756088][T13366] rtnl_newlink+0x2d5f/0x4110 [ 1142.761150][T13366] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1142.767766][T13366] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1142.773966][T13366] ? rtnl_setlink+0x7f0/0x7f0 [ 1142.778973][T13366] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1142.784440][T13366] ? ref_tracker_free+0x45/0xc10 [ 1142.789698][T13366] ? filter_irq_stacks+0x60/0x1a0 [ 1142.795057][T13366] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1142.801256][T13366] ? filter_irq_stacks+0x164/0x1a0 [ 1142.806854][T13366] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1142.813041][T13366] netlink_rcv_skb+0x371/0x650 [ 1142.818180][T13366] ? rtnetlink_bind+0xf0/0xf0 [ 1142.823197][T13366] ? rtnetlink_net_exit+0x60/0x60 [ 1142.828550][T13366] rtnetlink_rcv+0x34/0x40 [ 1142.833289][T13366] netlink_unicast+0xf47/0x1250 [ 1142.838676][T13366] netlink_sendmsg+0x1238/0x13d0 [ 1142.843920][T13366] ? netlink_getsockopt+0x980/0x980 [ 1142.849411][T13366] ____sys_sendmsg+0x9c2/0xd60 [ 1142.854514][T13366] ___sys_sendmsg+0x28d/0x3c0 [ 1142.859486][T13366] ? __fget_files+0x580/0x640 [ 1142.864436][T13366] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1142.870553][T13366] __x64_sys_sendmsg+0x307/0x490 [ 1142.875801][T13366] do_syscall_64+0x44/0x110 [ 1142.880550][T13366] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1142.886768][T13366] RIP: 0033:0x7f9a85a7cae9 [ 1142.891547][T13366] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1142.911465][T13366] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1142.920170][T13366] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1142.928393][T13366] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1142.936583][T13366] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1142.944772][T13366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1142.952975][T13366] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1142.961207][T13366] [ 1142.982885][T13366] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1143.005919][T13366] bond10000000000 (unregistered): Released all slaves 02:10:45 executing program 2: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001180)={0x6, 0x3, &(0x7f0000000000)=@framed, &(0x7f0000000040)='syzkaller\x00', 0x6, 0x1000, &(0x7f0000000080)=""/4096}, 0x90) 02:10:45 executing program 3: bpf$MAP_UPDATE_CONST_STR(0x9, 0x0, 0x0) 02:10:45 executing program 5: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f00000014c0)={0x0, 0x0, 0x0, 0x0, &(0x7f00000003c0)=[{0x10}], 0x10}, 0x40040c1) [ 1143.486036][T13375] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1143.496553][T13375] CPU: 1 PID: 13375 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1143.506954][T13375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1143.517303][T13375] Call Trace: [ 1143.520786][T13375] [ 1143.523927][T13375] dump_stack_lvl+0x1bf/0x240 [ 1143.528997][T13375] dump_stack+0x1e/0x20 [ 1143.533502][T13375] sysfs_create_dir_ns+0x459/0x4c0 [ 1143.538946][T13375] ? device_release+0x2e0/0x2e0 [ 1143.544126][T13375] kobject_add_internal+0xd08/0x16a0 [ 1143.549772][T13375] kobject_add+0x28c/0x3b0 [ 1143.554548][T13375] ? kobject_put+0x1fe/0x330 [ 1143.559474][T13375] device_add+0xaa2/0x1f20 [ 1143.564219][T13375] netdev_register_kobject+0x1ec/0x520 [ 1143.570042][T13375] register_netdevice+0x138a/0x1cd0 [ 1143.575606][T13375] bond_newlink+0x98/0x140 [ 1143.580385][T13375] ? bond_validate+0x270/0x270 [ 1143.585500][T13375] rtnl_newlink+0x2d5f/0x4110 [ 1143.590577][T13375] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1143.596750][T13375] ? rtnl_setlink+0x7f0/0x7f0 [ 1143.601739][T13375] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1143.607213][T13375] ? ref_tracker_free+0x45/0xc10 [ 1143.612474][T13375] ? filter_irq_stacks+0x60/0x1a0 [ 1143.617807][T13375] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1143.623981][T13375] ? filter_irq_stacks+0x164/0x1a0 [ 1143.629442][T13375] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1143.635616][T13375] netlink_rcv_skb+0x371/0x650 [ 1143.640731][T13375] ? rtnetlink_bind+0xf0/0xf0 [ 1143.645749][T13375] ? rtnetlink_net_exit+0x60/0x60 [ 1143.651108][T13375] rtnetlink_rcv+0x34/0x40 [ 1143.655851][T13375] netlink_unicast+0xf47/0x1250 [ 1143.661055][T13375] netlink_sendmsg+0x1238/0x13d0 [ 1143.666364][T13375] ? netlink_getsockopt+0x980/0x980 [ 1143.671890][T13375] ____sys_sendmsg+0x9c2/0xd60 [ 1143.677020][T13375] ___sys_sendmsg+0x28d/0x3c0 [ 1143.682052][T13375] ? __fget_files+0x580/0x640 [ 1143.687042][T13375] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1143.693226][T13375] __x64_sys_sendmsg+0x307/0x490 [ 1143.698539][T13375] do_syscall_64+0x44/0x110 [ 1143.703336][T13375] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1143.709602][T13375] RIP: 0033:0x7f449387cae9 [ 1143.714271][T13375] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 02:10:46 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f0000002c40)={0x0, 0x0, &(0x7f0000001a40)=[{&(0x7f0000000440)="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", 0xfb}, {&(0x7f0000000540)="f64642b84469a4cff088f9cd437cd580ed8f237eb7f9e0b50fdfcd871746cadd792e75136649a247b7fab18654d1cba8dd098b0c1576ead050e64ee2da79041719bff7d229c2a96847358624e89f8b098ccd5c8d76b2abcef089fa243f58f7d4eae351aacaa2466cd43cffb8941d9995d911b8d3fb6d1dde33a1b11442f388d40924a875e7e88b3e6cc767ebc025d0218ec942754701048f3720eab3", 0x9c}, {&(0x7f0000000600)="8942f5da6ec20992accae92b2411a06301f4c7881d931f337d104b10858aada7ef567028edd01d615b2a709f92c77f44e406d91e6a68ed256735327f5a616f501af429ba3d1988e086e4653810f3def2ff967f8996a3e6c4febafef8cc40a2f057e68136a42f92add30e5fceed122035422edad3405a06d134b5614babf4ff97c30ef9c9d921a69922e2d2908d8607788bcb93b76cefc371d1f278a6fe316b85f15d6f6612d80f405f75f48c7625307222169d06e54d250ab82d515128ecfaa8480466732dd026be7924f01e6564105c18ed6f992fe9e6ecfc2db308205862", 0xdf}, {&(0x7f0000000700)="6658ff26e402bc8fd643f696b215f3f7a5893aea2975b8012a802e91195447710d3cbd1e66f3c05225f31ae32d7bbb18ca0030ad21b7124a89078a40facbd567f7d090d874be268bebe185879bdafe088ff18fd050b098ec8fe6775f76a0530c1a884d5b3652b233765ef3cd0f16be183e0a65de12004d1d2883be93bbf01c5e921b9d0b78615a585e12176408ade096440bdd9cf8812424885306ff1dece1a1289cb3697d03f3434d5fe44eaae911074d2de058d233a8aae608d93a082c35e34a9b181d41dc74e9616d4418e4b78146d9c37b6f1c6731ea98cc696958564b4ef1f5fa41261f94a4c27a95d7", 0xec}, {&(0x7f0000000800)="dccd59f17836ab2feed6466382ff788b2da4f6de3a5df2230bf25e20c5bd43d836a8e675c6dc3594ed5cb58e853fb5a10ed170714e5e578c330dfbeda7cbfa1cdc2c47188b32194af9ddfd35d7465d5f36d56cadd94b30e41ee09bf8cdc64384d604318a88001913c0ebaa2f10c2e693ce5e56383c71bdbcb17440a2ebe85511a9c06e46eadc5e1600a1e9a77dd9c7abebd44f093711ed812a77851cd8843b91102be81cfeeb08004d69888cf67efdf8a0", 0xb1}, {&(0x7f00000008c0)="8b49a3696c59df1d8855cec790d2e6e8d765629367540e09e70399e7d3114590e227869de69f59c49ecf", 0x2a}, {&(0x7f0000000900)="3e097a521fdafb433c99b0512026ab5c8cd113943b85888ea10105d1c1d3be9fe97eff3e24baba69fdd072c3ea5d201d9ddc6bc877156862c4339ecd8338ab9d72ecec0ca8b604f9bc73d264c0593b23c2993a58ffd438736e1b78f1b89600", 0x5f}, {&(0x7f0000000a00)="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", 0xb64}, {&(0x7f0000001a00)="91", 0x1}], 0x9}, 0x0) [ 1143.734220][T13375] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1143.742972][T13375] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1143.751223][T13375] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1143.759480][T13375] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1143.767735][T13375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1143.775963][T13375] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1143.784238][T13375] 02:10:46 executing program 2: openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000001880)='./cgroup/syz0\x00', 0x200002, 0x0) [ 1143.793334][T13375] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1143.811502][T13375] bond10000000000 (unregistered): Released all slaves 02:10:46 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x500, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:46 executing program 3: openat$tun(0xffffffffffffff9c, &(0x7f0000000180), 0x400, 0x0) 02:10:46 executing program 5: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001180)={0x6, 0x4, &(0x7f0000000000)=@framed={{}, [@func]}, &(0x7f0000000040)='syzkaller\x00', 0x6, 0x1000, &(0x7f0000000080)=""/4096}, 0x90) 02:10:46 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x2, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1144.366521][T13391] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1144.376544][T13391] CPU: 0 PID: 13391 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1144.386952][T13391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1144.397251][T13391] Call Trace: [ 1144.400697][T13391] [ 1144.403796][T13391] dump_stack_lvl+0x1bf/0x240 [ 1144.408796][T13391] dump_stack+0x1e/0x20 [ 1144.413252][T13391] sysfs_create_dir_ns+0x459/0x4c0 [ 1144.418632][T13391] ? device_release+0x2e0/0x2e0 [ 1144.423851][T13391] kobject_add_internal+0xd08/0x16a0 [ 1144.429444][T13391] kobject_add+0x28c/0x3b0 [ 1144.434166][T13391] ? kobject_put+0x1fe/0x330 [ 1144.439062][T13391] device_add+0xaa2/0x1f20 [ 1144.443762][T13391] netdev_register_kobject+0x1ec/0x520 [ 1144.449514][T13391] register_netdevice+0x138a/0x1cd0 [ 1144.455005][T13391] bond_newlink+0x98/0x140 [ 1144.459716][T13391] ? bond_validate+0x270/0x270 [ 1144.464801][T13391] rtnl_newlink+0x2d5f/0x4110 [ 1144.469858][T13391] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1144.476460][T13391] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1144.482597][T13391] ? rtnl_setlink+0x7f0/0x7f0 [ 1144.487683][T13391] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1144.493154][T13391] ? ref_tracker_free+0x45/0xc10 [ 1144.498427][T13391] ? filter_irq_stacks+0x60/0x1a0 [ 1144.503743][T13391] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1144.509861][T13391] ? filter_irq_stacks+0x164/0x1a0 [ 1144.515287][T13391] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1144.521429][T13391] netlink_rcv_skb+0x371/0x650 [ 1144.526495][T13391] ? rtnetlink_bind+0xf0/0xf0 [ 1144.531670][T13391] ? rtnetlink_net_exit+0x60/0x60 [ 1144.536996][T13391] rtnetlink_rcv+0x34/0x40 [ 1144.541683][T13391] netlink_unicast+0xf47/0x1250 [ 1144.546861][T13391] netlink_sendmsg+0x1238/0x13d0 [ 1144.552096][T13391] ? netlink_getsockopt+0x980/0x980 [ 1144.557564][T13391] ____sys_sendmsg+0x9c2/0xd60 [ 1144.562631][T13391] ___sys_sendmsg+0x28d/0x3c0 [ 1144.567617][T13391] ? __fget_files+0x580/0x640 [ 1144.572555][T13391] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1144.578678][T13391] __x64_sys_sendmsg+0x307/0x490 [ 1144.583929][T13391] do_syscall_64+0x44/0x110 [ 1144.588752][T13391] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1144.595003][T13391] RIP: 0033:0x7f9a85a7cae9 [ 1144.599671][T13391] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1144.619570][T13391] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1144.628272][T13391] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1144.636475][T13391] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1144.644660][T13391] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1144.652856][T13391] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1144.661035][T13391] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1144.669255][T13391] [ 1144.686356][T13391] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1144.710565][T13391] bond10000000000 (unregistered): Released all slaves 02:10:47 executing program 0: bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000001380)={0xffffffffffffffff, 0x0, 0x0}, 0x10) 02:10:47 executing program 2: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f0000002c40)={0x0, 0x0, &(0x7f0000001a40)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0, 0x7ffff000}, {0x0}, {0x0}], 0x9}, 0x0) 02:10:47 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f00000028c0)={0x0, 0x0, &(0x7f0000002700)=[{0x0}], 0x1}, 0x0) 02:10:47 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x600, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:47 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f00000028c0)={0x0, 0x0, &(0x7f0000002700)=[{&(0x7f00000000c0)="03597c5dd19246a01eab67dc977c1f481e6e98a9c930e773994d533a2a6944e9e4092bac5bf322538f048821ca8bda93f524636e0dda9385b42c0664daef654d5f4e494ce71699b266cbc6fd0f19f1c3378e", 0x52}, {&(0x7f0000000180)="b17a403a44ff2fbda2b49e7bdcf224856dbf099a13398e28bfe56dd0917e8f51326b6d24f970709849b2e647d133a1610795eec6e52c41b054b4a118cb8a82440ff896f27d9fb2eeca910c6e6294e59c3c02142b1002c8d8733629caa43d8d39f95241e16a99208df0f7a3e6fd206681f4bc9479e6f5ec3e53db854738d9e16cfa48b6527adf201bc9cdd9fdcde08ce4cd66b9775ba4dd0897145a7842d3df345af123deb5012a01a6d352ae5272157e39d0a6a3365dfda6561195d15fb451bb51e919ca1f855a15a3754d85cf0981f972e4635d86", 0xd5}, {&(0x7f0000000280)="68e095cd69f8576deb8808111d26747a14ac721a77a94ec89fd31ffa1b161edc6d14ec7a63cb41cdc394625132c6f94df9b38bb3ad830aea655204cc0f880aa04c2b53a3fa07b62699e262289d656d29e9c55a3da45bdd5e42266a0304f7c071e6a84ab92f56a171d08cb0b46b5bd46dc9d30f7c76715bd2051c818eb6df53aa18b2523cb2b5b6441e7c19116b5da3be968d26dae04c58c241fd56e3d8feff28ccc603c4bd564fc0bbfb643fa42d163ae9e95e8e0c5036afd7415cb64f8d0737d8b151", 0xc3}, {&(0x7f0000001380)="26cfb3feb7ac48238e726cfedd82e088c178f2d64758edc4121a00b8185f8f663fcea2f0d29b1f2065141fd3a9fe19b6b6fe8b444c24113094bce3ea0724f5e3ea0f2942b177f300f71fba59a0b321358f54aa42f747be6423e9280fde9ff21e625b5fd3b2d34434211dc9fde5da2199c1cca87f1f43dcc99541c11484696fbcf9f7cbb5a3f50ee3b7d8c4d0aa3a2692e7a4f62edd513e147f73dc40a5948357409bccd50001f09cd374f58d467e64d5", 0xb0}, {&(0x7f0000001440)="9f62e18606566a40af91f0ae0264774cfd3bc734f4a229fdb4e34277d1efe2ce26eb9fd6a66145c64e62ea526991ffe253e189ae8afa281844449a716b03c883530a476c29c87a1fcfbb58a1797e168c820d9bd705269edf5ee64a1c040a789dcd9a82eaf39aab7bc94aa0014ac8ec32a105ed331971eeaeac2057a4f1cc58fd57a8d3dd326bd93fa13efc18b336aa54e74a16eeadfe0281a8018d2755dc92ed9833f425f75ce6e44aa79a6f1ff9b9640e2bd37ed8e727f2c6ca93e8e77e7b2d4894891b07cf3b2c541d4d2afd859219627e11", 0xd3}, {&(0x7f0000001540)="9a274d49f8b80405a7cf9673202d026794b0b83b29b61f342b9a5863b417747aec8a6fd7878b20317ac591c26d9d4bb708ac", 0x32}, {&(0x7f0000001580)="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", 0xb22}], 0x7}, 0x0) [ 1145.276406][T13400] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1145.286610][T13400] CPU: 0 PID: 13400 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1145.297011][T13400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1145.307325][T13400] Call Trace: [ 1145.310809][T13400] [ 1145.313942][T13400] dump_stack_lvl+0x1bf/0x240 [ 1145.318996][T13400] dump_stack+0x1e/0x20 [ 1145.323494][T13400] sysfs_create_dir_ns+0x459/0x4c0 [ 1145.328924][T13400] ? device_release+0x2e0/0x2e0 [ 1145.334102][T13400] kobject_add_internal+0xd08/0x16a0 [ 1145.339764][T13400] kobject_add+0x28c/0x3b0 [ 1145.344535][T13400] ? kobject_put+0x1fe/0x330 [ 1145.349459][T13400] device_add+0xaa2/0x1f20 [ 1145.354204][T13400] netdev_register_kobject+0x1ec/0x520 [ 1145.360010][T13400] register_netdevice+0x138a/0x1cd0 [ 1145.365587][T13400] bond_newlink+0x98/0x140 [ 1145.370362][T13400] ? bond_validate+0x270/0x270 [ 1145.375476][T13400] rtnl_newlink+0x2d5f/0x4110 [ 1145.380553][T13400] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1145.387153][T13400] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1145.393333][T13400] ? rtnl_setlink+0x7f0/0x7f0 [ 1145.398332][T13400] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1145.403799][T13400] ? ref_tracker_free+0x45/0xc10 [ 1145.409048][T13400] ? filter_irq_stacks+0x60/0x1a0 [ 1145.414414][T13400] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1145.420703][T13400] ? filter_irq_stacks+0x164/0x1a0 [ 1145.426193][T13400] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1145.432381][T13400] netlink_rcv_skb+0x371/0x650 [ 1145.437503][T13400] ? rtnetlink_bind+0xf0/0xf0 [ 1145.442508][T13400] ? rtnetlink_net_exit+0x60/0x60 [ 1145.447860][T13400] rtnetlink_rcv+0x34/0x40 [ 1145.452613][T13400] netlink_unicast+0xf47/0x1250 [ 1145.457803][T13400] netlink_sendmsg+0x1238/0x13d0 [ 1145.463084][T13400] ? netlink_getsockopt+0x980/0x980 [ 1145.468611][T13400] ____sys_sendmsg+0x9c2/0xd60 02:10:47 executing program 3: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, 0x0) [ 1145.473732][T13400] ___sys_sendmsg+0x28d/0x3c0 [ 1145.478758][T13400] ? __fget_files+0x580/0x640 [ 1145.483745][T13400] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1145.489913][T13400] __x64_sys_sendmsg+0x307/0x490 [ 1145.495355][T13400] do_syscall_64+0x44/0x110 [ 1145.500172][T13400] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1145.506441][T13400] RIP: 0033:0x7f9a85a7cae9 [ 1145.511116][T13400] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1145.531071][T13400] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1145.539828][T13400] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1145.548047][T13400] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1145.556273][T13400] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1145.564483][T13400] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1145.572684][T13400] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1145.580913][T13400] [ 1145.592099][T13400] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1145.608650][T13400] bond10000000000 (unregistered): Released all slaves 02:10:48 executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x0, 0x0, 0x0, 0x0, 0x4, 0x1, 0x1}, 0x48) 02:10:48 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x3, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:48 executing program 2: bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000001940)={@map}, 0x20) 02:10:48 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x700, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:48 executing program 5: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$sock(r0, &(0x7f00000003c0)={&(0x7f0000000040)=@qipcrtr, 0x80, 0x0, 0x0, &(0x7f00000002c0)=[@mark={{0x14}}], 0x18}, 0x0) 02:10:48 executing program 3: socketpair(0x2e, 0x0, 0x0, &(0x7f0000000880)) [ 1146.284945][T13425] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1146.295576][T13425] CPU: 1 PID: 13425 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1146.305969][T13425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1146.316330][T13425] Call Trace: [ 1146.319835][T13425] [ 1146.322988][T13425] dump_stack_lvl+0x1bf/0x240 [ 1146.328067][T13425] dump_stack+0x1e/0x20 [ 1146.332577][T13425] sysfs_create_dir_ns+0x459/0x4c0 [ 1146.338012][T13425] ? device_release+0x2e0/0x2e0 [ 1146.343213][T13425] kobject_add_internal+0xd08/0x16a0 [ 1146.348902][T13425] kobject_add+0x28c/0x3b0 [ 1146.353693][T13425] ? kobject_put+0x1fe/0x330 [ 1146.358668][T13425] device_add+0xaa2/0x1f20 [ 1146.363381][T13425] netdev_register_kobject+0x1ec/0x520 [ 1146.369145][T13425] register_netdevice+0x138a/0x1cd0 [ 1146.374649][T13425] bond_newlink+0x98/0x140 [ 1146.379363][T13425] ? bond_validate+0x270/0x270 [ 1146.384438][T13425] rtnl_newlink+0x2d5f/0x4110 [ 1146.389489][T13425] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1146.396071][T13425] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1146.402183][T13425] ? rtnl_setlink+0x7f0/0x7f0 [ 1146.407149][T13425] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1146.412607][T13425] ? ref_tracker_free+0x45/0xc10 [ 1146.417834][T13425] ? filter_irq_stacks+0x60/0x1a0 [ 1146.423150][T13425] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1146.429298][T13425] ? filter_irq_stacks+0x164/0x1a0 [ 1146.434733][T13425] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1146.440904][T13425] netlink_rcv_skb+0x371/0x650 [ 1146.446022][T13425] ? rtnetlink_bind+0xf0/0xf0 [ 1146.451012][T13425] ? rtnetlink_net_exit+0x60/0x60 [ 1146.456311][T13425] rtnetlink_rcv+0x34/0x40 [ 1146.461073][T13425] netlink_unicast+0xf47/0x1250 [ 1146.466240][T13425] netlink_sendmsg+0x1238/0x13d0 [ 1146.471482][T13425] ? netlink_getsockopt+0x980/0x980 [ 1146.476970][T13425] ____sys_sendmsg+0x9c2/0xd60 [ 1146.482047][T13425] ___sys_sendmsg+0x28d/0x3c0 [ 1146.487030][T13425] ? __fget_files+0x580/0x640 [ 1146.491970][T13425] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1146.498097][T13425] __x64_sys_sendmsg+0x307/0x490 [ 1146.503336][T13425] do_syscall_64+0x44/0x110 [ 1146.508086][T13425] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1146.514324][T13425] RIP: 0033:0x7f9a85a7cae9 [ 1146.518995][T13425] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1146.538905][T13425] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1146.547636][T13425] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1146.555842][T13425] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1146.564053][T13425] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1146.572264][T13425] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:10:48 executing program 2: bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f0000000bc0), 0x4) [ 1146.580519][T13425] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1146.588768][T13425] [ 1146.599149][T13425] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1146.615195][T13425] bond10000000000 (unregistered): Released all slaves [ 1146.731357][T13426] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1146.750404][T13426] CPU: 0 PID: 13426 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1146.760822][T13426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1146.771140][T13426] Call Trace: [ 1146.774620][T13426] [ 1146.777723][T13426] dump_stack_lvl+0x1bf/0x240 [ 1146.782722][T13426] dump_stack+0x1e/0x20 [ 1146.787169][T13426] sysfs_create_dir_ns+0x459/0x4c0 [ 1146.792571][T13426] ? device_release+0x2e0/0x2e0 [ 1146.797715][T13426] kobject_add_internal+0xd08/0x16a0 [ 1146.803319][T13426] kobject_add+0x28c/0x3b0 [ 1146.808037][T13426] ? kobject_put+0x1fe/0x330 [ 1146.812938][T13426] device_add+0xaa2/0x1f20 [ 1146.817640][T13426] netdev_register_kobject+0x1ec/0x520 [ 1146.823389][T13426] register_netdevice+0x138a/0x1cd0 [ 1146.828893][T13426] bond_newlink+0x98/0x140 [ 1146.833633][T13426] ? bond_validate+0x270/0x270 [ 1146.838694][T13426] rtnl_newlink+0x2d5f/0x4110 [ 1146.843746][T13426] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1146.849896][T13426] ? rtnl_setlink+0x7f0/0x7f0 [ 1146.854844][T13426] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1146.860283][T13426] ? ref_tracker_free+0x45/0xc10 [ 1146.865528][T13426] ? filter_irq_stacks+0x60/0x1a0 [ 1146.870859][T13426] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1146.876977][T13426] ? filter_irq_stacks+0x164/0x1a0 [ 1146.882373][T13426] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1146.888575][T13426] netlink_rcv_skb+0x371/0x650 [ 1146.893744][T13426] ? rtnetlink_bind+0xf0/0xf0 [ 1146.898783][T13426] ? rtnetlink_net_exit+0x60/0x60 [ 1146.904080][T13426] rtnetlink_rcv+0x34/0x40 [ 1146.908789][T13426] netlink_unicast+0xf47/0x1250 [ 1146.913920][T13426] netlink_sendmsg+0x1238/0x13d0 [ 1146.919165][T13426] ? netlink_getsockopt+0x980/0x980 [ 1146.924676][T13426] ____sys_sendmsg+0x9c2/0xd60 [ 1146.929785][T13426] ___sys_sendmsg+0x28d/0x3c0 [ 1146.934763][T13426] ? __fget_files+0x580/0x640 [ 1146.939711][T13426] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1146.945840][T13426] __x64_sys_sendmsg+0x307/0x490 [ 1146.951140][T13426] do_syscall_64+0x44/0x110 [ 1146.955897][T13426] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1146.962112][T13426] RIP: 0033:0x7f449387cae9 [ 1146.966746][T13426] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1146.986654][T13426] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1146.995358][T13426] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1147.003610][T13426] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1147.011794][T13426] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1147.019980][T13426] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:10:49 executing program 5: syz_clone(0x20009000, 0x0, 0x0, 0x0, 0x0, 0x0) 02:10:49 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f0000002c40)={0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000000040)="36be", 0x2}], 0x1}, 0x4000005) [ 1147.028194][T13426] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1147.036424][T13426] [ 1147.042517][T13426] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1147.071386][T13426] bond10000000000 (unregistered): Released all slaves 02:10:49 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x900, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:50 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x4, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:50 executing program 2: bpf$BPF_PROG_GET_FD_BY_ID(0xd, 0x0, 0x0) syz_clone(0x48180400, 0x0, 0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$unix(r0, &(0x7f0000000800)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="14", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00'], 0x18}, 0x0) [ 1147.704656][T13438] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1147.714496][T13438] CPU: 1 PID: 13438 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1147.724866][T13438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1147.735200][T13438] Call Trace: [ 1147.738661][T13438] [ 1147.741791][T13438] dump_stack_lvl+0x1bf/0x240 [ 1147.746936][T13438] dump_stack+0x1e/0x20 [ 1147.751413][T13438] sysfs_create_dir_ns+0x459/0x4c0 [ 1147.756799][T13438] ? device_release+0x2e0/0x2e0 [ 1147.761968][T13438] kobject_add_internal+0xd08/0x16a0 [ 1147.767613][T13438] kobject_add+0x28c/0x3b0 [ 1147.772385][T13438] ? kobject_put+0x1fe/0x330 [ 1147.777288][T13438] device_add+0xaa2/0x1f20 [ 1147.782012][T13438] netdev_register_kobject+0x1ec/0x520 [ 1147.787766][T13438] register_netdevice+0x138a/0x1cd0 [ 1147.793277][T13438] bond_newlink+0x98/0x140 [ 1147.797989][T13438] ? bond_validate+0x270/0x270 [ 1147.803041][T13438] rtnl_newlink+0x2d5f/0x4110 [ 1147.808071][T13438] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1147.814644][T13438] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1147.820783][T13438] ? rtnl_setlink+0x7f0/0x7f0 [ 1147.825771][T13438] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1147.831204][T13438] ? ref_tracker_free+0x45/0xc10 [ 1147.836485][T13438] ? filter_irq_stacks+0x60/0x1a0 [ 1147.841859][T13438] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1147.847993][T13438] ? filter_irq_stacks+0x164/0x1a0 [ 1147.853439][T13438] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1147.859594][T13438] netlink_rcv_skb+0x371/0x650 [ 1147.864676][T13438] ? rtnetlink_bind+0xf0/0xf0 [ 1147.870188][T13438] ? rtnetlink_net_exit+0x60/0x60 [ 1147.875545][T13438] rtnetlink_rcv+0x34/0x40 [ 1147.880277][T13438] netlink_unicast+0xf47/0x1250 [ 1147.885428][T13438] netlink_sendmsg+0x1238/0x13d0 [ 1147.890660][T13438] ? netlink_getsockopt+0x980/0x980 [ 1147.896145][T13438] ____sys_sendmsg+0x9c2/0xd60 [ 1147.901208][T13438] ___sys_sendmsg+0x28d/0x3c0 [ 1147.906180][T13438] ? __fget_files+0x580/0x640 [ 1147.911122][T13438] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1147.917410][T13438] __x64_sys_sendmsg+0x307/0x490 [ 1147.922677][T13438] do_syscall_64+0x44/0x110 [ 1147.927478][T13438] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1147.933706][T13438] RIP: 0033:0x7f9a85a7cae9 [ 1147.938344][T13438] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1147.958234][T13438] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1147.966964][T13438] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1147.975197][T13438] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1147.983406][T13438] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1147.991598][T13438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:10:50 executing program 0: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000002700)={&(0x7f0000002b40)=ANY=[@ANYBLOB="9feb01001800000000000000ac000000ac00000003000000010000000000000c05000052"], &(0x7f0000001700)=""/4096, 0xc7, 0x1000, 0x1}, 0x20) [ 1147.999783][T13438] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1148.008001][T13438] [ 1148.020081][T13438] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1148.036141][T13438] bond10000000000 (unregistered): Released all slaves 02:10:50 executing program 3: bpf$PROG_BIND_MAP(0x23, &(0x7f0000003140), 0xc) 02:10:50 executing program 5: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f0000002c40)={0x0, 0x0, &(0x7f0000001a40)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x9}, 0x0) 02:10:50 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0xa00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1148.544395][T13444] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1148.554176][T13444] CPU: 1 PID: 13444 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1148.564551][T13444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1148.574848][T13444] Call Trace: [ 1148.578310][T13444] [ 1148.581411][T13444] dump_stack_lvl+0x1bf/0x240 [ 1148.586426][T13444] dump_stack+0x1e/0x20 [ 1148.590911][T13444] sysfs_create_dir_ns+0x459/0x4c0 [ 1148.596296][T13444] ? device_release+0x2e0/0x2e0 [ 1148.601434][T13444] kobject_add_internal+0xd08/0x16a0 [ 1148.607063][T13444] kobject_add+0x28c/0x3b0 [ 1148.611814][T13444] ? kobject_put+0x1fe/0x330 [ 1148.616702][T13444] device_add+0xaa2/0x1f20 [ 1148.621415][T13444] netdev_register_kobject+0x1ec/0x520 [ 1148.627193][T13444] register_netdevice+0x138a/0x1cd0 [ 1148.632711][T13444] bond_newlink+0x98/0x140 [ 1148.637445][T13444] ? bond_validate+0x270/0x270 [ 1148.642526][T13444] rtnl_newlink+0x2d5f/0x4110 [ 1148.647576][T13444] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1148.654146][T13444] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1148.660260][T13444] ? rtnl_setlink+0x7f0/0x7f0 [ 1148.665193][T13444] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1148.670595][T13444] ? ref_tracker_free+0x45/0xc10 [ 1148.675800][T13444] ? filter_irq_stacks+0x60/0x1a0 [ 1148.681137][T13444] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1148.687262][T13444] ? filter_irq_stacks+0x164/0x1a0 [ 1148.692711][T13444] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1148.698877][T13444] netlink_rcv_skb+0x371/0x650 [ 1148.703952][T13444] ? rtnetlink_bind+0xf0/0xf0 [ 1148.708911][T13444] ? rtnetlink_net_exit+0x60/0x60 [ 1148.714229][T13444] rtnetlink_rcv+0x34/0x40 [ 1148.718952][T13444] netlink_unicast+0xf47/0x1250 [ 1148.724115][T13444] netlink_sendmsg+0x1238/0x13d0 [ 1148.729345][T13444] ? netlink_getsockopt+0x980/0x980 [ 1148.734824][T13444] ____sys_sendmsg+0x9c2/0xd60 [ 1148.739884][T13444] ___sys_sendmsg+0x28d/0x3c0 [ 1148.744852][T13444] ? __fget_files+0x580/0x640 [ 1148.749835][T13444] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1148.755998][T13444] __x64_sys_sendmsg+0x307/0x490 [ 1148.761277][T13444] do_syscall_64+0x44/0x110 [ 1148.766038][T13444] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1148.772271][T13444] RIP: 0033:0x7f449387cae9 [ 1148.776943][T13444] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1148.796840][T13444] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1148.805569][T13444] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1148.813821][T13444] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1148.822006][T13444] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1148.830191][T13444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1148.838378][T13444] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1148.846591][T13444] [ 1148.861660][T13444] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1148.878446][T13444] bond10000000000 (unregistered): Released all slaves 02:10:51 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000780)={0xffffffffffffffff}) sendmsg$sock(r0, &(0x7f0000000ac0)={&(0x7f00000007c0)=@isdn, 0x80, 0x0, 0x0, &(0x7f0000000a40)=[@timestamping={{0x14}}, @txtime={{0x18}}], 0x30}, 0x0) 02:10:51 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f0000002c40)={0x0, 0x0, &(0x7f0000001a40)=[{&(0x7f0000000440)="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", 0xfb}, {&(0x7f0000000540)="f64642b84469a4cff088f9cd437cd580ed8f237eb7f9e0b50fdfcd871746cadd792e75136649a247b7fab18654d1cba8dd098b0c1576ead050e64ee2da79041719bff7d229c2a96847358624e89f8b098ccd5c8d76b2abcef089fa243f58f7d4eae351aacaa2466cd43cffb8941d9995d911b8d3fb6d1dde33a1b11442f388d40924a875e7e88b3e6cc767ebc025d0218ec942754701048f3720eab3", 0x9c}, {&(0x7f0000000600)="8942f5da6ec20992accae92b2411a06301f4c7881d931f337d104b10858aada7ef567028edd01d615b2a709f92c77f44e406d91e6a68ed256735327f5a616f501af429ba3d1988e086e4653810f3def2ff967f8996a3e6c4febafef8cc40a2f057e68136a42f92add30e5fceed122035422edad3405a06d134b5614babf4ff97c30ef9c9d921a69922e2d2908d8607788bcb93b76cefc371d1f278a6fe316b85f15d6f6612d80f405f75f48c7625307222169d06e54d250ab82d515128ecfaa8480466732dd026be7924f01e6564105c18ed6f992fe9e6ecfc2db308205862155494b9", 0xe3}, {&(0x7f0000000700)="6658ff26e402bc8fd643f696b215f3f7a5893aea2975b8012a802e91195447710d3cbd1e66f3c05225f31ae32d7bbb18ca0030ad21b7124a89078a40facbd567f7d090d874be268bebe185879bdafe088ff18fd050b098ec8fe6775f76a0530c1a884d5b3652b233765ef3cd0f16be183e0a65de12004d1d2883be93bbf01c5e921b9d0b78615a585e12176408ade096440bdd9cf8812424885306ff1dece1a1289cb3697d03f3434d5fe44eaae911074d2de058d233a8aae608d93a082c35e34a9b181d41dc74e9616d4418e4b78146d9c37b6f1c6731ea98cc696958564b4ef1f5fa41261f94a4c27a95d727e4", 0xee}, {&(0x7f0000000800)="dccd59f17836ab2feed6466382ff788b2da4f6de3a5df2230bf25e20c5bd43d836a8e675c6dc3594ed5cb58e853fb5a10ed170714e5e578c330dfbeda7cbfa1cdc2c47188b32194af9ddfd35d7465d5f36d56cadd94b30e41ee09bf8cdc64384d604318a88001913c0ebaa2f10c2e693ce5e56383c71bdbcb17440a2ebe85511a9c06e46eadc5e1600a1e9a77dd9c7abebd44f093711ed812a7785", 0x9b}, {&(0x7f00000008c0)="8b49a3696c59df1d8855cec790d2e6e8d765629367540e09e70399e7d3114590e227869de69f59c49ecf", 0x2a}, {&(0x7f0000000900)="3e097a521fdafb433c99b0512026ab5c8cd113943b85888ea10105d1c1d3be9fe97eff3e24baba69fdd072c3ea5d201d9ddc6bc877156862c4339ecd8338ab9d72ecec0ca8b604f9bc73d264c0593b23c2993a58ffd438736e1b78f1b89600", 0x5f}, {&(0x7f0000000a00)="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", 0xa35}], 0x8}, 0x0) 02:10:51 executing program 0: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000002700)={&(0x7f0000002b40)=ANY=[], &(0x7f0000001700)=""/4096, 0xc7, 0x1000, 0x1}, 0x20) 02:10:51 executing program 5: bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000400)={@ifindex, 0xffffffffffffffff, 0x0, 0x0, 0x0, @link_id=0xffffffffffffffff}, 0x20) 02:10:52 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x5, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:52 executing program 5: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f0000002c40)={0x0, 0x0, &(0x7f0000001a40)=[{0x0}, {0x0, 0x803e000000000000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x9}, 0x0) 02:10:52 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0xb00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1150.178592][T13472] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1150.188411][T13472] CPU: 1 PID: 13472 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1150.198798][T13472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1150.209136][T13472] Call Trace: [ 1150.212617][T13472] [ 1150.215758][T13472] dump_stack_lvl+0x1bf/0x240 [ 1150.220817][T13472] dump_stack+0x1e/0x20 [ 1150.225407][T13472] sysfs_create_dir_ns+0x459/0x4c0 [ 1150.230880][T13472] ? device_release+0x2e0/0x2e0 [ 1150.236075][T13472] kobject_add_internal+0xd08/0x16a0 [ 1150.241715][T13472] kobject_add+0x28c/0x3b0 [ 1150.246438][T13472] ? kobject_put+0x1fe/0x330 [ 1150.251306][T13472] device_add+0xaa2/0x1f20 [ 1150.256004][T13472] netdev_register_kobject+0x1ec/0x520 [ 1150.261755][T13472] register_netdevice+0x138a/0x1cd0 [ 1150.267244][T13472] bond_newlink+0x98/0x140 [ 1150.271950][T13472] ? bond_validate+0x270/0x270 [ 1150.276999][T13472] rtnl_newlink+0x2d5f/0x4110 [ 1150.282059][T13472] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1150.288167][T13472] ? rtnl_setlink+0x7f0/0x7f0 [ 1150.293102][T13472] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1150.298507][T13472] ? ref_tracker_free+0x45/0xc10 [ 1150.303720][T13472] ? filter_irq_stacks+0x60/0x1a0 [ 1150.309019][T13472] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1150.315129][T13472] ? filter_irq_stacks+0x164/0x1a0 [ 1150.320517][T13472] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1150.326641][T13472] netlink_rcv_skb+0x371/0x650 [ 1150.331748][T13472] ? rtnetlink_bind+0xf0/0xf0 [ 1150.336728][T13472] ? rtnetlink_net_exit+0x60/0x60 [ 1150.342017][T13472] rtnetlink_rcv+0x34/0x40 [ 1150.346697][T13472] netlink_unicast+0xf47/0x1250 [ 1150.351858][T13472] netlink_sendmsg+0x1238/0x13d0 [ 1150.357124][T13472] ? netlink_getsockopt+0x980/0x980 [ 1150.362616][T13472] ____sys_sendmsg+0x9c2/0xd60 [ 1150.367732][T13472] ___sys_sendmsg+0x28d/0x3c0 [ 1150.372728][T13472] ? __fget_files+0x580/0x640 [ 1150.377696][T13472] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1150.383813][T13472] __x64_sys_sendmsg+0x307/0x490 [ 1150.389054][T13472] do_syscall_64+0x44/0x110 [ 1150.393802][T13472] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1150.400004][T13472] RIP: 0033:0x7f9a85a7cae9 [ 1150.404635][T13472] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1150.424509][T13472] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1150.433214][T13472] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1150.441424][T13472] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1150.449612][T13472] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1150.457795][T13472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1150.465974][T13472] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1150.474195][T13472] [ 1150.485546][T13472] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1150.501581][T13472] bond10000000000 (unregistered): Released all slaves 02:10:54 executing program 0: openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='cpuset.effective_cpus\x00', 0x0, 0x0) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000180)='blkio.bfq.sectors\x00', 0x0, 0x0) 02:10:54 executing program 3: r0 = getpid() bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000300)={r0, 0xffffffffffffffff, 0x0, 0x0, 0x0}, 0x30) 02:10:54 executing program 5: mprotect(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0) msync(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0) 02:10:54 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x6, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:54 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0xc00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:54 executing program 2: r0 = socket$inet_sctp(0x2, 0x5, 0x84) r1 = socket$inet6_sctp(0x1c, 0x5, 0x84) r2 = dup2(r0, r1) getsockopt$inet_sctp_SCTP_HMAC_IDENT(r2, 0x84, 0x14, &(0x7f0000000080), &(0x7f00000000c0)=0x4) [ 1152.709721][T13479] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1152.720476][T13479] CPU: 1 PID: 13479 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1152.730868][T13479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1152.741191][T13479] Call Trace: [ 1152.744674][T13479] [ 1152.747800][T13479] dump_stack_lvl+0x1bf/0x240 [ 1152.752866][T13479] dump_stack+0x1e/0x20 [ 1152.757372][T13479] sysfs_create_dir_ns+0x459/0x4c0 [ 1152.762801][T13479] ? device_release+0x2e0/0x2e0 [ 1152.767985][T13479] kobject_add_internal+0xd08/0x16a0 [ 1152.773644][T13479] kobject_add+0x28c/0x3b0 [ 1152.778413][T13479] ? kobject_put+0x1fe/0x330 [ 1152.783340][T13479] device_add+0xaa2/0x1f20 [ 1152.788123][T13479] netdev_register_kobject+0x1ec/0x520 [ 1152.793947][T13479] register_netdevice+0x138a/0x1cd0 [ 1152.799508][T13479] bond_newlink+0x98/0x140 [ 1152.804271][T13479] ? bond_validate+0x270/0x270 02:10:55 executing program 3: r0 = shmget(0x3, 0x3000, 0x0, &(0x7f0000ffc000/0x3000)=nil) shmat(r0, &(0x7f0000ffc000/0x4000)=nil, 0x3000) madvise(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x3) [ 1152.809398][T13479] rtnl_newlink+0x2d5f/0x4110 [ 1152.814482][T13479] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1152.821093][T13479] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1152.827259][T13479] ? rtnl_setlink+0x7f0/0x7f0 [ 1152.832251][T13479] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1152.837725][T13479] ? ref_tracker_free+0x45/0xc10 [ 1152.842980][T13479] ? filter_irq_stacks+0x60/0x1a0 [ 1152.848346][T13479] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1152.854516][T13479] ? filter_irq_stacks+0x164/0x1a0 [ 1152.859982][T13479] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1152.866160][T13479] netlink_rcv_skb+0x371/0x650 [ 1152.871281][T13479] ? rtnetlink_bind+0xf0/0xf0 [ 1152.876303][T13479] ? rtnetlink_net_exit+0x60/0x60 [ 1152.881654][T13479] rtnetlink_rcv+0x34/0x40 [ 1152.886390][T13479] netlink_unicast+0xf47/0x1250 [ 1152.891581][T13479] netlink_sendmsg+0x1238/0x13d0 [ 1152.896870][T13479] ? netlink_getsockopt+0x980/0x980 [ 1152.902410][T13479] ____sys_sendmsg+0x9c2/0xd60 [ 1152.907527][T13479] ___sys_sendmsg+0x28d/0x3c0 [ 1152.912554][T13479] ? __fget_files+0x580/0x640 [ 1152.917547][T13479] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1152.923720][T13479] __x64_sys_sendmsg+0x307/0x490 [ 1152.929021][T13479] do_syscall_64+0x44/0x110 [ 1152.933802][T13479] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1152.940053][T13479] RIP: 0033:0x7f449387cae9 [ 1152.944687][T13479] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1152.964567][T13479] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1152.973281][T13479] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1152.981549][T13479] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1152.989766][T13479] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1152.997984][T13479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1153.006174][T13479] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1153.014394][T13479] [ 1153.031346][T13479] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1153.048963][T13479] bond10000000000 (unregistered): Released all slaves 02:10:55 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x5e, &(0x7f0000000000)={@local, @remote, @val, {@ipv6}}, 0x0) [ 1153.222507][T13482] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1153.232274][T13482] CPU: 0 PID: 13482 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1153.242706][T13482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1153.253019][T13482] Call Trace: [ 1153.256509][T13482] [ 1153.259641][T13482] dump_stack_lvl+0x1bf/0x240 [ 1153.264691][T13482] dump_stack+0x1e/0x20 [ 1153.269188][T13482] sysfs_create_dir_ns+0x459/0x4c0 [ 1153.274618][T13482] ? device_release+0x2e0/0x2e0 [ 1153.279793][T13482] kobject_add_internal+0xd08/0x16a0 [ 1153.285456][T13482] kobject_add+0x28c/0x3b0 [ 1153.290180][T13482] ? kobject_put+0x1fe/0x330 [ 1153.295066][T13482] device_add+0xaa2/0x1f20 [ 1153.299798][T13482] netdev_register_kobject+0x1ec/0x520 [ 1153.305551][T13482] register_netdevice+0x138a/0x1cd0 [ 1153.311040][T13482] bond_newlink+0x98/0x140 [ 1153.315776][T13482] ? bond_validate+0x270/0x270 [ 1153.320805][T13482] rtnl_newlink+0x2d5f/0x4110 [ 1153.325810][T13482] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1153.331912][T13482] ? rtnl_setlink+0x7f0/0x7f0 [ 1153.336843][T13482] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1153.342250][T13482] ? ref_tracker_free+0x45/0xc10 [ 1153.347451][T13482] ? filter_irq_stacks+0x60/0x1a0 [ 1153.352847][T13482] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1153.359001][T13482] ? filter_irq_stacks+0x164/0x1a0 [ 1153.364438][T13482] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1153.370572][T13482] netlink_rcv_skb+0x371/0x650 [ 1153.375629][T13482] ? rtnetlink_bind+0xf0/0xf0 [ 1153.380587][T13482] ? rtnetlink_net_exit+0x60/0x60 [ 1153.385880][T13482] rtnetlink_rcv+0x34/0x40 [ 1153.390561][T13482] netlink_unicast+0xf47/0x1250 [ 1153.395712][T13482] netlink_sendmsg+0x1238/0x13d0 [ 1153.401014][T13482] ? netlink_getsockopt+0x980/0x980 [ 1153.406493][T13482] ____sys_sendmsg+0x9c2/0xd60 [ 1153.411562][T13482] ___sys_sendmsg+0x28d/0x3c0 [ 1153.416532][T13482] ? __fget_files+0x580/0x640 [ 1153.421468][T13482] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1153.427572][T13482] __x64_sys_sendmsg+0x307/0x490 [ 1153.432837][T13482] do_syscall_64+0x44/0x110 [ 1153.437577][T13482] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1153.443779][T13482] RIP: 0033:0x7f9a85a7cae9 [ 1153.448413][T13482] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1153.468295][T13482] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1153.476990][T13482] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1153.485188][T13482] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1153.493371][T13482] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1153.501571][T13482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1153.509774][T13482] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1153.518000][T13482] [ 1153.532245][T13482] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1153.548893][T13482] bond10000000000 (unregistered): Released all slaves 02:10:56 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x7, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:56 executing program 0: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) setsockopt$sock_int(r0, 0xffff, 0x200, &(0x7f0000000100), 0x4) 02:10:56 executing program 2: munmap(&(0x7f0000ffa000/0x3000)=nil, 0x3000) mincore(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0) 02:10:56 executing program 3: r0 = socket$inet_sctp(0x2, 0x5, 0x84) r1 = socket$inet6_sctp(0x1c, 0x5, 0x84) r2 = dup2(r0, r1) getsockopt$inet_sctp_SCTP_HMAC_IDENT(r2, 0x84, 0x14, &(0x7f0000000080)={0x2, [0x0, 0x0]}, &(0x7f00000000c0)=0x8) [ 1154.008545][T13498] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1154.025436][T13498] CPU: 0 PID: 13498 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1154.035848][T13498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1154.046168][T13498] Call Trace: [ 1154.049647][T13498] [ 1154.052765][T13498] dump_stack_lvl+0x1bf/0x240 [ 1154.057835][T13498] dump_stack+0x1e/0x20 [ 1154.062360][T13498] sysfs_create_dir_ns+0x459/0x4c0 [ 1154.067798][T13498] ? device_release+0x2e0/0x2e0 [ 1154.072960][T13498] kobject_add_internal+0xd08/0x16a0 [ 1154.078585][T13498] kobject_add+0x28c/0x3b0 [ 1154.083311][T13498] ? kobject_put+0x1fe/0x330 [ 1154.088199][T13498] device_add+0xaa2/0x1f20 [ 1154.092909][T13498] netdev_register_kobject+0x1ec/0x520 [ 1154.098683][T13498] register_netdevice+0x138a/0x1cd0 [ 1154.104169][T13498] bond_newlink+0x98/0x140 [ 1154.108873][T13498] ? bond_validate+0x270/0x270 [ 1154.113937][T13498] rtnl_newlink+0x2d5f/0x4110 [ 1154.118978][T13498] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1154.125530][T13498] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1154.131637][T13498] ? rtnl_setlink+0x7f0/0x7f0 [ 1154.136681][T13498] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1154.142081][T13498] ? ref_tracker_free+0x45/0xc10 [ 1154.147264][T13498] ? filter_irq_stacks+0x60/0x1a0 [ 1154.152545][T13498] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1154.158664][T13498] ? filter_irq_stacks+0x164/0x1a0 [ 1154.164064][T13498] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1154.170161][T13498] netlink_rcv_skb+0x371/0x650 [ 1154.175207][T13498] ? rtnetlink_bind+0xf0/0xf0 [ 1154.180149][T13498] ? rtnetlink_net_exit+0x60/0x60 [ 1154.185453][T13498] rtnetlink_rcv+0x34/0x40 [ 1154.190133][T13498] netlink_unicast+0xf47/0x1250 [ 1154.195267][T13498] netlink_sendmsg+0x1238/0x13d0 [ 1154.200499][T13498] ? netlink_getsockopt+0x980/0x980 [ 1154.205971][T13498] ____sys_sendmsg+0x9c2/0xd60 [ 1154.211035][T13498] ___sys_sendmsg+0x28d/0x3c0 [ 1154.216018][T13498] ? __fget_files+0x580/0x640 [ 1154.220981][T13498] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1154.227106][T13498] __x64_sys_sendmsg+0x307/0x490 [ 1154.232350][T13498] do_syscall_64+0x44/0x110 [ 1154.237094][T13498] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1154.243304][T13498] RIP: 0033:0x7f449387cae9 [ 1154.247937][T13498] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1154.267813][T13498] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1154.276502][T13498] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1154.284701][T13498] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1154.292892][T13498] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1154.301080][T13498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1154.309264][T13498] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1154.317521][T13498] [ 1154.321575][T13498] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1154.346472][T13498] bond10000000000 (unregistered): Released all slaves 02:10:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0xd00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:56 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f00000000c0)=0x4, 0x4) 02:10:57 executing program 2: r0 = socket$inet_sctp(0x2, 0x5, 0x84) sendto$inet(r0, &(0x7f0000000000)="fc", 0x1, 0x0, &(0x7f0000000100)={0x10, 0x2}, 0x10) 02:10:57 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x8, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:57 executing program 0: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) recvmsg(r0, &(0x7f00000027c0)={0x0, 0x0, 0x0, 0x0, &(0x7f00000026c0)=""/223, 0xdf}, 0x400c1) 02:10:57 executing program 3: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000040)={0x10, 0x2}, 0x10) sendmsg$inet_sctp(r0, &(0x7f0000000240)={&(0x7f0000000100)=@in6={0x1c, 0x1c}, 0x1c, &(0x7f0000000180)=[{&(0x7f0000000140)="e0", 0x1}], 0x1, &(0x7f00000001c0)=[@authinfo={0x10}], 0x10}, 0x0) 02:10:57 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0xe00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:57 executing program 5: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) recvmsg(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x82) 02:10:57 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x2, &(0x7f0000000080)=0xe1, 0x4) [ 1155.516021][T13526] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1155.525571][T13526] CPU: 0 PID: 13526 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1155.535952][T13526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1155.546261][T13526] Call Trace: [ 1155.549738][T13526] [ 1155.552866][T13526] dump_stack_lvl+0x1bf/0x240 [ 1155.557914][T13526] dump_stack+0x1e/0x20 [ 1155.562422][T13526] sysfs_create_dir_ns+0x459/0x4c0 [ 1155.567849][T13526] ? device_release+0x2e0/0x2e0 [ 1155.573020][T13526] kobject_add_internal+0xd08/0x16a0 [ 1155.578671][T13526] kobject_add+0x28c/0x3b0 [ 1155.583453][T13526] ? kobject_put+0x1fe/0x330 [ 1155.588382][T13526] device_add+0xaa2/0x1f20 [ 1155.593571][T13526] netdev_register_kobject+0x1ec/0x520 [ 1155.599366][T13526] register_netdevice+0x138a/0x1cd0 [ 1155.604905][T13526] bond_newlink+0x98/0x140 [ 1155.610662][T13526] ? bond_validate+0x270/0x270 [ 1155.615706][T13526] rtnl_newlink+0x2d5f/0x4110 [ 1155.620708][T13526] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1155.627250][T13526] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1155.633374][T13526] ? rtnl_setlink+0x7f0/0x7f0 [ 1155.638339][T13526] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1155.643756][T13526] ? ref_tracker_free+0x45/0xc10 [ 1155.648964][T13526] ? filter_irq_stacks+0x60/0x1a0 [ 1155.654289][T13526] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1155.660402][T13526] ? filter_irq_stacks+0x164/0x1a0 [ 1155.665787][T13526] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1155.671885][T13526] netlink_rcv_skb+0x371/0x650 [ 1155.676923][T13526] ? rtnetlink_bind+0xf0/0xf0 [ 1155.681870][T13526] ? rtnetlink_net_exit+0x60/0x60 [ 1155.687148][T13526] rtnetlink_rcv+0x34/0x40 [ 1155.691810][T13526] netlink_unicast+0xf47/0x1250 [ 1155.696932][T13526] netlink_sendmsg+0x1238/0x13d0 [ 1155.702156][T13526] ? netlink_getsockopt+0x980/0x980 [ 1155.708057][T13526] ____sys_sendmsg+0x9c2/0xd60 [ 1155.713123][T13526] ___sys_sendmsg+0x28d/0x3c0 [ 1155.718076][T13526] ? __fget_files+0x580/0x640 [ 1155.723007][T13526] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1155.729106][T13526] __x64_sys_sendmsg+0x307/0x490 [ 1155.734339][T13526] do_syscall_64+0x44/0x110 [ 1155.739082][T13526] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1155.745283][T13526] RIP: 0033:0x7f449387cae9 [ 1155.749939][T13526] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1155.769846][T13526] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1155.778532][T13526] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1155.786730][T13526] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1155.795346][T13526] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1155.803534][T13526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1155.811710][T13526] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1155.819916][T13526] [ 1155.833841][T13526] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1155.850294][T13526] bond10000000000 (unregistered): Released all slaves [ 1156.082375][T13531] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1156.092059][T13531] CPU: 1 PID: 13531 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1156.102414][T13531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1156.112668][T13531] Call Trace: [ 1156.116114][T13531] [ 1156.119213][T13531] dump_stack_lvl+0x1bf/0x240 [ 1156.124198][T13531] dump_stack+0x1e/0x20 [ 1156.128619][T13531] sysfs_create_dir_ns+0x459/0x4c0 [ 1156.133983][T13531] ? device_release+0x2e0/0x2e0 [ 1156.139115][T13531] kobject_add_internal+0xd08/0x16a0 [ 1156.144710][T13531] kobject_add+0x28c/0x3b0 [ 1156.149448][T13531] ? kobject_put+0x1fe/0x330 [ 1156.154332][T13531] device_add+0xaa2/0x1f20 [ 1156.159011][T13531] netdev_register_kobject+0x1ec/0x520 [ 1156.164780][T13531] register_netdevice+0x138a/0x1cd0 [ 1156.170313][T13531] bond_newlink+0x98/0x140 [ 1156.175013][T13531] ? bond_validate+0x270/0x270 [ 1156.180069][T13531] rtnl_newlink+0x2d5f/0x4110 [ 1156.185119][T13531] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1156.191251][T13531] ? rtnl_setlink+0x7f0/0x7f0 [ 1156.196183][T13531] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1156.201625][T13531] ? ref_tracker_free+0x45/0xc10 [ 1156.206884][T13531] ? filter_irq_stacks+0x60/0x1a0 [ 1156.212214][T13531] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1156.218334][T13531] ? filter_irq_stacks+0x164/0x1a0 [ 1156.223721][T13531] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1156.229827][T13531] netlink_rcv_skb+0x371/0x650 [ 1156.234880][T13531] ? rtnetlink_bind+0xf0/0xf0 [ 1156.239831][T13531] ? rtnetlink_net_exit+0x60/0x60 [ 1156.245115][T13531] rtnetlink_rcv+0x34/0x40 [ 1156.249808][T13531] netlink_unicast+0xf47/0x1250 [ 1156.254945][T13531] netlink_sendmsg+0x1238/0x13d0 [ 1156.260166][T13531] ? netlink_getsockopt+0x980/0x980 [ 1156.265638][T13531] ____sys_sendmsg+0x9c2/0xd60 [ 1156.270750][T13531] ___sys_sendmsg+0x28d/0x3c0 [ 1156.275721][T13531] ? __fget_files+0x580/0x640 [ 1156.280664][T13531] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1156.286774][T13531] __x64_sys_sendmsg+0x307/0x490 [ 1156.292029][T13531] do_syscall_64+0x44/0x110 [ 1156.296774][T13531] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1156.303008][T13531] RIP: 0033:0x7f9a85a7cae9 [ 1156.307750][T13531] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1156.327694][T13531] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1156.336399][T13531] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1156.344610][T13531] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1156.352799][T13531] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1156.360981][T13531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1156.369196][T13531] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1156.377445][T13531] 02:10:58 executing program 3: r0 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) sendto$inet6(r0, &(0x7f0000000040)="a5", 0x1, 0x0, &(0x7f0000000140)={0x1c, 0x1c}, 0x1c) [ 1156.387236][T13531] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1156.403463][T13531] bond10000000000 (unregistered): Released all slaves [ 1156.456858][ T1213] ieee802154 phy0 wpan0: encryption failed: -22 [ 1156.463881][ T1213] ieee802154 phy1 wpan1: encryption failed: -22 02:10:59 executing program 5: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000040)={0x10, 0x2}, 0x10) getsockopt$inet_sctp_SCTP_STATUS(r0, 0x84, 0x100, &(0x7f00000000c0), &(0x7f0000000180)=0xb0) 02:10:59 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x9, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:10:59 executing program 0: accept$inet(0xffffffffffffffff, &(0x7f00000001c0), 0x0) 02:10:59 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0xf00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:10:59 executing program 2: r0 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) getsockopt$inet6_int(r0, 0x29, 0x25, 0x0, &(0x7f0000000000)) 02:10:59 executing program 5: r0 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) getsockopt$inet6_int(r0, 0x29, 0x26, 0x0, &(0x7f00000000c0)) [ 1157.265099][T13543] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1157.274697][T13543] CPU: 0 PID: 13543 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1157.285104][T13543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1157.295429][T13543] Call Trace: [ 1157.298907][T13543] [ 1157.302042][T13543] dump_stack_lvl+0x1bf/0x240 [ 1157.307093][T13543] dump_stack+0x1e/0x20 [ 1157.311598][T13543] sysfs_create_dir_ns+0x459/0x4c0 [ 1157.317021][T13543] ? device_release+0x2e0/0x2e0 [ 1157.322238][T13543] kobject_add_internal+0xd08/0x16a0 [ 1157.327896][T13543] kobject_add+0x28c/0x3b0 [ 1157.332671][T13543] ? kobject_put+0x1fe/0x330 [ 1157.337588][T13543] device_add+0xaa2/0x1f20 [ 1157.342345][T13543] netdev_register_kobject+0x1ec/0x520 [ 1157.348149][T13543] register_netdevice+0x138a/0x1cd0 [ 1157.353692][T13543] bond_newlink+0x98/0x140 [ 1157.358459][T13543] ? bond_validate+0x270/0x270 [ 1157.363563][T13543] rtnl_newlink+0x2d5f/0x4110 [ 1157.368646][T13543] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1157.375251][T13543] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1157.381415][T13543] ? rtnl_setlink+0x7f0/0x7f0 [ 1157.386396][T13543] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1157.391855][T13543] ? ref_tracker_free+0x45/0xc10 [ 1157.397109][T13543] ? filter_irq_stacks+0x60/0x1a0 [ 1157.402463][T13543] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1157.408630][T13543] ? filter_irq_stacks+0x164/0x1a0 [ 1157.414083][T13543] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1157.420259][T13543] netlink_rcv_skb+0x371/0x650 [ 1157.425368][T13543] ? rtnetlink_bind+0xf0/0xf0 [ 1157.430376][T13543] ? rtnetlink_net_exit+0x60/0x60 [ 1157.435724][T13543] rtnetlink_rcv+0x34/0x40 [ 1157.440456][T13543] netlink_unicast+0xf47/0x1250 [ 1157.445642][T13543] netlink_sendmsg+0x1238/0x13d0 [ 1157.450944][T13543] ? netlink_getsockopt+0x980/0x980 [ 1157.456480][T13543] ____sys_sendmsg+0x9c2/0xd60 [ 1157.462392][T13543] ___sys_sendmsg+0x28d/0x3c0 [ 1157.467423][T13543] ? __fget_files+0x580/0x640 [ 1157.472418][T13543] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1157.478596][T13543] __x64_sys_sendmsg+0x307/0x490 [ 1157.483907][T13543] do_syscall_64+0x44/0x110 [ 1157.488704][T13543] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1157.494965][T13543] RIP: 0033:0x7f449387cae9 [ 1157.499644][T13543] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1157.519585][T13543] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1157.528346][T13543] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1157.536614][T13543] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1157.544847][T13543] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1157.553124][T13543] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1157.561347][T13543] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1157.569611][T13543] [ 1157.583903][T13543] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1157.607040][T13543] bond10000000000 (unregistered): Released all slaves 02:10:59 executing program 0: r0 = shmget(0x3, 0x3000, 0x0, &(0x7f0000ffc000/0x3000)=nil) shmat(r0, &(0x7f0000ffc000/0x4000)=nil, 0x3000) shmat(r0, &(0x7f0000ff0000/0x10000)=nil, 0x1000) shmdt(0x0) 02:11:00 executing program 3: r0 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) getsockopt$inet6_int(r0, 0x29, 0x9, 0x0, &(0x7f00000000c0)) [ 1157.854765][T13556] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1157.864332][T13556] CPU: 0 PID: 13556 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1157.874716][T13556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1157.885046][T13556] Call Trace: [ 1157.888532][T13556] [ 1157.891656][T13556] dump_stack_lvl+0x1bf/0x240 [ 1157.896712][T13556] dump_stack+0x1e/0x20 [ 1157.901250][T13556] sysfs_create_dir_ns+0x459/0x4c0 [ 1157.907020][T13556] ? device_release+0x2e0/0x2e0 [ 1157.912199][T13556] kobject_add_internal+0xd08/0x16a0 [ 1157.917856][T13556] kobject_add+0x28c/0x3b0 [ 1157.922623][T13556] ? kobject_put+0x1fe/0x330 [ 1157.927550][T13556] device_add+0xaa2/0x1f20 [ 1157.932335][T13556] netdev_register_kobject+0x1ec/0x520 [ 1157.938129][T13556] register_netdevice+0x138a/0x1cd0 [ 1157.943667][T13556] bond_newlink+0x98/0x140 [ 1157.948431][T13556] ? bond_validate+0x270/0x270 [ 1157.953537][T13556] rtnl_newlink+0x2d5f/0x4110 [ 1157.958607][T13556] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1157.964847][T13556] ? rtnl_setlink+0x7f0/0x7f0 [ 1157.969900][T13556] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1157.975362][T13556] ? ref_tracker_free+0x45/0xc10 [ 1157.980607][T13556] ? filter_irq_stacks+0x60/0x1a0 [ 1157.985954][T13556] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1157.992156][T13556] ? filter_irq_stacks+0x164/0x1a0 [ 1157.997608][T13556] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1158.003767][T13556] netlink_rcv_skb+0x371/0x650 [ 1158.008875][T13556] ? rtnetlink_bind+0xf0/0xf0 [ 1158.013879][T13556] ? rtnetlink_net_exit+0x60/0x60 [ 1158.019225][T13556] rtnetlink_rcv+0x34/0x40 [ 1158.023955][T13556] netlink_unicast+0xf47/0x1250 [ 1158.029166][T13556] netlink_sendmsg+0x1238/0x13d0 [ 1158.034457][T13556] ? netlink_getsockopt+0x980/0x980 [ 1158.039978][T13556] ____sys_sendmsg+0x9c2/0xd60 [ 1158.045118][T13556] ___sys_sendmsg+0x28d/0x3c0 [ 1158.050154][T13556] ? __fget_files+0x580/0x640 [ 1158.055146][T13556] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1158.061304][T13556] __x64_sys_sendmsg+0x307/0x490 [ 1158.066598][T13556] do_syscall_64+0x44/0x110 [ 1158.071384][T13556] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1158.077644][T13556] RIP: 0033:0x7f9a85a7cae9 [ 1158.082311][T13556] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1158.102246][T13556] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1158.111343][T13556] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1158.119591][T13556] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1158.127829][T13556] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1158.136062][T13556] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1158.144282][T13556] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1158.152535][T13556] 02:11:00 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0xa, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1158.164523][T13556] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1158.180559][T13556] bond10000000000 (unregistered): Released all slaves 02:11:00 executing program 0: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000040)={0x10, 0x2}, 0x10) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r0, 0x84, 0x903, &(0x7f0000000180), 0x8) 02:11:00 executing program 5: r0 = shmget(0x3, 0x3000, 0x0, &(0x7f0000ffc000/0x3000)=nil) r1 = shmat(r0, &(0x7f0000ffc000/0x4000)=nil, 0x1000) shmdt(r1) 02:11:01 executing program 2: r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f0000000040)={0x0, @in, 0x0, 0x0, 0x390}, 0x98) 02:11:01 executing program 0: r0 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r0, &(0x7f0000000040)={0x10, 0x2}, 0x10) r1 = socket$inet6_sctp(0x1c, 0x5, 0x84) r2 = dup2(r0, r1) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x105, &(0x7f0000000080)={0x1, [0x0]}, &(0x7f0000000000)=0x8) r3 = socket$inet6_sctp(0x1c, 0x5, 0x84) r4 = dup2(r3, r3) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x105, &(0x7f0000000080)={0x1, [0x0]}, &(0x7f0000000040)=0x62) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f00000000c0), 0xc) 02:11:01 executing program 2: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000040)={0x10, 0x2}, 0x10) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x29, &(0x7f0000000180), &(0x7f00000001c0)=0x8) 02:11:01 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x28, &(0x7f0000000080), 0x4) 02:11:02 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x1100, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:02 executing program 2: getrlimit(0x0, &(0x7f0000000000)) madvise(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x5) 02:11:02 executing program 3: r0 = shmget(0x3, 0x3000, 0x0, &(0x7f0000ffc000/0x3000)=nil) shmat(r0, &(0x7f0000ffc000/0x4000)=nil, 0x3000) r1 = shmat(r0, &(0x7f0000ff0000/0x10000)=nil, 0x1000) shmdt(r1) 02:11:02 executing program 5: r0 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x2, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x7fffffff}, 0x14) 02:11:02 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0xb, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:02 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x28, 0x0, 0x0) [ 1159.371494][T13565] workqueue: Failed to create a rescuer kthread for wq "bond10000000000": -EINTR [ 1160.004478][T13592] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1160.024065][T13592] CPU: 0 PID: 13592 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1160.034444][T13592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1160.044749][T13592] Call Trace: [ 1160.048233][T13592] [ 1160.051348][T13592] dump_stack_lvl+0x1bf/0x240 [ 1160.056373][T13592] dump_stack+0x1e/0x20 [ 1160.060810][T13592] sysfs_create_dir_ns+0x459/0x4c0 [ 1160.066179][T13592] ? device_release+0x2e0/0x2e0 [ 1160.071314][T13592] kobject_add_internal+0xd08/0x16a0 [ 1160.076919][T13592] kobject_add+0x28c/0x3b0 [ 1160.081633][T13592] ? kobject_put+0x1fe/0x330 [ 1160.086541][T13592] device_add+0xaa2/0x1f20 [ 1160.091259][T13592] netdev_register_kobject+0x1ec/0x520 [ 1160.097011][T13592] register_netdevice+0x138a/0x1cd0 [ 1160.102514][T13592] bond_newlink+0x98/0x140 [ 1160.107244][T13592] ? bond_validate+0x270/0x270 [ 1160.112300][T13592] rtnl_newlink+0x2d5f/0x4110 [ 1160.117311][T13592] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1160.123864][T13592] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1160.129960][T13592] ? rtnl_setlink+0x7f0/0x7f0 [ 1160.134893][T13592] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1160.140290][T13592] ? ref_tracker_free+0x45/0xc10 [ 1160.145489][T13592] ? filter_irq_stacks+0x60/0x1a0 [ 1160.150780][T13592] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1160.156899][T13592] ? filter_irq_stacks+0x164/0x1a0 [ 1160.162292][T13592] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1160.168401][T13592] netlink_rcv_skb+0x371/0x650 [ 1160.173462][T13592] ? rtnetlink_bind+0xf0/0xf0 [ 1160.178417][T13592] ? rtnetlink_net_exit+0x60/0x60 [ 1160.183703][T13592] rtnetlink_rcv+0x34/0x40 [ 1160.188426][T13592] netlink_unicast+0xf47/0x1250 [ 1160.193556][T13592] netlink_sendmsg+0x1238/0x13d0 [ 1160.198784][T13592] ? netlink_getsockopt+0x980/0x980 [ 1160.204342][T13592] ____sys_sendmsg+0x9c2/0xd60 [ 1160.209404][T13592] ___sys_sendmsg+0x28d/0x3c0 [ 1160.214388][T13592] ? __fget_files+0x580/0x640 [ 1160.219342][T13592] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1160.225456][T13592] __x64_sys_sendmsg+0x307/0x490 [ 1160.230695][T13592] do_syscall_64+0x44/0x110 [ 1160.235450][T13592] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1160.241658][T13592] RIP: 0033:0x7f9a85a7cae9 [ 1160.246290][T13592] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1160.266181][T13592] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1160.274928][T13592] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1160.283151][T13592] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1160.291336][T13592] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1160.299524][T13592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1160.307705][T13592] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1160.315939][T13592] [ 1160.327286][T13592] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1160.343528][T13592] bond10000000000 (unregistered): Released all slaves [ 1160.494847][T13595] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1160.504899][T13595] CPU: 0 PID: 13595 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1160.515282][T13595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1160.525594][T13595] Call Trace: [ 1160.529053][T13595] [ 1160.532168][T13595] dump_stack_lvl+0x1bf/0x240 [ 1160.537164][T13595] dump_stack+0x1e/0x20 [ 1160.541609][T13595] sysfs_create_dir_ns+0x459/0x4c0 [ 1160.547006][T13595] ? device_release+0x2e0/0x2e0 [ 1160.552146][T13595] kobject_add_internal+0xd08/0x16a0 [ 1160.557744][T13595] kobject_add+0x28c/0x3b0 [ 1160.562464][T13595] ? kobject_put+0x1fe/0x330 [ 1160.567379][T13595] device_add+0xaa2/0x1f20 [ 1160.572075][T13595] netdev_register_kobject+0x1ec/0x520 [ 1160.577820][T13595] register_netdevice+0x138a/0x1cd0 [ 1160.583316][T13595] bond_newlink+0x98/0x140 [ 1160.588014][T13595] ? bond_validate+0x270/0x270 [ 1160.593082][T13595] rtnl_newlink+0x2d5f/0x4110 [ 1160.598090][T13595] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1160.604193][T13595] ? rtnl_setlink+0x7f0/0x7f0 [ 1160.609128][T13595] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1160.614562][T13595] ? ref_tracker_free+0x45/0xc10 [ 1160.619825][T13595] ? filter_irq_stacks+0x60/0x1a0 [ 1160.625132][T13595] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1160.631252][T13595] ? filter_irq_stacks+0x164/0x1a0 [ 1160.636649][T13595] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1160.642785][T13595] netlink_rcv_skb+0x371/0x650 [ 1160.647843][T13595] ? rtnetlink_bind+0xf0/0xf0 [ 1160.652814][T13595] ? rtnetlink_net_exit+0x60/0x60 [ 1160.658107][T13595] rtnetlink_rcv+0x34/0x40 [ 1160.662797][T13595] netlink_unicast+0xf47/0x1250 [ 1160.667950][T13595] netlink_sendmsg+0x1238/0x13d0 [ 1160.673211][T13595] ? netlink_getsockopt+0x980/0x980 [ 1160.678676][T13595] ____sys_sendmsg+0x9c2/0xd60 [ 1160.683753][T13595] ___sys_sendmsg+0x28d/0x3c0 [ 1160.688728][T13595] ? __fget_files+0x580/0x640 [ 1160.693672][T13595] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1160.699795][T13595] __x64_sys_sendmsg+0x307/0x490 [ 1160.705029][T13595] do_syscall_64+0x44/0x110 [ 1160.709792][T13595] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1160.715999][T13595] RIP: 0033:0x7f449387cae9 [ 1160.720625][T13595] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1160.740501][T13595] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1160.749184][T13595] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1160.757381][T13595] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1160.765562][T13595] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1160.773746][T13595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1160.781937][T13595] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1160.790152][T13595] 02:11:03 executing program 5: getpriority(0x0, 0x7) 02:11:03 executing program 3: r0 = socket(0x2, 0x5, 0x0) bind(r0, &(0x7f0000000000)=@in={0x10, 0x2}, 0x10) connect$inet(r0, &(0x7f0000000080)={0x5, 0x2}, 0x10) 02:11:03 executing program 2: r0 = socket$inet6_udplite(0x1c, 0x2, 0x88) setsockopt$inet6_IPV6_RTHDR(r0, 0x29, 0x33, 0x0, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={0x1c, 0x1c}, 0x1c) [ 1160.802932][T13595] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1160.819269][T13595] bond10000000000 (unregistered): Released all slaves 02:11:03 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x1160, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:03 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0xc, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1161.316731][T13608] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1161.327900][T13608] CPU: 1 PID: 13608 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1161.338288][T13608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1161.348686][T13608] Call Trace: [ 1161.352158][T13608] [ 1161.355281][T13608] dump_stack_lvl+0x1bf/0x240 [ 1161.360324][T13608] dump_stack+0x1e/0x20 [ 1161.364829][T13608] sysfs_create_dir_ns+0x459/0x4c0 [ 1161.370266][T13608] ? device_release+0x2e0/0x2e0 [ 1161.375444][T13608] kobject_add_internal+0xd08/0x16a0 [ 1161.381084][T13608] kobject_add+0x28c/0x3b0 [ 1161.385845][T13608] ? kobject_put+0x1fe/0x330 [ 1161.390773][T13608] device_add+0xaa2/0x1f20 [ 1161.395601][T13608] netdev_register_kobject+0x1ec/0x520 [ 1161.401347][T13608] register_netdevice+0x138a/0x1cd0 [ 1161.406835][T13608] bond_newlink+0x98/0x140 [ 1161.411546][T13608] ? bond_validate+0x270/0x270 [ 1161.416599][T13608] rtnl_newlink+0x2d5f/0x4110 [ 1161.421601][T13608] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1161.428136][T13608] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1161.434247][T13608] ? rtnl_setlink+0x7f0/0x7f0 [ 1161.439195][T13608] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1161.444597][T13608] ? ref_tracker_free+0x45/0xc10 [ 1161.449814][T13608] ? filter_irq_stacks+0x60/0x1a0 [ 1161.455112][T13608] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1161.461216][T13608] ? filter_irq_stacks+0x164/0x1a0 [ 1161.466607][T13608] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1161.472725][T13608] netlink_rcv_skb+0x371/0x650 [ 1161.477777][T13608] ? rtnetlink_bind+0xf0/0xf0 [ 1161.482731][T13608] ? rtnetlink_net_exit+0x60/0x60 [ 1161.488077][T13608] rtnetlink_rcv+0x34/0x40 [ 1161.492868][T13608] netlink_unicast+0xf47/0x1250 [ 1161.498069][T13608] netlink_sendmsg+0x1238/0x13d0 [ 1161.503328][T13608] ? netlink_getsockopt+0x980/0x980 [ 1161.508795][T13608] ____sys_sendmsg+0x9c2/0xd60 [ 1161.513880][T13608] ___sys_sendmsg+0x28d/0x3c0 [ 1161.518865][T13608] ? __fget_files+0x580/0x640 [ 1161.523825][T13608] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1161.529953][T13608] __x64_sys_sendmsg+0x307/0x490 [ 1161.535208][T13608] do_syscall_64+0x44/0x110 [ 1161.539966][T13608] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1161.546187][T13608] RIP: 0033:0x7f9a85a7cae9 [ 1161.550844][T13608] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1161.570743][T13608] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1161.579526][T13608] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1161.587738][T13608] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1161.595948][T13608] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1161.604137][T13608] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1161.612763][T13608] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1161.620972][T13608] [ 1161.633137][T13608] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1161.649743][T13608] bond10000000000 (unregistered): Released all slaves 02:11:04 executing program 3: r0 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x900, &(0x7f00000001c0), &(0x7f0000000200)=0x8) 02:11:04 executing program 0: r0 = shmget(0x3, 0x3000, 0x0, &(0x7f0000ffc000/0x3000)=nil) shmat(r0, &(0x7f0000ffc000/0x4000)=nil, 0x3000) shmat(r0, &(0x7f0000ff0000/0x10000)=nil, 0x1000) 02:11:04 executing program 5: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) recvmsg(r0, &(0x7f00000027c0)={0x0, 0x0, 0x0, 0x0, &(0x7f00000026c0)=""/223, 0xdf}, 0x0) [ 1162.134978][T13618] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1162.145142][T13618] CPU: 1 PID: 13618 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1162.155533][T13618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1162.165845][T13618] Call Trace: [ 1162.169323][T13618] [ 1162.172448][T13618] dump_stack_lvl+0x1bf/0x240 [ 1162.177505][T13618] dump_stack+0x1e/0x20 [ 1162.182018][T13618] sysfs_create_dir_ns+0x459/0x4c0 [ 1162.187459][T13618] ? device_release+0x2e0/0x2e0 [ 1162.192647][T13618] kobject_add_internal+0xd08/0x16a0 [ 1162.198294][T13618] kobject_add+0x28c/0x3b0 [ 1162.203059][T13618] ? kobject_put+0x1fe/0x330 [ 1162.207979][T13618] device_add+0xaa2/0x1f20 [ 1162.212722][T13618] netdev_register_kobject+0x1ec/0x520 [ 1162.218524][T13618] register_netdevice+0x138a/0x1cd0 [ 1162.224104][T13618] bond_newlink+0x98/0x140 [ 1162.228885][T13618] ? bond_validate+0x270/0x270 [ 1162.233988][T13618] rtnl_newlink+0x2d5f/0x4110 [ 1162.239064][T13618] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1162.245657][T13618] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1162.251770][T13618] ? rtnl_setlink+0x7f0/0x7f0 [ 1162.256708][T13618] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1162.262117][T13618] ? ref_tracker_free+0x45/0xc10 [ 1162.267328][T13618] ? filter_irq_stacks+0x60/0x1a0 [ 1162.272619][T13618] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1162.278737][T13618] ? filter_irq_stacks+0x164/0x1a0 [ 1162.284132][T13618] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1162.290247][T13618] netlink_rcv_skb+0x371/0x650 [ 1162.295297][T13618] ? rtnetlink_bind+0xf0/0xf0 [ 1162.300248][T13618] ? rtnetlink_net_exit+0x60/0x60 [ 1162.305559][T13618] rtnetlink_rcv+0x34/0x40 [ 1162.310281][T13618] netlink_unicast+0xf47/0x1250 [ 1162.315422][T13618] netlink_sendmsg+0x1238/0x13d0 [ 1162.320657][T13618] ? netlink_getsockopt+0x980/0x980 [ 1162.326130][T13618] ____sys_sendmsg+0x9c2/0xd60 [ 1162.331204][T13618] ___sys_sendmsg+0x28d/0x3c0 [ 1162.336175][T13618] ? __fget_files+0x580/0x640 [ 1162.341172][T13618] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1162.347306][T13618] __x64_sys_sendmsg+0x307/0x490 [ 1162.352594][T13618] do_syscall_64+0x44/0x110 [ 1162.357381][T13618] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1162.363623][T13618] RIP: 0033:0x7f449387cae9 [ 1162.368282][T13618] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1162.388210][T13618] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1162.396945][T13618] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1162.405162][T13618] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1162.413362][T13618] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1162.421641][T13618] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1162.429836][T13618] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1162.438049][T13618] [ 1162.449327][T13618] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1162.465476][T13618] bond10000000000 (unregistered): Released all slaves 02:11:04 executing program 2: clock_nanosleep(0x9, 0x1, &(0x7f00000000c0), 0x0) 02:11:05 executing program 0: r0 = socket$inet6_udplite(0x1c, 0x2, 0x88) getsockopt$inet6_int(r0, 0x29, 0x3e, 0x0, &(0x7f0000000040)) 02:11:05 executing program 3: r0 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f0000000040)={0x0, @in, 0xffffffe1}, 0x98) 02:11:05 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x1200, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1162.903255][T13625] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1162.912652][T13625] CPU: 1 PID: 13625 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1162.923047][T13625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1162.933353][T13625] Call Trace: [ 1162.936832][T13625] [ 1162.939959][T13625] dump_stack_lvl+0x1bf/0x240 [ 1162.945000][T13625] dump_stack+0x1e/0x20 [ 1162.949502][T13625] sysfs_create_dir_ns+0x459/0x4c0 [ 1162.954921][T13625] ? device_release+0x2e0/0x2e0 [ 1162.960097][T13625] kobject_add_internal+0xd08/0x16a0 [ 1162.965777][T13625] kobject_add+0x28c/0x3b0 [ 1162.970549][T13625] ? kobject_put+0x1fe/0x330 [ 1162.975470][T13625] device_add+0xaa2/0x1f20 [ 1162.980230][T13625] netdev_register_kobject+0x1ec/0x520 [ 1162.986027][T13625] register_netdevice+0x138a/0x1cd0 [ 1162.991562][T13625] bond_newlink+0x98/0x140 [ 1162.996331][T13625] ? bond_validate+0x270/0x270 [ 1163.001446][T13625] rtnl_newlink+0x2d5f/0x4110 [ 1163.006526][T13625] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1163.013132][T13625] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1163.019261][T13625] ? rtnl_setlink+0x7f0/0x7f0 [ 1163.024216][T13625] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1163.029654][T13625] ? ref_tracker_free+0x45/0xc10 [ 1163.034861][T13625] ? filter_irq_stacks+0x60/0x1a0 [ 1163.040158][T13625] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1163.046271][T13625] ? filter_irq_stacks+0x164/0x1a0 [ 1163.051666][T13625] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1163.057781][T13625] netlink_rcv_skb+0x371/0x650 [ 1163.062852][T13625] ? rtnetlink_bind+0xf0/0xf0 [ 1163.067830][T13625] ? rtnetlink_net_exit+0x60/0x60 [ 1163.073120][T13625] rtnetlink_rcv+0x34/0x40 [ 1163.077794][T13625] netlink_unicast+0xf47/0x1250 [ 1163.082928][T13625] netlink_sendmsg+0x1238/0x13d0 [ 1163.088156][T13625] ? netlink_getsockopt+0x980/0x980 [ 1163.093642][T13625] ____sys_sendmsg+0x9c2/0xd60 [ 1163.098740][T13625] ___sys_sendmsg+0x28d/0x3c0 [ 1163.103714][T13625] ? __fget_files+0x580/0x640 [ 1163.108651][T13625] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1163.114774][T13625] __x64_sys_sendmsg+0x307/0x490 [ 1163.120015][T13625] do_syscall_64+0x44/0x110 [ 1163.124775][T13625] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1163.131027][T13625] RIP: 0033:0x7f9a85a7cae9 [ 1163.135660][T13625] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1163.155545][T13625] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1163.164251][T13625] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1163.172448][T13625] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1163.180632][T13625] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1163.188850][T13625] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1163.197033][T13625] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1163.205245][T13625] [ 1163.217016][T13625] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1163.238061][T13625] bond10000000000 (unregistered): Released all slaves 02:11:05 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0xd, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:05 executing program 5: r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f0000000040)={0x0, @in, 0x0, 0x400, 0x290}, 0x98) 02:11:05 executing program 3: mincore(&(0x7f0000800000/0x800000)=nil, 0x800000, &(0x7f0000000000)=""/26) 02:11:05 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x1237, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:06 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0x40, &(0x7f00000003c0)='cubic\x00', 0x8) [ 1163.838505][T13641] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1163.853588][T13641] CPU: 1 PID: 13641 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1163.863982][T13641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1163.874305][T13641] Call Trace: [ 1163.877796][T13641] [ 1163.880927][T13641] dump_stack_lvl+0x1bf/0x240 [ 1163.885997][T13641] dump_stack+0x1e/0x20 [ 1163.890496][T13641] sysfs_create_dir_ns+0x459/0x4c0 [ 1163.895929][T13641] ? device_release+0x2e0/0x2e0 [ 1163.901103][T13641] kobject_add_internal+0xd08/0x16a0 [ 1163.906748][T13641] kobject_add+0x28c/0x3b0 [ 1163.911524][T13641] ? kobject_put+0x1fe/0x330 [ 1163.916451][T13641] device_add+0xaa2/0x1f20 [ 1163.921211][T13641] netdev_register_kobject+0x1ec/0x520 [ 1163.926999][T13641] register_netdevice+0x138a/0x1cd0 [ 1163.932545][T13641] bond_newlink+0x98/0x140 [ 1163.937305][T13641] ? bond_validate+0x270/0x270 [ 1163.942414][T13641] rtnl_newlink+0x2d5f/0x4110 [ 1163.947466][T13641] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1163.954067][T13641] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1163.960241][T13641] ? rtnl_setlink+0x7f0/0x7f0 [ 1163.965233][T13641] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1163.970697][T13641] ? ref_tracker_free+0x45/0xc10 [ 1163.975936][T13641] ? filter_irq_stacks+0x60/0x1a0 [ 1163.981277][T13641] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 02:11:06 executing program 5: madvise(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x5) [ 1163.987447][T13641] ? filter_irq_stacks+0x164/0x1a0 [ 1163.992897][T13641] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1163.999074][T13641] netlink_rcv_skb+0x371/0x650 [ 1164.004183][T13641] ? rtnetlink_bind+0xf0/0xf0 [ 1164.009222][T13641] ? rtnetlink_net_exit+0x60/0x60 [ 1164.014589][T13641] rtnetlink_rcv+0x34/0x40 [ 1164.019326][T13641] netlink_unicast+0xf47/0x1250 [ 1164.024585][T13641] netlink_sendmsg+0x1238/0x13d0 [ 1164.029879][T13641] ? netlink_getsockopt+0x980/0x980 [ 1164.035419][T13641] ____sys_sendmsg+0x9c2/0xd60 [ 1164.040568][T13641] ___sys_sendmsg+0x28d/0x3c0 [ 1164.045610][T13641] ? __fget_files+0x580/0x640 [ 1164.050605][T13641] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1164.056765][T13641] __x64_sys_sendmsg+0x307/0x490 [ 1164.062074][T13641] do_syscall_64+0x44/0x110 [ 1164.066880][T13641] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1164.073166][T13641] RIP: 0033:0x7f449387cae9 [ 1164.077835][T13641] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1164.097761][T13641] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1164.106897][T13641] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1164.115122][T13641] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1164.123354][T13641] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1164.131556][T13641] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1164.139740][T13641] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1164.147971][T13641] [ 1164.154889][T13641] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1164.176951][T13641] bond10000000000 (unregistered): Released all slaves 02:11:06 executing program 2: r0 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) setsockopt$inet6_IPV6_PKTINFO(r0, 0x29, 0x2e, 0x0, 0x0) setsockopt$inet6_IPV6_RTHDR(r0, 0x29, 0x33, 0x0, 0x0) 02:11:06 executing program 0: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) setsockopt$inet6_IPV6_PKTINFO(r0, 0x29, 0x2e, &(0x7f00000000c0)={@mcast1}, 0x14) 02:11:06 executing program 3: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000040)={0x10, 0x2}, 0x10) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r0, 0x84, 0x18, &(0x7f0000000000), &(0x7f0000000080)=0x4) 02:11:06 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) mmap(&(0x7f0000ff2000/0xd000)=nil, 0xd000, 0x0, 0x10, r0, 0x0) 02:11:06 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x1b00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:07 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0xe, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1164.955965][T13659] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1164.965601][T13659] CPU: 1 PID: 13659 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1164.975989][T13659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1164.986329][T13659] Call Trace: [ 1164.989826][T13659] [ 1164.992958][T13659] dump_stack_lvl+0x1bf/0x240 [ 1164.998020][T13659] dump_stack+0x1e/0x20 [ 1165.002532][T13659] sysfs_create_dir_ns+0x459/0x4c0 [ 1165.007965][T13659] ? device_release+0x2e0/0x2e0 [ 1165.013153][T13659] kobject_add_internal+0xd08/0x16a0 [ 1165.018799][T13659] kobject_add+0x28c/0x3b0 [ 1165.023593][T13659] ? kobject_put+0x1fe/0x330 [ 1165.028529][T13659] device_add+0xaa2/0x1f20 [ 1165.033288][T13659] netdev_register_kobject+0x1ec/0x520 [ 1165.039089][T13659] register_netdevice+0x138a/0x1cd0 [ 1165.044634][T13659] bond_newlink+0x98/0x140 [ 1165.049401][T13659] ? bond_validate+0x270/0x270 [ 1165.054518][T13659] rtnl_newlink+0x2d5f/0x4110 [ 1165.059595][T13659] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1165.066207][T13659] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1165.072382][T13659] ? rtnl_setlink+0x7f0/0x7f0 [ 1165.077374][T13659] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1165.082847][T13659] ? ref_tracker_free+0x45/0xc10 [ 1165.088116][T13659] ? filter_irq_stacks+0x60/0x1a0 [ 1165.093473][T13659] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1165.099655][T13659] ? filter_irq_stacks+0x164/0x1a0 [ 1165.105125][T13659] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1165.111337][T13659] netlink_rcv_skb+0x371/0x650 [ 1165.116450][T13659] ? rtnetlink_bind+0xf0/0xf0 [ 1165.121478][T13659] ? rtnetlink_net_exit+0x60/0x60 [ 1165.126841][T13659] rtnetlink_rcv+0x34/0x40 [ 1165.131597][T13659] netlink_unicast+0xf47/0x1250 [ 1165.136807][T13659] netlink_sendmsg+0x1238/0x13d0 [ 1165.142114][T13659] ? netlink_getsockopt+0x980/0x980 [ 1165.147650][T13659] ____sys_sendmsg+0x9c2/0xd60 [ 1165.152780][T13659] ___sys_sendmsg+0x28d/0x3c0 [ 1165.157819][T13659] ? __fget_files+0x580/0x640 [ 1165.162862][T13659] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1165.169057][T13659] __x64_sys_sendmsg+0x307/0x490 [ 1165.174374][T13659] do_syscall_64+0x44/0x110 [ 1165.179177][T13659] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1165.185452][T13659] RIP: 0033:0x7f9a85a7cae9 02:11:07 executing program 3: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000040)={0x10, 0x2}, 0x10) getsockname$inet(r0, 0x0, &(0x7f0000000140)) [ 1165.190128][T13659] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1165.210076][T13659] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1165.218836][T13659] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1165.227110][T13659] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1165.235345][T13659] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1165.243584][T13659] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1165.251824][T13659] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1165.260107][T13659] [ 1165.270615][T13659] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1165.301347][T13659] bond10000000000 (unregistered): Released all slaves 02:11:07 executing program 5: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000180)={0x0, 0x0, 0x33}, 0x20) socketpair(0x15, 0x0, 0x0, &(0x7f0000000000)) [ 1165.691872][T13669] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1165.702935][T13669] CPU: 0 PID: 13669 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1165.713334][T13669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1165.723647][T13669] Call Trace: [ 1165.727138][T13669] [ 1165.730264][T13669] dump_stack_lvl+0x1bf/0x240 [ 1165.735315][T13669] dump_stack+0x1e/0x20 [ 1165.739825][T13669] sysfs_create_dir_ns+0x459/0x4c0 [ 1165.745250][T13669] ? device_release+0x2e0/0x2e0 [ 1165.750439][T13669] kobject_add_internal+0xd08/0x16a0 [ 1165.756042][T13669] kobject_add+0x28c/0x3b0 [ 1165.760758][T13669] ? kobject_put+0x1fe/0x330 [ 1165.765631][T13669] device_add+0xaa2/0x1f20 [ 1165.770330][T13669] netdev_register_kobject+0x1ec/0x520 [ 1165.776074][T13669] register_netdevice+0x138a/0x1cd0 [ 1165.781557][T13669] bond_newlink+0x98/0x140 [ 1165.786278][T13669] ? bond_validate+0x270/0x270 [ 1165.791414][T13669] rtnl_newlink+0x2d5f/0x4110 [ 1165.796445][T13669] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1165.802551][T13669] ? rtnl_setlink+0x7f0/0x7f0 [ 1165.807499][T13669] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1165.812918][T13669] ? ref_tracker_free+0x45/0xc10 [ 1165.818119][T13669] ? filter_irq_stacks+0x60/0x1a0 [ 1165.823421][T13669] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1165.829589][T13669] ? filter_irq_stacks+0x164/0x1a0 [ 1165.834995][T13669] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1165.841102][T13669] netlink_rcv_skb+0x371/0x650 [ 1165.846159][T13669] ? rtnetlink_bind+0xf0/0xf0 [ 1165.851116][T13669] ? rtnetlink_net_exit+0x60/0x60 [ 1165.856413][T13669] rtnetlink_rcv+0x34/0x40 [ 1165.861099][T13669] netlink_unicast+0xf47/0x1250 [ 1165.866245][T13669] netlink_sendmsg+0x1238/0x13d0 [ 1165.871479][T13669] ? netlink_getsockopt+0x980/0x980 [ 1165.876950][T13669] ____sys_sendmsg+0x9c2/0xd60 [ 1165.882013][T13669] ___sys_sendmsg+0x28d/0x3c0 [ 1165.886975][T13669] ? __fget_files+0x580/0x640 [ 1165.891931][T13669] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1165.898065][T13669] __x64_sys_sendmsg+0x307/0x490 [ 1165.903319][T13669] do_syscall_64+0x44/0x110 [ 1165.908070][T13669] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1165.914289][T13669] RIP: 0033:0x7f449387cae9 [ 1165.918929][T13669] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1165.938814][T13669] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1165.947511][T13669] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1165.955712][T13669] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1165.963904][T13669] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1165.972092][T13669] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1165.980274][T13669] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1165.988496][T13669] [ 1166.003210][T13669] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1166.020209][T13669] bond10000000000 (unregistered): Released all slaves 02:11:08 executing program 5: bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000500)={@map, 0xffffffffffffffff, 0x0, 0x20, 0x0, @link_id}, 0x20) 02:11:08 executing program 3: bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e80)={@map=0x1, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, @prog_fd}, 0x20) 02:11:08 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x2000, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:08 executing program 2: bpf$OBJ_PIN_PROG(0x6, &(0x7f0000001180)=@generic={0x0}, 0x18) 02:11:08 executing program 0: openat$cgroup(0xffffffffffffffff, &(0x7f00000024c0)='syz0\x00', 0x200002, 0x0) [ 1166.464863][T13679] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1166.474510][T13679] CPU: 1 PID: 13679 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1166.484905][T13679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1166.495228][T13679] Call Trace: [ 1166.498715][T13679] [ 1166.501908][T13679] dump_stack_lvl+0x1bf/0x240 [ 1166.507038][T13679] dump_stack+0x1e/0x20 [ 1166.511577][T13679] sysfs_create_dir_ns+0x459/0x4c0 [ 1166.517044][T13679] ? device_release+0x2e0/0x2e0 [ 1166.522271][T13679] kobject_add_internal+0xd08/0x16a0 [ 1166.527979][T13679] kobject_add+0x28c/0x3b0 [ 1166.532792][T13679] ? kobject_put+0x1fe/0x330 [ 1166.537723][T13679] device_add+0xaa2/0x1f20 [ 1166.542487][T13679] netdev_register_kobject+0x1ec/0x520 [ 1166.548281][T13679] register_netdevice+0x138a/0x1cd0 [ 1166.553837][T13679] bond_newlink+0x98/0x140 [ 1166.558609][T13679] ? bond_validate+0x270/0x270 [ 1166.563725][T13679] rtnl_newlink+0x2d5f/0x4110 [ 1166.568791][T13679] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1166.575399][T13679] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1166.581577][T13679] ? rtnl_setlink+0x7f0/0x7f0 [ 1166.586573][T13679] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1166.592034][T13679] ? ref_tracker_free+0x45/0xc10 [ 1166.597278][T13679] ? filter_irq_stacks+0x60/0x1a0 [ 1166.602624][T13679] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1166.608790][T13679] ? filter_irq_stacks+0x164/0x1a0 [ 1166.614244][T13679] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1166.620429][T13679] netlink_rcv_skb+0x371/0x650 [ 1166.625552][T13679] ? rtnetlink_bind+0xf0/0xf0 [ 1166.630558][T13679] ? rtnetlink_net_exit+0x60/0x60 [ 1166.635906][T13679] rtnetlink_rcv+0x34/0x40 [ 1166.640642][T13679] netlink_unicast+0xf47/0x1250 [ 1166.645840][T13679] netlink_sendmsg+0x1238/0x13d0 [ 1166.651136][T13679] ? netlink_getsockopt+0x980/0x980 [ 1166.656673][T13679] ____sys_sendmsg+0x9c2/0xd60 [ 1166.661802][T13679] ___sys_sendmsg+0x28d/0x3c0 [ 1166.666836][T13679] ? __fget_files+0x580/0x640 [ 1166.671848][T13679] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1166.678128][T13679] __x64_sys_sendmsg+0x307/0x490 [ 1166.683486][T13679] do_syscall_64+0x44/0x110 [ 1166.688288][T13679] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1166.694575][T13679] RIP: 0033:0x7f9a85a7cae9 [ 1166.699249][T13679] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1166.719221][T13679] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1166.727985][T13679] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1166.736247][T13679] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1166.744505][T13679] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1166.752741][T13679] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1166.760973][T13679] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1166.769241][T13679] [ 1166.778528][T13679] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1166.794653][T13679] bond10000000000 (unregistered): Released all slaves 02:11:09 executing program 5: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$unix(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 02:11:09 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0xf, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:09 executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.net/syz1\x00', 0x1ff) bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, 0x0, 0x0) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f00000004c0)={0xffffffffffffffff, 0x0, 0x0}, 0xffffff0e) openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x88003, 0x0) r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000080)='blkio.bfq.time_recursive\x00', 0x0, 0x0) ioctl$TUNSETPERSIST(r0, 0x400454cb, 0x40000001) 02:11:09 executing program 2: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000940)={{}, 0x0, 0x0}, 0x20) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000a40)=@generic={&(0x7f0000000a00)='./file0\x00'}, 0x18) 02:11:09 executing program 3: bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000740)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000680)}, 0x50) [ 1167.177990][T13690] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1167.190391][T13690] CPU: 1 PID: 13690 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1167.200772][T13690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1167.211044][T13690] Call Trace: [ 1167.214489][T13690] [ 1167.217581][T13690] dump_stack_lvl+0x1bf/0x240 [ 1167.222587][T13690] dump_stack+0x1e/0x20 [ 1167.227067][T13690] sysfs_create_dir_ns+0x459/0x4c0 [ 1167.232452][T13690] ? device_release+0x2e0/0x2e0 [ 1167.237581][T13690] kobject_add_internal+0xd08/0x16a0 [ 1167.243181][T13690] kobject_add+0x28c/0x3b0 [ 1167.247923][T13690] ? kobject_put+0x1fe/0x330 [ 1167.252805][T13690] device_add+0xaa2/0x1f20 [ 1167.257507][T13690] netdev_register_kobject+0x1ec/0x520 [ 1167.263248][T13690] register_netdevice+0x138a/0x1cd0 [ 1167.268739][T13690] bond_newlink+0x98/0x140 [ 1167.273459][T13690] ? bond_validate+0x270/0x270 [ 1167.278509][T13690] rtnl_newlink+0x2d5f/0x4110 [ 1167.283515][T13690] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1167.290056][T13690] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1167.296155][T13690] ? rtnl_setlink+0x7f0/0x7f0 [ 1167.301093][T13690] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1167.306495][T13690] ? ref_tracker_free+0x45/0xc10 [ 1167.311810][T13690] ? filter_irq_stacks+0x60/0x1a0 [ 1167.317159][T13690] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1167.323332][T13690] ? filter_irq_stacks+0x164/0x1a0 [ 1167.328789][T13690] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1167.334937][T13690] netlink_rcv_skb+0x371/0x650 [ 1167.339999][T13690] ? rtnetlink_bind+0xf0/0xf0 [ 1167.344958][T13690] ? rtnetlink_net_exit+0x60/0x60 [ 1167.350264][T13690] rtnetlink_rcv+0x34/0x40 [ 1167.355038][T13690] netlink_unicast+0xf47/0x1250 [ 1167.360279][T13690] netlink_sendmsg+0x1238/0x13d0 [ 1167.365531][T13690] ? netlink_getsockopt+0x980/0x980 [ 1167.370999][T13690] ____sys_sendmsg+0x9c2/0xd60 [ 1167.376098][T13690] ___sys_sendmsg+0x28d/0x3c0 [ 1167.381097][T13690] ? __fget_files+0x580/0x640 [ 1167.386077][T13690] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1167.392220][T13690] __x64_sys_sendmsg+0x307/0x490 [ 1167.397483][T13690] do_syscall_64+0x44/0x110 [ 1167.402255][T13690] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1167.408531][T13690] RIP: 0033:0x7f449387cae9 [ 1167.413179][T13690] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1167.433081][T13690] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1167.441827][T13690] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1167.450063][T13690] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1167.458286][T13690] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1167.466485][T13690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1167.474672][T13690] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1167.482911][T13690] [ 1167.493070][T13690] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1167.509135][T13690] bond10000000000 (unregistered): Released all slaves 02:11:10 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x2200, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:10 executing program 5: bpf$BPF_PROG_ATTACH(0x1e, &(0x7f0000000e80)={@map, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, @prog_id}, 0x20) 02:11:10 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x10, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1168.129513][T13704] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1168.140891][T13704] CPU: 0 PID: 13704 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1168.151289][T13704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1168.161601][T13704] Call Trace: [ 1168.165081][T13704] [ 1168.168275][T13704] dump_stack_lvl+0x1bf/0x240 [ 1168.173319][T13704] dump_stack+0x1e/0x20 [ 1168.177801][T13704] sysfs_create_dir_ns+0x459/0x4c0 [ 1168.183193][T13704] ? device_release+0x2e0/0x2e0 [ 1168.188331][T13704] kobject_add_internal+0xd08/0x16a0 [ 1168.193927][T13704] kobject_add+0x28c/0x3b0 [ 1168.198645][T13704] ? kobject_put+0x1fe/0x330 [ 1168.203512][T13704] device_add+0xaa2/0x1f20 [ 1168.208223][T13704] netdev_register_kobject+0x1ec/0x520 [ 1168.213965][T13704] register_netdevice+0x138a/0x1cd0 [ 1168.219460][T13704] bond_newlink+0x98/0x140 [ 1168.224303][T13704] ? bond_validate+0x270/0x270 [ 1168.229383][T13704] rtnl_newlink+0x2d5f/0x4110 [ 1168.234408][T13704] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1168.240953][T13704] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1168.247090][T13704] ? rtnl_setlink+0x7f0/0x7f0 [ 1168.252040][T13704] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1168.257453][T13704] ? ref_tracker_free+0x45/0xc10 [ 1168.262654][T13704] ? filter_irq_stacks+0x60/0x1a0 [ 1168.267967][T13704] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1168.274090][T13704] ? filter_irq_stacks+0x164/0x1a0 [ 1168.279481][T13704] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1168.285587][T13704] netlink_rcv_skb+0x371/0x650 [ 1168.290641][T13704] ? rtnetlink_bind+0xf0/0xf0 [ 1168.295590][T13704] ? rtnetlink_net_exit+0x60/0x60 [ 1168.300872][T13704] rtnetlink_rcv+0x34/0x40 [ 1168.305553][T13704] netlink_unicast+0xf47/0x1250 [ 1168.310679][T13704] netlink_sendmsg+0x1238/0x13d0 [ 1168.315918][T13704] ? netlink_getsockopt+0x980/0x980 [ 1168.321440][T13704] ____sys_sendmsg+0x9c2/0xd60 [ 1168.326528][T13704] ___sys_sendmsg+0x28d/0x3c0 [ 1168.331512][T13704] ? __fget_files+0x580/0x640 [ 1168.336479][T13704] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1168.342615][T13704] __x64_sys_sendmsg+0x307/0x490 [ 1168.347894][T13704] do_syscall_64+0x44/0x110 [ 1168.352675][T13704] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1168.358914][T13704] RIP: 0033:0x7f9a85a7cae9 [ 1168.363550][T13704] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1168.383522][T13704] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1168.392217][T13704] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1168.400415][T13704] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1168.408604][T13704] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1168.416794][T13704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:11:10 executing program 3: socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$inet(r0, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0) [ 1168.424982][T13704] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1168.433196][T13704] [ 1168.443809][T13704] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1168.472214][T13704] bond10000000000 (unregistered): Released all slaves 02:11:11 executing program 5: bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@map, 0xc, 0x1, 0x7f, &(0x7f0000000080)=[0x0], 0x1, 0x0, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x0}, 0x40) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000040)={@cgroup, 0xffffffffffffffff, 0x15, 0x24, 0xffffffffffffffff, @prog_id, r0}, 0x20) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup/syz0\x00', 0x1ff) 02:11:11 executing program 0: io_pgetevents(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000001140)={0x0}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000001180)) 02:11:11 executing program 2: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$tipc(r0, &(0x7f00000002c0)={&(0x7f00000000c0)=@id, 0x10, &(0x7f0000000240)=[{&(0x7f0000000100)="0f", 0x1}, {0x0}, {&(0x7f0000000200)=':', 0x1}], 0x3, &(0x7f0000000280)="de90b25a71ced89629f48a231a7a69fd94e605c14d9845e5313d8c8926cd33da0023a6de56", 0x25}, 0x240000c0) 02:11:11 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x2500, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:11 executing program 3: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$tipc(r0, &(0x7f00000002c0)={&(0x7f00000000c0)=@id, 0x10, 0x0}, 0x240000c0) [ 1169.114527][T13716] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1169.124239][T13716] CPU: 1 PID: 13716 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1169.134617][T13716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1169.144917][T13716] Call Trace: [ 1169.148394][T13716] [ 1169.151523][T13716] dump_stack_lvl+0x1bf/0x240 [ 1169.156573][T13716] dump_stack+0x1e/0x20 [ 1169.161068][T13716] sysfs_create_dir_ns+0x459/0x4c0 [ 1169.166500][T13716] ? device_release+0x2e0/0x2e0 [ 1169.171675][T13716] kobject_add_internal+0xd08/0x16a0 [ 1169.177318][T13716] kobject_add+0x28c/0x3b0 [ 1169.182087][T13716] ? kobject_put+0x1fe/0x330 [ 1169.186969][T13716] device_add+0xaa2/0x1f20 [ 1169.191664][T13716] netdev_register_kobject+0x1ec/0x520 [ 1169.197404][T13716] register_netdevice+0x138a/0x1cd0 [ 1169.202887][T13716] bond_newlink+0x98/0x140 [ 1169.207593][T13716] ? bond_validate+0x270/0x270 [ 1169.212637][T13716] rtnl_newlink+0x2d5f/0x4110 [ 1169.217640][T13716] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1169.224196][T13716] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1169.230296][T13716] ? rtnl_setlink+0x7f0/0x7f0 [ 1169.235224][T13716] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1169.240621][T13716] ? ref_tracker_free+0x45/0xc10 [ 1169.245811][T13716] ? filter_irq_stacks+0x60/0x1a0 [ 1169.251109][T13716] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1169.257209][T13716] ? filter_irq_stacks+0x164/0x1a0 [ 1169.262593][T13716] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1169.268718][T13716] netlink_rcv_skb+0x371/0x650 [ 1169.273799][T13716] ? rtnetlink_bind+0xf0/0xf0 [ 1169.278749][T13716] ? rtnetlink_net_exit+0x60/0x60 [ 1169.284067][T13716] rtnetlink_rcv+0x34/0x40 [ 1169.288743][T13716] netlink_unicast+0xf47/0x1250 [ 1169.293882][T13716] netlink_sendmsg+0x1238/0x13d0 [ 1169.299113][T13716] ? netlink_getsockopt+0x980/0x980 [ 1169.304589][T13716] ____sys_sendmsg+0x9c2/0xd60 [ 1169.309649][T13716] ___sys_sendmsg+0x28d/0x3c0 [ 1169.314607][T13716] ? __fget_files+0x580/0x640 [ 1169.319543][T13716] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1169.325647][T13716] __x64_sys_sendmsg+0x307/0x490 [ 1169.330897][T13716] do_syscall_64+0x44/0x110 [ 1169.335657][T13716] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1169.341858][T13716] RIP: 0033:0x7f449387cae9 [ 1169.346487][T13716] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1169.366362][T13716] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1169.375073][T13716] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1169.383305][T13716] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1169.391503][T13716] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1169.399693][T13716] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1169.407876][T13716] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1169.416090][T13716] [ 1169.428766][T13716] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1169.445520][T13716] bond10000000000 (unregistered): Released all slaves 02:11:11 executing program 0: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$tipc(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)="de", 0x1}, 0x0) 02:11:11 executing program 5: bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000200)={@cgroup, 0xffffffffffffffff, 0xc, 0x0, 0x0, @link_id}, 0x20) 02:11:12 executing program 2: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$tipc(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)=[{0x0}, {0x0}, {&(0x7f0000000200)=':', 0x1}], 0x3}, 0x0) [ 1169.627069][T13719] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1169.637509][T13719] CPU: 1 PID: 13719 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1169.647908][T13719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1169.658305][T13719] Call Trace: [ 1169.661795][T13719] [ 1169.664930][T13719] dump_stack_lvl+0x1bf/0x240 [ 1169.669992][T13719] dump_stack+0x1e/0x20 [ 1169.674549][T13719] sysfs_create_dir_ns+0x459/0x4c0 [ 1169.679994][T13719] ? device_release+0x2e0/0x2e0 [ 1169.685179][T13719] kobject_add_internal+0xd08/0x16a0 [ 1169.690862][T13719] kobject_add+0x28c/0x3b0 [ 1169.695664][T13719] ? kobject_put+0x1fe/0x330 [ 1169.700606][T13719] device_add+0xaa2/0x1f20 [ 1169.705369][T13719] netdev_register_kobject+0x1ec/0x520 [ 1169.711178][T13719] register_netdevice+0x138a/0x1cd0 [ 1169.716724][T13719] bond_newlink+0x98/0x140 [ 1169.721501][T13719] ? bond_validate+0x270/0x270 [ 1169.726615][T13719] rtnl_newlink+0x2d5f/0x4110 [ 1169.731680][T13719] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1169.737830][T13719] ? rtnl_setlink+0x7f0/0x7f0 [ 1169.742813][T13719] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1169.748270][T13719] ? ref_tracker_free+0x45/0xc10 [ 1169.753521][T13719] ? filter_irq_stacks+0x60/0x1a0 [ 1169.758861][T13719] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1169.765021][T13719] ? filter_irq_stacks+0x164/0x1a0 [ 1169.770459][T13719] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 02:11:12 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x11, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1169.776623][T13719] netlink_rcv_skb+0x371/0x650 [ 1169.781720][T13719] ? rtnetlink_bind+0xf0/0xf0 [ 1169.786726][T13719] ? rtnetlink_net_exit+0x60/0x60 [ 1169.792071][T13719] rtnetlink_rcv+0x34/0x40 [ 1169.796810][T13719] netlink_unicast+0xf47/0x1250 [ 1169.801989][T13719] netlink_sendmsg+0x1238/0x13d0 [ 1169.807267][T13719] ? netlink_getsockopt+0x980/0x980 [ 1169.812790][T13719] ____sys_sendmsg+0x9c2/0xd60 [ 1169.817910][T13719] ___sys_sendmsg+0x28d/0x3c0 [ 1169.822941][T13719] ? __fget_files+0x580/0x640 [ 1169.827933][T13719] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1169.834102][T13719] __x64_sys_sendmsg+0x307/0x490 [ 1169.839398][T13719] do_syscall_64+0x44/0x110 [ 1169.844178][T13719] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1169.850422][T13719] RIP: 0033:0x7f9a85a7cae9 [ 1169.855065][T13719] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1169.874945][T13719] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1169.883647][T13719] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1169.891867][T13719] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1169.900059][T13719] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1169.908251][T13719] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1169.916449][T13719] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1169.924662][T13719] [ 1169.933931][T13719] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1169.965956][T13719] bond10000000000 (unregistered): Released all slaves 02:11:12 executing program 3: socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$inet(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x2, 0x0, @local}, 0x10, 0x0}, 0x0) 02:11:12 executing program 5: bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f0000003200)={0x0, 0x0, 0x0, 0x0}, 0x38) 02:11:12 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x2f00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:13 executing program 2: bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000004c0)={0x3, 0x4, 0x4, 0xa, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x1}, 0x48) 02:11:13 executing program 3: bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000004c0)={0x3, 0x4, 0x4, 0xa, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x4, 0x1}, 0x48) [ 1170.669049][T13732] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1170.679001][T13732] CPU: 1 PID: 13732 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1170.689373][T13732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1170.699666][T13732] Call Trace: [ 1170.703137][T13732] [ 1170.706250][T13732] dump_stack_lvl+0x1bf/0x240 [ 1170.711273][T13732] dump_stack+0x1e/0x20 [ 1170.715714][T13732] sysfs_create_dir_ns+0x459/0x4c0 [ 1170.721097][T13732] ? device_release+0x2e0/0x2e0 [ 1170.726229][T13732] kobject_add_internal+0xd08/0x16a0 [ 1170.731825][T13732] kobject_add+0x28c/0x3b0 [ 1170.736541][T13732] ? kobject_put+0x1fe/0x330 [ 1170.741414][T13732] device_add+0xaa2/0x1f20 [ 1170.746100][T13732] netdev_register_kobject+0x1ec/0x520 [ 1170.751925][T13732] register_netdevice+0x138a/0x1cd0 [ 1170.757420][T13732] bond_newlink+0x98/0x140 [ 1170.762137][T13732] ? bond_validate+0x270/0x270 [ 1170.767180][T13732] rtnl_newlink+0x2d5f/0x4110 [ 1170.772175][T13732] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1170.778709][T13732] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1170.784811][T13732] ? rtnl_setlink+0x7f0/0x7f0 [ 1170.789752][T13732] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1170.795156][T13732] ? ref_tracker_free+0x45/0xc10 [ 1170.800350][T13732] ? filter_irq_stacks+0x60/0x1a0 [ 1170.805659][T13732] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1170.811810][T13732] ? filter_irq_stacks+0x164/0x1a0 [ 1170.817207][T13732] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1170.823315][T13732] netlink_rcv_skb+0x371/0x650 [ 1170.828362][T13732] ? rtnetlink_bind+0xf0/0xf0 [ 1170.833317][T13732] ? rtnetlink_net_exit+0x60/0x60 [ 1170.838605][T13732] rtnetlink_rcv+0x34/0x40 [ 1170.843280][T13732] netlink_unicast+0xf47/0x1250 [ 1170.848410][T13732] netlink_sendmsg+0x1238/0x13d0 [ 1170.853634][T13732] ? netlink_getsockopt+0x980/0x980 [ 1170.859098][T13732] ____sys_sendmsg+0x9c2/0xd60 [ 1170.864159][T13732] ___sys_sendmsg+0x28d/0x3c0 [ 1170.869123][T13732] ? __fget_files+0x580/0x640 [ 1170.874058][T13732] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1170.880157][T13732] __x64_sys_sendmsg+0x307/0x490 [ 1170.885394][T13732] do_syscall_64+0x44/0x110 [ 1170.890156][T13732] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1170.896368][T13732] RIP: 0033:0x7f449387cae9 [ 1170.901002][T13732] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1170.920897][T13732] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1170.929599][T13732] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1170.937794][T13732] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1170.945990][T13732] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1170.954177][T13732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1170.962358][T13732] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1170.970571][T13732] [ 1170.983128][T13732] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1170.999295][T13732] bond10000000000 (unregistered): Released all slaves 02:11:13 executing program 5: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$tipc(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x240000c0) 02:11:13 executing program 0: socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="8b", 0x1}], 0x1}, 0x8040) [ 1171.119385][T13738] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1171.129001][T13738] CPU: 0 PID: 13738 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1171.139381][T13738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1171.149697][T13738] Call Trace: [ 1171.153178][T13738] [ 1171.156303][T13738] dump_stack_lvl+0x1bf/0x240 [ 1171.161354][T13738] dump_stack+0x1e/0x20 [ 1171.165858][T13738] sysfs_create_dir_ns+0x459/0x4c0 [ 1171.171293][T13738] ? device_release+0x2e0/0x2e0 [ 1171.176483][T13738] kobject_add_internal+0xd08/0x16a0 [ 1171.182126][T13738] kobject_add+0x28c/0x3b0 [ 1171.186892][T13738] ? kobject_put+0x1fe/0x330 [ 1171.191813][T13738] device_add+0xaa2/0x1f20 [ 1171.196551][T13738] netdev_register_kobject+0x1ec/0x520 [ 1171.202354][T13738] register_netdevice+0x138a/0x1cd0 [ 1171.207909][T13738] bond_newlink+0x98/0x140 [ 1171.212661][T13738] ? bond_validate+0x270/0x270 [ 1171.217759][T13738] rtnl_newlink+0x2d5f/0x4110 [ 1171.222811][T13738] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1171.229418][T13738] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1171.235554][T13738] ? rtnl_setlink+0x7f0/0x7f0 [ 1171.240493][T13738] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1171.245897][T13738] ? ref_tracker_free+0x45/0xc10 [ 1171.251086][T13738] ? filter_irq_stacks+0x60/0x1a0 [ 1171.256378][T13738] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1171.262575][T13738] ? filter_irq_stacks+0x164/0x1a0 [ 1171.267982][T13738] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1171.274093][T13738] netlink_rcv_skb+0x371/0x650 [ 1171.279143][T13738] ? rtnetlink_bind+0xf0/0xf0 [ 1171.284111][T13738] ? rtnetlink_net_exit+0x60/0x60 [ 1171.289423][T13738] rtnetlink_rcv+0x34/0x40 [ 1171.294102][T13738] netlink_unicast+0xf47/0x1250 [ 1171.299239][T13738] netlink_sendmsg+0x1238/0x13d0 [ 1171.304475][T13738] ? netlink_getsockopt+0x980/0x980 [ 1171.309948][T13738] ____sys_sendmsg+0x9c2/0xd60 [ 1171.315048][T13738] ___sys_sendmsg+0x28d/0x3c0 [ 1171.320045][T13738] ? __fget_files+0x580/0x640 [ 1171.324991][T13738] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1171.331109][T13738] __x64_sys_sendmsg+0x307/0x490 [ 1171.336349][T13738] do_syscall_64+0x44/0x110 [ 1171.341132][T13738] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1171.347393][T13738] RIP: 0033:0x7f9a85a7cae9 [ 1171.352042][T13738] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1171.371950][T13738] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1171.380656][T13738] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1171.388866][T13738] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1171.397062][T13738] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1171.405251][T13738] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:11:13 executing program 3: bpf$MAP_CREATE(0x0, &(0x7f0000000000)=@base={0x10, 0x0, 0x0, 0x3db, 0x0, 0x1}, 0x48) [ 1171.413476][T13738] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1171.421725][T13738] [ 1171.433428][T13738] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1171.450032][T13738] bond10000000000 (unregistered): Released all slaves 02:11:14 executing program 2: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$tipc(r0, &(0x7f00000002c0)={&(0x7f00000000c0)=@id, 0x10, &(0x7f0000000240)=[{0x0}, {&(0x7f00000001c0)="d5", 0x1}, {&(0x7f0000000200)=':', 0x1}], 0x3, &(0x7f0000000280)="de90b25a71ced89629f48a231a7a69fd94e605c14d9845e5313d8c8926cd33da0023a6de56", 0x25}, 0x240000c0) 02:11:14 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x3712, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1172.012002][T13753] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1172.023696][T13753] CPU: 1 PID: 13753 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1172.034114][T13753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1172.044440][T13753] Call Trace: [ 1172.047923][T13753] [ 1172.051059][T13753] dump_stack_lvl+0x1bf/0x240 [ 1172.056113][T13753] dump_stack+0x1e/0x20 [ 1172.060627][T13753] sysfs_create_dir_ns+0x459/0x4c0 [ 1172.066059][T13753] ? device_release+0x2e0/0x2e0 [ 1172.071237][T13753] kobject_add_internal+0xd08/0x16a0 [ 1172.076906][T13753] kobject_add+0x28c/0x3b0 [ 1172.081689][T13753] ? kobject_put+0x1fe/0x330 [ 1172.086624][T13753] device_add+0xaa2/0x1f20 [ 1172.091377][T13753] netdev_register_kobject+0x1ec/0x520 [ 1172.097181][T13753] register_netdevice+0x138a/0x1cd0 [ 1172.102719][T13753] bond_newlink+0x98/0x140 [ 1172.107440][T13753] ? bond_validate+0x270/0x270 [ 1172.112486][T13753] rtnl_newlink+0x2d5f/0x4110 [ 1172.117495][T13753] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1172.124040][T13753] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1172.130145][T13753] ? rtnl_setlink+0x7f0/0x7f0 [ 1172.135083][T13753] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1172.140489][T13753] ? ref_tracker_free+0x45/0xc10 [ 1172.145703][T13753] ? filter_irq_stacks+0x60/0x1a0 [ 1172.151042][T13753] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1172.157178][T13753] ? filter_irq_stacks+0x164/0x1a0 [ 1172.162693][T13753] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1172.168835][T13753] netlink_rcv_skb+0x371/0x650 [ 1172.173904][T13753] ? rtnetlink_bind+0xf0/0xf0 [ 1172.178895][T13753] ? rtnetlink_net_exit+0x60/0x60 [ 1172.184203][T13753] rtnetlink_rcv+0x34/0x40 [ 1172.188901][T13753] netlink_unicast+0xf47/0x1250 [ 1172.194042][T13753] netlink_sendmsg+0x1238/0x13d0 [ 1172.199285][T13753] ? netlink_getsockopt+0x980/0x980 [ 1172.204759][T13753] ____sys_sendmsg+0x9c2/0xd60 [ 1172.209820][T13753] ___sys_sendmsg+0x28d/0x3c0 [ 1172.214784][T13753] ? __fget_files+0x580/0x640 [ 1172.219720][T13753] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1172.225828][T13753] __x64_sys_sendmsg+0x307/0x490 [ 1172.231064][T13753] do_syscall_64+0x44/0x110 [ 1172.235818][T13753] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1172.242060][T13753] RIP: 0033:0x7f9a85a7cae9 [ 1172.246736][T13753] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1172.266627][T13753] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1172.275325][T13753] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1172.283522][T13753] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1172.291706][T13753] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1172.299889][T13753] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1172.308099][T13753] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1172.316318][T13753] [ 1172.320556][T13753] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1172.341308][T13753] bond10000000000 (unregistered): Released all slaves 02:11:14 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x12, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:14 executing program 0: bpf$BPF_PROG_ATTACH(0x10, &(0x7f0000000e80)={@map, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, @prog_id}, 0x20) 02:11:14 executing program 2: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$tipc(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 02:11:14 executing program 5: bpf$BPF_PROG_ATTACH(0xb, &(0x7f0000000e80)={@map, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, @prog_id}, 0x20) 02:11:15 executing program 3: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$unix(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)=[@rights={{0x10}}], 0x10}, 0x0) [ 1172.844784][T13763] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1172.863141][T13763] CPU: 0 PID: 13763 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1172.873552][T13763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1172.883873][T13763] Call Trace: [ 1172.887349][T13763] [ 1172.890475][T13763] dump_stack_lvl+0x1bf/0x240 02:11:15 executing program 5: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup/syz0\x00', 0x200002, 0x0) openat$cgroup_freezer_state(r0, &(0x7f0000000100), 0x2, 0x0) [ 1172.895526][T13763] dump_stack+0x1e/0x20 [ 1172.900037][T13763] sysfs_create_dir_ns+0x459/0x4c0 [ 1172.905482][T13763] ? device_release+0x2e0/0x2e0 [ 1172.910664][T13763] kobject_add_internal+0xd08/0x16a0 [ 1172.916326][T13763] kobject_add+0x28c/0x3b0 [ 1172.921107][T13763] ? kobject_put+0x1fe/0x330 [ 1172.926047][T13763] device_add+0xaa2/0x1f20 [ 1172.930806][T13763] netdev_register_kobject+0x1ec/0x520 [ 1172.936612][T13763] register_netdevice+0x138a/0x1cd0 02:11:15 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000600)=ANY=[@ANYBLOB="3000000000000000110000010de70000d6a7a6aff8440b515859711b36cc693220ba9fcdd51d2a280c828906e2c3000070"], 0xa0}, 0x0) [ 1172.942156][T13763] bond_newlink+0x98/0x140 [ 1172.946947][T13763] ? bond_validate+0x270/0x270 [ 1172.952062][T13763] rtnl_newlink+0x2d5f/0x4110 [ 1172.957149][T13763] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1172.963766][T13763] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1172.969928][T13763] ? rtnl_setlink+0x7f0/0x7f0 [ 1172.974906][T13763] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1172.980365][T13763] ? ref_tracker_free+0x45/0xc10 [ 1172.985617][T13763] ? filter_irq_stacks+0x60/0x1a0 [ 1172.990964][T13763] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1172.997125][T13763] ? filter_irq_stacks+0x164/0x1a0 [ 1173.002534][T13763] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1173.008656][T13763] netlink_rcv_skb+0x371/0x650 [ 1173.013710][T13763] ? rtnetlink_bind+0xf0/0xf0 [ 1173.018671][T13763] ? rtnetlink_net_exit+0x60/0x60 [ 1173.025177][T13763] rtnetlink_rcv+0x34/0x40 [ 1173.029863][T13763] netlink_unicast+0xf47/0x1250 [ 1173.034992][T13763] netlink_sendmsg+0x1238/0x13d0 [ 1173.040229][T13763] ? netlink_getsockopt+0x980/0x980 [ 1173.045708][T13763] ____sys_sendmsg+0x9c2/0xd60 [ 1173.050770][T13763] ___sys_sendmsg+0x28d/0x3c0 [ 1173.055756][T13763] ? __fget_files+0x580/0x640 [ 1173.060716][T13763] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1173.066829][T13763] __x64_sys_sendmsg+0x307/0x490 [ 1173.072074][T13763] do_syscall_64+0x44/0x110 [ 1173.076823][T13763] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1173.083122][T13763] RIP: 0033:0x7f449387cae9 [ 1173.087769][T13763] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1173.108084][T13763] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1173.116787][T13763] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1173.124989][T13763] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1173.133173][T13763] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1173.141366][T13763] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1173.149547][T13763] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1173.157775][T13763] [ 1173.162872][T13763] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1173.186178][T13763] bond10000000000 (unregistered): Released all slaves 02:11:15 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x3a00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:15 executing program 2: bpf$PROG_BIND_MAP(0x23, &(0x7f0000001100), 0xc) 02:11:15 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x22, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1173.607184][T13776] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1173.616773][T13776] CPU: 0 PID: 13776 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1173.627170][T13776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1173.637449][T13776] Call Trace: [ 1173.640894][T13776] [ 1173.644000][T13776] dump_stack_lvl+0x1bf/0x240 [ 1173.648996][T13776] dump_stack+0x1e/0x20 [ 1173.653441][T13776] sysfs_create_dir_ns+0x459/0x4c0 [ 1173.658818][T13776] ? device_release+0x2e0/0x2e0 [ 1173.663948][T13776] kobject_add_internal+0xd08/0x16a0 [ 1173.669540][T13776] kobject_add+0x28c/0x3b0 [ 1173.674289][T13776] ? kobject_put+0x1fe/0x330 [ 1173.679175][T13776] device_add+0xaa2/0x1f20 [ 1173.683878][T13776] netdev_register_kobject+0x1ec/0x520 [ 1173.689629][T13776] register_netdevice+0x138a/0x1cd0 [ 1173.695123][T13776] bond_newlink+0x98/0x140 [ 1173.699837][T13776] ? bond_validate+0x270/0x270 [ 1173.704885][T13776] rtnl_newlink+0x2d5f/0x4110 [ 1173.709890][T13776] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1173.716437][T13776] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1173.722538][T13776] ? rtnl_setlink+0x7f0/0x7f0 [ 1173.727482][T13776] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1173.732908][T13776] ? ref_tracker_free+0x45/0xc10 [ 1173.738112][T13776] ? filter_irq_stacks+0x60/0x1a0 [ 1173.743443][T13776] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1173.749583][T13776] ? filter_irq_stacks+0x164/0x1a0 [ 1173.755009][T13776] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1173.761150][T13776] netlink_rcv_skb+0x371/0x650 [ 1173.766205][T13776] ? rtnetlink_bind+0xf0/0xf0 [ 1173.771172][T13776] ? rtnetlink_net_exit+0x60/0x60 [ 1173.776478][T13776] rtnetlink_rcv+0x34/0x40 [ 1173.781190][T13776] netlink_unicast+0xf47/0x1250 [ 1173.786334][T13776] netlink_sendmsg+0x1238/0x13d0 [ 1173.791562][T13776] ? netlink_getsockopt+0x980/0x980 [ 1173.797036][T13776] ____sys_sendmsg+0x9c2/0xd60 [ 1173.802101][T13776] ___sys_sendmsg+0x28d/0x3c0 [ 1173.807070][T13776] ? __fget_files+0x580/0x640 [ 1173.812010][T13776] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1173.818118][T13776] __x64_sys_sendmsg+0x307/0x490 [ 1173.823367][T13776] do_syscall_64+0x44/0x110 [ 1173.828115][T13776] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1173.834334][T13776] RIP: 0033:0x7f9a85a7cae9 [ 1173.838969][T13776] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1173.858856][T13776] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1173.867553][T13776] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1173.875771][T13776] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1173.883986][T13776] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1173.892186][T13776] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1173.900390][T13776] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1173.908609][T13776] [ 1173.928822][T13776] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1173.946240][T13776] bond10000000000 (unregistered): Released all slaves 02:11:16 executing program 3: bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x14, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x48) 02:11:16 executing program 0: bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000740)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, &(0x7f00000005c0)='\\', 0x0}, 0x50) 02:11:16 executing program 2: bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000c80)={0xffffffffffffffff, 0x0, 0x0}, 0x20) 02:11:16 executing program 5: syz_genetlink_get_family_id$l2tp(0x0, 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000940), r0) [ 1174.354723][T13782] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1174.365163][T13782] CPU: 0 PID: 13782 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1174.375565][T13782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1174.385872][T13782] Call Trace: [ 1174.389348][T13782] [ 1174.392479][T13782] dump_stack_lvl+0x1bf/0x240 [ 1174.397514][T13782] dump_stack+0x1e/0x20 [ 1174.401991][T13782] sysfs_create_dir_ns+0x459/0x4c0 [ 1174.407376][T13782] ? device_release+0x2e0/0x2e0 [ 1174.412504][T13782] kobject_add_internal+0xd08/0x16a0 [ 1174.418109][T13782] kobject_add+0x28c/0x3b0 [ 1174.422845][T13782] ? kobject_put+0x1fe/0x330 [ 1174.427755][T13782] device_add+0xaa2/0x1f20 [ 1174.432454][T13782] netdev_register_kobject+0x1ec/0x520 [ 1174.438208][T13782] register_netdevice+0x138a/0x1cd0 [ 1174.443699][T13782] bond_newlink+0x98/0x140 [ 1174.448411][T13782] ? bond_validate+0x270/0x270 [ 1174.453456][T13782] rtnl_newlink+0x2d5f/0x4110 [ 1174.458543][T13782] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1174.465085][T13782] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1174.471192][T13782] ? rtnl_setlink+0x7f0/0x7f0 [ 1174.476163][T13782] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1174.481573][T13782] ? ref_tracker_free+0x45/0xc10 [ 1174.486769][T13782] ? filter_irq_stacks+0x60/0x1a0 [ 1174.492077][T13782] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1174.498230][T13782] ? filter_irq_stacks+0x164/0x1a0 [ 1174.503657][T13782] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1174.509800][T13782] netlink_rcv_skb+0x371/0x650 [ 1174.514855][T13782] ? rtnetlink_bind+0xf0/0xf0 [ 1174.519810][T13782] ? rtnetlink_net_exit+0x60/0x60 [ 1174.525095][T13782] rtnetlink_rcv+0x34/0x40 [ 1174.529784][T13782] netlink_unicast+0xf47/0x1250 [ 1174.534915][T13782] netlink_sendmsg+0x1238/0x13d0 [ 1174.540142][T13782] ? netlink_getsockopt+0x980/0x980 [ 1174.545640][T13782] ____sys_sendmsg+0x9c2/0xd60 [ 1174.550737][T13782] ___sys_sendmsg+0x28d/0x3c0 [ 1174.555739][T13782] ? __fget_files+0x580/0x640 [ 1174.560717][T13782] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1174.566855][T13782] __x64_sys_sendmsg+0x307/0x490 [ 1174.572113][T13782] do_syscall_64+0x44/0x110 [ 1174.576865][T13782] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1174.583101][T13782] RIP: 0033:0x7f449387cae9 [ 1174.587742][T13782] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1174.607639][T13782] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1174.616345][T13782] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1174.624548][T13782] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1174.632830][T13782] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1174.641014][T13782] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1174.649194][T13782] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1174.657587][T13782] [ 1174.670840][T13782] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1174.687433][T13782] bond10000000000 (unregistered): Released all slaves 02:11:17 executing program 0: syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff) pipe(&(0x7f0000000300)={0xffffffffffffffff}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, 0x0) syz_genetlink_get_family_id$wireguard(&(0x7f0000000380), r0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$L2TP_CMD_TUNNEL_DELETE(r1, &(0x7f00000007c0)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000780)={&(0x7f0000000700)={0x24, 0x0, 0x0, 0x0, 0x0, {}, [@L2TP_ATTR_PW_TYPE={0x6}, @L2TP_ATTR_UDP_SPORT={0x6}]}, 0x24}}, 0x0) syz_genetlink_get_family_id$l2tp(&(0x7f0000000840), 0xffffffffffffffff) 02:11:17 executing program 3: sendmsg$BATADV_CMD_GET_DAT_CACHE(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0) socketpair(0x3, 0x0, 0x7e0, &(0x7f0000000bc0)) 02:11:17 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x3f00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:17 executing program 2: openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000300)='freezer.state\x00', 0x0, 0x0) 02:11:17 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x25, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1175.354369][T13793] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1175.366385][T13793] CPU: 1 PID: 13793 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1175.376781][T13793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1175.387183][T13793] Call Trace: [ 1175.390675][T13793] [ 1175.393805][T13793] dump_stack_lvl+0x1bf/0x240 [ 1175.398841][T13793] dump_stack+0x1e/0x20 [ 1175.403326][T13793] sysfs_create_dir_ns+0x459/0x4c0 [ 1175.408788][T13793] ? device_release+0x2e0/0x2e0 [ 1175.413961][T13793] kobject_add_internal+0xd08/0x16a0 [ 1175.419656][T13793] kobject_add+0x28c/0x3b0 [ 1175.424431][T13793] ? kobject_put+0x1fe/0x330 [ 1175.429351][T13793] device_add+0xaa2/0x1f20 [ 1175.434110][T13793] netdev_register_kobject+0x1ec/0x520 [ 1175.439910][T13793] register_netdevice+0x138a/0x1cd0 [ 1175.445492][T13793] bond_newlink+0x98/0x140 [ 1175.450282][T13793] ? bond_validate+0x270/0x270 [ 1175.455379][T13793] rtnl_newlink+0x2d5f/0x4110 [ 1175.460448][T13793] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1175.467059][T13793] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1175.473234][T13793] ? rtnl_setlink+0x7f0/0x7f0 [ 1175.478217][T13793] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1175.483677][T13793] ? ref_tracker_free+0x45/0xc10 [ 1175.488931][T13793] ? filter_irq_stacks+0x60/0x1a0 [ 1175.494279][T13793] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1175.500440][T13793] ? filter_irq_stacks+0x164/0x1a0 [ 1175.505893][T13793] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1175.512065][T13793] netlink_rcv_skb+0x371/0x650 [ 1175.517169][T13793] ? rtnetlink_bind+0xf0/0xf0 [ 1175.522179][T13793] ? rtnetlink_net_exit+0x60/0x60 [ 1175.527530][T13793] rtnetlink_rcv+0x34/0x40 [ 1175.532270][T13793] netlink_unicast+0xf47/0x1250 [ 1175.537471][T13793] netlink_sendmsg+0x1238/0x13d0 [ 1175.542763][T13793] ? netlink_getsockopt+0x980/0x980 [ 1175.548285][T13793] ____sys_sendmsg+0x9c2/0xd60 [ 1175.553410][T13793] ___sys_sendmsg+0x28d/0x3c0 [ 1175.558448][T13793] ? __fget_files+0x580/0x640 [ 1175.563473][T13793] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1175.569684][T13793] __x64_sys_sendmsg+0x307/0x490 [ 1175.574987][T13793] do_syscall_64+0x44/0x110 [ 1175.579781][T13793] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1175.586224][T13793] RIP: 0033:0x7f9a85a7cae9 [ 1175.590906][T13793] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1175.610854][T13793] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1175.619616][T13793] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1175.627880][T13793] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1175.636100][T13793] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1175.644333][T13793] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:11:17 executing program 2: r0 = socket(0x200000100000011, 0x803, 0x0) r1 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r0, &(0x7f0000000100)="4dcdc7d96a760000003200007f09000000000000", 0x14, 0x0, &(0x7f0000000000)={0x11, 0x0, r2}, 0x14) [ 1175.652560][T13793] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1175.660829][T13793] [ 1175.669477][T13793] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1175.685759][T13793] bond10000000000 (unregistered): Released all slaves 02:11:18 executing program 3: epoll_pwait(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000780)={[0x2b]}, 0x8) 02:11:18 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$BTRFS_IOC_BALANCE_CTL(r0, 0x40049421, 0x0) [ 1176.044918][T13805] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1176.055734][T13805] CPU: 1 PID: 13805 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1176.066123][T13805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1176.076442][T13805] Call Trace: [ 1176.079914][T13805] [ 1176.083051][T13805] dump_stack_lvl+0x1bf/0x240 [ 1176.088091][T13805] dump_stack+0x1e/0x20 [ 1176.092590][T13805] sysfs_create_dir_ns+0x459/0x4c0 [ 1176.098117][T13805] ? device_release+0x2e0/0x2e0 [ 1176.103292][T13805] kobject_add_internal+0xd08/0x16a0 [ 1176.108977][T13805] kobject_add+0x28c/0x3b0 [ 1176.113743][T13805] ? kobject_put+0x1fe/0x330 [ 1176.118670][T13805] device_add+0xaa2/0x1f20 [ 1176.123447][T13805] netdev_register_kobject+0x1ec/0x520 [ 1176.129251][T13805] register_netdevice+0x138a/0x1cd0 [ 1176.134797][T13805] bond_newlink+0x98/0x140 [ 1176.139570][T13805] ? bond_validate+0x270/0x270 [ 1176.144689][T13805] rtnl_newlink+0x2d5f/0x4110 [ 1176.149768][T13805] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1176.155930][T13805] ? rtnl_setlink+0x7f0/0x7f0 [ 1176.160926][T13805] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1176.166388][T13805] ? ref_tracker_free+0x45/0xc10 [ 1176.171649][T13805] ? filter_irq_stacks+0x60/0x1a0 [ 1176.176994][T13805] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1176.183155][T13805] ? filter_irq_stacks+0x164/0x1a0 [ 1176.188644][T13805] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 02:11:18 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x4788, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1176.194805][T13805] netlink_rcv_skb+0x371/0x650 [ 1176.199899][T13805] ? rtnetlink_bind+0xf0/0xf0 [ 1176.204899][T13805] ? rtnetlink_net_exit+0x60/0x60 [ 1176.210240][T13805] rtnetlink_rcv+0x34/0x40 [ 1176.214969][T13805] netlink_unicast+0xf47/0x1250 [ 1176.220162][T13805] netlink_sendmsg+0x1238/0x13d0 [ 1176.225444][T13805] ? netlink_getsockopt+0x980/0x980 [ 1176.230969][T13805] ____sys_sendmsg+0x9c2/0xd60 [ 1176.236083][T13805] ___sys_sendmsg+0x28d/0x3c0 [ 1176.241102][T13805] ? __fget_files+0x580/0x640 [ 1176.246094][T13805] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1176.252260][T13805] __x64_sys_sendmsg+0x307/0x490 [ 1176.257568][T13805] do_syscall_64+0x44/0x110 [ 1176.262372][T13805] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1176.268670][T13805] RIP: 0033:0x7f449387cae9 [ 1176.273341][T13805] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1176.293283][T13805] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1176.302015][T13805] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1176.310223][T13805] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1176.318508][T13805] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1176.326709][T13805] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1176.334925][T13805] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1176.343196][T13805] [ 1176.354269][T13805] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1176.371084][T13805] bond10000000000 (unregistered): Released all slaves 02:11:18 executing program 5: pipe(&(0x7f0000000000)) bpf$BPF_RAW_TRACEPOINT_OPEN_UNNAMED(0x11, 0x0, 0x0) 02:11:18 executing program 0: pipe(&(0x7f0000000000)={0xffffffffffffffff}) syz_genetlink_get_family_id$ipvs(&(0x7f0000000280), r0) 02:11:18 executing program 3: epoll_pwait(0xffffffffffffffff, 0x0, 0x0, 0x7e000, &(0x7f0000000780)={[0x2b]}, 0x8) 02:11:19 executing program 5: sendmsg$BATADV_CMD_GET_DAT_CACHE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x0, 0x70bd28, 0x25dfdbfe, {}, [@BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x3}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}]}, 0x30}, 0x1, 0x0, 0x0, 0x40080c1}, 0x20000000) r0 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$L2TP_CMD_TUNNEL_DELETE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, r0, 0x2, 0x70bd2a, 0x25dfdbff, {}, [@L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x51b1}, @L2TP_ATTR_PEER_COOKIE={0xc, 0x10, 0x7fffffff}, @L2TP_ATTR_IP_DADDR={0x8, 0x19, @initdev={0xac, 0x1e, 0x0, 0x0}}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}]}, 0x48}, 0x1, 0x0, 0x0, 0x20000000}, 0x24000040) getsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x42, &(0x7f0000000280), &(0x7f00000002c0)=0x10) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000340)={'batadv_slave_1\x00', 0x0}) syz_genetlink_get_family_id$wireguard(&(0x7f0000000380), r1) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000400), r2) sendmsg$BATADV_CMD_GET_BLA_CLAIM(0xffffffffffffffff, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x64, r4, 0x100, 0x70bd27, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x4}, @BATADV_ATTR_BONDING_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x1}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r3}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x8}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0xa4}]}, 0x64}, 0x1, 0x0, 0x0, 0xc845}, 0x20000040) ioctl$F2FS_IOC_MOVE_RANGE(r1, 0xc020f509, &(0x7f0000000580)={r2, 0xcfa, 0x7a, 0x5eb}) syz_genetlink_get_family_id$gtp(&(0x7f0000000540), r5) r6 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$L2TP_CMD_TUNNEL_DELETE(r6, &(0x7f00000007c0)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000780)={&(0x7f0000000700)={0x48, r0, 0x0, 0x70bd26, 0x25dfdbfb, {}, [@L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x3}, @L2TP_ATTR_VLAN_ID={0x6}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x8}, @L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e20}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @initdev={0xac, 0x1e, 0x0, 0x0}}, @L2TP_ATTR_PEER_COOKIE={0xc, 0x10, 0xffffffff}]}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x40) [ 1176.921335][T13816] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1176.931060][T13816] CPU: 0 PID: 13816 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1176.941458][T13816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1176.951787][T13816] Call Trace: [ 1176.955251][T13816] [ 1176.958355][T13816] dump_stack_lvl+0x1bf/0x240 [ 1176.963388][T13816] dump_stack+0x1e/0x20 [ 1176.967836][T13816] sysfs_create_dir_ns+0x459/0x4c0 [ 1176.973216][T13816] ? device_release+0x2e0/0x2e0 [ 1176.978348][T13816] kobject_add_internal+0xd08/0x16a0 [ 1176.983952][T13816] kobject_add+0x28c/0x3b0 [ 1176.988664][T13816] ? kobject_put+0x1fe/0x330 [ 1176.993541][T13816] device_add+0xaa2/0x1f20 [ 1176.998233][T13816] netdev_register_kobject+0x1ec/0x520 [ 1177.003976][T13816] register_netdevice+0x138a/0x1cd0 [ 1177.009472][T13816] bond_newlink+0x98/0x140 [ 1177.014181][T13816] ? bond_validate+0x270/0x270 [ 1177.019227][T13816] rtnl_newlink+0x2d5f/0x4110 [ 1177.024237][T13816] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1177.030787][T13816] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1177.036890][T13816] ? rtnl_setlink+0x7f0/0x7f0 [ 1177.041830][T13816] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1177.047237][T13816] ? ref_tracker_free+0x45/0xc10 [ 1177.052506][T13816] ? filter_irq_stacks+0x60/0x1a0 [ 1177.057836][T13816] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1177.063955][T13816] ? filter_irq_stacks+0x164/0x1a0 [ 1177.069363][T13816] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1177.075486][T13816] netlink_rcv_skb+0x371/0x650 [ 1177.080537][T13816] ? rtnetlink_bind+0xf0/0xf0 [ 1177.085500][T13816] ? rtnetlink_net_exit+0x60/0x60 [ 1177.090794][T13816] rtnetlink_rcv+0x34/0x40 [ 1177.095491][T13816] netlink_unicast+0xf47/0x1250 [ 1177.100628][T13816] netlink_sendmsg+0x1238/0x13d0 [ 1177.105956][T13816] ? netlink_getsockopt+0x980/0x980 [ 1177.111435][T13816] ____sys_sendmsg+0x9c2/0xd60 [ 1177.116508][T13816] ___sys_sendmsg+0x28d/0x3c0 [ 1177.121484][T13816] ? __fget_files+0x580/0x640 [ 1177.126491][T13816] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1177.132608][T13816] __x64_sys_sendmsg+0x307/0x490 [ 1177.137858][T13816] do_syscall_64+0x44/0x110 [ 1177.142614][T13816] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1177.148835][T13816] RIP: 0033:0x7f9a85a7cae9 [ 1177.153493][T13816] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1177.173424][T13816] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1177.182120][T13816] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1177.190321][T13816] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1177.198524][T13816] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1177.206713][T13816] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1177.214893][T13816] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1177.223105][T13816] [ 1177.237059][T13816] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1177.253235][T13816] bond10000000000 (unregistered): Released all slaves 02:11:19 executing program 0: r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000a80)=[@in6={0xa, 0x0, 0x0, @rand_addr=' \x01\x00'}], 0x1c) 02:11:19 executing program 3: bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f00000012c0)=@bpf_tracing={0x1a, 0x0, 0x0, 0x0}, 0x90) 02:11:19 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x2f, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:19 executing program 2: r0 = socket(0x2, 0x1, 0x84) sendmsg$inet_sctp(r0, &(0x7f00000014c0)={&(0x7f0000000140)=@in={0x10, 0x2}, 0x10, 0x0, 0x0, &(0x7f0000001740)=[@prinfo={0x14}, @prinfo={0x14}], 0x28}, 0x0) 02:11:20 executing program 5: sendmsg$BATADV_CMD_GET_DAT_CACHE(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff}) syz_genetlink_get_family_id$wireguard(&(0x7f0000000380), r0) 02:11:20 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x4800, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1177.739602][T13832] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1177.749600][T13832] CPU: 0 PID: 13832 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1177.759991][T13832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1177.770299][T13832] Call Trace: [ 1177.773784][T13832] [ 1177.776911][T13832] dump_stack_lvl+0x1bf/0x240 [ 1177.781945][T13832] dump_stack+0x1e/0x20 [ 1177.786411][T13832] sysfs_create_dir_ns+0x459/0x4c0 [ 1177.791806][T13832] ? device_release+0x2e0/0x2e0 [ 1177.796953][T13832] kobject_add_internal+0xd08/0x16a0 [ 1177.802560][T13832] kobject_add+0x28c/0x3b0 [ 1177.807283][T13832] ? kobject_put+0x1fe/0x330 [ 1177.812148][T13832] device_add+0xaa2/0x1f20 [ 1177.816840][T13832] netdev_register_kobject+0x1ec/0x520 [ 1177.822574][T13832] register_netdevice+0x138a/0x1cd0 [ 1177.828073][T13832] bond_newlink+0x98/0x140 [ 1177.832791][T13832] ? bond_validate+0x270/0x270 [ 1177.837851][T13832] rtnl_newlink+0x2d5f/0x4110 [ 1177.842862][T13832] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1177.849398][T13832] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1177.855496][T13832] ? rtnl_setlink+0x7f0/0x7f0 [ 1177.860426][T13832] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1177.865858][T13832] ? ref_tracker_free+0x45/0xc10 [ 1177.871070][T13832] ? filter_irq_stacks+0x60/0x1a0 [ 1177.876391][T13832] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1177.882498][T13832] ? filter_irq_stacks+0x164/0x1a0 [ 1177.887977][T13832] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1177.894089][T13832] netlink_rcv_skb+0x371/0x650 [ 1177.899142][T13832] ? rtnetlink_bind+0xf0/0xf0 [ 1177.904107][T13832] ? rtnetlink_net_exit+0x60/0x60 [ 1177.909437][T13832] rtnetlink_rcv+0x34/0x40 [ 1177.914130][T13832] netlink_unicast+0xf47/0x1250 [ 1177.919305][T13832] netlink_sendmsg+0x1238/0x13d0 [ 1177.924541][T13832] ? netlink_getsockopt+0x980/0x980 [ 1177.930023][T13832] ____sys_sendmsg+0x9c2/0xd60 [ 1177.935085][T13832] ___sys_sendmsg+0x28d/0x3c0 [ 1177.940047][T13832] ? __fget_files+0x580/0x640 [ 1177.944981][T13832] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1177.951083][T13832] __x64_sys_sendmsg+0x307/0x490 [ 1177.956317][T13832] do_syscall_64+0x44/0x110 [ 1177.961060][T13832] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1177.967284][T13832] RIP: 0033:0x7f449387cae9 [ 1177.971928][T13832] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1177.991842][T13832] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1178.000531][T13832] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1178.008727][T13832] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1178.016918][T13832] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1178.025101][T13832] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1178.033284][T13832] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1178.041496][T13832] [ 1178.053587][T13832] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1178.069666][T13832] bond10000000000 (unregistered): Released all slaves 02:11:20 executing program 0: ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 02:11:20 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000300)='cgroup.controllers\x00', 0x275a, 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000040)=0x2000000) r1 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000480)=ANY=[], 0xb) ioctl$EXT4_IOC_CHECKPOINT(r1, 0x4004662b, &(0x7f0000000000)=0x2) close(r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x275a, 0x7) 02:11:20 executing program 3: sendmsg$BATADV_CMD_GET_DAT_CACHE(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0) r0 = socket$caif_stream(0x25, 0x1, 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000d80)) 02:11:20 executing program 5: pipe(&(0x7f0000000300)={0xffffffffffffffff}) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, 0x0) 02:11:20 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x3a, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1178.754542][T13840] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1178.764122][T13840] CPU: 1 PID: 13840 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1178.774507][T13840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1178.784825][T13840] Call Trace: [ 1178.788306][T13840] [ 1178.791437][T13840] dump_stack_lvl+0x1bf/0x240 [ 1178.796481][T13840] dump_stack+0x1e/0x20 [ 1178.800972][T13840] sysfs_create_dir_ns+0x459/0x4c0 [ 1178.806399][T13840] ? device_release+0x2e0/0x2e0 [ 1178.811593][T13840] kobject_add_internal+0xd08/0x16a0 [ 1178.817263][T13840] kobject_add+0x28c/0x3b0 [ 1178.822024][T13840] ? kobject_put+0x1fe/0x330 [ 1178.826950][T13840] device_add+0xaa2/0x1f20 [ 1178.831711][T13840] netdev_register_kobject+0x1ec/0x520 [ 1178.837500][T13840] register_netdevice+0x138a/0x1cd0 [ 1178.843038][T13840] bond_newlink+0x98/0x140 [ 1178.847827][T13840] ? bond_validate+0x270/0x270 [ 1178.852913][T13840] rtnl_newlink+0x2d5f/0x4110 [ 1178.857977][T13840] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1178.864578][T13840] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1178.870727][T13840] ? rtnl_setlink+0x7f0/0x7f0 [ 1178.875706][T13840] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1178.881154][T13840] ? ref_tracker_free+0x45/0xc10 [ 1178.886410][T13840] ? filter_irq_stacks+0x60/0x1a0 [ 1178.891799][T13840] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1178.897931][T13840] ? filter_irq_stacks+0x164/0x1a0 [ 1178.903368][T13840] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1178.909478][T13840] netlink_rcv_skb+0x371/0x650 [ 1178.914520][T13840] ? rtnetlink_bind+0xf0/0xf0 [ 1178.919458][T13840] ? rtnetlink_net_exit+0x60/0x60 [ 1178.924744][T13840] rtnetlink_rcv+0x34/0x40 [ 1178.929419][T13840] netlink_unicast+0xf47/0x1250 [ 1178.934545][T13840] netlink_sendmsg+0x1238/0x13d0 [ 1178.939770][T13840] ? netlink_getsockopt+0x980/0x980 [ 1178.945235][T13840] ____sys_sendmsg+0x9c2/0xd60 [ 1178.950289][T13840] ___sys_sendmsg+0x28d/0x3c0 [ 1178.955252][T13840] ? __fget_files+0x580/0x640 [ 1178.960188][T13840] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1178.966321][T13840] __x64_sys_sendmsg+0x307/0x490 [ 1178.971552][T13840] do_syscall_64+0x44/0x110 [ 1178.976293][T13840] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1178.982500][T13840] RIP: 0033:0x7f9a85a7cae9 [ 1178.987167][T13840] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1179.007130][T13840] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1179.015821][T13840] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1179.024015][T13840] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1179.032203][T13840] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1179.040380][T13840] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1179.048558][T13840] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1179.056761][T13840] [ 1179.067889][T13840] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1179.083992][T13840] bond10000000000 (unregistered): Released all slaves 02:11:21 executing program 3: syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff) pipe(&(0x7f0000000300)={0xffffffffffffffff}) syz_genetlink_get_family_id$wireguard(&(0x7f0000000380), r0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$L2TP_CMD_TUNNEL_DELETE(r1, &(0x7f00000007c0)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000780)={&(0x7f0000000700)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$l2tp(&(0x7f0000000840), 0xffffffffffffffff) 02:11:21 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$L2TP_CMD_TUNNEL_DELETE(r0, &(0x7f00000007c0)={0x0, 0x0, 0x0}, 0x0) 02:11:21 executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x275a, 0x0) r1 = socket$inet6(0xa, 0x1, 0x0) listen(r1, 0x7) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) accept4(r1, 0x0, 0x0, 0x0) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000007c0)={0x0, 0x0, 0x0, 0x20040006}) 02:11:21 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$L2TP_CMD_TUNNEL_DELETE(r0, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={0x0}}, 0x0) [ 1179.410402][T13850] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1179.420077][T13850] CPU: 1 PID: 13850 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1179.430452][T13850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1179.440760][T13850] Call Trace: [ 1179.444209][T13850] [ 1179.447307][T13850] dump_stack_lvl+0x1bf/0x240 [ 1179.452288][T13850] dump_stack+0x1e/0x20 [ 1179.456750][T13850] sysfs_create_dir_ns+0x459/0x4c0 [ 1179.462115][T13850] ? device_release+0x2e0/0x2e0 [ 1179.467292][T13850] kobject_add_internal+0xd08/0x16a0 [ 1179.472908][T13850] kobject_add+0x28c/0x3b0 [ 1179.477669][T13850] ? kobject_put+0x1fe/0x330 [ 1179.482569][T13850] device_add+0xaa2/0x1f20 [ 1179.487286][T13850] netdev_register_kobject+0x1ec/0x520 [ 1179.493055][T13850] register_netdevice+0x138a/0x1cd0 [ 1179.498556][T13850] bond_newlink+0x98/0x140 [ 1179.503288][T13850] ? bond_validate+0x270/0x270 [ 1179.508369][T13850] rtnl_newlink+0x2d5f/0x4110 [ 1179.513449][T13850] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1179.519604][T13850] ? rtnl_setlink+0x7f0/0x7f0 [ 1179.524539][T13850] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1179.529955][T13850] ? ref_tracker_free+0x45/0xc10 [ 1179.535189][T13850] ? filter_irq_stacks+0x60/0x1a0 [ 1179.540484][T13850] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1179.546594][T13850] ? filter_irq_stacks+0x164/0x1a0 [ 1179.551986][T13850] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1179.558103][T13850] netlink_rcv_skb+0x371/0x650 [ 1179.563180][T13850] ? rtnetlink_bind+0xf0/0xf0 [ 1179.568134][T13850] ? rtnetlink_net_exit+0x60/0x60 [ 1179.573429][T13850] rtnetlink_rcv+0x34/0x40 [ 1179.578122][T13850] netlink_unicast+0xf47/0x1250 [ 1179.583315][T13850] netlink_sendmsg+0x1238/0x13d0 [ 1179.588556][T13850] ? netlink_getsockopt+0x980/0x980 [ 1179.594015][T13850] ____sys_sendmsg+0x9c2/0xd60 [ 1179.599105][T13850] ___sys_sendmsg+0x28d/0x3c0 [ 1179.604088][T13850] ? __fget_files+0x580/0x640 [ 1179.609062][T13850] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1179.615244][T13850] __x64_sys_sendmsg+0x307/0x490 [ 1179.620496][T13850] do_syscall_64+0x44/0x110 [ 1179.625255][T13850] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1179.631465][T13850] RIP: 0033:0x7f449387cae9 [ 1179.636100][T13850] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1179.655980][T13850] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1179.664671][T13850] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1179.672878][T13850] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1179.681060][T13850] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1179.689266][T13850] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1179.697446][T13850] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1179.705653][T13850] [ 1179.717529][T13850] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1179.734056][T13850] bond10000000000 (unregistered): Released all slaves 02:11:22 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x4888, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1180.159441][T13863] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1180.169111][T13863] CPU: 1 PID: 13863 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1180.179520][T13863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1180.189835][T13863] Call Trace: [ 1180.193313][T13863] [ 1180.196452][T13863] dump_stack_lvl+0x1bf/0x240 [ 1180.201501][T13863] dump_stack+0x1e/0x20 [ 1180.205995][T13863] sysfs_create_dir_ns+0x459/0x4c0 [ 1180.211450][T13863] ? device_release+0x2e0/0x2e0 [ 1180.216624][T13863] kobject_add_internal+0xd08/0x16a0 [ 1180.222357][T13863] kobject_add+0x28c/0x3b0 [ 1180.227137][T13863] ? kobject_put+0x1fe/0x330 [ 1180.232072][T13863] device_add+0xaa2/0x1f20 [ 1180.236815][T13863] netdev_register_kobject+0x1ec/0x520 [ 1180.242623][T13863] register_netdevice+0x138a/0x1cd0 [ 1180.248165][T13863] bond_newlink+0x98/0x140 [ 1180.253016][T13863] ? bond_validate+0x270/0x270 [ 1180.258139][T13863] rtnl_newlink+0x2d5f/0x4110 [ 1180.263222][T13863] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1180.269818][T13863] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1180.275973][T13863] ? rtnl_setlink+0x7f0/0x7f0 [ 1180.280953][T13863] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1180.286428][T13863] ? ref_tracker_free+0x45/0xc10 [ 1180.291667][T13863] ? filter_irq_stacks+0x60/0x1a0 [ 1180.296968][T13863] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1180.303108][T13863] ? filter_irq_stacks+0x164/0x1a0 [ 1180.308500][T13863] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1180.314604][T13863] netlink_rcv_skb+0x371/0x650 [ 1180.319656][T13863] ? rtnetlink_bind+0xf0/0xf0 [ 1180.324606][T13863] ? rtnetlink_net_exit+0x60/0x60 [ 1180.329909][T13863] rtnetlink_rcv+0x34/0x40 [ 1180.334622][T13863] netlink_unicast+0xf47/0x1250 [ 1180.339754][T13863] netlink_sendmsg+0x1238/0x13d0 [ 1180.344979][T13863] ? netlink_getsockopt+0x980/0x980 [ 1180.350444][T13863] ____sys_sendmsg+0x9c2/0xd60 [ 1180.355502][T13863] ___sys_sendmsg+0x28d/0x3c0 [ 1180.360460][T13863] ? __fget_files+0x580/0x640 [ 1180.365430][T13863] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1180.371628][T13863] __x64_sys_sendmsg+0x307/0x490 [ 1180.376896][T13863] do_syscall_64+0x44/0x110 [ 1180.381671][T13863] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1180.387890][T13863] RIP: 0033:0x7f9a85a7cae9 [ 1180.392616][T13863] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1180.412507][T13863] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1180.421210][T13863] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1180.429424][T13863] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1180.437631][T13863] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1180.445818][T13863] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1180.453999][T13863] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1180.462208][T13863] [ 1180.473295][T13863] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1180.489284][T13863] bond10000000000 (unregistered): Released all slaves 02:11:22 executing program 5: syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff) pipe(&(0x7f0000000300)) 02:11:22 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x48, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:23 executing program 3: pwritev(0xffffffffffffffff, &(0x7f0000001b40)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x9, 0x0, 0x0) 02:11:23 executing program 2: epoll_pwait(0xffffffffffffffff, 0x0, 0x0, 0x7e000, &(0x7f0000000780), 0x8) [ 1180.955822][T13872] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1180.965457][T13872] CPU: 0 PID: 13872 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1180.975841][T13872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1180.986150][T13872] Call Trace: [ 1180.989664][T13872] [ 1180.992803][T13872] dump_stack_lvl+0x1bf/0x240 [ 1180.997863][T13872] dump_stack+0x1e/0x20 02:11:23 executing program 5: openat(0xffffffffffffffff, &(0x7f00000010c0)='./file0\x00', 0x0, 0x0) [ 1181.002365][T13872] sysfs_create_dir_ns+0x459/0x4c0 [ 1181.007794][T13872] ? device_release+0x2e0/0x2e0 [ 1181.012967][T13872] kobject_add_internal+0xd08/0x16a0 [ 1181.018613][T13872] kobject_add+0x28c/0x3b0 [ 1181.023376][T13872] ? kobject_put+0x1fe/0x330 [ 1181.028311][T13872] device_add+0xaa2/0x1f20 [ 1181.033054][T13872] netdev_register_kobject+0x1ec/0x520 [ 1181.038840][T13872] register_netdevice+0x138a/0x1cd0 [ 1181.044382][T13872] bond_newlink+0x98/0x140 [ 1181.049185][T13872] ? bond_validate+0x270/0x270 [ 1181.054317][T13872] rtnl_newlink+0x2d5f/0x4110 [ 1181.059378][T13872] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1181.065965][T13872] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1181.072150][T13872] ? rtnl_setlink+0x7f0/0x7f0 [ 1181.077136][T13872] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1181.082542][T13872] ? ref_tracker_free+0x45/0xc10 [ 1181.087815][T13872] ? filter_irq_stacks+0x60/0x1a0 [ 1181.093246][T13872] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1181.099359][T13872] ? filter_irq_stacks+0x164/0x1a0 [ 1181.104757][T13872] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1181.110865][T13872] netlink_rcv_skb+0x371/0x650 [ 1181.115909][T13872] ? rtnetlink_bind+0xf0/0xf0 [ 1181.120857][T13872] ? rtnetlink_net_exit+0x60/0x60 [ 1181.126144][T13872] rtnetlink_rcv+0x34/0x40 [ 1181.130821][T13872] netlink_unicast+0xf47/0x1250 [ 1181.135955][T13872] netlink_sendmsg+0x1238/0x13d0 [ 1181.141310][T13872] ? netlink_getsockopt+0x980/0x980 [ 1181.146794][T13872] ____sys_sendmsg+0x9c2/0xd60 [ 1181.151892][T13872] ___sys_sendmsg+0x28d/0x3c0 [ 1181.156876][T13872] ? __fget_files+0x580/0x640 [ 1181.161827][T13872] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1181.167936][T13872] __x64_sys_sendmsg+0x307/0x490 [ 1181.173185][T13872] do_syscall_64+0x44/0x110 [ 1181.177928][T13872] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1181.184156][T13872] RIP: 0033:0x7f449387cae9 [ 1181.188787][T13872] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1181.208674][T13872] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1181.217363][T13872] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1181.225567][T13872] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1181.233753][T13872] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1181.241938][T13872] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1181.250137][T13872] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1181.258457][T13872] [ 1181.271553][T13872] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1181.287801][T13872] bond10000000000 (unregistered): Released all slaves 02:11:23 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x4c00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:23 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000002040)={0xffffffffffffffff}) shutdown(r0, 0x1) 02:11:24 executing program 3: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000002040)) mprotect(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x2) [ 1181.743429][T13879] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1181.754135][T13879] CPU: 0 PID: 13879 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1181.764534][T13879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1181.774853][T13879] Call Trace: [ 1181.778338][T13879] [ 1181.781476][T13879] dump_stack_lvl+0x1bf/0x240 [ 1181.786532][T13879] dump_stack+0x1e/0x20 [ 1181.791044][T13879] sysfs_create_dir_ns+0x459/0x4c0 [ 1181.796490][T13879] ? device_release+0x2e0/0x2e0 [ 1181.801672][T13879] kobject_add_internal+0xd08/0x16a0 [ 1181.807325][T13879] kobject_add+0x28c/0x3b0 [ 1181.812108][T13879] ? kobject_put+0x1fe/0x330 [ 1181.817035][T13879] device_add+0xaa2/0x1f20 [ 1181.821775][T13879] netdev_register_kobject+0x1ec/0x520 [ 1181.827588][T13879] register_netdevice+0x138a/0x1cd0 [ 1181.833145][T13879] bond_newlink+0x98/0x140 [ 1181.837920][T13879] ? bond_validate+0x270/0x270 [ 1181.843042][T13879] rtnl_newlink+0x2d5f/0x4110 [ 1181.848103][T13879] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1181.854701][T13879] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1181.860872][T13879] ? rtnl_setlink+0x7f0/0x7f0 [ 1181.865861][T13879] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1181.871322][T13879] ? ref_tracker_free+0x45/0xc10 [ 1181.876577][T13879] ? filter_irq_stacks+0x60/0x1a0 [ 1181.881927][T13879] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1181.888098][T13879] ? filter_irq_stacks+0x164/0x1a0 02:11:24 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x4c, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1181.893554][T13879] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1181.899724][T13879] netlink_rcv_skb+0x371/0x650 [ 1181.905169][T13879] ? rtnetlink_bind+0xf0/0xf0 [ 1181.910183][T13879] ? rtnetlink_net_exit+0x60/0x60 [ 1181.915559][T13879] rtnetlink_rcv+0x34/0x40 [ 1181.920300][T13879] netlink_unicast+0xf47/0x1250 [ 1181.925503][T13879] netlink_sendmsg+0x1238/0x13d0 [ 1181.930789][T13879] ? netlink_getsockopt+0x980/0x980 [ 1181.936327][T13879] ____sys_sendmsg+0x9c2/0xd60 [ 1181.941464][T13879] ___sys_sendmsg+0x28d/0x3c0 [ 1181.946559][T13879] ? __fget_files+0x580/0x640 [ 1181.951564][T13879] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1181.957822][T13879] __x64_sys_sendmsg+0x307/0x490 [ 1181.963151][T13879] do_syscall_64+0x44/0x110 [ 1181.967950][T13879] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1181.974232][T13879] RIP: 0033:0x7f9a85a7cae9 [ 1181.978907][T13879] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1181.998851][T13879] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1182.007666][T13879] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1182.015867][T13879] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1182.024051][T13879] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1182.032245][T13879] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1182.040432][T13879] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1182.048641][T13879] [ 1182.061045][T13879] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1182.084248][T13879] bond10000000000 (unregistered): Released all slaves [ 1182.490084][T13887] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1182.499825][T13887] CPU: 0 PID: 13887 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1182.510223][T13887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1182.520544][T13887] Call Trace: [ 1182.524030][T13887] [ 1182.527163][T13887] dump_stack_lvl+0x1bf/0x240 [ 1182.532210][T13887] dump_stack+0x1e/0x20 [ 1182.536717][T13887] sysfs_create_dir_ns+0x459/0x4c0 [ 1182.542172][T13887] ? device_release+0x2e0/0x2e0 [ 1182.547358][T13887] kobject_add_internal+0xd08/0x16a0 [ 1182.553013][T13887] kobject_add+0x28c/0x3b0 [ 1182.557792][T13887] ? kobject_put+0x1fe/0x330 [ 1182.562720][T13887] device_add+0xaa2/0x1f20 [ 1182.567490][T13887] netdev_register_kobject+0x1ec/0x520 [ 1182.573284][T13887] register_netdevice+0x138a/0x1cd0 [ 1182.578817][T13887] bond_newlink+0x98/0x140 [ 1182.583591][T13887] ? bond_validate+0x270/0x270 [ 1182.588694][T13887] rtnl_newlink+0x2d5f/0x4110 [ 1182.593765][T13887] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1182.600366][T13887] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1182.606544][T13887] ? rtnl_setlink+0x7f0/0x7f0 [ 1182.611541][T13887] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1182.617017][T13887] ? ref_tracker_free+0x45/0xc10 [ 1182.622265][T13887] ? filter_irq_stacks+0x60/0x1a0 [ 1182.627620][T13887] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1182.633784][T13887] ? filter_irq_stacks+0x164/0x1a0 [ 1182.639319][T13887] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1182.645518][T13887] netlink_rcv_skb+0x371/0x650 [ 1182.650652][T13887] ? rtnetlink_bind+0xf0/0xf0 [ 1182.655656][T13887] ? rtnetlink_net_exit+0x60/0x60 [ 1182.660999][T13887] rtnetlink_rcv+0x34/0x40 [ 1182.665730][T13887] netlink_unicast+0xf47/0x1250 [ 1182.670936][T13887] netlink_sendmsg+0x1238/0x13d0 [ 1182.676221][T13887] ? netlink_getsockopt+0x980/0x980 [ 1182.681773][T13887] ____sys_sendmsg+0x9c2/0xd60 [ 1182.686889][T13887] ___sys_sendmsg+0x28d/0x3c0 [ 1182.691923][T13887] ? __fget_files+0x580/0x640 [ 1182.696920][T13887] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1182.703093][T13887] __x64_sys_sendmsg+0x307/0x490 [ 1182.708428][T13887] do_syscall_64+0x44/0x110 [ 1182.713223][T13887] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1182.719498][T13887] RIP: 0033:0x7f449387cae9 [ 1182.724178][T13887] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1182.744130][T13887] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1182.752972][T13887] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1182.761231][T13887] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1182.769487][T13887] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1182.777739][T13887] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1182.785998][T13887] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1182.794256][T13887] [ 1182.808912][T13887] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1182.825358][T13887] bond10000000000 (unregistered): Released all slaves 02:11:25 executing program 0: preadv(0xffffffffffffffff, &(0x7f0000001dc0)=[{0x0}], 0x1, 0x0, 0x0) 02:11:25 executing program 2: pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) getdents(r0, 0x0, 0x0) 02:11:25 executing program 3: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000002040)={0xffffffffffffffff}) sendmmsg(r0, &(0x7f0000001080), 0x10, 0xa) 02:11:25 executing program 5: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000002040)={0xffffffffffffffff}) getsockopt$sock_int(r0, 0xffff, 0x1001, &(0x7f0000000140), &(0x7f0000000180)=0x4) 02:11:25 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x5101, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:25 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x59, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1183.394331][T13895] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1183.411073][T13895] CPU: 0 PID: 13895 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1183.421480][T13895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1183.431819][T13895] Call Trace: [ 1183.435307][T13895] [ 1183.438434][T13895] dump_stack_lvl+0x1bf/0x240 [ 1183.443483][T13895] dump_stack+0x1e/0x20 [ 1183.447981][T13895] sysfs_create_dir_ns+0x459/0x4c0 [ 1183.453398][T13895] ? device_release+0x2e0/0x2e0 [ 1183.458577][T13895] kobject_add_internal+0xd08/0x16a0 [ 1183.464237][T13895] kobject_add+0x28c/0x3b0 [ 1183.468998][T13895] ? kobject_put+0x1fe/0x330 [ 1183.473927][T13895] device_add+0xaa2/0x1f20 [ 1183.478665][T13895] netdev_register_kobject+0x1ec/0x520 [ 1183.484471][T13895] register_netdevice+0x138a/0x1cd0 [ 1183.490014][T13895] bond_newlink+0x98/0x140 [ 1183.494780][T13895] ? bond_validate+0x270/0x270 [ 1183.499928][T13895] rtnl_newlink+0x2d5f/0x4110 [ 1183.505015][T13895] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1183.511618][T13895] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1183.517789][T13895] ? rtnl_setlink+0x7f0/0x7f0 [ 1183.522792][T13895] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1183.528251][T13895] ? ref_tracker_free+0x45/0xc10 [ 1183.533509][T13895] ? filter_irq_stacks+0x60/0x1a0 [ 1183.538857][T13895] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1183.545032][T13895] ? filter_irq_stacks+0x164/0x1a0 [ 1183.550483][T13895] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1183.556665][T13895] netlink_rcv_skb+0x371/0x650 [ 1183.561775][T13895] ? rtnetlink_bind+0xf0/0xf0 [ 1183.566841][T13895] ? rtnetlink_net_exit+0x60/0x60 [ 1183.572219][T13895] rtnetlink_rcv+0x34/0x40 [ 1183.576961][T13895] netlink_unicast+0xf47/0x1250 [ 1183.582151][T13895] netlink_sendmsg+0x1238/0x13d0 [ 1183.587448][T13895] ? netlink_getsockopt+0x980/0x980 [ 1183.592977][T13895] ____sys_sendmsg+0x9c2/0xd60 [ 1183.598097][T13895] ___sys_sendmsg+0x28d/0x3c0 [ 1183.603121][T13895] ? __fget_files+0x580/0x640 [ 1183.608107][T13895] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1183.614290][T13895] __x64_sys_sendmsg+0x307/0x490 [ 1183.619600][T13895] do_syscall_64+0x44/0x110 [ 1183.624400][T13895] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1183.630676][T13895] RIP: 0033:0x7f9a85a7cae9 [ 1183.635367][T13895] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1183.655323][T13895] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1183.664075][T13895] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1183.672343][T13895] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1183.680583][T13895] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 02:11:26 executing program 3: syz_emit_ethernet(0x36, &(0x7f0000000000)={@local, @local, @val, {@ipv6}}, 0x0) [ 1183.688833][T13895] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1183.697083][T13895] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1183.705376][T13895] [ 1183.717519][T13895] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1183.733770][T13895] bond10000000000 (unregistered): Released all slaves [ 1183.805275][T13899] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1183.821970][T13899] CPU: 0 PID: 13899 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1183.832398][T13899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1183.842759][T13899] Call Trace: [ 1183.846247][T13899] [ 1183.849393][T13899] dump_stack_lvl+0x1bf/0x240 02:11:26 executing program 5: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) writev(r0, &(0x7f0000001c00)=[{0x0}, {0x0}, {0x0}], 0x3) [ 1183.854453][T13899] dump_stack+0x1e/0x20 [ 1183.858978][T13899] sysfs_create_dir_ns+0x459/0x4c0 [ 1183.864407][T13899] ? device_release+0x2e0/0x2e0 [ 1183.869593][T13899] kobject_add_internal+0xd08/0x16a0 [ 1183.875251][T13899] kobject_add+0x28c/0x3b0 [ 1183.879982][T13899] ? kobject_put+0x1fe/0x330 [ 1183.884923][T13899] device_add+0xaa2/0x1f20 [ 1183.889616][T13899] netdev_register_kobject+0x1ec/0x520 [ 1183.895376][T13899] register_netdevice+0x138a/0x1cd0 [ 1183.900893][T13899] bond_newlink+0x98/0x140 [ 1183.905606][T13899] ? bond_validate+0x270/0x270 [ 1183.910689][T13899] rtnl_newlink+0x2d5f/0x4110 [ 1183.915735][T13899] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1183.921844][T13899] ? rtnl_setlink+0x7f0/0x7f0 [ 1183.926788][T13899] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1183.932196][T13899] ? ref_tracker_free+0x45/0xc10 [ 1183.937403][T13899] ? filter_irq_stacks+0x60/0x1a0 [ 1183.942736][T13899] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1183.948862][T13899] ? filter_irq_stacks+0x164/0x1a0 [ 1183.954261][T13899] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1183.960395][T13899] netlink_rcv_skb+0x371/0x650 [ 1183.965442][T13899] ? rtnetlink_bind+0xf0/0xf0 [ 1183.970396][T13899] ? rtnetlink_net_exit+0x60/0x60 [ 1183.975685][T13899] rtnetlink_rcv+0x34/0x40 [ 1183.980366][T13899] netlink_unicast+0xf47/0x1250 [ 1183.985502][T13899] netlink_sendmsg+0x1238/0x13d0 [ 1183.990730][T13899] ? netlink_getsockopt+0x980/0x980 [ 1183.996200][T13899] ____sys_sendmsg+0x9c2/0xd60 [ 1184.001267][T13899] ___sys_sendmsg+0x28d/0x3c0 [ 1184.006233][T13899] ? __fget_files+0x580/0x640 [ 1184.011180][T13899] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1184.017319][T13899] __x64_sys_sendmsg+0x307/0x490 [ 1184.022569][T13899] do_syscall_64+0x44/0x110 [ 1184.027354][T13899] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1184.033571][T13899] RIP: 0033:0x7f449387cae9 [ 1184.038202][T13899] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1184.058097][T13899] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1184.066801][T13899] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1184.075005][T13899] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1184.083197][T13899] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1184.091388][T13899] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1184.099571][T13899] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1184.107783][T13899] [ 1184.111677][T13899] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1184.135357][T13899] bond10000000000 (unregistered): Released all slaves 02:11:26 executing program 2: writev(0xffffffffffffffff, &(0x7f0000000180), 0x100000000000010f) 02:11:26 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x5865, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:27 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x60, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:27 executing program 5: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) bind$inet6(r0, 0x0, 0x0) [ 1184.800925][T13911] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1184.811371][T13911] CPU: 0 PID: 13911 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1184.821771][T13911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1184.832091][T13911] Call Trace: [ 1184.835572][T13911] [ 1184.838717][T13911] dump_stack_lvl+0x1bf/0x240 [ 1184.843775][T13911] dump_stack+0x1e/0x20 [ 1184.848282][T13911] sysfs_create_dir_ns+0x459/0x4c0 [ 1184.853723][T13911] ? device_release+0x2e0/0x2e0 [ 1184.858924][T13911] kobject_add_internal+0xd08/0x16a0 [ 1184.864586][T13911] kobject_add+0x28c/0x3b0 [ 1184.869374][T13911] ? kobject_put+0x1fe/0x330 [ 1184.874298][T13911] device_add+0xaa2/0x1f20 [ 1184.879063][T13911] netdev_register_kobject+0x1ec/0x520 [ 1184.884867][T13911] register_netdevice+0x138a/0x1cd0 [ 1184.890421][T13911] bond_newlink+0x98/0x140 [ 1184.895188][T13911] ? bond_validate+0x270/0x270 02:11:27 executing program 0: faccessat(0xffffffffffffffff, 0x0, 0x24) 02:11:27 executing program 3: pipe(&(0x7f0000000100)={0xffffffffffffffff}) sendto$inet(r0, 0x0, 0x0, 0x0, 0x0, 0x0) [ 1184.900309][T13911] rtnl_newlink+0x2d5f/0x4110 [ 1184.905391][T13911] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1184.912002][T13911] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1184.918182][T13911] ? rtnl_setlink+0x7f0/0x7f0 [ 1184.923188][T13911] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1184.928659][T13911] ? ref_tracker_free+0x45/0xc10 [ 1184.933934][T13911] ? filter_irq_stacks+0x60/0x1a0 [ 1184.939297][T13911] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1184.945463][T13911] ? filter_irq_stacks+0x164/0x1a0 [ 1184.950869][T13911] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1184.956983][T13911] netlink_rcv_skb+0x371/0x650 [ 1184.962032][T13911] ? rtnetlink_bind+0xf0/0xf0 [ 1184.966992][T13911] ? rtnetlink_net_exit+0x60/0x60 [ 1184.972296][T13911] rtnetlink_rcv+0x34/0x40 [ 1184.976979][T13911] netlink_unicast+0xf47/0x1250 [ 1184.982128][T13911] netlink_sendmsg+0x1238/0x13d0 [ 1184.987364][T13911] ? netlink_getsockopt+0x980/0x980 [ 1184.992837][T13911] ____sys_sendmsg+0x9c2/0xd60 [ 1184.997908][T13911] ___sys_sendmsg+0x28d/0x3c0 [ 1185.002897][T13911] ? __fget_files+0x580/0x640 [ 1185.007835][T13911] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1185.013962][T13911] __x64_sys_sendmsg+0x307/0x490 [ 1185.019207][T13911] do_syscall_64+0x44/0x110 [ 1185.023953][T13911] ? sysvec_apic_timer_interrupt+0x4d/0x90 [ 1185.030037][T13911] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1185.036353][T13911] RIP: 0033:0x7f9a85a7cae9 [ 1185.041037][T13911] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1185.061008][T13911] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1185.070141][T13911] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1185.078362][T13911] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1185.086733][T13911] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1185.094924][T13911] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1185.103110][T13911] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1185.111341][T13911] [ 1185.125924][T13911] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1185.150372][T13911] bond10000000000 (unregistered): Released all slaves [ 1185.227405][T13914] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1185.237132][T13914] CPU: 1 PID: 13914 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1185.247524][T13914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1185.257838][T13914] Call Trace: [ 1185.261327][T13914] [ 1185.264470][T13914] dump_stack_lvl+0x1bf/0x240 [ 1185.269515][T13914] dump_stack+0x1e/0x20 [ 1185.274030][T13914] sysfs_create_dir_ns+0x459/0x4c0 [ 1185.279477][T13914] ? device_release+0x2e0/0x2e0 [ 1185.284664][T13914] kobject_add_internal+0xd08/0x16a0 [ 1185.290328][T13914] kobject_add+0x28c/0x3b0 [ 1185.295125][T13914] ? kobject_put+0x1fe/0x330 [ 1185.300070][T13914] device_add+0xaa2/0x1f20 [ 1185.304837][T13914] netdev_register_kobject+0x1ec/0x520 [ 1185.310638][T13914] register_netdevice+0x138a/0x1cd0 [ 1185.316201][T13914] bond_newlink+0x98/0x140 [ 1185.320974][T13914] ? bond_validate+0x270/0x270 [ 1185.326090][T13914] rtnl_newlink+0x2d5f/0x4110 [ 1185.331171][T13914] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1185.337341][T13914] ? rtnl_setlink+0x7f0/0x7f0 [ 1185.342331][T13914] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1185.347831][T13914] ? ref_tracker_free+0x45/0xc10 [ 1185.353088][T13914] ? filter_irq_stacks+0x60/0x1a0 [ 1185.358455][T13914] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1185.364653][T13914] ? filter_irq_stacks+0x164/0x1a0 [ 1185.370126][T13914] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1185.376298][T13914] netlink_rcv_skb+0x371/0x650 [ 1185.381417][T13914] ? rtnetlink_bind+0xf0/0xf0 [ 1185.386441][T13914] ? rtnetlink_net_exit+0x60/0x60 [ 1185.391807][T13914] rtnetlink_rcv+0x34/0x40 [ 1185.396551][T13914] netlink_unicast+0xf47/0x1250 [ 1185.401787][T13914] netlink_sendmsg+0x1238/0x13d0 [ 1185.407014][T13914] ? netlink_getsockopt+0x980/0x980 [ 1185.412487][T13914] ____sys_sendmsg+0x9c2/0xd60 [ 1185.417554][T13914] ___sys_sendmsg+0x28d/0x3c0 [ 1185.422513][T13914] ? __fget_files+0x580/0x640 [ 1185.427473][T13914] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1185.433585][T13914] __x64_sys_sendmsg+0x307/0x490 [ 1185.438821][T13914] do_syscall_64+0x44/0x110 [ 1185.443568][T13914] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1185.449792][T13914] RIP: 0033:0x7f449387cae9 [ 1185.454448][T13914] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 02:11:27 executing program 2: socketpair$unix(0x1, 0x5, 0x0, 0x0) setsockopt$sock_linger(0xffffffffffffffff, 0xffff, 0x80, &(0x7f0000002080), 0x8) [ 1185.474338][T13914] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1185.483033][T13914] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1185.491235][T13914] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1185.499418][T13914] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1185.507608][T13914] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1185.515793][T13914] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1185.524003][T13914] [ 1185.536374][T13914] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1185.559108][T13914] bond10000000000 (unregistered): Released all slaves 02:11:28 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x5900, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:28 executing program 2: pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000002040)={0xffffffffffffffff}) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000002040)={0xffffffffffffffff}) poll(&(0x7f0000000280)=[{r1, 0x44}, {r1}, {r1, 0x40}, {r0, 0x8}, {r0, 0x4}, {r2, 0x12}, {r3, 0x20}], 0x7, 0x0) 02:11:28 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x68, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1186.055316][T13926] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1186.070038][T13926] CPU: 1 PID: 13926 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1186.080442][T13926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1186.090761][T13926] Call Trace: [ 1186.094250][T13926] [ 1186.097378][T13926] dump_stack_lvl+0x1bf/0x240 [ 1186.102417][T13926] dump_stack+0x1e/0x20 [ 1186.106928][T13926] sysfs_create_dir_ns+0x459/0x4c0 [ 1186.112363][T13926] ? device_release+0x2e0/0x2e0 [ 1186.117539][T13926] kobject_add_internal+0xd08/0x16a0 [ 1186.123160][T13926] kobject_add+0x28c/0x3b0 [ 1186.127905][T13926] ? kobject_put+0x1fe/0x330 [ 1186.132782][T13926] device_add+0xaa2/0x1f20 [ 1186.137481][T13926] netdev_register_kobject+0x1ec/0x520 [ 1186.143229][T13926] register_netdevice+0x138a/0x1cd0 [ 1186.148712][T13926] bond_newlink+0x98/0x140 [ 1186.153421][T13926] ? bond_validate+0x270/0x270 [ 1186.158469][T13926] rtnl_newlink+0x2d5f/0x4110 [ 1186.163496][T13926] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1186.170073][T13926] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1186.176190][T13926] ? rtnl_setlink+0x7f0/0x7f0 [ 1186.181130][T13926] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1186.186539][T13926] ? ref_tracker_free+0x45/0xc10 [ 1186.191744][T13926] ? filter_irq_stacks+0x60/0x1a0 [ 1186.197042][T13926] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1186.203162][T13926] ? filter_irq_stacks+0x164/0x1a0 [ 1186.208558][T13926] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1186.214659][T13926] netlink_rcv_skb+0x371/0x650 [ 1186.219706][T13926] ? rtnetlink_bind+0xf0/0xf0 [ 1186.224685][T13926] ? rtnetlink_net_exit+0x60/0x60 [ 1186.229984][T13926] rtnetlink_rcv+0x34/0x40 [ 1186.234666][T13926] netlink_unicast+0xf47/0x1250 [ 1186.239809][T13926] netlink_sendmsg+0x1238/0x13d0 [ 1186.245034][T13926] ? netlink_getsockopt+0x980/0x980 [ 1186.250505][T13926] ____sys_sendmsg+0x9c2/0xd60 [ 1186.255572][T13926] ___sys_sendmsg+0x28d/0x3c0 [ 1186.260532][T13926] ? __fget_files+0x580/0x640 [ 1186.265486][T13926] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1186.271630][T13926] __x64_sys_sendmsg+0x307/0x490 [ 1186.276878][T13926] do_syscall_64+0x44/0x110 [ 1186.281631][T13926] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1186.287841][T13926] RIP: 0033:0x7f9a85a7cae9 [ 1186.292478][T13926] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1186.312363][T13926] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1186.321082][T13926] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1186.329328][T13926] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1186.337527][T13926] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1186.345789][T13926] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1186.353998][T13926] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1186.362221][T13926] [ 1186.366236][T13926] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1186.395426][T13926] bond10000000000 (unregistered): Released all slaves 02:11:28 executing program 3: sendmmsg(0xffffffffffffffff, &(0x7f0000001080), 0x10, 0x0) 02:11:28 executing program 0: pwritev(0xffffffffffffffff, &(0x7f0000000500)=[{0x0}], 0x1, 0x0, 0x0) 02:11:29 executing program 5: fchmodat(0xffffffffffffffff, 0x0, 0x0) 02:11:29 executing program 2: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) read(r0, &(0x7f0000000080)=""/169, 0xa9) 02:11:29 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x6000, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1186.957110][T13936] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1186.967889][T13936] CPU: 1 PID: 13936 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1186.978275][T13936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1186.988595][T13936] Call Trace: [ 1186.992178][T13936] [ 1186.995303][T13936] dump_stack_lvl+0x1bf/0x240 [ 1187.000359][T13936] dump_stack+0x1e/0x20 [ 1187.004858][T13936] sysfs_create_dir_ns+0x459/0x4c0 [ 1187.010282][T13936] ? device_release+0x2e0/0x2e0 [ 1187.015448][T13936] kobject_add_internal+0xd08/0x16a0 [ 1187.021046][T13936] kobject_add+0x28c/0x3b0 [ 1187.025762][T13936] ? kobject_put+0x1fe/0x330 [ 1187.030628][T13936] device_add+0xaa2/0x1f20 [ 1187.035322][T13936] netdev_register_kobject+0x1ec/0x520 [ 1187.041058][T13936] register_netdevice+0x138a/0x1cd0 [ 1187.046552][T13936] bond_newlink+0x98/0x140 [ 1187.051255][T13936] ? bond_validate+0x270/0x270 [ 1187.056303][T13936] rtnl_newlink+0x2d5f/0x4110 [ 1187.061300][T13936] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1187.067837][T13936] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1187.073951][T13936] ? rtnl_setlink+0x7f0/0x7f0 [ 1187.078910][T13936] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1187.084330][T13936] ? ref_tracker_free+0x45/0xc10 [ 1187.089571][T13936] ? filter_irq_stacks+0x60/0x1a0 [ 1187.094901][T13936] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1187.101012][T13936] ? filter_irq_stacks+0x164/0x1a0 [ 1187.106405][T13936] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1187.112507][T13936] netlink_rcv_skb+0x371/0x650 [ 1187.117564][T13936] ? rtnetlink_bind+0xf0/0xf0 [ 1187.122536][T13936] ? rtnetlink_net_exit+0x60/0x60 [ 1187.127833][T13936] rtnetlink_rcv+0x34/0x40 [ 1187.132513][T13936] netlink_unicast+0xf47/0x1250 [ 1187.137648][T13936] netlink_sendmsg+0x1238/0x13d0 [ 1187.142874][T13936] ? netlink_getsockopt+0x980/0x980 [ 1187.148344][T13936] ____sys_sendmsg+0x9c2/0xd60 [ 1187.153397][T13936] ___sys_sendmsg+0x28d/0x3c0 [ 1187.158362][T13936] ? __fget_files+0x580/0x640 [ 1187.163300][T13936] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1187.169402][T13936] __x64_sys_sendmsg+0x307/0x490 [ 1187.174638][T13936] do_syscall_64+0x44/0x110 [ 1187.179379][T13936] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1187.185594][T13936] RIP: 0033:0x7f449387cae9 [ 1187.190234][T13936] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1187.210154][T13936] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1187.218844][T13936] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1187.227046][T13936] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1187.235237][T13936] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1187.243419][T13936] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1187.251601][T13936] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1187.259814][T13936] [ 1187.264638][T13936] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1187.294166][T13936] bond10000000000 (unregistered): Released all slaves 02:11:29 executing program 0: socket(0x1, 0x0, 0x22) 02:11:29 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) poll(&(0x7f00000006c0)=[{r0, 0x8}, {}], 0x2, 0x0) 02:11:29 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) poll(&(0x7f00000006c0)=[{r0, 0x8}], 0x1, 0x0) 02:11:30 executing program 2: r0 = socket$unix(0x1, 0x5, 0x0) bind(r0, 0x0, 0x0) [ 1187.812259][T13944] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1187.821861][T13944] CPU: 1 PID: 13944 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1187.832251][T13944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1187.842572][T13944] Call Trace: [ 1187.846024][T13944] [ 1187.849115][T13944] dump_stack_lvl+0x1bf/0x240 [ 1187.854110][T13944] dump_stack+0x1e/0x20 [ 1187.858550][T13944] sysfs_create_dir_ns+0x459/0x4c0 [ 1187.863929][T13944] ? device_release+0x2e0/0x2e0 [ 1187.869057][T13944] kobject_add_internal+0xd08/0x16a0 [ 1187.874668][T13944] kobject_add+0x28c/0x3b0 [ 1187.879405][T13944] ? kobject_put+0x1fe/0x330 [ 1187.884283][T13944] device_add+0xaa2/0x1f20 [ 1187.888987][T13944] netdev_register_kobject+0x1ec/0x520 [ 1187.894741][T13944] register_netdevice+0x138a/0x1cd0 [ 1187.900264][T13944] bond_newlink+0x98/0x140 [ 1187.904988][T13944] ? bond_validate+0x270/0x270 [ 1187.910074][T13944] rtnl_newlink+0x2d5f/0x4110 [ 1187.915087][T13944] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1187.921630][T13944] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1187.927729][T13944] ? rtnl_setlink+0x7f0/0x7f0 [ 1187.932667][T13944] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1187.938078][T13944] ? ref_tracker_free+0x45/0xc10 [ 1187.943276][T13944] ? filter_irq_stacks+0x60/0x1a0 [ 1187.948578][T13944] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1187.954683][T13944] ? filter_irq_stacks+0x164/0x1a0 [ 1187.960069][T13944] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1187.966167][T13944] netlink_rcv_skb+0x371/0x650 [ 1187.971213][T13944] ? rtnetlink_bind+0xf0/0xf0 [ 1187.976172][T13944] ? rtnetlink_net_exit+0x60/0x60 [ 1187.981468][T13944] rtnetlink_rcv+0x34/0x40 [ 1187.986146][T13944] netlink_unicast+0xf47/0x1250 [ 1187.991271][T13944] netlink_sendmsg+0x1238/0x13d0 [ 1187.996502][T13944] ? netlink_getsockopt+0x980/0x980 [ 1188.001979][T13944] ____sys_sendmsg+0x9c2/0xd60 [ 1188.007053][T13944] ___sys_sendmsg+0x28d/0x3c0 [ 1188.012056][T13944] ? __fget_files+0x580/0x640 [ 1188.017004][T13944] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1188.023113][T13944] __x64_sys_sendmsg+0x307/0x490 [ 1188.028357][T13944] do_syscall_64+0x44/0x110 [ 1188.033107][T13944] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1188.039309][T13944] RIP: 0033:0x7f9a85a7cae9 [ 1188.043946][T13944] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1188.063826][T13944] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1188.072514][T13944] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1188.080716][T13944] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1188.088902][T13944] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1188.097090][T13944] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1188.105290][T13944] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1188.113545][T13944] [ 1188.123804][T13944] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1188.139860][T13944] bond10000000000 (unregistered): Released all slaves 02:11:30 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x6c, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:30 executing program 3: utimensat(0xffffffffffffffff, 0x0, &(0x7f0000000100)={{0x0, 0x8000000000000001}}, 0x0) 02:11:31 executing program 5: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) preadv(r0, &(0x7f0000001200)=[{0x0}, {&(0x7f00000010c0)=""/43, 0x2b}], 0x2, 0x0, 0x0) 02:11:31 executing program 0: pwritev(0xffffffffffffffff, &(0x7f0000000340), 0x100000000000007f, 0x0, 0x0) [ 1188.715057][T13954] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1188.731777][T13954] CPU: 0 PID: 13954 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1188.742186][T13954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1188.752532][T13954] Call Trace: [ 1188.756018][T13954] [ 1188.759146][T13954] dump_stack_lvl+0x1bf/0x240 [ 1188.764199][T13954] dump_stack+0x1e/0x20 [ 1188.768707][T13954] sysfs_create_dir_ns+0x459/0x4c0 [ 1188.774144][T13954] ? device_release+0x2e0/0x2e0 [ 1188.779322][T13954] kobject_add_internal+0xd08/0x16a0 [ 1188.784969][T13954] kobject_add+0x28c/0x3b0 [ 1188.789738][T13954] ? kobject_put+0x1fe/0x330 [ 1188.794666][T13954] device_add+0xaa2/0x1f20 [ 1188.799405][T13954] netdev_register_kobject+0x1ec/0x520 [ 1188.805199][T13954] register_netdevice+0x138a/0x1cd0 [ 1188.810745][T13954] bond_newlink+0x98/0x140 [ 1188.815518][T13954] ? bond_validate+0x270/0x270 [ 1188.820632][T13954] rtnl_newlink+0x2d5f/0x4110 [ 1188.825702][T13954] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1188.832339][T13954] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1188.838498][T13954] ? rtnl_setlink+0x7f0/0x7f0 [ 1188.843480][T13954] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1188.848910][T13954] ? ref_tracker_free+0x45/0xc10 [ 1188.854116][T13954] ? filter_irq_stacks+0x60/0x1a0 [ 1188.859405][T13954] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1188.865517][T13954] ? filter_irq_stacks+0x164/0x1a0 [ 1188.870943][T13954] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1188.877071][T13954] netlink_rcv_skb+0x371/0x650 [ 1188.882136][T13954] ? rtnetlink_bind+0xf0/0xf0 [ 1188.887122][T13954] ? rtnetlink_net_exit+0x60/0x60 [ 1188.892417][T13954] rtnetlink_rcv+0x34/0x40 [ 1188.897219][T13954] netlink_unicast+0xf47/0x1250 [ 1188.902408][T13954] netlink_sendmsg+0x1238/0x13d0 [ 1188.907666][T13954] ? netlink_getsockopt+0x980/0x980 [ 1188.913150][T13954] ____sys_sendmsg+0x9c2/0xd60 [ 1188.918237][T13954] ___sys_sendmsg+0x28d/0x3c0 [ 1188.923229][T13954] ? __fget_files+0x580/0x640 [ 1188.928194][T13954] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1188.934363][T13954] __x64_sys_sendmsg+0x307/0x490 [ 1188.939631][T13954] do_syscall_64+0x44/0x110 [ 1188.944394][T13954] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1188.950610][T13954] RIP: 0033:0x7f449387cae9 [ 1188.955241][T13954] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1188.975130][T13954] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1188.983826][T13954] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1188.992018][T13954] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1189.000201][T13954] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1189.008390][T13954] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:11:31 executing program 3: getpgid(0xffffffffffffffff) getuid() 02:11:31 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x6011, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1189.016571][T13954] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1189.024848][T13954] [ 1189.028800][T13954] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1189.055112][T13954] bond10000000000 (unregistered): Released all slaves 02:11:31 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) poll(&(0x7f00000006c0)=[{r0}], 0x1, 0x0) 02:11:31 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x74, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1189.706538][T13965] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1189.716358][T13965] CPU: 0 PID: 13965 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1189.726755][T13965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1189.737084][T13965] Call Trace: [ 1189.740577][T13965] [ 1189.743707][T13965] dump_stack_lvl+0x1bf/0x240 [ 1189.748775][T13965] dump_stack+0x1e/0x20 [ 1189.753269][T13965] sysfs_create_dir_ns+0x459/0x4c0 [ 1189.758697][T13965] ? device_release+0x2e0/0x2e0 [ 1189.763893][T13965] kobject_add_internal+0xd08/0x16a0 [ 1189.769543][T13965] kobject_add+0x28c/0x3b0 [ 1189.774318][T13965] ? kobject_put+0x1fe/0x330 [ 1189.779257][T13965] device_add+0xaa2/0x1f20 [ 1189.784004][T13965] netdev_register_kobject+0x1ec/0x520 [ 1189.789815][T13965] register_netdevice+0x138a/0x1cd0 [ 1189.795368][T13965] bond_newlink+0x98/0x140 [ 1189.800152][T13965] ? bond_validate+0x270/0x270 [ 1189.805268][T13965] rtnl_newlink+0x2d5f/0x4110 [ 1189.810344][T13965] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1189.816953][T13965] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1189.823113][T13965] ? rtnl_setlink+0x7f0/0x7f0 [ 1189.828057][T13965] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1189.833461][T13965] ? ref_tracker_free+0x45/0xc10 [ 1189.838660][T13965] ? filter_irq_stacks+0x60/0x1a0 [ 1189.843958][T13965] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1189.850072][T13965] ? filter_irq_stacks+0x164/0x1a0 [ 1189.855508][T13965] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1189.861615][T13965] netlink_rcv_skb+0x371/0x650 [ 1189.866678][T13965] ? rtnetlink_bind+0xf0/0xf0 [ 1189.871641][T13965] ? rtnetlink_net_exit+0x60/0x60 [ 1189.876939][T13965] rtnetlink_rcv+0x34/0x40 [ 1189.881622][T13965] netlink_unicast+0xf47/0x1250 [ 1189.886777][T13965] netlink_sendmsg+0x1238/0x13d0 [ 1189.892004][T13965] ? netlink_getsockopt+0x980/0x980 [ 1189.897472][T13965] ____sys_sendmsg+0x9c2/0xd60 [ 1189.902533][T13965] ___sys_sendmsg+0x28d/0x3c0 [ 1189.907509][T13965] ? __fget_files+0x580/0x640 [ 1189.912443][T13965] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1189.918550][T13965] __x64_sys_sendmsg+0x307/0x490 [ 1189.923796][T13965] do_syscall_64+0x44/0x110 [ 1189.928539][T13965] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1189.934752][T13965] RIP: 0033:0x7f9a85a7cae9 [ 1189.939378][T13965] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1189.959255][T13965] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1189.967947][T13965] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1189.976155][T13965] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1189.984336][T13965] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1189.992518][T13965] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:11:32 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000500)=""/4096, 0x1000}], 0x1, 0x0, 0x0) [ 1190.000702][T13965] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1190.008914][T13965] [ 1190.022103][T13965] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1190.038275][T13965] bond10000000000 (unregistered): Released all slaves 02:11:32 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) sendto$unix(r0, 0x0, 0x0, 0x8, &(0x7f0000000200)=@file={0x0, './file0\x00'}, 0xa) 02:11:32 executing program 5: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) close(r0) preadv(r0, &(0x7f0000000040)=[{0x0}], 0x1, 0x0, 0x0) 02:11:32 executing program 2: pwritev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) [ 1190.294921][T13969] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1190.304510][T13969] CPU: 0 PID: 13969 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1190.314888][T13969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1190.325197][T13969] Call Trace: [ 1190.328670][T13969] [ 1190.331825][T13969] dump_stack_lvl+0x1bf/0x240 [ 1190.336874][T13969] dump_stack+0x1e/0x20 [ 1190.341381][T13969] sysfs_create_dir_ns+0x459/0x4c0 [ 1190.346816][T13969] ? device_release+0x2e0/0x2e0 [ 1190.351998][T13969] kobject_add_internal+0xd08/0x16a0 [ 1190.357647][T13969] kobject_add+0x28c/0x3b0 [ 1190.362428][T13969] ? kobject_put+0x1fe/0x330 [ 1190.367354][T13969] device_add+0xaa2/0x1f20 [ 1190.372100][T13969] netdev_register_kobject+0x1ec/0x520 [ 1190.377970][T13969] register_netdevice+0x138a/0x1cd0 [ 1190.383468][T13969] bond_newlink+0x98/0x140 [ 1190.388179][T13969] ? bond_validate+0x270/0x270 [ 1190.393234][T13969] rtnl_newlink+0x2d5f/0x4110 [ 1190.398264][T13969] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1190.404369][T13969] ? rtnl_setlink+0x7f0/0x7f0 [ 1190.409304][T13969] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1190.414711][T13969] ? ref_tracker_free+0x45/0xc10 [ 1190.419913][T13969] ? filter_irq_stacks+0x60/0x1a0 [ 1190.425205][T13969] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1190.431318][T13969] ? filter_irq_stacks+0x164/0x1a0 [ 1190.436714][T13969] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1190.442831][T13969] netlink_rcv_skb+0x371/0x650 [ 1190.447893][T13969] ? rtnetlink_bind+0xf0/0xf0 [ 1190.452851][T13969] ? rtnetlink_net_exit+0x60/0x60 [ 1190.458139][T13969] rtnetlink_rcv+0x34/0x40 [ 1190.462832][T13969] netlink_unicast+0xf47/0x1250 [ 1190.467984][T13969] netlink_sendmsg+0x1238/0x13d0 [ 1190.473241][T13969] ? netlink_getsockopt+0x980/0x980 [ 1190.478765][T13969] ____sys_sendmsg+0x9c2/0xd60 [ 1190.483892][T13969] ___sys_sendmsg+0x28d/0x3c0 [ 1190.488880][T13969] ? __fget_files+0x580/0x640 [ 1190.493833][T13969] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1190.499941][T13969] __x64_sys_sendmsg+0x307/0x490 [ 1190.505178][T13969] do_syscall_64+0x44/0x110 [ 1190.509928][T13969] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1190.516131][T13969] RIP: 0033:0x7f449387cae9 [ 1190.520765][T13969] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1190.540643][T13969] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1190.549333][T13969] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1190.557530][T13969] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1190.565724][T13969] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1190.573932][T13969] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1190.582117][T13969] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1190.590356][T13969] [ 1190.607320][T13969] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1190.624675][T13969] bond10000000000 (unregistered): Released all slaves 02:11:33 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x60ff, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:33 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x7a, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:33 executing program 5: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) preadv(r0, &(0x7f0000001200)=[{&(0x7f0000000080)=""/4106, 0x100a}, {&(0x7f00000010c0)=""/43, 0x2b}, {0x0}], 0x3, 0x0, 0x0) 02:11:33 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x6558, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:33 executing program 0: socket$unix(0x1, 0xe7f0aad033867ba5, 0x0) 02:11:33 executing program 2: shmget$private(0x0, 0x2000, 0x0, &(0x7f0000ffe000/0x2000)=nil) 02:11:33 executing program 3: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_mreq(r0, 0x29, 0x14, &(0x7f0000000040)={@mcast1}, 0x14) [ 1191.368553][T13985] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1191.378242][T13985] CPU: 1 PID: 13985 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1191.388625][T13985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1191.398949][T13985] Call Trace: [ 1191.402421][T13985] [ 1191.405522][T13985] dump_stack_lvl+0x1bf/0x240 [ 1191.410519][T13985] dump_stack+0x1e/0x20 [ 1191.414961][T13985] sysfs_create_dir_ns+0x459/0x4c0 [ 1191.420362][T13985] ? device_release+0x2e0/0x2e0 [ 1191.425526][T13985] kobject_add_internal+0xd08/0x16a0 [ 1191.431170][T13985] kobject_add+0x28c/0x3b0 [ 1191.435909][T13985] ? kobject_put+0x1fe/0x330 [ 1191.440788][T13985] device_add+0xaa2/0x1f20 [ 1191.445481][T13985] netdev_register_kobject+0x1ec/0x520 [ 1191.451226][T13985] register_netdevice+0x138a/0x1cd0 [ 1191.456712][T13985] bond_newlink+0x98/0x140 [ 1191.461420][T13985] ? bond_validate+0x270/0x270 [ 1191.466469][T13985] rtnl_newlink+0x2d5f/0x4110 [ 1191.471473][T13985] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1191.478016][T13985] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1191.484124][T13985] ? rtnl_setlink+0x7f0/0x7f0 [ 1191.489080][T13985] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1191.494527][T13985] ? ref_tracker_free+0x45/0xc10 [ 1191.499768][T13985] ? filter_irq_stacks+0x60/0x1a0 [ 1191.505197][T13985] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1191.511376][T13985] ? filter_irq_stacks+0x164/0x1a0 [ 1191.516808][T13985] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1191.522946][T13985] netlink_rcv_skb+0x371/0x650 [ 1191.528005][T13985] ? rtnetlink_bind+0xf0/0xf0 [ 1191.532960][T13985] ? rtnetlink_net_exit+0x60/0x60 [ 1191.538264][T13985] rtnetlink_rcv+0x34/0x40 [ 1191.542941][T13985] netlink_unicast+0xf47/0x1250 [ 1191.548072][T13985] netlink_sendmsg+0x1238/0x13d0 [ 1191.553299][T13985] ? netlink_getsockopt+0x980/0x980 [ 1191.558762][T13985] ____sys_sendmsg+0x9c2/0xd60 [ 1191.563819][T13985] ___sys_sendmsg+0x28d/0x3c0 [ 1191.568781][T13985] ? __fget_files+0x580/0x640 [ 1191.573721][T13985] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1191.579829][T13985] __x64_sys_sendmsg+0x307/0x490 [ 1191.585070][T13985] do_syscall_64+0x44/0x110 [ 1191.589828][T13985] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1191.596075][T13985] RIP: 0033:0x7f449387cae9 [ 1191.600725][T13985] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1191.620701][T13985] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1191.629397][T13985] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1191.637608][T13985] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1191.645813][T13985] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1191.653996][T13985] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1191.662267][T13985] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1191.670479][T13985] [ 1191.682983][T13985] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1191.703968][T13985] bond10000000000 (unregistered): Released all slaves 02:11:34 executing program 5: get_mempolicy(0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x3) mprotect(&(0x7f0000ff9000/0x3000)=nil, 0x3000, 0x0) mprotect(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0) 02:11:34 executing program 0: prctl$PR_SET_MM(0x23, 0xd, &(0x7f0000ff8000/0x4000)=nil) 02:11:34 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x199, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1192.231911][T13995] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1192.241627][T13995] CPU: 1 PID: 13995 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1192.252018][T13995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1192.262426][T13995] Call Trace: [ 1192.265916][T13995] [ 1192.269052][T13995] dump_stack_lvl+0x1bf/0x240 [ 1192.274106][T13995] dump_stack+0x1e/0x20 02:11:34 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) poll(&(0x7f00000006c0)=[{r0}, {}], 0x2, 0x0) [ 1192.278626][T13995] sysfs_create_dir_ns+0x459/0x4c0 [ 1192.284064][T13995] ? device_release+0x2e0/0x2e0 [ 1192.289244][T13995] kobject_add_internal+0xd08/0x16a0 [ 1192.294898][T13995] kobject_add+0x28c/0x3b0 [ 1192.299673][T13995] ? kobject_put+0x1fe/0x330 [ 1192.304590][T13995] device_add+0xaa2/0x1f20 [ 1192.309335][T13995] netdev_register_kobject+0x1ec/0x520 [ 1192.315141][T13995] register_netdevice+0x138a/0x1cd0 [ 1192.320693][T13995] bond_newlink+0x98/0x140 [ 1192.325469][T13995] ? bond_validate+0x270/0x270 [ 1192.330605][T13995] rtnl_newlink+0x2d5f/0x4110 [ 1192.335687][T13995] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1192.342303][T13995] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1192.348491][T13995] ? rtnl_setlink+0x7f0/0x7f0 [ 1192.353509][T13995] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1192.358985][T13995] ? ref_tracker_free+0x45/0xc10 [ 1192.364201][T13995] ? filter_irq_stacks+0x60/0x1a0 [ 1192.369493][T13995] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1192.375611][T13995] ? filter_irq_stacks+0x164/0x1a0 [ 1192.381004][T13995] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1192.387114][T13995] netlink_rcv_skb+0x371/0x650 [ 1192.392174][T13995] ? rtnetlink_bind+0xf0/0xf0 [ 1192.397132][T13995] ? rtnetlink_net_exit+0x60/0x60 [ 1192.402426][T13995] rtnetlink_rcv+0x34/0x40 [ 1192.407159][T13995] netlink_unicast+0xf47/0x1250 [ 1192.412334][T13995] netlink_sendmsg+0x1238/0x13d0 [ 1192.417603][T13995] ? netlink_getsockopt+0x980/0x980 [ 1192.423094][T13995] ____sys_sendmsg+0x9c2/0xd60 [ 1192.428171][T13995] ___sys_sendmsg+0x28d/0x3c0 [ 1192.433134][T13995] ? __fget_files+0x580/0x640 [ 1192.438072][T13995] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1192.444185][T13995] __x64_sys_sendmsg+0x307/0x490 [ 1192.449427][T13995] do_syscall_64+0x44/0x110 [ 1192.454177][T13995] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1192.460385][T13995] RIP: 0033:0x7f9a85a7cae9 [ 1192.465028][T13995] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1192.484904][T13995] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1192.493606][T13995] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1192.501800][T13995] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1192.509996][T13995] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1192.518183][T13995] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1192.526381][T13995] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1192.534598][T13995] [ 1192.546945][T13995] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1192.569321][T13995] bond10000000000 (unregistered): Released all slaves 02:11:35 executing program 5: pwritev(0xffffffffffffffff, &(0x7f00000004c0)=[{0x0, 0x8100000000000000}], 0x1, 0x0, 0x0) [ 1192.767040][T14005] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1192.776860][T14005] CPU: 1 PID: 14005 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1192.787257][T14005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1192.797585][T14005] Call Trace: [ 1192.801104][T14005] [ 1192.804241][T14005] dump_stack_lvl+0x1bf/0x240 [ 1192.809303][T14005] dump_stack+0x1e/0x20 [ 1192.813813][T14005] sysfs_create_dir_ns+0x459/0x4c0 [ 1192.819238][T14005] ? device_release+0x2e0/0x2e0 [ 1192.824417][T14005] kobject_add_internal+0xd08/0x16a0 [ 1192.830073][T14005] kobject_add+0x28c/0x3b0 [ 1192.834868][T14005] ? kobject_put+0x1fe/0x330 [ 1192.839814][T14005] device_add+0xaa2/0x1f20 [ 1192.844586][T14005] netdev_register_kobject+0x1ec/0x520 [ 1192.850392][T14005] register_netdevice+0x138a/0x1cd0 [ 1192.855944][T14005] bond_newlink+0x98/0x140 [ 1192.860718][T14005] ? bond_validate+0x270/0x270 [ 1192.865839][T14005] rtnl_newlink+0x2d5f/0x4110 [ 1192.870912][T14005] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1192.877522][T14005] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1192.883691][T14005] ? rtnl_setlink+0x7f0/0x7f0 [ 1192.888727][T14005] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1192.894200][T14005] ? ref_tracker_free+0x45/0xc10 [ 1192.899449][T14005] ? filter_irq_stacks+0x60/0x1a0 [ 1192.904803][T14005] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1192.910978][T14005] ? filter_irq_stacks+0x164/0x1a0 02:11:35 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x6800, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1192.916440][T14005] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1192.922638][T14005] netlink_rcv_skb+0x371/0x650 [ 1192.927733][T14005] ? rtnetlink_bind+0xf0/0xf0 [ 1192.932740][T14005] ? rtnetlink_net_exit+0x60/0x60 [ 1192.938098][T14005] rtnetlink_rcv+0x34/0x40 [ 1192.942831][T14005] netlink_unicast+0xf47/0x1250 [ 1192.948018][T14005] netlink_sendmsg+0x1238/0x13d0 [ 1192.953313][T14005] ? netlink_getsockopt+0x980/0x980 [ 1192.958866][T14005] ____sys_sendmsg+0x9c2/0xd60 [ 1192.963996][T14005] ___sys_sendmsg+0x28d/0x3c0 [ 1192.969040][T14005] ? __fget_files+0x580/0x640 [ 1192.974044][T14005] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1192.980244][T14005] __x64_sys_sendmsg+0x307/0x490 [ 1192.985641][T14005] do_syscall_64+0x44/0x110 [ 1192.990440][T14005] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1192.996723][T14005] RIP: 0033:0x7f449387cae9 [ 1193.001397][T14005] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1193.021342][T14005] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1193.030103][T14005] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1193.038353][T14005] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1193.046560][T14005] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1193.054748][T14005] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1193.062931][T14005] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1193.071147][T14005] [ 1193.076613][T14005] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1193.100532][T14005] bond10000000000 (unregistered): Released all slaves 02:11:35 executing program 2: get_mempolicy(0x0, 0x0, 0x0, &(0x7f0000ffb000/0x4000)=nil, 0x3) io_setup(0x0, &(0x7f0000000040)) 02:11:35 executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000004700)={0xffffffffffffffff}) ioctl$sock_inet_udp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000040)) 02:11:35 executing program 3: r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x40, 0x0) unlinkat(r0, &(0x7f0000000200)='./file0\x00', 0x0) [ 1193.525070][T14010] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1193.534738][T14010] CPU: 1 PID: 14010 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1193.545139][T14010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1193.555451][T14010] Call Trace: [ 1193.558933][T14010] [ 1193.562122][T14010] dump_stack_lvl+0x1bf/0x240 [ 1193.567178][T14010] dump_stack+0x1e/0x20 [ 1193.571764][T14010] sysfs_create_dir_ns+0x459/0x4c0 [ 1193.577203][T14010] ? device_release+0x2e0/0x2e0 [ 1193.582388][T14010] kobject_add_internal+0xd08/0x16a0 [ 1193.588052][T14010] kobject_add+0x28c/0x3b0 [ 1193.592825][T14010] ? kobject_put+0x1fe/0x330 [ 1193.597743][T14010] device_add+0xaa2/0x1f20 [ 1193.602501][T14010] netdev_register_kobject+0x1ec/0x520 [ 1193.608303][T14010] register_netdevice+0x138a/0x1cd0 [ 1193.613852][T14010] bond_newlink+0x98/0x140 [ 1193.618630][T14010] ? bond_validate+0x270/0x270 [ 1193.623747][T14010] rtnl_newlink+0x2d5f/0x4110 [ 1193.628828][T14010] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1193.635015][T14010] ? rtnl_setlink+0x7f0/0x7f0 [ 1193.640022][T14010] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1193.645484][T14010] ? ref_tracker_free+0x45/0xc10 [ 1193.650728][T14010] ? filter_irq_stacks+0x60/0x1a0 [ 1193.656085][T14010] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1193.662247][T14010] ? filter_irq_stacks+0x164/0x1a0 [ 1193.667691][T14010] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1193.673876][T14010] netlink_rcv_skb+0x371/0x650 [ 1193.679179][T14010] ? rtnetlink_bind+0xf0/0xf0 [ 1193.684198][T14010] ? rtnetlink_net_exit+0x60/0x60 [ 1193.689559][T14010] rtnetlink_rcv+0x34/0x40 [ 1193.694309][T14010] netlink_unicast+0xf47/0x1250 [ 1193.699498][T14010] netlink_sendmsg+0x1238/0x13d0 [ 1193.704793][T14010] ? netlink_getsockopt+0x980/0x980 [ 1193.710333][T14010] ____sys_sendmsg+0x9c2/0xd60 [ 1193.715468][T14010] ___sys_sendmsg+0x28d/0x3c0 [ 1193.720494][T14010] ? __fget_files+0x580/0x640 [ 1193.725489][T14010] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1193.731676][T14010] __x64_sys_sendmsg+0x307/0x490 [ 1193.736998][T14010] do_syscall_64+0x44/0x110 [ 1193.741805][T14010] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1193.748118][T14010] RIP: 0033:0x7f9a85a7cae9 [ 1193.752805][T14010] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1193.772754][T14010] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1193.781503][T14010] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1193.789789][T14010] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1193.798040][T14010] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1193.806234][T14010] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1193.814419][T14010] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1193.822631][T14010] [ 1193.834633][T14010] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1193.855789][T14010] bond10000000000 (unregistered): Released all slaves 02:11:36 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x300, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:36 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000002280)={0xffffffffffffffff}) unlinkat(r0, &(0x7f0000000000)='./file0\x00', 0x0) 02:11:36 executing program 5: r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x40, 0x0) mmap$binder(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x1, 0x11, r0, 0x1) 02:11:36 executing program 0: openat$fuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) pselect6(0x40, &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x8}, &(0x7f0000000100)={0x0, 0x3938700}, 0x0) 02:11:36 executing program 3: socket$inet_udp(0x2, 0x2, 0x0) pselect6(0x40, &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x8}, &(0x7f0000000100)={0x0, 0x3938700}, 0x0) [ 1194.479790][T14030] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1194.489607][T14030] CPU: 0 PID: 14030 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1194.500004][T14030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1194.511104][T14030] Call Trace: [ 1194.514595][T14030] [ 1194.517716][T14030] dump_stack_lvl+0x1bf/0x240 [ 1194.522765][T14030] dump_stack+0x1e/0x20 [ 1194.527298][T14030] sysfs_create_dir_ns+0x459/0x4c0 [ 1194.532747][T14030] ? device_release+0x2e0/0x2e0 [ 1194.537947][T14030] kobject_add_internal+0xd08/0x16a0 [ 1194.543623][T14030] kobject_add+0x28c/0x3b0 [ 1194.548412][T14030] ? kobject_put+0x1fe/0x330 [ 1194.553350][T14030] device_add+0xaa2/0x1f20 [ 1194.558100][T14030] netdev_register_kobject+0x1ec/0x520 [ 1194.563905][T14030] register_netdevice+0x138a/0x1cd0 [ 1194.569446][T14030] bond_newlink+0x98/0x140 [ 1194.574194][T14030] ? bond_validate+0x270/0x270 [ 1194.579283][T14030] rtnl_newlink+0x2d5f/0x4110 [ 1194.584307][T14030] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1194.590872][T14030] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1194.596974][T14030] ? rtnl_setlink+0x7f0/0x7f0 [ 1194.601915][T14030] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1194.607315][T14030] ? ref_tracker_free+0x45/0xc10 [ 1194.612523][T14030] ? filter_irq_stacks+0x60/0x1a0 [ 1194.617823][T14030] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1194.623936][T14030] ? filter_irq_stacks+0x164/0x1a0 [ 1194.629332][T14030] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1194.635467][T14030] netlink_rcv_skb+0x371/0x650 [ 1194.640547][T14030] ? rtnetlink_bind+0xf0/0xf0 [ 1194.645499][T14030] ? rtnetlink_net_exit+0x60/0x60 [ 1194.650793][T14030] rtnetlink_rcv+0x34/0x40 [ 1194.655476][T14030] netlink_unicast+0xf47/0x1250 [ 1194.660606][T14030] netlink_sendmsg+0x1238/0x13d0 [ 1194.665882][T14030] ? netlink_getsockopt+0x980/0x980 [ 1194.671389][T14030] ____sys_sendmsg+0x9c2/0xd60 [ 1194.676459][T14030] ___sys_sendmsg+0x28d/0x3c0 [ 1194.681433][T14030] ? __fget_files+0x580/0x640 [ 1194.686385][T14030] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1194.692497][T14030] __x64_sys_sendmsg+0x307/0x490 [ 1194.697748][T14030] do_syscall_64+0x44/0x110 [ 1194.702497][T14030] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1194.708715][T14030] RIP: 0033:0x7f449387cae9 [ 1194.713356][T14030] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1194.733243][T14030] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1194.741937][T14030] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1194.750137][T14030] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1194.758325][T14030] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1194.766531][T14030] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1194.774733][T14030] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1194.782956][T14030] [ 1194.801506][T14030] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1194.818884][T14030] bond10000000000 (unregistered): Released all slaves 02:11:37 executing program 5: openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x40, 0x0) openat$dir(0xffffffffffffff9c, &(0x7f00000002c0)='./file0\x00', 0x200, 0x0) 02:11:37 executing program 2: openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x40, 0x0) openat$dir(0xffffffffffffff9c, &(0x7f0000000280)='./file0\x00', 0x80241, 0x0) 02:11:37 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x6c00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:37 executing program 0: openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/class/dmi', 0x0, 0x0) pselect6(0x40, &(0x7f0000000080), 0x0, &(0x7f00000000c0)={0x8}, &(0x7f0000000100)={0x0, 0x3938700}, 0x0) 02:11:37 executing program 3: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/class/dmi', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='.\x00', 0x0) [ 1195.271983][T14038] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1195.289065][T14038] CPU: 0 PID: 14038 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1195.299482][T14038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1195.309812][T14038] Call Trace: [ 1195.313303][T14038] [ 1195.316437][T14038] dump_stack_lvl+0x1bf/0x240 [ 1195.321491][T14038] dump_stack+0x1e/0x20 [ 1195.326046][T14038] sysfs_create_dir_ns+0x459/0x4c0 [ 1195.331491][T14038] ? device_release+0x2e0/0x2e0 [ 1195.336682][T14038] kobject_add_internal+0xd08/0x16a0 [ 1195.342345][T14038] kobject_add+0x28c/0x3b0 [ 1195.347123][T14038] ? kobject_put+0x1fe/0x330 [ 1195.352066][T14038] device_add+0xaa2/0x1f20 [ 1195.356823][T14038] netdev_register_kobject+0x1ec/0x520 [ 1195.362630][T14038] register_netdevice+0x138a/0x1cd0 [ 1195.368191][T14038] bond_newlink+0x98/0x140 [ 1195.372974][T14038] ? bond_validate+0x270/0x270 [ 1195.378183][T14038] rtnl_newlink+0x2d5f/0x4110 [ 1195.383242][T14038] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1195.389861][T14038] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1195.396029][T14038] ? rtnl_setlink+0x7f0/0x7f0 [ 1195.401033][T14038] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1195.406510][T14038] ? ref_tracker_free+0x45/0xc10 [ 1195.411805][T14038] ? filter_irq_stacks+0x60/0x1a0 [ 1195.417183][T14038] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1195.423379][T14038] ? filter_irq_stacks+0x164/0x1a0 [ 1195.428831][T14038] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1195.435039][T14038] netlink_rcv_skb+0x371/0x650 [ 1195.440161][T14038] ? rtnetlink_bind+0xf0/0xf0 [ 1195.445181][T14038] ? rtnetlink_net_exit+0x60/0x60 [ 1195.450547][T14038] rtnetlink_rcv+0x34/0x40 [ 1195.455400][T14038] netlink_unicast+0xf47/0x1250 [ 1195.460601][T14038] netlink_sendmsg+0x1238/0x13d0 [ 1195.465925][T14038] ? netlink_getsockopt+0x980/0x980 [ 1195.471519][T14038] ____sys_sendmsg+0x9c2/0xd60 [ 1195.476673][T14038] ___sys_sendmsg+0x28d/0x3c0 [ 1195.481762][T14038] ? __fget_files+0x580/0x640 [ 1195.486772][T14038] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1195.492956][T14038] __x64_sys_sendmsg+0x307/0x490 [ 1195.498269][T14038] do_syscall_64+0x44/0x110 [ 1195.503082][T14038] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1195.509384][T14038] RIP: 0033:0x7f9a85a7cae9 [ 1195.514070][T14038] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1195.534027][T14038] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1195.542802][T14038] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1195.551131][T14038] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1195.559408][T14038] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1195.567658][T14038] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1195.575896][T14038] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1195.584171][T14038] [ 1195.601665][T14038] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1195.618309][T14038] bond10000000000 (unregistered): Released all slaves 02:11:38 executing program 5: r0 = socket(0x1, 0x3, 0x0) getsockopt$sock_int(r0, 0x1, 0x10, &(0x7f0000000040), &(0x7f0000000080)=0x4) 02:11:38 executing program 3: preadv(0xffffffffffffffff, &(0x7f0000000080)=[{&(0x7f0000000500)=""/4096, 0xed9}], 0xffffffffffffe83, 0x0, 0x0) 02:11:38 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x3fe, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:38 executing program 2: r0 = socket$caif_stream(0x25, 0x1, 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, 0x0) 02:11:38 executing program 0: get_mempolicy(0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x3) mprotect(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x7) mprotect(&(0x7f0000ff6000/0x4000)=nil, 0x4000, 0x0) 02:11:38 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x7400, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1196.257628][T14051] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1196.267377][T14051] CPU: 1 PID: 14051 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1196.277773][T14051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1196.288074][T14051] Call Trace: [ 1196.291530][T14051] [ 1196.294626][T14051] dump_stack_lvl+0x1bf/0x240 [ 1196.299631][T14051] dump_stack+0x1e/0x20 [ 1196.304094][T14051] sysfs_create_dir_ns+0x459/0x4c0 [ 1196.309508][T14051] ? device_release+0x2e0/0x2e0 [ 1196.314640][T14051] kobject_add_internal+0xd08/0x16a0 [ 1196.320241][T14051] kobject_add+0x28c/0x3b0 [ 1196.324966][T14051] ? kobject_put+0x1fe/0x330 [ 1196.329871][T14051] device_add+0xaa2/0x1f20 [ 1196.334564][T14051] netdev_register_kobject+0x1ec/0x520 [ 1196.340306][T14051] register_netdevice+0x138a/0x1cd0 [ 1196.345793][T14051] bond_newlink+0x98/0x140 [ 1196.350506][T14051] ? bond_validate+0x270/0x270 [ 1196.355553][T14051] rtnl_newlink+0x2d5f/0x4110 [ 1196.360553][T14051] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1196.367128][T14051] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1196.373292][T14051] ? rtnl_setlink+0x7f0/0x7f0 [ 1196.378273][T14051] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1196.383693][T14051] ? ref_tracker_free+0x45/0xc10 [ 1196.388900][T14051] ? filter_irq_stacks+0x60/0x1a0 [ 1196.394196][T14051] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1196.400301][T14051] ? filter_irq_stacks+0x164/0x1a0 [ 1196.405737][T14051] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1196.411912][T14051] netlink_rcv_skb+0x371/0x650 [ 1196.416977][T14051] ? rtnetlink_bind+0xf0/0xf0 [ 1196.421931][T14051] ? rtnetlink_net_exit+0x60/0x60 [ 1196.427224][T14051] rtnetlink_rcv+0x34/0x40 [ 1196.431901][T14051] netlink_unicast+0xf47/0x1250 [ 1196.437030][T14051] netlink_sendmsg+0x1238/0x13d0 [ 1196.442258][T14051] ? netlink_getsockopt+0x980/0x980 [ 1196.447731][T14051] ____sys_sendmsg+0x9c2/0xd60 [ 1196.452799][T14051] ___sys_sendmsg+0x28d/0x3c0 [ 1196.457767][T14051] ? __fget_files+0x580/0x640 [ 1196.462712][T14051] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1196.468835][T14051] __x64_sys_sendmsg+0x307/0x490 [ 1196.474083][T14051] do_syscall_64+0x44/0x110 [ 1196.478829][T14051] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1196.485035][T14051] RIP: 0033:0x7f449387cae9 [ 1196.489667][T14051] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1196.509591][T14051] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1196.518328][T14051] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1196.526530][T14051] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1196.534723][T14051] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1196.542911][T14051] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1196.551098][T14051] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1196.559350][T14051] [ 1196.568697][T14051] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1196.584738][T14051] bond10000000000 (unregistered): Released all slaves 02:11:39 executing program 0: timer_create(0x0, &(0x7f00000000c0)={0x0, 0x12, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000100)) timer_create(0x0, &(0x7f0000000200)={0x0, 0x13, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000240)=0x0) timer_settime(r0, 0x0, &(0x7f0000000340)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000540)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$FUSE_DIRENTPLUS(r1, &(0x7f0000004980)=ANY=[], 0x7dfbc4afeedf467b) tkill(0x0, 0x0) ptrace(0xffffffffffffffff, 0x0) r2 = memfd_create(&(0x7f00000043c0)='\x01\fD\xd1\x1e\x803\x00\x00\xbf\xecs \xc5\xb55nVg\x1b\xa3\x8a\xcc\xf2!PmENs\xe5\x83Uz\xc0W\xc1\xcc\x97\xd1\x8e\x81\n\xc0\xb3Ac\xfe(\x00\x13\xaeZ\x8bp\x1e\xdc\x18\xddf\xe9\xe1\t\x05R) \xa9P9(\xe1-q \xb3\x80\xb9\xdfj\xed\xc2_o\xa6\x04\xf5\x9f\x04\xf1\xd5\xe3\xfa\x01\x01=q\x93u\xf1\xde\xa2\xa9\xef\xac\x171\x13r\xc49\x80\x86\x1a\xbf\xf8H\xe8Cc\x84\xa6y\xb7\xbe\xcbX\x891\xed\a\xf9\xa6\xd8\xd0\x03\x00\x00\x00\x00\x00\x00\x00\']\by\xb5\xbcIv\xe6\xd1\xb5\xbf\xacw\xda\xed\xf0^\xd35\xeb=\xc7\x82;\xb32\b\x00\xa3\xc8\xb9\xf2\xe5\xf4\x93[\x91F\x83?\xfe\xd9\x7ffvQ\xff\xc0\x8f\xe4\xb8\xa3\xbf\xceAT\x17\xc6\x81\xc0m}O\xfd\xe0\x05$\xcd\xfdk\x7f\x00\x9bQ\xd8z\xe0\xd6\xe2\xbe\xf4\xd5\x16\x94\xe0\xbf0\xde\xcaS/\xf7\xeb\x89bmX0\x94T\x10\x9dx@\xce:]\xb68\xa2W\xcb\x86\b#s\xb4q6\xe88\x19\x1a\x14Z\xf3\xd7\x92\xe4b\xfc\xf9\xb1\xe0\xdd2\xfd\xda\x84\xbd\xaf\x88\xb3\x91P6t\xf3\xcc\x03\xb8\x9a\x043|A\f\xd4\x1a?h \x8c\x7f\x92\xb5\x98/J\xd1\x8eW\xfd\xf4o\xd4[\x90\x0e\xd7Y\xabt$\x81\x99S\xd1:\xb3\xc3\xf9\x18\x86\xd1\xeb\x13PIwg\xbe\xbb\"\xfce:\xae\xa9\xc57\xe7\xf6G\x93\xe1X\x9f\xfb\xa5\xe4$>L\xe5]\xc3\x88\xca\xb7\x8b\xfcCn\xcc7>\xa7\xf6mF\xc2\x96q\xc48\xeeP%\x89d\x942\x82r]S\x18{\xd8\xbfT\x0f\xcb\xf7\x84D\xac\x03F+Nj\xd5\x81\x10_\xcc\xc2\v\x96N\x1f\xae\xab\xf67\xf1e4v*\x8et\xd3}}\xee\xaf5\x123\x15\xa0\x05\xf4B\x9c\x127\xc42\xab\xf2\xcd\x9a\xcdu\xa9A\x9a\xd7o\xcd\xd0X.\xfa\x15(\xedY5\f\xc1\xea\xc2\x1d\x06\xe7\x1e\x8d\xc3+\xf7\xae\xc3$F\x8e\xb8\x1a\xa5zu\x91:,\xb5\x8f\b\xbcPl\xa2\xabp\xae\x13\xf2\x94\xb3:\t@\xe3\x9eT1q{\xdfc<\x8a]{\x99 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aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0, 0x0) 02:11:39 executing program 2: r0 = socket(0x1, 0x1, 0x0) sendto$packet(r0, 0x0, 0x0, 0x0, 0x0, 0x0) 02:11:39 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x500, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:39 executing program 3: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/class/dmi', 0x0, 0x0) statx(r0, &(0x7f0000000240)='.\x00', 0x0, 0x0, &(0x7f0000000280)) [ 1197.070095][T14059] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1197.079823][T14059] CPU: 1 PID: 14059 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1197.090187][T14059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1197.100459][T14059] Call Trace: [ 1197.103915][T14059] [ 1197.107018][T14059] dump_stack_lvl+0x1bf/0x240 [ 1197.112021][T14059] dump_stack+0x1e/0x20 [ 1197.116468][T14059] sysfs_create_dir_ns+0x459/0x4c0 [ 1197.121860][T14059] ? device_release+0x2e0/0x2e0 [ 1197.127021][T14059] kobject_add_internal+0xd08/0x16a0 [ 1197.132641][T14059] kobject_add+0x28c/0x3b0 [ 1197.137390][T14059] ? kobject_put+0x1fe/0x330 [ 1197.142272][T14059] device_add+0xaa2/0x1f20 [ 1197.146969][T14059] netdev_register_kobject+0x1ec/0x520 [ 1197.152712][T14059] register_netdevice+0x138a/0x1cd0 [ 1197.158208][T14059] bond_newlink+0x98/0x140 [ 1197.162925][T14059] ? bond_validate+0x270/0x270 [ 1197.167983][T14059] rtnl_newlink+0x2d5f/0x4110 [ 1197.172991][T14059] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1197.179536][T14059] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1197.185643][T14059] ? rtnl_setlink+0x7f0/0x7f0 [ 1197.190578][T14059] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1197.197410][T14059] ? ref_tracker_free+0x45/0xc10 [ 1197.204156][T14059] ? filter_irq_stacks+0x60/0x1a0 [ 1197.209462][T14059] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1197.215574][T14059] ? filter_irq_stacks+0x164/0x1a0 [ 1197.220963][T14059] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1197.227101][T14059] netlink_rcv_skb+0x371/0x650 [ 1197.232191][T14059] ? rtnetlink_bind+0xf0/0xf0 [ 1197.237151][T14059] ? rtnetlink_net_exit+0x60/0x60 [ 1197.242450][T14059] rtnetlink_rcv+0x34/0x40 [ 1197.247142][T14059] netlink_unicast+0xf47/0x1250 [ 1197.252292][T14059] netlink_sendmsg+0x1238/0x13d0 [ 1197.257518][T14059] ? netlink_getsockopt+0x980/0x980 [ 1197.262988][T14059] ____sys_sendmsg+0x9c2/0xd60 [ 1197.268052][T14059] ___sys_sendmsg+0x28d/0x3c0 [ 1197.273019][T14059] ? __fget_files+0x580/0x640 [ 1197.277960][T14059] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1197.284068][T14059] __x64_sys_sendmsg+0x307/0x490 [ 1197.289312][T14059] do_syscall_64+0x44/0x110 [ 1197.294056][T14059] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1197.300269][T14059] RIP: 0033:0x7f9a85a7cae9 [ 1197.304900][T14059] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1197.324815][T14059] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1197.333554][T14059] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1197.341768][T14059] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1197.349959][T14059] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1197.358146][T14059] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1197.366353][T14059] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1197.374573][T14059] [ 1197.386153][T14059] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1197.402264][T14059] bond10000000000 (unregistered): Released all slaves 02:11:39 executing program 5: pselect6(0x40, &(0x7f0000000080), 0x0, 0x0, &(0x7f0000000100)={0x0, 0x3938700}, 0x0) [ 1197.664663][T14068] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1197.674880][T14068] CPU: 1 PID: 14068 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1197.685275][T14068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1197.695600][T14068] Call Trace: [ 1197.699093][T14068] [ 1197.702243][T14068] dump_stack_lvl+0x1bf/0x240 [ 1197.707278][T14068] dump_stack+0x1e/0x20 [ 1197.711775][T14068] sysfs_create_dir_ns+0x459/0x4c0 [ 1197.717215][T14068] ? device_release+0x2e0/0x2e0 [ 1197.722405][T14068] kobject_add_internal+0xd08/0x16a0 [ 1197.728070][T14068] kobject_add+0x28c/0x3b0 [ 1197.732872][T14068] ? kobject_put+0x1fe/0x330 [ 1197.737794][T14068] device_add+0xaa2/0x1f20 [ 1197.742554][T14068] netdev_register_kobject+0x1ec/0x520 [ 1197.748344][T14068] register_netdevice+0x138a/0x1cd0 [ 1197.753885][T14068] bond_newlink+0x98/0x140 [ 1197.758651][T14068] ? bond_validate+0x270/0x270 [ 1197.763750][T14068] rtnl_newlink+0x2d5f/0x4110 [ 1197.768826][T14068] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1197.774989][T14068] ? rtnl_setlink+0x7f0/0x7f0 [ 1197.780074][T14068] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1197.785550][T14068] ? ref_tracker_free+0x45/0xc10 [ 1197.790818][T14068] ? filter_irq_stacks+0x60/0x1a0 [ 1197.796182][T14068] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1197.802349][T14068] ? filter_irq_stacks+0x164/0x1a0 [ 1197.807815][T14068] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1197.814001][T14068] netlink_rcv_skb+0x371/0x650 [ 1197.819142][T14068] ? rtnetlink_bind+0xf0/0xf0 [ 1197.824157][T14068] ? rtnetlink_net_exit+0x60/0x60 [ 1197.829514][T14068] rtnetlink_rcv+0x34/0x40 [ 1197.834257][T14068] netlink_unicast+0xf47/0x1250 [ 1197.839451][T14068] netlink_sendmsg+0x1238/0x13d0 [ 1197.844740][T14068] ? netlink_getsockopt+0x980/0x980 [ 1197.850257][T14068] ____sys_sendmsg+0x9c2/0xd60 [ 1197.855811][T14068] ___sys_sendmsg+0x28d/0x3c0 [ 1197.860846][T14068] ? __fget_files+0x580/0x640 [ 1197.865840][T14068] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1197.872012][T14068] __x64_sys_sendmsg+0x307/0x490 [ 1197.877310][T14068] do_syscall_64+0x44/0x110 [ 1197.882094][T14068] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1197.888379][T14068] RIP: 0033:0x7f449387cae9 [ 1197.893058][T14068] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1197.913007][T14068] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1197.921769][T14068] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1197.930027][T14068] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1197.938287][T14068] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1197.946528][T14068] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1197.954772][T14068] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1197.963029][T14068] [ 1197.972979][T14068] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1197.989137][T14068] bond10000000000 (unregistered): Released all slaves 02:11:40 executing program 2: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/class/dmi', 0x0, 0x0) unlinkat(r0, &(0x7f0000000040)='./file0/file0\x00', 0x200) 02:11:40 executing program 0: timer_create(0x0, &(0x7f00000000c0)={0x0, 0x12, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000100)) timer_create(0x0, &(0x7f0000000200)={0x0, 0x13, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000240)=0x0) timer_settime(r0, 0x0, &(0x7f0000000340)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000540)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$FUSE_DIRENTPLUS(r1, &(0x7f0000004980)=ANY=[], 0x7dfbc4afeedf467b) tkill(0x0, 0x0) ptrace(0xffffffffffffffff, 0x0) r2 = memfd_create(&(0x7f00000043c0)='\x01\fD\xd1\x1e\x803\x00\x00\xbf\xecs \xc5\xb55nVg\x1b\xa3\x8a\xcc\xf2!PmENs\xe5\x83Uz\xc0W\xc1\xcc\x97\xd1\x8e\x81\n\xc0\xb3Ac\xfe(\x00\x13\xaeZ\x8bp\x1e\xdc\x18\xddf\xe9\xe1\t\x05R) \xa9P9(\xe1-q \xb3\x80\xb9\xdfj\xed\xc2_o\xa6\x04\xf5\x9f\x04\xf1\xd5\xe3\xfa\x01\x01=q\x93u\xf1\xde\xa2\xa9\xef\xac\x171\x13r\xc49\x80\x86\x1a\xbf\xf8H\xe8Cc\x84\xa6y\xb7\xbe\xcbX\x891\xed\a\xf9\xa6\xd8\xd0\x03\x00\x00\x00\x00\x00\x00\x00\']\by\xb5\xbcIv\xe6\xd1\xb5\xbf\xacw\xda\xed\xf0^\xd35\xeb=\xc7\x82;\xb32\b\x00\xa3\xc8\xb9\xf2\xe5\xf4\x93[\x91F\x83?\xfe\xd9\x7ffvQ\xff\xc0\x8f\xe4\xb8\xa3\xbf\xceAT\x17\xc6\x81\xc0m}O\xfd\xe0\x05$\xcd\xfdk\x7f\x00\x9bQ\xd8z\xe0\xd6\xe2\xbe\xf4\xd5\x16\x94\xe0\xbf0\xde\xcaS/\xf7\xeb\x89bmX0\x94T\x10\x9dx@\xce:]\xb68\xa2W\xcb\x86\b#s\xb4q6\xe88\x19\x1a\x14Z\xf3\xd7\x92\xe4b\xfc\xf9\xb1\xe0\xdd2\xfd\xda\x84\xbd\xaf\x88\xb3\x91P6t\xf3\xcc\x03\xb8\x9a\x043|A\f\xd4\x1a?h \x8c\x7f\x92\xb5\x98/J\xd1\x8eW\xfd\xf4o\xd4[\x90\x0e\xd7Y\xabt$\x81\x99S\xd1:\xb3\xc3\xf9\x18\x86\xd1\xeb\x13PIwg\xbe\xbb\"\xfce:\xae\xa9\xc57\xe7\xf6G\x93\xe1X\x9f\xfb\xa5\xe4$>L\xe5]\xc3\x88\xca\xb7\x8b\xfcCn\xcc7>\xa7\xf6mF\xc2\x96q\xc48\xeeP%\x89d\x942\x82r]S\x18{\xd8\xbfT\x0f\xcb\xf7\x84D\xac\x03F+Nj\xd5\x81\x10_\xcc\xc2\v\x96N\x1f\xae\xab\xf67\xf1e4v*\x8et\xd3}}\xee\xaf5\x123\x15\xa0\x05\xf4B\x9c\x127\xc42\xab\xf2\xcd\x9a\xcdu\xa9A\x9a\xd7o\xcd\xd0X.\xfa\x15(\xedY5\f\xc1\xea\xc2\x1d\x06\xe7\x1e\x8d\xc3+\xf7\xae\xc3$F\x8e\xb8\x1a\xa5zu\x91:,\xb5\x8f\b\xbcPl\xa2\xabp\xae\x13\xf2\x94\xb3:\t@\xe3\x9eT1q{\xdfc<\x8a]{\x99 \x1b\x1c\x81O\x7f8\x0f\xca\x91\\\x03\xda\x12\x9a\xc9B.@\xbaM\x14/\xf7\v\xf3\xd4z!\xc6/T4TLc\x1d:q\xa4\x87\xc6\xc4\x8d\x843\x93\xd1\xdes\x04\x8c\xdfw\xfa7\xed\x02\xa3\x12\xf9\xf0z>\xdb\xea\x05q\xae\xe0k\x9eb\xc0\xd9\xed*^\xe7O\x15)\x92L\xf9\xaa\xb3\x1b\xf2\xf6\x830\x8a\xfcq\x91\xa9\x00\x96\x90\xbf5\xe5s\xa8n~\a\x00\x00\x00\x00\x00\x00\x00\x1f^Bk\x88Qu\xe6a\xe7\xc1r\xb7\x19|\xe7\x0fE\xb65Q\x01\xc3\xb8\xc1\x9auI\xff\xef\xf0k\x01W\xd7\x81\x99\x86\x99F\x9f\xd5iV7\xad{\xd1\x0e\x89\xe5\x86\xf2\xdds\xf5nX5\x1a6\xbd\x14\'\xdf\xa9J`\xb6BX\xac\xfe\x02G7\x02\xb1', 0x0) sendfile(r1, r2, 0x0, 0xec) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$FUSE_DIRENTPLUS(r3, &(0x7f0000004980)=ANY=[], 0x7dfbc4afeedf467b) waitid(0x0, 0x0, 0x0, 0x0, 0x0) r4 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/tcp6\x00') sendfile(r3, r4, 0x0, 0xec) clock_gettime(0x0, 0x0) 02:11:40 executing program 5: pselect6(0x40, &(0x7f0000000080), &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)={0x0, 0x989680}, &(0x7f00000001c0)={&(0x7f0000000180), 0x5c}) 02:11:40 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x7a00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:40 executing program 3: openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x40, 0x0) openat$dir(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x3d1001, 0x0) 02:11:40 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x600, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1198.566082][T14082] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1198.576147][T14082] CPU: 1 PID: 14082 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1198.586537][T14082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1198.596864][T14082] Call Trace: [ 1198.600333][T14082] [ 1198.603446][T14082] dump_stack_lvl+0x1bf/0x240 [ 1198.608466][T14082] dump_stack+0x1e/0x20 [ 1198.612946][T14082] sysfs_create_dir_ns+0x459/0x4c0 [ 1198.618339][T14082] ? device_release+0x2e0/0x2e0 [ 1198.623487][T14082] kobject_add_internal+0xd08/0x16a0 [ 1198.629100][T14082] kobject_add+0x28c/0x3b0 [ 1198.633827][T14082] ? kobject_put+0x1fe/0x330 [ 1198.638759][T14082] device_add+0xaa2/0x1f20 [ 1198.643461][T14082] netdev_register_kobject+0x1ec/0x520 [ 1198.649209][T14082] register_netdevice+0x138a/0x1cd0 [ 1198.654714][T14082] bond_newlink+0x98/0x140 [ 1198.659449][T14082] ? bond_validate+0x270/0x270 [ 1198.664547][T14082] rtnl_newlink+0x2d5f/0x4110 [ 1198.669564][T14082] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1198.676135][T14082] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1198.682256][T14082] ? rtnl_setlink+0x7f0/0x7f0 [ 1198.687205][T14082] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1198.692622][T14082] ? ref_tracker_free+0x45/0xc10 [ 1198.697901][T14082] ? filter_irq_stacks+0x60/0x1a0 [ 1198.703215][T14082] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1198.709331][T14082] ? filter_irq_stacks+0x164/0x1a0 [ 1198.714738][T14082] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1198.720857][T14082] netlink_rcv_skb+0x371/0x650 [ 1198.725918][T14082] ? rtnetlink_bind+0xf0/0xf0 [ 1198.730886][T14082] ? rtnetlink_net_exit+0x60/0x60 [ 1198.736182][T14082] rtnetlink_rcv+0x34/0x40 [ 1198.741052][T14082] netlink_unicast+0xf47/0x1250 [ 1198.746300][T14082] netlink_sendmsg+0x1238/0x13d0 [ 1198.751540][T14082] ? netlink_getsockopt+0x980/0x980 [ 1198.757023][T14082] ____sys_sendmsg+0x9c2/0xd60 [ 1198.762112][T14082] ___sys_sendmsg+0x28d/0x3c0 [ 1198.767117][T14082] ? __fget_files+0x580/0x640 [ 1198.772070][T14082] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1198.778184][T14082] __x64_sys_sendmsg+0x307/0x490 [ 1198.783433][T14082] do_syscall_64+0x44/0x110 [ 1198.788189][T14082] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1198.794402][T14082] RIP: 0033:0x7f9a85a7cae9 [ 1198.799044][T14082] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1198.819535][T14082] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1198.828270][T14082] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1198.836498][T14082] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1198.844697][T14082] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1198.852886][T14082] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1198.861083][T14082] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1198.869331][T14082] [ 1198.883993][T14082] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1198.899764][T14082] bond10000000000 (unregistered): Released all slaves 02:11:41 executing program 3: r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x40, 0x0) linkat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', r0, &(0x7f00000001c0)='./file0\x00', 0x0) 02:11:41 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001240)={0xffffffffffffffff, 0xffffffffffffffff}) sendto$unix(r0, 0x0, 0x0, 0x0, 0x0, 0x0) 02:11:41 executing program 5: r0 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000003440), 0x1, 0x0) fcntl$lock(r0, 0x6, 0x0) [ 1199.245705][T14089] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1199.257782][T14089] CPU: 0 PID: 14089 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1199.268168][T14089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1199.278477][T14089] Call Trace: [ 1199.281962][T14089] [ 1199.285084][T14089] dump_stack_lvl+0x1bf/0x240 [ 1199.290115][T14089] dump_stack+0x1e/0x20 [ 1199.294620][T14089] sysfs_create_dir_ns+0x459/0x4c0 [ 1199.301186][T14089] ? device_release+0x2e0/0x2e0 [ 1199.306404][T14089] kobject_add_internal+0xd08/0x16a0 [ 1199.312201][T14089] kobject_add+0x28c/0x3b0 [ 1199.316952][T14089] ? kobject_put+0x1fe/0x330 [ 1199.321850][T14089] device_add+0xaa2/0x1f20 [ 1199.326576][T14089] netdev_register_kobject+0x1ec/0x520 [ 1199.332419][T14089] register_netdevice+0x138a/0x1cd0 [ 1199.337971][T14089] bond_newlink+0x98/0x140 [ 1199.342690][T14089] ? bond_validate+0x270/0x270 [ 1199.347755][T14089] rtnl_newlink+0x2d5f/0x4110 [ 1199.352788][T14089] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1199.358914][T14089] ? rtnl_setlink+0x7f0/0x7f0 [ 1199.363859][T14089] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1199.369270][T14089] ? ref_tracker_free+0x45/0xc10 [ 1199.374511][T14089] ? filter_irq_stacks+0x60/0x1a0 [ 1199.379865][T14089] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1199.385996][T14089] ? filter_irq_stacks+0x164/0x1a0 [ 1199.391406][T14089] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1199.397607][T14089] netlink_rcv_skb+0x371/0x650 [ 1199.402673][T14089] ? rtnetlink_bind+0xf0/0xf0 [ 1199.407643][T14089] ? rtnetlink_net_exit+0x60/0x60 [ 1199.412952][T14089] rtnetlink_rcv+0x34/0x40 [ 1199.417636][T14089] netlink_unicast+0xf47/0x1250 [ 1199.422784][T14089] netlink_sendmsg+0x1238/0x13d0 [ 1199.428040][T14089] ? netlink_getsockopt+0x980/0x980 [ 1199.433519][T14089] ____sys_sendmsg+0x9c2/0xd60 [ 1199.438608][T14089] ___sys_sendmsg+0x28d/0x3c0 [ 1199.443593][T14089] ? __fget_files+0x580/0x640 [ 1199.448543][T14089] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1199.454662][T14089] __x64_sys_sendmsg+0x307/0x490 [ 1199.459908][T14089] do_syscall_64+0x44/0x110 [ 1199.464674][T14089] ? sysvec_apic_timer_interrupt+0x4d/0x90 [ 1199.470764][T14089] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1199.476998][T14089] RIP: 0033:0x7f449387cae9 [ 1199.481660][T14089] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1199.501582][T14089] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1199.510306][T14089] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1199.518515][T14089] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1199.526706][T14089] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1199.534921][T14089] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1199.543113][T14089] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1199.551330][T14089] [ 1199.565116][T14089] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1199.581843][T14089] bond10000000000 (unregistered): Released all slaves 02:11:41 executing program 3: syz_clone(0x81202040, 0x0, 0x0, 0x0, 0x0, 0x0) 02:11:42 executing program 0: timer_create(0x0, &(0x7f00000000c0)={0x0, 0x12, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000100)) timer_create(0x0, &(0x7f0000000200)={0x0, 0x13, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000240)=0x0) timer_settime(r0, 0x0, &(0x7f0000000340)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000540)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$FUSE_DIRENTPLUS(r1, &(0x7f0000004980)=ANY=[], 0x7dfbc4afeedf467b) tkill(0x0, 0x0) ptrace(0xffffffffffffffff, 0x0) r2 = memfd_create(&(0x7f00000043c0)='\x01\fD\xd1\x1e\x803\x00\x00\xbf\xecs \xc5\xb55nVg\x1b\xa3\x8a\xcc\xf2!PmENs\xe5\x83Uz\xc0W\xc1\xcc\x97\xd1\x8e\x81\n\xc0\xb3Ac\xfe(\x00\x13\xaeZ\x8bp\x1e\xdc\x18\xddf\xe9\xe1\t\x05R) \xa9P9(\xe1-q \xb3\x80\xb9\xdfj\xed\xc2_o\xa6\x04\xf5\x9f\x04\xf1\xd5\xe3\xfa\x01\x01=q\x93u\xf1\xde\xa2\xa9\xef\xac\x171\x13r\xc49\x80\x86\x1a\xbf\xf8H\xe8Cc\x84\xa6y\xb7\xbe\xcbX\x891\xed\a\xf9\xa6\xd8\xd0\x03\x00\x00\x00\x00\x00\x00\x00\']\by\xb5\xbcIv\xe6\xd1\xb5\xbf\xacw\xda\xed\xf0^\xd35\xeb=\xc7\x82;\xb32\b\x00\xa3\xc8\xb9\xf2\xe5\xf4\x93[\x91F\x83?\xfe\xd9\x7ffvQ\xff\xc0\x8f\xe4\xb8\xa3\xbf\xceAT\x17\xc6\x81\xc0m}O\xfd\xe0\x05$\xcd\xfdk\x7f\x00\x9bQ\xd8z\xe0\xd6\xe2\xbe\xf4\xd5\x16\x94\xe0\xbf0\xde\xcaS/\xf7\xeb\x89bmX0\x94T\x10\x9dx@\xce:]\xb68\xa2W\xcb\x86\b#s\xb4q6\xe88\x19\x1a\x14Z\xf3\xd7\x92\xe4b\xfc\xf9\xb1\xe0\xdd2\xfd\xda\x84\xbd\xaf\x88\xb3\x91P6t\xf3\xcc\x03\xb8\x9a\x043|A\f\xd4\x1a?h \x8c\x7f\x92\xb5\x98/J\xd1\x8eW\xfd\xf4o\xd4[\x90\x0e\xd7Y\xabt$\x81\x99S\xd1:\xb3\xc3\xf9\x18\x86\xd1\xeb\x13PIwg\xbe\xbb\"\xfce:\xae\xa9\xc57\xe7\xf6G\x93\xe1X\x9f\xfb\xa5\xe4$>L\xe5]\xc3\x88\xca\xb7\x8b\xfcCn\xcc7>\xa7\xf6mF\xc2\x96q\xc48\xeeP%\x89d\x942\x82r]S\x18{\xd8\xbfT\x0f\xcb\xf7\x84D\xac\x03F+Nj\xd5\x81\x10_\xcc\xc2\v\x96N\x1f\xae\xab\xf67\xf1e4v*\x8et\xd3}}\xee\xaf5\x123\x15\xa0\x05\xf4B\x9c\x127\xc42\xab\xf2\xcd\x9a\xcdu\xa9A\x9a\xd7o\xcd\xd0X.\xfa\x15(\xedY5\f\xc1\xea\xc2\x1d\x06\xe7\x1e\x8d\xc3+\xf7\xae\xc3$F\x8e\xb8\x1a\xa5zu\x91:,\xb5\x8f\b\xbcPl\xa2\xabp\xae\x13\xf2\x94\xb3:\t@\xe3\x9eT1q{\xdfc<\x8a]{\x99 \x1b\x1c\x81O\x7f8\x0f\xca\x91\\\x03\xda\x12\x9a\xc9B.@\xbaM\x14/\xf7\v\xf3\xd4z!\xc6/T4TLc\x1d:q\xa4\x87\xc6\xc4\x8d\x843\x93\xd1\xdes\x04\x8c\xdfw\xfa7\xed\x02\xa3\x12\xf9\xf0z>\xdb\xea\x05q\xae\xe0k\x9eb\xc0\xd9\xed*^\xe7O\x15)\x92L\xf9\xaa\xb3\x1b\xf2\xf6\x830\x8a\xfcq\x91\xa9\x00\x96\x90\xbf5\xe5s\xa8n~\a\x00\x00\x00\x00\x00\x00\x00\x1f^Bk\x88Qu\xe6a\xe7\xc1r\xb7\x19|\xe7\x0fE\xb65Q\x01\xc3\xb8\xc1\x9auI\xff\xef\xf0k\x01W\xd7\x81\x99\x86\x99F\x9f\xd5iV7\xad{\xd1\x0e\x89\xe5\x86\xf2\xdds\xf5nX5\x1a6\xbd\x14\'\xdf\xa9J`\xb6BX\xac\xfe\x02G7\x02\xb1', 0x0) sendfile(r1, r2, 0x0, 0xec) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$FUSE_DIRENTPLUS(r3, &(0x7f0000004980)=ANY=[], 0x7dfbc4afeedf467b) waitid(0x0, 0x0, 0x0, 0x0, 0x0) r4 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/tcp6\x00') sendfile(r3, r4, 0x0, 0xec) clock_gettime(0x0, 0x0) 02:11:42 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x7f00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:42 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x700, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:42 executing program 2: r0 = socket$unix(0x1, 0x5, 0x0) sendmmsg$unix(r0, &(0x7f0000006200)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) 02:11:42 executing program 5: openat$full(0xffffffffffffff9c, &(0x7f00000011c0), 0x109c00, 0x0) 02:11:42 executing program 3: syz_clone(0x81202040, 0x0, 0x0, 0x0, 0x0, &(0x7f0000008f40)) [ 1200.256102][T14107] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1200.265793][T14107] CPU: 1 PID: 14107 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1200.276185][T14107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1200.286516][T14107] Call Trace: [ 1200.290000][T14107] [ 1200.293127][T14107] dump_stack_lvl+0x1bf/0x240 [ 1200.298157][T14107] dump_stack+0x1e/0x20 [ 1200.302675][T14107] sysfs_create_dir_ns+0x459/0x4c0 [ 1200.308240][T14107] ? device_release+0x2e0/0x2e0 [ 1200.313436][T14107] kobject_add_internal+0xd08/0x16a0 [ 1200.319101][T14107] kobject_add+0x28c/0x3b0 [ 1200.323897][T14107] ? kobject_put+0x1fe/0x330 [ 1200.328811][T14107] device_add+0xaa2/0x1f20 [ 1200.333523][T14107] netdev_register_kobject+0x1ec/0x520 [ 1200.339274][T14107] register_netdevice+0x138a/0x1cd0 [ 1200.344777][T14107] bond_newlink+0x98/0x140 [ 1200.349543][T14107] ? bond_validate+0x270/0x270 [ 1200.354603][T14107] rtnl_newlink+0x2d5f/0x4110 [ 1200.359620][T14107] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1200.366193][T14107] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1200.372394][T14107] ? rtnl_setlink+0x7f0/0x7f0 [ 1200.377345][T14107] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1200.382767][T14107] ? ref_tracker_free+0x45/0xc10 [ 1200.387982][T14107] ? filter_irq_stacks+0x60/0x1a0 [ 1200.393285][T14107] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1200.399434][T14107] ? filter_irq_stacks+0x164/0x1a0 [ 1200.404878][T14107] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1200.411113][T14107] netlink_rcv_skb+0x371/0x650 [ 1200.416175][T14107] ? rtnetlink_bind+0xf0/0xf0 [ 1200.421134][T14107] ? rtnetlink_net_exit+0x60/0x60 [ 1200.426457][T14107] rtnetlink_rcv+0x34/0x40 [ 1200.431143][T14107] netlink_unicast+0xf47/0x1250 [ 1200.436281][T14107] netlink_sendmsg+0x1238/0x13d0 [ 1200.441516][T14107] ? netlink_getsockopt+0x980/0x980 [ 1200.446998][T14107] ____sys_sendmsg+0x9c2/0xd60 [ 1200.452062][T14107] ___sys_sendmsg+0x28d/0x3c0 [ 1200.457033][T14107] ? __fget_files+0x580/0x640 [ 1200.461974][T14107] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1200.468086][T14107] __x64_sys_sendmsg+0x307/0x490 [ 1200.473330][T14107] do_syscall_64+0x44/0x110 [ 1200.478073][T14107] ? sysvec_apic_timer_interrupt+0x4d/0x90 [ 1200.484169][T14107] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1200.490468][T14107] RIP: 0033:0x7f9a85a7cae9 [ 1200.495117][T14107] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1200.515015][T14107] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1200.523920][T14107] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1200.532146][T14107] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1200.540344][T14107] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1200.548542][T14107] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1200.556730][T14107] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1200.564954][T14107] [ 1200.577074][T14107] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1200.594211][T14107] bond10000000000 (unregistered): Released all slaves [ 1200.674910][T14109] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1200.685114][T14109] CPU: 0 PID: 14109 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1200.695515][T14109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1200.705833][T14109] Call Trace: [ 1200.709333][T14109] [ 1200.712482][T14109] dump_stack_lvl+0x1bf/0x240 [ 1200.717548][T14109] dump_stack+0x1e/0x20 [ 1200.722062][T14109] sysfs_create_dir_ns+0x459/0x4c0 [ 1200.727532][T14109] ? device_release+0x2e0/0x2e0 [ 1200.732702][T14109] kobject_add_internal+0xd08/0x16a0 [ 1200.738354][T14109] kobject_add+0x28c/0x3b0 [ 1200.743131][T14109] ? kobject_put+0x1fe/0x330 [ 1200.748068][T14109] device_add+0xaa2/0x1f20 [ 1200.752826][T14109] netdev_register_kobject+0x1ec/0x520 [ 1200.758630][T14109] register_netdevice+0x138a/0x1cd0 [ 1200.764178][T14109] bond_newlink+0x98/0x140 [ 1200.768988][T14109] ? bond_validate+0x270/0x270 [ 1200.774057][T14109] rtnl_newlink+0x2d5f/0x4110 [ 1200.779082][T14109] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1200.785194][T14109] ? rtnl_setlink+0x7f0/0x7f0 [ 1200.790134][T14109] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1200.795542][T14109] ? ref_tracker_free+0x45/0xc10 [ 1200.800742][T14109] ? filter_irq_stacks+0x60/0x1a0 [ 1200.806054][T14109] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1200.812225][T14109] ? filter_irq_stacks+0x164/0x1a0 [ 1200.817635][T14109] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1200.823755][T14109] netlink_rcv_skb+0x371/0x650 [ 1200.828814][T14109] ? rtnetlink_bind+0xf0/0xf0 [ 1200.833779][T14109] ? rtnetlink_net_exit+0x60/0x60 [ 1200.839075][T14109] rtnetlink_rcv+0x34/0x40 [ 1200.843760][T14109] netlink_unicast+0xf47/0x1250 [ 1200.848904][T14109] netlink_sendmsg+0x1238/0x13d0 [ 1200.854164][T14109] ? netlink_getsockopt+0x980/0x980 [ 1200.859643][T14109] ____sys_sendmsg+0x9c2/0xd60 [ 1200.864712][T14109] ___sys_sendmsg+0x28d/0x3c0 [ 1200.869683][T14109] ? __fget_files+0x580/0x640 [ 1200.874629][T14109] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1200.880742][T14109] __x64_sys_sendmsg+0x307/0x490 [ 1200.885988][T14109] do_syscall_64+0x44/0x110 [ 1200.890734][T14109] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1200.896945][T14109] RIP: 0033:0x7f449387cae9 [ 1200.901581][T14109] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1200.921473][T14109] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1200.930170][T14109] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1200.938383][T14109] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1200.946574][T14109] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1200.954783][T14109] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1200.963009][T14109] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1200.971256][T14109] [ 1200.986910][T14109] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1201.003921][T14109] bond10000000000 (unregistered): Released all slaves 02:11:43 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x8100, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:43 executing program 2: r0 = semget$private(0x0, 0x4, 0x0) semtimedop(r0, &(0x7f0000000000)=[{0x3, 0x101}, {}], 0x2, 0x0) 02:11:43 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x900, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:43 executing program 0: timer_create(0x0, &(0x7f00000000c0)={0x0, 0x12, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000100)) timer_create(0x0, &(0x7f0000000200)={0x0, 0x13, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000240)=0x0) timer_settime(r0, 0x0, &(0x7f0000000340)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000540)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$FUSE_DIRENTPLUS(r1, &(0x7f0000004980)=ANY=[], 0x7dfbc4afeedf467b) tkill(0x0, 0x0) ptrace(0xffffffffffffffff, 0x0) r2 = memfd_create(&(0x7f00000043c0)='\x01\fD\xd1\x1e\x803\x00\x00\xbf\xecs \xc5\xb55nVg\x1b\xa3\x8a\xcc\xf2!PmENs\xe5\x83Uz\xc0W\xc1\xcc\x97\xd1\x8e\x81\n\xc0\xb3Ac\xfe(\x00\x13\xaeZ\x8bp\x1e\xdc\x18\xddf\xe9\xe1\t\x05R) \xa9P9(\xe1-q \xb3\x80\xb9\xdfj\xed\xc2_o\xa6\x04\xf5\x9f\x04\xf1\xd5\xe3\xfa\x01\x01=q\x93u\xf1\xde\xa2\xa9\xef\xac\x171\x13r\xc49\x80\x86\x1a\xbf\xf8H\xe8Cc\x84\xa6y\xb7\xbe\xcbX\x891\xed\a\xf9\xa6\xd8\xd0\x03\x00\x00\x00\x00\x00\x00\x00\']\by\xb5\xbcIv\xe6\xd1\xb5\xbf\xacw\xda\xed\xf0^\xd35\xeb=\xc7\x82;\xb32\b\x00\xa3\xc8\xb9\xf2\xe5\xf4\x93[\x91F\x83?\xfe\xd9\x7ffvQ\xff\xc0\x8f\xe4\xb8\xa3\xbf\xceAT\x17\xc6\x81\xc0m}O\xfd\xe0\x05$\xcd\xfdk\x7f\x00\x9bQ\xd8z\xe0\xd6\xe2\xbe\xf4\xd5\x16\x94\xe0\xbf0\xde\xcaS/\xf7\xeb\x89bmX0\x94T\x10\x9dx@\xce:]\xb68\xa2W\xcb\x86\b#s\xb4q6\xe88\x19\x1a\x14Z\xf3\xd7\x92\xe4b\xfc\xf9\xb1\xe0\xdd2\xfd\xda\x84\xbd\xaf\x88\xb3\x91P6t\xf3\xcc\x03\xb8\x9a\x043|A\f\xd4\x1a?h \x8c\x7f\x92\xb5\x98/J\xd1\x8eW\xfd\xf4o\xd4[\x90\x0e\xd7Y\xabt$\x81\x99S\xd1:\xb3\xc3\xf9\x18\x86\xd1\xeb\x13PIwg\xbe\xbb\"\xfce:\xae\xa9\xc57\xe7\xf6G\x93\xe1X\x9f\xfb\xa5\xe4$>L\xe5]\xc3\x88\xca\xb7\x8b\xfcCn\xcc7>\xa7\xf6mF\xc2\x96q\xc48\xeeP%\x89d\x942\x82r]S\x18{\xd8\xbfT\x0f\xcb\xf7\x84D\xac\x03F+Nj\xd5\x81\x10_\xcc\xc2\v\x96N\x1f\xae\xab\xf67\xf1e4v*\x8et\xd3}}\xee\xaf5\x123\x15\xa0\x05\xf4B\x9c\x127\xc42\xab\xf2\xcd\x9a\xcdu\xa9A\x9a\xd7o\xcd\xd0X.\xfa\x15(\xedY5\f\xc1\xea\xc2\x1d\x06\xe7\x1e\x8d\xc3+\xf7\xae\xc3$F\x8e\xb8\x1a\xa5zu\x91:,\xb5\x8f\b\xbcPl\xa2\xabp\xae\x13\xf2\x94\xb3:\t@\xe3\x9eT1q{\xdfc<\x8a]{\x99 \x1b\x1c\x81O\x7f8\x0f\xca\x91\\\x03\xda\x12\x9a\xc9B.@\xbaM\x14/\xf7\v\xf3\xd4z!\xc6/T4TLc\x1d:q\xa4\x87\xc6\xc4\x8d\x843\x93\xd1\xdes\x04\x8c\xdfw\xfa7\xed\x02\xa3\x12\xf9\xf0z>\xdb\xea\x05q\xae\xe0k\x9eb\xc0\xd9\xed*^\xe7O\x15)\x92L\xf9\xaa\xb3\x1b\xf2\xf6\x830\x8a\xfcq\x91\xa9\x00\x96\x90\xbf5\xe5s\xa8n~\a\x00\x00\x00\x00\x00\x00\x00\x1f^Bk\x88Qu\xe6a\xe7\xc1r\xb7\x19|\xe7\x0fE\xb65Q\x01\xc3\xb8\xc1\x9auI\xff\xef\xf0k\x01W\xd7\x81\x99\x86\x99F\x9f\xd5iV7\xad{\xd1\x0e\x89\xe5\x86\xf2\xdds\xf5nX5\x1a6\xbd\x14\'\xdf\xa9J`\xb6BX\xac\xfe\x02G7\x02\xb1', 0x0) sendfile(r1, r2, 0x0, 0xec) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$FUSE_DIRENTPLUS(r3, &(0x7f0000004980)=ANY=[], 0x7dfbc4afeedf467b) waitid(0x0, 0x0, 0x0, 0x0, 0x0) r4 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/tcp6\x00') sendfile(r3, r4, 0x0, 0xec) clock_gettime(0x0, 0x0) [ 1201.614634][T14120] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1201.625607][T14120] CPU: 0 PID: 14120 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1201.636179][T14120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1201.646492][T14120] Call Trace: [ 1201.649983][T14120] [ 1201.653120][T14120] dump_stack_lvl+0x1bf/0x240 [ 1201.658160][T14120] dump_stack+0x1e/0x20 [ 1201.662661][T14120] sysfs_create_dir_ns+0x459/0x4c0 [ 1201.668098][T14120] ? device_release+0x2e0/0x2e0 [ 1201.673280][T14120] kobject_add_internal+0xd08/0x16a0 [ 1201.678937][T14120] kobject_add+0x28c/0x3b0 [ 1201.683720][T14120] ? kobject_put+0x1fe/0x330 [ 1201.688651][T14120] device_add+0xaa2/0x1f20 [ 1201.693402][T14120] netdev_register_kobject+0x1ec/0x520 [ 1201.699210][T14120] register_netdevice+0x138a/0x1cd0 [ 1201.704783][T14120] bond_newlink+0x98/0x140 [ 1201.709556][T14120] ? bond_validate+0x270/0x270 02:11:44 executing program 2: r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) readv(r0, &(0x7f0000001400)=[{0x0}], 0x1) [ 1201.714669][T14120] rtnl_newlink+0x2d5f/0x4110 [ 1201.719739][T14120] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1201.726360][T14120] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1201.732529][T14120] ? rtnl_setlink+0x7f0/0x7f0 [ 1201.737525][T14120] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1201.743002][T14120] ? ref_tracker_free+0x45/0xc10 [ 1201.748271][T14120] ? filter_irq_stacks+0x60/0x1a0 [ 1201.753653][T14120] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1201.759847][T14120] ? filter_irq_stacks+0x164/0x1a0 [ 1201.765306][T14120] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1201.771493][T14120] netlink_rcv_skb+0x371/0x650 [ 1201.776617][T14120] ? rtnetlink_bind+0xf0/0xf0 [ 1201.781646][T14120] ? rtnetlink_net_exit+0x60/0x60 [ 1201.787089][T14120] rtnetlink_rcv+0x34/0x40 [ 1201.791833][T14120] netlink_unicast+0xf47/0x1250 [ 1201.797029][T14120] netlink_sendmsg+0x1238/0x13d0 [ 1201.802309][T14120] ? netlink_getsockopt+0x980/0x980 [ 1201.807838][T14120] ____sys_sendmsg+0x9c2/0xd60 [ 1201.812962][T14120] ___sys_sendmsg+0x28d/0x3c0 [ 1201.818088][T14120] ? __fget_files+0x580/0x640 [ 1201.823089][T14120] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1201.829257][T14120] __x64_sys_sendmsg+0x307/0x490 [ 1201.834566][T14120] do_syscall_64+0x44/0x110 [ 1201.839376][T14120] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1201.845672][T14120] RIP: 0033:0x7f9a85a7cae9 [ 1201.850350][T14120] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1201.870252][T14120] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1201.878975][T14120] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1201.887221][T14120] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1201.895461][T14120] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1201.903663][T14120] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1201.911865][T14120] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1201.920086][T14120] [ 1201.930283][T14120] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1201.956053][T14120] bond10000000000 (unregistered): Released all slaves 02:11:44 executing program 5: mq_open(&(0x7f00000042c0)='.\x00', 0x0, 0x0, 0x0) 02:11:44 executing program 3: r0 = socket$unix(0x1, 0x5, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) write$FUSE_STATFS(r2, 0x0, 0xfffffffffffffe22) [ 1202.203389][T14126] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1202.213024][T14126] CPU: 1 PID: 14126 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1202.223435][T14126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1202.233767][T14126] Call Trace: [ 1202.237268][T14126] [ 1202.240415][T14126] dump_stack_lvl+0x1bf/0x240 [ 1202.245478][T14126] dump_stack+0x1e/0x20 [ 1202.249984][T14126] sysfs_create_dir_ns+0x459/0x4c0 [ 1202.255433][T14126] ? device_release+0x2e0/0x2e0 [ 1202.260639][T14126] kobject_add_internal+0xd08/0x16a0 [ 1202.266263][T14126] kobject_add+0x28c/0x3b0 [ 1202.270984][T14126] ? kobject_put+0x1fe/0x330 [ 1202.275868][T14126] device_add+0xaa2/0x1f20 [ 1202.280574][T14126] netdev_register_kobject+0x1ec/0x520 [ 1202.286340][T14126] register_netdevice+0x138a/0x1cd0 [ 1202.291838][T14126] bond_newlink+0x98/0x140 [ 1202.296566][T14126] ? bond_validate+0x270/0x270 [ 1202.301641][T14126] rtnl_newlink+0x2d5f/0x4110 [ 1202.306673][T14126] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1202.312792][T14126] ? rtnl_setlink+0x7f0/0x7f0 [ 1202.317740][T14126] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1202.323147][T14126] ? ref_tracker_free+0x45/0xc10 [ 1202.328353][T14126] ? filter_irq_stacks+0x60/0x1a0 [ 1202.333663][T14126] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1202.339772][T14126] ? filter_irq_stacks+0x164/0x1a0 [ 1202.345184][T14126] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1202.351342][T14126] netlink_rcv_skb+0x371/0x650 [ 1202.356408][T14126] ? rtnetlink_bind+0xf0/0xf0 [ 1202.361370][T14126] ? rtnetlink_net_exit+0x60/0x60 [ 1202.366669][T14126] rtnetlink_rcv+0x34/0x40 [ 1202.371348][T14126] netlink_unicast+0xf47/0x1250 [ 1202.376575][T14126] netlink_sendmsg+0x1238/0x13d0 [ 1202.381845][T14126] ? netlink_getsockopt+0x980/0x980 [ 1202.387357][T14126] ____sys_sendmsg+0x9c2/0xd60 [ 1202.392486][T14126] ___sys_sendmsg+0x28d/0x3c0 [ 1202.397481][T14126] ? __fget_files+0x580/0x640 [ 1202.402460][T14126] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1202.408637][T14126] __x64_sys_sendmsg+0x307/0x490 [ 1202.413905][T14126] do_syscall_64+0x44/0x110 [ 1202.418666][T14126] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1202.424890][T14126] RIP: 0033:0x7f449387cae9 [ 1202.429615][T14126] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1202.449527][T14126] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1202.458264][T14126] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1202.466474][T14126] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1202.474681][T14126] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1202.482876][T14126] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1202.491063][T14126] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1202.499285][T14126] [ 1202.511882][T14126] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1202.527929][T14126] bond10000000000 (unregistered): Released all slaves 02:11:45 executing program 5: r0 = socket$unix(0x1, 0x5, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) fcntl$lock(r2, 0x24, 0x0) 02:11:45 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x8847, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:45 executing program 2: syz_open_procfs(0xffffffffffffffff, &(0x7f0000000280)='maps\x00') 02:11:45 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0xa00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:45 executing program 3: timer_create(0x2, &(0x7f0000000000)={0x0, 0x12, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000040)) [ 1203.299883][T14145] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1203.309569][T14145] CPU: 0 PID: 14145 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1203.319967][T14145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1203.330308][T14145] Call Trace: [ 1203.333797][T14145] [ 1203.336932][T14145] dump_stack_lvl+0x1bf/0x240 [ 1203.341973][T14145] dump_stack+0x1e/0x20 [ 1203.346448][T14145] sysfs_create_dir_ns+0x459/0x4c0 [ 1203.351877][T14145] ? device_release+0x2e0/0x2e0 [ 1203.357014][T14145] kobject_add_internal+0xd08/0x16a0 [ 1203.362616][T14145] kobject_add+0x28c/0x3b0 [ 1203.367367][T14145] ? kobject_put+0x1fe/0x330 [ 1203.372280][T14145] device_add+0xaa2/0x1f20 [ 1203.376990][T14145] netdev_register_kobject+0x1ec/0x520 [ 1203.382751][T14145] register_netdevice+0x138a/0x1cd0 [ 1203.388258][T14145] bond_newlink+0x98/0x140 [ 1203.392977][T14145] ? bond_validate+0x270/0x270 [ 1203.398037][T14145] rtnl_newlink+0x2d5f/0x4110 [ 1203.403060][T14145] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1203.409620][T14145] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1203.415726][T14145] ? rtnl_setlink+0x7f0/0x7f0 [ 1203.420670][T14145] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1203.426180][T14145] ? ref_tracker_free+0x45/0xc10 [ 1203.431390][T14145] ? filter_irq_stacks+0x60/0x1a0 [ 1203.436788][T14145] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1203.442903][T14145] ? filter_irq_stacks+0x164/0x1a0 [ 1203.448423][T14145] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1203.454556][T14145] netlink_rcv_skb+0x371/0x650 [ 1203.459615][T14145] ? rtnetlink_bind+0xf0/0xf0 [ 1203.464584][T14145] ? rtnetlink_net_exit+0x60/0x60 [ 1203.469904][T14145] rtnetlink_rcv+0x34/0x40 [ 1203.474629][T14145] netlink_unicast+0xf47/0x1250 [ 1203.480116][T14145] netlink_sendmsg+0x1238/0x13d0 [ 1203.485354][T14145] ? netlink_getsockopt+0x980/0x980 [ 1203.490837][T14145] ____sys_sendmsg+0x9c2/0xd60 [ 1203.495908][T14145] ___sys_sendmsg+0x28d/0x3c0 [ 1203.500882][T14145] ? __fget_files+0x580/0x640 [ 1203.505852][T14145] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1203.511988][T14145] __x64_sys_sendmsg+0x307/0x490 [ 1203.517239][T14145] do_syscall_64+0x44/0x110 [ 1203.521987][T14145] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1203.528203][T14145] RIP: 0033:0x7f9a85a7cae9 [ 1203.532866][T14145] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1203.552792][T14145] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1203.561503][T14145] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1203.569712][T14145] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1203.577913][T14145] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1203.586124][T14145] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1203.594319][T14145] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1203.602554][T14145] [ 1203.617353][T14145] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1203.633739][T14145] bond10000000000 (unregistered): Released all slaves [ 1203.685605][T14149] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1203.695786][T14149] CPU: 0 PID: 14149 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1203.706198][T14149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1203.716516][T14149] Call Trace: [ 1203.720022][T14149] [ 1203.723165][T14149] dump_stack_lvl+0x1bf/0x240 [ 1203.728232][T14149] dump_stack+0x1e/0x20 [ 1203.732717][T14149] sysfs_create_dir_ns+0x459/0x4c0 [ 1203.738144][T14149] ? device_release+0x2e0/0x2e0 [ 1203.743332][T14149] kobject_add_internal+0xd08/0x16a0 [ 1203.748984][T14149] kobject_add+0x28c/0x3b0 [ 1203.753878][T14149] ? kobject_put+0x1fe/0x330 [ 1203.758871][T14149] device_add+0xaa2/0x1f20 [ 1203.763730][T14149] netdev_register_kobject+0x1ec/0x520 [ 1203.769616][T14149] register_netdevice+0x138a/0x1cd0 [ 1203.775193][T14149] bond_newlink+0x98/0x140 [ 1203.779957][T14149] ? bond_validate+0x270/0x270 [ 1203.785085][T14149] rtnl_newlink+0x2d5f/0x4110 [ 1203.790171][T14149] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1203.796336][T14149] ? rtnl_setlink+0x7f0/0x7f0 [ 1203.801332][T14149] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1203.806812][T14149] ? ref_tracker_free+0x45/0xc10 [ 1203.812089][T14149] ? filter_irq_stacks+0x60/0x1a0 [ 1203.817472][T14149] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1203.823673][T14149] ? filter_irq_stacks+0x164/0x1a0 [ 1203.829148][T14149] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1203.835354][T14149] netlink_rcv_skb+0x371/0x650 [ 1203.840483][T14149] ? rtnetlink_bind+0xf0/0xf0 [ 1203.845523][T14149] ? rtnetlink_net_exit+0x60/0x60 [ 1203.850880][T14149] rtnetlink_rcv+0x34/0x40 [ 1203.855634][T14149] netlink_unicast+0xf47/0x1250 [ 1203.860816][T14149] netlink_sendmsg+0x1238/0x13d0 [ 1203.866113][T14149] ? netlink_getsockopt+0x980/0x980 [ 1203.871644][T14149] ____sys_sendmsg+0x9c2/0xd60 [ 1203.876778][T14149] ___sys_sendmsg+0x28d/0x3c0 [ 1203.881818][T14149] ? __fget_files+0x580/0x640 02:11:46 executing program 5: openat$sysfs(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/system', 0x40840, 0x0) 02:11:46 executing program 0: r0 = socket$unix(0x1, 0x5, 0x0) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000003440), 0x1, 0x0) sendmmsg$unix(r0, &(0x7f0000006200)=[{{&(0x7f0000000080)=@file={0x0, './file0\x00'}, 0x6e, 0x0, 0x0, &(0x7f0000003700)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff}}}], 0x20}}], 0x1, 0x0) write$FUSE_STATFS(0xffffffffffffffff, 0x0, 0x0) 02:11:46 executing program 2: syz_open_procfs(0x0, &(0x7f0000000200)='status\x00') [ 1203.886838][T14149] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1203.893038][T14149] __x64_sys_sendmsg+0x307/0x490 [ 1203.898364][T14149] do_syscall_64+0x44/0x110 [ 1203.903178][T14149] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1203.909455][T14149] RIP: 0033:0x7f449387cae9 [ 1203.914152][T14149] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1203.934116][T14149] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1203.942872][T14149] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1203.951142][T14149] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1203.959485][T14149] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1203.967740][T14149] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1203.975982][T14149] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1203.984250][T14149] [ 1203.995640][T14149] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1204.014566][T14149] bond10000000000 (unregistered): Released all slaves 02:11:46 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x8848, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1204.334679][T14153] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1204.346417][T14153] CPU: 0 PID: 14153 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1204.356825][T14153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1204.367186][T14153] Call Trace: [ 1204.370687][T14153] [ 1204.373840][T14153] dump_stack_lvl+0x1bf/0x240 [ 1204.378902][T14153] dump_stack+0x1e/0x20 [ 1204.383424][T14153] sysfs_create_dir_ns+0x459/0x4c0 [ 1204.388864][T14153] ? device_release+0x2e0/0x2e0 [ 1204.394062][T14153] kobject_add_internal+0xd08/0x16a0 [ 1204.399727][T14153] kobject_add+0x28c/0x3b0 [ 1204.404526][T14153] ? kobject_put+0x1fe/0x330 [ 1204.409741][T14153] device_add+0xaa2/0x1f20 [ 1204.414523][T14153] netdev_register_kobject+0x1ec/0x520 [ 1204.420353][T14153] register_netdevice+0x138a/0x1cd0 [ 1204.425937][T14153] bond_newlink+0x98/0x140 [ 1204.430725][T14153] ? bond_validate+0x270/0x270 [ 1204.435853][T14153] rtnl_newlink+0x2d5f/0x4110 [ 1204.440971][T14153] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1204.447608][T14153] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1204.453785][T14153] ? rtnl_setlink+0x7f0/0x7f0 [ 1204.458793][T14153] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1204.464366][T14153] ? ref_tracker_free+0x45/0xc10 [ 1204.469731][T14153] ? filter_irq_stacks+0x60/0x1a0 [ 1204.475106][T14153] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 02:11:46 executing program 0: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = dup(r0) utimensat(r1, 0x0, &(0x7f0000000280)={{0x0, 0xea60}, {0x0, 0x2710}}, 0x0) [ 1204.481375][T14153] ? filter_irq_stacks+0x164/0x1a0 [ 1204.486859][T14153] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1204.493061][T14153] netlink_rcv_skb+0x371/0x650 [ 1204.498185][T14153] ? rtnetlink_bind+0xf0/0xf0 [ 1204.503213][T14153] ? rtnetlink_net_exit+0x60/0x60 [ 1204.508584][T14153] rtnetlink_rcv+0x34/0x40 [ 1204.513383][T14153] netlink_unicast+0xf47/0x1250 [ 1204.518599][T14153] netlink_sendmsg+0x1238/0x13d0 [ 1204.523910][T14153] ? netlink_getsockopt+0x980/0x980 [ 1204.529461][T14153] ____sys_sendmsg+0x9c2/0xd60 [ 1204.534655][T14153] ___sys_sendmsg+0x28d/0x3c0 [ 1204.539705][T14153] ? __fget_files+0x580/0x640 [ 1204.544712][T14153] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1204.550901][T14153] __x64_sys_sendmsg+0x307/0x490 [ 1204.556240][T14153] do_syscall_64+0x44/0x110 [ 1204.561065][T14153] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1204.567346][T14153] RIP: 0033:0x7f9a85a7cae9 02:11:47 executing program 5: r0 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000003440), 0x1, 0x0) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x6}) [ 1204.572033][T14153] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1204.591999][T14153] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1204.600857][T14153] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1204.609137][T14153] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1204.618559][T14153] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1204.626757][T14153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1204.635038][T14153] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1204.643274][T14153] [ 1204.656536][T14153] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1204.672920][T14153] bond10000000000 (unregistered): Released all slaves 02:11:47 executing program 3: r0 = shmget(0x0, 0x1000, 0x0, &(0x7f0000ffd000/0x1000)=nil) shmctl$SHM_STAT(r0, 0xd, &(0x7f0000000000)=""/80) 02:11:47 executing program 2: mq_open(&(0x7f0000000800)='[\x00', 0x0, 0x0, &(0x7f0000000840)) 02:11:47 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0xb00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:47 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0xff7f, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1205.140473][T14170] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1205.150140][T14170] CPU: 0 PID: 14170 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1205.160525][T14170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1205.170809][T14170] Call Trace: [ 1205.174266][T14170] [ 1205.177373][T14170] dump_stack_lvl+0x1bf/0x240 [ 1205.182391][T14170] dump_stack+0x1e/0x20 [ 1205.186858][T14170] sysfs_create_dir_ns+0x459/0x4c0 [ 1205.192256][T14170] ? device_release+0x2e0/0x2e0 [ 1205.197402][T14170] kobject_add_internal+0xd08/0x16a0 [ 1205.203019][T14170] kobject_add+0x28c/0x3b0 [ 1205.207754][T14170] ? kobject_put+0x1fe/0x330 [ 1205.212663][T14170] device_add+0xaa2/0x1f20 [ 1205.217399][T14170] netdev_register_kobject+0x1ec/0x520 [ 1205.223178][T14170] register_netdevice+0x138a/0x1cd0 [ 1205.228707][T14170] bond_newlink+0x98/0x140 [ 1205.233429][T14170] ? bond_validate+0x270/0x270 [ 1205.238505][T14170] rtnl_newlink+0x2d5f/0x4110 [ 1205.243535][T14170] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1205.250107][T14170] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1205.256218][T14170] ? rtnl_setlink+0x7f0/0x7f0 [ 1205.261168][T14170] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1205.266588][T14170] ? ref_tracker_free+0x45/0xc10 [ 1205.271803][T14170] ? filter_irq_stacks+0x60/0x1a0 [ 1205.277118][T14170] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1205.283239][T14170] ? filter_irq_stacks+0x164/0x1a0 [ 1205.288644][T14170] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1205.294762][T14170] netlink_rcv_skb+0x371/0x650 [ 1205.299821][T14170] ? rtnetlink_bind+0xf0/0xf0 [ 1205.304784][T14170] ? rtnetlink_net_exit+0x60/0x60 [ 1205.310097][T14170] rtnetlink_rcv+0x34/0x40 [ 1205.314800][T14170] netlink_unicast+0xf47/0x1250 [ 1205.319982][T14170] netlink_sendmsg+0x1238/0x13d0 [ 1205.325249][T14170] ? netlink_getsockopt+0x980/0x980 [ 1205.330746][T14170] ____sys_sendmsg+0x9c2/0xd60 [ 1205.335827][T14170] ___sys_sendmsg+0x28d/0x3c0 [ 1205.340805][T14170] ? __fget_files+0x580/0x640 [ 1205.345782][T14170] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1205.351907][T14170] __x64_sys_sendmsg+0x307/0x490 [ 1205.357163][T14170] do_syscall_64+0x44/0x110 [ 1205.361919][T14170] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1205.368155][T14170] RIP: 0033:0x7f449387cae9 [ 1205.372809][T14170] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1205.392711][T14170] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1205.401429][T14170] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1205.409642][T14170] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1205.417851][T14170] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1205.426079][T14170] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1205.434275][T14170] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1205.442498][T14170] [ 1205.459184][T14170] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1205.475931][T14170] bond10000000000 (unregistered): Released all slaves 02:11:48 executing program 2: r0 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000003440), 0x1, 0x0) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x4}) 02:11:48 executing program 3: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = dup(r0) utimensat(r1, &(0x7f0000000100)='./file0\x00', 0x0, 0x0) 02:11:48 executing program 5: openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/fs/cgroup', 0x101, 0x0) 02:11:48 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0xc00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:48 executing program 0: r0 = socket$unix(0x1, 0x5, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) read$FUSE(r2, 0x0, 0x0) [ 1205.972312][T14176] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1205.982217][T14176] CPU: 0 PID: 14176 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1205.992618][T14176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1206.002933][T14176] Call Trace: [ 1206.006419][T14176] [ 1206.009557][T14176] dump_stack_lvl+0x1bf/0x240 [ 1206.014609][T14176] dump_stack+0x1e/0x20 [ 1206.019112][T14176] sysfs_create_dir_ns+0x459/0x4c0 [ 1206.024544][T14176] ? device_release+0x2e0/0x2e0 [ 1206.029734][T14176] kobject_add_internal+0xd08/0x16a0 [ 1206.035409][T14176] kobject_add+0x28c/0x3b0 [ 1206.040191][T14176] ? kobject_put+0x1fe/0x330 [ 1206.045135][T14176] device_add+0xaa2/0x1f20 [ 1206.049905][T14176] netdev_register_kobject+0x1ec/0x520 [ 1206.055737][T14176] register_netdevice+0x138a/0x1cd0 [ 1206.061316][T14176] bond_newlink+0x98/0x140 [ 1206.066122][T14176] ? bond_validate+0x270/0x270 [ 1206.071239][T14176] rtnl_newlink+0x2d5f/0x4110 [ 1206.076307][T14176] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1206.082933][T14176] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1206.089133][T14176] ? rtnl_setlink+0x7f0/0x7f0 [ 1206.094135][T14176] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1206.099614][T14176] ? ref_tracker_free+0x45/0xc10 [ 1206.104901][T14176] ? filter_irq_stacks+0x60/0x1a0 [ 1206.110267][T14176] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1206.116458][T14176] ? filter_irq_stacks+0x164/0x1a0 [ 1206.121934][T14176] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1206.128120][T14176] netlink_rcv_skb+0x371/0x650 [ 1206.133248][T14176] ? rtnetlink_bind+0xf0/0xf0 [ 1206.138268][T14176] ? rtnetlink_net_exit+0x60/0x60 [ 1206.143639][T14176] rtnetlink_rcv+0x34/0x40 [ 1206.148392][T14176] netlink_unicast+0xf47/0x1250 [ 1206.153580][T14176] netlink_sendmsg+0x1238/0x13d0 [ 1206.158898][T14176] ? netlink_getsockopt+0x980/0x980 [ 1206.164442][T14176] ____sys_sendmsg+0x9c2/0xd60 [ 1206.169577][T14176] ___sys_sendmsg+0x28d/0x3c0 [ 1206.174611][T14176] ? __fget_files+0x580/0x640 [ 1206.179616][T14176] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1206.185817][T14176] __x64_sys_sendmsg+0x307/0x490 [ 1206.191140][T14176] do_syscall_64+0x44/0x110 [ 1206.195944][T14176] ? sysvec_call_function_single+0x4a/0x90 [ 1206.202088][T14176] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1206.208376][T14176] RIP: 0033:0x7f9a85a7cae9 [ 1206.213068][T14176] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1206.233110][T14176] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1206.241879][T14176] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1206.250161][T14176] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1206.258413][T14176] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1206.266665][T14176] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1206.274941][T14176] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1206.283208][T14176] [ 1206.298999][T14176] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1206.315614][T14176] bond10000000000 (unregistered): Released all slaves 02:11:48 executing program 3: r0 = socket$inet6_udp(0xa, 0x2, 0x0) fgetxattr(r0, &(0x7f0000000000)=@random={'security.', '\x9e@m/\x00'}, 0x0, 0x0) 02:11:48 executing program 2: r0 = shmget(0x0, 0x2000, 0x0, &(0x7f0000ffb000/0x2000)=nil) shmctl$IPC_STAT(r0, 0x2, &(0x7f0000000000)=""/10) 02:11:48 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) getsockopt$inet6_mreq(r0, 0x29, 0x1a, &(0x7f0000000280), &(0x7f00000002c0)=0x14) [ 1206.588773][T14183] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1206.600076][T14183] CPU: 1 PID: 14183 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1206.610483][T14183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1206.620837][T14183] Call Trace: [ 1206.624319][T14183] [ 1206.627462][T14183] dump_stack_lvl+0x1bf/0x240 [ 1206.632508][T14183] dump_stack+0x1e/0x20 [ 1206.636978][T14183] sysfs_create_dir_ns+0x459/0x4c0 [ 1206.642366][T14183] ? device_release+0x2e0/0x2e0 [ 1206.647542][T14183] kobject_add_internal+0xd08/0x16a0 [ 1206.653189][T14183] kobject_add+0x28c/0x3b0 [ 1206.657948][T14183] ? kobject_put+0x1fe/0x330 [ 1206.662842][T14183] device_add+0xaa2/0x1f20 [ 1206.667547][T14183] netdev_register_kobject+0x1ec/0x520 [ 1206.673293][T14183] register_netdevice+0x138a/0x1cd0 [ 1206.678799][T14183] bond_newlink+0x98/0x140 [ 1206.683520][T14183] ? bond_validate+0x270/0x270 [ 1206.688585][T14183] rtnl_newlink+0x2d5f/0x4110 [ 1206.693614][T14183] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1206.699738][T14183] ? rtnl_setlink+0x7f0/0x7f0 [ 1206.704693][T14183] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1206.710214][T14183] ? ref_tracker_free+0x45/0xc10 [ 1206.715437][T14183] ? filter_irq_stacks+0x60/0x1a0 [ 1206.720755][T14183] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1206.726881][T14183] ? filter_irq_stacks+0x164/0x1a0 [ 1206.732282][T14183] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1206.738409][T14183] netlink_rcv_skb+0x371/0x650 [ 1206.743463][T14183] ? rtnetlink_bind+0xf0/0xf0 [ 1206.748440][T14183] ? rtnetlink_net_exit+0x60/0x60 [ 1206.753770][T14183] rtnetlink_rcv+0x34/0x40 [ 1206.758467][T14183] netlink_unicast+0xf47/0x1250 [ 1206.763695][T14183] netlink_sendmsg+0x1238/0x13d0 [ 1206.768935][T14183] ? netlink_getsockopt+0x980/0x980 [ 1206.774424][T14183] ____sys_sendmsg+0x9c2/0xd60 [ 1206.779491][T14183] ___sys_sendmsg+0x28d/0x3c0 [ 1206.784467][T14183] ? __fget_files+0x580/0x640 [ 1206.789415][T14183] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1206.795525][T14183] __x64_sys_sendmsg+0x307/0x490 [ 1206.800789][T14183] do_syscall_64+0x44/0x110 [ 1206.805541][T14183] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1206.811753][T14183] RIP: 0033:0x7f449387cae9 [ 1206.816390][T14183] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1206.836622][T14183] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1206.845341][T14183] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1206.853568][T14183] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1206.861875][T14183] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1206.870077][T14183] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1206.878268][T14183] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1206.886491][T14183] [ 1206.896435][T14183] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1206.912591][T14183] bond10000000000 (unregistered): Released all slaves 02:11:49 executing program 2: openat$tun(0xffffffffffffff9c, &(0x7f0000001600), 0x2440, 0x0) 02:11:49 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0xd00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:49 executing program 0: socket$unix(0x1, 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f00000019c0)) socket$unix(0x1, 0x1, 0x0) syz_clone(0x81202040, 0x0, 0x0, 0x0, 0x0, &(0x7f0000008f40)="b1") read$FUSE(0xffffffffffffffff, 0x0, 0x0) 02:11:49 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x100000, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:49 executing program 3: openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual', 0x0, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000001600), 0x2440, 0x0) 02:11:49 executing program 2: r0 = socket$unix(0x1, 0x5, 0x0) sendmmsg$unix(r0, &(0x7f0000006200)=[{{0x0, 0x0, &(0x7f00000013c0)=[{0x0}, {0x0}], 0x2, &(0x7f0000003700)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff}}}], 0x20}}], 0x1, 0x0) [ 1207.658759][T14200] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1207.674324][T14200] CPU: 1 PID: 14200 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1207.684739][T14200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1207.695066][T14200] Call Trace: [ 1207.698549][T14200] [ 1207.701692][T14200] dump_stack_lvl+0x1bf/0x240 [ 1207.706757][T14200] dump_stack+0x1e/0x20 [ 1207.711287][T14200] sysfs_create_dir_ns+0x459/0x4c0 [ 1207.716750][T14200] ? device_release+0x2e0/0x2e0 [ 1207.721948][T14200] kobject_add_internal+0xd08/0x16a0 [ 1207.727613][T14200] kobject_add+0x28c/0x3b0 [ 1207.732416][T14200] ? kobject_put+0x1fe/0x330 [ 1207.737354][T14200] device_add+0xaa2/0x1f20 [ 1207.742107][T14200] netdev_register_kobject+0x1ec/0x520 [ 1207.747996][T14200] register_netdevice+0x138a/0x1cd0 [ 1207.753537][T14200] bond_newlink+0x98/0x140 [ 1207.758309][T14200] ? bond_validate+0x270/0x270 [ 1207.763441][T14200] rtnl_newlink+0x2d5f/0x4110 [ 1207.768531][T14200] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1207.775139][T14200] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1207.781323][T14200] ? rtnl_setlink+0x7f0/0x7f0 [ 1207.786328][T14200] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1207.791795][T14200] ? ref_tracker_free+0x45/0xc10 [ 1207.797056][T14200] ? filter_irq_stacks+0x60/0x1a0 [ 1207.802415][T14200] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1207.808594][T14200] ? filter_irq_stacks+0x164/0x1a0 [ 1207.814048][T14200] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1207.820231][T14200] netlink_rcv_skb+0x371/0x650 [ 1207.825363][T14200] ? rtnetlink_bind+0xf0/0xf0 [ 1207.830401][T14200] ? rtnetlink_net_exit+0x60/0x60 [ 1207.835775][T14200] rtnetlink_rcv+0x34/0x40 [ 1207.840515][T14200] netlink_unicast+0xf47/0x1250 [ 1207.845734][T14200] netlink_sendmsg+0x1238/0x13d0 [ 1207.851033][T14200] ? netlink_getsockopt+0x980/0x980 [ 1207.856572][T14200] ____sys_sendmsg+0x9c2/0xd60 [ 1207.861701][T14200] ___sys_sendmsg+0x28d/0x3c0 [ 1207.866745][T14200] ? __fget_files+0x580/0x640 [ 1207.871835][T14200] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1207.878084][T14200] __x64_sys_sendmsg+0x307/0x490 [ 1207.883409][T14200] do_syscall_64+0x44/0x110 [ 1207.888203][T14200] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1207.894472][T14200] RIP: 0033:0x7f449387cae9 [ 1207.899150][T14200] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1207.919119][T14200] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1207.927991][T14200] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1207.936265][T14200] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1207.944506][T14200] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1207.952754][T14200] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1207.961004][T14200] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1207.969278][T14200] [ 1207.980047][T14200] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1207.996186][T14200] bond10000000000 (unregistered): Released all slaves 02:11:50 executing program 5: r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='auxv\x00') sendmsg$netlink(r0, 0x0, 0x0) 02:11:50 executing program 2: syz_open_procfs$namespace(0x0, &(0x7f0000006140)='ns/mnt\x00') [ 1208.229555][T14204] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1208.239920][T14204] CPU: 0 PID: 14204 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1208.250403][T14204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1208.260763][T14204] Call Trace: [ 1208.264250][T14204] [ 1208.267517][T14204] dump_stack_lvl+0x1bf/0x240 [ 1208.272597][T14204] dump_stack+0x1e/0x20 [ 1208.277107][T14204] sysfs_create_dir_ns+0x459/0x4c0 [ 1208.282619][T14204] ? device_release+0x2e0/0x2e0 [ 1208.287842][T14204] kobject_add_internal+0xd08/0x16a0 [ 1208.293525][T14204] kobject_add+0x28c/0x3b0 [ 1208.298347][T14204] ? kobject_put+0x1fe/0x330 [ 1208.303312][T14204] device_add+0xaa2/0x1f20 [ 1208.308084][T14204] netdev_register_kobject+0x1ec/0x520 [ 1208.313987][T14204] register_netdevice+0x138a/0x1cd0 [ 1208.319548][T14204] bond_newlink+0x98/0x140 [ 1208.324337][T14204] ? bond_validate+0x270/0x270 [ 1208.329458][T14204] rtnl_newlink+0x2d5f/0x4110 [ 1208.334648][T14204] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1208.340857][T14204] ? rtnl_setlink+0x7f0/0x7f0 [ 1208.345952][T14204] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1208.351428][T14204] ? ref_tracker_free+0x45/0xc10 [ 1208.356695][T14204] ? filter_irq_stacks+0x60/0x1a0 [ 1208.362064][T14204] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1208.368353][T14204] ? filter_irq_stacks+0x164/0x1a0 [ 1208.373858][T14204] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 02:11:50 executing program 3: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/fs/cgroup', 0x0, 0x0) faccessat2(r0, &(0x7f0000001200)='./file0\x00', 0x0, 0x0) [ 1208.380063][T14204] netlink_rcv_skb+0x371/0x650 [ 1208.385183][T14204] ? rtnetlink_bind+0xf0/0xf0 [ 1208.390207][T14204] ? rtnetlink_net_exit+0x60/0x60 [ 1208.395591][T14204] rtnetlink_rcv+0x34/0x40 [ 1208.400361][T14204] netlink_unicast+0xf47/0x1250 [ 1208.405626][T14204] netlink_sendmsg+0x1238/0x13d0 [ 1208.410938][T14204] ? netlink_getsockopt+0x980/0x980 [ 1208.416675][T14204] ____sys_sendmsg+0x9c2/0xd60 [ 1208.421829][T14204] ___sys_sendmsg+0x28d/0x3c0 [ 1208.426892][T14204] ? __fget_files+0x580/0x640 [ 1208.431862][T14204] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1208.438066][T14204] __x64_sys_sendmsg+0x307/0x490 [ 1208.443341][T14204] do_syscall_64+0x44/0x110 [ 1208.448113][T14204] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1208.454442][T14204] RIP: 0033:0x7f9a85a7cae9 [ 1208.459140][T14204] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1208.479063][T14204] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1208.487793][T14204] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1208.496021][T14204] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1208.504214][T14204] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1208.512405][T14204] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1208.520730][T14204] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1208.529008][T14204] [ 1208.544562][T14204] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1208.561201][T14204] bond10000000000 (unregistered): Released all slaves 02:11:51 executing program 0: r0 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) 02:11:51 executing program 5: r0 = socket$unix(0x1, 0x5, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) read$FUSE(r1, 0x0, 0x0) 02:11:51 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0xe00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:51 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x1000000, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:51 executing program 0: r0 = openat$fuse(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) read$FUSE(r0, 0x0, 0x0) [ 1209.062935][T14223] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1209.072353][T14223] CPU: 0 PID: 14223 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1209.082735][T14223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1209.093024][T14223] Call Trace: [ 1209.096475][T14223] [ 1209.099569][T14223] dump_stack_lvl+0x1bf/0x240 [ 1209.104580][T14223] dump_stack+0x1e/0x20 [ 1209.109102][T14223] sysfs_create_dir_ns+0x459/0x4c0 [ 1209.114495][T14223] ? device_release+0x2e0/0x2e0 [ 1209.119667][T14223] kobject_add_internal+0xd08/0x16a0 [ 1209.125267][T14223] kobject_add+0x28c/0x3b0 [ 1209.129991][T14223] ? kobject_put+0x1fe/0x330 [ 1209.134879][T14223] device_add+0xaa2/0x1f20 [ 1209.139589][T14223] netdev_register_kobject+0x1ec/0x520 [ 1209.145357][T14223] register_netdevice+0x138a/0x1cd0 [ 1209.150865][T14223] bond_newlink+0x98/0x140 [ 1209.155626][T14223] ? bond_validate+0x270/0x270 [ 1209.160689][T14223] rtnl_newlink+0x2d5f/0x4110 [ 1209.165703][T14223] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1209.172259][T14223] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1209.178382][T14223] ? rtnl_setlink+0x7f0/0x7f0 [ 1209.183417][T14223] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1209.188834][T14223] ? ref_tracker_free+0x45/0xc10 [ 1209.194050][T14223] ? filter_irq_stacks+0x60/0x1a0 [ 1209.199371][T14223] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1209.205514][T14223] ? filter_irq_stacks+0x164/0x1a0 [ 1209.210949][T14223] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1209.217077][T14223] netlink_rcv_skb+0x371/0x650 [ 1209.222582][T14223] ? rtnetlink_bind+0xf0/0xf0 [ 1209.227553][T14223] ? rtnetlink_net_exit+0x60/0x60 [ 1209.232854][T14223] rtnetlink_rcv+0x34/0x40 [ 1209.237552][T14223] netlink_unicast+0xf47/0x1250 [ 1209.242701][T14223] netlink_sendmsg+0x1238/0x13d0 [ 1209.247948][T14223] ? netlink_getsockopt+0x980/0x980 [ 1209.253435][T14223] ____sys_sendmsg+0x9c2/0xd60 [ 1209.258505][T14223] ___sys_sendmsg+0x28d/0x3c0 [ 1209.263473][T14223] ? __fget_files+0x580/0x640 [ 1209.268421][T14223] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1209.274560][T14223] __x64_sys_sendmsg+0x307/0x490 [ 1209.279847][T14223] do_syscall_64+0x44/0x110 [ 1209.284594][T14223] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1209.290831][T14223] RIP: 0033:0x7f449387cae9 [ 1209.295468][T14223] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1209.315364][T14223] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1209.324061][T14223] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1209.332271][T14223] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1209.340455][T14223] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1209.348669][T14223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1209.356876][T14223] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1209.365112][T14223] [ 1209.380423][T14223] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1209.397434][T14223] bond10000000000 (unregistered): Released all slaves 02:11:51 executing program 2: r0 = socket$unix(0x1, 0x5, 0x0) connect$unix(r0, &(0x7f0000000000)=@abs, 0x6e) 02:11:51 executing program 3: r0 = socket$unix(0x1, 0x5, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) faccessat2(r2, &(0x7f00000020c0)='./file0\x00', 0x0, 0x0) 02:11:52 executing program 5: socket(0x1, 0x0, 0x5) [ 1209.825205][T14230] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1209.836271][T14230] CPU: 0 PID: 14230 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1209.846657][T14230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1209.856987][T14230] Call Trace: [ 1209.860495][T14230] [ 1209.863642][T14230] dump_stack_lvl+0x1bf/0x240 [ 1209.868688][T14230] dump_stack+0x1e/0x20 [ 1209.873173][T14230] sysfs_create_dir_ns+0x459/0x4c0 [ 1209.878600][T14230] ? device_release+0x2e0/0x2e0 [ 1209.883771][T14230] kobject_add_internal+0xd08/0x16a0 [ 1209.889432][T14230] kobject_add+0x28c/0x3b0 [ 1209.894196][T14230] ? kobject_put+0x1fe/0x330 [ 1209.899120][T14230] device_add+0xaa2/0x1f20 [ 1209.903871][T14230] netdev_register_kobject+0x1ec/0x520 [ 1209.909665][T14230] register_netdevice+0x138a/0x1cd0 [ 1209.915208][T14230] bond_newlink+0x98/0x140 [ 1209.919970][T14230] ? bond_validate+0x270/0x270 [ 1209.925078][T14230] rtnl_newlink+0x2d5f/0x4110 [ 1209.930143][T14230] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1209.936767][T14230] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1209.942957][T14230] ? rtnl_setlink+0x7f0/0x7f0 [ 1209.947957][T14230] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1209.953423][T14230] ? ref_tracker_free+0x45/0xc10 [ 1209.958678][T14230] ? filter_irq_stacks+0x60/0x1a0 [ 1209.964048][T14230] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1209.970174][T14230] ? filter_irq_stacks+0x164/0x1a0 [ 1209.975574][T14230] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1209.981686][T14230] netlink_rcv_skb+0x371/0x650 [ 1209.986749][T14230] ? rtnetlink_bind+0xf0/0xf0 [ 1209.991710][T14230] ? rtnetlink_net_exit+0x60/0x60 [ 1209.997018][T14230] rtnetlink_rcv+0x34/0x40 [ 1210.001708][T14230] netlink_unicast+0xf47/0x1250 [ 1210.006853][T14230] netlink_sendmsg+0x1238/0x13d0 [ 1210.012099][T14230] ? netlink_getsockopt+0x980/0x980 [ 1210.017589][T14230] ____sys_sendmsg+0x9c2/0xd60 [ 1210.022679][T14230] ___sys_sendmsg+0x28d/0x3c0 [ 1210.027681][T14230] ? __fget_files+0x580/0x640 [ 1210.032626][T14230] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1210.038789][T14230] __x64_sys_sendmsg+0x307/0x490 [ 1210.044065][T14230] do_syscall_64+0x44/0x110 [ 1210.048824][T14230] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1210.055040][T14230] RIP: 0033:0x7f9a85a7cae9 [ 1210.059681][T14230] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1210.079567][T14230] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1210.088263][T14230] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1210.096463][T14230] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1210.104671][T14230] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1210.112862][T14230] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1210.121043][T14230] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1210.129269][T14230] [ 1210.133770][T14230] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1210.156519][T14230] bond10000000000 (unregistered): Released all slaves 02:11:52 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0xf00, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:52 executing program 2: faccessat2(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0, 0x0) 02:11:52 executing program 3: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/class/dmi', 0x0, 0x0) mknodat(r0, &(0x7f0000000000)='./file0\x00', 0x0, 0x0) 02:11:52 executing program 0: r0 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000003440), 0x1, 0x0) fcntl$getflags(r0, 0x1) [ 1210.574766][T14241] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1210.584881][T14241] CPU: 0 PID: 14241 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1210.595284][T14241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1210.605600][T14241] Call Trace: [ 1210.609083][T14241] [ 1210.612226][T14241] dump_stack_lvl+0x1bf/0x240 [ 1210.617290][T14241] dump_stack+0x1e/0x20 [ 1210.621800][T14241] sysfs_create_dir_ns+0x459/0x4c0 [ 1210.627276][T14241] ? device_release+0x2e0/0x2e0 [ 1210.632405][T14241] kobject_add_internal+0xd08/0x16a0 [ 1210.638044][T14241] kobject_add+0x28c/0x3b0 [ 1210.642809][T14241] ? kobject_put+0x1fe/0x330 [ 1210.647718][T14241] device_add+0xaa2/0x1f20 [ 1210.652446][T14241] netdev_register_kobject+0x1ec/0x520 [ 1210.658191][T14241] register_netdevice+0x138a/0x1cd0 [ 1210.663682][T14241] bond_newlink+0x98/0x140 [ 1210.668395][T14241] ? bond_validate+0x270/0x270 [ 1210.673438][T14241] rtnl_newlink+0x2d5f/0x4110 [ 1210.678441][T14241] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1210.684997][T14241] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1210.691090][T14241] ? rtnl_setlink+0x7f0/0x7f0 [ 1210.696029][T14241] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1210.701432][T14241] ? ref_tracker_free+0x45/0xc10 [ 1210.706638][T14241] ? filter_irq_stacks+0x60/0x1a0 [ 1210.711942][T14241] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1210.718046][T14241] ? filter_irq_stacks+0x164/0x1a0 [ 1210.723435][T14241] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1210.729548][T14241] netlink_rcv_skb+0x371/0x650 [ 1210.734601][T14241] ? rtnetlink_bind+0xf0/0xf0 [ 1210.739575][T14241] ? rtnetlink_net_exit+0x60/0x60 [ 1210.744901][T14241] rtnetlink_rcv+0x34/0x40 [ 1210.749603][T14241] netlink_unicast+0xf47/0x1250 [ 1210.754754][T14241] netlink_sendmsg+0x1238/0x13d0 [ 1210.759999][T14241] ? netlink_getsockopt+0x980/0x980 [ 1210.765482][T14241] ____sys_sendmsg+0x9c2/0xd60 [ 1210.770550][T14241] ___sys_sendmsg+0x28d/0x3c0 [ 1210.775524][T14241] ? __fget_files+0x580/0x640 [ 1210.780486][T14241] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1210.786597][T14241] __x64_sys_sendmsg+0x307/0x490 [ 1210.791836][T14241] do_syscall_64+0x44/0x110 [ 1210.796591][T14241] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1210.802808][T14241] RIP: 0033:0x7f449387cae9 [ 1210.807445][T14241] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1210.827329][T14241] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1210.836030][T14241] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1210.844250][T14241] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1210.852462][T14241] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1210.860657][T14241] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:11:53 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x2000000, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1210.868846][T14241] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1210.877068][T14241] [ 1210.889449][T14241] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1210.905760][T14241] bond10000000000 (unregistered): Released all slaves 02:11:53 executing program 5: syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000002540)='ns/ipc\x00') 02:11:53 executing program 2: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) ftruncate(0xffffffffffffffff, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote}, 0x1c) r1 = syz_open_procfs(0x0, &(0x7f0000000100)='status\x00') sendfile(r0, r1, 0x0, 0x100000001) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x989680}}, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$notify(0xffffffffffffffff, 0x402, 0x8) ioctl$TIOCGPTPEER(r1, 0x5441, 0x1) clock_gettime(0x0, &(0x7f0000000540)) connect$inet6(r2, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote}, 0x1c) r3 = syz_open_procfs(0x0, &(0x7f0000000100)='mounts\x00') sendfile(r2, r3, 0x0, 0x100000001) r4 = memfd_create(&(0x7f00000000c0)='\x01\fD\xd1\x1e\x803\x00\x00\xbf\xecs \xc5\xb55nVg\x1b\xa3\x8a\xcc\xf2!PmENs\xe5\x83Uz\xc0W\xc1\xcc\x97\xd1\x8e\x81\n\xc0\xb3Ac\xfe(\x00\x13\xaeZ\x8bp\x1e\xdc\x18\xddf\xe9\xe1\t\bR) \xa9P9(\xe1-q \xb3\x80\xb9\xdfj\xed\xc2_o\xa6\x04\xf5\x9f\x04\xf1\xd5\xe3\xfa\xfd\x16=q\x93u\xf1\xde\xa2\xa9\xef\xac\x171\x13r\xc49\x80\x86\x1a\xbf\xf8H\xe8Cc\x84\xa6y\xb7\xbe\xcbX\x891\xed\a\xf9\xa6\xd8\xd0\x03\x00\x00\x00\x00\x00\x00\x00\']\by\xb5\xbcIv\xe6\xd1\xb5\xbf\xacw\xda\xed\xf0^\xd35\xeb=\xc7\x82;\xb32;\xc5\xa3\xc8\xb9\xf2\xe5\xf4\x93[\x91F\x83?\xfe\xd9\x7ffvQ\xff\xc0\x8f\xe4\xb8\xa3\xbf\xceAT\x17\xc6\x81\xc0m}O\xfd\xe0\x05$\xcd\xfdk\x7f\x00\x9bQ\xd8z\xe0\xd6\xe2\xbe\xf4\xd5\x16\x94\xe0\xbf0\xde\xcaS/\xf7\xeb\x89bmX0\x94T\x10\x9dx@\xce:]\xb68\xa2W\xcb\x86\b#s\xb4q6\xe88\x19\x1a\x14Z\xf3\xd7\x92\xe4b\xfc\xf9\xb1\xe0\xdd2\xfd\xda\x84\xbd\xaf\x88\xb3\x91P6t\xf3\xcc\x03\xb8\x9a\x043|A\f\xd4\x1a?h \f\x7f\x92\xb5\x98/J\xd1\x8eW\xfd\xf4o\xd4[\x90\x0e\xd7Y\xabt$\x81\x99S\xd1:\xb3\xc3\xf9\x18\x86\xd1\xeb\x13PIwg\xbe\xbb\"\xfce:\xae\xa9\xc57\xe7\xf6G\x93\xe1X\x9f\xfb\xa5\xe4$>L\xe5]\xc3\x88\xca\xb7\x8b\xfcCn\xcc7>\xa7\xf6mF\xc2\x96q\xc48\xeeP%\x89d\x942\x84r]S\x18{\xd8\xbfT\x0f\xcb\xf7\x84D\xac\x03F+Nj\xd5\x81\x10_\xcc\xc2\v\x96N\x1f\xae\xab\xf67\xf1e4v*\x8et\xd3}}\xee\xaf5\x123\x15\xa0\x05\xf4B\x9c\x127\xc42\xab\xf2\xcd\x9a\xcdu\xa9A\x9a\xd7o\xcd\xd0X.\xfa\x15(\xedY5', 0x0) mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x200000a, 0x11, r4, 0x0) accept$inet(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @loopback}, &(0x7f0000000080)=0x10) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(0xffffffffffffffff, 0x40182103, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000000980)={0x0, [], 0x0, "cb2ae83b653ef3"}) dup3(r4, r2, 0x0) 02:11:53 executing program 3: r0 = socket$unix(0x1, 0x5, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) getsockname$packet(r2, &(0x7f0000001040)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000001080)=0xfffffffffffffea2) 02:11:54 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x1100, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1211.609389][T14255] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1211.619795][T14255] CPU: 0 PID: 14255 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1211.630191][T14255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1211.640501][T14255] Call Trace: [ 1211.643952][T14255] [ 1211.647049][T14255] dump_stack_lvl+0x1bf/0x240 [ 1211.652071][T14255] dump_stack+0x1e/0x20 [ 1211.656559][T14255] sysfs_create_dir_ns+0x459/0x4c0 [ 1211.661977][T14255] ? device_release+0x2e0/0x2e0 [ 1211.667142][T14255] kobject_add_internal+0xd08/0x16a0 [ 1211.672741][T14255] kobject_add+0x28c/0x3b0 [ 1211.677474][T14255] ? kobject_put+0x1fe/0x330 [ 1211.682339][T14255] device_add+0xaa2/0x1f20 [ 1211.687041][T14255] netdev_register_kobject+0x1ec/0x520 [ 1211.692790][T14255] register_netdevice+0x138a/0x1cd0 [ 1211.698293][T14255] bond_newlink+0x98/0x140 [ 1211.703013][T14255] ? bond_validate+0x270/0x270 [ 1211.708063][T14255] rtnl_newlink+0x2d5f/0x4110 [ 1211.713070][T14255] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1211.719613][T14255] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1211.725705][T14255] ? rtnl_setlink+0x7f0/0x7f0 [ 1211.730652][T14255] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1211.736062][T14255] ? ref_tracker_free+0x45/0xc10 [ 1211.741267][T14255] ? filter_irq_stacks+0x60/0x1a0 [ 1211.746570][T14255] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1211.752675][T14255] ? filter_irq_stacks+0x164/0x1a0 [ 1211.758077][T14255] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1211.764198][T14255] netlink_rcv_skb+0x371/0x650 [ 1211.769278][T14255] ? rtnetlink_bind+0xf0/0xf0 [ 1211.774231][T14255] ? rtnetlink_net_exit+0x60/0x60 [ 1211.779527][T14255] rtnetlink_rcv+0x34/0x40 [ 1211.784209][T14255] netlink_unicast+0xf47/0x1250 [ 1211.789336][T14255] netlink_sendmsg+0x1238/0x13d0 [ 1211.794561][T14255] ? netlink_getsockopt+0x980/0x980 [ 1211.800035][T14255] ____sys_sendmsg+0x9c2/0xd60 [ 1211.805111][T14255] ___sys_sendmsg+0x28d/0x3c0 [ 1211.810074][T14255] ? __fget_files+0x580/0x640 [ 1211.815012][T14255] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1211.821119][T14255] __x64_sys_sendmsg+0x307/0x490 [ 1211.826356][T14255] do_syscall_64+0x44/0x110 [ 1211.831091][T14255] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1211.837301][T14255] RIP: 0033:0x7f9a85a7cae9 [ 1211.841936][T14255] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1211.861815][T14255] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1211.870518][T14255] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1211.878730][T14255] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1211.886921][T14255] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1211.895121][T14255] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1211.903305][T14255] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1211.911518][T14255] [ 1211.924481][T14255] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1211.941074][T14255] bond10000000000 (unregistered): Released all slaves 02:11:54 executing program 5: r0 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000340), 0x1, 0x0) prctl$PR_SET_MM_EXE_FILE(0x23, 0xd, r0) accept(0xffffffffffffffff, 0x0, 0x0) 02:11:54 executing program 0: r0 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000003440), 0x1, 0x0) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) ppoll(&(0x7f0000000040)=[{r0, 0x3f3fdcd2548bc21f}, {r1}], 0x2, 0x0, 0x0, 0x0) 02:11:54 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL80211_CMD_START_NAN(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x73}, 0x0) [ 1212.502500][T14265] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1212.512119][T14265] CPU: 1 PID: 14265 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1212.522512][T14265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1212.532824][T14265] Call Trace: [ 1212.536304][T14265] [ 1212.539443][T14265] dump_stack_lvl+0x1bf/0x240 [ 1212.544489][T14265] dump_stack+0x1e/0x20 [ 1212.548982][T14265] sysfs_create_dir_ns+0x459/0x4c0 [ 1212.554416][T14265] ? device_release+0x2e0/0x2e0 [ 1212.559581][T14265] kobject_add_internal+0xd08/0x16a0 [ 1212.565228][T14265] kobject_add+0x28c/0x3b0 [ 1212.570002][T14265] ? kobject_put+0x1fe/0x330 [ 1212.574927][T14265] device_add+0xaa2/0x1f20 [ 1212.579667][T14265] netdev_register_kobject+0x1ec/0x520 [ 1212.585472][T14265] register_netdevice+0x138a/0x1cd0 [ 1212.591021][T14265] bond_newlink+0x98/0x140 [ 1212.595775][T14265] ? bond_validate+0x270/0x270 [ 1212.600900][T14265] rtnl_newlink+0x2d5f/0x4110 [ 1212.605965][T14265] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1212.612583][T14265] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1212.618751][T14265] ? rtnl_setlink+0x7f0/0x7f0 [ 1212.623749][T14265] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1212.629211][T14265] ? ref_tracker_free+0x45/0xc10 [ 1212.634483][T14265] ? filter_irq_stacks+0x60/0x1a0 [ 1212.639839][T14265] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1212.646010][T14265] ? filter_irq_stacks+0x164/0x1a0 [ 1212.651474][T14265] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1212.657653][T14265] netlink_rcv_skb+0x371/0x650 [ 1212.662764][T14265] ? rtnetlink_bind+0xf0/0xf0 [ 1212.667773][T14265] ? rtnetlink_net_exit+0x60/0x60 [ 1212.673131][T14265] rtnetlink_rcv+0x34/0x40 [ 1212.677876][T14265] netlink_unicast+0xf47/0x1250 [ 1212.683069][T14265] netlink_sendmsg+0x1238/0x13d0 [ 1212.688349][T14265] ? netlink_getsockopt+0x980/0x980 [ 1212.693877][T14265] ____sys_sendmsg+0x9c2/0xd60 [ 1212.699007][T14265] ___sys_sendmsg+0x28d/0x3c0 [ 1212.704046][T14265] ? __fget_files+0x580/0x640 [ 1212.709044][T14265] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1212.715216][T14265] __x64_sys_sendmsg+0x307/0x490 [ 1212.720537][T14265] do_syscall_64+0x44/0x110 [ 1212.725354][T14265] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1212.731640][T14265] RIP: 0033:0x7f449387cae9 [ 1212.736335][T14265] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1212.756284][T14265] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1212.765085][T14265] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1212.773354][T14265] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1212.781596][T14265] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1212.789843][T14265] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 02:11:55 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000e40), 0xffffffffffffffff) sendmsg$NL80211_CMD_NEW_KEY(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x30, r1, 0x1, 0x0, 0x0, {{}, {@val={0x8}, @val={0xc}}}, [@NL80211_ATTR_KEY_TYPE={0x8}]}, 0x30}}, 0x0) 02:11:55 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000e40), 0xffffffffffffffff) sendmsg$NL80211_CMD_DEAUTHENTICATE(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000600)={0x24, r1, 0x1, 0x0, 0x0, {{}, {@void, @val={0xc}}}, [@NL80211_ATTR_IE={0x4}]}, 0x24}}, 0x0) [ 1212.798057][T14265] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1212.806286][T14265] [ 1212.817747][T14265] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1212.833987][T14265] bond10000000000 (unregistered): Released all slaves 02:11:55 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x3000000, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:55 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(r0, &(0x7f00000025c0)={0x0, 0x0, 0x0}, 0x0) 02:11:55 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x1160, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) 02:11:55 executing program 5: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000f40), 0x0, 0x0) ioctl$UI_SET_KEYBIT(r0, 0x40045565, 0x0) [ 1213.544587][T14276] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1213.554696][T14276] CPU: 1 PID: 14276 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1213.565083][T14276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1213.575409][T14276] Call Trace: [ 1213.578892][T14276] [ 1213.582023][T14276] dump_stack_lvl+0x1bf/0x240 [ 1213.587036][T14276] dump_stack+0x1e/0x20 [ 1213.591482][T14276] sysfs_create_dir_ns+0x459/0x4c0 [ 1213.596868][T14276] ? device_release+0x2e0/0x2e0 [ 1213.602016][T14276] kobject_add_internal+0xd08/0x16a0 [ 1213.607661][T14276] kobject_add+0x28c/0x3b0 [ 1213.612417][T14276] ? kobject_put+0x1fe/0x330 [ 1213.617323][T14276] device_add+0xaa2/0x1f20 [ 1213.622034][T14276] netdev_register_kobject+0x1ec/0x520 [ 1213.627892][T14276] register_netdevice+0x138a/0x1cd0 [ 1213.633407][T14276] bond_newlink+0x98/0x140 [ 1213.638130][T14276] ? bond_validate+0x270/0x270 [ 1213.643199][T14276] rtnl_newlink+0x2d5f/0x4110 [ 1213.648210][T14276] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1213.654753][T14276] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1213.660859][T14276] ? rtnl_setlink+0x7f0/0x7f0 [ 1213.665797][T14276] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1213.671201][T14276] ? ref_tracker_free+0x45/0xc10 [ 1213.676401][T14276] ? filter_irq_stacks+0x60/0x1a0 [ 1213.681701][T14276] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1213.687806][T14276] ? filter_irq_stacks+0x164/0x1a0 [ 1213.693201][T14276] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1213.699305][T14276] netlink_rcv_skb+0x371/0x650 [ 1213.704368][T14276] ? rtnetlink_bind+0xf0/0xf0 [ 1213.709360][T14276] ? rtnetlink_net_exit+0x60/0x60 [ 1213.714689][T14276] rtnetlink_rcv+0x34/0x40 [ 1213.719374][T14276] netlink_unicast+0xf47/0x1250 [ 1213.724520][T14276] netlink_sendmsg+0x1238/0x13d0 [ 1213.729761][T14276] ? netlink_getsockopt+0x980/0x980 [ 1213.735237][T14276] ____sys_sendmsg+0x9c2/0xd60 [ 1213.740298][T14276] ___sys_sendmsg+0x28d/0x3c0 [ 1213.745264][T14276] ? __fget_files+0x580/0x640 [ 1213.750206][T14276] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1213.756314][T14276] __x64_sys_sendmsg+0x307/0x490 [ 1213.761556][T14276] do_syscall_64+0x44/0x110 [ 1213.766308][T14276] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1213.772521][T14276] RIP: 0033:0x7f9a85a7cae9 [ 1213.777162][T14276] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1213.797041][T14276] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1213.805734][T14276] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1213.813953][T14276] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1213.822189][T14276] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1213.830388][T14276] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1213.838572][T14276] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1213.846786][T14276] [ 1213.858441][T14276] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1213.874563][T14276] bond10000000000 (unregistered): Released all slaves [ 1214.057816][T14280] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1214.067348][T14280] CPU: 0 PID: 14280 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1214.077751][T14280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1214.088072][T14280] Call Trace: [ 1214.091564][T14280] [ 1214.094706][T14280] dump_stack_lvl+0x1bf/0x240 [ 1214.099763][T14280] dump_stack+0x1e/0x20 [ 1214.104256][T14280] sysfs_create_dir_ns+0x459/0x4c0 [ 1214.109693][T14280] ? device_release+0x2e0/0x2e0 [ 1214.115148][T14280] kobject_add_internal+0xd08/0x16a0 [ 1214.120813][T14280] kobject_add+0x28c/0x3b0 [ 1214.125586][T14280] ? kobject_put+0x1fe/0x330 [ 1214.130545][T14280] device_add+0xaa2/0x1f20 [ 1214.135314][T14280] netdev_register_kobject+0x1ec/0x520 [ 1214.141121][T14280] register_netdevice+0x138a/0x1cd0 [ 1214.146682][T14280] bond_newlink+0x98/0x140 [ 1214.151455][T14280] ? bond_validate+0x270/0x270 [ 1214.156568][T14280] rtnl_newlink+0x2d5f/0x4110 [ 1214.161677][T14280] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1214.167845][T14280] ? rtnl_setlink+0x7f0/0x7f0 [ 1214.172824][T14280] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1214.178287][T14280] ? ref_tracker_free+0x45/0xc10 [ 1214.183538][T14280] ? filter_irq_stacks+0x60/0x1a0 [ 1214.188893][T14280] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1214.195066][T14280] ? filter_irq_stacks+0x164/0x1a0 [ 1214.200523][T14280] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1214.206709][T14280] netlink_rcv_skb+0x371/0x650 [ 1214.211813][T14280] ? rtnetlink_bind+0xf0/0xf0 [ 1214.216821][T14280] ? rtnetlink_net_exit+0x60/0x60 [ 1214.222172][T14280] rtnetlink_rcv+0x34/0x40 [ 1214.226910][T14280] netlink_unicast+0xf47/0x1250 [ 1214.232115][T14280] netlink_sendmsg+0x1238/0x13d0 [ 1214.237406][T14280] ? netlink_getsockopt+0x980/0x980 [ 1214.242937][T14280] ____sys_sendmsg+0x9c2/0xd60 [ 1214.248047][T14280] ___sys_sendmsg+0x28d/0x3c0 [ 1214.253100][T14280] ? __fget_files+0x580/0x640 [ 1214.258102][T14280] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1214.264285][T14280] __x64_sys_sendmsg+0x307/0x490 [ 1214.269689][T14280] do_syscall_64+0x44/0x110 [ 1214.274501][T14280] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1214.280794][T14280] RIP: 0033:0x7f449387cae9 [ 1214.285480][T14280] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1214.305428][T14280] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1214.314194][T14280] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1214.322451][T14280] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1214.330699][T14280] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1214.338960][T14280] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1214.347162][T14280] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1214.355387][T14280] [ 1214.367932][T14280] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1214.384387][T14280] bond10000000000 (unregistered): Released all slaves 02:11:57 executing program 2: r0 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) read$FUSE(r0, &(0x7f0000006140)={0x2020, 0x0, 0x0, 0x0}, 0x2020) setresuid(r1, 0x0, 0x0) setresuid(0xffffffffffffffff, 0x0, r1) 02:11:57 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NL80211_CMD_GET_SURVEY(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x1, 0x0, 0x0, {{0x7e}, {@void, @void}}}, 0x14}}, 0x0) 02:11:57 executing program 3: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000003a40)="84") process_vm_writev(r0, &(0x7f00000000c0)=[{&(0x7f0000004a40)=""/87, 0x57}, {&(0x7f0000004ac0)=""/126, 0x7e}], 0x2, &(0x7f0000005000)=[{&(0x7f0000004b40)=""/40, 0x28}, {&(0x7f0000004b80)=""/86, 0x56}, {0x0}, {&(0x7f0000004c40)=""/247, 0xf7}, {0x0}, {0x0}, {0x0}, {0x0}, {&(0x7f0000004f00)=""/224, 0xe0}], 0x9, 0x0) 02:11:57 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL80211_CMD_START_NAN(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, 0x0, 0x0, 0x0, 0x0, {{}, {@void, @void}}, [@NL80211_ATTR_NAN_MASTER_PREF={0x5}]}, 0xf}}, 0x0) 02:11:57 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x4000000, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 02:11:57 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x1200, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}]}, 0x3c}}, 0x0) [ 1214.874738][T14289] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1214.884406][T14289] CPU: 1 PID: 14289 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1214.894806][T14289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1214.905131][T14289] Call Trace: [ 1214.908627][T14289] [ 1214.911765][T14289] dump_stack_lvl+0x1bf/0x240 [ 1214.916822][T14289] dump_stack+0x1e/0x20 [ 1214.921344][T14289] sysfs_create_dir_ns+0x459/0x4c0 [ 1214.926798][T14289] ? device_release+0x2e0/0x2e0 [ 1214.932000][T14289] kobject_add_internal+0xd08/0x16a0 [ 1214.937675][T14289] kobject_add+0x28c/0x3b0 [ 1214.942445][T14289] ? kobject_put+0x1fe/0x330 [ 1214.947385][T14289] device_add+0xaa2/0x1f20 [ 1214.952147][T14289] netdev_register_kobject+0x1ec/0x520 [ 1214.957962][T14289] register_netdevice+0x138a/0x1cd0 [ 1214.963524][T14289] bond_newlink+0x98/0x140 [ 1214.968411][T14289] ? bond_validate+0x270/0x270 [ 1214.973538][T14289] rtnl_newlink+0x2d5f/0x4110 [ 1214.978603][T14289] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 1214.985227][T14289] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1214.991403][T14289] ? rtnl_setlink+0x7f0/0x7f0 [ 1214.996505][T14289] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1215.001976][T14289] ? ref_tracker_free+0x45/0xc10 [ 1215.007226][T14289] ? filter_irq_stacks+0x60/0x1a0 [ 1215.012599][T14289] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1215.018764][T14289] ? filter_irq_stacks+0x164/0x1a0 [ 1215.024231][T14289] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1215.030424][T14289] netlink_rcv_skb+0x371/0x650 [ 1215.035595][T14289] ? rtnetlink_bind+0xf0/0xf0 [ 1215.040626][T14289] ? rtnetlink_net_exit+0x60/0x60 [ 1215.045987][T14289] rtnetlink_rcv+0x34/0x40 [ 1215.050767][T14289] netlink_unicast+0xf47/0x1250 [ 1215.055976][T14289] netlink_sendmsg+0x1238/0x13d0 [ 1215.061282][T14289] ? netlink_getsockopt+0x980/0x980 [ 1215.066821][T14289] ____sys_sendmsg+0x9c2/0xd60 [ 1215.071950][T14289] ___sys_sendmsg+0x28d/0x3c0 [ 1215.076979][T14289] ? __fget_files+0x580/0x640 [ 1215.082003][T14289] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1215.088197][T14289] __x64_sys_sendmsg+0x307/0x490 [ 1215.093506][T14289] do_syscall_64+0x44/0x110 [ 1215.098318][T14289] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1215.104600][T14289] RIP: 0033:0x7f9a85a7cae9 [ 1215.109276][T14289] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1215.129222][T14289] RSP: 002b:00007f9a867630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1215.137982][T14289] RAX: ffffffffffffffda RBX: 00007f9a85b9bf80 RCX: 00007f9a85a7cae9 [ 1215.146246][T14289] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1215.154490][T14289] RBP: 00007f9a85ac847a R08: 0000000000000000 R09: 0000000000000000 [ 1215.162733][T14289] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1215.170979][T14289] R13: 000000000000000b R14: 00007f9a85b9bf80 R15: 00007f9a85cbfa48 [ 1215.179255][T14289] [ 1215.191748][T14289] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1215.208198][T14289] bond10000000000 (unregistered): Released all slaves 02:11:57 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000e40), 0xffffffffffffffff) sendmsg$NL80211_CMD_START_NAN(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r1, 0x481, 0x0, 0x0, {{}, {@void, @void}}, [@NL80211_ATTR_NAN_MASTER_PREF={0x4}]}, 0x1c}}, 0x0) 02:11:57 executing program 2: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001e40)={0x6, 0x0, 0x0, 0x0}, 0x90) 02:11:57 executing program 2: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000002340), 0x0, 0x0) ioctl$RTC_WKALM_RD(r0, 0x40049409, &(0x7f0000000040)) 02:11:57 executing program 0: openat$rtc(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$vcsu(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r0, &(0x7f0000000440)={0x28, 0x0, 0x0, @local}, 0x10) 02:11:58 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=@newlink={0x44, 0x10, 0x705, 0x0, 0x5000000, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_TLB_DYNAMIC_LB={0x5}]}}}]}, 0x44}}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 1215.725259][T14298] sysfs: cannot create duplicate filename '/devices/virtual/net/bond10000000000' [ 1215.735010][T14298] CPU: 1 PID: 14298 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 [ 1215.745365][T14298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1215.755634][T14298] Call Trace: [ 1215.759093][T14298] [ 1215.762211][T14298] dump_stack_lvl+0x1bf/0x240 [ 1215.767247][T14298] dump_stack+0x1e/0x20 [ 1215.771689][T14298] sysfs_create_dir_ns+0x459/0x4c0 [ 1215.777067][T14298] ? device_release+0x2e0/0x2e0 [ 1215.782194][T14298] kobject_add_internal+0xd08/0x16a0 [ 1215.787787][T14298] kobject_add+0x28c/0x3b0 [ 1215.792501][T14298] ? kobject_put+0x1fe/0x330 [ 1215.797386][T14298] device_add+0xaa2/0x1f20 [ 1215.802097][T14298] netdev_register_kobject+0x1ec/0x520 [ 1215.807842][T14298] register_netdevice+0x138a/0x1cd0 [ 1215.813336][T14298] bond_newlink+0x98/0x140 [ 1215.818047][T14298] ? bond_validate+0x270/0x270 [ 1215.823099][T14298] rtnl_newlink+0x2d5f/0x4110 [ 1215.828122][T14298] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1215.834240][T14298] ? rtnl_setlink+0x7f0/0x7f0 [ 1215.839171][T14298] rtnetlink_rcv_msg+0x16a6/0x1840 [ 1215.844577][T14298] ? ref_tracker_free+0x45/0xc10 [ 1215.849777][T14298] ? filter_irq_stacks+0x60/0x1a0 [ 1215.855161][T14298] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1215.861283][T14298] ? filter_irq_stacks+0x164/0x1a0 [ 1215.866718][T14298] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1215.872829][T14298] netlink_rcv_skb+0x371/0x650 [ 1215.877901][T14298] ? rtnetlink_bind+0xf0/0xf0 [ 1215.882865][T14298] ? rtnetlink_net_exit+0x60/0x60 [ 1215.888152][T14298] rtnetlink_rcv+0x34/0x40 [ 1215.892844][T14298] netlink_unicast+0xf47/0x1250 [ 1215.897995][T14298] netlink_sendmsg+0x1238/0x13d0 [ 1215.903231][T14298] ? netlink_getsockopt+0x980/0x980 [ 1215.908714][T14298] ____sys_sendmsg+0x9c2/0xd60 [ 1215.913783][T14298] ___sys_sendmsg+0x28d/0x3c0 [ 1215.918756][T14298] ? __fget_files+0x580/0x640 [ 1215.923701][T14298] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 1215.929818][T14298] __x64_sys_sendmsg+0x307/0x490 [ 1215.935064][T14298] do_syscall_64+0x44/0x110 [ 1215.939811][T14298] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1215.946047][T14298] RIP: 0033:0x7f449387cae9 [ 1215.950690][T14298] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1215.970601][T14298] RSP: 002b:00007f44946560c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1215.979313][T14298] RAX: ffffffffffffffda RBX: 00007f449399bf80 RCX: 00007f449387cae9 [ 1215.987554][T14298] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1215.995751][T14298] RBP: 00007f44938c847a R08: 0000000000000000 R09: 0000000000000000 [ 1216.003945][T14298] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1216.012143][T14298] R13: 000000000000000b R14: 00007f449399bf80 R15: 00007f4493abfa48 [ 1216.020360][T14298] [ 1216.032399][T14298] kobject: kobject_add_internal failed for bond10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1216.048448][T14298] bond10000000000 (unregistered): Released all slaves [ 1216.144476][ T5088] =====================================================