[ 470.608715][ T59] hsr_slave_0: left promiscuous mode [ 470.625819][ T59] hsr_slave_1: left promiscuous mode [ 470.639289][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 470.653459][ T59] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 470.672273][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 470.680359][ T59] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 470.690902][ T59] batadv1: left allmulticast mode [ 470.704529][ T59] batadv1: left promiscuous mode [ 470.709813][ T59] bridge0: port 3(batadv1) entered disabled state [ 470.738618][ T59] bridge_slave_1: left allmulticast mode [ 470.754499][ T59] bridge_slave_1: left promiscuous mode [ 470.760385][ T59] bridge0: port 2(bridge_slave_1) entered disabled state [ 470.777440][ T59] bridge_slave_0: left allmulticast mode [ 470.783324][ T59] bridge_slave_0: left promiscuous mode [ 470.804901][ T59] bridge0: port 1(bridge_slave_0) entered disabled state [ 470.837275][ T59] veth1_macvtap: left promiscuous mode [ 470.842982][ T59] veth0_macvtap: left promiscuous mode [ 470.849646][ T59] veth1_vlan: left promiscuous mode [ 470.855542][ T59] veth0_vlan: left promiscuous mode [ 470.973288][ T1059] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1 [ 471.599597][ T59] team98 (unregistering): Port device batadv100000000 removed [ 471.642928][ T59] team97 (unregistering): Port device batadv99 removed [ 471.647681][ T1059] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1 [ 471.699187][ T59] team96 (unregistering): Port device batadv98 removed [ 471.740701][ T59] team95 (unregistering): Port device batadv97 removed [ 471.782598][ T59] team94 (unregistering): Port device batadv96 removed [ 471.830826][ T59] team93 (unregistering): Port device batadv95 removed [ 471.874053][ T59] team92 (unregistering): Port device batadv94 removed [ 471.915076][ T59] team91 (unregistering): Port device batadv93 removed [ 471.955932][ T59] team90 (unregistering): Port device batadv92 removed [ 471.999377][ T59] team89 (unregistering): Port device batadv91 removed [ 472.052785][ T59] team88 (unregistering): Port device batadv90 removed [ 472.093398][ T59] team87 (unregistering): Port device batadv89 removed [ 472.133950][ T59] team86 (unregistering): Port device batadv88 removed [ 472.173131][ T59] team85 (unregistering): Port device batadv87 removed [ 472.213159][ T59] team84 (unregistering): Port device batadv86 removed [ 472.255779][ T59] team83 (unregistering): Port device batadv85 removed [ 472.288842][ T42] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1 [ 472.304137][ T59] team82 (unregistering): Port device batadv84 removed [ 472.343422][ T59] team81 (unregistering): Port device batadv83 removed [ 472.381917][ T59] team80 (unregistering): Port device batadv82 removed [ 472.423620][ T59] team79 (unregistering): Port device batadv81 removed [ 472.463219][ T59] team78 (unregistering): Port device batadv80 removed [ 472.506298][ T59] team77 (unregistering): Port device batadv79 removed [ 472.544650][ T59] team76 (unregistering): Port device batadv78 removed [ 472.593362][ T59] team75 (unregistering): Port device batadv77 removed [ 472.633731][ T59] team74 (unregistering): Port device batadv76 removed [ 472.674231][ T59] team73 (unregistering): Port device batadv75 removed [ 472.713857][ T59] team72 (unregistering): Port device batadv74 removed [ 472.761200][ T59] team71 (unregistering): Port device batadv73 removed [ 472.802325][ T59] team70 (unregistering): Port device batadv72 removed [ 472.840477][ T59] team69 (unregistering): Port device batadv71 removed [ 472.878953][ T59] team68 (unregistering): Port device batadv70 removed [ 472.917751][ T59] team67 (unregistering): Port device batadv69 removed [ 472.921035][ T1059] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1 [ 472.967816][ T59] team66 (unregistering): Port device batadv68 removed [ 473.007053][ T59] team65 (unregistering): Port device batadv67 removed [ 473.056624][ T59] team64 (unregistering): Port device batadv66 removed [ 473.097922][ T59] team63 (unregistering): Port device batadv65 removed [ 473.135892][ T59] team62 (unregistering): Port device batadv64 removed [ 473.175729][ T59] team61 (unregistering): Port device batadv63 removed [ 473.214040][ T59] team60 (unregistering): Port device batadv62 removed [ 473.254886][ T59] team59 (unregistering): Port device batadv61 removed [ 473.296071][ T59] team58 (unregistering): Port device batadv60 removed [ 473.337638][ T59] team57 (unregistering): Port device batadv59 removed [ 473.378912][ T59] team56 (unregistering): Port device batadv58 removed [ 473.418721][ T59] team55 (unregistering): Port device batadv57 removed [ 473.458076][ T59] team54 (unregistering): Port device batadv56 removed [ 473.499729][ T59] team53 (unregistering): Port device batadv55 removed [ 473.541080][ T59] team52 (unregistering): Port device batadv54 removed [ 473.579290][ T59] team51 (unregistering): Port device batadv53 removed [ 473.581532][ T1059] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1 [ 473.642002][ T59] team50 (unregistering): Port device batadv52 removed [ 473.681183][ T59] team49 (unregistering): Port device batadv51 removed [ 473.722970][ T59] team48 (unregistering): Port device batadv50 removed [ 473.762276][ T59] team47 (unregistering): Port device batadv49 removed [ 473.800858][ T59] team46 (unregistering): Port device batadv48 removed [ 473.838857][ T59] team45 (unregistering): Port device batadv47 removed [ 473.876756][ T59] team44 (unregistering): Port device batadv46 removed [ 473.915275][ T59] team43 (unregistering): Port device batadv45 removed [ 473.954709][ T59] team42 (unregistering): Port device batadv44 removed [ 473.991742][ T59] team41 (unregistering): Port device batadv43 removed [ 474.031093][ T59] team40 (unregistering): Port device batadv42 removed [ 474.068873][ T59] team39 (unregistering): Port device batadv41 removed [ 474.108277][ T59] team38 (unregistering): Port device batadv40 removed [ 474.149727][ T59] team37 (unregistering): Port device batadv39 removed [ 474.189726][ T59] team36 (unregistering): Port device batadv38 removed [ 474.229641][ T59] team35 (unregistering): Port device batadv37 removed [ 474.246361][ T42] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1 [ 474.281867][ T59] team34 (unregistering): Port device batadv36 removed [ 474.325398][ T59] team33 (unregistering): Port device batadv35 removed [ 474.371425][ T59] team32 (unregistering): Port device batadv34 removed [ 474.411765][ T59] team31 (unregistering): Port device batadv33 removed [ 474.450794][ T59] team30 (unregistering): Port device batadv32 removed [ 474.489458][ T59] team29 (unregistering): Port device batadv31 removed [ 474.530393][ T59] team28 (unregistering): Port device batadv30 removed [ 474.597117][ T59] team27 (unregistering): Port device batadv29 removed [ 474.647465][ T59] team26 (unregistering): Port device batadv28 removed [ 474.687628][ T59] team25 (unregistering): Port device batadv27 removed [ 474.727627][ T59] team24 (unregistering): Port device batadv26 removed [ 474.765753][ T59] team23 (unregistering): Port device batadv25 removed [ 474.802962][ T59] team22 (unregistering): Port device batadv24 removed [ 474.855876][ T59] team21 (unregistering): Port device batadv23 removed [ 474.892793][ T59] team20 (unregistering): Port device batadv22 removed [ 474.907062][ T1059] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1 [ 474.940991][ T59] team19 (unregistering): Port device batadv21 removed [ 474.980072][ T59] team18 (unregistering): Port device batadv20 removed [ 475.017114][ T59] team17 (unregistering): Port device batadv19 removed [ 475.054093][ T59] team16 (unregistering): Port device batadv18 removed [ 475.093892][ T59] team15 (unregistering): Port device batadv17 removed [ 475.131065][ T59] team14 (unregistering): Port device batadv16 removed [ 475.169454][ T59] team13 (unregistering): Port device batadv15 removed [ 475.208178][ T59] team12 (unregistering): Port device batadv14 removed [ 475.246338][ T59] team11 (unregistering): Port device batadv13 removed [ 475.282502][ T59] team10 (unregistering): Port device batadv12 removed [ 475.320182][ T59] team9 (unregistering): Port device batadv11 removed [ 475.370274][ T59] team8 (unregistering): Port device batadv10 removed [ 475.421370][ T59] team7 (unregistering): Port device batadv9 removed [ 475.459892][ T59] team6 (unregistering): Port device batadv8 removed [ 475.496380][ T59] team5 (unregistering): Port device batadv7 removed [ 475.532177][ T59] team4 (unregistering): Port device batadv6 removed [ 475.541354][ T1059] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1 [ 475.574876][ T59] team3 (unregistering): Port device batadv5 removed [ 475.610516][ T59] team2 (unregistering): Port device batadv4 removed [ 475.649845][ T59] team1 (unregistering): Port device batadv3 removed [ 475.684186][ T59] bond0 (unregistering): (slave batadv2): Releasing backup interface [ 475.899569][ T59] team0 (unregistering): Port device team_slave_1 removed [ 475.932968][ T59] team0 (unregistering): Port device team_slave_0 removed [ 475.954953][ T59] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 475.977931][ T59] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 476.123969][ T59] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.0.84' (ED25519) to the list of known hosts. [ 476.978858][ T7175] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 477.144247][ T7175] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 477.171334][ T7175] team0: Port device batadv0 added [ 477.204653][ T7183] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 477.418835][ T7183] 8021q: adding VLAN 0 to HW filter on device batadv1 [ 477.452002][ T7183] team1: Port device batadv1 added [ 477.486891][ T7186] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 477.621541][ T7186] 8021q: adding VLAN 0 to HW filter on device batadv2 [ 477.635262][ T7186] team2: Port device batadv2 added [ 477.656566][ T7187] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 477.815929][ T7187] 8021q: adding VLAN 0 to HW filter on device batadv3 [ 477.828710][ T7187] team3: Port device batadv3 added [ 477.847820][ T7188] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 478.053563][ T7188] 8021q: adding VLAN 0 to HW filter on device batadv4 [ 478.070753][ T7188] team4: Port device batadv4 added [ 478.095432][ T7192] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 478.297015][ T7192] 8021q: adding VLAN 0 to HW filter on device batadv5 [ 478.316646][ T7192] team5: Port device batadv5 added [ 478.336996][ T7197] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 478.534729][ T7197] 8021q: adding VLAN 0 to HW filter on device batadv6 [ 478.573667][ T7197] team6: Port device batadv6 added [ 478.596602][ T7203] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 478.799166][ T7203] 8021q: adding VLAN 0 to HW filter on device batadv7 [ 478.810891][ T7203] team7: Port device batadv7 added [ 478.827973][ T7206] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 479.032757][ T7206] 8021q: adding VLAN 0 to HW filter on device batadv8 [ 479.042654][ T7206] team8: Port device batadv8 added [ 479.066254][ T7207] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 479.236288][ T7207] 8021q: adding VLAN 0 to HW filter on device batadv9 [ 479.249019][ T7207] team9: Port device batadv9 added [ 479.440734][ T7208] 8021q: adding VLAN 0 to HW filter on device batadv10 [ 479.452006][ T7208] team10: Port device batadv10 added [ 479.610862][ T7209] 8021q: adding VLAN 0 to HW filter on device batadv11 [ 479.622654][ T7209] team11: Port device batadv11 added [ 479.778853][ T7210] 8021q: adding VLAN 0 to HW filter on device batadv12 [ 479.790674][ T7210] team12: Port device batadv12 added [ 479.958156][ T7211] 8021q: adding VLAN 0 to HW filter on device batadv13 [ 479.977701][ T7211] team13: Port device batadv13 added [ 480.145454][ T7212] 8021q: adding VLAN 0 to HW filter on device batadv14 [ 480.157047][ T7212] team14: Port device batadv14 added [ 480.338009][ T7213] 8021q: adding VLAN 0 to HW filter on device batadv15 [ 480.350616][ T7213] team15: Port device batadv15 added [ 480.531944][ T7214] 8021q: adding VLAN 0 to HW filter on device batadv16 [ 480.546483][ T7214] team16: Port device batadv16 added [ 480.713040][ T7215] 8021q: adding VLAN 0 to HW filter on device batadv17 [ 480.738462][ T7215] team17: Port device batadv17 added [ 480.916366][ T7216] 8021q: adding VLAN 0 to HW filter on device batadv18 [ 480.927445][ T7216] team18: Port device batadv18 added [ 481.107461][ T7217] 8021q: adding VLAN 0 to HW filter on device batadv19 [ 481.120217][ T7217] team19: Port device batadv19 added [ 481.310783][ T7218] 8021q: adding VLAN 0 to HW filter on device batadv20 [ 481.326958][ T7218] team20: Port device batadv20 added [ 481.493196][ T7219] 8021q: adding VLAN 0 to HW filter on device batadv21 [ 481.507414][ T7219] team21: Port device batadv21 added [ 481.679268][ T7220] 8021q: adding VLAN 0 to HW filter on device batadv22 [ 481.691841][ T7220] team22: Port device batadv22 added [ 481.870561][ T7221] 8021q: adding VLAN 0 to HW filter on device batadv23 [ 481.883060][ T7221] team23: Port device batadv23 added [ 482.041096][ T7222] 8021q: adding VLAN 0 to HW filter on device batadv24 [ 482.055237][ T7222] team24: Port device batadv24 added [ 482.086822][ T7223] __nla_validate_parse: 15 callbacks suppressed [ 482.086841][ T7223] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 482.255089][ T7223] 8021q: adding VLAN 0 to HW filter on device batadv25 [ 482.265457][ T7223] team25: Port device batadv25 added [ 482.287222][ T7224] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 482.450741][ T7224] 8021q: adding VLAN 0 to HW filter on device batadv26 [ 482.461449][ T7224] team26: Port device batadv26 added [ 482.482118][ T7225] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 482.635633][ T7225] 8021q: adding VLAN 0 to HW filter on device batadv27 [ 482.646733][ T7225] team27: Port device batadv27 added [ 482.672478][ T7226] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 482.860202][ T7226] 8021q: adding VLAN 0 to HW filter on device batadv28 [ 482.880724][ T7226] team28: Port device batadv28 added [ 482.916699][ T7227] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 483.096362][ T7227] 8021q: adding VLAN 0 to HW filter on device batadv29 [ 483.110612][ T7227] team29: Port device batadv29 added [ 483.147239][ T7228] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 483.330441][ T7228] 8021q: adding VLAN 0 to HW filter on device batadv30 [ 483.366023][ T7228] team30: Port device batadv30 added [ 483.393267][ T7229] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 483.585028][ T7229] 8021q: adding VLAN 0 to HW filter on device batadv31 [ 483.606011][ T7229] team31: Port device batadv31 added [ 483.637427][ T7230] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 483.829491][ T7230] 8021q: adding VLAN 0 to HW filter on device batadv32 [ 483.853855][ T7230] team32: Port device batadv32 added [ 483.878783][ T7231] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 484.067834][ T7231] 8021q: adding VLAN 0 to HW filter on device batadv33 [ 484.097447][ T7231] team33: Port device batadv33 added [ 484.127288][ T7232] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 484.335880][ T7232] 8021q: adding VLAN 0 to HW filter on device batadv34 [ 484.356743][ T7232] team34: Port device batadv34 added [ 484.556376][ T7233] 8021q: adding VLAN 0 to HW filter on device batadv35 [ 484.577481][ T7233] team35: Port device batadv35 added [ 484.752418][ T7234] 8021q: adding VLAN 0 to HW filter on device batadv36 [ 484.768739][ T7234] team36: Port device batadv36 added [ 484.952154][ T7235] 8021q: adding VLAN 0 to HW filter on device batadv37 [ 484.966712][ T7235] team37: Port device batadv37 added [ 485.111369][ T7236] 8021q: adding VLAN 0 to HW filter on device batadv38 [ 485.127048][ T7236] team38: Port device batadv38 added [ 485.273495][ T7237] 8021q: adding VLAN 0 to HW filter on device batadv39 [ 485.287818][ T7237] team39: Port device batadv39 added [ 485.448892][ T7238] 8021q: adding VLAN 0 to HW filter on device batadv40 [ 485.461657][ T7238] team40: Port device batadv40 added [ 485.614830][ T7239] 8021q: adding VLAN 0 to HW filter on device batadv41 [ 485.628930][ T7239] team41: Port device batadv41 added [ 485.755589][ T7240] 8021q: adding VLAN 0 to HW filter on device batadv42 [ 485.777463][ T7240] team42: Port device batadv42 added [ 485.926265][ T7241] 8021q: adding VLAN 0 to HW filter on device batadv43 [ 485.937051][ T7241] team43: Port device batadv43 added [ 486.087477][ T7242] 8021q: adding VLAN 0 to HW filter on device batadv44 [ 486.099710][ T7242] team44: Port device batadv44 added [ 486.251207][ T7243] 8021q: adding VLAN 0 to HW filter on device batadv45 [ 486.266553][ T7243] team45: Port device batadv45 added [ 486.424172][ T7244] 8021q: adding VLAN 0 to HW filter on device batadv46 [ 486.440239][ T7244] team46: Port device batadv46 added [ 486.604855][ T7245] 8021q: adding VLAN 0 to HW filter on device batadv47 [ 486.615211][ T7245] team47: Port device batadv47 added [ 486.760348][ T7246] 8021q: adding VLAN 0 to HW filter on device batadv48 [ 486.778247][ T7246] team48: Port device batadv48 added [ 486.888263][ T7247] 8021q: adding VLAN 0 to HW filter on device batadv49 [ 486.910561][ T7247] team49: Port device batadv49 added [ 487.047854][ T7248] 8021q: adding VLAN 0 to HW filter on device batadv50 [ 487.058811][ T7248] team50: Port device batadv50 added [ 487.202219][ T7249] 8021q: adding VLAN 0 to HW filter on device batadv51 [ 487.213676][ T7249] team51: Port device batadv51 added [ 487.233322][ T7250] __nla_validate_parse: 17 callbacks suppressed [ 487.233342][ T7250] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 487.378182][ T7250] 8021q: adding VLAN 0 to HW filter on device batadv52 [ 487.388851][ T7250] team52: Port device batadv52 added [ 487.404188][ T7251] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 487.533184][ T7251] 8021q: adding VLAN 0 to HW filter on device batadv53 [ 487.546050][ T7251] team53: Port device batadv53 added [ 487.573784][ T7252] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 487.749346][ T7252] 8021q: adding VLAN 0 to HW filter on device batadv54 [ 487.763046][ T7252] team54: Port device batadv54 added [ 487.780118][ T7253] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 487.948836][ T7253] 8021q: adding VLAN 0 to HW filter on device batadv55 [ 487.959825][ T7253] team55: Port device batadv55 added [ 487.997528][ T7254] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 488.144292][ T7254] 8021q: adding VLAN 0 to HW filter on device batadv56 [ 488.156144][ T7254] team56: Port device batadv56 added [ 488.176826][ T7255] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 488.319091][ T7255] 8021q: adding VLAN 0 to HW filter on device batadv57 [ 488.332064][ T7255] team57: Port device batadv57 added [ 488.351480][ T7256] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 488.514493][ T7256] 8021q: adding VLAN 0 to HW filter on device batadv58 [ 488.527252][ T7256] team58: Port device batadv58 added [ 488.558648][ T7257] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 488.702142][ T7257] 8021q: adding VLAN 0 to HW filter on device batadv59 [ 488.713461][ T7257] team59: Port device batadv59 added [ 488.748189][ T7258] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 488.897894][ T7258] 8021q: adding VLAN 0 to HW filter on device batadv60 [ 488.910399][ T7258] team60: Port device batadv60 added [ 488.928646][ T7259] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 489.081465][ T7259] 8021q: adding VLAN 0 to HW filter on device batadv61 [ 489.091745][ T7259] team61: Port device batadv61 added [ 489.243091][ T7260] 8021q: adding VLAN 0 to HW filter on device batadv62 [ 489.258628][ T7260] team62: Port device batadv62 added [ 489.415928][ T7261] 8021q: adding VLAN 0 to HW filter on device batadv63 [ 489.428650][ T7261] team63: Port device batadv63 added [ 489.595786][ T7262] 8021q: adding VLAN 0 to HW filter on device batadv64 [ 489.609018][ T7262] team64: Port device batadv64 added [ 489.759028][ T7263] 8021q: adding VLAN 0 to HW filter on device batadv65 [ 489.772753][ T7263] team65: Port device batadv65 added [ 489.932563][ T7264] 8021q: adding VLAN 0 to HW filter on device batadv66 [ 489.943393][ T7264] team66: Port device batadv66 added [ 490.105550][ T7265] 8021q: adding VLAN 0 to HW filter on device batadv67 [ 490.115892][ T7265] team67: Port device batadv67 added [ 490.291159][ T7266] 8021q: adding VLAN 0 to HW filter on device batadv68 [ 490.306151][ T7266] team68: Port device batadv68 added [ 490.448605][ T7267] 8021q: adding VLAN 0 to HW filter on device batadv69 [ 490.458898][ T7267] team69: Port device batadv69 added [ 490.599171][ T7268] 8021q: adding VLAN 0 to HW filter on device batadv70 [ 490.609891][ T7268] team70: Port device batadv70 added [ 490.757662][ T7269] 8021q: adding VLAN 0 to HW filter on device batadv71 [ 490.772651][ T7269] team71: Port device batadv71 added [ 490.930247][ T7270] 8021q: adding VLAN 0 to HW filter on device batadv72 [ 490.943267][ T7270] team72: Port device batadv72 added [ 491.101148][ T7271] 8021q: adding VLAN 0 to HW filter on device batadv73 [ 491.111030][ T7271] team73: Port device batadv73 added [ 491.283563][ T7272] 8021q: adding VLAN 0 to HW filter on device batadv74 [ 491.298385][ T7272] team74: Port device batadv74 added [ 491.459648][ T7273] 8021q: adding VLAN 0 to HW filter on device batadv75 [ 491.472690][ T7273] team75: Port device batadv75 added [ 491.629959][ T7274] 8021q: adding VLAN 0 to HW filter on device batadv76 [ 491.641306][ T7274] team76: Port device batadv76 added [ 491.796767][ T7275] 8021q: adding VLAN 0 to HW filter on device batadv77 [ 491.808399][ T7275] team77: Port device batadv77 added [ 491.949246][ T7276] 8021q: adding VLAN 0 to HW filter on device batadv78 [ 491.965992][ T7276] team78: Port device batadv78 added [ 492.125106][ T7277] 8021q: adding VLAN 0 to HW filter on device batadv79 [ 492.139319][ T7277] team79: Port device batadv79 added [ 492.285309][ T7278] 8021q: adding VLAN 0 to HW filter on device batadv80 [ 492.296162][ T7278] team80: Port device batadv80 added [ 492.326799][ T7279] __nla_validate_parse: 19 callbacks suppressed [ 492.326820][ T7279] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 492.477955][ T7279] 8021q: adding VLAN 0 to HW filter on device batadv81 [ 492.489122][ T7279] team81: Port device batadv81 added [ 492.506921][ T7280] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 492.667681][ T7280] 8021q: adding VLAN 0 to HW filter on device batadv82 [ 492.678342][ T7280] team82: Port device batadv82 added [ 492.696162][ T7281] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 492.849211][ T7281] 8021q: adding VLAN 0 to HW filter on device batadv83 [ 492.862401][ T7281] team83: Port device batadv83 added [ 492.887961][ T7282] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 493.023047][ T7282] 8021q: adding VLAN 0 to HW filter on device batadv84 [ 493.040929][ T7282] team84: Port device batadv84 added [ 493.067743][ T7283] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 493.214226][ T7283] 8021q: adding VLAN 0 to HW filter on device batadv85 [ 493.226003][ T7283] team85: Port device batadv85 added [ 493.247555][ T7284] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 493.382985][ T7284] 8021q: adding VLAN 0 to HW filter on device batadv86 [ 493.400499][ T7284] team86: Port device batadv86 added [ 493.415821][ T7285] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 493.558232][ T7285] 8021q: adding VLAN 0 to HW filter on device batadv87 [ 493.568406][ T7285] team87: Port device batadv87 added [ 493.587445][ T7286] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 493.740126][ T7286] 8021q: adding VLAN 0 to HW filter on device batadv88 [ 493.755084][ T7286] team88: Port device batadv88 added [ 493.787337][ T7287] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 493.928845][ T7287] 8021q: adding VLAN 0 to HW filter on device batadv89 [ 493.938879][ T7287] team89: Port device batadv89 added [ 493.956045][ T7288] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 494.108152][ T7288] 8021q: adding VLAN 0 to HW filter on device batadv90 [ 494.120473][ T7288] team90: Port device batadv90 added [ 494.246240][ T7289] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 494.256478][ T7289] CPU: 0 PID: 7289 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 494.267360][ T7289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 494.277980][ T7289] Call Trace: [ 494.281542][ T7289] [ 494.284666][ T7289] dump_stack_lvl+0x125/0x1b0 [ 494.289380][ T7289] sysfs_warn_dup+0x7f/0xa0 [ 494.294357][ T7289] sysfs_create_dir_ns+0x247/0x2a0 [ 494.299518][ T7289] ? sysfs_create_mount_point+0xb0/0xb0 [ 494.305293][ T7289] ? spin_bug+0x1d0/0x1d0 [ 494.309860][ T7289] ? net_namespace+0x12/0x40 [ 494.314828][ T7289] ? device_namespace+0x8d/0xc0 [ 494.319902][ T7289] kobject_add_internal+0x2c8/0x960 [ 494.325154][ T7289] kobject_add+0x16f/0x240 [ 494.329611][ T7289] ? kset_create_and_add+0x190/0x190 [ 494.335478][ T7289] ? do_raw_spin_unlock+0x173/0x230 [ 494.340720][ T7289] ? kobject_put+0xbe/0x440 [ 494.345442][ T7289] ? device_add+0xc35/0x1aa0 [ 494.350068][ T7289] device_add+0x289/0x1aa0 [ 494.354597][ T7289] ? device_initialize+0x510/0x510 [ 494.359921][ T7289] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 494.366907][ T7289] ? __init_waitqueue_head+0xca/0x150 [ 494.372587][ T7289] netdev_register_kobject+0x183/0x3f0 [ 494.382324][ T7289] register_netdevice+0xbdf/0x14a0 [ 494.387641][ T7289] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 494.393815][ T7289] ? alloc_netdev_mqs+0xee6/0x1290 [ 494.399040][ T7289] bpq_device_event+0x39e/0xaf0 [ 494.403987][ T7289] ? team_device_event+0x219/0x750 [ 494.409201][ T7289] notifier_call_chain+0xb6/0x3b0 [ 494.414513][ T7289] ? bpq_seq_stop+0xb0/0xb0 [ 494.419448][ T7289] call_netdevice_notifiers_info+0xbe/0x130 [ 494.425674][ T7289] dev_open+0x13c/0x150 [ 494.430135][ T7289] ? __dev_open+0x4d0/0x4d0 [ 494.436080][ T7289] ? rcu_is_watching+0x12/0xb0 [ 494.442341][ T7289] team_add_slave+0xb4b/0x2130 [ 494.447336][ T7289] ? team_uninit+0x1c0/0x1c0 [ 494.452257][ T7289] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 494.458436][ T7289] ? validate_linkmsg+0x6fc/0x9c0 [ 494.463594][ T7289] ? team_uninit+0x1c0/0x1c0 [ 494.468910][ T7289] do_set_master+0x1c1/0x220 [ 494.473527][ T7289] __rtnl_newlink+0x14e4/0x1930 [ 494.478401][ T7289] ? rtnl_link_unregister+0x260/0x260 [ 494.483815][ T7289] rtnl_newlink+0x67/0xa0 [ 494.488156][ T7289] ? __rtnl_newlink+0x1930/0x1930 [ 494.493277][ T7289] rtnetlink_rcv_msg+0x3c7/0xe00 [ 494.498402][ T7289] ? rtnl_getlink+0xb40/0xb40 [ 494.503444][ T7289] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 494.510140][ T7289] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 494.516321][ T7289] netlink_rcv_skb+0x16b/0x440 [ 494.521121][ T7289] ? rtnl_getlink+0xb40/0xb40 [ 494.526003][ T7289] ? netlink_ack+0x1370/0x1370 [ 494.530778][ T7289] ? lock_sync+0x190/0x190 [ 494.535299][ T7289] ? netlink_deliver_tap+0x1a0/0xd00 [ 494.541482][ T7289] ? _copy_from_iter+0x2c1/0x10f0 [ 494.546815][ T7289] netlink_unicast+0x53b/0x810 [ 494.551786][ T7289] ? netlink_attachskb+0x880/0x880 [ 494.556913][ T7289] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 494.563175][ T7289] ? __phys_addr_symbol+0x30/0x70 [ 494.568245][ T7289] ? __check_object_size+0x323/0x730 [ 494.573558][ T7289] netlink_sendmsg+0x93c/0xe40 [ 494.578603][ T7289] ? netlink_unicast+0x810/0x810 [ 494.583821][ T7289] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 494.589308][ T7289] ? netlink_unicast+0x810/0x810 [ 494.594441][ T7289] __sock_sendmsg+0xd5/0x180 [ 494.599214][ T7289] ____sys_sendmsg+0x6ac/0x940 [ 494.604032][ T7289] ? copy_msghdr_from_user+0x10b/0x160 [ 494.609786][ T7289] ? kernel_sendmsg+0x50/0x50 [ 494.614494][ T7289] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 494.620969][ T7289] ___sys_sendmsg+0x135/0x1d0 [ 494.626128][ T7289] ? do_recvmmsg+0x740/0x740 [ 494.631187][ T7289] ? find_held_lock+0x2d/0x110 [ 494.637039][ T7289] ? preempt_count_sub+0x150/0x150 [ 494.642265][ T7289] ? __fget_light+0x1fc/0x260 [ 494.647082][ T7289] __sys_sendmsg+0x117/0x1e0 [ 494.651947][ T7289] ? __sys_sendmsg_sock+0x30/0x30 [ 494.656997][ T7289] ? syscall_enter_from_user_mode+0x26/0x80 [ 494.662926][ T7289] do_syscall_64+0x3f/0x110 [ 494.667535][ T7289] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 494.674221][ T7289] RIP: 0033:0x7f2631248c19 [ 494.678646][ T7289] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 494.698401][ T7289] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 494.706936][ T7289] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 494.715881][ T7289] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 494.724309][ T7289] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 494.732490][ T7289] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 494.740697][ T7289] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 494.748799][ T7289] [ 494.762214][ T7289] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 494.781269][ T7289] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 494.791207][ T7289] CPU: 0 PID: 7289 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 494.801922][ T7289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 494.812262][ T7289] Call Trace: [ 494.815564][ T7289] [ 494.818602][ T7289] dump_stack_lvl+0x125/0x1b0 [ 494.823322][ T7289] sysfs_warn_dup+0x7f/0xa0 [ 494.828646][ T7289] sysfs_create_dir_ns+0x247/0x2a0 [ 494.833996][ T7289] ? sysfs_create_mount_point+0xb0/0xb0 [ 494.840153][ T7289] ? spin_bug+0x1d0/0x1d0 [ 494.844628][ T7289] ? net_namespace+0x12/0x40 [ 494.849260][ T7289] ? device_namespace+0x8d/0xc0 [ 494.854410][ T7289] kobject_add_internal+0x2c8/0x960 [ 494.859656][ T7289] kobject_add+0x16f/0x240 [ 494.864200][ T7289] ? kset_create_and_add+0x190/0x190 [ 494.869805][ T7289] ? do_raw_spin_unlock+0x173/0x230 [ 494.875211][ T7289] ? kobject_put+0xbe/0x440 [ 494.879754][ T7289] ? device_add+0xc35/0x1aa0 [ 494.884585][ T7289] device_add+0x289/0x1aa0 [ 494.889119][ T7289] ? device_initialize+0x510/0x510 [ 494.894478][ T7289] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 494.901461][ T7289] ? __init_waitqueue_head+0xca/0x150 [ 494.906977][ T7289] netdev_register_kobject+0x183/0x3f0 [ 494.912486][ T7289] register_netdevice+0xbdf/0x14a0 [ 494.917731][ T7289] ? lockdep_hardirqs_on+0x7d/0x100 [ 494.923565][ T7289] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 494.929582][ T7289] ? lapbeth_setup+0x170/0x170 [ 494.934649][ T7289] lapbeth_device_event+0x5b8/0xd40 [ 494.940247][ T7289] notifier_call_chain+0xb6/0x3b0 [ 494.945394][ T7289] ? lapbeth_xmit+0x290/0x290 [ 494.950117][ T7289] call_netdevice_notifiers_info+0xbe/0x130 [ 494.956057][ T7289] dev_open+0x13c/0x150 [ 494.960334][ T7289] ? __dev_open+0x4d0/0x4d0 [ 494.964867][ T7289] ? rcu_is_watching+0x12/0xb0 [ 494.969663][ T7289] team_add_slave+0xb4b/0x2130 [ 494.974499][ T7289] ? team_uninit+0x1c0/0x1c0 [ 494.979299][ T7289] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 494.985390][ T7289] ? validate_linkmsg+0x6fc/0x9c0 [ 494.990975][ T7289] ? team_uninit+0x1c0/0x1c0 [ 494.995774][ T7289] do_set_master+0x1c1/0x220 [ 495.000493][ T7289] __rtnl_newlink+0x14e4/0x1930 [ 495.005490][ T7289] ? rtnl_link_unregister+0x260/0x260 [ 495.011069][ T7289] rtnl_newlink+0x67/0xa0 [ 495.015429][ T7289] ? __rtnl_newlink+0x1930/0x1930 [ 495.020824][ T7289] rtnetlink_rcv_msg+0x3c7/0xe00 [ 495.025796][ T7289] ? rtnl_getlink+0xb40/0xb40 [ 495.030669][ T7289] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 495.037098][ T7289] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 495.044382][ T7289] netlink_rcv_skb+0x16b/0x440 [ 495.049535][ T7289] ? rtnl_getlink+0xb40/0xb40 [ 495.054328][ T7289] ? netlink_ack+0x1370/0x1370 [ 495.059296][ T7289] ? lock_sync+0x190/0x190 [ 495.063768][ T7289] ? netlink_deliver_tap+0x1a0/0xd00 [ 495.069218][ T7289] ? _copy_from_iter+0x2c1/0x10f0 [ 495.074380][ T7289] netlink_unicast+0x53b/0x810 [ 495.079569][ T7289] ? netlink_attachskb+0x880/0x880 [ 495.084742][ T7289] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 495.090846][ T7289] ? __phys_addr_symbol+0x30/0x70 [ 495.095906][ T7289] ? __check_object_size+0x323/0x730 [ 495.101509][ T7289] netlink_sendmsg+0x93c/0xe40 [ 495.106418][ T7289] ? netlink_unicast+0x810/0x810 [ 495.111567][ T7289] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 495.117064][ T7289] ? netlink_unicast+0x810/0x810 [ 495.122311][ T7289] __sock_sendmsg+0xd5/0x180 [ 495.127105][ T7289] ____sys_sendmsg+0x6ac/0x940 [ 495.132082][ T7289] ? copy_msghdr_from_user+0x10b/0x160 [ 495.137916][ T7289] ? kernel_sendmsg+0x50/0x50 [ 495.142737][ T7289] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 495.149046][ T7289] ___sys_sendmsg+0x135/0x1d0 [ 495.153789][ T7289] ? do_recvmmsg+0x740/0x740 [ 495.158610][ T7289] ? find_held_lock+0x2d/0x110 [ 495.163450][ T7289] ? preempt_count_sub+0x150/0x150 [ 495.168707][ T7289] ? __fget_light+0x1fc/0x260 [ 495.173510][ T7289] __sys_sendmsg+0x117/0x1e0 [ 495.178319][ T7289] ? __sys_sendmsg_sock+0x30/0x30 [ 495.184263][ T7289] ? syscall_enter_from_user_mode+0x26/0x80 [ 495.190299][ T7289] do_syscall_64+0x3f/0x110 [ 495.195032][ T7289] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 495.201065][ T7289] RIP: 0033:0x7f2631248c19 [ 495.206570][ T7289] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 495.226974][ T7289] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 495.235765][ T7289] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 495.244107][ T7289] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 495.252551][ T7289] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 495.260898][ T7289] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 495.269089][ T7289] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 495.277214][ T7289] [ 495.281687][ T7289] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 495.306064][ T7289] 8021q: adding VLAN 0 to HW filter on device batadv91 [ 495.316860][ T7289] team91: Port device batadv91 added [ 495.442082][ T7290] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 495.455083][ T7290] CPU: 0 PID: 7290 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 495.465296][ T7290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 495.475912][ T7290] Call Trace: [ 495.479236][ T7290] [ 495.482273][ T7290] dump_stack_lvl+0x125/0x1b0 [ 495.487085][ T7290] sysfs_warn_dup+0x7f/0xa0 [ 495.491807][ T7290] sysfs_create_dir_ns+0x247/0x2a0 [ 495.497306][ T7290] ? sysfs_create_mount_point+0xb0/0xb0 [ 495.504232][ T7290] ? spin_bug+0x1d0/0x1d0 [ 495.508689][ T7290] ? net_namespace+0x12/0x40 [ 495.513453][ T7290] ? device_namespace+0x8d/0xc0 [ 495.518474][ T7290] kobject_add_internal+0x2c8/0x960 [ 495.523817][ T7290] kobject_add+0x16f/0x240 [ 495.528528][ T7290] ? kset_create_and_add+0x190/0x190 [ 495.533852][ T7290] ? do_raw_spin_unlock+0x173/0x230 [ 495.540548][ T7290] ? kobject_put+0xbe/0x440 [ 495.545186][ T7290] ? device_add+0xc35/0x1aa0 [ 495.549991][ T7290] device_add+0x289/0x1aa0 [ 495.554908][ T7290] ? device_initialize+0x510/0x510 [ 495.560241][ T7290] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 495.567220][ T7290] ? __init_waitqueue_head+0xca/0x150 [ 495.573054][ T7290] netdev_register_kobject+0x183/0x3f0 [ 495.578796][ T7290] register_netdevice+0xbdf/0x14a0 [ 495.584159][ T7290] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 495.590692][ T7290] ? alloc_netdev_mqs+0xee6/0x1290 [ 495.596092][ T7290] bpq_device_event+0x39e/0xaf0 [ 495.602173][ T7290] ? team_device_event+0x219/0x750 [ 495.607396][ T7290] notifier_call_chain+0xb6/0x3b0 [ 495.612606][ T7290] ? bpq_seq_stop+0xb0/0xb0 [ 495.617308][ T7290] call_netdevice_notifiers_info+0xbe/0x130 [ 495.623697][ T7290] dev_open+0x13c/0x150 [ 495.628046][ T7290] ? __dev_open+0x4d0/0x4d0 [ 495.632560][ T7290] ? rcu_is_watching+0x12/0xb0 [ 495.637441][ T7290] team_add_slave+0xb4b/0x2130 [ 495.642408][ T7290] ? team_uninit+0x1c0/0x1c0 [ 495.647023][ T7290] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 495.652927][ T7290] ? validate_linkmsg+0x6fc/0x9c0 [ 495.658069][ T7290] ? team_uninit+0x1c0/0x1c0 [ 495.662764][ T7290] do_set_master+0x1c1/0x220 [ 495.667982][ T7290] __rtnl_newlink+0x14e4/0x1930 [ 495.673042][ T7290] ? rtnl_link_unregister+0x260/0x260 [ 495.678514][ T7290] rtnl_newlink+0x67/0xa0 [ 495.683122][ T7290] ? __rtnl_newlink+0x1930/0x1930 [ 495.688158][ T7290] rtnetlink_rcv_msg+0x3c7/0xe00 [ 495.694239][ T7290] ? rtnl_getlink+0xb40/0xb40 [ 495.698937][ T7290] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 495.705200][ T7290] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 495.711304][ T7290] netlink_rcv_skb+0x16b/0x440 [ 495.716086][ T7290] ? rtnl_getlink+0xb40/0xb40 [ 495.720862][ T7290] ? netlink_ack+0x1370/0x1370 [ 495.725766][ T7290] ? lock_sync+0x190/0x190 [ 495.730735][ T7290] ? netlink_deliver_tap+0x1a0/0xd00 [ 495.736265][ T7290] ? _copy_from_iter+0x2c1/0x10f0 [ 495.741785][ T7290] netlink_unicast+0x53b/0x810 [ 495.746838][ T7290] ? netlink_attachskb+0x880/0x880 [ 495.751965][ T7290] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 495.757984][ T7290] ? __phys_addr_symbol+0x30/0x70 [ 495.763029][ T7290] ? __check_object_size+0x323/0x730 [ 495.768526][ T7290] netlink_sendmsg+0x93c/0xe40 [ 495.773839][ T7290] ? netlink_unicast+0x810/0x810 [ 495.779167][ T7290] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 495.788630][ T7290] ? netlink_unicast+0x810/0x810 [ 495.793731][ T7290] __sock_sendmsg+0xd5/0x180 [ 495.798420][ T7290] ____sys_sendmsg+0x6ac/0x940 [ 495.803398][ T7290] ? copy_msghdr_from_user+0x10b/0x160 [ 495.809524][ T7290] ? kernel_sendmsg+0x50/0x50 [ 495.814750][ T7290] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 495.821023][ T7290] ___sys_sendmsg+0x135/0x1d0 [ 495.825747][ T7290] ? do_recvmmsg+0x740/0x740 [ 495.830400][ T7290] ? find_held_lock+0x2d/0x110 [ 495.835409][ T7290] ? preempt_count_sub+0x150/0x150 [ 495.840569][ T7290] ? __fget_light+0x1fc/0x260 [ 495.845373][ T7290] __sys_sendmsg+0x117/0x1e0 [ 495.850134][ T7290] ? __sys_sendmsg_sock+0x30/0x30 [ 495.855354][ T7290] ? syscall_enter_from_user_mode+0x26/0x80 [ 495.861322][ T7290] do_syscall_64+0x3f/0x110 [ 495.866042][ T7290] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 495.872224][ T7290] RIP: 0033:0x7f2631248c19 [ 495.876755][ T7290] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 495.897035][ T7290] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 495.906274][ T7290] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 495.914368][ T7290] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 495.922640][ T7290] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 495.930906][ T7290] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 495.939163][ T7290] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 495.947549][ T7290] [ 495.958040][ T7290] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 495.976951][ T7290] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 495.987870][ T7290] CPU: 1 PID: 7290 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 495.998429][ T7290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 496.008946][ T7290] Call Trace: [ 496.012245][ T7290] [ 496.015306][ T7290] dump_stack_lvl+0x125/0x1b0 [ 496.020481][ T7290] sysfs_warn_dup+0x7f/0xa0 [ 496.025140][ T7290] sysfs_create_dir_ns+0x247/0x2a0 [ 496.030839][ T7290] ? sysfs_create_mount_point+0xb0/0xb0 [ 496.036709][ T7290] ? spin_bug+0x1d0/0x1d0 [ 496.041180][ T7290] ? net_namespace+0x12/0x40 [ 496.046349][ T7290] ? device_namespace+0x8d/0xc0 [ 496.051503][ T7290] kobject_add_internal+0x2c8/0x960 [ 496.056926][ T7290] kobject_add+0x16f/0x240 [ 496.061471][ T7290] ? kset_create_and_add+0x190/0x190 [ 496.066973][ T7290] ? do_raw_spin_unlock+0x173/0x230 [ 496.072572][ T7290] ? kobject_put+0xbe/0x440 [ 496.077134][ T7290] ? device_add+0xc35/0x1aa0 [ 496.081869][ T7290] device_add+0x289/0x1aa0 [ 496.086530][ T7290] ? device_initialize+0x510/0x510 [ 496.092174][ T7290] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 496.099251][ T7290] ? __init_waitqueue_head+0xca/0x150 [ 496.104688][ T7290] netdev_register_kobject+0x183/0x3f0 [ 496.110891][ T7290] register_netdevice+0xbdf/0x14a0 [ 496.116412][ T7290] ? lockdep_hardirqs_on+0x7d/0x100 [ 496.121756][ T7290] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 496.127718][ T7290] ? lapbeth_setup+0x170/0x170 [ 496.133241][ T7290] lapbeth_device_event+0x5b8/0xd40 [ 496.139128][ T7290] notifier_call_chain+0xb6/0x3b0 [ 496.145434][ T7290] ? lapbeth_xmit+0x290/0x290 [ 496.150523][ T7290] call_netdevice_notifiers_info+0xbe/0x130 [ 496.156846][ T7290] dev_open+0x13c/0x150 [ 496.161215][ T7290] ? __dev_open+0x4d0/0x4d0 [ 496.165839][ T7290] ? rcu_is_watching+0x12/0xb0 [ 496.171099][ T7290] team_add_slave+0xb4b/0x2130 [ 496.176177][ T7290] ? team_uninit+0x1c0/0x1c0 [ 496.181152][ T7290] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 496.187532][ T7290] ? validate_linkmsg+0x6fc/0x9c0 [ 496.193023][ T7290] ? team_uninit+0x1c0/0x1c0 [ 496.197849][ T7290] do_set_master+0x1c1/0x220 [ 496.202777][ T7290] __rtnl_newlink+0x14e4/0x1930 [ 496.207686][ T7290] ? rtnl_link_unregister+0x260/0x260 [ 496.213386][ T7290] rtnl_newlink+0x67/0xa0 [ 496.217844][ T7290] ? __rtnl_newlink+0x1930/0x1930 [ 496.223177][ T7290] rtnetlink_rcv_msg+0x3c7/0xe00 [ 496.228963][ T7290] ? rtnl_getlink+0xb40/0xb40 [ 496.233776][ T7290] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 496.240329][ T7290] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 496.246460][ T7290] netlink_rcv_skb+0x16b/0x440 [ 496.251388][ T7290] ? rtnl_getlink+0xb40/0xb40 [ 496.256098][ T7290] ? netlink_ack+0x1370/0x1370 [ 496.260982][ T7290] ? lock_sync+0x190/0x190 [ 496.265812][ T7290] ? netlink_deliver_tap+0x1a0/0xd00 [ 496.271479][ T7290] ? _copy_from_iter+0x2c1/0x10f0 [ 496.276811][ T7290] netlink_unicast+0x53b/0x810 [ 496.281995][ T7290] ? netlink_attachskb+0x880/0x880 [ 496.287424][ T7290] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 496.293547][ T7290] ? __phys_addr_symbol+0x30/0x70 [ 496.298818][ T7290] ? __check_object_size+0x323/0x730 [ 496.304433][ T7290] netlink_sendmsg+0x93c/0xe40 [ 496.309373][ T7290] ? netlink_unicast+0x810/0x810 [ 496.314668][ T7290] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 496.320159][ T7290] ? netlink_unicast+0x810/0x810 [ 496.325427][ T7290] __sock_sendmsg+0xd5/0x180 [ 496.330843][ T7290] ____sys_sendmsg+0x6ac/0x940 [ 496.335743][ T7290] ? copy_msghdr_from_user+0x10b/0x160 [ 496.341248][ T7290] ? kernel_sendmsg+0x50/0x50 [ 496.345986][ T7290] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 496.352189][ T7290] ___sys_sendmsg+0x135/0x1d0 [ 496.356904][ T7290] ? do_recvmmsg+0x740/0x740 [ 496.361697][ T7290] ? find_held_lock+0x2d/0x110 [ 496.367292][ T7290] ? preempt_count_sub+0x150/0x150 [ 496.372652][ T7290] ? __fget_light+0x1fc/0x260 [ 496.377367][ T7290] __sys_sendmsg+0x117/0x1e0 [ 496.382054][ T7290] ? __sys_sendmsg_sock+0x30/0x30 [ 496.387388][ T7290] ? syscall_enter_from_user_mode+0x26/0x80 [ 496.393323][ T7290] do_syscall_64+0x3f/0x110 [ 496.398041][ T7290] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 496.404067][ T7290] RIP: 0033:0x7f2631248c19 [ 496.408718][ T7290] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 496.429351][ T7290] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 496.437994][ T7290] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 496.446027][ T7290] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 496.454570][ T7290] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 496.462849][ T7290] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 496.470949][ T7290] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 496.479332][ T7290] [ 496.489087][ T7290] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 496.521667][ T7290] 8021q: adding VLAN 0 to HW filter on device batadv92 [ 496.535619][ T7290] team92: Port device batadv92 added [ 496.655534][ T7291] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 496.672877][ T7291] CPU: 1 PID: 7291 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 496.683363][ T7291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 496.693975][ T7291] Call Trace: [ 496.697384][ T7291] [ 496.700441][ T7291] dump_stack_lvl+0x125/0x1b0 [ 496.705182][ T7291] sysfs_warn_dup+0x7f/0xa0 [ 496.709868][ T7291] sysfs_create_dir_ns+0x247/0x2a0 [ 496.715198][ T7291] ? sysfs_create_mount_point+0xb0/0xb0 [ 496.720806][ T7291] ? spin_bug+0x1d0/0x1d0 [ 496.725588][ T7291] ? net_namespace+0x12/0x40 [ 496.730446][ T7291] ? device_namespace+0x8d/0xc0 [ 496.735313][ T7291] kobject_add_internal+0x2c8/0x960 [ 496.740799][ T7291] kobject_add+0x16f/0x240 [ 496.745242][ T7291] ? kset_create_and_add+0x190/0x190 [ 496.751066][ T7291] ? do_raw_spin_unlock+0x173/0x230 [ 496.756387][ T7291] ? kobject_put+0xbe/0x440 [ 496.761178][ T7291] ? device_add+0xc35/0x1aa0 [ 496.765889][ T7291] device_add+0x289/0x1aa0 [ 496.770409][ T7291] ? device_initialize+0x510/0x510 [ 496.775539][ T7291] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 496.782610][ T7291] ? __init_waitqueue_head+0xca/0x150 [ 496.788145][ T7291] netdev_register_kobject+0x183/0x3f0 [ 496.793722][ T7291] register_netdevice+0xbdf/0x14a0 [ 496.799299][ T7291] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 496.805313][ T7291] ? alloc_netdev_mqs+0xee6/0x1290 [ 496.810978][ T7291] bpq_device_event+0x39e/0xaf0 [ 496.816017][ T7291] ? team_device_event+0x219/0x750 [ 496.821319][ T7291] notifier_call_chain+0xb6/0x3b0 [ 496.826446][ T7291] ? bpq_seq_stop+0xb0/0xb0 [ 496.831128][ T7291] call_netdevice_notifiers_info+0xbe/0x130 [ 496.837468][ T7291] dev_open+0x13c/0x150 [ 496.841644][ T7291] ? __dev_open+0x4d0/0x4d0 [ 496.846247][ T7291] ? rcu_is_watching+0x12/0xb0 [ 496.851197][ T7291] team_add_slave+0xb4b/0x2130 [ 496.856070][ T7291] ? team_uninit+0x1c0/0x1c0 [ 496.860760][ T7291] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 496.866920][ T7291] ? validate_linkmsg+0x6fc/0x9c0 [ 496.871966][ T7291] ? team_uninit+0x1c0/0x1c0 [ 496.877193][ T7291] do_set_master+0x1c1/0x220 [ 496.882500][ T7291] __rtnl_newlink+0x14e4/0x1930 [ 496.887846][ T7291] ? rtnl_link_unregister+0x260/0x260 [ 496.893563][ T7291] rtnl_newlink+0x67/0xa0 [ 496.897939][ T7291] ? __rtnl_newlink+0x1930/0x1930 [ 496.903522][ T7291] rtnetlink_rcv_msg+0x3c7/0xe00 [ 496.908713][ T7291] ? rtnl_getlink+0xb40/0xb40 [ 496.913670][ T7291] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 496.919680][ T7291] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 496.928659][ T7291] netlink_rcv_skb+0x16b/0x440 [ 496.933938][ T7291] ? rtnl_getlink+0xb40/0xb40 [ 496.938761][ T7291] ? netlink_ack+0x1370/0x1370 [ 496.943542][ T7291] ? lock_sync+0x190/0x190 [ 496.948087][ T7291] ? netlink_deliver_tap+0x1a0/0xd00 [ 496.953587][ T7291] ? _copy_from_iter+0x2c1/0x10f0 [ 496.958911][ T7291] netlink_unicast+0x53b/0x810 [ 496.963700][ T7291] ? netlink_attachskb+0x880/0x880 [ 496.968821][ T7291] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 496.974728][ T7291] ? __phys_addr_symbol+0x30/0x70 [ 496.979853][ T7291] ? __check_object_size+0x323/0x730 [ 496.985334][ T7291] netlink_sendmsg+0x93c/0xe40 [ 496.990118][ T7291] ? netlink_unicast+0x810/0x810 [ 496.995332][ T7291] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 497.000841][ T7291] ? netlink_unicast+0x810/0x810 [ 497.005807][ T7291] __sock_sendmsg+0xd5/0x180 [ 497.010450][ T7291] ____sys_sendmsg+0x6ac/0x940 [ 497.015311][ T7291] ? copy_msghdr_from_user+0x10b/0x160 [ 497.020870][ T7291] ? kernel_sendmsg+0x50/0x50 [ 497.025822][ T7291] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 497.031911][ T7291] ___sys_sendmsg+0x135/0x1d0 [ 497.036862][ T7291] ? do_recvmmsg+0x740/0x740 [ 497.041570][ T7291] ? find_held_lock+0x2d/0x110 [ 497.046449][ T7291] ? preempt_count_sub+0x150/0x150 [ 497.051926][ T7291] ? __fget_light+0x1fc/0x260 [ 497.056620][ T7291] __sys_sendmsg+0x117/0x1e0 [ 497.061229][ T7291] ? __sys_sendmsg_sock+0x30/0x30 [ 497.066371][ T7291] ? syscall_enter_from_user_mode+0x26/0x80 [ 497.072453][ T7291] do_syscall_64+0x3f/0x110 [ 497.077584][ T7291] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 497.083854][ T7291] RIP: 0033:0x7f2631248c19 [ 497.088274][ T7291] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 497.109038][ T7291] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 497.118175][ T7291] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 497.126246][ T7291] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 497.134709][ T7291] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 497.143233][ T7291] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 497.151229][ T7291] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 497.159397][ T7291] [ 497.179725][ T7291] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 497.197210][ T7291] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 497.207451][ T7291] CPU: 1 PID: 7291 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 497.217744][ T7291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 497.228094][ T7291] Call Trace: [ 497.231390][ T7291] [ 497.234350][ T7291] dump_stack_lvl+0x125/0x1b0 [ 497.239410][ T7291] sysfs_warn_dup+0x7f/0xa0 [ 497.243963][ T7291] sysfs_create_dir_ns+0x247/0x2a0 [ 497.249130][ T7291] ? sysfs_create_mount_point+0xb0/0xb0 [ 497.255137][ T7291] ? spin_bug+0x1d0/0x1d0 [ 497.259516][ T7291] ? net_namespace+0x12/0x40 [ 497.264391][ T7291] ? device_namespace+0x8d/0xc0 [ 497.269532][ T7291] kobject_add_internal+0x2c8/0x960 [ 497.274950][ T7291] kobject_add+0x16f/0x240 [ 497.279490][ T7291] ? kset_create_and_add+0x190/0x190 [ 497.285009][ T7291] ? do_raw_spin_unlock+0x173/0x230 [ 497.290861][ T7291] ? kobject_put+0xbe/0x440 [ 497.295491][ T7291] ? device_add+0xc35/0x1aa0 [ 497.300199][ T7291] device_add+0x289/0x1aa0 [ 497.304904][ T7291] ? device_initialize+0x510/0x510 [ 497.310154][ T7291] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 497.317232][ T7291] ? __init_waitqueue_head+0xca/0x150 [ 497.323138][ T7291] netdev_register_kobject+0x183/0x3f0 [ 497.328653][ T7291] register_netdevice+0xbdf/0x14a0 [ 497.333887][ T7291] ? lockdep_hardirqs_on+0x7d/0x100 [ 497.339111][ T7291] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 497.345222][ T7291] ? lapbeth_setup+0x170/0x170 [ 497.350195][ T7291] lapbeth_device_event+0x5b8/0xd40 [ 497.355538][ T7291] notifier_call_chain+0xb6/0x3b0 [ 497.360880][ T7291] ? lapbeth_xmit+0x290/0x290 [ 497.365738][ T7291] call_netdevice_notifiers_info+0xbe/0x130 [ 497.371677][ T7291] dev_open+0x13c/0x150 [ 497.375896][ T7291] ? __dev_open+0x4d0/0x4d0 [ 497.380621][ T7291] ? rcu_is_watching+0x12/0xb0 [ 497.385703][ T7291] team_add_slave+0xb4b/0x2130 [ 497.390635][ T7291] ? team_uninit+0x1c0/0x1c0 [ 497.395452][ T7291] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 497.401724][ T7291] ? validate_linkmsg+0x6fc/0x9c0 [ 497.406998][ T7291] ? team_uninit+0x1c0/0x1c0 [ 497.411986][ T7291] do_set_master+0x1c1/0x220 [ 497.417437][ T7291] __rtnl_newlink+0x14e4/0x1930 [ 497.422949][ T7291] ? rtnl_link_unregister+0x260/0x260 [ 497.428769][ T7291] rtnl_newlink+0x67/0xa0 [ 497.433232][ T7291] ? __rtnl_newlink+0x1930/0x1930 [ 497.438606][ T7291] rtnetlink_rcv_msg+0x3c7/0xe00 [ 497.444495][ T7291] ? rtnl_getlink+0xb40/0xb40 [ 497.449715][ T7291] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 497.456749][ T7291] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 497.462988][ T7291] netlink_rcv_skb+0x16b/0x440 [ 497.467976][ T7291] ? rtnl_getlink+0xb40/0xb40 [ 497.472785][ T7291] ? netlink_ack+0x1370/0x1370 [ 497.477756][ T7291] ? lock_sync+0x190/0x190 [ 497.482530][ T7291] ? netlink_deliver_tap+0x1a0/0xd00 [ 497.487843][ T7291] ? _copy_from_iter+0x2c1/0x10f0 [ 497.493090][ T7291] netlink_unicast+0x53b/0x810 [ 497.497901][ T7291] ? netlink_attachskb+0x880/0x880 [ 497.503147][ T7291] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 497.509102][ T7291] ? __phys_addr_symbol+0x30/0x70 [ 497.514256][ T7291] ? __check_object_size+0x323/0x730 [ 497.519677][ T7291] netlink_sendmsg+0x93c/0xe40 [ 497.525271][ T7291] ? netlink_unicast+0x810/0x810 [ 497.530247][ T7291] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 497.535734][ T7291] ? netlink_unicast+0x810/0x810 [ 497.540713][ T7291] __sock_sendmsg+0xd5/0x180 [ 497.545328][ T7291] ____sys_sendmsg+0x6ac/0x940 [ 497.550124][ T7291] ? copy_msghdr_from_user+0x10b/0x160 [ 497.558120][ T7291] ? kernel_sendmsg+0x50/0x50 [ 497.562831][ T7291] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 497.569119][ T7291] ___sys_sendmsg+0x135/0x1d0 [ 497.574838][ T7291] ? do_recvmmsg+0x740/0x740 [ 497.579717][ T7291] ? find_held_lock+0x2d/0x110 [ 497.584875][ T7291] ? preempt_count_sub+0x150/0x150 [ 497.590463][ T7291] ? __fget_light+0x1fc/0x260 [ 497.595872][ T7291] __sys_sendmsg+0x117/0x1e0 [ 497.600681][ T7291] ? __sys_sendmsg_sock+0x30/0x30 [ 497.605927][ T7291] ? syscall_enter_from_user_mode+0x26/0x80 [ 497.612377][ T7291] do_syscall_64+0x3f/0x110 [ 497.617003][ T7291] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 497.623194][ T7291] RIP: 0033:0x7f2631248c19 [ 497.627814][ T7291] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 497.648697][ T7291] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 497.657609][ T7291] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 497.665987][ T7291] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 497.674154][ T7291] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 497.682320][ T7291] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 497.690500][ T7291] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 497.698620][ T7291] [ 497.716817][ T7291] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 497.740142][ T7291] 8021q: adding VLAN 0 to HW filter on device batadv93 [ 497.751992][ T7291] team93: Port device batadv93 added [ 497.777117][ T7292] __nla_validate_parse: 3 callbacks suppressed [ 497.777136][ T7292] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 497.892647][ T7292] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 497.902311][ T7292] CPU: 0 PID: 7292 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 497.912588][ T7292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 497.922779][ T7292] Call Trace: [ 497.926088][ T7292] [ 497.929226][ T7292] dump_stack_lvl+0x125/0x1b0 [ 497.934127][ T7292] sysfs_warn_dup+0x7f/0xa0 [ 497.938954][ T7292] sysfs_create_dir_ns+0x247/0x2a0 [ 497.944220][ T7292] ? sysfs_create_mount_point+0xb0/0xb0 [ 497.950342][ T7292] ? spin_bug+0x1d0/0x1d0 [ 497.955154][ T7292] ? net_namespace+0x12/0x40 [ 497.959963][ T7292] ? device_namespace+0x8d/0xc0 [ 497.965992][ T7292] kobject_add_internal+0x2c8/0x960 [ 497.971690][ T7292] kobject_add+0x16f/0x240 [ 497.976144][ T7292] ? kset_create_and_add+0x190/0x190 [ 497.981865][ T7292] ? do_raw_spin_unlock+0x173/0x230 [ 497.987919][ T7292] ? kobject_put+0xbe/0x440 [ 497.993709][ T7292] ? device_add+0xc35/0x1aa0 [ 497.998678][ T7292] device_add+0x289/0x1aa0 [ 498.003377][ T7292] ? device_initialize+0x510/0x510 [ 498.008527][ T7292] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 498.016040][ T7292] ? __init_waitqueue_head+0xca/0x150 [ 498.022240][ T7292] netdev_register_kobject+0x183/0x3f0 [ 498.028105][ T7292] register_netdevice+0xbdf/0x14a0 [ 498.033431][ T7292] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 498.039436][ T7292] ? alloc_netdev_mqs+0xee6/0x1290 [ 498.044590][ T7292] bpq_device_event+0x39e/0xaf0 [ 498.049571][ T7292] ? team_device_event+0x219/0x750 [ 498.054894][ T7292] notifier_call_chain+0xb6/0x3b0 [ 498.059948][ T7292] ? bpq_seq_stop+0xb0/0xb0 [ 498.064473][ T7292] call_netdevice_notifiers_info+0xbe/0x130 [ 498.070563][ T7292] dev_open+0x13c/0x150 [ 498.074826][ T7292] ? __dev_open+0x4d0/0x4d0 [ 498.079460][ T7292] ? rcu_is_watching+0x12/0xb0 [ 498.084520][ T7292] team_add_slave+0xb4b/0x2130 [ 498.089533][ T7292] ? team_uninit+0x1c0/0x1c0 [ 498.094152][ T7292] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 498.100174][ T7292] ? validate_linkmsg+0x6fc/0x9c0 [ 498.105397][ T7292] ? team_uninit+0x1c0/0x1c0 [ 498.110064][ T7292] do_set_master+0x1c1/0x220 [ 498.114783][ T7292] __rtnl_newlink+0x14e4/0x1930 [ 498.119921][ T7292] ? rtnl_link_unregister+0x260/0x260 [ 498.125418][ T7292] rtnl_newlink+0x67/0xa0 [ 498.129930][ T7292] ? __rtnl_newlink+0x1930/0x1930 [ 498.134966][ T7292] rtnetlink_rcv_msg+0x3c7/0xe00 [ 498.140089][ T7292] ? rtnl_getlink+0xb40/0xb40 [ 498.144946][ T7292] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 498.151037][ T7292] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 498.157056][ T7292] netlink_rcv_skb+0x16b/0x440 [ 498.161835][ T7292] ? rtnl_getlink+0xb40/0xb40 [ 498.166984][ T7292] ? netlink_ack+0x1370/0x1370 [ 498.172304][ T7292] ? lock_sync+0x190/0x190 [ 498.176945][ T7292] ? netlink_deliver_tap+0x1a0/0xd00 [ 498.182633][ T7292] ? _copy_from_iter+0x2c1/0x10f0 [ 498.188377][ T7292] netlink_unicast+0x53b/0x810 [ 498.193336][ T7292] ? netlink_attachskb+0x880/0x880 [ 498.198580][ T7292] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 498.204704][ T7292] ? __phys_addr_symbol+0x30/0x70 [ 498.210414][ T7292] ? __check_object_size+0x323/0x730 [ 498.216177][ T7292] netlink_sendmsg+0x93c/0xe40 [ 498.221246][ T7292] ? netlink_unicast+0x810/0x810 [ 498.226392][ T7292] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 498.232181][ T7292] ? netlink_unicast+0x810/0x810 [ 498.237320][ T7292] __sock_sendmsg+0xd5/0x180 [ 498.242193][ T7292] ____sys_sendmsg+0x6ac/0x940 [ 498.247256][ T7292] ? copy_msghdr_from_user+0x10b/0x160 [ 498.252898][ T7292] ? kernel_sendmsg+0x50/0x50 [ 498.257764][ T7292] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 498.264319][ T7292] ___sys_sendmsg+0x135/0x1d0 [ 498.269221][ T7292] ? do_recvmmsg+0x740/0x740 [ 498.274094][ T7292] ? find_held_lock+0x2d/0x110 [ 498.279341][ T7292] ? preempt_count_sub+0x150/0x150 [ 498.284574][ T7292] ? __fget_light+0x1fc/0x260 [ 498.289287][ T7292] __sys_sendmsg+0x117/0x1e0 [ 498.294101][ T7292] ? __sys_sendmsg_sock+0x30/0x30 [ 498.299357][ T7292] ? syscall_enter_from_user_mode+0x26/0x80 [ 498.305481][ T7292] do_syscall_64+0x3f/0x110 [ 498.310004][ T7292] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 498.315907][ T7292] RIP: 0033:0x7f2631248c19 [ 498.320348][ T7292] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 498.340598][ T7292] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 498.349311][ T7292] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 498.357649][ T7292] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 498.365712][ T7292] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 498.373688][ T7292] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 498.382291][ T7292] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 498.390421][ T7292] [ 498.396538][ T7292] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 498.417453][ T7292] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 498.427612][ T7292] CPU: 0 PID: 7292 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 498.438854][ T7292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 498.449623][ T7292] Call Trace: [ 498.453038][ T7292] [ 498.456251][ T7292] dump_stack_lvl+0x125/0x1b0 [ 498.460986][ T7292] sysfs_warn_dup+0x7f/0xa0 [ 498.465903][ T7292] sysfs_create_dir_ns+0x247/0x2a0 [ 498.471324][ T7292] ? sysfs_create_mount_point+0xb0/0xb0 [ 498.477084][ T7292] ? spin_bug+0x1d0/0x1d0 [ 498.481648][ T7292] ? net_namespace+0x12/0x40 [ 498.486453][ T7292] ? device_namespace+0x8d/0xc0 [ 498.491360][ T7292] kobject_add_internal+0x2c8/0x960 [ 498.496694][ T7292] kobject_add+0x16f/0x240 [ 498.501244][ T7292] ? kset_create_and_add+0x190/0x190 [ 498.506655][ T7292] ? do_raw_spin_unlock+0x173/0x230 [ 498.511923][ T7292] ? kobject_put+0xbe/0x440 [ 498.516472][ T7292] ? device_add+0xc35/0x1aa0 [ 498.521620][ T7292] device_add+0x289/0x1aa0 [ 498.526439][ T7292] ? device_initialize+0x510/0x510 [ 498.531864][ T7292] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 498.538866][ T7292] ? __init_waitqueue_head+0xca/0x150 [ 498.544292][ T7292] netdev_register_kobject+0x183/0x3f0 [ 498.549910][ T7292] register_netdevice+0xbdf/0x14a0 [ 498.555064][ T7292] ? lockdep_hardirqs_on+0x7d/0x100 [ 498.560304][ T7292] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 498.566321][ T7292] ? lapbeth_setup+0x170/0x170 [ 498.571302][ T7292] lapbeth_device_event+0x5b8/0xd40 [ 498.576720][ T7292] notifier_call_chain+0xb6/0x3b0 [ 498.581787][ T7292] ? lapbeth_xmit+0x290/0x290 [ 498.586609][ T7292] call_netdevice_notifiers_info+0xbe/0x130 [ 498.592733][ T7292] dev_open+0x13c/0x150 [ 498.597028][ T7292] ? __dev_open+0x4d0/0x4d0 [ 498.601747][ T7292] ? rcu_is_watching+0x12/0xb0 [ 498.606813][ T7292] team_add_slave+0xb4b/0x2130 [ 498.611720][ T7292] ? team_uninit+0x1c0/0x1c0 [ 498.616534][ T7292] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 498.622720][ T7292] ? validate_linkmsg+0x6fc/0x9c0 [ 498.627791][ T7292] ? team_uninit+0x1c0/0x1c0 [ 498.632705][ T7292] do_set_master+0x1c1/0x220 [ 498.637601][ T7292] __rtnl_newlink+0x14e4/0x1930 [ 498.642520][ T7292] ? rtnl_link_unregister+0x260/0x260 [ 498.648050][ T7292] rtnl_newlink+0x67/0xa0 [ 498.652512][ T7292] ? __rtnl_newlink+0x1930/0x1930 [ 498.657571][ T7292] rtnetlink_rcv_msg+0x3c7/0xe00 [ 498.662628][ T7292] ? rtnl_getlink+0xb40/0xb40 [ 498.667332][ T7292] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 498.673806][ T7292] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 498.680206][ T7292] netlink_rcv_skb+0x16b/0x440 [ 498.685722][ T7292] ? rtnl_getlink+0xb40/0xb40 [ 498.690796][ T7292] ? netlink_ack+0x1370/0x1370 [ 498.696240][ T7292] ? lock_sync+0x190/0x190 [ 498.700728][ T7292] ? netlink_deliver_tap+0x1a0/0xd00 [ 498.706409][ T7292] ? _copy_from_iter+0x2c1/0x10f0 [ 498.712551][ T7292] netlink_unicast+0x53b/0x810 [ 498.717887][ T7292] ? netlink_attachskb+0x880/0x880 [ 498.723038][ T7292] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 498.729147][ T7292] ? __phys_addr_symbol+0x30/0x70 [ 498.734394][ T7292] ? __check_object_size+0x323/0x730 [ 498.739724][ T7292] netlink_sendmsg+0x93c/0xe40 [ 498.744626][ T7292] ? netlink_unicast+0x810/0x810 [ 498.749776][ T7292] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 498.755090][ T7292] ? netlink_unicast+0x810/0x810 [ 498.760061][ T7292] __sock_sendmsg+0xd5/0x180 [ 498.764680][ T7292] ____sys_sendmsg+0x6ac/0x940 [ 498.769558][ T7292] ? copy_msghdr_from_user+0x10b/0x160 [ 498.775226][ T7292] ? kernel_sendmsg+0x50/0x50 [ 498.780199][ T7292] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 498.786835][ T7292] ___sys_sendmsg+0x135/0x1d0 [ 498.791547][ T7292] ? do_recvmmsg+0x740/0x740 [ 498.796671][ T7292] ? find_held_lock+0x2d/0x110 [ 498.801933][ T7292] ? preempt_count_sub+0x150/0x150 [ 498.807271][ T7292] ? __fget_light+0x1fc/0x260 [ 498.812126][ T7292] __sys_sendmsg+0x117/0x1e0 [ 498.816762][ T7292] ? __sys_sendmsg_sock+0x30/0x30 [ 498.822276][ T7292] ? syscall_enter_from_user_mode+0x26/0x80 [ 498.828551][ T7292] do_syscall_64+0x3f/0x110 [ 498.833622][ T7292] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 498.839838][ T7292] RIP: 0033:0x7f2631248c19 [ 498.844451][ T7292] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 498.864654][ T7292] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 498.873269][ T7292] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 498.881959][ T7292] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 498.890066][ T7292] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 498.898764][ T7292] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 498.906973][ T7292] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 498.915778][ T7292] [ 498.922157][ T7292] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 498.944504][ T7292] 8021q: adding VLAN 0 to HW filter on device batadv94 [ 498.954762][ T7292] team94: Port device batadv94 added [ 498.978180][ T7293] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 499.079966][ T7293] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 499.090756][ T7293] CPU: 0 PID: 7293 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 499.100960][ T7293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 499.112180][ T7293] Call Trace: [ 499.115489][ T7293] [ 499.118526][ T7293] dump_stack_lvl+0x125/0x1b0 [ 499.123459][ T7293] sysfs_warn_dup+0x7f/0xa0 [ 499.128465][ T7293] sysfs_create_dir_ns+0x247/0x2a0 [ 499.133726][ T7293] ? sysfs_create_mount_point+0xb0/0xb0 [ 499.139677][ T7293] ? spin_bug+0x1d0/0x1d0 [ 499.144141][ T7293] ? net_namespace+0x12/0x40 [ 499.149201][ T7293] ? device_namespace+0x8d/0xc0 [ 499.154188][ T7293] kobject_add_internal+0x2c8/0x960 [ 499.159463][ T7293] kobject_add+0x16f/0x240 [ 499.164054][ T7293] ? kset_create_and_add+0x190/0x190 [ 499.169579][ T7293] ? do_raw_spin_unlock+0x173/0x230 [ 499.174853][ T7293] ? kobject_put+0xbe/0x440 [ 499.179400][ T7293] ? device_add+0xc35/0x1aa0 [ 499.184384][ T7293] device_add+0x289/0x1aa0 [ 499.188845][ T7293] ? device_initialize+0x510/0x510 [ 499.194502][ T7293] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 499.201781][ T7293] ? __init_waitqueue_head+0xca/0x150 [ 499.207847][ T7293] netdev_register_kobject+0x183/0x3f0 [ 499.213546][ T7293] register_netdevice+0xbdf/0x14a0 [ 499.218715][ T7293] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 499.224902][ T7293] ? alloc_netdev_mqs+0xee6/0x1290 [ 499.230320][ T7293] bpq_device_event+0x39e/0xaf0 [ 499.235400][ T7293] ? team_device_event+0x219/0x750 [ 499.240731][ T7293] notifier_call_chain+0xb6/0x3b0 [ 499.245799][ T7293] ? bpq_seq_stop+0xb0/0xb0 [ 499.250685][ T7293] call_netdevice_notifiers_info+0xbe/0x130 [ 499.257248][ T7293] dev_open+0x13c/0x150 [ 499.261535][ T7293] ? __dev_open+0x4d0/0x4d0 [ 499.266181][ T7293] ? rcu_is_watching+0x12/0xb0 [ 499.271064][ T7293] team_add_slave+0xb4b/0x2130 [ 499.275877][ T7293] ? team_uninit+0x1c0/0x1c0 [ 499.280787][ T7293] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 499.286986][ T7293] ? validate_linkmsg+0x6fc/0x9c0 [ 499.292238][ T7293] ? team_uninit+0x1c0/0x1c0 [ 499.296976][ T7293] do_set_master+0x1c1/0x220 [ 499.301721][ T7293] __rtnl_newlink+0x14e4/0x1930 [ 499.306722][ T7293] ? rtnl_link_unregister+0x260/0x260 [ 499.312337][ T7293] rtnl_newlink+0x67/0xa0 [ 499.316796][ T7293] ? __rtnl_newlink+0x1930/0x1930 [ 499.322315][ T7293] rtnetlink_rcv_msg+0x3c7/0xe00 [ 499.327823][ T7293] ? rtnl_getlink+0xb40/0xb40 [ 499.332622][ T7293] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 499.339780][ T7293] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 499.345822][ T7293] netlink_rcv_skb+0x16b/0x440 [ 499.350632][ T7293] ? rtnl_getlink+0xb40/0xb40 [ 499.355516][ T7293] ? netlink_ack+0x1370/0x1370 [ 499.360329][ T7293] ? lock_sync+0x190/0x190 [ 499.364813][ T7293] ? netlink_deliver_tap+0x1a0/0xd00 [ 499.370156][ T7293] ? _copy_from_iter+0x2c1/0x10f0 [ 499.375404][ T7293] netlink_unicast+0x53b/0x810 [ 499.380402][ T7293] ? netlink_attachskb+0x880/0x880 [ 499.385639][ T7293] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 499.391824][ T7293] ? __phys_addr_symbol+0x30/0x70 [ 499.396891][ T7293] ? __check_object_size+0x323/0x730 [ 499.402485][ T7293] netlink_sendmsg+0x93c/0xe40 [ 499.407586][ T7293] ? netlink_unicast+0x810/0x810 [ 499.413356][ T7293] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 499.419538][ T7293] ? netlink_unicast+0x810/0x810 [ 499.425497][ T7293] __sock_sendmsg+0xd5/0x180 [ 499.430873][ T7293] ____sys_sendmsg+0x6ac/0x940 [ 499.436518][ T7293] ? copy_msghdr_from_user+0x10b/0x160 [ 499.442806][ T7293] ? kernel_sendmsg+0x50/0x50 [ 499.447795][ T7293] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 499.454332][ T7293] ___sys_sendmsg+0x135/0x1d0 [ 499.459767][ T7293] ? do_recvmmsg+0x740/0x740 [ 499.465282][ T7293] ? find_held_lock+0x2d/0x110 [ 499.470560][ T7293] ? preempt_count_sub+0x150/0x150 [ 499.476454][ T7293] ? __fget_light+0x1fc/0x260 [ 499.481358][ T7293] __sys_sendmsg+0x117/0x1e0 [ 499.486359][ T7293] ? __sys_sendmsg_sock+0x30/0x30 [ 499.491850][ T7293] ? syscall_enter_from_user_mode+0x26/0x80 [ 499.497876][ T7293] do_syscall_64+0x3f/0x110 [ 499.502603][ T7293] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 499.508531][ T7293] RIP: 0033:0x7f2631248c19 [ 499.513581][ T7293] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 499.534099][ T7293] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 499.542628][ T7293] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 499.550709][ T7293] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 499.559137][ T7293] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 499.567335][ T7293] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 499.575519][ T7293] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 499.583536][ T7293] [ 499.588128][ T7293] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 499.608253][ T7293] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 499.620102][ T7293] CPU: 1 PID: 7293 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 499.630838][ T7293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 499.641015][ T7293] Call Trace: [ 499.644333][ T7293] [ 499.647326][ T7293] dump_stack_lvl+0x125/0x1b0 [ 499.652326][ T7293] sysfs_warn_dup+0x7f/0xa0 [ 499.656873][ T7293] sysfs_create_dir_ns+0x247/0x2a0 [ 499.662379][ T7293] ? sysfs_create_mount_point+0xb0/0xb0 [ 499.668245][ T7293] ? spin_bug+0x1d0/0x1d0 [ 499.672703][ T7293] ? net_namespace+0x12/0x40 [ 499.677316][ T7293] ? device_namespace+0x8d/0xc0 [ 499.682380][ T7293] kobject_add_internal+0x2c8/0x960 [ 499.687974][ T7293] kobject_add+0x16f/0x240 [ 499.692603][ T7293] ? kset_create_and_add+0x190/0x190 [ 499.698103][ T7293] ? do_raw_spin_unlock+0x173/0x230 [ 499.703516][ T7293] ? kobject_put+0xbe/0x440 [ 499.708157][ T7293] ? device_add+0xc35/0x1aa0 [ 499.712874][ T7293] device_add+0x289/0x1aa0 [ 499.717597][ T7293] ? device_initialize+0x510/0x510 [ 499.722772][ T7293] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 499.729844][ T7293] ? __init_waitqueue_head+0xca/0x150 [ 499.735445][ T7293] netdev_register_kobject+0x183/0x3f0 [ 499.741125][ T7293] register_netdevice+0xbdf/0x14a0 [ 499.746443][ T7293] ? lockdep_hardirqs_on+0x7d/0x100 [ 499.751865][ T7293] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 499.758238][ T7293] ? lapbeth_setup+0x170/0x170 [ 499.763482][ T7293] lapbeth_device_event+0x5b8/0xd40 [ 499.768824][ T7293] notifier_call_chain+0xb6/0x3b0 [ 499.773989][ T7293] ? lapbeth_xmit+0x290/0x290 [ 499.778829][ T7293] call_netdevice_notifiers_info+0xbe/0x130 [ 499.784948][ T7293] dev_open+0x13c/0x150 [ 499.789239][ T7293] ? __dev_open+0x4d0/0x4d0 [ 499.795571][ T7293] ? rcu_is_watching+0x12/0xb0 [ 499.800755][ T7293] team_add_slave+0xb4b/0x2130 [ 499.805667][ T7293] ? team_uninit+0x1c0/0x1c0 [ 499.810480][ T7293] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 499.816940][ T7293] ? validate_linkmsg+0x6fc/0x9c0 [ 499.823046][ T7293] ? team_uninit+0x1c0/0x1c0 [ 499.827693][ T7293] do_set_master+0x1c1/0x220 [ 499.833395][ T7293] __rtnl_newlink+0x14e4/0x1930 [ 499.839252][ T7293] ? rtnl_link_unregister+0x260/0x260 [ 499.844965][ T7293] rtnl_newlink+0x67/0xa0 [ 499.849506][ T7293] ? __rtnl_newlink+0x1930/0x1930 [ 499.855343][ T7293] rtnetlink_rcv_msg+0x3c7/0xe00 [ 499.860491][ T7293] ? rtnl_getlink+0xb40/0xb40 [ 499.866064][ T7293] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 499.872279][ T7293] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 499.878617][ T7293] netlink_rcv_skb+0x16b/0x440 [ 499.883867][ T7293] ? rtnl_getlink+0xb40/0xb40 [ 499.889239][ T7293] ? netlink_ack+0x1370/0x1370 [ 499.900305][ T7293] ? lock_sync+0x190/0x190 [ 499.904877][ T7293] ? netlink_deliver_tap+0x1a0/0xd00 [ 499.910364][ T7293] ? _copy_from_iter+0x2c1/0x10f0 [ 499.915452][ T7293] netlink_unicast+0x53b/0x810 [ 499.920345][ T7293] ? netlink_attachskb+0x880/0x880 [ 499.925834][ T7293] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 499.931775][ T7293] ? __phys_addr_symbol+0x30/0x70 [ 499.937028][ T7293] ? __check_object_size+0x323/0x730 [ 499.942360][ T7293] netlink_sendmsg+0x93c/0xe40 [ 499.947452][ T7293] ? netlink_unicast+0x810/0x810 [ 499.952443][ T7293] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 499.957851][ T7293] ? netlink_unicast+0x810/0x810 [ 499.963081][ T7293] __sock_sendmsg+0xd5/0x180 [ 499.967965][ T7293] ____sys_sendmsg+0x6ac/0x940 [ 499.972756][ T7293] ? copy_msghdr_from_user+0x10b/0x160 [ 499.978336][ T7293] ? kernel_sendmsg+0x50/0x50 [ 499.983215][ T7293] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 499.989450][ T7293] ___sys_sendmsg+0x135/0x1d0 [ 499.994176][ T7293] ? do_recvmmsg+0x740/0x740 [ 499.998887][ T7293] ? find_held_lock+0x2d/0x110 [ 500.004168][ T7293] ? preempt_count_sub+0x150/0x150 [ 500.009381][ T7293] ? __fget_light+0x1fc/0x260 [ 500.014378][ T7293] __sys_sendmsg+0x117/0x1e0 [ 500.019305][ T7293] ? __sys_sendmsg_sock+0x30/0x30 [ 500.024564][ T7293] ? syscall_enter_from_user_mode+0x26/0x80 [ 500.030769][ T7293] do_syscall_64+0x3f/0x110 [ 500.036392][ T7293] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 500.042628][ T7293] RIP: 0033:0x7f2631248c19 [ 500.047153][ T7293] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 500.067230][ T7293] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 500.076223][ T7293] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 500.084669][ T7293] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 500.094242][ T7293] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 500.102947][ T7293] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 500.111296][ T7293] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 500.119495][ T7293] [ 500.142585][ T7293] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 500.165351][ T7293] 8021q: adding VLAN 0 to HW filter on device batadv95 [ 500.175717][ T7293] team95: Port device batadv95 added [ 500.192820][ T7294] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 500.315500][ T7294] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 500.326933][ T7294] CPU: 1 PID: 7294 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 500.337679][ T7294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 500.348662][ T7294] Call Trace: [ 500.352304][ T7294] [ 500.355424][ T7294] dump_stack_lvl+0x125/0x1b0 [ 500.360614][ T7294] sysfs_warn_dup+0x7f/0xa0 [ 500.365626][ T7294] sysfs_create_dir_ns+0x247/0x2a0 [ 500.371159][ T7294] ? sysfs_create_mount_point+0xb0/0xb0 [ 500.377003][ T7294] ? spin_bug+0x1d0/0x1d0 [ 500.381633][ T7294] ? net_namespace+0x12/0x40 [ 500.386340][ T7294] ? device_namespace+0x8d/0xc0 [ 500.391477][ T7294] kobject_add_internal+0x2c8/0x960 [ 500.396885][ T7294] kobject_add+0x16f/0x240 [ 500.401321][ T7294] ? kset_create_and_add+0x190/0x190 [ 500.406897][ T7294] ? kobject_put+0xbe/0x440 [ 500.412020][ T7294] ? device_add+0xc35/0x1aa0 [ 500.417467][ T7294] device_add+0x289/0x1aa0 [ 500.422179][ T7294] ? device_initialize+0x510/0x510 [ 500.427654][ T7294] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 500.435882][ T7294] ? __init_waitqueue_head+0xca/0x150 [ 500.441641][ T7294] netdev_register_kobject+0x183/0x3f0 [ 500.448658][ T7294] register_netdevice+0xbdf/0x14a0 [ 500.454515][ T7294] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 500.461261][ T7294] ? alloc_netdev_mqs+0xee6/0x1290 [ 500.466895][ T7294] bpq_device_event+0x39e/0xaf0 [ 500.471899][ T7294] ? team_device_event+0x219/0x750 [ 500.478178][ T7294] notifier_call_chain+0xb6/0x3b0 [ 500.483245][ T7294] ? bpq_seq_stop+0xb0/0xb0 [ 500.487964][ T7294] call_netdevice_notifiers_info+0xbe/0x130 [ 500.494772][ T7294] dev_open+0x13c/0x150 [ 500.498975][ T7294] ? __dev_open+0x4d0/0x4d0 [ 500.503752][ T7294] ? rcu_is_watching+0x12/0xb0 [ 500.509079][ T7294] team_add_slave+0xb4b/0x2130 [ 500.513965][ T7294] ? team_uninit+0x1c0/0x1c0 [ 500.518750][ T7294] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 500.524671][ T7294] ? validate_linkmsg+0x6fc/0x9c0 [ 500.529989][ T7294] ? team_uninit+0x1c0/0x1c0 [ 500.534772][ T7294] do_set_master+0x1c1/0x220 [ 500.539397][ T7294] __rtnl_newlink+0x14e4/0x1930 [ 500.544622][ T7294] ? rtnl_link_unregister+0x260/0x260 [ 500.550603][ T7294] rtnl_newlink+0x67/0xa0 [ 500.555119][ T7294] ? __rtnl_newlink+0x1930/0x1930 [ 500.560161][ T7294] rtnetlink_rcv_msg+0x3c7/0xe00 [ 500.565111][ T7294] ? rtnl_getlink+0xb40/0xb40 [ 500.570493][ T7294] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 500.576596][ T7294] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 500.583116][ T7294] netlink_rcv_skb+0x16b/0x440 [ 500.588698][ T7294] ? rtnl_getlink+0xb40/0xb40 [ 500.593829][ T7294] ? netlink_ack+0x1370/0x1370 [ 500.599229][ T7294] ? lock_sync+0x190/0x190 [ 500.604043][ T7294] ? netlink_deliver_tap+0x1a0/0xd00 [ 500.610870][ T7294] ? _copy_from_iter+0x2c1/0x10f0 [ 500.616162][ T7294] netlink_unicast+0x53b/0x810 [ 500.621309][ T7294] ? netlink_attachskb+0x880/0x880 [ 500.627486][ T7294] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 500.633651][ T7294] ? __phys_addr_symbol+0x30/0x70 [ 500.639239][ T7294] ? __check_object_size+0x323/0x730 [ 500.645019][ T7294] netlink_sendmsg+0x93c/0xe40 [ 500.649838][ T7294] ? netlink_unicast+0x810/0x810 [ 500.656053][ T7294] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 500.661717][ T7294] ? netlink_unicast+0x810/0x810 [ 500.666885][ T7294] __sock_sendmsg+0xd5/0x180 [ 500.671583][ T7294] ____sys_sendmsg+0x6ac/0x940 [ 500.676893][ T7294] ? copy_msghdr_from_user+0x10b/0x160 [ 500.683152][ T7294] ? kernel_sendmsg+0x50/0x50 [ 500.689500][ T7294] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 500.696679][ T7294] ___sys_sendmsg+0x135/0x1d0 [ 500.701724][ T7294] ? do_recvmmsg+0x740/0x740 [ 500.707229][ T7294] ? find_held_lock+0x2d/0x110 [ 500.714560][ T7294] ? preempt_count_sub+0x150/0x150 [ 500.720404][ T7294] ? __fget_light+0x1fc/0x260 [ 500.725464][ T7294] __sys_sendmsg+0x117/0x1e0 [ 500.730273][ T7294] ? __sys_sendmsg_sock+0x30/0x30 [ 500.735747][ T7294] ? syscall_enter_from_user_mode+0x26/0x80 [ 500.742728][ T7294] do_syscall_64+0x3f/0x110 [ 500.747516][ T7294] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 500.753422][ T7294] RIP: 0033:0x7f2631248c19 [ 500.757844][ T7294] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 500.778466][ T7294] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 500.787263][ T7294] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 500.795422][ T7294] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 500.803672][ T7294] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 500.811650][ T7294] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 500.820159][ T7294] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 500.828327][ T7294] [ 500.849775][ T7294] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 500.866841][ T7294] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 500.877042][ T7294] CPU: 1 PID: 7294 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 500.887953][ T7294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 500.899430][ T7294] Call Trace: [ 500.902966][ T7294] [ 500.906069][ T7294] dump_stack_lvl+0x125/0x1b0 [ 500.910801][ T7294] sysfs_warn_dup+0x7f/0xa0 [ 500.915522][ T7294] sysfs_create_dir_ns+0x247/0x2a0 [ 500.920782][ T7294] ? sysfs_create_mount_point+0xb0/0xb0 [ 500.926458][ T7294] ? spin_bug+0x1d0/0x1d0 [ 500.931263][ T7294] ? net_namespace+0x12/0x40 [ 500.936233][ T7294] ? device_namespace+0x8d/0xc0 [ 500.941226][ T7294] kobject_add_internal+0x2c8/0x960 [ 500.946919][ T7294] kobject_add+0x16f/0x240 [ 500.952271][ T7294] ? kset_create_and_add+0x190/0x190 [ 500.958693][ T7294] ? do_raw_spin_unlock+0x173/0x230 [ 500.965513][ T7294] ? kobject_put+0xbe/0x440 [ 500.970239][ T7294] ? device_add+0xc35/0x1aa0 [ 500.975132][ T7294] device_add+0x289/0x1aa0 [ 500.979585][ T7294] ? device_initialize+0x510/0x510 [ 500.984876][ T7294] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 500.992206][ T7294] ? __init_waitqueue_head+0xca/0x150 [ 500.997627][ T7294] netdev_register_kobject+0x183/0x3f0 [ 501.003133][ T7294] register_netdevice+0xbdf/0x14a0 [ 501.008295][ T7294] ? lockdep_hardirqs_on+0x7d/0x100 [ 501.013616][ T7294] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 501.019731][ T7294] ? lapbeth_setup+0x170/0x170 [ 501.024955][ T7294] lapbeth_device_event+0x5b8/0xd40 [ 501.030215][ T7294] notifier_call_chain+0xb6/0x3b0 [ 501.035648][ T7294] ? lapbeth_xmit+0x290/0x290 [ 501.041101][ T7294] call_netdevice_notifiers_info+0xbe/0x130 [ 501.047859][ T7294] dev_open+0x13c/0x150 [ 501.052239][ T7294] ? __dev_open+0x4d0/0x4d0 [ 501.056788][ T7294] ? rcu_is_watching+0x12/0xb0 [ 501.061950][ T7294] team_add_slave+0xb4b/0x2130 [ 501.066967][ T7294] ? team_uninit+0x1c0/0x1c0 [ 501.072378][ T7294] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 501.079285][ T7294] ? validate_linkmsg+0x6fc/0x9c0 [ 501.085451][ T7294] ? team_uninit+0x1c0/0x1c0 [ 501.092930][ T7294] do_set_master+0x1c1/0x220 [ 501.101138][ T7294] __rtnl_newlink+0x14e4/0x1930 [ 501.107865][ T7294] ? rtnl_link_unregister+0x260/0x260 [ 501.113862][ T7294] rtnl_newlink+0x67/0xa0 [ 501.118863][ T7294] ? __rtnl_newlink+0x1930/0x1930 [ 501.124452][ T7294] rtnetlink_rcv_msg+0x3c7/0xe00 [ 501.129624][ T7294] ? rtnl_getlink+0xb40/0xb40 [ 501.135480][ T7294] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 501.142157][ T7294] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 501.149467][ T7294] netlink_rcv_skb+0x16b/0x440 [ 501.154809][ T7294] ? rtnl_getlink+0xb40/0xb40 [ 501.160233][ T7294] ? netlink_ack+0x1370/0x1370 [ 501.165137][ T7294] ? lock_sync+0x190/0x190 [ 501.170056][ T7294] ? netlink_deliver_tap+0x1a0/0xd00 [ 501.177451][ T7294] ? _copy_from_iter+0x2c1/0x10f0 [ 501.182852][ T7294] netlink_unicast+0x53b/0x810 [ 501.187725][ T7294] ? netlink_attachskb+0x880/0x880 [ 501.192887][ T7294] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 501.199099][ T7294] ? __phys_addr_symbol+0x30/0x70 [ 501.204576][ T7294] ? __check_object_size+0x323/0x730 [ 501.210554][ T7294] netlink_sendmsg+0x93c/0xe40 [ 501.215807][ T7294] ? netlink_unicast+0x810/0x810 [ 501.220968][ T7294] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 501.226293][ T7294] ? netlink_unicast+0x810/0x810 [ 501.231324][ T7294] __sock_sendmsg+0xd5/0x180 [ 501.235953][ T7294] ____sys_sendmsg+0x6ac/0x940 [ 501.240751][ T7294] ? copy_msghdr_from_user+0x10b/0x160 [ 501.246601][ T7294] ? kernel_sendmsg+0x50/0x50 [ 501.251496][ T7294] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 501.257714][ T7294] ___sys_sendmsg+0x135/0x1d0 [ 501.262727][ T7294] ? do_recvmmsg+0x740/0x740 [ 501.267535][ T7294] ? find_held_lock+0x2d/0x110 [ 501.272630][ T7294] ? preempt_count_sub+0x150/0x150 [ 501.277972][ T7294] ? __fget_light+0x1fc/0x260 [ 501.282869][ T7294] __sys_sendmsg+0x117/0x1e0 [ 501.288018][ T7294] ? __sys_sendmsg_sock+0x30/0x30 [ 501.293360][ T7294] ? syscall_enter_from_user_mode+0x26/0x80 [ 501.299406][ T7294] do_syscall_64+0x3f/0x110 [ 501.304142][ T7294] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 501.310503][ T7294] RIP: 0033:0x7f2631248c19 [ 501.315552][ T7294] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 501.336258][ T7294] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 501.344869][ T7294] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 501.352884][ T7294] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 501.361099][ T7294] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 501.369460][ T7294] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 501.377738][ T7294] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 501.386395][ T7294] [ 501.390091][ T7294] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 501.413599][ T7294] 8021q: adding VLAN 0 to HW filter on device batadv96 [ 501.424837][ T7294] team96: Port device batadv96 added [ 501.457967][ T7295] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 501.556770][ T7295] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 501.569865][ T7295] CPU: 1 PID: 7295 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 501.580986][ T7295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 501.593262][ T7295] Call Trace: [ 501.596938][ T7295] [ 501.600093][ T7295] dump_stack_lvl+0x125/0x1b0 [ 501.604832][ T7295] sysfs_warn_dup+0x7f/0xa0 [ 501.609670][ T7295] sysfs_create_dir_ns+0x247/0x2a0 [ 501.615270][ T7295] ? sysfs_create_mount_point+0xb0/0xb0 [ 501.620946][ T7295] ? spin_bug+0x1d0/0x1d0 [ 501.625768][ T7295] ? net_namespace+0x12/0x40 [ 501.630406][ T7295] ? device_namespace+0x8d/0xc0 [ 501.635843][ T7295] kobject_add_internal+0x2c8/0x960 [ 501.641640][ T7295] kobject_add+0x16f/0x240 [ 501.646185][ T7295] ? kset_create_and_add+0x190/0x190 [ 501.651769][ T7295] ? do_raw_spin_unlock+0x173/0x230 [ 501.657346][ T7295] ? kobject_put+0xbe/0x440 [ 501.662823][ T7295] ? device_add+0xc35/0x1aa0 [ 501.667693][ T7295] device_add+0x289/0x1aa0 [ 501.672498][ T7295] ? device_initialize+0x510/0x510 [ 501.677906][ T7295] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 501.685043][ T7295] ? __init_waitqueue_head+0xca/0x150 [ 501.690799][ T7295] netdev_register_kobject+0x183/0x3f0 [ 501.697189][ T7295] register_netdevice+0xbdf/0x14a0 [ 501.702676][ T7295] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 501.709047][ T7295] ? alloc_netdev_mqs+0xee6/0x1290 [ 501.714457][ T7295] bpq_device_event+0x39e/0xaf0 [ 501.719604][ T7295] ? team_device_event+0x219/0x750 [ 501.724744][ T7295] notifier_call_chain+0xb6/0x3b0 [ 501.729786][ T7295] ? bpq_seq_stop+0xb0/0xb0 [ 501.734483][ T7295] call_netdevice_notifiers_info+0xbe/0x130 [ 501.740484][ T7295] dev_open+0x13c/0x150 [ 501.744659][ T7295] ? __dev_open+0x4d0/0x4d0 [ 501.749168][ T7295] ? rcu_is_watching+0x12/0xb0 [ 501.753948][ T7295] team_add_slave+0xb4b/0x2130 [ 501.758831][ T7295] ? team_uninit+0x1c0/0x1c0 [ 501.763787][ T7295] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 501.769872][ T7295] ? validate_linkmsg+0x6fc/0x9c0 [ 501.775200][ T7295] ? team_uninit+0x1c0/0x1c0 [ 501.779811][ T7295] do_set_master+0x1c1/0x220 [ 501.784948][ T7295] __rtnl_newlink+0x14e4/0x1930 [ 501.789917][ T7295] ? rtnl_link_unregister+0x260/0x260 [ 501.795855][ T7295] rtnl_newlink+0x67/0xa0 [ 501.800381][ T7295] ? __rtnl_newlink+0x1930/0x1930 [ 501.805855][ T7295] rtnetlink_rcv_msg+0x3c7/0xe00 [ 501.810984][ T7295] ? rtnl_getlink+0xb40/0xb40 [ 501.815934][ T7295] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 501.822019][ T7295] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 501.828228][ T7295] netlink_rcv_skb+0x16b/0x440 [ 501.833316][ T7295] ? rtnl_getlink+0xb40/0xb40 [ 501.838101][ T7295] ? netlink_ack+0x1370/0x1370 [ 501.842997][ T7295] ? lock_sync+0x190/0x190 [ 501.847649][ T7295] ? netlink_deliver_tap+0x1a0/0xd00 [ 501.853490][ T7295] ? _copy_from_iter+0x2c1/0x10f0 [ 501.858636][ T7295] netlink_unicast+0x53b/0x810 [ 501.863594][ T7295] ? netlink_attachskb+0x880/0x880 [ 501.868907][ T7295] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 501.875088][ T7295] ? __phys_addr_symbol+0x30/0x70 [ 501.880590][ T7295] ? __check_object_size+0x323/0x730 [ 501.886085][ T7295] netlink_sendmsg+0x93c/0xe40 [ 501.891158][ T7295] ? netlink_unicast+0x810/0x810 [ 501.896589][ T7295] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 501.902067][ T7295] ? netlink_unicast+0x810/0x810 [ 501.907409][ T7295] __sock_sendmsg+0xd5/0x180 [ 501.912014][ T7295] ____sys_sendmsg+0x6ac/0x940 [ 501.916875][ T7295] ? copy_msghdr_from_user+0x10b/0x160 [ 501.922524][ T7295] ? kernel_sendmsg+0x50/0x50 [ 501.927387][ T7295] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 501.933915][ T7295] ___sys_sendmsg+0x135/0x1d0 [ 501.938852][ T7295] ? do_recvmmsg+0x740/0x740 [ 501.943902][ T7295] ? find_held_lock+0x2d/0x110 [ 501.948880][ T7295] ? preempt_count_sub+0x150/0x150 [ 501.954115][ T7295] ? __fget_light+0x1fc/0x260 [ 501.959166][ T7295] __sys_sendmsg+0x117/0x1e0 [ 501.964035][ T7295] ? __sys_sendmsg_sock+0x30/0x30 [ 501.969205][ T7295] ? syscall_enter_from_user_mode+0x26/0x80 [ 501.975215][ T7295] do_syscall_64+0x3f/0x110 [ 501.980005][ T7295] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 501.986282][ T7295] RIP: 0033:0x7f2631248c19 [ 501.991057][ T7295] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 502.011937][ T7295] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 502.021323][ T7295] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 502.029828][ T7295] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 502.039486][ T7295] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 502.048449][ T7295] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 502.056715][ T7295] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 502.064918][ T7295] [ 502.069749][ T7295] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 502.099234][ T7295] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 502.110860][ T7295] CPU: 0 PID: 7295 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 502.121077][ T7295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 502.131957][ T7295] Call Trace: [ 502.136048][ T7295] [ 502.138999][ T7295] dump_stack_lvl+0x125/0x1b0 [ 502.143978][ T7295] sysfs_warn_dup+0x7f/0xa0 [ 502.148787][ T7295] sysfs_create_dir_ns+0x247/0x2a0 [ 502.154202][ T7295] ? sysfs_create_mount_point+0xb0/0xb0 [ 502.159791][ T7295] ? spin_bug+0x1d0/0x1d0 [ 502.164259][ T7295] ? net_namespace+0x12/0x40 [ 502.168877][ T7295] ? device_namespace+0x8d/0xc0 [ 502.174132][ T7295] kobject_add_internal+0x2c8/0x960 [ 502.179646][ T7295] kobject_add+0x16f/0x240 [ 502.184976][ T7295] ? kset_create_and_add+0x190/0x190 [ 502.190392][ T7295] ? do_raw_spin_unlock+0x173/0x230 [ 502.195642][ T7295] ? kobject_put+0xbe/0x440 [ 502.200291][ T7295] ? device_add+0xc35/0x1aa0 [ 502.205192][ T7295] device_add+0x289/0x1aa0 [ 502.209731][ T7295] ? device_initialize+0x510/0x510 [ 502.215149][ T7295] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 502.222484][ T7295] ? __init_waitqueue_head+0xca/0x150 [ 502.228109][ T7295] netdev_register_kobject+0x183/0x3f0 [ 502.234752][ T7295] register_netdevice+0xbdf/0x14a0 [ 502.239905][ T7295] ? lockdep_hardirqs_on+0x7d/0x100 [ 502.245280][ T7295] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 502.251563][ T7295] ? lapbeth_setup+0x170/0x170 [ 502.256547][ T7295] lapbeth_device_event+0x5b8/0xd40 [ 502.262227][ T7295] notifier_call_chain+0xb6/0x3b0 [ 502.267468][ T7295] ? lapbeth_xmit+0x290/0x290 [ 502.272536][ T7295] call_netdevice_notifiers_info+0xbe/0x130 [ 502.279437][ T7295] dev_open+0x13c/0x150 [ 502.283714][ T7295] ? __dev_open+0x4d0/0x4d0 [ 502.288427][ T7295] ? rcu_is_watching+0x12/0xb0 [ 502.293582][ T7295] team_add_slave+0xb4b/0x2130 [ 502.298669][ T7295] ? team_uninit+0x1c0/0x1c0 [ 502.303405][ T7295] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 502.309356][ T7295] ? validate_linkmsg+0x6fc/0x9c0 [ 502.314589][ T7295] ? team_uninit+0x1c0/0x1c0 [ 502.319408][ T7295] do_set_master+0x1c1/0x220 [ 502.324050][ T7295] __rtnl_newlink+0x14e4/0x1930 [ 502.329386][ T7295] ? rtnl_link_unregister+0x260/0x260 [ 502.334939][ T7295] rtnl_newlink+0x67/0xa0 [ 502.339324][ T7295] ? __rtnl_newlink+0x1930/0x1930 [ 502.344731][ T7295] rtnetlink_rcv_msg+0x3c7/0xe00 [ 502.349965][ T7295] ? rtnl_getlink+0xb40/0xb40 [ 502.354846][ T7295] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 502.361132][ T7295] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 502.367797][ T7295] netlink_rcv_skb+0x16b/0x440 [ 502.372617][ T7295] ? rtnl_getlink+0xb40/0xb40 [ 502.377332][ T7295] ? netlink_ack+0x1370/0x1370 [ 502.382405][ T7295] ? lock_sync+0x190/0x190 [ 502.386988][ T7295] ? netlink_deliver_tap+0x1a0/0xd00 [ 502.392487][ T7295] ? _copy_from_iter+0x2c1/0x10f0 [ 502.397752][ T7295] netlink_unicast+0x53b/0x810 [ 502.402938][ T7295] ? netlink_attachskb+0x880/0x880 [ 502.408270][ T7295] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 502.415074][ T7295] ? __phys_addr_symbol+0x30/0x70 [ 502.420411][ T7295] ? __check_object_size+0x323/0x730 [ 502.426282][ T7295] netlink_sendmsg+0x93c/0xe40 [ 502.431115][ T7295] ? netlink_unicast+0x810/0x810 [ 502.436362][ T7295] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 502.441955][ T7295] ? netlink_unicast+0x810/0x810 [ 502.447222][ T7295] __sock_sendmsg+0xd5/0x180 [ 502.451947][ T7295] ____sys_sendmsg+0x6ac/0x940 [ 502.457369][ T7295] ? copy_msghdr_from_user+0x10b/0x160 [ 502.462919][ T7295] ? kernel_sendmsg+0x50/0x50 [ 502.468183][ T7295] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 502.474695][ T7295] ___sys_sendmsg+0x135/0x1d0 [ 502.479611][ T7295] ? do_recvmmsg+0x740/0x740 [ 502.484264][ T7295] ? find_held_lock+0x2d/0x110 [ 502.489266][ T7295] ? preempt_count_sub+0x150/0x150 [ 502.494613][ T7295] ? __fget_light+0x1fc/0x260 [ 502.499619][ T7295] __sys_sendmsg+0x117/0x1e0 [ 502.504339][ T7295] ? __sys_sendmsg_sock+0x30/0x30 [ 502.509795][ T7295] ? syscall_enter_from_user_mode+0x26/0x80 [ 502.515906][ T7295] do_syscall_64+0x3f/0x110 [ 502.520626][ T7295] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 502.526792][ T7295] RIP: 0033:0x7f2631248c19 [ 502.531610][ T7295] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 502.552651][ T7295] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 502.565101][ T7295] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 502.573622][ T7295] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 502.581968][ T7295] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 502.590245][ T7295] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 502.599738][ T7295] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 502.608132][ T7295] [ 502.614091][ T1240] ieee802154 phy0 wpan0: encryption failed: -22 [ 502.620725][ T1240] ieee802154 phy1 wpan1: encryption failed: -22 [ 502.645686][ T7295] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 502.668199][ T7295] 8021q: adding VLAN 0 to HW filter on device batadv97 [ 502.678931][ T7295] team97: Port device batadv97 added [ 502.707849][ T7296] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 502.823061][ T7296] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 502.838131][ T7296] CPU: 0 PID: 7296 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 502.849441][ T7296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 502.862224][ T7296] Call Trace: [ 502.866062][ T7296] [ 502.869185][ T7296] dump_stack_lvl+0x125/0x1b0 [ 502.874246][ T7296] sysfs_warn_dup+0x7f/0xa0 [ 502.879936][ T7296] sysfs_create_dir_ns+0x247/0x2a0 [ 502.885382][ T7296] ? sysfs_create_mount_point+0xb0/0xb0 [ 502.891333][ T7296] ? spin_bug+0x1d0/0x1d0 [ 502.896517][ T7296] ? net_namespace+0x12/0x40 [ 502.901496][ T7296] ? device_namespace+0x8d/0xc0 [ 502.907355][ T7296] kobject_add_internal+0x2c8/0x960 [ 502.913052][ T7296] kobject_add+0x16f/0x240 [ 502.917675][ T7296] ? kset_create_and_add+0x190/0x190 [ 502.923171][ T7296] ? do_raw_spin_unlock+0x173/0x230 [ 502.929284][ T7296] ? kobject_put+0xbe/0x440 [ 502.934534][ T7296] ? device_add+0xc35/0x1aa0 [ 502.939324][ T7296] device_add+0x289/0x1aa0 [ 502.943782][ T7296] ? device_initialize+0x510/0x510 [ 502.949211][ T7296] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 502.956556][ T7296] ? __init_waitqueue_head+0xca/0x150 [ 502.962260][ T7296] netdev_register_kobject+0x183/0x3f0 [ 502.968216][ T7296] register_netdevice+0xbdf/0x14a0 [ 502.974027][ T7296] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 502.980221][ T7296] ? alloc_netdev_mqs+0xee6/0x1290 [ 502.985903][ T7296] bpq_device_event+0x39e/0xaf0 [ 502.990897][ T7296] ? team_device_event+0x219/0x750 [ 502.996579][ T7296] notifier_call_chain+0xb6/0x3b0 [ 503.001819][ T7296] ? bpq_seq_stop+0xb0/0xb0 [ 503.006622][ T7296] call_netdevice_notifiers_info+0xbe/0x130 [ 503.012795][ T7296] dev_open+0x13c/0x150 [ 503.017828][ T7296] ? __dev_open+0x4d0/0x4d0 [ 503.023239][ T7296] ? rcu_is_watching+0x12/0xb0 [ 503.028393][ T7296] team_add_slave+0xb4b/0x2130 [ 503.035267][ T7296] ? team_uninit+0x1c0/0x1c0 [ 503.041738][ T7296] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 503.048642][ T7296] ? validate_linkmsg+0x6fc/0x9c0 [ 503.057310][ T7296] ? team_uninit+0x1c0/0x1c0 [ 503.063278][ T7296] do_set_master+0x1c1/0x220 [ 503.069340][ T7296] __rtnl_newlink+0x14e4/0x1930 [ 503.075654][ T7296] ? rtnl_link_unregister+0x260/0x260 [ 503.081824][ T7296] rtnl_newlink+0x67/0xa0 [ 503.086861][ T7296] ? __rtnl_newlink+0x1930/0x1930 [ 503.092440][ T7296] rtnetlink_rcv_msg+0x3c7/0xe00 [ 503.098038][ T7296] ? rtnl_getlink+0xb40/0xb40 [ 503.103397][ T7296] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 503.110305][ T7296] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 503.116826][ T7296] netlink_rcv_skb+0x16b/0x440 [ 503.122214][ T7296] ? rtnl_getlink+0xb40/0xb40 [ 503.127445][ T7296] ? netlink_ack+0x1370/0x1370 [ 503.132954][ T7296] ? lock_sync+0x190/0x190 [ 503.138303][ T7296] ? netlink_deliver_tap+0x1a0/0xd00 [ 503.143989][ T7296] ? _copy_from_iter+0x2c1/0x10f0 [ 503.149062][ T7296] netlink_unicast+0x53b/0x810 [ 503.153944][ T7296] ? netlink_attachskb+0x880/0x880 [ 503.159335][ T7296] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 503.165884][ T7296] ? __phys_addr_symbol+0x30/0x70 [ 503.171331][ T7296] ? __check_object_size+0x323/0x730 [ 503.177185][ T7296] netlink_sendmsg+0x93c/0xe40 [ 503.183036][ T7296] ? netlink_unicast+0x810/0x810 [ 503.188051][ T7296] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 503.193735][ T7296] ? netlink_unicast+0x810/0x810 [ 503.198837][ T7296] __sock_sendmsg+0xd5/0x180 [ 503.203931][ T7296] ____sys_sendmsg+0x6ac/0x940 [ 503.208983][ T7296] ? copy_msghdr_from_user+0x10b/0x160 [ 503.215162][ T7296] ? kernel_sendmsg+0x50/0x50 [ 503.220310][ T7296] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 503.226630][ T7296] ___sys_sendmsg+0x135/0x1d0 [ 503.232373][ T7296] ? do_recvmmsg+0x740/0x740 [ 503.237153][ T7296] ? find_held_lock+0x2d/0x110 [ 503.241956][ T7296] ? preempt_count_sub+0x150/0x150 [ 503.247116][ T7296] ? __fget_light+0x1fc/0x260 [ 503.252388][ T7296] __sys_sendmsg+0x117/0x1e0 [ 503.257217][ T7296] ? __sys_sendmsg_sock+0x30/0x30 [ 503.262741][ T7296] ? syscall_enter_from_user_mode+0x26/0x80 [ 503.268953][ T7296] do_syscall_64+0x3f/0x110 [ 503.273750][ T7296] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 503.280098][ T7296] RIP: 0033:0x7f2631248c19 [ 503.284524][ T7296] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 503.308407][ T7296] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 503.317097][ T7296] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 503.325705][ T7296] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 503.335842][ T7296] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 503.344015][ T7296] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 503.352459][ T7296] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 503.360549][ T7296] [ 503.367444][ T7296] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 503.385490][ T7296] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 503.395344][ T7296] CPU: 0 PID: 7296 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 503.405986][ T7296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 503.417208][ T7296] Call Trace: [ 503.421725][ T7296] [ 503.425814][ T7296] dump_stack_lvl+0x125/0x1b0 [ 503.431514][ T7296] sysfs_warn_dup+0x7f/0xa0 [ 503.436724][ T7296] sysfs_create_dir_ns+0x247/0x2a0 [ 503.442394][ T7296] ? sysfs_create_mount_point+0xb0/0xb0 [ 503.449041][ T7296] ? spin_bug+0x1d0/0x1d0 [ 503.453987][ T7296] ? net_namespace+0x12/0x40 [ 503.458898][ T7296] ? device_namespace+0x8d/0xc0 [ 503.464866][ T7296] kobject_add_internal+0x2c8/0x960 [ 503.470652][ T7296] kobject_add+0x16f/0x240 [ 503.475822][ T7296] ? kset_create_and_add+0x190/0x190 [ 503.481332][ T7296] ? do_raw_spin_unlock+0x173/0x230 [ 503.486666][ T7296] ? kobject_put+0xbe/0x440 [ 503.491388][ T7296] ? device_add+0xc35/0x1aa0 [ 503.496022][ T7296] device_add+0x289/0x1aa0 [ 503.500875][ T7296] ? device_initialize+0x510/0x510 [ 503.509861][ T7296] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 503.517040][ T7296] ? __init_waitqueue_head+0xca/0x150 [ 503.522590][ T7296] netdev_register_kobject+0x183/0x3f0 [ 503.528455][ T7296] register_netdevice+0xbdf/0x14a0 [ 503.533878][ T7296] ? lockdep_hardirqs_on+0x7d/0x100 [ 503.539384][ T7296] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 503.545316][ T7296] ? lapbeth_setup+0x170/0x170 [ 503.550489][ T7296] lapbeth_device_event+0x5b8/0xd40 [ 503.555842][ T7296] notifier_call_chain+0xb6/0x3b0 [ 503.560931][ T7296] ? lapbeth_xmit+0x290/0x290 [ 503.565850][ T7296] call_netdevice_notifiers_info+0xbe/0x130 [ 503.571889][ T7296] dev_open+0x13c/0x150 [ 503.576083][ T7296] ? __dev_open+0x4d0/0x4d0 [ 503.580814][ T7296] ? rcu_is_watching+0x12/0xb0 [ 503.587287][ T7296] team_add_slave+0xb4b/0x2130 [ 503.592372][ T7296] ? team_uninit+0x1c0/0x1c0 [ 503.597184][ T7296] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 503.603399][ T7296] ? validate_linkmsg+0x6fc/0x9c0 [ 503.608505][ T7296] ? team_uninit+0x1c0/0x1c0 [ 503.613489][ T7296] do_set_master+0x1c1/0x220 [ 503.618499][ T7296] __rtnl_newlink+0x14e4/0x1930 [ 503.623542][ T7296] ? rtnl_link_unregister+0x260/0x260 [ 503.629262][ T7296] rtnl_newlink+0x67/0xa0 [ 503.633824][ T7296] ? __rtnl_newlink+0x1930/0x1930 [ 503.639674][ T7296] rtnetlink_rcv_msg+0x3c7/0xe00 [ 503.644743][ T7296] ? rtnl_getlink+0xb40/0xb40 [ 503.649463][ T7296] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 503.656014][ T7296] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 503.662326][ T7296] netlink_rcv_skb+0x16b/0x440 [ 503.667654][ T7296] ? rtnl_getlink+0xb40/0xb40 [ 503.672991][ T7296] ? netlink_ack+0x1370/0x1370 [ 503.677883][ T7296] ? lock_sync+0x190/0x190 [ 503.682365][ T7296] ? netlink_deliver_tap+0x1a0/0xd00 [ 503.688036][ T7296] ? _copy_from_iter+0x2c1/0x10f0 [ 503.694066][ T7296] netlink_unicast+0x53b/0x810 [ 503.699145][ T7296] ? netlink_attachskb+0x880/0x880 [ 503.706371][ T7296] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 503.712504][ T7296] ? __phys_addr_symbol+0x30/0x70 [ 503.717751][ T7296] ? __check_object_size+0x323/0x730 [ 503.723343][ T7296] netlink_sendmsg+0x93c/0xe40 [ 503.728254][ T7296] ? netlink_unicast+0x810/0x810 [ 503.733491][ T7296] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 503.738991][ T7296] ? netlink_unicast+0x810/0x810 [ 503.744074][ T7296] __sock_sendmsg+0xd5/0x180 [ 503.748883][ T7296] ____sys_sendmsg+0x6ac/0x940 [ 503.753936][ T7296] ? copy_msghdr_from_user+0x10b/0x160 [ 503.759619][ T7296] ? kernel_sendmsg+0x50/0x50 [ 503.764689][ T7296] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 503.770736][ T7296] ___sys_sendmsg+0x135/0x1d0 [ 503.775467][ T7296] ? do_recvmmsg+0x740/0x740 [ 503.780111][ T7296] ? find_held_lock+0x2d/0x110 [ 503.785253][ T7296] ? preempt_count_sub+0x150/0x150 [ 503.790674][ T7296] ? __fget_light+0x1fc/0x260 [ 503.795456][ T7296] __sys_sendmsg+0x117/0x1e0 [ 503.800193][ T7296] ? __sys_sendmsg_sock+0x30/0x30 [ 503.805937][ T7296] ? syscall_enter_from_user_mode+0x26/0x80 [ 503.812058][ T7296] do_syscall_64+0x3f/0x110 [ 503.816782][ T7296] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 503.826969][ T7296] RIP: 0033:0x7f2631248c19 [ 503.831412][ T7296] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 503.851314][ T7296] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 503.859762][ T7296] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 503.868374][ T7296] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 503.876721][ T7296] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 503.885239][ T7296] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 503.894273][ T7296] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 503.903599][ T7296] [ 503.914144][ T7296] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 503.939091][ T7296] 8021q: adding VLAN 0 to HW filter on device batadv98 [ 503.952281][ T7296] team98: Port device batadv98 added [ 503.975860][ T7297] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 504.086738][ T7297] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 504.097833][ T7297] CPU: 0 PID: 7297 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 504.109441][ T7297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 504.120782][ T7297] Call Trace: [ 504.124263][ T7297] [ 504.127337][ T7297] dump_stack_lvl+0x125/0x1b0 [ 504.132340][ T7297] sysfs_warn_dup+0x7f/0xa0 [ 504.137464][ T7297] sysfs_create_dir_ns+0x247/0x2a0 [ 504.143164][ T7297] ? sysfs_create_mount_point+0xb0/0xb0 [ 504.148960][ T7297] ? spin_bug+0x1d0/0x1d0 [ 504.153394][ T7297] ? net_namespace+0x12/0x40 [ 504.158570][ T7297] ? device_namespace+0x8d/0xc0 [ 504.163648][ T7297] kobject_add_internal+0x2c8/0x960 [ 504.169196][ T7297] kobject_add+0x16f/0x240 [ 504.173764][ T7297] ? kset_create_and_add+0x190/0x190 [ 504.179421][ T7297] ? do_raw_spin_unlock+0x173/0x230 [ 504.185249][ T7297] ? kobject_put+0xbe/0x440 [ 504.189861][ T7297] ? device_add+0xc35/0x1aa0 [ 504.194979][ T7297] device_add+0x289/0x1aa0 [ 504.201320][ T7297] ? device_initialize+0x510/0x510 [ 504.207807][ T7297] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 504.214989][ T7297] ? __init_waitqueue_head+0xca/0x150 [ 504.221857][ T7297] netdev_register_kobject+0x183/0x3f0 [ 504.229232][ T7297] register_netdevice+0xbdf/0x14a0 [ 504.235493][ T7297] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 504.242786][ T7297] ? alloc_netdev_mqs+0xee6/0x1290 [ 504.248371][ T7297] bpq_device_event+0x39e/0xaf0 [ 504.254126][ T7297] ? team_device_event+0x219/0x750 [ 504.259559][ T7297] notifier_call_chain+0xb6/0x3b0 [ 504.267186][ T7297] ? bpq_seq_stop+0xb0/0xb0 [ 504.272665][ T7297] call_netdevice_notifiers_info+0xbe/0x130 [ 504.280196][ T7297] dev_open+0x13c/0x150 [ 504.285392][ T7297] ? __dev_open+0x4d0/0x4d0 [ 504.290649][ T7297] ? rcu_is_watching+0x12/0xb0 [ 504.298383][ T7297] team_add_slave+0xb4b/0x2130 [ 504.304989][ T7297] ? team_uninit+0x1c0/0x1c0 [ 504.310619][ T7297] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 504.317706][ T7297] ? validate_linkmsg+0x6fc/0x9c0 [ 504.323167][ T7297] ? team_uninit+0x1c0/0x1c0 [ 504.328670][ T7297] do_set_master+0x1c1/0x220 [ 504.333503][ T7297] __rtnl_newlink+0x14e4/0x1930 [ 504.338665][ T7297] ? rtnl_link_unregister+0x260/0x260 [ 504.344468][ T7297] rtnl_newlink+0x67/0xa0 [ 504.349021][ T7297] ? __rtnl_newlink+0x1930/0x1930 [ 504.354427][ T7297] rtnetlink_rcv_msg+0x3c7/0xe00 [ 504.359765][ T7297] ? rtnl_getlink+0xb40/0xb40 [ 504.365008][ T7297] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 504.371758][ T7297] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 504.378958][ T7297] netlink_rcv_skb+0x16b/0x440 [ 504.384332][ T7297] ? rtnl_getlink+0xb40/0xb40 [ 504.389310][ T7297] ? netlink_ack+0x1370/0x1370 [ 504.394315][ T7297] ? lock_sync+0x190/0x190 [ 504.398977][ T7297] ? netlink_deliver_tap+0x1a0/0xd00 [ 504.404744][ T7297] ? _copy_from_iter+0x2c1/0x10f0 [ 504.410780][ T7297] netlink_unicast+0x53b/0x810 [ 504.416103][ T7297] ? netlink_attachskb+0x880/0x880 [ 504.423265][ T7297] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 504.430900][ T7297] ? __phys_addr_symbol+0x30/0x70 [ 504.436585][ T7297] ? __check_object_size+0x323/0x730 [ 504.442193][ T7297] netlink_sendmsg+0x93c/0xe40 [ 504.447310][ T7297] ? netlink_unicast+0x810/0x810 [ 504.452756][ T7297] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 504.459658][ T7297] ? netlink_unicast+0x810/0x810 [ 504.465061][ T7297] __sock_sendmsg+0xd5/0x180 [ 504.470211][ T7297] ____sys_sendmsg+0x6ac/0x940 [ 504.475030][ T7297] ? copy_msghdr_from_user+0x10b/0x160 [ 504.481160][ T7297] ? kernel_sendmsg+0x50/0x50 [ 504.486244][ T7297] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 504.493042][ T7297] ___sys_sendmsg+0x135/0x1d0 [ 504.498303][ T7297] ? do_recvmmsg+0x740/0x740 [ 504.503360][ T7297] ? find_held_lock+0x2d/0x110 [ 504.508399][ T7297] ? preempt_count_sub+0x150/0x150 [ 504.513779][ T7297] ? __fget_light+0x1fc/0x260 [ 504.518533][ T7297] __sys_sendmsg+0x117/0x1e0 [ 504.523163][ T7297] ? __sys_sendmsg_sock+0x30/0x30 [ 504.528375][ T7297] ? syscall_enter_from_user_mode+0x26/0x80 [ 504.534361][ T7297] do_syscall_64+0x3f/0x110 [ 504.538986][ T7297] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 504.545349][ T7297] RIP: 0033:0x7f2631248c19 [ 504.549884][ T7297] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 504.570314][ T7297] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 504.579215][ T7297] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 504.587914][ T7297] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 504.596252][ T7297] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 504.604682][ T7297] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 504.612700][ T7297] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 504.621077][ T7297] [ 504.625967][ T7297] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 504.642784][ T7297] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 504.652422][ T7297] CPU: 0 PID: 7297 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 504.662819][ T7297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 504.673339][ T7297] Call Trace: [ 504.676643][ T7297] [ 504.679861][ T7297] dump_stack_lvl+0x125/0x1b0 [ 504.684766][ T7297] sysfs_warn_dup+0x7f/0xa0 [ 504.689417][ T7297] sysfs_create_dir_ns+0x247/0x2a0 [ 504.694854][ T7297] ? sysfs_create_mount_point+0xb0/0xb0 [ 504.700543][ T7297] ? spin_bug+0x1d0/0x1d0 [ 504.705102][ T7297] ? net_namespace+0x12/0x40 [ 504.710165][ T7297] ? device_namespace+0x8d/0xc0 [ 504.715241][ T7297] kobject_add_internal+0x2c8/0x960 [ 504.721282][ T7297] kobject_add+0x16f/0x240 [ 504.726190][ T7297] ? kset_create_and_add+0x190/0x190 [ 504.731809][ T7297] ? do_raw_spin_unlock+0x173/0x230 [ 504.737158][ T7297] ? kobject_put+0xbe/0x440 [ 504.742334][ T7297] ? device_add+0xc35/0x1aa0 [ 504.747148][ T7297] device_add+0x289/0x1aa0 [ 504.751821][ T7297] ? device_initialize+0x510/0x510 [ 504.757309][ T7297] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 504.764369][ T7297] ? __init_waitqueue_head+0xca/0x150 [ 504.769776][ T7297] netdev_register_kobject+0x183/0x3f0 [ 504.775874][ T7297] register_netdevice+0xbdf/0x14a0 [ 504.781096][ T7297] ? lockdep_hardirqs_on+0x7d/0x100 [ 504.786920][ T7297] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 504.793035][ T7297] ? lapbeth_setup+0x170/0x170 [ 504.798499][ T7297] lapbeth_device_event+0x5b8/0xd40 [ 504.804036][ T7297] notifier_call_chain+0xb6/0x3b0 [ 504.809454][ T7297] ? lapbeth_xmit+0x290/0x290 [ 504.814819][ T7297] call_netdevice_notifiers_info+0xbe/0x130 [ 504.821449][ T7297] dev_open+0x13c/0x150 [ 504.825731][ T7297] ? __dev_open+0x4d0/0x4d0 [ 504.830624][ T7297] ? rcu_is_watching+0x12/0xb0 [ 504.835855][ T7297] team_add_slave+0xb4b/0x2130 [ 504.840862][ T7297] ? team_uninit+0x1c0/0x1c0 [ 504.846158][ T7297] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 504.852167][ T7297] ? validate_linkmsg+0x6fc/0x9c0 [ 504.857847][ T7297] ? team_uninit+0x1c0/0x1c0 [ 504.863198][ T7297] do_set_master+0x1c1/0x220 [ 504.869083][ T7297] __rtnl_newlink+0x14e4/0x1930 [ 504.875229][ T7297] ? rtnl_link_unregister+0x260/0x260 [ 504.881242][ T7297] rtnl_newlink+0x67/0xa0 [ 504.885928][ T7297] ? __rtnl_newlink+0x1930/0x1930 [ 504.891703][ T7297] rtnetlink_rcv_msg+0x3c7/0xe00 [ 504.897545][ T7297] ? rtnl_getlink+0xb40/0xb40 [ 504.904119][ T7297] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 504.910668][ T7297] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 504.917407][ T7297] netlink_rcv_skb+0x16b/0x440 [ 504.923491][ T7297] ? rtnl_getlink+0xb40/0xb40 [ 504.928378][ T7297] ? netlink_ack+0x1370/0x1370 [ 504.934693][ T7297] ? lock_sync+0x190/0x190 [ 504.940352][ T7297] ? netlink_deliver_tap+0x1a0/0xd00 [ 504.946018][ T7297] ? _copy_from_iter+0x2c1/0x10f0 [ 504.951535][ T7297] netlink_unicast+0x53b/0x810 [ 504.957644][ T7297] ? netlink_attachskb+0x880/0x880 [ 504.963348][ T7297] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 504.970441][ T7297] ? __phys_addr_symbol+0x30/0x70 [ 504.975586][ T7297] ? __check_object_size+0x323/0x730 [ 504.980930][ T7297] netlink_sendmsg+0x93c/0xe40 [ 504.986289][ T7297] ? netlink_unicast+0x810/0x810 [ 504.991479][ T7297] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 504.997065][ T7297] ? netlink_unicast+0x810/0x810 [ 505.002275][ T7297] __sock_sendmsg+0xd5/0x180 [ 505.007424][ T7297] ____sys_sendmsg+0x6ac/0x940 [ 505.012846][ T7297] ? copy_msghdr_from_user+0x10b/0x160 [ 505.018703][ T7297] ? kernel_sendmsg+0x50/0x50 [ 505.023831][ T7297] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 505.030296][ T7297] ___sys_sendmsg+0x135/0x1d0 [ 505.036317][ T7297] ? do_recvmmsg+0x740/0x740 [ 505.045895][ T7297] ? find_held_lock+0x2d/0x110 [ 505.050786][ T7297] ? preempt_count_sub+0x150/0x150 [ 505.056258][ T7297] ? __fget_light+0x1fc/0x260 [ 505.061223][ T7297] __sys_sendmsg+0x117/0x1e0 [ 505.065832][ T7297] ? __sys_sendmsg_sock+0x30/0x30 [ 505.071161][ T7297] ? syscall_enter_from_user_mode+0x26/0x80 [ 505.078032][ T7297] do_syscall_64+0x3f/0x110 [ 505.082744][ T7297] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 505.089204][ T7297] RIP: 0033:0x7f2631248c19 [ 505.093752][ T7297] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 505.116771][ T7297] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 505.125409][ T7297] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 505.133787][ T7297] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 505.141953][ T7297] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 505.150133][ T7297] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 505.158294][ T7297] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 505.166466][ T7297] [ 505.171771][ T7297] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 505.194885][ T7297] 8021q: adding VLAN 0 to HW filter on device batadv99 [ 505.206454][ T7297] team99: Port device batadv99 added [ 505.224556][ T7298] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 505.304485][ T7298] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 505.336367][ T7298] CPU: 1 PID: 7298 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 505.346696][ T7298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 505.356994][ T7298] Call Trace: [ 505.360827][ T7298] [ 505.363903][ T7298] dump_stack_lvl+0x125/0x1b0 [ 505.369579][ T7298] sysfs_warn_dup+0x7f/0xa0 [ 505.374277][ T7298] sysfs_create_dir_ns+0x247/0x2a0 [ 505.379779][ T7298] ? sysfs_create_mount_point+0xb0/0xb0 [ 505.385544][ T7298] ? spin_bug+0x1d0/0x1d0 [ 505.389936][ T7298] ? net_namespace+0x12/0x40 [ 505.394734][ T7298] ? device_namespace+0x8d/0xc0 [ 505.399711][ T7298] kobject_add_internal+0x2c8/0x960 [ 505.405045][ T7298] kobject_add+0x16f/0x240 [ 505.409485][ T7298] ? kset_create_and_add+0x190/0x190 [ 505.414807][ T7298] ? do_raw_spin_unlock+0x173/0x230 [ 505.420200][ T7298] ? kobject_put+0xbe/0x440 [ 505.424839][ T7298] ? device_add+0xc35/0x1aa0 [ 505.429450][ T7298] device_add+0x289/0x1aa0 [ 505.433877][ T7298] ? device_initialize+0x510/0x510 [ 505.439042][ T7298] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 505.446100][ T7298] ? __init_waitqueue_head+0xca/0x150 [ 505.451793][ T7298] netdev_register_kobject+0x183/0x3f0 [ 505.457401][ T7298] register_netdevice+0xbdf/0x14a0 [ 505.462634][ T7298] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 505.468716][ T7298] ? alloc_netdev_mqs+0xee6/0x1290 [ 505.474394][ T7298] bpq_device_event+0x39e/0xaf0 [ 505.479284][ T7298] ? team_device_event+0x219/0x750 [ 505.484621][ T7298] notifier_call_chain+0xb6/0x3b0 [ 505.489663][ T7298] ? bpq_seq_stop+0xb0/0xb0 [ 505.494457][ T7298] call_netdevice_notifiers_info+0xbe/0x130 [ 505.500485][ T7298] dev_open+0x13c/0x150 [ 505.505019][ T7298] ? __dev_open+0x4d0/0x4d0 [ 505.509544][ T7298] ? rcu_is_watching+0x12/0xb0 [ 505.514351][ T7298] team_add_slave+0xb4b/0x2130 [ 505.519241][ T7298] ? team_uninit+0x1c0/0x1c0 [ 505.523940][ T7298] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 505.529941][ T7298] ? validate_linkmsg+0x6fc/0x9c0 [ 505.535006][ T7298] ? team_uninit+0x1c0/0x1c0 [ 505.540005][ T7298] do_set_master+0x1c1/0x220 [ 505.544623][ T7298] __rtnl_newlink+0x14e4/0x1930 [ 505.549800][ T7298] ? rtnl_link_unregister+0x260/0x260 [ 505.555243][ T7298] rtnl_newlink+0x67/0xa0 [ 505.559696][ T7298] ? __rtnl_newlink+0x1930/0x1930 [ 505.565021][ T7298] rtnetlink_rcv_msg+0x3c7/0xe00 [ 505.570164][ T7298] ? rtnl_getlink+0xb40/0xb40 [ 505.574861][ T7298] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 505.581035][ T7298] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 505.587043][ T7298] netlink_rcv_skb+0x16b/0x440 [ 505.591901][ T7298] ? rtnl_getlink+0xb40/0xb40 [ 505.596603][ T7298] ? netlink_ack+0x1370/0x1370 [ 505.601499][ T7298] ? lock_sync+0x190/0x190 [ 505.606125][ T7298] ? netlink_deliver_tap+0x1a0/0xd00 [ 505.611606][ T7298] ? _copy_from_iter+0x2c1/0x10f0 [ 505.617007][ T7298] netlink_unicast+0x53b/0x810 [ 505.621820][ T7298] ? netlink_attachskb+0x880/0x880 [ 505.627181][ T7298] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 505.633375][ T7298] ? __phys_addr_symbol+0x30/0x70 [ 505.638433][ T7298] ? __check_object_size+0x323/0x730 [ 505.643921][ T7298] netlink_sendmsg+0x93c/0xe40 [ 505.648728][ T7298] ? netlink_unicast+0x810/0x810 [ 505.653722][ T7298] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 505.659208][ T7298] ? netlink_unicast+0x810/0x810 [ 505.664174][ T7298] __sock_sendmsg+0xd5/0x180 [ 505.668809][ T7298] ____sys_sendmsg+0x6ac/0x940 [ 505.673689][ T7298] ? copy_msghdr_from_user+0x10b/0x160 [ 505.679517][ T7298] ? kernel_sendmsg+0x50/0x50 [ 505.684737][ T7298] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 505.691178][ T7298] ___sys_sendmsg+0x135/0x1d0 [ 505.695873][ T7298] ? do_recvmmsg+0x740/0x740 [ 505.700582][ T7298] ? find_held_lock+0x2d/0x110 [ 505.705580][ T7298] ? preempt_count_sub+0x150/0x150 [ 505.711074][ T7298] ? __fget_light+0x1fc/0x260 [ 505.715772][ T7298] __sys_sendmsg+0x117/0x1e0 [ 505.720553][ T7298] ? __sys_sendmsg_sock+0x30/0x30 [ 505.725704][ T7298] ? syscall_enter_from_user_mode+0x26/0x80 [ 505.731621][ T7298] do_syscall_64+0x3f/0x110 [ 505.736201][ T7298] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 505.742192][ T7298] RIP: 0033:0x7f2631248c19 [ 505.746610][ T7298] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 505.766923][ T7298] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 505.775434][ T7298] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 505.783438][ T7298] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 505.791426][ T7298] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 505.799680][ T7298] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 505.808092][ T7298] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 505.816646][ T7298] [ 505.842480][ T7298] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 505.859737][ T7298] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 505.869522][ T7298] CPU: 1 PID: 7298 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 505.880235][ T7298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 505.890659][ T7298] Call Trace: [ 505.894129][ T7298] [ 505.897161][ T7298] dump_stack_lvl+0x125/0x1b0 [ 505.902135][ T7298] sysfs_warn_dup+0x7f/0xa0 [ 505.906765][ T7298] sysfs_create_dir_ns+0x247/0x2a0 [ 505.912088][ T7298] ? sysfs_create_mount_point+0xb0/0xb0 [ 505.917957][ T7298] ? spin_bug+0x1d0/0x1d0 [ 505.922322][ T7298] ? net_namespace+0x12/0x40 [ 505.927117][ T7298] ? device_namespace+0x8d/0xc0 [ 505.932267][ T7298] kobject_add_internal+0x2c8/0x960 [ 505.937601][ T7298] kobject_add+0x16f/0x240 [ 505.942138][ T7298] ? kset_create_and_add+0x190/0x190 [ 505.947844][ T7298] ? do_raw_spin_unlock+0x173/0x230 [ 505.953257][ T7298] ? kobject_put+0xbe/0x440 [ 505.957807][ T7298] ? device_add+0xc35/0x1aa0 [ 505.962701][ T7298] device_add+0x289/0x1aa0 [ 505.967495][ T7298] ? device_initialize+0x510/0x510 [ 505.972645][ T7298] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 505.979945][ T7298] ? __init_waitqueue_head+0xca/0x150 [ 505.985390][ T7298] netdev_register_kobject+0x183/0x3f0 [ 505.991324][ T7298] register_netdevice+0xbdf/0x14a0 [ 505.996646][ T7298] ? lockdep_hardirqs_on+0x7d/0x100 [ 506.001869][ T7298] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 506.007977][ T7298] ? lapbeth_setup+0x170/0x170 [ 506.012953][ T7298] lapbeth_device_event+0x5b8/0xd40 [ 506.018462][ T7298] notifier_call_chain+0xb6/0x3b0 [ 506.023874][ T7298] ? lapbeth_xmit+0x290/0x290 [ 506.028965][ T7298] call_netdevice_notifiers_info+0xbe/0x130 [ 506.036341][ T7298] dev_open+0x13c/0x150 [ 506.040717][ T7298] ? __dev_open+0x4d0/0x4d0 [ 506.046044][ T7298] ? rcu_is_watching+0x12/0xb0 [ 506.051046][ T7298] team_add_slave+0xb4b/0x2130 [ 506.056045][ T7298] ? team_uninit+0x1c0/0x1c0 [ 506.061040][ T7298] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 506.067405][ T7298] ? validate_linkmsg+0x6fc/0x9c0 [ 506.072844][ T7298] ? team_uninit+0x1c0/0x1c0 [ 506.077738][ T7298] do_set_master+0x1c1/0x220 [ 506.082721][ T7298] __rtnl_newlink+0x14e4/0x1930 [ 506.088057][ T7298] ? rtnl_link_unregister+0x260/0x260 [ 506.094021][ T7298] rtnl_newlink+0x67/0xa0 [ 506.098928][ T7298] ? __rtnl_newlink+0x1930/0x1930 [ 506.104084][ T7298] rtnetlink_rcv_msg+0x3c7/0xe00 [ 506.109189][ T7298] ? rtnl_getlink+0xb40/0xb40 [ 506.114250][ T7298] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 506.121707][ T7298] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 506.128023][ T7298] netlink_rcv_skb+0x16b/0x440 [ 506.132838][ T7298] ? rtnl_getlink+0xb40/0xb40 [ 506.137642][ T7298] ? netlink_ack+0x1370/0x1370 [ 506.142433][ T7298] ? lock_sync+0x190/0x190 [ 506.147162][ T7298] ? netlink_deliver_tap+0x1a0/0xd00 [ 506.153169][ T7298] ? _copy_from_iter+0x2c1/0x10f0 [ 506.158399][ T7298] netlink_unicast+0x53b/0x810 [ 506.163300][ T7298] ? netlink_attachskb+0x880/0x880 [ 506.168440][ T7298] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 506.174551][ T7298] ? __phys_addr_symbol+0x30/0x70 [ 506.179790][ T7298] ? __check_object_size+0x323/0x730 [ 506.185272][ T7298] netlink_sendmsg+0x93c/0xe40 [ 506.190815][ T7298] ? netlink_unicast+0x810/0x810 [ 506.196023][ T7298] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 506.201424][ T7298] ? netlink_unicast+0x810/0x810 [ 506.206668][ T7298] __sock_sendmsg+0xd5/0x180 [ 506.211372][ T7298] ____sys_sendmsg+0x6ac/0x940 [ 506.216161][ T7298] ? copy_msghdr_from_user+0x10b/0x160 [ 506.221833][ T7298] ? kernel_sendmsg+0x50/0x50 [ 506.226544][ T7298] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 506.232583][ T7298] ___sys_sendmsg+0x135/0x1d0 [ 506.237316][ T7298] ? do_recvmmsg+0x740/0x740 [ 506.242731][ T7298] ? find_held_lock+0x2d/0x110 [ 506.247636][ T7298] ? preempt_count_sub+0x150/0x150 [ 506.252876][ T7298] ? __fget_light+0x1fc/0x260 [ 506.257597][ T7298] __sys_sendmsg+0x117/0x1e0 [ 506.262220][ T7298] ? __sys_sendmsg_sock+0x30/0x30 [ 506.267934][ T7298] ? syscall_enter_from_user_mode+0x26/0x80 [ 506.274919][ T7298] do_syscall_64+0x3f/0x110 [ 506.279470][ T7298] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 506.285657][ T7298] RIP: 0033:0x7f2631248c19 [ 506.290531][ T7298] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 506.310379][ T7298] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 506.318934][ T7298] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 506.327142][ T7298] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 506.335851][ T7298] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 506.343856][ T7298] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 506.352482][ T7298] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 506.360605][ T7298] [ 506.380854][ T7298] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 506.402257][ T7298] 8021q: adding VLAN 0 to HW filter on device batadv100000000 [ 506.415157][ T7298] team10000000000: Port device batadv100000000 added [ 506.436969][ T7299] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 506.451310][ T7299] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 506.461496][ T7299] CPU: 0 PID: 7299 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 506.472218][ T7299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 506.483177][ T7299] Call Trace: [ 506.486575][ T7299] [ 506.489539][ T7299] dump_stack_lvl+0x125/0x1b0 [ 506.494610][ T7299] sysfs_warn_dup+0x7f/0xa0 [ 506.499605][ T7299] sysfs_create_dir_ns+0x247/0x2a0 [ 506.504854][ T7299] ? sysfs_create_mount_point+0xb0/0xb0 [ 506.510611][ T7299] ? spin_bug+0x1d0/0x1d0 [ 506.515244][ T7299] ? net_namespace+0x12/0x40 [ 506.520299][ T7299] ? device_namespace+0x8d/0xc0 [ 506.525220][ T7299] kobject_add_internal+0x2c8/0x960 [ 506.530654][ T7299] kobject_add+0x16f/0x240 [ 506.535381][ T7299] ? kset_create_and_add+0x190/0x190 [ 506.540712][ T7299] ? do_raw_spin_unlock+0x173/0x230 [ 506.546176][ T7299] ? kobject_put+0xbe/0x440 [ 506.550819][ T7299] ? device_add+0xc35/0x1aa0 [ 506.555733][ T7299] device_add+0x289/0x1aa0 [ 506.560466][ T7299] ? device_initialize+0x510/0x510 [ 506.566106][ T7299] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 506.573349][ T7299] ? __init_waitqueue_head+0xca/0x150 [ 506.579187][ T7299] netdev_register_kobject+0x183/0x3f0 [ 506.584779][ T7299] register_netdevice+0xbdf/0x14a0 [ 506.590110][ T7299] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 506.596408][ T7299] ? team_nl_cmd_noop+0x280/0x280 [ 506.601935][ T7299] team_newlink+0x92/0x160 [ 506.606667][ T7299] ? team_nl_cmd_noop+0x280/0x280 [ 506.612035][ T7299] ? rtnl_create_link+0xa6d/0xfd0 [ 506.617551][ T7299] __rtnl_newlink+0x1173/0x1930 [ 506.622890][ T7299] ? rtnl_link_unregister+0x260/0x260 [ 506.628822][ T7299] rtnl_newlink+0x67/0xa0 [ 506.633520][ T7299] ? __rtnl_newlink+0x1930/0x1930 [ 506.639033][ T7299] rtnetlink_rcv_msg+0x3c7/0xe00 [ 506.644207][ T7299] ? rtnl_getlink+0xb40/0xb40 [ 506.649103][ T7299] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 506.655228][ T7299] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 506.661290][ T7299] netlink_rcv_skb+0x16b/0x440 [ 506.666286][ T7299] ? rtnl_getlink+0xb40/0xb40 [ 506.671195][ T7299] ? netlink_ack+0x1370/0x1370 [ 506.676450][ T7299] ? lock_sync+0x190/0x190 [ 506.680947][ T7299] ? netlink_deliver_tap+0x1a0/0xd00 [ 506.686314][ T7299] ? _copy_from_iter+0x2c1/0x10f0 [ 506.691398][ T7299] netlink_unicast+0x53b/0x810 [ 506.696466][ T7299] ? netlink_attachskb+0x880/0x880 [ 506.701607][ T7299] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 506.708005][ T7299] ? __phys_addr_symbol+0x30/0x70 [ 506.713083][ T7299] ? __check_object_size+0x323/0x730 [ 506.718523][ T7299] netlink_sendmsg+0x93c/0xe40 [ 506.723422][ T7299] ? netlink_unicast+0x810/0x810 [ 506.728519][ T7299] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 506.733854][ T7299] ? netlink_unicast+0x810/0x810 [ 506.739185][ T7299] __sock_sendmsg+0xd5/0x180 [ 506.743832][ T7299] ____sys_sendmsg+0x6ac/0x940 [ 506.748725][ T7299] ? copy_msghdr_from_user+0x10b/0x160 [ 506.754405][ T7299] ? kernel_sendmsg+0x50/0x50 [ 506.759397][ T7299] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 506.765435][ T7299] ___sys_sendmsg+0x135/0x1d0 [ 506.770239][ T7299] ? do_recvmmsg+0x740/0x740 [ 506.774868][ T7299] ? find_held_lock+0x2d/0x110 [ 506.779769][ T7299] ? preempt_count_sub+0x150/0x150 [ 506.785288][ T7299] ? __fget_light+0x1fc/0x260 [ 506.790183][ T7299] __sys_sendmsg+0x117/0x1e0 [ 506.794809][ T7299] ? __sys_sendmsg_sock+0x30/0x30 [ 506.800077][ T7299] ? syscall_enter_from_user_mode+0x26/0x80 [ 506.806275][ T7299] do_syscall_64+0x3f/0x110 [ 506.810923][ T7299] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 506.817833][ T7299] RIP: 0033:0x7f2631248c19 [ 506.822367][ T7299] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 506.842456][ T7299] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 506.851345][ T7299] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 506.859790][ T7299] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 506.868414][ T7299] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 506.877238][ T7299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 506.885331][ T7299] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 506.894580][ T7299] [ 506.902150][ T7299] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 506.947941][ T7299] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 506.957754][ T7299] CPU: 0 PID: 7299 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 506.968131][ T7299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 506.978494][ T7299] Call Trace: [ 506.982027][ T7299] [ 506.985066][ T7299] dump_stack_lvl+0x125/0x1b0 [ 506.989874][ T7299] sysfs_warn_dup+0x7f/0xa0 [ 506.994423][ T7299] sysfs_create_dir_ns+0x247/0x2a0 [ 506.999600][ T7299] ? sysfs_create_mount_point+0xb0/0xb0 [ 507.005396][ T7299] ? spin_bug+0x1d0/0x1d0 [ 507.009864][ T7299] ? net_namespace+0x12/0x40 [ 507.014582][ T7299] ? device_namespace+0x8d/0xc0 [ 507.019524][ T7299] kobject_add_internal+0x2c8/0x960 [ 507.025145][ T7299] kobject_add+0x16f/0x240 [ 507.029616][ T7299] ? kset_create_and_add+0x190/0x190 [ 507.034951][ T7299] ? do_raw_spin_unlock+0x173/0x230 [ 507.040195][ T7299] ? kobject_put+0xbe/0x440 [ 507.044849][ T7299] ? device_add+0xc35/0x1aa0 [ 507.049913][ T7299] device_add+0x289/0x1aa0 [ 507.054591][ T7299] ? device_initialize+0x510/0x510 [ 507.059933][ T7299] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 507.067010][ T7299] ? __init_waitqueue_head+0xca/0x150 [ 507.072600][ T7299] netdev_register_kobject+0x183/0x3f0 [ 507.078086][ T7299] register_netdevice+0xbdf/0x14a0 [ 507.083302][ T7299] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 507.089214][ T7299] ? validate_linkmsg+0x6fc/0x9c0 [ 507.094354][ T7299] ? rtnl_create_link+0xa6d/0xfd0 [ 507.099402][ T7299] ? batadv_get_sset_count+0x40/0x40 [ 507.104703][ T7299] batadv_softif_newlink+0x70/0x90 [ 507.109834][ T7299] __rtnl_newlink+0x1173/0x1930 [ 507.114708][ T7299] ? rtnl_link_unregister+0x260/0x260 [ 507.120119][ T7299] rtnl_newlink+0x67/0xa0 [ 507.124457][ T7299] ? __rtnl_newlink+0x1930/0x1930 [ 507.129613][ T7299] rtnetlink_rcv_msg+0x3c7/0xe00 [ 507.134586][ T7299] ? rtnl_getlink+0xb40/0xb40 [ 507.139286][ T7299] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 507.145311][ T7299] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 507.151337][ T7299] netlink_rcv_skb+0x16b/0x440 [ 507.156210][ T7299] ? rtnl_getlink+0xb40/0xb40 [ 507.161083][ T7299] ? netlink_ack+0x1370/0x1370 [ 507.165945][ T7299] ? lock_sync+0x190/0x190 [ 507.170549][ T7299] ? netlink_deliver_tap+0x1a0/0xd00 [ 507.176037][ T7299] ? _copy_from_iter+0x2c1/0x10f0 [ 507.181103][ T7299] netlink_unicast+0x53b/0x810 [ 507.186328][ T7299] ? netlink_attachskb+0x880/0x880 [ 507.191537][ T7299] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 507.197616][ T7299] ? __phys_addr_symbol+0x30/0x70 [ 507.202864][ T7299] ? __check_object_size+0x323/0x730 [ 507.208277][ T7299] netlink_sendmsg+0x93c/0xe40 [ 507.213249][ T7299] ? netlink_unicast+0x810/0x810 [ 507.218303][ T7299] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 507.223669][ T7299] ? netlink_unicast+0x810/0x810 [ 507.229006][ T7299] __sock_sendmsg+0xd5/0x180 [ 507.233631][ T7299] ____sys_sendmsg+0x6ac/0x940 [ 507.238409][ T7299] ? copy_msghdr_from_user+0x10b/0x160 [ 507.244055][ T7299] ? kernel_sendmsg+0x50/0x50 [ 507.249500][ T7299] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 507.255792][ T7299] ___sys_sendmsg+0x135/0x1d0 [ 507.260501][ T7299] ? do_recvmmsg+0x740/0x740 [ 507.265209][ T7299] ? find_held_lock+0x2d/0x110 [ 507.270089][ T7299] ? preempt_count_sub+0x150/0x150 [ 507.276475][ T7299] ? __fget_light+0x1fc/0x260 [ 507.281432][ T7299] __sys_sendmsg+0x117/0x1e0 [ 507.286574][ T7299] ? __sys_sendmsg_sock+0x30/0x30 [ 507.291913][ T7299] ? syscall_enter_from_user_mode+0x26/0x80 [ 507.298106][ T7299] do_syscall_64+0x3f/0x110 [ 507.302811][ T7299] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 507.308801][ T7299] RIP: 0033:0x7f2631248c19 [ 507.313325][ T7299] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 507.333573][ T7299] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 507.342394][ T7299] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 507.350546][ T7299] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 507.358782][ T7299] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 507.367016][ T7299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 507.375079][ T7299] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 507.383095][ T7299] [ 507.388806][ T7299] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 507.486738][ T7300] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 507.499966][ T7300] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 507.509757][ T7300] CPU: 0 PID: 7300 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 507.520482][ T7300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 507.530660][ T7300] Call Trace: [ 507.533967][ T7300] [ 507.536928][ T7300] dump_stack_lvl+0x125/0x1b0 [ 507.541650][ T7300] sysfs_warn_dup+0x7f/0xa0 [ 507.546300][ T7300] sysfs_create_dir_ns+0x247/0x2a0 [ 507.551459][ T7300] ? sysfs_create_mount_point+0xb0/0xb0 [ 507.557138][ T7300] ? spin_bug+0x1d0/0x1d0 [ 507.561685][ T7300] ? net_namespace+0x12/0x40 [ 507.566305][ T7300] ? device_namespace+0x8d/0xc0 [ 507.571202][ T7300] kobject_add_internal+0x2c8/0x960 [ 507.576456][ T7300] kobject_add+0x16f/0x240 [ 507.581263][ T7300] ? kset_create_and_add+0x190/0x190 [ 507.586677][ T7300] ? do_raw_spin_unlock+0x173/0x230 [ 507.592012][ T7300] ? kobject_put+0xbe/0x440 [ 507.596814][ T7300] ? device_add+0xc35/0x1aa0 [ 507.601612][ T7300] device_add+0x289/0x1aa0 [ 507.606158][ T7300] ? device_initialize+0x510/0x510 [ 507.611419][ T7300] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 507.618418][ T7300] ? __init_waitqueue_head+0xca/0x150 [ 507.623860][ T7300] netdev_register_kobject+0x183/0x3f0 [ 507.629553][ T7300] register_netdevice+0xbdf/0x14a0 [ 507.634812][ T7300] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 507.640751][ T7300] ? team_nl_cmd_noop+0x280/0x280 [ 507.646058][ T7300] team_newlink+0x92/0x160 [ 507.650513][ T7300] ? team_nl_cmd_noop+0x280/0x280 [ 507.655829][ T7300] ? rtnl_create_link+0xa6d/0xfd0 [ 507.661088][ T7300] __rtnl_newlink+0x1173/0x1930 [ 507.666350][ T7300] ? rtnl_link_unregister+0x260/0x260 [ 507.671822][ T7300] rtnl_newlink+0x67/0xa0 [ 507.676727][ T7300] ? __rtnl_newlink+0x1930/0x1930 [ 507.681888][ T7300] rtnetlink_rcv_msg+0x3c7/0xe00 [ 507.687221][ T7300] ? rtnl_getlink+0xb40/0xb40 [ 507.691952][ T7300] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 507.698440][ T7300] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 507.704765][ T7300] netlink_rcv_skb+0x16b/0x440 [ 507.709586][ T7300] ? rtnl_getlink+0xb40/0xb40 [ 507.714331][ T7300] ? netlink_ack+0x1370/0x1370 [ 507.719139][ T7300] ? lock_sync+0x190/0x190 [ 507.723635][ T7300] ? netlink_deliver_tap+0x1a0/0xd00 [ 507.729219][ T7300] ? _copy_from_iter+0x2c1/0x10f0 [ 507.734293][ T7300] netlink_unicast+0x53b/0x810 [ 507.739412][ T7300] ? netlink_attachskb+0x880/0x880 [ 507.744567][ T7300] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 507.750515][ T7300] ? __phys_addr_symbol+0x30/0x70 [ 507.755600][ T7300] ? __check_object_size+0x323/0x730 [ 507.761028][ T7300] netlink_sendmsg+0x93c/0xe40 [ 507.765978][ T7300] ? netlink_unicast+0x810/0x810 [ 507.771047][ T7300] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 507.776365][ T7300] ? netlink_unicast+0x810/0x810 [ 507.781355][ T7300] __sock_sendmsg+0xd5/0x180 [ 507.786006][ T7300] ____sys_sendmsg+0x6ac/0x940 [ 507.790899][ T7300] ? copy_msghdr_from_user+0x10b/0x160 [ 507.796410][ T7300] ? kernel_sendmsg+0x50/0x50 [ 507.801217][ T7300] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 507.807343][ T7300] ___sys_sendmsg+0x135/0x1d0 [ 507.812256][ T7300] ? do_recvmmsg+0x740/0x740 [ 507.817096][ T7300] ? find_held_lock+0x2d/0x110 [ 507.822095][ T7300] ? preempt_count_sub+0x150/0x150 [ 507.827420][ T7300] ? __fget_light+0x1fc/0x260 [ 507.832326][ T7300] __sys_sendmsg+0x117/0x1e0 [ 507.837157][ T7300] ? __sys_sendmsg_sock+0x30/0x30 [ 507.842257][ T7300] ? syscall_enter_from_user_mode+0x26/0x80 [ 507.848280][ T7300] do_syscall_64+0x3f/0x110 [ 507.852914][ T7300] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 507.859113][ T7300] RIP: 0033:0x7f2631248c19 [ 507.863734][ T7300] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 507.885147][ T7300] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 507.894231][ T7300] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 507.902850][ T7300] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 507.910946][ T7300] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 507.918946][ T7300] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 507.926939][ T7300] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 507.935394][ T7300] [ 507.945580][ T7300] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 507.977739][ T7300] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 508.004445][ T7300] CPU: 0 PID: 7300 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 508.015012][ T7300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 508.025471][ T7300] Call Trace: [ 508.028941][ T7300] [ 508.031894][ T7300] dump_stack_lvl+0x125/0x1b0 [ 508.036696][ T7300] sysfs_warn_dup+0x7f/0xa0 [ 508.041426][ T7300] sysfs_create_dir_ns+0x247/0x2a0 [ 508.046662][ T7300] ? sysfs_create_mount_point+0xb0/0xb0 [ 508.052340][ T7300] ? spin_bug+0x1d0/0x1d0 [ 508.056718][ T7300] ? net_namespace+0x12/0x40 [ 508.061517][ T7300] ? device_namespace+0x8d/0xc0 [ 508.066673][ T7300] kobject_add_internal+0x2c8/0x960 [ 508.072127][ T7300] kobject_add+0x16f/0x240 [ 508.076675][ T7300] ? kset_create_and_add+0x190/0x190 [ 508.082140][ T7300] ? do_raw_spin_unlock+0x173/0x230 [ 508.087494][ T7300] ? kobject_put+0xbe/0x440 [ 508.092047][ T7300] ? device_add+0xc35/0x1aa0 [ 508.096856][ T7300] device_add+0x289/0x1aa0 [ 508.101747][ T7300] ? device_initialize+0x510/0x510 [ 508.106895][ T7300] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 508.113845][ T7300] ? __init_waitqueue_head+0xca/0x150 [ 508.119548][ T7300] netdev_register_kobject+0x183/0x3f0 [ 508.125257][ T7300] register_netdevice+0xbdf/0x14a0 [ 508.130768][ T7300] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 508.136978][ T7300] ? validate_linkmsg+0x6fc/0x9c0 [ 508.142061][ T7300] ? rtnl_create_link+0xa6d/0xfd0 [ 508.147158][ T7300] ? batadv_get_sset_count+0x40/0x40 [ 508.152682][ T7300] batadv_softif_newlink+0x70/0x90 [ 508.157853][ T7300] __rtnl_newlink+0x1173/0x1930 [ 508.163043][ T7300] ? rtnl_link_unregister+0x260/0x260 [ 508.168594][ T7300] rtnl_newlink+0x67/0xa0 [ 508.172981][ T7300] ? __rtnl_newlink+0x1930/0x1930 [ 508.178053][ T7300] rtnetlink_rcv_msg+0x3c7/0xe00 [ 508.183149][ T7300] ? rtnl_getlink+0xb40/0xb40 [ 508.187871][ T7300] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 508.193916][ T7300] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 508.201186][ T7300] netlink_rcv_skb+0x16b/0x440 [ 508.206900][ T7300] ? rtnl_getlink+0xb40/0xb40 [ 508.211966][ T7300] ? netlink_ack+0x1370/0x1370 [ 508.217107][ T7300] ? lock_sync+0x190/0x190 [ 508.221857][ T7300] ? netlink_deliver_tap+0x1a0/0xd00 [ 508.227192][ T7300] ? _copy_from_iter+0x2c1/0x10f0 [ 508.232267][ T7300] netlink_unicast+0x53b/0x810 [ 508.237087][ T7300] ? netlink_attachskb+0x880/0x880 [ 508.242243][ T7300] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 508.248220][ T7300] ? __phys_addr_symbol+0x30/0x70 [ 508.253288][ T7300] ? __check_object_size+0x323/0x730 [ 508.258716][ T7300] netlink_sendmsg+0x93c/0xe40 [ 508.263540][ T7300] ? netlink_unicast+0x810/0x810 [ 508.268619][ T7300] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 508.274038][ T7300] ? netlink_unicast+0x810/0x810 [ 508.279149][ T7300] __sock_sendmsg+0xd5/0x180 [ 508.283770][ T7300] ____sys_sendmsg+0x6ac/0x940 [ 508.288595][ T7300] ? copy_msghdr_from_user+0x10b/0x160 [ 508.294209][ T7300] ? kernel_sendmsg+0x50/0x50 [ 508.298925][ T7300] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 508.305136][ T7300] ___sys_sendmsg+0x135/0x1d0 [ 508.310030][ T7300] ? do_recvmmsg+0x740/0x740 [ 508.314781][ T7300] ? find_held_lock+0x2d/0x110 [ 508.320019][ T7300] ? preempt_count_sub+0x150/0x150 [ 508.325890][ T7300] ? __fget_light+0x1fc/0x260 [ 508.330626][ T7300] __sys_sendmsg+0x117/0x1e0 [ 508.335517][ T7300] ? __sys_sendmsg_sock+0x30/0x30 [ 508.340690][ T7300] ? syscall_enter_from_user_mode+0x26/0x80 [ 508.346636][ T7300] do_syscall_64+0x3f/0x110 [ 508.351191][ T7300] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 508.357219][ T7300] RIP: 0033:0x7f2631248c19 [ 508.361746][ T7300] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 508.382179][ T7300] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 508.390738][ T7300] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 508.399209][ T7300] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 508.407212][ T7300] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 508.415313][ T7300] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 508.423598][ T7300] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 508.432409][ T7300] [ 508.436920][ T7300] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 508.506559][ T7302] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 508.536173][ T7302] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 508.555323][ T7302] CPU: 0 PID: 7302 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 508.565807][ T7302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 508.576073][ T7302] Call Trace: [ 508.579375][ T7302] [ 508.582342][ T7302] dump_stack_lvl+0x125/0x1b0 [ 508.587067][ T7302] sysfs_warn_dup+0x7f/0xa0 [ 508.591701][ T7302] sysfs_create_dir_ns+0x247/0x2a0 [ 508.597115][ T7302] ? sysfs_create_mount_point+0xb0/0xb0 [ 508.602797][ T7302] ? spin_bug+0x1d0/0x1d0 [ 508.607271][ T7302] ? net_namespace+0x12/0x40 [ 508.611886][ T7302] ? device_namespace+0x8d/0xc0 [ 508.616840][ T7302] kobject_add_internal+0x2c8/0x960 [ 508.622276][ T7302] kobject_add+0x16f/0x240 [ 508.626744][ T7302] ? kset_create_and_add+0x190/0x190 [ 508.632079][ T7302] ? do_raw_spin_unlock+0x173/0x230 [ 508.637500][ T7302] ? kobject_put+0xbe/0x440 [ 508.642047][ T7302] ? device_add+0xc35/0x1aa0 [ 508.646844][ T7302] device_add+0x289/0x1aa0 [ 508.651657][ T7302] ? device_initialize+0x510/0x510 [ 508.656996][ T7302] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 508.664077][ T7302] ? __init_waitqueue_head+0xca/0x150 [ 508.669615][ T7302] netdev_register_kobject+0x183/0x3f0 [ 508.675389][ T7302] register_netdevice+0xbdf/0x14a0 [ 508.680612][ T7302] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 508.686720][ T7302] ? team_nl_cmd_noop+0x280/0x280 [ 508.692456][ T7302] team_newlink+0x92/0x160 [ 508.697267][ T7302] ? team_nl_cmd_noop+0x280/0x280 [ 508.702675][ T7302] ? rtnl_create_link+0xa6d/0xfd0 [ 508.708141][ T7302] __rtnl_newlink+0x1173/0x1930 [ 508.713368][ T7302] ? rtnl_link_unregister+0x260/0x260 [ 508.719333][ T7302] rtnl_newlink+0x67/0xa0 [ 508.723848][ T7302] ? __rtnl_newlink+0x1930/0x1930 [ 508.729794][ T7302] rtnetlink_rcv_msg+0x3c7/0xe00 [ 508.734770][ T7302] ? rtnl_getlink+0xb40/0xb40 [ 508.739892][ T7302] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 508.746498][ T7302] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 508.753028][ T7302] netlink_rcv_skb+0x16b/0x440 [ 508.757905][ T7302] ? rtnl_getlink+0xb40/0xb40 [ 508.762854][ T7302] ? netlink_ack+0x1370/0x1370 [ 508.767630][ T7302] ? lock_sync+0x190/0x190 [ 508.772193][ T7302] ? netlink_deliver_tap+0x1a0/0xd00 [ 508.777578][ T7302] ? _copy_from_iter+0x2c1/0x10f0 [ 508.782625][ T7302] netlink_unicast+0x53b/0x810 [ 508.787501][ T7302] ? netlink_attachskb+0x880/0x880 [ 508.792707][ T7302] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 508.798797][ T7302] ? __phys_addr_symbol+0x30/0x70 [ 508.803871][ T7302] ? __check_object_size+0x323/0x730 [ 508.809178][ T7302] netlink_sendmsg+0x93c/0xe40 [ 508.813997][ T7302] ? netlink_unicast+0x810/0x810 [ 508.819134][ T7302] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 508.824693][ T7302] ? netlink_unicast+0x810/0x810 [ 508.829741][ T7302] __sock_sendmsg+0xd5/0x180 [ 508.834605][ T7302] ____sys_sendmsg+0x6ac/0x940 [ 508.839405][ T7302] ? copy_msghdr_from_user+0x10b/0x160 [ 508.844894][ T7302] ? kernel_sendmsg+0x50/0x50 [ 508.849585][ T7302] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 508.855687][ T7302] ___sys_sendmsg+0x135/0x1d0 [ 508.860383][ T7302] ? do_recvmmsg+0x740/0x740 [ 508.865181][ T7302] ? find_held_lock+0x2d/0x110 [ 508.870274][ T7302] ? preempt_count_sub+0x150/0x150 [ 508.875522][ T7302] ? __fget_light+0x1fc/0x260 [ 508.880395][ T7302] __sys_sendmsg+0x117/0x1e0 [ 508.885195][ T7302] ? __sys_sendmsg_sock+0x30/0x30 [ 508.890820][ T7302] ? syscall_enter_from_user_mode+0x26/0x80 [ 508.897013][ T7302] do_syscall_64+0x3f/0x110 [ 508.901884][ T7302] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 508.908070][ T7302] RIP: 0033:0x7f2631248c19 [ 508.912595][ T7302] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 508.933711][ T7302] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 508.942661][ T7302] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 508.950781][ T7302] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 508.958970][ T7302] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 508.967578][ T7302] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 508.975907][ T7302] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 508.984074][ T7302] [ 509.081222][ T7302] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 509.148968][ T7302] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 509.163293][ T7302] CPU: 1 PID: 7302 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 509.173506][ T7302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 509.186458][ T7302] Call Trace: [ 509.189759][ T7302] [ 509.192720][ T7302] dump_stack_lvl+0x125/0x1b0 [ 509.197449][ T7302] sysfs_warn_dup+0x7f/0xa0 [ 509.202091][ T7302] sysfs_create_dir_ns+0x247/0x2a0 [ 509.207338][ T7302] ? sysfs_create_mount_point+0xb0/0xb0 [ 509.213014][ T7302] ? spin_bug+0x1d0/0x1d0 [ 509.217389][ T7302] ? net_namespace+0x12/0x40 [ 509.222191][ T7302] ? device_namespace+0x8d/0xc0 [ 509.227176][ T7302] kobject_add_internal+0x2c8/0x960 [ 509.232529][ T7302] kobject_add+0x16f/0x240 [ 509.236989][ T7302] ? kset_create_and_add+0x190/0x190 [ 509.242317][ T7302] ? do_raw_spin_unlock+0x173/0x230 [ 509.247557][ T7302] ? kobject_put+0xbe/0x440 [ 509.252352][ T7302] ? device_add+0xc35/0x1aa0 [ 509.257228][ T7302] device_add+0x289/0x1aa0 [ 509.261656][ T7302] ? device_initialize+0x510/0x510 [ 509.266789][ T7302] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 509.273877][ T7302] ? __init_waitqueue_head+0xca/0x150 [ 509.279535][ T7302] netdev_register_kobject+0x183/0x3f0 [ 509.285106][ T7302] register_netdevice+0xbdf/0x14a0 [ 509.290439][ T7302] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 509.296426][ T7302] ? validate_linkmsg+0x6fc/0x9c0 [ 509.301639][ T7302] ? rtnl_create_link+0xa6d/0xfd0 [ 509.306682][ T7302] ? batadv_get_sset_count+0x40/0x40 [ 509.312006][ T7302] batadv_softif_newlink+0x70/0x90 [ 509.317239][ T7302] __rtnl_newlink+0x1173/0x1930 [ 509.322203][ T7302] ? rtnl_link_unregister+0x260/0x260 [ 509.327612][ T7302] rtnl_newlink+0x67/0xa0 [ 509.331944][ T7302] ? __rtnl_newlink+0x1930/0x1930 [ 509.337147][ T7302] rtnetlink_rcv_msg+0x3c7/0xe00 [ 509.342189][ T7302] ? rtnl_getlink+0xb40/0xb40 [ 509.347044][ T7302] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 509.353126][ T7302] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 509.359148][ T7302] netlink_rcv_skb+0x16b/0x440 [ 509.364574][ T7302] ? rtnl_getlink+0xb40/0xb40 [ 509.369520][ T7302] ? netlink_ack+0x1370/0x1370 [ 509.374381][ T7302] ? lock_sync+0x190/0x190 [ 509.378918][ T7302] ? netlink_deliver_tap+0x1a0/0xd00 [ 509.384299][ T7302] ? _copy_from_iter+0x2c1/0x10f0 [ 509.389516][ T7302] netlink_unicast+0x53b/0x810 [ 509.394397][ T7302] ? netlink_attachskb+0x880/0x880 [ 509.399614][ T7302] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 509.405605][ T7302] ? __phys_addr_symbol+0x30/0x70 [ 509.411260][ T7302] ? __check_object_size+0x323/0x730 [ 509.416761][ T7302] netlink_sendmsg+0x93c/0xe40 [ 509.421772][ T7302] ? netlink_unicast+0x810/0x810 [ 509.427098][ T7302] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 509.433213][ T7302] ? netlink_unicast+0x810/0x810 [ 509.438278][ T7302] __sock_sendmsg+0xd5/0x180 [ 509.443226][ T7302] ____sys_sendmsg+0x6ac/0x940 [ 509.448298][ T7302] ? copy_msghdr_from_user+0x10b/0x160 [ 509.454474][ T7302] ? kernel_sendmsg+0x50/0x50 [ 509.459450][ T7302] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 509.465652][ T7302] ___sys_sendmsg+0x135/0x1d0 [ 509.471867][ T7302] ? do_recvmmsg+0x740/0x740 [ 509.477126][ T7302] ? find_held_lock+0x2d/0x110 [ 509.482049][ T7302] ? preempt_count_sub+0x150/0x150 [ 509.487380][ T7302] ? __fget_light+0x1fc/0x260 [ 509.492258][ T7302] __sys_sendmsg+0x117/0x1e0 [ 509.497131][ T7302] ? __sys_sendmsg_sock+0x30/0x30 [ 509.502281][ T7302] ? syscall_enter_from_user_mode+0x26/0x80 [ 509.508362][ T7302] do_syscall_64+0x3f/0x110 [ 509.513182][ T7302] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 509.519434][ T7302] RIP: 0033:0x7f2631248c19 [ 509.523942][ T7302] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 509.544955][ T7302] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 509.554345][ T7302] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 509.562768][ T7302] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 509.571104][ T7302] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 509.579087][ T7302] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 509.587429][ T7302] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 509.595721][ T7302] [ 509.616674][ T7302] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 509.706438][ T7305] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 509.736167][ T7305] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 509.754461][ T7305] CPU: 0 PID: 7305 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 509.764861][ T7305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 509.775014][ T7305] Call Trace: [ 509.778306][ T7305] [ 509.781255][ T7305] dump_stack_lvl+0x125/0x1b0 [ 509.786520][ T7305] sysfs_warn_dup+0x7f/0xa0 [ 509.791140][ T7305] sysfs_create_dir_ns+0x247/0x2a0 [ 509.796361][ T7305] ? sysfs_create_mount_point+0xb0/0xb0 [ 509.801927][ T7305] ? spin_bug+0x1d0/0x1d0 [ 509.807104][ T7305] ? net_namespace+0x12/0x40 [ 509.811696][ T7305] ? device_namespace+0x8d/0xc0 [ 509.816563][ T7305] kobject_add_internal+0x2c8/0x960 [ 509.821785][ T7305] kobject_add+0x16f/0x240 [ 509.826399][ T7305] ? kset_create_and_add+0x190/0x190 [ 509.831701][ T7305] ? do_raw_spin_unlock+0x173/0x230 [ 509.837003][ T7305] ? kobject_put+0xbe/0x440 [ 509.841552][ T7305] ? device_add+0xc35/0x1aa0 [ 509.846328][ T7305] device_add+0x289/0x1aa0 [ 509.850751][ T7305] ? device_initialize+0x510/0x510 [ 509.856135][ T7305] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 509.863014][ T7305] ? __init_waitqueue_head+0xca/0x150 [ 509.868848][ T7305] netdev_register_kobject+0x183/0x3f0 [ 509.874435][ T7305] register_netdevice+0xbdf/0x14a0 [ 509.879737][ T7305] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 509.885655][ T7305] ? team_nl_cmd_noop+0x280/0x280 [ 509.890777][ T7305] team_newlink+0x92/0x160 [ 509.895292][ T7305] ? team_nl_cmd_noop+0x280/0x280 [ 509.900760][ T7305] ? rtnl_create_link+0xa6d/0xfd0 [ 509.906011][ T7305] __rtnl_newlink+0x1173/0x1930 [ 509.911073][ T7305] ? rtnl_link_unregister+0x260/0x260 [ 509.916484][ T7305] rtnl_newlink+0x67/0xa0 [ 509.920820][ T7305] ? __rtnl_newlink+0x1930/0x1930 [ 509.926033][ T7305] rtnetlink_rcv_msg+0x3c7/0xe00 [ 509.931169][ T7305] ? rtnl_getlink+0xb40/0xb40 [ 509.935940][ T7305] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 509.942111][ T7305] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 509.948290][ T7305] netlink_rcv_skb+0x16b/0x440 [ 509.953076][ T7305] ? rtnl_getlink+0xb40/0xb40 [ 509.958027][ T7305] ? netlink_ack+0x1370/0x1370 [ 509.963061][ T7305] ? lock_sync+0x190/0x190 [ 509.967595][ T7305] ? netlink_deliver_tap+0x1a0/0xd00 [ 509.972890][ T7305] ? _copy_from_iter+0x2c1/0x10f0 [ 509.978286][ T7305] netlink_unicast+0x53b/0x810 [ 509.983180][ T7305] ? netlink_attachskb+0x880/0x880 [ 509.988390][ T7305] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 509.994501][ T7305] ? __phys_addr_symbol+0x30/0x70 [ 509.999538][ T7305] ? __check_object_size+0x323/0x730 [ 510.004845][ T7305] netlink_sendmsg+0x93c/0xe40 [ 510.009976][ T7305] ? netlink_unicast+0x810/0x810 [ 510.015197][ T7305] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 510.020577][ T7305] ? netlink_unicast+0x810/0x810 [ 510.025618][ T7305] __sock_sendmsg+0xd5/0x180 [ 510.032996][ T7305] ____sys_sendmsg+0x6ac/0x940 [ 510.037802][ T7305] ? copy_msghdr_from_user+0x10b/0x160 [ 510.043283][ T7305] ? kernel_sendmsg+0x50/0x50 [ 510.047972][ T7305] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 510.054148][ T7305] ___sys_sendmsg+0x135/0x1d0 [ 510.058963][ T7305] ? do_recvmmsg+0x740/0x740 [ 510.063652][ T7305] ? find_held_lock+0x2d/0x110 [ 510.068544][ T7305] ? preempt_count_sub+0x150/0x150 [ 510.073784][ T7305] ? __fget_light+0x1fc/0x260 [ 510.078673][ T7305] __sys_sendmsg+0x117/0x1e0 [ 510.083299][ T7305] ? __sys_sendmsg_sock+0x30/0x30 [ 510.088452][ T7305] ? syscall_enter_from_user_mode+0x26/0x80 [ 510.094465][ T7305] do_syscall_64+0x3f/0x110 [ 510.098997][ T7305] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 510.105176][ T7305] RIP: 0033:0x7f2631248c19 [ 510.109881][ T7305] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 510.131541][ T7305] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 510.140431][ T7305] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 510.148848][ T7305] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 510.157010][ T7305] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 510.165397][ T7305] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 510.173643][ T7305] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 510.182032][ T7305] [ 510.324754][ T7305] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 510.381851][ T7305] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 510.391339][ T7305] CPU: 1 PID: 7305 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 510.401443][ T7305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 510.411878][ T7305] Call Trace: [ 510.415442][ T7305] [ 510.418592][ T7305] dump_stack_lvl+0x125/0x1b0 [ 510.423609][ T7305] sysfs_warn_dup+0x7f/0xa0 [ 510.428267][ T7305] sysfs_create_dir_ns+0x247/0x2a0 [ 510.433546][ T7305] ? sysfs_create_mount_point+0xb0/0xb0 [ 510.439164][ T7305] ? spin_bug+0x1d0/0x1d0 [ 510.443819][ T7305] ? net_namespace+0x12/0x40 [ 510.448886][ T7305] ? device_namespace+0x8d/0xc0 [ 510.454477][ T7305] kobject_add_internal+0x2c8/0x960 [ 510.460158][ T7305] kobject_add+0x16f/0x240 [ 510.464769][ T7305] ? kset_create_and_add+0x190/0x190 [ 510.470607][ T7305] ? do_raw_spin_unlock+0x173/0x230 [ 510.476001][ T7305] ? kobject_put+0xbe/0x440 [ 510.480610][ T7305] ? device_add+0xc35/0x1aa0 [ 510.485303][ T7305] device_add+0x289/0x1aa0 [ 510.489738][ T7305] ? device_initialize+0x510/0x510 [ 510.494932][ T7305] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 510.502075][ T7305] ? __init_waitqueue_head+0xca/0x150 [ 510.507472][ T7305] netdev_register_kobject+0x183/0x3f0 [ 510.513162][ T7305] register_netdevice+0xbdf/0x14a0 [ 510.518303][ T7305] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 510.524206][ T7305] ? validate_linkmsg+0x6fc/0x9c0 [ 510.529549][ T7305] ? rtnl_create_link+0xa6d/0xfd0 [ 510.534835][ T7305] ? batadv_get_sset_count+0x40/0x40 [ 510.540237][ T7305] batadv_softif_newlink+0x70/0x90 [ 510.545368][ T7305] __rtnl_newlink+0x1173/0x1930 [ 510.550239][ T7305] ? rtnl_link_unregister+0x260/0x260 [ 510.555733][ T7305] rtnl_newlink+0x67/0xa0 [ 510.560067][ T7305] ? __rtnl_newlink+0x1930/0x1930 [ 510.565096][ T7305] rtnetlink_rcv_msg+0x3c7/0xe00 [ 510.570140][ T7305] ? rtnl_getlink+0xb40/0xb40 [ 510.574907][ T7305] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 510.580901][ T7305] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 510.586993][ T7305] netlink_rcv_skb+0x16b/0x440 [ 510.591949][ T7305] ? rtnl_getlink+0xb40/0xb40 [ 510.597180][ T7305] ? netlink_ack+0x1370/0x1370 [ 510.602502][ T7305] ? lock_sync+0x190/0x190 [ 510.607388][ T7305] ? netlink_deliver_tap+0x1a0/0xd00 [ 510.612948][ T7305] ? _copy_from_iter+0x2c1/0x10f0 [ 510.618186][ T7305] netlink_unicast+0x53b/0x810 [ 510.623967][ T7305] ? netlink_attachskb+0x880/0x880 [ 510.629123][ T7305] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 510.635483][ T7305] ? __phys_addr_symbol+0x30/0x70 [ 510.640546][ T7305] ? __check_object_size+0x323/0x730 [ 510.645951][ T7305] netlink_sendmsg+0x93c/0xe40 [ 510.650914][ T7305] ? netlink_unicast+0x810/0x810 [ 510.655867][ T7305] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 510.661258][ T7305] ? netlink_unicast+0x810/0x810 [ 510.666466][ T7305] __sock_sendmsg+0xd5/0x180 [ 510.671238][ T7305] ____sys_sendmsg+0x6ac/0x940 [ 510.676285][ T7305] ? copy_msghdr_from_user+0x10b/0x160 [ 510.681847][ T7305] ? kernel_sendmsg+0x50/0x50 [ 510.686983][ T7305] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 510.693252][ T7305] ___sys_sendmsg+0x135/0x1d0 [ 510.698640][ T7305] ? do_recvmmsg+0x740/0x740 [ 510.703238][ T7305] ? find_held_lock+0x2d/0x110 [ 510.708026][ T7305] ? preempt_count_sub+0x150/0x150 [ 510.713247][ T7305] ? __fget_light+0x1fc/0x260 [ 510.718174][ T7305] __sys_sendmsg+0x117/0x1e0 [ 510.723145][ T7305] ? __sys_sendmsg_sock+0x30/0x30 [ 510.728560][ T7305] ? xfd_validate_state+0x5d/0x180 [ 510.733919][ T7305] ? syscall_enter_from_user_mode+0x26/0x80 [ 510.739955][ T7305] do_syscall_64+0x3f/0x110 [ 510.744654][ T7305] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 510.750692][ T7305] RIP: 0033:0x7f2631248c19 [ 510.755117][ T7305] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 510.775263][ T7305] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 510.783932][ T7305] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 510.791932][ T7305] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 510.800109][ T7305] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 510.808091][ T7305] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 510.816501][ T7305] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 510.824603][ T7305] [ 510.874785][ T7305] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 510.946802][ T7313] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 510.971770][ T7313] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 510.981786][ T7313] CPU: 0 PID: 7313 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 510.991893][ T7313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 511.002175][ T7313] Call Trace: [ 511.005492][ T7313] [ 511.008535][ T7313] dump_stack_lvl+0x125/0x1b0 [ 511.013264][ T7313] sysfs_warn_dup+0x7f/0xa0 [ 511.017820][ T7313] sysfs_create_dir_ns+0x247/0x2a0 [ 511.023082][ T7313] ? sysfs_create_mount_point+0xb0/0xb0 [ 511.028698][ T7313] ? spin_bug+0x1d0/0x1d0 [ 511.033097][ T7313] ? net_namespace+0x12/0x40 [ 511.037814][ T7313] ? device_namespace+0x8d/0xc0 [ 511.043000][ T7313] kobject_add_internal+0x2c8/0x960 [ 511.048978][ T7313] kobject_add+0x16f/0x240 [ 511.053814][ T7313] ? kset_create_and_add+0x190/0x190 [ 511.059908][ T7313] ? do_raw_spin_unlock+0x173/0x230 [ 511.065300][ T7313] ? kobject_put+0xbe/0x440 [ 511.069836][ T7313] ? device_add+0xc35/0x1aa0 [ 511.074486][ T7313] device_add+0x289/0x1aa0 [ 511.079259][ T7313] ? device_initialize+0x510/0x510 [ 511.084565][ T7313] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 511.091612][ T7313] ? __init_waitqueue_head+0xca/0x150 [ 511.097001][ T7313] netdev_register_kobject+0x183/0x3f0 [ 511.102621][ T7313] register_netdevice+0xbdf/0x14a0 [ 511.107839][ T7313] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 511.113845][ T7313] ? team_nl_cmd_noop+0x280/0x280 [ 511.119152][ T7313] team_newlink+0x92/0x160 [ 511.123671][ T7313] ? team_nl_cmd_noop+0x280/0x280 [ 511.128889][ T7313] ? rtnl_create_link+0xa6d/0xfd0 [ 511.134222][ T7313] __rtnl_newlink+0x1173/0x1930 [ 511.139199][ T7313] ? rtnl_link_unregister+0x260/0x260 [ 511.144720][ T7313] rtnl_newlink+0x67/0xa0 [ 511.149232][ T7313] ? __rtnl_newlink+0x1930/0x1930 [ 511.154379][ T7313] rtnetlink_rcv_msg+0x3c7/0xe00 [ 511.159346][ T7313] ? rtnl_getlink+0xb40/0xb40 [ 511.164029][ T7313] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 511.170141][ T7313] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 511.176526][ T7313] netlink_rcv_skb+0x16b/0x440 [ 511.181314][ T7313] ? rtnl_getlink+0xb40/0xb40 [ 511.186092][ T7313] ? netlink_ack+0x1370/0x1370 [ 511.190878][ T7313] ? lock_sync+0x190/0x190 [ 511.195696][ T7313] ? netlink_deliver_tap+0x1a0/0xd00 [ 511.201160][ T7313] ? _copy_from_iter+0x2c1/0x10f0 [ 511.206314][ T7313] netlink_unicast+0x53b/0x810 [ 511.211375][ T7313] ? netlink_attachskb+0x880/0x880 [ 511.217110][ T7313] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 511.223456][ T7313] ? __phys_addr_symbol+0x30/0x70 [ 511.228534][ T7313] ? __check_object_size+0x323/0x730 [ 511.233864][ T7313] netlink_sendmsg+0x93c/0xe40 [ 511.238741][ T7313] ? netlink_unicast+0x810/0x810 [ 511.243871][ T7313] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 511.249255][ T7313] ? netlink_unicast+0x810/0x810 [ 511.254204][ T7313] __sock_sendmsg+0xd5/0x180 [ 511.258859][ T7313] ____sys_sendmsg+0x6ac/0x940 [ 511.263902][ T7313] ? copy_msghdr_from_user+0x10b/0x160 [ 511.270181][ T7313] ? kernel_sendmsg+0x50/0x50 [ 511.275045][ T7313] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 511.281346][ T7313] ___sys_sendmsg+0x135/0x1d0 [ 511.286213][ T7313] ? do_recvmmsg+0x740/0x740 [ 511.291433][ T7313] ? find_held_lock+0x2d/0x110 [ 511.296428][ T7313] ? preempt_count_sub+0x150/0x150 [ 511.301998][ T7313] ? __fget_light+0x1fc/0x260 [ 511.307040][ T7313] __sys_sendmsg+0x117/0x1e0 [ 511.312015][ T7313] ? __sys_sendmsg_sock+0x30/0x30 [ 511.317120][ T7313] ? syscall_enter_from_user_mode+0x26/0x80 [ 511.325975][ T7313] do_syscall_64+0x3f/0x110 [ 511.330519][ T7313] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 511.337296][ T7313] RIP: 0033:0x7f2631248c19 [ 511.342066][ T7313] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 511.362157][ T7313] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 511.371571][ T7313] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 511.381321][ T7313] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 511.389300][ T7313] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 511.397277][ T7313] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 511.405513][ T7313] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 511.414720][ T7313] [ 511.431811][ T7313] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 511.472780][ T7313] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 511.482513][ T7313] CPU: 0 PID: 7313 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 511.492625][ T7313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 511.503075][ T7313] Call Trace: [ 511.506546][ T7313] [ 511.509936][ T7313] dump_stack_lvl+0x125/0x1b0 [ 511.514692][ T7313] sysfs_warn_dup+0x7f/0xa0 [ 511.519253][ T7313] sysfs_create_dir_ns+0x247/0x2a0 [ 511.524516][ T7313] ? sysfs_create_mount_point+0xb0/0xb0 [ 511.530156][ T7313] ? spin_bug+0x1d0/0x1d0 [ 511.534817][ T7313] ? net_namespace+0x12/0x40 [ 511.539821][ T7313] ? device_namespace+0x8d/0xc0 [ 511.544745][ T7313] kobject_add_internal+0x2c8/0x960 [ 511.550006][ T7313] kobject_add+0x16f/0x240 [ 511.554460][ T7313] ? kset_create_and_add+0x190/0x190 [ 511.559787][ T7313] ? do_raw_spin_unlock+0x173/0x230 [ 511.565546][ T7313] ? kobject_put+0xbe/0x440 [ 511.570529][ T7313] ? device_add+0xc35/0x1aa0 [ 511.575242][ T7313] device_add+0x289/0x1aa0 [ 511.580320][ T7313] ? device_initialize+0x510/0x510 [ 511.585734][ T7313] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 511.592724][ T7313] ? __init_waitqueue_head+0xca/0x150 [ 511.598339][ T7313] netdev_register_kobject+0x183/0x3f0 [ 511.604106][ T7313] register_netdevice+0xbdf/0x14a0 [ 511.609454][ T7313] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 511.615468][ T7313] ? validate_linkmsg+0x6fc/0x9c0 [ 511.620634][ T7313] ? rtnl_create_link+0xa6d/0xfd0 [ 511.627037][ T7313] ? batadv_get_sset_count+0x40/0x40 [ 511.633857][ T7313] batadv_softif_newlink+0x70/0x90 [ 511.639921][ T7313] __rtnl_newlink+0x1173/0x1930 [ 511.645530][ T7313] ? rtnl_link_unregister+0x260/0x260 [ 511.651602][ T7313] rtnl_newlink+0x67/0xa0 [ 511.656069][ T7313] ? __rtnl_newlink+0x1930/0x1930 [ 511.661226][ T7313] rtnetlink_rcv_msg+0x3c7/0xe00 [ 511.666564][ T7313] ? rtnl_getlink+0xb40/0xb40 [ 511.671293][ T7313] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 511.678188][ T7313] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 511.684572][ T7313] netlink_rcv_skb+0x16b/0x440 [ 511.689499][ T7313] ? rtnl_getlink+0xb40/0xb40 [ 511.694242][ T7313] ? netlink_ack+0x1370/0x1370 [ 511.699224][ T7313] ? lock_sync+0x190/0x190 [ 511.703805][ T7313] ? netlink_deliver_tap+0x1a0/0xd00 [ 511.709297][ T7313] ? _copy_from_iter+0x2c1/0x10f0 [ 511.714461][ T7313] netlink_unicast+0x53b/0x810 [ 511.719547][ T7313] ? netlink_attachskb+0x880/0x880 [ 511.725822][ T7313] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 511.732386][ T7313] ? __phys_addr_symbol+0x30/0x70 [ 511.737656][ T7313] ? __check_object_size+0x323/0x730 [ 511.743118][ T7313] netlink_sendmsg+0x93c/0xe40 [ 511.748116][ T7313] ? netlink_unicast+0x810/0x810 [ 511.753198][ T7313] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 511.758787][ T7313] ? netlink_unicast+0x810/0x810 [ 511.764033][ T7313] __sock_sendmsg+0xd5/0x180 [ 511.768835][ T7313] ____sys_sendmsg+0x6ac/0x940 [ 511.774154][ T7313] ? copy_msghdr_from_user+0x10b/0x160 [ 511.779998][ T7313] ? kernel_sendmsg+0x50/0x50 [ 511.785407][ T7313] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 511.791828][ T7313] ___sys_sendmsg+0x135/0x1d0 [ 511.796558][ T7313] ? do_recvmmsg+0x740/0x740 [ 511.801197][ T7313] ? find_held_lock+0x2d/0x110 [ 511.806282][ T7313] ? preempt_count_sub+0x150/0x150 [ 511.811627][ T7313] ? __fget_light+0x1fc/0x260 [ 511.816358][ T7313] __sys_sendmsg+0x117/0x1e0 [ 511.821069][ T7313] ? __sys_sendmsg_sock+0x30/0x30 [ 511.826362][ T7313] ? syscall_enter_from_user_mode+0x26/0x80 [ 511.832731][ T7313] do_syscall_64+0x3f/0x110 [ 511.837371][ T7313] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 511.843307][ T7313] RIP: 0033:0x7f2631248c19 [ 511.847838][ T7313] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 511.868447][ T7313] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 511.877109][ T7313] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 511.885599][ T7313] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 511.893782][ T7313] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 511.902141][ T7313] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 511.910487][ T7313] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 511.918770][ T7313] [ 511.922588][ T7313] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 512.006809][ T7319] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 512.036274][ T7319] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 512.054445][ T7319] CPU: 0 PID: 7319 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 512.064655][ T7319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 512.075066][ T7319] Call Trace: [ 512.078653][ T7319] [ 512.081634][ T7319] dump_stack_lvl+0x125/0x1b0 [ 512.086521][ T7319] sysfs_warn_dup+0x7f/0xa0 [ 512.091400][ T7319] sysfs_create_dir_ns+0x247/0x2a0 [ 512.096529][ T7319] ? sysfs_create_mount_point+0xb0/0xb0 [ 512.102206][ T7319] ? spin_bug+0x1d0/0x1d0 [ 512.106641][ T7319] ? net_namespace+0x12/0x40 [ 512.111409][ T7319] ? device_namespace+0x8d/0xc0 [ 512.116543][ T7319] kobject_add_internal+0x2c8/0x960 [ 512.121776][ T7319] kobject_add+0x16f/0x240 [ 512.126213][ T7319] ? kset_create_and_add+0x190/0x190 [ 512.131611][ T7319] ? do_raw_spin_unlock+0x173/0x230 [ 512.137087][ T7319] ? kobject_put+0xbe/0x440 [ 512.141619][ T7319] ? device_add+0xc35/0x1aa0 [ 512.146315][ T7319] device_add+0x289/0x1aa0 [ 512.150742][ T7319] ? device_initialize+0x510/0x510 [ 512.155962][ T7319] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 512.162825][ T7319] ? __init_waitqueue_head+0xca/0x150 [ 512.168216][ T7319] netdev_register_kobject+0x183/0x3f0 [ 512.173780][ T7319] register_netdevice+0xbdf/0x14a0 [ 512.178911][ T7319] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 512.186475][ T7319] ? team_nl_cmd_noop+0x280/0x280 [ 512.191514][ T7319] team_newlink+0x92/0x160 [ 512.196032][ T7319] ? team_nl_cmd_noop+0x280/0x280 [ 512.201079][ T7319] ? rtnl_create_link+0xa6d/0xfd0 [ 512.206152][ T7319] __rtnl_newlink+0x1173/0x1930 [ 512.211096][ T7319] ? rtnl_link_unregister+0x260/0x260 [ 512.216525][ T7319] rtnl_newlink+0x67/0xa0 [ 512.220879][ T7319] ? __rtnl_newlink+0x1930/0x1930 [ 512.225921][ T7319] rtnetlink_rcv_msg+0x3c7/0xe00 [ 512.230892][ T7319] ? rtnl_getlink+0xb40/0xb40 [ 512.236009][ T7319] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 512.242029][ T7319] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 512.248126][ T7319] netlink_rcv_skb+0x16b/0x440 [ 512.252989][ T7319] ? rtnl_getlink+0xb40/0xb40 [ 512.257849][ T7319] ? netlink_ack+0x1370/0x1370 [ 512.262708][ T7319] ? lock_sync+0x190/0x190 [ 512.267369][ T7319] ? netlink_deliver_tap+0x1a0/0xd00 [ 512.272930][ T7319] ? _copy_from_iter+0x2c1/0x10f0 [ 512.278173][ T7319] netlink_unicast+0x53b/0x810 [ 512.283179][ T7319] ? netlink_attachskb+0x880/0x880 [ 512.289161][ T7319] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 512.295458][ T7319] ? __phys_addr_symbol+0x30/0x70 [ 512.300583][ T7319] ? __check_object_size+0x323/0x730 [ 512.306072][ T7319] netlink_sendmsg+0x93c/0xe40 [ 512.311041][ T7319] ? netlink_unicast+0x810/0x810 [ 512.315991][ T7319] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 512.321283][ T7319] ? netlink_unicast+0x810/0x810 [ 512.326232][ T7319] __sock_sendmsg+0xd5/0x180 [ 512.330939][ T7319] ____sys_sendmsg+0x6ac/0x940 [ 512.335882][ T7319] ? copy_msghdr_from_user+0x10b/0x160 [ 512.341447][ T7319] ? kernel_sendmsg+0x50/0x50 [ 512.346222][ T7319] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 512.352262][ T7319] ___sys_sendmsg+0x135/0x1d0 [ 512.357156][ T7319] ? do_recvmmsg+0x740/0x740 [ 512.361945][ T7319] ? find_held_lock+0x2d/0x110 [ 512.366819][ T7319] ? preempt_count_sub+0x150/0x150 [ 512.372128][ T7319] ? __fget_light+0x1fc/0x260 [ 512.376912][ T7319] __sys_sendmsg+0x117/0x1e0 [ 512.381780][ T7319] ? __sys_sendmsg_sock+0x30/0x30 [ 512.386917][ T7319] ? syscall_enter_from_user_mode+0x26/0x80 [ 512.392909][ T7319] do_syscall_64+0x3f/0x110 [ 512.397428][ T7319] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 512.403604][ T7319] RIP: 0033:0x7f2631248c19 [ 512.408120][ T7319] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 512.428604][ T7319] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 512.437381][ T7319] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 512.445648][ T7319] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 512.453808][ T7319] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 512.462046][ T7319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 512.470121][ T7319] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 512.478661][ T7319] [ 512.526092][ T7319] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 512.565549][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 512.575300][ T4735] CPU: 0 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 512.585493][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 512.595843][ T4735] Call Trace: [ 512.599154][ T4735] [ 512.602109][ T4735] dump_stack_lvl+0x125/0x1b0 [ 512.607093][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 512.611819][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 512.617085][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 512.622676][ T4735] ? spin_bug+0x1d0/0x1d0 [ 512.627071][ T4735] ? net_namespace+0x12/0x40 [ 512.631884][ T4735] ? device_namespace+0x8d/0xc0 [ 512.636783][ T4735] kobject_add_internal+0x2c8/0x960 [ 512.642308][ T4735] kobject_add+0x16f/0x240 [ 512.646861][ T4735] ? kset_create_and_add+0x190/0x190 [ 512.652377][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 512.657721][ T4735] ? kobject_put+0xbe/0x440 [ 512.662533][ T4735] ? device_add+0xc35/0x1aa0 [ 512.667252][ T4735] device_add+0x289/0x1aa0 [ 512.671742][ T4735] ? device_initialize+0x510/0x510 [ 512.676979][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 512.684832][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 512.690345][ T4735] netdev_register_kobject+0x183/0x3f0 [ 512.695856][ T4735] register_netdevice+0xbdf/0x14a0 [ 512.701094][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 512.707194][ T4735] ? alloc_netdev_mqs+0xee6/0x1290 [ 512.712459][ T4735] bpq_device_event+0x39e/0xaf0 [ 512.717352][ T4735] ? team_device_event+0x219/0x750 [ 512.722771][ T4735] notifier_call_chain+0xb6/0x3b0 [ 512.727830][ T4735] ? bpq_seq_stop+0xb0/0xb0 [ 512.732373][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 512.738417][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 512.743756][ T4735] ? dev_change_name+0x800/0x800 [ 512.748905][ T4735] ? dev_set_allmulti+0x30/0x30 [ 512.754259][ T4735] dev_change_flags+0x122/0x170 [ 512.759441][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 512.764638][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 512.769966][ T4735] ? _copy_from_user+0x5d/0xf0 [ 512.774869][ T4735] inet_ioctl+0x3a6/0x3f0 [ 512.779343][ T4735] ? find_held_lock+0x2d/0x110 [ 512.784257][ T4735] ? ipip_gro_complete+0x140/0x140 [ 512.789502][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 512.795278][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 512.801142][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 512.806414][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 512.812350][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 512.817781][ T4735] sock_do_ioctl+0x113/0x270 [ 512.822667][ T4735] ? put_user_ifreq+0x140/0x140 [ 512.827541][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 512.832431][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 512.837638][ T4735] sock_ioctl+0x22e/0x6b0 [ 512.842086][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 512.846829][ T4735] ? __sys_socket+0xad/0x260 [ 512.851543][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 512.856524][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 512.861601][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 512.866668][ T4735] do_syscall_64+0x3f/0x110 [ 512.871281][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 512.877304][ T4735] RIP: 0033:0x7f6854c13d49 [ 512.882006][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 512.902173][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 512.911160][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 512.919434][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 512.927528][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 512.936493][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 512.951448][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 512.959999][ T4735] [ 512.963982][ T4735] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 512.981036][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 512.990952][ T4735] CPU: 0 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 513.000798][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 513.011127][ T4735] Call Trace: [ 513.014618][ T4735] [ 513.017638][ T4735] dump_stack_lvl+0x125/0x1b0 [ 513.022445][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 513.027357][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 513.033325][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 513.039192][ T4735] ? spin_bug+0x1d0/0x1d0 [ 513.043862][ T4735] ? net_namespace+0x12/0x40 [ 513.048581][ T4735] ? device_namespace+0x8d/0xc0 [ 513.053564][ T4735] kobject_add_internal+0x2c8/0x960 [ 513.059250][ T4735] kobject_add+0x16f/0x240 [ 513.063729][ T4735] ? kset_create_and_add+0x190/0x190 [ 513.069161][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 513.074767][ T4735] ? kobject_put+0xbe/0x440 [ 513.079701][ T4735] ? device_add+0xc35/0x1aa0 [ 513.084330][ T4735] device_add+0x289/0x1aa0 [ 513.088948][ T4735] ? device_initialize+0x510/0x510 [ 513.094268][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 513.101511][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 513.106939][ T4735] netdev_register_kobject+0x183/0x3f0 [ 513.112459][ T4735] register_netdevice+0xbdf/0x14a0 [ 513.117793][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 513.123205][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 513.130100][ T4735] ? lapbeth_setup+0x170/0x170 [ 513.135083][ T4735] lapbeth_device_event+0x5b8/0xd40 [ 513.140420][ T4735] notifier_call_chain+0xb6/0x3b0 [ 513.145492][ T4735] ? lapbeth_xmit+0x290/0x290 [ 513.150398][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 513.156520][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 513.161586][ T4735] ? dev_change_name+0x800/0x800 [ 513.166642][ T4735] ? dev_set_allmulti+0x30/0x30 [ 513.171554][ T4735] dev_change_flags+0x122/0x170 [ 513.176801][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 513.181619][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 513.187030][ T4735] ? _copy_from_user+0x5d/0xf0 [ 513.191922][ T4735] inet_ioctl+0x3a6/0x3f0 [ 513.196549][ T4735] ? find_held_lock+0x2d/0x110 [ 513.201528][ T4735] ? ipip_gro_complete+0x140/0x140 [ 513.206760][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 513.212779][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 513.218587][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 513.223839][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 513.229774][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 513.235020][ T4735] sock_do_ioctl+0x113/0x270 [ 513.239732][ T4735] ? put_user_ifreq+0x140/0x140 [ 513.245131][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 513.250032][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 513.255112][ T4735] sock_ioctl+0x22e/0x6b0 [ 513.259479][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 513.264386][ T4735] ? __sys_socket+0xad/0x260 [ 513.269312][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 513.274730][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 513.279447][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 513.284270][ T4735] do_syscall_64+0x3f/0x110 [ 513.289001][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 513.295198][ T4735] RIP: 0033:0x7f6854c13d49 [ 513.299741][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 513.320597][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 513.329680][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 513.337937][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 513.346628][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 513.354721][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 513.362713][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 513.370814][ T4735] [ 513.375121][ T4735] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 513.391245][ T4735] 8021q: adding VLAN 0 to HW filter on device team0 [ 513.401783][ T7319] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 513.434725][ T7319] CPU: 0 PID: 7319 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 513.445985][ T7319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 513.456867][ T7319] Call Trace: [ 513.460396][ T7319] [ 513.463366][ T7319] dump_stack_lvl+0x125/0x1b0 [ 513.468133][ T7319] sysfs_warn_dup+0x7f/0xa0 [ 513.472777][ T7319] sysfs_create_dir_ns+0x247/0x2a0 [ 513.478040][ T7319] ? sysfs_create_mount_point+0xb0/0xb0 [ 513.483891][ T7319] ? spin_bug+0x1d0/0x1d0 [ 513.488366][ T7319] ? net_namespace+0x12/0x40 [ 513.493091][ T7319] ? device_namespace+0x8d/0xc0 [ 513.498090][ T7319] kobject_add_internal+0x2c8/0x960 [ 513.503367][ T7319] kobject_add+0x16f/0x240 [ 513.508014][ T7319] ? kset_create_and_add+0x190/0x190 [ 513.513342][ T7319] ? do_raw_spin_unlock+0x173/0x230 [ 513.518587][ T7319] ? kobject_put+0xbe/0x440 [ 513.523134][ T7319] ? device_add+0xc35/0x1aa0 [ 513.527776][ T7319] device_add+0x289/0x1aa0 [ 513.532256][ T7319] ? device_initialize+0x510/0x510 [ 513.537418][ T7319] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 513.544459][ T7319] ? __init_waitqueue_head+0xca/0x150 [ 513.549885][ T7319] netdev_register_kobject+0x183/0x3f0 [ 513.555388][ T7319] register_netdevice+0xbdf/0x14a0 [ 513.560571][ T7319] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 513.567278][ T7319] ? validate_linkmsg+0x6fc/0x9c0 [ 513.572795][ T7319] ? rtnl_create_link+0xa6d/0xfd0 [ 513.578406][ T7319] ? batadv_get_sset_count+0x40/0x40 [ 513.583830][ T7319] batadv_softif_newlink+0x70/0x90 [ 513.589079][ T7319] __rtnl_newlink+0x1173/0x1930 [ 513.594621][ T7319] ? rtnl_link_unregister+0x260/0x260 [ 513.600675][ T7319] rtnl_newlink+0x67/0xa0 [ 513.605034][ T7319] ? __rtnl_newlink+0x1930/0x1930 [ 513.610084][ T7319] rtnetlink_rcv_msg+0x3c7/0xe00 [ 513.615489][ T7319] ? rtnl_getlink+0xb40/0xb40 [ 513.620454][ T7319] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 513.627007][ T7319] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 513.633421][ T7319] netlink_rcv_skb+0x16b/0x440 [ 513.638242][ T7319] ? rtnl_getlink+0xb40/0xb40 [ 513.643490][ T7319] ? netlink_ack+0x1370/0x1370 [ 513.648898][ T7319] ? lock_sync+0x190/0x190 [ 513.654030][ T7319] ? netlink_deliver_tap+0x1a0/0xd00 [ 513.659694][ T7319] ? _copy_from_iter+0x2c1/0x10f0 [ 513.665440][ T7319] netlink_unicast+0x53b/0x810 [ 513.670548][ T7319] ? netlink_attachskb+0x880/0x880 [ 513.675962][ T7319] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 513.683025][ T7319] ? __phys_addr_symbol+0x30/0x70 [ 513.688432][ T7319] ? __check_object_size+0x323/0x730 [ 513.694197][ T7319] netlink_sendmsg+0x93c/0xe40 [ 513.699418][ T7319] ? netlink_unicast+0x810/0x810 [ 513.704585][ T7319] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 513.710081][ T7319] ? netlink_unicast+0x810/0x810 [ 513.715495][ T7319] __sock_sendmsg+0xd5/0x180 [ 513.720550][ T7319] ____sys_sendmsg+0x6ac/0x940 [ 513.726222][ T7319] ? copy_msghdr_from_user+0x10b/0x160 [ 513.731808][ T7319] ? kernel_sendmsg+0x50/0x50 [ 513.736620][ T7319] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 513.742747][ T7319] ___sys_sendmsg+0x135/0x1d0 [ 513.747554][ T7319] ? do_recvmmsg+0x740/0x740 [ 513.752443][ T7319] ? find_held_lock+0x2d/0x110 [ 513.757347][ T7319] ? preempt_count_sub+0x150/0x150 [ 513.762688][ T7319] ? __fget_light+0x1fc/0x260 [ 513.767861][ T7319] __sys_sendmsg+0x117/0x1e0 [ 513.772584][ T7319] ? __sys_sendmsg_sock+0x30/0x30 [ 513.777747][ T7319] ? syscall_enter_from_user_mode+0x26/0x80 [ 513.783766][ T7319] do_syscall_64+0x3f/0x110 [ 513.788321][ T7319] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 513.794337][ T7319] RIP: 0033:0x7f2631248c19 [ 513.798780][ T7319] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 513.818684][ T7319] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 513.827334][ T7319] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 513.835614][ T7319] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 513.843879][ T7319] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 513.851885][ T7319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 513.860057][ T7319] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 513.868070][ T7319] [ 513.873714][ T7319] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 513.966584][ T7324] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 513.991227][ T7324] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 514.014503][ T7324] CPU: 1 PID: 7324 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 514.025342][ T7324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 514.035605][ T7324] Call Trace: [ 514.038940][ T7324] [ 514.041903][ T7324] dump_stack_lvl+0x125/0x1b0 [ 514.046806][ T7324] sysfs_warn_dup+0x7f/0xa0 [ 514.051711][ T7324] sysfs_create_dir_ns+0x247/0x2a0 [ 514.056888][ T7324] ? sysfs_create_mount_point+0xb0/0xb0 [ 514.062678][ T7324] ? spin_bug+0x1d0/0x1d0 [ 514.068209][ T7324] ? net_namespace+0x12/0x40 [ 514.073128][ T7324] ? device_namespace+0x8d/0xc0 [ 514.078307][ T7324] kobject_add_internal+0x2c8/0x960 [ 514.084676][ T7324] kobject_add+0x16f/0x240 [ 514.089206][ T7324] ? kset_create_and_add+0x190/0x190 [ 514.094867][ T7324] ? do_raw_spin_unlock+0x173/0x230 [ 514.101525][ T7324] ? kobject_put+0xbe/0x440 [ 514.107307][ T7324] ? device_add+0xc35/0x1aa0 [ 514.112213][ T7324] device_add+0x289/0x1aa0 [ 514.116770][ T7324] ? device_initialize+0x510/0x510 [ 514.122202][ T7324] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 514.129624][ T7324] ? __init_waitqueue_head+0xca/0x150 [ 514.136702][ T7324] netdev_register_kobject+0x183/0x3f0 [ 514.142652][ T7324] register_netdevice+0xbdf/0x14a0 [ 514.147798][ T7324] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 514.153786][ T7324] ? team_nl_cmd_noop+0x280/0x280 [ 514.159211][ T7324] team_newlink+0x92/0x160 [ 514.163834][ T7324] ? team_nl_cmd_noop+0x280/0x280 [ 514.168976][ T7324] ? rtnl_create_link+0xa6d/0xfd0 [ 514.174032][ T7324] __rtnl_newlink+0x1173/0x1930 [ 514.178942][ T7324] ? rtnl_link_unregister+0x260/0x260 [ 514.184371][ T7324] rtnl_newlink+0x67/0xa0 [ 514.189155][ T7324] ? __rtnl_newlink+0x1930/0x1930 [ 514.200556][ T7324] rtnetlink_rcv_msg+0x3c7/0xe00 [ 514.205711][ T7324] ? rtnl_getlink+0xb40/0xb40 [ 514.210398][ T7324] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 514.217131][ T7324] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 514.223594][ T7324] netlink_rcv_skb+0x16b/0x440 [ 514.228381][ T7324] ? rtnl_getlink+0xb40/0xb40 [ 514.233157][ T7324] ? netlink_ack+0x1370/0x1370 [ 514.237948][ T7324] ? lock_sync+0x190/0x190 [ 514.242407][ T7324] ? netlink_deliver_tap+0x1a0/0xd00 [ 514.247877][ T7324] ? _copy_from_iter+0x2c1/0x10f0 [ 514.252929][ T7324] netlink_unicast+0x53b/0x810 [ 514.257825][ T7324] ? netlink_attachskb+0x880/0x880 [ 514.263046][ T7324] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 514.268958][ T7324] ? __phys_addr_symbol+0x30/0x70 [ 514.274083][ T7324] ? __check_object_size+0x323/0x730 [ 514.279395][ T7324] netlink_sendmsg+0x93c/0xe40 [ 514.284473][ T7324] ? netlink_unicast+0x810/0x810 [ 514.289573][ T7324] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 514.294887][ T7324] ? netlink_unicast+0x810/0x810 [ 514.299854][ T7324] __sock_sendmsg+0xd5/0x180 [ 514.304560][ T7324] ____sys_sendmsg+0x6ac/0x940 [ 514.309455][ T7324] ? copy_msghdr_from_user+0x10b/0x160 [ 514.315727][ T7324] ? kernel_sendmsg+0x50/0x50 [ 514.320437][ T7324] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 514.326724][ T7324] ___sys_sendmsg+0x135/0x1d0 [ 514.331859][ T7324] ? do_recvmmsg+0x740/0x740 [ 514.336663][ T7324] ? find_held_lock+0x2d/0x110 [ 514.342424][ T7324] ? preempt_count_sub+0x150/0x150 [ 514.347629][ T7324] ? __fget_light+0x1fc/0x260 [ 514.352462][ T7324] __sys_sendmsg+0x117/0x1e0 [ 514.357625][ T7324] ? __sys_sendmsg_sock+0x30/0x30 [ 514.362679][ T7324] ? syscall_enter_from_user_mode+0x26/0x80 [ 514.368633][ T7324] do_syscall_64+0x3f/0x110 [ 514.373153][ T7324] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 514.379080][ T7324] RIP: 0033:0x7f2631248c19 [ 514.383545][ T7324] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 514.403171][ T7324] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 514.411788][ T7324] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 514.420614][ T7324] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 514.430794][ T7324] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 514.439158][ T7324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 514.447581][ T7324] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 514.456728][ T7324] [ 514.496075][ T7324] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 514.523701][ T7324] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 514.538420][ T7324] CPU: 0 PID: 7324 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 514.549856][ T7324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 514.560116][ T7324] Call Trace: [ 514.563586][ T7324] [ 514.566627][ T7324] dump_stack_lvl+0x125/0x1b0 [ 514.571350][ T7324] sysfs_warn_dup+0x7f/0xa0 [ 514.575915][ T7324] sysfs_create_dir_ns+0x247/0x2a0 [ 514.581246][ T7324] ? sysfs_create_mount_point+0xb0/0xb0 [ 514.586984][ T7324] ? spin_bug+0x1d0/0x1d0 [ 514.591380][ T7324] ? net_namespace+0x12/0x40 [ 514.596264][ T7324] ? device_namespace+0x8d/0xc0 [ 514.601174][ T7324] kobject_add_internal+0x2c8/0x960 [ 514.606543][ T7324] kobject_add+0x16f/0x240 [ 514.611461][ T7324] ? kset_create_and_add+0x190/0x190 [ 514.616986][ T7324] ? do_raw_spin_unlock+0x173/0x230 [ 514.622238][ T7324] ? kobject_put+0xbe/0x440 [ 514.626824][ T7324] ? device_add+0xc35/0x1aa0 [ 514.631701][ T7324] device_add+0x289/0x1aa0 [ 514.636345][ T7324] ? device_initialize+0x510/0x510 [ 514.641772][ T7324] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 514.648846][ T7324] ? __init_waitqueue_head+0xca/0x150 [ 514.654820][ T7324] netdev_register_kobject+0x183/0x3f0 [ 514.661618][ T7324] register_netdevice+0xbdf/0x14a0 [ 514.667209][ T7324] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 514.673760][ T7324] ? validate_linkmsg+0x6fc/0x9c0 [ 514.679025][ T7324] ? rtnl_create_link+0xa6d/0xfd0 [ 514.684365][ T7324] ? batadv_get_sset_count+0x40/0x40 [ 514.689956][ T7324] batadv_softif_newlink+0x70/0x90 [ 514.695396][ T7324] __rtnl_newlink+0x1173/0x1930 [ 514.700386][ T7324] ? rtnl_link_unregister+0x260/0x260 [ 514.706016][ T7324] rtnl_newlink+0x67/0xa0 [ 514.710393][ T7324] ? __rtnl_newlink+0x1930/0x1930 [ 514.715539][ T7324] rtnetlink_rcv_msg+0x3c7/0xe00 [ 514.720514][ T7324] ? rtnl_getlink+0xb40/0xb40 [ 514.725217][ T7324] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 514.731407][ T7324] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 514.737454][ T7324] netlink_rcv_skb+0x16b/0x440 [ 514.742518][ T7324] ? rtnl_getlink+0xb40/0xb40 [ 514.747323][ T7324] ? netlink_ack+0x1370/0x1370 [ 514.752202][ T7324] ? lock_sync+0x190/0x190 [ 514.756881][ T7324] ? netlink_deliver_tap+0x1a0/0xd00 [ 514.762250][ T7324] ? _copy_from_iter+0x2c1/0x10f0 [ 514.768210][ T7324] netlink_unicast+0x53b/0x810 [ 514.773153][ T7324] ? netlink_attachskb+0x880/0x880 [ 514.778427][ T7324] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 514.784686][ T7324] ? __phys_addr_symbol+0x30/0x70 [ 514.790613][ T7324] ? __check_object_size+0x323/0x730 [ 514.796233][ T7324] netlink_sendmsg+0x93c/0xe40 [ 514.801313][ T7324] ? netlink_unicast+0x810/0x810 [ 514.806288][ T7324] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 514.811599][ T7324] ? netlink_unicast+0x810/0x810 [ 514.816826][ T7324] __sock_sendmsg+0xd5/0x180 [ 514.821648][ T7324] ____sys_sendmsg+0x6ac/0x940 [ 514.826731][ T7324] ? copy_msghdr_from_user+0x10b/0x160 [ 514.832307][ T7324] ? kernel_sendmsg+0x50/0x50 [ 514.837011][ T7324] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 514.843035][ T7324] ___sys_sendmsg+0x135/0x1d0 [ 514.847835][ T7324] ? do_recvmmsg+0x740/0x740 [ 514.852889][ T7324] ? find_held_lock+0x2d/0x110 [ 514.857989][ T7324] ? preempt_count_sub+0x150/0x150 [ 514.863458][ T7324] ? __fget_light+0x1fc/0x260 [ 514.868303][ T7324] __sys_sendmsg+0x117/0x1e0 [ 514.872973][ T7324] ? __sys_sendmsg_sock+0x30/0x30 [ 514.878338][ T7324] ? syscall_enter_from_user_mode+0x26/0x80 [ 514.884701][ T7324] do_syscall_64+0x3f/0x110 [ 514.889465][ T7324] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 514.895664][ T7324] RIP: 0033:0x7f2631248c19 [ 514.900280][ T7324] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 514.921235][ T7324] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 514.929686][ T7324] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 514.937774][ T7324] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 514.946025][ T7324] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 514.954373][ T7324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 514.962489][ T7324] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 514.970606][ T7324] [ 514.982943][ T7324] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 515.056863][ T7332] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 515.074186][ T7332] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 515.095511][ T7332] CPU: 0 PID: 7332 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 515.105998][ T7332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 515.116427][ T7332] Call Trace: [ 515.119932][ T7332] [ 515.122936][ T7332] dump_stack_lvl+0x125/0x1b0 [ 515.128348][ T7332] sysfs_warn_dup+0x7f/0xa0 [ 515.132911][ T7332] sysfs_create_dir_ns+0x247/0x2a0 [ 515.138240][ T7332] ? sysfs_create_mount_point+0xb0/0xb0 [ 515.143942][ T7332] ? spin_bug+0x1d0/0x1d0 [ 515.148409][ T7332] ? net_namespace+0x12/0x40 [ 515.153202][ T7332] ? device_namespace+0x8d/0xc0 [ 515.158175][ T7332] kobject_add_internal+0x2c8/0x960 [ 515.163437][ T7332] kobject_add+0x16f/0x240 [ 515.167980][ T7332] ? kset_create_and_add+0x190/0x190 [ 515.173492][ T7332] ? do_raw_spin_unlock+0x173/0x230 [ 515.178913][ T7332] ? kobject_put+0xbe/0x440 [ 515.183555][ T7332] ? device_add+0xc35/0x1aa0 [ 515.188173][ T7332] device_add+0x289/0x1aa0 [ 515.197444][ T7332] ? device_initialize+0x510/0x510 [ 515.202761][ T7332] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 515.209631][ T7332] ? __init_waitqueue_head+0xca/0x150 [ 515.215216][ T7332] netdev_register_kobject+0x183/0x3f0 [ 515.220963][ T7332] register_netdevice+0xbdf/0x14a0 [ 515.226348][ T7332] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 515.232611][ T7332] ? team_nl_cmd_noop+0x280/0x280 [ 515.237821][ T7332] team_newlink+0x92/0x160 [ 515.242435][ T7332] ? team_nl_cmd_noop+0x280/0x280 [ 515.247564][ T7332] ? rtnl_create_link+0xa6d/0xfd0 [ 515.252727][ T7332] __rtnl_newlink+0x1173/0x1930 [ 515.257861][ T7332] ? rtnl_link_unregister+0x260/0x260 [ 515.263445][ T7332] rtnl_newlink+0x67/0xa0 [ 515.267791][ T7332] ? __rtnl_newlink+0x1930/0x1930 [ 515.272828][ T7332] rtnetlink_rcv_msg+0x3c7/0xe00 [ 515.277777][ T7332] ? rtnl_getlink+0xb40/0xb40 [ 515.282644][ T7332] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 515.289085][ T7332] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 515.295271][ T7332] netlink_rcv_skb+0x16b/0x440 [ 515.300319][ T7332] ? rtnl_getlink+0xb40/0xb40 [ 515.305023][ T7332] ? netlink_ack+0x1370/0x1370 [ 515.309976][ T7332] ? lock_sync+0x190/0x190 [ 515.314606][ T7332] ? netlink_deliver_tap+0x1a0/0xd00 [ 515.320075][ T7332] ? _copy_from_iter+0x2c1/0x10f0 [ 515.325221][ T7332] netlink_unicast+0x53b/0x810 [ 515.330558][ T7332] ? netlink_attachskb+0x880/0x880 [ 515.335765][ T7332] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 515.342099][ T7332] ? __phys_addr_symbol+0x30/0x70 [ 515.347137][ T7332] ? __check_object_size+0x323/0x730 [ 515.352739][ T7332] netlink_sendmsg+0x93c/0xe40 [ 515.357605][ T7332] ? netlink_unicast+0x810/0x810 [ 515.362558][ T7332] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 515.367856][ T7332] ? netlink_unicast+0x810/0x810 [ 515.372802][ T7332] __sock_sendmsg+0xd5/0x180 [ 515.377489][ T7332] ____sys_sendmsg+0x6ac/0x940 [ 515.382438][ T7332] ? copy_msghdr_from_user+0x10b/0x160 [ 515.387961][ T7332] ? kernel_sendmsg+0x50/0x50 [ 515.392757][ T7332] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 515.398857][ T7332] ___sys_sendmsg+0x135/0x1d0 [ 515.403684][ T7332] ? do_recvmmsg+0x740/0x740 [ 515.408449][ T7332] ? find_held_lock+0x2d/0x110 [ 515.413763][ T7332] ? preempt_count_sub+0x150/0x150 [ 515.419077][ T7332] ? __fget_light+0x1fc/0x260 [ 515.423864][ T7332] __sys_sendmsg+0x117/0x1e0 [ 515.428826][ T7332] ? __sys_sendmsg_sock+0x30/0x30 [ 515.434122][ T7332] ? syscall_enter_from_user_mode+0x26/0x80 [ 515.440131][ T7332] do_syscall_64+0x3f/0x110 [ 515.444655][ T7332] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 515.450646][ T7332] RIP: 0033:0x7f2631248c19 [ 515.455068][ T7332] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 515.475571][ T7332] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 515.484320][ T7332] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 515.492488][ T7332] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 515.500926][ T7332] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 515.509167][ T7332] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 515.517511][ T7332] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 515.525684][ T7332] [ 515.537574][ T7332] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 515.568205][ T7332] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 515.604472][ T7332] CPU: 0 PID: 7332 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 515.615046][ T7332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 515.625400][ T7332] Call Trace: [ 515.628740][ T7332] [ 515.631786][ T7332] dump_stack_lvl+0x125/0x1b0 [ 515.636523][ T7332] sysfs_warn_dup+0x7f/0xa0 [ 515.641074][ T7332] sysfs_create_dir_ns+0x247/0x2a0 [ 515.646532][ T7332] ? sysfs_create_mount_point+0xb0/0xb0 [ 515.652656][ T7332] ? spin_bug+0x1d0/0x1d0 [ 515.657055][ T7332] ? net_namespace+0x12/0x40 [ 515.661674][ T7332] ? device_namespace+0x8d/0xc0 [ 515.666590][ T7332] kobject_add_internal+0x2c8/0x960 [ 515.671981][ T7332] kobject_add+0x16f/0x240 [ 515.676536][ T7332] ? kset_create_and_add+0x190/0x190 [ 515.682304][ T7332] ? do_raw_spin_unlock+0x173/0x230 [ 515.688249][ T7332] ? kobject_put+0xbe/0x440 [ 515.692895][ T7332] ? device_add+0xc35/0x1aa0 [ 515.698217][ T7332] device_add+0x289/0x1aa0 [ 515.702758][ T7332] ? device_initialize+0x510/0x510 [ 515.708108][ T7332] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 515.715278][ T7332] ? __init_waitqueue_head+0xca/0x150 [ 515.720902][ T7332] netdev_register_kobject+0x183/0x3f0 [ 515.727032][ T7332] register_netdevice+0xbdf/0x14a0 [ 515.732373][ T7332] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 515.738325][ T7332] ? validate_linkmsg+0x6fc/0x9c0 [ 515.743761][ T7332] ? rtnl_create_link+0xa6d/0xfd0 [ 515.749011][ T7332] ? batadv_get_sset_count+0x40/0x40 [ 515.754696][ T7332] batadv_softif_newlink+0x70/0x90 [ 515.759867][ T7332] __rtnl_newlink+0x1173/0x1930 [ 515.764764][ T7332] ? rtnl_link_unregister+0x260/0x260 [ 515.770202][ T7332] rtnl_newlink+0x67/0xa0 [ 515.774560][ T7332] ? __rtnl_newlink+0x1930/0x1930 [ 515.779700][ T7332] rtnetlink_rcv_msg+0x3c7/0xe00 [ 515.784680][ T7332] ? rtnl_getlink+0xb40/0xb40 [ 515.789510][ T7332] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 515.795637][ T7332] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 515.802026][ T7332] netlink_rcv_skb+0x16b/0x440 [ 515.806938][ T7332] ? rtnl_getlink+0xb40/0xb40 [ 515.811647][ T7332] ? netlink_ack+0x1370/0x1370 [ 515.816528][ T7332] ? lock_sync+0x190/0x190 [ 515.821183][ T7332] ? netlink_deliver_tap+0x1a0/0xd00 [ 515.826500][ T7332] ? _copy_from_iter+0x2c1/0x10f0 [ 515.831702][ T7332] netlink_unicast+0x53b/0x810 [ 515.836506][ T7332] ? netlink_attachskb+0x880/0x880 [ 515.841659][ T7332] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 515.847592][ T7332] ? __phys_addr_symbol+0x30/0x70 [ 515.852736][ T7332] ? __check_object_size+0x323/0x730 [ 515.858417][ T7332] netlink_sendmsg+0x93c/0xe40 [ 515.863225][ T7332] ? netlink_unicast+0x810/0x810 [ 515.868217][ T7332] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 515.874161][ T7332] ? netlink_unicast+0x810/0x810 [ 515.879325][ T7332] __sock_sendmsg+0xd5/0x180 [ 515.884121][ T7332] ____sys_sendmsg+0x6ac/0x940 [ 515.889432][ T7332] ? copy_msghdr_from_user+0x10b/0x160 [ 515.895269][ T7332] ? kernel_sendmsg+0x50/0x50 [ 515.900679][ T7332] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 515.906756][ T7332] ___sys_sendmsg+0x135/0x1d0 [ 515.911573][ T7332] ? do_recvmmsg+0x740/0x740 [ 515.916371][ T7332] ? find_held_lock+0x2d/0x110 [ 515.921187][ T7332] ? preempt_count_sub+0x150/0x150 [ 515.926520][ T7332] ? __fget_light+0x1fc/0x260 [ 515.931331][ T7332] __sys_sendmsg+0x117/0x1e0 [ 515.936313][ T7332] ? __sys_sendmsg_sock+0x30/0x30 [ 515.941502][ T7332] ? syscall_enter_from_user_mode+0x26/0x80 [ 515.947448][ T7332] do_syscall_64+0x3f/0x110 [ 515.952192][ T7332] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 515.958292][ T7332] RIP: 0033:0x7f2631248c19 [ 515.962736][ T7332] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 515.983332][ T7332] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 515.991878][ T7332] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 516.000321][ T7332] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 516.008413][ T7332] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 516.016595][ T7332] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 516.025055][ T7332] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 516.033174][ T7332] [ 516.053485][ T7332] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 516.146725][ T7337] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 516.169847][ T7337] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 516.179859][ T7337] CPU: 1 PID: 7337 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 516.190508][ T7337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 516.200940][ T7337] Call Trace: [ 516.204327][ T7337] [ 516.207274][ T7337] dump_stack_lvl+0x125/0x1b0 [ 516.212185][ T7337] sysfs_warn_dup+0x7f/0xa0 [ 516.216734][ T7337] sysfs_create_dir_ns+0x247/0x2a0 [ 516.221885][ T7337] ? sysfs_create_mount_point+0xb0/0xb0 [ 516.227725][ T7337] ? spin_bug+0x1d0/0x1d0 [ 516.232104][ T7337] ? net_namespace+0x12/0x40 [ 516.236712][ T7337] ? device_namespace+0x8d/0xc0 [ 516.241705][ T7337] kobject_add_internal+0x2c8/0x960 [ 516.247124][ T7337] kobject_add+0x16f/0x240 [ 516.252728][ T7337] ? kset_create_and_add+0x190/0x190 [ 516.258163][ T7337] ? do_raw_spin_unlock+0x173/0x230 [ 516.263492][ T7337] ? kobject_put+0xbe/0x440 [ 516.268312][ T7337] ? device_add+0xc35/0x1aa0 [ 516.273119][ T7337] device_add+0x289/0x1aa0 [ 516.277567][ T7337] ? device_initialize+0x510/0x510 [ 516.282801][ T7337] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 516.290121][ T7337] ? __init_waitqueue_head+0xca/0x150 [ 516.296057][ T7337] netdev_register_kobject+0x183/0x3f0 [ 516.301816][ T7337] register_netdevice+0xbdf/0x14a0 [ 516.307054][ T7337] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 516.312989][ T7337] ? team_nl_cmd_noop+0x280/0x280 [ 516.318676][ T7337] team_newlink+0x92/0x160 [ 516.323236][ T7337] ? team_nl_cmd_noop+0x280/0x280 [ 516.328993][ T7337] ? rtnl_create_link+0xa6d/0xfd0 [ 516.334588][ T7337] __rtnl_newlink+0x1173/0x1930 [ 516.340030][ T7337] ? rtnl_link_unregister+0x260/0x260 [ 516.345814][ T7337] rtnl_newlink+0x67/0xa0 [ 516.350430][ T7337] ? __rtnl_newlink+0x1930/0x1930 [ 516.355739][ T7337] rtnetlink_rcv_msg+0x3c7/0xe00 [ 516.360891][ T7337] ? rtnl_getlink+0xb40/0xb40 [ 516.365938][ T7337] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 516.372068][ T7337] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 516.378181][ T7337] netlink_rcv_skb+0x16b/0x440 [ 516.383061][ T7337] ? rtnl_getlink+0xb40/0xb40 [ 516.388029][ T7337] ? netlink_ack+0x1370/0x1370 [ 516.392919][ T7337] ? lock_sync+0x190/0x190 [ 516.397585][ T7337] ? netlink_deliver_tap+0x1a0/0xd00 [ 516.402926][ T7337] ? _copy_from_iter+0x2c1/0x10f0 [ 516.408018][ T7337] netlink_unicast+0x53b/0x810 [ 516.412933][ T7337] ? netlink_attachskb+0x880/0x880 [ 516.418527][ T7337] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 516.425004][ T7337] ? __phys_addr_symbol+0x30/0x70 [ 516.430519][ T7337] ? __check_object_size+0x323/0x730 [ 516.436294][ T7337] netlink_sendmsg+0x93c/0xe40 [ 516.441851][ T7337] ? netlink_unicast+0x810/0x810 [ 516.447394][ T7337] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 516.453601][ T7337] ? netlink_unicast+0x810/0x810 [ 516.458832][ T7337] __sock_sendmsg+0xd5/0x180 [ 516.463795][ T7337] ____sys_sendmsg+0x6ac/0x940 [ 516.468691][ T7337] ? copy_msghdr_from_user+0x10b/0x160 [ 516.474627][ T7337] ? kernel_sendmsg+0x50/0x50 [ 516.479419][ T7337] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 516.486060][ T7337] ___sys_sendmsg+0x135/0x1d0 [ 516.491037][ T7337] ? do_recvmmsg+0x740/0x740 [ 516.495739][ T7337] ? find_held_lock+0x2d/0x110 [ 516.500763][ T7337] ? preempt_count_sub+0x150/0x150 [ 516.506549][ T7337] ? __fget_light+0x1fc/0x260 [ 516.511491][ T7337] __sys_sendmsg+0x117/0x1e0 [ 516.516436][ T7337] ? __sys_sendmsg_sock+0x30/0x30 [ 516.521634][ T7337] ? syscall_enter_from_user_mode+0x26/0x80 [ 516.527670][ T7337] do_syscall_64+0x3f/0x110 [ 516.532227][ T7337] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 516.538545][ T7337] RIP: 0033:0x7f2631248c19 [ 516.543009][ T7337] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 516.563018][ T7337] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 516.572007][ T7337] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 516.580273][ T7337] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 516.588881][ T7337] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 516.597148][ T7337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 516.605147][ T7337] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 516.613254][ T7337] [ 516.618389][ T7337] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 516.645582][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 516.655662][ T4735] CPU: 0 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 516.665682][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 516.675944][ T4735] Call Trace: [ 516.679266][ T4735] [ 516.682535][ T4735] dump_stack_lvl+0x125/0x1b0 [ 516.687723][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 516.692813][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 516.698077][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 516.704553][ T4735] ? spin_bug+0x1d0/0x1d0 [ 516.708941][ T4735] ? net_namespace+0x12/0x40 [ 516.713757][ T4735] ? device_namespace+0x8d/0xc0 [ 516.719064][ T4735] kobject_add_internal+0x2c8/0x960 [ 516.724403][ T4735] kobject_add+0x16f/0x240 [ 516.731819][ T4735] ? kset_create_and_add+0x190/0x190 [ 516.737149][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 516.742929][ T4735] ? kobject_put+0xbe/0x440 [ 516.747654][ T4735] ? device_add+0xc35/0x1aa0 [ 516.752369][ T4735] device_add+0x289/0x1aa0 [ 516.756905][ T4735] ? device_initialize+0x510/0x510 [ 516.762112][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 516.769101][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 516.774934][ T4735] netdev_register_kobject+0x183/0x3f0 [ 516.780672][ T4735] register_netdevice+0xbdf/0x14a0 [ 516.785892][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 516.791928][ T4735] ? alloc_netdev_mqs+0xee6/0x1290 [ 516.797177][ T4735] bpq_device_event+0x39e/0xaf0 [ 516.802345][ T4735] ? team_device_event+0x219/0x750 [ 516.807576][ T4735] notifier_call_chain+0xb6/0x3b0 [ 516.812623][ T4735] ? bpq_seq_stop+0xb0/0xb0 [ 516.817143][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 516.823176][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 516.828327][ T4735] ? dev_change_name+0x800/0x800 [ 516.833460][ T4735] ? dev_set_allmulti+0x30/0x30 [ 516.838617][ T4735] dev_change_flags+0x122/0x170 [ 516.843651][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 516.851904][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 516.857056][ T4735] ? _copy_from_user+0x5d/0xf0 [ 516.861941][ T4735] inet_ioctl+0x3a6/0x3f0 [ 516.866634][ T4735] ? find_held_lock+0x2d/0x110 [ 516.871760][ T4735] ? ipip_gro_complete+0x140/0x140 [ 516.876996][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 516.882955][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 516.888880][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 516.894114][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 516.900632][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 516.905932][ T4735] sock_do_ioctl+0x113/0x270 [ 516.910627][ T4735] ? put_user_ifreq+0x140/0x140 [ 516.915692][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 516.920614][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 516.926124][ T4735] sock_ioctl+0x22e/0x6b0 [ 516.931531][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 516.936938][ T4735] ? __sys_socket+0xad/0x260 [ 516.941713][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 516.946765][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 516.951741][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 516.956641][ T4735] do_syscall_64+0x3f/0x110 [ 516.961543][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 516.968835][ T4735] RIP: 0033:0x7f6854c13d49 [ 516.974395][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 516.994883][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 517.003651][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 517.011981][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 517.020051][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 517.028031][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 517.036120][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 517.044589][ T4735] [ 517.051738][ T4735] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 517.080824][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 517.091694][ T4735] CPU: 0 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 517.102068][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 517.112399][ T4735] Call Trace: [ 517.115797][ T4735] [ 517.119035][ T4735] dump_stack_lvl+0x125/0x1b0 [ 517.123750][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 517.128639][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 517.134397][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 517.139983][ T4735] ? spin_bug+0x1d0/0x1d0 [ 517.144444][ T4735] ? net_namespace+0x12/0x40 [ 517.149144][ T4735] ? device_namespace+0x8d/0xc0 [ 517.154118][ T4735] kobject_add_internal+0x2c8/0x960 [ 517.160061][ T4735] kobject_add+0x16f/0x240 [ 517.165045][ T4735] ? kset_create_and_add+0x190/0x190 [ 517.170448][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 517.175769][ T4735] ? kobject_put+0xbe/0x440 [ 517.180486][ T4735] ? device_add+0xc35/0x1aa0 [ 517.185205][ T4735] device_add+0x289/0x1aa0 [ 517.189653][ T4735] ? device_initialize+0x510/0x510 [ 517.194805][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 517.201786][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 517.207359][ T4735] netdev_register_kobject+0x183/0x3f0 [ 517.213226][ T4735] register_netdevice+0xbdf/0x14a0 [ 517.218649][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 517.223901][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 517.230703][ T4735] ? lapbeth_setup+0x170/0x170 [ 517.235520][ T4735] lapbeth_device_event+0x5b8/0xd40 [ 517.241109][ T4735] notifier_call_chain+0xb6/0x3b0 [ 517.246265][ T4735] ? lapbeth_xmit+0x290/0x290 [ 517.250989][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 517.257537][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 517.262798][ T4735] ? dev_change_name+0x800/0x800 [ 517.268727][ T4735] ? dev_set_allmulti+0x30/0x30 [ 517.273662][ T4735] dev_change_flags+0x122/0x170 [ 517.278549][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 517.283353][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 517.288951][ T4735] ? _copy_from_user+0x5d/0xf0 [ 517.294373][ T4735] inet_ioctl+0x3a6/0x3f0 [ 517.298999][ T4735] ? find_held_lock+0x2d/0x110 [ 517.303989][ T4735] ? ipip_gro_complete+0x140/0x140 [ 517.309357][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 517.315141][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 517.320985][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 517.326177][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 517.332022][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 517.337348][ T4735] sock_do_ioctl+0x113/0x270 [ 517.341995][ T4735] ? put_user_ifreq+0x140/0x140 [ 517.347163][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 517.352169][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 517.357521][ T4735] sock_ioctl+0x22e/0x6b0 [ 517.362243][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 517.366959][ T4735] ? __sys_socket+0xad/0x260 [ 517.371667][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 517.376827][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 517.384147][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 517.388987][ T4735] do_syscall_64+0x3f/0x110 [ 517.393624][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 517.399545][ T4735] RIP: 0033:0x7f6854c13d49 [ 517.403984][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 517.424596][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 517.434370][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 517.442574][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 517.451380][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 517.463066][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 517.471303][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 517.479412][ T4735] [ 517.483556][ T4735] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 517.502817][ T4735] 8021q: adding VLAN 0 to HW filter on device team1 [ 517.515546][ T7337] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 517.525149][ T7337] CPU: 1 PID: 7337 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 517.535607][ T7337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 517.545701][ T7337] Call Trace: [ 517.549001][ T7337] [ 517.551945][ T7337] dump_stack_lvl+0x125/0x1b0 [ 517.557021][ T7337] sysfs_warn_dup+0x7f/0xa0 [ 517.561579][ T7337] sysfs_create_dir_ns+0x247/0x2a0 [ 517.567097][ T7337] ? sysfs_create_mount_point+0xb0/0xb0 [ 517.572778][ T7337] ? spin_bug+0x1d0/0x1d0 [ 517.577501][ T7337] ? net_namespace+0x12/0x40 [ 517.582195][ T7337] ? device_namespace+0x8d/0xc0 [ 517.587877][ T7337] kobject_add_internal+0x2c8/0x960 [ 517.595238][ T7337] kobject_add+0x16f/0x240 [ 517.599980][ T7337] ? kset_create_and_add+0x190/0x190 [ 517.606470][ T7337] ? do_raw_spin_unlock+0x173/0x230 [ 517.612017][ T7337] ? kobject_put+0xbe/0x440 [ 517.616569][ T7337] ? device_add+0xc35/0x1aa0 [ 517.621649][ T7337] device_add+0x289/0x1aa0 [ 517.626132][ T7337] ? device_initialize+0x510/0x510 [ 517.631476][ T7337] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 517.638723][ T7337] ? __init_waitqueue_head+0xca/0x150 [ 517.644401][ T7337] netdev_register_kobject+0x183/0x3f0 [ 517.650166][ T7337] register_netdevice+0xbdf/0x14a0 [ 517.655416][ T7337] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 517.661682][ T7337] ? validate_linkmsg+0x6fc/0x9c0 [ 517.666862][ T7337] ? rtnl_create_link+0xa6d/0xfd0 [ 517.672542][ T7337] ? batadv_get_sset_count+0x40/0x40 [ 517.677951][ T7337] batadv_softif_newlink+0x70/0x90 [ 517.683428][ T7337] __rtnl_newlink+0x1173/0x1930 [ 517.688682][ T7337] ? rtnl_link_unregister+0x260/0x260 [ 517.694212][ T7337] rtnl_newlink+0x67/0xa0 [ 517.698581][ T7337] ? __rtnl_newlink+0x1930/0x1930 [ 517.703911][ T7337] rtnetlink_rcv_msg+0x3c7/0xe00 [ 517.709345][ T7337] ? rtnl_getlink+0xb40/0xb40 [ 517.714060][ T7337] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 517.720607][ T7337] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 517.726817][ T7337] netlink_rcv_skb+0x16b/0x440 [ 517.731791][ T7337] ? rtnl_getlink+0xb40/0xb40 [ 517.736503][ T7337] ? netlink_ack+0x1370/0x1370 [ 517.741342][ T7337] ? lock_sync+0x190/0x190 [ 517.745900][ T7337] ? netlink_deliver_tap+0x1a0/0xd00 [ 517.751567][ T7337] ? _copy_from_iter+0x2c1/0x10f0 [ 517.756726][ T7337] netlink_unicast+0x53b/0x810 [ 517.761527][ T7337] ? netlink_attachskb+0x880/0x880 [ 517.766849][ T7337] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 517.772856][ T7337] ? __phys_addr_symbol+0x30/0x70 [ 517.777996][ T7337] ? __check_object_size+0x323/0x730 [ 517.783414][ T7337] netlink_sendmsg+0x93c/0xe40 [ 517.788380][ T7337] ? netlink_unicast+0x810/0x810 [ 517.793361][ T7337] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 517.798764][ T7337] ? netlink_unicast+0x810/0x810 [ 517.803749][ T7337] __sock_sendmsg+0xd5/0x180 [ 517.808467][ T7337] ____sys_sendmsg+0x6ac/0x940 [ 517.813362][ T7337] ? copy_msghdr_from_user+0x10b/0x160 [ 517.819208][ T7337] ? kernel_sendmsg+0x50/0x50 [ 517.824006][ T7337] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 517.830040][ T7337] ___sys_sendmsg+0x135/0x1d0 [ 517.835217][ T7337] ? do_recvmmsg+0x740/0x740 [ 517.840094][ T7337] ? find_held_lock+0x2d/0x110 [ 517.845249][ T7337] ? preempt_count_sub+0x150/0x150 [ 517.850409][ T7337] ? __fget_light+0x1fc/0x260 [ 517.855412][ T7337] __sys_sendmsg+0x117/0x1e0 [ 517.860123][ T7337] ? __sys_sendmsg_sock+0x30/0x30 [ 517.865377][ T7337] ? syscall_enter_from_user_mode+0x26/0x80 [ 517.871486][ T7337] do_syscall_64+0x3f/0x110 [ 517.876025][ T7337] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 517.882031][ T7337] RIP: 0033:0x7f2631248c19 [ 517.886555][ T7337] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 517.907083][ T7337] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 517.915881][ T7337] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 517.924326][ T7337] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 517.933201][ T7337] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 517.941567][ T7337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 517.951140][ T7337] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 517.959349][ T7337] [ 517.996655][ T7337] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 518.077505][ T7341] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 518.096573][ T7341] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 518.120040][ T7341] CPU: 0 PID: 7341 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 518.130885][ T7341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 518.141497][ T7341] Call Trace: [ 518.145069][ T7341] [ 518.148112][ T7341] dump_stack_lvl+0x125/0x1b0 [ 518.152969][ T7341] sysfs_warn_dup+0x7f/0xa0 [ 518.157542][ T7341] sysfs_create_dir_ns+0x247/0x2a0 [ 518.162717][ T7341] ? sysfs_create_mount_point+0xb0/0xb0 [ 518.168749][ T7341] ? spin_bug+0x1d0/0x1d0 [ 518.173136][ T7341] ? net_namespace+0x12/0x40 [ 518.177855][ T7341] ? device_namespace+0x8d/0xc0 [ 518.183025][ T7341] kobject_add_internal+0x2c8/0x960 [ 518.188543][ T7341] kobject_add+0x16f/0x240 [ 518.193296][ T7341] ? kset_create_and_add+0x190/0x190 [ 518.198631][ T7341] ? do_raw_spin_unlock+0x173/0x230 [ 518.204047][ T7341] ? kobject_put+0xbe/0x440 [ 518.208687][ T7341] ? device_add+0xc35/0x1aa0 [ 518.213841][ T7341] device_add+0x289/0x1aa0 [ 518.218497][ T7341] ? device_initialize+0x510/0x510 [ 518.223928][ T7341] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 518.230835][ T7341] ? __init_waitqueue_head+0xca/0x150 [ 518.236705][ T7341] netdev_register_kobject+0x183/0x3f0 [ 518.242447][ T7341] register_netdevice+0xbdf/0x14a0 [ 518.247702][ T7341] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 518.254606][ T7341] ? team_nl_cmd_noop+0x280/0x280 [ 518.259680][ T7341] team_newlink+0x92/0x160 [ 518.264589][ T7341] ? team_nl_cmd_noop+0x280/0x280 [ 518.269658][ T7341] ? rtnl_create_link+0xa6d/0xfd0 [ 518.274817][ T7341] __rtnl_newlink+0x1173/0x1930 [ 518.280022][ T7341] ? rtnl_link_unregister+0x260/0x260 [ 518.285558][ T7341] rtnl_newlink+0x67/0xa0 [ 518.290005][ T7341] ? __rtnl_newlink+0x1930/0x1930 [ 518.295317][ T7341] rtnetlink_rcv_msg+0x3c7/0xe00 [ 518.300470][ T7341] ? rtnl_getlink+0xb40/0xb40 [ 518.305629][ T7341] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 518.311656][ T7341] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 518.318131][ T7341] netlink_rcv_skb+0x16b/0x440 [ 518.323036][ T7341] ? rtnl_getlink+0xb40/0xb40 [ 518.327750][ T7341] ? netlink_ack+0x1370/0x1370 [ 518.332542][ T7341] ? lock_sync+0x190/0x190 [ 518.337280][ T7341] ? netlink_deliver_tap+0x1a0/0xd00 [ 518.342869][ T7341] ? _copy_from_iter+0x2c1/0x10f0 [ 518.348905][ T7341] netlink_unicast+0x53b/0x810 [ 518.354442][ T7341] ? netlink_attachskb+0x880/0x880 [ 518.359690][ T7341] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 518.366148][ T7341] ? __phys_addr_symbol+0x30/0x70 [ 518.371387][ T7341] ? __check_object_size+0x323/0x730 [ 518.376824][ T7341] netlink_sendmsg+0x93c/0xe40 [ 518.382505][ T7341] ? netlink_unicast+0x810/0x810 [ 518.387662][ T7341] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 518.393158][ T7341] ? netlink_unicast+0x810/0x810 [ 518.398826][ T7341] __sock_sendmsg+0xd5/0x180 [ 518.403888][ T7341] ____sys_sendmsg+0x6ac/0x940 [ 518.408697][ T7341] ? copy_msghdr_from_user+0x10b/0x160 [ 518.414202][ T7341] ? kernel_sendmsg+0x50/0x50 [ 518.419098][ T7341] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 518.426876][ T7341] ___sys_sendmsg+0x135/0x1d0 [ 518.431683][ T7341] ? do_recvmmsg+0x740/0x740 [ 518.437026][ T7341] ? find_held_lock+0x2d/0x110 [ 518.442238][ T7341] ? preempt_count_sub+0x150/0x150 [ 518.448192][ T7341] ? __fget_light+0x1fc/0x260 [ 518.453279][ T7341] __sys_sendmsg+0x117/0x1e0 [ 518.458256][ T7341] ? __sys_sendmsg_sock+0x30/0x30 [ 518.463693][ T7341] ? syscall_enter_from_user_mode+0x26/0x80 [ 518.469975][ T7341] do_syscall_64+0x3f/0x110 [ 518.474628][ T7341] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 518.480818][ T7341] RIP: 0033:0x7f2631248c19 [ 518.485266][ T7341] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 518.505454][ T7341] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 518.514337][ T7341] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 518.522344][ T7341] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 518.530953][ T7341] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 518.539045][ T7341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 518.547408][ T7341] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 518.555532][ T7341] [ 518.684981][ T7341] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 518.759466][ T7341] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 518.778262][ T7341] CPU: 1 PID: 7341 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 518.788661][ T7341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 518.798928][ T7341] Call Trace: [ 518.802239][ T7341] [ 518.805193][ T7341] dump_stack_lvl+0x125/0x1b0 [ 518.809915][ T7341] sysfs_warn_dup+0x7f/0xa0 [ 518.814564][ T7341] sysfs_create_dir_ns+0x247/0x2a0 [ 518.819808][ T7341] ? sysfs_create_mount_point+0xb0/0xb0 [ 518.825409][ T7341] ? spin_bug+0x1d0/0x1d0 [ 518.829876][ T7341] ? net_namespace+0x12/0x40 [ 518.834590][ T7341] ? device_namespace+0x8d/0xc0 [ 518.839578][ T7341] kobject_add_internal+0x2c8/0x960 [ 518.844922][ T7341] kobject_add+0x16f/0x240 [ 518.849374][ T7341] ? kset_create_and_add+0x190/0x190 [ 518.854706][ T7341] ? do_raw_spin_unlock+0x173/0x230 [ 518.860066][ T7341] ? kobject_put+0xbe/0x440 [ 518.864626][ T7341] ? device_add+0xc35/0x1aa0 [ 518.869334][ T7341] device_add+0x289/0x1aa0 [ 518.873877][ T7341] ? device_initialize+0x510/0x510 [ 518.879029][ T7341] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 518.885999][ T7341] ? __init_waitqueue_head+0xca/0x150 [ 518.891557][ T7341] netdev_register_kobject+0x183/0x3f0 [ 518.897165][ T7341] register_netdevice+0xbdf/0x14a0 [ 518.902395][ T7341] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 518.908485][ T7341] ? validate_linkmsg+0x6fc/0x9c0 [ 518.913725][ T7341] ? rtnl_create_link+0xa6d/0xfd0 [ 518.918828][ T7341] ? batadv_get_sset_count+0x40/0x40 [ 518.924337][ T7341] batadv_softif_newlink+0x70/0x90 [ 518.929628][ T7341] __rtnl_newlink+0x1173/0x1930 [ 518.934610][ T7341] ? rtnl_link_unregister+0x260/0x260 [ 518.940244][ T7341] rtnl_newlink+0x67/0xa0 [ 518.944865][ T7341] ? __rtnl_newlink+0x1930/0x1930 [ 518.950452][ T7341] rtnetlink_rcv_msg+0x3c7/0xe00 [ 518.955955][ T7341] ? rtnl_getlink+0xb40/0xb40 [ 518.960777][ T7341] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 518.966970][ T7341] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 518.973179][ T7341] netlink_rcv_skb+0x16b/0x440 [ 518.978509][ T7341] ? rtnl_getlink+0xb40/0xb40 [ 518.983333][ T7341] ? netlink_ack+0x1370/0x1370 [ 518.988189][ T7341] ? lock_sync+0x190/0x190 [ 518.993078][ T7341] ? netlink_deliver_tap+0x1a0/0xd00 [ 518.998661][ T7341] ? _copy_from_iter+0x2c1/0x10f0 [ 519.003920][ T7341] netlink_unicast+0x53b/0x810 [ 519.008777][ T7341] ? netlink_attachskb+0x880/0x880 [ 519.013918][ T7341] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 519.020044][ T7341] ? __phys_addr_symbol+0x30/0x70 [ 519.025187][ T7341] ? __check_object_size+0x323/0x730 [ 519.030601][ T7341] netlink_sendmsg+0x93c/0xe40 [ 519.035577][ T7341] ? netlink_unicast+0x810/0x810 [ 519.040731][ T7341] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 519.046130][ T7341] ? netlink_unicast+0x810/0x810 [ 519.051272][ T7341] __sock_sendmsg+0xd5/0x180 [ 519.055894][ T7341] ____sys_sendmsg+0x6ac/0x940 [ 519.061205][ T7341] ? copy_msghdr_from_user+0x10b/0x160 [ 519.066794][ T7341] ? kernel_sendmsg+0x50/0x50 [ 519.071591][ T7341] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 519.078105][ T7341] ___sys_sendmsg+0x135/0x1d0 [ 519.083367][ T7341] ? do_recvmmsg+0x740/0x740 [ 519.088269][ T7341] ? find_held_lock+0x2d/0x110 [ 519.093351][ T7341] ? preempt_count_sub+0x150/0x150 [ 519.098707][ T7341] ? __fget_light+0x1fc/0x260 [ 519.103520][ T7341] __sys_sendmsg+0x117/0x1e0 [ 519.108664][ T7341] ? __sys_sendmsg_sock+0x30/0x30 [ 519.113850][ T7341] ? syscall_enter_from_user_mode+0x26/0x80 [ 519.120231][ T7341] do_syscall_64+0x3f/0x110 [ 519.124874][ T7341] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 519.131059][ T7341] RIP: 0033:0x7f2631248c19 [ 519.135593][ T7341] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 519.155403][ T7341] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 519.164104][ T7341] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 519.172327][ T7341] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 519.180543][ T7341] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 519.189091][ T7341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 519.198151][ T7341] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 519.206712][ T7341] [ 519.244570][ T7341] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 519.337593][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 519.347613][ T4735] CPU: 0 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 519.357015][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 519.367381][ T4735] Call Trace: [ 519.370694][ T4735] [ 519.373642][ T4735] dump_stack_lvl+0x125/0x1b0 [ 519.378358][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 519.383167][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 519.388328][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 519.394032][ T4735] ? spin_bug+0x1d0/0x1d0 [ 519.398493][ T4735] ? net_namespace+0x12/0x40 [ 519.403108][ T4735] ? device_namespace+0x8d/0xc0 [ 519.408438][ T4735] kobject_add_internal+0x2c8/0x960 [ 519.413887][ T4735] kobject_add+0x16f/0x240 [ 519.418615][ T4735] ? kset_create_and_add+0x190/0x190 [ 519.424408][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 519.430111][ T4735] ? kobject_put+0xbe/0x440 [ 519.434849][ T4735] ? device_add+0xc35/0x1aa0 [ 519.439836][ T4735] device_add+0x289/0x1aa0 [ 519.444761][ T4735] ? device_initialize+0x510/0x510 [ 519.450475][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 519.457716][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 519.463406][ T4735] netdev_register_kobject+0x183/0x3f0 [ 519.469177][ T4735] register_netdevice+0xbdf/0x14a0 [ 519.474463][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 519.480646][ T4735] ? alloc_netdev_mqs+0xee6/0x1290 [ 519.485974][ T4735] bpq_device_event+0x39e/0xaf0 [ 519.491208][ T4735] ? team_device_event+0x219/0x750 [ 519.496545][ T4735] notifier_call_chain+0xb6/0x3b0 [ 519.502438][ T4735] ? bpq_seq_stop+0xb0/0xb0 [ 519.507167][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 519.513837][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 519.519255][ T4735] ? dev_change_name+0x800/0x800 [ 519.524313][ T4735] ? dev_set_allmulti+0x30/0x30 [ 519.530825][ T4735] dev_change_flags+0x122/0x170 [ 519.542597][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 519.547670][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 519.552901][ T4735] ? _copy_from_user+0x5d/0xf0 [ 519.558331][ T4735] inet_ioctl+0x3a6/0x3f0 [ 519.562792][ T4735] ? find_held_lock+0x2d/0x110 [ 519.567683][ T4735] ? ipip_gro_complete+0x140/0x140 [ 519.573008][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 519.578974][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 519.584651][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 519.590076][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 519.595921][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 519.601339][ T4735] sock_do_ioctl+0x113/0x270 [ 519.606208][ T4735] ? put_user_ifreq+0x140/0x140 [ 519.611529][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 519.616439][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 519.621607][ T4735] sock_ioctl+0x22e/0x6b0 [ 519.626161][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 519.631936][ T4735] ? __sys_socket+0xad/0x260 [ 519.636867][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 519.641947][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 519.646662][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 519.651651][ T4735] do_syscall_64+0x3f/0x110 [ 519.656370][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 519.662580][ T4735] RIP: 0033:0x7f6854c13d49 [ 519.667268][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 519.687825][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 519.697154][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 519.705511][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 519.713508][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 519.721624][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 519.729807][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 519.738436][ T4735] [ 519.742842][ T4735] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 519.763486][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 519.773204][ T4735] CPU: 1 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 519.783060][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 519.794039][ T4735] Call Trace: [ 519.797371][ T4735] [ 519.800586][ T4735] dump_stack_lvl+0x125/0x1b0 [ 519.805691][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 519.810494][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 519.816166][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 519.821845][ T4735] ? spin_bug+0x1d0/0x1d0 [ 519.826755][ T4735] ? net_namespace+0x12/0x40 [ 519.831741][ T4735] ? device_namespace+0x8d/0xc0 [ 519.837381][ T4735] kobject_add_internal+0x2c8/0x960 [ 519.842830][ T4735] kobject_add+0x16f/0x240 [ 519.849068][ T4735] ? kset_create_and_add+0x190/0x190 [ 519.854398][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 519.859984][ T4735] ? kobject_put+0xbe/0x440 [ 519.864533][ T4735] ? device_add+0xc35/0x1aa0 [ 519.869241][ T4735] device_add+0x289/0x1aa0 [ 519.873857][ T4735] ? device_initialize+0x510/0x510 [ 519.879098][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 519.886588][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 519.892405][ T4735] netdev_register_kobject+0x183/0x3f0 [ 519.898721][ T4735] register_netdevice+0xbdf/0x14a0 [ 519.904185][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 519.909793][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 519.915831][ T4735] ? lapbeth_setup+0x170/0x170 [ 519.920863][ T4735] lapbeth_device_event+0x5b8/0xd40 [ 519.926207][ T4735] notifier_call_chain+0xb6/0x3b0 [ 519.931377][ T4735] ? lapbeth_xmit+0x290/0x290 [ 519.936117][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 519.942436][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 519.947688][ T4735] ? dev_change_name+0x800/0x800 [ 519.953304][ T4735] ? dev_set_allmulti+0x30/0x30 [ 519.958557][ T4735] dev_change_flags+0x122/0x170 [ 519.963545][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 519.968495][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 519.973637][ T4735] ? _copy_from_user+0x5d/0xf0 [ 519.978901][ T4735] inet_ioctl+0x3a6/0x3f0 [ 519.983269][ T4735] ? find_held_lock+0x2d/0x110 [ 519.988436][ T4735] ? ipip_gro_complete+0x140/0x140 [ 519.993875][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 519.999722][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 520.006014][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 520.011620][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 520.018083][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 520.023590][ T4735] sock_do_ioctl+0x113/0x270 [ 520.029013][ T4735] ? put_user_ifreq+0x140/0x140 [ 520.033902][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 520.038855][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 520.044362][ T4735] sock_ioctl+0x22e/0x6b0 [ 520.048729][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 520.053561][ T4735] ? __sys_socket+0xad/0x260 [ 520.059747][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 520.064902][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 520.071433][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 520.076608][ T4735] do_syscall_64+0x3f/0x110 [ 520.081499][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 520.087694][ T4735] RIP: 0033:0x7f6854c13d49 [ 520.092485][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 520.112836][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 520.125807][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 520.133813][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 520.142422][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 520.151209][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 520.160422][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 520.168881][ T4735] [ 520.173948][ T4735] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 520.190798][ T4735] 8021q: adding VLAN 0 to HW filter on device team2 [ 520.200405][ T7353] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 520.212535][ T7353] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 520.223450][ T7353] CPU: 1 PID: 7353 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 520.233915][ T7353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 520.244362][ T7353] Call Trace: [ 520.247672][ T7353] [ 520.250710][ T7353] dump_stack_lvl+0x125/0x1b0 [ 520.255530][ T7353] sysfs_warn_dup+0x7f/0xa0 [ 520.260347][ T7353] sysfs_create_dir_ns+0x247/0x2a0 [ 520.265785][ T7353] ? sysfs_create_mount_point+0xb0/0xb0 [ 520.271932][ T7353] ? spin_bug+0x1d0/0x1d0 [ 520.276555][ T7353] ? net_namespace+0x12/0x40 [ 520.281724][ T7353] ? device_namespace+0x8d/0xc0 [ 520.286729][ T7353] kobject_add_internal+0x2c8/0x960 [ 520.292268][ T7353] kobject_add+0x16f/0x240 [ 520.297123][ T7353] ? kset_create_and_add+0x190/0x190 [ 520.302910][ T7353] ? do_raw_spin_unlock+0x173/0x230 [ 520.308156][ T7353] ? kobject_put+0xbe/0x440 [ 520.312699][ T7353] ? device_add+0xc35/0x1aa0 [ 520.317505][ T7353] device_add+0x289/0x1aa0 [ 520.322395][ T7353] ? device_initialize+0x510/0x510 [ 520.327885][ T7353] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 520.335411][ T7353] ? __init_waitqueue_head+0xca/0x150 [ 520.341264][ T7353] netdev_register_kobject+0x183/0x3f0 [ 520.347228][ T7353] register_netdevice+0xbdf/0x14a0 [ 520.352750][ T7353] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 520.358754][ T7353] ? team_nl_cmd_noop+0x280/0x280 [ 520.364054][ T7353] team_newlink+0x92/0x160 [ 520.368594][ T7353] ? team_nl_cmd_noop+0x280/0x280 [ 520.373739][ T7353] ? rtnl_create_link+0xa6d/0xfd0 [ 520.379245][ T7353] __rtnl_newlink+0x1173/0x1930 [ 520.384256][ T7353] ? rtnl_link_unregister+0x260/0x260 [ 520.389883][ T7353] rtnl_newlink+0x67/0xa0 [ 520.394281][ T7353] ? __rtnl_newlink+0x1930/0x1930 [ 520.399379][ T7353] rtnetlink_rcv_msg+0x3c7/0xe00 [ 520.404449][ T7353] ? rtnl_getlink+0xb40/0xb40 [ 520.409521][ T7353] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 520.415753][ T7353] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 520.422507][ T7353] netlink_rcv_skb+0x16b/0x440 [ 520.428458][ T7353] ? rtnl_getlink+0xb40/0xb40 [ 520.433590][ T7353] ? netlink_ack+0x1370/0x1370 [ 520.438650][ T7353] ? lock_sync+0x190/0x190 [ 520.443119][ T7353] ? netlink_deliver_tap+0x1a0/0xd00 [ 520.448871][ T7353] ? _copy_from_iter+0x2c1/0x10f0 [ 520.454457][ T7353] netlink_unicast+0x53b/0x810 [ 520.459284][ T7353] ? netlink_attachskb+0x880/0x880 [ 520.465035][ T7353] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 520.471397][ T7353] ? __phys_addr_symbol+0x30/0x70 [ 520.476649][ T7353] ? __check_object_size+0x323/0x730 [ 520.482799][ T7353] netlink_sendmsg+0x93c/0xe40 [ 520.488195][ T7353] ? netlink_unicast+0x810/0x810 [ 520.493278][ T7353] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 520.498614][ T7353] ? netlink_unicast+0x810/0x810 [ 520.503676][ T7353] __sock_sendmsg+0xd5/0x180 [ 520.508383][ T7353] ____sys_sendmsg+0x6ac/0x940 [ 520.513173][ T7353] ? copy_msghdr_from_user+0x10b/0x160 [ 520.518763][ T7353] ? kernel_sendmsg+0x50/0x50 [ 520.523823][ T7353] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 520.530000][ T7353] ___sys_sendmsg+0x135/0x1d0 [ 520.534747][ T7353] ? do_recvmmsg+0x740/0x740 [ 520.539626][ T7353] ? find_held_lock+0x2d/0x110 [ 520.544448][ T7353] ? preempt_count_sub+0x150/0x150 [ 520.549699][ T7353] ? __fget_light+0x1fc/0x260 [ 520.554771][ T7353] __sys_sendmsg+0x117/0x1e0 [ 520.559667][ T7353] ? __sys_sendmsg_sock+0x30/0x30 [ 520.564747][ T7353] ? syscall_enter_from_user_mode+0x26/0x80 [ 520.570849][ T7353] do_syscall_64+0x3f/0x110 [ 520.575930][ T7353] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 520.581937][ T7353] RIP: 0033:0x7f2631248c19 [ 520.586554][ T7353] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 520.607687][ T7353] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 520.616392][ T7353] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 520.624746][ T7353] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 520.633569][ T7353] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 520.641943][ T7353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 520.650554][ T7353] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 520.659537][ T7353] [ 520.676661][ T7353] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 520.707036][ T7353] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 520.726758][ T7353] CPU: 1 PID: 7353 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 520.737610][ T7353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 520.748063][ T7353] Call Trace: [ 520.751360][ T7353] [ 520.754304][ T7353] dump_stack_lvl+0x125/0x1b0 [ 520.759035][ T7353] sysfs_warn_dup+0x7f/0xa0 [ 520.763770][ T7353] sysfs_create_dir_ns+0x247/0x2a0 [ 520.768923][ T7353] ? sysfs_create_mount_point+0xb0/0xb0 [ 520.774682][ T7353] ? spin_bug+0x1d0/0x1d0 [ 520.779039][ T7353] ? net_namespace+0x12/0x40 [ 520.783810][ T7353] ? device_namespace+0x8d/0xc0 [ 520.789160][ T7353] kobject_add_internal+0x2c8/0x960 [ 520.794679][ T7353] kobject_add+0x16f/0x240 [ 520.799303][ T7353] ? kset_create_and_add+0x190/0x190 [ 520.805157][ T7353] ? do_raw_spin_unlock+0x173/0x230 [ 520.810720][ T7353] ? kobject_put+0xbe/0x440 [ 520.815367][ T7353] ? device_add+0xc35/0x1aa0 [ 520.820376][ T7353] device_add+0x289/0x1aa0 [ 520.824977][ T7353] ? device_initialize+0x510/0x510 [ 520.830369][ T7353] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 520.837434][ T7353] ? __init_waitqueue_head+0xca/0x150 [ 520.842829][ T7353] netdev_register_kobject+0x183/0x3f0 [ 520.851264][ T7353] register_netdevice+0xbdf/0x14a0 [ 520.856568][ T7353] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 520.862655][ T7353] ? validate_linkmsg+0x6fc/0x9c0 [ 520.867784][ T7353] ? rtnl_create_link+0xa6d/0xfd0 [ 520.873167][ T7353] ? batadv_get_sset_count+0x40/0x40 [ 520.878483][ T7353] batadv_softif_newlink+0x70/0x90 [ 520.883700][ T7353] __rtnl_newlink+0x1173/0x1930 [ 520.888661][ T7353] ? rtnl_link_unregister+0x260/0x260 [ 520.894155][ T7353] rtnl_newlink+0x67/0xa0 [ 520.898937][ T7353] ? __rtnl_newlink+0x1930/0x1930 [ 520.904099][ T7353] rtnetlink_rcv_msg+0x3c7/0xe00 [ 520.909055][ T7353] ? rtnl_getlink+0xb40/0xb40 [ 520.913748][ T7353] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 520.919921][ T7353] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 520.925930][ T7353] netlink_rcv_skb+0x16b/0x440 [ 520.933065][ T7353] ? rtnl_getlink+0xb40/0xb40 [ 520.937841][ T7353] ? netlink_ack+0x1370/0x1370 [ 520.942700][ T7353] ? lock_sync+0x190/0x190 [ 520.947582][ T7353] ? netlink_deliver_tap+0x1a0/0xd00 [ 520.953050][ T7353] ? _copy_from_iter+0x2c1/0x10f0 [ 520.958528][ T7353] netlink_unicast+0x53b/0x810 [ 520.963392][ T7353] ? netlink_attachskb+0x880/0x880 [ 520.968605][ T7353] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 520.974687][ T7353] ? __phys_addr_symbol+0x30/0x70 [ 520.979982][ T7353] ? __check_object_size+0x323/0x730 [ 520.985289][ T7353] netlink_sendmsg+0x93c/0xe40 [ 520.990250][ T7353] ? netlink_unicast+0x810/0x810 [ 520.995377][ T7353] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 521.000669][ T7353] ? netlink_unicast+0x810/0x810 [ 521.005617][ T7353] __sock_sendmsg+0xd5/0x180 [ 521.010565][ T7353] ____sys_sendmsg+0x6ac/0x940 [ 521.015447][ T7353] ? copy_msghdr_from_user+0x10b/0x160 [ 521.021534][ T7353] ? kernel_sendmsg+0x50/0x50 [ 521.027202][ T7353] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 521.033218][ T7353] ___sys_sendmsg+0x135/0x1d0 [ 521.038086][ T7353] ? do_recvmmsg+0x740/0x740 [ 521.042867][ T7353] ? find_held_lock+0x2d/0x110 [ 521.047684][ T7353] ? preempt_count_sub+0x150/0x150 [ 521.053527][ T7353] ? __fget_light+0x1fc/0x260 [ 521.058398][ T7353] __sys_sendmsg+0x117/0x1e0 [ 521.063002][ T7353] ? __sys_sendmsg_sock+0x30/0x30 [ 521.068159][ T7353] ? syscall_enter_from_user_mode+0x26/0x80 [ 521.074598][ T7353] do_syscall_64+0x3f/0x110 [ 521.079202][ T7353] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 521.085114][ T7353] RIP: 0033:0x7f2631248c19 [ 521.089618][ T7353] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 521.110281][ T7353] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 521.119490][ T7353] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 521.127643][ T7353] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 521.135991][ T7353] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 521.143965][ T7353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 521.152026][ T7353] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 521.160106][ T7353] [ 521.204494][ T7353] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 521.296837][ T7361] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 521.326716][ T7361] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 521.344429][ T7361] CPU: 1 PID: 7361 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 521.355105][ T7361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 521.365257][ T7361] Call Trace: [ 521.368648][ T7361] [ 521.371673][ T7361] dump_stack_lvl+0x125/0x1b0 [ 521.376558][ T7361] sysfs_warn_dup+0x7f/0xa0 [ 521.381173][ T7361] sysfs_create_dir_ns+0x247/0x2a0 [ 521.386497][ T7361] ? sysfs_create_mount_point+0xb0/0xb0 [ 521.392424][ T7361] ? spin_bug+0x1d0/0x1d0 [ 521.397107][ T7361] ? net_namespace+0x12/0x40 [ 521.403756][ T7361] ? device_namespace+0x8d/0xc0 [ 521.409001][ T7361] kobject_add_internal+0x2c8/0x960 [ 521.414690][ T7361] kobject_add+0x16f/0x240 [ 521.420030][ T7361] ? kset_create_and_add+0x190/0x190 [ 521.427045][ T7361] ? do_raw_spin_unlock+0x173/0x230 [ 521.432872][ T7361] ? kobject_put+0xbe/0x440 [ 521.437660][ T7361] ? device_add+0xc35/0x1aa0 [ 521.442393][ T7361] device_add+0x289/0x1aa0 [ 521.447359][ T7361] ? device_initialize+0x510/0x510 [ 521.452980][ T7361] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 521.461658][ T7361] ? __init_waitqueue_head+0xca/0x150 [ 521.468150][ T7361] netdev_register_kobject+0x183/0x3f0 [ 521.475017][ T7361] register_netdevice+0xbdf/0x14a0 [ 521.480410][ T7361] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 521.487885][ T7361] ? team_nl_cmd_noop+0x280/0x280 [ 521.493057][ T7361] team_newlink+0x92/0x160 [ 521.497891][ T7361] ? team_nl_cmd_noop+0x280/0x280 [ 521.503753][ T7361] ? rtnl_create_link+0xa6d/0xfd0 [ 521.510134][ T7361] __rtnl_newlink+0x1173/0x1930 [ 521.515550][ T7361] ? rtnl_link_unregister+0x260/0x260 [ 521.521694][ T7361] rtnl_newlink+0x67/0xa0 [ 521.526155][ T7361] ? __rtnl_newlink+0x1930/0x1930 [ 521.531409][ T7361] rtnetlink_rcv_msg+0x3c7/0xe00 [ 521.536450][ T7361] ? rtnl_getlink+0xb40/0xb40 [ 521.541228][ T7361] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 521.547317][ T7361] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 521.553416][ T7361] netlink_rcv_skb+0x16b/0x440 [ 521.558396][ T7361] ? rtnl_getlink+0xb40/0xb40 [ 521.563099][ T7361] ? netlink_ack+0x1370/0x1370 [ 521.568145][ T7361] ? lock_sync+0x190/0x190 [ 521.572784][ T7361] ? netlink_deliver_tap+0x1a0/0xd00 [ 521.578256][ T7361] ? _copy_from_iter+0x2c1/0x10f0 [ 521.583508][ T7361] netlink_unicast+0x53b/0x810 [ 521.590763][ T7361] ? netlink_attachskb+0x880/0x880 [ 521.596116][ T7361] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 521.602297][ T7361] ? __phys_addr_symbol+0x30/0x70 [ 521.607435][ T7361] ? __check_object_size+0x323/0x730 [ 521.612833][ T7361] netlink_sendmsg+0x93c/0xe40 [ 521.617898][ T7361] ? netlink_unicast+0x810/0x810 [ 521.623430][ T7361] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 521.629100][ T7361] ? netlink_unicast+0x810/0x810 [ 521.634259][ T7361] __sock_sendmsg+0xd5/0x180 [ 521.639124][ T7361] ____sys_sendmsg+0x6ac/0x940 [ 521.644973][ T7361] ? copy_msghdr_from_user+0x10b/0x160 [ 521.651156][ T7361] ? kernel_sendmsg+0x50/0x50 [ 521.656130][ T7361] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 521.662432][ T7361] ___sys_sendmsg+0x135/0x1d0 [ 521.667280][ T7361] ? do_recvmmsg+0x740/0x740 [ 521.672330][ T7361] ? find_held_lock+0x2d/0x110 [ 521.677389][ T7361] ? preempt_count_sub+0x150/0x150 [ 521.682556][ T7361] ? __fget_light+0x1fc/0x260 [ 521.687388][ T7361] __sys_sendmsg+0x117/0x1e0 [ 521.692082][ T7361] ? __sys_sendmsg_sock+0x30/0x30 [ 521.697225][ T7361] ? syscall_enter_from_user_mode+0x26/0x80 [ 521.703309][ T7361] do_syscall_64+0x3f/0x110 [ 521.708324][ T7361] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 521.714775][ T7361] RIP: 0033:0x7f2631248c19 [ 521.720253][ T7361] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 521.741605][ T7361] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 521.750793][ T7361] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 521.759401][ T7361] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 521.767836][ T7361] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 521.775827][ T7361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 521.785387][ T7361] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 521.794250][ T7361] [ 521.850542][ T7361] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 521.883765][ T7361] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 521.893714][ T7361] CPU: 0 PID: 7361 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 521.904454][ T7361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 521.914816][ T7361] Call Trace: [ 521.918291][ T7361] [ 521.921344][ T7361] dump_stack_lvl+0x125/0x1b0 [ 521.926238][ T7361] sysfs_warn_dup+0x7f/0xa0 [ 521.931250][ T7361] sysfs_create_dir_ns+0x247/0x2a0 [ 521.936765][ T7361] ? sysfs_create_mount_point+0xb0/0xb0 [ 521.942720][ T7361] ? spin_bug+0x1d0/0x1d0 [ 521.949018][ T7361] ? net_namespace+0x12/0x40 [ 521.953833][ T7361] ? device_namespace+0x8d/0xc0 [ 521.959184][ T7361] kobject_add_internal+0x2c8/0x960 [ 521.964885][ T7361] kobject_add+0x16f/0x240 [ 521.969343][ T7361] ? kset_create_and_add+0x190/0x190 [ 521.974670][ T7361] ? do_raw_spin_unlock+0x173/0x230 [ 521.980265][ T7361] ? kobject_put+0xbe/0x440 [ 521.984915][ T7361] ? device_add+0xc35/0x1aa0 [ 521.989711][ T7361] device_add+0x289/0x1aa0 [ 521.994335][ T7361] ? device_initialize+0x510/0x510 [ 521.999564][ T7361] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 522.006448][ T7361] ? __init_waitqueue_head+0xca/0x150 [ 522.011947][ T7361] netdev_register_kobject+0x183/0x3f0 [ 522.017532][ T7361] register_netdevice+0xbdf/0x14a0 [ 522.022857][ T7361] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 522.033799][ T7361] ? validate_linkmsg+0x6fc/0x9c0 [ 522.039507][ T7361] ? rtnl_create_link+0xa6d/0xfd0 [ 522.044926][ T7361] ? batadv_get_sset_count+0x40/0x40 [ 522.050631][ T7361] batadv_softif_newlink+0x70/0x90 [ 522.056068][ T7361] __rtnl_newlink+0x1173/0x1930 [ 522.061088][ T7361] ? rtnl_link_unregister+0x260/0x260 [ 522.066670][ T7361] rtnl_newlink+0x67/0xa0 [ 522.071123][ T7361] ? __rtnl_newlink+0x1930/0x1930 [ 522.076351][ T7361] rtnetlink_rcv_msg+0x3c7/0xe00 [ 522.081502][ T7361] ? rtnl_getlink+0xb40/0xb40 [ 522.086278][ T7361] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 522.092550][ T7361] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 522.098743][ T7361] netlink_rcv_skb+0x16b/0x440 [ 522.103529][ T7361] ? rtnl_getlink+0xb40/0xb40 [ 522.108653][ T7361] ? netlink_ack+0x1370/0x1370 [ 522.113608][ T7361] ? lock_sync+0x190/0x190 [ 522.120143][ T7361] ? netlink_deliver_tap+0x1a0/0xd00 [ 522.125449][ T7361] ? _copy_from_iter+0x2c1/0x10f0 [ 522.130496][ T7361] netlink_unicast+0x53b/0x810 [ 522.135860][ T7361] ? netlink_attachskb+0x880/0x880 [ 522.141070][ T7361] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 522.147158][ T7361] ? __phys_addr_symbol+0x30/0x70 [ 522.152282][ T7361] ? __check_object_size+0x323/0x730 [ 522.157950][ T7361] netlink_sendmsg+0x93c/0xe40 [ 522.162853][ T7361] ? netlink_unicast+0x810/0x810 [ 522.167809][ T7361] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 522.173296][ T7361] ? netlink_unicast+0x810/0x810 [ 522.178543][ T7361] __sock_sendmsg+0xd5/0x180 [ 522.183158][ T7361] ____sys_sendmsg+0x6ac/0x940 [ 522.188039][ T7361] ? copy_msghdr_from_user+0x10b/0x160 [ 522.193881][ T7361] ? kernel_sendmsg+0x50/0x50 [ 522.198658][ T7361] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 522.205384][ T7361] ___sys_sendmsg+0x135/0x1d0 [ 522.210441][ T7361] ? do_recvmmsg+0x740/0x740 [ 522.215124][ T7361] ? find_held_lock+0x2d/0x110 [ 522.219913][ T7361] ? preempt_count_sub+0x150/0x150 [ 522.225457][ T7361] ? __fget_light+0x1fc/0x260 [ 522.230156][ T7361] __sys_sendmsg+0x117/0x1e0 [ 522.234761][ T7361] ? __sys_sendmsg_sock+0x30/0x30 [ 522.239823][ T7361] ? syscall_enter_from_user_mode+0x26/0x80 [ 522.245993][ T7361] do_syscall_64+0x3f/0x110 [ 522.250686][ T7361] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 522.257285][ T7361] RIP: 0033:0x7f2631248c19 [ 522.263875][ T7361] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 522.283686][ T7361] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 522.292120][ T7361] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 522.300100][ T7361] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 522.308084][ T7361] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 522.316065][ T7361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 522.324069][ T7361] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 522.332097][ T7361] [ 522.396359][ T7361] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 522.484097][ T7369] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 522.500907][ T7369] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 522.522243][ T7369] CPU: 1 PID: 7369 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 522.532565][ T7369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 522.542763][ T7369] Call Trace: [ 522.546067][ T7369] [ 522.549017][ T7369] dump_stack_lvl+0x125/0x1b0 [ 522.553993][ T7369] sysfs_warn_dup+0x7f/0xa0 [ 522.558638][ T7369] sysfs_create_dir_ns+0x247/0x2a0 [ 522.563814][ T7369] ? sysfs_create_mount_point+0xb0/0xb0 [ 522.569500][ T7369] ? spin_bug+0x1d0/0x1d0 [ 522.574056][ T7369] ? net_namespace+0x12/0x40 [ 522.578965][ T7369] ? device_namespace+0x8d/0xc0 [ 522.584021][ T7369] kobject_add_internal+0x2c8/0x960 [ 522.589534][ T7369] kobject_add+0x16f/0x240 [ 522.594074][ T7369] ? kset_create_and_add+0x190/0x190 [ 522.599485][ T7369] ? do_raw_spin_unlock+0x173/0x230 [ 522.604968][ T7369] ? kobject_put+0xbe/0x440 [ 522.609586][ T7369] ? device_add+0xc35/0x1aa0 [ 522.614197][ T7369] device_add+0x289/0x1aa0 [ 522.618656][ T7369] ? device_initialize+0x510/0x510 [ 522.623877][ T7369] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 522.631027][ T7369] ? __init_waitqueue_head+0xca/0x150 [ 522.636949][ T7369] netdev_register_kobject+0x183/0x3f0 [ 522.643646][ T7369] register_netdevice+0xbdf/0x14a0 [ 522.648859][ T7369] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 522.655030][ T7369] ? team_nl_cmd_noop+0x280/0x280 [ 522.660156][ T7369] team_newlink+0x92/0x160 [ 522.664589][ T7369] ? team_nl_cmd_noop+0x280/0x280 [ 522.669898][ T7369] ? rtnl_create_link+0xa6d/0xfd0 [ 522.674971][ T7369] __rtnl_newlink+0x1173/0x1930 [ 522.680312][ T7369] ? rtnl_link_unregister+0x260/0x260 [ 522.686346][ T7369] rtnl_newlink+0x67/0xa0 [ 522.690889][ T7369] ? __rtnl_newlink+0x1930/0x1930 [ 522.696307][ T7369] rtnetlink_rcv_msg+0x3c7/0xe00 [ 522.701447][ T7369] ? rtnl_getlink+0xb40/0xb40 [ 522.706139][ T7369] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 522.712308][ T7369] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 522.718492][ T7369] netlink_rcv_skb+0x16b/0x440 [ 522.723473][ T7369] ? rtnl_getlink+0xb40/0xb40 [ 522.728292][ T7369] ? netlink_ack+0x1370/0x1370 [ 522.733979][ T7369] ? lock_sync+0x190/0x190 [ 522.739570][ T7369] ? netlink_deliver_tap+0x1a0/0xd00 [ 522.744965][ T7369] ? _copy_from_iter+0x2c1/0x10f0 [ 522.750357][ T7369] netlink_unicast+0x53b/0x810 [ 522.755244][ T7369] ? netlink_attachskb+0x880/0x880 [ 522.760579][ T7369] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 522.766673][ T7369] ? __phys_addr_symbol+0x30/0x70 [ 522.771709][ T7369] ? __check_object_size+0x323/0x730 [ 522.777017][ T7369] netlink_sendmsg+0x93c/0xe40 [ 522.781893][ T7369] ? netlink_unicast+0x810/0x810 [ 522.786847][ T7369] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 522.792424][ T7369] ? netlink_unicast+0x810/0x810 [ 522.797387][ T7369] __sock_sendmsg+0xd5/0x180 [ 522.802116][ T7369] ____sys_sendmsg+0x6ac/0x940 [ 522.807077][ T7369] ? copy_msghdr_from_user+0x10b/0x160 [ 522.812547][ T7369] ? kernel_sendmsg+0x50/0x50 [ 522.817322][ T7369] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 522.823679][ T7369] ___sys_sendmsg+0x135/0x1d0 [ 522.829184][ T7369] ? do_recvmmsg+0x740/0x740 [ 522.833979][ T7369] ? find_held_lock+0x2d/0x110 [ 522.838783][ T7369] ? preempt_count_sub+0x150/0x150 [ 522.844088][ T7369] ? __fget_light+0x1fc/0x260 [ 522.848781][ T7369] __sys_sendmsg+0x117/0x1e0 [ 522.853384][ T7369] ? __sys_sendmsg_sock+0x30/0x30 [ 522.858621][ T7369] ? syscall_enter_from_user_mode+0x26/0x80 [ 522.864807][ T7369] do_syscall_64+0x3f/0x110 [ 522.869417][ T7369] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 522.875418][ T7369] RIP: 0033:0x7f2631248c19 [ 522.880188][ T7369] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 522.902152][ T7369] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 522.911250][ T7369] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 522.919935][ T7369] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 522.928186][ T7369] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 522.936523][ T7369] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 522.945288][ T7369] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 522.954534][ T7369] [ 522.986131][ T7369] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 523.016162][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 523.026282][ T4735] CPU: 0 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 523.037618][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 523.048761][ T4735] Call Trace: [ 523.052337][ T4735] [ 523.055557][ T4735] dump_stack_lvl+0x125/0x1b0 [ 523.060781][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 523.065520][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 523.070785][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 523.076775][ T4735] ? spin_bug+0x1d0/0x1d0 [ 523.081695][ T4735] ? net_namespace+0x12/0x40 [ 523.086762][ T4735] ? device_namespace+0x8d/0xc0 [ 523.092355][ T4735] kobject_add_internal+0x2c8/0x960 [ 523.098032][ T4735] kobject_add+0x16f/0x240 [ 523.102483][ T4735] ? kset_create_and_add+0x190/0x190 [ 523.108142][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 523.113536][ T4735] ? kobject_put+0xbe/0x440 [ 523.118060][ T4735] ? device_add+0xc35/0x1aa0 [ 523.122691][ T4735] device_add+0x289/0x1aa0 [ 523.127141][ T4735] ? device_initialize+0x510/0x510 [ 523.132478][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 523.139560][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 523.145323][ T4735] netdev_register_kobject+0x183/0x3f0 [ 523.150807][ T4735] register_netdevice+0xbdf/0x14a0 [ 523.155936][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 523.161888][ T4735] ? alloc_netdev_mqs+0xee6/0x1290 [ 523.167195][ T4735] bpq_device_event+0x39e/0xaf0 [ 523.172245][ T4735] ? team_device_event+0x219/0x750 [ 523.177617][ T4735] notifier_call_chain+0xb6/0x3b0 [ 523.182865][ T4735] ? bpq_seq_stop+0xb0/0xb0 [ 523.187404][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 523.193348][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 523.198873][ T4735] ? dev_change_name+0x800/0x800 [ 523.203945][ T4735] ? dev_set_allmulti+0x30/0x30 [ 523.210758][ T4735] dev_change_flags+0x122/0x170 [ 523.215950][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 523.220742][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 523.225963][ T4735] ? _copy_from_user+0x5d/0xf0 [ 523.231182][ T4735] inet_ioctl+0x3a6/0x3f0 [ 523.235607][ T4735] ? find_held_lock+0x2d/0x110 [ 523.240388][ T4735] ? ipip_gro_complete+0x140/0x140 [ 523.245626][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 523.251416][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 523.257171][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 523.262333][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 523.268156][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 523.273454][ T4735] sock_do_ioctl+0x113/0x270 [ 523.278535][ T4735] ? put_user_ifreq+0x140/0x140 [ 523.283566][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 523.288638][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 523.294473][ T4735] sock_ioctl+0x22e/0x6b0 [ 523.298988][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 523.303850][ T4735] ? __sys_socket+0xad/0x260 [ 523.308540][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 523.313586][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 523.318367][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 523.323409][ T4735] do_syscall_64+0x3f/0x110 [ 523.328098][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 523.334443][ T4735] RIP: 0033:0x7f6854c13d49 [ 523.338862][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 523.359349][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 523.367870][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 523.376893][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 523.384954][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 523.393008][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 523.401069][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 523.409321][ T4735] [ 523.414121][ T4735] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 523.430680][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 523.440981][ T4735] CPU: 1 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 523.451250][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 523.462310][ T4735] Call Trace: [ 523.466129][ T4735] [ 523.469424][ T4735] dump_stack_lvl+0x125/0x1b0 [ 523.474398][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 523.479644][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 523.484900][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 523.490765][ T4735] ? spin_bug+0x1d0/0x1d0 [ 523.495235][ T4735] ? net_namespace+0x12/0x40 [ 523.500317][ T4735] ? device_namespace+0x8d/0xc0 [ 523.505470][ T4735] kobject_add_internal+0x2c8/0x960 [ 523.510896][ T4735] kobject_add+0x16f/0x240 [ 523.515520][ T4735] ? kset_create_and_add+0x190/0x190 [ 523.520846][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 523.526168][ T4735] ? kobject_put+0xbe/0x440 [ 523.531058][ T4735] ? device_add+0xc35/0x1aa0 [ 523.535691][ T4735] device_add+0x289/0x1aa0 [ 523.540393][ T4735] ? device_initialize+0x510/0x510 [ 523.545630][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 523.552690][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 523.558192][ T4735] netdev_register_kobject+0x183/0x3f0 [ 523.563863][ T4735] register_netdevice+0xbdf/0x14a0 [ 523.569010][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 523.574230][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 523.580420][ T4735] ? lapbeth_setup+0x170/0x170 [ 523.586297][ T4735] lapbeth_device_event+0x5b8/0xd40 [ 523.591729][ T4735] notifier_call_chain+0xb6/0x3b0 [ 523.596879][ T4735] ? lapbeth_xmit+0x290/0x290 [ 523.601883][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 523.608686][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 523.613858][ T4735] ? dev_change_name+0x800/0x800 [ 523.618824][ T4735] ? dev_set_allmulti+0x30/0x30 [ 523.624005][ T4735] dev_change_flags+0x122/0x170 [ 523.629267][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 523.634088][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 523.639681][ T4735] ? _copy_from_user+0x5d/0xf0 [ 523.644693][ T4735] inet_ioctl+0x3a6/0x3f0 [ 523.649243][ T4735] ? find_held_lock+0x2d/0x110 [ 523.654485][ T4735] ? ipip_gro_complete+0x140/0x140 [ 523.659713][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 523.665563][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 523.671410][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 523.676685][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 523.682990][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 523.688567][ T4735] sock_do_ioctl+0x113/0x270 [ 523.693533][ T4735] ? put_user_ifreq+0x140/0x140 [ 523.698591][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 523.703752][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 523.708856][ T4735] sock_ioctl+0x22e/0x6b0 [ 523.713489][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 523.718197][ T4735] ? __sys_socket+0xad/0x260 [ 523.722904][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 523.727886][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 523.732598][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 523.737648][ T4735] do_syscall_64+0x3f/0x110 [ 523.742210][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 523.748137][ T4735] RIP: 0033:0x7f6854c13d49 [ 523.752577][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 523.773269][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 523.781796][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 523.790045][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 523.798038][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 523.806123][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 523.814122][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 523.822309][ T4735] [ 523.829455][ T4735] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 523.845971][ T4735] 8021q: adding VLAN 0 to HW filter on device team3 [ 523.856503][ T7369] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 523.866553][ T7369] CPU: 1 PID: 7369 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 523.877179][ T7369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 523.887468][ T7369] Call Trace: [ 523.890933][ T7369] [ 523.893880][ T7369] dump_stack_lvl+0x125/0x1b0 [ 523.898865][ T7369] sysfs_warn_dup+0x7f/0xa0 [ 523.903507][ T7369] sysfs_create_dir_ns+0x247/0x2a0 [ 523.908948][ T7369] ? sysfs_create_mount_point+0xb0/0xb0 [ 523.914724][ T7369] ? spin_bug+0x1d0/0x1d0 [ 523.919442][ T7369] ? net_namespace+0x12/0x40 [ 523.924345][ T7369] ? device_namespace+0x8d/0xc0 [ 523.929256][ T7369] kobject_add_internal+0x2c8/0x960 [ 523.934588][ T7369] kobject_add+0x16f/0x240 [ 523.939572][ T7369] ? kset_create_and_add+0x190/0x190 [ 523.944925][ T7369] ? do_raw_spin_unlock+0x173/0x230 [ 523.950974][ T7369] ? kobject_put+0xbe/0x440 [ 523.955977][ T7369] ? device_add+0xc35/0x1aa0 [ 523.962021][ T7369] device_add+0x289/0x1aa0 [ 523.966915][ T7369] ? device_initialize+0x510/0x510 [ 523.972677][ T7369] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 523.980249][ T7369] ? __init_waitqueue_head+0xca/0x150 [ 523.986189][ T7369] netdev_register_kobject+0x183/0x3f0 [ 523.991691][ T7369] register_netdevice+0xbdf/0x14a0 [ 523.996844][ T7369] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 524.002942][ T7369] ? validate_linkmsg+0x6fc/0x9c0 [ 524.008361][ T7369] ? rtnl_create_link+0xa6d/0xfd0 [ 524.013776][ T7369] ? batadv_get_sset_count+0x40/0x40 [ 524.019187][ T7369] batadv_softif_newlink+0x70/0x90 [ 524.024440][ T7369] __rtnl_newlink+0x1173/0x1930 [ 524.029441][ T7369] ? rtnl_link_unregister+0x260/0x260 [ 524.034890][ T7369] rtnl_newlink+0x67/0xa0 [ 524.039543][ T7369] ? __rtnl_newlink+0x1930/0x1930 [ 524.044865][ T7369] rtnetlink_rcv_msg+0x3c7/0xe00 [ 524.050034][ T7369] ? rtnl_getlink+0xb40/0xb40 [ 524.054749][ T7369] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 524.061036][ T7369] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 524.067607][ T7369] netlink_rcv_skb+0x16b/0x440 [ 524.072604][ T7369] ? rtnl_getlink+0xb40/0xb40 [ 524.077600][ T7369] ? netlink_ack+0x1370/0x1370 [ 524.082774][ T7369] ? lock_sync+0x190/0x190 [ 524.087452][ T7369] ? netlink_deliver_tap+0x1a0/0xd00 [ 524.093140][ T7369] ? _copy_from_iter+0x2c1/0x10f0 [ 524.098350][ T7369] netlink_unicast+0x53b/0x810 [ 524.103345][ T7369] ? netlink_attachskb+0x880/0x880 [ 524.108681][ T7369] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 524.114981][ T7369] ? __phys_addr_symbol+0x30/0x70 [ 524.120327][ T7369] ? __check_object_size+0x323/0x730 [ 524.125664][ T7369] netlink_sendmsg+0x93c/0xe40 [ 524.130656][ T7369] ? netlink_unicast+0x810/0x810 [ 524.135795][ T7369] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 524.142344][ T7369] ? netlink_unicast+0x810/0x810 [ 524.147686][ T7369] __sock_sendmsg+0xd5/0x180 [ 524.152408][ T7369] ____sys_sendmsg+0x6ac/0x940 [ 524.157389][ T7369] ? copy_msghdr_from_user+0x10b/0x160 [ 524.162903][ T7369] ? kernel_sendmsg+0x50/0x50 [ 524.167701][ T7369] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 524.173849][ T7369] ___sys_sendmsg+0x135/0x1d0 [ 524.178583][ T7369] ? do_recvmmsg+0x740/0x740 [ 524.183382][ T7369] ? find_held_lock+0x2d/0x110 [ 524.188196][ T7369] ? preempt_count_sub+0x150/0x150 [ 524.194227][ T7369] ? __fget_light+0x1fc/0x260 [ 524.198974][ T7369] __sys_sendmsg+0x117/0x1e0 [ 524.203609][ T7369] ? __sys_sendmsg_sock+0x30/0x30 [ 524.208927][ T7369] ? syscall_enter_from_user_mode+0x26/0x80 [ 524.215039][ T7369] do_syscall_64+0x3f/0x110 [ 524.219696][ T7369] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 524.225633][ T7369] RIP: 0033:0x7f2631248c19 [ 524.230165][ T7369] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 524.250112][ T7369] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 524.259089][ T7369] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 524.267460][ T7369] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 524.275990][ T7369] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 524.284064][ T7369] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 524.292508][ T7369] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 524.300880][ T7369] [ 524.326565][ T7369] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 524.419089][ T7376] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 524.432020][ T7376] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 524.442113][ T7376] CPU: 0 PID: 7376 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 524.453083][ T7376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 524.463516][ T7376] Call Trace: [ 524.467087][ T7376] [ 524.470129][ T7376] dump_stack_lvl+0x125/0x1b0 [ 524.474942][ T7376] sysfs_warn_dup+0x7f/0xa0 [ 524.479502][ T7376] sysfs_create_dir_ns+0x247/0x2a0 [ 524.484855][ T7376] ? sysfs_create_mount_point+0xb0/0xb0 [ 524.490834][ T7376] ? spin_bug+0x1d0/0x1d0 [ 524.495311][ T7376] ? net_namespace+0x12/0x40 [ 524.500117][ T7376] ? device_namespace+0x8d/0xc0 [ 524.505137][ T7376] kobject_add_internal+0x2c8/0x960 [ 524.510676][ T7376] kobject_add+0x16f/0x240 [ 524.515144][ T7376] ? kset_create_and_add+0x190/0x190 [ 524.520570][ T7376] ? do_raw_spin_unlock+0x173/0x230 [ 524.526241][ T7376] ? kobject_put+0xbe/0x440 [ 524.530885][ T7376] ? device_add+0xc35/0x1aa0 [ 524.535686][ T7376] device_add+0x289/0x1aa0 [ 524.540134][ T7376] ? device_initialize+0x510/0x510 [ 524.545371][ T7376] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 524.552859][ T7376] ? __init_waitqueue_head+0xca/0x150 [ 524.558252][ T7376] netdev_register_kobject+0x183/0x3f0 [ 524.563856][ T7376] register_netdevice+0xbdf/0x14a0 [ 524.570548][ T7376] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 524.576543][ T7376] ? team_nl_cmd_noop+0x280/0x280 [ 524.581761][ T7376] team_newlink+0x92/0x160 [ 524.586552][ T7376] ? team_nl_cmd_noop+0x280/0x280 [ 524.591782][ T7376] ? rtnl_create_link+0xa6d/0xfd0 [ 524.597103][ T7376] __rtnl_newlink+0x1173/0x1930 [ 524.602088][ T7376] ? rtnl_link_unregister+0x260/0x260 [ 524.607818][ T7376] rtnl_newlink+0x67/0xa0 [ 524.612281][ T7376] ? __rtnl_newlink+0x1930/0x1930 [ 524.617434][ T7376] rtnetlink_rcv_msg+0x3c7/0xe00 [ 524.622506][ T7376] ? rtnl_getlink+0xb40/0xb40 [ 524.627228][ T7376] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 524.633286][ T7376] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 524.639313][ T7376] netlink_rcv_skb+0x16b/0x440 [ 524.644097][ T7376] ? rtnl_getlink+0xb40/0xb40 [ 524.648824][ T7376] ? netlink_ack+0x1370/0x1370 [ 524.653774][ T7376] ? lock_sync+0x190/0x190 [ 524.658396][ T7376] ? netlink_deliver_tap+0x1a0/0xd00 [ 524.663719][ T7376] ? _copy_from_iter+0x2c1/0x10f0 [ 524.668834][ T7376] netlink_unicast+0x53b/0x810 [ 524.673728][ T7376] ? netlink_attachskb+0x880/0x880 [ 524.678950][ T7376] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 524.684909][ T7376] ? __phys_addr_symbol+0x30/0x70 [ 524.690136][ T7376] ? __check_object_size+0x323/0x730 [ 524.695710][ T7376] netlink_sendmsg+0x93c/0xe40 [ 524.700687][ T7376] ? netlink_unicast+0x810/0x810 [ 524.706017][ T7376] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 524.711355][ T7376] ? netlink_unicast+0x810/0x810 [ 524.716401][ T7376] __sock_sendmsg+0xd5/0x180 [ 524.721099][ T7376] ____sys_sendmsg+0x6ac/0x940 [ 524.725926][ T7376] ? copy_msghdr_from_user+0x10b/0x160 [ 524.731574][ T7376] ? kernel_sendmsg+0x50/0x50 [ 524.736295][ T7376] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 524.742314][ T7376] ___sys_sendmsg+0x135/0x1d0 [ 524.747179][ T7376] ? do_recvmmsg+0x740/0x740 [ 524.751783][ T7376] ? find_held_lock+0x2d/0x110 [ 524.756756][ T7376] ? preempt_count_sub+0x150/0x150 [ 524.761914][ T7376] ? __fget_light+0x1fc/0x260 [ 524.767172][ T7376] __sys_sendmsg+0x117/0x1e0 [ 524.771779][ T7376] ? __sys_sendmsg_sock+0x30/0x30 [ 524.776916][ T7376] ? syscall_enter_from_user_mode+0x26/0x80 [ 524.783179][ T7376] do_syscall_64+0x3f/0x110 [ 524.787699][ T7376] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 524.793778][ T7376] RIP: 0033:0x7f2631248c19 [ 524.798283][ T7376] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 524.818714][ T7376] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 524.827658][ T7376] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 524.835830][ T7376] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 524.844162][ T7376] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 524.852342][ T7376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 524.860588][ T7376] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 524.868845][ T7376] [ 524.889094][ T7376] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 524.916325][ T7376] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 524.925572][ T7376] CPU: 0 PID: 7376 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 524.935675][ T7376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 524.945768][ T7376] Call Trace: [ 524.949333][ T7376] [ 524.952368][ T7376] dump_stack_lvl+0x125/0x1b0 [ 524.958003][ T7376] sysfs_warn_dup+0x7f/0xa0 [ 524.962820][ T7376] sysfs_create_dir_ns+0x247/0x2a0 [ 524.968074][ T7376] ? sysfs_create_mount_point+0xb0/0xb0 [ 524.973923][ T7376] ? spin_bug+0x1d0/0x1d0 [ 524.978387][ T7376] ? net_namespace+0x12/0x40 [ 524.983172][ T7376] ? device_namespace+0x8d/0xc0 [ 524.988066][ T7376] kobject_add_internal+0x2c8/0x960 [ 524.993498][ T7376] kobject_add+0x16f/0x240 [ 524.998038][ T7376] ? kset_create_and_add+0x190/0x190 [ 525.003456][ T7376] ? do_raw_spin_unlock+0x173/0x230 [ 525.009041][ T7376] ? kobject_put+0xbe/0x440 [ 525.013598][ T7376] ? device_add+0xc35/0x1aa0 [ 525.018494][ T7376] device_add+0x289/0x1aa0 [ 525.023049][ T7376] ? device_initialize+0x510/0x510 [ 525.028827][ T7376] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 525.035987][ T7376] ? __init_waitqueue_head+0xca/0x150 [ 525.041585][ T7376] netdev_register_kobject+0x183/0x3f0 [ 525.047438][ T7376] register_netdevice+0xbdf/0x14a0 [ 525.052763][ T7376] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 525.058773][ T7376] ? validate_linkmsg+0x6fc/0x9c0 [ 525.063957][ T7376] ? rtnl_create_link+0xa6d/0xfd0 [ 525.069288][ T7376] ? batadv_get_sset_count+0x40/0x40 [ 525.074711][ T7376] batadv_softif_newlink+0x70/0x90 [ 525.080212][ T7376] __rtnl_newlink+0x1173/0x1930 [ 525.085199][ T7376] ? rtnl_link_unregister+0x260/0x260 [ 525.090894][ T7376] rtnl_newlink+0x67/0xa0 [ 525.095335][ T7376] ? __rtnl_newlink+0x1930/0x1930 [ 525.101092][ T7376] rtnetlink_rcv_msg+0x3c7/0xe00 [ 525.106219][ T7376] ? rtnl_getlink+0xb40/0xb40 [ 525.111004][ T7376] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 525.117462][ T7376] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 525.123614][ T7376] netlink_rcv_skb+0x16b/0x440 [ 525.128938][ T7376] ? rtnl_getlink+0xb40/0xb40 [ 525.134055][ T7376] ? netlink_ack+0x1370/0x1370 [ 525.138856][ T7376] ? lock_sync+0x190/0x190 [ 525.143443][ T7376] ? netlink_deliver_tap+0x1a0/0xd00 [ 525.148947][ T7376] ? _copy_from_iter+0x2c1/0x10f0 [ 525.154186][ T7376] netlink_unicast+0x53b/0x810 [ 525.158996][ T7376] ? netlink_attachskb+0x880/0x880 [ 525.164406][ T7376] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 525.170871][ T7376] ? __phys_addr_symbol+0x30/0x70 [ 525.176042][ T7376] ? __check_object_size+0x323/0x730 [ 525.181471][ T7376] netlink_sendmsg+0x93c/0xe40 [ 525.186382][ T7376] ? netlink_unicast+0x810/0x810 [ 525.191555][ T7376] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 525.197078][ T7376] ? netlink_unicast+0x810/0x810 [ 525.202167][ T7376] __sock_sendmsg+0xd5/0x180 [ 525.207240][ T7376] ____sys_sendmsg+0x6ac/0x940 [ 525.214056][ T7376] ? copy_msghdr_from_user+0x10b/0x160 [ 525.220015][ T7376] ? kernel_sendmsg+0x50/0x50 [ 525.225934][ T7376] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 525.232125][ T7376] ___sys_sendmsg+0x135/0x1d0 [ 525.236818][ T7376] ? do_recvmmsg+0x740/0x740 [ 525.241422][ T7376] ? find_held_lock+0x2d/0x110 [ 525.246297][ T7376] ? preempt_count_sub+0x150/0x150 [ 525.251604][ T7376] ? __fget_light+0x1fc/0x260 [ 525.256475][ T7376] __sys_sendmsg+0x117/0x1e0 [ 525.261137][ T7376] ? __sys_sendmsg_sock+0x30/0x30 [ 525.266289][ T7376] ? syscall_enter_from_user_mode+0x26/0x80 [ 525.272199][ T7376] do_syscall_64+0x3f/0x110 [ 525.278562][ T7376] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 525.284824][ T7376] RIP: 0033:0x7f2631248c19 [ 525.289415][ T7376] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 525.309383][ T7376] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 525.317905][ T7376] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 525.333790][ T7376] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 525.341855][ T7376] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 525.350351][ T7376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 525.358848][ T7376] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 525.366858][ T7376] [ 525.394204][ T7376] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 525.483655][ T7382] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 525.496831][ T7382] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 525.506671][ T7382] CPU: 0 PID: 7382 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 525.517345][ T7382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 525.527456][ T7382] Call Trace: [ 525.530766][ T7382] [ 525.533922][ T7382] dump_stack_lvl+0x125/0x1b0 [ 525.539023][ T7382] sysfs_warn_dup+0x7f/0xa0 [ 525.543585][ T7382] sysfs_create_dir_ns+0x247/0x2a0 [ 525.549194][ T7382] ? sysfs_create_mount_point+0xb0/0xb0 [ 525.554882][ T7382] ? spin_bug+0x1d0/0x1d0 [ 525.559351][ T7382] ? net_namespace+0x12/0x40 [ 525.564086][ T7382] ? device_namespace+0x8d/0xc0 [ 525.568983][ T7382] kobject_add_internal+0x2c8/0x960 [ 525.574322][ T7382] kobject_add+0x16f/0x240 [ 525.580408][ T7382] ? kset_create_and_add+0x190/0x190 [ 525.586048][ T7382] ? do_raw_spin_unlock+0x173/0x230 [ 525.591467][ T7382] ? kobject_put+0xbe/0x440 [ 525.596512][ T7382] ? device_add+0xc35/0x1aa0 [ 525.601163][ T7382] device_add+0x289/0x1aa0 [ 525.605854][ T7382] ? device_initialize+0x510/0x510 [ 525.611191][ T7382] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 525.618263][ T7382] ? __init_waitqueue_head+0xca/0x150 [ 525.623695][ T7382] netdev_register_kobject+0x183/0x3f0 [ 525.629472][ T7382] register_netdevice+0xbdf/0x14a0 [ 525.635331][ T7382] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 525.641458][ T7382] ? team_nl_cmd_noop+0x280/0x280 [ 525.647053][ T7382] team_newlink+0x92/0x160 [ 525.651526][ T7382] ? team_nl_cmd_noop+0x280/0x280 [ 525.656760][ T7382] ? rtnl_create_link+0xa6d/0xfd0 [ 525.662447][ T7382] __rtnl_newlink+0x1173/0x1930 [ 525.667346][ T7382] ? rtnl_link_unregister+0x260/0x260 [ 525.673061][ T7382] rtnl_newlink+0x67/0xa0 [ 525.677791][ T7382] ? __rtnl_newlink+0x1930/0x1930 [ 525.683048][ T7382] rtnetlink_rcv_msg+0x3c7/0xe00 [ 525.688821][ T7382] ? rtnl_getlink+0xb40/0xb40 [ 525.693702][ T7382] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 525.700000][ T7382] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 525.706589][ T7382] netlink_rcv_skb+0x16b/0x440 [ 525.711492][ T7382] ? rtnl_getlink+0xb40/0xb40 [ 525.716376][ T7382] ? netlink_ack+0x1370/0x1370 [ 525.721298][ T7382] ? lock_sync+0x190/0x190 [ 525.725871][ T7382] ? netlink_deliver_tap+0x1a0/0xd00 [ 525.731208][ T7382] ? _copy_from_iter+0x2c1/0x10f0 [ 525.736295][ T7382] netlink_unicast+0x53b/0x810 [ 525.741362][ T7382] ? netlink_attachskb+0x880/0x880 [ 525.746858][ T7382] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 525.752846][ T7382] ? __phys_addr_symbol+0x30/0x70 [ 525.758354][ T7382] ? __check_object_size+0x323/0x730 [ 525.763693][ T7382] netlink_sendmsg+0x93c/0xe40 [ 525.768519][ T7382] ? netlink_unicast+0x810/0x810 [ 525.773599][ T7382] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 525.778925][ T7382] ? netlink_unicast+0x810/0x810 [ 525.783983][ T7382] __sock_sendmsg+0xd5/0x180 [ 525.788615][ T7382] ____sys_sendmsg+0x6ac/0x940 [ 525.793768][ T7382] ? copy_msghdr_from_user+0x10b/0x160 [ 525.799349][ T7382] ? kernel_sendmsg+0x50/0x50 [ 525.804060][ T7382] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 525.810252][ T7382] ___sys_sendmsg+0x135/0x1d0 [ 525.815140][ T7382] ? do_recvmmsg+0x740/0x740 [ 525.819773][ T7382] ? find_held_lock+0x2d/0x110 [ 525.824951][ T7382] ? preempt_count_sub+0x150/0x150 [ 525.830300][ T7382] ? __fget_light+0x1fc/0x260 [ 525.835633][ T7382] __sys_sendmsg+0x117/0x1e0 [ 525.840294][ T7382] ? __sys_sendmsg_sock+0x30/0x30 [ 525.845386][ T7382] ? syscall_enter_from_user_mode+0x26/0x80 [ 525.851680][ T7382] do_syscall_64+0x3f/0x110 [ 525.856400][ T7382] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 525.862408][ T7382] RIP: 0033:0x7f2631248c19 [ 525.866922][ T7382] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 525.887094][ T7382] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 525.896413][ T7382] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 525.905258][ T7382] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 525.913563][ T7382] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 525.921698][ T7382] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 525.930969][ T7382] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 525.939093][ T7382] [ 526.069516][ T7382] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 526.102051][ T7382] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 526.112140][ T7382] CPU: 1 PID: 7382 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 526.122676][ T7382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 526.132936][ T7382] Call Trace: [ 526.136419][ T7382] [ 526.139564][ T7382] dump_stack_lvl+0x125/0x1b0 [ 526.144363][ T7382] sysfs_warn_dup+0x7f/0xa0 [ 526.148892][ T7382] sysfs_create_dir_ns+0x247/0x2a0 [ 526.154040][ T7382] ? sysfs_create_mount_point+0xb0/0xb0 [ 526.160229][ T7382] ? spin_bug+0x1d0/0x1d0 [ 526.164596][ T7382] ? net_namespace+0x12/0x40 [ 526.169467][ T7382] ? device_namespace+0x8d/0xc0 [ 526.174435][ T7382] kobject_add_internal+0x2c8/0x960 [ 526.179768][ T7382] kobject_add+0x16f/0x240 [ 526.184388][ T7382] ? kset_create_and_add+0x190/0x190 [ 526.189815][ T7382] ? do_raw_spin_unlock+0x173/0x230 [ 526.195241][ T7382] ? kobject_put+0xbe/0x440 [ 526.200137][ T7382] ? device_add+0xc35/0x1aa0 [ 526.205032][ T7382] device_add+0x289/0x1aa0 [ 526.209484][ T7382] ? device_initialize+0x510/0x510 [ 526.214642][ T7382] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 526.221965][ T7382] ? __init_waitqueue_head+0xca/0x150 [ 526.227378][ T7382] netdev_register_kobject+0x183/0x3f0 [ 526.232977][ T7382] register_netdevice+0xbdf/0x14a0 [ 526.238310][ T7382] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 526.244497][ T7382] ? validate_linkmsg+0x6fc/0x9c0 [ 526.249824][ T7382] ? rtnl_create_link+0xa6d/0xfd0 [ 526.255156][ T7382] ? batadv_get_sset_count+0x40/0x40 [ 526.260945][ T7382] batadv_softif_newlink+0x70/0x90 [ 526.266631][ T7382] __rtnl_newlink+0x1173/0x1930 [ 526.271572][ T7382] ? rtnl_link_unregister+0x260/0x260 [ 526.277306][ T7382] rtnl_newlink+0x67/0xa0 [ 526.281850][ T7382] ? __rtnl_newlink+0x1930/0x1930 [ 526.287259][ T7382] rtnetlink_rcv_msg+0x3c7/0xe00 [ 526.292269][ T7382] ? rtnl_getlink+0xb40/0xb40 [ 526.297587][ T7382] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 526.303793][ T7382] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 526.309929][ T7382] netlink_rcv_skb+0x16b/0x440 [ 526.314740][ T7382] ? rtnl_getlink+0xb40/0xb40 [ 526.319642][ T7382] ? netlink_ack+0x1370/0x1370 [ 526.324438][ T7382] ? lock_sync+0x190/0x190 [ 526.329275][ T7382] ? netlink_deliver_tap+0x1a0/0xd00 [ 526.334711][ T7382] ? _copy_from_iter+0x2c1/0x10f0 [ 526.339956][ T7382] netlink_unicast+0x53b/0x810 [ 526.344936][ T7382] ? netlink_attachskb+0x880/0x880 [ 526.350071][ T7382] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 526.356081][ T7382] ? __phys_addr_symbol+0x30/0x70 [ 526.361309][ T7382] ? __check_object_size+0x323/0x730 [ 526.366666][ T7382] netlink_sendmsg+0x93c/0xe40 [ 526.371674][ T7382] ? netlink_unicast+0x810/0x810 [ 526.376677][ T7382] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 526.382102][ T7382] ? netlink_unicast+0x810/0x810 [ 526.387076][ T7382] __sock_sendmsg+0xd5/0x180 [ 526.392429][ T7382] ____sys_sendmsg+0x6ac/0x940 [ 526.397448][ T7382] ? copy_msghdr_from_user+0x10b/0x160 [ 526.403024][ T7382] ? kernel_sendmsg+0x50/0x50 [ 526.407863][ T7382] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 526.414207][ T7382] ___sys_sendmsg+0x135/0x1d0 [ 526.419387][ T7382] ? do_recvmmsg+0x740/0x740 [ 526.424086][ T7382] ? find_held_lock+0x2d/0x110 [ 526.430139][ T7382] ? preempt_count_sub+0x150/0x150 [ 526.435324][ T7382] ? __fget_light+0x1fc/0x260 [ 526.440478][ T7382] __sys_sendmsg+0x117/0x1e0 [ 526.445148][ T7382] ? __sys_sendmsg_sock+0x30/0x30 [ 526.450342][ T7382] ? syscall_enter_from_user_mode+0x26/0x80 [ 526.456373][ T7382] do_syscall_64+0x3f/0x110 [ 526.461183][ T7382] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 526.467123][ T7382] RIP: 0033:0x7f2631248c19 [ 526.472009][ T7382] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 526.492440][ T7382] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 526.501074][ T7382] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 526.509256][ T7382] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 526.517687][ T7382] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 526.526005][ T7382] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 526.534781][ T7382] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 526.543232][ T7382] [ 526.553831][ T7382] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 526.617621][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 526.632648][ T4735] CPU: 0 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 526.642194][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 526.653591][ T4735] Call Trace: [ 526.657190][ T4735] [ 526.660314][ T4735] dump_stack_lvl+0x125/0x1b0 [ 526.665118][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 526.669661][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 526.675174][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 526.681324][ T4735] ? spin_bug+0x1d0/0x1d0 [ 526.686076][ T4735] ? net_namespace+0x12/0x40 [ 526.691175][ T4735] ? device_namespace+0x8d/0xc0 [ 526.696356][ T4735] kobject_add_internal+0x2c8/0x960 [ 526.701747][ T4735] kobject_add+0x16f/0x240 [ 526.706763][ T4735] ? kset_create_and_add+0x190/0x190 [ 526.712705][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 526.718395][ T4735] ? kobject_put+0xbe/0x440 [ 526.723024][ T4735] ? device_add+0xc35/0x1aa0 [ 526.727944][ T4735] device_add+0x289/0x1aa0 [ 526.733453][ T4735] ? device_initialize+0x510/0x510 [ 526.738972][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 526.746311][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 526.751839][ T4735] netdev_register_kobject+0x183/0x3f0 [ 526.757880][ T4735] register_netdevice+0xbdf/0x14a0 [ 526.763667][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 526.769778][ T4735] ? alloc_netdev_mqs+0xee6/0x1290 [ 526.774935][ T4735] bpq_device_event+0x39e/0xaf0 [ 526.779991][ T4735] ? team_device_event+0x219/0x750 [ 526.786269][ T4735] notifier_call_chain+0xb6/0x3b0 [ 526.791429][ T4735] ? bpq_seq_stop+0xb0/0xb0 [ 526.796153][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 526.802893][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 526.808859][ T4735] ? dev_change_name+0x800/0x800 [ 526.813853][ T4735] ? dev_set_allmulti+0x30/0x30 [ 526.818819][ T4735] dev_change_flags+0x122/0x170 [ 526.823874][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 526.828679][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 526.834007][ T4735] ? _copy_from_user+0x5d/0xf0 [ 526.839160][ T4735] inet_ioctl+0x3a6/0x3f0 [ 526.843526][ T4735] ? find_held_lock+0x2d/0x110 [ 526.848843][ T4735] ? ipip_gro_complete+0x140/0x140 [ 526.855096][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 526.860996][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 526.866836][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 526.872527][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 526.878732][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 526.883987][ T4735] sock_do_ioctl+0x113/0x270 [ 526.889050][ T4735] ? put_user_ifreq+0x140/0x140 [ 526.893926][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 526.899778][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 526.905064][ T4735] sock_ioctl+0x22e/0x6b0 [ 526.909657][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 526.914507][ T4735] ? __sys_socket+0xad/0x260 [ 526.919673][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 526.924888][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 526.929604][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 526.934527][ T4735] do_syscall_64+0x3f/0x110 [ 526.939201][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 526.945319][ T4735] RIP: 0033:0x7f6854c13d49 [ 526.950225][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 526.970838][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 526.979488][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 526.988022][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 526.996124][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 527.004297][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 527.012399][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 527.021147][ T4735] [ 527.038610][ T4735] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 527.057753][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 527.067713][ T4735] CPU: 0 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 527.077213][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 527.087729][ T4735] Call Trace: [ 527.091228][ T4735] [ 527.094402][ T4735] dump_stack_lvl+0x125/0x1b0 [ 527.099302][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 527.104103][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 527.109349][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 527.115381][ T4735] ? spin_bug+0x1d0/0x1d0 [ 527.119754][ T4735] ? net_namespace+0x12/0x40 [ 527.124455][ T4735] ? device_namespace+0x8d/0xc0 [ 527.129486][ T4735] kobject_add_internal+0x2c8/0x960 [ 527.134909][ T4735] kobject_add+0x16f/0x240 [ 527.139368][ T4735] ? kset_create_and_add+0x190/0x190 [ 527.144866][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 527.150119][ T4735] ? kobject_put+0xbe/0x440 [ 527.154744][ T4735] ? device_add+0xc35/0x1aa0 [ 527.159545][ T4735] device_add+0x289/0x1aa0 [ 527.164166][ T4735] ? device_initialize+0x510/0x510 [ 527.169488][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 527.176394][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 527.182021][ T4735] netdev_register_kobject+0x183/0x3f0 [ 527.187973][ T4735] register_netdevice+0xbdf/0x14a0 [ 527.193211][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 527.198523][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 527.204722][ T4735] ? lapbeth_setup+0x170/0x170 [ 527.209698][ T4735] lapbeth_device_event+0x5b8/0xd40 [ 527.215035][ T4735] notifier_call_chain+0xb6/0x3b0 [ 527.220443][ T4735] ? lapbeth_xmit+0x290/0x290 [ 527.225156][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 527.231090][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 527.236498][ T4735] ? dev_change_name+0x800/0x800 [ 527.241547][ T4735] ? dev_set_allmulti+0x30/0x30 [ 527.246616][ T4735] dev_change_flags+0x122/0x170 [ 527.251757][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 527.256648][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 527.262142][ T4735] ? _copy_from_user+0x5d/0xf0 [ 527.267080][ T4735] inet_ioctl+0x3a6/0x3f0 [ 527.271518][ T4735] ? find_held_lock+0x2d/0x110 [ 527.276403][ T4735] ? ipip_gro_complete+0x140/0x140 [ 527.281655][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 527.287498][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 527.293692][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 527.298847][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 527.304775][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 527.310003][ T4735] sock_do_ioctl+0x113/0x270 [ 527.314674][ T4735] ? put_user_ifreq+0x140/0x140 [ 527.319891][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 527.324769][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 527.329925][ T4735] sock_ioctl+0x22e/0x6b0 [ 527.334277][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 527.339071][ T4735] ? __sys_socket+0xad/0x260 [ 527.343781][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 527.348755][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 527.353369][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 527.359122][ T4735] do_syscall_64+0x3f/0x110 [ 527.364272][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 527.370364][ T4735] RIP: 0033:0x7f6854c13d49 [ 527.374793][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 527.394773][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 527.403331][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 527.411507][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 527.419749][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 527.427964][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 527.436145][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 527.444190][ T4735] [ 527.449934][ T4735] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 527.466900][ T4735] 8021q: adding VLAN 0 to HW filter on device team4 [ 527.474116][ T7386] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 527.499120][ T7386] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 527.518948][ T7386] CPU: 0 PID: 7386 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 527.529254][ T7386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 527.540208][ T7386] Call Trace: [ 527.543618][ T7386] [ 527.546655][ T7386] dump_stack_lvl+0x125/0x1b0 [ 527.551465][ T7386] sysfs_warn_dup+0x7f/0xa0 [ 527.556151][ T7386] sysfs_create_dir_ns+0x247/0x2a0 [ 527.561348][ T7386] ? sysfs_create_mount_point+0xb0/0xb0 [ 527.567032][ T7386] ? spin_bug+0x1d0/0x1d0 [ 527.571580][ T7386] ? net_namespace+0x12/0x40 [ 527.576481][ T7386] ? device_namespace+0x8d/0xc0 [ 527.581545][ T7386] kobject_add_internal+0x2c8/0x960 [ 527.586854][ T7386] kobject_add+0x16f/0x240 [ 527.591375][ T7386] ? kset_create_and_add+0x190/0x190 [ 527.596943][ T7386] ? do_raw_spin_unlock+0x173/0x230 [ 527.602591][ T7386] ? kobject_put+0xbe/0x440 [ 527.607489][ T7386] ? device_add+0xc35/0x1aa0 [ 527.612214][ T7386] device_add+0x289/0x1aa0 [ 527.616833][ T7386] ? device_initialize+0x510/0x510 [ 527.622098][ T7386] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 527.629009][ T7386] ? __init_waitqueue_head+0xca/0x150 [ 527.634617][ T7386] netdev_register_kobject+0x183/0x3f0 [ 527.640114][ T7386] register_netdevice+0xbdf/0x14a0 [ 527.645332][ T7386] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 527.651340][ T7386] ? team_nl_cmd_noop+0x280/0x280 [ 527.656463][ T7386] team_newlink+0x92/0x160 [ 527.660987][ T7386] ? team_nl_cmd_noop+0x280/0x280 [ 527.666044][ T7386] ? rtnl_create_link+0xa6d/0xfd0 [ 527.671311][ T7386] __rtnl_newlink+0x1173/0x1930 [ 527.676483][ T7386] ? rtnl_link_unregister+0x260/0x260 [ 527.681986][ T7386] rtnl_newlink+0x67/0xa0 [ 527.686519][ T7386] ? __rtnl_newlink+0x1930/0x1930 [ 527.691723][ T7386] rtnetlink_rcv_msg+0x3c7/0xe00 [ 527.697130][ T7386] ? rtnl_getlink+0xb40/0xb40 [ 527.701820][ T7386] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 527.708018][ T7386] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 527.714223][ T7386] netlink_rcv_skb+0x16b/0x440 [ 527.719281][ T7386] ? rtnl_getlink+0xb40/0xb40 [ 527.724673][ T7386] ? netlink_ack+0x1370/0x1370 [ 527.729759][ T7386] ? lock_sync+0x190/0x190 [ 527.734292][ T7386] ? netlink_deliver_tap+0x1a0/0xd00 [ 527.739857][ T7386] ? _copy_from_iter+0x2c1/0x10f0 [ 527.745347][ T7386] netlink_unicast+0x53b/0x810 [ 527.750227][ T7386] ? netlink_attachskb+0x880/0x880 [ 527.755578][ T7386] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 527.761743][ T7386] ? __phys_addr_symbol+0x30/0x70 [ 527.767162][ T7386] ? __check_object_size+0x323/0x730 [ 527.772570][ T7386] netlink_sendmsg+0x93c/0xe40 [ 527.777532][ T7386] ? netlink_unicast+0x810/0x810 [ 527.782589][ T7386] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 527.787894][ T7386] ? netlink_unicast+0x810/0x810 [ 527.792935][ T7386] __sock_sendmsg+0xd5/0x180 [ 527.797536][ T7386] ____sys_sendmsg+0x6ac/0x940 [ 527.802403][ T7386] ? copy_msghdr_from_user+0x10b/0x160 [ 527.808138][ T7386] ? kernel_sendmsg+0x50/0x50 [ 527.812845][ T7386] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 527.818877][ T7386] ___sys_sendmsg+0x135/0x1d0 [ 527.823672][ T7386] ? do_recvmmsg+0x740/0x740 [ 527.828454][ T7386] ? find_held_lock+0x2d/0x110 [ 527.833248][ T7386] ? preempt_count_sub+0x150/0x150 [ 527.838471][ T7386] ? __fget_light+0x1fc/0x260 [ 527.843280][ T7386] __sys_sendmsg+0x117/0x1e0 [ 527.847973][ T7386] ? __sys_sendmsg_sock+0x30/0x30 [ 527.853022][ T7386] ? syscall_enter_from_user_mode+0x26/0x80 [ 527.859101][ T7386] do_syscall_64+0x3f/0x110 [ 527.863617][ T7386] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 527.869866][ T7386] RIP: 0033:0x7f2631248c19 [ 527.874287][ T7386] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 527.894501][ T7386] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 527.903103][ T7386] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 527.911344][ T7386] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 527.919546][ T7386] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 527.928491][ T7386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 527.936553][ T7386] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 527.944977][ T7386] [ 527.950241][ T7386] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 527.979112][ T7386] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 527.989111][ T7386] CPU: 1 PID: 7386 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 527.999762][ T7386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 528.010541][ T7386] Call Trace: [ 528.013857][ T7386] [ 528.016842][ T7386] dump_stack_lvl+0x125/0x1b0 [ 528.021645][ T7386] sysfs_warn_dup+0x7f/0xa0 [ 528.026209][ T7386] sysfs_create_dir_ns+0x247/0x2a0 [ 528.031721][ T7386] ? sysfs_create_mount_point+0xb0/0xb0 [ 528.037326][ T7386] ? spin_bug+0x1d0/0x1d0 [ 528.041696][ T7386] ? net_namespace+0x12/0x40 [ 528.046320][ T7386] ? device_namespace+0x8d/0xc0 [ 528.051229][ T7386] kobject_add_internal+0x2c8/0x960 [ 528.056648][ T7386] kobject_add+0x16f/0x240 [ 528.061112][ T7386] ? kset_create_and_add+0x190/0x190 [ 528.066621][ T7386] ? do_raw_spin_unlock+0x173/0x230 [ 528.071876][ T7386] ? kobject_put+0xbe/0x440 [ 528.076598][ T7386] ? device_add+0xc35/0x1aa0 [ 528.081587][ T7386] device_add+0x289/0x1aa0 [ 528.086809][ T7386] ? device_initialize+0x510/0x510 [ 528.092006][ T7386] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 528.098992][ T7386] ? __init_waitqueue_head+0xca/0x150 [ 528.104957][ T7386] netdev_register_kobject+0x183/0x3f0 [ 528.110832][ T7386] register_netdevice+0xbdf/0x14a0 [ 528.116254][ T7386] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 528.122188][ T7386] ? validate_linkmsg+0x6fc/0x9c0 [ 528.127255][ T7386] ? rtnl_create_link+0xa6d/0xfd0 [ 528.133013][ T7386] ? batadv_get_sset_count+0x40/0x40 [ 528.138365][ T7386] batadv_softif_newlink+0x70/0x90 [ 528.143610][ T7386] __rtnl_newlink+0x1173/0x1930 [ 528.148527][ T7386] ? rtnl_link_unregister+0x260/0x260 [ 528.153981][ T7386] rtnl_newlink+0x67/0xa0 [ 528.158364][ T7386] ? __rtnl_newlink+0x1930/0x1930 [ 528.163537][ T7386] rtnetlink_rcv_msg+0x3c7/0xe00 [ 528.168799][ T7386] ? rtnl_getlink+0xb40/0xb40 [ 528.173587][ T7386] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 528.179703][ T7386] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 528.185934][ T7386] netlink_rcv_skb+0x16b/0x440 [ 528.190836][ T7386] ? rtnl_getlink+0xb40/0xb40 [ 528.195761][ T7386] ? netlink_ack+0x1370/0x1370 [ 528.200740][ T7386] ? lock_sync+0x190/0x190 [ 528.205220][ T7386] ? netlink_deliver_tap+0x1a0/0xd00 [ 528.210660][ T7386] ? _copy_from_iter+0x2c1/0x10f0 [ 528.215735][ T7386] netlink_unicast+0x53b/0x810 [ 528.220542][ T7386] ? netlink_attachskb+0x880/0x880 [ 528.226364][ T7386] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 528.232398][ T7386] ? __phys_addr_symbol+0x30/0x70 [ 528.237555][ T7386] ? __check_object_size+0x323/0x730 [ 528.243058][ T7386] netlink_sendmsg+0x93c/0xe40 [ 528.247952][ T7386] ? netlink_unicast+0x810/0x810 [ 528.253100][ T7386] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 528.258693][ T7386] ? netlink_unicast+0x810/0x810 [ 528.263850][ T7386] __sock_sendmsg+0xd5/0x180 [ 528.268594][ T7386] ____sys_sendmsg+0x6ac/0x940 [ 528.273483][ T7386] ? copy_msghdr_from_user+0x10b/0x160 [ 528.279075][ T7386] ? kernel_sendmsg+0x50/0x50 [ 528.283801][ T7386] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 528.290197][ T7386] ___sys_sendmsg+0x135/0x1d0 [ 528.295003][ T7386] ? do_recvmmsg+0x740/0x740 [ 528.299887][ T7386] ? find_held_lock+0x2d/0x110 [ 528.304729][ T7386] ? preempt_count_sub+0x150/0x150 [ 528.310079][ T7386] ? __fget_light+0x1fc/0x260 [ 528.314809][ T7386] __sys_sendmsg+0x117/0x1e0 [ 528.319616][ T7386] ? __sys_sendmsg_sock+0x30/0x30 [ 528.324696][ T7386] ? syscall_enter_from_user_mode+0x26/0x80 [ 528.331529][ T7386] do_syscall_64+0x3f/0x110 [ 528.336103][ T7386] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 528.342128][ T7386] RIP: 0033:0x7f2631248c19 [ 528.346739][ T7386] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 528.366656][ T7386] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 528.375108][ T7386] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 528.383155][ T7386] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 528.391151][ T7386] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 528.399412][ T7386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 528.407417][ T7386] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 528.415780][ T7386] [ 528.461268][ T7386] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 528.557876][ T7395] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 528.569607][ T7395] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 528.579418][ T7395] CPU: 0 PID: 7395 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 528.589785][ T7395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 528.600134][ T7395] Call Trace: [ 528.603429][ T7395] [ 528.606374][ T7395] dump_stack_lvl+0x125/0x1b0 [ 528.611183][ T7395] sysfs_warn_dup+0x7f/0xa0 [ 528.615810][ T7395] sysfs_create_dir_ns+0x247/0x2a0 [ 528.620973][ T7395] ? sysfs_create_mount_point+0xb0/0xb0 [ 528.626725][ T7395] ? spin_bug+0x1d0/0x1d0 [ 528.631090][ T7395] ? net_namespace+0x12/0x40 [ 528.636161][ T7395] ? device_namespace+0x8d/0xc0 [ 528.641077][ T7395] kobject_add_internal+0x2c8/0x960 [ 528.646518][ T7395] kobject_add+0x16f/0x240 [ 528.651335][ T7395] ? kset_create_and_add+0x190/0x190 [ 528.657120][ T7395] ? do_raw_spin_unlock+0x173/0x230 [ 528.662483][ T7395] ? kobject_put+0xbe/0x440 [ 528.667037][ T7395] ? device_add+0xc35/0x1aa0 [ 528.672268][ T7395] device_add+0x289/0x1aa0 [ 528.677447][ T7395] ? device_initialize+0x510/0x510 [ 528.684181][ T7395] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 528.691782][ T7395] ? __init_waitqueue_head+0xca/0x150 [ 528.697567][ T7395] netdev_register_kobject+0x183/0x3f0 [ 528.704170][ T7395] register_netdevice+0xbdf/0x14a0 [ 528.709781][ T7395] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 528.716398][ T7395] ? team_nl_cmd_noop+0x280/0x280 [ 528.721919][ T7395] team_newlink+0x92/0x160 [ 528.726643][ T7395] ? team_nl_cmd_noop+0x280/0x280 [ 528.731981][ T7395] ? rtnl_create_link+0xa6d/0xfd0 [ 528.737262][ T7395] __rtnl_newlink+0x1173/0x1930 [ 528.742507][ T7395] ? rtnl_link_unregister+0x260/0x260 [ 528.748151][ T7395] rtnl_newlink+0x67/0xa0 [ 528.752615][ T7395] ? __rtnl_newlink+0x1930/0x1930 [ 528.757685][ T7395] rtnetlink_rcv_msg+0x3c7/0xe00 [ 528.762783][ T7395] ? rtnl_getlink+0xb40/0xb40 [ 528.767577][ T7395] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 528.773589][ T7395] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 528.781201][ T7395] netlink_rcv_skb+0x16b/0x440 [ 528.786217][ T7395] ? rtnl_getlink+0xb40/0xb40 [ 528.791105][ T7395] ? netlink_ack+0x1370/0x1370 [ 528.795905][ T7395] ? lock_sync+0x190/0x190 [ 528.800495][ T7395] ? netlink_deliver_tap+0x1a0/0xd00 [ 528.805940][ T7395] ? _copy_from_iter+0x2c1/0x10f0 [ 528.811269][ T7395] netlink_unicast+0x53b/0x810 [ 528.816078][ T7395] ? netlink_attachskb+0x880/0x880 [ 528.821225][ T7395] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 528.827328][ T7395] ? __phys_addr_symbol+0x30/0x70 [ 528.832652][ T7395] ? __check_object_size+0x323/0x730 [ 528.838076][ T7395] netlink_sendmsg+0x93c/0xe40 [ 528.843073][ T7395] ? netlink_unicast+0x810/0x810 [ 528.848060][ T7395] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 528.853462][ T7395] ? netlink_unicast+0x810/0x810 [ 528.858570][ T7395] __sock_sendmsg+0xd5/0x180 [ 528.863447][ T7395] ____sys_sendmsg+0x6ac/0x940 [ 528.868233][ T7395] ? copy_msghdr_from_user+0x10b/0x160 [ 528.873990][ T7395] ? kernel_sendmsg+0x50/0x50 [ 528.878693][ T7395] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 528.884983][ T7395] ___sys_sendmsg+0x135/0x1d0 [ 528.890119][ T7395] ? do_recvmmsg+0x740/0x740 [ 528.894923][ T7395] ? find_held_lock+0x2d/0x110 [ 528.900060][ T7395] ? preempt_count_sub+0x150/0x150 [ 528.906021][ T7395] ? __fget_light+0x1fc/0x260 [ 528.913313][ T7395] __sys_sendmsg+0x117/0x1e0 [ 528.918255][ T7395] ? __sys_sendmsg_sock+0x30/0x30 [ 528.923556][ T7395] ? syscall_enter_from_user_mode+0x26/0x80 [ 528.930892][ T7395] do_syscall_64+0x3f/0x110 [ 528.935549][ T7395] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 528.941754][ T7395] RIP: 0033:0x7f2631248c19 [ 528.947601][ T7395] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 528.969383][ T7395] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 528.978364][ T7395] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 528.986792][ T7395] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 528.994965][ T7395] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 529.003691][ T7395] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 529.012301][ T7395] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 529.020851][ T7395] [ 529.042271][ T7395] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 529.097932][ T7395] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 529.115784][ T7395] CPU: 0 PID: 7395 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 529.126360][ T7395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 529.136907][ T7395] Call Trace: [ 529.140292][ T7395] [ 529.143251][ T7395] dump_stack_lvl+0x125/0x1b0 [ 529.147972][ T7395] sysfs_warn_dup+0x7f/0xa0 [ 529.152614][ T7395] sysfs_create_dir_ns+0x247/0x2a0 [ 529.157982][ T7395] ? sysfs_create_mount_point+0xb0/0xb0 [ 529.163837][ T7395] ? spin_bug+0x1d0/0x1d0 [ 529.168999][ T7395] ? net_namespace+0x12/0x40 [ 529.173634][ T7395] ? device_namespace+0x8d/0xc0 [ 529.178725][ T7395] kobject_add_internal+0x2c8/0x960 [ 529.184065][ T7395] kobject_add+0x16f/0x240 [ 529.188518][ T7395] ? kset_create_and_add+0x190/0x190 [ 529.193868][ T7395] ? do_raw_spin_unlock+0x173/0x230 [ 529.199531][ T7395] ? kobject_put+0xbe/0x440 [ 529.204053][ T7395] ? device_add+0xc35/0x1aa0 [ 529.208884][ T7395] device_add+0x289/0x1aa0 [ 529.213867][ T7395] ? device_initialize+0x510/0x510 [ 529.219443][ T7395] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 529.226660][ T7395] ? __init_waitqueue_head+0xca/0x150 [ 529.232142][ T7395] netdev_register_kobject+0x183/0x3f0 [ 529.237798][ T7395] register_netdevice+0xbdf/0x14a0 [ 529.243098][ T7395] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 529.249091][ T7395] ? validate_linkmsg+0x6fc/0x9c0 [ 529.254225][ T7395] ? rtnl_create_link+0xa6d/0xfd0 [ 529.259683][ T7395] ? batadv_get_sset_count+0x40/0x40 [ 529.265077][ T7395] batadv_softif_newlink+0x70/0x90 [ 529.270557][ T7395] __rtnl_newlink+0x1173/0x1930 [ 529.276056][ T7395] ? rtnl_link_unregister+0x260/0x260 [ 529.281640][ T7395] rtnl_newlink+0x67/0xa0 [ 529.285976][ T7395] ? __rtnl_newlink+0x1930/0x1930 [ 529.291050][ T7395] rtnetlink_rcv_msg+0x3c7/0xe00 [ 529.296027][ T7395] ? rtnl_getlink+0xb40/0xb40 [ 529.301098][ T7395] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 529.307511][ T7395] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 529.313806][ T7395] netlink_rcv_skb+0x16b/0x440 [ 529.318860][ T7395] ? rtnl_getlink+0xb40/0xb40 [ 529.323896][ T7395] ? netlink_ack+0x1370/0x1370 [ 529.329233][ T7395] ? lock_sync+0x190/0x190 [ 529.333963][ T7395] ? netlink_deliver_tap+0x1a0/0xd00 [ 529.339624][ T7395] ? _copy_from_iter+0x2c1/0x10f0 [ 529.344850][ T7395] netlink_unicast+0x53b/0x810 [ 529.350154][ T7395] ? netlink_attachskb+0x880/0x880 [ 529.355281][ T7395] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 529.361609][ T7395] ? __phys_addr_symbol+0x30/0x70 [ 529.366820][ T7395] ? __check_object_size+0x323/0x730 [ 529.372302][ T7395] netlink_sendmsg+0x93c/0xe40 [ 529.377085][ T7395] ? netlink_unicast+0x810/0x810 [ 529.382074][ T7395] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 529.387502][ T7395] ? netlink_unicast+0x810/0x810 [ 529.392479][ T7395] __sock_sendmsg+0xd5/0x180 [ 529.397196][ T7395] ____sys_sendmsg+0x6ac/0x940 [ 529.402196][ T7395] ? copy_msghdr_from_user+0x10b/0x160 [ 529.407773][ T7395] ? kernel_sendmsg+0x50/0x50 [ 529.412730][ T7395] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 529.419199][ T7395] ___sys_sendmsg+0x135/0x1d0 [ 529.424072][ T7395] ? do_recvmmsg+0x740/0x740 [ 529.428712][ T7395] ? find_held_lock+0x2d/0x110 [ 529.433711][ T7395] ? preempt_count_sub+0x150/0x150 [ 529.439040][ T7395] ? __fget_light+0x1fc/0x260 [ 529.443928][ T7395] __sys_sendmsg+0x117/0x1e0 [ 529.448538][ T7395] ? __sys_sendmsg_sock+0x30/0x30 [ 529.453855][ T7395] ? syscall_enter_from_user_mode+0x26/0x80 [ 529.460317][ T7395] do_syscall_64+0x3f/0x110 [ 529.465027][ T7395] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 529.471291][ T7395] RIP: 0033:0x7f2631248c19 [ 529.476170][ T7395] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 529.496394][ T7395] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 529.504934][ T7395] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 529.513263][ T7395] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 529.521323][ T7395] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 529.529567][ T7395] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 529.537721][ T7395] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 529.545799][ T7395] [ 529.638465][ T7395] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 529.726531][ T7402] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 529.746197][ T7402] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 529.774440][ T7402] CPU: 0 PID: 7402 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 529.784758][ T7402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 529.795363][ T7402] Call Trace: [ 529.798680][ T7402] [ 529.801627][ T7402] dump_stack_lvl+0x125/0x1b0 [ 529.806439][ T7402] sysfs_warn_dup+0x7f/0xa0 [ 529.811074][ T7402] sysfs_create_dir_ns+0x247/0x2a0 [ 529.816585][ T7402] ? sysfs_create_mount_point+0xb0/0xb0 [ 529.822195][ T7402] ? spin_bug+0x1d0/0x1d0 [ 529.826576][ T7402] ? net_namespace+0x12/0x40 [ 529.831376][ T7402] ? device_namespace+0x8d/0xc0 [ 529.836632][ T7402] kobject_add_internal+0x2c8/0x960 [ 529.841979][ T7402] kobject_add+0x16f/0x240 [ 529.846535][ T7402] ? kset_create_and_add+0x190/0x190 [ 529.852050][ T7402] ? do_raw_spin_unlock+0x173/0x230 [ 529.857381][ T7402] ? kobject_put+0xbe/0x440 [ 529.861926][ T7402] ? device_add+0xc35/0x1aa0 [ 529.866703][ T7402] device_add+0x289/0x1aa0 [ 529.871331][ T7402] ? device_initialize+0x510/0x510 [ 529.876772][ T7402] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 529.884025][ T7402] ? __init_waitqueue_head+0xca/0x150 [ 529.889455][ T7402] netdev_register_kobject+0x183/0x3f0 [ 529.894966][ T7402] register_netdevice+0xbdf/0x14a0 [ 529.900122][ T7402] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 529.906487][ T7402] ? team_nl_cmd_noop+0x280/0x280 [ 529.911899][ T7402] team_newlink+0x92/0x160 [ 529.916536][ T7402] ? team_nl_cmd_noop+0x280/0x280 [ 529.921965][ T7402] ? rtnl_create_link+0xa6d/0xfd0 [ 529.927483][ T7402] __rtnl_newlink+0x1173/0x1930 [ 529.932712][ T7402] ? rtnl_link_unregister+0x260/0x260 [ 529.938243][ T7402] rtnl_newlink+0x67/0xa0 [ 529.942601][ T7402] ? __rtnl_newlink+0x1930/0x1930 [ 529.948011][ T7402] rtnetlink_rcv_msg+0x3c7/0xe00 [ 529.954045][ T7402] ? rtnl_getlink+0xb40/0xb40 [ 529.958853][ T7402] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 529.965195][ T7402] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 529.972805][ T7402] netlink_rcv_skb+0x16b/0x440 [ 529.978173][ T7402] ? rtnl_getlink+0xb40/0xb40 [ 529.983259][ T7402] ? netlink_ack+0x1370/0x1370 [ 529.988073][ T7402] ? lock_sync+0x190/0x190 [ 529.992898][ T7402] ? netlink_deliver_tap+0x1a0/0xd00 [ 529.998515][ T7402] ? _copy_from_iter+0x2c1/0x10f0 [ 530.004769][ T7402] netlink_unicast+0x53b/0x810 [ 530.009956][ T7402] ? netlink_attachskb+0x880/0x880 [ 530.015818][ T7402] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 530.021999][ T7402] ? __phys_addr_symbol+0x30/0x70 [ 530.028815][ T7402] ? __check_object_size+0x323/0x730 [ 530.034679][ T7402] netlink_sendmsg+0x93c/0xe40 [ 530.039680][ T7402] ? netlink_unicast+0x810/0x810 [ 530.044769][ T7402] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 530.050093][ T7402] ? netlink_unicast+0x810/0x810 [ 530.055154][ T7402] __sock_sendmsg+0xd5/0x180 [ 530.060051][ T7402] ____sys_sendmsg+0x6ac/0x940 [ 530.064945][ T7402] ? copy_msghdr_from_user+0x10b/0x160 [ 530.070721][ T7402] ? kernel_sendmsg+0x50/0x50 [ 530.075871][ T7402] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 530.082250][ T7402] ___sys_sendmsg+0x135/0x1d0 [ 530.087676][ T7402] ? do_recvmmsg+0x740/0x740 [ 530.092654][ T7402] ? find_held_lock+0x2d/0x110 [ 530.097574][ T7402] ? preempt_count_sub+0x150/0x150 [ 530.103004][ T7402] ? __fget_light+0x1fc/0x260 [ 530.108087][ T7402] __sys_sendmsg+0x117/0x1e0 [ 530.112967][ T7402] ? __sys_sendmsg_sock+0x30/0x30 [ 530.118059][ T7402] ? syscall_enter_from_user_mode+0x26/0x80 [ 530.123991][ T7402] do_syscall_64+0x3f/0x110 [ 530.128549][ T7402] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 530.135322][ T7402] RIP: 0033:0x7f2631248c19 [ 530.139864][ T7402] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 530.159868][ T7402] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 530.168578][ T7402] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 530.176834][ T7402] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 530.185466][ T7402] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 530.193567][ T7402] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 530.202331][ T7402] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 530.211235][ T7402] [ 530.217940][ T7402] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 530.244916][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 530.254325][ T4735] CPU: 0 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 530.264041][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 530.274386][ T4735] Call Trace: [ 530.277780][ T4735] [ 530.281075][ T4735] dump_stack_lvl+0x125/0x1b0 [ 530.285794][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 530.290367][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 530.295781][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 530.301542][ T4735] ? spin_bug+0x1d0/0x1d0 [ 530.305913][ T4735] ? net_namespace+0x12/0x40 [ 530.310533][ T4735] ? device_namespace+0x8d/0xc0 [ 530.315447][ T4735] kobject_add_internal+0x2c8/0x960 [ 530.320883][ T4735] kobject_add+0x16f/0x240 [ 530.325619][ T4735] ? kset_create_and_add+0x190/0x190 [ 530.331406][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 530.336824][ T4735] ? kobject_put+0xbe/0x440 [ 530.341454][ T4735] ? device_add+0xc35/0x1aa0 [ 530.346080][ T4735] device_add+0x289/0x1aa0 [ 530.350696][ T4735] ? device_initialize+0x510/0x510 [ 530.355851][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 530.362997][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 530.368564][ T4735] netdev_register_kobject+0x183/0x3f0 [ 530.374128][ T4735] register_netdevice+0xbdf/0x14a0 [ 530.379387][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 530.385397][ T4735] ? alloc_netdev_mqs+0xee6/0x1290 [ 530.390617][ T4735] bpq_device_event+0x39e/0xaf0 [ 530.395747][ T4735] ? team_device_event+0x219/0x750 [ 530.400905][ T4735] notifier_call_chain+0xb6/0x3b0 [ 530.406131][ T4735] ? bpq_seq_stop+0xb0/0xb0 [ 530.411261][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 530.417619][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 530.422923][ T4735] ? dev_change_name+0x800/0x800 [ 530.428303][ T4735] ? dev_set_allmulti+0x30/0x30 [ 530.433904][ T4735] dev_change_flags+0x122/0x170 [ 530.439432][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 530.445961][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 530.452090][ T4735] ? _copy_from_user+0x5d/0xf0 [ 530.457182][ T4735] inet_ioctl+0x3a6/0x3f0 [ 530.462060][ T4735] ? find_held_lock+0x2d/0x110 [ 530.466983][ T4735] ? ipip_gro_complete+0x140/0x140 [ 530.472122][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 530.477859][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 530.484213][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 530.489263][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 530.495180][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 530.500481][ T4735] sock_do_ioctl+0x113/0x270 [ 530.505255][ T4735] ? put_user_ifreq+0x140/0x140 [ 530.510313][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 530.515273][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 530.520440][ T4735] sock_ioctl+0x22e/0x6b0 [ 530.524881][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 530.529855][ T4735] ? __sys_socket+0xad/0x260 [ 530.534656][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 530.539713][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 530.544313][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 530.549100][ T4735] do_syscall_64+0x3f/0x110 [ 530.553887][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 530.560139][ T4735] RIP: 0033:0x7f6854c13d49 [ 530.564739][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 530.586720][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 530.595238][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 530.603494][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 530.611560][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 530.619647][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 530.627621][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 530.636242][ T4735] [ 530.642414][ T4735] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 530.663662][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 530.673234][ T4735] CPU: 0 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 530.682915][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 530.693263][ T4735] Call Trace: [ 530.696732][ T4735] [ 530.699691][ T4735] dump_stack_lvl+0x125/0x1b0 [ 530.704582][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 530.709328][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 530.714930][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 530.720803][ T4735] ? spin_bug+0x1d0/0x1d0 [ 530.725220][ T4735] ? net_namespace+0x12/0x40 [ 530.730007][ T4735] ? device_namespace+0x8d/0xc0 [ 530.735035][ T4735] kobject_add_internal+0x2c8/0x960 [ 530.740295][ T4735] kobject_add+0x16f/0x240 [ 530.745024][ T4735] ? kset_create_and_add+0x190/0x190 [ 530.750375][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 530.756071][ T4735] ? kobject_put+0xbe/0x440 [ 530.760796][ T4735] ? device_add+0xc35/0x1aa0 [ 530.765552][ T4735] device_add+0x289/0x1aa0 [ 530.770097][ T4735] ? device_initialize+0x510/0x510 [ 530.775334][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 530.785359][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 530.790876][ T4735] netdev_register_kobject+0x183/0x3f0 [ 530.796399][ T4735] register_netdevice+0xbdf/0x14a0 [ 530.801552][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 530.808604][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 530.814890][ T4735] ? lapbeth_setup+0x170/0x170 [ 530.819882][ T4735] lapbeth_device_event+0x5b8/0xd40 [ 530.825392][ T4735] notifier_call_chain+0xb6/0x3b0 [ 530.831513][ T4735] ? lapbeth_xmit+0x290/0x290 [ 530.836238][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 530.842281][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 530.847789][ T4735] ? dev_change_name+0x800/0x800 [ 530.852779][ T4735] ? dev_set_allmulti+0x30/0x30 [ 530.857695][ T4735] dev_change_flags+0x122/0x170 [ 530.862678][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 530.867533][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 530.872950][ T4735] ? _copy_from_user+0x5d/0xf0 [ 530.877867][ T4735] inet_ioctl+0x3a6/0x3f0 [ 530.882325][ T4735] ? find_held_lock+0x2d/0x110 [ 530.887216][ T4735] ? ipip_gro_complete+0x140/0x140 [ 530.892394][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 530.898076][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 530.903934][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 530.909269][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 530.915280][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 530.920518][ T4735] sock_do_ioctl+0x113/0x270 [ 530.925233][ T4735] ? put_user_ifreq+0x140/0x140 [ 530.930642][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 530.935795][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 530.940955][ T4735] sock_ioctl+0x22e/0x6b0 [ 530.945410][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 530.950120][ T4735] ? __sys_socket+0xad/0x260 [ 530.954750][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 530.959986][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 530.965389][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 530.970725][ T4735] do_syscall_64+0x3f/0x110 [ 530.975454][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 530.981550][ T4735] RIP: 0033:0x7f6854c13d49 [ 530.986003][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 531.006434][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 531.014879][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 531.023150][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 531.031239][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 531.039511][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 531.047970][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 531.056325][ T4735] [ 531.061472][ T4735] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 531.081928][ T4735] 8021q: adding VLAN 0 to HW filter on device team5 [ 531.092655][ T7402] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 531.102334][ T7402] CPU: 0 PID: 7402 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 531.112634][ T7402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 531.123325][ T7402] Call Trace: [ 531.127328][ T7402] [ 531.130465][ T7402] dump_stack_lvl+0x125/0x1b0 [ 531.135371][ T7402] sysfs_warn_dup+0x7f/0xa0 [ 531.140286][ T7402] sysfs_create_dir_ns+0x247/0x2a0 [ 531.145995][ T7402] ? sysfs_create_mount_point+0xb0/0xb0 [ 531.151671][ T7402] ? spin_bug+0x1d0/0x1d0 [ 531.156138][ T7402] ? net_namespace+0x12/0x40 [ 531.160777][ T7402] ? device_namespace+0x8d/0xc0 [ 531.165752][ T7402] kobject_add_internal+0x2c8/0x960 [ 531.171008][ T7402] kobject_add+0x16f/0x240 [ 531.175648][ T7402] ? kset_create_and_add+0x190/0x190 [ 531.181162][ T7402] ? do_raw_spin_unlock+0x173/0x230 [ 531.186501][ T7402] ? kobject_put+0xbe/0x440 [ 531.191155][ T7402] ? device_add+0xc35/0x1aa0 [ 531.195782][ T7402] device_add+0x289/0x1aa0 [ 531.200492][ T7402] ? device_initialize+0x510/0x510 [ 531.205666][ T7402] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 531.216309][ T7402] ? __init_waitqueue_head+0xca/0x150 [ 531.224180][ T7402] netdev_register_kobject+0x183/0x3f0 [ 531.230759][ T7402] register_netdevice+0xbdf/0x14a0 [ 531.236227][ T7402] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 531.242774][ T7402] ? validate_linkmsg+0x6fc/0x9c0 [ 531.247848][ T7402] ? rtnl_create_link+0xa6d/0xfd0 [ 531.252917][ T7402] ? batadv_get_sset_count+0x40/0x40 [ 531.258342][ T7402] batadv_softif_newlink+0x70/0x90 [ 531.263692][ T7402] __rtnl_newlink+0x1173/0x1930 [ 531.269027][ T7402] ? rtnl_link_unregister+0x260/0x260 [ 531.274987][ T7402] rtnl_newlink+0x67/0xa0 [ 531.279527][ T7402] ? __rtnl_newlink+0x1930/0x1930 [ 531.284758][ T7402] rtnetlink_rcv_msg+0x3c7/0xe00 [ 531.289990][ T7402] ? rtnl_getlink+0xb40/0xb40 [ 531.294953][ T7402] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 531.301512][ T7402] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 531.307811][ T7402] netlink_rcv_skb+0x16b/0x440 [ 531.312705][ T7402] ? rtnl_getlink+0xb40/0xb40 [ 531.317585][ T7402] ? netlink_ack+0x1370/0x1370 [ 531.322376][ T7402] ? lock_sync+0x190/0x190 [ 531.327028][ T7402] ? netlink_deliver_tap+0x1a0/0xd00 [ 531.332702][ T7402] ? _copy_from_iter+0x2c1/0x10f0 [ 531.338033][ T7402] netlink_unicast+0x53b/0x810 [ 531.343016][ T7402] ? netlink_attachskb+0x880/0x880 [ 531.348153][ T7402] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 531.354175][ T7402] ? __phys_addr_symbol+0x30/0x70 [ 531.359447][ T7402] ? __check_object_size+0x323/0x730 [ 531.364902][ T7402] netlink_sendmsg+0x93c/0xe40 [ 531.369728][ T7402] ? netlink_unicast+0x810/0x810 [ 531.374877][ T7402] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 531.380370][ T7402] ? netlink_unicast+0x810/0x810 [ 531.385520][ T7402] __sock_sendmsg+0xd5/0x180 [ 531.390311][ T7402] ____sys_sendmsg+0x6ac/0x940 [ 531.395187][ T7402] ? copy_msghdr_from_user+0x10b/0x160 [ 531.400692][ T7402] ? kernel_sendmsg+0x50/0x50 [ 531.405503][ T7402] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 531.411627][ T7402] ___sys_sendmsg+0x135/0x1d0 [ 531.416442][ T7402] ? do_recvmmsg+0x740/0x740 [ 531.421663][ T7402] ? find_held_lock+0x2d/0x110 [ 531.426867][ T7402] ? preempt_count_sub+0x150/0x150 [ 531.432490][ T7402] ? __fget_light+0x1fc/0x260 [ 531.437848][ T7402] __sys_sendmsg+0x117/0x1e0 [ 531.443016][ T7402] ? __sys_sendmsg_sock+0x30/0x30 [ 531.448998][ T7402] ? syscall_enter_from_user_mode+0x26/0x80 [ 531.455293][ T7402] do_syscall_64+0x3f/0x110 [ 531.460097][ T7402] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 531.466456][ T7402] RIP: 0033:0x7f2631248c19 [ 531.471154][ T7402] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 531.491796][ T7402] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 531.501037][ T7402] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 531.509562][ T7402] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 531.517999][ T7402] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 531.526080][ T7402] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 531.534868][ T7402] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 531.543233][ T7402] [ 531.552449][ T7402] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 531.636756][ T7405] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 531.666331][ T7405] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 531.684455][ T7405] CPU: 0 PID: 7405 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 531.695592][ T7405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 531.707871][ T7405] Call Trace: [ 531.711348][ T7405] [ 531.714480][ T7405] dump_stack_lvl+0x125/0x1b0 [ 531.719487][ T7405] sysfs_warn_dup+0x7f/0xa0 [ 531.724326][ T7405] sysfs_create_dir_ns+0x247/0x2a0 [ 531.729847][ T7405] ? sysfs_create_mount_point+0xb0/0xb0 [ 531.735571][ T7405] ? spin_bug+0x1d0/0x1d0 [ 531.740160][ T7405] ? net_namespace+0x12/0x40 [ 531.744885][ T7405] ? device_namespace+0x8d/0xc0 [ 531.749804][ T7405] kobject_add_internal+0x2c8/0x960 [ 531.755065][ T7405] kobject_add+0x16f/0x240 [ 531.759636][ T7405] ? kset_create_and_add+0x190/0x190 [ 531.765245][ T7405] ? do_raw_spin_unlock+0x173/0x230 [ 531.770508][ T7405] ? kobject_put+0xbe/0x440 [ 531.775074][ T7405] ? device_add+0xc35/0x1aa0 [ 531.779975][ T7405] device_add+0x289/0x1aa0 [ 531.785737][ T7405] ? device_initialize+0x510/0x510 [ 531.791002][ T7405] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 531.798256][ T7405] ? __init_waitqueue_head+0xca/0x150 [ 531.803862][ T7405] netdev_register_kobject+0x183/0x3f0 [ 531.809642][ T7405] register_netdevice+0xbdf/0x14a0 [ 531.814990][ T7405] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 531.821118][ T7405] ? team_nl_cmd_noop+0x280/0x280 [ 531.826202][ T7405] team_newlink+0x92/0x160 [ 531.830843][ T7405] ? team_nl_cmd_noop+0x280/0x280 [ 531.836010][ T7405] ? rtnl_create_link+0xa6d/0xfd0 [ 531.841100][ T7405] __rtnl_newlink+0x1173/0x1930 [ 531.846074][ T7405] ? rtnl_link_unregister+0x260/0x260 [ 531.851629][ T7405] rtnl_newlink+0x67/0xa0 [ 531.855996][ T7405] ? __rtnl_newlink+0x1930/0x1930 [ 531.861407][ T7405] rtnetlink_rcv_msg+0x3c7/0xe00 [ 531.866624][ T7405] ? rtnl_getlink+0xb40/0xb40 [ 531.871686][ T7405] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 531.878247][ T7405] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 531.884656][ T7405] netlink_rcv_skb+0x16b/0x440 [ 531.889621][ T7405] ? rtnl_getlink+0xb40/0xb40 [ 531.894606][ T7405] ? netlink_ack+0x1370/0x1370 [ 531.899682][ T7405] ? lock_sync+0x190/0x190 [ 531.904422][ T7405] ? netlink_deliver_tap+0x1a0/0xd00 [ 531.909834][ T7405] ? _copy_from_iter+0x2c1/0x10f0 [ 531.915117][ T7405] netlink_unicast+0x53b/0x810 [ 531.920026][ T7405] ? netlink_attachskb+0x880/0x880 [ 531.925269][ T7405] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 531.931383][ T7405] ? __phys_addr_symbol+0x30/0x70 [ 531.936541][ T7405] ? __check_object_size+0x323/0x730 [ 531.942151][ T7405] netlink_sendmsg+0x93c/0xe40 [ 531.947229][ T7405] ? netlink_unicast+0x810/0x810 [ 531.952398][ T7405] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 531.957918][ T7405] ? netlink_unicast+0x810/0x810 [ 531.963279][ T7405] __sock_sendmsg+0xd5/0x180 [ 531.968190][ T7405] ____sys_sendmsg+0x6ac/0x940 [ 531.973786][ T7405] ? copy_msghdr_from_user+0x10b/0x160 [ 531.979463][ T7405] ? kernel_sendmsg+0x50/0x50 [ 531.984881][ T7405] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 531.991276][ T7405] ___sys_sendmsg+0x135/0x1d0 [ 531.996007][ T7405] ? do_recvmmsg+0x740/0x740 [ 532.001075][ T7405] ? find_held_lock+0x2d/0x110 [ 532.006334][ T7405] ? preempt_count_sub+0x150/0x150 [ 532.011612][ T7405] ? __fget_light+0x1fc/0x260 [ 532.016358][ T7405] __sys_sendmsg+0x117/0x1e0 [ 532.021004][ T7405] ? __sys_sendmsg_sock+0x30/0x30 [ 532.026272][ T7405] ? syscall_enter_from_user_mode+0x26/0x80 [ 532.032583][ T7405] do_syscall_64+0x3f/0x110 [ 532.037586][ T7405] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 532.043800][ T7405] RIP: 0033:0x7f2631248c19 [ 532.048526][ T7405] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 532.068538][ T7405] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 532.077343][ T7405] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 532.087775][ T7405] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 532.096119][ T7405] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 532.107093][ T7405] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 532.115886][ T7405] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 532.125174][ T7405] [ 532.130129][ T7405] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 532.167449][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 532.191466][ T4735] CPU: 1 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 532.201082][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 532.211604][ T4735] Call Trace: [ 532.214905][ T4735] [ 532.218030][ T4735] dump_stack_lvl+0x125/0x1b0 [ 532.222762][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 532.228020][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 532.233270][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 532.238884][ T4735] ? spin_bug+0x1d0/0x1d0 [ 532.243471][ T4735] ? net_namespace+0x12/0x40 [ 532.248178][ T4735] ? device_namespace+0x8d/0xc0 [ 532.253090][ T4735] kobject_add_internal+0x2c8/0x960 [ 532.259730][ T4735] kobject_add+0x16f/0x240 [ 532.264274][ T4735] ? kset_create_and_add+0x190/0x190 [ 532.270398][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 532.275652][ T4735] ? kobject_put+0xbe/0x440 [ 532.280375][ T4735] ? device_add+0xc35/0x1aa0 [ 532.285619][ T4735] device_add+0x289/0x1aa0 [ 532.290182][ T4735] ? device_initialize+0x510/0x510 [ 532.295540][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 532.302791][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 532.308209][ T4735] netdev_register_kobject+0x183/0x3f0 [ 532.313804][ T4735] register_netdevice+0xbdf/0x14a0 [ 532.318986][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 532.325110][ T4735] ? alloc_netdev_mqs+0xee6/0x1290 [ 532.330268][ T4735] bpq_device_event+0x39e/0xaf0 [ 532.335248][ T4735] ? team_device_event+0x219/0x750 [ 532.340579][ T4735] notifier_call_chain+0xb6/0x3b0 [ 532.345636][ T4735] ? bpq_seq_stop+0xb0/0xb0 [ 532.350262][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 532.356299][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 532.361361][ T4735] ? dev_change_name+0x800/0x800 [ 532.366507][ T4735] ? dev_set_allmulti+0x30/0x30 [ 532.371655][ T4735] dev_change_flags+0x122/0x170 [ 532.376893][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 532.381970][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 532.387241][ T4735] ? _copy_from_user+0x5d/0xf0 [ 532.392051][ T4735] inet_ioctl+0x3a6/0x3f0 [ 532.396404][ T4735] ? find_held_lock+0x2d/0x110 [ 532.401288][ T4735] ? ipip_gro_complete+0x140/0x140 [ 532.406517][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 532.412299][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 532.419385][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 532.424918][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 532.431313][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 532.436764][ T4735] sock_do_ioctl+0x113/0x270 [ 532.441516][ T4735] ? put_user_ifreq+0x140/0x140 [ 532.446601][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 532.451787][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 532.457145][ T4735] sock_ioctl+0x22e/0x6b0 [ 532.461781][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 532.466676][ T4735] ? __sys_socket+0xad/0x260 [ 532.471566][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 532.476650][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 532.481620][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 532.486822][ T4735] do_syscall_64+0x3f/0x110 [ 532.491922][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 532.498411][ T4735] RIP: 0033:0x7f6854c13d49 [ 532.503027][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 532.523724][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 532.532889][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 532.541242][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 532.549674][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 532.558473][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 532.566555][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 532.574745][ T4735] [ 532.581401][ T4735] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 532.601665][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 532.611665][ T4735] CPU: 1 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 532.621332][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 532.631596][ T4735] Call Trace: [ 532.634891][ T4735] [ 532.637846][ T4735] dump_stack_lvl+0x125/0x1b0 [ 532.643164][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 532.648246][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 532.653781][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 532.667049][ T4735] ? spin_bug+0x1d0/0x1d0 [ 532.671525][ T4735] ? net_namespace+0x12/0x40 [ 532.676143][ T4735] ? device_namespace+0x8d/0xc0 [ 532.681577][ T4735] kobject_add_internal+0x2c8/0x960 [ 532.687699][ T4735] kobject_add+0x16f/0x240 [ 532.692319][ T4735] ? kset_create_and_add+0x190/0x190 [ 532.697632][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 532.703048][ T4735] ? kobject_put+0xbe/0x440 [ 532.707757][ T4735] ? device_add+0xc35/0x1aa0 [ 532.712475][ T4735] device_add+0x289/0x1aa0 [ 532.716935][ T4735] ? device_initialize+0x510/0x510 [ 532.722253][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 532.729586][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 532.735342][ T4735] netdev_register_kobject+0x183/0x3f0 [ 532.740823][ T4735] register_netdevice+0xbdf/0x14a0 [ 532.746388][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 532.751770][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 532.757853][ T4735] ? lapbeth_setup+0x170/0x170 [ 532.762631][ T4735] lapbeth_device_event+0x5b8/0xd40 [ 532.767875][ T4735] notifier_call_chain+0xb6/0x3b0 [ 532.773034][ T4735] ? lapbeth_xmit+0x290/0x290 [ 532.777819][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 532.784012][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 532.789141][ T4735] ? dev_change_name+0x800/0x800 [ 532.794273][ T4735] ? dev_set_allmulti+0x30/0x30 [ 532.799144][ T4735] dev_change_flags+0x122/0x170 [ 532.804279][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 532.809158][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 532.814750][ T4735] ? _copy_from_user+0x5d/0xf0 [ 532.819724][ T4735] inet_ioctl+0x3a6/0x3f0 [ 532.824179][ T4735] ? find_held_lock+0x2d/0x110 [ 532.829258][ T4735] ? ipip_gro_complete+0x140/0x140 [ 532.834470][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 532.840378][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 532.846742][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 532.852439][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 532.858481][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 532.863958][ T4735] sock_do_ioctl+0x113/0x270 [ 532.868654][ T4735] ? put_user_ifreq+0x140/0x140 [ 532.873519][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 532.878386][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 532.883746][ T4735] sock_ioctl+0x22e/0x6b0 [ 532.888288][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 532.893010][ T4735] ? __sys_socket+0xad/0x260 [ 532.897714][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 532.902857][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 532.907458][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 532.912508][ T4735] do_syscall_64+0x3f/0x110 [ 532.917315][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 532.923492][ T4735] RIP: 0033:0x7f6854c13d49 [ 532.928174][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 532.949021][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 532.957745][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 532.965970][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 532.974042][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 532.982075][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 532.990238][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 532.998856][ T4735] [ 533.012241][ T4735] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 533.028270][ T4735] 8021q: adding VLAN 0 to HW filter on device team6 [ 533.087125][ T7405] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 533.096972][ T7405] CPU: 0 PID: 7405 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 533.107253][ T7405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 533.117513][ T7405] Call Trace: [ 533.121436][ T7405] [ 533.124418][ T7405] dump_stack_lvl+0x125/0x1b0 [ 533.129651][ T7405] sysfs_warn_dup+0x7f/0xa0 [ 533.134196][ T7405] sysfs_create_dir_ns+0x247/0x2a0 [ 533.139360][ T7405] ? sysfs_create_mount_point+0xb0/0xb0 [ 533.145058][ T7405] ? spin_bug+0x1d0/0x1d0 [ 533.149530][ T7405] ? net_namespace+0x12/0x40 [ 533.154345][ T7405] ? device_namespace+0x8d/0xc0 [ 533.159330][ T7405] kobject_add_internal+0x2c8/0x960 [ 533.164591][ T7405] kobject_add+0x16f/0x240 [ 533.169072][ T7405] ? kset_create_and_add+0x190/0x190 [ 533.175116][ T7405] ? do_raw_spin_unlock+0x173/0x230 [ 533.180373][ T7405] ? kobject_put+0xbe/0x440 [ 533.185007][ T7405] ? device_add+0xc35/0x1aa0 [ 533.189644][ T7405] device_add+0x289/0x1aa0 [ 533.194109][ T7405] ? device_initialize+0x510/0x510 [ 533.199293][ T7405] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 533.206806][ T7405] ? __init_waitqueue_head+0xca/0x150 [ 533.212412][ T7405] netdev_register_kobject+0x183/0x3f0 [ 533.217920][ T7405] register_netdevice+0xbdf/0x14a0 [ 533.223437][ T7405] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 533.229373][ T7405] ? validate_linkmsg+0x6fc/0x9c0 [ 533.234632][ T7405] ? rtnl_create_link+0xa6d/0xfd0 [ 533.240048][ T7405] ? batadv_get_sset_count+0x40/0x40 [ 533.245481][ T7405] batadv_softif_newlink+0x70/0x90 [ 533.250739][ T7405] __rtnl_newlink+0x1173/0x1930 [ 533.255649][ T7405] ? rtnl_link_unregister+0x260/0x260 [ 533.261496][ T7405] rtnl_newlink+0x67/0xa0 [ 533.266032][ T7405] ? __rtnl_newlink+0x1930/0x1930 [ 533.271327][ T7405] rtnetlink_rcv_msg+0x3c7/0xe00 [ 533.276480][ T7405] ? rtnl_getlink+0xb40/0xb40 [ 533.281445][ T7405] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 533.287935][ T7405] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 533.294090][ T7405] netlink_rcv_skb+0x16b/0x440 [ 533.302471][ T7405] ? rtnl_getlink+0xb40/0xb40 [ 533.307366][ T7405] ? netlink_ack+0x1370/0x1370 [ 533.312611][ T7405] ? lock_sync+0x190/0x190 [ 533.319419][ T7405] ? netlink_deliver_tap+0x1a0/0xd00 [ 533.325443][ T7405] ? _copy_from_iter+0x2c1/0x10f0 [ 533.330514][ T7405] netlink_unicast+0x53b/0x810 [ 533.335578][ T7405] ? netlink_attachskb+0x880/0x880 [ 533.340929][ T7405] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 533.347402][ T7405] ? __phys_addr_symbol+0x30/0x70 [ 533.352475][ T7405] ? __check_object_size+0x323/0x730 [ 533.357966][ T7405] netlink_sendmsg+0x93c/0xe40 [ 533.362793][ T7405] ? netlink_unicast+0x810/0x810 [ 533.367960][ T7405] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 533.373278][ T7405] ? netlink_unicast+0x810/0x810 [ 533.378256][ T7405] __sock_sendmsg+0xd5/0x180 [ 533.383052][ T7405] ____sys_sendmsg+0x6ac/0x940 [ 533.387948][ T7405] ? copy_msghdr_from_user+0x10b/0x160 [ 533.393547][ T7405] ? kernel_sendmsg+0x50/0x50 [ 533.398451][ T7405] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 533.404857][ T7405] ___sys_sendmsg+0x135/0x1d0 [ 533.409766][ T7405] ? do_recvmmsg+0x740/0x740 [ 533.414673][ T7405] ? find_held_lock+0x2d/0x110 [ 533.419854][ T7405] ? preempt_count_sub+0x150/0x150 [ 533.425058][ T7405] ? __fget_light+0x1fc/0x260 [ 533.429794][ T7405] __sys_sendmsg+0x117/0x1e0 [ 533.434534][ T7405] ? __sys_sendmsg_sock+0x30/0x30 [ 533.439616][ T7405] ? xfd_validate_state+0x5d/0x180 [ 533.444999][ T7405] ? syscall_enter_from_user_mode+0x26/0x80 [ 533.451035][ T7405] do_syscall_64+0x3f/0x110 [ 533.455676][ T7405] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 533.461829][ T7405] RIP: 0033:0x7f2631248c19 [ 533.466555][ T7405] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 533.486846][ T7405] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 533.495396][ T7405] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 533.503654][ T7405] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 533.511928][ T7405] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 533.520190][ T7405] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 533.528633][ T7405] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 533.537094][ T7405] [ 533.574841][ T7405] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 533.682996][ T7429] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 533.706483][ T7429] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 533.725166][ T7429] CPU: 0 PID: 7429 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 533.735467][ T7429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 533.745668][ T7429] Call Trace: [ 533.749232][ T7429] [ 533.752442][ T7429] dump_stack_lvl+0x125/0x1b0 [ 533.757435][ T7429] sysfs_warn_dup+0x7f/0xa0 [ 533.762279][ T7429] sysfs_create_dir_ns+0x247/0x2a0 [ 533.768410][ T7429] ? sysfs_create_mount_point+0xb0/0xb0 [ 533.774406][ T7429] ? spin_bug+0x1d0/0x1d0 [ 533.778781][ T7429] ? net_namespace+0x12/0x40 [ 533.783397][ T7429] ? device_namespace+0x8d/0xc0 [ 533.788390][ T7429] kobject_add_internal+0x2c8/0x960 [ 533.793649][ T7429] kobject_add+0x16f/0x240 [ 533.798327][ T7429] ? kset_create_and_add+0x190/0x190 [ 533.804189][ T7429] ? do_raw_spin_unlock+0x173/0x230 [ 533.809703][ T7429] ? kobject_put+0xbe/0x440 [ 533.814600][ T7429] ? device_add+0xc35/0x1aa0 [ 533.819230][ T7429] device_add+0x289/0x1aa0 [ 533.823687][ T7429] ? device_initialize+0x510/0x510 [ 533.828931][ T7429] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 533.836093][ T7429] ? __init_waitqueue_head+0xca/0x150 [ 533.841579][ T7429] netdev_register_kobject+0x183/0x3f0 [ 533.847144][ T7429] register_netdevice+0xbdf/0x14a0 [ 533.852293][ T7429] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 533.858235][ T7429] ? team_nl_cmd_noop+0x280/0x280 [ 533.863284][ T7429] team_newlink+0x92/0x160 [ 533.868069][ T7429] ? team_nl_cmd_noop+0x280/0x280 [ 533.873373][ T7429] ? rtnl_create_link+0xa6d/0xfd0 [ 533.878680][ T7429] __rtnl_newlink+0x1173/0x1930 [ 533.883655][ T7429] ? rtnl_link_unregister+0x260/0x260 [ 533.889324][ T7429] rtnl_newlink+0x67/0xa0 [ 533.893663][ T7429] ? __rtnl_newlink+0x1930/0x1930 [ 533.898695][ T7429] rtnetlink_rcv_msg+0x3c7/0xe00 [ 533.903733][ T7429] ? rtnl_getlink+0xb40/0xb40 [ 533.908416][ T7429] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 533.914414][ T7429] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 533.920515][ T7429] netlink_rcv_skb+0x16b/0x440 [ 533.925292][ T7429] ? rtnl_getlink+0xb40/0xb40 [ 533.929984][ T7429] ? netlink_ack+0x1370/0x1370 [ 533.934965][ T7429] ? lock_sync+0x190/0x190 [ 533.939680][ T7429] ? netlink_deliver_tap+0x1a0/0xd00 [ 533.945148][ T7429] ? _copy_from_iter+0x2c1/0x10f0 [ 533.950468][ T7429] netlink_unicast+0x53b/0x810 [ 533.955254][ T7429] ? netlink_attachskb+0x880/0x880 [ 533.960470][ T7429] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 533.966483][ T7429] ? __phys_addr_symbol+0x30/0x70 [ 533.972135][ T7429] ? __check_object_size+0x323/0x730 [ 533.977540][ T7429] netlink_sendmsg+0x93c/0xe40 [ 533.982411][ T7429] ? netlink_unicast+0x810/0x810 [ 533.987552][ T7429] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 533.992847][ T7429] ? netlink_unicast+0x810/0x810 [ 533.997802][ T7429] __sock_sendmsg+0xd5/0x180 [ 534.002494][ T7429] ____sys_sendmsg+0x6ac/0x940 [ 534.007385][ T7429] ? copy_msghdr_from_user+0x10b/0x160 [ 534.013213][ T7429] ? kernel_sendmsg+0x50/0x50 [ 534.018267][ T7429] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 534.024635][ T7429] ___sys_sendmsg+0x135/0x1d0 [ 534.029434][ T7429] ? do_recvmmsg+0x740/0x740 [ 534.034147][ T7429] ? find_held_lock+0x2d/0x110 [ 534.039197][ T7429] ? preempt_count_sub+0x150/0x150 [ 534.044507][ T7429] ? __fget_light+0x1fc/0x260 [ 534.049288][ T7429] __sys_sendmsg+0x117/0x1e0 [ 534.053985][ T7429] ? __sys_sendmsg_sock+0x30/0x30 [ 534.059567][ T7429] ? syscall_enter_from_user_mode+0x26/0x80 [ 534.065659][ T7429] do_syscall_64+0x3f/0x110 [ 534.070354][ T7429] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 534.077078][ T7429] RIP: 0033:0x7f2631248c19 [ 534.081708][ T7429] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 534.102876][ T7429] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 534.111401][ T7429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 534.119833][ T7429] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 534.128044][ T7429] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 534.136665][ T7429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 534.145167][ T7429] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 534.153482][ T7429] [ 534.175315][ T7429] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 534.203683][ T7429] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 534.213803][ T7429] CPU: 0 PID: 7429 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 534.225797][ T7429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 534.237282][ T7429] Call Trace: [ 534.240760][ T7429] [ 534.244107][ T7429] dump_stack_lvl+0x125/0x1b0 [ 534.249178][ T7429] sysfs_warn_dup+0x7f/0xa0 [ 534.253840][ T7429] sysfs_create_dir_ns+0x247/0x2a0 [ 534.259355][ T7429] ? sysfs_create_mount_point+0xb0/0xb0 [ 534.266375][ T7429] ? spin_bug+0x1d0/0x1d0 [ 534.270759][ T7429] ? net_namespace+0x12/0x40 [ 534.275749][ T7429] ? device_namespace+0x8d/0xc0 [ 534.280928][ T7429] kobject_add_internal+0x2c8/0x960 [ 534.287664][ T7429] kobject_add+0x16f/0x240 [ 534.293755][ T7429] ? kset_create_and_add+0x190/0x190 [ 534.300005][ T7429] ? do_raw_spin_unlock+0x173/0x230 [ 534.307908][ T7429] ? kobject_put+0xbe/0x440 [ 534.314879][ T7429] ? device_add+0xc35/0x1aa0 [ 534.321221][ T7429] device_add+0x289/0x1aa0 [ 534.327070][ T7429] ? device_initialize+0x510/0x510 [ 534.333807][ T7429] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 534.342480][ T7429] ? __init_waitqueue_head+0xca/0x150 [ 534.349750][ T7429] netdev_register_kobject+0x183/0x3f0 [ 534.356680][ T7429] register_netdevice+0xbdf/0x14a0 [ 534.362045][ T7429] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 534.369136][ T7429] ? validate_linkmsg+0x6fc/0x9c0 [ 534.375540][ T7429] ? rtnl_create_link+0xa6d/0xfd0 [ 534.381595][ T7429] ? batadv_get_sset_count+0x40/0x40 [ 534.387306][ T7429] batadv_softif_newlink+0x70/0x90 [ 534.392655][ T7429] __rtnl_newlink+0x1173/0x1930 [ 534.397857][ T7429] ? rtnl_link_unregister+0x260/0x260 [ 534.404114][ T7429] rtnl_newlink+0x67/0xa0 [ 534.408695][ T7429] ? __rtnl_newlink+0x1930/0x1930 [ 534.415972][ T7429] rtnetlink_rcv_msg+0x3c7/0xe00 [ 534.425142][ T7429] ? rtnl_getlink+0xb40/0xb40 [ 534.431189][ T7429] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 534.439086][ T7429] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 534.447541][ T7429] netlink_rcv_skb+0x16b/0x440 [ 534.456483][ T7429] ? rtnl_getlink+0xb40/0xb40 [ 534.463530][ T7429] ? netlink_ack+0x1370/0x1370 [ 534.470211][ T7429] ? lock_sync+0x190/0x190 [ 534.475313][ T7429] ? netlink_deliver_tap+0x1a0/0xd00 [ 534.481545][ T7429] ? _copy_from_iter+0x2c1/0x10f0 [ 534.486827][ T7429] netlink_unicast+0x53b/0x810 [ 534.492357][ T7429] ? netlink_attachskb+0x880/0x880 [ 534.500613][ T7429] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 534.507295][ T7429] ? __phys_addr_symbol+0x30/0x70 [ 534.513854][ T7429] ? __check_object_size+0x323/0x730 [ 534.520625][ T7429] netlink_sendmsg+0x93c/0xe40 [ 534.526379][ T7429] ? netlink_unicast+0x810/0x810 [ 534.532593][ T7429] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 534.538930][ T7429] ? netlink_unicast+0x810/0x810 [ 534.544427][ T7429] __sock_sendmsg+0xd5/0x180 [ 534.550420][ T7429] ____sys_sendmsg+0x6ac/0x940 [ 534.555676][ T7429] ? copy_msghdr_from_user+0x10b/0x160 [ 534.561449][ T7429] ? kernel_sendmsg+0x50/0x50 [ 534.566617][ T7429] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 534.572965][ T7429] ___sys_sendmsg+0x135/0x1d0 [ 534.577968][ T7429] ? do_recvmmsg+0x740/0x740 [ 534.582946][ T7429] ? find_held_lock+0x2d/0x110 [ 534.588038][ T7429] ? preempt_count_sub+0x150/0x150 [ 534.594084][ T7429] ? __fget_light+0x1fc/0x260 [ 534.598818][ T7429] __sys_sendmsg+0x117/0x1e0 [ 534.603718][ T7429] ? __sys_sendmsg_sock+0x30/0x30 [ 534.609062][ T7429] ? syscall_enter_from_user_mode+0x26/0x80 [ 534.615242][ T7429] do_syscall_64+0x3f/0x110 [ 534.619799][ T7429] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 534.625795][ T7429] RIP: 0033:0x7f2631248c19 [ 534.630426][ T7429] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 534.650576][ T7429] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 534.659579][ T7429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 534.667682][ T7429] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 534.676212][ T7429] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 534.684328][ T7429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 534.692946][ T7429] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 534.701417][ T7429] [ 534.716729][ T7429] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 534.760040][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 534.769804][ T4735] CPU: 0 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 534.779495][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 534.789949][ T4735] Call Trace: [ 534.793521][ T4735] [ 534.796739][ T4735] dump_stack_lvl+0x125/0x1b0 [ 534.801741][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 534.806476][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 534.812345][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 534.818390][ T4735] ? spin_bug+0x1d0/0x1d0 [ 534.822881][ T4735] ? net_namespace+0x12/0x40 [ 534.827688][ T4735] ? device_namespace+0x8d/0xc0 [ 534.832633][ T4735] kobject_add_internal+0x2c8/0x960 [ 534.837943][ T4735] kobject_add+0x16f/0x240 [ 534.842762][ T4735] ? kset_create_and_add+0x190/0x190 [ 534.849354][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 534.855128][ T4735] ? kobject_put+0xbe/0x440 [ 534.860633][ T4735] ? device_add+0xc35/0x1aa0 [ 534.865362][ T4735] device_add+0x289/0x1aa0 [ 534.869901][ T4735] ? device_initialize+0x510/0x510 [ 534.875500][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 534.883016][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 534.888538][ T4735] netdev_register_kobject+0x183/0x3f0 [ 534.894841][ T4735] register_netdevice+0xbdf/0x14a0 [ 534.900114][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 534.906145][ T4735] ? alloc_netdev_mqs+0xee6/0x1290 [ 534.911400][ T4735] bpq_device_event+0x39e/0xaf0 [ 534.916299][ T4735] ? team_device_event+0x219/0x750 [ 534.921650][ T4735] notifier_call_chain+0xb6/0x3b0 [ 534.926811][ T4735] ? bpq_seq_stop+0xb0/0xb0 [ 534.931467][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 534.938212][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 534.943537][ T4735] ? dev_change_name+0x800/0x800 [ 534.948787][ T4735] ? dev_set_allmulti+0x30/0x30 [ 534.954010][ T4735] dev_change_flags+0x122/0x170 [ 534.959188][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 534.964045][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 534.970014][ T4735] ? _copy_from_user+0x5d/0xf0 [ 534.975182][ T4735] inet_ioctl+0x3a6/0x3f0 [ 534.980265][ T4735] ? find_held_lock+0x2d/0x110 [ 534.985258][ T4735] ? ipip_gro_complete+0x140/0x140 [ 534.990672][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 534.996882][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 535.003016][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 535.008196][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 535.014299][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 535.019703][ T4735] sock_do_ioctl+0x113/0x270 [ 535.024438][ T4735] ? put_user_ifreq+0x140/0x140 [ 535.030201][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 535.035621][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 535.040877][ T4735] sock_ioctl+0x22e/0x6b0 [ 535.045332][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 535.050065][ T4735] ? __sys_socket+0xad/0x260 [ 535.054899][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 535.060133][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 535.064806][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 535.069623][ T4735] do_syscall_64+0x3f/0x110 [ 535.074340][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 535.080348][ T4735] RIP: 0033:0x7f6854c13d49 [ 535.084787][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 535.105987][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 535.114789][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 535.122974][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 535.132299][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 535.140475][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 535.149013][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 535.157117][ T4735] [ 535.172775][ T4735] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 535.188882][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 535.198847][ T4735] CPU: 0 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 535.210600][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 535.221125][ T4735] Call Trace: [ 535.224528][ T4735] [ 535.227493][ T4735] dump_stack_lvl+0x125/0x1b0 [ 535.232387][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 535.237283][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 535.242556][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 535.248426][ T4735] ? spin_bug+0x1d0/0x1d0 [ 535.253169][ T4735] ? net_namespace+0x12/0x40 [ 535.258158][ T4735] ? device_namespace+0x8d/0xc0 [ 535.263944][ T4735] kobject_add_internal+0x2c8/0x960 [ 535.269872][ T4735] kobject_add+0x16f/0x240 [ 535.274451][ T4735] ? kset_create_and_add+0x190/0x190 [ 535.279969][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 535.285386][ T4735] ? kobject_put+0xbe/0x440 [ 535.291091][ T4735] ? device_add+0xc35/0x1aa0 [ 535.295816][ T4735] device_add+0x289/0x1aa0 [ 535.300318][ T4735] ? device_initialize+0x510/0x510 [ 535.305490][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 535.312571][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 535.318638][ T4735] netdev_register_kobject+0x183/0x3f0 [ 535.324268][ T4735] register_netdevice+0xbdf/0x14a0 [ 535.330831][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 535.336258][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 535.342387][ T4735] ? lapbeth_setup+0x170/0x170 [ 535.347389][ T4735] lapbeth_device_event+0x5b8/0xd40 [ 535.353079][ T4735] notifier_call_chain+0xb6/0x3b0 [ 535.358502][ T4735] ? lapbeth_xmit+0x290/0x290 [ 535.363409][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 535.369454][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 535.374606][ T4735] ? dev_change_name+0x800/0x800 [ 535.379841][ T4735] ? dev_set_allmulti+0x30/0x30 [ 535.384740][ T4735] dev_change_flags+0x122/0x170 [ 535.389985][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 535.394815][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 535.399954][ T4735] ? _copy_from_user+0x5d/0xf0 [ 535.405023][ T4735] inet_ioctl+0x3a6/0x3f0 [ 535.409478][ T4735] ? find_held_lock+0x2d/0x110 [ 535.414466][ T4735] ? ipip_gro_complete+0x140/0x140 [ 535.419706][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 535.425465][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 535.431235][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 535.436331][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 535.442348][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 535.448100][ T4735] sock_do_ioctl+0x113/0x270 [ 535.452723][ T4735] ? put_user_ifreq+0x140/0x140 [ 535.457610][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 535.467383][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 535.472642][ T4735] sock_ioctl+0x22e/0x6b0 [ 535.477116][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 535.481743][ T4735] ? __sys_socket+0xad/0x260 [ 535.486454][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 535.491430][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 535.496466][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 535.501443][ T4735] do_syscall_64+0x3f/0x110 [ 535.505986][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 535.512009][ T4735] RIP: 0033:0x7f6854c13d49 [ 535.516477][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 535.536218][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 535.544924][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 535.553009][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 535.561115][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 535.570191][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 535.579077][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 535.587714][ T4735] [ 535.595115][ T4735] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 535.617305][ T4735] 8021q: adding VLAN 0 to HW filter on device team7 [ 535.625260][ T7433] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 535.640263][ T7433] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 535.654446][ T7433] CPU: 1 PID: 7433 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 535.665371][ T7433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 535.675649][ T7433] Call Trace: [ 535.679164][ T7433] [ 535.682125][ T7433] dump_stack_lvl+0x125/0x1b0 [ 535.686952][ T7433] sysfs_warn_dup+0x7f/0xa0 [ 535.691863][ T7433] sysfs_create_dir_ns+0x247/0x2a0 [ 535.697378][ T7433] ? sysfs_create_mount_point+0xb0/0xb0 [ 535.703049][ T7433] ? spin_bug+0x1d0/0x1d0 [ 535.707835][ T7433] ? net_namespace+0x12/0x40 [ 535.712540][ T7433] ? device_namespace+0x8d/0xc0 [ 535.717613][ T7433] kobject_add_internal+0x2c8/0x960 [ 535.722967][ T7433] kobject_add+0x16f/0x240 [ 535.727662][ T7433] ? kset_create_and_add+0x190/0x190 [ 535.733066][ T7433] ? do_raw_spin_unlock+0x173/0x230 [ 535.738720][ T7433] ? kobject_put+0xbe/0x440 [ 535.743509][ T7433] ? device_add+0xc35/0x1aa0 [ 535.748464][ T7433] device_add+0x289/0x1aa0 [ 535.753152][ T7433] ? device_initialize+0x510/0x510 [ 535.758455][ T7433] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 535.765361][ T7433] ? __init_waitqueue_head+0xca/0x150 [ 535.771012][ T7433] netdev_register_kobject+0x183/0x3f0 [ 535.776693][ T7433] register_netdevice+0xbdf/0x14a0 [ 535.782539][ T7433] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 535.788832][ T7433] ? team_nl_cmd_noop+0x280/0x280 [ 535.794534][ T7433] team_newlink+0x92/0x160 [ 535.799049][ T7433] ? team_nl_cmd_noop+0x280/0x280 [ 535.804102][ T7433] ? rtnl_create_link+0xa6d/0xfd0 [ 535.809496][ T7433] __rtnl_newlink+0x1173/0x1930 [ 535.814371][ T7433] ? rtnl_link_unregister+0x260/0x260 [ 535.820056][ T7433] rtnl_newlink+0x67/0xa0 [ 535.824585][ T7433] ? __rtnl_newlink+0x1930/0x1930 [ 535.829715][ T7433] rtnetlink_rcv_msg+0x3c7/0xe00 [ 535.834767][ T7433] ? rtnl_getlink+0xb40/0xb40 [ 535.839542][ T7433] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 535.845626][ T7433] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 535.851657][ T7433] netlink_rcv_skb+0x16b/0x440 [ 535.856659][ T7433] ? rtnl_getlink+0xb40/0xb40 [ 535.861437][ T7433] ? netlink_ack+0x1370/0x1370 [ 535.866389][ T7433] ? lock_sync+0x190/0x190 [ 535.870864][ T7433] ? netlink_deliver_tap+0x1a0/0xd00 [ 535.876332][ T7433] ? _copy_from_iter+0x2c1/0x10f0 [ 535.881463][ T7433] netlink_unicast+0x53b/0x810 [ 535.887719][ T7433] ? netlink_attachskb+0x880/0x880 [ 535.893010][ T7433] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 535.899002][ T7433] ? __phys_addr_symbol+0x30/0x70 [ 535.904126][ T7433] ? __check_object_size+0x323/0x730 [ 535.909606][ T7433] netlink_sendmsg+0x93c/0xe40 [ 535.914473][ T7433] ? netlink_unicast+0x810/0x810 [ 535.919713][ T7433] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 535.925005][ T7433] ? netlink_unicast+0x810/0x810 [ 535.930394][ T7433] __sock_sendmsg+0xd5/0x180 [ 535.935077][ T7433] ____sys_sendmsg+0x6ac/0x940 [ 535.939986][ T7433] ? copy_msghdr_from_user+0x10b/0x160 [ 535.945717][ T7433] ? kernel_sendmsg+0x50/0x50 [ 535.951706][ T7433] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 535.957739][ T7433] ___sys_sendmsg+0x135/0x1d0 [ 535.962709][ T7433] ? do_recvmmsg+0x740/0x740 [ 535.967480][ T7433] ? find_held_lock+0x2d/0x110 [ 535.972281][ T7433] ? preempt_count_sub+0x150/0x150 [ 535.977512][ T7433] ? __fget_light+0x1fc/0x260 [ 535.982232][ T7433] __sys_sendmsg+0x117/0x1e0 [ 535.987277][ T7433] ? __sys_sendmsg_sock+0x30/0x30 [ 535.992340][ T7433] ? syscall_enter_from_user_mode+0x26/0x80 [ 535.998349][ T7433] do_syscall_64+0x3f/0x110 [ 536.002910][ T7433] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 536.008922][ T7433] RIP: 0033:0x7f2631248c19 [ 536.013779][ T7433] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 536.034440][ T7433] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 536.042968][ T7433] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 536.050945][ T7433] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 536.058923][ T7433] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 536.067244][ T7433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 536.075400][ T7433] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 536.083742][ T7433] [ 536.220719][ T7433] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 536.271011][ T7433] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 536.287894][ T7433] CPU: 0 PID: 7433 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 536.299174][ T7433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 536.310563][ T7433] Call Trace: [ 536.314205][ T7433] [ 536.317249][ T7433] dump_stack_lvl+0x125/0x1b0 [ 536.322233][ T7433] sysfs_warn_dup+0x7f/0xa0 [ 536.326884][ T7433] sysfs_create_dir_ns+0x247/0x2a0 [ 536.332239][ T7433] ? sysfs_create_mount_point+0xb0/0xb0 [ 536.338015][ T7433] ? spin_bug+0x1d0/0x1d0 [ 536.342374][ T7433] ? net_namespace+0x12/0x40 [ 536.347057][ T7433] ? device_namespace+0x8d/0xc0 [ 536.352057][ T7433] kobject_add_internal+0x2c8/0x960 [ 536.357536][ T7433] kobject_add+0x16f/0x240 [ 536.361967][ T7433] ? kset_create_and_add+0x190/0x190 [ 536.367269][ T7433] ? do_raw_spin_unlock+0x173/0x230 [ 536.372751][ T7433] ? kobject_put+0xbe/0x440 [ 536.377619][ T7433] ? device_add+0xc35/0x1aa0 [ 536.382941][ T7433] device_add+0x289/0x1aa0 [ 536.388719][ T7433] ? device_initialize+0x510/0x510 [ 536.394335][ T7433] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 536.402372][ T7433] ? __init_waitqueue_head+0xca/0x150 [ 536.409450][ T7433] netdev_register_kobject+0x183/0x3f0 [ 536.415577][ T7433] register_netdevice+0xbdf/0x14a0 [ 536.422024][ T7433] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 536.429272][ T7433] ? validate_linkmsg+0x6fc/0x9c0 [ 536.435631][ T7433] ? rtnl_create_link+0xa6d/0xfd0 [ 536.441777][ T7433] ? batadv_get_sset_count+0x40/0x40 [ 536.448493][ T7433] batadv_softif_newlink+0x70/0x90 [ 536.453769][ T7433] __rtnl_newlink+0x1173/0x1930 [ 536.458940][ T7433] ? rtnl_link_unregister+0x260/0x260 [ 536.464878][ T7433] rtnl_newlink+0x67/0xa0 [ 536.469554][ T7433] ? __rtnl_newlink+0x1930/0x1930 [ 536.476107][ T7433] rtnetlink_rcv_msg+0x3c7/0xe00 [ 536.481512][ T7433] ? rtnl_getlink+0xb40/0xb40 [ 536.486922][ T7433] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 536.494071][ T7433] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 536.501004][ T7433] netlink_rcv_skb+0x16b/0x440 [ 536.506062][ T7433] ? rtnl_getlink+0xb40/0xb40 [ 536.511114][ T7433] ? netlink_ack+0x1370/0x1370 [ 536.516134][ T7433] ? lock_sync+0x190/0x190 [ 536.520790][ T7433] ? netlink_deliver_tap+0x1a0/0xd00 [ 536.526627][ T7433] ? _copy_from_iter+0x2c1/0x10f0 [ 536.531766][ T7433] netlink_unicast+0x53b/0x810 [ 536.536946][ T7433] ? netlink_attachskb+0x880/0x880 [ 536.542211][ T7433] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 536.548142][ T7433] ? __phys_addr_symbol+0x30/0x70 [ 536.553381][ T7433] ? __check_object_size+0x323/0x730 [ 536.558716][ T7433] netlink_sendmsg+0x93c/0xe40 [ 536.563622][ T7433] ? netlink_unicast+0x810/0x810 [ 536.568775][ T7433] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 536.574112][ T7433] ? netlink_unicast+0x810/0x810 [ 536.579266][ T7433] __sock_sendmsg+0xd5/0x180 [ 536.585036][ T7433] ____sys_sendmsg+0x6ac/0x940 [ 536.591020][ T7433] ? copy_msghdr_from_user+0x10b/0x160 [ 536.596622][ T7433] ? kernel_sendmsg+0x50/0x50 [ 536.601693][ T7433] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 536.608466][ T7433] ___sys_sendmsg+0x135/0x1d0 [ 536.613456][ T7433] ? do_recvmmsg+0x740/0x740 [ 536.618330][ T7433] ? find_held_lock+0x2d/0x110 [ 536.623418][ T7433] ? preempt_count_sub+0x150/0x150 [ 536.630065][ T7433] ? __fget_light+0x1fc/0x260 [ 536.635481][ T7433] __sys_sendmsg+0x117/0x1e0 [ 536.641447][ T7433] ? __sys_sendmsg_sock+0x30/0x30 [ 536.646958][ T7433] ? syscall_enter_from_user_mode+0x26/0x80 [ 536.653775][ T7433] do_syscall_64+0x3f/0x110 [ 536.659201][ T7433] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 536.665760][ T7433] RIP: 0033:0x7f2631248c19 [ 536.670385][ T7433] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 536.692022][ T7433] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 536.700893][ T7433] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 536.708955][ T7433] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 536.717638][ T7433] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 536.725802][ T7433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 536.734312][ T7433] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 536.742652][ T7433] [ 536.786599][ T7433] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 536.866493][ T7444] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 536.886187][ T7444] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 536.905871][ T7444] CPU: 0 PID: 7444 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 536.916439][ T7444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 536.927244][ T7444] Call Trace: [ 536.930632][ T7444] [ 536.933587][ T7444] dump_stack_lvl+0x125/0x1b0 [ 536.938305][ T7444] sysfs_warn_dup+0x7f/0xa0 [ 536.942940][ T7444] sysfs_create_dir_ns+0x247/0x2a0 [ 536.948189][ T7444] ? sysfs_create_mount_point+0xb0/0xb0 [ 536.953878][ T7444] ? spin_bug+0x1d0/0x1d0 [ 536.958350][ T7444] ? net_namespace+0x12/0x40 [ 536.963123][ T7444] ? device_namespace+0x8d/0xc0 [ 536.968365][ T7444] kobject_add_internal+0x2c8/0x960 [ 536.973698][ T7444] kobject_add+0x16f/0x240 [ 536.978251][ T7444] ? kset_create_and_add+0x190/0x190 [ 536.983925][ T7444] ? do_raw_spin_unlock+0x173/0x230 [ 536.989340][ T7444] ? kobject_put+0xbe/0x440 [ 536.994614][ T7444] ? device_add+0xc35/0x1aa0 [ 536.999683][ T7444] device_add+0x289/0x1aa0 [ 537.004220][ T7444] ? device_initialize+0x510/0x510 [ 537.009564][ T7444] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 537.017342][ T7444] ? __init_waitqueue_head+0xca/0x150 [ 537.023737][ T7444] netdev_register_kobject+0x183/0x3f0 [ 537.029528][ T7444] register_netdevice+0xbdf/0x14a0 [ 537.035067][ T7444] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 537.041028][ T7444] ? team_nl_cmd_noop+0x280/0x280 [ 537.046175][ T7444] team_newlink+0x92/0x160 [ 537.050723][ T7444] ? team_nl_cmd_noop+0x280/0x280 [ 537.056074][ T7444] ? rtnl_create_link+0xa6d/0xfd0 [ 537.061329][ T7444] __rtnl_newlink+0x1173/0x1930 [ 537.066840][ T7444] ? rtnl_link_unregister+0x260/0x260 [ 537.072557][ T7444] rtnl_newlink+0x67/0xa0 [ 537.077795][ T7444] ? __rtnl_newlink+0x1930/0x1930 [ 537.083104][ T7444] rtnetlink_rcv_msg+0x3c7/0xe00 [ 537.088367][ T7444] ? rtnl_getlink+0xb40/0xb40 [ 537.093095][ T7444] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 537.099393][ T7444] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 537.105940][ T7444] netlink_rcv_skb+0x16b/0x440 [ 537.110762][ T7444] ? rtnl_getlink+0xb40/0xb40 [ 537.115657][ T7444] ? netlink_ack+0x1370/0x1370 [ 537.120483][ T7444] ? lock_sync+0x190/0x190 [ 537.125228][ T7444] ? netlink_deliver_tap+0x1a0/0xd00 [ 537.131116][ T7444] ? _copy_from_iter+0x2c1/0x10f0 [ 537.136737][ T7444] netlink_unicast+0x53b/0x810 [ 537.141741][ T7444] ? netlink_attachskb+0x880/0x880 [ 537.146977][ T7444] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 537.153093][ T7444] ? __phys_addr_symbol+0x30/0x70 [ 537.158272][ T7444] ? __check_object_size+0x323/0x730 [ 537.163614][ T7444] netlink_sendmsg+0x93c/0xe40 [ 537.168449][ T7444] ? netlink_unicast+0x810/0x810 [ 537.173523][ T7444] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 537.179023][ T7444] ? netlink_unicast+0x810/0x810 [ 537.184615][ T7444] __sock_sendmsg+0xd5/0x180 [ 537.189333][ T7444] ____sys_sendmsg+0x6ac/0x940 [ 537.194485][ T7444] ? copy_msghdr_from_user+0x10b/0x160 [ 537.200176][ T7444] ? kernel_sendmsg+0x50/0x50 [ 537.205089][ T7444] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 537.212085][ T7444] ___sys_sendmsg+0x135/0x1d0 [ 537.217080][ T7444] ? do_recvmmsg+0x740/0x740 [ 537.221789][ T7444] ? find_held_lock+0x2d/0x110 [ 537.226609][ T7444] ? preempt_count_sub+0x150/0x150 [ 537.231860][ T7444] ? __fget_light+0x1fc/0x260 [ 537.236762][ T7444] __sys_sendmsg+0x117/0x1e0 [ 537.241394][ T7444] ? __sys_sendmsg_sock+0x30/0x30 [ 537.246483][ T7444] ? syscall_enter_from_user_mode+0x26/0x80 [ 537.252592][ T7444] do_syscall_64+0x3f/0x110 [ 537.258446][ T7444] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 537.264653][ T7444] RIP: 0033:0x7f2631248c19 [ 537.269183][ T7444] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 537.289438][ T7444] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 537.297977][ T7444] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 537.306258][ T7444] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 537.314536][ T7444] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 537.322886][ T7444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 537.330974][ T7444] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 537.339187][ T7444] [ 537.346103][ T7444] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 537.373030][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000' [ 537.390574][ T4735] CPU: 1 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 537.400024][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 537.410377][ T4735] Call Trace: [ 537.414215][ T4735] [ 537.417225][ T4735] dump_stack_lvl+0x125/0x1b0 [ 537.422325][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 537.427291][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 537.433028][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 537.439253][ T4735] ? spin_bug+0x1d0/0x1d0 [ 537.443738][ T4735] ? net_namespace+0x12/0x40 [ 537.448918][ T4735] ? device_namespace+0x8d/0xc0 [ 537.454058][ T4735] kobject_add_internal+0x2c8/0x960 [ 537.459457][ T4735] kobject_add+0x16f/0x240 [ 537.464163][ T4735] ? kset_create_and_add+0x190/0x190 [ 537.470002][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 537.475224][ T4735] ? kobject_put+0xbe/0x440 [ 537.479833][ T4735] ? device_add+0xc35/0x1aa0 [ 537.484723][ T4735] device_add+0x289/0x1aa0 [ 537.489505][ T4735] ? device_initialize+0x510/0x510 [ 537.494737][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 537.501965][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 537.507532][ T4735] netdev_register_kobject+0x183/0x3f0 [ 537.513188][ T4735] register_netdevice+0xbdf/0x14a0 [ 537.518493][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 537.524921][ T4735] ? alloc_netdev_mqs+0xee6/0x1290 [ 537.530136][ T4735] bpq_device_event+0x39e/0xaf0 [ 537.535012][ T4735] ? team_device_event+0x219/0x750 [ 537.540262][ T4735] notifier_call_chain+0xb6/0x3b0 [ 537.545331][ T4735] ? bpq_seq_stop+0xb0/0xb0 [ 537.549847][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 537.556136][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 537.561270][ T4735] ? dev_change_name+0x800/0x800 [ 537.567085][ T4735] ? dev_set_allmulti+0x30/0x30 [ 537.571954][ T4735] dev_change_flags+0x122/0x170 [ 537.576992][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 537.582231][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 537.587919][ T4735] ? _copy_from_user+0x5d/0xf0 [ 537.592967][ T4735] inet_ioctl+0x3a6/0x3f0 [ 537.597662][ T4735] ? find_held_lock+0x2d/0x110 [ 537.602665][ T4735] ? ipip_gro_complete+0x140/0x140 [ 537.608046][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 537.613695][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 537.619338][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 537.624903][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 537.630844][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 537.636154][ T4735] sock_do_ioctl+0x113/0x270 [ 537.641282][ T4735] ? put_user_ifreq+0x140/0x140 [ 537.646401][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 537.651183][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 537.656523][ T4735] sock_ioctl+0x22e/0x6b0 [ 537.660870][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 537.665731][ T4735] ? __sys_socket+0xad/0x260 [ 537.670511][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 537.675477][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 537.680422][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 537.685287][ T4735] do_syscall_64+0x3f/0x110 [ 537.689992][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 537.696415][ T4735] RIP: 0033:0x7f6854c13d49 [ 537.701273][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 537.721607][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 537.730393][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 537.738457][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 537.746518][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 537.754667][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 537.763510][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 537.771704][ T4735] [ 537.793508][ T4735] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 537.810814][ T4735] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000' [ 537.820727][ T4735] CPU: 1 PID: 4735 Comm: dhcpcd Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 537.830224][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 537.840479][ T4735] Call Trace: [ 537.844211][ T4735] [ 537.847168][ T4735] dump_stack_lvl+0x125/0x1b0 [ 537.852055][ T4735] sysfs_warn_dup+0x7f/0xa0 [ 537.856617][ T4735] sysfs_create_dir_ns+0x247/0x2a0 [ 537.861946][ T4735] ? sysfs_create_mount_point+0xb0/0xb0 [ 537.867616][ T4735] ? spin_bug+0x1d0/0x1d0 [ 537.872341][ T4735] ? net_namespace+0x12/0x40 [ 537.877685][ T4735] ? device_namespace+0x8d/0xc0 [ 537.882571][ T4735] kobject_add_internal+0x2c8/0x960 [ 537.887932][ T4735] kobject_add+0x16f/0x240 [ 537.892381][ T4735] ? kset_create_and_add+0x190/0x190 [ 537.897823][ T4735] ? do_raw_spin_unlock+0x173/0x230 [ 537.903229][ T4735] ? kobject_put+0xbe/0x440 [ 537.907849][ T4735] ? device_add+0xc35/0x1aa0 [ 537.912556][ T4735] device_add+0x289/0x1aa0 [ 537.917088][ T4735] ? device_initialize+0x510/0x510 [ 537.922318][ T4735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 537.929207][ T4735] ? __init_waitqueue_head+0xca/0x150 [ 537.934706][ T4735] netdev_register_kobject+0x183/0x3f0 [ 537.940204][ T4735] register_netdevice+0xbdf/0x14a0 [ 537.945352][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 537.950752][ T4735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 537.956704][ T4735] ? lapbeth_setup+0x170/0x170 [ 537.962160][ T4735] lapbeth_device_event+0x5b8/0xd40 [ 537.967506][ T4735] notifier_call_chain+0xb6/0x3b0 [ 537.972940][ T4735] ? lapbeth_xmit+0x290/0x290 [ 537.977752][ T4735] call_netdevice_notifiers_info+0xbe/0x130 [ 537.983786][ T4735] __dev_notify_flags+0x12d/0x2e0 [ 537.988939][ T4735] ? dev_change_name+0x800/0x800 [ 537.994086][ T4735] ? dev_set_allmulti+0x30/0x30 [ 537.999498][ T4735] dev_change_flags+0x122/0x170 [ 538.004560][ T4735] devinet_ioctl+0x13ef/0x1f00 [ 538.009623][ T4735] ? inet_ifa_byprefix+0x2d0/0x2d0 [ 538.015197][ T4735] ? _copy_from_user+0x5d/0xf0 [ 538.020079][ T4735] inet_ioctl+0x3a6/0x3f0 [ 538.024693][ T4735] ? find_held_lock+0x2d/0x110 [ 538.029747][ T4735] ? ipip_gro_complete+0x140/0x140 [ 538.034974][ T4735] ? tomoyo_path_number_perm+0x28e/0x580 [ 538.040640][ T4735] ? tomoyo_path_number_perm+0x463/0x580 [ 538.046390][ T4735] ? __kmem_cache_free+0xc0/0x180 [ 538.051483][ T4735] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 538.057324][ T4735] ? lockdep_hardirqs_on+0x7d/0x100 [ 538.062644][ T4735] sock_do_ioctl+0x113/0x270 [ 538.067276][ T4735] ? put_user_ifreq+0x140/0x140 [ 538.072315][ T4735] ? do_vfs_ioctl+0x379/0x1920 [ 538.077280][ T4735] ? vfs_fileattr_set+0xbf0/0xbf0 [ 538.082447][ T4735] sock_ioctl+0x22e/0x6b0 [ 538.086803][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 538.091705][ T4735] ? __sys_socket+0xad/0x260 [ 538.096409][ T4735] ? bpf_lsm_file_ioctl+0x9/0x10 [ 538.101451][ T4735] ? br_ioctl_call+0xb0/0xb0 [ 538.106137][ T4735] __x64_sys_ioctl+0x18f/0x210 [ 538.111003][ T4735] do_syscall_64+0x3f/0x110 [ 538.115869][ T4735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 538.121957][ T4735] RIP: 0033:0x7f6854c13d49 [ 538.126378][ T4735] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 538.146602][ T4735] RSP: 002b:00007fff41617468 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 538.155077][ T4735] RAX: ffffffffffffffda RBX: 00007f6854b456c0 RCX: 00007f6854c13d49 [ 538.163752][ T4735] RDX: 00007fff41627658 RSI: 0000000000008914 RDI: 000000000000000c [ 538.172066][ T4735] RBP: 00007fff41637818 R08: 00007fff41627618 R09: 00007fff416275c8 [ 538.180233][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 538.188588][ T4735] R13: 00007fff41627658 R14: 0000000000000028 R15: 0000000000008914 [ 538.196963][ T4735] [ 538.212431][ T4735] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 538.228720][ T4735] 8021q: adding VLAN 0 to HW filter on device team8 [ 538.240003][ T7444] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 538.249833][ T7444] CPU: 0 PID: 7444 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 538.260399][ T7444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 538.270923][ T7444] Call Trace: [ 538.274294][ T7444] [ 538.277241][ T7444] dump_stack_lvl+0x125/0x1b0 [ 538.282052][ T7444] sysfs_warn_dup+0x7f/0xa0 [ 538.286993][ T7444] sysfs_create_dir_ns+0x247/0x2a0 [ 538.292323][ T7444] ? sysfs_create_mount_point+0xb0/0xb0 [ 538.298171][ T7444] ? spin_bug+0x1d0/0x1d0 [ 538.302717][ T7444] ? net_namespace+0x12/0x40 [ 538.307340][ T7444] ? device_namespace+0x8d/0xc0 [ 538.312525][ T7444] kobject_add_internal+0x2c8/0x960 [ 538.317961][ T7444] kobject_add+0x16f/0x240 [ 538.322824][ T7444] ? kset_create_and_add+0x190/0x190 [ 538.328329][ T7444] ? do_raw_spin_unlock+0x173/0x230 [ 538.333840][ T7444] ? kobject_put+0xbe/0x440 [ 538.338407][ T7444] ? device_add+0xc35/0x1aa0 [ 538.344183][ T7444] device_add+0x289/0x1aa0 [ 538.349069][ T7444] ? device_initialize+0x510/0x510 [ 538.354227][ T7444] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 538.361284][ T7444] ? __init_waitqueue_head+0xca/0x150 [ 538.367044][ T7444] netdev_register_kobject+0x183/0x3f0 [ 538.372957][ T7444] register_netdevice+0xbdf/0x14a0 [ 538.378083][ T7444] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 538.384070][ T7444] ? validate_linkmsg+0x6fc/0x9c0 [ 538.389119][ T7444] ? rtnl_create_link+0xa6d/0xfd0 [ 538.394254][ T7444] ? batadv_get_sset_count+0x40/0x40 [ 538.400108][ T7444] batadv_softif_newlink+0x70/0x90 [ 538.405416][ T7444] __rtnl_newlink+0x1173/0x1930 [ 538.410464][ T7444] ? rtnl_link_unregister+0x260/0x260 [ 538.415965][ T7444] rtnl_newlink+0x67/0xa0 [ 538.420660][ T7444] ? __rtnl_newlink+0x1930/0x1930 [ 538.425781][ T7444] rtnetlink_rcv_msg+0x3c7/0xe00 [ 538.430991][ T7444] ? rtnl_getlink+0xb40/0xb40 [ 538.436053][ T7444] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 538.442359][ T7444] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 538.448869][ T7444] netlink_rcv_skb+0x16b/0x440 [ 538.453917][ T7444] ? rtnl_getlink+0xb40/0xb40 [ 538.459560][ T7444] ? netlink_ack+0x1370/0x1370 [ 538.464594][ T7444] ? lock_sync+0x190/0x190 [ 538.469396][ T7444] ? netlink_deliver_tap+0x1a0/0xd00 [ 538.474963][ T7444] ? _copy_from_iter+0x2c1/0x10f0 [ 538.480103][ T7444] netlink_unicast+0x53b/0x810 [ 538.485084][ T7444] ? netlink_attachskb+0x880/0x880 [ 538.490468][ T7444] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 538.497157][ T7444] ? __phys_addr_symbol+0x30/0x70 [ 538.502286][ T7444] ? __check_object_size+0x323/0x730 [ 538.507597][ T7444] netlink_sendmsg+0x93c/0xe40 [ 538.512404][ T7444] ? netlink_unicast+0x810/0x810 [ 538.517618][ T7444] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 538.523114][ T7444] ? netlink_unicast+0x810/0x810 [ 538.528370][ T7444] __sock_sendmsg+0xd5/0x180 [ 538.533094][ T7444] ____sys_sendmsg+0x6ac/0x940 [ 538.537869][ T7444] ? copy_msghdr_from_user+0x10b/0x160 [ 538.543339][ T7444] ? kernel_sendmsg+0x50/0x50 [ 538.548118][ T7444] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 538.554119][ T7444] ___sys_sendmsg+0x135/0x1d0 [ 538.558894][ T7444] ? do_recvmmsg+0x740/0x740 [ 538.563585][ T7444] ? find_held_lock+0x2d/0x110 [ 538.568543][ T7444] ? preempt_count_sub+0x150/0x150 [ 538.573763][ T7444] ? __fget_light+0x1fc/0x260 [ 538.578582][ T7444] __sys_sendmsg+0x117/0x1e0 [ 538.583531][ T7444] ? __sys_sendmsg_sock+0x30/0x30 [ 538.588782][ T7444] ? syscall_enter_from_user_mode+0x26/0x80 [ 538.594875][ T7444] do_syscall_64+0x3f/0x110 [ 538.599586][ T7444] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 538.605589][ T7444] RIP: 0033:0x7f2631248c19 [ 538.610443][ T7444] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 538.630669][ T7444] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 538.639380][ T7444] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 538.647731][ T7444] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 538.655997][ T7444] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 538.664169][ T7444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 538.672597][ T7444] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 538.680853][ T7444] [ 538.700014][ T7444] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 538.747265][ T7449] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 538.776244][ T7449] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 538.790635][ T7449] CPU: 0 PID: 7449 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 538.801301][ T7449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 538.812073][ T7449] Call Trace: [ 538.815389][ T7449] [ 538.819121][ T7449] dump_stack_lvl+0x125/0x1b0 [ 538.823926][ T7449] sysfs_warn_dup+0x7f/0xa0 [ 538.828475][ T7449] sysfs_create_dir_ns+0x247/0x2a0 [ 538.833634][ T7449] ? sysfs_create_mount_point+0xb0/0xb0 [ 538.839405][ T7449] ? spin_bug+0x1d0/0x1d0 [ 538.843775][ T7449] ? net_namespace+0x12/0x40 [ 538.848476][ T7449] ? device_namespace+0x8d/0xc0 [ 538.853456][ T7449] kobject_add_internal+0x2c8/0x960 [ 538.858791][ T7449] kobject_add+0x16f/0x240 [ 538.863328][ T7449] ? kset_create_and_add+0x190/0x190 [ 538.868942][ T7449] ? do_raw_spin_unlock+0x173/0x230 [ 538.874449][ T7449] ? kobject_put+0xbe/0x440 [ 538.879071][ T7449] ? device_add+0xc35/0x1aa0 [ 538.883775][ T7449] device_add+0x289/0x1aa0 [ 538.888219][ T7449] ? device_initialize+0x510/0x510 [ 538.893494][ T7449] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 538.900384][ T7449] ? __init_waitqueue_head+0xca/0x150 [ 538.905796][ T7449] netdev_register_kobject+0x183/0x3f0 [ 538.911468][ T7449] register_netdevice+0xbdf/0x14a0 [ 538.917310][ T7449] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 538.923773][ T7449] ? team_nl_cmd_noop+0x280/0x280 [ 538.929176][ T7449] team_newlink+0x92/0x160 [ 538.933797][ T7449] ? team_nl_cmd_noop+0x280/0x280 [ 538.939121][ T7449] ? rtnl_create_link+0xa6d/0xfd0 [ 538.944447][ T7449] __rtnl_newlink+0x1173/0x1930 [ 538.949625][ T7449] ? rtnl_link_unregister+0x260/0x260 [ 538.955675][ T7449] rtnl_newlink+0x67/0xa0 [ 538.960047][ T7449] ? __rtnl_newlink+0x1930/0x1930 [ 538.965191][ T7449] rtnetlink_rcv_msg+0x3c7/0xe00 [ 538.970419][ T7449] ? rtnl_getlink+0xb40/0xb40 [ 538.975385][ T7449] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 538.981748][ T7449] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 538.988043][ T7449] netlink_rcv_skb+0x16b/0x440 [ 538.992836][ T7449] ? rtnl_getlink+0xb40/0xb40 [ 538.997562][ T7449] ? netlink_ack+0x1370/0x1370 [ 539.002446][ T7449] ? lock_sync+0x190/0x190 [ 539.007000][ T7449] ? netlink_deliver_tap+0x1a0/0xd00 [ 539.012394][ T7449] ? _copy_from_iter+0x2c1/0x10f0 [ 539.017809][ T7449] netlink_unicast+0x53b/0x810 [ 539.022666][ T7449] ? netlink_attachskb+0x880/0x880 [ 539.027898][ T7449] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 539.033995][ T7449] ? __phys_addr_symbol+0x30/0x70 [ 539.039140][ T7449] ? __check_object_size+0x323/0x730 [ 539.044693][ T7449] netlink_sendmsg+0x93c/0xe40 [ 539.049754][ T7449] ? netlink_unicast+0x810/0x810 [ 539.054812][ T7449] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 539.060379][ T7449] ? netlink_unicast+0x810/0x810 [ 539.065431][ T7449] __sock_sendmsg+0xd5/0x180 [ 539.070751][ T7449] ____sys_sendmsg+0x6ac/0x940 [ 539.075724][ T7449] ? copy_msghdr_from_user+0x10b/0x160 [ 539.081315][ T7449] ? kernel_sendmsg+0x50/0x50 [ 539.086118][ T7449] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 539.092325][ T7449] ___sys_sendmsg+0x135/0x1d0 [ 539.097136][ T7449] ? do_recvmmsg+0x740/0x740 [ 539.101930][ T7449] ? find_held_lock+0x2d/0x110 [ 539.106832][ T7449] ? preempt_count_sub+0x150/0x150 [ 539.112248][ T7449] ? __fget_light+0x1fc/0x260 [ 539.117151][ T7449] __sys_sendmsg+0x117/0x1e0 [ 539.121871][ T7449] ? __sys_sendmsg_sock+0x30/0x30 [ 539.127048][ T7449] ? syscall_enter_from_user_mode+0x26/0x80 [ 539.133677][ T7449] do_syscall_64+0x3f/0x110 [ 539.138409][ T7449] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 539.144530][ T7449] RIP: 0033:0x7f2631248c19 [ 539.149490][ T7449] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 539.170087][ T7449] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 539.178909][ T7449] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 539.187527][ T7449] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 539.195747][ T7449] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 539.203911][ T7449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 539.212190][ T7449] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 539.222633][ T7449] [ 539.230546][ T7449] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 539.261104][ T7449] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 539.271106][ T7449] CPU: 1 PID: 7449 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 539.281618][ T7449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 539.292053][ T7449] Call Trace: [ 539.295633][ T7449] [ 539.298584][ T7449] dump_stack_lvl+0x125/0x1b0 [ 539.303470][ T7449] sysfs_warn_dup+0x7f/0xa0 [ 539.308214][ T7449] sysfs_create_dir_ns+0x247/0x2a0 [ 539.313370][ T7449] ? sysfs_create_mount_point+0xb0/0xb0 [ 539.318959][ T7449] ? spin_bug+0x1d0/0x1d0 [ 539.323331][ T7449] ? net_namespace+0x12/0x40 [ 539.327947][ T7449] ? device_namespace+0x8d/0xc0 [ 539.333014][ T7449] kobject_add_internal+0x2c8/0x960 [ 539.338265][ T7449] kobject_add+0x16f/0x240 [ 539.342794][ T7449] ? kset_create_and_add+0x190/0x190 [ 539.348380][ T7449] ? do_raw_spin_unlock+0x173/0x230 [ 539.353630][ T7449] ? kobject_put+0xbe/0x440 [ 539.358273][ T7449] ? device_add+0xc35/0x1aa0 [ 539.363089][ T7449] device_add+0x289/0x1aa0 [ 539.367549][ T7449] ? device_initialize+0x510/0x510 [ 539.372698][ T7449] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 539.379680][ T7449] ? __init_waitqueue_head+0xca/0x150 [ 539.385355][ T7449] netdev_register_kobject+0x183/0x3f0 [ 539.390940][ T7449] register_netdevice+0xbdf/0x14a0 [ 539.396094][ T7449] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 539.402095][ T7449] ? validate_linkmsg+0x6fc/0x9c0 [ 539.407155][ T7449] ? rtnl_create_link+0xa6d/0xfd0 [ 539.412650][ T7449] ? batadv_get_sset_count+0x40/0x40 [ 539.418527][ T7449] batadv_softif_newlink+0x70/0x90 [ 539.424106][ T7449] __rtnl_newlink+0x1173/0x1930 [ 539.429474][ T7449] ? rtnl_link_unregister+0x260/0x260 [ 539.435281][ T7449] rtnl_newlink+0x67/0xa0 [ 539.439642][ T7449] ? __rtnl_newlink+0x1930/0x1930 [ 539.445649][ T7449] rtnetlink_rcv_msg+0x3c7/0xe00 [ 539.450984][ T7449] ? rtnl_getlink+0xb40/0xb40 [ 539.455698][ T7449] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 539.462148][ T7449] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 539.468266][ T7449] netlink_rcv_skb+0x16b/0x440 [ 539.473154][ T7449] ? rtnl_getlink+0xb40/0xb40 [ 539.477948][ T7449] ? netlink_ack+0x1370/0x1370 [ 539.482840][ T7449] ? lock_sync+0x190/0x190 [ 539.487318][ T7449] ? netlink_deliver_tap+0x1a0/0xd00 [ 539.492816][ T7449] ? _copy_from_iter+0x2c1/0x10f0 [ 539.498616][ T7449] netlink_unicast+0x53b/0x810 [ 539.503768][ T7449] ? netlink_attachskb+0x880/0x880 [ 539.509353][ T7449] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 539.515290][ T7449] ? __phys_addr_symbol+0x30/0x70 [ 539.520343][ T7449] ? __check_object_size+0x323/0x730 [ 539.526114][ T7449] netlink_sendmsg+0x93c/0xe40 [ 539.531000][ T7449] ? netlink_unicast+0x810/0x810 [ 539.536233][ T7449] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 539.541716][ T7449] ? netlink_unicast+0x810/0x810 [ 539.546858][ T7449] __sock_sendmsg+0xd5/0x180 [ 539.551472][ T7449] ____sys_sendmsg+0x6ac/0x940 [ 539.556443][ T7449] ? copy_msghdr_from_user+0x10b/0x160 [ 539.562116][ T7449] ? kernel_sendmsg+0x50/0x50 [ 539.566828][ T7449] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 539.572851][ T7449] ___sys_sendmsg+0x135/0x1d0 [ 539.577646][ T7449] ? do_recvmmsg+0x740/0x740 [ 539.582346][ T7449] ? find_held_lock+0x2d/0x110 [ 539.587154][ T7449] ? preempt_count_sub+0x150/0x150 [ 539.592314][ T7449] ? __fget_light+0x1fc/0x260 [ 539.597028][ T7449] __sys_sendmsg+0x117/0x1e0 [ 539.601646][ T7449] ? __sys_sendmsg_sock+0x30/0x30 [ 539.606731][ T7449] ? syscall_enter_from_user_mode+0x26/0x80 [ 539.612669][ T7449] do_syscall_64+0x3f/0x110 [ 539.617426][ T7449] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 539.623470][ T7449] RIP: 0033:0x7f2631248c19 [ 539.628053][ T7449] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 539.648593][ T7449] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 539.657228][ T7449] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 539.665766][ T7449] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 539.674048][ T7449] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 539.682058][ T7449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 539.690237][ T7449] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 539.698610][ T7449] [ 539.716717][ T7449] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 539.761935][ T7451] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 539.786841][ T7451] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 539.808779][ T7451] CPU: 1 PID: 7451 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 539.819714][ T7451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 539.830831][ T7451] Call Trace: [ 539.834209][ T7451] [ 539.837205][ T7451] dump_stack_lvl+0x125/0x1b0 [ 539.842086][ T7451] sysfs_warn_dup+0x7f/0xa0 [ 539.846869][ T7451] sysfs_create_dir_ns+0x247/0x2a0 [ 539.852011][ T7451] ? sysfs_create_mount_point+0xb0/0xb0 [ 539.857973][ T7451] ? spin_bug+0x1d0/0x1d0 [ 539.862323][ T7451] ? net_namespace+0x12/0x40 [ 539.867008][ T7451] ? device_namespace+0x8d/0xc0 [ 539.871979][ T7451] kobject_add_internal+0x2c8/0x960 [ 539.877383][ T7451] kobject_add+0x16f/0x240 [ 539.882000][ T7451] ? kset_create_and_add+0x190/0x190 [ 539.887420][ T7451] ? do_raw_spin_unlock+0x173/0x230 [ 539.892736][ T7451] ? kobject_put+0xbe/0x440 [ 539.897345][ T7451] ? device_add+0xc35/0x1aa0 [ 539.901950][ T7451] device_add+0x289/0x1aa0 [ 539.906410][ T7451] ? device_initialize+0x510/0x510 [ 539.911806][ T7451] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 539.918873][ T7451] ? __init_waitqueue_head+0xca/0x150 [ 539.924374][ T7451] netdev_register_kobject+0x183/0x3f0 [ 539.930149][ T7451] register_netdevice+0xbdf/0x14a0 [ 539.935368][ T7451] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 539.941628][ T7451] ? team_nl_cmd_noop+0x280/0x280 [ 539.946677][ T7451] team_newlink+0x92/0x160 [ 539.951400][ T7451] ? team_nl_cmd_noop+0x280/0x280 [ 539.956881][ T7451] ? rtnl_create_link+0xa6d/0xfd0 [ 539.962035][ T7451] __rtnl_newlink+0x1173/0x1930 [ 539.967122][ T7451] ? rtnl_link_unregister+0x260/0x260 [ 539.972723][ T7451] rtnl_newlink+0x67/0xa0 [ 539.977180][ T7451] ? __rtnl_newlink+0x1930/0x1930 [ 539.982739][ T7451] rtnetlink_rcv_msg+0x3c7/0xe00 [ 539.988301][ T7451] ? rtnl_getlink+0xb40/0xb40 [ 539.993372][ T7451] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 540.000138][ T7451] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 540.006409][ T7451] netlink_rcv_skb+0x16b/0x440 [ 540.011358][ T7451] ? rtnl_getlink+0xb40/0xb40 [ 540.016240][ T7451] ? netlink_ack+0x1370/0x1370 [ 540.022272][ T7451] ? lock_sync+0x190/0x190 [ 540.027616][ T7451] ? netlink_deliver_tap+0x1a0/0xd00 [ 540.033609][ T7451] ? _copy_from_iter+0x2c1/0x10f0 [ 540.038917][ T7451] netlink_unicast+0x53b/0x810 [ 540.043703][ T7451] ? netlink_attachskb+0x880/0x880 [ 540.049176][ T7451] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 540.055080][ T7451] ? __phys_addr_symbol+0x30/0x70 [ 540.060112][ T7451] ? __check_object_size+0x323/0x730 [ 540.065601][ T7451] netlink_sendmsg+0x93c/0xe40 [ 540.071181][ T7451] ? netlink_unicast+0x810/0x810 [ 540.076226][ T7451] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 540.081787][ T7451] ? netlink_unicast+0x810/0x810 [ 540.087201][ T7451] __sock_sendmsg+0xd5/0x180 [ 540.091918][ T7451] ____sys_sendmsg+0x6ac/0x940 [ 540.097214][ T7451] ? copy_msghdr_from_user+0x10b/0x160 [ 540.102865][ T7451] ? kernel_sendmsg+0x50/0x50 [ 540.108007][ T7451] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 540.114684][ T7451] ___sys_sendmsg+0x135/0x1d0 [ 540.119469][ T7451] ? do_recvmmsg+0x740/0x740 [ 540.124071][ T7451] ? find_held_lock+0x2d/0x110 [ 540.129207][ T7451] ? preempt_count_sub+0x150/0x150 [ 540.134530][ T7451] ? __fget_light+0x1fc/0x260 [ 540.139229][ T7451] __sys_sendmsg+0x117/0x1e0 [ 540.143832][ T7451] ? __sys_sendmsg_sock+0x30/0x30 [ 540.148984][ T7451] ? syscall_enter_from_user_mode+0x26/0x80 [ 540.154982][ T7451] do_syscall_64+0x3f/0x110 [ 540.159528][ T7451] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 540.166217][ T7451] RIP: 0033:0x7f2631248c19 [ 540.170916][ T7451] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 540.192559][ T7451] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 540.204758][ T7451] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 540.213121][ T7451] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 540.221662][ T7451] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 540.230903][ T7451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 540.239871][ T7451] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 540.247965][ T7451] [ 540.274099][ T7451] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 540.320092][ T7451] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 540.330758][ T7451] CPU: 0 PID: 7451 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 540.341244][ T7451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 540.351563][ T7451] Call Trace: [ 540.354879][ T7451] [ 540.357844][ T7451] dump_stack_lvl+0x125/0x1b0 [ 540.362661][ T7451] sysfs_warn_dup+0x7f/0xa0 [ 540.367492][ T7451] sysfs_create_dir_ns+0x247/0x2a0 [ 540.372658][ T7451] ? sysfs_create_mount_point+0xb0/0xb0 [ 540.378445][ T7451] ? spin_bug+0x1d0/0x1d0 [ 540.383009][ T7451] ? net_namespace+0x12/0x40 [ 540.387662][ T7451] ? device_namespace+0x8d/0xc0 [ 540.392749][ T7451] kobject_add_internal+0x2c8/0x960 [ 540.398007][ T7451] kobject_add+0x16f/0x240 [ 540.402554][ T7451] ? kset_create_and_add+0x190/0x190 [ 540.408442][ T7451] ? do_raw_spin_unlock+0x173/0x230 [ 540.413873][ T7451] ? kobject_put+0xbe/0x440 [ 540.419209][ T7451] ? device_add+0xc35/0x1aa0 [ 540.423982][ T7451] device_add+0x289/0x1aa0 [ 540.428539][ T7451] ? device_initialize+0x510/0x510 [ 540.434060][ T7451] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 540.441767][ T7451] ? __init_waitqueue_head+0xca/0x150 [ 540.448628][ T7451] netdev_register_kobject+0x183/0x3f0 [ 540.454628][ T7451] register_netdevice+0xbdf/0x14a0 [ 540.459791][ T7451] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 540.466532][ T7451] ? validate_linkmsg+0x6fc/0x9c0 [ 540.471776][ T7451] ? rtnl_create_link+0xa6d/0xfd0 [ 540.476985][ T7451] ? batadv_get_sset_count+0x40/0x40 [ 540.482487][ T7451] batadv_softif_newlink+0x70/0x90 [ 540.487813][ T7451] __rtnl_newlink+0x1173/0x1930 [ 540.492819][ T7451] ? rtnl_link_unregister+0x260/0x260 [ 540.498277][ T7451] rtnl_newlink+0x67/0xa0 [ 540.502860][ T7451] ? __rtnl_newlink+0x1930/0x1930 [ 540.508368][ T7451] rtnetlink_rcv_msg+0x3c7/0xe00 [ 540.513793][ T7451] ? rtnl_getlink+0xb40/0xb40 [ 540.518702][ T7451] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 540.524896][ T7451] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 540.531115][ T7451] netlink_rcv_skb+0x16b/0x440 [ 540.535926][ T7451] ? rtnl_getlink+0xb40/0xb40 [ 540.540646][ T7451] ? netlink_ack+0x1370/0x1370 [ 540.545450][ T7451] ? lock_sync+0x190/0x190 [ 540.549923][ T7451] ? netlink_deliver_tap+0x1a0/0xd00 [ 540.555325][ T7451] ? _copy_from_iter+0x2c1/0x10f0 [ 540.560573][ T7451] netlink_unicast+0x53b/0x810 [ 540.565380][ T7451] ? netlink_attachskb+0x880/0x880 [ 540.570530][ T7451] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 540.576563][ T7451] ? __phys_addr_symbol+0x30/0x70 [ 540.581624][ T7451] ? __check_object_size+0x323/0x730 [ 540.587057][ T7451] netlink_sendmsg+0x93c/0xe40 [ 540.591965][ T7451] ? netlink_unicast+0x810/0x810 [ 540.597041][ T7451] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 540.602898][ T7451] ? netlink_unicast+0x810/0x810 [ 540.607987][ T7451] __sock_sendmsg+0xd5/0x180 [ 540.612795][ T7451] ____sys_sendmsg+0x6ac/0x940 [ 540.617588][ T7451] ? copy_msghdr_from_user+0x10b/0x160 [ 540.623083][ T7451] ? kernel_sendmsg+0x50/0x50 [ 540.628122][ T7451] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 540.634252][ T7451] ___sys_sendmsg+0x135/0x1d0 [ 540.639067][ T7451] ? do_recvmmsg+0x740/0x740 [ 540.644570][ T7451] ? find_held_lock+0x2d/0x110 [ 540.649494][ T7451] ? preempt_count_sub+0x150/0x150 [ 540.655010][ T7451] ? __fget_light+0x1fc/0x260 [ 540.659817][ T7451] __sys_sendmsg+0x117/0x1e0 [ 540.664436][ T7451] ? __sys_sendmsg_sock+0x30/0x30 [ 540.669508][ T7451] ? syscall_enter_from_user_mode+0x26/0x80 [ 540.676148][ T7451] do_syscall_64+0x3f/0x110 [ 540.680849][ T7451] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 540.686952][ T7451] RIP: 0033:0x7f2631248c19 [ 540.691721][ T7451] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 540.712327][ T7451] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 540.721044][ T7451] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 540.729576][ T7451] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 540.738109][ T7451] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 540.747066][ T7451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 540.755340][ T7451] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 540.763444][ T7451] [ 540.785612][ T7451] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 540.846874][ T7455] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 540.876256][ T7455] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 540.896240][ T7455] CPU: 0 PID: 7455 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 540.906473][ T7455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 540.917167][ T7455] Call Trace: [ 540.920560][ T7455] [ 540.923709][ T7455] dump_stack_lvl+0x125/0x1b0 [ 540.928692][ T7455] sysfs_warn_dup+0x7f/0xa0 [ 540.933604][ T7455] sysfs_create_dir_ns+0x247/0x2a0 [ 540.938782][ T7455] ? sysfs_create_mount_point+0xb0/0xb0 [ 540.944730][ T7455] ? spin_bug+0x1d0/0x1d0 [ 540.949189][ T7455] ? net_namespace+0x12/0x40 [ 540.953889][ T7455] ? device_namespace+0x8d/0xc0 [ 540.958784][ T7455] kobject_add_internal+0x2c8/0x960 [ 540.964752][ T7455] kobject_add+0x16f/0x240 [ 540.969399][ T7455] ? kset_create_and_add+0x190/0x190 [ 540.975451][ T7455] ? do_raw_spin_unlock+0x173/0x230 [ 540.980871][ T7455] ? kobject_put+0xbe/0x440 [ 540.985590][ T7455] ? device_add+0xc35/0x1aa0 [ 540.990303][ T7455] device_add+0x289/0x1aa0 [ 540.994924][ T7455] ? device_initialize+0x510/0x510 [ 541.000353][ T7455] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 541.007575][ T7455] ? __init_waitqueue_head+0xca/0x150 [ 541.013178][ T7455] netdev_register_kobject+0x183/0x3f0 [ 541.018860][ T7455] register_netdevice+0xbdf/0x14a0 [ 541.024348][ T7455] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 541.030454][ T7455] ? team_nl_cmd_noop+0x280/0x280 [ 541.035580][ T7455] team_newlink+0x92/0x160 [ 541.040286][ T7455] ? team_nl_cmd_noop+0x280/0x280 [ 541.045436][ T7455] ? rtnl_create_link+0xa6d/0xfd0 [ 541.050952][ T7455] __rtnl_newlink+0x1173/0x1930 [ 541.055999][ T7455] ? rtnl_link_unregister+0x260/0x260 [ 541.061672][ T7455] rtnl_newlink+0x67/0xa0 [ 541.066007][ T7455] ? __rtnl_newlink+0x1930/0x1930 [ 541.071474][ T7455] rtnetlink_rcv_msg+0x3c7/0xe00 [ 541.076769][ T7455] ? rtnl_getlink+0xb40/0xb40 [ 541.082369][ T7455] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 541.089187][ T7455] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 541.096860][ T7455] netlink_rcv_skb+0x16b/0x440 [ 541.101911][ T7455] ? rtnl_getlink+0xb40/0xb40 [ 541.108005][ T7455] ? netlink_ack+0x1370/0x1370 [ 541.114286][ T7455] ? lock_sync+0x190/0x190 [ 541.120518][ T7455] ? netlink_deliver_tap+0x1a0/0xd00 [ 541.127036][ T7455] ? _copy_from_iter+0x2c1/0x10f0 [ 541.133355][ T7455] netlink_unicast+0x53b/0x810 [ 541.139052][ T7455] ? netlink_attachskb+0x880/0x880 [ 541.144638][ T7455] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 541.150841][ T7455] ? __phys_addr_symbol+0x30/0x70 [ 541.156586][ T7455] ? __check_object_size+0x323/0x730 [ 541.162071][ T7455] netlink_sendmsg+0x93c/0xe40 [ 541.167116][ T7455] ? netlink_unicast+0x810/0x810 [ 541.172620][ T7455] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 541.178487][ T7455] ? netlink_unicast+0x810/0x810 [ 541.183540][ T7455] __sock_sendmsg+0xd5/0x180 [ 541.189281][ T7455] ____sys_sendmsg+0x6ac/0x940 [ 541.196258][ T7455] ? copy_msghdr_from_user+0x10b/0x160 [ 541.202707][ T7455] ? kernel_sendmsg+0x50/0x50 [ 541.208808][ T7455] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 541.215449][ T7455] ___sys_sendmsg+0x135/0x1d0 [ 541.220239][ T7455] ? do_recvmmsg+0x740/0x740 [ 541.225282][ T7455] ? find_held_lock+0x2d/0x110 [ 541.230617][ T7455] ? preempt_count_sub+0x150/0x150 [ 541.235834][ T7455] ? __fget_light+0x1fc/0x260 [ 541.240716][ T7455] __sys_sendmsg+0x117/0x1e0 [ 541.245412][ T7455] ? __sys_sendmsg_sock+0x30/0x30 [ 541.251104][ T7455] ? syscall_enter_from_user_mode+0x26/0x80 [ 541.257273][ T7455] do_syscall_64+0x3f/0x110 [ 541.262128][ T7455] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 541.268896][ T7455] RIP: 0033:0x7f2631248c19 [ 541.273607][ T7455] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 541.297681][ T7455] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 541.306657][ T7455] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 541.315179][ T7455] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 541.323665][ T7455] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 541.332284][ T7455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 541.340642][ T7455] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 541.348738][ T7455] [ 541.354842][ T7455] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 541.386709][ T7455] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 541.396267][ T7455] CPU: 0 PID: 7455 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 541.407072][ T7455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 541.419553][ T7455] Call Trace: [ 541.423212][ T7455] [ 541.426648][ T7455] dump_stack_lvl+0x125/0x1b0 [ 541.435107][ T7455] sysfs_warn_dup+0x7f/0xa0 [ 541.440524][ T7455] sysfs_create_dir_ns+0x247/0x2a0 [ 541.445978][ T7455] ? sysfs_create_mount_point+0xb0/0xb0 [ 541.452216][ T7455] ? spin_bug+0x1d0/0x1d0 [ 541.458382][ T7455] ? net_namespace+0x12/0x40 [ 541.463219][ T7455] ? device_namespace+0x8d/0xc0 [ 541.468861][ T7455] kobject_add_internal+0x2c8/0x960 [ 541.476909][ T7455] kobject_add+0x16f/0x240 [ 541.482090][ T7455] ? kset_create_and_add+0x190/0x190 [ 541.488942][ T7455] ? do_raw_spin_unlock+0x173/0x230 [ 541.495259][ T7455] ? kobject_put+0xbe/0x440 [ 541.500302][ T7455] ? device_add+0xc35/0x1aa0 [ 541.505212][ T7455] device_add+0x289/0x1aa0 [ 541.510734][ T7455] ? device_initialize+0x510/0x510 [ 541.516488][ T7455] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 541.523827][ T7455] ? __init_waitqueue_head+0xca/0x150 [ 541.530394][ T7455] netdev_register_kobject+0x183/0x3f0 [ 541.535914][ T7455] register_netdevice+0xbdf/0x14a0 [ 541.541777][ T7455] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 541.547978][ T7455] ? validate_linkmsg+0x6fc/0x9c0 [ 541.553314][ T7455] ? rtnl_create_link+0xa6d/0xfd0 [ 541.558563][ T7455] ? batadv_get_sset_count+0x40/0x40 [ 541.563985][ T7455] batadv_softif_newlink+0x70/0x90 [ 541.569502][ T7455] __rtnl_newlink+0x1173/0x1930 [ 541.574617][ T7455] ? rtnl_link_unregister+0x260/0x260 [ 541.580676][ T7455] rtnl_newlink+0x67/0xa0 [ 541.585129][ T7455] ? __rtnl_newlink+0x1930/0x1930 [ 541.590307][ T7455] rtnetlink_rcv_msg+0x3c7/0xe00 [ 541.595481][ T7455] ? rtnl_getlink+0xb40/0xb40 [ 541.600294][ T7455] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 541.606501][ T7455] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 541.612548][ T7455] netlink_rcv_skb+0x16b/0x440 [ 541.617524][ T7455] ? rtnl_getlink+0xb40/0xb40 [ 541.622318][ T7455] ? netlink_ack+0x1370/0x1370 [ 541.627499][ T7455] ? lock_sync+0x190/0x190 [ 541.632060][ T7455] ? netlink_deliver_tap+0x1a0/0xd00 [ 541.637808][ T7455] ? _copy_from_iter+0x2c1/0x10f0 [ 541.643229][ T7455] netlink_unicast+0x53b/0x810 [ 541.648300][ T7455] ? netlink_attachskb+0x880/0x880 [ 541.653983][ T7455] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 541.660203][ T7455] ? __phys_addr_symbol+0x30/0x70 [ 541.665792][ T7455] ? __check_object_size+0x323/0x730 [ 541.671225][ T7455] netlink_sendmsg+0x93c/0xe40 [ 541.676428][ T7455] ? netlink_unicast+0x810/0x810 [ 541.681616][ T7455] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 541.687088][ T7455] ? netlink_unicast+0x810/0x810 [ 541.692327][ T7455] __sock_sendmsg+0xd5/0x180 [ 541.697209][ T7455] ____sys_sendmsg+0x6ac/0x940 [ 541.702087][ T7455] ? copy_msghdr_from_user+0x10b/0x160 [ 541.707961][ T7455] ? kernel_sendmsg+0x50/0x50 [ 541.712669][ T7455] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 541.718869][ T7455] ___sys_sendmsg+0x135/0x1d0 [ 541.723678][ T7455] ? do_recvmmsg+0x740/0x740 [ 541.728315][ T7455] ? find_held_lock+0x2d/0x110 [ 541.733318][ T7455] ? preempt_count_sub+0x150/0x150 [ 541.738573][ T7455] ? __fget_light+0x1fc/0x260 [ 541.743380][ T7455] __sys_sendmsg+0x117/0x1e0 [ 541.748090][ T7455] ? __sys_sendmsg_sock+0x30/0x30 [ 541.753263][ T7455] ? syscall_enter_from_user_mode+0x26/0x80 [ 541.759308][ T7455] do_syscall_64+0x3f/0x110 [ 541.764148][ T7455] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 541.770359][ T7455] RIP: 0033:0x7f2631248c19 [ 541.774899][ T7455] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 541.795759][ T7455] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 541.805788][ T7455] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 541.813874][ T7455] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 541.822315][ T7455] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 541.831214][ T7455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 541.839813][ T7455] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 541.848357][ T7455] [ 541.852635][ T7455] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 541.943057][ T7459] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 541.960238][ T7459] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 541.982274][ T7459] CPU: 1 PID: 7459 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 541.993722][ T7459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 542.004517][ T7459] Call Trace: [ 542.008195][ T7459] [ 542.011327][ T7459] dump_stack_lvl+0x125/0x1b0 [ 542.016596][ T7459] sysfs_warn_dup+0x7f/0xa0 [ 542.022160][ T7459] sysfs_create_dir_ns+0x247/0x2a0 [ 542.027526][ T7459] ? sysfs_create_mount_point+0xb0/0xb0 [ 542.033752][ T7459] ? spin_bug+0x1d0/0x1d0 [ 542.039082][ T7459] ? net_namespace+0x12/0x40 [ 542.043985][ T7459] ? device_namespace+0x8d/0xc0 [ 542.049338][ T7459] kobject_add_internal+0x2c8/0x960 [ 542.054936][ T7459] kobject_add+0x16f/0x240 [ 542.059391][ T7459] ? kset_create_and_add+0x190/0x190 [ 542.065169][ T7459] ? do_raw_spin_unlock+0x173/0x230 [ 542.070941][ T7459] ? kobject_put+0xbe/0x440 [ 542.075869][ T7459] ? device_add+0xc35/0x1aa0 [ 542.080935][ T7459] device_add+0x289/0x1aa0 [ 542.085898][ T7459] ? device_initialize+0x510/0x510 [ 542.091064][ T7459] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 542.102722][ T7459] ? __init_waitqueue_head+0xca/0x150 [ 542.108375][ T7459] netdev_register_kobject+0x183/0x3f0 [ 542.114252][ T7459] register_netdevice+0xbdf/0x14a0 [ 542.119437][ T7459] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 542.125460][ T7459] ? team_nl_cmd_noop+0x280/0x280 [ 542.130860][ T7459] team_newlink+0x92/0x160 [ 542.135395][ T7459] ? team_nl_cmd_noop+0x280/0x280 [ 542.140635][ T7459] ? rtnl_create_link+0xa6d/0xfd0 [ 542.145819][ T7459] __rtnl_newlink+0x1173/0x1930 [ 542.150696][ T7459] ? rtnl_link_unregister+0x260/0x260 [ 542.156135][ T7459] rtnl_newlink+0x67/0xa0 [ 542.160494][ T7459] ? __rtnl_newlink+0x1930/0x1930 [ 542.165621][ T7459] rtnetlink_rcv_msg+0x3c7/0xe00 [ 542.170572][ T7459] ? rtnl_getlink+0xb40/0xb40 [ 542.175370][ T7459] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 542.181453][ T7459] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 542.187548][ T7459] netlink_rcv_skb+0x16b/0x440 [ 542.192335][ T7459] ? rtnl_getlink+0xb40/0xb40 [ 542.197110][ T7459] ? netlink_ack+0x1370/0x1370 [ 542.201974][ T7459] ? lock_sync+0x190/0x190 [ 542.206519][ T7459] ? netlink_deliver_tap+0x1a0/0xd00 [ 542.212171][ T7459] ? _copy_from_iter+0x2c1/0x10f0 [ 542.217306][ T7459] netlink_unicast+0x53b/0x810 [ 542.222174][ T7459] ? netlink_attachskb+0x880/0x880 [ 542.227508][ T7459] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 542.233586][ T7459] ? __phys_addr_symbol+0x30/0x70 [ 542.238796][ T7459] ? __check_object_size+0x323/0x730 [ 542.244189][ T7459] netlink_sendmsg+0x93c/0xe40 [ 542.249193][ T7459] ? netlink_unicast+0x810/0x810 [ 542.254147][ T7459] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 542.259452][ T7459] ? netlink_unicast+0x810/0x810 [ 542.264511][ T7459] __sock_sendmsg+0xd5/0x180 [ 542.269111][ T7459] ____sys_sendmsg+0x6ac/0x940 [ 542.274063][ T7459] ? copy_msghdr_from_user+0x10b/0x160 [ 542.279619][ T7459] ? kernel_sendmsg+0x50/0x50 [ 542.284316][ T7459] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 542.290583][ T7459] ___sys_sendmsg+0x135/0x1d0 [ 542.295391][ T7459] ? do_recvmmsg+0x740/0x740 [ 542.300033][ T7459] ? find_held_lock+0x2d/0x110 [ 542.305195][ T7459] ? preempt_count_sub+0x150/0x150 [ 542.310419][ T7459] ? __fget_light+0x1fc/0x260 [ 542.315115][ T7459] __sys_sendmsg+0x117/0x1e0 [ 542.319721][ T7459] ? __sys_sendmsg_sock+0x30/0x30 [ 542.324868][ T7459] ? syscall_enter_from_user_mode+0x26/0x80 [ 542.330951][ T7459] do_syscall_64+0x3f/0x110 [ 542.335562][ T7459] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 542.341555][ T7459] RIP: 0033:0x7f2631248c19 [ 542.346087][ T7459] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 542.366326][ T7459] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 542.375016][ T7459] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 542.383079][ T7459] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 542.391431][ T7459] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 542.399673][ T7459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 542.409414][ T7459] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 542.418604][ T7459] [ 542.446167][ T7459] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 542.518688][ T7459] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 542.534438][ T7459] CPU: 0 PID: 7459 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 542.544663][ T7459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 542.555108][ T7459] Call Trace: [ 542.558517][ T7459] [ 542.561473][ T7459] dump_stack_lvl+0x125/0x1b0 [ 542.566296][ T7459] sysfs_warn_dup+0x7f/0xa0 [ 542.570871][ T7459] sysfs_create_dir_ns+0x247/0x2a0 [ 542.576033][ T7459] ? sysfs_create_mount_point+0xb0/0xb0 [ 542.582070][ T7459] ? spin_bug+0x1d0/0x1d0 [ 542.586638][ T7459] ? net_namespace+0x12/0x40 [ 542.591366][ T7459] ? device_namespace+0x8d/0xc0 [ 542.596276][ T7459] kobject_add_internal+0x2c8/0x960 [ 542.601729][ T7459] kobject_add+0x16f/0x240 [ 542.607598][ T7459] ? kset_create_and_add+0x190/0x190 [ 542.613453][ T7459] ? do_raw_spin_unlock+0x173/0x230 [ 542.619055][ T7459] ? kobject_put+0xbe/0x440 [ 542.623770][ T7459] ? device_add+0xc35/0x1aa0 [ 542.628663][ T7459] device_add+0x289/0x1aa0 [ 542.633251][ T7459] ? device_initialize+0x510/0x510 [ 542.638483][ T7459] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 542.645783][ T7459] ? __init_waitqueue_head+0xca/0x150 [ 542.651611][ T7459] netdev_register_kobject+0x183/0x3f0 [ 542.657212][ T7459] register_netdevice+0xbdf/0x14a0 [ 542.662805][ T7459] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 542.668884][ T7459] ? validate_linkmsg+0x6fc/0x9c0 [ 542.674024][ T7459] ? rtnl_create_link+0xa6d/0xfd0 [ 542.679156][ T7459] ? batadv_get_sset_count+0x40/0x40 [ 542.684753][ T7459] batadv_softif_newlink+0x70/0x90 [ 542.690158][ T7459] __rtnl_newlink+0x1173/0x1930 [ 542.695131][ T7459] ? rtnl_link_unregister+0x260/0x260 [ 542.700768][ T7459] rtnl_newlink+0x67/0xa0 [ 542.705276][ T7459] ? __rtnl_newlink+0x1930/0x1930 [ 542.710706][ T7459] rtnetlink_rcv_msg+0x3c7/0xe00 [ 542.716098][ T7459] ? rtnl_getlink+0xb40/0xb40 [ 542.721164][ T7459] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 542.727966][ T7459] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 542.734273][ T7459] netlink_rcv_skb+0x16b/0x440 [ 542.739150][ T7459] ? rtnl_getlink+0xb40/0xb40 [ 542.743930][ T7459] ? netlink_ack+0x1370/0x1370 [ 542.748879][ T7459] ? lock_sync+0x190/0x190 [ 542.753327][ T7459] ? netlink_deliver_tap+0x1a0/0xd00 [ 542.758708][ T7459] ? _copy_from_iter+0x2c1/0x10f0 [ 542.764014][ T7459] netlink_unicast+0x53b/0x810 [ 542.769063][ T7459] ? netlink_attachskb+0x880/0x880 [ 542.774271][ T7459] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 542.780475][ T7459] ? __phys_addr_symbol+0x30/0x70 [ 542.786112][ T7459] ? __check_object_size+0x323/0x730 [ 542.791518][ T7459] netlink_sendmsg+0x93c/0xe40 [ 542.796561][ T7459] ? netlink_unicast+0x810/0x810 [ 542.802409][ T7459] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 542.807917][ T7459] ? netlink_unicast+0x810/0x810 [ 542.813143][ T7459] __sock_sendmsg+0xd5/0x180 [ 542.817836][ T7459] ____sys_sendmsg+0x6ac/0x940 [ 542.822702][ T7459] ? copy_msghdr_from_user+0x10b/0x160 [ 542.828175][ T7459] ? kernel_sendmsg+0x50/0x50 [ 542.833131][ T7459] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 542.840526][ T7459] ___sys_sendmsg+0x135/0x1d0 [ 542.845445][ T7459] ? do_recvmmsg+0x740/0x740 [ 542.850047][ T7459] ? find_held_lock+0x2d/0x110 [ 542.855032][ T7459] ? preempt_count_sub+0x150/0x150 [ 542.860450][ T7459] ? __fget_light+0x1fc/0x260 [ 542.865273][ T7459] __sys_sendmsg+0x117/0x1e0 [ 542.870698][ T7459] ? __sys_sendmsg_sock+0x30/0x30 [ 542.876898][ T7459] ? syscall_enter_from_user_mode+0x26/0x80 [ 542.883080][ T7459] do_syscall_64+0x3f/0x110 [ 542.887695][ T7459] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 542.893944][ T7459] RIP: 0033:0x7f2631248c19 [ 542.898429][ T7459] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 542.920585][ T7459] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 542.929267][ T7459] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 542.937660][ T7459] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 542.946024][ T7459] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 542.957254][ T7459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 542.966659][ T7459] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 542.975036][ T7459] [ 542.990388][ T7459] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 543.118111][ T7468] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 543.136197][ T7468] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 543.164426][ T7468] CPU: 0 PID: 7468 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 543.174911][ T7468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 543.185432][ T7468] Call Trace: [ 543.188753][ T7468] [ 543.191892][ T7468] dump_stack_lvl+0x125/0x1b0 [ 543.196712][ T7468] sysfs_warn_dup+0x7f/0xa0 [ 543.201695][ T7468] sysfs_create_dir_ns+0x247/0x2a0 [ 543.207311][ T7468] ? sysfs_create_mount_point+0xb0/0xb0 [ 543.213004][ T7468] ? spin_bug+0x1d0/0x1d0 [ 543.217488][ T7468] ? net_namespace+0x12/0x40 [ 543.222167][ T7468] ? device_namespace+0x8d/0xc0 [ 543.227258][ T7468] kobject_add_internal+0x2c8/0x960 [ 543.232635][ T7468] kobject_add+0x16f/0x240 [ 543.237373][ T7468] ? kset_create_and_add+0x190/0x190 [ 543.243325][ T7468] ? do_raw_spin_unlock+0x173/0x230 [ 543.248638][ T7468] ? kobject_put+0xbe/0x440 [ 543.253300][ T7468] ? device_add+0xc35/0x1aa0 [ 543.258138][ T7468] device_add+0x289/0x1aa0 [ 543.262890][ T7468] ? device_initialize+0x510/0x510 [ 543.268236][ T7468] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 543.275231][ T7468] ? __init_waitqueue_head+0xca/0x150 [ 543.280798][ T7468] netdev_register_kobject+0x183/0x3f0 [ 543.286641][ T7468] register_netdevice+0xbdf/0x14a0 [ 543.291943][ T7468] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 543.298150][ T7468] ? team_nl_cmd_noop+0x280/0x280 [ 543.303362][ T7468] team_newlink+0x92/0x160 [ 543.307900][ T7468] ? team_nl_cmd_noop+0x280/0x280 [ 543.313145][ T7468] ? rtnl_create_link+0xa6d/0xfd0 [ 543.318473][ T7468] __rtnl_newlink+0x1173/0x1930 [ 543.323471][ T7468] ? rtnl_link_unregister+0x260/0x260 [ 543.329075][ T7468] rtnl_newlink+0x67/0xa0 [ 543.333432][ T7468] ? __rtnl_newlink+0x1930/0x1930 [ 543.338466][ T7468] rtnetlink_rcv_msg+0x3c7/0xe00 [ 543.343433][ T7468] ? rtnl_getlink+0xb40/0xb40 [ 543.348289][ T7468] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 543.354468][ T7468] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 543.361084][ T7468] netlink_rcv_skb+0x16b/0x440 [ 543.365928][ T7468] ? rtnl_getlink+0xb40/0xb40 [ 543.370787][ T7468] ? netlink_ack+0x1370/0x1370 [ 543.375735][ T7468] ? lock_sync+0x190/0x190 [ 543.380532][ T7468] ? netlink_deliver_tap+0x1a0/0xd00 [ 543.385848][ T7468] ? _copy_from_iter+0x2c1/0x10f0 [ 543.390920][ T7468] netlink_unicast+0x53b/0x810 [ 543.396016][ T7468] ? netlink_attachskb+0x880/0x880 [ 543.401260][ T7468] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 543.407405][ T7468] ? __phys_addr_symbol+0x30/0x70 [ 543.412480][ T7468] ? __check_object_size+0x323/0x730 [ 543.418049][ T7468] netlink_sendmsg+0x93c/0xe40 [ 543.423028][ T7468] ? netlink_unicast+0x810/0x810 [ 543.428273][ T7468] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 543.433782][ T7468] ? netlink_unicast+0x810/0x810 [ 543.438913][ T7468] __sock_sendmsg+0xd5/0x180 [ 543.444038][ T7468] ____sys_sendmsg+0x6ac/0x940 [ 543.449373][ T7468] ? copy_msghdr_from_user+0x10b/0x160 [ 543.455114][ T7468] ? kernel_sendmsg+0x50/0x50 [ 543.459890][ T7468] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 543.465988][ T7468] ___sys_sendmsg+0x135/0x1d0 [ 543.470686][ T7468] ? do_recvmmsg+0x740/0x740 [ 543.475286][ T7468] ? find_held_lock+0x2d/0x110 [ 543.480161][ T7468] ? preempt_count_sub+0x150/0x150 [ 543.485414][ T7468] ? __fget_light+0x1fc/0x260 [ 543.490145][ T7468] __sys_sendmsg+0x117/0x1e0 [ 543.494756][ T7468] ? __sys_sendmsg_sock+0x30/0x30 [ 543.500018][ T7468] ? syscall_enter_from_user_mode+0x26/0x80 [ 543.506144][ T7468] do_syscall_64+0x3f/0x110 [ 543.510831][ T7468] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 543.517692][ T7468] RIP: 0033:0x7f2631248c19 [ 543.522111][ T7468] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 543.542510][ T7468] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 543.551206][ T7468] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 543.559270][ T7468] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 543.567417][ T7468] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 543.575393][ T7468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 543.584176][ T7468] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 543.592273][ T7468] [ 543.612112][ T7468] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 543.644191][ T7468] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 543.654082][ T7468] CPU: 0 PID: 7468 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 543.664788][ T7468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 543.675573][ T7468] Call Trace: [ 543.679333][ T7468] [ 543.682489][ T7468] dump_stack_lvl+0x125/0x1b0 [ 543.688027][ T7468] sysfs_warn_dup+0x7f/0xa0 [ 543.692897][ T7468] sysfs_create_dir_ns+0x247/0x2a0 [ 543.698236][ T7468] ? sysfs_create_mount_point+0xb0/0xb0 [ 543.704086][ T7468] ? spin_bug+0x1d0/0x1d0 [ 543.708724][ T7468] ? net_namespace+0x12/0x40 [ 543.713952][ T7468] ? device_namespace+0x8d/0xc0 [ 543.719125][ T7468] kobject_add_internal+0x2c8/0x960 [ 543.724465][ T7468] kobject_add+0x16f/0x240 [ 543.728931][ T7468] ? kset_create_and_add+0x190/0x190 [ 543.734447][ T7468] ? do_raw_spin_unlock+0x173/0x230 [ 543.739790][ T7468] ? kobject_put+0xbe/0x440 [ 543.744425][ T7468] ? device_add+0xc35/0x1aa0 [ 543.749309][ T7468] device_add+0x289/0x1aa0 [ 543.753774][ T7468] ? device_initialize+0x510/0x510 [ 543.759031][ T7468] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 543.766757][ T7468] ? __init_waitqueue_head+0xca/0x150 [ 543.772271][ T7468] netdev_register_kobject+0x183/0x3f0 [ 543.777951][ T7468] register_netdevice+0xbdf/0x14a0 [ 543.784522][ T7468] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 543.790823][ T7468] ? validate_linkmsg+0x6fc/0x9c0 [ 543.797196][ T7468] ? rtnl_create_link+0xa6d/0xfd0 [ 543.802455][ T7468] ? batadv_get_sset_count+0x40/0x40 [ 543.808204][ T7468] batadv_softif_newlink+0x70/0x90 [ 543.813738][ T7468] __rtnl_newlink+0x1173/0x1930 [ 543.819004][ T7468] ? rtnl_link_unregister+0x260/0x260 [ 543.824462][ T7468] rtnl_newlink+0x67/0xa0 [ 543.829441][ T7468] ? __rtnl_newlink+0x1930/0x1930 [ 543.834947][ T7468] rtnetlink_rcv_msg+0x3c7/0xe00 [ 543.840017][ T7468] ? rtnl_getlink+0xb40/0xb40 [ 543.844812][ T7468] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 543.851332][ T7468] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 543.857375][ T7468] netlink_rcv_skb+0x16b/0x440 [ 543.862361][ T7468] ? rtnl_getlink+0xb40/0xb40 [ 543.867517][ T7468] ? netlink_ack+0x1370/0x1370 [ 543.872355][ T7468] ? lock_sync+0x190/0x190 [ 543.876930][ T7468] ? netlink_deliver_tap+0x1a0/0xd00 [ 543.882434][ T7468] ? _copy_from_iter+0x2c1/0x10f0 [ 543.887522][ T7468] netlink_unicast+0x53b/0x810 [ 543.892424][ T7468] ? netlink_attachskb+0x880/0x880 [ 543.897826][ T7468] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 543.904897][ T7468] ? __phys_addr_symbol+0x30/0x70 [ 543.910162][ T7468] ? __check_object_size+0x323/0x730 [ 543.916469][ T7468] netlink_sendmsg+0x93c/0xe40 [ 543.921455][ T7468] ? netlink_unicast+0x810/0x810 [ 543.926610][ T7468] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 543.932104][ T7468] ? netlink_unicast+0x810/0x810 [ 543.937192][ T7468] __sock_sendmsg+0xd5/0x180 [ 543.941811][ T7468] ____sys_sendmsg+0x6ac/0x940 [ 543.946607][ T7468] ? copy_msghdr_from_user+0x10b/0x160 [ 543.952284][ T7468] ? kernel_sendmsg+0x50/0x50 [ 543.957227][ T7468] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 543.964223][ T7468] ___sys_sendmsg+0x135/0x1d0 [ 543.969126][ T7468] ? do_recvmmsg+0x740/0x740 [ 543.974012][ T7468] ? find_held_lock+0x2d/0x110 [ 543.979025][ T7468] ? preempt_count_sub+0x150/0x150 [ 543.984449][ T7468] ? __fget_light+0x1fc/0x260 [ 543.989256][ T7468] __sys_sendmsg+0x117/0x1e0 [ 543.993976][ T7468] ? __sys_sendmsg_sock+0x30/0x30 [ 543.999354][ T7468] ? syscall_enter_from_user_mode+0x26/0x80 [ 544.005371][ T7468] do_syscall_64+0x3f/0x110 [ 544.009913][ T7468] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 544.016017][ T7468] RIP: 0033:0x7f2631248c19 [ 544.020901][ T7468] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 544.041255][ T7468] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 544.049811][ T7468] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 544.058262][ T7468] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 544.066436][ T7468] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 544.074878][ T7468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 544.083694][ T7468] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 544.092682][ T7468] [ 544.096443][ T7468] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 544.156965][ T7473] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 544.186335][ T7473] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 544.204427][ T7473] CPU: 0 PID: 7473 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 544.214653][ T7473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 544.224917][ T7473] Call Trace: [ 544.228356][ T7473] [ 544.231413][ T7473] dump_stack_lvl+0x125/0x1b0 [ 544.236369][ T7473] sysfs_warn_dup+0x7f/0xa0 [ 544.241027][ T7473] sysfs_create_dir_ns+0x247/0x2a0 [ 544.246550][ T7473] ? sysfs_create_mount_point+0xb0/0xb0 [ 544.252417][ T7473] ? spin_bug+0x1d0/0x1d0 [ 544.256817][ T7473] ? net_namespace+0x12/0x40 [ 544.261530][ T7473] ? device_namespace+0x8d/0xc0 [ 544.266603][ T7473] kobject_add_internal+0x2c8/0x960 [ 544.272355][ T7473] kobject_add+0x16f/0x240 [ 544.276973][ T7473] ? kset_create_and_add+0x190/0x190 [ 544.282509][ T7473] ? do_raw_spin_unlock+0x173/0x230 [ 544.287925][ T7473] ? kobject_put+0xbe/0x440 [ 544.292632][ T7473] ? device_add+0xc35/0x1aa0 [ 544.297392][ T7473] device_add+0x289/0x1aa0 [ 544.301932][ T7473] ? device_initialize+0x510/0x510 [ 544.307328][ T7473] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 544.315205][ T7473] ? __init_waitqueue_head+0xca/0x150 [ 544.320602][ T7473] netdev_register_kobject+0x183/0x3f0 [ 544.326080][ T7473] register_netdevice+0xbdf/0x14a0 [ 544.331813][ T7473] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 544.338098][ T7473] ? team_nl_cmd_noop+0x280/0x280 [ 544.343618][ T7473] team_newlink+0x92/0x160 [ 544.348297][ T7473] ? team_nl_cmd_noop+0x280/0x280 [ 544.353633][ T7473] ? rtnl_create_link+0xa6d/0xfd0 [ 544.359235][ T7473] __rtnl_newlink+0x1173/0x1930 [ 544.364362][ T7473] ? rtnl_link_unregister+0x260/0x260 [ 544.370132][ T7473] rtnl_newlink+0x67/0xa0 [ 544.374659][ T7473] ? __rtnl_newlink+0x1930/0x1930 [ 544.379897][ T7473] rtnetlink_rcv_msg+0x3c7/0xe00 [ 544.385304][ T7473] ? rtnl_getlink+0xb40/0xb40 [ 544.390168][ T7473] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 544.396478][ T7473] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 544.402693][ T7473] netlink_rcv_skb+0x16b/0x440 [ 544.408700][ T7473] ? rtnl_getlink+0xb40/0xb40 [ 544.415358][ T7473] ? netlink_ack+0x1370/0x1370 [ 544.420781][ T7473] ? lock_sync+0x190/0x190 [ 544.425873][ T7473] ? netlink_deliver_tap+0x1a0/0xd00 [ 544.431820][ T7473] ? _copy_from_iter+0x2c1/0x10f0 [ 544.437600][ T7473] netlink_unicast+0x53b/0x810 [ 544.442576][ T7473] ? netlink_attachskb+0x880/0x880 [ 544.447908][ T7473] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 544.454873][ T7473] ? __phys_addr_symbol+0x30/0x70 [ 544.460107][ T7473] ? __check_object_size+0x323/0x730 [ 544.465947][ T7473] netlink_sendmsg+0x93c/0xe40 [ 544.470857][ T7473] ? netlink_unicast+0x810/0x810 [ 544.476019][ T7473] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 544.481429][ T7473] ? netlink_unicast+0x810/0x810 [ 544.486732][ T7473] __sock_sendmsg+0xd5/0x180 [ 544.491783][ T7473] ____sys_sendmsg+0x6ac/0x940 [ 544.496740][ T7473] ? copy_msghdr_from_user+0x10b/0x160 [ 544.502471][ T7473] ? kernel_sendmsg+0x50/0x50 [ 544.507172][ T7473] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 544.513264][ T7473] ___sys_sendmsg+0x135/0x1d0 [ 544.517964][ T7473] ? do_recvmmsg+0x740/0x740 [ 544.522662][ T7473] ? find_held_lock+0x2d/0x110 [ 544.528257][ T7473] ? preempt_count_sub+0x150/0x150 [ 544.533523][ T7473] ? __fget_light+0x1fc/0x260 [ 544.538252][ T7473] __sys_sendmsg+0x117/0x1e0 [ 544.543050][ T7473] ? __sys_sendmsg_sock+0x30/0x30 [ 544.548457][ T7473] ? syscall_enter_from_user_mode+0x26/0x80 [ 544.554642][ T7473] do_syscall_64+0x3f/0x110 [ 544.559254][ T7473] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 544.565245][ T7473] RIP: 0033:0x7f2631248c19 [ 544.569753][ T7473] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 544.589909][ T7473] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 544.598355][ T7473] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 544.606962][ T7473] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 544.615120][ T7473] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 544.623221][ T7473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 544.631370][ T7473] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 544.640075][ T7473] [ 544.740572][ T7473] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 544.781568][ T7473] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 544.792365][ T7473] CPU: 1 PID: 7473 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 544.802730][ T7473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 544.813862][ T7473] Call Trace: [ 544.817340][ T7473] [ 544.820566][ T7473] dump_stack_lvl+0x125/0x1b0 [ 544.825662][ T7473] sysfs_warn_dup+0x7f/0xa0 [ 544.831109][ T7473] sysfs_create_dir_ns+0x247/0x2a0 [ 544.836896][ T7473] ? sysfs_create_mount_point+0xb0/0xb0 [ 544.843647][ T7473] ? spin_bug+0x1d0/0x1d0 [ 544.848207][ T7473] ? net_namespace+0x12/0x40 [ 544.852837][ T7473] ? device_namespace+0x8d/0xc0 [ 544.858531][ T7473] kobject_add_internal+0x2c8/0x960 [ 544.864831][ T7473] kobject_add+0x16f/0x240 [ 544.869902][ T7473] ? kset_create_and_add+0x190/0x190 [ 544.875334][ T7473] ? do_raw_spin_unlock+0x173/0x230 [ 544.880831][ T7473] ? kobject_put+0xbe/0x440 [ 544.885461][ T7473] ? device_add+0xc35/0x1aa0 [ 544.890374][ T7473] device_add+0x289/0x1aa0 [ 544.894923][ T7473] ? device_initialize+0x510/0x510 [ 544.900152][ T7473] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 544.907380][ T7473] ? __init_waitqueue_head+0xca/0x150 [ 544.913122][ T7473] netdev_register_kobject+0x183/0x3f0 [ 544.918692][ T7473] register_netdevice+0xbdf/0x14a0 [ 544.924251][ T7473] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 544.930413][ T7473] ? validate_linkmsg+0x6fc/0x9c0 [ 544.935731][ T7473] ? rtnl_create_link+0xa6d/0xfd0 [ 544.940948][ T7473] ? batadv_get_sset_count+0x40/0x40 [ 544.947392][ T7473] batadv_softif_newlink+0x70/0x90 [ 544.952536][ T7473] __rtnl_newlink+0x1173/0x1930 [ 544.957432][ T7473] ? rtnl_link_unregister+0x260/0x260 [ 544.963016][ T7473] rtnl_newlink+0x67/0xa0 [ 544.967468][ T7473] ? __rtnl_newlink+0x1930/0x1930 [ 544.972587][ T7473] rtnetlink_rcv_msg+0x3c7/0xe00 [ 544.977565][ T7473] ? rtnl_getlink+0xb40/0xb40 [ 544.982421][ T7473] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 544.988745][ T7473] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 544.995018][ T7473] netlink_rcv_skb+0x16b/0x440 [ 544.999893][ T7473] ? rtnl_getlink+0xb40/0xb40 [ 545.004578][ T7473] ? netlink_ack+0x1370/0x1370 [ 545.010077][ T7473] ? lock_sync+0x190/0x190 [ 545.014738][ T7473] ? netlink_deliver_tap+0x1a0/0xd00 [ 545.020302][ T7473] ? _copy_from_iter+0x2c1/0x10f0 [ 545.025706][ T7473] netlink_unicast+0x53b/0x810 [ 545.032566][ T7473] ? netlink_attachskb+0x880/0x880 [ 545.038425][ T7473] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 545.044442][ T7473] ? __phys_addr_symbol+0x30/0x70 [ 545.049486][ T7473] ? __check_object_size+0x323/0x730 [ 545.054796][ T7473] netlink_sendmsg+0x93c/0xe40 [ 545.059841][ T7473] ? netlink_unicast+0x810/0x810 [ 545.064885][ T7473] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 545.070270][ T7473] ? netlink_unicast+0x810/0x810 [ 545.075316][ T7473] __sock_sendmsg+0xd5/0x180 [ 545.080003][ T7473] ____sys_sendmsg+0x6ac/0x940 [ 545.084863][ T7473] ? copy_msghdr_from_user+0x10b/0x160 [ 545.090364][ T7473] ? kernel_sendmsg+0x50/0x50 [ 545.095689][ T7473] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 545.102772][ T7473] ___sys_sendmsg+0x135/0x1d0 [ 545.108281][ T7473] ? do_recvmmsg+0x740/0x740 [ 545.113700][ T7473] ? find_held_lock+0x2d/0x110 [ 545.119144][ T7473] ? preempt_count_sub+0x150/0x150 [ 545.124779][ T7473] ? __fget_light+0x1fc/0x260 [ 545.129799][ T7473] __sys_sendmsg+0x117/0x1e0 [ 545.134440][ T7473] ? __sys_sendmsg_sock+0x30/0x30 [ 545.139713][ T7473] ? syscall_enter_from_user_mode+0x26/0x80 [ 545.145913][ T7473] do_syscall_64+0x3f/0x110 [ 545.150626][ T7473] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 545.156925][ T7473] RIP: 0033:0x7f2631248c19 [ 545.161707][ T7473] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 545.182370][ T7473] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 545.191086][ T7473] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 545.199339][ T7473] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 545.208100][ T7473] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 545.216514][ T7473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 545.225133][ T7473] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 545.233412][ T7473] [ 545.344458][ T7473] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 545.466538][ T7485] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 545.496398][ T7485] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 545.514639][ T7485] CPU: 0 PID: 7485 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 545.525479][ T7485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 545.535738][ T7485] Call Trace: [ 545.539223][ T7485] [ 545.542299][ T7485] dump_stack_lvl+0x125/0x1b0 [ 545.547205][ T7485] sysfs_warn_dup+0x7f/0xa0 [ 545.551849][ T7485] sysfs_create_dir_ns+0x247/0x2a0 [ 545.557282][ T7485] ? sysfs_create_mount_point+0xb0/0xb0 [ 545.562966][ T7485] ? spin_bug+0x1d0/0x1d0 [ 545.567661][ T7485] ? net_namespace+0x12/0x40 [ 545.572378][ T7485] ? device_namespace+0x8d/0xc0 [ 545.577555][ T7485] kobject_add_internal+0x2c8/0x960 [ 545.582996][ T7485] kobject_add+0x16f/0x240 [ 545.587817][ T7485] ? kset_create_and_add+0x190/0x190 [ 545.593496][ T7485] ? do_raw_spin_unlock+0x173/0x230 [ 545.599084][ T7485] ? kobject_put+0xbe/0x440 [ 545.603627][ T7485] ? device_add+0xc35/0x1aa0 [ 545.608475][ T7485] device_add+0x289/0x1aa0 [ 545.613455][ T7485] ? device_initialize+0x510/0x510 [ 545.618793][ T7485] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 545.625730][ T7485] ? __init_waitqueue_head+0xca/0x150 [ 545.632803][ T7485] netdev_register_kobject+0x183/0x3f0 [ 545.638564][ T7485] register_netdevice+0xbdf/0x14a0 [ 545.643701][ T7485] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 545.649700][ T7485] ? team_nl_cmd_noop+0x280/0x280 [ 545.654830][ T7485] team_newlink+0x92/0x160 [ 545.659346][ T7485] ? team_nl_cmd_noop+0x280/0x280 [ 545.664472][ T7485] ? rtnl_create_link+0xa6d/0xfd0 [ 545.669692][ T7485] __rtnl_newlink+0x1173/0x1930 [ 545.674915][ T7485] ? rtnl_link_unregister+0x260/0x260 [ 545.680500][ T7485] rtnl_newlink+0x67/0xa0 [ 545.684933][ T7485] ? __rtnl_newlink+0x1930/0x1930 [ 545.690149][ T7485] rtnetlink_rcv_msg+0x3c7/0xe00 [ 545.695128][ T7485] ? rtnl_getlink+0xb40/0xb40 [ 545.699897][ T7485] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 545.706220][ T7485] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 545.712399][ T7485] netlink_rcv_skb+0x16b/0x440 [ 545.717177][ T7485] ? rtnl_getlink+0xb40/0xb40 [ 545.721863][ T7485] ? netlink_ack+0x1370/0x1370 [ 545.726636][ T7485] ? lock_sync+0x190/0x190 [ 545.731255][ T7485] ? netlink_deliver_tap+0x1a0/0xd00 [ 545.736644][ T7485] ? _copy_from_iter+0x2c1/0x10f0 [ 545.741785][ T7485] netlink_unicast+0x53b/0x810 [ 545.746566][ T7485] ? netlink_attachskb+0x880/0x880 [ 545.751689][ T7485] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 545.757596][ T7485] ? __phys_addr_symbol+0x30/0x70 [ 545.762718][ T7485] ? __check_object_size+0x323/0x730 [ 545.768202][ T7485] netlink_sendmsg+0x93c/0xe40 [ 545.772982][ T7485] ? netlink_unicast+0x810/0x810 [ 545.778138][ T7485] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 545.783432][ T7485] ? netlink_unicast+0x810/0x810 [ 545.788910][ T7485] __sock_sendmsg+0xd5/0x180 [ 545.793510][ T7485] ____sys_sendmsg+0x6ac/0x940 [ 545.798284][ T7485] ? copy_msghdr_from_user+0x10b/0x160 [ 545.803756][ T7485] ? kernel_sendmsg+0x50/0x50 [ 545.808775][ T7485] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 545.815077][ T7485] ___sys_sendmsg+0x135/0x1d0 [ 545.820141][ T7485] ? do_recvmmsg+0x740/0x740 [ 545.824779][ T7485] ? find_held_lock+0x2d/0x110 [ 545.829685][ T7485] ? preempt_count_sub+0x150/0x150 [ 545.835274][ T7485] ? __fget_light+0x1fc/0x260 [ 545.839970][ T7485] __sys_sendmsg+0x117/0x1e0 [ 545.844574][ T7485] ? __sys_sendmsg_sock+0x30/0x30 [ 545.849625][ T7485] ? syscall_enter_from_user_mode+0x26/0x80 [ 545.855531][ T7485] do_syscall_64+0x3f/0x110 [ 545.860061][ T7485] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 545.865992][ T7485] RIP: 0033:0x7f2631248c19 [ 545.870759][ T7485] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 545.890991][ T7485] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 545.899680][ T7485] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 545.907743][ T7485] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 545.915895][ T7485] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 545.923866][ T7485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 545.932185][ T7485] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 545.940606][ T7485] [ 545.948576][ T7485] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 545.983220][ T7485] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 545.992482][ T7485] CPU: 0 PID: 7485 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 546.002923][ T7485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 546.013466][ T7485] Call Trace: [ 546.017029][ T7485] [ 546.020081][ T7485] dump_stack_lvl+0x125/0x1b0 [ 546.025167][ T7485] sysfs_warn_dup+0x7f/0xa0 [ 546.030084][ T7485] sysfs_create_dir_ns+0x247/0x2a0 [ 546.035421][ T7485] ? sysfs_create_mount_point+0xb0/0xb0 [ 546.041332][ T7485] ? spin_bug+0x1d0/0x1d0 [ 546.045897][ T7485] ? net_namespace+0x12/0x40 [ 546.050708][ T7485] ? device_namespace+0x8d/0xc0 [ 546.055684][ T7485] kobject_add_internal+0x2c8/0x960 [ 546.061105][ T7485] kobject_add+0x16f/0x240 [ 546.065592][ T7485] ? kset_create_and_add+0x190/0x190 [ 546.071004][ T7485] ? do_raw_spin_unlock+0x173/0x230 [ 546.076416][ T7485] ? kobject_put+0xbe/0x440 [ 546.080957][ T7485] ? device_add+0xc35/0x1aa0 [ 546.085939][ T7485] device_add+0x289/0x1aa0 [ 546.090386][ T7485] ? device_initialize+0x510/0x510 [ 546.095889][ T7485] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 546.103907][ T7485] ? __init_waitqueue_head+0xca/0x150 [ 546.109525][ T7485] netdev_register_kobject+0x183/0x3f0 [ 546.115733][ T7485] register_netdevice+0xbdf/0x14a0 [ 546.121000][ T7485] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 546.127016][ T7485] ? validate_linkmsg+0x6fc/0x9c0 [ 546.132173][ T7485] ? rtnl_create_link+0xa6d/0xfd0 [ 546.137245][ T7485] ? batadv_get_sset_count+0x40/0x40 [ 546.142599][ T7485] batadv_softif_newlink+0x70/0x90 [ 546.147763][ T7485] __rtnl_newlink+0x1173/0x1930 [ 546.152766][ T7485] ? rtnl_link_unregister+0x260/0x260 [ 546.158217][ T7485] rtnl_newlink+0x67/0xa0 [ 546.162593][ T7485] ? __rtnl_newlink+0x1930/0x1930 [ 546.167654][ T7485] rtnetlink_rcv_msg+0x3c7/0xe00 [ 546.172633][ T7485] ? rtnl_getlink+0xb40/0xb40 [ 546.177340][ T7485] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 546.183360][ T7485] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 546.189841][ T7485] netlink_rcv_skb+0x16b/0x440 [ 546.194761][ T7485] ? rtnl_getlink+0xb40/0xb40 [ 546.199496][ T7485] ? netlink_ack+0x1370/0x1370 [ 546.204488][ T7485] ? lock_sync+0x190/0x190 [ 546.209246][ T7485] ? netlink_deliver_tap+0x1a0/0xd00 [ 546.214649][ T7485] ? _copy_from_iter+0x2c1/0x10f0 [ 546.219856][ T7485] netlink_unicast+0x53b/0x810 [ 546.224668][ T7485] ? netlink_attachskb+0x880/0x880 [ 546.229826][ T7485] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 546.236018][ T7485] ? __phys_addr_symbol+0x30/0x70 [ 546.241188][ T7485] ? __check_object_size+0x323/0x730 [ 546.246628][ T7485] netlink_sendmsg+0x93c/0xe40 [ 546.251635][ T7485] ? netlink_unicast+0x810/0x810 [ 546.256631][ T7485] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 546.261976][ T7485] ? netlink_unicast+0x810/0x810 [ 546.266960][ T7485] __sock_sendmsg+0xd5/0x180 [ 546.271590][ T7485] ____sys_sendmsg+0x6ac/0x940 [ 546.276562][ T7485] ? copy_msghdr_from_user+0x10b/0x160 [ 546.282490][ T7485] ? kernel_sendmsg+0x50/0x50 [ 546.287386][ T7485] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 546.293521][ T7485] ___sys_sendmsg+0x135/0x1d0 [ 546.299248][ T7485] ? do_recvmmsg+0x740/0x740 [ 546.304136][ T7485] ? find_held_lock+0x2d/0x110 [ 546.309276][ T7485] ? preempt_count_sub+0x150/0x150 [ 546.314603][ T7485] ? __fget_light+0x1fc/0x260 [ 546.319432][ T7485] __sys_sendmsg+0x117/0x1e0 [ 546.324060][ T7485] ? __sys_sendmsg_sock+0x30/0x30 [ 546.329144][ T7485] ? syscall_enter_from_user_mode+0x26/0x80 [ 546.335101][ T7485] do_syscall_64+0x3f/0x110 [ 546.339915][ T7485] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 546.345853][ T7485] RIP: 0033:0x7f2631248c19 [ 546.350297][ T7485] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 546.370658][ T7485] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 546.379538][ T7485] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 546.388069][ T7485] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 546.396082][ T7485] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 546.404101][ T7485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 546.412808][ T7485] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 546.421108][ T7485] [ 546.427622][ T7485] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 546.465949][ T7489] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 546.487483][ T7489] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 546.510560][ T7489] CPU: 1 PID: 7489 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 546.521136][ T7489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 546.531847][ T7489] Call Trace: [ 546.535155][ T7489] [ 546.538207][ T7489] dump_stack_lvl+0x125/0x1b0 [ 546.543027][ T7489] sysfs_warn_dup+0x7f/0xa0 [ 546.548105][ T7489] sysfs_create_dir_ns+0x247/0x2a0 [ 546.553450][ T7489] ? sysfs_create_mount_point+0xb0/0xb0 [ 546.559274][ T7489] ? spin_bug+0x1d0/0x1d0 [ 546.563645][ T7489] ? net_namespace+0x12/0x40 [ 546.568271][ T7489] ? device_namespace+0x8d/0xc0 [ 546.573341][ T7489] kobject_add_internal+0x2c8/0x960 [ 546.579896][ T7489] kobject_add+0x16f/0x240 [ 546.584460][ T7489] ? kset_create_and_add+0x190/0x190 [ 546.589885][ T7489] ? do_raw_spin_unlock+0x173/0x230 [ 546.595226][ T7489] ? kobject_put+0xbe/0x440 [ 546.599870][ T7489] ? device_add+0xc35/0x1aa0 [ 546.604497][ T7489] device_add+0x289/0x1aa0 [ 546.609036][ T7489] ? device_initialize+0x510/0x510 [ 546.614201][ T7489] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 546.621203][ T7489] ? __init_waitqueue_head+0xca/0x150 [ 546.626811][ T7489] netdev_register_kobject+0x183/0x3f0 [ 546.632589][ T7489] register_netdevice+0xbdf/0x14a0 [ 546.637834][ T7489] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 546.643773][ T7489] ? team_nl_cmd_noop+0x280/0x280 [ 546.648931][ T7489] team_newlink+0x92/0x160 [ 546.653477][ T7489] ? team_nl_cmd_noop+0x280/0x280 [ 546.658710][ T7489] ? rtnl_create_link+0xa6d/0xfd0 [ 546.663789][ T7489] __rtnl_newlink+0x1173/0x1930 [ 546.668787][ T7489] ? rtnl_link_unregister+0x260/0x260 [ 546.674227][ T7489] rtnl_newlink+0x67/0xa0 [ 546.678676][ T7489] ? __rtnl_newlink+0x1930/0x1930 [ 546.683729][ T7489] rtnetlink_rcv_msg+0x3c7/0xe00 [ 546.688792][ T7489] ? rtnl_getlink+0xb40/0xb40 [ 546.693490][ T7489] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 546.699506][ T7489] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 546.705627][ T7489] netlink_rcv_skb+0x16b/0x440 [ 546.710434][ T7489] ? rtnl_getlink+0xb40/0xb40 [ 546.715241][ T7489] ? netlink_ack+0x1370/0x1370 [ 546.720244][ T7489] ? lock_sync+0x190/0x190 [ 546.724800][ T7489] ? netlink_deliver_tap+0x1a0/0xd00 [ 546.730857][ T7489] ? _copy_from_iter+0x2c1/0x10f0 [ 546.736200][ T7489] netlink_unicast+0x53b/0x810 [ 546.741190][ T7489] ? netlink_attachskb+0x880/0x880 [ 546.746509][ T7489] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 546.752619][ T7489] ? __phys_addr_symbol+0x30/0x70 [ 546.758149][ T7489] ? __check_object_size+0x323/0x730 [ 546.763577][ T7489] netlink_sendmsg+0x93c/0xe40 [ 546.768565][ T7489] ? netlink_unicast+0x810/0x810 [ 546.773550][ T7489] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 546.780191][ T7489] ? netlink_unicast+0x810/0x810 [ 546.785424][ T7489] __sock_sendmsg+0xd5/0x180 [ 546.790299][ T7489] ____sys_sendmsg+0x6ac/0x940 [ 546.795124][ T7489] ? copy_msghdr_from_user+0x10b/0x160 [ 546.800713][ T7489] ? kernel_sendmsg+0x50/0x50 [ 546.805606][ T7489] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 546.811644][ T7489] ___sys_sendmsg+0x135/0x1d0 [ 546.816452][ T7489] ? do_recvmmsg+0x740/0x740 [ 546.821190][ T7489] ? find_held_lock+0x2d/0x110 [ 546.826177][ T7489] ? preempt_count_sub+0x150/0x150 [ 546.831539][ T7489] ? __fget_light+0x1fc/0x260 [ 546.836426][ T7489] __sys_sendmsg+0x117/0x1e0 [ 546.841142][ T7489] ? __sys_sendmsg_sock+0x30/0x30 [ 546.846194][ T7489] ? xfd_validate_state+0x5d/0x180 [ 546.851489][ T7489] ? syscall_enter_from_user_mode+0x26/0x80 [ 546.857427][ T7489] do_syscall_64+0x3f/0x110 [ 546.862146][ T7489] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 546.868239][ T7489] RIP: 0033:0x7f2631248c19 [ 546.872867][ T7489] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 546.893215][ T7489] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 546.902441][ T7489] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 546.910618][ T7489] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 546.918619][ T7489] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 546.927325][ T7489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 546.935591][ T7489] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 546.943894][ T7489] [ 546.969487][ T7489] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 547.032248][ T7489] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 547.052142][ T7489] CPU: 1 PID: 7489 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 547.062381][ T7489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 547.072589][ T7489] Call Trace: [ 547.075902][ T7489] [ 547.078833][ T7489] dump_stack_lvl+0x125/0x1b0 [ 547.083647][ T7489] sysfs_warn_dup+0x7f/0xa0 [ 547.088317][ T7489] sysfs_create_dir_ns+0x247/0x2a0 [ 547.093537][ T7489] ? sysfs_create_mount_point+0xb0/0xb0 [ 547.099303][ T7489] ? spin_bug+0x1d0/0x1d0 [ 547.103673][ T7489] ? net_namespace+0x12/0x40 [ 547.108474][ T7489] ? device_namespace+0x8d/0xc0 [ 547.113359][ T7489] kobject_add_internal+0x2c8/0x960 [ 547.118701][ T7489] kobject_add+0x16f/0x240 [ 547.123140][ T7489] ? kset_create_and_add+0x190/0x190 [ 547.128439][ T7489] ? do_raw_spin_unlock+0x173/0x230 [ 547.133680][ T7489] ? kobject_put+0xbe/0x440 [ 547.138208][ T7489] ? device_add+0xc35/0x1aa0 [ 547.142813][ T7489] device_add+0x289/0x1aa0 [ 547.147252][ T7489] ? device_initialize+0x510/0x510 [ 547.152381][ T7489] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 547.159330][ T7489] ? __init_waitqueue_head+0xca/0x150 [ 547.164724][ T7489] netdev_register_kobject+0x183/0x3f0 [ 547.170221][ T7489] register_netdevice+0xbdf/0x14a0 [ 547.175638][ T7489] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 547.181725][ T7489] ? validate_linkmsg+0x6fc/0x9c0 [ 547.187323][ T7489] ? rtnl_create_link+0xa6d/0xfd0 [ 547.195070][ T7489] ? batadv_get_sset_count+0x40/0x40 [ 547.200373][ T7489] batadv_softif_newlink+0x70/0x90 [ 547.205636][ T7489] __rtnl_newlink+0x1173/0x1930 [ 547.211501][ T7489] ? rtnl_link_unregister+0x260/0x260 [ 547.216951][ T7489] rtnl_newlink+0x67/0xa0 [ 547.221551][ T7489] ? __rtnl_newlink+0x1930/0x1930 [ 547.226962][ T7489] rtnetlink_rcv_msg+0x3c7/0xe00 [ 547.231967][ T7489] ? rtnl_getlink+0xb40/0xb40 [ 547.237403][ T7489] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 547.243576][ T7489] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 547.249754][ T7489] netlink_rcv_skb+0x16b/0x440 [ 547.254622][ T7489] ? rtnl_getlink+0xb40/0xb40 [ 547.259742][ T7489] ? netlink_ack+0x1370/0x1370 [ 547.264601][ T7489] ? lock_sync+0x190/0x190 [ 547.269046][ T7489] ? netlink_deliver_tap+0x1a0/0xd00 [ 547.274345][ T7489] ? _copy_from_iter+0x2c1/0x10f0 [ 547.279501][ T7489] netlink_unicast+0x53b/0x810 [ 547.284730][ T7489] ? netlink_attachskb+0x880/0x880 [ 547.289962][ T7489] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 547.296059][ T7489] ? __phys_addr_symbol+0x30/0x70 [ 547.301396][ T7489] ? __check_object_size+0x323/0x730 [ 547.307006][ T7489] netlink_sendmsg+0x93c/0xe40 [ 547.311817][ T7489] ? netlink_unicast+0x810/0x810 [ 547.317058][ T7489] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 547.322443][ T7489] ? netlink_unicast+0x810/0x810 [ 547.327484][ T7489] __sock_sendmsg+0xd5/0x180 [ 547.332208][ T7489] ____sys_sendmsg+0x6ac/0x940 [ 547.337516][ T7489] ? copy_msghdr_from_user+0x10b/0x160 [ 547.342997][ T7489] ? kernel_sendmsg+0x50/0x50 [ 547.347859][ T7489] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 547.354276][ T7489] ___sys_sendmsg+0x135/0x1d0 [ 547.359070][ T7489] ? do_recvmmsg+0x740/0x740 [ 547.363978][ T7489] ? find_held_lock+0x2d/0x110 [ 547.368886][ T7489] ? preempt_count_sub+0x150/0x150 [ 547.374210][ T7489] ? __fget_light+0x1fc/0x260 [ 547.378940][ T7489] __sys_sendmsg+0x117/0x1e0 [ 547.383721][ T7489] ? __sys_sendmsg_sock+0x30/0x30 [ 547.388779][ T7489] ? syscall_enter_from_user_mode+0x26/0x80 [ 547.394870][ T7489] do_syscall_64+0x3f/0x110 [ 547.399394][ T7489] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 547.406018][ T7489] RIP: 0033:0x7f2631248c19 [ 547.410440][ T7489] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 547.431208][ T7489] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 547.440073][ T7489] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 547.448337][ T7489] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 547.456763][ T7489] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 547.464839][ T7489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 547.472834][ T7489] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 547.480934][ T7489] [ 547.544212][ T7489] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 547.656741][ T7503] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 547.686398][ T7503] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 547.696109][ T7503] CPU: 1 PID: 7503 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 547.706232][ T7503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 547.716849][ T7503] Call Trace: [ 547.720196][ T7503] [ 547.723157][ T7503] dump_stack_lvl+0x125/0x1b0 [ 547.727982][ T7503] sysfs_warn_dup+0x7f/0xa0 [ 547.732529][ T7503] sysfs_create_dir_ns+0x247/0x2a0 [ 547.737681][ T7503] ? sysfs_create_mount_point+0xb0/0xb0 [ 547.743372][ T7503] ? spin_bug+0x1d0/0x1d0 [ 547.747759][ T7503] ? net_namespace+0x12/0x40 [ 547.752474][ T7503] ? device_namespace+0x8d/0xc0 [ 547.757375][ T7503] kobject_add_internal+0x2c8/0x960 [ 547.762711][ T7503] kobject_add+0x16f/0x240 [ 547.767169][ T7503] ? kset_create_and_add+0x190/0x190 [ 547.772502][ T7503] ? do_raw_spin_unlock+0x173/0x230 [ 547.777840][ T7503] ? kobject_put+0xbe/0x440 [ 547.782410][ T7503] ? device_add+0xc35/0x1aa0 [ 547.787239][ T7503] device_add+0x289/0x1aa0 [ 547.792184][ T7503] ? device_initialize+0x510/0x510 [ 547.797641][ T7503] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 547.805671][ T7503] ? __init_waitqueue_head+0xca/0x150 [ 547.811080][ T7503] netdev_register_kobject+0x183/0x3f0 [ 547.816689][ T7503] register_netdevice+0xbdf/0x14a0 [ 547.821994][ T7503] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 547.827928][ T7503] ? team_nl_cmd_noop+0x280/0x280 [ 547.833338][ T7503] team_newlink+0x92/0x160 [ 547.837962][ T7503] ? team_nl_cmd_noop+0x280/0x280 [ 547.843031][ T7503] ? rtnl_create_link+0xa6d/0xfd0 [ 547.848278][ T7503] __rtnl_newlink+0x1173/0x1930 [ 547.853220][ T7503] ? rtnl_link_unregister+0x260/0x260 [ 547.858897][ T7503] rtnl_newlink+0x67/0xa0 [ 547.863510][ T7503] ? __rtnl_newlink+0x1930/0x1930 [ 547.868802][ T7503] rtnetlink_rcv_msg+0x3c7/0xe00 [ 547.874010][ T7503] ? rtnl_getlink+0xb40/0xb40 [ 547.878808][ T7503] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 547.884981][ T7503] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 547.891158][ T7503] netlink_rcv_skb+0x16b/0x440 [ 547.896309][ T7503] ? rtnl_getlink+0xb40/0xb40 [ 547.900994][ T7503] ? netlink_ack+0x1370/0x1370 [ 547.906027][ T7503] ? lock_sync+0x190/0x190 [ 547.910479][ T7503] ? netlink_deliver_tap+0x1a0/0xd00 [ 547.915956][ T7503] ? _copy_from_iter+0x2c1/0x10f0 [ 547.921088][ T7503] netlink_unicast+0x53b/0x810 [ 547.925954][ T7503] ? netlink_attachskb+0x880/0x880 [ 547.931093][ T7503] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 547.937009][ T7503] ? __phys_addr_symbol+0x30/0x70 [ 547.942154][ T7503] ? __check_object_size+0x323/0x730 [ 547.947557][ T7503] netlink_sendmsg+0x93c/0xe40 [ 547.952476][ T7503] ? netlink_unicast+0x810/0x810 [ 547.957464][ T7503] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 547.963049][ T7503] ? netlink_unicast+0x810/0x810 [ 547.968105][ T7503] __sock_sendmsg+0xd5/0x180 [ 547.972711][ T7503] ____sys_sendmsg+0x6ac/0x940 [ 547.977491][ T7503] ? copy_msghdr_from_user+0x10b/0x160 [ 547.983050][ T7503] ? kernel_sendmsg+0x50/0x50 [ 547.987745][ T7503] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 547.993952][ T7503] ___sys_sendmsg+0x135/0x1d0 [ 547.999178][ T7503] ? do_recvmmsg+0x740/0x740 [ 548.003876][ T7503] ? find_held_lock+0x2d/0x110 [ 548.008962][ T7503] ? preempt_count_sub+0x150/0x150 [ 548.014413][ T7503] ? __fget_light+0x1fc/0x260 [ 548.019151][ T7503] __sys_sendmsg+0x117/0x1e0 [ 548.023770][ T7503] ? __sys_sendmsg_sock+0x30/0x30 [ 548.029003][ T7503] ? syscall_enter_from_user_mode+0x26/0x80 [ 548.035274][ T7503] do_syscall_64+0x3f/0x110 [ 548.039999][ T7503] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 548.046477][ T7503] RIP: 0033:0x7f2631248c19 [ 548.051007][ T7503] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 548.071013][ T7503] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 548.080072][ T7503] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 548.088407][ T7503] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 548.096649][ T7503] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 548.104630][ T7503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 548.113469][ T7503] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 548.121646][ T7503] [ 548.127698][ T7503] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 548.159399][ T7503] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 548.169070][ T7503] CPU: 1 PID: 7503 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 548.179430][ T7503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 548.189777][ T7503] Call Trace: [ 548.193072][ T7503] [ 548.196119][ T7503] dump_stack_lvl+0x125/0x1b0 [ 548.201195][ T7503] sysfs_warn_dup+0x7f/0xa0 [ 548.206359][ T7503] sysfs_create_dir_ns+0x247/0x2a0 [ 548.211708][ T7503] ? sysfs_create_mount_point+0xb0/0xb0 [ 548.217496][ T7503] ? spin_bug+0x1d0/0x1d0 [ 548.222397][ T7503] ? net_namespace+0x12/0x40 [ 548.227103][ T7503] ? device_namespace+0x8d/0xc0 [ 548.232200][ T7503] kobject_add_internal+0x2c8/0x960 [ 548.237641][ T7503] kobject_add+0x16f/0x240 [ 548.242194][ T7503] ? kset_create_and_add+0x190/0x190 [ 548.247535][ T7503] ? do_raw_spin_unlock+0x173/0x230 [ 548.253684][ T7503] ? kobject_put+0xbe/0x440 [ 548.258594][ T7503] ? device_add+0xc35/0x1aa0 [ 548.263689][ T7503] device_add+0x289/0x1aa0 [ 548.268340][ T7503] ? device_initialize+0x510/0x510 [ 548.274040][ T7503] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 548.281059][ T7503] ? __init_waitqueue_head+0xca/0x150 [ 548.286694][ T7503] netdev_register_kobject+0x183/0x3f0 [ 548.292637][ T7503] register_netdevice+0xbdf/0x14a0 [ 548.297794][ T7503] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 548.303718][ T7503] ? validate_linkmsg+0x6fc/0x9c0 [ 548.309414][ T7503] ? rtnl_create_link+0xa6d/0xfd0 [ 548.314570][ T7503] ? batadv_get_sset_count+0x40/0x40 [ 548.319999][ T7503] batadv_softif_newlink+0x70/0x90 [ 548.325330][ T7503] __rtnl_newlink+0x1173/0x1930 [ 548.330275][ T7503] ? rtnl_link_unregister+0x260/0x260 [ 548.336678][ T7503] rtnl_newlink+0x67/0xa0 [ 548.341079][ T7503] ? __rtnl_newlink+0x1930/0x1930 [ 548.346138][ T7503] rtnetlink_rcv_msg+0x3c7/0xe00 [ 548.351375][ T7503] ? rtnl_getlink+0xb40/0xb40 [ 548.356079][ T7503] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 548.362187][ T7503] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 548.368405][ T7503] netlink_rcv_skb+0x16b/0x440 [ 548.373599][ T7503] ? rtnl_getlink+0xb40/0xb40 [ 548.378402][ T7503] ? netlink_ack+0x1370/0x1370 [ 548.383284][ T7503] ? lock_sync+0x190/0x190 [ 548.387850][ T7503] ? netlink_deliver_tap+0x1a0/0xd00 [ 548.393312][ T7503] ? _copy_from_iter+0x2c1/0x10f0 [ 548.398464][ T7503] netlink_unicast+0x53b/0x810 [ 548.403615][ T7503] ? netlink_attachskb+0x880/0x880 [ 548.409400][ T7503] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 548.415681][ T7503] ? __phys_addr_symbol+0x30/0x70 [ 548.421345][ T7503] ? __check_object_size+0x323/0x730 [ 548.427200][ T7503] netlink_sendmsg+0x93c/0xe40 [ 548.432291][ T7503] ? netlink_unicast+0x810/0x810 [ 548.437651][ T7503] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 548.444339][ T7503] ? netlink_unicast+0x810/0x810 [ 548.449599][ T7503] __sock_sendmsg+0xd5/0x180 [ 548.454524][ T7503] ____sys_sendmsg+0x6ac/0x940 [ 548.459420][ T7503] ? copy_msghdr_from_user+0x10b/0x160 [ 548.465176][ T7503] ? kernel_sendmsg+0x50/0x50 [ 548.470078][ T7503] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 548.476387][ T7503] ___sys_sendmsg+0x135/0x1d0 [ 548.481617][ T7503] ? do_recvmmsg+0x740/0x740 [ 548.486408][ T7503] ? find_held_lock+0x2d/0x110 [ 548.491230][ T7503] ? preempt_count_sub+0x150/0x150 [ 548.496407][ T7503] ? __fget_light+0x1fc/0x260 [ 548.501426][ T7503] __sys_sendmsg+0x117/0x1e0 [ 548.506267][ T7503] ? __sys_sendmsg_sock+0x30/0x30 [ 548.511355][ T7503] ? syscall_enter_from_user_mode+0x26/0x80 [ 548.517294][ T7503] do_syscall_64+0x3f/0x110 [ 548.521863][ T7503] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 548.527803][ T7503] RIP: 0033:0x7f2631248c19 [ 548.532251][ T7503] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 548.551991][ T7503] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 548.560537][ T7503] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 548.568562][ T7503] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 548.577267][ T7503] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 548.585358][ T7503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 548.593788][ T7503] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 548.601830][ T7503] [ 548.606747][ T7503] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 548.669483][ T7505] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 548.696334][ T7505] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 548.715044][ T7505] CPU: 0 PID: 7505 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 548.726122][ T7505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 548.736888][ T7505] Call Trace: [ 548.740455][ T7505] [ 548.743388][ T7505] dump_stack_lvl+0x125/0x1b0 [ 548.748310][ T7505] sysfs_warn_dup+0x7f/0xa0 [ 548.753310][ T7505] sysfs_create_dir_ns+0x247/0x2a0 [ 548.758676][ T7505] ? sysfs_create_mount_point+0xb0/0xb0 [ 548.764427][ T7505] ? spin_bug+0x1d0/0x1d0 [ 548.768775][ T7505] ? net_namespace+0x12/0x40 [ 548.773375][ T7505] ? device_namespace+0x8d/0xc0 [ 548.778505][ T7505] kobject_add_internal+0x2c8/0x960 [ 548.783756][ T7505] kobject_add+0x16f/0x240 [ 548.788195][ T7505] ? kset_create_and_add+0x190/0x190 [ 548.793608][ T7505] ? do_raw_spin_unlock+0x173/0x230 [ 548.798864][ T7505] ? kobject_put+0xbe/0x440 [ 548.803399][ T7505] ? device_add+0xc35/0x1aa0 [ 548.808010][ T7505] device_add+0x289/0x1aa0 [ 548.812626][ T7505] ? device_initialize+0x510/0x510 [ 548.817843][ T7505] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 548.824895][ T7505] ? __init_waitqueue_head+0xca/0x150 [ 548.830409][ T7505] netdev_register_kobject+0x183/0x3f0 [ 548.836082][ T7505] register_netdevice+0xbdf/0x14a0 [ 548.841510][ T7505] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 548.847618][ T7505] ? team_nl_cmd_noop+0x280/0x280 [ 548.852801][ T7505] team_newlink+0x92/0x160 [ 548.857280][ T7505] ? team_nl_cmd_noop+0x280/0x280 [ 548.862771][ T7505] ? rtnl_create_link+0xa6d/0xfd0 [ 548.868062][ T7505] __rtnl_newlink+0x1173/0x1930 [ 548.873409][ T7505] ? rtnl_link_unregister+0x260/0x260 [ 548.879124][ T7505] rtnl_newlink+0x67/0xa0 [ 548.883600][ T7505] ? __rtnl_newlink+0x1930/0x1930 [ 548.888940][ T7505] rtnetlink_rcv_msg+0x3c7/0xe00 [ 548.894032][ T7505] ? rtnl_getlink+0xb40/0xb40 [ 548.899035][ T7505] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 548.905669][ T7505] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 548.912039][ T7505] netlink_rcv_skb+0x16b/0x440 [ 548.916930][ T7505] ? rtnl_getlink+0xb40/0xb40 [ 548.921891][ T7505] ? netlink_ack+0x1370/0x1370 [ 548.927426][ T7505] ? lock_sync+0x190/0x190 [ 548.931961][ T7505] ? netlink_deliver_tap+0x1a0/0xd00 [ 548.937778][ T7505] ? _copy_from_iter+0x2c1/0x10f0 [ 548.943172][ T7505] netlink_unicast+0x53b/0x810 [ 548.947955][ T7505] ? netlink_attachskb+0x880/0x880 [ 548.953221][ T7505] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 548.959167][ T7505] ? __phys_addr_symbol+0x30/0x70 [ 548.964230][ T7505] ? __check_object_size+0x323/0x730 [ 548.969824][ T7505] netlink_sendmsg+0x93c/0xe40 [ 548.975010][ T7505] ? netlink_unicast+0x810/0x810 [ 548.981407][ T7505] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 548.987364][ T7505] ? netlink_unicast+0x810/0x810 [ 548.992614][ T7505] __sock_sendmsg+0xd5/0x180 [ 548.999485][ T7505] ____sys_sendmsg+0x6ac/0x940 [ 549.004824][ T7505] ? copy_msghdr_from_user+0x10b/0x160 [ 549.011031][ T7505] ? kernel_sendmsg+0x50/0x50 [ 549.016752][ T7505] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 549.023433][ T7505] ___sys_sendmsg+0x135/0x1d0 [ 549.028577][ T7505] ? do_recvmmsg+0x740/0x740 [ 549.033292][ T7505] ? find_held_lock+0x2d/0x110 [ 549.039066][ T7505] ? preempt_count_sub+0x150/0x150 [ 549.044310][ T7505] ? __fget_light+0x1fc/0x260 [ 549.049185][ T7505] __sys_sendmsg+0x117/0x1e0 [ 549.053940][ T7505] ? __sys_sendmsg_sock+0x30/0x30 [ 549.059777][ T7505] ? syscall_enter_from_user_mode+0x26/0x80 [ 549.066153][ T7505] do_syscall_64+0x3f/0x110 [ 549.070768][ T7505] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 549.076709][ T7505] RIP: 0033:0x7f2631248c19 [ 549.081489][ T7505] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 549.103387][ T7505] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 549.112770][ T7505] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 549.120850][ T7505] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 549.129697][ T7505] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 549.138134][ T7505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 549.146204][ T7505] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 549.154556][ T7505] [ 549.233179][ T7505] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 549.269164][ T7505] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 549.279181][ T7505] CPU: 0 PID: 7505 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 549.290299][ T7505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 549.301171][ T7505] Call Trace: [ 549.304991][ T7505] [ 549.308373][ T7505] dump_stack_lvl+0x125/0x1b0 [ 549.313102][ T7505] sysfs_warn_dup+0x7f/0xa0 [ 549.318002][ T7505] sysfs_create_dir_ns+0x247/0x2a0 [ 549.323349][ T7505] ? sysfs_create_mount_point+0xb0/0xb0 [ 549.329819][ T7505] ? spin_bug+0x1d0/0x1d0 [ 549.334779][ T7505] ? net_namespace+0x12/0x40 [ 549.339870][ T7505] ? device_namespace+0x8d/0xc0 [ 549.344774][ T7505] kobject_add_internal+0x2c8/0x960 [ 549.351070][ T7505] kobject_add+0x16f/0x240 [ 549.355622][ T7505] ? kset_create_and_add+0x190/0x190 [ 549.361040][ T7505] ? do_raw_spin_unlock+0x173/0x230 [ 549.366372][ T7505] ? kobject_put+0xbe/0x440 [ 549.371717][ T7505] ? device_add+0xc35/0x1aa0 [ 549.376451][ T7505] device_add+0x289/0x1aa0 [ 549.381012][ T7505] ? device_initialize+0x510/0x510 [ 549.386185][ T7505] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 549.393519][ T7505] ? __init_waitqueue_head+0xca/0x150 [ 549.398983][ T7505] netdev_register_kobject+0x183/0x3f0 [ 549.404582][ T7505] register_netdevice+0xbdf/0x14a0 [ 549.410081][ T7505] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 549.416209][ T7505] ? validate_linkmsg+0x6fc/0x9c0 [ 549.422272][ T7505] ? rtnl_create_link+0xa6d/0xfd0 [ 549.428045][ T7505] ? batadv_get_sset_count+0x40/0x40 [ 549.433473][ T7505] batadv_softif_newlink+0x70/0x90 [ 549.438718][ T7505] __rtnl_newlink+0x1173/0x1930 [ 549.443733][ T7505] ? rtnl_link_unregister+0x260/0x260 [ 549.449721][ T7505] rtnl_newlink+0x67/0xa0 [ 549.455072][ T7505] ? __rtnl_newlink+0x1930/0x1930 [ 549.460299][ T7505] rtnetlink_rcv_msg+0x3c7/0xe00 [ 549.466071][ T7505] ? rtnl_getlink+0xb40/0xb40 [ 549.470959][ T7505] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 549.477257][ T7505] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 549.483386][ T7505] netlink_rcv_skb+0x16b/0x440 [ 549.488470][ T7505] ? rtnl_getlink+0xb40/0xb40 [ 549.493196][ T7505] ? netlink_ack+0x1370/0x1370 [ 549.498358][ T7505] ? lock_sync+0x190/0x190 [ 549.502835][ T7505] ? netlink_deliver_tap+0x1a0/0xd00 [ 549.508153][ T7505] ? _copy_from_iter+0x2c1/0x10f0 [ 549.513308][ T7505] netlink_unicast+0x53b/0x810 [ 549.518458][ T7505] ? netlink_attachskb+0x880/0x880 [ 549.523802][ T7505] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 549.529911][ T7505] ? __phys_addr_symbol+0x30/0x70 [ 549.535104][ T7505] ? __check_object_size+0x323/0x730 [ 549.540535][ T7505] netlink_sendmsg+0x93c/0xe40 [ 549.545608][ T7505] ? netlink_unicast+0x810/0x810 [ 549.550671][ T7505] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 549.555982][ T7505] ? netlink_unicast+0x810/0x810 [ 549.560953][ T7505] __sock_sendmsg+0xd5/0x180 [ 549.565740][ T7505] ____sys_sendmsg+0x6ac/0x940 [ 549.570616][ T7505] ? copy_msghdr_from_user+0x10b/0x160 [ 549.576109][ T7505] ? kernel_sendmsg+0x50/0x50 [ 549.581016][ T7505] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 549.587303][ T7505] ___sys_sendmsg+0x135/0x1d0 [ 549.592033][ T7505] ? do_recvmmsg+0x740/0x740 [ 549.596846][ T7505] ? find_held_lock+0x2d/0x110 [ 549.601739][ T7505] ? preempt_count_sub+0x150/0x150 [ 549.606907][ T7505] ? __fget_light+0x1fc/0x260 [ 549.611691][ T7505] __sys_sendmsg+0x117/0x1e0 [ 549.616404][ T7505] ? __sys_sendmsg_sock+0x30/0x30 [ 549.621548][ T7505] ? syscall_enter_from_user_mode+0x26/0x80 [ 549.627544][ T7505] do_syscall_64+0x3f/0x110 [ 549.632328][ T7505] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 549.638321][ T7505] RIP: 0033:0x7f2631248c19 [ 549.643263][ T7505] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 549.663586][ T7505] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 549.672617][ T7505] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 549.680766][ T7505] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 549.689140][ T7505] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 549.698282][ T7505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 549.706613][ T7505] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 549.714887][ T7505] [ 549.773998][ T7505] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 549.867970][ T7510] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 549.896193][ T7510] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 549.914403][ T7510] CPU: 1 PID: 7510 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 549.924972][ T7510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 549.935328][ T7510] Call Trace: [ 549.938741][ T7510] [ 549.941733][ T7510] dump_stack_lvl+0x125/0x1b0 [ 549.946778][ T7510] sysfs_warn_dup+0x7f/0xa0 [ 549.951698][ T7510] sysfs_create_dir_ns+0x247/0x2a0 [ 549.956960][ T7510] ? sysfs_create_mount_point+0xb0/0xb0 [ 549.962680][ T7510] ? spin_bug+0x1d0/0x1d0 [ 549.967444][ T7510] ? net_namespace+0x12/0x40 [ 549.973194][ T7510] ? device_namespace+0x8d/0xc0 [ 549.978727][ T7510] kobject_add_internal+0x2c8/0x960 [ 549.984686][ T7510] kobject_add+0x16f/0x240 [ 549.989344][ T7510] ? kset_create_and_add+0x190/0x190 [ 549.994700][ T7510] ? do_raw_spin_unlock+0x173/0x230 [ 550.000353][ T7510] ? kobject_put+0xbe/0x440 [ 550.005318][ T7510] ? device_add+0xc35/0x1aa0 [ 550.010233][ T7510] device_add+0x289/0x1aa0 [ 550.015197][ T7510] ? device_initialize+0x510/0x510 [ 550.020699][ T7510] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 550.028244][ T7510] ? __init_waitqueue_head+0xca/0x150 [ 550.033857][ T7510] netdev_register_kobject+0x183/0x3f0 [ 550.039551][ T7510] register_netdevice+0xbdf/0x14a0 [ 550.044982][ T7510] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 550.051202][ T7510] ? team_nl_cmd_noop+0x280/0x280 [ 550.056279][ T7510] team_newlink+0x92/0x160 [ 550.060850][ T7510] ? team_nl_cmd_noop+0x280/0x280 [ 550.066449][ T7510] ? rtnl_create_link+0xa6d/0xfd0 [ 550.071806][ T7510] __rtnl_newlink+0x1173/0x1930 [ 550.076903][ T7510] ? rtnl_link_unregister+0x260/0x260 [ 550.082718][ T7510] rtnl_newlink+0x67/0xa0 [ 550.087358][ T7510] ? __rtnl_newlink+0x1930/0x1930 [ 550.092529][ T7510] rtnetlink_rcv_msg+0x3c7/0xe00 [ 550.100302][ T7510] ? rtnl_getlink+0xb40/0xb40 [ 550.106596][ T7510] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 550.113094][ T7510] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 550.119336][ T7510] netlink_rcv_skb+0x16b/0x440 [ 550.124157][ T7510] ? rtnl_getlink+0xb40/0xb40 [ 550.129015][ T7510] ? netlink_ack+0x1370/0x1370 [ 550.134180][ T7510] ? lock_sync+0x190/0x190 [ 550.138856][ T7510] ? netlink_deliver_tap+0x1a0/0xd00 [ 550.144816][ T7510] ? _copy_from_iter+0x2c1/0x10f0 [ 550.150452][ T7510] netlink_unicast+0x53b/0x810 [ 550.155457][ T7510] ? netlink_attachskb+0x880/0x880 [ 550.160622][ T7510] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 550.166570][ T7510] ? __phys_addr_symbol+0x30/0x70 [ 550.172514][ T7510] ? __check_object_size+0x323/0x730 [ 550.178038][ T7510] netlink_sendmsg+0x93c/0xe40 [ 550.183231][ T7510] ? netlink_unicast+0x810/0x810 [ 550.188751][ T7510] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 550.194801][ T7510] ? netlink_unicast+0x810/0x810 [ 550.199800][ T7510] __sock_sendmsg+0xd5/0x180 [ 550.204705][ T7510] ____sys_sendmsg+0x6ac/0x940 [ 550.210075][ T7510] ? copy_msghdr_from_user+0x10b/0x160 [ 550.215801][ T7510] ? kernel_sendmsg+0x50/0x50 [ 550.220631][ T7510] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 550.227646][ T7510] ___sys_sendmsg+0x135/0x1d0 [ 550.232727][ T7510] ? do_recvmmsg+0x740/0x740 [ 550.237541][ T7510] ? find_held_lock+0x2d/0x110 [ 550.242621][ T7510] ? preempt_count_sub+0x150/0x150 [ 550.248857][ T7510] ? __fget_light+0x1fc/0x260 [ 550.253793][ T7510] __sys_sendmsg+0x117/0x1e0 [ 550.258712][ T7510] ? __sys_sendmsg_sock+0x30/0x30 [ 550.264124][ T7510] ? syscall_enter_from_user_mode+0x26/0x80 [ 550.270285][ T7510] do_syscall_64+0x3f/0x110 [ 550.274868][ T7510] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 550.280900][ T7510] RIP: 0033:0x7f2631248c19 [ 550.285452][ T7510] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 550.306070][ T7510] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 550.314888][ T7510] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 550.323355][ T7510] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 550.331624][ T7510] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 550.340108][ T7510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 550.348546][ T7510] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 550.356674][ T7510] [ 550.361686][ T7510] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 550.392508][ T7510] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 550.401908][ T7510] CPU: 1 PID: 7510 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 550.412458][ T7510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 550.422938][ T7510] Call Trace: [ 550.426705][ T7510] [ 550.429904][ T7510] dump_stack_lvl+0x125/0x1b0 [ 550.435083][ T7510] sysfs_warn_dup+0x7f/0xa0 [ 550.439736][ T7510] sysfs_create_dir_ns+0x247/0x2a0 [ 550.444909][ T7510] ? sysfs_create_mount_point+0xb0/0xb0 [ 550.450603][ T7510] ? spin_bug+0x1d0/0x1d0 [ 550.455082][ T7510] ? net_namespace+0x12/0x40 [ 550.459805][ T7510] ? device_namespace+0x8d/0xc0 [ 550.464899][ T7510] kobject_add_internal+0x2c8/0x960 [ 550.470243][ T7510] kobject_add+0x16f/0x240 [ 550.474871][ T7510] ? kset_create_and_add+0x190/0x190 [ 550.480182][ T7510] ? do_raw_spin_unlock+0x173/0x230 [ 550.485400][ T7510] ? kobject_put+0xbe/0x440 [ 550.490018][ T7510] ? device_add+0xc35/0x1aa0 [ 550.494819][ T7510] device_add+0x289/0x1aa0 [ 550.499351][ T7510] ? device_initialize+0x510/0x510 [ 550.504483][ T7510] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 550.511439][ T7510] ? __init_waitqueue_head+0xca/0x150 [ 550.516831][ T7510] netdev_register_kobject+0x183/0x3f0 [ 550.522308][ T7510] register_netdevice+0xbdf/0x14a0 [ 550.527437][ T7510] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 550.533433][ T7510] ? validate_linkmsg+0x6fc/0x9c0 [ 550.538477][ T7510] ? rtnl_create_link+0xa6d/0xfd0 [ 550.543782][ T7510] ? batadv_get_sset_count+0x40/0x40 [ 550.549101][ T7510] batadv_softif_newlink+0x70/0x90 [ 550.554239][ T7510] __rtnl_newlink+0x1173/0x1930 [ 550.559114][ T7510] ? rtnl_link_unregister+0x260/0x260 [ 550.564612][ T7510] rtnl_newlink+0x67/0xa0 [ 550.569296][ T7510] ? __rtnl_newlink+0x1930/0x1930 [ 550.574516][ T7510] rtnetlink_rcv_msg+0x3c7/0xe00 [ 550.579473][ T7510] ? rtnl_getlink+0xb40/0xb40 [ 550.584422][ T7510] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 550.592606][ T7510] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 550.598918][ T7510] netlink_rcv_skb+0x16b/0x440 [ 550.604141][ T7510] ? rtnl_getlink+0xb40/0xb40 [ 550.608833][ T7510] ? netlink_ack+0x1370/0x1370 [ 550.613782][ T7510] ? lock_sync+0x190/0x190 [ 550.618348][ T7510] ? netlink_deliver_tap+0x1a0/0xd00 [ 550.624004][ T7510] ? _copy_from_iter+0x2c1/0x10f0 [ 550.629253][ T7510] netlink_unicast+0x53b/0x810 [ 550.635423][ T7510] ? netlink_attachskb+0x880/0x880 [ 550.640929][ T7510] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 550.646939][ T7510] ? __phys_addr_symbol+0x30/0x70 [ 550.652341][ T7510] ? __check_object_size+0x323/0x730 [ 550.658457][ T7510] netlink_sendmsg+0x93c/0xe40 [ 550.663796][ T7510] ? netlink_unicast+0x810/0x810 [ 550.669049][ T7510] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 550.674972][ T7510] ? netlink_unicast+0x810/0x810 [ 550.681016][ T7510] __sock_sendmsg+0xd5/0x180 [ 550.686852][ T7510] ____sys_sendmsg+0x6ac/0x940 [ 550.692855][ T7510] ? copy_msghdr_from_user+0x10b/0x160 [ 550.698530][ T7510] ? kernel_sendmsg+0x50/0x50 [ 550.703404][ T7510] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 550.709688][ T7510] ___sys_sendmsg+0x135/0x1d0 [ 550.714496][ T7510] ? do_recvmmsg+0x740/0x740 [ 550.719293][ T7510] ? find_held_lock+0x2d/0x110 [ 550.724530][ T7510] ? preempt_count_sub+0x150/0x150 [ 550.729867][ T7510] ? __fget_light+0x1fc/0x260 [ 550.734859][ T7510] __sys_sendmsg+0x117/0x1e0 [ 550.739652][ T7510] ? __sys_sendmsg_sock+0x30/0x30 [ 550.744715][ T7510] ? syscall_enter_from_user_mode+0x26/0x80 [ 550.750717][ T7510] do_syscall_64+0x3f/0x110 [ 550.755239][ T7510] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 550.761231][ T7510] RIP: 0033:0x7f2631248c19 [ 550.765656][ T7510] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 550.786076][ T7510] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 550.794590][ T7510] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 550.802592][ T7510] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 550.811006][ T7510] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 550.819508][ T7510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 550.827603][ T7510] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 550.835613][ T7510] [ 550.893674][ T7510] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 551.005248][ T7526] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 551.028567][ T7526] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 551.050113][ T7526] CPU: 0 PID: 7526 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 551.060336][ T7526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 551.070605][ T7526] Call Trace: [ 551.074003][ T7526] [ 551.077100][ T7526] dump_stack_lvl+0x125/0x1b0 [ 551.082257][ T7526] sysfs_warn_dup+0x7f/0xa0 [ 551.086898][ T7526] sysfs_create_dir_ns+0x247/0x2a0 [ 551.092054][ T7526] ? sysfs_create_mount_point+0xb0/0xb0 [ 551.097640][ T7526] ? spin_bug+0x1d0/0x1d0 [ 551.102185][ T7526] ? net_namespace+0x12/0x40 [ 551.106881][ T7526] ? device_namespace+0x8d/0xc0 [ 551.112121][ T7526] kobject_add_internal+0x2c8/0x960 [ 551.117522][ T7526] kobject_add+0x16f/0x240 [ 551.122054][ T7526] ? kset_create_and_add+0x190/0x190 [ 551.127447][ T7526] ? do_raw_spin_unlock+0x173/0x230 [ 551.134169][ T7526] ? kobject_put+0xbe/0x440 [ 551.139495][ T7526] ? device_add+0xc35/0x1aa0 [ 551.144479][ T7526] device_add+0x289/0x1aa0 [ 551.149096][ T7526] ? device_initialize+0x510/0x510 [ 551.154520][ T7526] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 551.161688][ T7526] ? __init_waitqueue_head+0xca/0x150 [ 551.167257][ T7526] netdev_register_kobject+0x183/0x3f0 [ 551.172744][ T7526] register_netdevice+0xbdf/0x14a0 [ 551.178143][ T7526] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 551.184096][ T7526] ? team_nl_cmd_noop+0x280/0x280 [ 551.189245][ T7526] team_newlink+0x92/0x160 [ 551.193683][ T7526] ? team_nl_cmd_noop+0x280/0x280 [ 551.198911][ T7526] ? rtnl_create_link+0xa6d/0xfd0 [ 551.204222][ T7526] __rtnl_newlink+0x1173/0x1930 [ 551.209287][ T7526] ? rtnl_link_unregister+0x260/0x260 [ 551.214819][ T7526] rtnl_newlink+0x67/0xa0 [ 551.219338][ T7526] ? __rtnl_newlink+0x1930/0x1930 [ 551.224489][ T7526] rtnetlink_rcv_msg+0x3c7/0xe00 [ 551.229845][ T7526] ? rtnl_getlink+0xb40/0xb40 [ 551.234821][ T7526] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 551.241800][ T7526] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 551.248124][ T7526] netlink_rcv_skb+0x16b/0x440 [ 551.253265][ T7526] ? rtnl_getlink+0xb40/0xb40 [ 551.258564][ T7526] ? netlink_ack+0x1370/0x1370 [ 551.263879][ T7526] ? lock_sync+0x190/0x190 [ 551.268421][ T7526] ? netlink_deliver_tap+0x1a0/0xd00 [ 551.274588][ T7526] ? _copy_from_iter+0x2c1/0x10f0 [ 551.280010][ T7526] netlink_unicast+0x53b/0x810 [ 551.285005][ T7526] ? netlink_attachskb+0x880/0x880 [ 551.290299][ T7526] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 551.296731][ T7526] ? __phys_addr_symbol+0x30/0x70 [ 551.301859][ T7526] ? __check_object_size+0x323/0x730 [ 551.307168][ T7526] netlink_sendmsg+0x93c/0xe40 [ 551.313002][ T7526] ? netlink_unicast+0x810/0x810 [ 551.317964][ T7526] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 551.323648][ T7526] ? netlink_unicast+0x810/0x810 [ 551.329055][ T7526] __sock_sendmsg+0xd5/0x180 [ 551.333677][ T7526] ____sys_sendmsg+0x6ac/0x940 [ 551.338489][ T7526] ? copy_msghdr_from_user+0x10b/0x160 [ 551.344057][ T7526] ? kernel_sendmsg+0x50/0x50 [ 551.348838][ T7526] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 551.354991][ T7526] ___sys_sendmsg+0x135/0x1d0 [ 551.359719][ T7526] ? do_recvmmsg+0x740/0x740 [ 551.364421][ T7526] ? find_held_lock+0x2d/0x110 [ 551.369399][ T7526] ? preempt_count_sub+0x150/0x150 [ 551.374537][ T7526] ? __fget_light+0x1fc/0x260 [ 551.379256][ T7526] __sys_sendmsg+0x117/0x1e0 [ 551.384033][ T7526] ? __sys_sendmsg_sock+0x30/0x30 [ 551.389085][ T7526] ? syscall_enter_from_user_mode+0x26/0x80 [ 551.395101][ T7526] do_syscall_64+0x3f/0x110 [ 551.399894][ T7526] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 551.405835][ T7526] RIP: 0033:0x7f2631248c19 [ 551.410355][ T7526] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 551.431768][ T7526] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 551.440377][ T7526] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 551.448663][ T7526] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 551.456641][ T7526] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 551.464788][ T7526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 551.473029][ T7526] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 551.481121][ T7526] [ 551.500581][ T7526] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 551.537395][ T7526] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 551.558131][ T7526] CPU: 0 PID: 7526 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 551.568434][ T7526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 551.578664][ T7526] Call Trace: [ 551.582063][ T7526] [ 551.585083][ T7526] dump_stack_lvl+0x125/0x1b0 [ 551.589998][ T7526] sysfs_warn_dup+0x7f/0xa0 [ 551.594732][ T7526] sysfs_create_dir_ns+0x247/0x2a0 [ 551.600085][ T7526] ? sysfs_create_mount_point+0xb0/0xb0 [ 551.605849][ T7526] ? spin_bug+0x1d0/0x1d0 [ 551.610750][ T7526] ? net_namespace+0x12/0x40 [ 551.615369][ T7526] ? device_namespace+0x8d/0xc0 [ 551.620266][ T7526] kobject_add_internal+0x2c8/0x960 [ 551.625611][ T7526] kobject_add+0x16f/0x240 [ 551.630175][ T7526] ? kset_create_and_add+0x190/0x190 [ 551.635687][ T7526] ? do_raw_spin_unlock+0x173/0x230 [ 551.640955][ T7526] ? kobject_put+0xbe/0x440 [ 551.645632][ T7526] ? device_add+0xc35/0x1aa0 [ 551.650275][ T7526] device_add+0x289/0x1aa0 [ 551.654894][ T7526] ? device_initialize+0x510/0x510 [ 551.660144][ T7526] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 551.667214][ T7526] ? __init_waitqueue_head+0xca/0x150 [ 551.672640][ T7526] netdev_register_kobject+0x183/0x3f0 [ 551.678315][ T7526] register_netdevice+0xbdf/0x14a0 [ 551.683738][ T7526] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 551.689786][ T7526] ? validate_linkmsg+0x6fc/0x9c0 [ 551.695303][ T7526] ? rtnl_create_link+0xa6d/0xfd0 [ 551.701086][ T7526] ? batadv_get_sset_count+0x40/0x40 [ 551.706511][ T7526] batadv_softif_newlink+0x70/0x90 [ 551.711743][ T7526] __rtnl_newlink+0x1173/0x1930 [ 551.716831][ T7526] ? rtnl_link_unregister+0x260/0x260 [ 551.722443][ T7526] rtnl_newlink+0x67/0xa0 [ 551.726970][ T7526] ? __rtnl_newlink+0x1930/0x1930 [ 551.732234][ T7526] rtnetlink_rcv_msg+0x3c7/0xe00 [ 551.737553][ T7526] ? rtnl_getlink+0xb40/0xb40 [ 551.742350][ T7526] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 551.748452][ T7526] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 551.754490][ T7526] netlink_rcv_skb+0x16b/0x440 [ 551.759554][ T7526] ? rtnl_getlink+0xb40/0xb40 [ 551.764476][ T7526] ? netlink_ack+0x1370/0x1370 [ 551.769878][ T7526] ? lock_sync+0x190/0x190 [ 551.774349][ T7526] ? netlink_deliver_tap+0x1a0/0xd00 [ 551.779829][ T7526] ? _copy_from_iter+0x2c1/0x10f0 [ 551.785071][ T7526] netlink_unicast+0x53b/0x810 [ 551.790054][ T7526] ? netlink_attachskb+0x880/0x880 [ 551.795282][ T7526] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 551.801552][ T7526] ? __phys_addr_symbol+0x30/0x70 [ 551.806695][ T7526] ? __check_object_size+0x323/0x730 [ 551.812121][ T7526] netlink_sendmsg+0x93c/0xe40 [ 551.816932][ T7526] ? netlink_unicast+0x810/0x810 [ 551.822016][ T7526] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 551.827609][ T7526] ? netlink_unicast+0x810/0x810 [ 551.832770][ T7526] __sock_sendmsg+0xd5/0x180 [ 551.837401][ T7526] ____sys_sendmsg+0x6ac/0x940 [ 551.842194][ T7526] ? copy_msghdr_from_user+0x10b/0x160 [ 551.847772][ T7526] ? kernel_sendmsg+0x50/0x50 [ 551.852543][ T7526] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 551.858616][ T7526] ___sys_sendmsg+0x135/0x1d0 [ 551.863604][ T7526] ? do_recvmmsg+0x740/0x740 [ 551.868398][ T7526] ? find_held_lock+0x2d/0x110 [ 551.873501][ T7526] ? preempt_count_sub+0x150/0x150 [ 551.879176][ T7526] ? __fget_light+0x1fc/0x260 [ 551.883889][ T7526] __sys_sendmsg+0x117/0x1e0 [ 551.888511][ T7526] ? __sys_sendmsg_sock+0x30/0x30 [ 551.893673][ T7526] ? syscall_enter_from_user_mode+0x26/0x80 [ 551.899618][ T7526] do_syscall_64+0x3f/0x110 [ 551.904172][ T7526] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 551.910118][ T7526] RIP: 0033:0x7f2631248c19 [ 551.914731][ T7526] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 551.934717][ T7526] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 551.943161][ T7526] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 551.951241][ T7526] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 551.960199][ T7526] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 551.968629][ T7526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 551.976725][ T7526] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 551.984812][ T7526] [ 552.048880][ T7526] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 552.101860][ T7532] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 552.123003][ T7532] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 552.143581][ T7532] CPU: 1 PID: 7532 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 552.154163][ T7532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 552.164876][ T7532] Call Trace: [ 552.168289][ T7532] [ 552.171328][ T7532] dump_stack_lvl+0x125/0x1b0 [ 552.176147][ T7532] sysfs_warn_dup+0x7f/0xa0 [ 552.181308][ T7532] sysfs_create_dir_ns+0x247/0x2a0 [ 552.186600][ T7532] ? sysfs_create_mount_point+0xb0/0xb0 [ 552.192289][ T7532] ? spin_bug+0x1d0/0x1d0 [ 552.196667][ T7532] ? net_namespace+0x12/0x40 [ 552.201743][ T7532] ? device_namespace+0x8d/0xc0 [ 552.206737][ T7532] kobject_add_internal+0x2c8/0x960 [ 552.212436][ T7532] kobject_add+0x16f/0x240 [ 552.216936][ T7532] ? kset_create_and_add+0x190/0x190 [ 552.222379][ T7532] ? do_raw_spin_unlock+0x173/0x230 [ 552.227737][ T7532] ? kobject_put+0xbe/0x440 [ 552.232312][ T7532] ? device_add+0xc35/0x1aa0 [ 552.237136][ T7532] device_add+0x289/0x1aa0 [ 552.241960][ T7532] ? device_initialize+0x510/0x510 [ 552.247130][ T7532] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 552.254134][ T7532] ? __init_waitqueue_head+0xca/0x150 [ 552.259566][ T7532] netdev_register_kobject+0x183/0x3f0 [ 552.265140][ T7532] register_netdevice+0xbdf/0x14a0 [ 552.270491][ T7532] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 552.276532][ T7532] ? team_nl_cmd_noop+0x280/0x280 [ 552.281696][ T7532] team_newlink+0x92/0x160 [ 552.286350][ T7532] ? team_nl_cmd_noop+0x280/0x280 [ 552.292030][ T7532] ? rtnl_create_link+0xa6d/0xfd0 [ 552.297717][ T7532] __rtnl_newlink+0x1173/0x1930 [ 552.302808][ T7532] ? rtnl_link_unregister+0x260/0x260 [ 552.308572][ T7532] rtnl_newlink+0x67/0xa0 [ 552.313277][ T7532] ? __rtnl_newlink+0x1930/0x1930 [ 552.318527][ T7532] rtnetlink_rcv_msg+0x3c7/0xe00 [ 552.323510][ T7532] ? rtnl_getlink+0xb40/0xb40 [ 552.328304][ T7532] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 552.334496][ T7532] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 552.340554][ T7532] netlink_rcv_skb+0x16b/0x440 [ 552.346481][ T7532] ? rtnl_getlink+0xb40/0xb40 [ 552.351284][ T7532] ? netlink_ack+0x1370/0x1370 [ 552.356511][ T7532] ? lock_sync+0x190/0x190 [ 552.361067][ T7532] ? netlink_deliver_tap+0x1a0/0xd00 [ 552.366499][ T7532] ? _copy_from_iter+0x2c1/0x10f0 [ 552.371745][ T7532] netlink_unicast+0x53b/0x810 [ 552.376552][ T7532] ? netlink_attachskb+0x880/0x880 [ 552.381874][ T7532] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 552.387887][ T7532] ? __phys_addr_symbol+0x30/0x70 [ 552.393105][ T7532] ? __check_object_size+0x323/0x730 [ 552.398791][ T7532] netlink_sendmsg+0x93c/0xe40 [ 552.403601][ T7532] ? netlink_unicast+0x810/0x810 [ 552.408575][ T7532] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 552.414146][ T7532] ? netlink_unicast+0x810/0x810 [ 552.419286][ T7532] __sock_sendmsg+0xd5/0x180 [ 552.424250][ T7532] ____sys_sendmsg+0x6ac/0x940 [ 552.429050][ T7532] ? copy_msghdr_from_user+0x10b/0x160 [ 552.435405][ T7532] ? kernel_sendmsg+0x50/0x50 [ 552.440110][ T7532] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 552.446752][ T7532] ___sys_sendmsg+0x135/0x1d0 [ 552.451554][ T7532] ? do_recvmmsg+0x740/0x740 [ 552.456260][ T7532] ? find_held_lock+0x2d/0x110 [ 552.461677][ T7532] ? preempt_count_sub+0x150/0x150 [ 552.466830][ T7532] ? __fget_light+0x1fc/0x260 [ 552.471634][ T7532] __sys_sendmsg+0x117/0x1e0 [ 552.476606][ T7532] ? __sys_sendmsg_sock+0x30/0x30 [ 552.481769][ T7532] ? syscall_enter_from_user_mode+0x26/0x80 [ 552.487699][ T7532] do_syscall_64+0x3f/0x110 [ 552.492236][ T7532] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 552.498152][ T7532] RIP: 0033:0x7f2631248c19 [ 552.502955][ T7532] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 552.523383][ T7532] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 552.532003][ T7532] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 552.540112][ T7532] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 552.548287][ T7532] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 552.556554][ T7532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 552.565332][ T7532] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 552.573428][ T7532] [ 552.671861][ T7532] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 552.725880][ T7532] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 552.744607][ T7532] CPU: 0 PID: 7532 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 552.755270][ T7532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 552.765804][ T7532] Call Trace: [ 552.769289][ T7532] [ 552.772341][ T7532] dump_stack_lvl+0x125/0x1b0 [ 552.777073][ T7532] sysfs_warn_dup+0x7f/0xa0 [ 552.781623][ T7532] sysfs_create_dir_ns+0x247/0x2a0 [ 552.786782][ T7532] ? sysfs_create_mount_point+0xb0/0xb0 [ 552.792421][ T7532] ? spin_bug+0x1d0/0x1d0 [ 552.796930][ T7532] ? net_namespace+0x12/0x40 [ 552.801542][ T7532] ? device_namespace+0x8d/0xc0 [ 552.806611][ T7532] kobject_add_internal+0x2c8/0x960 [ 552.811842][ T7532] kobject_add+0x16f/0x240 [ 552.816370][ T7532] ? kset_create_and_add+0x190/0x190 [ 552.821682][ T7532] ? do_raw_spin_unlock+0x173/0x230 [ 552.827161][ T7532] ? kobject_put+0xbe/0x440 [ 552.831703][ T7532] ? device_add+0xc35/0x1aa0 [ 552.836393][ T7532] device_add+0x289/0x1aa0 [ 552.840908][ T7532] ? device_initialize+0x510/0x510 [ 552.846034][ T7532] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 552.852996][ T7532] ? __init_waitqueue_head+0xca/0x150 [ 552.858481][ T7532] netdev_register_kobject+0x183/0x3f0 [ 552.864249][ T7532] register_netdevice+0xbdf/0x14a0 [ 552.869481][ T7532] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 552.875827][ T7532] ? validate_linkmsg+0x6fc/0x9c0 [ 552.881350][ T7532] ? rtnl_create_link+0xa6d/0xfd0 [ 552.886579][ T7532] ? batadv_get_sset_count+0x40/0x40 [ 552.892062][ T7532] batadv_softif_newlink+0x70/0x90 [ 552.897729][ T7532] __rtnl_newlink+0x1173/0x1930 [ 552.902698][ T7532] ? rtnl_link_unregister+0x260/0x260 [ 552.908111][ T7532] rtnl_newlink+0x67/0xa0 [ 552.912565][ T7532] ? __rtnl_newlink+0x1930/0x1930 [ 552.918922][ T7532] rtnetlink_rcv_msg+0x3c7/0xe00 [ 552.924058][ T7532] ? rtnl_getlink+0xb40/0xb40 [ 552.928789][ T7532] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 552.935079][ T7532] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 552.941259][ T7532] netlink_rcv_skb+0x16b/0x440 [ 552.946242][ T7532] ? rtnl_getlink+0xb40/0xb40 [ 552.950930][ T7532] ? netlink_ack+0x1370/0x1370 [ 552.955794][ T7532] ? lock_sync+0x190/0x190 [ 552.960243][ T7532] ? netlink_deliver_tap+0x1a0/0xd00 [ 552.965535][ T7532] ? _copy_from_iter+0x2c1/0x10f0 [ 552.971486][ T7532] netlink_unicast+0x53b/0x810 [ 552.976282][ T7532] ? netlink_attachskb+0x880/0x880 [ 552.982013][ T7532] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 552.988558][ T7532] ? __phys_addr_symbol+0x30/0x70 [ 552.993692][ T7532] ? __check_object_size+0x323/0x730 [ 552.999193][ T7532] netlink_sendmsg+0x93c/0xe40 [ 553.004246][ T7532] ? netlink_unicast+0x810/0x810 [ 553.009288][ T7532] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 553.014771][ T7532] ? netlink_unicast+0x810/0x810 [ 553.019814][ T7532] __sock_sendmsg+0xd5/0x180 [ 553.024867][ T7532] ____sys_sendmsg+0x6ac/0x940 [ 553.029796][ T7532] ? copy_msghdr_from_user+0x10b/0x160 [ 553.035450][ T7532] ? kernel_sendmsg+0x50/0x50 [ 553.040580][ T7532] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 553.046952][ T7532] ___sys_sendmsg+0x135/0x1d0 [ 553.051944][ T7532] ? do_recvmmsg+0x740/0x740 [ 553.056740][ T7532] ? find_held_lock+0x2d/0x110 [ 553.061735][ T7532] ? preempt_count_sub+0x150/0x150 [ 553.066907][ T7532] ? __fget_light+0x1fc/0x260 [ 553.071803][ T7532] __sys_sendmsg+0x117/0x1e0 [ 553.076686][ T7532] ? __sys_sendmsg_sock+0x30/0x30 [ 553.081846][ T7532] ? syscall_enter_from_user_mode+0x26/0x80 [ 553.087943][ T7532] do_syscall_64+0x3f/0x110 [ 553.092552][ T7532] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 553.098813][ T7532] RIP: 0033:0x7f2631248c19 [ 553.103416][ T7532] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 553.123727][ T7532] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 553.132679][ T7532] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 553.141092][ T7532] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 553.149163][ T7532] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 553.157343][ T7532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 553.165501][ T7532] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 553.173507][ T7532] [ 553.178367][ T7532] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 553.276687][ T7540] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 553.296788][ T7540] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 553.315292][ T7540] CPU: 0 PID: 7540 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 553.325664][ T7540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 553.335763][ T7540] Call Trace: [ 553.339063][ T7540] [ 553.342163][ T7540] dump_stack_lvl+0x125/0x1b0 [ 553.347060][ T7540] sysfs_warn_dup+0x7f/0xa0 [ 553.351614][ T7540] sysfs_create_dir_ns+0x247/0x2a0 [ 553.356853][ T7540] ? sysfs_create_mount_point+0xb0/0xb0 [ 553.362627][ T7540] ? spin_bug+0x1d0/0x1d0 [ 553.367175][ T7540] ? net_namespace+0x12/0x40 [ 553.371989][ T7540] ? device_namespace+0x8d/0xc0 [ 553.376885][ T7540] kobject_add_internal+0x2c8/0x960 [ 553.382145][ T7540] kobject_add+0x16f/0x240 [ 553.386637][ T7540] ? kset_create_and_add+0x190/0x190 [ 553.392065][ T7540] ? do_raw_spin_unlock+0x173/0x230 [ 553.397502][ T7540] ? kobject_put+0xbe/0x440 [ 553.402066][ T7540] ? device_add+0xc35/0x1aa0 [ 553.406915][ T7540] device_add+0x289/0x1aa0 [ 553.412081][ T7540] ? device_initialize+0x510/0x510 [ 553.417245][ T7540] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 553.424930][ T7540] ? __init_waitqueue_head+0xca/0x150 [ 553.430870][ T7540] netdev_register_kobject+0x183/0x3f0 [ 553.436648][ T7540] register_netdevice+0xbdf/0x14a0 [ 553.442059][ T7540] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 553.448074][ T7540] ? team_nl_cmd_noop+0x280/0x280 [ 553.453144][ T7540] team_newlink+0x92/0x160 [ 553.457942][ T7540] ? team_nl_cmd_noop+0x280/0x280 [ 553.463192][ T7540] ? rtnl_create_link+0xa6d/0xfd0 [ 553.468429][ T7540] __rtnl_newlink+0x1173/0x1930 [ 553.473322][ T7540] ? rtnl_link_unregister+0x260/0x260 [ 553.478754][ T7540] rtnl_newlink+0x67/0xa0 [ 553.483104][ T7540] ? __rtnl_newlink+0x1930/0x1930 [ 553.488232][ T7540] rtnetlink_rcv_msg+0x3c7/0xe00 [ 553.493278][ T7540] ? rtnl_getlink+0xb40/0xb40 [ 553.499216][ T7540] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 553.505498][ T7540] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 553.511596][ T7540] netlink_rcv_skb+0x16b/0x440 [ 553.516384][ T7540] ? rtnl_getlink+0xb40/0xb40 [ 553.521086][ T7540] ? netlink_ack+0x1370/0x1370 [ 553.525918][ T7540] ? lock_sync+0x190/0x190 [ 553.530367][ T7540] ? netlink_deliver_tap+0x1a0/0xd00 [ 553.536095][ T7540] ? _copy_from_iter+0x2c1/0x10f0 [ 553.541147][ T7540] netlink_unicast+0x53b/0x810 [ 553.546187][ T7540] ? netlink_attachskb+0x880/0x880 [ 553.551406][ T7540] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 553.557485][ T7540] ? __phys_addr_symbol+0x30/0x70 [ 553.562528][ T7540] ? __check_object_size+0x323/0x730 [ 553.567918][ T7540] netlink_sendmsg+0x93c/0xe40 [ 553.572723][ T7540] ? netlink_unicast+0x810/0x810 [ 553.577678][ T7540] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 553.582980][ T7540] ? netlink_unicast+0x810/0x810 [ 553.588102][ T7540] __sock_sendmsg+0xd5/0x180 [ 553.592699][ T7540] ____sys_sendmsg+0x6ac/0x940 [ 553.597479][ T7540] ? copy_msghdr_from_user+0x10b/0x160 [ 553.602946][ T7540] ? kernel_sendmsg+0x50/0x50 [ 553.608077][ T7540] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 553.614081][ T7540] ___sys_sendmsg+0x135/0x1d0 [ 553.619047][ T7540] ? do_recvmmsg+0x740/0x740 [ 553.623655][ T7540] ? find_held_lock+0x2d/0x110 [ 553.628890][ T7540] ? preempt_count_sub+0x150/0x150 [ 553.634114][ T7540] ? __fget_light+0x1fc/0x260 [ 553.638914][ T7540] __sys_sendmsg+0x117/0x1e0 [ 553.643779][ T7540] ? __sys_sendmsg_sock+0x30/0x30 [ 553.649110][ T7540] ? syscall_enter_from_user_mode+0x26/0x80 [ 553.655207][ T7540] do_syscall_64+0x3f/0x110 [ 553.659892][ T7540] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 553.666143][ T7540] RIP: 0033:0x7f2631248c19 [ 553.671356][ T7540] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 553.692128][ T7540] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 553.700928][ T7540] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 553.709086][ T7540] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 553.717502][ T7540] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 553.725734][ T7540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 553.733794][ T7540] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 553.742046][ T7540] [ 553.756783][ T7540] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 553.807810][ T7540] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 553.825157][ T7540] CPU: 0 PID: 7540 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 553.835294][ T7540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 553.845823][ T7540] Call Trace: [ 553.849219][ T7540] [ 553.852174][ T7540] dump_stack_lvl+0x125/0x1b0 [ 553.858195][ T7540] sysfs_warn_dup+0x7f/0xa0 [ 553.862949][ T7540] sysfs_create_dir_ns+0x247/0x2a0 [ 553.868209][ T7540] ? sysfs_create_mount_point+0xb0/0xb0 [ 553.873812][ T7540] ? spin_bug+0x1d0/0x1d0 [ 553.878183][ T7540] ? net_namespace+0x12/0x40 [ 553.882981][ T7540] ? device_namespace+0x8d/0xc0 [ 553.887887][ T7540] kobject_add_internal+0x2c8/0x960 [ 553.893231][ T7540] kobject_add+0x16f/0x240 [ 553.897709][ T7540] ? kset_create_and_add+0x190/0x190 [ 553.903304][ T7540] ? do_raw_spin_unlock+0x173/0x230 [ 553.908773][ T7540] ? kobject_put+0xbe/0x440 [ 553.913677][ T7540] ? device_add+0xc35/0x1aa0 [ 553.918576][ T7540] device_add+0x289/0x1aa0 [ 553.923023][ T7540] ? device_initialize+0x510/0x510 [ 553.928352][ T7540] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 553.935246][ T7540] ? __init_waitqueue_head+0xca/0x150 [ 553.940761][ T7540] netdev_register_kobject+0x183/0x3f0 [ 553.946542][ T7540] register_netdevice+0xbdf/0x14a0 [ 553.952140][ T7540] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 553.958412][ T7540] ? validate_linkmsg+0x6fc/0x9c0 [ 553.963572][ T7540] ? rtnl_create_link+0xa6d/0xfd0 [ 553.968829][ T7540] ? batadv_get_sset_count+0x40/0x40 [ 553.975558][ T7540] batadv_softif_newlink+0x70/0x90 [ 553.981389][ T7540] __rtnl_newlink+0x1173/0x1930 [ 553.986607][ T7540] ? rtnl_link_unregister+0x260/0x260 [ 553.992480][ T7540] rtnl_newlink+0x67/0xa0 [ 553.997116][ T7540] ? __rtnl_newlink+0x1930/0x1930 [ 554.002455][ T7540] rtnetlink_rcv_msg+0x3c7/0xe00 [ 554.007723][ T7540] ? rtnl_getlink+0xb40/0xb40 [ 554.012641][ T7540] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 554.018781][ T7540] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 554.025109][ T7540] netlink_rcv_skb+0x16b/0x440 [ 554.030274][ T7540] ? rtnl_getlink+0xb40/0xb40 [ 554.035694][ T7540] ? netlink_ack+0x1370/0x1370 [ 554.040771][ T7540] ? lock_sync+0x190/0x190 [ 554.045332][ T7540] ? netlink_deliver_tap+0x1a0/0xd00 [ 554.050821][ T7540] ? _copy_from_iter+0x2c1/0x10f0 [ 554.055891][ T7540] netlink_unicast+0x53b/0x810 [ 554.060704][ T7540] ? netlink_attachskb+0x880/0x880 [ 554.066033][ T7540] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 554.072073][ T7540] ? __phys_addr_symbol+0x30/0x70 [ 554.078034][ T7540] ? __check_object_size+0x323/0x730 [ 554.083472][ T7540] netlink_sendmsg+0x93c/0xe40 [ 554.088288][ T7540] ? netlink_unicast+0x810/0x810 [ 554.093348][ T7540] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 554.098684][ T7540] ? netlink_unicast+0x810/0x810 [ 554.103854][ T7540] __sock_sendmsg+0xd5/0x180 [ 554.109017][ T7540] ____sys_sendmsg+0x6ac/0x940 [ 554.114198][ T7540] ? copy_msghdr_from_user+0x10b/0x160 [ 554.120148][ T7540] ? kernel_sendmsg+0x50/0x50 [ 554.124970][ T7540] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 554.131136][ T7540] ___sys_sendmsg+0x135/0x1d0 [ 554.135865][ T7540] ? do_recvmmsg+0x740/0x740 [ 554.140806][ T7540] ? find_held_lock+0x2d/0x110 [ 554.145836][ T7540] ? preempt_count_sub+0x150/0x150 [ 554.151250][ T7540] ? __fget_light+0x1fc/0x260 [ 554.156004][ T7540] __sys_sendmsg+0x117/0x1e0 [ 554.160989][ T7540] ? __sys_sendmsg_sock+0x30/0x30 [ 554.166078][ T7540] ? syscall_enter_from_user_mode+0x26/0x80 [ 554.172359][ T7540] do_syscall_64+0x3f/0x110 [ 554.177186][ T7540] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 554.183193][ T7540] RIP: 0033:0x7f2631248c19 [ 554.188590][ T7540] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 554.208617][ T7540] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 554.217771][ T7540] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 554.225870][ T7540] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 554.234296][ T7540] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 554.242555][ T7540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 554.250816][ T7540] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 554.259095][ T7540] [ 554.263111][ T7540] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 554.418837][ T7546] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 554.446187][ T7546] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 554.464427][ T7546] CPU: 0 PID: 7546 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 554.475169][ T7546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 554.485515][ T7546] Call Trace: [ 554.488996][ T7546] [ 554.491947][ T7546] dump_stack_lvl+0x125/0x1b0 [ 554.497026][ T7546] sysfs_warn_dup+0x7f/0xa0 [ 554.501746][ T7546] sysfs_create_dir_ns+0x247/0x2a0 [ 554.507075][ T7546] ? sysfs_create_mount_point+0xb0/0xb0 [ 554.512669][ T7546] ? spin_bug+0x1d0/0x1d0 [ 554.517142][ T7546] ? net_namespace+0x12/0x40 [ 554.521960][ T7546] ? device_namespace+0x8d/0xc0 [ 554.527059][ T7546] kobject_add_internal+0x2c8/0x960 [ 554.532377][ T7546] kobject_add+0x16f/0x240 [ 554.537167][ T7546] ? kset_create_and_add+0x190/0x190 [ 554.542575][ T7546] ? do_raw_spin_unlock+0x173/0x230 [ 554.547903][ T7546] ? kobject_put+0xbe/0x440 [ 554.552521][ T7546] ? device_add+0xc35/0x1aa0 [ 554.557226][ T7546] device_add+0x289/0x1aa0 [ 554.561674][ T7546] ? device_initialize+0x510/0x510 [ 554.566995][ T7546] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 554.574130][ T7546] ? __init_waitqueue_head+0xca/0x150 [ 554.579626][ T7546] netdev_register_kobject+0x183/0x3f0 [ 554.585134][ T7546] register_netdevice+0xbdf/0x14a0 [ 554.590305][ T7546] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 554.596344][ T7546] ? team_nl_cmd_noop+0x280/0x280 [ 554.601646][ T7546] team_newlink+0x92/0x160 [ 554.606080][ T7546] ? team_nl_cmd_noop+0x280/0x280 [ 554.611294][ T7546] ? rtnl_create_link+0xa6d/0xfd0 [ 554.616522][ T7546] __rtnl_newlink+0x1173/0x1930 [ 554.621578][ T7546] ? rtnl_link_unregister+0x260/0x260 [ 554.627253][ T7546] rtnl_newlink+0x67/0xa0 [ 554.631682][ T7546] ? __rtnl_newlink+0x1930/0x1930 [ 554.636731][ T7546] rtnetlink_rcv_msg+0x3c7/0xe00 [ 554.641686][ T7546] ? rtnl_getlink+0xb40/0xb40 [ 554.646524][ T7546] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 554.652696][ T7546] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 554.658808][ T7546] netlink_rcv_skb+0x16b/0x440 [ 554.663758][ T7546] ? rtnl_getlink+0xb40/0xb40 [ 554.668459][ T7546] ? netlink_ack+0x1370/0x1370 [ 554.673252][ T7546] ? lock_sync+0x190/0x190 [ 554.677734][ T7546] ? netlink_deliver_tap+0x1a0/0xd00 [ 554.683266][ T7546] ? _copy_from_iter+0x2c1/0x10f0 [ 554.688420][ T7546] netlink_unicast+0x53b/0x810 [ 554.693291][ T7546] ? netlink_attachskb+0x880/0x880 [ 554.698522][ T7546] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 554.704457][ T7546] ? __phys_addr_symbol+0x30/0x70 [ 554.709961][ T7546] ? __check_object_size+0x323/0x730 [ 554.715468][ T7546] netlink_sendmsg+0x93c/0xe40 [ 554.720361][ T7546] ? netlink_unicast+0x810/0x810 [ 554.725418][ T7546] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 554.730889][ T7546] ? netlink_unicast+0x810/0x810 [ 554.736274][ T7546] __sock_sendmsg+0xd5/0x180 [ 554.740874][ T7546] ____sys_sendmsg+0x6ac/0x940 [ 554.745846][ T7546] ? copy_msghdr_from_user+0x10b/0x160 [ 554.751316][ T7546] ? kernel_sendmsg+0x50/0x50 [ 554.756272][ T7546] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 554.762411][ T7546] ___sys_sendmsg+0x135/0x1d0 [ 554.767124][ T7546] ? do_recvmmsg+0x740/0x740 [ 554.771813][ T7546] ? find_held_lock+0x2d/0x110 [ 554.776603][ T7546] ? preempt_count_sub+0x150/0x150 [ 554.781736][ T7546] ? __fget_light+0x1fc/0x260 [ 554.786528][ T7546] __sys_sendmsg+0x117/0x1e0 [ 554.791308][ T7546] ? __sys_sendmsg_sock+0x30/0x30 [ 554.796887][ T7546] ? syscall_enter_from_user_mode+0x26/0x80 [ 554.803069][ T7546] do_syscall_64+0x3f/0x110 [ 554.807624][ T7546] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 554.813878][ T7546] RIP: 0033:0x7f2631248c19 [ 554.818679][ T7546] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 554.840673][ T7546] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 554.849300][ T7546] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 554.857535][ T7546] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 554.866047][ T7546] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 554.874122][ T7546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 554.883426][ T7546] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 554.892747][ T7546] [ 554.898003][ T7546] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 554.938592][ T7546] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 554.948122][ T7546] CPU: 1 PID: 7546 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 554.958707][ T7546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 554.968976][ T7546] Call Trace: [ 554.972367][ T7546] [ 554.975327][ T7546] dump_stack_lvl+0x125/0x1b0 [ 554.980232][ T7546] sysfs_warn_dup+0x7f/0xa0 [ 554.984890][ T7546] sysfs_create_dir_ns+0x247/0x2a0 [ 554.990405][ T7546] ? sysfs_create_mount_point+0xb0/0xb0 [ 554.996017][ T7546] ? spin_bug+0x1d0/0x1d0 [ 555.000397][ T7546] ? net_namespace+0x12/0x40 [ 555.005030][ T7546] ? device_namespace+0x8d/0xc0 [ 555.010018][ T7546] kobject_add_internal+0x2c8/0x960 [ 555.015295][ T7546] kobject_add+0x16f/0x240 [ 555.019851][ T7546] ? kset_create_and_add+0x190/0x190 [ 555.025355][ T7546] ? do_raw_spin_unlock+0x173/0x230 [ 555.030604][ T7546] ? kobject_put+0xbe/0x440 [ 555.035247][ T7546] ? device_add+0xc35/0x1aa0 [ 555.040158][ T7546] device_add+0x289/0x1aa0 [ 555.044793][ T7546] ? device_initialize+0x510/0x510 [ 555.049957][ T7546] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 555.057025][ T7546] ? __init_waitqueue_head+0xca/0x150 [ 555.062447][ T7546] netdev_register_kobject+0x183/0x3f0 [ 555.068221][ T7546] register_netdevice+0xbdf/0x14a0 [ 555.073983][ T7546] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 555.080093][ T7546] ? validate_linkmsg+0x6fc/0x9c0 [ 555.085634][ T7546] ? rtnl_create_link+0xa6d/0xfd0 [ 555.090968][ T7546] ? batadv_get_sset_count+0x40/0x40 [ 555.096649][ T7546] batadv_softif_newlink+0x70/0x90 [ 555.101907][ T7546] __rtnl_newlink+0x1173/0x1930 [ 555.107245][ T7546] ? rtnl_link_unregister+0x260/0x260 [ 555.112715][ T7546] rtnl_newlink+0x67/0xa0 [ 555.117255][ T7546] ? __rtnl_newlink+0x1930/0x1930 [ 555.122451][ T7546] rtnetlink_rcv_msg+0x3c7/0xe00 [ 555.127434][ T7546] ? rtnl_getlink+0xb40/0xb40 [ 555.132325][ T7546] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 555.138359][ T7546] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 555.144493][ T7546] netlink_rcv_skb+0x16b/0x440 [ 555.149303][ T7546] ? rtnl_getlink+0xb40/0xb40 [ 555.154018][ T7546] ? netlink_ack+0x1370/0x1370 [ 555.158985][ T7546] ? lock_sync+0x190/0x190 [ 555.163484][ T7546] ? netlink_deliver_tap+0x1a0/0xd00 [ 555.168834][ T7546] ? _copy_from_iter+0x2c1/0x10f0 [ 555.174948][ T7546] netlink_unicast+0x53b/0x810 [ 555.179760][ T7546] ? netlink_attachskb+0x880/0x880 [ 555.185002][ T7546] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 555.191103][ T7546] ? __phys_addr_symbol+0x30/0x70 [ 555.196522][ T7546] ? __check_object_size+0x323/0x730 [ 555.202565][ T7546] netlink_sendmsg+0x93c/0xe40 [ 555.207463][ T7546] ? netlink_unicast+0x810/0x810 [ 555.212676][ T7546] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 555.218090][ T7546] ? netlink_unicast+0x810/0x810 [ 555.223202][ T7546] __sock_sendmsg+0xd5/0x180 [ 555.227838][ T7546] ____sys_sendmsg+0x6ac/0x940 [ 555.232904][ T7546] ? copy_msghdr_from_user+0x10b/0x160 [ 555.238492][ T7546] ? kernel_sendmsg+0x50/0x50 [ 555.243210][ T7546] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 555.249501][ T7546] ___sys_sendmsg+0x135/0x1d0 [ 555.254305][ T7546] ? do_recvmmsg+0x740/0x740 [ 555.259208][ T7546] ? find_held_lock+0x2d/0x110 [ 555.264199][ T7546] ? preempt_count_sub+0x150/0x150 [ 555.269448][ T7546] ? __fget_light+0x1fc/0x260 [ 555.274338][ T7546] __sys_sendmsg+0x117/0x1e0 [ 555.279766][ T7546] ? __sys_sendmsg_sock+0x30/0x30 [ 555.285016][ T7546] ? syscall_enter_from_user_mode+0x26/0x80 [ 555.291053][ T7546] do_syscall_64+0x3f/0x110 [ 555.296034][ T7546] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 555.302144][ T7546] RIP: 0033:0x7f2631248c19 [ 555.306578][ T7546] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 555.326469][ T7546] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 555.335183][ T7546] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 555.343356][ T7546] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 555.351519][ T7546] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 555.359871][ T7546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 555.368128][ T7546] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 555.376158][ T7546] [ 555.414471][ T7546] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 555.516730][ T7554] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 555.547004][ T7554] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 555.564404][ T7554] CPU: 1 PID: 7554 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 555.574975][ T7554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 555.585674][ T7554] Call Trace: [ 555.588985][ T7554] [ 555.591941][ T7554] dump_stack_lvl+0x125/0x1b0 [ 555.596939][ T7554] sysfs_warn_dup+0x7f/0xa0 [ 555.601586][ T7554] sysfs_create_dir_ns+0x247/0x2a0 [ 555.606768][ T7554] ? sysfs_create_mount_point+0xb0/0xb0 [ 555.612475][ T7554] ? spin_bug+0x1d0/0x1d0 [ 555.617315][ T7554] ? net_namespace+0x12/0x40 [ 555.621965][ T7554] ? device_namespace+0x8d/0xc0 [ 555.627044][ T7554] kobject_add_internal+0x2c8/0x960 [ 555.632580][ T7554] kobject_add+0x16f/0x240 [ 555.637411][ T7554] ? kset_create_and_add+0x190/0x190 [ 555.643110][ T7554] ? do_raw_spin_unlock+0x173/0x230 [ 555.648538][ T7554] ? kobject_put+0xbe/0x440 [ 555.653290][ T7554] ? device_add+0xc35/0x1aa0 [ 555.657933][ T7554] device_add+0x289/0x1aa0 [ 555.662482][ T7554] ? device_initialize+0x510/0x510 [ 555.667844][ T7554] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 555.674971][ T7554] ? __init_waitqueue_head+0xca/0x150 [ 555.680856][ T7554] netdev_register_kobject+0x183/0x3f0 [ 555.686593][ T7554] register_netdevice+0xbdf/0x14a0 [ 555.692369][ T7554] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 555.698579][ T7554] ? team_nl_cmd_noop+0x280/0x280 [ 555.703836][ T7554] team_newlink+0x92/0x160 [ 555.708647][ T7554] ? team_nl_cmd_noop+0x280/0x280 [ 555.713717][ T7554] ? rtnl_create_link+0xa6d/0xfd0 [ 555.718887][ T7554] __rtnl_newlink+0x1173/0x1930 [ 555.724760][ T7554] ? rtnl_link_unregister+0x260/0x260 [ 555.730203][ T7554] rtnl_newlink+0x67/0xa0 [ 555.734672][ T7554] ? __rtnl_newlink+0x1930/0x1930 [ 555.739729][ T7554] rtnetlink_rcv_msg+0x3c7/0xe00 [ 555.744697][ T7554] ? rtnl_getlink+0xb40/0xb40 [ 555.749488][ T7554] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 555.755769][ T7554] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 555.762066][ T7554] netlink_rcv_skb+0x16b/0x440 [ 555.767178][ T7554] ? rtnl_getlink+0xb40/0xb40 [ 555.772200][ T7554] ? netlink_ack+0x1370/0x1370 [ 555.777022][ T7554] ? lock_sync+0x190/0x190 [ 555.781531][ T7554] ? netlink_deliver_tap+0x1a0/0xd00 [ 555.787747][ T7554] ? _copy_from_iter+0x2c1/0x10f0 [ 555.792823][ T7554] netlink_unicast+0x53b/0x810 [ 555.797736][ T7554] ? netlink_attachskb+0x880/0x880 [ 555.802973][ T7554] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 555.808923][ T7554] ? __phys_addr_symbol+0x30/0x70 [ 555.813980][ T7554] ? __check_object_size+0x323/0x730 [ 555.819317][ T7554] netlink_sendmsg+0x93c/0xe40 [ 555.824741][ T7554] ? netlink_unicast+0x810/0x810 [ 555.829825][ T7554] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 555.836021][ T7554] ? netlink_unicast+0x810/0x810 [ 555.841253][ T7554] __sock_sendmsg+0xd5/0x180 [ 555.846046][ T7554] ____sys_sendmsg+0x6ac/0x940 [ 555.850843][ T7554] ? copy_msghdr_from_user+0x10b/0x160 [ 555.856951][ T7554] ? kernel_sendmsg+0x50/0x50 [ 555.861672][ T7554] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 555.867786][ T7554] ___sys_sendmsg+0x135/0x1d0 [ 555.872544][ T7554] ? do_recvmmsg+0x740/0x740 [ 555.877307][ T7554] ? find_held_lock+0x2d/0x110 [ 555.882119][ T7554] ? preempt_count_sub+0x150/0x150 [ 555.887297][ T7554] ? __fget_light+0x1fc/0x260 [ 555.892098][ T7554] __sys_sendmsg+0x117/0x1e0 [ 555.896815][ T7554] ? __sys_sendmsg_sock+0x30/0x30 [ 555.902065][ T7554] ? syscall_enter_from_user_mode+0x26/0x80 [ 555.908175][ T7554] do_syscall_64+0x3f/0x110 [ 555.912727][ T7554] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 555.918831][ T7554] RIP: 0033:0x7f2631248c19 [ 555.923269][ T7554] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 555.943089][ T7554] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 555.951632][ T7554] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 555.959811][ T7554] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 555.967809][ T7554] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 555.976166][ T7554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 555.984343][ T7554] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 555.993138][ T7554] [ 555.998933][ T7554] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 556.027584][ T7554] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 556.054567][ T7554] CPU: 1 PID: 7554 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 556.064879][ T7554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 556.075305][ T7554] Call Trace: [ 556.078688][ T7554] [ 556.081731][ T7554] dump_stack_lvl+0x125/0x1b0 [ 556.086593][ T7554] sysfs_warn_dup+0x7f/0xa0 [ 556.091137][ T7554] sysfs_create_dir_ns+0x247/0x2a0 [ 556.097080][ T7554] ? sysfs_create_mount_point+0xb0/0xb0 [ 556.102758][ T7554] ? spin_bug+0x1d0/0x1d0 [ 556.107476][ T7554] ? net_namespace+0x12/0x40 [ 556.112356][ T7554] ? device_namespace+0x8d/0xc0 [ 556.117256][ T7554] kobject_add_internal+0x2c8/0x960 [ 556.122600][ T7554] kobject_add+0x16f/0x240 [ 556.127580][ T7554] ? kset_create_and_add+0x190/0x190 [ 556.133276][ T7554] ? do_raw_spin_unlock+0x173/0x230 [ 556.138622][ T7554] ? kobject_put+0xbe/0x440 [ 556.143271][ T7554] ? device_add+0xc35/0x1aa0 [ 556.148266][ T7554] device_add+0x289/0x1aa0 [ 556.152771][ T7554] ? device_initialize+0x510/0x510 [ 556.157943][ T7554] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 556.164933][ T7554] ? __init_waitqueue_head+0xca/0x150 [ 556.170534][ T7554] netdev_register_kobject+0x183/0x3f0 [ 556.176472][ T7554] register_netdevice+0xbdf/0x14a0 [ 556.181716][ T7554] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 556.188009][ T7554] ? validate_linkmsg+0x6fc/0x9c0 [ 556.193089][ T7554] ? rtnl_create_link+0xa6d/0xfd0 [ 556.198330][ T7554] ? batadv_get_sset_count+0x40/0x40 [ 556.203764][ T7554] batadv_softif_newlink+0x70/0x90 [ 556.209008][ T7554] __rtnl_newlink+0x1173/0x1930 [ 556.214095][ T7554] ? rtnl_link_unregister+0x260/0x260 [ 556.219645][ T7554] rtnl_newlink+0x67/0xa0 [ 556.224632][ T7554] ? __rtnl_newlink+0x1930/0x1930 [ 556.229695][ T7554] rtnetlink_rcv_msg+0x3c7/0xe00 [ 556.234864][ T7554] ? rtnl_getlink+0xb40/0xb40 [ 556.239656][ T7554] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 556.245816][ T7554] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 556.252063][ T7554] netlink_rcv_skb+0x16b/0x440 [ 556.257500][ T7554] ? rtnl_getlink+0xb40/0xb40 [ 556.262424][ T7554] ? netlink_ack+0x1370/0x1370 [ 556.267227][ T7554] ? lock_sync+0x190/0x190 [ 556.271788][ T7554] ? netlink_deliver_tap+0x1a0/0xd00 [ 556.277217][ T7554] ? _copy_from_iter+0x2c1/0x10f0 [ 556.282821][ T7554] netlink_unicast+0x53b/0x810 [ 556.287909][ T7554] ? netlink_attachskb+0x880/0x880 [ 556.293152][ T7554] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 556.299254][ T7554] ? __phys_addr_symbol+0x30/0x70 [ 556.304397][ T7554] ? __check_object_size+0x323/0x730 [ 556.309908][ T7554] netlink_sendmsg+0x93c/0xe40 [ 556.314816][ T7554] ? netlink_unicast+0x810/0x810 [ 556.320050][ T7554] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 556.325994][ T7554] ? netlink_unicast+0x810/0x810 [ 556.331088][ T7554] __sock_sendmsg+0xd5/0x180 [ 556.336031][ T7554] ____sys_sendmsg+0x6ac/0x940 [ 556.340931][ T7554] ? copy_msghdr_from_user+0x10b/0x160 [ 556.346429][ T7554] ? kernel_sendmsg+0x50/0x50 [ 556.351752][ T7554] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 556.357880][ T7554] ___sys_sendmsg+0x135/0x1d0 [ 556.362642][ T7554] ? do_recvmmsg+0x740/0x740 [ 556.367446][ T7554] ? find_held_lock+0x2d/0x110 [ 556.372266][ T7554] ? preempt_count_sub+0x150/0x150 [ 556.377427][ T7554] ? __fget_light+0x1fc/0x260 [ 556.382228][ T7554] __sys_sendmsg+0x117/0x1e0 [ 556.386864][ T7554] ? __sys_sendmsg_sock+0x30/0x30 [ 556.392115][ T7554] ? syscall_enter_from_user_mode+0x26/0x80 [ 556.398046][ T7554] do_syscall_64+0x3f/0x110 [ 556.402852][ T7554] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 556.409037][ T7554] RIP: 0033:0x7f2631248c19 [ 556.413588][ T7554] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 556.434884][ T7554] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 556.443962][ T7554] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 556.452616][ T7554] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 556.460753][ T7554] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 556.469800][ T7554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 556.478063][ T7554] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 556.486092][ T7554] [ 556.491871][ T7554] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 556.598524][ T7562] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 556.626815][ T7562] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 556.636826][ T7562] CPU: 1 PID: 7562 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 556.646935][ T7562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 556.657204][ T7562] Call Trace: [ 556.660607][ T7562] [ 556.663659][ T7562] dump_stack_lvl+0x125/0x1b0 [ 556.668423][ T7562] sysfs_warn_dup+0x7f/0xa0 [ 556.673075][ T7562] sysfs_create_dir_ns+0x247/0x2a0 [ 556.678940][ T7562] ? sysfs_create_mount_point+0xb0/0xb0 [ 556.684682][ T7562] ? spin_bug+0x1d0/0x1d0 [ 556.689343][ T7562] ? net_namespace+0x12/0x40 [ 556.693971][ T7562] ? device_namespace+0x8d/0xc0 [ 556.699316][ T7562] kobject_add_internal+0x2c8/0x960 [ 556.704676][ T7562] kobject_add+0x16f/0x240 [ 556.709660][ T7562] ? kset_create_and_add+0x190/0x190 [ 556.715033][ T7562] ? do_raw_spin_unlock+0x173/0x230 [ 556.720286][ T7562] ? kobject_put+0xbe/0x440 [ 556.724921][ T7562] ? device_add+0xc35/0x1aa0 [ 556.729549][ T7562] device_add+0x289/0x1aa0 [ 556.734169][ T7562] ? device_initialize+0x510/0x510 [ 556.739618][ T7562] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 556.746526][ T7562] ? __init_waitqueue_head+0xca/0x150 [ 556.752045][ T7562] netdev_register_kobject+0x183/0x3f0 [ 556.757796][ T7562] register_netdevice+0xbdf/0x14a0 [ 556.763065][ T7562] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 556.769446][ T7562] ? team_nl_cmd_noop+0x280/0x280 [ 556.775043][ T7562] team_newlink+0x92/0x160 [ 556.780287][ T7562] ? team_nl_cmd_noop+0x280/0x280 [ 556.785348][ T7562] ? rtnl_create_link+0xa6d/0xfd0 [ 556.790521][ T7562] __rtnl_newlink+0x1173/0x1930 [ 556.795768][ T7562] ? rtnl_link_unregister+0x260/0x260 [ 556.801689][ T7562] rtnl_newlink+0x67/0xa0 [ 556.806066][ T7562] ? __rtnl_newlink+0x1930/0x1930 [ 556.811402][ T7562] rtnetlink_rcv_msg+0x3c7/0xe00 [ 556.816556][ T7562] ? rtnl_getlink+0xb40/0xb40 [ 556.821647][ T7562] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 556.827961][ T7562] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 556.834353][ T7562] netlink_rcv_skb+0x16b/0x440 [ 556.839341][ T7562] ? rtnl_getlink+0xb40/0xb40 [ 556.844073][ T7562] ? netlink_ack+0x1370/0x1370 [ 556.849065][ T7562] ? lock_sync+0x190/0x190 [ 556.854168][ T7562] ? netlink_deliver_tap+0x1a0/0xd00 [ 556.859783][ T7562] ? _copy_from_iter+0x2c1/0x10f0 [ 556.865297][ T7562] netlink_unicast+0x53b/0x810 [ 556.870379][ T7562] ? netlink_attachskb+0x880/0x880 [ 556.876164][ T7562] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 556.882377][ T7562] ? __phys_addr_symbol+0x30/0x70 [ 556.887827][ T7562] ? __check_object_size+0x323/0x730 [ 556.894027][ T7562] netlink_sendmsg+0x93c/0xe40 [ 556.898841][ T7562] ? netlink_unicast+0x810/0x810 [ 556.903858][ T7562] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 556.909529][ T7562] ? netlink_unicast+0x810/0x810 [ 556.914676][ T7562] __sock_sendmsg+0xd5/0x180 [ 556.919295][ T7562] ____sys_sendmsg+0x6ac/0x940 [ 556.924180][ T7562] ? copy_msghdr_from_user+0x10b/0x160 [ 556.929875][ T7562] ? kernel_sendmsg+0x50/0x50 [ 556.934684][ T7562] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 556.940993][ T7562] ___sys_sendmsg+0x135/0x1d0 [ 556.945816][ T7562] ? do_recvmmsg+0x740/0x740 [ 556.950548][ T7562] ? find_held_lock+0x2d/0x110 [ 556.955551][ T7562] ? preempt_count_sub+0x150/0x150 [ 556.961084][ T7562] ? __fget_light+0x1fc/0x260 [ 556.965924][ T7562] __sys_sendmsg+0x117/0x1e0 [ 556.970584][ T7562] ? __sys_sendmsg_sock+0x30/0x30 [ 556.977080][ T7562] ? syscall_enter_from_user_mode+0x26/0x80 [ 556.983293][ T7562] do_syscall_64+0x3f/0x110 [ 556.988214][ T7562] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 556.994257][ T7562] RIP: 0033:0x7f2631248c19 [ 556.998700][ T7562] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 557.019480][ T7562] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 557.028190][ T7562] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 557.036743][ T7562] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 557.045276][ T7562] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 557.054171][ T7562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 557.062665][ T7562] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 557.071209][ T7562] [ 557.120287][ T7562] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 557.157451][ T7562] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 557.166915][ T7562] CPU: 1 PID: 7562 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 557.177021][ T7562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 557.187203][ T7562] Call Trace: [ 557.190667][ T7562] [ 557.193606][ T7562] dump_stack_lvl+0x125/0x1b0 [ 557.198306][ T7562] sysfs_warn_dup+0x7f/0xa0 [ 557.202953][ T7562] sysfs_create_dir_ns+0x247/0x2a0 [ 557.208085][ T7562] ? sysfs_create_mount_point+0xb0/0xb0 [ 557.213752][ T7562] ? spin_bug+0x1d0/0x1d0 [ 557.218117][ T7562] ? net_namespace+0x12/0x40 [ 557.222915][ T7562] ? device_namespace+0x8d/0xc0 [ 557.227796][ T7562] kobject_add_internal+0x2c8/0x960 [ 557.233201][ T7562] kobject_add+0x16f/0x240 [ 557.237985][ T7562] ? kset_create_and_add+0x190/0x190 [ 557.243549][ T7562] ? do_raw_spin_unlock+0x173/0x230 [ 557.249431][ T7562] ? kobject_put+0xbe/0x440 [ 557.254244][ T7562] ? device_add+0xc35/0x1aa0 [ 557.259219][ T7562] device_add+0x289/0x1aa0 [ 557.263943][ T7562] ? device_initialize+0x510/0x510 [ 557.269867][ T7562] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 557.277008][ T7562] ? __init_waitqueue_head+0xca/0x150 [ 557.282712][ T7562] netdev_register_kobject+0x183/0x3f0 [ 557.288193][ T7562] register_netdevice+0xbdf/0x14a0 [ 557.293685][ T7562] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 557.300051][ T7562] ? validate_linkmsg+0x6fc/0x9c0 [ 557.305192][ T7562] ? rtnl_create_link+0xa6d/0xfd0 [ 557.310322][ T7562] ? batadv_get_sset_count+0x40/0x40 [ 557.316059][ T7562] batadv_softif_newlink+0x70/0x90 [ 557.321428][ T7562] __rtnl_newlink+0x1173/0x1930 [ 557.326490][ T7562] ? rtnl_link_unregister+0x260/0x260 [ 557.331985][ T7562] rtnl_newlink+0x67/0xa0 [ 557.336670][ T7562] ? __rtnl_newlink+0x1930/0x1930 [ 557.341839][ T7562] rtnetlink_rcv_msg+0x3c7/0xe00 [ 557.346815][ T7562] ? rtnl_getlink+0xb40/0xb40 [ 557.351501][ T7562] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 557.357809][ T7562] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 557.363914][ T7562] netlink_rcv_skb+0x16b/0x440 [ 557.369039][ T7562] ? rtnl_getlink+0xb40/0xb40 [ 557.373811][ T7562] ? netlink_ack+0x1370/0x1370 [ 557.379222][ T7562] ? lock_sync+0x190/0x190 [ 557.383757][ T7562] ? netlink_deliver_tap+0x1a0/0xd00 [ 557.389425][ T7562] ? _copy_from_iter+0x2c1/0x10f0 [ 557.394494][ T7562] netlink_unicast+0x53b/0x810 [ 557.399280][ T7562] ? netlink_attachskb+0x880/0x880 [ 557.404417][ T7562] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 557.410355][ T7562] ? __phys_addr_symbol+0x30/0x70 [ 557.415499][ T7562] ? __check_object_size+0x323/0x730 [ 557.420992][ T7562] netlink_sendmsg+0x93c/0xe40 [ 557.426043][ T7562] ? netlink_unicast+0x810/0x810 [ 557.431268][ T7562] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 557.436565][ T7562] ? netlink_unicast+0x810/0x810 [ 557.441777][ T7562] __sock_sendmsg+0xd5/0x180 [ 557.446492][ T7562] ____sys_sendmsg+0x6ac/0x940 [ 557.451390][ T7562] ? copy_msghdr_from_user+0x10b/0x160 [ 557.457483][ T7562] ? kernel_sendmsg+0x50/0x50 [ 557.462798][ T7562] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 557.469527][ T7562] ___sys_sendmsg+0x135/0x1d0 [ 557.474251][ T7562] ? do_recvmmsg+0x740/0x740 [ 557.478850][ T7562] ? find_held_lock+0x2d/0x110 [ 557.484024][ T7562] ? preempt_count_sub+0x150/0x150 [ 557.489819][ T7562] ? __fget_light+0x1fc/0x260 [ 557.495493][ T7562] __sys_sendmsg+0x117/0x1e0 [ 557.500239][ T7562] ? __sys_sendmsg_sock+0x30/0x30 [ 557.505481][ T7562] ? syscall_enter_from_user_mode+0x26/0x80 [ 557.511747][ T7562] do_syscall_64+0x3f/0x110 [ 557.516442][ T7562] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 557.522428][ T7562] RIP: 0033:0x7f2631248c19 [ 557.527030][ T7562] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 557.546830][ T7562] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 557.555571][ T7562] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 557.563672][ T7562] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 557.572714][ T7562] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 557.580880][ T7562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 557.589115][ T7562] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 557.597120][ T7562] [ 557.624482][ T7562] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 557.717000][ T7572] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 557.746438][ T7572] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 557.764408][ T7572] CPU: 1 PID: 7572 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 557.774637][ T7572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 557.785046][ T7572] Call Trace: [ 557.788552][ T7572] [ 557.791682][ T7572] dump_stack_lvl+0x125/0x1b0 [ 557.796588][ T7572] sysfs_warn_dup+0x7f/0xa0 [ 557.801237][ T7572] sysfs_create_dir_ns+0x247/0x2a0 [ 557.806401][ T7572] ? sysfs_create_mount_point+0xb0/0xb0 [ 557.812002][ T7572] ? spin_bug+0x1d0/0x1d0 [ 557.816643][ T7572] ? net_namespace+0x12/0x40 [ 557.821362][ T7572] ? device_namespace+0x8d/0xc0 [ 557.826358][ T7572] kobject_add_internal+0x2c8/0x960 [ 557.831625][ T7572] kobject_add+0x16f/0x240 [ 557.836184][ T7572] ? kset_create_and_add+0x190/0x190 [ 557.841530][ T7572] ? do_raw_spin_unlock+0x173/0x230 [ 557.846877][ T7572] ? kobject_put+0xbe/0x440 [ 557.851549][ T7572] ? device_add+0xc35/0x1aa0 [ 557.856298][ T7572] device_add+0x289/0x1aa0 [ 557.860933][ T7572] ? device_initialize+0x510/0x510 [ 557.866367][ T7572] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 557.873901][ T7572] ? __init_waitqueue_head+0xca/0x150 [ 557.879766][ T7572] netdev_register_kobject+0x183/0x3f0 [ 557.885377][ T7572] register_netdevice+0xbdf/0x14a0 [ 557.890723][ T7572] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 557.896847][ T7572] ? team_nl_cmd_noop+0x280/0x280 [ 557.902192][ T7572] team_newlink+0x92/0x160 [ 557.906668][ T7572] ? team_nl_cmd_noop+0x280/0x280 [ 557.911757][ T7572] ? rtnl_create_link+0xa6d/0xfd0 [ 557.916853][ T7572] __rtnl_newlink+0x1173/0x1930 [ 557.921845][ T7572] ? rtnl_link_unregister+0x260/0x260 [ 557.927749][ T7572] rtnl_newlink+0x67/0xa0 [ 557.932284][ T7572] ? __rtnl_newlink+0x1930/0x1930 [ 557.937344][ T7572] rtnetlink_rcv_msg+0x3c7/0xe00 [ 557.942386][ T7572] ? rtnl_getlink+0xb40/0xb40 [ 557.947098][ T7572] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 557.953269][ T7572] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 557.959486][ T7572] netlink_rcv_skb+0x16b/0x440 [ 557.964739][ T7572] ? rtnl_getlink+0xb40/0xb40 [ 557.969796][ T7572] ? netlink_ack+0x1370/0x1370 [ 557.975228][ T7572] ? lock_sync+0x190/0x190 [ 557.980154][ T7572] ? netlink_deliver_tap+0x1a0/0xd00 [ 557.985686][ T7572] ? _copy_from_iter+0x2c1/0x10f0 [ 557.990883][ T7572] netlink_unicast+0x53b/0x810 [ 557.995879][ T7572] ? netlink_attachskb+0x880/0x880 [ 558.001215][ T7572] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 558.008067][ T7572] ? __phys_addr_symbol+0x30/0x70 [ 558.013182][ T7572] ? __check_object_size+0x323/0x730 [ 558.018875][ T7572] netlink_sendmsg+0x93c/0xe40 [ 558.023956][ T7572] ? netlink_unicast+0x810/0x810 [ 558.029117][ T7572] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 558.034618][ T7572] ? netlink_unicast+0x810/0x810 [ 558.039595][ T7572] __sock_sendmsg+0xd5/0x180 [ 558.044228][ T7572] ____sys_sendmsg+0x6ac/0x940 [ 558.049291][ T7572] ? copy_msghdr_from_user+0x10b/0x160 [ 558.055063][ T7572] ? kernel_sendmsg+0x50/0x50 [ 558.059795][ T7572] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 558.065927][ T7572] ___sys_sendmsg+0x135/0x1d0 [ 558.070653][ T7572] ? do_recvmmsg+0x740/0x740 [ 558.075270][ T7572] ? find_held_lock+0x2d/0x110 [ 558.080172][ T7572] ? preempt_count_sub+0x150/0x150 [ 558.085676][ T7572] ? __fget_light+0x1fc/0x260 [ 558.090578][ T7572] __sys_sendmsg+0x117/0x1e0 [ 558.095302][ T7572] ? __sys_sendmsg_sock+0x30/0x30 [ 558.100480][ T7572] ? syscall_enter_from_user_mode+0x26/0x80 [ 558.106770][ T7572] do_syscall_64+0x3f/0x110 [ 558.111583][ T7572] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 558.117703][ T7572] RIP: 0033:0x7f2631248c19 [ 558.122413][ T7572] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 558.143222][ T7572] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 558.151933][ T7572] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 558.160976][ T7572] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 558.169190][ T7572] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 558.177285][ T7572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 558.185893][ T7572] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 558.194011][ T7572] [ 558.200045][ T7572] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 558.226855][ T7572] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 558.254416][ T7572] CPU: 1 PID: 7572 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 558.265164][ T7572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 558.275595][ T7572] Call Trace: [ 558.279068][ T7572] [ 558.282017][ T7572] dump_stack_lvl+0x125/0x1b0 [ 558.286994][ T7572] sysfs_warn_dup+0x7f/0xa0 [ 558.291537][ T7572] sysfs_create_dir_ns+0x247/0x2a0 [ 558.296698][ T7572] ? sysfs_create_mount_point+0xb0/0xb0 [ 558.302375][ T7572] ? spin_bug+0x1d0/0x1d0 [ 558.306754][ T7572] ? net_namespace+0x12/0x40 [ 558.311608][ T7572] ? device_namespace+0x8d/0xc0 [ 558.316681][ T7572] kobject_add_internal+0x2c8/0x960 [ 558.322022][ T7572] kobject_add+0x16f/0x240 [ 558.326840][ T7572] ? kset_create_and_add+0x190/0x190 [ 558.332269][ T7572] ? do_raw_spin_unlock+0x173/0x230 [ 558.337953][ T7572] ? kobject_put+0xbe/0x440 [ 558.342705][ T7572] ? device_add+0xc35/0x1aa0 [ 558.347429][ T7572] device_add+0x289/0x1aa0 [ 558.351896][ T7572] ? device_initialize+0x510/0x510 [ 558.357045][ T7572] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 558.364022][ T7572] ? __init_waitqueue_head+0xca/0x150 [ 558.369560][ T7572] netdev_register_kobject+0x183/0x3f0 [ 558.375520][ T7572] register_netdevice+0xbdf/0x14a0 [ 558.380666][ T7572] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 558.386673][ T7572] ? validate_linkmsg+0x6fc/0x9c0 [ 558.391827][ T7572] ? rtnl_create_link+0xa6d/0xfd0 [ 558.396896][ T7572] ? batadv_get_sset_count+0x40/0x40 [ 558.402285][ T7572] batadv_softif_newlink+0x70/0x90 [ 558.407627][ T7572] __rtnl_newlink+0x1173/0x1930 [ 558.412534][ T7572] ? rtnl_link_unregister+0x260/0x260 [ 558.417975][ T7572] rtnl_newlink+0x67/0xa0 [ 558.422685][ T7572] ? __rtnl_newlink+0x1930/0x1930 [ 558.427826][ T7572] rtnetlink_rcv_msg+0x3c7/0xe00 [ 558.432884][ T7572] ? rtnl_getlink+0xb40/0xb40 [ 558.437591][ T7572] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 558.443800][ T7572] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 558.450023][ T7572] netlink_rcv_skb+0x16b/0x440 [ 558.454828][ T7572] ? rtnl_getlink+0xb40/0xb40 [ 558.460154][ T7572] ? netlink_ack+0x1370/0x1370 [ 558.465431][ T7572] ? lock_sync+0x190/0x190 [ 558.469913][ T7572] ? netlink_deliver_tap+0x1a0/0xd00 [ 558.475234][ T7572] ? _copy_from_iter+0x2c1/0x10f0 [ 558.480390][ T7572] netlink_unicast+0x53b/0x810 [ 558.485268][ T7572] ? netlink_attachskb+0x880/0x880 [ 558.490522][ T7572] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 558.496548][ T7572] ? __phys_addr_symbol+0x30/0x70 [ 558.501882][ T7572] ? __check_object_size+0x323/0x730 [ 558.507494][ T7572] netlink_sendmsg+0x93c/0xe40 [ 558.512408][ T7572] ? netlink_unicast+0x810/0x810 [ 558.517489][ T7572] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 558.522830][ T7572] ? netlink_unicast+0x810/0x810 [ 558.527903][ T7572] __sock_sendmsg+0xd5/0x180 [ 558.533167][ T7572] ____sys_sendmsg+0x6ac/0x940 [ 558.538102][ T7572] ? copy_msghdr_from_user+0x10b/0x160 [ 558.544740][ T7572] ? kernel_sendmsg+0x50/0x50 [ 558.549638][ T7572] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 558.556144][ T7572] ___sys_sendmsg+0x135/0x1d0 [ 558.560961][ T7572] ? do_recvmmsg+0x740/0x740 [ 558.565846][ T7572] ? find_held_lock+0x2d/0x110 [ 558.570662][ T7572] ? preempt_count_sub+0x150/0x150 [ 558.575990][ T7572] ? __fget_light+0x1fc/0x260 [ 558.580717][ T7572] __sys_sendmsg+0x117/0x1e0 [ 558.585688][ T7572] ? __sys_sendmsg_sock+0x30/0x30 [ 558.590913][ T7572] ? syscall_enter_from_user_mode+0x26/0x80 [ 558.597032][ T7572] do_syscall_64+0x3f/0x110 [ 558.601578][ T7572] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 558.607935][ T7572] RIP: 0033:0x7f2631248c19 [ 558.612376][ T7572] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 558.634150][ T7572] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 558.643305][ T7572] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 558.651923][ T7572] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 558.660183][ T7572] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 558.669246][ T7572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 558.677610][ T7572] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 558.686141][ T7572] [ 558.724727][ T7572] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 558.806869][ T7582] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 558.836222][ T7582] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 558.854826][ T7582] CPU: 1 PID: 7582 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 558.865652][ T7582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 558.876086][ T7582] Call Trace: [ 558.879621][ T7582] [ 558.882766][ T7582] dump_stack_lvl+0x125/0x1b0 [ 558.888112][ T7582] sysfs_warn_dup+0x7f/0xa0 [ 558.893039][ T7582] sysfs_create_dir_ns+0x247/0x2a0 [ 558.898482][ T7582] ? sysfs_create_mount_point+0xb0/0xb0 [ 558.904530][ T7582] ? spin_bug+0x1d0/0x1d0 [ 558.908947][ T7582] ? net_namespace+0x12/0x40 [ 558.913677][ T7582] ? device_namespace+0x8d/0xc0 [ 558.918770][ T7582] kobject_add_internal+0x2c8/0x960 [ 558.924640][ T7582] kobject_add+0x16f/0x240 [ 558.929227][ T7582] ? kset_create_and_add+0x190/0x190 [ 558.934664][ T7582] ? do_raw_spin_unlock+0x173/0x230 [ 558.940097][ T7582] ? kobject_put+0xbe/0x440 [ 558.944935][ T7582] ? device_add+0xc35/0x1aa0 [ 558.949755][ T7582] device_add+0x289/0x1aa0 [ 558.954402][ T7582] ? device_initialize+0x510/0x510 [ 558.959666][ T7582] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 558.966929][ T7582] ? __init_waitqueue_head+0xca/0x150 [ 558.972977][ T7582] netdev_register_kobject+0x183/0x3f0 [ 558.978981][ T7582] register_netdevice+0xbdf/0x14a0 [ 558.984539][ T7582] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 558.990583][ T7582] ? team_nl_cmd_noop+0x280/0x280 [ 558.995873][ T7582] team_newlink+0x92/0x160 [ 559.000442][ T7582] ? team_nl_cmd_noop+0x280/0x280 [ 559.005772][ T7582] ? rtnl_create_link+0xa6d/0xfd0 [ 559.010855][ T7582] __rtnl_newlink+0x1173/0x1930 [ 559.016386][ T7582] ? rtnl_link_unregister+0x260/0x260 [ 559.022019][ T7582] rtnl_newlink+0x67/0xa0 [ 559.026394][ T7582] ? __rtnl_newlink+0x1930/0x1930 [ 559.032879][ T7582] rtnetlink_rcv_msg+0x3c7/0xe00 [ 559.038215][ T7582] ? rtnl_getlink+0xb40/0xb40 [ 559.042933][ T7582] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 559.048973][ T7582] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 559.055136][ T7582] netlink_rcv_skb+0x16b/0x440 [ 559.060045][ T7582] ? rtnl_getlink+0xb40/0xb40 [ 559.064867][ T7582] ? netlink_ack+0x1370/0x1370 [ 559.069939][ T7582] ? lock_sync+0x190/0x190 [ 559.074680][ T7582] ? netlink_deliver_tap+0x1a0/0xd00 [ 559.080188][ T7582] ? _copy_from_iter+0x2c1/0x10f0 [ 559.085540][ T7582] netlink_unicast+0x53b/0x810 [ 559.090358][ T7582] ? netlink_attachskb+0x880/0x880 [ 559.095599][ T7582] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 559.101628][ T7582] ? __phys_addr_symbol+0x30/0x70 [ 559.106896][ T7582] ? __check_object_size+0x323/0x730 [ 559.112501][ T7582] netlink_sendmsg+0x93c/0xe40 [ 559.117520][ T7582] ? netlink_unicast+0x810/0x810 [ 559.122744][ T7582] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 559.128530][ T7582] ? netlink_unicast+0x810/0x810 [ 559.133782][ T7582] __sock_sendmsg+0xd5/0x180 [ 559.139025][ T7582] ____sys_sendmsg+0x6ac/0x940 [ 559.143924][ T7582] ? copy_msghdr_from_user+0x10b/0x160 [ 559.149613][ T7582] ? kernel_sendmsg+0x50/0x50 [ 559.154344][ T7582] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 559.160471][ T7582] ___sys_sendmsg+0x135/0x1d0 [ 559.165225][ T7582] ? do_recvmmsg+0x740/0x740 [ 559.170075][ T7582] ? find_held_lock+0x2d/0x110 [ 559.175234][ T7582] ? preempt_count_sub+0x150/0x150 [ 559.180870][ T7582] ? __fget_light+0x1fc/0x260 [ 559.185608][ T7582] __sys_sendmsg+0x117/0x1e0 [ 559.190439][ T7582] ? __sys_sendmsg_sock+0x30/0x30 [ 559.196049][ T7582] ? syscall_enter_from_user_mode+0x26/0x80 [ 559.202349][ T7582] do_syscall_64+0x3f/0x110 [ 559.207957][ T7582] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 559.214328][ T7582] RIP: 0033:0x7f2631248c19 [ 559.218894][ T7582] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 559.239244][ T7582] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 559.247961][ T7582] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 559.256232][ T7582] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 559.265132][ T7582] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 559.273490][ T7582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 559.281662][ T7582] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 559.290469][ T7582] [ 559.308079][ T7582] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 559.339950][ T7582] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 559.349529][ T7582] CPU: 1 PID: 7582 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 559.359624][ T7582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 559.371047][ T7582] Call Trace: [ 559.374435][ T7582] [ 559.377473][ T7582] dump_stack_lvl+0x125/0x1b0 [ 559.382347][ T7582] sysfs_warn_dup+0x7f/0xa0 [ 559.387246][ T7582] sysfs_create_dir_ns+0x247/0x2a0 [ 559.392410][ T7582] ? sysfs_create_mount_point+0xb0/0xb0 [ 559.398272][ T7582] ? spin_bug+0x1d0/0x1d0 [ 559.402736][ T7582] ? net_namespace+0x12/0x40 [ 559.407549][ T7582] ? device_namespace+0x8d/0xc0 [ 559.412522][ T7582] kobject_add_internal+0x2c8/0x960 [ 559.418373][ T7582] kobject_add+0x16f/0x240 [ 559.423935][ T7582] ? kset_create_and_add+0x190/0x190 [ 559.429792][ T7582] ? do_raw_spin_unlock+0x173/0x230 [ 559.435111][ T7582] ? kobject_put+0xbe/0x440 [ 559.439643][ T7582] ? device_add+0xc35/0x1aa0 [ 559.445914][ T7582] device_add+0x289/0x1aa0 [ 559.450476][ T7582] ? device_initialize+0x510/0x510 [ 559.456056][ T7582] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 559.463211][ T7582] ? __init_waitqueue_head+0xca/0x150 [ 559.468622][ T7582] netdev_register_kobject+0x183/0x3f0 [ 559.474367][ T7582] register_netdevice+0xbdf/0x14a0 [ 559.479765][ T7582] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 559.486284][ T7582] ? validate_linkmsg+0x6fc/0x9c0 [ 559.491416][ T7582] ? rtnl_create_link+0xa6d/0xfd0 [ 559.496813][ T7582] ? batadv_get_sset_count+0x40/0x40 [ 559.502297][ T7582] batadv_softif_newlink+0x70/0x90 [ 559.507604][ T7582] __rtnl_newlink+0x1173/0x1930 [ 559.512514][ T7582] ? rtnl_link_unregister+0x260/0x260 [ 559.517958][ T7582] rtnl_newlink+0x67/0xa0 [ 559.522477][ T7582] ? __rtnl_newlink+0x1930/0x1930 [ 559.528136][ T7582] rtnetlink_rcv_msg+0x3c7/0xe00 [ 559.533439][ T7582] ? rtnl_getlink+0xb40/0xb40 [ 559.538312][ T7582] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 559.544321][ T7582] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 559.550673][ T7582] netlink_rcv_skb+0x16b/0x440 [ 559.555627][ T7582] ? rtnl_getlink+0xb40/0xb40 [ 559.560452][ T7582] ? netlink_ack+0x1370/0x1370 [ 559.565270][ T7582] ? lock_sync+0x190/0x190 [ 559.569808][ T7582] ? netlink_deliver_tap+0x1a0/0xd00 [ 559.575136][ T7582] ? _copy_from_iter+0x2c1/0x10f0 [ 559.580362][ T7582] netlink_unicast+0x53b/0x810 [ 559.585322][ T7582] ? netlink_attachskb+0x880/0x880 [ 559.590447][ T7582] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 559.596439][ T7582] ? __phys_addr_symbol+0x30/0x70 [ 559.601559][ T7582] ? __check_object_size+0x323/0x730 [ 559.606865][ T7582] netlink_sendmsg+0x93c/0xe40 [ 559.611733][ T7582] ? netlink_unicast+0x810/0x810 [ 559.616694][ T7582] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 559.622173][ T7582] ? netlink_unicast+0x810/0x810 [ 559.627387][ T7582] __sock_sendmsg+0xd5/0x180 [ 559.632164][ T7582] ____sys_sendmsg+0x6ac/0x940 [ 559.637108][ T7582] ? copy_msghdr_from_user+0x10b/0x160 [ 559.642757][ T7582] ? kernel_sendmsg+0x50/0x50 [ 559.647458][ T7582] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 559.653632][ T7582] ___sys_sendmsg+0x135/0x1d0 [ 559.658500][ T7582] ? do_recvmmsg+0x740/0x740 [ 559.663543][ T7582] ? find_held_lock+0x2d/0x110 [ 559.668548][ T7582] ? preempt_count_sub+0x150/0x150 [ 559.673779][ T7582] ? __fget_light+0x1fc/0x260 [ 559.678476][ T7582] __sys_sendmsg+0x117/0x1e0 [ 559.683195][ T7582] ? __sys_sendmsg_sock+0x30/0x30 [ 559.688452][ T7582] ? syscall_enter_from_user_mode+0x26/0x80 [ 559.694632][ T7582] do_syscall_64+0x3f/0x110 [ 559.699240][ T7582] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 559.705354][ T7582] RIP: 0033:0x7f2631248c19 [ 559.709832][ T7582] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 559.729656][ T7582] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 559.738269][ T7582] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 559.746257][ T7582] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 559.754243][ T7582] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 559.762565][ T7582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 559.770543][ T7582] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 559.778622][ T7582] [ 559.794693][ T7582] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 559.887981][ T7595] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 559.913016][ T7595] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 559.944714][ T7595] CPU: 0 PID: 7595 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 559.955250][ T7595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 559.965546][ T7595] Call Trace: [ 559.968872][ T7595] [ 559.971840][ T7595] dump_stack_lvl+0x125/0x1b0 [ 559.976587][ T7595] sysfs_warn_dup+0x7f/0xa0 [ 559.981352][ T7595] sysfs_create_dir_ns+0x247/0x2a0 [ 559.986877][ T7595] ? sysfs_create_mount_point+0xb0/0xb0 [ 559.992475][ T7595] ? spin_bug+0x1d0/0x1d0 [ 559.996851][ T7595] ? net_namespace+0x12/0x40 [ 560.001572][ T7595] ? device_namespace+0x8d/0xc0 [ 560.006661][ T7595] kobject_add_internal+0x2c8/0x960 [ 560.012019][ T7595] kobject_add+0x16f/0x240 [ 560.016509][ T7595] ? kset_create_and_add+0x190/0x190 [ 560.022222][ T7595] ? do_raw_spin_unlock+0x173/0x230 [ 560.027664][ T7595] ? kobject_put+0xbe/0x440 [ 560.032224][ T7595] ? device_add+0xc35/0x1aa0 [ 560.037032][ T7595] device_add+0x289/0x1aa0 [ 560.041745][ T7595] ? device_initialize+0x510/0x510 [ 560.047015][ T7595] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 560.054197][ T7595] ? __init_waitqueue_head+0xca/0x150 [ 560.059642][ T7595] netdev_register_kobject+0x183/0x3f0 [ 560.065616][ T7595] register_netdevice+0xbdf/0x14a0 [ 560.070858][ T7595] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 560.077001][ T7595] ? team_nl_cmd_noop+0x280/0x280 [ 560.082511][ T7595] team_newlink+0x92/0x160 [ 560.087585][ T7595] ? team_nl_cmd_noop+0x280/0x280 [ 560.092835][ T7595] ? rtnl_create_link+0xa6d/0xfd0 [ 560.103482][ T7595] __rtnl_newlink+0x1173/0x1930 [ 560.108918][ T7595] ? rtnl_link_unregister+0x260/0x260 [ 560.114458][ T7595] rtnl_newlink+0x67/0xa0 [ 560.118835][ T7595] ? __rtnl_newlink+0x1930/0x1930 [ 560.123889][ T7595] rtnetlink_rcv_msg+0x3c7/0xe00 [ 560.129126][ T7595] ? rtnl_getlink+0xb40/0xb40 [ 560.133829][ T7595] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 560.140034][ T7595] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 560.146239][ T7595] netlink_rcv_skb+0x16b/0x440 [ 560.151044][ T7595] ? rtnl_getlink+0xb40/0xb40 [ 560.156097][ T7595] ? netlink_ack+0x1370/0x1370 [ 560.160995][ T7595] ? lock_sync+0x190/0x190 [ 560.165487][ T7595] ? netlink_deliver_tap+0x1a0/0xd00 [ 560.170811][ T7595] ? _copy_from_iter+0x2c1/0x10f0 [ 560.175970][ T7595] netlink_unicast+0x53b/0x810 [ 560.180909][ T7595] ? netlink_attachskb+0x880/0x880 [ 560.186079][ T7595] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 560.192205][ T7595] ? __phys_addr_symbol+0x30/0x70 [ 560.197366][ T7595] ? __check_object_size+0x323/0x730 [ 560.203079][ T7595] netlink_sendmsg+0x93c/0xe40 [ 560.208160][ T7595] ? netlink_unicast+0x810/0x810 [ 560.213250][ T7595] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 560.218936][ T7595] ? netlink_unicast+0x810/0x810 [ 560.225078][ T7595] __sock_sendmsg+0xd5/0x180 [ 560.230740][ T7595] ____sys_sendmsg+0x6ac/0x940 [ 560.235571][ T7595] ? copy_msghdr_from_user+0x10b/0x160 [ 560.241239][ T7595] ? kernel_sendmsg+0x50/0x50 [ 560.246033][ T7595] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 560.252237][ T7595] ___sys_sendmsg+0x135/0x1d0 [ 560.257226][ T7595] ? do_recvmmsg+0x740/0x740 [ 560.261867][ T7595] ? find_held_lock+0x2d/0x110 [ 560.266852][ T7595] ? preempt_count_sub+0x150/0x150 [ 560.272030][ T7595] ? __fget_light+0x1fc/0x260 [ 560.276843][ T7595] __sys_sendmsg+0x117/0x1e0 [ 560.281792][ T7595] ? __sys_sendmsg_sock+0x30/0x30 [ 560.287245][ T7595] ? syscall_enter_from_user_mode+0x26/0x80 [ 560.293280][ T7595] do_syscall_64+0x3f/0x110 [ 560.297908][ T7595] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 560.304005][ T7595] RIP: 0033:0x7f2631248c19 [ 560.308619][ T7595] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 560.330106][ T7595] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 560.338918][ T7595] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 560.348197][ T7595] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 560.356220][ T7595] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 560.364665][ T7595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 560.372935][ T7595] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 560.381154][ T7595] [ 560.389152][ T7595] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 560.418800][ T7595] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 560.428812][ T7595] CPU: 0 PID: 7595 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 560.439272][ T7595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 560.450367][ T7595] Call Trace: [ 560.453936][ T7595] [ 560.457226][ T7595] dump_stack_lvl+0x125/0x1b0 [ 560.462052][ T7595] sysfs_warn_dup+0x7f/0xa0 [ 560.466719][ T7595] sysfs_create_dir_ns+0x247/0x2a0 [ 560.472163][ T7595] ? sysfs_create_mount_point+0xb0/0xb0 [ 560.477855][ T7595] ? spin_bug+0x1d0/0x1d0 [ 560.482592][ T7595] ? net_namespace+0x12/0x40 [ 560.487220][ T7595] ? device_namespace+0x8d/0xc0 [ 560.492228][ T7595] kobject_add_internal+0x2c8/0x960 [ 560.497676][ T7595] kobject_add+0x16f/0x240 [ 560.502507][ T7595] ? kset_create_and_add+0x190/0x190 [ 560.508553][ T7595] ? do_raw_spin_unlock+0x173/0x230 [ 560.513892][ T7595] ? kobject_put+0xbe/0x440 [ 560.518637][ T7595] ? device_add+0xc35/0x1aa0 [ 560.523531][ T7595] device_add+0x289/0x1aa0 [ 560.528586][ T7595] ? device_initialize+0x510/0x510 [ 560.533848][ T7595] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 560.540854][ T7595] ? __init_waitqueue_head+0xca/0x150 [ 560.546416][ T7595] netdev_register_kobject+0x183/0x3f0 [ 560.552013][ T7595] register_netdevice+0xbdf/0x14a0 [ 560.557174][ T7595] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 560.563268][ T7595] ? validate_linkmsg+0x6fc/0x9c0 [ 560.568952][ T7595] ? rtnl_create_link+0xa6d/0xfd0 [ 560.575246][ T7595] ? batadv_get_sset_count+0x40/0x40 [ 560.581094][ T7595] batadv_softif_newlink+0x70/0x90 [ 560.586252][ T7595] __rtnl_newlink+0x1173/0x1930 [ 560.591464][ T7595] ? rtnl_link_unregister+0x260/0x260 [ 560.596942][ T7595] rtnl_newlink+0x67/0xa0 [ 560.601670][ T7595] ? __rtnl_newlink+0x1930/0x1930 [ 560.606734][ T7595] rtnetlink_rcv_msg+0x3c7/0xe00 [ 560.611818][ T7595] ? rtnl_getlink+0xb40/0xb40 [ 560.616719][ T7595] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 560.623178][ T7595] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 560.629218][ T7595] netlink_rcv_skb+0x16b/0x440 [ 560.634111][ T7595] ? rtnl_getlink+0xb40/0xb40 [ 560.639083][ T7595] ? netlink_ack+0x1370/0x1370 [ 560.644493][ T7595] ? lock_sync+0x190/0x190 [ 560.649138][ T7595] ? netlink_deliver_tap+0x1a0/0xd00 [ 560.654652][ T7595] ? _copy_from_iter+0x2c1/0x10f0 [ 560.660155][ T7595] netlink_unicast+0x53b/0x810 [ 560.665187][ T7595] ? netlink_attachskb+0x880/0x880 [ 560.670610][ T7595] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 560.676985][ T7595] ? __phys_addr_symbol+0x30/0x70 [ 560.682230][ T7595] ? __check_object_size+0x323/0x730 [ 560.687998][ T7595] netlink_sendmsg+0x93c/0xe40 [ 560.692992][ T7595] ? netlink_unicast+0x810/0x810 [ 560.698065][ T7595] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 560.703563][ T7595] ? netlink_unicast+0x810/0x810 [ 560.708631][ T7595] __sock_sendmsg+0xd5/0x180 [ 560.713599][ T7595] ____sys_sendmsg+0x6ac/0x940 [ 560.718486][ T7595] ? copy_msghdr_from_user+0x10b/0x160 [ 560.723983][ T7595] ? kernel_sendmsg+0x50/0x50 [ 560.728870][ T7595] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 560.734994][ T7595] ___sys_sendmsg+0x135/0x1d0 [ 560.739705][ T7595] ? do_recvmmsg+0x740/0x740 [ 560.744409][ T7595] ? find_held_lock+0x2d/0x110 [ 560.753761][ T7595] ? preempt_count_sub+0x150/0x150 [ 560.759351][ T7595] ? __fget_light+0x1fc/0x260 [ 560.764678][ T7595] __sys_sendmsg+0x117/0x1e0 [ 560.769401][ T7595] ? __sys_sendmsg_sock+0x30/0x30 [ 560.774475][ T7595] ? syscall_enter_from_user_mode+0x26/0x80 [ 560.780406][ T7595] do_syscall_64+0x3f/0x110 [ 560.785136][ T7595] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 560.791072][ T7595] RIP: 0033:0x7f2631248c19 [ 560.795511][ T7595] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 560.815502][ T7595] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 560.824909][ T7595] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 560.833081][ T7595] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 560.841290][ T7595] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 560.849730][ T7595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 560.858011][ T7595] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 560.866216][ T7595] [ 560.871575][ T7595] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 560.976554][ T7599] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 560.994819][ T7599] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 561.006465][ T7599] CPU: 0 PID: 7599 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 561.018111][ T7599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 561.029052][ T7599] Call Trace: [ 561.032544][ T7599] [ 561.035783][ T7599] dump_stack_lvl+0x125/0x1b0 [ 561.040588][ T7599] sysfs_warn_dup+0x7f/0xa0 [ 561.045570][ T7599] sysfs_create_dir_ns+0x247/0x2a0 [ 561.051125][ T7599] ? sysfs_create_mount_point+0xb0/0xb0 [ 561.056870][ T7599] ? spin_bug+0x1d0/0x1d0 [ 561.061579][ T7599] ? net_namespace+0x12/0x40 [ 561.066448][ T7599] ? device_namespace+0x8d/0xc0 [ 561.072808][ T7599] kobject_add_internal+0x2c8/0x960 [ 561.078303][ T7599] kobject_add+0x16f/0x240 [ 561.082913][ T7599] ? kset_create_and_add+0x190/0x190 [ 561.088660][ T7599] ? do_raw_spin_unlock+0x173/0x230 [ 561.094235][ T7599] ? kobject_put+0xbe/0x440 [ 561.099205][ T7599] ? device_add+0xc35/0x1aa0 [ 561.103917][ T7599] device_add+0x289/0x1aa0 [ 561.108606][ T7599] ? device_initialize+0x510/0x510 [ 561.113870][ T7599] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 561.121197][ T7599] ? __init_waitqueue_head+0xca/0x150 [ 561.126590][ T7599] netdev_register_kobject+0x183/0x3f0 [ 561.132898][ T7599] register_netdevice+0xbdf/0x14a0 [ 561.138460][ T7599] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 561.144544][ T7599] ? team_nl_cmd_noop+0x280/0x280 [ 561.149677][ T7599] team_newlink+0x92/0x160 [ 561.154289][ T7599] ? team_nl_cmd_noop+0x280/0x280 [ 561.159347][ T7599] ? rtnl_create_link+0xa6d/0xfd0 [ 561.164438][ T7599] __rtnl_newlink+0x1173/0x1930 [ 561.169420][ T7599] ? rtnl_link_unregister+0x260/0x260 [ 561.175119][ T7599] rtnl_newlink+0x67/0xa0 [ 561.180514][ T7599] ? __rtnl_newlink+0x1930/0x1930 [ 561.187218][ T7599] rtnetlink_rcv_msg+0x3c7/0xe00 [ 561.192268][ T7599] ? rtnl_getlink+0xb40/0xb40 [ 561.197137][ T7599] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 561.203160][ T7599] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 561.209374][ T7599] netlink_rcv_skb+0x16b/0x440 [ 561.214507][ T7599] ? rtnl_getlink+0xb40/0xb40 [ 561.223749][ T7599] ? netlink_ack+0x1370/0x1370 [ 561.229928][ T7599] ? lock_sync+0x190/0x190 [ 561.235075][ T7599] ? netlink_deliver_tap+0x1a0/0xd00 [ 561.240959][ T7599] ? _copy_from_iter+0x2c1/0x10f0 [ 561.246544][ T7599] netlink_unicast+0x53b/0x810 [ 561.257719][ T7599] ? netlink_attachskb+0x880/0x880 [ 561.265073][ T7599] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 561.271605][ T7599] ? __phys_addr_symbol+0x30/0x70 [ 561.277772][ T7599] ? __check_object_size+0x323/0x730 [ 561.283079][ T7599] netlink_sendmsg+0x93c/0xe40 [ 561.288309][ T7599] ? netlink_unicast+0x810/0x810 [ 561.293264][ T7599] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 561.298816][ T7599] ? netlink_unicast+0x810/0x810 [ 561.304042][ T7599] __sock_sendmsg+0xd5/0x180 [ 561.308955][ T7599] ____sys_sendmsg+0x6ac/0x940 [ 561.314012][ T7599] ? copy_msghdr_from_user+0x10b/0x160 [ 561.319588][ T7599] ? kernel_sendmsg+0x50/0x50 [ 561.324466][ T7599] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 561.331208][ T7599] ___sys_sendmsg+0x135/0x1d0 [ 561.336073][ T7599] ? do_recvmmsg+0x740/0x740 [ 561.340671][ T7599] ? find_held_lock+0x2d/0x110 [ 561.345458][ T7599] ? preempt_count_sub+0x150/0x150 [ 561.350942][ T7599] ? __fget_light+0x1fc/0x260 [ 561.355971][ T7599] __sys_sendmsg+0x117/0x1e0 [ 561.360844][ T7599] ? __sys_sendmsg_sock+0x30/0x30 [ 561.366500][ T7599] ? syscall_enter_from_user_mode+0x26/0x80 [ 561.372786][ T7599] do_syscall_64+0x3f/0x110 [ 561.377319][ T7599] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 561.383223][ T7599] RIP: 0033:0x7f2631248c19 [ 561.387910][ T7599] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 561.407803][ T7599] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 561.416633][ T7599] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 561.424969][ T7599] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 561.433237][ T7599] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 561.441397][ T7599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 561.449386][ T7599] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 561.457828][ T7599] [ 561.474458][ T7599] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 561.524201][ T7599] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 561.534154][ T7599] CPU: 0 PID: 7599 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 561.544259][ T7599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 561.554870][ T7599] Call Trace: [ 561.558265][ T7599] [ 561.561401][ T7599] dump_stack_lvl+0x125/0x1b0 [ 561.566218][ T7599] sysfs_warn_dup+0x7f/0xa0 [ 561.570779][ T7599] sysfs_create_dir_ns+0x247/0x2a0 [ 561.575941][ T7599] ? sysfs_create_mount_point+0xb0/0xb0 [ 561.581624][ T7599] ? spin_bug+0x1d0/0x1d0 [ 561.586347][ T7599] ? net_namespace+0x12/0x40 [ 561.591142][ T7599] ? device_namespace+0x8d/0xc0 [ 561.596207][ T7599] kobject_add_internal+0x2c8/0x960 [ 561.601636][ T7599] kobject_add+0x16f/0x240 [ 561.606100][ T7599] ? kset_create_and_add+0x190/0x190 [ 561.611688][ T7599] ? do_raw_spin_unlock+0x173/0x230 [ 561.617288][ T7599] ? kobject_put+0xbe/0x440 [ 561.621942][ T7599] ? device_add+0xc35/0x1aa0 [ 561.626674][ T7599] device_add+0x289/0x1aa0 [ 561.631400][ T7599] ? device_initialize+0x510/0x510 [ 561.636660][ T7599] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 561.643669][ T7599] ? __init_waitqueue_head+0xca/0x150 [ 561.649089][ T7599] netdev_register_kobject+0x183/0x3f0 [ 561.655830][ T7599] register_netdevice+0xbdf/0x14a0 [ 561.661272][ T7599] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 561.667459][ T7599] ? validate_linkmsg+0x6fc/0x9c0 [ 561.672610][ T7599] ? rtnl_create_link+0xa6d/0xfd0 [ 561.677854][ T7599] ? batadv_get_sset_count+0x40/0x40 [ 561.683436][ T7599] batadv_softif_newlink+0x70/0x90 [ 561.688792][ T7599] __rtnl_newlink+0x1173/0x1930 [ 561.693791][ T7599] ? rtnl_link_unregister+0x260/0x260 [ 561.699233][ T7599] rtnl_newlink+0x67/0xa0 [ 561.703767][ T7599] ? __rtnl_newlink+0x1930/0x1930 [ 561.709175][ T7599] rtnetlink_rcv_msg+0x3c7/0xe00 [ 561.714759][ T7599] ? rtnl_getlink+0xb40/0xb40 [ 561.719735][ T7599] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 561.726298][ T7599] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 561.732692][ T7599] netlink_rcv_skb+0x16b/0x440 [ 561.737504][ T7599] ? rtnl_getlink+0xb40/0xb40 [ 561.742326][ T7599] ? netlink_ack+0x1370/0x1370 [ 561.747399][ T7599] ? lock_sync+0x190/0x190 [ 561.752119][ T7599] ? netlink_deliver_tap+0x1a0/0xd00 [ 561.757898][ T7599] ? _copy_from_iter+0x2c1/0x10f0 [ 561.763072][ T7599] netlink_unicast+0x53b/0x810 [ 561.767989][ T7599] ? netlink_attachskb+0x880/0x880 [ 561.773269][ T7599] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 561.779207][ T7599] ? __phys_addr_symbol+0x30/0x70 [ 561.784378][ T7599] ? __check_object_size+0x323/0x730 [ 561.790439][ T7599] netlink_sendmsg+0x93c/0xe40 [ 561.795368][ T7599] ? netlink_unicast+0x810/0x810 [ 561.800354][ T7599] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 561.806019][ T7599] ? netlink_unicast+0x810/0x810 [ 561.811340][ T7599] __sock_sendmsg+0xd5/0x180 [ 561.815972][ T7599] ____sys_sendmsg+0x6ac/0x940 [ 561.820854][ T7599] ? copy_msghdr_from_user+0x10b/0x160 [ 561.826433][ T7599] ? kernel_sendmsg+0x50/0x50 [ 561.831315][ T7599] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 561.837437][ T7599] ___sys_sendmsg+0x135/0x1d0 [ 561.842233][ T7599] ? do_recvmmsg+0x740/0x740 [ 561.846850][ T7599] ? find_held_lock+0x2d/0x110 [ 561.851831][ T7599] ? preempt_count_sub+0x150/0x150 [ 561.857159][ T7599] ? __fget_light+0x1fc/0x260 [ 561.862049][ T7599] __sys_sendmsg+0x117/0x1e0 [ 561.866998][ T7599] ? __sys_sendmsg_sock+0x30/0x30 [ 561.872353][ T7599] ? syscall_enter_from_user_mode+0x26/0x80 [ 561.878641][ T7599] do_syscall_64+0x3f/0x110 [ 561.883305][ T7599] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 561.889362][ T7599] RIP: 0033:0x7f2631248c19 [ 561.893923][ T7599] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 561.913828][ T7599] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 561.922398][ T7599] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 561.930577][ T7599] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 561.938761][ T7599] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 561.947118][ T7599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 561.955294][ T7599] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 561.963422][ T7599] [ 561.972840][ T7599] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 562.046825][ T7605] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 562.076775][ T7605] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 562.098204][ T7605] CPU: 1 PID: 7605 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 562.108441][ T7605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 562.118708][ T7605] Call Trace: [ 562.122315][ T7605] [ 562.125367][ T7605] dump_stack_lvl+0x125/0x1b0 [ 562.130534][ T7605] sysfs_warn_dup+0x7f/0xa0 [ 562.135364][ T7605] sysfs_create_dir_ns+0x247/0x2a0 [ 562.140630][ T7605] ? sysfs_create_mount_point+0xb0/0xb0 [ 562.146308][ T7605] ? spin_bug+0x1d0/0x1d0 [ 562.150767][ T7605] ? net_namespace+0x12/0x40 [ 562.155662][ T7605] ? device_namespace+0x8d/0xc0 [ 562.160574][ T7605] kobject_add_internal+0x2c8/0x960 [ 562.165944][ T7605] kobject_add+0x16f/0x240 [ 562.170407][ T7605] ? kset_create_and_add+0x190/0x190 [ 562.175925][ T7605] ? do_raw_spin_unlock+0x173/0x230 [ 562.181306][ T7605] ? kobject_put+0xbe/0x440 [ 562.186030][ T7605] ? device_add+0xc35/0x1aa0 [ 562.190927][ T7605] device_add+0x289/0x1aa0 [ 562.195370][ T7605] ? device_initialize+0x510/0x510 [ 562.200609][ T7605] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 562.207948][ T7605] ? __init_waitqueue_head+0xca/0x150 [ 562.213460][ T7605] netdev_register_kobject+0x183/0x3f0 [ 562.218960][ T7605] register_netdevice+0xbdf/0x14a0 [ 562.224106][ T7605] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 562.230038][ T7605] ? team_nl_cmd_noop+0x280/0x280 [ 562.235271][ T7605] team_newlink+0x92/0x160 [ 562.240332][ T7605] ? team_nl_cmd_noop+0x280/0x280 [ 562.245390][ T7605] ? rtnl_create_link+0xa6d/0xfd0 [ 562.250459][ T7605] __rtnl_newlink+0x1173/0x1930 [ 562.255351][ T7605] ? rtnl_link_unregister+0x260/0x260 [ 562.260876][ T7605] rtnl_newlink+0x67/0xa0 [ 562.265318][ T7605] ? __rtnl_newlink+0x1930/0x1930 [ 562.270800][ T7605] rtnetlink_rcv_msg+0x3c7/0xe00 [ 562.276219][ T7605] ? rtnl_getlink+0xb40/0xb40 [ 562.281280][ T7605] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 562.287311][ T7605] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 562.293781][ T7605] netlink_rcv_skb+0x16b/0x440 [ 562.299215][ T7605] ? rtnl_getlink+0xb40/0xb40 [ 562.303932][ T7605] ? netlink_ack+0x1370/0x1370 [ 562.309285][ T7605] ? lock_sync+0x190/0x190 [ 562.313768][ T7605] ? netlink_deliver_tap+0x1a0/0xd00 [ 562.319115][ T7605] ? _copy_from_iter+0x2c1/0x10f0 [ 562.324271][ T7605] netlink_unicast+0x53b/0x810 [ 562.329360][ T7605] ? netlink_attachskb+0x880/0x880 [ 562.335295][ T7605] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 562.341662][ T7605] ? __phys_addr_symbol+0x30/0x70 [ 562.346911][ T7605] ? __check_object_size+0x323/0x730 [ 562.352500][ T7605] netlink_sendmsg+0x93c/0xe40 [ 562.357431][ T7605] ? netlink_unicast+0x810/0x810 [ 562.362494][ T7605] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 562.367926][ T7605] ? netlink_unicast+0x810/0x810 [ 562.373077][ T7605] __sock_sendmsg+0xd5/0x180 [ 562.377799][ T7605] ____sys_sendmsg+0x6ac/0x940 [ 562.382712][ T7605] ? copy_msghdr_from_user+0x10b/0x160 [ 562.388642][ T7605] ? kernel_sendmsg+0x50/0x50 [ 562.393442][ T7605] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 562.401474][ T7605] ___sys_sendmsg+0x135/0x1d0 [ 562.406225][ T7605] ? do_recvmmsg+0x740/0x740 [ 562.411103][ T7605] ? find_held_lock+0x2d/0x110 [ 562.416004][ T7605] ? preempt_count_sub+0x150/0x150 [ 562.421333][ T7605] ? __fget_light+0x1fc/0x260 [ 562.426165][ T7605] __sys_sendmsg+0x117/0x1e0 [ 562.430802][ T7605] ? __sys_sendmsg_sock+0x30/0x30 [ 562.436039][ T7605] ? syscall_enter_from_user_mode+0x26/0x80 [ 562.443272][ T7605] do_syscall_64+0x3f/0x110 [ 562.447815][ T7605] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 562.454754][ T7605] RIP: 0033:0x7f2631248c19 [ 562.459302][ T7605] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 562.479402][ T7605] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 562.487961][ T7605] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 562.496134][ T7605] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 562.504499][ T7605] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 562.512839][ T7605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 562.520849][ T7605] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 562.528866][ T7605] [ 562.575786][ T7605] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 562.617965][ T7605] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 562.634464][ T7605] CPU: 1 PID: 7605 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 562.644946][ T7605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 562.655207][ T7605] Call Trace: [ 562.658495][ T7605] [ 562.661445][ T7605] dump_stack_lvl+0x125/0x1b0 [ 562.666317][ T7605] sysfs_warn_dup+0x7f/0xa0 [ 562.671027][ T7605] sysfs_create_dir_ns+0x247/0x2a0 [ 562.676165][ T7605] ? sysfs_create_mount_point+0xb0/0xb0 [ 562.681741][ T7605] ? spin_bug+0x1d0/0x1d0 [ 562.686371][ T7605] ? net_namespace+0x12/0x40 [ 562.691401][ T7605] ? device_namespace+0x8d/0xc0 [ 562.696442][ T7605] kobject_add_internal+0x2c8/0x960 [ 562.702051][ T7605] kobject_add+0x16f/0x240 [ 562.706744][ T7605] ? kset_create_and_add+0x190/0x190 [ 562.712530][ T7605] ? do_raw_spin_unlock+0x173/0x230 [ 562.717849][ T7605] ? kobject_put+0xbe/0x440 [ 562.722372][ T7605] ? device_add+0xc35/0x1aa0 [ 562.727160][ T7605] device_add+0x289/0x1aa0 [ 562.731602][ T7605] ? device_initialize+0x510/0x510 [ 562.736820][ T7605] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 562.744057][ T7605] ? __init_waitqueue_head+0xca/0x150 [ 562.749463][ T7605] netdev_register_kobject+0x183/0x3f0 [ 562.755740][ T7605] register_netdevice+0xbdf/0x14a0 [ 562.760866][ T7605] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 562.766775][ T7605] ? validate_linkmsg+0x6fc/0x9c0 [ 562.771992][ T7605] ? rtnl_create_link+0xa6d/0xfd0 [ 562.777208][ T7605] ? batadv_get_sset_count+0x40/0x40 [ 562.782594][ T7605] batadv_softif_newlink+0x70/0x90 [ 562.787820][ T7605] __rtnl_newlink+0x1173/0x1930 [ 562.792780][ T7605] ? rtnl_link_unregister+0x260/0x260 [ 562.798190][ T7605] rtnl_newlink+0x67/0xa0 [ 562.802530][ T7605] ? __rtnl_newlink+0x1930/0x1930 [ 562.807756][ T7605] rtnetlink_rcv_msg+0x3c7/0xe00 [ 562.812707][ T7605] ? rtnl_getlink+0xb40/0xb40 [ 562.817403][ T7605] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 562.823402][ T7605] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 562.829679][ T7605] netlink_rcv_skb+0x16b/0x440 [ 562.834891][ T7605] ? rtnl_getlink+0xb40/0xb40 [ 562.839581][ T7605] ? netlink_ack+0x1370/0x1370 [ 562.844381][ T7605] ? lock_sync+0x190/0x190 [ 562.849320][ T7605] ? netlink_deliver_tap+0x1a0/0xd00 [ 562.854928][ T7605] ? _copy_from_iter+0x2c1/0x10f0 [ 562.860012][ T7605] netlink_unicast+0x53b/0x810 [ 562.865528][ T7605] ? netlink_attachskb+0x880/0x880 [ 562.871339][ T7605] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 562.877539][ T7605] ? __phys_addr_symbol+0x30/0x70 [ 562.882625][ T7605] ? __check_object_size+0x323/0x730 [ 562.888871][ T7605] netlink_sendmsg+0x93c/0xe40 [ 562.893927][ T7605] ? netlink_unicast+0x810/0x810 [ 562.899004][ T7605] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 562.904658][ T7605] ? netlink_unicast+0x810/0x810 [ 562.910162][ T7605] __sock_sendmsg+0xd5/0x180 [ 562.915371][ T7605] ____sys_sendmsg+0x6ac/0x940 [ 562.920706][ T7605] ? copy_msghdr_from_user+0x10b/0x160 [ 562.926855][ T7605] ? kernel_sendmsg+0x50/0x50 [ 562.931577][ T7605] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 562.938046][ T7605] ___sys_sendmsg+0x135/0x1d0 [ 562.943205][ T7605] ? do_recvmmsg+0x740/0x740 [ 562.948006][ T7605] ? find_held_lock+0x2d/0x110 [ 562.952811][ T7605] ? preempt_count_sub+0x150/0x150 [ 562.958082][ T7605] ? __fget_light+0x1fc/0x260 [ 562.962779][ T7605] __sys_sendmsg+0x117/0x1e0 [ 562.967643][ T7605] ? __sys_sendmsg_sock+0x30/0x30 [ 562.972879][ T7605] ? syscall_enter_from_user_mode+0x26/0x80 [ 562.979072][ T7605] do_syscall_64+0x3f/0x110 [ 562.983703][ T7605] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 562.989786][ T7605] RIP: 0033:0x7f2631248c19 [ 562.994456][ T7605] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 563.015466][ T7605] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 563.024709][ T7605] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 563.034015][ T7605] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 563.042806][ T7605] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 563.051519][ T7605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 563.059917][ T7605] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 563.068828][ T7605] [ 563.104900][ T7605] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 563.255360][ T7614] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 563.286754][ T7614] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 563.304494][ T7614] CPU: 0 PID: 7614 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 563.315241][ T7614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 563.325946][ T7614] Call Trace: [ 563.329256][ T7614] [ 563.332336][ T7614] dump_stack_lvl+0x125/0x1b0 [ 563.337152][ T7614] sysfs_warn_dup+0x7f/0xa0 [ 563.341712][ T7614] sysfs_create_dir_ns+0x247/0x2a0 [ 563.346879][ T7614] ? sysfs_create_mount_point+0xb0/0xb0 [ 563.352487][ T7614] ? spin_bug+0x1d0/0x1d0 [ 563.357318][ T7614] ? net_namespace+0x12/0x40 [ 563.361981][ T7614] ? device_namespace+0x8d/0xc0 [ 563.367077][ T7614] kobject_add_internal+0x2c8/0x960 [ 563.372500][ T7614] kobject_add+0x16f/0x240 [ 563.377061][ T7614] ? kset_create_and_add+0x190/0x190 [ 563.382389][ T7614] ? do_raw_spin_unlock+0x173/0x230 [ 563.387619][ T7614] ? kobject_put+0xbe/0x440 [ 563.392410][ T7614] ? device_add+0xc35/0x1aa0 [ 563.397750][ T7614] device_add+0x289/0x1aa0 [ 563.402557][ T7614] ? device_initialize+0x510/0x510 [ 563.407812][ T7614] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 563.415326][ T7614] ? __init_waitqueue_head+0xca/0x150 [ 563.420923][ T7614] netdev_register_kobject+0x183/0x3f0 [ 563.426606][ T7614] register_netdevice+0xbdf/0x14a0 [ 563.432300][ T7614] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 563.438882][ T7614] ? team_nl_cmd_noop+0x280/0x280 [ 563.443932][ T7614] team_newlink+0x92/0x160 [ 563.450363][ T7614] ? team_nl_cmd_noop+0x280/0x280 [ 563.455514][ T7614] ? rtnl_create_link+0xa6d/0xfd0 [ 563.461163][ T7614] __rtnl_newlink+0x1173/0x1930 [ 563.466140][ T7614] ? rtnl_link_unregister+0x260/0x260 [ 563.471656][ T7614] rtnl_newlink+0x67/0xa0 [ 563.476195][ T7614] ? __rtnl_newlink+0x1930/0x1930 [ 563.481386][ T7614] rtnetlink_rcv_msg+0x3c7/0xe00 [ 563.486622][ T7614] ? rtnl_getlink+0xb40/0xb40 [ 563.491578][ T7614] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 563.498394][ T7614] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 563.504779][ T7614] netlink_rcv_skb+0x16b/0x440 [ 563.509919][ T7614] ? rtnl_getlink+0xb40/0xb40 [ 563.514784][ T7614] ? netlink_ack+0x1370/0x1370 [ 563.519908][ T7614] ? lock_sync+0x190/0x190 [ 563.524354][ T7614] ? netlink_deliver_tap+0x1a0/0xd00 [ 563.530357][ T7614] ? _copy_from_iter+0x2c1/0x10f0 [ 563.535403][ T7614] netlink_unicast+0x53b/0x810 [ 563.540194][ T7614] ? netlink_attachskb+0x880/0x880 [ 563.545327][ T7614] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 563.551469][ T7614] ? __phys_addr_symbol+0x30/0x70 [ 563.556524][ T7614] ? __check_object_size+0x323/0x730 [ 563.562015][ T7614] netlink_sendmsg+0x93c/0xe40 [ 563.566973][ T7614] ? netlink_unicast+0x810/0x810 [ 563.572135][ T7614] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 563.577430][ T7614] ? netlink_unicast+0x810/0x810 [ 563.582379][ T7614] __sock_sendmsg+0xd5/0x180 [ 563.586979][ T7614] ____sys_sendmsg+0x6ac/0x940 [ 563.591875][ T7614] ? copy_msghdr_from_user+0x10b/0x160 [ 563.597346][ T7614] ? kernel_sendmsg+0x50/0x50 [ 563.602034][ T7614] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 563.608233][ T7614] ___sys_sendmsg+0x135/0x1d0 [ 563.613227][ T7614] ? do_recvmmsg+0x740/0x740 [ 563.617906][ T7614] ? find_held_lock+0x2d/0x110 [ 563.622714][ T7614] ? preempt_count_sub+0x150/0x150 [ 563.627970][ T7614] ? __fget_light+0x1fc/0x260 [ 563.632926][ T7614] __sys_sendmsg+0x117/0x1e0 [ 563.637535][ T7614] ? __sys_sendmsg_sock+0x30/0x30 [ 563.643022][ T7614] ? syscall_enter_from_user_mode+0x26/0x80 [ 563.648956][ T7614] do_syscall_64+0x3f/0x110 [ 563.653577][ T7614] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 563.659593][ T7614] RIP: 0033:0x7f2631248c19 [ 563.664043][ T7614] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 563.685948][ T7614] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 563.694462][ T7614] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 563.702616][ T7614] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 563.710939][ T7614] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 563.719176][ T7614] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 563.727329][ T7614] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 563.735460][ T7614] [ 563.866584][ T1240] ieee802154 phy0 wpan0: encryption failed: -22 [ 563.872994][ T1240] ieee802154 phy1 wpan1: encryption failed: -22 [ 563.924872][ T7614] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 563.988434][ T7614] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 564.004535][ T7614] CPU: 0 PID: 7614 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 564.014669][ T7614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 564.024888][ T7614] Call Trace: [ 564.028197][ T7614] [ 564.031178][ T7614] dump_stack_lvl+0x125/0x1b0 [ 564.035903][ T7614] sysfs_warn_dup+0x7f/0xa0 [ 564.040739][ T7614] sysfs_create_dir_ns+0x247/0x2a0 [ 564.045935][ T7614] ? sysfs_create_mount_point+0xb0/0xb0 [ 564.051643][ T7614] ? spin_bug+0x1d0/0x1d0 [ 564.056034][ T7614] ? net_namespace+0x12/0x40 [ 564.060756][ T7614] ? device_namespace+0x8d/0xc0 [ 564.066198][ T7614] kobject_add_internal+0x2c8/0x960 [ 564.071460][ T7614] kobject_add+0x16f/0x240 [ 564.076505][ T7614] ? kset_create_and_add+0x190/0x190 [ 564.081859][ T7614] ? do_raw_spin_unlock+0x173/0x230 [ 564.087382][ T7614] ? kobject_put+0xbe/0x440 [ 564.092008][ T7614] ? device_add+0xc35/0x1aa0 [ 564.096649][ T7614] device_add+0x289/0x1aa0 [ 564.101302][ T7614] ? device_initialize+0x510/0x510 [ 564.107169][ T7614] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 564.114115][ T7614] ? __init_waitqueue_head+0xca/0x150 [ 564.119644][ T7614] netdev_register_kobject+0x183/0x3f0 [ 564.125163][ T7614] register_netdevice+0xbdf/0x14a0 [ 564.130598][ T7614] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 564.136631][ T7614] ? validate_linkmsg+0x6fc/0x9c0 [ 564.141985][ T7614] ? rtnl_create_link+0xa6d/0xfd0 [ 564.147161][ T7614] ? batadv_get_sset_count+0x40/0x40 [ 564.152517][ T7614] batadv_softif_newlink+0x70/0x90 [ 564.158037][ T7614] __rtnl_newlink+0x1173/0x1930 [ 564.163042][ T7614] ? rtnl_link_unregister+0x260/0x260 [ 564.168753][ T7614] rtnl_newlink+0x67/0xa0 [ 564.173121][ T7614] ? __rtnl_newlink+0x1930/0x1930 [ 564.178280][ T7614] rtnetlink_rcv_msg+0x3c7/0xe00 [ 564.183362][ T7614] ? rtnl_getlink+0xb40/0xb40 [ 564.188256][ T7614] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 564.194374][ T7614] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 564.200511][ T7614] netlink_rcv_skb+0x16b/0x440 [ 564.205334][ T7614] ? rtnl_getlink+0xb40/0xb40 [ 564.210070][ T7614] ? netlink_ack+0x1370/0x1370 [ 564.214888][ T7614] ? lock_sync+0x190/0x190 [ 564.219389][ T7614] ? netlink_deliver_tap+0x1a0/0xd00 [ 564.225071][ T7614] ? _copy_from_iter+0x2c1/0x10f0 [ 564.230255][ T7614] netlink_unicast+0x53b/0x810 [ 564.235949][ T7614] ? netlink_attachskb+0x880/0x880 [ 564.241381][ T7614] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 564.247341][ T7614] ? __phys_addr_symbol+0x30/0x70 [ 564.252510][ T7614] ? __check_object_size+0x323/0x730 [ 564.258062][ T7614] netlink_sendmsg+0x93c/0xe40 [ 564.263065][ T7614] ? netlink_unicast+0x810/0x810 [ 564.268345][ T7614] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 564.274123][ T7614] ? netlink_unicast+0x810/0x810 [ 564.280003][ T7614] __sock_sendmsg+0xd5/0x180 [ 564.285962][ T7614] ____sys_sendmsg+0x6ac/0x940 [ 564.290986][ T7614] ? copy_msghdr_from_user+0x10b/0x160 [ 564.296591][ T7614] ? kernel_sendmsg+0x50/0x50 [ 564.301494][ T7614] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 564.307721][ T7614] ___sys_sendmsg+0x135/0x1d0 [ 564.312449][ T7614] ? do_recvmmsg+0x740/0x740 [ 564.317230][ T7614] ? find_held_lock+0x2d/0x110 [ 564.322327][ T7614] ? preempt_count_sub+0x150/0x150 [ 564.327867][ T7614] ? __fget_light+0x1fc/0x260 [ 564.332866][ T7614] __sys_sendmsg+0x117/0x1e0 [ 564.337605][ T7614] ? __sys_sendmsg_sock+0x30/0x30 [ 564.342698][ T7614] ? syscall_enter_from_user_mode+0x26/0x80 [ 564.348647][ T7614] do_syscall_64+0x3f/0x110 [ 564.353458][ T7614] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 564.361587][ T7614] RIP: 0033:0x7f2631248c19 [ 564.366311][ T7614] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 564.386487][ T7614] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 564.395025][ T7614] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 564.403722][ T7614] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 564.412264][ T7614] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 564.421479][ T7614] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 564.429754][ T7614] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 564.437856][ T7614] [ 564.442617][ T7614] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 564.536637][ T7631] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 564.556449][ T7631] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 564.566258][ T7631] CPU: 1 PID: 7631 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 564.576632][ T7631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 564.586709][ T7631] Call Trace: [ 564.590436][ T7631] [ 564.593571][ T7631] dump_stack_lvl+0x125/0x1b0 [ 564.598271][ T7631] sysfs_warn_dup+0x7f/0xa0 [ 564.602799][ T7631] sysfs_create_dir_ns+0x247/0x2a0 [ 564.608454][ T7631] ? sysfs_create_mount_point+0xb0/0xb0 [ 564.614277][ T7631] ? spin_bug+0x1d0/0x1d0 [ 564.618712][ T7631] ? net_namespace+0x12/0x40 [ 564.623394][ T7631] ? device_namespace+0x8d/0xc0 [ 564.628379][ T7631] kobject_add_internal+0x2c8/0x960 [ 564.634264][ T7631] kobject_add+0x16f/0x240 [ 564.638964][ T7631] ? kset_create_and_add+0x190/0x190 [ 564.644406][ T7631] ? do_raw_spin_unlock+0x173/0x230 [ 564.649652][ T7631] ? kobject_put+0xbe/0x440 [ 564.654724][ T7631] ? device_add+0xc35/0x1aa0 [ 564.659339][ T7631] device_add+0x289/0x1aa0 [ 564.663944][ T7631] ? device_initialize+0x510/0x510 [ 564.669073][ T7631] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 564.675937][ T7631] ? __init_waitqueue_head+0xca/0x150 [ 564.681852][ T7631] netdev_register_kobject+0x183/0x3f0 [ 564.687336][ T7631] register_netdevice+0xbdf/0x14a0 [ 564.692463][ T7631] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 564.698442][ T7631] ? team_nl_cmd_noop+0x280/0x280 [ 564.703830][ T7631] team_newlink+0x92/0x160 [ 564.708442][ T7631] ? team_nl_cmd_noop+0x280/0x280 [ 564.713487][ T7631] ? rtnl_create_link+0xa6d/0xfd0 [ 564.718649][ T7631] __rtnl_newlink+0x1173/0x1930 [ 564.724850][ T7631] ? rtnl_link_unregister+0x260/0x260 [ 564.730370][ T7631] rtnl_newlink+0x67/0xa0 [ 564.735152][ T7631] ? __rtnl_newlink+0x1930/0x1930 [ 564.740508][ T7631] rtnetlink_rcv_msg+0x3c7/0xe00 [ 564.745574][ T7631] ? rtnl_getlink+0xb40/0xb40 [ 564.750364][ T7631] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 564.756804][ T7631] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 564.762858][ T7631] netlink_rcv_skb+0x16b/0x440 [ 564.767731][ T7631] ? rtnl_getlink+0xb40/0xb40 [ 564.772506][ T7631] ? netlink_ack+0x1370/0x1370 [ 564.777367][ T7631] ? lock_sync+0x190/0x190 [ 564.782003][ T7631] ? netlink_deliver_tap+0x1a0/0xd00 [ 564.787416][ T7631] ? _copy_from_iter+0x2c1/0x10f0 [ 564.792649][ T7631] netlink_unicast+0x53b/0x810 [ 564.797862][ T7631] ? netlink_attachskb+0x880/0x880 [ 564.803074][ T7631] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 564.808982][ T7631] ? __phys_addr_symbol+0x30/0x70 [ 564.814107][ T7631] ? __check_object_size+0x323/0x730 [ 564.819412][ T7631] netlink_sendmsg+0x93c/0xe40 [ 564.824465][ T7631] ? netlink_unicast+0x810/0x810 [ 564.829609][ T7631] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 564.835022][ T7631] ? netlink_unicast+0x810/0x810 [ 564.840096][ T7631] __sock_sendmsg+0xd5/0x180 [ 564.845044][ T7631] ____sys_sendmsg+0x6ac/0x940 [ 564.850087][ T7631] ? copy_msghdr_from_user+0x10b/0x160 [ 564.855747][ T7631] ? kernel_sendmsg+0x50/0x50 [ 564.860482][ T7631] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 564.867034][ T7631] ___sys_sendmsg+0x135/0x1d0 [ 564.872345][ T7631] ? do_recvmmsg+0x740/0x740 [ 564.877246][ T7631] ? find_held_lock+0x2d/0x110 [ 564.882554][ T7631] ? preempt_count_sub+0x150/0x150 [ 564.887796][ T7631] ? __fget_light+0x1fc/0x260 [ 564.892696][ T7631] __sys_sendmsg+0x117/0x1e0 [ 564.898205][ T7631] ? __sys_sendmsg_sock+0x30/0x30 [ 564.904204][ T7631] ? syscall_enter_from_user_mode+0x26/0x80 [ 564.910494][ T7631] do_syscall_64+0x3f/0x110 [ 564.915372][ T7631] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 564.922374][ T7631] RIP: 0033:0x7f2631248c19 [ 564.927923][ T7631] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 564.949127][ T7631] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 564.957752][ T7631] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 564.966197][ T7631] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 564.974959][ T7631] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 564.983197][ T7631] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 564.991535][ T7631] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 565.000878][ T7631] [ 565.030161][ T7631] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 565.068079][ T7631] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 565.095902][ T7631] CPU: 1 PID: 7631 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 565.106388][ T7631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 565.117441][ T7631] Call Trace: [ 565.120840][ T7631] [ 565.124500][ T7631] dump_stack_lvl+0x125/0x1b0 [ 565.130014][ T7631] sysfs_warn_dup+0x7f/0xa0 [ 565.134740][ T7631] sysfs_create_dir_ns+0x247/0x2a0 [ 565.140102][ T7631] ? sysfs_create_mount_point+0xb0/0xb0 [ 565.146051][ T7631] ? spin_bug+0x1d0/0x1d0 [ 565.150619][ T7631] ? net_namespace+0x12/0x40 [ 565.155358][ T7631] ? device_namespace+0x8d/0xc0 [ 565.160595][ T7631] kobject_add_internal+0x2c8/0x960 [ 565.166295][ T7631] kobject_add+0x16f/0x240 [ 565.170915][ T7631] ? kset_create_and_add+0x190/0x190 [ 565.176407][ T7631] ? do_raw_spin_unlock+0x173/0x230 [ 565.181978][ T7631] ? kobject_put+0xbe/0x440 [ 565.186685][ T7631] ? device_add+0xc35/0x1aa0 [ 565.191290][ T7631] device_add+0x289/0x1aa0 [ 565.195720][ T7631] ? device_initialize+0x510/0x510 [ 565.200985][ T7631] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 565.207880][ T7631] ? __init_waitqueue_head+0xca/0x150 [ 565.213374][ T7631] netdev_register_kobject+0x183/0x3f0 [ 565.219209][ T7631] register_netdevice+0xbdf/0x14a0 [ 565.224513][ T7631] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 565.230875][ T7631] ? validate_linkmsg+0x6fc/0x9c0 [ 565.236115][ T7631] ? rtnl_create_link+0xa6d/0xfd0 [ 565.241250][ T7631] ? batadv_get_sset_count+0x40/0x40 [ 565.246847][ T7631] batadv_softif_newlink+0x70/0x90 [ 565.252620][ T7631] __rtnl_newlink+0x1173/0x1930 [ 565.257538][ T7631] ? rtnl_link_unregister+0x260/0x260 [ 565.263075][ T7631] rtnl_newlink+0x67/0xa0 [ 565.267466][ T7631] ? __rtnl_newlink+0x1930/0x1930 [ 565.272782][ T7631] rtnetlink_rcv_msg+0x3c7/0xe00 [ 565.277944][ T7631] ? rtnl_getlink+0xb40/0xb40 [ 565.283007][ T7631] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 565.289201][ T7631] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 565.295481][ T7631] netlink_rcv_skb+0x16b/0x440 [ 565.300349][ T7631] ? rtnl_getlink+0xb40/0xb40 [ 565.305124][ T7631] ? netlink_ack+0x1370/0x1370 [ 565.310890][ T7631] ? lock_sync+0x190/0x190 [ 565.315442][ T7631] ? netlink_deliver_tap+0x1a0/0xd00 [ 565.321183][ T7631] ? _copy_from_iter+0x2c1/0x10f0 [ 565.326321][ T7631] netlink_unicast+0x53b/0x810 [ 565.331102][ T7631] ? netlink_attachskb+0x880/0x880 [ 565.336501][ T7631] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 565.342566][ T7631] ? __phys_addr_symbol+0x30/0x70 [ 565.347885][ T7631] ? __check_object_size+0x323/0x730 [ 565.353393][ T7631] netlink_sendmsg+0x93c/0xe40 [ 565.358195][ T7631] ? netlink_unicast+0x810/0x810 [ 565.363153][ T7631] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 565.368626][ T7631] ? netlink_unicast+0x810/0x810 [ 565.373867][ T7631] __sock_sendmsg+0xd5/0x180 [ 565.378491][ T7631] ____sys_sendmsg+0x6ac/0x940 [ 565.383355][ T7631] ? copy_msghdr_from_user+0x10b/0x160 [ 565.388851][ T7631] ? kernel_sendmsg+0x50/0x50 [ 565.393752][ T7631] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 565.400226][ T7631] ___sys_sendmsg+0x135/0x1d0 [ 565.405042][ T7631] ? do_recvmmsg+0x740/0x740 [ 565.410003][ T7631] ? find_held_lock+0x2d/0x110 [ 565.416190][ T7631] ? preempt_count_sub+0x150/0x150 [ 565.423632][ T7631] ? __fget_light+0x1fc/0x260 [ 565.428718][ T7631] __sys_sendmsg+0x117/0x1e0 [ 565.433773][ T7631] ? __sys_sendmsg_sock+0x30/0x30 [ 565.439000][ T7631] ? syscall_enter_from_user_mode+0x26/0x80 [ 565.445359][ T7631] do_syscall_64+0x3f/0x110 [ 565.450157][ T7631] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 565.456446][ T7631] RIP: 0033:0x7f2631248c19 [ 565.461482][ T7631] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 565.482423][ T7631] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 565.491581][ T7631] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 565.500024][ T7631] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 565.508776][ T7631] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 565.517199][ T7631] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 565.525625][ T7631] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 565.533905][ T7631] [ 565.562987][ T7631] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 565.656434][ T7635] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 565.687427][ T7635] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 565.702438][ T7635] CPU: 1 PID: 7635 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 565.713095][ T7635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 565.723526][ T7635] Call Trace: [ 565.726834][ T7635] [ 565.729975][ T7635] dump_stack_lvl+0x125/0x1b0 [ 565.734717][ T7635] sysfs_warn_dup+0x7f/0xa0 [ 565.739438][ T7635] sysfs_create_dir_ns+0x247/0x2a0 [ 565.744605][ T7635] ? sysfs_create_mount_point+0xb0/0xb0 [ 565.750197][ T7635] ? spin_bug+0x1d0/0x1d0 [ 565.754576][ T7635] ? net_namespace+0x12/0x40 [ 565.759317][ T7635] ? device_namespace+0x8d/0xc0 [ 565.764224][ T7635] kobject_add_internal+0x2c8/0x960 [ 565.769564][ T7635] kobject_add+0x16f/0x240 [ 565.774118][ T7635] ? kset_create_and_add+0x190/0x190 [ 565.779450][ T7635] ? do_raw_spin_unlock+0x173/0x230 [ 565.784676][ T7635] ? kobject_put+0xbe/0x440 [ 565.789293][ T7635] ? device_add+0xc35/0x1aa0 [ 565.793898][ T7635] device_add+0x289/0x1aa0 [ 565.798441][ T7635] ? device_initialize+0x510/0x510 [ 565.803611][ T7635] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 565.810693][ T7635] ? __init_waitqueue_head+0xca/0x150 [ 565.816198][ T7635] netdev_register_kobject+0x183/0x3f0 [ 565.821769][ T7635] register_netdevice+0xbdf/0x14a0 [ 565.827069][ T7635] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 565.833334][ T7635] ? team_nl_cmd_noop+0x280/0x280 [ 565.838578][ T7635] team_newlink+0x92/0x160 [ 565.843045][ T7635] ? team_nl_cmd_noop+0x280/0x280 [ 565.848200][ T7635] ? rtnl_create_link+0xa6d/0xfd0 [ 565.853340][ T7635] __rtnl_newlink+0x1173/0x1930 [ 565.858248][ T7635] ? rtnl_link_unregister+0x260/0x260 [ 565.863765][ T7635] rtnl_newlink+0x67/0xa0 [ 565.868198][ T7635] ? __rtnl_newlink+0x1930/0x1930 [ 565.873318][ T7635] rtnetlink_rcv_msg+0x3c7/0xe00 [ 565.878279][ T7635] ? rtnl_getlink+0xb40/0xb40 [ 565.882963][ T7635] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 565.889070][ T7635] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 565.897891][ T7635] netlink_rcv_skb+0x16b/0x440 [ 565.903212][ T7635] ? rtnl_getlink+0xb40/0xb40 [ 565.908001][ T7635] ? netlink_ack+0x1370/0x1370 [ 565.912775][ T7635] ? lock_sync+0x190/0x190 [ 565.917594][ T7635] ? netlink_deliver_tap+0x1a0/0xd00 [ 565.923878][ T7635] ? _copy_from_iter+0x2c1/0x10f0 [ 565.929199][ T7635] netlink_unicast+0x53b/0x810 [ 565.933996][ T7635] ? netlink_attachskb+0x880/0x880 [ 565.939135][ T7635] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 565.945215][ T7635] ? __phys_addr_symbol+0x30/0x70 [ 565.950268][ T7635] ? __check_object_size+0x323/0x730 [ 565.955589][ T7635] netlink_sendmsg+0x93c/0xe40 [ 565.960741][ T7635] ? netlink_unicast+0x810/0x810 [ 565.965703][ T7635] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 565.971027][ T7635] ? netlink_unicast+0x810/0x810 [ 565.975976][ T7635] __sock_sendmsg+0xd5/0x180 [ 565.980749][ T7635] ____sys_sendmsg+0x6ac/0x940 [ 565.985783][ T7635] ? copy_msghdr_from_user+0x10b/0x160 [ 565.991430][ T7635] ? kernel_sendmsg+0x50/0x50 [ 565.996726][ T7635] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 566.002844][ T7635] ___sys_sendmsg+0x135/0x1d0 [ 566.007618][ T7635] ? do_recvmmsg+0x740/0x740 [ 566.012299][ T7635] ? find_held_lock+0x2d/0x110 [ 566.017439][ T7635] ? preempt_count_sub+0x150/0x150 [ 566.023176][ T7635] ? __fget_light+0x1fc/0x260 [ 566.027990][ T7635] __sys_sendmsg+0x117/0x1e0 [ 566.032684][ T7635] ? __sys_sendmsg_sock+0x30/0x30 [ 566.037735][ T7635] ? syscall_enter_from_user_mode+0x26/0x80 [ 566.043916][ T7635] do_syscall_64+0x3f/0x110 [ 566.048533][ T7635] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 566.054804][ T7635] RIP: 0033:0x7f2631248c19 [ 566.059226][ T7635] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 566.079028][ T7635] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 566.087626][ T7635] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 566.095688][ T7635] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 566.104266][ T7635] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 566.113710][ T7635] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 566.122494][ T7635] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 566.131443][ T7635] [ 566.152916][ T7635] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 566.198070][ T7635] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 566.224400][ T7635] CPU: 1 PID: 7635 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 566.234975][ T7635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 566.245406][ T7635] Call Trace: [ 566.248899][ T7635] [ 566.252122][ T7635] dump_stack_lvl+0x125/0x1b0 [ 566.257029][ T7635] sysfs_warn_dup+0x7f/0xa0 [ 566.261618][ T7635] sysfs_create_dir_ns+0x247/0x2a0 [ 566.266840][ T7635] ? sysfs_create_mount_point+0xb0/0xb0 [ 566.272492][ T7635] ? spin_bug+0x1d0/0x1d0 [ 566.277015][ T7635] ? net_namespace+0x12/0x40 [ 566.281878][ T7635] ? device_namespace+0x8d/0xc0 [ 566.287098][ T7635] kobject_add_internal+0x2c8/0x960 [ 566.292434][ T7635] kobject_add+0x16f/0x240 [ 566.296917][ T7635] ? kset_create_and_add+0x190/0x190 [ 566.302527][ T7635] ? do_raw_spin_unlock+0x173/0x230 [ 566.307748][ T7635] ? kobject_put+0xbe/0x440 [ 566.312354][ T7635] ? device_add+0xc35/0x1aa0 [ 566.316965][ T7635] device_add+0x289/0x1aa0 [ 566.321413][ T7635] ? device_initialize+0x510/0x510 [ 566.326637][ T7635] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 566.333501][ T7635] ? __init_waitqueue_head+0xca/0x150 [ 566.338914][ T7635] netdev_register_kobject+0x183/0x3f0 [ 566.344398][ T7635] register_netdevice+0xbdf/0x14a0 [ 566.349527][ T7635] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 566.355430][ T7635] ? validate_linkmsg+0x6fc/0x9c0 [ 566.360489][ T7635] ? rtnl_create_link+0xa6d/0xfd0 [ 566.366400][ T7635] ? batadv_get_sset_count+0x40/0x40 [ 566.371789][ T7635] batadv_softif_newlink+0x70/0x90 [ 566.376918][ T7635] __rtnl_newlink+0x1173/0x1930 [ 566.382225][ T7635] ? rtnl_link_unregister+0x260/0x260 [ 566.388000][ T7635] rtnl_newlink+0x67/0xa0 [ 566.392510][ T7635] ? __rtnl_newlink+0x1930/0x1930 [ 566.397888][ T7635] rtnetlink_rcv_msg+0x3c7/0xe00 [ 566.403013][ T7635] ? rtnl_getlink+0xb40/0xb40 [ 566.407784][ T7635] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 566.413803][ T7635] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 566.420713][ T7635] netlink_rcv_skb+0x16b/0x440 [ 566.426231][ T7635] ? rtnl_getlink+0xb40/0xb40 [ 566.431322][ T7635] ? netlink_ack+0x1370/0x1370 [ 566.436536][ T7635] ? lock_sync+0x190/0x190 [ 566.441415][ T7635] ? netlink_deliver_tap+0x1a0/0xd00 [ 566.446886][ T7635] ? _copy_from_iter+0x2c1/0x10f0 [ 566.451935][ T7635] netlink_unicast+0x53b/0x810 [ 566.456759][ T7635] ? netlink_attachskb+0x880/0x880 [ 566.462059][ T7635] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 566.468250][ T7635] ? __phys_addr_symbol+0x30/0x70 [ 566.473635][ T7635] ? __check_object_size+0x323/0x730 [ 566.479144][ T7635] netlink_sendmsg+0x93c/0xe40 [ 566.484407][ T7635] ? netlink_unicast+0x810/0x810 [ 566.489666][ T7635] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 566.494973][ T7635] ? netlink_unicast+0x810/0x810 [ 566.499933][ T7635] __sock_sendmsg+0xd5/0x180 [ 566.504538][ T7635] ____sys_sendmsg+0x6ac/0x940 [ 566.509547][ T7635] ? copy_msghdr_from_user+0x10b/0x160 [ 566.515104][ T7635] ? kernel_sendmsg+0x50/0x50 [ 566.519885][ T7635] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 566.525980][ T7635] ___sys_sendmsg+0x135/0x1d0 [ 566.530726][ T7635] ? do_recvmmsg+0x740/0x740 [ 566.535366][ T7635] ? find_held_lock+0x2d/0x110 [ 566.540254][ T7635] ? preempt_count_sub+0x150/0x150 [ 566.545737][ T7635] ? __fget_light+0x1fc/0x260 [ 566.550526][ T7635] __sys_sendmsg+0x117/0x1e0 [ 566.555392][ T7635] ? __sys_sendmsg_sock+0x30/0x30 [ 566.560442][ T7635] ? syscall_enter_from_user_mode+0x26/0x80 [ 566.566443][ T7635] do_syscall_64+0x3f/0x110 [ 566.570991][ T7635] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 566.576896][ T7635] RIP: 0033:0x7f2631248c19 [ 566.581402][ T7635] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 566.601366][ T7635] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 566.609789][ T7635] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 566.617964][ T7635] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 566.626318][ T7635] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 566.634717][ T7635] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 566.643158][ T7635] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 566.651301][ T7635] [ 566.673180][ T7635] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 566.766751][ T7642] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 566.791425][ T7642] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 566.814724][ T7642] CPU: 1 PID: 7642 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 566.825689][ T7642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 566.835951][ T7642] Call Trace: [ 566.839363][ T7642] [ 566.842528][ T7642] dump_stack_lvl+0x125/0x1b0 [ 566.847253][ T7642] sysfs_warn_dup+0x7f/0xa0 [ 566.851904][ T7642] sysfs_create_dir_ns+0x247/0x2a0 [ 566.857078][ T7642] ? sysfs_create_mount_point+0xb0/0xb0 [ 566.862849][ T7642] ? spin_bug+0x1d0/0x1d0 [ 566.867242][ T7642] ? net_namespace+0x12/0x40 [ 566.871952][ T7642] ? device_namespace+0x8d/0xc0 [ 566.877258][ T7642] kobject_add_internal+0x2c8/0x960 [ 566.882788][ T7642] kobject_add+0x16f/0x240 [ 566.888388][ T7642] ? kset_create_and_add+0x190/0x190 [ 566.893792][ T7642] ? do_raw_spin_unlock+0x173/0x230 [ 566.899098][ T7642] ? kobject_put+0xbe/0x440 [ 566.904067][ T7642] ? device_add+0xc35/0x1aa0 [ 566.909355][ T7642] device_add+0x289/0x1aa0 [ 566.913817][ T7642] ? device_initialize+0x510/0x510 [ 566.919575][ T7642] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 566.926642][ T7642] ? __init_waitqueue_head+0xca/0x150 [ 566.932340][ T7642] netdev_register_kobject+0x183/0x3f0 [ 566.938143][ T7642] register_netdevice+0xbdf/0x14a0 [ 566.944182][ T7642] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 566.951078][ T7642] ? team_nl_cmd_noop+0x280/0x280 [ 566.956387][ T7642] team_newlink+0x92/0x160 [ 566.960819][ T7642] ? team_nl_cmd_noop+0x280/0x280 [ 566.966462][ T7642] ? rtnl_create_link+0xa6d/0xfd0 [ 566.971685][ T7642] __rtnl_newlink+0x1173/0x1930 [ 566.976991][ T7642] ? rtnl_link_unregister+0x260/0x260 [ 566.982487][ T7642] rtnl_newlink+0x67/0xa0 [ 566.986913][ T7642] ? __rtnl_newlink+0x1930/0x1930 [ 566.992158][ T7642] rtnetlink_rcv_msg+0x3c7/0xe00 [ 566.997499][ T7642] ? rtnl_getlink+0xb40/0xb40 [ 567.002284][ T7642] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 567.008670][ T7642] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 567.015154][ T7642] netlink_rcv_skb+0x16b/0x440 [ 567.020549][ T7642] ? rtnl_getlink+0xb40/0xb40 [ 567.025497][ T7642] ? netlink_ack+0x1370/0x1370 [ 567.030879][ T7642] ? lock_sync+0x190/0x190 [ 567.035419][ T7642] ? netlink_deliver_tap+0x1a0/0xd00 [ 567.040713][ T7642] ? _copy_from_iter+0x2c1/0x10f0 [ 567.046052][ T7642] netlink_unicast+0x53b/0x810 [ 567.051181][ T7642] ? netlink_attachskb+0x880/0x880 [ 567.056447][ T7642] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 567.062896][ T7642] ? __phys_addr_symbol+0x30/0x70 [ 567.068044][ T7642] ? __check_object_size+0x323/0x730 [ 567.073653][ T7642] netlink_sendmsg+0x93c/0xe40 [ 567.078655][ T7642] ? netlink_unicast+0x810/0x810 [ 567.083716][ T7642] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 567.089368][ T7642] ? netlink_unicast+0x810/0x810 [ 567.094833][ T7642] __sock_sendmsg+0xd5/0x180 [ 567.099466][ T7642] ____sys_sendmsg+0x6ac/0x940 [ 567.105161][ T7642] ? copy_msghdr_from_user+0x10b/0x160 [ 567.110881][ T7642] ? kernel_sendmsg+0x50/0x50 [ 567.116814][ T7642] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 567.123536][ T7642] ___sys_sendmsg+0x135/0x1d0 [ 567.129202][ T7642] ? do_recvmmsg+0x740/0x740 [ 567.133887][ T7642] ? find_held_lock+0x2d/0x110 [ 567.138702][ T7642] ? preempt_count_sub+0x150/0x150 [ 567.144016][ T7642] ? __fget_light+0x1fc/0x260 [ 567.148715][ T7642] __sys_sendmsg+0x117/0x1e0 [ 567.153331][ T7642] ? __sys_sendmsg_sock+0x30/0x30 [ 567.158389][ T7642] ? syscall_enter_from_user_mode+0x26/0x80 [ 567.164477][ T7642] do_syscall_64+0x3f/0x110 [ 567.168995][ T7642] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 567.175016][ T7642] RIP: 0033:0x7f2631248c19 [ 567.179614][ T7642] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 567.200969][ T7642] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 567.209606][ T7642] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 567.218107][ T7642] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 567.226747][ T7642] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 567.235358][ T7642] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 567.243448][ T7642] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 567.251463][ T7642] [ 567.315486][ T7642] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 567.362894][ T7642] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 567.376434][ T7642] CPU: 0 PID: 7642 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 567.386907][ T7642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 567.399689][ T7642] Call Trace: [ 567.403243][ T7642] [ 567.406190][ T7642] dump_stack_lvl+0x125/0x1b0 [ 567.411180][ T7642] sysfs_warn_dup+0x7f/0xa0 [ 567.415978][ T7642] sysfs_create_dir_ns+0x247/0x2a0 [ 567.421510][ T7642] ? sysfs_create_mount_point+0xb0/0xb0 [ 567.431578][ T7642] ? spin_bug+0x1d0/0x1d0 [ 567.436581][ T7642] ? net_namespace+0x12/0x40 [ 567.441820][ T7642] ? device_namespace+0x8d/0xc0 [ 567.446990][ T7642] kobject_add_internal+0x2c8/0x960 [ 567.453395][ T7642] kobject_add+0x16f/0x240 [ 567.458157][ T7642] ? kset_create_and_add+0x190/0x190 [ 567.463673][ T7642] ? do_raw_spin_unlock+0x173/0x230 [ 567.469191][ T7642] ? kobject_put+0xbe/0x440 [ 567.473764][ T7642] ? device_add+0xc35/0x1aa0 [ 567.478681][ T7642] device_add+0x289/0x1aa0 [ 567.483237][ T7642] ? device_initialize+0x510/0x510 [ 567.488907][ T7642] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 567.500490][ T7642] ? __init_waitqueue_head+0xca/0x150 [ 567.506255][ T7642] netdev_register_kobject+0x183/0x3f0 [ 567.511913][ T7642] register_netdevice+0xbdf/0x14a0 [ 567.517388][ T7642] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 567.523402][ T7642] ? validate_linkmsg+0x6fc/0x9c0 [ 567.528825][ T7642] ? rtnl_create_link+0xa6d/0xfd0 [ 567.534585][ T7642] ? batadv_get_sset_count+0x40/0x40 [ 567.540165][ T7642] batadv_softif_newlink+0x70/0x90 [ 567.545314][ T7642] __rtnl_newlink+0x1173/0x1930 [ 567.550206][ T7642] ? rtnl_link_unregister+0x260/0x260 [ 567.555618][ T7642] rtnl_newlink+0x67/0xa0 [ 567.559960][ T7642] ? __rtnl_newlink+0x1930/0x1930 [ 567.564996][ T7642] rtnetlink_rcv_msg+0x3c7/0xe00 [ 567.569948][ T7642] ? rtnl_getlink+0xb40/0xb40 [ 567.574823][ T7642] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 567.580935][ T7642] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 567.586962][ T7642] netlink_rcv_skb+0x16b/0x440 [ 567.592095][ T7642] ? rtnl_getlink+0xb40/0xb40 [ 567.597241][ T7642] ? netlink_ack+0x1370/0x1370 [ 567.602218][ T7642] ? lock_sync+0x190/0x190 [ 567.606672][ T7642] ? netlink_deliver_tap+0x1a0/0xd00 [ 567.612054][ T7642] ? _copy_from_iter+0x2c1/0x10f0 [ 567.617190][ T7642] netlink_unicast+0x53b/0x810 [ 567.622181][ T7642] ? netlink_attachskb+0x880/0x880 [ 567.627753][ T7642] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 567.634120][ T7642] ? __phys_addr_symbol+0x30/0x70 [ 567.639804][ T7642] ? __check_object_size+0x323/0x730 [ 567.645217][ T7642] netlink_sendmsg+0x93c/0xe40 [ 567.650353][ T7642] ? netlink_unicast+0x810/0x810 [ 567.655397][ T7642] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 567.661070][ T7642] ? netlink_unicast+0x810/0x810 [ 567.666297][ T7642] __sock_sendmsg+0xd5/0x180 [ 567.671092][ T7642] ____sys_sendmsg+0x6ac/0x940 [ 567.676136][ T7642] ? copy_msghdr_from_user+0x10b/0x160 [ 567.681964][ T7642] ? kernel_sendmsg+0x50/0x50 [ 567.687307][ T7642] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 567.693513][ T7642] ___sys_sendmsg+0x135/0x1d0 [ 567.698754][ T7642] ? do_recvmmsg+0x740/0x740 [ 567.703984][ T7642] ? find_held_lock+0x2d/0x110 [ 567.708775][ T7642] ? preempt_count_sub+0x150/0x150 [ 567.714262][ T7642] ? __fget_light+0x1fc/0x260 [ 567.719200][ T7642] __sys_sendmsg+0x117/0x1e0 [ 567.723853][ T7642] ? __sys_sendmsg_sock+0x30/0x30 [ 567.728909][ T7642] ? syscall_enter_from_user_mode+0x26/0x80 [ 567.734820][ T7642] do_syscall_64+0x3f/0x110 [ 567.739713][ T7642] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 567.745838][ T7642] RIP: 0033:0x7f2631248c19 [ 567.750501][ T7642] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 567.770585][ T7642] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 567.779034][ T7642] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 567.787112][ T7642] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 567.795091][ T7642] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 567.803242][ T7642] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 567.811423][ T7642] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 567.819444][ T7642] [ 567.876912][ T7642] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 567.976970][ T7650] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 568.007254][ T7650] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 568.019834][ T7650] CPU: 0 PID: 7650 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 568.030315][ T7650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 568.040495][ T7650] Call Trace: [ 568.043889][ T7650] [ 568.046948][ T7650] dump_stack_lvl+0x125/0x1b0 [ 568.052108][ T7650] sysfs_warn_dup+0x7f/0xa0 [ 568.056671][ T7650] sysfs_create_dir_ns+0x247/0x2a0 [ 568.061923][ T7650] ? sysfs_create_mount_point+0xb0/0xb0 [ 568.067521][ T7650] ? spin_bug+0x1d0/0x1d0 [ 568.071903][ T7650] ? net_namespace+0x12/0x40 [ 568.076613][ T7650] ? device_namespace+0x8d/0xc0 [ 568.081517][ T7650] kobject_add_internal+0x2c8/0x960 [ 568.086765][ T7650] kobject_add+0x16f/0x240 [ 568.091317][ T7650] ? kset_create_and_add+0x190/0x190 [ 568.096741][ T7650] ? do_raw_spin_unlock+0x173/0x230 [ 568.102247][ T7650] ? kobject_put+0xbe/0x440 [ 568.106978][ T7650] ? device_add+0xc35/0x1aa0 [ 568.111605][ T7650] device_add+0x289/0x1aa0 [ 568.116111][ T7650] ? device_initialize+0x510/0x510 [ 568.121259][ T7650] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 568.128235][ T7650] ? __init_waitqueue_head+0xca/0x150 [ 568.134186][ T7650] netdev_register_kobject+0x183/0x3f0 [ 568.140124][ T7650] register_netdevice+0xbdf/0x14a0 [ 568.145365][ T7650] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 568.151303][ T7650] ? team_nl_cmd_noop+0x280/0x280 [ 568.156525][ T7650] team_newlink+0x92/0x160 [ 568.161236][ T7650] ? team_nl_cmd_noop+0x280/0x280 [ 568.166293][ T7650] ? rtnl_create_link+0xa6d/0xfd0 [ 568.171626][ T7650] __rtnl_newlink+0x1173/0x1930 [ 568.176875][ T7650] ? rtnl_link_unregister+0x260/0x260 [ 568.182405][ T7650] rtnl_newlink+0x67/0xa0 [ 568.186765][ T7650] ? __rtnl_newlink+0x1930/0x1930 [ 568.191825][ T7650] rtnetlink_rcv_msg+0x3c7/0xe00 [ 568.197184][ T7650] ? rtnl_getlink+0xb40/0xb40 [ 568.202280][ T7650] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 568.208297][ T7650] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 568.214334][ T7650] netlink_rcv_skb+0x16b/0x440 [ 568.219135][ T7650] ? rtnl_getlink+0xb40/0xb40 [ 568.223848][ T7650] ? netlink_ack+0x1370/0x1370 [ 568.228816][ T7650] ? lock_sync+0x190/0x190 [ 568.234126][ T7650] ? netlink_deliver_tap+0x1a0/0xd00 [ 568.239626][ T7650] ? _copy_from_iter+0x2c1/0x10f0 [ 568.244882][ T7650] netlink_unicast+0x53b/0x810 [ 568.249859][ T7650] ? netlink_attachskb+0x880/0x880 [ 568.255101][ T7650] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 568.261200][ T7650] ? __phys_addr_symbol+0x30/0x70 [ 568.266515][ T7650] ? __check_object_size+0x323/0x730 [ 568.272193][ T7650] netlink_sendmsg+0x93c/0xe40 [ 568.277635][ T7650] ? netlink_unicast+0x810/0x810 [ 568.282712][ T7650] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 568.288026][ T7650] ? netlink_unicast+0x810/0x810 [ 568.292995][ T7650] __sock_sendmsg+0xd5/0x180 [ 568.297611][ T7650] ____sys_sendmsg+0x6ac/0x940 [ 568.302411][ T7650] ? copy_msghdr_from_user+0x10b/0x160 [ 568.308342][ T7650] ? kernel_sendmsg+0x50/0x50 [ 568.313052][ T7650] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 568.319238][ T7650] ___sys_sendmsg+0x135/0x1d0 [ 568.323998][ T7650] ? do_recvmmsg+0x740/0x740 [ 568.328631][ T7650] ? find_held_lock+0x2d/0x110 [ 568.333551][ T7650] ? preempt_count_sub+0x150/0x150 [ 568.338719][ T7650] ? __fget_light+0x1fc/0x260 [ 568.343529][ T7650] __sys_sendmsg+0x117/0x1e0 [ 568.348292][ T7650] ? __sys_sendmsg_sock+0x30/0x30 [ 568.353477][ T7650] ? syscall_enter_from_user_mode+0x26/0x80 [ 568.359783][ T7650] do_syscall_64+0x3f/0x110 [ 568.364597][ T7650] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 568.370894][ T7650] RIP: 0033:0x7f2631248c19 [ 568.375358][ T7650] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 568.395724][ T7650] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 568.404457][ T7650] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 568.412992][ T7650] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 568.421193][ T7650] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 568.429206][ T7650] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 568.438264][ T7650] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 568.446470][ T7650] [ 568.459704][ T7650] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 568.507822][ T7650] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 568.534413][ T7650] CPU: 0 PID: 7650 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 568.544829][ T7650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 568.555778][ T7650] Call Trace: [ 568.559252][ T7650] [ 568.562201][ T7650] dump_stack_lvl+0x125/0x1b0 [ 568.566917][ T7650] sysfs_warn_dup+0x7f/0xa0 [ 568.571460][ T7650] sysfs_create_dir_ns+0x247/0x2a0 [ 568.577048][ T7650] ? sysfs_create_mount_point+0xb0/0xb0 [ 568.582936][ T7650] ? spin_bug+0x1d0/0x1d0 [ 568.588083][ T7650] ? net_namespace+0x12/0x40 [ 568.592704][ T7650] ? device_namespace+0x8d/0xc0 [ 568.597767][ T7650] kobject_add_internal+0x2c8/0x960 [ 568.603360][ T7650] kobject_add+0x16f/0x240 [ 568.607974][ T7650] ? kset_create_and_add+0x190/0x190 [ 568.613375][ T7650] ? do_raw_spin_unlock+0x173/0x230 [ 568.618774][ T7650] ? kobject_put+0xbe/0x440 [ 568.623416][ T7650] ? device_add+0xc35/0x1aa0 [ 568.628031][ T7650] device_add+0x289/0x1aa0 [ 568.632634][ T7650] ? device_initialize+0x510/0x510 [ 568.637815][ T7650] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 568.644858][ T7650] ? __init_waitqueue_head+0xca/0x150 [ 568.650436][ T7650] netdev_register_kobject+0x183/0x3f0 [ 568.656039][ T7650] register_netdevice+0xbdf/0x14a0 [ 568.661468][ T7650] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 568.667404][ T7650] ? validate_linkmsg+0x6fc/0x9c0 [ 568.672452][ T7650] ? rtnl_create_link+0xa6d/0xfd0 [ 568.677789][ T7650] ? batadv_get_sset_count+0x40/0x40 [ 568.683617][ T7650] batadv_softif_newlink+0x70/0x90 [ 568.689036][ T7650] __rtnl_newlink+0x1173/0x1930 [ 568.694116][ T7650] ? rtnl_link_unregister+0x260/0x260 [ 568.699606][ T7650] rtnl_newlink+0x67/0xa0 [ 568.704413][ T7650] ? __rtnl_newlink+0x1930/0x1930 [ 568.709640][ T7650] rtnetlink_rcv_msg+0x3c7/0xe00 [ 568.714700][ T7650] ? rtnl_getlink+0xb40/0xb40 [ 568.719648][ T7650] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 568.725992][ T7650] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 568.732084][ T7650] netlink_rcv_skb+0x16b/0x440 [ 568.736892][ T7650] ? rtnl_getlink+0xb40/0xb40 [ 568.741777][ T7650] ? netlink_ack+0x1370/0x1370 [ 568.746788][ T7650] ? lock_sync+0x190/0x190 [ 568.751339][ T7650] ? netlink_deliver_tap+0x1a0/0xd00 [ 568.756743][ T7650] ? _copy_from_iter+0x2c1/0x10f0 [ 568.761827][ T7650] netlink_unicast+0x53b/0x810 [ 568.766706][ T7650] ? netlink_attachskb+0x880/0x880 [ 568.771856][ T7650] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 568.777850][ T7650] ? __phys_addr_symbol+0x30/0x70 [ 568.782985][ T7650] ? __check_object_size+0x323/0x730 [ 568.788294][ T7650] netlink_sendmsg+0x93c/0xe40 [ 568.793075][ T7650] ? netlink_unicast+0x810/0x810 [ 568.798466][ T7650] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 568.803846][ T7650] ? netlink_unicast+0x810/0x810 [ 568.808800][ T7650] __sock_sendmsg+0xd5/0x180 [ 568.813468][ T7650] ____sys_sendmsg+0x6ac/0x940 [ 568.818415][ T7650] ? copy_msghdr_from_user+0x10b/0x160 [ 568.824350][ T7650] ? kernel_sendmsg+0x50/0x50 [ 568.829165][ T7650] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 568.835668][ T7650] ___sys_sendmsg+0x135/0x1d0 [ 568.840773][ T7650] ? do_recvmmsg+0x740/0x740 [ 568.845560][ T7650] ? find_held_lock+0x2d/0x110 [ 568.850552][ T7650] ? preempt_count_sub+0x150/0x150 [ 568.855790][ T7650] ? __fget_light+0x1fc/0x260 [ 568.860578][ T7650] __sys_sendmsg+0x117/0x1e0 [ 568.865270][ T7650] ? __sys_sendmsg_sock+0x30/0x30 [ 568.870323][ T7650] ? syscall_enter_from_user_mode+0x26/0x80 [ 568.876230][ T7650] do_syscall_64+0x3f/0x110 [ 568.880835][ T7650] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 568.886824][ T7650] RIP: 0033:0x7f2631248c19 [ 568.891244][ T7650] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 568.911303][ T7650] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 568.919903][ T7650] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 568.927879][ T7650] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 568.936506][ T7650] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 568.944670][ T7650] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 568.952824][ T7650] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 568.961167][ T7650] [ 568.987354][ T7650] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 569.080402][ T7658] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 569.099988][ T7658] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 569.124649][ T7658] CPU: 0 PID: 7658 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 569.134881][ T7658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 569.145315][ T7658] Call Trace: [ 569.148887][ T7658] [ 569.151843][ T7658] dump_stack_lvl+0x125/0x1b0 [ 569.156748][ T7658] sysfs_warn_dup+0x7f/0xa0 [ 569.161657][ T7658] sysfs_create_dir_ns+0x247/0x2a0 [ 569.166908][ T7658] ? sysfs_create_mount_point+0xb0/0xb0 [ 569.172615][ T7658] ? spin_bug+0x1d0/0x1d0 [ 569.177004][ T7658] ? net_namespace+0x12/0x40 [ 569.181639][ T7658] ? device_namespace+0x8d/0xc0 [ 569.186815][ T7658] kobject_add_internal+0x2c8/0x960 [ 569.192177][ T7658] kobject_add+0x16f/0x240 [ 569.196733][ T7658] ? kset_create_and_add+0x190/0x190 [ 569.202423][ T7658] ? do_raw_spin_unlock+0x173/0x230 [ 569.208049][ T7658] ? kobject_put+0xbe/0x440 [ 569.213329][ T7658] ? device_add+0xc35/0x1aa0 [ 569.217975][ T7658] device_add+0x289/0x1aa0 [ 569.222450][ T7658] ? device_initialize+0x510/0x510 [ 569.227916][ T7658] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 569.235009][ T7658] ? __init_waitqueue_head+0xca/0x150 [ 569.240532][ T7658] netdev_register_kobject+0x183/0x3f0 [ 569.246248][ T7658] register_netdevice+0xbdf/0x14a0 [ 569.251412][ T7658] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 569.257631][ T7658] ? team_nl_cmd_noop+0x280/0x280 [ 569.262987][ T7658] team_newlink+0x92/0x160 [ 569.267622][ T7658] ? team_nl_cmd_noop+0x280/0x280 [ 569.272959][ T7658] ? rtnl_create_link+0xa6d/0xfd0 [ 569.278316][ T7658] __rtnl_newlink+0x1173/0x1930 [ 569.283569][ T7658] ? rtnl_link_unregister+0x260/0x260 [ 569.289474][ T7658] rtnl_newlink+0x67/0xa0 [ 569.294025][ T7658] ? __rtnl_newlink+0x1930/0x1930 [ 569.299191][ T7658] rtnetlink_rcv_msg+0x3c7/0xe00 [ 569.304183][ T7658] ? rtnl_getlink+0xb40/0xb40 [ 569.308989][ T7658] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 569.315209][ T7658] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 569.321254][ T7658] netlink_rcv_skb+0x16b/0x440 [ 569.326412][ T7658] ? rtnl_getlink+0xb40/0xb40 [ 569.331444][ T7658] ? netlink_ack+0x1370/0x1370 [ 569.336503][ T7658] ? lock_sync+0x190/0x190 [ 569.341239][ T7658] ? netlink_deliver_tap+0x1a0/0xd00 [ 569.346728][ T7658] ? _copy_from_iter+0x2c1/0x10f0 [ 569.351985][ T7658] netlink_unicast+0x53b/0x810 [ 569.357229][ T7658] ? netlink_attachskb+0x880/0x880 [ 569.362463][ T7658] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 569.368388][ T7658] ? __phys_addr_symbol+0x30/0x70 [ 569.373708][ T7658] ? __check_object_size+0x323/0x730 [ 569.379042][ T7658] netlink_sendmsg+0x93c/0xe40 [ 569.384197][ T7658] ? netlink_unicast+0x810/0x810 [ 569.389347][ T7658] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 569.394763][ T7658] ? netlink_unicast+0x810/0x810 [ 569.400082][ T7658] __sock_sendmsg+0xd5/0x180 [ 569.404701][ T7658] ____sys_sendmsg+0x6ac/0x940 [ 569.410029][ T7658] ? copy_msghdr_from_user+0x10b/0x160 [ 569.415971][ T7658] ? kernel_sendmsg+0x50/0x50 [ 569.420930][ T7658] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 569.427765][ T7658] ___sys_sendmsg+0x135/0x1d0 [ 569.432765][ T7658] ? do_recvmmsg+0x740/0x740 [ 569.437773][ T7658] ? find_held_lock+0x2d/0x110 [ 569.442770][ T7658] ? preempt_count_sub+0x150/0x150 [ 569.448028][ T7658] ? __fget_light+0x1fc/0x260 [ 569.453557][ T7658] __sys_sendmsg+0x117/0x1e0 [ 569.458189][ T7658] ? __sys_sendmsg_sock+0x30/0x30 [ 569.464074][ T7658] ? syscall_enter_from_user_mode+0x26/0x80 [ 569.470366][ T7658] do_syscall_64+0x3f/0x110 [ 569.474924][ T7658] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 569.481215][ T7658] RIP: 0033:0x7f2631248c19 [ 569.485773][ T7658] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 569.505938][ T7658] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 569.514665][ T7658] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 569.522750][ T7658] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 569.530927][ T7658] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 569.539760][ T7658] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 569.548030][ T7658] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 569.556045][ T7658] [ 569.560309][ T7658] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 569.616001][ T7658] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 569.643797][ T7658] CPU: 1 PID: 7658 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 569.656117][ T7658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 569.666823][ T7658] Call Trace: [ 569.671031][ T7658] [ 569.674080][ T7658] dump_stack_lvl+0x125/0x1b0 [ 569.679097][ T7658] sysfs_warn_dup+0x7f/0xa0 [ 569.683752][ T7658] sysfs_create_dir_ns+0x247/0x2a0 [ 569.688937][ T7658] ? sysfs_create_mount_point+0xb0/0xb0 [ 569.694712][ T7658] ? spin_bug+0x1d0/0x1d0 [ 569.699348][ T7658] ? net_namespace+0x12/0x40 [ 569.704045][ T7658] ? device_namespace+0x8d/0xc0 [ 569.709377][ T7658] kobject_add_internal+0x2c8/0x960 [ 569.714621][ T7658] kobject_add+0x16f/0x240 [ 569.719165][ T7658] ? kset_create_and_add+0x190/0x190 [ 569.724844][ T7658] ? do_raw_spin_unlock+0x173/0x230 [ 569.730168][ T7658] ? kobject_put+0xbe/0x440 [ 569.734802][ T7658] ? device_add+0xc35/0x1aa0 [ 569.739695][ T7658] device_add+0x289/0x1aa0 [ 569.744170][ T7658] ? device_initialize+0x510/0x510 [ 569.749422][ T7658] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 569.756495][ T7658] ? __init_waitqueue_head+0xca/0x150 [ 569.761909][ T7658] netdev_register_kobject+0x183/0x3f0 [ 569.767591][ T7658] register_netdevice+0xbdf/0x14a0 [ 569.772845][ T7658] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 569.778952][ T7658] ? validate_linkmsg+0x6fc/0x9c0 [ 569.784114][ T7658] ? rtnl_create_link+0xa6d/0xfd0 [ 569.789322][ T7658] ? batadv_get_sset_count+0x40/0x40 [ 569.795165][ T7658] batadv_softif_newlink+0x70/0x90 [ 569.801039][ T7658] __rtnl_newlink+0x1173/0x1930 [ 569.805934][ T7658] ? rtnl_link_unregister+0x260/0x260 [ 569.811546][ T7658] rtnl_newlink+0x67/0xa0 [ 569.816257][ T7658] ? __rtnl_newlink+0x1930/0x1930 [ 569.821416][ T7658] rtnetlink_rcv_msg+0x3c7/0xe00 [ 569.826479][ T7658] ? rtnl_getlink+0xb40/0xb40 [ 569.831174][ T7658] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 569.837307][ T7658] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 569.843604][ T7658] netlink_rcv_skb+0x16b/0x440 [ 569.848582][ T7658] ? rtnl_getlink+0xb40/0xb40 [ 569.853377][ T7658] ? netlink_ack+0x1370/0x1370 [ 569.858273][ T7658] ? lock_sync+0x190/0x190 [ 569.862744][ T7658] ? netlink_deliver_tap+0x1a0/0xd00 [ 569.868234][ T7658] ? _copy_from_iter+0x2c1/0x10f0 [ 569.873654][ T7658] netlink_unicast+0x53b/0x810 [ 569.878978][ T7658] ? netlink_attachskb+0x880/0x880 [ 569.884553][ T7658] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 569.890473][ T7658] ? __phys_addr_symbol+0x30/0x70 [ 569.895701][ T7658] ? __check_object_size+0x323/0x730 [ 569.901031][ T7658] netlink_sendmsg+0x93c/0xe40 [ 569.906002][ T7658] ? netlink_unicast+0x810/0x810 [ 569.911064][ T7658] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 569.916557][ T7658] ? netlink_unicast+0x810/0x810 [ 569.921614][ T7658] __sock_sendmsg+0xd5/0x180 [ 569.926444][ T7658] ____sys_sendmsg+0x6ac/0x940 [ 569.931424][ T7658] ? copy_msghdr_from_user+0x10b/0x160 [ 569.937096][ T7658] ? kernel_sendmsg+0x50/0x50 [ 569.941898][ T7658] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 569.947931][ T7658] ___sys_sendmsg+0x135/0x1d0 [ 569.952822][ T7658] ? do_recvmmsg+0x740/0x740 [ 569.958141][ T7658] ? find_held_lock+0x2d/0x110 [ 569.963045][ T7658] ? preempt_count_sub+0x150/0x150 [ 569.968350][ T7658] ? __fget_light+0x1fc/0x260 [ 569.973512][ T7658] __sys_sendmsg+0x117/0x1e0 [ 569.978473][ T7658] ? __sys_sendmsg_sock+0x30/0x30 [ 569.983548][ T7658] ? syscall_enter_from_user_mode+0x26/0x80 [ 569.989764][ T7658] do_syscall_64+0x3f/0x110 [ 569.995280][ T7658] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 570.001210][ T7658] RIP: 0033:0x7f2631248c19 [ 570.005909][ T7658] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 570.025729][ T7658] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 570.034280][ T7658] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 570.042819][ T7658] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 570.051401][ T7658] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 570.059500][ T7658] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 570.067849][ T7658] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 570.076072][ T7658] [ 570.085919][ T7658] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 570.176834][ T7672] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 570.206274][ T7672] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 570.227213][ T7672] CPU: 1 PID: 7672 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 570.237853][ T7672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 570.248216][ T7672] Call Trace: [ 570.251784][ T7672] [ 570.254839][ T7672] dump_stack_lvl+0x125/0x1b0 [ 570.259853][ T7672] sysfs_warn_dup+0x7f/0xa0 [ 570.264500][ T7672] sysfs_create_dir_ns+0x247/0x2a0 [ 570.269675][ T7672] ? sysfs_create_mount_point+0xb0/0xb0 [ 570.275374][ T7672] ? spin_bug+0x1d0/0x1d0 [ 570.279862][ T7672] ? net_namespace+0x12/0x40 [ 570.284503][ T7672] ? device_namespace+0x8d/0xc0 [ 570.289760][ T7672] kobject_add_internal+0x2c8/0x960 [ 570.295216][ T7672] kobject_add+0x16f/0x240 [ 570.300238][ T7672] ? kset_create_and_add+0x190/0x190 [ 570.305687][ T7672] ? do_raw_spin_unlock+0x173/0x230 [ 570.311216][ T7672] ? kobject_put+0xbe/0x440 [ 570.315874][ T7672] ? device_add+0xc35/0x1aa0 [ 570.320627][ T7672] device_add+0x289/0x1aa0 [ 570.325358][ T7672] ? device_initialize+0x510/0x510 [ 570.330619][ T7672] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 570.337878][ T7672] ? __init_waitqueue_head+0xca/0x150 [ 570.343704][ T7672] netdev_register_kobject+0x183/0x3f0 [ 570.352608][ T7672] register_netdevice+0xbdf/0x14a0 [ 570.357867][ T7672] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 570.363824][ T7672] ? team_nl_cmd_noop+0x280/0x280 [ 570.369014][ T7672] team_newlink+0x92/0x160 [ 570.373599][ T7672] ? team_nl_cmd_noop+0x280/0x280 [ 570.378793][ T7672] ? rtnl_create_link+0xa6d/0xfd0 [ 570.383924][ T7672] __rtnl_newlink+0x1173/0x1930 [ 570.388923][ T7672] ? rtnl_link_unregister+0x260/0x260 [ 570.394370][ T7672] rtnl_newlink+0x67/0xa0 [ 570.398825][ T7672] ? __rtnl_newlink+0x1930/0x1930 [ 570.403898][ T7672] rtnetlink_rcv_msg+0x3c7/0xe00 [ 570.408890][ T7672] ? rtnl_getlink+0xb40/0xb40 [ 570.413614][ T7672] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 570.419839][ T7672] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 570.426096][ T7672] netlink_rcv_skb+0x16b/0x440 [ 570.431094][ T7672] ? rtnl_getlink+0xb40/0xb40 [ 570.436088][ T7672] ? netlink_ack+0x1370/0x1370 [ 570.440904][ T7672] ? lock_sync+0x190/0x190 [ 570.445994][ T7672] ? netlink_deliver_tap+0x1a0/0xd00 [ 570.451420][ T7672] ? _copy_from_iter+0x2c1/0x10f0 [ 570.456690][ T7672] netlink_unicast+0x53b/0x810 [ 570.461708][ T7672] ? netlink_attachskb+0x880/0x880 [ 570.466851][ T7672] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 570.472875][ T7672] ? __phys_addr_symbol+0x30/0x70 [ 570.478115][ T7672] ? __check_object_size+0x323/0x730 [ 570.483576][ T7672] netlink_sendmsg+0x93c/0xe40 [ 570.488419][ T7672] ? netlink_unicast+0x810/0x810 [ 570.496548][ T7672] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 570.502052][ T7672] ? netlink_unicast+0x810/0x810 [ 570.507471][ T7672] __sock_sendmsg+0xd5/0x180 [ 570.512183][ T7672] ____sys_sendmsg+0x6ac/0x940 [ 570.517067][ T7672] ? copy_msghdr_from_user+0x10b/0x160 [ 570.522661][ T7672] ? kernel_sendmsg+0x50/0x50 [ 570.527824][ T7672] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 570.534050][ T7672] ___sys_sendmsg+0x135/0x1d0 [ 570.538775][ T7672] ? do_recvmmsg+0x740/0x740 [ 570.543661][ T7672] ? find_held_lock+0x2d/0x110 [ 570.548559][ T7672] ? preempt_count_sub+0x150/0x150 [ 570.553808][ T7672] ? __fget_light+0x1fc/0x260 [ 570.558539][ T7672] __sys_sendmsg+0x117/0x1e0 [ 570.563685][ T7672] ? __sys_sendmsg_sock+0x30/0x30 [ 570.568934][ T7672] ? syscall_enter_from_user_mode+0x26/0x80 [ 570.575123][ T7672] do_syscall_64+0x3f/0x110 [ 570.579940][ T7672] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 570.586055][ T7672] RIP: 0033:0x7f2631248c19 [ 570.590503][ T7672] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 570.610842][ T7672] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 570.619822][ T7672] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 570.627830][ T7672] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 570.637403][ T7672] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 570.645590][ T7672] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 570.653599][ T7672] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 570.661985][ T7672] [ 570.677811][ T7672] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 570.765179][ T7672] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 570.777432][ T7672] CPU: 1 PID: 7672 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 570.787980][ T7672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 570.798065][ T7672] Call Trace: [ 570.801387][ T7672] [ 570.804344][ T7672] dump_stack_lvl+0x125/0x1b0 [ 570.809246][ T7672] sysfs_warn_dup+0x7f/0xa0 [ 570.813881][ T7672] sysfs_create_dir_ns+0x247/0x2a0 [ 570.819222][ T7672] ? sysfs_create_mount_point+0xb0/0xb0 [ 570.825078][ T7672] ? spin_bug+0x1d0/0x1d0 [ 570.829541][ T7672] ? net_namespace+0x12/0x40 [ 570.834516][ T7672] ? device_namespace+0x8d/0xc0 [ 570.839506][ T7672] kobject_add_internal+0x2c8/0x960 [ 570.849876][ T7672] kobject_add+0x16f/0x240 [ 570.854437][ T7672] ? kset_create_and_add+0x190/0x190 [ 570.859949][ T7672] ? do_raw_spin_unlock+0x173/0x230 [ 570.865366][ T7672] ? kobject_put+0xbe/0x440 [ 570.870173][ T7672] ? device_add+0xc35/0x1aa0 [ 570.875321][ T7672] device_add+0x289/0x1aa0 [ 570.880199][ T7672] ? device_initialize+0x510/0x510 [ 570.885715][ T7672] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 570.892867][ T7672] ? __init_waitqueue_head+0xca/0x150 [ 570.898293][ T7672] netdev_register_kobject+0x183/0x3f0 [ 570.903938][ T7672] register_netdevice+0xbdf/0x14a0 [ 570.909269][ T7672] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 570.915454][ T7672] ? validate_linkmsg+0x6fc/0x9c0 [ 570.920938][ T7672] ? rtnl_create_link+0xa6d/0xfd0 [ 570.926267][ T7672] ? batadv_get_sset_count+0x40/0x40 [ 570.931692][ T7672] batadv_softif_newlink+0x70/0x90 [ 570.937023][ T7672] __rtnl_newlink+0x1173/0x1930 [ 570.942107][ T7672] ? rtnl_link_unregister+0x260/0x260 [ 570.947549][ T7672] rtnl_newlink+0x67/0xa0 [ 570.951983][ T7672] ? __rtnl_newlink+0x1930/0x1930 [ 570.957024][ T7672] rtnetlink_rcv_msg+0x3c7/0xe00 [ 570.962066][ T7672] ? rtnl_getlink+0xb40/0xb40 [ 570.967099][ T7672] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 570.973364][ T7672] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 570.979579][ T7672] netlink_rcv_skb+0x16b/0x440 [ 570.984462][ T7672] ? rtnl_getlink+0xb40/0xb40 [ 570.989434][ T7672] ? netlink_ack+0x1370/0x1370 [ 570.994356][ T7672] ? lock_sync+0x190/0x190 [ 570.999027][ T7672] ? netlink_deliver_tap+0x1a0/0xd00 [ 571.004762][ T7672] ? _copy_from_iter+0x2c1/0x10f0 [ 571.010164][ T7672] netlink_unicast+0x53b/0x810 [ 571.015347][ T7672] ? netlink_attachskb+0x880/0x880 [ 571.021471][ T7672] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 571.027568][ T7672] ? __phys_addr_symbol+0x30/0x70 [ 571.033155][ T7672] ? __check_object_size+0x323/0x730 [ 571.038707][ T7672] netlink_sendmsg+0x93c/0xe40 [ 571.043667][ T7672] ? netlink_unicast+0x810/0x810 [ 571.048983][ T7672] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 571.054375][ T7672] ? netlink_unicast+0x810/0x810 [ 571.059369][ T7672] __sock_sendmsg+0xd5/0x180 [ 571.063974][ T7672] ____sys_sendmsg+0x6ac/0x940 [ 571.068922][ T7672] ? copy_msghdr_from_user+0x10b/0x160 [ 571.074480][ T7672] ? kernel_sendmsg+0x50/0x50 [ 571.079175][ T7672] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 571.085612][ T7672] ___sys_sendmsg+0x135/0x1d0 [ 571.091781][ T7672] ? do_recvmmsg+0x740/0x740 [ 571.097774][ T7672] ? find_held_lock+0x2d/0x110 [ 571.102855][ T7672] ? preempt_count_sub+0x150/0x150 [ 571.108980][ T7672] ? __fget_light+0x1fc/0x260 [ 571.115160][ T7672] __sys_sendmsg+0x117/0x1e0 [ 571.120026][ T7672] ? __sys_sendmsg_sock+0x30/0x30 [ 571.125386][ T7672] ? syscall_enter_from_user_mode+0x26/0x80 [ 571.131556][ T7672] do_syscall_64+0x3f/0x110 [ 571.136281][ T7672] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 571.142224][ T7672] RIP: 0033:0x7f2631248c19 [ 571.146742][ T7672] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 571.166990][ T7672] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 571.175604][ T7672] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 571.183944][ T7672] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 571.192111][ T7672] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 571.200722][ T7672] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 571.209246][ T7672] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 571.218212][ T7672] [ 571.223893][ T7672] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 571.286671][ T7685] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 571.298443][ T7685] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 571.309980][ T7685] CPU: 1 PID: 7685 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 571.320810][ T7685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 571.331546][ T7685] Call Trace: [ 571.334970][ T7685] [ 571.338098][ T7685] dump_stack_lvl+0x125/0x1b0 [ 571.343358][ T7685] sysfs_warn_dup+0x7f/0xa0 [ 571.347922][ T7685] sysfs_create_dir_ns+0x247/0x2a0 [ 571.353288][ T7685] ? sysfs_create_mount_point+0xb0/0xb0 [ 571.359246][ T7685] ? spin_bug+0x1d0/0x1d0 [ 571.364031][ T7685] ? net_namespace+0x12/0x40 [ 571.369280][ T7685] ? device_namespace+0x8d/0xc0 [ 571.374547][ T7685] kobject_add_internal+0x2c8/0x960 [ 571.380417][ T7685] kobject_add+0x16f/0x240 [ 571.384993][ T7685] ? kset_create_and_add+0x190/0x190 [ 571.390523][ T7685] ? do_raw_spin_unlock+0x173/0x230 [ 571.396565][ T7685] ? kobject_put+0xbe/0x440 [ 571.402104][ T7685] ? device_add+0xc35/0x1aa0 [ 571.406929][ T7685] device_add+0x289/0x1aa0 [ 571.412082][ T7685] ? device_initialize+0x510/0x510 [ 571.417877][ T7685] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 571.425451][ T7685] ? __init_waitqueue_head+0xca/0x150 [ 571.431328][ T7685] netdev_register_kobject+0x183/0x3f0 [ 571.437423][ T7685] register_netdevice+0xbdf/0x14a0 [ 571.442950][ T7685] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 571.449005][ T7685] ? team_nl_cmd_noop+0x280/0x280 [ 571.454520][ T7685] team_newlink+0x92/0x160 [ 571.459486][ T7685] ? team_nl_cmd_noop+0x280/0x280 [ 571.464752][ T7685] ? rtnl_create_link+0xa6d/0xfd0 [ 571.470300][ T7685] __rtnl_newlink+0x1173/0x1930 [ 571.475609][ T7685] ? rtnl_link_unregister+0x260/0x260 [ 571.481425][ T7685] rtnl_newlink+0x67/0xa0 [ 571.485882][ T7685] ? __rtnl_newlink+0x1930/0x1930 [ 571.491246][ T7685] rtnetlink_rcv_msg+0x3c7/0xe00 [ 571.496409][ T7685] ? rtnl_getlink+0xb40/0xb40 [ 571.501137][ T7685] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 571.507346][ T7685] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 571.513604][ T7685] netlink_rcv_skb+0x16b/0x440 [ 571.518511][ T7685] ? rtnl_getlink+0xb40/0xb40 [ 571.523939][ T7685] ? netlink_ack+0x1370/0x1370 [ 571.528861][ T7685] ? lock_sync+0x190/0x190 [ 571.533689][ T7685] ? netlink_deliver_tap+0x1a0/0xd00 [ 571.539097][ T7685] ? _copy_from_iter+0x2c1/0x10f0 [ 571.544819][ T7685] netlink_unicast+0x53b/0x810 [ 571.549657][ T7685] ? netlink_attachskb+0x880/0x880 [ 571.554805][ T7685] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 571.560856][ T7685] ? __phys_addr_symbol+0x30/0x70 [ 571.566192][ T7685] ? __check_object_size+0x323/0x730 [ 571.571789][ T7685] netlink_sendmsg+0x93c/0xe40 [ 571.576782][ T7685] ? netlink_unicast+0x810/0x810 [ 571.582382][ T7685] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 571.588237][ T7685] ? netlink_unicast+0x810/0x810 [ 571.593683][ T7685] __sock_sendmsg+0xd5/0x180 [ 571.598574][ T7685] ____sys_sendmsg+0x6ac/0x940 [ 571.604071][ T7685] ? copy_msghdr_from_user+0x10b/0x160 [ 571.609757][ T7685] ? kernel_sendmsg+0x50/0x50 [ 571.614476][ T7685] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 571.623479][ T7685] ___sys_sendmsg+0x135/0x1d0 [ 571.630310][ T7685] ? do_recvmmsg+0x740/0x740 [ 571.635908][ T7685] ? find_held_lock+0x2d/0x110 [ 571.641281][ T7685] ? preempt_count_sub+0x150/0x150 [ 571.646553][ T7685] ? __fget_light+0x1fc/0x260 [ 571.652076][ T7685] __sys_sendmsg+0x117/0x1e0 [ 571.656980][ T7685] ? __sys_sendmsg_sock+0x30/0x30 [ 571.662874][ T7685] ? syscall_enter_from_user_mode+0x26/0x80 [ 571.669021][ T7685] do_syscall_64+0x3f/0x110 [ 571.674361][ T7685] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 571.681000][ T7685] RIP: 0033:0x7f2631248c19 [ 571.685566][ T7685] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 571.706111][ T7685] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 571.714559][ T7685] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 571.722558][ T7685] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 571.732121][ T7685] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 571.740581][ T7685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 571.748761][ T7685] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 571.757071][ T7685] [ 571.762970][ T7685] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 571.817788][ T7685] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 571.827788][ T7685] CPU: 1 PID: 7685 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 571.837989][ T7685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 571.848362][ T7685] Call Trace: [ 571.851745][ T7685] [ 571.854886][ T7685] dump_stack_lvl+0x125/0x1b0 [ 571.859600][ T7685] sysfs_warn_dup+0x7f/0xa0 [ 571.864229][ T7685] sysfs_create_dir_ns+0x247/0x2a0 [ 571.869565][ T7685] ? sysfs_create_mount_point+0xb0/0xb0 [ 571.875486][ T7685] ? spin_bug+0x1d0/0x1d0 [ 571.880383][ T7685] ? net_namespace+0x12/0x40 [ 571.885560][ T7685] ? device_namespace+0x8d/0xc0 [ 571.890743][ T7685] kobject_add_internal+0x2c8/0x960 [ 571.896808][ T7685] kobject_add+0x16f/0x240 [ 571.901616][ T7685] ? kset_create_and_add+0x190/0x190 [ 571.907184][ T7685] ? do_raw_spin_unlock+0x173/0x230 [ 571.912430][ T7685] ? kobject_put+0xbe/0x440 [ 571.917060][ T7685] ? device_add+0xc35/0x1aa0 [ 571.921669][ T7685] device_add+0x289/0x1aa0 [ 571.926381][ T7685] ? device_initialize+0x510/0x510 [ 571.932162][ T7685] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 571.939242][ T7685] ? __init_waitqueue_head+0xca/0x150 [ 571.944750][ T7685] netdev_register_kobject+0x183/0x3f0 [ 571.950373][ T7685] register_netdevice+0xbdf/0x14a0 [ 571.955619][ T7685] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 571.961796][ T7685] ? validate_linkmsg+0x6fc/0x9c0 [ 571.967023][ T7685] ? rtnl_create_link+0xa6d/0xfd0 [ 571.972527][ T7685] ? batadv_get_sset_count+0x40/0x40 [ 571.978020][ T7685] batadv_softif_newlink+0x70/0x90 [ 571.983172][ T7685] __rtnl_newlink+0x1173/0x1930 [ 571.988135][ T7685] ? rtnl_link_unregister+0x260/0x260 [ 571.993577][ T7685] rtnl_newlink+0x67/0xa0 [ 571.998020][ T7685] ? __rtnl_newlink+0x1930/0x1930 [ 572.003062][ T7685] rtnetlink_rcv_msg+0x3c7/0xe00 [ 572.008188][ T7685] ? rtnl_getlink+0xb40/0xb40 [ 572.012958][ T7685] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 572.019237][ T7685] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 572.025250][ T7685] netlink_rcv_skb+0x16b/0x440 [ 572.030141][ T7685] ? rtnl_getlink+0xb40/0xb40 [ 572.035041][ T7685] ? netlink_ack+0x1370/0x1370 [ 572.039966][ T7685] ? lock_sync+0x190/0x190 [ 572.044605][ T7685] ? netlink_deliver_tap+0x1a0/0xd00 [ 572.050023][ T7685] ? _copy_from_iter+0x2c1/0x10f0 [ 572.055215][ T7685] netlink_unicast+0x53b/0x810 [ 572.060136][ T7685] ? netlink_attachskb+0x880/0x880 [ 572.065363][ T7685] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 572.071551][ T7685] ? __phys_addr_symbol+0x30/0x70 [ 572.076936][ T7685] ? __check_object_size+0x323/0x730 [ 572.082328][ T7685] netlink_sendmsg+0x93c/0xe40 [ 572.087115][ T7685] ? netlink_unicast+0x810/0x810 [ 572.092083][ T7685] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 572.097497][ T7685] ? netlink_unicast+0x810/0x810 [ 572.102558][ T7685] __sock_sendmsg+0xd5/0x180 [ 572.107626][ T7685] ____sys_sendmsg+0x6ac/0x940 [ 572.112536][ T7685] ? copy_msghdr_from_user+0x10b/0x160 [ 572.118130][ T7685] ? kernel_sendmsg+0x50/0x50 [ 572.122865][ T7685] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 572.129250][ T7685] ___sys_sendmsg+0x135/0x1d0 [ 572.134432][ T7685] ? do_recvmmsg+0x740/0x740 [ 572.139067][ T7685] ? find_held_lock+0x2d/0x110 [ 572.144040][ T7685] ? preempt_count_sub+0x150/0x150 [ 572.149353][ T7685] ? __fget_light+0x1fc/0x260 [ 572.154154][ T7685] __sys_sendmsg+0x117/0x1e0 [ 572.158789][ T7685] ? __sys_sendmsg_sock+0x30/0x30 [ 572.164044][ T7685] ? syscall_enter_from_user_mode+0x26/0x80 [ 572.170003][ T7685] do_syscall_64+0x3f/0x110 [ 572.174661][ T7685] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 572.180659][ T7685] RIP: 0033:0x7f2631248c19 [ 572.185173][ T7685] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 572.204805][ T7685] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 572.213714][ T7685] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 572.221785][ T7685] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 572.230010][ T7685] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 572.238790][ T7685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 572.247082][ T7685] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 572.260405][ T7685] [ 572.271595][ T7685] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 572.346951][ T7686] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 572.358410][ T7686] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 572.368157][ T7686] CPU: 1 PID: 7686 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 572.378880][ T7686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 572.388965][ T7686] Call Trace: [ 572.392554][ T7686] [ 572.395786][ T7686] dump_stack_lvl+0x125/0x1b0 [ 572.400774][ T7686] sysfs_warn_dup+0x7f/0xa0 [ 572.405701][ T7686] sysfs_create_dir_ns+0x247/0x2a0 [ 572.410939][ T7686] ? sysfs_create_mount_point+0xb0/0xb0 [ 572.416642][ T7686] ? spin_bug+0x1d0/0x1d0 [ 572.421023][ T7686] ? net_namespace+0x12/0x40 [ 572.425897][ T7686] ? device_namespace+0x8d/0xc0 [ 572.430967][ T7686] kobject_add_internal+0x2c8/0x960 [ 572.436490][ T7686] kobject_add+0x16f/0x240 [ 572.441211][ T7686] ? kset_create_and_add+0x190/0x190 [ 572.446808][ T7686] ? do_raw_spin_unlock+0x173/0x230 [ 572.452158][ T7686] ? kobject_put+0xbe/0x440 [ 572.456811][ T7686] ? device_add+0xc35/0x1aa0 [ 572.461840][ T7686] device_add+0x289/0x1aa0 [ 572.466405][ T7686] ? device_initialize+0x510/0x510 [ 572.471734][ T7686] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 572.479061][ T7686] ? __init_waitqueue_head+0xca/0x150 [ 572.485100][ T7686] netdev_register_kobject+0x183/0x3f0 [ 572.490807][ T7686] register_netdevice+0xbdf/0x14a0 [ 572.496140][ T7686] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 572.502371][ T7686] ? team_nl_cmd_noop+0x280/0x280 [ 572.507549][ T7686] team_newlink+0x92/0x160 [ 572.512364][ T7686] ? team_nl_cmd_noop+0x280/0x280 [ 572.517622][ T7686] ? rtnl_create_link+0xa6d/0xfd0 [ 572.522890][ T7686] __rtnl_newlink+0x1173/0x1930 [ 572.528245][ T7686] ? rtnl_link_unregister+0x260/0x260 [ 572.534132][ T7686] rtnl_newlink+0x67/0xa0 [ 572.538521][ T7686] ? __rtnl_newlink+0x1930/0x1930 [ 572.543929][ T7686] rtnetlink_rcv_msg+0x3c7/0xe00 [ 572.548905][ T7686] ? rtnl_getlink+0xb40/0xb40 [ 572.553872][ T7686] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 572.560019][ T7686] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 572.566057][ T7686] netlink_rcv_skb+0x16b/0x440 [ 572.570854][ T7686] ? rtnl_getlink+0xb40/0xb40 [ 572.575829][ T7686] ? netlink_ack+0x1370/0x1370 [ 572.580883][ T7686] ? lock_sync+0x190/0x190 [ 572.585440][ T7686] ? netlink_deliver_tap+0x1a0/0xd00 [ 572.591104][ T7686] ? _copy_from_iter+0x2c1/0x10f0 [ 572.596308][ T7686] netlink_unicast+0x53b/0x810 [ 572.601466][ T7686] ? netlink_attachskb+0x880/0x880 [ 572.606614][ T7686] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 572.612712][ T7686] ? __phys_addr_symbol+0x30/0x70 [ 572.617943][ T7686] ? __check_object_size+0x323/0x730 [ 572.623729][ T7686] netlink_sendmsg+0x93c/0xe40 [ 572.628981][ T7686] ? netlink_unicast+0x810/0x810 [ 572.635713][ T7686] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 572.641286][ T7686] ? netlink_unicast+0x810/0x810 [ 572.646266][ T7686] __sock_sendmsg+0xd5/0x180 [ 572.651237][ T7686] ____sys_sendmsg+0x6ac/0x940 [ 572.656052][ T7686] ? copy_msghdr_from_user+0x10b/0x160 [ 572.661820][ T7686] ? kernel_sendmsg+0x50/0x50 [ 572.666634][ T7686] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 572.672752][ T7686] ___sys_sendmsg+0x135/0x1d0 [ 572.678485][ T7686] ? do_recvmmsg+0x740/0x740 [ 572.684006][ T7686] ? find_held_lock+0x2d/0x110 [ 572.689186][ T7686] ? preempt_count_sub+0x150/0x150 [ 572.694616][ T7686] ? __fget_light+0x1fc/0x260 [ 572.699779][ T7686] __sys_sendmsg+0x117/0x1e0 [ 572.704749][ T7686] ? __sys_sendmsg_sock+0x30/0x30 [ 572.710793][ T7686] ? syscall_enter_from_user_mode+0x26/0x80 [ 572.716815][ T7686] do_syscall_64+0x3f/0x110 [ 572.721550][ T7686] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 572.727838][ T7686] RIP: 0033:0x7f2631248c19 [ 572.732553][ T7686] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 572.752983][ T7686] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 572.761941][ T7686] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 572.770223][ T7686] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 572.778596][ T7686] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 572.786682][ T7686] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 572.794686][ T7686] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 572.802966][ T7686] [ 572.810357][ T7686] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 572.851399][ T7686] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 572.861685][ T7686] CPU: 1 PID: 7686 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 572.872615][ T7686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 572.883184][ T7686] Call Trace: [ 572.886586][ T7686] [ 572.889559][ T7686] dump_stack_lvl+0x125/0x1b0 [ 572.894648][ T7686] sysfs_warn_dup+0x7f/0xa0 [ 572.899392][ T7686] sysfs_create_dir_ns+0x247/0x2a0 [ 572.904731][ T7686] ? sysfs_create_mount_point+0xb0/0xb0 [ 572.910592][ T7686] ? spin_bug+0x1d0/0x1d0 [ 572.915163][ T7686] ? net_namespace+0x12/0x40 [ 572.919867][ T7686] ? device_namespace+0x8d/0xc0 [ 572.924830][ T7686] kobject_add_internal+0x2c8/0x960 [ 572.930056][ T7686] kobject_add+0x16f/0x240 [ 572.934490][ T7686] ? kset_create_and_add+0x190/0x190 [ 572.939969][ T7686] ? do_raw_spin_unlock+0x173/0x230 [ 572.945278][ T7686] ? kobject_put+0xbe/0x440 [ 572.949812][ T7686] ? device_add+0xc35/0x1aa0 [ 572.954509][ T7686] device_add+0x289/0x1aa0 [ 572.959729][ T7686] ? device_initialize+0x510/0x510 [ 572.965080][ T7686] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 572.972378][ T7686] ? __init_waitqueue_head+0xca/0x150 [ 572.977800][ T7686] netdev_register_kobject+0x183/0x3f0 [ 572.983282][ T7686] register_netdevice+0xbdf/0x14a0 [ 572.988493][ T7686] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 572.995089][ T7686] ? validate_linkmsg+0x6fc/0x9c0 [ 573.000307][ T7686] ? rtnl_create_link+0xa6d/0xfd0 [ 573.005350][ T7686] ? batadv_get_sset_count+0x40/0x40 [ 573.011100][ T7686] batadv_softif_newlink+0x70/0x90 [ 573.016258][ T7686] __rtnl_newlink+0x1173/0x1930 [ 573.021481][ T7686] ? rtnl_link_unregister+0x260/0x260 [ 573.027423][ T7686] rtnl_newlink+0x67/0xa0 [ 573.033439][ T7686] ? __rtnl_newlink+0x1930/0x1930 [ 573.039054][ T7686] rtnetlink_rcv_msg+0x3c7/0xe00 [ 573.044226][ T7686] ? rtnl_getlink+0xb40/0xb40 [ 573.049392][ T7686] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 573.056325][ T7686] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 573.062907][ T7686] netlink_rcv_skb+0x16b/0x440 [ 573.067877][ T7686] ? rtnl_getlink+0xb40/0xb40 [ 573.074938][ T7686] ? netlink_ack+0x1370/0x1370 [ 573.080068][ T7686] ? lock_sync+0x190/0x190 [ 573.084772][ T7686] ? netlink_deliver_tap+0x1a0/0xd00 [ 573.090156][ T7686] ? _copy_from_iter+0x2c1/0x10f0 [ 573.095294][ T7686] netlink_unicast+0x53b/0x810 [ 573.100088][ T7686] ? netlink_attachskb+0x880/0x880 [ 573.105826][ T7686] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 573.111937][ T7686] ? __phys_addr_symbol+0x30/0x70 [ 573.117174][ T7686] ? __check_object_size+0x323/0x730 [ 573.122579][ T7686] netlink_sendmsg+0x93c/0xe40 [ 573.127636][ T7686] ? netlink_unicast+0x810/0x810 [ 573.132705][ T7686] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 573.138202][ T7686] ? netlink_unicast+0x810/0x810 [ 573.143361][ T7686] __sock_sendmsg+0xd5/0x180 [ 573.148518][ T7686] ____sys_sendmsg+0x6ac/0x940 [ 573.153411][ T7686] ? copy_msghdr_from_user+0x10b/0x160 [ 573.159160][ T7686] ? kernel_sendmsg+0x50/0x50 [ 573.163854][ T7686] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 573.170006][ T7686] ___sys_sendmsg+0x135/0x1d0 [ 573.174787][ T7686] ? do_recvmmsg+0x740/0x740 [ 573.179474][ T7686] ? find_held_lock+0x2d/0x110 [ 573.184354][ T7686] ? preempt_count_sub+0x150/0x150 [ 573.189513][ T7686] ? __fget_light+0x1fc/0x260 [ 573.194255][ T7686] __sys_sendmsg+0x117/0x1e0 [ 573.199010][ T7686] ? __sys_sendmsg_sock+0x30/0x30 [ 573.204321][ T7686] ? syscall_enter_from_user_mode+0x26/0x80 [ 573.210575][ T7686] do_syscall_64+0x3f/0x110 [ 573.215406][ T7686] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 573.222005][ T7686] RIP: 0033:0x7f2631248c19 [ 573.226601][ T7686] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 573.247968][ T7686] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 573.256484][ T7686] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 573.265007][ T7686] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 573.273251][ T7686] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 573.282010][ T7686] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 573.290200][ T7686] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 573.298372][ T7686] [ 573.315231][ T7686] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 573.374003][ T7687] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 573.390652][ T7687] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 573.400340][ T7687] CPU: 0 PID: 7687 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 573.410996][ T7687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 573.421438][ T7687] Call Trace: [ 573.424739][ T7687] [ 573.427688][ T7687] dump_stack_lvl+0x125/0x1b0 [ 573.432679][ T7687] sysfs_warn_dup+0x7f/0xa0 [ 573.437487][ T7687] sysfs_create_dir_ns+0x247/0x2a0 [ 573.442741][ T7687] ? sysfs_create_mount_point+0xb0/0xb0 [ 573.448501][ T7687] ? spin_bug+0x1d0/0x1d0 [ 573.453128][ T7687] ? net_namespace+0x12/0x40 [ 573.457920][ T7687] ? device_namespace+0x8d/0xc0 [ 573.462910][ T7687] kobject_add_internal+0x2c8/0x960 [ 573.468632][ T7687] kobject_add+0x16f/0x240 [ 573.473122][ T7687] ? kset_create_and_add+0x190/0x190 [ 573.478545][ T7687] ? do_raw_spin_unlock+0x173/0x230 [ 573.483893][ T7687] ? kobject_put+0xbe/0x440 [ 573.488444][ T7687] ? device_add+0xc35/0x1aa0 [ 573.493091][ T7687] device_add+0x289/0x1aa0 [ 573.498161][ T7687] ? device_initialize+0x510/0x510 [ 573.503332][ T7687] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 573.510929][ T7687] ? __init_waitqueue_head+0xca/0x150 [ 573.516445][ T7687] netdev_register_kobject+0x183/0x3f0 [ 573.521961][ T7687] register_netdevice+0xbdf/0x14a0 [ 573.527382][ T7687] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 573.533664][ T7687] ? team_nl_cmd_noop+0x280/0x280 [ 573.538987][ T7687] team_newlink+0x92/0x160 [ 573.543553][ T7687] ? team_nl_cmd_noop+0x280/0x280 [ 573.548607][ T7687] ? rtnl_create_link+0xa6d/0xfd0 [ 573.553865][ T7687] __rtnl_newlink+0x1173/0x1930 [ 573.558765][ T7687] ? rtnl_link_unregister+0x260/0x260 [ 573.564232][ T7687] rtnl_newlink+0x67/0xa0 [ 573.568763][ T7687] ? __rtnl_newlink+0x1930/0x1930 [ 573.573817][ T7687] rtnetlink_rcv_msg+0x3c7/0xe00 [ 573.578792][ T7687] ? rtnl_getlink+0xb40/0xb40 [ 573.583498][ T7687] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 573.589659][ T7687] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 573.595705][ T7687] netlink_rcv_skb+0x16b/0x440 [ 573.600783][ T7687] ? rtnl_getlink+0xb40/0xb40 [ 573.605575][ T7687] ? netlink_ack+0x1370/0x1370 [ 573.610363][ T7687] ? lock_sync+0x190/0x190 [ 573.614951][ T7687] ? netlink_deliver_tap+0x1a0/0xd00 [ 573.620985][ T7687] ? _copy_from_iter+0x2c1/0x10f0 [ 573.626404][ T7687] netlink_unicast+0x53b/0x810 [ 573.631828][ T7687] ? netlink_attachskb+0x880/0x880 [ 573.638028][ T7687] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 573.646736][ T7687] ? __phys_addr_symbol+0x30/0x70 [ 573.653149][ T7687] ? __check_object_size+0x323/0x730 [ 573.659869][ T7687] netlink_sendmsg+0x93c/0xe40 [ 573.665062][ T7687] ? netlink_unicast+0x810/0x810 [ 573.670761][ T7687] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 573.678280][ T7687] ? netlink_unicast+0x810/0x810 [ 573.683815][ T7687] __sock_sendmsg+0xd5/0x180 [ 573.688701][ T7687] ____sys_sendmsg+0x6ac/0x940 [ 573.693708][ T7687] ? copy_msghdr_from_user+0x10b/0x160 [ 573.699309][ T7687] ? kernel_sendmsg+0x50/0x50 [ 573.704296][ T7687] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 573.711035][ T7687] ___sys_sendmsg+0x135/0x1d0 [ 573.715859][ T7687] ? do_recvmmsg+0x740/0x740 [ 573.720658][ T7687] ? find_held_lock+0x2d/0x110 [ 573.725995][ T7687] ? preempt_count_sub+0x150/0x150 [ 573.731499][ T7687] ? __fget_light+0x1fc/0x260 [ 573.736302][ T7687] __sys_sendmsg+0x117/0x1e0 [ 573.741022][ T7687] ? __sys_sendmsg_sock+0x30/0x30 [ 573.746095][ T7687] ? syscall_enter_from_user_mode+0x26/0x80 [ 573.752200][ T7687] do_syscall_64+0x3f/0x110 [ 573.756850][ T7687] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 573.762811][ T7687] RIP: 0033:0x7f2631248c19 [ 573.767244][ T7687] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 573.787589][ T7687] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 573.797174][ T7687] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 573.805449][ T7687] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 573.814226][ T7687] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 573.822402][ T7687] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 573.830926][ T7687] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 573.839042][ T7687] [ 573.845664][ T7687] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 573.883332][ T7687] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 573.893220][ T7687] CPU: 0 PID: 7687 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 573.903840][ T7687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 573.914005][ T7687] Call Trace: [ 573.917489][ T7687] [ 573.920628][ T7687] dump_stack_lvl+0x125/0x1b0 [ 573.925366][ T7687] sysfs_warn_dup+0x7f/0xa0 [ 573.929936][ T7687] sysfs_create_dir_ns+0x247/0x2a0 [ 573.935389][ T7687] ? sysfs_create_mount_point+0xb0/0xb0 [ 573.941437][ T7687] ? spin_bug+0x1d0/0x1d0 [ 573.945935][ T7687] ? net_namespace+0x12/0x40 [ 573.950839][ T7687] ? device_namespace+0x8d/0xc0 [ 573.955737][ T7687] kobject_add_internal+0x2c8/0x960 [ 573.961088][ T7687] kobject_add+0x16f/0x240 [ 573.965549][ T7687] ? kset_create_and_add+0x190/0x190 [ 573.971173][ T7687] ? do_raw_spin_unlock+0x173/0x230 [ 573.976797][ T7687] ? kobject_put+0xbe/0x440 [ 573.981523][ T7687] ? device_add+0xc35/0x1aa0 [ 573.986483][ T7687] device_add+0x289/0x1aa0 [ 573.991111][ T7687] ? device_initialize+0x510/0x510 [ 573.996266][ T7687] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 574.003259][ T7687] ? __init_waitqueue_head+0xca/0x150 [ 574.008775][ T7687] netdev_register_kobject+0x183/0x3f0 [ 574.014519][ T7687] register_netdevice+0xbdf/0x14a0 [ 574.020125][ T7687] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 574.026043][ T7687] ? validate_linkmsg+0x6fc/0x9c0 [ 574.031528][ T7687] ? rtnl_create_link+0xa6d/0xfd0 [ 574.036689][ T7687] ? batadv_get_sset_count+0x40/0x40 [ 574.042221][ T7687] batadv_softif_newlink+0x70/0x90 [ 574.047559][ T7687] __rtnl_newlink+0x1173/0x1930 [ 574.053325][ T7687] ? rtnl_link_unregister+0x260/0x260 [ 574.058849][ T7687] rtnl_newlink+0x67/0xa0 [ 574.063302][ T7687] ? __rtnl_newlink+0x1930/0x1930 [ 574.068517][ T7687] rtnetlink_rcv_msg+0x3c7/0xe00 [ 574.073491][ T7687] ? rtnl_getlink+0xb40/0xb40 [ 574.078483][ T7687] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 574.084759][ T7687] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 574.090867][ T7687] netlink_rcv_skb+0x16b/0x440 [ 574.096178][ T7687] ? rtnl_getlink+0xb40/0xb40 [ 574.101128][ T7687] ? netlink_ack+0x1370/0x1370 [ 574.105991][ T7687] ? lock_sync+0x190/0x190 [ 574.110437][ T7687] ? netlink_deliver_tap+0x1a0/0xd00 [ 574.115824][ T7687] ? _copy_from_iter+0x2c1/0x10f0 [ 574.120885][ T7687] netlink_unicast+0x53b/0x810 [ 574.125778][ T7687] ? netlink_attachskb+0x880/0x880 [ 574.131466][ T7687] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 574.138101][ T7687] ? __phys_addr_symbol+0x30/0x70 [ 574.143460][ T7687] ? __check_object_size+0x323/0x730 [ 574.149168][ T7687] netlink_sendmsg+0x93c/0xe40 [ 574.154049][ T7687] ? netlink_unicast+0x810/0x810 [ 574.159270][ T7687] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 574.164923][ T7687] ? netlink_unicast+0x810/0x810 [ 574.169914][ T7687] __sock_sendmsg+0xd5/0x180 [ 574.174621][ T7687] ____sys_sendmsg+0x6ac/0x940 [ 574.179677][ T7687] ? copy_msghdr_from_user+0x10b/0x160 [ 574.185479][ T7687] ? kernel_sendmsg+0x50/0x50 [ 574.190214][ T7687] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 574.196335][ T7687] ___sys_sendmsg+0x135/0x1d0 [ 574.201084][ T7687] ? do_recvmmsg+0x740/0x740 [ 574.205800][ T7687] ? find_held_lock+0x2d/0x110 [ 574.211470][ T7687] ? preempt_count_sub+0x150/0x150 [ 574.217217][ T7687] ? __fget_light+0x1fc/0x260 [ 574.222205][ T7687] __sys_sendmsg+0x117/0x1e0 [ 574.227003][ T7687] ? __sys_sendmsg_sock+0x30/0x30 [ 574.232249][ T7687] ? syscall_enter_from_user_mode+0x26/0x80 [ 574.238438][ T7687] do_syscall_64+0x3f/0x110 [ 574.243072][ T7687] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 574.249811][ T7687] RIP: 0033:0x7f2631248c19 [ 574.254509][ T7687] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 574.274930][ T7687] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 574.283537][ T7687] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 574.292800][ T7687] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 574.301585][ T7687] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 574.310003][ T7687] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 574.318407][ T7687] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 574.327103][ T7687] [ 574.347882][ T7687] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 574.413343][ T7688] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 574.426339][ T7688] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 574.437041][ T7688] CPU: 1 PID: 7688 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 574.448891][ T7688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 574.459146][ T7688] Call Trace: [ 574.462656][ T7688] [ 574.465628][ T7688] dump_stack_lvl+0x125/0x1b0 [ 574.471057][ T7688] sysfs_warn_dup+0x7f/0xa0 [ 574.475616][ T7688] sysfs_create_dir_ns+0x247/0x2a0 [ 574.480755][ T7688] ? sysfs_create_mount_point+0xb0/0xb0 [ 574.486319][ T7688] ? spin_bug+0x1d0/0x1d0 [ 574.490946][ T7688] ? net_namespace+0x12/0x40 [ 574.496152][ T7688] ? device_namespace+0x8d/0xc0 [ 574.501543][ T7688] kobject_add_internal+0x2c8/0x960 [ 574.507199][ T7688] kobject_add+0x16f/0x240 [ 574.511718][ T7688] ? kset_create_and_add+0x190/0x190 [ 574.517284][ T7688] ? do_raw_spin_unlock+0x173/0x230 [ 574.522894][ T7688] ? kobject_put+0xbe/0x440 [ 574.527425][ T7688] ? device_add+0xc35/0x1aa0 [ 574.532043][ T7688] device_add+0x289/0x1aa0 [ 574.536560][ T7688] ? device_initialize+0x510/0x510 [ 574.541948][ T7688] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 574.549026][ T7688] ? __init_waitqueue_head+0xca/0x150 [ 574.554774][ T7688] netdev_register_kobject+0x183/0x3f0 [ 574.560346][ T7688] register_netdevice+0xbdf/0x14a0 [ 574.565647][ T7688] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 574.571906][ T7688] ? team_nl_cmd_noop+0x280/0x280 [ 574.576943][ T7688] team_newlink+0x92/0x160 [ 574.581381][ T7688] ? team_nl_cmd_noop+0x280/0x280 [ 574.586414][ T7688] ? rtnl_create_link+0xa6d/0xfd0 [ 574.591548][ T7688] __rtnl_newlink+0x1173/0x1930 [ 574.596793][ T7688] ? rtnl_link_unregister+0x260/0x260 [ 574.602214][ T7688] rtnl_newlink+0x67/0xa0 [ 574.606727][ T7688] ? __rtnl_newlink+0x1930/0x1930 [ 574.611769][ T7688] rtnetlink_rcv_msg+0x3c7/0xe00 [ 574.618756][ T7688] ? rtnl_getlink+0xb40/0xb40 [ 574.623825][ T7688] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 574.630024][ T7688] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 574.636312][ T7688] netlink_rcv_skb+0x16b/0x440 [ 574.641387][ T7688] ? rtnl_getlink+0xb40/0xb40 [ 574.646350][ T7688] ? netlink_ack+0x1370/0x1370 [ 574.651879][ T7688] ? lock_sync+0x190/0x190 [ 574.656953][ T7688] ? netlink_deliver_tap+0x1a0/0xd00 [ 574.662346][ T7688] ? _copy_from_iter+0x2c1/0x10f0 [ 574.667599][ T7688] netlink_unicast+0x53b/0x810 [ 574.672677][ T7688] ? netlink_attachskb+0x880/0x880 [ 574.678625][ T7688] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 574.685262][ T7688] ? __phys_addr_symbol+0x30/0x70 [ 574.690497][ T7688] ? __check_object_size+0x323/0x730 [ 574.695844][ T7688] netlink_sendmsg+0x93c/0xe40 [ 574.700630][ T7688] ? netlink_unicast+0x810/0x810 [ 574.705678][ T7688] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 574.711146][ T7688] ? netlink_unicast+0x810/0x810 [ 574.716275][ T7688] __sock_sendmsg+0xd5/0x180 [ 574.721055][ T7688] ____sys_sendmsg+0x6ac/0x940 [ 574.727325][ T7688] ? copy_msghdr_from_user+0x10b/0x160 [ 574.733184][ T7688] ? kernel_sendmsg+0x50/0x50 [ 574.738339][ T7688] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 574.744533][ T7688] ___sys_sendmsg+0x135/0x1d0 [ 574.749352][ T7688] ? do_recvmmsg+0x740/0x740 [ 574.754002][ T7688] ? find_held_lock+0x2d/0x110 [ 574.759221][ T7688] ? preempt_count_sub+0x150/0x150 [ 574.764364][ T7688] ? __fget_light+0x1fc/0x260 [ 574.769100][ T7688] __sys_sendmsg+0x117/0x1e0 [ 574.774255][ T7688] ? __sys_sendmsg_sock+0x30/0x30 [ 574.779355][ T7688] ? syscall_enter_from_user_mode+0x26/0x80 [ 574.789036][ T7688] do_syscall_64+0x3f/0x110 [ 574.794029][ T7688] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 574.800021][ T7688] RIP: 0033:0x7f2631248c19 [ 574.804967][ T7688] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 574.826335][ T7688] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 574.835569][ T7688] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 574.843816][ T7688] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 574.851968][ T7688] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 574.860650][ T7688] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 574.869322][ T7688] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 574.877949][ T7688] [ 574.894310][ T7688] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 574.927000][ T7688] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 574.936489][ T7688] CPU: 1 PID: 7688 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 574.946588][ T7688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 574.956670][ T7688] Call Trace: [ 574.960013][ T7688] [ 574.963035][ T7688] dump_stack_lvl+0x125/0x1b0 [ 574.967771][ T7688] sysfs_warn_dup+0x7f/0xa0 [ 574.972336][ T7688] sysfs_create_dir_ns+0x247/0x2a0 [ 574.977609][ T7688] ? sysfs_create_mount_point+0xb0/0xb0 [ 574.983228][ T7688] ? spin_bug+0x1d0/0x1d0 [ 574.987602][ T7688] ? net_namespace+0x12/0x40 [ 574.993117][ T7688] ? device_namespace+0x8d/0xc0 [ 574.998032][ T7688] kobject_add_internal+0x2c8/0x960 [ 575.003286][ T7688] kobject_add+0x16f/0x240 [ 575.007764][ T7688] ? kset_create_and_add+0x190/0x190 [ 575.013103][ T7688] ? do_raw_spin_unlock+0x173/0x230 [ 575.018536][ T7688] ? kobject_put+0xbe/0x440 [ 575.023203][ T7688] ? device_add+0xc35/0x1aa0 [ 575.027968][ T7688] device_add+0x289/0x1aa0 [ 575.032746][ T7688] ? device_initialize+0x510/0x510 [ 575.038107][ T7688] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 575.045714][ T7688] ? __init_waitqueue_head+0xca/0x150 [ 575.051532][ T7688] netdev_register_kobject+0x183/0x3f0 [ 575.057234][ T7688] register_netdevice+0xbdf/0x14a0 [ 575.062755][ T7688] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 575.068679][ T7688] ? validate_linkmsg+0x6fc/0x9c0 [ 575.073841][ T7688] ? rtnl_create_link+0xa6d/0xfd0 [ 575.078921][ T7688] ? batadv_get_sset_count+0x40/0x40 [ 575.085126][ T7688] batadv_softif_newlink+0x70/0x90 [ 575.091000][ T7688] __rtnl_newlink+0x1173/0x1930 [ 575.096582][ T7688] ? rtnl_link_unregister+0x260/0x260 [ 575.102382][ T7688] rtnl_newlink+0x67/0xa0 [ 575.107282][ T7688] ? __rtnl_newlink+0x1930/0x1930 [ 575.113322][ T7688] rtnetlink_rcv_msg+0x3c7/0xe00 [ 575.118574][ T7688] ? rtnl_getlink+0xb40/0xb40 [ 575.123565][ T7688] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 575.130622][ T7688] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 575.137044][ T7688] netlink_rcv_skb+0x16b/0x440 [ 575.142112][ T7688] ? rtnl_getlink+0xb40/0xb40 [ 575.147015][ T7688] ? netlink_ack+0x1370/0x1370 [ 575.151920][ T7688] ? lock_sync+0x190/0x190 [ 575.156564][ T7688] ? netlink_deliver_tap+0x1a0/0xd00 [ 575.161888][ T7688] ? _copy_from_iter+0x2c1/0x10f0 [ 575.167657][ T7688] netlink_unicast+0x53b/0x810 [ 575.172816][ T7688] ? netlink_attachskb+0x880/0x880 [ 575.178090][ T7688] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 575.184461][ T7688] ? __phys_addr_symbol+0x30/0x70 [ 575.189520][ T7688] ? __check_object_size+0x323/0x730 [ 575.195110][ T7688] netlink_sendmsg+0x93c/0xe40 [ 575.199957][ T7688] ? netlink_unicast+0x810/0x810 [ 575.205028][ T7688] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 575.210441][ T7688] ? netlink_unicast+0x810/0x810 [ 575.215739][ T7688] __sock_sendmsg+0xd5/0x180 [ 575.220668][ T7688] ____sys_sendmsg+0x6ac/0x940 [ 575.226010][ T7688] ? copy_msghdr_from_user+0x10b/0x160 [ 575.232289][ T7688] ? kernel_sendmsg+0x50/0x50 [ 575.237088][ T7688] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 575.243555][ T7688] ___sys_sendmsg+0x135/0x1d0 [ 575.248523][ T7688] ? do_recvmmsg+0x740/0x740 [ 575.253140][ T7688] ? find_held_lock+0x2d/0x110 [ 575.257951][ T7688] ? preempt_count_sub+0x150/0x150 [ 575.263196][ T7688] ? __fget_light+0x1fc/0x260 [ 575.268260][ T7688] __sys_sendmsg+0x117/0x1e0 [ 575.273330][ T7688] ? __sys_sendmsg_sock+0x30/0x30 [ 575.278675][ T7688] ? syscall_enter_from_user_mode+0x26/0x80 [ 575.284864][ T7688] do_syscall_64+0x3f/0x110 [ 575.289501][ T7688] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 575.295600][ T7688] RIP: 0033:0x7f2631248c19 [ 575.300301][ T7688] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 575.320474][ T7688] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 575.328927][ T7688] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 575.336929][ T7688] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 575.344920][ T7688] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 575.353696][ T7688] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 575.361803][ T7688] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 575.370383][ T7688] [ 575.389047][ T7688] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 575.441752][ T7689] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 575.453543][ T7689] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 575.463712][ T7689] CPU: 1 PID: 7689 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 575.473901][ T7689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 575.484148][ T7689] Call Trace: [ 575.487446][ T7689] [ 575.490577][ T7689] dump_stack_lvl+0x125/0x1b0 [ 575.495373][ T7689] sysfs_warn_dup+0x7f/0xa0 [ 575.499989][ T7689] sysfs_create_dir_ns+0x247/0x2a0 [ 575.505330][ T7689] ? sysfs_create_mount_point+0xb0/0xb0 [ 575.510893][ T7689] ? spin_bug+0x1d0/0x1d0 [ 575.515267][ T7689] ? net_namespace+0x12/0x40 [ 575.519861][ T7689] ? device_namespace+0x8d/0xc0 [ 575.524730][ T7689] kobject_add_internal+0x2c8/0x960 [ 575.530058][ T7689] kobject_add+0x16f/0x240 [ 575.534589][ T7689] ? kset_create_and_add+0x190/0x190 [ 575.540162][ T7689] ? do_raw_spin_unlock+0x173/0x230 [ 575.545550][ T7689] ? kobject_put+0xbe/0x440 [ 575.550157][ T7689] ? device_add+0xc35/0x1aa0 [ 575.554759][ T7689] device_add+0x289/0x1aa0 [ 575.559370][ T7689] ? device_initialize+0x510/0x510 [ 575.564512][ T7689] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 575.571816][ T7689] ? __init_waitqueue_head+0xca/0x150 [ 575.577356][ T7689] netdev_register_kobject+0x183/0x3f0 [ 575.583064][ T7689] register_netdevice+0xbdf/0x14a0 [ 575.588199][ T7689] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 575.594461][ T7689] ? team_nl_cmd_noop+0x280/0x280 [ 575.600194][ T7689] team_newlink+0x92/0x160 [ 575.604810][ T7689] ? team_nl_cmd_noop+0x280/0x280 [ 575.610287][ T7689] ? rtnl_create_link+0xa6d/0xfd0 [ 575.615519][ T7689] __rtnl_newlink+0x1173/0x1930 [ 575.620924][ T7689] ? rtnl_link_unregister+0x260/0x260 [ 575.626508][ T7689] rtnl_newlink+0x67/0xa0 [ 575.630931][ T7689] ? __rtnl_newlink+0x1930/0x1930 [ 575.636159][ T7689] rtnetlink_rcv_msg+0x3c7/0xe00 [ 575.641463][ T7689] ? rtnl_getlink+0xb40/0xb40 [ 575.647296][ T7689] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 575.653558][ T7689] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 575.660179][ T7689] netlink_rcv_skb+0x16b/0x440 [ 575.666209][ T7689] ? rtnl_getlink+0xb40/0xb40 [ 575.671210][ T7689] ? netlink_ack+0x1370/0x1370 [ 575.676271][ T7689] ? lock_sync+0x190/0x190 [ 575.681371][ T7689] ? netlink_deliver_tap+0x1a0/0xd00 [ 575.687043][ T7689] ? _copy_from_iter+0x2c1/0x10f0 [ 575.692264][ T7689] netlink_unicast+0x53b/0x810 [ 575.698121][ T7689] ? netlink_attachskb+0x880/0x880 [ 575.703359][ T7689] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 575.709275][ T7689] ? __phys_addr_symbol+0x30/0x70 [ 575.714320][ T7689] ? __check_object_size+0x323/0x730 [ 575.720288][ T7689] netlink_sendmsg+0x93c/0xe40 [ 575.725096][ T7689] ? netlink_unicast+0x810/0x810 [ 575.730062][ T7689] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 575.735362][ T7689] ? netlink_unicast+0x810/0x810 [ 575.740398][ T7689] __sock_sendmsg+0xd5/0x180 [ 575.745049][ T7689] ____sys_sendmsg+0x6ac/0x940 [ 575.750192][ T7689] ? copy_msghdr_from_user+0x10b/0x160 [ 575.755704][ T7689] ? kernel_sendmsg+0x50/0x50 [ 575.760593][ T7689] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 575.766809][ T7689] ___sys_sendmsg+0x135/0x1d0 [ 575.771784][ T7689] ? do_recvmmsg+0x740/0x740 [ 575.776473][ T7689] ? find_held_lock+0x2d/0x110 [ 575.781347][ T7689] ? preempt_count_sub+0x150/0x150 [ 575.786499][ T7689] ? __fget_light+0x1fc/0x260 [ 575.791391][ T7689] __sys_sendmsg+0x117/0x1e0 [ 575.796029][ T7689] ? __sys_sendmsg_sock+0x30/0x30 [ 575.801709][ T7689] ? syscall_enter_from_user_mode+0x26/0x80 [ 575.807971][ T7689] do_syscall_64+0x3f/0x110 [ 575.812681][ T7689] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 575.818587][ T7689] RIP: 0033:0x7f2631248c19 [ 575.823217][ T7689] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 575.843356][ T7689] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 575.851949][ T7689] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 575.860367][ T7689] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 575.868701][ T7689] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 575.876761][ T7689] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 575.884822][ T7689] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 575.892915][ T7689] [ 575.907799][ T7689] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 575.936832][ T7689] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 575.946660][ T7689] CPU: 1 PID: 7689 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 575.957021][ T7689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 575.967813][ T7689] Call Trace: [ 575.971198][ T7689] [ 575.974668][ T7689] dump_stack_lvl+0x125/0x1b0 [ 575.979566][ T7689] sysfs_warn_dup+0x7f/0xa0 [ 575.984493][ T7689] sysfs_create_dir_ns+0x247/0x2a0 [ 575.989821][ T7689] ? sysfs_create_mount_point+0xb0/0xb0 [ 575.995671][ T7689] ? spin_bug+0x1d0/0x1d0 [ 576.000216][ T7689] ? net_namespace+0x12/0x40 [ 576.005097][ T7689] ? device_namespace+0x8d/0xc0 [ 576.010334][ T7689] kobject_add_internal+0x2c8/0x960 [ 576.015610][ T7689] kobject_add+0x16f/0x240 [ 576.020061][ T7689] ? kset_create_and_add+0x190/0x190 [ 576.025488][ T7689] ? do_raw_spin_unlock+0x173/0x230 [ 576.030907][ T7689] ? kobject_put+0xbe/0x440 [ 576.035776][ T7689] ? device_add+0xc35/0x1aa0 [ 576.040502][ T7689] device_add+0x289/0x1aa0 [ 576.045124][ T7689] ? device_initialize+0x510/0x510 [ 576.050451][ T7689] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 576.057517][ T7689] ? __init_waitqueue_head+0xca/0x150 [ 576.063034][ T7689] netdev_register_kobject+0x183/0x3f0 [ 576.068854][ T7689] register_netdevice+0xbdf/0x14a0 [ 576.074088][ T7689] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 576.080217][ T7689] ? validate_linkmsg+0x6fc/0x9c0 [ 576.085477][ T7689] ? rtnl_create_link+0xa6d/0xfd0 [ 576.090544][ T7689] ? batadv_get_sset_count+0x40/0x40 [ 576.096653][ T7689] batadv_softif_newlink+0x70/0x90 [ 576.102160][ T7689] __rtnl_newlink+0x1173/0x1930 [ 576.107244][ T7689] ? rtnl_link_unregister+0x260/0x260 [ 576.113293][ T7689] rtnl_newlink+0x67/0xa0 [ 576.117662][ T7689] ? __rtnl_newlink+0x1930/0x1930 [ 576.122981][ T7689] rtnetlink_rcv_msg+0x3c7/0xe00 [ 576.128043][ T7689] ? rtnl_getlink+0xb40/0xb40 [ 576.132747][ T7689] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 576.138789][ T7689] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 576.144915][ T7689] netlink_rcv_skb+0x16b/0x440 [ 576.149716][ T7689] ? rtnl_getlink+0xb40/0xb40 [ 576.154508][ T7689] ? netlink_ack+0x1370/0x1370 [ 576.159303][ T7689] ? lock_sync+0x190/0x190 [ 576.163917][ T7689] ? netlink_deliver_tap+0x1a0/0xd00 [ 576.169242][ T7689] ? _copy_from_iter+0x2c1/0x10f0 [ 576.174341][ T7689] netlink_unicast+0x53b/0x810 [ 576.179152][ T7689] ? netlink_attachskb+0x880/0x880 [ 576.184490][ T7689] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 576.190824][ T7689] ? __phys_addr_symbol+0x30/0x70 [ 576.196103][ T7689] ? __check_object_size+0x323/0x730 [ 576.201717][ T7689] netlink_sendmsg+0x93c/0xe40 [ 576.206625][ T7689] ? netlink_unicast+0x810/0x810 [ 576.211686][ T7689] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 576.217285][ T7689] ? netlink_unicast+0x810/0x810 [ 576.222255][ T7689] __sock_sendmsg+0xd5/0x180 [ 576.226981][ T7689] ____sys_sendmsg+0x6ac/0x940 [ 576.232053][ T7689] ? copy_msghdr_from_user+0x10b/0x160 [ 576.237667][ T7689] ? kernel_sendmsg+0x50/0x50 [ 576.242744][ T7689] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 576.248860][ T7689] ___sys_sendmsg+0x135/0x1d0 [ 576.253761][ T7689] ? do_recvmmsg+0x740/0x740 [ 576.260304][ T7689] ? find_held_lock+0x2d/0x110 [ 576.265413][ T7689] ? preempt_count_sub+0x150/0x150 [ 576.271055][ T7689] ? __fget_light+0x1fc/0x260 [ 576.275957][ T7689] __sys_sendmsg+0x117/0x1e0 [ 576.280926][ T7689] ? __sys_sendmsg_sock+0x30/0x30 [ 576.286367][ T7689] ? syscall_enter_from_user_mode+0x26/0x80 [ 576.292511][ T7689] do_syscall_64+0x3f/0x110 [ 576.297234][ T7689] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 576.303519][ T7689] RIP: 0033:0x7f2631248c19 [ 576.308090][ T7689] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 576.328436][ T7689] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 576.337356][ T7689] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 576.345971][ T7689] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 576.354226][ T7689] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 576.362658][ T7689] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 576.371094][ T7689] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 576.379180][ T7689] [ 576.384914][ T7689] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 576.451746][ T7690] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 576.463272][ T7690] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 576.473019][ T7690] CPU: 1 PID: 7690 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 576.483387][ T7690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 576.493918][ T7690] Call Trace: [ 576.497572][ T7690] [ 576.500518][ T7690] dump_stack_lvl+0x125/0x1b0 [ 576.505406][ T7690] sysfs_warn_dup+0x7f/0xa0 [ 576.510053][ T7690] sysfs_create_dir_ns+0x247/0x2a0 [ 576.515228][ T7690] ? sysfs_create_mount_point+0xb0/0xb0 [ 576.520838][ T7690] ? spin_bug+0x1d0/0x1d0 [ 576.525406][ T7690] ? net_namespace+0x12/0x40 [ 576.530244][ T7690] ? device_namespace+0x8d/0xc0 [ 576.535408][ T7690] kobject_add_internal+0x2c8/0x960 [ 576.540874][ T7690] kobject_add+0x16f/0x240 [ 576.545440][ T7690] ? kset_create_and_add+0x190/0x190 [ 576.550771][ T7690] ? do_raw_spin_unlock+0x173/0x230 [ 576.556289][ T7690] ? kobject_put+0xbe/0x440 [ 576.560918][ T7690] ? device_add+0xc35/0x1aa0 [ 576.565787][ T7690] device_add+0x289/0x1aa0 [ 576.570325][ T7690] ? device_initialize+0x510/0x510 [ 576.576798][ T7690] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 576.583781][ T7690] ? __init_waitqueue_head+0xca/0x150 [ 576.589569][ T7690] netdev_register_kobject+0x183/0x3f0 [ 576.595341][ T7690] register_netdevice+0xbdf/0x14a0 [ 576.600942][ T7690] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 576.606887][ T7690] ? team_nl_cmd_noop+0x280/0x280 [ 576.611995][ T7690] team_newlink+0x92/0x160 [ 576.616571][ T7690] ? team_nl_cmd_noop+0x280/0x280 [ 576.621630][ T7690] ? rtnl_create_link+0xa6d/0xfd0 [ 576.627432][ T7690] __rtnl_newlink+0x1173/0x1930 [ 576.633428][ T7690] ? rtnl_link_unregister+0x260/0x260 [ 576.639056][ T7690] rtnl_newlink+0x67/0xa0 [ 576.643452][ T7690] ? __rtnl_newlink+0x1930/0x1930 [ 576.648774][ T7690] rtnetlink_rcv_msg+0x3c7/0xe00 [ 576.654104][ T7690] ? rtnl_getlink+0xb40/0xb40 [ 576.658998][ T7690] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 576.665203][ T7690] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 576.671250][ T7690] netlink_rcv_skb+0x16b/0x440 [ 576.676134][ T7690] ? rtnl_getlink+0xb40/0xb40 [ 576.681372][ T7690] ? netlink_ack+0x1370/0x1370 [ 576.686163][ T7690] ? lock_sync+0x190/0x190 [ 576.690805][ T7690] ? netlink_deliver_tap+0x1a0/0xd00 [ 576.696217][ T7690] ? _copy_from_iter+0x2c1/0x10f0 [ 576.701661][ T7690] netlink_unicast+0x53b/0x810 [ 576.706835][ T7690] ? netlink_attachskb+0x880/0x880 [ 576.712064][ T7690] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 576.718162][ T7690] ? __phys_addr_symbol+0x30/0x70 [ 576.723225][ T7690] ? __check_object_size+0x323/0x730 [ 576.728739][ T7690] netlink_sendmsg+0x93c/0xe40 [ 576.733828][ T7690] ? netlink_unicast+0x810/0x810 [ 576.738814][ T7690] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 576.744314][ T7690] ? netlink_unicast+0x810/0x810 [ 576.749288][ T7690] __sock_sendmsg+0xd5/0x180 [ 576.753902][ T7690] ____sys_sendmsg+0x6ac/0x940 [ 576.758808][ T7690] ? copy_msghdr_from_user+0x10b/0x160 [ 576.764314][ T7690] ? kernel_sendmsg+0x50/0x50 [ 576.769369][ T7690] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 576.776181][ T7690] ___sys_sendmsg+0x135/0x1d0 [ 576.781073][ T7690] ? do_recvmmsg+0x740/0x740 [ 576.785779][ T7690] ? find_held_lock+0x2d/0x110 [ 576.790767][ T7690] ? preempt_count_sub+0x150/0x150 [ 576.796342][ T7690] ? __fget_light+0x1fc/0x260 [ 576.801241][ T7690] __sys_sendmsg+0x117/0x1e0 [ 576.806737][ T7690] ? __sys_sendmsg_sock+0x30/0x30 [ 576.812070][ T7690] ? syscall_enter_from_user_mode+0x26/0x80 [ 576.818348][ T7690] do_syscall_64+0x3f/0x110 [ 576.823427][ T7690] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 576.829563][ T7690] RIP: 0033:0x7f2631248c19 [ 576.834361][ T7690] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 576.854699][ T7690] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 576.863332][ T7690] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 576.871698][ T7690] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 576.879707][ T7690] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 576.887878][ T7690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 576.896057][ T7690] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 576.904439][ T7690] [ 576.910541][ T7690] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 576.954643][ T7690] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 576.964736][ T7690] CPU: 1 PID: 7690 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 576.974939][ T7690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 576.986966][ T7690] Call Trace: [ 576.990440][ T7690] [ 576.993564][ T7690] dump_stack_lvl+0x125/0x1b0 [ 576.998388][ T7690] sysfs_warn_dup+0x7f/0xa0 [ 577.003121][ T7690] sysfs_create_dir_ns+0x247/0x2a0 [ 577.008554][ T7690] ? sysfs_create_mount_point+0xb0/0xb0 [ 577.014327][ T7690] ? spin_bug+0x1d0/0x1d0 [ 577.018699][ T7690] ? net_namespace+0x12/0x40 [ 577.023445][ T7690] ? device_namespace+0x8d/0xc0 [ 577.028641][ T7690] kobject_add_internal+0x2c8/0x960 [ 577.034198][ T7690] kobject_add+0x16f/0x240 [ 577.038672][ T7690] ? kset_create_and_add+0x190/0x190 [ 577.044342][ T7690] ? do_raw_spin_unlock+0x173/0x230 [ 577.049750][ T7690] ? kobject_put+0xbe/0x440 [ 577.054295][ T7690] ? device_add+0xc35/0x1aa0 [ 577.059005][ T7690] device_add+0x289/0x1aa0 [ 577.063453][ T7690] ? device_initialize+0x510/0x510 [ 577.068599][ T7690] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 577.075482][ T7690] ? __init_waitqueue_head+0xca/0x150 [ 577.080895][ T7690] netdev_register_kobject+0x183/0x3f0 [ 577.086581][ T7690] register_netdevice+0xbdf/0x14a0 [ 577.091813][ T7690] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 577.097829][ T7690] ? validate_linkmsg+0x6fc/0x9c0 [ 577.102900][ T7690] ? rtnl_create_link+0xa6d/0xfd0 [ 577.107963][ T7690] ? batadv_get_sset_count+0x40/0x40 [ 577.113566][ T7690] batadv_softif_newlink+0x70/0x90 [ 577.118721][ T7690] __rtnl_newlink+0x1173/0x1930 [ 577.124092][ T7690] ? rtnl_link_unregister+0x260/0x260 [ 577.130133][ T7690] rtnl_newlink+0x67/0xa0 [ 577.134529][ T7690] ? __rtnl_newlink+0x1930/0x1930 [ 577.140118][ T7690] rtnetlink_rcv_msg+0x3c7/0xe00 [ 577.145798][ T7690] ? rtnl_getlink+0xb40/0xb40 [ 577.150684][ T7690] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 577.157133][ T7690] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 577.163340][ T7690] netlink_rcv_skb+0x16b/0x440 [ 577.168833][ T7690] ? rtnl_getlink+0xb40/0xb40 [ 577.173541][ T7690] ? netlink_ack+0x1370/0x1370 [ 577.178627][ T7690] ? lock_sync+0x190/0x190 [ 577.183296][ T7690] ? netlink_deliver_tap+0x1a0/0xd00 [ 577.189042][ T7690] ? _copy_from_iter+0x2c1/0x10f0 [ 577.194225][ T7690] netlink_unicast+0x53b/0x810 [ 577.199315][ T7690] ? netlink_attachskb+0x880/0x880 [ 577.204471][ T7690] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 577.210927][ T7690] ? __phys_addr_symbol+0x30/0x70 [ 577.216259][ T7690] ? __check_object_size+0x323/0x730 [ 577.221686][ T7690] netlink_sendmsg+0x93c/0xe40 [ 577.226493][ T7690] ? netlink_unicast+0x810/0x810 [ 577.231474][ T7690] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 577.237233][ T7690] ? netlink_unicast+0x810/0x810 [ 577.242724][ T7690] __sock_sendmsg+0xd5/0x180 [ 577.247963][ T7690] ____sys_sendmsg+0x6ac/0x940 [ 577.252809][ T7690] ? copy_msghdr_from_user+0x10b/0x160 [ 577.258837][ T7690] ? kernel_sendmsg+0x50/0x50 [ 577.263571][ T7690] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 577.269781][ T7690] ___sys_sendmsg+0x135/0x1d0 [ 577.274588][ T7690] ? do_recvmmsg+0x740/0x740 [ 577.279570][ T7690] ? find_held_lock+0x2d/0x110 [ 577.284769][ T7690] ? preempt_count_sub+0x150/0x150 [ 577.290187][ T7690] ? __fget_light+0x1fc/0x260 [ 577.295074][ T7690] __sys_sendmsg+0x117/0x1e0 [ 577.299700][ T7690] ? __sys_sendmsg_sock+0x30/0x30 [ 577.304879][ T7690] ? syscall_enter_from_user_mode+0x26/0x80 [ 577.310988][ T7690] do_syscall_64+0x3f/0x110 [ 577.315625][ T7690] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 577.321639][ T7690] RIP: 0033:0x7f2631248c19 [ 577.326162][ T7690] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 577.346501][ T7690] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 577.355436][ T7690] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 577.363701][ T7690] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 577.373098][ T7690] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 577.381140][ T7690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 577.389223][ T7690] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 577.397769][ T7690] [ 577.403770][ T7690] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 577.475114][ T7691] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 577.487433][ T7691] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 577.497041][ T7691] CPU: 1 PID: 7691 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 577.507545][ T7691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 577.518156][ T7691] Call Trace: [ 577.521724][ T7691] [ 577.524683][ T7691] dump_stack_lvl+0x125/0x1b0 [ 577.529406][ T7691] sysfs_warn_dup+0x7f/0xa0 [ 577.534036][ T7691] sysfs_create_dir_ns+0x247/0x2a0 [ 577.539203][ T7691] ? sysfs_create_mount_point+0xb0/0xb0 [ 577.544955][ T7691] ? spin_bug+0x1d0/0x1d0 [ 577.549328][ T7691] ? net_namespace+0x12/0x40 [ 577.553940][ T7691] ? device_namespace+0x8d/0xc0 [ 577.558825][ T7691] kobject_add_internal+0x2c8/0x960 [ 577.564062][ T7691] kobject_add+0x16f/0x240 [ 577.568512][ T7691] ? kset_create_and_add+0x190/0x190 [ 577.573989][ T7691] ? do_raw_spin_unlock+0x173/0x230 [ 577.579581][ T7691] ? kobject_put+0xbe/0x440 [ 577.584128][ T7691] ? device_add+0xc35/0x1aa0 [ 577.588847][ T7691] device_add+0x289/0x1aa0 [ 577.593763][ T7691] ? device_initialize+0x510/0x510 [ 577.599307][ T7691] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 577.606548][ T7691] ? __init_waitqueue_head+0xca/0x150 [ 577.611965][ T7691] netdev_register_kobject+0x183/0x3f0 [ 577.617473][ T7691] register_netdevice+0xbdf/0x14a0 [ 577.623006][ T7691] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 577.629226][ T7691] ? team_nl_cmd_noop+0x280/0x280 [ 577.634539][ T7691] team_newlink+0x92/0x160 [ 577.640434][ T7691] ? team_nl_cmd_noop+0x280/0x280 [ 577.645687][ T7691] ? rtnl_create_link+0xa6d/0xfd0 [ 577.650947][ T7691] __rtnl_newlink+0x1173/0x1930 [ 577.661839][ T7691] ? rtnl_link_unregister+0x260/0x260 [ 577.667448][ T7691] rtnl_newlink+0x67/0xa0 [ 577.672255][ T7691] ? __rtnl_newlink+0x1930/0x1930 [ 577.677651][ T7691] rtnetlink_rcv_msg+0x3c7/0xe00 [ 577.682801][ T7691] ? rtnl_getlink+0xb40/0xb40 [ 577.687674][ T7691] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 577.693953][ T7691] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 577.700078][ T7691] netlink_rcv_skb+0x16b/0x440 [ 577.705234][ T7691] ? rtnl_getlink+0xb40/0xb40 [ 577.710110][ T7691] ? netlink_ack+0x1370/0x1370 [ 577.715080][ T7691] ? lock_sync+0x190/0x190 [ 577.719719][ T7691] ? netlink_deliver_tap+0x1a0/0xd00 [ 577.725379][ T7691] ? _copy_from_iter+0x2c1/0x10f0 [ 577.730704][ T7691] netlink_unicast+0x53b/0x810 [ 577.735591][ T7691] ? netlink_attachskb+0x880/0x880 [ 577.740741][ T7691] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 577.746839][ T7691] ? __phys_addr_symbol+0x30/0x70 [ 577.752167][ T7691] ? __check_object_size+0x323/0x730 [ 577.757673][ T7691] netlink_sendmsg+0x93c/0xe40 [ 577.762647][ T7691] ? netlink_unicast+0x810/0x810 [ 577.767708][ T7691] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 577.773051][ T7691] ? netlink_unicast+0x810/0x810 [ 577.778022][ T7691] __sock_sendmsg+0xd5/0x180 [ 577.782635][ T7691] ____sys_sendmsg+0x6ac/0x940 [ 577.787435][ T7691] ? copy_msghdr_from_user+0x10b/0x160 [ 577.793276][ T7691] ? kernel_sendmsg+0x50/0x50 [ 577.798433][ T7691] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 577.804588][ T7691] ___sys_sendmsg+0x135/0x1d0 [ 577.809302][ T7691] ? do_recvmmsg+0x740/0x740 [ 577.814091][ T7691] ? find_held_lock+0x2d/0x110 [ 577.818990][ T7691] ? preempt_count_sub+0x150/0x150 [ 577.824495][ T7691] ? __fget_light+0x1fc/0x260 [ 577.829306][ T7691] __sys_sendmsg+0x117/0x1e0 [ 577.834027][ T7691] ? __sys_sendmsg_sock+0x30/0x30 [ 577.839098][ T7691] ? syscall_enter_from_user_mode+0x26/0x80 [ 577.845022][ T7691] do_syscall_64+0x3f/0x110 [ 577.849741][ T7691] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 577.856355][ T7691] RIP: 0033:0x7f2631248c19 [ 577.860790][ T7691] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 577.880948][ T7691] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 577.889769][ T7691] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 577.898114][ T7691] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 577.906722][ T7691] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 577.914888][ T7691] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 577.922887][ T7691] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 577.931087][ T7691] [ 577.937701][ T7691] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 577.977092][ T7691] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 577.986714][ T7691] CPU: 1 PID: 7691 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 577.998918][ T7691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 578.009355][ T7691] Call Trace: [ 578.012677][ T7691] [ 578.015822][ T7691] dump_stack_lvl+0x125/0x1b0 [ 578.020729][ T7691] sysfs_warn_dup+0x7f/0xa0 [ 578.025440][ T7691] sysfs_create_dir_ns+0x247/0x2a0 [ 578.032381][ T7691] ? sysfs_create_mount_point+0xb0/0xb0 [ 578.038188][ T7691] ? spin_bug+0x1d0/0x1d0 [ 578.042998][ T7691] ? net_namespace+0x12/0x40 [ 578.047634][ T7691] ? device_namespace+0x8d/0xc0 [ 578.052712][ T7691] kobject_add_internal+0x2c8/0x960 [ 578.058072][ T7691] kobject_add+0x16f/0x240 [ 578.062554][ T7691] ? kset_create_and_add+0x190/0x190 [ 578.067979][ T7691] ? do_raw_spin_unlock+0x173/0x230 [ 578.073311][ T7691] ? kobject_put+0xbe/0x440 [ 578.078139][ T7691] ? device_add+0xc35/0x1aa0 [ 578.083379][ T7691] device_add+0x289/0x1aa0 [ 578.087823][ T7691] ? device_initialize+0x510/0x510 [ 578.093147][ T7691] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 578.100382][ T7691] ? __init_waitqueue_head+0xca/0x150 [ 578.106053][ T7691] netdev_register_kobject+0x183/0x3f0 [ 578.111743][ T7691] register_netdevice+0xbdf/0x14a0 [ 578.117358][ T7691] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 578.123583][ T7691] ? validate_linkmsg+0x6fc/0x9c0 [ 578.128924][ T7691] ? rtnl_create_link+0xa6d/0xfd0 [ 578.134362][ T7691] ? batadv_get_sset_count+0x40/0x40 [ 578.140100][ T7691] batadv_softif_newlink+0x70/0x90 [ 578.145430][ T7691] __rtnl_newlink+0x1173/0x1930 [ 578.150429][ T7691] ? rtnl_link_unregister+0x260/0x260 [ 578.155982][ T7691] rtnl_newlink+0x67/0xa0 [ 578.160446][ T7691] ? __rtnl_newlink+0x1930/0x1930 [ 578.165757][ T7691] rtnetlink_rcv_msg+0x3c7/0xe00 [ 578.170727][ T7691] ? rtnl_getlink+0xb40/0xb40 [ 578.175432][ T7691] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 578.181557][ T7691] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 578.187772][ T7691] netlink_rcv_skb+0x16b/0x440 [ 578.192580][ T7691] ? rtnl_getlink+0xb40/0xb40 [ 578.197577][ T7691] ? netlink_ack+0x1370/0x1370 [ 578.202373][ T7691] ? lock_sync+0x190/0x190 [ 578.206847][ T7691] ? netlink_deliver_tap+0x1a0/0xd00 [ 578.213037][ T7691] ? _copy_from_iter+0x2c1/0x10f0 [ 578.218212][ T7691] netlink_unicast+0x53b/0x810 [ 578.223124][ T7691] ? netlink_attachskb+0x880/0x880 [ 578.228750][ T7691] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 578.234692][ T7691] ? __phys_addr_symbol+0x30/0x70 [ 578.239769][ T7691] ? __check_object_size+0x323/0x730 [ 578.245188][ T7691] netlink_sendmsg+0x93c/0xe40 [ 578.250000][ T7691] ? netlink_unicast+0x810/0x810 [ 578.255355][ T7691] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 578.260680][ T7691] ? netlink_unicast+0x810/0x810 [ 578.265923][ T7691] __sock_sendmsg+0xd5/0x180 [ 578.270807][ T7691] ____sys_sendmsg+0x6ac/0x940 [ 578.275681][ T7691] ? copy_msghdr_from_user+0x10b/0x160 [ 578.281260][ T7691] ? kernel_sendmsg+0x50/0x50 [ 578.286316][ T7691] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 578.292792][ T7691] ___sys_sendmsg+0x135/0x1d0 [ 578.297799][ T7691] ? do_recvmmsg+0x740/0x740 [ 578.302849][ T7691] ? find_held_lock+0x2d/0x110 [ 578.307769][ T7691] ? preempt_count_sub+0x150/0x150 [ 578.312949][ T7691] ? __fget_light+0x1fc/0x260 [ 578.317847][ T7691] __sys_sendmsg+0x117/0x1e0 [ 578.322651][ T7691] ? __sys_sendmsg_sock+0x30/0x30 [ 578.328101][ T7691] ? syscall_enter_from_user_mode+0x26/0x80 [ 578.334233][ T7691] do_syscall_64+0x3f/0x110 [ 578.338899][ T7691] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 578.345061][ T7691] RIP: 0033:0x7f2631248c19 [ 578.349671][ T7691] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 578.370276][ T7691] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 578.378999][ T7691] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 578.387014][ T7691] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 578.395111][ T7691] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 578.403622][ T7691] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 578.412442][ T7691] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 578.420926][ T7691] [ 578.428108][ T7691] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 578.488830][ T7692] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 578.501784][ T7692] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 578.512322][ T7692] CPU: 1 PID: 7692 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 578.522435][ T7692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 578.532868][ T7692] Call Trace: [ 578.536173][ T7692] [ 578.539218][ T7692] dump_stack_lvl+0x125/0x1b0 [ 578.544284][ T7692] sysfs_warn_dup+0x7f/0xa0 [ 578.548915][ T7692] sysfs_create_dir_ns+0x247/0x2a0 [ 578.554157][ T7692] ? sysfs_create_mount_point+0xb0/0xb0 [ 578.559931][ T7692] ? spin_bug+0x1d0/0x1d0 [ 578.564417][ T7692] ? net_namespace+0x12/0x40 [ 578.569293][ T7692] ? device_namespace+0x8d/0xc0 [ 578.574454][ T7692] kobject_add_internal+0x2c8/0x960 [ 578.579874][ T7692] kobject_add+0x16f/0x240 [ 578.584329][ T7692] ? kset_create_and_add+0x190/0x190 [ 578.589832][ T7692] ? do_raw_spin_unlock+0x173/0x230 [ 578.595167][ T7692] ? kobject_put+0xbe/0x440 [ 578.599898][ T7692] ? device_add+0xc35/0x1aa0 [ 578.604701][ T7692] device_add+0x289/0x1aa0 [ 578.609245][ T7692] ? device_initialize+0x510/0x510 [ 578.614479][ T7692] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 578.621920][ T7692] ? __init_waitqueue_head+0xca/0x150 [ 578.627703][ T7692] netdev_register_kobject+0x183/0x3f0 [ 578.633294][ T7692] register_netdevice+0xbdf/0x14a0 [ 578.638534][ T7692] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 578.644570][ T7692] ? team_nl_cmd_noop+0x280/0x280 [ 578.649814][ T7692] team_newlink+0x92/0x160 [ 578.654561][ T7692] ? team_nl_cmd_noop+0x280/0x280 [ 578.659716][ T7692] ? rtnl_create_link+0xa6d/0xfd0 [ 578.665157][ T7692] __rtnl_newlink+0x1173/0x1930 [ 578.670420][ T7692] ? rtnl_link_unregister+0x260/0x260 [ 578.676205][ T7692] rtnl_newlink+0x67/0xa0 [ 578.680741][ T7692] ? __rtnl_newlink+0x1930/0x1930 [ 578.685879][ T7692] rtnetlink_rcv_msg+0x3c7/0xe00 [ 578.691318][ T7692] ? rtnl_getlink+0xb40/0xb40 [ 578.696129][ T7692] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 578.702155][ T7692] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 578.708387][ T7692] netlink_rcv_skb+0x16b/0x440 [ 578.713193][ T7692] ? rtnl_getlink+0xb40/0xb40 [ 578.717991][ T7692] ? netlink_ack+0x1370/0x1370 [ 578.722879][ T7692] ? lock_sync+0x190/0x190 [ 578.727360][ T7692] ? netlink_deliver_tap+0x1a0/0xd00 [ 578.732949][ T7692] ? _copy_from_iter+0x2c1/0x10f0 [ 578.738465][ T7692] netlink_unicast+0x53b/0x810 [ 578.743537][ T7692] ? netlink_attachskb+0x880/0x880 [ 578.749646][ T7692] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 578.755767][ T7692] ? __phys_addr_symbol+0x30/0x70 [ 578.761173][ T7692] ? __check_object_size+0x323/0x730 [ 578.766514][ T7692] netlink_sendmsg+0x93c/0xe40 [ 578.771580][ T7692] ? netlink_unicast+0x810/0x810 [ 578.776617][ T7692] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 578.782128][ T7692] ? netlink_unicast+0x810/0x810 [ 578.787194][ T7692] __sock_sendmsg+0xd5/0x180 [ 578.792015][ T7692] ____sys_sendmsg+0x6ac/0x940 [ 578.796808][ T7692] ? copy_msghdr_from_user+0x10b/0x160 [ 578.802386][ T7692] ? kernel_sendmsg+0x50/0x50 [ 578.807183][ T7692] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 578.813387][ T7692] ___sys_sendmsg+0x135/0x1d0 [ 578.818101][ T7692] ? do_recvmmsg+0x740/0x740 [ 578.822720][ T7692] ? find_held_lock+0x2d/0x110 [ 578.827529][ T7692] ? preempt_count_sub+0x150/0x150 [ 578.832692][ T7692] ? __fget_light+0x1fc/0x260 [ 578.837409][ T7692] __sys_sendmsg+0x117/0x1e0 [ 578.842310][ T7692] ? __sys_sendmsg_sock+0x30/0x30 [ 578.847652][ T7692] ? syscall_enter_from_user_mode+0x26/0x80 [ 578.853675][ T7692] do_syscall_64+0x3f/0x110 [ 578.858213][ T7692] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 578.864392][ T7692] RIP: 0033:0x7f2631248c19 [ 578.869450][ T7692] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 578.889482][ T7692] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 578.898118][ T7692] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 578.906119][ T7692] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 578.914379][ T7692] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 578.923084][ T7692] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 578.931556][ T7692] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 578.939596][ T7692] [ 578.945188][ T7692] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 578.978181][ T7692] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 578.989458][ T7692] CPU: 1 PID: 7692 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 579.000370][ T7692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 579.011117][ T7692] Call Trace: [ 579.014416][ T7692] [ 579.017572][ T7692] dump_stack_lvl+0x125/0x1b0 [ 579.022613][ T7692] sysfs_warn_dup+0x7f/0xa0 [ 579.027198][ T7692] sysfs_create_dir_ns+0x247/0x2a0 [ 579.032676][ T7692] ? sysfs_create_mount_point+0xb0/0xb0 [ 579.038455][ T7692] ? spin_bug+0x1d0/0x1d0 [ 579.042932][ T7692] ? net_namespace+0x12/0x40 [ 579.047657][ T7692] ? device_namespace+0x8d/0xc0 [ 579.053002][ T7692] kobject_add_internal+0x2c8/0x960 [ 579.058690][ T7692] kobject_add+0x16f/0x240 [ 579.063691][ T7692] ? kset_create_and_add+0x190/0x190 [ 579.069287][ T7692] ? do_raw_spin_unlock+0x173/0x230 [ 579.074700][ T7692] ? kobject_put+0xbe/0x440 [ 579.079244][ T7692] ? device_add+0xc35/0x1aa0 [ 579.083955][ T7692] device_add+0x289/0x1aa0 [ 579.088775][ T7692] ? device_initialize+0x510/0x510 [ 579.094299][ T7692] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 579.101546][ T7692] ? __init_waitqueue_head+0xca/0x150 [ 579.107315][ T7692] netdev_register_kobject+0x183/0x3f0 [ 579.112817][ T7692] register_netdevice+0xbdf/0x14a0 [ 579.117970][ T7692] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 579.124157][ T7692] ? validate_linkmsg+0x6fc/0x9c0 [ 579.129569][ T7692] ? rtnl_create_link+0xa6d/0xfd0 [ 579.134737][ T7692] ? batadv_get_sset_count+0x40/0x40 [ 579.141084][ T7692] batadv_softif_newlink+0x70/0x90 [ 579.146630][ T7692] __rtnl_newlink+0x1173/0x1930 [ 579.151819][ T7692] ? rtnl_link_unregister+0x260/0x260 [ 579.157542][ T7692] rtnl_newlink+0x67/0xa0 [ 579.162119][ T7692] ? __rtnl_newlink+0x1930/0x1930 [ 579.167492][ T7692] rtnetlink_rcv_msg+0x3c7/0xe00 [ 579.173131][ T7692] ? rtnl_getlink+0xb40/0xb40 [ 579.178681][ T7692] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 579.187723][ T7692] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 579.194648][ T7692] netlink_rcv_skb+0x16b/0x440 [ 579.199840][ T7692] ? rtnl_getlink+0xb40/0xb40 [ 579.204931][ T7692] ? netlink_ack+0x1370/0x1370 [ 579.209913][ T7692] ? lock_sync+0x190/0x190 [ 579.214600][ T7692] ? netlink_deliver_tap+0x1a0/0xd00 [ 579.220198][ T7692] ? _copy_from_iter+0x2c1/0x10f0 [ 579.225291][ T7692] netlink_unicast+0x53b/0x810 [ 579.230144][ T7692] ? netlink_attachskb+0x880/0x880 [ 579.235752][ T7692] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 579.242042][ T7692] ? __phys_addr_symbol+0x30/0x70 [ 579.247568][ T7692] ? __check_object_size+0x323/0x730 [ 579.253441][ T7692] netlink_sendmsg+0x93c/0xe40 [ 579.258621][ T7692] ? netlink_unicast+0x810/0x810 [ 579.263796][ T7692] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 579.269606][ T7692] ? netlink_unicast+0x810/0x810 [ 579.274783][ T7692] __sock_sendmsg+0xd5/0x180 [ 579.279621][ T7692] ____sys_sendmsg+0x6ac/0x940 [ 579.285240][ T7692] ? copy_msghdr_from_user+0x10b/0x160 [ 579.291626][ T7692] ? kernel_sendmsg+0x50/0x50 [ 579.296886][ T7692] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 579.303298][ T7692] ___sys_sendmsg+0x135/0x1d0 [ 579.308298][ T7692] ? do_recvmmsg+0x740/0x740 [ 579.313209][ T7692] ? find_held_lock+0x2d/0x110 [ 579.318035][ T7692] ? preempt_count_sub+0x150/0x150 [ 579.323379][ T7692] ? __fget_light+0x1fc/0x260 [ 579.328194][ T7692] __sys_sendmsg+0x117/0x1e0 [ 579.332915][ T7692] ? __sys_sendmsg_sock+0x30/0x30 [ 579.338262][ T7692] ? syscall_enter_from_user_mode+0x26/0x80 [ 579.344288][ T7692] do_syscall_64+0x3f/0x110 [ 579.349010][ T7692] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 579.355215][ T7692] RIP: 0033:0x7f2631248c19 [ 579.360487][ T7692] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 579.381498][ T7692] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 579.390119][ T7692] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 579.398307][ T7692] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 579.406529][ T7692] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 579.414790][ T7692] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 579.423407][ T7692] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 579.432821][ T7692] [ 579.449717][ T7692] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 579.516651][ T7693] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 579.546107][ T7693] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 579.564393][ T7693] CPU: 1 PID: 7693 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 579.574784][ T7693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 579.585674][ T7693] Call Trace: [ 579.589181][ T7693] [ 579.592153][ T7693] dump_stack_lvl+0x125/0x1b0 [ 579.596963][ T7693] sysfs_warn_dup+0x7f/0xa0 [ 579.601597][ T7693] sysfs_create_dir_ns+0x247/0x2a0 [ 579.606767][ T7693] ? sysfs_create_mount_point+0xb0/0xb0 [ 579.612450][ T7693] ? spin_bug+0x1d0/0x1d0 [ 579.616940][ T7693] ? net_namespace+0x12/0x40 [ 579.621657][ T7693] ? device_namespace+0x8d/0xc0 [ 579.626730][ T7693] kobject_add_internal+0x2c8/0x960 [ 579.632153][ T7693] kobject_add+0x16f/0x240 [ 579.636879][ T7693] ? kset_create_and_add+0x190/0x190 [ 579.642382][ T7693] ? do_raw_spin_unlock+0x173/0x230 [ 579.647719][ T7693] ? kobject_put+0xbe/0x440 [ 579.653025][ T7693] ? device_add+0xc35/0x1aa0 [ 579.657650][ T7693] device_add+0x289/0x1aa0 [ 579.662298][ T7693] ? device_initialize+0x510/0x510 [ 579.667614][ T7693] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 579.674842][ T7693] ? __init_waitqueue_head+0xca/0x150 [ 579.681123][ T7693] netdev_register_kobject+0x183/0x3f0 [ 579.686889][ T7693] register_netdevice+0xbdf/0x14a0 [ 579.693266][ T7693] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 579.699377][ T7693] ? team_nl_cmd_noop+0x280/0x280 [ 579.704697][ T7693] team_newlink+0x92/0x160 [ 579.709433][ T7693] ? team_nl_cmd_noop+0x280/0x280 [ 579.714783][ T7693] ? rtnl_create_link+0xa6d/0xfd0 [ 579.720018][ T7693] __rtnl_newlink+0x1173/0x1930 [ 579.724989][ T7693] ? rtnl_link_unregister+0x260/0x260 [ 579.730501][ T7693] rtnl_newlink+0x67/0xa0 [ 579.735300][ T7693] ? __rtnl_newlink+0x1930/0x1930 [ 579.740463][ T7693] rtnetlink_rcv_msg+0x3c7/0xe00 [ 579.746022][ T7693] ? rtnl_getlink+0xb40/0xb40 [ 579.750885][ T7693] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 579.756913][ T7693] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 579.763271][ T7693] netlink_rcv_skb+0x16b/0x440 [ 579.768137][ T7693] ? rtnl_getlink+0xb40/0xb40 [ 579.772957][ T7693] ? netlink_ack+0x1370/0x1370 [ 579.778357][ T7693] ? lock_sync+0x190/0x190 [ 579.783008][ T7693] ? netlink_deliver_tap+0x1a0/0xd00 [ 579.789467][ T7693] ? _copy_from_iter+0x2c1/0x10f0 [ 579.795048][ T7693] netlink_unicast+0x53b/0x810 [ 579.800180][ T7693] ? netlink_attachskb+0x880/0x880 [ 579.805565][ T7693] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 579.811767][ T7693] ? __phys_addr_symbol+0x30/0x70 [ 579.817373][ T7693] ? __check_object_size+0x323/0x730 [ 579.823422][ T7693] netlink_sendmsg+0x93c/0xe40 [ 579.828237][ T7693] ? netlink_unicast+0x810/0x810 [ 579.833197][ T7693] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 579.838843][ T7693] ? netlink_unicast+0x810/0x810 [ 579.844284][ T7693] __sock_sendmsg+0xd5/0x180 [ 579.849167][ T7693] ____sys_sendmsg+0x6ac/0x940 [ 579.854289][ T7693] ? copy_msghdr_from_user+0x10b/0x160 [ 579.860287][ T7693] ? kernel_sendmsg+0x50/0x50 [ 579.865561][ T7693] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 579.872663][ T7693] ___sys_sendmsg+0x135/0x1d0 [ 579.877768][ T7693] ? do_recvmmsg+0x740/0x740 [ 579.882669][ T7693] ? find_held_lock+0x2d/0x110 [ 579.888196][ T7693] ? preempt_count_sub+0x150/0x150 [ 579.894237][ T7693] ? __fget_light+0x1fc/0x260 [ 579.898951][ T7693] __sys_sendmsg+0x117/0x1e0 [ 579.903646][ T7693] ? __sys_sendmsg_sock+0x30/0x30 [ 579.909482][ T7693] ? syscall_enter_from_user_mode+0x26/0x80 [ 579.915749][ T7693] do_syscall_64+0x3f/0x110 [ 579.920609][ T7693] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 579.927586][ T7693] RIP: 0033:0x7f2631248c19 [ 579.932098][ T7693] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 579.952977][ T7693] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 579.962211][ T7693] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 579.970563][ T7693] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 579.978758][ T7693] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 579.987310][ T7693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 579.996447][ T7693] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 580.005230][ T7693] [ 580.124638][ T7693] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 580.178075][ T7693] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 580.204514][ T7693] CPU: 0 PID: 7693 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 580.215206][ T7693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 580.225847][ T7693] Call Trace: [ 580.229174][ T7693] [ 580.232222][ T7693] dump_stack_lvl+0x125/0x1b0 [ 580.237227][ T7693] sysfs_warn_dup+0x7f/0xa0 [ 580.242132][ T7693] sysfs_create_dir_ns+0x247/0x2a0 [ 580.247363][ T7693] ? sysfs_create_mount_point+0xb0/0xb0 [ 580.253228][ T7693] ? spin_bug+0x1d0/0x1d0 [ 580.257755][ T7693] ? net_namespace+0x12/0x40 [ 580.262758][ T7693] ? device_namespace+0x8d/0xc0 [ 580.267839][ T7693] kobject_add_internal+0x2c8/0x960 [ 580.273164][ T7693] kobject_add+0x16f/0x240 [ 580.277687][ T7693] ? kset_create_and_add+0x190/0x190 [ 580.284141][ T7693] ? do_raw_spin_unlock+0x173/0x230 [ 580.289752][ T7693] ? kobject_put+0xbe/0x440 [ 580.294473][ T7693] ? device_add+0xc35/0x1aa0 [ 580.299434][ T7693] device_add+0x289/0x1aa0 [ 580.304038][ T7693] ? device_initialize+0x510/0x510 [ 580.309257][ T7693] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 580.316580][ T7693] ? __init_waitqueue_head+0xca/0x150 [ 580.322072][ T7693] netdev_register_kobject+0x183/0x3f0 [ 580.327793][ T7693] register_netdevice+0xbdf/0x14a0 [ 580.333524][ T7693] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 580.339537][ T7693] ? validate_linkmsg+0x6fc/0x9c0 [ 580.344676][ T7693] ? rtnl_create_link+0xa6d/0xfd0 [ 580.349741][ T7693] ? batadv_get_sset_count+0x40/0x40 [ 580.355335][ T7693] batadv_softif_newlink+0x70/0x90 [ 580.360960][ T7693] __rtnl_newlink+0x1173/0x1930 [ 580.366103][ T7693] ? rtnl_link_unregister+0x260/0x260 [ 580.371950][ T7693] rtnl_newlink+0x67/0xa0 [ 580.376334][ T7693] ? __rtnl_newlink+0x1930/0x1930 [ 580.381371][ T7693] rtnetlink_rcv_msg+0x3c7/0xe00 [ 580.386423][ T7693] ? rtnl_getlink+0xb40/0xb40 [ 580.391404][ T7693] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 580.397448][ T7693] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 580.403592][ T7693] netlink_rcv_skb+0x16b/0x440 [ 580.408683][ T7693] ? rtnl_getlink+0xb40/0xb40 [ 580.414115][ T7693] ? netlink_ack+0x1370/0x1370 [ 580.419487][ T7693] ? lock_sync+0x190/0x190 [ 580.424065][ T7693] ? netlink_deliver_tap+0x1a0/0xd00 [ 580.429788][ T7693] ? _copy_from_iter+0x2c1/0x10f0 [ 580.435123][ T7693] netlink_unicast+0x53b/0x810 [ 580.440226][ T7693] ? netlink_attachskb+0x880/0x880 [ 580.446016][ T7693] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 580.452559][ T7693] ? __phys_addr_symbol+0x30/0x70 [ 580.458120][ T7693] ? __check_object_size+0x323/0x730 [ 580.463779][ T7693] netlink_sendmsg+0x93c/0xe40 [ 580.468653][ T7693] ? netlink_unicast+0x810/0x810 [ 580.473639][ T7693] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 580.478952][ T7693] ? netlink_unicast+0x810/0x810 [ 580.484171][ T7693] __sock_sendmsg+0xd5/0x180 [ 580.488904][ T7693] ____sys_sendmsg+0x6ac/0x940 [ 580.493677][ T7693] ? copy_msghdr_from_user+0x10b/0x160 [ 580.499200][ T7693] ? kernel_sendmsg+0x50/0x50 [ 580.504080][ T7693] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 580.510125][ T7693] ___sys_sendmsg+0x135/0x1d0 [ 580.515698][ T7693] ? do_recvmmsg+0x740/0x740 [ 580.520559][ T7693] ? find_held_lock+0x2d/0x110 [ 580.525446][ T7693] ? preempt_count_sub+0x150/0x150 [ 580.530926][ T7693] ? __fget_light+0x1fc/0x260 [ 580.536719][ T7693] __sys_sendmsg+0x117/0x1e0 [ 580.542381][ T7693] ? __sys_sendmsg_sock+0x30/0x30 [ 580.547717][ T7693] ? syscall_enter_from_user_mode+0x26/0x80 [ 580.553625][ T7693] do_syscall_64+0x3f/0x110 [ 580.558505][ T7693] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 580.564504][ T7693] RIP: 0033:0x7f2631248c19 [ 580.569184][ T7693] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 580.589960][ T7693] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 580.598729][ T7693] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 580.607139][ T7693] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 580.615380][ T7693] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 580.623706][ T7693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 580.631803][ T7693] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 580.639996][ T7693] [ 580.839948][ T7693] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 580.906193][ T7694] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 580.921511][ T7694] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 580.931417][ T7694] CPU: 0 PID: 7694 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 580.942087][ T7694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 580.952459][ T7694] Call Trace: [ 580.955849][ T7694] [ 580.959418][ T7694] dump_stack_lvl+0x125/0x1b0 [ 580.964499][ T7694] sysfs_warn_dup+0x7f/0xa0 [ 580.969492][ T7694] sysfs_create_dir_ns+0x247/0x2a0 [ 580.975581][ T7694] ? sysfs_create_mount_point+0xb0/0xb0 [ 580.981541][ T7694] ? spin_bug+0x1d0/0x1d0 [ 580.986198][ T7694] ? net_namespace+0x12/0x40 [ 580.990942][ T7694] ? device_namespace+0x8d/0xc0 [ 580.996377][ T7694] kobject_add_internal+0x2c8/0x960 [ 581.002138][ T7694] kobject_add+0x16f/0x240 [ 581.006601][ T7694] ? kset_create_and_add+0x190/0x190 [ 581.012022][ T7694] ? do_raw_spin_unlock+0x173/0x230 [ 581.017594][ T7694] ? kobject_put+0xbe/0x440 [ 581.022127][ T7694] ? device_add+0xc35/0x1aa0 [ 581.027101][ T7694] device_add+0x289/0x1aa0 [ 581.034336][ T7694] ? device_initialize+0x510/0x510 [ 581.040445][ T7694] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 581.047417][ T7694] ? __init_waitqueue_head+0xca/0x150 [ 581.053161][ T7694] netdev_register_kobject+0x183/0x3f0 [ 581.058907][ T7694] register_netdevice+0xbdf/0x14a0 [ 581.064044][ T7694] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 581.070303][ T7694] ? team_nl_cmd_noop+0x280/0x280 [ 581.075436][ T7694] team_newlink+0x92/0x160 [ 581.080056][ T7694] ? team_nl_cmd_noop+0x280/0x280 [ 581.085973][ T7694] ? rtnl_create_link+0xa6d/0xfd0 [ 581.092359][ T7694] __rtnl_newlink+0x1173/0x1930 [ 581.097269][ T7694] ? rtnl_link_unregister+0x260/0x260 [ 581.102782][ T7694] rtnl_newlink+0x67/0xa0 [ 581.107380][ T7694] ? __rtnl_newlink+0x1930/0x1930 [ 581.113207][ T7694] rtnetlink_rcv_msg+0x3c7/0xe00 [ 581.118512][ T7694] ? rtnl_getlink+0xb40/0xb40 [ 581.123291][ T7694] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 581.129907][ T7694] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 581.136086][ T7694] netlink_rcv_skb+0x16b/0x440 [ 581.140952][ T7694] ? rtnl_getlink+0xb40/0xb40 [ 581.145898][ T7694] ? netlink_ack+0x1370/0x1370 [ 581.150755][ T7694] ? lock_sync+0x190/0x190 [ 581.155203][ T7694] ? netlink_deliver_tap+0x1a0/0xd00 [ 581.160588][ T7694] ? _copy_from_iter+0x2c1/0x10f0 [ 581.165981][ T7694] netlink_unicast+0x53b/0x810 [ 581.170935][ T7694] ? netlink_attachskb+0x880/0x880 [ 581.177338][ T7694] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 581.183986][ T7694] ? __phys_addr_symbol+0x30/0x70 [ 581.189572][ T7694] ? __check_object_size+0x323/0x730 [ 581.194891][ T7694] netlink_sendmsg+0x93c/0xe40 [ 581.199762][ T7694] ? netlink_unicast+0x810/0x810 [ 581.205235][ T7694] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 581.210642][ T7694] ? netlink_unicast+0x810/0x810 [ 581.215698][ T7694] __sock_sendmsg+0xd5/0x180 [ 581.220402][ T7694] ____sys_sendmsg+0x6ac/0x940 [ 581.225322][ T7694] ? copy_msghdr_from_user+0x10b/0x160 [ 581.231057][ T7694] ? kernel_sendmsg+0x50/0x50 [ 581.236019][ T7694] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 581.242632][ T7694] ___sys_sendmsg+0x135/0x1d0 [ 581.248223][ T7694] ? do_recvmmsg+0x740/0x740 [ 581.253185][ T7694] ? find_held_lock+0x2d/0x110 [ 581.258416][ T7694] ? preempt_count_sub+0x150/0x150 [ 581.263663][ T7694] ? __fget_light+0x1fc/0x260 [ 581.268665][ T7694] __sys_sendmsg+0x117/0x1e0 [ 581.273376][ T7694] ? __sys_sendmsg_sock+0x30/0x30 [ 581.278526][ T7694] ? syscall_enter_from_user_mode+0x26/0x80 [ 581.285139][ T7694] do_syscall_64+0x3f/0x110 [ 581.294570][ T7694] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 581.301003][ T7694] RIP: 0033:0x7f2631248c19 [ 581.305457][ T7694] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 581.326495][ T7694] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 581.335230][ T7694] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 581.345143][ T7694] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 581.353483][ T7694] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 581.362012][ T7694] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 581.371855][ T7694] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 581.380928][ T7694] [ 581.390184][ T7694] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 581.421267][ T7694] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 581.432284][ T7694] CPU: 0 PID: 7694 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 581.445443][ T7694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 581.457189][ T7694] Call Trace: [ 581.460857][ T7694] [ 581.464946][ T7694] dump_stack_lvl+0x125/0x1b0 [ 581.469950][ T7694] sysfs_warn_dup+0x7f/0xa0 [ 581.475223][ T7694] sysfs_create_dir_ns+0x247/0x2a0 [ 581.481273][ T7694] ? sysfs_create_mount_point+0xb0/0xb0 [ 581.487693][ T7694] ? spin_bug+0x1d0/0x1d0 [ 581.492249][ T7694] ? net_namespace+0x12/0x40 [ 581.497048][ T7694] ? device_namespace+0x8d/0xc0 [ 581.502787][ T7694] kobject_add_internal+0x2c8/0x960 [ 581.508493][ T7694] kobject_add+0x16f/0x240 [ 581.514711][ T7694] ? kset_create_and_add+0x190/0x190 [ 581.521104][ T7694] ? do_raw_spin_unlock+0x173/0x230 [ 581.526969][ T7694] ? kobject_put+0xbe/0x440 [ 581.531604][ T7694] ? device_add+0xc35/0x1aa0 [ 581.536848][ T7694] device_add+0x289/0x1aa0 [ 581.541554][ T7694] ? device_initialize+0x510/0x510 [ 581.546715][ T7694] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 581.553700][ T7694] ? __init_waitqueue_head+0xca/0x150 [ 581.559215][ T7694] netdev_register_kobject+0x183/0x3f0 [ 581.564825][ T7694] register_netdevice+0xbdf/0x14a0 [ 581.570025][ T7694] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 581.576390][ T7694] ? validate_linkmsg+0x6fc/0x9c0 [ 581.581679][ T7694] ? rtnl_create_link+0xa6d/0xfd0 [ 581.587291][ T7694] ? batadv_get_sset_count+0x40/0x40 [ 581.592982][ T7694] batadv_softif_newlink+0x70/0x90 [ 581.598240][ T7694] __rtnl_newlink+0x1173/0x1930 [ 581.603463][ T7694] ? rtnl_link_unregister+0x260/0x260 [ 581.608991][ T7694] rtnl_newlink+0x67/0xa0 [ 581.613362][ T7694] ? __rtnl_newlink+0x1930/0x1930 [ 581.618515][ T7694] rtnetlink_rcv_msg+0x3c7/0xe00 [ 581.623513][ T7694] ? rtnl_getlink+0xb40/0xb40 [ 581.628409][ T7694] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 581.634621][ T7694] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 581.641412][ T7694] netlink_rcv_skb+0x16b/0x440 [ 581.646779][ T7694] ? rtnl_getlink+0xb40/0xb40 [ 581.651861][ T7694] ? netlink_ack+0x1370/0x1370 [ 581.657276][ T7694] ? lock_sync+0x190/0x190 [ 581.661954][ T7694] ? netlink_deliver_tap+0x1a0/0xd00 [ 581.667456][ T7694] ? _copy_from_iter+0x2c1/0x10f0 [ 581.673169][ T7694] netlink_unicast+0x53b/0x810 [ 581.678428][ T7694] ? netlink_attachskb+0x880/0x880 [ 581.683832][ T7694] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 581.690823][ T7694] ? __phys_addr_symbol+0x30/0x70 [ 581.695980][ T7694] ? __check_object_size+0x323/0x730 [ 581.701503][ T7694] netlink_sendmsg+0x93c/0xe40 [ 581.706849][ T7694] ? netlink_unicast+0x810/0x810 [ 581.712011][ T7694] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 581.717513][ T7694] ? netlink_unicast+0x810/0x810 [ 581.722680][ T7694] __sock_sendmsg+0xd5/0x180 [ 581.727572][ T7694] ____sys_sendmsg+0x6ac/0x940 [ 581.732455][ T7694] ? copy_msghdr_from_user+0x10b/0x160 [ 581.737954][ T7694] ? kernel_sendmsg+0x50/0x50 [ 581.742757][ T7694] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 581.748799][ T7694] ___sys_sendmsg+0x135/0x1d0 [ 581.753798][ T7694] ? do_recvmmsg+0x740/0x740 [ 581.758431][ T7694] ? find_held_lock+0x2d/0x110 [ 581.763513][ T7694] ? preempt_count_sub+0x150/0x150 [ 581.769405][ T7694] ? __fget_light+0x1fc/0x260 [ 581.774125][ T7694] __sys_sendmsg+0x117/0x1e0 [ 581.778976][ T7694] ? __sys_sendmsg_sock+0x30/0x30 [ 581.784583][ T7694] ? syscall_enter_from_user_mode+0x26/0x80 [ 581.790725][ T7694] do_syscall_64+0x3f/0x110 [ 581.795364][ T7694] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 581.801380][ T7694] RIP: 0033:0x7f2631248c19 [ 581.805831][ T7694] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 581.826865][ T7694] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 581.835483][ T7694] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 581.843741][ T7694] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 581.852271][ T7694] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 581.860370][ T7694] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 581.868922][ T7694] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 581.877460][ T7694] [ 581.882492][ T7694] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 581.936399][ T7695] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 581.949470][ T7695] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 581.959937][ T7695] CPU: 0 PID: 7695 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 581.970596][ T7695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 581.981214][ T7695] Call Trace: [ 581.984984][ T7695] [ 581.988449][ T7695] dump_stack_lvl+0x125/0x1b0 [ 581.993837][ T7695] sysfs_warn_dup+0x7f/0xa0 [ 581.998750][ T7695] sysfs_create_dir_ns+0x247/0x2a0 [ 582.004080][ T7695] ? sysfs_create_mount_point+0xb0/0xb0 [ 582.009848][ T7695] ? spin_bug+0x1d0/0x1d0 [ 582.014321][ T7695] ? net_namespace+0x12/0x40 [ 582.020248][ T7695] ? device_namespace+0x8d/0xc0 [ 582.025786][ T7695] kobject_add_internal+0x2c8/0x960 [ 582.031574][ T7695] kobject_add+0x16f/0x240 [ 582.036066][ T7695] ? kset_create_and_add+0x190/0x190 [ 582.041553][ T7695] ? do_raw_spin_unlock+0x173/0x230 [ 582.046911][ T7695] ? kobject_put+0xbe/0x440 [ 582.051472][ T7695] ? device_add+0xc35/0x1aa0 [ 582.056282][ T7695] device_add+0x289/0x1aa0 [ 582.060734][ T7695] ? device_initialize+0x510/0x510 [ 582.066077][ T7695] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 582.073160][ T7695] ? __init_waitqueue_head+0xca/0x150 [ 582.078756][ T7695] netdev_register_kobject+0x183/0x3f0 [ 582.084692][ T7695] register_netdevice+0xbdf/0x14a0 [ 582.089941][ T7695] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 582.096244][ T7695] ? team_nl_cmd_noop+0x280/0x280 [ 582.101314][ T7695] team_newlink+0x92/0x160 [ 582.105947][ T7695] ? team_nl_cmd_noop+0x280/0x280 [ 582.111097][ T7695] ? rtnl_create_link+0xa6d/0xfd0 [ 582.116454][ T7695] __rtnl_newlink+0x1173/0x1930 [ 582.121575][ T7695] ? rtnl_link_unregister+0x260/0x260 [ 582.127038][ T7695] rtnl_newlink+0x67/0xa0 [ 582.131486][ T7695] ? __rtnl_newlink+0x1930/0x1930 [ 582.136589][ T7695] rtnetlink_rcv_msg+0x3c7/0xe00 [ 582.141671][ T7695] ? rtnl_getlink+0xb40/0xb40 [ 582.146379][ T7695] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 582.152755][ T7695] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 582.158947][ T7695] netlink_rcv_skb+0x16b/0x440 [ 582.163857][ T7695] ? rtnl_getlink+0xb40/0xb40 [ 582.168586][ T7695] ? netlink_ack+0x1370/0x1370 [ 582.173566][ T7695] ? lock_sync+0x190/0x190 [ 582.178128][ T7695] ? netlink_deliver_tap+0x1a0/0xd00 [ 582.183819][ T7695] ? _copy_from_iter+0x2c1/0x10f0 [ 582.188976][ T7695] netlink_unicast+0x53b/0x810 [ 582.193868][ T7695] ? netlink_attachskb+0x880/0x880 [ 582.199185][ T7695] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 582.205132][ T7695] ? __phys_addr_symbol+0x30/0x70 [ 582.210197][ T7695] ? __check_object_size+0x323/0x730 [ 582.215723][ T7695] netlink_sendmsg+0x93c/0xe40 [ 582.220645][ T7695] ? netlink_unicast+0x810/0x810 [ 582.225899][ T7695] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 582.231220][ T7695] ? netlink_unicast+0x810/0x810 [ 582.236211][ T7695] __sock_sendmsg+0xd5/0x180 [ 582.240845][ T7695] ____sys_sendmsg+0x6ac/0x940 [ 582.245736][ T7695] ? copy_msghdr_from_user+0x10b/0x160 [ 582.251573][ T7695] ? kernel_sendmsg+0x50/0x50 [ 582.256720][ T7695] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 582.262935][ T7695] ___sys_sendmsg+0x135/0x1d0 [ 582.268012][ T7695] ? do_recvmmsg+0x740/0x740 [ 582.272727][ T7695] ? find_held_lock+0x2d/0x110 [ 582.277647][ T7695] ? preempt_count_sub+0x150/0x150 [ 582.283177][ T7695] ? __fget_light+0x1fc/0x260 [ 582.289294][ T7695] __sys_sendmsg+0x117/0x1e0 [ 582.294477][ T7695] ? __sys_sendmsg_sock+0x30/0x30 [ 582.300359][ T7695] ? syscall_enter_from_user_mode+0x26/0x80 [ 582.307174][ T7695] do_syscall_64+0x3f/0x110 [ 582.311809][ T7695] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 582.317914][ T7695] RIP: 0033:0x7f2631248c19 [ 582.322351][ T7695] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 582.348698][ T7695] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 582.363164][ T7695] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 582.372303][ T7695] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 582.380859][ T7695] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 582.389031][ T7695] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 582.397634][ T7695] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 582.405676][ T7695] [ 582.412761][ T7695] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 582.444711][ T7695] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 582.454713][ T7695] CPU: 1 PID: 7695 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 582.464912][ T7695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 582.475266][ T7695] Call Trace: [ 582.478656][ T7695] [ 582.481614][ T7695] dump_stack_lvl+0x125/0x1b0 [ 582.486457][ T7695] sysfs_warn_dup+0x7f/0xa0 [ 582.491190][ T7695] sysfs_create_dir_ns+0x247/0x2a0 [ 582.496518][ T7695] ? sysfs_create_mount_point+0xb0/0xb0 [ 582.502369][ T7695] ? spin_bug+0x1d0/0x1d0 [ 582.506831][ T7695] ? net_namespace+0x12/0x40 [ 582.511624][ T7695] ? device_namespace+0x8d/0xc0 [ 582.516783][ T7695] kobject_add_internal+0x2c8/0x960 [ 582.522206][ T7695] kobject_add+0x16f/0x240 [ 582.526936][ T7695] ? kset_create_and_add+0x190/0x190 [ 582.532556][ T7695] ? do_raw_spin_unlock+0x173/0x230 [ 582.537850][ T7695] ? kobject_put+0xbe/0x440 [ 582.542659][ T7695] ? device_add+0xc35/0x1aa0 [ 582.547322][ T7695] device_add+0x289/0x1aa0 [ 582.551943][ T7695] ? device_initialize+0x510/0x510 [ 582.557271][ T7695] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 582.564591][ T7695] ? __init_waitqueue_head+0xca/0x150 [ 582.570534][ T7695] netdev_register_kobject+0x183/0x3f0 [ 582.576041][ T7695] register_netdevice+0xbdf/0x14a0 [ 582.581384][ T7695] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 582.587322][ T7695] ? validate_linkmsg+0x6fc/0x9c0 [ 582.593106][ T7695] ? rtnl_create_link+0xa6d/0xfd0 [ 582.598267][ T7695] ? batadv_get_sset_count+0x40/0x40 [ 582.603938][ T7695] batadv_softif_newlink+0x70/0x90 [ 582.609266][ T7695] __rtnl_newlink+0x1173/0x1930 [ 582.614281][ T7695] ? rtnl_link_unregister+0x260/0x260 [ 582.619918][ T7695] rtnl_newlink+0x67/0xa0 [ 582.624652][ T7695] ? __rtnl_newlink+0x1930/0x1930 [ 582.629702][ T7695] rtnetlink_rcv_msg+0x3c7/0xe00 [ 582.634760][ T7695] ? rtnl_getlink+0xb40/0xb40 [ 582.639654][ T7695] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 582.645776][ T7695] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 582.651813][ T7695] netlink_rcv_skb+0x16b/0x440 [ 582.657055][ T7695] ? rtnl_getlink+0xb40/0xb40 [ 582.661847][ T7695] ? netlink_ack+0x1370/0x1370 [ 582.666754][ T7695] ? lock_sync+0x190/0x190 [ 582.671326][ T7695] ? netlink_deliver_tap+0x1a0/0xd00 [ 582.676995][ T7695] ? _copy_from_iter+0x2c1/0x10f0 [ 582.682681][ T7695] netlink_unicast+0x53b/0x810 [ 582.687834][ T7695] ? netlink_attachskb+0x880/0x880 [ 582.693175][ T7695] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 582.700484][ T7695] ? __phys_addr_symbol+0x30/0x70 [ 582.705835][ T7695] ? __check_object_size+0x323/0x730 [ 582.711277][ T7695] netlink_sendmsg+0x93c/0xe40 [ 582.716091][ T7695] ? netlink_unicast+0x810/0x810 [ 582.721339][ T7695] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 582.726661][ T7695] ? netlink_unicast+0x810/0x810 [ 582.731634][ T7695] __sock_sendmsg+0xd5/0x180 [ 582.736252][ T7695] ____sys_sendmsg+0x6ac/0x940 [ 582.741040][ T7695] ? copy_msghdr_from_user+0x10b/0x160 [ 582.746532][ T7695] ? kernel_sendmsg+0x50/0x50 [ 582.751345][ T7695] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 582.757632][ T7695] ___sys_sendmsg+0x135/0x1d0 [ 582.762691][ T7695] ? do_recvmmsg+0x740/0x740 [ 582.767309][ T7695] ? find_held_lock+0x2d/0x110 [ 582.772211][ T7695] ? preempt_count_sub+0x150/0x150 [ 582.777395][ T7695] ? __fget_light+0x1fc/0x260 [ 582.782286][ T7695] __sys_sendmsg+0x117/0x1e0 [ 582.787080][ T7695] ? __sys_sendmsg_sock+0x30/0x30 [ 582.792148][ T7695] ? syscall_enter_from_user_mode+0x26/0x80 [ 582.798073][ T7695] do_syscall_64+0x3f/0x110 [ 582.802616][ T7695] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 582.808537][ T7695] RIP: 0033:0x7f2631248c19 [ 582.812978][ T7695] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 582.833252][ T7695] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 582.841780][ T7695] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 582.850118][ T7695] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 582.858373][ T7695] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 582.866913][ T7695] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 582.874991][ T7695] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 582.883527][ T7695] [ 582.894412][ T7695] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 582.961591][ T7696] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 582.973321][ T7696] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 582.983482][ T7696] CPU: 1 PID: 7696 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 582.994724][ T7696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 583.005517][ T7696] Call Trace: [ 583.008905][ T7696] [ 583.011941][ T7696] dump_stack_lvl+0x125/0x1b0 [ 583.016685][ T7696] sysfs_warn_dup+0x7f/0xa0 [ 583.021415][ T7696] sysfs_create_dir_ns+0x247/0x2a0 [ 583.026622][ T7696] ? sysfs_create_mount_point+0xb0/0xb0 [ 583.032341][ T7696] ? spin_bug+0x1d0/0x1d0 [ 583.037161][ T7696] ? net_namespace+0x12/0x40 [ 583.041949][ T7696] ? device_namespace+0x8d/0xc0 [ 583.046840][ T7696] kobject_add_internal+0x2c8/0x960 [ 583.052177][ T7696] kobject_add+0x16f/0x240 [ 583.056650][ T7696] ? kset_create_and_add+0x190/0x190 [ 583.062083][ T7696] ? do_raw_spin_unlock+0x173/0x230 [ 583.067586][ T7696] ? kobject_put+0xbe/0x440 [ 583.072131][ T7696] ? device_add+0xc35/0x1aa0 [ 583.077135][ T7696] device_add+0x289/0x1aa0 [ 583.081668][ T7696] ? device_initialize+0x510/0x510 [ 583.087084][ T7696] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 583.094234][ T7696] ? __init_waitqueue_head+0xca/0x150 [ 583.099656][ T7696] netdev_register_kobject+0x183/0x3f0 [ 583.105156][ T7696] register_netdevice+0xbdf/0x14a0 [ 583.110581][ T7696] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 583.116614][ T7696] ? team_nl_cmd_noop+0x280/0x280 [ 583.121950][ T7696] team_newlink+0x92/0x160 [ 583.126597][ T7696] ? team_nl_cmd_noop+0x280/0x280 [ 583.131664][ T7696] ? rtnl_create_link+0xa6d/0xfd0 [ 583.136766][ T7696] __rtnl_newlink+0x1173/0x1930 [ 583.141869][ T7696] ? rtnl_link_unregister+0x260/0x260 [ 583.147406][ T7696] rtnl_newlink+0x67/0xa0 [ 583.151857][ T7696] ? __rtnl_newlink+0x1930/0x1930 [ 583.156908][ T7696] rtnetlink_rcv_msg+0x3c7/0xe00 [ 583.161971][ T7696] ? rtnl_getlink+0xb40/0xb40 [ 583.166763][ T7696] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 583.173070][ T7696] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 583.179275][ T7696] netlink_rcv_skb+0x16b/0x440 [ 583.184070][ T7696] ? rtnl_getlink+0xb40/0xb40 [ 583.188877][ T7696] ? netlink_ack+0x1370/0x1370 [ 583.193668][ T7696] ? lock_sync+0x190/0x190 [ 583.198241][ T7696] ? netlink_deliver_tap+0x1a0/0xd00 [ 583.203593][ T7696] ? _copy_from_iter+0x2c1/0x10f0 [ 583.208875][ T7696] netlink_unicast+0x53b/0x810 [ 583.213694][ T7696] ? netlink_attachskb+0x880/0x880 [ 583.218942][ T7696] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 583.225061][ T7696] ? __phys_addr_symbol+0x30/0x70 [ 583.230299][ T7696] ? __check_object_size+0x323/0x730 [ 583.235756][ T7696] netlink_sendmsg+0x93c/0xe40 [ 583.240652][ T7696] ? netlink_unicast+0x810/0x810 [ 583.245724][ T7696] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 583.251323][ T7696] ? netlink_unicast+0x810/0x810 [ 583.256556][ T7696] __sock_sendmsg+0xd5/0x180 [ 583.261759][ T7696] ____sys_sendmsg+0x6ac/0x940 [ 583.266649][ T7696] ? copy_msghdr_from_user+0x10b/0x160 [ 583.272439][ T7696] ? kernel_sendmsg+0x50/0x50 [ 583.277410][ T7696] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 583.283800][ T7696] ___sys_sendmsg+0x135/0x1d0 [ 583.288776][ T7696] ? do_recvmmsg+0x740/0x740 [ 583.293511][ T7696] ? find_held_lock+0x2d/0x110 [ 583.298444][ T7696] ? preempt_count_sub+0x150/0x150 [ 583.303699][ T7696] ? __fget_light+0x1fc/0x260 [ 583.308430][ T7696] __sys_sendmsg+0x117/0x1e0 [ 583.313056][ T7696] ? __sys_sendmsg_sock+0x30/0x30 [ 583.318139][ T7696] ? syscall_enter_from_user_mode+0x26/0x80 [ 583.324178][ T7696] do_syscall_64+0x3f/0x110 [ 583.328892][ T7696] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 583.334819][ T7696] RIP: 0033:0x7f2631248c19 [ 583.339301][ T7696] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 583.359207][ T7696] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 583.368175][ T7696] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 583.376263][ T7696] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 583.384795][ T7696] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 583.392878][ T7696] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 583.401045][ T7696] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 583.409616][ T7696] [ 583.425895][ T7696] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 583.461365][ T7696] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 583.473035][ T7696] CPU: 0 PID: 7696 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 583.483596][ T7696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 583.494125][ T7696] Call Trace: [ 583.497543][ T7696] [ 583.500493][ T7696] dump_stack_lvl+0x125/0x1b0 [ 583.505307][ T7696] sysfs_warn_dup+0x7f/0xa0 [ 583.510037][ T7696] sysfs_create_dir_ns+0x247/0x2a0 [ 583.515290][ T7696] ? sysfs_create_mount_point+0xb0/0xb0 [ 583.521059][ T7696] ? spin_bug+0x1d0/0x1d0 [ 583.525519][ T7696] ? net_namespace+0x12/0x40 [ 583.530314][ T7696] ? device_namespace+0x8d/0xc0 [ 583.535324][ T7696] kobject_add_internal+0x2c8/0x960 [ 583.540671][ T7696] kobject_add+0x16f/0x240 [ 583.545302][ T7696] ? kset_create_and_add+0x190/0x190 [ 583.550632][ T7696] ? do_raw_spin_unlock+0x173/0x230 [ 583.556227][ T7696] ? kobject_put+0xbe/0x440 [ 583.560773][ T7696] ? device_add+0xc35/0x1aa0 [ 583.565455][ T7696] device_add+0x289/0x1aa0 [ 583.569989][ T7696] ? device_initialize+0x510/0x510 [ 583.575527][ T7696] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 583.582708][ T7696] ? __init_waitqueue_head+0xca/0x150 [ 583.588229][ T7696] netdev_register_kobject+0x183/0x3f0 [ 583.594174][ T7696] register_netdevice+0xbdf/0x14a0 [ 583.599584][ T7696] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 583.605777][ T7696] ? validate_linkmsg+0x6fc/0x9c0 [ 583.611015][ T7696] ? rtnl_create_link+0xa6d/0xfd0 [ 583.616522][ T7696] ? batadv_get_sset_count+0x40/0x40 [ 583.622487][ T7696] batadv_softif_newlink+0x70/0x90 [ 583.628123][ T7696] __rtnl_newlink+0x1173/0x1930 [ 583.633118][ T7696] ? rtnl_link_unregister+0x260/0x260 [ 583.638564][ T7696] rtnl_newlink+0x67/0xa0 [ 583.643354][ T7696] ? __rtnl_newlink+0x1930/0x1930 [ 583.648412][ T7696] rtnetlink_rcv_msg+0x3c7/0xe00 [ 583.653572][ T7696] ? rtnl_getlink+0xb40/0xb40 [ 583.658286][ T7696] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 583.664337][ T7696] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 583.671090][ T7696] netlink_rcv_skb+0x16b/0x440 [ 583.676552][ T7696] ? rtnl_getlink+0xb40/0xb40 [ 583.681504][ T7696] ? netlink_ack+0x1370/0x1370 [ 583.687031][ T7696] ? lock_sync+0x190/0x190 [ 583.691860][ T7696] ? netlink_deliver_tap+0x1a0/0xd00 [ 583.697749][ T7696] ? _copy_from_iter+0x2c1/0x10f0 [ 583.702846][ T7696] netlink_unicast+0x53b/0x810 [ 583.707868][ T7696] ? netlink_attachskb+0x880/0x880 [ 583.713734][ T7696] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 583.720360][ T7696] ? __phys_addr_symbol+0x30/0x70 [ 583.725594][ T7696] ? __check_object_size+0x323/0x730 [ 583.730939][ T7696] netlink_sendmsg+0x93c/0xe40 [ 583.735763][ T7696] ? netlink_unicast+0x810/0x810 [ 583.740915][ T7696] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 583.746317][ T7696] ? netlink_unicast+0x810/0x810 [ 583.751296][ T7696] __sock_sendmsg+0xd5/0x180 [ 583.756146][ T7696] ____sys_sendmsg+0x6ac/0x940 [ 583.761389][ T7696] ? copy_msghdr_from_user+0x10b/0x160 [ 583.766994][ T7696] ? kernel_sendmsg+0x50/0x50 [ 583.771716][ T7696] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 583.777928][ T7696] ___sys_sendmsg+0x135/0x1d0 [ 583.783457][ T7696] ? do_recvmmsg+0x740/0x740 [ 583.788095][ T7696] ? find_held_lock+0x2d/0x110 [ 583.793186][ T7696] ? preempt_count_sub+0x150/0x150 [ 583.800635][ T7696] ? __fget_light+0x1fc/0x260 [ 583.805381][ T7696] __sys_sendmsg+0x117/0x1e0 [ 583.810110][ T7696] ? __sys_sendmsg_sock+0x30/0x30 [ 583.815296][ T7696] ? syscall_enter_from_user_mode+0x26/0x80 [ 583.821340][ T7696] do_syscall_64+0x3f/0x110 [ 583.826596][ T7696] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 583.832801][ T7696] RIP: 0033:0x7f2631248c19 [ 583.837328][ T7696] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 583.862449][ T7696] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 583.871443][ T7696] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 583.880493][ T7696] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 583.889280][ T7696] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 583.897466][ T7696] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 583.905676][ T7696] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 583.913952][ T7696] [ 583.939491][ T7696] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 584.001704][ T7697] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 584.013682][ T7697] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 584.023378][ T7697] CPU: 1 PID: 7697 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 584.033941][ T7697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 584.044463][ T7697] Call Trace: [ 584.047761][ T7697] [ 584.050719][ T7697] dump_stack_lvl+0x125/0x1b0 [ 584.055548][ T7697] sysfs_warn_dup+0x7f/0xa0 [ 584.060282][ T7697] sysfs_create_dir_ns+0x247/0x2a0 [ 584.065524][ T7697] ? sysfs_create_mount_point+0xb0/0xb0 [ 584.071303][ T7697] ? spin_bug+0x1d0/0x1d0 [ 584.076055][ T7697] ? net_namespace+0x12/0x40 [ 584.080949][ T7697] ? device_namespace+0x8d/0xc0 [ 584.085839][ T7697] kobject_add_internal+0x2c8/0x960 [ 584.091083][ T7697] kobject_add+0x16f/0x240 [ 584.095545][ T7697] ? kset_create_and_add+0x190/0x190 [ 584.101135][ T7697] ? do_raw_spin_unlock+0x173/0x230 [ 584.106375][ T7697] ? kobject_put+0xbe/0x440 [ 584.111010][ T7697] ? device_add+0xc35/0x1aa0 [ 584.115635][ T7697] device_add+0x289/0x1aa0 [ 584.121038][ T7697] ? device_initialize+0x510/0x510 [ 584.126187][ T7697] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 584.133248][ T7697] ? __init_waitqueue_head+0xca/0x150 [ 584.138668][ T7697] netdev_register_kobject+0x183/0x3f0 [ 584.144273][ T7697] register_netdevice+0xbdf/0x14a0 [ 584.149970][ T7697] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 584.156174][ T7697] ? team_nl_cmd_noop+0x280/0x280 [ 584.161497][ T7697] team_newlink+0x92/0x160 [ 584.166295][ T7697] ? team_nl_cmd_noop+0x280/0x280 [ 584.171370][ T7697] ? rtnl_create_link+0xa6d/0xfd0 [ 584.176554][ T7697] __rtnl_newlink+0x1173/0x1930 [ 584.181641][ T7697] ? rtnl_link_unregister+0x260/0x260 [ 584.187173][ T7697] rtnl_newlink+0x67/0xa0 [ 584.191617][ T7697] ? __rtnl_newlink+0x1930/0x1930 [ 584.196671][ T7697] rtnetlink_rcv_msg+0x3c7/0xe00 [ 584.201728][ T7697] ? rtnl_getlink+0xb40/0xb40 [ 584.206528][ T7697] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 584.212643][ T7697] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 584.218953][ T7697] netlink_rcv_skb+0x16b/0x440 [ 584.223791][ T7697] ? rtnl_getlink+0xb40/0xb40 [ 584.228500][ T7697] ? netlink_ack+0x1370/0x1370 [ 584.233382][ T7697] ? lock_sync+0x190/0x190 [ 584.237853][ T7697] ? netlink_deliver_tap+0x1a0/0xd00 [ 584.243771][ T7697] ? _copy_from_iter+0x2c1/0x10f0 [ 584.249196][ T7697] netlink_unicast+0x53b/0x810 [ 584.254005][ T7697] ? netlink_attachskb+0x880/0x880 [ 584.259260][ T7697] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 584.265547][ T7697] ? __phys_addr_symbol+0x30/0x70 [ 584.270796][ T7697] ? __check_object_size+0x323/0x730 [ 584.276220][ T7697] netlink_sendmsg+0x93c/0xe40 [ 584.281393][ T7697] ? netlink_unicast+0x810/0x810 [ 584.286659][ T7697] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 584.292602][ T7697] ? netlink_unicast+0x810/0x810 [ 584.297853][ T7697] __sock_sendmsg+0xd5/0x180 [ 584.303518][ T7697] ____sys_sendmsg+0x6ac/0x940 [ 584.308409][ T7697] ? copy_msghdr_from_user+0x10b/0x160 [ 584.313913][ T7697] ? kernel_sendmsg+0x50/0x50 [ 584.318713][ T7697] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 584.325186][ T7697] ___sys_sendmsg+0x135/0x1d0 [ 584.331122][ T7697] ? do_recvmmsg+0x740/0x740 [ 584.336093][ T7697] ? find_held_lock+0x2d/0x110 [ 584.341649][ T7697] ? preempt_count_sub+0x150/0x150 [ 584.346916][ T7697] ? __fget_light+0x1fc/0x260 [ 584.351730][ T7697] __sys_sendmsg+0x117/0x1e0 [ 584.356448][ T7697] ? __sys_sendmsg_sock+0x30/0x30 [ 584.361525][ T7697] ? syscall_enter_from_user_mode+0x26/0x80 [ 584.367976][ T7697] do_syscall_64+0x3f/0x110 [ 584.372547][ T7697] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 584.378608][ T7697] RIP: 0033:0x7f2631248c19 [ 584.383736][ T7697] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 584.403743][ T7697] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 584.413062][ T7697] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 584.421964][ T7697] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 584.430507][ T7697] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 584.440269][ T7697] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 584.448456][ T7697] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 584.456932][ T7697] [ 584.460483][ T7697] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 584.491783][ T7697] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 584.502066][ T7697] CPU: 0 PID: 7697 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 584.512516][ T7697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 584.522858][ T7697] Call Trace: [ 584.526502][ T7697] [ 584.529447][ T7697] dump_stack_lvl+0x125/0x1b0 [ 584.534158][ T7697] sysfs_warn_dup+0x7f/0xa0 [ 584.538879][ T7697] sysfs_create_dir_ns+0x247/0x2a0 [ 584.544112][ T7697] ? sysfs_create_mount_point+0xb0/0xb0 [ 584.549706][ T7697] ? spin_bug+0x1d0/0x1d0 [ 584.554078][ T7697] ? net_namespace+0x12/0x40 [ 584.558777][ T7697] ? device_namespace+0x8d/0xc0 [ 584.563766][ T7697] kobject_add_internal+0x2c8/0x960 [ 584.569037][ T7697] kobject_add+0x16f/0x240 [ 584.573574][ T7697] ? kset_create_and_add+0x190/0x190 [ 584.578999][ T7697] ? do_raw_spin_unlock+0x173/0x230 [ 584.584414][ T7697] ? kobject_put+0xbe/0x440 [ 584.589318][ T7697] ? device_add+0xc35/0x1aa0 [ 584.593951][ T7697] device_add+0x289/0x1aa0 [ 584.598532][ T7697] ? device_initialize+0x510/0x510 [ 584.603921][ T7697] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 584.610832][ T7697] ? __init_waitqueue_head+0xca/0x150 [ 584.616233][ T7697] netdev_register_kobject+0x183/0x3f0 [ 584.621887][ T7697] register_netdevice+0xbdf/0x14a0 [ 584.627188][ T7697] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 584.633445][ T7697] ? validate_linkmsg+0x6fc/0x9c0 [ 584.638515][ T7697] ? rtnl_create_link+0xa6d/0xfd0 [ 584.643578][ T7697] ? batadv_get_sset_count+0x40/0x40 [ 584.649194][ T7697] batadv_softif_newlink+0x70/0x90 [ 584.654533][ T7697] __rtnl_newlink+0x1173/0x1930 [ 584.659812][ T7697] ? rtnl_link_unregister+0x260/0x260 [ 584.665247][ T7697] rtnl_newlink+0x67/0xa0 [ 584.669764][ T7697] ? __rtnl_newlink+0x1930/0x1930 [ 584.674882][ T7697] rtnetlink_rcv_msg+0x3c7/0xe00 [ 584.679921][ T7697] ? rtnl_getlink+0xb40/0xb40 [ 584.684722][ T7697] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 584.690905][ T7697] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 584.697648][ T7697] netlink_rcv_skb+0x16b/0x440 [ 584.702514][ T7697] ? rtnl_getlink+0xb40/0xb40 [ 584.707286][ T7697] ? netlink_ack+0x1370/0x1370 [ 584.712058][ T7697] ? lock_sync+0x190/0x190 [ 584.716936][ T7697] ? netlink_deliver_tap+0x1a0/0xd00 [ 584.722344][ T7697] ? _copy_from_iter+0x2c1/0x10f0 [ 584.727390][ T7697] netlink_unicast+0x53b/0x810 [ 584.732263][ T7697] ? netlink_attachskb+0x880/0x880 [ 584.737472][ T7697] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 584.743834][ T7697] ? __phys_addr_symbol+0x30/0x70 [ 584.748903][ T7697] ? __check_object_size+0x323/0x730 [ 584.754395][ T7697] netlink_sendmsg+0x93c/0xe40 [ 584.759311][ T7697] ? netlink_unicast+0x810/0x810 [ 584.764585][ T7697] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 584.769892][ T7697] ? netlink_unicast+0x810/0x810 [ 584.775011][ T7697] __sock_sendmsg+0xd5/0x180 [ 584.779615][ T7697] ____sys_sendmsg+0x6ac/0x940 [ 584.784562][ T7697] ? copy_msghdr_from_user+0x10b/0x160 [ 584.790209][ T7697] ? kernel_sendmsg+0x50/0x50 [ 584.795012][ T7697] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 584.801542][ T7697] ___sys_sendmsg+0x135/0x1d0 [ 584.806238][ T7697] ? do_recvmmsg+0x740/0x740 [ 584.811536][ T7697] ? find_held_lock+0x2d/0x110 [ 584.816590][ T7697] ? preempt_count_sub+0x150/0x150 [ 584.822095][ T7697] ? __fget_light+0x1fc/0x260 [ 584.827760][ T7697] __sys_sendmsg+0x117/0x1e0 [ 584.832451][ T7697] ? __sys_sendmsg_sock+0x30/0x30 [ 584.838283][ T7697] ? syscall_enter_from_user_mode+0x26/0x80 [ 584.844367][ T7697] do_syscall_64+0x3f/0x110 [ 584.849167][ T7697] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 584.855614][ T7697] RIP: 0033:0x7f2631248c19 [ 584.860756][ T7697] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 584.882163][ T7697] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 584.890697][ T7697] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 584.899639][ T7697] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 584.908084][ T7697] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 584.916781][ T7697] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 584.925237][ T7697] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 584.933409][ T7697] [ 584.951581][ T7697] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 585.012812][ T7698] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 585.024425][ T7698] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 585.033884][ T7698] CPU: 1 PID: 7698 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 585.044436][ T7698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 585.054512][ T7698] Call Trace: [ 585.057815][ T7698] [ 585.060783][ T7698] dump_stack_lvl+0x125/0x1b0 [ 585.065680][ T7698] sysfs_warn_dup+0x7f/0xa0 [ 585.070256][ T7698] sysfs_create_dir_ns+0x247/0x2a0 [ 585.075489][ T7698] ? sysfs_create_mount_point+0xb0/0xb0 [ 585.081068][ T7698] ? spin_bug+0x1d0/0x1d0 [ 585.085546][ T7698] ? net_namespace+0x12/0x40 [ 585.090242][ T7698] ? device_namespace+0x8d/0xc0 [ 585.095217][ T7698] kobject_add_internal+0x2c8/0x960 [ 585.100722][ T7698] kobject_add+0x16f/0x240 [ 585.105499][ T7698] ? kset_create_and_add+0x190/0x190 [ 585.110911][ T7698] ? do_raw_spin_unlock+0x173/0x230 [ 585.116240][ T7698] ? kobject_put+0xbe/0x440 [ 585.120783][ T7698] ? device_add+0xc35/0x1aa0 [ 585.125402][ T7698] device_add+0x289/0x1aa0 [ 585.130469][ T7698] ? device_initialize+0x510/0x510 [ 585.135720][ T7698] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 585.142612][ T7698] ? __init_waitqueue_head+0xca/0x150 [ 585.148550][ T7698] netdev_register_kobject+0x183/0x3f0 [ 585.154051][ T7698] register_netdevice+0xbdf/0x14a0 [ 585.159459][ T7698] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 585.165393][ T7698] ? team_nl_cmd_noop+0x280/0x280 [ 585.170736][ T7698] team_newlink+0x92/0x160 [ 585.175282][ T7698] ? team_nl_cmd_noop+0x280/0x280 [ 585.180603][ T7698] ? rtnl_create_link+0xa6d/0xfd0 [ 585.186109][ T7698] __rtnl_newlink+0x1173/0x1930 [ 585.191219][ T7698] ? rtnl_link_unregister+0x260/0x260 [ 585.196744][ T7698] rtnl_newlink+0x67/0xa0 [ 585.201103][ T7698] ? __rtnl_newlink+0x1930/0x1930 [ 585.206155][ T7698] rtnetlink_rcv_msg+0x3c7/0xe00 [ 585.211395][ T7698] ? rtnl_getlink+0xb40/0xb40 [ 585.216135][ T7698] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 585.222692][ T7698] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 585.228729][ T7698] netlink_rcv_skb+0x16b/0x440 [ 585.233615][ T7698] ? rtnl_getlink+0xb40/0xb40 [ 585.238448][ T7698] ? netlink_ack+0x1370/0x1370 [ 585.243334][ T7698] ? lock_sync+0x190/0x190 [ 585.247804][ T7698] ? netlink_deliver_tap+0x1a0/0xd00 [ 585.253472][ T7698] ? _copy_from_iter+0x2c1/0x10f0 [ 585.258903][ T7698] netlink_unicast+0x53b/0x810 [ 585.263896][ T7698] ? netlink_attachskb+0x880/0x880 [ 585.269056][ T7698] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 585.275404][ T7698] ? __phys_addr_symbol+0x30/0x70 [ 585.280773][ T7698] ? __check_object_size+0x323/0x730 [ 585.286304][ T7698] netlink_sendmsg+0x93c/0xe40 [ 585.291130][ T7698] ? netlink_unicast+0x810/0x810 [ 585.296482][ T7698] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 585.301983][ T7698] ? netlink_unicast+0x810/0x810 [ 585.307090][ T7698] __sock_sendmsg+0xd5/0x180 [ 585.311895][ T7698] ____sys_sendmsg+0x6ac/0x940 [ 585.316691][ T7698] ? copy_msghdr_from_user+0x10b/0x160 [ 585.322191][ T7698] ? kernel_sendmsg+0x50/0x50 [ 585.327164][ T7698] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 585.333280][ T7698] ___sys_sendmsg+0x135/0x1d0 [ 585.338252][ T7698] ? do_recvmmsg+0x740/0x740 [ 585.342891][ T7698] ? find_held_lock+0x2d/0x110 [ 585.347797][ T7698] ? preempt_count_sub+0x150/0x150 [ 585.353579][ T7698] ? __fget_light+0x1fc/0x260 [ 585.358939][ T7698] __sys_sendmsg+0x117/0x1e0 [ 585.363664][ T7698] ? __sys_sendmsg_sock+0x30/0x30 [ 585.368748][ T7698] ? syscall_enter_from_user_mode+0x26/0x80 [ 585.374729][ T7698] do_syscall_64+0x3f/0x110 [ 585.379275][ T7698] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 585.385278][ T7698] RIP: 0033:0x7f2631248c19 [ 585.389798][ T7698] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 585.409969][ T7698] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 585.419111][ T7698] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 585.428262][ T7698] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 585.436440][ T7698] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 585.444902][ T7698] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 585.453074][ T7698] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 585.461314][ T7698] [ 585.470186][ T7698] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 585.497330][ T7698] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 585.506780][ T7698] CPU: 1 PID: 7698 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 585.517326][ T7698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 585.527412][ T7698] Call Trace: [ 585.530708][ T7698] [ 585.534001][ T7698] dump_stack_lvl+0x125/0x1b0 [ 585.538803][ T7698] sysfs_warn_dup+0x7f/0xa0 [ 585.543351][ T7698] sysfs_create_dir_ns+0x247/0x2a0 [ 585.548590][ T7698] ? sysfs_create_mount_point+0xb0/0xb0 [ 585.554264][ T7698] ? spin_bug+0x1d0/0x1d0 [ 585.558988][ T7698] ? net_namespace+0x12/0x40 [ 585.563890][ T7698] ? device_namespace+0x8d/0xc0 [ 585.568777][ T7698] kobject_add_internal+0x2c8/0x960 [ 585.574029][ T7698] kobject_add+0x16f/0x240 [ 585.578482][ T7698] ? kset_create_and_add+0x190/0x190 [ 585.583901][ T7698] ? do_raw_spin_unlock+0x173/0x230 [ 585.589234][ T7698] ? kobject_put+0xbe/0x440 [ 585.593869][ T7698] ? device_add+0xc35/0x1aa0 [ 585.598510][ T7698] device_add+0x289/0x1aa0 [ 585.603137][ T7698] ? device_initialize+0x510/0x510 [ 585.608730][ T7698] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 585.620440][ T7698] ? __init_waitqueue_head+0xca/0x150 [ 585.625962][ T7698] netdev_register_kobject+0x183/0x3f0 [ 585.631583][ T7698] register_netdevice+0xbdf/0x14a0 [ 585.637003][ T7698] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 585.643018][ T7698] ? validate_linkmsg+0x6fc/0x9c0 [ 585.648287][ T7698] ? rtnl_create_link+0xa6d/0xfd0 [ 585.653363][ T7698] ? batadv_get_sset_count+0x40/0x40 [ 585.658689][ T7698] batadv_softif_newlink+0x70/0x90 [ 585.663966][ T7698] __rtnl_newlink+0x1173/0x1930 [ 585.669085][ T7698] ? rtnl_link_unregister+0x260/0x260 [ 585.674791][ T7698] rtnl_newlink+0x67/0xa0 [ 585.679322][ T7698] ? __rtnl_newlink+0x1930/0x1930 [ 585.684647][ T7698] rtnetlink_rcv_msg+0x3c7/0xe00 [ 585.689728][ T7698] ? rtnl_getlink+0xb40/0xb40 [ 585.694535][ T7698] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 585.700729][ T7698] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 585.706938][ T7698] netlink_rcv_skb+0x16b/0x440 [ 585.712434][ T7698] ? rtnl_getlink+0xb40/0xb40 [ 585.717831][ T7698] ? netlink_ack+0x1370/0x1370 [ 585.722720][ T7698] ? lock_sync+0x190/0x190 [ 585.727534][ T7698] ? netlink_deliver_tap+0x1a0/0xd00 [ 585.732916][ T7698] ? _copy_from_iter+0x2c1/0x10f0 [ 585.738070][ T7698] netlink_unicast+0x53b/0x810 [ 585.742988][ T7698] ? netlink_attachskb+0x880/0x880 [ 585.748147][ T7698] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 585.754275][ T7698] ? __phys_addr_symbol+0x30/0x70 [ 585.759428][ T7698] ? __check_object_size+0x323/0x730 [ 585.764852][ T7698] netlink_sendmsg+0x93c/0xe40 [ 585.769752][ T7698] ? netlink_unicast+0x810/0x810 [ 585.774727][ T7698] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 585.780496][ T7698] ? netlink_unicast+0x810/0x810 [ 585.785654][ T7698] __sock_sendmsg+0xd5/0x180 [ 585.790385][ T7698] ____sys_sendmsg+0x6ac/0x940 [ 585.795375][ T7698] ? copy_msghdr_from_user+0x10b/0x160 [ 585.800964][ T7698] ? kernel_sendmsg+0x50/0x50 [ 585.805765][ T7698] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 585.811965][ T7698] ___sys_sendmsg+0x135/0x1d0 [ 585.816862][ T7698] ? do_recvmmsg+0x740/0x740 [ 585.822349][ T7698] ? find_held_lock+0x2d/0x110 [ 585.827521][ T7698] ? preempt_count_sub+0x150/0x150 [ 585.832849][ T7698] ? __fget_light+0x1fc/0x260 [ 585.838523][ T7698] __sys_sendmsg+0x117/0x1e0 [ 585.843235][ T7698] ? __sys_sendmsg_sock+0x30/0x30 [ 585.848326][ T7698] ? syscall_enter_from_user_mode+0x26/0x80 [ 585.854282][ T7698] do_syscall_64+0x3f/0x110 [ 585.858973][ T7698] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 585.865236][ T7698] RIP: 0033:0x7f2631248c19 [ 585.869675][ T7698] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 585.893397][ T7698] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 585.902194][ T7698] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 585.910795][ T7698] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 585.918789][ T7698] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 585.927222][ T7698] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 585.935598][ T7698] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 585.943786][ T7698] [ 585.950309][ T7698] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 586.011703][ T7699] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 586.024315][ T7699] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 586.033739][ T7699] CPU: 1 PID: 7699 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 586.044180][ T7699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 586.054694][ T7699] Call Trace: [ 586.057990][ T7699] [ 586.060936][ T7699] dump_stack_lvl+0x125/0x1b0 [ 586.065916][ T7699] sysfs_warn_dup+0x7f/0xa0 [ 586.070570][ T7699] sysfs_create_dir_ns+0x247/0x2a0 [ 586.075903][ T7699] ? sysfs_create_mount_point+0xb0/0xb0 [ 586.081756][ T7699] ? spin_bug+0x1d0/0x1d0 [ 586.086324][ T7699] ? net_namespace+0x12/0x40 [ 586.091131][ T7699] ? device_namespace+0x8d/0xc0 [ 586.096213][ T7699] kobject_add_internal+0x2c8/0x960 [ 586.102124][ T7699] kobject_add+0x16f/0x240 [ 586.106673][ T7699] ? kset_create_and_add+0x190/0x190 [ 586.112173][ T7699] ? do_raw_spin_unlock+0x173/0x230 [ 586.117426][ T7699] ? kobject_put+0xbe/0x440 [ 586.121966][ T7699] ? device_add+0xc35/0x1aa0 [ 586.126793][ T7699] device_add+0x289/0x1aa0 [ 586.131513][ T7699] ? device_initialize+0x510/0x510 [ 586.136770][ T7699] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 586.143763][ T7699] ? __init_waitqueue_head+0xca/0x150 [ 586.149268][ T7699] netdev_register_kobject+0x183/0x3f0 [ 586.155555][ T7699] register_netdevice+0xbdf/0x14a0 [ 586.160723][ T7699] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 586.166926][ T7699] ? team_nl_cmd_noop+0x280/0x280 [ 586.171982][ T7699] team_newlink+0x92/0x160 [ 586.176542][ T7699] ? team_nl_cmd_noop+0x280/0x280 [ 586.181871][ T7699] ? rtnl_create_link+0xa6d/0xfd0 [ 586.187037][ T7699] __rtnl_newlink+0x1173/0x1930 [ 586.192065][ T7699] ? rtnl_link_unregister+0x260/0x260 [ 586.198162][ T7699] rtnl_newlink+0x67/0xa0 [ 586.202636][ T7699] ? __rtnl_newlink+0x1930/0x1930 [ 586.207900][ T7699] rtnetlink_rcv_msg+0x3c7/0xe00 [ 586.213497][ T7699] ? rtnl_getlink+0xb40/0xb40 [ 586.218203][ T7699] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 586.225797][ T7699] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 586.231834][ T7699] netlink_rcv_skb+0x16b/0x440 [ 586.236811][ T7699] ? rtnl_getlink+0xb40/0xb40 [ 586.241782][ T7699] ? netlink_ack+0x1370/0x1370 [ 586.246763][ T7699] ? lock_sync+0x190/0x190 [ 586.251581][ T7699] ? netlink_deliver_tap+0x1a0/0xd00 [ 586.257171][ T7699] ? _copy_from_iter+0x2c1/0x10f0 [ 586.262288][ T7699] netlink_unicast+0x53b/0x810 [ 586.267278][ T7699] ? netlink_attachskb+0x880/0x880 [ 586.272700][ T7699] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 586.278911][ T7699] ? __phys_addr_symbol+0x30/0x70 [ 586.284604][ T7699] ? __check_object_size+0x323/0x730 [ 586.290383][ T7699] netlink_sendmsg+0x93c/0xe40 [ 586.297115][ T7699] ? netlink_unicast+0x810/0x810 [ 586.302622][ T7699] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 586.308135][ T7699] ? netlink_unicast+0x810/0x810 [ 586.313733][ T7699] __sock_sendmsg+0xd5/0x180 [ 586.318757][ T7699] ____sys_sendmsg+0x6ac/0x940 [ 586.325310][ T7699] ? copy_msghdr_from_user+0x10b/0x160 [ 586.331691][ T7699] ? kernel_sendmsg+0x50/0x50 [ 586.336512][ T7699] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 586.342917][ T7699] ___sys_sendmsg+0x135/0x1d0 [ 586.347755][ T7699] ? do_recvmmsg+0x740/0x740 [ 586.352381][ T7699] ? find_held_lock+0x2d/0x110 [ 586.357548][ T7699] ? preempt_count_sub+0x150/0x150 [ 586.363157][ T7699] ? __fget_light+0x1fc/0x260 [ 586.368190][ T7699] __sys_sendmsg+0x117/0x1e0 [ 586.373767][ T7699] ? __sys_sendmsg_sock+0x30/0x30 [ 586.378847][ T7699] ? syscall_enter_from_user_mode+0x26/0x80 [ 586.384959][ T7699] do_syscall_64+0x3f/0x110 [ 586.389845][ T7699] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 586.397002][ T7699] RIP: 0033:0x7f2631248c19 [ 586.401557][ T7699] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 586.423664][ T7699] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 586.436305][ T7699] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 586.445480][ T7699] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 586.454318][ T7699] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 586.463027][ T7699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 586.474086][ T7699] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 586.482648][ T7699] [ 586.488608][ T7699] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 586.543620][ T7699] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 586.554086][ T7699] CPU: 1 PID: 7699 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 586.564460][ T7699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 586.575933][ T7699] Call Trace: [ 586.579229][ T7699] [ 586.582205][ T7699] dump_stack_lvl+0x125/0x1b0 [ 586.587108][ T7699] sysfs_warn_dup+0x7f/0xa0 [ 586.591793][ T7699] sysfs_create_dir_ns+0x247/0x2a0 [ 586.597207][ T7699] ? sysfs_create_mount_point+0xb0/0xb0 [ 586.602898][ T7699] ? spin_bug+0x1d0/0x1d0 [ 586.607571][ T7699] ? net_namespace+0x12/0x40 [ 586.612301][ T7699] ? device_namespace+0x8d/0xc0 [ 586.617459][ T7699] kobject_add_internal+0x2c8/0x960 [ 586.622808][ T7699] kobject_add+0x16f/0x240 [ 586.627288][ T7699] ? kset_create_and_add+0x190/0x190 [ 586.633136][ T7699] ? do_raw_spin_unlock+0x173/0x230 [ 586.638369][ T7699] ? kobject_put+0xbe/0x440 [ 586.643256][ T7699] ? device_add+0xc35/0x1aa0 [ 586.647983][ T7699] device_add+0x289/0x1aa0 [ 586.653504][ T7699] ? device_initialize+0x510/0x510 [ 586.658905][ T7699] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 586.666615][ T7699] ? __init_waitqueue_head+0xca/0x150 [ 586.673039][ T7699] netdev_register_kobject+0x183/0x3f0 [ 586.679407][ T7699] register_netdevice+0xbdf/0x14a0 [ 586.685021][ T7699] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 586.691236][ T7699] ? validate_linkmsg+0x6fc/0x9c0 [ 586.696659][ T7699] ? rtnl_create_link+0xa6d/0xfd0 [ 586.701724][ T7699] ? batadv_get_sset_count+0x40/0x40 [ 586.707134][ T7699] batadv_softif_newlink+0x70/0x90 [ 586.712369][ T7699] __rtnl_newlink+0x1173/0x1930 [ 586.717883][ T7699] ? rtnl_link_unregister+0x260/0x260 [ 586.723932][ T7699] rtnl_newlink+0x67/0xa0 [ 586.728500][ T7699] ? __rtnl_newlink+0x1930/0x1930 [ 586.733816][ T7699] rtnetlink_rcv_msg+0x3c7/0xe00 [ 586.738873][ T7699] ? rtnl_getlink+0xb40/0xb40 [ 586.743666][ T7699] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 586.750123][ T7699] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 586.756337][ T7699] netlink_rcv_skb+0x16b/0x440 [ 586.761228][ T7699] ? rtnl_getlink+0xb40/0xb40 [ 586.765957][ T7699] ? netlink_ack+0x1370/0x1370 [ 586.770743][ T7699] ? lock_sync+0x190/0x190 [ 586.775302][ T7699] ? netlink_deliver_tap+0x1a0/0xd00 [ 586.780613][ T7699] ? _copy_from_iter+0x2c1/0x10f0 [ 586.785764][ T7699] netlink_unicast+0x53b/0x810 [ 586.790675][ T7699] ? netlink_attachskb+0x880/0x880 [ 586.796098][ T7699] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 586.802106][ T7699] ? __phys_addr_symbol+0x30/0x70 [ 586.807329][ T7699] ? __check_object_size+0x323/0x730 [ 586.812940][ T7699] netlink_sendmsg+0x93c/0xe40 [ 586.817854][ T7699] ? netlink_unicast+0x810/0x810 [ 586.823285][ T7699] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 586.828744][ T7699] ? netlink_unicast+0x810/0x810 [ 586.833831][ T7699] __sock_sendmsg+0xd5/0x180 [ 586.838550][ T7699] ____sys_sendmsg+0x6ac/0x940 [ 586.843435][ T7699] ? copy_msghdr_from_user+0x10b/0x160 [ 586.848924][ T7699] ? kernel_sendmsg+0x50/0x50 [ 586.853632][ T7699] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 586.859917][ T7699] ___sys_sendmsg+0x135/0x1d0 [ 586.864800][ T7699] ? do_recvmmsg+0x740/0x740 [ 586.869604][ T7699] ? find_held_lock+0x2d/0x110 [ 586.874725][ T7699] ? preempt_count_sub+0x150/0x150 [ 586.880102][ T7699] ? __fget_light+0x1fc/0x260 [ 586.885003][ T7699] __sys_sendmsg+0x117/0x1e0 [ 586.889798][ T7699] ? __sys_sendmsg_sock+0x30/0x30 [ 586.894879][ T7699] ? syscall_enter_from_user_mode+0x26/0x80 [ 586.900981][ T7699] do_syscall_64+0x3f/0x110 [ 586.906821][ T7699] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 586.912753][ T7699] RIP: 0033:0x7f2631248c19 [ 586.917194][ T7699] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 586.938155][ T7699] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 586.946603][ T7699] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 586.954684][ T7699] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 586.963205][ T7699] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 586.971543][ T7699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 586.979986][ T7699] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 586.988515][ T7699] [ 587.009312][ T7699] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 587.091940][ T7700] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 587.103670][ T7700] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 587.115152][ T7700] CPU: 0 PID: 7700 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 587.126392][ T7700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 587.138194][ T7700] Call Trace: [ 587.141521][ T7700] [ 587.144464][ T7700] dump_stack_lvl+0x125/0x1b0 [ 587.149188][ T7700] sysfs_warn_dup+0x7f/0xa0 [ 587.153738][ T7700] sysfs_create_dir_ns+0x247/0x2a0 [ 587.158975][ T7700] ? sysfs_create_mount_point+0xb0/0xb0 [ 587.164542][ T7700] ? spin_bug+0x1d0/0x1d0 [ 587.169241][ T7700] ? net_namespace+0x12/0x40 [ 587.177484][ T7700] ? device_namespace+0x8d/0xc0 [ 587.182454][ T7700] kobject_add_internal+0x2c8/0x960 [ 587.188234][ T7700] kobject_add+0x16f/0x240 [ 587.192940][ T7700] ? kset_create_and_add+0x190/0x190 [ 587.198420][ T7700] ? do_raw_spin_unlock+0x173/0x230 [ 587.204246][ T7700] ? kobject_put+0xbe/0x440 [ 587.209030][ T7700] ? device_add+0xc35/0x1aa0 [ 587.213939][ T7700] device_add+0x289/0x1aa0 [ 587.218541][ T7700] ? device_initialize+0x510/0x510 [ 587.223758][ T7700] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 587.231186][ T7700] ? __init_waitqueue_head+0xca/0x150 [ 587.236671][ T7700] netdev_register_kobject+0x183/0x3f0 [ 587.242325][ T7700] register_netdevice+0xbdf/0x14a0 [ 587.248015][ T7700] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 587.254486][ T7700] ? team_nl_cmd_noop+0x280/0x280 [ 587.259626][ T7700] team_newlink+0x92/0x160 [ 587.264578][ T7700] ? team_nl_cmd_noop+0x280/0x280 [ 587.270170][ T7700] ? rtnl_create_link+0xa6d/0xfd0 [ 587.275687][ T7700] __rtnl_newlink+0x1173/0x1930 [ 587.281383][ T7700] ? rtnl_link_unregister+0x260/0x260 [ 587.287000][ T7700] rtnl_newlink+0x67/0xa0 [ 587.291920][ T7700] ? __rtnl_newlink+0x1930/0x1930 [ 587.298364][ T7700] rtnetlink_rcv_msg+0x3c7/0xe00 [ 587.303796][ T7700] ? rtnl_getlink+0xb40/0xb40 [ 587.309210][ T7700] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 587.315490][ T7700] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 587.321846][ T7700] netlink_rcv_skb+0x16b/0x440 [ 587.327131][ T7700] ? rtnl_getlink+0xb40/0xb40 [ 587.332817][ T7700] ? netlink_ack+0x1370/0x1370 [ 587.337988][ T7700] ? lock_sync+0x190/0x190 [ 587.342604][ T7700] ? netlink_deliver_tap+0x1a0/0xd00 [ 587.348225][ T7700] ? _copy_from_iter+0x2c1/0x10f0 [ 587.353366][ T7700] netlink_unicast+0x53b/0x810 [ 587.358498][ T7700] ? netlink_attachskb+0x880/0x880 [ 587.364281][ T7700] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 587.370756][ T7700] ? __phys_addr_symbol+0x30/0x70 [ 587.376094][ T7700] ? __check_object_size+0x323/0x730 [ 587.381698][ T7700] netlink_sendmsg+0x93c/0xe40 [ 587.387386][ T7700] ? netlink_unicast+0x810/0x810 [ 587.393418][ T7700] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 587.399523][ T7700] ? netlink_unicast+0x810/0x810 [ 587.405619][ T7700] __sock_sendmsg+0xd5/0x180 [ 587.410798][ T7700] ____sys_sendmsg+0x6ac/0x940 [ 587.416472][ T7700] ? copy_msghdr_from_user+0x10b/0x160 [ 587.421996][ T7700] ? kernel_sendmsg+0x50/0x50 [ 587.426971][ T7700] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 587.433225][ T7700] ___sys_sendmsg+0x135/0x1d0 [ 587.438152][ T7700] ? do_recvmmsg+0x740/0x740 [ 587.443565][ T7700] ? find_held_lock+0x2d/0x110 [ 587.448711][ T7700] ? preempt_count_sub+0x150/0x150 [ 587.454970][ T7700] ? __fget_light+0x1fc/0x260 [ 587.462220][ T7700] __sys_sendmsg+0x117/0x1e0 [ 587.467649][ T7700] ? __sys_sendmsg_sock+0x30/0x30 [ 587.473261][ T7700] ? syscall_enter_from_user_mode+0x26/0x80 [ 587.480092][ T7700] do_syscall_64+0x3f/0x110 [ 587.486823][ T7700] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 587.495415][ T7700] RIP: 0033:0x7f2631248c19 [ 587.500216][ T7700] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 587.522513][ T7700] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 587.530952][ T7700] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 587.539199][ T7700] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 587.547614][ T7700] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 587.556026][ T7700] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 587.564441][ T7700] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 587.572670][ T7700] [ 587.599245][ T7700] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 587.626877][ T7700] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 587.636538][ T7700] CPU: 0 PID: 7700 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 587.647074][ T7700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 587.657503][ T7700] Call Trace: [ 587.660799][ T7700] [ 587.663745][ T7700] dump_stack_lvl+0x125/0x1b0 [ 587.668549][ T7700] sysfs_warn_dup+0x7f/0xa0 [ 587.673616][ T7700] sysfs_create_dir_ns+0x247/0x2a0 [ 587.679117][ T7700] ? sysfs_create_mount_point+0xb0/0xb0 [ 587.684701][ T7700] ? spin_bug+0x1d0/0x1d0 [ 587.689089][ T7700] ? net_namespace+0x12/0x40 [ 587.693740][ T7700] ? device_namespace+0x8d/0xc0 [ 587.698824][ T7700] kobject_add_internal+0x2c8/0x960 [ 587.704150][ T7700] kobject_add+0x16f/0x240 [ 587.708704][ T7700] ? kset_create_and_add+0x190/0x190 [ 587.714290][ T7700] ? do_raw_spin_unlock+0x173/0x230 [ 587.719544][ T7700] ? kobject_put+0xbe/0x440 [ 587.724375][ T7700] ? device_add+0xc35/0x1aa0 [ 587.729455][ T7700] device_add+0x289/0x1aa0 [ 587.734284][ T7700] ? device_initialize+0x510/0x510 [ 587.739452][ T7700] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 587.746463][ T7700] ? __init_waitqueue_head+0xca/0x150 [ 587.752691][ T7700] netdev_register_kobject+0x183/0x3f0 [ 587.758555][ T7700] register_netdevice+0xbdf/0x14a0 [ 587.764352][ T7700] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 587.770751][ T7700] ? validate_linkmsg+0x6fc/0x9c0 [ 587.777110][ T7700] ? rtnl_create_link+0xa6d/0xfd0 [ 587.782768][ T7700] ? batadv_get_sset_count+0x40/0x40 [ 587.788549][ T7700] batadv_softif_newlink+0x70/0x90 [ 587.793806][ T7700] __rtnl_newlink+0x1173/0x1930 [ 587.798807][ T7700] ? rtnl_link_unregister+0x260/0x260 [ 587.804350][ T7700] rtnl_newlink+0x67/0xa0 [ 587.811851][ T7700] ? __rtnl_newlink+0x1930/0x1930 [ 587.816944][ T7700] rtnetlink_rcv_msg+0x3c7/0xe00 [ 587.822188][ T7700] ? rtnl_getlink+0xb40/0xb40 [ 587.827326][ T7700] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 587.833781][ T7700] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 587.839821][ T7700] netlink_rcv_skb+0x16b/0x440 [ 587.844801][ T7700] ? rtnl_getlink+0xb40/0xb40 [ 587.849514][ T7700] ? netlink_ack+0x1370/0x1370 [ 587.854497][ T7700] ? lock_sync+0x190/0x190 [ 587.858993][ T7700] ? netlink_deliver_tap+0x1a0/0xd00 [ 587.864490][ T7700] ? _copy_from_iter+0x2c1/0x10f0 [ 587.869804][ T7700] netlink_unicast+0x53b/0x810 [ 587.874627][ T7700] ? netlink_attachskb+0x880/0x880 [ 587.880119][ T7700] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 587.886210][ T7700] ? __phys_addr_symbol+0x30/0x70 [ 587.891300][ T7700] ? __check_object_size+0x323/0x730 [ 587.896892][ T7700] netlink_sendmsg+0x93c/0xe40 [ 587.901695][ T7700] ? netlink_unicast+0x810/0x810 [ 587.906681][ T7700] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 587.912360][ T7700] ? netlink_unicast+0x810/0x810 [ 587.917675][ T7700] __sock_sendmsg+0xd5/0x180 [ 587.922468][ T7700] ____sys_sendmsg+0x6ac/0x940 [ 587.927519][ T7700] ? copy_msghdr_from_user+0x10b/0x160 [ 587.933170][ T7700] ? kernel_sendmsg+0x50/0x50 [ 587.937963][ T7700] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 587.944160][ T7700] ___sys_sendmsg+0x135/0x1d0 [ 587.949358][ T7700] ? do_recvmmsg+0x740/0x740 [ 587.954341][ T7700] ? find_held_lock+0x2d/0x110 [ 587.959707][ T7700] ? preempt_count_sub+0x150/0x150 [ 587.965758][ T7700] ? __fget_light+0x1fc/0x260 [ 587.970685][ T7700] __sys_sendmsg+0x117/0x1e0 [ 587.975955][ T7700] ? __sys_sendmsg_sock+0x30/0x30 [ 587.981292][ T7700] ? xfd_validate_state+0x5d/0x180 [ 587.986739][ T7700] ? syscall_enter_from_user_mode+0x26/0x80 [ 587.993508][ T7700] do_syscall_64+0x3f/0x110 [ 587.998168][ T7700] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 588.005496][ T7700] RIP: 0033:0x7f2631248c19 [ 588.010572][ T7700] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 588.032880][ T7700] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 588.042076][ T7700] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 588.051350][ T7700] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 588.059542][ T7700] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 588.067719][ T7700] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 588.075817][ T7700] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 588.084109][ T7700] [ 588.089184][ T7700] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 588.186729][ T7701] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 588.198464][ T7701] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 588.215445][ T7701] CPU: 0 PID: 7701 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 588.227561][ T7701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 588.237705][ T7701] Call Trace: [ 588.241045][ T7701] [ 588.244051][ T7701] dump_stack_lvl+0x125/0x1b0 [ 588.248874][ T7701] sysfs_warn_dup+0x7f/0xa0 [ 588.253805][ T7701] sysfs_create_dir_ns+0x247/0x2a0 [ 588.259249][ T7701] ? sysfs_create_mount_point+0xb0/0xb0 [ 588.264937][ T7701] ? spin_bug+0x1d0/0x1d0 [ 588.269571][ T7701] ? net_namespace+0x12/0x40 [ 588.274287][ T7701] ? device_namespace+0x8d/0xc0 [ 588.279278][ T7701] kobject_add_internal+0x2c8/0x960 [ 588.284914][ T7701] kobject_add+0x16f/0x240 [ 588.289587][ T7701] ? kset_create_and_add+0x190/0x190 [ 588.295082][ T7701] ? do_raw_spin_unlock+0x173/0x230 [ 588.300304][ T7701] ? kobject_put+0xbe/0x440 [ 588.304868][ T7701] ? device_add+0xc35/0x1aa0 [ 588.309592][ T7701] device_add+0x289/0x1aa0 [ 588.314448][ T7701] ? device_initialize+0x510/0x510 [ 588.319977][ T7701] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 588.327309][ T7701] ? __init_waitqueue_head+0xca/0x150 [ 588.332834][ T7701] netdev_register_kobject+0x183/0x3f0 [ 588.338603][ T7701] register_netdevice+0xbdf/0x14a0 [ 588.343908][ T7701] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 588.350090][ T7701] ? team_nl_cmd_noop+0x280/0x280 [ 588.355213][ T7701] team_newlink+0x92/0x160 [ 588.359640][ T7701] ? team_nl_cmd_noop+0x280/0x280 [ 588.364856][ T7701] ? rtnl_create_link+0xa6d/0xfd0 [ 588.370247][ T7701] __rtnl_newlink+0x1173/0x1930 [ 588.375134][ T7701] ? rtnl_link_unregister+0x260/0x260 [ 588.381155][ T7701] rtnl_newlink+0x67/0xa0 [ 588.385496][ T7701] ? __rtnl_newlink+0x1930/0x1930 [ 588.390538][ T7701] rtnetlink_rcv_msg+0x3c7/0xe00 [ 588.395578][ T7701] ? rtnl_getlink+0xb40/0xb40 [ 588.400269][ T7701] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 588.407676][ T7701] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 588.414551][ T7701] netlink_rcv_skb+0x16b/0x440 [ 588.420374][ T7701] ? rtnl_getlink+0xb40/0xb40 [ 588.425896][ T7701] ? netlink_ack+0x1370/0x1370 [ 588.431060][ T7701] ? lock_sync+0x190/0x190 [ 588.435519][ T7701] ? netlink_deliver_tap+0x1a0/0xd00 [ 588.441032][ T7701] ? _copy_from_iter+0x2c1/0x10f0 [ 588.446363][ T7701] netlink_unicast+0x53b/0x810 [ 588.451244][ T7701] ? netlink_attachskb+0x880/0x880 [ 588.456538][ T7701] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 588.462533][ T7701] ? __phys_addr_symbol+0x30/0x70 [ 588.467833][ T7701] ? __check_object_size+0x323/0x730 [ 588.473409][ T7701] netlink_sendmsg+0x93c/0xe40 [ 588.478464][ T7701] ? netlink_unicast+0x810/0x810 [ 588.483530][ T7701] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 588.488999][ T7701] ? netlink_unicast+0x810/0x810 [ 588.494526][ T7701] __sock_sendmsg+0xd5/0x180 [ 588.499142][ T7701] ____sys_sendmsg+0x6ac/0x940 [ 588.504145][ T7701] ? copy_msghdr_from_user+0x10b/0x160 [ 588.509855][ T7701] ? kernel_sendmsg+0x50/0x50 [ 588.515506][ T7701] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 588.521697][ T7701] ___sys_sendmsg+0x135/0x1d0 [ 588.526733][ T7701] ? do_recvmmsg+0x740/0x740 [ 588.531348][ T7701] ? find_held_lock+0x2d/0x110 [ 588.536398][ T7701] ? preempt_count_sub+0x150/0x150 [ 588.541616][ T7701] ? __fget_light+0x1fc/0x260 [ 588.546504][ T7701] __sys_sendmsg+0x117/0x1e0 [ 588.551177][ T7701] ? __sys_sendmsg_sock+0x30/0x30 [ 588.556231][ T7701] ? syscall_enter_from_user_mode+0x26/0x80 [ 588.562143][ T7701] do_syscall_64+0x3f/0x110 [ 588.566663][ T7701] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 588.573345][ T7701] RIP: 0033:0x7f2631248c19 [ 588.577944][ T7701] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 588.597735][ T7701] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 588.606681][ T7701] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 588.615207][ T7701] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 588.623895][ T7701] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 588.632141][ T7701] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 588.640463][ T7701] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 588.648452][ T7701] [ 588.653270][ T7701] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 588.686158][ T7701] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 588.696495][ T7701] CPU: 1 PID: 7701 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 588.706856][ T7701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 588.717823][ T7701] Call Trace: [ 588.721350][ T7701] [ 588.724433][ T7701] dump_stack_lvl+0x125/0x1b0 [ 588.729153][ T7701] sysfs_warn_dup+0x7f/0xa0 [ 588.733868][ T7701] sysfs_create_dir_ns+0x247/0x2a0 [ 588.739018][ T7701] ? sysfs_create_mount_point+0xb0/0xb0 [ 588.744801][ T7701] ? spin_bug+0x1d0/0x1d0 [ 588.749371][ T7701] ? net_namespace+0x12/0x40 [ 588.754081][ T7701] ? device_namespace+0x8d/0xc0 [ 588.759062][ T7701] kobject_add_internal+0x2c8/0x960 [ 588.764305][ T7701] kobject_add+0x16f/0x240 [ 588.768753][ T7701] ? kset_create_and_add+0x190/0x190 [ 588.774073][ T7701] ? do_raw_spin_unlock+0x173/0x230 [ 588.779400][ T7701] ? kobject_put+0xbe/0x440 [ 588.783998][ T7701] ? device_add+0xc35/0x1aa0 [ 588.788948][ T7701] device_add+0x289/0x1aa0 [ 588.793663][ T7701] ? device_initialize+0x510/0x510 [ 588.798815][ T7701] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 588.806006][ T7701] ? __init_waitqueue_head+0xca/0x150 [ 588.811592][ T7701] netdev_register_kobject+0x183/0x3f0 [ 588.817177][ T7701] register_netdevice+0xbdf/0x14a0 [ 588.822334][ T7701] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 588.828516][ T7701] ? validate_linkmsg+0x6fc/0x9c0 [ 588.834008][ T7701] ? rtnl_create_link+0xa6d/0xfd0 [ 588.839507][ T7701] ? batadv_get_sset_count+0x40/0x40 [ 588.844842][ T7701] batadv_softif_newlink+0x70/0x90 [ 588.850423][ T7701] __rtnl_newlink+0x1173/0x1930 [ 588.855317][ T7701] ? rtnl_link_unregister+0x260/0x260 [ 588.860863][ T7701] rtnl_newlink+0x67/0xa0 [ 588.865672][ T7701] ? __rtnl_newlink+0x1930/0x1930 [ 588.871586][ T7701] rtnetlink_rcv_msg+0x3c7/0xe00 [ 588.876856][ T7701] ? rtnl_getlink+0xb40/0xb40 [ 588.881737][ T7701] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 588.887938][ T7701] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 588.894849][ T7701] netlink_rcv_skb+0x16b/0x440 [ 588.899901][ T7701] ? rtnl_getlink+0xb40/0xb40 [ 588.905064][ T7701] ? netlink_ack+0x1370/0x1370 [ 588.910013][ T7701] ? lock_sync+0x190/0x190 [ 588.914502][ T7701] ? netlink_deliver_tap+0x1a0/0xd00 [ 588.920086][ T7701] ? _copy_from_iter+0x2c1/0x10f0 [ 588.925343][ T7701] netlink_unicast+0x53b/0x810 [ 588.930336][ T7701] ? netlink_attachskb+0x880/0x880 [ 588.935848][ T7701] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 588.942255][ T7701] ? __phys_addr_symbol+0x30/0x70 [ 588.947933][ T7701] ? __check_object_size+0x323/0x730 [ 588.953469][ T7701] netlink_sendmsg+0x93c/0xe40 [ 588.958471][ T7701] ? netlink_unicast+0x810/0x810 [ 588.963542][ T7701] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 588.969259][ T7701] ? netlink_unicast+0x810/0x810 [ 588.974617][ T7701] __sock_sendmsg+0xd5/0x180 [ 588.979421][ T7701] ____sys_sendmsg+0x6ac/0x940 [ 588.984226][ T7701] ? copy_msghdr_from_user+0x10b/0x160 [ 588.989971][ T7701] ? kernel_sendmsg+0x50/0x50 [ 588.994855][ T7701] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 589.001154][ T7701] ___sys_sendmsg+0x135/0x1d0 [ 589.006500][ T7701] ? do_recvmmsg+0x740/0x740 [ 589.011469][ T7701] ? find_held_lock+0x2d/0x110 [ 589.017007][ T7701] ? preempt_count_sub+0x150/0x150 [ 589.023493][ T7701] ? __fget_light+0x1fc/0x260 [ 589.029330][ T7701] __sys_sendmsg+0x117/0x1e0 [ 589.035382][ T7701] ? __sys_sendmsg_sock+0x30/0x30 [ 589.042311][ T7701] ? syscall_enter_from_user_mode+0x26/0x80 [ 589.048861][ T7701] do_syscall_64+0x3f/0x110 [ 589.053585][ T7701] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 589.059528][ T7701] RIP: 0033:0x7f2631248c19 [ 589.064923][ T7701] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 589.085866][ T7701] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 589.094743][ T7701] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 589.102834][ T7701] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 589.111175][ T7701] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 589.119966][ T7701] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 589.128239][ T7701] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 589.137318][ T7701] [ 589.155692][ T7701] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 589.212247][ T7702] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 589.225911][ T7702] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 589.237198][ T7702] CPU: 0 PID: 7702 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 589.248082][ T7702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 589.258528][ T7702] Call Trace: [ 589.262004][ T7702] [ 589.265456][ T7702] dump_stack_lvl+0x125/0x1b0 [ 589.270642][ T7702] sysfs_warn_dup+0x7f/0xa0 [ 589.275212][ T7702] sysfs_create_dir_ns+0x247/0x2a0 [ 589.280821][ T7702] ? sysfs_create_mount_point+0xb0/0xb0 [ 589.287286][ T7702] ? spin_bug+0x1d0/0x1d0 [ 589.292384][ T7702] ? net_namespace+0x12/0x40 [ 589.297978][ T7702] ? device_namespace+0x8d/0xc0 [ 589.302962][ T7702] kobject_add_internal+0x2c8/0x960 [ 589.308480][ T7702] kobject_add+0x16f/0x240 [ 589.313025][ T7702] ? kset_create_and_add+0x190/0x190 [ 589.318708][ T7702] ? do_raw_spin_unlock+0x173/0x230 [ 589.324236][ T7702] ? kobject_put+0xbe/0x440 [ 589.329045][ T7702] ? device_add+0xc35/0x1aa0 [ 589.333695][ T7702] device_add+0x289/0x1aa0 [ 589.338429][ T7702] ? device_initialize+0x510/0x510 [ 589.343769][ T7702] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 589.350748][ T7702] ? __init_waitqueue_head+0xca/0x150 [ 589.356544][ T7702] netdev_register_kobject+0x183/0x3f0 [ 589.362403][ T7702] register_netdevice+0xbdf/0x14a0 [ 589.367745][ T7702] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 589.374038][ T7702] ? team_nl_cmd_noop+0x280/0x280 [ 589.379449][ T7702] team_newlink+0x92/0x160 [ 589.384176][ T7702] ? team_nl_cmd_noop+0x280/0x280 [ 589.389397][ T7702] ? rtnl_create_link+0xa6d/0xfd0 [ 589.394477][ T7702] __rtnl_newlink+0x1173/0x1930 [ 589.400096][ T7702] ? rtnl_link_unregister+0x260/0x260 [ 589.406783][ T7702] rtnl_newlink+0x67/0xa0 [ 589.411690][ T7702] ? __rtnl_newlink+0x1930/0x1930 [ 589.417205][ T7702] rtnetlink_rcv_msg+0x3c7/0xe00 [ 589.424022][ T7702] ? rtnl_getlink+0xb40/0xb40 [ 589.430439][ T7702] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 589.436475][ T7702] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 589.443330][ T7702] netlink_rcv_skb+0x16b/0x440 [ 589.450848][ T7702] ? rtnl_getlink+0xb40/0xb40 [ 589.456737][ T7702] ? netlink_ack+0x1370/0x1370 [ 589.462076][ T7702] ? lock_sync+0x190/0x190 [ 589.467212][ T7702] ? netlink_deliver_tap+0x1a0/0xd00 [ 589.473079][ T7702] ? _copy_from_iter+0x2c1/0x10f0 [ 589.478528][ T7702] netlink_unicast+0x53b/0x810 [ 589.485273][ T7702] ? netlink_attachskb+0x880/0x880 [ 589.490947][ T7702] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 589.499120][ T7702] ? __phys_addr_symbol+0x30/0x70 [ 589.504765][ T7702] ? __check_object_size+0x323/0x730 [ 589.510733][ T7702] netlink_sendmsg+0x93c/0xe40 [ 589.515738][ T7702] ? netlink_unicast+0x810/0x810 [ 589.521105][ T7702] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 589.528348][ T7702] ? netlink_unicast+0x810/0x810 [ 589.533791][ T7702] __sock_sendmsg+0xd5/0x180 [ 589.538519][ T7702] ____sys_sendmsg+0x6ac/0x940 [ 589.543661][ T7702] ? copy_msghdr_from_user+0x10b/0x160 [ 589.549240][ T7702] ? kernel_sendmsg+0x50/0x50 [ 589.553949][ T7702] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 589.560493][ T7702] ___sys_sendmsg+0x135/0x1d0 [ 589.565299][ T7702] ? do_recvmmsg+0x740/0x740 [ 589.570033][ T7702] ? find_held_lock+0x2d/0x110 [ 589.574930][ T7702] ? preempt_count_sub+0x150/0x150 [ 589.580445][ T7702] ? __fget_light+0x1fc/0x260 [ 589.585250][ T7702] __sys_sendmsg+0x117/0x1e0 [ 589.589895][ T7702] ? __sys_sendmsg_sock+0x30/0x30 [ 589.595163][ T7702] ? syscall_enter_from_user_mode+0x26/0x80 [ 589.601197][ T7702] do_syscall_64+0x3f/0x110 [ 589.606488][ T7702] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 589.612605][ T7702] RIP: 0033:0x7f2631248c19 [ 589.617270][ T7702] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 589.638052][ T7702] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 589.646883][ T7702] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 589.655613][ T7702] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 589.664072][ T7702] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 589.672880][ T7702] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 589.681156][ T7702] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 589.690139][ T7702] [ 589.698609][ T7702] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 589.736525][ T7702] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 589.747282][ T7702] CPU: 1 PID: 7702 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 589.757667][ T7702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 589.767850][ T7702] Call Trace: [ 589.771990][ T7702] [ 589.775376][ T7702] dump_stack_lvl+0x125/0x1b0 [ 589.780647][ T7702] sysfs_warn_dup+0x7f/0xa0 [ 589.785383][ T7702] sysfs_create_dir_ns+0x247/0x2a0 [ 589.790537][ T7702] ? sysfs_create_mount_point+0xb0/0xb0 [ 589.796818][ T7702] ? spin_bug+0x1d0/0x1d0 [ 589.801375][ T7702] ? net_namespace+0x12/0x40 [ 589.806082][ T7702] ? device_namespace+0x8d/0xc0 [ 589.811147][ T7702] kobject_add_internal+0x2c8/0x960 [ 589.816419][ T7702] kobject_add+0x16f/0x240 [ 589.820897][ T7702] ? kset_create_and_add+0x190/0x190 [ 589.826676][ T7702] ? do_raw_spin_unlock+0x173/0x230 [ 589.832189][ T7702] ? kobject_put+0xbe/0x440 [ 589.836944][ T7702] ? device_add+0xc35/0x1aa0 [ 589.841954][ T7702] device_add+0x289/0x1aa0 [ 589.846595][ T7702] ? device_initialize+0x510/0x510 [ 589.852032][ T7702] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 589.860334][ T7702] ? __init_waitqueue_head+0xca/0x150 [ 589.866195][ T7702] netdev_register_kobject+0x183/0x3f0 [ 589.872134][ T7702] register_netdevice+0xbdf/0x14a0 [ 589.877462][ T7702] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 589.883471][ T7702] ? validate_linkmsg+0x6fc/0x9c0 [ 589.888673][ T7702] ? rtnl_create_link+0xa6d/0xfd0 [ 589.893934][ T7702] ? batadv_get_sset_count+0x40/0x40 [ 589.899534][ T7702] batadv_softif_newlink+0x70/0x90 [ 589.904869][ T7702] __rtnl_newlink+0x1173/0x1930 [ 589.909850][ T7702] ? rtnl_link_unregister+0x260/0x260 [ 589.915473][ T7702] rtnl_newlink+0x67/0xa0 [ 589.920006][ T7702] ? __rtnl_newlink+0x1930/0x1930 [ 589.925260][ T7702] rtnetlink_rcv_msg+0x3c7/0xe00 [ 589.930424][ T7702] ? rtnl_getlink+0xb40/0xb40 [ 589.935544][ T7702] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 589.941749][ T7702] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 589.947885][ T7702] netlink_rcv_skb+0x16b/0x440 [ 589.952686][ T7702] ? rtnl_getlink+0xb40/0xb40 [ 589.957656][ T7702] ? netlink_ack+0x1370/0x1370 [ 589.962909][ T7702] ? lock_sync+0x190/0x190 [ 589.967475][ T7702] ? netlink_deliver_tap+0x1a0/0xd00 [ 589.973232][ T7702] ? _copy_from_iter+0x2c1/0x10f0 [ 589.978741][ T7702] netlink_unicast+0x53b/0x810 [ 589.983545][ T7702] ? netlink_attachskb+0x880/0x880 [ 589.988793][ T7702] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 589.995417][ T7702] ? __phys_addr_symbol+0x30/0x70 [ 590.001168][ T7702] ? __check_object_size+0x323/0x730 [ 590.007206][ T7702] netlink_sendmsg+0x93c/0xe40 [ 590.012559][ T7702] ? netlink_unicast+0x810/0x810 [ 590.017906][ T7702] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 590.023396][ T7702] ? netlink_unicast+0x810/0x810 [ 590.028743][ T7702] __sock_sendmsg+0xd5/0x180 [ 590.033836][ T7702] ____sys_sendmsg+0x6ac/0x940 [ 590.039911][ T7702] ? copy_msghdr_from_user+0x10b/0x160 [ 590.045595][ T7702] ? kernel_sendmsg+0x50/0x50 [ 590.050312][ T7702] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 590.056973][ T7702] ___sys_sendmsg+0x135/0x1d0 [ 590.063259][ T7702] ? do_recvmmsg+0x740/0x740 [ 590.068401][ T7702] ? find_held_lock+0x2d/0x110 [ 590.073775][ T7702] ? preempt_count_sub+0x150/0x150 [ 590.079297][ T7702] ? __fget_light+0x1fc/0x260 [ 590.084278][ T7702] __sys_sendmsg+0x117/0x1e0 [ 590.088921][ T7702] ? __sys_sendmsg_sock+0x30/0x30 [ 590.094277][ T7702] ? syscall_enter_from_user_mode+0x26/0x80 [ 590.100497][ T7702] do_syscall_64+0x3f/0x110 [ 590.105511][ T7702] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 590.112341][ T7702] RIP: 0033:0x7f2631248c19 [ 590.117236][ T7702] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 590.138195][ T7702] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 590.146647][ T7702] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 590.155000][ T7702] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 590.162999][ T7702] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 590.171398][ T7702] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 590.179580][ T7702] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 590.189989][ T7702] [ 590.197310][ T7702] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 590.266646][ T7703] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 590.279314][ T7703] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 590.289101][ T7703] CPU: 1 PID: 7703 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 590.299654][ T7703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 590.310435][ T7703] Call Trace: [ 590.313935][ T7703] [ 590.317068][ T7703] dump_stack_lvl+0x125/0x1b0 [ 590.321962][ T7703] sysfs_warn_dup+0x7f/0xa0 [ 590.326596][ T7703] sysfs_create_dir_ns+0x247/0x2a0 [ 590.332016][ T7703] ? sysfs_create_mount_point+0xb0/0xb0 [ 590.338348][ T7703] ? spin_bug+0x1d0/0x1d0 [ 590.342719][ T7703] ? net_namespace+0x12/0x40 [ 590.347446][ T7703] ? device_namespace+0x8d/0xc0 [ 590.352340][ T7703] kobject_add_internal+0x2c8/0x960 [ 590.357781][ T7703] kobject_add+0x16f/0x240 [ 590.362236][ T7703] ? kset_create_and_add+0x190/0x190 [ 590.367864][ T7703] ? do_raw_spin_unlock+0x173/0x230 [ 590.373112][ T7703] ? kobject_put+0xbe/0x440 [ 590.378131][ T7703] ? device_add+0xc35/0x1aa0 [ 590.383017][ T7703] device_add+0x289/0x1aa0 [ 590.387662][ T7703] ? device_initialize+0x510/0x510 [ 590.392988][ T7703] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 590.400143][ T7703] ? __init_waitqueue_head+0xca/0x150 [ 590.406603][ T7703] netdev_register_kobject+0x183/0x3f0 [ 590.412464][ T7703] register_netdevice+0xbdf/0x14a0 [ 590.417715][ T7703] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 590.424447][ T7703] ? team_nl_cmd_noop+0x280/0x280 [ 590.430650][ T7703] team_newlink+0x92/0x160 [ 590.436431][ T7703] ? team_nl_cmd_noop+0x280/0x280 [ 590.441885][ T7703] ? rtnl_create_link+0xa6d/0xfd0 [ 590.446983][ T7703] __rtnl_newlink+0x1173/0x1930 [ 590.452156][ T7703] ? rtnl_link_unregister+0x260/0x260 [ 590.457922][ T7703] rtnl_newlink+0x67/0xa0 [ 590.462462][ T7703] ? __rtnl_newlink+0x1930/0x1930 [ 590.467795][ T7703] rtnetlink_rcv_msg+0x3c7/0xe00 [ 590.472857][ T7703] ? rtnl_getlink+0xb40/0xb40 [ 590.477737][ T7703] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 590.484105][ T7703] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 590.490778][ T7703] netlink_rcv_skb+0x16b/0x440 [ 590.495807][ T7703] ? rtnl_getlink+0xb40/0xb40 [ 590.500713][ T7703] ? netlink_ack+0x1370/0x1370 [ 590.505595][ T7703] ? lock_sync+0x190/0x190 [ 590.510414][ T7703] ? netlink_deliver_tap+0x1a0/0xd00 [ 590.516511][ T7703] ? _copy_from_iter+0x2c1/0x10f0 [ 590.521932][ T7703] netlink_unicast+0x53b/0x810 [ 590.526999][ T7703] ? netlink_attachskb+0x880/0x880 [ 590.532330][ T7703] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 590.538498][ T7703] ? __phys_addr_symbol+0x30/0x70 [ 590.543656][ T7703] ? __check_object_size+0x323/0x730 [ 590.549780][ T7703] netlink_sendmsg+0x93c/0xe40 [ 590.554695][ T7703] ? netlink_unicast+0x810/0x810 [ 590.559893][ T7703] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 590.565211][ T7703] ? netlink_unicast+0x810/0x810 [ 590.570274][ T7703] __sock_sendmsg+0xd5/0x180 [ 590.574997][ T7703] ____sys_sendmsg+0x6ac/0x940 [ 590.579964][ T7703] ? copy_msghdr_from_user+0x10b/0x160 [ 590.585541][ T7703] ? kernel_sendmsg+0x50/0x50 [ 590.590335][ T7703] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 590.597505][ T7703] ___sys_sendmsg+0x135/0x1d0 [ 590.604666][ T7703] ? do_recvmmsg+0x740/0x740 [ 590.609995][ T7703] ? find_held_lock+0x2d/0x110 [ 590.615003][ T7703] ? preempt_count_sub+0x150/0x150 [ 590.620443][ T7703] ? __fget_light+0x1fc/0x260 [ 590.625266][ T7703] __sys_sendmsg+0x117/0x1e0 [ 590.630365][ T7703] ? __sys_sendmsg_sock+0x30/0x30 [ 590.635895][ T7703] ? syscall_enter_from_user_mode+0x26/0x80 [ 590.642266][ T7703] do_syscall_64+0x3f/0x110 [ 590.646815][ T7703] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 590.653185][ T7703] RIP: 0033:0x7f2631248c19 [ 590.658215][ T7703] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 590.680395][ T7703] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 590.689564][ T7703] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 590.698341][ T7703] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 590.707914][ T7703] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 590.716263][ T7703] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 590.724355][ T7703] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 590.732471][ T7703] [ 590.752952][ T7703] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 590.780433][ T7703] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 590.790119][ T7703] CPU: 0 PID: 7703 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 590.800921][ T7703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 590.811258][ T7703] Call Trace: [ 590.814657][ T7703] [ 590.817711][ T7703] dump_stack_lvl+0x125/0x1b0 [ 590.822887][ T7703] sysfs_warn_dup+0x7f/0xa0 [ 590.827639][ T7703] sysfs_create_dir_ns+0x247/0x2a0 [ 590.833013][ T7703] ? sysfs_create_mount_point+0xb0/0xb0 [ 590.839046][ T7703] ? spin_bug+0x1d0/0x1d0 [ 590.843688][ T7703] ? net_namespace+0x12/0x40 [ 590.848481][ T7703] ? device_namespace+0x8d/0xc0 [ 590.853724][ T7703] kobject_add_internal+0x2c8/0x960 [ 590.859395][ T7703] kobject_add+0x16f/0x240 [ 590.864239][ T7703] ? kset_create_and_add+0x190/0x190 [ 590.869766][ T7703] ? do_raw_spin_unlock+0x173/0x230 [ 590.875119][ T7703] ? kobject_put+0xbe/0x440 [ 590.879860][ T7703] ? device_add+0xc35/0x1aa0 [ 590.884844][ T7703] device_add+0x289/0x1aa0 [ 590.889300][ T7703] ? device_initialize+0x510/0x510 [ 590.894635][ T7703] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 590.901535][ T7703] ? __init_waitqueue_head+0xca/0x150 [ 590.906959][ T7703] netdev_register_kobject+0x183/0x3f0 [ 590.913156][ T7703] register_netdevice+0xbdf/0x14a0 [ 590.918606][ T7703] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 590.925321][ T7703] ? validate_linkmsg+0x6fc/0x9c0 [ 590.931347][ T7703] ? rtnl_create_link+0xa6d/0xfd0 [ 590.937631][ T7703] ? batadv_get_sset_count+0x40/0x40 [ 590.943056][ T7703] batadv_softif_newlink+0x70/0x90 [ 590.949383][ T7703] __rtnl_newlink+0x1173/0x1930 [ 590.955387][ T7703] ? rtnl_link_unregister+0x260/0x260 [ 590.961300][ T7703] rtnl_newlink+0x67/0xa0 [ 590.965868][ T7703] ? __rtnl_newlink+0x1930/0x1930 [ 590.971642][ T7703] rtnetlink_rcv_msg+0x3c7/0xe00 [ 590.976665][ T7703] ? rtnl_getlink+0xb40/0xb40 [ 590.982349][ T7703] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 590.988908][ T7703] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 590.995129][ T7703] netlink_rcv_skb+0x16b/0x440 [ 591.000436][ T7703] ? rtnl_getlink+0xb40/0xb40 [ 591.005160][ T7703] ? netlink_ack+0x1370/0x1370 [ 591.010042][ T7703] ? lock_sync+0x190/0x190 [ 591.014541][ T7703] ? netlink_deliver_tap+0x1a0/0xd00 [ 591.020248][ T7703] ? _copy_from_iter+0x2c1/0x10f0 [ 591.026469][ T7703] netlink_unicast+0x53b/0x810 [ 591.031819][ T7703] ? netlink_attachskb+0x880/0x880 [ 591.037562][ T7703] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 591.044217][ T7703] ? __phys_addr_symbol+0x30/0x70 [ 591.050340][ T7703] ? __check_object_size+0x323/0x730 [ 591.055859][ T7703] netlink_sendmsg+0x93c/0xe40 [ 591.062003][ T7703] ? netlink_unicast+0x810/0x810 [ 591.067330][ T7703] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 591.073256][ T7703] ? netlink_unicast+0x810/0x810 [ 591.078393][ T7703] __sock_sendmsg+0xd5/0x180 [ 591.083615][ T7703] ____sys_sendmsg+0x6ac/0x940 [ 591.088504][ T7703] ? copy_msghdr_from_user+0x10b/0x160 [ 591.094172][ T7703] ? kernel_sendmsg+0x50/0x50 [ 591.099496][ T7703] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 591.105522][ T7703] ___sys_sendmsg+0x135/0x1d0 [ 591.110516][ T7703] ? do_recvmmsg+0x740/0x740 [ 591.115246][ T7703] ? find_held_lock+0x2d/0x110 [ 591.120174][ T7703] ? preempt_count_sub+0x150/0x150 [ 591.125585][ T7703] ? __fget_light+0x1fc/0x260 [ 591.130387][ T7703] __sys_sendmsg+0x117/0x1e0 [ 591.135111][ T7703] ? __sys_sendmsg_sock+0x30/0x30 [ 591.140182][ T7703] ? xfd_validate_state+0x5d/0x180 [ 591.145355][ T7703] ? syscall_enter_from_user_mode+0x26/0x80 [ 591.151642][ T7703] do_syscall_64+0x3f/0x110 [ 591.156205][ T7703] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 591.162119][ T7703] RIP: 0033:0x7f2631248c19 [ 591.166735][ T7703] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 591.187282][ T7703] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 591.197227][ T7703] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 591.210362][ T7703] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 591.219242][ T7703] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 591.228297][ T7703] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 591.236662][ T7703] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 591.244852][ T7703] [ 591.254862][ T7703] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 591.320882][ T7704] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 591.332664][ T7704] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 591.343293][ T7704] CPU: 0 PID: 7704 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 591.353815][ T7704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 591.364073][ T7704] Call Trace: [ 591.367371][ T7704] [ 591.370321][ T7704] dump_stack_lvl+0x125/0x1b0 [ 591.375221][ T7704] sysfs_warn_dup+0x7f/0xa0 [ 591.379773][ T7704] sysfs_create_dir_ns+0x247/0x2a0 [ 591.385289][ T7704] ? sysfs_create_mount_point+0xb0/0xb0 [ 591.391330][ T7704] ? spin_bug+0x1d0/0x1d0 [ 591.395980][ T7704] ? net_namespace+0x12/0x40 [ 591.400789][ T7704] ? device_namespace+0x8d/0xc0 [ 591.406156][ T7704] kobject_add_internal+0x2c8/0x960 [ 591.411754][ T7704] kobject_add+0x16f/0x240 [ 591.416449][ T7704] ? kset_create_and_add+0x190/0x190 [ 591.422156][ T7704] ? do_raw_spin_unlock+0x173/0x230 [ 591.427684][ T7704] ? kobject_put+0xbe/0x440 [ 591.432333][ T7704] ? device_add+0xc35/0x1aa0 [ 591.437051][ T7704] device_add+0x289/0x1aa0 [ 591.442216][ T7704] ? device_initialize+0x510/0x510 [ 591.448065][ T7704] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 591.455399][ T7704] ? __init_waitqueue_head+0xca/0x150 [ 591.460934][ T7704] netdev_register_kobject+0x183/0x3f0 [ 591.467041][ T7704] register_netdevice+0xbdf/0x14a0 [ 591.473405][ T7704] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 591.479750][ T7704] ? team_nl_cmd_noop+0x280/0x280 [ 591.484881][ T7704] team_newlink+0x92/0x160 [ 591.489474][ T7704] ? team_nl_cmd_noop+0x280/0x280 [ 591.495080][ T7704] ? rtnl_create_link+0xa6d/0xfd0 [ 591.500329][ T7704] __rtnl_newlink+0x1173/0x1930 [ 591.505230][ T7704] ? rtnl_link_unregister+0x260/0x260 [ 591.511079][ T7704] rtnl_newlink+0x67/0xa0 [ 591.515419][ T7704] ? __rtnl_newlink+0x1930/0x1930 [ 591.520973][ T7704] rtnetlink_rcv_msg+0x3c7/0xe00 [ 591.526105][ T7704] ? rtnl_getlink+0xb40/0xb40 [ 591.530813][ T7704] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 591.537002][ T7704] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 591.543366][ T7704] netlink_rcv_skb+0x16b/0x440 [ 591.548335][ T7704] ? rtnl_getlink+0xb40/0xb40 [ 591.553198][ T7704] ? netlink_ack+0x1370/0x1370 [ 591.558149][ T7704] ? lock_sync+0x190/0x190 [ 591.562681][ T7704] ? netlink_deliver_tap+0x1a0/0xd00 [ 591.568331][ T7704] ? _copy_from_iter+0x2c1/0x10f0 [ 591.573668][ T7704] netlink_unicast+0x53b/0x810 [ 591.578831][ T7704] ? netlink_attachskb+0x880/0x880 [ 591.584315][ T7704] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 591.590692][ T7704] ? __phys_addr_symbol+0x30/0x70 [ 591.595923][ T7704] ? __check_object_size+0x323/0x730 [ 591.601673][ T7704] netlink_sendmsg+0x93c/0xe40 [ 591.606746][ T7704] ? netlink_unicast+0x810/0x810 [ 591.612166][ T7704] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 591.618190][ T7704] ? netlink_unicast+0x810/0x810 [ 591.623681][ T7704] __sock_sendmsg+0xd5/0x180 [ 591.628657][ T7704] ____sys_sendmsg+0x6ac/0x940 [ 591.633724][ T7704] ? copy_msghdr_from_user+0x10b/0x160 [ 591.639315][ T7704] ? kernel_sendmsg+0x50/0x50 [ 591.644031][ T7704] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 591.652006][ T7704] ___sys_sendmsg+0x135/0x1d0 [ 591.656981][ T7704] ? do_recvmmsg+0x740/0x740 [ 591.661857][ T7704] ? find_held_lock+0x2d/0x110 [ 591.666766][ T7704] ? preempt_count_sub+0x150/0x150 [ 591.673349][ T7704] ? __fget_light+0x1fc/0x260 [ 591.678085][ T7704] __sys_sendmsg+0x117/0x1e0 [ 591.683143][ T7704] ? __sys_sendmsg_sock+0x30/0x30 [ 591.689068][ T7704] ? syscall_enter_from_user_mode+0x26/0x80 [ 591.695399][ T7704] do_syscall_64+0x3f/0x110 [ 591.700119][ T7704] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 591.706149][ T7704] RIP: 0033:0x7f2631248c19 [ 591.710572][ T7704] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 591.730887][ T7704] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 591.739490][ T7704] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 591.747739][ T7704] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 591.755805][ T7704] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 591.764130][ T7704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 591.772212][ T7704] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 591.780393][ T7704] [ 591.796069][ T7704] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 591.823061][ T7704] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 591.832907][ T7704] CPU: 0 PID: 7704 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 591.843005][ T7704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 591.853176][ T7704] Call Trace: [ 591.856480][ T7704] [ 591.859619][ T7704] dump_stack_lvl+0x125/0x1b0 [ 591.864429][ T7704] sysfs_warn_dup+0x7f/0xa0 [ 591.869174][ T7704] sysfs_create_dir_ns+0x247/0x2a0 [ 591.874440][ T7704] ? sysfs_create_mount_point+0xb0/0xb0 [ 591.880505][ T7704] ? spin_bug+0x1d0/0x1d0 [ 591.884972][ T7704] ? net_namespace+0x12/0x40 [ 591.890023][ T7704] ? device_namespace+0x8d/0xc0 [ 591.895446][ T7704] kobject_add_internal+0x2c8/0x960 [ 591.900796][ T7704] kobject_add+0x16f/0x240 [ 591.905255][ T7704] ? kset_create_and_add+0x190/0x190 [ 591.910718][ T7704] ? do_raw_spin_unlock+0x173/0x230 [ 591.916002][ T7704] ? kobject_put+0xbe/0x440 [ 591.920561][ T7704] ? device_add+0xc35/0x1aa0 [ 591.925270][ T7704] device_add+0x289/0x1aa0 [ 591.930081][ T7704] ? device_initialize+0x510/0x510 [ 591.935438][ T7704] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 591.942769][ T7704] ? __init_waitqueue_head+0xca/0x150 [ 591.949061][ T7704] netdev_register_kobject+0x183/0x3f0 [ 591.955083][ T7704] register_netdevice+0xbdf/0x14a0 [ 591.960328][ T7704] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 591.966683][ T7704] ? validate_linkmsg+0x6fc/0x9c0 [ 591.972529][ T7704] ? rtnl_create_link+0xa6d/0xfd0 [ 591.977695][ T7704] ? batadv_get_sset_count+0x40/0x40 [ 591.983641][ T7704] batadv_softif_newlink+0x70/0x90 [ 591.988984][ T7704] __rtnl_newlink+0x1173/0x1930 [ 591.994237][ T7704] ? rtnl_link_unregister+0x260/0x260 [ 592.000548][ T7704] rtnl_newlink+0x67/0xa0 [ 592.004994][ T7704] ? __rtnl_newlink+0x1930/0x1930 [ 592.010306][ T7704] rtnetlink_rcv_msg+0x3c7/0xe00 [ 592.016144][ T7704] ? rtnl_getlink+0xb40/0xb40 [ 592.022188][ T7704] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 592.028852][ T7704] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 592.035435][ T7704] netlink_rcv_skb+0x16b/0x440 [ 592.040601][ T7704] ? rtnl_getlink+0xb40/0xb40 [ 592.045585][ T7704] ? netlink_ack+0x1370/0x1370 [ 592.050388][ T7704] ? lock_sync+0x190/0x190 [ 592.054872][ T7704] ? netlink_deliver_tap+0x1a0/0xd00 [ 592.060393][ T7704] ? _copy_from_iter+0x2c1/0x10f0 [ 592.065649][ T7704] netlink_unicast+0x53b/0x810 [ 592.071079][ T7704] ? netlink_attachskb+0x880/0x880 [ 592.076490][ T7704] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 592.082506][ T7704] ? __phys_addr_symbol+0x30/0x70 [ 592.087585][ T7704] ? __check_object_size+0x323/0x730 [ 592.093271][ T7704] netlink_sendmsg+0x93c/0xe40 [ 592.098262][ T7704] ? netlink_unicast+0x810/0x810 [ 592.103333][ T7704] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 592.108908][ T7704] ? netlink_unicast+0x810/0x810 [ 592.113887][ T7704] __sock_sendmsg+0xd5/0x180 [ 592.118510][ T7704] ____sys_sendmsg+0x6ac/0x940 [ 592.123565][ T7704] ? copy_msghdr_from_user+0x10b/0x160 [ 592.129165][ T7704] ? kernel_sendmsg+0x50/0x50 [ 592.136252][ T7704] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 592.142987][ T7704] ___sys_sendmsg+0x135/0x1d0 [ 592.147800][ T7704] ? do_recvmmsg+0x740/0x740 [ 592.152608][ T7704] ? find_held_lock+0x2d/0x110 [ 592.157686][ T7704] ? preempt_count_sub+0x150/0x150 [ 592.162843][ T7704] ? __fget_light+0x1fc/0x260 [ 592.167663][ T7704] __sys_sendmsg+0x117/0x1e0 [ 592.172289][ T7704] ? __sys_sendmsg_sock+0x30/0x30 [ 592.177545][ T7704] ? syscall_enter_from_user_mode+0x26/0x80 [ 592.183844][ T7704] do_syscall_64+0x3f/0x110 [ 592.188402][ T7704] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 592.194345][ T7704] RIP: 0033:0x7f2631248c19 [ 592.198803][ T7704] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 592.219159][ T7704] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 592.227926][ T7704] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 592.236123][ T7704] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 592.244214][ T7704] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 592.253003][ T7704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 592.261448][ T7704] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 592.269494][ T7704] [ 592.273229][ T7704] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 592.332742][ T7705] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 592.348348][ T7705] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 592.359400][ T7705] CPU: 1 PID: 7705 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 592.369695][ T7705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 592.380574][ T7705] Call Trace: [ 592.383961][ T7705] [ 592.386996][ T7705] dump_stack_lvl+0x125/0x1b0 [ 592.391801][ T7705] sysfs_warn_dup+0x7f/0xa0 [ 592.396518][ T7705] sysfs_create_dir_ns+0x247/0x2a0 [ 592.402057][ T7705] ? sysfs_create_mount_point+0xb0/0xb0 [ 592.408032][ T7705] ? spin_bug+0x1d0/0x1d0 [ 592.413117][ T7705] ? net_namespace+0x12/0x40 [ 592.418271][ T7705] ? device_namespace+0x8d/0xc0 [ 592.423775][ T7705] kobject_add_internal+0x2c8/0x960 [ 592.429640][ T7705] kobject_add+0x16f/0x240 [ 592.434372][ T7705] ? kset_create_and_add+0x190/0x190 [ 592.440690][ T7705] ? do_raw_spin_unlock+0x173/0x230 [ 592.447244][ T7705] ? kobject_put+0xbe/0x440 [ 592.452780][ T7705] ? device_add+0xc35/0x1aa0 [ 592.457530][ T7705] device_add+0x289/0x1aa0 [ 592.462193][ T7705] ? device_initialize+0x510/0x510 [ 592.467855][ T7705] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 592.479820][ T7705] ? __init_waitqueue_head+0xca/0x150 [ 592.486973][ T7705] netdev_register_kobject+0x183/0x3f0 [ 592.492687][ T7705] register_netdevice+0xbdf/0x14a0 [ 592.498051][ T7705] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 592.504479][ T7705] ? team_nl_cmd_noop+0x280/0x280 [ 592.509538][ T7705] team_newlink+0x92/0x160 [ 592.514006][ T7705] ? team_nl_cmd_noop+0x280/0x280 [ 592.519253][ T7705] ? rtnl_create_link+0xa6d/0xfd0 [ 592.524867][ T7705] __rtnl_newlink+0x1173/0x1930 [ 592.529991][ T7705] ? rtnl_link_unregister+0x260/0x260 [ 592.535798][ T7705] rtnl_newlink+0x67/0xa0 [ 592.540704][ T7705] ? __rtnl_newlink+0x1930/0x1930 [ 592.546134][ T7705] rtnetlink_rcv_msg+0x3c7/0xe00 [ 592.551195][ T7705] ? rtnl_getlink+0xb40/0xb40 [ 592.556241][ T7705] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 592.562341][ T7705] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 592.569066][ T7705] netlink_rcv_skb+0x16b/0x440 [ 592.574232][ T7705] ? rtnl_getlink+0xb40/0xb40 [ 592.579476][ T7705] ? netlink_ack+0x1370/0x1370 [ 592.584359][ T7705] ? lock_sync+0x190/0x190 [ 592.589006][ T7705] ? netlink_deliver_tap+0x1a0/0xd00 [ 592.594320][ T7705] ? _copy_from_iter+0x2c1/0x10f0 [ 592.599748][ T7705] netlink_unicast+0x53b/0x810 [ 592.604751][ T7705] ? netlink_attachskb+0x880/0x880 [ 592.609898][ T7705] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 592.615837][ T7705] ? __phys_addr_symbol+0x30/0x70 [ 592.621069][ T7705] ? __check_object_size+0x323/0x730 [ 592.626397][ T7705] netlink_sendmsg+0x93c/0xe40 [ 592.631468][ T7705] ? netlink_unicast+0x810/0x810 [ 592.636527][ T7705] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 592.641924][ T7705] ? netlink_unicast+0x810/0x810 [ 592.646985][ T7705] __sock_sendmsg+0xd5/0x180 [ 592.651979][ T7705] ____sys_sendmsg+0x6ac/0x940 [ 592.657130][ T7705] ? copy_msghdr_from_user+0x10b/0x160 [ 592.662632][ T7705] ? kernel_sendmsg+0x50/0x50 [ 592.667437][ T7705] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 592.674343][ T7705] ___sys_sendmsg+0x135/0x1d0 [ 592.679144][ T7705] ? do_recvmmsg+0x740/0x740 [ 592.684454][ T7705] ? find_held_lock+0x2d/0x110 [ 592.689351][ T7705] ? preempt_count_sub+0x150/0x150 [ 592.694679][ T7705] ? __fget_light+0x1fc/0x260 [ 592.699634][ T7705] __sys_sendmsg+0x117/0x1e0 [ 592.704521][ T7705] ? __sys_sendmsg_sock+0x30/0x30 [ 592.709682][ T7705] ? syscall_enter_from_user_mode+0x26/0x80 [ 592.715611][ T7705] do_syscall_64+0x3f/0x110 [ 592.720323][ T7705] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 592.726417][ T7705] RIP: 0033:0x7f2631248c19 [ 592.730854][ T7705] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 592.751938][ T7705] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 592.760474][ T7705] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 592.768469][ T7705] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 592.776560][ T7705] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 592.784636][ T7705] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 592.792772][ T7705] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 592.801235][ T7705] [ 592.817329][ T7705] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 592.853978][ T7705] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 592.863891][ T7705] CPU: 1 PID: 7705 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 592.874289][ T7705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 592.884986][ T7705] Call Trace: [ 592.888731][ T7705] [ 592.892057][ T7705] dump_stack_lvl+0x125/0x1b0 [ 592.896779][ T7705] sysfs_warn_dup+0x7f/0xa0 [ 592.901728][ T7705] sysfs_create_dir_ns+0x247/0x2a0 [ 592.907328][ T7705] ? sysfs_create_mount_point+0xb0/0xb0 [ 592.912928][ T7705] ? spin_bug+0x1d0/0x1d0 [ 592.917965][ T7705] ? net_namespace+0x12/0x40 [ 592.923021][ T7705] ? device_namespace+0x8d/0xc0 [ 592.928172][ T7705] kobject_add_internal+0x2c8/0x960 [ 592.934102][ T7705] kobject_add+0x16f/0x240 [ 592.939146][ T7705] ? kset_create_and_add+0x190/0x190 [ 592.944974][ T7705] ? do_raw_spin_unlock+0x173/0x230 [ 592.950372][ T7705] ? kobject_put+0xbe/0x440 [ 592.955666][ T7705] ? device_add+0xc35/0x1aa0 [ 592.960386][ T7705] device_add+0x289/0x1aa0 [ 592.964907][ T7705] ? device_initialize+0x510/0x510 [ 592.970128][ T7705] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 592.978123][ T7705] ? __init_waitqueue_head+0xca/0x150 [ 592.983770][ T7705] netdev_register_kobject+0x183/0x3f0 [ 592.989950][ T7705] register_netdevice+0xbdf/0x14a0 [ 592.995251][ T7705] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 593.001454][ T7705] ? validate_linkmsg+0x6fc/0x9c0 [ 593.006702][ T7705] ? rtnl_create_link+0xa6d/0xfd0 [ 593.011763][ T7705] ? batadv_get_sset_count+0x40/0x40 [ 593.017202][ T7705] batadv_softif_newlink+0x70/0x90 [ 593.022554][ T7705] __rtnl_newlink+0x1173/0x1930 [ 593.028173][ T7705] ? rtnl_link_unregister+0x260/0x260 [ 593.033894][ T7705] rtnl_newlink+0x67/0xa0 [ 593.038338][ T7705] ? __rtnl_newlink+0x1930/0x1930 [ 593.044784][ T7705] rtnetlink_rcv_msg+0x3c7/0xe00 [ 593.049794][ T7705] ? rtnl_getlink+0xb40/0xb40 [ 593.054934][ T7705] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 593.061495][ T7705] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 593.068755][ T7705] netlink_rcv_skb+0x16b/0x440 [ 593.073822][ T7705] ? rtnl_getlink+0xb40/0xb40 [ 593.078886][ T7705] ? netlink_ack+0x1370/0x1370 [ 593.085017][ T7705] ? lock_sync+0x190/0x190 [ 593.090812][ T7705] ? netlink_deliver_tap+0x1a0/0xd00 [ 593.096596][ T7705] ? _copy_from_iter+0x2c1/0x10f0 [ 593.102287][ T7705] netlink_unicast+0x53b/0x810 [ 593.107687][ T7705] ? netlink_attachskb+0x880/0x880 [ 593.113197][ T7705] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 593.119379][ T7705] ? __phys_addr_symbol+0x30/0x70 [ 593.124532][ T7705] ? __check_object_size+0x323/0x730 [ 593.130728][ T7705] netlink_sendmsg+0x93c/0xe40 [ 593.135996][ T7705] ? netlink_unicast+0x810/0x810 [ 593.141491][ T7705] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 593.147070][ T7705] ? netlink_unicast+0x810/0x810 [ 593.152042][ T7705] __sock_sendmsg+0xd5/0x180 [ 593.157026][ T7705] ____sys_sendmsg+0x6ac/0x940 [ 593.162263][ T7705] ? copy_msghdr_from_user+0x10b/0x160 [ 593.168035][ T7705] ? kernel_sendmsg+0x50/0x50 [ 593.172905][ T7705] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 593.179263][ T7705] ___sys_sendmsg+0x135/0x1d0 [ 593.184240][ T7705] ? do_recvmmsg+0x740/0x740 [ 593.189455][ T7705] ? find_held_lock+0x2d/0x110 [ 593.194278][ T7705] ? preempt_count_sub+0x150/0x150 [ 593.199497][ T7705] ? __fget_light+0x1fc/0x260 [ 593.204230][ T7705] __sys_sendmsg+0x117/0x1e0 [ 593.208831][ T7705] ? __sys_sendmsg_sock+0x30/0x30 [ 593.213993][ T7705] ? syscall_enter_from_user_mode+0x26/0x80 [ 593.219989][ T7705] do_syscall_64+0x3f/0x110 [ 593.224521][ T7705] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 593.230510][ T7705] RIP: 0033:0x7f2631248c19 [ 593.234954][ T7705] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 593.256059][ T7705] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 593.264722][ T7705] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 593.273250][ T7705] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 593.282474][ T7705] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 593.291086][ T7705] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 593.299775][ T7705] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 593.307895][ T7705] [ 593.318570][ T7705] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 593.437312][ T7706] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 593.450360][ T7706] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 593.461335][ T7706] CPU: 0 PID: 7706 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 593.474067][ T7706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 593.485215][ T7706] Call Trace: [ 593.489081][ T7706] [ 593.493874][ T7706] dump_stack_lvl+0x125/0x1b0 [ 593.499659][ T7706] sysfs_warn_dup+0x7f/0xa0 [ 593.506972][ T7706] sysfs_create_dir_ns+0x247/0x2a0 [ 593.512761][ T7706] ? sysfs_create_mount_point+0xb0/0xb0 [ 593.521411][ T7706] ? spin_bug+0x1d0/0x1d0 [ 593.525882][ T7706] ? net_namespace+0x12/0x40 [ 593.530617][ T7706] ? device_namespace+0x8d/0xc0 [ 593.535618][ T7706] kobject_add_internal+0x2c8/0x960 [ 593.540961][ T7706] kobject_add+0x16f/0x240 [ 593.545423][ T7706] ? kset_create_and_add+0x190/0x190 [ 593.550847][ T7706] ? do_raw_spin_unlock+0x173/0x230 [ 593.556357][ T7706] ? kobject_put+0xbe/0x440 [ 593.561090][ T7706] ? device_add+0xc35/0x1aa0 [ 593.565989][ T7706] device_add+0x289/0x1aa0 [ 593.570715][ T7706] ? device_initialize+0x510/0x510 [ 593.576307][ T7706] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 593.583304][ T7706] ? __init_waitqueue_head+0xca/0x150 [ 593.589083][ T7706] netdev_register_kobject+0x183/0x3f0 [ 593.594849][ T7706] register_netdevice+0xbdf/0x14a0 [ 593.600087][ T7706] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 593.606292][ T7706] ? team_nl_cmd_noop+0x280/0x280 [ 593.612045][ T7706] team_newlink+0x92/0x160 [ 593.616507][ T7706] ? team_nl_cmd_noop+0x280/0x280 [ 593.622543][ T7706] ? rtnl_create_link+0xa6d/0xfd0 [ 593.628234][ T7706] __rtnl_newlink+0x1173/0x1930 [ 593.633457][ T7706] ? rtnl_link_unregister+0x260/0x260 [ 593.639260][ T7706] rtnl_newlink+0x67/0xa0 [ 593.643933][ T7706] ? __rtnl_newlink+0x1930/0x1930 [ 593.648984][ T7706] rtnetlink_rcv_msg+0x3c7/0xe00 [ 593.654223][ T7706] ? rtnl_getlink+0xb40/0xb40 [ 593.659310][ T7706] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 593.667880][ T7706] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 593.674545][ T7706] netlink_rcv_skb+0x16b/0x440 [ 593.679860][ T7706] ? rtnl_getlink+0xb40/0xb40 [ 593.684761][ T7706] ? netlink_ack+0x1370/0x1370 [ 593.689834][ T7706] ? lock_sync+0x190/0x190 [ 593.695148][ T7706] ? netlink_deliver_tap+0x1a0/0xd00 [ 593.700821][ T7706] ? _copy_from_iter+0x2c1/0x10f0 [ 593.706164][ T7706] netlink_unicast+0x53b/0x810 [ 593.711159][ T7706] ? netlink_attachskb+0x880/0x880 [ 593.717694][ T7706] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 593.724143][ T7706] ? __phys_addr_symbol+0x30/0x70 [ 593.729288][ T7706] ? __check_object_size+0x323/0x730 [ 593.734813][ T7706] netlink_sendmsg+0x93c/0xe40 [ 593.739796][ T7706] ? netlink_unicast+0x810/0x810 [ 593.744791][ T7706] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 593.750370][ T7706] ? netlink_unicast+0x810/0x810 [ 593.755547][ T7706] __sock_sendmsg+0xd5/0x180 [ 593.760262][ T7706] ____sys_sendmsg+0x6ac/0x940 [ 593.765052][ T7706] ? copy_msghdr_from_user+0x10b/0x160 [ 593.770544][ T7706] ? kernel_sendmsg+0x50/0x50 [ 593.775429][ T7706] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 593.781898][ T7706] ___sys_sendmsg+0x135/0x1d0 [ 593.786722][ T7706] ? do_recvmmsg+0x740/0x740 [ 593.791458][ T7706] ? find_held_lock+0x2d/0x110 [ 593.796551][ T7706] ? preempt_count_sub+0x150/0x150 [ 593.801710][ T7706] ? __fget_light+0x1fc/0x260 [ 593.806877][ T7706] __sys_sendmsg+0x117/0x1e0 [ 593.811702][ T7706] ? __sys_sendmsg_sock+0x30/0x30 [ 593.816789][ T7706] ? syscall_enter_from_user_mode+0x26/0x80 [ 593.823073][ T7706] do_syscall_64+0x3f/0x110 [ 593.827909][ T7706] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 593.833833][ T7706] RIP: 0033:0x7f2631248c19 [ 593.838372][ T7706] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 593.858099][ T7706] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 593.866729][ T7706] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 593.874985][ T7706] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 593.883240][ T7706] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 593.891320][ T7706] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 593.899834][ T7706] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 593.908118][ T7706] [ 593.916459][ T7706] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 593.956407][ T7706] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 593.966501][ T7706] CPU: 0 PID: 7706 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 593.977211][ T7706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 593.989358][ T7706] Call Trace: [ 593.993263][ T7706] [ 593.996476][ T7706] dump_stack_lvl+0x125/0x1b0 [ 594.001737][ T7706] sysfs_warn_dup+0x7f/0xa0 [ 594.006386][ T7706] sysfs_create_dir_ns+0x247/0x2a0 [ 594.011998][ T7706] ? sysfs_create_mount_point+0xb0/0xb0 [ 594.017596][ T7706] ? spin_bug+0x1d0/0x1d0 [ 594.022415][ T7706] ? net_namespace+0x12/0x40 [ 594.027395][ T7706] ? device_namespace+0x8d/0xc0 [ 594.032548][ T7706] kobject_add_internal+0x2c8/0x960 [ 594.037988][ T7706] kobject_add+0x16f/0x240 [ 594.042583][ T7706] ? kset_create_and_add+0x190/0x190 [ 594.048003][ T7706] ? do_raw_spin_unlock+0x173/0x230 [ 594.053947][ T7706] ? kobject_put+0xbe/0x440 [ 594.058597][ T7706] ? device_add+0xc35/0x1aa0 [ 594.063468][ T7706] device_add+0x289/0x1aa0 [ 594.068985][ T7706] ? device_initialize+0x510/0x510 [ 594.074243][ T7706] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 594.081855][ T7706] ? __init_waitqueue_head+0xca/0x150 [ 594.088050][ T7706] netdev_register_kobject+0x183/0x3f0 [ 594.093750][ T7706] register_netdevice+0xbdf/0x14a0 [ 594.099080][ T7706] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 594.105275][ T7706] ? validate_linkmsg+0x6fc/0x9c0 [ 594.110780][ T7706] ? rtnl_create_link+0xa6d/0xfd0 [ 594.115830][ T7706] ? batadv_get_sset_count+0x40/0x40 [ 594.121159][ T7706] batadv_softif_newlink+0x70/0x90 [ 594.126296][ T7706] __rtnl_newlink+0x1173/0x1930 [ 594.131375][ T7706] ? rtnl_link_unregister+0x260/0x260 [ 594.136901][ T7706] rtnl_newlink+0x67/0xa0 [ 594.141257][ T7706] ? __rtnl_newlink+0x1930/0x1930 [ 594.146646][ T7706] rtnetlink_rcv_msg+0x3c7/0xe00 [ 594.151618][ T7706] ? rtnl_getlink+0xb40/0xb40 [ 594.156424][ T7706] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 594.162689][ T7706] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 594.168814][ T7706] netlink_rcv_skb+0x16b/0x440 [ 594.173815][ T7706] ? rtnl_getlink+0xb40/0xb40 [ 594.179343][ T7706] ? netlink_ack+0x1370/0x1370 [ 594.184143][ T7706] ? lock_sync+0x190/0x190 [ 594.188816][ T7706] ? netlink_deliver_tap+0x1a0/0xd00 [ 594.195120][ T7706] ? _copy_from_iter+0x2c1/0x10f0 [ 594.201431][ T7706] netlink_unicast+0x53b/0x810 [ 594.206326][ T7706] ? netlink_attachskb+0x880/0x880 [ 594.212168][ T7706] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 594.218534][ T7706] ? __phys_addr_symbol+0x30/0x70 [ 594.224637][ T7706] ? __check_object_size+0x323/0x730 [ 594.230492][ T7706] netlink_sendmsg+0x93c/0xe40 [ 594.235724][ T7706] ? netlink_unicast+0x810/0x810 [ 594.241033][ T7706] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 594.246709][ T7706] ? netlink_unicast+0x810/0x810 [ 594.252123][ T7706] __sock_sendmsg+0xd5/0x180 [ 594.257696][ T7706] ____sys_sendmsg+0x6ac/0x940 [ 594.262736][ T7706] ? copy_msghdr_from_user+0x10b/0x160 [ 594.269451][ T7706] ? kernel_sendmsg+0x50/0x50 [ 594.275653][ T7706] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 594.282537][ T7706] ___sys_sendmsg+0x135/0x1d0 [ 594.287966][ T7706] ? do_recvmmsg+0x740/0x740 [ 594.292957][ T7706] ? find_held_lock+0x2d/0x110 [ 594.298452][ T7706] ? preempt_count_sub+0x150/0x150 [ 594.303710][ T7706] ? __fget_light+0x1fc/0x260 [ 594.308807][ T7706] __sys_sendmsg+0x117/0x1e0 [ 594.313877][ T7706] ? __sys_sendmsg_sock+0x30/0x30 [ 594.319123][ T7706] ? syscall_enter_from_user_mode+0x26/0x80 [ 594.325505][ T7706] do_syscall_64+0x3f/0x110 [ 594.330165][ T7706] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 594.337029][ T7706] RIP: 0033:0x7f2631248c19 [ 594.342001][ T7706] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 594.363812][ T7706] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 594.372639][ T7706] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 594.381515][ T7706] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 594.390178][ T7706] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 594.398613][ T7706] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 594.408804][ T7706] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 594.418115][ T7706] [ 594.436095][ T7706] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 594.518292][ T7707] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 594.531599][ T7707] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 594.540934][ T7707] CPU: 0 PID: 7707 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 594.551383][ T7707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 594.561650][ T7707] Call Trace: [ 594.564936][ T7707] [ 594.567870][ T7707] dump_stack_lvl+0x125/0x1b0 [ 594.573149][ T7707] sysfs_warn_dup+0x7f/0xa0 [ 594.577849][ T7707] sysfs_create_dir_ns+0x247/0x2a0 [ 594.583153][ T7707] ? sysfs_create_mount_point+0xb0/0xb0 [ 594.588903][ T7707] ? spin_bug+0x1d0/0x1d0 [ 594.593472][ T7707] ? net_namespace+0x12/0x40 [ 594.599373][ T7707] ? device_namespace+0x8d/0xc0 [ 594.604715][ T7707] kobject_add_internal+0x2c8/0x960 [ 594.610039][ T7707] kobject_add+0x16f/0x240 [ 594.614570][ T7707] ? kset_create_and_add+0x190/0x190 [ 594.620336][ T7707] ? do_raw_spin_unlock+0x173/0x230 [ 594.625898][ T7707] ? kobject_put+0xbe/0x440 [ 594.630880][ T7707] ? device_add+0xc35/0x1aa0 [ 594.635593][ T7707] device_add+0x289/0x1aa0 [ 594.640024][ T7707] ? device_initialize+0x510/0x510 [ 594.645328][ T7707] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 594.652828][ T7707] ? __init_waitqueue_head+0xca/0x150 [ 594.658253][ T7707] netdev_register_kobject+0x183/0x3f0 [ 594.663732][ T7707] register_netdevice+0xbdf/0x14a0 [ 594.668866][ T7707] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 594.674941][ T7707] ? team_nl_cmd_noop+0x280/0x280 [ 594.680117][ T7707] team_newlink+0x92/0x160 [ 594.685177][ T7707] ? team_nl_cmd_noop+0x280/0x280 [ 594.690231][ T7707] ? rtnl_create_link+0xa6d/0xfd0 [ 594.695923][ T7707] __rtnl_newlink+0x1173/0x1930 [ 594.701168][ T7707] ? rtnl_link_unregister+0x260/0x260 [ 594.706670][ T7707] rtnl_newlink+0x67/0xa0 [ 594.711094][ T7707] ? __rtnl_newlink+0x1930/0x1930 [ 594.716929][ T7707] rtnetlink_rcv_msg+0x3c7/0xe00 [ 594.722096][ T7707] ? rtnl_getlink+0xb40/0xb40 [ 594.726892][ T7707] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 594.733322][ T7707] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 594.739336][ T7707] netlink_rcv_skb+0x16b/0x440 [ 594.744203][ T7707] ? rtnl_getlink+0xb40/0xb40 [ 594.749003][ T7707] ? netlink_ack+0x1370/0x1370 [ 594.753842][ T7707] ? lock_sync+0x190/0x190 [ 594.758472][ T7707] ? netlink_deliver_tap+0x1a0/0xd00 [ 594.763969][ T7707] ? _copy_from_iter+0x2c1/0x10f0 [ 594.769028][ T7707] netlink_unicast+0x53b/0x810 [ 594.774003][ T7707] ? netlink_attachskb+0x880/0x880 [ 594.779217][ T7707] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 594.785653][ T7707] ? __phys_addr_symbol+0x30/0x70 [ 594.790911][ T7707] ? __check_object_size+0x323/0x730 [ 594.796310][ T7707] netlink_sendmsg+0x93c/0xe40 [ 594.801112][ T7707] ? netlink_unicast+0x810/0x810 [ 594.806094][ T7707] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 594.811661][ T7707] ? netlink_unicast+0x810/0x810 [ 594.816701][ T7707] __sock_sendmsg+0xd5/0x180 [ 594.821417][ T7707] ____sys_sendmsg+0x6ac/0x940 [ 594.826201][ T7707] ? copy_msghdr_from_user+0x10b/0x160 [ 594.831673][ T7707] ? kernel_sendmsg+0x50/0x50 [ 594.836510][ T7707] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 594.847310][ T7707] ___sys_sendmsg+0x135/0x1d0 [ 594.852706][ T7707] ? do_recvmmsg+0x740/0x740 [ 594.857326][ T7707] ? find_held_lock+0x2d/0x110 [ 594.862132][ T7707] ? preempt_count_sub+0x150/0x150 [ 594.867405][ T7707] ? __fget_light+0x1fc/0x260 [ 594.873492][ T7707] __sys_sendmsg+0x117/0x1e0 [ 594.879137][ T7707] ? __sys_sendmsg_sock+0x30/0x30 [ 594.884452][ T7707] ? syscall_enter_from_user_mode+0x26/0x80 [ 594.890720][ T7707] do_syscall_64+0x3f/0x110 [ 594.895938][ T7707] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 594.902540][ T7707] RIP: 0033:0x7f2631248c19 [ 594.907165][ T7707] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 594.928555][ T7707] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 594.937594][ T7707] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 594.947244][ T7707] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 594.955451][ T7707] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 594.963817][ T7707] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 594.972231][ T7707] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 594.981872][ T7707] [ 594.986789][ T7707] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 595.019193][ T7707] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 595.029076][ T7707] CPU: 1 PID: 7707 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 595.039966][ T7707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 595.050151][ T7707] Call Trace: [ 595.053737][ T7707] [ 595.056921][ T7707] dump_stack_lvl+0x125/0x1b0 [ 595.061634][ T7707] sysfs_warn_dup+0x7f/0xa0 [ 595.066265][ T7707] sysfs_create_dir_ns+0x247/0x2a0 [ 595.071501][ T7707] ? sysfs_create_mount_point+0xb0/0xb0 [ 595.077360][ T7707] ? spin_bug+0x1d0/0x1d0 [ 595.081786][ T7707] ? net_namespace+0x12/0x40 [ 595.086808][ T7707] ? device_namespace+0x8d/0xc0 [ 595.091708][ T7707] kobject_add_internal+0x2c8/0x960 [ 595.096966][ T7707] kobject_add+0x16f/0x240 [ 595.101435][ T7707] ? kset_create_and_add+0x190/0x190 [ 595.107658][ T7707] ? do_raw_spin_unlock+0x173/0x230 [ 595.113290][ T7707] ? kobject_put+0xbe/0x440 [ 595.118115][ T7707] ? device_add+0xc35/0x1aa0 [ 595.122926][ T7707] device_add+0x289/0x1aa0 [ 595.127807][ T7707] ? device_initialize+0x510/0x510 [ 595.133519][ T7707] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 595.140521][ T7707] ? __init_waitqueue_head+0xca/0x150 [ 595.146133][ T7707] netdev_register_kobject+0x183/0x3f0 [ 595.151819][ T7707] register_netdevice+0xbdf/0x14a0 [ 595.157067][ T7707] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 595.164392][ T7707] ? validate_linkmsg+0x6fc/0x9c0 [ 595.169546][ T7707] ? rtnl_create_link+0xa6d/0xfd0 [ 595.174793][ T7707] ? batadv_get_sset_count+0x40/0x40 [ 595.180488][ T7707] batadv_softif_newlink+0x70/0x90 [ 595.185665][ T7707] __rtnl_newlink+0x1173/0x1930 [ 595.190586][ T7707] ? rtnl_link_unregister+0x260/0x260 [ 595.196489][ T7707] rtnl_newlink+0x67/0xa0 [ 595.201438][ T7707] ? __rtnl_newlink+0x1930/0x1930 [ 595.206940][ T7707] rtnetlink_rcv_msg+0x3c7/0xe00 [ 595.211932][ T7707] ? rtnl_getlink+0xb40/0xb40 [ 595.216817][ T7707] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 595.223095][ T7707] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 595.229249][ T7707] netlink_rcv_skb+0x16b/0x440 [ 595.234162][ T7707] ? rtnl_getlink+0xb40/0xb40 [ 595.238865][ T7707] ? netlink_ack+0x1370/0x1370 [ 595.243742][ T7707] ? lock_sync+0x190/0x190 [ 595.248392][ T7707] ? netlink_deliver_tap+0x1a0/0xd00 [ 595.254422][ T7707] ? _copy_from_iter+0x2c1/0x10f0 [ 595.260060][ T7707] netlink_unicast+0x53b/0x810 [ 595.265212][ T7707] ? netlink_attachskb+0x880/0x880 [ 595.270538][ T7707] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 595.276837][ T7707] ? __phys_addr_symbol+0x30/0x70 [ 595.282181][ T7707] ? __check_object_size+0x323/0x730 [ 595.287716][ T7707] netlink_sendmsg+0x93c/0xe40 [ 595.292708][ T7707] ? netlink_unicast+0x810/0x810 [ 595.298302][ T7707] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 595.303813][ T7707] ? netlink_unicast+0x810/0x810 [ 595.309214][ T7707] __sock_sendmsg+0xd5/0x180 [ 595.313918][ T7707] ____sys_sendmsg+0x6ac/0x940 [ 595.318824][ T7707] ? copy_msghdr_from_user+0x10b/0x160 [ 595.325018][ T7707] ? kernel_sendmsg+0x50/0x50 [ 595.329727][ T7707] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 595.335843][ T7707] ___sys_sendmsg+0x135/0x1d0 [ 595.340644][ T7707] ? do_recvmmsg+0x740/0x740 [ 595.345346][ T7707] ? find_held_lock+0x2d/0x110 [ 595.350338][ T7707] ? preempt_count_sub+0x150/0x150 [ 595.355753][ T7707] ? __fget_light+0x1fc/0x260 [ 595.360570][ T7707] __sys_sendmsg+0x117/0x1e0 [ 595.365272][ T7707] ? __sys_sendmsg_sock+0x30/0x30 [ 595.370356][ T7707] ? syscall_enter_from_user_mode+0x26/0x80 [ 595.376624][ T7707] do_syscall_64+0x3f/0x110 [ 595.381331][ T7707] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 595.387349][ T7707] RIP: 0033:0x7f2631248c19 [ 595.391957][ T7707] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 595.413002][ T7707] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 595.422956][ T7707] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 595.431656][ T7707] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 595.440089][ T7707] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 595.448880][ T7707] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 595.457064][ T7707] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 595.465960][ T7707] [ 595.482333][ T7707] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 595.540185][ T7708] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 595.551832][ T7708] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 595.561134][ T7708] CPU: 0 PID: 7708 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 595.571505][ T7708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 595.583022][ T7708] Call Trace: [ 595.586354][ T7708] [ 595.589493][ T7708] dump_stack_lvl+0x125/0x1b0 [ 595.594493][ T7708] sysfs_warn_dup+0x7f/0xa0 [ 595.599913][ T7708] sysfs_create_dir_ns+0x247/0x2a0 [ 595.605343][ T7708] ? sysfs_create_mount_point+0xb0/0xb0 [ 595.611138][ T7708] ? spin_bug+0x1d0/0x1d0 [ 595.615781][ T7708] ? net_namespace+0x12/0x40 [ 595.621291][ T7708] ? device_namespace+0x8d/0xc0 [ 595.626291][ T7708] kobject_add_internal+0x2c8/0x960 [ 595.631600][ T7708] kobject_add+0x16f/0x240 [ 595.636073][ T7708] ? kset_create_and_add+0x190/0x190 [ 595.641492][ T7708] ? do_raw_spin_unlock+0x173/0x230 [ 595.647020][ T7708] ? kobject_put+0xbe/0x440 [ 595.651659][ T7708] ? device_add+0xc35/0x1aa0 [ 595.656390][ T7708] device_add+0x289/0x1aa0 [ 595.660838][ T7708] ? device_initialize+0x510/0x510 [ 595.666175][ T7708] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 595.673152][ T7708] ? __init_waitqueue_head+0xca/0x150 [ 595.678828][ T7708] netdev_register_kobject+0x183/0x3f0 [ 595.684675][ T7708] register_netdevice+0xbdf/0x14a0 [ 595.689828][ T7708] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 595.695822][ T7708] ? team_nl_cmd_noop+0x280/0x280 [ 595.700972][ T7708] team_newlink+0x92/0x160 [ 595.705435][ T7708] ? team_nl_cmd_noop+0x280/0x280 [ 595.710682][ T7708] ? rtnl_create_link+0xa6d/0xfd0 [ 595.715942][ T7708] __rtnl_newlink+0x1173/0x1930 [ 595.721356][ T7708] ? rtnl_link_unregister+0x260/0x260 [ 595.726968][ T7708] rtnl_newlink+0x67/0xa0 [ 595.731342][ T7708] ? __rtnl_newlink+0x1930/0x1930 [ 595.736449][ T7708] rtnetlink_rcv_msg+0x3c7/0xe00 [ 595.741509][ T7708] ? rtnl_getlink+0xb40/0xb40 [ 595.746327][ T7708] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 595.752694][ T7708] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 595.758988][ T7708] netlink_rcv_skb+0x16b/0x440 [ 595.763793][ T7708] ? rtnl_getlink+0xb40/0xb40 [ 595.768963][ T7708] ? netlink_ack+0x1370/0x1370 [ 595.773866][ T7708] ? lock_sync+0x190/0x190 [ 595.778612][ T7708] ? netlink_deliver_tap+0x1a0/0xd00 [ 595.784305][ T7708] ? _copy_from_iter+0x2c1/0x10f0 [ 595.789639][ T7708] netlink_unicast+0x53b/0x810 [ 595.794709][ T7708] ? netlink_attachskb+0x880/0x880 [ 595.800045][ T7708] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 595.806176][ T7708] ? __phys_addr_symbol+0x30/0x70 [ 595.811414][ T7708] ? __check_object_size+0x323/0x730 [ 595.816843][ T7708] netlink_sendmsg+0x93c/0xe40 [ 595.821886][ T7708] ? netlink_unicast+0x810/0x810 [ 595.826984][ T7708] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 595.832478][ T7708] ? netlink_unicast+0x810/0x810 [ 595.837542][ T7708] __sock_sendmsg+0xd5/0x180 [ 595.842343][ T7708] ____sys_sendmsg+0x6ac/0x940 [ 595.847619][ T7708] ? copy_msghdr_from_user+0x10b/0x160 [ 595.853373][ T7708] ? kernel_sendmsg+0x50/0x50 [ 595.858604][ T7708] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 595.864984][ T7708] ___sys_sendmsg+0x135/0x1d0 [ 595.869866][ T7708] ? do_recvmmsg+0x740/0x740 [ 595.874659][ T7708] ? find_held_lock+0x2d/0x110 [ 595.879825][ T7708] ? preempt_count_sub+0x150/0x150 [ 595.885239][ T7708] ? __fget_light+0x1fc/0x260 [ 595.889953][ T7708] __sys_sendmsg+0x117/0x1e0 [ 595.894743][ T7708] ? __sys_sendmsg_sock+0x30/0x30 [ 595.899828][ T7708] ? syscall_enter_from_user_mode+0x26/0x80 [ 595.906300][ T7708] do_syscall_64+0x3f/0x110 [ 595.910927][ T7708] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 595.916934][ T7708] RIP: 0033:0x7f2631248c19 [ 595.921367][ T7708] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 595.941275][ T7708] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 595.950977][ T7708] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 595.959504][ T7708] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 595.968008][ T7708] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 595.977325][ T7708] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 595.986216][ T7708] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 595.994587][ T7708] [ 596.014434][ T7708] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 596.041086][ T7708] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 596.050308][ T7708] CPU: 0 PID: 7708 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 596.060677][ T7708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 596.070773][ T7708] Call Trace: [ 596.074158][ T7708] [ 596.077146][ T7708] dump_stack_lvl+0x125/0x1b0 [ 596.082703][ T7708] sysfs_warn_dup+0x7f/0xa0 [ 596.087370][ T7708] sysfs_create_dir_ns+0x247/0x2a0 [ 596.093409][ T7708] ? sysfs_create_mount_point+0xb0/0xb0 [ 596.099233][ T7708] ? spin_bug+0x1d0/0x1d0 [ 596.103776][ T7708] ? net_namespace+0x12/0x40 [ 596.109098][ T7708] ? device_namespace+0x8d/0xc0 [ 596.114261][ T7708] kobject_add_internal+0x2c8/0x960 [ 596.119758][ T7708] kobject_add+0x16f/0x240 [ 596.124554][ T7708] ? kset_create_and_add+0x190/0x190 [ 596.129951][ T7708] ? do_raw_spin_unlock+0x173/0x230 [ 596.135172][ T7708] ? kobject_put+0xbe/0x440 [ 596.139893][ T7708] ? device_add+0xc35/0x1aa0 [ 596.144516][ T7708] device_add+0x289/0x1aa0 [ 596.148959][ T7708] ? device_initialize+0x510/0x510 [ 596.154381][ T7708] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 596.161633][ T7708] ? __init_waitqueue_head+0xca/0x150 [ 596.168694][ T7708] netdev_register_kobject+0x183/0x3f0 [ 596.174337][ T7708] register_netdevice+0xbdf/0x14a0 [ 596.180131][ T7708] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 596.186586][ T7708] ? validate_linkmsg+0x6fc/0x9c0 [ 596.191740][ T7708] ? rtnl_create_link+0xa6d/0xfd0 [ 596.197085][ T7708] ? batadv_get_sset_count+0x40/0x40 [ 596.202602][ T7708] batadv_softif_newlink+0x70/0x90 [ 596.208366][ T7708] __rtnl_newlink+0x1173/0x1930 [ 596.213274][ T7708] ? rtnl_link_unregister+0x260/0x260 [ 596.218686][ T7708] rtnl_newlink+0x67/0xa0 [ 596.223131][ T7708] ? __rtnl_newlink+0x1930/0x1930 [ 596.228521][ T7708] rtnetlink_rcv_msg+0x3c7/0xe00 [ 596.233533][ T7708] ? rtnl_getlink+0xb40/0xb40 [ 596.238413][ T7708] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 596.244766][ T7708] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 596.250863][ T7708] netlink_rcv_skb+0x16b/0x440 [ 596.255653][ T7708] ? rtnl_getlink+0xb40/0xb40 [ 596.260440][ T7708] ? netlink_ack+0x1370/0x1370 [ 596.265477][ T7708] ? lock_sync+0x190/0x190 [ 596.270185][ T7708] ? netlink_deliver_tap+0x1a0/0xd00 [ 596.275666][ T7708] ? _copy_from_iter+0x2c1/0x10f0 [ 596.281515][ T7708] netlink_unicast+0x53b/0x810 [ 596.287096][ T7708] ? netlink_attachskb+0x880/0x880 [ 596.292371][ T7708] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 596.299358][ T7708] ? __phys_addr_symbol+0x30/0x70 [ 596.304535][ T7708] ? __check_object_size+0x323/0x730 [ 596.310066][ T7708] netlink_sendmsg+0x93c/0xe40 [ 596.314954][ T7708] ? netlink_unicast+0x810/0x810 [ 596.320110][ T7708] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 596.325700][ T7708] ? netlink_unicast+0x810/0x810 [ 596.331031][ T7708] __sock_sendmsg+0xd5/0x180 [ 596.335824][ T7708] ____sys_sendmsg+0x6ac/0x940 [ 596.340795][ T7708] ? copy_msghdr_from_user+0x10b/0x160 [ 596.346495][ T7708] ? kernel_sendmsg+0x50/0x50 [ 596.351322][ T7708] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 596.357446][ T7708] ___sys_sendmsg+0x135/0x1d0 [ 596.362254][ T7708] ? do_recvmmsg+0x740/0x740 [ 596.366955][ T7708] ? find_held_lock+0x2d/0x110 [ 596.371751][ T7708] ? preempt_count_sub+0x150/0x150 [ 596.377060][ T7708] ? __fget_light+0x1fc/0x260 [ 596.381972][ T7708] __sys_sendmsg+0x117/0x1e0 [ 596.387034][ T7708] ? __sys_sendmsg_sock+0x30/0x30 [ 596.392295][ T7708] ? syscall_enter_from_user_mode+0x26/0x80 [ 596.399109][ T7708] do_syscall_64+0x3f/0x110 [ 596.404459][ T7708] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 596.411244][ T7708] RIP: 0033:0x7f2631248c19 [ 596.416038][ T7708] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 596.442701][ T7708] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 596.451576][ T7708] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 596.460505][ T7708] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 596.470679][ T7708] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 596.479382][ T7708] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 596.488783][ T7708] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 596.499670][ T7708] [ 596.520690][ T7708] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 596.666552][ T7709] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 596.685949][ T7709] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 596.695503][ T7709] CPU: 1 PID: 7709 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 596.705606][ T7709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 596.715956][ T7709] Call Trace: [ 596.719259][ T7709] [ 596.723086][ T7709] dump_stack_lvl+0x125/0x1b0 [ 596.727943][ T7709] sysfs_warn_dup+0x7f/0xa0 [ 596.732692][ T7709] sysfs_create_dir_ns+0x247/0x2a0 [ 596.738005][ T7709] ? sysfs_create_mount_point+0xb0/0xb0 [ 596.743947][ T7709] ? spin_bug+0x1d0/0x1d0 [ 596.748580][ T7709] ? net_namespace+0x12/0x40 [ 596.753716][ T7709] ? device_namespace+0x8d/0xc0 [ 596.758976][ T7709] kobject_add_internal+0x2c8/0x960 [ 596.764438][ T7709] kobject_add+0x16f/0x240 [ 596.769382][ T7709] ? kset_create_and_add+0x190/0x190 [ 596.775644][ T7709] ? do_raw_spin_unlock+0x173/0x230 [ 596.781977][ T7709] ? kobject_put+0xbe/0x440 [ 596.786701][ T7709] ? device_add+0xc35/0x1aa0 [ 596.791692][ T7709] device_add+0x289/0x1aa0 [ 596.796311][ T7709] ? device_initialize+0x510/0x510 [ 596.801829][ T7709] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 596.809583][ T7709] ? __init_waitqueue_head+0xca/0x150 [ 596.815091][ T7709] netdev_register_kobject+0x183/0x3f0 [ 596.820669][ T7709] register_netdevice+0xbdf/0x14a0 [ 596.827595][ T7709] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 596.834383][ T7709] ? team_nl_cmd_noop+0x280/0x280 [ 596.839685][ T7709] team_newlink+0x92/0x160 [ 596.844119][ T7709] ? team_nl_cmd_noop+0x280/0x280 [ 596.849857][ T7709] ? rtnl_create_link+0xa6d/0xfd0 [ 596.855181][ T7709] __rtnl_newlink+0x1173/0x1930 [ 596.860513][ T7709] ? rtnl_link_unregister+0x260/0x260 [ 596.866126][ T7709] rtnl_newlink+0x67/0xa0 [ 596.870684][ T7709] ? __rtnl_newlink+0x1930/0x1930 [ 596.877033][ T7709] rtnetlink_rcv_msg+0x3c7/0xe00 [ 596.882342][ T7709] ? rtnl_getlink+0xb40/0xb40 [ 596.888016][ T7709] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 596.894029][ T7709] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 596.900038][ T7709] netlink_rcv_skb+0x16b/0x440 [ 596.904817][ T7709] ? rtnl_getlink+0xb40/0xb40 [ 596.909603][ T7709] ? netlink_ack+0x1370/0x1370 [ 596.914465][ T7709] ? lock_sync+0x190/0x190 [ 596.919017][ T7709] ? netlink_deliver_tap+0x1a0/0xd00 [ 596.924626][ T7709] ? _copy_from_iter+0x2c1/0x10f0 [ 596.929808][ T7709] netlink_unicast+0x53b/0x810 [ 596.934619][ T7709] ? netlink_attachskb+0x880/0x880 [ 596.940022][ T7709] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 596.946312][ T7709] ? __phys_addr_symbol+0x30/0x70 [ 596.951834][ T7709] ? __check_object_size+0x323/0x730 [ 596.957449][ T7709] netlink_sendmsg+0x93c/0xe40 [ 596.962430][ T7709] ? netlink_unicast+0x810/0x810 [ 596.967559][ T7709] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 596.973203][ T7709] ? netlink_unicast+0x810/0x810 [ 596.978240][ T7709] __sock_sendmsg+0xd5/0x180 [ 596.983458][ T7709] ____sys_sendmsg+0x6ac/0x940 [ 596.988345][ T7709] ? copy_msghdr_from_user+0x10b/0x160 [ 596.994189][ T7709] ? kernel_sendmsg+0x50/0x50 [ 596.998890][ T7709] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 597.005013][ T7709] ___sys_sendmsg+0x135/0x1d0 [ 597.009919][ T7709] ? do_recvmmsg+0x740/0x740 [ 597.014744][ T7709] ? find_held_lock+0x2d/0x110 [ 597.019775][ T7709] ? preempt_count_sub+0x150/0x150 [ 597.025200][ T7709] ? __fget_light+0x1fc/0x260 [ 597.031149][ T7709] __sys_sendmsg+0x117/0x1e0 [ 597.037346][ T7709] ? __sys_sendmsg_sock+0x30/0x30 [ 597.042861][ T7709] ? syscall_enter_from_user_mode+0x26/0x80 [ 597.048808][ T7709] do_syscall_64+0x3f/0x110 [ 597.053696][ T7709] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 597.059733][ T7709] RIP: 0033:0x7f2631248c19 [ 597.064429][ T7709] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 597.086407][ T7709] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 597.095498][ T7709] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 597.104485][ T7709] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 597.113253][ T7709] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 597.121751][ T7709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 597.130965][ T7709] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 597.139486][ T7709] [ 597.151700][ T7709] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 597.186248][ T7709] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 597.195894][ T7709] CPU: 1 PID: 7709 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 597.206518][ T7709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 597.216968][ T7709] Call Trace: [ 597.220392][ T7709] [ 597.223445][ T7709] dump_stack_lvl+0x125/0x1b0 [ 597.228519][ T7709] sysfs_warn_dup+0x7f/0xa0 [ 597.233072][ T7709] sysfs_create_dir_ns+0x247/0x2a0 [ 597.238572][ T7709] ? sysfs_create_mount_point+0xb0/0xb0 [ 597.244746][ T7709] ? spin_bug+0x1d0/0x1d0 [ 597.249291][ T7709] ? net_namespace+0x12/0x40 [ 597.254603][ T7709] ? device_namespace+0x8d/0xc0 [ 597.259714][ T7709] kobject_add_internal+0x2c8/0x960 [ 597.265159][ T7709] kobject_add+0x16f/0x240 [ 597.269722][ T7709] ? kset_create_and_add+0x190/0x190 [ 597.275256][ T7709] ? do_raw_spin_unlock+0x173/0x230 [ 597.281207][ T7709] ? kobject_put+0xbe/0x440 [ 597.285844][ T7709] ? device_add+0xc35/0x1aa0 [ 597.290646][ T7709] device_add+0x289/0x1aa0 [ 597.295452][ T7709] ? device_initialize+0x510/0x510 [ 597.301124][ T7709] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 597.308027][ T7709] ? __init_waitqueue_head+0xca/0x150 [ 597.313629][ T7709] netdev_register_kobject+0x183/0x3f0 [ 597.319323][ T7709] register_netdevice+0xbdf/0x14a0 [ 597.324620][ T7709] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 597.330667][ T7709] ? validate_linkmsg+0x6fc/0x9c0 [ 597.336018][ T7709] ? rtnl_create_link+0xa6d/0xfd0 [ 597.341177][ T7709] ? batadv_get_sset_count+0x40/0x40 [ 597.346596][ T7709] batadv_softif_newlink+0x70/0x90 [ 597.351758][ T7709] __rtnl_newlink+0x1173/0x1930 [ 597.356681][ T7709] ? rtnl_link_unregister+0x260/0x260 [ 597.362381][ T7709] rtnl_newlink+0x67/0xa0 [ 597.366851][ T7709] ? __rtnl_newlink+0x1930/0x1930 [ 597.372013][ T7709] rtnetlink_rcv_msg+0x3c7/0xe00 [ 597.377097][ T7709] ? rtnl_getlink+0xb40/0xb40 [ 597.381808][ T7709] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 597.388521][ T7709] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 597.395699][ T7709] netlink_rcv_skb+0x16b/0x440 [ 597.402625][ T7709] ? rtnl_getlink+0xb40/0xb40 [ 597.407350][ T7709] ? netlink_ack+0x1370/0x1370 [ 597.412825][ T7709] ? lock_sync+0x190/0x190 [ 597.417853][ T7709] ? netlink_deliver_tap+0x1a0/0xd00 [ 597.423568][ T7709] ? _copy_from_iter+0x2c1/0x10f0 [ 597.428835][ T7709] netlink_unicast+0x53b/0x810 [ 597.433647][ T7709] ? netlink_attachskb+0x880/0x880 [ 597.438806][ T7709] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 597.445041][ T7709] ? __phys_addr_symbol+0x30/0x70 [ 597.450115][ T7709] ? __check_object_size+0x323/0x730 [ 597.455754][ T7709] netlink_sendmsg+0x93c/0xe40 [ 597.461026][ T7709] ? netlink_unicast+0x810/0x810 [ 597.466735][ T7709] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 597.472629][ T7709] ? netlink_unicast+0x810/0x810 [ 597.478061][ T7709] __sock_sendmsg+0xd5/0x180 [ 597.484204][ T7709] ____sys_sendmsg+0x6ac/0x940 [ 597.489290][ T7709] ? copy_msghdr_from_user+0x10b/0x160 [ 597.494958][ T7709] ? kernel_sendmsg+0x50/0x50 [ 597.499969][ T7709] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 597.506267][ T7709] ___sys_sendmsg+0x135/0x1d0 [ 597.511069][ T7709] ? do_recvmmsg+0x740/0x740 [ 597.515772][ T7709] ? find_held_lock+0x2d/0x110 [ 597.520997][ T7709] ? preempt_count_sub+0x150/0x150 [ 597.527055][ T7709] ? __fget_light+0x1fc/0x260 [ 597.532127][ T7709] __sys_sendmsg+0x117/0x1e0 [ 597.536839][ T7709] ? __sys_sendmsg_sock+0x30/0x30 [ 597.541934][ T7709] ? syscall_enter_from_user_mode+0x26/0x80 [ 597.547952][ T7709] do_syscall_64+0x3f/0x110 [ 597.552678][ T7709] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 597.558691][ T7709] RIP: 0033:0x7f2631248c19 [ 597.563389][ T7709] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 597.584297][ T7709] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 597.593727][ T7709] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 597.601911][ T7709] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 597.610342][ T7709] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 597.618602][ T7709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 597.626654][ T7709] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 597.634769][ T7709] [ 597.640908][ T7709] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 597.792869][ T7710] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 597.806709][ T7710] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 597.818159][ T7710] CPU: 1 PID: 7710 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 597.828743][ T7710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 597.839263][ T7710] Call Trace: [ 597.842649][ T7710] [ 597.845604][ T7710] dump_stack_lvl+0x125/0x1b0 [ 597.850684][ T7710] sysfs_warn_dup+0x7f/0xa0 [ 597.855252][ T7710] sysfs_create_dir_ns+0x247/0x2a0 [ 597.860609][ T7710] ? sysfs_create_mount_point+0xb0/0xb0 [ 597.866395][ T7710] ? spin_bug+0x1d0/0x1d0 [ 597.870857][ T7710] ? net_namespace+0x12/0x40 [ 597.875473][ T7710] ? device_namespace+0x8d/0xc0 [ 597.880815][ T7710] kobject_add_internal+0x2c8/0x960 [ 597.886787][ T7710] kobject_add+0x16f/0x240 [ 597.892221][ T7710] ? kset_create_and_add+0x190/0x190 [ 597.898352][ T7710] ? do_raw_spin_unlock+0x173/0x230 [ 597.904641][ T7710] ? kobject_put+0xbe/0x440 [ 597.909461][ T7710] ? device_add+0xc35/0x1aa0 [ 597.914166][ T7710] device_add+0x289/0x1aa0 [ 597.918798][ T7710] ? device_initialize+0x510/0x510 [ 597.925520][ T7710] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 597.932504][ T7710] ? __init_waitqueue_head+0xca/0x150 [ 597.938185][ T7710] netdev_register_kobject+0x183/0x3f0 [ 597.943860][ T7710] register_netdevice+0xbdf/0x14a0 [ 597.949197][ T7710] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 597.955481][ T7710] ? team_nl_cmd_noop+0x280/0x280 [ 597.960724][ T7710] team_newlink+0x92/0x160 [ 597.965272][ T7710] ? team_nl_cmd_noop+0x280/0x280 [ 597.970328][ T7710] ? rtnl_create_link+0xa6d/0xfd0 [ 597.975677][ T7710] __rtnl_newlink+0x1173/0x1930 [ 597.980570][ T7710] ? rtnl_link_unregister+0x260/0x260 [ 597.986102][ T7710] rtnl_newlink+0x67/0xa0 [ 597.990489][ T7710] ? __rtnl_newlink+0x1930/0x1930 [ 597.995713][ T7710] rtnetlink_rcv_msg+0x3c7/0xe00 [ 598.000854][ T7710] ? rtnl_getlink+0xb40/0xb40 [ 598.005788][ T7710] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 598.011981][ T7710] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 598.018268][ T7710] netlink_rcv_skb+0x16b/0x440 [ 598.023330][ T7710] ? rtnl_getlink+0xb40/0xb40 [ 598.028310][ T7710] ? netlink_ack+0x1370/0x1370 [ 598.033277][ T7710] ? lock_sync+0x190/0x190 [ 598.038180][ T7710] ? netlink_deliver_tap+0x1a0/0xd00 [ 598.044100][ T7710] ? _copy_from_iter+0x2c1/0x10f0 [ 598.049725][ T7710] netlink_unicast+0x53b/0x810 [ 598.054824][ T7710] ? netlink_attachskb+0x880/0x880 [ 598.060140][ T7710] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 598.066769][ T7710] ? __phys_addr_symbol+0x30/0x70 [ 598.071912][ T7710] ? __check_object_size+0x323/0x730 [ 598.077435][ T7710] netlink_sendmsg+0x93c/0xe40 [ 598.082510][ T7710] ? netlink_unicast+0x810/0x810 [ 598.087490][ T7710] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 598.092803][ T7710] ? netlink_unicast+0x810/0x810 [ 598.098902][ T7710] __sock_sendmsg+0xd5/0x180 [ 598.103691][ T7710] ____sys_sendmsg+0x6ac/0x940 [ 598.108564][ T7710] ? copy_msghdr_from_user+0x10b/0x160 [ 598.114274][ T7710] ? kernel_sendmsg+0x50/0x50 [ 598.119003][ T7710] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 598.125038][ T7710] ___sys_sendmsg+0x135/0x1d0 [ 598.129787][ T7710] ? do_recvmmsg+0x740/0x740 [ 598.135110][ T7710] ? find_held_lock+0x2d/0x110 [ 598.140199][ T7710] ? preempt_count_sub+0x150/0x150 [ 598.145576][ T7710] ? __fget_light+0x1fc/0x260 [ 598.150313][ T7710] __sys_sendmsg+0x117/0x1e0 [ 598.155063][ T7710] ? __sys_sendmsg_sock+0x30/0x30 [ 598.160458][ T7710] ? syscall_enter_from_user_mode+0x26/0x80 [ 598.166589][ T7710] do_syscall_64+0x3f/0x110 [ 598.174992][ T7710] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 598.181284][ T7710] RIP: 0033:0x7f2631248c19 [ 598.185937][ T7710] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 598.206283][ T7710] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 598.214814][ T7710] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 598.222980][ T7710] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 598.231396][ T7710] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 598.239583][ T7710] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 598.247859][ T7710] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 598.257457][ T7710] [ 598.275477][ T7710] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 598.304000][ T7710] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 598.313444][ T7710] CPU: 0 PID: 7710 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 598.324310][ T7710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 598.335012][ T7710] Call Trace: [ 598.338849][ T7710] [ 598.342581][ T7710] dump_stack_lvl+0x125/0x1b0 [ 598.347483][ T7710] sysfs_warn_dup+0x7f/0xa0 [ 598.352380][ T7710] sysfs_create_dir_ns+0x247/0x2a0 [ 598.357636][ T7710] ? sysfs_create_mount_point+0xb0/0xb0 [ 598.363323][ T7710] ? spin_bug+0x1d0/0x1d0 [ 598.367695][ T7710] ? net_namespace+0x12/0x40 [ 598.372315][ T7710] ? device_namespace+0x8d/0xc0 [ 598.377299][ T7710] kobject_add_internal+0x2c8/0x960 [ 598.382554][ T7710] kobject_add+0x16f/0x240 [ 598.387020][ T7710] ? kset_create_and_add+0x190/0x190 [ 598.392345][ T7710] ? do_raw_spin_unlock+0x173/0x230 [ 598.397666][ T7710] ? kobject_put+0xbe/0x440 [ 598.402470][ T7710] ? device_add+0xc35/0x1aa0 [ 598.407613][ T7710] device_add+0x289/0x1aa0 [ 598.412054][ T7710] ? device_initialize+0x510/0x510 [ 598.418171][ T7710] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 598.427422][ T7710] ? __init_waitqueue_head+0xca/0x150 [ 598.434081][ T7710] netdev_register_kobject+0x183/0x3f0 [ 598.440405][ T7710] register_netdevice+0xbdf/0x14a0 [ 598.445825][ T7710] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 598.451943][ T7710] ? validate_linkmsg+0x6fc/0x9c0 [ 598.457210][ T7710] ? rtnl_create_link+0xa6d/0xfd0 [ 598.462545][ T7710] ? batadv_get_sset_count+0x40/0x40 [ 598.468147][ T7710] batadv_softif_newlink+0x70/0x90 [ 598.473473][ T7710] __rtnl_newlink+0x1173/0x1930 [ 598.478369][ T7710] ? rtnl_link_unregister+0x260/0x260 [ 598.484253][ T7710] rtnl_newlink+0x67/0xa0 [ 598.488846][ T7710] ? __rtnl_newlink+0x1930/0x1930 [ 598.493999][ T7710] rtnetlink_rcv_msg+0x3c7/0xe00 [ 598.499502][ T7710] ? rtnl_getlink+0xb40/0xb40 [ 598.504291][ T7710] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 598.510931][ T7710] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 598.516963][ T7710] netlink_rcv_skb+0x16b/0x440 [ 598.521843][ T7710] ? rtnl_getlink+0xb40/0xb40 [ 598.526837][ T7710] ? netlink_ack+0x1370/0x1370 [ 598.531804][ T7710] ? lock_sync+0x190/0x190 [ 598.536388][ T7710] ? netlink_deliver_tap+0x1a0/0xd00 [ 598.541967][ T7710] ? _copy_from_iter+0x2c1/0x10f0 [ 598.547236][ T7710] netlink_unicast+0x53b/0x810 [ 598.552301][ T7710] ? netlink_attachskb+0x880/0x880 [ 598.557626][ T7710] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 598.563630][ T7710] ? __phys_addr_symbol+0x30/0x70 [ 598.568856][ T7710] ? __check_object_size+0x323/0x730 [ 598.574324][ T7710] netlink_sendmsg+0x93c/0xe40 [ 598.579330][ T7710] ? netlink_unicast+0x810/0x810 [ 598.584478][ T7710] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 598.589796][ T7710] ? netlink_unicast+0x810/0x810 [ 598.594761][ T7710] __sock_sendmsg+0xd5/0x180 [ 598.599376][ T7710] ____sys_sendmsg+0x6ac/0x940 [ 598.604513][ T7710] ? copy_msghdr_from_user+0x10b/0x160 [ 598.610102][ T7710] ? kernel_sendmsg+0x50/0x50 [ 598.615266][ T7710] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 598.621422][ T7710] ___sys_sendmsg+0x135/0x1d0 [ 598.626271][ T7710] ? do_recvmmsg+0x740/0x740 [ 598.630892][ T7710] ? find_held_lock+0x2d/0x110 [ 598.635713][ T7710] ? preempt_count_sub+0x150/0x150 [ 598.641040][ T7710] ? __fget_light+0x1fc/0x260 [ 598.645842][ T7710] __sys_sendmsg+0x117/0x1e0 [ 598.650548][ T7710] ? __sys_sendmsg_sock+0x30/0x30 [ 598.655914][ T7710] ? xfd_validate_state+0x5d/0x180 [ 598.661099][ T7710] ? syscall_enter_from_user_mode+0x26/0x80 [ 598.667283][ T7710] do_syscall_64+0x3f/0x110 [ 598.672084][ T7710] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 598.678195][ T7710] RIP: 0033:0x7f2631248c19 [ 598.682908][ T7710] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 598.703600][ T7710] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 598.712686][ T7710] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 598.720772][ T7710] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 598.728774][ T7710] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 598.737034][ T7710] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 598.745271][ T7710] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 598.753636][ T7710] [ 598.773548][ T7710] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 598.825601][ T7711] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 598.837406][ T7711] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 598.847373][ T7711] CPU: 0 PID: 7711 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 598.858255][ T7711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 598.868857][ T7711] Call Trace: [ 598.872328][ T7711] [ 598.875459][ T7711] dump_stack_lvl+0x125/0x1b0 [ 598.880599][ T7711] sysfs_warn_dup+0x7f/0xa0 [ 598.885411][ T7711] sysfs_create_dir_ns+0x247/0x2a0 [ 598.890543][ T7711] ? sysfs_create_mount_point+0xb0/0xb0 [ 598.896210][ T7711] ? spin_bug+0x1d0/0x1d0 [ 598.900559][ T7711] ? net_namespace+0x12/0x40 [ 598.905161][ T7711] ? device_namespace+0x8d/0xc0 [ 598.910039][ T7711] kobject_add_internal+0x2c8/0x960 [ 598.915459][ T7711] kobject_add+0x16f/0x240 [ 598.919894][ T7711] ? kset_create_and_add+0x190/0x190 [ 598.925371][ T7711] ? do_raw_spin_unlock+0x173/0x230 [ 598.930676][ T7711] ? kobject_put+0xbe/0x440 [ 598.935195][ T7711] ? device_add+0xc35/0x1aa0 [ 598.939893][ T7711] device_add+0x289/0x1aa0 [ 598.944450][ T7711] ? device_initialize+0x510/0x510 [ 598.949678][ T7711] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 598.957172][ T7711] ? __init_waitqueue_head+0xca/0x150 [ 598.962856][ T7711] netdev_register_kobject+0x183/0x3f0 [ 598.968530][ T7711] register_netdevice+0xbdf/0x14a0 [ 598.973750][ T7711] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 598.980974][ T7711] ? team_nl_cmd_noop+0x280/0x280 [ 598.986706][ T7711] team_newlink+0x92/0x160 [ 598.991224][ T7711] ? team_nl_cmd_noop+0x280/0x280 [ 598.996434][ T7711] ? rtnl_create_link+0xa6d/0xfd0 [ 599.001479][ T7711] __rtnl_newlink+0x1173/0x1930 [ 599.006571][ T7711] ? rtnl_link_unregister+0x260/0x260 [ 599.012089][ T7711] rtnl_newlink+0x67/0xa0 [ 599.019391][ T7711] ? __rtnl_newlink+0x1930/0x1930 [ 599.024699][ T7711] rtnetlink_rcv_msg+0x3c7/0xe00 [ 599.030172][ T7711] ? rtnl_getlink+0xb40/0xb40 [ 599.035029][ T7711] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 599.041388][ T7711] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 599.048120][ T7711] netlink_rcv_skb+0x16b/0x440 [ 599.053102][ T7711] ? rtnl_getlink+0xb40/0xb40 [ 599.057881][ T7711] ? netlink_ack+0x1370/0x1370 [ 599.062830][ T7711] ? lock_sync+0x190/0x190 [ 599.067363][ T7711] ? netlink_deliver_tap+0x1a0/0xd00 [ 599.073355][ T7711] ? _copy_from_iter+0x2c1/0x10f0 [ 599.078836][ T7711] netlink_unicast+0x53b/0x810 [ 599.084232][ T7711] ? netlink_attachskb+0x880/0x880 [ 599.089530][ T7711] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 599.095974][ T7711] ? __phys_addr_symbol+0x30/0x70 [ 599.101117][ T7711] ? __check_object_size+0x323/0x730 [ 599.106604][ T7711] netlink_sendmsg+0x93c/0xe40 [ 599.111567][ T7711] ? netlink_unicast+0x810/0x810 [ 599.116708][ T7711] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 599.122619][ T7711] ? netlink_unicast+0x810/0x810 [ 599.127936][ T7711] __sock_sendmsg+0xd5/0x180 [ 599.132897][ T7711] ____sys_sendmsg+0x6ac/0x940 [ 599.138267][ T7711] ? copy_msghdr_from_user+0x10b/0x160 [ 599.143927][ T7711] ? kernel_sendmsg+0x50/0x50 [ 599.148646][ T7711] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 599.154760][ T7711] ___sys_sendmsg+0x135/0x1d0 [ 599.159772][ T7711] ? do_recvmmsg+0x740/0x740 [ 599.164394][ T7711] ? find_held_lock+0x2d/0x110 [ 599.169274][ T7711] ? preempt_count_sub+0x150/0x150 [ 599.174756][ T7711] ? __fget_light+0x1fc/0x260 [ 599.179625][ T7711] __sys_sendmsg+0x117/0x1e0 [ 599.184322][ T7711] ? __sys_sendmsg_sock+0x30/0x30 [ 599.190225][ T7711] ? syscall_enter_from_user_mode+0x26/0x80 [ 599.196195][ T7711] do_syscall_64+0x3f/0x110 [ 599.201062][ T7711] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 599.207224][ T7711] RIP: 0033:0x7f2631248c19 [ 599.211646][ T7711] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 599.231635][ T7711] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 599.240679][ T7711] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 599.248832][ T7711] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 599.257363][ T7711] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 599.265871][ T7711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 599.274201][ T7711] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 599.282805][ T7711] [ 599.300576][ T7711] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 599.329196][ T7711] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 599.339346][ T7711] CPU: 0 PID: 7711 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 599.349703][ T7711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 599.360754][ T7711] Call Trace: [ 599.364192][ T7711] [ 599.367264][ T7711] dump_stack_lvl+0x125/0x1b0 [ 599.372093][ T7711] sysfs_warn_dup+0x7f/0xa0 [ 599.376993][ T7711] sysfs_create_dir_ns+0x247/0x2a0 [ 599.382668][ T7711] ? sysfs_create_mount_point+0xb0/0xb0 [ 599.388513][ T7711] ? spin_bug+0x1d0/0x1d0 [ 599.392883][ T7711] ? net_namespace+0x12/0x40 [ 599.397759][ T7711] ? device_namespace+0x8d/0xc0 [ 599.402742][ T7711] kobject_add_internal+0x2c8/0x960 [ 599.408603][ T7711] kobject_add+0x16f/0x240 [ 599.413244][ T7711] ? kset_create_and_add+0x190/0x190 [ 599.418781][ T7711] ? do_raw_spin_unlock+0x173/0x230 [ 599.424893][ T7711] ? kobject_put+0xbe/0x440 [ 599.429536][ T7711] ? device_add+0xc35/0x1aa0 [ 599.434267][ T7711] device_add+0x289/0x1aa0 [ 599.439109][ T7711] ? device_initialize+0x510/0x510 [ 599.444445][ T7711] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 599.451612][ T7711] ? __init_waitqueue_head+0xca/0x150 [ 599.457327][ T7711] netdev_register_kobject+0x183/0x3f0 [ 599.463105][ T7711] register_netdevice+0xbdf/0x14a0 [ 599.468782][ T7711] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 599.475226][ T7711] ? validate_linkmsg+0x6fc/0x9c0 [ 599.480379][ T7711] ? rtnl_create_link+0xa6d/0xfd0 [ 599.485538][ T7711] ? batadv_get_sset_count+0x40/0x40 [ 599.491168][ T7711] batadv_softif_newlink+0x70/0x90 [ 599.496924][ T7711] __rtnl_newlink+0x1173/0x1930 [ 599.501909][ T7711] ? rtnl_link_unregister+0x260/0x260 [ 599.507536][ T7711] rtnl_newlink+0x67/0xa0 [ 599.512090][ T7711] ? __rtnl_newlink+0x1930/0x1930 [ 599.517160][ T7711] rtnetlink_rcv_msg+0x3c7/0xe00 [ 599.522317][ T7711] ? rtnl_getlink+0xb40/0xb40 [ 599.527210][ T7711] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 599.533401][ T7711] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 599.539442][ T7711] netlink_rcv_skb+0x16b/0x440 [ 599.544247][ T7711] ? rtnl_getlink+0xb40/0xb40 [ 599.548957][ T7711] ? netlink_ack+0x1370/0x1370 [ 599.553749][ T7711] ? lock_sync+0x190/0x190 [ 599.558226][ T7711] ? netlink_deliver_tap+0x1a0/0xd00 [ 599.563534][ T7711] ? _copy_from_iter+0x2c1/0x10f0 [ 599.568771][ T7711] netlink_unicast+0x53b/0x810 [ 599.573584][ T7711] ? netlink_attachskb+0x880/0x880 [ 599.578892][ T7711] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 599.585247][ T7711] ? __phys_addr_symbol+0x30/0x70 [ 599.590309][ T7711] ? __check_object_size+0x323/0x730 [ 599.595812][ T7711] netlink_sendmsg+0x93c/0xe40 [ 599.600701][ T7711] ? netlink_unicast+0x810/0x810 [ 599.605686][ T7711] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 599.611344][ T7711] ? netlink_unicast+0x810/0x810 [ 599.616413][ T7711] __sock_sendmsg+0xd5/0x180 [ 599.621041][ T7711] ____sys_sendmsg+0x6ac/0x940 [ 599.625913][ T7711] ? copy_msghdr_from_user+0x10b/0x160 [ 599.631838][ T7711] ? kernel_sendmsg+0x50/0x50 [ 599.636548][ T7711] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 599.642760][ T7711] ___sys_sendmsg+0x135/0x1d0 [ 599.647910][ T7711] ? do_recvmmsg+0x740/0x740 [ 599.652790][ T7711] ? find_held_lock+0x2d/0x110 [ 599.658086][ T7711] ? preempt_count_sub+0x150/0x150 [ 599.663782][ T7711] ? __fget_light+0x1fc/0x260 [ 599.669031][ T7711] __sys_sendmsg+0x117/0x1e0 [ 599.673857][ T7711] ? __sys_sendmsg_sock+0x30/0x30 [ 599.679266][ T7711] ? syscall_enter_from_user_mode+0x26/0x80 [ 599.685466][ T7711] do_syscall_64+0x3f/0x110 [ 599.690108][ T7711] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 599.696046][ T7711] RIP: 0033:0x7f2631248c19 [ 599.700486][ T7711] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 599.720501][ T7711] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 599.729465][ T7711] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 599.737542][ T7711] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 599.746101][ T7711] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 599.754774][ T7711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 599.762839][ T7711] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 599.771822][ T7711] [ 599.786006][ T7711] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 599.844305][ T7712] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 599.861958][ T7712] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 599.871704][ T7712] CPU: 1 PID: 7712 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 599.882677][ T7712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 599.893681][ T7712] Call Trace: [ 599.896979][ T7712] [ 599.899941][ T7712] dump_stack_lvl+0x125/0x1b0 [ 599.905095][ T7712] sysfs_warn_dup+0x7f/0xa0 [ 599.910687][ T7712] sysfs_create_dir_ns+0x247/0x2a0 [ 599.916450][ T7712] ? sysfs_create_mount_point+0xb0/0xb0 [ 599.922482][ T7712] ? spin_bug+0x1d0/0x1d0 [ 599.927045][ T7712] ? net_namespace+0x12/0x40 [ 599.931738][ T7712] ? device_namespace+0x8d/0xc0 [ 599.937149][ T7712] kobject_add_internal+0x2c8/0x960 [ 599.942415][ T7712] kobject_add+0x16f/0x240 [ 599.947047][ T7712] ? kset_create_and_add+0x190/0x190 [ 599.952632][ T7712] ? do_raw_spin_unlock+0x173/0x230 [ 599.957968][ T7712] ? kobject_put+0xbe/0x440 [ 599.962854][ T7712] ? device_add+0xc35/0x1aa0 [ 599.967641][ T7712] device_add+0x289/0x1aa0 [ 599.972158][ T7712] ? device_initialize+0x510/0x510 [ 599.977635][ T7712] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 599.984880][ T7712] ? __init_waitqueue_head+0xca/0x150 [ 599.990457][ T7712] netdev_register_kobject+0x183/0x3f0 [ 599.996392][ T7712] register_netdevice+0xbdf/0x14a0 [ 600.001721][ T7712] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 600.007664][ T7712] ? team_nl_cmd_noop+0x280/0x280 [ 600.013169][ T7712] team_newlink+0x92/0x160 [ 600.018234][ T7712] ? team_nl_cmd_noop+0x280/0x280 [ 600.023465][ T7712] ? rtnl_create_link+0xa6d/0xfd0 [ 600.028812][ T7712] __rtnl_newlink+0x1173/0x1930 [ 600.034236][ T7712] ? rtnl_link_unregister+0x260/0x260 [ 600.039861][ T7712] rtnl_newlink+0x67/0xa0 [ 600.044625][ T7712] ? __rtnl_newlink+0x1930/0x1930 [ 600.050360][ T7712] rtnetlink_rcv_msg+0x3c7/0xe00 [ 600.055941][ T7712] ? rtnl_getlink+0xb40/0xb40 [ 600.060822][ T7712] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 600.067465][ T7712] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 600.073586][ T7712] netlink_rcv_skb+0x16b/0x440 [ 600.078562][ T7712] ? rtnl_getlink+0xb40/0xb40 [ 600.083351][ T7712] ? netlink_ack+0x1370/0x1370 [ 600.088914][ T7712] ? lock_sync+0x190/0x190 [ 600.093361][ T7712] ? netlink_deliver_tap+0x1a0/0xd00 [ 600.099115][ T7712] ? _copy_from_iter+0x2c1/0x10f0 [ 600.104194][ T7712] netlink_unicast+0x53b/0x810 [ 600.109272][ T7712] ? netlink_attachskb+0x880/0x880 [ 600.114597][ T7712] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 600.120600][ T7712] ? __phys_addr_symbol+0x30/0x70 [ 600.126097][ T7712] ? __check_object_size+0x323/0x730 [ 600.131628][ T7712] netlink_sendmsg+0x93c/0xe40 [ 600.137224][ T7712] ? netlink_unicast+0x810/0x810 [ 600.142199][ T7712] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 600.147843][ T7712] ? netlink_unicast+0x810/0x810 [ 600.152920][ T7712] __sock_sendmsg+0xd5/0x180 [ 600.157889][ T7712] ____sys_sendmsg+0x6ac/0x940 [ 600.162859][ T7712] ? copy_msghdr_from_user+0x10b/0x160 [ 600.168993][ T7712] ? kernel_sendmsg+0x50/0x50 [ 600.173988][ T7712] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 600.180916][ T7712] ___sys_sendmsg+0x135/0x1d0 [ 600.185916][ T7712] ? do_recvmmsg+0x740/0x740 [ 600.191056][ T7712] ? find_held_lock+0x2d/0x110 [ 600.196769][ T7712] ? preempt_count_sub+0x150/0x150 [ 600.202984][ T7712] ? __fget_light+0x1fc/0x260 [ 600.208096][ T7712] __sys_sendmsg+0x117/0x1e0 [ 600.213540][ T7712] ? __sys_sendmsg_sock+0x30/0x30 [ 600.219025][ T7712] ? syscall_enter_from_user_mode+0x26/0x80 [ 600.225227][ T7712] do_syscall_64+0x3f/0x110 [ 600.230064][ T7712] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 600.236367][ T7712] RIP: 0033:0x7f2631248c19 [ 600.240882][ T7712] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 600.262209][ T7712] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 600.271530][ T7712] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 600.280001][ T7712] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 600.289505][ T7712] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 600.298271][ T7712] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 600.306885][ T7712] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 600.315500][ T7712] [ 600.321112][ T7712] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 600.366124][ T7712] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 600.378870][ T7712] CPU: 1 PID: 7712 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 600.390147][ T7712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 600.401617][ T7712] Call Trace: [ 600.405474][ T7712] [ 600.408447][ T7712] dump_stack_lvl+0x125/0x1b0 [ 600.413351][ T7712] sysfs_warn_dup+0x7f/0xa0 [ 600.419283][ T7712] sysfs_create_dir_ns+0x247/0x2a0 [ 600.424723][ T7712] ? sysfs_create_mount_point+0xb0/0xb0 [ 600.430664][ T7712] ? spin_bug+0x1d0/0x1d0 [ 600.435950][ T7712] ? net_namespace+0x12/0x40 [ 600.441454][ T7712] ? device_namespace+0x8d/0xc0 [ 600.446614][ T7712] kobject_add_internal+0x2c8/0x960 [ 600.452956][ T7712] kobject_add+0x16f/0x240 [ 600.457825][ T7712] ? kset_create_and_add+0x190/0x190 [ 600.463336][ T7712] ? do_raw_spin_unlock+0x173/0x230 [ 600.468681][ T7712] ? kobject_put+0xbe/0x440 [ 600.473852][ T7712] ? device_add+0xc35/0x1aa0 [ 600.478815][ T7712] device_add+0x289/0x1aa0 [ 600.483454][ T7712] ? device_initialize+0x510/0x510 [ 600.488711][ T7712] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 600.496406][ T7712] ? __init_waitqueue_head+0xca/0x150 [ 600.502084][ T7712] netdev_register_kobject+0x183/0x3f0 [ 600.507767][ T7712] register_netdevice+0xbdf/0x14a0 [ 600.512929][ T7712] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 600.519115][ T7712] ? validate_linkmsg+0x6fc/0x9c0 [ 600.524634][ T7712] ? rtnl_create_link+0xa6d/0xfd0 [ 600.529798][ T7712] ? batadv_get_sset_count+0x40/0x40 [ 600.535575][ T7712] batadv_softif_newlink+0x70/0x90 [ 600.540905][ T7712] __rtnl_newlink+0x1173/0x1930 [ 600.545993][ T7712] ? rtnl_link_unregister+0x260/0x260 [ 600.551427][ T7712] rtnl_newlink+0x67/0xa0 [ 600.555827][ T7712] ? __rtnl_newlink+0x1930/0x1930 [ 600.560878][ T7712] rtnetlink_rcv_msg+0x3c7/0xe00 [ 600.565928][ T7712] ? rtnl_getlink+0xb40/0xb40 [ 600.570845][ T7712] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 600.577304][ T7712] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 600.583433][ T7712] netlink_rcv_skb+0x16b/0x440 [ 600.588410][ T7712] ? rtnl_getlink+0xb40/0xb40 [ 600.593822][ T7712] ? netlink_ack+0x1370/0x1370 [ 600.599055][ T7712] ? lock_sync+0x190/0x190 [ 600.603613][ T7712] ? netlink_deliver_tap+0x1a0/0xd00 [ 600.609112][ T7712] ? _copy_from_iter+0x2c1/0x10f0 [ 600.614382][ T7712] netlink_unicast+0x53b/0x810 [ 600.621100][ T7712] ? netlink_attachskb+0x880/0x880 [ 600.626421][ T7712] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 600.632713][ T7712] ? __phys_addr_symbol+0x30/0x70 [ 600.638479][ T7712] ? __check_object_size+0x323/0x730 [ 600.644350][ T7712] netlink_sendmsg+0x93c/0xe40 [ 600.649359][ T7712] ? netlink_unicast+0x810/0x810 [ 600.654356][ T7712] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 600.659941][ T7712] ? netlink_unicast+0x810/0x810 [ 600.666087][ T7712] __sock_sendmsg+0xd5/0x180 [ 600.670733][ T7712] ____sys_sendmsg+0x6ac/0x940 [ 600.675637][ T7712] ? copy_msghdr_from_user+0x10b/0x160 [ 600.681401][ T7712] ? kernel_sendmsg+0x50/0x50 [ 600.686388][ T7712] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 600.692707][ T7712] ___sys_sendmsg+0x135/0x1d0 [ 600.697538][ T7712] ? do_recvmmsg+0x740/0x740 [ 600.702289][ T7712] ? find_held_lock+0x2d/0x110 [ 600.707560][ T7712] ? preempt_count_sub+0x150/0x150 [ 600.713038][ T7712] ? __fget_light+0x1fc/0x260 [ 600.718178][ T7712] __sys_sendmsg+0x117/0x1e0 [ 600.723059][ T7712] ? __sys_sendmsg_sock+0x30/0x30 [ 600.728303][ T7712] ? syscall_enter_from_user_mode+0x26/0x80 [ 600.734491][ T7712] do_syscall_64+0x3f/0x110 [ 600.739039][ T7712] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 600.745071][ T7712] RIP: 0033:0x7f2631248c19 [ 600.749874][ T7712] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 600.771425][ T7712] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 600.780128][ T7712] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 600.788316][ T7712] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 600.796322][ T7712] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 600.804332][ T7712] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 600.812412][ T7712] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 600.820524][ T7712] [ 600.835044][ T7712] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 600.900449][ T7713] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 600.913173][ T7713] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 600.922608][ T7713] CPU: 1 PID: 7713 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 600.933926][ T7713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 600.944617][ T7713] Call Trace: [ 600.948003][ T7713] [ 600.950965][ T7713] dump_stack_lvl+0x125/0x1b0 [ 600.955772][ T7713] sysfs_warn_dup+0x7f/0xa0 [ 600.960313][ T7713] sysfs_create_dir_ns+0x247/0x2a0 [ 600.965983][ T7713] ? sysfs_create_mount_point+0xb0/0xb0 [ 600.971824][ T7713] ? spin_bug+0x1d0/0x1d0 [ 600.976190][ T7713] ? net_namespace+0x12/0x40 [ 600.980787][ T7713] ? device_namespace+0x8d/0xc0 [ 600.985877][ T7713] kobject_add_internal+0x2c8/0x960 [ 600.991191][ T7713] kobject_add+0x16f/0x240 [ 600.995918][ T7713] ? kset_create_and_add+0x190/0x190 [ 601.001326][ T7713] ? do_raw_spin_unlock+0x173/0x230 [ 601.006635][ T7713] ? kobject_put+0xbe/0x440 [ 601.012050][ T7713] ? device_add+0xc35/0x1aa0 [ 601.017276][ T7713] device_add+0x289/0x1aa0 [ 601.022202][ T7713] ? device_initialize+0x510/0x510 [ 601.029210][ T7713] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 601.036619][ T7713] ? __init_waitqueue_head+0xca/0x150 [ 601.042438][ T7713] netdev_register_kobject+0x183/0x3f0 [ 601.048017][ T7713] register_netdevice+0xbdf/0x14a0 [ 601.053150][ T7713] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 601.059150][ T7713] ? team_nl_cmd_noop+0x280/0x280 [ 601.064299][ T7713] team_newlink+0x92/0x160 [ 601.068761][ T7713] ? team_nl_cmd_noop+0x280/0x280 [ 601.073908][ T7713] ? rtnl_create_link+0xa6d/0xfd0 [ 601.078965][ T7713] __rtnl_newlink+0x1173/0x1930 [ 601.084075][ T7713] ? rtnl_link_unregister+0x260/0x260 [ 601.089771][ T7713] rtnl_newlink+0x67/0xa0 [ 601.094218][ T7713] ? __rtnl_newlink+0x1930/0x1930 [ 601.099346][ T7713] rtnetlink_rcv_msg+0x3c7/0xe00 [ 601.104663][ T7713] ? rtnl_getlink+0xb40/0xb40 [ 601.109443][ T7713] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 601.115617][ T7713] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 601.122179][ T7713] netlink_rcv_skb+0x16b/0x440 [ 601.127155][ T7713] ? rtnl_getlink+0xb40/0xb40 [ 601.131966][ T7713] ? netlink_ack+0x1370/0x1370 [ 601.137362][ T7713] ? lock_sync+0x190/0x190 [ 601.141929][ T7713] ? netlink_deliver_tap+0x1a0/0xd00 [ 601.147350][ T7713] ? _copy_from_iter+0x2c1/0x10f0 [ 601.152603][ T7713] netlink_unicast+0x53b/0x810 [ 601.157396][ T7713] ? netlink_attachskb+0x880/0x880 [ 601.162604][ T7713] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 601.168620][ T7713] ? __phys_addr_symbol+0x30/0x70 [ 601.174033][ T7713] ? __check_object_size+0x323/0x730 [ 601.179531][ T7713] netlink_sendmsg+0x93c/0xe40 [ 601.184319][ T7713] ? netlink_unicast+0x810/0x810 [ 601.189544][ T7713] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 601.195186][ T7713] ? netlink_unicast+0x810/0x810 [ 601.200162][ T7713] __sock_sendmsg+0xd5/0x180 [ 601.204973][ T7713] ____sys_sendmsg+0x6ac/0x940 [ 601.209749][ T7713] ? copy_msghdr_from_user+0x10b/0x160 [ 601.215401][ T7713] ? kernel_sendmsg+0x50/0x50 [ 601.220280][ T7713] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 601.226328][ T7713] ___sys_sendmsg+0x135/0x1d0 [ 601.231505][ T7713] ? do_recvmmsg+0x740/0x740 [ 601.236193][ T7713] ? find_held_lock+0x2d/0x110 [ 601.241622][ T7713] ? preempt_count_sub+0x150/0x150 [ 601.246756][ T7713] ? __fget_light+0x1fc/0x260 [ 601.251737][ T7713] __sys_sendmsg+0x117/0x1e0 [ 601.256869][ T7713] ? __sys_sendmsg_sock+0x30/0x30 [ 601.262418][ T7713] ? syscall_enter_from_user_mode+0x26/0x80 [ 601.268449][ T7713] do_syscall_64+0x3f/0x110 [ 601.273263][ T7713] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 601.279375][ T7713] RIP: 0033:0x7f2631248c19 [ 601.283832][ T7713] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 601.304939][ T7713] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 601.313748][ T7713] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 601.322012][ T7713] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 601.330545][ T7713] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 601.338618][ T7713] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 601.346689][ T7713] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 601.355134][ T7713] [ 601.374321][ T7713] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 601.410412][ T7713] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 601.420813][ T7713] CPU: 1 PID: 7713 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 601.431527][ T7713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 601.442241][ T7713] Call Trace: [ 601.445554][ T7713] [ 601.448777][ T7713] dump_stack_lvl+0x125/0x1b0 [ 601.453939][ T7713] sysfs_warn_dup+0x7f/0xa0 [ 601.458579][ T7713] sysfs_create_dir_ns+0x247/0x2a0 [ 601.464038][ T7713] ? sysfs_create_mount_point+0xb0/0xb0 [ 601.469817][ T7713] ? spin_bug+0x1d0/0x1d0 [ 601.474289][ T7713] ? net_namespace+0x12/0x40 [ 601.478995][ T7713] ? device_namespace+0x8d/0xc0 [ 601.483926][ T7713] kobject_add_internal+0x2c8/0x960 [ 601.489276][ T7713] kobject_add+0x16f/0x240 [ 601.494102][ T7713] ? kset_create_and_add+0x190/0x190 [ 601.499795][ T7713] ? do_raw_spin_unlock+0x173/0x230 [ 601.505091][ T7713] ? kobject_put+0xbe/0x440 [ 601.509631][ T7713] ? device_add+0xc35/0x1aa0 [ 601.514251][ T7713] device_add+0x289/0x1aa0 [ 601.518881][ T7713] ? device_initialize+0x510/0x510 [ 601.524220][ T7713] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 601.531288][ T7713] ? __init_waitqueue_head+0xca/0x150 [ 601.536789][ T7713] netdev_register_kobject+0x183/0x3f0 [ 601.542290][ T7713] register_netdevice+0xbdf/0x14a0 [ 601.547699][ T7713] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 601.553884][ T7713] ? validate_linkmsg+0x6fc/0x9c0 [ 601.559393][ T7713] ? rtnl_create_link+0xa6d/0xfd0 [ 601.564464][ T7713] ? batadv_get_sset_count+0x40/0x40 [ 601.569884][ T7713] batadv_softif_newlink+0x70/0x90 [ 601.575034][ T7713] __rtnl_newlink+0x1173/0x1930 [ 601.580093][ T7713] ? rtnl_link_unregister+0x260/0x260 [ 601.585616][ T7713] rtnl_newlink+0x67/0xa0 [ 601.590087][ T7713] ? __rtnl_newlink+0x1930/0x1930 [ 601.595234][ T7713] rtnetlink_rcv_msg+0x3c7/0xe00 [ 601.600294][ T7713] ? rtnl_getlink+0xb40/0xb40 [ 601.605274][ T7713] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 601.611502][ T7713] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 601.618588][ T7713] netlink_rcv_skb+0x16b/0x440 [ 601.623991][ T7713] ? rtnl_getlink+0xb40/0xb40 [ 601.628796][ T7713] ? netlink_ack+0x1370/0x1370 [ 601.633780][ T7713] ? lock_sync+0x190/0x190 [ 601.638704][ T7713] ? netlink_deliver_tap+0x1a0/0xd00 [ 601.644112][ T7713] ? _copy_from_iter+0x2c1/0x10f0 [ 601.649293][ T7713] netlink_unicast+0x53b/0x810 [ 601.654115][ T7713] ? netlink_attachskb+0x880/0x880 [ 601.659350][ T7713] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 601.666056][ T7713] ? __phys_addr_symbol+0x30/0x70 [ 601.671723][ T7713] ? __check_object_size+0x323/0x730 [ 601.677324][ T7713] netlink_sendmsg+0x93c/0xe40 [ 601.682132][ T7713] ? netlink_unicast+0x810/0x810 [ 601.687142][ T7713] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 601.692825][ T7713] ? netlink_unicast+0x810/0x810 [ 601.697956][ T7713] __sock_sendmsg+0xd5/0x180 [ 601.702757][ T7713] ____sys_sendmsg+0x6ac/0x940 [ 601.707945][ T7713] ? copy_msghdr_from_user+0x10b/0x160 [ 601.713947][ T7713] ? kernel_sendmsg+0x50/0x50 [ 601.719022][ T7713] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 601.725413][ T7713] ___sys_sendmsg+0x135/0x1d0 [ 601.730309][ T7713] ? do_recvmmsg+0x740/0x740 [ 601.735570][ T7713] ? find_held_lock+0x2d/0x110 [ 601.740816][ T7713] ? preempt_count_sub+0x150/0x150 [ 601.746427][ T7713] ? __fget_light+0x1fc/0x260 [ 601.751593][ T7713] __sys_sendmsg+0x117/0x1e0 [ 601.756441][ T7713] ? __sys_sendmsg_sock+0x30/0x30 [ 601.761895][ T7713] ? syscall_enter_from_user_mode+0x26/0x80 [ 601.767932][ T7713] do_syscall_64+0x3f/0x110 [ 601.772914][ T7713] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 601.778926][ T7713] RIP: 0033:0x7f2631248c19 [ 601.783478][ T7713] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 601.804177][ T7713] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 601.812713][ T7713] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 601.820798][ T7713] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 601.829137][ T7713] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 601.837267][ T7713] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 601.845516][ T7713] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 601.853610][ T7713] [ 601.870772][ T7713] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 601.974123][ T7714] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 601.986945][ T7714] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 601.997870][ T7714] CPU: 1 PID: 7714 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 602.008079][ T7714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 602.018426][ T7714] Call Trace: [ 602.021723][ T7714] [ 602.024931][ T7714] dump_stack_lvl+0x125/0x1b0 [ 602.029915][ T7714] sysfs_warn_dup+0x7f/0xa0 [ 602.034486][ T7714] sysfs_create_dir_ns+0x247/0x2a0 [ 602.039738][ T7714] ? sysfs_create_mount_point+0xb0/0xb0 [ 602.045336][ T7714] ? spin_bug+0x1d0/0x1d0 [ 602.049703][ T7714] ? net_namespace+0x12/0x40 [ 602.054498][ T7714] ? device_namespace+0x8d/0xc0 [ 602.059390][ T7714] kobject_add_internal+0x2c8/0x960 [ 602.064909][ T7714] kobject_add+0x16f/0x240 [ 602.069462][ T7714] ? kset_create_and_add+0x190/0x190 [ 602.075664][ T7714] ? do_raw_spin_unlock+0x173/0x230 [ 602.081077][ T7714] ? kobject_put+0xbe/0x440 [ 602.085795][ T7714] ? device_add+0xc35/0x1aa0 [ 602.090512][ T7714] device_add+0x289/0x1aa0 [ 602.094977][ T7714] ? device_initialize+0x510/0x510 [ 602.100302][ T7714] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 602.107269][ T7714] ? __init_waitqueue_head+0xca/0x150 [ 602.112843][ T7714] netdev_register_kobject+0x183/0x3f0 [ 602.118330][ T7714] register_netdevice+0xbdf/0x14a0 [ 602.123869][ T7714] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 602.129795][ T7714] ? team_nl_cmd_noop+0x280/0x280 [ 602.135028][ T7714] team_newlink+0x92/0x160 [ 602.139638][ T7714] ? team_nl_cmd_noop+0x280/0x280 [ 602.144862][ T7714] ? rtnl_create_link+0xa6d/0xfd0 [ 602.149920][ T7714] __rtnl_newlink+0x1173/0x1930 [ 602.154794][ T7714] ? rtnl_link_unregister+0x260/0x260 [ 602.160382][ T7714] rtnl_newlink+0x67/0xa0 [ 602.164717][ T7714] ? __rtnl_newlink+0x1930/0x1930 [ 602.169847][ T7714] rtnetlink_rcv_msg+0x3c7/0xe00 [ 602.174799][ T7714] ? rtnl_getlink+0xb40/0xb40 [ 602.179482][ T7714] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 602.185739][ T7714] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 602.191751][ T7714] netlink_rcv_skb+0x16b/0x440 [ 602.196926][ T7714] ? rtnl_getlink+0xb40/0xb40 [ 602.201627][ T7714] ? netlink_ack+0x1370/0x1370 [ 602.206403][ T7714] ? lock_sync+0x190/0x190 [ 602.210972][ T7714] ? netlink_deliver_tap+0x1a0/0xd00 [ 602.216529][ T7714] ? _copy_from_iter+0x2c1/0x10f0 [ 602.221690][ T7714] netlink_unicast+0x53b/0x810 [ 602.226520][ T7714] ? netlink_attachskb+0x880/0x880 [ 602.231818][ T7714] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 602.238089][ T7714] ? __phys_addr_symbol+0x30/0x70 [ 602.243218][ T7714] ? __check_object_size+0x323/0x730 [ 602.248614][ T7714] netlink_sendmsg+0x93c/0xe40 [ 602.253403][ T7714] ? netlink_unicast+0x810/0x810 [ 602.258628][ T7714] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 602.264066][ T7714] ? netlink_unicast+0x810/0x810 [ 602.269214][ T7714] __sock_sendmsg+0xd5/0x180 [ 602.273931][ T7714] ____sys_sendmsg+0x6ac/0x940 [ 602.278705][ T7714] ? copy_msghdr_from_user+0x10b/0x160 [ 602.284434][ T7714] ? kernel_sendmsg+0x50/0x50 [ 602.289298][ T7714] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 602.295578][ T7714] ___sys_sendmsg+0x135/0x1d0 [ 602.300304][ T7714] ? do_recvmmsg+0x740/0x740 [ 602.305265][ T7714] ? find_held_lock+0x2d/0x110 [ 602.310058][ T7714] ? preempt_count_sub+0x150/0x150 [ 602.315201][ T7714] ? __fget_light+0x1fc/0x260 [ 602.319995][ T7714] __sys_sendmsg+0x117/0x1e0 [ 602.324601][ T7714] ? __sys_sendmsg_sock+0x30/0x30 [ 602.329934][ T7714] ? syscall_enter_from_user_mode+0x26/0x80 [ 602.335862][ T7714] do_syscall_64+0x3f/0x110 [ 602.340518][ T7714] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 602.346422][ T7714] RIP: 0033:0x7f2631248c19 [ 602.350946][ T7714] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 602.370836][ T7714] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 602.379260][ T7714] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 602.387410][ T7714] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 602.395398][ T7714] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 602.403637][ T7714] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 602.412156][ T7714] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 602.421171][ T7714] [ 602.426387][ T7714] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 602.453638][ T7714] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 602.462953][ T7714] CPU: 0 PID: 7714 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 602.473574][ T7714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 602.484012][ T7714] Call Trace: [ 602.487307][ T7714] [ 602.490345][ T7714] dump_stack_lvl+0x125/0x1b0 [ 602.495148][ T7714] sysfs_warn_dup+0x7f/0xa0 [ 602.499952][ T7714] sysfs_create_dir_ns+0x247/0x2a0 [ 602.505107][ T7714] ? sysfs_create_mount_point+0xb0/0xb0 [ 602.510693][ T7714] ? spin_bug+0x1d0/0x1d0 [ 602.515154][ T7714] ? net_namespace+0x12/0x40 [ 602.519773][ T7714] ? device_namespace+0x8d/0xc0 [ 602.524833][ T7714] kobject_add_internal+0x2c8/0x960 [ 602.530337][ T7714] kobject_add+0x16f/0x240 [ 602.534791][ T7714] ? kset_create_and_add+0x190/0x190 [ 602.540217][ T7714] ? do_raw_spin_unlock+0x173/0x230 [ 602.545807][ T7714] ? kobject_put+0xbe/0x440 [ 602.550345][ T7714] ? device_add+0xc35/0x1aa0 [ 602.554975][ T7714] device_add+0x289/0x1aa0 [ 602.559427][ T7714] ? device_initialize+0x510/0x510 [ 602.564847][ T7714] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 602.571762][ T7714] ? __init_waitqueue_head+0xca/0x150 [ 602.577201][ T7714] netdev_register_kobject+0x183/0x3f0 [ 602.582697][ T7714] register_netdevice+0xbdf/0x14a0 [ 602.587857][ T7714] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 602.593778][ T7714] ? validate_linkmsg+0x6fc/0x9c0 [ 602.599042][ T7714] ? rtnl_create_link+0xa6d/0xfd0 [ 602.604290][ T7714] ? batadv_get_sset_count+0x40/0x40 [ 602.609610][ T7714] batadv_softif_newlink+0x70/0x90 [ 602.614853][ T7714] __rtnl_newlink+0x1173/0x1930 [ 602.619753][ T7714] ? rtnl_link_unregister+0x260/0x260 [ 602.625277][ T7714] rtnl_newlink+0x67/0xa0 [ 602.629635][ T7714] ? __rtnl_newlink+0x1930/0x1930 [ 602.634867][ T7714] rtnetlink_rcv_msg+0x3c7/0xe00 [ 602.640099][ T7714] ? rtnl_getlink+0xb40/0xb40 [ 602.645000][ T7714] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 602.651404][ T7714] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 602.657817][ T7714] netlink_rcv_skb+0x16b/0x440 [ 602.662628][ T7714] ? rtnl_getlink+0xb40/0xb40 [ 602.667527][ T7714] ? netlink_ack+0x1370/0x1370 [ 602.672723][ T7714] ? lock_sync+0x190/0x190 [ 602.677385][ T7714] ? netlink_deliver_tap+0x1a0/0xd00 [ 602.683578][ T7714] ? _copy_from_iter+0x2c1/0x10f0 [ 602.688658][ T7714] netlink_unicast+0x53b/0x810 [ 602.693558][ T7714] ? netlink_attachskb+0x880/0x880 [ 602.698980][ T7714] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 602.705372][ T7714] ? __phys_addr_symbol+0x30/0x70 [ 602.710786][ T7714] ? __check_object_size+0x323/0x730 [ 602.716609][ T7714] netlink_sendmsg+0x93c/0xe40 [ 602.721793][ T7714] ? netlink_unicast+0x810/0x810 [ 602.727060][ T7714] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 602.732567][ T7714] ? netlink_unicast+0x810/0x810 [ 602.737548][ T7714] __sock_sendmsg+0xd5/0x180 [ 602.742254][ T7714] ____sys_sendmsg+0x6ac/0x940 [ 602.747136][ T7714] ? copy_msghdr_from_user+0x10b/0x160 [ 602.753607][ T7714] ? kernel_sendmsg+0x50/0x50 [ 602.758580][ T7714] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 602.764743][ T7714] ___sys_sendmsg+0x135/0x1d0 [ 602.769541][ T7714] ? do_recvmmsg+0x740/0x740 [ 602.775304][ T7714] ? find_held_lock+0x2d/0x110 [ 602.780134][ T7714] ? preempt_count_sub+0x150/0x150 [ 602.785452][ T7714] ? __fget_light+0x1fc/0x260 [ 602.790443][ T7714] __sys_sendmsg+0x117/0x1e0 [ 602.795227][ T7714] ? __sys_sendmsg_sock+0x30/0x30 [ 602.800404][ T7714] ? syscall_enter_from_user_mode+0x26/0x80 [ 602.806351][ T7714] do_syscall_64+0x3f/0x110 [ 602.811008][ T7714] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 602.817294][ T7714] RIP: 0033:0x7f2631248c19 [ 602.822522][ T7714] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 602.842861][ T7714] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 602.852447][ T7714] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 602.860630][ T7714] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 602.869019][ T7714] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 602.877037][ T7714] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 602.885116][ T7714] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 602.893391][ T7714] [ 602.898685][ T7714] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 602.952020][ T7715] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 602.964986][ T7715] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 602.974502][ T7715] CPU: 0 PID: 7715 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 602.985352][ T7715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 602.995776][ T7715] Call Trace: [ 602.999419][ T7715] [ 603.002548][ T7715] dump_stack_lvl+0x125/0x1b0 [ 603.007459][ T7715] sysfs_warn_dup+0x7f/0xa0 [ 603.012091][ T7715] sysfs_create_dir_ns+0x247/0x2a0 [ 603.017430][ T7715] ? sysfs_create_mount_point+0xb0/0xb0 [ 603.023133][ T7715] ? spin_bug+0x1d0/0x1d0 [ 603.027528][ T7715] ? net_namespace+0x12/0x40 [ 603.032238][ T7715] ? device_namespace+0x8d/0xc0 [ 603.037228][ T7715] kobject_add_internal+0x2c8/0x960 [ 603.042919][ T7715] kobject_add+0x16f/0x240 [ 603.047385][ T7715] ? kset_create_and_add+0x190/0x190 [ 603.053072][ T7715] ? do_raw_spin_unlock+0x173/0x230 [ 603.058315][ T7715] ? kobject_put+0xbe/0x440 [ 603.063117][ T7715] ? device_add+0xc35/0x1aa0 [ 603.067937][ T7715] device_add+0x289/0x1aa0 [ 603.072498][ T7715] ? device_initialize+0x510/0x510 [ 603.077765][ T7715] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 603.084846][ T7715] ? __init_waitqueue_head+0xca/0x150 [ 603.090348][ T7715] netdev_register_kobject+0x183/0x3f0 [ 603.095847][ T7715] register_netdevice+0xbdf/0x14a0 [ 603.100990][ T7715] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 603.107181][ T7715] ? team_nl_cmd_noop+0x280/0x280 [ 603.112498][ T7715] team_newlink+0x92/0x160 [ 603.117051][ T7715] ? team_nl_cmd_noop+0x280/0x280 [ 603.122200][ T7715] ? rtnl_create_link+0xa6d/0xfd0 [ 603.127298][ T7715] __rtnl_newlink+0x1173/0x1930 [ 603.132208][ T7715] ? rtnl_link_unregister+0x260/0x260 [ 603.137654][ T7715] rtnl_newlink+0x67/0xa0 [ 603.142011][ T7715] ? __rtnl_newlink+0x1930/0x1930 [ 603.147238][ T7715] rtnetlink_rcv_msg+0x3c7/0xe00 [ 603.152297][ T7715] ? rtnl_getlink+0xb40/0xb40 [ 603.157093][ T7715] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 603.163122][ T7715] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 603.169240][ T7715] netlink_rcv_skb+0x16b/0x440 [ 603.174053][ T7715] ? rtnl_getlink+0xb40/0xb40 [ 603.178793][ T7715] ? netlink_ack+0x1370/0x1370 [ 603.183816][ T7715] ? lock_sync+0x190/0x190 [ 603.188330][ T7715] ? netlink_deliver_tap+0x1a0/0xd00 [ 603.193912][ T7715] ? _copy_from_iter+0x2c1/0x10f0 [ 603.199918][ T7715] netlink_unicast+0x53b/0x810 [ 603.204895][ T7715] ? netlink_attachskb+0x880/0x880 [ 603.210576][ T7715] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 603.216600][ T7715] ? __phys_addr_symbol+0x30/0x70 [ 603.221743][ T7715] ? __check_object_size+0x323/0x730 [ 603.227262][ T7715] netlink_sendmsg+0x93c/0xe40 [ 603.232079][ T7715] ? netlink_unicast+0x810/0x810 [ 603.237155][ T7715] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 603.242469][ T7715] ? netlink_unicast+0x810/0x810 [ 603.247617][ T7715] __sock_sendmsg+0xd5/0x180 [ 603.252581][ T7715] ____sys_sendmsg+0x6ac/0x940 [ 603.257822][ T7715] ? copy_msghdr_from_user+0x10b/0x160 [ 603.263440][ T7715] ? kernel_sendmsg+0x50/0x50 [ 603.268321][ T7715] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 603.274442][ T7715] ___sys_sendmsg+0x135/0x1d0 [ 603.279156][ T7715] ? do_recvmmsg+0x740/0x740 [ 603.283772][ T7715] ? find_held_lock+0x2d/0x110 [ 603.288775][ T7715] ? preempt_count_sub+0x150/0x150 [ 603.294369][ T7715] ? __fget_light+0x1fc/0x260 [ 603.299442][ T7715] __sys_sendmsg+0x117/0x1e0 [ 603.304252][ T7715] ? __sys_sendmsg_sock+0x30/0x30 [ 603.309594][ T7715] ? syscall_enter_from_user_mode+0x26/0x80 [ 603.315525][ T7715] do_syscall_64+0x3f/0x110 [ 603.320079][ T7715] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 603.326293][ T7715] RIP: 0033:0x7f2631248c19 [ 603.330732][ T7715] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 603.351180][ T7715] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 603.360177][ T7715] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 603.369757][ T7715] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 603.378192][ T7715] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 603.386274][ T7715] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 603.394584][ T7715] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 603.403039][ T7715] [ 603.409672][ T7715] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 603.436555][ T7715] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 603.446713][ T7715] CPU: 0 PID: 7715 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 603.457480][ T7715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 603.467566][ T7715] Call Trace: [ 603.470864][ T7715] [ 603.473833][ T7715] dump_stack_lvl+0x125/0x1b0 [ 603.478749][ T7715] sysfs_warn_dup+0x7f/0xa0 [ 603.483389][ T7715] sysfs_create_dir_ns+0x247/0x2a0 [ 603.488897][ T7715] ? sysfs_create_mount_point+0xb0/0xb0 [ 603.495269][ T7715] ? spin_bug+0x1d0/0x1d0 [ 603.499650][ T7715] ? net_namespace+0x12/0x40 [ 603.504260][ T7715] ? device_namespace+0x8d/0xc0 [ 603.509329][ T7715] kobject_add_internal+0x2c8/0x960 [ 603.514578][ T7715] kobject_add+0x16f/0x240 [ 603.519038][ T7715] ? kset_create_and_add+0x190/0x190 [ 603.524452][ T7715] ? do_raw_spin_unlock+0x173/0x230 [ 603.530034][ T7715] ? kobject_put+0xbe/0x440 [ 603.534847][ T7715] ? device_add+0xc35/0x1aa0 [ 603.539557][ T7715] device_add+0x289/0x1aa0 [ 603.544187][ T7715] ? device_initialize+0x510/0x510 [ 603.549513][ T7715] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 603.556403][ T7715] ? __init_waitqueue_head+0xca/0x150 [ 603.561818][ T7715] netdev_register_kobject+0x183/0x3f0 [ 603.567665][ T7715] register_netdevice+0xbdf/0x14a0 [ 603.572926][ T7715] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 603.578855][ T7715] ? validate_linkmsg+0x6fc/0x9c0 [ 603.584010][ T7715] ? rtnl_create_link+0xa6d/0xfd0 [ 603.589599][ T7715] ? batadv_get_sset_count+0x40/0x40 [ 603.594925][ T7715] batadv_softif_newlink+0x70/0x90 [ 603.600097][ T7715] __rtnl_newlink+0x1173/0x1930 [ 603.605275][ T7715] ? rtnl_link_unregister+0x260/0x260 [ 603.610729][ T7715] rtnl_newlink+0x67/0xa0 [ 603.615563][ T7715] ? __rtnl_newlink+0x1930/0x1930 [ 603.621423][ T7715] rtnetlink_rcv_msg+0x3c7/0xe00 [ 603.626520][ T7715] ? rtnl_getlink+0xb40/0xb40 [ 603.631679][ T7715] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 603.638835][ T7715] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 603.644871][ T7715] netlink_rcv_skb+0x16b/0x440 [ 603.649761][ T7715] ? rtnl_getlink+0xb40/0xb40 [ 603.654991][ T7715] ? netlink_ack+0x1370/0x1370 [ 603.659971][ T7715] ? lock_sync+0x190/0x190 [ 603.664611][ T7715] ? netlink_deliver_tap+0x1a0/0xd00 [ 603.670198][ T7715] ? _copy_from_iter+0x2c1/0x10f0 [ 603.675773][ T7715] netlink_unicast+0x53b/0x810 [ 603.681199][ T7715] ? netlink_attachskb+0x880/0x880 [ 603.686960][ T7715] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 603.693461][ T7715] ? __phys_addr_symbol+0x30/0x70 [ 603.698834][ T7715] ? __check_object_size+0x323/0x730 [ 603.704273][ T7715] netlink_sendmsg+0x93c/0xe40 [ 603.709271][ T7715] ? netlink_unicast+0x810/0x810 [ 603.715084][ T7715] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 603.720576][ T7715] ? netlink_unicast+0x810/0x810 [ 603.725553][ T7715] __sock_sendmsg+0xd5/0x180 [ 603.730445][ T7715] ____sys_sendmsg+0x6ac/0x940 [ 603.735253][ T7715] ? copy_msghdr_from_user+0x10b/0x160 [ 603.740936][ T7715] ? kernel_sendmsg+0x50/0x50 [ 603.746089][ T7715] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 603.752316][ T7715] ___sys_sendmsg+0x135/0x1d0 [ 603.757044][ T7715] ? do_recvmmsg+0x740/0x740 [ 603.761760][ T7715] ? find_held_lock+0x2d/0x110 [ 603.766964][ T7715] ? preempt_count_sub+0x150/0x150 [ 603.772217][ T7715] ? __fget_light+0x1fc/0x260 [ 603.777066][ T7715] __sys_sendmsg+0x117/0x1e0 [ 603.781881][ T7715] ? __sys_sendmsg_sock+0x30/0x30 [ 603.786961][ T7715] ? syscall_enter_from_user_mode+0x26/0x80 [ 603.792919][ T7715] do_syscall_64+0x3f/0x110 [ 603.797577][ T7715] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 603.804133][ T7715] RIP: 0033:0x7f2631248c19 [ 603.808588][ T7715] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 603.829116][ T7715] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 603.838277][ T7715] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 603.847060][ T7715] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 603.855145][ T7715] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 603.863171][ T7715] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 603.871177][ T7715] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 603.879366][ T7715] [ 603.884920][ T7715] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 603.943094][ T7716] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 603.954884][ T7716] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 603.964648][ T7716] CPU: 0 PID: 7716 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 603.974923][ T7716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 603.985350][ T7716] Call Trace: [ 603.988734][ T7716] [ 603.991682][ T7716] dump_stack_lvl+0x125/0x1b0 [ 603.996581][ T7716] sysfs_warn_dup+0x7f/0xa0 [ 604.001306][ T7716] sysfs_create_dir_ns+0x247/0x2a0 [ 604.006628][ T7716] ? sysfs_create_mount_point+0xb0/0xb0 [ 604.012575][ T7716] ? spin_bug+0x1d0/0x1d0 [ 604.017131][ T7716] ? net_namespace+0x12/0x40 [ 604.021868][ T7716] ? device_namespace+0x8d/0xc0 [ 604.027468][ T7716] kobject_add_internal+0x2c8/0x960 [ 604.032905][ T7716] kobject_add+0x16f/0x240 [ 604.037538][ T7716] ? kset_create_and_add+0x190/0x190 [ 604.043294][ T7716] ? do_raw_spin_unlock+0x173/0x230 [ 604.048788][ T7716] ? kobject_put+0xbe/0x440 [ 604.053593][ T7716] ? device_add+0xc35/0x1aa0 [ 604.058562][ T7716] device_add+0x289/0x1aa0 [ 604.063351][ T7716] ? device_initialize+0x510/0x510 [ 604.068853][ T7716] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 604.076015][ T7716] ? __init_waitqueue_head+0xca/0x150 [ 604.081602][ T7716] netdev_register_kobject+0x183/0x3f0 [ 604.087359][ T7716] register_netdevice+0xbdf/0x14a0 [ 604.092705][ T7716] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 604.098774][ T7716] ? team_nl_cmd_noop+0x280/0x280 [ 604.104433][ T7716] team_newlink+0x92/0x160 [ 604.108896][ T7716] ? team_nl_cmd_noop+0x280/0x280 [ 604.113970][ T7716] ? rtnl_create_link+0xa6d/0xfd0 [ 604.119081][ T7716] __rtnl_newlink+0x1173/0x1930 [ 604.124085][ T7716] ? rtnl_link_unregister+0x260/0x260 [ 604.129621][ T7716] rtnl_newlink+0x67/0xa0 [ 604.134240][ T7716] ? __rtnl_newlink+0x1930/0x1930 [ 604.139388][ T7716] rtnetlink_rcv_msg+0x3c7/0xe00 [ 604.144356][ T7716] ? rtnl_getlink+0xb40/0xb40 [ 604.149321][ T7716] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 604.155335][ T7716] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 604.161453][ T7716] netlink_rcv_skb+0x16b/0x440 [ 604.166345][ T7716] ? rtnl_getlink+0xb40/0xb40 [ 604.172009][ T7716] ? netlink_ack+0x1370/0x1370 [ 604.176983][ T7716] ? lock_sync+0x190/0x190 [ 604.181622][ T7716] ? netlink_deliver_tap+0x1a0/0xd00 [ 604.187020][ T7716] ? _copy_from_iter+0x2c1/0x10f0 [ 604.192084][ T7716] netlink_unicast+0x53b/0x810 [ 604.196973][ T7716] ? netlink_attachskb+0x880/0x880 [ 604.202390][ T7716] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 604.208573][ T7716] ? __phys_addr_symbol+0x30/0x70 [ 604.213711][ T7716] ? __check_object_size+0x323/0x730 [ 604.219301][ T7716] netlink_sendmsg+0x93c/0xe40 [ 604.224101][ T7716] ? netlink_unicast+0x810/0x810 [ 604.229264][ T7716] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 604.234666][ T7716] ? netlink_unicast+0x810/0x810 [ 604.239635][ T7716] __sock_sendmsg+0xd5/0x180 [ 604.244341][ T7716] ____sys_sendmsg+0x6ac/0x940 [ 604.249214][ T7716] ? copy_msghdr_from_user+0x10b/0x160 [ 604.254701][ T7716] ? kernel_sendmsg+0x50/0x50 [ 604.259581][ T7716] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 604.266312][ T7716] ___sys_sendmsg+0x135/0x1d0 [ 604.271110][ T7716] ? do_recvmmsg+0x740/0x740 [ 604.276344][ T7716] ? find_held_lock+0x2d/0x110 [ 604.281524][ T7716] ? preempt_count_sub+0x150/0x150 [ 604.287117][ T7716] ? __fget_light+0x1fc/0x260 [ 604.292637][ T7716] __sys_sendmsg+0x117/0x1e0 [ 604.297541][ T7716] ? __sys_sendmsg_sock+0x30/0x30 [ 604.302623][ T7716] ? syscall_enter_from_user_mode+0x26/0x80 [ 604.309156][ T7716] do_syscall_64+0x3f/0x110 [ 604.313881][ T7716] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 604.319916][ T7716] RIP: 0033:0x7f2631248c19 [ 604.324619][ T7716] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 604.347740][ T7716] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 604.356373][ T7716] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 604.364647][ T7716] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 604.373091][ T7716] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 604.381363][ T7716] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 604.389616][ T7716] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 604.398151][ T7716] [ 604.404091][ T7716] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 604.442748][ T7716] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 604.452395][ T7716] CPU: 1 PID: 7716 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 604.462914][ T7716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 604.473266][ T7716] Call Trace: [ 604.476655][ T7716] [ 604.479610][ T7716] dump_stack_lvl+0x125/0x1b0 [ 604.485332][ T7716] sysfs_warn_dup+0x7f/0xa0 [ 604.489898][ T7716] sysfs_create_dir_ns+0x247/0x2a0 [ 604.495262][ T7716] ? sysfs_create_mount_point+0xb0/0xb0 [ 604.500964][ T7716] ? spin_bug+0x1d0/0x1d0 [ 604.505359][ T7716] ? net_namespace+0x12/0x40 [ 604.510194][ T7716] ? device_namespace+0x8d/0xc0 [ 604.515183][ T7716] kobject_add_internal+0x2c8/0x960 [ 604.521061][ T7716] kobject_add+0x16f/0x240 [ 604.526153][ T7716] ? kset_create_and_add+0x190/0x190 [ 604.531576][ T7716] ? do_raw_spin_unlock+0x173/0x230 [ 604.536992][ T7716] ? kobject_put+0xbe/0x440 [ 604.541541][ T7716] ? device_add+0xc35/0x1aa0 [ 604.546167][ T7716] device_add+0x289/0x1aa0 [ 604.550611][ T7716] ? device_initialize+0x510/0x510 [ 604.555869][ T7716] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 604.562755][ T7716] ? __init_waitqueue_head+0xca/0x150 [ 604.568168][ T7716] netdev_register_kobject+0x183/0x3f0 [ 604.573763][ T7716] register_netdevice+0xbdf/0x14a0 [ 604.578912][ T7716] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 604.584918][ T7716] ? validate_linkmsg+0x6fc/0x9c0 [ 604.590446][ T7716] ? rtnl_create_link+0xa6d/0xfd0 [ 604.595514][ T7716] ? batadv_get_sset_count+0x40/0x40 [ 604.600897][ T7716] batadv_softif_newlink+0x70/0x90 [ 604.606579][ T7716] __rtnl_newlink+0x1173/0x1930 [ 604.611574][ T7716] ? rtnl_link_unregister+0x260/0x260 [ 604.617009][ T7716] rtnl_newlink+0x67/0xa0 [ 604.621557][ T7716] ? __rtnl_newlink+0x1930/0x1930 [ 604.626704][ T7716] rtnetlink_rcv_msg+0x3c7/0xe00 [ 604.631775][ T7716] ? rtnl_getlink+0xb40/0xb40 [ 604.637114][ T7716] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 604.643240][ T7716] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 604.649289][ T7716] netlink_rcv_skb+0x16b/0x440 [ 604.654092][ T7716] ? rtnl_getlink+0xb40/0xb40 [ 604.658893][ T7716] ? netlink_ack+0x1370/0x1370 [ 604.663686][ T7716] ? lock_sync+0x190/0x190 [ 604.668153][ T7716] ? netlink_deliver_tap+0x1a0/0xd00 [ 604.673467][ T7716] ? _copy_from_iter+0x2c1/0x10f0 [ 604.678533][ T7716] netlink_unicast+0x53b/0x810 [ 604.683511][ T7716] ? netlink_attachskb+0x880/0x880 [ 604.688822][ T7716] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 604.694834][ T7716] ? __phys_addr_symbol+0x30/0x70 [ 604.700139][ T7716] ? __check_object_size+0x323/0x730 [ 604.705461][ T7716] netlink_sendmsg+0x93c/0xe40 [ 604.710348][ T7716] ? netlink_unicast+0x810/0x810 [ 604.715414][ T7716] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 604.720721][ T7716] ? netlink_unicast+0x810/0x810 [ 604.726028][ T7716] __sock_sendmsg+0xd5/0x180 [ 604.731269][ T7716] ____sys_sendmsg+0x6ac/0x940 [ 604.736160][ T7716] ? copy_msghdr_from_user+0x10b/0x160 [ 604.741649][ T7716] ? kernel_sendmsg+0x50/0x50 [ 604.746663][ T7716] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 604.752981][ T7716] ___sys_sendmsg+0x135/0x1d0 [ 604.758078][ T7716] ? do_recvmmsg+0x740/0x740 [ 604.762789][ T7716] ? find_held_lock+0x2d/0x110 [ 604.768034][ T7716] ? preempt_count_sub+0x150/0x150 [ 604.773272][ T7716] ? __fget_light+0x1fc/0x260 [ 604.778018][ T7716] __sys_sendmsg+0x117/0x1e0 [ 604.783013][ T7716] ? __sys_sendmsg_sock+0x30/0x30 [ 604.788453][ T7716] ? syscall_enter_from_user_mode+0x26/0x80 [ 604.794921][ T7716] do_syscall_64+0x3f/0x110 [ 604.799589][ T7716] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 604.807230][ T7716] RIP: 0033:0x7f2631248c19 [ 604.811772][ T7716] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 604.832643][ T7716] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 604.842408][ T7716] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 604.851027][ T7716] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 604.859693][ T7716] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 604.868307][ T7716] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 604.876840][ T7716] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 604.885245][ T7716] [ 604.894015][ T7716] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 604.957640][ T7717] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 604.970149][ T7717] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 604.981237][ T7717] CPU: 1 PID: 7717 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 604.992441][ T7717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 605.003316][ T7717] Call Trace: [ 605.006620][ T7717] [ 605.009583][ T7717] dump_stack_lvl+0x125/0x1b0 [ 605.014483][ T7717] sysfs_warn_dup+0x7f/0xa0 [ 605.019300][ T7717] sysfs_create_dir_ns+0x247/0x2a0 [ 605.024825][ T7717] ? sysfs_create_mount_point+0xb0/0xb0 [ 605.030774][ T7717] ? spin_bug+0x1d0/0x1d0 [ 605.035528][ T7717] ? net_namespace+0x12/0x40 [ 605.042245][ T7717] ? device_namespace+0x8d/0xc0 [ 605.047848][ T7717] kobject_add_internal+0x2c8/0x960 [ 605.053371][ T7717] kobject_add+0x16f/0x240 [ 605.057932][ T7717] ? kset_create_and_add+0x190/0x190 [ 605.063503][ T7717] ? do_raw_spin_unlock+0x173/0x230 [ 605.068830][ T7717] ? kobject_put+0xbe/0x440 [ 605.073612][ T7717] ? device_add+0xc35/0x1aa0 [ 605.078303][ T7717] device_add+0x289/0x1aa0 [ 605.082861][ T7717] ? device_initialize+0x510/0x510 [ 605.088078][ T7717] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 605.095398][ T7717] ? __init_waitqueue_head+0xca/0x150 [ 605.101517][ T7717] netdev_register_kobject+0x183/0x3f0 [ 605.107007][ T7717] register_netdevice+0xbdf/0x14a0 [ 605.112439][ T7717] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 605.118461][ T7717] ? team_nl_cmd_noop+0x280/0x280 [ 605.128561][ T7717] team_newlink+0x92/0x160 [ 605.133356][ T7717] ? team_nl_cmd_noop+0x280/0x280 [ 605.138861][ T7717] ? rtnl_create_link+0xa6d/0xfd0 [ 605.144093][ T7717] __rtnl_newlink+0x1173/0x1930 [ 605.148989][ T7717] ? rtnl_link_unregister+0x260/0x260 [ 605.154504][ T7717] rtnl_newlink+0x67/0xa0 [ 605.159022][ T7717] ? __rtnl_newlink+0x1930/0x1930 [ 605.164259][ T7717] rtnetlink_rcv_msg+0x3c7/0xe00 [ 605.169229][ T7717] ? rtnl_getlink+0xb40/0xb40 [ 605.174171][ T7717] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 605.180363][ T7717] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 605.186516][ T7717] netlink_rcv_skb+0x16b/0x440 [ 605.191605][ T7717] ? rtnl_getlink+0xb40/0xb40 [ 605.196448][ T7717] ? netlink_ack+0x1370/0x1370 [ 605.202026][ T7717] ? lock_sync+0x190/0x190 [ 605.206479][ T7717] ? netlink_deliver_tap+0x1a0/0xd00 [ 605.213106][ T7717] ? _copy_from_iter+0x2c1/0x10f0 [ 605.218542][ T7717] netlink_unicast+0x53b/0x810 [ 605.223334][ T7717] ? netlink_attachskb+0x880/0x880 [ 605.228459][ T7717] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 605.234722][ T7717] ? __phys_addr_symbol+0x30/0x70 [ 605.239986][ T7717] ? __check_object_size+0x323/0x730 [ 605.245640][ T7717] netlink_sendmsg+0x93c/0xe40 [ 605.250684][ T7717] ? netlink_unicast+0x810/0x810 [ 605.255809][ T7717] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 605.261274][ T7717] ? netlink_unicast+0x810/0x810 [ 605.266232][ T7717] __sock_sendmsg+0xd5/0x180 [ 605.270829][ T7717] ____sys_sendmsg+0x6ac/0x940 [ 605.275786][ T7717] ? copy_msghdr_from_user+0x10b/0x160 [ 605.281869][ T7717] ? kernel_sendmsg+0x50/0x50 [ 605.286559][ T7717] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 605.292911][ T7717] ___sys_sendmsg+0x135/0x1d0 [ 605.297605][ T7717] ? do_recvmmsg+0x740/0x740 [ 605.302378][ T7717] ? find_held_lock+0x2d/0x110 [ 605.307260][ T7717] ? preempt_count_sub+0x150/0x150 [ 605.312566][ T7717] ? __fget_light+0x1fc/0x260 [ 605.317274][ T7717] __sys_sendmsg+0x117/0x1e0 [ 605.322080][ T7717] ? __sys_sendmsg_sock+0x30/0x30 [ 605.327306][ T7717] ? syscall_enter_from_user_mode+0x26/0x80 [ 605.333475][ T7717] do_syscall_64+0x3f/0x110 [ 605.338343][ T7717] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 605.344253][ T7717] RIP: 0033:0x7f2631248c19 [ 605.348768][ T7717] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 605.369004][ T7717] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 605.377868][ T7717] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 605.386280][ T7717] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 605.395056][ T7717] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 605.403843][ T7717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 605.413152][ T7717] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 605.421500][ T7717] [ 605.440872][ T7717] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 605.468855][ T7717] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 605.479163][ T7717] CPU: 1 PID: 7717 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 605.489967][ T7717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 605.500846][ T7717] Call Trace: [ 605.504230][ T7717] [ 605.507193][ T7717] dump_stack_lvl+0x125/0x1b0 [ 605.512264][ T7717] sysfs_warn_dup+0x7f/0xa0 [ 605.516803][ T7717] sysfs_create_dir_ns+0x247/0x2a0 [ 605.522138][ T7717] ? sysfs_create_mount_point+0xb0/0xb0 [ 605.527944][ T7717] ? spin_bug+0x1d0/0x1d0 [ 605.532412][ T7717] ? net_namespace+0x12/0x40 [ 605.537212][ T7717] ? device_namespace+0x8d/0xc0 [ 605.542364][ T7717] kobject_add_internal+0x2c8/0x960 [ 605.547697][ T7717] kobject_add+0x16f/0x240 [ 605.552157][ T7717] ? kset_create_and_add+0x190/0x190 [ 605.557570][ T7717] ? do_raw_spin_unlock+0x173/0x230 [ 605.562897][ T7717] ? kobject_put+0xbe/0x440 [ 605.567608][ T7717] ? device_add+0xc35/0x1aa0 [ 605.572288][ T7717] device_add+0x289/0x1aa0 [ 605.576822][ T7717] ? device_initialize+0x510/0x510 [ 605.581984][ T7717] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 605.589040][ T7717] ? __init_waitqueue_head+0xca/0x150 [ 605.594982][ T7717] netdev_register_kobject+0x183/0x3f0 [ 605.600574][ T7717] register_netdevice+0xbdf/0x14a0 [ 605.605757][ T7717] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 605.611816][ T7717] ? validate_linkmsg+0x6fc/0x9c0 [ 605.616894][ T7717] ? rtnl_create_link+0xa6d/0xfd0 [ 605.621958][ T7717] ? batadv_get_sset_count+0x40/0x40 [ 605.627401][ T7717] batadv_softif_newlink+0x70/0x90 [ 605.633029][ T7717] __rtnl_newlink+0x1173/0x1930 [ 605.638058][ T7717] ? rtnl_link_unregister+0x260/0x260 [ 605.643791][ T7717] rtnl_newlink+0x67/0xa0 [ 605.648516][ T7717] ? __rtnl_newlink+0x1930/0x1930 [ 605.653572][ T7717] rtnetlink_rcv_msg+0x3c7/0xe00 [ 605.658560][ T7717] ? rtnl_getlink+0xb40/0xb40 [ 605.663435][ T7717] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 605.669464][ T7717] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 605.675544][ T7717] netlink_rcv_skb+0x16b/0x440 [ 605.680435][ T7717] ? rtnl_getlink+0xb40/0xb40 [ 605.685274][ T7717] ? netlink_ack+0x1370/0x1370 [ 605.690153][ T7717] ? lock_sync+0x190/0x190 [ 605.694708][ T7717] ? netlink_deliver_tap+0x1a0/0xd00 [ 605.700288][ T7717] ? _copy_from_iter+0x2c1/0x10f0 [ 605.705453][ T7717] netlink_unicast+0x53b/0x810 [ 605.710629][ T7717] ? netlink_attachskb+0x880/0x880 [ 605.716474][ T7717] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 605.722404][ T7717] ? __phys_addr_symbol+0x30/0x70 [ 605.727778][ T7717] ? __check_object_size+0x323/0x730 [ 605.733119][ T7717] netlink_sendmsg+0x93c/0xe40 [ 605.738115][ T7717] ? netlink_unicast+0x810/0x810 [ 605.743288][ T7717] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 605.748631][ T7717] ? netlink_unicast+0x810/0x810 [ 605.753822][ T7717] __sock_sendmsg+0xd5/0x180 [ 605.759579][ T7717] ____sys_sendmsg+0x6ac/0x940 [ 605.764379][ T7717] ? copy_msghdr_from_user+0x10b/0x160 [ 605.769951][ T7717] ? kernel_sendmsg+0x50/0x50 [ 605.774757][ T7717] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 605.780957][ T7717] ___sys_sendmsg+0x135/0x1d0 [ 605.785929][ T7717] ? do_recvmmsg+0x740/0x740 [ 605.790584][ T7717] ? find_held_lock+0x2d/0x110 [ 605.795596][ T7717] ? preempt_count_sub+0x150/0x150 [ 605.800755][ T7717] ? __fget_light+0x1fc/0x260 [ 605.805493][ T7717] __sys_sendmsg+0x117/0x1e0 [ 605.810392][ T7717] ? __sys_sendmsg_sock+0x30/0x30 [ 605.815575][ T7717] ? syscall_enter_from_user_mode+0x26/0x80 [ 605.821740][ T7717] do_syscall_64+0x3f/0x110 [ 605.826382][ T7717] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 605.832483][ T7717] RIP: 0033:0x7f2631248c19 [ 605.837031][ T7717] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 605.857373][ T7717] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 605.866083][ T7717] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 605.874075][ T7717] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 605.882071][ T7717] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 605.890066][ T7717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 605.898240][ T7717] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 605.906339][ T7717] [ 605.923929][ T7717] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 606.004741][ T7718] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 606.019964][ T7718] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 606.031392][ T7718] CPU: 1 PID: 7718 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 606.041679][ T7718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 606.052201][ T7718] Call Trace: [ 606.055775][ T7718] [ 606.058735][ T7718] dump_stack_lvl+0x125/0x1b0 [ 606.063721][ T7718] sysfs_warn_dup+0x7f/0xa0 [ 606.068440][ T7718] sysfs_create_dir_ns+0x247/0x2a0 [ 606.073611][ T7718] ? sysfs_create_mount_point+0xb0/0xb0 [ 606.079313][ T7718] ? spin_bug+0x1d0/0x1d0 [ 606.084044][ T7718] ? net_namespace+0x12/0x40 [ 606.089378][ T7718] ? device_namespace+0x8d/0xc0 [ 606.094552][ T7718] kobject_add_internal+0x2c8/0x960 [ 606.100088][ T7718] kobject_add+0x16f/0x240 [ 606.104819][ T7718] ? kset_create_and_add+0x190/0x190 [ 606.110616][ T7718] ? do_raw_spin_unlock+0x173/0x230 [ 606.116039][ T7718] ? kobject_put+0xbe/0x440 [ 606.120684][ T7718] ? device_add+0xc35/0x1aa0 [ 606.125397][ T7718] device_add+0x289/0x1aa0 [ 606.129846][ T7718] ? device_initialize+0x510/0x510 [ 606.135005][ T7718] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 606.142054][ T7718] ? __init_waitqueue_head+0xca/0x150 [ 606.147542][ T7718] netdev_register_kobject+0x183/0x3f0 [ 606.153055][ T7718] register_netdevice+0xbdf/0x14a0 [ 606.158459][ T7718] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 606.164740][ T7718] ? team_nl_cmd_noop+0x280/0x280 [ 606.169882][ T7718] team_newlink+0x92/0x160 [ 606.174500][ T7718] ? team_nl_cmd_noop+0x280/0x280 [ 606.179715][ T7718] ? rtnl_create_link+0xa6d/0xfd0 [ 606.184774][ T7718] __rtnl_newlink+0x1173/0x1930 [ 606.189733][ T7718] ? rtnl_link_unregister+0x260/0x260 [ 606.195232][ T7718] rtnl_newlink+0x67/0xa0 [ 606.200048][ T7718] ? __rtnl_newlink+0x1930/0x1930 [ 606.205083][ T7718] rtnetlink_rcv_msg+0x3c7/0xe00 [ 606.210342][ T7718] ? rtnl_getlink+0xb40/0xb40 [ 606.215026][ T7718] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 606.221024][ T7718] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 606.227305][ T7718] netlink_rcv_skb+0x16b/0x440 [ 606.232081][ T7718] ? rtnl_getlink+0xb40/0xb40 [ 606.236891][ T7718] ? netlink_ack+0x1370/0x1370 [ 606.241665][ T7718] ? lock_sync+0x190/0x190 [ 606.246116][ T7718] ? netlink_deliver_tap+0x1a0/0xd00 [ 606.251499][ T7718] ? _copy_from_iter+0x2c1/0x10f0 [ 606.256545][ T7718] netlink_unicast+0x53b/0x810 [ 606.261361][ T7718] ? netlink_attachskb+0x880/0x880 [ 606.266673][ T7718] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 606.272669][ T7718] ? __phys_addr_symbol+0x30/0x70 [ 606.278505][ T7718] ? __check_object_size+0x323/0x730 [ 606.284006][ T7718] netlink_sendmsg+0x93c/0xe40 [ 606.289060][ T7718] ? netlink_unicast+0x810/0x810 [ 606.294402][ T7718] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 606.299908][ T7718] ? netlink_unicast+0x810/0x810 [ 606.304950][ T7718] __sock_sendmsg+0xd5/0x180 [ 606.309779][ T7718] ____sys_sendmsg+0x6ac/0x940 [ 606.314562][ T7718] ? copy_msghdr_from_user+0x10b/0x160 [ 606.320119][ T7718] ? kernel_sendmsg+0x50/0x50 [ 606.325124][ T7718] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 606.331500][ T7718] ___sys_sendmsg+0x135/0x1d0 [ 606.336553][ T7718] ? do_recvmmsg+0x740/0x740 [ 606.341600][ T7718] ? find_held_lock+0x2d/0x110 [ 606.346853][ T7718] ? preempt_count_sub+0x150/0x150 [ 606.353809][ T7718] ? __fget_light+0x1fc/0x260 [ 606.358592][ T7718] __sys_sendmsg+0x117/0x1e0 [ 606.363700][ T7718] ? __sys_sendmsg_sock+0x30/0x30 [ 606.368991][ T7718] ? xfd_validate_state+0x5d/0x180 [ 606.374163][ T7718] ? syscall_enter_from_user_mode+0x26/0x80 [ 606.380094][ T7718] do_syscall_64+0x3f/0x110 [ 606.384733][ T7718] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 606.391259][ T7718] RIP: 0033:0x7f2631248c19 [ 606.396203][ T7718] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 606.416455][ T7718] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 606.425859][ T7718] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 606.434149][ T7718] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 606.442399][ T7718] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 606.450568][ T7718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 606.458718][ T7718] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 606.466990][ T7718] [ 606.479373][ T7718] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 606.512468][ T7718] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 606.521880][ T7718] CPU: 1 PID: 7718 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 606.532162][ T7718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 606.542240][ T7718] Call Trace: [ 606.545539][ T7718] [ 606.548575][ T7718] dump_stack_lvl+0x125/0x1b0 [ 606.553380][ T7718] sysfs_warn_dup+0x7f/0xa0 [ 606.557942][ T7718] sysfs_create_dir_ns+0x247/0x2a0 [ 606.563539][ T7718] ? sysfs_create_mount_point+0xb0/0xb0 [ 606.569134][ T7718] ? spin_bug+0x1d0/0x1d0 [ 606.573768][ T7718] ? net_namespace+0x12/0x40 [ 606.578383][ T7718] ? device_namespace+0x8d/0xc0 [ 606.583358][ T7718] kobject_add_internal+0x2c8/0x960 [ 606.588691][ T7718] kobject_add+0x16f/0x240 [ 606.593588][ T7718] ? kset_create_and_add+0x190/0x190 [ 606.598911][ T7718] ? do_raw_spin_unlock+0x173/0x230 [ 606.604767][ T7718] ? kobject_put+0xbe/0x440 [ 606.609409][ T7718] ? device_add+0xc35/0x1aa0 [ 606.614077][ T7718] device_add+0x289/0x1aa0 [ 606.618785][ T7718] ? device_initialize+0x510/0x510 [ 606.624504][ T7718] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 606.631663][ T7718] ? __init_waitqueue_head+0xca/0x150 [ 606.637297][ T7718] netdev_register_kobject+0x183/0x3f0 [ 606.643079][ T7718] register_netdevice+0xbdf/0x14a0 [ 606.648253][ T7718] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 606.654185][ T7718] ? validate_linkmsg+0x6fc/0x9c0 [ 606.659345][ T7718] ? rtnl_create_link+0xa6d/0xfd0 [ 606.664449][ T7718] ? batadv_get_sset_count+0x40/0x40 [ 606.669954][ T7718] batadv_softif_newlink+0x70/0x90 [ 606.675556][ T7718] __rtnl_newlink+0x1173/0x1930 [ 606.680976][ T7718] ? rtnl_link_unregister+0x260/0x260 [ 606.686510][ T7718] rtnl_newlink+0x67/0xa0 [ 606.691042][ T7718] ? __rtnl_newlink+0x1930/0x1930 [ 606.696193][ T7718] rtnetlink_rcv_msg+0x3c7/0xe00 [ 606.701368][ T7718] ? rtnl_getlink+0xb40/0xb40 [ 606.706356][ T7718] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 606.712615][ T7718] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 606.718750][ T7718] netlink_rcv_skb+0x16b/0x440 [ 606.723844][ T7718] ? rtnl_getlink+0xb40/0xb40 [ 606.728575][ T7718] ? netlink_ack+0x1370/0x1370 [ 606.733375][ T7718] ? lock_sync+0x190/0x190 [ 606.737862][ T7718] ? netlink_deliver_tap+0x1a0/0xd00 [ 606.743244][ T7718] ? _copy_from_iter+0x2c1/0x10f0 [ 606.748319][ T7718] netlink_unicast+0x53b/0x810 [ 606.753331][ T7718] ? netlink_attachskb+0x880/0x880 [ 606.758485][ T7718] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 606.764501][ T7718] ? __phys_addr_symbol+0x30/0x70 [ 606.769569][ T7718] ? __check_object_size+0x323/0x730 [ 606.774911][ T7718] netlink_sendmsg+0x93c/0xe40 [ 606.779806][ T7718] ? netlink_unicast+0x810/0x810 [ 606.785044][ T7718] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 606.790972][ T7718] ? netlink_unicast+0x810/0x810 [ 606.796041][ T7718] __sock_sendmsg+0xd5/0x180 [ 606.800750][ T7718] ____sys_sendmsg+0x6ac/0x940 [ 606.805627][ T7718] ? copy_msghdr_from_user+0x10b/0x160 [ 606.811471][ T7718] ? kernel_sendmsg+0x50/0x50 [ 606.816272][ T7718] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 606.822689][ T7718] ___sys_sendmsg+0x135/0x1d0 [ 606.829079][ T7718] ? do_recvmmsg+0x740/0x740 [ 606.834065][ T7718] ? find_held_lock+0x2d/0x110 [ 606.838881][ T7718] ? preempt_count_sub+0x150/0x150 [ 606.844220][ T7718] ? __fget_light+0x1fc/0x260 [ 606.849218][ T7718] __sys_sendmsg+0x117/0x1e0 [ 606.854045][ T7718] ? __sys_sendmsg_sock+0x30/0x30 [ 606.859257][ T7718] ? syscall_enter_from_user_mode+0x26/0x80 [ 606.865636][ T7718] do_syscall_64+0x3f/0x110 [ 606.870292][ T7718] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 606.876839][ T7718] RIP: 0033:0x7f2631248c19 [ 606.881468][ T7718] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 606.901464][ T7718] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 606.910107][ T7718] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 606.918108][ T7718] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 606.926466][ T7718] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 606.934462][ T7718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 606.942475][ T7718] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 606.950953][ T7718] [ 606.968190][ T7718] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 607.025722][ T7719] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 607.041208][ T7719] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 607.051282][ T7719] CPU: 1 PID: 7719 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 607.061481][ T7719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 607.071651][ T7719] Call Trace: [ 607.074947][ T7719] [ 607.077983][ T7719] dump_stack_lvl+0x125/0x1b0 [ 607.082870][ T7719] sysfs_warn_dup+0x7f/0xa0 [ 607.088017][ T7719] sysfs_create_dir_ns+0x247/0x2a0 [ 607.093276][ T7719] ? sysfs_create_mount_point+0xb0/0xb0 [ 607.098882][ T7719] ? spin_bug+0x1d0/0x1d0 [ 607.103256][ T7719] ? net_namespace+0x12/0x40 [ 607.108049][ T7719] ? device_namespace+0x8d/0xc0 [ 607.113032][ T7719] kobject_add_internal+0x2c8/0x960 [ 607.118537][ T7719] kobject_add+0x16f/0x240 [ 607.123868][ T7719] ? kset_create_and_add+0x190/0x190 [ 607.129389][ T7719] ? do_raw_spin_unlock+0x173/0x230 [ 607.134803][ T7719] ? kobject_put+0xbe/0x440 [ 607.139429][ T7719] ? device_add+0xc35/0x1aa0 [ 607.144055][ T7719] device_add+0x289/0x1aa0 [ 607.151079][ T7719] ? device_initialize+0x510/0x510 [ 607.156583][ T7719] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 607.163559][ T7719] ? __init_waitqueue_head+0xca/0x150 [ 607.168967][ T7719] netdev_register_kobject+0x183/0x3f0 [ 607.174665][ T7719] register_netdevice+0xbdf/0x14a0 [ 607.180158][ T7719] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 607.186260][ T7719] ? team_nl_cmd_noop+0x280/0x280 [ 607.191398][ T7719] team_newlink+0x92/0x160 [ 607.195936][ T7719] ? team_nl_cmd_noop+0x280/0x280 [ 607.201007][ T7719] ? rtnl_create_link+0xa6d/0xfd0 [ 607.206101][ T7719] __rtnl_newlink+0x1173/0x1930 [ 607.211016][ T7719] ? rtnl_link_unregister+0x260/0x260 [ 607.216918][ T7719] rtnl_newlink+0x67/0xa0 [ 607.221407][ T7719] ? __rtnl_newlink+0x1930/0x1930 [ 607.226910][ T7719] rtnetlink_rcv_msg+0x3c7/0xe00 [ 607.232076][ T7719] ? rtnl_getlink+0xb40/0xb40 [ 607.237195][ T7719] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 607.243480][ T7719] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 607.249712][ T7719] netlink_rcv_skb+0x16b/0x440 [ 607.254705][ T7719] ? rtnl_getlink+0xb40/0xb40 [ 607.259448][ T7719] ? netlink_ack+0x1370/0x1370 [ 607.264504][ T7719] ? lock_sync+0x190/0x190 [ 607.268969][ T7719] ? netlink_deliver_tap+0x1a0/0xd00 [ 607.274388][ T7719] ? _copy_from_iter+0x2c1/0x10f0 [ 607.279542][ T7719] netlink_unicast+0x53b/0x810 [ 607.284433][ T7719] ? netlink_attachskb+0x880/0x880 [ 607.289742][ T7719] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 607.295874][ T7719] ? __phys_addr_symbol+0x30/0x70 [ 607.301020][ T7719] ? __check_object_size+0x323/0x730 [ 607.306598][ T7719] netlink_sendmsg+0x93c/0xe40 [ 607.311401][ T7719] ? netlink_unicast+0x810/0x810 [ 607.316475][ T7719] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 607.321875][ T7719] ? netlink_unicast+0x810/0x810 [ 607.326856][ T7719] __sock_sendmsg+0xd5/0x180 [ 607.331563][ T7719] ____sys_sendmsg+0x6ac/0x940 [ 607.336434][ T7719] ? copy_msghdr_from_user+0x10b/0x160 [ 607.342006][ T7719] ? kernel_sendmsg+0x50/0x50 [ 607.346797][ T7719] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 607.353351][ T7719] ___sys_sendmsg+0x135/0x1d0 [ 607.358151][ T7719] ? do_recvmmsg+0x740/0x740 [ 607.362956][ T7719] ? find_held_lock+0x2d/0x110 [ 607.367774][ T7719] ? preempt_count_sub+0x150/0x150 [ 607.373100][ T7719] ? __fget_light+0x1fc/0x260 [ 607.377916][ T7719] __sys_sendmsg+0x117/0x1e0 [ 607.382795][ T7719] ? __sys_sendmsg_sock+0x30/0x30 [ 607.387877][ T7719] ? syscall_enter_from_user_mode+0x26/0x80 [ 607.393902][ T7719] do_syscall_64+0x3f/0x110 [ 607.399048][ T7719] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 607.404990][ T7719] RIP: 0033:0x7f2631248c19 [ 607.409527][ T7719] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 607.429966][ T7719] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 607.438419][ T7719] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 607.447019][ T7719] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 607.455200][ T7719] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 607.463198][ T7719] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 607.471192][ T7719] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 607.479290][ T7719] [ 607.490978][ T7719] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 607.535529][ T7719] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 607.548631][ T7719] CPU: 1 PID: 7719 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 607.559197][ T7719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 607.569461][ T7719] Call Trace: [ 607.572930][ T7719] [ 607.575967][ T7719] dump_stack_lvl+0x125/0x1b0 [ 607.580686][ T7719] sysfs_warn_dup+0x7f/0xa0 [ 607.585314][ T7719] sysfs_create_dir_ns+0x247/0x2a0 [ 607.590553][ T7719] ? sysfs_create_mount_point+0xb0/0xb0 [ 607.596150][ T7719] ? spin_bug+0x1d0/0x1d0 [ 607.600699][ T7719] ? net_namespace+0x12/0x40 [ 607.605484][ T7719] ? device_namespace+0x8d/0xc0 [ 607.610482][ T7719] kobject_add_internal+0x2c8/0x960 [ 607.615803][ T7719] kobject_add+0x16f/0x240 [ 607.620413][ T7719] ? kset_create_and_add+0x190/0x190 [ 607.625803][ T7719] ? do_raw_spin_unlock+0x173/0x230 [ 607.631024][ T7719] ? kobject_put+0xbe/0x440 [ 607.635631][ T7719] ? device_add+0xc35/0x1aa0 [ 607.640330][ T7719] device_add+0x289/0x1aa0 [ 607.644755][ T7719] ? device_initialize+0x510/0x510 [ 607.649883][ T7719] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 607.657888][ T7719] ? __init_waitqueue_head+0xca/0x150 [ 607.663543][ T7719] netdev_register_kobject+0x183/0x3f0 [ 607.669285][ T7719] register_netdevice+0xbdf/0x14a0 [ 607.674625][ T7719] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 607.680615][ T7719] ? validate_linkmsg+0x6fc/0x9c0 [ 607.686012][ T7719] ? rtnl_create_link+0xa6d/0xfd0 [ 607.691145][ T7719] ? batadv_get_sset_count+0x40/0x40 [ 607.696666][ T7719] batadv_softif_newlink+0x70/0x90 [ 607.702251][ T7719] __rtnl_newlink+0x1173/0x1930 [ 607.707437][ T7719] ? rtnl_link_unregister+0x260/0x260 [ 607.713023][ T7719] rtnl_newlink+0x67/0xa0 [ 607.717546][ T7719] ? __rtnl_newlink+0x1930/0x1930 [ 607.722843][ T7719] rtnetlink_rcv_msg+0x3c7/0xe00 [ 607.728009][ T7719] ? rtnl_getlink+0xb40/0xb40 [ 607.733471][ T7719] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 607.739561][ T7719] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 607.746185][ T7719] netlink_rcv_skb+0x16b/0x440 [ 607.751058][ T7719] ? rtnl_getlink+0xb40/0xb40 [ 607.755923][ T7719] ? netlink_ack+0x1370/0x1370 [ 607.760879][ T7719] ? lock_sync+0x190/0x190 [ 607.765333][ T7719] ? netlink_deliver_tap+0x1a0/0xd00 [ 607.770628][ T7719] ? _copy_from_iter+0x2c1/0x10f0 [ 607.775763][ T7719] netlink_unicast+0x53b/0x810 [ 607.780908][ T7719] ? netlink_attachskb+0x880/0x880 [ 607.786117][ T7719] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 607.792282][ T7719] ? __phys_addr_symbol+0x30/0x70 [ 607.797843][ T7719] ? __check_object_size+0x323/0x730 [ 607.803411][ T7719] netlink_sendmsg+0x93c/0xe40 [ 607.808368][ T7719] ? netlink_unicast+0x810/0x810 [ 607.813329][ T7719] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 607.818628][ T7719] ? netlink_unicast+0x810/0x810 [ 607.824452][ T7719] __sock_sendmsg+0xd5/0x180 [ 607.829207][ T7719] ____sys_sendmsg+0x6ac/0x940 [ 607.834173][ T7719] ? copy_msghdr_from_user+0x10b/0x160 [ 607.840093][ T7719] ? kernel_sendmsg+0x50/0x50 [ 607.844871][ T7719] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 607.851055][ T7719] ___sys_sendmsg+0x135/0x1d0 [ 607.855843][ T7719] ? do_recvmmsg+0x740/0x740 [ 607.860535][ T7719] ? find_held_lock+0x2d/0x110 [ 607.865419][ T7719] ? preempt_count_sub+0x150/0x150 [ 607.871071][ T7719] ? __fget_light+0x1fc/0x260 [ 607.875981][ T7719] __sys_sendmsg+0x117/0x1e0 [ 607.880694][ T7719] ? __sys_sendmsg_sock+0x30/0x30 [ 607.886094][ T7719] ? xfd_validate_state+0x5d/0x180 [ 607.891629][ T7719] ? syscall_enter_from_user_mode+0x26/0x80 [ 607.898058][ T7719] do_syscall_64+0x3f/0x110 [ 607.902575][ T7719] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 607.908574][ T7719] RIP: 0033:0x7f2631248c19 [ 607.912993][ T7719] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 607.933564][ T7719] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 607.942250][ T7719] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 607.950511][ T7719] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 607.958517][ T7719] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 607.966781][ T7719] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 607.974941][ T7719] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 607.982943][ T7719] [ 607.990401][ T7719] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 608.066086][ T7720] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 608.077743][ T7720] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 608.087430][ T7720] CPU: 0 PID: 7720 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 608.097623][ T7720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 608.107968][ T7720] Call Trace: [ 608.111438][ T7720] [ 608.114471][ T7720] dump_stack_lvl+0x125/0x1b0 [ 608.119354][ T7720] sysfs_warn_dup+0x7f/0xa0 [ 608.123881][ T7720] sysfs_create_dir_ns+0x247/0x2a0 [ 608.129035][ T7720] ? sysfs_create_mount_point+0xb0/0xb0 [ 608.134688][ T7720] ? spin_bug+0x1d0/0x1d0 [ 608.139128][ T7720] ? net_namespace+0x12/0x40 [ 608.143899][ T7720] ? device_namespace+0x8d/0xc0 [ 608.148777][ T7720] kobject_add_internal+0x2c8/0x960 [ 608.153999][ T7720] kobject_add+0x16f/0x240 [ 608.158458][ T7720] ? kset_create_and_add+0x190/0x190 [ 608.163792][ T7720] ? do_raw_spin_unlock+0x173/0x230 [ 608.169025][ T7720] ? kobject_put+0xbe/0x440 [ 608.173696][ T7720] ? device_add+0xc35/0x1aa0 [ 608.178506][ T7720] device_add+0x289/0x1aa0 [ 608.183037][ T7720] ? device_initialize+0x510/0x510 [ 608.188261][ T7720] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 608.195216][ T7720] ? __init_waitqueue_head+0xca/0x150 [ 608.200954][ T7720] netdev_register_kobject+0x183/0x3f0 [ 608.206623][ T7720] register_netdevice+0xbdf/0x14a0 [ 608.211924][ T7720] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 608.218446][ T7720] ? team_nl_cmd_noop+0x280/0x280 [ 608.223608][ T7720] team_newlink+0x92/0x160 [ 608.228305][ T7720] ? team_nl_cmd_noop+0x280/0x280 [ 608.233403][ T7720] ? rtnl_create_link+0xa6d/0xfd0 [ 608.238528][ T7720] __rtnl_newlink+0x1173/0x1930 [ 608.243492][ T7720] ? rtnl_link_unregister+0x260/0x260 [ 608.248937][ T7720] rtnl_newlink+0x67/0xa0 [ 608.253307][ T7720] ? __rtnl_newlink+0x1930/0x1930 [ 608.258378][ T7720] rtnetlink_rcv_msg+0x3c7/0xe00 [ 608.263636][ T7720] ? rtnl_getlink+0xb40/0xb40 [ 608.268767][ T7720] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 608.275650][ T7720] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 608.281782][ T7720] netlink_rcv_skb+0x16b/0x440 [ 608.286749][ T7720] ? rtnl_getlink+0xb40/0xb40 [ 608.291530][ T7720] ? netlink_ack+0x1370/0x1370 [ 608.296659][ T7720] ? lock_sync+0x190/0x190 [ 608.301124][ T7720] ? netlink_deliver_tap+0x1a0/0xd00 [ 608.306786][ T7720] ? _copy_from_iter+0x2c1/0x10f0 [ 608.312514][ T7720] netlink_unicast+0x53b/0x810 [ 608.317484][ T7720] ? netlink_attachskb+0x880/0x880 [ 608.322987][ T7720] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 608.328905][ T7720] ? __phys_addr_symbol+0x30/0x70 [ 608.334462][ T7720] ? __check_object_size+0x323/0x730 [ 608.339943][ T7720] netlink_sendmsg+0x93c/0xe40 [ 608.345607][ T7720] ? netlink_unicast+0x810/0x810 [ 608.350679][ T7720] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 608.356183][ T7720] ? netlink_unicast+0x810/0x810 [ 608.361256][ T7720] __sock_sendmsg+0xd5/0x180 [ 608.366061][ T7720] ____sys_sendmsg+0x6ac/0x940 [ 608.370854][ T7720] ? copy_msghdr_from_user+0x10b/0x160 [ 608.376595][ T7720] ? kernel_sendmsg+0x50/0x50 [ 608.381722][ T7720] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 608.388084][ T7720] ___sys_sendmsg+0x135/0x1d0 [ 608.392948][ T7720] ? do_recvmmsg+0x740/0x740 [ 608.397635][ T7720] ? find_held_lock+0x2d/0x110 [ 608.402425][ T7720] ? preempt_count_sub+0x150/0x150 [ 608.407857][ T7720] ? __fget_light+0x1fc/0x260 [ 608.412660][ T7720] __sys_sendmsg+0x117/0x1e0 [ 608.417529][ T7720] ? __sys_sendmsg_sock+0x30/0x30 [ 608.423483][ T7720] ? syscall_enter_from_user_mode+0x26/0x80 [ 608.430138][ T7720] do_syscall_64+0x3f/0x110 [ 608.435907][ T7720] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 608.442010][ T7720] RIP: 0033:0x7f2631248c19 [ 608.446470][ T7720] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 608.466749][ T7720] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 608.475284][ T7720] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 608.483290][ T7720] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 608.491376][ T7720] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 608.499471][ T7720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 608.507569][ T7720] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 608.515740][ T7720] [ 608.521825][ T7720] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 608.549261][ T7720] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 608.558610][ T7720] CPU: 0 PID: 7720 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 608.569060][ T7720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 608.579237][ T7720] Call Trace: [ 608.582755][ T7720] [ 608.585801][ T7720] dump_stack_lvl+0x125/0x1b0 [ 608.590532][ T7720] sysfs_warn_dup+0x7f/0xa0 [ 608.595347][ T7720] sysfs_create_dir_ns+0x247/0x2a0 [ 608.600527][ T7720] ? sysfs_create_mount_point+0xb0/0xb0 [ 608.606242][ T7720] ? spin_bug+0x1d0/0x1d0 [ 608.610726][ T7720] ? net_namespace+0x12/0x40 [ 608.615358][ T7720] ? device_namespace+0x8d/0xc0 [ 608.620268][ T7720] kobject_add_internal+0x2c8/0x960 [ 608.625618][ T7720] kobject_add+0x16f/0x240 [ 608.630075][ T7720] ? kset_create_and_add+0x190/0x190 [ 608.635410][ T7720] ? do_raw_spin_unlock+0x173/0x230 [ 608.640832][ T7720] ? kobject_put+0xbe/0x440 [ 608.645431][ T7720] ? device_add+0xc35/0x1aa0 [ 608.650069][ T7720] device_add+0x289/0x1aa0 [ 608.654789][ T7720] ? device_initialize+0x510/0x510 [ 608.660050][ T7720] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 608.667390][ T7720] ? __init_waitqueue_head+0xca/0x150 [ 608.672911][ T7720] netdev_register_kobject+0x183/0x3f0 [ 608.678427][ T7720] register_netdevice+0xbdf/0x14a0 [ 608.683589][ T7720] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 608.689689][ T7720] ? validate_linkmsg+0x6fc/0x9c0 [ 608.694951][ T7720] ? rtnl_create_link+0xa6d/0xfd0 [ 608.700258][ T7720] ? batadv_get_sset_count+0x40/0x40 [ 608.705857][ T7720] batadv_softif_newlink+0x70/0x90 [ 608.711012][ T7720] __rtnl_newlink+0x1173/0x1930 [ 608.717311][ T7720] ? rtnl_link_unregister+0x260/0x260 [ 608.722951][ T7720] rtnl_newlink+0x67/0xa0 [ 608.727561][ T7720] ? __rtnl_newlink+0x1930/0x1930 [ 608.732634][ T7720] rtnetlink_rcv_msg+0x3c7/0xe00 [ 608.737695][ T7720] ? rtnl_getlink+0xb40/0xb40 [ 608.742398][ T7720] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 608.748764][ T7720] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 608.754807][ T7720] netlink_rcv_skb+0x16b/0x440 [ 608.759605][ T7720] ? rtnl_getlink+0xb40/0xb40 [ 608.764579][ T7720] ? netlink_ack+0x1370/0x1370 [ 608.769724][ T7720] ? lock_sync+0x190/0x190 [ 608.774284][ T7720] ? netlink_deliver_tap+0x1a0/0xd00 [ 608.779950][ T7720] ? _copy_from_iter+0x2c1/0x10f0 [ 608.785195][ T7720] netlink_unicast+0x53b/0x810 [ 608.791936][ T7720] ? netlink_attachskb+0x880/0x880 [ 608.797095][ T7720] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 608.803137][ T7720] ? __phys_addr_symbol+0x30/0x70 [ 608.808603][ T7720] ? __check_object_size+0x323/0x730 [ 608.813960][ T7720] netlink_sendmsg+0x93c/0xe40 [ 608.818858][ T7720] ? netlink_unicast+0x810/0x810 [ 608.824130][ T7720] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 608.829763][ T7720] ? netlink_unicast+0x810/0x810 [ 608.834838][ T7720] __sock_sendmsg+0xd5/0x180 [ 608.839640][ T7720] ____sys_sendmsg+0x6ac/0x940 [ 608.844514][ T7720] ? copy_msghdr_from_user+0x10b/0x160 [ 608.850085][ T7720] ? kernel_sendmsg+0x50/0x50 [ 608.854866][ T7720] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 608.861180][ T7720] ___sys_sendmsg+0x135/0x1d0 [ 608.866169][ T7720] ? do_recvmmsg+0x740/0x740 [ 608.871150][ T7720] ? find_held_lock+0x2d/0x110 [ 608.876070][ T7720] ? preempt_count_sub+0x150/0x150 [ 608.881509][ T7720] ? __fget_light+0x1fc/0x260 [ 608.886432][ T7720] __sys_sendmsg+0x117/0x1e0 [ 608.891144][ T7720] ? __sys_sendmsg_sock+0x30/0x30 [ 608.896397][ T7720] ? syscall_enter_from_user_mode+0x26/0x80 [ 608.904412][ T7720] do_syscall_64+0x3f/0x110 [ 608.909211][ T7720] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 608.915136][ T7720] RIP: 0033:0x7f2631248c19 [ 608.919586][ T7720] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 608.940814][ T7720] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 608.949501][ T7720] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 608.957597][ T7720] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 608.965688][ T7720] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 608.973771][ T7720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 608.981898][ T7720] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 608.990103][ T7720] [ 608.994112][ T7720] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 609.071707][ T7721] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 609.083904][ T7721] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 609.094564][ T7721] CPU: 0 PID: 7721 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 609.104942][ T7721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 609.115217][ T7721] Call Trace: [ 609.118780][ T7721] [ 609.121912][ T7721] dump_stack_lvl+0x125/0x1b0 [ 609.127003][ T7721] sysfs_warn_dup+0x7f/0xa0 [ 609.131631][ T7721] sysfs_create_dir_ns+0x247/0x2a0 [ 609.137422][ T7721] ? sysfs_create_mount_point+0xb0/0xb0 [ 609.143190][ T7721] ? spin_bug+0x1d0/0x1d0 [ 609.147913][ T7721] ? net_namespace+0x12/0x40 [ 609.152527][ T7721] ? device_namespace+0x8d/0xc0 [ 609.157452][ T7721] kobject_add_internal+0x2c8/0x960 [ 609.163161][ T7721] kobject_add+0x16f/0x240 [ 609.167713][ T7721] ? kset_create_and_add+0x190/0x190 [ 609.173141][ T7721] ? do_raw_spin_unlock+0x173/0x230 [ 609.178841][ T7721] ? kobject_put+0xbe/0x440 [ 609.183491][ T7721] ? device_add+0xc35/0x1aa0 [ 609.188126][ T7721] device_add+0x289/0x1aa0 [ 609.192751][ T7721] ? device_initialize+0x510/0x510 [ 609.198093][ T7721] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 609.205432][ T7721] ? __init_waitqueue_head+0xca/0x150 [ 609.211147][ T7721] netdev_register_kobject+0x183/0x3f0 [ 609.216692][ T7721] register_netdevice+0xbdf/0x14a0 [ 609.222191][ T7721] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 609.228869][ T7721] ? team_nl_cmd_noop+0x280/0x280 [ 609.234659][ T7721] team_newlink+0x92/0x160 [ 609.240089][ T7721] ? team_nl_cmd_noop+0x280/0x280 [ 609.245683][ T7721] ? rtnl_create_link+0xa6d/0xfd0 [ 609.250754][ T7721] __rtnl_newlink+0x1173/0x1930 [ 609.255995][ T7721] ? rtnl_link_unregister+0x260/0x260 [ 609.262248][ T7721] rtnl_newlink+0x67/0xa0 [ 609.266642][ T7721] ? __rtnl_newlink+0x1930/0x1930 [ 609.271979][ T7721] rtnetlink_rcv_msg+0x3c7/0xe00 [ 609.277228][ T7721] ? rtnl_getlink+0xb40/0xb40 [ 609.283621][ T7721] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 609.290667][ T7721] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 609.297767][ T7721] netlink_rcv_skb+0x16b/0x440 [ 609.303115][ T7721] ? rtnl_getlink+0xb40/0xb40 [ 609.308537][ T7721] ? netlink_ack+0x1370/0x1370 [ 609.313517][ T7721] ? lock_sync+0x190/0x190 [ 609.318093][ T7721] ? netlink_deliver_tap+0x1a0/0xd00 [ 609.323589][ T7721] ? _copy_from_iter+0x2c1/0x10f0 [ 609.328772][ T7721] netlink_unicast+0x53b/0x810 [ 609.334300][ T7721] ? netlink_attachskb+0x880/0x880 [ 609.339969][ T7721] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 609.345983][ T7721] ? __phys_addr_symbol+0x30/0x70 [ 609.351139][ T7721] ? __check_object_size+0x323/0x730 [ 609.356645][ T7721] netlink_sendmsg+0x93c/0xe40 [ 609.361970][ T7721] ? netlink_unicast+0x810/0x810 [ 609.367147][ T7721] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 609.372545][ T7721] ? netlink_unicast+0x810/0x810 [ 609.377524][ T7721] __sock_sendmsg+0xd5/0x180 [ 609.382232][ T7721] ____sys_sendmsg+0x6ac/0x940 [ 609.387637][ T7721] ? copy_msghdr_from_user+0x10b/0x160 [ 609.393866][ T7721] ? kernel_sendmsg+0x50/0x50 [ 609.398770][ T7721] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 609.405597][ T7721] ___sys_sendmsg+0x135/0x1d0 [ 609.410337][ T7721] ? do_recvmmsg+0x740/0x740 [ 609.415510][ T7721] ? find_held_lock+0x2d/0x110 [ 609.420521][ T7721] ? preempt_count_sub+0x150/0x150 [ 609.425956][ T7721] ? __fget_light+0x1fc/0x260 [ 609.430698][ T7721] __sys_sendmsg+0x117/0x1e0 [ 609.435426][ T7721] ? __sys_sendmsg_sock+0x30/0x30 [ 609.440598][ T7721] ? syscall_enter_from_user_mode+0x26/0x80 [ 609.446785][ T7721] do_syscall_64+0x3f/0x110 [ 609.451326][ T7721] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 609.457250][ T7721] RIP: 0033:0x7f2631248c19 [ 609.461740][ T7721] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 609.481813][ T7721] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 609.490958][ T7721] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 609.499387][ T7721] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 609.507732][ T7721] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 609.515993][ T7721] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 609.524071][ T7721] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 609.532443][ T7721] [ 609.537312][ T7721] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 609.564020][ T7721] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 609.573507][ T7721] CPU: 0 PID: 7721 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 609.583773][ T7721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 609.594024][ T7721] Call Trace: [ 609.597418][ T7721] [ 609.600365][ T7721] dump_stack_lvl+0x125/0x1b0 [ 609.605287][ T7721] sysfs_warn_dup+0x7f/0xa0 [ 609.609910][ T7721] sysfs_create_dir_ns+0x247/0x2a0 [ 609.615441][ T7721] ? sysfs_create_mount_point+0xb0/0xb0 [ 609.621204][ T7721] ? spin_bug+0x1d0/0x1d0 [ 609.625736][ T7721] ? net_namespace+0x12/0x40 [ 609.630465][ T7721] ? device_namespace+0x8d/0xc0 [ 609.635365][ T7721] kobject_add_internal+0x2c8/0x960 [ 609.640635][ T7721] kobject_add+0x16f/0x240 [ 609.645186][ T7721] ? kset_create_and_add+0x190/0x190 [ 609.650623][ T7721] ? do_raw_spin_unlock+0x173/0x230 [ 609.655881][ T7721] ? kobject_put+0xbe/0x440 [ 609.660521][ T7721] ? device_add+0xc35/0x1aa0 [ 609.665220][ T7721] device_add+0x289/0x1aa0 [ 609.669669][ T7721] ? device_initialize+0x510/0x510 [ 609.674821][ T7721] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 609.681893][ T7721] ? __init_waitqueue_head+0xca/0x150 [ 609.687479][ T7721] netdev_register_kobject+0x183/0x3f0 [ 609.693019][ T7721] register_netdevice+0xbdf/0x14a0 [ 609.700098][ T7721] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 609.706020][ T7721] ? validate_linkmsg+0x6fc/0x9c0 [ 609.711125][ T7721] ? rtnl_create_link+0xa6d/0xfd0 [ 609.716380][ T7721] ? batadv_get_sset_count+0x40/0x40 [ 609.722493][ T7721] batadv_softif_newlink+0x70/0x90 [ 609.728253][ T7721] __rtnl_newlink+0x1173/0x1930 [ 609.733855][ T7721] ? rtnl_link_unregister+0x260/0x260 [ 609.739336][ T7721] rtnl_newlink+0x67/0xa0 [ 609.743962][ T7721] ? __rtnl_newlink+0x1930/0x1930 [ 609.749197][ T7721] rtnetlink_rcv_msg+0x3c7/0xe00 [ 609.754269][ T7721] ? rtnl_getlink+0xb40/0xb40 [ 609.759149][ T7721] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 609.765270][ T7721] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 609.772090][ T7721] netlink_rcv_skb+0x16b/0x440 [ 609.776991][ T7721] ? rtnl_getlink+0xb40/0xb40 [ 609.781965][ T7721] ? netlink_ack+0x1370/0x1370 [ 609.787041][ T7721] ? lock_sync+0x190/0x190 [ 609.791632][ T7721] ? netlink_deliver_tap+0x1a0/0xd00 [ 609.797304][ T7721] ? _copy_from_iter+0x2c1/0x10f0 [ 609.802465][ T7721] netlink_unicast+0x53b/0x810 [ 609.807357][ T7721] ? netlink_attachskb+0x880/0x880 [ 609.813222][ T7721] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 609.819233][ T7721] ? __phys_addr_symbol+0x30/0x70 [ 609.824464][ T7721] ? __check_object_size+0x323/0x730 [ 609.829794][ T7721] netlink_sendmsg+0x93c/0xe40 [ 609.834771][ T7721] ? netlink_unicast+0x810/0x810 [ 609.839832][ T7721] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 609.845170][ T7721] ? netlink_unicast+0x810/0x810 [ 609.850325][ T7721] __sock_sendmsg+0xd5/0x180 [ 609.855203][ T7721] ____sys_sendmsg+0x6ac/0x940 [ 609.860165][ T7721] ? copy_msghdr_from_user+0x10b/0x160 [ 609.866003][ T7721] ? kernel_sendmsg+0x50/0x50 [ 609.871249][ T7721] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 609.877361][ T7721] ___sys_sendmsg+0x135/0x1d0 [ 609.882594][ T7721] ? do_recvmmsg+0x740/0x740 [ 609.887384][ T7721] ? find_held_lock+0x2d/0x110 [ 609.893122][ T7721] ? preempt_count_sub+0x150/0x150 [ 609.899143][ T7721] ? __fget_light+0x1fc/0x260 [ 609.904495][ T7721] __sys_sendmsg+0x117/0x1e0 [ 609.909408][ T7721] ? __sys_sendmsg_sock+0x30/0x30 [ 609.914683][ T7721] ? syscall_enter_from_user_mode+0x26/0x80 [ 609.920895][ T7721] do_syscall_64+0x3f/0x110 [ 609.925615][ T7721] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 609.931539][ T7721] RIP: 0033:0x7f2631248c19 [ 609.936236][ T7721] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 609.956960][ T7721] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 609.965551][ T7721] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 609.973749][ T7721] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 609.981925][ T7721] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 609.990191][ T7721] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 609.998988][ T7721] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 610.008398][ T7721] [ 610.012335][ T7721] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 610.091805][ T7722] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 610.103766][ T7722] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 610.113316][ T7722] CPU: 0 PID: 7722 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 610.123850][ T7722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 610.134115][ T7722] Call Trace: [ 610.137587][ T7722] [ 610.140547][ T7722] dump_stack_lvl+0x125/0x1b0 [ 610.145391][ T7722] sysfs_warn_dup+0x7f/0xa0 [ 610.149981][ T7722] sysfs_create_dir_ns+0x247/0x2a0 [ 610.155592][ T7722] ? sysfs_create_mount_point+0xb0/0xb0 [ 610.161529][ T7722] ? spin_bug+0x1d0/0x1d0 [ 610.165902][ T7722] ? net_namespace+0x12/0x40 [ 610.170601][ T7722] ? device_namespace+0x8d/0xc0 [ 610.175926][ T7722] kobject_add_internal+0x2c8/0x960 [ 610.181538][ T7722] kobject_add+0x16f/0x240 [ 610.186123][ T7722] ? kset_create_and_add+0x190/0x190 [ 610.191619][ T7722] ? do_raw_spin_unlock+0x173/0x230 [ 610.196971][ T7722] ? kobject_put+0xbe/0x440 [ 610.201707][ T7722] ? device_add+0xc35/0x1aa0 [ 610.206506][ T7722] device_add+0x289/0x1aa0 [ 610.211146][ T7722] ? device_initialize+0x510/0x510 [ 610.216299][ T7722] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 610.225110][ T7722] ? __init_waitqueue_head+0xca/0x150 [ 610.230818][ T7722] netdev_register_kobject+0x183/0x3f0 [ 610.237443][ T7722] register_netdevice+0xbdf/0x14a0 [ 610.242672][ T7722] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 610.248772][ T7722] ? team_nl_cmd_noop+0x280/0x280 [ 610.254173][ T7722] team_newlink+0x92/0x160 [ 610.258893][ T7722] ? team_nl_cmd_noop+0x280/0x280 [ 610.264671][ T7722] ? rtnl_create_link+0xa6d/0xfd0 [ 610.270569][ T7722] __rtnl_newlink+0x1173/0x1930 [ 610.275581][ T7722] ? rtnl_link_unregister+0x260/0x260 [ 610.281720][ T7722] rtnl_newlink+0x67/0xa0 [ 610.286359][ T7722] ? __rtnl_newlink+0x1930/0x1930 [ 610.292002][ T7722] rtnetlink_rcv_msg+0x3c7/0xe00 [ 610.297762][ T7722] ? rtnl_getlink+0xb40/0xb40 [ 610.302585][ T7722] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 610.309163][ T7722] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 610.315665][ T7722] netlink_rcv_skb+0x16b/0x440 [ 610.320833][ T7722] ? rtnl_getlink+0xb40/0xb40 [ 610.325681][ T7722] ? netlink_ack+0x1370/0x1370 [ 610.330515][ T7722] ? lock_sync+0x190/0x190 [ 610.335283][ T7722] ? netlink_deliver_tap+0x1a0/0xd00 [ 610.340877][ T7722] ? _copy_from_iter+0x2c1/0x10f0 [ 610.346121][ T7722] netlink_unicast+0x53b/0x810 [ 610.351011][ T7722] ? netlink_attachskb+0x880/0x880 [ 610.356302][ T7722] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 610.362575][ T7722] ? __phys_addr_symbol+0x30/0x70 [ 610.368422][ T7722] ? __check_object_size+0x323/0x730 [ 610.373921][ T7722] netlink_sendmsg+0x93c/0xe40 [ 610.378730][ T7722] ? netlink_unicast+0x810/0x810 [ 610.383795][ T7722] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 610.389196][ T7722] ? netlink_unicast+0x810/0x810 [ 610.394452][ T7722] __sock_sendmsg+0xd5/0x180 [ 610.399343][ T7722] ____sys_sendmsg+0x6ac/0x940 [ 610.404429][ T7722] ? copy_msghdr_from_user+0x10b/0x160 [ 610.410020][ T7722] ? kernel_sendmsg+0x50/0x50 [ 610.415127][ T7722] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 610.423830][ T7722] ___sys_sendmsg+0x135/0x1d0 [ 610.429997][ T7722] ? do_recvmmsg+0x740/0x740 [ 610.434745][ T7722] ? find_held_lock+0x2d/0x110 [ 610.440021][ T7722] ? preempt_count_sub+0x150/0x150 [ 610.445367][ T7722] ? __fget_light+0x1fc/0x260 [ 610.450439][ T7722] __sys_sendmsg+0x117/0x1e0 [ 610.455571][ T7722] ? __sys_sendmsg_sock+0x30/0x30 [ 610.461452][ T7722] ? syscall_enter_from_user_mode+0x26/0x80 [ 610.468275][ T7722] do_syscall_64+0x3f/0x110 [ 610.473000][ T7722] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 610.479286][ T7722] RIP: 0033:0x7f2631248c19 [ 610.483719][ T7722] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 610.503940][ T7722] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 610.512574][ T7722] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 610.521322][ T7722] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 610.529954][ T7722] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 610.538048][ T7722] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 610.546131][ T7722] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 610.554145][ T7722] [ 610.560924][ T7722] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 610.587976][ T7722] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 610.597984][ T7722] CPU: 0 PID: 7722 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 610.608173][ T7722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 610.618949][ T7722] Call Trace: [ 610.622564][ T7722] [ 610.625604][ T7722] dump_stack_lvl+0x125/0x1b0 [ 610.630752][ T7722] sysfs_warn_dup+0x7f/0xa0 [ 610.635391][ T7722] sysfs_create_dir_ns+0x247/0x2a0 [ 610.640903][ T7722] ? sysfs_create_mount_point+0xb0/0xb0 [ 610.646780][ T7722] ? spin_bug+0x1d0/0x1d0 [ 610.651155][ T7722] ? net_namespace+0x12/0x40 [ 610.655866][ T7722] ? device_namespace+0x8d/0xc0 [ 610.660848][ T7722] kobject_add_internal+0x2c8/0x960 [ 610.666086][ T7722] kobject_add+0x16f/0x240 [ 610.670704][ T7722] ? kset_create_and_add+0x190/0x190 [ 610.676180][ T7722] ? do_raw_spin_unlock+0x173/0x230 [ 610.682054][ T7722] ? kobject_put+0xbe/0x440 [ 610.687124][ T7722] ? device_add+0xc35/0x1aa0 [ 610.691857][ T7722] device_add+0x289/0x1aa0 [ 610.696407][ T7722] ? device_initialize+0x510/0x510 [ 610.701653][ T7722] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 610.709256][ T7722] ? __init_waitqueue_head+0xca/0x150 [ 610.714969][ T7722] netdev_register_kobject+0x183/0x3f0 [ 610.720624][ T7722] register_netdevice+0xbdf/0x14a0 [ 610.725765][ T7722] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 610.731934][ T7722] ? validate_linkmsg+0x6fc/0x9c0 [ 610.736977][ T7722] ? rtnl_create_link+0xa6d/0xfd0 [ 610.742015][ T7722] ? batadv_get_sset_count+0x40/0x40 [ 610.747319][ T7722] batadv_softif_newlink+0x70/0x90 [ 610.752540][ T7722] __rtnl_newlink+0x1173/0x1930 [ 610.757410][ T7722] ? rtnl_link_unregister+0x260/0x260 [ 610.763000][ T7722] rtnl_newlink+0x67/0xa0 [ 610.767344][ T7722] ? __rtnl_newlink+0x1930/0x1930 [ 610.772376][ T7722] rtnetlink_rcv_msg+0x3c7/0xe00 [ 610.777346][ T7722] ? rtnl_getlink+0xb40/0xb40 [ 610.782121][ T7722] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 610.788565][ T7722] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 610.794761][ T7722] netlink_rcv_skb+0x16b/0x440 [ 610.799808][ T7722] ? rtnl_getlink+0xb40/0xb40 [ 610.804765][ T7722] ? netlink_ack+0x1370/0x1370 [ 610.809665][ T7722] ? lock_sync+0x190/0x190 [ 610.814206][ T7722] ? netlink_deliver_tap+0x1a0/0xd00 [ 610.819865][ T7722] ? _copy_from_iter+0x2c1/0x10f0 [ 610.825166][ T7722] netlink_unicast+0x53b/0x810 [ 610.830168][ T7722] ? netlink_attachskb+0x880/0x880 [ 610.835425][ T7722] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 610.842149][ T7722] ? __phys_addr_symbol+0x30/0x70 [ 610.847196][ T7722] ? __check_object_size+0x323/0x730 [ 610.853110][ T7722] netlink_sendmsg+0x93c/0xe40 [ 610.857980][ T7722] ? netlink_unicast+0x810/0x810 [ 610.863018][ T7722] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 610.868318][ T7722] ? netlink_unicast+0x810/0x810 [ 610.873450][ T7722] __sock_sendmsg+0xd5/0x180 [ 610.878327][ T7722] ____sys_sendmsg+0x6ac/0x940 [ 610.883198][ T7722] ? copy_msghdr_from_user+0x10b/0x160 [ 610.889666][ T7722] ? kernel_sendmsg+0x50/0x50 [ 610.894529][ T7722] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 610.900972][ T7722] ___sys_sendmsg+0x135/0x1d0 [ 610.905688][ T7722] ? do_recvmmsg+0x740/0x740 [ 610.910460][ T7722] ? find_held_lock+0x2d/0x110 [ 610.915422][ T7722] ? preempt_count_sub+0x150/0x150 [ 610.920558][ T7722] ? __fget_light+0x1fc/0x260 [ 610.925494][ T7722] __sys_sendmsg+0x117/0x1e0 [ 610.930354][ T7722] ? __sys_sendmsg_sock+0x30/0x30 [ 610.936013][ T7722] ? syscall_enter_from_user_mode+0x26/0x80 [ 610.942025][ T7722] do_syscall_64+0x3f/0x110 [ 610.946574][ T7722] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 610.952590][ T7722] RIP: 0033:0x7f2631248c19 [ 610.957216][ T7722] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 610.977891][ T7722] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 610.986422][ T7722] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 610.994622][ T7722] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 611.003067][ T7722] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 611.011053][ T7722] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 611.019123][ T7722] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 611.027377][ T7722] [ 611.031941][ T7722] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 611.105211][ T7723] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 611.119294][ T7723] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 611.128621][ T7723] CPU: 1 PID: 7723 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 611.138894][ T7723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 611.149420][ T7723] Call Trace: [ 611.152807][ T7723] [ 611.155851][ T7723] dump_stack_lvl+0x125/0x1b0 [ 611.160664][ T7723] sysfs_warn_dup+0x7f/0xa0 [ 611.165209][ T7723] sysfs_create_dir_ns+0x247/0x2a0 [ 611.170705][ T7723] ? sysfs_create_mount_point+0xb0/0xb0 [ 611.176272][ T7723] ? spin_bug+0x1d0/0x1d0 [ 611.181138][ T7723] ? net_namespace+0x12/0x40 [ 611.185766][ T7723] ? device_namespace+0x8d/0xc0 [ 611.190807][ T7723] kobject_add_internal+0x2c8/0x960 [ 611.196039][ T7723] kobject_add+0x16f/0x240 [ 611.200991][ T7723] ? kset_create_and_add+0x190/0x190 [ 611.206727][ T7723] ? do_raw_spin_unlock+0x173/0x230 [ 611.211945][ T7723] ? kobject_put+0xbe/0x440 [ 611.216481][ T7723] ? device_add+0xc35/0x1aa0 [ 611.221260][ T7723] device_add+0x289/0x1aa0 [ 611.225689][ T7723] ? device_initialize+0x510/0x510 [ 611.231150][ T7723] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 611.238210][ T7723] ? __init_waitqueue_head+0xca/0x150 [ 611.243889][ T7723] netdev_register_kobject+0x183/0x3f0 [ 611.249391][ T7723] register_netdevice+0xbdf/0x14a0 [ 611.254542][ T7723] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 611.260848][ T7723] ? team_nl_cmd_noop+0x280/0x280 [ 611.265988][ T7723] team_newlink+0x92/0x160 [ 611.270519][ T7723] ? team_nl_cmd_noop+0x280/0x280 [ 611.276254][ T7723] ? rtnl_create_link+0xa6d/0xfd0 [ 611.281696][ T7723] __rtnl_newlink+0x1173/0x1930 [ 611.287217][ T7723] ? rtnl_link_unregister+0x260/0x260 [ 611.292767][ T7723] rtnl_newlink+0x67/0xa0 [ 611.297469][ T7723] ? __rtnl_newlink+0x1930/0x1930 [ 611.303027][ T7723] rtnetlink_rcv_msg+0x3c7/0xe00 [ 611.308265][ T7723] ? rtnl_getlink+0xb40/0xb40 [ 611.313068][ T7723] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 611.319069][ T7723] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 611.325358][ T7723] netlink_rcv_skb+0x16b/0x440 [ 611.330324][ T7723] ? rtnl_getlink+0xb40/0xb40 [ 611.335406][ T7723] ? netlink_ack+0x1370/0x1370 [ 611.340276][ T7723] ? lock_sync+0x190/0x190 [ 611.344721][ T7723] ? netlink_deliver_tap+0x1a0/0xd00 [ 611.350050][ T7723] ? _copy_from_iter+0x2c1/0x10f0 [ 611.355283][ T7723] netlink_unicast+0x53b/0x810 [ 611.360151][ T7723] ? netlink_attachskb+0x880/0x880 [ 611.365377][ T7723] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 611.372877][ T7723] ? __phys_addr_symbol+0x30/0x70 [ 611.377950][ T7723] ? __check_object_size+0x323/0x730 [ 611.383294][ T7723] netlink_sendmsg+0x93c/0xe40 [ 611.388534][ T7723] ? netlink_unicast+0x810/0x810 [ 611.393607][ T7723] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 611.399133][ T7723] ? netlink_unicast+0x810/0x810 [ 611.404126][ T7723] __sock_sendmsg+0xd5/0x180 [ 611.408923][ T7723] ____sys_sendmsg+0x6ac/0x940 [ 611.413897][ T7723] ? copy_msghdr_from_user+0x10b/0x160 [ 611.419593][ T7723] ? kernel_sendmsg+0x50/0x50 [ 611.424592][ T7723] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 611.430953][ T7723] ___sys_sendmsg+0x135/0x1d0 [ 611.436136][ T7723] ? do_recvmmsg+0x740/0x740 [ 611.440868][ T7723] ? find_held_lock+0x2d/0x110 [ 611.446312][ T7723] ? preempt_count_sub+0x150/0x150 [ 611.451686][ T7723] ? __fget_light+0x1fc/0x260 [ 611.456572][ T7723] __sys_sendmsg+0x117/0x1e0 [ 611.461795][ T7723] ? __sys_sendmsg_sock+0x30/0x30 [ 611.466849][ T7723] ? syscall_enter_from_user_mode+0x26/0x80 [ 611.472756][ T7723] do_syscall_64+0x3f/0x110 [ 611.477303][ T7723] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 611.483307][ T7723] RIP: 0033:0x7f2631248c19 [ 611.487751][ T7723] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 611.509233][ T7723] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 611.517837][ T7723] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 611.525830][ T7723] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 611.534683][ T7723] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 611.543094][ T7723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 611.551305][ T7723] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 611.559482][ T7723] [ 611.569445][ T7723] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 611.607490][ T7723] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 611.622362][ T7723] CPU: 1 PID: 7723 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 611.632752][ T7723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 611.643270][ T7723] Call Trace: [ 611.646570][ T7723] [ 611.649518][ T7723] dump_stack_lvl+0x125/0x1b0 [ 611.654511][ T7723] sysfs_warn_dup+0x7f/0xa0 [ 611.659339][ T7723] sysfs_create_dir_ns+0x247/0x2a0 [ 611.664593][ T7723] ? sysfs_create_mount_point+0xb0/0xb0 [ 611.670306][ T7723] ? spin_bug+0x1d0/0x1d0 [ 611.674811][ T7723] ? net_namespace+0x12/0x40 [ 611.679602][ T7723] ? device_namespace+0x8d/0xc0 [ 611.685420][ T7723] kobject_add_internal+0x2c8/0x960 [ 611.690840][ T7723] kobject_add+0x16f/0x240 [ 611.695652][ T7723] ? kset_create_and_add+0x190/0x190 [ 611.701280][ T7723] ? do_raw_spin_unlock+0x173/0x230 [ 611.706803][ T7723] ? kobject_put+0xbe/0x440 [ 611.711629][ T7723] ? device_add+0xc35/0x1aa0 [ 611.716457][ T7723] device_add+0x289/0x1aa0 [ 611.720916][ T7723] ? device_initialize+0x510/0x510 [ 611.726263][ T7723] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 611.733257][ T7723] ? __init_waitqueue_head+0xca/0x150 [ 611.738945][ T7723] netdev_register_kobject+0x183/0x3f0 [ 611.744533][ T7723] register_netdevice+0xbdf/0x14a0 [ 611.749686][ T7723] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 611.755781][ T7723] ? validate_linkmsg+0x6fc/0x9c0 [ 611.761028][ T7723] ? rtnl_create_link+0xa6d/0xfd0 [ 611.766183][ T7723] ? batadv_get_sset_count+0x40/0x40 [ 611.771638][ T7723] batadv_softif_newlink+0x70/0x90 [ 611.776886][ T7723] __rtnl_newlink+0x1173/0x1930 [ 611.782052][ T7723] ? rtnl_link_unregister+0x260/0x260 [ 611.787584][ T7723] rtnl_newlink+0x67/0xa0 [ 611.792471][ T7723] ? __rtnl_newlink+0x1930/0x1930 [ 611.797528][ T7723] rtnetlink_rcv_msg+0x3c7/0xe00 [ 611.803303][ T7723] ? rtnl_getlink+0xb40/0xb40 [ 611.808091][ T7723] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 611.814382][ T7723] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 611.821022][ T7723] netlink_rcv_skb+0x16b/0x440 [ 611.826176][ T7723] ? rtnl_getlink+0xb40/0xb40 [ 611.830972][ T7723] ? netlink_ack+0x1370/0x1370 [ 611.835774][ T7723] ? lock_sync+0x190/0x190 [ 611.840694][ T7723] ? netlink_deliver_tap+0x1a0/0xd00 [ 611.846125][ T7723] ? _copy_from_iter+0x2c1/0x10f0 [ 611.851567][ T7723] netlink_unicast+0x53b/0x810 [ 611.856380][ T7723] ? netlink_attachskb+0x880/0x880 [ 611.861544][ T7723] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 611.867688][ T7723] ? __phys_addr_symbol+0x30/0x70 [ 611.872759][ T7723] ? __check_object_size+0x323/0x730 [ 611.878277][ T7723] netlink_sendmsg+0x93c/0xe40 [ 611.883525][ T7723] ? netlink_unicast+0x810/0x810 [ 611.888676][ T7723] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 611.894887][ T7723] ? netlink_unicast+0x810/0x810 [ 611.900152][ T7723] __sock_sendmsg+0xd5/0x180 [ 611.904957][ T7723] ____sys_sendmsg+0x6ac/0x940 [ 611.909933][ T7723] ? copy_msghdr_from_user+0x10b/0x160 [ 611.915685][ T7723] ? kernel_sendmsg+0x50/0x50 [ 611.920797][ T7723] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 611.927697][ T7723] ___sys_sendmsg+0x135/0x1d0 [ 611.932415][ T7723] ? do_recvmmsg+0x740/0x740 [ 611.937037][ T7723] ? find_held_lock+0x2d/0x110 [ 611.941850][ T7723] ? preempt_count_sub+0x150/0x150 [ 611.947090][ T7723] ? __fget_light+0x1fc/0x260 [ 611.952151][ T7723] __sys_sendmsg+0x117/0x1e0 [ 611.956781][ T7723] ? __sys_sendmsg_sock+0x30/0x30 [ 611.961941][ T7723] ? syscall_enter_from_user_mode+0x26/0x80 [ 611.968042][ T7723] do_syscall_64+0x3f/0x110 [ 611.972846][ T7723] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 611.978797][ T7723] RIP: 0033:0x7f2631248c19 [ 611.983229][ T7723] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 612.003552][ T7723] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 612.012188][ T7723] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 612.020459][ T7723] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 612.028977][ T7723] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 612.037337][ T7723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 612.045610][ T7723] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 612.053976][ T7723] [ 612.059082][ T7723] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 612.147044][ T7724] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 612.162490][ T7724] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 612.174156][ T7724] CPU: 1 PID: 7724 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 612.184627][ T7724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 612.194968][ T7724] Call Trace: [ 612.198736][ T7724] [ 612.201689][ T7724] dump_stack_lvl+0x125/0x1b0 [ 612.207009][ T7724] sysfs_warn_dup+0x7f/0xa0 [ 612.211550][ T7724] sysfs_create_dir_ns+0x247/0x2a0 [ 612.216795][ T7724] ? sysfs_create_mount_point+0xb0/0xb0 [ 612.222489][ T7724] ? spin_bug+0x1d0/0x1d0 [ 612.226854][ T7724] ? net_namespace+0x12/0x40 [ 612.231811][ T7724] ? device_namespace+0x8d/0xc0 [ 612.236706][ T7724] kobject_add_internal+0x2c8/0x960 [ 612.242160][ T7724] kobject_add+0x16f/0x240 [ 612.246644][ T7724] ? kset_create_and_add+0x190/0x190 [ 612.252070][ T7724] ? do_raw_spin_unlock+0x173/0x230 [ 612.257591][ T7724] ? kobject_put+0xbe/0x440 [ 612.262303][ T7724] ? device_add+0xc35/0x1aa0 [ 612.267181][ T7724] device_add+0x289/0x1aa0 [ 612.271625][ T7724] ? device_initialize+0x510/0x510 [ 612.276966][ T7724] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 612.284016][ T7724] ? __init_waitqueue_head+0xca/0x150 [ 612.289421][ T7724] netdev_register_kobject+0x183/0x3f0 [ 612.295250][ T7724] register_netdevice+0xbdf/0x14a0 [ 612.300640][ T7724] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 612.306999][ T7724] ? team_nl_cmd_noop+0x280/0x280 [ 612.312338][ T7724] team_newlink+0x92/0x160 [ 612.316791][ T7724] ? team_nl_cmd_noop+0x280/0x280 [ 612.321916][ T7724] ? rtnl_create_link+0xa6d/0xfd0 [ 612.326963][ T7724] __rtnl_newlink+0x1173/0x1930 [ 612.331836][ T7724] ? rtnl_link_unregister+0x260/0x260 [ 612.337346][ T7724] rtnl_newlink+0x67/0xa0 [ 612.341776][ T7724] ? __rtnl_newlink+0x1930/0x1930 [ 612.346912][ T7724] rtnetlink_rcv_msg+0x3c7/0xe00 [ 612.352006][ T7724] ? rtnl_getlink+0xb40/0xb40 [ 612.356789][ T7724] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 612.362876][ T7724] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 612.369082][ T7724] netlink_rcv_skb+0x16b/0x440 [ 612.374043][ T7724] ? rtnl_getlink+0xb40/0xb40 [ 612.379075][ T7724] ? netlink_ack+0x1370/0x1370 [ 612.384030][ T7724] ? lock_sync+0x190/0x190 [ 612.388566][ T7724] ? netlink_deliver_tap+0x1a0/0xd00 [ 612.393877][ T7724] ? _copy_from_iter+0x2c1/0x10f0 [ 612.399008][ T7724] netlink_unicast+0x53b/0x810 [ 612.403985][ T7724] ? netlink_attachskb+0x880/0x880 [ 612.409192][ T7724] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 612.415551][ T7724] ? __phys_addr_symbol+0x30/0x70 [ 612.421759][ T7724] ? __check_object_size+0x323/0x730 [ 612.427164][ T7724] netlink_sendmsg+0x93c/0xe40 [ 612.432128][ T7724] ? netlink_unicast+0x810/0x810 [ 612.437285][ T7724] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 612.442792][ T7724] ? netlink_unicast+0x810/0x810 [ 612.448017][ T7724] __sock_sendmsg+0xd5/0x180 [ 612.452792][ T7724] ____sys_sendmsg+0x6ac/0x940 [ 612.457599][ T7724] ? copy_msghdr_from_user+0x10b/0x160 [ 612.463183][ T7724] ? kernel_sendmsg+0x50/0x50 [ 612.468053][ T7724] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 612.474062][ T7724] ___sys_sendmsg+0x135/0x1d0 [ 612.479055][ T7724] ? do_recvmmsg+0x740/0x740 [ 612.483771][ T7724] ? find_held_lock+0x2d/0x110 [ 612.488597][ T7724] ? preempt_count_sub+0x150/0x150 [ 612.493741][ T7724] ? __fget_light+0x1fc/0x260 [ 612.498986][ T7724] __sys_sendmsg+0x117/0x1e0 [ 612.503709][ T7724] ? __sys_sendmsg_sock+0x30/0x30 [ 612.508948][ T7724] ? syscall_enter_from_user_mode+0x26/0x80 [ 612.514867][ T7724] do_syscall_64+0x3f/0x110 [ 612.519807][ T7724] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 612.525816][ T7724] RIP: 0033:0x7f2631248c19 [ 612.530327][ T7724] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 612.550547][ T7724] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 612.559066][ T7724] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 612.567149][ T7724] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 612.575491][ T7724] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 612.583642][ T7724] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 612.592150][ T7724] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 612.600239][ T7724] [ 612.608953][ T7724] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 612.643280][ T7724] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 612.652933][ T7724] CPU: 1 PID: 7724 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 612.663493][ T7724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 612.673582][ T7724] Call Trace: [ 612.676965][ T7724] [ 612.679983][ T7724] dump_stack_lvl+0x125/0x1b0 [ 612.684691][ T7724] sysfs_warn_dup+0x7f/0xa0 [ 612.689585][ T7724] sysfs_create_dir_ns+0x247/0x2a0 [ 612.695261][ T7724] ? sysfs_create_mount_point+0xb0/0xb0 [ 612.701129][ T7724] ? spin_bug+0x1d0/0x1d0 [ 612.705927][ T7724] ? net_namespace+0x12/0x40 [ 612.710655][ T7724] ? device_namespace+0x8d/0xc0 [ 612.715967][ T7724] kobject_add_internal+0x2c8/0x960 [ 612.721334][ T7724] kobject_add+0x16f/0x240 [ 612.726070][ T7724] ? kset_create_and_add+0x190/0x190 [ 612.731617][ T7724] ? do_raw_spin_unlock+0x173/0x230 [ 612.736858][ T7724] ? kobject_put+0xbe/0x440 [ 612.741492][ T7724] ? device_add+0xc35/0x1aa0 [ 612.746116][ T7724] device_add+0x289/0x1aa0 [ 612.750562][ T7724] ? device_initialize+0x510/0x510 [ 612.756084][ T7724] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 612.762980][ T7724] ? __init_waitqueue_head+0xca/0x150 [ 612.768822][ T7724] netdev_register_kobject+0x183/0x3f0 [ 612.774337][ T7724] register_netdevice+0xbdf/0x14a0 [ 612.779484][ T7724] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 612.785497][ T7724] ? validate_linkmsg+0x6fc/0x9c0 [ 612.790624][ T7724] ? rtnl_create_link+0xa6d/0xfd0 [ 612.795813][ T7724] ? batadv_get_sset_count+0x40/0x40 [ 612.801256][ T7724] batadv_softif_newlink+0x70/0x90 [ 612.806435][ T7724] __rtnl_newlink+0x1173/0x1930 [ 612.811525][ T7724] ? rtnl_link_unregister+0x260/0x260 [ 612.816979][ T7724] rtnl_newlink+0x67/0xa0 [ 612.821437][ T7724] ? __rtnl_newlink+0x1930/0x1930 [ 612.826578][ T7724] rtnetlink_rcv_msg+0x3c7/0xe00 [ 612.831557][ T7724] ? rtnl_getlink+0xb40/0xb40 [ 612.836355][ T7724] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 612.842548][ T7724] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 612.849449][ T7724] netlink_rcv_skb+0x16b/0x440 [ 612.854419][ T7724] ? rtnl_getlink+0xb40/0xb40 [ 612.859213][ T7724] ? netlink_ack+0x1370/0x1370 [ 612.864019][ T7724] ? lock_sync+0x190/0x190 [ 612.868575][ T7724] ? netlink_deliver_tap+0x1a0/0xd00 [ 612.874254][ T7724] ? _copy_from_iter+0x2c1/0x10f0 [ 612.879854][ T7724] netlink_unicast+0x53b/0x810 [ 612.885449][ T7724] ? netlink_attachskb+0x880/0x880 [ 612.891085][ T7724] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 612.897635][ T7724] ? __phys_addr_symbol+0x30/0x70 [ 612.902721][ T7724] ? __check_object_size+0x323/0x730 [ 612.908148][ T7724] netlink_sendmsg+0x93c/0xe40 [ 612.913051][ T7724] ? netlink_unicast+0x810/0x810 [ 612.918464][ T7724] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 612.924573][ T7724] ? netlink_unicast+0x810/0x810 [ 612.929542][ T7724] __sock_sendmsg+0xd5/0x180 [ 612.934350][ T7724] ____sys_sendmsg+0x6ac/0x940 [ 612.939318][ T7724] ? copy_msghdr_from_user+0x10b/0x160 [ 612.944845][ T7724] ? kernel_sendmsg+0x50/0x50 [ 612.949578][ T7724] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 612.955734][ T7724] ___sys_sendmsg+0x135/0x1d0 [ 612.960565][ T7724] ? do_recvmmsg+0x740/0x740 [ 612.965210][ T7724] ? find_held_lock+0x2d/0x110 [ 612.970112][ T7724] ? preempt_count_sub+0x150/0x150 [ 612.975265][ T7724] ? __fget_light+0x1fc/0x260 [ 612.980186][ T7724] __sys_sendmsg+0x117/0x1e0 [ 612.985344][ T7724] ? __sys_sendmsg_sock+0x30/0x30 [ 612.990448][ T7724] ? syscall_enter_from_user_mode+0x26/0x80 [ 612.996480][ T7724] do_syscall_64+0x3f/0x110 [ 613.001296][ T7724] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 613.007326][ T7724] RIP: 0033:0x7f2631248c19 [ 613.011889][ T7724] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 613.032499][ T7724] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 613.041056][ T7724] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 613.049672][ T7724] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 613.059677][ T7724] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 613.068117][ T7724] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 613.077608][ T7724] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 613.085803][ T7724] [ 613.092497][ T7724] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 613.169615][ T7725] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 613.188031][ T7725] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 613.201463][ T7725] CPU: 1 PID: 7725 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 613.212110][ T7725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 613.222352][ T7725] Call Trace: [ 613.226603][ T7725] [ 613.229846][ T7725] dump_stack_lvl+0x125/0x1b0 [ 613.234734][ T7725] sysfs_warn_dup+0x7f/0xa0 [ 613.239369][ T7725] sysfs_create_dir_ns+0x247/0x2a0 [ 613.244512][ T7725] ? sysfs_create_mount_point+0xb0/0xb0 [ 613.250170][ T7725] ? spin_bug+0x1d0/0x1d0 [ 613.254695][ T7725] ? net_namespace+0x12/0x40 [ 613.259469][ T7725] ? device_namespace+0x8d/0xc0 [ 613.264703][ T7725] kobject_add_internal+0x2c8/0x960 [ 613.270054][ T7725] kobject_add+0x16f/0x240 [ 613.274679][ T7725] ? kset_create_and_add+0x190/0x190 [ 613.280009][ T7725] ? do_raw_spin_unlock+0x173/0x230 [ 613.285402][ T7725] ? kobject_put+0xbe/0x440 [ 613.290029][ T7725] ? device_add+0xc35/0x1aa0 [ 613.295157][ T7725] device_add+0x289/0x1aa0 [ 613.299673][ T7725] ? device_initialize+0x510/0x510 [ 613.305061][ T7725] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 613.312015][ T7725] ? __init_waitqueue_head+0xca/0x150 [ 613.317837][ T7725] netdev_register_kobject+0x183/0x3f0 [ 613.323585][ T7725] register_netdevice+0xbdf/0x14a0 [ 613.328807][ T7725] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 613.334895][ T7725] ? team_nl_cmd_noop+0x280/0x280 [ 613.340018][ T7725] team_newlink+0x92/0x160 [ 613.345230][ T7725] ? team_nl_cmd_noop+0x280/0x280 [ 613.351375][ T7725] ? rtnl_create_link+0xa6d/0xfd0 [ 613.356595][ T7725] __rtnl_newlink+0x1173/0x1930 [ 613.361465][ T7725] ? rtnl_link_unregister+0x260/0x260 [ 613.367139][ T7725] rtnl_newlink+0x67/0xa0 [ 613.371506][ T7725] ? __rtnl_newlink+0x1930/0x1930 [ 613.376537][ T7725] rtnetlink_rcv_msg+0x3c7/0xe00 [ 613.382011][ T7725] ? rtnl_getlink+0xb40/0xb40 [ 613.387093][ T7725] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 613.394684][ T7725] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 613.401168][ T7725] netlink_rcv_skb+0x16b/0x440 [ 613.406911][ T7725] ? rtnl_getlink+0xb40/0xb40 [ 613.412100][ T7725] ? netlink_ack+0x1370/0x1370 [ 613.417146][ T7725] ? lock_sync+0x190/0x190 [ 613.422203][ T7725] ? netlink_deliver_tap+0x1a0/0xd00 [ 613.427586][ T7725] ? _copy_from_iter+0x2c1/0x10f0 [ 613.432807][ T7725] netlink_unicast+0x53b/0x810 [ 613.438177][ T7725] ? netlink_attachskb+0x880/0x880 [ 613.443505][ T7725] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 613.449764][ T7725] ? __phys_addr_symbol+0x30/0x70 [ 613.454831][ T7725] ? __check_object_size+0x323/0x730 [ 613.460364][ T7725] netlink_sendmsg+0x93c/0xe40 [ 613.465647][ T7725] ? netlink_unicast+0x810/0x810 [ 613.471297][ T7725] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 613.476858][ T7725] ? netlink_unicast+0x810/0x810 [ 613.481893][ T7725] __sock_sendmsg+0xd5/0x180 [ 613.486593][ T7725] ____sys_sendmsg+0x6ac/0x940 [ 613.491414][ T7725] ? copy_msghdr_from_user+0x10b/0x160 [ 613.497056][ T7725] ? kernel_sendmsg+0x50/0x50 [ 613.501853][ T7725] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 613.507866][ T7725] ___sys_sendmsg+0x135/0x1d0 [ 613.512815][ T7725] ? do_recvmmsg+0x740/0x740 [ 613.517413][ T7725] ? find_held_lock+0x2d/0x110 [ 613.522491][ T7725] ? preempt_count_sub+0x150/0x150 [ 613.527734][ T7725] ? __fget_light+0x1fc/0x260 [ 613.533140][ T7725] __sys_sendmsg+0x117/0x1e0 [ 613.538276][ T7725] ? __sys_sendmsg_sock+0x30/0x30 [ 613.543535][ T7725] ? syscall_enter_from_user_mode+0x26/0x80 [ 613.549642][ T7725] do_syscall_64+0x3f/0x110 [ 613.554278][ T7725] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 613.561158][ T7725] RIP: 0033:0x7f2631248c19 [ 613.565584][ T7725] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 613.586624][ T7725] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 613.595672][ T7725] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 613.603742][ T7725] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 613.612108][ T7725] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 613.620784][ T7725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 613.629038][ T7725] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 613.637236][ T7725] [ 613.649911][ T7725] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 613.688673][ T7725] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 613.703585][ T7725] CPU: 1 PID: 7725 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 613.714783][ T7725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 613.725054][ T7725] Call Trace: [ 613.728539][ T7725] [ 613.731602][ T7725] dump_stack_lvl+0x125/0x1b0 [ 613.736497][ T7725] sysfs_warn_dup+0x7f/0xa0 [ 613.741042][ T7725] sysfs_create_dir_ns+0x247/0x2a0 [ 613.746284][ T7725] ? sysfs_create_mount_point+0xb0/0xb0 [ 613.752053][ T7725] ? spin_bug+0x1d0/0x1d0 [ 613.756600][ T7725] ? net_namespace+0x12/0x40 [ 613.761389][ T7725] ? device_namespace+0x8d/0xc0 [ 613.766277][ T7725] kobject_add_internal+0x2c8/0x960 [ 613.771784][ T7725] kobject_add+0x16f/0x240 [ 613.777298][ T7725] ? kset_create_and_add+0x190/0x190 [ 613.782637][ T7725] ? do_raw_spin_unlock+0x173/0x230 [ 613.788145][ T7725] ? kobject_put+0xbe/0x440 [ 613.792783][ T7725] ? device_add+0xc35/0x1aa0 [ 613.797500][ T7725] device_add+0x289/0x1aa0 [ 613.802115][ T7725] ? device_initialize+0x510/0x510 [ 613.807268][ T7725] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 613.814329][ T7725] ? __init_waitqueue_head+0xca/0x150 [ 613.819787][ T7725] netdev_register_kobject+0x183/0x3f0 [ 613.825899][ T7725] register_netdevice+0xbdf/0x14a0 [ 613.831404][ T7725] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 613.837423][ T7725] ? validate_linkmsg+0x6fc/0x9c0 [ 613.843098][ T7725] ? rtnl_create_link+0xa6d/0xfd0 [ 613.848262][ T7725] ? batadv_get_sset_count+0x40/0x40 [ 613.853768][ T7725] batadv_softif_newlink+0x70/0x90 [ 613.859100][ T7725] __rtnl_newlink+0x1173/0x1930 [ 613.864091][ T7725] ? rtnl_link_unregister+0x260/0x260 [ 613.869638][ T7725] rtnl_newlink+0x67/0xa0 [ 613.874023][ T7725] ? __rtnl_newlink+0x1930/0x1930 [ 613.879271][ T7725] rtnetlink_rcv_msg+0x3c7/0xe00 [ 613.884247][ T7725] ? rtnl_getlink+0xb40/0xb40 [ 613.888965][ T7725] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 613.895250][ T7725] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 613.901289][ T7725] netlink_rcv_skb+0x16b/0x440 [ 613.906087][ T7725] ? rtnl_getlink+0xb40/0xb40 [ 613.910893][ T7725] ? netlink_ack+0x1370/0x1370 [ 613.915863][ T7725] ? lock_sync+0x190/0x190 [ 613.920365][ T7725] ? netlink_deliver_tap+0x1a0/0xd00 [ 613.925787][ T7725] ? _copy_from_iter+0x2c1/0x10f0 [ 613.931385][ T7725] netlink_unicast+0x53b/0x810 [ 613.936365][ T7725] ? netlink_attachskb+0x880/0x880 [ 613.941509][ T7725] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 613.947620][ T7725] ? __phys_addr_symbol+0x30/0x70 [ 613.952780][ T7725] ? __check_object_size+0x323/0x730 [ 613.958294][ T7725] netlink_sendmsg+0x93c/0xe40 [ 613.963100][ T7725] ? netlink_unicast+0x810/0x810 [ 613.968265][ T7725] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 613.974117][ T7725] ? netlink_unicast+0x810/0x810 [ 613.979381][ T7725] __sock_sendmsg+0xd5/0x180 [ 613.984106][ T7725] ____sys_sendmsg+0x6ac/0x940 [ 613.988981][ T7725] ? copy_msghdr_from_user+0x10b/0x160 [ 613.995343][ T7725] ? kernel_sendmsg+0x50/0x50 [ 614.000061][ T7725] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 614.006308][ T7725] ___sys_sendmsg+0x135/0x1d0 [ 614.011105][ T7725] ? do_recvmmsg+0x740/0x740 [ 614.015729][ T7725] ? find_held_lock+0x2d/0x110 [ 614.021727][ T7725] ? preempt_count_sub+0x150/0x150 [ 614.026885][ T7725] ? __fget_light+0x1fc/0x260 [ 614.031602][ T7725] __sys_sendmsg+0x117/0x1e0 [ 614.036237][ T7725] ? __sys_sendmsg_sock+0x30/0x30 [ 614.041415][ T7725] ? syscall_enter_from_user_mode+0x26/0x80 [ 614.047697][ T7725] do_syscall_64+0x3f/0x110 [ 614.052423][ T7725] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 614.058353][ T7725] RIP: 0033:0x7f2631248c19 [ 614.062799][ T7725] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 614.084620][ T7725] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 614.093597][ T7725] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 614.101686][ T7725] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 614.109796][ T7725] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 614.117885][ T7725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 614.126054][ T7725] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 614.134171][ T7725] [ 614.154744][ T7725] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 614.228792][ T7726] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 614.242458][ T7726] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 614.254695][ T7726] CPU: 1 PID: 7726 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 614.266245][ T7726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 614.276865][ T7726] Call Trace: [ 614.280423][ T7726] [ 614.283380][ T7726] dump_stack_lvl+0x125/0x1b0 [ 614.288202][ T7726] sysfs_warn_dup+0x7f/0xa0 [ 614.292874][ T7726] sysfs_create_dir_ns+0x247/0x2a0 [ 614.298400][ T7726] ? sysfs_create_mount_point+0xb0/0xb0 [ 614.304169][ T7726] ? spin_bug+0x1d0/0x1d0 [ 614.308899][ T7726] ? net_namespace+0x12/0x40 [ 614.313690][ T7726] ? device_namespace+0x8d/0xc0 [ 614.318878][ T7726] kobject_add_internal+0x2c8/0x960 [ 614.324925][ T7726] kobject_add+0x16f/0x240 [ 614.330701][ T7726] ? kset_create_and_add+0x190/0x190 [ 614.336241][ T7726] ? do_raw_spin_unlock+0x173/0x230 [ 614.341494][ T7726] ? kobject_put+0xbe/0x440 [ 614.346133][ T7726] ? device_add+0xc35/0x1aa0 [ 614.350833][ T7726] device_add+0x289/0x1aa0 [ 614.355369][ T7726] ? device_initialize+0x510/0x510 [ 614.360689][ T7726] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 614.367748][ T7726] ? __init_waitqueue_head+0xca/0x150 [ 614.373418][ T7726] netdev_register_kobject+0x183/0x3f0 [ 614.379697][ T7726] register_netdevice+0xbdf/0x14a0 [ 614.384939][ T7726] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 614.391132][ T7726] ? team_nl_cmd_noop+0x280/0x280 [ 614.396450][ T7726] team_newlink+0x92/0x160 [ 614.400943][ T7726] ? team_nl_cmd_noop+0x280/0x280 [ 614.406025][ T7726] ? rtnl_create_link+0xa6d/0xfd0 [ 614.411372][ T7726] __rtnl_newlink+0x1173/0x1930 [ 614.416347][ T7726] ? rtnl_link_unregister+0x260/0x260 [ 614.422134][ T7726] rtnl_newlink+0x67/0xa0 [ 614.426552][ T7726] ? __rtnl_newlink+0x1930/0x1930 [ 614.432504][ T7726] rtnetlink_rcv_msg+0x3c7/0xe00 [ 614.437586][ T7726] ? rtnl_getlink+0xb40/0xb40 [ 614.442319][ T7726] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 614.448792][ T7726] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 614.454858][ T7726] netlink_rcv_skb+0x16b/0x440 [ 614.459847][ T7726] ? rtnl_getlink+0xb40/0xb40 [ 614.464821][ T7726] ? netlink_ack+0x1370/0x1370 [ 614.469851][ T7726] ? lock_sync+0x190/0x190 [ 614.474630][ T7726] ? netlink_deliver_tap+0x1a0/0xd00 [ 614.480309][ T7726] ? _copy_from_iter+0x2c1/0x10f0 [ 614.485561][ T7726] netlink_unicast+0x53b/0x810 [ 614.490362][ T7726] ? netlink_attachskb+0x880/0x880 [ 614.495496][ T7726] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 614.501420][ T7726] ? __phys_addr_symbol+0x30/0x70 [ 614.506649][ T7726] ? __check_object_size+0x323/0x730 [ 614.512069][ T7726] netlink_sendmsg+0x93c/0xe40 [ 614.516958][ T7726] ? netlink_unicast+0x810/0x810 [ 614.522114][ T7726] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 614.527600][ T7726] ? netlink_unicast+0x810/0x810 [ 614.532585][ T7726] __sock_sendmsg+0xd5/0x180 [ 614.537478][ T7726] ____sys_sendmsg+0x6ac/0x940 [ 614.542272][ T7726] ? copy_msghdr_from_user+0x10b/0x160 [ 614.547760][ T7726] ? kernel_sendmsg+0x50/0x50 [ 614.552725][ T7726] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 614.558750][ T7726] ___sys_sendmsg+0x135/0x1d0 [ 614.563462][ T7726] ? do_recvmmsg+0x740/0x740 [ 614.568078][ T7726] ? find_held_lock+0x2d/0x110 [ 614.573071][ T7726] ? preempt_count_sub+0x150/0x150 [ 614.578843][ T7726] ? __fget_light+0x1fc/0x260 [ 614.583735][ T7726] __sys_sendmsg+0x117/0x1e0 [ 614.588365][ T7726] ? __sys_sendmsg_sock+0x30/0x30 [ 614.593623][ T7726] ? syscall_enter_from_user_mode+0x26/0x80 [ 614.599552][ T7726] do_syscall_64+0x3f/0x110 [ 614.604179][ T7726] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 614.610194][ T7726] RIP: 0033:0x7f2631248c19 [ 614.614629][ T7726] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 614.634620][ T7726] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 614.643334][ T7726] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 614.651683][ T7726] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 614.659946][ T7726] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 614.668135][ T7726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 614.676316][ T7726] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 614.684519][ T7726] [ 614.691255][ T7726] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 614.718462][ T7726] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 614.727987][ T7726] CPU: 0 PID: 7726 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 614.738530][ T7726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 614.749138][ T7726] Call Trace: [ 614.752441][ T7726] [ 614.755745][ T7726] dump_stack_lvl+0x125/0x1b0 [ 614.760482][ T7726] sysfs_warn_dup+0x7f/0xa0 [ 614.765260][ T7726] sysfs_create_dir_ns+0x247/0x2a0 [ 614.770420][ T7726] ? sysfs_create_mount_point+0xb0/0xb0 [ 614.776265][ T7726] ? spin_bug+0x1d0/0x1d0 [ 614.780734][ T7726] ? net_namespace+0x12/0x40 [ 614.785469][ T7726] ? device_namespace+0x8d/0xc0 [ 614.790642][ T7726] kobject_add_internal+0x2c8/0x960 [ 614.795900][ T7726] kobject_add+0x16f/0x240 [ 614.800806][ T7726] ? kset_create_and_add+0x190/0x190 [ 614.806617][ T7726] ? do_raw_spin_unlock+0x173/0x230 [ 614.812398][ T7726] ? kobject_put+0xbe/0x440 [ 614.817069][ T7726] ? device_add+0xc35/0x1aa0 [ 614.822220][ T7726] device_add+0x289/0x1aa0 [ 614.826790][ T7726] ? device_initialize+0x510/0x510 [ 614.832458][ T7726] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 614.839536][ T7726] ? __init_waitqueue_head+0xca/0x150 [ 614.845043][ T7726] netdev_register_kobject+0x183/0x3f0 [ 614.850645][ T7726] register_netdevice+0xbdf/0x14a0 [ 614.855909][ T7726] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 614.862441][ T7726] ? validate_linkmsg+0x6fc/0x9c0 [ 614.867511][ T7726] ? rtnl_create_link+0xa6d/0xfd0 [ 614.872874][ T7726] ? batadv_get_sset_count+0x40/0x40 [ 614.878505][ T7726] batadv_softif_newlink+0x70/0x90 [ 614.883843][ T7726] __rtnl_newlink+0x1173/0x1930 [ 614.888915][ T7726] ? rtnl_link_unregister+0x260/0x260 [ 614.894353][ T7726] rtnl_newlink+0x67/0xa0 [ 614.898896][ T7726] ? __rtnl_newlink+0x1930/0x1930 [ 614.904136][ T7726] rtnetlink_rcv_msg+0x3c7/0xe00 [ 614.909203][ T7726] ? rtnl_getlink+0xb40/0xb40 [ 614.914052][ T7726] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 614.920169][ T7726] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 614.926309][ T7726] netlink_rcv_skb+0x16b/0x440 [ 614.931131][ T7726] ? rtnl_getlink+0xb40/0xb40 [ 614.936102][ T7726] ? netlink_ack+0x1370/0x1370 [ 614.940991][ T7726] ? lock_sync+0x190/0x190 [ 614.945464][ T7726] ? netlink_deliver_tap+0x1a0/0xd00 [ 614.951008][ T7726] ? _copy_from_iter+0x2c1/0x10f0 [ 614.956252][ T7726] netlink_unicast+0x53b/0x810 [ 614.961149][ T7726] ? netlink_attachskb+0x880/0x880 [ 614.966289][ T7726] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 614.973019][ T7726] ? __phys_addr_symbol+0x30/0x70 [ 614.978068][ T7726] ? __check_object_size+0x323/0x730 [ 614.983580][ T7726] netlink_sendmsg+0x93c/0xe40 [ 614.988573][ T7726] ? netlink_unicast+0x810/0x810 [ 614.993732][ T7726] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 614.999315][ T7726] ? netlink_unicast+0x810/0x810 [ 615.004471][ T7726] __sock_sendmsg+0xd5/0x180 [ 615.009087][ T7726] ____sys_sendmsg+0x6ac/0x940 [ 615.014049][ T7726] ? copy_msghdr_from_user+0x10b/0x160 [ 615.019730][ T7726] ? kernel_sendmsg+0x50/0x50 [ 615.024811][ T7726] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 615.031291][ T7726] ___sys_sendmsg+0x135/0x1d0 [ 615.036097][ T7726] ? do_recvmmsg+0x740/0x740 [ 615.040716][ T7726] ? find_held_lock+0x2d/0x110 [ 615.045537][ T7726] ? preempt_count_sub+0x150/0x150 [ 615.050779][ T7726] ? __fget_light+0x1fc/0x260 [ 615.055579][ T7726] __sys_sendmsg+0x117/0x1e0 [ 615.060201][ T7726] ? __sys_sendmsg_sock+0x30/0x30 [ 615.065450][ T7726] ? syscall_enter_from_user_mode+0x26/0x80 [ 615.072151][ T7726] do_syscall_64+0x3f/0x110 [ 615.076875][ T7726] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 615.082916][ T7726] RIP: 0033:0x7f2631248c19 [ 615.087789][ T7726] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 615.108139][ T7726] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 615.116938][ T7726] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 615.125295][ T7726] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 615.133286][ T7726] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 615.141643][ T7726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 615.149642][ T7726] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 615.157676][ T7726] [ 615.168052][ T7726] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 615.231591][ T7727] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 615.243239][ T7727] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 615.252853][ T7727] CPU: 0 PID: 7727 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 615.263229][ T7727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 615.273309][ T7727] Call Trace: [ 615.276605][ T7727] [ 615.279549][ T7727] dump_stack_lvl+0x125/0x1b0 [ 615.284525][ T7727] sysfs_warn_dup+0x7f/0xa0 [ 615.289242][ T7727] sysfs_create_dir_ns+0x247/0x2a0 [ 615.294930][ T7727] ? sysfs_create_mount_point+0xb0/0xb0 [ 615.301053][ T7727] ? spin_bug+0x1d0/0x1d0 [ 615.305709][ T7727] ? net_namespace+0x12/0x40 [ 615.310414][ T7727] ? device_namespace+0x8d/0xc0 [ 615.315476][ T7727] kobject_add_internal+0x2c8/0x960 [ 615.321077][ T7727] kobject_add+0x16f/0x240 [ 615.325876][ T7727] ? kset_create_and_add+0x190/0x190 [ 615.331201][ T7727] ? do_raw_spin_unlock+0x173/0x230 [ 615.336441][ T7727] ? kobject_put+0xbe/0x440 [ 615.341073][ T7727] ? device_add+0xc35/0x1aa0 [ 615.345781][ T7727] device_add+0x289/0x1aa0 [ 615.350233][ T7727] ? device_initialize+0x510/0x510 [ 615.355384][ T7727] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 615.362376][ T7727] ? __init_waitqueue_head+0xca/0x150 [ 615.367914][ T7727] netdev_register_kobject+0x183/0x3f0 [ 615.373515][ T7727] register_netdevice+0xbdf/0x14a0 [ 615.378684][ T7727] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 615.384730][ T7727] ? team_nl_cmd_noop+0x280/0x280 [ 615.389898][ T7727] team_newlink+0x92/0x160 [ 615.394540][ T7727] ? team_nl_cmd_noop+0x280/0x280 [ 615.399690][ T7727] ? rtnl_create_link+0xa6d/0xfd0 [ 615.404864][ T7727] __rtnl_newlink+0x1173/0x1930 [ 615.409761][ T7727] ? rtnl_link_unregister+0x260/0x260 [ 615.415390][ T7727] rtnl_newlink+0x67/0xa0 [ 615.419921][ T7727] ? __rtnl_newlink+0x1930/0x1930 [ 615.425280][ T7727] rtnetlink_rcv_msg+0x3c7/0xe00 [ 615.430506][ T7727] ? rtnl_getlink+0xb40/0xb40 [ 615.435497][ T7727] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 615.441596][ T7727] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 615.447936][ T7727] netlink_rcv_skb+0x16b/0x440 [ 615.452908][ T7727] ? rtnl_getlink+0xb40/0xb40 [ 615.457612][ T7727] ? netlink_ack+0x1370/0x1370 [ 615.462491][ T7727] ? lock_sync+0x190/0x190 [ 615.467134][ T7727] ? netlink_deliver_tap+0x1a0/0xd00 [ 615.472448][ T7727] ? _copy_from_iter+0x2c1/0x10f0 [ 615.477685][ T7727] netlink_unicast+0x53b/0x810 [ 615.482569][ T7727] ? netlink_attachskb+0x880/0x880 [ 615.487704][ T7727] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 615.493715][ T7727] ? __phys_addr_symbol+0x30/0x70 [ 615.499778][ T7727] ? __check_object_size+0x323/0x730 [ 615.505448][ T7727] netlink_sendmsg+0x93c/0xe40 [ 615.511226][ T7727] ? netlink_unicast+0x810/0x810 [ 615.516661][ T7727] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 615.522261][ T7727] ? netlink_unicast+0x810/0x810 [ 615.527236][ T7727] __sock_sendmsg+0xd5/0x180 [ 615.531857][ T7727] ____sys_sendmsg+0x6ac/0x940 [ 615.536834][ T7727] ? copy_msghdr_from_user+0x10b/0x160 [ 615.542318][ T7727] ? kernel_sendmsg+0x50/0x50 [ 615.547118][ T7727] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 615.553522][ T7727] ___sys_sendmsg+0x135/0x1d0 [ 615.558502][ T7727] ? do_recvmmsg+0x740/0x740 [ 615.563249][ T7727] ? find_held_lock+0x2d/0x110 [ 615.568493][ T7727] ? preempt_count_sub+0x150/0x150 [ 615.574009][ T7727] ? __fget_light+0x1fc/0x260 [ 615.578961][ T7727] __sys_sendmsg+0x117/0x1e0 [ 615.583851][ T7727] ? __sys_sendmsg_sock+0x30/0x30 [ 615.589045][ T7727] ? syscall_enter_from_user_mode+0x26/0x80 [ 615.595155][ T7727] do_syscall_64+0x3f/0x110 [ 615.600045][ T7727] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 615.605983][ T7727] RIP: 0033:0x7f2631248c19 [ 615.610502][ T7727] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 615.631451][ T7727] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 615.640174][ T7727] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 615.648258][ T7727] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 615.656427][ T7727] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 615.665319][ T7727] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 615.673583][ T7727] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 615.681603][ T7727] [ 615.687513][ T7727] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 615.714080][ T7727] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 615.723691][ T7727] CPU: 0 PID: 7727 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 615.734316][ T7727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 615.744787][ T7727] Call Trace: [ 615.748171][ T7727] [ 615.751120][ T7727] dump_stack_lvl+0x125/0x1b0 [ 615.756009][ T7727] sysfs_warn_dup+0x7f/0xa0 [ 615.760634][ T7727] sysfs_create_dir_ns+0x247/0x2a0 [ 615.765798][ T7727] ? sysfs_create_mount_point+0xb0/0xb0 [ 615.771468][ T7727] ? spin_bug+0x1d0/0x1d0 [ 615.776314][ T7727] ? net_namespace+0x12/0x40 [ 615.781443][ T7727] ? device_namespace+0x8d/0xc0 [ 615.786526][ T7727] kobject_add_internal+0x2c8/0x960 [ 615.792234][ T7727] kobject_add+0x16f/0x240 [ 615.796788][ T7727] ? kset_create_and_add+0x190/0x190 [ 615.802201][ T7727] ? do_raw_spin_unlock+0x173/0x230 [ 615.807702][ T7727] ? kobject_put+0xbe/0x440 [ 615.812766][ T7727] ? device_add+0xc35/0x1aa0 [ 615.817559][ T7727] device_add+0x289/0x1aa0 [ 615.822225][ T7727] ? device_initialize+0x510/0x510 [ 615.827635][ T7727] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 615.834510][ T7727] ? __init_waitqueue_head+0xca/0x150 [ 615.840077][ T7727] netdev_register_kobject+0x183/0x3f0 [ 615.846086][ T7727] register_netdevice+0xbdf/0x14a0 [ 615.851309][ T7727] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 615.857563][ T7727] ? validate_linkmsg+0x6fc/0x9c0 [ 615.862604][ T7727] ? rtnl_create_link+0xa6d/0xfd0 [ 615.867830][ T7727] ? batadv_get_sset_count+0x40/0x40 [ 615.873131][ T7727] batadv_softif_newlink+0x70/0x90 [ 615.878432][ T7727] __rtnl_newlink+0x1173/0x1930 [ 615.883308][ T7727] ? rtnl_link_unregister+0x260/0x260 [ 615.888976][ T7727] rtnl_newlink+0x67/0xa0 [ 615.893314][ T7727] ? __rtnl_newlink+0x1930/0x1930 [ 615.898700][ T7727] rtnetlink_rcv_msg+0x3c7/0xe00 [ 615.903736][ T7727] ? rtnl_getlink+0xb40/0xb40 [ 615.910070][ T7727] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 615.916067][ T7727] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 615.922075][ T7727] netlink_rcv_skb+0x16b/0x440 [ 615.926858][ T7727] ? rtnl_getlink+0xb40/0xb40 [ 615.931651][ T7727] ? netlink_ack+0x1370/0x1370 [ 615.936607][ T7727] ? lock_sync+0x190/0x190 [ 615.941151][ T7727] ? netlink_deliver_tap+0x1a0/0xd00 [ 615.946445][ T7727] ? _copy_from_iter+0x2c1/0x10f0 [ 615.951665][ T7727] netlink_unicast+0x53b/0x810 [ 615.956797][ T7727] ? netlink_attachskb+0x880/0x880 [ 615.962183][ T7727] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 615.968267][ T7727] ? __phys_addr_symbol+0x30/0x70 [ 615.973760][ T7727] ? __check_object_size+0x323/0x730 [ 615.979231][ T7727] netlink_sendmsg+0x93c/0xe40 [ 615.984212][ T7727] ? netlink_unicast+0x810/0x810 [ 615.989253][ T7727] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 615.994546][ T7727] ? netlink_unicast+0x810/0x810 [ 615.999671][ T7727] __sock_sendmsg+0xd5/0x180 [ 616.004366][ T7727] ____sys_sendmsg+0x6ac/0x940 [ 616.009152][ T7727] ? copy_msghdr_from_user+0x10b/0x160 [ 616.014794][ T7727] ? kernel_sendmsg+0x50/0x50 [ 616.019497][ T7727] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 616.025585][ T7727] ___sys_sendmsg+0x135/0x1d0 [ 616.030458][ T7727] ? do_recvmmsg+0x740/0x740 [ 616.035945][ T7727] ? find_held_lock+0x2d/0x110 [ 616.040825][ T7727] ? preempt_count_sub+0x150/0x150 [ 616.046130][ T7727] ? __fget_light+0x1fc/0x260 [ 616.050923][ T7727] __sys_sendmsg+0x117/0x1e0 [ 616.055616][ T7727] ? __sys_sendmsg_sock+0x30/0x30 [ 616.060763][ T7727] ? syscall_enter_from_user_mode+0x26/0x80 [ 616.066929][ T7727] do_syscall_64+0x3f/0x110 [ 616.071447][ T7727] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 616.077885][ T7727] RIP: 0033:0x7f2631248c19 [ 616.082570][ T7727] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 616.103052][ T7727] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 616.111916][ T7727] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 616.120152][ T7727] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 616.129026][ T7727] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 616.137181][ T7727] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 616.145863][ T7727] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 616.154045][ T7727] [ 616.157728][ T7727] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 616.221768][ T7728] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 616.233203][ T7728] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 616.242940][ T7728] CPU: 0 PID: 7728 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 616.253742][ T7728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 616.264341][ T7728] Call Trace: [ 616.267665][ T7728] [ 616.270618][ T7728] dump_stack_lvl+0x125/0x1b0 [ 616.275359][ T7728] sysfs_warn_dup+0x7f/0xa0 [ 616.280255][ T7728] sysfs_create_dir_ns+0x247/0x2a0 [ 616.286193][ T7728] ? sysfs_create_mount_point+0xb0/0xb0 [ 616.292222][ T7728] ? spin_bug+0x1d0/0x1d0 [ 616.296729][ T7728] ? net_namespace+0x12/0x40 [ 616.301533][ T7728] ? device_namespace+0x8d/0xc0 [ 616.306436][ T7728] kobject_add_internal+0x2c8/0x960 [ 616.311887][ T7728] kobject_add+0x16f/0x240 [ 616.316525][ T7728] ? kset_create_and_add+0x190/0x190 [ 616.322027][ T7728] ? do_raw_spin_unlock+0x173/0x230 [ 616.328049][ T7728] ? kobject_put+0xbe/0x440 [ 616.332734][ T7728] ? device_add+0xc35/0x1aa0 [ 616.337822][ T7728] device_add+0x289/0x1aa0 [ 616.342554][ T7728] ? device_initialize+0x510/0x510 [ 616.348333][ T7728] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 616.355417][ T7728] ? __init_waitqueue_head+0xca/0x150 [ 616.360835][ T7728] netdev_register_kobject+0x183/0x3f0 [ 616.366512][ T7728] register_netdevice+0xbdf/0x14a0 [ 616.371661][ T7728] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 616.377601][ T7728] ? team_nl_cmd_noop+0x280/0x280 [ 616.382750][ T7728] team_newlink+0x92/0x160 [ 616.387319][ T7728] ? team_nl_cmd_noop+0x280/0x280 [ 616.392641][ T7728] ? rtnl_create_link+0xa6d/0xfd0 [ 616.397987][ T7728] __rtnl_newlink+0x1173/0x1930 [ 616.403161][ T7728] ? rtnl_link_unregister+0x260/0x260 [ 616.408691][ T7728] rtnl_newlink+0x67/0xa0 [ 616.413411][ T7728] ? __rtnl_newlink+0x1930/0x1930 [ 616.418560][ T7728] rtnetlink_rcv_msg+0x3c7/0xe00 [ 616.424481][ T7728] ? rtnl_getlink+0xb40/0xb40 [ 616.430010][ T7728] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 616.436649][ T7728] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 616.442794][ T7728] netlink_rcv_skb+0x16b/0x440 [ 616.447713][ T7728] ? rtnl_getlink+0xb40/0xb40 [ 616.452698][ T7728] ? netlink_ack+0x1370/0x1370 [ 616.457855][ T7728] ? lock_sync+0x190/0x190 [ 616.462415][ T7728] ? netlink_deliver_tap+0x1a0/0xd00 [ 616.467829][ T7728] ? _copy_from_iter+0x2c1/0x10f0 [ 616.473009][ T7728] netlink_unicast+0x53b/0x810 [ 616.478180][ T7728] ? netlink_attachskb+0x880/0x880 [ 616.483599][ T7728] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 616.489896][ T7728] ? __phys_addr_symbol+0x30/0x70 [ 616.495317][ T7728] ? __check_object_size+0x323/0x730 [ 616.500911][ T7728] netlink_sendmsg+0x93c/0xe40 [ 616.505717][ T7728] ? netlink_unicast+0x810/0x810 [ 616.510694][ T7728] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 616.516009][ T7728] ? netlink_unicast+0x810/0x810 [ 616.520976][ T7728] __sock_sendmsg+0xd5/0x180 [ 616.525603][ T7728] ____sys_sendmsg+0x6ac/0x940 [ 616.531701][ T7728] ? copy_msghdr_from_user+0x10b/0x160 [ 616.537974][ T7728] ? kernel_sendmsg+0x50/0x50 [ 616.542822][ T7728] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 616.549031][ T7728] ___sys_sendmsg+0x135/0x1d0 [ 616.554046][ T7728] ? do_recvmmsg+0x740/0x740 [ 616.558761][ T7728] ? find_held_lock+0x2d/0x110 [ 616.563749][ T7728] ? preempt_count_sub+0x150/0x150 [ 616.568906][ T7728] ? __fget_light+0x1fc/0x260 [ 616.573660][ T7728] __sys_sendmsg+0x117/0x1e0 [ 616.578722][ T7728] ? __sys_sendmsg_sock+0x30/0x30 [ 616.583798][ T7728] ? syscall_enter_from_user_mode+0x26/0x80 [ 616.589924][ T7728] do_syscall_64+0x3f/0x110 [ 616.594678][ T7728] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 616.600614][ T7728] RIP: 0033:0x7f2631248c19 [ 616.605319][ T7728] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 616.625499][ T7728] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 616.634476][ T7728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 616.642554][ T7728] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 616.650637][ T7728] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 616.659505][ T7728] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 616.667847][ T7728] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 616.676736][ T7728] [ 616.685524][ T7728] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 616.712360][ T7728] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 616.722192][ T7728] CPU: 0 PID: 7728 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 616.732289][ T7728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 616.742642][ T7728] Call Trace: [ 616.746115][ T7728] [ 616.749249][ T7728] dump_stack_lvl+0x125/0x1b0 [ 616.754182][ T7728] sysfs_warn_dup+0x7f/0xa0 [ 616.759170][ T7728] sysfs_create_dir_ns+0x247/0x2a0 [ 616.764400][ T7728] ? sysfs_create_mount_point+0xb0/0xb0 [ 616.769982][ T7728] ? spin_bug+0x1d0/0x1d0 [ 616.774343][ T7728] ? net_namespace+0x12/0x40 [ 616.779216][ T7728] ? device_namespace+0x8d/0xc0 [ 616.784192][ T7728] kobject_add_internal+0x2c8/0x960 [ 616.789524][ T7728] kobject_add+0x16f/0x240 [ 616.794325][ T7728] ? kset_create_and_add+0x190/0x190 [ 616.800177][ T7728] ? do_raw_spin_unlock+0x173/0x230 [ 616.806029][ T7728] ? kobject_put+0xbe/0x440 [ 616.810863][ T7728] ? device_add+0xc35/0x1aa0 [ 616.815481][ T7728] device_add+0x289/0x1aa0 [ 616.820009][ T7728] ? device_initialize+0x510/0x510 [ 616.825672][ T7728] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 616.832611][ T7728] ? __init_waitqueue_head+0xca/0x150 [ 616.838093][ T7728] netdev_register_kobject+0x183/0x3f0 [ 616.843669][ T7728] register_netdevice+0xbdf/0x14a0 [ 616.848883][ T7728] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 616.854869][ T7728] ? validate_linkmsg+0x6fc/0x9c0 [ 616.859918][ T7728] ? rtnl_create_link+0xa6d/0xfd0 [ 616.865659][ T7728] ? batadv_get_sset_count+0x40/0x40 [ 616.870970][ T7728] batadv_softif_newlink+0x70/0x90 [ 616.876651][ T7728] __rtnl_newlink+0x1173/0x1930 [ 616.881807][ T7728] ? rtnl_link_unregister+0x260/0x260 [ 616.887313][ T7728] rtnl_newlink+0x67/0xa0 [ 616.891831][ T7728] ? __rtnl_newlink+0x1930/0x1930 [ 616.897133][ T7728] rtnetlink_rcv_msg+0x3c7/0xe00 [ 616.902181][ T7728] ? rtnl_getlink+0xb40/0xb40 [ 616.907012][ T7728] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 616.913018][ T7728] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 616.919024][ T7728] netlink_rcv_skb+0x16b/0x440 [ 616.923887][ T7728] ? rtnl_getlink+0xb40/0xb40 [ 616.928912][ T7728] ? netlink_ack+0x1370/0x1370 [ 616.933991][ T7728] ? lock_sync+0x190/0x190 [ 616.938638][ T7728] ? netlink_deliver_tap+0x1a0/0xd00 [ 616.943952][ T7728] ? _copy_from_iter+0x2c1/0x10f0 [ 616.949289][ T7728] netlink_unicast+0x53b/0x810 [ 616.954249][ T7728] ? netlink_attachskb+0x880/0x880 [ 616.959379][ T7728] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 616.965815][ T7728] ? __phys_addr_symbol+0x30/0x70 [ 616.970938][ T7728] ? __check_object_size+0x323/0x730 [ 616.977177][ T7728] netlink_sendmsg+0x93c/0xe40 [ 616.982671][ T7728] ? netlink_unicast+0x810/0x810 [ 616.988210][ T7728] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 616.994112][ T7728] ? netlink_unicast+0x810/0x810 [ 616.999234][ T7728] __sock_sendmsg+0xd5/0x180 [ 617.003832][ T7728] ____sys_sendmsg+0x6ac/0x940 [ 617.009473][ T7728] ? copy_msghdr_from_user+0x10b/0x160 [ 617.015116][ T7728] ? kernel_sendmsg+0x50/0x50 [ 617.019805][ T7728] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 617.025897][ T7728] ___sys_sendmsg+0x135/0x1d0 [ 617.030673][ T7728] ? do_recvmmsg+0x740/0x740 [ 617.035270][ T7728] ? find_held_lock+0x2d/0x110 [ 617.041273][ T7728] ? preempt_count_sub+0x150/0x150 [ 617.046953][ T7728] ? __fget_light+0x1fc/0x260 [ 617.052115][ T7728] __sys_sendmsg+0x117/0x1e0 [ 617.057164][ T7728] ? __sys_sendmsg_sock+0x30/0x30 [ 617.062305][ T7728] ? syscall_enter_from_user_mode+0x26/0x80 [ 617.068349][ T7728] do_syscall_64+0x3f/0x110 [ 617.072957][ T7728] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 617.079121][ T7728] RIP: 0033:0x7f2631248c19 [ 617.083540][ T7728] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 617.105434][ T7728] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 617.114218][ T7728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 617.122566][ T7728] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 617.131074][ T7728] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 617.139588][ T7728] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 617.148090][ T7728] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 617.156384][ T7728] [ 617.164856][ T7728] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 617.221973][ T7729] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 617.233535][ T7729] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 617.243948][ T7729] CPU: 0 PID: 7729 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 617.255809][ T7729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 617.266516][ T7729] Call Trace: [ 617.269817][ T7729] [ 617.272848][ T7729] dump_stack_lvl+0x125/0x1b0 [ 617.277648][ T7729] sysfs_warn_dup+0x7f/0xa0 [ 617.282316][ T7729] sysfs_create_dir_ns+0x247/0x2a0 [ 617.287732][ T7729] ? sysfs_create_mount_point+0xb0/0xb0 [ 617.293588][ T7729] ? spin_bug+0x1d0/0x1d0 [ 617.298578][ T7729] ? net_namespace+0x12/0x40 [ 617.303381][ T7729] ? device_namespace+0x8d/0xc0 [ 617.308275][ T7729] kobject_add_internal+0x2c8/0x960 [ 617.314477][ T7729] kobject_add+0x16f/0x240 [ 617.318931][ T7729] ? kset_create_and_add+0x190/0x190 [ 617.324700][ T7729] ? do_raw_spin_unlock+0x173/0x230 [ 617.330027][ T7729] ? kobject_put+0xbe/0x440 [ 617.334743][ T7729] ? device_add+0xc35/0x1aa0 [ 617.339628][ T7729] device_add+0x289/0x1aa0 [ 617.344332][ T7729] ? device_initialize+0x510/0x510 [ 617.349477][ T7729] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 617.356460][ T7729] ? __init_waitqueue_head+0xca/0x150 [ 617.362142][ T7729] netdev_register_kobject+0x183/0x3f0 [ 617.367729][ T7729] register_netdevice+0xbdf/0x14a0 [ 617.372877][ T7729] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 617.378807][ T7729] ? team_nl_cmd_noop+0x280/0x280 [ 617.384333][ T7729] team_newlink+0x92/0x160 [ 617.388804][ T7729] ? team_nl_cmd_noop+0x280/0x280 [ 617.393856][ T7729] ? rtnl_create_link+0xa6d/0xfd0 [ 617.399098][ T7729] __rtnl_newlink+0x1173/0x1930 [ 617.404286][ T7729] ? rtnl_link_unregister+0x260/0x260 [ 617.410154][ T7729] rtnl_newlink+0x67/0xa0 [ 617.414779][ T7729] ? __rtnl_newlink+0x1930/0x1930 [ 617.420086][ T7729] rtnetlink_rcv_msg+0x3c7/0xe00 [ 617.425151][ T7729] ? rtnl_getlink+0xb40/0xb40 [ 617.430197][ T7729] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 617.436315][ T7729] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 617.442875][ T7729] netlink_rcv_skb+0x16b/0x440 [ 617.448021][ T7729] ? rtnl_getlink+0xb40/0xb40 [ 617.452730][ T7729] ? netlink_ack+0x1370/0x1370 [ 617.458303][ T7729] ? lock_sync+0x190/0x190 [ 617.462943][ T7729] ? netlink_deliver_tap+0x1a0/0xd00 [ 617.468340][ T7729] ? _copy_from_iter+0x2c1/0x10f0 [ 617.473407][ T7729] netlink_unicast+0x53b/0x810 [ 617.478295][ T7729] ? netlink_attachskb+0x880/0x880 [ 617.483631][ T7729] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 617.489742][ T7729] ? __phys_addr_symbol+0x30/0x70 [ 617.495001][ T7729] ? __check_object_size+0x323/0x730 [ 617.500538][ T7729] netlink_sendmsg+0x93c/0xe40 [ 617.505448][ T7729] ? netlink_unicast+0x810/0x810 [ 617.510545][ T7729] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 617.515941][ T7729] ? netlink_unicast+0x810/0x810 [ 617.520913][ T7729] __sock_sendmsg+0xd5/0x180 [ 617.525792][ T7729] ____sys_sendmsg+0x6ac/0x940 [ 617.530838][ T7729] ? copy_msghdr_from_user+0x10b/0x160 [ 617.536409][ T7729] ? kernel_sendmsg+0x50/0x50 [ 617.541114][ T7729] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 617.547226][ T7729] ___sys_sendmsg+0x135/0x1d0 [ 617.552035][ T7729] ? do_recvmmsg+0x740/0x740 [ 617.556700][ T7729] ? find_held_lock+0x2d/0x110 [ 617.561557][ T7729] ? preempt_count_sub+0x150/0x150 [ 617.566744][ T7729] ? __fget_light+0x1fc/0x260 [ 617.571647][ T7729] __sys_sendmsg+0x117/0x1e0 [ 617.576640][ T7729] ? __sys_sendmsg_sock+0x30/0x30 [ 617.581905][ T7729] ? syscall_enter_from_user_mode+0x26/0x80 [ 617.587843][ T7729] do_syscall_64+0x3f/0x110 [ 617.592387][ T7729] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 617.598313][ T7729] RIP: 0033:0x7f2631248c19 [ 617.603025][ T7729] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 617.622938][ T7729] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 617.631469][ T7729] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 617.639674][ T7729] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 617.648018][ T7729] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 617.656359][ T7729] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 617.664346][ T7729] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 617.672669][ T7729] [ 617.679887][ T7729] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 617.714504][ T7729] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 617.724626][ T7729] CPU: 1 PID: 7729 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 617.735185][ T7729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 617.745785][ T7729] Call Trace: [ 617.749400][ T7729] [ 617.752452][ T7729] dump_stack_lvl+0x125/0x1b0 [ 617.757264][ T7729] sysfs_warn_dup+0x7f/0xa0 [ 617.761808][ T7729] sysfs_create_dir_ns+0x247/0x2a0 [ 617.767222][ T7729] ? sysfs_create_mount_point+0xb0/0xb0 [ 617.772896][ T7729] ? spin_bug+0x1d0/0x1d0 [ 617.777290][ T7729] ? net_namespace+0x12/0x40 [ 617.782031][ T7729] ? device_namespace+0x8d/0xc0 [ 617.787032][ T7729] kobject_add_internal+0x2c8/0x960 [ 617.792322][ T7729] kobject_add+0x16f/0x240 [ 617.796866][ T7729] ? kset_create_and_add+0x190/0x190 [ 617.802736][ T7729] ? do_raw_spin_unlock+0x173/0x230 [ 617.808070][ T7729] ? kobject_put+0xbe/0x440 [ 617.812609][ T7729] ? device_add+0xc35/0x1aa0 [ 617.817406][ T7729] device_add+0x289/0x1aa0 [ 617.821957][ T7729] ? device_initialize+0x510/0x510 [ 617.827132][ T7729] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 617.834222][ T7729] ? __init_waitqueue_head+0xca/0x150 [ 617.839643][ T7729] netdev_register_kobject+0x183/0x3f0 [ 617.845144][ T7729] register_netdevice+0xbdf/0x14a0 [ 617.850290][ T7729] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 617.856385][ T7729] ? validate_linkmsg+0x6fc/0x9c0 [ 617.861917][ T7729] ? rtnl_create_link+0xa6d/0xfd0 [ 617.866985][ T7729] ? batadv_get_sset_count+0x40/0x40 [ 617.872408][ T7729] batadv_softif_newlink+0x70/0x90 [ 617.877667][ T7729] __rtnl_newlink+0x1173/0x1930 [ 617.882574][ T7729] ? rtnl_link_unregister+0x260/0x260 [ 617.888098][ T7729] rtnl_newlink+0x67/0xa0 [ 617.892450][ T7729] ? __rtnl_newlink+0x1930/0x1930 [ 617.897506][ T7729] rtnetlink_rcv_msg+0x3c7/0xe00 [ 617.902571][ T7729] ? rtnl_getlink+0xb40/0xb40 [ 617.907293][ T7729] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 617.913395][ T7729] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 617.919457][ T7729] netlink_rcv_skb+0x16b/0x440 [ 617.924287][ T7729] ? rtnl_getlink+0xb40/0xb40 [ 617.929168][ T7729] ? netlink_ack+0x1370/0x1370 [ 617.934146][ T7729] ? lock_sync+0x190/0x190 [ 617.938701][ T7729] ? netlink_deliver_tap+0x1a0/0xd00 [ 617.944097][ T7729] ? _copy_from_iter+0x2c1/0x10f0 [ 617.949262][ T7729] netlink_unicast+0x53b/0x810 [ 617.954060][ T7729] ? netlink_attachskb+0x880/0x880 [ 617.959374][ T7729] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 617.965478][ T7729] ? __phys_addr_symbol+0x30/0x70 [ 617.970537][ T7729] ? __check_object_size+0x323/0x730 [ 617.976094][ T7729] netlink_sendmsg+0x93c/0xe40 [ 617.981255][ T7729] ? netlink_unicast+0x810/0x810 [ 617.986439][ T7729] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 617.992116][ T7729] ? netlink_unicast+0x810/0x810 [ 617.997357][ T7729] __sock_sendmsg+0xd5/0x180 [ 618.001974][ T7729] ____sys_sendmsg+0x6ac/0x940 [ 618.007214][ T7729] ? copy_msghdr_from_user+0x10b/0x160 [ 618.012881][ T7729] ? kernel_sendmsg+0x50/0x50 [ 618.017704][ T7729] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 618.024653][ T7729] ___sys_sendmsg+0x135/0x1d0 [ 618.029776][ T7729] ? do_recvmmsg+0x740/0x740 [ 618.034602][ T7729] ? find_held_lock+0x2d/0x110 [ 618.039587][ T7729] ? preempt_count_sub+0x150/0x150 [ 618.045366][ T7729] ? __fget_light+0x1fc/0x260 [ 618.050100][ T7729] __sys_sendmsg+0x117/0x1e0 [ 618.055027][ T7729] ? __sys_sendmsg_sock+0x30/0x30 [ 618.060377][ T7729] ? syscall_enter_from_user_mode+0x26/0x80 [ 618.066360][ T7729] do_syscall_64+0x3f/0x110 [ 618.071608][ T7729] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 618.077543][ T7729] RIP: 0033:0x7f2631248c19 [ 618.082152][ T7729] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 618.102927][ T7729] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 618.111638][ T7729] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 618.119635][ T7729] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 618.128237][ T7729] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 618.137006][ T7729] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 618.145433][ T7729] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 618.153728][ T7729] [ 618.162806][ T7729] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 618.228850][ T7730] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 618.241498][ T7730] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 618.251678][ T7730] CPU: 1 PID: 7730 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 618.261786][ T7730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 618.272555][ T7730] Call Trace: [ 618.276281][ T7730] [ 618.279306][ T7730] dump_stack_lvl+0x125/0x1b0 [ 618.284367][ T7730] sysfs_warn_dup+0x7f/0xa0 [ 618.288985][ T7730] sysfs_create_dir_ns+0x247/0x2a0 [ 618.294462][ T7730] ? sysfs_create_mount_point+0xb0/0xb0 [ 618.300034][ T7730] ? spin_bug+0x1d0/0x1d0 [ 618.304816][ T7730] ? net_namespace+0x12/0x40 [ 618.309602][ T7730] ? device_namespace+0x8d/0xc0 [ 618.314487][ T7730] kobject_add_internal+0x2c8/0x960 [ 618.320052][ T7730] kobject_add+0x16f/0x240 [ 618.324691][ T7730] ? kset_create_and_add+0x190/0x190 [ 618.330290][ T7730] ? do_raw_spin_unlock+0x173/0x230 [ 618.335628][ T7730] ? kobject_put+0xbe/0x440 [ 618.340193][ T7730] ? device_add+0xc35/0x1aa0 [ 618.344887][ T7730] device_add+0x289/0x1aa0 [ 618.349688][ T7730] ? device_initialize+0x510/0x510 [ 618.355055][ T7730] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 618.362009][ T7730] ? __init_waitqueue_head+0xca/0x150 [ 618.367406][ T7730] netdev_register_kobject+0x183/0x3f0 [ 618.372915][ T7730] register_netdevice+0xbdf/0x14a0 [ 618.378044][ T7730] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 618.384402][ T7730] ? team_nl_cmd_noop+0x280/0x280 [ 618.389537][ T7730] team_newlink+0x92/0x160 [ 618.394172][ T7730] ? team_nl_cmd_noop+0x280/0x280 [ 618.399585][ T7730] ? rtnl_create_link+0xa6d/0xfd0 [ 618.404823][ T7730] __rtnl_newlink+0x1173/0x1930 [ 618.410048][ T7730] ? rtnl_link_unregister+0x260/0x260 [ 618.415703][ T7730] rtnl_newlink+0x67/0xa0 [ 618.420045][ T7730] ? __rtnl_newlink+0x1930/0x1930 [ 618.425104][ T7730] rtnetlink_rcv_msg+0x3c7/0xe00 [ 618.430177][ T7730] ? rtnl_getlink+0xb40/0xb40 [ 618.435058][ T7730] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 618.441328][ T7730] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 618.447542][ T7730] netlink_rcv_skb+0x16b/0x440 [ 618.452334][ T7730] ? rtnl_getlink+0xb40/0xb40 [ 618.457215][ T7730] ? netlink_ack+0x1370/0x1370 [ 618.462014][ T7730] ? lock_sync+0x190/0x190 [ 618.467171][ T7730] ? netlink_deliver_tap+0x1a0/0xd00 [ 618.472469][ T7730] ? _copy_from_iter+0x2c1/0x10f0 [ 618.477619][ T7730] netlink_unicast+0x53b/0x810 [ 618.482490][ T7730] ? netlink_attachskb+0x880/0x880 [ 618.487729][ T7730] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 618.493810][ T7730] ? __phys_addr_symbol+0x30/0x70 [ 618.498881][ T7730] ? __check_object_size+0x323/0x730 [ 618.504295][ T7730] netlink_sendmsg+0x93c/0xe40 [ 618.509085][ T7730] ? netlink_unicast+0x810/0x810 [ 618.514135][ T7730] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 618.519644][ T7730] ? netlink_unicast+0x810/0x810 [ 618.524613][ T7730] __sock_sendmsg+0xd5/0x180 [ 618.529755][ T7730] ____sys_sendmsg+0x6ac/0x940 [ 618.534910][ T7730] ? copy_msghdr_from_user+0x10b/0x160 [ 618.540478][ T7730] ? kernel_sendmsg+0x50/0x50 [ 618.545816][ T7730] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 618.551830][ T7730] ___sys_sendmsg+0x135/0x1d0 [ 618.556618][ T7730] ? do_recvmmsg+0x740/0x740 [ 618.561243][ T7730] ? find_held_lock+0x2d/0x110 [ 618.566032][ T7730] ? preempt_count_sub+0x150/0x150 [ 618.571771][ T7730] ? __fget_light+0x1fc/0x260 [ 618.576486][ T7730] __sys_sendmsg+0x117/0x1e0 [ 618.581129][ T7730] ? __sys_sendmsg_sock+0x30/0x30 [ 618.586457][ T7730] ? syscall_enter_from_user_mode+0x26/0x80 [ 618.592373][ T7730] do_syscall_64+0x3f/0x110 [ 618.596915][ T7730] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 618.602842][ T7730] RIP: 0033:0x7f2631248c19 [ 618.607293][ T7730] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 618.630152][ T7730] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 618.638826][ T7730] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 618.647614][ T7730] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 618.656211][ T7730] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 618.665768][ T7730] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 618.674351][ T7730] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 618.682491][ T7730] [ 618.690784][ T7730] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 618.728672][ T7730] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 618.738586][ T7730] CPU: 1 PID: 7730 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 618.749039][ T7730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 618.759127][ T7730] Call Trace: [ 618.762516][ T7730] [ 618.765576][ T7730] dump_stack_lvl+0x125/0x1b0 [ 618.770292][ T7730] sysfs_warn_dup+0x7f/0xa0 [ 618.774923][ T7730] sysfs_create_dir_ns+0x247/0x2a0 [ 618.780169][ T7730] ? sysfs_create_mount_point+0xb0/0xb0 [ 618.786100][ T7730] ? spin_bug+0x1d0/0x1d0 [ 618.790464][ T7730] ? net_namespace+0x12/0x40 [ 618.795161][ T7730] ? device_namespace+0x8d/0xc0 [ 618.800050][ T7730] kobject_add_internal+0x2c8/0x960 [ 618.805289][ T7730] kobject_add+0x16f/0x240 [ 618.809752][ T7730] ? kset_create_and_add+0x190/0x190 [ 618.815085][ T7730] ? do_raw_spin_unlock+0x173/0x230 [ 618.820414][ T7730] ? kobject_put+0xbe/0x440 [ 618.825060][ T7730] ? device_add+0xc35/0x1aa0 [ 618.829777][ T7730] device_add+0x289/0x1aa0 [ 618.834408][ T7730] ? device_initialize+0x510/0x510 [ 618.839649][ T7730] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 618.846635][ T7730] ? __init_waitqueue_head+0xca/0x150 [ 618.852135][ T7730] netdev_register_kobject+0x183/0x3f0 [ 618.857717][ T7730] register_netdevice+0xbdf/0x14a0 [ 618.862859][ T7730] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 618.869034][ T7730] ? validate_linkmsg+0x6fc/0x9c0 [ 618.874192][ T7730] ? rtnl_create_link+0xa6d/0xfd0 [ 618.879341][ T7730] ? batadv_get_sset_count+0x40/0x40 [ 618.884669][ T7730] batadv_softif_newlink+0x70/0x90 [ 618.889821][ T7730] __rtnl_newlink+0x1173/0x1930 [ 618.894717][ T7730] ? rtnl_link_unregister+0x260/0x260 [ 618.900150][ T7730] rtnl_newlink+0x67/0xa0 [ 618.904504][ T7730] ? __rtnl_newlink+0x1930/0x1930 [ 618.909553][ T7730] rtnetlink_rcv_msg+0x3c7/0xe00 [ 618.914550][ T7730] ? rtnl_getlink+0xb40/0xb40 [ 618.919253][ T7730] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 618.926156][ T7730] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 618.932463][ T7730] netlink_rcv_skb+0x16b/0x440 [ 618.937656][ T7730] ? rtnl_getlink+0xb40/0xb40 [ 618.942644][ T7730] ? netlink_ack+0x1370/0x1370 [ 618.947678][ T7730] ? lock_sync+0x190/0x190 [ 618.953293][ T7730] ? netlink_deliver_tap+0x1a0/0xd00 [ 618.959234][ T7730] ? _copy_from_iter+0x2c1/0x10f0 [ 618.964490][ T7730] netlink_unicast+0x53b/0x810 [ 618.969415][ T7730] ? netlink_attachskb+0x880/0x880 [ 618.974665][ T7730] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 618.980636][ T7730] ? __phys_addr_symbol+0x30/0x70 [ 618.985704][ T7730] ? __check_object_size+0x323/0x730 [ 618.991300][ T7730] netlink_sendmsg+0x93c/0xe40 [ 618.996266][ T7730] ? netlink_unicast+0x810/0x810 [ 619.001424][ T7730] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 619.006736][ T7730] ? netlink_unicast+0x810/0x810 [ 619.011761][ T7730] __sock_sendmsg+0xd5/0x180 [ 619.016468][ T7730] ____sys_sendmsg+0x6ac/0x940 [ 619.021267][ T7730] ? copy_msghdr_from_user+0x10b/0x160 [ 619.027040][ T7730] ? kernel_sendmsg+0x50/0x50 [ 619.031930][ T7730] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 619.038080][ T7730] ___sys_sendmsg+0x135/0x1d0 [ 619.042980][ T7730] ? do_recvmmsg+0x740/0x740 [ 619.047712][ T7730] ? find_held_lock+0x2d/0x110 [ 619.052578][ T7730] ? preempt_count_sub+0x150/0x150 [ 619.058085][ T7730] ? __fget_light+0x1fc/0x260 [ 619.063435][ T7730] __sys_sendmsg+0x117/0x1e0 [ 619.068424][ T7730] ? __sys_sendmsg_sock+0x30/0x30 [ 619.073865][ T7730] ? syscall_enter_from_user_mode+0x26/0x80 [ 619.079962][ T7730] do_syscall_64+0x3f/0x110 [ 619.084777][ T7730] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 619.095599][ T7730] RIP: 0033:0x7f2631248c19 [ 619.100650][ T7730] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 619.121341][ T7730] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 619.129780][ T7730] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 619.138104][ T7730] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 619.146357][ T7730] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 619.154542][ T7730] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 619.162628][ T7730] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 619.170825][ T7730] [ 619.177726][ T7730] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 619.256019][ T7731] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 619.271439][ T7731] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 619.280982][ T7731] CPU: 0 PID: 7731 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 619.291961][ T7731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 619.302665][ T7731] Call Trace: [ 619.306146][ T7731] [ 619.309189][ T7731] dump_stack_lvl+0x125/0x1b0 [ 619.313991][ T7731] sysfs_warn_dup+0x7f/0xa0 [ 619.319226][ T7731] sysfs_create_dir_ns+0x247/0x2a0 [ 619.324755][ T7731] ? sysfs_create_mount_point+0xb0/0xb0 [ 619.331037][ T7731] ? spin_bug+0x1d0/0x1d0 [ 619.335472][ T7731] ? net_namespace+0x12/0x40 [ 619.340157][ T7731] ? device_namespace+0x8d/0xc0 [ 619.345374][ T7731] kobject_add_internal+0x2c8/0x960 [ 619.350618][ T7731] kobject_add+0x16f/0x240 [ 619.355284][ T7731] ? kset_create_and_add+0x190/0x190 [ 619.360779][ T7731] ? do_raw_spin_unlock+0x173/0x230 [ 619.366174][ T7731] ? kobject_put+0xbe/0x440 [ 619.370870][ T7731] ? device_add+0xc35/0x1aa0 [ 619.375495][ T7731] device_add+0x289/0x1aa0 [ 619.380360][ T7731] ? device_initialize+0x510/0x510 [ 619.385598][ T7731] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 619.392471][ T7731] ? __init_waitqueue_head+0xca/0x150 [ 619.398122][ T7731] netdev_register_kobject+0x183/0x3f0 [ 619.403774][ T7731] register_netdevice+0xbdf/0x14a0 [ 619.409114][ T7731] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 619.415258][ T7731] ? team_nl_cmd_noop+0x280/0x280 [ 619.420835][ T7731] team_newlink+0x92/0x160 [ 619.425457][ T7731] ? team_nl_cmd_noop+0x280/0x280 [ 619.430665][ T7731] ? rtnl_create_link+0xa6d/0xfd0 [ 619.436073][ T7731] __rtnl_newlink+0x1173/0x1930 [ 619.441214][ T7731] ? rtnl_link_unregister+0x260/0x260 [ 619.447593][ T7731] rtnl_newlink+0x67/0xa0 [ 619.452020][ T7731] ? __rtnl_newlink+0x1930/0x1930 [ 619.457328][ T7731] rtnetlink_rcv_msg+0x3c7/0xe00 [ 619.463096][ T7731] ? rtnl_getlink+0xb40/0xb40 [ 619.468327][ T7731] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 619.474511][ T7731] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 619.480691][ T7731] netlink_rcv_skb+0x16b/0x440 [ 619.485492][ T7731] ? rtnl_getlink+0xb40/0xb40 [ 619.490185][ T7731] ? netlink_ack+0x1370/0x1370 [ 619.495068][ T7731] ? lock_sync+0x190/0x190 [ 619.499870][ T7731] ? netlink_deliver_tap+0x1a0/0xd00 [ 619.505435][ T7731] ? _copy_from_iter+0x2c1/0x10f0 [ 619.510654][ T7731] netlink_unicast+0x53b/0x810 [ 619.515698][ T7731] ? netlink_attachskb+0x880/0x880 [ 619.520903][ T7731] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 619.527011][ T7731] ? __phys_addr_symbol+0x30/0x70 [ 619.532149][ T7731] ? __check_object_size+0x323/0x730 [ 619.537740][ T7731] netlink_sendmsg+0x93c/0xe40 [ 619.542538][ T7731] ? netlink_unicast+0x810/0x810 [ 619.547585][ T7731] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 619.552957][ T7731] ? netlink_unicast+0x810/0x810 [ 619.557906][ T7731] __sock_sendmsg+0xd5/0x180 [ 619.562504][ T7731] ____sys_sendmsg+0x6ac/0x940 [ 619.567624][ T7731] ? copy_msghdr_from_user+0x10b/0x160 [ 619.573106][ T7731] ? kernel_sendmsg+0x50/0x50 [ 619.577792][ T7731] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 619.583803][ T7731] ___sys_sendmsg+0x135/0x1d0 [ 619.588589][ T7731] ? do_recvmmsg+0x740/0x740 [ 619.593198][ T7731] ? find_held_lock+0x2d/0x110 [ 619.597988][ T7731] ? preempt_count_sub+0x150/0x150 [ 619.603406][ T7731] ? __fget_light+0x1fc/0x260 [ 619.608217][ T7731] __sys_sendmsg+0x117/0x1e0 [ 619.612966][ T7731] ? __sys_sendmsg_sock+0x30/0x30 [ 619.618202][ T7731] ? syscall_enter_from_user_mode+0x26/0x80 [ 619.624118][ T7731] do_syscall_64+0x3f/0x110 [ 619.628656][ T7731] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 619.634642][ T7731] RIP: 0033:0x7f2631248c19 [ 619.639148][ T7731] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 619.661121][ T7731] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 619.669645][ T7731] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 619.677794][ T7731] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 619.686101][ T7731] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 619.694454][ T7731] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 619.703103][ T7731] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 619.711201][ T7731] [ 619.721257][ T7731] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 619.748603][ T7731] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 619.758271][ T7731] CPU: 0 PID: 7731 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 619.768729][ T7731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 619.778991][ T7731] Call Trace: [ 619.782285][ T7731] [ 619.785344][ T7731] dump_stack_lvl+0x125/0x1b0 [ 619.790256][ T7731] sysfs_warn_dup+0x7f/0xa0 [ 619.794799][ T7731] sysfs_create_dir_ns+0x247/0x2a0 [ 619.800212][ T7731] ? sysfs_create_mount_point+0xb0/0xb0 [ 619.805885][ T7731] ? spin_bug+0x1d0/0x1d0 [ 619.810334][ T7731] ? net_namespace+0x12/0x40 [ 619.814958][ T7731] ? device_namespace+0x8d/0xc0 [ 619.819937][ T7731] kobject_add_internal+0x2c8/0x960 [ 619.825394][ T7731] kobject_add+0x16f/0x240 [ 619.830031][ T7731] ? kset_create_and_add+0x190/0x190 [ 619.835564][ T7731] ? do_raw_spin_unlock+0x173/0x230 [ 619.840898][ T7731] ? kobject_put+0xbe/0x440 [ 619.845614][ T7731] ? device_add+0xc35/0x1aa0 [ 619.850245][ T7731] device_add+0x289/0x1aa0 [ 619.854716][ T7731] ? device_initialize+0x510/0x510 [ 619.859876][ T7731] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 619.867045][ T7731] ? __init_waitqueue_head+0xca/0x150 [ 619.872582][ T7731] netdev_register_kobject+0x183/0x3f0 [ 619.878354][ T7731] register_netdevice+0xbdf/0x14a0 [ 619.883609][ T7731] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 619.890413][ T7731] ? validate_linkmsg+0x6fc/0x9c0 [ 619.895753][ T7731] ? rtnl_create_link+0xa6d/0xfd0 [ 619.900908][ T7731] ? batadv_get_sset_count+0x40/0x40 [ 619.906270][ T7731] batadv_softif_newlink+0x70/0x90 [ 619.911446][ T7731] __rtnl_newlink+0x1173/0x1930 [ 619.916454][ T7731] ? rtnl_link_unregister+0x260/0x260 [ 619.922522][ T7731] rtnl_newlink+0x67/0xa0 [ 619.927499][ T7731] ? __rtnl_newlink+0x1930/0x1930 [ 619.932782][ T7731] rtnetlink_rcv_msg+0x3c7/0xe00 [ 619.937848][ T7731] ? rtnl_getlink+0xb40/0xb40 [ 619.942571][ T7731] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 619.949212][ T7731] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 619.955255][ T7731] netlink_rcv_skb+0x16b/0x440 [ 619.960065][ T7731] ? rtnl_getlink+0xb40/0xb40 [ 619.964926][ T7731] ? netlink_ack+0x1370/0x1370 [ 619.969835][ T7731] ? lock_sync+0x190/0x190 [ 619.974400][ T7731] ? netlink_deliver_tap+0x1a0/0xd00 [ 619.979891][ T7731] ? _copy_from_iter+0x2c1/0x10f0 [ 619.984978][ T7731] netlink_unicast+0x53b/0x810 [ 619.989797][ T7731] ? netlink_attachskb+0x880/0x880 [ 619.995122][ T7731] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 620.001482][ T7731] ? __phys_addr_symbol+0x30/0x70 [ 620.006626][ T7731] ? __check_object_size+0x323/0x730 [ 620.012076][ T7731] netlink_sendmsg+0x93c/0xe40 [ 620.016896][ T7731] ? netlink_unicast+0x810/0x810 [ 620.021979][ T7731] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 620.027296][ T7731] ? netlink_unicast+0x810/0x810 [ 620.032359][ T7731] __sock_sendmsg+0xd5/0x180 [ 620.036980][ T7731] ____sys_sendmsg+0x6ac/0x940 [ 620.041862][ T7731] ? copy_msghdr_from_user+0x10b/0x160 [ 620.047539][ T7731] ? kernel_sendmsg+0x50/0x50 [ 620.052641][ T7731] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 620.059041][ T7731] ___sys_sendmsg+0x135/0x1d0 [ 620.063945][ T7731] ? do_recvmmsg+0x740/0x740 [ 620.068602][ T7731] ? find_held_lock+0x2d/0x110 [ 620.074048][ T7731] ? preempt_count_sub+0x150/0x150 [ 620.079235][ T7731] ? __fget_light+0x1fc/0x260 [ 620.084222][ T7731] __sys_sendmsg+0x117/0x1e0 [ 620.089137][ T7731] ? __sys_sendmsg_sock+0x30/0x30 [ 620.094494][ T7731] ? syscall_enter_from_user_mode+0x26/0x80 [ 620.100512][ T7731] do_syscall_64+0x3f/0x110 [ 620.105318][ T7731] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 620.111345][ T7731] RIP: 0033:0x7f2631248c19 [ 620.115980][ T7731] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 620.136245][ T7731] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 620.144790][ T7731] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 620.152896][ T7731] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 620.161445][ T7731] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 620.169718][ T7731] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 620.178159][ T7731] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 620.186885][ T7731] [ 620.195317][ T7731] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 620.263219][ T7732] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 620.276151][ T7732] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 620.285660][ T7732] CPU: 0 PID: 7732 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 620.296190][ T7732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 620.306360][ T7732] Call Trace: [ 620.309761][ T7732] [ 620.312811][ T7732] dump_stack_lvl+0x125/0x1b0 [ 620.317537][ T7732] sysfs_warn_dup+0x7f/0xa0 [ 620.322434][ T7732] sysfs_create_dir_ns+0x247/0x2a0 [ 620.327596][ T7732] ? sysfs_create_mount_point+0xb0/0xb0 [ 620.333272][ T7732] ? spin_bug+0x1d0/0x1d0 [ 620.337838][ T7732] ? net_namespace+0x12/0x40 [ 620.342545][ T7732] ? device_namespace+0x8d/0xc0 [ 620.347524][ T7732] kobject_add_internal+0x2c8/0x960 [ 620.352782][ T7732] kobject_add+0x16f/0x240 [ 620.357252][ T7732] ? kset_create_and_add+0x190/0x190 [ 620.362600][ T7732] ? do_raw_spin_unlock+0x173/0x230 [ 620.368109][ T7732] ? kobject_put+0xbe/0x440 [ 620.372746][ T7732] ? device_add+0xc35/0x1aa0 [ 620.377461][ T7732] device_add+0x289/0x1aa0 [ 620.382006][ T7732] ? device_initialize+0x510/0x510 [ 620.387379][ T7732] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 620.394448][ T7732] ? __init_waitqueue_head+0xca/0x150 [ 620.399960][ T7732] netdev_register_kobject+0x183/0x3f0 [ 620.405824][ T7732] register_netdevice+0xbdf/0x14a0 [ 620.411001][ T7732] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 620.417227][ T7732] ? team_nl_cmd_noop+0x280/0x280 [ 620.422483][ T7732] team_newlink+0x92/0x160 [ 620.426953][ T7732] ? team_nl_cmd_noop+0x280/0x280 [ 620.432193][ T7732] ? rtnl_create_link+0xa6d/0xfd0 [ 620.437666][ T7732] __rtnl_newlink+0x1173/0x1930 [ 620.442922][ T7732] ? rtnl_link_unregister+0x260/0x260 [ 620.448549][ T7732] rtnl_newlink+0x67/0xa0 [ 620.452917][ T7732] ? __rtnl_newlink+0x1930/0x1930 [ 620.458066][ T7732] rtnetlink_rcv_msg+0x3c7/0xe00 [ 620.463385][ T7732] ? rtnl_getlink+0xb40/0xb40 [ 620.468274][ T7732] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 620.474734][ T7732] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 620.480852][ T7732] netlink_rcv_skb+0x16b/0x440 [ 620.485678][ T7732] ? rtnl_getlink+0xb40/0xb40 [ 620.490481][ T7732] ? netlink_ack+0x1370/0x1370 [ 620.495499][ T7732] ? lock_sync+0x190/0x190 [ 620.500070][ T7732] ? netlink_deliver_tap+0x1a0/0xd00 [ 620.505505][ T7732] ? _copy_from_iter+0x2c1/0x10f0 [ 620.511107][ T7732] netlink_unicast+0x53b/0x810 [ 620.516656][ T7732] ? netlink_attachskb+0x880/0x880 [ 620.521812][ T7732] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 620.527838][ T7732] ? __phys_addr_symbol+0x30/0x70 [ 620.533076][ T7732] ? __check_object_size+0x323/0x730 [ 620.538420][ T7732] netlink_sendmsg+0x93c/0xe40 [ 620.543245][ T7732] ? netlink_unicast+0x810/0x810 [ 620.549184][ T7732] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 620.554593][ T7732] ? netlink_unicast+0x810/0x810 [ 620.559591][ T7732] __sock_sendmsg+0xd5/0x180 [ 620.564229][ T7732] ____sys_sendmsg+0x6ac/0x940 [ 620.569122][ T7732] ? copy_msghdr_from_user+0x10b/0x160 [ 620.575250][ T7732] ? kernel_sendmsg+0x50/0x50 [ 620.580073][ T7732] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 620.586279][ T7732] ___sys_sendmsg+0x135/0x1d0 [ 620.590998][ T7732] ? do_recvmmsg+0x740/0x740 [ 620.595618][ T7732] ? find_held_lock+0x2d/0x110 [ 620.600526][ T7732] ? preempt_count_sub+0x150/0x150 [ 620.605681][ T7732] ? __fget_light+0x1fc/0x260 [ 620.615959][ T7732] __sys_sendmsg+0x117/0x1e0 [ 620.620704][ T7732] ? __sys_sendmsg_sock+0x30/0x30 [ 620.626232][ T7732] ? syscall_enter_from_user_mode+0x26/0x80 [ 620.632364][ T7732] do_syscall_64+0x3f/0x110 [ 620.637118][ T7732] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 620.643330][ T7732] RIP: 0033:0x7f2631248c19 [ 620.647780][ T7732] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 620.668466][ T7732] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 620.677343][ T7732] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 620.685346][ T7732] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 620.693797][ T7732] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 620.702329][ T7732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 620.710420][ T7732] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 620.718789][ T7732] [ 620.722426][ T7732] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 620.767737][ T7732] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 620.778343][ T7732] CPU: 0 PID: 7732 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 620.789325][ T7732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 620.799925][ T7732] Call Trace: [ 620.803335][ T7732] [ 620.806378][ T7732] dump_stack_lvl+0x125/0x1b0 [ 620.811095][ T7732] sysfs_warn_dup+0x7f/0xa0 [ 620.815639][ T7732] sysfs_create_dir_ns+0x247/0x2a0 [ 620.820824][ T7732] ? sysfs_create_mount_point+0xb0/0xb0 [ 620.827286][ T7732] ? spin_bug+0x1d0/0x1d0 [ 620.832034][ T7732] ? net_namespace+0x12/0x40 [ 620.836673][ T7732] ? device_namespace+0x8d/0xc0 [ 620.841762][ T7732] kobject_add_internal+0x2c8/0x960 [ 620.847264][ T7732] kobject_add+0x16f/0x240 [ 620.851742][ T7732] ? kset_create_and_add+0x190/0x190 [ 620.857168][ T7732] ? do_raw_spin_unlock+0x173/0x230 [ 620.862504][ T7732] ? kobject_put+0xbe/0x440 [ 620.867574][ T7732] ? device_add+0xc35/0x1aa0 [ 620.872294][ T7732] device_add+0x289/0x1aa0 [ 620.876837][ T7732] ? device_initialize+0x510/0x510 [ 620.882340][ T7732] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 620.890295][ T7732] ? __init_waitqueue_head+0xca/0x150 [ 620.895849][ T7732] netdev_register_kobject+0x183/0x3f0 [ 620.901437][ T7732] register_netdevice+0xbdf/0x14a0 [ 620.906757][ T7732] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 620.913031][ T7732] ? validate_linkmsg+0x6fc/0x9c0 [ 620.918181][ T7732] ? rtnl_create_link+0xa6d/0xfd0 [ 620.923282][ T7732] ? batadv_get_sset_count+0x40/0x40 [ 620.928622][ T7732] batadv_softif_newlink+0x70/0x90 [ 620.934147][ T7732] __rtnl_newlink+0x1173/0x1930 [ 620.939044][ T7732] ? rtnl_link_unregister+0x260/0x260 [ 620.944753][ T7732] rtnl_newlink+0x67/0xa0 [ 620.949215][ T7732] ? __rtnl_newlink+0x1930/0x1930 [ 620.954401][ T7732] rtnetlink_rcv_msg+0x3c7/0xe00 [ 620.959517][ T7732] ? rtnl_getlink+0xb40/0xb40 [ 620.964409][ T7732] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 620.970779][ T7732] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 620.977174][ T7732] netlink_rcv_skb+0x16b/0x440 [ 620.982412][ T7732] ? rtnl_getlink+0xb40/0xb40 [ 620.987121][ T7732] ? netlink_ack+0x1370/0x1370 [ 620.991913][ T7732] ? lock_sync+0x190/0x190 [ 620.996390][ T7732] ? netlink_deliver_tap+0x1a0/0xd00 [ 621.001712][ T7732] ? _copy_from_iter+0x2c1/0x10f0 [ 621.006783][ T7732] netlink_unicast+0x53b/0x810 [ 621.011850][ T7732] ? netlink_attachskb+0x880/0x880 [ 621.017002][ T7732] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 621.023106][ T7732] ? __phys_addr_symbol+0x30/0x70 [ 621.028161][ T7732] ? __check_object_size+0x323/0x730 [ 621.033754][ T7732] netlink_sendmsg+0x93c/0xe40 [ 621.038909][ T7732] ? netlink_unicast+0x810/0x810 [ 621.044602][ T7732] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 621.050360][ T7732] ? netlink_unicast+0x810/0x810 [ 621.055424][ T7732] __sock_sendmsg+0xd5/0x180 [ 621.060043][ T7732] ____sys_sendmsg+0x6ac/0x940 [ 621.064843][ T7732] ? copy_msghdr_from_user+0x10b/0x160 [ 621.070768][ T7732] ? kernel_sendmsg+0x50/0x50 [ 621.075958][ T7732] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 621.082967][ T7732] ___sys_sendmsg+0x135/0x1d0 [ 621.088135][ T7732] ? do_recvmmsg+0x740/0x740 [ 621.092861][ T7732] ? find_held_lock+0x2d/0x110 [ 621.097857][ T7732] ? preempt_count_sub+0x150/0x150 [ 621.103362][ T7732] ? __fget_light+0x1fc/0x260 [ 621.108433][ T7732] __sys_sendmsg+0x117/0x1e0 [ 621.113661][ T7732] ? __sys_sendmsg_sock+0x30/0x30 [ 621.123181][ T7732] ? syscall_enter_from_user_mode+0x26/0x80 [ 621.129391][ T7732] do_syscall_64+0x3f/0x110 [ 621.135298][ T7732] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 621.141401][ T7732] RIP: 0033:0x7f2631248c19 [ 621.145925][ T7732] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 621.165826][ T7732] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 621.174368][ T7732] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 621.182539][ T7732] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 621.190806][ T7732] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 621.203495][ T7732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 621.211756][ T7732] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 621.219982][ T7732] [ 621.223482][ T7732] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 621.271957][ T7733] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 621.284898][ T7733] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 621.302110][ T7733] CPU: 1 PID: 7733 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 621.312908][ T7733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 621.323685][ T7733] Call Trace: [ 621.327080][ T7733] [ 621.330195][ T7733] dump_stack_lvl+0x125/0x1b0 [ 621.335116][ T7733] sysfs_warn_dup+0x7f/0xa0 [ 621.339757][ T7733] sysfs_create_dir_ns+0x247/0x2a0 [ 621.344916][ T7733] ? sysfs_create_mount_point+0xb0/0xb0 [ 621.350847][ T7733] ? spin_bug+0x1d0/0x1d0 [ 621.355312][ T7733] ? net_namespace+0x12/0x40 [ 621.360214][ T7733] ? device_namespace+0x8d/0xc0 [ 621.365174][ T7733] kobject_add_internal+0x2c8/0x960 [ 621.370599][ T7733] kobject_add+0x16f/0x240 [ 621.375223][ T7733] ? kset_create_and_add+0x190/0x190 [ 621.380704][ T7733] ? do_raw_spin_unlock+0x173/0x230 [ 621.386026][ T7733] ? kobject_put+0xbe/0x440 [ 621.390659][ T7733] ? device_add+0xc35/0x1aa0 [ 621.395572][ T7733] device_add+0x289/0x1aa0 [ 621.400168][ T7733] ? device_initialize+0x510/0x510 [ 621.405495][ T7733] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 621.412765][ T7733] ? __init_waitqueue_head+0xca/0x150 [ 621.418340][ T7733] netdev_register_kobject+0x183/0x3f0 [ 621.424164][ T7733] register_netdevice+0xbdf/0x14a0 [ 621.430336][ T7733] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 621.436942][ T7733] ? team_nl_cmd_noop+0x280/0x280 [ 621.442244][ T7733] team_newlink+0x92/0x160 [ 621.447025][ T7733] ? team_nl_cmd_noop+0x280/0x280 [ 621.452236][ T7733] ? rtnl_create_link+0xa6d/0xfd0 [ 621.457551][ T7733] __rtnl_newlink+0x1173/0x1930 [ 621.462439][ T7733] ? rtnl_link_unregister+0x260/0x260 [ 621.467872][ T7733] rtnl_newlink+0x67/0xa0 [ 621.472384][ T7733] ? __rtnl_newlink+0x1930/0x1930 [ 621.477445][ T7733] rtnetlink_rcv_msg+0x3c7/0xe00 [ 621.482508][ T7733] ? rtnl_getlink+0xb40/0xb40 [ 621.487204][ T7733] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 621.493381][ T7733] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 621.499396][ T7733] netlink_rcv_skb+0x16b/0x440 [ 621.504522][ T7733] ? rtnl_getlink+0xb40/0xb40 [ 621.509817][ T7733] ? netlink_ack+0x1370/0x1370 [ 621.514695][ T7733] ? lock_sync+0x190/0x190 [ 621.519497][ T7733] ? netlink_deliver_tap+0x1a0/0xd00 [ 621.524968][ T7733] ? _copy_from_iter+0x2c1/0x10f0 [ 621.530020][ T7733] netlink_unicast+0x53b/0x810 [ 621.534972][ T7733] ? netlink_attachskb+0x880/0x880 [ 621.540443][ T7733] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 621.546519][ T7733] ? __phys_addr_symbol+0x30/0x70 [ 621.552018][ T7733] ? __check_object_size+0x323/0x730 [ 621.557499][ T7733] netlink_sendmsg+0x93c/0xe40 [ 621.562363][ T7733] ? netlink_unicast+0x810/0x810 [ 621.567496][ T7733] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 621.572788][ T7733] ? netlink_unicast+0x810/0x810 [ 621.577849][ T7733] __sock_sendmsg+0xd5/0x180 [ 621.582794][ T7733] ____sys_sendmsg+0x6ac/0x940 [ 621.587776][ T7733] ? copy_msghdr_from_user+0x10b/0x160 [ 621.593609][ T7733] ? kernel_sendmsg+0x50/0x50 [ 621.598919][ T7733] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 621.605014][ T7733] ___sys_sendmsg+0x135/0x1d0 [ 621.609974][ T7733] ? do_recvmmsg+0x740/0x740 [ 621.615192][ T7733] ? find_held_lock+0x2d/0x110 [ 621.619979][ T7733] ? preempt_count_sub+0x150/0x150 [ 621.625118][ T7733] ? __fget_light+0x1fc/0x260 [ 621.630028][ T7733] __sys_sendmsg+0x117/0x1e0 [ 621.634803][ T7733] ? __sys_sendmsg_sock+0x30/0x30 [ 621.640025][ T7733] ? syscall_enter_from_user_mode+0x26/0x80 [ 621.645930][ T7733] do_syscall_64+0x3f/0x110 [ 621.650451][ T7733] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 621.656541][ T7733] RIP: 0033:0x7f2631248c19 [ 621.661488][ T7733] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 621.681456][ T7733] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 621.690484][ T7733] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 621.698748][ T7733] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 621.707088][ T7733] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 621.715151][ T7733] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 621.723209][ T7733] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 621.731212][ T7733] [ 621.756594][ T7733] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 621.783575][ T7733] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 621.793384][ T7733] CPU: 1 PID: 7733 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 621.803849][ T7733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 621.814763][ T7733] Call Trace: [ 621.818066][ T7733] [ 621.821024][ T7733] dump_stack_lvl+0x125/0x1b0 [ 621.826640][ T7733] sysfs_warn_dup+0x7f/0xa0 [ 621.831187][ T7733] sysfs_create_dir_ns+0x247/0x2a0 [ 621.836605][ T7733] ? sysfs_create_mount_point+0xb0/0xb0 [ 621.842295][ T7733] ? spin_bug+0x1d0/0x1d0 [ 621.847039][ T7733] ? net_namespace+0x12/0x40 [ 621.851749][ T7733] ? device_namespace+0x8d/0xc0 [ 621.856913][ T7733] kobject_add_internal+0x2c8/0x960 [ 621.862159][ T7733] kobject_add+0x16f/0x240 [ 621.866703][ T7733] ? kset_create_and_add+0x190/0x190 [ 621.872199][ T7733] ? do_raw_spin_unlock+0x173/0x230 [ 621.877435][ T7733] ? kobject_put+0xbe/0x440 [ 621.881985][ T7733] ? device_add+0xc35/0x1aa0 [ 621.886699][ T7733] device_add+0x289/0x1aa0 [ 621.891321][ T7733] ? device_initialize+0x510/0x510 [ 621.896649][ T7733] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 621.903621][ T7733] ? __init_waitqueue_head+0xca/0x150 [ 621.909035][ T7733] netdev_register_kobject+0x183/0x3f0 [ 621.914629][ T7733] register_netdevice+0xbdf/0x14a0 [ 621.919868][ T7733] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 621.925807][ T7733] ? validate_linkmsg+0x6fc/0x9c0 [ 621.931672][ T7733] ? rtnl_create_link+0xa6d/0xfd0 [ 621.936738][ T7733] ? batadv_get_sset_count+0x40/0x40 [ 621.942732][ T7733] batadv_softif_newlink+0x70/0x90 [ 621.947893][ T7733] __rtnl_newlink+0x1173/0x1930 [ 621.952964][ T7733] ? rtnl_link_unregister+0x260/0x260 [ 621.958495][ T7733] rtnl_newlink+0x67/0xa0 [ 621.963120][ T7733] ? __rtnl_newlink+0x1930/0x1930 [ 621.968514][ T7733] rtnetlink_rcv_msg+0x3c7/0xe00 [ 621.978702][ T7733] ? rtnl_getlink+0xb40/0xb40 [ 621.983409][ T7733] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 621.989616][ T7733] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 621.995915][ T7733] netlink_rcv_skb+0x16b/0x440 [ 622.001209][ T7733] ? rtnl_getlink+0xb40/0xb40 [ 622.006000][ T7733] ? netlink_ack+0x1370/0x1370 [ 622.011049][ T7733] ? lock_sync+0x190/0x190 [ 622.015523][ T7733] ? netlink_deliver_tap+0x1a0/0xd00 [ 622.020943][ T7733] ? _copy_from_iter+0x2c1/0x10f0 [ 622.026191][ T7733] netlink_unicast+0x53b/0x810 [ 622.031100][ T7733] ? netlink_attachskb+0x880/0x880 [ 622.036434][ T7733] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 622.042749][ T7733] ? __phys_addr_symbol+0x30/0x70 [ 622.047904][ T7733] ? __check_object_size+0x323/0x730 [ 622.053239][ T7733] netlink_sendmsg+0x93c/0xe40 [ 622.058135][ T7733] ? netlink_unicast+0x810/0x810 [ 622.063117][ T7733] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 622.068616][ T7733] ? netlink_unicast+0x810/0x810 [ 622.073681][ T7733] __sock_sendmsg+0xd5/0x180 [ 622.078425][ T7733] ____sys_sendmsg+0x6ac/0x940 [ 622.083649][ T7733] ? copy_msghdr_from_user+0x10b/0x160 [ 622.089323][ T7733] ? kernel_sendmsg+0x50/0x50 [ 622.094143][ T7733] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 622.100352][ T7733] ___sys_sendmsg+0x135/0x1d0 [ 622.105165][ T7733] ? do_recvmmsg+0x740/0x740 [ 622.109954][ T7733] ? find_held_lock+0x2d/0x110 [ 622.114868][ T7733] ? preempt_count_sub+0x150/0x150 [ 622.120136][ T7733] ? __fget_light+0x1fc/0x260 [ 622.125123][ T7733] __sys_sendmsg+0x117/0x1e0 [ 622.129838][ T7733] ? __sys_sendmsg_sock+0x30/0x30 [ 622.134932][ T7733] ? syscall_enter_from_user_mode+0x26/0x80 [ 622.141307][ T7733] do_syscall_64+0x3f/0x110 [ 622.146381][ T7733] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 622.152567][ T7733] RIP: 0033:0x7f2631248c19 [ 622.157102][ T7733] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 622.177676][ T7733] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 622.186313][ T7733] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 622.194573][ T7733] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 622.203013][ T7733] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 622.211182][ T7733] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 622.219350][ T7733] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 622.227549][ T7733] [ 622.239248][ T7733] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 622.372732][ T7734] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 622.384789][ T7734] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 622.394891][ T7734] CPU: 1 PID: 7734 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 622.405189][ T7734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 622.415683][ T7734] Call Trace: [ 622.419093][ T7734] [ 622.422204][ T7734] dump_stack_lvl+0x125/0x1b0 [ 622.427208][ T7734] sysfs_warn_dup+0x7f/0xa0 [ 622.432046][ T7734] sysfs_create_dir_ns+0x247/0x2a0 [ 622.437648][ T7734] ? sysfs_create_mount_point+0xb0/0xb0 [ 622.443597][ T7734] ? spin_bug+0x1d0/0x1d0 [ 622.447965][ T7734] ? net_namespace+0x12/0x40 [ 622.452866][ T7734] ? device_namespace+0x8d/0xc0 [ 622.457919][ T7734] kobject_add_internal+0x2c8/0x960 [ 622.463242][ T7734] kobject_add+0x16f/0x240 [ 622.467684][ T7734] ? kset_create_and_add+0x190/0x190 [ 622.473252][ T7734] ? do_raw_spin_unlock+0x173/0x230 [ 622.478471][ T7734] ? kobject_put+0xbe/0x440 [ 622.483291][ T7734] ? device_add+0xc35/0x1aa0 [ 622.488105][ T7734] device_add+0x289/0x1aa0 [ 622.492737][ T7734] ? device_initialize+0x510/0x510 [ 622.498051][ T7734] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 622.505281][ T7734] ? __init_waitqueue_head+0xca/0x150 [ 622.510859][ T7734] netdev_register_kobject+0x183/0x3f0 [ 622.516489][ T7734] register_netdevice+0xbdf/0x14a0 [ 622.521880][ T7734] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 622.528057][ T7734] ? team_nl_cmd_noop+0x280/0x280 [ 622.533095][ T7734] team_newlink+0x92/0x160 [ 622.537706][ T7734] ? team_nl_cmd_noop+0x280/0x280 [ 622.543031][ T7734] ? rtnl_create_link+0xa6d/0xfd0 [ 622.548169][ T7734] __rtnl_newlink+0x1173/0x1930 [ 622.553087][ T7734] ? rtnl_link_unregister+0x260/0x260 [ 622.558500][ T7734] rtnl_newlink+0x67/0xa0 [ 622.562840][ T7734] ? __rtnl_newlink+0x1930/0x1930 [ 622.567886][ T7734] rtnetlink_rcv_msg+0x3c7/0xe00 [ 622.572849][ T7734] ? rtnl_getlink+0xb40/0xb40 [ 622.577531][ T7734] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 622.583703][ T7734] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 622.589711][ T7734] netlink_rcv_skb+0x16b/0x440 [ 622.594486][ T7734] ? rtnl_getlink+0xb40/0xb40 [ 622.599442][ T7734] ? netlink_ack+0x1370/0x1370 [ 622.604501][ T7734] ? lock_sync+0x190/0x190 [ 622.609120][ T7734] ? netlink_deliver_tap+0x1a0/0xd00 [ 622.614512][ T7734] ? _copy_from_iter+0x2c1/0x10f0 [ 622.619873][ T7734] netlink_unicast+0x53b/0x810 [ 622.624740][ T7734] ? netlink_attachskb+0x880/0x880 [ 622.629861][ T7734] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 622.635950][ T7734] ? __phys_addr_symbol+0x30/0x70 [ 622.641071][ T7734] ? __check_object_size+0x323/0x730 [ 622.646395][ T7734] netlink_sendmsg+0x93c/0xe40 [ 622.651635][ T7734] ? netlink_unicast+0x810/0x810 [ 622.656615][ T7734] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 622.661923][ T7734] ? netlink_unicast+0x810/0x810 [ 622.666906][ T7734] __sock_sendmsg+0xd5/0x180 [ 622.671697][ T7734] ____sys_sendmsg+0x6ac/0x940 [ 622.676558][ T7734] ? copy_msghdr_from_user+0x10b/0x160 [ 622.682290][ T7734] ? kernel_sendmsg+0x50/0x50 [ 622.686990][ T7734] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 622.693176][ T7734] ___sys_sendmsg+0x135/0x1d0 [ 622.697956][ T7734] ? do_recvmmsg+0x740/0x740 [ 622.702565][ T7734] ? find_held_lock+0x2d/0x110 [ 622.707443][ T7734] ? preempt_count_sub+0x150/0x150 [ 622.712575][ T7734] ? __fget_light+0x1fc/0x260 [ 622.717482][ T7734] __sys_sendmsg+0x117/0x1e0 [ 622.722109][ T7734] ? __sys_sendmsg_sock+0x30/0x30 [ 622.727199][ T7734] ? syscall_enter_from_user_mode+0x26/0x80 [ 622.733122][ T7734] do_syscall_64+0x3f/0x110 [ 622.737745][ T7734] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 622.744158][ T7734] RIP: 0033:0x7f2631248c19 [ 622.748851][ T7734] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 622.768829][ T7734] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 622.777477][ T7734] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 622.785472][ T7734] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 622.793627][ T7734] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 622.801614][ T7734] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 622.809676][ T7734] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 622.817948][ T7734] [ 622.835283][ T7734] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 622.885785][ T7734] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 622.895297][ T7734] CPU: 1 PID: 7734 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 622.905502][ T7734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 622.916125][ T7734] Call Trace: [ 622.919441][ T7734] [ 622.922414][ T7734] dump_stack_lvl+0x125/0x1b0 [ 622.927444][ T7734] sysfs_warn_dup+0x7f/0xa0 [ 622.932193][ T7734] sysfs_create_dir_ns+0x247/0x2a0 [ 622.937705][ T7734] ? sysfs_create_mount_point+0xb0/0xb0 [ 622.943471][ T7734] ? spin_bug+0x1d0/0x1d0 [ 622.947856][ T7734] ? net_namespace+0x12/0x40 [ 622.952507][ T7734] ? device_namespace+0x8d/0xc0 [ 622.957437][ T7734] kobject_add_internal+0x2c8/0x960 [ 622.962696][ T7734] kobject_add+0x16f/0x240 [ 622.967426][ T7734] ? kset_create_and_add+0x190/0x190 [ 622.972946][ T7734] ? do_raw_spin_unlock+0x173/0x230 [ 622.979492][ T7734] ? kobject_put+0xbe/0x440 [ 622.984058][ T7734] ? device_add+0xc35/0x1aa0 [ 622.988948][ T7734] device_add+0x289/0x1aa0 [ 622.993582][ T7734] ? device_initialize+0x510/0x510 [ 622.999175][ T7734] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 623.006496][ T7734] ? __init_waitqueue_head+0xca/0x150 [ 623.013001][ T7734] netdev_register_kobject+0x183/0x3f0 [ 623.019403][ T7734] register_netdevice+0xbdf/0x14a0 [ 623.025094][ T7734] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 623.032083][ T7734] ? validate_linkmsg+0x6fc/0x9c0 [ 623.037395][ T7734] ? rtnl_create_link+0xa6d/0xfd0 [ 623.042737][ T7734] ? batadv_get_sset_count+0x40/0x40 [ 623.048938][ T7734] batadv_softif_newlink+0x70/0x90 [ 623.054641][ T7734] __rtnl_newlink+0x1173/0x1930 [ 623.059879][ T7734] ? rtnl_link_unregister+0x260/0x260 [ 623.065682][ T7734] rtnl_newlink+0x67/0xa0 [ 623.071592][ T7734] ? __rtnl_newlink+0x1930/0x1930 [ 623.077014][ T7734] rtnetlink_rcv_msg+0x3c7/0xe00 [ 623.082071][ T7734] ? rtnl_getlink+0xb40/0xb40 [ 623.087117][ T7734] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 623.093217][ T7734] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 623.099334][ T7734] netlink_rcv_skb+0x16b/0x440 [ 623.104406][ T7734] ? rtnl_getlink+0xb40/0xb40 [ 623.109232][ T7734] ? netlink_ack+0x1370/0x1370 [ 623.114542][ T7734] ? lock_sync+0x190/0x190 [ 623.119465][ T7734] ? netlink_deliver_tap+0x1a0/0xd00 [ 623.124895][ T7734] ? _copy_from_iter+0x2c1/0x10f0 [ 623.131315][ T7734] netlink_unicast+0x53b/0x810 [ 623.136307][ T7734] ? netlink_attachskb+0x880/0x880 [ 623.141635][ T7734] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 623.147767][ T7734] ? __phys_addr_symbol+0x30/0x70 [ 623.153182][ T7734] ? __check_object_size+0x323/0x730 [ 623.158527][ T7734] netlink_sendmsg+0x93c/0xe40 [ 623.163435][ T7734] ? netlink_unicast+0x810/0x810 [ 623.168463][ T7734] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 623.173967][ T7734] ? netlink_unicast+0x810/0x810 [ 623.179212][ T7734] __sock_sendmsg+0xd5/0x180 [ 623.183834][ T7734] ____sys_sendmsg+0x6ac/0x940 [ 623.189000][ T7734] ? copy_msghdr_from_user+0x10b/0x160 [ 623.194820][ T7734] ? kernel_sendmsg+0x50/0x50 [ 623.199814][ T7734] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 623.205956][ T7734] ___sys_sendmsg+0x135/0x1d0 [ 623.212111][ T7734] ? do_recvmmsg+0x740/0x740 [ 623.217381][ T7734] ? find_held_lock+0x2d/0x110 [ 623.222380][ T7734] ? preempt_count_sub+0x150/0x150 [ 623.227885][ T7734] ? __fget_light+0x1fc/0x260 [ 623.232687][ T7734] __sys_sendmsg+0x117/0x1e0 [ 623.237511][ T7734] ? __sys_sendmsg_sock+0x30/0x30 [ 623.242875][ T7734] ? syscall_enter_from_user_mode+0x26/0x80 [ 623.249075][ T7734] do_syscall_64+0x3f/0x110 [ 623.254085][ T7734] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 623.260831][ T7734] RIP: 0033:0x7f2631248c19 [ 623.265482][ T7734] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 623.286216][ T7734] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 623.295458][ T7734] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 623.303730][ T7734] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 623.311993][ T7734] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 623.320262][ T7734] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 623.328696][ T7734] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 623.336897][ T7734] [ 623.350239][ T7734] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 623.536043][ T7735] netlink: 4 bytes leftover after parsing attributes in process `syz-executor101'. [ 623.550529][ T7735] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000' [ 623.560512][ T7735] CPU: 1 PID: 7735 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 623.570971][ T7735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 623.581493][ T7735] Call Trace: [ 623.584798][ T7735] [ 623.587747][ T7735] dump_stack_lvl+0x125/0x1b0 [ 623.592545][ T7735] sysfs_warn_dup+0x7f/0xa0 [ 623.597173][ T7735] sysfs_create_dir_ns+0x247/0x2a0 [ 623.602408][ T7735] ? sysfs_create_mount_point+0xb0/0xb0 [ 623.608078][ T7735] ? spin_bug+0x1d0/0x1d0 [ 623.612470][ T7735] ? net_namespace+0x12/0x40 [ 623.617263][ T7735] ? device_namespace+0x8d/0xc0 [ 623.622240][ T7735] kobject_add_internal+0x2c8/0x960 [ 623.627861][ T7735] kobject_add+0x16f/0x240 [ 623.632525][ T7735] ? kset_create_and_add+0x190/0x190 [ 623.637863][ T7735] ? do_raw_spin_unlock+0x173/0x230 [ 623.643301][ T7735] ? kobject_put+0xbe/0x440 [ 623.647854][ T7735] ? device_add+0xc35/0x1aa0 [ 623.653086][ T7735] device_add+0x289/0x1aa0 [ 623.657592][ T7735] ? device_initialize+0x510/0x510 [ 623.662999][ T7735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 623.670075][ T7735] ? __init_waitqueue_head+0xca/0x150 [ 623.676109][ T7735] netdev_register_kobject+0x183/0x3f0 [ 623.681703][ T7735] register_netdevice+0xbdf/0x14a0 [ 623.686844][ T7735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 623.692860][ T7735] ? team_nl_cmd_noop+0x280/0x280 [ 623.698272][ T7735] team_newlink+0x92/0x160 [ 623.702985][ T7735] ? team_nl_cmd_noop+0x280/0x280 [ 623.708128][ T7735] ? rtnl_create_link+0xa6d/0xfd0 [ 623.713292][ T7735] __rtnl_newlink+0x1173/0x1930 [ 623.718303][ T7735] ? rtnl_link_unregister+0x260/0x260 [ 623.723839][ T7735] rtnl_newlink+0x67/0xa0 [ 623.728189][ T7735] ? __rtnl_newlink+0x1930/0x1930 [ 623.733419][ T7735] rtnetlink_rcv_msg+0x3c7/0xe00 [ 623.738383][ T7735] ? rtnl_getlink+0xb40/0xb40 [ 623.743087][ T7735] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 623.749106][ T7735] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 623.755231][ T7735] netlink_rcv_skb+0x16b/0x440 [ 623.760116][ T7735] ? rtnl_getlink+0xb40/0xb40 [ 623.764817][ T7735] ? netlink_ack+0x1370/0x1370 [ 623.769877][ T7735] ? lock_sync+0x190/0x190 [ 623.774337][ T7735] ? netlink_deliver_tap+0x1a0/0xd00 [ 623.779649][ T7735] ? _copy_from_iter+0x2c1/0x10f0 [ 623.784798][ T7735] netlink_unicast+0x53b/0x810 [ 623.789769][ T7735] ? netlink_attachskb+0x880/0x880 [ 623.794992][ T7735] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 623.801450][ T7735] ? __phys_addr_symbol+0x30/0x70 [ 623.806672][ T7735] ? __check_object_size+0x323/0x730 [ 623.812004][ T7735] netlink_sendmsg+0x93c/0xe40 [ 623.816804][ T7735] ? netlink_unicast+0x810/0x810 [ 623.821952][ T7735] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 623.827351][ T7735] ? netlink_unicast+0x810/0x810 [ 623.832681][ T7735] __sock_sendmsg+0xd5/0x180 [ 623.837389][ T7735] ____sys_sendmsg+0x6ac/0x940 [ 623.842373][ T7735] ? copy_msghdr_from_user+0x10b/0x160 [ 623.848036][ T7735] ? kernel_sendmsg+0x50/0x50 [ 623.852746][ T7735] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 623.858875][ T7735] ___sys_sendmsg+0x135/0x1d0 [ 623.863851][ T7735] ? do_recvmmsg+0x740/0x740 [ 623.868904][ T7735] ? find_held_lock+0x2d/0x110 [ 623.873713][ T7735] ? preempt_count_sub+0x150/0x150 [ 623.879210][ T7735] ? __fget_light+0x1fc/0x260 [ 623.884184][ T7735] __sys_sendmsg+0x117/0x1e0 [ 623.888801][ T7735] ? __sys_sendmsg_sock+0x30/0x30 [ 623.894137][ T7735] ? syscall_enter_from_user_mode+0x26/0x80 [ 623.900237][ T7735] do_syscall_64+0x3f/0x110 [ 623.904773][ T7735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 623.910687][ T7735] RIP: 0033:0x7f2631248c19 [ 623.915389][ T7735] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 623.937042][ T7735] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 623.945669][ T7735] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 623.953835][ T7735] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 623.961937][ T7735] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 623.970807][ T7735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 623.979075][ T7735] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 623.987201][ T7735] [ 624.000063][ T7735] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 624.037511][ T7735] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000' [ 624.047122][ T7735] CPU: 1 PID: 7735 Comm: syz-executor101 Not tainted 6.6.0-syzkaller-15866-g2bd5b559a1f3 #0 [ 624.059402][ T7735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 624.071323][ T7735] Call Trace: [ 624.075486][ T7735] [ 624.078631][ T7735] dump_stack_lvl+0x125/0x1b0 [ 624.083453][ T7735] sysfs_warn_dup+0x7f/0xa0 [ 624.088364][ T7735] sysfs_create_dir_ns+0x247/0x2a0 [ 624.093518][ T7735] ? sysfs_create_mount_point+0xb0/0xb0 [ 624.099367][ T7735] ? spin_bug+0x1d0/0x1d0 [ 624.103935][ T7735] ? net_namespace+0x12/0x40 [ 624.108550][ T7735] ? device_namespace+0x8d/0xc0 [ 624.113513][ T7735] kobject_add_internal+0x2c8/0x960 [ 624.118914][ T7735] kobject_add+0x16f/0x240 [ 624.123391][ T7735] ? kset_create_and_add+0x190/0x190 [ 624.129260][ T7735] ? do_raw_spin_unlock+0x173/0x230 [ 624.134760][ T7735] ? kobject_put+0xbe/0x440 [ 624.139300][ T7735] ? device_add+0xc35/0x1aa0 [ 624.144084][ T7735] device_add+0x289/0x1aa0 [ 624.148518][ T7735] ? device_initialize+0x510/0x510 [ 624.153684][ T7735] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 624.160553][ T7735] ? __init_waitqueue_head+0xca/0x150 [ 624.166054][ T7735] netdev_register_kobject+0x183/0x3f0 [ 624.171547][ T7735] register_netdevice+0xbdf/0x14a0 [ 624.176947][ T7735] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 624.183049][ T7735] ? validate_linkmsg+0x6fc/0x9c0 [ 624.188356][ T7735] ? rtnl_create_link+0xa6d/0xfd0 [ 624.193668][ T7735] ? batadv_get_sset_count+0x40/0x40 [ 624.199323][ T7735] batadv_softif_newlink+0x70/0x90 [ 624.204554][ T7735] __rtnl_newlink+0x1173/0x1930 [ 624.210326][ T7735] ? rtnl_link_unregister+0x260/0x260 [ 624.216785][ T7735] rtnl_newlink+0x67/0xa0 [ 624.226078][ T7735] ? __rtnl_newlink+0x1930/0x1930 [ 624.231695][ T7735] rtnetlink_rcv_msg+0x3c7/0xe00 [ 624.236756][ T7735] ? rtnl_getlink+0xb40/0xb40 [ 624.241447][ T7735] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 624.247483][ T7735] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 624.253719][ T7735] netlink_rcv_skb+0x16b/0x440 [ 624.258683][ T7735] ? rtnl_getlink+0xb40/0xb40 [ 624.263393][ T7735] ? netlink_ack+0x1370/0x1370 [ 624.268603][ T7735] ? lock_sync+0x190/0x190 [ 624.273237][ T7735] ? netlink_deliver_tap+0x1a0/0xd00 [ 624.278821][ T7735] ? _copy_from_iter+0x2c1/0x10f0 [ 624.284088][ T7735] netlink_unicast+0x53b/0x810 [ 624.288913][ T7735] ? netlink_attachskb+0x880/0x880 [ 624.294334][ T7735] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 624.300643][ T7735] ? __phys_addr_symbol+0x30/0x70 [ 624.305968][ T7735] ? __check_object_size+0x323/0x730 [ 624.311644][ T7735] netlink_sendmsg+0x93c/0xe40 [ 624.316440][ T7735] ? netlink_unicast+0x810/0x810 [ 624.321568][ T7735] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 624.326875][ T7735] ? netlink_unicast+0x810/0x810 [ 624.332000][ T7735] __sock_sendmsg+0xd5/0x180 [ 624.336990][ T7735] ____sys_sendmsg+0x6ac/0x940 [ 624.341848][ T7735] ? copy_msghdr_from_user+0x10b/0x160 [ 624.347576][ T7735] ? kernel_sendmsg+0x50/0x50 [ 624.353002][ T7735] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 624.359990][ T7735] ___sys_sendmsg+0x135/0x1d0 [ 624.364987][ T7735] ? do_recvmmsg+0x740/0x740 [ 624.369961][ T7735] ? find_held_lock+0x2d/0x110 [ 624.374951][ T7735] ? preempt_count_sub+0x150/0x150 [ 624.380275][ T7735] ? __fget_light+0x1fc/0x260 [ 624.385146][ T7735] __sys_sendmsg+0x117/0x1e0 [ 624.389936][ T7735] ? __sys_sendmsg_sock+0x30/0x30 [ 624.395783][ T7735] ? syscall_enter_from_user_mode+0x26/0x80 [ 624.401696][ T7735] do_syscall_64+0x3f/0x110 [ 624.406584][ T7735] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 624.413655][ T7735] RIP: 0033:0x7f2631248c19 [ 624.418203][ T7735] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 624.438398][ T7735] RSP: 002b:00007fffa3dbcf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 624.447698][ T7735] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2631248c19 [ 624.455857][ T7735] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 624.464202][ T7735] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 624.472208][ T7735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 624.480717][ T7735] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001