[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 22.766336] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 25.266974] random: sshd: uninitialized urandom read (32 bytes read) [ 25.586736] random: sshd: uninitialized urandom read (32 bytes read) [ 26.167630] random: sshd: uninitialized urandom read (32 bytes read) [ 386.877816] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.3' (ECDSA) to the list of known hosts. [ 392.492561] random: sshd: uninitialized urandom read (32 bytes read) 2018/09/04 09:54:06 parsed 1 programs [ 393.745426] random: cc1: uninitialized urandom read (8 bytes read) 2018/09/04 09:54:09 executed programs: 0 [ 395.321797] IPVS: ftp: loaded support on port[0] = 21 [ 395.333006] IPVS: ftp: loaded support on port[0] = 21 [ 395.340722] IPVS: ftp: loaded support on port[0] = 21 [ 395.342516] IPVS: ftp: loaded support on port[0] = 21 [ 395.350964] IPVS: ftp: loaded support on port[0] = 21 [ 395.356516] IPVS: ftp: loaded support on port[0] = 21 [ 395.366319] IPVS: ftp: loaded support on port[0] = 21 [ 395.370972] IPVS: ftp: loaded support on port[0] = 21 [ 396.253985] bridge0: port 1(bridge_slave_0) entered blocking state [ 396.260717] bridge0: port 1(bridge_slave_0) entered disabled state [ 396.269077] device bridge_slave_0 entered promiscuous mode [ 396.288397] bridge0: port 1(bridge_slave_0) entered blocking state [ 396.294777] bridge0: port 1(bridge_slave_0) entered disabled state [ 396.304505] device bridge_slave_0 entered promiscuous mode [ 396.316627] bridge0: port 1(bridge_slave_0) entered blocking state [ 396.323047] bridge0: port 1(bridge_slave_0) entered disabled state [ 396.330550] device bridge_slave_0 entered promiscuous mode [ 396.338534] bridge0: port 1(bridge_slave_0) entered blocking state [ 396.344910] bridge0: port 1(bridge_slave_0) entered disabled state [ 396.352145] device bridge_slave_0 entered promiscuous mode [ 396.359415] bridge0: port 1(bridge_slave_0) entered blocking state [ 396.365875] bridge0: port 1(bridge_slave_0) entered disabled state [ 396.372920] device bridge_slave_0 entered promiscuous mode [ 396.380773] bridge0: port 1(bridge_slave_0) entered blocking state [ 396.387148] bridge0: port 1(bridge_slave_0) entered disabled state [ 396.395183] device bridge_slave_0 entered promiscuous mode [ 396.403874] bridge0: port 2(bridge_slave_1) entered blocking state [ 396.410316] bridge0: port 2(bridge_slave_1) entered disabled state [ 396.417544] device bridge_slave_1 entered promiscuous mode [ 396.425973] bridge0: port 1(bridge_slave_0) entered blocking state [ 396.432373] bridge0: port 1(bridge_slave_0) entered disabled state [ 396.439692] device bridge_slave_0 entered promiscuous mode [ 396.447434] bridge0: port 2(bridge_slave_1) entered blocking state [ 396.453871] bridge0: port 2(bridge_slave_1) entered disabled state [ 396.461212] device bridge_slave_1 entered promiscuous mode [ 396.468608] bridge0: port 2(bridge_slave_1) entered blocking state [ 396.474994] bridge0: port 2(bridge_slave_1) entered disabled state [ 396.482262] device bridge_slave_1 entered promiscuous mode [ 396.490010] bridge0: port 2(bridge_slave_1) entered blocking state [ 396.496378] bridge0: port 2(bridge_slave_1) entered disabled state [ 396.503940] device bridge_slave_1 entered promiscuous mode [ 396.510790] bridge0: port 1(bridge_slave_0) entered blocking state [ 396.517226] bridge0: port 1(bridge_slave_0) entered disabled state [ 396.524856] device bridge_slave_0 entered promiscuous mode [ 396.533453] bridge0: port 2(bridge_slave_1) entered blocking state [ 396.539890] bridge0: port 2(bridge_slave_1) entered disabled state [ 396.547096] device bridge_slave_1 entered promiscuous mode [ 396.554268] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 396.562690] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 396.570807] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 396.578921] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 396.586063] bridge0: port 2(bridge_slave_1) entered blocking state [ 396.592507] bridge0: port 2(bridge_slave_1) entered disabled state [ 396.601803] device bridge_slave_1 entered promiscuous mode [ 396.608394] bridge0: port 2(bridge_slave_1) entered blocking state [ 396.614752] bridge0: port 2(bridge_slave_1) entered disabled state [ 396.625713] device bridge_slave_1 entered promiscuous mode [ 396.633206] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 396.641130] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 396.649541] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 396.657952] bridge0: port 2(bridge_slave_1) entered blocking state [ 396.664326] bridge0: port 2(bridge_slave_1) entered disabled state [ 396.676729] device bridge_slave_1 entered promiscuous mode [ 396.683505] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 396.690789] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 396.698365] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 396.707856] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 396.720735] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 396.728048] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 396.751910] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 396.776677] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 396.791613] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 396.839081] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 396.862013] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 396.879311] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 396.894406] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 396.918209] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 396.948326] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 396.960764] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 396.969978] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 396.988322] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 396.999402] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 397.020727] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 397.028942] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 397.052479] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 397.062897] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 397.072780] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 397.079783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 397.092197] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 397.112254] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 397.121975] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 397.133435] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 397.143938] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 397.152895] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 397.160056] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 397.171205] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 397.178688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 397.199040] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 397.220458] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 397.228715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 397.236896] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 397.243849] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 397.256068] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 397.267411] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 397.291628] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 397.310829] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 397.318352] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 397.326081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 397.343280] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 397.357416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 397.409239] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 397.416299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 397.427038] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 397.434491] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 397.452254] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 397.467789] team0: Port device team_slave_0 added [ 397.486490] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 397.497886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 397.546161] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 397.560842] team0: Port device team_slave_0 added [ 397.574482] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 397.592996] team0: Port device team_slave_1 added [ 397.599083] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 397.606510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 397.637182] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 397.653853] team0: Port device team_slave_0 added [ 397.666412] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 397.673883] team0: Port device team_slave_0 added [ 397.683345] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 397.692832] team0: Port device team_slave_0 added [ 397.701773] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 397.709740] team0: Port device team_slave_0 added [ 397.715781] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 397.723300] team0: Port device team_slave_1 added [ 397.733891] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 397.755709] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 397.767512] team0: Port device team_slave_1 added [ 397.786839] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 397.794624] team0: Port device team_slave_1 added [ 397.802142] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 397.809683] team0: Port device team_slave_1 added [ 397.822531] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 397.839670] team0: Port device team_slave_1 added [ 397.853680] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 397.863951] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 397.883224] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 397.891210] team0: Port device team_slave_0 added [ 397.913478] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 397.923017] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 397.937879] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 397.958958] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 397.968528] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 397.976097] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 397.983925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 397.992488] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 397.999560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 398.009008] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 398.019895] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 398.028722] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 398.042675] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 398.050841] team0: Port device team_slave_0 added [ 398.059585] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 398.066785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 398.075397] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 398.088261] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 398.099853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 398.107618] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 398.115604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 398.124967] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 398.131916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 398.140065] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 398.150331] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 398.157774] team0: Port device team_slave_1 added [ 398.175228] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 398.184472] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 398.193908] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 398.205297] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 398.218256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 398.226311] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 398.234693] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 398.242082] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 398.248977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 398.257288] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 398.267370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 398.279437] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 398.287774] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 398.296343] team0: Port device team_slave_1 added [ 398.304185] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 398.313391] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 398.327943] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 398.342673] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 398.360569] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 398.368860] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 398.380410] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 398.390678] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 398.398229] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 398.412880] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 398.422321] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 398.432202] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 398.443226] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 398.462248] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 398.476745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 398.484522] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 398.492663] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 398.500588] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 398.508431] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 398.515911] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 398.523891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 398.533144] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 398.542454] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 398.549598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 398.558667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 398.566609] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 398.574769] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 398.589712] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 398.604560] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 398.615552] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 398.630329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 398.655263] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 398.663965] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 398.674321] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 398.684748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 398.701181] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 398.737951] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 398.747400] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 398.765773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 398.778611] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 398.788808] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 398.797436] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 398.858349] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 398.865684] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 398.879436] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 399.364573] bridge0: port 2(bridge_slave_1) entered blocking state [ 399.371158] bridge0: port 2(bridge_slave_1) entered forwarding state [ 399.378195] bridge0: port 1(bridge_slave_0) entered blocking state [ 399.384619] bridge0: port 1(bridge_slave_0) entered forwarding state [ 399.409078] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 399.418256] bridge0: port 2(bridge_slave_1) entered blocking state [ 399.424672] bridge0: port 2(bridge_slave_1) entered forwarding state [ 399.431382] bridge0: port 1(bridge_slave_0) entered blocking state [ 399.437757] bridge0: port 1(bridge_slave_0) entered forwarding state [ 399.445688] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 399.535884] bridge0: port 2(bridge_slave_1) entered blocking state [ 399.542297] bridge0: port 2(bridge_slave_1) entered forwarding state [ 399.548982] bridge0: port 1(bridge_slave_0) entered blocking state [ 399.555370] bridge0: port 1(bridge_slave_0) entered forwarding state [ 399.564014] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 399.579770] bridge0: port 2(bridge_slave_1) entered blocking state [ 399.586165] bridge0: port 2(bridge_slave_1) entered forwarding state [ 399.592903] bridge0: port 1(bridge_slave_0) entered blocking state [ 399.599333] bridge0: port 1(bridge_slave_0) entered forwarding state [ 399.614717] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 399.627518] bridge0: port 2(bridge_slave_1) entered blocking state [ 399.633927] bridge0: port 2(bridge_slave_1) entered forwarding state [ 399.640649] bridge0: port 1(bridge_slave_0) entered blocking state [ 399.647038] bridge0: port 1(bridge_slave_0) entered forwarding state [ 399.662379] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 399.686673] bridge0: port 2(bridge_slave_1) entered blocking state [ 399.693069] bridge0: port 2(bridge_slave_1) entered forwarding state [ 399.699789] bridge0: port 1(bridge_slave_0) entered blocking state [ 399.706196] bridge0: port 1(bridge_slave_0) entered forwarding state [ 399.715810] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 399.820046] bridge0: port 2(bridge_slave_1) entered blocking state [ 399.826472] bridge0: port 2(bridge_slave_1) entered forwarding state [ 399.833210] bridge0: port 1(bridge_slave_0) entered blocking state [ 399.839619] bridge0: port 1(bridge_slave_0) entered forwarding state [ 399.861404] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 399.873855] bridge0: port 2(bridge_slave_1) entered blocking state [ 399.880241] bridge0: port 2(bridge_slave_1) entered forwarding state [ 399.886948] bridge0: port 1(bridge_slave_0) entered blocking state [ 399.893344] bridge0: port 1(bridge_slave_0) entered forwarding state [ 399.908013] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 400.062824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 400.070442] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 400.079259] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 400.092691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 400.099927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 400.107568] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 400.114849] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 400.122341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 402.691969] 8021q: adding VLAN 0 to HW filter on device bond0 [ 402.762250] 8021q: adding VLAN 0 to HW filter on device bond0 [ 402.871093] 8021q: adding VLAN 0 to HW filter on device bond0 [ 402.912202] 8021q: adding VLAN 0 to HW filter on device bond0 [ 403.028846] 8021q: adding VLAN 0 to HW filter on device bond0 [ 403.042677] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 403.054603] 8021q: adding VLAN 0 to HW filter on device bond0 [ 403.073959] 8021q: adding VLAN 0 to HW filter on device bond0 [ 403.091783] 8021q: adding VLAN 0 to HW filter on device bond0 [ 403.110672] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 403.190366] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 403.200342] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 403.316664] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 403.362694] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 403.372408] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 403.379756] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 403.386040] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 403.397296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 403.427666] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 403.436666] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 403.446827] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 403.456909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 403.480402] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 403.490773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 403.506821] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 403.605979] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 403.612347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 403.623735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 403.653716] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 403.659955] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 403.669999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 403.695970] 8021q: adding VLAN 0 to HW filter on device team0 [ 403.730690] 8021q: adding VLAN 0 to HW filter on device team0 [ 403.782968] 8021q: adding VLAN 0 to HW filter on device team0 [ 403.797027] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 403.806988] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 403.815986] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 403.826916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 403.850824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 403.858390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 403.866222] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 403.872408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 403.879944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 403.975398] 8021q: adding VLAN 0 to HW filter on device team0 [ 404.073313] 8021q: adding VLAN 0 to HW filter on device team0 [ 404.089714] 8021q: adding VLAN 0 to HW filter on device team0 [ 404.113799] 8021q: adding VLAN 0 to HW filter on device team0 [ 404.153371] 8021q: adding VLAN 0 to HW filter on device team0 2018/09/04 09:54:20 executed programs: 8 [ 406.545434] FS-Cache: Duplicate cookie detected [ 406.550286] FS-Cache: O-cookie c=0000000051b00cec [p=0000000016d1a054 fl=222 nc=0 na=1] [ 406.558508] FS-Cache: O-cookie d=00000000b8534715 n=000000008beef88a [ 406.565041] FS-Cache: O-key=[10] '34323935303732343136' [ 406.570535] FS-Cache: N-cookie c=00000000e0fd2fe4 [p=0000000016d1a054 fl=2 nc=0 na=1] [ 406.578544] FS-Cache: N-cookie d=00000000b8534715 n=00000000988344d0 [ 406.585091] FS-Cache: N-key=[10] '34323935303732343136' [ 553.841261] INFO: task syz-executor4:6761 blocked for more than 140 seconds. [ 553.848760] Not tainted 4.19.0-rc2+ #220 [ 553.853395] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 553.861417] syz-executor4 D24208 6761 4671 0x00000004 [ 553.867126] Call Trace: [ 553.869906] __schedule+0x87c/0x1df0 [ 553.873691] ? __sched_text_start+0x8/0x8 [ 553.877910] ? _raw_spin_unlock_irq+0x27/0x70 [ 553.882451] ? finish_task_switch+0x1d3/0x870 [ 553.886993] ? finish_task_switch+0x18a/0x870 [ 553.891558] ? __switch_to_asm+0x34/0x70 [ 553.895680] ? preempt_notifier_register+0x200/0x200 [ 553.900839] ? __switch_to_asm+0x34/0x70 [ 553.904946] ? __switch_to_asm+0x34/0x70 [ 553.909061] ? __switch_to_asm+0x34/0x70 [ 553.913183] ? __switch_to_asm+0x40/0x70 [ 553.917293] ? __switch_to_asm+0x34/0x70 [ 553.921402] ? __switch_to_asm+0x40/0x70 [ 553.925531] ? __switch_to_asm+0x34/0x70 [ 553.929646] ? __switch_to_asm+0x34/0x70 [ 553.933849] ? graph_lock+0x170/0x170 [ 553.937708] ? __switch_to_asm+0x34/0x70 [ 553.941815] ? __switch_to_asm+0x40/0x70 [ 553.945930] schedule+0xfb/0x450 [ 553.949348] ? __schedule+0x1df0/0x1df0 [ 553.953381] ? find_held_lock+0x36/0x1c0 [ 553.957505] schedule_timeout+0x1cc/0x260 [ 553.961715] ? usleep_range+0x1a0/0x1a0 [ 553.965742] ? wait_for_completion+0x428/0x8d0 [ 553.970389] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 553.975599] ? kasan_check_write+0x14/0x20 [ 553.979917] ? do_raw_spin_lock+0xc1/0x200 [ 553.984219] wait_for_completion+0x430/0x8d0 [ 553.988720] ? wait_for_completion_interruptible+0x950/0x950 [ 553.994561] ? wake_up_q+0x100/0x100 [ 553.998298] ? lockdep_hardirqs_on+0x421/0x5c0 [ 554.002908] ? trace_hardirqs_on+0xbd/0x2c0 [ 554.007256] ? kasan_check_read+0x11/0x20 [ 554.011431] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 554.016560] ? kasan_check_write+0x14/0x20 [ 554.020827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 554.026409] __flush_work+0x59f/0x9c0 [ 554.030250] ? try_to_grab_pending+0x180/0x9c0 [ 554.034860] ? insert_work+0x4f0/0x4f0 [ 554.038786] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 554.043568] ? __cancel_work_timer+0x25c/0x830 [ 554.048182] ? flush_workqueue_prep_pwqs+0x7f0/0x7f0 [ 554.053313] ? try_to_grab_pending+0x1c/0x9c0 [ 554.057841] __cancel_work_timer+0x4c2/0x830 [ 554.062275] ? mod_delayed_work_on+0x260/0x260 [ 554.066893] ? _raw_spin_unlock_irq+0x27/0x70 [ 554.071412] ? __flush_work+0x5b3/0x9c0 [ 554.075416] ? insert_work+0x4f0/0x4f0 [ 554.079453] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 554.084672] ? lockdep_hardirqs_on+0x421/0x5c0 [ 554.089346] ? trace_hardirqs_on+0xbd/0x2c0 [ 554.093765] ? p9_fd_close+0x352/0x5c0 [ 554.097712] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 554.102876] ? kasan_check_write+0x14/0x20 [ 554.107146] ? do_raw_spin_lock+0xc1/0x200 [ 554.111415] cancel_work_sync+0x17/0x20 [ 554.115413] p9_fd_close+0x376/0x5c0 [ 554.119256] ? p9_fd_cancel+0x360/0x360 [ 554.123271] ? p9_fd_show_options+0x1c0/0x1c0 [ 554.127847] p9_client_create+0xa41/0x159b [ 554.132144] ? p9_client_read+0xbf0/0xbf0 [ 554.136381] ? __kmalloc_track_caller+0x26e/0x720 [ 554.141257] ? __lockdep_init_map+0x105/0x590 [ 554.145786] ? kasan_check_write+0x14/0x20 [ 554.150046] ? __init_rwsem+0x1cc/0x2a0 [ 554.154050] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 554.159129] ? rcu_read_lock_sched_held+0x108/0x120 [ 554.164205] ? __kmalloc_track_caller+0x590/0x720 [ 554.169090] ? save_stack+0xa9/0xd0 [ 554.172764] ? save_stack+0x43/0xd0 [ 554.176420] ? kasan_kmalloc+0xc4/0xe0 [ 554.180327] ? kmem_cache_alloc_trace+0x152/0x730 [ 554.185218] ? memcpy+0x45/0x50 [ 554.188529] v9fs_session_init+0x21a/0x1a80 [ 554.192881] ? find_held_lock+0x36/0x1c0 [ 554.197054] ? v9fs_show_options+0x7e0/0x7e0 [ 554.201582] ? kmem_cache_alloc_trace+0x275/0x730 [ 554.206458] ? kasan_check_read+0x11/0x20 [ 554.210637] ? rcu_is_watching+0x8c/0x150 [ 554.214811] ? trace_hardirqs_on+0xbd/0x2c0 [ 554.219164] ? rcu_pm_notify+0xc0/0xc0 [ 554.223081] ? v9fs_mount+0x61/0x900 [ 554.226845] ? rcu_read_lock_sched_held+0x108/0x120 [ 554.231892] ? kmem_cache_alloc_trace+0x324/0x730 [ 554.236768] v9fs_mount+0x7c/0x900 [ 554.240329] ? alloc_pages_current+0x114/0x210 [ 554.244961] mount_fs+0xae/0x328 [ 554.248365] vfs_kern_mount.part.35+0xdc/0x4f0 [ 554.252987] ? may_umount+0xb0/0xb0 [ 554.256641] ? _raw_read_unlock+0x22/0x30 [ 554.260823] ? __get_fs_type+0x97/0xc0 [ 554.264757] do_mount+0x581/0x30e0 [ 554.268347] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 554.273828] ? copy_mount_string+0x40/0x40 [ 554.278120] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 554.282905] ? retint_kernel+0x10/0x10 [ 554.286831] ? copy_mount_options+0x1a1/0x380 [ 554.291349] ? copy_mount_options+0x1d6/0x380 [ 554.295903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 554.301473] ? copy_mount_options+0x285/0x380 [ 554.306007] ksys_mount+0x12d/0x140 [ 554.309671] __x64_sys_mount+0xbe/0x150 [ 554.313690] do_syscall_64+0x1b9/0x820 [ 554.317614] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 554.323008] ? syscall_return_slowpath+0x5e0/0x5e0 [ 554.327968] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 554.333021] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 554.338066] ? recalc_sigpending_tsk+0x180/0x180 [ 554.342856] ? kasan_check_write+0x14/0x20 [ 554.347130] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 554.352006] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 554.357227] RIP: 0033:0x457099 [ 554.360464] Code: ff 48 89 f1 48 01 d9 48 39 f9 76 bb 48 01 df 48 01 de fd 48 89 d9 48 c1 e9 03 48 83 e3 07 48 83 ef 08 48 83 ee 08 f3 48 a5 fc <48> 83 c7 08 48 83 c6 08 48 29 df 48 29 de e9 13 ff ff ff 8a 06 8a [ 554.379398] RSP: 002b:00007fc85cf84c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 554.387139] RAX: ffffffffffffffda RBX: 00007fc85cf856d4 RCX: 0000000000457099 [ 554.394431] RDX: 0000000020000340 RSI: 0000000020000080 RDI: 0000000000000000 [ 554.401855] RBP: 0000000000930140 R08: 00000000200006c0 R09: 0000000000000000 [ 554.409151] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 554.416448] R13: 00000000004d2ec8 R14: 00000000004c7f7e R15: 0000000000000001 [ 554.423839] INFO: task syz-executor7:6763 blocked for more than 140 seconds. [ 554.431064] Not tainted 4.19.0-rc2+ #220 [ 554.435796] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 554.443800] syz-executor7 D24280 6763 4679 0x00000004 [ 554.449457] Call Trace: [ 554.452082] __schedule+0x87c/0x1df0 [ 554.455846] ? __sched_text_start+0x8/0x8 [ 554.460042] ? trace_hardirqs_off+0xb8/0x2b0 [ 554.464480] ? kasan_check_read+0x11/0x20 [ 554.468663] ? do_raw_spin_unlock+0xa7/0x2f0 [ 554.473122] ? trace_hardirqs_on+0x2c0/0x2c0 [ 554.477572] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 554.482181] ? rcu_read_lock+0x70/0x70 [ 554.486122] ? kthread_data+0x58/0xc0 [ 554.489957] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 554.495207] ? try_to_wake_up+0x10a/0x1250 [ 554.499463] ? graph_lock+0x170/0x170 [ 554.503292] schedule+0xfb/0x450 [ 554.506680] ? __schedule+0x1df0/0x1df0 [ 554.510691] ? find_held_lock+0x36/0x1c0 [ 554.514849] schedule_timeout+0x1cc/0x260 [ 554.519033] ? usleep_range+0x1a0/0x1a0 [ 554.523029] ? wait_for_completion+0x428/0x8d0 [ 554.527648] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 554.532773] ? kasan_check_write+0x14/0x20 [ 554.537032] ? do_raw_spin_lock+0xc1/0x200 [ 554.541292] wait_for_completion+0x430/0x8d0 [ 554.545737] ? wait_for_completion_interruptible+0x950/0x950 [ 554.551555] ? wake_up_q+0x100/0x100 [ 554.555293] ? lockdep_hardirqs_on+0x421/0x5c0 [ 554.559891] ? trace_hardirqs_on+0xbd/0x2c0 [ 554.564298] ? kasan_check_read+0x11/0x20 [ 554.568482] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 554.573616] ? kasan_check_write+0x14/0x20 [ 554.577872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 554.583439] __flush_work+0x59f/0x9c0 [ 554.587258] ? try_to_grab_pending+0x180/0x9c0 [ 554.591877] ? insert_work+0x4f0/0x4f0 [ 554.595789] ? find_held_lock+0x36/0x1c0 [ 554.599959] ? __cancel_work_timer+0x25c/0x830 [ 554.604573] ? flush_workqueue_prep_pwqs+0x7f0/0x7f0 [ 554.609719] ? lockdep_hardirqs_on+0x421/0x5c0 [ 554.614328] __cancel_work_timer+0x4c2/0x830 [ 554.618769] ? mod_delayed_work_on+0x260/0x260 [ 554.623372] ? _raw_spin_unlock_irq+0x27/0x70 [ 554.627894] ? __flush_work+0x5b3/0x9c0 [ 554.631891] ? insert_work+0x4f0/0x4f0 [ 554.635807] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 554.640927] ? lockdep_hardirqs_on+0x421/0x5c0 [ 554.645534] ? trace_hardirqs_on+0xbd/0x2c0 [ 554.649879] ? p9_fd_close+0x352/0x5c0 [ 554.653796] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 554.658921] ? kasan_check_write+0x14/0x20 [ 554.663187] ? do_raw_spin_lock+0xc1/0x200 [ 554.667448] cancel_work_sync+0x17/0x20 [ 554.671449] p9_fd_close+0x376/0x5c0 [ 554.675185] ? p9_fd_cancel+0x360/0x360 [ 554.679196] ? p9_fd_show_options+0x1c0/0x1c0 [ 554.683728] p9_client_create+0xa41/0x159b [ 554.687996] ? p9_client_read+0xbf0/0xbf0 [ 554.692172] ? __kmalloc_track_caller+0x26e/0x720 [ 554.697124] ? __lockdep_init_map+0x105/0x590 [ 554.701658] ? kasan_check_write+0x14/0x20 [ 554.705933] ? __init_rwsem+0x1cc/0x2a0 [ 554.709929] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 554.714988] ? rcu_read_lock_sched_held+0x108/0x120 [ 554.720040] ? __kmalloc_track_caller+0x590/0x720 [ 554.724916] ? save_stack+0xa9/0xd0 [ 554.728565] ? save_stack+0x43/0xd0 [ 554.732216] ? kasan_kmalloc+0xc4/0xe0 [ 554.736128] ? kmem_cache_alloc_trace+0x152/0x730 [ 554.740996] ? memcpy+0x45/0x50 [ 554.744339] v9fs_session_init+0x21a/0x1a80 [ 554.748707] ? find_held_lock+0x36/0x1c0 [ 554.752796] ? v9fs_show_options+0x7e0/0x7e0 [ 554.757227] ? kmem_cache_alloc_trace+0x275/0x730 [ 554.762098] ? kasan_check_read+0x11/0x20 [ 554.766345] ? rcu_is_watching+0x8c/0x150 [ 554.770528] ? trace_hardirqs_on+0xbd/0x2c0 [ 554.774870] ? rcu_pm_notify+0xc0/0xc0 [ 554.778785] ? v9fs_mount+0x61/0x900 [ 554.782518] ? rcu_read_lock_sched_held+0x108/0x120 [ 554.787577] ? kmem_cache_alloc_trace+0x324/0x730 [ 554.792450] v9fs_mount+0x7c/0x900 [ 554.796021] ? alloc_pages_current+0x114/0x210 [ 554.800628] mount_fs+0xae/0x328 [ 554.804028] vfs_kern_mount.part.35+0xdc/0x4f0 [ 554.808630] ? may_umount+0xb0/0xb0 [ 554.812280] ? _raw_read_unlock+0x22/0x30 [ 554.816571] ? __get_fs_type+0x97/0xc0 [ 554.820504] do_mount+0x581/0x30e0 [ 554.824069] ? kmem_cache_alloc_trace+0x275/0x730 [ 554.828944] ? copy_mount_string+0x40/0x40 [ 554.833203] ? copy_mount_options+0x5f/0x380 [ 554.837663] ? rcu_read_lock_sched_held+0x108/0x120 [ 554.842711] ? kmem_cache_alloc_trace+0x324/0x730 [ 554.847586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 554.853147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 554.858715] ? copy_mount_options+0x285/0x380 [ 554.863229] ksys_mount+0x12d/0x140 [ 554.866881] __x64_sys_mount+0xbe/0x150 [ 554.870876] do_syscall_64+0x1b9/0x820 [ 554.874787] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 554.880171] ? syscall_return_slowpath+0x5e0/0x5e0 [ 554.885220] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 554.890274] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 554.895318] ? recalc_sigpending_tsk+0x180/0x180 [ 554.900115] ? kasan_check_write+0x14/0x20 [ 554.904498] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 554.909487] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 554.914719] RIP: 0033:0x457099 [ 554.917931] Code: ff 48 89 f1 48 01 d9 48 39 f9 76 bb 48 01 df 48 01 de fd 48 89 d9 48 c1 e9 03 48 83 e3 07 48 83 ef 08 48 83 ee 08 f3 48 a5 fc <48> 83 c7 08 48 83 c6 08 48 29 df 48 29 de e9 13 ff ff ff 8a 06 8a [ 554.936982] RSP: 002b:00007f8f5c943c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 554.944914] RAX: ffffffffffffffda RBX: 00007f8f5c9446d4 RCX: 0000000000457099 [ 554.952208] RDX: 0000000020000340 RSI: 0000000020000080 RDI: 0000000000000000 [ 554.959976] RBP: 0000000000930140 R08: 00000000200006c0 R09: 0000000000000000 [ 554.967279] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 554.974570] R13: 00000000004d2ec8 R14: 00000000004c7f7e R15: 0000000000000001 [ 554.981877] INFO: task syz-executor1:6767 blocked for more than 140 seconds. [ 554.989080] Not tainted 4.19.0-rc2+ #220 [ 554.993685] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 555.001804] syz-executor1 D23728 6767 4680 0x00000004 [ 555.007486] Call Trace: [ 555.010131] __schedule+0x87c/0x1df0 [ 555.013874] ? __sched_text_start+0x8/0x8 [ 555.018049] ? _raw_spin_unlock_irq+0x56/0x70 [ 555.022562] ? kasan_check_write+0x14/0x20 [ 555.026822] ? finish_task_switch+0x2ca/0x870 [ 555.031335] ? __switch_to_asm+0x40/0x70 [ 555.035424] ? preempt_notifier_register+0x200/0x200 [ 555.040562] ? __switch_to_asm+0x34/0x70 [ 555.044659] ? __switch_to_asm+0x34/0x70 [ 555.048747] ? __switch_to_asm+0x34/0x70 [ 555.052954] ? __switch_to_asm+0x40/0x70 [ 555.057040] ? __switch_to_asm+0x34/0x70 [ 555.061137] ? __switch_to_asm+0x40/0x70 [ 555.065222] ? __switch_to_asm+0x34/0x70 [ 555.069310] ? __switch_to_asm+0x34/0x70 [ 555.073390] ? graph_lock+0x170/0x170 [ 555.077213] ? __switch_to_asm+0x34/0x70 [ 555.081292] ? __switch_to_asm+0x40/0x70 [ 555.085382] schedule+0xfb/0x450 [ 555.088773] ? __schedule+0x1df0/0x1df0 [ 555.092775] ? find_held_lock+0x36/0x1c0 [ 555.096866] schedule_timeout+0x1cc/0x260 [ 555.101073] ? usleep_range+0x1a0/0x1a0 [ 555.105073] ? wait_for_completion+0x428/0x8d0 [ 555.109689] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 555.115034] ? kasan_check_write+0x14/0x20 [ 555.119309] ? do_raw_spin_lock+0xc1/0x200 [ 555.123583] wait_for_completion+0x430/0x8d0 [ 555.128038] ? wait_for_completion_interruptible+0x950/0x950 [ 555.133866] ? wake_up_q+0x100/0x100 [ 555.137607] ? lockdep_hardirqs_on+0x421/0x5c0 [ 555.142209] ? trace_hardirqs_on+0xbd/0x2c0 [ 555.146552] ? kasan_check_read+0x11/0x20 [ 555.150721] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 555.155848] ? kasan_check_write+0x14/0x20 [ 555.160118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 555.165709] __flush_work+0x59f/0x9c0 [ 555.169616] ? try_to_grab_pending+0x180/0x9c0 [ 555.174235] ? insert_work+0x4f0/0x4f0 [ 555.178418] ? find_held_lock+0x36/0x1c0 [ 555.182506] ? __cancel_work_timer+0x25c/0x830 [ 555.187120] ? flush_workqueue_prep_pwqs+0x7f0/0x7f0 [ 555.192268] ? lockdep_hardirqs_on+0x421/0x5c0 [ 555.196881] __cancel_work_timer+0x4c2/0x830 [ 555.201317] ? mod_delayed_work_on+0x260/0x260 [ 555.205921] ? _raw_spin_unlock_irq+0x27/0x70 [ 555.210844] ? __flush_work+0x5b3/0x9c0 [ 555.214855] ? insert_work+0x4f0/0x4f0 [ 555.218777] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 555.223903] ? lockdep_hardirqs_on+0x421/0x5c0 [ 555.228511] ? trace_hardirqs_on+0xbd/0x2c0 [ 555.232851] ? p9_fd_close+0x352/0x5c0 [ 555.236763] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 555.241901] ? kasan_check_write+0x14/0x20 [ 555.246169] ? do_raw_spin_lock+0xc1/0x200 [ 555.250434] cancel_work_sync+0x17/0x20 [ 555.254436] p9_fd_close+0x376/0x5c0 [ 555.258171] ? p9_fd_cancel+0x360/0x360 [ 555.262174] ? p9_fd_show_options+0x1c0/0x1c0 [ 555.266706] p9_client_create+0xa41/0x159b [ 555.270991] ? p9_client_read+0xbf0/0xbf0 [ 555.275173] ? __kmalloc_track_caller+0x26e/0x720 [ 555.280055] ? __lockdep_init_map+0x105/0x590 [ 555.284576] ? kasan_check_write+0x14/0x20 [ 555.288838] ? __init_rwsem+0x1cc/0x2a0 [ 555.292847] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 555.297899] ? rcu_read_lock_sched_held+0x108/0x120 [ 555.302938] ? __kmalloc_track_caller+0x590/0x720 [ 555.307804] ? save_stack+0xa9/0xd0 [ 555.311447] ? save_stack+0x43/0xd0 [ 555.315114] ? kasan_kmalloc+0xc4/0xe0 [ 555.319024] ? kmem_cache_alloc_trace+0x152/0x730 [ 555.323890] ? memcpy+0x45/0x50 [ 555.327191] v9fs_session_init+0x21a/0x1a80 [ 555.331541] ? find_held_lock+0x36/0x1c0 [ 555.335627] ? v9fs_show_options+0x7e0/0x7e0 [ 555.340148] ? kmem_cache_alloc_trace+0x275/0x730 [ 555.345014] ? kasan_check_read+0x11/0x20 [ 555.349188] ? rcu_is_watching+0x8c/0x150 [ 555.353352] ? trace_hardirqs_on+0xbd/0x2c0 [ 555.357788] ? rcu_pm_notify+0xc0/0xc0 [ 555.361721] ? v9fs_mount+0x61/0x900 [ 555.365458] ? rcu_read_lock_sched_held+0x108/0x120 [ 555.370489] ? kmem_cache_alloc_trace+0x324/0x730 [ 555.375363] v9fs_mount+0x7c/0x900 [ 555.378928] ? alloc_pages_current+0x114/0x210 [ 555.383540] mount_fs+0xae/0x328 [ 555.386932] vfs_kern_mount.part.35+0xdc/0x4f0 [ 555.391537] ? may_umount+0xb0/0xb0 [ 555.395182] ? _raw_read_unlock+0x22/0x30 [ 555.399376] ? __get_fs_type+0x97/0xc0 [ 555.403290] do_mount+0x581/0x30e0 [ 555.406856] ? kmem_cache_alloc_trace+0x275/0x730 [ 555.411725] ? copy_mount_string+0x40/0x40 [ 555.415995] ? copy_mount_options+0x5f/0x380 [ 555.420429] ? rcu_read_lock_sched_held+0x108/0x120 [ 555.425484] ? kmem_cache_alloc_trace+0x324/0x730 [ 555.430447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 555.436033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 555.441607] ? copy_mount_options+0x285/0x380 [ 555.446153] ksys_mount+0x12d/0x140 [ 555.449827] __x64_sys_mount+0xbe/0x150 [ 555.453851] do_syscall_64+0x1b9/0x820 [ 555.457768] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 555.463161] ? syscall_return_slowpath+0x5e0/0x5e0 [ 555.468125] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 555.473166] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 555.478211] ? recalc_sigpending_tsk+0x180/0x180 [ 555.482993] ? kasan_check_write+0x14/0x20 [ 555.487248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 555.492127] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 555.497391] RIP: 0033:0x457099 [ 555.500644] Code: ff 48 89 f1 48 01 d9 48 39 f9 76 bb 48 01 df 48 01 de fd 48 89 d9 48 c1 e9 03 48 83 e3 07 48 83 ef 08 48 83 ee 08 f3 48 a5 fc <48> 83 c7 08 48 83 c6 08 48 29 df 48 29 de e9 13 ff ff ff 8a 06 8a [ 555.519563] RSP: 002b:00007effeff81c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 555.527328] RAX: ffffffffffffffda RBX: 00007effeff826d4 RCX: 0000000000457099 [ 555.534617] RDX: 0000000020000340 RSI: 0000000020000080 RDI: 0000000000000000 [ 555.541910] RBP: 0000000000930140 R08: 00000000200006c0 R09: 0000000000000000 [ 555.549215] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 555.556512] R13: 00000000004d2ec8 R14: 00000000004c7f7e R15: 0000000000000001 [ 555.563819] INFO: task syz-executor0:6778 blocked for more than 140 seconds. [ 555.571024] Not tainted 4.19.0-rc2+ #220 [ 555.575617] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 555.583601] syz-executor0 D24208 6778 4672 0x00000004 [ 555.589248] Call Trace: [ 555.591866] __schedule+0x87c/0x1df0 [ 555.595600] ? __sched_text_start+0x8/0x8 [ 555.599779] ? kasan_check_write+0x14/0x20 [ 555.604031] ? finish_task_switch+0x2ca/0x870 [ 555.608568] ? __switch_to_asm+0x40/0x70 [ 555.612662] ? preempt_notifier_register+0x200/0x200 [ 555.617791] ? __switch_to_asm+0x34/0x70 [ 555.621880] ? __switch_to_asm+0x34/0x70 [ 555.625967] ? __switch_to_asm+0x34/0x70 [ 555.630044] ? __switch_to_asm+0x40/0x70 [ 555.634128] ? __switch_to_asm+0x34/0x70 [ 555.638207] ? __switch_to_asm+0x40/0x70 [ 555.642413] ? __switch_to_asm+0x34/0x70 [ 555.646512] ? __switch_to_asm+0x34/0x70 [ 555.650609] ? graph_lock+0x170/0x170 [ 555.654435] ? __switch_to_asm+0x34/0x70 [ 555.658522] ? __switch_to_asm+0x40/0x70 [ 555.662608] schedule+0xfb/0x450 [ 555.666029] ? __schedule+0x1df0/0x1df0 [ 555.670035] ? find_held_lock+0x36/0x1c0 [ 555.674168] schedule_timeout+0x1cc/0x260 [ 555.678394] ? usleep_range+0x1a0/0x1a0 [ 555.682437] ? wait_for_completion+0x428/0x8d0 [ 555.687043] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 555.692269] ? kasan_check_write+0x14/0x20 [ 555.696654] ? do_raw_spin_lock+0xc1/0x200 [ 555.700924] wait_for_completion+0x430/0x8d0 [ 555.705353] ? wait_for_completion_interruptible+0x950/0x950 [ 555.711177] ? wake_up_q+0x100/0x100 [ 555.714910] ? lockdep_hardirqs_on+0x421/0x5c0 [ 555.719514] ? trace_hardirqs_on+0xbd/0x2c0 [ 555.723863] ? kasan_check_read+0x11/0x20 [ 555.728032] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 555.733151] ? kasan_check_write+0x14/0x20 [ 555.737411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 555.742971] __flush_work+0x59f/0x9c0 [ 555.746795] ? try_to_grab_pending+0x180/0x9c0 [ 555.751397] ? insert_work+0x4f0/0x4f0 [ 555.755307] ? find_held_lock+0x36/0x1c0 [ 555.759388] ? __cancel_work_timer+0x25c/0x830 [ 555.764053] ? flush_workqueue_prep_pwqs+0x7f0/0x7f0 [ 555.769214] ? lockdep_hardirqs_on+0x421/0x5c0 [ 555.773842] __cancel_work_timer+0x4c2/0x830 [ 555.778274] ? mod_delayed_work_on+0x260/0x260 [ 555.782884] ? _raw_spin_unlock_irq+0x27/0x70 [ 555.787396] ? __flush_work+0x5b3/0x9c0 [ 555.791396] ? insert_work+0x4f0/0x4f0 [ 555.795320] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 555.800456] ? lockdep_hardirqs_on+0x421/0x5c0 [ 555.805063] ? trace_hardirqs_on+0xbd/0x2c0 [ 555.809687] ? p9_fd_close+0x352/0x5c0 [ 555.813597] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 555.818732] ? kasan_check_write+0x14/0x20 [ 555.822982] ? do_raw_spin_lock+0xc1/0x200 [ 555.827241] cancel_work_sync+0x17/0x20 [ 555.831343] p9_fd_close+0x376/0x5c0 [ 555.835113] ? p9_fd_cancel+0x360/0x360 [ 555.839117] ? p9_fd_show_options+0x1c0/0x1c0 [ 555.843646] p9_client_create+0xa41/0x159b [ 555.847908] ? p9_client_read+0xbf0/0xbf0 [ 555.852095] ? __kmalloc_track_caller+0x26e/0x720 [ 555.856974] ? __lockdep_init_map+0x105/0x590 [ 555.861513] ? kasan_check_write+0x14/0x20 [ 555.865774] ? __init_rwsem+0x1cc/0x2a0 [ 555.869777] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 555.874816] ? rcu_read_lock_sched_held+0x108/0x120 [ 555.879856] ? __kmalloc_track_caller+0x590/0x720 [ 555.884720] ? save_stack+0xa9/0xd0 [ 555.888371] ? save_stack+0x43/0xd0 [ 555.892018] ? kasan_kmalloc+0xc4/0xe0 [ 555.895928] ? kmem_cache_alloc_trace+0x152/0x730 [ 555.900799] ? memcpy+0x45/0x50 [ 555.904122] v9fs_session_init+0x21a/0x1a80 [ 555.908462] ? find_held_lock+0x36/0x1c0 [ 555.912574] ? v9fs_show_options+0x7e0/0x7e0 [ 555.917011] ? kmem_cache_alloc_trace+0x275/0x730 [ 555.921884] ? kasan_check_read+0x11/0x20 [ 555.926206] ? rcu_is_watching+0x8c/0x150 [ 555.930395] ? trace_hardirqs_on+0xbd/0x2c0 [ 555.934741] ? rcu_pm_notify+0xc0/0xc0 [ 555.938688] ? v9fs_mount+0x61/0x900 [ 555.942430] ? rcu_read_lock_sched_held+0x108/0x120 [ 555.947809] ? kmem_cache_alloc_trace+0x324/0x730 [ 555.952681] v9fs_mount+0x7c/0x900 [ 555.956273] ? alloc_pages_current+0x114/0x210 [ 555.960887] mount_fs+0xae/0x328 [ 555.964286] vfs_kern_mount.part.35+0xdc/0x4f0 [ 555.968888] ? may_umount+0xb0/0xb0 [ 555.972541] ? _raw_read_unlock+0x22/0x30 [ 555.976719] ? __get_fs_type+0x97/0xc0 [ 555.980633] do_mount+0x581/0x30e0 [ 555.984195] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 555.989685] ? copy_mount_string+0x40/0x40 [ 555.993969] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 555.998773] ? retint_kernel+0x10/0x10 [ 556.002717] ? copy_mount_options+0x1e3/0x380 [ 556.007239] ? copy_mount_options+0x1f0/0x380 [ 556.011760] ? copy_mount_options+0x202/0x380 [ 556.016283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 556.021840] ? copy_mount_options+0x285/0x380 [ 556.026360] ksys_mount+0x12d/0x140 [ 556.030008] __x64_sys_mount+0xbe/0x150 [ 556.034015] do_syscall_64+0x1b9/0x820 [ 556.037928] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 556.043316] ? syscall_return_slowpath+0x5e0/0x5e0 [ 556.048281] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 556.053349] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 556.058392] ? recalc_sigpending_tsk+0x180/0x180 [ 556.063179] ? kasan_check_write+0x14/0x20 [ 556.067434] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 556.072308] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 556.077522] RIP: 0033:0x457099 [ 556.080856] Code: ff 48 89 f1 48 01 d9 48 39 f9 76 bb 48 01 df 48 01 de fd 48 89 d9 48 c1 e9 03 48 83 e3 07 48 83 ef 08 48 83 ee 08 f3 48 a5 fc <48> 83 c7 08 48 83 c6 08 48 29 df 48 29 de e9 13 ff ff ff 8a 06 8a [ 556.099793] RSP: 002b:00007f0f1a501c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 556.107537] RAX: ffffffffffffffda RBX: 00007f0f1a5026d4 RCX: 0000000000457099 [ 556.114828] RDX: 0000000020000340 RSI: 0000000020000080 RDI: 0000000000000000 [ 556.122206] RBP: 0000000000930140 R08: 00000000200006c0 R09: 0000000000000000 [ 556.129503] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 556.136800] R13: 00000000004d2ec8 R14: 00000000004c7f7e R15: 0000000000000001 [ 556.144132] INFO: task syz-executor5:6786 blocked for more than 140 seconds. [ 556.151334] Not tainted 4.19.0-rc2+ #220 [ 556.155936] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 556.163920] syz-executor5 D23728 6786 4676 0x00000004 [ 556.169725] Call Trace: [ 556.172341] __schedule+0x87c/0x1df0 [ 556.176090] ? __sched_text_start+0x8/0x8 [ 556.180279] ? trace_hardirqs_off+0xb8/0x2b0 [ 556.184714] ? kasan_check_read+0x11/0x20 [ 556.188882] ? do_raw_spin_unlock+0xa7/0x2f0 [ 556.193432] ? trace_hardirqs_on+0x2c0/0x2c0 [ 556.197865] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 556.202476] ? rcu_read_lock+0x70/0x70 [ 556.206381] ? kthread_data+0x58/0xc0 [ 556.210212] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 556.215334] ? try_to_wake_up+0x10a/0x1250 [ 556.219592] ? graph_lock+0x170/0x170 [ 556.223417] schedule+0xfb/0x450 [ 556.226809] ? __schedule+0x1df0/0x1df0 [ 556.230802] ? find_held_lock+0x36/0x1c0 [ 556.234897] schedule_timeout+0x1cc/0x260 [ 556.239063] ? usleep_range+0x1a0/0x1a0 [ 556.243067] ? wait_for_completion+0x428/0x8d0 [ 556.247671] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 556.252808] ? kasan_check_write+0x14/0x20 [ 556.257060] ? do_raw_spin_lock+0xc1/0x200 [ 556.261326] wait_for_completion+0x430/0x8d0 [ 556.265779] ? wait_for_completion_interruptible+0x950/0x950 [ 556.271612] ? wake_up_q+0x100/0x100 [ 556.275347] ? lockdep_hardirqs_on+0x421/0x5c0 [ 556.279955] ? trace_hardirqs_on+0xbd/0x2c0 [ 556.284293] ? kasan_check_read+0x11/0x20 [ 556.288467] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 556.293589] ? kasan_check_write+0x14/0x20 [ 556.297852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 556.303408] __flush_work+0x59f/0x9c0 [ 556.307328] ? try_to_grab_pending+0x180/0x9c0 [ 556.311943] ? insert_work+0x4f0/0x4f0 [ 556.315863] ? find_held_lock+0x36/0x1c0 [ 556.320062] ? __cancel_work_timer+0x25c/0x830 [ 556.324683] ? flush_workqueue_prep_pwqs+0x7f0/0x7f0 [ 556.329824] ? lockdep_hardirqs_on+0x421/0x5c0 [ 556.334450] __cancel_work_timer+0x4c2/0x830 [ 556.338976] ? mod_delayed_work_on+0x260/0x260 [ 556.343597] ? _raw_spin_unlock_irq+0x27/0x70 [ 556.348123] ? __flush_work+0x5b3/0x9c0 [ 556.352132] ? insert_work+0x4f0/0x4f0 [ 556.356048] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 556.361201] ? lockdep_hardirqs_on+0x421/0x5c0 [ 556.365809] ? trace_hardirqs_on+0xbd/0x2c0 [ 556.370186] ? p9_fd_close+0x352/0x5c0 [ 556.374126] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 556.379265] ? kasan_check_write+0x14/0x20 [ 556.383537] ? do_raw_spin_lock+0xc1/0x200 [ 556.387810] cancel_work_sync+0x17/0x20 [ 556.391807] p9_fd_close+0x376/0x5c0 [ 556.395606] ? p9_fd_cancel+0x360/0x360 [ 556.399727] ? p9_fd_show_options+0x1c0/0x1c0 [ 556.404271] p9_client_create+0xa41/0x159b [ 556.408535] ? p9_client_read+0xbf0/0xbf0 [ 556.412721] ? __kmalloc_track_caller+0x26e/0x720 [ 556.417646] ? __lockdep_init_map+0x105/0x590 [ 556.422191] ? kasan_check_write+0x14/0x20 [ 556.426518] ? __init_rwsem+0x1cc/0x2a0 [ 556.430525] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 556.435563] ? rcu_read_lock_sched_held+0x108/0x120 [ 556.440607] ? __kmalloc_track_caller+0x590/0x720 [ 556.445553] ? save_stack+0xa9/0xd0 [ 556.449204] ? save_stack+0x43/0xd0 [ 556.452847] ? kasan_kmalloc+0xc4/0xe0 [ 556.456757] ? kmem_cache_alloc_trace+0x152/0x730 [ 556.461619] ? memcpy+0x45/0x50 [ 556.464928] v9fs_session_init+0x21a/0x1a80 [ 556.469285] ? find_held_lock+0x36/0x1c0 [ 556.473382] ? v9fs_show_options+0x7e0/0x7e0 [ 556.477811] ? kmem_cache_alloc_trace+0x275/0x730 [ 556.482677] ? kasan_check_read+0x11/0x20 [ 556.486909] ? rcu_is_watching+0x8c/0x150 [ 556.491111] ? trace_hardirqs_on+0xbd/0x2c0 [ 556.495562] ? rcu_pm_notify+0xc0/0xc0 [ 556.499541] ? v9fs_mount+0x61/0x900 [ 556.503286] ? rcu_read_lock_sched_held+0x108/0x120 [ 556.508332] ? kmem_cache_alloc_trace+0x324/0x730 [ 556.513197] v9fs_mount+0x7c/0x900 [ 556.516765] ? alloc_pages_current+0x114/0x210 [ 556.521384] mount_fs+0xae/0x328 [ 556.524787] vfs_kern_mount.part.35+0xdc/0x4f0 [ 556.529406] ? may_umount+0xb0/0xb0 [ 556.533078] ? _raw_read_unlock+0x22/0x30 [ 556.537260] ? __get_fs_type+0x97/0xc0 [ 556.541181] do_mount+0x581/0x30e0 [ 556.544764] ? kmem_cache_alloc_trace+0x275/0x730 [ 556.549643] ? copy_mount_string+0x40/0x40 [ 556.553921] ? copy_mount_options+0x5f/0x380 [ 556.558366] ? rcu_read_lock_sched_held+0x108/0x120 [ 556.563458] ? kmem_cache_alloc_trace+0x324/0x730 [ 556.568457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 556.574022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 556.579585] ? copy_mount_options+0x285/0x380 [ 556.584116] ksys_mount+0x12d/0x140 [ 556.587774] __x64_sys_mount+0xbe/0x150 [ 556.591774] do_syscall_64+0x1b9/0x820 [ 556.595689] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 556.601082] ? syscall_return_slowpath+0x5e0/0x5e0 [ 556.606055] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 556.611116] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 556.616159] ? recalc_sigpending_tsk+0x180/0x180 [ 556.620942] ? kasan_check_write+0x14/0x20 [ 556.625206] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 556.630093] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 556.635347] RIP: 0033:0x457099 [ 556.638586] Code: ff 48 89 f1 48 01 d9 48 39 f9 76 bb 48 01 df 48 01 de fd 48 89 d9 48 c1 e9 03 48 83 e3 07 48 83 ef 08 48 83 ee 08 f3 48 a5 fc <48> 83 c7 08 48 83 c6 08 48 29 df 48 29 de e9 13 ff ff ff 8a 06 8a [ 556.657520] RSP: 002b:00007f5ce1e47c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 556.665260] RAX: ffffffffffffffda RBX: 00007f5ce1e486d4 RCX: 0000000000457099 [ 556.672548] RDX: 0000000020000340 RSI: 0000000020000080 RDI: 0000000000000000 [ 556.680036] RBP: 0000000000930140 R08: 00000000200006c0 R09: 0000000000000000 [ 556.687337] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 556.694639] R13: 00000000004d2ec8 R14: 00000000004c7f7e R15: 0000000000000001 [ 556.701941] INFO: task syz-executor3:6796 blocked for more than 140 seconds. [ 556.709158] Not tainted 4.19.0-rc2+ #220 [ 556.713768] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 556.721776] syz-executor3 D24208 6796 4669 0x00000004 [ 556.727434] Call Trace: [ 556.730090] __schedule+0x87c/0x1df0 [ 556.733882] ? __sched_text_start+0x8/0x8 [ 556.738080] ? kasan_check_write+0x14/0x20 [ 556.742360] ? finish_task_switch+0x2ca/0x870 [ 556.746909] ? __switch_to_asm+0x40/0x70 [ 556.751015] ? preempt_notifier_register+0x200/0x200 [ 556.756160] ? __switch_to_asm+0x34/0x70 [ 556.760258] ? __switch_to_asm+0x34/0x70 [ 556.764361] ? __switch_to_asm+0x34/0x70 [ 556.768466] ? __switch_to_asm+0x40/0x70 [ 556.772563] ? __switch_to_asm+0x34/0x70 [ 556.776658] ? __switch_to_asm+0x40/0x70 [ 556.780764] ? __switch_to_asm+0x34/0x70 [ 556.784863] ? __switch_to_asm+0x34/0x70 [ 556.788967] ? graph_lock+0x170/0x170 [ 556.792805] ? __switch_to_asm+0x34/0x70 [ 556.796912] ? __switch_to_asm+0x40/0x70 [ 556.801016] schedule+0xfb/0x450 [ 556.804422] ? __schedule+0x1df0/0x1df0 [ 556.808447] ? find_held_lock+0x36/0x1c0 [ 556.812566] schedule_timeout+0x1cc/0x260 [ 556.816765] ? usleep_range+0x1a0/0x1a0 [ 556.820782] ? wait_for_completion+0x428/0x8d0 [ 556.825710] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 556.830857] ? kasan_check_write+0x14/0x20 [ 556.835129] ? do_raw_spin_lock+0xc1/0x200 [ 556.839410] wait_for_completion+0x430/0x8d0 [ 556.843864] ? wait_for_completion_interruptible+0x950/0x950 [ 556.849710] ? wake_up_q+0x100/0x100 [ 556.853471] ? lockdep_hardirqs_on+0x421/0x5c0 [ 556.858094] ? trace_hardirqs_on+0xbd/0x2c0 [ 556.862482] ? kasan_check_read+0x11/0x20 [ 556.866672] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 556.871841] ? kasan_check_write+0x14/0x20 [ 556.876139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 556.881735] __flush_work+0x59f/0x9c0 [ 556.885577] ? try_to_grab_pending+0x180/0x9c0 [ 556.890205] ? insert_work+0x4f0/0x4f0 [ 556.894162] ? find_held_lock+0x36/0x1c0 [ 556.898272] ? __cancel_work_timer+0x25c/0x830 [ 556.902899] ? flush_workqueue_prep_pwqs+0x7f0/0x7f0 [ 556.908053] ? lockdep_hardirqs_on+0x421/0x5c0 [ 556.912711] __cancel_work_timer+0x4c2/0x830 [ 556.917166] ? mod_delayed_work_on+0x260/0x260 [ 556.921792] ? _raw_spin_unlock_irq+0x27/0x70 [ 556.926348] ? __flush_work+0x5b3/0x9c0 [ 556.930380] ? insert_work+0x4f0/0x4f0 [ 556.934315] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 556.939470] ? lockdep_hardirqs_on+0x421/0x5c0 [ 556.944097] ? trace_hardirqs_on+0xbd/0x2c0 [ 556.948498] ? p9_fd_close+0x352/0x5c0 [ 556.952426] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 556.957576] ? kasan_check_write+0x14/0x20 [ 556.961888] ? do_raw_spin_lock+0xc1/0x200 [ 556.966210] cancel_work_sync+0x17/0x20 [ 556.970250] p9_fd_close+0x376/0x5c0 [ 556.974008] ? p9_fd_cancel+0x360/0x360 [ 556.978035] ? p9_fd_show_options+0x1c0/0x1c0 [ 556.982582] p9_client_create+0xa41/0x159b [ 556.986866] ? p9_client_read+0xbf0/0xbf0 [ 556.991065] ? __kmalloc_track_caller+0x26e/0x720 [ 556.995957] ? __lockdep_init_map+0x105/0x590 [ 557.000503] ? kasan_check_write+0x14/0x20 [ 557.004779] ? __init_rwsem+0x1cc/0x2a0 [ 557.008797] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 557.013864] ? rcu_read_lock_sched_held+0x108/0x120 [ 557.018923] ? __kmalloc_track_caller+0x590/0x720 [ 557.023810] ? save_stack+0xa9/0xd0 [ 557.027482] ? save_stack+0x43/0xd0 [ 557.031147] ? kasan_kmalloc+0xc4/0xe0 [ 557.035075] ? kmem_cache_alloc_trace+0x152/0x730 [ 557.039961] ? memcpy+0x45/0x50 [ 557.043287] v9fs_session_init+0x21a/0x1a80 [ 557.047652] ? find_held_lock+0x36/0x1c0 [ 557.051769] ? v9fs_show_options+0x7e0/0x7e0 [ 557.056215] ? kmem_cache_alloc_trace+0x275/0x730 [ 557.061101] ? kasan_check_read+0x11/0x20 [ 557.065323] ? rcu_is_watching+0x8c/0x150 [ 557.069523] ? trace_hardirqs_on+0xbd/0x2c0 [ 557.073884] ? rcu_pm_notify+0xc0/0xc0 [ 557.077843] ? v9fs_mount+0x61/0x900 [ 557.081601] ? rcu_read_lock_sched_held+0x108/0x120 [ 557.086659] ? kmem_cache_alloc_trace+0x324/0x730 [ 557.091557] v9fs_mount+0x7c/0x900 [ 557.095153] ? alloc_pages_current+0x114/0x210 [ 557.099781] mount_fs+0xae/0x328 [ 557.103194] vfs_kern_mount.part.35+0xdc/0x4f0 [ 557.107820] ? may_umount+0xb0/0xb0 [ 557.111505] ? _raw_read_unlock+0x22/0x30 [ 557.115715] ? __get_fs_type+0x97/0xc0 [ 557.119648] do_mount+0x581/0x30e0 [ 557.123227] ? kmem_cache_alloc_trace+0x275/0x730 [ 557.128135] ? copy_mount_string+0x40/0x40 [ 557.132424] ? copy_mount_options+0x5f/0x380 [ 557.136878] ? rcu_read_lock_sched_held+0x108/0x120 [ 557.141933] ? kmem_cache_alloc_trace+0x324/0x730 [ 557.146825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 557.152411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 557.157990] ? copy_mount_options+0x285/0x380 [ 557.162527] ksys_mount+0x12d/0x140 [ 557.166194] __x64_sys_mount+0xbe/0x150 [ 557.170212] do_syscall_64+0x1b9/0x820 [ 557.174137] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 557.179552] ? syscall_return_slowpath+0x5e0/0x5e0 [ 557.184564] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 557.189633] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 557.194686] ? recalc_sigpending_tsk+0x180/0x180 [ 557.199495] ? kasan_check_write+0x14/0x20 [ 557.203776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 557.208692] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 557.213926] RIP: 0033:0x457099 [ 557.217158] Code: ff 48 89 f1 48 01 d9 48 39 f9 76 bb 48 01 df 48 01 de fd 48 89 d9 48 c1 e9 03 48 83 e3 07 48 83 ef 08 48 83 ee 08 f3 48 a5 fc <48> 83 c7 08 48 83 c6 08 48 29 df 48 29 de e9 13 ff ff ff 8a 06 8a [ 557.236149] RSP: 002b:00007fd9154a3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 557.243903] RAX: ffffffffffffffda RBX: 00007fd9154a46d4 RCX: 0000000000457099 [ 557.251219] RDX: 0000000020000340 RSI: 0000000020000080 RDI: 0000000000000000 [ 557.258524] RBP: 0000000000930140 R08: 00000000200006c0 R09: 0000000000000000 [ 557.265839] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 557.273144] R13: 00000000004d2ec8 R14: 00000000004c7f7e R15: 0000000000000001 [ 557.280476] [ 557.280476] Showing all locks held in the system: [ 557.286869] 1 lock held by khungtaskd/792: [ 557.291135] #0: 000000000e95ae68 (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x428 [ 557.299832] 2 locks held by kworker/1:2/2017: [ 557.304359] #0: 00000000833bda7a ((wq_completion)"events"){+.+.}, at: process_one_work+0xb44/0x1aa0 [ 557.313752] #1: 00000000e891bf2d ((work_completion)(&m->wq)){+.+.}, at: process_one_work+0xb9b/0x1aa0 [ 557.323340] 1 lock held by rsyslogd/4534: [ 557.327518] #0: 00000000a9629eb8 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 [ 557.335561] 2 locks held by getty/4624: [ 557.339560] #0: 00000000ea90a35c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 [ 557.347856] #1: 00000000bd156fd4 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 557.356845] 2 locks held by getty/4625: [ 557.360852] #0: 00000000169d0485 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 [ 557.369158] #1: 00000000c4539382 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 557.378063] 2 locks held by getty/4626: [ 557.382068] #0: 00000000a26a0a94 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 [ 557.390408] #1: 000000003ec956e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 557.399316] 2 locks held by getty/4627: [ 557.403316] #0: 00000000dcbe9c13 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 [ 557.411609] #1: 000000001afea02f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 557.420541] 2 locks held by getty/4628: [ 557.424543] #0: 00000000d4a69f40 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 [ 557.432842] #1: 00000000c3d9d403 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 557.441751] 2 locks held by getty/4629: [ 557.445754] #0: 00000000c03b8a61 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 [ 557.454046] #1: 00000000eb4a7587 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 557.463007] 2 locks held by getty/4630: [ 557.467019] #0: 000000001dace414 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 [ 557.475340] #1: 00000000ea0adf09 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 557.484273] 2 locks held by kworker/0:1/4958: [ 557.488798] #0: 00000000833bda7a ((wq_completion)"events"){+.+.}, at: process_one_work+0xb44/0x1aa0 [ 557.498148] #1: 000000008346206e ((work_completion)(&m->wq)){+.+.}, at: process_one_work+0xb9b/0x1aa0 [ 557.507684] 2 locks held by kworker/1:0/4973: [ 557.512225] #0: 00000000833bda7a ((wq_completion)"events"){+.+.}, at: process_one_work+0xb44/0x1aa0 [ 557.521583] #1: 0000000065680b0e ((work_completion)(&m->wq)){+.+.}, at: process_one_work+0xb9b/0x1aa0 [ 557.531136] 2 locks held by kworker/1:3/5135: [ 557.535656] #0: 00000000833bda7a ((wq_completion)"events"){+.+.}, at: process_one_work+0xb44/0x1aa0 [ 557.545011] #1: 00000000cf4ba585 ((work_completion)(&m->wq)){+.+.}, at: process_one_work+0xb9b/0x1aa0 [ 557.554575] 2 locks held by kworker/1:4/6784: [ 557.559124] #0: 00000000833bda7a ((wq_completion)"events"){+.+.}, at: process_one_work+0xb44/0x1aa0 [ 557.568488] #1: 000000008563b2dd ((work_completion)(&m->wq)){+.+.}, at: process_one_work+0xb9b/0x1aa0 [ 557.578019] 2 locks held by kworker/1:5/6792: [ 557.582540] #0: 00000000833bda7a ((wq_completion)"events"){+.+.}, at: process_one_work+0xb44/0x1aa0 [ 557.591883] #1: 000000002a8f7162 ((work_completion)(&m->wq)){+.+.}, at: process_one_work+0xb9b/0x1aa0 [ 557.601425] [ 557.603119] ============================================= [ 557.603119] [ 557.610167] NMI backtrace for cpu 1 [ 557.613829] CPU: 1 PID: 792 Comm: khungtaskd Not tainted 4.19.0-rc2+ #220 [ 557.620748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 557.630088] Call Trace: [ 557.632720] dump_stack+0x1c9/0x2b4 [ 557.636338] ? dump_stack_print_info.cold.2+0x52/0x52 [ 557.641513] ? vprintk_default+0x28/0x30 [ 557.645569] ? lapic_can_unplug_cpu.cold.29+0x3f/0x3f [ 557.650752] nmi_cpu_backtrace.cold.3+0x48/0x88 [ 557.655440] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 557.660119] ? lapic_can_unplug_cpu.cold.29+0x3f/0x3f [ 557.665295] nmi_trigger_cpumask_backtrace+0x151/0x192 [ 557.670563] arch_trigger_cpumask_backtrace+0x14/0x20 [ 557.675743] watchdog+0xb39/0x1040 [ 557.679274] ? reset_hung_task_detector+0xd0/0xd0 [ 557.684104] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 557.689188] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 557.694277] ? lockdep_hardirqs_on+0x421/0x5c0 [ 557.698843] ? trace_hardirqs_on+0xbd/0x2c0 [ 557.703150] ? kasan_check_read+0x11/0x20 [ 557.707298] ? __kthread_parkme+0xd7/0x1b0 [ 557.711537] ? kasan_check_write+0x14/0x20 [ 557.715762] ? do_raw_spin_lock+0xc1/0x200 [ 557.719986] ? __kthread_parkme+0x58/0x1b0 [ 557.724207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 557.729731] ? __kthread_parkme+0x106/0x1b0 [ 557.734039] kthread+0x35a/0x420 [ 557.737409] ? reset_hung_task_detector+0xd0/0xd0 [ 557.742235] ? kthread_bind+0x40/0x40 [ 557.746020] ret_from_fork+0x3a/0x50 [ 557.749806] Sending NMI from CPU 1 to CPUs 0: [ 557.754864] NMI backtrace for cpu 0 [ 557.754870] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.0-rc2+ #220 [ 557.754877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 557.754881] RIP: 0010:reschedule_interrupt+0x0/0x20 [ 557.754893] Code: 66 2e 0f 1f 84 00 00 00 00 00 68 03 ff ff ff e8 56 f2 ff ff e8 d1 27 00 00 e9 4b f3 ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 <68> 02 ff ff ff e8 36 f2 ff ff e8 d1 21 00 00 e9 2b f3 ff ff 66 90 [ 557.754898] RSP: 0018:ffffffff88007b88 EFLAGS: 00000082 [ 557.754906] RAX: dffffc0000000000 RBX: 1ffffffff1000f7b RCX: 0000000000000000 [ 557.754911] RDX: 1ffffffff10237c8 RSI: 0000000000000001 RDI: ffffffff8811be40 [ 557.754917] RBP: ffffffff88007bb8 R08: ffffffff88075e00 R09: 0000000000000000 [ 557.754922] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 557.754928] R13: ffffffff88007c78 R14: 0000000000000000 R15: 0000000000000000 [ 557.754933] FS: 0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 557.754938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 557.754944] CR2: 0000000000e5a000 CR3: 00000001bbe81000 CR4: 00000000001406f0 [ 557.754949] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 557.754954] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 557.754965] Call Trace: [ 557.754969] ? native_safe_halt+0x6/0x10 [ 557.754973] default_idle+0xc2/0x410 [ 557.754977] ? kasan_check_write+0x14/0x20 [ 557.754980] ? __sched_text_end+0x1/0x1 [ 557.754984] ? rcu_idle_enter+0x30a/0x480 [ 557.754988] ? rcu_eqs_special_set+0x1b0/0x1b0 [ 557.754992] ? tsc_verify_tsc_adjust+0x109/0x380 [ 557.754996] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 557.755000] ? mark_tsc_async_resets+0x20/0x20 [ 557.755004] ? trace_hardirqs_on+0x2c0/0x2c0 [ 557.755009] ? __tick_nohz_idle_restart_tick+0x28c/0x3c0 [ 557.755012] arch_cpu_idle+0x10/0x20 [ 557.755016] default_idle_call+0x6d/0x90 [ 557.755019] do_idle+0x3aa/0x580 [ 557.755023] ? retint_kernel+0x10/0x10 [ 557.755027] ? arch_cpu_idle_exit+0x70/0x70 [ 557.755030] cpu_startup_entry+0x10c/0x120 [ 557.755034] ? cpu_in_idle+0x20/0x20 [ 557.755037] rest_init+0xe1/0xe4 [ 557.755041] start_kernel+0x913/0x94e [ 557.755045] ? mem_encrypt_init+0xb/0xb [ 557.755049] ? early_idt_handler_common+0x3b/0x60 [ 557.755053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 557.755057] ? x86_family+0x3e/0x50 [ 557.755061] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 557.755066] x86_64_start_reservations+0x29/0x2b [ 557.755069] x86_64_start_kernel+0x76/0x79 [ 557.755073] secondary_startup_64+0xa4/0xb0 [ 557.755339] Kernel panic - not syncing: hung_task: blocked tasks [ 558.004401] CPU: 1 PID: 792 Comm: khungtaskd Not tainted 4.19.0-rc2+ #220 [ 558.011310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 558.020648] Call Trace: [ 558.023228] dump_stack+0x1c9/0x2b4 [ 558.026843] ? dump_stack_print_info.cold.2+0x52/0x52 [ 558.032025] ? printk_safe_log_store+0x2f0/0x2f0 [ 558.036769] panic+0x238/0x4e7 [ 558.039948] ? add_taint.cold.5+0x16/0x16 [ 558.044084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 558.049620] ? nmi_trigger_cpumask_backtrace+0x13a/0x192 [ 558.055055] ? printk_safe_flush+0xd7/0x130 [ 558.059366] watchdog+0xb4a/0x1040 [ 558.062898] ? reset_hung_task_detector+0xd0/0xd0 [ 558.067732] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 558.072845] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 558.077951] ? lockdep_hardirqs_on+0x421/0x5c0 [ 558.082525] ? trace_hardirqs_on+0xbd/0x2c0 [ 558.086833] ? kasan_check_read+0x11/0x20 [ 558.090969] ? __kthread_parkme+0xd7/0x1b0 [ 558.095191] ? kasan_check_write+0x14/0x20 [ 558.099410] ? do_raw_spin_lock+0xc1/0x200 [ 558.103630] ? __kthread_parkme+0x58/0x1b0 [ 558.107870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 558.113396] ? __kthread_parkme+0x106/0x1b0 [ 558.117713] kthread+0x35a/0x420 [ 558.121088] ? reset_hung_task_detector+0xd0/0xd0 [ 558.125926] ? kthread_bind+0x40/0x40 [ 558.129720] ret_from_fork+0x3a/0x50 [ 558.133929] Dumping ftrace buffer: [ 558.137498] (ftrace buffer empty) [ 558.141192] Kernel Offset: disabled [ 558.144804] Rebooting in 86400 seconds..