[ 24.799738] random: sshd: uninitialized urandom read (32 bytes read) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 25.764749] random: sshd: uninitialized urandom read (32 bytes read) [ 25.994841] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.477730] random: sshd: uninitialized urandom read (32 bytes read) [ 26.639611] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.46' (ECDSA) to the list of known hosts. [ 32.065047] random: sshd: uninitialized urandom read (32 bytes read) [ 32.173066] kauditd_printk_skb: 7 callbacks suppressed [ 32.173074] audit: type=1400 audit(1566404355.696:36): avc: denied { map } for pid=6598 comm="syz-executor824" path="/root/syz-executor824694820" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 32.420804] IPVS: ftp: loaded support on port[0] = 21 [ 33.276813] IPVS: ftp: loaded support on port[0] = 21 [ 33.315797] chnl_net:caif_netlink_parms(): no params data found [ 33.353098] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.359447] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.366290] device bridge_slave_0 entered promiscuous mode [ 33.373253] IPVS: ftp: loaded support on port[0] = 21 [ 33.381430] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.387773] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.394928] device bridge_slave_1 entered promiscuous mode [ 33.431499] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 33.447153] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 33.454811] chnl_net:caif_netlink_parms(): no params data found [ 33.489693] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.496789] team0: Port device team_slave_0 added [ 33.508617] IPVS: ftp: loaded support on port[0] = 21 [ 33.515949] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.523231] team0: Port device team_slave_1 added [ 33.533279] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.540557] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.546871] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.554132] device bridge_slave_0 entered promiscuous mode [ 33.561852] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.568250] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.575381] device bridge_slave_1 entered promiscuous mode [ 33.581574] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.661984] device hsr_slave_0 entered promiscuous mode [ 33.700494] device hsr_slave_1 entered promiscuous mode [ 33.740602] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 33.747940] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 33.757850] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 33.771890] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 33.809904] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.817870] team0: Port device team_slave_0 added [ 33.824681] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.832869] team0: Port device team_slave_1 added [ 33.839389] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.846697] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.857647] chnl_net:caif_netlink_parms(): no params data found [ 33.874379] IPVS: ftp: loaded support on port[0] = 21 [ 33.876750] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.885939] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.892697] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.899045] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.941851] device hsr_slave_0 entered promiscuous mode [ 33.990708] device hsr_slave_1 entered promiscuous mode [ 34.060565] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 34.067747] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 34.145299] chnl_net:caif_netlink_parms(): no params data found [ 34.157392] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.163730] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.170334] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.176657] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.188756] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.195260] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.202282] device bridge_slave_0 entered promiscuous mode [ 34.216705] IPVS: ftp: loaded support on port[0] = 21 [ 34.223006] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.229352] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.240118] device bridge_slave_1 entered promiscuous mode [ 34.254647] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.272581] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.289282] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 34.296489] team0: Port device team_slave_0 added [ 34.313217] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 34.320375] team0: Port device team_slave_1 added [ 34.325584] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 34.336448] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.343319] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.351981] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.358448] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.374468] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 34.388839] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.395258] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.402039] device bridge_slave_0 entered promiscuous mode [ 34.409556] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.415896] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.422887] device bridge_slave_1 entered promiscuous mode [ 34.436619] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.479872] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 34.512075] device hsr_slave_0 entered promiscuous mode [ 34.550214] device hsr_slave_1 entered promiscuous mode [ 34.592116] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 34.606347] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.615499] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 34.622164] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 34.631873] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 34.637911] 8021q: adding VLAN 0 to HW filter on device team0 [ 34.644302] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 34.651402] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 34.658802] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.672409] chnl_net:caif_netlink_parms(): no params data found [ 34.684778] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 34.707311] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 34.715377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 34.723215] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.729523] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.739125] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 34.749230] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 34.763593] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 34.770853] team0: Port device team_slave_0 added [ 34.778986] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 34.786248] team0: Port device team_slave_1 added [ 34.791670] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 34.799179] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 34.817331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 34.825018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.832680] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.838990] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.846114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 34.855221] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 34.886843] chnl_net:caif_netlink_parms(): no params data found [ 34.899093] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 34.924768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 34.972026] device hsr_slave_0 entered promiscuous mode [ 35.010389] device hsr_slave_1 entered promiscuous mode [ 35.051308] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 35.058428] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 35.068674] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 35.076519] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.083819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 35.093507] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.101105] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 35.107836] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.114333] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.121042] device bridge_slave_0 entered promiscuous mode [ 35.127245] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.134019] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.140705] device bridge_slave_1 entered promiscuous mode [ 35.147799] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 35.158347] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 35.176189] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 35.186252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 35.194463] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.203364] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 35.213920] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 35.220869] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 35.233279] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 35.245306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 35.253637] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.261790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.268857] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.277476] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 35.293364] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.299800] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.306882] device bridge_slave_0 entered promiscuous mode [ 35.313125] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.319427] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.326138] device bridge_slave_1 entered promiscuous mode [ 35.332822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 35.340150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.348211] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 35.354470] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.362414] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 35.370418] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 35.376385] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 35.385514] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 35.392605] team0: Port device team_slave_0 added [ 35.406878] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.415300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.422815] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.429216] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.436751] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 35.447727] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 35.455210] team0: Port device team_slave_1 added [ 35.463207] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 35.471579] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 35.479493] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.487857] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.495466] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.501965] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.514549] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.523040] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 35.529803] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 35.537102] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 35.553487] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 35.560846] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 35.572527] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 35.582539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 35.593443] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.600334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.607288] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 35.614407] team0: Port device team_slave_0 added [ 35.621523] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 35.627570] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.635039] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 35.672714] device hsr_slave_0 entered promiscuous mode [ 35.700324] device hsr_slave_1 entered promiscuous mode [ 35.741139] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 35.748990] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 35.758340] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 35.765796] team0: Port device team_slave_1 added [ 35.771206] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 35.779132] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.787226] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 35.794642] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 35.801647] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 35.808718] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 35.816303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 35.824056] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.831429] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 35.839318] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 35.847268] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 35.855176] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 35.865290] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 35.874150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 35.882007] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.889347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.897110] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.904701] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.911066] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.918246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.925311] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.932395] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.945177] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 35.956616] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 35.965038] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 35.971448] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.978111] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 35.988735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.996828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.004389] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.010740] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.017487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 36.025083] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.034081] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready executing program [ 36.095253] device hsr_slave_0 entered promiscuous mode [ 36.140404] device hsr_slave_1 entered promiscuous mode [ 36.190396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 36.198954] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 36.208688] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 36.216233] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 36.223294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 36.231407] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.239018] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.245372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.252459] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 36.260436] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 36.268438] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 36.276683] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 36.283875] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 36.301108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.308663] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.316373] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.322723] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.329435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 36.336805] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.345524] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 36.353760] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 36.367643] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.373894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 36.381539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 36.388961] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.396921] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.407710] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 36.417507] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.423835] ------------[ cut here ]------------ [ 36.423866] kernel BUG at ./include/linux/skbuff.h:1406! [ 36.423880] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 36.423882] Modules linked in: [ 36.423892] CPU: 1 PID: 6609 Comm: syz-executor824 Not tainted 4.14.139 #35 [ 36.423895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.423899] task: ffff888096658300 task.stack: ffff8880a9050000 [ 36.423911] RIP: 0010:tcp_fragment+0x12a7/0x13e0 [ 36.423914] RSP: 0018:ffff8880aef07c00 EFLAGS: 00010206 [ 36.423920] RAX: ffff888096658300 RBX: ffff8880a54b8d00 RCX: 1ffff11014e0ec49 [ 36.423924] RDX: 0000000000000100 RSI: ffff8880a54b8d00 RDI: ffff8880a54b8d08 [ 36.423928] RBP: ffff8880aef07c58 R08: 0000000001080020 R09: ffff8880a54b8d28 [ 36.423931] R10: ffff88821fff8050 R11: 0000000000000001 R12: 0000000000000000 [ 36.423935] R13: 0000000000006880 R14: ffff8880a7076250 R15: 0000000001080020 [ 36.423941] FS: 000000000212f880(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 36.423945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.423949] CR2: 00007f4ec7ad4e78 CR3: 0000000088d7b000 CR4: 00000000001406e0 [ 36.423956] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.423959] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.423961] Call Trace: [ 36.423964] [ 36.423975] tcp_write_wakeup+0x34c/0x5b0 [ 36.423984] tcp_send_probe0+0x4b/0x3fe [ 36.423992] tcp_write_timer_handler+0x6da/0x7e0 [ 36.423999] tcp_write_timer+0xd8/0x180 [ 36.424008] call_timer_fn+0x161/0x670 [ 36.424014] ? tcp_write_timer_handler+0x7e0/0x7e0 [ 36.424021] ? __next_timer_interrupt+0x140/0x140 [ 36.424030] ? trace_hardirqs_on_caller+0x19b/0x590 [ 36.424036] run_timer_softirq+0x5b4/0x1570 [ 36.424042] ? tcp_write_timer_handler+0x7e0/0x7e0 [ 36.424048] ? add_timer+0xae0/0xae0 [ 36.424053] ? __lock_is_held+0xb6/0x140 [ 36.424061] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 36.424070] __do_softirq+0x244/0x9a0 [ 36.424077] ? sched_clock+0x2e/0x50 [ 36.424088] irq_exit+0x160/0x1b0 [ 36.424095] smp_apic_timer_interrupt+0x146/0x5e0 [ 36.424102] apic_timer_interrupt+0x96/0xa0 [ 36.424104] [ 36.424110] RIP: 0010:console_unlock+0x9f8/0xed0 [ 36.424113] RSP: 0018:ffff8880a9056e80 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff10 [ 36.424120] RAX: ffff888096658300 RBX: 0000000000000200 RCX: 1ffff11012ccb179 [ 36.424124] RDX: 0000000000000000 RSI: ffff888096658ba8 RDI: 0000000000000297 [ 36.424127] RBP: ffff8880a9056f10 R08: ffff888096658300 R09: ffff888096658bc8 [ 36.424130] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 36.424133] R13: ffffffff83a6f210 R14: ffffffff87cea710 R15: dffffc0000000000 [ 36.424140] ? netconsole_netdev_event+0x250/0x250 [ 36.424148] vprintk_emit+0x1f9/0x600 [ 36.424152] vprintk_default+0x28/0x30 [ 36.424155] vprintk_func+0x5d/0x159 [ 36.424159] printk+0x9e/0xbc [ 36.424162] ? show_regs_print_info+0x63/0x63 [ 36.424166] ? __local_bh_enable_ip+0x99/0x1a0 [ 36.424170] ? trace_hardirqs_on_caller+0x400/0x590 [ 36.424175] ? addrconf_notify+0x1028/0x1b40 [ 36.424179] ? trace_hardirqs_on+0xd/0x10 [ 36.424183] addrconf_notify+0x1093/0x1b40 [ 36.424189] ? tun_device_event+0x74/0xf15 [ 36.424194] ? inet6_ifinfo_notify+0x140/0x140 [ 36.424198] ? cma_netdev_callback+0x88/0x340 [ 36.424202] ? ip6mr_device_event+0x17f/0x1f0 [ 36.424208] ? mirred_device_event+0x57/0x190 [ 36.424219] ? nfqnl_rcv_dev_event+0x23/0x440 [ 36.424224] notifier_call_chain+0x111/0x1b0 [ 36.424229] raw_notifier_call_chain+0x2e/0x40 [ 36.424234] call_netdevice_notifiers_info+0x56/0x70 [ 36.424239] __dev_notify_flags+0xea/0x240 [ 36.424243] ? dev_change_name+0x990/0x990 [ 36.424246] ? dev_set_allmulti+0x30/0x30 [ 36.424252] ? kfree+0x183/0x270 [ 36.424257] ? do_setlink+0x560/0x2d50 [ 36.424261] dev_change_flags+0xf7/0x140 [ 36.424265] do_setlink+0x929/0x2d50 [ 36.424268] ? trace_hardirqs_on+0x10/0x10 [ 36.424273] ? rtnl_register+0x50/0x50 [ 36.424277] ? trace_hardirqs_on+0x10/0x10 [ 36.424280] ? find_held_lock+0x35/0x130 [ 36.424284] ? save_trace+0x290/0x290 [ 36.424289] ? is_bpf_text_address+0x7f/0x120 [ 36.424293] ? __lock_acquire+0x5f7/0x4620 [ 36.424296] ? is_bpf_text_address+0x7f/0x120 [ 36.424301] ? __lock_acquire+0x5f7/0x4620 [ 36.424305] ? trace_hardirqs_on+0x10/0x10 [ 36.424311] ? validate_nla+0x201/0x5f0 [ 36.424316] ? full_name_hash+0x98/0xe0 [ 36.424321] rtnl_newlink+0x11a7/0x1700 [ 36.424327] ? rtnl_link_unregister+0x200/0x200 [ 36.424333] ? avc_has_perm_noaudit+0x2b2/0x420 [ 36.424340] ? lock_acquire+0x16f/0x430 [ 36.424343] ? rtnetlink_rcv_msg+0x33a/0xb70 [ 36.424355] ? rtnl_link_unregister+0x200/0x200 [ 36.424358] rtnetlink_rcv_msg+0x3eb/0xb70 [ 36.424363] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 36.424367] ? netlink_deliver_tap+0x93/0x8f0 [ 36.424371] netlink_rcv_skb+0x14f/0x3c0 [ 36.424375] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 36.424379] ? lock_downgrade+0x6e0/0x6e0 [ 36.424382] ? netlink_ack+0x9a0/0x9a0 [ 36.424386] ? netlink_deliver_tap+0xba/0x8f0 [ 36.424390] rtnetlink_rcv+0x1d/0x30 [ 36.424394] netlink_unicast+0x45d/0x640 [ 36.424398] ? netlink_attachskb+0x6a0/0x6a0 [ 36.424413] ? security_netlink_send+0x81/0xb0 [ 36.424417] netlink_sendmsg+0x7c4/0xc60 [ 36.424421] ? netlink_unicast+0x640/0x640 [ 36.424425] ? security_socket_sendmsg+0x89/0xb0 [ 36.424428] ? netlink_unicast+0x640/0x640 [ 36.424431] sock_sendmsg+0xce/0x110 [ 36.424435] SYSC_sendto+0x206/0x310 [ 36.424438] ? SYSC_connect+0x2d0/0x2d0 [ 36.424442] ? task_work_run+0xf0/0x190 [ 36.424445] ? find_held_lock+0x35/0x130 [ 36.424452] ? trace_hardirqs_on_caller+0x400/0x590 [ 36.424455] ? _raw_spin_unlock_irq+0x5e/0x90 [ 36.424458] ? task_work_run+0x155/0x190 [ 36.424462] SyS_sendto+0x40/0x50 [ 36.424465] ? SyS_getpeername+0x30/0x30 [ 36.424470] do_syscall_64+0x1e8/0x640 [ 36.424473] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.424478] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 36.424481] RIP: 0033:0x406c23 [ 36.424483] RSP: 002b:00007ffcc0831c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 36.424486] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000406c23 [ 36.424488] RDX: 0000000000000038 RSI: 00000000006ddd70 RDI: 0000000000000003 [ 36.424490] RBP: 0000000000000003 R08: 00007ffcc0831c30 R09: 000000000000000c [ 36.424492] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcc0831cc8 [ 36.424494] R13: 0000000000000000 R14: 00000000004b0138 R15: 0000000000000000 [ 36.424497] Code: 3c 02 00 0f 85 4f 01 00 00 48 8b 45 d0 ba 00 00 00 00 4c 8b b0 58 02 00 00 4c 3b 75 c0 4c 0f 44 f2 e9 e6 fc ff ff e8 49 72 35 fc <0f> 0b e8 a2 1f 5f fc e9 31 fa ff ff 48 89 df e8 f5 1e 5f fc e9 [ 36.424591] RIP: tcp_fragment+0x12a7/0x13e0 RSP: ffff8880aef07c00 [ 36.424598] ---[ end trace 46a6b2aba5f59458 ]--- [ 36.424600] Kernel panic - not syncing: Fatal exception in interrupt [ 36.425684] Kernel Offset: disabled [ 37.080457] Rebooting in 86400 seconds..