[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 33.566195] random: sshd: uninitialized urandom read (32 bytes read) [ 34.099037] kauditd_printk_skb: 10 callbacks suppressed [ 34.099045] audit: type=1400 audit(1576240663.936:35): avc: denied { map } for pid=6919 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 34.194128] random: sshd: uninitialized urandom read (32 bytes read) [ 34.834849] random: sshd: uninitialized urandom read (32 bytes read) [ 35.070883] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.13' (ECDSA) to the list of known hosts. [ 40.814106] random: sshd: uninitialized urandom read (32 bytes read) [ 40.996488] audit: type=1400 audit(1576240670.836:36): avc: denied { map } for pid=6932 comm="syz-execprog" path="/root/syz-execprog" 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 2019/12/13 12:37:50 parsed 1 programs [ 41.575394] random: cc1: uninitialized urandom read (8 bytes read) [ 42.580138] audit: type=1400 audit(1576240672.416:37): avc: denied { map } for pid=6932 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=15702 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/12/13 12:37:52 executed programs: 0 [ 42.625408] audit: type=1400 audit(1576240672.466:38): avc: denied { map } for pid=6932 comm="syz-execprog" path="/root/syzkaller-shm814481438" dev="sda1" ino=16485 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 42.931003] IPVS: ftp: loaded support on port[0] = 21 [ 43.766760] chnl_net:caif_netlink_parms(): no params data found [ 43.781518] IPVS: ftp: loaded support on port[0] = 21 [ 43.813020] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.819625] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.826860] device bridge_slave_0 entered promiscuous mode [ 43.835826] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.842274] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.849062] device bridge_slave_1 entered promiscuous mode [ 43.868316] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.878644] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.896685] IPVS: ftp: loaded support on port[0] = 21 [ 43.913903] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.921427] team0: Port device team_slave_0 added [ 43.928683] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.936231] team0: Port device team_slave_1 added [ 43.943436] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.952757] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.990158] chnl_net:caif_netlink_parms(): no params data found [ 44.041941] device hsr_slave_0 entered promiscuous mode [ 44.080365] device hsr_slave_1 entered promiscuous mode [ 44.135054] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.142629] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.166222] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.173013] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.179904] device bridge_slave_0 entered promiscuous mode [ 44.193511] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.200169] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.207025] device bridge_slave_1 entered promiscuous mode [ 44.233149] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.242485] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.251683] IPVS: ftp: loaded support on port[0] = 21 [ 44.259019] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.265725] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.272645] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.279024] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.329060] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.337534] team0: Port device team_slave_0 added [ 44.355011] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.362369] team0: Port device team_slave_1 added [ 44.369456] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.378916] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.407588] chnl_net:caif_netlink_parms(): no params data found [ 44.472911] device hsr_slave_0 entered promiscuous mode [ 44.520343] device hsr_slave_1 entered promiscuous mode [ 44.562634] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.578403] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.619039] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.626344] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.634701] device bridge_slave_0 entered promiscuous mode [ 44.641841] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.648183] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.655272] device bridge_slave_1 entered promiscuous mode [ 44.680531] IPVS: ftp: loaded support on port[0] = 21 [ 44.704841] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.713504] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.719851] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.726486] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.732866] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.765040] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 44.771593] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.781039] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.815429] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.832798] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.839762] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 44.847973] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.854722] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.862868] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.876113] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.893881] chnl_net:caif_netlink_parms(): no params data found [ 44.902106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.908986] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.919924] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.926302] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.932581] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.939622] team0: Port device team_slave_0 added [ 44.947470] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.955836] team0: Port device team_slave_1 added [ 44.964095] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.973971] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.994597] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.052142] device hsr_slave_0 entered promiscuous mode [ 45.101853] device hsr_slave_1 entered promiscuous mode [ 45.170845] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.178572] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.186727] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.193119] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.203633] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.223682] IPVS: ftp: loaded support on port[0] = 21 [ 45.230319] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.241348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.249421] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.257178] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.263543] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.279169] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.288132] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.314415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.322921] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.329295] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.336428] device bridge_slave_0 entered promiscuous mode [ 45.364832] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.371375] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.378199] device bridge_slave_1 entered promiscuous mode [ 45.411002] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.419935] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.428339] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.452235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.464697] chnl_net:caif_netlink_parms(): no params data found [ 45.480802] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.490515] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.498099] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.508462] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.516078] team0: Port device team_slave_0 added [ 45.523513] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 45.530930] team0: Port device team_slave_1 added [ 45.536529] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.544272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.557076] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.568598] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.575489] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 45.583419] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 45.590981] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.597796] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.605718] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.617177] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.642188] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.649649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.712427] device hsr_slave_0 entered promiscuous mode [ 45.772177] device hsr_slave_1 entered promiscuous mode [ 45.831144] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.838631] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.847949] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.854830] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.861406] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.868256] device bridge_slave_0 entered promiscuous mode [ 45.875620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.883294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.890676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.897405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.904460] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.915060] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.921690] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.931203] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.937268] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.945611] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.952277] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.959217] device bridge_slave_1 entered promiscuous mode [ 45.978442] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.993376] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 46.002793] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.022940] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.030156] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.038058] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.046076] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.053601] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.059915] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.108472] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 46.128750] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.137115] team0: Port device team_slave_0 added [ 46.146654] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.154505] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.161779] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.168647] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.176486] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.184104] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.190567] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.213498] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.234857] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.246977] team0: Port device team_slave_1 added [ 46.253220] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.265877] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.280704] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.287576] chnl_net:caif_netlink_parms(): no params data found [ 46.300992] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.324710] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.334346] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.347409] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.377197] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.388473] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.397247] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.442205] device hsr_slave_0 entered promiscuous mode [ 46.500311] device hsr_slave_1 entered promiscuous mode [ 46.540856] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 46.548137] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 46.560331] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.566706] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.576330] device bridge_slave_0 entered promiscuous mode [ 46.583385] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.590894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.597669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.607034] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.613477] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.620561] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.630947] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.637332] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.644631] device bridge_slave_1 entered promiscuous mode [ 46.653428] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.660657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.668156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.675095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.683271] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.691221] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.703450] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.718962] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.725372] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.735808] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.747268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.757320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.765062] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.771449] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.781509] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.795633] EXT4-fs (sda1): Unrecognized mount option "dont_measure" or missing value [ 46.804408] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.813853] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.825374] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.834411] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.847591] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.860562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.868345] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.875950] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.882309] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.892793] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.900854] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.908352] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.914731] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.934821] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.945106] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.953704] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.963956] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.972335] ================================================================== [ 46.976422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.979880] BUG: KASAN: use-after-free in ext4_xattr_set_entry+0x3149/0x3230 [ 46.989221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.993720] Read of size 4 at addr ffff88808db21183 by task syz-executor.3/6953 [ 46.993722] [ 46.993732] CPU: 1 PID: 6953 Comm: syz-executor.3 Not tainted 4.14.158-syzkaller #0 [ 46.993737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.993740] Call Trace: [ 46.993754] dump_stack+0x142/0x197 [ 46.993764] ? ext4_xattr_set_entry+0x3149/0x3230 [ 46.993775] print_address_description.cold+0x7c/0x1dc [ 47.001945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.008378] ? ext4_xattr_set_entry+0x3149/0x3230 [ 47.010457] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.017770] kasan_report.cold+0xa9/0x2af [ 47.027835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.029678] __asan_report_load4_noabort+0x14/0x20 [ 47.033651] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.038101] ext4_xattr_set_entry+0x3149/0x3230 [ 47.043935] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.050439] ? save_trace+0x290/0x290 [ 47.050461] ? ext4_xattr_inode_read+0x3d0/0x3d0 [ 47.055298] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.062278] ? __might_sleep+0x93/0xb0 [ 47.062291] ext4_xattr_ibody_set+0x7a/0x2a0 [ 47.062301] ext4_xattr_set_handle+0x4f5/0xda0 [ 47.062313] ? ext4_xattr_ibody_inline_set+0x2a0/0x2a0 [ 47.078726] ? security_load_policycaps+0x320/0x320 [ 47.086726] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.090658] ? _raw_read_unlock+0x2d/0x50 [ 47.090672] ? security_sid_to_context_force+0x2b/0x40 [ 47.090689] ext4_initxattrs+0xc0/0x130 [ 47.090702] security_inode_init_security+0x26d/0x360 [ 47.099056] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 47.100782] ? ext4_init_acl+0x1f0/0x1f0 [ 47.100794] ? security_kernel_post_read_file+0xd0/0xd0 [ 47.100803] ? posix_acl_create+0xf5/0x3a0 [ 47.100816] ? ext4_set_acl+0x400/0x400 [ 47.109166] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.112036] ? lock_downgrade+0x740/0x740 [ 47.112048] ext4_init_security+0x34/0x40 [ 47.112058] __ext4_new_inode+0x3385/0x4860 [ 47.112075] ? ext4_free_inode+0x1210/0x1210 [ 47.123896] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.124938] ? dquot_get_next_dqblk+0x160/0x160 [ 47.132623] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.135196] ext4_mkdir+0x331/0xc20 [ 47.143208] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.146861] ? ext4_init_dot_dotdot+0x4c0/0x4c0 [ 47.153124] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.156069] ? security_inode_mkdir+0xd0/0x110 [ 47.161674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.167886] vfs_mkdir+0x3ca/0x610 [ 47.172724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.177266] SyS_mkdir+0x1b7/0x200 [ 47.182200] kobject: 'veth0_to_team' (ffff8880998c49f0): kobject_add_internal: parent: 'net', set: 'devices' [ 47.185436] ? SyS_mkdirat+0x210/0x210 [ 47.193326] kobject: 'veth0_to_team' (ffff8880998c49f0): kobject_uevent_env [ 47.196323] ? do_syscall_64+0x53/0x640 [ 47.200505] kobject: 'veth0_to_team' (ffff8880998c49f0): fill_kobj_path: path = '/devices/virtual/net/veth0_to_team' [ 47.204757] ? SyS_mkdirat+0x210/0x210 [ 47.209447] kobject: 'queues' (ffff8880a5bd5448): kobject_add_internal: parent: 'veth0_to_team', set: '' [ 47.215014] do_syscall_64+0x1e8/0x640 [ 47.215022] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.215035] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.215042] RIP: 0033:0x459d27 [ 47.215046] RSP: 002b:00007ffde2917fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 47.215054] RAX: ffffffffffffffda RBX: 000000000000b6ae RCX: 0000000000459d27 [ 47.215060] RDX: 00007ffde2917ff3 RSI: 00000000000001ff RDI: 00007ffde2917ff0 [ 47.221141] kobject: 'queues' (ffff8880a5bd5448): kobject_uevent_env [ 47.226438] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 47.230069] kobject: 'queues' (ffff8880a5bd5448): kobject_uevent_env: filter function caused the event to drop! [ 47.237123] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 47.242243] kobject: 'rx-0' (ffff8880a0f7b3d0): kobject_add_internal: parent: 'queues', set: 'queues' [ 47.248902] R13: 00007ffde2917fe0 R14: 000000000000b672 R15: 00007ffde2917ff0 [ 47.248918] [ 47.253619] kobject: 'rx-0' (ffff8880a0f7b3d0): kobject_uevent_env [ 47.260659] The buggy address belongs to the page: [ 47.260668] page:ffffea000236c840 count:0 mapcount:0 mapping: (null) index:0x1 [ 47.260676] flags: 0xfffe0000000000() [ 47.260684] raw: 00fffe0000000000 0000000000000000 0000000000000001 00000000ffffffff [ 47.260691] raw: ffffea000242a6e0 ffffea000236d7e0 0000000000000000 0000000000000000 [ 47.260694] page dumped because: kasan: bad access detected [ 47.260696] [ 47.260699] Memory state around the buggy address: [ 47.260705] ffff88808db21080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 47.260710] ffff88808db21100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 47.260715] >ffff88808db21180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 47.260718] ^ [ 47.260723] ffff88808db21200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 47.260733] ffff88808db21280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 47.267934] kobject: 'rx-0' (ffff8880a0f7b3d0): fill_kobj_path: path = '/devices/virtual/net/veth0_to_team/queues/rx-0' [ 47.271568] ================================================================== [ 47.271571] Disabling lock debugging due to kernel taint [ 47.272647] Kernel panic - not syncing: panic_on_warn set ... [ 47.272647] [ 47.277798] kobject: 'tx-0' (ffff8880832ff598): kobject_add_internal: parent: 'queues', set: 'queues' [ 47.285104] CPU: 1 PID: 6953 Comm: syz-executor.3 Tainted: G B 4.14.158-syzkaller #0 [ 47.285108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.285111] Call Trace: [ 47.285122] dump_stack+0x142/0x197 [ 47.285132] ? ext4_xattr_set_entry+0x3149/0x3230 [ 47.285138] panic+0x1f9/0x42d [ 47.285144] ? add_taint.cold+0x16/0x16 [ 47.285152] ? ___preempt_schedule+0x16/0x18 [ 47.285162] kasan_end_report+0x47/0x4f [ 47.285169] kasan_report.cold+0x130/0x2af [ 47.285176] __asan_report_load4_noabort+0x14/0x20 [ 47.285182] ext4_xattr_set_entry+0x3149/0x3230 [ 47.285193] ? save_trace+0x290/0x290 [ 47.285202] ? ext4_xattr_inode_read+0x3d0/0x3d0 [ 47.285212] ? __might_sleep+0x93/0xb0 [ 47.285219] ext4_xattr_ibody_set+0x7a/0x2a0 [ 47.285227] ext4_xattr_set_handle+0x4f5/0xda0 [ 47.285235] ? ext4_xattr_ibody_inline_set+0x2a0/0x2a0 [ 47.285242] ? security_load_policycaps+0x320/0x320 [ 47.285251] ? _raw_read_unlock+0x2d/0x50 [ 47.285259] ? security_sid_to_context_force+0x2b/0x40 [ 47.285268] ext4_initxattrs+0xc0/0x130 [ 47.285276] security_inode_init_security+0x26d/0x360 [ 47.285280] ? ext4_init_acl+0x1f0/0x1f0 [ 47.285287] ? security_kernel_post_read_file+0xd0/0xd0 [ 47.285295] ? posix_acl_create+0xf5/0x3a0 [ 47.285303] ? ext4_set_acl+0x400/0x400 [ 47.285309] ? lock_downgrade+0x740/0x740 [ 47.285318] ext4_init_security+0x34/0x40 [ 47.285326] __ext4_new_inode+0x3385/0x4860 [ 47.285338] ? ext4_free_inode+0x1210/0x1210 [ 47.285347] ? dquot_get_next_dqblk+0x160/0x160 [ 47.285359] ext4_mkdir+0x331/0xc20 [ 47.285370] ? ext4_init_dot_dotdot+0x4c0/0x4c0 [ 47.285378] ? security_inode_mkdir+0xd0/0x110 [ 47.285386] vfs_mkdir+0x3ca/0x610 [ 47.285394] SyS_mkdir+0x1b7/0x200 [ 47.285401] ? SyS_mkdirat+0x210/0x210 [ 47.285408] ? do_syscall_64+0x53/0x640 [ 47.285415] ? SyS_mkdirat+0x210/0x210 [ 47.285422] do_syscall_64+0x1e8/0x640 [ 47.285428] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.285438] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.285443] RIP: 0033:0x459d27 [ 47.285448] RSP: 002b:00007ffde2917fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 47.285455] RAX: ffffffffffffffda RBX: 000000000000b6ae RCX: 0000000000459d27 [ 47.285459] RDX: 00007ffde2917ff3 RSI: 00000000000001ff RDI: 00007ffde2917ff0 [ 47.285463] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 47.285467] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 47.285471] R13: 00007ffde2917fe0 R14: 000000000000b672 R15: 00007ffde2917ff0 [ 47.286872] Kernel Offset: disabled [ 47.791938] Rebooting in 86400 seconds..