[ 24.499384][ T24] audit: type=1804 audit(1569797616.315:48): pid=6822 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 24.519794][ T24] audit: type=1804 audit(1569797616.335:49): pid=6818 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 24.527326][ T24] audit: type=1804 audit(1569797616.355:50): pid=6818 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 24.560573][ T24] audit: type=1804 audit(1569797616.375:51): pid=6822 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 24.560582][ T24] audit: type=1804 audit(1569797616.375:52): pid=6820 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 24.577338][ T24] audit: type=1804 audit(1569797616.395:53): pid=6816 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.32' (ECDSA) to the list of known hosts. syzkaller login: [ 34.446025][ T24] kauditd_printk_skb: 8 callbacks suppressed [ 34.446034][ T24] audit: type=1400 audit(1569797626.275:62): avc: denied { map } for pid=6847 comm="syz-executor298" path="/root/syz-executor298797640" dev="sda1" ino=16499 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 41.447867][ T6850] IPVS: ftp: loaded support on port[0] = 21 [ 41.464394][ T6850] chnl_net:caif_netlink_parms(): no params data found [ 41.475672][ T6850] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.482856][ T6850] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.490151][ T6850] device bridge_slave_0 entered promiscuous mode [ 41.496806][ T6850] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.503862][ T6850] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.511491][ T6850] device bridge_slave_1 entered promiscuous mode [ 41.520315][ T6850] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.529794][ T6850] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.541259][ T6850] team0: Port device team_slave_0 added [ 41.547131][ T6850] team0: Port device team_slave_1 added [ 41.588092][ T6850] device hsr_slave_0 entered promiscuous mode [ 41.627495][ T6850] device hsr_slave_1 entered promiscuous mode [ 41.699238][ T6850] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.706418][ T6850] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.713653][ T6850] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.720805][ T6850] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.733984][ T6850] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.741789][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.759470][ T3042] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.766802][ T3042] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.774745][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 41.783077][ T6850] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.790858][ T2988] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.799155][ T2988] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.806157][ T2988] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.817847][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.826108][ T3042] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.833220][ T3042] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.840995][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.849218][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready executing program [ 41.857185][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.865084][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.873762][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.881394][ T6850] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.891158][ T6850] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.037582][ T2652] device bridge_slave_1 left promiscuous mode [ 43.043755][ T2652] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.097602][ T2652] device bridge_slave_0 left promiscuous mode [ 43.103722][ T2652] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.317662][ T2652] device hsr_slave_0 left promiscuous mode [ 43.357420][ T2652] device hsr_slave_1 left promiscuous mode [ 43.398606][ T2652] team0 (unregistering): Port device team_slave_1 removed [ 43.406522][ T2652] team0 (unregistering): Port device team_slave_0 removed [ 43.414660][ T2652] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 43.488119][ T2652] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 43.551155][ T2652] bond0 (unregistering): Released all slaves [ 47.809671][ T6847] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811c905a00 (size 256): comm "syz-executor298", pid 6850, jiffies 4294941460 (age 7.890s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000028412745>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000032f4f40>] gfs2_init_fs_context+0x25/0x90 [<00000000c5a5ce03>] gfs2_meta_init_fs_context+0x17/0x40 [<00000000ea184721>] alloc_fs_context+0x174/0x200 [<00000000c0bf74e2>] fs_context_for_mount+0x25/0x30 [<0000000055d48b48>] __x64_sys_fsopen+0xa9/0x1a0 [<00000000ddeff9f3>] do_syscall_64+0x73/0x1f0 [<00000000219f8e25>] entry_SYSCALL_64_after_hwframe+0x44/0xa9