[ 41.104432][ T26] audit: type=1800 audit(1555532526.852:25): pid=7809 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 41.138189][ T26] audit: type=1800 audit(1555532526.862:26): pid=7809 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 41.177255][ T26] audit: type=1800 audit(1555532526.862:27): pid=7809 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.198963][ T26] audit: type=1800 audit(1555532526.862:28): pid=7809 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.189' (ECDSA) to the list of known hosts. syzkaller login: [ 50.617550][ T7961] IPVS: ftp: loaded support on port[0] = 21 [ 50.674768][ T7961] chnl_net:caif_netlink_parms(): no params data found [ 50.710083][ T7961] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.720493][ T7961] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.729674][ T7961] device bridge_slave_0 entered promiscuous mode [ 50.739612][ T7961] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.748581][ T7961] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.758193][ T7961] device bridge_slave_1 entered promiscuous mode [ 50.778922][ T7961] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.789963][ T7961] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.808022][ T7961] team0: Port device team_slave_0 added [ 50.816362][ T7961] team0: Port device team_slave_1 added [ 50.900132][ T7961] device hsr_slave_0 entered promiscuous mode [ 50.969386][ T7961] device hsr_slave_1 entered promiscuous mode [ 51.046021][ T7961] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.054021][ T7961] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.062310][ T7961] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.069891][ T7961] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.106488][ T7961] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.120572][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.132528][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.142181][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.151303][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.164213][ T7961] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.176136][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.186141][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.193491][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.209436][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.218874][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.226572][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.249470][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.259549][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.269166][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.278681][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.287902][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.297479][ T7961] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 51.317117][ T7961] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.334393][ T7961] ------------[ cut here ]------------ [ 51.340429][ T7961] hsr_addr_subst_dest: Unknown node [ 51.346280][ T7961] WARNING: CPU: 1 PID: 7961 at net/hsr/hsr_framereg.c:313 hsr_addr_subst_dest+0x382/0x460 [ 51.356323][ T7961] Kernel panic - not syncing: panic_on_warn set ... [ 51.363061][ T7961] CPU: 1 PID: 7961 Comm: syz-executor006 Not tainted 5.1.0-rc5+ #72 [ 51.372849][ T7961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.383479][ T7961] Call Trace: [ 51.386962][ T7961] dump_stack+0x172/0x1f0 [ 51.391320][ T7961] ? hsr_addr_subst_dest+0x320/0x460 [ 51.398063][ T7961] panic+0x2cb/0x65c [ 51.402070][ T7961] ? __warn_printk+0xf3/0xf3 [ 51.406821][ T7961] ? hsr_addr_subst_dest+0x382/0x460 [ 51.412377][ T7961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.418867][ T7961] ? __warn.cold+0x5/0x45 [ 51.423397][ T7961] ? __warn+0xe8/0x1d0 [ 51.427900][ T7961] ? hsr_addr_subst_dest+0x382/0x460 [ 51.443918][ T7961] __warn.cold+0x20/0x45 [ 51.449020][ T7961] ? vprintk_emit+0x1ce/0x6d0 [ 51.455174][ T7961] ? hsr_addr_subst_dest+0x382/0x460 [ 51.461847][ T7961] report_bug+0x263/0x2b0 [ 51.469170][ T7961] do_error_trap+0x11b/0x200 [ 51.473998][ T7961] do_invalid_op+0x37/0x50 [ 51.478750][ T7961] ? hsr_addr_subst_dest+0x382/0x460 [ 51.484356][ T7961] invalid_op+0x14/0x20 [ 51.491293][ T7961] RIP: 0010:hsr_addr_subst_dest+0x382/0x460 [ 51.497909][ T7961] Code: 89 de e8 b1 80 6a fa 84 db 75 d3 e8 68 7f 6a fa 48 c7 c6 e0 4d 19 88 48 c7 c7 a0 4d 19 88 c6 05 93 7a 54 02 01 e8 4c 2d 3d fa <0f> 0b eb b0 e8 45 7f 6a fa 0f b6 1d 7f 7a 54 02 31 ff 89 de e8 75 [ 51.518510][ T7961] RSP: 0018:ffff8880919a75e0 EFLAGS: 00010286 [ 51.524931][ T7961] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 51.534072][ T7961] RDX: 0000000000000000 RSI: ffffffff815afcb6 RDI: ffffed1012334eae [ 51.542930][ T7961] RBP: ffff8880919a7620 R08: ffff88808f5f23c0 R09: ffffed1015d23ef1 [ 51.551727][ T7961] R10: ffffed1015d23ef0 R11: ffff8880ae91f787 R12: ffff8880999a1360 [ 51.563752][ T7961] R13: 00000000aaaaaaaa R14: 00000000b872e7f4 R15: 000000000000aaaa [ 51.575131][ T7961] ? vprintk_func+0x86/0x189 [ 51.582002][ T7961] hsr_forward_skb+0x123c/0x1bd0 [ 51.587716][ T7961] hsr_dev_xmit+0x72/0xa0 [ 51.592249][ T7961] dev_hard_start_xmit+0x1b2/0x980 [ 51.597465][ T7961] __dev_queue_xmit+0x271d/0x3060 [ 51.602634][ T7961] ? __might_fault+0x12b/0x1e0 [ 51.607540][ T7961] ? find_held_lock+0x35/0x130 [ 51.612384][ T7961] ? netdev_pick_tx+0x300/0x300 [ 51.619004][ T7961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.626079][ T7961] ? iov_iter_advance+0x295/0xf70 [ 51.631351][ T7961] dev_queue_xmit+0x18/0x20 [ 51.636124][ T7961] ? dev_queue_xmit+0x18/0x20 [ 51.641941][ T7961] pppoe_sendmsg+0x657/0x7e0 [ 51.647455][ T7961] ? ether_setup+0x2d0/0x2d0 [ 51.654390][ T7961] ? pppoe_getname+0x120/0x120 [ 51.659680][ T7961] ? apparmor_socket_sendmsg+0x2a/0x30 [ 51.666181][ T7961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.673069][ T7961] ? security_socket_sendmsg+0x93/0xc0 [ 51.679122][ T7961] ? pppoe_getname+0x120/0x120 [ 51.684417][ T7961] sock_sendmsg+0xdd/0x130 [ 51.689007][ T7961] ___sys_sendmsg+0x3e2/0x930 [ 51.693813][ T7961] ? copy_msghdr_from_user+0x430/0x430 [ 51.699910][ T7961] ? mark_held_locks+0xf0/0xf0 [ 51.704990][ T7961] ? kasan_check_read+0x11/0x20 [ 51.710598][ T7961] ? __lock_acquire+0x242a/0x3fb0 [ 51.716015][ T7961] ? reacquire_held_locks+0xfb/0x520 [ 51.721512][ T7961] ? release_sock+0x158/0x1c0 [ 51.726827][ T7961] ? find_held_lock+0x35/0x130 [ 51.732409][ T7961] ? release_sock+0x158/0x1c0 [ 51.737303][ T7961] ? __local_bh_enable_ip+0x15a/0x270 [ 51.742700][ T7961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.749159][ T7961] ? __fget_light+0x1a9/0x230 [ 51.754350][ T7961] ? __fdget+0x1b/0x20 [ 51.758687][ T7961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.765332][ T7961] ? sockfd_lookup_light+0xcb/0x180 [ 51.771467][ T7961] __sys_sendmmsg+0x2db/0x4d0 [ 51.776597][ T7961] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 51.782198][ T7961] ? __sys_connect+0x12d/0x330 [ 51.787438][ T7961] ? __ia32_sys_accept+0xb0/0xb0 [ 51.792614][ T7961] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 51.798474][ T7961] ? do_fast_syscall_32+0xd1/0xc98 [ 51.804016][ T7961] ? entry_SYSENTER_compat+0x70/0x7f [ 51.809371][ T7961] ? do_fast_syscall_32+0xd1/0xc98 [ 51.822976][ T7961] __ia32_compat_sys_sendmmsg+0x9f/0x100 [ 51.828837][ T7961] do_fast_syscall_32+0x281/0xc98 [ 51.834042][ T7961] entry_SYSENTER_compat+0x70/0x7f [ 51.839308][ T7961] RIP: 0023:0xf7fd5869 [ 51.843617][ T7961] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 51.863739][ T7961] RSP: 002b:00000000ffead59c EFLAGS: 00000217 ORIG_RAX: 0000000000000159 [ 51.872393][ T7961] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000002000d180 [ 51.880523][ T7961] RDX: 00000000000000eb RSI: 0000000000000000 RDI: 0000000000000003 [ 51.888827][ T7961] RBP: 00000000200000c0 R08: 0000000000000000 R09: 0000000000000000 [ 51.896920][ T7961] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 51.904904][ T7961] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.914901][ T7961] Kernel Offset: disabled [ 51.919427][ T7961] Rebooting in 86400 seconds..