[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 65.412694][ T26] audit: type=1800 audit(1576359052.783:25): pid=9024 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 65.432384][ T26] audit: type=1800 audit(1576359052.783:26): pid=9024 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 65.477709][ T26] audit: type=1800 audit(1576359052.793:27): pid=9024 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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 '10.128.0.20' (ECDSA) to the list of known hosts. 2019/12/14 21:46:50 parsed 1 programs 2019/12/14 21:46:52 executed programs: 0 syzkaller login: [ 1025.570841][ T9191] IPVS: ftp: loaded support on port[0] = 21 [ 1025.636332][ T9191] chnl_net:caif_netlink_parms(): no params data found [ 1025.666843][ T9191] bridge0: port 1(bridge_slave_0) entered blocking state [ 1025.675602][ T9191] bridge0: port 1(bridge_slave_0) entered disabled state [ 1025.683613][ T9191] device bridge_slave_0 entered promiscuous mode [ 1025.692212][ T9191] bridge0: port 2(bridge_slave_1) entered blocking state [ 1025.699751][ T9191] bridge0: port 2(bridge_slave_1) entered disabled state [ 1025.708952][ T9191] device bridge_slave_1 entered promiscuous mode [ 1025.726049][ T9191] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1025.737237][ T9191] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1025.757424][ T9191] team0: Port device team_slave_0 added [ 1025.766505][ T9191] team0: Port device team_slave_1 added [ 1025.849734][ T9191] device hsr_slave_0 entered promiscuous mode [ 1025.918398][ T9191] device hsr_slave_1 entered promiscuous mode [ 1026.012273][ T9191] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1026.060038][ T9191] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1026.110222][ T9191] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1026.140666][ T9191] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1026.218853][ T9191] bridge0: port 2(bridge_slave_1) entered blocking state [ 1026.226243][ T9191] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1026.234815][ T9191] bridge0: port 1(bridge_slave_0) entered blocking state [ 1026.242091][ T9191] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1026.278291][ T9191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1026.293374][ T9193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1026.315831][ T9193] bridge0: port 1(bridge_slave_0) entered disabled state [ 1026.335747][ T9193] bridge0: port 2(bridge_slave_1) entered disabled state [ 1026.344810][ T9193] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1026.358784][ T9191] 8021q: adding VLAN 0 to HW filter on device team0 [ 1026.380871][ T3118] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1026.389826][ T3118] bridge0: port 1(bridge_slave_0) entered blocking state [ 1026.396876][ T3118] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1026.419988][ T9195] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1026.428837][ T9195] bridge0: port 2(bridge_slave_1) entered blocking state [ 1026.436411][ T9195] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1026.444848][ T9195] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1026.454602][ T9195] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1026.464701][ T9195] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1026.479611][ T3118] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1026.488582][ T3118] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1026.500124][ T9191] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1026.516815][ T9195] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1026.524886][ T9195] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1026.536916][ T9191] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1026.649324][ T9201] syz-executor.0 uses obsolete (PF_INET,SOCK_PACKET) [ 1026.695623][ T9199] ------------[ cut here ]------------ [ 1026.701483][ T9199] WARNING: CPU: 1 PID: 9199 at mm/memory.c:2229 wp_page_copy+0x10b7/0x1560 [ 1026.710191][ T9199] Kernel panic - not syncing: panic_on_warn set ... [ 1026.716774][ T9199] CPU: 1 PID: 9199 Comm: syz-executor.0 Not tainted 5.5.0-rc1-syzkaller #0 [ 1026.725345][ T9199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1026.735669][ T9199] Call Trace: [ 1026.739030][ T9199] dump_stack+0x197/0x210 [ 1026.743355][ T9199] ? wp_page_copy+0x1090/0x1560 [ 1026.748241][ T9199] panic+0x2e3/0x75c [ 1026.752166][ T9199] ? add_taint.cold+0x16/0x16 [ 1026.756944][ T9199] ? printk+0xba/0xed [ 1026.760924][ T9199] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1026.766371][ T9199] ? __warn.cold+0x14/0x3e [ 1026.770772][ T9199] ? __warn+0xd9/0x1cf [ 1026.774843][ T9199] ? wp_page_copy+0x10b7/0x1560 [ 1026.779679][ T9199] __warn.cold+0x2f/0x3e [ 1026.783911][ T9199] ? report_bug.cold+0x63/0xb2 [ 1026.788660][ T9199] ? wp_page_copy+0x10b7/0x1560 [ 1026.793498][ T9199] report_bug+0x289/0x300 [ 1026.798429][ T9199] do_error_trap+0x11b/0x200 [ 1026.803021][ T9199] do_invalid_op+0x37/0x50 [ 1026.807432][ T9199] ? wp_page_copy+0x10b7/0x1560 [ 1026.812323][ T9199] invalid_op+0x23/0x30 [ 1026.816572][ T9199] RIP: 0010:wp_page_copy+0x10b7/0x1560 [ 1026.822025][ T9199] Code: 4c 89 f7 ba 00 10 00 00 48 81 e6 00 f0 ff ff e8 4f f6 22 06 31 ff 41 89 c7 89 c6 e8 13 02 d3 ff 45 85 ff 74 0f e8 89 00 d3 ff <0f> 0b 4c 89 f7 e8 7f e8 22 06 e8 7a 00 d3 ff 65 4c 8b 34 25 c0 1e [ 1026.841612][ T9199] RSP: 0000:ffffc900021f7ab8 EFLAGS: 00010293 [ 1026.847680][ T9199] RAX: ffff8880954b4540 RBX: ffffc900021f7d68 RCX: ffffffff81a22b1d [ 1026.855649][ T9199] RDX: 0000000000000000 RSI: ffffffff81a22b27 RDI: 0000000000000005 [ 1026.863641][ T9199] RBP: ffffc900021f7bf8 R08: ffff8880954b4540 R09: 0000000000000000 [ 1026.871696][ T9199] R10: ffffed101136abff R11: ffff888089b55fff R12: ffff8880a8e6f250 [ 1026.879664][ T9199] R13: ffffea000226d540 R14: ffff888089b55000 R15: 0000000000001000 [ 1026.887638][ T9199] ? wp_page_copy+0x10ad/0x1560 [ 1026.892481][ T9199] ? wp_page_copy+0x10b7/0x1560 [ 1026.897320][ T9199] ? wp_page_copy+0x10b7/0x1560 [ 1026.902182][ T9199] ? find_held_lock+0x35/0x130 [ 1026.906936][ T9199] ? follow_pfn+0x2a0/0x2a0 [ 1026.911425][ T9199] ? lock_downgrade+0x920/0x920 [ 1026.916268][ T9199] ? vm_normal_page+0x15d/0x3c0 [ 1026.921109][ T9199] ? __pte_alloc_kernel+0x210/0x210 [ 1026.926298][ T9199] ? do_raw_spin_unlock+0x178/0x270 [ 1026.931484][ T9199] do_wp_page+0x543/0x1540 [ 1026.935888][ T9199] ? do_raw_spin_lock+0x12a/0x2e0 [ 1026.941157][ T9199] ? lock_acquire+0x190/0x410 [ 1026.945835][ T9199] ? finish_mkwrite_fault+0x5c0/0x5c0 [ 1026.951289][ T9199] ? fault_around_bytes_set+0xa0/0xa0 [ 1026.956653][ T9199] __handle_mm_fault+0x327b/0x3da0 [ 1026.961762][ T9199] ? vm_iomap_memory+0x1a0/0x1a0 [ 1026.966684][ T9199] ? handle_mm_fault+0x292/0xa50 [ 1026.971619][ T9199] ? handle_mm_fault+0x7a0/0xa50 [ 1026.976602][ T9199] ? __kasan_check_read+0x11/0x20 [ 1026.981630][ T9199] handle_mm_fault+0x3b2/0xa50 [ 1026.986452][ T9199] __do_page_fault+0x536/0xd80 [ 1026.991392][ T9199] do_page_fault+0x38/0x590 [ 1026.995902][ T9199] page_fault+0x39/0x40 [ 1027.000043][ T9199] RIP: 0033:0x4006c4 [ 1027.003925][ T9199] Code: 01 e9 c9 00 00 00 48 8b 44 24 10 48 0b 44 24 28 be 08 00 00 00 48 8b 14 24 75 17 48 8b 7c 24 20 e8 91 54 00 00 48 8b 4c 24 08 <48> 89 01 e9 9d 00 00 00 48 8b 44 24 08 48 8b 38 e8 77 54 00 00 8a [ 1027.023604][ T9199] RSP: 002b:00007fff11f20ae0 EFLAGS: 00010206 [ 1027.029656][ T9199] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000200016c0 [ 1027.037623][ T9199] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000 [ 1027.045579][ T9199] RBP: 0000000000761160 R08: 0000000000000000 R09: 0000000000000000 [ 1027.053534][ T9199] R10: 00007fff11f20be0 R11: 0000000000000246 R12: 000000000075bf20 [ 1027.061507][ T9199] R13: 0000000000000005 R14: 0000000000761168 R15: 000000000075bf2c [ 1027.071289][ T9199] Kernel Offset: disabled [ 1027.075751][ T9199] Rebooting in 86400 seconds..