[ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 29.552253] audit: type=1400 audit(1589186306.795:8): avc: denied { execmem } for pid=6119 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 29.812985] IPVS: ftp: loaded support on port[0] = 21 [ 30.955170] can: request_module (can-proto-0) failed. [ 30.965031] can: request_module (can-proto-0) failed. [ 30.990191] audit: type=1400 audit(1589186308.236:9): avc: denied { create } for pid=6096 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.10.53' (ECDSA) to the list of known hosts. 2020/05/11 08:38:35 parsed 1 programs 2020/05/11 08:38:35 executed programs: 0 [ 38.526405] audit: type=1400 audit(1589186315.782:10): avc: denied { execmem } for pid=6241 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 38.816320] IPVS: ftp: loaded support on port[0] = 21 [ 39.687138] IPVS: ftp: loaded support on port[0] = 21 [ 39.693454] chnl_net:caif_netlink_parms(): no params data found [ 39.747844] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.754192] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.761722] device bridge_slave_0 entered promiscuous mode [ 39.771678] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.778133] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.785384] device bridge_slave_1 entered promiscuous mode [ 39.796606] IPVS: ftp: loaded support on port[0] = 21 [ 39.803882] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.814943] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.832685] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 39.840227] team0: Port device team_slave_0 added [ 39.847245] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 39.854265] team0: Port device team_slave_1 added [ 39.860026] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 39.867316] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 39.927334] device hsr_slave_0 entered promiscuous mode [ 39.965120] device hsr_slave_1 entered promiscuous mode [ 40.005461] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.018535] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.070743] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.077255] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.084187] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.090576] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.113844] chnl_net:caif_netlink_parms(): no params data found [ 40.121577] IPVS: ftp: loaded support on port[0] = 21 [ 40.158898] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 40.166202] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.221780] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 40.232237] chnl_net:caif_netlink_parms(): no params data found [ 40.257211] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.263953] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.271909] device bridge_slave_0 entered promiscuous mode [ 40.287685] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.294254] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.301730] device bridge_slave_1 entered promiscuous mode [ 40.319728] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.330562] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.342780] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.352454] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.360078] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.371148] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 40.378054] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.400719] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.409027] team0: Port device team_slave_0 added [ 40.414524] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.422368] team0: Port device team_slave_1 added [ 40.430056] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.442185] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.449336] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.456549] device bridge_slave_0 entered promiscuous mode [ 40.466325] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.467328] IPVS: ftp: loaded support on port[0] = 21 [ 40.487274] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.493647] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.502370] device bridge_slave_1 entered promiscuous mode [ 40.517490] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.525283] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.531615] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.539674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.548097] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.554429] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.561896] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.570392] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.617547] device hsr_slave_0 entered promiscuous mode [ 40.654758] device hsr_slave_1 entered promiscuous mode [ 40.738171] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.746807] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.772796] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.783023] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.793172] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.800904] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.808246] team0: Port device team_slave_0 added [ 40.818892] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 40.846045] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.859044] team0: Port device team_slave_1 added [ 40.866590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 40.874172] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.884949] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 40.894042] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 40.904696] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.940356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.948202] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.955911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.963289] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.970944] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.992526] IPVS: ftp: loaded support on port[0] = 21 [ 41.016650] device hsr_slave_0 entered promiscuous mode [ 41.054535] device hsr_slave_1 entered promiscuous mode [ 41.115829] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 41.121834] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.130732] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.144115] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.153283] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.169634] chnl_net:caif_netlink_parms(): no params data found [ 41.190302] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 41.225333] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.255591] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.273237] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.288403] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.332074] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.338891] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.346600] device bridge_slave_0 entered promiscuous mode [ 41.389023] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.399781] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.408903] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.421940] audit: type=1800 audit(1589186318.673:11): pid=6932 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="bus" dev="sda1" ino=15754 res=0 [ 41.422819] kasan: CONFIG_KASAN_INLINE enabled [ 41.468999] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.469909] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 41.475595] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.483179] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 41.492698] device bridge_slave_1 entered promiscuous mode [ 41.495297] Modules linked in: [ 41.495305] CPU: 0 PID: 6932 Comm: syz-executor.3 Not tainted 4.14.180-syzkaller #0 [ 41.495307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.495310] task: ffff88808f636500 task.stack: ffff888095498000 [ 41.495319] RIP: 0010:do_blockdev_direct_IO+0x18f1/0x6be0 [ 41.495321] RSP: 0018:ffff88809549f490 EFLAGS: 00010202 [ 41.495325] RAX: 0000000000000004 RBX: ffffea00024a6e1c RCX: 000000000000000c [ 41.495327] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 41.495328] RBP: ffff88809549f7a0 R08: 0000000000000000 R09: ffff888090816940 [ 41.495330] R10: ffffed1012102d38 R11: 0000000000000000 R12: dffffc0000000000 [ 41.495333] R13: 0000000000000000 R14: ffffea00024a6e00 R15: ffff888094c29a40 [ 41.495336] FS: 00007fdb2b8fb700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 [ 41.495339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.495342] CR2: 0000000000758080 CR3: 0000000095b58000 CR4: 00000000001406f0 [ 41.495348] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.495350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.495352] Call Trace: [ 41.495365] ? sb_init_dio_done_wq+0x60/0x60 [ 41.495380] ? ext4_dio_get_block_unwritten_sync+0xb0/0xb0 [ 41.495386] ? ext4_direct_IO+0xfd5/0x1b80 [ 41.495392] ? lock_downgrade+0x7f0/0x7f0 [ 41.495396] __blockdev_direct_IO+0x72/0xd9 [ 41.495401] ext4_direct_IO+0x6ed/0x1b80 [ 41.495410] generic_file_direct_write+0x1ee/0x410 [ 41.495415] __generic_file_write_iter+0x270/0x580 [ 41.495422] ext4_file_write_iter+0x27a/0xe40 [ 41.495425] ? __lock_is_held+0xb5/0x140 [ 41.495430] ? ext4_file_mmap+0x260/0x260 [ 41.495438] ? __might_sleep+0x93/0xb0 [ 41.495444] do_iter_readv_writev+0x460/0x900 [ 41.495450] ? selinux_file_permission+0x31f/0x3e0 [ 41.495454] ? vfs_dedupe_file_range+0x800/0x800 [ 41.495459] ? rw_verify_area+0xb8/0x2b0 [ 41.495464] do_iter_write+0x12b/0x520 [ 41.495471] ? rcu_read_lock_sched_held+0x108/0x120 [ 41.515174] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.521394] ? __kmalloc+0x36d/0x7b0 [ 41.530263] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.532959] vfs_iter_write+0x5b/0xb0 [ 41.532966] iter_file_splice_write+0x540/0xc20 [ 41.541344] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.545565] ? default_file_splice_read+0x820/0x820 [ 41.545575] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 41.545579] ? __sb_start_write+0x1f3/0x2a0 [ 41.545588] SyS_splice+0x6e9/0x1580 [ 41.545594] ? put_timespec64+0xa4/0xf0 [ 41.545597] ? nsecs_to_jiffies+0x20/0x20 [ 41.545603] ? compat_SyS_vmsplice+0x1e0/0x1e0 [ 41.545610] ? do_syscall_64+0x4c/0x5b0 [ 41.545615] ? compat_SyS_vmsplice+0x1e0/0x1e0 [ 41.558440] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.563629] do_syscall_64+0x1c7/0x5b0 [ 41.563635] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.571113] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.578143] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 41.578147] RIP: 0033:0x459a59 [ 41.578149] RSP: 002b:00007fdb2b8fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 41.578154] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459a59 [ 41.578155] RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000004 [ 41.578158] RBP: 000000000075bf20 R08: 00000000ffffffff R09: 0000000000000000 [ 41.578160] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdb2b8fb6d4 [ 41.578162] R13: 00000000004c954e R14: 00000000004dffb0 R15: 00000000ffffffff [ 41.578167] Code: ff ff 48 8b bc 24 e0 00 00 00 48 c7 c6 a0 [ 41.591826] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 41.592270] 83 94 86 e8 b4 f8 e0 [ 41.601883] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 41.606798] ff 0f 0b 48 8b 84 24 e0 00 00 00 48 8d 78 20 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 f3 44 00 00 48 8b 9c 24 e0 00 00 00 48 8b [ 41.606853] RIP: do_blockdev_direct_IO+0x18f1/0x6be0 RSP: ffff88809549f490 [ 41.719165] ---[ end trace 9fdaf332538d63e7 ]--- [ 41.887174] Kernel panic - not syncing: Fatal exception [ 41.894060] Kernel Offset: disabled [ 41.897673] Rebooting in 86400 seconds..