Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts. 2019/11/28 18:05:33 parsed 1 programs 2019/11/28 18:05:34 executed programs: 0 syzkaller login: [ 68.267887][ T8802] IPVS: ftp: loaded support on port[0] = 21 [ 68.332092][ T8802] chnl_net:caif_netlink_parms(): no params data found [ 68.361302][ T8802] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.369260][ T8802] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.377878][ T8802] device bridge_slave_0 entered promiscuous mode [ 68.386103][ T8802] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.393237][ T8802] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.401653][ T8802] device bridge_slave_1 entered promiscuous mode [ 68.420333][ T8802] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.431834][ T8802] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.451903][ T8802] team0: Port device team_slave_0 added [ 68.459732][ T8802] team0: Port device team_slave_1 added [ 68.537981][ T8802] device hsr_slave_0 entered promiscuous mode [ 68.586497][ T8802] device hsr_slave_1 entered promiscuous mode [ 68.677583][ T8802] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.728442][ T8802] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.797944][ T8802] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.848802][ T8802] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.916185][ T8802] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.923451][ T8802] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.931438][ T8802] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.938585][ T8802] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.973779][ T8802] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.989698][ T8804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.000576][ T8804] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.019595][ T8804] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.028707][ T8804] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 69.040939][ T8802] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.057272][ T8804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.065712][ T8804] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.072854][ T8804] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.081502][ T8804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.090390][ T8804] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.097498][ T8804] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.111809][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.120385][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.132083][ T8804] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.147918][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.159929][ T8802] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.171823][ T8802] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.179857][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.196485][ T8804] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.204177][ T8804] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.216512][ T8802] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.379716][ T26] kauditd_printk_skb: 3 callbacks suppressed [ 69.379729][ T26] audit: type=1804 audit(1574964336.089:31): pid=8810 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir134970116/syzkaller.RiEJJ6/0/file0" dev="sda1" ino=16496 res=1 [ 69.410778][ T8808] ------------[ cut here ]------------ [ 69.416656][ T8808] generic_make_request: Trying to write to read-only block-device loop0 (partno 0) [ 69.426638][ T8808] WARNING: CPU: 0 PID: 8808 at block/blk-core.c:800 generic_make_request_checks+0x1c78/0x2190 [ 69.436979][ T8808] Kernel panic - not syncing: panic_on_warn set ... [ 69.443594][ T8808] CPU: 0 PID: 8808 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 69.451929][ T8808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.461987][ T8808] Call Trace: [ 69.465287][ T8808] dump_stack+0x197/0x210 [ 69.469610][ T8808] ? generic_make_request_checks+0x1c60/0x2190 [ 69.475761][ T8808] panic+0x2e3/0x75c [ 69.479663][ T8808] ? add_taint.cold+0x16/0x16 [ 69.484326][ T8808] ? __kasan_check_write+0x14/0x20 [ 69.489428][ T8808] ? __warn.cold+0x14/0x3e [ 69.493860][ T8808] ? __warn+0xd9/0x1cf [ 69.497921][ T8808] ? generic_make_request_checks+0x1c78/0x2190 [ 69.504074][ T8808] __warn.cold+0x2f/0x3e [ 69.508307][ T8808] ? generic_make_request_checks+0x1c78/0x2190 [ 69.514447][ T8808] report_bug+0x289/0x300 [ 69.519197][ T8808] do_error_trap+0x11b/0x200 [ 69.523788][ T8808] do_invalid_op+0x37/0x50 [ 69.528193][ T8808] ? generic_make_request_checks+0x1c78/0x2190 [ 69.534335][ T8808] invalid_op+0x23/0x30 [ 69.538476][ T8808] RIP: 0010:generic_make_request_checks+0x1c78/0x2190 [ 69.545381][ T8808] Code: 00 00 44 8b ab 5c 05 00 00 48 8d b5 78 ff ff ff 4c 89 ff e8 5a 94 05 00 48 c7 c7 c0 47 05 88 48 89 c6 44 89 ea e8 a7 e4 0e fe <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 80 3c 02 [ 69.565672][ T8808] RSP: 0018:ffff88809832f300 EFLAGS: 00010282 [ 69.571725][ T8808] RAX: 0000000000000000 RBX: ffff8880a3aac000 RCX: 0000000000000000 [ 69.579684][ T8808] RDX: 0000000000000000 RSI: ffffffff815dc196 RDI: ffffed1013065e52 [ 69.587639][ T8808] RBP: ffff88809832f400 R08: ffff888097efc340 R09: ffffed1015d06621 [ 69.595593][ T8808] R10: ffffed1015d06620 R11: ffff8880ae833107 R12: ffff888096735f08 [ 69.603545][ T8808] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888096735f00 [ 69.611537][ T8808] ? vprintk_func+0x86/0x189 [ 69.616128][ T8808] ? trace_event_raw_event_block_rq_requeue+0x640/0x640 [ 69.623046][ T8808] ? __kasan_check_read+0x11/0x20 [ 69.628057][ T8808] ? __lock_acquire+0x8a0/0x4a00 [ 69.632999][ T8808] ? __kasan_check_read+0x11/0x20 [ 69.638016][ T8808] generic_make_request+0x8f/0xb50 [ 69.643126][ T8808] ? blk_queue_enter+0xe30/0xe30 [ 69.648116][ T8808] ? lock_downgrade+0x920/0x920 [ 69.652969][ T8808] submit_bio+0x113/0x600 [ 69.657290][ T8808] ? submit_bio+0x113/0x600 [ 69.661817][ T8808] ? generic_make_request+0xb50/0xb50 [ 69.667212][ T8808] ? bio_associate_blkg_from_css+0x4fd/0x980 [ 69.673177][ T8808] ? bio_reset+0x3a0/0x3a0 [ 69.677577][ T8808] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 69.683289][ T8808] ? guard_bio_eod+0x28f/0x6c0 [ 69.688050][ T8808] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 69.693754][ T8808] submit_bh_wbc+0x6b6/0x900 [ 69.698331][ T8808] __block_write_full_page+0x7fe/0x11b0 [ 69.703939][ T8808] ? bdev_evict_inode+0x5c0/0x5c0 [ 69.708973][ T8808] ? __getblk_gfp+0xa10/0xa10 [ 69.713657][ T8808] block_write_full_page+0x21f/0x270 [ 69.718966][ T8808] ? bdev_evict_inode+0x5c0/0x5c0 [ 69.724003][ T8808] blkdev_writepage+0x25/0x30 [ 69.728792][ T8808] __writepage+0x66/0x110 [ 69.733118][ T8808] write_cache_pages+0x80c/0x13f0 [ 69.738156][ T8808] ? tag_pages_for_writeback+0x4b0/0x4b0 [ 69.743842][ T8808] ? clear_page_dirty_for_io+0xde0/0xde0 [ 69.749472][ T8808] ? __kasan_check_read+0x11/0x20 [ 69.754482][ T8808] ? mark_lock+0xc2/0x1220 [ 69.759059][ T8808] generic_writepages+0xed/0x160 [ 69.763981][ T8808] ? write_cache_pages+0x13f0/0x13f0 [ 69.769247][ T8808] ? __lock_acquire+0x8a0/0x4a00 [ 69.774172][ T8808] ? wbc_attach_and_unlock_inode+0x515/0xa00 [ 69.780135][ T8808] ? find_held_lock+0x35/0x130 [ 69.784908][ T8808] ? blkdev_readpages+0x40/0x40 [ 69.789757][ T8808] blkdev_writepages+0x1e/0x30 [ 69.794507][ T8808] do_writepages+0xfa/0x2a0 [ 69.799004][ T8808] ? page_writeback_cpu_online+0x20/0x20 [ 69.804633][ T8808] ? do_raw_spin_unlock+0x178/0x270 [ 69.809857][ T8808] ? _raw_spin_unlock+0x28/0x40 [ 69.814690][ T8808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 69.820924][ T8808] ? wbc_attach_and_unlock_inode+0x637/0xa00 [ 69.826889][ T8808] __filemap_fdatawrite_range+0x2bc/0x3b0 [ 69.832587][ T8808] ? delete_from_page_cache_batch+0xfe0/0xfe0 [ 69.838656][ T8808] ? lock_downgrade+0x920/0x920 [ 69.843497][ T8808] filemap_write_and_wait+0xf8/0x1e0 [ 69.848767][ T8808] __blkdev_put+0x204/0x810 [ 69.853252][ T8808] ? bd_set_size+0xb0/0xb0 [ 69.858359][ T8808] ? wait_for_completion+0x440/0x440 [ 69.863644][ T8808] blkdev_put+0x98/0x560 [ 69.867871][ T8808] blkdev_close+0x8b/0xb0 [ 69.872191][ T8808] __fput+0x2ff/0x890 [ 69.876153][ T8808] ? blkdev_put+0x560/0x560 [ 69.880640][ T8808] ____fput+0x16/0x20 [ 69.884609][ T8808] task_work_run+0x145/0x1c0 [ 69.889368][ T8808] exit_to_usermode_loop+0x316/0x380 [ 69.895165][ T8808] do_fast_syscall_32+0xbbd/0xe16 [ 69.900180][ T8808] entry_SYSENTER_compat+0x70/0x7f [ 69.905271][ T8808] RIP: 0023:0xf7f13a39 [ 69.909322][ T8808] Code: 00 00 00 89 d3 5b 5e 5f 5d c3 b8 80 96 98 00 eb c4 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 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 [ 69.928907][ T8808] RSP: 002b:00000000ff8b5c2c EFLAGS: 00000292 ORIG_RAX: 0000000000000006 [ 69.937622][ T8808] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000 [ 69.945706][ T8808] RDX: 0000000000000005 RSI: 00000000ffffffff RDI: 0000000000000000 [ 69.953660][ T8808] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 69.961616][ T8808] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 69.969571][ T8808] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 69.979110][ T8808] Kernel Offset: disabled [ 69.983507][ T8808] Rebooting in 86400 seconds..