Warning: Permanently added '[localhost]:15479' (ECDSA) to the list of known hosts. 2020/03/21 09:18:22 fuzzer started 2020/03/21 09:18:24 dialing manager at 10.0.2.10:33221 2020/03/21 09:18:24 syscalls: 2988 2020/03/21 09:18:24 code coverage: enabled 2020/03/21 09:18:24 comparison tracing: enabled 2020/03/21 09:18:24 extra coverage: enabled 2020/03/21 09:18:24 setuid sandbox: enabled 2020/03/21 09:18:24 namespace sandbox: enabled 2020/03/21 09:18:24 Android sandbox: /sys/fs/selinux/policy does not exist 2020/03/21 09:18:24 fault injection: enabled 2020/03/21 09:18:24 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/03/21 09:18:24 net packet injection: enabled 2020/03/21 09:18:24 net device setup: enabled 2020/03/21 09:18:24 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/03/21 09:18:24 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: Resetting rate control (2714131 samples) Resetting rate control (2709566 samples) [ 295.269930][ T2798] sd 0:0:0:0: [sda] tag#8 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT cmd_age=123s [ 295.282294][ T2798] sd 0:0:0:0: [sda] tag#8 CDB: Write(10) 2a 00 00 15 31 00 00 01 00 00 [ 295.292446][ T2798] blk_update_request: I/O error, dev sda, sector 1388800 op 0x1:(WRITE) flags 0x4000 phys_seg 29 prio class 0 [ 295.309106][ T2798] sd 0:0:0:0: [sda] tag#7 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT cmd_age=123s [ 295.320439][ T2798] sd 0:0:0:0: [sda] tag#7 CDB: Write(10) 2a 00 00 15 30 00 00 01 00 00 [ 295.329428][ T2798] blk_update_request: I/O error, dev sda, sector 1388544 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 0 [ 295.349054][ C3] EXT4-fs warning (device sda1): ext4_end_bio:347: I/O error 10 writing to inode 16526 starting block 173921) [ 295.362732][ T2017] Buffer I/O error on device sda1, logical block 173312 [ 295.373273][ T2017] Buffer I/O error on device sda1, logical block 173313 [ 295.383602][ T2017] Buffer I/O error on device sda1, logical block 173314 [ 295.391597][ T2017] Buffer I/O error on device sda1, logical block 173315 [ 295.399162][ T2017] Buffer I/O error on device sda1, logical block 173316 [ 295.406708][ T2017] Buffer I/O error on device sda1, logical block 173317 [ 295.414144][ T2017] Buffer I/O error on device sda1, logical block 173318 [ 295.421445][ T2017] Buffer I/O error on device sda1, logical block 173319 [ 295.429049][ T2017] Buffer I/O error on device sda1, logical block 173320 [ 295.436793][ T2017] Buffer I/O error on device sda1, logical block 173321 Resetting rate control (2669906 samples) [ 371.009851][ T2798] sd 0:0:0:0: [sda] tag#15 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT cmd_age=57s [ 371.022415][ T2798] sd 0:0:0:0: [sda] tag#15 CDB: Write(10) 2a 00 00 00 08 38 00 00 08 00 [ 371.033458][ T2798] blk_update_request: I/O error, dev sda, sector 2104 op 0x1:(WRITE) flags 0x103000 phys_seg 1 prio class 0 [ 371.049891][ T2798] Buffer I/O error on dev sda1, logical block 7, lost async page write [ 371.061339][ T2798] sd 0:0:0:0: [sda] tag#14 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT cmd_age=57s [ 371.074431][ T2798] sd 0:0:0:0: [sda] tag#14 CDB: Write(10) 2a 00 00 00 08 08 00 00 08 00 [ 371.087218][ T2798] blk_update_request: I/O error, dev sda, sector 2056 op 0x1:(WRITE) flags 0x103000 phys_seg 1 prio class 0 [ 371.102517][ T2798] Buffer I/O error on dev sda1, logical block 1, lost async page write [ 371.113040][ T2798] sd 0:0:0:0: [sda] tag#13 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT cmd_age=57s [ 371.126342][ T2798] sd 0:0:0:0: [sda] tag#13 CDB: Write(10) 2a 00 00 15 2f 60 00 00 10 00 [ 371.137859][ T2798] blk_update_request: I/O error, dev sda, sector 1388384 op 0x1:(WRITE) flags 0x0 phys_seg 2 prio class 0 [ 371.151830][ T2798] EXT4-fs warning (device sda1): ext4_end_bio:347: I/O error 10 writing to inode 16512 starting block 173549) [ 371.165643][ T2798] buffer_io_error: 343 callbacks suppressed [ 371.165657][ T2798] Buffer I/O error on device sda1, logical block 173292 [ 371.180410][ T2798] EXT4-fs warning (device sda1): ext4_end_bio:347: I/O error 10 writing to inode 16512 starting block 173550) [ 371.194607][ T2798] sd 0:0:0:0: [sda] tag#12 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT cmd_age=57s [ 371.194896][ T2017] Buffer I/O error on device sda1, logical block 173293 [ 371.210781][ T2798] sd 0:0:0:0: [sda] tag#12 CDB: Write(10) 2a 00 00 14 11 50 00 00 10 00 [ 371.225347][ T2798] blk_update_request: I/O error, dev sda, sector 1315152 op 0x1:(WRITE) flags 0x0 phys_seg 2 prio class 0 [ 371.237949][ T2798] EXT4-fs warning (device sda1): ext4_end_bio:347: I/O error 10 writing to inode 16524 starting block 164395) [ 371.251410][ T2798] Buffer I/O error on device sda1, logical block 164138 [ 371.259710][ T2798] EXT4-fs warning (device sda1): ext4_end_bio:347: I/O error 10 writing to inode 16524 starting block 164396) [ 371.273699][ T2017] Buffer I/O error on device sda1, logical block 164139 [ 371.283379][ T2798] sd 0:0:0:0: [sda] tag#11 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT cmd_age=60s [ 371.314274][ T2798] sd 0:0:0:0: [sda] tag#11 CDB: Write(10) 2a 00 00 14 0f 68 00 00 08 00 [ 371.332549][ T2798] blk_update_request: I/O error, dev sda, sector 1314664 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0 [ 371.351849][ T2798] EXT4-fs warning (device sda1): ext4_end_bio:347: I/O error 10 writing to inode 16510 starting block 164334) [ 371.368832][ T2798] Buffer I/O error on device sda1, logical block 164077 [ 371.382281][ T2798] sd 0:0:0:0: [sda] tag#10 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT cmd_age=61s [ 371.400958][ T2798] sd 0:0:0:0: [sda] tag#10 CDB: Write(10) 2a 00 00 00 29 48 00 00 10 00 [ 371.413233][ T2798] blk_update_request: I/O error, dev sda, sector 10568 op 0x1:(WRITE) flags 0x103000 phys_seg 2 prio class 0 [ 371.426856][ T2798] Buffer I/O error on dev sda1, logical block 1065, lost async page write [ 371.437118][ T2798] Buffer I/O error on dev sda1, logical block 1066, lost async page write [ 376.001060][ T72] ------------[ cut here ]------------ [ 376.009075][ T72] WARNING: CPU: 2 PID: 72 at fs/buffer.c:1128 mark_buffer_dirty+0x4fa/0x690 [ 376.009075][ T72] Kernel panic - not syncing: panic_on_warn set ... [ 376.009075][ T72] CPU: 2 PID: 72 Comm: kworker/u17:3 Not tainted 5.6.0-rc6-syzkaller #0 [ 376.047194][ T72] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 376.056654][ T72] Workqueue: writeback wb_workfn (flush-8:0) [ 376.076479][ T72] Call Trace: [ 376.076479][ T72] dump_stack+0x188/0x20d [ 376.093576][ T72] ? mark_buffer_dirty+0x480/0x690 [ 376.096664][ T72] panic+0x2e3/0x75c [ 376.096664][ T72] ? add_taint.cold+0x16/0x16 [ 376.096664][ T72] ? printk+0xba/0xed [ 376.116436][ T72] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 376.116436][ T72] ? __warn.cold+0x14/0x35 [ 376.116436][ T72] ? __warn+0xd5/0x1c8 [ 376.116436][ T72] ? mark_buffer_dirty+0x4fa/0x690 [ 376.136449][ T72] __warn.cold+0x2f/0x35 [ 376.136449][ T72] ? mark_buffer_dirty+0x4fa/0x690 [ 376.136449][ T72] report_bug+0x27b/0x2f0 [ 376.156327][ T72] do_error_trap+0x12b/0x220 [ 376.156327][ T72] ? mark_buffer_dirty+0x4fa/0x690 [ 376.156327][ T72] do_invalid_op+0x32/0x40 [ 376.156327][ T72] ? mark_buffer_dirty+0x4fa/0x690 [ 376.176223][ T72] invalid_op+0x23/0x30 [ 376.176223][ T72] RIP: 0010:mark_buffer_dirty+0x4fa/0x690 [ 376.176223][ T72] Code: 03 80 3c 02 00 0f 85 99 01 00 00 48 8b 3b be 04 00 00 00 e8 08 e5 fc ff 5b 5d 41 5c 41 5d 41 5e e9 ab d5 a9 ff e8 a6 d5 a9 ff <0f> 0b e9 4f fb ff ff e8 9a d5 a9 ff 0f 0b e9 73 fb ff ff e8 8e d5 [ 376.208354][ T72] RSP: 0018:ffffc900007f7010 EFLAGS: 00010293 [ 376.216276][ T72] RAX: ffff88802ac7d380 RBX: ffff888025fc4498 RCX: ffffffff81c84ac7 [ 376.227848][ T72] RDX: 0000000000000000 RSI: ffffffff81c84f7a RDI: 0000000000000001 [ 376.227848][ T72] RBP: 0000000000000000 R08: ffff88802ac7d380 R09: ffffed1004bf8894 [ 376.241560][ T72] R10: ffffed1004bf8893 R11: ffff888025fc449f R12: 0000000000000000 [ 376.251744][ T72] R13: 0000000000000000 R14: ffff888027b83600 R15: ffff88801de9df3c [ 376.251744][ T72] ? mark_buffer_dirty+0x47/0x690 [ 376.251744][ T72] ? mark_buffer_dirty+0x4fa/0x690 [ 376.276288][ T72] __ext4_handle_dirty_metadata+0x41d/0x7a0 [ 376.276288][ T72] ext4_mb_mark_diskspace_used+0x943/0x10e0 [ 376.276288][ T72] ? ext4_mb_regular_allocator+0xec0/0xec0 [ 376.296547][ T72] ext4_mb_new_blocks+0xb25/0x3930 [ 376.296547][ T72] ? ext4_ext_search_right+0x2c7/0xb50 [ 376.296547][ T72] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 376.316268][ T72] ext4_ext_map_blocks+0x221c/0x37d0 [ 376.316268][ T72] ? ext4_ext_release+0x10/0x10 [ 376.316268][ T72] ? lock_acquire+0x197/0x420 [ 376.316268][ T72] ? ext4_map_blocks+0x459/0x1650 [ 376.336273][ T72] ? __down_timeout+0x2d0/0x2d0 [ 376.336273][ T72] ? ext4_es_lookup_extent+0x41d/0xd30 [ 376.336273][ T72] ext4_map_blocks+0x4cb/0x1650 [ 376.356238][ T72] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 376.356238][ T72] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 376.366167][ T72] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 376.376253][ T72] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 376.376253][ T72] ext4_writepages+0x19eb/0x3080 [ 376.386279][ T72] ? ext4_mark_inode_dirty+0x900/0x900 [ 376.394223][ T72] ? __lock_acquire+0x14bd/0x3ca0 [ 376.396537][ T72] ? mark_held_locks+0xe0/0xe0 [ 376.406656][ T72] ? ext4_mark_inode_dirty+0x900/0x900 [ 376.411945][ T72] ? do_writepages+0xfa/0x2a0 [ 376.416294][ T72] do_writepages+0xfa/0x2a0 [ 376.422079][ T72] ? page_writeback_cpu_online+0x10/0x10 [ 376.424068][ T72] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 376.424068][ T72] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 376.441690][ T72] __writeback_single_inode+0x12a/0x1410 [ 376.446121][ T72] ? _raw_spin_unlock+0x24/0x40 [ 376.451913][ T72] ? wbc_attach_and_unlock_inode+0x545/0x9c0 [ 376.459241][ T72] writeback_sb_inodes+0x515/0xdd0 [ 376.464262][ T72] ? __writeback_single_inode+0x1410/0x1410 [ 376.467079][ T72] __writeback_inodes_wb+0xc3/0x250 [ 376.479035][ T72] wb_writeback+0x910/0xd90 [ 376.484372][ T72] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 376.486113][ T72] ? cpumask_next+0x3c/0x40 [ 376.496281][ T72] ? get_nr_dirty_inodes+0xd6/0x130 [ 376.496281][ T72] wb_workfn+0xa49/0x11c0 [ 376.506163][ T72] ? inode_wait_for_writeback+0x30/0x30 [ 376.512007][ T72] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 376.517348][ T72] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 376.526108][ T72] process_one_work+0x94b/0x1690 [ 376.530288][ T72] ? pwq_dec_nr_in_flight+0x310/0x310 [ 376.536694][ T72] ? do_raw_spin_lock+0x129/0x2e0 [ 376.539932][ T72] worker_thread+0x96/0xe20 [ 376.548136][ T72] ? process_one_work+0x1690/0x1690 [ 376.552123][ T72] kthread+0x357/0x430 [ 376.558781][ T72] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 376.565180][ T72] ret_from_fork+0x24/0x30 [ 376.568499][ T72] Kernel Offset: disabled [ 376.568499][ T72] Rebooting in 86400 seconds..