Resetting rate control (1802499 samples) [ 243.452049][ T2799] sd 0:0:0:0: [sda] tag#2 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT cmd_age=41s [ 243.561690][ T2799] sd 0:0:0:0: [sda] tag#2 CDB: Write(10) 2a 00 00 00 08 38 00 00 08 00 [ 243.650976][ T2799] blk_update_request: I/O error, dev sda, sector 2104 op 0x1:(WRITE) flags 0x103000 phys_seg 1 prio class 0 [ 243.723533][ T2799] Buffer I/O error on dev sda1, logical block 7, lost async page write [ 243.763786][ T2799] sd 0:0:0:0: [sda] tag#1 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT cmd_age=41s [ 243.810923][ T2799] sd 0:0:0:0: [sda] tag#1 CDB: Write(10) 2a 00 00 00 08 08 00 00 08 00 [ 243.848411][ T2799] blk_update_request: I/O error, dev sda, sector 2056 op 0x1:(WRITE) flags 0x103000 phys_seg 1 prio class 0 [ 243.905736][ T2799] Buffer I/O error on dev sda1, logical block 1, lost async page write Warning: Permanently added '[localhost]:9854' (ECDSA) to the list of known hosts. [ 244.622715][ T7] ------------[ cut here ]------------ [ 244.622715][ T7] WARNING: CPU: 2 PID: 7 at fs/buffer.c:1128 mark_buffer_dirty+0x524/0x6c0 [ 244.622715][ T7] Kernel panic - not syncing: panic_on_warn set ... [ 244.622715][ T7] CPU: 2 PID: 7 Comm: kworker/u17:0 Not tainted 5.6.0-rc2-syzkaller #0 [ 244.622715][ T7] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 244.622715][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 244.622715][ T7] Call Trace: [ 244.622715][ T7] dump_stack+0x197/0x210 [ 244.622715][ T7] ? mark_buffer_dirty+0x4b0/0x6c0 [ 244.622715][ T7] panic+0x2e3/0x75c [ 244.622715][ T7] ? add_taint.cold+0x16/0x16 [ 244.622715][ T7] ? printk+0xba/0xed [ 244.622715][ T7] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 244.622715][ T7] ? __warn.cold+0x14/0x3e [ 244.622715][ T7] ? __warn+0xd9/0x1cf [ 244.622715][ T7] ? mark_buffer_dirty+0x524/0x6c0 [ 244.622715][ T7] __warn.cold+0x2f/0x3e [ 244.622715][ T7] ? report_bug.cold+0x63/0xb2 [ 244.622715][ T7] ? mark_buffer_dirty+0x524/0x6c0 [ 244.622715][ T7] report_bug+0x289/0x300 [ 244.622715][ T7] do_error_trap+0x11b/0x200 [ 244.622715][ T7] do_invalid_op+0x37/0x50 [ 244.622715][ T7] ? mark_buffer_dirty+0x524/0x6c0 [ 244.622715][ T7] invalid_op+0x23/0x30 [ 245.262655][ T7] RIP: 0010:mark_buffer_dirty+0x524/0x6c0 [ 245.262655][ T7] Code: 02 00 0f 85 9e 01 00 00 48 8b 3b be 04 00 00 00 e8 71 c9 fc ff e8 ec 13 a7 ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 dc 13 a7 ff <0f> 0b e9 2c fb ff ff e8 d0 13 a7 ff 0f 0b e9 53 fb ff ff e8 c4 13 [ 245.262655][ T7] RSP: 0018:ffffc900003aefb8 EFLAGS: 00010293 [ 245.262655][ T7] RAX: ffff88802c5901c0 RBX: ffff88807688d690 RCX: ffffffff81ce6e9e [ 245.262655][ T7] RDX: 0000000000000000 RSI: ffffffff81ce7374 RDI: 0000000000000001 [ 245.262655][ T7] RBP: ffffc900003aefe0 R08: ffff88802c5901c0 R09: ffffed100ed11ad3 [ 245.262655][ T7] R10: ffffed100ed11ad2 R11: ffff88807688d697 R12: 0000000000000000 [ 245.262655][ T7] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900003af108 [ 245.262655][ T7] ? mark_buffer_dirty+0x4e/0x6c0 [ 245.262655][ T7] ? mark_buffer_dirty+0x524/0x6c0 [ 245.262655][ T7] ? mark_buffer_dirty+0x524/0x6c0 [ 245.262655][ T7] __ext4_handle_dirty_metadata+0x421/0x7a0 [ 245.262655][ T7] ? percpu_counter_add_batch+0x13c/0x190 [ 245.262655][ T7] ext4_mb_mark_diskspace_used+0x9e7/0x10d0 [ 245.262655][ T7] ? ext4_mb_regular_allocator+0xff0/0xff0 [ 245.262655][ T7] ext4_mb_new_blocks+0xade/0x3900 [ 245.262655][ T7] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 245.262655][ T7] ext4_ext_map_blocks+0x23c9/0x3ac0 [ 245.262655][ T7] ? ext4_ext_release+0x10/0x10 [ 245.262655][ T7] ? lock_acquire+0x190/0x410 [ 245.262655][ T7] ? ext4_map_blocks+0x4b3/0x17e0 [ 245.262655][ T7] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.262655][ T7] ? ext4_es_lookup_extent+0x426/0xd40 [ 245.262655][ T7] ext4_map_blocks+0x52b/0x17e0 [ 245.262655][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 245.262655][ T7] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 245.262655][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 245.262655][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 245.262655][ T7] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.262655][ T7] ? ext4_alloc_io_end_vec+0x14d/0x1d0 [ 245.262655][ T7] ext4_writepages+0x19eb/0x3080 [ 245.262655][ T7] ? ext4_mark_inode_dirty+0x9c0/0x9c0 [ 245.262655][ T7] ? __kasan_check_read+0x11/0x20 [ 245.262655][ T7] ? __lock_acquire+0x16f2/0x4a00 [ 245.262655][ T7] ? __kasan_check_read+0x11/0x20 [ 245.262655][ T7] ? mark_lock+0xc2/0x1220 [ 245.262655][ T7] ? __lock_acquire+0x1/0x4a00 [ 245.262655][ T7] ? __kasan_check_read+0x11/0x20 [ 245.262655][ T7] ? ext4_mark_inode_dirty+0x9c0/0x9c0 [ 245.262655][ T7] do_writepages+0xfa/0x2a0 [ 245.262655][ T7] ? do_writepages+0xfa/0x2a0 [ 245.262655][ T7] ? page_writeback_cpu_online+0x20/0x20 [ 245.262655][ T7] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 245.262655][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 245.262655][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 245.262655][ T7] __writeback_single_inode+0x136/0x1400 [ 245.262655][ T7] ? _raw_spin_unlock+0x28/0x40 [ 245.262655][ T7] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.262655][ T7] ? wbc_attach_and_unlock_inode+0x617/0x9d0 [ 245.262655][ T7] writeback_sb_inodes+0x596/0xf20 [ 245.262655][ T7] ? __writeback_single_inode+0x1400/0x1400 [ 245.262655][ T7] ? trylock_super+0x22/0x110 [ 245.262655][ T7] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.262655][ T7] __writeback_inodes_wb+0xc3/0x260 [ 245.262655][ T7] wb_writeback+0x910/0xd90 [ 245.262655][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 245.262655][ T7] ? find_next_bit+0x2b/0x40 [ 245.262655][ T7] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 245.262655][ T7] ? get_nr_dirty_inodes+0xe2/0x140 [ 245.262655][ T7] wb_workfn+0xbc1/0x1280 [ 245.262655][ T7] ? inode_wait_for_writeback+0x40/0x40 [ 245.262655][ T7] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 245.262655][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 245.262655][ T7] ? trace_hardirqs_on+0x67/0x240 [ 245.262655][ T7] process_one_work+0xa05/0x17a0 [ 245.262655][ T7] ? mark_held_locks+0xf0/0xf0 [ 245.262655][ T7] ? pwq_dec_nr_in_flight+0x320/0x320 [ 245.262655][ T7] ? lock_acquire+0x190/0x410 [ 245.262655][ T7] worker_thread+0x98/0xe40 [ 245.262655][ T7] kthread+0x361/0x430 [ 245.262655][ T7] ? process_one_work+0x17a0/0x17a0 [ 245.262655][ T7] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 245.262655][ T7] ret_from_fork+0x24/0x30 [ 245.262655][ T7] Kernel Offset: disabled [ 245.262655][ T7] Rebooting in 86400 seconds..