Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 82.956275][ T9] ------------[ cut here ]------------ [ 82.962108][ T9] Trying to write to read-only block-device sda1 (partno 1) [ 82.970907][ T9] WARNING: CPU: 0 PID: 9 at block/blk-core.c:704 submit_bio_checks+0x1627/0x1aa0 [ 82.980142][ T9] Modules linked in: [ 82.984040][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-rc6-next-20210409-syzkaller #0 [ 82.994524][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program [ 83.004885][ T9] Workqueue: writeback wb_workfn (flush-8:0) [ 83.013607][ T9] RIP: 0010:submit_bio_checks+0x1627/0x1aa0 [ 83.026532][ T9] Code: 00 00 45 0f b6 a4 24 e0 05 00 00 48 8d 74 24 60 48 89 ef e8 eb 3e fe ff 48 c7 c7 e0 8c c0 89 48 89 c6 44 89 e2 e8 86 35 17 05 <0f> 0b e9 6b f3 ff ff e8 3d eb bc fd e8 78 40 58 05 31 ff 89 c3 89 [ 83.047191][ T9] RSP: 0018:ffffc90000ce70a8 EFLAGS: 00010286 executing program [ 83.053303][ T9] RAX: 0000000000000000 RBX: ffff88801b211bc0 RCX: 0000000000000000 [ 83.061889][ T9] RDX: ffff888011ba0000 RSI: ffffffff815c3165 RDI: fffff5200019ce07 [ 83.071293][ T9] RBP: ffff8880173b8000 R08: 0000000000000000 R09: 0000000000000000 [ 83.079402][ T9] R10: ffffffff815bcfae R11: 0000000000000000 R12: 0000000000000001 [ 83.087718][ T9] R13: ffff8880173b8010 R14: ffff888142115c00 R15: ffff88801b2120c4 executing program [ 83.100651][ T9] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 83.109995][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.116780][ T9] CR2: 00005579533bb908 CR3: 000000000bc8e000 CR4: 00000000001506f0 [ 83.125132][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.134073][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.143023][ T9] Call Trace: [ 83.146450][ T9] ? trace_event_raw_event_block_rq_requeue+0x510/0x510 [ 83.153604][ T9] ? __lock_acquire+0xb3a/0x5230 [ 83.162486][ T9] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 83.175826][ T9] submit_bio_noacct+0x81/0xf20 [ 83.180713][ T9] ? blk_queue_enter+0xb60/0xb60 [ 83.189072][ T9] ? bio_associate_blkg_from_css+0x4fc/0xf70 [ 83.195747][ T9] ? lock_downgrade+0x6e0/0x6e0 [ 83.200652][ T9] submit_bio+0x263/0x5e0 executing program [ 83.204976][ T9] ? submit_bio_noacct+0xf20/0xf20 [ 83.213720][ T9] ? bio_add_page+0x186/0x1f0 [ 83.218752][ T9] ? __bio_try_merge_page+0x350/0x350 [ 83.224166][ T9] submit_bh_wbc+0x5eb/0x7f0 [ 83.229254][ T9] __block_write_full_page+0x86c/0x1340 [ 83.234839][ T9] ? bdev_evict_inode+0x470/0x470 [ 83.251150][ T9] block_write_full_page+0x14d/0x190 executing program [ 83.260785][ T9] ? bdev_evict_inode+0x470/0x470 [ 83.267222][ T9] __writepage+0x60/0x180 [ 83.271560][ T9] write_cache_pages+0x759/0x11a0 [ 83.276996][ T9] ? tag_pages_for_writeback+0x440/0x440 [ 83.282697][ T9] ? clear_page_dirty_for_io+0xa20/0xa20 [ 83.288719][ T9] ? blkdev_readahead+0x20/0x20 [ 83.293602][ T9] generic_writepages+0xe2/0x150 [ 83.298833][ T9] ? write_cache_pages+0x11a0/0x11a0 [ 83.304145][ T9] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 83.316358][ T9] do_writepages+0xec/0x290 [ 83.320908][ T9] ? writeback_set_ratelimit+0x150/0x150 [ 83.330853][ T9] ? lock_downgrade+0x6e0/0x6e0 [ 83.339802][ T9] ? writeback_sb_inodes+0x3a6/0xf00 [ 83.345146][ T9] __writeback_single_inode+0x126/0xff0 [ 83.350874][ T9] ? wbc_attach_and_unlock_inode+0x117/0x9e0 [ 83.357124][ T9] writeback_sb_inodes+0x53d/0xf00 executing program [ 83.362263][ T9] ? __writeback_single_inode+0xff0/0xff0 [ 83.368134][ T9] __writeback_inodes_wb+0xc6/0x280 [ 83.373558][ T9] wb_writeback+0x814/0xc50 [ 83.379649][ T9] ? __writeback_inodes_wb+0x280/0x280 [ 83.385145][ T9] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 83.392719][ T9] ? cpumask_next+0xa4/0xf0 [ 83.398806][ T9] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 83.404592][ T9] ? get_nr_dirty_inodes+0x16f/0x210 [ 83.410908][ T9] wb_workfn+0x8cf/0x12d0 [ 83.416746][ T9] ? inode_wait_for_writeback+0x30/0x30 [ 83.422324][ T9] ? lock_release+0x720/0x720 [ 83.427806][ T9] process_one_work+0x98d/0x1600 [ 83.432757][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 83.438945][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 83.443887][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 83.450009][ T9] worker_thread+0x64c/0x1120 [ 83.454802][ T9] ? process_one_work+0x1600/0x1600 [ 83.460923][ T9] kthread+0x3b1/0x4a0 executing program [ 83.466998][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 83.472325][ T9] ret_from_fork+0x1f/0x30 [ 83.492897][ T9] Kernel panic - not syncing: panic_on_warn set ... [ 83.499500][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-rc6-next-20210409-syzkaller #0 [ 83.508948][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.519007][ T9] Workqueue: writeback wb_workfn (flush-8:0) [ 83.524994][ T9] Call Trace: [ 83.528276][ T9] dump_stack+0x141/0x1d7 [ 83.532616][ T9] panic+0x306/0x73d [ 83.536505][ T9] ? __warn_printk+0xf3/0xf3 [ 83.541108][ T9] ? __warn.cold+0x1a/0x44 [ 83.545519][ T9] ? submit_bio_checks+0x1627/0x1aa0 [ 83.550803][ T9] __warn.cold+0x35/0x44 [ 83.555039][ T9] ? wake_up_klogd.part.0+0x8e/0xd0 [ 83.560246][ T9] ? submit_bio_checks+0x1627/0x1aa0 [ 83.565525][ T9] report_bug+0x1bd/0x210 [ 83.569851][ T9] handle_bug+0x3c/0x60 [ 83.574001][ T9] exc_invalid_op+0x14/0x40 [ 83.578493][ T9] asm_exc_invalid_op+0x12/0x20 [ 83.583332][ T9] RIP: 0010:submit_bio_checks+0x1627/0x1aa0 [ 83.589227][ T9] Code: 00 00 45 0f b6 a4 24 e0 05 00 00 48 8d 74 24 60 48 89 ef e8 eb 3e fe ff 48 c7 c7 e0 8c c0 89 48 89 c6 44 89 e2 e8 86 35 17 05 <0f> 0b e9 6b f3 ff ff e8 3d eb bc fd e8 78 40 58 05 31 ff 89 c3 89 [ 83.608823][ T9] RSP: 0018:ffffc90000ce70a8 EFLAGS: 00010286 [ 83.614885][ T9] RAX: 0000000000000000 RBX: ffff88801b211bc0 RCX: 0000000000000000 [ 83.622842][ T9] RDX: ffff888011ba0000 RSI: ffffffff815c3165 RDI: fffff5200019ce07 [ 83.630801][ T9] RBP: ffff8880173b8000 R08: 0000000000000000 R09: 0000000000000000 [ 83.638759][ T9] R10: ffffffff815bcfae R11: 0000000000000000 R12: 0000000000000001 [ 83.646718][ T9] R13: ffff8880173b8010 R14: ffff888142115c00 R15: ffff88801b2120c4 [ 83.654684][ T9] ? wake_up_klogd.part.0+0x8e/0xd0 [ 83.659886][ T9] ? vprintk+0x95/0x260 [ 83.664040][ T9] ? submit_bio_checks+0x1627/0x1aa0 [ 83.669331][ T9] ? trace_event_raw_event_block_rq_requeue+0x510/0x510 [ 83.676264][ T9] ? __lock_acquire+0xb3a/0x5230 [ 83.681193][ T9] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 83.687172][ T9] submit_bio_noacct+0x81/0xf20 [ 83.692033][ T9] ? blk_queue_enter+0xb60/0xb60 [ 83.696965][ T9] ? bio_associate_blkg_from_css+0x4fc/0xf70 [ 83.702942][ T9] ? lock_downgrade+0x6e0/0x6e0 [ 83.707811][ T9] submit_bio+0x263/0x5e0 [ 83.712135][ T9] ? submit_bio_noacct+0xf20/0xf20 [ 83.717240][ T9] ? bio_add_page+0x186/0x1f0 [ 83.721912][ T9] ? __bio_try_merge_page+0x350/0x350 [ 83.727296][ T9] submit_bh_wbc+0x5eb/0x7f0 [ 83.731885][ T9] __block_write_full_page+0x86c/0x1340 [ 83.737426][ T9] ? bdev_evict_inode+0x470/0x470 [ 83.742449][ T9] block_write_full_page+0x14d/0x190 [ 83.747730][ T9] ? bdev_evict_inode+0x470/0x470 [ 83.752752][ T9] __writepage+0x60/0x180 [ 83.757074][ T9] write_cache_pages+0x759/0x11a0 [ 83.762093][ T9] ? tag_pages_for_writeback+0x440/0x440 [ 83.767720][ T9] ? clear_page_dirty_for_io+0xa20/0xa20 [ 83.773374][ T9] ? blkdev_readahead+0x20/0x20 [ 83.778242][ T9] generic_writepages+0xe2/0x150 [ 83.783170][ T9] ? write_cache_pages+0x11a0/0x11a0 [ 83.788446][ T9] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 83.794429][ T9] do_writepages+0xec/0x290 [ 83.798937][ T9] ? writeback_set_ratelimit+0x150/0x150 [ 83.804561][ T9] ? lock_downgrade+0x6e0/0x6e0 [ 83.809405][ T9] ? writeback_sb_inodes+0x3a6/0xf00 [ 83.814700][ T9] __writeback_single_inode+0x126/0xff0 [ 83.820248][ T9] ? wbc_attach_and_unlock_inode+0x117/0x9e0 [ 83.826223][ T9] writeback_sb_inodes+0x53d/0xf00 [ 83.831348][ T9] ? __writeback_single_inode+0xff0/0xff0 [ 83.837095][ T9] __writeback_inodes_wb+0xc6/0x280 [ 83.842294][ T9] wb_writeback+0x814/0xc50 [ 83.846793][ T9] ? __writeback_inodes_wb+0x280/0x280 [ 83.852251][ T9] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 83.858482][ T9] ? cpumask_next+0xa4/0xf0 [ 83.862976][ T9] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 83.868688][ T9] ? get_nr_dirty_inodes+0x16f/0x210 [ 83.873968][ T9] wb_workfn+0x8cf/0x12d0 [ 83.878297][ T9] ? inode_wait_for_writeback+0x30/0x30 [ 83.883839][ T9] ? lock_release+0x720/0x720 [ 83.888522][ T9] process_one_work+0x98d/0x1600 [ 83.893457][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 83.898826][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 83.903758][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 83.908785][ T9] worker_thread+0x64c/0x1120 [ 83.913466][ T9] ? process_one_work+0x1600/0x1600 [ 83.918656][ T9] kthread+0x3b1/0x4a0 [ 83.922718][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 83.927826][ T9] ret_from_fork+0x1f/0x30 [ 83.933100][ T9] Kernel Offset: disabled [ 83.937566][ T9] Rebooting in 86400 seconds..