Warning: Permanently added '10.128.10.53' (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 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 [ 78.886290][ T515] ------------[ cut here ]------------ [ 78.892000][ T515] Trying to write to read-only block-device sda1 (partno 1) [ 78.900425][ T515] WARNING: CPU: 1 PID: 515 at block/blk-core.c:704 submit_bio_checks+0x165c/0x1aa0 [ 78.910484][ T515] Modules linked in: [ 78.914401][ T515] CPU: 0 PID: 515 Comm: kworker/u4:7 Not tainted 5.13.0-rc7-syzkaller #0 [ 78.923094][ T515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.933819][ T515] Workqueue: writeback wb_workfn (flush-8:0) [ 78.954525][ T515] RIP: 0010:submit_bio_checks+0x165c/0x1aa0 [ 78.960614][ T515] Code: 00 00 45 0f b6 a4 24 e0 05 00 00 48 8d 74 24 60 48 89 ef e8 76 42 fe ff 48 c7 c7 a0 d9 c0 89 48 89 c6 44 89 e2 e8 3f 34 1c 05 <0f> 0b e9 36 f3 ff ff e8 e8 8f bb fd 0f 0b e9 bf f1 ff ff e8 dc 8f executing program [ 78.982100][ T515] RSP: 0018:ffffc90002abf0d0 EFLAGS: 00010282 [ 78.988483][ T515] RAX: 0000000000000000 RBX: ffff888145fa1bc0 RCX: 0000000000000000 [ 78.996646][ T515] RDX: ffff888016aad4c0 RSI: ffffffff815ce185 RDI: fffff52000557e0c [ 79.005431][ T515] RBP: ffff8880220f4c80 R08: 0000000000000000 R09: 0000000000000000 [ 79.017212][ T515] R10: ffffffff815c7fee R11: 0000000000000000 R12: 0000000000000001 [ 79.026433][ T515] R13: ffff8880220f4c90 R14: ffff88823bc44000 R15: ffff888145fa20c4 executing program [ 79.034420][ T515] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 79.043644][ T515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.051035][ T515] CR2: 000055665e848928 CR3: 000000002027e000 CR4: 0000000000350ef0 [ 79.059375][ T515] Call Trace: [ 79.062897][ T515] ? trace_event_raw_event_block_rq_requeue+0x510/0x510 [ 79.070415][ T515] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 79.076789][ T515] ? mark_buffer_dirty+0x145/0x5d0 [ 79.082064][ T515] submit_bio_noacct+0x81/0xf20 [ 79.087630][ T515] ? __brelse+0x84/0xa0 [ 79.095191][ T515] ? ext4_mark_iloc_dirty+0x1c60/0x38c0 [ 79.100823][ T515] ? blk_queue_enter+0xb50/0xb50 [ 79.105929][ T515] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.112210][ T515] ? ext4_reserve_inode_write+0x114/0x230 [ 79.118477][ T515] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 79.124264][ T515] ? mpage_release_unused_pages+0x5e1/0x880 [ 79.130438][ T515] submit_bio+0x263/0x5e0 executing program [ 79.135257][ T515] ? submit_bio_noacct+0xf20/0xf20 [ 79.140385][ T515] ? up_write+0x191/0x560 [ 79.147216][ T515] ? downgrade_write+0x3a0/0x3a0 [ 79.152250][ T515] ? down_write_killable+0x170/0x170 [ 79.158544][ T515] ext4_io_submit+0x181/0x210 [ 79.163310][ T515] ext4_writepages+0x1370/0x3b70 [ 79.169141][ T515] ? __ext4_mark_inode_dirty+0x8d0/0x8d0 [ 79.175672][ T515] ? __ext4_mark_inode_dirty+0x8d0/0x8d0 [ 79.181768][ T515] do_writepages+0xec/0x290 executing program [ 79.186640][ T515] ? writeback_set_ratelimit+0x150/0x150 [ 79.192309][ T515] ? lock_downgrade+0x6e0/0x6e0 [ 79.197613][ T515] ? writeback_sb_inodes+0x3a6/0xef0 [ 79.202926][ T515] __writeback_single_inode+0x126/0xfd0 [ 79.208936][ T515] ? wbc_attach_and_unlock_inode+0x117/0x9e0 [ 79.224146][ T515] writeback_sb_inodes+0x53d/0xef0 [ 79.229782][ T515] ? __writeback_single_inode+0xfd0/0xfd0 executing program [ 79.236014][ T515] __writeback_inodes_wb+0xc6/0x280 [ 79.241251][ T515] wb_writeback+0x814/0xc40 [ 79.246031][ T515] ? __writeback_inodes_wb+0x280/0x280 [ 79.251736][ T515] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 79.258075][ T515] ? cpumask_next+0xa4/0xf0 [ 79.262818][ T515] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 79.268747][ T515] ? get_nr_dirty_inodes+0x16f/0x210 [ 79.274194][ T515] wb_workfn+0x891/0x12d0 [ 79.279244][ T515] ? inode_wait_for_writeback+0x30/0x30 [ 79.286595][ T515] ? lock_release+0x720/0x720 [ 79.291370][ T515] process_one_work+0x98d/0x1600 [ 79.297449][ T515] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.302904][ T515] ? rwlock_bug.part.0+0x90/0x90 [ 79.308032][ T515] ? _raw_spin_lock_irq+0x41/0x50 [ 79.313100][ T515] worker_thread+0x64c/0x1120 [ 79.318427][ T515] ? __kthread_parkme+0x13f/0x1e0 [ 79.323446][ T515] ? process_one_work+0x1600/0x1600 [ 79.328684][ T515] kthread+0x3b1/0x4a0 [ 79.332751][ T515] ? __kthread_bind_mask+0xc0/0xc0 [ 79.338264][ T515] ret_from_fork+0x1f/0x30 [ 79.342715][ T515] Kernel panic - not syncing: panic_on_warn set ... [ 79.349285][ T515] CPU: 0 PID: 515 Comm: kworker/u4:7 Not tainted 5.13.0-rc7-syzkaller #0 [ 79.357682][ T515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.367719][ T515] Workqueue: writeback wb_workfn (flush-8:0) [ 79.373712][ T515] Call Trace: [ 79.376989][ T515] dump_stack+0x141/0x1d7 [ 79.381324][ T515] panic+0x306/0x73d [ 79.385205][ T515] ? __warn_printk+0xf3/0xf3 [ 79.389792][ T515] ? __warn.cold+0x1a/0x44 [ 79.394197][ T515] ? submit_bio_checks+0x165c/0x1aa0 [ 79.399469][ T515] __warn.cold+0x35/0x44 [ 79.403698][ T515] ? submit_bio_checks+0x165c/0x1aa0 [ 79.408968][ T515] report_bug+0x1bd/0x210 [ 79.413289][ T515] handle_bug+0x3c/0x60 [ 79.417429][ T515] exc_invalid_op+0x14/0x40 [ 79.421918][ T515] asm_exc_invalid_op+0x12/0x20 [ 79.426751][ T515] RIP: 0010:submit_bio_checks+0x165c/0x1aa0 [ 79.432627][ T515] Code: 00 00 45 0f b6 a4 24 e0 05 00 00 48 8d 74 24 60 48 89 ef e8 76 42 fe ff 48 c7 c7 a0 d9 c0 89 48 89 c6 44 89 e2 e8 3f 34 1c 05 <0f> 0b e9 36 f3 ff ff e8 e8 8f bb fd 0f 0b e9 bf f1 ff ff e8 dc 8f [ 79.452218][ T515] RSP: 0018:ffffc90002abf0d0 EFLAGS: 00010282 [ 79.458275][ T515] RAX: 0000000000000000 RBX: ffff888145fa1bc0 RCX: 0000000000000000 [ 79.466229][ T515] RDX: ffff888016aad4c0 RSI: ffffffff815ce185 RDI: fffff52000557e0c [ 79.474192][ T515] RBP: ffff8880220f4c80 R08: 0000000000000000 R09: 0000000000000000 [ 79.482147][ T515] R10: ffffffff815c7fee R11: 0000000000000000 R12: 0000000000000001 [ 79.490099][ T515] R13: ffff8880220f4c90 R14: ffff88823bc44000 R15: ffff888145fa20c4 [ 79.498060][ T515] ? wake_up_klogd.part.0+0x8e/0xd0 [ 79.503254][ T515] ? vprintk+0x95/0x260 [ 79.507418][ T515] ? trace_event_raw_event_block_rq_requeue+0x510/0x510 [ 79.514342][ T515] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 79.520571][ T515] ? mark_buffer_dirty+0x145/0x5d0 [ 79.525686][ T515] submit_bio_noacct+0x81/0xf20 [ 79.530519][ T515] ? __brelse+0x84/0xa0 [ 79.534655][ T515] ? ext4_mark_iloc_dirty+0x1c60/0x38c0 [ 79.540204][ T515] ? blk_queue_enter+0xb50/0xb50 [ 79.545139][ T515] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.551364][ T515] ? ext4_reserve_inode_write+0x114/0x230 [ 79.557066][ T515] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 79.562772][ T515] ? mpage_release_unused_pages+0x5e1/0x880 [ 79.568655][ T515] submit_bio+0x263/0x5e0 [ 79.572969][ T515] ? submit_bio_noacct+0xf20/0xf20 [ 79.578067][ T515] ? up_write+0x191/0x560 [ 79.582388][ T515] ? downgrade_write+0x3a0/0x3a0 [ 79.587319][ T515] ? down_write_killable+0x170/0x170 [ 79.592596][ T515] ext4_io_submit+0x181/0x210 [ 79.597262][ T515] ext4_writepages+0x1370/0x3b70 [ 79.602213][ T515] ? __ext4_mark_inode_dirty+0x8d0/0x8d0 [ 79.607874][ T515] ? __ext4_mark_inode_dirty+0x8d0/0x8d0 [ 79.613490][ T515] do_writepages+0xec/0x290 [ 79.617985][ T515] ? writeback_set_ratelimit+0x150/0x150 [ 79.623603][ T515] ? lock_downgrade+0x6e0/0x6e0 [ 79.628441][ T515] ? writeback_sb_inodes+0x3a6/0xef0 [ 79.633724][ T515] __writeback_single_inode+0x126/0xfd0 [ 79.639261][ T515] ? wbc_attach_and_unlock_inode+0x117/0x9e0 [ 79.645234][ T515] writeback_sb_inodes+0x53d/0xef0 [ 79.650351][ T515] ? __writeback_single_inode+0xfd0/0xfd0 [ 79.656072][ T515] __writeback_inodes_wb+0xc6/0x280 [ 79.661270][ T515] wb_writeback+0x814/0xc40 [ 79.665785][ T515] ? __writeback_inodes_wb+0x280/0x280 [ 79.671238][ T515] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 79.677468][ T515] ? cpumask_next+0xa4/0xf0 [ 79.681977][ T515] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 79.687682][ T515] ? get_nr_dirty_inodes+0x16f/0x210 [ 79.692962][ T515] wb_workfn+0x891/0x12d0 [ 79.697280][ T515] ? inode_wait_for_writeback+0x30/0x30 [ 79.702815][ T515] ? lock_release+0x720/0x720 [ 79.707493][ T515] process_one_work+0x98d/0x1600 [ 79.712424][ T515] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.717785][ T515] ? rwlock_bug.part.0+0x90/0x90 [ 79.722721][ T515] ? _raw_spin_lock_irq+0x41/0x50 [ 79.727737][ T515] worker_thread+0x64c/0x1120 [ 79.732411][ T515] ? __kthread_parkme+0x13f/0x1e0 [ 79.737418][ T515] ? process_one_work+0x1600/0x1600 [ 79.742607][ T515] kthread+0x3b1/0x4a0 [ 79.746657][ T515] ? __kthread_bind_mask+0xc0/0xc0 [ 79.751756][ T515] ret_from_fork+0x1f/0x30 [ 79.762716][ T515] Kernel Offset: disabled [ 79.767497][ T515] Rebooting in 86400 seconds..