Warning: Permanently added '10.128.0.52' (ECDSA) to the list of known hosts. executing program [ 75.836127][ T8442] ------------[ cut here ]------------ [ 75.841884][ T8442] Trying to write to read-only block-device nullb0 (partno 0) [ 75.850364][ T8442] WARNING: CPU: 0 PID: 8442 at block/blk-core.c:704 submit_bio_checks+0x165c/0x1aa0 [ 75.859910][ T8442] Modules linked in: [ 75.863851][ T8442] CPU: 0 PID: 8442 Comm: syz-executor945 Not tainted 5.12.0-next-20210504-syzkaller #0 [ 75.873700][ T8442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.887183][ T8442] RIP: 0010:submit_bio_checks+0x165c/0x1aa0 [ 75.893490][ T8442] Code: 00 00 45 0f b6 a4 24 e0 05 00 00 48 8d 74 24 60 48 89 ef e8 16 36 fe ff 48 c7 c7 60 e5 c0 89 48 89 c6 44 89 e2 e8 b7 b0 1b 05 <0f> 0b e9 36 f3 ff ff e8 e8 e3 bb fd 0f 0b e9 bf f1 ff ff e8 dc e3 [ 75.915492][ T8442] RSP: 0018:ffffc90000f0f318 EFLAGS: 00010282 [ 75.921942][ T8442] RAX: 0000000000000000 RBX: ffff8881461e4560 RCX: 0000000000000000 [ 75.930734][ T8442] RDX: ffff888024560000 RSI: ffffffff815cc9f5 RDI: fffff520001e1e55 [ 75.939916][ T8442] RBP: ffff888015bee280 R08: 0000000000000000 R09: 0000000000000000 [ 75.947955][ T8442] R10: ffffffff815c685e R11: 0000000000000000 R12: 0000000000000000 [ 75.956574][ T8442] R13: ffff888015bee290 R14: ffff88801e4ce780 R15: ffff8881461e4a64 [ 75.964730][ T8442] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 75.973909][ T8442] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.980863][ T8442] CR2: 00007fe25a5b7000 CR3: 000000002fa1b000 CR4: 00000000001506e0 [ 75.989190][ T8442] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.997207][ T8442] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.005297][ T8442] Call Trace: [ 76.008632][ T8442] ? trace_event_raw_event_block_rq_requeue+0x510/0x510 [ 76.015682][ T8442] ? __lock_acquire+0xb3a/0x5230 [ 76.020816][ T8442] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.027012][ T8442] submit_bio_noacct+0x81/0xf20 [ 76.032020][ T8442] ? blk_queue_enter+0xb50/0xb50 [ 76.037013][ T8442] ? bio_associate_blkg_from_css+0x563/0xf60 [ 76.043531][ T8442] ? lock_downgrade+0x6e0/0x6e0 [ 76.048441][ T8442] submit_bio+0x263/0x5e0 [ 76.052950][ T8442] ? submit_bio_noacct+0xf20/0xf20 [ 76.058441][ T8442] ? bio_add_page+0x23d/0x2f0 [ 76.063257][ T8442] ? __bio_add_page+0x610/0x610 [ 76.068303][ T8442] submit_bh_wbc+0x5eb/0x7f0 [ 76.073043][ T8442] __block_write_full_page+0x86c/0x1340 [ 76.078635][ T8442] ? bdev_evict_inode+0x460/0x460 [ 76.083912][ T8442] block_write_full_page+0x14d/0x190 [ 76.089307][ T8442] ? bdev_evict_inode+0x460/0x460 [ 76.094492][ T8442] __writepage+0x60/0x180 [ 76.098952][ T8442] write_cache_pages+0x759/0x11a0 [ 76.104024][ T8442] ? tag_pages_for_writeback+0x450/0x450 [ 76.109775][ T8442] ? clear_page_dirty_for_io+0xa10/0xa10 [ 76.115816][ T8442] ? mark_lock+0xef/0x17b0 [ 76.120373][ T8442] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.126611][ T8442] ? entry_SYSCALL_64+0x1/0x15 [ 76.131516][ T8442] ? lock_chain_count+0x20/0x20 [ 76.136427][ T8442] ? __lock_acquire+0x16a7/0x5230 [ 76.142105][ T8442] ? blkdev_readahead+0x20/0x20 [ 76.146991][ T8442] generic_writepages+0xe2/0x150 [ 76.152069][ T8442] ? write_cache_pages+0x11a0/0x11a0 [ 76.157393][ T8442] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.163510][ T8442] ? find_held_lock+0x2d/0x110 [ 76.168499][ T8442] do_writepages+0xec/0x290 [ 76.173204][ T8442] ? writeback_set_ratelimit+0x150/0x150 [ 76.178966][ T8442] ? do_raw_spin_lock+0x120/0x2b0 [ 76.184041][ T8442] ? do_raw_spin_unlock+0x171/0x230 [ 76.189393][ T8442] ? _raw_spin_unlock+0x24/0x40 [ 76.194288][ T8442] ? wbc_attach_and_unlock_inode+0x117/0x9e0 [ 76.200560][ T8442] __filemap_fdatawrite_range+0x2a5/0x390 [ 76.206371][ T8442] ? delete_from_page_cache_batch+0xe20/0xe20 [ 76.212791][ T8442] ? blkdev_put+0x86/0x580 [ 76.217241][ T8442] ? lock_downgrade+0x6e0/0x6e0 [ 76.222222][ T8442] filemap_write_and_wait_range+0x65/0x100 [ 76.228084][ T8442] __blkdev_put+0x64b/0x790 [ 76.232761][ T8442] ? __mutex_unlock_slowpath+0xe2/0x610 [ 76.238350][ T8442] ? freeze_bdev+0x250/0x250 [ 76.243038][ T8442] ? wait_for_completion_io+0x270/0x270 [ 76.248626][ T8442] ? _raw_spin_unlock+0x24/0x40 [ 76.253642][ T8442] ? locks_remove_file+0x312/0x560 [ 76.258935][ T8442] blkdev_put+0x92/0x580 [ 76.263227][ T8442] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 76.269590][ T8442] blkdev_close+0x8c/0xb0 [ 76.273978][ T8442] __fput+0x288/0x920 [ 76.277970][ T8442] ? blkdev_put+0x580/0x580 [ 76.282621][ T8442] task_work_run+0xdd/0x1a0 [ 76.287190][ T8442] do_exit+0xbfc/0x2a60 [ 76.291472][ T8442] ? mm_update_next_owner+0x7a0/0x7a0 [ 76.296877][ T8442] ? lock_downgrade+0x6e0/0x6e0 [ 76.301849][ T8442] ? lock_downgrade+0x6e0/0x6e0 [ 76.306754][ T8442] do_group_exit+0x125/0x310 [ 76.311641][ T8442] __x64_sys_exit_group+0x3a/0x50 [ 76.317108][ T8442] do_syscall_64+0x3a/0xb0 [ 76.321826][ T8442] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.327898][ T8442] RIP: 0033:0x43da99 [ 76.331976][ T8442] Code: Unable to access opcode bytes at RIP 0x43da6f. [ 76.339026][ T8442] RSP: 002b:00007ffd5c98c048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 76.347478][ T8442] RAX: ffffffffffffffda RBX: 00000000004ae230 RCX: 000000000043da99 [ 76.355810][ T8442] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 76.363915][ T8442] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000400488 [ 76.372136][ T8442] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004ae230 [ 76.380298][ T8442] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 76.388316][ T8442] Kernel panic - not syncing: panic_on_warn set ... [ 76.394914][ T8442] CPU: 1 PID: 8442 Comm: syz-executor945 Not tainted 5.12.0-next-20210504-syzkaller #0 [ 76.404548][ T8442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.414979][ T8442] Call Trace: [ 76.418263][ T8442] dump_stack+0x141/0x1d7 [ 76.422602][ T8442] panic+0x306/0x73d [ 76.426786][ T8442] ? __warn_printk+0xf3/0xf3 [ 76.431535][ T8442] ? __warn.cold+0x1a/0x44 [ 76.436011][ T8442] ? submit_bio_checks+0x165c/0x1aa0 [ 76.441312][ T8442] __warn.cold+0x35/0x44 [ 76.445585][ T8442] ? wake_up_klogd.part.0+0x8e/0xd0 [ 76.450829][ T8442] ? submit_bio_checks+0x165c/0x1aa0 [ 76.456122][ T8442] report_bug+0x1bd/0x210 [ 76.460466][ T8442] handle_bug+0x3c/0x60 [ 76.464731][ T8442] exc_invalid_op+0x14/0x40 [ 76.469268][ T8442] asm_exc_invalid_op+0x12/0x20 [ 76.474147][ T8442] RIP: 0010:submit_bio_checks+0x165c/0x1aa0 [ 76.480055][ T8442] Code: 00 00 45 0f b6 a4 24 e0 05 00 00 48 8d 74 24 60 48 89 ef e8 16 36 fe ff 48 c7 c7 60 e5 c0 89 48 89 c6 44 89 e2 e8 b7 b0 1b 05 <0f> 0b e9 36 f3 ff ff e8 e8 e3 bb fd 0f 0b e9 bf f1 ff ff e8 dc e3 [ 76.499778][ T8442] RSP: 0018:ffffc90000f0f318 EFLAGS: 00010282 [ 76.505889][ T8442] RAX: 0000000000000000 RBX: ffff8881461e4560 RCX: 0000000000000000 [ 76.513876][ T8442] RDX: ffff888024560000 RSI: ffffffff815cc9f5 RDI: fffff520001e1e55 [ 76.521866][ T8442] RBP: ffff888015bee280 R08: 0000000000000000 R09: 0000000000000000 [ 76.529859][ T8442] R10: ffffffff815c685e R11: 0000000000000000 R12: 0000000000000000 [ 76.537846][ T8442] R13: ffff888015bee290 R14: ffff88801e4ce780 R15: ffff8881461e4a64 [ 76.545828][ T8442] ? wake_up_klogd.part.0+0x8e/0xd0 [ 76.551049][ T8442] ? vprintk+0x95/0x260 [ 76.555233][ T8442] ? submit_bio_checks+0x165c/0x1aa0 [ 76.560551][ T8442] ? trace_event_raw_event_block_rq_requeue+0x510/0x510 [ 76.567518][ T8442] ? __lock_acquire+0xb3a/0x5230 [ 76.572568][ T8442] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.578579][ T8442] submit_bio_noacct+0x81/0xf20 [ 76.583453][ T8442] ? blk_queue_enter+0xb50/0xb50 [ 76.588413][ T8442] ? bio_associate_blkg_from_css+0x563/0xf60 [ 76.594424][ T8442] ? lock_downgrade+0x6e0/0x6e0 [ 76.599289][ T8442] submit_bio+0x263/0x5e0 [ 76.603632][ T8442] ? submit_bio_noacct+0xf20/0xf20 [ 76.608816][ T8442] ? bio_add_page+0x23d/0x2f0 [ 76.613710][ T8442] ? __bio_add_page+0x610/0x610 [ 76.619065][ T8442] submit_bh_wbc+0x5eb/0x7f0 [ 76.623874][ T8442] __block_write_full_page+0x86c/0x1340 [ 76.629556][ T8442] ? bdev_evict_inode+0x460/0x460 [ 76.634590][ T8442] block_write_full_page+0x14d/0x190 [ 76.639896][ T8442] ? bdev_evict_inode+0x460/0x460 [ 76.644947][ T8442] __writepage+0x60/0x180 [ 76.649301][ T8442] write_cache_pages+0x759/0x11a0 [ 76.654452][ T8442] ? tag_pages_for_writeback+0x450/0x450 [ 76.660108][ T8442] ? clear_page_dirty_for_io+0xa10/0xa10 [ 76.665763][ T8442] ? mark_lock+0xef/0x17b0 [ 76.670277][ T8442] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.676321][ T8442] ? entry_SYSCALL_64+0x1/0x15 [ 76.681099][ T8442] ? lock_chain_count+0x20/0x20 [ 76.686011][ T8442] ? __lock_acquire+0x16a7/0x5230 [ 76.691049][ T8442] ? blkdev_readahead+0x20/0x20 [ 76.695948][ T8442] generic_writepages+0xe2/0x150 [ 76.700913][ T8442] ? write_cache_pages+0x11a0/0x11a0 [ 76.706208][ T8442] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.712219][ T8442] ? find_held_lock+0x2d/0x110 [ 76.717094][ T8442] do_writepages+0xec/0x290 [ 76.721625][ T8442] ? writeback_set_ratelimit+0x150/0x150 [ 76.727276][ T8442] ? do_raw_spin_lock+0x120/0x2b0 [ 76.732310][ T8442] ? do_raw_spin_unlock+0x171/0x230 [ 76.737635][ T8442] ? _raw_spin_unlock+0x24/0x40 [ 76.742519][ T8442] ? wbc_attach_and_unlock_inode+0x117/0x9e0 [ 76.748508][ T8442] __filemap_fdatawrite_range+0x2a5/0x390 [ 76.754248][ T8442] ? delete_from_page_cache_batch+0xe20/0xe20 [ 76.760357][ T8442] ? blkdev_put+0x86/0x580 [ 76.764788][ T8442] ? lock_downgrade+0x6e0/0x6e0 [ 76.769845][ T8442] filemap_write_and_wait_range+0x65/0x100 [ 76.775671][ T8442] __blkdev_put+0x64b/0x790 [ 76.780183][ T8442] ? __mutex_unlock_slowpath+0xe2/0x610 [ 76.785738][ T8442] ? freeze_bdev+0x250/0x250 [ 76.790333][ T8442] ? wait_for_completion_io+0x270/0x270 [ 76.795903][ T8442] ? _raw_spin_unlock+0x24/0x40 [ 76.800977][ T8442] ? locks_remove_file+0x312/0x560 [ 76.806143][ T8442] blkdev_put+0x92/0x580 [ 76.810462][ T8442] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 76.816841][ T8442] blkdev_close+0x8c/0xb0 [ 76.821187][ T8442] __fput+0x288/0x920 [ 76.825190][ T8442] ? blkdev_put+0x580/0x580 [ 76.829710][ T8442] task_work_run+0xdd/0x1a0 [ 76.834228][ T8442] do_exit+0xbfc/0x2a60 [ 76.838543][ T8442] ? mm_update_next_owner+0x7a0/0x7a0 [ 76.843999][ T8442] ? lock_downgrade+0x6e0/0x6e0 [ 76.848893][ T8442] ? lock_downgrade+0x6e0/0x6e0 [ 76.853796][ T8442] do_group_exit+0x125/0x310 [ 76.858394][ T8442] __x64_sys_exit_group+0x3a/0x50 [ 76.863436][ T8442] do_syscall_64+0x3a/0xb0 [ 76.867862][ T8442] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.873774][ T8442] RIP: 0033:0x43da99 [ 76.877875][ T8442] Code: Unable to access opcode bytes at RIP 0x43da6f. [ 76.885122][ T8442] RSP: 002b:00007ffd5c98c048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 76.894419][ T8442] RAX: ffffffffffffffda RBX: 00000000004ae230 RCX: 000000000043da99 [ 76.902436][ T8442] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 76.910546][ T8442] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000400488 [ 76.918519][ T8442] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004ae230 [ 76.926506][ T8442] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 76.935187][ T8442] Kernel Offset: disabled [ 76.939624][ T8442] Rebooting in 86400 seconds..