Warning: Permanently added '10.128.1.57' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 75.055149][ T8444] loop0: detected capacity change from 0 to 519 [ 75.178929][ T8444] ------------[ cut here ]------------ [ 75.184432][ T8444] Trying to write to read-only block-device loop0 (partno 0) [ 75.194255][ T8444] WARNING: CPU: 0 PID: 8444 at block/blk-core.c:704 submit_bio_checks+0x1627/0x1aa0 [ 75.205137][ T8444] Modules linked in: [ 75.209951][ T8444] CPU: 0 PID: 8444 Comm: syz-executor513 Not tainted 5.13.0-rc1-next-20210511-syzkaller #0 [ 75.221097][ T8444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.232040][ T8444] RIP: 0010:submit_bio_checks+0x1627/0x1aa0 [ 75.240901][ T8444] Code: 00 00 45 0f b6 a4 24 e0 05 00 00 48 8d 74 24 60 48 89 ef e8 2b 43 fe ff 48 c7 c7 20 ea c0 89 48 89 c6 44 89 e2 e8 5d da 1c 05 <0f> 0b e9 6b f3 ff ff e8 bd b8 bb fd e8 c8 27 5e 05 31 ff 89 c3 89 [ 75.268431][ T8444] RSP: 0018:ffffc900012cf120 EFLAGS: 00010286 [ 75.274540][ T8444] RAX: 0000000000000000 RBX: ffff88801e5eef00 RCX: 0000000000000000 [ 75.283990][ T8444] RDX: ffff88802e961c80 RSI: ffffffff815cde95 RDI: fffff52000259e16 [ 75.292096][ T8444] RBP: ffff888014d8a280 R08: 0000000000000000 R09: 0000000000000000 [ 75.300398][ T8444] R10: ffffffff815c7cde R11: 0000000000000000 R12: 0000000000000000 [ 75.309454][ T8444] R13: ffff888014d8a290 R14: ffff888011416780 R15: ffff88801e5ef404 [ 75.318585][ T8444] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 75.327619][ T8444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.334216][ T8444] CR2: 000055ec66312840 CR3: 0000000014dee000 CR4: 00000000001506e0 [ 75.342291][ T8444] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.350434][ T8444] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.358482][ T8444] Call Trace: [ 75.361760][ T8444] ? __lock_acquire+0xb3a/0x5230 [ 75.366776][ T8444] ? trace_event_raw_event_block_rq_requeue+0x510/0x510 [ 75.373764][ T8444] submit_bio_noacct+0x81/0xf20 [ 75.378677][ T8444] ? blk_queue_enter+0xb60/0xb60 [ 75.383619][ T8444] ? lock_downgrade+0x6e0/0x6e0 [ 75.388544][ T8444] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 75.394798][ T8444] ? __bio_add_page+0x36d/0x4f0 [ 75.399700][ T8444] submit_bio+0x1ea/0x470 [ 75.404035][ T8444] ? submit_bio_noacct+0xf20/0xf20 [ 75.409231][ T8444] submit_bh_wbc+0x5eb/0x7f0 [ 75.413832][ T8444] __block_write_full_page+0x86c/0x1340 [ 75.419423][ T8444] ? bdev_evict_inode+0x470/0x470 [ 75.424458][ T8444] block_write_full_page+0x14d/0x190 [ 75.429829][ T8444] ? bdev_evict_inode+0x470/0x470 [ 75.434876][ T8444] __writepage+0x60/0x180 [ 75.439257][ T8444] write_cache_pages+0x759/0x11a0 [ 75.444297][ T8444] ? tag_pages_for_writeback+0x440/0x440 [ 75.451097][ T8444] ? clear_page_dirty_for_io+0xa20/0xa20 [ 75.457677][ T8444] ? mark_lock+0xef/0x17b0 [ 75.462144][ T8444] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 75.468297][ T8444] ? entry_SYSCALL_64+0x1/0x15 [ 75.473143][ T8444] ? lock_chain_count+0x20/0x20 [ 75.478088][ T8444] ? __lock_acquire+0x16a7/0x5230 [ 75.483162][ T8444] ? blkdev_readahead+0x20/0x20 [ 75.488106][ T8444] generic_writepages+0xe2/0x150 [ 75.493061][ T8444] ? write_cache_pages+0x11a0/0x11a0 [ 75.498409][ T8444] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 75.504405][ T8444] ? find_held_lock+0x2d/0x110 [ 75.509237][ T8444] do_writepages+0xec/0x290 [ 75.513768][ T8444] ? writeback_set_ratelimit+0x150/0x150 [ 75.519449][ T8444] ? do_raw_spin_lock+0x120/0x2b0 [ 75.524480][ T8444] ? do_raw_spin_unlock+0x171/0x230 [ 75.529739][ T8444] ? _raw_spin_unlock+0x24/0x40 [ 75.534619][ T8444] ? wbc_attach_and_unlock_inode+0x117/0x9e0 [ 75.540651][ T8444] __filemap_fdatawrite_range+0x2a5/0x390 [ 75.546489][ T8444] ? delete_from_page_cache_batch+0xe10/0xe10 [ 75.552571][ T8444] ? blkdev_put+0x86/0x580 [ 75.557058][ T8444] ? lock_downgrade+0x6e0/0x6e0 [ 75.561944][ T8444] filemap_write_and_wait_range+0x65/0x100 [ 75.567883][ T8444] __blkdev_put+0x64b/0x790 [ 75.572408][ T8444] ? __mutex_unlock_slowpath+0xe2/0x610 [ 75.579073][ T8444] ? freeze_bdev+0x250/0x250 [ 75.583709][ T8444] ? wait_for_completion_io+0x270/0x270 [ 75.589374][ T8444] ? _raw_spin_unlock+0x24/0x40 [ 75.594231][ T8444] ? locks_remove_file+0x2f9/0x570 [ 75.599402][ T8444] blkdev_put+0x92/0x580 [ 75.603656][ T8444] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 75.609981][ T8444] blkdev_close+0x8c/0xb0 [ 75.614318][ T8444] __fput+0x288/0x920 [ 75.618349][ T8444] ? blkdev_put+0x580/0x580 [ 75.622863][ T8444] task_work_run+0xdd/0x1a0 [ 75.627452][ T8444] do_exit+0xbfc/0x2a70 [ 75.631619][ T8444] ? find_held_lock+0x2d/0x110 [ 75.636373][ T8444] ? mm_update_next_owner+0x7a0/0x7a0 [ 75.641828][ T8444] ? get_signal+0x337/0x2150 [ 75.646509][ T8444] ? lock_downgrade+0x6e0/0x6e0 [ 75.651411][ T8444] do_group_exit+0x125/0x310 [ 75.656042][ T8444] get_signal+0x47f/0x2150 [ 75.660769][ T8444] arch_do_signal_or_restart+0x2a8/0x1eb0 [ 75.666602][ T8444] ? find_held_lock+0x2d/0x110 [ 75.671380][ T8444] ? copy_siginfo_to_user32+0xa0/0xa0 [ 75.676799][ T8444] ? __x64_sys_futex+0x1c6/0x4f0 [ 75.681748][ T8444] ? do_futex+0x1750/0x1750 [ 75.686241][ T8444] exit_to_user_mode_prepare+0x171/0x280 [ 75.691936][ T8444] syscall_exit_to_user_mode+0x19/0x60 [ 75.697551][ T8444] do_syscall_64+0x47/0xb0 [ 75.701972][ T8444] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 75.708990][ T8444] RIP: 0033:0x44a6a9 [ 75.712900][ T8444] Code: Unable to access opcode bytes at RIP 0x44a67f. [ 75.719800][ T8444] RSP: 002b:00007f055eb062f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 75.728362][ T8444] RAX: fffffffffffffe00 RBX: 00000000004cb4e0 RCX: 000000000044a6a9 [ 75.736358][ T8444] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004cb4e8 [ 75.744510][ T8444] RBP: 00000000004cb4ec R08: 0000000000000000 R09: 0000000000000000 [ 75.752597][ T8444] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000049b004 [ 75.760642][ T8444] R13: 6f6f6c2f7665642f R14: f821000000006cf9 R15: 00000000004cb4e8 [ 75.768706][ T8444] Kernel panic - not syncing: panic_on_warn set ... [ 75.775276][ T8444] CPU: 1 PID: 8444 Comm: syz-executor513 Not tainted 5.13.0-rc1-next-20210511-syzkaller #0 [ 75.785231][ T8444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.795267][ T8444] Call Trace: [ 75.798530][ T8444] dump_stack+0x141/0x1d7 [ 75.802867][ T8444] panic+0x306/0x73d [ 75.806753][ T8444] ? __warn_printk+0xf3/0xf3 [ 75.811330][ T8444] ? __warn.cold+0x1a/0x44 [ 75.815729][ T8444] ? submit_bio_checks+0x1627/0x1aa0 [ 75.820997][ T8444] __warn.cold+0x35/0x44 [ 75.825242][ T8444] ? submit_bio_checks+0x1627/0x1aa0 [ 75.830509][ T8444] report_bug+0x1bd/0x210 [ 75.834825][ T8444] handle_bug+0x3c/0x60 [ 75.838966][ T8444] exc_invalid_op+0x14/0x40 [ 75.843485][ T8444] asm_exc_invalid_op+0x12/0x20 [ 75.848316][ T8444] RIP: 0010:submit_bio_checks+0x1627/0x1aa0 [ 75.854191][ T8444] Code: 00 00 45 0f b6 a4 24 e0 05 00 00 48 8d 74 24 60 48 89 ef e8 2b 43 fe ff 48 c7 c7 20 ea c0 89 48 89 c6 44 89 e2 e8 5d da 1c 05 <0f> 0b e9 6b f3 ff ff e8 bd b8 bb fd e8 c8 27 5e 05 31 ff 89 c3 89 [ 75.873778][ T8444] RSP: 0018:ffffc900012cf120 EFLAGS: 00010286 [ 75.882864][ T8444] RAX: 0000000000000000 RBX: ffff88801e5eef00 RCX: 0000000000000000 [ 75.890816][ T8444] RDX: ffff88802e961c80 RSI: ffffffff815cde95 RDI: fffff52000259e16 [ 75.898770][ T8444] RBP: ffff888014d8a280 R08: 0000000000000000 R09: 0000000000000000 [ 75.906722][ T8444] R10: ffffffff815c7cde R11: 0000000000000000 R12: 0000000000000000 [ 75.914673][ T8444] R13: ffff888014d8a290 R14: ffff888011416780 R15: ffff88801e5ef404 [ 75.922629][ T8444] ? wake_up_klogd.part.0+0x8e/0xd0 [ 75.927816][ T8444] ? vprintk+0x95/0x260 [ 75.931967][ T8444] ? __lock_acquire+0xb3a/0x5230 [ 75.936899][ T8444] ? trace_event_raw_event_block_rq_requeue+0x510/0x510 [ 75.943838][ T8444] submit_bio_noacct+0x81/0xf20 [ 75.948687][ T8444] ? blk_queue_enter+0xb60/0xb60 [ 75.953611][ T8444] ? lock_downgrade+0x6e0/0x6e0 [ 75.958457][ T8444] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 75.964690][ T8444] ? __bio_add_page+0x36d/0x4f0 [ 75.969530][ T8444] submit_bio+0x1ea/0x470 [ 75.973891][ T8444] ? submit_bio_noacct+0xf20/0xf20 [ 75.979019][ T8444] submit_bh_wbc+0x5eb/0x7f0 [ 75.983598][ T8444] __block_write_full_page+0x86c/0x1340 [ 75.989131][ T8444] ? bdev_evict_inode+0x470/0x470 [ 75.994140][ T8444] block_write_full_page+0x14d/0x190 [ 75.999406][ T8444] ? bdev_evict_inode+0x470/0x470 [ 76.004415][ T8444] __writepage+0x60/0x180 [ 76.008729][ T8444] write_cache_pages+0x759/0x11a0 [ 76.013741][ T8444] ? tag_pages_for_writeback+0x440/0x440 [ 76.019359][ T8444] ? clear_page_dirty_for_io+0xa20/0xa20 [ 76.024983][ T8444] ? mark_lock+0xef/0x17b0 [ 76.029393][ T8444] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.035620][ T8444] ? entry_SYSCALL_64+0x1/0x15 [ 76.040367][ T8444] ? lock_chain_count+0x20/0x20 [ 76.045299][ T8444] ? __lock_acquire+0x16a7/0x5230 [ 76.050311][ T8444] ? blkdev_readahead+0x20/0x20 [ 76.055144][ T8444] generic_writepages+0xe2/0x150 [ 76.060065][ T8444] ? write_cache_pages+0x11a0/0x11a0 [ 76.065335][ T8444] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.071301][ T8444] ? find_held_lock+0x2d/0x110 [ 76.076050][ T8444] do_writepages+0xec/0x290 [ 76.080556][ T8444] ? writeback_set_ratelimit+0x150/0x150 [ 76.086184][ T8444] ? do_raw_spin_lock+0x120/0x2b0 [ 76.091204][ T8444] ? do_raw_spin_unlock+0x171/0x230 [ 76.096387][ T8444] ? _raw_spin_unlock+0x24/0x40 [ 76.101229][ T8444] ? wbc_attach_and_unlock_inode+0x117/0x9e0 [ 76.107206][ T8444] __filemap_fdatawrite_range+0x2a5/0x390 [ 76.112951][ T8444] ? delete_from_page_cache_batch+0xe10/0xe10 [ 76.119022][ T8444] ? blkdev_put+0x86/0x580 [ 76.123436][ T8444] ? lock_downgrade+0x6e0/0x6e0 [ 76.128294][ T8444] filemap_write_and_wait_range+0x65/0x100 [ 76.134092][ T8444] __blkdev_put+0x64b/0x790 [ 76.138581][ T8444] ? __mutex_unlock_slowpath+0xe2/0x610 [ 76.144171][ T8444] ? freeze_bdev+0x250/0x250 [ 76.148790][ T8444] ? wait_for_completion_io+0x270/0x270 [ 76.154336][ T8444] ? _raw_spin_unlock+0x24/0x40 [ 76.159181][ T8444] ? locks_remove_file+0x2f9/0x570 [ 76.164282][ T8444] blkdev_put+0x92/0x580 [ 76.168512][ T8444] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 76.174785][ T8444] blkdev_close+0x8c/0xb0 [ 76.179143][ T8444] __fput+0x288/0x920 [ 76.183115][ T8444] ? blkdev_put+0x580/0x580 [ 76.187617][ T8444] task_work_run+0xdd/0x1a0 [ 76.192118][ T8444] do_exit+0xbfc/0x2a70 [ 76.196315][ T8444] ? find_held_lock+0x2d/0x110 [ 76.201074][ T8444] ? mm_update_next_owner+0x7a0/0x7a0 [ 76.206434][ T8444] ? get_signal+0x337/0x2150 [ 76.211047][ T8444] ? lock_downgrade+0x6e0/0x6e0 [ 76.215894][ T8444] do_group_exit+0x125/0x310 [ 76.220472][ T8444] get_signal+0x47f/0x2150 [ 76.224881][ T8444] arch_do_signal_or_restart+0x2a8/0x1eb0 [ 76.230589][ T8444] ? find_held_lock+0x2d/0x110 [ 76.235341][ T8444] ? copy_siginfo_to_user32+0xa0/0xa0 [ 76.240701][ T8444] ? __x64_sys_futex+0x1c6/0x4f0 [ 76.245624][ T8444] ? do_futex+0x1750/0x1750 [ 76.250164][ T8444] exit_to_user_mode_prepare+0x171/0x280 [ 76.255786][ T8444] syscall_exit_to_user_mode+0x19/0x60 [ 76.261234][ T8444] do_syscall_64+0x47/0xb0 [ 76.265646][ T8444] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.271544][ T8444] RIP: 0033:0x44a6a9 [ 76.275448][ T8444] Code: Unable to access opcode bytes at RIP 0x44a67f. [ 76.282317][ T8444] RSP: 002b:00007f055eb062f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 76.290763][ T8444] RAX: fffffffffffffe00 RBX: 00000000004cb4e0 RCX: 000000000044a6a9 [ 76.298718][ T8444] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004cb4e8 [ 76.306672][ T8444] RBP: 00000000004cb4ec R08: 0000000000000000 R09: 0000000000000000 [ 76.314625][ T8444] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000049b004 [ 76.322591][ T8444] R13: 6f6f6c2f7665642f R14: f821000000006cf9 R15: 00000000004cb4e8 [ 76.331470][ T8444] Kernel Offset: disabled [ 76.335883][ T8444] Rebooting in 86400 seconds..