Warning: Permanently added '10.128.0.230' (ECDSA) to the list of known hosts. syzkaller login: [ 75.206526][ T8443] ieee80211 phy3: Selected rate control algorithm 'minstrel_ht' [ 75.241451][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.242458][ T8443] ieee80211 phy4: Selected rate control algorithm 'minstrel_ht' [ 75.256569][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.266803][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.293105][ T3102] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program [ 75.301532][ T3102] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.309493][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.320461][ T8497] loop0: detected capacity change from 0 to 2442 [ 75.405979][ T8497] ------------[ cut here ]------------ [ 75.411684][ T8497] Trying to write to read-only block-device loop0 (partno 0) [ 75.421271][ T8497] WARNING: CPU: 1 PID: 8497 at block/blk-core.c:701 submit_bio_checks+0x160c/0x1a80 [ 75.431218][ T8497] Modules linked in: [ 75.435924][ T8497] CPU: 1 PID: 8497 Comm: syz-executor979 Tainted: G W 5.14.0-rc1-syzkaller #0 [ 75.447362][ T8497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.458443][ T8497] RIP: 0010:submit_bio_checks+0x160c/0x1a80 [ 75.464482][ T8497] Code: 00 00 45 0f b6 a4 24 50 05 00 00 48 8d 74 24 60 48 89 ef e8 76 47 fe ff 48 c7 c7 80 80 e1 89 48 89 c6 44 89 e2 e8 a5 a6 27 05 <0f> 0b e9 86 f3 ff ff e8 38 dd b5 fd e8 a3 e5 69 05 31 ff 89 c3 89 [ 75.484966][ T8497] RSP: 0018:ffffc9000178f238 EFLAGS: 00010286 [ 75.491594][ T8497] RAX: 0000000000000000 RBX: ffff888146770000 RCX: 0000000000000000 [ 75.500562][ T8497] RDX: ffff88801b183880 RSI: ffffffff815d6855 RDI: fffff520002f1e39 [ 75.509258][ T8497] RBP: ffff888026f5b8c0 R08: 0000000000000000 R09: 0000000000000000 [ 75.517746][ T8497] R10: ffffffff815d068e R11: 0000000000000000 R12: 0000000000000000 [ 75.526059][ T8497] R13: ffff888026f5b8d0 R14: ffff888019d7c200 R15: ffff888146770574 [ 75.534314][ T8497] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 75.543445][ T8497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.550528][ T8497] CR2: 00007fc1b5041000 CR3: 0000000026d93000 CR4: 00000000001506e0 [ 75.558730][ T8497] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.566797][ T8497] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.574791][ T8497] Call Trace: [ 75.578277][ T8497] ? do_group_exit+0x125/0x310 [ 75.583063][ T8497] ? get_signal+0x47f/0x2160 [ 75.587888][ T8497] ? arch_do_signal_or_restart+0x2a9/0x1c40 [ 75.593911][ T8497] ? exit_to_user_mode_prepare+0x17d/0x290 [ 75.599825][ T8497] ? trace_event_raw_event_block_rq_requeue+0x510/0x510 [ 75.607104][ T8497] ? rcu_read_lock_sched_held+0xd/0x70 [ 75.612882][ T8497] ? kmem_cache_alloc+0x302/0x3a0 [ 75.618303][ T8497] ? mempool_free_pages+0x20/0x20 [ 75.623449][ T8497] submit_bio_noacct+0x81/0xf20 [ 75.628398][ T8497] ? lock_release+0x522/0x720 [ 75.633263][ T8497] ? mempool_resize+0x7d0/0x7d0 [ 75.638301][ T8497] ? blk_queue_enter+0xb60/0xb60 [ 75.643586][ T8497] ? lock_downgrade+0x6e0/0x6e0 [ 75.648758][ T8497] ? __mod_node_page_state+0x98/0x130 [ 75.654169][ T8497] ? do_raw_spin_unlock+0x171/0x230 [ 75.659462][ T8497] ? rcu_read_lock_sched_held+0xd/0x70 [ 75.665073][ T8497] ? lock_acquire+0x442/0x510 [ 75.670046][ T8497] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 75.676542][ T8497] ? __bio_add_page+0x377/0x540 [ 75.681517][ T8497] submit_bio+0x1ea/0x470 [ 75.685924][ T8497] ? submit_bio_noacct+0xf20/0xf20 [ 75.691355][ T8497] submit_bh_wbc+0x5eb/0x7f0 [ 75.696003][ T8497] __block_write_full_page+0x879/0x1360 [ 75.701578][ T8497] ? bdev_evict_inode+0x4a0/0x4a0 [ 75.706750][ T8497] block_write_full_page+0x14d/0x190 [ 75.712182][ T8497] ? bdev_evict_inode+0x4a0/0x4a0 [ 75.717353][ T8497] __writepage+0x60/0x180 [ 75.721901][ T8497] write_cache_pages+0x754/0x1190 [ 75.727174][ T8497] ? tag_pages_for_writeback+0x440/0x440 [ 75.732960][ T8497] ? clear_page_dirty_for_io+0xa40/0xa40 [ 75.738748][ T8497] ? remove_waiter+0x4e1/0xbf0 [ 75.743835][ T8497] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 75.749721][ T8497] ? __wake_up_common_lock+0xde/0x130 [ 75.755545][ T8497] ? __wake_up_common+0x650/0x650 [ 75.760615][ T8497] ? lock_downgrade+0x6e0/0x6e0 [ 75.765536][ T8497] ? rwlock_bug.part.0+0x90/0x90 [ 75.770519][ T8497] ? blkdev_readahead+0x20/0x20 [ 75.775852][ T8497] generic_writepages+0xe2/0x150 [ 75.781265][ T8497] ? write_cache_pages+0x1190/0x1190 [ 75.786792][ T8497] ? fsnotify_add_event+0x3ff/0x500 [ 75.792079][ T8497] ? rcu_read_lock_sched_held+0xd/0x70 [ 75.797629][ T8497] ? lock_release+0x522/0x720 [ 75.802340][ T8497] ? fsnotify+0xa1a/0x1050 [ 75.807018][ T8497] do_writepages+0xec/0x290 [ 75.811708][ T8497] ? writeback_set_ratelimit+0x150/0x150 [ 75.817398][ T8497] ? do_raw_spin_lock+0x120/0x2b0 [ 75.822641][ T8497] ? do_raw_spin_unlock+0x171/0x230 [ 75.827910][ T8497] ? _raw_spin_unlock+0x24/0x40 [ 75.832776][ T8497] ? wbc_attach_and_unlock_inode+0x111/0x9d0 [ 75.838835][ T8497] __filemap_fdatawrite_range+0x2a5/0x390 [ 75.844575][ T8497] ? rcu_read_lock_sched_held+0xd/0x70 [ 75.850099][ T8497] ? delete_from_page_cache_batch+0xe10/0xe10 [ 75.856515][ T8497] ? locks_remove_file+0x2f4/0x570 [ 75.861661][ T8497] ? do_raw_spin_unlock+0x171/0x230 [ 75.867875][ T8497] filemap_write_and_wait_range+0x65/0x100 [ 75.873788][ T8497] blkdev_put+0x7ff/0xae0 [ 75.878266][ T8497] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 75.884533][ T8497] blkdev_close+0x8c/0xb0 [ 75.888966][ T8497] __fput+0x288/0x920 [ 75.892976][ T8497] ? blkdev_put+0xae0/0xae0 [ 75.897564][ T8497] task_work_run+0xdd/0x1a0 [ 75.902108][ T8497] do_exit+0xbd4/0x2a60 [ 75.906436][ T8497] ? lock_acquire+0x442/0x510 [ 75.911137][ T8497] ? rcu_read_lock_sched_held+0xd/0x70 [ 75.916664][ T8497] ? lock_release+0x522/0x720 [ 75.921438][ T8497] ? mm_update_next_owner+0x7a0/0x7a0 [ 75.927047][ T8497] ? lock_downgrade+0x6e0/0x6e0 [ 75.932605][ T8497] ? do_raw_spin_lock+0x120/0x2b0 [ 75.937710][ T8497] ? rwlock_bug.part.0+0x90/0x90 [ 75.942693][ T8497] do_group_exit+0x125/0x310 [ 75.947713][ T8497] get_signal+0x47f/0x2160 [ 75.952163][ T8497] arch_do_signal_or_restart+0x2a9/0x1c40 [ 75.958098][ T8497] ? rcu_read_lock_sched_held+0xd/0x70 [ 75.963608][ T8497] ? lock_acquire+0x442/0x510 [ 75.968378][ T8497] ? get_sigframe_size+0x10/0x10 [ 75.973330][ T8497] ? lock_release+0x522/0x720 [ 75.978071][ T8497] ? __do_sys_futex+0xdc/0x3b0 [ 75.982866][ T8497] ? do_futex+0x1770/0x1770 [ 75.987469][ T8497] exit_to_user_mode_prepare+0x17d/0x290 [ 75.993138][ T8497] syscall_exit_to_user_mode+0x19/0x60 [ 75.998648][ T8497] do_syscall_64+0x42/0xb0 [ 76.003100][ T8497] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.010168][ T8497] RIP: 0033:0x44bb59 [ 76.014434][ T8497] Code: Unable to access opcode bytes at RIP 0x44bb2f. [ 76.021441][ T8497] RSP: 002b:00007fd11d936308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 76.030373][ T8497] RAX: fffffffffffffe00 RBX: 00000000004cc4e8 RCX: 000000000044bb59 [ 76.038497][ T8497] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004cc4e8 [ 76.046726][ T8497] RBP: 00000000004cc4e0 R08: 0000000000000000 R09: 0000000000000000 [ 76.055165][ T8497] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cc4ec [ 76.063363][ T8497] R13: 65732f636f72702f R14: 6f6f6c2f7665642f R15: 0000000000022000 [ 76.071675][ T8497] Kernel panic - not syncing: panic_on_warn set ... [ 76.078436][ T8497] CPU: 1 PID: 8497 Comm: syz-executor979 Tainted: G W 5.14.0-rc1-syzkaller #0 [ 76.088590][ T8497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.098993][ T8497] Call Trace: [ 76.102264][ T8497] dump_stack_lvl+0xcd/0x134 [ 76.107042][ T8497] panic+0x306/0x73d [ 76.110962][ T8497] ? __warn_printk+0xf3/0xf3 [ 76.115590][ T8497] ? __warn.cold+0x1a/0x44 [ 76.120103][ T8497] ? submit_bio_checks+0x160c/0x1a80 [ 76.125389][ T8497] __warn.cold+0x35/0x44 [ 76.129807][ T8497] ? wake_up_klogd.part.0+0x8e/0xd0 [ 76.135024][ T8497] ? submit_bio_checks+0x160c/0x1a80 [ 76.140302][ T8497] report_bug+0x1bd/0x210 [ 76.144641][ T8497] handle_bug+0x3c/0x60 [ 76.148873][ T8497] exc_invalid_op+0x14/0x40 [ 76.153424][ T8497] asm_exc_invalid_op+0x12/0x20 [ 76.158268][ T8497] RIP: 0010:submit_bio_checks+0x160c/0x1a80 [ 76.164259][ T8497] Code: 00 00 45 0f b6 a4 24 50 05 00 00 48 8d 74 24 60 48 89 ef e8 76 47 fe ff 48 c7 c7 80 80 e1 89 48 89 c6 44 89 e2 e8 a5 a6 27 05 <0f> 0b e9 86 f3 ff ff e8 38 dd b5 fd e8 a3 e5 69 05 31 ff 89 c3 89 [ 76.184010][ T8497] RSP: 0018:ffffc9000178f238 EFLAGS: 00010286 [ 76.190093][ T8497] RAX: 0000000000000000 RBX: ffff888146770000 RCX: 0000000000000000 [ 76.198358][ T8497] RDX: ffff88801b183880 RSI: ffffffff815d6855 RDI: fffff520002f1e39 [ 76.206510][ T8497] RBP: ffff888026f5b8c0 R08: 0000000000000000 R09: 0000000000000000 [ 76.214483][ T8497] R10: ffffffff815d068e R11: 0000000000000000 R12: 0000000000000000 [ 76.222745][ T8497] R13: ffff888026f5b8d0 R14: ffff888019d7c200 R15: ffff888146770574 [ 76.230731][ T8497] ? wake_up_klogd.part.0+0x8e/0xd0 [ 76.235966][ T8497] ? vprintk+0x95/0x260 [ 76.240223][ T8497] ? submit_bio_checks+0x160c/0x1a80 [ 76.245550][ T8497] ? do_group_exit+0x125/0x310 [ 76.250327][ T8497] ? get_signal+0x47f/0x2160 [ 76.254924][ T8497] ? arch_do_signal_or_restart+0x2a9/0x1c40 [ 76.261096][ T8497] ? exit_to_user_mode_prepare+0x17d/0x290 [ 76.266926][ T8497] ? trace_event_raw_event_block_rq_requeue+0x510/0x510 [ 76.273971][ T8497] ? rcu_read_lock_sched_held+0xd/0x70 [ 76.279443][ T8497] ? kmem_cache_alloc+0x302/0x3a0 [ 76.284492][ T8497] ? mempool_free_pages+0x20/0x20 [ 76.289530][ T8497] submit_bio_noacct+0x81/0xf20 [ 76.294678][ T8497] ? lock_release+0x522/0x720 [ 76.299451][ T8497] ? mempool_resize+0x7d0/0x7d0 [ 76.304401][ T8497] ? blk_queue_enter+0xb60/0xb60 [ 76.309980][ T8497] ? lock_downgrade+0x6e0/0x6e0 [ 76.314842][ T8497] ? __mod_node_page_state+0x98/0x130 [ 76.320247][ T8497] ? do_raw_spin_unlock+0x171/0x230 [ 76.325565][ T8497] ? rcu_read_lock_sched_held+0xd/0x70 [ 76.331040][ T8497] ? lock_acquire+0x442/0x510 [ 76.335746][ T8497] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 76.341990][ T8497] ? __bio_add_page+0x377/0x540 [ 76.346936][ T8497] submit_bio+0x1ea/0x470 [ 76.351271][ T8497] ? submit_bio_noacct+0xf20/0xf20 [ 76.356481][ T8497] submit_bh_wbc+0x5eb/0x7f0 [ 76.361081][ T8497] __block_write_full_page+0x879/0x1360 [ 76.366722][ T8497] ? bdev_evict_inode+0x4a0/0x4a0 [ 76.371758][ T8497] block_write_full_page+0x14d/0x190 [ 76.377068][ T8497] ? bdev_evict_inode+0x4a0/0x4a0 [ 76.382103][ T8497] __writepage+0x60/0x180 [ 76.386443][ T8497] write_cache_pages+0x754/0x1190 [ 76.391471][ T8497] ? tag_pages_for_writeback+0x440/0x440 [ 76.397196][ T8497] ? clear_page_dirty_for_io+0xa40/0xa40 [ 76.403043][ T8497] ? remove_waiter+0x4e1/0xbf0 [ 76.407941][ T8497] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 76.413761][ T8497] ? __wake_up_common_lock+0xde/0x130 [ 76.419142][ T8497] ? __wake_up_common+0x650/0x650 [ 76.424178][ T8497] ? lock_downgrade+0x6e0/0x6e0 [ 76.429038][ T8497] ? rwlock_bug.part.0+0x90/0x90 [ 76.433978][ T8497] ? blkdev_readahead+0x20/0x20 [ 76.438845][ T8497] generic_writepages+0xe2/0x150 [ 76.443806][ T8497] ? write_cache_pages+0x1190/0x1190 [ 76.449284][ T8497] ? fsnotify_add_event+0x3ff/0x500 [ 76.454486][ T8497] ? rcu_read_lock_sched_held+0xd/0x70 [ 76.460064][ T8497] ? lock_release+0x522/0x720 [ 76.464744][ T8497] ? fsnotify+0xa1a/0x1050 [ 76.469165][ T8497] do_writepages+0xec/0x290 [ 76.473760][ T8497] ? writeback_set_ratelimit+0x150/0x150 [ 76.479749][ T8497] ? do_raw_spin_lock+0x120/0x2b0 [ 76.484776][ T8497] ? do_raw_spin_unlock+0x171/0x230 [ 76.489980][ T8497] ? _raw_spin_unlock+0x24/0x40 [ 76.494848][ T8497] ? wbc_attach_and_unlock_inode+0x111/0x9d0 [ 76.500838][ T8497] __filemap_fdatawrite_range+0x2a5/0x390 [ 76.506743][ T8497] ? rcu_read_lock_sched_held+0xd/0x70 [ 76.512213][ T8497] ? delete_from_page_cache_batch+0xe10/0xe10 [ 76.518290][ T8497] ? locks_remove_file+0x2f4/0x570 [ 76.523412][ T8497] ? do_raw_spin_unlock+0x171/0x230 [ 76.529548][ T8497] filemap_write_and_wait_range+0x65/0x100 [ 76.535514][ T8497] blkdev_put+0x7ff/0xae0 [ 76.539894][ T8497] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 76.546142][ T8497] blkdev_close+0x8c/0xb0 [ 76.550496][ T8497] __fput+0x288/0x920 [ 76.554493][ T8497] ? blkdev_put+0xae0/0xae0 [ 76.559367][ T8497] task_work_run+0xdd/0x1a0 [ 76.563880][ T8497] do_exit+0xbd4/0x2a60 [ 76.568134][ T8497] ? lock_acquire+0x442/0x510 [ 76.572916][ T8497] ? rcu_read_lock_sched_held+0xd/0x70 [ 76.578410][ T8497] ? lock_release+0x522/0x720 [ 76.583087][ T8497] ? mm_update_next_owner+0x7a0/0x7a0 [ 76.588491][ T8497] ? lock_downgrade+0x6e0/0x6e0 [ 76.593396][ T8497] ? do_raw_spin_lock+0x120/0x2b0 [ 76.598517][ T8497] ? rwlock_bug.part.0+0x90/0x90 [ 76.603462][ T8497] do_group_exit+0x125/0x310 [ 76.608147][ T8497] get_signal+0x47f/0x2160 [ 76.612605][ T8497] arch_do_signal_or_restart+0x2a9/0x1c40 [ 76.618426][ T8497] ? rcu_read_lock_sched_held+0xd/0x70 [ 76.624030][ T8497] ? lock_acquire+0x442/0x510 [ 76.628714][ T8497] ? get_sigframe_size+0x10/0x10 [ 76.633757][ T8497] ? lock_release+0x522/0x720 [ 76.638609][ T8497] ? __do_sys_futex+0xdc/0x3b0 [ 76.643587][ T8497] ? do_futex+0x1770/0x1770 [ 76.648126][ T8497] exit_to_user_mode_prepare+0x17d/0x290 [ 76.653956][ T8497] syscall_exit_to_user_mode+0x19/0x60 [ 76.659528][ T8497] do_syscall_64+0x42/0xb0 [ 76.664101][ T8497] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.670240][ T8497] RIP: 0033:0x44bb59 [ 76.674231][ T8497] Code: Unable to access opcode bytes at RIP 0x44bb2f. [ 76.681519][ T8497] RSP: 002b:00007fd11d936308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 76.690041][ T8497] RAX: fffffffffffffe00 RBX: 00000000004cc4e8 RCX: 000000000044bb59 [ 76.698037][ T8497] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004cc4e8 [ 76.706025][ T8497] RBP: 00000000004cc4e0 R08: 0000000000000000 R09: 0000000000000000 [ 76.714096][ T8497] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cc4ec [ 76.722080][ T8497] R13: 65732f636f72702f R14: 6f6f6c2f7665642f R15: 0000000000022000 [ 76.731424][ T8497] Kernel Offset: disabled [ 76.735759][ T8497] Rebooting in 86400 seconds..