[ 469.846942] FAT-fs (loop5): error, fat_free_clusters: deleting FAT entry beyond EOF [ 469.855724] FAT-fs (loop4): Filesystem has been set read-only [ 469.897493] FAT-fs (loop5): Filesystem has been set read-only [ 469.950180] attempt to access beyond end of device [ 469.956195] loop2: rw=2049, want=633, limit=624 [ 469.963755] attempt to access beyond end of device [ 469.968917] loop0: rw=2049, want=633, limit=624 [ 470.018810] FAT-fs (loop2): error, fat_free_clusters: deleting FAT entry beyond EOF [ 470.069698] FAT-fs (loop0): error, fat_free_clusters: deleting FAT entry beyond EOF [ 470.071110] FAT-fs (loop2): Filesystem has been set read-only [ 470.088020] FAT-fs (loop0): Filesystem has been set read-only [ 470.099542] attempt to access beyond end of device [ 470.116858] loop3: rw=2049, want=633, limit=624 [ 470.170837] FAT-fs (loop3): error, fat_free_clusters: deleting FAT entry beyond EOF [ 470.199646] attempt to access beyond end of device [ 470.205615] loop1: rw=2049, want=633, limit=624 [ 470.229136] FAT-fs (loop3): Filesystem has been set read-only [ 470.237393] attempt to access beyond end of device [ 470.242725] loop5: rw=2049, want=633, limit=624 [ 470.252722] attempt to access beyond end of device [ 470.257820] loop4: rw=2049, want=633, limit=624 [ 470.313433] FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF [ 470.335283] FAT-fs (loop5): error, fat_free_clusters: deleting FAT entry beyond EOF [ 470.342239] FAT-fs (loop1): Filesystem has been set read-only [ 470.385075] FAT-fs (loop4): error, fat_free_clusters: deleting FAT entry beyond EOF [ 470.393030] FAT-fs (loop5): Filesystem has been set read-only [ 470.402105] FAT-fs (loop4): Filesystem has been set read-only [ 470.458789] attempt to access beyond end of device [ 470.466699] loop3: rw=2049, want=633, limit=624 [ 470.576970] FAT-fs (loop3): error, fat_free_clusters: deleting FAT entry beyond EOF [ 470.644313] FAT-fs (loop3): Filesystem has been set read-only [ 470.723583] attempt to access beyond end of device [ 470.769303] loop1: rw=2049, want=633, limit=624 [ 470.771141] attempt to access beyond end of device [ 470.798959] loop5: rw=2049, want=633, limit=624 [ 470.858622] FAT-fs (loop5): error, fat_free_clusters: deleting FAT entry beyond EOF [ 470.862320] FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF [ 470.882281] FAT-fs (loop5): Filesystem has been set read-only [ 470.945019] FAT-fs (loop1): Filesystem has been set read-only [ 470.957813] attempt to access beyond end of device [ 470.975448] loop0: rw=2049, want=633, limit=624 [ 470.994107] attempt to access beyond end of device [ 471.004507] loop2: rw=2049, want=633, limit=624 [ 471.019379] attempt to access beyond end of device [ 471.024808] loop3: rw=2049, want=633, limit=624 [ 471.056814] FAT-fs (loop0): error, fat_free_clusters: deleting FAT entry beyond EOF [ 471.067981] FAT-fs (loop3): error, fat_free_clusters: deleting FAT entry beyond EOF [ 471.091596] FAT-fs (loop2): error, fat_free_clusters: deleting FAT entry beyond EOF [ 471.123319] FAT-fs (loop2): Filesystem has been set read-only [ 471.124138] attempt to access beyond end of device [ 471.133132] FAT-fs (loop0): Filesystem has been set read-only [ 471.163896] FAT-fs (loop3): Filesystem has been set read-only [ 471.179797] loop4: rw=2049, want=633, limit=624 [ 471.199967] attempt to access beyond end of device [ 471.208721] loop5: rw=2049, want=633, limit=624 [ 471.229017] attempt to access beyond end of device [ 471.235178] loop1: rw=2049, want=633, limit=624 [ 471.323842] FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF [ 471.336474] FAT-fs (loop5): error, fat_free_clusters: deleting FAT entry beyond EOF [ 471.350179] FAT-fs (loop4): error, fat_free_clusters: deleting FAT entry beyond EOF [ 471.360775] FAT-fs (loop1): Filesystem has been set read-only [ 471.367164] FAT-fs (loop5): Filesystem has been set read-only [ 471.431758] FAT-fs (loop4): Filesystem has been set read-only [ 471.497629] attempt to access beyond end of device [ 471.502795] loop2: rw=2049, want=633, limit=624 [ 471.513339] attempt to access beyond end of device [ 471.518474] loop3: rw=2049, want=633, limit=624 [ 471.618462] FAT-fs (loop2): error, fat_free_clusters: deleting FAT entry beyond EOF [ 471.627564] FAT-fs (loop3): error, fat_free_clusters: deleting FAT entry beyond EOF [ 471.638045] FAT-fs (loop2): Filesystem has been set read-only [ 471.671152] FAT-fs (loop3): Filesystem has been set read-only [ 471.794614] attempt to access beyond end of device [ 471.810507] loop0: rw=2049, want=633, limit=624 [ 471.860744] attempt to access beyond end of device [ 471.880875] FAT-fs (loop0): error, fat_free_clusters: deleting FAT entry beyond EOF [ 471.903063] loop5: rw=2049, want=633, limit=624 [ 471.918161] FAT-fs (loop0): Filesystem has been set read-only [ 471.923683] attempt to access beyond end of device [ 471.936771] loop1: rw=2049, want=633, limit=624 [ 471.961547] attempt to access beyond end of device [ 471.966680] loop5: rw=1, want=707, limit=624 [ 472.105210] attempt to access beyond end of device [ 472.105753] ------------[ cut here ]------------ [ 472.110504] loop1: rw=1, want=707, limit=624 [ 472.114963] kernel BUG at mm/filemap.c:1283! [ 472.115015] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 472.129114] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.0.0-rc4-syzkaller #0 [ 472.136541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 472.145984] RIP: 0010:end_page_writeback+0x2bd/0x300 [ 472.151066] Code: fe ff ff 4c 89 ef e8 a2 53 19 00 e9 00 fe ff ff 48 89 df e8 95 53 19 00 e9 01 ff ff ff 4c 89 e7 e8 88 53 19 00 e9 37 fe ff ff <0f> 0b 4c 89 ef e8 79 53 19 00 e9 51 fe ff ff 4c 89 e7 e8 6c 53 19 [ 472.169946] RSP: 0018:ffff8880a98c7ac8 EFLAGS: 00010246 [ 472.175297] RAX: 0000000000000000 RBX: ffffea0001d628c0 RCX: 1ffff11015317156 [ 472.182547] RDX: 1ffffffff10a453e RSI: 1ffff11015317158 RDI: 0000000000000282 [ 472.189806] RBP: ffff8880a98c7ae0 R08: 0000000000000000 R09: 0000000000000001 [ 472.197054] R10: ffffed1015d45bcf R11: ffff8880aea2de7b R12: ffffea0001d628c8 [ 472.204316] R13: ffffea0001d628c0 R14: dffffc0000000000 R15: ffff888090ea08c0 [ 472.211579] FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 472.219870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 472.225883] CR2: 00007f1d32920000 CR3: 0000000093d0a000 CR4: 00000000001406f0 [ 472.233154] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 472.240428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 472.247694] Call Trace: [ 472.250276] page_endio+0x244/0x4c0 [ 472.253964] mpage_end_io+0x14f/0x2d0 [ 472.257769] bio_endio+0x459/0x830 [ 472.261381] blk_update_request+0x248/0x9e0 [ 472.265703] blk_mq_end_request+0x54/0x4e0 [ 472.269968] lo_complete_rq+0x1af/0x270 [ 472.274017] blk_done_softirq+0x2c6/0x490 [ 472.278178] ? kvm_sched_clock_read+0x9/0x20 [ 472.282653] ? blk_try_merge+0x210/0x210 [ 472.286726] ? rcu_lockdep_current_cpu_online+0xe5/0x130 [ 472.292185] __do_softirq+0x260/0x958 [ 472.295987] ? takeover_tasklets+0x7b0/0x7b0 [ 472.300379] run_ksoftirqd+0x94/0x100 [ 472.304212] smpboot_thread_fn+0x55f/0x860 [ 472.308440] ? sort_range+0x20/0x20 [ 472.312054] ? __kthread_parkme+0xb9/0x190 [ 472.316279] kthread+0x324/0x3e0 [ 472.319632] ? sort_range+0x20/0x20 [ 472.323235] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 472.328750] ret_from_fork+0x24/0x30 [ 472.332444] Modules linked in: [ 472.335658] ---[ end trace 545ef6405c308b44 ]--- [ 472.340439] RIP: 0010:end_page_writeback+0x2bd/0x300 [ 472.345571] Code: fe ff ff 4c 89 ef e8 a2 53 19 00 e9 00 fe ff ff 48 89 df e8 95 53 19 00 e9 01 ff ff ff 4c 89 e7 e8 88 53 19 00 e9 37 fe ff ff <0f> 0b 4c 89 ef e8 79 53 19 00 e9 51 fe ff ff 4c 89 e7 e8 6c 53 19 [ 472.364539] RSP: 0018:ffff8880a98c7ac8 EFLAGS: 00010246 [ 472.370012] RAX: 0000000000000000 RBX: ffffea0001d628c0 RCX: 1ffff11015317156 [ 472.377297] RDX: 1ffffffff10a453e RSI: 1ffff11015317158 RDI: 0000000000000282 [ 472.385754] RBP: ffff8880a98c7ae0 R08: 0000000000000000 R09: 0000000000000001 [ 472.393045] R10: ffffed1015d45bcf R11: ffff8880aea2de7b R12: ffffea0001d628c8 [ 472.400342] R13: ffffea0001d628c0 R14: dffffc0000000000 R15: ffff888090ea08c0 [ 472.407598] FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 472.415833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 472.421719] CR2: 00007f1d32920000 CR3: 0000000008471000 CR4: 00000000001406f0 [ 472.428983] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 472.436264] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 472.443535] Kernel panic - not syncing: Fatal exception in interrupt [ 472.451488] Kernel Offset: disabled [ 472.455111] Rebooting in 86400 seconds..