FAT-fs (loop2): error, fat_free_clusters: deleting FAT entry beyond EOF
FAT-fs (loop2): Filesystem has been set read-only
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kernel BUG at fs/buffer.c:553!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 15066 Comm: syz-executor.3 Not tainted 4.19.123-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:mark_buffer_dirty_inode fs/buffer.c:553 [inline]
RIP: 0010:mark_buffer_dirty_inode+0x2f8/0x3c0 fs/buffer.c:544
Code: 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 4d 48 89 6b 58 4c 89 ef e8 82 f9 6c 05 e9 00 fe ff ff e8 18 20 b3 ff <0f> 0b 4c 89 ff e8 0e 06 e9 ff e9 e5 fd ff ff e8 04 06 e9 ff e9 6e
RSP: 0018:ffff888034f07c20 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff888038a48000 RCX: ffffc9000c177000
RDX: 0000000000040000 RSI: ffffffff81b4ac28 RDI: ffff888038ac4ef8
RBP: ffff888038ac4d98 R08: 0000000000000000 R09: 0000000000000002
R10: ffffed1015ce4732 R11: ffff8880ae723993 R12: ffff8880a317c560
R13: 0000000000000000 R14: ffffffff879c6a20 R15: ffff88803a0ede00
FS:  00007f92336be700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9233639db8 CR3: 000000008b472000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 fat_ent_write+0xb7/0x1a0 fs/fat/fatent.c:417
 fat_chain_add+0x48d/0x600 fs/fat/misc.c:128
 fat_add_cluster+0xc7/0xf0 fs/fat/inode.c:106
 fat_fallocate+0x26d/0x310 fs/fat/file.c:300
 vfs_fallocate+0x484/0x990 fs/open.c:308
 ksys_fallocate+0x51/0x90 fs/open.c:331
 __do_sys_fallocate fs/open.c:339 [inline]
 __se_sys_fallocate fs/open.c:337 [inline]
 __x64_sys_fallocate+0x93/0xf0 fs/open.c:337
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c829
Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f92336bdc78 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00000000004db760 RCX: 000000000045c829
RDX: 0000000000000000 RSI: 0000000100000001 RDI: 0000000000000004
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 000000002811ffff R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000000ae R14: 00000000004c33e0 R15: 00007f92336be6d4
Modules linked in:
---[ end trace 8f6fcf497c5a0111 ]---
RIP: 0010:mark_buffer_dirty_inode fs/buffer.c:553 [inline]
RIP: 0010:mark_buffer_dirty_inode+0x2f8/0x3c0 fs/buffer.c:544
Code: 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 4d 48 89 6b 58 4c 89 ef e8 82 f9 6c 05 e9 00 fe ff ff e8 18 20 b3 ff <0f> 0b 4c 89 ff e8 0e 06 e9 ff e9 e5 fd ff ff e8 04 06 e9 ff e9 6e
RSP: 0018:ffff888034f07c20 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff888038a48000 RCX: ffffc9000c177000
RDX: 0000000000040000 RSI: ffffffff81b4ac28 RDI: ffff888038ac4ef8
RBP: ffff888038ac4d98 R08: 0000000000000000 R09: 0000000000000002
R10: ffffed1015ce4732 R11: ffff8880ae723993 R12: ffff8880a317c560
R13: 0000000000000000 R14: ffffffff879c6a20 R15: ffff88803a0ede00
FS:  00007f92336be700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000073b138 CR3: 000000008b472000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400