loop0: detected capacity change from 0 to 128 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= EXT4-fs (loop0): Test dummy encryption mode enabled EXT4-fs (loop0): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 r/w without journal. Quota mode: none. ext4 filesystem being mounted at /0/mnt supports timestamps until 2038-01-19 (0x7fffffff) fscrypt: AES-256-XTS using implementation "xts-aes-aesni-avx" loop0: detected capacity change from 128 to 64 EXT4-fs error (device loop0) in ext4_reserve_inode_write:6305: Out of memory EXT4-fs error (device loop0): ext4_dirty_inode:6509: inode #12: comm syz.0.0: mark_inode_dirty error EXT4-fs error (device loop0) in ext4_reserve_inode_write:6305: Out of memory EXT4-fs error (device loop0): __ext4_ext_dirty:206: inode #12: comm syz.0.0: mark_inode_dirty error EXT4-fs error (device loop0) in ext4_reserve_inode_write:6305: Out of memory EXT4-fs error (device loop0): ext4_dirty_inode:6509: inode #12: comm syz.0.0: mark_inode_dirty error EXT4-fs error (device loop0) in ext4_reserve_inode_write:6305: Out of memory ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5326 at fs/ext4/inode.c:3965 ext4_dirty_folio+0x167/0x1b0 fs/ext4/inode.c:3965 Modules linked in: CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ext4_dirty_folio+0x167/0x1b0 fs/ext4/inode.c:3965 Code: ff 3b ad ff 49 83 3f 00 74 1a e8 b4 13 46 ff 4c 89 e7 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 df 2e d0 ff e8 9a 13 46 ff 90 <0f> 0b 90 eb e0 e8 8f 13 46 ff 90 0f 0b 90 eb a7 e8 84 13 46 ff 48 RSP: 0018:ffffc9000d30f7d8 EFLAGS: 00010283 RAX: ffffffff82799006 RBX: ffffea0001373880 RCX: 0000000000100000 RDX: ffffc9000e1ea000 RSI: 0000000000005824 RDI: 0000000000005825 RBP: 1ffffd400026e710 R08: ffffea0001373887 R09: 1ffffd400026e710 R10: dffffc0000000000 R11: fffff9400026e711 R12: ffff8880126d04b8 R13: 1ffffd400026e711 R14: 0000000000000001 R15: ffffea00013738a8 FS: 00007fb0060996c0(0000) GS:ffff88808d306000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056040dbdbb60 CR3: 000000002306a000 CR4: 0000000000352ef0 Call Trace: __bio_release_pages+0x103/0x1a0 block/bio.c:1148 bio_release_pages include/linux/bio.h:477 [inline] __blkdev_direct_IO_simple block/fops.c:94 [inline] blkdev_direct_IO+0x119e/0x17e0 block/fops.c:428 blkdev_read_iter+0x23d/0x440 block/fops.c:836 do_iter_readv_writev+0x623/0x8c0 fs/read_write.c:-1 vfs_readv+0x253/0x850 fs/read_write.c:1018 do_preadv fs/read_write.c:1132 [inline] __do_sys_preadv2 fs/read_write.c:1191 [inline] __se_sys_preadv2+0x179/0x290 fs/read_write.c:1182 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb00518eec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb006099038 EFLAGS: 00000246 ORIG_RAX: 0000000000000147 RAX: ffffffffffffffda RBX: 00007fb0053e5fa0 RCX: 00007fb00518eec9 RDX: 0000000000000007 RSI: 0000200000000080 RDI: 0000000000000008 RBP: 00007fb005211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb0053e6038 R14: 00007fb0053e5fa0 R15: 00007ffe00b3b408