program: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") r0 = open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) fallocate(r0, 0x11, 0xfff, 0x8800000) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) r1 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) r2 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) r3 = syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) ioctl$MON_IOCX_MFETCH(r3, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) sendfile(r1, r1, 0x0, 0x800000009) ioctl$DRM_IOCTL_AGP_ALLOC(r2, 0xc0206434, &(0x7f0000000000)={0x3, 0x0, 0x2}) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") (async) open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) (async) fallocate(r0, 0x11, 0xfff, 0x8800000) (async) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) (async) open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) (async) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) (async) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) (async) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) (async) ioctl$MON_IOCX_MFETCH(r3, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) (async) sendfile(r1, r1, 0x0, 0x800000009) (async) ioctl$DRM_IOCTL_AGP_ALLOC(r2, 0xc0206434, &(0x7f0000000000)={0x3, 0x0, 0x2}) (async) [ 85.896292][ T5345] loop0: detected capacity change from 0 to 1024 [ 85.946021][ T5345] ======================================================= [ 85.946021][ T5345] WARNING: The mand mount option has been deprecated and [ 85.946021][ T5345] and is ignored by this kernel. Remove the mand [ 85.946021][ T5345] option from the mount to silence this warning. [ 85.946021][ T5345] ======================================================= [ 86.045730][ T5345] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 86.080116][ T5345] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4215: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 86.092249][ T26] audit: type=1800 audit(1765536590.802:2): pid=5345 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="file1" dev="loop0" ino=15 res=0 errno=0 [ 86.102896][ T26] audit: type=1800 audit(1765536590.822:3): pid=5345 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="file2" dev="loop0" ino=16 res=0 errno=0 [ 86.148686][ T5345] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4215: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 86.158548][ T5346] ------------[ cut here ]------------ [ 86.161318][ T5346] kernel BUG at fs/ext4/mballoc.c:4787! [ 86.163968][ T5346] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 86.166758][ T5346] CPU: 0 UID: 0 PID: 5346 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.170908][ T5346] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 86.175609][ T5346] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 86.178116][ T5346] Code: e8 c4 4b a8 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 60 6f 40 ff 90 0f 0b e8 58 6f 40 ff 90 0f 0b e8 50 6f 40 ff 90 <0f> 0b e8 48 6f 40 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 86.186215][ T5346] RSP: 0018:ffffc9000da0f3a8 EFLAGS: 00010293 [ 86.188941][ T5346] RAX: ffffffff82815100 RBX: 00000000ffffffff RCX: ffff888000d6c980 [ 86.192627][ T5346] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 86.196027][ T5346] RBP: 1ffff11008cd8f63 R08: ffff8880466c8503 R09: 1ffff11008cd90a0 [ 86.199610][ T5346] R10: dffffc0000000000 R11: ffffed1008cd90a1 R12: 0000000000000004 [ 86.203075][ T5346] R13: 0000000000000002 R14: 1ffff11008cd90a3 R15: ffff8880466c8518 [ 86.206464][ T5346] FS: 00007efce0b866c0(0000) GS:ffff88808d22f000(0000) knlGS:0000000000000000 [ 86.210340][ T5346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.213316][ T5346] CR2: 00007efce0b85fc8 CR3: 000000001a318000 CR4: 0000000000352ef0 [ 86.217145][ T5346] Call Trace: [ 86.218842][ T5346] [ 86.220211][ T5346] ext4_mb_use_preallocated+0x660/0x13f0 [ 86.222695][ T5346] ext4_mb_new_blocks+0x5a1/0x46a0 [ 86.225117][ T5346] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 86.227564][ T5346] ? __kmalloc_noprof+0x43e/0x800 [ 86.229835][ T5346] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 86.232218][ T5346] ? ext4_ext_check_overlap+0x32e/0x580 [ 86.234657][ T5346] ? ext4_ext_find_goal+0xf0/0x1e0 [ 86.236970][ T5346] ext4_ext_map_blocks+0x1877/0x69c0 [ 86.239171][ T5346] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 86.241599][ T5346] ? ext4_es_lookup_extent+0x6cd/0xb00 [ 86.244018][ T5346] ext4_map_blocks+0x82c/0x16f0 [ 86.246161][ T5346] ? __pfx_ext4_map_blocks+0x10/0x10 [ 86.248477][ T5346] ? ext4_mark_iloc_dirty+0x6ec/0x1ca0 [ 86.250988][ T5346] ? ext4_journal_check_start+0x1c/0x2b0 [ 86.253441][ T5346] ? __ext4_journal_start_sb+0x25a/0x580 [ 86.255914][ T5346] ext4_alloc_file_blocks+0x422/0xdb0 [ 86.258350][ T5346] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 86.260998][ T5346] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 86.263658][ T5346] ext4_zero_range+0x38c/0xb70 [ 86.265743][ T5346] ext4_fallocate+0x334/0x3d0 [ 86.268036][ T5346] vfs_fallocate+0x669/0x7e0 [ 86.270196][ T5346] ? __fget_files+0x2a/0x420 [ 86.271943][ T5346] ? __pfx_vfs_fallocate+0x10/0x10 [ 86.274157][ T5346] ? __fget_files+0x3a0/0x420 [ 86.276262][ T5346] ? __fget_files+0x2a/0x420 [ 86.278494][ T5346] __x64_sys_fallocate+0xc0/0x110 [ 86.280934][ T5346] do_syscall_64+0xfa/0xf80 [ 86.282908][ T5346] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.285490][ T5346] ? clear_bhb_loop+0x60/0xb0 [ 86.287621][ T5346] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.290212][ T5346] RIP: 0033:0x7efcdfd8f7c9 [ 86.292175][ T5346] 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 [ 86.300640][ T5346] RSP: 002b:00007efce0b86038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 86.304338][ T5346] RAX: ffffffffffffffda RBX: 00007efcdffe6090 RCX: 00007efcdfd8f7c9 [ 86.307973][ T5346] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000004 [ 86.311350][ T5346] RBP: 00007efcdfe13f91 R08: 0000000000000000 R09: 0000000000000000 [ 86.314943][ T5346] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 86.318562][ T5346] R13: 00007efcdffe6128 R14: 00007efcdffe6090 R15: 00007ffe3420cc38 [ 86.322226][ T5346] [ 86.323730][ T5346] Modules linked in: [ 86.326064][ T5346] ---[ end trace 0000000000000000 ]--- [ 86.328979][ T5346] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 86.331436][ T5346] Code: e8 c4 4b a8 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 60 6f 40 ff 90 0f 0b e8 58 6f 40 ff 90 0f 0b e8 50 6f 40 ff 90 <0f> 0b e8 48 6f 40 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 86.339940][ T5346] RSP: 0018:ffffc9000da0f3a8 EFLAGS: 00010293 [ 86.343086][ T5346] RAX: ffffffff82815100 RBX: 00000000ffffffff RCX: ffff888000d6c980 [ 86.346730][ T5346] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 86.350416][ T5346] RBP: 1ffff11008cd8f63 R08: ffff8880466c8503 R09: 1ffff11008cd90a0 [ 86.353994][ T5346] R10: dffffc0000000000 R11: ffffed1008cd90a1 R12: 0000000000000004 [ 86.357778][ T5346] R13: 0000000000000002 R14: 1ffff11008cd90a3 R15: ffff8880466c8518 [ 86.361322][ T5346] FS: 00007efce0b866c0(0000) GS:ffff88808d22f000(0000) knlGS:0000000000000000 [ 86.365332][ T5346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.368581][ T5346] CR2: 00007efce0b85fc8 CR3: 000000001a318000 CR4: 0000000000352ef0 [ 86.371842][ T5346] Kernel panic - not syncing: Fatal exception [ 86.374838][ T5346] Kernel Offset: disabled [ 86.376752][ T5346] Rebooting in 86400 seconds..