program: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x804004, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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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) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) r2 = syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) ioctl$MON_IOCX_MFETCH(r2, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) sendfile(r1, r1, 0x0, 0x800000009) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x804004, &(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(r2, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) (async) sendfile(r1, r1, 0x0, 0x800000009) (async) [ 74.625904][ T4656] Bluetooth: hci0: command tx timeout [ 74.663012][ T5312] loop0: detected capacity change from 0 to 1024 [ 74.727209][ T5312] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 74.758755][ T5312] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4113: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 74.780005][ T26] audit: type=1800 audit(1746628993.353:2): pid=5312 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 [ 74.799927][ T26] audit: type=1800 audit(1746628993.363:3): pid=5312 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 [ 74.838914][ T5312] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4113: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 74.847412][ T5313] ------------[ cut here ]------------ [ 74.849780][ T5313] kernel BUG at fs/ext4/mballoc.c:4685! [ 74.852574][ T5313] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 74.855306][ T5313] CPU: 0 UID: 0 PID: 5313 Comm: syz.0.0 Not tainted 6.15.0-rc5-syzkaller-00038-g707df3375124 #0 PREEMPT(full) [ 74.860204][ T5313] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.864662][ T5313] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 74.867325][ T5313] Code: e8 14 ec ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 a0 f7 49 ff 90 0f 0b e8 98 f7 49 ff 90 0f 0b e8 90 f7 49 ff 90 <0f> 0b e8 88 f7 49 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 74.875404][ T5313] RSP: 0018:ffffc9000d4973e8 EFLAGS: 00010293 [ 74.877929][ T5313] RAX: ffffffff8275d8c0 RBX: 00000000ffffffff RCX: ffff88801f4dc880 [ 74.881165][ T5313] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 74.884537][ T5313] RBP: 1ffff11008a00130 R08: ffff88804500141b R09: 1ffff11008a00283 [ 74.888050][ T5313] R10: dffffc0000000000 R11: ffffed1008a00284 R12: 0000000000000004 [ 74.891346][ T5313] R13: 0000000000000002 R14: 1ffff11008a00286 R15: ffff888045001430 [ 74.894619][ T5313] FS: 00007f5ac2dff6c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000 [ 74.898290][ T5313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.901098][ T5313] CR2: 00007f5ac2dfefc8 CR3: 0000000043490000 CR4: 0000000000352ef0 [ 74.904454][ T5313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.907758][ T5313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.911051][ T5313] Call Trace: [ 74.912508][ T5313] [ 74.913798][ T5313] ext4_mb_use_preallocated+0x660/0x13f0 [ 74.916178][ T5313] ext4_mb_new_blocks+0x5b4/0x46a0 [ 74.918418][ T5313] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 74.920868][ T5313] ? trace_kmalloc+0x1f/0xd0 [ 74.922818][ T5313] ? __kmalloc_noprof+0x29b/0x4f0 [ 74.924983][ T5313] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 74.927221][ T5313] ? ext4_ext_check_overlap+0x32e/0x580 [ 74.929572][ T5313] ? ext4_ext_find_goal+0xf0/0x1e0 [ 74.931733][ T5313] ext4_ext_map_blocks+0x1618/0x67c0 [ 74.933992][ T5313] ? __lock_acquire+0xaac/0xd20 [ 74.936068][ T5313] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 74.938440][ T5313] ? ext4_es_lookup_extent+0x622/0xa70 [ 74.940745][ T5313] ext4_map_blocks+0x807/0x1740 [ 74.942774][ T5313] ? __pfx_ext4_map_blocks+0x10/0x10 [ 74.945027][ T5313] ? ext4_reserve_inode_write+0x2cf/0x330 [ 74.947449][ T5313] ? __ext4_journal_start_sb+0x27e/0x5c0 [ 74.949764][ T5313] ext4_alloc_file_blocks+0x3b8/0xc60 [ 74.952017][ T5313] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 74.954489][ T5313] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 74.956812][ T5313] ext4_zero_range+0x39b/0xb90 [ 74.958821][ T5313] ext4_fallocate+0x74c/0xcd0 [ 74.961111][ T5313] vfs_fallocate+0x6a0/0x830 [ 74.963044][ T5313] ? __fget_files+0x2a/0x420 [ 74.965038][ T5313] ? __pfx_vfs_fallocate+0x10/0x10 [ 74.967242][ T5313] ? __fget_files+0x3a0/0x420 [ 74.969234][ T5313] ? __fget_files+0x2a/0x420 [ 74.971238][ T5313] __x64_sys_fallocate+0xc0/0x110 [ 74.973471][ T5313] do_syscall_64+0xf6/0x210 [ 74.975476][ T5313] ? clear_bhb_loop+0x45/0xa0 [ 74.977447][ T5313] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.980086][ T5313] RIP: 0033:0x7f5ac1f8e969 [ 74.982030][ T5313] 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 [ 74.989996][ T5313] RSP: 002b:00007f5ac2dff038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 74.993399][ T5313] RAX: ffffffffffffffda RBX: 00007f5ac21b6080 RCX: 00007f5ac1f8e969 [ 74.996894][ T5313] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000004 [ 75.000251][ T5313] RBP: 00007f5ac2010ab1 R08: 0000000000000000 R09: 0000000000000000 [ 75.003543][ T5313] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 75.007031][ T5313] R13: 0000000000000000 R14: 00007f5ac21b6080 R15: 00007ffda29130b8 [ 75.010294][ T5313] [ 75.011671][ T5313] Modules linked in: [ 75.014243][ T5313] ---[ end trace 0000000000000000 ]--- [ 75.016720][ T5313] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 75.019298][ T5313] Code: e8 14 ec ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 a0 f7 49 ff 90 0f 0b e8 98 f7 49 ff 90 0f 0b e8 90 f7 49 ff 90 <0f> 0b e8 88 f7 49 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 75.027231][ T5313] RSP: 0018:ffffc9000d4973e8 EFLAGS: 00010293 [ 75.029709][ T5313] RAX: ffffffff8275d8c0 RBX: 00000000ffffffff RCX: ffff88801f4dc880 [ 75.033139][ T5313] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 75.036514][ T5313] RBP: 1ffff11008a00130 R08: ffff88804500141b R09: 1ffff11008a00283 [ 75.039952][ T5313] R10: dffffc0000000000 R11: ffffed1008a00284 R12: 0000000000000004 [ 75.043277][ T5313] R13: 0000000000000002 R14: 1ffff11008a00286 R15: ffff888045001430 [ 75.046657][ T5313] FS: 00007f5ac2dff6c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000 [ 75.050443][ T5313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.053312][ T5313] CR2: 00007f5ac2dfefc8 CR3: 0000000043490000 CR4: 0000000000352ef0 [ 75.057018][ T5313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.060291][ T5313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.063834][ T5313] Kernel panic - not syncing: Fatal exception [ 75.066781][ T5313] Kernel Offset: disabled [ 75.068634][ T5313] Rebooting in 86400 seconds..