program: r0 = syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") r1 = open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) fallocate(r1, 0x11, 0xfff, 0x8800000) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) r2 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) fallocate(r0, 0x9, 0x8, 0x9) r3 = syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) ioctl$MON_IOCX_MFETCH(r3, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) sendfile(r2, r2, 0x0, 0x800000009) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") (async) open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) (async) fallocate(r1, 0x11, 0xfff, 0x8800000) (async) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) (async) open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) (async) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) (async) fallocate(r0, 0x9, 0x8, 0x9) (async) syz_open_dev$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(r2, r2, 0x0, 0x800000009) (async) [ 69.127598][ T5314] Bluetooth: hci0: command tx timeout [ 69.176960][ T5329] loop0: detected capacity change from 0 to 1024 [ 69.199871][ T5329] ======================================================= [ 69.199871][ T5329] WARNING: The mand mount option has been deprecated and [ 69.199871][ T5329] and is ignored by this kernel. Remove the mand [ 69.199871][ T5329] option from the mount to silence this warning. [ 69.199871][ T5329] ======================================================= [ 69.255802][ T5329] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 69.265785][ T5329] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4113: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 69.275134][ T25] audit: type=1800 audit(1744656580.138:2): pid=5329 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 [ 69.285893][ T25] audit: type=1800 audit(1744656580.148:3): pid=5329 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 [ 69.320345][ T5329] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4113: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 69.330099][ T5334] ------------[ cut here ]------------ [ 69.332334][ T5334] kernel BUG at fs/ext4/mballoc.c:4685! [ 69.334523][ T5334] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 69.336955][ T5334] CPU: 0 UID: 0 PID: 5334 Comm: syz.0.0 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699 #0 PREEMPT(full) [ 69.341402][ T5334] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.345598][ T5334] RIP: 0010:ext4_mb_use_inode_pa+0x690/0x700 [ 69.347814][ T5334] Code: 00 6e f0 8e 4c 89 e6 48 89 ea e8 cb 7e b7 02 e9 be fc ff ff e8 c1 f6 39 ff 90 0f 0b e8 b9 f6 39 ff 90 0f 0b e8 b1 f6 39 ff 90 <0f> 0b e8 a9 f6 39 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 69.355099][ T5334] RSP: 0018:ffffc9000ffcf368 EFLAGS: 00010293 [ 69.357685][ T5334] RAX: ffffffff82895e7f RBX: 00000000ffffffff RCX: ffff8880007d4880 [ 69.360889][ T5334] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 69.364159][ T5334] RBP: 0000000000000004 R08: ffffffff82895b7f R09: 1ffff110086f28a0 [ 69.367722][ T5334] R10: dffffc0000000000 R11: ffffed10086f28a1 R12: ffff888043794518 [ 69.371047][ T5334] R13: 1ffff11008a01f30 R14: 0000000000000002 R15: 1ffff110086f28a3 [ 69.373862][ T5334] FS: 00007f6ba94756c0(0000) GS:ffff88808c593000(0000) knlGS:0000000000000000 [ 69.377513][ T5334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.380125][ T5334] CR2: 00007f6ba9474fd8 CR3: 0000000040de2000 CR4: 0000000000352ef0 [ 69.383358][ T5334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.386351][ T5334] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.389277][ T5334] Call Trace: [ 69.390605][ T5334] [ 69.391795][ T5334] ext4_mb_use_preallocated+0x680/0x1420 [ 69.393943][ T5334] ext4_mb_new_blocks+0x6f1/0x4e10 [ 69.396005][ T5334] ? _raw_write_unlock+0x28/0x50 [ 69.397976][ T5334] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 69.400256][ T5334] ? rcu_is_watching+0x15/0xb0 [ 69.402257][ T5334] ? trace_kmalloc+0x1f/0xd0 [ 69.404039][ T5334] ? __kmalloc_noprof+0x2ae/0x4d0 [ 69.405940][ T5334] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 69.408101][ T5334] ? ext4_ext_search_right+0x3b8/0x890 [ 69.410168][ T5334] ? ext4_ext_check_overlap+0x38c/0x5c0 [ 69.412301][ T5334] ? ext4_ext_find_goal+0xf2/0x1e0 [ 69.414263][ T5334] ext4_ext_map_blocks+0x1c09/0x7d80 [ 69.416354][ T5334] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 69.418728][ T5334] ? __lock_acquire+0xad5/0xd80 [ 69.420676][ T5334] ? __pfx_down_write+0x10/0x10 [ 69.422629][ T5334] ? ext4_es_lookup_extent+0x61a/0xa90 [ 69.424791][ T5334] ext4_map_blocks+0x91b/0x1920 [ 69.426662][ T5334] ? __pfx_ext4_map_blocks+0x10/0x10 [ 69.428679][ T5334] ? inode_set_ctime_current+0x744/0xed0 [ 69.430884][ T5334] ? ext4_journal_check_start+0x1d0/0x2a0 [ 69.433100][ T5334] ? __ext4_journal_start_sb+0x290/0x600 [ 69.435067][ T5334] ext4_alloc_file_blocks+0x482/0xed0 [ 69.436948][ T5334] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 69.438985][ T5334] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 69.440998][ T5334] ext4_zero_range+0x3ba/0xb50 [ 69.442768][ T5334] ext4_fallocate+0x6e9/0xcc0 [ 69.444531][ T5334] ? __pfx_ext4_fallocate+0x10/0x10 [ 69.446384][ T5334] vfs_fallocate+0x627/0x7a0 [ 69.448090][ T5334] ? __pfx_vfs_fallocate+0x10/0x10 [ 69.450119][ T5334] __x64_sys_fallocate+0xbc/0x110 [ 69.452194][ T5334] do_syscall_64+0xf3/0x230 [ 69.454466][ T5334] ? clear_bhb_loop+0x45/0xa0 [ 69.456572][ T5334] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.458888][ T5334] RIP: 0033:0x7f6ba858d169 [ 69.460601][ T5334] 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 [ 69.467568][ T5334] RSP: 002b:00007f6ba9475038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 69.470492][ T5334] RAX: ffffffffffffffda RBX: 00007f6ba87a6160 RCX: 00007f6ba858d169 [ 69.473246][ T5334] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000004 [ 69.475954][ T5334] RBP: 00007f6ba860e990 R08: 0000000000000000 R09: 0000000000000000 [ 69.478710][ T5334] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 69.481608][ T5334] R13: 0000000000000001 R14: 00007f6ba87a6160 R15: 00007ffe7b53b7e8 [ 69.484836][ T5334] [ 69.485924][ T5334] Modules linked in: [ 69.488259][ T5334] ---[ end trace 0000000000000000 ]--- [ 69.490882][ T5334] RIP: 0010:ext4_mb_use_inode_pa+0x690/0x700 [ 69.493315][ T5334] Code: 00 6e f0 8e 4c 89 e6 48 89 ea e8 cb 7e b7 02 e9 be fc ff ff e8 c1 f6 39 ff 90 0f 0b e8 b9 f6 39 ff 90 0f 0b e8 b1 f6 39 ff 90 <0f> 0b e8 a9 f6 39 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 69.500841][ T5334] RSP: 0018:ffffc9000ffcf368 EFLAGS: 00010293 [ 69.503187][ T5334] RAX: ffffffff82895e7f RBX: 00000000ffffffff RCX: ffff8880007d4880 [ 69.506266][ T5334] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 69.509291][ T5334] RBP: 0000000000000004 R08: ffffffff82895b7f R09: 1ffff110086f28a0 [ 69.512275][ T5334] R10: dffffc0000000000 R11: ffffed10086f28a1 R12: ffff888043794518 [ 69.515528][ T5334] R13: 1ffff11008a01f30 R14: 0000000000000002 R15: 1ffff110086f28a3 [ 69.518799][ T5334] FS: 00007f6ba94756c0(0000) GS:ffff88808c593000(0000) knlGS:0000000000000000 [ 69.522073][ T5334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.524481][ T5334] CR2: 00007f6ba9474fd8 CR3: 0000000040de2000 CR4: 0000000000352ef0 [ 69.527830][ T5334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.531038][ T5334] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.534478][ T5334] Kernel panic - not syncing: Fatal exception [ 69.537173][ T5334] Kernel Offset: disabled [ 69.538890][ T5334] Rebooting in 86400 seconds..