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) io_setup(0x4, &(0x7f0000000000)) r1 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) r2 = syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) ftruncate(r2, 0x8) syz_open_dev$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', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") (async) open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) (async) fallocate(r0, 0x11, 0xfff, 0x8800000) (async) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) (async) io_setup(0x4, &(0x7f0000000000)) (async) open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) (async) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) (async) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) (async) ftruncate(r2, 0x8) (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) [ 86.024108][ T4673] Bluetooth: hci0: command tx timeout [ 86.073477][ T5334] loop0: detected capacity change from 0 to 1024 [ 86.107331][ T5334] ======================================================= [ 86.107331][ T5334] WARNING: The mand mount option has been deprecated and [ 86.107331][ T5334] and is ignored by this kernel. Remove the mand [ 86.107331][ T5334] option from the mount to silence this warning. [ 86.107331][ T5334] ======================================================= [ 86.162653][ T5334] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 86.175942][ T5334] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4113: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 86.185865][ T25] audit: type=1800 audit(1750421554.320:2): pid=5334 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 [ 86.199775][ T25] audit: type=1800 audit(1750421554.330:3): pid=5334 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 [ 86.240011][ T5334] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4113: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 86.249254][ T5335] ------------[ cut here ]------------ [ 86.251841][ T5335] kernel BUG at fs/ext4/mballoc.c:4685! [ 86.254188][ T5335] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 86.257105][ T5335] CPU: 0 UID: 0 PID: 5335 Comm: syz.0.0 Not tainted 6.16.0-rc2-syzkaller-00162-g41687a5c6f8b #0 PREEMPT(full) [ 86.262272][ T5335] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 86.266933][ T5335] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 86.269712][ T5335] Code: e8 44 58 ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 40 da 47 ff 90 0f 0b e8 38 da 47 ff 90 0f 0b e8 30 da 47 ff 90 <0f> 0b e8 28 da 47 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 86.278252][ T5335] RSP: 0018:ffffc9000d5473c8 EFLAGS: 00010293 [ 86.281157][ T5335] RAX: ffffffff82788220 RBX: 00000000ffffffff RCX: ffff888039b44880 [ 86.285023][ T5335] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 86.288514][ T5335] RBP: 1ffff1100881e530 R08: ffff8880440f341b R09: 1ffff1100881e683 [ 86.291951][ T5335] R10: dffffc0000000000 R11: ffffed100881e684 R12: 0000000000000004 [ 86.295386][ T5335] R13: 0000000000000002 R14: 1ffff1100881e686 R15: ffff8880440f3430 [ 86.298961][ T5335] FS: 00007f5cf2e2c6c0(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000 [ 86.302876][ T5335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.305944][ T5335] CR2: 00007f5cf2e2bfc8 CR3: 000000004447b000 CR4: 0000000000352ef0 [ 86.309751][ T5335] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 86.313305][ T5335] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 86.316768][ T5335] Call Trace: [ 86.318323][ T5335] [ 86.319676][ T5335] ext4_mb_use_preallocated+0x660/0x13f0 [ 86.322236][ T5335] ext4_mb_new_blocks+0x5b4/0x46a0 [ 86.324616][ T5335] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 86.327194][ T5335] ? trace_kmalloc+0x1f/0xd0 [ 86.329367][ T5335] ? __kmalloc_noprof+0x29b/0x4f0 [ 86.331689][ T5335] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 86.334309][ T5335] ? ext4_ext_check_overlap+0x32e/0x580 [ 86.337105][ T5335] ? ext4_ext_find_goal+0xf0/0x1e0 [ 86.339710][ T5335] ext4_ext_map_blocks+0x161a/0x6ac0 [ 86.342111][ T5335] ? __pfx___might_resched+0x10/0x10 [ 86.344456][ T5335] ? __lock_acquire+0xab9/0xd20 [ 86.346680][ T5335] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 86.349262][ T5335] ? ext4_es_lookup_extent+0x622/0xa70 [ 86.351683][ T5335] ext4_map_blocks+0x931/0x18d0 [ 86.353875][ T5335] ? __pfx_ext4_map_blocks+0x10/0x10 [ 86.356380][ T5335] ? __ext4_journal_start_sb+0x27e/0x5c0 [ 86.359014][ T5335] ext4_alloc_file_blocks+0x3b8/0xc60 [ 86.361696][ T5335] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 86.364384][ T5335] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 86.366709][ T5335] ext4_zero_range+0x39b/0xb90 [ 86.368686][ T5335] ext4_fallocate+0x74c/0xcd0 [ 86.370771][ T5335] vfs_fallocate+0x6a3/0x830 [ 86.372893][ T5335] ? __fget_files+0x2a/0x420 [ 86.375057][ T5335] ? __pfx_vfs_fallocate+0x10/0x10 [ 86.377496][ T5335] ? __fget_files+0x2a/0x420 [ 86.379780][ T5335] __x64_sys_fallocate+0xc0/0x110 [ 86.382146][ T5335] do_syscall_64+0xfa/0x3b0 [ 86.384307][ T5335] ? lockdep_hardirqs_on+0x9c/0x150 [ 86.386693][ T5335] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.389584][ T5335] ? clear_bhb_loop+0x60/0xb0 [ 86.391888][ T5335] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.394513][ T5335] RIP: 0033:0x7f5cf1f8e929 [ 86.396522][ T5335] 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 [ 86.405098][ T5335] RSP: 002b:00007f5cf2e2c038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 86.408631][ T5335] RAX: ffffffffffffffda RBX: 00007f5cf21b6080 RCX: 00007f5cf1f8e929 [ 86.411995][ T5335] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000004 [ 86.415705][ T5335] RBP: 00007f5cf2010b39 R08: 0000000000000000 R09: 0000000000000000 [ 86.419070][ T5335] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 86.422666][ T5335] R13: 0000000000000000 R14: 00007f5cf21b6080 R15: 00007ffd3181e6a8 [ 86.426432][ T5335] [ 86.428237][ T5335] Modules linked in: [ 86.430825][ T5335] ---[ end trace 0000000000000000 ]--- [ 86.433604][ T5335] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 86.436666][ T5335] Code: e8 44 58 ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 40 da 47 ff 90 0f 0b e8 38 da 47 ff 90 0f 0b e8 30 da 47 ff 90 <0f> 0b e8 28 da 47 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 86.445809][ T5335] RSP: 0018:ffffc9000d5473c8 EFLAGS: 00010293 [ 86.449351][ T5335] RAX: ffffffff82788220 RBX: 00000000ffffffff RCX: ffff888039b44880 [ 86.453585][ T5335] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 86.458291][ T5335] RBP: 1ffff1100881e530 R08: ffff8880440f341b R09: 1ffff1100881e683 [ 86.462408][ T5335] R10: dffffc0000000000 R11: ffffed100881e684 R12: 0000000000000004 [ 86.466050][ T5335] R13: 0000000000000002 R14: 1ffff1100881e686 R15: ffff8880440f3430 [ 86.469528][ T5335] FS: 00007f5cf2e2c6c0(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000 [ 86.473753][ T5335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.476970][ T5335] CR2: 00007f5cf2e2bfc8 CR3: 000000004447b000 CR4: 0000000000352ef0 [ 86.481536][ T5335] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 86.485865][ T5335] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 86.490170][ T5335] Kernel panic - not syncing: Fatal exception [ 86.493747][ T5335] Kernel Offset: disabled [ 86.495983][ T5335] Rebooting in 86400 seconds..