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$usbmon(&(0x7f0000000080), 0x0, 0x0) recvmsg$kcm(r2, &(0x7f0000000180)={&(0x7f00000000c0)=@rxrpc=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @broadcast}}, 0x80, &(0x7f0000000000)=[{&(0x7f0000000300)=""/101, 0x65}, {&(0x7f0000000380)=""/199, 0xc7}], 0x2, &(0x7f0000000480)=""/132, 0x84}, 0x100) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) ioctl$MON_IOCX_MFETCH(r3, 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) open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) (async) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) (async) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) (async) recvmsg$kcm(r2, &(0x7f0000000180)={&(0x7f00000000c0)=@rxrpc=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @broadcast}}, 0x80, &(0x7f0000000000)=[{&(0x7f0000000300)=""/101, 0x65}, {&(0x7f0000000380)=""/199, 0xc7}], 0x2, &(0x7f0000000480)=""/132, 0x84}, 0x100) (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) [ 85.123128][ T4708] Bluetooth: hci0: command tx timeout [ 85.218537][ T5367] loop0: detected capacity change from 0 to 1024 [ 85.223131][ T5367] ======================================================= [ 85.223131][ T5367] WARNING: The mand mount option has been deprecated and [ 85.223131][ T5367] and is ignored by this kernel. Remove the mand [ 85.223131][ T5367] option from the mount to silence this warning. [ 85.223131][ T5367] ======================================================= [ 85.292291][ T5367] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 85.312944][ T5367] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4183: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 85.323563][ T26] audit: type=1800 audit(1757702363.511:2): pid=5367 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 [ 85.337945][ T26] audit: type=1800 audit(1757702363.521:3): pid=5367 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 [ 85.379051][ T5367] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4183: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 85.388920][ T5373] ------------[ cut here ]------------ [ 85.391512][ T5373] kernel BUG at fs/ext4/mballoc.c:4755! [ 85.393931][ T5373] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 85.396713][ T5373] CPU: 0 UID: 0 PID: 5373 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.400458][ T5373] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.405148][ T5373] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 85.407744][ T5373] Code: e8 f4 be aa ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 e0 cd 45 ff 90 0f 0b e8 d8 cd 45 ff 90 0f 0b e8 d0 cd 45 ff 90 <0f> 0b e8 c8 cd 45 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 85.415665][ T5373] RSP: 0018:ffffc9000d427408 EFLAGS: 00010293 [ 85.418035][ T5373] RAX: ffffffff827a00e0 RBX: 00000000ffffffff RCX: ffff88801fb78000 [ 85.421372][ T5373] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 85.424521][ T5373] RBP: 1ffff11008678b46 R08: ffff8880433c641b R09: 1ffff11008678c83 [ 85.427628][ T5373] R10: dffffc0000000000 R11: ffffed1008678c84 R12: 0000000000000004 [ 85.430835][ T5373] R13: 0000000000000002 R14: 1ffff11008678c86 R15: ffff8880433c6430 [ 85.434034][ T5373] FS: 00007f41c34386c0(0000) GS:ffff88808d20a000(0000) knlGS:0000000000000000 [ 85.437695][ T5373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.440481][ T5373] CR2: 00007f41c3437fc8 CR3: 000000003f2dd000 CR4: 0000000000352ef0 [ 85.443795][ T5373] Call Trace: [ 85.445238][ T5373] [ 85.446527][ T5373] ext4_mb_use_preallocated+0x660/0x13f0 [ 85.448900][ T5373] ext4_mb_new_blocks+0x5b4/0x4720 [ 85.451032][ T5373] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 85.453698][ T5373] ? trace_kmalloc+0x1f/0xd0 [ 85.455696][ T5373] ? __kmalloc_noprof+0x29b/0x4f0 [ 85.457831][ T5373] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 85.460116][ T5373] ? ext4_ext_check_overlap+0x32e/0x580 [ 85.462436][ T5373] ? ext4_ext_find_goal+0xf0/0x1e0 [ 85.464626][ T5373] ext4_ext_map_blocks+0x161a/0x6ac0 [ 85.466958][ T5373] ? __lock_acquire+0xab9/0xd20 [ 85.469046][ T5373] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 85.471424][ T5373] ? ext4_es_lookup_extent+0x622/0xa70 [ 85.473852][ T5373] ext4_map_blocks+0x860/0x1740 [ 85.475908][ T5373] ? __pfx_ext4_map_blocks+0x10/0x10 [ 85.478132][ T5373] ? __ext4_journal_start_sb+0x27e/0x5c0 [ 85.480519][ T5373] ext4_alloc_file_blocks+0x42c/0xdb0 [ 85.482755][ T5373] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 85.485353][ T5373] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 85.487622][ T5373] ext4_zero_range+0x39c/0xb90 [ 85.489691][ T5373] ext4_fallocate+0x334/0x3d0 [ 85.491729][ T5373] vfs_fallocate+0x669/0x7e0 [ 85.493712][ T5373] ? __fget_files+0x2a/0x420 [ 85.495659][ T5373] ? __pfx_vfs_fallocate+0x10/0x10 [ 85.497819][ T5373] ? __fget_files+0x2a/0x420 [ 85.499769][ T5373] __x64_sys_fallocate+0xc0/0x110 [ 85.502024][ T5373] do_syscall_64+0xfa/0x3b0 [ 85.504019][ T5373] ? lockdep_hardirqs_on+0x9c/0x150 [ 85.506248][ T5373] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.508879][ T5373] ? clear_bhb_loop+0x60/0xb0 [ 85.510862][ T5373] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.513497][ T5373] RIP: 0033:0x7f41c258eba9 [ 85.515403][ T5373] 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 [ 85.523725][ T5373] RSP: 002b:00007f41c3438038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 85.527299][ T5373] RAX: ffffffffffffffda RBX: 00007f41c27d6180 RCX: 00007f41c258eba9 [ 85.530488][ T5373] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000004 [ 85.533985][ T5373] RBP: 00007f41c2611e19 R08: 0000000000000000 R09: 0000000000000000 [ 85.537420][ T5373] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 85.540835][ T5373] R13: 00007f41c27d6218 R14: 00007f41c27d6180 R15: 00007ffeff6b6098 [ 85.544281][ T5373] [ 85.545609][ T5373] Modules linked in: [ 85.547936][ T5373] ---[ end trace 0000000000000000 ]--- [ 85.550289][ T5373] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 85.553533][ T5373] Code: e8 f4 be aa ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 e0 cd 45 ff 90 0f 0b e8 d8 cd 45 ff 90 0f 0b e8 d0 cd 45 ff 90 <0f> 0b e8 c8 cd 45 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 85.562932][ T5373] RSP: 0018:ffffc9000d427408 EFLAGS: 00010293 [ 85.566135][ T5373] RAX: ffffffff827a00e0 RBX: 00000000ffffffff RCX: ffff88801fb78000 [ 85.569889][ T5373] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 85.573257][ T5373] RBP: 1ffff11008678b46 R08: ffff8880433c641b R09: 1ffff11008678c83 [ 85.576790][ T5373] R10: dffffc0000000000 R11: ffffed1008678c84 R12: 0000000000000004 [ 85.580241][ T5373] R13: 0000000000000002 R14: 1ffff11008678c86 R15: ffff8880433c6430 [ 85.583664][ T5373] FS: 00007f41c34386c0(0000) GS:ffff88808d20a000(0000) knlGS:0000000000000000 [ 85.587639][ T5373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.590449][ T5373] CR2: 00007f41c3437fc8 CR3: 000000003f2dd000 CR4: 0000000000352ef0 [ 85.593918][ T5373] Kernel panic - not syncing: Fatal exception [ 85.596979][ T5373] Kernel Offset: disabled [ 85.598887][ T5373] Rebooting in 86400 seconds..