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) openat(r2, &(0x7f0000000000)='./file1\x00', 0x408000, 0x20) r3 = syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) ioctl$MON_IOCX_MFETCH(r3, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) sendfile(r1, r1, 0x0, 0x800000009) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") (async) open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) (async) fallocate(r0, 0x11, 0xfff, 0x8800000) (async) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) (async) open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) (async) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) (async) openat(r2, &(0x7f0000000000)='./file1\x00', 0x408000, 0x20) (async) syz_open_dev$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) [ 74.162509][ T5303] Bluetooth: hci0: command tx timeout [ 74.223688][ T5324] loop0: detected capacity change from 0 to 1024 [ 74.245244][ T5324] ======================================================= [ 74.245244][ T5324] WARNING: The mand mount option has been deprecated and [ 74.245244][ T5324] and is ignored by this kernel. Remove the mand [ 74.245244][ T5324] option from the mount to silence this warning. [ 74.245244][ T5324] ======================================================= [ 74.324005][ T5324] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 74.335464][ T5324] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4113: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 74.347102][ T26] audit: type=1800 audit(1751500850.122:2): pid=5324 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 [ 74.361838][ T26] audit: type=1800 audit(1751500850.142:3): pid=5324 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 [ 74.404628][ T5324] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4113: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 74.414945][ T5329] ------------[ cut here ]------------ [ 74.417427][ T5329] kernel BUG at fs/ext4/mballoc.c:4685! [ 74.420683][ T5329] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 74.423791][ T5329] CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted 6.16.0-rc4-syzkaller-00049-gb4911fb0b060 #0 PREEMPT(full) [ 74.429120][ T5329] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.434306][ T5329] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 74.437455][ T5329] Code: e8 f4 51 ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 40 cf 47 ff 90 0f 0b e8 38 cf 47 ff 90 0f 0b e8 30 cf 47 ff 90 <0f> 0b e8 28 cf 47 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 74.446107][ T5329] RSP: 0018:ffffc9000d5573c8 EFLAGS: 00010293 [ 74.448863][ T5329] RAX: ffffffff82787f70 RBX: 00000000ffffffff RCX: ffff88803377a440 [ 74.452606][ T5329] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 74.456690][ T5329] RBP: 1ffff110086e9d30 R08: ffff88804374f333 R09: 1ffff110086e9e66 [ 74.460128][ T5329] R10: dffffc0000000000 R11: ffffed10086e9e67 R12: 0000000000000004 [ 74.463639][ T5329] R13: 0000000000000002 R14: 1ffff110086e9e69 R15: ffff88804374f348 [ 74.467168][ T5329] FS: 00007fe677bd46c0(0000) GS:ffff88808d250000(0000) knlGS:0000000000000000 [ 74.470920][ T5329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.473817][ T5329] CR2: 00007fe677bd3fc8 CR3: 0000000042b3e000 CR4: 0000000000352ef0 [ 74.477339][ T5329] Call Trace: [ 74.478898][ T5329] [ 74.480321][ T5329] ext4_mb_use_preallocated+0x660/0x13f0 [ 74.483109][ T5329] ext4_mb_new_blocks+0x5b4/0x46a0 [ 74.485675][ T5329] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 74.488406][ T5329] ? trace_kmalloc+0x1f/0xd0 [ 74.490544][ T5329] ? __kmalloc_noprof+0x29b/0x4f0 [ 74.492720][ T5329] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 74.495132][ T5329] ? ext4_ext_check_overlap+0x32e/0x580 [ 74.497612][ T5329] ? ext4_ext_find_goal+0xf0/0x1e0 [ 74.499894][ T5329] ext4_ext_map_blocks+0x161a/0x6ac0 [ 74.502280][ T5329] ? __pfx___might_resched+0x10/0x10 [ 74.504618][ T5329] ? __lock_acquire+0xab9/0xd20 [ 74.506764][ T5329] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 74.509237][ T5329] ? ext4_es_lookup_extent+0x622/0xa70 [ 74.511720][ T5329] ext4_map_blocks+0x931/0x18d0 [ 74.514006][ T5329] ? __pfx_ext4_map_blocks+0x10/0x10 [ 74.516390][ T5329] ? __ext4_journal_start_sb+0x27e/0x5c0 [ 74.518988][ T5329] ext4_alloc_file_blocks+0x3b8/0xc60 [ 74.521617][ T5329] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 74.524295][ T5329] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 74.526841][ T5329] ext4_zero_range+0x39b/0xb90 [ 74.529071][ T5329] ext4_fallocate+0x74c/0xcd0 [ 74.531270][ T5329] vfs_fallocate+0x6a0/0x830 [ 74.533435][ T5329] ? __fget_files+0x2a/0x420 [ 74.535700][ T5329] ? __pfx_vfs_fallocate+0x10/0x10 [ 74.538085][ T5329] ? __fget_files+0x2a/0x420 [ 74.540265][ T5329] __x64_sys_fallocate+0xc0/0x110 [ 74.542514][ T5329] do_syscall_64+0xfa/0x3b0 [ 74.544620][ T5329] ? lockdep_hardirqs_on+0x9c/0x150 [ 74.547155][ T5329] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.549885][ T5329] ? clear_bhb_loop+0x60/0xb0 [ 74.552091][ T5329] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.554784][ T5329] RIP: 0033:0x7fe67b78e929 [ 74.556745][ T5329] 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 [ 74.565596][ T5329] RSP: 002b:00007fe677bd4038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 74.569307][ T5329] RAX: ffffffffffffffda RBX: 00007fe67b9b6160 RCX: 00007fe67b78e929 [ 74.572989][ T5329] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000004 [ 74.576665][ T5329] RBP: 00007fe67b810b39 R08: 0000000000000000 R09: 0000000000000000 [ 74.580469][ T5329] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 74.584077][ T5329] R13: 0000000000000001 R14: 00007fe67b9b6160 R15: 00007ffd46dfe8a8 [ 74.587880][ T5329] [ 74.589431][ T5329] Modules linked in: [ 74.592155][ T5329] ---[ end trace 0000000000000000 ]--- [ 74.595133][ T5329] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 74.597862][ T5329] Code: e8 f4 51 ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 40 cf 47 ff 90 0f 0b e8 38 cf 47 ff 90 0f 0b e8 30 cf 47 ff 90 <0f> 0b e8 28 cf 47 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 74.606944][ T5329] RSP: 0018:ffffc9000d5573c8 EFLAGS: 00010293 [ 74.610064][ T5329] RAX: ffffffff82787f70 RBX: 00000000ffffffff RCX: ffff88803377a440 [ 74.613731][ T5329] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 74.617406][ T5329] RBP: 1ffff110086e9d30 R08: ffff88804374f333 R09: 1ffff110086e9e66 [ 74.621368][ T5329] R10: dffffc0000000000 R11: ffffed10086e9e67 R12: 0000000000000004 [ 74.625241][ T5329] R13: 0000000000000002 R14: 1ffff110086e9e69 R15: ffff88804374f348 [ 74.628909][ T5329] FS: 00007fe677bd46c0(0000) GS:ffff88808d250000(0000) knlGS:0000000000000000 [ 74.633112][ T5329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.636229][ T5329] CR2: 00007fe677bd3fc8 CR3: 0000000042b3e000 CR4: 0000000000352ef0 [ 74.639936][ T5329] Kernel panic - not syncing: Fatal exception [ 74.642830][ T5329] Kernel Offset: disabled [ 74.644707][ T5329] Rebooting in 86400 seconds..