program: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") r2 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDSETMODE(r2, 0x4b3a, 0x1) ioctl$KDFONTOP_GET(r2, 0x4b72, &(0x7f0000000680)={0x1, 0x0, 0x19, 0x13, 0x98, 0x0}) r3 = open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) fallocate(r3, 0x11, 0xfff, 0x8800000) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) r4 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0xe6b42, 0x99) r5 = syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) ioctl$MON_IOCX_MFETCH(r5, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) sendfile(r4, r4, 0x0, 0x800000009) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000f00), r1) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000140)=ANY=[@ANYBLOB="14400800", @ANYRES16=r6, @ANYBLOB="010025bd7000fddbdf2502000000"], 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") (async) syz_open_dev$tty1(0xc, 0x4, 0x1) (async) ioctl$KDSETMODE(r2, 0x4b3a, 0x1) (async) ioctl$KDFONTOP_GET(r2, 0x4b72, &(0x7f0000000680)={0x1, 0x0, 0x19, 0x13, 0x98, 0x0}) (async) open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) (async) fallocate(r3, 0x11, 0xfff, 0x8800000) (async) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) (async) open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) (async) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0xe6b42, 0x99) (async) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) (async) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) (async) ioctl$MON_IOCX_MFETCH(r5, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) (async) sendfile(r4, r4, 0x0, 0x800000009) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000f00), r1) (async) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000140)=ANY=[@ANYBLOB="14400800", @ANYRES16=r6, @ANYBLOB="010025bd7000fddbdf2502000000"], 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x0) (async) [ 74.673063][ T5316] Bluetooth: hci0: command tx timeout [ 74.739227][ T5336] loop0: detected capacity change from 0 to 1024 [ 74.758389][ T5336] ======================================================= [ 74.758389][ T5336] WARNING: The mand mount option has been deprecated and [ 74.758389][ T5336] and is ignored by this kernel. Remove the mand [ 74.758389][ T5336] option from the mount to silence this warning. [ 74.758389][ T5336] ======================================================= [ 74.853650][ T5336] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 74.865133][ T5336] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4215: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 74.874423][ T25] audit: type=1800 audit(1765233580.897:2): pid=5336 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 [ 74.888308][ T25] audit: type=1800 audit(1765233580.907:3): pid=5336 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 [ 74.926867][ T5336] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4215: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 74.938594][ T5337] ------------[ cut here ]------------ [ 74.941466][ T5337] kernel BUG at fs/ext4/mballoc.c:4787! [ 74.944530][ T5337] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 74.947434][ T5337] CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 74.951610][ T5337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.956264][ T5337] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 74.959019][ T5337] Code: e8 c4 4b a8 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 b0 6f 40 ff 90 0f 0b e8 a8 6f 40 ff 90 0f 0b e8 a0 6f 40 ff 90 <0f> 0b e8 98 6f 40 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 74.967637][ T5337] RSP: 0018:ffffc9000b15f3a8 EFLAGS: 00010293 [ 74.970922][ T5337] RAX: ffffffff828150f0 RBX: 00000000ffffffff RCX: ffff88801fb98000 [ 74.974445][ T5337] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 74.977753][ T5337] RBP: 1ffff11008ed1946 R08: ffff88804768d333 R09: 1ffff11008ed1a66 [ 74.981161][ T5337] R10: dffffc0000000000 R11: ffffed1008ed1a67 R12: 0000000000000004 [ 74.984651][ T5337] R13: 0000000000000002 R14: 1ffff11008ed1a69 R15: ffff88804768d348 [ 74.988240][ T5337] FS: 00007fa4d93786c0(0000) GS:ffff88808d239000(0000) knlGS:0000000000000000 [ 74.992203][ T5337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.995216][ T5337] CR2: 00007fa4d9377fc8 CR3: 0000000041dae000 CR4: 0000000000352ef0 [ 74.998794][ T5337] Call Trace: [ 75.000229][ T5337] [ 75.001424][ T5337] ext4_mb_use_preallocated+0x660/0x13f0 [ 75.003728][ T5337] ext4_mb_new_blocks+0x5a1/0x46a0 [ 75.005999][ T5337] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 75.008532][ T5337] ? __kmalloc_noprof+0x43e/0x800 [ 75.011069][ T5337] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 75.013388][ T5337] ? ext4_ext_check_overlap+0x32e/0x580 [ 75.015905][ T5337] ? ext4_ext_find_goal+0xf0/0x1e0 [ 75.018209][ T5337] ext4_ext_map_blocks+0x1877/0x69c0 [ 75.020542][ T5337] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 75.023222][ T5337] ? ext4_es_lookup_extent+0x6cd/0xb00 [ 75.025399][ T5337] ext4_map_blocks+0x82c/0x16f0 [ 75.027133][ T5337] ? __pfx_ext4_map_blocks+0x10/0x10 [ 75.029045][ T5337] ? ext4_mark_iloc_dirty+0x6ec/0x1ca0 [ 75.030825][ T5337] ? ext4_journal_check_start+0x1c/0x2b0 [ 75.033047][ T5337] ? __ext4_journal_start_sb+0x25a/0x580 [ 75.035307][ T5337] ext4_alloc_file_blocks+0x422/0xdb0 [ 75.037771][ T5337] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 75.040202][ T5337] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 75.042550][ T5337] ext4_zero_range+0x38c/0xb70 [ 75.044639][ T5337] ext4_fallocate+0x334/0x3d0 [ 75.046662][ T5337] vfs_fallocate+0x669/0x7e0 [ 75.048646][ T5337] ? __fget_files+0x2a/0x420 [ 75.050596][ T5337] ? __pfx_vfs_fallocate+0x10/0x10 [ 75.052827][ T5337] ? __fget_files+0x3a0/0x420 [ 75.054955][ T5337] ? __fget_files+0x2a/0x420 [ 75.057151][ T5337] __x64_sys_fallocate+0xc0/0x110 [ 75.059564][ T5337] do_syscall_64+0xfa/0xf80 [ 75.061841][ T5337] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.064591][ T5337] ? clear_bhb_loop+0x60/0xb0 [ 75.066730][ T5337] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.069317][ T5337] RIP: 0033:0x7fa4d858f7c9 [ 75.071340][ T5337] 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 [ 75.078799][ T5337] RSP: 002b:00007fa4d9378038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 75.082076][ T5337] RAX: ffffffffffffffda RBX: 00007fa4d87e6090 RCX: 00007fa4d858f7c9 [ 75.085222][ T5337] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000007 [ 75.088436][ T5337] RBP: 00007fa4d8613f91 R08: 0000000000000000 R09: 0000000000000000 [ 75.092034][ T5337] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 75.095382][ T5337] R13: 00007fa4d87e6128 R14: 00007fa4d87e6090 R15: 00007ffdf7c44b88 [ 75.098853][ T5337] [ 75.100464][ T5337] Modules linked in: [ 75.102960][ T5337] ---[ end trace 0000000000000000 ]--- [ 75.105715][ T5337] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 75.108557][ T5337] Code: e8 c4 4b a8 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 b0 6f 40 ff 90 0f 0b e8 a8 6f 40 ff 90 0f 0b e8 a0 6f 40 ff 90 <0f> 0b e8 98 6f 40 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 75.117009][ T5337] RSP: 0018:ffffc9000b15f3a8 EFLAGS: 00010293 [ 75.119655][ T5337] RAX: ffffffff828150f0 RBX: 00000000ffffffff RCX: ffff88801fb98000 [ 75.122991][ T5337] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 75.126591][ T5337] RBP: 1ffff11008ed1946 R08: ffff88804768d333 R09: 1ffff11008ed1a66 [ 75.130126][ T5337] R10: dffffc0000000000 R11: ffffed1008ed1a67 R12: 0000000000000004 [ 75.133802][ T5337] R13: 0000000000000002 R14: 1ffff11008ed1a69 R15: ffff88804768d348 [ 75.137147][ T5337] FS: 00007fa4d93786c0(0000) GS:ffff88808d239000(0000) knlGS:0000000000000000 [ 75.140903][ T5337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.144042][ T5337] CR2: 00007fa4d9377fc8 CR3: 0000000041dae000 CR4: 0000000000352ef0 [ 75.147503][ T5337] Kernel panic - not syncing: Fatal exception [ 75.150714][ T5337] Kernel Offset: disabled [ 75.152789][ T5337] Rebooting in 86400 seconds..