program: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040), 0x200002, 0x0) 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) r3 = syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) ioctl$MON_IOCX_MFETCH(r3, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) sendfile(r2, r2, 0x0, 0x800000009) r4 = openat$cgroup_freezer_state(r0, &(0x7f0000000080), 0x2, 0x0) write$cgroup_freezer_state(r4, &(0x7f00000000c0)='FROZEN\x00', 0x7) mkdirat$cgroup(r0, &(0x7f00000002c0)='syz1\x00', 0x1ff) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.net/syz0\x00', 0x1ff) (async) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040), 0x200002, 0x0) (async) 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) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) (async) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) (async) ioctl$MON_IOCX_MFETCH(r3, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) (async) sendfile(r2, r2, 0x0, 0x800000009) (async) openat$cgroup_freezer_state(r0, &(0x7f0000000080), 0x2, 0x0) (async) write$cgroup_freezer_state(r4, &(0x7f00000000c0)='FROZEN\x00', 0x7) (async) mkdirat$cgroup(r0, &(0x7f00000002c0)='syz1\x00', 0x1ff) (async) [ 69.755933][ T4685] Bluetooth: hci0: command tx timeout [ 69.867102][ T5340] loop0: detected capacity change from 0 to 1024 [ 69.881136][ T5340] ======================================================= [ 69.881136][ T5340] WARNING: The mand mount option has been deprecated and [ 69.881136][ T5340] and is ignored by this kernel. Remove the mand [ 69.881136][ T5340] option from the mount to silence this warning. [ 69.881136][ T5340] ======================================================= [ 69.941648][ T5340] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 69.951165][ T5340] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4193: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 69.959719][ T25] audit: type=1800 audit(1764727044.112:2): pid=5340 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 [ 69.982482][ T25] audit: type=1800 audit(1764727044.122:3): pid=5340 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 [ 70.024001][ T5340] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4193: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 70.049523][ T5340] Freezing with imperfect legacy cgroup freezer. See cgroup.freeze of cgroup v2 [ 70.083448][ T5341] ------------[ cut here ]------------ [ 70.085912][ T5341] kernel BUG at fs/ext4/mballoc.c:4765! [ 70.088283][ T5341] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 70.091121][ T5341] CPU: 0 UID: 0 PID: 5341 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 70.095007][ T5341] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 70.099492][ T5341] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 70.102225][ T5341] Code: e8 e4 11 a9 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 60 fc 41 ff 90 0f 0b e8 58 fc 41 ff 90 0f 0b e8 50 fc 41 ff 90 <0f> 0b e8 48 fc 41 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 70.110377][ T5341] RSP: 0018:ffffc9000d5cf3e8 EFLAGS: 00010293 [ 70.112995][ T5341] RAX: ffffffff827f11e0 RBX: 00000000ffffffff RCX: ffff88801f3724c0 [ 70.116438][ T5341] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 70.119930][ T5341] RBP: 1ffff110084f6146 R08: ffff8880427b1503 R09: 1ffff110084f62a0 [ 70.123367][ T5341] R10: dffffc0000000000 R11: ffffed10084f62a1 R12: 0000000000000004 [ 70.126763][ T5341] R13: 0000000000000002 R14: 1ffff110084f62a3 R15: ffff8880427b1518 [ 70.130388][ T5341] FS: 00007fbe1a9f06c0(0000) GS:ffff88808d6b7000(0000) knlGS:0000000000000000 [ 70.134339][ T5341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.137143][ T5341] CR2: 00007fbe1a9effc8 CR3: 0000000011062000 CR4: 0000000000352ef0 [ 70.140714][ T5341] Call Trace: [ 70.142317][ T5341] [ 70.143606][ T5341] ext4_mb_use_preallocated+0x660/0x13f0 [ 70.146105][ T5341] ext4_mb_new_blocks+0x5a1/0x46a0 [ 70.148383][ T5341] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 70.151006][ T5341] ? __kmalloc_noprof+0x432/0x7e0 [ 70.153298][ T5341] ? ext4_find_extent+0x207/0xcc0 [ 70.155386][ T5341] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 70.157887][ T5341] ? ext4_ext_check_overlap+0x32e/0x580 [ 70.160463][ T5341] ? ext4_ext_find_goal+0xf0/0x1e0 [ 70.162769][ T5341] ext4_ext_map_blocks+0x1883/0x6a10 [ 70.165153][ T5341] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 70.167715][ T5341] ? ext4_es_lookup_extent+0x60e/0xa30 [ 70.170084][ T5341] ext4_map_blocks+0x860/0x1740 [ 70.172249][ T5341] ? __pfx_ext4_map_blocks+0x10/0x10 [ 70.174601][ T5341] ? ext4_mark_iloc_dirty+0x6ec/0x1ca0 [ 70.176985][ T5341] ? ext4_journal_check_start+0x1c/0x2b0 [ 70.179453][ T5341] ? __ext4_journal_start_sb+0x25a/0x580 [ 70.181840][ T5341] ext4_alloc_file_blocks+0x42c/0xdb0 [ 70.184193][ T5341] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 70.186749][ T5341] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 70.189077][ T5341] ext4_zero_range+0x38c/0xb70 [ 70.191066][ T5341] ext4_fallocate+0x334/0x3d0 [ 70.192880][ T5341] vfs_fallocate+0x669/0x7e0 [ 70.194556][ T5341] ? __fget_files+0x2a/0x420 [ 70.196231][ T5341] ? __pfx_vfs_fallocate+0x10/0x10 [ 70.198367][ T5341] ? __fget_files+0x3a0/0x420 [ 70.200452][ T5341] ? __fget_files+0x2a/0x420 [ 70.202483][ T5341] __x64_sys_fallocate+0xc0/0x110 [ 70.204696][ T5341] do_syscall_64+0xfa/0xf80 [ 70.206724][ T5341] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.209357][ T5341] ? clear_bhb_loop+0x60/0xb0 [ 70.211430][ T5341] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.213943][ T5341] RIP: 0033:0x7fbe19b8f7c9 [ 70.215853][ T5341] 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 [ 70.224068][ T5341] RSP: 002b:00007fbe1a9f0038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 70.227682][ T5341] RAX: ffffffffffffffda RBX: 00007fbe19de6090 RCX: 00007fbe19b8f7c9 [ 70.231136][ T5341] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000005 [ 70.234545][ T5341] RBP: 00007fbe19c13f91 R08: 0000000000000000 R09: 0000000000000000 [ 70.238075][ T5341] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 70.241491][ T5341] R13: 00007fbe19de6128 R14: 00007fbe19de6090 R15: 00007fff6232fd08 [ 70.246019][ T5341] [ 70.247344][ T5341] Modules linked in: [ 70.249712][ T5341] ---[ end trace 0000000000000000 ]--- [ 70.252545][ T5341] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 70.255234][ T5341] Code: e8 e4 11 a9 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 60 fc 41 ff 90 0f 0b e8 58 fc 41 ff 90 0f 0b e8 50 fc 41 ff 90 <0f> 0b e8 48 fc 41 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 70.263512][ T5341] RSP: 0018:ffffc9000d5cf3e8 EFLAGS: 00010293 [ 70.266169][ T5341] RAX: ffffffff827f11e0 RBX: 00000000ffffffff RCX: ffff88801f3724c0 [ 70.269724][ T5341] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 70.273142][ T5341] RBP: 1ffff110084f6146 R08: ffff8880427b1503 R09: 1ffff110084f62a0 [ 70.276483][ T5341] R10: dffffc0000000000 R11: ffffed10084f62a1 R12: 0000000000000004 [ 70.280085][ T5341] R13: 0000000000000002 R14: 1ffff110084f62a3 R15: ffff8880427b1518 [ 70.283534][ T5341] FS: 00007fbe1a9f06c0(0000) GS:ffff88808d6b7000(0000) knlGS:0000000000000000 [ 70.288194][ T5341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.290955][ T5341] CR2: 00007fbe1a9effc8 CR3: 0000000011062000 CR4: 0000000000352ef0 [ 70.294466][ T5341] Kernel panic - not syncing: Fatal exception [ 70.297344][ T5341] Kernel Offset: disabled [ 70.299077][ T5341] Rebooting in 86400 seconds..