program: r0 = socket$packet(0x11, 0x3, 0x300) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000100), r2) getsockname$packet(r2, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000000c0)=@newlink={0x34, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r3, 0x9801}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @gre={{0x8}, {0x8, 0x2, 0x0, 0x1, [@IFLA_GRE_COLLECT_METADATA={0x4}]}}}]}, 0x34}}, 0x0) sendto$packet(r0, &(0x7f0000000180)='9', 0x1, 0x0, &(0x7f0000000200)={0x11, 0x7, r3, 0x1, 0x0, 0x6, @local}, 0x14) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") r4 = open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) fallocate(r4, 0x11, 0xfff, 0x8800000) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x2c040, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000000)='nfs4\x00', 0x0, &(0x7f00000001c0)='\x01') truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) r5 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) r6 = syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) ioctl$MON_IOCX_MFETCH(r6, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) sendfile(r5, r5, 0x0, 0x800000009) socket$packet(0x11, 0x3, 0x300) (async) socket$nl_route(0x10, 0x3, 0x0) (async) socket(0x10, 0x803, 0x0) (async) syz_genetlink_get_family_id$batadv(&(0x7f0000000100), r2) (async) getsockname$packet(r2, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) (async) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000000c0)=@newlink={0x34, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r3, 0x9801}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @gre={{0x8}, {0x8, 0x2, 0x0, 0x1, [@IFLA_GRE_COLLECT_METADATA={0x4}]}}}]}, 0x34}}, 0x0) (async) sendto$packet(r0, &(0x7f0000000180)='9', 0x1, 0x0, &(0x7f0000000200)={0x11, 0x7, r3, 0x1, 0x0, 0x6, @local}, 0x14) (async) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") (async) open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) (async) fallocate(r4, 0x11, 0xfff, 0x8800000) (async) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x2c040, 0x0) (async) mount(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000000)='nfs4\x00', 0x0, &(0x7f00000001c0)='\x01') (async) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) (async) open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) (async) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) (async) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) (async) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) (async) ioctl$MON_IOCX_MFETCH(r6, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) (async) sendfile(r5, r5, 0x0, 0x800000009) (async) [ 73.645535][ T4672] Bluetooth: hci0: command tx timeout [ 73.750393][ T5322] loop0: detected capacity change from 0 to 1024 [ 73.771518][ T5322] ======================================================= [ 73.771518][ T5322] WARNING: The mand mount option has been deprecated and [ 73.771518][ T5322] and is ignored by this kernel. Remove the mand [ 73.771518][ T5322] option from the mount to silence this warning. [ 73.771518][ T5322] ======================================================= [ 73.877054][ T5322] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 73.905483][ T5322] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4113: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 73.917421][ T25] audit: type=1800 audit(1749912040.504:2): pid=5322 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 [ 73.939046][ T25] audit: type=1800 audit(1749912040.524:3): pid=5322 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 [ 73.997141][ T5322] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4113: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 74.015097][ T5327] ------------[ cut here ]------------ [ 74.017825][ T5327] kernel BUG at fs/ext4/mballoc.c:4685! [ 74.020483][ T5327] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 74.023309][ T5327] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.16.0-rc1-syzkaller-00203-g4774cfe3543a #0 PREEMPT(full) [ 74.027821][ T5327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.032348][ T5327] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 74.035637][ T5327] Code: e8 64 53 ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 10 dc 47 ff 90 0f 0b e8 08 dc 47 ff 90 0f 0b e8 00 dc 47 ff 90 <0f> 0b e8 f8 db 47 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 74.044748][ T5327] RSP: 0018:ffffc9000f6673c8 EFLAGS: 00010293 [ 74.047603][ T5327] RAX: ffffffff82788040 RBX: 00000000ffffffff RCX: ffff8880001c0000 [ 74.051534][ T5327] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 74.054975][ T5327] RBP: 1ffff110086ff530 R08: ffff8880437fb5eb R09: 1ffff110086ff6bd [ 74.058591][ T5327] R10: dffffc0000000000 R11: ffffed10086ff6be R12: 0000000000000004 [ 74.062355][ T5327] R13: 0000000000000002 R14: 1ffff110086ff6c0 R15: ffff8880437fb600 [ 74.066413][ T5327] FS: 00007f11b82616c0(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000 [ 74.070451][ T5327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.073358][ T5327] CR2: 00007f11b8260fc8 CR3: 0000000043172000 CR4: 0000000000352ef0 [ 74.076922][ T5327] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.080789][ T5327] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.085229][ T5327] Call Trace: [ 74.086900][ T5327] [ 74.088173][ T5327] ext4_mb_use_preallocated+0x660/0x13f0 [ 74.090485][ T5327] ext4_mb_new_blocks+0x5b4/0x46a0 [ 74.092908][ T5327] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 74.095889][ T5327] ? trace_kmalloc+0x1f/0xd0 [ 74.098150][ T5327] ? __kmalloc_noprof+0x29b/0x4f0 [ 74.100303][ T5327] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 74.102698][ T5327] ? ext4_ext_check_overlap+0x32e/0x580 [ 74.105185][ T5327] ? ext4_ext_find_goal+0xf0/0x1e0 [ 74.107894][ T5327] ext4_ext_map_blocks+0x161a/0x6ac0 [ 74.110452][ T5327] ? __pfx___might_resched+0x10/0x10 [ 74.112611][ T5327] ? __lock_acquire+0xab9/0xd20 [ 74.114636][ T5327] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 74.117067][ T5327] ? ext4_es_lookup_extent+0x622/0xa70 [ 74.119976][ T5327] ext4_map_blocks+0x931/0x18d0 [ 74.122441][ T5327] ? __pfx_ext4_map_blocks+0x10/0x10 [ 74.124720][ T5327] ? __ext4_journal_start_sb+0x27e/0x5c0 [ 74.127100][ T5327] ext4_alloc_file_blocks+0x3b8/0xc60 [ 74.129478][ T5327] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 74.132255][ T5327] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 74.135049][ T5327] ext4_zero_range+0x39b/0xb90 [ 74.137254][ T5327] ext4_fallocate+0x74c/0xcd0 [ 74.139776][ T5327] vfs_fallocate+0x6a3/0x830 [ 74.141981][ T5327] ? __fget_files+0x2a/0x420 [ 74.144464][ T5327] ? __pfx_vfs_fallocate+0x10/0x10 [ 74.146893][ T5327] ? __fget_files+0x2a/0x420 [ 74.148924][ T5327] __x64_sys_fallocate+0xc0/0x110 [ 74.151131][ T5327] do_syscall_64+0xfa/0x3b0 [ 74.153188][ T5327] ? lockdep_hardirqs_on+0x9c/0x150 [ 74.155721][ T5327] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.158555][ T5327] ? clear_bhb_loop+0x60/0xb0 [ 74.160502][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.162886][ T5327] RIP: 0033:0x7f11b738e929 [ 74.164925][ T5327] 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 [ 74.173301][ T5327] RSP: 002b:00007f11b8261038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 74.177133][ T5327] RAX: ffffffffffffffda RBX: 00007f11b75b6160 RCX: 00007f11b738e929 [ 74.180391][ T5327] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000007 [ 74.183709][ T5327] RBP: 00007f11b7410b39 R08: 0000000000000000 R09: 0000000000000000 [ 74.187189][ T5327] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 74.190639][ T5327] R13: 0000000000000001 R14: 00007f11b75b6160 R15: 00007ffc4ccfc878 [ 74.194114][ T5327] [ 74.195440][ T5327] Modules linked in: [ 74.198077][ T5327] ---[ end trace 0000000000000000 ]--- [ 74.200435][ T5327] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 74.203712][ T5327] Code: e8 64 53 ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 10 dc 47 ff 90 0f 0b e8 08 dc 47 ff 90 0f 0b e8 00 dc 47 ff 90 <0f> 0b e8 f8 db 47 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 74.211681][ T5327] RSP: 0018:ffffc9000f6673c8 EFLAGS: 00010293 [ 74.214576][ T5327] RAX: ffffffff82788040 RBX: 00000000ffffffff RCX: ffff8880001c0000 [ 74.218183][ T5327] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 74.221376][ T5327] RBP: 1ffff110086ff530 R08: ffff8880437fb5eb R09: 1ffff110086ff6bd [ 74.225141][ T5327] R10: dffffc0000000000 R11: ffffed10086ff6be R12: 0000000000000004 [ 74.228919][ T5327] R13: 0000000000000002 R14: 1ffff110086ff6c0 R15: ffff8880437fb600 [ 74.232211][ T5327] FS: 00007f11b82616c0(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000 [ 74.236147][ T5327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.239234][ T5327] CR2: 00007f11b8260fc8 CR3: 0000000043172000 CR4: 0000000000352ef0 [ 74.242741][ T5327] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.246048][ T5327] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.249829][ T5327] Kernel panic - not syncing: Fatal exception [ 74.253156][ T5327] Kernel Offset: disabled [ 74.255010][ T5327] Rebooting in 86400 seconds..