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) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) r2 = syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) ioctl$MON_IOCX_MFETCH(r2, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) r3 = socket$l2tp6(0xa, 0x2, 0x73) ioctl$sock_TIOCOUTQ(r3, 0x5411, &(0x7f0000000000)) sendfile(r1, r1, 0x0, 0x800000009) syz_mount_image$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) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) (async) ioctl$MON_IOCX_MFETCH(r2, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) (async) socket$l2tp6(0xa, 0x2, 0x73) (async) ioctl$sock_TIOCOUTQ(r3, 0x5411, &(0x7f0000000000)) (async) sendfile(r1, r1, 0x0, 0x800000009) (async) [ 58.093069][ T5350] loop0: detected capacity change from 0 to 1024 [ 58.106144][ T5350] ======================================================= [ 58.106144][ T5350] WARNING: The mand mount option has been deprecated and [ 58.106144][ T5350] and is ignored by this kernel. Remove the mand [ 58.106144][ T5350] option from the mount to silence this warning. [ 58.106144][ T5350] ======================================================= [ 58.152479][ T5350] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 58.160093][ T5350] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4183: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 58.168712][ T25] audit: type=1800 audit(1755689131.182:2): pid=5350 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 [ 58.180113][ T25] audit: type=1800 audit(1755689131.192:3): pid=5350 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 [ 58.212363][ T5350] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4183: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 58.220825][ T5355] ------------[ cut here ]------------ [ 58.223270][ T5355] kernel BUG at fs/ext4/mballoc.c:4755! [ 58.226059][ T5355] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 58.229751][ T5355] CPU: 0 UID: 0 PID: 5355 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 58.234403][ T5355] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 58.239148][ T5355] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 58.242093][ T5355] Code: e8 d4 c4 aa ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 10 dd 45 ff 90 0f 0b e8 08 dd 45 ff 90 0f 0b e8 00 dd 45 ff 90 <0f> 0b e8 f8 dc 45 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 58.251011][ T5355] RSP: 0018:ffffc9000d527408 EFLAGS: 00010293 [ 58.253975][ T5355] RAX: ffffffff8279dde0 RBX: 00000000ffffffff RCX: ffff88803e99c880 [ 58.257831][ T5355] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 58.261431][ T5355] RBP: 1ffff110087dbb46 R08: ffff888043ede503 R09: 1ffff110087dbca0 [ 58.264928][ T5355] R10: dffffc0000000000 R11: ffffed10087dbca1 R12: 0000000000000004 [ 58.268515][ T5355] R13: 0000000000000002 R14: 1ffff110087dbca3 R15: ffff888043ede518 [ 58.272811][ T5355] FS: 00007fb2002686c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000 [ 58.276799][ T5355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.279649][ T5355] CR2: 00007fb200267fc8 CR3: 00000000402ac000 CR4: 0000000000352ef0 [ 58.283263][ T5355] Call Trace: [ 58.284846][ T5355] [ 58.286975][ T5355] ext4_mb_use_preallocated+0x660/0x13f0 [ 58.290564][ T5355] ext4_mb_new_blocks+0x5b4/0x4720 [ 58.293028][ T5355] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 58.295730][ T5355] ? trace_kmalloc+0x1f/0xd0 [ 58.298758][ T5355] ? __kmalloc_noprof+0x29b/0x4f0 [ 58.301874][ T5355] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 58.304950][ T5355] ? ext4_ext_check_overlap+0x32e/0x580 [ 58.307478][ T5355] ? ext4_ext_find_goal+0xf0/0x1e0 [ 58.309859][ T5355] ext4_ext_map_blocks+0x161a/0x6ac0 [ 58.312582][ T5355] ? lock_acquire+0x5f/0x360 [ 58.315502][ T5355] ? ext4_map_blocks+0x765/0x1740 [ 58.318464][ T5355] ? rcu_is_watching+0x15/0xb0 [ 58.320772][ T5355] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 58.324082][ T5355] ? lock_acquire+0x5f/0x360 [ 58.326150][ T5355] ? rcu_is_watching+0x15/0xb0 [ 58.328397][ T5355] ? ext4_es_lookup_extent+0x622/0xa70 [ 58.331065][ T5355] ext4_map_blocks+0x860/0x1740 [ 58.333795][ T5355] ? __pfx_ext4_map_blocks+0x10/0x10 [ 58.336257][ T5355] ? __ext4_journal_start_sb+0x27e/0x5c0 [ 58.338749][ T5355] ext4_alloc_file_blocks+0x42c/0xdb0 [ 58.341117][ T5355] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 58.343755][ T5355] ? lock_acquire+0x5f/0x360 [ 58.345880][ T5355] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 58.348345][ T5355] ext4_zero_range+0x39c/0xb90 [ 58.350497][ T5355] ext4_fallocate+0x334/0x3d0 [ 58.352755][ T5355] vfs_fallocate+0x669/0x7e0 [ 58.354791][ T5355] ? __pfx_vfs_fallocate+0x10/0x10 [ 58.357066][ T5355] ? __fget_files+0x2a/0x420 [ 58.359077][ T5355] __x64_sys_fallocate+0xc0/0x110 [ 58.361359][ T5355] do_syscall_64+0xfa/0x3b0 [ 58.363671][ T5355] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.366609][ T5355] ? clear_bhb_loop+0x60/0xb0 [ 58.368710][ T5355] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.371190][ T5355] RIP: 0033:0x7fb1ff38ebe9 [ 58.373057][ T5355] 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 [ 58.382130][ T5355] RSP: 002b:00007fb200268038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 58.386192][ T5355] RAX: ffffffffffffffda RBX: 00007fb1ff5b6180 RCX: 00007fb1ff38ebe9 [ 58.389697][ T5355] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000004 [ 58.394109][ T5355] RBP: 00007fb1ff411e19 R08: 0000000000000000 R09: 0000000000000000 [ 58.398990][ T5355] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 58.402516][ T5355] R13: 00007fb1ff5b6218 R14: 00007fb1ff5b6180 R15: 00007fff14191c38 [ 58.405503][ T5355] [ 58.406779][ T5355] Modules linked in: [ 58.409391][ T5355] ---[ end trace 0000000000000000 ]--- [ 58.411840][ T5355] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 58.414247][ T5355] Code: e8 d4 c4 aa ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 10 dd 45 ff 90 0f 0b e8 08 dd 45 ff 90 0f 0b e8 00 dd 45 ff 90 <0f> 0b e8 f8 dc 45 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 58.423534][ T5355] RSP: 0018:ffffc9000d527408 EFLAGS: 00010293 [ 58.426510][ T5355] RAX: ffffffff8279dde0 RBX: 00000000ffffffff RCX: ffff88803e99c880 [ 58.430527][ T5355] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 58.434371][ T5355] RBP: 1ffff110087dbb46 R08: ffff888043ede503 R09: 1ffff110087dbca0 [ 58.439661][ T5355] R10: dffffc0000000000 R11: ffffed10087dbca1 R12: 0000000000000004 [ 58.443280][ T5355] R13: 0000000000000002 R14: 1ffff110087dbca3 R15: ffff888043ede518 [ 58.446930][ T5355] FS: 00007fb2002686c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000 [ 58.451048][ T5355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.454259][ T5355] CR2: 00007fb200267fc8 CR3: 00000000402ac000 CR4: 0000000000352ef0 [ 58.458569][ T5355] Kernel panic - not syncing: Fatal exception [ 58.461784][ T5355] Kernel Offset: disabled [ 58.463612][ T5355] Rebooting in 86400 seconds..