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 = syz_open_dev$vbi(&(0x7f0000000000), 0x0, 0x2) ioctl$VIDIOC_S_INPUT(r2, 0xc0045627, &(0x7f0000000100)=0x3) ioctl$VIDIOC_SUBDEV_S_DV_TIMINGS(r2, 0xc0845657, &(0x7f0000000200)={0x0, @bt={0xb40, 0x870, 0x1, 0x1, 0xd59f80, 0x19f2, 0x3f, 0x19ef, 0x3, 0x3, 0x2800, 0x2800, 0x2, 0xd1, 0xc, 0x30, {0x8, 0xffffffff}, 0xd0, 0x9}}) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) r3 = syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) ioctl$MON_IOCX_MFETCH(r3, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) sendfile(r1, r1, 0x0, 0x800000009) r4 = socket$qrtr(0x2a, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r4, 0x8914, &(0x7f0000000040)={'veth0_vlan\x00'}) r5 = socket$inet_smc(0x2b, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f0000000100)={'veth1_vlan\x00', &(0x7f0000000000)=@ethtool_pauseparam={0x2c, 0x2}}) ioctl$sock_inet_SIOCSIFFLAGS(r4, 0x8914, &(0x7f0000000000)={'veth0_vlan\x00', 0x1}) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") (async) open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) (async) fallocate(r0, 0x11, 0xfff, 0x8800000) (async) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) (async) open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) (async) syz_open_dev$vbi(&(0x7f0000000000), 0x0, 0x2) (async) ioctl$VIDIOC_S_INPUT(r2, 0xc0045627, &(0x7f0000000100)=0x3) (async) ioctl$VIDIOC_SUBDEV_S_DV_TIMINGS(r2, 0xc0845657, &(0x7f0000000200)={0x0, @bt={0xb40, 0x870, 0x1, 0x1, 0xd59f80, 0x19f2, 0x3f, 0x19ef, 0x3, 0x3, 0x2800, 0x2800, 0x2, 0xd1, 0xc, 0x30, {0x8, 0xffffffff}, 0xd0, 0x9}}) (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$MON_IOCX_MFETCH(r3, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) (async) sendfile(r1, r1, 0x0, 0x800000009) (async) socket$qrtr(0x2a, 0x2, 0x0) (async) ioctl$sock_inet_SIOCSIFFLAGS(r4, 0x8914, &(0x7f0000000040)={'veth0_vlan\x00'}) (async) socket$inet_smc(0x2b, 0x1, 0x0) (async) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f0000000100)={'veth1_vlan\x00', &(0x7f0000000000)=@ethtool_pauseparam={0x2c, 0x2}}) (async) ioctl$sock_inet_SIOCSIFFLAGS(r4, 0x8914, &(0x7f0000000000)={'veth0_vlan\x00', 0x1}) (async) [ 74.832249][ T5319] Bluetooth: hci0: command tx timeout [ 74.909575][ T5338] loop0: detected capacity change from 0 to 1024 [ 74.922644][ T5338] ======================================================= [ 74.922644][ T5338] WARNING: The mand mount option has been deprecated and [ 74.922644][ T5338] and is ignored by this kernel. Remove the mand [ 74.922644][ T5338] option from the mount to silence this warning. [ 74.922644][ T5338] ======================================================= [ 74.993902][ T5338] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 75.004519][ T5338] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4113: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 75.014483][ T26] audit: type=1800 audit(1751831530.936:2): pid=5338 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 [ 75.028352][ T26] audit: type=1800 audit(1751831530.956:3): pid=5338 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 [ 75.068528][ T5338] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4113: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 75.090022][ T5338] veth0_vlan: left promiscuous mode [ 75.093474][ T5338] veth0_vlan: entered promiscuous mode [ 75.103758][ T5339] ------------[ cut here ]------------ [ 75.106387][ T5339] kernel BUG at fs/ext4/mballoc.c:4685! [ 75.109010][ T5339] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 75.112022][ T5339] CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted 6.16.0-rc4-syzkaller-00348-g772b78c2abd8 #0 PREEMPT(full) [ 75.117010][ T5339] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 75.121496][ T5339] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 75.124066][ T5339] Code: e8 e4 5d ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 50 db 47 ff 90 0f 0b e8 48 db 47 ff 90 0f 0b e8 40 db 47 ff 90 <0f> 0b e8 38 db 47 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 75.132165][ T5339] RSP: 0018:ffffc9000fe1f3c8 EFLAGS: 00010293 [ 75.134855][ T5339] RAX: ffffffff82784ac0 RBX: 00000000ffffffff RCX: ffff8880362b8000 [ 75.138193][ T5339] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 75.141589][ T5339] RBP: 1ffff110087e0930 R08: ffff888043f0541b R09: 1ffff110087e0a83 [ 75.145168][ T5339] R10: dffffc0000000000 R11: ffffed10087e0a84 R12: 0000000000000004 [ 75.148668][ T5339] R13: 0000000000000002 R14: 1ffff110087e0a86 R15: ffff888043f05430 [ 75.152226][ T5339] FS: 00007f35023f56c0(0000) GS:ffff88808d21d000(0000) knlGS:0000000000000000 [ 75.156091][ T5339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.158994][ T5339] CR2: 000055557e91f7c8 CR3: 000000004308d000 CR4: 0000000000352ef0 [ 75.162417][ T5339] Call Trace: [ 75.163935][ T5339] [ 75.165262][ T5339] ext4_mb_use_preallocated+0x660/0x13f0 [ 75.167805][ T5339] ext4_mb_new_blocks+0x5b4/0x46a0 [ 75.170090][ T5339] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 75.172667][ T5339] ? trace_kmalloc+0x1f/0xd0 [ 75.174749][ T5339] ? __kmalloc_noprof+0x29b/0x4f0 [ 75.176941][ T5339] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 75.179376][ T5339] ? ext4_ext_check_overlap+0x32e/0x580 [ 75.181694][ T5339] ? ext4_ext_find_goal+0xf0/0x1e0 [ 75.183922][ T5339] ext4_ext_map_blocks+0x161a/0x6ac0 [ 75.186286][ T5339] ? __pfx___might_resched+0x10/0x10 [ 75.188580][ T5339] ? __lock_acquire+0xab9/0xd20 [ 75.190687][ T5339] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 75.193005][ T5339] ? ext4_es_lookup_extent+0x622/0xa70 [ 75.195386][ T5339] ext4_map_blocks+0x931/0x18d0 [ 75.197328][ T5339] ? __pfx_ext4_map_blocks+0x10/0x10 [ 75.199682][ T5339] ? __ext4_journal_start_sb+0x27e/0x5c0 [ 75.202118][ T5339] ext4_alloc_file_blocks+0x3b8/0xc60 [ 75.204403][ T5339] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 75.207156][ T5339] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 75.209667][ T5339] ext4_zero_range+0x39b/0xb90 [ 75.211804][ T5339] ext4_fallocate+0x74c/0xcd0 [ 75.213710][ T5339] vfs_fallocate+0x6a0/0x830 [ 75.215570][ T5339] ? __fget_files+0x2a/0x420 [ 75.217427][ T5339] ? __pfx_vfs_fallocate+0x10/0x10 [ 75.219450][ T5339] ? __fget_files+0x2a/0x420 [ 75.221588][ T5339] __x64_sys_fallocate+0xc0/0x110 [ 75.223867][ T5339] do_syscall_64+0xfa/0x3b0 [ 75.226029][ T5339] ? lockdep_hardirqs_on+0x9c/0x150 [ 75.228297][ T5339] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.230761][ T5339] ? clear_bhb_loop+0x60/0xb0 [ 75.234580][ T5339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.237199][ T5339] RIP: 0033:0x7f3505f8e929 [ 75.239245][ T5339] 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 [ 75.246961][ T5339] RSP: 002b:00007f35023f5038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 75.250523][ T5339] RAX: ffffffffffffffda RBX: 00007f35061b6080 RCX: 00007f3505f8e929 [ 75.253864][ T5339] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000004 [ 75.257305][ T5339] RBP: 00007f3506010b39 R08: 0000000000000000 R09: 0000000000000000 [ 75.260679][ T5339] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 75.263915][ T5339] R13: 0000000000000000 R14: 00007f35061b6080 R15: 00007ffea9a06e18 [ 75.267225][ T5339] [ 75.268536][ T5339] Modules linked in: [ 75.270918][ T5339] ---[ end trace 0000000000000000 ]--- [ 75.273185][ T5339] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 75.275677][ T5339] Code: e8 e4 5d ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 50 db 47 ff 90 0f 0b e8 48 db 47 ff 90 0f 0b e8 40 db 47 ff 90 <0f> 0b e8 38 db 47 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 75.284196][ T5339] RSP: 0018:ffffc9000fe1f3c8 EFLAGS: 00010293 [ 75.286964][ T5339] RAX: ffffffff82784ac0 RBX: 00000000ffffffff RCX: ffff8880362b8000 [ 75.290288][ T5339] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 75.293569][ T5339] RBP: 1ffff110087e0930 R08: ffff888043f0541b R09: 1ffff110087e0a83 [ 75.296937][ T5339] R10: dffffc0000000000 R11: ffffed10087e0a84 R12: 0000000000000004 [ 75.300218][ T5339] R13: 0000000000000002 R14: 1ffff110087e0a86 R15: ffff888043f05430 [ 75.303972][ T5339] FS: 00007f35023f56c0(0000) GS:ffff88808d21d000(0000) knlGS:0000000000000000 [ 75.308125][ T5339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.310990][ T5339] CR2: 000055557e91f7c8 CR3: 000000004308d000 CR4: 0000000000352ef0 [ 75.314476][ T5339] Kernel panic - not syncing: Fatal exception [ 75.317566][ T5339] Kernel Offset: disabled [ 75.319435][ T5339] Rebooting in 86400 seconds..