program: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") r2 = open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) fallocate(r2, 0x11, 0xfff, 0x8800000) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) r3 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) r4 = syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) ioctl$MON_IOCX_MFETCH(r4, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) sendfile(r3, r3, 0x0, 0x800000009) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000000c0)={'wlan1\x00', 0x0}) r6 = syz_open_dev$loop(&(0x7f0000000640), 0x0, 0x22400) ioctl$LOOP_SET_STATUS64(r6, 0x80081280, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x12, 0x12, 0xc, "ee1c89c603bf517c585faf14e4cb859d1660cdaf557593385ad422f592c4268723408aba5abf162395d74db471095dfb0f009b41fb52c83afb3864774d13204c", "bf6ae70aadc67597712dfb4a9d5dd1ffa138f31fc4c47eb84b81c03728d12ca8355689ec0841f3ac135e80f04b96c5710722fcffd5c996f10b9703212d3a0ed1", "3645c3de324e130fb8f5a3e73d161ac877423cdd8cd96fb19d5fedb7d452e6bc", [0x9, 0x101]}) sendmsg$NL80211_CMD_SET_STATION(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000300)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000009200000008000300", @ANYRES32=r5, @ANYBLOB="0a0006"], 0x34}}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) (async) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") (async) open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) (async) fallocate(r2, 0x11, 0xfff, 0x8800000) (async) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) (async) open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) (async) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) (async) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) (async) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) (async) ioctl$MON_IOCX_MFETCH(r4, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) (async) sendfile(r3, r3, 0x0, 0x800000009) (async) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000000c0)={'wlan1\x00'}) (async) syz_open_dev$loop(&(0x7f0000000640), 0x0, 0x22400) (async) ioctl$LOOP_SET_STATUS64(r6, 0x80081280, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x12, 0x12, 0xc, "ee1c89c603bf517c585faf14e4cb859d1660cdaf557593385ad422f592c4268723408aba5abf162395d74db471095dfb0f009b41fb52c83afb3864774d13204c", "bf6ae70aadc67597712dfb4a9d5dd1ffa138f31fc4c47eb84b81c03728d12ca8355689ec0841f3ac135e80f04b96c5710722fcffd5c996f10b9703212d3a0ed1", "3645c3de324e130fb8f5a3e73d161ac877423cdd8cd96fb19d5fedb7d452e6bc", [0x9, 0x101]}) (async) sendmsg$NL80211_CMD_SET_STATION(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000300)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000009200000008000300", @ANYRES32=r5, @ANYBLOB="0a0006"], 0x34}}, 0x0) (async) [ 91.973084][ T5299] usb 5-1: USB disconnect, device number 2 [ 86.783456][ T54] cfg80211: failed to load regulatory.db [ 86.792786][ T4667] Bluetooth: hci0: command tx timeout [ 86.929020][ T5323] loop0: detected capacity change from 0 to 1024 [ 86.980098][ T5323] ======================================================= [ 86.980098][ T5323] WARNING: The mand mount option has been deprecated and [ 86.980098][ T5323] and is ignored by this kernel. Remove the mand [ 86.980098][ T5323] option from the mount to silence this warning. [ 86.980098][ T5323] ======================================================= [ 87.079294][ T5323] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 87.105164][ T5323] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4113: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 87.115970][ T25] audit: type=1800 audit(1750985480.590:2): pid=5323 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 [ 87.131632][ T25] audit: type=1800 audit(1750985480.600:3): pid=5323 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 [ 87.176156][ T5323] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4113: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 87.186047][ T5323] netlink: 12 bytes leftover after parsing attributes in process `syz.0.0'. [ 87.205838][ T5324] ------------[ cut here ]------------ [ 87.209454][ T5324] kernel BUG at fs/ext4/mballoc.c:4685! [ 87.212856][ T5324] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 87.215726][ T5324] CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.16.0-rc3-syzkaller-00121-gf02769e7f272 #0 PREEMPT(full) [ 87.220867][ T5324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 87.226170][ T5324] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 87.229162][ T5324] Code: e8 04 52 ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 60 ce 47 ff 90 0f 0b e8 58 ce 47 ff 90 0f 0b e8 50 ce 47 ff 90 <0f> 0b e8 48 ce 47 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 87.237783][ T5324] RSP: 0018:ffffc9000d51f3c8 EFLAGS: 00010293 [ 87.240541][ T5324] RAX: ffffffff82788020 RBX: 00000000ffffffff RCX: ffff888034252440 [ 87.244429][ T5324] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 87.248106][ T5324] RBP: 1ffff11008775930 R08: ffff888043bad41b R09: 1ffff11008775a83 [ 87.251606][ T5324] R10: dffffc0000000000 R11: ffffed1008775a84 R12: 0000000000000004 [ 87.255467][ T5324] R13: 0000000000000002 R14: 1ffff11008775a86 R15: ffff888043bad430 [ 87.259530][ T5324] FS: 00007f6c6ebd46c0(0000) GS:ffff88808d250000(0000) knlGS:0000000000000000 [ 87.263402][ T5324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.266332][ T5324] CR2: 00007f6c6eb92d58 CR3: 0000000043ff7000 CR4: 0000000000352ef0 [ 87.269819][ T5324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.273425][ T5324] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.277330][ T5324] Call Trace: [ 87.279014][ T5324] [ 87.280574][ T5324] ext4_mb_use_preallocated+0x660/0x13f0 [ 87.283099][ T5324] ext4_mb_new_blocks+0x5b4/0x46a0 [ 87.285401][ T5324] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 87.287977][ T5324] ? trace_kmalloc+0x1f/0xd0 [ 87.289879][ T5324] ? __kmalloc_noprof+0x29b/0x4f0 [ 87.292210][ T5324] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 87.295282][ T5324] ? ext4_ext_check_overlap+0x32e/0x580 [ 87.298189][ T5324] ? ext4_ext_find_goal+0xf0/0x1e0 [ 87.300457][ T5324] ext4_ext_map_blocks+0x161a/0x6ac0 [ 87.302714][ T5324] ? __pfx___might_resched+0x10/0x10 [ 87.305208][ T5324] ? __lock_acquire+0xab9/0xd20 [ 87.307361][ T5324] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 87.310016][ T5324] ? ext4_es_lookup_extent+0x622/0xa70 [ 87.312424][ T5324] ext4_map_blocks+0x931/0x18d0 [ 87.314859][ T5324] ? __pfx_ext4_map_blocks+0x10/0x10 [ 87.317787][ T5324] ? __ext4_journal_start_sb+0x27e/0x5c0 [ 87.320867][ T5324] ext4_alloc_file_blocks+0x3b8/0xc60 [ 87.323179][ T5324] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 87.325768][ T5324] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 87.328300][ T5324] ext4_zero_range+0x39b/0xb90 [ 87.330479][ T5324] ext4_fallocate+0x74c/0xcd0 [ 87.332586][ T5324] vfs_fallocate+0x6a0/0x830 [ 87.334568][ T5324] ? __fget_files+0x2a/0x420 [ 87.336619][ T5324] ? __pfx_vfs_fallocate+0x10/0x10 [ 87.338901][ T5324] ? __fget_files+0x2a/0x420 [ 87.341094][ T5324] __x64_sys_fallocate+0xc0/0x110 [ 87.343482][ T5324] do_syscall_64+0xfa/0x3b0 [ 87.345678][ T5324] ? lockdep_hardirqs_on+0x9c/0x150 [ 87.348049][ T5324] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.350664][ T5324] ? clear_bhb_loop+0x60/0xb0 [ 87.352759][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.355483][ T5324] RIP: 0033:0x7f6c7278e929 [ 87.357779][ T5324] 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 [ 87.366662][ T5324] RSP: 002b:00007f6c6ebd4038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 87.370389][ T5324] RAX: ffffffffffffffda RBX: 00007f6c729b6080 RCX: 00007f6c7278e929 [ 87.373996][ T5324] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000005 [ 87.377531][ T5324] RBP: 00007f6c72810b39 R08: 0000000000000000 R09: 0000000000000000 [ 87.381194][ T5324] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 87.384962][ T5324] R13: 0000000000000000 R14: 00007f6c729b6080 R15: 00007ffd60a6c038 [ 87.388751][ T5324] [ 87.390253][ T5324] Modules linked in: [ 87.392651][ T5324] ---[ end trace 0000000000000000 ]--- [ 87.395083][ T5324] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 87.398216][ T5324] Code: e8 04 52 ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 60 ce 47 ff 90 0f 0b e8 58 ce 47 ff 90 0f 0b e8 50 ce 47 ff 90 <0f> 0b e8 48 ce 47 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 87.407640][ T5324] RSP: 0018:ffffc9000d51f3c8 EFLAGS: 00010293 [ 87.410107][ T5324] RAX: ffffffff82788020 RBX: 00000000ffffffff RCX: ffff888034252440 [ 87.413583][ T5324] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 87.416956][ T5324] RBP: 1ffff11008775930 R08: ffff888043bad41b R09: 1ffff11008775a83 [ 87.420317][ T5324] R10: dffffc0000000000 R11: ffffed1008775a84 R12: 0000000000000004 [ 87.424047][ T5324] R13: 0000000000000002 R14: 1ffff11008775a86 R15: ffff888043bad430 [ 87.427726][ T5324] FS: 00007f6c6ebd46c0(0000) GS:ffff88808d250000(0000) knlGS:0000000000000000 [ 87.431959][ T5324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.435035][ T5324] CR2: 00007f6c6eb92d58 CR3: 0000000043ff7000 CR4: 0000000000352ef0 [ 87.438776][ T5324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.442416][ T5324] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.446206][ T5324] Kernel panic - not syncing: Fatal exception [ 87.449402][ T5324] Kernel Offset: disabled [ 87.451491][ T5324] Rebooting in 86400 seconds..