program: r0 = syz_mount_image$ext4(&(0x7f00000003c0)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x10, &(0x7f0000000140)={[{@norecovery}]}, 0xed, 0x474, &(0x7f0000000b80)="$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") open(&(0x7f0000000100)='./bus\x00', 0x14927e, 0x1) fsetxattr$trusted_overlay_opaque(r0, &(0x7f0000000200), &(0x7f00000002c0), 0x2, 0x2) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f00000003c0)='./bus\x00', 0x0, 0x5000, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x8000, 0xa0) r2 = socket$kcm(0xa, 0x3, 0x3a) sendmsg$kcm(r2, &(0x7f0000000440)={&(0x7f0000000000)=@l2tp6={0xa, 0x0, 0x0, @dev}, 0x80, &(0x7f00000000c0)=[{&(0x7f0000000180)="a090", 0x2}], 0x1}, 0xd0a0) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68) sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x24004045) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000600)={0x13, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x12}, 0x94) r3 = io_uring_setup(0x524, &(0x7f0000000040)={0x0, 0x3cb1, 0x1c080, 0xa, 0x20002f5}) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000000000)=[@in6={0xa, 0x4e23, 0x401, @loopback}], 0x1c) io_uring_enter(r3, 0x2219, 0x7721, 0x16, 0x0, 0x0) sendmsg$kcm(r2, &(0x7f0000000080)={&(0x7f0000000380)=@l2tp6={0xa, 0x0, 0x0, @dev}, 0x80, &(0x7f0000000100)=[{&(0x7f00000001c0)="5b20e8487938", 0x6}], 0x1}, 0x0) ioctl$LOOP_SET_STATUS64(r1, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]}) r4 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101842, 0x31) pwritev2(r4, &(0x7f0000000cc0)=[{&(0x7f0000000240)=';', 0xffffffbc}], 0x1, 0xfff, 0xc, 0x4) [ 103.181865][ T5326] loop0: detected capacity change from 0 to 512 [ 103.193868][ T5289] Bluetooth: hci0: command tx timeout [ 103.296010][ T5326] EXT4-fs (loop0): invalid journal inode [ 103.301285][ T5326] EXT4-fs (loop0): can't get journal size [ 103.343329][ T5326] EXT4-fs (loop0): 1 truncate cleaned up [ 103.364992][ T5326] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 103.536659][ T5327] loop0: detected capacity change from 512 to 64 [ 103.661736][ T5327] syz.0.0: attempt to access beyond end of device [ 103.661736][ T5327] loop0: rw=2049, sector=72, nr_sectors = 2 limit=64 [ 103.682658][ T5327] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 36) [ 103.695318][ T5327] Buffer I/O error on device loop0, logical block 36 [ 103.724866][ T5327] syz.0.0: attempt to access beyond end of device [ 103.724866][ T5327] loop0: rw=2049, sector=78, nr_sectors = 2 limit=64 [ 103.745431][ T5327] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 39) [ 103.783738][ T5327] Buffer I/O error on device loop0, logical block 39 [ 103.825748][ T5327] syz.0.0: attempt to access beyond end of device [ 103.825748][ T5327] loop0: rw=2049, sector=80, nr_sectors = 16 limit=64 [ 103.844362][ T5327] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 40) [ 103.862660][ T5327] Buffer I/O error on device loop0, logical block 40 [ 103.865742][ T5327] Buffer I/O error on device loop0, logical block 41 [ 103.869134][ T5327] Buffer I/O error on device loop0, logical block 42 [ 103.872207][ T5327] Buffer I/O error on device loop0, logical block 43 [ 103.892038][ T5327] Buffer I/O error on device loop0, logical block 44 [ 103.895021][ T5327] Buffer I/O error on device loop0, logical block 45 [ 103.897924][ T5327] Buffer I/O error on device loop0, logical block 46 [ 103.901897][ T5327] Buffer I/O error on device loop0, logical block 47 [ 104.038475][ T5327] ------------[ cut here ]------------ [ 104.043203][ T5327] kernel BUG at fs/ext4/mballoc.c:4780! [ 104.045849][ T5327] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 104.049127][ T5327] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 104.053196][ T5327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 104.057300][ T5327] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 104.060273][ T5327] Code: e8 e6 96 a3 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 82 71 34 ff 90 0f 0b e8 7a 71 34 ff 90 0f 0b e8 72 71 34 ff 90 <0f> 0b e8 6a 71 34 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 104.069319][ T5327] RSP: 0018:ffffc9000f3866a0 EFLAGS: 00010287 [ 104.071980][ T5327] RAX: ffffffff8291cf7e RBX: 00000000fffffffe RCX: 0000000000100000 [ 104.075468][ T5327] RDX: ffffc90020001000 RSI: 000000000000dbe6 RDI: 000000000000dbe7 [ 104.079029][ T5327] RBP: 1ffff110087e16ef R08: ffff888043f2befb R09: 1ffff110087e57df [ 104.082813][ T5327] R10: dffffc0000000000 R11: ffffed10087e57e0 R12: 0000000000000000 [ 104.087275][ T5327] R13: 0000000000000074 R14: 1ffff110087e57e2 R15: ffff888043f2bf10 [ 104.090751][ T5327] FS: 00007f45208fa6c0(0000) GS:ffff88808c81f000(0000) knlGS:0000000000000000 [ 104.094608][ T5327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.097406][ T5327] CR2: 00007f451fbe70b0 CR3: 0000000011caf000 CR4: 0000000000352ef0 [ 104.100858][ T5327] Call Trace: [ 104.102496][ T5327] [ 104.103889][ T5327] ext4_mb_use_preallocated+0x638/0x13e0 [ 104.106910][ T5327] ext4_mb_new_blocks+0x5a0/0x4530 [ 104.109839][ T5327] ? rcu_is_watching+0x15/0xb0 [ 104.112356][ T5327] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 104.115001][ T5327] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 104.117488][ T5327] ? ext4_block_to_path+0x382/0x700 [ 104.119780][ T5327] ext4_ind_map_blocks+0xe96/0x22a0 [ 104.122129][ T5327] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 104.124721][ T5327] ? kasan_save_track+0x4f/0x80 [ 104.127125][ T5327] ? ext4_map_blocks+0x7cc/0x1240 [ 104.129753][ T5327] ? down_write+0x16d/0x200 [ 104.132281][ T5327] ext4_map_create_blocks+0xbb/0x530 [ 104.134776][ T5327] ? ext4_fc_track_inode+0xf3/0x3f0 [ 104.136994][ T5327] ext4_map_blocks+0x7e4/0x1240 [ 104.139140][ T5327] ? __pfx_ext4_map_blocks+0x10/0x10 [ 104.141606][ T5327] ? __ext4_journal_ensure_credits+0x30/0x450 [ 104.144541][ T5327] ext4_do_writepages+0x19e3/0x47a0 [ 104.147170][ T5327] ? __lock_acquire+0x683/0x2cf0 [ 104.149487][ T5327] ? __pfx_ext4_do_writepages+0x10/0x10 [ 104.152008][ T5327] ? __lock_acquire+0x683/0x2cf0 [ 104.154191][ T5327] ? __free_object+0x432/0x5d0 [ 104.156417][ T5327] ? lockdep_hardirqs_on+0x7a/0x110 [ 104.159001][ T5327] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 104.162292][ T5327] ? debug_object_free+0x29c/0x340 [ 104.164875][ T5327] ? ext4_writepages+0x205/0x3b0 [ 104.168160][ T5327] ? ext4_writepages+0x205/0x3b0 [ 104.170468][ T5327] ext4_writepages+0x241/0x3b0 [ 104.172751][ T5327] ? __pfx_ext4_writepages+0x10/0x10 [ 104.174927][ T5327] ? __pfx_ext4_writepages+0x10/0x10 [ 104.177099][ T5327] do_writepages+0x338/0x560 [ 104.179261][ T5327] ? do_raw_spin_unlock+0x4d/0x210 [ 104.182061][ T5327] file_write_and_wait_range+0x36e/0x440 [ 104.185105][ T5327] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 104.188073][ T5327] ? __folio_put+0x4b3/0x590 [ 104.190160][ T5327] ? __pfx_ext4_write_begin+0x10/0x10 [ 104.192545][ T5327] mmb_fsync_noflush+0x73/0x1d0 [ 104.194739][ T5327] ext4_sync_file+0x41a/0xd00 [ 104.196807][ T5327] ? __pfx_ext4_sync_file+0x10/0x10 [ 104.199171][ T5327] ? ext4_buffered_write_iter+0xd6/0x370 [ 104.202154][ T5327] ? sync_lazytime+0x5a/0x4c0 [ 104.205086][ T5327] ext4_buffered_write_iter+0x2c7/0x370 [ 104.207638][ T5327] ext4_file_write_iter+0x947/0x1c70 [ 104.210031][ T5327] ? __lock_acquire+0x683/0x2cf0 [ 104.212220][ T5327] ? __futex_wait+0x358/0x400 [ 104.214343][ T5327] ? __pfx_aa_file_perm+0x10/0x10 [ 104.216634][ T5327] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 104.219161][ T5327] ? __pfx___futex_wait+0x10/0x10 [ 104.222505][ T5327] do_iter_readv_writev+0x612/0x8c0 [ 104.226019][ T5327] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 104.228540][ T5327] vfs_writev+0x343/0x990 [ 104.230476][ T5327] ? __pfx_vfs_writev+0x10/0x10 [ 104.232631][ T5327] ? __fget_files+0x2a/0x420 [ 104.234711][ T5327] ? __fget_files+0x3a2/0x420 [ 104.236808][ T5327] ? __fget_files+0x2a/0x420 [ 104.238924][ T5327] __se_sys_pwritev2+0x177/0x2a0 [ 104.241087][ T5327] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 104.244118][ T5327] ? __x64_sys_pwritev2+0x20/0xc0 [ 104.246687][ T5327] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.249708][ T5327] do_syscall_64+0x174/0x580 [ 104.251979][ T5327] ? trace_irq_disable+0x3b/0x140 [ 104.254156][ T5327] ? clear_bhb_loop+0x40/0x90 [ 104.256198][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.258748][ T5327] RIP: 0033:0x7f451f99ce59 [ 104.260731][ T5327] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 104.269557][ T5327] RSP: 002b:00007f45208f9fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 104.273392][ T5327] RAX: ffffffffffffffda RBX: 00007f451fc16090 RCX: 00007f451f99ce59 [ 104.276812][ T5327] RDX: 0000000000000001 RSI: 0000200000000cc0 RDI: 0000000000000007 [ 104.280541][ T5327] RBP: 00007f451fa32e6f R08: 000000000000000c R09: 0000000000000004 [ 104.284164][ T5327] R10: 0000000000000fff R11: 0000000000000246 R12: 0000000000000000 [ 104.287477][ T5327] R13: 00007f451fc16128 R14: 00007f451fc16090 R15: 00007ffef4c65be8 [ 104.290743][ T5327] [ 104.291969][ T5327] Modules linked in: [ 104.296701][ T5327] ---[ end trace 0000000000000000 ]--- [ 104.299958][ T5327] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 104.302380][ T5327] Code: e8 e6 96 a3 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 82 71 34 ff 90 0f 0b e8 7a 71 34 ff 90 0f 0b e8 72 71 34 ff 90 <0f> 0b e8 6a 71 34 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 104.309896][ T5327] RSP: 0018:ffffc9000f3866a0 EFLAGS: 00010287 [ 104.312405][ T5327] RAX: ffffffff8291cf7e RBX: 00000000fffffffe RCX: 0000000000100000 [ 104.315928][ T5327] RDX: ffffc90020001000 RSI: 000000000000dbe6 RDI: 000000000000dbe7 [ 104.321878][ T5327] RBP: 1ffff110087e16ef R08: ffff888043f2befb R09: 1ffff110087e57df [ 104.325377][ T5327] R10: dffffc0000000000 R11: ffffed10087e57e0 R12: 0000000000000000 [ 104.329011][ T5327] R13: 0000000000000074 R14: 1ffff110087e57e2 R15: ffff888043f2bf10 [ 104.332501][ T5327] FS: 00007f45208fa6c0(0000) GS:ffff88808c81f000(0000) knlGS:0000000000000000 [ 104.337029][ T5327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.340390][ T5327] CR2: 00007f451fbe70b0 CR3: 0000000011caf000 CR4: 0000000000352ef0 [ 104.345350][ T5327] Kernel panic - not syncing: Fatal exception [ 104.348846][ T5327] Kernel Offset: disabled [ 104.350806][ T5327] Rebooting in 86400 seconds..