program: syz_mount_image$ext4(&(0x7f00000003c0)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x10, &(0x7f0000000140)={[{@norecovery}]}, 0xed, 0x474, &(0x7f0000000b80)="$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") open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f00000003c0)='./bus\x00', 0x0, 0x5000, 0x0) r0 = open(&(0x7f0000000000)='./bus\x00', 0x8000, 0x0) ioctl$LOOP_SET_STATUS64(r0, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]}) r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101842, 0x11) pwritev2(r1, &(0x7f0000000cc0)=[{&(0x7f0000000240)=';', 0xffffffbc}], 0x1, 0xfff, 0xc, 0x4) write$proc_mixer(r1, &(0x7f0000000080)=[{'OGAIN', @void}, {'IGAIN', @val={' \'', 'Capture Switch'}}, {'LINE', @void}], 0x37) [ 83.817549][ T5291] Bluetooth: hci0: command tx timeout [ 83.900951][ T5327] loop0: detected capacity change from 0 to 512 [ 83.931219][ T5327] EXT4-fs (loop0): invalid journal inode [ 83.940443][ T5327] EXT4-fs (loop0): can't get journal size [ 83.986138][ T5327] EXT4-fs (loop0): 1 truncate cleaned up [ 84.007265][ T5327] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 84.072096][ T5327] loop0: detected capacity change from 512 to 64 [ 84.096262][ T5327] syz.0.0: attempt to access beyond end of device [ 84.096262][ T5327] loop0: rw=2049, sector=72, nr_sectors = 2 limit=64 [ 84.109690][ T5327] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 36) [ 84.116464][ T5327] Buffer I/O error on device loop0, logical block 36 [ 84.119443][ T5327] syz.0.0: attempt to access beyond end of device [ 84.119443][ T5327] loop0: rw=2049, sector=78, nr_sectors = 2 limit=64 [ 84.127215][ T5327] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 39) [ 84.132503][ T5327] Buffer I/O error on device loop0, logical block 39 [ 84.138284][ T5327] syz.0.0: attempt to access beyond end of device [ 84.138284][ T5327] loop0: rw=2049, sector=80, nr_sectors = 16 limit=64 [ 84.154723][ T24] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm kworker/u4:2: corrupted inode contents [ 84.173118][ T5328] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm syz.0.0: corrupted inode contents [ 84.192759][ T24] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm kworker/u4:2: mark_inode_dirty error [ 84.197814][ T5327] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 40) [ 84.215849][ T24] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm kworker/u4:2: corrupted inode contents [ 84.227003][ T5327] Buffer I/O error on device loop0, logical block 40 [ 84.229874][ T5327] Buffer I/O error on device loop0, logical block 41 [ 84.232578][ T5327] Buffer I/O error on device loop0, logical block 42 [ 84.235357][ T5327] Buffer I/O error on device loop0, logical block 43 [ 84.243479][ T24] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm kworker/u4:2: mark_inode_dirty error [ 84.267755][ T5328] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm syz.0.0: mark_inode_dirty error [ 84.274792][ T5327] Buffer I/O error on device loop0, logical block 44 [ 84.277594][ T5327] Buffer I/O error on device loop0, logical block 45 [ 84.280316][ T5327] Buffer I/O error on device loop0, logical block 46 [ 84.282973][ T5327] Buffer I/O error on device loop0, logical block 47 [ 84.288934][ T5328] syz.0.0: attempt to access beyond end of device [ 84.288934][ T5328] loop0: rw=0, sector=72, nr_sectors = 2 limit=64 [ 84.402544][ T5327] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm syz.0.0: corrupted inode contents [ 84.409812][ T5327] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm syz.0.0: mark_inode_dirty error [ 84.415357][ T5327] ------------[ cut here ]------------ [ 84.418434][ T5327] kernel BUG at fs/ext4/mballoc.c:4780! [ 84.420812][ T5327] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 84.423438][ T5327] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 84.427129][ T5327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 84.431269][ T5327] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 84.433771][ T5327] Code: e8 44 91 a4 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 20 ab 37 ff 90 0f 0b e8 18 ab 37 ff 90 0f 0b e8 10 ab 37 ff 90 <0f> 0b e8 08 ab 37 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 84.441448][ T5327] RSP: 0018:ffffc9000e006648 EFLAGS: 00010287 [ 84.443944][ T5327] RAX: ffffffff828e1b10 RBX: 00000000ffffffc6 RCX: 0000000000100000 [ 84.447184][ T5327] RDX: ffffc9000eeda000 RSI: 0000000000011f41 RDI: 0000000000011f42 [ 84.450276][ T5327] RBP: 1ffff11008de3eb5 R08: ffff888046f24163 R09: 1ffff11008de482c [ 84.453426][ T5327] R10: dffffc0000000000 R11: ffffed1008de482d R12: 0000000000000000 [ 84.456612][ T5327] R13: 0000000000000058 R14: 1ffff11008de482f R15: ffff888046f24178 [ 84.459802][ T5327] FS: 00007fe984df66c0(0000) GS:ffff88808c895000(0000) knlGS:0000000000000000 [ 84.463257][ T5327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.466035][ T5327] CR2: 00007fe984dd4ff8 CR3: 0000000034831000 CR4: 0000000000352ef0 [ 84.469339][ T5327] Call Trace: [ 84.470736][ T5327] [ 84.472016][ T5327] ext4_mb_use_preallocated+0x660/0x13f0 [ 84.474420][ T5327] ext4_mb_new_blocks+0x5e2/0x46c0 [ 84.476581][ T5327] ? rcu_is_watching+0x15/0xb0 [ 84.478642][ T5327] ? __mark_inode_dirty+0x4cf/0x13b0 [ 84.480811][ T5327] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 84.483162][ T5327] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 84.485536][ T5327] ? ext4_block_to_path+0x297/0x6f0 [ 84.487687][ T5327] ext4_ind_map_blocks+0xe96/0x2260 [ 84.489829][ T5327] ? __lock_acquire+0x6b5/0x2cf0 [ 84.491889][ T5327] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 84.494285][ T5327] ? stack_depot_save_flags+0x33/0x810 [ 84.496704][ T5327] ? __kasan_slab_alloc+0x6c/0x80 [ 84.498930][ T5327] ? ext4_inode_journal_mode+0x193/0x470 [ 84.501345][ T5327] ? ext4_map_blocks+0x7b5/0x11d0 [ 84.503646][ T5327] ext4_map_create_blocks+0xc1/0x540 [ 84.505813][ T5327] ext4_map_blocks+0x7cd/0x11d0 [ 84.507876][ T5327] ? __pfx_ext4_map_blocks+0x10/0x10 [ 84.509979][ T5327] ? __ext4_journal_ensure_credits+0x30/0x450 [ 84.512520][ T5327] ext4_do_writepages+0x18f3/0x4670 [ 84.514781][ T5327] ? __lock_acquire+0x6b5/0x2cf0 [ 84.516935][ T5327] ? __lock_acquire+0x6b5/0x2cf0 [ 84.519090][ T5327] ? __pfx_ext4_do_writepages+0x10/0x10 [ 84.521439][ T5327] ? __lock_acquire+0x6b5/0x2cf0 [ 84.523229][ T5327] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 84.525689][ T5327] ? debug_object_free+0x2d7/0x490 [ 84.527926][ T5327] ? ext4_writepages+0x205/0x3b0 [ 84.530052][ T5327] ? ext4_writepages+0x205/0x3b0 [ 84.532186][ T5327] ext4_writepages+0x241/0x3b0 [ 84.534243][ T5327] ? __pfx_ext4_writepages+0x10/0x10 [ 84.536559][ T5327] ? do_raw_spin_lock+0x12b/0x2f0 [ 84.538758][ T5327] ? __pfx_ext4_writepages+0x10/0x10 [ 84.541005][ T5327] do_writepages+0x32e/0x550 [ 84.543027][ T5327] ? do_raw_spin_unlock+0x4d/0x210 [ 84.545203][ T5327] file_write_and_wait_range+0x36e/0x440 [ 84.547608][ T5327] ? __free_frozen_pages+0x762/0xd30 [ 84.549810][ T5327] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 84.552429][ T5327] mmb_fsync_noflush+0x76/0x1c0 [ 84.554502][ T5327] ext4_sync_file+0x437/0xd50 [ 84.556549][ T5327] ? __pfx_ext4_sync_file+0x10/0x10 [ 84.558626][ T5327] ? ext4_buffered_write_iter+0xd9/0x3a0 [ 84.560781][ T5327] ? sync_lazytime+0x5e/0x4c0 [ 84.562677][ T5327] ext4_buffered_write_iter+0x2ca/0x3a0 [ 84.564994][ T5327] ext4_file_write_iter+0x298/0x1bf0 [ 84.567330][ T5327] ? __lock_acquire+0x6b5/0x2cf0 [ 84.569480][ T5327] ? __pfx_aa_file_perm+0x10/0x10 [ 84.571639][ T5327] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 84.573825][ T5327] ? preempt_schedule_thunk+0x16/0x30 [ 84.575924][ T5327] do_iter_readv_writev+0x619/0x8c0 [ 84.577979][ T5327] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 84.580212][ T5327] vfs_writev+0x33c/0x990 [ 84.581967][ T5327] ? __pfx_vfs_writev+0x10/0x10 [ 84.583881][ T5327] ? __fget_files+0x2a/0x420 [ 84.585725][ T5327] ? __fget_files+0x3a0/0x420 [ 84.587583][ T5327] ? __fget_files+0x2a/0x420 [ 84.589559][ T5327] __se_sys_pwritev2+0x184/0x2a0 [ 84.591630][ T5327] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 84.593846][ T5327] ? __x64_sys_pwritev2+0x20/0xc0 [ 84.595921][ T5327] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.598514][ T5327] do_syscall_64+0x174/0x580 [ 84.600389][ T5327] ? trace_irq_disable+0x3b/0x140 [ 84.602485][ T5327] ? clear_bhb_loop+0x40/0x90 [ 84.604416][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.606913][ T5327] RIP: 0033:0x7fe983f9ce59 [ 84.608693][ 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 [ 84.616673][ T5327] RSP: 002b:00007fe984df5fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 84.620017][ T5327] RAX: ffffffffffffffda RBX: 00007fe984215fa0 RCX: 00007fe983f9ce59 [ 84.623233][ T5327] RDX: 0000000000000001 RSI: 0000200000000cc0 RDI: 0000000000000006 [ 84.626565][ T5327] RBP: 00007fe984032d6f R08: 000000000000000c R09: 0000000000000004 [ 84.629689][ T5327] R10: 0000000000000fff R11: 0000000000000246 R12: 0000000000000000 [ 84.632737][ T5327] R13: 00007fe984216038 R14: 00007fe984215fa0 R15: 00007ffe3e72fd58 [ 84.635963][ T5327] [ 84.637265][ T5327] Modules linked in: [ 84.639416][ T5327] ---[ end trace 0000000000000000 ]--- [ 84.641986][ T5327] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 84.644451][ T5327] Code: e8 44 91 a4 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 20 ab 37 ff 90 0f 0b e8 18 ab 37 ff 90 0f 0b e8 10 ab 37 ff 90 <0f> 0b e8 08 ab 37 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 84.652218][ T5327] RSP: 0018:ffffc9000e006648 EFLAGS: 00010287 [ 84.654620][ T5327] RAX: ffffffff828e1b10 RBX: 00000000ffffffc6 RCX: 0000000000100000 [ 84.658063][ T5327] RDX: ffffc9000eeda000 RSI: 0000000000011f41 RDI: 0000000000011f42 [ 84.661295][ T5327] RBP: 1ffff11008de3eb5 R08: ffff888046f24163 R09: 1ffff11008de482c [ 84.664659][ T5327] R10: dffffc0000000000 R11: ffffed1008de482d R12: 0000000000000000 [ 84.668078][ T5327] R13: 0000000000000058 R14: 1ffff11008de482f R15: ffff888046f24178 [ 84.671411][ T5327] FS: 00007fe984df66c0(0000) GS:ffff88808c895000(0000) knlGS:0000000000000000 [ 84.675250][ T5327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.677974][ T5327] CR2: 00007fe984dd4ff8 CR3: 0000000034831000 CR4: 0000000000352ef0 [ 84.681679][ T5327] Kernel panic - not syncing: Fatal exception [ 84.684661][ T5327] Kernel Offset: disabled [ 84.687408][ T5327] Rebooting in 86400 seconds..