program: 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) pwrite64(0xffffffffffffffff, 0x0, 0x0, 0xc00) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f00000003c0)='./bus\x00', 0x0, 0x5000, 0x0) r0 = open(&(0x7f0000000000)='./bus\x00', 0xc000, 0xa0) 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) [ 85.263278][ T5331] loop0: detected capacity change from 0 to 512 [ 85.317048][ T4660] Bluetooth: hci0: command tx timeout [ 85.331483][ T5331] EXT4-fs (loop0): invalid journal inode [ 85.343576][ T5331] EXT4-fs (loop0): can't get journal size [ 85.430493][ T5331] EXT4-fs (loop0): 1 truncate cleaned up [ 85.449746][ T5331] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 85.519384][ T5331] loop0: detected capacity change from 512 to 64 [ 85.552220][ T5331] syz.0.0: attempt to access beyond end of device [ 85.552220][ T5331] loop0: rw=2049, sector=72, nr_sectors = 2 limit=64 [ 85.577686][ T5331] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 36) [ 85.588552][ T5331] Buffer I/O error on device loop0, logical block 36 [ 85.598305][ T5331] syz.0.0: attempt to access beyond end of device [ 85.598305][ T5331] loop0: rw=2049, sector=78, nr_sectors = 2 limit=64 [ 85.610993][ T5331] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 39) [ 85.621194][ T5331] Buffer I/O error on device loop0, logical block 39 [ 85.637067][ T5331] syz.0.0: attempt to access beyond end of device [ 85.637067][ T5331] loop0: rw=2049, sector=80, nr_sectors = 16 limit=64 [ 85.651901][ T5331] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 40) [ 85.658443][ T30] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm kworker/u4:2: corrupted inode contents [ 85.671002][ T5331] Buffer I/O error on device loop0, logical block 40 [ 85.673946][ T5331] Buffer I/O error on device loop0, logical block 41 [ 85.676728][ T5331] Buffer I/O error on device loop0, logical block 42 [ 85.679459][ T5331] Buffer I/O error on device loop0, logical block 43 [ 85.701980][ T30] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm kworker/u4:2: mark_inode_dirty error [ 85.719542][ T30] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm kworker/u4:2: corrupted inode contents [ 85.728237][ T5331] Buffer I/O error on device loop0, logical block 44 [ 85.731369][ T5331] Buffer I/O error on device loop0, logical block 45 [ 85.734701][ T5331] Buffer I/O error on device loop0, logical block 46 [ 85.737863][ T5331] Buffer I/O error on device loop0, logical block 47 [ 85.749429][ T30] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm kworker/u4:2: mark_inode_dirty error [ 85.866614][ T5331] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm syz.0.0: corrupted inode contents [ 85.873516][ T5331] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm syz.0.0: mark_inode_dirty error [ 85.880815][ T5331] ------------[ cut here ]------------ [ 85.884118][ T5331] kernel BUG at fs/ext4/mballoc.c:4780! [ 85.886641][ T5331] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 85.889353][ T5331] CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.893133][ T5331] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.897308][ T5331] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 85.899785][ T5331] Code: e8 84 8d a4 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 50 a8 37 ff 90 0f 0b e8 48 a8 37 ff 90 0f 0b e8 40 a8 37 ff 90 <0f> 0b e8 38 a8 37 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 85.907662][ T5331] RSP: 0018:ffffc9000e696648 EFLAGS: 00010287 [ 85.910256][ T5331] RAX: ffffffff828e1ed0 RBX: 00000000ffffffc6 RCX: 0000000000100000 [ 85.913550][ T5331] RDX: ffffc9000efaa000 RSI: 000000000001041d RDI: 000000000001041e [ 85.916808][ T5331] RBP: 1ffff11008de04b5 R08: ffff888046f06efb R09: 1ffff11008de0ddf [ 85.920098][ T5331] R10: dffffc0000000000 R11: ffffed1008de0de0 R12: 0000000000000000 [ 85.923503][ T5331] R13: 0000000000000058 R14: 1ffff11008de0de2 R15: ffff888046f06f10 [ 85.926834][ T5331] FS: 00007fb36e1db6c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000 [ 85.930633][ T5331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.933682][ T5331] CR2: 00007f64386d3fb3 CR3: 0000000012d05000 CR4: 0000000000352ef0 [ 85.937218][ T5331] Call Trace: [ 85.938646][ T5331] [ 85.939922][ T5331] ext4_mb_use_preallocated+0x660/0x13f0 [ 85.942337][ T5331] ext4_mb_new_blocks+0x5e2/0x46c0 [ 85.944497][ T5331] ? do_raw_spin_unlock+0x4d/0x210 [ 85.946677][ T5331] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 85.949101][ T5331] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 85.951516][ T5331] ? ext4_block_to_path+0x297/0x6f0 [ 85.953859][ T5331] ext4_ind_map_blocks+0xe96/0x2260 [ 85.956080][ T5331] ? __lock_acquire+0x6b5/0x2cf0 [ 85.958202][ T5331] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 85.960294][ T5331] ? stack_depot_save_flags+0x33/0x810 [ 85.962251][ T5331] ? __kasan_slab_alloc+0x6c/0x80 [ 85.964260][ T5331] ? ext4_inode_journal_mode+0x193/0x470 [ 85.966547][ T5331] ? ext4_map_blocks+0x7b5/0x11d0 [ 85.968562][ T5331] ext4_map_create_blocks+0xc1/0x540 [ 85.970656][ T5331] ext4_map_blocks+0x7cd/0x11d0 [ 85.972638][ T5331] ? __pfx_ext4_map_blocks+0x10/0x10 [ 85.974966][ T5331] ? __ext4_journal_ensure_credits+0x30/0x450 [ 85.977665][ T5331] ext4_do_writepages+0x18f3/0x4670 [ 85.980020][ T5331] ? __lock_acquire+0x6b5/0x2cf0 [ 85.982093][ T5331] ? __lock_acquire+0x6b5/0x2cf0 [ 85.984270][ T5331] ? __pfx_ext4_do_writepages+0x10/0x10 [ 85.986690][ T5331] ? __lock_acquire+0x6b5/0x2cf0 [ 85.988847][ T5331] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 85.991584][ T5331] ? debug_object_free+0x2d7/0x490 [ 85.993871][ T5331] ? ext4_writepages+0x205/0x3b0 [ 85.996042][ T5331] ? ext4_writepages+0x205/0x3b0 [ 85.998186][ T5331] ext4_writepages+0x241/0x3b0 [ 86.000308][ T5331] ? __pfx_ext4_writepages+0x10/0x10 [ 86.002819][ T5331] ? do_raw_spin_lock+0x12b/0x2f0 [ 86.005588][ T5331] ? __pfx_ext4_writepages+0x10/0x10 [ 86.008454][ T5331] do_writepages+0x32e/0x550 [ 86.010889][ T5331] ? do_raw_spin_unlock+0x4d/0x210 [ 86.013475][ T5331] file_write_and_wait_range+0x36e/0x440 [ 86.016059][ T5331] ? __free_frozen_pages+0x762/0xd30 [ 86.018424][ T5331] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 86.021370][ T5331] mmb_fsync_noflush+0x76/0x1c0 [ 86.023722][ T5331] ext4_sync_file+0x437/0xd50 [ 86.025968][ T5331] ? __pfx_ext4_sync_file+0x10/0x10 [ 86.028316][ T5331] ? ext4_buffered_write_iter+0xd9/0x3a0 [ 86.030780][ T5331] ? sync_lazytime+0x5e/0x4c0 [ 86.032916][ T5331] ext4_buffered_write_iter+0x2ca/0x3a0 [ 86.035399][ T5331] ext4_file_write_iter+0x298/0x1bf0 [ 86.037743][ T5331] ? __lock_acquire+0x6b5/0x2cf0 [ 86.039971][ T5331] ? __pfx_aa_file_perm+0x10/0x10 [ 86.042233][ T5331] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 86.044768][ T5331] ? preempt_schedule_thunk+0x16/0x30 [ 86.047231][ T5331] do_iter_readv_writev+0x619/0x8c0 [ 86.049565][ T5331] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 86.052230][ T5331] vfs_writev+0x33c/0x990 [ 86.054449][ T5331] ? __pfx_vfs_writev+0x10/0x10 [ 86.056856][ T5331] ? __fget_files+0x2a/0x420 [ 86.058827][ T5331] ? __fget_files+0x3a0/0x420 [ 86.060854][ T5331] ? __fget_files+0x2a/0x420 [ 86.062842][ T5331] __se_sys_pwritev2+0x184/0x2a0 [ 86.064998][ T5331] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 86.067319][ T5331] ? __x64_sys_pwritev2+0x20/0xc0 [ 86.069522][ T5331] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.072135][ T5331] do_syscall_64+0x174/0x580 [ 86.074281][ T5331] ? trace_irq_disable+0x3b/0x140 [ 86.076482][ T5331] ? clear_bhb_loop+0x40/0x90 [ 86.078399][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.080933][ T5331] RIP: 0033:0x7fb36d39ce59 [ 86.082893][ T5331] 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 [ 86.091112][ T5331] RSP: 002b:00007fb36e1dafe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 86.094745][ T5331] RAX: ffffffffffffffda RBX: 00007fb36d615fa0 RCX: 00007fb36d39ce59 [ 86.098349][ T5331] RDX: 0000000000000001 RSI: 0000200000000cc0 RDI: 0000000000000006 [ 86.101653][ T5331] RBP: 00007fb36d432d6f R08: 000000000000000c R09: 0000000000000004 [ 86.104909][ T5331] R10: 0000000000000fff R11: 0000000000000246 R12: 0000000000000000 [ 86.108289][ T5331] R13: 00007fb36d616038 R14: 00007fb36d615fa0 R15: 00007ffd101759e8 [ 86.111604][ T5331] [ 86.112839][ T5331] Modules linked in: [ 86.114944][ T5331] ---[ end trace 0000000000000000 ]--- [ 86.118007][ T5331] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 86.120789][ T5331] Code: e8 84 8d a4 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 50 a8 37 ff 90 0f 0b e8 48 a8 37 ff 90 0f 0b e8 40 a8 37 ff 90 <0f> 0b e8 38 a8 37 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 86.129492][ T5331] RSP: 0018:ffffc9000e696648 EFLAGS: 00010287 [ 86.132063][ T5331] RAX: ffffffff828e1ed0 RBX: 00000000ffffffc6 RCX: 0000000000100000 [ 86.135698][ T5331] RDX: ffffc9000efaa000 RSI: 000000000001041d RDI: 000000000001041e [ 86.139227][ T5331] RBP: 1ffff11008de04b5 R08: ffff888046f06efb R09: 1ffff11008de0ddf [ 86.142457][ T5331] R10: dffffc0000000000 R11: ffffed1008de0de0 R12: 0000000000000000 [ 86.145697][ T5331] R13: 0000000000000058 R14: 1ffff11008de0de2 R15: ffff888046f06f10 [ 86.149200][ T5331] FS: 00007fb36e1db6c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000 [ 86.152881][ T5331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.155589][ T5331] CR2: 00007f64386d3fb3 CR3: 0000000012d05000 CR4: 0000000000352ef0 [ 86.159035][ T5331] Kernel panic - not syncing: Fatal exception [ 86.162148][ T5331] Kernel Offset: disabled [ 86.164065][ T5331] Rebooting in 86400 seconds..