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$LOOP_SET_STATUS64(r0, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000180), 0xfea7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) mbind(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x8003, &(0x7f0000000000)=0x9, 0x8, 0x0) r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000001000)='numa_maps\x00') preadv(r3, &(0x7f00000014c0)=[{&(0x7f0000000000)=""/4096, 0x1000}], 0x1, 0x0, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101842, 0x11) pwritev2(r4, &(0x7f0000000cc0)=[{&(0x7f0000000240)=';', 0xffffffbc}], 0x1, 0xfff, 0xc, 0x4) [ 84.007788][ T5326] loop0: detected capacity change from 0 to 512 [ 84.039026][ T5326] EXT4-fs (loop0): invalid journal inode [ 84.052363][ T5326] EXT4-fs (loop0): can't get journal size [ 84.092256][ T5326] EXT4-fs (loop0): 1 truncate cleaned up [ 84.108356][ T5326] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 84.158194][ T5326] loop0: detected capacity change from 512 to 64 [ 84.191151][ T5326] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #19: comm syz.0.0: corrupted inode contents [ 84.199906][ T5326] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #19: comm syz.0.0: mark_inode_dirty error [ 84.205391][ T5326] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #19: comm syz.0.0: corrupted inode contents [ 84.212593][ T5326] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #19: comm syz.0.0: mark_inode_dirty error [ 84.217714][ T5326] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #19: comm syz.0.0: corrupted inode contents [ 84.224023][ T5326] EXT4-fs error (device loop0): mpage_map_and_submit_extent:2558: inode #19: comm syz.0.0: mark_inode_dirty error [ 84.230547][ T5327] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #19: comm syz.0.0: corrupted inode contents [ 84.237483][ T5326] EXT4-fs error (device loop0): mpage_map_and_submit_extent:2562: comm syz.0.0: Failed to mark inode 19 dirty [ 84.245130][ T5326] syz.0.0: attempt to access beyond end of device [ 84.245130][ T5326] loop0: rw=2049, sector=258, nr_sectors = 24 limit=64 [ 84.252401][ T5327] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #19: comm syz.0.0: mark_inode_dirty error [ 84.257571][ T5326] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 19 starting block 129) [ 84.264072][ T5325] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #19: comm syz.0.0: corrupted inode contents [ 84.271165][ T5326] Buffer I/O error on device loop0, logical block 129 [ 84.274052][ T5326] Buffer I/O error on device loop0, logical block 130 [ 84.276694][ T5326] Buffer I/O error on device loop0, logical block 131 [ 84.279334][ T5326] Buffer I/O error on device loop0, logical block 132 [ 84.281880][ T5326] Buffer I/O error on device loop0, logical block 133 [ 84.284440][ T5326] Buffer I/O error on device loop0, logical block 134 [ 84.287158][ T5326] Buffer I/O error on device loop0, logical block 135 [ 84.289919][ T5326] Buffer I/O error on device loop0, logical block 136 [ 84.292644][ T5326] Buffer I/O error on device loop0, logical block 137 [ 84.295335][ T5326] Buffer I/O error on device loop0, logical block 138 [ 84.319525][ T5327] syz.0.0: attempt to access beyond end of device [ 84.319525][ T5327] loop0: rw=2049, sector=72, nr_sectors = 12 limit=64 [ 84.325254][ T5327] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 36) [ 84.439693][ T5326] ------------[ cut here ]------------ [ 84.442465][ T5326] kernel BUG at fs/ext4/mballoc.c:4780! [ 84.445006][ T5326] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 84.447795][ T5326] CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 84.451487][ T5326] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 84.455632][ T5326] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 84.458290][ T5326] Code: e8 14 8e a4 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 e0 a8 37 ff 90 0f 0b e8 d8 a8 37 ff 90 0f 0b e8 d0 a8 37 ff 90 <0f> 0b e8 c8 a8 37 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 84.466233][ T5326] RSP: 0018:ffffc9000e67e7c8 EFLAGS: 00010283 [ 84.468857][ T5326] RAX: ffffffff828e1e40 RBX: 00000000ffffffec RCX: 0000000000100000 [ 84.472231][ T5326] RDX: ffffc9000ef42000 RSI: 000000000000e22b RDI: 000000000000e22c [ 84.475531][ T5326] RBP: 1ffff11008de01ba R08: ffff888046f05efb R09: 1ffff11008de0bdf [ 84.478858][ T5326] R10: dffffc0000000000 R11: ffffed1008de0be0 R12: 0000000000000000 [ 84.482205][ T5326] R13: 0000000000000034 R14: 1ffff11008de0be2 R15: ffff888046f05f10 [ 84.485572][ T5326] FS: 00007fabf2a386c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000 [ 84.489208][ T5326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.492052][ T5326] CR2: 0000200000001000 CR3: 000000004468b000 CR4: 0000000000352ef0 [ 84.495462][ T5326] Call Trace: [ 84.496956][ T5326] [ 84.498326][ T5326] ext4_mb_use_preallocated+0x660/0x13f0 [ 84.500654][ T5326] ext4_mb_new_blocks+0x5e2/0x46c0 [ 84.502934][ T5326] ? rcu_is_watching+0x15/0xb0 [ 84.505074][ T5326] ? __mark_inode_dirty+0x4cf/0x13b0 [ 84.507260][ T5326] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 84.509621][ T5326] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 84.511915][ T5326] ? ext4_block_to_path+0x297/0x6f0 [ 84.514129][ T5326] ext4_ind_map_blocks+0xe96/0x2260 [ 84.516321][ T5326] ? __lock_acquire+0x6b5/0x2cf0 [ 84.518456][ T5326] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 84.520769][ T5326] ? stack_depot_save_flags+0x33/0x810 [ 84.523065][ T5326] ? __kasan_slab_alloc+0x6c/0x80 [ 84.525218][ T5326] ? ext4_inode_journal_mode+0x193/0x470 [ 84.527616][ T5326] ? ext4_map_blocks+0x7b5/0x11d0 [ 84.529719][ T5326] ext4_map_create_blocks+0xc1/0x540 [ 84.531999][ T5326] ext4_map_blocks+0x7cd/0x11d0 [ 84.534059][ T5326] ? __pfx_ext4_map_blocks+0x10/0x10 [ 84.536233][ T5326] ? __ext4_journal_ensure_credits+0x30/0x450 [ 84.538797][ T5326] ext4_do_writepages+0x18f3/0x4670 [ 84.541065][ T5326] ? __lock_acquire+0x6b5/0x2cf0 [ 84.543163][ T5326] ? __lock_acquire+0x6b5/0x2cf0 [ 84.545237][ T5326] ? __pfx_ext4_do_writepages+0x10/0x10 [ 84.547603][ T5326] ? __lock_acquire+0x6b5/0x2cf0 [ 84.549679][ T5326] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 84.552262][ T5326] ? debug_object_free+0x2d7/0x490 [ 84.554404][ T5326] ? ext4_writepages+0x205/0x3b0 [ 84.556483][ T5326] ? ext4_writepages+0x205/0x3b0 [ 84.558527][ T5326] ext4_writepages+0x241/0x3b0 [ 84.560523][ T5326] ? __pfx_ext4_writepages+0x10/0x10 [ 84.562722][ T5326] ? __pfx_ext4_writepages+0x10/0x10 [ 84.564919][ T5326] do_writepages+0x32e/0x550 [ 84.566817][ T5326] ? do_raw_spin_unlock+0x4d/0x210 [ 84.569011][ T5326] file_write_and_wait_range+0x36e/0x440 [ 84.571427][ T5326] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 84.574037][ T5326] mmb_fsync_noflush+0x76/0x1c0 [ 84.576047][ T5326] ext4_sync_file+0x437/0xd50 [ 84.577994][ T5326] ? __pfx_ext4_sync_file+0x10/0x10 [ 84.580111][ T5326] ? ext4_buffered_write_iter+0xd9/0x3a0 [ 84.582329][ T5326] ? up_write+0x1ab/0x410 [ 84.584175][ T5326] ext4_buffered_write_iter+0x2ca/0x3a0 [ 84.586439][ T5326] ext4_file_write_iter+0x298/0x1bf0 [ 84.588656][ T5326] ? vfs_write+0x227/0xb90 [ 84.590553][ T5326] ? vfs_write+0x227/0xb90 [ 84.592390][ T5326] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 84.594645][ T5326] vfs_write+0x61d/0xb90 [ 84.596367][ T5326] ? __pfx_vfs_write+0x10/0x10 [ 84.598337][ T5326] ? __fget_files+0x2a/0x420 [ 84.600332][ T5326] ksys_write+0x150/0x270 [ 84.602133][ T5326] ? __pfx_ksys_write+0x10/0x10 [ 84.604178][ T5326] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.606667][ T5326] do_syscall_64+0x174/0x580 [ 84.608623][ T5326] ? clear_bhb_loop+0x40/0x90 [ 84.610668][ T5326] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.613188][ T5326] RIP: 0033:0x7fabf1b9ce59 [ 84.615122][ T5326] 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 [ 84.623251][ T5326] RSP: 002b:00007fabf2a37fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.626706][ T5326] RAX: ffffffffffffffda RBX: 00007fabf1e15fa0 RCX: 00007fabf1b9ce59 [ 84.629962][ T5326] RDX: 000000000000fea7 RSI: 0000200000000180 RDI: 0000000000000007 [ 84.633213][ T5326] RBP: 00007fabf1c32d6f R08: 0000000000000000 R09: 0000000000000000 [ 84.636364][ T5326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 84.639678][ T5326] R13: 00007fabf1e16038 R14: 00007fabf1e15fa0 R15: 00007ffc66b11bc8 [ 84.642932][ T5326] [ 84.644150][ T5326] Modules linked in: [ 84.646265][ T5326] ---[ end trace 0000000000000000 ]--- [ 84.648712][ T5326] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 84.651237][ T5326] Code: e8 14 8e a4 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 e0 a8 37 ff 90 0f 0b e8 d8 a8 37 ff 90 0f 0b e8 d0 a8 37 ff 90 <0f> 0b e8 c8 a8 37 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 84.659381][ T5326] RSP: 0018:ffffc9000e67e7c8 EFLAGS: 00010283 [ 84.661982][ T5326] RAX: ffffffff828e1e40 RBX: 00000000ffffffec RCX: 0000000000100000 [ 84.665214][ T5326] RDX: ffffc9000ef42000 RSI: 000000000000e22b RDI: 000000000000e22c [ 84.668872][ T5326] RBP: 1ffff11008de01ba R08: ffff888046f05efb R09: 1ffff11008de0bdf [ 84.672317][ T5326] R10: dffffc0000000000 R11: ffffed1008de0be0 R12: 0000000000000000 [ 84.675780][ T5326] R13: 0000000000000034 R14: 1ffff11008de0be2 R15: ffff888046f05f10 [ 84.679267][ T5326] FS: 00007fabf2a386c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000 [ 84.683146][ T5326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.686002][ T5326] CR2: 0000200000001000 CR3: 000000004468b000 CR4: 0000000000352ef0 [ 84.689151][ T5326] Kernel panic - not syncing: Fatal exception [ 84.692078][ T5326] Kernel Offset: disabled [ 84.693833][ T5326] Rebooting in 86400 seconds..