program: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000840)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xc0ed000e, &(0x7f0000000940)={[{@min_batch_time={'min_batch_time', 0x3d, 0x5}}, {@auto_da_alloc}, {@mb_optimize_scan}, {@noload}, {@noload}, {@noblock_validity}, {@barrier_val={'barrier', 0x3d, 0x80}}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x8000}}]}, 0xfe, 0x497, &(0x7f0000000a00)="$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") open(&(0x7f0000000180)='./bus\x00', 0x4a37e, 0x4) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.usage_percpu\x00', 0x275a, 0x0) close(0x3) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.usage_percpu\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000200), 0xfea7) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x8000, 0xa0) ioctl$LOOP_SET_STATUS64(r1, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8, 0xfffffffffffffffe]}) close(0x3) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) close_range(r2, 0xffffffffffffffff, 0x0) [ 75.452483][ T5317] loop0: detected capacity change from 0 to 512 [ 75.649427][ T5317] EXT4-fs error (device loop0): __ext4_iget:5592: inode #15: block 1803188595: comm syz.0.0: invalid block [ 75.649597][ T5317] loop0: lost file I/O error report for ino 15 type 5 pos 0x0 len 0x0 error -117 [ 75.655296][ T5317] EXT4-fs error (device loop0): ext4_orphan_get:1408: comm syz.0.0: couldn't read orphan inode 15 (err -117) [ 75.655484][ T5317] loop0: lost filesystem error report for type 5 error -117 [ 75.684065][ T5317] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 75.727537][ T5317] loop0: detected capacity change from 512 to 64 [ 75.746534][ T44] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm kworker/u4:3: corrupted inode contents [ 75.749480][ T44] EXT4-fs error (device loop0): ext4_dirty_inode:6731: inode #19: comm kworker/u4:3: mark_inode_dirty error [ 75.749848][ T44] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm kworker/u4:3: corrupted inode contents [ 75.750354][ T44] EXT4-fs error (device loop0): ext4_dirty_inode:6731: inode #19: comm kworker/u4:3: mark_inode_dirty error [ 75.750910][ T44] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm kworker/u4:3: corrupted inode contents [ 75.774310][ T44] EXT4-fs error (device loop0): mpage_map_and_submit_extent:2537: inode #19: comm kworker/u4:3: mark_inode_dirty error [ 75.786013][ T44] EXT4-fs error (device loop0): mpage_map_and_submit_extent:2541: comm kworker/u4:3: Failed to mark inode 19 dirty [ 75.792413][ T44] kworker/u4:3: attempt to access beyond end of device [ 75.792413][ T44] loop0: rw=1, sector=258, nr_sectors = 24 limit=64 [ 75.792474][ T44] EXT4-fs warning (device loop0): ext4_end_bio:364: I/O error 10 writing to inode 19 starting block 129) [ 75.792653][ T44] Buffer I/O error on device loop0, logical block 129 [ 75.792683][ T44] Buffer I/O error on device loop0, logical block 130 [ 75.792691][ T44] Buffer I/O error on device loop0, logical block 131 [ 75.792697][ T44] Buffer I/O error on device loop0, logical block 132 [ 75.792703][ T44] Buffer I/O error on device loop0, logical block 133 [ 75.792709][ T44] Buffer I/O error on device loop0, logical block 134 [ 75.792716][ T44] Buffer I/O error on device loop0, logical block 135 [ 75.792722][ T44] Buffer I/O error on device loop0, logical block 136 [ 75.792728][ T44] Buffer I/O error on device loop0, logical block 137 [ 75.792734][ T44] Buffer I/O error on device loop0, logical block 138 [ 75.839287][ T5318] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm syz.0.0: corrupted inode contents [ 75.852764][ T4651] Bluetooth: hci0: command tx timeout [ 75.897680][ T5318] EXT4-fs error (device loop0): ext4_dirty_inode:6731: inode #19: comm syz.0.0: mark_inode_dirty error [ 75.905349][ T5318] ------------[ cut here ]------------ [ 75.905403][ T5318] kernel BUG at fs/ext4/mballoc.c:4781! [ 75.905445][ T5318] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 75.913506][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 75.917547][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 75.922035][ T5318] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 75.924630][ T5318] Code: e8 a6 00 a2 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 02 99 30 ff 90 0f 0b e8 fa 98 30 ff 90 0f 0b e8 f2 98 30 ff 90 <0f> 0b e8 ea 98 30 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 75.932932][ T5318] RSP: 0018:ffffc9000f2e6da0 EFLAGS: 00010283 [ 75.935789][ T5318] RAX: ffffffff8297333e RBX: 00000000ffffffec RCX: 0000000000100000 [ 75.939029][ T5318] RDX: ffffc9000f779000 RSI: 0000000000001233 RDI: 0000000000001234 [ 75.942293][ T5318] RBP: 1ffff110085fd529 R08: ffff888042feeefb R09: 1ffff110085fdddf [ 75.945603][ T5318] R10: dffffc0000000000 R11: ffffed10085fdde0 R12: 0000000000000000 [ 75.949068][ T5318] R13: 0000000000000034 R14: 1ffff110085fdde2 R15: ffff888042feef10 [ 75.952566][ T5318] FS: 00007fdae0dfd6c0(0000) GS:ffff88808c2cf000(0000) knlGS:0000000000000000 [ 75.956491][ T5318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.959464][ T5318] CR2: 00007fdae0dbafe8 CR3: 0000000012d3f000 CR4: 0000000000352ef0 [ 75.962777][ T5318] Call Trace: [ 75.964226][ T5318] [ 75.965518][ T5318] ext4_mb_use_preallocated+0x638/0x13e0 [ 75.968041][ T5318] ext4_mb_new_blocks+0x5a0/0x4530 [ 75.970336][ T5318] ? do_raw_spin_unlock+0x4d/0x200 [ 75.972558][ T5318] ? _raw_spin_unlock+0x28/0x50 [ 75.974592][ T5318] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 75.976700][ T5318] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 75.979094][ T5318] ? ext4_block_to_path+0x382/0x700 [ 75.981392][ T5318] ext4_ind_map_blocks+0xe96/0x22a0 [ 75.983766][ T5318] ? lockdep_unlock+0x5c/0xd0 [ 75.985775][ T5318] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 75.987895][ T5318] ? down_write+0x16b/0x200 [ 75.989789][ T5318] ext4_map_create_blocks+0xbb/0x530 [ 75.991924][ T5318] ? ext4_fc_track_inode+0xf3/0x3f0 [ 75.994070][ T5318] ext4_map_blocks+0x791/0x12c0 [ 75.996238][ T5318] ? ext4_alloc_io_end_vec+0x2b/0x160 [ 75.998667][ T5318] ? __pfx_ext4_map_blocks+0x10/0x10 [ 76.001029][ T5318] ? kmem_cache_alloc_noprof+0x156/0x600 [ 76.003491][ T5318] ext4_do_writepages+0x1901/0x4770 [ 76.005806][ T5318] ? __pfx_ext4_do_writepages+0x10/0x10 [ 76.008264][ T5318] ? __lock_acquire+0x6df/0x2e50 [ 76.010454][ T5318] ? is_bpf_text_address+0x26/0x2b0 [ 76.012755][ T5318] ? is_bpf_text_address+0x292/0x2b0 [ 76.015013][ T5318] ? is_bpf_text_address+0x26/0x2b0 [ 76.017127][ T5318] ? kernel_text_address+0xa5/0xe0 [ 76.019294][ T5318] ? lock_acquire+0x115/0x350 [ 76.021295][ T5318] ext4_writepages+0x241/0x3b0 [ 76.023423][ T5318] ? __lock_acquire+0x6df/0x2e50 [ 76.025646][ T5318] ? __pfx_ext4_writepages+0x10/0x10 [ 76.028090][ T5318] ? __mutex_trylock_common+0x15f/0x270 [ 76.030596][ T5318] ? __pfx_ext4_writepages+0x10/0x10 [ 76.032974][ T5318] do_writepages+0x338/0x560 [ 76.035161][ T5318] ? do_raw_spin_unlock+0x4d/0x200 [ 76.037459][ T5318] filemap_flush+0x1e1/0x2e0 [ 76.039511][ T5318] ? __pfx_filemap_flush+0x10/0x10 [ 76.041767][ T5318] ? locks_remove_file+0x11a/0xf40 [ 76.043584][ T5318] ? locks_remove_posix+0x14f/0x6a0 [ 76.045364][ T5318] ? rcu_is_watching+0x16/0xb0 [ 76.047034][ T5318] ext4_release_file+0x82/0x310 [ 76.048800][ T5318] ? __pfx_ext4_release_file+0x10/0x10 [ 76.051074][ T5318] __fput+0x418/0xa50 [ 76.052669][ T5318] fput_close_sync+0x11f/0x240 [ 76.054692][ T5318] ? __pfx_fput_close_sync+0x10/0x10 [ 76.056935][ T5318] __x64_sys_close+0x7e/0x110 [ 76.059023][ T5318] do_syscall_64+0x166/0x520 [ 76.061080][ T5318] ? trace_irq_disable+0x3b/0x140 [ 76.063318][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.065760][ T5318] ? clear_bhb_loop+0x70/0xc0 [ 76.067642][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.070056][ T5318] RIP: 0033:0x7fdadff9e159 [ 76.071764][ T5318] 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 [ 76.079589][ T5318] RSP: 002b:00007fdae0dfcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 76.083114][ T5318] RAX: ffffffffffffffda RBX: 00007fdae0226090 RCX: 00007fdadff9e159 [ 76.086490][ T5318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 76.089869][ T5318] RBP: 00007fdae0035024 R08: 0000000000000000 R09: 0000000000000000 [ 76.093130][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.096412][ T5318] R13: 00007fdae0226128 R14: 00007fdae0226090 R15: 00007ffe6b6cced8 [ 76.099850][ T5318] [ 76.101184][ T5318] Modules linked in: [ 76.103445][ T5318] ---[ end trace 0000000000000000 ]--- [ 76.105871][ T5318] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 76.105913][ T5318] Code: e8 a6 00 a2 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 02 99 30 ff 90 0f 0b e8 fa 98 30 ff 90 0f 0b e8 f2 98 30 ff 90 <0f> 0b e8 ea 98 30 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 76.105936][ T5318] RSP: 0018:ffffc9000f2e6da0 EFLAGS: 00010283 [ 76.105974][ T5318] RAX: ffffffff8297333e RBX: 00000000ffffffec RCX: 0000000000100000 [ 76.105995][ T5318] RDX: ffffc9000f779000 RSI: 0000000000001233 RDI: 0000000000001234 [ 76.106015][ T5318] RBP: 1ffff110085fd529 R08: ffff888042feeefb R09: 1ffff110085fdddf [ 76.106036][ T5318] R10: dffffc0000000000 R11: ffffed10085fdde0 R12: 0000000000000000 [ 76.106058][ T5318] R13: 0000000000000034 R14: 1ffff110085fdde2 R15: ffff888042feef10 [ 76.106083][ T5318] FS: 00007fdae0dfd6c0(0000) GS:ffff88808c2cf000(0000) knlGS:0000000000000000 [ 76.106111][ T5318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.106139][ T5318] CR2: 00007fdae0dbafe8 CR3: 0000000012d3f000 CR4: 0000000000352ef0 [ 76.106193][ T5318] Kernel panic - not syncing: Fatal exception [ 76.148490][ T5318] Kernel Offset: disabled [ 76.150374][ T5318] Rebooting in 86400 seconds..