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, 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', 0x143042, 0x0) pwritev2(r1, &(0x7f00000001c0)=[{&(0x7f0000000080)="ff", 0xfdef}], 0x1, 0xe7b, 0x0, 0x86) [ 74.738174][ T4637] Bluetooth: hci0: command tx timeout [ 74.851401][ T5304] loop0: detected capacity change from 0 to 512 [ 74.895502][ T5304] EXT4-fs (loop0): invalid journal inode [ 74.916276][ T5304] EXT4-fs (loop0): can't get journal size [ 74.989874][ T5304] EXT4-fs (loop0): 1 truncate cleaned up [ 75.024682][ T5304] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 75.087313][ T5304] loop0: detected capacity change from 512 to 64 [ 75.132768][ T186] kworker/u4:6: attempt to access beyond end of device [ 75.132768][ T186] loop0: rw=1, sector=386, nr_sectors = 2 limit=64 [ 75.150846][ T186] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 193) [ 75.161712][ T186] Buffer I/O error on device loop0, logical block 193 [ 75.184256][ T186] kworker/u4:6: attempt to access beyond end of device [ 75.184256][ T186] loop0: rw=1, sector=392, nr_sectors = 2 limit=64 [ 75.194989][ T5304] syz.0.0: attempt to access beyond end of device [ 75.194989][ T5304] loop0: rw=2049, sector=394, nr_sectors = 16 limit=64 [ 75.205614][ T186] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 196) [ 75.212821][ T5304] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 197) [ 75.223124][ T186] Buffer I/O error on device loop0, logical block 196 [ 75.225992][ T5304] Buffer I/O error on device loop0, logical block 197 [ 75.228888][ T5304] Buffer I/O error on device loop0, logical block 198 [ 75.231548][ T5304] Buffer I/O error on device loop0, logical block 199 [ 75.234360][ T5304] Buffer I/O error on device loop0, logical block 200 [ 75.247236][ T186] EXT4-fs error (device loop0): ext4_do_update_inode:5742: inode #15: comm kworker/u4:6: corrupted inode contents [ 75.260865][ T186] EXT4-fs error (device loop0): ext4_dirty_inode:6639: inode #15: comm kworker/u4:6: mark_inode_dirty error [ 75.268130][ T5304] Buffer I/O error on device loop0, logical block 201 [ 75.271027][ T5304] Buffer I/O error on device loop0, logical block 202 [ 75.273909][ T5304] Buffer I/O error on device loop0, logical block 203 [ 75.276614][ T5304] Buffer I/O error on device loop0, logical block 204 [ 75.284756][ T186] EXT4-fs error (device loop0): ext4_do_update_inode:5742: inode #15: comm kworker/u4:6: corrupted inode contents [ 75.291183][ T186] EXT4-fs error (device loop0): ext4_dirty_inode:6639: inode #15: comm kworker/u4:6: mark_inode_dirty error [ 75.407988][ T5304] EXT4-fs error (device loop0): ext4_do_update_inode:5742: inode #15: comm syz.0.0: corrupted inode contents [ 75.417163][ T5304] EXT4-fs error (device loop0): ext4_dirty_inode:6639: inode #15: comm syz.0.0: mark_inode_dirty error [ 75.422986][ T5304] ------------[ cut here ]------------ [ 75.426067][ T5304] kernel BUG at fs/ext4/mballoc.c:4780! [ 75.428460][ T5304] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 75.431120][ T5304] CPU: 0 UID: 0 PID: 5304 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 75.434927][ T5304] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 75.439157][ T5304] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 75.441659][ T5304] Code: e8 d6 38 a3 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 b2 f5 33 ff 90 0f 0b e8 aa f5 33 ff 90 0f 0b e8 a2 f5 33 ff 90 <0f> 0b e8 9a f5 33 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 75.449722][ T5304] RSP: 0018:ffffc9000e19e6a0 EFLAGS: 00010287 [ 75.452342][ T5304] RAX: ffffffff82931c5e RBX: 00000000ffffffee RCX: 0000000000100000 [ 75.455680][ T5304] RDX: ffffc9000eb52000 RSI: 000000000000b42c RDI: 000000000000b42d [ 75.458972][ T5304] RBP: 1ffff110087222b5 R08: ffff888043915efb R09: 1ffff11008722bdf [ 75.462285][ T5304] R10: dffffc0000000000 R11: ffffed1008722be0 R12: 0000000000000000 [ 75.465719][ T5304] R13: 0000000000000014 R14: 1ffff11008722be2 R15: ffff888043915f10 [ 75.469072][ T5304] FS: 00007f98ee90b6c0(0000) GS:ffff88808c53e000(0000) knlGS:0000000000000000 [ 75.472851][ T5304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.475618][ T5304] CR2: 00007ffe0c9f4868 CR3: 000000001fcaa000 CR4: 0000000000352ef0 [ 75.478999][ T5304] Call Trace: [ 75.480461][ T5304] [ 75.481715][ T5304] ext4_mb_use_preallocated+0x638/0x13e0 [ 75.484112][ T5304] ext4_mb_new_blocks+0x5a0/0x4530 [ 75.486253][ T5304] ? do_raw_spin_unlock+0x4d/0x210 [ 75.488448][ T5304] ? _raw_spin_unlock+0x28/0x50 [ 75.490624][ T5304] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 75.493103][ T5304] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 75.495501][ T5304] ? ext4_block_to_path+0x382/0x700 [ 75.497649][ T5304] ext4_ind_map_blocks+0xe96/0x22a0 [ 75.499911][ T5304] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 75.502295][ T5304] ? kasan_save_track+0x4f/0x80 [ 75.504411][ T5304] ? ext4_map_blocks+0x7cc/0x1240 [ 75.506417][ T5304] ? down_write+0x16d/0x200 [ 75.508231][ T5304] ext4_map_create_blocks+0xbb/0x530 [ 75.510340][ T5304] ? ext4_fc_track_inode+0xf3/0x3f0 [ 75.512423][ T5304] ext4_map_blocks+0x7e4/0x1240 [ 75.514300][ T5304] ? __pfx_ext4_map_blocks+0x10/0x10 [ 75.516421][ T5304] ? __ext4_journal_ensure_credits+0x30/0x450 [ 75.518779][ T5304] ext4_do_writepages+0x19e3/0x47a0 [ 75.521079][ T5304] ? __lock_acquire+0x683/0x2cf0 [ 75.523281][ T5304] ? __pfx_ext4_do_writepages+0x10/0x10 [ 75.525675][ T5304] ? __lock_acquire+0x683/0x2cf0 [ 75.527710][ T5304] ? __free_object+0x432/0x5d0 [ 75.529759][ T5304] ? lockdep_hardirqs_on+0x7a/0x110 [ 75.531933][ T5304] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 75.534500][ T5304] ? debug_object_free+0x29c/0x340 [ 75.536764][ T5304] ? ext4_writepages+0x205/0x3b0 [ 75.538872][ T5304] ? ext4_writepages+0x205/0x3b0 [ 75.541010][ T5304] ext4_writepages+0x241/0x3b0 [ 75.543080][ T5304] ? __pfx_ext4_writepages+0x10/0x10 [ 75.545265][ T5304] ? __pfx_ext4_writepages+0x10/0x10 [ 75.547553][ T5304] do_writepages+0x338/0x560 [ 75.549438][ T5304] ? do_raw_spin_unlock+0x4d/0x210 [ 75.551437][ T5304] file_write_and_wait_range+0x36e/0x440 [ 75.553666][ T5304] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 75.556113][ T5304] ? __folio_mark_dirty+0x77e/0xf20 [ 75.558294][ T5304] mmb_fsync_noflush+0x73/0x1d0 [ 75.560435][ T5304] ext4_sync_file+0x41a/0xd00 [ 75.562481][ T5304] ? __pfx_ext4_sync_file+0x10/0x10 [ 75.564722][ T5304] ? ext4_buffered_write_iter+0xd6/0x370 [ 75.567176][ T5304] ? sync_lazytime+0x5a/0x4c0 [ 75.569256][ T5304] ext4_buffered_write_iter+0x2c7/0x370 [ 75.571639][ T5304] ext4_file_write_iter+0x947/0x1c70 [ 75.573937][ T5304] ? __lock_acquire+0x683/0x2cf0 [ 75.576086][ T5304] ? __futex_wait+0x358/0x400 [ 75.578108][ T5304] ? __pfx_aa_file_perm+0x10/0x10 [ 75.580381][ T5304] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 75.582887][ T5304] ? __pfx___futex_wait+0x10/0x10 [ 75.585129][ T5304] do_iter_readv_writev+0x612/0x8c0 [ 75.587344][ T5304] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 75.589913][ T5304] vfs_writev+0x343/0x990 [ 75.591850][ T5304] ? __pfx_vfs_writev+0x10/0x10 [ 75.593922][ T5304] ? __fget_files+0x2a/0x420 [ 75.595875][ T5304] ? __fget_files+0x3a2/0x420 [ 75.597802][ T5304] ? __fget_files+0x2a/0x420 [ 75.599732][ T5304] __se_sys_pwritev2+0x177/0x2a0 [ 75.601962][ T5304] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 75.604371][ T5304] ? __x64_sys_pwritev2+0x20/0xc0 [ 75.606548][ T5304] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.609136][ T5304] do_syscall_64+0x174/0x580 [ 75.611077][ T5304] ? trace_irq_disable+0x3b/0x140 [ 75.613137][ T5304] ? clear_bhb_loop+0x70/0xc0 [ 75.614940][ T5304] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.617424][ T5304] RIP: 0033:0x7f98ed99e0d9 [ 75.619339][ T5304] 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 [ 75.627346][ T5304] RSP: 002b:00007f98ee90afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 75.630939][ T5304] RAX: ffffffffffffffda RBX: 00007f98edc25fa0 RCX: 00007f98ed99e0d9 [ 75.634419][ T5304] RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000006 [ 75.637729][ T5304] RBP: 00007f98eda35024 R08: 0000000000000000 R09: 0000000000000086 [ 75.641003][ T5304] R10: 0000000000000e7b R11: 0000000000000246 R12: 0000000000000000 [ 75.644289][ T5304] R13: 00007f98edc26038 R14: 00007f98edc25fa0 R15: 00007fffb3d76598 [ 75.647636][ T5304] [ 75.648963][ T5304] Modules linked in: [ 75.651180][ T5304] ---[ end trace 0000000000000000 ]--- [ 75.653624][ T5304] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 75.656135][ T5304] Code: e8 d6 38 a3 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 b2 f5 33 ff 90 0f 0b e8 aa f5 33 ff 90 0f 0b e8 a2 f5 33 ff 90 <0f> 0b e8 9a f5 33 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 75.664294][ T5304] RSP: 0018:ffffc9000e19e6a0 EFLAGS: 00010287 [ 75.666925][ T5304] RAX: ffffffff82931c5e RBX: 00000000ffffffee RCX: 0000000000100000 [ 75.670276][ T5304] RDX: ffffc9000eb52000 RSI: 000000000000b42c RDI: 000000000000b42d [ 75.673647][ T5304] RBP: 1ffff110087222b5 R08: ffff888043915efb R09: 1ffff11008722bdf [ 75.677051][ T5304] R10: dffffc0000000000 R11: ffffed1008722be0 R12: 0000000000000000 [ 75.680272][ T5304] R13: 0000000000000014 R14: 1ffff11008722be2 R15: ffff888043915f10 [ 75.683628][ T5304] FS: 00007f98ee90b6c0(0000) GS:ffff88808c53e000(0000) knlGS:0000000000000000 [ 75.687625][ T5304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.690494][ T5304] CR2: 00007ffe0c9f4868 CR3: 000000001fcaa000 CR4: 0000000000352ef0 [ 75.693908][ T5304] Kernel panic - not syncing: Fatal exception [ 75.696897][ T5304] Kernel Offset: disabled [ 75.698711][ T5304] Rebooting in 86400 seconds..