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) r0 = openat(0xffffffffffffff9c, 0x0, 0x101042, 0x15) pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xc00) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f00000003c0)='./bus\x00', 0x0, 0x5000, 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]}) r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101842, 0x11) pwritev2(r2, &(0x7f0000000cc0)=[{&(0x7f0000000240)=';', 0xffffffbc}], 0x1, 0xfff, 0xc, 0x4) [ 84.021762][ T44] Bluetooth: hci0: command tx timeout [ 84.152643][ T5332] loop0: detected capacity change from 0 to 512 [ 84.212337][ T5332] EXT4-fs (loop0): invalid journal inode [ 84.229366][ T5332] EXT4-fs (loop0): can't get journal size [ 84.320479][ T5332] EXT4-fs (loop0): 1 truncate cleaned up [ 84.364336][ T5332] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 84.417314][ T5332] loop0: detected capacity change from 512 to 64 [ 84.456973][ T5332] syz.0.0: attempt to access beyond end of device [ 84.456973][ T5332] loop0: rw=2049, sector=72, nr_sectors = 2 limit=64 [ 84.463118][ T5332] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 36) [ 84.471937][ T5332] Buffer I/O error on device loop0, logical block 36 [ 84.483723][ T5332] syz.0.0: attempt to access beyond end of device [ 84.483723][ T5332] loop0: rw=2049, sector=78, nr_sectors = 2 limit=64 [ 84.496801][ T5332] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 39) [ 84.511442][ T5332] Buffer I/O error on device loop0, logical block 39 [ 84.523876][ T5332] syz.0.0: attempt to access beyond end of device [ 84.523876][ T5332] loop0: rw=2049, sector=80, nr_sectors = 16 limit=64 [ 84.537300][ T5332] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 40) [ 84.548679][ T5332] Buffer I/O error on device loop0, logical block 40 [ 84.551504][ T5332] Buffer I/O error on device loop0, logical block 41 [ 84.554117][ T5332] Buffer I/O error on device loop0, logical block 42 [ 84.556855][ T5332] Buffer I/O error on device loop0, logical block 43 [ 84.571800][ T12] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm kworker/u4:0: corrupted inode contents [ 84.585638][ T5332] Buffer I/O error on device loop0, logical block 44 [ 84.588688][ T5332] Buffer I/O error on device loop0, logical block 45 [ 84.592025][ T5332] Buffer I/O error on device loop0, logical block 46 [ 84.594988][ T5332] Buffer I/O error on device loop0, logical block 47 [ 84.613165][ T12] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm kworker/u4:0: mark_inode_dirty error [ 84.624170][ T12] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm kworker/u4:0: corrupted inode contents [ 84.631650][ T12] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm kworker/u4:0: mark_inode_dirty error [ 84.734251][ T5332] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm syz.0.0: corrupted inode contents [ 84.749708][ T5332] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm syz.0.0: mark_inode_dirty error [ 84.768779][ T5332] ------------[ cut here ]------------ [ 84.771986][ T5332] kernel BUG at fs/ext4/mballoc.c:4780! [ 84.776698][ T5332] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 84.780103][ T5332] CPU: 0 UID: 0 PID: 5332 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 84.785094][ T5332] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 84.789635][ T5332] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 84.792472][ T5332] Code: e8 16 44 a4 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 f2 73 37 ff 90 0f 0b e8 ea 73 37 ff 90 0f 0b e8 e2 73 37 ff 90 <0f> 0b e8 da 73 37 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 84.801162][ T5332] RSP: 0018:ffffc9000def66a0 EFLAGS: 00010287 [ 84.803757][ T5332] RAX: ffffffff828df2ee RBX: 00000000ffffffc6 RCX: 0000000000100000 [ 84.807327][ T5332] RDX: ffffc9000f012000 RSI: 0000000000011ef2 RDI: 0000000000011ef3 [ 84.811630][ T5332] RBP: 1ffff11008f134b5 R08: ffff88804789eefb R09: 1ffff11008f13ddf [ 84.816056][ T5332] R10: dffffc0000000000 R11: ffffed1008f13de0 R12: 0000000000000000 [ 84.819549][ T5332] R13: 0000000000000058 R14: 1ffff11008f13de2 R15: ffff88804789ef10 [ 84.822832][ T5332] FS: 00007f60b9fb36c0(0000) GS:ffff88808c8a6000(0000) knlGS:0000000000000000 [ 84.826483][ T5332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.829197][ T5332] CR2: 000055d1e96dd168 CR3: 000000000e492000 CR4: 0000000000352ef0 [ 84.832596][ T5332] Call Trace: [ 84.834172][ T5332] [ 84.835789][ T5332] ext4_mb_use_preallocated+0x638/0x13e0 [ 84.838443][ T5332] ext4_mb_new_blocks+0x5a0/0x4530 [ 84.840780][ T5332] ? do_raw_spin_unlock+0x4d/0x210 [ 84.842967][ T5332] ? _raw_spin_unlock+0x28/0x50 [ 84.845267][ T5332] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 84.848091][ T5332] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 84.850922][ T5332] ? ext4_block_to_path+0x382/0x700 [ 84.853246][ T5332] ext4_ind_map_blocks+0xe96/0x22a0 [ 84.855644][ T5332] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 84.858127][ T5332] ? ext4_alloc_io_end_vec+0x2b/0x160 [ 84.860474][ T5332] ? ext4_map_blocks+0x7cc/0x1240 [ 84.862630][ T5332] ? down_write+0x16d/0x200 [ 84.865179][ T5332] ext4_map_create_blocks+0xbb/0x530 [ 84.867844][ T5332] ext4_map_blocks+0x7e4/0x1240 [ 84.869962][ T5332] ? __pfx_ext4_map_blocks+0x10/0x10 [ 84.872216][ T5332] ? __ext4_journal_ensure_credits+0x30/0x450 [ 84.874827][ T5332] ext4_do_writepages+0x19e3/0x47a0 [ 84.877313][ T5332] ? __lock_acquire+0x683/0x2cd0 [ 84.879880][ T5332] ? __pfx_ext4_do_writepages+0x10/0x10 [ 84.882558][ T5332] ? __lock_acquire+0x683/0x2cd0 [ 84.884883][ T5332] ? __free_object+0x432/0x5d0 [ 84.886979][ T5332] ? lockdep_hardirqs_on+0x7a/0x110 [ 84.889263][ T5332] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 84.891931][ T5332] ? ext4_writepages+0x205/0x3b0 [ 84.894649][ T5332] ? ext4_writepages+0x205/0x3b0 [ 84.897107][ T5332] ext4_writepages+0x241/0x3b0 [ 84.899296][ T5332] ? __pfx_ext4_writepages+0x10/0x10 [ 84.901647][ T5332] ? do_raw_spin_lock+0x12b/0x2f0 [ 84.903898][ T5332] ? __pfx_ext4_writepages+0x10/0x10 [ 84.906521][ T5332] do_writepages+0x338/0x560 [ 84.909006][ T5332] ? do_raw_spin_unlock+0x4d/0x210 [ 84.911380][ T5332] file_write_and_wait_range+0x36e/0x440 [ 84.913767][ T5332] ? __folio_put+0x1d0/0x590 [ 84.915903][ T5332] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 84.918820][ T5332] ? __folio_put+0x4b3/0x590 [ 84.921167][ T5332] ? __pfx_ext4_write_begin+0x10/0x10 [ 84.923641][ T5332] mmb_fsync_noflush+0x73/0x1d0 [ 84.925898][ T5332] ext4_sync_file+0x41a/0xd00 [ 84.927903][ T5332] ? __pfx_ext4_sync_file+0x10/0x10 [ 84.930237][ T5332] ? ext4_buffered_write_iter+0xd6/0x370 [ 84.933271][ T5332] ? sync_lazytime+0x5a/0x4c0 [ 84.935485][ T5332] ext4_buffered_write_iter+0x2c7/0x370 [ 84.937877][ T5332] ext4_file_write_iter+0x947/0x1c70 [ 84.939982][ T5332] ? trace_sched_set_need_resched_tp+0x3e/0x150 [ 84.942819][ T5332] ? __lock_acquire+0x683/0x2cd0 [ 84.945340][ T5332] ? __pfx_aa_file_perm+0x10/0x10 [ 84.947825][ T5332] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 84.950178][ T5332] ? preempt_schedule_thunk+0x16/0x30 [ 84.952410][ T5332] do_iter_readv_writev+0x612/0x8c0 [ 84.954643][ T5332] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 84.957168][ T5332] vfs_writev+0x343/0x990 [ 84.959199][ T5332] ? __pfx_vfs_writev+0x10/0x10 [ 84.961325][ T5332] ? __fget_files+0x2a/0x420 [ 84.963244][ T5332] ? __fget_files+0x3a2/0x420 [ 84.965222][ T5332] ? __fget_files+0x2a/0x420 [ 84.967318][ T5332] __se_sys_pwritev2+0x177/0x2a0 [ 84.969640][ T5332] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 84.972162][ T5332] ? __x64_sys_pwritev2+0x20/0xc0 [ 84.974305][ T5332] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.976888][ T5332] do_syscall_64+0x174/0x580 [ 84.979022][ T5332] ? trace_irq_disable+0x3b/0x140 [ 84.981573][ T5332] ? clear_bhb_loop+0x40/0x90 [ 84.983765][ T5332] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.986236][ T5332] RIP: 0033:0x7f60b919ce59 [ 84.988016][ T5332] 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 [ 84.996624][ T5332] RSP: 002b:00007f60b9fb2fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 84.999973][ T5332] RAX: ffffffffffffffda RBX: 00007f60b9415fa0 RCX: 00007f60b919ce59 [ 85.003180][ T5332] RDX: 0000000000000001 RSI: 0000200000000cc0 RDI: 0000000000000006 [ 85.006941][ T5332] RBP: 00007f60b9232d6f R08: 000000000000000c R09: 0000000000000004 [ 85.010763][ T5332] R10: 0000000000000fff R11: 0000000000000246 R12: 0000000000000000 [ 85.013968][ T5332] R13: 00007f60b9416038 R14: 00007f60b9415fa0 R15: 00007ffc80923c38 [ 85.017374][ T5332] [ 85.018932][ T5332] Modules linked in: [ 85.021904][ T5332] ---[ end trace 0000000000000000 ]--- [ 85.024174][ T5332] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 85.027257][ T5332] Code: e8 16 44 a4 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 f2 73 37 ff 90 0f 0b e8 ea 73 37 ff 90 0f 0b e8 e2 73 37 ff 90 <0f> 0b e8 da 73 37 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 85.036454][ T5332] RSP: 0018:ffffc9000def66a0 EFLAGS: 00010287 [ 85.039250][ T5332] RAX: ffffffff828df2ee RBX: 00000000ffffffc6 RCX: 0000000000100000 [ 85.043030][ T5332] RDX: ffffc9000f012000 RSI: 0000000000011ef2 RDI: 0000000000011ef3 [ 85.046605][ T5332] RBP: 1ffff11008f134b5 R08: ffff88804789eefb R09: 1ffff11008f13ddf [ 85.049946][ T5332] R10: dffffc0000000000 R11: ffffed1008f13de0 R12: 0000000000000000 [ 85.053788][ T5332] R13: 0000000000000058 R14: 1ffff11008f13de2 R15: ffff88804789ef10 [ 85.057460][ T5332] FS: 00007f60b9fb36c0(0000) GS:ffff88808c8a6000(0000) knlGS:0000000000000000 [ 85.061138][ T5332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.064111][ T5332] CR2: 000055d1e96dd168 CR3: 000000000e492000 CR4: 0000000000352ef0 [ 85.068152][ T5332] Kernel panic - not syncing: Fatal exception [ 85.071127][ T5332] Kernel Offset: disabled [ 85.072974][ T5332] Rebooting in 86400 seconds..