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) 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) [ 102.490378][ T5297] Bluetooth: hci0: command tx timeout [ 102.564661][ T5333] loop0: detected capacity change from 0 to 512 [ 102.608056][ T5333] EXT4-fs (loop0): invalid journal inode [ 102.616113][ T5333] EXT4-fs (loop0): can't get journal size [ 102.643150][ T5333] EXT4-fs (loop0): 1 truncate cleaned up [ 102.656190][ T5333] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 102.709951][ T5333] loop0: detected capacity change from 512 to 64 [ 102.759515][ T180] kworker/u4:6: attempt to access beyond end of device [ 102.759515][ T180] loop0: rw=1, sector=72, nr_sectors = 2 limit=64 [ 102.768800][ T5333] syz.0.0: attempt to access beyond end of device [ 102.768800][ T5333] loop0: rw=2049, sector=80, nr_sectors = 16 limit=64 [ 102.774988][ T5333] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 40) [ 102.790932][ T180] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 36) [ 102.805970][ T180] Buffer I/O error on device loop0, logical block 36 [ 102.812673][ T5333] Buffer I/O error on device loop0, logical block 40 [ 102.816266][ T5333] Buffer I/O error on device loop0, logical block 41 [ 102.819331][ T5333] Buffer I/O error on device loop0, logical block 42 [ 102.822288][ T5333] Buffer I/O error on device loop0, logical block 43 [ 102.830390][ T180] kworker/u4:6: attempt to access beyond end of device [ 102.830390][ T180] loop0: rw=1, sector=78, nr_sectors = 2 limit=64 [ 102.851124][ T180] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 39) [ 102.865822][ T180] Buffer I/O error on device loop0, logical block 39 [ 102.879800][ T180] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm kworker/u4:6: corrupted inode contents [ 102.888222][ T5333] Buffer I/O error on device loop0, logical block 44 [ 102.891089][ T5333] Buffer I/O error on device loop0, logical block 45 [ 102.893867][ T5333] Buffer I/O error on device loop0, logical block 46 [ 102.896697][ T5333] Buffer I/O error on device loop0, logical block 47 [ 102.919630][ T180] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm kworker/u4:6: mark_inode_dirty error [ 102.937807][ T180] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm kworker/u4:6: corrupted inode contents [ 102.961832][ T180] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm kworker/u4:6: mark_inode_dirty error [ 103.058321][ T5333] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm syz.0.0: corrupted inode contents [ 103.064710][ T5333] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm syz.0.0: mark_inode_dirty error [ 103.074409][ T5333] ------------[ cut here ]------------ [ 103.077156][ T5333] kernel BUG at fs/ext4/mballoc.c:4780! [ 103.079980][ T5333] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 103.082582][ T5333] CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 103.086454][ T5333] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 103.090782][ T5333] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 103.093307][ T5333] 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 [ 103.100902][ T5333] RSP: 0018:ffffc9000c30e648 EFLAGS: 00010287 [ 103.103335][ T5333] RAX: ffffffff828e1ed0 RBX: 00000000ffffffc6 RCX: 0000000000100000 [ 103.106496][ T5333] RDX: ffffc90020001000 RSI: 000000000000d8fb RDI: 000000000000d8fc [ 103.109879][ T5333] RBP: 1ffff11008d58cb5 R08: ffff888046acaefb R09: 1ffff11008d595df [ 103.113234][ T5333] R10: dffffc0000000000 R11: ffffed1008d595e0 R12: 0000000000000000 [ 103.116720][ T5333] R13: 0000000000000058 R14: 1ffff11008d595e2 R15: ffff888046acaf10 [ 103.120086][ T5333] FS: 00007fb56c5ff6c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000 [ 103.123868][ T5333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 103.126565][ T5333] CR2: 00007f903aea9a3c CR3: 00000000440c3000 CR4: 0000000000352ef0 [ 103.130009][ T5333] Call Trace: [ 103.131479][ T5333] [ 103.132774][ T5333] ext4_mb_use_preallocated+0x660/0x13f0 [ 103.135241][ T5333] ext4_mb_new_blocks+0x5e2/0x46c0 [ 103.137469][ T5333] ? do_raw_spin_unlock+0x4d/0x210 [ 103.139645][ T5333] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 103.142095][ T5333] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 103.144510][ T5333] ? ext4_block_to_path+0x297/0x6f0 [ 103.146667][ T5333] ext4_ind_map_blocks+0xe96/0x2260 [ 103.148757][ T5333] ? __lock_acquire+0x6b5/0x2cf0 [ 103.150770][ T5333] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 103.153028][ T5333] ? stack_depot_save_flags+0x33/0x810 [ 103.156741][ T5333] ? __kasan_slab_alloc+0x6c/0x80 [ 103.158748][ T5333] ? ext4_inode_journal_mode+0x193/0x470 [ 103.161143][ T5333] ? ext4_map_blocks+0x7b5/0x11d0 [ 103.163341][ T5333] ext4_map_create_blocks+0xc1/0x540 [ 103.165655][ T5333] ext4_map_blocks+0x7cd/0x11d0 [ 103.167766][ T5333] ? __pfx_ext4_map_blocks+0x10/0x10 [ 103.170082][ T5333] ? __ext4_journal_ensure_credits+0x30/0x450 [ 103.172610][ T5333] ext4_do_writepages+0x18f3/0x4670 [ 103.174645][ T5333] ? __lock_acquire+0x6b5/0x2cf0 [ 103.176441][ T5333] ? __lock_acquire+0x6b5/0x2cf0 [ 103.178264][ T5333] ? __pfx_ext4_do_writepages+0x10/0x10 [ 103.180253][ T5333] ? __lock_acquire+0x6b5/0x2cf0 [ 103.182063][ T5333] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 103.184298][ T5333] ? debug_object_free+0x2d7/0x490 [ 103.186299][ T5333] ? ext4_writepages+0x205/0x3b0 [ 103.188330][ T5333] ? ext4_writepages+0x205/0x3b0 [ 103.190343][ T5333] ext4_writepages+0x241/0x3b0 [ 103.192352][ T5333] ? __pfx_ext4_writepages+0x10/0x10 [ 103.194492][ T5333] ? do_raw_spin_lock+0x12b/0x2f0 [ 103.196544][ T5333] ? __pfx_ext4_writepages+0x10/0x10 [ 103.198642][ T5333] do_writepages+0x32e/0x550 [ 103.200523][ T5333] ? do_raw_spin_unlock+0x4d/0x210 [ 103.202729][ T5333] file_write_and_wait_range+0x36e/0x440 [ 103.205081][ T5333] ? __free_frozen_pages+0x762/0xd30 [ 103.207259][ T5333] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 103.209748][ T5333] mmb_fsync_noflush+0x76/0x1c0 [ 103.211726][ T5333] ext4_sync_file+0x437/0xd50 [ 103.213573][ T5333] ? __pfx_ext4_sync_file+0x10/0x10 [ 103.215672][ T5333] ? ext4_buffered_write_iter+0xd9/0x3a0 [ 103.217840][ T5333] ? sync_lazytime+0x5e/0x4c0 [ 103.219693][ T5333] ext4_buffered_write_iter+0x2ca/0x3a0 [ 103.221887][ T5333] ext4_file_write_iter+0x298/0x1bf0 [ 103.223933][ T5333] ? __lock_acquire+0x6b5/0x2cf0 [ 103.225889][ T5333] ? __pfx_aa_file_perm+0x10/0x10 [ 103.227904][ T5333] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 103.230231][ T5333] ? preempt_schedule_thunk+0x16/0x30 [ 103.232464][ T5333] do_iter_readv_writev+0x619/0x8c0 [ 103.234654][ T5333] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 103.236971][ T5333] vfs_writev+0x33c/0x990 [ 103.238715][ T5333] ? __pfx_vfs_writev+0x10/0x10 [ 103.240790][ T5333] ? __fget_files+0x2a/0x420 [ 103.242686][ T5333] ? __fget_files+0x3a0/0x420 [ 103.244526][ T5333] ? __fget_files+0x2a/0x420 [ 103.246449][ T5333] __se_sys_pwritev2+0x184/0x2a0 [ 103.248500][ T5333] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 103.250747][ T5333] ? __x64_sys_pwritev2+0x20/0xc0 [ 103.252784][ T5333] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.255309][ T5333] do_syscall_64+0x174/0x580 [ 103.257196][ T5333] ? trace_irq_disable+0x3b/0x140 [ 103.259288][ T5333] ? clear_bhb_loop+0x40/0x90 [ 103.261216][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.263589][ T5333] RIP: 0033:0x7fb56b79ce59 [ 103.265351][ T5333] 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 [ 103.273318][ T5333] RSP: 002b:00007fb56c5fefe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 103.276714][ T5333] RAX: ffffffffffffffda RBX: 00007fb56ba15fa0 RCX: 00007fb56b79ce59 [ 103.280044][ T5333] RDX: 0000000000000001 RSI: 0000200000000cc0 RDI: 0000000000000006 [ 103.283295][ T5333] RBP: 00007fb56b832d6f R08: 000000000000000c R09: 0000000000000004 [ 103.286481][ T5333] R10: 0000000000000fff R11: 0000000000000246 R12: 0000000000000000 [ 103.289590][ T5333] R13: 00007fb56ba16038 R14: 00007fb56ba15fa0 R15: 00007ffd80590a68 [ 103.292641][ T5333] [ 103.293914][ T5333] Modules linked in: [ 103.296118][ T5333] ---[ end trace 0000000000000000 ]--- [ 103.298649][ T5333] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 103.301148][ T5333] 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 [ 103.309071][ T5333] RSP: 0018:ffffc9000c30e648 EFLAGS: 00010287 [ 103.311527][ T5333] RAX: ffffffff828e1ed0 RBX: 00000000ffffffc6 RCX: 0000000000100000 [ 103.314561][ T5333] RDX: ffffc90020001000 RSI: 000000000000d8fb RDI: 000000000000d8fc [ 103.317806][ T5333] RBP: 1ffff11008d58cb5 R08: ffff888046acaefb R09: 1ffff11008d595df [ 103.321088][ T5333] R10: dffffc0000000000 R11: ffffed1008d595e0 R12: 0000000000000000 [ 103.324310][ T5333] R13: 0000000000000058 R14: 1ffff11008d595e2 R15: ffff888046acaf10 [ 103.327597][ T5333] FS: 00007fb56c5ff6c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000 [ 103.331073][ T5333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 103.333705][ T5333] CR2: 00007f903aea9a3c CR3: 00000000440c3000 CR4: 0000000000352ef0 [ 103.337050][ T5333] Kernel panic - not syncing: Fatal exception [ 103.339843][ T5333] Kernel Offset: disabled [ 103.341563][ T5333] Rebooting in 86400 seconds..