program: socket$nl_xfrm(0x10, 0x3, 0x6) bpf$MAP_CREATE(0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='\'\x00\x00\x00\a\x00', @ANYRES16], 0x50) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000040), 0x6) r1 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$sock_bt_hci(r1, 0x400448cb, 0x0) syz_emit_vhci(&(0x7f0000000140)=@HCI_EVENT_PKT={0x4, @hci_ev_cmd_status={{0xf, 0x4}, {0x1, 0x0, 0x428}}}, 0x7) ioctl$sock_bt_hci(r0, 0x400448e6, &(0x7f0000001780)="fc") syz_mount_image$ext4(&(0x7f00000003c0)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x10, &(0x7f0000000140)={[{@norecovery}]}, 0xed, 0x474, &(0x7f0000000b80)="$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") open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) timer_create(0xfffffffd, 0x0, &(0x7f00000011c0)) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f00000003c0)='./bus\x00', 0x0, 0x5000, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x8000, 0xa0) ioctl$LOOP_SET_STATUS64(r2, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]}) r3 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101842, 0x11) pwritev2(r3, &(0x7f0000000cc0)=[{&(0x7f0000000240)=';', 0xffffffbc}], 0x1, 0xfff, 0xc, 0x4) [ 84.473234][ T5296] Bluetooth: hci0: unexpected event for opcode 0x0428 [ 84.504505][ T5339] loop0: detected capacity change from 0 to 512 [ 84.554132][ T5339] EXT4-fs (loop0): invalid journal inode [ 84.566048][ T5339] EXT4-fs (loop0): can't get journal size [ 84.612107][ T5339] EXT4-fs (loop0): 1 truncate cleaned up [ 84.638791][ T5339] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 84.726786][ T5339] loop0: detected capacity change from 512 to 64 [ 84.777660][ T13] kworker/u4:1: attempt to access beyond end of device [ 84.777660][ T13] loop0: rw=1, sector=72, nr_sectors = 2 limit=64 [ 84.791724][ T5339] syz.0.0: attempt to access beyond end of device [ 84.791724][ T5339] loop0: rw=2049, sector=80, nr_sectors = 16 limit=64 [ 84.811290][ T13] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 36) [ 84.831767][ T5339] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 40) [ 84.838752][ T13] Buffer I/O error on device loop0, logical block 36 [ 84.852158][ T13] kworker/u4:1: attempt to access beyond end of device [ 84.852158][ T13] loop0: rw=1, sector=78, nr_sectors = 2 limit=64 [ 84.859040][ T5339] Buffer I/O error on device loop0, logical block 40 [ 84.862242][ T5339] Buffer I/O error on device loop0, logical block 41 [ 84.865689][ T5339] Buffer I/O error on device loop0, logical block 42 [ 84.868497][ T5339] Buffer I/O error on device loop0, logical block 43 [ 84.884465][ T13] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 39) [ 84.897051][ T13] Buffer I/O error on device loop0, logical block 39 [ 84.900289][ T5339] Buffer I/O error on device loop0, logical block 44 [ 84.903210][ T5339] Buffer I/O error on device loop0, logical block 45 [ 84.906147][ T5339] Buffer I/O error on device loop0, logical block 46 [ 84.908970][ T5339] Buffer I/O error on device loop0, logical block 47 [ 84.913898][ T13] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm kworker/u4:1: corrupted inode contents [ 84.922284][ T13] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm kworker/u4:1: mark_inode_dirty error [ 84.929635][ T13] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm kworker/u4:1: corrupted inode contents [ 84.936615][ T13] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm kworker/u4:1: mark_inode_dirty error [ 85.033911][ T5339] EXT4-fs error (device loop0): ext4_do_update_inode:5690: inode #15: comm syz.0.0: corrupted inode contents [ 85.040827][ T5339] EXT4-fs error (device loop0): ext4_dirty_inode:6587: inode #15: comm syz.0.0: mark_inode_dirty error [ 85.049093][ T5339] ------------[ cut here ]------------ [ 85.052080][ T5339] kernel BUG at fs/ext4/mballoc.c:4780! [ 85.054662][ T5339] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 85.057312][ T5339] CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.061053][ T5339] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.066024][ T5339] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 85.068669][ T5339] Code: e8 44 91 a4 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 d0 aa 37 ff 90 0f 0b e8 c8 aa 37 ff 90 0f 0b e8 c0 aa 37 ff 90 <0f> 0b e8 b8 aa 37 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 85.076408][ T5339] RSP: 0018:ffffc9000399e648 EFLAGS: 00010287 [ 85.078864][ T5339] RAX: ffffffff828e1b50 RBX: 00000000ffffffc6 RCX: 0000000000100000 [ 85.082067][ T5339] RDX: ffffc90020802000 RSI: 000000000000d340 RDI: 000000000000d341 [ 85.085228][ T5339] RBP: 1ffff11008dca8b5 R08: ffff888046e58efb R09: 1ffff11008dcb1df [ 85.088428][ T5339] R10: dffffc0000000000 R11: ffffed1008dcb1e0 R12: 0000000000000000 [ 85.091728][ T5339] R13: 0000000000000058 R14: 1ffff11008dcb1e2 R15: ffff888046e58f10 [ 85.094961][ T5339] FS: 00007f02dcc2c6c0(0000) GS:ffff88808c891000(0000) knlGS:0000000000000000 [ 85.098608][ T5339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.101338][ T5339] CR2: 0000563b8aa87370 CR3: 00000000129fd000 CR4: 0000000000352ef0 [ 85.104583][ T5339] Call Trace: [ 85.105951][ T5339] [ 85.107164][ T5339] ext4_mb_use_preallocated+0x660/0x13f0 [ 85.109459][ T5339] ext4_mb_new_blocks+0x5e2/0x46c0 [ 85.111616][ T5339] ? do_raw_spin_unlock+0x4d/0x210 [ 85.113724][ T5339] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 85.116125][ T5339] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 85.118466][ T5339] ? ext4_block_to_path+0x297/0x6f0 [ 85.120656][ T5339] ext4_ind_map_blocks+0xe96/0x2260 [ 85.122855][ T5339] ? __lock_acquire+0x6b5/0x2cf0 [ 85.124870][ T5339] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 85.127178][ T5339] ? stack_depot_save_flags+0x33/0x810 [ 85.129474][ T5339] ? __kasan_slab_alloc+0x6c/0x80 [ 85.131588][ T5339] ? ext4_inode_journal_mode+0x193/0x470 [ 85.133849][ T5339] ? ext4_map_blocks+0x7b5/0x11d0 [ 85.135752][ T5339] ext4_map_create_blocks+0xc1/0x540 [ 85.137944][ T5339] ext4_map_blocks+0x7cd/0x11d0 [ 85.139982][ T5339] ? __pfx_ext4_map_blocks+0x10/0x10 [ 85.142144][ T5339] ? __ext4_journal_ensure_credits+0x30/0x450 [ 85.144545][ T5339] ext4_do_writepages+0x18f3/0x4670 [ 85.146804][ T5339] ? __lock_acquire+0x6b5/0x2cf0 [ 85.148659][ T5339] ? __lock_acquire+0x6b5/0x2cf0 [ 85.150532][ T5339] ? __pfx_ext4_do_writepages+0x10/0x10 [ 85.152734][ T5339] ? __lock_acquire+0x6b5/0x2cf0 [ 85.154675][ T5339] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 85.157204][ T5339] ? debug_object_free+0x2d7/0x490 [ 85.159298][ T5339] ? ext4_writepages+0x205/0x3b0 [ 85.161332][ T5339] ? ext4_writepages+0x205/0x3b0 [ 85.163347][ T5339] ext4_writepages+0x241/0x3b0 [ 85.165317][ T5339] ? __pfx_ext4_writepages+0x10/0x10 [ 85.167315][ T5339] ? do_raw_spin_lock+0x12b/0x2f0 [ 85.169181][ T5339] ? __pfx_ext4_writepages+0x10/0x10 [ 85.171313][ T5339] do_writepages+0x32e/0x550 [ 85.173174][ T5339] ? do_raw_spin_unlock+0x4d/0x210 [ 85.175151][ T5339] file_write_and_wait_range+0x36e/0x440 [ 85.177223][ T5339] ? __free_frozen_pages+0x762/0xd30 [ 85.179166][ T5339] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 85.181450][ T5339] mmb_fsync_noflush+0x76/0x1c0 [ 85.183333][ T5339] ext4_sync_file+0x437/0xd50 [ 85.185237][ T5339] ? __pfx_ext4_sync_file+0x10/0x10 [ 85.187340][ T5339] ? ext4_buffered_write_iter+0xd9/0x3a0 [ 85.189510][ T5339] ? sync_lazytime+0x5e/0x4c0 [ 85.191528][ T5339] ext4_buffered_write_iter+0x2ca/0x3a0 [ 85.193779][ T5339] ext4_file_write_iter+0x298/0x1bf0 [ 85.195982][ T5339] ? __lock_acquire+0x6b5/0x2cf0 [ 85.198117][ T5339] ? __pfx_aa_file_perm+0x10/0x10 [ 85.200023][ T5339] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 85.202159][ T5339] ? preempt_schedule_thunk+0x16/0x30 [ 85.204309][ T5339] do_iter_readv_writev+0x619/0x8c0 [ 85.206482][ T5339] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 85.208865][ T5339] vfs_writev+0x33c/0x990 [ 85.210636][ T5339] ? __pfx_vfs_writev+0x10/0x10 [ 85.212629][ T5339] ? __fget_files+0x2a/0x420 [ 85.214511][ T5339] ? __fget_files+0x3a0/0x420 [ 85.216485][ T5339] ? __fget_files+0x2a/0x420 [ 85.218381][ T5339] __se_sys_pwritev2+0x184/0x2a0 [ 85.220338][ T5339] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 85.222569][ T5339] ? __x64_sys_pwritev2+0x20/0xc0 [ 85.224584][ T5339] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.226915][ T5339] do_syscall_64+0x174/0x580 [ 85.228696][ T5339] ? clear_bhb_loop+0x40/0x90 [ 85.230527][ T5339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.232842][ T5339] RIP: 0033:0x7f02dbd9ce59 [ 85.234731][ T5339] 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 [ 85.242813][ T5339] RSP: 002b:00007f02dcc2bfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 85.246373][ T5339] RAX: ffffffffffffffda RBX: 00007f02dc016090 RCX: 00007f02dbd9ce59 [ 85.249706][ T5339] RDX: 0000000000000001 RSI: 0000200000000cc0 RDI: 0000000000000009 [ 85.253075][ T5339] RBP: 00007f02dbe32d6f R08: 000000000000000c R09: 0000000000000004 [ 85.256415][ T5339] R10: 0000000000000fff R11: 0000000000000246 R12: 0000000000000000 [ 85.259609][ T5339] R13: 00007f02dc016128 R14: 00007f02dc016090 R15: 00007ffea0a3ad88 [ 85.262795][ T5339] [ 85.264116][ T5339] Modules linked in: [ 85.266159][ T5339] ---[ end trace 0000000000000000 ]--- [ 85.268737][ T5339] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 85.271324][ T5339] Code: e8 44 91 a4 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 d0 aa 37 ff 90 0f 0b e8 c8 aa 37 ff 90 0f 0b e8 c0 aa 37 ff 90 <0f> 0b e8 b8 aa 37 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 85.279030][ T5339] RSP: 0018:ffffc9000399e648 EFLAGS: 00010287 [ 85.281451][ T5339] RAX: ffffffff828e1b50 RBX: 00000000ffffffc6 RCX: 0000000000100000 [ 85.284848][ T5339] RDX: ffffc90020802000 RSI: 000000000000d340 RDI: 000000000000d341 [ 85.288212][ T5339] RBP: 1ffff11008dca8b5 R08: ffff888046e58efb R09: 1ffff11008dcb1df [ 85.291476][ T5339] R10: dffffc0000000000 R11: ffffed1008dcb1e0 R12: 0000000000000000 [ 85.294669][ T5339] R13: 0000000000000058 R14: 1ffff11008dcb1e2 R15: ffff888046e58f10 [ 85.297768][ T5339] FS: 00007f02dcc2c6c0(0000) GS:ffff88808c891000(0000) knlGS:0000000000000000 [ 85.301226][ T5339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.303963][ T5339] CR2: 0000563b8aa87370 CR3: 00000000129fd000 CR4: 0000000000352ef0 [ 85.307114][ T5339] Kernel panic - not syncing: Fatal exception [ 85.309864][ T5339] Kernel Offset: disabled [ 85.311571][ T5339] Rebooting in 86400 seconds..