program: syz_mount_image$ext4(&(0x7f00000003c0)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x10, &(0x7f0000000140)={[{@norecovery}]}, 0xed, 0x474, &(0x7f0000000b80)="$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") socket$inet6_tcp(0xa, 0x1, 0x0) r0 = syz_open_dev$sndpcmp(&(0x7f0000000100), 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_UNLINK(r0, 0x40044160, 0x3) open(&(0x7f0000000040)='./bus\x00', 0x400141042, 0x2a) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x5000, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x8000, 0xa0) ioctl$LOOP_SET_STATUS64(r1, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]}) r2 = openat(0xffffffffffffff9c, &(0x7f0000006540)='./file2\x00', 0x101042, 0x15) ioctl$VHOST_VSOCK_SET_GUEST_CID(r1, 0x4008af60, &(0x7f0000000080)) write$uinput_user_dev(0xffffffffffffffff, &(0x7f0000000640)={'syz0\x00', {0x7, 0x4, 0x6, 0xfffa}, 0x1d, [0x6, 0xc95a, 0xfffffff3, 0x9, 0x80, 0x2, 0x1, 0x7f, 0x6, 0x4d, 0xfffffff2, 0x5f, 0xa, 0x3, 0xffff2d37, 0x1dd2, 0x6, 0x7, 0x0, 0x80000001, 0x4, 0x7, 0x3, 0x3c5b, 0x1, 0x24, 0xffffffff, 0x1, 0x1f461e2c, 0x2, 0xe661, 0x4, 0x7, 0x3, 0x7fff, 0x4c74, 0x8f00, 0x642, 0x3, 0xa, 0x0, 0x71, 0x7, 0x7, 0x103, 0x0, 0x5, 0x3c, 0x8f, 0x6, 0x6, 0x3, 0x5, 0x4, 0x8, 0x0, 0x80, 0x0, 0x5, 0x6, 0x8, 0x4, 0x1, 0x40], [0x10000007, 0xffff, 0x12f, 0x8000, 0x10, 0xfffffff3, 0x129432e6, 0xcb, 0xf9, 0xd, 0x2bf, 0x6c9, 0x9, 0xfffffffc, 0x3, 0x0, 0x7, 0x5, 0x2f, 0xe, 0x312, 0x78, 0xea4, 0xa, 0x4, 0x4, 0x8000, 0x9, 0x400, 0x1, 0x6, 0x1, 0xff, 0x1005, 0x7ff, 0x5f31, 0x4, 0x0, 0x6, 0x2, 0x9, 0x4, 0x9, 0x8, 0x9, 0x6, 0x5, 0x0, 0x1, 0x8000, 0xffff, 0x2, 0x7f, 0x9, 0x5, 0x3, 0x4, 0x1, 0x7, 0x6, 0x9, 0x48c93690, 0x2, 0xff], [0x7, 0x4, 0x0, 0x64e, 0xfffffdfe, 0x7fffffff, 0x8d2, 0x9, 0x5, 0x7fff, 0x0, 0x5, 0xb, 0x4, 0x5, 0x5, 0x0, 0x1ef, 0x5, 0x8, 0x86, 0x3, 0x10000009, 0x3e7, 0x2, 0x5, 0x2, 0x2, 0xf, 0x8, 0x4, 0x6d01, 0x5, 0x3b, 0x3, 0x200, 0x80, 0x3, 0x4, 0x2950bfaf, 0x0, 0xa2, 0x7, 0x53cf697b, 0x5, 0x6, 0x54fe12d2, 0xbf, 0xb, 0x3, 0x400000, 0xfffffff9, 0x0, 0x1, 0x5, 0x0, 0x6, 0x0, 0x120000, 0x3, 0x6, 0x9, 0x4, 0x3], [0x9, 0xbb31, 0x3, 0xb, 0x5, 0x938, 0x6, 0x6, 0x0, 0x5, 0xce7, 0x1ff, 0x6, 0x7, 0x5, 0x3, 0x101, 0x10000, 0x6, 0x7fff, 0xffff, 0xa620, 0x2, 0x5, 0x1, 0x2, 0x14c, 0x60a7, 0x6, 0x6, 0xffffffff, 0x80000000, 0x5, 0x8, 0xc8, 0x3, 0x3, 0xffff, 0x3, 0x9, 0x100, 0x9602, 0xa, 0x2, 0x4, 0x6, 0x1, 0x10000, 0x5, 0x8, 0x2b91, 0xa1f, 0x8, 0x9, 0x1, 0x6c1b, 0x0, 0x4, 0x5, 0xb1c, 0x1, 0x200, 0xffff3441, 0xfff]}, 0x45c) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000ac0)='memory.events\x00', 0x275a, 0x0) ioctl$SG_GET_NUM_WAITING(r3, 0x227d, &(0x7f00000000c0)) write$binfmt_script(r3, &(0x7f0000000b00), 0xfecc) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x12, r3, 0x0) futimesat(0xffffffffffffffff, 0x0, &(0x7f0000000b40)) pwrite64(r2, &(0x7f0000006580)='2', 0xfdef, 0xe7c) [ 129.075954][ T4647] Bluetooth: hci0: command tx timeout [ 129.117498][ T5323] loop0: detected capacity change from 0 to 512 [ 129.180783][ T5323] EXT4-fs (loop0): invalid journal inode [ 129.180913][ T5323] EXT4-fs (loop0): can't get journal size [ 129.281102][ T5323] EXT4-fs (loop0): 1 truncate cleaned up [ 129.283098][ T5323] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 129.310210][ T5323] loop0: detected capacity change from 512 to 64 [ 129.334397][ T5323] syz.0.0: attempt to access beyond end of device [ 129.334397][ T5323] loop0: rw=8912896, sector=54, nr_sectors = 18 limit=64 [ 129.335834][ T5323] syz.0.0: attempt to access beyond end of device [ 129.335834][ T5323] loop0: rw=8388608, sector=62, nr_sectors = 8 limit=64 [ 129.355955][ T25] audit: type=1800 audit(1791952361.920:2): pid=5323 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz.0.0" name="file2" dev="loop0" ino=16 res=0 errno=0 [ 129.373176][ T5323] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm syz.0.0: corrupted inode contents [ 129.390470][ T5323] EXT4-fs error (device loop0): ext4_dirty_inode:6736: inode #19: comm syz.0.0: mark_inode_dirty error [ 129.391382][ T5323] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm syz.0.0: corrupted inode contents [ 129.391842][ T5323] EXT4-fs error (device loop0): ext4_dirty_inode:6736: inode #19: comm syz.0.0: mark_inode_dirty error [ 129.394600][ T5323] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm syz.0.0: corrupted inode contents [ 129.396882][ T5323] EXT4-fs error (device loop0): mpage_map_and_submit_extent:2537: inode #19: comm syz.0.0: mark_inode_dirty error [ 129.397141][ T5323] EXT4-fs error (device loop0): mpage_map_and_submit_extent:2541: comm syz.0.0: Failed to mark inode 19 dirty [ 129.432711][ T5324] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm syz.0.0: corrupted inode contents [ 129.435348][ T5324] EXT4-fs error (device loop0): ext4_dirty_inode:6736: inode #19: comm syz.0.0: mark_inode_dirty error [ 129.451637][ T5323] syz.0.0: attempt to access beyond end of device [ 129.451637][ T5323] loop0: rw=2049, sector=258, nr_sectors = 24 limit=64 [ 129.451662][ T5323] EXT4-fs warning (device loop0): ext4_end_bio:364: I/O error 10 writing to inode 19 starting block 129) [ 129.451814][ T5323] Buffer I/O error on device loop0, logical block 129 [ 129.451825][ T5323] Buffer I/O error on device loop0, logical block 130 [ 129.451832][ T5323] Buffer I/O error on device loop0, logical block 131 [ 129.451838][ T5323] Buffer I/O error on device loop0, logical block 132 [ 129.451846][ T5323] Buffer I/O error on device loop0, logical block 133 [ 129.451852][ T5323] Buffer I/O error on device loop0, logical block 134 [ 129.451859][ T5323] Buffer I/O error on device loop0, logical block 135 [ 129.451865][ T5323] Buffer I/O error on device loop0, logical block 136 [ 129.451872][ T5323] Buffer I/O error on device loop0, logical block 137 [ 129.451877][ T5323] Buffer I/O error on device loop0, logical block 138 [ 129.505494][ T5324] syz.0.0: attempt to access beyond end of device [ 129.505494][ T5324] loop0: rw=2049, sector=60, nr_sectors = 18 limit=64 [ 129.505528][ T5324] EXT4-fs warning (device loop0): ext4_end_bio:364: I/O error 10 writing to inode 16 starting block 30) [ 129.560422][ T5323] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm syz.0.0: corrupted inode contents [ 129.562597][ T5323] ------------[ cut here ]------------ [ 129.562606][ T5323] kernel BUG at fs/ext4/mballoc.c:4781! [ 129.566994][ T5323] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 129.579286][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 129.582960][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 129.587274][ T5323] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 129.590030][ T5323] Code: e8 06 86 a1 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 f2 06 2f ff 90 0f 0b e8 ea 06 2f ff 90 0f 0b e8 e2 06 2f ff 90 <0f> 0b e8 da 06 2f ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 129.598021][ T5323] RSP: 0018:ffffc9000e216aa0 EFLAGS: 00010283 [ 129.600766][ T5323] RAX: ffffffff82991a9e RBX: 00000000ffffffec RCX: 0000000000100000 [ 129.604027][ T5323] RDX: ffffc9000edca000 RSI: 000000000000a629 RDI: 000000000000a62a [ 129.607214][ T5323] RBP: 1ffff110089e5e98 R08: ffff888044f33efb R09: 1ffff110089e67df [ 129.610580][ T5323] R10: dffffc0000000000 R11: ffffed10089e67e0 R12: 0000000000000000 [ 129.614005][ T5323] R13: 0000000000000034 R14: 1ffff110089e67e2 R15: ffff888044f33f10 [ 129.617376][ T5323] FS: 00007f17a93ea6c0(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000 [ 129.621274][ T5323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 129.624155][ T5323] CR2: 0000200000000b40 CR3: 000000000bf23000 CR4: 0000000000352ef0 [ 129.627761][ T5323] Call Trace: [ 129.629307][ T5323] [ 129.630622][ T5323] ext4_mb_use_preallocated+0x638/0x13e0 [ 129.633324][ T5323] ext4_mb_new_blocks+0x5a0/0x4530 [ 129.635520][ T5323] ? rcu_is_watching+0x16/0xb0 [ 129.637749][ T5323] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 129.640284][ T5323] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 129.642662][ T5323] ? ext4_block_to_path+0x382/0x700 [ 129.644959][ T5323] ext4_ind_map_blocks+0xe96/0x22a0 [ 129.647031][ T5323] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 129.649360][ T5323] ? kasan_save_track+0x4f/0x80 [ 129.651498][ T5323] ? __kasan_slab_alloc+0x6c/0x80 [ 129.653633][ T5323] ? down_write+0x16b/0x200 [ 129.655742][ T5323] ext4_map_create_blocks+0xbb/0x530 [ 129.657941][ T5323] ? ext4_fc_track_inode+0xf3/0x3f0 [ 129.660229][ T5323] ext4_map_blocks+0x791/0x12c0 [ 129.662392][ T5323] ? ext4_alloc_io_end_vec+0x2b/0x160 [ 129.664727][ T5323] ? __pfx_ext4_map_blocks+0x10/0x10 [ 129.667140][ T5323] ? kmem_cache_alloc_noprof+0x156/0x600 [ 129.669598][ T5323] ext4_do_writepages+0x1901/0x4770 [ 129.671913][ T5323] ? __lock_acquire+0x747/0x2de0 [ 129.673966][ T5323] ? __pfx_ext4_do_writepages+0x10/0x10 [ 129.676050][ T5323] ? __lock_acquire+0x747/0x2de0 [ 129.678071][ T5323] ? ktime_get+0x45/0x220 [ 129.679969][ T5323] ? lock_acquire+0x115/0x350 [ 129.682106][ T5323] ext4_writepages+0x241/0x3b0 [ 129.684188][ T5323] ? __pfx_ext4_writepages+0x10/0x10 [ 129.686427][ T5323] ? irqentry_exit+0x218/0x920 [ 129.688594][ T5323] ? __pfx_ext4_writepages+0x10/0x10 [ 129.690928][ T5323] ? do_writepages+0x40b/0x560 [ 129.693089][ T5323] ? __pfx_ext4_writepages+0x10/0x10 [ 129.695399][ T5323] do_writepages+0x338/0x560 [ 129.697569][ T5323] ? do_raw_spin_unlock+0x4d/0x200 [ 129.699630][ T5323] file_write_and_wait_range+0x36e/0x440 [ 129.702091][ T5323] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 129.704714][ T5323] ext4_sync_file+0x252/0xa40 [ 129.706665][ T5323] ext4_buffered_write_iter+0x2d0/0x380 [ 129.709021][ T5323] ext4_file_write_iter+0xae4/0x1cd0 [ 129.711458][ T5323] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 129.713990][ T5323] vfs_write+0x612/0xba0 [ 129.715818][ T5323] ? __pfx_vfs_write+0x10/0x10 [ 129.717865][ T5323] ? __fget_files+0x2a/0x420 [ 129.719818][ T5323] ksys_write+0x150/0x270 [ 129.721646][ T5323] ? __pfx_ksys_write+0x10/0x10 [ 129.723695][ T5323] do_syscall_64+0x166/0x520 [ 129.725667][ T5323] ? trace_irq_disable+0x3b/0x140 [ 129.727746][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.730157][ T5323] ? clear_bhb_loop+0x70/0xc0 [ 129.731907][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.734146][ T5323] RIP: 0033:0x7f17a859e2d9 [ 129.735853][ T5323] 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 [ 129.743691][ T5323] RSP: 002b:00007f17a93e9fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 129.747259][ T5323] RAX: ffffffffffffffda RBX: 00007f17a8825fa0 RCX: 00007f17a859e2d9 [ 129.750726][ T5323] RDX: 000000000000fecc RSI: 0000200000000b00 RDI: 0000000000000009 [ 129.754152][ T5323] RBP: 00007f17a8635888 R08: 0000000000000000 R09: 0000000000000000 [ 129.757500][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 129.760932][ T5323] R13: 00007f17a8826038 R14: 00007f17a8825fa0 R15: 00007ffd02a734e8 [ 129.764251][ T5323] [ 129.765585][ T5323] Modules linked in: [ 129.768407][ T5323] ---[ end trace 0000000000000000 ]--- [ 129.771356][ T5323] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 129.771386][ T5323] Code: e8 06 86 a1 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 f2 06 2f ff 90 0f 0b e8 ea 06 2f ff 90 0f 0b e8 e2 06 2f ff 90 <0f> 0b e8 da 06 2f ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 129.771396][ T5323] RSP: 0018:ffffc9000e216aa0 EFLAGS: 00010283 [ 129.771409][ T5323] RAX: ffffffff82991a9e RBX: 00000000ffffffec RCX: 0000000000100000 [ 129.771419][ T5323] RDX: ffffc9000edca000 RSI: 000000000000a629 RDI: 000000000000a62a [ 129.771426][ T5323] RBP: 1ffff110089e5e98 R08: ffff888044f33efb R09: 1ffff110089e67df [ 129.771437][ T5323] R10: dffffc0000000000 R11: ffffed10089e67e0 R12: 0000000000000000 [ 129.771444][ T5323] R13: 0000000000000034 R14: 1ffff110089e67e2 R15: ffff888044f33f10 [ 129.771453][ T5323] FS: 00007f17a93ea6c0(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000 [ 129.771462][ T5323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 129.771477][ T5323] CR2: 0000200000000b40 CR3: 000000000bf23000 CR4: 0000000000352ef0 [ 129.771517][ T5323] Kernel panic - not syncing: Fatal exception [ 129.813300][ T5323] Kernel Offset: disabled [ 129.814983][ T5323] Rebooting in 86400 seconds..