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r0 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x0) ftruncate(r0, 0x2007ffc) r1 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x0) sendfile(r1, r1, 0x0, 0x800000009) r2 = open(&(0x7f0000000000)='./bus\x00', 0x60142, 0x0) r3 = open(&(0x7f0000000280)='./file1\x00', 0x185102, 0x0) syz_mount_image$udf(&(0x7f0000000000), &(0x7f00000000c0)='./file0\x00', 0x2000010, &(0x7f0000000f40)={[{@uid}, {@uid_forget}, {@utf8}, {@longad}, {}, {@shortad}, {@gid}, {@umask}, {@gid_ignore}, {@noadinicb}, {@dmode={'dmode', 0x3d, 0x9}}, {}, {@lastblock={'lastblock', 0x3d, 0x101}}, {@uid_ignore}, {@nostrict}], [{@hash}, {@subj_role={'subj_role', 0x3d, 'uid=ignore'}}, {@fowner_lt}, {@obj_role={'obj_role', 0x3d, 'h\x7fY%\x95\x82\xdc\x91\xf6\xa25?Z\x93\xfe\xc3a\xbf\x8d\xda!3\xe3\x82y\xef\xe6\x8b\x83\xbf&\xacj8Dd\x1cM)\xbd\xfcc\xc8L)|\v\xcf\xaf'}}]}, 0x1, 0xc43, 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pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/profiling', 0x22042, 0x0) write$binfmt_misc(r5, &(0x7f0000000000), 0xfffffecc) splice(r4, 0x0, r6, 0x0, 0xbfd1, 0x0) r7 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newlink={0x7c, 0x10, 0x1, 0x0, 0x0, {}, [@IFLA_PROMISCUITY={0x8, 0x1e, 0x1b5b}, @IFLA_AF_SPEC={0x54, 0x1a, 0x0, 0x1, [@AF_INET={0x50, 0x2, 0x0, 0x1, {0x4c, 0x1, 0x0, 0x1, [{0x8, 0x7, 0x0, 0x0, 0x7}, {0x8, 0x9, 0x0, 0x0, 0x5}, {0x8, 0x5, 0x0, 0x0, 0x13}, {0x8, 0x13, 0x0, 0x0, 0xc}, {0x8, 0xe, 0x0, 0x0, 0xfffffffe}, {0x8, 0x1}, {0x8, 0x1, 0x0, 0x0, 0x800}, {0x8, 0x1c, 0x0, 0x0, 0xc0}, {0x8, 0xe, 0x0, 0x0, 0xba90}]}}]}]}, 0x7c}}, 0x20000090) socket$inet6_sctp(0xa, 0x5, 0x84) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendfile(r2, r3, 0x0, 0x1000000201005) syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000140)={{0x12, 0x1, 0x250, 0x0, 0x0, 0x0, 0x40, 0x6cb, 0x2968, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x2, 0x20, 0x5, [{{0x9, 0x4, 0x0, 0xfe, 0x1, 0x3, 0x1, 0x3, 0x0, {0x9, 0x21, 0x7, 0x1, 0x1, {0x22, 0x9f8}}, {{{0x9, 0x5, 0x81, 0x3, 0x40, 0x1, 0x80, 0xb5}}}}}]}}]}}, 0x0) open(&(0x7f0000000180)='./bus\x00', 0xa37e, 0x0) r8 = syz_open_dev$loop(&(0x7f0000000640), 0x0, 0x22400) ioctl$LOOP_SET_STATUS(r8, 0x4c02, &(0x7f0000000340)={0x0, {}, 0x0, {}, 0x40010001, 0x2, 0x15, 0x17, "9e959f16b6787b08aa26e66c4056a51695284854c382ec6bcfeef4fb0efcc1d8a6078ed98e203fd5f04c3902dd8f6fac274de9d940bba5e50392bbd4ce85450d", "f625c1076e4c36c800def96015e0fb7e904d865c2fdc458ee68d347f41be5a08", [0xf20, 0x7]}) [ 68.384461][ T4666] Bluetooth: hci0: command tx timeout [ 68.779218][ T5321] loop0: detected capacity change from 0 to 32768 [ 68.788416][ T5321] ======================================================= [ 68.788416][ T5321] WARNING: The mand mount option has been deprecated and [ 68.788416][ T5321] and is ignored by this kernel. Remove the mand [ 68.788416][ T5321] option from the mount to silence this warning. [ 68.788416][ T5321] ======================================================= [ 68.857431][ T5321] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 68.874770][ T24] audit: type=1800 audit(1740658291.917:2): pid=5321 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="file1" dev="loop0" ino=17058 res=0 errno=0 [ 68.894720][ T24] audit: type=1800 audit(1740658291.927:3): pid=5321 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="file1" dev="loop0" ino=17058 res=0 errno=0 [ 68.942136][ T24] audit: type=1800 audit(1740658291.987:4): pid=5322 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="file1" dev="loop0" ino=17058 res=0 errno=0 [ 69.064832][ T5326] kernel profiling enabled (shift: 63) [ 69.073386][ T5326] profiling shift: 63 too large [ 69.406937][ T56] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 69.727291][ T5328] loop0: detected capacity change from 32768 to 0 [ 69.742840][ T5327] OCFS2: ERROR (device loop0): int ocfs2_validate_extent_block(struct super_block *, struct buffer_head *): Extent block #10904 has bad signature [ 69.751905][ T5321] syz.0.0: attempt to access beyond end of device [ 69.751905][ T5321] loop0: rw=34817, sector=15784, nr_sectors = 8 limit=0 [ 69.767072][ T5321] (syz.0.0,5321,0):ocfs2_dio_end_io:2405 ERROR: Direct IO failed, bytes = -5 [ 69.767287][ T5327] On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. [ 69.795264][ T5327] OCFS2: File system is now read-only. [ 69.799167][ T5327] (syz.0.0,5327,0):__ocfs2_find_path:1844 ERROR: status = -30 [ 69.803196][ T5327] (syz.0.0,5327,0):ocfs2_commit_truncate:7269 ERROR: status = -30 [ 69.808681][ T5327] (syz.0.0,5327,0):ocfs2_truncate_file:511 ERROR: status = -30 [ 69.812119][ T5327] (syz.0.0,5327,0):ocfs2_setattr:1217 ERROR: status = -30 [ 69.884331][ T5326] (syz.0.0,5326,0):ocfs2_find_subtree_root:1777 ERROR: bug expression: i > left->p_tree_depth [ 69.890814][ T5326] (syz.0.0,5326,0):ocfs2_find_subtree_root:1777 ERROR: Owner 17059, left depth 1, right depth 1 [ 69.890814][ T5326] left leaf blk 10905, right leaf blk 10905 [ 69.900155][ T5326] ------------[ cut here ]------------ [ 69.902469][ T5326] kernel BUG at fs/ocfs2/alloc.c:1777! [ 69.904823][ T5326] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 69.908109][ T5326] CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted 6.14.0-rc4-syzkaller-00090-gdd83757f6e68 #0 [ 69.911923][ T5326] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.915918][ T5326] RIP: 0010:ocfs2_find_subtree_root+0x5ab/0x5c0 [ 69.918523][ T5326] Code: 31 30 34 8e ba f1 06 00 00 48 c7 c1 80 12 69 8c 4c 8b 44 24 20 45 89 f1 ff 33 41 57 ff 74 24 28 e8 1a 46 23 00 48 83 c4 18 90 <0f> 0b e8 9e 05 0f fe 90 0f 0b e8 76 a3 55 08 66 0f 1f 44 00 00 90 [ 69.927201][ T5326] RSP: 0018:ffffc9000d37dec0 EFLAGS: 00010296 [ 69.929717][ T5326] RAX: 9c99352a1e608700 RBX: ffff88801fc4f018 RCX: 9c99352a1e608700 [ 69.932578][ T5326] RDX: ffffc9000f2dc000 RSI: 00000000000fffff RDI: 0000000000100000 [ 69.935517][ T5326] RBP: ffffc9000d37dfb0 R08: ffffffff81a1153c R09: 1ffff92001a6fb44 [ 69.938479][ T5326] R10: dffffc0000000000 R11: fffff52001a6fb45 R12: 0000000000000001 [ 69.941615][ T5326] R13: 0000000000000010 R14: 0000000000000001 R15: 0000000000002a99 [ 69.945261][ T5326] FS: 00007f0fa1f646c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 69.949538][ T5326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.952105][ T5326] CR2: 00007f0fa1f21fe0 CR3: 0000000039cd4000 CR4: 0000000000352ef0 [ 69.955020][ T5326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.957993][ T5326] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.960907][ T5326] Call Trace: [ 69.962189][ T5326] [ 69.963467][ T5326] ? __die_body+0x5f/0xb0 [ 69.965890][ T5326] ? die+0x9e/0xc0 [ 69.967819][ T5326] ? do_trap+0x15a/0x3a0 [ 69.969611][ T5326] ? ocfs2_find_subtree_root+0x5ab/0x5c0 [ 69.971845][ T5326] ? do_error_trap+0x1dc/0x2c0 [ 69.973664][ T5326] ? ocfs2_find_subtree_root+0x5ab/0x5c0 [ 69.975915][ T5326] ? __pfx_do_error_trap+0x10/0x10 [ 69.977862][ T5326] ? report_bug+0x3e8/0x500 [ 69.979636][ T5326] ? handle_invalid_op+0x34/0x40 [ 69.981538][ T5326] ? ocfs2_find_subtree_root+0x5ab/0x5c0 [ 69.983892][ T5326] ? exc_invalid_op+0x38/0x50 [ 69.986162][ T5326] ? asm_exc_invalid_op+0x1a/0x20 [ 69.988999][ T5326] ? __wake_up_klogd+0xcc/0x110 [ 69.991671][ T5326] ? ocfs2_find_subtree_root+0x5ab/0x5c0 [ 69.994111][ T5326] ? __pfx_ocfs2_find_subtree_root+0x10/0x10 [ 69.996957][ T5326] ? __pfx_ocfs2_journal_access_path+0x10/0x10 [ 69.999584][ T5326] ? ocfs2_append_rec_to_path+0x58d/0xc20 [ 70.001824][ T5326] ocfs2_insert_path+0xad7/0x12c0 [ 70.003750][ T5326] ? __ocfs2_find_path+0x64a/0x7e0 [ 70.005676][ T5326] ? __pfx_ocfs2_insert_path+0x10/0x10 [ 70.007917][ T5326] ? __pfx_find_path_ins+0x10/0x10 [ 70.010444][ T5326] ? __pfx___ocfs2_find_path+0x10/0x10 [ 70.013137][ T5326] ? __kasan_kmalloc+0x98/0xb0 [ 70.015385][ T5326] ? __kmalloc_cache_noprof+0x243/0x390 [ 70.017521][ T5326] ? ocfs2_do_insert_extent+0x3d1/0x10d0 [ 70.019663][ T5326] ocfs2_do_insert_extent+0xae1/0x10d0 [ 70.021658][ T5326] ? do_sendfile+0x564/0x8a0 [ 70.023764][ T5326] ? __pfx_ocfs2_do_insert_extent+0x10/0x10 [ 70.026461][ T5326] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 70.028958][ T5326] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 70.031947][ T5326] ? kasan_quarantine_put+0xdc/0x230 [ 70.034313][ T5326] ? lockdep_hardirqs_on+0x99/0x150 [ 70.036384][ T5326] ? ocfs2_insert_extent+0x18fd/0x2270 [ 70.038329][ T5326] ocfs2_insert_extent+0x1172/0x2270 [ 70.040148][ T5326] ? __pfx_ocfs2_insert_extent+0x10/0x10 [ 70.042178][ T5326] ? jbd2_write_access_granted+0x2f8/0x310 [ 70.044274][ T5326] ? jbd2_write_access_granted+0x71/0x310 [ 70.046484][ T5326] ? jbd2_journal_get_write_access+0x1cf/0x240 [ 70.048583][ T5326] ? __ocfs2_journal_access+0x64c/0x8b0 [ 70.050790][ T5326] ? __pfx___ocfs2_journal_access+0x10/0x10 [ 70.053103][ T5326] ? ocfs2_num_free_extents+0x3b8/0x6d0 [ 70.055345][ T5326] ? __pfx_ocfs2_num_free_extents+0x10/0x10 [ 70.058055][ T5326] ? __lock_acquire+0x1397/0x2100 [ 70.060573][ T5326] ? cgroup_rstat_updated+0x13b/0xc30 [ 70.063134][ T5326] ? ocfs2_metadata_cache_get_super+0x43/0x80 [ 70.065530][ T5326] ocfs2_add_clusters_in_btree+0x73e/0x1370 [ 70.067658][ T5326] ? __pfx_ocfs2_add_clusters_in_btree+0x10/0x10 [ 70.069995][ T5326] ocfs2_add_inode_data+0xcf/0x120 [ 70.071893][ T5326] ? __pfx_ocfs2_add_inode_data+0x10/0x10 [ 70.074047][ T5326] ? __pfx_ocfs2_journal_access_di+0x10/0x10 [ 70.076485][ T5326] ocfs2_write_cluster_by_desc+0x554/0x1fb0 [ 70.078703][ T5326] ? __pfx_ocfs2_write_cluster_by_desc+0x10/0x10 [ 70.081369][ T5326] ? jbd_lock_bh_journal_head+0x55/0x120 [ 70.083846][ T5326] ? folio_mapping+0x17f/0x250 [ 70.086016][ T5326] ? folio_wait_stable+0x70/0x90 [ 70.088229][ T5326] ? ocfs2_grab_folios_for_write+0xa60/0xda0 [ 70.090464][ T5326] ? __pfx_ocfs2_grab_folios_for_write+0x10/0x10 [ 70.092659][ T5326] ? rcu_is_watching+0x15/0xb0 [ 70.094394][ T5326] ? ocfs2_write_begin_nolock+0x1162/0x4e40 [ 70.096405][ T5326] ? ocfs2_metadata_cache_get_super+0x43/0x80 [ 70.098752][ T5326] ? ocfs2_inode_cache_get_super+0xd/0x40 [ 70.101298][ T5326] ocfs2_write_begin_nolock+0x3b28/0x4e40 [ 70.103785][ T5326] ? __pfx_ocfs2_write_begin_nolock+0x10/0x10 [ 70.106114][ T5326] ? __pfx_lock_acquire+0x10/0x10 [ 70.108015][ T5326] ? mark_lock+0x9a/0x360 [ 70.109483][ T5326] ? __lock_acquire+0x1397/0x2100 [ 70.111360][ T5326] ? __pfx_ocfs2_journal_access_di+0x10/0x10 [ 70.113687][ T5326] ? __pfx_lock_acquire+0x10/0x10 [ 70.115819][ T5326] ? __pfx___might_resched+0x10/0x10 [ 70.118000][ T5326] ? mark_lock+0x9a/0x360 [ 70.119982][ T5326] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 70.122597][ T5326] ? down_write+0x18c/0x220 [ 70.124171][ T5326] ? __pfx_down_write+0x10/0x10 [ 70.125965][ T5326] ? ktime_get_coarse_real_ts64_mg+0x57/0x220 [ 70.128149][ T5326] ? lockdep_hardirqs_on+0x99/0x150 [ 70.130139][ T5326] ocfs2_write_begin+0x205/0x3a0 [ 70.131983][ T5326] ? __vfs_getxattr+0x433/0x470 [ 70.133784][ T5326] ? __pfx_ocfs2_write_begin+0x10/0x10 [ 70.136022][ T5326] ? fault_in_iov_iter_readable+0x236/0x280 [ 70.138627][ T5326] generic_perform_write+0x346/0x990 [ 70.141006][ T5326] ? __pfx_generic_perform_write+0x10/0x10 [ 70.143349][ T5326] ? file_update_time+0x2a1/0x450 [ 70.145330][ T5326] ? __generic_file_write_iter+0x102/0x230 [ 70.147440][ T5326] ? ocfs2_file_write_iter+0x1989/0x2180 [ 70.149511][ T5326] ocfs2_file_write_iter+0x19af/0x2180 [ 70.151378][ T5326] ? kasan_save_track+0x3f/0x80 [ 70.153100][ T5326] ? __kasan_kmalloc+0x98/0xb0 [ 70.154952][ T5326] ? __kmalloc_noprof+0x285/0x4c0 [ 70.156755][ T5326] ? __pfx_ocfs2_file_write_iter+0x10/0x10 [ 70.159091][ T5326] ? splice_from_pipe_next+0x606/0x660 [ 70.162361][ T5326] iter_file_splice_write+0xbfa/0x1510 [ 70.165157][ T5326] ? __pfx_iter_file_splice_write+0x10/0x10 [ 70.167163][ T5326] ? rcu_read_lock_any_held+0xb7/0x160 [ 70.169149][ T5326] ? __pfx_iter_file_splice_write+0x10/0x10 [ 70.171146][ T5326] direct_splice_actor+0x11b/0x220 [ 70.172987][ T5326] splice_direct_to_actor+0x586/0xc80 [ 70.174963][ T5326] ? __pfx_direct_splice_actor+0x10/0x10 [ 70.177118][ T5326] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 70.179467][ T5326] ? __fget_files+0x2a/0x410 [ 70.181261][ T5326] ? __pfx_lock_release+0x10/0x10 [ 70.183195][ T5326] do_splice_direct+0x289/0x3e0 [ 70.185168][ T5326] ? __pfx_do_splice_direct+0x10/0x10 [ 70.187258][ T5326] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 70.189474][ T5326] ? rw_verify_area+0x243/0x630 [ 70.191660][ T5326] do_sendfile+0x564/0x8a0 [ 70.193699][ T5326] ? __pfx_do_sendfile+0x10/0x10 [ 70.196103][ T5326] ? __rseq_handle_notify_resume+0x34d/0x14e0 [ 70.198997][ T5326] __se_sys_sendfile64+0x17c/0x1e0 [ 70.201183][ T5326] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 70.203172][ T5326] ? do_syscall_64+0x100/0x230 [ 70.204974][ T5326] ? do_syscall_64+0xb6/0x230 [ 70.206748][ T5326] do_syscall_64+0xf3/0x230 [ 70.208433][ T5326] ? clear_bhb_loop+0x35/0x90 [ 70.210233][ T5326] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.212637][ T5326] RIP: 0033:0x7f0fa118d169 [ 70.214404][ T5326] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 70.222851][ T5326] RSP: 002b:00007f0fa1f64038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 70.226062][ T5326] RAX: ffffffffffffffda RBX: 00007f0fa13a6160 RCX: 00007f0fa118d169 [ 70.228990][ T5326] RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006 [ 70.232004][ T5326] RBP: 00007f0fa120e2a0 R08: 0000000000000000 R09: 0000000000000000 [ 70.234883][ T5326] R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 [ 70.237556][ T5326] R13: 0000000000000000 R14: 00007f0fa13a6160 R15: 00007ffec699a4b8 [ 70.241066][ T5326] [ 70.242625][ T5326] Modules linked in: [ 70.245649][ T5326] ---[ end trace 0000000000000000 ]--- [ 70.259417][ T5326] RIP: 0010:ocfs2_find_subtree_root+0x5ab/0x5c0 [ 70.268029][ T5326] Code: 31 30 34 8e ba f1 06 00 00 48 c7 c1 80 12 69 8c 4c 8b 44 24 20 45 89 f1 ff 33 41 57 ff 74 24 28 e8 1a 46 23 00 48 83 c4 18 90 <0f> 0b e8 9e 05 0f fe 90 0f 0b e8 76 a3 55 08 66 0f 1f 44 00 00 90 [ 70.276421][ T5326] RSP: 0018:ffffc9000d37dec0 EFLAGS: 00010296 [ 70.279786][ T5326] RAX: 9c99352a1e608700 RBX: ffff88801fc4f018 RCX: 9c99352a1e608700 [ 70.284417][ T5326] RDX: ffffc9000f2dc000 RSI: 00000000000fffff RDI: 0000000000100000 [ 70.288471][ T5326] RBP: ffffc9000d37dfb0 R08: ffffffff81a1153c R09: 1ffff92001a6fb44 [ 70.291313][ T5326] R10: dffffc0000000000 R11: fffff52001a6fb45 R12: 0000000000000001 [ 70.294241][ T5326] R13: 0000000000000010 R14: 0000000000000001 R15: 0000000000002a99 [ 70.298725][ T5326] FS: 00007f0fa1f646c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 70.302331][ T5326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.305310][ T5326] CR2: 00005572ada950b8 CR3: 0000000039cd4000 CR4: 0000000000352ef0 [ 70.310346][ T5326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.313767][ T5326] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.317309][ T5326] Kernel panic - not syncing: Fatal exception [ 70.319618][ T5326] Kernel Offset: disabled [ 70.321236][ T5326] Rebooting in 86400 seconds..