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r0 = syz_open_dev$loop(&(0x7f0000000640), 0x0, 0x1e5440) r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x6042, 0x0) sendfile(r1, r0, 0x0, 0x80000002) r2 = open(&(0x7f0000000000)='./bus\x00', 0x60142, 0x14) r3 = open(&(0x7f00000000c0)='./file1\x00', 0x14927e, 0x6) fallocate(r3, 0x0, 0x0, 0x1001f0) r4 = open(&(0x7f00000001c0)='./file1\x00', 0x101000, 0x4) r5 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x42, 0x0) write$cgroup_devices(r5, &(0x7f0000000100)={'b', ' *:* ', 'm\x00'}, 0x8) r6 = open(&(0x7f0000000040)='./bus\x00', 0x181042, 0x0) write$P9_RREADDIR(r6, &(0x7f00000001c0)={0x2a, 0x29, 0x3, {0x5, [{{0x10, 0x9, 0x5}, 0x7, 0x7, 0xf45b3bccc711007a, './file0'}]}}, 0xfffffceb) r7 = syz_open_dev$sndpcmp(&(0x7f0000000340), 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_HW_PARAMS(r7, 0xc2604110, &(0x7f0000000bc0)={0x0, [[0x9, 0x0, 0x0, 0xc, 0x40000200, 0x0, 0x54bf, 0xfffffffd], [0xffc, 0x0, 0x101, 0xfffffffd, 0x80, 0x0, 0x4, 0x8], [0x4, 0xffefffff, 0x44, 0x0, 0x1, 0x7, 0x8]], '\x00', [{}, {0xc5}, {0x400}, {0xffffffff}, {0x2000005}, {0x2, 0x22c685d7}, {0xf68b}, {0xb, 0xfffffff8}, {0xc51}, {0x7334486a}, {0x20000}, {0x0, 0x2}], '\x00', 0x0, 0x0, 0x0, 0x20}) pwritev2(r5, &(0x7f0000000180)=[{&(0x7f0000000200)="05", 0x5b2000000000000}], 0x1, 0x7, 0x0, 0x15) unlink(&(0x7f0000000000)='./file1\x00') getsockopt$MRT(r5, 0x0, 0xd0, &(0x7f0000000240), &(0x7f0000000280)=0x4) syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x800053, 0x0, 0xfc, 0x0, &(0x7f00000000c0)) copy_file_range(r4, 0x0, r2, 0x0, 0x20000000008, 0x0) r8 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./bus\x00', 0x141842, 0x0) r9 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='blkio.bfq.io_service_time_recursive\x00', 0x275a, 0x0) write$binfmt_script(r9, &(0x7f0000000200), 0xfea7) copy_file_range(r9, &(0x7f00000001c0), r8, 0x0, 0xffffffffa003e45b, 0x700000000000000) [ 102.623423][ T5289] Bluetooth: hci0: command tx timeout [ 103.015818][ T5325] loop0: detected capacity change from 0 to 32768 [ 103.029382][ T5325] ======================================================= [ 103.029382][ T5325] WARNING: The mand mount option has been deprecated and [ 103.029382][ T5325] and is ignored by this kernel. Remove the mand [ 103.029382][ T5325] option from the mount to silence this warning. [ 103.029382][ T5325] ======================================================= [ 103.180058][ T5325] JBD2: Ignoring recovery information on journal [ 103.315476][ T5325] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 103.363340][ T25] audit: type=1800 audit(1779408281.746:2): pid=5325 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="file2" dev="loop0" ino=17058 res=0 errno=0 [ 103.463486][ T25] audit: type=1804 audit(1779408281.846:3): pid=5326 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz.0.0" name="/newroot/0/file1/file1" dev="loop0" ino=17060 res=1 errno=0 [ 103.494940][ T25] audit: type=1804 audit(1779408281.866:4): pid=5326 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz.0.0" name="/newroot/0/file1/file1" dev="loop0" ino=17060 res=1 errno=0 [ 104.634018][ T5289] Bluetooth: hci0: command tx timeout [ 105.108731][ T5325] (syz.0.0,5325,0):ocfs2_dio_end_io:2415 ERROR: Direct IO failed, bytes = -28 [ 105.416409][ T5324] [ 105.421119][ T5324] ====================================================== [ 105.424000][ T5324] WARNING: possible circular locking dependency detected [ 105.426982][ T5324] syzkaller #0 Not tainted [ 105.428854][ T5324] ------------------------------------------------------ [ 105.431882][ T5324] syz.0.0/5324 is trying to acquire lock: [ 105.434027][ T5324] ffff88801fdf7890 (&new->rf_sem){+.+.}-{4:4}, at: ocfs2_lock_refcount_tree+0x1b7/0xa40 [ 105.437687][ T5324] [ 105.437687][ T5324] but task is already holding lock: [ 105.440489][ T5324] ffff8880478fcfa0 (&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_evict_inode+0xe97/0x43b0 [ 105.445218][ T5324] [ 105.445218][ T5324] which lock already depends on the new lock. [ 105.445218][ T5324] [ 105.449593][ T5324] [ 105.449593][ T5324] the existing dependency chain (in reverse order) is: [ 105.453404][ T5324] [ 105.453404][ T5324] -> #2 (&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]){+.+.}-{4:4}: [ 105.457742][ T5324] down_write+0x96/0x200 [ 105.459804][ T5324] ocfs2_del_inode_from_orphan+0x12e/0x7a0 [ 105.462639][ T5324] ocfs2_dio_end_io+0xf9c/0x1370 [ 105.464958][ T5324] dio_complete+0x25b/0x790 [ 105.467113][ T5324] __blockdev_direct_IO+0x2e5d/0x34e0 [ 105.469718][ T5324] ocfs2_direct_IO+0x251/0x2c0 [ 105.472125][ T5324] generic_file_direct_write+0x1db/0x3e0 [ 105.474938][ T5324] __generic_file_write_iter+0x11d/0x230 [ 105.477805][ T5324] ocfs2_file_write_iter+0x1663/0x1e70 [ 105.480585][ T5324] iter_file_splice_write+0x9a1/0x10f0 [ 105.483295][ T5324] direct_splice_actor+0x101/0x160 [ 105.485674][ T5324] splice_direct_to_actor+0x53a/0xc70 [ 105.488174][ T5324] do_splice_direct+0x195/0x290 [ 105.490409][ T5324] do_sendfile+0x535/0x7d0 [ 105.492680][ T5324] __se_sys_sendfile64+0x144/0x1a0 [ 105.494970][ T5324] do_syscall_64+0x15f/0xf80 [ 105.497011][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 105.499875][ T5324] [ 105.499875][ T5324] -> #1 (&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}: [ 105.504333][ T5324] down_write+0x96/0x200 [ 105.506477][ T5324] ocfs2_reserve_suballoc_bits+0x16d/0x4840 [ 105.509225][ T5324] ocfs2_reserve_new_metadata_blocks+0x415/0x9a0 [ 105.512040][ T5324] ocfs2_add_refcount_flag+0x372/0xe60 [ 105.514535][ T5324] ocfs2_reflink_remap_blocks+0xbb2/0x1a30 [ 105.517459][ T5324] ocfs2_remap_file_range+0x451/0x6f0 [ 105.520310][ T5324] vfs_copy_file_range+0xd80/0x1370 [ 105.522885][ T5324] __se_sys_copy_file_range+0x2fb/0x480 [ 105.525595][ T5324] do_syscall_64+0x15f/0xf80 [ 105.527802][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 105.530536][ T5324] [ 105.530536][ T5324] -> #0 (&new->rf_sem){+.+.}-{4:4}: [ 105.533852][ T5324] __lock_acquire+0x15a5/0x2cf0 [ 105.536333][ T5324] lock_acquire+0x106/0x350 [ 105.538643][ T5324] down_write+0x96/0x200 [ 105.540483][ T5324] ocfs2_lock_refcount_tree+0x1b7/0xa40 [ 105.543033][ T5324] ocfs2_commit_truncate+0xb64/0x2310 [ 105.545746][ T5324] ocfs2_evict_inode+0x1023/0x43b0 [ 105.548277][ T5324] evict+0x61e/0xb10 [ 105.550273][ T5324] ocfs2_dentry_iput+0x24d/0x390 [ 105.552638][ T5324] __dentry_kill+0x1a2/0x690 [ 105.554831][ T5324] finish_dput+0xc9/0x480 [ 105.556974][ T5324] __fput+0x691/0xa60 [ 105.558788][ T5324] task_work_run+0x1d9/0x270 [ 105.560824][ T5324] exit_to_user_mode_loop+0xf3/0x4d0 [ 105.563229][ T5324] do_syscall_64+0x33e/0xf80 [ 105.565240][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 105.567756][ T5324] [ 105.567756][ T5324] other info that might help us debug this: [ 105.567756][ T5324] [ 105.572027][ T5324] Chain exists of: [ 105.572027][ T5324] &new->rf_sem --> &ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE] --> &ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE] [ 105.572027][ T5324] [ 105.579930][ T5324] Possible unsafe locking scenario: [ 105.579930][ T5324] [ 105.583238][ T5324] CPU0 CPU1 [ 105.585625][ T5324] ---- ---- [ 105.587812][ T5324] lock(&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]); [ 105.590784][ T5324] lock(&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]); [ 105.595007][ T5324] lock(&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]); [ 105.599359][ T5324] lock(&new->rf_sem); [ 105.601091][ T5324] [ 105.601091][ T5324] *** DEADLOCK *** [ 105.601091][ T5324] [ 105.604565][ T5324] 2 locks held by syz.0.0/5324: [ 105.606680][ T5324] #0: ffff888012078bc0 (&osb->nfs_sync_rwlock){.+.+}-{4:4}, at: ocfs2_nfs_sync_lock+0x106/0x270 [ 105.610966][ T5324] #1: ffff8880478fcfa0 (&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_evict_inode+0xe97/0x43b0 [ 105.616388][ T5324] [ 105.616388][ T5324] stack backtrace: [ 105.618743][ T5324] CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 105.618764][ T5324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 105.618772][ T5324] Call Trace: [ 105.618780][ T5324] [ 105.618786][ T5324] dump_stack_lvl+0xe8/0x150 [ 105.618806][ T5324] print_circular_bug+0x2e1/0x300 [ 105.618823][ T5324] check_noncircular+0x12e/0x150 [ 105.618838][ T5324] __lock_acquire+0x15a5/0x2cf0 [ 105.618851][ T5324] ? do_raw_spin_lock+0x12b/0x2f0 [ 105.618868][ T5324] ? ocfs2_lock_refcount_tree+0x1b7/0xa40 [ 105.618882][ T5324] lock_acquire+0x106/0x350 [ 105.618893][ T5324] ? ocfs2_lock_refcount_tree+0x1b7/0xa40 [ 105.618907][ T5324] down_write+0x96/0x200 [ 105.618919][ T5324] ? ocfs2_lock_refcount_tree+0x1b7/0xa40 [ 105.618931][ T5324] ? __pfx_down_write+0x10/0x10 [ 105.618944][ T5324] ocfs2_lock_refcount_tree+0x1b7/0xa40 [ 105.618958][ T5324] ? __pfx_ocfs2_lock_refcount_tree+0x10/0x10 [ 105.618970][ T5324] ? _raw_spin_unlock+0x28/0x50 [ 105.618983][ T5324] ? __pfx_find_path_ins+0x10/0x10 [ 105.618995][ T5324] ? __pfx___ocfs2_find_path+0x10/0x10 [ 105.619006][ T5324] ? __pfx_ocfs2_extent_map_trunc+0x10/0x10 [ 105.619023][ T5324] ? ocfs2_commit_truncate+0x308/0x2310 [ 105.619037][ T5324] ? __kmalloc_cache_noprof+0x15b/0x660 [ 105.619053][ T5324] ocfs2_commit_truncate+0xb64/0x2310 [ 105.619072][ T5324] ? __pfx_ocfs2_commit_truncate+0x10/0x10 [ 105.619086][ T5324] ? jbd2_journal_stop+0x8dd/0xd70 [ 105.619103][ T5324] ? kmem_cache_free+0x182/0x650 [ 105.619117][ T5324] ? __pfx_ocfs2_journal_access_di+0x10/0x10 [ 105.619134][ T5324] ? sb_end_intwrite+0xe9/0x1c0 [ 105.619147][ T5324] ? ocfs2_commit_trans+0x133/0x250 [ 105.619159][ T5324] ? __pfx_ocfs2_commit_trans+0x10/0x10 [ 105.619172][ T5324] ? ocfs2_metadata_cache_get_super+0x43/0x80 [ 105.619185][ T5324] ? ocfs2_inode_cache_get_super+0xd/0x40 [ 105.619197][ T5324] ocfs2_evict_inode+0x1023/0x43b0 [ 105.619211][ T5324] ? __pfx_ocfs2_evict_inode+0x10/0x10 [ 105.619223][ T5324] ? rcu_is_watching+0x15/0xb0 [ 105.619236][ T5324] ? trace_sched_exit_tp+0x3a/0x130 [ 105.619247][ T5324] ? __lock_acquire+0x6b5/0x2cf0 [ 105.619261][ T5324] ? __lock_acquire+0x6b5/0x2cf0 [ 105.619272][ T5324] ? __lock_acquire+0x6b5/0x2cf0 [ 105.619285][ T5324] ? unwind_next_frame+0xa6/0x2550 [ 105.619300][ T5324] ? unwind_next_frame+0xa6/0x2550 [ 105.619314][ T5324] ? is_bpf_text_address+0x26/0x2b0 [ 105.619327][ T5324] ? __lock_acquire+0x6b5/0x2cf0 [ 105.619340][ T5324] ? is_bpf_text_address+0x292/0x2b0 [ 105.619352][ T5324] ? is_bpf_text_address+0x26/0x2b0 [ 105.619363][ T5324] ? kernel_text_address+0xa5/0xe0 [ 105.619377][ T5324] ? __bfs+0x153/0x290 [ 105.619387][ T5324] ? __pfx_hlock_conflict+0x10/0x10 [ 105.619409][ T5324] ? check_path+0x21/0x40 [ 105.619421][ T5324] ? check_noncircular+0xda/0x150 [ 105.619435][ T5324] ? lockdep_unlock+0x5d/0xd0 [ 105.619444][ T5324] ? __lock_acquire+0x146e/0x2cf0 [ 105.619455][ T5324] ? __lock_acquire+0x6b5/0x2cf0 [ 105.619470][ T5324] ? inode_wait_for_writeback+0x16d/0x3b0 [ 105.619486][ T5324] ? __pfx_inode_wait_for_writeback+0x10/0x10 [ 105.619499][ T5324] ? do_raw_spin_lock+0x12b/0x2f0 [ 105.619513][ T5324] ? do_raw_spin_unlock+0x4d/0x210 [ 105.619528][ T5324] ? __pfx_ocfs2_evict_inode+0x10/0x10 [ 105.619538][ T5324] evict+0x61e/0xb10 [ 105.619555][ T5324] ? __pfx_evict+0x10/0x10 [ 105.619568][ T5324] ? _raw_spin_unlock+0x28/0x50 [ 105.619598][ T5324] ? iput+0xb25/0xe80 [ 105.619611][ T5324] ocfs2_dentry_iput+0x24d/0x390 [ 105.619627][ T5324] ? __pfx_ocfs2_dentry_iput+0x10/0x10 [ 105.619641][ T5324] ? fsnotify_destroy_marks+0x81/0x330 [ 105.619657][ T5324] ? dentry_unlink_inode+0x351/0x430 [ 105.619672][ T5324] __dentry_kill+0x1a2/0x690 [ 105.619687][ T5324] ? finish_dput+0xad/0x480 [ 105.619697][ T5324] finish_dput+0xc9/0x480 [ 105.619709][ T5324] __fput+0x691/0xa60 [ 105.619722][ T5324] task_work_run+0x1d9/0x270 [ 105.619737][ T5324] ? __pfx_task_work_run+0x10/0x10 [ 105.619754][ T5324] exit_to_user_mode_loop+0xf3/0x4d0 [ 105.619765][ T5324] ? rcu_is_watching+0x15/0xb0 [ 105.619777][ T5324] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 105.619789][ T5324] do_syscall_64+0x33e/0xf80 [ 105.619802][ T5324] ? clear_bhb_loop+0x40/0x90 [ 105.619810][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 105.619818][ T5324] RIP: 0033:0x7f742ef9ce59 [ 105.619828][ T5324] 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 [ 105.619838][ T5324] RSP: 002b:00007ffdf28f1c68 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 105.619851][ T5324] RAX: 0000000000000000 RBX: 00007f742f217da0 RCX: 00007f742ef9ce59 [ 105.619858][ T5324] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 105.619864][ T5324] RBP: 00007f742f217da0 R08: 00007f742f216128 R09: 0000000000000000 [ 105.619871][ T5324] R10: 0000000000dbd408 R11: 0000000000000246 R12: 0000000000019aef [ 105.619878][ T5324] R13: 00007f742f21618c R14: 0000000000019abc R15: 00007f742f216180 [ 105.619890][ T5324]