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r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1ff) r3 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) sendfile(r2, r3, 0x0, 0xfffe82) syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f00000000c0)='./file0\x00', 0x3000490, &(0x7f0000000c80)={[{@lazytime}, {@usrjquota}, {@errors_remount}, {@norecovery}, {@auto_da_alloc}, {@mblk_io_submit}, {@grpquota}, {@barrier_val}, {@grpjquota}, {}, {}, {@usrjquota}]}, 0x45, 0x7b1, &(0x7f00000004c0)="$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") r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) rename(&(0x7f0000000100)='./file1\x00', &(0x7f0000000140)='./bus\x00') r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, 0x0, &(0x7f0000000080)=0xfffffffffffffef7) fcntl$setstatus(r4, 0x4, 0x6000) io_setup(0x202, &(0x7f0000000200)=0x0) io_submit(r6, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0x0, 0x0, 0x1, 0x0, r4, &(0x7f0000000000), 0x4000, 0xa00}]) [ 143.016254][ T4655] Bluetooth: hci0: command tx timeout [ 143.023739][ T1330] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.027605][ T1330] ieee802154 phy1 wpan1: encryption failed: -22 [ 143.326246][ T5339] loop0: detected capacity change from 0 to 32768 [ 143.474691][ T5339] JBD2: Ignoring recovery information on journal [ 143.644158][ T5339] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 143.691616][ T24] audit: type=1800 audit(1777757338.577:2): pid=5339 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 [ 143.989975][ T5338] [ 143.991170][ T5338] ====================================================== [ 143.994338][ T5338] WARNING: possible circular locking dependency detected [ 143.998216][ T5338] syzkaller #0 Not tainted [ 144.000237][ T5338] ------------------------------------------------------ [ 144.003302][ T5338] syz.0.0/5338 is trying to acquire lock: [ 144.005608][ T5338] ffff888047acb3a0 (&ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_evict_inode+0x1539/0x43b0 [ 144.012533][ T5338] [ 144.012533][ T5338] but task is already holding lock: [ 144.015662][ T5338] ffff888047accfa0 (&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_evict_inode+0xe97/0x43b0 [ 144.020782][ T5338] [ 144.020782][ T5338] which lock already depends on the new lock. [ 144.020782][ T5338] [ 144.024980][ T5338] [ 144.024980][ T5338] the existing dependency chain (in reverse order) is: [ 144.029090][ T5338] [ 144.029090][ T5338] -> #2 (&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]){+.+.}-{4:4}: [ 144.033808][ T5338] down_write+0x96/0x200 [ 144.036111][ T5338] ocfs2_del_inode_from_orphan+0x12e/0x7a0 [ 144.039060][ T5338] ocfs2_dio_end_io+0xf9c/0x1370 [ 144.041429][ T5338] dio_complete+0x25b/0x790 [ 144.043784][ T5338] __blockdev_direct_IO+0x2e5d/0x34e0 [ 144.046416][ T5338] ocfs2_direct_IO+0x251/0x2c0 [ 144.048985][ T5338] generic_file_direct_write+0x1db/0x3e0 [ 144.051594][ T5338] __generic_file_write_iter+0x11d/0x230 [ 144.054196][ T5338] ocfs2_file_write_iter+0x1663/0x1e70 [ 144.056664][ T5338] iter_file_splice_write+0x9a1/0x10f0 [ 144.059245][ T5338] direct_splice_actor+0x101/0x160 [ 144.061725][ T5338] splice_direct_to_actor+0x53a/0xc70 [ 144.064299][ T5338] do_splice_direct+0x195/0x290 [ 144.066707][ T5338] do_sendfile+0x535/0x7d0 [ 144.069042][ T5338] __se_sys_sendfile64+0x144/0x1a0 [ 144.071711][ T5338] do_syscall_64+0x15f/0xf80 [ 144.074207][ T5338] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 144.077094][ T5338] [ 144.077094][ T5338] -> #1 (&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}: [ 144.082067][ T5338] down_write+0x96/0x200 [ 144.084309][ T5338] ocfs2_reserve_suballoc_bits+0x16d/0x4840 [ 144.087205][ T5338] ocfs2_reserve_new_metadata_blocks+0x415/0x9a0 [ 144.090198][ T5338] ocfs2_mknod+0x10f3/0x2260 [ 144.092649][ T5338] ocfs2_create+0x195/0x460 [ 144.094912][ T5338] path_openat+0x1395/0x3860 [ 144.097256][ T5338] do_file_open+0x23e/0x4a0 [ 144.099614][ T5338] do_sys_openat2+0x113/0x200 [ 144.101924][ T5338] __x64_sys_openat+0x138/0x170 [ 144.104334][ T5338] do_syscall_64+0x15f/0xf80 [ 144.106676][ T5338] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 144.109704][ T5338] [ 144.109704][ T5338] -> #0 (&ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}: [ 144.114525][ T5338] __lock_acquire+0x15a5/0x2cf0 [ 144.117049][ T5338] lock_acquire+0x106/0x350 [ 144.119629][ T5338] down_write+0x96/0x200 [ 144.121747][ T5338] ocfs2_evict_inode+0x1539/0x43b0 [ 144.124253][ T5338] evict+0x61e/0xb10 [ 144.126301][ T5338] ocfs2_dentry_iput+0x24d/0x390 [ 144.128498][ T5338] __dentry_kill+0x1a2/0x690 [ 144.130819][ T5338] finish_dput+0xc9/0x480 [ 144.132957][ T5338] __fput+0x691/0xa60 [ 144.134821][ T5338] task_work_run+0x1d9/0x270 [ 144.136946][ T5338] exit_to_user_mode_loop+0xed/0x480 [ 144.139454][ T5338] do_syscall_64+0x33e/0xf80 [ 144.141993][ T5338] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 144.144953][ T5338] [ 144.144953][ T5338] other info that might help us debug this: [ 144.144953][ T5338] [ 144.149677][ T5338] Chain exists of: [ 144.149677][ T5338] &ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE] --> &ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE] --> &ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE] [ 144.149677][ T5338] [ 144.159172][ T5338] Possible unsafe locking scenario: [ 144.159172][ T5338] [ 144.162585][ T5338] CPU0 CPU1 [ 144.165116][ T5338] ---- ---- [ 144.167576][ T5338] lock(&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]); [ 144.171511][ T5338] lock(&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]); [ 144.175959][ T5338] lock(&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]); [ 144.180578][ T5338] lock(&ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE]); [ 144.184079][ T5338] [ 144.184079][ T5338] *** DEADLOCK *** [ 144.184079][ T5338] [ 144.187748][ T5338] 2 locks held by syz.0.0/5338: [ 144.190107][ T5338] #0: ffff888043298bc0 (&osb->nfs_sync_rwlock){.+.+}-{4:4}, at: ocfs2_nfs_sync_lock+0x106/0x270 [ 144.194979][ T5338] #1: ffff888047accfa0 (&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_evict_inode+0xe97/0x43b0 [ 144.200973][ T5338] [ 144.200973][ T5338] stack backtrace: [ 144.203624][ T5338] CPU: 0 UID: 0 PID: 5338 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 144.203643][ T5338] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 144.203650][ T5338] Call Trace: [ 144.203659][ T5338] [ 144.203666][ T5338] dump_stack_lvl+0xe8/0x150 [ 144.203684][ T5338] print_circular_bug+0x2e1/0x300 [ 144.203699][ T5338] check_noncircular+0x12e/0x150 [ 144.203714][ T5338] __lock_acquire+0x15a5/0x2cf0 [ 144.203726][ T5338] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 144.203740][ T5338] ? _raw_spin_unlock+0x28/0x50 [ 144.203752][ T5338] ? ocfs2_evict_inode+0x1539/0x43b0 [ 144.203764][ T5338] lock_acquire+0x106/0x350 [ 144.203774][ T5338] ? ocfs2_evict_inode+0x1539/0x43b0 [ 144.203786][ T5338] down_write+0x96/0x200 [ 144.203799][ T5338] ? ocfs2_evict_inode+0x1539/0x43b0 [ 144.203808][ T5338] ? __pfx_down_write+0x10/0x10 [ 144.203821][ T5338] ? ocfs2_inode_cache_get_super+0xd/0x40 [ 144.203832][ T5338] ocfs2_evict_inode+0x1539/0x43b0 [ 144.203845][ T5338] ? __pfx_ocfs2_evict_inode+0x10/0x10 [ 144.203855][ T5338] ? __lock_acquire+0x6b5/0x2cf0 [ 144.203866][ T5338] ? __lock_acquire+0x6b5/0x2cf0 [ 144.203888][ T5338] ? __lock_acquire+0x6b5/0x2cf0 [ 144.203899][ T5338] ? __lock_acquire+0x6b5/0x2cf0 [ 144.203909][ T5338] ? __lock_acquire+0x6b5/0x2cf0 [ 144.203921][ T5338] ? unwind_next_frame+0xa6/0x2550 [ 144.203935][ T5338] ? unwind_next_frame+0xa6/0x2550 [ 144.203947][ T5338] ? is_bpf_text_address+0x26/0x2b0 [ 144.203961][ T5338] ? is_bpf_text_address+0x292/0x2b0 [ 144.203970][ T5338] ? is_bpf_text_address+0x26/0x2b0 [ 144.203980][ T5338] ? kernel_text_address+0xa5/0xe0 [ 144.203993][ T5338] ? __bfs+0x153/0x290 [ 144.204003][ T5338] ? __pfx_hlock_conflict+0x10/0x10 [ 144.204015][ T5338] ? check_path+0x21/0x40 [ 144.204025][ T5338] ? check_noncircular+0xda/0x150 [ 144.204039][ T5338] ? lockdep_unlock+0x5d/0xd0 [ 144.204047][ T5338] ? __lock_acquire+0x146e/0x2cf0 [ 144.204057][ T5338] ? __lock_acquire+0x6b5/0x2cf0 [ 144.204071][ T5338] ? inode_wait_for_writeback+0x16d/0x3b0 [ 144.204086][ T5338] ? __pfx_inode_wait_for_writeback+0x10/0x10 [ 144.204098][ T5338] ? do_raw_spin_lock+0x12b/0x2f0 [ 144.204114][ T5338] ? do_raw_spin_unlock+0x4d/0x210 [ 144.204127][ T5338] ? __pfx_ocfs2_evict_inode+0x10/0x10 [ 144.204138][ T5338] evict+0x61e/0xb10 [ 144.204155][ T5338] ? __pfx_evict+0x10/0x10 [ 144.204168][ T5338] ? _raw_spin_unlock+0x28/0x50 [ 144.204179][ T5338] ? iput+0xb25/0xe80 [ 144.204191][ T5338] ocfs2_dentry_iput+0x24d/0x390 [ 144.204240][ T5338] ? __pfx_ocfs2_dentry_iput+0x10/0x10 [ 144.204253][ T5338] ? fsnotify_destroy_marks+0x81/0x330 [ 144.204267][ T5338] ? dentry_unlink_inode+0x351/0x430 [ 144.204282][ T5338] __dentry_kill+0x1a2/0x690 [ 144.204296][ T5338] ? finish_dput+0xad/0x480 [ 144.204305][ T5338] finish_dput+0xc9/0x480 [ 144.204316][ T5338] __fput+0x691/0xa60 [ 144.204328][ T5338] task_work_run+0x1d9/0x270 [ 144.204343][ T5338] ? __pfx_task_work_run+0x10/0x10 [ 144.204357][ T5338] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 144.204368][ T5338] exit_to_user_mode_loop+0xed/0x480 [ 144.204379][ T5338] ? rcu_is_watching+0x15/0xb0 [ 144.204392][ T5338] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 144.204402][ T5338] do_syscall_64+0x33e/0xf80 [ 144.204417][ T5338] ? clear_bhb_loop+0x40/0x90 [ 144.204428][ T5338] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 144.204439][ T5338] RIP: 0033:0x7ff30d19cdd9 [ 144.204452][ T5338] 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 [ 144.204461][ T5338] RSP: 002b:00007fffdf0a90c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 144.204474][ T5338] RAX: 0000000000000000 RBX: 00007ff30d417da0 RCX: 00007ff30d19cdd9 [ 144.204481][ T5338] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 144.204487][ T5338] RBP: 00007ff30d417da0 R08: 0000000000000006 R09: 0000000000000000 [ 144.204493][ T5338] R10: 00007ff30d417cb0 R11: 0000000000000246 R12: 00000000000231e2 [ 144.204499][ T5338] R13: 00007ff30d41609c R14: 000000000002318e R15: 00007ff30d416090 [ 144.204510][ T5338]