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r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x101142, 0xeaff) write$binfmt_aout(r0, &(0x7f0000000400)=ANY=[], 0x29f) ioctl$FICLONERANGE(r0, 0x4020940d, &(0x7f00000000c0)={{r0}, 0x0, 0x0, 0x100000}) r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1ff) r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) sendfile(r1, r2, 0x0, 0xfffe82) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x141842, 0x1c2) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.usage_percpu\x00', 0x275a, 0x0) unlink(&(0x7f0000000240)='./file1\x00') copy_file_range(r4, 0x0, r3, 0x0, 0xffffffffa003e45c, 0x700000000000000) [ 86.798154][ T44] Bluetooth: hci0: command tx timeout [ 86.932926][ T5324] loop0: detected capacity change from 0 to 32768 [ 86.966411][ T5324] ======================================================= [ 86.966411][ T5324] WARNING: The mand mount option has been deprecated and [ 86.966411][ T5324] and is ignored by this kernel. Remove the mand [ 86.966411][ T5324] option from the mount to silence this warning. [ 86.966411][ T5324] ======================================================= [ 87.108146][ T5324] JBD2: Ignoring recovery information on journal [ 87.228855][ T5324] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 87.624239][ T5324] [ 87.625345][ T5324] ====================================================== [ 87.628383][ T5324] WARNING: possible circular locking dependency detected [ 87.631373][ T5324] syzkaller #0 Not tainted [ 87.633243][ T5324] ------------------------------------------------------ [ 87.636244][ T5324] syz.0.0/5324 is trying to acquire lock: [ 87.638765][ T5324] ffff888042908090 (&new->rf_sem){+.+.}-{4:4}, at: ocfs2_lock_refcount_tree+0x1b7/0xa40 [ 87.643070][ T5324] [ 87.643070][ T5324] but task is already holding lock: [ 87.646266][ T5324] ffff888047e8cfa0 (&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_evict_inode+0xe97/0x43b0 [ 87.651997][ T5324] [ 87.651997][ T5324] which lock already depends on the new lock. [ 87.651997][ T5324] [ 87.656458][ T5324] [ 87.656458][ T5324] the existing dependency chain (in reverse order) is: [ 87.660333][ T5324] [ 87.660333][ T5324] -> #2 (&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]){+.+.}-{4:4}: [ 87.664829][ T5324] down_write+0x96/0x200 [ 87.666940][ T5324] ocfs2_del_inode_from_orphan+0x12e/0x7a0 [ 87.669695][ T5324] ocfs2_dio_end_io+0xf9c/0x1370 [ 87.672084][ T5324] dio_complete+0x25b/0x790 [ 87.674405][ T5324] __blockdev_direct_IO+0x2e5d/0x34e0 [ 87.676934][ T5324] ocfs2_direct_IO+0x251/0x2c0 [ 87.679029][ T5324] generic_file_direct_write+0x1db/0x3e0 [ 87.681379][ T5324] __generic_file_write_iter+0x11d/0x230 [ 87.683802][ T5324] ocfs2_file_write_iter+0x1663/0x1e70 [ 87.686090][ T5324] iter_file_splice_write+0x9a1/0x10f0 [ 87.688365][ T5324] direct_splice_actor+0x101/0x160 [ 87.690567][ T5324] splice_direct_to_actor+0x53a/0xc70 [ 87.693057][ T5324] do_splice_direct+0x195/0x290 [ 87.695360][ T5324] do_sendfile+0x535/0x7d0 [ 87.697535][ T5324] __se_sys_sendfile64+0x144/0x1a0 [ 87.699886][ T5324] do_syscall_64+0x15f/0xf80 [ 87.702098][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.704855][ T5324] [ 87.704855][ T5324] -> #1 (&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}: [ 87.709433][ T5324] down_write+0x96/0x200 [ 87.711393][ T5324] ocfs2_reserve_suballoc_bits+0x16d/0x4840 [ 87.714034][ T5324] ocfs2_reserve_new_metadata_blocks+0x415/0x9a0 [ 87.716699][ T5324] ocfs2_add_refcount_flag+0x372/0xe60 [ 87.719369][ T5324] ocfs2_reflink_remap_blocks+0xbb2/0x1a30 [ 87.722048][ T5324] ocfs2_remap_file_range+0x451/0x6f0 [ 87.724539][ T5324] vfs_clone_file_range+0x42c/0x7b0 [ 87.727494][ T5324] do_vfs_ioctl+0xe0f/0x1530 [ 87.729939][ T5324] __se_sys_ioctl+0x82/0x170 [ 87.732207][ T5324] do_syscall_64+0x15f/0xf80 [ 87.734496][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.737318][ T5324] [ 87.737318][ T5324] -> #0 (&new->rf_sem){+.+.}-{4:4}: [ 87.740545][ T5324] __lock_acquire+0x15a5/0x2cf0 [ 87.742894][ T5324] lock_acquire+0x106/0x350 [ 87.745107][ T5324] down_write+0x96/0x200 [ 87.747201][ T5324] ocfs2_lock_refcount_tree+0x1b7/0xa40 [ 87.749879][ T5324] ocfs2_remove_refcount_tree+0x245/0xe50 [ 87.752835][ T5324] ocfs2_evict_inode+0x142b/0x43b0 [ 87.755945][ T5324] evict+0x61e/0xb10 [ 87.758376][ T5324] ocfs2_dentry_iput+0x24d/0x390 [ 87.761253][ T5324] __dentry_kill+0x1a2/0x690 [ 87.764022][ T5324] finish_dput+0xc9/0x480 [ 87.766124][ T5324] __fput+0x691/0xa60 [ 87.768156][ T5324] task_work_run+0x1d9/0x270 [ 87.770292][ T5324] get_signal+0x11eb/0x1330 [ 87.772570][ T5324] arch_do_signal_or_restart+0xbc/0x840 [ 87.775697][ T5324] exit_to_user_mode_loop+0x8c/0x4d0 [ 87.778694][ T5324] do_syscall_64+0x33e/0xf80 [ 87.781205][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.783844][ T5324] [ 87.783844][ T5324] other info that might help us debug this: [ 87.783844][ T5324] [ 87.788186][ T5324] Chain exists of: [ 87.788186][ T5324] &new->rf_sem --> &ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE] --> &ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE] [ 87.788186][ T5324] [ 87.795894][ T5324] Possible unsafe locking scenario: [ 87.795894][ T5324] [ 87.799104][ T5324] CPU0 CPU1 [ 87.801460][ T5324] ---- ---- [ 87.803730][ T5324] lock(&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]); [ 87.806856][ T5324] lock(&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]); [ 87.811169][ T5324] lock(&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]); [ 87.815275][ T5324] lock(&new->rf_sem); [ 87.817123][ T5324] [ 87.817123][ T5324] *** DEADLOCK *** [ 87.817123][ T5324] [ 87.820482][ T5324] 2 locks held by syz.0.0/5324: [ 87.822507][ T5324] #0: ffff888035470bc0 (&osb->nfs_sync_rwlock){.+.+}-{4:4}, at: ocfs2_nfs_sync_lock+0x106/0x270 [ 87.826965][ T5324] #1: ffff888047e8cfa0 (&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_evict_inode+0xe97/0x43b0 [ 87.832319][ T5324] [ 87.832319][ T5324] stack backtrace: [ 87.834777][ T5324] CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 87.834792][ T5324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 87.834800][ T5324] Call Trace: [ 87.834807][ T5324] [ 87.834814][ T5324] dump_stack_lvl+0xe8/0x150 [ 87.834831][ T5324] print_circular_bug+0x2e1/0x300 [ 87.834849][ T5324] check_noncircular+0x12e/0x150 [ 87.834865][ T5324] __lock_acquire+0x15a5/0x2cf0 [ 87.834876][ T5324] ? do_raw_spin_lock+0x12b/0x2f0 [ 87.834890][ T5324] ? ocfs2_lock_refcount_tree+0x1b7/0xa40 [ 87.834901][ T5324] lock_acquire+0x106/0x350 [ 87.834912][ T5324] ? ocfs2_lock_refcount_tree+0x1b7/0xa40 [ 87.834927][ T5324] down_write+0x96/0x200 [ 87.834945][ T5324] ? ocfs2_lock_refcount_tree+0x1b7/0xa40 [ 87.834956][ T5324] ? __pfx_down_write+0x10/0x10 [ 87.834972][ T5324] ? kasan_quarantine_put+0xbb/0x1f0 [ 87.834984][ T5324] ? lockdep_hardirqs_on+0x7a/0x110 [ 87.834998][ T5324] ocfs2_lock_refcount_tree+0x1b7/0xa40 [ 87.835010][ T5324] ? ocfs2_commit_truncate+0x1d2e/0x2310 [ 87.835027][ T5324] ? __pfx_ocfs2_lock_refcount_tree+0x10/0x10 [ 87.835039][ T5324] ? __pfx_ocfs2_xattr_remove+0x10/0x10 [ 87.835056][ T5324] ocfs2_remove_refcount_tree+0x245/0xe50 [ 87.835066][ T5324] ? __pfx_ocfs2_journal_access_di+0x10/0x10 [ 87.835075][ T5324] ? __pfx_ocfs2_remove_refcount_tree+0x10/0x10 [ 87.835085][ T5324] ? sb_end_intwrite+0xe9/0x1c0 [ 87.835093][ T5324] ? ocfs2_commit_trans+0x133/0x250 [ 87.835105][ T5324] ? __pfx_ocfs2_commit_trans+0x10/0x10 [ 87.835118][ T5324] ? ocfs2_metadata_cache_get_super+0x43/0x80 [ 87.835128][ T5324] ? ocfs2_inode_cache_get_super+0xd/0x40 [ 87.835141][ T5324] ocfs2_evict_inode+0x142b/0x43b0 [ 87.835154][ T5324] ? is_bpf_text_address+0x26/0x2b0 [ 87.835166][ T5324] ? __pfx_ocfs2_evict_inode+0x10/0x10 [ 87.835177][ T5324] ? kernel_text_address+0xa5/0xe0 [ 87.835192][ T5324] ? __kernel_text_address+0xd/0x30 [ 87.835207][ T5324] ? __lock_acquire+0x6b5/0x2cf0 [ 87.835220][ T5324] ? __lock_acquire+0x6b5/0x2cf0 [ 87.835231][ T5324] ? __lock_acquire+0x6b5/0x2cf0 [ 87.835271][ T5324] ? unwind_next_frame+0xa6/0x2550 [ 87.835288][ T5324] ? unwind_next_frame+0xa6/0x2550 [ 87.835303][ T5324] ? is_bpf_text_address+0x26/0x2b0 [ 87.835318][ T5324] ? __lock_acquire+0x6b5/0x2cf0 [ 87.835331][ T5324] ? is_bpf_text_address+0x292/0x2b0 [ 87.835343][ T5324] ? is_bpf_text_address+0x26/0x2b0 [ 87.835356][ T5324] ? kernel_text_address+0xa5/0xe0 [ 87.835371][ T5324] ? __bfs+0x153/0x290 [ 87.835383][ T5324] ? __pfx_hlock_conflict+0x10/0x10 [ 87.835397][ T5324] ? check_path+0x21/0x40 [ 87.835410][ T5324] ? check_noncircular+0xda/0x150 [ 87.835425][ T5324] ? lockdep_unlock+0x5d/0xd0 [ 87.835433][ T5324] ? __lock_acquire+0x146e/0x2cf0 [ 87.835445][ T5324] ? __lock_acquire+0x6b5/0x2cf0 [ 87.835459][ T5324] ? inode_wait_for_writeback+0x16d/0x3b0 [ 87.835475][ T5324] ? __pfx_inode_wait_for_writeback+0x10/0x10 [ 87.835488][ T5324] ? do_raw_spin_lock+0x12b/0x2f0 [ 87.835507][ T5324] ? do_raw_spin_unlock+0x4d/0x210 [ 87.835529][ T5324] ? __pfx_ocfs2_evict_inode+0x10/0x10 [ 87.835537][ T5324] evict+0x61e/0xb10 [ 87.835553][ T5324] ? __pfx_evict+0x10/0x10 [ 87.835565][ T5324] ? _raw_spin_unlock+0x28/0x50 [ 87.835578][ T5324] ? iput+0xb25/0xe80 [ 87.835591][ T5324] ocfs2_dentry_iput+0x24d/0x390 [ 87.835606][ T5324] ? __pfx_ocfs2_dentry_iput+0x10/0x10 [ 87.835621][ T5324] ? fsnotify_destroy_marks+0x81/0x330 [ 87.835639][ T5324] ? dentry_unlink_inode+0x351/0x430 [ 87.835654][ T5324] __dentry_kill+0x1a2/0x690 [ 87.835669][ T5324] ? finish_dput+0xad/0x480 [ 87.835680][ T5324] finish_dput+0xc9/0x480 [ 87.835691][ T5324] __fput+0x691/0xa60 [ 87.835704][ T5324] task_work_run+0x1d9/0x270 [ 87.835720][ T5324] ? __pfx_task_work_run+0x10/0x10 [ 87.835737][ T5324] get_signal+0x11eb/0x1330 [ 87.835749][ T5324] ? do_sendfile+0x6f5/0x7d0 [ 87.835758][ T5324] ? lockdep_hardirqs_on+0x7a/0x110 [ 87.835774][ T5324] arch_do_signal_or_restart+0xbc/0x840 [ 87.835794][ T5324] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 87.835813][ T5324] ? __se_sys_sendfile64+0x144/0x1a0 [ 87.835832][ T5324] exit_to_user_mode_loop+0x8c/0x4d0 [ 87.835843][ T5324] ? rcu_is_watching+0x15/0xb0 [ 87.835856][ T5324] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.835868][ T5324] do_syscall_64+0x33e/0xf80 [ 87.835933][ T5324] ? trace_irq_disable+0x3b/0x140 [ 87.835951][ T5324] ? clear_bhb_loop+0x40/0x90 [ 87.835965][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.835977][ T5324] RIP: 0033:0x7f77c1d9cdd9 [ 87.835988][ 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 [ 87.835997][ T5324] RSP: 002b:00007f77c2b9ffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 87.836011][ T5324] RAX: 00000000001c0000 RBX: 00007f77c2015fa0 RCX: 00007f77c1d9cdd9 [ 87.836021][ T5324] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005 [ 87.836027][ T5324] RBP: 00007f77c1e32d69 R08: 0000000000000000 R09: 0000000000000000 [ 87.836035][ T5324] R10: 0000000000fffe82 R11: 0000000000000246 R12: 0000000000000000 [ 87.836042][ T5324] R13: 00007f77c2016038 R14: 00007f77c2015fa0 R15: 00007fffea99a778 [ 87.836055][ T5324]