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&(0x7f0000001080)="$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") renameat2(0xffffffffffffff9c, &(0x7f0000000080)='./file0/file0\x00', 0xffffffffffffff9c, &(0x7f0000001240)='./file1\x00', 0x2) r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x141042, 0x0) pwritev2(r0, &(0x7f00000001c0)=[{&(0x7f0000000080)="ff", 0xfdef}], 0x1, 0xe7b, 0x0, 0x0) syz_mount_image$erofs(&(0x7f00000012c0), &(0x7f0000000240)='./file0\x00', 0x2000400, &(0x7f00000004c0)=ANY=[], 0x1, 0x235, &(0x7f0000000b00)="$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") lchown(0x0, 0x0, 0xee01) r1 = open_tree(0xffffffffffffff9c, &(0x7f0000000640)='\x00', 0x89901) move_mount(r1, &(0x7f0000000140)='.\x00', 0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file1\x00', 0xa01, 0x1fe) creat(&(0x7f0000000200)='./file0\x00', 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) bpf$MAP_CREATE_RINGBUF(0x0, &(0x7f00000007c0)={0x1b, 0x0, 0x0, 0x40000, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) bpf$BPF_MAP_GET_NEXT_ID(0xc, &(0x7f0000000040)={0x1}, 0x8) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0x0, r3, 0xee00) lchown(&(0x7f00000006c0)='./file0\x00', 0x0, 0xee01) [ 86.588413][ T5305] Bluetooth: hci0: command tx timeout [ 86.678139][ T9] cfg80211: failed to load regulatory.db [ 87.059331][ T5327] loop0: detected capacity change from 0 to 32768 [ 87.115712][ T5327] ======================================================= [ 87.115712][ T5327] WARNING: The mand mount option has been deprecated and [ 87.115712][ T5327] and is ignored by this kernel. Remove the mand [ 87.115712][ T5327] option from the mount to silence this warning. [ 87.115712][ T5327] ======================================================= [ 87.194283][ T5327] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 87.291681][ T5327] [ 87.292805][ T5327] ====================================================== [ 87.295862][ T5327] WARNING: possible circular locking dependency detected [ 87.298850][ T5327] syzkaller #0 Not tainted [ 87.300561][ T5327] ------------------------------------------------------ [ 87.303504][ T5327] syz.0.0/5327 is trying to acquire lock: [ 87.305828][ T5327] ffff8880110a3f60 (&oi->ip_alloc_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 87.313563][ T5327] [ 87.313563][ T5327] but task is already holding lock: [ 87.316856][ T5327] ffff8880110a3ff8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320 [ 87.321408][ T5327] [ 87.321408][ T5327] which lock already depends on the new lock. [ 87.321408][ T5327] [ 87.325821][ T5327] [ 87.325821][ T5327] the existing dependency chain (in reverse order) is: [ 87.329129][ T5327] [ 87.329129][ T5327] -> #4 (&oi->ip_xattr_sem){++++}-{4:4}: [ 87.332117][ T5327] lock_acquire+0x120/0x360 [ 87.334320][ T5327] down_read+0x46/0x2e0 [ 87.336387][ T5327] ocfs2_init_acl+0x2f9/0x720 [ 87.338532][ T5327] ocfs2_mknod+0x1321/0x2050 [ 87.340675][ T5327] ocfs2_create+0x1a5/0x440 [ 87.342762][ T5327] path_openat+0x14f1/0x3830 [ 87.344965][ T5327] do_filp_open+0x1fa/0x410 [ 87.347193][ T5327] do_sys_openat2+0x121/0x1c0 [ 87.349378][ T5327] __x64_sys_openat+0x138/0x170 [ 87.351756][ T5327] do_syscall_64+0xfa/0xfa0 [ 87.354047][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.357225][ T5327] [ 87.357225][ T5327] -> #3 (jbd2_handle){++++}-{0:0}: [ 87.360350][ T5327] lock_acquire+0x120/0x360 [ 87.362569][ T5327] start_this_handle+0x1fa7/0x21c0 [ 87.365025][ T5327] jbd2__journal_start+0x2c1/0x5b0 [ 87.367634][ T5327] jbd2_journal_start+0x2a/0x40 [ 87.370053][ T5327] ocfs2_start_trans+0x376/0x6d0 [ 87.372424][ T5327] ocfs2_mknod+0xe93/0x2050 [ 87.374658][ T5327] ocfs2_create+0x1a5/0x440 [ 87.377090][ T5327] path_openat+0x14f1/0x3830 [ 87.379351][ T5327] do_filp_open+0x1fa/0x410 [ 87.381550][ T5327] do_sys_openat2+0x121/0x1c0 [ 87.383637][ T5327] __x64_sys_openat+0x138/0x170 [ 87.385811][ T5327] do_syscall_64+0xfa/0xfa0 [ 87.387981][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.390564][ T5327] [ 87.390564][ T5327] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 87.394077][ T5327] lock_acquire+0x120/0x360 [ 87.396197][ T5327] down_read+0x46/0x2e0 [ 87.398180][ T5327] ocfs2_start_trans+0x36a/0x6d0 [ 87.400575][ T5327] ocfs2_mknod+0xe93/0x2050 [ 87.402830][ T5327] ocfs2_create+0x1a5/0x440 [ 87.405054][ T5327] path_openat+0x14f1/0x3830 [ 87.407310][ T5327] do_filp_open+0x1fa/0x410 [ 87.409460][ T5327] do_sys_openat2+0x121/0x1c0 [ 87.411721][ T5327] __x64_sys_openat+0x138/0x170 [ 87.414029][ T5327] do_syscall_64+0xfa/0xfa0 [ 87.416130][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.418821][ T5327] [ 87.418821][ T5327] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 87.422084][ T5327] reacquire_held_locks+0x127/0x1d0 [ 87.424537][ T5327] lock_release+0x1b4/0x3e0 [ 87.426762][ T5327] up_write+0x2d/0x420 [ 87.428722][ T5327] ocfs2_free_alloc_context+0x97/0x1a0 [ 87.431310][ T5327] ocfs2_write_begin_nolock+0x4296/0x4340 [ 87.434021][ T5327] ocfs2_write_begin+0x1bb/0x310 [ 87.436311][ T5327] generic_perform_write+0x2c2/0x900 [ 87.438788][ T5327] ocfs2_file_write_iter+0x157a/0x1d10 [ 87.441330][ T5327] do_iter_readv_writev+0x623/0x8c0 [ 87.443802][ T5327] vfs_writev+0x31a/0x960 [ 87.445737][ T5327] __se_sys_pwritev2+0x179/0x290 [ 87.447921][ T5327] do_syscall_64+0xfa/0xfa0 [ 87.450126][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.452772][ T5327] [ 87.452772][ T5327] -> #0 (&oi->ip_alloc_sem){++++}-{4:4}: [ 87.456012][ T5327] validate_chain+0xb9b/0x2140 [ 87.458263][ T5327] __lock_acquire+0xab9/0xd20 [ 87.460896][ T5327] lock_acquire+0x120/0x360 [ 87.463535][ T5327] down_write+0x96/0x1f0 [ 87.465392][ T5327] ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 87.467935][ T5327] ocfs2_truncate_file+0xda0/0x1420 [ 87.470220][ T5327] ocfs2_setattr+0x1520/0x1b40 [ 87.472473][ T5327] notify_change+0xb33/0xe40 [ 87.474514][ T5327] do_truncate+0x1a4/0x220 [ 87.476459][ T5327] path_openat+0x306c/0x3830 [ 87.478637][ T5327] do_filp_open+0x1fa/0x410 [ 87.480777][ T5327] do_sys_openat2+0x121/0x1c0 [ 87.482969][ T5327] __x64_sys_openat+0x138/0x170 [ 87.485163][ T5327] do_syscall_64+0xfa/0xfa0 [ 87.487288][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.490147][ T5327] [ 87.490147][ T5327] other info that might help us debug this: [ 87.490147][ T5327] [ 87.494544][ T5327] Chain exists of: [ 87.494544][ T5327] &oi->ip_alloc_sem --> jbd2_handle --> &oi->ip_xattr_sem [ 87.494544][ T5327] [ 87.499905][ T5327] Possible unsafe locking scenario: [ 87.499905][ T5327] [ 87.503047][ T5327] CPU0 CPU1 [ 87.505300][ T5327] ---- ---- [ 87.507639][ T5327] lock(&oi->ip_xattr_sem); [ 87.509689][ T5327] lock(jbd2_handle); [ 87.512559][ T5327] lock(&oi->ip_xattr_sem); [ 87.515553][ T5327] lock(&oi->ip_alloc_sem); [ 87.517802][ T5327] [ 87.517802][ T5327] *** DEADLOCK *** [ 87.517802][ T5327] [ 87.521371][ T5327] 3 locks held by syz.0.0/5327: [ 87.523621][ T5327] #0: ffff88803e55e420 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 87.527398][ T5327] #1: ffff8880110a42c0 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: do_truncate+0x171/0x220 [ 87.531265][ T5327] #2: ffff8880110a3ff8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320 [ 87.535752][ T5327] [ 87.535752][ T5327] stack backtrace: [ 87.538266][ T5327] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 87.538281][ T5327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 87.538292][ T5327] Call Trace: [ 87.538301][ T5327] [ 87.538307][ T5327] dump_stack_lvl+0x189/0x250 [ 87.538323][ T5327] ? __pfx_dump_stack_lvl+0x10/0x10 [ 87.538335][ T5327] ? __pfx__printk+0x10/0x10 [ 87.538347][ T5327] ? print_lock_name+0xde/0x100 [ 87.538357][ T5327] print_circular_bug+0x2ee/0x310 [ 87.538367][ T5327] check_noncircular+0x134/0x160 [ 87.538378][ T5327] validate_chain+0xb9b/0x2140 [ 87.538389][ T5327] __lock_acquire+0xab9/0xd20 [ 87.538400][ T5327] ? ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 87.538409][ T5327] lock_acquire+0x120/0x360 [ 87.538418][ T5327] ? ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 87.538431][ T5327] down_write+0x96/0x1f0 [ 87.538439][ T5327] ? ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 87.538450][ T5327] ? __pfx_down_write+0x10/0x10 [ 87.538461][ T5327] ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 87.538474][ T5327] ? __pfx_ocfs2_try_remove_refcount_tree+0x10/0x10 [ 87.538491][ T5327] ? up_write+0x1c4/0x420 [ 87.538505][ T5327] ocfs2_truncate_file+0xda0/0x1420 [ 87.538518][ T5327] ? __pfx_ocfs2_truncate_file+0x10/0x10 [ 87.538528][ T5327] ? do_raw_spin_unlock+0x4d/0x240 [ 87.538539][ T5327] ? _raw_spin_unlock+0x28/0x50 [ 87.538552][ T5327] ? ocfs2_inode_lock_tracker+0x3ec/0x660 [ 87.538566][ T5327] ? __pfx_ocfs2_inode_lock_tracker+0x10/0x10 [ 87.538577][ T5327] ? ocfs2_rw_lock+0x13a/0x240 [ 87.538587][ T5327] ? __pfx___dquot_initialize+0x10/0x10 [ 87.538602][ T5327] ? __pfx_ocfs2_rw_lock+0x10/0x10 [ 87.538611][ T5327] ? setattr_prepare+0x1e7/0xac0 [ 87.538623][ T5327] ? jbd2_journal_begin_ordered_truncate+0xbb/0x150 [ 87.538639][ T5327] ocfs2_setattr+0x1520/0x1b40 [ 87.538651][ T5327] ? __pfx_ocfs2_setattr+0x10/0x10 [ 87.538661][ T5327] ? ktime_get_coarse_real_ts64_mg+0x59/0x1e0 [ 87.538674][ T5327] ? seqcount_lockdep_reader_access+0x174/0x1c0 [ 87.538690][ T5327] ? ktime_get_coarse_real_ts64_mg+0x1c5/0x1e0 [ 87.538703][ T5327] ? current_time+0x222/0x370 [ 87.538714][ T5327] ? evm_inode_setattr+0x1b6/0x7d0 [ 87.538726][ T5327] ? __pfx_current_time+0x10/0x10 [ 87.538740][ T5327] ? try_break_deleg+0x79/0x130 [ 87.538749][ T5327] ? __pfx_ocfs2_setattr+0x10/0x10 [ 87.538758][ T5327] notify_change+0xb33/0xe40 [ 87.538770][ T5327] do_truncate+0x1a4/0x220 [ 87.538781][ T5327] ? __pfx_do_truncate+0x10/0x10 [ 87.538787][ T5327] ? apparmor_file_truncate+0x23e/0x2d0 [ 87.538802][ T5327] path_openat+0x306c/0x3830 [ 87.538813][ T5327] ? __pfx_path_openat+0x10/0x10 [ 87.538820][ T5327] do_filp_open+0x1fa/0x410 [ 87.538826][ T5327] ? __lock_acquire+0xab9/0xd20 [ 87.538837][ T5327] ? __pfx_do_filp_open+0x10/0x10 [ 87.538860][ T5327] ? _raw_spin_unlock+0x28/0x50 [ 87.538877][ T5327] ? alloc_fd+0x64c/0x6c0 [ 87.538892][ T5327] do_sys_openat2+0x121/0x1c0 [ 87.538907][ T5327] ? __pfx_do_sys_openat2+0x10/0x10 [ 87.538928][ T5327] ? rcu_is_watching+0x15/0xb0 [ 87.538937][ T5327] __x64_sys_openat+0x138/0x170 [ 87.538949][ T5327] do_syscall_64+0xfa/0xfa0 [ 87.538956][ T5327] ? lockdep_hardirqs_on+0x9c/0x150 [ 87.538966][ T5327] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.538972][ T5327] ? clear_bhb_loop+0x60/0xb0 [ 87.538982][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.538991][ T5327] RIP: 0033:0x7f1d6478eec9 [ 87.539001][ T5327] 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 [ 87.539010][ T5327] RSP: 002b:00007f1d655f1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 87.539022][ T5327] RAX: ffffffffffffffda RBX: 00007f1d649e5fa0 RCX: 00007f1d6478eec9 [ 87.539031][ T5327] RDX: 0000000000000a01 RSI: 00002000000000c0 RDI: ffffffffffffff9c [ 87.539038][ T5327] RBP: 00007f1d64811f91 R08: 0000000000000000 R09: 0000000000000000 [ 87.539045][ T5327] R10: 00000000000001fe R11: 0000000000000246 R12: 0000000000000000 [ 87.539052][ T5327] R13: 00007f1d649e6038 R14: 00007f1d649e5fa0 R15: 00007ffcc70e2778 [ 87.539063][ T5327] [ 87.723875][ T5328] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list