done bcachefs (loop0): check_topology... bcachefs (loop0): btree root extents unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=extents level=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c6c25c03258c59c5 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0 Topology repair: unreadable btree node at btree=extents level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c6c25c03258c59c5 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0, fixing empty interior btree node at btree=extents level=1 u64s 5 type btree_ptr SPOS_MAX len 0 ver 0, fixing bcachefs (loop0): empty btree root extents bcachefs (loop0): btree root deleted_inodes unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=deleted_inodes level=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 U64_MAX:U64_MAX:4278386687 len 0 ver 0: seq ac62141f8dc7e261 written 24 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0 bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1db8f60c84bb244c written 8 min_key R U64_MAX:U64_MAX:4278386688 durability: 1 ptr: 0:42:0 gen 0 done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... bucket 0:38 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0, fixing bucket 0:41 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 9aa2895aefce4bdf written 24 min_key POS_MIN durability: 1 ptr: 0:41:0 gen 0, fixing bucket 0:31 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0, fixing bucket 0:35 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0, fixing bucket 0:32 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ebb8d5a9e3463bdb written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0, fixing bucket 0:26 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 U64_MAX:U64_MAX:4278386687 len 0 ver 0: seq ac62141f8dc7e261 written 24 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0, fixing done bcachefs (loop0): going read-write bcachefs (loop0): journal_replay... bcachefs (loop0): bch2_journal_replay(): error erofs_journal_err bcachefs (loop0): bch2_fs_recovery(): error erofs_journal_err bcachefs (loop0): bch2_fs_start(): error starting filesystem erofs_journal_err bcachefs (loop0): shutting down bcachefs (loop0): shutdown complete bcachefs: bch2_fs_get_tree() error: erofs_journal_err loop0: detected capacity change from 0 to 32768 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list ====================================================== WARNING: possible circular locking dependency detected 6.14.0-syzkaller-05877-g1a9239bb4253 #0 Not tainted ------------------------------------------------------ syz.0.0/5318 is trying to acquire lock: ffff88805192b480 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline] ffff88805192b480 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{4:4}, at: ocfs2_xattr_set+0xea2/0x1940 fs/ocfs2/xattr.c:3622 but task is already holding lock: ffff88805192ce38 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_xattr_set+0x635/0x1940 fs/ocfs2/xattr.c:3583 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&oi->ip_xattr_sem){++++}-{4:4}: lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866 down_read+0xb3/0xae0 kernel/locking/rwsem.c:1524 ocfs2_init_acl+0x39d/0x960 fs/ocfs2/acl.c:366 ocfs2_mknod+0x1c09/0x2b30 fs/ocfs2/namei.c:410 ocfs2_create+0x1ad/0x480 fs/ocfs2/namei.c:673 lookup_open fs/namei.c:3666 [inline] open_last_lookups fs/namei.c:3765 [inline] path_openat+0x194b/0x35d0 fs/namei.c:4001 do_filp_open+0x284/0x4e0 fs/namei.c:4031 do_sys_openat2+0x12b/0x1d0 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __x64_sys_openat+0x249/0x2a0 fs/open.c:1455 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #3 (jbd2_handle){++++}-{0:0}: lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866 start_this_handle+0x1f30/0x21e0 fs/jbd2/transaction.c:448 jbd2__journal_start+0x2da/0x5d0 fs/jbd2/transaction.c:505 jbd2_journal_start+0x29/0x40 fs/jbd2/transaction.c:544 ocfs2_start_trans+0x3cd/0x710 fs/ocfs2/journal.c:352 ocfs2_mknod+0x1510/0x2b30 fs/ocfs2/namei.c:361 ocfs2_create+0x1ad/0x480 fs/ocfs2/namei.c:673 lookup_open fs/namei.c:3666 [inline] open_last_lookups fs/namei.c:3765 [inline] path_openat+0x194b/0x35d0 fs/namei.c:4001 do_filp_open+0x284/0x4e0 fs/namei.c:4031 do_sys_openat2+0x12b/0x1d0 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __x64_sys_openat+0x249/0x2a0 fs/open.c:1455 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866 down_read+0xb3/0xae0 kernel/locking/rwsem.c:1524 ocfs2_start_trans+0x3c2/0x710 fs/ocfs2/journal.c:350 ocfs2_mknod+0x1510/0x2b30 fs/ocfs2/namei.c:361 ocfs2_create+0x1ad/0x480 fs/ocfs2/namei.c:673 lookup_open fs/namei.c:3666 [inline] open_last_lookups fs/namei.c:3765 [inline] path_openat+0x194b/0x35d0 fs/namei.c:4001 do_filp_open+0x284/0x4e0 fs/namei.c:4031 do_sys_openat2+0x12b/0x1d0 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __x64_sys_openat+0x249/0x2a0 fs/open.c:1455 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #1 (sb_internal#2){.+.+}-{0:0}: lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866 percpu_down_read include/linux/percpu-rwsem.h:52 [inline] __sb_start_write include/linux/fs.h:1775 [inline] sb_start_intwrite include/linux/fs.h:1958 [inline] ocfs2_start_trans+0x2bd/0x710 fs/ocfs2/journal.c:348 ocfs2_move_extent fs/ocfs2/move_extents.c:642 [inline] __ocfs2_move_extents_range+0x1f59/0x4470 fs/ocfs2/move_extents.c:860 ocfs2_move_extents+0x3f0/0xac0 fs/ocfs2/move_extents.c:927 ocfs2_ioctl_move_extents+0x61c/0x840 fs/ocfs2/move_extents.c:1053 ocfs2_ioctl+0x19b/0x7f0 fs/ocfs2/ioctl.c:946 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{4:4}: check_prev_add kernel/locking/lockdep.c:3166 [inline] check_prevs_add kernel/locking/lockdep.c:3285 [inline] validate_chain+0xa69/0x24e0 kernel/locking/lockdep.c:3909 __lock_acquire+0xad5/0xd80 kernel/locking/lockdep.c:5235 lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866 down_write+0x9c/0x220 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:867 [inline] ocfs2_xattr_set+0xea2/0x1940 fs/ocfs2/xattr.c:3622 __vfs_setxattr+0x468/0x4a0 fs/xattr.c:200 __vfs_setxattr_noperm+0x12e/0x660 fs/xattr.c:234 vfs_setxattr+0x223/0x430 fs/xattr.c:321 do_setxattr fs/xattr.c:636 [inline] filename_setxattr+0x2dd/0x480 fs/xattr.c:665 path_setxattrat+0x3f7/0x4c0 fs/xattr.c:713 __do_sys_lsetxattr fs/xattr.c:754 [inline] __se_sys_lsetxattr fs/xattr.c:750 [inline] __x64_sys_lsetxattr+0xbf/0xe0 fs/xattr.c:750 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Chain exists of: &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6 --> jbd2_handle --> &oi->ip_xattr_sem Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&oi->ip_xattr_sem); lock(jbd2_handle); lock(&oi->ip_xattr_sem); lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6); *** DEADLOCK *** 3 locks held by syz.0.0/5318: #0: ffff888000210420 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:556 #1: ffff88805192d100 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline] #1: ffff88805192d100 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: vfs_setxattr+0x1e3/0x430 fs/xattr.c:320 #2: ffff88805192ce38 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_xattr_set+0x635/0x1940 fs/ocfs2/xattr.c:3583 stack backtrace: CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-05877-g1a9239bb4253 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_circular_bug+0x2e1/0x300 kernel/locking/lockdep.c:2079 check_noncircular+0x142/0x160 kernel/locking/lockdep.c:2211 check_prev_add kernel/locking/lockdep.c:3166 [inline] check_prevs_add kernel/locking/lockdep.c:3285 [inline] validate_chain+0xa69/0x24e0 kernel/locking/lockdep.c:3909 __lock_acquire+0xad5/0xd80 kernel/locking/lockdep.c:5235 lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866 down_write+0x9c/0x220 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:867 [inline] ocfs2_xattr_set+0xea2/0x1940 fs/ocfs2/xattr.c:3622 __vfs_setxattr+0x468/0x4a0 fs/xattr.c:200 __vfs_setxattr_noperm+0x12e/0x660 fs/xattr.c:234 vfs_setxattr+0x223/0x430 fs/xattr.c:321 do_setxattr fs/xattr.c:636 [inline] filename_setxattr+0x2dd/0x480 fs/xattr.c:665 path_setxattrat+0x3f7/0x4c0 fs/xattr.c:713 __do_sys_lsetxattr fs/xattr.c:754 [inline] __se_sys_lsetxattr fs/xattr.c:750 [inline] __x64_sys_lsetxattr+0xbf/0xe0 fs/xattr.c:750 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1ef818d169 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 RSP: 002b:00007f1ef8fe6038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd RAX: ffffffffffffffda RBX: 00007f1ef83a5fa0 RCX: 00007f1ef818d169 RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000200000000280 RBP: 00007f1ef820e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1ef83a5fa0 R15: 00007ffdc45c8418