loop0: detected capacity change from 0 to 32768 XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a XFS (loop0): Starting recovery (logdev: internal) XFS (loop0): Metadata corruption detected at xfs_agi_verify+0x2de/0x460 fs/xfs/libxfs/xfs_ialloc.c:2683, xfs_agi block 0x2 XFS (loop0): Unmount and run xfs_repair XFS (loop0): First 128 bytes of corrupted metadata buffer: 00000000: 58 41 47 49 00 00 00 01 00 00 00 00 00 00 20 00 XAGI.......... . 00000010: 00 00 00 40 00 00 00 03 00 00 00 01 00 00 00 37 ...@...........7 00000020: 00 00 18 00 ff ff ff ff ff ff ff ff ff ff ff ff ................ 00000030: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ 00000040: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ 00000050: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ 00000060: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ 00000070: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ XFS (loop0): Corruption of in-memory data (0x8) detected at xfs_buf_submit+0x356/0xc10 fs/xfs/xfs_buf.c:1463 (fs/xfs/xfs_buf.c:1463). Shutting down filesystem. XFS (loop0): Please unmount the filesystem and rectify the problem(s) XFS (loop0): log mount/recovery failed: error -117 XFS (loop0): log mount failed 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: Slot 0 on device (7,0) was already allocated to this node! ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. ====================================================== WARNING: possible circular locking dependency detected 6.16.0-rc6-syzkaller-00037-ge2291551827f #0 Not tainted ------------------------------------------------------ syz.0.0/5340 is trying to acquire lock: ffff888032e4e618 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_setattr+0x969/0x1b40 fs/ocfs2/file.c:1263 but task is already holding lock: ffff888043b26a20 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_setattr+0x95a/0x1b40 fs/ocfs2/file.c:1262 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&oi->ip_alloc_sem){+.+.}-{4:4}: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871 down_write+0x96/0x1f0 kernel/locking/rwsem.c:1577 ocfs2_try_remove_refcount_tree+0xb6/0x320 fs/ocfs2/refcounttree.c:932 ocfs2_xattr_set+0x595/0x11f0 fs/ocfs2/xattr.c:3669 ocfs2_set_acl+0x701/0x7b0 fs/ocfs2/acl.c:254 ocfs2_iop_set_acl+0x1aa/0x2a0 fs/ocfs2/acl.c:286 set_posix_acl fs/posix_acl.c:954 [inline] vfs_remove_acl+0x489/0x700 fs/posix_acl.c:1241 ovl_do_remove_acl fs/overlayfs/overlayfs.h:355 [inline] ovl_workdir_create+0x4f3/0x7f0 fs/overlayfs/super.c:353 ovl_make_workdir fs/overlayfs/super.c:669 [inline] ovl_get_workdir+0x32c/0x1730 fs/overlayfs/super.c:827 ovl_fill_super+0x1386/0x35d0 fs/overlayfs/super.c:1406 vfs_get_super fs/super.c:1325 [inline] get_tree_nodev+0xb8/0x150 fs/super.c:1344 vfs_get_tree+0x8f/0x2b0 fs/super.c:1804 do_new_mount+0x24a/0xa40 fs/namespace.c:3902 do_mount fs/namespace.c:4239 [inline] __do_sys_mount fs/namespace.c:4450 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4427 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #3 (&oi->ip_xattr_sem){++++}-{4:4}: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871 down_read+0x46/0x2e0 kernel/locking/rwsem.c:1524 ocfs2_init_acl+0x2f9/0x720 fs/ocfs2/acl.c:366 ocfs2_mknod+0x1321/0x2050 fs/ocfs2/namei.c:410 ocfs2_mkdir+0x191/0x440 fs/ocfs2/namei.c:656 vfs_mkdir+0x303/0x510 fs/namei.c:4375 do_mkdirat+0x247/0x590 fs/namei.c:4408 __do_sys_mkdir fs/namei.c:4430 [inline] __se_sys_mkdir fs/namei.c:4428 [inline] __x64_sys_mkdir+0x6c/0x80 fs/namei.c:4428 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #2 (jbd2_handle){.+.+}-{0:0}: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871 start_this_handle+0x1fa7/0x21c0 fs/jbd2/transaction.c:444 jbd2__journal_start+0x2c1/0x5b0 fs/jbd2/transaction.c:501 jbd2_journal_start+0x2a/0x40 fs/jbd2/transaction.c:540 ocfs2_start_trans+0x376/0x6d0 fs/ocfs2/journal.c:374 ocfs2_mknod+0xe93/0x2050 fs/ocfs2/namei.c:361 ocfs2_mkdir+0x191/0x440 fs/ocfs2/namei.c:656 vfs_mkdir+0x303/0x510 fs/namei.c:4375 do_mkdirat+0x247/0x590 fs/namei.c:4408 __do_sys_mkdir fs/namei.c:4430 [inline] __se_sys_mkdir fs/namei.c:4428 [inline] __x64_sys_mkdir+0x6c/0x80 fs/namei.c:4428 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #1 (&journal->j_trans_barrier){.+.+}-{4:4}: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871 down_read+0x46/0x2e0 kernel/locking/rwsem.c:1524 ocfs2_start_trans+0x36a/0x6d0 fs/ocfs2/journal.c:372 ocfs2_mknod+0xe93/0x2050 fs/ocfs2/namei.c:361 ocfs2_mkdir+0x191/0x440 fs/ocfs2/namei.c:656 vfs_mkdir+0x303/0x510 fs/namei.c:4375 do_mkdirat+0x247/0x590 fs/namei.c:4408 __do_sys_mkdir fs/namei.c:4430 [inline] __se_sys_mkdir fs/namei.c:4428 [inline] __x64_sys_mkdir+0x6c/0x80 fs/namei.c:4428 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (sb_internal#2){.+.+}-{0:0}: check_prev_add kernel/locking/lockdep.c:3168 [inline] check_prevs_add kernel/locking/lockdep.c:3287 [inline] validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3911 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871 percpu_down_read_internal include/linux/percpu-rwsem.h:53 [inline] percpu_down_read_freezable include/linux/percpu-rwsem.h:83 [inline] __sb_start_write include/linux/fs.h:1795 [inline] sb_start_intwrite include/linux/fs.h:1978 [inline] ocfs2_start_trans+0x26b/0x6d0 fs/ocfs2/journal.c:370 ocfs2_setattr+0x969/0x1b40 fs/ocfs2/file.c:1263 notify_change+0xb33/0xe40 fs/attr.c:552 ovl_do_notify_change fs/overlayfs/overlayfs.h:203 [inline] ovl_workdir_create+0x658/0x7f0 fs/overlayfs/super.c:363 ovl_make_workdir fs/overlayfs/super.c:669 [inline] ovl_get_workdir+0x32c/0x1730 fs/overlayfs/super.c:827 ovl_fill_super+0x1386/0x35d0 fs/overlayfs/super.c:1406 vfs_get_super fs/super.c:1325 [inline] get_tree_nodev+0xb8/0x150 fs/super.c:1344 vfs_get_tree+0x8f/0x2b0 fs/super.c:1804 do_new_mount+0x24a/0xa40 fs/namespace.c:3902 do_mount fs/namespace.c:4239 [inline] __do_sys_mount fs/namespace.c:4450 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4427 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 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: sb_internal#2 --> &oi->ip_xattr_sem --> &oi->ip_alloc_sem Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&oi->ip_alloc_sem); lock(&oi->ip_xattr_sem); lock(&oi->ip_alloc_sem); rlock(sb_internal#2); *** DEADLOCK *** 5 locks held by syz.0.0/5340: #0: ffff88801f9680e0 (&type->s_umount_key#50/1){+.+.}-{4:4}, at: alloc_super+0x204/0x970 fs/super.c:345 #1: ffff888032e4e428 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 fs/namespace.c:557 #2: ffff888043b25100 (&sb->s_type->i_mutex_key#21/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:914 [inline] #2: ffff888043b25100 (&sb->s_type->i_mutex_key#21/1){+.+.}-{4:4}, at: ovl_workdir_create+0x133/0x7f0 fs/overlayfs/super.c:302 #3: ffff888043b26d80 (&sb->s_type->i_mutex_key#22){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:869 [inline] #3: ffff888043b26d80 (&sb->s_type->i_mutex_key#22){+.+.}-{4:4}, at: ovl_workdir_create+0x5f7/0x7f0 fs/overlayfs/super.c:362 #4: ffff888043b26a20 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_setattr+0x95a/0x1b40 fs/ocfs2/file.c:1262 stack backtrace: CPU: 0 UID: 0 PID: 5340 Comm: syz.0.0 Not tainted 6.16.0-rc6-syzkaller-00037-ge2291551827f #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_lvl+0x189/0x250 lib/dump_stack.c:120 print_circular_bug+0x2ee/0x310 kernel/locking/lockdep.c:2046 check_noncircular+0x134/0x160 kernel/locking/lockdep.c:2178 check_prev_add kernel/locking/lockdep.c:3168 [inline] check_prevs_add kernel/locking/lockdep.c:3287 [inline] validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3911 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871 percpu_down_read_internal include/linux/percpu-rwsem.h:53 [inline] percpu_down_read_freezable include/linux/percpu-rwsem.h:83 [inline] __sb_start_write include/linux/fs.h:1795 [inline] sb_start_intwrite include/linux/fs.h:1978 [inline] ocfs2_start_trans+0x26b/0x6d0 fs/ocfs2/journal.c:370 ocfs2_setattr+0x969/0x1b40 fs/ocfs2/file.c:1263 notify_change+0xb33/0xe40 fs/attr.c:552 ovl_do_notify_change fs/overlayfs/overlayfs.h:203 [inline] ovl_workdir_create+0x658/0x7f0 fs/overlayfs/super.c:363 ovl_make_workdir fs/overlayfs/super.c:669 [inline] ovl_get_workdir+0x32c/0x1730 fs/overlayfs/super.c:827 ovl_fill_super+0x1386/0x35d0 fs/overlayfs/super.c:1406 vfs_get_super fs/super.c:1325 [inline] get_tree_nodev+0xb8/0x150 fs/super.c:1344 vfs_get_tree+0x8f/0x2b0 fs/super.c:1804 do_new_mount+0x24a/0xa40 fs/namespace.c:3902 do_mount fs/namespace.c:4239 [inline] __do_sys_mount fs/namespace.c:4450 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4427 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f356e58e929 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:00007f356f404038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f356e7b5fa0 RCX: 00007f356e58e929 RDX: 0000200000000080 RSI: 00002000000000c0 RDI: 0000000000000000 RBP: 00007f356e610ca1 R08: 0000200000000200 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f356e7b5fa0 R15: 00007fffcedc2478 overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support RENAME_WHITEOUT. overlayfs: upper fs missing required features.