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. (syz.0.0,5114,0):ocfs2_read_blocks:240 ERROR: status = -12 ===================================== WARNING: bad unlock balance detected! 6.11.0-rc7-syzkaller-00097-g196145c606d0 #0 Not tainted ------------------------------------- syz.0.0/5114 is trying to release lock (&oi->ip_io_mutex) at: [] ocfs2_read_blocks+0x11c6/0x1620 fs/ocfs2/buffer_head_io.c:394 but there are no more locks to release! other info that might help us debug this: 8 locks held by syz.0.0/5114: #0: ffff88804b490420 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515 #1: ffff88801fe542c0 (&sb->s_type->i_mutex_key#19){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:800 [inline] #1: ffff88801fe542c0 (&sb->s_type->i_mutex_key#19){+.+.}-{3:3}, at: vfs_setxattr+0x1e1/0x430 fs/xattr.c:320 #2: ffff88801fe53ff8 (&oi->ip_xattr_sem){++++}-{3:3}, at: ocfs2_xattr_set+0x633/0x1930 fs/ocfs2/xattr.c:3584 #3: ffff888041906d80 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:800 [inline] #3: ffff888041906d80 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: ocfs2_reserve_suballoc_bits+0x192/0x4eb0 fs/ocfs2/suballoc.c:786 #4: ffff888041905100 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:800 [inline] #4: ffff888041905100 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{3:3}, at: ocfs2_reserve_suballoc_bits+0x192/0x4eb0 fs/ocfs2/suballoc.c:786 #5: ffff88804b490610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_block_group_alloc fs/ocfs2/suballoc.c:685 [inline] #5: ffff88804b490610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_reserve_suballoc_bits+0x9f6/0x4eb0 fs/ocfs2/suballoc.c:832 #6: ffff888035117ce8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3be/0x700 fs/ocfs2/journal.c:350 #7: ffff88801df6a958 (jbd2_handle){.+.+}-{0:0}, at: start_this_handle+0x1e94/0x2110 fs/jbd2/transaction.c:448 stack backtrace: CPU: 0 UID: 0 PID: 5114 Comm: syz.0.0 Not tainted 6.11.0-rc7-syzkaller-00097-g196145c606d0 #0 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:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 print_unlock_imbalance_bug+0x256/0x2c0 kernel/locking/lockdep.c:5199 __lock_release kernel/locking/lockdep.c:5436 [inline] lock_release+0x5cb/0xa30 kernel/locking/lockdep.c:5780 __mutex_unlock_slowpath+0xe2/0x750 kernel/locking/mutex.c:912 ocfs2_read_blocks+0x11c6/0x1620 fs/ocfs2/buffer_head_io.c:394 ocfs2_read_block fs/ocfs2/buffer_head_io.h:52 [inline] ocfs2_read_group_descriptor fs/ocfs2/suballoc.c:303 [inline] ocfs2_search_chain+0x2d3/0x26d0 fs/ocfs2/suballoc.c:1810 ocfs2_claim_suballoc_bits+0x11ef/0x2570 fs/ocfs2/suballoc.c:1985 __ocfs2_claim_clusters+0x332/0xa40 fs/ocfs2/suballoc.c:2395 ocfs2_claim_clusters fs/ocfs2/suballoc.c:2432 [inline] ocfs2_block_group_alloc_contig fs/ocfs2/suballoc.c:432 [inline] ocfs2_block_group_alloc fs/ocfs2/suballoc.c:699 [inline] ocfs2_reserve_suballoc_bits+0x1161/0x4eb0 fs/ocfs2/suballoc.c:832 ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 fs/ocfs2/suballoc.c:982 ocfs2_init_xattr_set_ctxt+0x3a6/0x900 fs/ocfs2/xattr.c:3278 ocfs2_xattr_set+0xf4e/0x1930 fs/ocfs2/xattr.c:3635 __vfs_setxattr+0x468/0x4a0 fs/xattr.c:200 __vfs_setxattr_noperm+0x12e/0x660 fs/xattr.c:234 vfs_setxattr+0x221/0x430 fs/xattr.c:321 do_setxattr fs/xattr.c:629 [inline] path_setxattr+0x37e/0x4d0 fs/xattr.c:658 __do_sys_setxattr fs/xattr.c:676 [inline] __se_sys_setxattr fs/xattr.c:672 [inline] __x64_sys_setxattr+0xbb/0xd0 fs/xattr.c:672 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2e5f97def9 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:00007f2e6076b038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 00007f2e5fb35f80 RCX: 00007f2e5f97def9 RDX: 0000000020000200 RSI: 00000000200001c0 RDI: 0000000020000000 RBP: 00007f2e5f9f0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000841 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2e5fb35f80 R15: 00007ffd5fee25c8 (syz.0.0,5114,0):ocfs2_search_chain:1814 ERROR: status = -12 (syz.0.0,5114,0):ocfs2_search_chain:1926 ERROR: status = -12 (syz.0.0,5114,0):ocfs2_claim_suballoc_bits:1995 ERROR: status = -12 (syz.0.0,5114,0):ocfs2_claim_suballoc_bits:2038 ERROR: status = -12 (syz.0.0,5114,0):__ocfs2_claim_clusters:2412 ERROR: status = -12 (syz.0.0,5114,0):__ocfs2_claim_clusters:2420 ERROR: status = -12 (syz.0.0,5114,0):ocfs2_block_group_alloc_contig:437 ERROR: status = -12 (syz.0.0,5114,0):ocfs2_block_group_alloc:709 ERROR: status = -12 (syz.0.0,5114,0):ocfs2_block_group_alloc:762 ERROR: status = -12 (syz.0.0,5114,0):ocfs2_reserve_suballoc_bits:837 ERROR: status = -12 (syz.0.0,5114,0):ocfs2_reserve_suballoc_bits:854 ERROR: status = -12 (syz.0.0,5114,0):ocfs2_reserve_new_metadata_blocks:994 ERROR: status = -12 (syz.0.0,5114,0):ocfs2_reserve_new_metadata_blocks:1017 ERROR: status = -12 (syz.0.0,5114,0):ocfs2_init_xattr_set_ctxt:3281 ERROR: status = -12 (syz.0.0,5114,0):ocfs2_xattr_set:3638 ERROR: status = -12