loop0: detected capacity change from 0 to 64 ======================================================= 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. ======================================================= hfs: Unknown parameter 'hfs' loop0: detected capacity change from 0 to 262144 JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. ====================================================== WARNING: possible circular locking dependency detected 6.13.0-rc3-syzkaller-00136-g8faabc041a00 #0 Not tainted ------------------------------------------------------ syz.0.0/5312 is trying to acquire lock: ffff8880450fc2c0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] ffff8880450fc2c0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{4:4}, at: ocfs2_reserve_local_alloc_bits+0x132/0x2840 fs/ocfs2/localalloc.c:636 but task is already holding lock: ffff88804513b120 (&oi->ip_alloc_sem){++++}-{4:4}, at: ocfs2_dio_wr_get_block+0x96f/0x18d0 fs/ocfs2/aops.c:2223 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+0x1ed/0x550 kernel/locking/lockdep.c:5849 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 ocfs2_xattr_ibody_set+0x12c/0xd00 fs/ocfs2/xattr.c:2783 __ocfs2_xattr_set_handle+0x128/0x10a0 fs/ocfs2/xattr.c:3322 ocfs2_xattr_set+0x128c/0x1930 fs/ocfs2/xattr.c:3650 __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:636 [inline] filename_setxattr+0x2af/0x430 fs/xattr.c:665 path_setxattrat+0x440/0x510 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/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #3 (jbd2_handle){++++}-{0:0}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 start_this_handle+0x1eb4/0x2110 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+0x3c9/0x700 fs/ocfs2/journal.c:352 ocfs2_modify_bh+0xed/0x4d0 fs/ocfs2/quota_local.c:101 ocfs2_local_read_info+0x158f/0x19f0 fs/ocfs2/quota_local.c:771 dquot_load_quota_sb+0x762/0xbb0 fs/quota/dquot.c:2459 dquot_load_quota_inode+0x320/0x600 fs/quota/dquot.c:2496 ocfs2_enable_quotas+0x169/0x450 fs/ocfs2/super.c:926 ocfs2_fill_super+0x4ca1/0x5760 fs/ocfs2/super.c:1141 mount_bdev+0x20a/0x2d0 fs/super.c:1693 legacy_get_tree+0xee/0x190 fs/fs_context.c:662 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034 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 -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 down_read+0xb1/0xa40 kernel/locking/rwsem.c:1524 ocfs2_start_trans+0x3be/0x700 fs/ocfs2/journal.c:350 ocfs2_modify_bh+0xed/0x4d0 fs/ocfs2/quota_local.c:101 ocfs2_local_read_info+0x158f/0x19f0 fs/ocfs2/quota_local.c:771 dquot_load_quota_sb+0x762/0xbb0 fs/quota/dquot.c:2459 dquot_load_quota_inode+0x320/0x600 fs/quota/dquot.c:2496 ocfs2_enable_quotas+0x169/0x450 fs/ocfs2/super.c:926 ocfs2_fill_super+0x4ca1/0x5760 fs/ocfs2/super.c:1141 mount_bdev+0x20a/0x2d0 fs/super.c:1693 legacy_get_tree+0xee/0x190 fs/fs_context.c:662 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034 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 -> #1 (sb_internal#2){.+.+}-{0:0}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 percpu_down_read include/linux/percpu-rwsem.h:51 [inline] __sb_start_write include/linux/fs.h:1725 [inline] sb_start_intwrite include/linux/fs.h:1908 [inline] ocfs2_start_trans+0x2b9/0x700 fs/ocfs2/journal.c:348 ocfs2_extend_allocation+0x8be/0x1bf0 fs/ocfs2/file.c:597 ocfs2_extend_no_holes+0x1f6/0x4a0 fs/ocfs2/file.c:1027 ocfs2_extend_local_quota_file fs/ocfs2/quota_local.c:1123 [inline] ocfs2_create_local_dquot+0x655/0x1d70 fs/ocfs2/quota_local.c:1234 ocfs2_acquire_dquot+0x833/0xb70 fs/ocfs2/quota_global.c:878 dqget+0x770/0xeb0 fs/quota/dquot.c:977 __dquot_initialize+0x2e3/0xec0 fs/quota/dquot.c:1505 ocfs2_get_init_inode+0x158/0x1d0 fs/ocfs2/namei.c:202 ocfs2_mknod+0xcfa/0x2b30 fs/ocfs2/namei.c:310 ocfs2_create+0x1ab/0x470 fs/ocfs2/namei.c:674 lookup_open fs/namei.c:3649 [inline] open_last_lookups fs/namei.c:3748 [inline] path_openat+0x1c03/0x3590 fs/namei.c:3984 do_filp_open+0x27f/0x4e0 fs/namei.c:4014 do_sys_openat2+0x13e/0x1d0 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1428 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 -> #0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{4:4}: check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5226 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:818 [inline] ocfs2_reserve_local_alloc_bits+0x132/0x2840 fs/ocfs2/localalloc.c:636 ocfs2_reserve_clusters_with_limit+0x1b8/0xb60 fs/ocfs2/suballoc.c:1166 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1227 [inline] ocfs2_lock_allocators+0x30a/0x630 fs/ocfs2/suballoc.c:2746 ocfs2_write_begin_nolock+0x270b/0x5060 fs/ocfs2/aops.c:1738 ocfs2_dio_wr_get_block+0xc3b/0x18d0 fs/ocfs2/aops.c:2237 get_more_blocks fs/direct-io.c:648 [inline] do_direct_IO fs/direct-io.c:936 [inline] __blockdev_direct_IO+0x1c87/0x4890 fs/direct-io.c:1243 ocfs2_direct_IO+0x255/0x2c0 fs/ocfs2/aops.c:2464 generic_file_direct_write+0x1e6/0x400 mm/filemap.c:3978 __generic_file_write_iter+0x126/0x230 mm/filemap.c:4142 ocfs2_file_write_iter+0x19af/0x2180 fs/ocfs2/file.c:2469 iter_file_splice_write+0xbfa/0x1510 fs/splice.c:743 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0x11b/0x220 fs/splice.c:1164 splice_direct_to_actor+0x586/0xc80 fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x289/0x3e0 fs/splice.c:1233 do_sendfile+0x564/0x8a0 fs/read_write.c:1363 __do_sys_sendfile64 fs/read_write.c:1424 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1410 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 other info that might help us debug this: Chain exists of: &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4 --> jbd2_handle --> &oi->ip_alloc_sem Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&oi->ip_alloc_sem); lock(jbd2_handle); lock(&oi->ip_alloc_sem); lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4); *** DEADLOCK *** 3 locks held by syz.0.0/5312: #0: ffff888035fb0420 (sb_writers#13){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x220 fs/splice.c:1163 #1: ffff88804513b480 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #1: ffff88804513b480 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: ocfs2_file_write_iter+0x445/0x2180 fs/ocfs2/file.c:2399 #2: ffff88804513b120 (&oi->ip_alloc_sem){++++}-{4:4}, at: ocfs2_dio_wr_get_block+0x96f/0x18d0 fs/ocfs2/aops.c:2223 stack backtrace: CPU: 0 UID: 0 PID: 5312 Comm: syz.0.0 Not tainted 6.13.0-rc3-syzkaller-00136-g8faabc041a00 #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:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2074 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2206 check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5226 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:818 [inline] ocfs2_reserve_local_alloc_bits+0x132/0x2840 fs/ocfs2/localalloc.c:636 ocfs2_reserve_clusters_with_limit+0x1b8/0xb60 fs/ocfs2/suballoc.c:1166 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1227 [inline] ocfs2_lock_allocators+0x30a/0x630 fs/ocfs2/suballoc.c:2746 ocfs2_write_begin_nolock+0x270b/0x5060 fs/ocfs2/aops.c:1738 ocfs2_dio_wr_get_block+0xc3b/0x18d0 fs/ocfs2/aops.c:2237 get_more_blocks fs/direct-io.c:648 [inline] do_direct_IO fs/direct-io.c:936 [inline] __blockdev_direct_IO+0x1c87/0x4890 fs/direct-io.c:1243 ocfs2_direct_IO+0x255/0x2c0 fs/ocfs2/aops.c:2464 generic_file_direct_write+0x1e6/0x400 mm/filemap.c:3978 __generic_file_write_iter+0x126/0x230 mm/filemap.c:4142 ocfs2_file_write_iter+0x19af/0x2180 fs/ocfs2/file.c:2469 iter_file_splice_write+0xbfa/0x1510 fs/splice.c:743 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0x11b/0x220 fs/splice.c:1164 splice_direct_to_actor+0x586/0xc80 fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x289/0x3e0 fs/splice.c:1233 do_sendfile+0x564/0x8a0 fs/read_write.c:1363 __do_sys_sendfile64 fs/read_write.c:1424 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1410 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: 0033:0x7f1f67785d29 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:00007f1f671fe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f1f67975fa0 RCX: 00007f1f67785d29 RDX: 0000000000000000 RSI: 000000000000000e RDI: 000000000000000f RBP: 00007f1f67801aa8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000080000002 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1f67975fa0 R15: 00007ffceab075c8