JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,1) on (node local, slot 0) with ordered data mode. Process accounting resumed ====================================================== WARNING: possible circular locking dependency detected 6.13.0-rc7-syzkaller-g1950a0af2d55 #0 Not tainted ------------------------------------------------------ syz.1.311/8347 is trying to acquire lock: ffff0000d5abe610 (sb_internal#3){.+.+}-{0:0}, at: ocfs2_write_begin_inline fs/ocfs2/aops.c:1479 [inline] ffff0000d5abe610 (sb_internal#3){.+.+}-{0:0}, at: ocfs2_try_to_write_inline_data fs/ocfs2/aops.c:1582 [inline] ffff0000d5abe610 (sb_internal#3){.+.+}-{0:0}, at: ocfs2_write_begin_nolock+0xa04/0x3e90 fs/ocfs2/aops.c:1668 but task is already holding lock: ffff0000f16bdbe0 (&ocfs2_file_ip_alloc_sem_key){++++}-{4:4}, at: ocfs2_write_begin+0x178/0x38c fs/ocfs2/aops.c:1900 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&ocfs2_file_ip_alloc_sem_key){++++}-{4:4}: down_write+0x50/0xc0 kernel/locking/rwsem.c:1577 ocfs2_try_remove_refcount_tree+0xb4/0x2f0 fs/ocfs2/refcounttree.c:932 ocfs2_xattr_set+0x670/0x1448 fs/ocfs2/xattr.c:3669 ocfs2_set_acl+0x410/0x4b4 fs/ocfs2/acl.c:254 ocfs2_iop_set_acl+0x230/0x374 fs/ocfs2/acl.c:286 set_posix_acl fs/posix_acl.c:954 [inline] vfs_set_acl+0x7a0/0xa24 fs/posix_acl.c:1133 do_set_acl+0xc8/0x1ac fs/posix_acl.c:1278 do_setxattr fs/xattr.c:633 [inline] filename_setxattr+0x2e8/0x404 fs/xattr.c:665 path_setxattrat+0x370/0x41c fs/xattr.c:713 __do_sys_setxattr fs/xattr.c:747 [inline] __se_sys_setxattr fs/xattr.c:743 [inline] __arm64_sys_setxattr+0xc0/0xdc fs/xattr.c:743 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 -> #3 (&oi->ip_xattr_sem){++++}-{4:4}: down_write+0x50/0xc0 kernel/locking/rwsem.c:1577 ocfs2_xattr_set_handle+0x40c/0x824 fs/ocfs2/xattr.c:3501 ocfs2_init_security_set+0xb4/0xd8 fs/ocfs2/xattr.c:7307 ocfs2_mknod+0x1408/0x2438 fs/ocfs2/namei.c:419 ocfs2_mkdir+0x194/0x4d4 fs/ocfs2/namei.c:657 vfs_mkdir+0x27c/0x410 fs/namei.c:4311 do_mkdirat+0x248/0x574 fs/namei.c:4334 __do_sys_mkdirat fs/namei.c:4349 [inline] __se_sys_mkdirat fs/namei.c:4347 [inline] __arm64_sys_mkdirat+0x8c/0xa4 fs/namei.c:4347 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 -> #2 (jbd2_handle){++++}-{0:0}: start_this_handle+0xf34/0x11c4 fs/jbd2/transaction.c:448 jbd2__journal_start+0x298/0x544 fs/jbd2/transaction.c:505 jbd2_journal_start+0x3c/0x4c fs/jbd2/transaction.c:544 ocfs2_start_trans+0x3d0/0x71c fs/ocfs2/journal.c:352 ocfs2_block_group_alloc fs/ocfs2/suballoc.c:685 [inline] ocfs2_reserve_suballoc_bits+0x840/0x4254 fs/ocfs2/suballoc.c:832 ocfs2_reserve_new_metadata_blocks+0x384/0x848 fs/ocfs2/suballoc.c:982 ocfs2_mknod+0xdc8/0x2438 fs/ocfs2/namei.c:347 ocfs2_mkdir+0x194/0x4d4 fs/ocfs2/namei.c:657 vfs_mkdir+0x27c/0x410 fs/namei.c:4311 do_mkdirat+0x248/0x574 fs/namei.c:4334 __do_sys_mkdirat fs/namei.c:4349 [inline] __se_sys_mkdirat fs/namei.c:4347 [inline] __arm64_sys_mkdirat+0x8c/0xa4 fs/namei.c:4347 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 -> #1 (&journal->j_trans_barrier){.+.+}-{4:4}: down_read+0x58/0x2fc kernel/locking/rwsem.c:1524 ocfs2_start_trans+0x3c4/0x71c fs/ocfs2/journal.c:350 ocfs2_block_group_alloc fs/ocfs2/suballoc.c:685 [inline] ocfs2_reserve_suballoc_bits+0x840/0x4254 fs/ocfs2/suballoc.c:832 ocfs2_reserve_new_metadata_blocks+0x384/0x848 fs/ocfs2/suballoc.c:982 ocfs2_mknod+0xdc8/0x2438 fs/ocfs2/namei.c:347 ocfs2_mkdir+0x194/0x4d4 fs/ocfs2/namei.c:657 vfs_mkdir+0x27c/0x410 fs/namei.c:4311 do_mkdirat+0x248/0x574 fs/namei.c:4334 __do_sys_mkdirat fs/namei.c:4349 [inline] __se_sys_mkdirat fs/namei.c:4347 [inline] __arm64_sys_mkdirat+0x8c/0xa4 fs/namei.c:4347 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 -> #0 (sb_internal#3){.+.+}-{0:0}: check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain kernel/locking/lockdep.c:3904 [inline] __lock_acquire+0x34f0/0x7904 kernel/locking/lockdep.c:5226 lock_acquire+0x23c/0x724 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+0x244/0x71c fs/ocfs2/journal.c:348 ocfs2_write_begin_inline fs/ocfs2/aops.c:1479 [inline] ocfs2_try_to_write_inline_data fs/ocfs2/aops.c:1582 [inline] ocfs2_write_begin_nolock+0xa04/0x3e90 fs/ocfs2/aops.c:1668 ocfs2_write_begin+0x1ac/0x38c fs/ocfs2/aops.c:1902 generic_perform_write+0x29c/0x868 mm/filemap.c:4046 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4147 ocfs2_file_write_iter+0x161c/0x1f3c fs/ocfs2/file.c:2469 __kernel_write_iter+0x340/0x794 fs/read_write.c:612 __kernel_write+0x11c/0x174 fs/read_write.c:632 do_acct_process+0xf20/0x1790 kernel/acct.c:539 acct_pin_kill+0x34/0x180 kernel/acct.c:192 pin_kill+0x288/0x53c fs/fs_pin.c:44 __do_sys_acct kernel/acct.c:309 [inline] __se_sys_acct kernel/acct.c:291 [inline] __arm64_sys_acct+0x290/0x6a0 kernel/acct.c:291 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 other info that might help us debug this: Chain exists of: sb_internal#3 --> &oi->ip_xattr_sem --> &ocfs2_file_ip_alloc_sem_key Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ocfs2_file_ip_alloc_sem_key); lock(&oi->ip_xattr_sem); lock(&ocfs2_file_ip_alloc_sem_key); rlock(sb_internal#3); *** DEADLOCK *** 4 locks held by syz.1.311/8347: #0: ffff0000da18ad00 (&acct->lock#3){+.+.}-{4:4}, at: acct_pin_kill+0x2c/0x180 kernel/acct.c:191 #1: ffff0000d5abe420 (sb_writers#14){.+.+}-{0:0}, at: acct_pin_kill+0x34/0x180 kernel/acct.c:192 #2: ffff0000f16bdf40 (&sb->s_type->i_mutex_key#36){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #2: ffff0000f16bdf40 (&sb->s_type->i_mutex_key#36){+.+.}-{4:4}, at: ocfs2_file_write_iter+0x3a4/0x1f3c fs/ocfs2/file.c:2399 #3: ffff0000f16bdbe0 (&ocfs2_file_ip_alloc_sem_key){++++}-{4:4}, at: ocfs2_write_begin+0x178/0x38c fs/ocfs2/aops.c:1900 stack backtrace: CPU: 1 UID: 0 PID: 8347 Comm: syz.1.311 Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 print_circular_bug+0x154/0x1c0 kernel/locking/lockdep.c:2074 check_noncircular+0x310/0x404 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 kernel/locking/lockdep.c:3904 [inline] __lock_acquire+0x34f0/0x7904 kernel/locking/lockdep.c:5226 lock_acquire+0x23c/0x724 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+0x244/0x71c fs/ocfs2/journal.c:348 ocfs2_write_begin_inline fs/ocfs2/aops.c:1479 [inline] ocfs2_try_to_write_inline_data fs/ocfs2/aops.c:1582 [inline] ocfs2_write_begin_nolock+0xa04/0x3e90 fs/ocfs2/aops.c:1668 ocfs2_write_begin+0x1ac/0x38c fs/ocfs2/aops.c:1902 generic_perform_write+0x29c/0x868 mm/filemap.c:4046 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4147 ocfs2_file_write_iter+0x161c/0x1f3c fs/ocfs2/file.c:2469 __kernel_write_iter+0x340/0x794 fs/read_write.c:612 __kernel_write+0x11c/0x174 fs/read_write.c:632 do_acct_process+0xf20/0x1790 kernel/acct.c:539 acct_pin_kill+0x34/0x180 kernel/acct.c:192 pin_kill+0x288/0x53c fs/fs_pin.c:44 __do_sys_acct kernel/acct.c:309 [inline] __se_sys_acct kernel/acct.c:291 [inline] __arm64_sys_acct+0x290/0x6a0 kernel/acct.c:291 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600