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. ======================================================= JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. (syz.0.0,5326,0):ocfs2_read_blocks_sync:110 ERROR: status = -12 (syz.0.0,5326,0):update_backups:196 ERROR: status = -12 ocfs2: Failed to update super blocks on 7,0 during fs resize. This condition is not fatal, but fsck.ocfs2 should be run to fix it ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.0/5326 is trying to acquire lock: ffff888044125da0 (&ocfs2_sysfile_lock_key[GLOBAL_BITMAP_SYSTEM_INODE]){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1024 [inline] ffff888044125da0 (&ocfs2_sysfile_lock_key[GLOBAL_BITMAP_SYSTEM_INODE]){+.+.}-{4:4}, at: _ocfs2_reclaim_suballoc_to_main fs/ocfs2/suballoc.c:2804 [inline] ffff888044125da0 (&ocfs2_sysfile_lock_key[GLOBAL_BITMAP_SYSTEM_INODE]){+.+.}-{4:4}, at: _ocfs2_free_suballoc_bits+0x14d6/0x2760 fs/ocfs2/suballoc.c:2958 but task is already holding lock: ffff888040795ce0 (&journal->j_trans_barrier){.+.+}-{4:4}, at: ocfs2_start_trans+0x3ab/0x700 fs/ocfs2/journal.c:369 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: down_read+0x4a/0x330 kernel/locking/rwsem.c:1574 ocfs2_start_trans+0x3ab/0x700 fs/ocfs2/journal.c:369 ocfs2_group_extend+0x6c9/0x9e0 fs/ocfs2/resize.c:346 ocfs2_ioctl+0x713/0x7e0 fs/ocfs2/ioctl.c:885 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #1 (sb_internal#2){.+.+}-{0:0}: 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/super.h:19 [inline] sb_start_intwrite include/linux/fs/super.h:177 [inline] ocfs2_start_trans+0x2ac/0x700 fs/ocfs2/journal.c:367 ocfs2_group_extend+0x6c9/0x9e0 fs/ocfs2/resize.c:346 ocfs2_ioctl+0x713/0x7e0 fs/ocfs2/ioctl.c:885 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&ocfs2_sysfile_lock_key[GLOBAL_BITMAP_SYSTEM_INODE]){+.+.}-{4:4}: check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x1520/0x2cf0 kernel/locking/lockdep.c:5237 lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868 down_write+0x96/0x200 kernel/locking/rwsem.c:1631 inode_lock include/linux/fs.h:1024 [inline] _ocfs2_reclaim_suballoc_to_main fs/ocfs2/suballoc.c:2804 [inline] _ocfs2_free_suballoc_bits+0x14d6/0x2760 fs/ocfs2/suballoc.c:2958 ocfs2_free_suballoc_bits fs/ocfs2/suballoc.c:2972 [inline] ocfs2_free_dinode+0xb1/0xe0 fs/ocfs2/suballoc.c:2987 ocfs2_remove_inode fs/ocfs2/inode.c:808 [inline] ocfs2_wipe_inode fs/ocfs2/inode.c:930 [inline] ocfs2_delete_inode fs/ocfs2/inode.c:1191 [inline] ocfs2_evict_inode+0x1dee/0x4390 fs/ocfs2/inode.c:1333 evict+0x624/0xb50 fs/inode.c:825 d_delete_notify include/linux/fsnotify.h:381 [inline] vfs_rmdir+0x413/0x6a0 fs/namei.c:5394 filename_rmdir+0x292/0x520 fs/namei.c:5438 __do_sys_rmdir fs/namei.c:5461 [inline] __se_sys_rmdir+0x2e/0x140 fs/namei.c:5458 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 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[GLOBAL_BITMAP_SYSTEM_INODE] --> sb_internal#2 --> &journal->j_trans_barrier Possible unsafe locking scenario: CPU0 CPU1 ---- ---- rlock(&journal->j_trans_barrier); lock(sb_internal#2); lock(&journal->j_trans_barrier); lock(&ocfs2_sysfile_lock_key[GLOBAL_BITMAP_SYSTEM_INODE]); *** DEADLOCK *** 8 locks held by syz.0.0/5326: #0: ffff888036842450 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 fs/namespace.c:494 #1: ffff88804412a5a0 (&type->i_mutex_dir_key#8/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1069 [inline] #1: ffff88804412a5a0 (&type->i_mutex_dir_key#8/1){+.+.}-{4:4}, at: __start_dirop fs/namei.c:2918 [inline] #1: ffff88804412a5a0 (&type->i_mutex_dir_key#8/1){+.+.}-{4:4}, at: start_dirop fs/namei.c:2942 [inline] #1: ffff88804412a5a0 (&type->i_mutex_dir_key#8/1){+.+.}-{4:4}, at: filename_rmdir+0x1cd/0x520 fs/namei.c:5431 #2: ffff888012aacbc0 (&osb->nfs_sync_rwlock){.+.+}-{4:4}, at: ocfs2_nfs_sync_lock+0x106/0x270 fs/ocfs2/dlmglue.c:2875 #3: ffff888044124fa0 (&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1024 [inline] #3: ffff888044124fa0 (&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_wipe_inode fs/ocfs2/inode.c:888 [inline] #3: ffff888044124fa0 (&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_delete_inode fs/ocfs2/inode.c:1191 [inline] #3: ffff888044124fa0 (&ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_evict_inode+0xe39/0x4390 fs/ocfs2/inode.c:1333 #4: ffff8880441233a0 (&ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1024 [inline] #4: ffff8880441233a0 (&ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_remove_inode fs/ocfs2/inode.c:767 [inline] #4: ffff8880441233a0 (&ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_wipe_inode fs/ocfs2/inode.c:930 [inline] #4: ffff8880441233a0 (&ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_delete_inode fs/ocfs2/inode.c:1191 [inline] #4: ffff8880441233a0 (&ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_evict_inode+0x1489/0x4390 fs/ocfs2/inode.c:1333 #5: ffff888036842640 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_remove_inode fs/ocfs2/inode.c:776 [inline] #5: ffff888036842640 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_wipe_inode fs/ocfs2/inode.c:930 [inline] #5: ffff888036842640 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_delete_inode fs/ocfs2/inode.c:1191 [inline] #5: ffff888036842640 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_evict_inode+0x156b/0x4390 fs/ocfs2/inode.c:1333 #6: ffff888040795ce0 (&journal->j_trans_barrier){.+.+}-{4:4}, at: ocfs2_start_trans+0x3ab/0x700 fs/ocfs2/journal.c:369 #7: ffff888036840938 (jbd2_handle#2){.+.+}-{0:0}, at: start_this_handle+0x1fc3/0x2210 fs/jbd2/transaction.c:444 stack backtrace: CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_circular_bug+0x2e1/0x300 kernel/locking/lockdep.c:2043 check_noncircular+0x12e/0x150 kernel/locking/lockdep.c:2175 check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x1520/0x2cf0 kernel/locking/lockdep.c:5237 lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868 down_write+0x96/0x200 kernel/locking/rwsem.c:1631 inode_lock include/linux/fs.h:1024 [inline] _ocfs2_reclaim_suballoc_to_main fs/ocfs2/suballoc.c:2804 [inline] _ocfs2_free_suballoc_bits+0x14d6/0x2760 fs/ocfs2/suballoc.c:2958 ocfs2_free_suballoc_bits fs/ocfs2/suballoc.c:2972 [inline] ocfs2_free_dinode+0xb1/0xe0 fs/ocfs2/suballoc.c:2987 ocfs2_remove_inode fs/ocfs2/inode.c:808 [inline] ocfs2_wipe_inode fs/ocfs2/inode.c:930 [inline] ocfs2_delete_inode fs/ocfs2/inode.c:1191 [inline] ocfs2_evict_inode+0x1dee/0x4390 fs/ocfs2/inode.c:1333 evict+0x624/0xb50 fs/inode.c:825 d_delete_notify include/linux/fsnotify.h:381 [inline] vfs_rmdir+0x413/0x6a0 fs/namei.c:5394 filename_rmdir+0x292/0x520 fs/namei.c:5438 __do_sys_rmdir fs/namei.c:5461 [inline] __se_sys_rmdir+0x2e/0x140 fs/namei.c:5458 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa7ed99de99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa7ee78dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000054 RAX: ffffffffffffffda RBX: 00007fa7edc25fa0 RCX: 00007fa7ed99de99 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000180 RBP: 00007fa7eda33eaf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa7edc26038 R14: 00007fa7edc25fa0 R15: 00007ffd83ed1e78 wlan1: authenticate with 50:50:50:50:50:50 (local address=08:02:11:00:00:01) wlan1: send auth to 50:50:50:50:50:50 (try 1/3)