loop0: detected capacity change from 0 to 32768 (syz.0.0,5315,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. (syz.0.0,5315,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. (syz.0.0,5315,0):ocfs2_extend_trans:438 ERROR: status = -30 (syz.0.0,5315,0):ocfs2_insert_path:4181 ERROR: status = -30 (syz.0.0,5315,0):ocfs2_do_insert_extent:4337 ERROR: status = -30 (syz.0.0,5315,0):ocfs2_insert_extent:4759 ERROR: status = -30 (syz.0.0,5315,0):ocfs2_add_clusters_in_btree:4852 ERROR: status = -30 (syz.0.0,5315,0):__ocfs2_journal_access:705 ERROR: Error -30 getting 2 access to buffer! (syz.0.0,5315,0):ocfs2_block_group_clear_bits:2465 ERROR: status = -30 (syz.0.0,5315,0):_ocfs2_free_suballoc_bits:2566 ERROR: status = -30 (syz.0.0,5315,0):_ocfs2_free_clusters:2650 ERROR: status = -30 (syz.0.0,5315,0):ocfs2_write_cluster:1151 ERROR: status = -30 (syz.0.0,5315,0):ocfs2_write_cluster_by_desc:1246 ERROR: status = -30 (syz.0.0,5315,0):ocfs2_write_begin_nolock:1818 ERROR: status = -30 ============================================ WARNING: possible recursive locking detected 6.13.0-rc1-syzkaller-00182-gb8f52214c61a #0 Not tainted -------------------------------------------- syz.0.0/5315 is trying to acquire lock: ffff88801ebda610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_write_dquot fs/ocfs2/quota_global.c:679 [inline] ffff88801ebda610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_mark_dquot_dirty+0x411/0xe00 fs/ocfs2/quota_global.c:949 but task is already holding lock: ffff88801ebda610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_write_begin_nolock+0x2bf2/0x4ea0 fs/ocfs2/aops.c:1768 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(sb_internal#2); lock(sb_internal#2); *** DEADLOCK *** May be due to missing lock nesting notation 9 locks held by syz.0.0/5315: #0: ffff88801e4789b8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x254/0x320 fs/file.c:1191 #1: ffff88801ebda420 (sb_writers#13){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2964 [inline] #1: ffff88801ebda420 (sb_writers#13){.+.+}-{0:0}, at: vfs_write+0x225/0xd30 fs/read_write.c:675 #2: ffff888043f209c0 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #2: ffff888043f209c0 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: ocfs2_file_write_iter+0x445/0x2180 fs/ocfs2/file.c:2399 #3: ffff888043f20660 (&oi->ip_alloc_sem){++++}-{4:4}, at: ocfs2_write_begin+0x1d1/0x3a0 fs/ocfs2/aops.c:1900 #4: ffff888043ef9800 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #4: ffff888043ef9800 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x192/0x4e70 fs/ocfs2/suballoc.c:786 #5: ffff888043ee5100 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #5: ffff888043ee5100 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x192/0x4e70 fs/ocfs2/suballoc.c:786 #6: ffff88801ebda610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_write_begin_nolock+0x2bf2/0x4ea0 fs/ocfs2/aops.c:1768 #7: ffff88803619f4e8 (&journal->j_trans_barrier){.+.+}-{4:4}, at: ocfs2_start_trans+0x3be/0x700 fs/ocfs2/journal.c:350 #8: ffffffff8eaad1b0 (dquot_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:158 [inline] #8: ffffffff8eaad1b0 (dquot_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:249 [inline] #8: ffffffff8eaad1b0 (dquot_srcu){.+.+}-{0:0}, at: __dquot_free_space+0x1f3/0xec0 fs/quota/dquot.c:1901 stack backtrace: CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted 6.13.0-rc1-syzkaller-00182-gb8f52214c61a #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_deadlock_bug+0x483/0x620 kernel/locking/lockdep.c:3037 check_deadlock kernel/locking/lockdep.c:3089 [inline] validate_chain+0x15e2/0x5920 kernel/locking/lockdep.c:3891 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5226 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_write_dquot fs/ocfs2/quota_global.c:679 [inline] ocfs2_mark_dquot_dirty+0x411/0xe00 fs/ocfs2/quota_global.c:949 mark_dquot_dirty fs/quota/dquot.c:370 [inline] mark_all_dquot_dirty+0x101/0x450 fs/quota/dquot.c:410 __dquot_free_space+0x977/0xec0 fs/quota/dquot.c:1928 dquot_free_space_nodirty include/linux/quotaops.h:374 [inline] dquot_free_space+0x1b/0x30 include/linux/quotaops.h:379 ocfs2_write_begin_nolock+0x32fb/0x4ea0 fs/ocfs2/aops.c:1834 ocfs2_write_begin+0x205/0x3a0 fs/ocfs2/aops.c:1902 generic_perform_write+0x344/0x6d0 mm/filemap.c:4055 ocfs2_file_write_iter+0x19af/0x2180 fs/ocfs2/file.c:2469 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 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: 0033:0x7f9ff7f7fed9 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:00007f9ff8e34058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f9ff8145fa0 RCX: 00007f9ff7f7fed9 RDX: 000000000208e24b RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f9ff7ff3cc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f9ff8145fa0 R15: 00007fff4e60eda8 (syz.0.0,5315,0):ocfs2_start_trans:357 ERROR: status = -30 OCFS2: abort (device loop0): handle_t *ocfs2_start_trans(struct ocfs2_super *, int): Detected aborted journal On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. (syz.0.0,5315,0):ocfs2_write_dquot:682 ERROR: status = -30 (syz.0.0,5315,0):ocfs2_mark_dquot_dirty:978 ERROR: status = -30 (syz.0.0,5315,0):ocfs2_start_trans:357 ERROR: status = -30 OCFS2: abort (device loop0): handle_t *ocfs2_start_trans(struct ocfs2_super *, int): Detected aborted journal On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. (syz.0.0,5315,0):ocfs2_write_dquot:682 ERROR: status = -30 (syz.0.0,5315,0):ocfs2_mark_dquot_dirty:978 ERROR: status = -30 (syz.0.0,5315,0):ocfs2_write_begin:1905 ERROR: status = -30