EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop4): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 32768 vs 25 free clusters BUG: unable to handle kernel paging request at fffffbfff000014f IP: __read_once_size include/linux/compiler.h:183 [inline] IP: atomic_read arch/x86/include/asm/atomic.h:27 [inline] IP: dqput.part.0+0x9d/0x750 fs/quota/dquot.c:761 PGD 21ffec067 P4D 21ffec067 PUD 21ffeb067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 20275 Comm: syz-executor.4 Not tainted 4.14.198-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880519b2300 task.stack: ffff8880342e8000 RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline] RIP: 0010:atomic_read arch/x86/include/asm/atomic.h:27 [inline] RIP: 0010:dqput.part.0+0x9d/0x750 fs/quota/dquot.c:761 RSP: 0018:ffff8880342ef870 EFLAGS: 00010286 RAX: dffffc0000000000 RBX: ffffffff80000980 RCX: 0000000000003a3c RDX: 1ffffffff0f82502 RSI: 0000000000000001 RDI: ffffffff87c12804 RBP: dffffc0000000000 R08: ffffffff8a099b60 R09: 00000000000401ca R10: ffff8880519b2bd8 R11: ffff8880519b2300 R12: 0000000000000003 R13: fffffbfff000014f R14: ffffffff80000a98 R15: ffffffff80000a78 FS: 00007fc6672e6700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff000014f CR3: 00000000a4462000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dqput fs/quota/dquot.c:748 [inline] dqput_all fs/quota/dquot.c:391 [inline] __dquot_initialize+0x47c/0xa70 fs/quota/dquot.c:1517 ext4_xattr_set+0xaa/0x230 fs/ext4/xattr.c:2494 __vfs_setxattr+0xdc/0x130 fs/xattr.c:150 __vfs_setxattr_noperm+0xfd/0x3d0 fs/xattr.c:181 __vfs_setxattr_locked+0x14d/0x250 fs/xattr.c:239 vfs_setxattr+0xcf/0x230 fs/xattr.c:256 setxattr+0x1a9/0x300 fs/xattr.c:523 path_setxattr+0x118/0x130 fs/xattr.c:542 SYSC_setxattr fs/xattr.c:557 [inline] SyS_setxattr+0x36/0x50 fs/xattr.c:553 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e179 RSP: 002b:00007fc6672e5c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 0000000000032580 RCX: 000000000045e179 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000040 RBP: 000000000118cf90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffcb95519cf R14: 00007fc6672e69c0 R15: 000000000118cf4c Code: 8d b3 18 01 00 00 49 c1 ed 03 41 83 e4 07 49 01 ed 41 83 c4 03 e8 a4 82 70 01 e8 7f 82 b7 ff 48 c7 c7 00 28 c1 87 e8 13 78 b1 04 <41> 0f b6 45 00 41 38 c4 7c 08 84 c0 0f 85 cf 04 00 00 8b 83 f8 RIP: __read_once_size include/linux/compiler.h:183 [inline] RSP: ffff8880342ef870 RIP: atomic_read arch/x86/include/asm/atomic.h:27 [inline] RSP: ffff8880342ef870 RIP: dqput.part.0+0x9d/0x750 fs/quota/dquot.c:761 RSP: ffff8880342ef870 CR2: fffffbfff000014f ---[ end trace e8c00baf9edb1478 ]---