Quota error (device loop0): qtree_write_dquot: Error -669470953 occurred while creating quota Quota error (device loop0): qtree_write_dquot: Error -1224736762 occurred while creating quota EXT4-fs error (device loop0): __ext4_new_inode:1067: comm syz-executor198: reserved inode found cleared - inode=1 BUG: unable to handle page fault for address: fffffbfff6e00022 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 23ffe9067 P4D 23ffe9067 PUD 23ffe8067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8495 Comm: syz-executor198 Not tainted 5.10.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:91 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:108 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:134 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:165 [inline] RIP: 0010:check_memory_region_inline mm/kasan/generic.c:183 [inline] RIP: 0010:check_memory_region+0xdb/0x180 mm/kasan/generic.c:192 Code: 80 38 00 74 f2 48 89 c2 b8 01 00 00 00 48 85 d2 75 56 5b 5d 41 5c c3 48 85 d2 74 5e 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 50 <80> 38 00 74 f2 eb d4 41 bc 08 00 00 00 48 89 ea 45 29 dc 4d 8d 1c RSP: 0018:ffffc9000182f6b0 EFLAGS: 00010286 RAX: fffffbfff6e00022 RBX: fffffbfff6e00024 RCX: ffffffff81df99ff RDX: fffffbfff6e00024 RSI: 0000000000000004 RDI: ffffffffb7000116 RBP: fffffbfff6e00022 R08: 0000000000000000 R09: ffffffffb7000119 R10: fffffbfff6e00023 R11: 0000000000000000 R12: ffffffffb7000136 R13: ffffffffb7000116 R14: 0000000000000009 R15: 1ffffffff6e00022 FS: 0000000002062880(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff6e00022 CR3: 0000000013487000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: instrument_atomic_read include/linux/instrumented.h:71 [inline] atomic_read include/asm-generic/atomic-instrumented.h:27 [inline] dqput.part.0+0xaf/0x870 fs/quota/dquot.c:770 dqput fs/quota/dquot.c:757 [inline] dqput_all fs/quota/dquot.c:397 [inline] __dquot_drop+0x19c/0x270 fs/quota/dquot.c:1577 dquot_drop fs/quota/dquot.c:1602 [inline] dquot_drop+0x14b/0x1a0 fs/quota/dquot.c:1580 __ext4_new_inode+0x2ba6/0x5520 fs/ext4/ialloc.c:1352 ext4_tmpfile+0x208/0x480 fs/ext4/namei.c:2685 vfs_tmpfile+0x201/0x380 fs/namei.c:3284 do_tmpfile fs/namei.c:3317 [inline] path_openat+0x1667/0x2730 fs/namei.c:3360 do_filp_open+0x17e/0x3c0 fs/namei.c:3396 do_sys_openat2+0x16d/0x420 fs/open.c:1168 do_sys_open fs/open.c:1184 [inline] __do_sys_openat fs/open.c:1200 [inline] __se_sys_openat fs/open.c:1195 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1195 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x444969 Code: 8d d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 5b d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffe29d9f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000444969 RDX: 0000000000410481 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00000000006cf018 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402550 R13: 00000000004025e0 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: CR2: fffffbfff6e00022 ---[ end trace 6ff59004b1c6cfde ]--- RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:91 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:108 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:134 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:165 [inline] RIP: 0010:check_memory_region_inline mm/kasan/generic.c:183 [inline] RIP: 0010:check_memory_region+0xdb/0x180 mm/kasan/generic.c:192 Code: 80 38 00 74 f2 48 89 c2 b8 01 00 00 00 48 85 d2 75 56 5b 5d 41 5c c3 48 85 d2 74 5e 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 50 <80> 38 00 74 f2 eb d4 41 bc 08 00 00 00 48 89 ea 45 29 dc 4d 8d 1c RSP: 0018:ffffc9000182f6b0 EFLAGS: 00010286 RAX: fffffbfff6e00022 RBX: fffffbfff6e00024 RCX: ffffffff81df99ff RDX: fffffbfff6e00024 RSI: 0000000000000004 RDI: ffffffffb7000116 RBP: fffffbfff6e00022 R08: 0000000000000000 R09: ffffffffb7000119 R10: fffffbfff6e00023 R11: 0000000000000000 R12: ffffffffb7000136 R13: ffffffffb7000116 R14: 0000000000000009 R15: 1ffffffff6e00022 FS: 0000000002062880(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff6e00022 CR3: 0000000013487000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400