Hello, syzbot found the following issue on: HEAD commit: 8f6a15f095a6 Merge tag 'cocci-for-6.10' of git://git.kerne.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=120d27a4980000 kernel config: https://syzkaller.appspot.com/x/.config?x=6be91306a8917025 dashboard link: https://syzkaller.appspot.com/bug?extid=fe42a669c87e4a980051 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=138da210980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1053d8fc980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/02867060d65d/disk-8f6a15f0.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/4bb75fbf6fb1/vmlinux-8f6a15f0.xz kernel image: https://storage.googleapis.com/syzbot-assets/fd38cadddf33/bzImage-8f6a15f0.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/e24b09069472/mount_0.gz Bisection is inconclusive: the issue happens on the oldest tested release. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=178e5ca4980000 final oops: https://syzkaller.appspot.com/x/report.txt?x=144e5ca4980000 console output: https://syzkaller.appspot.com/x/log.txt?x=104e5ca4980000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+fe42a669c87e4a980051@xxxxxxxxxxxxxxxxxxxxxxxxx EXT4-fs warning (device loop0): ext4_xattr_inode_create:1471: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5082 at fs/ext4/xattr.c:1472 ext4_xattr_inode_create fs/ext4/xattr.c:1472 [inline] WARNING: CPU: 0 PID: 5082 at fs/ext4/xattr.c:1472 ext4_xattr_inode_lookup_create+0xc38/0x1ea0 fs/ext4/xattr.c:1590 Modules linked in: CPU: 0 PID: 5082 Comm: syz-executor226 Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:ext4_xattr_inode_create fs/ext4/xattr.c:1472 [inline] RIP: 0010:ext4_xattr_inode_lookup_create+0xc38/0x1ea0 fs/ext4/xattr.c:1590 Code: 18 e9 b4 03 00 00 4d 89 e5 e8 24 5d 2c ff 4c 89 ff 48 c7 c6 28 a4 b8 8d ba bf 05 00 00 48 c7 c1 40 a1 df 8b e8 39 15 fc ff 90 <0f> 0b 90 49 c7 c4 ea ff ff ff 4c 8b 74 24 68 4c 8b 7c 24 18 e9 96 RSP: 0018:ffffc900034a7120 EFLAGS: 00010246 RAX: 347f6253c1206700 RBX: 0000000000000000 RCX: 347f6253c1206700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900034a72f0 R08: ffffffff8176a12c R09: 1ffff92000694d9c R10: dffffc0000000000 R11: fffff52000694d9d R12: dffffc0000000000 R13: dffffc0000000000 R14: ffffc900034a7230 R15: ffff888023e3c000 FS: 0000555564020380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555640296f8 CR3: 0000000078050000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> ext4_xattr_block_set+0x277/0x3880 fs/ext4/xattr.c:1910 ext4_xattr_move_to_block fs/ext4/xattr.c:2663 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2738 [inline] ext4_expand_extra_isize_ea+0x12d7/0x1cf0 fs/ext4/xattr.c:2830 __ext4_expand_extra_isize+0x2fb/0x3e0 fs/ext4/inode.c:5782 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5825 [inline] __ext4_mark_inode_dirty+0x524/0x880 fs/ext4/inode.c:5903 ext4_dirty_inode+0xce/0x110 fs/ext4/inode.c:5935 __mark_inode_dirty+0x325/0xe20 fs/fs-writeback.c:2486 mark_inode_dirty_sync include/linux/fs.h:2421 [inline] iput+0x1fe/0x930 fs/inode.c:1764 __dentry_kill+0x20d/0x630 fs/dcache.c:603 shrink_kill+0xa9/0x2c0 fs/dcache.c:1048 shrink_dentry_list+0x2c0/0x5b0 fs/dcache.c:1075 shrink_dcache_parent+0xcb/0x3b0 do_one_tree+0x23/0xe0 fs/dcache.c:1538 shrink_dcache_for_umount+0x7d/0x130 fs/dcache.c:1555 generic_shutdown_super+0x6a/0x2d0 fs/super.c:620 kill_block_super+0x44/0x90 fs/super.c:1676 ext4_kill_sb+0x68/0xa0 fs/ext4/super.c:7319 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1267 task_work_run+0x24f/0x310 kernel/task_work.c:180 ptrace_notify+0x2d2/0x380 kernel/signal.c:2404 ptrace_report_syscall include/linux/ptrace.h:415 [inline] ptrace_report_syscall_exit include/linux/ptrace.h:477 [inline] syscall_exit_work+0xc6/0x190 kernel/entry/common.c:173 syscall_exit_to_user_mode_prepare kernel/entry/common.c:200 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:205 [inline] syscall_exit_to_user_mode+0x273/0x370 kernel/entry/common.c:218 do_syscall_64+0x102/0x240 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f15671fa587 Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffeafe5a078 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f15671fa587 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffeafe5a130 RBP: 00007ffeafe5a130 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffeafe5b1a0 R13: 00005555640216c0 R14: 431bde82d7b634db R15: 00007ffeafe5b1c0 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
