Hello, syzbot found the following issue on: HEAD commit: 86987d84b968 Merge tag 'v6.11-rc5-client-fixes' of git://g.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=12935393980000 kernel config: https://syzkaller.appspot.com/x/.config?x=8605cd35ddc8ff3c dashboard link: https://syzkaller.appspot.com/bug?extid=7f71f79bbfb4427b00e1 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=14516fa7980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11bf1e47980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/17720a1549d0/disk-86987d84.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/55a9f2cf6e8d/vmlinux-86987d84.xz kernel image: https://storage.googleapis.com/syzbot-assets/8760a72ae7d5/bzImage-86987d84.xz mounted in repro #1: https://storage.googleapis.com/syzbot-assets/8d38edc6ad5d/mount_0.gz mounted in repro #2: https://storage.googleapis.com/syzbot-assets/57ba0d69287b/mount_1.gz The issue was bisected to: commit d392e85fd1e8d58e460c17ca7d0d5c157848d9c1 Author: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx> Date: Tue Jun 25 06:57:33 2024 +0000 fs/ntfs3: Fix the format of the "nocase" mount option bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1525a647980000 final oops: https://syzkaller.appspot.com/x/report.txt?x=1725a647980000 console output: https://syzkaller.appspot.com/x/log.txt?x=1325a647980000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+7f71f79bbfb4427b00e1@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: d392e85fd1e8 ("fs/ntfs3: Fix the format of the "nocase" mount option") ntfs3: loop0: Failed to initialize $Extend/$Reparse. BUG: sleeping function called from invalid context at include/linux/sched/mm.h:337 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5222, name: syz-executor508 preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 1 lock held by syz-executor508/5222: #0: ffffffff8e938320 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline] #0: ffffffff8e938320 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #0: ffffffff8e938320 (rcu_read_lock){....}-{1:2}, at: path_init+0x12a/0x1360 fs/namei.c:2437 CPU: 0 UID: 0 PID: 5222 Comm: syz-executor508 Not tainted 6.11.0-rc5-syzkaller-00057-g86987d84b968 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 __might_resched+0x5d4/0x780 kernel/sched/core.c:8463 might_alloc include/linux/sched/mm.h:337 [inline] slab_pre_alloc_hook mm/slub.c:3939 [inline] slab_alloc_node mm/slub.c:4017 [inline] kmem_cache_alloc_noprof+0x5d/0x2a0 mm/slub.c:4044 ntfs_d_hash+0x1a0/0x420 fs/ntfs3/namei.c:398 link_path_walk+0x92d/0xea0 fs/namei.c:2375 path_openat+0x25d/0x3470 fs/namei.c:3882 do_filp_open+0x235/0x490 fs/namei.c:3913 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416 do_sys_open fs/open.c:1431 [inline] __do_sys_openat fs/open.c:1447 [inline] __se_sys_openat fs/open.c:1442 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1442 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: 0033:0x7f5174e4c2f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe8ece6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ffe8ece6040 RCX: 00007f5174e4c2f9 RDX: 000000000000275a RSI: 0000000020000240 RDI: 00000000ffffff9c RBP: 00007ffe8ece6048 R08: 00007ffe8ece6048 R09: 00007f5174e17ff0 R10: 0000000000000000 R11: 0000 --- 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
