INFO: task syz-executor.1:14866 blocked for more than 143 seconds. Not tainted 6.5.0-syzkaller-11329-g708283abf896 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:25424 pid:14866 ppid:5064 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x1873/0x48f0 kernel/sched/core.c:6695 schedule+0xc3/0x180 kernel/sched/core.c:6771 io_schedule+0x8c/0x100 kernel/sched/core.c:9026 folio_wait_bit_common+0x871/0x12a0 mm/filemap.c:1304 ntfs_lookup_inode_by_name+0xf78/0x2ca0 fs/ntfs/dir.c:316 ntfs_lookup+0x1dd/0xe00 fs/ntfs/namei.c:111 lookup_open fs/namei.c:3473 [inline] open_last_lookups fs/namei.c:3563 [inline] path_openat+0x11f1/0x3180 fs/namei.c:3793 do_filp_open+0x234/0x490 fs/namei.c:3823 do_sys_openat2+0x13e/0x1d0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_open fs/open.c:1445 [inline] __se_sys_open fs/open.c:1441 [inline] __x64_sys_open+0x225/0x270 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff48a27cae9 RSP: 002b:00007ff48b0380c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007ff48a39bf80 RCX: 00007ff48a27cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007ff48a2c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007ff48a39bf80 R15: 00007ffd9095d688 INFO: lockdep is turned off. NMI backtrace for cpu 1 CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-11329-g708283abf896 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x310 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xdf5/0xe40 kernel/hung_task.c:379 kthread+0x2b8/0x350 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5071 Comm: syz-executor.3 Not tainted 6.5.0-syzkaller-11329-g708283abf896 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:memset_orig+0x4e/0xac arch/x86/lib/memset_64.S:74 Code: d1 48 c1 e9 06 74 35 0f 1f 44 00 00 48 ff c9 48 89 07 48 89 47 08 48 89 47 10 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 <48> 89 47 38 48 8d 7f 40 75 d8 0f 1f 84 00 00 00 00 00 89 d1 83 e1 RSP: 0018:ffffc9000429f4f8 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffff88803d20f468 RCX: 0000000000000002 RDX: 0000000000000200 RSI: 0000000000000000 RDI: ffffc9000429f640 RBP: ffffc9000429f728 R08: dffffc0000000000 R09: 0000000000000000 R10: ffffc9000429f500 R11: fffffbfff1d346d6 R12: 0000000000000000 R13: ffffffff823c1ebb R14: 0000000000000000 R15: ffffc9000429f500 FS: 0000555556815480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc053d0642e CR3: 000000002df84000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kasan_save_stack mm/kasan/common.c:42 [inline] kasan_set_track+0x40/0x70 mm/kasan/common.c:52 kasan_save_free_info+0x28/0x40 mm/kasan/generic.c:522 ____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236 kasan_slab_free include/linux/kasan.h:162 [inline] slab_free_hook mm/slub.c:1800 [inline] slab_free_freelist_hook mm/slub.c:1826 [inline] slab_free mm/slub.c:3809 [inline] kmem_cache_free+0x292/0x500 mm/slub.c:3831 __es_remove_extent+0xabb/0x1f10 fs/ext4/extents_status.c:1429 ext4_es_remove_extent+0x26c/0x540 fs/ext4/extents_status.c:1499 ext4_ext_truncate+0x155/0x1f0 fs/ext4/extents.c:4405 ext4_truncate+0xa05/0x1130 fs/ext4/inode.c:4161 ext4_evict_inode+0x8fe/0xf20 fs/ext4/inode.c:258 evict+0x2a4/0x620 fs/inode.c:664 d_delete_notify include/linux/fsnotify.h:263 [inline] vfs_rmdir+0x385/0x4c0 fs/namei.c:4216 do_rmdir+0x3a7/0x6a0 fs/namei.c:4262 __do_sys_unlinkat fs/namei.c:4440 [inline] __se_sys_unlinkat fs/namei.c:4434 [inline] __x64_sys_unlinkat+0xe0/0xf0 fs/namei.c:4434 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe61a27c2c7 Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc607dd3b8 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007fe61a27c2c7 RDX: 0000000000000200 RSI: 00007ffc607de560 RDI: 00000000ffffff9c RBP: 00007fe61a2c73b9 R08: 000055555681e99b R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffc607de560 R13: 00007fe61a2c73b9 R14: 0000000000091a7c R15: 0000000000000005