INFO: task syz-executor.5:24838 blocked for more than 143 seconds.
Not tainted 6.0.0-rc4-syzkaller-00204-g9b4509495418 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:25904 pid:24838 ppid: 3650 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5182 [inline]
__schedule+0xadf/0x52b0 kernel/sched/core.c:6494
schedule+0xda/0x1b0 kernel/sched/core.c:6570
io_schedule+0xba/0x130 kernel/sched/core.c:8714
folio_wait_bit_common+0x3dd/0xa90 mm/filemap.c:1298
__folio_lock mm/filemap.c:1664 [inline]
folio_lock include/linux/pagemap.h:939 [inline]
folio_lock include/linux/pagemap.h:935 [inline]
__filemap_get_folio+0xc6d/0xed0 mm/filemap.c:1936
truncate_inode_pages_range+0x37c/0x1510 mm/truncate.c:378
ntfs_evict_inode+0x16/0xa0 fs/ntfs3/inode.c:1741
evict+0x2ed/0x6b0 fs/inode.c:665
iput_final fs/inode.c:1748 [inline]
iput.part.0+0x55d/0x810 fs/inode.c:1774
iput+0x58/0x70 fs/inode.c:1764
ntfs_fill_super+0x2e89/0x37f0 fs/ntfs3/super.c:1190
get_tree_bdev+0x440/0x760 fs/super.c:1323
vfs_get_tree+0x89/0x2f0 fs/super.c:1530
do_new_mount fs/namespace.c:3040 [inline]
path_mount+0x1326/0x1e20 fs/namespace.c:3370
do_mount fs/namespace.c:3383 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__x64_sys_mount+0x27f/0x300 fs/namespace.c:3568
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f09c688a8fa
RSP: 002b:00007f09c7ab0f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f09c688a8fa
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f09c7ab0fe0
RBP: 00007f09c7ab1020 R08: 00007f09c7ab1020 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f09c7ab0fe0 R15: 000000002007aa80
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8bf85db0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8bf85ab0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8bf86900 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6492
2 locks held by getty/3287:
#0: ffff888028327098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90001c382f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef0/0x13e0 drivers/tty/n_tty.c:2177
3 locks held by kworker/u4:0/15242:
2 locks held by kworker/u4:2/20806:
1 lock held by syz-executor.5/24838:
#0: ffff888034af40e0 (&type->s_umount_key#76/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 fs/super.c:228
2 locks held by syz-executor.5/28433:
1 lock held by syz-executor.5/28434:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.0.0-rc4-syzkaller-00204-g9b4509495418 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x46/0x14f lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x206/0x250 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc18/0xf50 kernel/hung_task.c:369
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 20806 Comm: kworker/u4:2 Not tainted 6.0.0-rc4-syzkaller-00204-g9b4509495418 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Workqueue: bat_events batadv_nc_worker
RIP: 0010:mark_lock.part.0+0x185/0x1910 kernel/locking/lockdep.c:4651
Code: 14 00 00 00 00 48 8b 84 24 30 01 00 00 65 48 2b 04 25 28 00 00 00 0f 85 2b 13 00 00 48 81 c4 38 01 00 00 44 89 d0 5b 5d 41 5c <41> 5d 41 5e 41 5f c3 48 8d 7e 22 48 89 f8 48 c1 e8 03 0f b6 04 10
RSP: 0018:ffffc90003247a10 EFLAGS: 00000082
RAX: 0000000000000001 RBX: 0000000000000749 RCX: 1ffffffff211c3be
RDX: dffffc0000000000 RSI: 0000000000000200 RDI: ffffffff908e1df0
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff908df947
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888034808b48
R13: 0000000000000009 R14: 000000000000002b R15: ffff888034808b68
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f43df16e058 CR3: 000000000bc8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
mark_lock kernel/locking/lockdep.c:4596 [inline]
mark_usage kernel/locking/lockdep.c:4553 [inline]
__lock_acquire+0x8ab/0x56d0 kernel/locking/lockdep.c:5007
lock_acquire kernel/locking/lockdep.c:5666 [inline]
lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5631
rcu_lock_acquire include/linux/rcupdate.h:280 [inline]
rcu_read_lock include/linux/rcupdate.h:706 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0x12d/0xfa0 net/batman-adv/network-coding.c:719
process_one_work+0x991/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306