INFO: task syz-executor.5:14563 blocked for more than 143 seconds.
Not tainted 6.1.0-rc7-syzkaller-00200-gc2bf05db6c78 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:19592 pid:14563 ppid:3659 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0x8c9/0xd70 kernel/sched/core.c:6521
schedule+0xcb/0x190 kernel/sched/core.c:6597
io_schedule+0x83/0x100 kernel/sched/core.c:8741
__lock_metapage+0x209/0x330 fs/jfs/jfs_metapage.c:50
lock_metapage fs/jfs/jfs_metapage.c:64 [inline]
__get_metapage+0x849/0xff0 fs/jfs/jfs_metapage.c:639
diIAGRead fs/jfs/jfs_imap.c:2662 [inline]
diNewExt+0x2bea/0x3e00 fs/jfs/jfs_imap.c:2230
diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
diAllocAG+0xc6a/0x1f80 fs/jfs/jfs_imap.c:1662
diAlloc+0x3dd/0x1700 fs/jfs/jfs_imap.c:1583
ialloc+0x8c/0xa80 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x141/0xb00 fs/jfs/namei.c:225
vfs_mkdir+0x3b3/0x590 fs/namei.c:4036
do_mkdirat+0x279/0x550 fs/namei.c:4061
__do_sys_mkdir fs/namei.c:4081 [inline]
__se_sys_mkdir fs/namei.c:4079 [inline]
__x64_sys_mkdir+0x6a/0x80 fs/namei.c:4079
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f050268c0d9
RSP: 002b:00007f0503456168 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f05027ac050 RCX: 00007f050268c0d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000300
RBP: 00007f05026e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd98a33e0f R14: 00007f0503456300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d127330 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d127b30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8d127160 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3311:
#0: ffff888017bee098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177
1 lock held by syz-executor.3/3662:
#0: ffffffff8d12c738 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
#0: ffffffff8d12c738 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x384/0x860 kernel/rcu/tree_exp.h:946
1 lock held by syz-executor.4/3674:
2 locks held by kworker/0:17/4530:
#0: ffff888012866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc90014fc7d00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
2 locks held by kworker/u4:12/22344:
4 locks held by syz-executor.5/14563:
#0: ffff8880771e4460 (sb_writers#16){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
#1: ffff88802b2533c0 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:791 [inline]
#1: ffff88802b2533c0 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: filename_create+0x22a/0x4f0 fs/namei.c:3807
#2: ffff888028d60920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diAlloc+0x3c3/0x1700
#3: ffff88802b250138 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diAllocExt fs/jfs/jfs_imap.c:1910 [inline]
#3: ffff88802b250138 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diAllocAG+0x2b8/0x1f80 fs/jfs/jfs_imap.c:1662
3 locks held by syz-executor.2/17415:
1 lock held by syz-executor.0/17417:
#0: ffff88808b1e00e0 (&type->s_umount_key#47/1){+.+.}-{3:3}, at: alloc_super+0x212/0x920 fs/super.c:228
1 lock held by syz-executor.1/17419:
#0: ffff88809186c0e0 (&type->s_umount_key#47/1){+.+.}-{3:3}, at: alloc_super+0x212/0x920 fs/super.c:228
2 locks held by syz-executor.5/17427:
2 locks held by syz-executor.4/17434:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc7-syzkaller-00200-gc2bf05db6c78 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
nmi_cpu_backtrace+0x46f/0x4f0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ba/0x420 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xcf5/0xd40 kernel/hung_task.c:377
kthread+0x266/0x300 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: 22346 Comm: kworker/u4:14 Not tainted 6.1.0-rc7-syzkaller-00200-gc2bf05db6c78 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: phy10 ieee80211_iface_work
RIP: 0010:hlock_class kernel/locking/lockdep.c:227 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4754 [inline]
RIP: 0010:__lock_acquire+0x787/0x1f60 kernel/locking/lockdep.c:5005
Code: 41 8b 2f 81 e5 ff 1f 00 00 48 89 e8 48 c1 e8 06 48 8d 3c c5 40 71 59 90 be 08 00 00 00 e8 21 64 74 00 48 0f a3 2d 49 17 ef 0e <72> 37 48 ba 00 00 00 00 00 fc ff df 48 8b 44 24 50 0f b6 04 10 84
RSP: 0018:ffffc9000355f948 EFLAGS: 00000057
RAX: 0000000000000001 RBX: ffff8880223fe258 RCX: ffffffff816a59ef
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90597228
RBP: 0000000000000763 R08: dffffc0000000000 R09: fffffbfff20b2e46
R10: fffffbfff20b2e46 R11: 1ffffffff20b2e45 R12: 0000000000000001
R13: 0000000000000004 R14: 0000000000000001 R15: ffff8880223fe258
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8b832b4000 CR3: 000000000ce8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x182/0x3c0 kernel/locking/lockdep.c:5668
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:350 [inline]
kcov_remote_start+0xcb/0x5e0 kernel/kcov.c:873
kcov_remote_start_common include/linux/kcov.h:48 [inline]
ieee80211_iface_work+0x21b/0xcf0 net/mac80211/iface.c:1679
process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306