INFO: task kworker/0:18:23160 blocked for more than 143 seconds.
Not tainted 6.1.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:18 state:D stack:22704 pid:23160 ppid:2 flags:0x00004000
Workqueue: gfs_recovery gfs2_recover_func
Call Trace:
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6521
schedule+0xde/0x1b0 kernel/sched/core.c:6597
io_schedule+0xbe/0x130 kernel/sched/core.c:8741
folio_wait_bit_common+0x394/0x9b0 mm/filemap.c:1296
folio_wait_locked include/linux/pagemap.h:1022 [inline]
gfs2_jhead_process_page.isra.0+0x515/0x600 fs/gfs2/lops.c:476
gfs2_find_jhead+0xa0b/0xd00 fs/gfs2/lops.c:594
gfs2_recover_func.cold+0x2bb/0x15b2 fs/gfs2/recovery.c:460
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: task syz-executor.3:28610 blocked for more than 144 seconds.
Not tainted 6.1.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:25704 pid:28610 ppid:3691 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6521
schedule+0xde/0x1b0 kernel/sched/core.c:6597
bit_wait+0x16/0xe0 kernel/sched/wait_bit.c:199
__wait_on_bit+0x64/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xd9/0x110 kernel/sched/wait_bit.c:64
wait_on_bit include/linux/wait_bit.h:76 [inline]
gfs2_recover_journal+0x135/0x150 fs/gfs2/recovery.c:577
init_journal fs/gfs2/ops_fstype.c:835 [inline]
init_inodes+0x1fd9/0x2830 fs/gfs2/ops_fstype.c:889
gfs2_fill_super+0x1a08/0x27a0 fs/gfs2/ops_fstype.c:1247
get_tree_bdev+0x444/0x760 fs/super.c:1324
gfs2_get_tree+0x4e/0x270 fs/gfs2/ops_fstype.c:1330
vfs_get_tree+0x8d/0x2f0 fs/super.c:1531
do_new_mount fs/namespace.c:3040 [inline]
path_mount+0x132a/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+0x283/0x300 fs/namespace.c:3568
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fafa668d6ba
RSP: 002b:00007fafa7390f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00000000000211a4 RCX: 00007fafa668d6ba
RDX: 0000000020021180 RSI: 00000000200211c0 RDI: 00007fafa7390fe0
RBP: 00007fafa7391020 R08: 00007fafa7391020 R09: 0000000020021180
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020021180
R13: 00000000200211c0 R14: 00007fafa7390fe0 R15: 0000000020000140
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c58f0f0 (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: ffffffff8c58edf0 (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/27:
#0: ffffffff8c58fc40 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
2 locks held by getty/3312:
#0: ffff88802763d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
4 locks held by kworker/u4:2/3700:
#0: ffff8880121c6938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880121c6938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880121c6938 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff8880121c6938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff8880121c6938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff8880121c6938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc900045ffda8 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffffffff8debbf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9f/0xb00 net/core/net_namespace.c:563
#3: ffffffff8c59a8f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
#3: ffffffff8c59a8f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x5df/0x780 kernel/rcu/tree_exp.h:946
2 locks held by kworker/0:9/3792:
#0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc90004c6fda8 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
4 locks held by kworker/u4:7/4015:
3 locks held by kworker/0:10/6131:
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc900032cfda8 (fqdir_free_work){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffffffff8c59a7c0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x6d0 kernel/rcu/tree.c:3953
2 locks held by kworker/0:18/23160:
#0: ffff88801be75938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88801be75938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88801be75938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88801be75938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88801be75938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88801be75938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc9000ad97da8 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
1 lock held by syz-executor.3/28610:
#0: ffff88807a1020e0 (&type->s_umount_key#87/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 fs/super.c:228
2 locks held by syz-executor.4/4456:
#0: ffffffff8decfb28 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8decfb28 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x190 drivers/net/tun.c:3467
#1: ffffffff8c59a8f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#1: ffffffff8c59a8f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x24f/0x780 kernel/rcu/tree_exp.h:946
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc6-syzkaller #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+0xd1/0x138 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x333/0x3c0 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+0xc75/0xfc0 kernel/hung_task.c:377
kthread+0x2e8/0x3a0 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: 93 Comm: kworker/u4:4 Not tainted 6.1.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: phy4 ieee80211_iface_work
RIP: 0010:lock_release+0x5b/0x810 kernel/locking/lockdep.c:5676
Code: b3 8a b5 41 48 c1 ed 03 48 c7 44 24 18 a0 9e f0 8b 48 01 e8 48 c7 44 24 20 c0 06 63 81 c7 00 f1 f1 f1 f1 c7 40 04 f1 f1 04 f2 40 08 04 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 84 24 88 00
RSP: 0018:ffffc900024bfa48 EFLAGS: 00000086
RAX: fffff52000497f4b RBX: 0000000000000212 RCX: ffffffff81637064
RDX: 1ffffffff238cc19 RSI: ffffffff840ecf60 RDI: ffffffff91c660d0
RBP: 1ffff92000497f4b R08: 0000000000000000 R09: 0000000000000003
R10: fffff52000497f53 R11: 0000000000000000 R12: ffffffff91c660d0
R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe5f41821b8 CR3: 000000007ec0e000 CR4: 0000000000350ef0
Call Trace:
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline]
_raw_spin_unlock_irqrestore+0x1a/0x70 kernel/locking/spinlock.c:194
__debug_check_no_obj_freed lib/debugobjects.c:999 [inline]
debug_check_no_obj_freed+0x210/0x420 lib/debugobjects.c:1020
slab_free_hook mm/slub.c:1699 [inline]
slab_free_freelist_hook+0xeb/0x1c0 mm/slub.c:1750
slab_free mm/slub.c:3661 [inline]
kmem_cache_free+0xee/0x5c0 mm/slub.c:3683
kfree_skbmem+0xef/0x1b0 net/core/skbuff.c:812
__kfree_skb net/core/skbuff.c:869 [inline]
kfree_skb_reason+0x197/0x4b0 net/core/skbuff.c:891
kfree_skb include/linux/skbuff.h:1216 [inline]
ieee80211_iface_work+0x357/0xd30 net/mac80211/iface.c:1686
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306