INFO: task syz-executor.4:19054 blocked for more than 143 seconds.
Not tainted 6.2.0-rc2-next-20230105-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:25040 pid:19054 ppid:5117 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5247 [inline]
__schedule+0x25d0/0x5a70 kernel/sched/core.c:6563
schedule+0xde/0x1b0 kernel/sched/core.c:6639
mb_cache_entry_wait_unused+0x16f/0x1f0 fs/mbcache.c:148
ext4_evict_ea_inode+0x195/0x2f0 fs/ext4/xattr.c:449
ext4_evict_inode+0xd1c/0x1c40 fs/ext4/inode.c:181
evict+0x2ed/0x6b0 fs/inode.c:664
iput_final fs/inode.c:1747 [inline]
iput fs/inode.c:1773 [inline]
iput+0x52b/0x8e0 fs/inode.c:1759
ext4_xattr_set_entry+0x4ab/0x3a00 fs/ext4/xattr.c:1806
ext4_xattr_ibody_set+0x131/0x3a0 fs/ext4/xattr.c:2221
ext4_xattr_set_handle+0x968/0x1510 fs/ext4/xattr.c:2378
ext4_xattr_set+0x144/0x360 fs/ext4/xattr.c:2492
__vfs_setxattr+0x173/0x1e0 fs/xattr.c:202
__vfs_setxattr_noperm+0x129/0x5f0 fs/xattr.c:236
__vfs_setxattr_locked+0x1d3/0x260 fs/xattr.c:297
vfs_setxattr+0x143/0x340 fs/xattr.c:323
do_setxattr+0x151/0x190 fs/xattr.c:608
setxattr+0x146/0x160 fs/xattr.c:631
path_setxattr+0x197/0x1c0 fs/xattr.c:650
__do_sys_setxattr fs/xattr.c:666 [inline]
__se_sys_setxattr fs/xattr.c:662 [inline]
__x64_sys_setxattr+0xc4/0x160 fs/xattr.c:662
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: 0033:0x7f17e8a8c0c9
RSP: 002b:00007f17e97f9168 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f17e8babf80 RCX: 00007f17e8a8c0c9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 00000000200001c0
RBP: 00007f17e8ae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd3ef221cf R14: 00007f17e97f9300 R15: 0000000000022000
INFO: task syz-executor.4:19080 blocked for more than 144 seconds.
Not tainted 6.2.0-rc2-next-20230105-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27008 pid:19080 ppid:5117 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5247 [inline]
__schedule+0x25d0/0x5a70 kernel/sched/core.c:6563
schedule+0xde/0x1b0 kernel/sched/core.c:6639
__wait_on_freeing_inode+0xf2/0x140 fs/inode.c:2196
find_inode_fast+0x14e/0x220 fs/inode.c:950
iget_locked+0xa8/0x660 fs/inode.c:1273
__ext4_iget+0x3af/0x4230 fs/ext4/inode.c:4861
ext4_xattr_inode_cache_find fs/ext4/xattr.c:1491 [inline]
ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1527 [inline]
ext4_xattr_set_entry+0x1e1a/0x3a00 fs/ext4/xattr.c:1669
ext4_xattr_ibody_set+0x131/0x3a0 fs/ext4/xattr.c:2221
ext4_xattr_set_handle+0x968/0x1510 fs/ext4/xattr.c:2378
ext4_xattr_set+0x144/0x360 fs/ext4/xattr.c:2492
__vfs_setxattr+0x173/0x1e0 fs/xattr.c:202
__vfs_setxattr_noperm+0x129/0x5f0 fs/xattr.c:236
__vfs_setxattr_locked+0x1d3/0x260 fs/xattr.c:297
vfs_setxattr+0x143/0x340 fs/xattr.c:323
do_setxattr+0x151/0x190 fs/xattr.c:608
setxattr+0x146/0x160 fs/xattr.c:631
path_setxattr+0x197/0x1c0 fs/xattr.c:650
__do_sys_setxattr fs/xattr.c:666 [inline]
__se_sys_setxattr fs/xattr.c:662 [inline]
__x64_sys_setxattr+0xc4/0x160 fs/xattr.c:662
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: 0033:0x7f17e8a8c0c9
RSP: 002b:00007f17e97d8168 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f17e8bac050 RCX: 00007f17e8a8c0c9
RDX: 00000000200005c0 RSI: 0000000020000180 RDI: 00000000200000c0
RBP: 00007f17e8ae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd3ef221cf R14: 00007f17e97d8300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c792230 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xcd0 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8c791f30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xcd0 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/28:
#0: ffffffff8c792d80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x2d4 kernel/locking/lockdep.c:6494
2 locks held by kworker/u4:7/3591:
#0: ffff888012479138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012479138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012479138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012479138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012479138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012479138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x86d/0x1750 kernel/workqueue.c:2264
#1: ffffc900041efda8 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1750 kernel/workqueue.c:2268
2 locks held by getty/4757:
#0: ffff888027f94098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
2 locks held by kworker/u4:16/5848:
5 locks held by kworker/u4:20/6737:
#0: ffff8880125df938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880125df938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880125df938 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff8880125df938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff8880125df938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff8880125df938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x86d/0x1750 kernel/workqueue.c:2264
#1: ffffc90004f27da8 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1750 kernel/workqueue.c:2268
#2: ffffffff8e0b27d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9f/0xb10 net/core/net_namespace.c:568
#3: ffffffff8e0c6468 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_delete_nets+0x94/0x3a0 net/ipv4/ip_tunnel.c:1121
#4: ffffffff8c79def8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#4: ffffffff8c79def8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x658/0x770 kernel/rcu/tree_exp.h:990
3 locks held by kworker/0:7/9275:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1750 kernel/workqueue.c:2264
#1: ffffc90003d1fda8 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1750 kernel/workqueue.c:2268
#2: ffffffff8c79def8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
#2: ffffffff8c79def8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x400/0x770 kernel/rcu/tree_exp.h:990
2 locks held by kworker/0:12/9278:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1750 kernel/workqueue.c:2264
#1: ffffc90004fb7da8 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1750 kernel/workqueue.c:2268
2 locks held by kworker/0:19/18326:
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x86d/0x1750 kernel/workqueue.c:2264
#1: ffffc9001581fda8 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1750 kernel/workqueue.c:2268
3 locks held by syz-executor.4/19054:
#0: ffff88807895c460 (sb_writers#4){.+.+}-{0:0}, at: path_setxattr+0xb2/0x1c0 fs/xattr.c:648
#1: ffff888080105440 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888080105440 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_setxattr+0x120/0x340 fs/xattr.c:322
#2: ffff888080105108 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff888080105108 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x160/0x1510 fs/ext4/xattr.c:2305
3 locks held by syz-executor.4/19080:
#0: ffff88807895c460 (sb_writers#4){.+.+}-{0:0}, at: path_setxattr+0xb2/0x1c0 fs/xattr.c:648
#1: ffff8880728cac20 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff8880728cac20 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: vfs_setxattr+0x120/0x340 fs/xattr.c:322
#2: ffff8880728ca8e8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff8880728ca8e8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x160/0x1510 fs/ext4/xattr.c:2305
1 lock held by syz-executor.0/20589:
#0: ffffffff8c79ddc0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x6d0 kernel/rcu/tree.c:3943
1 lock held by syz-executor.5/20621:
#0: ffffffff8e0c6468 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x23e/0x1090 net/core/dev_ioctl.c:587
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc2-next-20230105-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:113
nmi_trigger_cpumask_backtrace+0x32f/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+0xcae/0x1050 kernel/hung_task.c:377
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4403 Comm: jbd2/sda1-8 Not tainted 6.2.0-rc2-next-20230105-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:lock_is_held_type+0x8/0x140 kernel/locking/lockdep.c:5696
Code: c7 c7 60 4d 4c 8a 89 44 24 04 e8 df 24 b9 ff 0f 0b 8b 44 24 04 eb bd 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 41 57 41 56 <41> 55 41 bd ff ff ff ff 41 54 55 53 48 83 ec 08 8b 0d 4e 00 70 04
RSP: 0018:ffffc9000b58f900 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8c792d20
RBP: ffffffff8aa44a80 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000094001 R12: 00000000000002d0
R13: ffff8880270cedd0 R14: 0000000000000002 R15: ffff88806445d000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00c0fe640 CR3: 0000000078fba000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_is_held include/linux/lockdep.h:283 [inline]
__might_resched+0x1f9/0x2e0 kernel/sched/core.c:9955
submit_bio_noacct+0x84/0x1ea0 block/blk-core.c:720
submit_bio block/blk-core.c:841 [inline]
submit_bio+0x8f/0x1c0 block/blk-core.c:829
journal_submit_commit_record.part.0+0x6eb/0x9e0 fs/jbd2/commit.c:156
journal_submit_commit_record fs/jbd2/commit.c:126 [inline]
jbd2_journal_commit_transaction+0x3de2/0x6a70 fs/jbd2/commit.c:884
kjournald2+0x1d4/0x890 fs/jbd2/journal.c:209
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308