INFO: task syz-executor.0:23729 blocked for more than 143 seconds.
Not tainted 6.3.0-syzkaller-12728-g348551ddaf31 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:25128 pid:23729 ppid:5031 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
__wait_on_freeing_inode+0xf2/0x140 fs/inode.c:2196
find_inode_fast+0x14e/0x220 fs/inode.c:950
iget_locked+0xa8/0x700 fs/inode.c:1273
__ext4_iget+0x3b2/0x4430 fs/ext4/inode.c:4675
ext4_xattr_inode_cache_find fs/ext4/xattr.c:1558 [inline]
ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1594 [inline]
ext4_xattr_set_entry+0x1e3e/0x39e0 fs/ext4/xattr.c:1736
ext4_xattr_block_set+0xcb7/0x3030 fs/ext4/xattr.c:2042
ext4_xattr_set_handle+0xd8a/0x1510 fs/ext4/xattr.c:2457
ext4_xattr_set+0x144/0x360 fs/ext4/xattr.c:2559
__vfs_setxattr+0x173/0x1e0 fs/xattr.c:201
__vfs_setxattr_noperm+0x129/0x5f0 fs/xattr.c:235
__vfs_setxattr_locked+0x1d3/0x260 fs/xattr.c:296
vfs_setxattr+0x143/0x340 fs/xattr.c:322
do_setxattr+0x147/0x190 fs/xattr.c:630
setxattr+0x146/0x160 fs/xattr.c:653
path_setxattr+0x197/0x1c0 fs/xattr.c:672
__do_sys_setxattr fs/xattr.c:688 [inline]
__se_sys_setxattr fs/xattr.c:684 [inline]
__x64_sys_setxattr+0xc4/0x160 fs/xattr.c:684
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: 0033:0x7ff9aba8c169
RSP: 002b:00007ff9aa5fe168 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007ff9abbabf80 RCX: 00007ff9aba8c169
RDX: 00000000200005c0 RSI: 0000000020000180 RDI: 00000000200000c0
RBP: 00007ff9abae7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe67e6348f R14: 00007ff9aa5fe300 R15: 0000000000022000
INFO: task syz-executor.0:23738 blocked for more than 144 seconds.
Not tainted 6.3.0-syzkaller-12728-g348551ddaf31 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26432 pid:23738 ppid:5031 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
mb_cache_entry_wait_unused+0x16f/0x1f0 fs/mbcache.c:148
ext4_evict_ea_inode+0x195/0x2f0 fs/ext4/xattr.c:496
ext4_evict_inode+0xa0b/0x1a30 fs/ext4/inode.c:180
evict+0x2ed/0x6b0 fs/inode.c:665
iput_final fs/inode.c:1747 [inline]
iput.part.0+0x50a/0x740 fs/inode.c:1773
iput+0x5c/0x80 fs/inode.c:1763
ext4_xattr_set_entry+0x4ff/0x39e0 fs/ext4/xattr.c:1873
ext4_xattr_block_set+0x618/0x3030 fs/ext4/xattr.c:1973
ext4_xattr_set_handle+0xd8a/0x1510 fs/ext4/xattr.c:2457
ext4_xattr_set+0x144/0x360 fs/ext4/xattr.c:2559
__vfs_setxattr+0x173/0x1e0 fs/xattr.c:201
__vfs_setxattr_noperm+0x129/0x5f0 fs/xattr.c:235
__vfs_setxattr_locked+0x1d3/0x260 fs/xattr.c:296
vfs_setxattr+0x143/0x340 fs/xattr.c:322
do_setxattr+0x147/0x190 fs/xattr.c:630
setxattr+0x146/0x160 fs/xattr.c:653
path_setxattr+0x197/0x1c0 fs/xattr.c:672
__do_sys_setxattr fs/xattr.c:688 [inline]
__se_sys_setxattr fs/xattr.c:684 [inline]
__x64_sys_setxattr+0xc4/0x160 fs/xattr.c:684
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: 0033:0x7ff9aba8c169
RSP: 002b:00007ff9a221d168 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007ff9abbac050 RCX: 00007ff9aba8c169
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000040
RBP: 00007ff9abae7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe67e6348f R14: 00007ff9a221d300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8c798630 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8c798330 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/28:
#0: ffffffff8c799240 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6545
2 locks held by getty/4754:
#0: ffff88814af2b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2176
2 locks held by syz-executor.2/5046:
#0: ffff88807a9b80e0 (&type->s_umount_key#66){++++}-{3:3}, at: deactivate_super+0xa9/0xd0 fs/super.c:361
#1: ffffffff8c7a46b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#1: ffffffff8c7a46b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x64a/0x770 kernel/rcu/tree_exp.h:992
3 locks held by kworker/u4:7/5122:
2 locks held by kworker/0:8/5157:
#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:1324 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2376
#1: ffffc90004effdb0 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2380
3 locks held by kworker/1:18/12853:
#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:1324 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2376
#1: ffffc9001dd17db0 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2380
#2: ffffffff8c7a46b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
#2: ffffffff8c7a46b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e8/0x770 kernel/rcu/tree_exp.h:992
3 locks held by syz-executor.0/23729:
#0: ffff888091f6a460 (sb_writers#4){.+.+}-{0:0}, at: path_setxattr+0xb2/0x1c0 fs/xattr.c:670
#1: ffff888080fcac00 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#1: ffff888080fcac00 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: vfs_setxattr+0x120/0x340 fs/xattr.c:321
#2: ffff888080fca8c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff888080fca8c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x160/0x1510 fs/ext4/xattr.c:2372
3 locks held by syz-executor.0/23738:
#0: ffff888091f6a460 (sb_writers#4){.+.+}-{0:0}, at: path_setxattr+0xb2/0x1c0 fs/xattr.c:670
#1: ffff888080ce3600 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#1: ffff888080ce3600 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_setxattr+0x120/0x340 fs/xattr.c:321
#2: ffff888080ce32c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff888080ce32c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x160/0x1510 fs/ext4/xattr.c:2372
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.3.0-syzkaller-12728-g348551ddaf31 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2a4/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xe16/0x1090 kernel/hung_task.c:379
kthread+0x344/0x440 kernel/kthread.c:379
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: 5122 Comm: kworker/u4:7 Not tainted 6.3.0-syzkaller-12728-g348551ddaf31 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Workqueue: phy3 ieee80211_iface_work
RIP: 0010:kvfree_call_rcu+0x51d/0xad0 kernel/rcu/tree.c:3353
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 22 04 00 00 83 3d b8 9b 0b 0d 02 49 89 5f 08 0f 85 49 fd ff ff 4c 89 ff 9e be fe ff e9 3c fd ff ff 4c 89 e2 48 c7 c6 e0 34 4e 8a 48 c7
RSP: 0018:ffffc90004e6f4f8 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffff8880b9829378 RCX: ffffffff816edaf3
RDX: ffffed1017305270 RSI: 0000000000000004 RDI: ffff8880b9829340
RBP: 0000000000023794 R08: 0000000000000001 R09: ffff8880b982937b
R10: ffffed101730526f R11: 0000000000000000 R12: 0000000000000186
R13: ffff8880b98294a0 R14: 0000000000000286 R15: ffff8880b9829340
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcd281831b8 CR3: 000000000c571000 CR4: 0000000000350ef0
Call Trace:
cfg80211_update_known_bss+0x81e/0xa70 net/wireless/scan.c:1681
cfg80211_bss_update+0xf3/0x21f0 net/wireless/scan.c:1728
cfg80211_inform_single_bss_frame_data+0x6da/0xfc0 net/wireless/scan.c:2478
cfg80211_inform_bss_frame_data+0xc3/0xca0 net/wireless/scan.c:2511
ieee80211_bss_info_update+0x35c/0xb50 net/mac80211/scan.c:190
ieee80211_rx_bss_info net/mac80211/ibss.c:1120 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline]
ieee80211_ibss_rx_queued_mgmt+0x19c9/0x3030 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1594 [inline]
ieee80211_iface_work+0xa4d/0xd70 net/mac80211/iface.c:1648
process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308