INFO: task syz-executor.3:3648 blocked for more than 143 seconds. Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:22008 pid:3648 ppid:1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5191 [inline] __schedule+0x8c9/0xd70 kernel/sched/core.c:6503 schedule+0xcb/0x190 kernel/sched/core.c:6579 rwsem_down_read_slowpath+0x5f9/0x930 kernel/locking/rwsem.c:1095 __down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260 __gfs2_trans_begin+0x4e4/0x8c0 fs/gfs2/trans.c:87 gfs2_trans_begin+0x6d/0xe0 fs/gfs2/trans.c:118 gfs2_write_jdata_pagevec+0x100/0xe20 fs/gfs2/aops.c:220 gfs2_write_cache_jdata+0x46d/0x7b0 fs/gfs2/aops.c:349 gfs2_jdata_writepages+0x81/0x150 fs/gfs2/aops.c:391 do_writepages+0x3c3/0x680 mm/page-writeback.c:2469 filemap_fdatawrite_wbc+0x11e/0x170 mm/filemap.c:388 gfs2_ail1_start_one fs/gfs2/log.c:134 [inline] gfs2_ail1_flush+0xbc3/0xeb0 fs/gfs2/log.c:214 gfs2_ail1_start fs/gfs2/log.c:245 [inline] empty_ail1_list+0x17f/0x260 fs/gfs2/log.c:977 gfs2_log_flush+0x212a/0x26a0 fs/gfs2/log.c:1122 gfs2_kill_sb+0x50/0xd0 fs/gfs2/ops_fstype.c:1732 deactivate_locked_super+0xa7/0xf0 fs/super.c:331 cleanup_mnt+0x494/0x520 fs/namespace.c:1186 task_work_run+0x243/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x124/0x150 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb2/0x140 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x26/0x60 kernel/entry/common.c:296 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f20f208ca17 RSP: 002b:00007fff5b8093a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f20f208ca17 RDX: 00007fff5b80947a RSI: 000000000000000a RDI: 00007fff5b809470 RBP: 00007fff5b809470 R08: 00000000ffffffff R09: 00007fff5b809240 R10: 0000555556a818b3 R11: 0000000000000246 R12: 00007f20f20e5826 R13: 00007fff5b80a530 R14: 0000555556a81810 R15: 00007fff5b80a570 INFO: lockdep is turned off. NMI backtrace for cpu 1 CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 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: 33 Comm: kworker/u4:2 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Workqueue: phy3 ieee80211_iface_work RIP: 0010:__rhashtable_lookup include/linux/rhashtable.h:585 [inline] RIP: 0010:rhltable_lookup+0x113/0x7d0 include/linux/rhashtable.h:688 Code: 08 48 89 df e8 6e 34 2f f8 48 8b 84 24 c0 00 00 00 48 89 44 24 78 48 8d 9c 24 f0 00 00 00 48 89 d8 48 c1 e8 03 48 89 44 24 70 <42> 80 3c 20 00 74 08 48 89 df e8 be 34 2f f8 4c 89 bc 24 f0 00 00 RSP: 0018:ffffc90000aa7700 EFLAGS: 00000a02 RAX: 1ffff92000154efe RBX: ffffc90000aa77f0 RCX: ffff888017f41d40 RDX: 0000000000000000 RSI: ffff88803af3405a RDI: ffff88807c129790 RBP: ffffc90000aa7878 R08: 0030004000060003 R09: fffffbfff1c1b5f6 R10: fffffbfff1c1b5f6 R11: 1ffffffff1c1b5f5 R12: dffffc0000000000 R13: ffff88803af34050 R14: ffff88803af3405a R15: ffff88807c129790 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0007a8000 CR3: 000000000c88e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sta_info_hash_lookup net/mac80211/sta_info.c:195 [inline] sta_info_get+0xe7/0x230 net/mac80211/sta_info.c:207 ieee80211_update_sta_info net/mac80211/ibss.c:1000 [inline] ieee80211_rx_bss_info net/mac80211/ibss.c:1118 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline] ieee80211_ibss_rx_queued_mgmt+0x1104/0x2c00 net/mac80211/ibss.c:1638 ieee80211_iface_process_skb net/mac80211/iface.c:1630 [inline] ieee80211_iface_work+0x773/0xcf0 net/mac80211/iface.c:1684 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