INFO: task syz-executor.4:13944 blocked for more than 143 seconds. Not tainted 6.5.0-syzkaller-11075-g92901222f83d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:25840 pid:13944 ppid:5074 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x1873/0x48f0 kernel/sched/core.c:6695 schedule+0xc3/0x180 kernel/sched/core.c:6771 io_schedule+0x8c/0x100 kernel/sched/core.c:9026 folio_wait_bit_common+0x871/0x12a0 mm/filemap.c:1304 folio_lock include/linux/pagemap.h:1042 [inline] write_cache_pages+0x517/0x13f0 mm/page-writeback.c:2441 iomap_writepages+0x68/0x240 fs/iomap/buffered-io.c:1979 gfs2_writepages+0x169/0x1f0 fs/gfs2/aops.c:191 do_writepages+0x3a6/0x670 mm/page-writeback.c:2553 filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:393 __filemap_fdatawrite_range mm/filemap.c:426 [inline] __filemap_fdatawrite mm/filemap.c:432 [inline] filemap_fdatawrite+0x143/0x1b0 mm/filemap.c:437 gfs2_ordered_write fs/gfs2/log.c:740 [inline] gfs2_log_flush+0xa42/0x25f0 fs/gfs2/log.c:1098 gfs2_trans_end+0x39f/0x560 fs/gfs2/trans.c:158 gfs2_page_mkwrite+0x1262/0x14f0 fs/gfs2/file.c:533 do_page_mkwrite+0x197/0x470 mm/memory.c:2931 do_shared_fault mm/memory.c:4647 [inline] do_fault mm/memory.c:4709 [inline] do_pte_missing mm/memory.c:3669 [inline] handle_pte_fault mm/memory.c:4978 [inline] __handle_mm_fault mm/memory.c:5119 [inline] handle_mm_fault+0x22b2/0x6200 mm/memory.c:5284 do_user_addr_fault arch/x86/mm/fault.c:1413 [inline] handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x2ac/0x860 arch/x86/mm/fault.c:1561 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7f4ce482b331 RSP: 002b:00007fffcbafb520 EFLAGS: 00010246 RAX: 0000000020000180 RBX: 0000000000000004 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000555556c89360 RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000081bdc2a7 R11: 0000000000000246 R12: 00007f4ce44131c0 R13: fffffffffffffffe R14: 00007f4ce4400000 R15: 00007f4ce44131c8 INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-11075-g92901222f83d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x310 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xdf5/0xe40 kernel/hung_task.c:379 kthread+0x2b8/0x350 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3446 Comm: kworker/1:3 Not tainted 6.5.0-syzkaller-11075-g92901222f83d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 Workqueue: events cfg80211_wiphy_work RIP: 0010:ieee80211_sta_get_rates+0x3d7/0x720 net/mac80211/util.c:2301 Code: 38 84 c0 0f 85 fe 00 00 00 0f b7 1b 83 7c 24 2c 1f 0f 87 29 01 00 00 e8 57 79 3e f7 4d 89 e5 03 5c 24 44 89 d8 99 f7 7c 24 78 <89> c3 89 c7 8b 6c 24 48 89 ee e8 ba 7a 3e f7 39 eb 75 62 bf 40 00 RSP: 0018:ffffc900038d77e0 EFLAGS: 00000206 RAX: 000000000000003c RBX: 000000000000003c RCX: ffff8880236ebb80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8a4f142b R09: 1ffffffff1d346c5 R10: dffffc0000000000 R11: fffffbfff1d346c6 R12: ffff888035d43470 R13: ffff888035d43470 R14: 0000000000000004 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c123000 CR3: 000000002e1c4000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_update_sta_info net/mac80211/ibss.c:1007 [inline] ieee80211_rx_bss_info net/mac80211/ibss.c:1122 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1613 [inline] ieee80211_ibss_rx_queued_mgmt+0x10e9/0x2ca0 net/mac80211/ibss.c:1642 ieee80211_iface_process_skb net/mac80211/iface.c:1604 [inline] ieee80211_iface_work+0x7bd/0xcf0 net/mac80211/iface.c:1658 cfg80211_wiphy_work+0x21e/0x250 net/wireless/core.c:435 process_one_work+0x781/0x1130 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0xabf/0x1060 kernel/workqueue.c:2784 kthread+0x2b8/0x350 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304