INFO: task syz-executor.2:6469 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.2  state:D stack:25840 pid:6469  ppid:5072   flags:0x00004006
Call Trace:
 <TASK>
 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: 0033:0x7f93e085db6b
RSP: 002b:00007ffc75400688 EFLAGS: 00010202
RAX: 00000000200005c0 RBX: 00007ffc75400798 RCX: 0000000000737562
RDX: 0000000000000006 RSI: 0000000075622f2e RDI: 00000000200005c0
RBP: 0000000000000032 R08: 00007f93e0800000 R09: 00007ffc754700b0
R10: 00007ffc75470080 R11: 0000000000009648 R12: 00007f93e0412a00
R13: fffffffffffffffe R14: 00007f93e0400000 R15: 00007f93e0412a08
 </TASK>
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:
 <TASK>
 __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
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1214 Comm: kworker/u4:6 Not tainted 6.5.0-syzkaller-11075-g92901222f83d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:get_current arch/x86/include/asm/current.h:41 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x60 kernel/kcov.c:206
Code: 00 00 f3 0f 1e fa 53 48 89 fb e8 13 00 00 00 48 8b 3d a4 aa 0c 0d 48 89 de 5b e9 33 14 59 00 0f 1f 00 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0d f0 2a 76 7e 65 8b 15 f1 2a 76 7e f7 c2 00 01 ff 00 74
RSP: 0018:ffffc9000527fbf0 EFLAGS: 00000246
RAX: ffffffff8a979522 RBX: 0000000000000000 RCX: ffff88801fa20000
RDX: ffff88801fa20000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8a979509 R09: 1ffffffff1d346c5
R10: dffffc0000000000 R11: fffffbfff1d346c6 R12: 00000000000002f8
R13: dffffc0000000000 R14: ffff88802f254c80 R15: ffff88814a7cee80
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007b2dd000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 rcu_read_unlock include/linux/rcupdate.h:778 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline]
 batadv_nc_worker+0x1e2/0x5c0 net/batman-adv/network-coding.c:719
 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
 </TASK>