INFO: task syz-executor.0:27325 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.0  state:D stack:25400 pid:27325 ppid:3613   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0xae9/0x53f0 kernel/sched/core.c:6503
 schedule+0xda/0x1b0 kernel/sched/core.c:6579
 wb_wait_for_completion+0x17e/0x240 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x1d7/0x280 fs/fs-writeback.c:2620
 try_to_writeback_inodes_sb+0x94/0xc0 fs/fs-writeback.c:2668
 ext4_nonda_switch+0x1aa/0x1f0 fs/ext4/inode.c:2950
 ext4_da_write_begin+0x16c/0xb50 fs/ext4/inode.c:2977
 generic_perform_write+0x252/0x570 mm/filemap.c:3753
 ext4_buffered_write_iter+0x15b/0x460 fs/ext4/file.c:285
 ext4_file_write_iter+0x8b8/0x16e0 fs/ext4/file.c:700
 __kernel_write_iter+0x25e/0x730 fs/read_write.c:517
 dump_emit_page fs/coredump.c:857 [inline]
 dump_user_range+0x230/0x700 fs/coredump.c:908
 elf_core_dump+0x26de/0x3510 fs/binfmt_elf.c:2311
 do_coredump+0x26c5/0x3bc0 fs/coredump.c:755
 get_signal+0x1be1/0x2430 kernel/signal.c:2844
 arch_do_signal_or_restart+0x82/0x2300 arch/x86/kernel/signal.c:869
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
 irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:309
 exc_page_fault+0xbc/0x170 arch/x86/mm/fault.c:1578
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x0
RSP: 002b:0000000020000168 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f9c005abf80 RCX: 00007f9c0048b5a9
RDX: 0000000020000180 RSI: 0000000020000160 RDI: 0000000052080000
RBP: 00007f9c004e67b0 R08: 0000000020000400 R09: 0000000020000400
R10: 00000000200001c0 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffc3164f6df R14: 00007f9c012a0300 R15: 0000000000022000
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 27 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:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
 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+0xc71/0xfc0 kernel/hung_task.c:377
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 13490 Comm: kworker/u4:33 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: phy6 ieee80211_iface_work
RIP: 0010:__kmem_cache_alloc_node+0x1e/0x3e0 mm/slub.c:3436
Code: 24 04 0b 04 24 eb d8 e8 f0 bd c5 07 41 57 41 56 41 55 41 89 d5 41 54 41 89 f4 55 48 89 fd 53 48 83 ec 20 44 8b 3d 06 71 19 0c <48> 89 0c 24 4c 89 44 24 08 65 48 8b 04 25 28 00 00 00 48 89 44 24
RSP: 0018:ffffc90013a67810 EFLAGS: 00000282
RAX: ffff888011841dc0 RBX: 0000000000000b20 RCX: 0000000000000260
RDX: 00000000ffffffff RSI: 0000000000000b20 RDI: ffff888011841dc0
RBP: ffff888011841dc0 R08: ffffffff88dc8c94 R09: 0000000000000023
R10: 000000000000004c R11: 0000000000000001 R12: 0000000000000b20
R13: 00000000ffffffff R14: ffffc90013a67bb0 R15: 000000000fffffff
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc05cbeb88 CR3: 000000007f50e000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 __do_kmalloc_node mm/slab_common.c:954 [inline]
 __kmalloc+0x44/0xc0 mm/slab_common.c:968
 kmalloc include/linux/slab.h:581 [inline]
 kzalloc include/linux/slab.h:712 [inline]
 ieee802_11_parse_elems_full+0xc4/0x1310 net/mac80211/util.c:1511
 ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2241 [inline]
 ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2248 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1605 [inline]
 ieee80211_ibss_rx_queued_mgmt+0xdb3/0x3190 net/mac80211/ibss.c:1638
 ieee80211_iface_process_skb net/mac80211/iface.c:1630 [inline]
 ieee80211_iface_work+0xa47/0xd30 net/mac80211/iface.c:1684
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>