INFO: task syz-executor.3:13610 blocked for more than 143 seconds.
      Not tainted 6.5.0-syzkaller-12145-g4a0fc73da97e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:24816 pid:13610 ppid:11259  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
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 rwsem_down_write_slowpath+0xedd/0x13a0 kernel/locking/rwsem.c:1178
 __down_write_common+0x1aa/0x200 kernel/locking/rwsem.c:1306
 do_remount fs/namespace.c:2879 [inline]
 path_mount+0xbdd/0xfa0 fs/namespace.c:3654
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f938027cae9
RSP: 002b:00007f9380ff20c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f938039bf80 RCX: 00007f938027cae9
RDX: 0000000000000000 RSI: 0000000020015c00 RDI: 0000000000000000
RBP: 00007f93802c847a R08: 0000000020017cc0 R09: 0000000000000000
R10: 0000000000080024 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f938039bf80 R15: 00007ffdc30b9088
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-12145-g4a0fc73da97e #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: 14449 Comm: syz-executor.0 Not tainted 6.5.0-syzkaller-12145-g4a0fc73da97e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x2e/0x60 kernel/kcov.c:207
Code: 48 8b 04 24 65 48 8b 0d 80 1f 76 7e 65 8b 15 81 1f 76 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 04 16 00 00 00 <74> 2c 8b 91 e0 15 00 00 83 fa 02 75 21 48 8b 91 e8 15 00 00 48 8b
RSP: 0018:ffffc900001f0200 EFLAGS: 00000246
RAX: ffffffff813d8811 RBX: 0000000000000008 RCX: ffff88801d161dc0
RDX: 0000000000000103 RSI: ffffffff8662f3bb RDI: ffffffff8662f3c3
RBP: 1ffff9200003e05c R08: ffffffff813d86a5 R09: ffffc900001f03d0
R10: 0000000000000003 R11: ffff88801d161dc0 R12: ffffffff8ee03558
R13: dffffc0000000000 R14: 1ffff9200003e05c R15: ffffffff8f693eb4
FS:  00007fb0f44b76c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb621468000 CR3: 00000000289e1000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 unwind_next_frame+0x681/0x29e0 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x146/0x1a0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x117/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4f/0x70 mm/kasan/common.c:52
 __kasan_slab_alloc+0x66/0x70 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:186 [inline]
 slab_post_alloc_hook+0x6c/0x3b0 mm/slab.h:762
 slab_alloc_node mm/slub.c:3478 [inline]
 kmem_cache_alloc_node+0x148/0x330 mm/slub.c:3523
 kmalloc_reserve+0x8a/0x240 net/core/skbuff.c:559
 __alloc_skb+0x1b1/0x420 net/core/skbuff.c:644
 skb_copy+0xef/0x760 net/core/skbuff.c:1970
 mac80211_hwsim_tx_frame_no_nl+0x1063/0x18c0 drivers/net/wireless/virtual/mac80211_hwsim.c:1835
 mac80211_hwsim_tx_frame+0x1cc/0x220 drivers/net/wireless/virtual/mac80211_hwsim.c:2171
 mac80211_hwsim_beacon_tx+0x3a5/0x750 drivers/net/wireless/virtual/mac80211_hwsim.c:2264
 __iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:766
 ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 net/mac80211/util.c:802
 mac80211_hwsim_beacon+0xd4/0x1e0 drivers/net/wireless/virtual/mac80211_hwsim.c:2290
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x59f/0xd10 kernel/time/hrtimer.c:1752
 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1769
 __do_softirq+0x2ab/0x908 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu+0xf1/0x1b0 kernel/softirq.c:632
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1074
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:console_trylock_spinning+0x436/0x530
Code: ed 0f 84 48 ff ff ff e8 58 41 1d 00 fb 31 db eb 45 e8 4e 41 1d 00 e8 c9 0c 59 09 4d 85 ed 74 cd e8 3f 41 1d 00 fb f3 0f 1e fa <bb> 01 00 00 00 48 c7 c7 80 80 20 8d 31 f6 ba 01 00 00 00 31 c9 41
RSP: 0018:ffffc900153e6fc0 EFLAGS: 00000283
RAX: ffffffff817057f1 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90003c51000 RSI: 000000000002130c RDI: 000000000002130d
RBP: ffffc900153e7088 R08: ffffffff817057aa R09: 1ffffffff1d34bed
R10: dffffc0000000000 R11: fffffbfff1d34bee R12: 1ffff92002a7cdf8
R13: 0000000000000200 R14: 0000000000000046 R15: dffffc0000000000
 vprintk_emit+0xc1/0x1f0 kernel/printk/printk.c:2308
 _printk+0xd5/0x120 kernel/printk/printk.c:2334
 set_capacity_and_notify+0x21c/0x2b0 block/genhd.c:86
 loop_set_size+0x44/0xa0 drivers/block/loop.c:237
 loop_configure+0xd04/0x1250 drivers/block/loop.c:1100
 lo_ioctl+0x8f5/0x2080
 blkdev_ioctl+0x5cf/0x730 block/ioctl.c:628
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb0f367c84b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007fb0f44b6e40 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb0f367c84b
RDX: 0000000000000003 RSI: 0000000000004c00 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000026b
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 00007fb0f44b6f3c R14: 00007fb0f44b6f40 R15: 00007fb0e9dff000
 </TASK>