rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D
 } 2645 jiffies s: 71681 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):

Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 25083 Comm: syz-executor Not tainted 6.12.0-rc4-syzkaller-00052-gc6d9e43954bf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:io_serial_out+0x8f/0xb0 drivers/tty/serial/8250/8250_port.c:413
Code: 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 1c 66 03 5d 40 44 89 e8 89 da ee <5b> 5d 41 5c 41 5d c3 cc cc cc cc e8 31 f0 0d ff eb a0 e8 ba f0 0d
RSP: 0018:ffffc900001b8398 EFLAGS: 00000002
RAX: 0000000000000020 RBX: 00000000000003f8 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: ffffffff82a08975 RDI: ffffffff93637660
RBP: ffffffff93637620 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000020 R14: ffffffff82a08910 R15: 0000000000000000
FS:  0000555591e74500(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f76243e0870 CR3: 0000000117644000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 serial_out drivers/tty/serial/8250/8250.h:142 [inline]
 serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3322 [inline]
 serial8250_console_write+0xf9e/0x17c0 drivers/tty/serial/8250/8250_port.c:3393
 console_emit_next_record kernel/printk/printk.c:3092 [inline]
 console_flush_all+0x800/0xc60 kernel/printk/printk.c:3180
 __console_flush_and_unlock kernel/printk/printk.c:3239 [inline]
 console_unlock+0xd9/0x210 kernel/printk/printk.c:3279
 vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2407
 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:68
 _printk+0xc8/0x100 kernel/printk/printk.c:2432
 printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
 show_trace_log_lvl+0x1b7/0x3d0 arch/x86/kernel/dumpstack.c:285
 sched_show_task kernel/sched/core.c:7604 [inline]
 sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7579
 show_state_filter+0xee/0x320 kernel/sched/core.c:7649
 k_spec drivers/tty/vt/keyboard.c:667 [inline]
 k_spec+0xed/0x150 drivers/tty/vt/keyboard.c:656
 kbd_keycode drivers/tty/vt/keyboard.c:1522 [inline]
 kbd_event+0xcbd/0x17a0 drivers/tty/vt/keyboard.c:1541
 input_handler_events_default+0x116/0x1b0 drivers/input/input.c:2549
 input_pass_values+0x777/0x8e0 drivers/input/input.c:126
 input_event_dispose drivers/input/input.c:341 [inline]
 input_handle_event+0xf0b/0x14d0 drivers/input/input.c:369
 input_repeat_key+0x251/0x340 drivers/input/input.c:2316
 call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1794
 expire_timers kernel/time/timer.c:1845 [inline]
 __run_timers+0x6e8/0x930 kernel/time/timer.c:2419
 __run_timer_base kernel/time/timer.c:2430 [inline]
 __run_timer_base kernel/time/timer.c:2423 [inline]
 run_timer_base+0x111/0x190 kernel/time/timer.c:2439
 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2449
 handle_softirqs+0x206/0x8d0 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xac/0x110 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire.part.0+0x155/0x380 kernel/locking/lockdep.c:5790
Code: b8 ff ff ff ff 65 0f c1 05 50 1f cf 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7
RSP: 0018:ffffc900116b78f8 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 1ffff920022d6f20 RCX: 0000000000000001
RDX: 0000000000000001 RSI: ffffffff8727f520 RDI: ffffffff8746ebc0
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff1f561b6
R10: ffffffff8fab0db7 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff8903e4c0 R14: 0000000000000000 R15: 0000000000000000
 __fs_reclaim_acquire mm/page_alloc.c:3834 [inline]
 fs_reclaim_acquire+0x102/0x150 mm/page_alloc.c:3848
 might_alloc include/linux/sched/mm.h:318 [inline]
 prepare_alloc_pages.constprop.0+0x152/0x4f0 mm/page_alloc.c:4493
 __alloc_pages_noprof+0x18e/0x2270 mm/page_alloc.c:4722
 alloc_pages_mpol_noprof+0xeb/0x400 mm/mempolicy.c:2265
 vm_area_alloc_pages mm/vmalloc.c:3568 [inline]
 __vmalloc_area_node mm/vmalloc.c:3646 [inline]
 __vmalloc_node_range_noprof+0x724/0x15a0 mm/vmalloc.c:3828
 vmalloc_user_noprof+0x6b/0x90 mm/vmalloc.c:3982
 kcov_ioctl+0x4c/0x730 kernel/kcov.c:716
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x18f/0x220 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff219f8e31b
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:00007ffc07af90c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000040000 RCX: 00007ff219f8e31b
RDX: 0000000000040000 RSI: ffffffff80086301 RDI: 00000000000000e2
RBP: 00007ff21a146888 R08: 00000000000000da R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
 </TASK>
 </TASK>
task:kworker/u8:3    state:R  running task     stack:32568 pid:26104 tgid:26104 ppid:46     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26108 tgid:26108 ppid:15709  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 find_held_lock+0x2d/0x110 kernel/locking/lockdep.c:5315
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:26114 tgid:26114 ppid:25091  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:26117 tgid:26117 ppid:25091  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:26126 tgid:26126 ppid:25091  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f28317b1a90
RSP: 002b:00007ffe83aea298 EFLAGS: 00000246
 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f28318a2860 RCX: 00007f28317b1a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f28318a2860 R08: 0000000000000001 R09: 809d246ad5691d9d
R10: 00007ffe83aea150 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f28318a6658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26133 tgid:26133 ppid:25091  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2b89437a90
RSP: 002b:00007fff80550598 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f2b89528860 RCX: 00007f2b89437a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f2b89528860 R08: 0000000000000001 R09: 0dc4a35165223ecd
R10: 00007fff80550450 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f2b8952c658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26138 tgid:26138 ppid:15709  flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f489f85da90
RSP: 002b:00007ffce62757f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f489f94e860 RCX: 00007f489f85da90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f489f94e860 R08: 0000000000000001 R09: 1f27b588a81544b1
R10: 00007ffce62756b0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f489f952658 R15: 0000000000000001
 </TASK>
task:kworker/u8:1    state:R  running task     stack:32568 pid:26142 tgid:26142 ppid:15709  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26146 tgid:26146 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa47f7eea90
RSP: 002b:00007ffef3d914b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fa47f8df860 RCX: 00007fa47f7eea90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fa47f8df860 R08: 0000000000000001 R09: af1930e701053702
R10: 00007ffef3d91370 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fa47f8e3658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:26152 tgid:26152 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f99dd597a90
RSP: 002b:00007ffdb186a038 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f99dd688860 RCX: 00007f99dd597a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f99dd688860 R08: 0000000000000001 R09: ce2b726acf2bc473
R10: 00007ffdb1869ef0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f99dd68c658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26158 tgid:26158 ppid:25160  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa9a7fa8a90
RSP: 002b:00007ffcde9d7b58 EFLAGS: 00000246
 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fa9a8099860 RCX: 00007fa9a7fa8a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fa9a8099860 R08: 0000000000000001 R09: 7e872244b0d24422
R10: 00007ffcde9d7a10 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fa9a809d658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26165 tgid:26165 ppid:25091  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f016f266a90
RSP: 002b:00007ffca9b73a78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f016f357860 RCX: 00007f016f266a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f016f357860 R08: 0000000000000001 R09: 75a2aa2573229416
R10: 00007ffca9b73930 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f016f35b658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26170 tgid:26170 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa8d7d19a90
RSP: 002b:00007ffe0cae0f38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fa8d7e0a860 RCX: 00007fa8d7d19a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fa8d7e0a860 R08: 0000000000000001 R09: 744f47a0907dd1cc
R10: 00007ffe0cae0df0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fa8d7e0e658 R15: 0000000000000001
 </TASK>
task:kworker/u8:3    state:R  running task     stack:28784 pid:26173 tgid:26173 ppid:46     flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7214
 _cond_resched include/linux/sched.h:2031 [inline]
 stop_one_cpu+0x112/0x190 kernel/stop_machine.c:151
 sched_exec+0x1dc/0x270 kernel/sched/core.c:5459
 bprm_execve fs/exec.c:1838 [inline]
 bprm_execve+0x46c/0x1950 fs/exec.c:1821
 kernel_execve+0x2ef/0x3b0 fs/exec.c:2012
 call_usermodehelper_exec_async+0x255/0x4c0 kernel/umh.c:110
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26184 tgid:26184 ppid:15709  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26189 tgid:26189 ppid:25091  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faafc917a90
RSP: 002b:00007fff9df33438 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007faafca08860 RCX: 00007faafc917a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007faafca08860 R08: 0000000000000001 R09: 4c8f47390c1fe058
R10: 00007fff9df332f0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007faafca0c658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24416 pid:26195 tgid:26195 ppid:25091  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26204 tgid:26204 ppid:25160  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f217bba2a90
RSP: 002b:00007ffcc175a058 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f217bc93860 RCX: 00007f217bba2a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f217bc93860 R08: 0000000000000001 R09: 6e6fb831f0ea069d
R10: 00007ffcc1759f10 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f217bc97658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:26211 tgid:26211 ppid:15709  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26220 tgid:26220 ppid:15709  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe54aeeda90
RSP: 002b:00007fffee87f6b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe54afde860 RCX: 00007fe54aeeda90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fe54afde860 R08: 0000000000000001 R09: 0d1f64e97ab39da1
R10: 00007fffee87f570 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fe54afe2658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26226 tgid:26226 ppid:15709  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26231 tgid:26231 ppid:15709  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:2    state:R  running task     stack:32568 pid:26232 tgid:26232 ppid:25091  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:26242 tgid:26242 ppid:25160  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:26245 tgid:26245 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:26248 tgid:26248 ppid:46     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26254 tgid:26254 ppid:25160  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0f4a0b9a90
RSP: 002b:00007ffdd668a268 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f0f4a1aa860 RCX: 00007f0f4a0b9a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f0f4a1aa860 R08: 0000000000000001 R09: de20cd1729405430
R10: 00007ffdd668a120 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f0f4a1ae658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24000 pid:26259 tgid:26259 ppid:15709  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd8c9172a90
RSP: 002b:00007fff94a6de08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fd8c9263860 RCX: 00007fd8c9172a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fd8c9263860 R08: 0000000000000001 R09: 400866ead778c773
R10: 00007fff94a6dcc0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fd8c9267658 R15: 0000000000000001
 </TASK>
task:kworker/u8:6    state:R  running task     stack:32568 pid:26260 tgid:26260 ppid:25160  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:26267 tgid:26267 ppid:25091  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:26270 tgid:26270 ppid:25091  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbfeff02a90
RSP: 002b:00007ffdaaab67c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fbfefff3860 RCX: 00007fbfeff02a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fbfefff3860 R08: 0000000000000001 R09: 9c2583c97a20e3fa
R10: 00007ffdaaab6680 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fbfefff7658 R15: 0000000000000001
 </TASK>
task:kworker/u8:1    state:R  running task     stack:32568 pid:26274 tgid:26274 ppid:15709  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26278 tgid:26278 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:26281 tgid:26281 ppid:25101  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26292 tgid:26292 ppid:46     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26301 tgid:26301 ppid:25091  flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:26312 tgid:26312 ppid:15709  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5f7d6e7a90
RSP: 002b:00007fff9eb064d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f5f7d7d8860 RCX: 00007f5f7d6e7a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f5f7d7d8860 R08: 0000000000000001 R09: 8f8892ef5b39a20a
R10: 00007fff9eb06390 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f5f7d7dc658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24000 pid:26318 tgid:26318 ppid:15709  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f46d8b6fa90
RSP: 002b:00007fff725536d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f46d8c60860 RCX: 00007f46d8b6fa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f46d8c60860 R08: 0000000000000001 R09: e9f0f1228cf5a4d2
R10: 00007fff72553590 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f46d8c64658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:26323 tgid:26323 ppid:25091  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:kworker/u8:3    state:R  running task     stack:32568 pid:26325 tgid:26325 ppid:46     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:syz-executor    state:R  running task     stack:25424 pid:26326 tgid:26326 ppid:2952   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:26333 tgid:26333 ppid:25101  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fea9147fa90
RSP: 002b:00007ffec5011198 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fea91570860 RCX: 00007fea9147fa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fea91570860 R08: 0000000000000001 R09: 8862451be55fa421
R10: 00007ffec5011050 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fea91574658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26337 tgid:26337 ppid:25101  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f404afc3a90
RSP: 002b:00007ffeb46e68d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f404b0b4860 RCX: 00007f404afc3a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f404b0b4860 R08: 0000000000000001 R09: 757f09c0f33525ea
R10: 00007ffeb46e6790 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f404b0b8658 R15: 0000000000000001
 </TASK>
task:syz-executor    state:D stack:28032 pid:26340 tgid:26340 ppid:26326  flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6782
 schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common+0x3e1/0x600 kernel/sched/completion.c:116
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion_state+0x1c/0x40 kernel/sched/completion.c:264
 call_usermodehelper_exec+0x3c4/0x4d0 kernel/umh.c:442
 call_modprobe kernel/module/kmod.c:103 [inline]
 __request_module+0x3f6/0x6c0 kernel/module/kmod.c:173
 dev_load+0x221/0x240 net/core/dev_ioctl.c:643
 dev_ioctl+0x473/0x10c0 net/core/dev_ioctl.c:709
 sock_do_ioctl+0x19e/0x280 net/socket.c:1241
 sock_ioctl+0x228/0x6c0 net/socket.c:1346
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x18f/0x220 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa08933e31b
RSP: 002b:00007ffd6096e650 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa08933e31b
RDX: 00007ffd6096e6b0 RSI: 0000000000008933 RDI: 0000000000000005
RBP: 00007ffd6096e6b0 R08: 000000000000000c R09: 0000000000000004
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd6096e73c
R13: 00007ffd6096e7c0 R14: 00007ffd6096e7a0 R15: 0000000000000003
 </TASK>
task:kworker/u8:2    state:R  running task     stack:32568 pid:26341 tgid:26341 ppid:25091  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:26355 tgid:26355 ppid:25160  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7214
 _cond_resched include/linux/sched.h:2031 [inline]
 zap_pmd_range mm/memory.c:1742 [inline]
 zap_pud_range mm/memory.c:1768 [inline]
 zap_p4d_range mm/memory.c:1789 [inline]
 unmap_page_range+0x4b8/0x2fa0 mm/memory.c:1810
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class+0x4e/0x130 kernel/locking/lockdep.c:228
 lookup_chain_cache_add kernel/locking/lockdep.c:3816 [inline]
 validate_chain kernel/locking/lockdep.c:3872 [inline]
 __lock_acquire+0x163e/0x3ce0 kernel/locking/lockdep.c:5202
 </TASK>
task:syz-executor    state:R  running task     stack:32592 pid:26357 tgid:26357 ppid:2952   flags:0x00004002
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26366 tgid:26366 ppid:25101  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26367 tgid:26367 ppid:25091  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7115d5ca90
RSP: 002b:00007ffdec2d2ae8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f7115e4d860 RCX: 00007f7115d5ca90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f7115e4d860 R08: 0000000000000001 R09: bf116097afb0bbdc
R10: 00007ffdec2d29a0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f7115e51658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:26144 pid:26375 tgid:26375 ppid:25101  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 </TASK>
task:kworker/u8:6    state:R  running task     stack:32568 pid:26380 tgid:26380 ppid:25160  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:26383 tgid:26383 ppid:25101  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff7acbc9a90
RSP: 002b:00007ffc28b623b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff7accba860 RCX: 00007ff7acbc9a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007ff7accba860 R08: 0000000000000001 R09: 649cc4ccae454746
R10: 00007ffc28b62270 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff7accbe658 R15: 0000000000000001
 </TASK>
task:udevd           state:S stack:28032 pid:26384 tgid:26384 ppid:2860   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6782
 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272
 ep_poll fs/eventpoll.c:2062 [inline]
 do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459
 __do_sys_epoll_wait fs/eventpoll.c:2471 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2466 [inline]
 __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7624310457
RSP: 002b:00007ffdec5fd128 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7624310457
RDX: 0000000000000004 RSI: 00007ffdec5fd168 RDI: 0000000000000004
RBP: 00005608571b08e0 R08: 0000000000000007 R09: 1b2e4e82dc8a267c
R10: 00000000ffffffff R11: 0000000000000246 R12: 00005608571ae890
R13: 00007ffdec5fd168 R14: 00000000ffffffff R15: 00005608571792c0
 </TASK>
task:modprobe        state:R  running task     stack:26144 pid:26385 tgid:26385 ppid:25091  flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:syz-executor    state:R  running task     stack:32592 pid:26393 tgid:26393 ppid:26357  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:26402 tgid:26402 ppid:15709  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f62abf4aa90
RSP: 002b:00007fffde417638 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f62ac03b860 RCX: 00007f62abf4aa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f62ac03b860 R08: 0000000000000001 R09: bd416b83a389668a
R10: 00007fffde4174f0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f62ac03f658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:26408 tgid:26408 ppid:15709  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe7054fea90
RSP: 002b:00007ffdef3660b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe7055ef860 RCX: 00007fe7054fea90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fe7055ef860 R08: 0000000000000001 R09: 9a6fe8bffd310f9a
R10: 00007ffdef365f70 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fe7055f3658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25344 pid:26414 tgid:26414 ppid:15709  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990