INFO: task syz-executor.3:12451 blocked for more than 143 seconds.
      Not tainted 6.5.0-syzkaller-11275-gdb906f0ca6bb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:25648 pid:12451 ppid:5071   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
 coredump_task_exit+0x349/0x460 kernel/exit.c:436
 do_exit+0x29a/0x2290 kernel/exit.c:823
 do_group_exit+0x206/0x2c0 kernel/exit.c:1024
 get_signal+0x175d/0x1840 kernel/signal.c:2892
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff527c7cae9
RSP: 002b:00007ffc0fa78a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 00007ff527c7cae9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007ff527d9c058
RBP: 0000000000000048 R08: 00007ff527d9c05c R09: 00007ff527d9c12c
R10: 00007ff5278110d8 R11: 0000000000000246 R12: 00007ff527d9bf80
R13: 000000000000003a R14: 0000000000000001 R15: 00007ff527d9c050
 </TASK>
INFO: task syz-executor.3:12458 blocked for more than 143 seconds.
      Not tainted 6.5.0-syzkaller-11275-gdb906f0ca6bb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:29104 pid:12458 ppid:5071   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
 coredump_task_exit+0x349/0x460 kernel/exit.c:436
 do_exit+0x29a/0x2290 kernel/exit.c:823
 do_group_exit+0x206/0x2c0 kernel/exit.c:1024
 get_signal+0x175d/0x1840 kernel/signal.c:2892
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff527c7cae9
RSP: 002b:00007ff5223fe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
RAX: 0000000000000000 RBX: 00007ff527d9c050 RCX: 00007ff527c7cae9
RDX: 0000000000000058 RSI: 0000000020000940 RDI: 0000000000000005
RBP: 00007ff527cc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff527d9c050 R15: 00007ffc0fa789a8
 </TASK>
INFO: task syz-executor.3:12459 blocked for more than 144 seconds.
      Not tainted 6.5.0-syzkaller-11275-gdb906f0ca6bb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:26112 pid:12459 ppid:5071   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
 coredump_task_exit+0x349/0x460 kernel/exit.c:436
 do_exit+0x29a/0x2290 kernel/exit.c:823
 do_group_exit+0x206/0x2c0 kernel/exit.c:1024
 get_signal+0x175d/0x1840 kernel/signal.c:2892
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff527c7cae9
RSP: 002b:00007ff5223dd178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007ff527d9c128 RCX: 00007ff527c7cae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff527d9c128
RBP: 00007ff527d9c120 R08: 00007ff5223dd6c0 R09: 00007ff5223dd6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff527d9c12c
R13: 000000000000000b R14: 00007ffc0fa788c0 R15: 00007ffc0fa789a8
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-11275-gdb906f0ca6bb #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: 14955 Comm: syz-executor.3 Not tainted 6.5.0-syzkaller-11275-gdb906f0ca6bb #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+0x17/0x60 kernel/kcov.c:207
Code: 48 8b 3d 64 ab 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 11 f7 c2 00 01 00 00 74 35 83 b9 04 16 00 00
RSP: 0000:ffffc9000481fcd0 EFLAGS: 00000202
RAX: ffffffff8abdf184 RBX: ffff88807e794200 RCX: ffff888022bf8000
RDX: 0000000080000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8abdf055 R09: ffffffff8abdefa5
R10: 0000000000000003 R11: ffff888022bf8000 R12: 0000000000000000
R13: 00007f49a7dfffff R14: 0000000000000000 R15: ffff888017f60a0c
FS:  00007f49a90526c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f49a01d3000 CR3: 0000000037cef000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 mtree_range_walk+0x584/0x7e0 lib/maple_tree.c:2814
 mas_state_walk lib/maple_tree.c:3696 [inline]
 mas_walk+0x105/0x260 lib/maple_tree.c:4843
 lock_vma_under_rcu+0x207/0x6c0 mm/memory.c:5436
 do_user_addr_fault arch/x86/mm/fault.c:1356 [inline]
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x184/0x860 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7f49a82286e6
Code: f0 72 6e 48 63 cd 48 01 c1 49 39 4f 08 72 4c 8d 4d ff 85 ed 74 33 66 0f 1f 44 00 00 48 39 f0 72 1b 4d 8b 07 49 89 c1 49 29 f1 <47> 0f b6 0c 08 45 84 c9 74 08 45 88 0c 00 49 8b 47 10 48 83 c0 01
RSP: 002b:00007f49a9051520 EFLAGS: 00010206
RAX: 00000000017d4001 RBX: 00007f49a90515c0 RCX: 0000000000000067
RDX: 0000000000000001 RSI: 0000000000000001 RDI: 00007f49a9051660
RBP: 0000000000000102 R08: 00007f499e9ff000 R09: 00000000017d4000
R10: 0000000000000000 R11: 00007f49a90515d0 R12: 0000000000000001
R13: 00007f49a82ea360 R14: 0000000000000000 R15: 00007f49a9051660
 </TASK>