rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P11332/1:b..l.. P10150/1:b..l.. P7687/1:b..l.. P11544/1:b..l..
rcu: 	(detected by 1, t=10727 jiffies, g=64293, q=652 ncpus=2)
task:syz.7.1441      state:R  running task     stack:22552 pid:11544 tgid:11544 ppid:10150  task_flags:0xc00640 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x125e/0x6990 kernel/sched/core.c:7382
 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:7662
 irqentry_exit_cond_resched arch/x86/include/asm/fred.h:105 [inline]
 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:453 [inline]
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:543 [inline]
 irqentry_exit+0x33f/0xab0 kernel/entry/common.c:154
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_acquire+0x5e/0x380 kernel/locking/lockdep.c:5947
Code: 05 0f 01 d1 13 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 1e 69 81 10 0f 82 c9 02 00 00 8b 35 fe 98 81 10 85 f6 0f 85 c7 00 00 00 <48> 8b 44 24 30 65 48 2b 05 ad 00 d1 13 0f 85 09 03 00 00 48 83 c4
RSP: 0018:ffffc9000351deb8 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000200
RDX: 0000000000000000 RSI: ffffffff8e601094 RDI: ffffffff8c835380
RBP: ffffffff8ffeb260 R08: 0000000052c91a56 R09: 0000000000000007
R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
 unwind_next_frame+0xd1/0x2090 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 save_stack+0x162/0x1e0 mm/page_owner.c:183
 __set_page_owner+0x8c/0x540 mm/page_owner.c:359
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1856
 prep_new_page mm/page_alloc.c:1864 [inline]
 get_page_from_freelist+0x1113/0x35e0 mm/page_alloc.c:3935
 __alloc_frozen_pages_noprof+0x2bd/0x3280 mm/page_alloc.c:5444
 alloc_pages_mpol+0x201/0x560 mm/mempolicy.c:2511
 folio_alloc_mpol_noprof+0x36/0x260 mm/mempolicy.c:2530
 shmem_alloc_folio+0x135/0x160 mm/shmem.c:2137
 shmem_alloc_and_add_folio+0x371/0xd40 mm/shmem.c:2179
 shmem_get_folio_gfp+0x758/0x1af0 mm/shmem.c:2732
 shmem_fault+0x1fb/0xa30 mm/shmem.c:2926
 __do_fault+0x10b/0x440 mm/memory.c:5634
 do_read_fault mm/memory.c:6069 [inline]
 do_fault+0xb3f/0x1890 mm/memory.c:6203
 do_pte_missing mm/memory.c:4763 [inline]
 handle_pte_fault mm/memory.c:6627 [inline]
 __handle_mm_fault+0x150b/0x2f60 mm/memory.c:6776
 handle_mm_fault+0x363/0xa20 mm/memory.c:6943
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x8a9/0x2c20 mm/gup.c:1428
 __get_user_pages_locked mm/gup.c:1692 [inline]
 get_dump_page+0x27e/0x3d0 mm/gup.c:2207
 dump_user_range+0x19c/0xe90 fs/coredump.c:1595
 elf_core_dump+0x2d97/0x3d60 fs/binfmt_elf.c:2106
 coredump_write+0xd88/0x1c20 fs/coredump.c:1150
 do_coredump.constprop.0+0x9bb/0x25e0 fs/coredump.c:1237
 vfs_coredump+0x9b0/0x1180 fs/coredump.c:1312
 get_signal+0x1fba/0x22e0 kernel/signal.c:3098
 arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:101 [inline]
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
 irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
 irqentry_exit+0x542/0xab0 kernel/entry/common.c:152
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7fedd8654db7
RSP: 002b:00007fedd96a11a0 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 000000000000000b RCX: 00007fedd879fb19
RDX: 00007fedd96a11c0 RSI: 00007fedd96a12f0 RDI: 000000000000000b
RBP: 00007fedd8837b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fedd8a26038 R14: 00007fedd8a25fa0 R15: 00007ffd2b8ef398
 </TASK>
task:syz-executor    state:R  running task     stack:22032 pid:7687  tgid:7687  ppid:7678   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x125e/0x6990 kernel/sched/core.c:7382
 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:7662
 irqentry_exit_cond_resched arch/x86/include/asm/fred.h:105 [inline]
 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:453 [inline]
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:543 [inline]
 irqentry_exit+0x33f/0xab0 kernel/entry/common.c:154
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_acquire+0x5e/0x380 kernel/locking/lockdep.c:5947
Code: 05 0f 01 d1 13 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 1e 69 81 10 0f 82 c9 02 00 00 8b 35 fe 98 81 10 85 f6 0f 85 c7 00 00 00 <48> 8b 44 24 30 65 48 2b 05 ad 00 d1 13 0f 85 09 03 00 00 48 83 c4
RSP: 0018:ffffc900073af240 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000200
RDX: 0000000000000000 RSI: ffffffff8e601094 RDI: ffffffff8c835380
RBP: ffffffff8ffeb260 R08: 0000000023357d26 R09: 0000000000000007
R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
 unwind_next_frame+0xd1/0x2090 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 save_stack+0x162/0x1e0 mm/page_owner.c:183
 __reset_page_owner+0x85/0x230 mm/page_owner.c:338
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1403 [inline]
 free_unref_folios+0xa6a/0x17e0 mm/page_alloc.c:3014
 folios_put_refs+0x585/0xaa0 mm/folio.c:1039
 folio_batch_release include/linux/folio_batch.h:101 [inline]
 shmem_undo_range+0x6e7/0x1440 mm/shmem.c:1371
 shmem_truncate_range mm/shmem.c:1496 [inline]
 shmem_evict_inode+0x3b1/0xc40 mm/shmem.c:1627
 evict+0x3c2/0xad0 fs/inode.c:821
 iput_final fs/inode.c:2025 [inline]
 iput.part.0+0x989/0x1050 fs/inode.c:2074
 iput+0x30/0x40 fs/inode.c:2040
 filename_unlinkat+0x466/0x770 fs/namei.c:5741
 __do_sys_unlink fs/namei.c:5772 [inline]
 __se_sys_unlink fs/namei.c:5769 [inline]
 __x64_sys_unlink+0x46/0x70 fs/namei.c:5769
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fac0a39ec07
RSP: 002b:00007ffca78f80d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fac0a39ec07
RDX: 00007ffca78f8100 RSI: 00007ffca78f8190 RDI: 00007ffca78f8190
RBP: 00007ffca78f8190 R08: 00007ffca78f9190 R09: 00000000ffffffff
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffca78f9220
R13: 00007fac0a436fb3 R14: 00000000000ae85f R15: 00007ffca78f9260
 </TASK>
task:syz-executor    state:R  running task     stack:23768 pid:10150 tgid:10150 ppid:10138  task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x125e/0x6990 kernel/sched/core.c:7382
 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:7662
 irqentry_exit_cond_resched arch/x86/include/asm/fred.h:105 [inline]
 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:453 [inline]
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:543 [inline]
 irqentry_exit+0x33f/0xab0 kernel/entry/common.c:154
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_release+0x19e/0x310 kernel/locking/lockdep.c:5968
Code: ff 65 0f c1 05 9b 43 d1 13 83 f8 01 0f 85 27 01 00 00 9c 58 f6 c4 02 0f 85 12 01 00 00 41 f7 c6 00 02 00 00 0f 85 c8 00 00 00 <48> 8b 44 24 10 65 48 2b 05 dd f9 d0 13 0f 85 4d 01 00 00 48 83 c4
RSP: 0018:ffffc900039ef270 EFLAGS: 00000206
RAX: 0000000000000046 RBX: ffffffff8ffeb260 RCX: ffffc900039ef27c
RDX: 0000000000000000 RSI: ffffffff8e601094 RDI: ffffffff8c835380
RBP: ffffffff81bb3d7e R08: 0000000000000001 R09: 0000000000000007
R10: 0000000000000200 R11: 0000000000016161 R12: ffff88807d738000
R13: ffffc900039ef328 R14: 0000000000000202 R15: 0000000000000002
 rcu_lock_release include/linux/rcupdate.h:319 [inline]
 rcu_read_unlock include/linux/rcupdate.h:880 [inline]
 class_rcu_destructor include/linux/rcupdate.h:1216 [inline]
 unwind_next_frame+0x3c3/0x2090 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 save_stack+0x162/0x1e0 mm/page_owner.c:183
 __reset_page_owner+0x85/0x230 mm/page_owner.c:338
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1403 [inline]
 free_unref_folios+0xa6a/0x17e0 mm/page_alloc.c:3014
 folios_put_refs+0x585/0xaa0 mm/folio.c:1039
 folio_batch_release include/linux/folio_batch.h:101 [inline]
 shmem_undo_range+0x6e7/0x1440 mm/shmem.c:1371
 shmem_truncate_range mm/shmem.c:1496 [inline]
 shmem_evict_inode+0x3b1/0xc40 mm/shmem.c:1627
 evict+0x3c2/0xad0 fs/inode.c:821
 iput_final fs/inode.c:2025 [inline]
 iput.part.0+0x989/0x1050 fs/inode.c:2074
 iput+0x30/0x40 fs/inode.c:2040
 filename_unlinkat+0x466/0x770 fs/namei.c:5741
 __do_sys_unlink fs/namei.c:5772 [inline]
 __se_sys_unlink fs/namei.c:5769 [inline]
 __x64_sys_unlink+0x46/0x70 fs/namei.c:5769
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fedd879ec07
RSP: 002b:00007ffd2b8ee608 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedd879ec07
RDX: 00007ffd2b8ee630 RSI: 00007ffd2b8ee6c0 RDI: 00007ffd2b8ee6c0
RBP: 00007ffd2b8ee6c0 R08: 00007ffd2b8ef6c0 R09: 00000000ffffffff
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffd2b8ef750
R13: 00007fedd8836fb3 R14: 00000000000ae22c R15: 00007ffd2b8ef790
 </TASK>
task:syz.3.1381      state:R  running task     stack:20376 pid:11332 tgid:11332 ppid:5630   task_flags:0xc00640 flags:0x00080001
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x125e/0x6990 kernel/sched/core.c:7382
 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:7662
 irqentry_exit_cond_resched arch/x86/include/asm/fred.h:105 [inline]
 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:453 [inline]
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:543 [inline]
 irqentry_exit+0x33f/0xab0 kernel/entry/common.c:154
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_acquire+0x5e/0x380 kernel/locking/lockdep.c:5947
Code: 05 0f 01 d1 13 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 1e 69 81 10 0f 82 c9 02 00 00 8b 35 fe 98 81 10 85 f6 0f 85 c7 00 00 00 <48> 8b 44 24 30 65 48 2b 05 ad 00 d1 13 0f 85 09 03 00 00 48 83 c4
RSP: 0018:ffffc90004786d98 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000200
RDX: 0000000000000000 RSI: ffffffff8e601094 RDI: ffffffff8c835380
RBP: ffffffff8ffeb260 R08: 0000000052c91a56 R09: 0000000000000007
R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 count_memcg_events_mm.constprop.0+0x40/0x2a0 include/linux/memcontrol.h:1020
 count_memcg_event_mm include/linux/memcontrol.h:1030 [inline]
 mm_account_fault mm/memory.c:6810 [inline]
 handle_mm_fault+0x7e2/0xa20 mm/memory.c:6969
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x8a9/0x2c20 mm/gup.c:1428
 __get_user_pages_locked mm/gup.c:1692 [inline]
 get_dump_page+0x27e/0x3d0 mm/gup.c:2207
 dump_user_range+0x19c/0xe90 fs/coredump.c:1595
 elf_core_dump+0x2d97/0x3d60 fs/binfmt_elf.c:2106
 coredump_write+0xd88/0x1c20 fs/coredump.c:1150
 do_coredump.constprop.0+0x9bb/0x25e0 fs/coredump.c:1237
 vfs_coredump+0x9b0/0x1180 fs/coredump.c:1312
 get_signal+0x1fba/0x22e0 kernel/signal.c:3098
 arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:101 [inline]
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
 irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
 irqentry_exit+0x542/0xab0 kernel/entry/common.c:152
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7fc89bc54db7
RSP: 002b:00007fc89cc9b1a0 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 000000000000000b RCX: 00007fc89bd9fb19
RDX: 00007fc89cc9b1c0 RSI: 00007fc89cc9b2f0 RDI: 000000000000000b
RBP: 00007fc89be37b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fc89c026038 R14: 00007fc89c025fa0 R15: 00007ffc13c13018
 </TASK>
rcu: rcu_preempt kthread starved for 10737 jiffies! g64293 f0x0 RCU_GP_WAIT_FQS(5) ->state=R ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:26024 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x125e/0x6990 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0xdd/0x2c0 kernel/sched/core.c:7474
 schedule_timeout+0x127/0x280 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1a9/0x930 kernel/rcu/tree.c:2122
 rcu_gp_kthread+0x179/0x260 kernel/rcu/tree.c:2330
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 11589 Comm: syz.5.1450 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
RIP: 0010:check_kcov_mode kernel/kcov.c:181 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x40/0x70 kernel/kcov.c:223
Code: ab 13 48 63 c8 a9 00 01 00 ff 74 1e f6 c4 01 74 44 a9 00 00 00 0f 75 3d f7 c1 00 00 00 f0 75 35 8b 82 44 17 00 00 85 c0 74 2b <8b> 82 18 17 00 00 83 f8 02 75 20 48 8b 8a 20 17 00 00 8b 92 1c 17
RSP: 0018:ffffc90002f663d8 EFLAGS: 00000246
RAX: 8000000000000000 RBX: ffff888073803c10 RCX: 0000000000000000
RDX: ffff888087328000 RSI: ffffffff8266e87c RDI: ffff888073803c20
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000007
R13: ffff88801f6b0000 R14: fffffffffffffffe R15: 0000000000000080
FS:  00007f3ecaff66c0(0000) GS:ffff88812257d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3eccd89140 CR3: 000000002d9cd000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 rcu_read_unlock include/linux/rcupdate.h:878 [inline]
 list_lru_count_one+0x11c/0x320 mm/list_lru.c:318
 list_lru_shrink_count include/linux/list_lru.h:260 [inline]
 count_shadow_nodes+0x7e/0x410 mm/workingset.c:658
 do_shrink_slab+0x83/0x1200 mm/shrinker.c:398
 shrink_slab_memcg mm/shrinker.c:569 [inline]
 shrink_slab+0xa78/0x12d0 mm/shrinker.c:647
 shrink_node_memcgs mm/vmscan.c:6440 [inline]
 shrink_node+0x7c1/0x4410 mm/vmscan.c:6482
 shrink_zones mm/vmscan.c:6701 [inline]
 do_try_to_free_pages+0x2da/0x1500 mm/vmscan.c:6763
 try_to_free_mem_cgroup_pages+0x2bf/0x840 mm/vmscan.c:7044
 try_charge_memcg+0x505/0xf30 mm/memcontrol.c:2773
 charge_memcg+0x1ae/0x210 mm/memcontrol.c:5373
 __mem_cgroup_charge+0x2b/0x1e0 mm/memcontrol.c:5390
 mem_cgroup_charge include/linux/memcontrol.h:682 [inline]
 shmem_alloc_and_add_folio+0x451/0xd40 mm/shmem.c:2189
 shmem_get_folio_gfp+0x758/0x1af0 mm/shmem.c:2732
 shmem_get_folio mm/shmem.c:2831 [inline]
 shmem_write_begin+0x1a4/0x420 mm/shmem.c:3466
 generic_perform_write+0x292/0xa40 mm/filemap.c:4392
 shmem_file_write_iter+0x10e/0x140 mm/shmem.c:3641
 __kernel_write_iter+0x2ac/0x930 fs/read_write.c:621
 dump_write_iter fs/coredump.c:1360 [inline]
 dump_emit_page fs/coredump.c:1533 [inline]
 dump_user_range+0xa0d/0xe90 fs/coredump.c:1601
 elf_core_dump+0x2d97/0x3d60 fs/binfmt_elf.c:2106
 coredump_write+0xd88/0x1c20 fs/coredump.c:1150
 do_coredump.constprop.0+0x9bb/0x25e0 fs/coredump.c:1237
 vfs_coredump+0x9b0/0x1180 fs/coredump.c:1312
 get_signal+0x1fba/0x22e0 kernel/signal.c:3098
 arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:101 [inline]
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
 irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
 irqentry_exit+0x542/0xab0 kernel/entry/common.c:152
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f3eccd9fb21
Code: 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 48 3d 01 f0 ff ff 73 01 <c3> 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
RSP: 002b:fffffffffffffe70 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f3ecd026090 RCX: 00007f3eccd9fb19
RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
RBP: 00007f3ecce37b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f3ecd026128 R14: 00007f3ecd026090 R15: 00007fff82b2b488
 </TASK>