rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 1-...!: (1 GPs behind) idle=fa9c/1/0x4000000000000000 softirq=104599/104599 fqs=60 rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P16035/1:b..l P16065/1:b..l P16056/1:b..l rcu: (detected by 0, t=10505 jiffies, g=109249, q=880 ncpus=2) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 16067 Comm: modprobe Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:__raw_callee_save___pv_queued_spin_unlock+0x0/0x18 Code: 5b 41 5a 41 59 41 58 5f 5e 5a 59 e9 4a 41 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 52 b8 01 00 00 00 31 d2 f0 0f b0 17 75 06 5a e9 18 41 RSP: 0018:ffffc90000a08db0 EFLAGS: 00000046 RAX: 0000000000000003 RBX: ffff888026ad62a8 RCX: ffffffff81e56593 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888026ad62a8 RBP: ffff888026ad62b0 R08: 0000000000000000 R09: ffffed1004d5ac55 R10: ffff888026ad62ab R11: 0000000000000000 R12: ffff888026ad62b8 R13: 000002f6c0d375cc R14: ffff888033c29c00 R15: ffff888033c29c00 FS: 0000000000000000(0000) GS:ffff8881241e0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6b0218f000 CR3: 000000002770d000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000000c DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_unlock arch/x86/include/asm/paravirt-spinlock.h:40 [inline] queued_spin_unlock arch/x86/include/asm/paravirt-spinlock.h:72 [inline] do_raw_spin_unlock+0x145/0x1e0 kernel/locking/spinlock_debug.c:142 __raw_spin_unlock include/linux/spinlock_api_smp.h:168 [inline] _raw_spin_unlock+0x1e/0x50 kernel/locking/spinlock.c:190 spin_unlock include/linux/spinlock.h:390 [inline] advance_sched+0x6a2/0xd20 net/sched/sch_taprio.c:988 __run_hrtimer kernel/time/hrtimer.c:2032 [inline] __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2096 hrtimer_interrupt+0x3e5/0x940 kernel/time/hrtimer.c:2215 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1051 [inline] __sysvec_apic_timer_interrupt+0x109/0x470 arch/x86/kernel/apic/apic.c:1068 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0x9e/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:lock_release+0x19e/0x310 kernel/locking/lockdep.c:5893 Code: ff 65 0f c1 05 a3 2f 4f 12 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 ad e8 4e 12 0f 85 4d 01 00 00 48 83 c4 RSP: 0018:ffffc90006137970 EFLAGS: 00000206 RAX: 0000000000000046 RBX: ffff88802e4c0598 RCX: ffffc9000613797c RDX: 0000000000000001 RSI: ffffffff8e137c0e RDI: ffffffff8c3e9b80 RBP: ffffffff82690431 R08: 0000000000000001 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000000 R12: ffff88802c694a80 R13: ffff88802e4c0528 R14: 0000000000000206 R15: 0000000000000002 up_read+0x16/0x20 kernel/locking/rwsem.c:1676 anon_vma_unlock_read mm/internal.h:245 [inline] validate_mm+0x261/0x4e0 mm/vma.c:683 mmap_region+0x38d/0x620 mm/vma.c:2866 do_mmap+0xc63/0x12f0 mm/mmap.c:560 vm_mmap_pgoff+0x29e/0x470 mm/util.c:581 ksys_mmap_pgoff+0x3cb/0x610 mm/mmap.c:606 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6b024b8242 Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 46 40 01 00 16 00 RSP: 002b:00007ffc697f35f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f6b0218c000 RCX: 00007f6b024b8242 RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007f6b0218c000 RBP: 0000000000000812 R08: 0000000000000000 R09: 0000000000006000 R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffc697f36b8 R13: 00007f6b0218f0c0 R14: 00007ffc697f3a30 R15: 00000fff8d2fe6c2 task:syz.6.2618 state:R running task stack:26152 pid:16056 tgid:16056 ppid:10354 task_flags:0x400040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6730 kernel/sched/core.c:7234 preempt_schedule_common+0x42/0xc0 kernel/sched/core.c:7413 preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12 __raw_spin_unlock include/linux/spinlock_api_smp.h:169 [inline] _raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:190 spin_unlock include/linux/spinlock.h:390 [inline] insert_page+0x104/0x220 mm/memory.c:2408 vm_insert_page+0x2c0/0x400 mm/memory.c:2591 kcov_mmap+0xca/0x130 kernel/kcov.c:525 vfs_mmap include/linux/fs.h:2066 [inline] mmap_file mm/internal.h:167 [inline] __mmap_new_file_vma mm/vma.c:2496 [inline] __mmap_new_vma mm/vma.c:2562 [inline] __mmap_region+0x13c7/0x2db0 mm/vma.c:2774 mmap_region+0x527/0x620 mm/vma.c:2860 do_mmap+0xc63/0x12f0 mm/mmap.c:560 vm_mmap_pgoff+0x29e/0x470 mm/util.c:581 ksys_mmap_pgoff+0x3cb/0x610 mm/mmap.c:606 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3753b9dbc2 RSP: 002b:00007ffd6db5dda8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f37519f6000 RCX: 00007f3753b9dbc2 RDX: 0000000000000003 RSI: 0000000000400000 RDI: 00007f37519f6000 RBP: 0000000000000011 R08: 00000000000000db R09: 0000000000000000 R10: 0000000000000011 R11: 0000000000000206 R12: 0000000000000003 R13: 0000000000000003 R14: 0000000000000000 R15: 00007f3753e25fa0 task:syz.6.2618 state:R running task stack:23304 pid:16065 tgid:16056 ppid:10354 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6730 kernel/sched/core.c:7234 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7556 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x205/0xa00 kernel/entry/common.c:167 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:37 [inline] RIP: 0010:slab_want_init_on_free mm/slab.h:716 [inline] RIP: 0010:maybe_wipe_obj_freeptr mm/slub.c:4395 [inline] RIP: 0010:__refill_objects_node+0x430/0xaa0 mm/slub.c:7211 Code: c0 0f 84 3f 02 00 00 8b 84 24 80 00 00 00 48 8b 54 24 38 8b 5c 24 4c 49 89 c4 48 8d 04 c2 eb 24 48 89 30 8b 79 28 4c 8b 0c 3e <0f> 1f 44 00 00 41 83 c4 01 48 83 c0 08 41 83 e8 01 0f 84 fd 01 00 RSP: 0018:ffffc90006187180 EFLAGS: 00000283 RAX: ffff88813fe25098 RBX: 000000000000003c RCX: ffff88813fe02780 RDX: ffff88813fe25020 RSI: ffff88806e668740 RDI: 0000000000000010 RBP: ffffc90006187258 R08: 0000000000000013 R09: ffff88806e668800 R10: 0000000000000000 R11: 0000000800400040 R12: 000000000000000f R13: ffffea0001b99a00 R14: ffff88806e668e00 R15: 000000080040001e refill_objects+0x58/0x410 mm/slub.c:7325 refill_sheaf mm/slub.c:2832 [inline] __pcs_replace_empty_main+0x376/0x680 mm/slub.c:4703 alloc_from_pcs mm/slub.c:4801 [inline] slab_alloc_node mm/slub.c:4933 [inline] __kmalloc_cache_noprof+0x479/0x6c0 mm/slub.c:5511 _kmalloc_noprof include/linux/slab.h:969 [inline] _kzalloc_noprof include/linux/slab.h:1290 [inline] ref_tracker_alloc+0x190/0x590 lib/ref_tracker.c:270 __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_hold include/linux/netdevice.h:4528 [inline] dst_init+0xda/0x5b0 net/core/dst.c:52 dst_alloc+0xbb/0x1a0 net/core/dst.c:94 rt_dst_alloc+0x35/0x3a0 net/ipv4/route.c:1649 __mkroute_output net/ipv4/route.c:2652 [inline] ip_route_output_key_hash_rcu+0x87a/0x2870 net/ipv4/route.c:2872 ip_route_output_key_hash+0x118/0x2b0 net/ipv4/route.c:2702 __ip_route_output_key include/net/route.h:169 [inline] ip_route_output_flow+0x27/0x150 net/ipv4/route.c:2929 udp_sendmsg+0x198a/0x2720 net/ipv4/udp.c:1409 inet_sendmsg+0x105/0x140 net/ipv4/af_inet.c:865 sock_sendmsg_nosec net/socket.c:775 [inline] __sock_sendmsg net/socket.c:790 [inline] ____sys_sendmsg+0x9c9/0xbe0 net/socket.c:2684 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2738 __sys_sendmmsg+0x20c/0x440 net/socket.c:2827 __do_sys_sendmmsg net/socket.c:2854 [inline] __se_sys_sendmmsg net/socket.c:2851 [inline] __x64_sys_sendmmsg+0x9c/0x100 net/socket.c:2851 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3753b9de59 RSP: 002b:00007f3754a54028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f3753e26180 RCX: 00007f3753b9de59 RDX: 000000000800001d RSI: 0000200000007fc0 RDI: 0000000000000007 RBP: 00007f3753c33e6f R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000001c R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3753e26218 R14: 00007f3753e26180 R15: 00007ffd6db5dcf8 task:syz.1.2608 state:R running task stack:23416 pid:16035 tgid:16035 ppid:5607 task_flags:0x400640 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6730 kernel/sched/core.c:7234 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7556 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x205/0xa00 kernel/entry/common.c:167 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:124 [inline] RIP: 0010:lock_acquire kernel/locking/lockdep.c:5844 [inline] RIP: 0010:lock_acquire+0x15d/0x370 kernel/locking/lockdep.c:5825 Code: 0d ec d4 16 0f 85 c9 0f 84 bd 00 00 00 65 8b 05 49 35 4f 12 85 c0 0f 85 ae 00 00 00 65 48 8b 05 81 ee 4e 12 8b 90 9c 0b 00 00 <85> d2 0f 85 98 00 00 00 9c 8f 04 24 fa 48 c7 c7 ea 08 25 8e e8 ba RSP: 0018:ffffc90006cfe480 EFLAGS: 00000246 RAX: ffff88802d1a4a80 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff828481a4 RDI: fffffbfff1d3cc18 RBP: ffffffff8e9e60c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000002160369 R11: 000000000001b2c9 R12: 0000000000000002 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:300 [inline] rcu_read_lock include/linux/rcupdate.h:840 [inline] __update_page_owner_handle+0x74/0x550 mm/page_owner.c:255 __set_page_owner+0x11f/0x540 mm/page_owner.c:342 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859 prep_new_page mm/page_alloc.c:1867 [inline] get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946 __alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304 alloc_pages_mpol+0x1fb/0x540 mm/mempolicy.c:2490 folio_alloc_mpol_noprof+0x36/0x260 mm/mempolicy.c:2509 shmem_alloc_folio+0x135/0x160 mm/shmem.c:1907 shmem_alloc_and_add_folio+0x371/0xd40 mm/shmem.c:1949 shmem_get_folio_gfp+0x6ad/0x1910 mm/shmem.c:2502 shmem_get_folio mm/shmem.c:2608 [inline] shmem_write_begin+0x1a4/0x420 mm/shmem.c:3239 generic_perform_write+0x292/0xa40 mm/filemap.c:4358 shmem_file_write_iter+0x10e/0x140 mm/shmem.c:3414 __kernel_write_iter+0x2ac/0x930 fs/read_write.c:621 dump_emit_page fs/coredump.c:1298 [inline] dump_user_range+0x3f9/0xad0 fs/coredump.c:1372 elf_core_dump+0x2d68/0x3d20 fs/binfmt_elf.c:2109 coredump_write fs/coredump.c:1052 [inline] do_coredump fs/coredump.c:1131 [inline] vfs_coredump+0x294b/0x56f0 fs/coredump.c:1200 get_signal+0x1f2a/0x21e0 kernel/signal.c:3023 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+0x402/0xa00 kernel/entry/common.c:165 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595 RIP: 0033:0x7f23d7f9de61 RSP: 002b:fffffffffffffe70 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007f23d8226090 RCX: 00007f23d7f9de59 RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000 RBP: 00007f23d8033e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007f23d8226128 R14: 00007f23d8226090 R15: 00007ffe3b873e38 rcu: rcu_preempt kthread starved for 10205 jiffies! g109249 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 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:27656 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6730 kernel/sched/core.c:7234 __schedule_loop kernel/sched/core.c:7311 [inline] schedule+0xdd/0x2c0 kernel/sched/core.c:7326 schedule_timeout+0x127/0x280 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x1a9/0x900 kernel/rcu/tree.c:2123 rcu_gp_kthread+0x179/0x230 kernel/rcu/tree.c:2325 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 rcu: Stack dump where RCU GP kthread last ran: CPU: 0 UID: 0 PID: 15756 Comm: udevd Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:__sanitizer_cov_trace_pc+0xb/0x70 kernel/kcov.c:213 Code: 64 00 be 03 00 00 00 5b e9 12 26 f8 02 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 8b 05 05 80 2a 12 <48> 8b 34 24 65 48 8b 15 e1 7f 2a 12 a9 00 01 ff 00 74 1b f6 c4 01 RSP: 0000:ffffc90000006f88 EFLAGS: 00000246 RAX: 0000000000000304 RBX: 0000000000000000 RCX: ffffffff8b2003a1 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807fa90000 RBP: 0000000000000009 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffff88807dea9000 R12: 0000000000000000 R13: ffff8880743820bc R14: dffffc0000000000 R15: ffff8880743820bd FS: 00007f2b0ee6d880(0000) GS:ffff8881240e0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e0af9f2fe8 CR3: 0000000048d9a000 CR4: 00000000003526f0 Call Trace: _ieee802_11_parse_elems_full+0x134e/0x52a0 net/mac80211/parse.c:461 ieee802_11_parse_elems_full+0xc60/0x3dd0 net/mac80211/parse.c:1145 ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2551 [inline] ieee80211_inform_bss+0x159/0x1170 net/mac80211/scan.c:79 rdev_inform_bss net/wireless/rdev-ops.h:418 [inline] cfg80211_inform_single_bss_data+0x898/0x1dc0 net/wireless/scan.c:2379 cfg80211_inform_bss_data+0x230/0x39d0 net/wireless/scan.c:3238 cfg80211_inform_bss_frame_data+0x247/0x760 net/wireless/scan.c:3329 ieee80211_bss_info_update+0x310/0xab0 net/mac80211/scan.c:230 ieee80211_scan_rx+0x4e6/0xb60 net/mac80211/scan.c:364 __ieee80211_rx_handle_packet+0x7da/0xe20 net/mac80211/rx.c:5395 ieee80211_rx_list+0xf19/0x2160 net/mac80211/rx.c:5688 ieee80211_rx_napi+0xdc/0x400 net/mac80211/rx.c:5711 ieee80211_rx include/net/mac80211.h:5437 [inline] ieee80211_handle_queued_frames+0xc8/0x120 net/mac80211/main.c:452 tasklet_action_common+0x2de/0x3d0 kernel/softirq.c:938 handle_softirqs+0x1ea/0x9b0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x162/0x210 kernel/softirq.c:735 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline] RIP: 0010:smp_call_function_many_cond+0x589/0x16c0 kernel/smp.c:892 Code: b8 00 00 00 00 00 fc ff df 48 8b 54 24 08 49 89 d5 49 89 d4 49 c1 ed 03 41 83 e4 07 49 01 c5 41 83 c4 03 e8 b9 95 0c 00 f3 90 <41> 0f b6 45 00 41 38 c4 7c 08 84 c0 0f 85 2c 0f 00 00 8b 45 08 31 RSP: 0000:ffffc900058af888 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81fcea8d RDX: ffff88807fa90000 RSI: ffffffff81fcea67 RDI: ffff88807fa90000 RBP: ffff8880b8541240 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003 R13: ffffed10170a8249 R14: 0000000000000001 R15: ffff8880b843c880 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1057 __flush_tlb_multi arch/x86/include/asm/paravirt.h:46 [inline] flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline] flush_tlb_mm_range+0x45f/0x16f0 arch/x86/mm/tlb.c:1451 flush_tlb_page arch/x86/include/asm/tlbflush.h:345 [inline] ptep_clear_flush+0x148/0x170 mm/pgtable-generic.c:104 wp_page_copy mm/memory.c:3941 [inline] do_wp_page+0x12a4/0x4350 mm/memory.c:4336 handle_pte_fault mm/memory.c:6395 [inline] __handle_mm_fault+0x1ab6/0x2a00 mm/memory.c:6517 handle_mm_fault+0x37b/0xa30 mm/memory.c:6686 do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1343 handle_page_fault arch/x86/mm/fault.c:1483 [inline] exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1536 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595 RIP: 0033:0x7f2b0e6b5db7 Code: 00 00 00 41 55 48 89 d0 49 89 fd 41 54 49 89 f4 53 4c 89 c3 48 83 ec 10 48 39 4f 60 0f 84 c1 00 00 00 42 f6 44 01 08 01 74 59 <48> 83 61 08 fe 48 3d ff 03 00 00 76 69 49 8b 55 70 49 8d 75 60 48 RSP: 002b:00007ffd7330f680 EFLAGS: 00010202 RAX: 0000000000006010 RBX: 00000000000001f0 RCX: 000055e0af9f2fe0 RDX: 0000000000006010 RSI: 000055e0af9ecfd0 RDI: 00007f2b0e7f1ac0 RBP: 00007f2b0e7f1ac0 R08: 00000000000001f0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000055e0af9ecfd0 R13: 00007f2b0e7f1ac0 R14: 00000000000001f0 R15: 00007f2b0e7f1ac0