INFO: task jbd2/sda1-8:5159 blocked for more than 143 seconds. Tainted: G U L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jbd2/sda1-8 state:D stack:27080 pid:5159 tgid:5159 ppid:2 task_flags:0x240040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 io_schedule+0x8a/0xf0 kernel/sched/core.c:7831 bit_wait_io+0xd/0xe0 kernel/sched/wait_bit.c:250 __wait_on_bit+0x65/0x180 kernel/sched/wait_bit.c:52 out_of_line_wait_on_bit+0xdc/0x110 kernel/sched/wait_bit.c:67 wait_on_bit_io include/linux/wait_bit.h:105 [inline] __wait_on_buffer+0x64/0x70 fs/buffer.c:124 wait_on_buffer include/linux/buffer_head.h:420 [inline] jbd2_journal_commit_transaction+0x38e4/0x6900 fs/jbd2/commit.c:808 kjournald2+0x200/0x760 fs/jbd2/journal.c:201 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 INFO: task syz-executor:5815 blocked for more than 143 seconds. Tainted: G U L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:22704 pid:5815 tgid:5815 ppid:5814 task_flags:0x440100 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 io_schedule+0x8a/0xf0 kernel/sched/core.c:7831 bit_wait_io+0xd/0xe0 kernel/sched/wait_bit.c:250 __wait_on_bit+0x65/0x180 kernel/sched/wait_bit.c:52 out_of_line_wait_on_bit+0xdc/0x110 kernel/sched/wait_bit.c:67 wait_on_bit_io include/linux/wait_bit.h:105 [inline] do_get_write_access+0x889/0x1210 fs/jbd2/transaction.c:1092 jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1242 __ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:241 ext4_reserve_inode_write+0x1b7/0x330 fs/ext4/inode.c:6238 __ext4_mark_inode_dirty+0x18f/0x8b0 fs/ext4/inode.c:6413 ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6450 __mark_inode_dirty+0x1f3/0x1790 fs/fs-writeback.c:2608 generic_update_time fs/inode.c:2198 [inline] file_update_time_flags+0x46b/0x500 fs/inode.c:2428 ext4_page_mkwrite+0x35b/0x1980 fs/ext4/inode.c:6616 do_page_mkwrite+0x17a/0x440 mm/memory.c:3589 do_shared_fault mm/memory.c:5874 [inline] do_fault+0x3d7/0x1950 mm/memory.c:5936 do_pte_missing mm/memory.c:4477 [inline] handle_pte_fault mm/memory.c:6316 [inline] __handle_mm_fault+0x180f/0x2b60 mm/memory.c:6454 handle_mm_fault+0x36d/0xa20 mm/memory.c:6623 do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1334 handle_page_fault arch/x86/mm/fault.c:1474 [inline] exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0033:0x7fa2f147aca7 RSP: 002b:00007ffea3bbc8d0 EFLAGS: 00010202 RAX: 00007fa2ef7a4000 RBX: 0000555590accb60 RCX: 0000000000000007 RDX: 00000000000026b5 RSI: 0000555590acc938 RDI: 0000000000000080 RBP: 00007ffea3bbcdd0 R08: 000000000000010b R09: 0000555590acc938 R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffea3bbcc10 R13: 00007ffea3bbca00 R14: 585858582e7a7973 R15: 00007ffea3bbc950 INFO: task syz.0.483:8061 blocked for more than 143 seconds. Tainted: G U L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.483 state:D stack:26184 pid:8061 tgid:8061 ppid:5826 task_flags:0x440040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 io_schedule+0x8a/0xf0 kernel/sched/core.c:7831 bit_wait_io+0xd/0xe0 kernel/sched/wait_bit.c:250 __wait_on_bit+0x65/0x180 kernel/sched/wait_bit.c:52 out_of_line_wait_on_bit+0xdc/0x110 kernel/sched/wait_bit.c:67 wait_on_bit_io include/linux/wait_bit.h:105 [inline] do_get_write_access+0x889/0x1210 fs/jbd2/transaction.c:1092 jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1242 __ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:241 ext4_reserve_inode_write+0x1b7/0x330 fs/ext4/inode.c:6238 __ext4_mark_inode_dirty+0x18f/0x8b0 fs/ext4/inode.c:6413 ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6450 __mark_inode_dirty+0x1f3/0x1790 fs/fs-writeback.c:2608 generic_update_time fs/inode.c:2198 [inline] file_update_time_flags+0x46b/0x500 fs/inode.c:2428 ext4_page_mkwrite+0x35b/0x1980 fs/ext4/inode.c:6616 do_page_mkwrite+0x17a/0x440 mm/memory.c:3589 do_shared_fault mm/memory.c:5874 [inline] do_fault+0x3d7/0x1950 mm/memory.c:5936 do_pte_missing mm/memory.c:4477 [inline] handle_pte_fault mm/memory.c:6316 [inline] __handle_mm_fault+0x180f/0x2b60 mm/memory.c:6454 handle_mm_fault+0x36d/0xa20 mm/memory.c:6623 do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1334 handle_page_fault arch/x86/mm/fault.c:1474 [inline] exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0033:0x7f3053070dc0 RSP: 002b:00007ffd22b666d0 EFLAGS: 00010202 RAX: 0000001b30fff000 RBX: ffffffff84a69ac3 RCX: 0000001b30ffeff8 RDX: 0000001b30a24220 RSI: 0000000000000008 RDI: 00007f3053f45720 RBP: 0000000000000158 R08: 00007f3053400000 R09: 00007f3053402000 R10: 0000000084a69ac7 R11: 0000000000000018 R12: 00007f3053416128 R13: 000000000000017d R14: ffffffff84a69082 R15: 00007f3053f45720 INFO: task syz.2.487:8086 blocked for more than 144 seconds. Tainted: G U L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.487 state:D stack:28040 pid:8086 tgid:8086 ppid:5838 task_flags:0x440040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 io_schedule+0x8a/0xf0 kernel/sched/core.c:7831 bit_wait_io+0xd/0xe0 kernel/sched/wait_bit.c:250 __wait_on_bit+0x65/0x180 kernel/sched/wait_bit.c:52 out_of_line_wait_on_bit+0xdc/0x110 kernel/sched/wait_bit.c:67 wait_on_bit_io include/linux/wait_bit.h:105 [inline] do_get_write_access+0x889/0x1210 fs/jbd2/transaction.c:1092 jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1242 __ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:241 ext4_reserve_inode_write+0x1b7/0x330 fs/ext4/inode.c:6238 __ext4_mark_inode_dirty+0x18f/0x8b0 fs/ext4/inode.c:6413 ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6450 __mark_inode_dirty+0x1f3/0x1790 fs/fs-writeback.c:2608 generic_update_time fs/inode.c:2198 [inline] file_update_time_flags+0x46b/0x500 fs/inode.c:2428 ext4_page_mkwrite+0x35b/0x1980 fs/ext4/inode.c:6616 do_page_mkwrite+0x17a/0x440 mm/memory.c:3589 do_shared_fault mm/memory.c:5874 [inline] do_fault+0x3d7/0x1950 mm/memory.c:5936 do_pte_missing mm/memory.c:4477 [inline] handle_pte_fault mm/memory.c:6316 [inline] __handle_mm_fault+0x180f/0x2b60 mm/memory.c:6454 handle_mm_fault+0x36d/0xa20 mm/memory.c:6623 do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1334 handle_page_fault arch/x86/mm/fault.c:1474 [inline] exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0033:0x7fe360270dc0 RSP: 002b:00007ffd8ed094d0 EFLAGS: 00010202 RAX: 0000001b31024000 RBX: ffffffff81cddd0b RCX: 0000001b31023ff8 RDX: 00000000003ffde8 RSI: 00000000003ffde8 RDI: 00007fe361145700 RBP: 0000000000000001 R08: 0000000000000000 R09: 00007fe360602000 R10: 00007fe361145700 R11: 0000000000000000 R12: 00007fe360616038 R13: 0000000000000000 R14: ffffffff81cdd461 R15: 00007fe361145720 INFO: task syz.1.488:8089 blocked for more than 144 seconds. Tainted: G U L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.488 state:D stack:27800 pid:8089 tgid:8089 ppid:5832 task_flags:0x440040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 io_schedule+0x8a/0xf0 kernel/sched/core.c:7831 bit_wait_io+0xd/0xe0 kernel/sched/wait_bit.c:250 __wait_on_bit+0x65/0x180 kernel/sched/wait_bit.c:52 out_of_line_wait_on_bit+0xdc/0x110 kernel/sched/wait_bit.c:67 wait_on_bit_io include/linux/wait_bit.h:105 [inline] do_get_write_access+0x889/0x1210 fs/jbd2/transaction.c:1092 jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1242 __ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:241 ext4_reserve_inode_write+0x1b7/0x330 fs/ext4/inode.c:6238 __ext4_mark_inode_dirty+0x18f/0x8b0 fs/ext4/inode.c:6413 ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6450 __mark_inode_dirty+0x1f3/0x1790 fs/fs-writeback.c:2608 generic_update_time fs/inode.c:2198 [inline] touch_atime+0x642/0x7a0 fs/inode.c:2273 file_accessed include/linux/fs.h:2263 [inline] ext4_file_mmap_prepare+0x54b/0x680 fs/ext4/file.c:824 vfs_mmap_prepare include/linux/fs.h:2075 [inline] call_mmap_prepare mm/vma.c:2644 [inline] __mmap_region+0xf2a/0x29e0 mm/vma.c:2743 mmap_region+0x30a/0x3e0 mm/vma.c:2837 do_mmap+0xc63/0x12f0 mm/mmap.c:559 vm_mmap_pgoff+0x29e/0x470 mm/util.c:581 ksys_mmap_pgoff+0x3c8/0x650 mm/mmap.c:605 __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+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7facaef9c392 RSP: 002b:00007ffd9ef95758 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000001b30b64000 RCX: 00007facaef9c392 RDX: 0000000000000003 RSI: 00000000005c0000 RDI: 0000001b30b64000 RBP: 0000000000100001 R08: 0000000000000004 R09: 0000000000040000 R10: 0000000000100001 R11: 0000000000000206 R12: 0000000000000083 R13: 00000000000927c0 R14: 0000000000035a5c R15: 00007ffd9ef95a30 INFO: task syz.3.489:8090 blocked for more than 145 seconds. Tainted: G U L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.489 state:D stack:28440 pid:8090 tgid:8090 ppid:5833 task_flags:0x440040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 io_schedule+0x8a/0xf0 kernel/sched/core.c:7831 bit_wait_io+0xd/0xe0 kernel/sched/wait_bit.c:250 __wait_on_bit+0x65/0x180 kernel/sched/wait_bit.c:52 out_of_line_wait_on_bit+0xdc/0x110 kernel/sched/wait_bit.c:67 wait_on_bit_io include/linux/wait_bit.h:105 [inline] do_get_write_access+0x889/0x1210 fs/jbd2/transaction.c:1092 jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1242 __ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:241 ext4_reserve_inode_write+0x1b7/0x330 fs/ext4/inode.c:6238 __ext4_mark_inode_dirty+0x18f/0x8b0 fs/ext4/inode.c:6413 ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6450 __mark_inode_dirty+0x1f3/0x1790 fs/fs-writeback.c:2608 generic_update_time fs/inode.c:2198 [inline] file_update_time_flags+0x46b/0x500 fs/inode.c:2428 ext4_page_mkwrite+0x35b/0x1980 fs/ext4/inode.c:6616 do_page_mkwrite+0x17a/0x440 mm/memory.c:3589 do_shared_fault mm/memory.c:5874 [inline] do_fault+0x3d7/0x1950 mm/memory.c:5936 do_pte_missing mm/memory.c:4477 [inline] handle_pte_fault mm/memory.c:6316 [inline] __handle_mm_fault+0x180f/0x2b60 mm/memory.c:6454 handle_mm_fault+0x36d/0xa20 mm/memory.c:6623 do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1334 handle_page_fault arch/x86/mm/fault.c:1474 [inline] exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0033:0x7f4b56a6a143 RSP: 002b:00007fff01bb4790 EFLAGS: 00010246 RAX: 000000000003fde8 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000001b30d24000 RSI: 0000000000040000 RDI: 00007f4b56dd9710 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 00007fff01bb4a20 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffffffff8e7e9220 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:312 [inline] #0: ffffffff8e7e9220 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:850 [inline] #0: ffffffff8e7e9220 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 kernel/locking/lockdep.c:6775 3 locks held by syz-executor/5815: #0: ffff88807671fbc8 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x11d/0x590 mm/mmap_lock.c:310 #1: ffff8880339d8518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x17a/0x440 mm/memory.c:3589 #2: ffff888034750950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 fs/jbd2/transaction.c:444 6 locks held by kworker/u10:5/7132: #0: ffff888020ab0148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x1287/0x1920 kernel/workqueue.c:3250 #1: ffffc90005917d08 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x93c/0x1920 kernel/workqueue.c:3251 #2: ffff8880339d80e0 (&type->s_umount_key#34){++++}-{4:4}, at: super_trylock_shared+0x1e/0xf0 fs/super.c:565 #3: ffff8880339feb98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x278/0x600 mm/page-writeback.c:2554 #4: ffff888034750950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 fs/jbd2/transaction.c:444 #5: ffff888076d415a0 (&ei->i_data_sem){++++}-{4:4}, at: ext4_map_blocks+0x45a/0xd30 fs/ext4/inode.c:808 3 locks held by syz.0.483/8061: #0: ffff88802b0fd308 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x11d/0x590 mm/mmap_lock.c:310 #1: ffff8880339d8518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x17a/0x440 mm/memory.c:3589 #2: ffff888034750950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 fs/jbd2/transaction.c:444 3 locks held by syz.2.487/8086: #0: ffff88805823e808 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x11d/0x590 mm/mmap_lock.c:310 #1: ffff8880339d8518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x17a/0x440 mm/memory.c:3589 #2: ffff888034750950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 fs/jbd2/transaction.c:444 3 locks held by syz.1.488/8089: #0: ffff88807d556540 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:554 [inline] #0: ffff88807d556540 (&mm->mmap_lock){++++}-{4:4}, at: vm_mmap_pgoff+0x1f5/0x470 mm/util.c:579 #1: ffff8880339d8420 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2263 [inline] #1: ffff8880339d8420 (sb_writers#4){.+.+}-{0:0}, at: ext4_file_mmap_prepare+0x54b/0x680 fs/ext4/file.c:824 #2: ffff888034750950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 fs/jbd2/transaction.c:444 3 locks held by syz.3.489/8090: #0: ffff88804a589948 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x11d/0x590 mm/mmap_lock.c:310 #1: ffff8880339d8518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x17a/0x440 mm/memory.c:3589 #2: ffff888034750950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 fs/jbd2/transaction.c:444 2 locks held by getty/8091: #0: ffff888033ba30a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900061132f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x1500 drivers/tty/n_tty.c:2211 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Tainted: G U L syzkaller #0 PREEMPT(full) Tainted: [U]=USER, [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 nmi_cpu_backtrace.cold+0x12d/0x151 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x1d7/0x230 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:161 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x141/0x190 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline] watchdog+0xd25/0x1050 kernel/hung_task.c:515 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G U L syzkaller #0 PREEMPT(full) Tainted: [U]=USER, [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:63 Code: c8 85 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d e3 aa 1e 00 fb f4 bc 35 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 RSP: 0018:ffffffff8e407e00 EFLAGS: 00000242 RAX: 0000000000213875 RBX: ffffffff8e4975c0 RCX: ffffffff8b8cdc75 RDX: 0000000000000000 RSI: ffffffff8de7a785 RDI: ffffffff8c1aee20 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1017086795 R10: ffff8880b8433cab R11: 0000000000000000 R12: fffffbfff1c92eb8 R13: 0000000000000000 R14: ffffffff90d98f10 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888124351000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556c6b5f9168 CR3: 000000000e598000 CR4: 00000000003526f0 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:73 [inline] default_idle+0x9/0x10 arch/x86/kernel/process.c:767 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122 cpuidle_idle_call kernel/sched/idle.c:191 [inline] do_idle+0x35b/0x4b0 kernel/sched/idle.c:332 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430 rest_init+0x251/0x260 init/main.c:760 start_kernel+0x47f/0x480 init/main.c:1210 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310 x86_64_start_kernel+0x12b/0x130 arch/x86/kernel/head64.c:291 common_startup_64+0x13e/0x148