BUG: stack guard page was hit at ffffc900020d7ff8 (stack is ffffc900020d8000..ffffc900020dffff) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 750 Comm: syz-executor.0 Not tainted 5.10.109-syzkaller-00693-g414e6c8e941c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:pvclock_clocksource_read+0x6/0x630 arch/x86/kernel/pvclock.c:68 Code: 75 c8 48 8b 7d c0 4c 8b 45 b8 e9 e9 fe ff ff 22 05 97 eb 6b 05 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 ec 78 49 89 fd 49 bc 00 00 00 00 00 fc RSP: 0018:ffffc900020d8000 EFLAGS: 00010006 RAX: 1ffffffff0c58640 RBX: ffffffff85c47688 RCX: dffffc0000000000 RDX: ffff8881f7127380 RSI: 0000000000000001 RDI: ffffffff86c2c000 RBP: ffffc900020d8008 R08: 0000000000000001 R09: ffffffff86c2c018 R10: ffffffff86c2c010 R11: ffffffff86c2c003 R12: dffffc0000000000 R13: 0000000000000001 R14: ffffffff862f5ee0 R15: ffffffff862f5ee0 FS: 00007f09f316c700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900020d7ff8 CR3: 000000010aea8000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_clock_read arch/x86/kernel/kvmclock.c:80 [inline] kvm_sched_clock_read+0x18/0x40 arch/x86/kernel/kvmclock.c:92 paravirt_sched_clock arch/x86/include/asm/paravirt.h:22 [inline] sched_clock+0x3a/0x40 arch/x86/kernel/tsc.c:252 sched_clock_cpu+0x1b/0x3b0 kernel/sched/clock.c:371 cpu_clock include/linux/sched/clock.h:79 [inline] record_times kernel/sched/psi.c:703 [inline] psi_group_change+0xc3/0xdf0 kernel/sched/psi.c:764 psi_task_change+0x1dc/0x390 kernel/sched/psi.c:863 psi_enqueue+0x112/0x190 kernel/sched/stats.h:82 enqueue_task+0xb6/0x210 kernel/sched/core.c:1658 activate_task kernel/sched/core.c:1685 [inline] ttwu_do_activate+0x1ac/0x2c0 kernel/sched/core.c:2712 ttwu_queue kernel/sched/core.c:2911 [inline] try_to_wake_up+0x6de/0xdb0 kernel/sched/core.c:3207 wake_up_process+0x10/0x20 kernel/sched/core.c:3278 swake_up_locked kernel/sched/swait.c:30 [inline] swake_up_one+0x80/0x160 kernel/sched/swait.c:53 __rcu_report_exp_rnp+0x18e/0x190 kernel/rcu/tree_exp.h:201 rcu_report_exp_cpu_mult+0x212/0x2d0 kernel/rcu/tree_exp.h:250 rcu_report_exp_rdp kernel/rcu/tree_exp.h:259 [inline] rcu_preempt_deferred_qs_irqrestore+0x201/0x950 kernel/rcu/tree_plugin.h:478 rcu_preempt_deferred_qs kernel/rcu/tree_plugin.h:580 [inline] rcu_note_context_switch+0x200/0x10c0 kernel/rcu/tree_plugin.h:321 __schedule+0x114/0xc00 kernel/sched/core.c:4690 preempt_schedule_irq+0xce/0x140 kernel/sched/core.c:5051 irqentry_exit_cond_resched kernel/entry/common.c:357 [inline] irqentry_exit+0x50/0x60 kernel/entry/common.c:387 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1095 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:check_kcov_mode kernel/kcov.c:174 [inline] RIP: 0010:write_comp_data kernel/kcov.c:218 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x37/0xa0 kernel/kcov.c:291 Code: 80 6d 02 00 65 8b 0d 54 b3 95 7e f7 c1 00 01 ff 00 74 11 f7 c1 00 01 00 00 74 76 83 ba ac 0a 00 00 00 74 6d 8b 8a 88 0a 00 00 <83> f9 03 75 62 48 8b 8a 90 0a 00 00 44 8b 8a 8c 0a 00 00 49 c1 e1 RSP: 0018:ffffc900020d89b0 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000200 RCX: 0000000000000000 RDX: ffff8881179262c0 RSI: 0000000000000200 RDI: 0000000000000000 RBP: ffffc900020d89b0 R08: ffffffff81bd9a23 R09: ffffc900020d8bc0 R10: fffff5200041b17d R11: 1ffff9200041b178 R12: ffff888108ef4000 R13: 0000000000001000 R14: 0000000000000246 R15: dffffc0000000000 check_irqs_on fs/buffer.c:1251 [inline] lookup_bh_lru fs/buffer.c:1301 [inline] __find_get_block+0xe3/0xbb0 fs/buffer.c:1333 __getblk_gfp+0x2f/0x2a0 fs/buffer.c:1359 sb_getblk include/linux/buffer_head.h:327 [inline] __ext4_get_inode_loc+0x3c2/0xd70 fs/ext4/inode.c:4374 ext4_get_inode_loc+0x128/0x1d0 fs/ext4/inode.c:4500 ext4_xattr_ibody_get+0x10c/0xb20 fs/ext4/xattr.c:587 ext4_xattr_get+0x115/0x810 fs/ext4/xattr.c:651 ext4_xattr_user_get+0xc2/0xf0 fs/ext4/xattr_user.c:28 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 incfs_getxattr fs/incfs/vfs.c:1668 [inline] incfs_handler_getxattr+0xfa/0x2e0 fs/incfs/vfs.c:164 __vfs_getxattr+0x62f/0x700 fs/xattr.c:399 vfs_getxattr+0x54/0x60 fs/xattr.c:406 read_size_attr fs/incfs/vfs.c:293 [inline] fetch_regular_inode+0x155/0x300 fs/incfs/vfs.c:374 dir_lookup+0x673/0x6e0 fs/incfs/vfs.c:1008 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 open_or_create_special_dir+0x49/0x160 fs/incfs/vfs.c:446 incfs_mount_fs+0x460/0x860 fs/incfs/vfs.c:1810 legacy_get_tree+0xf0/0x190 fs/fs_context.c:592 vfs_get_tree+0x88/0x290 fs/super.c:1549 do_new_mount+0x289/0xad0 fs/namespace.c:2899 path_mount+0x58d/0xce0 fs/namespace.c:3229 do_mount fs/namespace.c:3242 [inline] __do_sys_mount fs/namespace.c:3450 [inline] __se_sys_mount+0x2d2/0x3c0 fs/namespace.c:3427 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3427 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f09f3217049 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f09f316c168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f09f332a030 RCX: 00007f09f3217049 RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000240 RBP: 00007f09f327108d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcad0babef R14: 00007f09f316c300 R15: 0000000000022000 Modules linked in: ---[ end trace 93f26b16310d3ee7 ]--- RIP: 0010:pvclock_clocksource_read+0x6/0x630 arch/x86/kernel/pvclock.c:68 Code: 75 c8 48 8b 7d c0 4c 8b 45 b8 e9 e9 fe ff ff 22 05 97 eb 6b 05 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 ec 78 49 89 fd 49 bc 00 00 00 00 00 fc RSP: 0018:ffffc900020d8000 EFLAGS: 00010006 RAX: 1ffffffff0c58640 RBX: ffffffff85c47688 RCX: dffffc0000000000 RDX: ffff8881f7127380 RSI: 0000000000000001 RDI: ffffffff86c2c000 RBP: ffffc900020d8008 R08: 0000000000000001 R09: ffffffff86c2c018 R10: ffffffff86c2c010 R11: ffffffff86c2c003 R12: dffffc0000000000 R13: 0000000000000001 R14: ffffffff862f5ee0 R15: ffffffff862f5ee0 FS: 00007f09f316c700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900020d7ff8 CR3: 000000010aea8000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 75 c8 jne 0xffffffca 2: 48 8b 7d c0 mov -0x40(%rbp),%rdi 6: 4c 8b 45 b8 mov -0x48(%rbp),%r8 a: e9 e9 fe ff ff jmpq 0xfffffef8 f: 22 05 97 eb 6b 05 and 0x56beb97(%rip),%al # 0x56bebac 15: 48 83 c4 20 add $0x20,%rsp 19: 5b pop %rbx 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: 5d pop %rbp 23: c3 retq 24: 55 push %rbp 25: 48 89 e5 mov %rsp,%rbp 28: 41 57 push %r15 * 2a: 41 56 push %r14 <-- trapping instruction 2c: 41 55 push %r13 2e: 41 54 push %r12 30: 53 push %rbx 31: 48 83 ec 78 sub $0x78,%rsp 35: 49 89 fd mov %rdi,%r13 38: 49 rex.WB 39: bc 00 00 00 00 mov $0x0,%esp 3e: 00 fc add %bh,%ah