BUG: stack guard page was hit at ffffc90000c0fff8 (stack is ffffc90000c10000..ffffc90000c17fff) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 411 Comm: syz-executor300 Not tainted 5.10.112-syzkaller-00287-gde64d941a71a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:irqtime_account_irq+0xa/0x270 kernel/sched/cputime.c:54 Code: 55 48 89 e5 c6 05 a5 66 77 05 01 5d c3 0f 1f 00 55 48 89 e5 c6 05 95 66 77 05 00 5d c3 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 <41> 54 53 48 83 ec 10 49 89 fe e8 17 d2 44 03 89 c3 83 f8 08 0f 83 RSP: 0018:ffffc90000c10000 EFLAGS: 00010046 RAX: 1ffff11020cb1700 RBX: ffff88810658bb64 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000025 RDI: ffff88810658bb40 RBP: ffffc90000c10018 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90000c10088 R13: 0000000000000000 R14: ffff88810658bb40 R15: 0000000000000025 FS: 00007fb157563700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90000c0fff8 CR3: 0000000101d96000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: account_irq_enter_time include/linux/vtime.h:109 [inline] irq_enter_rcu+0x76/0xa0 kernel/softirq.c:374 common_interrupt+0x21/0x1e0 arch/x86/kernel/irq.c:239 asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:626 RIP: 0010:__sanitizer_cov_trace_cmp8+0x4/0xa0 kernel/kcov.c:264 Code: 10 48 89 04 39 48 83 ca 18 4c 89 14 11 4c 89 44 f1 20 49 ff c1 4c 89 09 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 <4c> 8b 45 08 65 48 8b 14 25 80 6d 02 00 65 8b 0d 44 ba 95 7e f7 c1 RSP: 0018:ffffc90000c10130 EFLAGS: 00000246 RAX: 1ffff11021522200 RBX: 0000000000000474 RCX: 0000000000000000 RDX: ffff88810658bb40 RSI: 0000000000000474 RDI: 0000000000010000 RBP: ffffc90000c10130 R08: ffffffff81db2168 R09: ffffc90000c10200 R10: fffff52000182045 R11: 1ffff92000182040 R12: 0000000000010000 R13: ffffc90000c10400 R14: 1ffff9200018203c R15: ffff88810b46d000 __ext4_get_inode_loc+0x184/0xd70 fs/ext4/inode.c:4382 ext4_get_inode_loc+0x128/0x1d0 fs/ext4/inode.c:4525 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 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+0x3eb/0x860 fs/incfs/vfs.c:1799 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: 0033:0x7fb1575b39c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 16 00 00 90 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:00007fb1575632f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000000003c RCX: 00007fb1575b39c9 RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000240 RBP: 00007fb157642288 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb157642280 R13: 00007fb15764228c R14: 00007fb1576092a0 R15: 0030656c69662f2e Modules linked in: ---[ end trace a2214f7a7bb1e7bc ]--- RIP: 0010:irqtime_account_irq+0xa/0x270 kernel/sched/cputime.c:54 Code: 55 48 89 e5 c6 05 a5 66 77 05 01 5d c3 0f 1f 00 55 48 89 e5 c6 05 95 66 77 05 00 5d c3 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 <41> 54 53 48 83 ec 10 49 89 fe e8 17 d2 44 03 89 c3 83 f8 08 0f 83 RSP: 0018:ffffc90000c10000 EFLAGS: 00010046 RAX: 1ffff11020cb1700 RBX: ffff88810658bb64 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000025 RDI: ffff88810658bb40 RBP: ffffc90000c10018 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90000c10088 R13: 0000000000000000 R14: ffff88810658bb40 R15: 0000000000000025 FS: 00007fb157563700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90000c0fff8 CR3: 0000000101d96000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 55 push %rbp 1: 48 89 e5 mov %rsp,%rbp 4: c6 05 a5 66 77 05 01 movb $0x1,0x57766a5(%rip) # 0x57766b0 b: 5d pop %rbp c: c3 retq d: 0f 1f 00 nopl (%rax) 10: 55 push %rbp 11: 48 89 e5 mov %rsp,%rbp 14: c6 05 95 66 77 05 00 movb $0x0,0x5776695(%rip) # 0x57766b0 1b: 5d pop %rbp 1c: c3 retq 1d: 0f 1f 00 nopl (%rax) 20: 55 push %rbp 21: 48 89 e5 mov %rsp,%rbp 24: 41 57 push %r15 26: 41 56 push %r14 28: 41 55 push %r13 * 2a: 41 54 push %r12 <-- trapping instruction 2c: 53 push %rbx 2d: 48 83 ec 10 sub $0x10,%rsp 31: 49 89 fe mov %rdi,%r14 34: e8 17 d2 44 03 callq 0x344d250 39: 89 c3 mov %eax,%ebx 3b: 83 f8 08 cmp $0x8,%eax 3e: 0f .byte 0xf 3f: 83 .byte 0x83