BUG: stack guard page was hit at ffffc90000b2fff8 (stack is ffffc90000b30000..ffffc90000b37fff) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 365 Comm: syz-executor001 Not tainted 5.10.85-syzkaller-00573-gafc997898ece #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:unwind_start arch/x86/include/asm/unwind.h:60 [inline] RIP: 0010:unwind_start arch/x86/include/asm/unwind.h:60 [inline] arch/x86/kernel/stacktrace.c:24 RIP: 0010:arch_stack_walk+0xd7/0x140 arch/x86/kernel/stacktrace.c:24 arch/x86/kernel/stacktrace.c:24 Code: eb 1b 65 48 8b 04 25 80 6d 02 00 4c 39 e0 74 0a 49 8b 8c 24 98 0e 00 00 eb 03 48 89 e9 48 8d bd 70 ff ff ff 4c 89 e6 4c 89 fa 84 1a 06 00 83 bd 70 ff ff ff 00 74 36 48 8d 9d 70 ff ff ff 0f RSP: 0018:ffffc90000b30000 EFLAGS: 00010246 RAX: ffff8881073a2780 RBX: 1ffff9200016601e RCX: ffffc90000b30090 RDX: 0000000000000000 RSI: ffff8881073a2780 RDI: ffffc90000b30000 RBP: ffffc90000b30090 R08: dffffc0000000000 R09: ffffc90000b300e0 R10: fffff5200016601f R11: 0000000000000000 R12: ffff8881073a2780 R13: ffffffff815bebe0 R14: ffffc90000b300e0 R15: 0000000000000000 FS: 0000555556d1b3c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90000b2fff8 CR3: 00000001073e0000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: stack_trace_save+0x11b/0x1e0 kernel/stacktrace.c:121 kernel/stacktrace.c:121 kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:428 [inline] kasan_save_stack mm/kasan/common.c:38 [inline] mm/kasan/common.c:461 kasan_set_track mm/kasan/common.c:46 [inline] mm/kasan/common.c:461 set_alloc_info mm/kasan/common.c:428 [inline] mm/kasan/common.c:461 __kasan_slab_alloc+0xb2/0xe0 mm/kasan/common.c:461 mm/kasan/common.c:461 kasan_slab_alloc include/linux/kasan.h:259 [inline] slab_post_alloc_hook mm/slab.h:583 [inline] slab_alloc_node mm/slub.c:2948 [inline] slab_alloc mm/slub.c:2956 [inline] kasan_slab_alloc include/linux/kasan.h:259 [inline] mm/slub.c:2961 slab_post_alloc_hook mm/slab.h:583 [inline] mm/slub.c:2961 slab_alloc_node mm/slub.c:2948 [inline] mm/slub.c:2961 slab_alloc mm/slub.c:2956 [inline] mm/slub.c:2961 kmem_cache_alloc+0x1a2/0x380 mm/slub.c:2961 mm/slub.c:2961 __d_alloc+0x2d/0x6b0 fs/dcache.c:1709 fs/dcache.c:1709 d_alloc fs/dcache.c:1788 [inline] d_alloc fs/dcache.c:1788 [inline] fs/dcache.c:2540 d_alloc_parallel+0xf3/0x1360 fs/dcache.c:2540 fs/dcache.c:2540 __lookup_slow+0x14e/0x400 fs/namei.c:1613 fs/namei.c:1613 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_one_len+0x17f/0x2c0 fs/namei.c:2642 fs/namei.c:2642 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211 fs/incfs/data_mgmt.c:211 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967 fs/incfs/vfs.c:967 __lookup_slow+0x2b3/0x400 fs/namei.c:1628 fs/namei.c:1628 lookup_slow fs/namei.c:1645 [inline] lookup_slow fs/namei.c:1645 [inline] fs/namei.c:1940 walk_component+0x516/0x790 fs/namei.c:1940 fs/namei.c:1940 lookup_last fs/namei.c:2389 [inline] lookup_last fs/namei.c:2389 [inline] fs/namei.c:2413 path_lookupat+0x19d/0x6c0 fs/namei.c:2413 fs/namei.c:2413 filename_lookup+0x23f/0x6c0 fs/namei.c:2446 fs/namei.c:2446 user_path_at_empty+0x40/0x50 fs/namei.c:2726 fs/namei.c:2726 user_path_at include/linux/namei.h:59 [inline] user_path_at include/linux/namei.h:59 [inline] fs/open.c:699 do_fchownat+0xed/0x240 fs/open.c:699 fs/open.c:699 __do_sys_lchown fs/open.c:730 [inline] __se_sys_lchown fs/open.c:728 [inline] __do_sys_lchown fs/open.c:730 [inline] fs/open.c:728 __se_sys_lchown fs/open.c:728 [inline] fs/open.c:728 __x64_sys_lchown+0x85/0x90 fs/open.c:728 fs/open.c:728 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f4cdf0e9df9 Code: 28 c3 e8 5a 14 00 00 66 2e 0f 1f 84 00 00 00 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 c4 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd7ba36878 EFLAGS: 00000246 ORIG_RAX: 000000000000005e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4cdf0e9df9 RDX: 00000000ffffffff RSI: 0000000000000000 RDI: 00000000200002c0 RBP: 00007ffd7ba36880 R08: 00007f4cdf0a8360 R09: 00007f4cdf0a8360 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace d4f6ceec398be156 ]--- RIP: 0010:unwind_start arch/x86/include/asm/unwind.h:60 [inline] RIP: 0010:unwind_start arch/x86/include/asm/unwind.h:60 [inline] arch/x86/kernel/stacktrace.c:24 RIP: 0010:arch_stack_walk+0xd7/0x140 arch/x86/kernel/stacktrace.c:24 arch/x86/kernel/stacktrace.c:24 Code: eb 1b 65 48 8b 04 25 80 6d 02 00 4c 39 e0 74 0a 49 8b 8c 24 98 0e 00 00 eb 03 48 89 e9 48 8d bd 70 ff ff ff 4c 89 e6 4c 89 fa 84 1a 06 00 83 bd 70 ff ff ff 00 74 36 48 8d 9d 70 ff ff ff 0f RSP: 0018:ffffc90000b30000 EFLAGS: 00010246 RAX: ffff8881073a2780 RBX: 1ffff9200016601e RCX: ffffc90000b30090 RDX: 0000000000000000 RSI: ffff8881073a2780 RDI: ffffc90000b30000 RBP: ffffc90000b30090 R08: dffffc0000000000 R09: ffffc90000b300e0 R10: fffff5200016601f R11: 0000000000000000 R12: ffff8881073a2780 R13: ffffffff815bebe0 R14: ffffc90000b300e0 R15: 0000000000000000 FS: 0000555556d1b3c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90000b2fff8 CR3: 00000001073e0000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: eb 1b jmp 0x1d 2: 65 48 8b 04 25 80 6d mov %gs:0x26d80,%rax 9: 02 00 b: 4c 39 e0 cmp %r12,%rax e: 74 0a je 0x1a 10: 49 8b 8c 24 98 0e 00 mov 0xe98(%r12),%rcx 17: 00 18: eb 03 jmp 0x1d 1a: 48 89 e9 mov %rbp,%rcx 1d: 48 8d bd 70 ff ff ff lea -0x90(%rbp),%rdi 24: 4c 89 e6 mov %r12,%rsi 27: 4c 89 fa mov %r15,%rdx * 2a: e8 84 1a 06 00 callq 0x61ab3 <-- trapping instruction 2f: 83 bd 70 ff ff ff 00 cmpl $0x0,-0x90(%rbp) 36: 74 36 je 0x6e 38: 48 8d 9d 70 ff ff ff lea -0x90(%rbp),%rbx 3f: 0f .byte 0xf ---------------- Code disassembly (best guess): 0: eb 1b jmp 0x1d 2: 65 48 8b 04 25 80 6d mov %gs:0x26d80,%rax 9: 02 00 b: 4c 39 e0 cmp %r12,%rax e: 74 0a je 0x1a 10: 49 8b 8c 24 98 0e 00 mov 0xe98(%r12),%rcx 17: 00 18: eb 03 jmp 0x1d 1a: 48 89 e9 mov %rbp,%rcx 1d: 48 8d bd 70 ff ff ff lea -0x90(%rbp),%rdi 24: 4c 89 e6 mov %r12,%rsi 27: 4c 89 fa mov %r15,%rdx * 2a: e8 84 1a 06 00 callq 0x61ab3 <-- trapping instruction 2f: 83 bd 70 ff ff ff 00 cmpl $0x0,-0x90(%rbp) 36: 74 36 je 0x6e 38: 48 8d 9d 70 ff ff ff lea -0x90(%rbp),%rbx 3f: 0f .byte 0xf