R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f62eaef1038 R14: 00007f62eaef0fa0 R15: 00007fff3fa1bee8 ---[ end trace 9682b60d83ee408d ]--- list_del corruption. prev->next should be ffff888111efd6f0, but was ffff888111efdd50 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 1246 Comm: syz.0.247 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026 RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 c6 40 56 02 0f 0b 48 c7 c7 40 86 63 85 48 89 de e8 b5 40 56 02 0f 0b 48 c7 c7 a0 86 63 85 48 89 de e8 a4 40 56 02 <0f> 0b 48 c7 c7 00 87 63 85 48 89 de e8 93 40 56 02 0f 0b 00 55 48 RSP: 0018:ffffc900011c77d8 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff888111efd6f0 RCX: accdadda2271cc00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc900011c77f8 R08: ffff8881f7032f3f R09: 1ffff1103ee065e7 R10: dffffc0000000000 R11: ffffed103ee065e8 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888111efdd50 R15: ffff888128c834d0 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f23026a5540 CR3: 000000013b426000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:132 [inline] dentry_unlist fs/dcache.c:529 [inline] __dentry_kill+0x248/0x660 fs/dcache.c:582 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1 dput+0x47/0x90 fs/dcache.c:893 incfs_free_mount_info+0x60/0x200 fs/incfs/data_mgmt.c:166 incfs_kill_sb+0x1af/0x210 fs/incfs/vfs.c:1997 deactivate_locked_super+0xa0/0x100 fs/super.c:335 deactivate_super+0xaf/0xe0 fs/super.c:366 cleanup_mnt+0x44f/0x500 fs/namespace.c:1149 __cleanup_mnt+0x19/0x20 fs/namespace.c:1156 task_work_run+0x127/0x190 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xb70/0x29a0 kernel/exit.c:890 do_group_exit+0x149/0x310 kernel/exit.c:1004 get_signal+0x64f/0x1430 kernel/signal.c:2908 arch_do_signal_or_restart+0xe2/0x1100 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:178 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f62eac2968e Code: Unable to access opcode bytes at RIP 0x7f62eac29664. RSP: 002b:00007f62e96c1f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 00007f62e96c26c0 RCX: 00007f62eac2968e RDX: 00007f62e96c1fb0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f62eacfee6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f62eaef1038 R14: 00007f62eaef0fa0 R15: 00007fff3fa1bee8 Modules linked in: ---[ end trace 9682b60d83ee408e ]--- RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 c6 40 56 02 0f 0b 48 c7 c7 40 86 63 85 48 89 de e8 b5 40 56 02 0f 0b 48 c7 c7 a0 86 63 85 48 89 de e8 a4 40 56 02 <0f> 0b 48 c7 c7 00 87 63 85 48 89 de e8 93 40 56 02 0f 0b 00 55 48 RSP: 0018:ffffc900011c77d8 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff888111efd6f0 RCX: accdadda2271cc00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc900011c77f8 R08: ffff8881f7032f3f R09: 1ffff1103ee065e7 R10: dffffc0000000000 R11: ffffed103ee065e8 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888111efdd50 R15: ffff888128c834d0 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f23026a5540 CR3: 000000013b426000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400