R13: a8d7b5dbf29d588f R14: 9b8908dcbb4f02b4 R15: 107b9d1451766018 ---[ end trace f276fa27e18fe8f9 ]--- list_del corruption. prev->next should be ffff888158eb1090, but was ffff888158eb14d0 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 23437 Comm: syz.4.6518 Tainted: G W 5.10.227-syzkaller-00554-g550d1177dc67 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 4c 89 f6 e8 7c 3a 56 02 0f 0b 48 c7 c7 c0 2f 60 85 4c 89 f6 e8 6b 3a 56 02 0f 0b 48 c7 c7 20 30 60 85 4c 89 f6 e8 5a 3a 56 02 <0f> 0b 48 c7 c7 80 30 60 85 4c 89 f6 e8 49 3a 56 02 0f 0b cc 55 48 RSP: 0018:ffffc90000ce7778 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff888158eb14d0 RCX: 9a512ae96ff27500 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000ce7798 R08: ffffffff81523308 R09: ffffed103ee2a5f8 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888158eb1058 R14: ffff888158eb1090 R15: ffff888158eb13c0 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe5368b0000 CR3: 0000000126409000 CR4: 00000000003526a0 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:526 [inline] __dentry_kill+0x250/0x650 fs/dcache.c:579 dentry_kill+0xc0/0x2a0 dput+0x40/0x80 fs/dcache.c:883 incfs_free_mount_info+0x60/0x210 fs/incfs/data_mgmt.c:166 incfs_kill_sb+0x1c2/0x220 fs/incfs/vfs.c:1979 deactivate_locked_super+0xad/0x110 fs/super.c:335 deactivate_super+0xbe/0xf0 fs/super.c:366 cleanup_mnt+0x45c/0x510 fs/namespace.c:1118 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125 task_work_run+0x129/0x190 kernel/task_work.c:189 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xc83/0x2a50 kernel/exit.c:863 do_group_exit+0x141/0x310 kernel/exit.c:985 get_signal+0x10a0/0x1410 kernel/signal.c:2793 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805 handle_signal_work kernel/entry/common.c:145 [inline] exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline] syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 00fb:0x294e66b3c7c44cb4 Code: Unable to access opcode bytes at RIP 0x294e66b3c7c44c8a. RSP: 08b7:0000000000000000 EFLAGS: 00000b12 ORIG_RAX: ce3d5c200518e753 RAX: 6d02b596a6d6b2c6 RBX: 46b00e13ac8c17fa RCX: 1d6d567492f1521e RDX: eb30e365dd53f3a0 RSI: c553273f825e1cf7 RDI: b331ef28487276fd RBP: 9c8c87e20081ee76 R08: cf9d780a350b4549 R09: c7e58b697db8ef3d R10: d68d02d45a22dc24 R11: 19b4d49ef33da9ed R12: 39cb75b6fa6cb3d1 R13: a8d7b5dbf29d588f R14: 9b8908dcbb4f02b4 R15: 107b9d1451766018 Modules linked in: ---[ end trace f276fa27e18fe8fa ]--- RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 4c 89 f6 e8 7c 3a 56 02 0f 0b 48 c7 c7 c0 2f 60 85 4c 89 f6 e8 6b 3a 56 02 0f 0b 48 c7 c7 20 30 60 85 4c 89 f6 e8 5a 3a 56 02 <0f> 0b 48 c7 c7 80 30 60 85 4c 89 f6 e8 49 3a 56 02 0f 0b cc 55 48 RSP: 0018:ffffc90000ce7778 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff888158eb14d0 RCX: 9a512ae96ff27500 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000ce7798 R08: ffffffff81523308 R09: ffffed103ee2a5f8 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888158eb1058 R14: ffff888158eb1090 R15: ffff888158eb13c0 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe5368b0000 CR3: 0000000126409000 CR4: 00000000003526a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400