list_del corruption. prev->next should be ffff888028859048, but was ffff888028101048. (prev=ffff88814bab9048) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:62! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 6604 Comm: syz-executor374 Not tainted 6.6.0-syzkaller-14651-gd2f51b3516da #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:__list_del_entry_valid_or_report+0x11f/0x1b0 lib/list_debug.c:62 Code: 83 2e 8b e8 43 98 03 fd 0f 0b 48 89 ca 48 c7 c7 c0 83 2e 8b e8 32 98 03 fd 0f 0b 48 89 c2 48 c7 c7 20 84 2e 8b e8 21 98 03 fd <0f> 0b 48 89 d1 48 c7 c7 a0 84 2e 8b 48 89 c2 e8 0d 98 03 fd 0f 0b RSP: 0018:ffffc900058e7c78 EFLAGS: 00010082 RAX: 000000000000006d RBX: ffff888028858000 RCX: ffffffff816b6ea9 RDX: 0000000000000000 RSI: ffffffff816c0332 RDI: 0000000000000005 RBP: ffff888028600fa0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000001 R11: 0000000000000001 R12: 0000000000000246 R13: ffff888028859048 R14: ffff888028859008 R15: ffff888028859050 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc6e14f6110 CR3: 0000000074edd000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry_valid include/linux/list.h:124 [inline] __list_del_entry include/linux/list.h:215 [inline] list_del include/linux/list.h:229 [inline] ptp_release+0xc4/0x2b0 drivers/ptp/ptp_chardev.c:147 posix_clock_release+0xa4/0x160 kernel/time/posix-clock.c:157 __fput+0x270/0xbb0 fs/file_table.c:394 task_work_run+0x14d/0x240 kernel/task_work.c:180 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xa92/0x2ae0 kernel/exit.c:871 do_group_exit+0xd4/0x2a0 kernel/exit.c:1021 __do_sys_exit_group kernel/exit.c:1032 [inline] __se_sys_exit_group kernel/exit.c:1030 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1030 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fc6e147abf9 Code: Unable to access opcode bytes at 0x7fc6e147abcf. RSP: 002b:00007ffe5507a628 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc6e147abf9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007fc6e14f5290 R08: ffffffffffffffb8 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6e14f5290 R13: 0000000000000000 R14: 00007fc6e14f5d00 R15: 00007fc6e144bda0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0x11f/0x1b0 lib/list_debug.c:62 Code: 83 2e 8b e8 43 98 03 fd 0f 0b 48 89 ca 48 c7 c7 c0 83 2e 8b e8 32 98 03 fd 0f 0b 48 89 c2 48 c7 c7 20 84 2e 8b e8 21 98 03 fd <0f> 0b 48 89 d1 48 c7 c7 a0 84 2e 8b 48 89 c2 e8 0d 98 03 fd 0f 0b RSP: 0018:ffffc900058e7c78 EFLAGS: 00010082 RAX: 000000000000006d RBX: ffff888028858000 RCX: ffffffff816b6ea9 RDX: 0000000000000000 RSI: ffffffff816c0332 RDI: 0000000000000005 RBP: ffff888028600fa0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000001 R11: 0000000000000001 R12: 0000000000000246 R13: ffff888028859048 R14: ffff888028859008 R15: ffff888028859050 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc6e14f6110 CR3: 0000000074edd000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400