===================================================== BUG: KMSAN: uninit-value in __list_del_entry_valid+0x36f/0x410 lib/list_debug.c:54 CPU: 0 PID: 8440 Comm: kworker/0:6 Not tainted 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: 0x0 (events) Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:121 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 __list_del_entry_valid+0x36f/0x410 lib/list_debug.c:54 __list_del_entry include/linux/list.h:132 [inline] list_move_tail include/linux/list.h:227 [inline] move_linked_works kernel/workqueue.c:1066 [inline] worker_thread+0x13a2/0x2340 kernel/workqueue.c:2425 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Local variable ----timer@schedule_timeout created at: schedule_timeout+0x4d/0x530 kernel/time/timer.c:1855 schedule_timeout+0x4d/0x530 kernel/time/timer.c:1855 ===================================================== Kernel panic - not syncing: panic_on_kmsan set ... CPU: 0 PID: 8440 Comm: kworker/0:6 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: 0x0 (events) Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 panic+0x4c6/0xea7 kernel/panic.c:231 kmsan_report+0x1de/0x1e0 mm/kmsan/kmsan_report.c:144 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 __list_del_entry_valid+0x36f/0x410 lib/list_debug.c:54 __list_del_entry include/linux/list.h:132 [inline] list_move_tail include/linux/list.h:227 [inline] move_linked_works kernel/workqueue.c:1066 [inline] worker_thread+0x13a2/0x2340 kernel/workqueue.c:2425 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Kernel Offset: disabled Rebooting in 86400 seconds..