CPU: 0 UID: 0 PID: 5225 Comm: dhcpcd Not tainted syzkaller #0 PREEMPT(lazy) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/08/2026 ===================================================== Disabling lock debugging due to kernel taint Kernel panic - not syncing: kmsan.panic set ... CPU: 0 UID: 0 PID: 5225 Comm: dhcpcd Tainted: G B syzkaller #0 PREEMPT(lazy) Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/08/2026 Call Trace: __dump_stack+0x26/0x30 lib/dump_stack.c:94 dump_stack_lvl+0x50/0x1c0 lib/dump_stack.c:120 dump_stack+0x1e/0x25 lib/dump_stack.c:129 vpanic+0x7b8/0x1430 kernel/panic.c:651 panic+0x15d/0x160 kernel/panic.c:788 kmsan_report+0x31a/0x320 mm/kmsan/report.c:218 kmsan_internal_check_memory+0x1e4/0x240 mm/kmsan/core.c:324 kmsan_copy_to_user+0xef/0x190 mm/kmsan/hooks.c:271 rseq_set_ids_get_csaddr include/linux/rseq_entry.h:503 [inline] rseq_update_usr include/linux/rseq_entry.h:537 [inline] rseq_exit_user_update include/linux/rseq_entry.h:646 [inline] __rseq_exit_to_user_mode_restart include/linux/rseq_entry.h:675 [inline] rseq_exit_to_user_mode_restart include/linux/rseq_entry.h:704 [inline] exit_to_user_mode_loop kernel/entry/common.c:103 [inline] __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline] irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline] irqentry_exit+0x4ba/0xa60 kernel/entry/common.c:165 exc_page_fault+0x7e/0xb0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:595 RIP: 0033:0x55778953b1a2 Code: 83 f8 ff 74 6e 83 f8 08 7e 5e 89 c3 83 e8 01 48 98 80 3c 04 00 75 51 8b 44 24 04 8b 3c 24 48 8d 54 24 08 48 8d 35 15 61 03 00 <89> 05 80 ce 04 00 31 c0 e8 31 f7 ff ff c7 05 6f ce 04 00 00 00 00 RSP: 002b:00007ffc1fab71a0 EFLAGS: 00010246 RAX: 0000000000001468 RBX: 0000000000000047 RCX: 0000000000000000 RDX: 00007ffc1fab71a8 RSI: 00005577895712b7 RDI: 0000000000000007 RBP: 00007ffc1fab78b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00005577895885e0 R13: 00005577a8ae5dd0 R14: 0000000000000001 R15: 00007ffc1fab7660 Kernel Offset: disabled Rebooting in 86400 seconds..