CPU: 0 UID: 0 PID: 5521 Comm: dhcpcd-run-hook Not tainted syzkaller #0 PREEMPT(lazy) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 ===================================================== Disabling lock debugging due to kernel taint Kernel panic - not syncing: kmsan.panic set ... CPU: 0 UID: 0 PID: 5521 Comm: dhcpcd-run-hook Tainted: G B syzkaller #0 PREEMPT(lazy) Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 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+0x7b4/0x1430 kernel/panic.c:650 panic+0x15d/0x160 kernel/panic.c:787 kmsan_report+0x31a/0x320 mm/kmsan/report.c:218 kmsan_internal_check_memory+0x1e8/0x240 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:502 [inline] rseq_update_usr include/linux/rseq_entry.h:536 [inline] rseq_exit_user_update include/linux/rseq_entry.h:644 [inline] __rseq_exit_to_user_mode_restart include/linux/rseq_entry.h:673 [inline] rseq_exit_to_user_mode_restart include/linux/rseq_entry.h:702 [inline] exit_to_user_mode_loop kernel/entry/common.c:100 [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+0x48b/0xa00 kernel/entry/common.c:162 exc_page_fault+0x7e/0xb0 arch/x86/mm/fault.c:1530 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0033:0x7f046704d190 Code: 68 04 00 00 00 e9 90 fe ff ff ff 25 d2 8a 1a 00 68 27 00 00 00 e9 80 fe ff ff ff 25 ca 8a 1a 00 68 26 00 00 00 e9 70 fe ff ff 25 c2 8a 1a 00 68 25 00 00 00 e9 60 fe ff ff ff 25 ba 8a 1a 00 RSP: 002b:00007ffd2a1add28 EFLAGS: 00010206 RAX: 00007ffd2a1ae310 RBX: 00007ffd2a1ae230 RCX: 0000000000000000 RDX: 00007ffd2a1ae2f0 RSI: 0000000000000025 RDI: 00007f04672a586a RBP: 00007ffd2a1ae3e0 R08: 000055a571a59ea2 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000201 R13: 00007ffd2a1ae2f0 R14: 0000000000000001 R15: 00007f04672a586a Kernel Offset: disabled Rebooting in 86400 seconds..