===================================================== BUG: KMSAN: kernel-infoleak in rseq_set_ids_get_csaddr include/linux/rseq_entry.h:502 [inline] BUG: KMSAN: kernel-infoleak in rseq_update_usr include/linux/rseq_entry.h:536 [inline] BUG: KMSAN: kernel-infoleak in rseq_exit_user_update include/linux/rseq_entry.h:644 [inline] BUG: KMSAN: kernel-infoleak in __rseq_exit_to_user_mode_restart include/linux/rseq_entry.h:673 [inline] BUG: KMSAN: kernel-infoleak in rseq_exit_to_user_mode_restart include/linux/rseq_entry.h:702 [inline] BUG: KMSAN: kernel-infoleak in exit_to_user_mode_loop kernel/entry/common.c:100 [inline] BUG: KMSAN: kernel-infoleak in __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] BUG: KMSAN: kernel-infoleak in irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline] BUG: KMSAN: kernel-infoleak in irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline] BUG: KMSAN: kernel-infoleak in irqentry_exit+0x48b/0xa00 kernel/entry/common.c:162 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 Local variable end_time.i.i created at: __do_sys_poll fs/select.c:1063 [inline] __se_sys_poll fs/select.c:1060 [inline] __x64_sys_poll+0x87/0x540 fs/select.c:1060 x64_sys_call+0x3130/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:8 Bytes 0-3 of 4 are uninitialized Memory access of size 4 starts at ffff8880b634fe88 Data copied to user address 00007f7ace8f3ac0 CPU: 0 UID: 0 PID: 11993 Comm: dhcpcd-run-hook Tainted: G L syzkaller #0 PREEMPT(lazy) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 =====================================================