CPU: 1 UID: 0 PID: 5537 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: 1 UID: 0 PID: 5537 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:
 <TASK>
 __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: 0033:0x7f7fd4d9b66d
Code: 05 18 3e 07 00 48 8b 00 ff 40 40 6a 01 5e 48 8b 7c 24 08 e8 be 58 ff ff 48 93 c6 43 10 02 4c 89 7b 08 e8 95 5c ff ff 8a 43 10 <c6> 43 11 00 88 45 00 48 8b 43 08 48 89 45 08 48 8b 84 24 e8 00 00
RSP: 002b:00007ffd14617f60 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 0000557147c2cf00 RCX: 0000000000000000
RDX: 00007ffd1461be02 RSI: 0000557147c2e0d0 RDI: 0000557147c2cf12
RBP: 00007ffd14618118 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000010
R13: 0000000000000000 R14: 0000000000000001 R15: 00007f7fd4e0c240
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..