CPU: 0 UID: 0 PID: 5551 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: 5551 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: 0033:0x7f38eca859d0
Code: 88 fe ff 48 85 c0 74 0a 48 83 c4 08 c3 0f 1f 44 00 00 48 8b 15 19 54 0c 00 64 83 3a 22 75 e9 e8 f6 f3 ff ff 66 0f 1f 44 00 00 <55> 48 89 fd 53 89 f3 48 83 ec 08 e8 90 35 f3 ff 8b 45 40 85 c0 75
RSP: 002b:00007ffcd51c1bc8 EFLAGS: 00010202
RAX: 000055d3011ac910 RBX: 000055d3011c1e80 RCX: 000055d65c2bdc00
RDX: 00007f38ecc1b460 RSI: 0000000000000001 RDI: 00007ffcd51c24c0
RBP: 0000000000000000 R08: 0000000000000020 R09: 0000000000000000
R10: 00007f38ecaf1fe0 R11: 00007f38ecaf28e0 R12: 000055d3011ac910
R13: 000055d3011acc30 R14: 0000000000000002 R15: 0000000000000000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..