CPU: 1 UID: 0 PID: 5542 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: 5542 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: 0033:0x7f19d3923b10
Code: 8b 7f 08 e8 12 ee fc ff 48 8b 7b 10 e8 09 ee fc ff 48 89 df e8 01 ee fc ff 48 95 5a 5b 5d c3 48 85 ff 74 0e 8b 07 ff c8 78 03 <89> 07 c3 e9 e8 ed fc ff c3 8a 47 0c 84 c0 74 28 55 53 52 48 8b 6f
RSP: 002b:00007ffef1bf33c8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000055787f8aee60 RCX: 000055787f8c4fa8
RDX: 00007f19d39a2450 RSI: 0000000000000001 RDI: 000055787f8c3270
RBP: 0000000000000001 R08: 00007ffef1bf33d0 R09: 000055787f8aee60
R10: 00007f19d3878fe0 R11: 00007f19d38798e0 R12: 000055787f8c4ce0
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..