RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fd377ec31d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffc6425f0ef R14: 00007fd377ec3300 R15: 0000000000022000 WARNING: CPU: 1 PID: 11556 at arch/x86/mm/pat.c:1064 untrack_pfn+0x247/0x290 arch/x86/mm/pat.c:1064 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 11556 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:untrack_pfn+0x247/0x290 arch/x86/mm/pat.c:1064 Code: 84 6c ff ff ff e8 09 55 37 00 4c 89 ee 4c 89 e7 e8 ae da ff ff e8 f9 54 37 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 e9 54 37 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 ca 31 6d 00 e9 98 fe ff ff e8 60 RSP: 0018:ffff8880a2467910 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88805602c988 RCX: ffffc9000687e000 RDX: 0000000000040000 RSI: ffffffff812b3087 RDI: 0000000000000005 RBP: 1ffff1101448cf22 R08: ffff8880a2467878 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 00000000ffffffea R13: 0000000000000000 R14: 0000000000000000 R15: ffff88805602c9d8 unmap_single_vma+0x1bc/0x300 mm/memory.c:1558 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1016 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1037 dup_mm kernel/fork.c:1301 [inline] copy_mm kernel/fork.c:1341 [inline] copy_process.part.0+0x662a/0x8260 kernel/fork.c:1913 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fd37954e199 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd377ec3118 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fd379660f60 RCX: 00007fd37954e199 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fd377ec31d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffc6425f0ef R14: 00007fd377ec3300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..