PANIC: double fault, error_code: 0x0 ================================================================== CPU: 0 PID: 11146 Comm: syz-executor7 Not tainted 4.18.0-rc3+ #55 BUG: KASAN: stack-out-of-bounds in change_pte_range mm/mprotect.c:72 [inline] BUG: KASAN: stack-out-of-bounds in change_pmd_range mm/mprotect.c:210 [inline] BUG: KASAN: stack-out-of-bounds in change_pud_range mm/mprotect.c:238 [inline] BUG: KASAN: stack-out-of-bounds in change_p4d_range mm/mprotect.c:258 [inline] BUG: KASAN: stack-out-of-bounds in change_protection_range mm/mprotect.c:283 [inline] BUG: KASAN: stack-out-of-bounds in change_protection+0x1d84/0x2160 mm/mprotect.c:304 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Read of size 8 at addr ffff88019e8f9000 by task modprobe/11152 RIP: 0010:__lock_acquire+0x2e/0x5020 kernel/locking/lockdep.c:3294 Code: CPU: 1 PID: 11152 Comm: modprobe Not tainted 4.18.0-rc3+ #55 41 57 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 41 89 Call Trace: cf 41 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 56 41 55 49 89 fd 41 54 45 89 print_address_description+0x6c/0x20b mm/kasan/report.c:256 cc 53 65 4c kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412 8b 34 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 25 40 change_pte_range mm/mprotect.c:72 [inline] change_pmd_range mm/mprotect.c:210 [inline] change_pud_range mm/mprotect.c:238 [inline] change_p4d_range mm/mprotect.c:258 [inline] change_protection_range mm/mprotect.c:283 [inline] change_protection+0x1d84/0x2160 mm/mprotect.c:304 ee 01 00 48 83 e4 f0 48 81 ec 60 03 00 00 48 8b 45 10 <89> 94 24 80 00 00 00 48 ba mprotect_fixup+0x2d2/0x700 mm/mprotect.c:382 00 00 00 00 do_mprotect_pkey+0x5d2/0xa60 mm/mprotect.c:506 00 fc ff __do_sys_mprotect mm/mprotect.c:531 [inline] __se_sys_mprotect mm/mprotect.c:528 [inline] __x64_sys_mprotect+0x78/0xb0 mm/mprotect.c:528 df 48 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 89 84 24 98 RSP: 0018:ffff88019e8f4f00 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 1ffff10033d1ea5d RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88f92620 RBP: ffff88019e8f5290 R08: 0000000000000000 R09: 0000000000000000 entry_SYSCALL_64_after_hwframe+0x49/0xbe R10: ffff88019ebffbe0 R11: ffff8801c4a62efb R12: 0000000000000000 RIP: 0033:0x7f7b31dbe447 R13: ffffffff88f92620 R14: ffff8801c4a62780 R15: 0000000000000002 FS: 0000000001dd5940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 Code: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88019e8f4ef8 CR3: 00000001ae530000 CR4: 00000000001406f0 73 DR0: 0000000020000000 DR1: 00000000200001c0 DR2: 0000000000000000 01 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: c3