Oops: general protection fault, probably for non-canonical address 0x1af55c5e8c68959: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 6573 Comm: dhcpcd-run-hook Not tainted 6.14.0-rc5-syzkaller-00234-gb7c90e3e717a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:find_stack lib/stackdepot.c:553 [inline] RIP: 0010:stack_depot_save_flags+0x1b4/0x940 lib/stackdepot.c:618 Code: 00 31 f6 48 89 d5 4c 89 cb e8 f8 ba c7 ff 49 89 d9 8b 5c 24 04 48 89 ea 4c 8b 44 24 08 45 85 e4 75 67 4d 8b 3f 49 39 d7 74 5c <45> 39 77 10 75 f2 45 39 4f 14 75 ec 31 c0 49 8b 0c c0 49 3b 4c c7 RSP: 0018:ffffc900054eecd0 EFLAGS: 00010207 RAX: ffff88823ae00000 RBX: 0000000000000001 RCX: 00000000005418e0 RDX: ffff88823b3418e0 RSI: 0000000000000002 RDI: 00000000622c4360 RBP: 00000000eeae07eb R08: ffffc900054eed80 R09: 0000000000000010 R10: ffffc900054eec10 R11: ffffffff81ad6ae0 R12: dffffc0000000000 R13: 0000000000000010 R14: 00000000b4e5418e R15: 01af55c5e8c68949 FS: 00007ff4f54f5380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff4f56e25e8 CR3: 000000007b130000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: save_stack+0x109/0x1f0 mm/page_owner.c:157 __set_page_owner+0x89/0x530 mm/page_owner.c:320 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 pagetable_alloc_noprof include/linux/mm.h:2900 [inline] __pud_alloc_one_noprof include/asm-generic/pgalloc.h:172 [inline] pud_alloc_one_noprof include/asm-generic/pgalloc.h:193 [inline] __pud_alloc+0x91/0x2b0 mm/memory.c:6441 pud_alloc include/linux/mm.h:2857 [inline] __handle_mm_fault+0x495f/0x70f0 mm/memory.c:5972 handle_mm_fault+0x2c1/0x7e0 mm/memory.c:6212 faultin_page mm/gup.c:1196 [inline] __get_user_pages+0x1a92/0x4140 mm/gup.c:1491 __get_user_pages_locked mm/gup.c:1757 [inline] get_user_pages_remote+0x31e/0xb60 mm/gup.c:2661 get_arg_page+0x126/0x360 fs/exec.c:217 copy_string_kernel+0x176/0x240 fs/exec.c:676 do_execveat_common+0x3fc/0x710 fs/exec.c:1937 do_execve fs/exec.c:2040 [inline] __do_sys_execve fs/exec.c:2116 [inline] __se_sys_execve fs/exec.c:2111 [inline] __x64_sys_execve+0x92/0xb0 fs/exec.c:2111 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff4f562fef7 Code: ba 0f 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 63 d8 fb ff 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 66 90 b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 01 3f 0f 00 f7 d8 64 89 01 48 RSP: 002b:00007fff39bb6468 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 0000562b5c2a8020 RCX: 00007ff4f562fef7 RDX: 0000562b5c2a8048 RSI: 0000562b5c2a8020 RDI: 0000562b5c2a80d0 RBP: 0000562b5c2a80d0 R08: 0000562b5c2a80d9 R09: 00007fff39bb9e6f R10: 0000000000000008 R11: 0000000000000246 R12: 0000562b5c2a8048 R13: 00007ff4f57dd904 R14: 0000562b5c2a8048 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:find_stack lib/stackdepot.c:553 [inline] RIP: 0010:stack_depot_save_flags+0x1b4/0x940 lib/stackdepot.c:618 Code: 00 31 f6 48 89 d5 4c 89 cb e8 f8 ba c7 ff 49 89 d9 8b 5c 24 04 48 89 ea 4c 8b 44 24 08 45 85 e4 75 67 4d 8b 3f 49 39 d7 74 5c <45> 39 77 10 75 f2 45 39 4f 14 75 ec 31 c0 49 8b 0c c0 49 3b 4c c7 RSP: 0018:ffffc900054eecd0 EFLAGS: 00010207 RAX: ffff88823ae00000 RBX: 0000000000000001 RCX: 00000000005418e0 RDX: ffff88823b3418e0 RSI: 0000000000000002 RDI: 00000000622c4360 RBP: 00000000eeae07eb R08: ffffc900054eed80 R09: 0000000000000010 R10: ffffc900054eec10 R11: ffffffff81ad6ae0 R12: dffffc0000000000 R13: 0000000000000010 R14: 00000000b4e5418e R15: 01af55c5e8c68949 FS: 00007ff4f54f5380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff4f56e25e8 CR3: 000000007b130000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 31 add %dh,(%rcx) 2: f6 48 89 d5 testb $0xd5,-0x77(%rax) 6: 4c 89 cb mov %r9,%rbx 9: e8 f8 ba c7 ff call 0xffc7bb06 e: 49 89 d9 mov %rbx,%r9 11: 8b 5c 24 04 mov 0x4(%rsp),%ebx 15: 48 89 ea mov %rbp,%rdx 18: 4c 8b 44 24 08 mov 0x8(%rsp),%r8 1d: 45 85 e4 test %r12d,%r12d 20: 75 67 jne 0x89 22: 4d 8b 3f mov (%r15),%r15 25: 49 39 d7 cmp %rdx,%r15 28: 74 5c je 0x86 * 2a: 45 39 77 10 cmp %r14d,0x10(%r15) <-- trapping instruction 2e: 75 f2 jne 0x22 30: 45 39 4f 14 cmp %r9d,0x14(%r15) 34: 75 ec jne 0x22 36: 31 c0 xor %eax,%eax 38: 49 8b 0c c0 mov (%r8,%rax,8),%rcx 3c: 49 rex.WB 3d: 3b .byte 0x3b 3e: 4c rex.WR 3f: c7 .byte 0xc7