BUG: unable to handle page fault for address: ffffed180000001e
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23fff2067 P4D 23fff2067 PUD 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2857 Comm: syz-executor Tainted: G W 5.15.189-syzkaller-android13-5.15.189_r00 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__rb_insert lib/rbtree.c:115 [inline]
RIP: 0010:__rb_insert_augmented+0xa9/0x720 lib/rbtree.c:459
Code: 3a ff 49 8b 07 a8 01 0f 85 53 06 00 00 4c 89 65 c8 48 89 45 d0 4c 8d 70 08 4c 89 f3 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 f7 e8 79 c3 3a ff 4d 8b 26 4d 39 fc 74 34
RSP: 0018:ffffc90000a17650 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: 1ffff1180000001e RCX: dffffc0000000000
RDX: ffffffff819af460 RSI: ffff888109331aa8 RDI: ffff88811201d748
RBP: ffffc90000a176b0 R08: dffffc0000000000 R09: ffff88811201d750
R10: ffffed1022403aec R11: 1ffff11022403aea R12: ffff88811c9024f8
R13: 1ffff11024ac2c9f R14: ffff88c0000000f0 R15: ffff8881256164f8
FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed180000001e CR3: 0000000125490000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
<TASK>
rb_insert_augmented include/linux/rbtree_augmented.h:50 [inline]
rb_insert_augmented_cached include/linux/rbtree_augmented.h:60 [inline]
vma_interval_tree_insert+0x317/0x330 mm/interval_tree.c:23
__vma_link_file mm/mmap.c:674 [inline]
vma_link+0x183/0x1e0 mm/mmap.c:700
__mmap_region mm/mmap.c:1861 [inline]
mmap_region+0x12a3/0x1800 mm/mmap.c:2955
do_mmap+0x76c/0xe40 mm/mmap.c:1594
vm_mmap_pgoff+0x1ce/0x410 mm/util.c:555
vm_mmap+0x87/0xb0 mm/util.c:575
elf_map+0x190/0x230 fs/binfmt_elf.c:392
load_elf_binary+0x1082/0x2890 fs/binfmt_elf.c:1141
search_binary_handler fs/exec.c:1755 [inline]
exec_binprm fs/exec.c:1796 [inline]
bprm_execve+0x795/0x1480 fs/exec.c:1865
do_execveat_common+0x923/0xa80 fs/exec.c:1970
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
x64_sys_call+0x919/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:60
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd8c0b072b7
Code: Unable to access opcode bytes at RIP 0x7fd8c0b0728d.
RSP: 002b:00007fd8b8f44df8 EFLAGS: 00000206 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 00007ffc04acaef2 RCX: 00007fd8c0b072b7
RDX: 00007ffc04ac9a40 RSI: 00007ffc04ac9c80 RDI: 00007ffc04acaef2
RBP: 00007fd8b8f44e70 R08: 00007fd8b8f44f20 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000206 R12: 00007ffc04ac9c80
R13: 00007ffc04ac9a40 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Modules linked in:
CR2: ffffed180000001e
---[ end trace f52c87f093f22522 ]---
RIP: 0010:__rb_insert lib/rbtree.c:115 [inline]
RIP: 0010:__rb_insert_augmented+0xa9/0x720 lib/rbtree.c:459
Code: 3a ff 49 8b 07 a8 01 0f 85 53 06 00 00 4c 89 65 c8 48 89 45 d0 4c 8d 70 08 4c 89 f3 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 f7 e8 79 c3 3a ff 4d 8b 26 4d 39 fc 74 34
RSP: 0018:ffffc90000a17650 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: 1ffff1180000001e RCX: dffffc0000000000
RDX: ffffffff819af460 RSI: ffff888109331aa8 RDI: ffff88811201d748
RBP: ffffc90000a176b0 R08: dffffc0000000000 R09: ffff88811201d750
R10: ffffed1022403aec R11: 1ffff11022403aea R12: ffff88811c9024f8
R13: 1ffff11024ac2c9f R14: ffff88c0000000f0 R15: ffff8881256164f8
FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd8c0b0728d CR3: 0000000125490000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
0: 3a ff cmp %bh,%bh
2: 49 8b 07 mov (%r15),%rax
5: a8 01 test $0x1,%al
7: 0f 85 53 06 00 00 jne 0x660
d: 4c 89 65 c8 mov %r12,-0x38(%rbp)
11: 48 89 45 d0 mov %rax,-0x30(%rbp)
15: 4c 8d 70 08 lea 0x8(%rax),%r14
19: 4c 89 f3 mov %r14,%rbx
1c: 48 c1 eb 03 shr $0x3,%rbx
20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
27: fc ff df
* 2a: 80 3c 03 00 cmpb $0x0,(%rbx,%rax,1) <-- trapping instruction
2e: 74 08 je 0x38
30: 4c 89 f7 mov %r14,%rdi
33: e8 79 c3 3a ff call 0xff3ac3b1
38: 4d 8b 26 mov (%r14),%r12
3b: 4d 39 fc cmp %r15,%r12
3e: 74 34 je 0x74