RSP: 002b:00007f0098037068 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f00985e3f80 RCX: 00007f00984a5079 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f0098037120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007f00985e3f80 R15: 00007ffe17f368f8 BUG: unable to handle page fault for address: ffffed1800000005 #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: 644 Comm: syz-executor.0 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 RIP: 0010:__rb_insert lib/rbtree.c:115 [inline] RIP: 0010:__rb_insert_augmented+0xa5/0x6f0 lib/rbtree.c:459 Code: d1 35 38 ff 4d 8b 37 41 f6 c6 01 0f 85 20 06 00 00 4c 89 65 c8 4d 8d 66 08 4d 89 e5 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <41> 80 7c 05 00 00 74 08 4c 89 e7 e8 9b 35 38 ff 4d 8b 24 24 4d 39 RSP: 0018:ffffc900016bf8f8 EFLAGS: 00010a06 RAX: dffffc0000000000 RBX: 1ffff110248347a2 RCX: dffffc0000000000 RDX: ffffffff819d0500 RSI: ffff888112971aa8 RDI: ffff888124c44870 RBP: ffffc900016bf948 R08: ffff888124c44887 R09: ffff888124c44878 R10: dffffc0000000000 R11: ffffed1024988911 R12: ffff88c000000028 R13: 1ffff11800000005 R14: ffff88c000000020 R15: ffff8881241a3d10 FS: 00007f00980376c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed1800000005 CR3: 0000000124a4f000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_insert_augmented include/linux/rbtree_augmented.h:50 [inline] vma_interval_tree_insert_after+0x2a6/0x2c0 mm/interval_tree.c:57 dup_mmap kernel/fork.c:635 [inline] dup_mm kernel/fork.c:1533 [inline] copy_mm+0xb34/0x13a0 kernel/fork.c:1585 copy_process+0x1130/0x3230 kernel/fork.c:2355 kernel_clone+0x233/0x960 kernel/fork.c:2744 __do_sys_clone kernel/fork.c:2870 [inline] __se_sys_clone kernel/fork.c:2854 [inline] __x64_sys_clone+0x198/0x210 kernel/fork.c:2854 x64_sys_call+0x41f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:57 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: 0033:0x7f00984a5079 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 d0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0098037068 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f00985e3f80 RCX: 00007f00984a5079 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f0098037120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007f00985e3f80 R15: 00007ffe17f368f8 Modules linked in: CR2: ffffed1800000005 ---[ end trace 807ef4c9d2c5e92f ]--- RIP: 0010:__rb_insert lib/rbtree.c:115 [inline] RIP: 0010:__rb_insert_augmented+0xa5/0x6f0 lib/rbtree.c:459 Code: d1 35 38 ff 4d 8b 37 41 f6 c6 01 0f 85 20 06 00 00 4c 89 65 c8 4d 8d 66 08 4d 89 e5 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <41> 80 7c 05 00 00 74 08 4c 89 e7 e8 9b 35 38 ff 4d 8b 24 24 4d 39 RSP: 0018:ffffc900016bf8f8 EFLAGS: 00010a06 RAX: dffffc0000000000 RBX: 1ffff110248347a2 RCX: dffffc0000000000 RDX: ffffffff819d0500 RSI: ffff888112971aa8 RDI: ffff888124c44870 RBP: ffffc900016bf948 R08: ffff888124c44887 R09: ffff888124c44878 R10: dffffc0000000000 R11: ffffed1024988911 R12: ffff88c000000028 R13: 1ffff11800000005 R14: ffff88c000000020 R15: ffff8881241a3d10 FS: 00007f00980376c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed1800000005 CR3: 0000000124a4f000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 38 ff cmp %bh,%bh 2: 4d 8b 37 mov (%r15),%r14 5: 41 f6 c6 01 test $0x1,%r14b 9: 0f 85 20 06 00 00 jne 0x62f f: 4c 89 65 c8 mov %r12,-0x38(%rbp) 13: 4d 8d 66 08 lea 0x8(%r14),%r12 17: 4d 89 e5 mov %r12,%r13 1a: 49 c1 ed 03 shr $0x3,%r13 1e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 25: fc ff df * 28: 41 80 7c 05 00 00 cmpb $0x0,0x0(%r13,%rax,1) <-- trapping instruction 2e: 74 08 je 0x38 30: 4c 89 e7 mov %r12,%rdi 33: e8 9b 35 38 ff call 0xff3835d3 38: 4d 8b 24 24 mov (%r12),%r12 3c: 4d rex.WRB 3d: 39 .byte 0x39