Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4381c1a148 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4381c59c29 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000003735 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4381ce33cc R13: 0000000000000000 R14: 00007ffc20bdd4a0 R15: 00007ffc20bdd588 general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 356 Comm: syz-executor804 Tainted: G W 5.15.131-syzkaller-00653-gea586874d2f9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:rb_set_parent_color include/linux/rbtree_augmented.h:165 [inline] RIP: 0010:____rb_erase_color lib/rbtree.c:255 [inline] RIP: 0010:__rb_erase_color+0x10e/0xa60 lib/rbtree.c:413 Code: 89 ff e8 a5 d6 2b ff 4c 8b 6d d0 4d 89 2f 4c 89 eb 48 83 cb 01 4c 8b 7d c0 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ff e8 74 d6 2b ff 49 89 1f 4c 89 eb 48 c1 RSP: 0018:ffffc90000b276a0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88811cbfe999 RCX: dffffc0000000000 RDX: ffffffff81a4c130 RSI: ffff8881091ae6a0 RDI: ffff88811cbfe998 RBP: ffffc90000b27700 R08: ffffffff81a4a1f0 R09: ffffed1021235cd8 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023bb640b R13: ffff88811cbfe998 R14: ffff88811ddb2058 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4381cafdb8 CR3: 000000011dd2f000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_erase_augmented include/linux/rbtree_augmented.h:305 [inline] rb_erase_augmented_cached include/linux/rbtree_augmented.h:314 [inline] vma_interval_tree_remove+0xb82/0xba0 mm/interval_tree.c:23 __remove_shared_vm_struct mm/mmap.c:158 [inline] unlink_file_vma+0xd9/0xf0 mm/mmap.c:173 free_pgtables+0x13f/0x280 mm/memory.c:486 exit_mmap+0x3e7/0x6f0 mm/mmap.c:3210 __mmput+0x95/0x310 kernel/fork.c:1171 mmput+0x5b/0x170 kernel/fork.c:1194 exit_mm kernel/exit.c:551 [inline] do_exit+0xbb4/0x2b60 kernel/exit.c:862 do_group_exit+0x141/0x310 kernel/exit.c:997 get_signal+0x7a3/0x1630 kernel/signal.c:2891 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:172 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4381c59c29 Code: Unable to access opcode bytes at RIP 0x7f4381c59bff. RSP: 002b:00007f4381c1a178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f4381ce33c8 RCX: 00007f4381c59c29 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4381ce33c8 RBP: 00007f4381ce33c0 R08: 00007f4381c1a6c0 R09: 00007f4381c1a6c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4381ce33cc R13: 0000000000000000 R14: 00007ffc20bdd4a0 R15: 00007ffc20bdd588 Modules linked in: ---[ end trace 2c3ed9dabc30017e ]--- RIP: 0010:rb_set_parent_color include/linux/rbtree_augmented.h:165 [inline] RIP: 0010:____rb_erase_color lib/rbtree.c:255 [inline] RIP: 0010:__rb_erase_color+0x10e/0xa60 lib/rbtree.c:413 Code: 89 ff e8 a5 d6 2b ff 4c 8b 6d d0 4d 89 2f 4c 89 eb 48 83 cb 01 4c 8b 7d c0 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ff e8 74 d6 2b ff 49 89 1f 4c 89 eb 48 c1 RSP: 0018:ffffc90000b276a0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88811cbfe999 RCX: dffffc0000000000 RDX: ffffffff81a4c130 RSI: ffff8881091ae6a0 RDI: ffff88811cbfe998 RBP: ffffc90000b27700 R08: ffffffff81a4a1f0 R09: ffffed1021235cd8 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023bb640b R13: ffff88811cbfe998 R14: ffff88811ddb2058 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4381cafdb8 CR3: 000000010b912000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 28 00 sub %al,(%rax) 2: 00 00 add %al,(%rax) 4: 75 05 jne 0xb 6: 48 83 c4 28 add $0x28,%rsp a: c3 ret b: e8 51 18 00 00 call 0x1861 10: 90 nop 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 c7 c1 b0 ff ff ff mov $0xffffffffffffffb0,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W